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Commit | Line | Data |
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064af421 | 1 | /* |
d40533fc | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019 Nicira, Inc. |
064af421 | 3 | * |
a14bc59f BP |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
064af421 | 7 | * |
a14bc59f BP |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
064af421 BP |
15 | */ |
16 | ||
17 | #include <config.h> | |
b2befd5b BP |
18 | #include <sys/types.h> |
19 | #include <netinet/in.h> | |
bed69b3e | 20 | #include <arpa/inet.h> |
064af421 | 21 | #include "odp-util.h" |
36956a7d | 22 | #include <errno.h> |
064af421 | 23 | #include <inttypes.h> |
7202cbe5 | 24 | #include <math.h> |
685a51a5 | 25 | #include <netinet/icmp6.h> |
370e373b | 26 | #include <netinet/ip6.h> |
064af421 BP |
27 | #include <stdlib.h> |
28 | #include <string.h> | |
a36de779 | 29 | |
cdee00fd | 30 | #include "byte-order.h" |
064af421 | 31 | #include "coverage.h" |
758c456d | 32 | #include "dpif.h" |
3e8a2ad1 | 33 | #include "openvswitch/dynamic-string.h" |
064af421 | 34 | #include "flow.h" |
cdee00fd | 35 | #include "netlink.h" |
64c96779 | 36 | #include "openvswitch/ofpbuf.h" |
064af421 | 37 | #include "packets.h" |
44bac24b | 38 | #include "simap.h" |
064af421 | 39 | #include "timeval.h" |
9558d2a5 | 40 | #include "tun-metadata.h" |
a36de779 | 41 | #include "unaligned.h" |
064af421 | 42 | #include "util.h" |
10e92b4f | 43 | #include "uuid.h" |
e6211adc | 44 | #include "openvswitch/vlog.h" |
8b668ee3 | 45 | #include "openvswitch/match.h" |
dbf4a928 | 46 | #include "odp-netlink-macros.h" |
285de6b2 | 47 | #include "csum.h" |
34118cae BP |
48 | |
49 | VLOG_DEFINE_THIS_MODULE(odp_util); | |
064af421 | 50 | |
df2c07f4 JP |
51 | /* The interface between userspace and kernel uses an "OVS_*" prefix. |
52 | * Since this is fairly non-specific for the OVS userspace components, | |
53 | * "ODP_*" (Open vSwitch Datapath) is used as the prefix for | |
54 | * interactions with the datapath. | |
55 | */ | |
56 | ||
7202cbe5 BP |
57 | /* The set of characters that may separate one action or one key attribute |
58 | * from another. */ | |
59 | static const char *delimiters = ", \t\r\n"; | |
d787ad39 | 60 | static const char *delimiters_end = ", \t\r\n)"; |
7202cbe5 | 61 | |
ac20d3fe YS |
62 | #define MAX_ODP_NESTED 32 |
63 | ||
64 | struct parse_odp_context { | |
65 | const struct simap *port_names; | |
66 | int depth; /* Current nested depth of odp string. */ | |
67 | }; | |
68 | ||
69 | static int parse_odp_key_mask_attr(struct parse_odp_context *, const char *, | |
70 | struct ofpbuf *, struct ofpbuf *); | |
5fbe9d15 TA |
71 | |
72 | static int parse_odp_key_mask_attr__(struct parse_odp_context *, const char *, | |
73 | struct ofpbuf *, struct ofpbuf *); | |
74 | ||
e6cc0bab | 75 | static void format_odp_key_attr(const struct nlattr *a, |
0a37839c GS |
76 | const struct nlattr *ma, |
77 | const struct hmap *portno_names, struct ds *ds, | |
041e7168 | 78 | bool verbose); |
a052b51b | 79 | |
5bb08b0e JG |
80 | struct geneve_scan { |
81 | struct geneve_opt d[63]; | |
82 | int len; | |
83 | }; | |
84 | ||
85 | static int scan_geneve(const char *s, struct geneve_scan *key, | |
86 | struct geneve_scan *mask); | |
87 | static void format_geneve_opts(const struct geneve_opt *opt, | |
88 | const struct geneve_opt *mask, int opts_len, | |
89 | struct ds *, bool verbose); | |
90 | ||
65da723b JG |
91 | static struct nlattr *generate_all_wildcard_mask(const struct attr_len_tbl tbl[], |
92 | int max, struct ofpbuf *, | |
93 | const struct nlattr *key); | |
89cf41ec BP |
94 | static void format_u128(struct ds *d, const ovs_32aligned_u128 *key, |
95 | const ovs_32aligned_u128 *mask, bool verbose); | |
9daf2348 JS |
96 | static int scan_u128(const char *s, ovs_u128 *value, ovs_u128 *mask); |
97 | ||
5fbe9d15 TA |
98 | static int parse_odp_action(struct parse_odp_context *context, const char *s, |
99 | struct ofpbuf *actions); | |
100 | ||
101 | static int parse_odp_action__(struct parse_odp_context *context, const char *s, | |
c37f7135 AZ |
102 | struct ofpbuf *actions); |
103 | ||
98403001 BP |
104 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
105 | * 'type': | |
106 | * | |
107 | * - For an action whose argument has a fixed length, returned that | |
108 | * nonnegative length in bytes. | |
109 | * | |
6b8da9e9 | 110 | * - For an action with a variable-length argument, returns ATTR_LEN_VARIABLE. |
98403001 | 111 | * |
6b8da9e9 | 112 | * - For an invalid 'type', returns ATTR_LEN_INVALID. */ |
4edb9ae9 | 113 | static int |
cdee00fd BP |
114 | odp_action_len(uint16_t type) |
115 | { | |
df2c07f4 | 116 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
117 | return -1; |
118 | } | |
119 | ||
09ded0ad | 120 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 121 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
9df65060 | 122 | case OVS_ACTION_ATTR_LB_OUTPUT: return sizeof(uint32_t); |
aaca4fe0 | 123 | case OVS_ACTION_ATTR_TRUNC: return sizeof(struct ovs_action_trunc); |
6b8da9e9 | 124 | case OVS_ACTION_ATTR_TUNNEL_PUSH: return ATTR_LEN_VARIABLE; |
a36de779 | 125 | case OVS_ACTION_ATTR_TUNNEL_POP: return sizeof(uint32_t); |
5dddf960 | 126 | case OVS_ACTION_ATTR_METER: return sizeof(uint32_t); |
6b8da9e9 | 127 | case OVS_ACTION_ATTR_USERSPACE: return ATTR_LEN_VARIABLE; |
fea393b1 BP |
128 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
129 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
130 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
131 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
347bf289 AZ |
132 | case OVS_ACTION_ATTR_RECIRC: return sizeof(uint32_t); |
133 | case OVS_ACTION_ATTR_HASH: return sizeof(struct ovs_action_hash); | |
6b8da9e9 JG |
134 | case OVS_ACTION_ATTR_SET: return ATTR_LEN_VARIABLE; |
135 | case OVS_ACTION_ATTR_SET_MASKED: return ATTR_LEN_VARIABLE; | |
136 | case OVS_ACTION_ATTR_SAMPLE: return ATTR_LEN_VARIABLE; | |
07659514 | 137 | case OVS_ACTION_ATTR_CT: return ATTR_LEN_VARIABLE; |
1fe178d2 | 138 | case OVS_ACTION_ATTR_CT_CLEAR: return 0; |
6fcecb85 YY |
139 | case OVS_ACTION_ATTR_PUSH_ETH: return sizeof(struct ovs_action_push_eth); |
140 | case OVS_ACTION_ATTR_POP_ETH: return 0; | |
535e3acf | 141 | case OVS_ACTION_ATTR_CLONE: return ATTR_LEN_VARIABLE; |
f59cb331 YY |
142 | case OVS_ACTION_ATTR_PUSH_NSH: return ATTR_LEN_VARIABLE; |
143 | case OVS_ACTION_ATTR_POP_NSH: return 0; | |
5b34f8fc | 144 | case OVS_ACTION_ATTR_CHECK_PKT_LEN: return ATTR_LEN_VARIABLE; |
a13a0209 | 145 | case OVS_ACTION_ATTR_DROP: return sizeof(uint32_t); |
df2c07f4 JP |
146 | |
147 | case OVS_ACTION_ATTR_UNSPEC: | |
148 | case __OVS_ACTION_ATTR_MAX: | |
6b8da9e9 | 149 | return ATTR_LEN_INVALID; |
cdee00fd BP |
150 | } |
151 | ||
6b8da9e9 | 152 | return ATTR_LEN_INVALID; |
cdee00fd BP |
153 | } |
154 | ||
e6603631 BP |
155 | /* Returns a string form of 'attr'. The return value is either a statically |
156 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
157 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
158 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 159 | static const char * |
e6603631 | 160 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 161 | { |
744791b5 BP |
162 | switch (attr) { |
163 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 164 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 165 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 166 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
07659514 JS |
167 | case OVS_KEY_ATTR_CT_STATE: return "ct_state"; |
168 | case OVS_KEY_ATTR_CT_ZONE: return "ct_zone"; | |
8e53fe8c | 169 | case OVS_KEY_ATTR_CT_MARK: return "ct_mark"; |
9daf2348 | 170 | case OVS_KEY_ATTR_CT_LABELS: return "ct_label"; |
c30b4cea JR |
171 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: return "ct_tuple4"; |
172 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: return "ct_tuple6"; | |
9b405f1a | 173 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
174 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
175 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 176 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
177 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
178 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
179 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
180 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
dc235f7f | 181 | case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags"; |
744791b5 | 182 | case OVS_KEY_ATTR_UDP: return "udp"; |
c6bcb685 | 183 | case OVS_KEY_ATTR_SCTP: return "sctp"; |
744791b5 BP |
184 | case OVS_KEY_ATTR_ICMP: return "icmp"; |
185 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
186 | case OVS_KEY_ATTR_ARP: return "arp"; | |
187 | case OVS_KEY_ATTR_ND: return "nd"; | |
9b2b8497 | 188 | case OVS_KEY_ATTR_ND_EXTENSIONS: return "nd_ext"; |
b02475c5 | 189 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
572f732a AZ |
190 | case OVS_KEY_ATTR_DP_HASH: return "dp_hash"; |
191 | case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id"; | |
beb75a40 | 192 | case OVS_KEY_ATTR_PACKET_TYPE: return "packet_type"; |
3d2fbd70 | 193 | case OVS_KEY_ATTR_NSH: return "nsh"; |
744791b5 BP |
194 | |
195 | case __OVS_KEY_ATTR_MAX: | |
196 | default: | |
e6603631 BP |
197 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
198 | return namebuf; | |
744791b5 BP |
199 | } |
200 | } | |
201 | ||
cdee00fd BP |
202 | static void |
203 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
204 | { | |
8ba43fbd BP |
205 | size_t len = nl_attr_get_size(a); |
206 | ||
fd13c6b5 | 207 | ds_put_format(ds, "action%d", nl_attr_type(a)); |
8ba43fbd | 208 | if (len) { |
cdee00fd BP |
209 | const uint8_t *unspec; |
210 | unsigned int i; | |
211 | ||
212 | unspec = nl_attr_get(a); | |
8ba43fbd | 213 | for (i = 0; i < len; i++) { |
cdee00fd BP |
214 | ds_put_char(ds, i ? ' ': '('); |
215 | ds_put_format(ds, "%02x", unspec[i]); | |
216 | } | |
217 | ds_put_char(ds, ')'); | |
218 | } | |
219 | } | |
220 | ||
6ff686f2 | 221 | static void |
0722f341 BP |
222 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr, |
223 | const struct hmap *portno_names) | |
6ff686f2 PS |
224 | { |
225 | static const struct nl_policy ovs_sample_policy[] = { | |
3548d242 BP |
226 | [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 }, |
227 | [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED } | |
6ff686f2 PS |
228 | }; |
229 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
230 | double percentage; |
231 | const struct nlattr *nla_acts; | |
232 | int len; | |
233 | ||
234 | ds_put_cstr(ds, "sample"); | |
235 | ||
5621afff | 236 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
237 | ds_put_cstr(ds, "(error)"); |
238 | return; | |
239 | } | |
240 | ||
241 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
242 | UINT32_MAX; | |
243 | ||
244 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
245 | ||
246 | ds_put_cstr(ds, "actions("); | |
247 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
248 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
0722f341 | 249 | format_odp_actions(ds, nla_acts, len, portno_names); |
6ff686f2 PS |
250 | ds_put_format(ds, "))"); |
251 | } | |
252 | ||
535e3acf | 253 | static void |
0722f341 BP |
254 | format_odp_clone_action(struct ds *ds, const struct nlattr *attr, |
255 | const struct hmap *portno_names) | |
535e3acf AZ |
256 | { |
257 | const struct nlattr *nla_acts = nl_attr_get(attr); | |
258 | int len = nl_attr_get_size(attr); | |
259 | ||
260 | ds_put_cstr(ds, "clone"); | |
261 | ds_put_format(ds, "("); | |
0722f341 | 262 | format_odp_actions(ds, nla_acts, len, portno_names); |
535e3acf AZ |
263 | ds_put_format(ds, ")"); |
264 | } | |
265 | ||
3d2fbd70 JS |
266 | static void |
267 | format_nsh_key(struct ds *ds, const struct ovs_key_nsh *key) | |
268 | { | |
269 | ds_put_format(ds, "flags=%d", key->flags); | |
569c3df2 | 270 | ds_put_format(ds, ",ttl=%d", key->ttl); |
3d2fbd70 JS |
271 | ds_put_format(ds, ",mdtype=%d", key->mdtype); |
272 | ds_put_format(ds, ",np=%d", key->np); | |
273 | ds_put_format(ds, ",spi=0x%x", | |
17553f27 | 274 | nsh_path_hdr_to_spi_uint32(key->path_hdr)); |
3d2fbd70 | 275 | ds_put_format(ds, ",si=%d", |
17553f27 | 276 | nsh_path_hdr_to_si(key->path_hdr)); |
3d2fbd70 JS |
277 | |
278 | switch (key->mdtype) { | |
279 | case NSH_M_TYPE1: | |
280 | for (int i = 0; i < 4; i++) { | |
f59cb331 | 281 | ds_put_format(ds, ",c%d=0x%x", i + 1, ntohl(key->context[i])); |
3d2fbd70 JS |
282 | } |
283 | break; | |
284 | case NSH_M_TYPE2: | |
3d2fbd70 | 285 | default: |
1fc11c59 JS |
286 | /* No support for matching other metadata formats yet. */ |
287 | break; | |
3d2fbd70 JS |
288 | } |
289 | } | |
290 | ||
291 | static void | |
292 | format_uint8_masked(struct ds *s, bool *first, const char *name, | |
293 | uint8_t value, uint8_t mask) | |
294 | { | |
295 | if (mask != 0) { | |
296 | if (!*first) { | |
297 | ds_put_char(s, ','); | |
298 | } | |
299 | ds_put_format(s, "%s=", name); | |
300 | if (mask == UINT8_MAX) { | |
301 | ds_put_format(s, "%"PRIu8, value); | |
302 | } else { | |
303 | ds_put_format(s, "0x%02"PRIx8"/0x%02"PRIx8, value, mask); | |
304 | } | |
305 | *first = false; | |
306 | } | |
307 | } | |
308 | ||
309 | static void | |
310 | format_be32_masked(struct ds *s, bool *first, const char *name, | |
311 | ovs_be32 value, ovs_be32 mask) | |
312 | { | |
313 | if (mask != htonl(0)) { | |
314 | if (!*first) { | |
315 | ds_put_char(s, ','); | |
316 | } | |
317 | ds_put_format(s, "%s=", name); | |
318 | if (mask == OVS_BE32_MAX) { | |
319 | ds_put_format(s, "0x%"PRIx32, ntohl(value)); | |
320 | } else { | |
321 | ds_put_format(s, "0x%"PRIx32"/0x%08"PRIx32, | |
322 | ntohl(value), ntohl(mask)); | |
323 | } | |
324 | *first = false; | |
325 | } | |
326 | } | |
327 | ||
328 | static void | |
329 | format_nsh_key_mask(struct ds *ds, const struct ovs_key_nsh *key, | |
330 | const struct ovs_key_nsh *mask) | |
331 | { | |
332 | if (!mask) { | |
333 | format_nsh_key(ds, key); | |
334 | } else { | |
335 | bool first = true; | |
17553f27 YY |
336 | uint32_t spi = nsh_path_hdr_to_spi_uint32(key->path_hdr); |
337 | uint32_t spi_mask = nsh_path_hdr_to_spi_uint32(mask->path_hdr); | |
338 | if (spi_mask == (NSH_SPI_MASK >> NSH_SPI_SHIFT)) { | |
3d2fbd70 JS |
339 | spi_mask = UINT32_MAX; |
340 | } | |
17553f27 YY |
341 | uint8_t si = nsh_path_hdr_to_si(key->path_hdr); |
342 | uint8_t si_mask = nsh_path_hdr_to_si(mask->path_hdr); | |
3d2fbd70 JS |
343 | |
344 | format_uint8_masked(ds, &first, "flags", key->flags, mask->flags); | |
17553f27 | 345 | format_uint8_masked(ds, &first, "ttl", key->ttl, mask->ttl); |
3d2fbd70 JS |
346 | format_uint8_masked(ds, &first, "mdtype", key->mdtype, mask->mdtype); |
347 | format_uint8_masked(ds, &first, "np", key->np, mask->np); | |
348 | format_be32_masked(ds, &first, "spi", htonl(spi), htonl(spi_mask)); | |
349 | format_uint8_masked(ds, &first, "si", si, si_mask); | |
f59cb331 YY |
350 | format_be32_masked(ds, &first, "c1", key->context[0], |
351 | mask->context[0]); | |
352 | format_be32_masked(ds, &first, "c2", key->context[1], | |
353 | mask->context[1]); | |
354 | format_be32_masked(ds, &first, "c3", key->context[2], | |
355 | mask->context[2]); | |
356 | format_be32_masked(ds, &first, "c4", key->context[3], | |
357 | mask->context[3]); | |
3d2fbd70 JS |
358 | } |
359 | } | |
360 | ||
1fc11c59 | 361 | static void |
f59cb331 YY |
362 | format_odp_push_nsh_action(struct ds *ds, |
363 | const struct nsh_hdr *nsh_hdr) | |
1fc11c59 | 364 | { |
f59cb331 | 365 | size_t mdlen = nsh_hdr_len(nsh_hdr) - NSH_BASE_HDR_LEN; |
17553f27 YY |
366 | uint32_t spi = ntohl(nsh_get_spi(nsh_hdr)); |
367 | uint8_t si = nsh_get_si(nsh_hdr); | |
f59cb331 | 368 | uint8_t flags = nsh_get_flags(nsh_hdr); |
17553f27 | 369 | uint8_t ttl = nsh_get_ttl(nsh_hdr); |
1fc11c59 | 370 | |
f59cb331 YY |
371 | ds_put_cstr(ds, "push_nsh("); |
372 | ds_put_format(ds, "flags=%d", flags); | |
17553f27 | 373 | ds_put_format(ds, ",ttl=%d", ttl); |
f59cb331 YY |
374 | ds_put_format(ds, ",mdtype=%d", nsh_hdr->md_type); |
375 | ds_put_format(ds, ",np=%d", nsh_hdr->next_proto); | |
1fc11c59 JS |
376 | ds_put_format(ds, ",spi=0x%x", spi); |
377 | ds_put_format(ds, ",si=%d", si); | |
f59cb331 | 378 | switch (nsh_hdr->md_type) { |
1fc11c59 | 379 | case NSH_M_TYPE1: { |
f59cb331 | 380 | const struct nsh_md1_ctx *md1_ctx = &nsh_hdr->md1; |
1fc11c59 JS |
381 | for (int i = 0; i < 4; i++) { |
382 | ds_put_format(ds, ",c%d=0x%x", i + 1, | |
f59cb331 | 383 | ntohl(get_16aligned_be32(&md1_ctx->context[i]))); |
1fc11c59 JS |
384 | } |
385 | break; | |
386 | } | |
f59cb331 YY |
387 | case NSH_M_TYPE2: { |
388 | const struct nsh_md2_tlv *md2_ctx = &nsh_hdr->md2; | |
1fc11c59 | 389 | ds_put_cstr(ds, ",md2="); |
f59cb331 | 390 | ds_put_hex(ds, md2_ctx, mdlen); |
1fc11c59 | 391 | break; |
f59cb331 | 392 | } |
1fc11c59 | 393 | default: |
e7eb904d IM |
394 | ds_put_cstr(ds, ",<error: unknown mdtype>"); |
395 | break; | |
1fc11c59 JS |
396 | } |
397 | ds_put_format(ds, ")"); | |
398 | } | |
399 | ||
6a7e895f | 400 | static const char * |
04594cd5 | 401 | slow_path_reason_to_string(uint32_t reason) |
6a7e895f | 402 | { |
04594cd5 BP |
403 | switch ((enum slow_path_reason) reason) { |
404 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING; | |
405 | SLOW_PATH_REASONS | |
406 | #undef SPR | |
6a7e895f | 407 | } |
04594cd5 BP |
408 | |
409 | return NULL; | |
6a7e895f BP |
410 | } |
411 | ||
04594cd5 BP |
412 | const char * |
413 | slow_path_reason_to_explanation(enum slow_path_reason reason) | |
98f0520f | 414 | { |
04594cd5 BP |
415 | switch (reason) { |
416 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION; | |
417 | SLOW_PATH_REASONS | |
418 | #undef SPR | |
98f0520f EJ |
419 | } |
420 | ||
04594cd5 | 421 | return "<unknown>"; |
98f0520f EJ |
422 | } |
423 | ||
ec956fc7 | 424 | static int |
8e4c1621 JG |
425 | parse_odp_flags(const char *s, const char *(*bit_to_string)(uint32_t), |
426 | uint32_t *res_flags, uint32_t allowed, uint32_t *res_mask) | |
ec956fc7 | 427 | { |
8e4c1621 JG |
428 | return parse_flags(s, bit_to_string, ')', NULL, NULL, |
429 | res_flags, allowed, res_mask); | |
6a7e895f BP |
430 | } |
431 | ||
98403001 | 432 | static void |
0722f341 BP |
433 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr, |
434 | const struct hmap *portno_names) | |
98403001 BP |
435 | { |
436 | static const struct nl_policy ovs_userspace_policy[] = { | |
3548d242 BP |
437 | [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 }, |
438 | [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC, | |
439 | .optional = true }, | |
8b7ea2d4 WZ |
440 | [OVS_USERSPACE_ATTR_EGRESS_TUN_PORT] = { .type = NL_A_U32, |
441 | .optional = true }, | |
7321bda3 NM |
442 | [OVS_USERSPACE_ATTR_ACTIONS] = { .type = NL_A_UNSPEC, |
443 | .optional = true }, | |
98403001 BP |
444 | }; |
445 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 446 | const struct nlattr *userdata_attr; |
8b7ea2d4 | 447 | const struct nlattr *tunnel_out_port_attr; |
98403001 BP |
448 | |
449 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
450 | ds_put_cstr(ds, "userspace(error)"); | |
451 | return; | |
452 | } | |
453 | ||
454 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
455 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
456 | ||
e995e3df | 457 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
458 | |
459 | if (userdata_attr) { | |
460 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
461 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
462 | bool userdata_unspec = true; | |
8de6ff3e | 463 | struct user_action_cookie cookie; |
98403001 | 464 | |
8de6ff3e JP |
465 | if (userdata_len == sizeof cookie) { |
466 | memcpy(&cookie, userdata, sizeof cookie); | |
29089a54 RL |
467 | |
468 | userdata_unspec = false; | |
469 | ||
8de6ff3e | 470 | if (cookie.type == USER_ACTION_COOKIE_SFLOW) { |
29089a54 | 471 | ds_put_format(ds, ",sFlow(" |
fd13c6b5 | 472 | "vid=%"PRIu16",pcp=%d,output=%"PRIu32")", |
29089a54 RL |
473 | vlan_tci_to_vid(cookie.sflow.vlan_tci), |
474 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
475 | cookie.sflow.output); | |
8de6ff3e | 476 | } else if (cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { |
04594cd5 BP |
477 | ds_put_cstr(ds, ",slow_path("); |
478 | format_flags(ds, slow_path_reason_to_string, | |
479 | cookie.slow_path.reason, ','); | |
480 | ds_put_format(ds, ")"); | |
8de6ff3e | 481 | } else if (cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { |
29089a54 RL |
482 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 |
483 | ",collector_set_id=%"PRIu32 | |
484 | ",obs_domain_id=%"PRIu32 | |
f69f713b | 485 | ",obs_point_id=%"PRIu32 |
0722f341 | 486 | ",output_port=", |
29089a54 RL |
487 | cookie.flow_sample.probability, |
488 | cookie.flow_sample.collector_set_id, | |
489 | cookie.flow_sample.obs_domain_id, | |
0722f341 BP |
490 | cookie.flow_sample.obs_point_id); |
491 | odp_portno_name_format(portno_names, | |
492 | cookie.flow_sample.output_odp_port, ds); | |
4930ea56 BP |
493 | if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_INGRESS) { |
494 | ds_put_cstr(ds, ",ingress"); | |
495 | } else if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_EGRESS) { | |
496 | ds_put_cstr(ds, ",egress"); | |
497 | } | |
498 | ds_put_char(ds, ')'); | |
8de6ff3e | 499 | } else if (cookie.type == USER_ACTION_COOKIE_IPFIX) { |
0722f341 BP |
500 | ds_put_format(ds, ",ipfix(output_port="); |
501 | odp_portno_name_format(portno_names, | |
502 | cookie.ipfix.output_odp_port, ds); | |
503 | ds_put_char(ds, ')'); | |
d39ec23d JP |
504 | } else if (cookie.type == USER_ACTION_COOKIE_CONTROLLER) { |
505 | ds_put_format(ds, ",controller(reason=%"PRIu16 | |
68c5c73b AC |
506 | ",dont_send=%d" |
507 | ",continuation=%d" | |
d39ec23d JP |
508 | ",recirc_id=%"PRIu32 |
509 | ",rule_cookie=%#"PRIx64 | |
510 | ",controller_id=%"PRIu16 | |
511 | ",max_len=%"PRIu16, | |
512 | cookie.controller.reason, | |
abaf6dcf YS |
513 | !!cookie.controller.dont_send, |
514 | !!cookie.controller.continuation, | |
d39ec23d JP |
515 | cookie.controller.recirc_id, |
516 | ntohll(get_32aligned_be64( | |
517 | &cookie.controller.rule_cookie)), | |
518 | cookie.controller.controller_id, | |
519 | cookie.controller.max_len); | |
520 | ds_put_char(ds, ')'); | |
29089a54 RL |
521 | } else { |
522 | userdata_unspec = true; | |
523 | } | |
98403001 | 524 | } |
e995e3df | 525 | |
29089a54 RL |
526 | if (userdata_unspec) { |
527 | size_t i; | |
528 | ds_put_format(ds, ",userdata("); | |
529 | for (i = 0; i < userdata_len; i++) { | |
530 | ds_put_format(ds, "%02x", userdata[i]); | |
531 | } | |
532 | ds_put_char(ds, ')'); | |
e995e3df | 533 | } |
98403001 BP |
534 | } |
535 | ||
7321bda3 NM |
536 | if (a[OVS_USERSPACE_ATTR_ACTIONS]) { |
537 | ds_put_cstr(ds, ",actions"); | |
538 | } | |
539 | ||
8b7ea2d4 WZ |
540 | tunnel_out_port_attr = a[OVS_USERSPACE_ATTR_EGRESS_TUN_PORT]; |
541 | if (tunnel_out_port_attr) { | |
0722f341 BP |
542 | ds_put_format(ds, ",tunnel_out_port="); |
543 | odp_portno_name_format(portno_names, | |
544 | nl_attr_get_odp_port(tunnel_out_port_attr), ds); | |
8b7ea2d4 WZ |
545 | } |
546 | ||
98403001 BP |
547 | ds_put_char(ds, ')'); |
548 | } | |
549 | ||
8ddc056d | 550 | static void |
2d18eae8 | 551 | format_vlan_tci(struct ds *ds, ovs_be16 tci, ovs_be16 mask, bool verbose) |
8ddc056d | 552 | { |
2d18eae8 JR |
553 | if (verbose || vlan_tci_to_vid(tci) || vlan_tci_to_vid(mask)) { |
554 | ds_put_format(ds, "vid=%"PRIu16, vlan_tci_to_vid(tci)); | |
555 | if (vlan_tci_to_vid(mask) != VLAN_VID_MASK) { /* Partially masked. */ | |
556 | ds_put_format(ds, "/0x%"PRIx16, vlan_tci_to_vid(mask)); | |
557 | }; | |
558 | ds_put_char(ds, ','); | |
559 | } | |
560 | if (verbose || vlan_tci_to_pcp(tci) || vlan_tci_to_pcp(mask)) { | |
561 | ds_put_format(ds, "pcp=%d", vlan_tci_to_pcp(tci)); | |
562 | if (vlan_tci_to_pcp(mask) != (VLAN_PCP_MASK >> VLAN_PCP_SHIFT)) { | |
563 | ds_put_format(ds, "/0x%x", vlan_tci_to_pcp(mask)); | |
564 | } | |
565 | ds_put_char(ds, ','); | |
566 | } | |
567 | if (!(tci & htons(VLAN_CFI))) { | |
568 | ds_put_cstr(ds, "cfi=0"); | |
569 | ds_put_char(ds, ','); | |
8ddc056d | 570 | } |
2d18eae8 | 571 | ds_chomp(ds, ','); |
8ddc056d BP |
572 | } |
573 | ||
b02475c5 SH |
574 | static void |
575 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
576 | { | |
577 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
578 | mpls_lse_to_label(mpls_lse), | |
579 | mpls_lse_to_tc(mpls_lse), | |
580 | mpls_lse_to_ttl(mpls_lse), | |
581 | mpls_lse_to_bos(mpls_lse)); | |
582 | } | |
583 | ||
e6cc0bab AZ |
584 | static void |
585 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
8bfd0fda | 586 | const struct ovs_key_mpls *mpls_mask, int n) |
e6cc0bab | 587 | { |
8f79bb4d JR |
588 | for (int i = 0; i < n; i++) { |
589 | ovs_be32 key = mpls_key[i].mpls_lse; | |
e6cc0bab | 590 | |
8bfd0fda BP |
591 | if (mpls_mask == NULL) { |
592 | format_mpls_lse(ds, key); | |
593 | } else { | |
8f79bb4d | 594 | ovs_be32 mask = mpls_mask[i].mpls_lse; |
8bfd0fda BP |
595 | |
596 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
597 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
598 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
599 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
600 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
601 | } | |
8f79bb4d | 602 | ds_put_char(ds, ','); |
e6cc0bab | 603 | } |
8f79bb4d | 604 | ds_chomp(ds, ','); |
e6cc0bab AZ |
605 | } |
606 | ||
572f732a | 607 | static void |
347bf289 | 608 | format_odp_recirc_action(struct ds *ds, uint32_t recirc_id) |
572f732a | 609 | { |
8f19f0a7 | 610 | ds_put_format(ds, "recirc(%#"PRIx32")", recirc_id); |
347bf289 | 611 | } |
572f732a | 612 | |
347bf289 AZ |
613 | static void |
614 | format_odp_hash_action(struct ds *ds, const struct ovs_action_hash *hash_act) | |
615 | { | |
616 | ds_put_format(ds, "hash("); | |
572f732a | 617 | |
347bf289 | 618 | if (hash_act->hash_alg == OVS_HASH_ALG_L4) { |
2e3fd24c JS |
619 | ds_put_format(ds, "l4(%"PRIu32")", hash_act->hash_basis); |
620 | } else if (hash_act->hash_alg == OVS_HASH_ALG_SYM_L4) { | |
621 | ds_put_format(ds, "sym_l4(%"PRIu32")", hash_act->hash_basis); | |
347bf289 AZ |
622 | } else { |
623 | ds_put_format(ds, "Unknown hash algorithm(%"PRIu32")", | |
624 | hash_act->hash_alg); | |
625 | } | |
626 | ds_put_format(ds, ")"); | |
572f732a AZ |
627 | } |
628 | ||
e066f78f | 629 | static const void * |
370e373b | 630 | format_udp_tnl_push_header(struct ds *ds, const struct udp_header *udp) |
e066f78f | 631 | { |
8e45fe7c JG |
632 | ds_put_format(ds, "udp(src=%"PRIu16",dst=%"PRIu16",csum=0x%"PRIx16"),", |
633 | ntohs(udp->udp_src), ntohs(udp->udp_dst), | |
634 | ntohs(udp->udp_csum)); | |
e066f78f JG |
635 | |
636 | return udp + 1; | |
637 | } | |
638 | ||
a36de779 PS |
639 | static void |
640 | format_odp_tnl_push_header(struct ds *ds, struct ovs_action_push_tnl *data) | |
641 | { | |
642 | const struct eth_header *eth; | |
a36de779 | 643 | const void *l3; |
370e373b TLSC |
644 | const void *l4; |
645 | const struct udp_header *udp; | |
a36de779 PS |
646 | |
647 | eth = (const struct eth_header *)data->header; | |
648 | ||
649 | l3 = eth + 1; | |
a36de779 PS |
650 | |
651 | /* Ethernet */ | |
fd13c6b5 | 652 | ds_put_format(ds, "header(size=%"PRIu32",type=%"PRIu32",eth(dst=", |
a36de779 PS |
653 | data->header_len, data->tnl_type); |
654 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_dst)); | |
655 | ds_put_format(ds, ",src="); | |
656 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_src)); | |
657 | ds_put_format(ds, ",dl_type=0x%04"PRIx16"),", ntohs(eth->eth_type)); | |
658 | ||
370e373b TLSC |
659 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
660 | /* IPv4 */ | |
8568c7a5 | 661 | const struct ip_header *ip = l3; |
370e373b TLSC |
662 | ds_put_format(ds, "ipv4(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 |
663 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=0x%"PRIx16"),", | |
664 | IP_ARGS(get_16aligned_be32(&ip->ip_src)), | |
665 | IP_ARGS(get_16aligned_be32(&ip->ip_dst)), | |
666 | ip->ip_proto, ip->ip_tos, | |
667 | ip->ip_ttl, | |
fa47c114 | 668 | ntohs(ip->ip_frag_off)); |
370e373b TLSC |
669 | l4 = (ip + 1); |
670 | } else { | |
8568c7a5 BP |
671 | const struct ovs_16aligned_ip6_hdr *ip6 = l3; |
672 | struct in6_addr src, dst; | |
673 | memcpy(&src, &ip6->ip6_src, sizeof src); | |
674 | memcpy(&dst, &ip6->ip6_dst, sizeof dst); | |
675 | uint32_t ipv6_flow = ntohl(get_16aligned_be32(&ip6->ip6_flow)); | |
676 | ||
370e373b | 677 | ds_put_format(ds, "ipv6(src="); |
8568c7a5 | 678 | ipv6_format_addr(&src, ds); |
370e373b | 679 | ds_put_format(ds, ",dst="); |
8568c7a5 | 680 | ipv6_format_addr(&dst, ds); |
fd13c6b5 | 681 | ds_put_format(ds, ",label=%i,proto=%"PRIu8",tclass=0x%"PRIx32 |
370e373b | 682 | ",hlimit=%"PRIu8"),", |
8568c7a5 BP |
683 | ipv6_flow & IPV6_LABEL_MASK, ip6->ip6_nxt, |
684 | (ipv6_flow >> 20) & 0xff, ip6->ip6_hlim); | |
370e373b TLSC |
685 | l4 = (ip6 + 1); |
686 | } | |
687 | ||
688 | udp = (const struct udp_header *) l4; | |
a36de779 PS |
689 | |
690 | if (data->tnl_type == OVS_VPORT_TYPE_VXLAN) { | |
691 | const struct vxlanhdr *vxh; | |
a36de779 | 692 | |
370e373b | 693 | vxh = format_udp_tnl_push_header(ds, udp); |
a36de779 | 694 | |
a36de779 PS |
695 | ds_put_format(ds, "vxlan(flags=0x%"PRIx32",vni=0x%"PRIx32")", |
696 | ntohl(get_16aligned_be32(&vxh->vx_flags)), | |
a92a3aae | 697 | ntohl(get_16aligned_be32(&vxh->vx_vni)) >> 8); |
e5a1caee JG |
698 | } else if (data->tnl_type == OVS_VPORT_TYPE_GENEVE) { |
699 | const struct genevehdr *gnh; | |
700 | ||
370e373b | 701 | gnh = format_udp_tnl_push_header(ds, udp); |
e5a1caee | 702 | |
5bb08b0e | 703 | ds_put_format(ds, "geneve(%s%svni=0x%"PRIx32, |
e5a1caee | 704 | gnh->oam ? "oam," : "", |
5bb08b0e | 705 | gnh->critical ? "crit," : "", |
e5a1caee | 706 | ntohl(get_16aligned_be32(&gnh->vni)) >> 8); |
1fc11c59 | 707 | |
5bb08b0e JG |
708 | if (gnh->opt_len) { |
709 | ds_put_cstr(ds, ",options("); | |
710 | format_geneve_opts(gnh->options, NULL, gnh->opt_len * 4, | |
711 | ds, false); | |
712 | ds_put_char(ds, ')'); | |
713 | } | |
714 | ||
715 | ds_put_char(ds, ')'); | |
3b10ceee GR |
716 | } else if (data->tnl_type == OVS_VPORT_TYPE_GRE || |
717 | data->tnl_type == OVS_VPORT_TYPE_IP6GRE) { | |
a36de779 PS |
718 | const struct gre_base_hdr *greh; |
719 | ovs_16aligned_be32 *options; | |
a36de779 | 720 | |
a36de779 PS |
721 | greh = (const struct gre_base_hdr *) l4; |
722 | ||
723 | ds_put_format(ds, "gre((flags=0x%"PRIx16",proto=0x%"PRIx16")", | |
e8fe6ad0 | 724 | ntohs(greh->flags), ntohs(greh->protocol)); |
a36de779 PS |
725 | options = (ovs_16aligned_be32 *)(greh + 1); |
726 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 727 | ds_put_format(ds, ",csum=0x%"PRIx16, ntohs(*((ovs_be16 *)options))); |
a36de779 PS |
728 | options++; |
729 | } | |
730 | if (greh->flags & htons(GRE_KEY)) { | |
731 | ds_put_format(ds, ",key=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
732 | options++; | |
733 | } | |
734 | if (greh->flags & htons(GRE_SEQ)) { | |
735 | ds_put_format(ds, ",seq=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
736 | options++; | |
737 | } | |
738 | ds_put_format(ds, ")"); | |
7dc18ae9 WT |
739 | } else if (data->tnl_type == OVS_VPORT_TYPE_ERSPAN || |
740 | data->tnl_type == OVS_VPORT_TYPE_IP6ERSPAN) { | |
741 | const struct gre_base_hdr *greh; | |
742 | const struct erspan_base_hdr *ersh; | |
743 | ||
744 | greh = (const struct gre_base_hdr *) l4; | |
745 | ersh = ERSPAN_HDR(greh); | |
746 | ||
747 | if (ersh->ver == 1) { | |
748 | ovs_16aligned_be32 *index = ALIGNED_CAST(ovs_16aligned_be32 *, | |
749 | ersh + 1); | |
750 | ds_put_format(ds, "erspan(ver=1,sid=0x%"PRIx16",idx=0x%"PRIx32")", | |
751 | get_sid(ersh), ntohl(get_16aligned_be32(index))); | |
752 | } else if (ersh->ver == 2) { | |
753 | struct erspan_md2 *md2 = ALIGNED_CAST(struct erspan_md2 *, | |
754 | ersh + 1); | |
755 | ds_put_format(ds, "erspan(ver=2,sid=0x%"PRIx16 | |
756 | ",dir=%"PRIu8",hwid=0x%"PRIx8")", | |
757 | get_sid(ersh), md2->dir, get_hwid(md2)); | |
758 | } else { | |
759 | VLOG_WARN("%s Invalid ERSPAN version %d\n", __func__, ersh->ver); | |
760 | } | |
3c6d05a0 WT |
761 | } else if (data->tnl_type == OVS_VPORT_TYPE_GTPU) { |
762 | const struct gtpuhdr *gtph; | |
763 | ||
764 | gtph = format_udp_tnl_push_header(ds, udp); | |
765 | ||
766 | ds_put_format(ds, "gtpu(flags=0x%"PRIx8 | |
767 | ",msgtype=%"PRIu8",teid=0x%"PRIx32")", | |
768 | gtph->md.flags, gtph->md.msgtype, | |
769 | ntohl(get_16aligned_be32(>ph->teid))); | |
a36de779 | 770 | } |
3c6d05a0 | 771 | |
a36de779 PS |
772 | ds_put_format(ds, ")"); |
773 | } | |
774 | ||
775 | static void | |
0722f341 BP |
776 | format_odp_tnl_push_action(struct ds *ds, const struct nlattr *attr, |
777 | const struct hmap *portno_names) | |
a36de779 PS |
778 | { |
779 | struct ovs_action_push_tnl *data; | |
780 | ||
781 | data = (struct ovs_action_push_tnl *) nl_attr_get(attr); | |
782 | ||
0722f341 BP |
783 | ds_put_cstr(ds, "tnl_push(tnl_port("); |
784 | odp_portno_name_format(portno_names, data->tnl_port, ds); | |
785 | ds_put_cstr(ds, "),"); | |
a36de779 | 786 | format_odp_tnl_push_header(ds, data); |
0722f341 BP |
787 | ds_put_format(ds, ",out_port("); |
788 | odp_portno_name_format(portno_names, data->out_port, ds); | |
789 | ds_put_cstr(ds, "))"); | |
a36de779 PS |
790 | } |
791 | ||
9ac0aada JR |
792 | static const struct nl_policy ovs_nat_policy[] = { |
793 | [OVS_NAT_ATTR_SRC] = { .type = NL_A_FLAG, .optional = true, }, | |
794 | [OVS_NAT_ATTR_DST] = { .type = NL_A_FLAG, .optional = true, }, | |
795 | [OVS_NAT_ATTR_IP_MIN] = { .type = NL_A_UNSPEC, .optional = true, | |
796 | .min_len = sizeof(struct in_addr), | |
797 | .max_len = sizeof(struct in6_addr)}, | |
798 | [OVS_NAT_ATTR_IP_MAX] = { .type = NL_A_UNSPEC, .optional = true, | |
799 | .min_len = sizeof(struct in_addr), | |
800 | .max_len = sizeof(struct in6_addr)}, | |
801 | [OVS_NAT_ATTR_PROTO_MIN] = { .type = NL_A_U16, .optional = true, }, | |
802 | [OVS_NAT_ATTR_PROTO_MAX] = { .type = NL_A_U16, .optional = true, }, | |
803 | [OVS_NAT_ATTR_PERSISTENT] = { .type = NL_A_FLAG, .optional = true, }, | |
804 | [OVS_NAT_ATTR_PROTO_HASH] = { .type = NL_A_FLAG, .optional = true, }, | |
805 | [OVS_NAT_ATTR_PROTO_RANDOM] = { .type = NL_A_FLAG, .optional = true, }, | |
806 | }; | |
807 | ||
808 | static void | |
809 | format_odp_ct_nat(struct ds *ds, const struct nlattr *attr) | |
810 | { | |
811 | struct nlattr *a[ARRAY_SIZE(ovs_nat_policy)]; | |
812 | size_t addr_len; | |
813 | ovs_be32 ip_min, ip_max; | |
814 | struct in6_addr ip6_min, ip6_max; | |
815 | uint16_t proto_min, proto_max; | |
816 | ||
817 | if (!nl_parse_nested(attr, ovs_nat_policy, a, ARRAY_SIZE(a))) { | |
818 | ds_put_cstr(ds, "nat(error: nl_parse_nested() failed.)"); | |
819 | return; | |
820 | } | |
821 | /* If no type, then nothing else either. */ | |
822 | if (!(a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) | |
823 | && (a[OVS_NAT_ATTR_IP_MIN] || a[OVS_NAT_ATTR_IP_MAX] | |
824 | || a[OVS_NAT_ATTR_PROTO_MIN] || a[OVS_NAT_ATTR_PROTO_MAX] | |
825 | || a[OVS_NAT_ATTR_PERSISTENT] || a[OVS_NAT_ATTR_PROTO_HASH] | |
826 | || a[OVS_NAT_ATTR_PROTO_RANDOM])) { | |
827 | ds_put_cstr(ds, "nat(error: options allowed only with \"src\" or \"dst\")"); | |
828 | return; | |
829 | } | |
830 | /* Both SNAT & DNAT may not be specified. */ | |
831 | if (a[OVS_NAT_ATTR_SRC] && a[OVS_NAT_ATTR_DST]) { | |
832 | ds_put_cstr(ds, "nat(error: Only one of \"src\" or \"dst\" may be present.)"); | |
833 | return; | |
834 | } | |
835 | /* proto may not appear without ip. */ | |
836 | if (!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_PROTO_MIN]) { | |
837 | ds_put_cstr(ds, "nat(error: proto but no IP.)"); | |
838 | return; | |
839 | } | |
840 | /* MAX may not appear without MIN. */ | |
841 | if ((!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX]) | |
842 | || (!a[OVS_NAT_ATTR_PROTO_MIN] && a[OVS_NAT_ATTR_PROTO_MAX])) { | |
843 | ds_put_cstr(ds, "nat(error: range max without min.)"); | |
844 | return; | |
845 | } | |
846 | /* Address sizes must match. */ | |
847 | if ((a[OVS_NAT_ATTR_IP_MIN] | |
848 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(ovs_be32) && | |
849 | nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(struct in6_addr))) | |
850 | || (a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX] | |
851 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) | |
852 | != nl_attr_get_size(a[OVS_NAT_ATTR_IP_MAX])))) { | |
853 | ds_put_cstr(ds, "nat(error: IP address sizes do not match)"); | |
854 | return; | |
855 | } | |
856 | ||
857 | addr_len = a[OVS_NAT_ATTR_IP_MIN] | |
858 | ? nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
859 | ip_min = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MIN] | |
860 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
861 | ip_max = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MAX] | |
862 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MAX]) : 0; | |
863 | if (addr_len == sizeof ip6_min) { | |
864 | ip6_min = a[OVS_NAT_ATTR_IP_MIN] | |
865 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MIN]) | |
866 | : in6addr_any; | |
867 | ip6_max = a[OVS_NAT_ATTR_IP_MAX] | |
868 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MAX]) | |
869 | : in6addr_any; | |
870 | } | |
871 | proto_min = a[OVS_NAT_ATTR_PROTO_MIN] | |
872 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MIN]) : 0; | |
873 | proto_max = a[OVS_NAT_ATTR_PROTO_MAX] | |
874 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MAX]) : 0; | |
875 | ||
876 | if ((addr_len == sizeof(ovs_be32) | |
877 | && ip_max && ntohl(ip_min) > ntohl(ip_max)) | |
878 | || (addr_len == sizeof(struct in6_addr) | |
879 | && !ipv6_mask_is_any(&ip6_max) | |
880 | && memcmp(&ip6_min, &ip6_max, sizeof ip6_min) > 0) | |
881 | || (proto_max && proto_min > proto_max)) { | |
882 | ds_put_cstr(ds, "nat(range error)"); | |
883 | return; | |
884 | } | |
885 | ||
886 | ds_put_cstr(ds, "nat"); | |
887 | if (a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) { | |
888 | ds_put_char(ds, '('); | |
889 | if (a[OVS_NAT_ATTR_SRC]) { | |
890 | ds_put_cstr(ds, "src"); | |
891 | } else if (a[OVS_NAT_ATTR_DST]) { | |
892 | ds_put_cstr(ds, "dst"); | |
893 | } | |
894 | ||
895 | if (addr_len > 0) { | |
896 | ds_put_cstr(ds, "="); | |
897 | ||
898 | if (addr_len == sizeof ip_min) { | |
899 | ds_put_format(ds, IP_FMT, IP_ARGS(ip_min)); | |
900 | ||
901 | if (ip_max && ip_max != ip_min) { | |
902 | ds_put_format(ds, "-"IP_FMT, IP_ARGS(ip_max)); | |
903 | } | |
904 | } else if (addr_len == sizeof ip6_min) { | |
905 | ipv6_format_addr_bracket(&ip6_min, ds, proto_min); | |
906 | ||
907 | if (!ipv6_mask_is_any(&ip6_max) && | |
908 | memcmp(&ip6_max, &ip6_min, sizeof ip6_max) != 0) { | |
909 | ds_put_char(ds, '-'); | |
910 | ipv6_format_addr_bracket(&ip6_max, ds, proto_min); | |
911 | } | |
912 | } | |
913 | if (proto_min) { | |
914 | ds_put_format(ds, ":%"PRIu16, proto_min); | |
915 | ||
916 | if (proto_max && proto_max != proto_min) { | |
917 | ds_put_format(ds, "-%"PRIu16, proto_max); | |
918 | } | |
919 | } | |
920 | } | |
921 | ds_put_char(ds, ','); | |
922 | if (a[OVS_NAT_ATTR_PERSISTENT]) { | |
923 | ds_put_cstr(ds, "persistent,"); | |
924 | } | |
925 | if (a[OVS_NAT_ATTR_PROTO_HASH]) { | |
926 | ds_put_cstr(ds, "hash,"); | |
927 | } | |
928 | if (a[OVS_NAT_ATTR_PROTO_RANDOM]) { | |
929 | ds_put_cstr(ds, "random,"); | |
930 | } | |
931 | ds_chomp(ds, ','); | |
932 | ds_put_char(ds, ')'); | |
933 | } | |
934 | } | |
935 | ||
07659514 JS |
936 | static const struct nl_policy ovs_conntrack_policy[] = { |
937 | [OVS_CT_ATTR_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, | |
a76a37ef | 938 | [OVS_CT_ATTR_FORCE_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, |
07659514 | 939 | [OVS_CT_ATTR_ZONE] = { .type = NL_A_U16, .optional = true, }, |
8e53fe8c JS |
940 | [OVS_CT_ATTR_MARK] = { .type = NL_A_UNSPEC, .optional = true, |
941 | .min_len = sizeof(uint32_t) * 2 }, | |
9daf2348 JS |
942 | [OVS_CT_ATTR_LABELS] = { .type = NL_A_UNSPEC, .optional = true, |
943 | .min_len = sizeof(struct ovs_key_ct_labels) * 2 }, | |
d787ad39 JS |
944 | [OVS_CT_ATTR_HELPER] = { .type = NL_A_STRING, .optional = true, |
945 | .min_len = 1, .max_len = 16 }, | |
9ac0aada | 946 | [OVS_CT_ATTR_NAT] = { .type = NL_A_UNSPEC, .optional = true }, |
ebe62ec1 YHW |
947 | [OVS_CT_ATTR_TIMEOUT] = { .type = NL_A_STRING, .optional = true, |
948 | .min_len = 1, .max_len = 32 }, | |
07659514 JS |
949 | }; |
950 | ||
951 | static void | |
952 | format_odp_conntrack_action(struct ds *ds, const struct nlattr *attr) | |
953 | { | |
954 | struct nlattr *a[ARRAY_SIZE(ovs_conntrack_policy)]; | |
89cf41ec BP |
955 | const struct { |
956 | ovs_32aligned_u128 value; | |
957 | ovs_32aligned_u128 mask; | |
958 | } *label; | |
8e53fe8c | 959 | const uint32_t *mark; |
ebe62ec1 | 960 | const char *helper, *timeout; |
07659514 | 961 | uint16_t zone; |
a76a37ef | 962 | bool commit, force; |
9ac0aada | 963 | const struct nlattr *nat; |
07659514 JS |
964 | |
965 | if (!nl_parse_nested(attr, ovs_conntrack_policy, a, ARRAY_SIZE(a))) { | |
966 | ds_put_cstr(ds, "ct(error)"); | |
967 | return; | |
968 | } | |
969 | ||
970 | commit = a[OVS_CT_ATTR_COMMIT] ? true : false; | |
a76a37ef | 971 | force = a[OVS_CT_ATTR_FORCE_COMMIT] ? true : false; |
07659514 | 972 | zone = a[OVS_CT_ATTR_ZONE] ? nl_attr_get_u16(a[OVS_CT_ATTR_ZONE]) : 0; |
8e53fe8c | 973 | mark = a[OVS_CT_ATTR_MARK] ? nl_attr_get(a[OVS_CT_ATTR_MARK]) : NULL; |
9daf2348 | 974 | label = a[OVS_CT_ATTR_LABELS] ? nl_attr_get(a[OVS_CT_ATTR_LABELS]): NULL; |
d787ad39 | 975 | helper = a[OVS_CT_ATTR_HELPER] ? nl_attr_get(a[OVS_CT_ATTR_HELPER]) : NULL; |
ebe62ec1 YHW |
976 | timeout = a[OVS_CT_ATTR_TIMEOUT] ? |
977 | nl_attr_get(a[OVS_CT_ATTR_TIMEOUT]) : NULL; | |
9ac0aada | 978 | nat = a[OVS_CT_ATTR_NAT]; |
07659514 JS |
979 | |
980 | ds_put_format(ds, "ct"); | |
ebe62ec1 | 981 | if (commit || force || zone || mark || label || helper || timeout || nat) { |
07659514 JS |
982 | ds_put_cstr(ds, "("); |
983 | if (commit) { | |
984 | ds_put_format(ds, "commit,"); | |
985 | } | |
a76a37ef JR |
986 | if (force) { |
987 | ds_put_format(ds, "force_commit,"); | |
988 | } | |
07659514 JS |
989 | if (zone) { |
990 | ds_put_format(ds, "zone=%"PRIu16",", zone); | |
991 | } | |
8e53fe8c JS |
992 | if (mark) { |
993 | ds_put_format(ds, "mark=%#"PRIx32"/%#"PRIx32",", *mark, | |
994 | *(mark + 1)); | |
995 | } | |
9daf2348 JS |
996 | if (label) { |
997 | ds_put_format(ds, "label="); | |
89cf41ec | 998 | format_u128(ds, &label->value, &label->mask, true); |
121cf327 | 999 | ds_put_char(ds, ','); |
9daf2348 | 1000 | } |
d787ad39 JS |
1001 | if (helper) { |
1002 | ds_put_format(ds, "helper=%s,", helper); | |
1003 | } | |
ebe62ec1 YHW |
1004 | if (timeout) { |
1005 | ds_put_format(ds, "timeout=%s", timeout); | |
1006 | } | |
9ac0aada JR |
1007 | if (nat) { |
1008 | format_odp_ct_nat(ds, nat); | |
1009 | } | |
07659514 JS |
1010 | ds_chomp(ds, ','); |
1011 | ds_put_cstr(ds, ")"); | |
1012 | } | |
1013 | } | |
1014 | ||
81fdabb9 YY |
1015 | static const struct attr_len_tbl |
1016 | ovs_nsh_key_attr_lens[OVS_NSH_KEY_ATTR_MAX + 1] = { | |
1017 | [OVS_NSH_KEY_ATTR_BASE] = { .len = 8 }, | |
1018 | [OVS_NSH_KEY_ATTR_MD1] = { .len = 16 }, | |
1019 | [OVS_NSH_KEY_ATTR_MD2] = { .len = ATTR_LEN_VARIABLE }, | |
1020 | }; | |
1021 | ||
1022 | static void | |
1023 | format_odp_set_nsh(struct ds *ds, const struct nlattr *attr) | |
1024 | { | |
1025 | unsigned int left; | |
1026 | const struct nlattr *a; | |
1027 | struct ovs_key_nsh nsh; | |
1028 | struct ovs_key_nsh nsh_mask; | |
1029 | ||
1030 | memset(&nsh, 0, sizeof nsh); | |
1031 | memset(&nsh_mask, 0xff, sizeof nsh_mask); | |
1032 | ||
1033 | NL_NESTED_FOR_EACH (a, left, attr) { | |
1034 | enum ovs_nsh_key_attr type = nl_attr_type(a); | |
1035 | size_t len = nl_attr_get_size(a); | |
1036 | ||
1037 | if (type >= OVS_NSH_KEY_ATTR_MAX) { | |
1038 | return; | |
1039 | } | |
1040 | ||
1041 | int expected_len = ovs_nsh_key_attr_lens[type].len; | |
1042 | if ((expected_len != ATTR_LEN_VARIABLE) && (len != 2 * expected_len)) { | |
1043 | return; | |
1044 | } | |
1045 | ||
1046 | switch (type) { | |
1047 | case OVS_NSH_KEY_ATTR_UNSPEC: | |
1048 | break; | |
1049 | case OVS_NSH_KEY_ATTR_BASE: { | |
1050 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
1051 | const struct ovs_nsh_key_base *base_mask = base + 1; | |
1052 | memcpy(&nsh, base, sizeof(*base)); | |
1053 | memcpy(&nsh_mask, base_mask, sizeof(*base_mask)); | |
1054 | break; | |
1055 | } | |
1056 | case OVS_NSH_KEY_ATTR_MD1: { | |
1057 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
1058 | const struct ovs_nsh_key_md1 *md1_mask = md1 + 1; | |
1059 | memcpy(&nsh.context, &md1->context, sizeof(*md1)); | |
1060 | memcpy(&nsh_mask.context, &md1_mask->context, sizeof(*md1_mask)); | |
1061 | break; | |
1062 | } | |
1063 | case OVS_NSH_KEY_ATTR_MD2: | |
1064 | case __OVS_NSH_KEY_ATTR_MAX: | |
1065 | default: | |
1066 | /* No support for matching other metadata formats yet. */ | |
1067 | break; | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | ds_put_cstr(ds, "set(nsh("); | |
1072 | format_nsh_key_mask(ds, &nsh, &nsh_mask); | |
1073 | ds_put_cstr(ds, "))"); | |
1074 | } | |
1075 | ||
5b34f8fc NS |
1076 | static void |
1077 | format_odp_check_pkt_len_action(struct ds *ds, const struct nlattr *attr, | |
1078 | const struct hmap *portno_names OVS_UNUSED) | |
1079 | { | |
1080 | static const struct nl_policy ovs_cpl_policy[] = { | |
1081 | [OVS_CHECK_PKT_LEN_ATTR_PKT_LEN] = { .type = NL_A_U16 }, | |
1082 | [OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER] = { .type = NL_A_NESTED }, | |
1083 | [OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL] | |
1084 | = { .type = NL_A_NESTED }, | |
1085 | }; | |
1086 | struct nlattr *a[ARRAY_SIZE(ovs_cpl_policy)]; | |
1087 | ds_put_cstr(ds, "check_pkt_len"); | |
1088 | if (!nl_parse_nested(attr, ovs_cpl_policy, a, ARRAY_SIZE(a))) { | |
1089 | ds_put_cstr(ds, "(error)"); | |
1090 | return; | |
1091 | } | |
1092 | ||
1093 | if (!a[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER] || | |
1094 | !a[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL]) { | |
1095 | ds_put_cstr(ds, "(error)"); | |
1096 | return; | |
1097 | } | |
1098 | ||
1099 | uint16_t pkt_len = nl_attr_get_u16(a[OVS_CHECK_PKT_LEN_ATTR_PKT_LEN]); | |
1100 | ds_put_format(ds, "(size=%u,gt(", pkt_len); | |
1101 | const struct nlattr *acts; | |
1102 | acts = a[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER]; | |
1103 | format_odp_actions(ds, nl_attr_get(acts), nl_attr_get_size(acts), | |
1104 | portno_names); | |
1105 | ||
1106 | ds_put_cstr(ds, "),le("); | |
1107 | acts = a[OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL]; | |
1108 | format_odp_actions(ds, nl_attr_get(acts), nl_attr_get_size(acts), | |
1109 | portno_names); | |
1110 | ds_put_cstr(ds, "))"); | |
1111 | } | |
81fdabb9 | 1112 | |
4edb9ae9 | 1113 | static void |
0722f341 BP |
1114 | format_odp_action(struct ds *ds, const struct nlattr *a, |
1115 | const struct hmap *portno_names) | |
064af421 | 1116 | { |
98403001 | 1117 | int expected_len; |
4edb9ae9 | 1118 | enum ovs_action_attr type = nl_attr_type(a); |
6d670e7f | 1119 | size_t size; |
cdee00fd | 1120 | |
98403001 | 1121 | expected_len = odp_action_len(nl_attr_type(a)); |
6b8da9e9 JG |
1122 | if (expected_len != ATTR_LEN_VARIABLE && |
1123 | nl_attr_get_size(a) != expected_len) { | |
34582733 | 1124 | ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ", |
98403001 | 1125 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
1126 | format_generic_odp_action(ds, a); |
1127 | return; | |
1128 | } | |
1129 | ||
4edb9ae9 | 1130 | switch (type) { |
5dddf960 JR |
1131 | case OVS_ACTION_ATTR_METER: |
1132 | ds_put_format(ds, "meter(%"PRIu32")", nl_attr_get_u32(a)); | |
1133 | break; | |
df2c07f4 | 1134 | case OVS_ACTION_ATTR_OUTPUT: |
0722f341 | 1135 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); |
064af421 | 1136 | break; |
9df65060 VDA |
1137 | case OVS_ACTION_ATTR_LB_OUTPUT: |
1138 | ds_put_format(ds, "lb_output(%"PRIu32")", nl_attr_get_u32(a)); | |
1139 | break; | |
aaca4fe0 WT |
1140 | case OVS_ACTION_ATTR_TRUNC: { |
1141 | const struct ovs_action_trunc *trunc = | |
1142 | nl_attr_get_unspec(a, sizeof *trunc); | |
1143 | ||
1144 | ds_put_format(ds, "trunc(%"PRIu32")", trunc->max_len); | |
1145 | break; | |
1146 | } | |
a36de779 | 1147 | case OVS_ACTION_ATTR_TUNNEL_POP: |
0722f341 BP |
1148 | ds_put_cstr(ds, "tnl_pop("); |
1149 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
1150 | ds_put_char(ds, ')'); | |
a36de779 PS |
1151 | break; |
1152 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
0722f341 | 1153 | format_odp_tnl_push_action(ds, a, portno_names); |
a36de779 | 1154 | break; |
df2c07f4 | 1155 | case OVS_ACTION_ATTR_USERSPACE: |
0722f341 | 1156 | format_odp_userspace_action(ds, a, portno_names); |
064af421 | 1157 | break; |
572f732a | 1158 | case OVS_ACTION_ATTR_RECIRC: |
347bf289 AZ |
1159 | format_odp_recirc_action(ds, nl_attr_get_u32(a)); |
1160 | break; | |
1161 | case OVS_ACTION_ATTR_HASH: | |
1162 | format_odp_hash_action(ds, nl_attr_get(a)); | |
572f732a | 1163 | break; |
6d670e7f JR |
1164 | case OVS_ACTION_ATTR_SET_MASKED: |
1165 | a = nl_attr_get(a); | |
81fdabb9 YY |
1166 | /* OVS_KEY_ATTR_NSH is nested attribute, so it needs special process */ |
1167 | if (nl_attr_type(a) == OVS_KEY_ATTR_NSH) { | |
1168 | format_odp_set_nsh(ds, a); | |
1169 | break; | |
1170 | } | |
6d670e7f JR |
1171 | size = nl_attr_get_size(a) / 2; |
1172 | ds_put_cstr(ds, "set("); | |
1173 | ||
1174 | /* Masked set action not supported for tunnel key, which is bigger. */ | |
1175 | if (size <= sizeof(struct ovs_key_ipv6)) { | |
1176 | struct nlattr attr[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
1177 | sizeof(struct nlattr))]; | |
1178 | struct nlattr mask[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
1179 | sizeof(struct nlattr))]; | |
1180 | ||
1181 | mask->nla_type = attr->nla_type = nl_attr_type(a); | |
1182 | mask->nla_len = attr->nla_len = NLA_HDRLEN + size; | |
1183 | memcpy(attr + 1, (char *)(a + 1), size); | |
1184 | memcpy(mask + 1, (char *)(a + 1) + size, size); | |
2d18eae8 | 1185 | format_odp_key_attr(attr, mask, NULL, ds, false); |
6d670e7f | 1186 | } else { |
2d18eae8 | 1187 | format_odp_key_attr(a, NULL, NULL, ds, false); |
6d670e7f JR |
1188 | } |
1189 | ds_put_cstr(ds, ")"); | |
1190 | break; | |
4edb9ae9 PS |
1191 | case OVS_ACTION_ATTR_SET: |
1192 | ds_put_cstr(ds, "set("); | |
0a37839c | 1193 | format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true); |
4edb9ae9 | 1194 | ds_put_cstr(ds, ")"); |
6fcecb85 YY |
1195 | break; |
1196 | case OVS_ACTION_ATTR_PUSH_ETH: { | |
1197 | const struct ovs_action_push_eth *eth = nl_attr_get(a); | |
1198 | ds_put_format(ds, "push_eth(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")", | |
1199 | ETH_ADDR_ARGS(eth->addresses.eth_src), | |
1200 | ETH_ADDR_ARGS(eth->addresses.eth_dst)); | |
1201 | break; | |
1202 | } | |
1203 | case OVS_ACTION_ATTR_POP_ETH: | |
1204 | ds_put_cstr(ds, "pop_eth"); | |
064af421 | 1205 | break; |
66026437 SH |
1206 | case OVS_ACTION_ATTR_PUSH_VLAN: { |
1207 | const struct ovs_action_push_vlan *vlan = nl_attr_get(a); | |
fea393b1 BP |
1208 | ds_put_cstr(ds, "push_vlan("); |
1209 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
1210 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
1211 | } | |
2d18eae8 | 1212 | format_vlan_tci(ds, vlan->vlan_tci, OVS_BE16_MAX, false); |
8ddc056d | 1213 | ds_put_char(ds, ')'); |
064af421 | 1214 | break; |
66026437 | 1215 | } |
fea393b1 BP |
1216 | case OVS_ACTION_ATTR_POP_VLAN: |
1217 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 1218 | break; |
b02475c5 SH |
1219 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
1220 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
1221 | ds_put_cstr(ds, "push_mpls("); | |
1222 | format_mpls_lse(ds, mpls->mpls_lse); | |
1223 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
1224 | break; | |
1225 | } | |
1226 | case OVS_ACTION_ATTR_POP_MPLS: { | |
1227 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
1228 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
1229 | break; | |
1230 | } | |
6ff686f2 | 1231 | case OVS_ACTION_ATTR_SAMPLE: |
0722f341 | 1232 | format_odp_sample_action(ds, a, portno_names); |
6ff686f2 | 1233 | break; |
07659514 JS |
1234 | case OVS_ACTION_ATTR_CT: |
1235 | format_odp_conntrack_action(ds, a); | |
1236 | break; | |
1fe178d2 EG |
1237 | case OVS_ACTION_ATTR_CT_CLEAR: |
1238 | ds_put_cstr(ds, "ct_clear"); | |
1239 | break; | |
535e3acf | 1240 | case OVS_ACTION_ATTR_CLONE: |
0722f341 | 1241 | format_odp_clone_action(ds, a, portno_names); |
535e3acf | 1242 | break; |
f59cb331 YY |
1243 | case OVS_ACTION_ATTR_PUSH_NSH: { |
1244 | uint32_t buffer[NSH_HDR_MAX_LEN / 4]; | |
1245 | struct nsh_hdr *nsh_hdr = ALIGNED_CAST(struct nsh_hdr *, buffer); | |
1246 | nsh_reset_ver_flags_ttl_len(nsh_hdr); | |
1247 | odp_nsh_hdr_from_attr(nl_attr_get(a), nsh_hdr, NSH_HDR_MAX_LEN); | |
1248 | format_odp_push_nsh_action(ds, nsh_hdr); | |
1fc11c59 | 1249 | break; |
f59cb331 YY |
1250 | } |
1251 | case OVS_ACTION_ATTR_POP_NSH: | |
1252 | ds_put_cstr(ds, "pop_nsh()"); | |
1fc11c59 | 1253 | break; |
5b34f8fc NS |
1254 | case OVS_ACTION_ATTR_CHECK_PKT_LEN: |
1255 | format_odp_check_pkt_len_action(ds, a, portno_names); | |
1256 | break; | |
a13a0209 AT |
1257 | case OVS_ACTION_ATTR_DROP: |
1258 | ds_put_cstr(ds, "drop"); | |
1259 | break; | |
4edb9ae9 PS |
1260 | case OVS_ACTION_ATTR_UNSPEC: |
1261 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 1262 | default: |
cdee00fd | 1263 | format_generic_odp_action(ds, a); |
064af421 BP |
1264 | break; |
1265 | } | |
1266 | } | |
1267 | ||
1268 | void | |
cdee00fd | 1269 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
0722f341 | 1270 | size_t actions_len, const struct hmap *portno_names) |
064af421 | 1271 | { |
cdee00fd BP |
1272 | if (actions_len) { |
1273 | const struct nlattr *a; | |
1274 | unsigned int left; | |
1275 | ||
1276 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
1277 | if (a != actions) { | |
1278 | ds_put_char(ds, ','); | |
1279 | } | |
0722f341 | 1280 | format_odp_action(ds, a, portno_names); |
064af421 | 1281 | } |
cdee00fd | 1282 | if (left) { |
3a8cfc50 BP |
1283 | int i; |
1284 | ||
3476fce3 BP |
1285 | if (left == actions_len) { |
1286 | ds_put_cstr(ds, "<empty>"); | |
1287 | } | |
3a8cfc50 BP |
1288 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
1289 | for (i = 0; i < left; i++) { | |
1290 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
1291 | } | |
1292 | ds_put_char(ds, ')'); | |
cdee00fd BP |
1293 | } |
1294 | } else { | |
064af421 BP |
1295 | ds_put_cstr(ds, "drop"); |
1296 | } | |
1297 | } | |
7202cbe5 | 1298 | |
8b7ea2d4 | 1299 | /* Separate out parse_odp_userspace_action() function. */ |
7202cbe5 | 1300 | static int |
8b7ea2d4 | 1301 | parse_odp_userspace_action(const char *s, struct ofpbuf *actions) |
7202cbe5 | 1302 | { |
8b7ea2d4 | 1303 | uint32_t pid; |
8de6ff3e | 1304 | struct user_action_cookie cookie; |
8b7ea2d4 WZ |
1305 | struct ofpbuf buf; |
1306 | odp_port_t tunnel_out_port; | |
1307 | int n = -1; | |
1308 | void *user_data = NULL; | |
1309 | size_t user_data_size = 0; | |
7321bda3 | 1310 | bool include_actions = false; |
9d4e54c6 | 1311 | int res; |
8b7ea2d4 WZ |
1312 | |
1313 | if (!ovs_scan(s, "userspace(pid=%"SCNi32"%n", &pid, &n)) { | |
1314 | return -EINVAL; | |
7202cbe5 BP |
1315 | } |
1316 | ||
9d4e54c6 | 1317 | ofpbuf_init(&buf, 16); |
8de6ff3e | 1318 | memset(&cookie, 0, sizeof cookie); |
9d4e54c6 | 1319 | |
8de6ff3e JP |
1320 | user_data = &cookie; |
1321 | user_data_size = sizeof cookie; | |
7202cbe5 | 1322 | { |
c2c28dfd BP |
1323 | uint32_t output; |
1324 | uint32_t probability; | |
1325 | uint32_t collector_set_id; | |
1326 | uint32_t obs_domain_id; | |
1327 | uint32_t obs_point_id; | |
d39ec23d JP |
1328 | |
1329 | /* USER_ACTION_COOKIE_CONTROLLER. */ | |
1330 | uint8_t dont_send; | |
74c4530d | 1331 | uint8_t continuation; |
d39ec23d JP |
1332 | uint16_t reason; |
1333 | uint32_t recirc_id; | |
ab53fe8d | 1334 | uint64_t rule_cookie; |
d39ec23d JP |
1335 | uint16_t controller_id; |
1336 | uint16_t max_len; | |
1337 | ||
7202cbe5 | 1338 | int vid, pcp; |
8b7ea2d4 WZ |
1339 | int n1 = -1; |
1340 | if (ovs_scan(&s[n], ",sFlow(vid=%i," | |
1341 | "pcp=%i,output=%"SCNi32")%n", | |
1342 | &vid, &pcp, &output, &n1)) { | |
7202cbe5 BP |
1343 | uint16_t tci; |
1344 | ||
8b7ea2d4 | 1345 | n += n1; |
7202cbe5 BP |
1346 | tci = vid | (pcp << VLAN_PCP_SHIFT); |
1347 | if (tci) { | |
1348 | tci |= VLAN_CFI; | |
1349 | } | |
1350 | ||
1351 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
fcb9579b JP |
1352 | cookie.ofp_in_port = OFPP_NONE; |
1353 | cookie.ofproto_uuid = UUID_ZERO; | |
1673e0e4 BP |
1354 | cookie.sflow.vlan_tci = htons(tci); |
1355 | cookie.sflow.output = output; | |
2d18eae8 | 1356 | } else if (ovs_scan(&s[n], ",slow_path(%n", |
8b7ea2d4 | 1357 | &n1)) { |
8b7ea2d4 | 1358 | n += n1; |
6a7e895f | 1359 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; |
fcb9579b JP |
1360 | cookie.ofp_in_port = OFPP_NONE; |
1361 | cookie.ofproto_uuid = UUID_ZERO; | |
04594cd5 | 1362 | cookie.slow_path.reason = 0; |
6a7e895f | 1363 | |
8e4c1621 JG |
1364 | res = parse_odp_flags(&s[n], slow_path_reason_to_string, |
1365 | &cookie.slow_path.reason, | |
1366 | SLOW_PATH_REASON_MASK, NULL); | |
2d18eae8 | 1367 | if (res < 0 || s[n + res] != ')') { |
9d4e54c6 | 1368 | goto out; |
04594cd5 | 1369 | } |
2d18eae8 | 1370 | n += res + 1; |
8b7ea2d4 | 1371 | } else if (ovs_scan(&s[n], ",flow_sample(probability=%"SCNi32"," |
c2c28dfd BP |
1372 | "collector_set_id=%"SCNi32"," |
1373 | "obs_domain_id=%"SCNi32"," | |
f69f713b | 1374 | "obs_point_id=%"SCNi32"," |
4930ea56 | 1375 | "output_port=%"SCNi32"%n", |
8b7ea2d4 | 1376 | &probability, &collector_set_id, |
f69f713b BY |
1377 | &obs_domain_id, &obs_point_id, |
1378 | &output, &n1)) { | |
8b7ea2d4 | 1379 | n += n1; |
29089a54 RL |
1380 | |
1381 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
fcb9579b JP |
1382 | cookie.ofp_in_port = OFPP_NONE; |
1383 | cookie.ofproto_uuid = UUID_ZERO; | |
29089a54 RL |
1384 | cookie.flow_sample.probability = probability; |
1385 | cookie.flow_sample.collector_set_id = collector_set_id; | |
1386 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
1387 | cookie.flow_sample.obs_point_id = obs_point_id; | |
f69f713b | 1388 | cookie.flow_sample.output_odp_port = u32_to_odp(output); |
4930ea56 BP |
1389 | |
1390 | if (ovs_scan(&s[n], ",ingress%n", &n1)) { | |
1391 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_INGRESS; | |
1392 | n += n1; | |
1393 | } else if (ovs_scan(&s[n], ",egress%n", &n1)) { | |
1394 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_EGRESS; | |
1395 | n += n1; | |
1396 | } else { | |
1397 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_DEFAULT; | |
1398 | } | |
1399 | if (s[n] != ')') { | |
1400 | res = -EINVAL; | |
1401 | goto out; | |
1402 | } | |
1403 | n++; | |
8b7ea2d4 WZ |
1404 | } else if (ovs_scan(&s[n], ",ipfix(output_port=%"SCNi32")%n", |
1405 | &output, &n1) ) { | |
1406 | n += n1; | |
29089a54 | 1407 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
fcb9579b JP |
1408 | cookie.ofp_in_port = OFPP_NONE; |
1409 | cookie.ofproto_uuid = UUID_ZERO; | |
8b7ea2d4 | 1410 | cookie.ipfix.output_odp_port = u32_to_odp(output); |
d39ec23d JP |
1411 | } else if (ovs_scan(&s[n], ",controller(reason=%"SCNu16 |
1412 | ",dont_send=%"SCNu8 | |
74c4530d | 1413 | ",continuation=%"SCNu8 |
d39ec23d JP |
1414 | ",recirc_id=%"SCNu32 |
1415 | ",rule_cookie=%"SCNx64 | |
1416 | ",controller_id=%"SCNu16 | |
1417 | ",max_len=%"SCNu16")%n", | |
74c4530d JP |
1418 | &reason, &dont_send, &continuation, &recirc_id, |
1419 | &rule_cookie, &controller_id, &max_len, &n1)) { | |
d39ec23d JP |
1420 | n += n1; |
1421 | cookie.type = USER_ACTION_COOKIE_CONTROLLER; | |
1422 | cookie.ofp_in_port = OFPP_NONE; | |
1423 | cookie.ofproto_uuid = UUID_ZERO; | |
1424 | cookie.controller.dont_send = dont_send ? true : false; | |
74c4530d | 1425 | cookie.controller.continuation = continuation ? true : false; |
d39ec23d JP |
1426 | cookie.controller.reason = reason; |
1427 | cookie.controller.recirc_id = recirc_id; | |
1428 | put_32aligned_be64(&cookie.controller.rule_cookie, | |
1429 | htonll(rule_cookie)); | |
1430 | cookie.controller.controller_id = controller_id; | |
1431 | cookie.controller.max_len = max_len; | |
1432 | } else if (ovs_scan(&s[n], ",userdata(%n", &n1)) { | |
e995e3df BP |
1433 | char *end; |
1434 | ||
8b7ea2d4 | 1435 | n += n1; |
e995e3df | 1436 | end = ofpbuf_put_hex(&buf, &s[n], NULL); |
8b7ea2d4 | 1437 | if (end[0] != ')') { |
9d4e54c6 WT |
1438 | res = -EINVAL; |
1439 | goto out; | |
e995e3df | 1440 | } |
6fd6ed71 PS |
1441 | user_data = buf.data; |
1442 | user_data_size = buf.size; | |
8b7ea2d4 WZ |
1443 | n = (end + 1) - s; |
1444 | } | |
1445 | } | |
1446 | ||
7321bda3 NM |
1447 | { |
1448 | int n1 = -1; | |
1449 | if (ovs_scan(&s[n], ",actions%n", &n1)) { | |
1450 | n += n1; | |
1451 | include_actions = true; | |
1452 | } | |
1453 | } | |
1454 | ||
8b7ea2d4 WZ |
1455 | { |
1456 | int n1 = -1; | |
1457 | if (ovs_scan(&s[n], ",tunnel_out_port=%"SCNi32")%n", | |
1458 | &tunnel_out_port, &n1)) { | |
55f2b065 IM |
1459 | res = odp_put_userspace_action(pid, user_data, user_data_size, |
1460 | tunnel_out_port, include_actions, | |
1461 | actions, NULL); | |
1462 | if (!res) { | |
1463 | res = n + n1; | |
1464 | } | |
88fc5281 | 1465 | goto out; |
8b7ea2d4 | 1466 | } else if (s[n] == ')') { |
55f2b065 IM |
1467 | res = odp_put_userspace_action(pid, user_data, user_data_size, |
1468 | ODPP_NONE, include_actions, | |
1469 | actions, NULL); | |
1470 | if (!res) { | |
1471 | res = n + 1; | |
1472 | } | |
88fc5281 JS |
1473 | goto out; |
1474 | } | |
1475 | } | |
1476 | ||
1477 | { | |
1478 | struct ovs_action_push_eth push; | |
1479 | int eth_type = 0; | |
1480 | int n1 = -1; | |
1481 | ||
1482 | if (ovs_scan(&s[n], "push_eth(src="ETH_ADDR_SCAN_FMT"," | |
1483 | "dst="ETH_ADDR_SCAN_FMT",type=%i)%n", | |
1484 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_src), | |
1485 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_dst), | |
1486 | ð_type, &n1)) { | |
1487 | ||
1488 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_ETH, | |
1489 | &push, sizeof push); | |
1490 | ||
1491 | res = n + n1; | |
1492 | goto out; | |
8b7ea2d4 WZ |
1493 | } |
1494 | } | |
88fc5281 JS |
1495 | |
1496 | if (!strncmp(&s[n], "pop_eth", 7)) { | |
1497 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_ETH); | |
1498 | res = 7; | |
1499 | goto out; | |
1500 | } | |
1501 | ||
1502 | res = -EINVAL; | |
9d4e54c6 WT |
1503 | out: |
1504 | ofpbuf_uninit(&buf); | |
1505 | return res; | |
8b7ea2d4 WZ |
1506 | } |
1507 | ||
a36de779 PS |
1508 | static int |
1509 | ovs_parse_tnl_push(const char *s, struct ovs_action_push_tnl *data) | |
1510 | { | |
1511 | struct eth_header *eth; | |
1512 | struct ip_header *ip; | |
370e373b | 1513 | struct ovs_16aligned_ip6_hdr *ip6; |
a36de779 PS |
1514 | struct udp_header *udp; |
1515 | struct gre_base_hdr *greh; | |
7dc18ae9 WT |
1516 | struct erspan_base_hdr *ersh; |
1517 | struct erspan_md2 *md2; | |
285de6b2 | 1518 | uint16_t gre_proto, gre_flags, dl_type, udp_src, udp_dst, udp_csum, sid; |
a36de779 | 1519 | ovs_be32 sip, dip; |
7dc18ae9 | 1520 | uint32_t tnl_type = 0, header_len = 0, ip_len = 0, erspan_idx = 0; |
a36de779 PS |
1521 | void *l3, *l4; |
1522 | int n = 0; | |
7dc18ae9 | 1523 | uint8_t hwid, dir; |
3c6d05a0 WT |
1524 | uint32_t teid; |
1525 | uint8_t gtpu_flags, gtpu_msgtype; | |
a36de779 PS |
1526 | |
1527 | if (!ovs_scan_len(s, &n, "tnl_push(tnl_port(%"SCNi32"),", &data->tnl_port)) { | |
1528 | return -EINVAL; | |
1529 | } | |
1530 | eth = (struct eth_header *) data->header; | |
1620b7ea | 1531 | l3 = (struct ip_header *) (eth + 1); |
a36de779 | 1532 | ip = (struct ip_header *) l3; |
370e373b | 1533 | ip6 = (struct ovs_16aligned_ip6_hdr *) l3; |
a36de779 | 1534 | if (!ovs_scan_len(s, &n, "header(size=%"SCNi32",type=%"SCNi32"," |
9ac0aada JR |
1535 | "eth(dst="ETH_ADDR_SCAN_FMT",", |
1536 | &data->header_len, | |
1537 | &data->tnl_type, | |
1538 | ETH_ADDR_SCAN_ARGS(eth->eth_dst))) { | |
a36de779 PS |
1539 | return -EINVAL; |
1540 | } | |
1541 | ||
1542 | if (!ovs_scan_len(s, &n, "src="ETH_ADDR_SCAN_FMT",", | |
9ac0aada | 1543 | ETH_ADDR_SCAN_ARGS(eth->eth_src))) { |
a36de779 PS |
1544 | return -EINVAL; |
1545 | } | |
1546 | if (!ovs_scan_len(s, &n, "dl_type=0x%"SCNx16"),", &dl_type)) { | |
1547 | return -EINVAL; | |
1548 | } | |
1549 | eth->eth_type = htons(dl_type); | |
1550 | ||
370e373b TLSC |
1551 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
1552 | /* IPv4 */ | |
fa47c114 | 1553 | uint16_t ip_frag_off; |
285de6b2 | 1554 | memset(ip, 0, sizeof(*ip)); |
370e373b TLSC |
1555 | if (!ovs_scan_len(s, &n, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT",proto=%"SCNi8 |
1556 | ",tos=%"SCNi8",ttl=%"SCNi8",frag=0x%"SCNx16"),", | |
1557 | IP_SCAN_ARGS(&sip), | |
1558 | IP_SCAN_ARGS(&dip), | |
1559 | &ip->ip_proto, &ip->ip_tos, | |
fa47c114 | 1560 | &ip->ip_ttl, &ip_frag_off)) { |
370e373b TLSC |
1561 | return -EINVAL; |
1562 | } | |
1563 | put_16aligned_be32(&ip->ip_src, sip); | |
1564 | put_16aligned_be32(&ip->ip_dst, dip); | |
fa47c114 | 1565 | ip->ip_frag_off = htons(ip_frag_off); |
f210ce43 | 1566 | ip->ip_ihl_ver = IP_IHL_VER(5, 4); |
370e373b | 1567 | ip_len = sizeof *ip; |
285de6b2 | 1568 | ip->ip_csum = csum(ip, ip_len); |
370e373b TLSC |
1569 | } else { |
1570 | char sip6_s[IPV6_SCAN_LEN + 1]; | |
1571 | char dip6_s[IPV6_SCAN_LEN + 1]; | |
1572 | struct in6_addr sip6, dip6; | |
1573 | uint8_t tclass; | |
1574 | uint32_t label; | |
1575 | if (!ovs_scan_len(s, &n, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT | |
1576 | ",label=%i,proto=%"SCNi8",tclass=0x%"SCNx8 | |
1577 | ",hlimit=%"SCNi8"),", | |
1578 | sip6_s, dip6_s, &label, &ip6->ip6_nxt, | |
1579 | &tclass, &ip6->ip6_hlim) | |
1580 | || (label & ~IPV6_LABEL_MASK) != 0 | |
1581 | || inet_pton(AF_INET6, sip6_s, &sip6) != 1 | |
1582 | || inet_pton(AF_INET6, dip6_s, &dip6) != 1) { | |
1583 | return -EINVAL; | |
1584 | } | |
1585 | put_16aligned_be32(&ip6->ip6_flow, htonl(6 << 28) | | |
1586 | htonl(tclass << 20) | htonl(label)); | |
1587 | memcpy(&ip6->ip6_src, &sip6, sizeof(ip6->ip6_src)); | |
1588 | memcpy(&ip6->ip6_dst, &dip6, sizeof(ip6->ip6_dst)); | |
1589 | ip_len = sizeof *ip6; | |
a36de779 | 1590 | } |
a36de779 PS |
1591 | |
1592 | /* Tunnel header */ | |
370e373b | 1593 | l4 = ((uint8_t *) l3 + ip_len); |
a36de779 PS |
1594 | udp = (struct udp_header *) l4; |
1595 | greh = (struct gre_base_hdr *) l4; | |
8e45fe7c | 1596 | if (ovs_scan_len(s, &n, "udp(src=%"SCNi16",dst=%"SCNi16",csum=0x%"SCNx16"),", |
285de6b2 | 1597 | &udp_src, &udp_dst, &udp_csum)) { |
e5a1caee | 1598 | uint32_t vx_flags, vni; |
a36de779 PS |
1599 | |
1600 | udp->udp_src = htons(udp_src); | |
1601 | udp->udp_dst = htons(udp_dst); | |
1602 | udp->udp_len = 0; | |
285de6b2 | 1603 | udp->udp_csum = htons(udp_csum); |
a36de779 | 1604 | |
e066f78f | 1605 | if (ovs_scan_len(s, &n, "vxlan(flags=0x%"SCNx32",vni=0x%"SCNx32"))", |
9ac0aada | 1606 | &vx_flags, &vni)) { |
e066f78f JG |
1607 | struct vxlanhdr *vxh = (struct vxlanhdr *) (udp + 1); |
1608 | ||
1609 | put_16aligned_be32(&vxh->vx_flags, htonl(vx_flags)); | |
e5a1caee | 1610 | put_16aligned_be32(&vxh->vx_vni, htonl(vni << 8)); |
e066f78f | 1611 | tnl_type = OVS_VPORT_TYPE_VXLAN; |
370e373b | 1612 | header_len = sizeof *eth + ip_len + |
e066f78f | 1613 | sizeof *udp + sizeof *vxh; |
e5a1caee JG |
1614 | } else if (ovs_scan_len(s, &n, "geneve(")) { |
1615 | struct genevehdr *gnh = (struct genevehdr *) (udp + 1); | |
1616 | ||
46e7137c | 1617 | memset(gnh, 0, sizeof *gnh); |
370e373b | 1618 | header_len = sizeof *eth + ip_len + |
5bb08b0e JG |
1619 | sizeof *udp + sizeof *gnh; |
1620 | ||
e5a1caee JG |
1621 | if (ovs_scan_len(s, &n, "oam,")) { |
1622 | gnh->oam = 1; | |
1623 | } | |
5bb08b0e JG |
1624 | if (ovs_scan_len(s, &n, "crit,")) { |
1625 | gnh->critical = 1; | |
1626 | } | |
1627 | if (!ovs_scan_len(s, &n, "vni=%"SCNi32, &vni)) { | |
e5a1caee JG |
1628 | return -EINVAL; |
1629 | } | |
5bb08b0e JG |
1630 | if (ovs_scan_len(s, &n, ",options(")) { |
1631 | struct geneve_scan options; | |
1632 | int len; | |
1633 | ||
1634 | memset(&options, 0, sizeof options); | |
1635 | len = scan_geneve(s + n, &options, NULL); | |
1636 | if (!len) { | |
1637 | return -EINVAL; | |
1638 | } | |
1639 | ||
1640 | memcpy(gnh->options, options.d, options.len); | |
1641 | gnh->opt_len = options.len / 4; | |
1642 | header_len += options.len; | |
1643 | ||
1644 | n += len; | |
1645 | } | |
1646 | if (!ovs_scan_len(s, &n, "))")) { | |
1647 | return -EINVAL; | |
1648 | } | |
1649 | ||
e5a1caee JG |
1650 | gnh->proto_type = htons(ETH_TYPE_TEB); |
1651 | put_16aligned_be32(&gnh->vni, htonl(vni << 8)); | |
1652 | tnl_type = OVS_VPORT_TYPE_GENEVE; | |
e066f78f | 1653 | } else { |
a36de779 PS |
1654 | return -EINVAL; |
1655 | } | |
a36de779 | 1656 | } else if (ovs_scan_len(s, &n, "gre((flags=0x%"SCNx16",proto=0x%"SCNx16")", |
9ac0aada | 1657 | &gre_flags, &gre_proto)){ |
a36de779 | 1658 | |
3b10ceee GR |
1659 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
1660 | tnl_type = OVS_VPORT_TYPE_GRE; | |
1661 | } else { | |
1662 | tnl_type = OVS_VPORT_TYPE_IP6GRE; | |
1663 | } | |
e8fe6ad0 | 1664 | greh->flags = htons(gre_flags); |
a36de779 PS |
1665 | greh->protocol = htons(gre_proto); |
1666 | ovs_16aligned_be32 *options = (ovs_16aligned_be32 *) (greh + 1); | |
1667 | ||
1668 | if (greh->flags & htons(GRE_CSUM)) { | |
285de6b2 | 1669 | uint16_t csum; |
d804d31e | 1670 | if (!ovs_scan_len(s, &n, ",csum=0x%"SCNx16, &csum)) { |
a36de779 PS |
1671 | return -EINVAL; |
1672 | } | |
d804d31e JG |
1673 | |
1674 | memset(options, 0, sizeof *options); | |
1675 | *((ovs_be16 *)options) = htons(csum); | |
a36de779 PS |
1676 | options++; |
1677 | } | |
1678 | if (greh->flags & htons(GRE_KEY)) { | |
1679 | uint32_t key; | |
1680 | ||
1681 | if (!ovs_scan_len(s, &n, ",key=0x%"SCNx32, &key)) { | |
1682 | return -EINVAL; | |
1683 | } | |
1684 | ||
1685 | put_16aligned_be32(options, htonl(key)); | |
1686 | options++; | |
1687 | } | |
1688 | if (greh->flags & htons(GRE_SEQ)) { | |
1689 | uint32_t seq; | |
1690 | ||
1691 | if (!ovs_scan_len(s, &n, ",seq=0x%"SCNx32, &seq)) { | |
1692 | return -EINVAL; | |
1693 | } | |
1694 | put_16aligned_be32(options, htonl(seq)); | |
1695 | options++; | |
1696 | } | |
1697 | ||
1698 | if (!ovs_scan_len(s, &n, "))")) { | |
1699 | return -EINVAL; | |
1700 | } | |
1701 | ||
370e373b | 1702 | header_len = sizeof *eth + ip_len + |
a36de779 | 1703 | ((uint8_t *) options - (uint8_t *) greh); |
7dc18ae9 WT |
1704 | } else if (ovs_scan_len(s, &n, "erspan(ver=1,sid="SCNx16",idx=0x"SCNx32")", |
1705 | &sid, &erspan_idx)) { | |
1706 | ersh = ERSPAN_HDR(greh); | |
1707 | ovs_16aligned_be32 *index = ALIGNED_CAST(ovs_16aligned_be32 *, | |
1708 | ersh + 1); | |
1709 | ||
1710 | if (eth->eth_type == htons(ETH_TYPE_IP)) { | |
1711 | tnl_type = OVS_VPORT_TYPE_ERSPAN; | |
1712 | } else { | |
1713 | tnl_type = OVS_VPORT_TYPE_IP6ERSPAN; | |
1714 | } | |
1715 | ||
1716 | greh->flags = htons(GRE_SEQ); | |
1717 | greh->protocol = htons(ETH_TYPE_ERSPAN1); | |
1718 | ||
1719 | ersh->ver = 1; | |
1720 | set_sid(ersh, sid); | |
1721 | put_16aligned_be32(index, htonl(erspan_idx)); | |
1722 | ||
1723 | if (!ovs_scan_len(s, &n, ")")) { | |
1724 | return -EINVAL; | |
1725 | } | |
1726 | header_len = sizeof *eth + ip_len + ERSPAN_GREHDR_LEN + | |
1727 | sizeof *ersh + ERSPAN_V1_MDSIZE; | |
1728 | ||
1729 | } else if (ovs_scan_len(s, &n, "erspan(ver=2,sid="SCNx16"dir="SCNu8 | |
1730 | ",hwid=0x"SCNx8")", &sid, &dir, &hwid)) { | |
1731 | ||
1732 | ersh = ERSPAN_HDR(greh); | |
1733 | md2 = ALIGNED_CAST(struct erspan_md2 *, ersh + 1); | |
1734 | ||
1735 | if (eth->eth_type == htons(ETH_TYPE_IP)) { | |
1736 | tnl_type = OVS_VPORT_TYPE_ERSPAN; | |
1737 | } else { | |
1738 | tnl_type = OVS_VPORT_TYPE_IP6ERSPAN; | |
1739 | } | |
1740 | ||
1741 | greh->flags = htons(GRE_SEQ); | |
1742 | greh->protocol = htons(ETH_TYPE_ERSPAN2); | |
1743 | ||
1744 | ersh->ver = 2; | |
1745 | set_sid(ersh, sid); | |
1746 | set_hwid(md2, hwid); | |
1747 | md2->dir = dir; | |
1748 | ||
1749 | if (!ovs_scan_len(s, &n, ")")) { | |
1750 | return -EINVAL; | |
1751 | } | |
1752 | ||
1753 | header_len = sizeof *eth + ip_len + ERSPAN_GREHDR_LEN + | |
1754 | sizeof *ersh + ERSPAN_V2_MDSIZE; | |
3c6d05a0 WT |
1755 | |
1756 | } else if (ovs_scan_len(s, &n, "gtpu(flags=%"SCNi8",msgtype=%" | |
1757 | SCNu8",teid=0x%"SCNx32"))", | |
1758 | >pu_flags, >pu_msgtype, &teid)) { | |
1759 | struct gtpuhdr *gtph = (struct gtpuhdr *) (udp + 1); | |
1760 | ||
1761 | gtph->md.flags = gtpu_flags; | |
1762 | gtph->md.msgtype = gtpu_msgtype; | |
1763 | put_16aligned_be32(>ph->teid, htonl(teid)); | |
1764 | tnl_type = OVS_VPORT_TYPE_GTPU; | |
1765 | header_len = sizeof *eth + ip_len + | |
1766 | sizeof *udp + sizeof *gtph; | |
a36de779 PS |
1767 | } else { |
1768 | return -EINVAL; | |
1769 | } | |
1770 | ||
1771 | /* check tunnel meta data. */ | |
1772 | if (data->tnl_type != tnl_type) { | |
1773 | return -EINVAL; | |
1774 | } | |
1775 | if (data->header_len != header_len) { | |
1776 | return -EINVAL; | |
1777 | } | |
1778 | ||
1779 | /* Out port */ | |
1780 | if (!ovs_scan_len(s, &n, ",out_port(%"SCNi32"))", &data->out_port)) { | |
1781 | return -EINVAL; | |
1782 | } | |
1783 | ||
1784 | return n; | |
1785 | } | |
1786 | ||
9ac0aada JR |
1787 | struct ct_nat_params { |
1788 | bool snat; | |
1789 | bool dnat; | |
1790 | size_t addr_len; | |
1791 | union { | |
1792 | ovs_be32 ip; | |
1793 | struct in6_addr ip6; | |
1794 | } addr_min; | |
1795 | union { | |
1796 | ovs_be32 ip; | |
1797 | struct in6_addr ip6; | |
1798 | } addr_max; | |
1799 | uint16_t proto_min; | |
1800 | uint16_t proto_max; | |
1801 | bool persistent; | |
1802 | bool proto_hash; | |
1803 | bool proto_random; | |
1804 | }; | |
1805 | ||
1806 | static int | |
1807 | scan_ct_nat_range(const char *s, int *n, struct ct_nat_params *p) | |
1808 | { | |
1809 | if (ovs_scan_len(s, n, "=")) { | |
1810 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
1811 | struct in6_addr ipv6; | |
1812 | ||
1813 | if (ovs_scan_len(s, n, IP_SCAN_FMT, IP_SCAN_ARGS(&p->addr_min.ip))) { | |
1814 | p->addr_len = sizeof p->addr_min.ip; | |
1815 | if (ovs_scan_len(s, n, "-")) { | |
1816 | if (!ovs_scan_len(s, n, IP_SCAN_FMT, | |
1817 | IP_SCAN_ARGS(&p->addr_max.ip))) { | |
1818 | return -EINVAL; | |
1819 | } | |
1820 | } | |
1821 | } else if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1822 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1823 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1824 | p->addr_len = sizeof p->addr_min.ip6; | |
1825 | p->addr_min.ip6 = ipv6; | |
1826 | if (ovs_scan_len(s, n, "-")) { | |
1827 | if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1828 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1829 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1830 | p->addr_max.ip6 = ipv6; | |
1831 | } else { | |
1832 | return -EINVAL; | |
1833 | } | |
1834 | } | |
1835 | } else { | |
1836 | return -EINVAL; | |
1837 | } | |
1838 | if (ovs_scan_len(s, n, ":%"SCNu16, &p->proto_min)) { | |
1839 | if (ovs_scan_len(s, n, "-")) { | |
1840 | if (!ovs_scan_len(s, n, "%"SCNu16, &p->proto_max)) { | |
1841 | return -EINVAL; | |
1842 | } | |
1843 | } | |
1844 | } | |
1845 | } | |
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | static int | |
1850 | scan_ct_nat(const char *s, struct ct_nat_params *p) | |
1851 | { | |
1852 | int n = 0; | |
1853 | ||
1854 | if (ovs_scan_len(s, &n, "nat")) { | |
1855 | memset(p, 0, sizeof *p); | |
1856 | ||
1857 | if (ovs_scan_len(s, &n, "(")) { | |
1858 | char *end; | |
1859 | int end_n; | |
1860 | ||
1861 | end = strchr(s + n, ')'); | |
1862 | if (!end) { | |
1863 | return -EINVAL; | |
1864 | } | |
1865 | end_n = end - s; | |
1866 | ||
1867 | while (n < end_n) { | |
1868 | n += strspn(s + n, delimiters); | |
1869 | if (ovs_scan_len(s, &n, "src")) { | |
1870 | int err = scan_ct_nat_range(s, &n, p); | |
1871 | if (err) { | |
1872 | return err; | |
1873 | } | |
1874 | p->snat = true; | |
1875 | continue; | |
1876 | } | |
1877 | if (ovs_scan_len(s, &n, "dst")) { | |
1878 | int err = scan_ct_nat_range(s, &n, p); | |
1879 | if (err) { | |
1880 | return err; | |
1881 | } | |
1882 | p->dnat = true; | |
1883 | continue; | |
1884 | } | |
1885 | if (ovs_scan_len(s, &n, "persistent")) { | |
1886 | p->persistent = true; | |
1887 | continue; | |
1888 | } | |
1889 | if (ovs_scan_len(s, &n, "hash")) { | |
1890 | p->proto_hash = true; | |
1891 | continue; | |
1892 | } | |
1893 | if (ovs_scan_len(s, &n, "random")) { | |
1894 | p->proto_random = true; | |
1895 | continue; | |
1896 | } | |
1897 | return -EINVAL; | |
1898 | } | |
1899 | ||
1900 | if (p->snat && p->dnat) { | |
1901 | return -EINVAL; | |
1902 | } | |
1903 | if ((p->addr_len != 0 && | |
1904 | memcmp(&p->addr_max, &in6addr_any, p->addr_len) && | |
1905 | memcmp(&p->addr_max, &p->addr_min, p->addr_len) < 0) || | |
1906 | (p->proto_max && p->proto_max < p->proto_min)) { | |
1907 | return -EINVAL; | |
1908 | } | |
1909 | if (p->proto_hash && p->proto_random) { | |
1910 | return -EINVAL; | |
1911 | } | |
1912 | n++; | |
1913 | } | |
1914 | } | |
1915 | return n; | |
1916 | } | |
1917 | ||
1918 | static void | |
1919 | nl_msg_put_ct_nat(struct ct_nat_params *p, struct ofpbuf *actions) | |
1920 | { | |
1921 | size_t start = nl_msg_start_nested(actions, OVS_CT_ATTR_NAT); | |
1922 | ||
1923 | if (p->snat) { | |
1924 | nl_msg_put_flag(actions, OVS_NAT_ATTR_SRC); | |
1925 | } else if (p->dnat) { | |
1926 | nl_msg_put_flag(actions, OVS_NAT_ATTR_DST); | |
1927 | } else { | |
1928 | goto out; | |
1929 | } | |
1930 | if (p->addr_len != 0) { | |
1931 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MIN, &p->addr_min, | |
1932 | p->addr_len); | |
1933 | if (memcmp(&p->addr_max, &p->addr_min, p->addr_len) > 0) { | |
1934 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MAX, &p->addr_max, | |
1935 | p->addr_len); | |
1936 | } | |
1937 | if (p->proto_min) { | |
1938 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MIN, p->proto_min); | |
1939 | if (p->proto_max && p->proto_max > p->proto_min) { | |
1940 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MAX, p->proto_max); | |
1941 | } | |
1942 | } | |
1943 | if (p->persistent) { | |
1944 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PERSISTENT); | |
1945 | } | |
1946 | if (p->proto_hash) { | |
1947 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_HASH); | |
1948 | } | |
1949 | if (p->proto_random) { | |
1950 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_RANDOM); | |
1951 | } | |
1952 | } | |
1953 | out: | |
1954 | nl_msg_end_nested(actions, start); | |
1955 | } | |
1956 | ||
07659514 JS |
1957 | static int |
1958 | parse_conntrack_action(const char *s_, struct ofpbuf *actions) | |
1959 | { | |
1960 | const char *s = s_; | |
1961 | ||
1962 | if (ovs_scan(s, "ct")) { | |
ebe62ec1 YHW |
1963 | const char *helper = NULL, *timeout = NULL; |
1964 | size_t helper_len = 0, timeout_len = 0; | |
07659514 | 1965 | bool commit = false; |
a76a37ef | 1966 | bool force_commit = false; |
07659514 | 1967 | uint16_t zone = 0; |
8e53fe8c JS |
1968 | struct { |
1969 | uint32_t value; | |
1970 | uint32_t mask; | |
1971 | } ct_mark = { 0, 0 }; | |
9daf2348 JS |
1972 | struct { |
1973 | ovs_u128 value; | |
1974 | ovs_u128 mask; | |
1975 | } ct_label; | |
9ac0aada JR |
1976 | struct ct_nat_params nat_params; |
1977 | bool have_nat = false; | |
07659514 JS |
1978 | size_t start; |
1979 | char *end; | |
1980 | ||
9daf2348 JS |
1981 | memset(&ct_label, 0, sizeof(ct_label)); |
1982 | ||
07659514 JS |
1983 | s += 2; |
1984 | if (ovs_scan(s, "(")) { | |
1985 | s++; | |
9ac0aada | 1986 | find_end: |
07659514 JS |
1987 | end = strchr(s, ')'); |
1988 | if (!end) { | |
1989 | return -EINVAL; | |
1990 | } | |
1991 | ||
1992 | while (s != end) { | |
9ac0aada | 1993 | int n; |
07659514 JS |
1994 | |
1995 | s += strspn(s, delimiters); | |
1996 | if (ovs_scan(s, "commit%n", &n)) { | |
1997 | commit = true; | |
1998 | s += n; | |
1999 | continue; | |
2000 | } | |
a76a37ef JR |
2001 | if (ovs_scan(s, "force_commit%n", &n)) { |
2002 | force_commit = true; | |
2003 | s += n; | |
2004 | continue; | |
2005 | } | |
07659514 JS |
2006 | if (ovs_scan(s, "zone=%"SCNu16"%n", &zone, &n)) { |
2007 | s += n; | |
2008 | continue; | |
2009 | } | |
8e53fe8c JS |
2010 | if (ovs_scan(s, "mark=%"SCNx32"%n", &ct_mark.value, &n)) { |
2011 | s += n; | |
2012 | n = -1; | |
2013 | if (ovs_scan(s, "/%"SCNx32"%n", &ct_mark.mask, &n)) { | |
2014 | s += n; | |
2015 | } else { | |
2016 | ct_mark.mask = UINT32_MAX; | |
2017 | } | |
2018 | continue; | |
2019 | } | |
9daf2348 JS |
2020 | if (ovs_scan(s, "label=%n", &n)) { |
2021 | int retval; | |
2022 | ||
2023 | s += n; | |
2024 | retval = scan_u128(s, &ct_label.value, &ct_label.mask); | |
4e9c96f0 YS |
2025 | if (retval == 0) { |
2026 | return -EINVAL; | |
9daf2348 JS |
2027 | } |
2028 | s += retval; | |
2029 | continue; | |
2030 | } | |
d787ad39 JS |
2031 | if (ovs_scan(s, "helper=%n", &n)) { |
2032 | s += n; | |
2033 | helper_len = strcspn(s, delimiters_end); | |
2034 | if (!helper_len || helper_len > 15) { | |
2035 | return -EINVAL; | |
2036 | } | |
2037 | helper = s; | |
2038 | s += helper_len; | |
2039 | continue; | |
2040 | } | |
ebe62ec1 YHW |
2041 | if (ovs_scan(s, "timeout=%n", &n)) { |
2042 | s += n; | |
2043 | timeout_len = strcspn(s, delimiters_end); | |
2044 | if (!timeout_len || timeout_len > 31) { | |
2045 | return -EINVAL; | |
2046 | } | |
2047 | timeout = s; | |
2048 | s += timeout_len; | |
2049 | continue; | |
2050 | } | |
07659514 | 2051 | |
9ac0aada JR |
2052 | n = scan_ct_nat(s, &nat_params); |
2053 | if (n > 0) { | |
2054 | s += n; | |
2055 | have_nat = true; | |
2056 | ||
2057 | /* end points to the end of the nested, nat action. | |
2058 | * find the real end. */ | |
2059 | goto find_end; | |
2060 | } | |
2061 | /* Nothing matched. */ | |
07659514 JS |
2062 | return -EINVAL; |
2063 | } | |
2064 | s++; | |
2065 | } | |
a76a37ef JR |
2066 | if (commit && force_commit) { |
2067 | return -EINVAL; | |
2068 | } | |
07659514 JS |
2069 | |
2070 | start = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CT); | |
2071 | if (commit) { | |
2072 | nl_msg_put_flag(actions, OVS_CT_ATTR_COMMIT); | |
a76a37ef JR |
2073 | } else if (force_commit) { |
2074 | nl_msg_put_flag(actions, OVS_CT_ATTR_FORCE_COMMIT); | |
07659514 JS |
2075 | } |
2076 | if (zone) { | |
2077 | nl_msg_put_u16(actions, OVS_CT_ATTR_ZONE, zone); | |
2078 | } | |
8e53fe8c JS |
2079 | if (ct_mark.mask) { |
2080 | nl_msg_put_unspec(actions, OVS_CT_ATTR_MARK, &ct_mark, | |
2081 | sizeof(ct_mark)); | |
2082 | } | |
2ff8484b | 2083 | if (!ovs_u128_is_zero(ct_label.mask)) { |
9daf2348 JS |
2084 | nl_msg_put_unspec(actions, OVS_CT_ATTR_LABELS, &ct_label, |
2085 | sizeof ct_label); | |
2086 | } | |
d787ad39 JS |
2087 | if (helper) { |
2088 | nl_msg_put_string__(actions, OVS_CT_ATTR_HELPER, helper, | |
2089 | helper_len); | |
2090 | } | |
ebe62ec1 YHW |
2091 | if (timeout) { |
2092 | nl_msg_put_string__(actions, OVS_CT_ATTR_TIMEOUT, timeout, | |
2093 | timeout_len); | |
2094 | } | |
9ac0aada JR |
2095 | if (have_nat) { |
2096 | nl_msg_put_ct_nat(&nat_params, actions); | |
2097 | } | |
07659514 JS |
2098 | nl_msg_end_nested(actions, start); |
2099 | } | |
2100 | ||
2101 | return s - s_; | |
2102 | } | |
2103 | ||
f59cb331 | 2104 | static void |
17553f27 | 2105 | nsh_key_to_attr(struct ofpbuf *buf, const struct ovs_key_nsh *nsh, |
f59cb331 YY |
2106 | uint8_t * metadata, size_t md_size, |
2107 | bool is_mask) | |
2108 | { | |
2109 | size_t nsh_key_ofs; | |
2110 | struct ovs_nsh_key_base base; | |
2111 | ||
2112 | base.flags = nsh->flags; | |
17553f27 | 2113 | base.ttl = nsh->ttl; |
f59cb331 YY |
2114 | base.mdtype = nsh->mdtype; |
2115 | base.np = nsh->np; | |
17553f27 | 2116 | base.path_hdr = nsh->path_hdr; |
f59cb331 YY |
2117 | |
2118 | nsh_key_ofs = nl_msg_start_nested(buf, OVS_KEY_ATTR_NSH); | |
2119 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_BASE, &base, sizeof base); | |
2120 | ||
2121 | if (is_mask) { | |
2122 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD1, nsh->context, | |
2123 | sizeof nsh->context); | |
2124 | } else { | |
2125 | switch (nsh->mdtype) { | |
2126 | case NSH_M_TYPE1: | |
2127 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD1, nsh->context, | |
2128 | sizeof nsh->context); | |
2129 | break; | |
2130 | case NSH_M_TYPE2: | |
2131 | if (metadata && md_size > 0) { | |
2132 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD2, metadata, | |
2133 | md_size); | |
2134 | } | |
2135 | break; | |
2136 | default: | |
2137 | /* No match support for other MD formats yet. */ | |
2138 | break; | |
2139 | } | |
2140 | } | |
2141 | nl_msg_end_nested(buf, nsh_key_ofs); | |
2142 | } | |
2143 | ||
2144 | ||
1fc11c59 | 2145 | static int |
f59cb331 | 2146 | parse_odp_push_nsh_action(const char *s, struct ofpbuf *actions) |
1fc11c59 JS |
2147 | { |
2148 | int n = 0; | |
2149 | int ret = 0; | |
f59cb331 | 2150 | uint32_t spi = 0; |
17553f27 | 2151 | uint8_t si = 255; |
1fc11c59 | 2152 | uint32_t cd; |
17553f27 | 2153 | struct ovs_key_nsh nsh; |
f59cb331 YY |
2154 | uint8_t metadata[NSH_CTX_HDRS_MAX_LEN]; |
2155 | uint8_t md_size = 0; | |
1fc11c59 | 2156 | |
f59cb331 | 2157 | if (!ovs_scan_len(s, &n, "push_nsh(")) { |
1fc11c59 JS |
2158 | ret = -EINVAL; |
2159 | goto out; | |
2160 | } | |
2161 | ||
2162 | /* The default is NSH_M_TYPE1 */ | |
f59cb331 | 2163 | nsh.flags = 0; |
17553f27 | 2164 | nsh.ttl = 63; |
f59cb331 YY |
2165 | nsh.mdtype = NSH_M_TYPE1; |
2166 | nsh.np = NSH_P_ETHERNET; | |
17553f27 | 2167 | nsh.path_hdr = nsh_spi_si_to_path_hdr(0, 255); |
f59cb331 | 2168 | memset(nsh.context, 0, NSH_M_TYPE1_MDLEN); |
1fc11c59 JS |
2169 | |
2170 | for (;;) { | |
2171 | n += strspn(s + n, delimiters); | |
2172 | if (s[n] == ')') { | |
2173 | break; | |
2174 | } | |
2175 | ||
f59cb331 | 2176 | if (ovs_scan_len(s, &n, "flags=%"SCNi8, &nsh.flags)) { |
1fc11c59 JS |
2177 | continue; |
2178 | } | |
17553f27 YY |
2179 | if (ovs_scan_len(s, &n, "ttl=%"SCNi8, &nsh.ttl)) { |
2180 | continue; | |
2181 | } | |
f59cb331 YY |
2182 | if (ovs_scan_len(s, &n, "mdtype=%"SCNi8, &nsh.mdtype)) { |
2183 | switch (nsh.mdtype) { | |
1fc11c59 JS |
2184 | case NSH_M_TYPE1: |
2185 | /* This is the default format. */; | |
2186 | break; | |
2187 | case NSH_M_TYPE2: | |
2188 | /* Length will be updated later. */ | |
f59cb331 | 2189 | md_size = 0; |
1fc11c59 JS |
2190 | break; |
2191 | default: | |
2192 | ret = -EINVAL; | |
2193 | goto out; | |
2194 | } | |
2195 | continue; | |
2196 | } | |
f59cb331 | 2197 | if (ovs_scan_len(s, &n, "np=%"SCNi8, &nsh.np)) { |
1fc11c59 JS |
2198 | continue; |
2199 | } | |
2200 | if (ovs_scan_len(s, &n, "spi=0x%"SCNx32, &spi)) { | |
1fc11c59 JS |
2201 | continue; |
2202 | } | |
17553f27 | 2203 | if (ovs_scan_len(s, &n, "si=%"SCNi8, &si)) { |
1fc11c59 JS |
2204 | continue; |
2205 | } | |
f59cb331 | 2206 | if (nsh.mdtype == NSH_M_TYPE1) { |
1fc11c59 | 2207 | if (ovs_scan_len(s, &n, "c1=0x%"SCNx32, &cd)) { |
f59cb331 | 2208 | nsh.context[0] = htonl(cd); |
1fc11c59 JS |
2209 | continue; |
2210 | } | |
2211 | if (ovs_scan_len(s, &n, "c2=0x%"SCNx32, &cd)) { | |
f59cb331 | 2212 | nsh.context[1] = htonl(cd); |
1fc11c59 JS |
2213 | continue; |
2214 | } | |
2215 | if (ovs_scan_len(s, &n, "c3=0x%"SCNx32, &cd)) { | |
f59cb331 | 2216 | nsh.context[2] = htonl(cd); |
1fc11c59 JS |
2217 | continue; |
2218 | } | |
2219 | if (ovs_scan_len(s, &n, "c4=0x%"SCNx32, &cd)) { | |
f59cb331 | 2220 | nsh.context[3] = htonl(cd); |
1fc11c59 JS |
2221 | continue; |
2222 | } | |
2223 | } | |
f59cb331 | 2224 | else if (nsh.mdtype == NSH_M_TYPE2) { |
1fc11c59 JS |
2225 | struct ofpbuf b; |
2226 | char buf[512]; | |
7edef47b | 2227 | size_t mdlen, padding; |
33a3ee6b YS |
2228 | if (ovs_scan_len(s, &n, "md2=0x%511[0-9a-fA-F]", buf) |
2229 | && n/2 <= sizeof metadata) { | |
2230 | ofpbuf_use_stub(&b, metadata, sizeof metadata); | |
1fc11c59 | 2231 | ofpbuf_put_hex(&b, buf, &mdlen); |
7edef47b JS |
2232 | /* Pad metadata to 4 bytes. */ |
2233 | padding = PAD_SIZE(mdlen, 4); | |
2234 | if (padding > 0) { | |
2e38f13d | 2235 | ofpbuf_put_zeros(&b, padding); |
7edef47b | 2236 | } |
f59cb331 | 2237 | md_size = mdlen + padding; |
1fc11c59 | 2238 | ofpbuf_uninit(&b); |
99cf9959 | 2239 | continue; |
1fc11c59 | 2240 | } |
1fc11c59 | 2241 | } |
0884990e BP |
2242 | |
2243 | ret = -EINVAL; | |
2244 | goto out; | |
1fc11c59 JS |
2245 | } |
2246 | out: | |
f59cb331 | 2247 | if (ret >= 0) { |
17553f27 | 2248 | nsh.path_hdr = nsh_spi_si_to_path_hdr(spi, si); |
f59cb331 YY |
2249 | size_t offset = nl_msg_start_nested(actions, OVS_ACTION_ATTR_PUSH_NSH); |
2250 | nsh_key_to_attr(actions, &nsh, metadata, md_size, false); | |
2251 | nl_msg_end_nested(actions, offset); | |
2252 | ret = n; | |
1fc11c59 | 2253 | } |
f59cb331 | 2254 | return ret; |
1fc11c59 JS |
2255 | } |
2256 | ||
c37f7135 | 2257 | static int |
5fbe9d15 | 2258 | parse_action_list(struct parse_odp_context *context, const char *s, |
c37f7135 AZ |
2259 | struct ofpbuf *actions) |
2260 | { | |
2261 | int n = 0; | |
2262 | ||
2263 | for (;;) { | |
2264 | int retval; | |
2265 | ||
2266 | n += strspn(s + n, delimiters); | |
2267 | if (s[n] == ')') { | |
2268 | break; | |
2269 | } | |
5fbe9d15 | 2270 | retval = parse_odp_action(context, s + n, actions); |
c37f7135 AZ |
2271 | if (retval < 0) { |
2272 | return retval; | |
2273 | } | |
2274 | n += retval; | |
2275 | } | |
2276 | ||
692fc656 TA |
2277 | if (actions->size > UINT16_MAX) { |
2278 | return -EFBIG; | |
2279 | } | |
2280 | ||
c37f7135 AZ |
2281 | return n; |
2282 | } | |
2283 | ||
5fbe9d15 | 2284 | |
8b7ea2d4 | 2285 | static int |
5fbe9d15 | 2286 | parse_odp_action(struct parse_odp_context *context, const char *s, |
8b7ea2d4 | 2287 | struct ofpbuf *actions) |
5fbe9d15 TA |
2288 | { |
2289 | int retval; | |
2290 | ||
2291 | context->depth++; | |
2292 | ||
2293 | if (context->depth == MAX_ODP_NESTED) { | |
2294 | retval = -EINVAL; | |
2295 | } else { | |
2296 | retval = parse_odp_action__(context, s, actions); | |
2297 | } | |
2298 | ||
2299 | context->depth--; | |
2300 | ||
2301 | return retval; | |
2302 | } | |
2303 | ||
2304 | ||
2305 | static int | |
2306 | parse_odp_action__(struct parse_odp_context *context, const char *s, | |
2307 | struct ofpbuf *actions) | |
8b7ea2d4 WZ |
2308 | { |
2309 | { | |
2310 | uint32_t port; | |
2311 | int n; | |
2312 | ||
2313 | if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) { | |
2314 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); | |
2315 | return n; | |
7202cbe5 BP |
2316 | } |
2317 | } | |
2318 | ||
9df65060 VDA |
2319 | { |
2320 | uint32_t bond_id; | |
2321 | int n; | |
2322 | ||
2323 | if (ovs_scan(s, "lb_output(%"PRIu32")%n", &bond_id, &n)) { | |
2324 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_LB_OUTPUT, bond_id); | |
2325 | return n; | |
2326 | } | |
2327 | } | |
2328 | ||
aaca4fe0 WT |
2329 | { |
2330 | uint32_t max_len; | |
2331 | int n; | |
2332 | ||
2333 | if (ovs_scan(s, "trunc(%"SCNi32")%n", &max_len, &n)) { | |
2334 | struct ovs_action_trunc *trunc; | |
2335 | ||
2336 | trunc = nl_msg_put_unspec_uninit(actions, | |
2337 | OVS_ACTION_ATTR_TRUNC, sizeof *trunc); | |
2338 | trunc->max_len = max_len; | |
2339 | return n; | |
2340 | } | |
2341 | } | |
2342 | ||
5fbe9d15 | 2343 | if (context->port_names) { |
8b7ea2d4 WZ |
2344 | int len = strcspn(s, delimiters); |
2345 | struct simap_node *node; | |
2346 | ||
5fbe9d15 | 2347 | node = simap_find_len(context->port_names, s, len); |
8b7ea2d4 WZ |
2348 | if (node) { |
2349 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); | |
2350 | return len; | |
2351 | } | |
2352 | } | |
2353 | ||
d73803ca DDP |
2354 | { |
2355 | uint32_t recirc_id; | |
2356 | int n = -1; | |
2357 | ||
2358 | if (ovs_scan(s, "recirc(%"PRIu32")%n", &recirc_id, &n)) { | |
2359 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_RECIRC, recirc_id); | |
2360 | return n; | |
2361 | } | |
2362 | } | |
2363 | ||
8b7ea2d4 WZ |
2364 | if (!strncmp(s, "userspace(", 10)) { |
2365 | return parse_odp_userspace_action(s, actions); | |
2366 | } | |
2367 | ||
7202cbe5 BP |
2368 | if (!strncmp(s, "set(", 4)) { |
2369 | size_t start_ofs; | |
2370 | int retval; | |
c34a5515 BP |
2371 | struct nlattr mask[1024 / sizeof(struct nlattr)]; |
2372 | struct ofpbuf maskbuf = OFPBUF_STUB_INITIALIZER(mask); | |
6d670e7f JR |
2373 | struct nlattr *nested, *key; |
2374 | size_t size; | |
2375 | ||
7202cbe5 | 2376 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); |
5fbe9d15 | 2377 | retval = parse_odp_key_mask_attr(context, s + 4, actions, &maskbuf); |
7202cbe5 | 2378 | if (retval < 0) { |
c34a5515 | 2379 | ofpbuf_uninit(&maskbuf); |
7202cbe5 BP |
2380 | return retval; |
2381 | } | |
2382 | if (s[retval + 4] != ')') { | |
c34a5515 | 2383 | ofpbuf_uninit(&maskbuf); |
7202cbe5 BP |
2384 | return -EINVAL; |
2385 | } | |
6d670e7f JR |
2386 | |
2387 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
2388 | key = nested + 1; | |
2389 | ||
2390 | size = nl_attr_get_size(mask); | |
2391 | if (size == nl_attr_get_size(key)) { | |
2392 | /* Change to masked set action if not fully masked. */ | |
53cb9c3e | 2393 | if (!is_all_ones(mask + 1, size)) { |
34ed68a6 PB |
2394 | /* Remove padding of eariler key payload */ |
2395 | actions->size -= NLA_ALIGN(key->nla_len) - key->nla_len; | |
2396 | ||
2397 | /* Put mask payload right after key payload */ | |
6d670e7f JR |
2398 | key->nla_len += size; |
2399 | ofpbuf_put(actions, mask + 1, size); | |
34ed68a6 | 2400 | |
6d670e7f JR |
2401 | /* 'actions' may have been reallocated by ofpbuf_put(). */ |
2402 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
2403 | nested->nla_type = OVS_ACTION_ATTR_SET_MASKED; | |
2c022949 YS |
2404 | |
2405 | key = nested + 1; | |
2406 | /* Add new padding as needed */ | |
2407 | ofpbuf_put_zeros(actions, NLA_ALIGN(key->nla_len) - | |
2408 | key->nla_len); | |
6d670e7f JR |
2409 | } |
2410 | } | |
c34a5515 | 2411 | ofpbuf_uninit(&maskbuf); |
6d670e7f | 2412 | |
7202cbe5 BP |
2413 | nl_msg_end_nested(actions, start_ofs); |
2414 | return retval + 5; | |
2415 | } | |
2416 | ||
becffb86 BP |
2417 | { |
2418 | struct ovs_action_push_vlan push; | |
2419 | int tpid = ETH_TYPE_VLAN; | |
2420 | int vid, pcp; | |
2421 | int cfi = 1; | |
2422 | int n = -1; | |
7202cbe5 | 2423 | |
c2c28dfd BP |
2424 | if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) |
2425 | || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
2426 | &vid, &pcp, &cfi, &n) | |
2427 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
2428 | &tpid, &vid, &pcp, &n) | |
2429 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
2430 | &tpid, &vid, &pcp, &cfi, &n)) { | |
1a47405b YS |
2431 | if ((vid & ~(VLAN_VID_MASK >> VLAN_VID_SHIFT)) != 0 |
2432 | || (pcp & ~(VLAN_PCP_MASK >> VLAN_PCP_SHIFT)) != 0) { | |
2433 | return -EINVAL; | |
2434 | } | |
becffb86 BP |
2435 | push.vlan_tpid = htons(tpid); |
2436 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
2437 | | (pcp << VLAN_PCP_SHIFT) | |
2438 | | (cfi ? VLAN_CFI : 0)); | |
2439 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
2440 | &push, sizeof push); | |
2441 | ||
2442 | return n; | |
7202cbe5 | 2443 | } |
7202cbe5 BP |
2444 | } |
2445 | ||
becffb86 BP |
2446 | if (!strncmp(s, "pop_vlan", 8)) { |
2447 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
2448 | return 8; | |
7202cbe5 BP |
2449 | } |
2450 | ||
5dddf960 JR |
2451 | { |
2452 | unsigned long long int meter_id; | |
2453 | int n = -1; | |
2454 | ||
2455 | if (sscanf(s, "meter(%lli)%n", &meter_id, &n) > 0 && n > 0) { | |
2456 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_METER, meter_id); | |
2457 | return n; | |
2458 | } | |
2459 | } | |
2460 | ||
7202cbe5 BP |
2461 | { |
2462 | double percentage; | |
2463 | int n = -1; | |
2464 | ||
c2c28dfd BP |
2465 | if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) |
2466 | && percentage >= 0. && percentage <= 100.0) { | |
7202cbe5 BP |
2467 | size_t sample_ofs, actions_ofs; |
2468 | double probability; | |
2469 | ||
2470 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
2471 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
2472 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
2473 | (probability <= 0 ? 0 | |
2474 | : probability >= UINT32_MAX ? UINT32_MAX | |
2475 | : probability)); | |
2476 | ||
2477 | actions_ofs = nl_msg_start_nested(actions, | |
2478 | OVS_SAMPLE_ATTR_ACTIONS); | |
5fbe9d15 TA |
2479 | int retval = parse_action_list(context, s + n, actions); |
2480 | if (retval < 0) { | |
c37f7135 | 2481 | return retval; |
5fbe9d15 TA |
2482 | } |
2483 | ||
7202cbe5 | 2484 | |
c37f7135 | 2485 | n += retval; |
7202cbe5 BP |
2486 | nl_msg_end_nested(actions, actions_ofs); |
2487 | nl_msg_end_nested(actions, sample_ofs); | |
2488 | ||
2489 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
2490 | } | |
2491 | } | |
2492 | ||
c37f7135 AZ |
2493 | { |
2494 | if (!strncmp(s, "clone(", 6)) { | |
2495 | size_t actions_ofs; | |
2496 | int n = 6; | |
2497 | ||
2498 | actions_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CLONE); | |
5fbe9d15 | 2499 | int retval = parse_action_list(context, s + n, actions); |
c37f7135 AZ |
2500 | if (retval < 0) { |
2501 | return retval; | |
2502 | } | |
2503 | n += retval; | |
2504 | nl_msg_end_nested(actions, actions_ofs); | |
2505 | return n + 1; | |
2506 | } | |
2507 | } | |
2508 | ||
1fc11c59 | 2509 | { |
f59cb331 YY |
2510 | if (!strncmp(s, "push_nsh(", 9)) { |
2511 | int retval = parse_odp_push_nsh_action(s, actions); | |
1fc11c59 JS |
2512 | if (retval < 0) { |
2513 | return retval; | |
2514 | } | |
2515 | return retval + 1; | |
2516 | } | |
2517 | } | |
2518 | ||
2519 | { | |
2520 | int n; | |
f59cb331 YY |
2521 | if (ovs_scan(s, "pop_nsh()%n", &n)) { |
2522 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_NSH); | |
1fc11c59 JS |
2523 | return n; |
2524 | } | |
2525 | } | |
2526 | ||
a36de779 PS |
2527 | { |
2528 | uint32_t port; | |
2529 | int n; | |
2530 | ||
2531 | if (ovs_scan(s, "tnl_pop(%"SCNi32")%n", &port, &n)) { | |
2532 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_TUNNEL_POP, port); | |
2533 | return n; | |
2534 | } | |
2535 | } | |
2536 | ||
1fe178d2 EG |
2537 | { |
2538 | if (!strncmp(s, "ct_clear", 8)) { | |
2539 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_CT_CLEAR); | |
2540 | return 8; | |
2541 | } | |
2542 | } | |
2543 | ||
5b34f8fc NS |
2544 | { |
2545 | uint16_t pkt_len; | |
2546 | int n = -1; | |
2547 | if (ovs_scan(s, "check_pkt_len(size=%"SCNi16",gt(%n", &pkt_len, &n)) { | |
2548 | size_t cpl_ofs, actions_ofs; | |
2549 | cpl_ofs = nl_msg_start_nested(actions, | |
2550 | OVS_ACTION_ATTR_CHECK_PKT_LEN); | |
2551 | nl_msg_put_u16(actions, OVS_CHECK_PKT_LEN_ATTR_PKT_LEN, pkt_len); | |
2552 | actions_ofs = nl_msg_start_nested( | |
2553 | actions, OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER); | |
2554 | ||
2555 | int retval; | |
2556 | if (!strncasecmp(s + n, "drop", 4)) { | |
2557 | n += 4; | |
2558 | } else { | |
5fbe9d15 | 2559 | retval = parse_action_list(context, s + n, actions); |
5b34f8fc NS |
2560 | if (retval < 0) { |
2561 | return retval; | |
2562 | } | |
2563 | ||
2564 | n += retval; | |
2565 | } | |
2566 | nl_msg_end_nested(actions, actions_ofs); | |
2567 | retval = -1; | |
2568 | if (!ovs_scan(s + n, "),le(%n", &retval)) { | |
2569 | return -EINVAL; | |
2570 | } | |
2571 | n += retval; | |
2572 | ||
2573 | actions_ofs = nl_msg_start_nested( | |
2574 | actions, OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL); | |
2575 | if (!strncasecmp(s + n, "drop", 4)) { | |
2576 | n += 4; | |
2577 | } else { | |
5fbe9d15 | 2578 | retval = parse_action_list(context, s + n, actions); |
5b34f8fc NS |
2579 | if (retval < 0) { |
2580 | return retval; | |
2581 | } | |
2582 | n += retval; | |
2583 | } | |
2584 | nl_msg_end_nested(actions, actions_ofs); | |
2585 | nl_msg_end_nested(actions, cpl_ofs); | |
2586 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
2587 | } | |
2588 | } | |
2589 | ||
07659514 JS |
2590 | { |
2591 | int retval; | |
2592 | ||
2593 | retval = parse_conntrack_action(s, actions); | |
2594 | if (retval) { | |
2595 | return retval; | |
2596 | } | |
2597 | } | |
2598 | ||
a36de779 PS |
2599 | { |
2600 | struct ovs_action_push_tnl data; | |
2601 | int n; | |
2602 | ||
2603 | n = ovs_parse_tnl_push(s, &data); | |
2604 | if (n > 0) { | |
2605 | odp_put_tnl_push_action(actions, &data); | |
2606 | return n; | |
2607 | } else if (n < 0) { | |
2608 | return n; | |
2609 | } | |
2610 | } | |
5fbe9d15 | 2611 | |
7202cbe5 BP |
2612 | return -EINVAL; |
2613 | } | |
2614 | ||
2615 | /* Parses the string representation of datapath actions, in the format output | |
2616 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
2617 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
2618 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
2619 | * way, 'actions''s data might be reallocated. */ | |
2620 | int | |
44bac24b | 2621 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
2622 | struct ofpbuf *actions) |
2623 | { | |
2624 | size_t old_size; | |
2625 | ||
2626 | if (!strcasecmp(s, "drop")) { | |
a13a0209 | 2627 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_DROP, XLATE_OK); |
7202cbe5 BP |
2628 | return 0; |
2629 | } | |
2630 | ||
5fbe9d15 TA |
2631 | struct parse_odp_context context = (struct parse_odp_context) { |
2632 | .port_names = port_names, | |
2633 | }; | |
2634 | ||
6fd6ed71 | 2635 | old_size = actions->size; |
7202cbe5 BP |
2636 | for (;;) { |
2637 | int retval; | |
2638 | ||
2639 | s += strspn(s, delimiters); | |
2640 | if (!*s) { | |
2641 | return 0; | |
2642 | } | |
2643 | ||
5fbe9d15 TA |
2644 | retval = parse_odp_action(&context, s, actions); |
2645 | ||
7202cbe5 | 2646 | if (retval < 0 || !strchr(delimiters, s[retval])) { |
6fd6ed71 | 2647 | actions->size = old_size; |
7202cbe5 BP |
2648 | return -retval; |
2649 | } | |
2650 | s += retval; | |
2651 | } | |
2652 | ||
2653 | return 0; | |
2654 | } | |
14608a15 | 2655 | \f |
6b8da9e9 JG |
2656 | static const struct attr_len_tbl ovs_vxlan_ext_attr_lens[OVS_VXLAN_EXT_MAX + 1] = { |
2657 | [OVS_VXLAN_EXT_GBP] = { .len = 4 }, | |
2658 | }; | |
2659 | ||
2660 | static const struct attr_len_tbl ovs_tun_key_attr_lens[OVS_TUNNEL_KEY_ATTR_MAX + 1] = { | |
2661 | [OVS_TUNNEL_KEY_ATTR_ID] = { .len = 8 }, | |
2662 | [OVS_TUNNEL_KEY_ATTR_IPV4_SRC] = { .len = 4 }, | |
2663 | [OVS_TUNNEL_KEY_ATTR_IPV4_DST] = { .len = 4 }, | |
2664 | [OVS_TUNNEL_KEY_ATTR_TOS] = { .len = 1 }, | |
2665 | [OVS_TUNNEL_KEY_ATTR_TTL] = { .len = 1 }, | |
2666 | [OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT] = { .len = 0 }, | |
2667 | [OVS_TUNNEL_KEY_ATTR_CSUM] = { .len = 0 }, | |
2668 | [OVS_TUNNEL_KEY_ATTR_TP_SRC] = { .len = 2 }, | |
2669 | [OVS_TUNNEL_KEY_ATTR_TP_DST] = { .len = 2 }, | |
2670 | [OVS_TUNNEL_KEY_ATTR_OAM] = { .len = 0 }, | |
2671 | [OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS] = { .len = ATTR_LEN_VARIABLE }, | |
2672 | [OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS] = { .len = ATTR_LEN_NESTED, | |
2673 | .next = ovs_vxlan_ext_attr_lens , | |
2674 | .next_max = OVS_VXLAN_EXT_MAX}, | |
ffe4c74f JB |
2675 | [OVS_TUNNEL_KEY_ATTR_IPV6_SRC] = { .len = 16 }, |
2676 | [OVS_TUNNEL_KEY_ATTR_IPV6_DST] = { .len = 16 }, | |
98514eea | 2677 | [OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS] = { .len = ATTR_LEN_VARIABLE }, |
3c6d05a0 | 2678 | [OVS_TUNNEL_KEY_ATTR_GTPU_OPTS] = { .len = ATTR_LEN_VARIABLE }, |
6b8da9e9 JG |
2679 | }; |
2680 | ||
0aee3827 | 2681 | const struct attr_len_tbl ovs_flow_key_attr_lens[OVS_KEY_ATTR_MAX + 1] = { |
6b8da9e9 JG |
2682 | [OVS_KEY_ATTR_ENCAP] = { .len = ATTR_LEN_NESTED }, |
2683 | [OVS_KEY_ATTR_PRIORITY] = { .len = 4 }, | |
2684 | [OVS_KEY_ATTR_SKB_MARK] = { .len = 4 }, | |
2685 | [OVS_KEY_ATTR_DP_HASH] = { .len = 4 }, | |
2686 | [OVS_KEY_ATTR_RECIRC_ID] = { .len = 4 }, | |
2687 | [OVS_KEY_ATTR_TUNNEL] = { .len = ATTR_LEN_NESTED, | |
2688 | .next = ovs_tun_key_attr_lens, | |
2689 | .next_max = OVS_TUNNEL_KEY_ATTR_MAX }, | |
2690 | [OVS_KEY_ATTR_IN_PORT] = { .len = 4 }, | |
2691 | [OVS_KEY_ATTR_ETHERNET] = { .len = sizeof(struct ovs_key_ethernet) }, | |
2692 | [OVS_KEY_ATTR_VLAN] = { .len = 2 }, | |
2693 | [OVS_KEY_ATTR_ETHERTYPE] = { .len = 2 }, | |
2694 | [OVS_KEY_ATTR_MPLS] = { .len = ATTR_LEN_VARIABLE }, | |
2695 | [OVS_KEY_ATTR_IPV4] = { .len = sizeof(struct ovs_key_ipv4) }, | |
2696 | [OVS_KEY_ATTR_IPV6] = { .len = sizeof(struct ovs_key_ipv6) }, | |
2697 | [OVS_KEY_ATTR_TCP] = { .len = sizeof(struct ovs_key_tcp) }, | |
2698 | [OVS_KEY_ATTR_TCP_FLAGS] = { .len = 2 }, | |
2699 | [OVS_KEY_ATTR_UDP] = { .len = sizeof(struct ovs_key_udp) }, | |
2700 | [OVS_KEY_ATTR_SCTP] = { .len = sizeof(struct ovs_key_sctp) }, | |
2701 | [OVS_KEY_ATTR_ICMP] = { .len = sizeof(struct ovs_key_icmp) }, | |
2702 | [OVS_KEY_ATTR_ICMPV6] = { .len = sizeof(struct ovs_key_icmpv6) }, | |
2703 | [OVS_KEY_ATTR_ARP] = { .len = sizeof(struct ovs_key_arp) }, | |
2704 | [OVS_KEY_ATTR_ND] = { .len = sizeof(struct ovs_key_nd) }, | |
9b2b8497 | 2705 | [OVS_KEY_ATTR_ND_EXTENSIONS] = { .len = sizeof(struct ovs_key_nd_extensions) }, |
07659514 JS |
2706 | [OVS_KEY_ATTR_CT_STATE] = { .len = 4 }, |
2707 | [OVS_KEY_ATTR_CT_ZONE] = { .len = 2 }, | |
8e53fe8c | 2708 | [OVS_KEY_ATTR_CT_MARK] = { .len = 4 }, |
9daf2348 | 2709 | [OVS_KEY_ATTR_CT_LABELS] = { .len = sizeof(struct ovs_key_ct_labels) }, |
c30b4cea JR |
2710 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4] = { .len = sizeof(struct ovs_key_ct_tuple_ipv4) }, |
2711 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6] = { .len = sizeof(struct ovs_key_ct_tuple_ipv6) }, | |
beb75a40 | 2712 | [OVS_KEY_ATTR_PACKET_TYPE] = { .len = 4 }, |
f59cb331 YY |
2713 | [OVS_KEY_ATTR_NSH] = { .len = ATTR_LEN_NESTED, |
2714 | .next = ovs_nsh_key_attr_lens, | |
2715 | .next_max = OVS_NSH_KEY_ATTR_MAX }, | |
6b8da9e9 JG |
2716 | }; |
2717 | ||
36956a7d | 2718 | /* Returns the correct length of the payload for a flow key attribute of the |
6b8da9e9 JG |
2719 | * specified 'type', ATTR_LEN_INVALID if 'type' is unknown, ATTR_LEN_VARIABLE |
2720 | * if the attribute's payload is variable length, or ATTR_LEN_NESTED if the | |
2721 | * payload is a nested type. */ | |
36956a7d | 2722 | static int |
ce9c9b8b | 2723 | odp_key_attr_len(const struct attr_len_tbl tbl[], int max_type, uint16_t type) |
36956a7d | 2724 | { |
ce9c9b8b | 2725 | if (type > max_type) { |
6b8da9e9 | 2726 | return ATTR_LEN_INVALID; |
36956a7d BP |
2727 | } |
2728 | ||
6b8da9e9 | 2729 | return tbl[type].len; |
36956a7d BP |
2730 | } |
2731 | ||
36956a7d BP |
2732 | static void |
2733 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
2734 | { | |
2735 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
2736 | if (len) { |
2737 | const uint8_t *unspec; | |
2738 | unsigned int i; | |
2739 | ||
2740 | unspec = nl_attr_get(a); | |
2741 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
2742 | if (i) { |
2743 | ds_put_char(ds, ' '); | |
2744 | } | |
36956a7d BP |
2745 | ds_put_format(ds, "%02x", unspec[i]); |
2746 | } | |
36956a7d BP |
2747 | } |
2748 | } | |
2749 | ||
7257b535 BP |
2750 | static const char * |
2751 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
2752 | { | |
2753 | switch (type) { | |
2754 | case OVS_FRAG_TYPE_NONE: | |
2755 | return "no"; | |
2756 | case OVS_FRAG_TYPE_FIRST: | |
2757 | return "first"; | |
2758 | case OVS_FRAG_TYPE_LATER: | |
2759 | return "later"; | |
2760 | case __OVS_FRAG_TYPE_MAX: | |
2761 | default: | |
2762 | return "<error>"; | |
2763 | } | |
2764 | } | |
2765 | ||
f59cb331 YY |
2766 | enum odp_key_fitness |
2767 | odp_nsh_hdr_from_attr(const struct nlattr *attr, | |
2768 | struct nsh_hdr *nsh_hdr, size_t size) | |
2769 | { | |
2770 | unsigned int left; | |
2771 | const struct nlattr *a; | |
2772 | bool unknown = false; | |
2773 | uint8_t flags = 0; | |
17553f27 | 2774 | uint8_t ttl = 63; |
f59cb331 YY |
2775 | size_t mdlen = 0; |
2776 | bool has_md1 = false; | |
2777 | bool has_md2 = false; | |
2778 | ||
7587e1da YS |
2779 | memset(nsh_hdr, 0, size); |
2780 | ||
f59cb331 YY |
2781 | NL_NESTED_FOR_EACH (a, left, attr) { |
2782 | uint16_t type = nl_attr_type(a); | |
2783 | size_t len = nl_attr_get_size(a); | |
2784 | int expected_len = odp_key_attr_len(ovs_nsh_key_attr_lens, | |
2785 | OVS_NSH_KEY_ATTR_MAX, type); | |
2786 | ||
2787 | if (len != expected_len && expected_len >= 0) { | |
2788 | return ODP_FIT_ERROR; | |
2789 | } | |
2790 | ||
2791 | switch (type) { | |
2792 | case OVS_NSH_KEY_ATTR_BASE: { | |
2793 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
2794 | nsh_hdr->next_proto = base->np; | |
2795 | nsh_hdr->md_type = base->mdtype; | |
2796 | put_16aligned_be32(&nsh_hdr->path_hdr, base->path_hdr); | |
2797 | flags = base->flags; | |
17553f27 | 2798 | ttl = base->ttl; |
f59cb331 YY |
2799 | break; |
2800 | } | |
2801 | case OVS_NSH_KEY_ATTR_MD1: { | |
2802 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
2803 | struct nsh_md1_ctx *md1_dst = &nsh_hdr->md1; | |
2804 | has_md1 = true; | |
2805 | mdlen = nl_attr_get_size(a); | |
2806 | if ((mdlen + NSH_BASE_HDR_LEN != NSH_M_TYPE1_LEN) || | |
2807 | (mdlen + NSH_BASE_HDR_LEN > size)) { | |
2808 | return ODP_FIT_ERROR; | |
2809 | } | |
2810 | memcpy(md1_dst, md1, mdlen); | |
2811 | break; | |
2812 | } | |
2813 | case OVS_NSH_KEY_ATTR_MD2: { | |
2814 | struct nsh_md2_tlv *md2_dst = &nsh_hdr->md2; | |
2815 | const uint8_t *md2 = nl_attr_get(a); | |
2816 | has_md2 = true; | |
2817 | mdlen = nl_attr_get_size(a); | |
2818 | if (mdlen + NSH_BASE_HDR_LEN > size) { | |
2819 | return ODP_FIT_ERROR; | |
2820 | } | |
2821 | memcpy(md2_dst, md2, mdlen); | |
2822 | break; | |
2823 | } | |
2824 | default: | |
2825 | /* Allow this to show up as unexpected, if there are unknown | |
2826 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2827 | unknown = true; | |
2828 | break; | |
2829 | } | |
2830 | } | |
2831 | ||
2832 | if (unknown) { | |
2833 | return ODP_FIT_TOO_MUCH; | |
2834 | } | |
2835 | ||
2836 | if ((has_md1 && nsh_hdr->md_type != NSH_M_TYPE1) | |
2837 | || (has_md2 && nsh_hdr->md_type != NSH_M_TYPE2)) { | |
2838 | return ODP_FIT_ERROR; | |
2839 | } | |
2840 | ||
2841 | /* nsh header length = NSH_BASE_HDR_LEN + mdlen */ | |
17553f27 | 2842 | nsh_set_flags_ttl_len(nsh_hdr, flags, ttl, NSH_BASE_HDR_LEN + mdlen); |
f59cb331 YY |
2843 | |
2844 | return ODP_FIT_PERFECT; | |
2845 | } | |
2846 | ||
d40533fc BP |
2847 | /* Reports the error 'msg', which is formatted as with printf(). |
2848 | * | |
2849 | * If 'errorp' is nonnull, then some the wants the error report to come | |
2850 | * directly back to it, so the function stores the error message into '*errorp' | |
2851 | * (after first freeing it in case there's something there already). | |
2852 | * | |
2853 | * Otherwise, logs the message at WARN level, rate-limited. */ | |
2854 | static void OVS_PRINTF_FORMAT(3, 4) | |
2855 | odp_parse_error(struct vlog_rate_limit *rl, char **errorp, | |
2856 | const char *msg, ...) | |
2857 | { | |
2858 | if (OVS_UNLIKELY(errorp)) { | |
2859 | free(*errorp); | |
2860 | ||
2861 | va_list args; | |
2862 | va_start(args, msg); | |
2863 | *errorp = xvasprintf(msg, args); | |
2864 | va_end(args); | |
2865 | } else if (!VLOG_DROP_WARN(rl)) { | |
2866 | va_list args; | |
2867 | va_start(args, msg); | |
2868 | char *error = xvasprintf(msg, args); | |
2869 | va_end(args); | |
2870 | ||
2871 | VLOG_WARN("%s", error); | |
2872 | ||
2873 | free(error); | |
2874 | } | |
2875 | } | |
2876 | ||
2877 | /* Parses OVS_KEY_ATTR_NSH attribute 'attr' into 'nsh' and 'nsh_mask' and | |
569c3df2 IM |
2878 | * returns fitness. If the attribute is a key, 'is_mask' should be false; |
2879 | * if it is a mask, 'is_mask' should be true. If 'errorp' is nonnull and the | |
2880 | * function returns ODP_FIT_ERROR, stores a malloc()'d error message in | |
2881 | * '*errorp'. */ | |
2882 | static enum odp_key_fitness | |
2883 | odp_nsh_key_from_attr__(const struct nlattr *attr, bool is_mask, | |
2884 | struct ovs_key_nsh *nsh, struct ovs_key_nsh *nsh_mask, | |
2885 | char **errorp) | |
f59cb331 | 2886 | { |
d40533fc BP |
2887 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
2888 | if (errorp) { | |
2889 | *errorp = NULL; | |
2890 | } | |
2891 | ||
f59cb331 YY |
2892 | unsigned int left; |
2893 | const struct nlattr *a; | |
2894 | bool unknown = false; | |
2895 | bool has_md1 = false; | |
2896 | ||
2897 | NL_NESTED_FOR_EACH (a, left, attr) { | |
2898 | uint16_t type = nl_attr_type(a); | |
2899 | size_t len = nl_attr_get_size(a); | |
2900 | int expected_len = odp_key_attr_len(ovs_nsh_key_attr_lens, | |
2901 | OVS_NSH_KEY_ATTR_MAX, type); | |
d40533fc BP |
2902 | if (expected_len) { |
2903 | if (nsh_mask) { | |
2904 | expected_len *= 2; | |
2905 | } | |
2906 | if (len != expected_len) { | |
2907 | odp_parse_error(&rl, errorp, "NSH %s attribute %"PRIu16" " | |
2908 | "should have length %d but actually has " | |
2909 | "%"PRIuSIZE, | |
2910 | nsh_mask ? "mask" : "key", | |
2911 | type, expected_len, len); | |
2912 | return ODP_FIT_ERROR; | |
2913 | } | |
f59cb331 YY |
2914 | } |
2915 | ||
2916 | switch (type) { | |
81fdabb9 YY |
2917 | case OVS_NSH_KEY_ATTR_UNSPEC: |
2918 | break; | |
f59cb331 YY |
2919 | case OVS_NSH_KEY_ATTR_BASE: { |
2920 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
2921 | nsh->flags = base->flags; | |
17553f27 | 2922 | nsh->ttl = base->ttl; |
f59cb331 YY |
2923 | nsh->mdtype = base->mdtype; |
2924 | nsh->np = base->np; | |
17553f27 | 2925 | nsh->path_hdr = base->path_hdr; |
81fdabb9 YY |
2926 | if (nsh_mask && (len == 2 * sizeof(*base))) { |
2927 | const struct ovs_nsh_key_base *base_mask = base + 1; | |
2928 | nsh_mask->flags = base_mask->flags; | |
2929 | nsh_mask->ttl = base_mask->ttl; | |
2930 | nsh_mask->mdtype = base_mask->mdtype; | |
2931 | nsh_mask->np = base_mask->np; | |
2932 | nsh_mask->path_hdr = base_mask->path_hdr; | |
2933 | } | |
f59cb331 YY |
2934 | break; |
2935 | } | |
2936 | case OVS_NSH_KEY_ATTR_MD1: { | |
2937 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
2938 | has_md1 = true; | |
2939 | memcpy(nsh->context, md1->context, sizeof md1->context); | |
81fdabb9 YY |
2940 | if (len == 2 * sizeof(*md1)) { |
2941 | const struct ovs_nsh_key_md1 *md1_mask = md1 + 1; | |
2942 | memcpy(nsh_mask->context, md1_mask->context, | |
2943 | sizeof(*md1_mask)); | |
2944 | } | |
f59cb331 YY |
2945 | break; |
2946 | } | |
2947 | case OVS_NSH_KEY_ATTR_MD2: | |
2948 | default: | |
2949 | /* Allow this to show up as unexpected, if there are unknown | |
2950 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2951 | unknown = true; | |
2952 | break; | |
2953 | } | |
2954 | } | |
2955 | ||
2956 | if (unknown) { | |
2957 | return ODP_FIT_TOO_MUCH; | |
2958 | } | |
2959 | ||
569c3df2 | 2960 | if (!is_mask && has_md1 && nsh->mdtype != NSH_M_TYPE1 && !nsh_mask) { |
d40533fc BP |
2961 | odp_parse_error(&rl, errorp, "OVS_NSH_KEY_ATTR_MD1 present but " |
2962 | "declared mdtype %"PRIu8" is not %d (NSH_M_TYPE1)", | |
2963 | nsh->mdtype, NSH_M_TYPE1); | |
f59cb331 YY |
2964 | return ODP_FIT_ERROR; |
2965 | } | |
2966 | ||
2967 | return ODP_FIT_PERFECT; | |
2968 | } | |
2969 | ||
569c3df2 IM |
2970 | /* Parses OVS_KEY_ATTR_NSH attribute 'attr' into 'nsh' and 'nsh_mask' and |
2971 | * returns fitness. The attribute should be a key (not a mask). If 'errorp' | |
2972 | * is nonnull and the function returns ODP_FIT_ERROR, stores a malloc()'d error | |
2973 | * message in '*errorp'. */ | |
2974 | enum odp_key_fitness | |
2975 | odp_nsh_key_from_attr(const struct nlattr *attr, struct ovs_key_nsh *nsh, | |
2976 | struct ovs_key_nsh *nsh_mask, char **errorp) | |
2977 | { | |
2978 | return odp_nsh_key_from_attr__(attr, false, nsh, nsh_mask, errorp); | |
2979 | } | |
2980 | ||
d40533fc BP |
2981 | /* Parses OVS_KEY_ATTR_TUNNEL attribute 'attr' into 'tun' and returns fitness. |
2982 | * If the attribute is a key, 'is_mask' should be false; if it is a mask, | |
2983 | * 'is_mask' should be true. If 'errorp' is nonnull and the function returns | |
2984 | * ODP_FIT_ERROR, stores a malloc()'d error message in '*errorp'. */ | |
ec1f6f32 | 2985 | static enum odp_key_fitness |
8d8ab6c2 | 2986 | odp_tun_key_from_attr__(const struct nlattr *attr, bool is_mask, |
d40533fc | 2987 | struct flow_tnl *tun, char **errorp) |
9b405f1a | 2988 | { |
d40533fc | 2989 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
9b405f1a PS |
2990 | unsigned int left; |
2991 | const struct nlattr *a; | |
2992 | bool ttl = false; | |
2993 | bool unknown = false; | |
2994 | ||
2995 | NL_NESTED_FOR_EACH(a, left, attr) { | |
2996 | uint16_t type = nl_attr_type(a); | |
2997 | size_t len = nl_attr_get_size(a); | |
6b8da9e9 JG |
2998 | int expected_len = odp_key_attr_len(ovs_tun_key_attr_lens, |
2999 | OVS_TUNNEL_ATTR_MAX, type); | |
9b405f1a PS |
3000 | |
3001 | if (len != expected_len && expected_len >= 0) { | |
d40533fc BP |
3002 | odp_parse_error(&rl, errorp, "tunnel key attribute %"PRIu16" " |
3003 | "should have length %d but actually has %"PRIuSIZE, | |
3004 | type, expected_len, len); | |
9b405f1a PS |
3005 | return ODP_FIT_ERROR; |
3006 | } | |
3007 | ||
3008 | switch (type) { | |
3009 | case OVS_TUNNEL_KEY_ATTR_ID: | |
3010 | tun->tun_id = nl_attr_get_be64(a); | |
3011 | tun->flags |= FLOW_TNL_F_KEY; | |
3012 | break; | |
3013 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
3014 | tun->ip_src = nl_attr_get_be32(a); | |
3015 | break; | |
3016 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
3017 | tun->ip_dst = nl_attr_get_be32(a); | |
3018 | break; | |
ffe4c74f JB |
3019 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: |
3020 | tun->ipv6_src = nl_attr_get_in6_addr(a); | |
3021 | break; | |
3022 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: | |
3023 | tun->ipv6_dst = nl_attr_get_in6_addr(a); | |
3024 | break; | |
9b405f1a PS |
3025 | case OVS_TUNNEL_KEY_ATTR_TOS: |
3026 | tun->ip_tos = nl_attr_get_u8(a); | |
3027 | break; | |
3028 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
3029 | tun->ip_ttl = nl_attr_get_u8(a); | |
3030 | ttl = true; | |
3031 | break; | |
3032 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
3033 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
3034 | break; | |
3035 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
3036 | tun->flags |= FLOW_TNL_F_CSUM; | |
3037 | break; | |
8b7ea2d4 WZ |
3038 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: |
3039 | tun->tp_src = nl_attr_get_be16(a); | |
3040 | break; | |
3041 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
3042 | tun->tp_dst = nl_attr_get_be16(a); | |
3043 | break; | |
94872594 JG |
3044 | case OVS_TUNNEL_KEY_ATTR_OAM: |
3045 | tun->flags |= FLOW_TNL_F_OAM; | |
3046 | break; | |
ac6073e3 MC |
3047 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: { |
3048 | static const struct nl_policy vxlan_opts_policy[] = { | |
3049 | [OVS_VXLAN_EXT_GBP] = { .type = NL_A_U32 }, | |
3050 | }; | |
3051 | struct nlattr *ext[ARRAY_SIZE(vxlan_opts_policy)]; | |
3052 | ||
3053 | if (!nl_parse_nested(a, vxlan_opts_policy, ext, ARRAY_SIZE(ext))) { | |
d40533fc | 3054 | odp_parse_error(&rl, errorp, "error parsing VXLAN options"); |
ac6073e3 MC |
3055 | return ODP_FIT_ERROR; |
3056 | } | |
3057 | ||
3058 | if (ext[OVS_VXLAN_EXT_GBP]) { | |
3059 | uint32_t gbp = nl_attr_get_u32(ext[OVS_VXLAN_EXT_GBP]); | |
3060 | ||
3061 | tun->gbp_id = htons(gbp & 0xFFFF); | |
3062 | tun->gbp_flags = (gbp >> 16) & 0xFF; | |
3063 | } | |
3064 | ||
3065 | break; | |
3066 | } | |
9558d2a5 | 3067 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: |
8d8ab6c2 | 3068 | tun_metadata_from_geneve_nlattr(a, is_mask, tun); |
c1fc1411 | 3069 | break; |
98514eea | 3070 | case OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS: { |
5062a040 | 3071 | const struct erspan_metadata *opts = nl_attr_get(a); |
98514eea | 3072 | |
5062a040 | 3073 | tun->erspan_ver = opts->version; |
98514eea | 3074 | if (tun->erspan_ver == 1) { |
5062a040 | 3075 | tun->erspan_idx = ntohl(opts->u.index); |
98514eea | 3076 | } else if (tun->erspan_ver == 2) { |
5062a040 WT |
3077 | tun->erspan_dir = opts->u.md2.dir; |
3078 | tun->erspan_hwid = get_hwid(&opts->u.md2); | |
98514eea WT |
3079 | } else { |
3080 | VLOG_WARN("%s invalid erspan version\n", __func__); | |
3081 | } | |
3082 | break; | |
3083 | } | |
3c6d05a0 WT |
3084 | case OVS_TUNNEL_KEY_ATTR_GTPU_OPTS: { |
3085 | const struct gtpu_metadata *opts = nl_attr_get(a); | |
3086 | ||
3087 | tun->gtpu_flags = opts->flags; | |
3088 | tun->gtpu_msgtype = opts->msgtype; | |
3089 | break; | |
3090 | } | |
9558d2a5 | 3091 | |
9b405f1a PS |
3092 | default: |
3093 | /* Allow this to show up as unexpected, if there are unknown | |
3094 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
3095 | unknown = true; | |
3096 | break; | |
3097 | } | |
3098 | } | |
3099 | ||
3100 | if (!ttl) { | |
d40533fc | 3101 | odp_parse_error(&rl, errorp, "tunnel options missing TTL"); |
9b405f1a PS |
3102 | return ODP_FIT_ERROR; |
3103 | } | |
3104 | if (unknown) { | |
758c456d | 3105 | return ODP_FIT_TOO_MUCH; |
9b405f1a PS |
3106 | } |
3107 | return ODP_FIT_PERFECT; | |
3108 | } | |
3109 | ||
d40533fc BP |
3110 | /* Parses OVS_KEY_ATTR_TUNNEL key attribute 'attr' into 'tun' and returns |
3111 | * fitness. The attribute should be a key (not a mask). If 'errorp' is | |
3112 | * nonnull, stores NULL into '*errorp' on success, otherwise a malloc()'d error | |
3113 | * message. */ | |
ec1f6f32 | 3114 | enum odp_key_fitness |
d40533fc BP |
3115 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun, |
3116 | char **errorp) | |
ec1f6f32 | 3117 | { |
d40533fc BP |
3118 | if (errorp) { |
3119 | *errorp = NULL; | |
3120 | } | |
35303d71 | 3121 | memset(tun, 0, sizeof *tun); |
d40533fc | 3122 | return odp_tun_key_from_attr__(attr, false, tun, errorp); |
ec1f6f32 JG |
3123 | } |
3124 | ||
9b405f1a | 3125 | static void |
ec1f6f32 | 3126 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key, |
9558d2a5 | 3127 | const struct flow_tnl *tun_flow_key, |
c6d87201 | 3128 | const struct ofpbuf *key_buf, const char *tnl_type) |
9b405f1a PS |
3129 | { |
3130 | size_t tun_key_ofs; | |
3131 | ||
3132 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
3133 | ||
27a8cbbc BP |
3134 | /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */ |
3135 | if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) { | |
9b405f1a PS |
3136 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); |
3137 | } | |
3138 | if (tun_key->ip_src) { | |
3139 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
3140 | } | |
3141 | if (tun_key->ip_dst) { | |
3142 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
3143 | } | |
ffe4c74f JB |
3144 | if (ipv6_addr_is_set(&tun_key->ipv6_src)) { |
3145 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_SRC, &tun_key->ipv6_src); | |
3146 | } | |
3147 | if (ipv6_addr_is_set(&tun_key->ipv6_dst)) { | |
3148 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_DST, &tun_key->ipv6_dst); | |
3149 | } | |
9b405f1a PS |
3150 | if (tun_key->ip_tos) { |
3151 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
3152 | } | |
3153 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
3154 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
3155 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
3156 | } | |
3157 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
3158 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
3159 | } | |
8b7ea2d4 WZ |
3160 | if (tun_key->tp_src) { |
3161 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_SRC, tun_key->tp_src); | |
3162 | } | |
3163 | if (tun_key->tp_dst) { | |
3164 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_DST, tun_key->tp_dst); | |
3165 | } | |
94872594 JG |
3166 | if (tun_key->flags & FLOW_TNL_F_OAM) { |
3167 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
3168 | } | |
c6d87201 WT |
3169 | |
3170 | /* If tnl_type is set to a particular type of output tunnel, | |
3171 | * only put its relevant tunnel metadata to the nlattr. | |
3172 | * If tnl_type is NULL, put tunnel metadata according to the | |
3173 | * 'tun_key'. | |
3174 | */ | |
3175 | if ((!tnl_type || !strcmp(tnl_type, "vxlan")) && | |
3176 | (tun_key->gbp_flags || tun_key->gbp_id)) { | |
ac6073e3 MC |
3177 | size_t vxlan_opts_ofs; |
3178 | ||
3179 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
3180 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, | |
3181 | (tun_key->gbp_flags << 16) | ntohs(tun_key->gbp_id)); | |
3182 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
3183 | } | |
c6d87201 WT |
3184 | |
3185 | if (!tnl_type || !strcmp(tnl_type, "geneve")) { | |
3186 | tun_metadata_to_geneve_nlattr(tun_key, tun_flow_key, key_buf, a); | |
3187 | } | |
9558d2a5 | 3188 | |
98514eea WT |
3189 | if ((!tnl_type || !strcmp(tnl_type, "erspan") || |
3190 | !strcmp(tnl_type, "ip6erspan")) && | |
3191 | (tun_key->erspan_ver == 1 || tun_key->erspan_ver == 2)) { | |
3192 | struct erspan_metadata opts; | |
3193 | ||
3194 | opts.version = tun_key->erspan_ver; | |
3195 | if (opts.version == 1) { | |
3196 | opts.u.index = htonl(tun_key->erspan_idx); | |
3197 | } else { | |
3198 | opts.u.md2.dir = tun_key->erspan_dir; | |
3199 | set_hwid(&opts.u.md2, tun_key->erspan_hwid); | |
3200 | } | |
3201 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, | |
3202 | &opts, sizeof(opts)); | |
3203 | } | |
3204 | ||
3c6d05a0 WT |
3205 | if ((!tnl_type || !strcmp(tnl_type, "gtpu")) && |
3206 | (tun_key->gtpu_flags && tun_key->gtpu_msgtype)) { | |
3207 | struct gtpu_metadata opts; | |
3208 | ||
3209 | opts.flags = tun_key->gtpu_flags; | |
3210 | opts.msgtype = tun_key->gtpu_msgtype; | |
3211 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, | |
3212 | &opts, sizeof(opts)); | |
3213 | } | |
9b405f1a | 3214 | nl_msg_end_nested(a, tun_key_ofs); |
29c7a2b2 PS |
3215 | } |
3216 | ||
b17298ae BP |
3217 | static bool |
3218 | odp_mask_is_constant__(enum ovs_key_attr attr, const void *mask, size_t size, | |
3219 | int constant) | |
3220 | { | |
3221 | /* Convert 'constant' to all the widths we need. C conversion rules ensure | |
3222 | * that -1 becomes all-1-bits and 0 does not change. */ | |
3223 | ovs_be16 be16 = (OVS_FORCE ovs_be16) constant; | |
3224 | uint32_t u32 = constant; | |
3225 | uint8_t u8 = constant; | |
3226 | const struct in6_addr *in6 = constant ? &in6addr_exact : &in6addr_any; | |
3227 | ||
3228 | switch (attr) { | |
3229 | case OVS_KEY_ATTR_UNSPEC: | |
3230 | case OVS_KEY_ATTR_ENCAP: | |
3231 | case __OVS_KEY_ATTR_MAX: | |
3232 | default: | |
3233 | return false; | |
3234 | ||
3235 | case OVS_KEY_ATTR_PRIORITY: | |
3236 | case OVS_KEY_ATTR_IN_PORT: | |
3237 | case OVS_KEY_ATTR_ETHERNET: | |
3238 | case OVS_KEY_ATTR_VLAN: | |
3239 | case OVS_KEY_ATTR_ETHERTYPE: | |
3240 | case OVS_KEY_ATTR_IPV4: | |
3241 | case OVS_KEY_ATTR_TCP: | |
3242 | case OVS_KEY_ATTR_UDP: | |
3243 | case OVS_KEY_ATTR_ICMP: | |
3244 | case OVS_KEY_ATTR_ICMPV6: | |
3245 | case OVS_KEY_ATTR_ND: | |
9b2b8497 | 3246 | case OVS_KEY_ATTR_ND_EXTENSIONS: |
b17298ae BP |
3247 | case OVS_KEY_ATTR_SKB_MARK: |
3248 | case OVS_KEY_ATTR_TUNNEL: | |
3249 | case OVS_KEY_ATTR_SCTP: | |
3250 | case OVS_KEY_ATTR_DP_HASH: | |
3251 | case OVS_KEY_ATTR_RECIRC_ID: | |
3252 | case OVS_KEY_ATTR_MPLS: | |
3253 | case OVS_KEY_ATTR_CT_STATE: | |
3254 | case OVS_KEY_ATTR_CT_ZONE: | |
3255 | case OVS_KEY_ATTR_CT_MARK: | |
3256 | case OVS_KEY_ATTR_CT_LABELS: | |
3257 | case OVS_KEY_ATTR_PACKET_TYPE: | |
3d2fbd70 | 3258 | case OVS_KEY_ATTR_NSH: |
b17298ae BP |
3259 | return is_all_byte(mask, size, u8); |
3260 | ||
3261 | case OVS_KEY_ATTR_TCP_FLAGS: | |
3262 | return TCP_FLAGS(*(ovs_be16 *) mask) == TCP_FLAGS(be16); | |
3263 | ||
3264 | case OVS_KEY_ATTR_IPV6: { | |
3265 | const struct ovs_key_ipv6 *ipv6_mask = mask; | |
3266 | return ((ipv6_mask->ipv6_label & htonl(IPV6_LABEL_MASK)) | |
3267 | == htonl(IPV6_LABEL_MASK & u32) | |
3268 | && ipv6_mask->ipv6_proto == u8 | |
3269 | && ipv6_mask->ipv6_tclass == u8 | |
3270 | && ipv6_mask->ipv6_hlimit == u8 | |
3271 | && ipv6_mask->ipv6_frag == u8 | |
3272 | && ipv6_addr_equals(&ipv6_mask->ipv6_src, in6) | |
3273 | && ipv6_addr_equals(&ipv6_mask->ipv6_dst, in6)); | |
3274 | } | |
3275 | ||
3276 | case OVS_KEY_ATTR_ARP: | |
3277 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_arp, arp_tha), u8); | |
3278 | ||
3279 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: | |
3280 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv4, | |
3281 | ipv4_proto), u8); | |
3282 | ||
3283 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
3284 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv6, | |
3285 | ipv6_proto), u8); | |
3286 | } | |
3287 | } | |
3288 | ||
3289 | /* The caller must already have verified that 'ma' has a correct length. | |
3290 | * | |
3291 | * The main purpose of this function is formatting, to allow code to figure out | |
3292 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
3293 | * contain sub-attributes, etc., because normally those would be broken down | |
3294 | * further for formatting. */ | |
041e7168 AZ |
3295 | static bool |
3296 | odp_mask_attr_is_wildcard(const struct nlattr *ma) | |
3297 | { | |
b17298ae BP |
3298 | return odp_mask_is_constant__(nl_attr_type(ma), |
3299 | nl_attr_get(ma), nl_attr_get_size(ma), 0); | |
041e7168 AZ |
3300 | } |
3301 | ||
2f73024d | 3302 | /* The caller must already have verified that 'size' is a correct length for |
b17298ae BP |
3303 | * 'attr'. |
3304 | * | |
3305 | * The main purpose of this function is formatting, to allow code to figure out | |
3306 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
3307 | * contain sub-attributes, etc., because normally those would be broken down | |
3308 | * further for formatting. */ | |
e6cc0bab | 3309 | static bool |
d23df9a8 | 3310 | odp_mask_is_exact(enum ovs_key_attr attr, const void *mask, size_t size) |
e6cc0bab | 3311 | { |
b17298ae | 3312 | return odp_mask_is_constant__(attr, mask, size, -1); |
d23df9a8 JR |
3313 | } |
3314 | ||
2f73024d | 3315 | /* The caller must already have verified that 'ma' has a correct length. */ |
d23df9a8 JR |
3316 | static bool |
3317 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
3318 | { | |
d23df9a8 | 3319 | enum ovs_key_attr attr = nl_attr_type(ma); |
a4e8ed0c | 3320 | return odp_mask_is_exact(attr, nl_attr_get(ma), nl_attr_get_size(ma)); |
e6cc0bab AZ |
3321 | } |
3322 | ||
0a37839c GS |
3323 | void |
3324 | odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no, | |
3325 | char *port_name) | |
3326 | { | |
3327 | struct odp_portno_names *odp_portno_names; | |
3328 | ||
3329 | odp_portno_names = xmalloc(sizeof *odp_portno_names); | |
3330 | odp_portno_names->port_no = port_no; | |
3331 | odp_portno_names->name = xstrdup(port_name); | |
3332 | hmap_insert(portno_names, &odp_portno_names->hmap_node, | |
3333 | hash_odp_port(port_no)); | |
3334 | } | |
3335 | ||
3336 | static char * | |
3337 | odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no) | |
3338 | { | |
0722f341 BP |
3339 | if (portno_names) { |
3340 | struct odp_portno_names *odp_portno_names; | |
0a37839c | 3341 | |
0722f341 BP |
3342 | HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node, |
3343 | hash_odp_port(port_no), portno_names) { | |
3344 | if (odp_portno_names->port_no == port_no) { | |
3345 | return odp_portno_names->name; | |
3346 | } | |
0a37839c GS |
3347 | } |
3348 | } | |
3349 | return NULL; | |
3350 | } | |
3351 | ||
3352 | void | |
3353 | odp_portno_names_destroy(struct hmap *portno_names) | |
3354 | { | |
4ec3d7c7 DDP |
3355 | struct odp_portno_names *odp_portno_names; |
3356 | ||
3357 | HMAP_FOR_EACH_POP (odp_portno_names, hmap_node, portno_names) { | |
0a37839c GS |
3358 | free(odp_portno_names->name); |
3359 | free(odp_portno_names); | |
3360 | } | |
3361 | } | |
e6cc0bab | 3362 | |
0722f341 BP |
3363 | void |
3364 | odp_portno_name_format(const struct hmap *portno_names, odp_port_t port_no, | |
3365 | struct ds *s) | |
3366 | { | |
3367 | const char *name = odp_portno_names_get(portno_names, port_no); | |
3368 | if (name) { | |
3369 | ds_put_cstr(s, name); | |
3370 | } else { | |
3371 | ds_put_format(s, "%"PRIu32, port_no); | |
3372 | } | |
3373 | } | |
3374 | ||
2d18eae8 JR |
3375 | /* Format helpers. */ |
3376 | ||
3377 | static void | |
74ff3298 JR |
3378 | format_eth(struct ds *ds, const char *name, const struct eth_addr key, |
3379 | const struct eth_addr *mask, bool verbose) | |
2d18eae8 JR |
3380 | { |
3381 | bool mask_empty = mask && eth_addr_is_zero(*mask); | |
3382 | ||
3383 | if (verbose || !mask_empty) { | |
3384 | bool mask_full = !mask || eth_mask_is_exact(*mask); | |
3385 | ||
3386 | if (mask_full) { | |
3387 | ds_put_format(ds, "%s="ETH_ADDR_FMT",", name, ETH_ADDR_ARGS(key)); | |
3388 | } else { | |
3389 | ds_put_format(ds, "%s=", name); | |
74ff3298 | 3390 | eth_format_masked(key, mask, ds); |
2d18eae8 JR |
3391 | ds_put_char(ds, ','); |
3392 | } | |
3393 | } | |
3394 | } | |
3395 | ||
1fc11c59 | 3396 | |
2d18eae8 JR |
3397 | static void |
3398 | format_be64(struct ds *ds, const char *name, ovs_be64 key, | |
3399 | const ovs_be64 *mask, bool verbose) | |
3400 | { | |
3401 | bool mask_empty = mask && !*mask; | |
3402 | ||
3403 | if (verbose || !mask_empty) { | |
3404 | bool mask_full = !mask || *mask == OVS_BE64_MAX; | |
3405 | ||
3406 | ds_put_format(ds, "%s=0x%"PRIx64, name, ntohll(key)); | |
3407 | if (!mask_full) { /* Partially masked. */ | |
3408 | ds_put_format(ds, "/%#"PRIx64, ntohll(*mask)); | |
3409 | } | |
3410 | ds_put_char(ds, ','); | |
3411 | } | |
3412 | } | |
3413 | ||
3414 | static void | |
3415 | format_ipv4(struct ds *ds, const char *name, ovs_be32 key, | |
3416 | const ovs_be32 *mask, bool verbose) | |
3417 | { | |
3418 | bool mask_empty = mask && !*mask; | |
3419 | ||
3420 | if (verbose || !mask_empty) { | |
3421 | bool mask_full = !mask || *mask == OVS_BE32_MAX; | |
3422 | ||
3423 | ds_put_format(ds, "%s="IP_FMT, name, IP_ARGS(key)); | |
3424 | if (!mask_full) { /* Partially masked. */ | |
3425 | ds_put_format(ds, "/"IP_FMT, IP_ARGS(*mask)); | |
3426 | } | |
3427 | ds_put_char(ds, ','); | |
3428 | } | |
3429 | } | |
3430 | ||
3431 | static void | |
d15aef48 JB |
3432 | format_in6_addr(struct ds *ds, const char *name, |
3433 | const struct in6_addr *key, | |
3434 | const struct in6_addr *mask, | |
3435 | bool verbose) | |
2d18eae8 JR |
3436 | { |
3437 | char buf[INET6_ADDRSTRLEN]; | |
2d18eae8 JR |
3438 | bool mask_empty = mask && ipv6_mask_is_any(mask); |
3439 | ||
3440 | if (verbose || !mask_empty) { | |
3441 | bool mask_full = !mask || ipv6_mask_is_exact(mask); | |
3442 | ||
3443 | inet_ntop(AF_INET6, key, buf, sizeof buf); | |
3444 | ds_put_format(ds, "%s=%s", name, buf); | |
3445 | if (!mask_full) { /* Partially masked. */ | |
3446 | inet_ntop(AF_INET6, mask, buf, sizeof buf); | |
3447 | ds_put_format(ds, "/%s", buf); | |
3448 | } | |
3449 | ds_put_char(ds, ','); | |
3450 | } | |
3451 | } | |
3452 | ||
3453 | static void | |
3454 | format_ipv6_label(struct ds *ds, const char *name, ovs_be32 key, | |
3455 | const ovs_be32 *mask, bool verbose) | |
3456 | { | |
3457 | bool mask_empty = mask && !*mask; | |
3458 | ||
3459 | if (verbose || !mask_empty) { | |
3460 | bool mask_full = !mask | |
3461 | || (*mask & htonl(IPV6_LABEL_MASK)) == htonl(IPV6_LABEL_MASK); | |
3462 | ||
3463 | ds_put_format(ds, "%s=%#"PRIx32, name, ntohl(key)); | |
3464 | if (!mask_full) { /* Partially masked. */ | |
3465 | ds_put_format(ds, "/%#"PRIx32, ntohl(*mask)); | |
3466 | } | |
3467 | ds_put_char(ds, ','); | |
3468 | } | |
3469 | } | |
3470 | ||
3471 | static void | |
3472 | format_u8x(struct ds *ds, const char *name, uint8_t key, | |
3473 | const uint8_t *mask, bool verbose) | |
3474 | { | |
3475 | bool mask_empty = mask && !*mask; | |
3476 | ||
3477 | if (verbose || !mask_empty) { | |
3478 | bool mask_full = !mask || *mask == UINT8_MAX; | |
3479 | ||
3480 | ds_put_format(ds, "%s=%#"PRIx8, name, key); | |
3481 | if (!mask_full) { /* Partially masked. */ | |
3482 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
3483 | } | |
3484 | ds_put_char(ds, ','); | |
3485 | } | |
3486 | } | |
3487 | ||
3488 | static void | |
3489 | format_u8u(struct ds *ds, const char *name, uint8_t key, | |
3490 | const uint8_t *mask, bool verbose) | |
3491 | { | |
3492 | bool mask_empty = mask && !*mask; | |
3493 | ||
3494 | if (verbose || !mask_empty) { | |
3495 | bool mask_full = !mask || *mask == UINT8_MAX; | |
3496 | ||
3497 | ds_put_format(ds, "%s=%"PRIu8, name, key); | |
3498 | if (!mask_full) { /* Partially masked. */ | |
3499 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
3500 | } | |
3501 | ds_put_char(ds, ','); | |
3502 | } | |
3503 | } | |
3504 | ||
3505 | static void | |
3506 | format_be16(struct ds *ds, const char *name, ovs_be16 key, | |
3507 | const ovs_be16 *mask, bool verbose) | |
3508 | { | |
3509 | bool mask_empty = mask && !*mask; | |
3510 | ||
3511 | if (verbose || !mask_empty) { | |
3512 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
3513 | ||
3514 | ds_put_format(ds, "%s=%"PRIu16, name, ntohs(key)); | |
3515 | if (!mask_full) { /* Partially masked. */ | |
3516 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
3517 | } | |
3518 | ds_put_char(ds, ','); | |
3519 | } | |
3520 | } | |
3521 | ||
622a0a8e JG |
3522 | static void |
3523 | format_be16x(struct ds *ds, const char *name, ovs_be16 key, | |
3524 | const ovs_be16 *mask, bool verbose) | |
3525 | { | |
3526 | bool mask_empty = mask && !*mask; | |
3527 | ||
3528 | if (verbose || !mask_empty) { | |
3529 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
3530 | ||
3531 | ds_put_format(ds, "%s=%#"PRIx16, name, ntohs(key)); | |
3532 | if (!mask_full) { /* Partially masked. */ | |
3533 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
3534 | } | |
3535 | ds_put_char(ds, ','); | |
3536 | } | |
3537 | } | |
3538 | ||
2d18eae8 JR |
3539 | static void |
3540 | format_tun_flags(struct ds *ds, const char *name, uint16_t key, | |
3541 | const uint16_t *mask, bool verbose) | |
3542 | { | |
3543 | bool mask_empty = mask && !*mask; | |
3544 | ||
3545 | if (verbose || !mask_empty) { | |
2d18eae8 JR |
3546 | ds_put_cstr(ds, name); |
3547 | ds_put_char(ds, '('); | |
8e4c1621 JG |
3548 | if (mask) { |
3549 | format_flags_masked(ds, NULL, flow_tun_flag_to_string, key, | |
3550 | *mask & FLOW_TNL_F_MASK, FLOW_TNL_F_MASK); | |
2d18eae8 | 3551 | } else { /* Fully masked. */ |
8e4c1621 | 3552 | format_flags(ds, flow_tun_flag_to_string, key, '|'); |
2d18eae8 JR |
3553 | } |
3554 | ds_put_cstr(ds, "),"); | |
3555 | } | |
3556 | } | |
3557 | ||
65da723b JG |
3558 | static bool |
3559 | check_attr_len(struct ds *ds, const struct nlattr *a, const struct nlattr *ma, | |
ce9c9b8b | 3560 | const struct attr_len_tbl tbl[], int max_type, bool need_key) |
65da723b JG |
3561 | { |
3562 | int expected_len; | |
3563 | ||
ce9c9b8b | 3564 | expected_len = odp_key_attr_len(tbl, max_type, nl_attr_type(a)); |
65da723b JG |
3565 | if (expected_len != ATTR_LEN_VARIABLE && |
3566 | expected_len != ATTR_LEN_NESTED) { | |
3567 | ||
3568 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
3569 | bool bad_mask_len = ma && nl_attr_get_size(ma) != expected_len; | |
3570 | ||
3571 | if (bad_key_len || bad_mask_len) { | |
3572 | if (need_key) { | |
3573 | ds_put_format(ds, "key%u", nl_attr_type(a)); | |
3574 | } | |
3575 | if (bad_key_len) { | |
3576 | ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(", | |
3577 | nl_attr_get_size(a), expected_len); | |
3578 | } | |
3579 | format_generic_odp_key(a, ds); | |
3580 | if (ma) { | |
3581 | ds_put_char(ds, '/'); | |
3582 | if (bad_mask_len) { | |
3583 | ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(", | |
3584 | nl_attr_get_size(ma), expected_len); | |
3585 | } | |
3586 | format_generic_odp_key(ma, ds); | |
3587 | } | |
3588 | ds_put_char(ds, ')'); | |
3589 | return false; | |
3590 | } | |
3591 | } | |
3592 | ||
3593 | return true; | |
3594 | } | |
3595 | ||
3596 | static void | |
3597 | format_unknown_key(struct ds *ds, const struct nlattr *a, | |
3598 | const struct nlattr *ma) | |
3599 | { | |
3600 | ds_put_format(ds, "key%u(", nl_attr_type(a)); | |
3601 | format_generic_odp_key(a, ds); | |
3602 | if (ma && !odp_mask_attr_is_exact(ma)) { | |
3603 | ds_put_char(ds, '/'); | |
3604 | format_generic_odp_key(ma, ds); | |
3605 | } | |
3606 | ds_put_cstr(ds, "),"); | |
3607 | } | |
3608 | ||
3609 | static void | |
3610 | format_odp_tun_vxlan_opt(const struct nlattr *attr, | |
3611 | const struct nlattr *mask_attr, struct ds *ds, | |
3612 | bool verbose) | |
3613 | { | |
3614 | unsigned int left; | |
3615 | const struct nlattr *a; | |
3616 | struct ofpbuf ofp; | |
3617 | ||
3618 | ofpbuf_init(&ofp, 100); | |
3619 | NL_NESTED_FOR_EACH(a, left, attr) { | |
3620 | uint16_t type = nl_attr_type(a); | |
3621 | const struct nlattr *ma = NULL; | |
3622 | ||
3623 | if (mask_attr) { | |
3624 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3625 | nl_attr_get_size(mask_attr), type); | |
3626 | if (!ma) { | |
3627 | ma = generate_all_wildcard_mask(ovs_vxlan_ext_attr_lens, | |
3628 | OVS_VXLAN_EXT_MAX, | |
3629 | &ofp, a); | |
3630 | } | |
3631 | } | |
3632 | ||
3633 | if (!check_attr_len(ds, a, ma, ovs_vxlan_ext_attr_lens, | |
3634 | OVS_VXLAN_EXT_MAX, true)) { | |
3635 | continue; | |
3636 | } | |
3637 | ||
3638 | switch (type) { | |
3639 | case OVS_VXLAN_EXT_GBP: { | |
3640 | uint32_t key = nl_attr_get_u32(a); | |
3641 | ovs_be16 id, id_mask; | |
498535c3 | 3642 | uint8_t flags, flags_mask = 0; |
65da723b JG |
3643 | |
3644 | id = htons(key & 0xFFFF); | |
3645 | flags = (key >> 16) & 0xFF; | |
3646 | if (ma) { | |
3647 | uint32_t mask = nl_attr_get_u32(ma); | |
3648 | id_mask = htons(mask & 0xFFFF); | |
3649 | flags_mask = (mask >> 16) & 0xFF; | |
3650 | } | |
3651 | ||
3652 | ds_put_cstr(ds, "gbp("); | |
3653 | format_be16(ds, "id", id, ma ? &id_mask : NULL, verbose); | |
3654 | format_u8x(ds, "flags", flags, ma ? &flags_mask : NULL, verbose); | |
3655 | ds_chomp(ds, ','); | |
3656 | ds_put_cstr(ds, "),"); | |
3657 | break; | |
3658 | } | |
3659 | ||
3660 | default: | |
3661 | format_unknown_key(ds, a, ma); | |
3662 | } | |
3663 | ofpbuf_clear(&ofp); | |
3664 | } | |
3665 | ||
3666 | ds_chomp(ds, ','); | |
3667 | ofpbuf_uninit(&ofp); | |
3668 | } | |
3669 | ||
98514eea WT |
3670 | static void |
3671 | format_odp_tun_erspan_opt(const struct nlattr *attr, | |
9bf871c4 WT |
3672 | const struct nlattr *mask_attr, struct ds *ds, |
3673 | bool verbose) | |
98514eea WT |
3674 | { |
3675 | const struct erspan_metadata *opts, *mask; | |
3676 | uint8_t ver, ver_ma, dir, dir_ma, hwid, hwid_ma; | |
3677 | ||
3678 | opts = nl_attr_get(attr); | |
3679 | mask = mask_attr ? nl_attr_get(mask_attr) : NULL; | |
3680 | ||
3681 | ver = (uint8_t)opts->version; | |
3682 | if (mask) { | |
3683 | ver_ma = (uint8_t)mask->version; | |
3684 | } | |
3685 | ||
3686 | format_u8u(ds, "ver", ver, mask ? &ver_ma : NULL, verbose); | |
3687 | ||
3688 | if (opts->version == 1) { | |
3689 | if (mask) { | |
3690 | ds_put_format(ds, "idx=%#"PRIx32"/%#"PRIx32",", | |
3691 | ntohl(opts->u.index), | |
3692 | ntohl(mask->u.index)); | |
3693 | } else { | |
3694 | ds_put_format(ds, "idx=%#"PRIx32",", ntohl(opts->u.index)); | |
3695 | } | |
3696 | } else if (opts->version == 2) { | |
3697 | dir = opts->u.md2.dir; | |
3698 | hwid = opts->u.md2.hwid; | |
3699 | if (mask) { | |
3700 | dir_ma = mask->u.md2.dir; | |
3701 | hwid_ma = mask->u.md2.hwid; | |
3702 | } | |
3703 | ||
3704 | format_u8u(ds, "dir", dir, mask ? &dir_ma : NULL, verbose); | |
3705 | format_u8x(ds, "hwid", hwid, mask ? &hwid_ma : NULL, verbose); | |
3706 | } | |
3707 | ds_chomp(ds, ','); | |
3708 | } | |
3709 | ||
3c6d05a0 WT |
3710 | static void |
3711 | format_odp_tun_gtpu_opt(const struct nlattr *attr, | |
3712 | const struct nlattr *mask_attr, struct ds *ds, | |
3713 | bool verbose) | |
3714 | { | |
3715 | const struct gtpu_metadata *opts, *mask; | |
3716 | ||
3717 | opts = nl_attr_get(attr); | |
3718 | mask = mask_attr ? nl_attr_get(mask_attr) : NULL; | |
3719 | ||
3720 | format_u8x(ds, "flags", opts->flags, mask ? &mask->flags : NULL, verbose); | |
3721 | format_u8u(ds, "msgtype", opts->msgtype, mask ? &mask->msgtype : NULL, | |
3722 | verbose); | |
3723 | ds_chomp(ds, ','); | |
3724 | } | |
3725 | ||
622a0a8e JG |
3726 | #define MASK(PTR, FIELD) PTR ? &PTR->FIELD : NULL |
3727 | ||
3728 | static void | |
5bb08b0e JG |
3729 | format_geneve_opts(const struct geneve_opt *opt, |
3730 | const struct geneve_opt *mask, int opts_len, | |
3731 | struct ds *ds, bool verbose) | |
622a0a8e | 3732 | { |
622a0a8e JG |
3733 | while (opts_len > 0) { |
3734 | unsigned int len; | |
3735 | uint8_t data_len, data_len_mask; | |
3736 | ||
3737 | if (opts_len < sizeof *opt) { | |
3738 | ds_put_format(ds, "opt len %u less than minimum %"PRIuSIZE, | |
3739 | opts_len, sizeof *opt); | |
3740 | return; | |
3741 | } | |
3742 | ||
3743 | data_len = opt->length * 4; | |
3744 | if (mask) { | |
3745 | if (mask->length == 0x1f) { | |
3746 | data_len_mask = UINT8_MAX; | |
3747 | } else { | |
3748 | data_len_mask = mask->length; | |
3749 | } | |
3750 | } | |
3751 | len = sizeof *opt + data_len; | |
3752 | if (len > opts_len) { | |
3753 | ds_put_format(ds, "opt len %u greater than remaining %u", | |
3754 | len, opts_len); | |
3755 | return; | |
3756 | } | |
3757 | ||
3758 | ds_put_char(ds, '{'); | |
3759 | format_be16x(ds, "class", opt->opt_class, MASK(mask, opt_class), | |
3760 | verbose); | |
3761 | format_u8x(ds, "type", opt->type, MASK(mask, type), verbose); | |
3762 | format_u8u(ds, "len", data_len, mask ? &data_len_mask : NULL, verbose); | |
1cb20095 JG |
3763 | if (data_len && |
3764 | (verbose || !mask || !is_all_zeros(mask + 1, data_len))) { | |
622a0a8e JG |
3765 | ds_put_hex(ds, opt + 1, data_len); |
3766 | if (mask && !is_all_ones(mask + 1, data_len)) { | |
3767 | ds_put_char(ds, '/'); | |
3768 | ds_put_hex(ds, mask + 1, data_len); | |
3769 | } | |
3770 | } else { | |
3771 | ds_chomp(ds, ','); | |
3772 | } | |
3773 | ds_put_char(ds, '}'); | |
3774 | ||
3775 | opt += len / sizeof(*opt); | |
3776 | if (mask) { | |
3777 | mask += len / sizeof(*opt); | |
3778 | } | |
3779 | opts_len -= len; | |
3780 | }; | |
3781 | } | |
3782 | ||
5bb08b0e JG |
3783 | static void |
3784 | format_odp_tun_geneve(const struct nlattr *attr, | |
3785 | const struct nlattr *mask_attr, struct ds *ds, | |
3786 | bool verbose) | |
3787 | { | |
3788 | int opts_len = nl_attr_get_size(attr); | |
3789 | const struct geneve_opt *opt = nl_attr_get(attr); | |
3790 | const struct geneve_opt *mask = mask_attr ? | |
3791 | nl_attr_get(mask_attr) : NULL; | |
3792 | ||
3793 | if (mask && nl_attr_get_size(attr) != nl_attr_get_size(mask_attr)) { | |
3794 | ds_put_format(ds, "value len %"PRIuSIZE" different from mask len %"PRIuSIZE, | |
3795 | nl_attr_get_size(attr), nl_attr_get_size(mask_attr)); | |
3796 | return; | |
3797 | } | |
3798 | ||
3799 | format_geneve_opts(opt, mask, opts_len, ds, verbose); | |
3800 | } | |
3801 | ||
f59cb331 YY |
3802 | static void |
3803 | format_odp_nsh_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
3804 | struct ds *ds) | |
3805 | { | |
3806 | unsigned int left; | |
3807 | const struct nlattr *a; | |
3808 | struct ovs_key_nsh nsh; | |
3809 | struct ovs_key_nsh nsh_mask; | |
3810 | ||
3811 | memset(&nsh, 0, sizeof nsh); | |
3812 | memset(&nsh_mask, 0xff, sizeof nsh_mask); | |
3813 | ||
3814 | NL_NESTED_FOR_EACH (a, left, attr) { | |
3815 | enum ovs_nsh_key_attr type = nl_attr_type(a); | |
3816 | const struct nlattr *ma = NULL; | |
3817 | ||
3818 | if (mask_attr) { | |
3819 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3820 | nl_attr_get_size(mask_attr), type); | |
3821 | } | |
3822 | ||
3823 | if (!check_attr_len(ds, a, ma, ovs_nsh_key_attr_lens, | |
3824 | OVS_NSH_KEY_ATTR_MAX, true)) { | |
3825 | continue; | |
3826 | } | |
3827 | ||
3828 | switch (type) { | |
3829 | case OVS_NSH_KEY_ATTR_UNSPEC: | |
3830 | break; | |
3831 | case OVS_NSH_KEY_ATTR_BASE: { | |
17553f27 YY |
3832 | const struct ovs_nsh_key_base *base = nl_attr_get(a); |
3833 | const struct ovs_nsh_key_base *base_mask | |
f59cb331 YY |
3834 | = ma ? nl_attr_get(ma) : NULL; |
3835 | nsh.flags = base->flags; | |
17553f27 | 3836 | nsh.ttl = base->ttl; |
f59cb331 YY |
3837 | nsh.mdtype = base->mdtype; |
3838 | nsh.np = base->np; | |
3839 | nsh.path_hdr = base->path_hdr; | |
3840 | if (base_mask) { | |
3841 | nsh_mask.flags = base_mask->flags; | |
17553f27 | 3842 | nsh_mask.ttl = base_mask->ttl; |
f59cb331 YY |
3843 | nsh_mask.mdtype = base_mask->mdtype; |
3844 | nsh_mask.np = base_mask->np; | |
3845 | nsh_mask.path_hdr = base_mask->path_hdr; | |
3846 | } | |
3847 | break; | |
3848 | } | |
3849 | case OVS_NSH_KEY_ATTR_MD1: { | |
17553f27 YY |
3850 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); |
3851 | const struct ovs_nsh_key_md1 *md1_mask | |
f59cb331 YY |
3852 | = ma ? nl_attr_get(ma) : NULL; |
3853 | memcpy(nsh.context, md1->context, sizeof md1->context); | |
3854 | if (md1_mask) { | |
3855 | memcpy(nsh_mask.context, md1_mask->context, | |
3856 | sizeof md1_mask->context); | |
3857 | } | |
3858 | break; | |
3859 | } | |
3860 | case OVS_NSH_KEY_ATTR_MD2: | |
3861 | case __OVS_NSH_KEY_ATTR_MAX: | |
3862 | default: | |
3863 | /* No support for matching other metadata formats yet. */ | |
3864 | break; | |
3865 | } | |
3866 | } | |
3867 | ||
3868 | if (mask_attr) { | |
3869 | format_nsh_key_mask(ds, &nsh, &nsh_mask); | |
3870 | } else { | |
3871 | format_nsh_key(ds, &nsh); | |
3872 | } | |
3873 | } | |
3874 | ||
65da723b JG |
3875 | static void |
3876 | format_odp_tun_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
3877 | struct ds *ds, bool verbose) | |
3878 | { | |
3879 | unsigned int left; | |
3880 | const struct nlattr *a; | |
3881 | uint16_t flags = 0; | |
3882 | uint16_t mask_flags = 0; | |
3883 | struct ofpbuf ofp; | |
3884 | ||
3885 | ofpbuf_init(&ofp, 100); | |
3886 | NL_NESTED_FOR_EACH(a, left, attr) { | |
3887 | enum ovs_tunnel_key_attr type = nl_attr_type(a); | |
3888 | const struct nlattr *ma = NULL; | |
3889 | ||
3890 | if (mask_attr) { | |
3891 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3892 | nl_attr_get_size(mask_attr), type); | |
3893 | if (!ma) { | |
3894 | ma = generate_all_wildcard_mask(ovs_tun_key_attr_lens, | |
3895 | OVS_TUNNEL_KEY_ATTR_MAX, | |
3896 | &ofp, a); | |
3897 | } | |
3898 | } | |
3899 | ||
3900 | if (!check_attr_len(ds, a, ma, ovs_tun_key_attr_lens, | |
3901 | OVS_TUNNEL_KEY_ATTR_MAX, true)) { | |
3902 | continue; | |
3903 | } | |
3904 | ||
3905 | switch (type) { | |
3906 | case OVS_TUNNEL_KEY_ATTR_ID: | |
3907 | format_be64(ds, "tun_id", nl_attr_get_be64(a), | |
3908 | ma ? nl_attr_get(ma) : NULL, verbose); | |
d39ec23d | 3909 | flags |= FLOW_TNL_F_KEY; |
65da723b JG |
3910 | if (ma) { |
3911 | mask_flags |= FLOW_TNL_F_KEY; | |
3912 | } | |
3913 | break; | |
3914 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
3915 | format_ipv4(ds, "src", nl_attr_get_be32(a), | |
3916 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3917 | break; | |
3918 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
3919 | format_ipv4(ds, "dst", nl_attr_get_be32(a), | |
3920 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3921 | break; | |
ffe4c74f JB |
3922 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: { |
3923 | struct in6_addr ipv6_src; | |
3924 | ipv6_src = nl_attr_get_in6_addr(a); | |
3925 | format_in6_addr(ds, "ipv6_src", &ipv6_src, | |
3926 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3927 | break; | |
3928 | } | |
3929 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: { | |
3930 | struct in6_addr ipv6_dst; | |
3931 | ipv6_dst = nl_attr_get_in6_addr(a); | |
3932 | format_in6_addr(ds, "ipv6_dst", &ipv6_dst, | |
3933 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3934 | break; | |
3935 | } | |
65da723b JG |
3936 | case OVS_TUNNEL_KEY_ATTR_TOS: |
3937 | format_u8x(ds, "tos", nl_attr_get_u8(a), | |
3938 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3939 | break; | |
3940 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
3941 | format_u8u(ds, "ttl", nl_attr_get_u8(a), | |
3942 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3943 | break; | |
3944 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
d39ec23d | 3945 | flags |= FLOW_TNL_F_DONT_FRAGMENT; |
65da723b JG |
3946 | break; |
3947 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
d39ec23d | 3948 | flags |= FLOW_TNL_F_CSUM; |
65da723b JG |
3949 | break; |
3950 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: | |
3951 | format_be16(ds, "tp_src", nl_attr_get_be16(a), | |
3952 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3953 | break; | |
3954 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
3955 | format_be16(ds, "tp_dst", nl_attr_get_be16(a), | |
3956 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3957 | break; | |
3958 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
d39ec23d | 3959 | flags |= FLOW_TNL_F_OAM; |
65da723b JG |
3960 | break; |
3961 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: | |
3962 | ds_put_cstr(ds, "vxlan("); | |
3963 | format_odp_tun_vxlan_opt(a, ma, ds, verbose); | |
3964 | ds_put_cstr(ds, "),"); | |
3965 | break; | |
3966 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: | |
622a0a8e JG |
3967 | ds_put_cstr(ds, "geneve("); |
3968 | format_odp_tun_geneve(a, ma, ds, verbose); | |
3969 | ds_put_cstr(ds, "),"); | |
3970 | break; | |
f3464818 PS |
3971 | case OVS_TUNNEL_KEY_ATTR_PAD: |
3972 | break; | |
320326e9 | 3973 | case OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS: |
98514eea WT |
3974 | ds_put_cstr(ds, "erspan("); |
3975 | format_odp_tun_erspan_opt(a, ma, ds, verbose); | |
3976 | ds_put_cstr(ds, "),"); | |
320326e9 | 3977 | break; |
3c6d05a0 WT |
3978 | case OVS_TUNNEL_KEY_ATTR_GTPU_OPTS: |
3979 | ds_put_cstr(ds, "gtpu("); | |
3980 | format_odp_tun_gtpu_opt(a, ma, ds, verbose); | |
2c5a48c9 | 3981 | ds_put_cstr(ds, "),"); |
3c6d05a0 | 3982 | break; |
65da723b JG |
3983 | case __OVS_TUNNEL_KEY_ATTR_MAX: |
3984 | default: | |
3985 | format_unknown_key(ds, a, ma); | |
3986 | } | |
3987 | ofpbuf_clear(&ofp); | |
3988 | } | |
3989 | ||
3990 | /* Flags can have a valid mask even if the attribute is not set, so | |
3991 | * we need to collect these separately. */ | |
3992 | if (mask_attr) { | |
3993 | NL_NESTED_FOR_EACH(a, left, mask_attr) { | |
3994 | switch (nl_attr_type(a)) { | |
3995 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
3996 | mask_flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
3997 | break; | |
3998 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
3999 | mask_flags |= FLOW_TNL_F_CSUM; | |
4000 | break; | |
4001 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
4002 | mask_flags |= FLOW_TNL_F_OAM; | |
4003 | break; | |
4004 | } | |
4005 | } | |
4006 | } | |
4007 | ||
4008 | format_tun_flags(ds, "flags", flags, mask_attr ? &mask_flags : NULL, | |
4009 | verbose); | |
4010 | ds_chomp(ds, ','); | |
4011 | ofpbuf_uninit(&ofp); | |
4012 | } | |
4013 | ||
07659514 JS |
4014 | static const char * |
4015 | odp_ct_state_to_string(uint32_t flag) | |
4016 | { | |
4017 | switch (flag) { | |
4018 | case OVS_CS_F_REPLY_DIR: | |
4019 | return "rpl"; | |
4020 | case OVS_CS_F_TRACKED: | |
4021 | return "trk"; | |
4022 | case OVS_CS_F_NEW: | |
4023 | return "new"; | |
4024 | case OVS_CS_F_ESTABLISHED: | |
4025 | return "est"; | |
4026 | case OVS_CS_F_RELATED: | |
4027 | return "rel"; | |
4028 | case OVS_CS_F_INVALID: | |
4029 | return "inv"; | |
819571b5 DDP |
4030 | case OVS_CS_F_SRC_NAT: |
4031 | return "snat"; | |
4032 | case OVS_CS_F_DST_NAT: | |
4033 | return "dnat"; | |
07659514 JS |
4034 | default: |
4035 | return NULL; | |
4036 | } | |
4037 | } | |
4038 | ||
2d18eae8 JR |
4039 | static void |
4040 | format_frag(struct ds *ds, const char *name, uint8_t key, | |
08fa0266 | 4041 | const uint8_t *mask, bool verbose OVS_UNUSED) |
2d18eae8 JR |
4042 | { |
4043 | bool mask_empty = mask && !*mask; | |
08fa0266 | 4044 | bool mask_full = !mask || *mask == UINT8_MAX; |
2d18eae8 JR |
4045 | |
4046 | /* ODP frag is an enumeration field; partial masks are not meaningful. */ | |
08fa0266 PB |
4047 | if (!mask_empty && !mask_full) { |
4048 | ds_put_format(ds, "error: partial mask not supported for frag (%#" | |
4049 | PRIx8"),", *mask); | |
4050 | } else if (!mask_empty) { | |
4051 | ds_put_format(ds, "%s=%s,", name, ovs_frag_type_to_string(key)); | |
2d18eae8 JR |
4052 | } |
4053 | } | |
4054 | ||
07659514 JS |
4055 | static bool |
4056 | mask_empty(const struct nlattr *ma) | |
4057 | { | |
4058 | const void *mask; | |
4059 | size_t n; | |
4060 | ||
4061 | if (!ma) { | |
4062 | return true; | |
4063 | } | |
4064 | mask = nl_attr_get(ma); | |
4065 | n = nl_attr_get_size(ma); | |
4066 | ||
4067 | return is_all_zeros(mask, n); | |
4068 | } | |
4069 | ||
2f73024d BP |
4070 | /* The caller must have already verified that 'a' and 'ma' have correct |
4071 | * lengths. */ | |
36956a7d | 4072 | static void |
2f73024d BP |
4073 | format_odp_key_attr__(const struct nlattr *a, const struct nlattr *ma, |
4074 | const struct hmap *portno_names, struct ds *ds, | |
4075 | bool verbose) | |
36956a7d | 4076 | { |
7a8e9ed2 | 4077 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 4078 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
dc8c5408 | 4079 | bool is_exact; |
36956a7d | 4080 | |
dc8c5408 | 4081 | is_exact = ma ? odp_mask_attr_is_exact(ma) : true; |
e6cc0bab | 4082 | |
e6603631 | 4083 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab | 4084 | |
e6cc0bab | 4085 | ds_put_char(ds, '('); |
7a8e9ed2 | 4086 | switch (attr) { |
fea393b1 | 4087 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
4088 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
4089 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
0a37839c | 4090 | nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds, |
041e7168 | 4091 | verbose); |
0a37839c GS |
4092 | } else if (nl_attr_get_size(a)) { |
4093 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL, | |
4094 | ds, verbose); | |
fea393b1 | 4095 | } |
fea393b1 BP |
4096 | break; |
4097 | ||
abff858b | 4098 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 4099 | case OVS_KEY_ATTR_SKB_MARK: |
572f732a AZ |
4100 | case OVS_KEY_ATTR_DP_HASH: |
4101 | case OVS_KEY_ATTR_RECIRC_ID: | |
e6cc0bab | 4102 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
dc8c5408 | 4103 | if (!is_exact) { |
e6cc0bab AZ |
4104 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
4105 | } | |
72e8bf28 AA |
4106 | break; |
4107 | ||
8e53fe8c JS |
4108 | case OVS_KEY_ATTR_CT_MARK: |
4109 | if (verbose || !mask_empty(ma)) { | |
4110 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
4111 | if (!is_exact) { | |
4112 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
4113 | } | |
4114 | } | |
4115 | break; | |
4116 | ||
07659514 JS |
4117 | case OVS_KEY_ATTR_CT_STATE: |
4118 | if (verbose) { | |
4119 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
4120 | if (!is_exact) { | |
4121 | ds_put_format(ds, "/%#"PRIx32, | |
4122 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma)); | |
4123 | } | |
4124 | } else if (!is_exact) { | |
4125 | format_flags_masked(ds, NULL, odp_ct_state_to_string, | |
4126 | nl_attr_get_u32(a), | |
4127 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma), | |
4128 | UINT32_MAX); | |
4129 | } else { | |
4130 | format_flags(ds, odp_ct_state_to_string, nl_attr_get_u32(a), '|'); | |
4131 | } | |
4132 | break; | |
4133 | ||
4134 | case OVS_KEY_ATTR_CT_ZONE: | |
4135 | if (verbose || !mask_empty(ma)) { | |
4136 | ds_put_format(ds, "%#"PRIx16, nl_attr_get_u16(a)); | |
4137 | if (!is_exact) { | |
4138 | ds_put_format(ds, "/%#"PRIx16, nl_attr_get_u16(ma)); | |
4139 | } | |
4140 | } | |
4141 | break; | |
4142 | ||
9daf2348 | 4143 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 BP |
4144 | const ovs_32aligned_u128 *value = nl_attr_get(a); |
4145 | const ovs_32aligned_u128 *mask = ma ? nl_attr_get(ma) : NULL; | |
9daf2348 JS |
4146 | |
4147 | format_u128(ds, value, mask, verbose); | |
4148 | break; | |
4149 | } | |
07659514 | 4150 | |
c30b4cea JR |
4151 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
4152 | const struct ovs_key_ct_tuple_ipv4 *key = nl_attr_get(a); | |
4153 | const struct ovs_key_ct_tuple_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
4154 | ||
4155 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
4156 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
4157 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
4158 | verbose); | |
4159 | format_be16(ds, "tp_src", key->src_port, MASK(mask, src_port), | |
4160 | verbose); | |
4161 | format_be16(ds, "tp_dst", key->dst_port, MASK(mask, dst_port), | |
4162 | verbose); | |
4163 | ds_chomp(ds, ','); | |
4164 | break; | |
4165 | } | |
4166 | ||
4167 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
4168 | const struct ovs_key_ct_tuple_ipv6 *key = nl_attr_get(a); | |
4169 | const struct ovs_key_ct_tuple_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
4170 | ||
4171 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), | |
4172 | verbose); | |
4173 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
4174 | verbose); | |
4175 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
4176 | verbose); | |
4177 | format_be16(ds, "src_port", key->src_port, MASK(mask, src_port), | |
4178 | verbose); | |
4179 | format_be16(ds, "dst_port", key->dst_port, MASK(mask, dst_port), | |
4180 | verbose); | |
4181 | ds_chomp(ds, ','); | |
4182 | break; | |
4183 | } | |
4184 | ||
65da723b JG |
4185 | case OVS_KEY_ATTR_TUNNEL: |
4186 | format_odp_tun_attr(a, ma, ds, verbose); | |
356af50b | 4187 | break; |
65da723b | 4188 | |
df2c07f4 | 4189 | case OVS_KEY_ATTR_IN_PORT: |
0722f341 BP |
4190 | if (is_exact) { |
4191 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
0a37839c GS |
4192 | } else { |
4193 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); | |
4194 | if (!is_exact) { | |
4195 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
4196 | } | |
e6cc0bab | 4197 | } |
36956a7d BP |
4198 | break; |
4199 | ||
beb75a40 | 4200 | case OVS_KEY_ATTR_PACKET_TYPE: { |
3d4b2e6e JS |
4201 | ovs_be32 value = nl_attr_get_be32(a); |
4202 | ovs_be32 mask = ma ? nl_attr_get_be32(ma) : OVS_BE32_MAX; | |
beb75a40 | 4203 | |
3d4b2e6e JS |
4204 | ovs_be16 ns = htons(pt_ns(value)); |
4205 | ovs_be16 ns_mask = htons(pt_ns(mask)); | |
4206 | format_be16(ds, "ns", ns, &ns_mask, verbose); | |
beb75a40 | 4207 | |
3d4b2e6e JS |
4208 | ovs_be16 ns_type = pt_ns_type_be(value); |
4209 | ovs_be16 ns_type_mask = pt_ns_type_be(mask); | |
4210 | format_be16x(ds, "id", ns_type, &ns_type_mask, verbose); | |
4211 | ||
4212 | ds_chomp(ds, ','); | |
beb75a40 JS |
4213 | break; |
4214 | } | |
4215 | ||
2d18eae8 JR |
4216 | case OVS_KEY_ATTR_ETHERNET: { |
4217 | const struct ovs_key_ethernet *mask = ma ? nl_attr_get(ma) : NULL; | |
4218 | const struct ovs_key_ethernet *key = nl_attr_get(a); | |
e6cc0bab | 4219 | |
2d18eae8 JR |
4220 | format_eth(ds, "src", key->eth_src, MASK(mask, eth_src), verbose); |
4221 | format_eth(ds, "dst", key->eth_dst, MASK(mask, eth_dst), verbose); | |
4222 | ds_chomp(ds, ','); | |
36956a7d | 4223 | break; |
2d18eae8 | 4224 | } |
fea393b1 | 4225 | case OVS_KEY_ATTR_VLAN: |
2d18eae8 JR |
4226 | format_vlan_tci(ds, nl_attr_get_be16(a), |
4227 | ma ? nl_attr_get_be16(ma) : OVS_BE16_MAX, verbose); | |
36956a7d BP |
4228 | break; |
4229 | ||
b02475c5 SH |
4230 | case OVS_KEY_ATTR_MPLS: { |
4231 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab | 4232 | const struct ovs_key_mpls *mpls_mask = NULL; |
8bfd0fda BP |
4233 | size_t size = nl_attr_get_size(a); |
4234 | ||
4235 | if (!size || size % sizeof *mpls_key) { | |
6d670e7f | 4236 | ds_put_format(ds, "(bad key length %"PRIuSIZE")", size); |
8bfd0fda BP |
4237 | return; |
4238 | } | |
dc8c5408 | 4239 | if (!is_exact) { |
e6cc0bab | 4240 | mpls_mask = nl_attr_get(ma); |
6d670e7f | 4241 | if (size != nl_attr_get_size(ma)) { |
8bfd0fda BP |
4242 | ds_put_format(ds, "(key length %"PRIuSIZE" != " |
4243 | "mask length %"PRIuSIZE")", | |
6d670e7f | 4244 | size, nl_attr_get_size(ma)); |
8bfd0fda BP |
4245 | return; |
4246 | } | |
e6cc0bab | 4247 | } |
8bfd0fda | 4248 | format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key); |
b02475c5 SH |
4249 | break; |
4250 | } | |
df2c07f4 | 4251 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab | 4252 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
dc8c5408 | 4253 | if (!is_exact) { |
e6cc0bab AZ |
4254 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); |
4255 | } | |
36956a7d BP |
4256 | break; |
4257 | ||
2d18eae8 JR |
4258 | case OVS_KEY_ATTR_IPV4: { |
4259 | const struct ovs_key_ipv4 *key = nl_attr_get(a); | |
4260 | const struct ovs_key_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
4261 | ||
4262 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
4263 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
4264 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
4265 | verbose); | |
4266 | format_u8x(ds, "tos", key->ipv4_tos, MASK(mask, ipv4_tos), verbose); | |
4267 | format_u8u(ds, "ttl", key->ipv4_ttl, MASK(mask, ipv4_ttl), verbose); | |
4268 | format_frag(ds, "frag", key->ipv4_frag, MASK(mask, ipv4_frag), | |
4269 | verbose); | |
4270 | ds_chomp(ds, ','); | |
36956a7d | 4271 | break; |
2d18eae8 JR |
4272 | } |
4273 | case OVS_KEY_ATTR_IPV6: { | |
4274 | const struct ovs_key_ipv6 *key = nl_attr_get(a); | |
4275 | const struct ovs_key_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
4276 | ||
932c96b7 JR |
4277 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), |
4278 | verbose); | |
4279 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
4280 | verbose); | |
2d18eae8 JR |
4281 | format_ipv6_label(ds, "label", key->ipv6_label, MASK(mask, ipv6_label), |
4282 | verbose); | |
4283 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
932c96b7 | 4284 | verbose); |
2d18eae8 | 4285 | format_u8x(ds, "tclass", key->ipv6_tclass, MASK(mask, ipv6_tclass), |
932c96b7 | 4286 | verbose); |
2d18eae8 | 4287 | format_u8u(ds, "hlimit", key->ipv6_hlimit, MASK(mask, ipv6_hlimit), |
932c96b7 | 4288 | verbose); |
2d18eae8 JR |
4289 | format_frag(ds, "frag", key->ipv6_frag, MASK(mask, ipv6_frag), |
4290 | verbose); | |
4291 | ds_chomp(ds, ','); | |
d31f1109 | 4292 | break; |
2d18eae8 JR |
4293 | } |
4294 | /* These have the same structure and format. */ | |
df2c07f4 | 4295 | case OVS_KEY_ATTR_TCP: |
2d18eae8 JR |
4296 | case OVS_KEY_ATTR_UDP: |
4297 | case OVS_KEY_ATTR_SCTP: { | |
4298 | const struct ovs_key_tcp *key = nl_attr_get(a); | |
4299 | const struct ovs_key_tcp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 4300 | |
2d18eae8 JR |
4301 | format_be16(ds, "src", key->tcp_src, MASK(mask, tcp_src), verbose); |
4302 | format_be16(ds, "dst", key->tcp_dst, MASK(mask, tcp_dst), verbose); | |
4303 | ds_chomp(ds, ','); | |
36956a7d | 4304 | break; |
2d18eae8 | 4305 | } |
dc235f7f | 4306 | case OVS_KEY_ATTR_TCP_FLAGS: |
dc235f7f | 4307 | if (!is_exact) { |
ea2735d3 JR |
4308 | format_flags_masked(ds, NULL, packet_tcp_flag_to_string, |
4309 | ntohs(nl_attr_get_be16(a)), | |
8e4c1621 JG |
4310 | TCP_FLAGS(nl_attr_get_be16(ma)), |
4311 | TCP_FLAGS(OVS_BE16_MAX)); | |
ea2735d3 JR |
4312 | } else { |
4313 | format_flags(ds, packet_tcp_flag_to_string, | |
8e4c1621 | 4314 | ntohs(nl_attr_get_be16(a)), '|'); |
dc235f7f JR |
4315 | } |
4316 | break; | |
4317 | ||
2d18eae8 JR |
4318 | case OVS_KEY_ATTR_ICMP: { |
4319 | const struct ovs_key_icmp *key = nl_attr_get(a); | |
4320 | const struct ovs_key_icmp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 4321 | |
2d18eae8 JR |
4322 | format_u8u(ds, "type", key->icmp_type, MASK(mask, icmp_type), verbose); |
4323 | format_u8u(ds, "code", key->icmp_code, MASK(mask, icmp_code), verbose); | |
4324 | ds_chomp(ds, ','); | |
36956a7d | 4325 | break; |
2d18eae8 JR |
4326 | } |
4327 | case OVS_KEY_ATTR_ICMPV6: { | |
4328 | const struct ovs_key_icmpv6 *key = nl_attr_get(a); | |
4329 | const struct ovs_key_icmpv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
36956a7d | 4330 | |
2d18eae8 JR |
4331 | format_u8u(ds, "type", key->icmpv6_type, MASK(mask, icmpv6_type), |
4332 | verbose); | |
4333 | format_u8u(ds, "code", key->icmpv6_code, MASK(mask, icmpv6_code), | |
4334 | verbose); | |
4335 | ds_chomp(ds, ','); | |
d31f1109 | 4336 | break; |
2d18eae8 JR |
4337 | } |
4338 | case OVS_KEY_ATTR_ARP: { | |
4339 | const struct ovs_key_arp *mask = ma ? nl_attr_get(ma) : NULL; | |
4340 | const struct ovs_key_arp *key = nl_attr_get(a); | |
d31f1109 | 4341 | |
2d18eae8 JR |
4342 | format_ipv4(ds, "sip", key->arp_sip, MASK(mask, arp_sip), verbose); |
4343 | format_ipv4(ds, "tip", key->arp_tip, MASK(mask, arp_tip), verbose); | |
4344 | format_be16(ds, "op", key->arp_op, MASK(mask, arp_op), verbose); | |
4345 | format_eth(ds, "sha", key->arp_sha, MASK(mask, arp_sha), verbose); | |
4346 | format_eth(ds, "tha", key->arp_tha, MASK(mask, arp_tha), verbose); | |
4347 | ds_chomp(ds, ','); | |
36956a7d | 4348 | break; |
2d18eae8 | 4349 | } |
df2c07f4 | 4350 | case OVS_KEY_ATTR_ND: { |
2d18eae8 JR |
4351 | const struct ovs_key_nd *mask = ma ? nl_attr_get(ma) : NULL; |
4352 | const struct ovs_key_nd *key = nl_attr_get(a); | |
e6cc0bab | 4353 | |
932c96b7 JR |
4354 | format_in6_addr(ds, "target", &key->nd_target, MASK(mask, nd_target), |
4355 | verbose); | |
2d18eae8 JR |
4356 | format_eth(ds, "sll", key->nd_sll, MASK(mask, nd_sll), verbose); |
4357 | format_eth(ds, "tll", key->nd_tll, MASK(mask, nd_tll), verbose); | |
685a51a5 | 4358 | |
2d18eae8 | 4359 | ds_chomp(ds, ','); |
685a51a5 JP |
4360 | break; |
4361 | } | |
9b2b8497 VDA |
4362 | case OVS_KEY_ATTR_ND_EXTENSIONS: { |
4363 | const struct ovs_key_nd_extensions *mask = ma ? nl_attr_get(ma) : NULL; | |
4364 | const struct ovs_key_nd_extensions *key = nl_attr_get(a); | |
4365 | ||
4366 | bool first = true; | |
4367 | format_be32_masked(ds, &first, "nd_reserved", key->nd_reserved, | |
4368 | OVS_BE32_MAX); | |
4369 | ds_put_char(ds, ','); | |
4370 | ||
4371 | format_u8u(ds, "nd_options_type", key->nd_options_type, | |
4372 | MASK(mask, nd_options_type), verbose); | |
4373 | ||
4374 | ds_chomp(ds, ','); | |
4375 | break; | |
4376 | } | |
3d2fbd70 | 4377 | case OVS_KEY_ATTR_NSH: { |
f59cb331 | 4378 | format_odp_nsh_attr(a, ma, ds); |
3d2fbd70 JS |
4379 | break; |
4380 | } | |
7a8e9ed2 BP |
4381 | case OVS_KEY_ATTR_UNSPEC: |
4382 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
4383 | default: |
4384 | format_generic_odp_key(a, ds); | |
dc8c5408 | 4385 | if (!is_exact) { |
e6cc0bab AZ |
4386 | ds_put_char(ds, '/'); |
4387 | format_generic_odp_key(ma, ds); | |
4388 | } | |
36956a7d BP |
4389 | break; |
4390 | } | |
e6cc0bab | 4391 | ds_put_char(ds, ')'); |
36956a7d BP |
4392 | } |
4393 | ||
2f73024d BP |
4394 | static void |
4395 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, | |
4396 | const struct hmap *portno_names, struct ds *ds, | |
4397 | bool verbose) | |
4398 | { | |
4399 | if (check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
4400 | OVS_KEY_ATTR_MAX, false)) { | |
4401 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); | |
4402 | } | |
4403 | } | |
4404 | ||
dc8c5408 | 4405 | static struct nlattr * |
6b8da9e9 JG |
4406 | generate_all_wildcard_mask(const struct attr_len_tbl tbl[], int max, |
4407 | struct ofpbuf *ofp, const struct nlattr *key) | |
dc8c5408 AZ |
4408 | { |
4409 | const struct nlattr *a; | |
4410 | unsigned int left; | |
4411 | int type = nl_attr_type(key); | |
4412 | int size = nl_attr_get_size(key); | |
4413 | ||
6b8da9e9 | 4414 | if (odp_key_attr_len(tbl, max, type) != ATTR_LEN_NESTED) { |
9ddf12cc | 4415 | nl_msg_put_unspec_zero(ofp, type, size); |
dc8c5408 AZ |
4416 | } else { |
4417 | size_t nested_mask; | |
4418 | ||
6b8da9e9 | 4419 | if (tbl[type].next) { |
464cc3ee BP |
4420 | const struct attr_len_tbl *entry = &tbl[type]; |
4421 | tbl = entry->next; | |
4422 | max = entry->next_max; | |
6b8da9e9 JG |
4423 | } |
4424 | ||
dc8c5408 AZ |
4425 | nested_mask = nl_msg_start_nested(ofp, type); |
4426 | NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) { | |
6b8da9e9 | 4427 | generate_all_wildcard_mask(tbl, max, ofp, nl_attr_get(a)); |
dc8c5408 AZ |
4428 | } |
4429 | nl_msg_end_nested(ofp, nested_mask); | |
4430 | } | |
4431 | ||
6fd6ed71 | 4432 | return ofp->base; |
dc8c5408 AZ |
4433 | } |
4434 | ||
9daf2348 | 4435 | static void |
ab79d262 BP |
4436 | format_u128(struct ds *ds, const ovs_32aligned_u128 *key, |
4437 | const ovs_32aligned_u128 *mask, bool verbose) | |
9daf2348 | 4438 | { |
ab79d262 BP |
4439 | if (verbose || (mask && !ovs_u128_is_zero(get_32aligned_u128(mask)))) { |
4440 | ovs_be128 value = hton128(get_32aligned_u128(key)); | |
9daf2348 | 4441 | ds_put_hex(ds, &value, sizeof value); |
ab79d262 BP |
4442 | if (mask && !(ovs_u128_is_ones(get_32aligned_u128(mask)))) { |
4443 | value = hton128(get_32aligned_u128(mask)); | |
9daf2348 JS |
4444 | ds_put_char(ds, '/'); |
4445 | ds_put_hex(ds, &value, sizeof value); | |
4446 | } | |
4447 | } | |
4448 | } | |
4449 | ||
b23ada8e JP |
4450 | /* Read the string from 's_' as a 128-bit value. If the string contains |
4451 | * a "/", the rest of the string will be treated as a 128-bit mask. | |
4452 | * | |
4453 | * If either the value or mask is larger than 64 bits, the string must | |
4454 | * be in hexadecimal. | |
4455 | */ | |
9daf2348 JS |
4456 | static int |
4457 | scan_u128(const char *s_, ovs_u128 *value, ovs_u128 *mask) | |
4458 | { | |
4459 | char *s = CONST_CAST(char *, s_); | |
4460 | ovs_be128 be_value; | |
4461 | ovs_be128 be_mask; | |
4462 | ||
4463 | if (!parse_int_string(s, (uint8_t *)&be_value, sizeof be_value, &s)) { | |
32ea15f6 | 4464 | *value = ntoh128(be_value); |
9daf2348 JS |
4465 | |
4466 | if (mask) { | |
4467 | int n; | |
4468 | ||
4469 | if (ovs_scan(s, "/%n", &n)) { | |
4470 | int error; | |
4471 | ||
4472 | s += n; | |
4473 | error = parse_int_string(s, (uint8_t *)&be_mask, | |
4474 | sizeof be_mask, &s); | |
4475 | if (error) { | |
2c539492 | 4476 | return 0; |
9daf2348 | 4477 | } |
32ea15f6 | 4478 | *mask = ntoh128(be_mask); |
9daf2348 JS |
4479 | } else { |
4480 | *mask = OVS_U128_MAX; | |
4481 | } | |
4482 | } | |
4483 | return s - s_; | |
4484 | } | |
4485 | ||
4486 | return 0; | |
4487 | } | |
4488 | ||
534a19b9 JS |
4489 | int |
4490 | odp_ufid_from_string(const char *s_, ovs_u128 *ufid) | |
4491 | { | |
4492 | const char *s = s_; | |
4493 | ||
4494 | if (ovs_scan(s, "ufid:")) { | |
534a19b9 | 4495 | s += 5; |
534a19b9 | 4496 | |
10e92b4f | 4497 | if (!uuid_from_string_prefix((struct uuid *)ufid, s)) { |
534a19b9 JS |
4498 | return -EINVAL; |
4499 | } | |
10e92b4f | 4500 | s += UUID_LEN; |
534a19b9 JS |
4501 | |
4502 | return s - s_; | |
4503 | } | |
4504 | ||
4505 | return 0; | |
4506 | } | |
4507 | ||
70e5ed6f JS |
4508 | void |
4509 | odp_format_ufid(const ovs_u128 *ufid, struct ds *ds) | |
4510 | { | |
10e92b4f | 4511 | ds_put_format(ds, "ufid:"UUID_FMT, UUID_ARGS((struct uuid *)ufid)); |
70e5ed6f JS |
4512 | } |
4513 | ||
36956a7d | 4514 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
e6cc0bab | 4515 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
73580638 | 4516 | * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is |
d1fd1ea9 | 4517 | * non-null, translates odp port number to its name. */ |
14608a15 | 4518 | void |
e6cc0bab AZ |
4519 | odp_flow_format(const struct nlattr *key, size_t key_len, |
4520 | const struct nlattr *mask, size_t mask_len, | |
0a37839c | 4521 | const struct hmap *portno_names, struct ds *ds, bool verbose) |
14608a15 | 4522 | { |
36956a7d BP |
4523 | if (key_len) { |
4524 | const struct nlattr *a; | |
4525 | unsigned int left; | |
e6cc0bab | 4526 | bool has_ethtype_key = false; |
efde1886 | 4527 | bool has_packet_type_key = false; |
dc8c5408 | 4528 | struct ofpbuf ofp; |
041e7168 | 4529 | bool first_field = true; |
36956a7d | 4530 | |
dc8c5408 | 4531 | ofpbuf_init(&ofp, 100); |
36956a7d | 4532 | NL_ATTR_FOR_EACH (a, left, key, key_len) { |
2f73024d BP |
4533 | int attr_type = nl_attr_type(a); |
4534 | const struct nlattr *ma = (mask && mask_len | |
4535 | ? nl_attr_find__(mask, mask_len, | |
4536 | attr_type) | |
4537 | : NULL); | |
4538 | if (!check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
4539 | OVS_KEY_ATTR_MAX, false)) { | |
4540 | continue; | |
4541 | } | |
4542 | ||
041e7168 AZ |
4543 | bool is_nested_attr; |
4544 | bool is_wildcard = false; | |
041e7168 AZ |
4545 | |
4546 | if (attr_type == OVS_KEY_ATTR_ETHERTYPE) { | |
e6cc0bab | 4547 | has_ethtype_key = true; |
efde1886 BP |
4548 | } else if (attr_type == OVS_KEY_ATTR_PACKET_TYPE) { |
4549 | has_packet_type_key = true; | |
e6cc0bab | 4550 | } |
041e7168 | 4551 | |
6b8da9e9 JG |
4552 | is_nested_attr = odp_key_attr_len(ovs_flow_key_attr_lens, |
4553 | OVS_KEY_ATTR_MAX, attr_type) == | |
4554 | ATTR_LEN_NESTED; | |
041e7168 | 4555 | |
e6cc0bab AZ |
4556 | if (mask && mask_len) { |
4557 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
041e7168 AZ |
4558 | is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true; |
4559 | } | |
4560 | ||
4561 | if (verbose || !is_wildcard || is_nested_attr) { | |
4562 | if (is_wildcard && !ma) { | |
6b8da9e9 JG |
4563 | ma = generate_all_wildcard_mask(ovs_flow_key_attr_lens, |
4564 | OVS_KEY_ATTR_MAX, | |
4565 | &ofp, a); | |
dc8c5408 | 4566 | } |
041e7168 AZ |
4567 | if (!first_field) { |
4568 | ds_put_char(ds, ','); | |
4569 | } | |
2f73024d | 4570 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); |
041e7168 | 4571 | first_field = false; |
efde1886 BP |
4572 | } else if (attr_type == OVS_KEY_ATTR_ETHERNET |
4573 | && !has_packet_type_key) { | |
4574 | /* This special case reflects differences between the kernel | |
4575 | * and userspace datapaths regarding the root type of the | |
4576 | * packet being matched (typically Ethernet but some tunnels | |
4577 | * can encapsulate IPv4 etc.). The kernel datapath does not | |
4578 | * have an explicit way to indicate packet type; instead: | |
4579 | * | |
4580 | * - If OVS_KEY_ATTR_ETHERNET is present, the packet is an | |
4581 | * Ethernet packet and OVS_KEY_ATTR_ETHERTYPE is the | |
4582 | * Ethertype encoded in the Ethernet header. | |
4583 | * | |
4584 | * - If OVS_KEY_ATTR_ETHERNET is absent, then the packet's | |
4585 | * root type is that encoded in OVS_KEY_ATTR_ETHERTYPE | |
4586 | * (i.e. if OVS_KEY_ATTR_ETHERTYPE is 0x0800 then the | |
4587 | * packet is an IPv4 packet). | |
4588 | * | |
4589 | * Thus, if OVS_KEY_ATTR_ETHERNET is present, even if it is | |
4590 | * all-wildcarded, it is important to print it. | |
4591 | * | |
4592 | * On the other hand, the userspace datapath supports | |
4593 | * OVS_KEY_ATTR_PACKET_TYPE and uses it to indicate the packet | |
4594 | * type. Thus, if OVS_KEY_ATTR_PACKET_TYPE is present, we need | |
4595 | * not print an all-wildcarded OVS_KEY_ATTR_ETHERNET. */ | |
4596 | if (!first_field) { | |
4597 | ds_put_char(ds, ','); | |
4598 | } | |
4599 | ds_put_cstr(ds, "eth()"); | |
e6cc0bab | 4600 | } |
dc8c5408 | 4601 | ofpbuf_clear(&ofp); |
36956a7d | 4602 | } |
dc8c5408 AZ |
4603 | ofpbuf_uninit(&ofp); |
4604 | ||
36956a7d | 4605 | if (left) { |
3a8cfc50 | 4606 | int i; |
1394054e | 4607 | |
36956a7d BP |
4608 | if (left == key_len) { |
4609 | ds_put_cstr(ds, "<empty>"); | |
4610 | } | |
3a8cfc50 BP |
4611 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
4612 | for (i = 0; i < left; i++) { | |
4613 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
4614 | } | |
4615 | ds_put_char(ds, ')'); | |
36956a7d | 4616 | } |
e6cc0bab | 4617 | if (!has_ethtype_key) { |
2f73024d BP |
4618 | const struct nlattr *ma = nl_attr_find__(mask, mask_len, |
4619 | OVS_KEY_ATTR_ETHERTYPE); | |
e6cc0bab AZ |
4620 | if (ma) { |
4621 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
4622 | ntohs(nl_attr_get_be16(ma))); | |
4623 | } | |
4624 | } | |
36956a7d BP |
4625 | } else { |
4626 | ds_put_cstr(ds, "<empty>"); | |
4627 | } | |
14608a15 | 4628 | } |
064af421 | 4629 | |
e6cc0bab AZ |
4630 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
4631 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
4632 | void | |
4633 | odp_flow_key_format(const struct nlattr *key, | |
4634 | size_t key_len, struct ds *ds) | |
4635 | { | |
0a37839c | 4636 | odp_flow_format(key, key_len, NULL, 0, NULL, ds, true); |
e6cc0bab AZ |
4637 | } |
4638 | ||
7257b535 BP |
4639 | static bool |
4640 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
4641 | { | |
4642 | if (!strcasecmp(s, "no")) { | |
4643 | *type = OVS_FRAG_TYPE_NONE; | |
4644 | } else if (!strcasecmp(s, "first")) { | |
4645 | *type = OVS_FRAG_TYPE_FIRST; | |
4646 | } else if (!strcasecmp(s, "later")) { | |
4647 | *type = OVS_FRAG_TYPE_LATER; | |
4648 | } else { | |
4649 | return false; | |
4650 | } | |
4651 | return true; | |
4652 | } | |
4653 | ||
2d18eae8 | 4654 | /* Parsing. */ |
b02475c5 | 4655 | |
3bffc610 | 4656 | static int |
74ff3298 | 4657 | scan_eth(const char *s, struct eth_addr *key, struct eth_addr *mask) |
3bffc610 | 4658 | { |
2d18eae8 | 4659 | int n; |
abff858b | 4660 | |
74ff3298 JR |
4661 | if (ovs_scan(s, ETH_ADDR_SCAN_FMT"%n", |
4662 | ETH_ADDR_SCAN_ARGS(*key), &n)) { | |
2d18eae8 JR |
4663 | int len = n; |
4664 | ||
4665 | if (mask) { | |
4666 | if (ovs_scan(s + len, "/"ETH_ADDR_SCAN_FMT"%n", | |
4667 | ETH_ADDR_SCAN_ARGS(*mask), &n)) { | |
4668 | len += n; | |
4669 | } else { | |
4670 | memset(mask, 0xff, sizeof *mask); | |
e6cc0bab | 4671 | } |
abff858b | 4672 | } |
2d18eae8 | 4673 | return len; |
abff858b | 4674 | } |
2d18eae8 JR |
4675 | return 0; |
4676 | } | |
abff858b | 4677 | |
2d18eae8 JR |
4678 | static int |
4679 | scan_ipv4(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4680 | { | |
4681 | int n; | |
72e8bf28 | 4682 | |
2d18eae8 JR |
4683 | if (ovs_scan(s, IP_SCAN_FMT"%n", IP_SCAN_ARGS(key), &n)) { |
4684 | int len = n; | |
4685 | ||
4686 | if (mask) { | |
4687 | if (ovs_scan(s + len, "/"IP_SCAN_FMT"%n", | |
4688 | IP_SCAN_ARGS(mask), &n)) { | |
4689 | len += n; | |
4690 | } else { | |
4691 | *mask = OVS_BE32_MAX; | |
e6cc0bab | 4692 | } |
72e8bf28 | 4693 | } |
2d18eae8 | 4694 | return len; |
72e8bf28 | 4695 | } |
2d18eae8 JR |
4696 | return 0; |
4697 | } | |
72e8bf28 | 4698 | |
2d18eae8 | 4699 | static int |
d15aef48 | 4700 | scan_in6_addr(const char *s, struct in6_addr *key, struct in6_addr *mask) |
2d18eae8 JR |
4701 | { |
4702 | int n; | |
4703 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
572f732a | 4704 | |
2d18eae8 JR |
4705 | if (ovs_scan(s, IPV6_SCAN_FMT"%n", ipv6_s, &n) |
4706 | && inet_pton(AF_INET6, ipv6_s, key) == 1) { | |
4707 | int len = n; | |
4708 | ||
4709 | if (mask) { | |
4710 | if (ovs_scan(s + len, "/"IPV6_SCAN_FMT"%n", ipv6_s, &n) | |
4711 | && inet_pton(AF_INET6, ipv6_s, mask) == 1) { | |
4712 | len += n; | |
4713 | } else { | |
4714 | memset(mask, 0xff, sizeof *mask); | |
78669073 | 4715 | } |
572f732a | 4716 | } |
2d18eae8 | 4717 | return len; |
572f732a | 4718 | } |
2d18eae8 JR |
4719 | return 0; |
4720 | } | |
572f732a | 4721 | |
2d18eae8 JR |
4722 | static int |
4723 | scan_ipv6_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4724 | { | |
4725 | int key_, mask_; | |
4726 | int n; | |
572f732a | 4727 | |
2d18eae8 JR |
4728 | if (ovs_scan(s, "%i%n", &key_, &n) |
4729 | && (key_ & ~IPV6_LABEL_MASK) == 0) { | |
4730 | int len = n; | |
29c7a2b2 | 4731 | |
2d18eae8 JR |
4732 | *key = htonl(key_); |
4733 | if (mask) { | |
4734 | if (ovs_scan(s + len, "/%i%n", &mask_, &n) | |
4735 | && (mask_ & ~IPV6_LABEL_MASK) == 0) { | |
4736 | len += n; | |
4737 | *mask = htonl(mask_); | |
4738 | } else { | |
4739 | *mask = htonl(IPV6_LABEL_MASK); | |
e6cc0bab | 4740 | } |
35651d6a | 4741 | } |
2d18eae8 | 4742 | return len; |
35651d6a | 4743 | } |
2d18eae8 JR |
4744 | return 0; |
4745 | } | |
35651d6a | 4746 | |
2d18eae8 JR |
4747 | static int |
4748 | scan_u8(const char *s, uint8_t *key, uint8_t *mask) | |
4749 | { | |
4750 | int n; | |
3bffc610 | 4751 | |
2d18eae8 JR |
4752 | if (ovs_scan(s, "%"SCNi8"%n", key, &n)) { |
4753 | int len = n; | |
4754 | ||
4755 | if (mask) { | |
4756 | if (ovs_scan(s + len, "/%"SCNi8"%n", mask, &n)) { | |
4757 | len += n; | |
4758 | } else { | |
4759 | *mask = UINT8_MAX; | |
e6cc0bab | 4760 | } |
3bffc610 | 4761 | } |
2d18eae8 | 4762 | return len; |
3bffc610 | 4763 | } |
2d18eae8 JR |
4764 | return 0; |
4765 | } | |
3bffc610 | 4766 | |
07659514 JS |
4767 | static int |
4768 | scan_u16(const char *s, uint16_t *key, uint16_t *mask) | |
4769 | { | |
4770 | int n; | |
4771 | ||
4772 | if (ovs_scan(s, "%"SCNi16"%n", key, &n)) { | |
4773 | int len = n; | |
4774 | ||
4775 | if (mask) { | |
4776 | if (ovs_scan(s + len, "/%"SCNi16"%n", mask, &n)) { | |
4777 | len += n; | |
4778 | } else { | |
4779 | *mask = UINT16_MAX; | |
4780 | } | |
4781 | } | |
4782 | return len; | |
4783 | } | |
4784 | return 0; | |
4785 | } | |
4786 | ||
2d18eae8 JR |
4787 | static int |
4788 | scan_u32(const char *s, uint32_t *key, uint32_t *mask) | |
4789 | { | |
4790 | int n; | |
e6cc0bab | 4791 | |
2d18eae8 JR |
4792 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
4793 | int len = n; | |
e6cc0bab | 4794 | |
2d18eae8 JR |
4795 | if (mask) { |
4796 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
4797 | len += n; | |
4798 | } else { | |
4799 | *mask = UINT32_MAX; | |
e6cc0bab | 4800 | } |
b2a60db8 | 4801 | } |
2d18eae8 | 4802 | return len; |
b2a60db8 | 4803 | } |
2d18eae8 JR |
4804 | return 0; |
4805 | } | |
b2a60db8 | 4806 | |
2d18eae8 JR |
4807 | static int |
4808 | scan_be16(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4809 | { | |
4810 | uint16_t key_, mask_; | |
4811 | int n; | |
3bffc610 | 4812 | |
2d18eae8 JR |
4813 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
4814 | int len = n; | |
e6cc0bab | 4815 | |
2d18eae8 JR |
4816 | *key = htons(key_); |
4817 | if (mask) { | |
4818 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { | |
4819 | len += n; | |
4820 | *mask = htons(mask_); | |
4821 | } else { | |
4822 | *mask = OVS_BE16_MAX; | |
e6cc0bab | 4823 | } |
3bffc610 | 4824 | } |
2d18eae8 | 4825 | return len; |
3bffc610 | 4826 | } |
2d18eae8 JR |
4827 | return 0; |
4828 | } | |
3bffc610 | 4829 | |
3d2fbd70 JS |
4830 | static int |
4831 | scan_be32(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4832 | { | |
4833 | uint32_t key_, mask_; | |
4834 | int n; | |
4835 | ||
4836 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { | |
4837 | int len = n; | |
4838 | ||
4839 | *key = htonl(key_); | |
4840 | if (mask) { | |
4841 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { | |
4842 | len += n; | |
4843 | *mask = htonl(mask_); | |
4844 | } else { | |
4845 | *mask = OVS_BE32_MAX; | |
4846 | } | |
4847 | } | |
4848 | return len; | |
4849 | } | |
4850 | return 0; | |
4851 | } | |
4852 | ||
2d18eae8 JR |
4853 | static int |
4854 | scan_be64(const char *s, ovs_be64 *key, ovs_be64 *mask) | |
4855 | { | |
4856 | uint64_t key_, mask_; | |
4857 | int n; | |
3bffc610 | 4858 | |
2d18eae8 JR |
4859 | if (ovs_scan(s, "%"SCNi64"%n", &key_, &n)) { |
4860 | int len = n; | |
4861 | ||
4862 | *key = htonll(key_); | |
4863 | if (mask) { | |
4864 | if (ovs_scan(s + len, "/%"SCNi64"%n", &mask_, &n)) { | |
4865 | len += n; | |
4866 | *mask = htonll(mask_); | |
4867 | } else { | |
4868 | *mask = OVS_BE64_MAX; | |
e6cc0bab | 4869 | } |
3bffc610 | 4870 | } |
2d18eae8 | 4871 | return len; |
3bffc610 | 4872 | } |
2d18eae8 JR |
4873 | return 0; |
4874 | } | |
3bffc610 | 4875 | |
2d18eae8 JR |
4876 | static int |
4877 | scan_tun_flags(const char *s, uint16_t *key, uint16_t *mask) | |
4878 | { | |
4879 | uint32_t flags, fmask; | |
4880 | int n; | |
3bffc610 | 4881 | |
8e4c1621 JG |
4882 | n = parse_odp_flags(s, flow_tun_flag_to_string, &flags, |
4883 | FLOW_TNL_F_MASK, mask ? &fmask : NULL); | |
2d18eae8 JR |
4884 | if (n >= 0 && s[n] == ')') { |
4885 | *key = flags; | |
4886 | if (mask) { | |
4887 | *mask = fmask; | |
3bffc610 | 4888 | } |
2d18eae8 | 4889 | return n + 1; |
3bffc610 | 4890 | } |
2d18eae8 JR |
4891 | return 0; |
4892 | } | |
3bffc610 | 4893 | |
2d18eae8 JR |
4894 | static int |
4895 | scan_tcp_flags(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4896 | { | |
4897 | uint32_t flags, fmask; | |
4898 | int n; | |
b02475c5 | 4899 | |
8e4c1621 JG |
4900 | n = parse_odp_flags(s, packet_tcp_flag_to_string, &flags, |
4901 | TCP_FLAGS(OVS_BE16_MAX), mask ? &fmask : NULL); | |
2d18eae8 JR |
4902 | if (n >= 0) { |
4903 | *key = htons(flags); | |
4904 | if (mask) { | |
4905 | *mask = htons(fmask); | |
b02475c5 | 4906 | } |
2d18eae8 | 4907 | return n; |
b02475c5 | 4908 | } |
2d18eae8 JR |
4909 | return 0; |
4910 | } | |
b02475c5 | 4911 | |
07659514 JS |
4912 | static uint32_t |
4913 | ovs_to_odp_ct_state(uint8_t state) | |
4914 | { | |
4915 | uint32_t odp = 0; | |
4916 | ||
fd6cd1bf BP |
4917 | #define CS_STATE(ENUM, INDEX, NAME) \ |
4918 | if (state & CS_##ENUM) { \ | |
4919 | odp |= OVS_CS_F_##ENUM; \ | |
819571b5 | 4920 | } |
fd6cd1bf BP |
4921 | CS_STATES |
4922 | #undef CS_STATE | |
07659514 JS |
4923 | |
4924 | return odp; | |
4925 | } | |
4926 | ||
4927 | static uint8_t | |
4928 | odp_to_ovs_ct_state(uint32_t flags) | |
4929 | { | |
4930 | uint32_t state = 0; | |
4931 | ||
fd6cd1bf BP |
4932 | #define CS_STATE(ENUM, INDEX, NAME) \ |
4933 | if (flags & OVS_CS_F_##ENUM) { \ | |
4934 | state |= CS_##ENUM; \ | |
819571b5 | 4935 | } |
fd6cd1bf BP |
4936 | CS_STATES |
4937 | #undef CS_STATE | |
07659514 JS |
4938 | |
4939 | return state; | |
4940 | } | |
4941 | ||
4942 | static int | |
4943 | scan_ct_state(const char *s, uint32_t *key, uint32_t *mask) | |
4944 | { | |
4945 | uint32_t flags, fmask; | |
4946 | int n; | |
4947 | ||
4948 | n = parse_flags(s, odp_ct_state_to_string, ')', NULL, NULL, &flags, | |
4949 | ovs_to_odp_ct_state(CS_SUPPORTED_MASK), | |
4950 | mask ? &fmask : NULL); | |
4951 | ||
4952 | if (n >= 0) { | |
4953 | *key = flags; | |
4954 | if (mask) { | |
4955 | *mask = fmask; | |
4956 | } | |
4957 | return n; | |
4958 | } | |
4959 | return 0; | |
4960 | } | |
4961 | ||
2d18eae8 JR |
4962 | static int |
4963 | scan_frag(const char *s, uint8_t *key, uint8_t *mask) | |
4964 | { | |
4965 | int n; | |
4966 | char frag[8]; | |
4967 | enum ovs_frag_type frag_type; | |
e6cc0bab | 4968 | |
2d18eae8 JR |
4969 | if (ovs_scan(s, "%7[a-z]%n", frag, &n) |
4970 | && ovs_frag_type_from_string(frag, &frag_type)) { | |
4971 | int len = n; | |
e6cc0bab | 4972 | |
2d18eae8 JR |
4973 | *key = frag_type; |
4974 | if (mask) { | |
4975 | *mask = UINT8_MAX; | |
3bffc610 | 4976 | } |
2d18eae8 | 4977 | return len; |
3bffc610 | 4978 | } |
2d18eae8 JR |
4979 | return 0; |
4980 | } | |
3bffc610 | 4981 | |
2d18eae8 JR |
4982 | static int |
4983 | scan_port(const char *s, uint32_t *key, uint32_t *mask, | |
4984 | const struct simap *port_names) | |
4985 | { | |
4986 | int n; | |
3bffc610 | 4987 | |
2d18eae8 JR |
4988 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
4989 | int len = n; | |
e6cc0bab | 4990 | |
2d18eae8 JR |
4991 | if (mask) { |
4992 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
4993 | len += n; | |
4994 | } else { | |
4995 | *mask = UINT32_MAX; | |
e6cc0bab | 4996 | } |
3bffc610 | 4997 | } |
2d18eae8 JR |
4998 | return len; |
4999 | } else if (port_names) { | |
5000 | const struct simap_node *node; | |
5001 | int len; | |
e6cc0bab | 5002 | |
2d18eae8 JR |
5003 | len = strcspn(s, ")"); |
5004 | node = simap_find_len(port_names, s, len); | |
5005 | if (node) { | |
5006 | *key = node->data; | |
e6cc0bab AZ |
5007 | |
5008 | if (mask) { | |
2d18eae8 | 5009 | *mask = UINT32_MAX; |
e6cc0bab | 5010 | } |
2d18eae8 | 5011 | return len; |
3bffc610 BP |
5012 | } |
5013 | } | |
2d18eae8 JR |
5014 | return 0; |
5015 | } | |
3bffc610 | 5016 | |
2d18eae8 JR |
5017 | /* Helper for vlan parsing. */ |
5018 | struct ovs_key_vlan__ { | |
5019 | ovs_be16 tci; | |
5020 | }; | |
dc235f7f | 5021 | |
2d18eae8 JR |
5022 | static bool |
5023 | set_be16_bf(ovs_be16 *bf, uint8_t bits, uint8_t offset, uint16_t value) | |
5024 | { | |
5025 | const uint16_t mask = ((1U << bits) - 1) << offset; | |
ea2735d3 | 5026 | |
2d18eae8 JR |
5027 | if (value >> bits) { |
5028 | return false; | |
dc235f7f JR |
5029 | } |
5030 | ||
2d18eae8 JR |
5031 | *bf = htons((ntohs(*bf) & ~mask) | (value << offset)); |
5032 | return true; | |
5033 | } | |
e6cc0bab | 5034 | |
2d18eae8 JR |
5035 | static int |
5036 | scan_be16_bf(const char *s, ovs_be16 *key, ovs_be16 *mask, uint8_t bits, | |
5037 | uint8_t offset) | |
5038 | { | |
5039 | uint16_t key_, mask_; | |
5040 | int n; | |
3bffc610 | 5041 | |
2d18eae8 JR |
5042 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
5043 | int len = n; | |
e6cc0bab | 5044 | |
2d18eae8 | 5045 | if (set_be16_bf(key, bits, offset, key_)) { |
e6cc0bab | 5046 | if (mask) { |
2d18eae8 JR |
5047 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { |
5048 | len += n; | |
5049 | ||
5050 | if (!set_be16_bf(mask, bits, offset, mask_)) { | |
5051 | return 0; | |
5052 | } | |
5053 | } else { | |
5054 | *mask |= htons(((1U << bits) - 1) << offset); | |
5055 | } | |
e6cc0bab | 5056 | } |
2d18eae8 | 5057 | return len; |
3bffc610 BP |
5058 | } |
5059 | } | |
2d18eae8 JR |
5060 | return 0; |
5061 | } | |
3bffc610 | 5062 | |
2d18eae8 JR |
5063 | static int |
5064 | scan_vid(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
5065 | { | |
5066 | return scan_be16_bf(s, key, mask, 12, VLAN_VID_SHIFT); | |
5067 | } | |
c6bcb685 | 5068 | |
2d18eae8 JR |
5069 | static int |
5070 | scan_pcp(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
5071 | { | |
5072 | return scan_be16_bf(s, key, mask, 3, VLAN_PCP_SHIFT); | |
5073 | } | |
c6bcb685 | 5074 | |
2d18eae8 JR |
5075 | static int |
5076 | scan_cfi(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
5077 | { | |
5078 | return scan_be16_bf(s, key, mask, 1, VLAN_CFI_SHIFT); | |
5079 | } | |
c6bcb685 | 5080 | |
2d18eae8 JR |
5081 | /* For MPLS. */ |
5082 | static bool | |
5083 | set_be32_bf(ovs_be32 *bf, uint8_t bits, uint8_t offset, uint32_t value) | |
5084 | { | |
5085 | const uint32_t mask = ((1U << bits) - 1) << offset; | |
c6bcb685 | 5086 | |
2d18eae8 JR |
5087 | if (value >> bits) { |
5088 | return false; | |
c6bcb685 JS |
5089 | } |
5090 | ||
2d18eae8 JR |
5091 | *bf = htonl((ntohl(*bf) & ~mask) | (value << offset)); |
5092 | return true; | |
5093 | } | |
3bffc610 | 5094 | |
2d18eae8 JR |
5095 | static int |
5096 | scan_be32_bf(const char *s, ovs_be32 *key, ovs_be32 *mask, uint8_t bits, | |
5097 | uint8_t offset) | |
5098 | { | |
5099 | uint32_t key_, mask_; | |
5100 | int n; | |
3bffc610 | 5101 | |
2d18eae8 JR |
5102 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { |
5103 | int len = n; | |
e6cc0bab | 5104 | |
2d18eae8 | 5105 | if (set_be32_bf(key, bits, offset, key_)) { |
e6cc0bab | 5106 | if (mask) { |
2d18eae8 JR |
5107 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { |
5108 | len += n; | |
3bffc610 | 5109 | |
2d18eae8 JR |
5110 | if (!set_be32_bf(mask, bits, offset, mask_)) { |
5111 | return 0; | |
5112 | } | |
5113 | } else { | |
5114 | *mask |= htonl(((1U << bits) - 1) << offset); | |
5115 | } | |
e6cc0bab | 5116 | } |
2d18eae8 | 5117 | return len; |
3bffc610 BP |
5118 | } |
5119 | } | |
2d18eae8 JR |
5120 | return 0; |
5121 | } | |
3bffc610 | 5122 | |
2d18eae8 JR |
5123 | static int |
5124 | scan_mpls_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
5125 | { | |
5126 | return scan_be32_bf(s, key, mask, 20, MPLS_LABEL_SHIFT); | |
5127 | } | |
3bffc610 | 5128 | |
2d18eae8 JR |
5129 | static int |
5130 | scan_mpls_tc(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
5131 | { | |
5132 | return scan_be32_bf(s, key, mask, 3, MPLS_TC_SHIFT); | |
5133 | } | |
e6cc0bab | 5134 | |
2d18eae8 JR |
5135 | static int |
5136 | scan_mpls_ttl(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
5137 | { | |
5138 | return scan_be32_bf(s, key, mask, 8, MPLS_TTL_SHIFT); | |
5139 | } | |
e6cc0bab | 5140 | |
2d18eae8 JR |
5141 | static int |
5142 | scan_mpls_bos(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
5143 | { | |
5144 | return scan_be32_bf(s, key, mask, 1, MPLS_BOS_SHIFT); | |
5145 | } | |
5146 | ||
65da723b JG |
5147 | static int |
5148 | scan_vxlan_gbp(const char *s, uint32_t *key, uint32_t *mask) | |
5149 | { | |
5150 | const char *s_base = s; | |
3139b8e9 JR |
5151 | ovs_be16 id = 0, id_mask = 0; |
5152 | uint8_t flags = 0, flags_mask = 0; | |
4e9c96f0 | 5153 | int len; |
65da723b JG |
5154 | |
5155 | if (!strncmp(s, "id=", 3)) { | |
5156 | s += 3; | |
4e9c96f0 YS |
5157 | len = scan_be16(s, &id, mask ? &id_mask : NULL); |
5158 | if (len == 0) { | |
2d3deb58 | 5159 | return 0; |
4e9c96f0 YS |
5160 | } |
5161 | s += len; | |
65da723b JG |
5162 | } |
5163 | ||
5164 | if (s[0] == ',') { | |
5165 | s++; | |
5166 | } | |
5167 | if (!strncmp(s, "flags=", 6)) { | |
5168 | s += 6; | |
4e9c96f0 YS |
5169 | len = scan_u8(s, &flags, mask ? &flags_mask : NULL); |
5170 | if (len == 0) { | |
2d3deb58 | 5171 | return 0; |
4e9c96f0 YS |
5172 | } |
5173 | s += len; | |
65da723b JG |
5174 | } |
5175 | ||
5176 | if (!strncmp(s, "))", 2)) { | |
5177 | s += 2; | |
5178 | ||
5179 | *key = (flags << 16) | ntohs(id); | |
5180 | if (mask) { | |
5181 | *mask = (flags_mask << 16) | ntohs(id_mask); | |
5182 | } | |
5183 | ||
5184 | return s - s_base; | |
5185 | } | |
5186 | ||
5187 | return 0; | |
5188 | } | |
5189 | ||
3c6d05a0 WT |
5190 | static int |
5191 | scan_gtpu_metadata(const char *s, | |
5192 | struct gtpu_metadata *key, | |
5193 | struct gtpu_metadata *mask) | |
5194 | { | |
5195 | const char *s_base = s; | |
1e1a1566 IM |
5196 | uint8_t flags = 0, flags_ma = 0; |
5197 | uint8_t msgtype = 0, msgtype_ma = 0; | |
3c6d05a0 WT |
5198 | int len; |
5199 | ||
5200 | if (!strncmp(s, "flags=", 6)) { | |
5201 | s += 6; | |
5202 | len = scan_u8(s, &flags, mask ? &flags_ma : NULL); | |
5203 | if (len == 0) { | |
5204 | return 0; | |
5205 | } | |
5206 | s += len; | |
5207 | } | |
5208 | ||
5209 | if (s[0] == ',') { | |
5210 | s++; | |
5211 | } | |
5212 | ||
5213 | if (!strncmp(s, "msgtype=", 8)) { | |
5214 | s += 8; | |
5215 | len = scan_u8(s, &msgtype, mask ? &msgtype_ma : NULL); | |
5216 | if (len == 0) { | |
5217 | return 0; | |
5218 | } | |
5219 | s += len; | |
5220 | } | |
5221 | ||
5222 | if (!strncmp(s, ")", 1)) { | |
5223 | s += 1; | |
5224 | key->flags = flags; | |
5225 | key->msgtype = msgtype; | |
5226 | if (mask) { | |
5227 | mask->flags = flags_ma; | |
5228 | mask->msgtype = msgtype_ma; | |
5229 | } | |
5230 | } | |
5231 | return s - s_base; | |
5232 | } | |
5233 | ||
98514eea WT |
5234 | static int |
5235 | scan_erspan_metadata(const char *s, | |
5236 | struct erspan_metadata *key, | |
5237 | struct erspan_metadata *mask) | |
5238 | { | |
5239 | const char *s_base = s; | |
5240 | uint32_t idx = 0, idx_mask = 0; | |
5241 | uint8_t ver = 0, dir = 0, hwid = 0; | |
5242 | uint8_t ver_mask = 0, dir_mask = 0, hwid_mask = 0; | |
4e9c96f0 | 5243 | int len; |
98514eea WT |
5244 | |
5245 | if (!strncmp(s, "ver=", 4)) { | |
5246 | s += 4; | |
4e9c96f0 YS |
5247 | len = scan_u8(s, &ver, mask ? &ver_mask : NULL); |
5248 | if (len == 0) { | |
2d3deb58 | 5249 | return 0; |
4e9c96f0 YS |
5250 | } |
5251 | s += len; | |
98514eea WT |
5252 | } |
5253 | ||
5254 | if (s[0] == ',') { | |
5255 | s++; | |
5256 | } | |
5257 | ||
5258 | if (ver == 1) { | |
5259 | if (!strncmp(s, "idx=", 4)) { | |
5260 | s += 4; | |
4e9c96f0 YS |
5261 | len = scan_u32(s, &idx, mask ? &idx_mask : NULL); |
5262 | if (len == 0) { | |
2d3deb58 | 5263 | return 0; |
4e9c96f0 YS |
5264 | } |
5265 | s += len; | |
98514eea WT |
5266 | } |
5267 | ||
5268 | if (!strncmp(s, ")", 1)) { | |
5269 | s += 1; | |
5270 | key->version = ver; | |
5271 | key->u.index = htonl(idx); | |
5272 | if (mask) { | |
5273 | mask->u.index = htonl(idx_mask); | |
5274 | } | |
5275 | } | |
5276 | return s - s_base; | |
5277 | ||
5278 | } else if (ver == 2) { | |
5279 | if (!strncmp(s, "dir=", 4)) { | |
5280 | s += 4; | |
4e9c96f0 YS |
5281 | len = scan_u8(s, &dir, mask ? &dir_mask : NULL); |
5282 | if (len == 0) { | |
2d3deb58 | 5283 | return 0; |
4e9c96f0 YS |
5284 | } |
5285 | s += len; | |
98514eea WT |
5286 | } |
5287 | if (s[0] == ',') { | |
5288 | s++; | |
5289 | } | |
5290 | if (!strncmp(s, "hwid=", 5)) { | |
5291 | s += 5; | |
4e9c96f0 YS |
5292 | len = scan_u8(s, &hwid, mask ? &hwid_mask : NULL); |
5293 | if (len == 0) { | |
2d3deb58 | 5294 | return 0; |
4e9c96f0 YS |
5295 | } |
5296 | s += len; | |
98514eea WT |
5297 | } |
5298 | ||
5299 | if (!strncmp(s, ")", 1)) { | |
5300 | s += 1; | |
5301 | key->version = ver; | |
5302 | key->u.md2.hwid = hwid; | |
5303 | key->u.md2.dir = dir; | |
5304 | if (mask) { | |
5305 | mask->u.md2.hwid = hwid_mask; | |
5306 | mask->u.md2.dir = dir_mask; | |
5307 | } | |
5308 | } | |
5309 | return s - s_base; | |
5310 | } | |
5311 | ||
5312 | return 0; | |
5313 | } | |
5314 | ||
622a0a8e JG |
5315 | static int |
5316 | scan_geneve(const char *s, struct geneve_scan *key, struct geneve_scan *mask) | |
5317 | { | |
5318 | const char *s_base = s; | |
c05c01cd JG |
5319 | struct geneve_opt *opt = key->d; |
5320 | struct geneve_opt *opt_mask = mask ? mask->d : NULL; | |
622a0a8e | 5321 | int len_remain = sizeof key->d; |
4e9c96f0 | 5322 | int len; |
622a0a8e JG |
5323 | |
5324 | while (s[0] == '{' && len_remain >= sizeof *opt) { | |
5325 | int data_len = 0; | |
5326 | ||
5327 | s++; | |
5328 | len_remain -= sizeof *opt; | |
5329 | ||
5330 | if (!strncmp(s, "class=", 6)) { | |
5331 | s += 6; | |
4e9c96f0 YS |
5332 | len = scan_be16(s, &opt->opt_class, |
5333 | mask ? &opt_mask->opt_class : NULL); | |
5334 | if (len == 0) { | |
2d3deb58 | 5335 | return 0; |
4e9c96f0 YS |
5336 | } |
5337 | s += len; | |
622a0a8e JG |
5338 | } else if (mask) { |
5339 | memset(&opt_mask->opt_class, 0, sizeof opt_mask->opt_class); | |
5340 | } | |
5341 | ||
5342 | if (s[0] == ',') { | |
5343 | s++; | |
5344 | } | |
5345 | if (!strncmp(s, "type=", 5)) { | |
5346 | s += 5; | |
4e9c96f0 YS |
5347 | len = scan_u8(s, &opt->type, mask ? &opt_mask->type : NULL); |
5348 | if (len == 0) { | |
2d3deb58 | 5349 | return 0; |
4e9c96f0 YS |
5350 | } |
5351 | s += len; | |
622a0a8e JG |
5352 | } else if (mask) { |
5353 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
5354 | } | |
5355 | ||
5356 | if (s[0] == ',') { | |
5357 | s++; | |
5358 | } | |
5359 | if (!strncmp(s, "len=", 4)) { | |
5360 | uint8_t opt_len, opt_len_mask; | |
5361 | s += 4; | |
4e9c96f0 YS |
5362 | len = scan_u8(s, &opt_len, mask ? &opt_len_mask : NULL); |
5363 | if (len == 0) { | |
2d3deb58 | 5364 | return 0; |
4e9c96f0 YS |
5365 | } |
5366 | s += len; | |
622a0a8e JG |
5367 | |
5368 | if (opt_len > 124 || opt_len % 4 || opt_len > len_remain) { | |
5369 | return 0; | |
5370 | } | |
5371 | opt->length = opt_len / 4; | |
5372 | if (mask) { | |
5373 | opt_mask->length = opt_len_mask; | |
5374 | } | |
5375 | data_len = opt_len; | |
5376 | } else if (mask) { | |
5377 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
5378 | } | |
5379 | ||
5380 | if (s[0] == ',') { | |
5381 | s++; | |
0f6379e7 IM |
5382 | if (parse_int_string(s, (uint8_t *)(opt + 1), |
5383 | data_len, (char **)&s)) { | |
5384 | return 0; | |
5385 | } | |
622a0a8e | 5386 | } |
622a0a8e JG |
5387 | if (mask) { |
5388 | if (s[0] == '/') { | |
5389 | s++; | |
5390 | if (parse_int_string(s, (uint8_t *)(opt_mask + 1), | |
5391 | data_len, (char **)&s)) { | |
5392 | return 0; | |
5393 | } | |
5394 | } | |
5395 | opt_mask->r1 = 0; | |
5396 | opt_mask->r2 = 0; | |
5397 | opt_mask->r3 = 0; | |
5398 | } | |
5399 | ||
5400 | if (s[0] == '}') { | |
5401 | s++; | |
5402 | opt += 1 + data_len / 4; | |
5403 | if (mask) { | |
5404 | opt_mask += 1 + data_len / 4; | |
5405 | } | |
5406 | len_remain -= data_len; | |
2d3deb58 YS |
5407 | } else { |
5408 | return 0; | |
622a0a8e JG |
5409 | } |
5410 | } | |
5411 | ||
5412 | if (s[0] == ')') { | |
4e9c96f0 | 5413 | len = sizeof key->d - len_remain; |
622a0a8e JG |
5414 | |
5415 | s++; | |
5416 | key->len = len; | |
5417 | if (mask) { | |
5418 | mask->len = len; | |
5419 | } | |
5420 | return s - s_base; | |
5421 | } | |
5422 | ||
5423 | return 0; | |
5424 | } | |
5425 | ||
65da723b JG |
5426 | static void |
5427 | tun_flags_to_attr(struct ofpbuf *a, const void *data_) | |
5428 | { | |
5429 | const uint16_t *flags = data_; | |
5430 | ||
5431 | if (*flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
5432 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
5433 | } | |
5434 | if (*flags & FLOW_TNL_F_CSUM) { | |
5435 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
5436 | } | |
5437 | if (*flags & FLOW_TNL_F_OAM) { | |
5438 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
5439 | } | |
5440 | } | |
5441 | ||
5442 | static void | |
5443 | vxlan_gbp_to_attr(struct ofpbuf *a, const void *data_) | |
5444 | { | |
5445 | const uint32_t *gbp = data_; | |
5446 | ||
5447 | if (*gbp) { | |
5448 | size_t vxlan_opts_ofs; | |
5449 | ||
5450 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
5451 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, *gbp); | |
5452 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
5453 | } | |
5454 | } | |
5455 | ||
622a0a8e JG |
5456 | static void |
5457 | geneve_to_attr(struct ofpbuf *a, const void *data_) | |
5458 | { | |
5459 | const struct geneve_scan *geneve = data_; | |
5460 | ||
5461 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, geneve->d, | |
5462 | geneve->len); | |
5463 | } | |
5464 | ||
98514eea WT |
5465 | static void |
5466 | erspan_to_attr(struct ofpbuf *a, const void *data_) | |
5467 | { | |
5468 | const struct erspan_metadata *md = data_; | |
5469 | ||
5470 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, md, | |
5471 | sizeof *md); | |
5472 | } | |
5473 | ||
3c6d05a0 WT |
5474 | static void |
5475 | gtpu_to_attr(struct ofpbuf *a, const void *data_) | |
5476 | { | |
5477 | const struct gtpu_metadata *md = data_; | |
5478 | ||
5479 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GTPU_OPTS, md, | |
5480 | sizeof *md); | |
5481 | } | |
5482 | ||
65da723b JG |
5483 | #define SCAN_PUT_ATTR(BUF, ATTR, DATA, FUNC) \ |
5484 | { \ | |
5485 | unsigned long call_fn = (unsigned long)FUNC; \ | |
5486 | if (call_fn) { \ | |
5487 | typedef void (*fn)(struct ofpbuf *, const void *); \ | |
5488 | fn func = FUNC; \ | |
5489 | func(BUF, &(DATA)); \ | |
5490 | } else { \ | |
5491 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)); \ | |
5492 | } \ | |
2d18eae8 JR |
5493 | } |
5494 | ||
5495 | #define SCAN_IF(NAME) \ | |
5496 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5497 | const char *start = s; \ | |
5498 | int len; \ | |
5499 | \ | |
5500 | s += strlen(NAME) | |
5501 | ||
5502 | /* Usually no special initialization is needed. */ | |
5503 | #define SCAN_BEGIN(NAME, TYPE) \ | |
5504 | SCAN_IF(NAME); \ | |
5505 | TYPE skey, smask; \ | |
5506 | memset(&skey, 0, sizeof skey); \ | |
5507 | memset(&smask, 0, sizeof smask); \ | |
5508 | do { \ | |
5509 | len = 0; | |
5510 | ||
657ac953 JR |
5511 | /* Init as fully-masked as mask will not be scanned. */ |
5512 | #define SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) \ | |
5513 | SCAN_IF(NAME); \ | |
5514 | TYPE skey, smask; \ | |
5515 | memset(&skey, 0, sizeof skey); \ | |
5516 | memset(&smask, 0xff, sizeof smask); \ | |
5517 | do { \ | |
5518 | len = 0; | |
5519 | ||
2d18eae8 JR |
5520 | /* VLAN needs special initialization. */ |
5521 | #define SCAN_BEGIN_INIT(NAME, TYPE, KEY_INIT, MASK_INIT) \ | |
5522 | SCAN_IF(NAME); \ | |
5523 | TYPE skey = KEY_INIT; \ | |
5524 | TYPE smask = MASK_INIT; \ | |
5525 | do { \ | |
5526 | len = 0; | |
5527 | ||
5528 | /* Scan unnamed entry as 'TYPE' */ | |
5529 | #define SCAN_TYPE(TYPE, KEY, MASK) \ | |
5530 | len = scan_##TYPE(s, KEY, MASK); \ | |
5531 | if (len == 0) { \ | |
5532 | return -EINVAL; \ | |
5533 | } \ | |
5534 | s += len | |
5535 | ||
5536 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
5537 | #define SCAN_FIELD(NAME, TYPE, FIELD) \ | |
5538 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5539 | s += strlen(NAME); \ | |
5540 | SCAN_TYPE(TYPE, &skey.FIELD, mask ? &smask.FIELD : NULL); \ | |
5541 | continue; \ | |
5542 | } | |
5543 | ||
5544 | #define SCAN_FINISH() \ | |
5545 | } while (*s++ == ',' && len != 0); \ | |
5546 | if (s[-1] != ')') { \ | |
5547 | return -EINVAL; \ | |
5548 | } | |
5549 | ||
5550 | #define SCAN_FINISH_SINGLE() \ | |
5551 | } while (false); \ | |
5552 | if (*s++ != ')') { \ | |
5553 | return -EINVAL; \ | |
5554 | } | |
5555 | ||
65da723b JG |
5556 | /* Beginning of nested attribute. */ |
5557 | #define SCAN_BEGIN_NESTED(NAME, ATTR) \ | |
5558 | SCAN_IF(NAME); \ | |
c3013fd3 | 5559 | size_t key_offset, mask_offset = 0; \ |
65da723b JG |
5560 | key_offset = nl_msg_start_nested(key, ATTR); \ |
5561 | if (mask) { \ | |
5562 | mask_offset = nl_msg_start_nested(mask, ATTR); \ | |
5563 | } \ | |
5564 | do { \ | |
5565 | len = 0; | |
5566 | ||
bb930389 IM |
5567 | #define SCAN_END_NESTED() \ |
5568 | SCAN_FINISH(); \ | |
5569 | if (nl_attr_oversized(key->size - key_offset - NLA_HDRLEN)) { \ | |
5570 | return -E2BIG; \ | |
5571 | } \ | |
5572 | nl_msg_end_nested(key, key_offset); \ | |
5573 | if (mask) { \ | |
5574 | nl_msg_end_nested(mask, mask_offset); \ | |
5575 | } \ | |
5576 | return s - start; \ | |
65da723b JG |
5577 | } |
5578 | ||
5579 | #define SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, FUNC) \ | |
5580 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5581 | TYPE skey, smask; \ | |
5582 | memset(&skey, 0, sizeof skey); \ | |
5583 | memset(&smask, 0xff, sizeof smask); \ | |
5584 | s += strlen(NAME); \ | |
5585 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
5586 | SCAN_PUT(ATTR, FUNC); \ | |
5587 | continue; \ | |
5588 | } | |
5589 | ||
5590 | #define SCAN_FIELD_NESTED(NAME, TYPE, SCAN_AS, ATTR) \ | |
5591 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, NULL) | |
5592 | ||
5593 | #define SCAN_FIELD_NESTED_FUNC(NAME, TYPE, SCAN_AS, FUNC) \ | |
5594 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, 0, FUNC) | |
5595 | ||
5596 | #define SCAN_PUT(ATTR, FUNC) \ | |
00ec4017 HE |
5597 | SCAN_PUT_ATTR(key, ATTR, skey, FUNC); \ |
5598 | if (mask) \ | |
5599 | SCAN_PUT_ATTR(mask, ATTR, smask, FUNC); \ | |
2d18eae8 JR |
5600 | |
5601 | #define SCAN_END(ATTR) \ | |
5602 | SCAN_FINISH(); \ | |
65da723b | 5603 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
5604 | return s - start; \ |
5605 | } | |
5606 | ||
8f79bb4d JR |
5607 | #define SCAN_BEGIN_ARRAY(NAME, TYPE, CNT) \ |
5608 | SCAN_IF(NAME); \ | |
5609 | TYPE skey[CNT], smask[CNT]; \ | |
5610 | memset(&skey, 0, sizeof skey); \ | |
5611 | memset(&smask, 0, sizeof smask); \ | |
5612 | int idx = 0, cnt = CNT; \ | |
5613 | uint64_t fields = 0; \ | |
5614 | do { \ | |
5615 | int field = 0; \ | |
5616 | len = 0; | |
5617 | ||
5618 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
5619 | #define SCAN_FIELD_ARRAY(NAME, TYPE, FIELD) \ | |
5620 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5621 | if (fields & (1UL << field)) { \ | |
5622 | fields = 0; \ | |
5623 | if (++idx == cnt) { \ | |
5624 | break; \ | |
5625 | } \ | |
5626 | } \ | |
5627 | s += strlen(NAME); \ | |
5628 | SCAN_TYPE(TYPE, &skey[idx].FIELD, mask ? &smask[idx].FIELD : NULL); \ | |
5629 | fields |= 1UL << field; \ | |
5630 | continue; \ | |
5631 | } \ | |
5632 | field++; | |
5633 | ||
5634 | #define SCAN_PUT_ATTR_ARRAY(BUF, ATTR, DATA, CNT) \ | |
5635 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)[0] * (CNT)); \ | |
5636 | ||
5637 | #define SCAN_PUT_ARRAY(ATTR, CNT) \ | |
5638 | SCAN_PUT_ATTR_ARRAY(key, ATTR, skey, CNT); \ | |
5639 | if (mask) { \ | |
5640 | SCAN_PUT_ATTR_ARRAY(mask, ATTR, smask, CNT); \ | |
5641 | } | |
5642 | ||
5643 | #define SCAN_END_ARRAY(ATTR) \ | |
5644 | SCAN_FINISH(); \ | |
5645 | if (idx == cnt) { \ | |
5646 | return -EINVAL; \ | |
5647 | } \ | |
5648 | SCAN_PUT_ARRAY(ATTR, idx + 1); \ | |
5649 | return s - start; \ | |
5650 | } | |
5651 | ||
2d18eae8 JR |
5652 | #define SCAN_END_SINGLE(ATTR) \ |
5653 | SCAN_FINISH_SINGLE(); \ | |
65da723b | 5654 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
5655 | return s - start; \ |
5656 | } | |
5657 | ||
5658 | #define SCAN_SINGLE(NAME, TYPE, SCAN_AS, ATTR) \ | |
5659 | SCAN_BEGIN(NAME, TYPE) { \ | |
5660 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
5661 | } SCAN_END_SINGLE(ATTR) | |
5662 | ||
657ac953 JR |
5663 | #define SCAN_SINGLE_FULLY_MASKED(NAME, TYPE, SCAN_AS, ATTR) \ |
5664 | SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) { \ | |
5665 | SCAN_TYPE(SCAN_AS, &skey, NULL); \ | |
2d18eae8 JR |
5666 | } SCAN_END_SINGLE(ATTR) |
5667 | ||
5668 | /* scan_port needs one extra argument. */ | |
5669 | #define SCAN_SINGLE_PORT(NAME, TYPE, ATTR) \ | |
5670 | SCAN_BEGIN(NAME, TYPE) { \ | |
ac20d3fe YS |
5671 | len = scan_port(s, &skey, &smask, \ |
5672 | context->port_names); \ | |
2d18eae8 JR |
5673 | if (len == 0) { \ |
5674 | return -EINVAL; \ | |
5675 | } \ | |
5676 | s += len; \ | |
5677 | } SCAN_END_SINGLE(ATTR) | |
3bffc610 | 5678 | |
f59cb331 YY |
5679 | static int |
5680 | parse_odp_nsh_key_mask_attr(const char *s, struct ofpbuf *key, | |
5681 | struct ofpbuf *mask) | |
5682 | { | |
5683 | if (strncmp(s, "nsh(", 4) == 0) { | |
5684 | const char *start = s; | |
5685 | int len; | |
17553f27 YY |
5686 | struct ovs_key_nsh skey, smask; |
5687 | uint32_t spi = 0, spi_mask = 0; | |
5688 | uint8_t si = 0, si_mask = 0; | |
f59cb331 YY |
5689 | |
5690 | s += 4; | |
5691 | ||
5692 | memset(&skey, 0, sizeof skey); | |
5693 | memset(&smask, 0, sizeof smask); | |
5694 | do { | |
5695 | len = 0; | |
5696 | ||
5697 | if (strncmp(s, "flags=", 6) == 0) { | |
5698 | s += 6; | |
5699 | len = scan_u8(s, &skey.flags, mask ? &smask.flags : NULL); | |
5700 | if (len == 0) { | |
5701 | return -EINVAL; | |
5702 | } | |
5703 | s += len; | |
5704 | continue; | |
5705 | } | |
5706 | ||
5707 | if (strncmp(s, "mdtype=", 7) == 0) { | |
5708 | s += 7; | |
5709 | len = scan_u8(s, &skey.mdtype, mask ? &smask.mdtype : NULL); | |
5710 | if (len == 0) { | |
5711 | return -EINVAL; | |
5712 | } | |
5713 | s += len; | |
5714 | continue; | |
5715 | } | |
5716 | ||
5717 | if (strncmp(s, "np=", 3) == 0) { | |
5718 | s += 3; | |
5719 | len = scan_u8(s, &skey.np, mask ? &smask.np : NULL); | |
5720 | if (len == 0) { | |
5721 | return -EINVAL; | |
5722 | } | |
5723 | s += len; | |
5724 | continue; | |
5725 | } | |
5726 | ||
5727 | if (strncmp(s, "spi=", 4) == 0) { | |
5728 | s += 4; | |
17553f27 | 5729 | len = scan_u32(s, &spi, mask ? &spi_mask : NULL); |
f59cb331 YY |
5730 | if (len == 0) { |
5731 | return -EINVAL; | |
5732 | } | |
5733 | s += len; | |
5734 | continue; | |
5735 | } | |
5736 | ||
5737 | if (strncmp(s, "si=", 3) == 0) { | |
5738 | s += 3; | |
17553f27 | 5739 | len = scan_u8(s, &si, mask ? &si_mask : NULL); |
f59cb331 YY |
5740 | if (len == 0) { |
5741 | return -EINVAL; | |
5742 | } | |
5743 | s += len; | |
5744 | continue; | |
5745 | } | |
5746 | ||
5747 | if (strncmp(s, "c1=", 3) == 0) { | |
5748 | s += 3; | |
5749 | len = scan_be32(s, &skey.context[0], | |
5750 | mask ? &smask.context[0] : NULL); | |
5751 | if (len == 0) { | |
5752 | return -EINVAL; | |
5753 | } | |
5754 | s += len; | |
5755 | continue; | |
5756 | } | |
5757 | ||
5758 | if (strncmp(s, "c2=", 3) == 0) { | |
5759 | s += 3; | |
5760 | len = scan_be32(s, &skey.context[1], | |
5761 | mask ? &smask.context[1] : NULL); | |
5762 | if (len == 0) { | |
5763 | return -EINVAL; | |
5764 | } | |
5765 | s += len; | |
5766 | continue; | |
5767 | } | |
5768 | ||
5769 | if (strncmp(s, "c3=", 3) == 0) { | |
5770 | s += 3; | |
5771 | len = scan_be32(s, &skey.context[2], | |
5772 | mask ? &smask.context[2] : NULL); | |
5773 | if (len == 0) { | |
5774 | return -EINVAL; | |
5775 | } | |
5776 | s += len; | |
5777 | continue; | |
5778 | } | |
5779 | ||
5780 | if (strncmp(s, "c4=", 3) == 0) { | |
5781 | s += 3; | |
5782 | len = scan_be32(s, &skey.context[3], | |
5783 | mask ? &smask.context[3] : NULL); | |
5784 | if (len == 0) { | |
5785 | return -EINVAL; | |
5786 | } | |
5787 | s += len; | |
5788 | continue; | |
5789 | } | |
5790 | } while (*s++ == ',' && len != 0); | |
5791 | if (s[-1] != ')') { | |
5792 | return -EINVAL; | |
5793 | } | |
5794 | ||
17553f27 YY |
5795 | skey.path_hdr = nsh_spi_si_to_path_hdr(spi, si); |
5796 | smask.path_hdr = nsh_spi_si_to_path_hdr(spi_mask, si_mask); | |
5797 | ||
f59cb331 YY |
5798 | nsh_key_to_attr(key, &skey, NULL, 0, false); |
5799 | if (mask) { | |
5800 | nsh_key_to_attr(mask, &smask, NULL, 0, true); | |
5801 | } | |
5802 | return s - start; | |
5803 | } | |
5804 | return 0; | |
5805 | } | |
5806 | ||
2d18eae8 | 5807 | static int |
ac20d3fe | 5808 | parse_odp_key_mask_attr(struct parse_odp_context *context, const char *s, |
2d18eae8 | 5809 | struct ofpbuf *key, struct ofpbuf *mask) |
5fbe9d15 TA |
5810 | { |
5811 | int retval; | |
5812 | ||
5813 | context->depth++; | |
5814 | ||
5815 | if (context->depth == MAX_ODP_NESTED) { | |
5816 | retval = -EINVAL; | |
5817 | } else { | |
5818 | retval = parse_odp_key_mask_attr__(context, s, key, mask); | |
5819 | } | |
5820 | ||
5821 | context->depth--; | |
5822 | ||
5823 | return retval; | |
5824 | } | |
5825 | ||
5826 | static int | |
5827 | parse_odp_key_mask_attr__(struct parse_odp_context *context, const char *s, | |
5828 | struct ofpbuf *key, struct ofpbuf *mask) | |
2d18eae8 JR |
5829 | { |
5830 | SCAN_SINGLE("skb_priority(", uint32_t, u32, OVS_KEY_ATTR_PRIORITY); | |
5831 | SCAN_SINGLE("skb_mark(", uint32_t, u32, OVS_KEY_ATTR_SKB_MARK); | |
657ac953 JR |
5832 | SCAN_SINGLE_FULLY_MASKED("recirc_id(", uint32_t, u32, |
5833 | OVS_KEY_ATTR_RECIRC_ID); | |
2d18eae8 JR |
5834 | SCAN_SINGLE("dp_hash(", uint32_t, u32, OVS_KEY_ATTR_DP_HASH); |
5835 | ||
07659514 JS |
5836 | SCAN_SINGLE("ct_state(", uint32_t, ct_state, OVS_KEY_ATTR_CT_STATE); |
5837 | SCAN_SINGLE("ct_zone(", uint16_t, u16, OVS_KEY_ATTR_CT_ZONE); | |
8e53fe8c | 5838 | SCAN_SINGLE("ct_mark(", uint32_t, u32, OVS_KEY_ATTR_CT_MARK); |
9daf2348 | 5839 | SCAN_SINGLE("ct_label(", ovs_u128, u128, OVS_KEY_ATTR_CT_LABELS); |
07659514 | 5840 | |
daf4d3c1 JR |
5841 | SCAN_BEGIN("ct_tuple4(", struct ovs_key_ct_tuple_ipv4) { |
5842 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
5843 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
5844 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
5845 | SCAN_FIELD("tp_src=", be16, src_port); | |
5846 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
5847 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4); | |
5848 | ||
5849 | SCAN_BEGIN("ct_tuple6(", struct ovs_key_ct_tuple_ipv6) { | |
5850 | SCAN_FIELD("src=", in6_addr, ipv6_src); | |
5851 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
5852 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
5853 | SCAN_FIELD("tp_src=", be16, src_port); | |
5854 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
5855 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6); | |
5856 | ||
65da723b JG |
5857 | SCAN_BEGIN_NESTED("tunnel(", OVS_KEY_ATTR_TUNNEL) { |
5858 | SCAN_FIELD_NESTED("tun_id=", ovs_be64, be64, OVS_TUNNEL_KEY_ATTR_ID); | |
5859 | SCAN_FIELD_NESTED("src=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_SRC); | |
5860 | SCAN_FIELD_NESTED("dst=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_DST); | |
ffe4c74f JB |
5861 | SCAN_FIELD_NESTED("ipv6_src=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_SRC); |
5862 | SCAN_FIELD_NESTED("ipv6_dst=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_DST); | |
65da723b JG |
5863 | SCAN_FIELD_NESTED("tos=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TOS); |
5864 | SCAN_FIELD_NESTED("ttl=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TTL); | |
5865 | SCAN_FIELD_NESTED("tp_src=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_SRC); | |
5866 | SCAN_FIELD_NESTED("tp_dst=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_DST); | |
98514eea WT |
5867 | SCAN_FIELD_NESTED_FUNC("erspan(", struct erspan_metadata, erspan_metadata, |
5868 | erspan_to_attr); | |
65da723b | 5869 | SCAN_FIELD_NESTED_FUNC("vxlan(gbp(", uint32_t, vxlan_gbp, vxlan_gbp_to_attr); |
622a0a8e JG |
5870 | SCAN_FIELD_NESTED_FUNC("geneve(", struct geneve_scan, geneve, |
5871 | geneve_to_attr); | |
3c6d05a0 WT |
5872 | SCAN_FIELD_NESTED_FUNC("gtpu(", struct gtpu_metadata, gtpu_metadata, |
5873 | gtpu_to_attr); | |
65da723b JG |
5874 | SCAN_FIELD_NESTED_FUNC("flags(", uint16_t, tun_flags, tun_flags_to_attr); |
5875 | } SCAN_END_NESTED(); | |
2d18eae8 JR |
5876 | |
5877 | SCAN_SINGLE_PORT("in_port(", uint32_t, OVS_KEY_ATTR_IN_PORT); | |
5878 | ||
5879 | SCAN_BEGIN("eth(", struct ovs_key_ethernet) { | |
5880 | SCAN_FIELD("src=", eth, eth_src); | |
5881 | SCAN_FIELD("dst=", eth, eth_dst); | |
5882 | } SCAN_END(OVS_KEY_ATTR_ETHERNET); | |
5883 | ||
5884 | SCAN_BEGIN_INIT("vlan(", struct ovs_key_vlan__, | |
5885 | { htons(VLAN_CFI) }, { htons(VLAN_CFI) }) { | |
5886 | SCAN_FIELD("vid=", vid, tci); | |
5887 | SCAN_FIELD("pcp=", pcp, tci); | |
5888 | SCAN_FIELD("cfi=", cfi, tci); | |
5889 | } SCAN_END(OVS_KEY_ATTR_VLAN); | |
5890 | ||
5891 | SCAN_SINGLE("eth_type(", ovs_be16, be16, OVS_KEY_ATTR_ETHERTYPE); | |
5892 | ||
ab83c8c5 | 5893 | SCAN_BEGIN_ARRAY("mpls(", struct ovs_key_mpls, FLOW_MAX_MPLS_LABELS) { |
8f79bb4d JR |
5894 | SCAN_FIELD_ARRAY("label=", mpls_label, mpls_lse); |
5895 | SCAN_FIELD_ARRAY("tc=", mpls_tc, mpls_lse); | |
5896 | SCAN_FIELD_ARRAY("ttl=", mpls_ttl, mpls_lse); | |
5897 | SCAN_FIELD_ARRAY("bos=", mpls_bos, mpls_lse); | |
5898 | } SCAN_END_ARRAY(OVS_KEY_ATTR_MPLS); | |
2d18eae8 JR |
5899 | |
5900 | SCAN_BEGIN("ipv4(", struct ovs_key_ipv4) { | |
5901 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
5902 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
5903 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
5904 | SCAN_FIELD("tos=", u8, ipv4_tos); | |
5905 | SCAN_FIELD("ttl=", u8, ipv4_ttl); | |
5906 | SCAN_FIELD("frag=", frag, ipv4_frag); | |
5907 | } SCAN_END(OVS_KEY_ATTR_IPV4); | |
5908 | ||
5909 | SCAN_BEGIN("ipv6(", struct ovs_key_ipv6) { | |
932c96b7 JR |
5910 | SCAN_FIELD("src=", in6_addr, ipv6_src); |
5911 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
2d18eae8 JR |
5912 | SCAN_FIELD("label=", ipv6_label, ipv6_label); |
5913 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
5914 | SCAN_FIELD("tclass=", u8, ipv6_tclass); | |
5915 | SCAN_FIELD("hlimit=", u8, ipv6_hlimit); | |
5916 | SCAN_FIELD("frag=", frag, ipv6_frag); | |
5917 | } SCAN_END(OVS_KEY_ATTR_IPV6); | |
5918 | ||
5919 | SCAN_BEGIN("tcp(", struct ovs_key_tcp) { | |
5920 | SCAN_FIELD("src=", be16, tcp_src); | |
5921 | SCAN_FIELD("dst=", be16, tcp_dst); | |
5922 | } SCAN_END(OVS_KEY_ATTR_TCP); | |
5923 | ||
5924 | SCAN_SINGLE("tcp_flags(", ovs_be16, tcp_flags, OVS_KEY_ATTR_TCP_FLAGS); | |
5925 | ||
5926 | SCAN_BEGIN("udp(", struct ovs_key_udp) { | |
5927 | SCAN_FIELD("src=", be16, udp_src); | |
5928 | SCAN_FIELD("dst=", be16, udp_dst); | |
5929 | } SCAN_END(OVS_KEY_ATTR_UDP); | |
5930 | ||
5931 | SCAN_BEGIN("sctp(", struct ovs_key_sctp) { | |
5932 | SCAN_FIELD("src=", be16, sctp_src); | |
5933 | SCAN_FIELD("dst=", be16, sctp_dst); | |
5934 | } SCAN_END(OVS_KEY_ATTR_SCTP); | |
5935 | ||
5936 | SCAN_BEGIN("icmp(", struct ovs_key_icmp) { | |
5937 | SCAN_FIELD("type=", u8, icmp_type); | |
5938 | SCAN_FIELD("code=", u8, icmp_code); | |
5939 | } SCAN_END(OVS_KEY_ATTR_ICMP); | |
5940 | ||
5941 | SCAN_BEGIN("icmpv6(", struct ovs_key_icmpv6) { | |
5942 | SCAN_FIELD("type=", u8, icmpv6_type); | |
5943 | SCAN_FIELD("code=", u8, icmpv6_code); | |
5944 | } SCAN_END(OVS_KEY_ATTR_ICMPV6); | |
5945 | ||
5946 | SCAN_BEGIN("arp(", struct ovs_key_arp) { | |
5947 | SCAN_FIELD("sip=", ipv4, arp_sip); | |
5948 | SCAN_FIELD("tip=", ipv4, arp_tip); | |
5949 | SCAN_FIELD("op=", be16, arp_op); | |
5950 | SCAN_FIELD("sha=", eth, arp_sha); | |
5951 | SCAN_FIELD("tha=", eth, arp_tha); | |
5952 | } SCAN_END(OVS_KEY_ATTR_ARP); | |
5953 | ||
5954 | SCAN_BEGIN("nd(", struct ovs_key_nd) { | |
932c96b7 | 5955 | SCAN_FIELD("target=", in6_addr, nd_target); |
2d18eae8 JR |
5956 | SCAN_FIELD("sll=", eth, nd_sll); |
5957 | SCAN_FIELD("tll=", eth, nd_tll); | |
5958 | } SCAN_END(OVS_KEY_ATTR_ND); | |
5959 | ||
9b2b8497 VDA |
5960 | SCAN_BEGIN("nd_ext(", struct ovs_key_nd_extensions) { |
5961 | SCAN_FIELD("nd_reserved=", be32, nd_reserved); | |
5962 | SCAN_FIELD("nd_options_type=", u8, nd_options_type); | |
5963 | } SCAN_END(OVS_KEY_ATTR_ND_EXTENSIONS); | |
5964 | ||
3d4b2e6e JS |
5965 | struct packet_type { |
5966 | ovs_be16 ns; | |
5967 | ovs_be16 id; | |
5968 | }; | |
5969 | SCAN_BEGIN("packet_type(", struct packet_type) { | |
5970 | SCAN_FIELD("ns=", be16, ns); | |
5971 | SCAN_FIELD("id=", be16, id); | |
5972 | } SCAN_END(OVS_KEY_ATTR_PACKET_TYPE); | |
5973 | ||
f59cb331 YY |
5974 | /* nsh is nested, it needs special process */ |
5975 | int ret = parse_odp_nsh_key_mask_attr(s, key, mask); | |
5976 | if (ret < 0) { | |
5fbe9d15 | 5977 | return ret; |
f59cb331 | 5978 | } else { |
5fbe9d15 | 5979 | s += ret; |
f59cb331 | 5980 | } |
3d2fbd70 | 5981 | |
2d18eae8 | 5982 | /* Encap open-coded. */ |
fea393b1 BP |
5983 | if (!strncmp(s, "encap(", 6)) { |
5984 | const char *start = s; | |
e6cc0bab | 5985 | size_t encap, encap_mask = 0; |
fea393b1 BP |
5986 | |
5987 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); | |
e6cc0bab AZ |
5988 | if (mask) { |
5989 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
5990 | } | |
fea393b1 BP |
5991 | |
5992 | s += 6; | |
5993 | for (;;) { | |
5994 | int retval; | |
5995 | ||
70fbe375 | 5996 | s += strspn(s, delimiters); |
fea393b1 BP |
5997 | if (!*s) { |
5998 | return -EINVAL; | |
5999 | } else if (*s == ')') { | |
6000 | break; | |
6001 | } | |
6002 | ||
ac20d3fe | 6003 | retval = parse_odp_key_mask_attr(context, s, key, mask); |
fea393b1 BP |
6004 | if (retval < 0) { |
6005 | return retval; | |
6006 | } | |
401eacfb YS |
6007 | |
6008 | if (nl_attr_oversized(key->size - encap - NLA_HDRLEN)) { | |
6009 | return -E2BIG; | |
6010 | } | |
fea393b1 BP |
6011 | s += retval; |
6012 | } | |
6013 | s++; | |
6014 | ||
6015 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
6016 | if (mask) { |
6017 | nl_msg_end_nested(mask, encap_mask); | |
6018 | } | |
fea393b1 BP |
6019 | |
6020 | return s - start; | |
6021 | } | |
6022 | ||
3bffc610 BP |
6023 | return -EINVAL; |
6024 | } | |
6025 | ||
d40533fc BP |
6026 | /* Parses the string representation of a datapath flow key, in the format |
6027 | * output by odp_flow_key_format(). Returns 0 if successful, otherwise a | |
6028 | * positive errno value. On success, stores NULL into '*errorp' and the flow | |
6029 | * key is appended to 'key' as a series of Netlink attributes. On failure, | |
6030 | * stores a malloc()'d error message in '*errorp' without changing the data in | |
6031 | * 'key'. Either way, 'key''s data might be reallocated. | |
3bffc610 | 6032 | * |
44bac24b BP |
6033 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
6034 | * to a port number. (Port names may be used instead of port numbers in | |
6035 | * in_port.) | |
b2a60db8 | 6036 | * |
3bffc610 BP |
6037 | * On success, the attributes appended to 'key' are individually syntactically |
6038 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 6039 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 6040 | int |
e6cc0bab | 6041 | odp_flow_from_string(const char *s, const struct simap *port_names, |
d40533fc BP |
6042 | struct ofpbuf *key, struct ofpbuf *mask, |
6043 | char **errorp) | |
3bffc610 | 6044 | { |
3885c72c TA |
6045 | if (errorp) { |
6046 | *errorp = NULL; | |
6047 | } | |
d40533fc | 6048 | |
6fd6ed71 | 6049 | const size_t old_size = key->size; |
ac20d3fe YS |
6050 | struct parse_odp_context context = (struct parse_odp_context) { |
6051 | .port_names = port_names, | |
6052 | }; | |
3bffc610 BP |
6053 | for (;;) { |
6054 | int retval; | |
6055 | ||
7202cbe5 | 6056 | s += strspn(s, delimiters); |
3bffc610 BP |
6057 | if (!*s) { |
6058 | return 0; | |
6059 | } | |
6060 | ||
a1da3f29 YS |
6061 | /* Skip UFID. */ |
6062 | ovs_u128 ufid; | |
6063 | retval = odp_ufid_from_string(s, &ufid); | |
6064 | if (retval < 0) { | |
3885c72c TA |
6065 | if (errorp) { |
6066 | *errorp = xasprintf("syntax error at %s", s); | |
6067 | } | |
a1da3f29 YS |
6068 | key->size = old_size; |
6069 | return -retval; | |
6070 | } else if (retval > 0) { | |
6071 | s += retval; | |
6072 | s += s[0] == ' ' ? 1 : 0; | |
6073 | } | |
6074 | ||
ac20d3fe | 6075 | retval = parse_odp_key_mask_attr(&context, s, key, mask); |
3bffc610 | 6076 | if (retval < 0) { |
3885c72c TA |
6077 | if (errorp) { |
6078 | *errorp = xasprintf("syntax error at %s", s); | |
6079 | } | |
6fd6ed71 | 6080 | key->size = old_size; |
3bffc610 BP |
6081 | return -retval; |
6082 | } | |
6083 | s += retval; | |
6084 | } | |
6085 | ||
6086 | return 0; | |
6087 | } | |
6088 | ||
7257b535 | 6089 | static uint8_t |
3cea18ec | 6090 | ovs_to_odp_frag(uint8_t nw_frag, bool is_mask) |
7257b535 | 6091 | { |
3cea18ec JR |
6092 | if (is_mask) { |
6093 | /* Netlink interface 'enum ovs_frag_type' is an 8-bit enumeration type, | |
6094 | * not a set of flags or bitfields. Hence, if the struct flow nw_frag | |
6095 | * mask, which is a set of bits, has the FLOW_NW_FRAG_ANY as zero, we | |
6096 | * must use a zero mask for the netlink frag field, and all ones mask | |
6097 | * otherwise. */ | |
6098 | return (nw_frag & FLOW_NW_FRAG_ANY) ? UINT8_MAX : 0; | |
6099 | } | |
2c0f0be1 JR |
6100 | return !(nw_frag & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_NONE |
6101 | : nw_frag & FLOW_NW_FRAG_LATER ? OVS_FRAG_TYPE_LATER | |
6102 | : OVS_FRAG_TYPE_FIRST; | |
7257b535 BP |
6103 | } |
6104 | ||
3cea18ec JR |
6105 | static void get_ethernet_key(const struct flow *, struct ovs_key_ethernet *); |
6106 | static void put_ethernet_key(const struct ovs_key_ethernet *, struct flow *); | |
6107 | static void get_ipv4_key(const struct flow *, struct ovs_key_ipv4 *, | |
6108 | bool is_mask); | |
6109 | static void put_ipv4_key(const struct ovs_key_ipv4 *, struct flow *, | |
6110 | bool is_mask); | |
6111 | static void get_ipv6_key(const struct flow *, struct ovs_key_ipv6 *, | |
6112 | bool is_mask); | |
6113 | static void put_ipv6_key(const struct ovs_key_ipv6 *, struct flow *, | |
6114 | bool is_mask); | |
6115 | static void get_arp_key(const struct flow *, struct ovs_key_arp *); | |
6116 | static void put_arp_key(const struct ovs_key_arp *, struct flow *); | |
e60e935b SRCSA |
6117 | static void get_nd_key(const struct flow *, struct ovs_key_nd *); |
6118 | static void put_nd_key(const struct ovs_key_nd *, struct flow *); | |
3d2fbd70 JS |
6119 | static void get_nsh_key(const struct flow *flow, struct ovs_key_nsh *nsh, |
6120 | bool is_mask); | |
6121 | static void put_nsh_key(const struct ovs_key_nsh *nsh, struct flow *flow, | |
6122 | bool is_mask); | |
3cea18ec JR |
6123 | |
6124 | /* These share the same layout. */ | |
6125 | union ovs_key_tp { | |
6126 | struct ovs_key_tcp tcp; | |
6127 | struct ovs_key_udp udp; | |
6128 | struct ovs_key_sctp sctp; | |
6129 | }; | |
6130 | ||
6131 | static void get_tp_key(const struct flow *, union ovs_key_tp *); | |
6132 | static void put_tp_key(const union ovs_key_tp *, struct flow *); | |
431495b1 | 6133 | |
661cbcd5 | 6134 | static void |
5262eea1 JG |
6135 | odp_flow_key_from_flow__(const struct odp_flow_key_parms *parms, |
6136 | bool export_mask, struct ofpbuf *buf) | |
14608a15 | 6137 | { |
74286173 BP |
6138 | /* New "struct flow" fields that are visible to the datapath (including all |
6139 | * data fields) should be translated into equivalent datapath flow fields | |
6140 | * here (you will have to add a OVS_KEY_ATTR_* for them). */ | |
3c6d05a0 | 6141 | BUILD_ASSERT_DECL(FLOW_WC_SEQ == 42); |
74286173 | 6142 | |
df2c07f4 | 6143 | struct ovs_key_ethernet *eth_key; |
f0fb825a EG |
6144 | size_t encap[FLOW_MAX_VLAN_HEADERS] = {0}; |
6145 | size_t max_vlans; | |
5262eea1 | 6146 | const struct flow *flow = parms->flow; |
beb75a40 JS |
6147 | const struct flow *mask = parms->mask; |
6148 | const struct flow *data = export_mask ? mask : flow; | |
661cbcd5 | 6149 | |
54bb0348 | 6150 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority); |
abff858b | 6151 | |
3f82ac1f TZ |
6152 | if (flow_tnl_dst_is_set(&flow->tunnel) || |
6153 | flow_tnl_src_is_set(&flow->tunnel) || export_mask) { | |
ec1f6f32 | 6154 | tun_key_to_attr(buf, &data->tunnel, &parms->flow->tunnel, |
c6d87201 | 6155 | parms->key_buf, NULL); |
36956a7d BP |
6156 | } |
6157 | ||
1362e248 | 6158 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark); |
72e8bf28 | 6159 | |
07659514 JS |
6160 | if (parms->support.ct_state) { |
6161 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
6162 | ovs_to_odp_ct_state(data->ct_state)); | |
6163 | } | |
6164 | if (parms->support.ct_zone) { | |
6165 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, data->ct_zone); | |
6166 | } | |
8e53fe8c JS |
6167 | if (parms->support.ct_mark) { |
6168 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, data->ct_mark); | |
6169 | } | |
9daf2348 JS |
6170 | if (parms->support.ct_label) { |
6171 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &data->ct_label, | |
6172 | sizeof(data->ct_label)); | |
6173 | } | |
7b5bbe5d JS |
6174 | if (flow->ct_nw_proto) { |
6175 | if (parms->support.ct_orig_tuple | |
6176 | && flow->dl_type == htons(ETH_TYPE_IP)) { | |
67eb8110 IM |
6177 | struct ovs_key_ct_tuple_ipv4 *ct; |
6178 | ||
6179 | /* 'struct ovs_key_ct_tuple_ipv4' has padding, clear it. */ | |
6180 | ct = nl_msg_put_unspec_zero(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, | |
6181 | sizeof *ct); | |
6182 | ct->ipv4_src = data->ct_nw_src; | |
6183 | ct->ipv4_dst = data->ct_nw_dst; | |
6184 | ct->src_port = data->ct_tp_src; | |
6185 | ct->dst_port = data->ct_tp_dst; | |
6186 | ct->ipv4_proto = data->ct_nw_proto; | |
7b5bbe5d JS |
6187 | } else if (parms->support.ct_orig_tuple6 |
6188 | && flow->dl_type == htons(ETH_TYPE_IPV6)) { | |
67eb8110 IM |
6189 | struct ovs_key_ct_tuple_ipv6 *ct; |
6190 | ||
6191 | /* 'struct ovs_key_ct_tuple_ipv6' has padding, clear it. */ | |
6192 | ct = nl_msg_put_unspec_zero(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, | |
6193 | sizeof *ct); | |
6194 | ct->ipv6_src = data->ct_ipv6_src; | |
6195 | ct->ipv6_dst = data->ct_ipv6_dst; | |
6196 | ct->src_port = data->ct_tp_src; | |
6197 | ct->dst_port = data->ct_tp_dst; | |
6198 | ct->ipv6_proto = data->ct_nw_proto; | |
daf4d3c1 JR |
6199 | } |
6200 | } | |
2494ccd7 | 6201 | if (parms->support.recirc) { |
572f732a | 6202 | nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id); |
572f732a AZ |
6203 | nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash); |
6204 | } | |
6205 | ||
098d2a97 | 6206 | /* Add an ingress port attribute if this is a mask or 'in_port.odp_port' |
661cbcd5 | 6207 | * is not the magical value "ODPP_NONE". */ |
098d2a97 JG |
6208 | if (export_mask || flow->in_port.odp_port != ODPP_NONE) { |
6209 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, data->in_port.odp_port); | |
18886b60 | 6210 | } |
36956a7d | 6211 | |
3d4b2e6e | 6212 | nl_msg_put_be32(buf, OVS_KEY_ATTR_PACKET_TYPE, data->packet_type); |
36956a7d | 6213 | |
f0fb825a EG |
6214 | if (OVS_UNLIKELY(parms->probe)) { |
6215 | max_vlans = FLOW_MAX_VLAN_HEADERS; | |
6216 | } else { | |
6217 | max_vlans = MIN(parms->support.max_vlan_headers, flow_vlan_limit); | |
6218 | } | |
f0fb825a | 6219 | |
beb75a40 JS |
6220 | /* Conditionally add L2 attributes for Ethernet packets */ |
6221 | if (flow->packet_type == htonl(PT_ETH)) { | |
6222 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, | |
6223 | sizeof *eth_key); | |
6224 | get_ethernet_key(data, eth_key); | |
6225 | ||
6226 | for (int encaps = 0; encaps < max_vlans; encaps++) { | |
6227 | ovs_be16 tpid = flow->vlans[encaps].tpid; | |
6228 | ||
6229 | if (flow->vlans[encaps].tci == htons(0)) { | |
6230 | if (eth_type_vlan(flow->dl_type)) { | |
6231 | /* If VLAN was truncated the tpid is in dl_type */ | |
6232 | tpid = flow->dl_type; | |
6233 | } else { | |
6234 | break; | |
6235 | } | |
f0fb825a | 6236 | } |
f0fb825a | 6237 | |
beb75a40 JS |
6238 | if (export_mask) { |
6239 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); | |
6240 | } else { | |
6241 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, tpid); | |
6242 | } | |
6243 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlans[encaps].tci); | |
6244 | encap[encaps] = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); | |
6245 | if (flow->vlans[encaps].tci == htons(0)) { | |
6246 | goto unencap; | |
6247 | } | |
8ddc056d | 6248 | } |
36956a7d BP |
6249 | } |
6250 | ||
6251 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
661cbcd5 JP |
6252 | /* For backwards compatibility with kernels that don't support |
6253 | * wildcarding, the following convention is used to encode the | |
6254 | * OVS_KEY_ATTR_ETHERTYPE for key and mask: | |
6255 | * | |
6256 | * key mask matches | |
6257 | * -------- -------- ------- | |
6258 | * >0x5ff 0xffff Specified Ethernet II Ethertype. | |
6259 | * >0x5ff 0 Any Ethernet II or non-Ethernet II frame. | |
6260 | * <none> 0xffff Any non-Ethernet II frame (except valid | |
6261 | * 802.3 SNAP packet with valid eth_type). | |
6262 | */ | |
fbfe01de | 6263 | if (export_mask) { |
b8266395 | 6264 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
661cbcd5 | 6265 | } |
fea393b1 | 6266 | goto unencap; |
36956a7d BP |
6267 | } |
6268 | ||
661cbcd5 | 6269 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type); |
36956a7d | 6270 | |
f0fb825a EG |
6271 | if (eth_type_vlan(flow->dl_type)) { |
6272 | goto unencap; | |
6273 | } | |
6274 | ||
36956a7d | 6275 | if (flow->dl_type == htons(ETH_TYPE_IP)) { |
df2c07f4 | 6276 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 6277 | |
df2c07f4 | 6278 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d | 6279 | sizeof *ipv4_key); |
3cea18ec | 6280 | get_ipv4_key(data, ipv4_key, export_mask); |
d31f1109 | 6281 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 6282 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 6283 | |
df2c07f4 | 6284 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 | 6285 | sizeof *ipv6_key); |
3cea18ec | 6286 | get_ipv6_key(data, ipv6_key, export_mask); |
8087f5ff MM |
6287 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
6288 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 6289 | struct ovs_key_arp *arp_key; |
d31f1109 | 6290 | |
3cea18ec JR |
6291 | arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP, |
6292 | sizeof *arp_key); | |
6293 | get_arp_key(data, arp_key); | |
b0a17866 | 6294 | } else if (eth_type_mpls(flow->dl_type)) { |
b02475c5 | 6295 | struct ovs_key_mpls *mpls_key; |
8bfd0fda | 6296 | int i, n; |
b02475c5 | 6297 | |
8bfd0fda | 6298 | n = flow_count_mpls_labels(flow, NULL); |
5262eea1 | 6299 | if (export_mask) { |
2494ccd7 | 6300 | n = MIN(n, parms->support.max_mpls_depth); |
5262eea1 | 6301 | } |
b02475c5 | 6302 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, |
8bfd0fda BP |
6303 | n * sizeof *mpls_key); |
6304 | for (i = 0; i < n; i++) { | |
6305 | mpls_key[i].mpls_lse = data->mpls_lse[i]; | |
6306 | } | |
3d2fbd70 | 6307 | } else if (flow->dl_type == htons(ETH_TYPE_NSH)) { |
f59cb331 | 6308 | nsh_key_to_attr(buf, &data->nsh, NULL, 0, export_mask); |
b02475c5 SH |
6309 | } |
6310 | ||
48cecbdc | 6311 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 6312 | if (flow->nw_proto == IPPROTO_TCP) { |
3cea18ec | 6313 | union ovs_key_tp *tcp_key; |
36956a7d | 6314 | |
df2c07f4 | 6315 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d | 6316 | sizeof *tcp_key); |
3cea18ec | 6317 | get_tp_key(data, tcp_key); |
7cb32412 | 6318 | if (data->tcp_flags || (mask && mask->tcp_flags)) { |
dc235f7f JR |
6319 | nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags); |
6320 | } | |
6767a2cc | 6321 | } else if (flow->nw_proto == IPPROTO_UDP) { |
3cea18ec | 6322 | union ovs_key_tp *udp_key; |
36956a7d | 6323 | |
df2c07f4 | 6324 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d | 6325 | sizeof *udp_key); |
3cea18ec | 6326 | get_tp_key(data, udp_key); |
c6bcb685 | 6327 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
3cea18ec | 6328 | union ovs_key_tp *sctp_key; |
c6bcb685 JS |
6329 | |
6330 | sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP, | |
6331 | sizeof *sctp_key); | |
3cea18ec | 6332 | get_tp_key(data, sctp_key); |
d31f1109 JP |
6333 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
6334 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 6335 | struct ovs_key_icmp *icmp_key; |
36956a7d | 6336 | |
df2c07f4 | 6337 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d | 6338 | sizeof *icmp_key); |
661cbcd5 JP |
6339 | icmp_key->icmp_type = ntohs(data->tp_src); |
6340 | icmp_key->icmp_code = ntohs(data->tp_dst); | |
d31f1109 JP |
6341 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
6342 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 6343 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 6344 | |
df2c07f4 | 6345 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 | 6346 | sizeof *icmpv6_key); |
661cbcd5 JP |
6347 | icmpv6_key->icmpv6_type = ntohs(data->tp_src); |
6348 | icmpv6_key->icmpv6_code = ntohs(data->tp_dst); | |
685a51a5 | 6349 | |
c17fcc0a | 6350 | if (is_nd(flow, NULL) |
a63e3dc9 DDP |
6351 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, ICMP |
6352 | * type and code are 8 bits wide. Therefore, an exact match | |
6353 | * looks like htons(0xff), not htons(0xffff). See | |
6354 | * xlate_wc_finish() for details. */ | |
6355 | && (!export_mask || (data->tp_src == htons(0xff) | |
6356 | && data->tp_dst == htons(0xff)))) { | |
df2c07f4 | 6357 | struct ovs_key_nd *nd_key; |
df2c07f4 | 6358 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 | 6359 | sizeof *nd_key); |
932c96b7 | 6360 | nd_key->nd_target = data->nd_target; |
74ff3298 JR |
6361 | nd_key->nd_sll = data->arp_sha; |
6362 | nd_key->nd_tll = data->arp_tha; | |
9b2b8497 | 6363 | |
d0d57149 | 6364 | /* Add ND Extensions Attr only if supported and reserved field |
9b2b8497 | 6365 | * or options type is set. */ |
d0d57149 FL |
6366 | if (parms->support.nd_ext) { |
6367 | struct ovs_key_nd_extensions *nd_ext_key; | |
6368 | ||
6369 | if (data->igmp_group_ip4 != 0 || data->tcp_flags != 0) { | |
8594d9ae PH |
6370 | /* 'struct ovs_key_nd_extensions' has padding, |
6371 | * clear it. */ | |
6372 | nd_ext_key = nl_msg_put_unspec_zero(buf, | |
9b2b8497 VDA |
6373 | OVS_KEY_ATTR_ND_EXTENSIONS, |
6374 | sizeof *nd_ext_key); | |
d0d57149 FL |
6375 | nd_ext_key->nd_reserved = data->igmp_group_ip4; |
6376 | nd_ext_key->nd_options_type = ntohs(data->tcp_flags); | |
6377 | } | |
9b2b8497 | 6378 | } |
685a51a5 | 6379 | } |
36956a7d | 6380 | } |
36956a7d | 6381 | } |
fea393b1 BP |
6382 | |
6383 | unencap: | |
f0fb825a EG |
6384 | for (int encaps = max_vlans - 1; encaps >= 0; encaps--) { |
6385 | if (encap[encaps]) { | |
6386 | nl_msg_end_nested(buf, encap[encaps]); | |
6387 | } | |
fea393b1 | 6388 | } |
36956a7d | 6389 | } |
661cbcd5 JP |
6390 | |
6391 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. | |
661cbcd5 JP |
6392 | * |
6393 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 6394 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 6395 | void |
5262eea1 JG |
6396 | odp_flow_key_from_flow(const struct odp_flow_key_parms *parms, |
6397 | struct ofpbuf *buf) | |
661cbcd5 | 6398 | { |
5262eea1 | 6399 | odp_flow_key_from_flow__(parms, false, buf); |
661cbcd5 JP |
6400 | } |
6401 | ||
6402 | /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to | |
5262eea1 | 6403 | * 'buf'. |
661cbcd5 JP |
6404 | * |
6405 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 6406 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 6407 | void |
5262eea1 JG |
6408 | odp_flow_key_from_mask(const struct odp_flow_key_parms *parms, |
6409 | struct ofpbuf *buf) | |
661cbcd5 | 6410 | { |
5262eea1 | 6411 | odp_flow_key_from_flow__(parms, true, buf); |
661cbcd5 | 6412 | } |
36956a7d | 6413 | |
758c456d JR |
6414 | /* Generate ODP flow key from the given packet metadata */ |
6415 | void | |
beb75a40 | 6416 | odp_key_from_dp_packet(struct ofpbuf *buf, const struct dp_packet *packet) |
758c456d | 6417 | { |
beb75a40 JS |
6418 | const struct pkt_metadata *md = &packet->md; |
6419 | ||
758c456d JR |
6420 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority); |
6421 | ||
29b1dd93 HZ |
6422 | if (md->dp_hash) { |
6423 | nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, md->dp_hash); | |
6424 | } | |
6425 | ||
ffe4c74f | 6426 | if (flow_tnl_dst_is_set(&md->tunnel)) { |
c6d87201 | 6427 | tun_key_to_attr(buf, &md->tunnel, &md->tunnel, NULL, NULL); |
758c456d JR |
6428 | } |
6429 | ||
6430 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark); | |
6431 | ||
07659514 JS |
6432 | if (md->ct_state) { |
6433 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
6434 | ovs_to_odp_ct_state(md->ct_state)); | |
6435 | if (md->ct_zone) { | |
6436 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, md->ct_zone); | |
6437 | } | |
8e53fe8c JS |
6438 | if (md->ct_mark) { |
6439 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, md->ct_mark); | |
6440 | } | |
2ff8484b | 6441 | if (!ovs_u128_is_zero(md->ct_label)) { |
9daf2348 JS |
6442 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &md->ct_label, |
6443 | sizeof(md->ct_label)); | |
6444 | } | |
daf4d3c1 JR |
6445 | if (md->ct_orig_tuple_ipv6) { |
6446 | if (md->ct_orig_tuple.ipv6.ipv6_proto) { | |
6447 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, | |
6448 | &md->ct_orig_tuple.ipv6, | |
6449 | sizeof md->ct_orig_tuple.ipv6); | |
6450 | } | |
6451 | } else { | |
6452 | if (md->ct_orig_tuple.ipv4.ipv4_proto) { | |
6453 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, | |
6454 | &md->ct_orig_tuple.ipv4, | |
6455 | sizeof md->ct_orig_tuple.ipv4); | |
6456 | } | |
6457 | } | |
07659514 JS |
6458 | } |
6459 | ||
758c456d JR |
6460 | /* Add an ingress port attribute if 'odp_in_port' is not the magical |
6461 | * value "ODPP_NONE". */ | |
b5e7e61a AZ |
6462 | if (md->in_port.odp_port != ODPP_NONE) { |
6463 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port); | |
758c456d | 6464 | } |
beb75a40 JS |
6465 | |
6466 | /* Add OVS_KEY_ATTR_ETHERNET for non-Ethernet packets */ | |
6467 | if (pt_ns(packet->packet_type) == OFPHTN_ETHERTYPE) { | |
6468 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, | |
6469 | pt_ns_type_be(packet->packet_type)); | |
6470 | } | |
758c456d JR |
6471 | } |
6472 | ||
6473 | /* Generate packet metadata from the given ODP flow key. */ | |
6474 | void | |
beb75a40 JS |
6475 | odp_key_to_dp_packet(const struct nlattr *key, size_t key_len, |
6476 | struct dp_packet *packet) | |
758c456d | 6477 | { |
beb75a40 | 6478 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
758c456d | 6479 | const struct nlattr *nla; |
beb75a40 JS |
6480 | struct pkt_metadata *md = &packet->md; |
6481 | ovs_be32 packet_type = htonl(PT_UNKNOWN); | |
6482 | ovs_be16 ethertype = 0; | |
758c456d | 6483 | size_t left; |
758c456d | 6484 | |
35303d71 | 6485 | pkt_metadata_init(md, ODPP_NONE); |
758c456d JR |
6486 | |
6487 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { | |
08ef583d | 6488 | enum ovs_key_attr type = nl_attr_type(nla); |
758c456d | 6489 | size_t len = nl_attr_get_size(nla); |
6b8da9e9 JG |
6490 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
6491 | OVS_KEY_ATTR_MAX, type); | |
758c456d JR |
6492 | |
6493 | if (len != expected_len && expected_len >= 0) { | |
6494 | continue; | |
6495 | } | |
6496 | ||
572f732a AZ |
6497 | switch (type) { |
6498 | case OVS_KEY_ATTR_RECIRC_ID: | |
6499 | md->recirc_id = nl_attr_get_u32(nla); | |
572f732a AZ |
6500 | break; |
6501 | case OVS_KEY_ATTR_DP_HASH: | |
6502 | md->dp_hash = nl_attr_get_u32(nla); | |
572f732a AZ |
6503 | break; |
6504 | case OVS_KEY_ATTR_PRIORITY: | |
758c456d | 6505 | md->skb_priority = nl_attr_get_u32(nla); |
572f732a AZ |
6506 | break; |
6507 | case OVS_KEY_ATTR_SKB_MARK: | |
758c456d | 6508 | md->pkt_mark = nl_attr_get_u32(nla); |
572f732a | 6509 | break; |
07659514 JS |
6510 | case OVS_KEY_ATTR_CT_STATE: |
6511 | md->ct_state = odp_to_ovs_ct_state(nl_attr_get_u32(nla)); | |
07659514 JS |
6512 | break; |
6513 | case OVS_KEY_ATTR_CT_ZONE: | |
6514 | md->ct_zone = nl_attr_get_u16(nla); | |
07659514 | 6515 | break; |
8e53fe8c JS |
6516 | case OVS_KEY_ATTR_CT_MARK: |
6517 | md->ct_mark = nl_attr_get_u32(nla); | |
8e53fe8c | 6518 | break; |
9daf2348 | 6519 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 | 6520 | md->ct_label = nl_attr_get_u128(nla); |
9daf2348 JS |
6521 | break; |
6522 | } | |
daf4d3c1 JR |
6523 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
6524 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(nla); | |
6525 | md->ct_orig_tuple.ipv4 = *ct; | |
6526 | md->ct_orig_tuple_ipv6 = false; | |
daf4d3c1 JR |
6527 | break; |
6528 | } | |
6529 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
6530 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(nla); | |
6531 | ||
6532 | md->ct_orig_tuple.ipv6 = *ct; | |
6533 | md->ct_orig_tuple_ipv6 = true; | |
daf4d3c1 JR |
6534 | break; |
6535 | } | |
572f732a | 6536 | case OVS_KEY_ATTR_TUNNEL: { |
758c456d JR |
6537 | enum odp_key_fitness res; |
6538 | ||
d40533fc | 6539 | res = odp_tun_key_from_attr(nla, &md->tunnel, NULL); |
758c456d JR |
6540 | if (res == ODP_FIT_ERROR) { |
6541 | memset(&md->tunnel, 0, sizeof md->tunnel); | |
758c456d | 6542 | } |
572f732a AZ |
6543 | break; |
6544 | } | |
6545 | case OVS_KEY_ATTR_IN_PORT: | |
b5e7e61a | 6546 | md->in_port.odp_port = nl_attr_get_odp_port(nla); |
572f732a | 6547 | break; |
beb75a40 JS |
6548 | case OVS_KEY_ATTR_ETHERNET: |
6549 | /* Presence of OVS_KEY_ATTR_ETHERNET indicates Ethernet packet. */ | |
6550 | packet_type = htonl(PT_ETH); | |
beb75a40 JS |
6551 | break; |
6552 | case OVS_KEY_ATTR_ETHERTYPE: | |
6553 | ethertype = nl_attr_get_be16(nla); | |
beb75a40 | 6554 | break; |
08ef583d YHW |
6555 | case OVS_KEY_ATTR_UNSPEC: |
6556 | case OVS_KEY_ATTR_ENCAP: | |
6557 | case OVS_KEY_ATTR_VLAN: | |
6558 | case OVS_KEY_ATTR_IPV4: | |
6559 | case OVS_KEY_ATTR_IPV6: | |
6560 | case OVS_KEY_ATTR_TCP: | |
6561 | case OVS_KEY_ATTR_UDP: | |
6562 | case OVS_KEY_ATTR_ICMP: | |
6563 | case OVS_KEY_ATTR_ICMPV6: | |
6564 | case OVS_KEY_ATTR_ARP: | |
6565 | case OVS_KEY_ATTR_ND: | |
9b2b8497 | 6566 | case OVS_KEY_ATTR_ND_EXTENSIONS: |
08ef583d YHW |
6567 | case OVS_KEY_ATTR_SCTP: |
6568 | case OVS_KEY_ATTR_TCP_FLAGS: | |
6569 | case OVS_KEY_ATTR_MPLS: | |
6570 | case OVS_KEY_ATTR_PACKET_TYPE: | |
3d2fbd70 | 6571 | case OVS_KEY_ATTR_NSH: |
08ef583d | 6572 | case __OVS_KEY_ATTR_MAX: |
572f732a AZ |
6573 | default: |
6574 | break; | |
758c456d | 6575 | } |
758c456d | 6576 | } |
beb75a40 JS |
6577 | |
6578 | if (packet_type == htonl(PT_ETH)) { | |
6579 | packet->packet_type = htonl(PT_ETH); | |
6580 | } else if (packet_type == htonl(PT_UNKNOWN) && ethertype != 0) { | |
6581 | packet->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
6582 | ntohs(ethertype)); | |
6583 | } else { | |
6584 | VLOG_ERR_RL(&rl, "Packet without ETHERTYPE. Unknown packet_type."); | |
6585 | } | |
758c456d JR |
6586 | } |
6587 | ||
7a5e0ee7 IM |
6588 | /* Places the hash of the 'key_len' bytes starting at 'key' into '*hash'. |
6589 | * Generated value has format of random UUID. */ | |
6590 | void | |
6591 | odp_flow_key_hash(const void *key, size_t key_len, ovs_u128 *hash) | |
b0f7b9b5 | 6592 | { |
7a5e0ee7 IM |
6593 | static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER; |
6594 | static uint32_t secret; | |
6595 | ||
6596 | if (ovsthread_once_start(&once)) { | |
6597 | secret = random_uint32(); | |
6598 | ovsthread_once_done(&once); | |
6599 | } | |
6600 | hash_bytes128(key, key_len, secret, hash); | |
6601 | uuid_set_bits_v4((struct uuid *)hash); | |
b0f7b9b5 BP |
6602 | } |
6603 | ||
34118cae BP |
6604 | static void |
6605 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 6606 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
6607 | const struct nlattr *key, size_t key_len) |
6608 | { | |
6609 | struct ds s; | |
6610 | int i; | |
6611 | ||
b0f7b9b5 | 6612 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
6613 | return; |
6614 | } | |
6615 | ||
6616 | ds_init(&s); | |
b0f7b9b5 BP |
6617 | for (i = 0; i < 64; i++) { |
6618 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
6619 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
6620 | ||
6621 | ds_put_format(&s, " %s", | |
6622 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
6623 | } |
6624 | } | |
b0f7b9b5 BP |
6625 | if (out_of_range_attr) { |
6626 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
6627 | } | |
34118cae BP |
6628 | |
6629 | ds_put_cstr(&s, ": "); | |
6630 | odp_flow_key_format(key, key_len, &s); | |
6631 | ||
b0f7b9b5 | 6632 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
6633 | ds_destroy(&s); |
6634 | } | |
6635 | ||
3cea18ec JR |
6636 | static uint8_t |
6637 | odp_to_ovs_frag(uint8_t odp_frag, bool is_mask) | |
7257b535 | 6638 | { |
34118cae BP |
6639 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
6640 | ||
3cea18ec JR |
6641 | if (is_mask) { |
6642 | return odp_frag ? FLOW_NW_FRAG_MASK : 0; | |
6643 | } | |
6644 | ||
9e44d715 | 6645 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 6646 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
3cea18ec | 6647 | return 0xff; /* Error. */ |
7257b535 BP |
6648 | } |
6649 | ||
3cea18ec JR |
6650 | return (odp_frag == OVS_FRAG_TYPE_NONE) ? 0 |
6651 | : (odp_frag == OVS_FRAG_TYPE_FIRST) ? FLOW_NW_FRAG_ANY | |
6652 | : FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER; | |
7257b535 BP |
6653 | } |
6654 | ||
d40533fc BP |
6655 | /* Parses the attributes in the 'key_len' bytes of 'key' into 'attrs', which |
6656 | * must have OVS_KEY_ATTR_MAX + 1 elements. Stores each attribute in 'key' | |
6657 | * into the corresponding element of 'attrs'. | |
6658 | * | |
6659 | * Stores a bitmask of the attributes' indexes found in 'key' into | |
6660 | * '*present_attrsp'. | |
6661 | * | |
6662 | * If an attribute beyond OVS_KEY_ATTR_MAX is found, stores its attribute type | |
6663 | * (or one of them, if more than one) into '*out_of_range_attrp', otherwise 0. | |
6664 | * | |
6665 | * If 'errorp' is nonnull and the function returns false, stores a malloc()'d | |
6666 | * error message in '*errorp'. */ | |
b0f7b9b5 | 6667 | static bool |
fea393b1 | 6668 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 | 6669 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
d40533fc | 6670 | int *out_of_range_attrp, char **errorp) |
36956a7d | 6671 | { |
b0f7b9b5 | 6672 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 6673 | const struct nlattr *nla; |
34118cae | 6674 | uint64_t present_attrs; |
36956a7d BP |
6675 | size_t left; |
6676 | ||
2aef1214 | 6677 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 6678 | present_attrs = 0; |
b0f7b9b5 | 6679 | *out_of_range_attrp = 0; |
36956a7d | 6680 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
6681 | uint16_t type = nl_attr_type(nla); |
6682 | size_t len = nl_attr_get_size(nla); | |
6b8da9e9 JG |
6683 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
6684 | OVS_KEY_ATTR_MAX, type); | |
34118cae | 6685 | |
b0f7b9b5 | 6686 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
6687 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
6688 | ||
d40533fc BP |
6689 | odp_parse_error(&rl, errorp, "attribute %s has length %"PRIuSIZE" " |
6690 | "but should have length %d", | |
6691 | ovs_key_attr_to_string(type, namebuf, | |
6692 | sizeof namebuf), | |
6693 | len, expected_len); | |
b0f7b9b5 | 6694 | return false; |
34118cae BP |
6695 | } |
6696 | ||
2aef1214 | 6697 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
6698 | *out_of_range_attrp = type; |
6699 | } else { | |
6700 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
6701 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
6702 | ||
d40533fc BP |
6703 | odp_parse_error(&rl, errorp, |
6704 | "duplicate %s attribute in flow key", | |
6705 | ovs_key_attr_to_string(type, namebuf, | |
6706 | sizeof namebuf)); | |
b0f7b9b5 BP |
6707 | return false; |
6708 | } | |
6709 | ||
6710 | present_attrs |= UINT64_C(1) << type; | |
6711 | attrs[type] = nla; | |
6712 | } | |
34118cae BP |
6713 | } |
6714 | if (left) { | |
d40533fc | 6715 | odp_parse_error(&rl, errorp, "trailing garbage in flow key"); |
b0f7b9b5 | 6716 | return false; |
34118cae BP |
6717 | } |
6718 | ||
fea393b1 | 6719 | *present_attrsp = present_attrs; |
b0f7b9b5 | 6720 | return true; |
fea393b1 BP |
6721 | } |
6722 | ||
b0f7b9b5 BP |
6723 | static enum odp_key_fitness |
6724 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
6725 | uint64_t expected_attrs, | |
fea393b1 BP |
6726 | const struct nlattr *key, size_t key_len) |
6727 | { | |
6728 | uint64_t missing_attrs; | |
6729 | uint64_t extra_attrs; | |
6730 | ||
6731 | missing_attrs = expected_attrs & ~present_attrs; | |
6732 | if (missing_attrs) { | |
b0f7b9b5 BP |
6733 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
6734 | log_odp_key_attributes(&rl, "expected but not present", | |
6735 | missing_attrs, 0, key, key_len); | |
6736 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
6737 | } |
6738 | ||
6739 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
6740 | if (extra_attrs || out_of_range_attr) { |
6741 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
6742 | log_odp_key_attributes(&rl, "present but not expected", | |
6743 | extra_attrs, out_of_range_attr, key, key_len); | |
6744 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
6745 | } |
6746 | ||
b0f7b9b5 | 6747 | return ODP_FIT_PERFECT; |
fea393b1 BP |
6748 | } |
6749 | ||
d40533fc BP |
6750 | /* Initializes 'flow->dl_type' based on the attributes in 'attrs', in which the |
6751 | * attributes in the bit-mask 'present_attrs' are present. Returns true if | |
6752 | * successful, false on failure. | |
6753 | * | |
6754 | * Sets 1-bits in '*expected_attrs' for the attributes in 'attrs' that were | |
6755 | * consulted. 'flow' is assumed to be a flow key unless 'src_flow' is nonnull, | |
6756 | * in which case 'flow' is a flow mask and 'src_flow' is its corresponding | |
6757 | * previously parsed flow key. | |
6758 | * | |
6759 | * If 'errorp' is nonnull and the function returns false, stores a malloc()'d | |
6760 | * error message in '*errorp'. */ | |
b0f7b9b5 BP |
6761 | static bool |
6762 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
6763 | uint64_t present_attrs, uint64_t *expected_attrs, | |
d40533fc BP |
6764 | struct flow *flow, const struct flow *src_flow, |
6765 | char **errorp) | |
fea393b1 BP |
6766 | { |
6767 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 6768 | bool is_mask = flow != src_flow; |
36956a7d | 6769 | |
fea393b1 | 6770 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae | 6771 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
4a221615 | 6772 | if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) { |
d40533fc BP |
6773 | odp_parse_error(&rl, errorp, |
6774 | "invalid Ethertype %"PRIu16" in flow key", | |
6775 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 6776 | return false; |
34118cae | 6777 | } |
4a221615 GY |
6778 | if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN && |
6779 | flow->dl_type != htons(0xffff)) { | |
d40533fc BP |
6780 | odp_parse_error(&rl, errorp, "can't bitwise match non-Ethernet II " |
6781 | "\"Ethertype\" %#"PRIx16" (with mask %#"PRIx16")", | |
6782 | ntohs(src_flow->dl_type), ntohs(flow->dl_type)); | |
4a221615 GY |
6783 | return false; |
6784 | } | |
b0f7b9b5 | 6785 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae | 6786 | } else { |
4a221615 | 6787 | if (!is_mask) { |
beb75a40 JS |
6788 | /* Default ethertype for well-known L3 packets. */ |
6789 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { | |
6790 | flow->dl_type = htons(ETH_TYPE_IP); | |
6791 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { | |
6792 | flow->dl_type = htons(ETH_TYPE_IPV6); | |
6793 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
6794 | flow->dl_type = htons(ETH_TYPE_MPLS); | |
6795 | } else { | |
6796 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
6797 | } | |
6798 | } else if (src_flow->packet_type != htonl(PT_ETH)) { | |
6799 | /* dl_type is mandatory for non-Ethernet packets */ | |
6800 | flow->dl_type = htons(0xffff); | |
4a221615 GY |
6801 | } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) { |
6802 | /* See comments in odp_flow_key_from_flow__(). */ | |
d40533fc BP |
6803 | odp_parse_error(&rl, errorp, |
6804 | "mask expected for non-Ethernet II frame"); | |
4a221615 GY |
6805 | return false; |
6806 | } | |
34118cae | 6807 | } |
b0f7b9b5 BP |
6808 | return true; |
6809 | } | |
6810 | ||
d40533fc BP |
6811 | /* Initializes MPLS, L3, and L4 fields in 'flow' based on the attributes in |
6812 | * 'attrs', in which the attributes in the bit-mask 'present_attrs' are | |
6813 | * present. The caller also indicates an out-of-range attribute | |
6814 | * 'out_of_range_attr' if one was present when parsing (if so, the fitness | |
6815 | * cannot be perfect). | |
6816 | * | |
6817 | * Sets 1-bits in '*expected_attrs' for the attributes in 'attrs' that were | |
6818 | * consulted. 'flow' is assumed to be a flow key unless 'src_flow' is nonnull, | |
6819 | * in which case 'flow' is a flow mask and 'src_flow' is its corresponding | |
6820 | * previously parsed flow key. | |
6821 | * | |
6822 | * Returns fitness based on any discrepancies between present and expected | |
6823 | * attributes, except that a 'need_check' of false overrides this. | |
6824 | * | |
6825 | * If 'errorp' is nonnull and the function returns false, stores a malloc()'d | |
6826 | * error message in '*errorp'. 'key' and 'key_len' are just used for error | |
6827 | * reporting in this case. */ | |
b0f7b9b5 | 6828 | static enum odp_key_fitness |
b02475c5 SH |
6829 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
6830 | uint64_t present_attrs, int out_of_range_attr, | |
c5ad9811 | 6831 | uint64_t *expected_attrs, struct flow *flow, |
4a221615 | 6832 | const struct nlattr *key, size_t key_len, |
d40533fc | 6833 | const struct flow *src_flow, bool need_check, char **errorp) |
b0f7b9b5 BP |
6834 | { |
6835 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 GY |
6836 | bool is_mask = src_flow != flow; |
6837 | const void *check_start = NULL; | |
6838 | size_t check_len = 0; | |
6839 | enum ovs_key_attr expected_bit = 0xff; | |
6840 | ||
6841 | if (eth_type_mpls(src_flow->dl_type)) { | |
7e6621e9 | 6842 | if (!is_mask || present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { |
c5ad9811 | 6843 | *expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); |
7e6621e9 JS |
6844 | } |
6845 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
6846 | size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]); | |
6847 | const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]); | |
6848 | int n = size / sizeof(ovs_be32); | |
6849 | int i; | |
4a221615 | 6850 | |
7e6621e9 | 6851 | if (!size || size % sizeof(ovs_be32)) { |
d40533fc BP |
6852 | odp_parse_error(&rl, errorp, |
6853 | "MPLS LSEs have invalid length %"PRIuSIZE, | |
6854 | size); | |
7e6621e9 | 6855 | return ODP_FIT_ERROR; |
91a77332 | 6856 | } |
8bfd0fda | 6857 | if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) { |
d40533fc BP |
6858 | odp_parse_error(&rl, errorp, |
6859 | "unexpected MPLS Ethertype mask %x"PRIx16, | |
6860 | ntohs(flow->dl_type)); | |
4a221615 GY |
6861 | return ODP_FIT_ERROR; |
6862 | } | |
8bfd0fda | 6863 | |
7e6621e9 JS |
6864 | for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) { |
6865 | flow->mpls_lse[i] = mpls_lse[i]; | |
6866 | } | |
6867 | if (n > FLOW_MAX_MPLS_LABELS) { | |
6868 | return ODP_FIT_TOO_MUCH; | |
6869 | } | |
8bfd0fda | 6870 | |
7e6621e9 JS |
6871 | if (!is_mask) { |
6872 | /* BOS may be set only in the innermost label. */ | |
6873 | for (i = 0; i < n - 1; i++) { | |
6874 | if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) { | |
d40533fc BP |
6875 | odp_parse_error(&rl, errorp, |
6876 | "MPLS BOS set in non-innermost label"); | |
7e6621e9 JS |
6877 | return ODP_FIT_ERROR; |
6878 | } | |
8bfd0fda | 6879 | } |
8bfd0fda | 6880 | |
7e6621e9 JS |
6881 | /* BOS must be set in the innermost label. */ |
6882 | if (n < FLOW_MAX_MPLS_LABELS | |
6883 | && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) { | |
6884 | return ODP_FIT_TOO_LITTLE; | |
6885 | } | |
8bfd0fda BP |
6886 | } |
6887 | } | |
6888 | ||
4a221615 GY |
6889 | goto done; |
6890 | } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
6891 | if (!is_mask) { | |
c5ad9811 | 6892 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; |
b02475c5 | 6893 | } |
fea393b1 | 6894 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 6895 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 6896 | |
34118cae | 6897 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
3cea18ec JR |
6898 | put_ipv4_key(ipv4_key, flow, is_mask); |
6899 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
d40533fc BP |
6900 | odp_parse_error(&rl, errorp, "OVS_KEY_ATTR_IPV4 has invalid " |
6901 | "nw_frag %#"PRIx8, flow->nw_frag); | |
3cea18ec JR |
6902 | return ODP_FIT_ERROR; |
6903 | } | |
d40533fc | 6904 | |
4a221615 | 6905 | if (is_mask) { |
4a221615 GY |
6906 | check_start = ipv4_key; |
6907 | check_len = sizeof *ipv4_key; | |
6908 | expected_bit = OVS_KEY_ATTR_IPV4; | |
36956a7d | 6909 | } |
34118cae | 6910 | } |
4a221615 GY |
6911 | } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) { |
6912 | if (!is_mask) { | |
c5ad9811 | 6913 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; |
4a221615 | 6914 | } |
fea393b1 | 6915 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 6916 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 6917 | |
34118cae | 6918 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
3cea18ec JR |
6919 | put_ipv6_key(ipv6_key, flow, is_mask); |
6920 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
d40533fc BP |
6921 | odp_parse_error(&rl, errorp, "OVS_KEY_ATTR_IPV6 has invalid " |
6922 | "nw_frag %#"PRIx8, flow->nw_frag); | |
3cea18ec JR |
6923 | return ODP_FIT_ERROR; |
6924 | } | |
4a221615 | 6925 | if (is_mask) { |
4a221615 GY |
6926 | check_start = ipv6_key; |
6927 | check_len = sizeof *ipv6_key; | |
6928 | expected_bit = OVS_KEY_ATTR_IPV6; | |
d31f1109 | 6929 | } |
34118cae | 6930 | } |
4a221615 GY |
6931 | } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) || |
6932 | src_flow->dl_type == htons(ETH_TYPE_RARP)) { | |
6933 | if (!is_mask) { | |
c5ad9811 | 6934 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; |
4a221615 | 6935 | } |
fea393b1 | 6936 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 6937 | const struct ovs_key_arp *arp_key; |
d31f1109 | 6938 | |
34118cae | 6939 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
4a221615 | 6940 | if (!is_mask && (arp_key->arp_op & htons(0xff00))) { |
d40533fc BP |
6941 | odp_parse_error(&rl, errorp, |
6942 | "unsupported ARP opcode %"PRIu16" in flow " | |
6943 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 6944 | return ODP_FIT_ERROR; |
36956a7d | 6945 | } |
3cea18ec | 6946 | put_arp_key(arp_key, flow); |
4a221615 GY |
6947 | if (is_mask) { |
6948 | check_start = arp_key; | |
6949 | check_len = sizeof *arp_key; | |
6950 | expected_bit = OVS_KEY_ATTR_ARP; | |
6951 | } | |
6952 | } | |
3d2fbd70 JS |
6953 | } else if (src_flow->dl_type == htons(ETH_TYPE_NSH)) { |
6954 | if (!is_mask) { | |
c5ad9811 | 6955 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_NSH; |
3d2fbd70 JS |
6956 | } |
6957 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_NSH)) { | |
569c3df2 IM |
6958 | if (odp_nsh_key_from_attr__(attrs[OVS_KEY_ATTR_NSH], |
6959 | is_mask, &flow->nsh, | |
6960 | NULL, errorp) == ODP_FIT_ERROR) { | |
d40533fc BP |
6961 | return ODP_FIT_ERROR; |
6962 | } | |
3d2fbd70 | 6963 | if (is_mask) { |
f59cb331 YY |
6964 | check_start = nl_attr_get(attrs[OVS_KEY_ATTR_NSH]); |
6965 | check_len = nl_attr_get_size(attrs[OVS_KEY_ATTR_NSH]); | |
3d2fbd70 JS |
6966 | expected_bit = OVS_KEY_ATTR_NSH; |
6967 | } | |
6968 | } | |
4a221615 GY |
6969 | } else { |
6970 | goto done; | |
6971 | } | |
df4eeb20 | 6972 | if (check_len > 0) { /* Happens only when 'is_mask'. */ |
4a221615 GY |
6973 | if (!is_all_zeros(check_start, check_len) && |
6974 | flow->dl_type != htons(0xffff)) { | |
d40533fc BP |
6975 | odp_parse_error(&rl, errorp, "unexpected L3 matching with " |
6976 | "masked Ethertype %#"PRIx16"/%#"PRIx16, | |
6977 | ntohs(src_flow->dl_type), | |
6978 | ntohs(flow->dl_type)); | |
4a221615 GY |
6979 | return ODP_FIT_ERROR; |
6980 | } else { | |
c5ad9811 | 6981 | *expected_attrs |= UINT64_C(1) << expected_bit; |
36956a7d | 6982 | } |
36956a7d | 6983 | } |
36956a7d | 6984 | |
4a221615 GY |
6985 | expected_bit = OVS_KEY_ATTR_UNSPEC; |
6986 | if (src_flow->nw_proto == IPPROTO_TCP | |
6987 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6988 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6989 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6990 | if (!is_mask) { | |
c5ad9811 | 6991 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; |
4a221615 | 6992 | } |
fea393b1 | 6993 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
3cea18ec | 6994 | const union ovs_key_tp *tcp_key; |
36956a7d | 6995 | |
34118cae | 6996 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
3cea18ec | 6997 | put_tp_key(tcp_key, flow); |
4a221615 GY |
6998 | expected_bit = OVS_KEY_ATTR_TCP; |
6999 | } | |
dc235f7f | 7000 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) { |
c5ad9811 | 7001 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS; |
dc235f7f JR |
7002 | flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]); |
7003 | } | |
4a221615 GY |
7004 | } else if (src_flow->nw_proto == IPPROTO_UDP |
7005 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
7006 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
7007 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
7008 | if (!is_mask) { | |
c5ad9811 | 7009 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; |
7257b535 | 7010 | } |
fea393b1 | 7011 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
3cea18ec | 7012 | const union ovs_key_tp *udp_key; |
34118cae BP |
7013 | |
7014 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
3cea18ec | 7015 | put_tp_key(udp_key, flow); |
4a221615 GY |
7016 | expected_bit = OVS_KEY_ATTR_UDP; |
7017 | } | |
12848ebf GS |
7018 | } else if (src_flow->nw_proto == IPPROTO_SCTP |
7019 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
7020 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
7021 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
c6bcb685 | 7022 | if (!is_mask) { |
c5ad9811 | 7023 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP; |
c6bcb685 JS |
7024 | } |
7025 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) { | |
3cea18ec | 7026 | const union ovs_key_tp *sctp_key; |
c6bcb685 JS |
7027 | |
7028 | sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]); | |
3cea18ec | 7029 | put_tp_key(sctp_key, flow); |
c6bcb685 JS |
7030 | expected_bit = OVS_KEY_ATTR_SCTP; |
7031 | } | |
4a221615 GY |
7032 | } else if (src_flow->nw_proto == IPPROTO_ICMP |
7033 | && src_flow->dl_type == htons(ETH_TYPE_IP) | |
7034 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
7035 | if (!is_mask) { | |
c5ad9811 | 7036 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; |
d31f1109 | 7037 | } |
fea393b1 | 7038 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
7039 | const struct ovs_key_icmp *icmp_key; |
7040 | ||
7041 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
7042 | flow->tp_src = htons(icmp_key->icmp_type); | |
7043 | flow->tp_dst = htons(icmp_key->icmp_code); | |
4a221615 GY |
7044 | expected_bit = OVS_KEY_ATTR_ICMP; |
7045 | } | |
7046 | } else if (src_flow->nw_proto == IPPROTO_ICMPV6 | |
7047 | && src_flow->dl_type == htons(ETH_TYPE_IPV6) | |
7048 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
7049 | if (!is_mask) { | |
c5ad9811 | 7050 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; |
685a51a5 | 7051 | } |
fea393b1 | 7052 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
7053 | const struct ovs_key_icmpv6 *icmpv6_key; |
7054 | ||
7055 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
7056 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
7057 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
4a221615 | 7058 | expected_bit = OVS_KEY_ATTR_ICMPV6; |
c17fcc0a | 7059 | if (is_nd(src_flow, NULL)) { |
4a221615 | 7060 | if (!is_mask) { |
c5ad9811 | 7061 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; |
4a221615 | 7062 | } |
fea393b1 | 7063 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
7064 | const struct ovs_key_nd *nd_key; |
7065 | ||
7066 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
932c96b7 | 7067 | flow->nd_target = nd_key->nd_target; |
74ff3298 JR |
7068 | flow->arp_sha = nd_key->nd_sll; |
7069 | flow->arp_tha = nd_key->nd_tll; | |
4a221615 | 7070 | if (is_mask) { |
a63e3dc9 DDP |
7071 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, |
7072 | * ICMP type and code are 8 bits wide. Therefore, an | |
7073 | * exact match looks like htons(0xff), not | |
7074 | * htons(0xffff). See xlate_wc_finish() for details. | |
7075 | * */ | |
53cb9c3e | 7076 | if (!is_all_zeros(nd_key, sizeof *nd_key) && |
a63e3dc9 DDP |
7077 | (flow->tp_src != htons(0xff) || |
7078 | flow->tp_dst != htons(0xff))) { | |
d40533fc BP |
7079 | odp_parse_error(&rl, errorp, |
7080 | "ICMP (src,dst) masks should be " | |
7081 | "(0xff,0xff) but are actually " | |
7082 | "(%#"PRIx16",%#"PRIx16")", | |
7083 | ntohs(flow->tp_src), | |
7084 | ntohs(flow->tp_dst)); | |
4a221615 GY |
7085 | return ODP_FIT_ERROR; |
7086 | } else { | |
c5ad9811 | 7087 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; |
4a221615 GY |
7088 | } |
7089 | } | |
34118cae | 7090 | } |
9b2b8497 VDA |
7091 | if (present_attrs & |
7092 | (UINT64_C(1) << OVS_KEY_ATTR_ND_EXTENSIONS)) { | |
7093 | const struct ovs_key_nd_extensions *nd_ext_key; | |
7094 | if (!is_mask) { | |
7095 | *expected_attrs |= | |
7096 | UINT64_C(1) << OVS_KEY_ATTR_ND_EXTENSIONS; | |
7097 | } | |
7098 | ||
7099 | nd_ext_key = | |
7100 | nl_attr_get(attrs[OVS_KEY_ATTR_ND_EXTENSIONS]); | |
7101 | flow->igmp_group_ip4 = nd_ext_key->nd_reserved; | |
7102 | flow->tcp_flags = htons(nd_ext_key->nd_options_type); | |
7103 | ||
7104 | if (is_mask) { | |
7105 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, | |
7106 | * ICMP type and code are 8 bits wide. Therefore, an | |
7107 | * exact match looks like htons(0xff), not | |
7108 | * htons(0xffff). See xlate_wc_finish() for details. | |
7109 | * */ | |
7110 | if (!is_all_zeros(nd_ext_key, sizeof *nd_ext_key) && | |
7111 | (flow->tp_src != htons(0xff) || | |
7112 | flow->tp_dst != htons(0xff))) { | |
7113 | return ODP_FIT_ERROR; | |
7114 | } else { | |
7115 | *expected_attrs |= | |
7116 | UINT64_C(1) << OVS_KEY_ATTR_ND_EXTENSIONS; | |
7117 | } | |
7118 | } | |
7119 | } | |
34118cae | 7120 | } |
7257b535 | 7121 | } |
c645550b BP |
7122 | } else if (src_flow->nw_proto == IPPROTO_IGMP |
7123 | && src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
7124 | /* OVS userspace parses the IGMP type, code, and group, but its | |
7125 | * datapaths do not, so there is always missing information. */ | |
7126 | return ODP_FIT_TOO_LITTLE; | |
34118cae | 7127 | } |
4a221615 GY |
7128 | if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) { |
7129 | if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) { | |
d40533fc BP |
7130 | odp_parse_error(&rl, errorp, "flow matches on L4 ports but does " |
7131 | "not define an L4 protocol"); | |
4a221615 GY |
7132 | return ODP_FIT_ERROR; |
7133 | } else { | |
c5ad9811 | 7134 | *expected_attrs |= UINT64_C(1) << expected_bit; |
4a221615 GY |
7135 | } |
7136 | } | |
7257b535 | 7137 | |
4a221615 | 7138 | done: |
c5ad9811 YW |
7139 | return need_check ? check_expectations(present_attrs, out_of_range_attr, |
7140 | *expected_attrs, key, key_len) : ODP_FIT_PERFECT; | |
b0f7b9b5 BP |
7141 | } |
7142 | ||
7143 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
7144 | static enum odp_key_fitness | |
7145 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
7146 | uint64_t present_attrs, int out_of_range_attr, | |
7147 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 | 7148 | const struct nlattr *key, size_t key_len, |
d40533fc | 7149 | const struct flow *src_flow, char **errorp) |
b0f7b9b5 BP |
7150 | { |
7151 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 7152 | bool is_mask = src_flow != flow; |
b0f7b9b5 | 7153 | |
f0fb825a | 7154 | const struct nlattr *encap; |
b0f7b9b5 | 7155 | enum odp_key_fitness encap_fitness; |
f0fb825a EG |
7156 | enum odp_key_fitness fitness = ODP_FIT_ERROR; |
7157 | int encaps = 0; | |
b0f7b9b5 | 7158 | |
f0fb825a EG |
7159 | while (encaps < flow_vlan_limit && |
7160 | (is_mask | |
7161 | ? (src_flow->vlans[encaps].tci & htons(VLAN_CFI)) != 0 | |
7162 | : eth_type_vlan(flow->dl_type))) { | |
7163 | ||
7164 | encap = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
7165 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
7166 | ||
7167 | /* Calculate fitness of outer attributes. */ | |
7168 | if (!is_mask) { | |
7169 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | | |
7170 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
7171 | } else { | |
7172 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
7173 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
7174 | } | |
7175 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) { | |
7176 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP); | |
7177 | } | |
4a221615 | 7178 | } |
f0fb825a EG |
7179 | fitness = check_expectations(present_attrs, out_of_range_attr, |
7180 | expected_attrs, key, key_len); | |
7181 | ||
7182 | /* Set vlan_tci. | |
7183 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
7184 | flow->vlans[encaps].tpid = flow->dl_type; | |
7185 | flow->dl_type = htons(0); | |
7186 | flow->vlans[encaps].tci = | |
7187 | (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN) | |
7188 | ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]) | |
7189 | : htons(0)); | |
7190 | if (!is_mask) { | |
f889568f | 7191 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) || |
7192 | !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
f0fb825a EG |
7193 | return ODP_FIT_TOO_LITTLE; |
7194 | } else if (flow->vlans[encaps].tci == htons(0)) { | |
7195 | /* Corner case for a truncated 802.1Q header. */ | |
7196 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
7197 | return ODP_FIT_TOO_MUCH; | |
7198 | } | |
7199 | return fitness; | |
7200 | } else if (!(flow->vlans[encaps].tci & htons(VLAN_CFI))) { | |
d40533fc BP |
7201 | odp_parse_error( |
7202 | &rl, errorp, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
7203 | "but CFI bit is not set", ntohs(flow->vlans[encaps].tci)); | |
f0fb825a EG |
7204 | return ODP_FIT_ERROR; |
7205 | } | |
7206 | } else { | |
7207 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
7208 | return fitness; | |
7209 | } | |
4a221615 | 7210 | } |
b0f7b9b5 | 7211 | |
f0fb825a EG |
7212 | /* Now parse the encapsulated attributes. */ |
7213 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
d40533fc BP |
7214 | attrs, &present_attrs, &out_of_range_attr, |
7215 | errorp)) { | |
3e634810 BP |
7216 | return ODP_FIT_ERROR; |
7217 | } | |
f0fb825a EG |
7218 | expected_attrs = 0; |
7219 | ||
7220 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, | |
d40533fc | 7221 | flow, src_flow, errorp)) { |
f0fb825a | 7222 | return ODP_FIT_ERROR; |
4a221615 | 7223 | } |
c5ad9811 YW |
7224 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, |
7225 | out_of_range_attr, | |
7226 | &expected_attrs, | |
7227 | flow, key, key_len, | |
d40533fc | 7228 | src_flow, false, errorp); |
c5ad9811 YW |
7229 | if (encap_fitness != ODP_FIT_PERFECT) { |
7230 | return encap_fitness; | |
7231 | } | |
f0fb825a | 7232 | encaps++; |
b0f7b9b5 | 7233 | } |
b0f7b9b5 | 7234 | |
c5ad9811 YW |
7235 | return check_expectations(present_attrs, out_of_range_attr, |
7236 | expected_attrs, key, key_len); | |
b0f7b9b5 BP |
7237 | } |
7238 | ||
4a221615 GY |
7239 | static enum odp_key_fitness |
7240 | odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len, | |
d40533fc BP |
7241 | struct flow *flow, const struct flow *src_flow, |
7242 | char **errorp) | |
b0f7b9b5 | 7243 | { |
74286173 BP |
7244 | /* New "struct flow" fields that are visible to the datapath (including all |
7245 | * data fields) should be translated from equivalent datapath flow fields | |
7246 | * here (you will have to add a OVS_KEY_ATTR_* for them). */ | |
3c6d05a0 | 7247 | BUILD_ASSERT_DECL(FLOW_WC_SEQ == 42); |
74286173 | 7248 | |
d40533fc BP |
7249 | enum odp_key_fitness fitness = ODP_FIT_ERROR; |
7250 | if (errorp) { | |
7251 | *errorp = NULL; | |
7252 | } | |
7253 | ||
b0f7b9b5 BP |
7254 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
7255 | uint64_t expected_attrs; | |
7256 | uint64_t present_attrs; | |
7257 | int out_of_range_attr; | |
4a221615 | 7258 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
7259 | |
7260 | memset(flow, 0, sizeof *flow); | |
7261 | ||
7262 | /* Parse attributes. */ | |
7263 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
d40533fc BP |
7264 | &out_of_range_attr, errorp)) { |
7265 | goto exit; | |
b0f7b9b5 BP |
7266 | } |
7267 | expected_attrs = 0; | |
7268 | ||
7269 | /* Metadata. */ | |
572f732a AZ |
7270 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) { |
7271 | flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]); | |
7272 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID; | |
7273 | } else if (is_mask) { | |
8c1b077f | 7274 | /* Always exact match recirc_id if it is not specified. */ |
572f732a AZ |
7275 | flow->recirc_id = UINT32_MAX; |
7276 | } | |
7277 | ||
7278 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) { | |
7279 | flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]); | |
7280 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH; | |
7281 | } | |
b0f7b9b5 | 7282 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { |
deedf7e7 | 7283 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
7284 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
7285 | } | |
7286 | ||
72e8bf28 | 7287 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
1362e248 | 7288 | flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); |
72e8bf28 AA |
7289 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; |
7290 | } | |
7291 | ||
07659514 JS |
7292 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_STATE)) { |
7293 | uint32_t odp_state = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_STATE]); | |
7294 | ||
7295 | flow->ct_state = odp_to_ovs_ct_state(odp_state); | |
7296 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_STATE; | |
7297 | } | |
7298 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE)) { | |
7299 | flow->ct_zone = nl_attr_get_u16(attrs[OVS_KEY_ATTR_CT_ZONE]); | |
7300 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE; | |
7301 | } | |
8e53fe8c JS |
7302 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_MARK)) { |
7303 | flow->ct_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_MARK]); | |
7304 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_MARK; | |
7305 | } | |
9daf2348 | 7306 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS)) { |
ab79d262 | 7307 | flow->ct_label = nl_attr_get_u128(attrs[OVS_KEY_ATTR_CT_LABELS]); |
9daf2348 JS |
7308 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS; |
7309 | } | |
daf4d3c1 JR |
7310 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4)) { |
7311 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4]); | |
7312 | flow->ct_nw_src = ct->ipv4_src; | |
7313 | flow->ct_nw_dst = ct->ipv4_dst; | |
7314 | flow->ct_nw_proto = ct->ipv4_proto; | |
7315 | flow->ct_tp_src = ct->src_port; | |
7316 | flow->ct_tp_dst = ct->dst_port; | |
7317 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4; | |
7318 | } | |
7319 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6)) { | |
7320 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6]); | |
7321 | ||
7322 | flow->ct_ipv6_src = ct->ipv6_src; | |
7323 | flow->ct_ipv6_dst = ct->ipv6_dst; | |
7324 | flow->ct_nw_proto = ct->ipv6_proto; | |
7325 | flow->ct_tp_src = ct->src_port; | |
7326 | flow->ct_tp_dst = ct->dst_port; | |
7327 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6; | |
7328 | } | |
07659514 | 7329 | |
9b405f1a PS |
7330 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
7331 | enum odp_key_fitness res; | |
05fb0928 | 7332 | |
8d8ab6c2 | 7333 | res = odp_tun_key_from_attr__(attrs[OVS_KEY_ATTR_TUNNEL], is_mask, |
d40533fc | 7334 | &flow->tunnel, errorp); |
9b405f1a | 7335 | if (res == ODP_FIT_ERROR) { |
d40533fc | 7336 | goto exit; |
9b405f1a PS |
7337 | } else if (res == ODP_FIT_PERFECT) { |
7338 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
7339 | } |
7340 | } | |
7341 | ||
b0f7b9b5 | 7342 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
4e022ec0 AW |
7343 | flow->in_port.odp_port |
7344 | = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]); | |
b0f7b9b5 | 7345 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
4a221615 | 7346 | } else if (!is_mask) { |
4e022ec0 | 7347 | flow->in_port.odp_port = ODPP_NONE; |
b0f7b9b5 BP |
7348 | } |
7349 | ||
beb75a40 JS |
7350 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE)) { |
7351 | flow->packet_type | |
7352 | = nl_attr_get_be32(attrs[OVS_KEY_ATTR_PACKET_TYPE]); | |
7353 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE; | |
29b5c0c3 BP |
7354 | if (pt_ns(src_flow->packet_type) == OFPHTN_ETHERTYPE) { |
7355 | flow->dl_type = pt_ns_type_be(flow->packet_type); | |
7356 | } | |
beb75a40 JS |
7357 | } else if (!is_mask) { |
7358 | flow->packet_type = htonl(PT_ETH); | |
7359 | } | |
7360 | ||
7361 | /* Check for Ethernet header. */ | |
b0f7b9b5 BP |
7362 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { |
7363 | const struct ovs_key_ethernet *eth_key; | |
7364 | ||
7365 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
3cea18ec | 7366 | put_ethernet_key(eth_key, flow); |
beb75a40 JS |
7367 | if (!is_mask) { |
7368 | flow->packet_type = htonl(PT_ETH); | |
4a221615 | 7369 | } |
4a221615 | 7370 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; |
b0f7b9b5 | 7371 | } |
beb75a40 JS |
7372 | else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
7373 | ovs_be16 ethertype = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); | |
7374 | if (!is_mask) { | |
7375 | flow->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
7376 | ntohs(ethertype)); | |
7377 | } | |
7378 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; | |
7379 | } | |
b0f7b9b5 BP |
7380 | |
7381 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
4a221615 | 7382 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, |
d40533fc BP |
7383 | src_flow, errorp)) { |
7384 | goto exit; | |
b0f7b9b5 BP |
7385 | } |
7386 | ||
21e70add | 7387 | if (is_mask |
f0fb825a EG |
7388 | ? (src_flow->vlans[0].tci & htons(VLAN_CFI)) != 0 |
7389 | : eth_type_vlan(src_flow->dl_type)) { | |
d40533fc BP |
7390 | fitness = parse_8021q_onward(attrs, present_attrs, out_of_range_attr, |
7391 | expected_attrs, flow, key, key_len, | |
7392 | src_flow, errorp); | |
7393 | } else { | |
7394 | if (is_mask) { | |
7395 | /* A missing VLAN mask means exact match on vlan_tci 0 (== no | |
7396 | * VLAN). */ | |
7397 | flow->vlans[0].tpid = htons(0xffff); | |
7398 | flow->vlans[0].tci = htons(0xffff); | |
7399 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
7400 | flow->vlans[0].tci = nl_attr_get_be16( | |
7401 | attrs[OVS_KEY_ATTR_VLAN]); | |
7402 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
7403 | } | |
7404 | } | |
7405 | fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, | |
7406 | &expected_attrs, flow, key, key_len, | |
7407 | src_flow, true, errorp); | |
4a221615 | 7408 | } |
d40533fc BP |
7409 | |
7410 | exit:; | |
7411 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
7412 | if (fitness == ODP_FIT_ERROR && (errorp || !VLOG_DROP_WARN(&rl))) { | |
7413 | struct ds s = DS_EMPTY_INITIALIZER; | |
7414 | if (is_mask) { | |
7415 | ds_put_cstr(&s, "the flow mask in error is: "); | |
7416 | odp_flow_key_format(key, key_len, &s); | |
7417 | ds_put_cstr(&s, ", for the following flow key: "); | |
7418 | flow_format(&s, src_flow, NULL); | |
7419 | } else { | |
7420 | ds_put_cstr(&s, "the flow key in error is: "); | |
7421 | odp_flow_key_format(key, key_len, &s); | |
4a221615 | 7422 | } |
d40533fc BP |
7423 | if (errorp) { |
7424 | char *old_error = *errorp; | |
7425 | *errorp = xasprintf("%s; %s", old_error, ds_cstr(&s)); | |
7426 | free(old_error); | |
7427 | } else { | |
7428 | VLOG_WARN("%s", ds_cstr(&s)); | |
7429 | } | |
7430 | ds_destroy(&s); | |
b0f7b9b5 | 7431 | } |
d40533fc | 7432 | return fitness; |
4a221615 GY |
7433 | } |
7434 | ||
7435 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
7436 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
7437 | * 'key' fits our expectations for what a flow key should contain. | |
7438 | * | |
7439 | * The 'in_port' will be the datapath's understanding of the port. The | |
7440 | * caller will need to translate with odp_port_to_ofp_port() if the | |
7441 | * OpenFlow port is needed. | |
7442 | * | |
7443 | * This function doesn't take the packet itself as an argument because none of | |
7444 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
7445 | * it is always possible to infer which additional attribute(s) should appear | |
7446 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
7447 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
7448 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
d40533fc BP |
7449 | * must be absent. |
7450 | * | |
7451 | * If 'errorp' is nonnull, this function uses it for detailed error reports: if | |
7452 | * the return value is ODP_FIT_ERROR, it stores a malloc()'d error string in | |
7453 | * '*errorp', otherwise NULL. */ | |
4a221615 GY |
7454 | enum odp_key_fitness |
7455 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
d40533fc | 7456 | struct flow *flow, char **errorp) |
4a221615 | 7457 | { |
d40533fc | 7458 | return odp_flow_key_to_flow__(key, key_len, flow, flow, errorp); |
4a221615 GY |
7459 | } |
7460 | ||
8d8ab6c2 JG |
7461 | /* Converts the 'mask_key_len' bytes of OVS_KEY_ATTR_* attributes in 'mask_key' |
7462 | * to a mask structure in 'mask'. 'flow' must be a previously translated flow | |
7463 | * corresponding to 'mask' and similarly flow_key/flow_key_len must be the | |
7464 | * attributes from that flow. Returns an ODP_FIT_* value that indicates how | |
d40533fc BP |
7465 | * well 'key' fits our expectations for what a flow key should contain. |
7466 | * | |
7467 | * If 'errorp' is nonnull, this function uses it for detailed error reports: if | |
7468 | * the return value is ODP_FIT_ERROR, it stores a malloc()'d error string in | |
7469 | * '*errorp', otherwise NULL. */ | |
8d8ab6c2 JG |
7470 | enum odp_key_fitness |
7471 | odp_flow_key_to_mask(const struct nlattr *mask_key, size_t mask_key_len, | |
d40533fc BP |
7472 | struct flow_wildcards *mask, const struct flow *src_flow, |
7473 | char **errorp) | |
ca8d3442 DDP |
7474 | { |
7475 | if (mask_key_len) { | |
7476 | return odp_flow_key_to_flow__(mask_key, mask_key_len, | |
d40533fc | 7477 | &mask->masks, src_flow, errorp); |
ca8d3442 | 7478 | } else { |
d40533fc BP |
7479 | if (errorp) { |
7480 | *errorp = NULL; | |
7481 | } | |
7482 | ||
ca8d3442 DDP |
7483 | /* A missing mask means that the flow should be exact matched. |
7484 | * Generate an appropriate exact wildcard for the flow. */ | |
7485 | flow_wildcards_init_for_packet(mask, src_flow); | |
7486 | ||
7487 | return ODP_FIT_PERFECT; | |
7488 | } | |
7489 | } | |
39db78a0 | 7490 | |
8b668ee3 PB |
7491 | /* Converts the netlink formated key/mask to match. |
7492 | * Fails if odp_flow_key_from_key/mask and odp_flow_key_key/mask | |
7493 | * disagree on the acceptable form of flow */ | |
7494 | int | |
7495 | parse_key_and_mask_to_match(const struct nlattr *key, size_t key_len, | |
7496 | const struct nlattr *mask, size_t mask_len, | |
7497 | struct match *match) | |
7498 | { | |
7499 | enum odp_key_fitness fitness; | |
7500 | ||
d40533fc | 7501 | fitness = odp_flow_key_to_flow(key, key_len, &match->flow, NULL); |
8b668ee3 PB |
7502 | if (fitness) { |
7503 | /* This should not happen: it indicates that | |
7504 | * odp_flow_key_from_flow() and odp_flow_key_to_flow() disagree on | |
7505 | * the acceptable form of a flow. Log the problem as an error, | |
7506 | * with enough details to enable debugging. */ | |
7507 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
7508 | ||
7509 | if (!VLOG_DROP_ERR(&rl)) { | |
7510 | struct ds s; | |
7511 | ||
7512 | ds_init(&s); | |
7513 | odp_flow_format(key, key_len, NULL, 0, NULL, &s, true); | |
7514 | VLOG_ERR("internal error parsing flow key %s", ds_cstr(&s)); | |
7515 | ds_destroy(&s); | |
7516 | } | |
7517 | ||
7518 | return EINVAL; | |
7519 | } | |
7520 | ||
d40533fc BP |
7521 | fitness = odp_flow_key_to_mask(mask, mask_len, &match->wc, &match->flow, |
7522 | NULL); | |
8b668ee3 PB |
7523 | if (fitness) { |
7524 | /* This should not happen: it indicates that | |
7525 | * odp_flow_key_from_mask() and odp_flow_key_to_mask() | |
7526 | * disagree on the acceptable form of a mask. Log the problem | |
7527 | * as an error, with enough details to enable debugging. */ | |
7528 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
7529 | ||
7530 | if (!VLOG_DROP_ERR(&rl)) { | |
7531 | struct ds s; | |
7532 | ||
7533 | ds_init(&s); | |
7534 | odp_flow_format(key, key_len, mask, mask_len, NULL, &s, | |
7535 | true); | |
7536 | VLOG_ERR("internal error parsing flow mask %s (%s)", | |
7537 | ds_cstr(&s), odp_key_fitness_to_string(fitness)); | |
7538 | ds_destroy(&s); | |
7539 | } | |
7540 | ||
7541 | return EINVAL; | |
7542 | } | |
7543 | ||
7544 | return 0; | |
7545 | } | |
7546 | ||
6814e51f BP |
7547 | /* Returns 'fitness' as a string, for use in debug messages. */ |
7548 | const char * | |
7549 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
7550 | { | |
7551 | switch (fitness) { | |
7552 | case ODP_FIT_PERFECT: | |
7553 | return "OK"; | |
7554 | case ODP_FIT_TOO_MUCH: | |
7555 | return "too_much"; | |
7556 | case ODP_FIT_TOO_LITTLE: | |
7557 | return "too_little"; | |
7558 | case ODP_FIT_ERROR: | |
7559 | return "error"; | |
7560 | default: | |
7561 | return "<unknown>"; | |
7562 | } | |
7563 | } | |
7564 | ||
39db78a0 | 7565 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df | 7566 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
55f2b065 IM |
7567 | * whose contents are the 'userdata_size' bytes at 'userdata' and sets |
7568 | * 'odp_actions_ofs' if nonnull with the offset within 'odp_actions' of the | |
7569 | * start of the cookie. (If 'userdata' is null, then the 'odp_actions_ofs' | |
7570 | * value is not meaningful.) | |
7571 | * | |
7572 | * Returns negative error code on failure. */ | |
7573 | int | |
e995e3df BP |
7574 | odp_put_userspace_action(uint32_t pid, |
7575 | const void *userdata, size_t userdata_size, | |
8b7ea2d4 | 7576 | odp_port_t tunnel_out_port, |
7321bda3 | 7577 | bool include_actions, |
55f2b065 | 7578 | struct ofpbuf *odp_actions, size_t *odp_actions_ofs) |
39db78a0 | 7579 | { |
e995e3df | 7580 | size_t userdata_ofs; |
39db78a0 BP |
7581 | size_t offset; |
7582 | ||
7583 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
7584 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df | 7585 | if (userdata) { |
55f2b065 IM |
7586 | if (nl_attr_oversized(userdata_size)) { |
7587 | return -E2BIG; | |
7588 | } | |
6fd6ed71 | 7589 | userdata_ofs = odp_actions->size + NLA_HDRLEN; |
96ed775f BP |
7590 | |
7591 | /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel | |
7592 | * module before Linux 3.10 required the userdata to be exactly 8 bytes | |
7593 | * long: | |
7594 | * | |
7595 | * - The kernel rejected shorter userdata with -ERANGE. | |
7596 | * | |
7597 | * - The kernel silently dropped userdata beyond the first 8 bytes. | |
7598 | * | |
7599 | * Thus, for maximum compatibility, always put at least 8 bytes. (We | |
7600 | * separately disable features that required more than 8 bytes.) */ | |
7601 | memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA, | |
7602 | MAX(8, userdata_size)), | |
7603 | userdata, userdata_size); | |
e995e3df BP |
7604 | } else { |
7605 | userdata_ofs = 0; | |
39db78a0 | 7606 | } |
8b7ea2d4 WZ |
7607 | if (tunnel_out_port != ODPP_NONE) { |
7608 | nl_msg_put_odp_port(odp_actions, OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, | |
7609 | tunnel_out_port); | |
7610 | } | |
7321bda3 NM |
7611 | if (include_actions) { |
7612 | nl_msg_put_flag(odp_actions, OVS_USERSPACE_ATTR_ACTIONS); | |
7613 | } | |
55f2b065 IM |
7614 | if (nl_attr_oversized(odp_actions->size - offset - NLA_HDRLEN)) { |
7615 | return -E2BIG; | |
7616 | } | |
39db78a0 BP |
7617 | nl_msg_end_nested(odp_actions, offset); |
7618 | ||
55f2b065 IM |
7619 | if (odp_actions_ofs) { |
7620 | *odp_actions_ofs = userdata_ofs; | |
7621 | } | |
7622 | ||
7623 | return 0; | |
39db78a0 | 7624 | } |
b9ad7294 | 7625 | |
88fc5281 JS |
7626 | void |
7627 | odp_put_pop_eth_action(struct ofpbuf *odp_actions) | |
7628 | { | |
7629 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_ETH); | |
7630 | } | |
7631 | ||
7632 | void | |
7633 | odp_put_push_eth_action(struct ofpbuf *odp_actions, | |
7634 | const struct eth_addr *eth_src, | |
7635 | const struct eth_addr *eth_dst) | |
7636 | { | |
7637 | struct ovs_action_push_eth eth; | |
7638 | ||
7639 | memset(ð, 0, sizeof eth); | |
7640 | if (eth_src) { | |
7641 | eth.addresses.eth_src = *eth_src; | |
7642 | } | |
7643 | if (eth_dst) { | |
7644 | eth.addresses.eth_dst = *eth_dst; | |
7645 | } | |
7646 | ||
7647 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_ETH, | |
7648 | ð, sizeof eth); | |
7649 | } | |
7650 | ||
b9ad7294 EJ |
7651 | void |
7652 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
c6d87201 | 7653 | struct ofpbuf *odp_actions, const char *tnl_type) |
b9ad7294 EJ |
7654 | { |
7655 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
c6d87201 | 7656 | tun_key_to_attr(odp_actions, tunnel, tunnel, NULL, tnl_type); |
b9ad7294 EJ |
7657 | nl_msg_end_nested(odp_actions, offset); |
7658 | } | |
a36de779 PS |
7659 | |
7660 | void | |
7661 | odp_put_tnl_push_action(struct ofpbuf *odp_actions, | |
7662 | struct ovs_action_push_tnl *data) | |
7663 | { | |
7664 | int size = offsetof(struct ovs_action_push_tnl, header); | |
7665 | ||
7666 | size += data->header_len; | |
7667 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_TUNNEL_PUSH, data, size); | |
7668 | } | |
7669 | ||
5bbda0aa EJ |
7670 | \f |
7671 | /* The commit_odp_actions() function and its helpers. */ | |
7672 | ||
7673 | static void | |
7674 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
7675 | const void *key, size_t key_size) | |
7676 | { | |
7677 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
7678 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
7679 | nl_msg_end_nested(odp_actions, offset); | |
7680 | } | |
7681 | ||
6d670e7f JR |
7682 | /* Masked set actions have a mask following the data within the netlink |
7683 | * attribute. The unmasked bits in the data will be cleared as the data | |
7684 | * is copied to the action. */ | |
7685 | void | |
7686 | commit_masked_set_action(struct ofpbuf *odp_actions, | |
7687 | enum ovs_key_attr key_type, | |
7688 | const void *key_, const void *mask_, size_t key_size) | |
7689 | { | |
7690 | size_t offset = nl_msg_start_nested(odp_actions, | |
7691 | OVS_ACTION_ATTR_SET_MASKED); | |
7692 | char *data = nl_msg_put_unspec_uninit(odp_actions, key_type, key_size * 2); | |
7693 | const char *key = key_, *mask = mask_; | |
7694 | ||
7695 | memcpy(data + key_size, mask, key_size); | |
7696 | /* Clear unmasked bits while copying. */ | |
7697 | while (key_size--) { | |
7698 | *data++ = *key++ & *mask++; | |
7699 | } | |
7700 | nl_msg_end_nested(odp_actions, offset); | |
7701 | } | |
7702 | ||
b9ad7294 EJ |
7703 | /* If any of the flow key data that ODP actions can modify are different in |
7704 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
7705 | * 'odp_actions' that change the flow tunneling information in key from | |
7706 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
7707 | * same way. In other words, operates the same as commit_odp_actions(), but | |
7708 | * only on tunneling information. */ | |
7709 | void | |
7710 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
c6d87201 | 7711 | struct ofpbuf *odp_actions, const char *tnl_type) |
5bbda0aa | 7712 | { |
ffe4c74f JB |
7713 | /* A valid IPV4_TUNNEL must have non-zero ip_dst; a valid IPv6 tunnel |
7714 | * must have non-zero ipv6_dst. */ | |
7715 | if (flow_tnl_dst_is_set(&flow->tunnel)) { | |
fc80de30 JR |
7716 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
7717 | return; | |
7718 | } | |
7719 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
c6d87201 | 7720 | odp_put_tunnel_action(&base->tunnel, odp_actions, tnl_type); |
05fb0928 | 7721 | } |
5bbda0aa EJ |
7722 | } |
7723 | ||
dbf4a928 EB |
7724 | struct offsetof_sizeof { |
7725 | int offset; | |
7726 | int size; | |
7727 | }; | |
7728 | ||
e8bf7774 IM |
7729 | |
7730 | /* Performs bitwise OR over the fields in 'dst_' and 'src_' specified in | |
7731 | * 'offsetof_sizeof_arr' array. Result is stored in 'dst_'. */ | |
7732 | static void | |
7733 | or_masks(void *dst_, const void *src_, | |
7734 | struct offsetof_sizeof *offsetof_sizeof_arr) | |
7735 | { | |
7736 | int field, size, offset; | |
7737 | const uint8_t *src = src_; | |
7738 | uint8_t *dst = dst_; | |
7739 | ||
7740 | for (field = 0; ; field++) { | |
7741 | size = offsetof_sizeof_arr[field].size; | |
7742 | offset = offsetof_sizeof_arr[field].offset; | |
7743 | ||
7744 | if (!size) { | |
7745 | return; | |
7746 | } | |
7747 | or_bytes(dst + offset, src + offset, size); | |
7748 | } | |
7749 | } | |
7750 | ||
dbf4a928 EB |
7751 | /* Compares each of the fields in 'key0' and 'key1'. The fields are specified |
7752 | * in 'offsetof_sizeof_arr', which is an array terminated by a 0-size field. | |
7753 | * Returns true if all of the fields are equal, false if at least one differs. | |
7754 | * As a side effect, for each field that is the same in 'key0' and 'key1', | |
7755 | * zeros the corresponding bytes in 'mask'. */ | |
7756 | static bool | |
7757 | keycmp_mask(const void *key0, const void *key1, | |
7758 | struct offsetof_sizeof *offsetof_sizeof_arr, void *mask) | |
7759 | { | |
7760 | bool differ = false; | |
7761 | ||
7762 | for (int field = 0 ; ; field++) { | |
7763 | int size = offsetof_sizeof_arr[field].size; | |
7764 | int offset = offsetof_sizeof_arr[field].offset; | |
7765 | if (size == 0) { | |
7766 | break; | |
7767 | } | |
7768 | ||
7769 | char *pkey0 = ((char *)key0) + offset; | |
7770 | char *pkey1 = ((char *)key1) + offset; | |
7771 | char *pmask = ((char *)mask) + offset; | |
7772 | if (memcmp(pkey0, pkey1, size) == 0) { | |
7773 | memset(pmask, 0, size); | |
7774 | } else { | |
7775 | differ = true; | |
7776 | } | |
7777 | } | |
7778 | ||
7779 | return differ; | |
7780 | } | |
7781 | ||
d23df9a8 JR |
7782 | static bool |
7783 | commit(enum ovs_key_attr attr, bool use_masked_set, | |
7784 | const void *key, void *base, void *mask, size_t size, | |
dbf4a928 | 7785 | struct offsetof_sizeof *offsetof_sizeof_arr, |
d23df9a8 | 7786 | struct ofpbuf *odp_actions) |
5bbda0aa | 7787 | { |
dbf4a928 | 7788 | if (keycmp_mask(key, base, offsetof_sizeof_arr, mask)) { |
d23df9a8 | 7789 | bool fully_masked = odp_mask_is_exact(attr, mask, size); |
5bbda0aa | 7790 | |
d23df9a8 JR |
7791 | if (use_masked_set && !fully_masked) { |
7792 | commit_masked_set_action(odp_actions, attr, key, mask, size); | |
7793 | } else { | |
7794 | if (!fully_masked) { | |
7795 | memset(mask, 0xff, size); | |
7796 | } | |
7797 | commit_set_action(odp_actions, attr, key, size); | |
7798 | } | |
7799 | memcpy(base, key, size); | |
7800 | return true; | |
7801 | } else { | |
7802 | /* Mask bits are set when we have either read or set the corresponding | |
7803 | * values. Masked bits will be exact-matched, no need to set them | |
7804 | * if the value did not actually change. */ | |
7805 | return false; | |
5bbda0aa | 7806 | } |
d23df9a8 | 7807 | } |
5bbda0aa | 7808 | |
d23df9a8 JR |
7809 | static void |
7810 | get_ethernet_key(const struct flow *flow, struct ovs_key_ethernet *eth) | |
7811 | { | |
74ff3298 JR |
7812 | eth->eth_src = flow->dl_src; |
7813 | eth->eth_dst = flow->dl_dst; | |
d23df9a8 | 7814 | } |
1dd35f8a | 7815 | |
d23df9a8 JR |
7816 | static void |
7817 | put_ethernet_key(const struct ovs_key_ethernet *eth, struct flow *flow) | |
7818 | { | |
74ff3298 JR |
7819 | flow->dl_src = eth->eth_src; |
7820 | flow->dl_dst = eth->eth_dst; | |
d23df9a8 | 7821 | } |
5bbda0aa | 7822 | |
d23df9a8 | 7823 | static void |
f839892a JS |
7824 | commit_set_ether_action(const struct flow *flow, struct flow *base_flow, |
7825 | struct ofpbuf *odp_actions, | |
7826 | struct flow_wildcards *wc, | |
7827 | bool use_masked) | |
d23df9a8 | 7828 | { |
e8bf7774 | 7829 | struct ovs_key_ethernet key, base, mask, orig_mask; |
dbf4a928 EB |
7830 | struct offsetof_sizeof ovs_key_ethernet_offsetof_sizeof_arr[] = |
7831 | OVS_KEY_ETHERNET_OFFSETOF_SIZEOF_ARR; | |
e8bf7774 | 7832 | |
f839892a JS |
7833 | if (flow->packet_type != htonl(PT_ETH)) { |
7834 | return; | |
7835 | } | |
7836 | ||
d23df9a8 JR |
7837 | get_ethernet_key(flow, &key); |
7838 | get_ethernet_key(base_flow, &base); | |
7839 | get_ethernet_key(&wc->masks, &mask); | |
e8bf7774 | 7840 | memcpy(&orig_mask, &mask, sizeof mask); |
d23df9a8 JR |
7841 | |
7842 | if (commit(OVS_KEY_ATTR_ETHERNET, use_masked, | |
dbf4a928 EB |
7843 | &key, &base, &mask, sizeof key, |
7844 | ovs_key_ethernet_offsetof_sizeof_arr, odp_actions)) { | |
d23df9a8 | 7845 | put_ethernet_key(&base, base_flow); |
e8bf7774 | 7846 | or_masks(&mask, &orig_mask, ovs_key_ethernet_offsetof_sizeof_arr); |
d23df9a8 JR |
7847 | put_ethernet_key(&mask, &wc->masks); |
7848 | } | |
5bbda0aa EJ |
7849 | } |
7850 | ||
7851 | static void | |
f0fb825a EG |
7852 | commit_vlan_action(const struct flow* flow, struct flow *base, |
7853 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
5bbda0aa | 7854 | { |
f0fb825a EG |
7855 | int base_n = flow_count_vlan_headers(base); |
7856 | int flow_n = flow_count_vlan_headers(flow); | |
7857 | flow_skip_common_vlan_headers(base, &base_n, flow, &flow_n); | |
1dd35f8a | 7858 | |
f0fb825a EG |
7859 | /* Pop all mismatching vlan of base, push those of flow */ |
7860 | for (; base_n >= 0; base_n--) { | |
5bbda0aa | 7861 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); |
f0fb825a | 7862 | wc->masks.vlans[base_n].qtag = OVS_BE32_MAX; |
5bbda0aa EJ |
7863 | } |
7864 | ||
f0fb825a | 7865 | for (; flow_n >= 0; flow_n--) { |
5bbda0aa EJ |
7866 | struct ovs_action_push_vlan vlan; |
7867 | ||
f0fb825a EG |
7868 | vlan.vlan_tpid = flow->vlans[flow_n].tpid; |
7869 | vlan.vlan_tci = flow->vlans[flow_n].tci; | |
5bbda0aa EJ |
7870 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, |
7871 | &vlan, sizeof vlan); | |
7872 | } | |
f0fb825a | 7873 | memcpy(base->vlans, flow->vlans, sizeof(base->vlans)); |
5bbda0aa EJ |
7874 | } |
7875 | ||
22d38fca | 7876 | /* Wildcarding already done at action translation time. */ |
b02475c5 SH |
7877 | static void |
7878 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
22d38fca | 7879 | struct ofpbuf *odp_actions) |
b02475c5 | 7880 | { |
22d38fca JR |
7881 | int base_n = flow_count_mpls_labels(base, NULL); |
7882 | int flow_n = flow_count_mpls_labels(flow, NULL); | |
8bfd0fda | 7883 | int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n, |
22d38fca | 7884 | NULL); |
8bfd0fda BP |
7885 | |
7886 | while (base_n > common_n) { | |
7887 | if (base_n - 1 == common_n && flow_n > common_n) { | |
7888 | /* If there is only one more LSE in base than there are common | |
7889 | * between base and flow; and flow has at least one more LSE than | |
7890 | * is common then the topmost LSE of base may be updated using | |
7891 | * set */ | |
7892 | struct ovs_key_mpls mpls_key; | |
7893 | ||
7894 | mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n]; | |
7895 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, | |
7896 | &mpls_key, sizeof mpls_key); | |
7897 | flow_set_mpls_lse(base, 0, mpls_key.mpls_lse); | |
7898 | common_n++; | |
7899 | } else { | |
7900 | /* Otherwise, if there more LSEs in base than are common between | |
7901 | * base and flow then pop the topmost one. */ | |
7902 | ovs_be16 dl_type; | |
8bfd0fda BP |
7903 | /* If all the LSEs are to be popped and this is not the outermost |
7904 | * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the | |
7905 | * POP_MPLS action instead of flow->dl_type. | |
7906 | * | |
7907 | * This is because the POP_MPLS action requires its ethertype | |
7908 | * argument to be an MPLS ethernet type but in this case | |
7909 | * flow->dl_type will be a non-MPLS ethernet type. | |
7910 | * | |
7911 | * When the final POP_MPLS action occurs it use flow->dl_type and | |
7912 | * the and the resulting packet will have the desired dl_type. */ | |
7913 | if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) { | |
7914 | dl_type = htons(ETH_TYPE_MPLS); | |
7915 | } else { | |
7916 | dl_type = flow->dl_type; | |
7917 | } | |
7918 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type); | |
500db308 | 7919 | ovs_assert(flow_pop_mpls(base, base_n, flow->dl_type, NULL)); |
8bfd0fda BP |
7920 | base_n--; |
7921 | } | |
b02475c5 SH |
7922 | } |
7923 | ||
8bfd0fda BP |
7924 | /* If, after the above popping and setting, there are more LSEs in flow |
7925 | * than base then some LSEs need to be pushed. */ | |
7926 | while (base_n < flow_n) { | |
b02475c5 SH |
7927 | struct ovs_action_push_mpls *mpls; |
7928 | ||
8bfd0fda BP |
7929 | mpls = nl_msg_put_unspec_zero(odp_actions, |
7930 | OVS_ACTION_ATTR_PUSH_MPLS, | |
9ddf12cc | 7931 | sizeof *mpls); |
b02475c5 | 7932 | mpls->mpls_ethertype = flow->dl_type; |
8bfd0fda | 7933 | mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1]; |
742c0ac3 JR |
7934 | /* Update base flow's MPLS stack, but do not clear L3. We need the L3 |
7935 | * headers if the flow is restored later due to returning from a patch | |
7936 | * port or group bucket. */ | |
7937 | flow_push_mpls(base, base_n, mpls->mpls_ethertype, NULL, false); | |
8bfd0fda BP |
7938 | flow_set_mpls_lse(base, 0, mpls->mpls_lse); |
7939 | base_n++; | |
b0a17866 | 7940 | } |
b02475c5 SH |
7941 | } |
7942 | ||
5bbda0aa | 7943 | static void |
3cea18ec | 7944 | get_ipv4_key(const struct flow *flow, struct ovs_key_ipv4 *ipv4, bool is_mask) |
5bbda0aa | 7945 | { |
d23df9a8 JR |
7946 | ipv4->ipv4_src = flow->nw_src; |
7947 | ipv4->ipv4_dst = flow->nw_dst; | |
7948 | ipv4->ipv4_proto = flow->nw_proto; | |
7949 | ipv4->ipv4_tos = flow->nw_tos; | |
7950 | ipv4->ipv4_ttl = flow->nw_ttl; | |
3cea18ec | 7951 | ipv4->ipv4_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 7952 | } |
5bbda0aa | 7953 | |
d23df9a8 | 7954 | static void |
3cea18ec | 7955 | put_ipv4_key(const struct ovs_key_ipv4 *ipv4, struct flow *flow, bool is_mask) |
d23df9a8 JR |
7956 | { |
7957 | flow->nw_src = ipv4->ipv4_src; | |
7958 | flow->nw_dst = ipv4->ipv4_dst; | |
7959 | flow->nw_proto = ipv4->ipv4_proto; | |
7960 | flow->nw_tos = ipv4->ipv4_tos; | |
7961 | flow->nw_ttl = ipv4->ipv4_ttl; | |
3cea18ec | 7962 | flow->nw_frag = odp_to_ovs_frag(ipv4->ipv4_frag, is_mask); |
d23df9a8 JR |
7963 | } |
7964 | ||
7965 | static void | |
7966 | commit_set_ipv4_action(const struct flow *flow, struct flow *base_flow, | |
7967 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
7968 | bool use_masked) | |
7969 | { | |
e8bf7774 | 7970 | struct ovs_key_ipv4 key, mask, orig_mask, base; |
dbf4a928 EB |
7971 | struct offsetof_sizeof ovs_key_ipv4_offsetof_sizeof_arr[] = |
7972 | OVS_KEY_IPV4_OFFSETOF_SIZEOF_ARR; | |
5bbda0aa | 7973 | |
d23df9a8 JR |
7974 | /* Check that nw_proto and nw_frag remain unchanged. */ |
7975 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
7976 | flow->nw_frag == base_flow->nw_frag); | |
1dd35f8a | 7977 | |
3cea18ec JR |
7978 | get_ipv4_key(flow, &key, false); |
7979 | get_ipv4_key(base_flow, &base, false); | |
7980 | get_ipv4_key(&wc->masks, &mask, true); | |
e8bf7774 | 7981 | memcpy(&orig_mask, &mask, sizeof mask); |
d23df9a8 JR |
7982 | mask.ipv4_proto = 0; /* Not writeable. */ |
7983 | mask.ipv4_frag = 0; /* Not writable. */ | |
5bbda0aa | 7984 | |
b51d0390 JL |
7985 | if (flow_tnl_dst_is_set(&base_flow->tunnel) && |
7986 | ((base_flow->nw_tos ^ flow->nw_tos) & IP_ECN_MASK) == 0) { | |
7987 | mask.ipv4_tos &= ~IP_ECN_MASK; | |
7988 | } | |
7989 | ||
d23df9a8 | 7990 | if (commit(OVS_KEY_ATTR_IPV4, use_masked, &key, &base, &mask, sizeof key, |
dbf4a928 | 7991 | ovs_key_ipv4_offsetof_sizeof_arr, odp_actions)) { |
3cea18ec | 7992 | put_ipv4_key(&base, base_flow, false); |
e8bf7774 IM |
7993 | or_masks(&mask, &orig_mask, ovs_key_ipv4_offsetof_sizeof_arr); |
7994 | put_ipv4_key(&mask, &wc->masks, true); | |
d23df9a8 | 7995 | } |
5bbda0aa EJ |
7996 | } |
7997 | ||
c4f2731d | 7998 | static void |
3cea18ec | 7999 | get_ipv6_key(const struct flow *flow, struct ovs_key_ipv6 *ipv6, bool is_mask) |
c4f2731d | 8000 | { |
932c96b7 JR |
8001 | ipv6->ipv6_src = flow->ipv6_src; |
8002 | ipv6->ipv6_dst = flow->ipv6_dst; | |
d23df9a8 JR |
8003 | ipv6->ipv6_label = flow->ipv6_label; |
8004 | ipv6->ipv6_proto = flow->nw_proto; | |
8005 | ipv6->ipv6_tclass = flow->nw_tos; | |
8006 | ipv6->ipv6_hlimit = flow->nw_ttl; | |
3cea18ec | 8007 | ipv6->ipv6_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 8008 | } |
c4f2731d | 8009 | |
d23df9a8 | 8010 | static void |
3cea18ec | 8011 | put_ipv6_key(const struct ovs_key_ipv6 *ipv6, struct flow *flow, bool is_mask) |
d23df9a8 | 8012 | { |
932c96b7 JR |
8013 | flow->ipv6_src = ipv6->ipv6_src; |
8014 | flow->ipv6_dst = ipv6->ipv6_dst; | |
d23df9a8 JR |
8015 | flow->ipv6_label = ipv6->ipv6_label; |
8016 | flow->nw_proto = ipv6->ipv6_proto; | |
8017 | flow->nw_tos = ipv6->ipv6_tclass; | |
8018 | flow->nw_ttl = ipv6->ipv6_hlimit; | |
3cea18ec | 8019 | flow->nw_frag = odp_to_ovs_frag(ipv6->ipv6_frag, is_mask); |
d23df9a8 | 8020 | } |
c4f2731d | 8021 | |
d23df9a8 JR |
8022 | static void |
8023 | commit_set_ipv6_action(const struct flow *flow, struct flow *base_flow, | |
8024 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
8025 | bool use_masked) | |
8026 | { | |
e8bf7774 | 8027 | struct ovs_key_ipv6 key, mask, orig_mask, base; |
dbf4a928 EB |
8028 | struct offsetof_sizeof ovs_key_ipv6_offsetof_sizeof_arr[] = |
8029 | OVS_KEY_IPV6_OFFSETOF_SIZEOF_ARR; | |
1dd35f8a | 8030 | |
d23df9a8 JR |
8031 | /* Check that nw_proto and nw_frag remain unchanged. */ |
8032 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
8033 | flow->nw_frag == base_flow->nw_frag); | |
c4f2731d | 8034 | |
3cea18ec JR |
8035 | get_ipv6_key(flow, &key, false); |
8036 | get_ipv6_key(base_flow, &base, false); | |
8037 | get_ipv6_key(&wc->masks, &mask, true); | |
e8bf7774 | 8038 | memcpy(&orig_mask, &mask, sizeof mask); |
d23df9a8 JR |
8039 | mask.ipv6_proto = 0; /* Not writeable. */ |
8040 | mask.ipv6_frag = 0; /* Not writable. */ | |
f8977154 | 8041 | mask.ipv6_label &= htonl(IPV6_LABEL_MASK); /* Not writable. */ |
c4f2731d | 8042 | |
b51d0390 JL |
8043 | if (flow_tnl_dst_is_set(&base_flow->tunnel) && |
8044 | ((base_flow->nw_tos ^ flow->nw_tos) & IP_ECN_MASK) == 0) { | |
8045 | mask.ipv6_tclass &= ~IP_ECN_MASK; | |
8046 | } | |
8047 | ||
d23df9a8 | 8048 | if (commit(OVS_KEY_ATTR_IPV6, use_masked, &key, &base, &mask, sizeof key, |
dbf4a928 | 8049 | ovs_key_ipv6_offsetof_sizeof_arr, odp_actions)) { |
3cea18ec | 8050 | put_ipv6_key(&base, base_flow, false); |
e8bf7774 IM |
8051 | or_masks(&mask, &orig_mask, ovs_key_ipv6_offsetof_sizeof_arr); |
8052 | put_ipv6_key(&mask, &wc->masks, true); | |
d23df9a8 | 8053 | } |
c4f2731d PS |
8054 | } |
8055 | ||
d23df9a8 JR |
8056 | static void |
8057 | get_arp_key(const struct flow *flow, struct ovs_key_arp *arp) | |
f6c8a6b1 | 8058 | { |
d23df9a8 JR |
8059 | /* ARP key has padding, clear it. */ |
8060 | memset(arp, 0, sizeof *arp); | |
f6c8a6b1 | 8061 | |
d23df9a8 JR |
8062 | arp->arp_sip = flow->nw_src; |
8063 | arp->arp_tip = flow->nw_dst; | |
a3db6e47 TZ |
8064 | arp->arp_op = flow->nw_proto == UINT8_MAX ? |
8065 | OVS_BE16_MAX : htons(flow->nw_proto); | |
74ff3298 JR |
8066 | arp->arp_sha = flow->arp_sha; |
8067 | arp->arp_tha = flow->arp_tha; | |
d23df9a8 | 8068 | } |
f6c8a6b1 | 8069 | |
d23df9a8 JR |
8070 | static void |
8071 | put_arp_key(const struct ovs_key_arp *arp, struct flow *flow) | |
8072 | { | |
8073 | flow->nw_src = arp->arp_sip; | |
8074 | flow->nw_dst = arp->arp_tip; | |
8075 | flow->nw_proto = ntohs(arp->arp_op); | |
74ff3298 JR |
8076 | flow->arp_sha = arp->arp_sha; |
8077 | flow->arp_tha = arp->arp_tha; | |
d23df9a8 | 8078 | } |
f6c8a6b1 | 8079 | |
d23df9a8 JR |
8080 | static enum slow_path_reason |
8081 | commit_set_arp_action(const struct flow *flow, struct flow *base_flow, | |
8082 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
8083 | { | |
e8bf7774 | 8084 | struct ovs_key_arp key, mask, orig_mask, base; |
dbf4a928 EB |
8085 | struct offsetof_sizeof ovs_key_arp_offsetof_sizeof_arr[] = |
8086 | OVS_KEY_ARP_OFFSETOF_SIZEOF_ARR; | |
f6c8a6b1 | 8087 | |
d23df9a8 JR |
8088 | get_arp_key(flow, &key); |
8089 | get_arp_key(base_flow, &base); | |
8090 | get_arp_key(&wc->masks, &mask); | |
e8bf7774 | 8091 | memcpy(&orig_mask, &mask, sizeof mask); |
f6c8a6b1 | 8092 | |
d23df9a8 | 8093 | if (commit(OVS_KEY_ATTR_ARP, true, &key, &base, &mask, sizeof key, |
dbf4a928 | 8094 | ovs_key_arp_offsetof_sizeof_arr, odp_actions)) { |
d23df9a8 | 8095 | put_arp_key(&base, base_flow); |
e8bf7774 | 8096 | or_masks(&mask, &orig_mask, ovs_key_arp_offsetof_sizeof_arr); |
d23df9a8 JR |
8097 | put_arp_key(&mask, &wc->masks); |
8098 | return SLOW_ACTION; | |
8099 | } | |
8100 | return 0; | |
f6c8a6b1 BP |
8101 | } |
8102 | ||
f6ecf944 JP |
8103 | static void |
8104 | get_icmp_key(const struct flow *flow, struct ovs_key_icmp *icmp) | |
8105 | { | |
8106 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
8107 | icmp->icmp_type = ntohs(flow->tp_src); | |
8108 | icmp->icmp_code = ntohs(flow->tp_dst); | |
8109 | } | |
8110 | ||
8111 | static void | |
8112 | put_icmp_key(const struct ovs_key_icmp *icmp, struct flow *flow) | |
8113 | { | |
8114 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
8115 | flow->tp_src = htons(icmp->icmp_type); | |
8116 | flow->tp_dst = htons(icmp->icmp_code); | |
8117 | } | |
8118 | ||
8119 | static enum slow_path_reason | |
8120 | commit_set_icmp_action(const struct flow *flow, struct flow *base_flow, | |
8121 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
8122 | { | |
e8bf7774 | 8123 | struct ovs_key_icmp key, mask, orig_mask, base; |
dbf4a928 EB |
8124 | struct offsetof_sizeof ovs_key_icmp_offsetof_sizeof_arr[] = |
8125 | OVS_KEY_ICMP_OFFSETOF_SIZEOF_ARR; | |
f6ecf944 JP |
8126 | enum ovs_key_attr attr; |
8127 | ||
a75636c8 | 8128 | if (is_icmpv4(flow, NULL)) { |
efa6665e | 8129 | attr = OVS_KEY_ATTR_ICMP; |
a75636c8 | 8130 | } else if (is_icmpv6(flow, NULL)) { |
efa6665e DDP |
8131 | attr = OVS_KEY_ATTR_ICMPV6; |
8132 | } else { | |
8133 | return 0; | |
8134 | } | |
8135 | ||
f6ecf944 JP |
8136 | get_icmp_key(flow, &key); |
8137 | get_icmp_key(base_flow, &base); | |
8138 | get_icmp_key(&wc->masks, &mask); | |
e8bf7774 | 8139 | memcpy(&orig_mask, &mask, sizeof mask); |
f6ecf944 | 8140 | |
dbf4a928 EB |
8141 | if (commit(attr, false, &key, &base, &mask, sizeof key, |
8142 | ovs_key_icmp_offsetof_sizeof_arr, odp_actions)) { | |
f6ecf944 | 8143 | put_icmp_key(&base, base_flow); |
e8bf7774 | 8144 | or_masks(&mask, &orig_mask, ovs_key_icmp_offsetof_sizeof_arr); |
f6ecf944 JP |
8145 | put_icmp_key(&mask, &wc->masks); |
8146 | return SLOW_ACTION; | |
8147 | } | |
8148 | return 0; | |
8149 | } | |
8150 | ||
e60e935b SRCSA |
8151 | static void |
8152 | get_nd_key(const struct flow *flow, struct ovs_key_nd *nd) | |
8153 | { | |
932c96b7 | 8154 | nd->nd_target = flow->nd_target; |
e60e935b | 8155 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
8156 | nd->nd_sll = flow->arp_sha; |
8157 | nd->nd_tll = flow->arp_tha; | |
e60e935b SRCSA |
8158 | } |
8159 | ||
8160 | static void | |
8161 | put_nd_key(const struct ovs_key_nd *nd, struct flow *flow) | |
8162 | { | |
932c96b7 | 8163 | flow->nd_target = nd->nd_target; |
e60e935b | 8164 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
8165 | flow->arp_sha = nd->nd_sll; |
8166 | flow->arp_tha = nd->nd_tll; | |
e60e935b SRCSA |
8167 | } |
8168 | ||
9b2b8497 VDA |
8169 | static void |
8170 | get_nd_extensions_key(const struct flow *flow, | |
8171 | struct ovs_key_nd_extensions *nd_ext) | |
8172 | { | |
8173 | /* ND Extensions key has padding, clear it. */ | |
8174 | memset(nd_ext, 0, sizeof *nd_ext); | |
8175 | nd_ext->nd_reserved = flow->igmp_group_ip4; | |
8176 | nd_ext->nd_options_type = ntohs(flow->tcp_flags); | |
8177 | } | |
8178 | ||
8179 | static void | |
8180 | put_nd_extensions_key(const struct ovs_key_nd_extensions *nd_ext, | |
8181 | struct flow *flow) | |
8182 | { | |
8183 | flow->igmp_group_ip4 = nd_ext->nd_reserved; | |
8184 | flow->tcp_flags = htons(nd_ext->nd_options_type); | |
8185 | } | |
8186 | ||
e60e935b SRCSA |
8187 | static enum slow_path_reason |
8188 | commit_set_nd_action(const struct flow *flow, struct flow *base_flow, | |
8189 | struct ofpbuf *odp_actions, | |
8190 | struct flow_wildcards *wc, bool use_masked) | |
8191 | { | |
e8bf7774 | 8192 | struct ovs_key_nd key, mask, orig_mask, base; |
dbf4a928 EB |
8193 | struct offsetof_sizeof ovs_key_nd_offsetof_sizeof_arr[] = |
8194 | OVS_KEY_ND_OFFSETOF_SIZEOF_ARR; | |
e60e935b SRCSA |
8195 | |
8196 | get_nd_key(flow, &key); | |
8197 | get_nd_key(base_flow, &base); | |
8198 | get_nd_key(&wc->masks, &mask); | |
e8bf7774 | 8199 | memcpy(&orig_mask, &mask, sizeof mask); |
e60e935b SRCSA |
8200 | |
8201 | if (commit(OVS_KEY_ATTR_ND, use_masked, &key, &base, &mask, sizeof key, | |
dbf4a928 | 8202 | ovs_key_nd_offsetof_sizeof_arr, odp_actions)) { |
e60e935b | 8203 | put_nd_key(&base, base_flow); |
e8bf7774 | 8204 | or_masks(&mask, &orig_mask, ovs_key_nd_offsetof_sizeof_arr); |
e60e935b SRCSA |
8205 | put_nd_key(&mask, &wc->masks); |
8206 | return SLOW_ACTION; | |
8207 | } | |
8208 | ||
8209 | return 0; | |
8210 | } | |
8211 | ||
9b2b8497 VDA |
8212 | static enum slow_path_reason |
8213 | commit_set_nd_extensions_action(const struct flow *flow, | |
8214 | struct flow *base_flow, | |
8215 | struct ofpbuf *odp_actions, | |
8216 | struct flow_wildcards *wc, bool use_masked) | |
8217 | { | |
e8bf7774 | 8218 | struct ovs_key_nd_extensions key, mask, orig_mask, base; |
dbf4a928 EB |
8219 | struct offsetof_sizeof ovs_key_nd_extensions_offsetof_sizeof_arr[] = |
8220 | OVS_KEY_ND_EXTENSIONS_OFFSETOF_SIZEOF_ARR; | |
9b2b8497 VDA |
8221 | |
8222 | get_nd_extensions_key(flow, &key); | |
8223 | get_nd_extensions_key(base_flow, &base); | |
8224 | get_nd_extensions_key(&wc->masks, &mask); | |
e8bf7774 | 8225 | memcpy(&orig_mask, &mask, sizeof mask); |
9b2b8497 | 8226 | |
dbf4a928 EB |
8227 | if (commit(OVS_KEY_ATTR_ND_EXTENSIONS, use_masked, &key, &base, &mask, |
8228 | sizeof key, ovs_key_nd_extensions_offsetof_sizeof_arr, | |
8229 | odp_actions)) { | |
9b2b8497 | 8230 | put_nd_extensions_key(&base, base_flow); |
e8bf7774 | 8231 | or_masks(&mask, &orig_mask, ovs_key_nd_extensions_offsetof_sizeof_arr); |
9b2b8497 VDA |
8232 | put_nd_extensions_key(&mask, &wc->masks); |
8233 | return SLOW_ACTION; | |
8234 | } | |
8235 | return 0; | |
8236 | } | |
8237 | ||
f6c8a6b1 | 8238 | static enum slow_path_reason |
c4f2731d | 8239 | commit_set_nw_action(const struct flow *flow, struct flow *base, |
d23df9a8 JR |
8240 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
8241 | bool use_masked) | |
c4f2731d | 8242 | { |
9b2b8497 VDA |
8243 | uint32_t reason; |
8244 | ||
f6c8a6b1 | 8245 | /* Check if 'flow' really has an L3 header. */ |
c4f2731d | 8246 | if (!flow->nw_proto) { |
f6c8a6b1 | 8247 | return 0; |
c4f2731d PS |
8248 | } |
8249 | ||
f6c8a6b1 BP |
8250 | switch (ntohs(base->dl_type)) { |
8251 | case ETH_TYPE_IP: | |
d23df9a8 | 8252 | commit_set_ipv4_action(flow, base, odp_actions, wc, use_masked); |
f6c8a6b1 BP |
8253 | break; |
8254 | ||
8255 | case ETH_TYPE_IPV6: | |
d23df9a8 | 8256 | commit_set_ipv6_action(flow, base, odp_actions, wc, use_masked); |
9b2b8497 VDA |
8257 | if (base->nw_proto == IPPROTO_ICMPV6) { |
8258 | /* Commit extended attrs first to make sure | |
8259 | correct options are added.*/ | |
8260 | reason = commit_set_nd_extensions_action(flow, base, | |
8261 | odp_actions, wc, use_masked); | |
8262 | reason |= commit_set_nd_action(flow, base, odp_actions, | |
8263 | wc, use_masked); | |
8264 | return reason; | |
8265 | } | |
8266 | break; | |
f6c8a6b1 BP |
8267 | |
8268 | case ETH_TYPE_ARP: | |
8269 | return commit_set_arp_action(flow, base, odp_actions, wc); | |
c4f2731d | 8270 | } |
f6c8a6b1 BP |
8271 | |
8272 | return 0; | |
c4f2731d PS |
8273 | } |
8274 | ||
17553f27 | 8275 | static inline void |
3d2fbd70 JS |
8276 | get_nsh_key(const struct flow *flow, struct ovs_key_nsh *nsh, bool is_mask) |
8277 | { | |
17553f27 YY |
8278 | *nsh = flow->nsh; |
8279 | if (!is_mask) { | |
8280 | if (nsh->mdtype != NSH_M_TYPE1) { | |
8281 | memset(nsh->context, 0, sizeof(nsh->context)); | |
3d2fbd70 JS |
8282 | } |
8283 | } | |
8284 | } | |
8285 | ||
17553f27 | 8286 | static inline void |
3d2fbd70 JS |
8287 | put_nsh_key(const struct ovs_key_nsh *nsh, struct flow *flow, |
8288 | bool is_mask OVS_UNUSED) | |
8289 | { | |
17553f27 YY |
8290 | flow->nsh = *nsh; |
8291 | if (flow->nsh.mdtype != NSH_M_TYPE1) { | |
8292 | memset(flow->nsh.context, 0, sizeof(flow->nsh.context)); | |
3d2fbd70 JS |
8293 | } |
8294 | } | |
8295 | ||
f59cb331 | 8296 | static bool |
17553f27 | 8297 | commit_nsh(const struct ovs_key_nsh * flow_nsh, bool use_masked_set, |
f59cb331 YY |
8298 | const struct ovs_key_nsh *key, struct ovs_key_nsh *base, |
8299 | struct ovs_key_nsh *mask, size_t size, | |
8300 | struct ofpbuf *odp_actions) | |
8301 | { | |
8302 | enum ovs_key_attr attr = OVS_KEY_ATTR_NSH; | |
8303 | ||
8304 | if (memcmp(key, base, size) == 0) { | |
8305 | /* Mask bits are set when we have either read or set the corresponding | |
8306 | * values. Masked bits will be exact-matched, no need to set them | |
8307 | * if the value did not actually change. */ | |
8308 | return false; | |
8309 | } | |
8310 | ||
8311 | bool fully_masked = odp_mask_is_exact(attr, mask, size); | |
8312 | ||
8313 | if (use_masked_set && !fully_masked) { | |
8314 | size_t nsh_key_ofs; | |
8315 | struct ovs_nsh_key_base nsh_base; | |
8316 | struct ovs_nsh_key_base nsh_base_mask; | |
8317 | struct ovs_nsh_key_md1 md1; | |
8318 | struct ovs_nsh_key_md1 md1_mask; | |
8319 | size_t offset = nl_msg_start_nested(odp_actions, | |
8320 | OVS_ACTION_ATTR_SET_MASKED); | |
8321 | ||
8322 | nsh_base.flags = key->flags; | |
17553f27 | 8323 | nsh_base.ttl = key->ttl; |
f59cb331 YY |
8324 | nsh_base.mdtype = key->mdtype; |
8325 | nsh_base.np = key->np; | |
8326 | nsh_base.path_hdr = key->path_hdr; | |
8327 | ||
8328 | nsh_base_mask.flags = mask->flags; | |
17553f27 | 8329 | nsh_base_mask.ttl = mask->ttl; |
f59cb331 YY |
8330 | nsh_base_mask.mdtype = mask->mdtype; |
8331 | nsh_base_mask.np = mask->np; | |
8332 | nsh_base_mask.path_hdr = mask->path_hdr; | |
8333 | ||
8334 | /* OVS_KEY_ATTR_NSH keys */ | |
8335 | nsh_key_ofs = nl_msg_start_nested(odp_actions, OVS_KEY_ATTR_NSH); | |
8336 | ||
81fdabb9 | 8337 | /* put value and mask for OVS_NSH_KEY_ATTR_BASE */ |
f59cb331 YY |
8338 | char *data = nl_msg_put_unspec_uninit(odp_actions, |
8339 | OVS_NSH_KEY_ATTR_BASE, | |
81fdabb9 | 8340 | 2 * sizeof(nsh_base)); |
f59cb331 YY |
8341 | const char *lkey = (char *)&nsh_base, *lmask = (char *)&nsh_base_mask; |
8342 | size_t lkey_size = sizeof(nsh_base); | |
8343 | ||
8344 | while (lkey_size--) { | |
8345 | *data++ = *lkey++ & *lmask++; | |
8346 | } | |
81fdabb9 YY |
8347 | lmask = (char *)&nsh_base_mask; |
8348 | memcpy(data, lmask, sizeof(nsh_base_mask)); | |
f59cb331 YY |
8349 | |
8350 | switch (key->mdtype) { | |
8351 | case NSH_M_TYPE1: | |
8352 | memcpy(md1.context, key->context, sizeof key->context); | |
8353 | memcpy(md1_mask.context, mask->context, sizeof mask->context); | |
8354 | ||
81fdabb9 | 8355 | /* put value and mask for OVS_NSH_KEY_ATTR_MD1 */ |
f59cb331 YY |
8356 | data = nl_msg_put_unspec_uninit(odp_actions, |
8357 | OVS_NSH_KEY_ATTR_MD1, | |
81fdabb9 | 8358 | 2 * sizeof(md1)); |
f59cb331 YY |
8359 | lkey = (char *)&md1; |
8360 | lmask = (char *)&md1_mask; | |
8361 | lkey_size = sizeof(md1); | |
8362 | ||
8363 | while (lkey_size--) { | |
8364 | *data++ = *lkey++ & *lmask++; | |
8365 | } | |
f59cb331 YY |
8366 | lmask = (char *)&md1_mask; |
8367 | memcpy(data, lmask, sizeof(md1_mask)); | |
8368 | break; | |
8369 | case NSH_M_TYPE2: | |
8370 | default: | |
8371 | /* No match support for other MD formats yet. */ | |
8372 | break; | |
8373 | } | |
81fdabb9 | 8374 | |
f59cb331 YY |
8375 | nl_msg_end_nested(odp_actions, nsh_key_ofs); |
8376 | ||
8377 | nl_msg_end_nested(odp_actions, offset); | |
8378 | } else { | |
8379 | if (!fully_masked) { | |
8380 | memset(mask, 0xff, size); | |
8381 | } | |
8382 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
8383 | nsh_key_to_attr(odp_actions, flow_nsh, NULL, 0, false); | |
8384 | nl_msg_end_nested(odp_actions, offset); | |
8385 | } | |
8386 | memcpy(base, key, size); | |
8387 | return true; | |
8388 | } | |
8389 | ||
3d2fbd70 JS |
8390 | static void |
8391 | commit_set_nsh_action(const struct flow *flow, struct flow *base_flow, | |
8392 | struct ofpbuf *odp_actions, | |
8393 | struct flow_wildcards *wc, | |
8394 | bool use_masked) | |
8395 | { | |
8396 | struct ovs_key_nsh key, mask, base; | |
8397 | ||
8398 | if (flow->dl_type != htons(ETH_TYPE_NSH) || | |
8399 | !memcmp(&base_flow->nsh, &flow->nsh, sizeof base_flow->nsh)) { | |
8400 | return; | |
8401 | } | |
8402 | ||
8403 | /* Check that mdtype and np remain unchanged. */ | |
8404 | ovs_assert(flow->nsh.mdtype == base_flow->nsh.mdtype && | |
8405 | flow->nsh.np == base_flow->nsh.np); | |
8406 | ||
8407 | get_nsh_key(flow, &key, false); | |
8408 | get_nsh_key(base_flow, &base, false); | |
8409 | get_nsh_key(&wc->masks, &mask, true); | |
8410 | mask.mdtype = 0; /* Not writable. */ | |
8411 | mask.np = 0; /* Not writable. */ | |
8412 | ||
f59cb331 YY |
8413 | if (commit_nsh(&base_flow->nsh, use_masked, &key, &base, &mask, |
8414 | sizeof key, odp_actions)) { | |
3d2fbd70 JS |
8415 | put_nsh_key(&base, base_flow, false); |
8416 | if (mask.mdtype != 0) { /* Mask was changed by commit(). */ | |
8417 | put_nsh_key(&mask, &wc->masks, true); | |
8418 | } | |
8419 | } | |
8420 | } | |
8421 | ||
d23df9a8 JR |
8422 | /* TCP, UDP, and SCTP keys have the same layout. */ |
8423 | BUILD_ASSERT_DECL(sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_udp) && | |
8424 | sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_sctp)); | |
8425 | ||
5bbda0aa | 8426 | static void |
3cea18ec | 8427 | get_tp_key(const struct flow *flow, union ovs_key_tp *tp) |
5bbda0aa | 8428 | { |
3cea18ec JR |
8429 | tp->tcp.tcp_src = flow->tp_src; |
8430 | tp->tcp.tcp_dst = flow->tp_dst; | |
d23df9a8 JR |
8431 | } |
8432 | ||
8433 | static void | |
3cea18ec | 8434 | put_tp_key(const union ovs_key_tp *tp, struct flow *flow) |
d23df9a8 | 8435 | { |
3cea18ec JR |
8436 | flow->tp_src = tp->tcp.tcp_src; |
8437 | flow->tp_dst = tp->tcp.tcp_dst; | |
d23df9a8 JR |
8438 | } |
8439 | ||
8440 | static void | |
8441 | commit_set_port_action(const struct flow *flow, struct flow *base_flow, | |
8442 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
8443 | bool use_masked) | |
8444 | { | |
8445 | enum ovs_key_attr key_type; | |
e8bf7774 | 8446 | union ovs_key_tp key, mask, orig_mask, base; |
dbf4a928 EB |
8447 | struct offsetof_sizeof ovs_key_tp_offsetof_sizeof_arr[] = |
8448 | OVS_KEY_TCP_OFFSETOF_SIZEOF_ARR; | |
d23df9a8 | 8449 | |
791a09be SH |
8450 | /* Check if 'flow' really has an L3 header. */ |
8451 | if (!flow->nw_proto) { | |
8452 | return; | |
8453 | } | |
8454 | ||
d23df9a8 | 8455 | if (!is_ip_any(base_flow)) { |
5bbda0aa EJ |
8456 | return; |
8457 | } | |
8458 | ||
5bbda0aa | 8459 | if (flow->nw_proto == IPPROTO_TCP) { |
d23df9a8 | 8460 | key_type = OVS_KEY_ATTR_TCP; |
5bbda0aa | 8461 | } else if (flow->nw_proto == IPPROTO_UDP) { |
d23df9a8 | 8462 | key_type = OVS_KEY_ATTR_UDP; |
c6bcb685 | 8463 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
d23df9a8 JR |
8464 | key_type = OVS_KEY_ATTR_SCTP; |
8465 | } else { | |
8466 | return; | |
8467 | } | |
c6bcb685 | 8468 | |
d23df9a8 JR |
8469 | get_tp_key(flow, &key); |
8470 | get_tp_key(base_flow, &base); | |
8471 | get_tp_key(&wc->masks, &mask); | |
e8bf7774 | 8472 | memcpy(&orig_mask, &mask, sizeof mask); |
c6bcb685 | 8473 | |
d23df9a8 | 8474 | if (commit(key_type, use_masked, &key, &base, &mask, sizeof key, |
dbf4a928 | 8475 | ovs_key_tp_offsetof_sizeof_arr, odp_actions)) { |
d23df9a8 | 8476 | put_tp_key(&base, base_flow); |
e8bf7774 | 8477 | or_masks(&mask, &orig_mask, ovs_key_tp_offsetof_sizeof_arr); |
d23df9a8 | 8478 | put_tp_key(&mask, &wc->masks); |
5bbda0aa EJ |
8479 | } |
8480 | } | |
8481 | ||
8482 | static void | |
d23df9a8 | 8483 | commit_set_priority_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 8484 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
8485 | struct flow_wildcards *wc, |
8486 | bool use_masked) | |
5bbda0aa | 8487 | { |
d23df9a8 | 8488 | uint32_t key, mask, base; |
dbf4a928 EB |
8489 | struct offsetof_sizeof ovs_key_prio_offsetof_sizeof_arr[] = { |
8490 | {0, sizeof(uint32_t)}, | |
8491 | {0, 0} | |
8492 | }; | |
1dd35f8a | 8493 | |
d23df9a8 JR |
8494 | key = flow->skb_priority; |
8495 | base = base_flow->skb_priority; | |
8496 | mask = wc->masks.skb_priority; | |
5bbda0aa | 8497 | |
d23df9a8 | 8498 | if (commit(OVS_KEY_ATTR_PRIORITY, use_masked, &key, &base, &mask, |
dbf4a928 | 8499 | sizeof key, ovs_key_prio_offsetof_sizeof_arr, odp_actions)) { |
d23df9a8 | 8500 | base_flow->skb_priority = base; |
e8bf7774 | 8501 | wc->masks.skb_priority |= mask; |
d23df9a8 | 8502 | } |
5bbda0aa EJ |
8503 | } |
8504 | ||
72e8bf28 | 8505 | static void |
d23df9a8 | 8506 | commit_set_pkt_mark_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 8507 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
8508 | struct flow_wildcards *wc, |
8509 | bool use_masked) | |
72e8bf28 | 8510 | { |
d23df9a8 | 8511 | uint32_t key, mask, base; |
dbf4a928 EB |
8512 | struct offsetof_sizeof ovs_key_pkt_mark_offsetof_sizeof_arr[] = { |
8513 | {0, sizeof(uint32_t)}, | |
8514 | {0, 0} | |
8515 | }; | |
1dd35f8a | 8516 | |
d23df9a8 JR |
8517 | key = flow->pkt_mark; |
8518 | base = base_flow->pkt_mark; | |
8519 | mask = wc->masks.pkt_mark; | |
72e8bf28 | 8520 | |
d23df9a8 | 8521 | if (commit(OVS_KEY_ATTR_SKB_MARK, use_masked, &key, &base, &mask, |
dbf4a928 EB |
8522 | sizeof key, ovs_key_pkt_mark_offsetof_sizeof_arr, |
8523 | odp_actions)) { | |
d23df9a8 | 8524 | base_flow->pkt_mark = base; |
e8bf7774 | 8525 | wc->masks.pkt_mark |= mask; |
d23df9a8 | 8526 | } |
72e8bf28 | 8527 | } |
7fd91025 | 8528 | |
1fc11c59 | 8529 | static void |
f59cb331 | 8530 | odp_put_pop_nsh_action(struct ofpbuf *odp_actions) |
1fc11c59 | 8531 | { |
f59cb331 | 8532 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_NSH); |
1fc11c59 JS |
8533 | } |
8534 | ||
8535 | static void | |
f59cb331 | 8536 | odp_put_push_nsh_action(struct ofpbuf *odp_actions, |
1fc11c59 JS |
8537 | const struct flow *flow, |
8538 | struct ofpbuf *encap_data) | |
8539 | { | |
f59cb331 YY |
8540 | uint8_t * metadata = NULL; |
8541 | uint8_t md_size = 0; | |
1fc11c59 | 8542 | |
f59cb331 | 8543 | switch (flow->nsh.mdtype) { |
1fc11c59 JS |
8544 | case NSH_M_TYPE2: |
8545 | if (encap_data) { | |
f59cb331 YY |
8546 | ovs_assert(encap_data->size < NSH_CTX_HDRS_MAX_LEN); |
8547 | metadata = encap_data->data; | |
8548 | md_size = encap_data->size; | |
1fc11c59 | 8549 | } else { |
f59cb331 | 8550 | md_size = 0; |
1fc11c59 JS |
8551 | } |
8552 | break; | |
8553 | default: | |
f59cb331 | 8554 | md_size = 0; |
1fc11c59 JS |
8555 | break; |
8556 | } | |
f59cb331 YY |
8557 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_PUSH_NSH); |
8558 | nsh_key_to_attr(odp_actions, &flow->nsh, metadata, md_size, false); | |
8559 | nl_msg_end_nested(odp_actions, offset); | |
1fc11c59 JS |
8560 | } |
8561 | ||
f839892a | 8562 | static void |
88ec1e0a | 8563 | commit_encap_decap_action(const struct flow *flow, |
f839892a JS |
8564 | struct flow *base_flow, |
8565 | struct ofpbuf *odp_actions, | |
8566 | struct flow_wildcards *wc, | |
88ec1e0a | 8567 | bool pending_encap, bool pending_decap, |
1fc11c59 | 8568 | struct ofpbuf *encap_data) |
f839892a | 8569 | { |
f839892a JS |
8570 | if (pending_encap) { |
8571 | switch (ntohl(flow->packet_type)) { | |
8572 | case PT_ETH: { | |
8573 | /* push_eth */ | |
8574 | odp_put_push_eth_action(odp_actions, &flow->dl_src, | |
8575 | &flow->dl_dst); | |
8576 | base_flow->packet_type = flow->packet_type; | |
8577 | base_flow->dl_src = flow->dl_src; | |
8578 | base_flow->dl_dst = flow->dl_dst; | |
8579 | break; | |
8580 | } | |
1fc11c59 | 8581 | case PT_NSH: |
f59cb331 YY |
8582 | /* push_nsh */ |
8583 | odp_put_push_nsh_action(odp_actions, flow, encap_data); | |
1fc11c59 JS |
8584 | base_flow->packet_type = flow->packet_type; |
8585 | /* Update all packet headers in base_flow. */ | |
8586 | memcpy(&base_flow->dl_dst, &flow->dl_dst, | |
8587 | sizeof(*flow) - offsetof(struct flow, dl_dst)); | |
8588 | break; | |
f839892a | 8589 | default: |
1fc11c59 JS |
8590 | /* Only the above protocols are supported for encap. |
8591 | * The check is done at action translation. */ | |
f839892a JS |
8592 | OVS_NOT_REACHED(); |
8593 | } | |
88ec1e0a | 8594 | } else if (pending_decap || flow->packet_type != base_flow->packet_type) { |
1fc11c59 | 8595 | /* This is an explicit or implicit decap case. */ |
f839892a JS |
8596 | if (pt_ns(flow->packet_type) == OFPHTN_ETHERTYPE && |
8597 | base_flow->packet_type == htonl(PT_ETH)) { | |
1fc11c59 | 8598 | /* Generate pop_eth and continue without recirculation. */ |
f839892a JS |
8599 | odp_put_pop_eth_action(odp_actions); |
8600 | base_flow->packet_type = flow->packet_type; | |
8601 | base_flow->dl_src = eth_addr_zero; | |
8602 | base_flow->dl_dst = eth_addr_zero; | |
8603 | } else { | |
1fc11c59 JS |
8604 | /* All other decap cases require recirculation. |
8605 | * No need to update the base flow here. */ | |
8606 | switch (ntohl(base_flow->packet_type)) { | |
8607 | case PT_NSH: | |
f59cb331 YY |
8608 | /* pop_nsh. */ |
8609 | odp_put_pop_nsh_action(odp_actions); | |
1fc11c59 JS |
8610 | break; |
8611 | default: | |
8612 | /* Checks are done during translation. */ | |
8613 | OVS_NOT_REACHED(); | |
8614 | } | |
f839892a JS |
8615 | } |
8616 | } | |
8617 | ||
8618 | wc->masks.packet_type = OVS_BE32_MAX; | |
8619 | } | |
8620 | ||
5bbda0aa EJ |
8621 | /* If any of the flow key data that ODP actions can modify are different in |
8622 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
8623 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
8624 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a | 8625 | * in addition to this function if needed. Sets fields in 'wc' that are |
7fd91025 BP |
8626 | * used as part of the action. |
8627 | * | |
005bb872 BP |
8628 | * In the common case, this function returns 0. If the flow key modification |
8629 | * requires the flow's packets to be forced into the userspace slow path, this | |
8630 | * function returns SLOW_ACTION. This only happens when there is no ODP action | |
8631 | * to modify some field that was actually modified. For example, there is no | |
8632 | * ODP action to modify any ARP field, so such a modification triggers | |
8633 | * SLOW_ACTION. (When this happens, packets that need such modification get | |
8634 | * flushed to userspace and handled there, which works OK but much more slowly | |
8635 | * than if the datapath handled it directly.) */ | |
7fd91025 | 8636 | enum slow_path_reason |
5bbda0aa | 8637 | commit_odp_actions(const struct flow *flow, struct flow *base, |
d23df9a8 | 8638 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
88ec1e0a | 8639 | bool use_masked, bool pending_encap, bool pending_decap, |
1fc11c59 | 8640 | struct ofpbuf *encap_data) |
5bbda0aa | 8641 | { |
005bb872 BP |
8642 | /* If you add a field that OpenFlow actions can change, and that is visible |
8643 | * to the datapath (including all data fields), then you should also add | |
8644 | * code here to commit changes to the field. */ | |
3c6d05a0 | 8645 | BUILD_ASSERT_DECL(FLOW_WC_SEQ == 42); |
005bb872 | 8646 | |
f6ecf944 | 8647 | enum slow_path_reason slow1, slow2; |
742c0ac3 | 8648 | bool mpls_done = false; |
f6c8a6b1 | 8649 | |
88ec1e0a JS |
8650 | commit_encap_decap_action(flow, base, odp_actions, wc, |
8651 | pending_encap, pending_decap, encap_data); | |
f839892a | 8652 | commit_set_ether_action(flow, base, odp_actions, wc, use_masked); |
742c0ac3 JR |
8653 | /* Make packet a non-MPLS packet before committing L3/4 actions, |
8654 | * which would otherwise do nothing. */ | |
8655 | if (eth_type_mpls(base->dl_type) && !eth_type_mpls(flow->dl_type)) { | |
8656 | commit_mpls_action(flow, base, odp_actions); | |
8657 | mpls_done = true; | |
8658 | } | |
3d2fbd70 | 8659 | commit_set_nsh_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 8660 | slow1 = commit_set_nw_action(flow, base, odp_actions, wc, use_masked); |
d23df9a8 | 8661 | commit_set_port_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 8662 | slow2 = commit_set_icmp_action(flow, base, odp_actions, wc); |
742c0ac3 JR |
8663 | if (!mpls_done) { |
8664 | commit_mpls_action(flow, base, odp_actions); | |
8665 | } | |
f0fb825a | 8666 | commit_vlan_action(flow, base, odp_actions, wc); |
d23df9a8 JR |
8667 | commit_set_priority_action(flow, base, odp_actions, wc, use_masked); |
8668 | commit_set_pkt_mark_action(flow, base, odp_actions, wc, use_masked); | |
7fd91025 | 8669 | |
f6ecf944 | 8670 | return slow1 ? slow1 : slow2; |
5bbda0aa | 8671 | } |