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Commit | Line | Data |
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064af421 | 1 | /* |
fd13c6b5 | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 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" |
34118cae BP |
46 | |
47 | VLOG_DEFINE_THIS_MODULE(odp_util); | |
064af421 | 48 | |
df2c07f4 JP |
49 | /* The interface between userspace and kernel uses an "OVS_*" prefix. |
50 | * Since this is fairly non-specific for the OVS userspace components, | |
51 | * "ODP_*" (Open vSwitch Datapath) is used as the prefix for | |
52 | * interactions with the datapath. | |
53 | */ | |
54 | ||
7202cbe5 BP |
55 | /* The set of characters that may separate one action or one key attribute |
56 | * from another. */ | |
57 | static const char *delimiters = ", \t\r\n"; | |
d787ad39 | 58 | static const char *delimiters_end = ", \t\r\n)"; |
7202cbe5 | 59 | |
ac20d3fe YS |
60 | #define MAX_ODP_NESTED 32 |
61 | ||
62 | struct parse_odp_context { | |
63 | const struct simap *port_names; | |
64 | int depth; /* Current nested depth of odp string. */ | |
65 | }; | |
66 | ||
67 | static int parse_odp_key_mask_attr(struct parse_odp_context *, const char *, | |
68 | struct ofpbuf *, struct ofpbuf *); | |
e6cc0bab | 69 | static void format_odp_key_attr(const struct nlattr *a, |
0a37839c GS |
70 | const struct nlattr *ma, |
71 | const struct hmap *portno_names, struct ds *ds, | |
041e7168 | 72 | bool verbose); |
a052b51b | 73 | |
5bb08b0e JG |
74 | struct geneve_scan { |
75 | struct geneve_opt d[63]; | |
76 | int len; | |
77 | }; | |
78 | ||
79 | static int scan_geneve(const char *s, struct geneve_scan *key, | |
80 | struct geneve_scan *mask); | |
81 | static void format_geneve_opts(const struct geneve_opt *opt, | |
82 | const struct geneve_opt *mask, int opts_len, | |
83 | struct ds *, bool verbose); | |
84 | ||
65da723b JG |
85 | static struct nlattr *generate_all_wildcard_mask(const struct attr_len_tbl tbl[], |
86 | int max, struct ofpbuf *, | |
87 | const struct nlattr *key); | |
89cf41ec BP |
88 | static void format_u128(struct ds *d, const ovs_32aligned_u128 *key, |
89 | const ovs_32aligned_u128 *mask, bool verbose); | |
9daf2348 JS |
90 | static int scan_u128(const char *s, ovs_u128 *value, ovs_u128 *mask); |
91 | ||
c37f7135 AZ |
92 | static int parse_odp_action(const char *s, const struct simap *port_names, |
93 | struct ofpbuf *actions); | |
94 | ||
98403001 BP |
95 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
96 | * 'type': | |
97 | * | |
98 | * - For an action whose argument has a fixed length, returned that | |
99 | * nonnegative length in bytes. | |
100 | * | |
6b8da9e9 | 101 | * - For an action with a variable-length argument, returns ATTR_LEN_VARIABLE. |
98403001 | 102 | * |
6b8da9e9 | 103 | * - For an invalid 'type', returns ATTR_LEN_INVALID. */ |
4edb9ae9 | 104 | static int |
cdee00fd BP |
105 | odp_action_len(uint16_t type) |
106 | { | |
df2c07f4 | 107 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
108 | return -1; |
109 | } | |
110 | ||
09ded0ad | 111 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 112 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
aaca4fe0 | 113 | case OVS_ACTION_ATTR_TRUNC: return sizeof(struct ovs_action_trunc); |
6b8da9e9 | 114 | case OVS_ACTION_ATTR_TUNNEL_PUSH: return ATTR_LEN_VARIABLE; |
a36de779 | 115 | case OVS_ACTION_ATTR_TUNNEL_POP: return sizeof(uint32_t); |
5dddf960 | 116 | case OVS_ACTION_ATTR_METER: return sizeof(uint32_t); |
6b8da9e9 | 117 | case OVS_ACTION_ATTR_USERSPACE: return ATTR_LEN_VARIABLE; |
fea393b1 BP |
118 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
119 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
120 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
121 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
347bf289 AZ |
122 | case OVS_ACTION_ATTR_RECIRC: return sizeof(uint32_t); |
123 | case OVS_ACTION_ATTR_HASH: return sizeof(struct ovs_action_hash); | |
6b8da9e9 JG |
124 | case OVS_ACTION_ATTR_SET: return ATTR_LEN_VARIABLE; |
125 | case OVS_ACTION_ATTR_SET_MASKED: return ATTR_LEN_VARIABLE; | |
126 | case OVS_ACTION_ATTR_SAMPLE: return ATTR_LEN_VARIABLE; | |
07659514 | 127 | case OVS_ACTION_ATTR_CT: return ATTR_LEN_VARIABLE; |
1fe178d2 | 128 | case OVS_ACTION_ATTR_CT_CLEAR: return 0; |
6fcecb85 YY |
129 | case OVS_ACTION_ATTR_PUSH_ETH: return sizeof(struct ovs_action_push_eth); |
130 | case OVS_ACTION_ATTR_POP_ETH: return 0; | |
535e3acf | 131 | case OVS_ACTION_ATTR_CLONE: return ATTR_LEN_VARIABLE; |
f59cb331 YY |
132 | case OVS_ACTION_ATTR_PUSH_NSH: return ATTR_LEN_VARIABLE; |
133 | case OVS_ACTION_ATTR_POP_NSH: return 0; | |
df2c07f4 JP |
134 | |
135 | case OVS_ACTION_ATTR_UNSPEC: | |
136 | case __OVS_ACTION_ATTR_MAX: | |
6b8da9e9 | 137 | return ATTR_LEN_INVALID; |
cdee00fd BP |
138 | } |
139 | ||
6b8da9e9 | 140 | return ATTR_LEN_INVALID; |
cdee00fd BP |
141 | } |
142 | ||
e6603631 BP |
143 | /* Returns a string form of 'attr'. The return value is either a statically |
144 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
145 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
146 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 147 | static const char * |
e6603631 | 148 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 149 | { |
744791b5 BP |
150 | switch (attr) { |
151 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 152 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 153 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 154 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
07659514 JS |
155 | case OVS_KEY_ATTR_CT_STATE: return "ct_state"; |
156 | case OVS_KEY_ATTR_CT_ZONE: return "ct_zone"; | |
8e53fe8c | 157 | case OVS_KEY_ATTR_CT_MARK: return "ct_mark"; |
9daf2348 | 158 | case OVS_KEY_ATTR_CT_LABELS: return "ct_label"; |
c30b4cea JR |
159 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: return "ct_tuple4"; |
160 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: return "ct_tuple6"; | |
9b405f1a | 161 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
162 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
163 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 164 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
165 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
166 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
167 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
168 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
dc235f7f | 169 | case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags"; |
744791b5 | 170 | case OVS_KEY_ATTR_UDP: return "udp"; |
c6bcb685 | 171 | case OVS_KEY_ATTR_SCTP: return "sctp"; |
744791b5 BP |
172 | case OVS_KEY_ATTR_ICMP: return "icmp"; |
173 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
174 | case OVS_KEY_ATTR_ARP: return "arp"; | |
175 | case OVS_KEY_ATTR_ND: return "nd"; | |
9b2b8497 | 176 | case OVS_KEY_ATTR_ND_EXTENSIONS: return "nd_ext"; |
b02475c5 | 177 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
572f732a AZ |
178 | case OVS_KEY_ATTR_DP_HASH: return "dp_hash"; |
179 | case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id"; | |
beb75a40 | 180 | case OVS_KEY_ATTR_PACKET_TYPE: return "packet_type"; |
3d2fbd70 | 181 | case OVS_KEY_ATTR_NSH: return "nsh"; |
744791b5 BP |
182 | |
183 | case __OVS_KEY_ATTR_MAX: | |
184 | default: | |
e6603631 BP |
185 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
186 | return namebuf; | |
744791b5 BP |
187 | } |
188 | } | |
189 | ||
cdee00fd BP |
190 | static void |
191 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
192 | { | |
8ba43fbd BP |
193 | size_t len = nl_attr_get_size(a); |
194 | ||
fd13c6b5 | 195 | ds_put_format(ds, "action%d", nl_attr_type(a)); |
8ba43fbd | 196 | if (len) { |
cdee00fd BP |
197 | const uint8_t *unspec; |
198 | unsigned int i; | |
199 | ||
200 | unspec = nl_attr_get(a); | |
8ba43fbd | 201 | for (i = 0; i < len; i++) { |
cdee00fd BP |
202 | ds_put_char(ds, i ? ' ': '('); |
203 | ds_put_format(ds, "%02x", unspec[i]); | |
204 | } | |
205 | ds_put_char(ds, ')'); | |
206 | } | |
207 | } | |
208 | ||
6ff686f2 | 209 | static void |
0722f341 BP |
210 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr, |
211 | const struct hmap *portno_names) | |
6ff686f2 PS |
212 | { |
213 | static const struct nl_policy ovs_sample_policy[] = { | |
3548d242 BP |
214 | [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 }, |
215 | [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED } | |
6ff686f2 PS |
216 | }; |
217 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
218 | double percentage; |
219 | const struct nlattr *nla_acts; | |
220 | int len; | |
221 | ||
222 | ds_put_cstr(ds, "sample"); | |
223 | ||
5621afff | 224 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
225 | ds_put_cstr(ds, "(error)"); |
226 | return; | |
227 | } | |
228 | ||
229 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
230 | UINT32_MAX; | |
231 | ||
232 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
233 | ||
234 | ds_put_cstr(ds, "actions("); | |
235 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
236 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
0722f341 | 237 | format_odp_actions(ds, nla_acts, len, portno_names); |
6ff686f2 PS |
238 | ds_put_format(ds, "))"); |
239 | } | |
240 | ||
535e3acf | 241 | static void |
0722f341 BP |
242 | format_odp_clone_action(struct ds *ds, const struct nlattr *attr, |
243 | const struct hmap *portno_names) | |
535e3acf AZ |
244 | { |
245 | const struct nlattr *nla_acts = nl_attr_get(attr); | |
246 | int len = nl_attr_get_size(attr); | |
247 | ||
248 | ds_put_cstr(ds, "clone"); | |
249 | ds_put_format(ds, "("); | |
0722f341 | 250 | format_odp_actions(ds, nla_acts, len, portno_names); |
535e3acf AZ |
251 | ds_put_format(ds, ")"); |
252 | } | |
253 | ||
3d2fbd70 JS |
254 | static void |
255 | format_nsh_key(struct ds *ds, const struct ovs_key_nsh *key) | |
256 | { | |
257 | ds_put_format(ds, "flags=%d", key->flags); | |
17553f27 | 258 | ds_put_format(ds, "ttl=%d", key->ttl); |
3d2fbd70 JS |
259 | ds_put_format(ds, ",mdtype=%d", key->mdtype); |
260 | ds_put_format(ds, ",np=%d", key->np); | |
261 | ds_put_format(ds, ",spi=0x%x", | |
17553f27 | 262 | nsh_path_hdr_to_spi_uint32(key->path_hdr)); |
3d2fbd70 | 263 | ds_put_format(ds, ",si=%d", |
17553f27 | 264 | nsh_path_hdr_to_si(key->path_hdr)); |
3d2fbd70 JS |
265 | |
266 | switch (key->mdtype) { | |
267 | case NSH_M_TYPE1: | |
268 | for (int i = 0; i < 4; i++) { | |
f59cb331 | 269 | ds_put_format(ds, ",c%d=0x%x", i + 1, ntohl(key->context[i])); |
3d2fbd70 JS |
270 | } |
271 | break; | |
272 | case NSH_M_TYPE2: | |
3d2fbd70 | 273 | default: |
1fc11c59 JS |
274 | /* No support for matching other metadata formats yet. */ |
275 | break; | |
3d2fbd70 JS |
276 | } |
277 | } | |
278 | ||
279 | static void | |
280 | format_uint8_masked(struct ds *s, bool *first, const char *name, | |
281 | uint8_t value, uint8_t mask) | |
282 | { | |
283 | if (mask != 0) { | |
284 | if (!*first) { | |
285 | ds_put_char(s, ','); | |
286 | } | |
287 | ds_put_format(s, "%s=", name); | |
288 | if (mask == UINT8_MAX) { | |
289 | ds_put_format(s, "%"PRIu8, value); | |
290 | } else { | |
291 | ds_put_format(s, "0x%02"PRIx8"/0x%02"PRIx8, value, mask); | |
292 | } | |
293 | *first = false; | |
294 | } | |
295 | } | |
296 | ||
297 | static void | |
298 | format_be32_masked(struct ds *s, bool *first, const char *name, | |
299 | ovs_be32 value, ovs_be32 mask) | |
300 | { | |
301 | if (mask != htonl(0)) { | |
302 | if (!*first) { | |
303 | ds_put_char(s, ','); | |
304 | } | |
305 | ds_put_format(s, "%s=", name); | |
306 | if (mask == OVS_BE32_MAX) { | |
307 | ds_put_format(s, "0x%"PRIx32, ntohl(value)); | |
308 | } else { | |
309 | ds_put_format(s, "0x%"PRIx32"/0x%08"PRIx32, | |
310 | ntohl(value), ntohl(mask)); | |
311 | } | |
312 | *first = false; | |
313 | } | |
314 | } | |
315 | ||
316 | static void | |
317 | format_nsh_key_mask(struct ds *ds, const struct ovs_key_nsh *key, | |
318 | const struct ovs_key_nsh *mask) | |
319 | { | |
320 | if (!mask) { | |
321 | format_nsh_key(ds, key); | |
322 | } else { | |
323 | bool first = true; | |
17553f27 YY |
324 | uint32_t spi = nsh_path_hdr_to_spi_uint32(key->path_hdr); |
325 | uint32_t spi_mask = nsh_path_hdr_to_spi_uint32(mask->path_hdr); | |
326 | if (spi_mask == (NSH_SPI_MASK >> NSH_SPI_SHIFT)) { | |
3d2fbd70 JS |
327 | spi_mask = UINT32_MAX; |
328 | } | |
17553f27 YY |
329 | uint8_t si = nsh_path_hdr_to_si(key->path_hdr); |
330 | uint8_t si_mask = nsh_path_hdr_to_si(mask->path_hdr); | |
3d2fbd70 JS |
331 | |
332 | format_uint8_masked(ds, &first, "flags", key->flags, mask->flags); | |
17553f27 | 333 | format_uint8_masked(ds, &first, "ttl", key->ttl, mask->ttl); |
3d2fbd70 JS |
334 | format_uint8_masked(ds, &first, "mdtype", key->mdtype, mask->mdtype); |
335 | format_uint8_masked(ds, &first, "np", key->np, mask->np); | |
336 | format_be32_masked(ds, &first, "spi", htonl(spi), htonl(spi_mask)); | |
337 | format_uint8_masked(ds, &first, "si", si, si_mask); | |
f59cb331 YY |
338 | format_be32_masked(ds, &first, "c1", key->context[0], |
339 | mask->context[0]); | |
340 | format_be32_masked(ds, &first, "c2", key->context[1], | |
341 | mask->context[1]); | |
342 | format_be32_masked(ds, &first, "c3", key->context[2], | |
343 | mask->context[2]); | |
344 | format_be32_masked(ds, &first, "c4", key->context[3], | |
345 | mask->context[3]); | |
3d2fbd70 JS |
346 | } |
347 | } | |
348 | ||
1fc11c59 | 349 | static void |
f59cb331 YY |
350 | format_odp_push_nsh_action(struct ds *ds, |
351 | const struct nsh_hdr *nsh_hdr) | |
1fc11c59 | 352 | { |
f59cb331 | 353 | size_t mdlen = nsh_hdr_len(nsh_hdr) - NSH_BASE_HDR_LEN; |
17553f27 YY |
354 | uint32_t spi = ntohl(nsh_get_spi(nsh_hdr)); |
355 | uint8_t si = nsh_get_si(nsh_hdr); | |
f59cb331 | 356 | uint8_t flags = nsh_get_flags(nsh_hdr); |
17553f27 | 357 | uint8_t ttl = nsh_get_ttl(nsh_hdr); |
1fc11c59 | 358 | |
f59cb331 YY |
359 | ds_put_cstr(ds, "push_nsh("); |
360 | ds_put_format(ds, "flags=%d", flags); | |
17553f27 | 361 | ds_put_format(ds, ",ttl=%d", ttl); |
f59cb331 YY |
362 | ds_put_format(ds, ",mdtype=%d", nsh_hdr->md_type); |
363 | ds_put_format(ds, ",np=%d", nsh_hdr->next_proto); | |
1fc11c59 JS |
364 | ds_put_format(ds, ",spi=0x%x", spi); |
365 | ds_put_format(ds, ",si=%d", si); | |
f59cb331 | 366 | switch (nsh_hdr->md_type) { |
1fc11c59 | 367 | case NSH_M_TYPE1: { |
f59cb331 | 368 | const struct nsh_md1_ctx *md1_ctx = &nsh_hdr->md1; |
1fc11c59 JS |
369 | for (int i = 0; i < 4; i++) { |
370 | ds_put_format(ds, ",c%d=0x%x", i + 1, | |
f59cb331 | 371 | ntohl(get_16aligned_be32(&md1_ctx->context[i]))); |
1fc11c59 JS |
372 | } |
373 | break; | |
374 | } | |
f59cb331 YY |
375 | case NSH_M_TYPE2: { |
376 | const struct nsh_md2_tlv *md2_ctx = &nsh_hdr->md2; | |
1fc11c59 | 377 | ds_put_cstr(ds, ",md2="); |
f59cb331 | 378 | ds_put_hex(ds, md2_ctx, mdlen); |
1fc11c59 | 379 | break; |
f59cb331 | 380 | } |
1fc11c59 JS |
381 | default: |
382 | OVS_NOT_REACHED(); | |
383 | } | |
384 | ds_put_format(ds, ")"); | |
385 | } | |
386 | ||
6a7e895f | 387 | static const char * |
04594cd5 | 388 | slow_path_reason_to_string(uint32_t reason) |
6a7e895f | 389 | { |
04594cd5 BP |
390 | switch ((enum slow_path_reason) reason) { |
391 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING; | |
392 | SLOW_PATH_REASONS | |
393 | #undef SPR | |
6a7e895f | 394 | } |
04594cd5 BP |
395 | |
396 | return NULL; | |
6a7e895f BP |
397 | } |
398 | ||
04594cd5 BP |
399 | const char * |
400 | slow_path_reason_to_explanation(enum slow_path_reason reason) | |
98f0520f | 401 | { |
04594cd5 BP |
402 | switch (reason) { |
403 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION; | |
404 | SLOW_PATH_REASONS | |
405 | #undef SPR | |
98f0520f EJ |
406 | } |
407 | ||
04594cd5 | 408 | return "<unknown>"; |
98f0520f EJ |
409 | } |
410 | ||
ec956fc7 | 411 | static int |
8e4c1621 JG |
412 | parse_odp_flags(const char *s, const char *(*bit_to_string)(uint32_t), |
413 | uint32_t *res_flags, uint32_t allowed, uint32_t *res_mask) | |
ec956fc7 | 414 | { |
8e4c1621 JG |
415 | return parse_flags(s, bit_to_string, ')', NULL, NULL, |
416 | res_flags, allowed, res_mask); | |
6a7e895f BP |
417 | } |
418 | ||
98403001 | 419 | static void |
0722f341 BP |
420 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr, |
421 | const struct hmap *portno_names) | |
98403001 BP |
422 | { |
423 | static const struct nl_policy ovs_userspace_policy[] = { | |
3548d242 BP |
424 | [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 }, |
425 | [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC, | |
426 | .optional = true }, | |
8b7ea2d4 WZ |
427 | [OVS_USERSPACE_ATTR_EGRESS_TUN_PORT] = { .type = NL_A_U32, |
428 | .optional = true }, | |
7321bda3 NM |
429 | [OVS_USERSPACE_ATTR_ACTIONS] = { .type = NL_A_UNSPEC, |
430 | .optional = true }, | |
98403001 BP |
431 | }; |
432 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 433 | const struct nlattr *userdata_attr; |
8b7ea2d4 | 434 | const struct nlattr *tunnel_out_port_attr; |
98403001 BP |
435 | |
436 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
437 | ds_put_cstr(ds, "userspace(error)"); | |
438 | return; | |
439 | } | |
440 | ||
441 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
442 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
443 | ||
e995e3df | 444 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
445 | |
446 | if (userdata_attr) { | |
447 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
448 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
449 | bool userdata_unspec = true; | |
8de6ff3e | 450 | struct user_action_cookie cookie; |
98403001 | 451 | |
8de6ff3e JP |
452 | if (userdata_len == sizeof cookie) { |
453 | memcpy(&cookie, userdata, sizeof cookie); | |
29089a54 RL |
454 | |
455 | userdata_unspec = false; | |
456 | ||
8de6ff3e | 457 | if (cookie.type == USER_ACTION_COOKIE_SFLOW) { |
29089a54 | 458 | ds_put_format(ds, ",sFlow(" |
fd13c6b5 | 459 | "vid=%"PRIu16",pcp=%d,output=%"PRIu32")", |
29089a54 RL |
460 | vlan_tci_to_vid(cookie.sflow.vlan_tci), |
461 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
462 | cookie.sflow.output); | |
8de6ff3e | 463 | } else if (cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { |
04594cd5 BP |
464 | ds_put_cstr(ds, ",slow_path("); |
465 | format_flags(ds, slow_path_reason_to_string, | |
466 | cookie.slow_path.reason, ','); | |
467 | ds_put_format(ds, ")"); | |
8de6ff3e | 468 | } else if (cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { |
29089a54 RL |
469 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 |
470 | ",collector_set_id=%"PRIu32 | |
471 | ",obs_domain_id=%"PRIu32 | |
f69f713b | 472 | ",obs_point_id=%"PRIu32 |
0722f341 | 473 | ",output_port=", |
29089a54 RL |
474 | cookie.flow_sample.probability, |
475 | cookie.flow_sample.collector_set_id, | |
476 | cookie.flow_sample.obs_domain_id, | |
0722f341 BP |
477 | cookie.flow_sample.obs_point_id); |
478 | odp_portno_name_format(portno_names, | |
479 | cookie.flow_sample.output_odp_port, ds); | |
4930ea56 BP |
480 | if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_INGRESS) { |
481 | ds_put_cstr(ds, ",ingress"); | |
482 | } else if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_EGRESS) { | |
483 | ds_put_cstr(ds, ",egress"); | |
484 | } | |
485 | ds_put_char(ds, ')'); | |
8de6ff3e | 486 | } else if (cookie.type == USER_ACTION_COOKIE_IPFIX) { |
0722f341 BP |
487 | ds_put_format(ds, ",ipfix(output_port="); |
488 | odp_portno_name_format(portno_names, | |
489 | cookie.ipfix.output_odp_port, ds); | |
490 | ds_put_char(ds, ')'); | |
d39ec23d JP |
491 | } else if (cookie.type == USER_ACTION_COOKIE_CONTROLLER) { |
492 | ds_put_format(ds, ",controller(reason=%"PRIu16 | |
68c5c73b AC |
493 | ",dont_send=%d" |
494 | ",continuation=%d" | |
d39ec23d JP |
495 | ",recirc_id=%"PRIu32 |
496 | ",rule_cookie=%#"PRIx64 | |
497 | ",controller_id=%"PRIu16 | |
498 | ",max_len=%"PRIu16, | |
499 | cookie.controller.reason, | |
abaf6dcf YS |
500 | !!cookie.controller.dont_send, |
501 | !!cookie.controller.continuation, | |
d39ec23d JP |
502 | cookie.controller.recirc_id, |
503 | ntohll(get_32aligned_be64( | |
504 | &cookie.controller.rule_cookie)), | |
505 | cookie.controller.controller_id, | |
506 | cookie.controller.max_len); | |
507 | ds_put_char(ds, ')'); | |
29089a54 RL |
508 | } else { |
509 | userdata_unspec = true; | |
510 | } | |
98403001 | 511 | } |
e995e3df | 512 | |
29089a54 RL |
513 | if (userdata_unspec) { |
514 | size_t i; | |
515 | ds_put_format(ds, ",userdata("); | |
516 | for (i = 0; i < userdata_len; i++) { | |
517 | ds_put_format(ds, "%02x", userdata[i]); | |
518 | } | |
519 | ds_put_char(ds, ')'); | |
e995e3df | 520 | } |
98403001 BP |
521 | } |
522 | ||
7321bda3 NM |
523 | if (a[OVS_USERSPACE_ATTR_ACTIONS]) { |
524 | ds_put_cstr(ds, ",actions"); | |
525 | } | |
526 | ||
8b7ea2d4 WZ |
527 | tunnel_out_port_attr = a[OVS_USERSPACE_ATTR_EGRESS_TUN_PORT]; |
528 | if (tunnel_out_port_attr) { | |
0722f341 BP |
529 | ds_put_format(ds, ",tunnel_out_port="); |
530 | odp_portno_name_format(portno_names, | |
531 | nl_attr_get_odp_port(tunnel_out_port_attr), ds); | |
8b7ea2d4 WZ |
532 | } |
533 | ||
98403001 BP |
534 | ds_put_char(ds, ')'); |
535 | } | |
536 | ||
8ddc056d | 537 | static void |
2d18eae8 | 538 | format_vlan_tci(struct ds *ds, ovs_be16 tci, ovs_be16 mask, bool verbose) |
8ddc056d | 539 | { |
2d18eae8 JR |
540 | if (verbose || vlan_tci_to_vid(tci) || vlan_tci_to_vid(mask)) { |
541 | ds_put_format(ds, "vid=%"PRIu16, vlan_tci_to_vid(tci)); | |
542 | if (vlan_tci_to_vid(mask) != VLAN_VID_MASK) { /* Partially masked. */ | |
543 | ds_put_format(ds, "/0x%"PRIx16, vlan_tci_to_vid(mask)); | |
544 | }; | |
545 | ds_put_char(ds, ','); | |
546 | } | |
547 | if (verbose || vlan_tci_to_pcp(tci) || vlan_tci_to_pcp(mask)) { | |
548 | ds_put_format(ds, "pcp=%d", vlan_tci_to_pcp(tci)); | |
549 | if (vlan_tci_to_pcp(mask) != (VLAN_PCP_MASK >> VLAN_PCP_SHIFT)) { | |
550 | ds_put_format(ds, "/0x%x", vlan_tci_to_pcp(mask)); | |
551 | } | |
552 | ds_put_char(ds, ','); | |
553 | } | |
554 | if (!(tci & htons(VLAN_CFI))) { | |
555 | ds_put_cstr(ds, "cfi=0"); | |
556 | ds_put_char(ds, ','); | |
8ddc056d | 557 | } |
2d18eae8 | 558 | ds_chomp(ds, ','); |
8ddc056d BP |
559 | } |
560 | ||
b02475c5 SH |
561 | static void |
562 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
563 | { | |
564 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
565 | mpls_lse_to_label(mpls_lse), | |
566 | mpls_lse_to_tc(mpls_lse), | |
567 | mpls_lse_to_ttl(mpls_lse), | |
568 | mpls_lse_to_bos(mpls_lse)); | |
569 | } | |
570 | ||
e6cc0bab AZ |
571 | static void |
572 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
8bfd0fda | 573 | const struct ovs_key_mpls *mpls_mask, int n) |
e6cc0bab | 574 | { |
8f79bb4d JR |
575 | for (int i = 0; i < n; i++) { |
576 | ovs_be32 key = mpls_key[i].mpls_lse; | |
e6cc0bab | 577 | |
8bfd0fda BP |
578 | if (mpls_mask == NULL) { |
579 | format_mpls_lse(ds, key); | |
580 | } else { | |
8f79bb4d | 581 | ovs_be32 mask = mpls_mask[i].mpls_lse; |
8bfd0fda BP |
582 | |
583 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
584 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
585 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
586 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
587 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
588 | } | |
8f79bb4d | 589 | ds_put_char(ds, ','); |
e6cc0bab | 590 | } |
8f79bb4d | 591 | ds_chomp(ds, ','); |
e6cc0bab AZ |
592 | } |
593 | ||
572f732a | 594 | static void |
347bf289 | 595 | format_odp_recirc_action(struct ds *ds, uint32_t recirc_id) |
572f732a | 596 | { |
8f19f0a7 | 597 | ds_put_format(ds, "recirc(%#"PRIx32")", recirc_id); |
347bf289 | 598 | } |
572f732a | 599 | |
347bf289 AZ |
600 | static void |
601 | format_odp_hash_action(struct ds *ds, const struct ovs_action_hash *hash_act) | |
602 | { | |
603 | ds_put_format(ds, "hash("); | |
572f732a | 604 | |
347bf289 | 605 | if (hash_act->hash_alg == OVS_HASH_ALG_L4) { |
2e3fd24c JS |
606 | ds_put_format(ds, "l4(%"PRIu32")", hash_act->hash_basis); |
607 | } else if (hash_act->hash_alg == OVS_HASH_ALG_SYM_L4) { | |
608 | ds_put_format(ds, "sym_l4(%"PRIu32")", hash_act->hash_basis); | |
347bf289 AZ |
609 | } else { |
610 | ds_put_format(ds, "Unknown hash algorithm(%"PRIu32")", | |
611 | hash_act->hash_alg); | |
612 | } | |
613 | ds_put_format(ds, ")"); | |
572f732a AZ |
614 | } |
615 | ||
e066f78f | 616 | static const void * |
370e373b | 617 | format_udp_tnl_push_header(struct ds *ds, const struct udp_header *udp) |
e066f78f | 618 | { |
8e45fe7c JG |
619 | ds_put_format(ds, "udp(src=%"PRIu16",dst=%"PRIu16",csum=0x%"PRIx16"),", |
620 | ntohs(udp->udp_src), ntohs(udp->udp_dst), | |
621 | ntohs(udp->udp_csum)); | |
e066f78f JG |
622 | |
623 | return udp + 1; | |
624 | } | |
625 | ||
a36de779 PS |
626 | static void |
627 | format_odp_tnl_push_header(struct ds *ds, struct ovs_action_push_tnl *data) | |
628 | { | |
629 | const struct eth_header *eth; | |
a36de779 | 630 | const void *l3; |
370e373b TLSC |
631 | const void *l4; |
632 | const struct udp_header *udp; | |
a36de779 PS |
633 | |
634 | eth = (const struct eth_header *)data->header; | |
635 | ||
636 | l3 = eth + 1; | |
a36de779 PS |
637 | |
638 | /* Ethernet */ | |
fd13c6b5 | 639 | ds_put_format(ds, "header(size=%"PRIu32",type=%"PRIu32",eth(dst=", |
a36de779 PS |
640 | data->header_len, data->tnl_type); |
641 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_dst)); | |
642 | ds_put_format(ds, ",src="); | |
643 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_src)); | |
644 | ds_put_format(ds, ",dl_type=0x%04"PRIx16"),", ntohs(eth->eth_type)); | |
645 | ||
370e373b TLSC |
646 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
647 | /* IPv4 */ | |
8568c7a5 | 648 | const struct ip_header *ip = l3; |
370e373b TLSC |
649 | ds_put_format(ds, "ipv4(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 |
650 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=0x%"PRIx16"),", | |
651 | IP_ARGS(get_16aligned_be32(&ip->ip_src)), | |
652 | IP_ARGS(get_16aligned_be32(&ip->ip_dst)), | |
653 | ip->ip_proto, ip->ip_tos, | |
654 | ip->ip_ttl, | |
fa47c114 | 655 | ntohs(ip->ip_frag_off)); |
370e373b TLSC |
656 | l4 = (ip + 1); |
657 | } else { | |
8568c7a5 BP |
658 | const struct ovs_16aligned_ip6_hdr *ip6 = l3; |
659 | struct in6_addr src, dst; | |
660 | memcpy(&src, &ip6->ip6_src, sizeof src); | |
661 | memcpy(&dst, &ip6->ip6_dst, sizeof dst); | |
662 | uint32_t ipv6_flow = ntohl(get_16aligned_be32(&ip6->ip6_flow)); | |
663 | ||
370e373b | 664 | ds_put_format(ds, "ipv6(src="); |
8568c7a5 | 665 | ipv6_format_addr(&src, ds); |
370e373b | 666 | ds_put_format(ds, ",dst="); |
8568c7a5 | 667 | ipv6_format_addr(&dst, ds); |
fd13c6b5 | 668 | ds_put_format(ds, ",label=%i,proto=%"PRIu8",tclass=0x%"PRIx32 |
370e373b | 669 | ",hlimit=%"PRIu8"),", |
8568c7a5 BP |
670 | ipv6_flow & IPV6_LABEL_MASK, ip6->ip6_nxt, |
671 | (ipv6_flow >> 20) & 0xff, ip6->ip6_hlim); | |
370e373b TLSC |
672 | l4 = (ip6 + 1); |
673 | } | |
674 | ||
675 | udp = (const struct udp_header *) l4; | |
a36de779 PS |
676 | |
677 | if (data->tnl_type == OVS_VPORT_TYPE_VXLAN) { | |
678 | const struct vxlanhdr *vxh; | |
a36de779 | 679 | |
370e373b | 680 | vxh = format_udp_tnl_push_header(ds, udp); |
a36de779 | 681 | |
a36de779 PS |
682 | ds_put_format(ds, "vxlan(flags=0x%"PRIx32",vni=0x%"PRIx32")", |
683 | ntohl(get_16aligned_be32(&vxh->vx_flags)), | |
a92a3aae | 684 | ntohl(get_16aligned_be32(&vxh->vx_vni)) >> 8); |
e5a1caee JG |
685 | } else if (data->tnl_type == OVS_VPORT_TYPE_GENEVE) { |
686 | const struct genevehdr *gnh; | |
687 | ||
370e373b | 688 | gnh = format_udp_tnl_push_header(ds, udp); |
e5a1caee | 689 | |
5bb08b0e | 690 | ds_put_format(ds, "geneve(%s%svni=0x%"PRIx32, |
e5a1caee | 691 | gnh->oam ? "oam," : "", |
5bb08b0e | 692 | gnh->critical ? "crit," : "", |
e5a1caee | 693 | ntohl(get_16aligned_be32(&gnh->vni)) >> 8); |
1fc11c59 | 694 | |
5bb08b0e JG |
695 | if (gnh->opt_len) { |
696 | ds_put_cstr(ds, ",options("); | |
697 | format_geneve_opts(gnh->options, NULL, gnh->opt_len * 4, | |
698 | ds, false); | |
699 | ds_put_char(ds, ')'); | |
700 | } | |
701 | ||
702 | ds_put_char(ds, ')'); | |
3b10ceee GR |
703 | } else if (data->tnl_type == OVS_VPORT_TYPE_GRE || |
704 | data->tnl_type == OVS_VPORT_TYPE_IP6GRE) { | |
a36de779 PS |
705 | const struct gre_base_hdr *greh; |
706 | ovs_16aligned_be32 *options; | |
a36de779 | 707 | |
a36de779 PS |
708 | greh = (const struct gre_base_hdr *) l4; |
709 | ||
710 | ds_put_format(ds, "gre((flags=0x%"PRIx16",proto=0x%"PRIx16")", | |
e8fe6ad0 | 711 | ntohs(greh->flags), ntohs(greh->protocol)); |
a36de779 PS |
712 | options = (ovs_16aligned_be32 *)(greh + 1); |
713 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 714 | ds_put_format(ds, ",csum=0x%"PRIx16, ntohs(*((ovs_be16 *)options))); |
a36de779 PS |
715 | options++; |
716 | } | |
717 | if (greh->flags & htons(GRE_KEY)) { | |
718 | ds_put_format(ds, ",key=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
719 | options++; | |
720 | } | |
721 | if (greh->flags & htons(GRE_SEQ)) { | |
722 | ds_put_format(ds, ",seq=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
723 | options++; | |
724 | } | |
725 | ds_put_format(ds, ")"); | |
7dc18ae9 WT |
726 | } else if (data->tnl_type == OVS_VPORT_TYPE_ERSPAN || |
727 | data->tnl_type == OVS_VPORT_TYPE_IP6ERSPAN) { | |
728 | const struct gre_base_hdr *greh; | |
729 | const struct erspan_base_hdr *ersh; | |
730 | ||
731 | greh = (const struct gre_base_hdr *) l4; | |
732 | ersh = ERSPAN_HDR(greh); | |
733 | ||
734 | if (ersh->ver == 1) { | |
735 | ovs_16aligned_be32 *index = ALIGNED_CAST(ovs_16aligned_be32 *, | |
736 | ersh + 1); | |
737 | ds_put_format(ds, "erspan(ver=1,sid=0x%"PRIx16",idx=0x%"PRIx32")", | |
738 | get_sid(ersh), ntohl(get_16aligned_be32(index))); | |
739 | } else if (ersh->ver == 2) { | |
740 | struct erspan_md2 *md2 = ALIGNED_CAST(struct erspan_md2 *, | |
741 | ersh + 1); | |
742 | ds_put_format(ds, "erspan(ver=2,sid=0x%"PRIx16 | |
743 | ",dir=%"PRIu8",hwid=0x%"PRIx8")", | |
744 | get_sid(ersh), md2->dir, get_hwid(md2)); | |
745 | } else { | |
746 | VLOG_WARN("%s Invalid ERSPAN version %d\n", __func__, ersh->ver); | |
747 | } | |
a36de779 PS |
748 | } |
749 | ds_put_format(ds, ")"); | |
750 | } | |
751 | ||
752 | static void | |
0722f341 BP |
753 | format_odp_tnl_push_action(struct ds *ds, const struct nlattr *attr, |
754 | const struct hmap *portno_names) | |
a36de779 PS |
755 | { |
756 | struct ovs_action_push_tnl *data; | |
757 | ||
758 | data = (struct ovs_action_push_tnl *) nl_attr_get(attr); | |
759 | ||
0722f341 BP |
760 | ds_put_cstr(ds, "tnl_push(tnl_port("); |
761 | odp_portno_name_format(portno_names, data->tnl_port, ds); | |
762 | ds_put_cstr(ds, "),"); | |
a36de779 | 763 | format_odp_tnl_push_header(ds, data); |
0722f341 BP |
764 | ds_put_format(ds, ",out_port("); |
765 | odp_portno_name_format(portno_names, data->out_port, ds); | |
766 | ds_put_cstr(ds, "))"); | |
a36de779 PS |
767 | } |
768 | ||
9ac0aada JR |
769 | static const struct nl_policy ovs_nat_policy[] = { |
770 | [OVS_NAT_ATTR_SRC] = { .type = NL_A_FLAG, .optional = true, }, | |
771 | [OVS_NAT_ATTR_DST] = { .type = NL_A_FLAG, .optional = true, }, | |
772 | [OVS_NAT_ATTR_IP_MIN] = { .type = NL_A_UNSPEC, .optional = true, | |
773 | .min_len = sizeof(struct in_addr), | |
774 | .max_len = sizeof(struct in6_addr)}, | |
775 | [OVS_NAT_ATTR_IP_MAX] = { .type = NL_A_UNSPEC, .optional = true, | |
776 | .min_len = sizeof(struct in_addr), | |
777 | .max_len = sizeof(struct in6_addr)}, | |
778 | [OVS_NAT_ATTR_PROTO_MIN] = { .type = NL_A_U16, .optional = true, }, | |
779 | [OVS_NAT_ATTR_PROTO_MAX] = { .type = NL_A_U16, .optional = true, }, | |
780 | [OVS_NAT_ATTR_PERSISTENT] = { .type = NL_A_FLAG, .optional = true, }, | |
781 | [OVS_NAT_ATTR_PROTO_HASH] = { .type = NL_A_FLAG, .optional = true, }, | |
782 | [OVS_NAT_ATTR_PROTO_RANDOM] = { .type = NL_A_FLAG, .optional = true, }, | |
783 | }; | |
784 | ||
785 | static void | |
786 | format_odp_ct_nat(struct ds *ds, const struct nlattr *attr) | |
787 | { | |
788 | struct nlattr *a[ARRAY_SIZE(ovs_nat_policy)]; | |
789 | size_t addr_len; | |
790 | ovs_be32 ip_min, ip_max; | |
791 | struct in6_addr ip6_min, ip6_max; | |
792 | uint16_t proto_min, proto_max; | |
793 | ||
794 | if (!nl_parse_nested(attr, ovs_nat_policy, a, ARRAY_SIZE(a))) { | |
795 | ds_put_cstr(ds, "nat(error: nl_parse_nested() failed.)"); | |
796 | return; | |
797 | } | |
798 | /* If no type, then nothing else either. */ | |
799 | if (!(a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) | |
800 | && (a[OVS_NAT_ATTR_IP_MIN] || a[OVS_NAT_ATTR_IP_MAX] | |
801 | || a[OVS_NAT_ATTR_PROTO_MIN] || a[OVS_NAT_ATTR_PROTO_MAX] | |
802 | || a[OVS_NAT_ATTR_PERSISTENT] || a[OVS_NAT_ATTR_PROTO_HASH] | |
803 | || a[OVS_NAT_ATTR_PROTO_RANDOM])) { | |
804 | ds_put_cstr(ds, "nat(error: options allowed only with \"src\" or \"dst\")"); | |
805 | return; | |
806 | } | |
807 | /* Both SNAT & DNAT may not be specified. */ | |
808 | if (a[OVS_NAT_ATTR_SRC] && a[OVS_NAT_ATTR_DST]) { | |
809 | ds_put_cstr(ds, "nat(error: Only one of \"src\" or \"dst\" may be present.)"); | |
810 | return; | |
811 | } | |
812 | /* proto may not appear without ip. */ | |
813 | if (!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_PROTO_MIN]) { | |
814 | ds_put_cstr(ds, "nat(error: proto but no IP.)"); | |
815 | return; | |
816 | } | |
817 | /* MAX may not appear without MIN. */ | |
818 | if ((!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX]) | |
819 | || (!a[OVS_NAT_ATTR_PROTO_MIN] && a[OVS_NAT_ATTR_PROTO_MAX])) { | |
820 | ds_put_cstr(ds, "nat(error: range max without min.)"); | |
821 | return; | |
822 | } | |
823 | /* Address sizes must match. */ | |
824 | if ((a[OVS_NAT_ATTR_IP_MIN] | |
825 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(ovs_be32) && | |
826 | nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(struct in6_addr))) | |
827 | || (a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX] | |
828 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) | |
829 | != nl_attr_get_size(a[OVS_NAT_ATTR_IP_MAX])))) { | |
830 | ds_put_cstr(ds, "nat(error: IP address sizes do not match)"); | |
831 | return; | |
832 | } | |
833 | ||
834 | addr_len = a[OVS_NAT_ATTR_IP_MIN] | |
835 | ? nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
836 | ip_min = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MIN] | |
837 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
838 | ip_max = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MAX] | |
839 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MAX]) : 0; | |
840 | if (addr_len == sizeof ip6_min) { | |
841 | ip6_min = a[OVS_NAT_ATTR_IP_MIN] | |
842 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MIN]) | |
843 | : in6addr_any; | |
844 | ip6_max = a[OVS_NAT_ATTR_IP_MAX] | |
845 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MAX]) | |
846 | : in6addr_any; | |
847 | } | |
848 | proto_min = a[OVS_NAT_ATTR_PROTO_MIN] | |
849 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MIN]) : 0; | |
850 | proto_max = a[OVS_NAT_ATTR_PROTO_MAX] | |
851 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MAX]) : 0; | |
852 | ||
853 | if ((addr_len == sizeof(ovs_be32) | |
854 | && ip_max && ntohl(ip_min) > ntohl(ip_max)) | |
855 | || (addr_len == sizeof(struct in6_addr) | |
856 | && !ipv6_mask_is_any(&ip6_max) | |
857 | && memcmp(&ip6_min, &ip6_max, sizeof ip6_min) > 0) | |
858 | || (proto_max && proto_min > proto_max)) { | |
859 | ds_put_cstr(ds, "nat(range error)"); | |
860 | return; | |
861 | } | |
862 | ||
863 | ds_put_cstr(ds, "nat"); | |
864 | if (a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) { | |
865 | ds_put_char(ds, '('); | |
866 | if (a[OVS_NAT_ATTR_SRC]) { | |
867 | ds_put_cstr(ds, "src"); | |
868 | } else if (a[OVS_NAT_ATTR_DST]) { | |
869 | ds_put_cstr(ds, "dst"); | |
870 | } | |
871 | ||
872 | if (addr_len > 0) { | |
873 | ds_put_cstr(ds, "="); | |
874 | ||
875 | if (addr_len == sizeof ip_min) { | |
876 | ds_put_format(ds, IP_FMT, IP_ARGS(ip_min)); | |
877 | ||
878 | if (ip_max && ip_max != ip_min) { | |
879 | ds_put_format(ds, "-"IP_FMT, IP_ARGS(ip_max)); | |
880 | } | |
881 | } else if (addr_len == sizeof ip6_min) { | |
882 | ipv6_format_addr_bracket(&ip6_min, ds, proto_min); | |
883 | ||
884 | if (!ipv6_mask_is_any(&ip6_max) && | |
885 | memcmp(&ip6_max, &ip6_min, sizeof ip6_max) != 0) { | |
886 | ds_put_char(ds, '-'); | |
887 | ipv6_format_addr_bracket(&ip6_max, ds, proto_min); | |
888 | } | |
889 | } | |
890 | if (proto_min) { | |
891 | ds_put_format(ds, ":%"PRIu16, proto_min); | |
892 | ||
893 | if (proto_max && proto_max != proto_min) { | |
894 | ds_put_format(ds, "-%"PRIu16, proto_max); | |
895 | } | |
896 | } | |
897 | } | |
898 | ds_put_char(ds, ','); | |
899 | if (a[OVS_NAT_ATTR_PERSISTENT]) { | |
900 | ds_put_cstr(ds, "persistent,"); | |
901 | } | |
902 | if (a[OVS_NAT_ATTR_PROTO_HASH]) { | |
903 | ds_put_cstr(ds, "hash,"); | |
904 | } | |
905 | if (a[OVS_NAT_ATTR_PROTO_RANDOM]) { | |
906 | ds_put_cstr(ds, "random,"); | |
907 | } | |
908 | ds_chomp(ds, ','); | |
909 | ds_put_char(ds, ')'); | |
910 | } | |
911 | } | |
912 | ||
07659514 JS |
913 | static const struct nl_policy ovs_conntrack_policy[] = { |
914 | [OVS_CT_ATTR_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, | |
a76a37ef | 915 | [OVS_CT_ATTR_FORCE_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, |
07659514 | 916 | [OVS_CT_ATTR_ZONE] = { .type = NL_A_U16, .optional = true, }, |
8e53fe8c JS |
917 | [OVS_CT_ATTR_MARK] = { .type = NL_A_UNSPEC, .optional = true, |
918 | .min_len = sizeof(uint32_t) * 2 }, | |
9daf2348 JS |
919 | [OVS_CT_ATTR_LABELS] = { .type = NL_A_UNSPEC, .optional = true, |
920 | .min_len = sizeof(struct ovs_key_ct_labels) * 2 }, | |
d787ad39 JS |
921 | [OVS_CT_ATTR_HELPER] = { .type = NL_A_STRING, .optional = true, |
922 | .min_len = 1, .max_len = 16 }, | |
9ac0aada | 923 | [OVS_CT_ATTR_NAT] = { .type = NL_A_UNSPEC, .optional = true }, |
07659514 JS |
924 | }; |
925 | ||
926 | static void | |
927 | format_odp_conntrack_action(struct ds *ds, const struct nlattr *attr) | |
928 | { | |
929 | struct nlattr *a[ARRAY_SIZE(ovs_conntrack_policy)]; | |
89cf41ec BP |
930 | const struct { |
931 | ovs_32aligned_u128 value; | |
932 | ovs_32aligned_u128 mask; | |
933 | } *label; | |
8e53fe8c | 934 | const uint32_t *mark; |
d787ad39 | 935 | const char *helper; |
07659514 | 936 | uint16_t zone; |
a76a37ef | 937 | bool commit, force; |
9ac0aada | 938 | const struct nlattr *nat; |
07659514 JS |
939 | |
940 | if (!nl_parse_nested(attr, ovs_conntrack_policy, a, ARRAY_SIZE(a))) { | |
941 | ds_put_cstr(ds, "ct(error)"); | |
942 | return; | |
943 | } | |
944 | ||
945 | commit = a[OVS_CT_ATTR_COMMIT] ? true : false; | |
a76a37ef | 946 | force = a[OVS_CT_ATTR_FORCE_COMMIT] ? true : false; |
07659514 | 947 | zone = a[OVS_CT_ATTR_ZONE] ? nl_attr_get_u16(a[OVS_CT_ATTR_ZONE]) : 0; |
8e53fe8c | 948 | mark = a[OVS_CT_ATTR_MARK] ? nl_attr_get(a[OVS_CT_ATTR_MARK]) : NULL; |
9daf2348 | 949 | label = a[OVS_CT_ATTR_LABELS] ? nl_attr_get(a[OVS_CT_ATTR_LABELS]): NULL; |
d787ad39 | 950 | helper = a[OVS_CT_ATTR_HELPER] ? nl_attr_get(a[OVS_CT_ATTR_HELPER]) : NULL; |
9ac0aada | 951 | nat = a[OVS_CT_ATTR_NAT]; |
07659514 JS |
952 | |
953 | ds_put_format(ds, "ct"); | |
a76a37ef | 954 | if (commit || force || zone || mark || label || helper || nat) { |
07659514 JS |
955 | ds_put_cstr(ds, "("); |
956 | if (commit) { | |
957 | ds_put_format(ds, "commit,"); | |
958 | } | |
a76a37ef JR |
959 | if (force) { |
960 | ds_put_format(ds, "force_commit,"); | |
961 | } | |
07659514 JS |
962 | if (zone) { |
963 | ds_put_format(ds, "zone=%"PRIu16",", zone); | |
964 | } | |
8e53fe8c JS |
965 | if (mark) { |
966 | ds_put_format(ds, "mark=%#"PRIx32"/%#"PRIx32",", *mark, | |
967 | *(mark + 1)); | |
968 | } | |
9daf2348 JS |
969 | if (label) { |
970 | ds_put_format(ds, "label="); | |
89cf41ec | 971 | format_u128(ds, &label->value, &label->mask, true); |
121cf327 | 972 | ds_put_char(ds, ','); |
9daf2348 | 973 | } |
d787ad39 JS |
974 | if (helper) { |
975 | ds_put_format(ds, "helper=%s,", helper); | |
976 | } | |
9ac0aada JR |
977 | if (nat) { |
978 | format_odp_ct_nat(ds, nat); | |
979 | } | |
07659514 JS |
980 | ds_chomp(ds, ','); |
981 | ds_put_cstr(ds, ")"); | |
982 | } | |
983 | } | |
984 | ||
81fdabb9 YY |
985 | static const struct attr_len_tbl |
986 | ovs_nsh_key_attr_lens[OVS_NSH_KEY_ATTR_MAX + 1] = { | |
987 | [OVS_NSH_KEY_ATTR_BASE] = { .len = 8 }, | |
988 | [OVS_NSH_KEY_ATTR_MD1] = { .len = 16 }, | |
989 | [OVS_NSH_KEY_ATTR_MD2] = { .len = ATTR_LEN_VARIABLE }, | |
990 | }; | |
991 | ||
992 | static void | |
993 | format_odp_set_nsh(struct ds *ds, const struct nlattr *attr) | |
994 | { | |
995 | unsigned int left; | |
996 | const struct nlattr *a; | |
997 | struct ovs_key_nsh nsh; | |
998 | struct ovs_key_nsh nsh_mask; | |
999 | ||
1000 | memset(&nsh, 0, sizeof nsh); | |
1001 | memset(&nsh_mask, 0xff, sizeof nsh_mask); | |
1002 | ||
1003 | NL_NESTED_FOR_EACH (a, left, attr) { | |
1004 | enum ovs_nsh_key_attr type = nl_attr_type(a); | |
1005 | size_t len = nl_attr_get_size(a); | |
1006 | ||
1007 | if (type >= OVS_NSH_KEY_ATTR_MAX) { | |
1008 | return; | |
1009 | } | |
1010 | ||
1011 | int expected_len = ovs_nsh_key_attr_lens[type].len; | |
1012 | if ((expected_len != ATTR_LEN_VARIABLE) && (len != 2 * expected_len)) { | |
1013 | return; | |
1014 | } | |
1015 | ||
1016 | switch (type) { | |
1017 | case OVS_NSH_KEY_ATTR_UNSPEC: | |
1018 | break; | |
1019 | case OVS_NSH_KEY_ATTR_BASE: { | |
1020 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
1021 | const struct ovs_nsh_key_base *base_mask = base + 1; | |
1022 | memcpy(&nsh, base, sizeof(*base)); | |
1023 | memcpy(&nsh_mask, base_mask, sizeof(*base_mask)); | |
1024 | break; | |
1025 | } | |
1026 | case OVS_NSH_KEY_ATTR_MD1: { | |
1027 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
1028 | const struct ovs_nsh_key_md1 *md1_mask = md1 + 1; | |
1029 | memcpy(&nsh.context, &md1->context, sizeof(*md1)); | |
1030 | memcpy(&nsh_mask.context, &md1_mask->context, sizeof(*md1_mask)); | |
1031 | break; | |
1032 | } | |
1033 | case OVS_NSH_KEY_ATTR_MD2: | |
1034 | case __OVS_NSH_KEY_ATTR_MAX: | |
1035 | default: | |
1036 | /* No support for matching other metadata formats yet. */ | |
1037 | break; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | ds_put_cstr(ds, "set(nsh("); | |
1042 | format_nsh_key_mask(ds, &nsh, &nsh_mask); | |
1043 | ds_put_cstr(ds, "))"); | |
1044 | } | |
1045 | ||
1046 | ||
4edb9ae9 | 1047 | static void |
0722f341 BP |
1048 | format_odp_action(struct ds *ds, const struct nlattr *a, |
1049 | const struct hmap *portno_names) | |
064af421 | 1050 | { |
98403001 | 1051 | int expected_len; |
4edb9ae9 | 1052 | enum ovs_action_attr type = nl_attr_type(a); |
6d670e7f | 1053 | size_t size; |
cdee00fd | 1054 | |
98403001 | 1055 | expected_len = odp_action_len(nl_attr_type(a)); |
6b8da9e9 JG |
1056 | if (expected_len != ATTR_LEN_VARIABLE && |
1057 | nl_attr_get_size(a) != expected_len) { | |
34582733 | 1058 | ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ", |
98403001 | 1059 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
1060 | format_generic_odp_action(ds, a); |
1061 | return; | |
1062 | } | |
1063 | ||
4edb9ae9 | 1064 | switch (type) { |
5dddf960 JR |
1065 | case OVS_ACTION_ATTR_METER: |
1066 | ds_put_format(ds, "meter(%"PRIu32")", nl_attr_get_u32(a)); | |
1067 | break; | |
df2c07f4 | 1068 | case OVS_ACTION_ATTR_OUTPUT: |
0722f341 | 1069 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); |
064af421 | 1070 | break; |
aaca4fe0 WT |
1071 | case OVS_ACTION_ATTR_TRUNC: { |
1072 | const struct ovs_action_trunc *trunc = | |
1073 | nl_attr_get_unspec(a, sizeof *trunc); | |
1074 | ||
1075 | ds_put_format(ds, "trunc(%"PRIu32")", trunc->max_len); | |
1076 | break; | |
1077 | } | |
a36de779 | 1078 | case OVS_ACTION_ATTR_TUNNEL_POP: |
0722f341 BP |
1079 | ds_put_cstr(ds, "tnl_pop("); |
1080 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
1081 | ds_put_char(ds, ')'); | |
a36de779 PS |
1082 | break; |
1083 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
0722f341 | 1084 | format_odp_tnl_push_action(ds, a, portno_names); |
a36de779 | 1085 | break; |
df2c07f4 | 1086 | case OVS_ACTION_ATTR_USERSPACE: |
0722f341 | 1087 | format_odp_userspace_action(ds, a, portno_names); |
064af421 | 1088 | break; |
572f732a | 1089 | case OVS_ACTION_ATTR_RECIRC: |
347bf289 AZ |
1090 | format_odp_recirc_action(ds, nl_attr_get_u32(a)); |
1091 | break; | |
1092 | case OVS_ACTION_ATTR_HASH: | |
1093 | format_odp_hash_action(ds, nl_attr_get(a)); | |
572f732a | 1094 | break; |
6d670e7f JR |
1095 | case OVS_ACTION_ATTR_SET_MASKED: |
1096 | a = nl_attr_get(a); | |
81fdabb9 YY |
1097 | /* OVS_KEY_ATTR_NSH is nested attribute, so it needs special process */ |
1098 | if (nl_attr_type(a) == OVS_KEY_ATTR_NSH) { | |
1099 | format_odp_set_nsh(ds, a); | |
1100 | break; | |
1101 | } | |
6d670e7f JR |
1102 | size = nl_attr_get_size(a) / 2; |
1103 | ds_put_cstr(ds, "set("); | |
1104 | ||
1105 | /* Masked set action not supported for tunnel key, which is bigger. */ | |
1106 | if (size <= sizeof(struct ovs_key_ipv6)) { | |
1107 | struct nlattr attr[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
1108 | sizeof(struct nlattr))]; | |
1109 | struct nlattr mask[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
1110 | sizeof(struct nlattr))]; | |
1111 | ||
1112 | mask->nla_type = attr->nla_type = nl_attr_type(a); | |
1113 | mask->nla_len = attr->nla_len = NLA_HDRLEN + size; | |
1114 | memcpy(attr + 1, (char *)(a + 1), size); | |
1115 | memcpy(mask + 1, (char *)(a + 1) + size, size); | |
2d18eae8 | 1116 | format_odp_key_attr(attr, mask, NULL, ds, false); |
6d670e7f | 1117 | } else { |
2d18eae8 | 1118 | format_odp_key_attr(a, NULL, NULL, ds, false); |
6d670e7f JR |
1119 | } |
1120 | ds_put_cstr(ds, ")"); | |
1121 | break; | |
4edb9ae9 PS |
1122 | case OVS_ACTION_ATTR_SET: |
1123 | ds_put_cstr(ds, "set("); | |
0a37839c | 1124 | format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true); |
4edb9ae9 | 1125 | ds_put_cstr(ds, ")"); |
6fcecb85 YY |
1126 | break; |
1127 | case OVS_ACTION_ATTR_PUSH_ETH: { | |
1128 | const struct ovs_action_push_eth *eth = nl_attr_get(a); | |
1129 | ds_put_format(ds, "push_eth(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")", | |
1130 | ETH_ADDR_ARGS(eth->addresses.eth_src), | |
1131 | ETH_ADDR_ARGS(eth->addresses.eth_dst)); | |
1132 | break; | |
1133 | } | |
1134 | case OVS_ACTION_ATTR_POP_ETH: | |
1135 | ds_put_cstr(ds, "pop_eth"); | |
064af421 | 1136 | break; |
66026437 SH |
1137 | case OVS_ACTION_ATTR_PUSH_VLAN: { |
1138 | const struct ovs_action_push_vlan *vlan = nl_attr_get(a); | |
fea393b1 BP |
1139 | ds_put_cstr(ds, "push_vlan("); |
1140 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
1141 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
1142 | } | |
2d18eae8 | 1143 | format_vlan_tci(ds, vlan->vlan_tci, OVS_BE16_MAX, false); |
8ddc056d | 1144 | ds_put_char(ds, ')'); |
064af421 | 1145 | break; |
66026437 | 1146 | } |
fea393b1 BP |
1147 | case OVS_ACTION_ATTR_POP_VLAN: |
1148 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 1149 | break; |
b02475c5 SH |
1150 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
1151 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
1152 | ds_put_cstr(ds, "push_mpls("); | |
1153 | format_mpls_lse(ds, mpls->mpls_lse); | |
1154 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
1155 | break; | |
1156 | } | |
1157 | case OVS_ACTION_ATTR_POP_MPLS: { | |
1158 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
1159 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
1160 | break; | |
1161 | } | |
6ff686f2 | 1162 | case OVS_ACTION_ATTR_SAMPLE: |
0722f341 | 1163 | format_odp_sample_action(ds, a, portno_names); |
6ff686f2 | 1164 | break; |
07659514 JS |
1165 | case OVS_ACTION_ATTR_CT: |
1166 | format_odp_conntrack_action(ds, a); | |
1167 | break; | |
1fe178d2 EG |
1168 | case OVS_ACTION_ATTR_CT_CLEAR: |
1169 | ds_put_cstr(ds, "ct_clear"); | |
1170 | break; | |
535e3acf | 1171 | case OVS_ACTION_ATTR_CLONE: |
0722f341 | 1172 | format_odp_clone_action(ds, a, portno_names); |
535e3acf | 1173 | break; |
f59cb331 YY |
1174 | case OVS_ACTION_ATTR_PUSH_NSH: { |
1175 | uint32_t buffer[NSH_HDR_MAX_LEN / 4]; | |
1176 | struct nsh_hdr *nsh_hdr = ALIGNED_CAST(struct nsh_hdr *, buffer); | |
1177 | nsh_reset_ver_flags_ttl_len(nsh_hdr); | |
1178 | odp_nsh_hdr_from_attr(nl_attr_get(a), nsh_hdr, NSH_HDR_MAX_LEN); | |
1179 | format_odp_push_nsh_action(ds, nsh_hdr); | |
1fc11c59 | 1180 | break; |
f59cb331 YY |
1181 | } |
1182 | case OVS_ACTION_ATTR_POP_NSH: | |
1183 | ds_put_cstr(ds, "pop_nsh()"); | |
1fc11c59 | 1184 | break; |
4edb9ae9 PS |
1185 | case OVS_ACTION_ATTR_UNSPEC: |
1186 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 1187 | default: |
cdee00fd | 1188 | format_generic_odp_action(ds, a); |
064af421 BP |
1189 | break; |
1190 | } | |
1191 | } | |
1192 | ||
1193 | void | |
cdee00fd | 1194 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
0722f341 | 1195 | size_t actions_len, const struct hmap *portno_names) |
064af421 | 1196 | { |
cdee00fd BP |
1197 | if (actions_len) { |
1198 | const struct nlattr *a; | |
1199 | unsigned int left; | |
1200 | ||
1201 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
1202 | if (a != actions) { | |
1203 | ds_put_char(ds, ','); | |
1204 | } | |
0722f341 | 1205 | format_odp_action(ds, a, portno_names); |
064af421 | 1206 | } |
cdee00fd | 1207 | if (left) { |
3a8cfc50 BP |
1208 | int i; |
1209 | ||
3476fce3 BP |
1210 | if (left == actions_len) { |
1211 | ds_put_cstr(ds, "<empty>"); | |
1212 | } | |
3a8cfc50 BP |
1213 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
1214 | for (i = 0; i < left; i++) { | |
1215 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
1216 | } | |
1217 | ds_put_char(ds, ')'); | |
cdee00fd BP |
1218 | } |
1219 | } else { | |
064af421 BP |
1220 | ds_put_cstr(ds, "drop"); |
1221 | } | |
1222 | } | |
7202cbe5 | 1223 | |
8b7ea2d4 | 1224 | /* Separate out parse_odp_userspace_action() function. */ |
7202cbe5 | 1225 | static int |
8b7ea2d4 | 1226 | parse_odp_userspace_action(const char *s, struct ofpbuf *actions) |
7202cbe5 | 1227 | { |
8b7ea2d4 | 1228 | uint32_t pid; |
8de6ff3e | 1229 | struct user_action_cookie cookie; |
8b7ea2d4 WZ |
1230 | struct ofpbuf buf; |
1231 | odp_port_t tunnel_out_port; | |
1232 | int n = -1; | |
1233 | void *user_data = NULL; | |
1234 | size_t user_data_size = 0; | |
7321bda3 | 1235 | bool include_actions = false; |
9d4e54c6 | 1236 | int res; |
8b7ea2d4 WZ |
1237 | |
1238 | if (!ovs_scan(s, "userspace(pid=%"SCNi32"%n", &pid, &n)) { | |
1239 | return -EINVAL; | |
7202cbe5 BP |
1240 | } |
1241 | ||
9d4e54c6 | 1242 | ofpbuf_init(&buf, 16); |
8de6ff3e | 1243 | memset(&cookie, 0, sizeof cookie); |
9d4e54c6 | 1244 | |
8de6ff3e JP |
1245 | user_data = &cookie; |
1246 | user_data_size = sizeof cookie; | |
7202cbe5 | 1247 | { |
c2c28dfd BP |
1248 | uint32_t output; |
1249 | uint32_t probability; | |
1250 | uint32_t collector_set_id; | |
1251 | uint32_t obs_domain_id; | |
1252 | uint32_t obs_point_id; | |
d39ec23d JP |
1253 | |
1254 | /* USER_ACTION_COOKIE_CONTROLLER. */ | |
1255 | uint8_t dont_send; | |
74c4530d | 1256 | uint8_t continuation; |
d39ec23d JP |
1257 | uint16_t reason; |
1258 | uint32_t recirc_id; | |
ab53fe8d | 1259 | uint64_t rule_cookie; |
d39ec23d JP |
1260 | uint16_t controller_id; |
1261 | uint16_t max_len; | |
1262 | ||
7202cbe5 | 1263 | int vid, pcp; |
8b7ea2d4 WZ |
1264 | int n1 = -1; |
1265 | if (ovs_scan(&s[n], ",sFlow(vid=%i," | |
1266 | "pcp=%i,output=%"SCNi32")%n", | |
1267 | &vid, &pcp, &output, &n1)) { | |
7202cbe5 BP |
1268 | uint16_t tci; |
1269 | ||
8b7ea2d4 | 1270 | n += n1; |
7202cbe5 BP |
1271 | tci = vid | (pcp << VLAN_PCP_SHIFT); |
1272 | if (tci) { | |
1273 | tci |= VLAN_CFI; | |
1274 | } | |
1275 | ||
1276 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
fcb9579b JP |
1277 | cookie.ofp_in_port = OFPP_NONE; |
1278 | cookie.ofproto_uuid = UUID_ZERO; | |
1673e0e4 BP |
1279 | cookie.sflow.vlan_tci = htons(tci); |
1280 | cookie.sflow.output = output; | |
2d18eae8 | 1281 | } else if (ovs_scan(&s[n], ",slow_path(%n", |
8b7ea2d4 | 1282 | &n1)) { |
8b7ea2d4 | 1283 | n += n1; |
6a7e895f | 1284 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; |
fcb9579b JP |
1285 | cookie.ofp_in_port = OFPP_NONE; |
1286 | cookie.ofproto_uuid = UUID_ZERO; | |
04594cd5 | 1287 | cookie.slow_path.reason = 0; |
6a7e895f | 1288 | |
8e4c1621 JG |
1289 | res = parse_odp_flags(&s[n], slow_path_reason_to_string, |
1290 | &cookie.slow_path.reason, | |
1291 | SLOW_PATH_REASON_MASK, NULL); | |
2d18eae8 | 1292 | if (res < 0 || s[n + res] != ')') { |
9d4e54c6 | 1293 | goto out; |
04594cd5 | 1294 | } |
2d18eae8 | 1295 | n += res + 1; |
8b7ea2d4 | 1296 | } else if (ovs_scan(&s[n], ",flow_sample(probability=%"SCNi32"," |
c2c28dfd BP |
1297 | "collector_set_id=%"SCNi32"," |
1298 | "obs_domain_id=%"SCNi32"," | |
f69f713b | 1299 | "obs_point_id=%"SCNi32"," |
4930ea56 | 1300 | "output_port=%"SCNi32"%n", |
8b7ea2d4 | 1301 | &probability, &collector_set_id, |
f69f713b BY |
1302 | &obs_domain_id, &obs_point_id, |
1303 | &output, &n1)) { | |
8b7ea2d4 | 1304 | n += n1; |
29089a54 RL |
1305 | |
1306 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
fcb9579b JP |
1307 | cookie.ofp_in_port = OFPP_NONE; |
1308 | cookie.ofproto_uuid = UUID_ZERO; | |
29089a54 RL |
1309 | cookie.flow_sample.probability = probability; |
1310 | cookie.flow_sample.collector_set_id = collector_set_id; | |
1311 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
1312 | cookie.flow_sample.obs_point_id = obs_point_id; | |
f69f713b | 1313 | cookie.flow_sample.output_odp_port = u32_to_odp(output); |
4930ea56 BP |
1314 | |
1315 | if (ovs_scan(&s[n], ",ingress%n", &n1)) { | |
1316 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_INGRESS; | |
1317 | n += n1; | |
1318 | } else if (ovs_scan(&s[n], ",egress%n", &n1)) { | |
1319 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_EGRESS; | |
1320 | n += n1; | |
1321 | } else { | |
1322 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_DEFAULT; | |
1323 | } | |
1324 | if (s[n] != ')') { | |
1325 | res = -EINVAL; | |
1326 | goto out; | |
1327 | } | |
1328 | n++; | |
8b7ea2d4 WZ |
1329 | } else if (ovs_scan(&s[n], ",ipfix(output_port=%"SCNi32")%n", |
1330 | &output, &n1) ) { | |
1331 | n += n1; | |
29089a54 | 1332 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
fcb9579b JP |
1333 | cookie.ofp_in_port = OFPP_NONE; |
1334 | cookie.ofproto_uuid = UUID_ZERO; | |
8b7ea2d4 | 1335 | cookie.ipfix.output_odp_port = u32_to_odp(output); |
d39ec23d JP |
1336 | } else if (ovs_scan(&s[n], ",controller(reason=%"SCNu16 |
1337 | ",dont_send=%"SCNu8 | |
74c4530d | 1338 | ",continuation=%"SCNu8 |
d39ec23d JP |
1339 | ",recirc_id=%"SCNu32 |
1340 | ",rule_cookie=%"SCNx64 | |
1341 | ",controller_id=%"SCNu16 | |
1342 | ",max_len=%"SCNu16")%n", | |
74c4530d JP |
1343 | &reason, &dont_send, &continuation, &recirc_id, |
1344 | &rule_cookie, &controller_id, &max_len, &n1)) { | |
d39ec23d JP |
1345 | n += n1; |
1346 | cookie.type = USER_ACTION_COOKIE_CONTROLLER; | |
1347 | cookie.ofp_in_port = OFPP_NONE; | |
1348 | cookie.ofproto_uuid = UUID_ZERO; | |
1349 | cookie.controller.dont_send = dont_send ? true : false; | |
74c4530d | 1350 | cookie.controller.continuation = continuation ? true : false; |
d39ec23d JP |
1351 | cookie.controller.reason = reason; |
1352 | cookie.controller.recirc_id = recirc_id; | |
1353 | put_32aligned_be64(&cookie.controller.rule_cookie, | |
1354 | htonll(rule_cookie)); | |
1355 | cookie.controller.controller_id = controller_id; | |
1356 | cookie.controller.max_len = max_len; | |
1357 | } else if (ovs_scan(&s[n], ",userdata(%n", &n1)) { | |
e995e3df BP |
1358 | char *end; |
1359 | ||
8b7ea2d4 | 1360 | n += n1; |
e995e3df | 1361 | end = ofpbuf_put_hex(&buf, &s[n], NULL); |
8b7ea2d4 | 1362 | if (end[0] != ')') { |
9d4e54c6 WT |
1363 | res = -EINVAL; |
1364 | goto out; | |
e995e3df | 1365 | } |
6fd6ed71 PS |
1366 | user_data = buf.data; |
1367 | user_data_size = buf.size; | |
8b7ea2d4 WZ |
1368 | n = (end + 1) - s; |
1369 | } | |
1370 | } | |
1371 | ||
7321bda3 NM |
1372 | { |
1373 | int n1 = -1; | |
1374 | if (ovs_scan(&s[n], ",actions%n", &n1)) { | |
1375 | n += n1; | |
1376 | include_actions = true; | |
1377 | } | |
1378 | } | |
1379 | ||
8b7ea2d4 WZ |
1380 | { |
1381 | int n1 = -1; | |
1382 | if (ovs_scan(&s[n], ",tunnel_out_port=%"SCNi32")%n", | |
1383 | &tunnel_out_port, &n1)) { | |
7321bda3 NM |
1384 | odp_put_userspace_action(pid, user_data, user_data_size, |
1385 | tunnel_out_port, include_actions, actions); | |
9d4e54c6 | 1386 | res = n + n1; |
88fc5281 | 1387 | goto out; |
8b7ea2d4 | 1388 | } else if (s[n] == ')') { |
7321bda3 NM |
1389 | odp_put_userspace_action(pid, user_data, user_data_size, |
1390 | ODPP_NONE, include_actions, actions); | |
9d4e54c6 | 1391 | res = n + 1; |
88fc5281 JS |
1392 | goto out; |
1393 | } | |
1394 | } | |
1395 | ||
1396 | { | |
1397 | struct ovs_action_push_eth push; | |
1398 | int eth_type = 0; | |
1399 | int n1 = -1; | |
1400 | ||
1401 | if (ovs_scan(&s[n], "push_eth(src="ETH_ADDR_SCAN_FMT"," | |
1402 | "dst="ETH_ADDR_SCAN_FMT",type=%i)%n", | |
1403 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_src), | |
1404 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_dst), | |
1405 | ð_type, &n1)) { | |
1406 | ||
1407 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_ETH, | |
1408 | &push, sizeof push); | |
1409 | ||
1410 | res = n + n1; | |
1411 | goto out; | |
8b7ea2d4 WZ |
1412 | } |
1413 | } | |
88fc5281 JS |
1414 | |
1415 | if (!strncmp(&s[n], "pop_eth", 7)) { | |
1416 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_ETH); | |
1417 | res = 7; | |
1418 | goto out; | |
1419 | } | |
1420 | ||
1421 | res = -EINVAL; | |
9d4e54c6 WT |
1422 | out: |
1423 | ofpbuf_uninit(&buf); | |
1424 | return res; | |
8b7ea2d4 WZ |
1425 | } |
1426 | ||
a36de779 PS |
1427 | static int |
1428 | ovs_parse_tnl_push(const char *s, struct ovs_action_push_tnl *data) | |
1429 | { | |
1430 | struct eth_header *eth; | |
1431 | struct ip_header *ip; | |
370e373b | 1432 | struct ovs_16aligned_ip6_hdr *ip6; |
a36de779 PS |
1433 | struct udp_header *udp; |
1434 | struct gre_base_hdr *greh; | |
7dc18ae9 WT |
1435 | struct erspan_base_hdr *ersh; |
1436 | struct erspan_md2 *md2; | |
1437 | uint16_t gre_proto, gre_flags, dl_type, udp_src, udp_dst, csum, sid; | |
a36de779 | 1438 | ovs_be32 sip, dip; |
7dc18ae9 | 1439 | uint32_t tnl_type = 0, header_len = 0, ip_len = 0, erspan_idx = 0; |
a36de779 PS |
1440 | void *l3, *l4; |
1441 | int n = 0; | |
7dc18ae9 | 1442 | uint8_t hwid, dir; |
a36de779 PS |
1443 | |
1444 | if (!ovs_scan_len(s, &n, "tnl_push(tnl_port(%"SCNi32"),", &data->tnl_port)) { | |
1445 | return -EINVAL; | |
1446 | } | |
1447 | eth = (struct eth_header *) data->header; | |
1620b7ea | 1448 | l3 = (struct ip_header *) (eth + 1); |
a36de779 | 1449 | ip = (struct ip_header *) l3; |
370e373b | 1450 | ip6 = (struct ovs_16aligned_ip6_hdr *) l3; |
a36de779 | 1451 | if (!ovs_scan_len(s, &n, "header(size=%"SCNi32",type=%"SCNi32"," |
9ac0aada JR |
1452 | "eth(dst="ETH_ADDR_SCAN_FMT",", |
1453 | &data->header_len, | |
1454 | &data->tnl_type, | |
1455 | ETH_ADDR_SCAN_ARGS(eth->eth_dst))) { | |
a36de779 PS |
1456 | return -EINVAL; |
1457 | } | |
1458 | ||
1459 | if (!ovs_scan_len(s, &n, "src="ETH_ADDR_SCAN_FMT",", | |
9ac0aada | 1460 | ETH_ADDR_SCAN_ARGS(eth->eth_src))) { |
a36de779 PS |
1461 | return -EINVAL; |
1462 | } | |
1463 | if (!ovs_scan_len(s, &n, "dl_type=0x%"SCNx16"),", &dl_type)) { | |
1464 | return -EINVAL; | |
1465 | } | |
1466 | eth->eth_type = htons(dl_type); | |
1467 | ||
370e373b TLSC |
1468 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
1469 | /* IPv4 */ | |
fa47c114 | 1470 | uint16_t ip_frag_off; |
370e373b TLSC |
1471 | if (!ovs_scan_len(s, &n, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT",proto=%"SCNi8 |
1472 | ",tos=%"SCNi8",ttl=%"SCNi8",frag=0x%"SCNx16"),", | |
1473 | IP_SCAN_ARGS(&sip), | |
1474 | IP_SCAN_ARGS(&dip), | |
1475 | &ip->ip_proto, &ip->ip_tos, | |
fa47c114 | 1476 | &ip->ip_ttl, &ip_frag_off)) { |
370e373b TLSC |
1477 | return -EINVAL; |
1478 | } | |
1479 | put_16aligned_be32(&ip->ip_src, sip); | |
1480 | put_16aligned_be32(&ip->ip_dst, dip); | |
fa47c114 | 1481 | ip->ip_frag_off = htons(ip_frag_off); |
370e373b TLSC |
1482 | ip_len = sizeof *ip; |
1483 | } else { | |
1484 | char sip6_s[IPV6_SCAN_LEN + 1]; | |
1485 | char dip6_s[IPV6_SCAN_LEN + 1]; | |
1486 | struct in6_addr sip6, dip6; | |
1487 | uint8_t tclass; | |
1488 | uint32_t label; | |
1489 | if (!ovs_scan_len(s, &n, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT | |
1490 | ",label=%i,proto=%"SCNi8",tclass=0x%"SCNx8 | |
1491 | ",hlimit=%"SCNi8"),", | |
1492 | sip6_s, dip6_s, &label, &ip6->ip6_nxt, | |
1493 | &tclass, &ip6->ip6_hlim) | |
1494 | || (label & ~IPV6_LABEL_MASK) != 0 | |
1495 | || inet_pton(AF_INET6, sip6_s, &sip6) != 1 | |
1496 | || inet_pton(AF_INET6, dip6_s, &dip6) != 1) { | |
1497 | return -EINVAL; | |
1498 | } | |
1499 | put_16aligned_be32(&ip6->ip6_flow, htonl(6 << 28) | | |
1500 | htonl(tclass << 20) | htonl(label)); | |
1501 | memcpy(&ip6->ip6_src, &sip6, sizeof(ip6->ip6_src)); | |
1502 | memcpy(&ip6->ip6_dst, &dip6, sizeof(ip6->ip6_dst)); | |
1503 | ip_len = sizeof *ip6; | |
a36de779 | 1504 | } |
a36de779 PS |
1505 | |
1506 | /* Tunnel header */ | |
370e373b | 1507 | l4 = ((uint8_t *) l3 + ip_len); |
a36de779 PS |
1508 | udp = (struct udp_header *) l4; |
1509 | greh = (struct gre_base_hdr *) l4; | |
8e45fe7c | 1510 | if (ovs_scan_len(s, &n, "udp(src=%"SCNi16",dst=%"SCNi16",csum=0x%"SCNx16"),", |
9ac0aada | 1511 | &udp_src, &udp_dst, &csum)) { |
e5a1caee | 1512 | uint32_t vx_flags, vni; |
a36de779 PS |
1513 | |
1514 | udp->udp_src = htons(udp_src); | |
1515 | udp->udp_dst = htons(udp_dst); | |
1516 | udp->udp_len = 0; | |
8e45fe7c | 1517 | udp->udp_csum = htons(csum); |
a36de779 | 1518 | |
e066f78f | 1519 | if (ovs_scan_len(s, &n, "vxlan(flags=0x%"SCNx32",vni=0x%"SCNx32"))", |
9ac0aada | 1520 | &vx_flags, &vni)) { |
e066f78f JG |
1521 | struct vxlanhdr *vxh = (struct vxlanhdr *) (udp + 1); |
1522 | ||
1523 | put_16aligned_be32(&vxh->vx_flags, htonl(vx_flags)); | |
e5a1caee | 1524 | put_16aligned_be32(&vxh->vx_vni, htonl(vni << 8)); |
e066f78f | 1525 | tnl_type = OVS_VPORT_TYPE_VXLAN; |
370e373b | 1526 | header_len = sizeof *eth + ip_len + |
e066f78f | 1527 | sizeof *udp + sizeof *vxh; |
e5a1caee JG |
1528 | } else if (ovs_scan_len(s, &n, "geneve(")) { |
1529 | struct genevehdr *gnh = (struct genevehdr *) (udp + 1); | |
1530 | ||
46e7137c | 1531 | memset(gnh, 0, sizeof *gnh); |
370e373b | 1532 | header_len = sizeof *eth + ip_len + |
5bb08b0e JG |
1533 | sizeof *udp + sizeof *gnh; |
1534 | ||
e5a1caee JG |
1535 | if (ovs_scan_len(s, &n, "oam,")) { |
1536 | gnh->oam = 1; | |
1537 | } | |
5bb08b0e JG |
1538 | if (ovs_scan_len(s, &n, "crit,")) { |
1539 | gnh->critical = 1; | |
1540 | } | |
1541 | if (!ovs_scan_len(s, &n, "vni=%"SCNi32, &vni)) { | |
e5a1caee JG |
1542 | return -EINVAL; |
1543 | } | |
5bb08b0e JG |
1544 | if (ovs_scan_len(s, &n, ",options(")) { |
1545 | struct geneve_scan options; | |
1546 | int len; | |
1547 | ||
1548 | memset(&options, 0, sizeof options); | |
1549 | len = scan_geneve(s + n, &options, NULL); | |
1550 | if (!len) { | |
1551 | return -EINVAL; | |
1552 | } | |
1553 | ||
1554 | memcpy(gnh->options, options.d, options.len); | |
1555 | gnh->opt_len = options.len / 4; | |
1556 | header_len += options.len; | |
1557 | ||
1558 | n += len; | |
1559 | } | |
1560 | if (!ovs_scan_len(s, &n, "))")) { | |
1561 | return -EINVAL; | |
1562 | } | |
1563 | ||
e5a1caee JG |
1564 | gnh->proto_type = htons(ETH_TYPE_TEB); |
1565 | put_16aligned_be32(&gnh->vni, htonl(vni << 8)); | |
1566 | tnl_type = OVS_VPORT_TYPE_GENEVE; | |
e066f78f | 1567 | } else { |
a36de779 PS |
1568 | return -EINVAL; |
1569 | } | |
a36de779 | 1570 | } else if (ovs_scan_len(s, &n, "gre((flags=0x%"SCNx16",proto=0x%"SCNx16")", |
9ac0aada | 1571 | &gre_flags, &gre_proto)){ |
a36de779 | 1572 | |
3b10ceee GR |
1573 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
1574 | tnl_type = OVS_VPORT_TYPE_GRE; | |
1575 | } else { | |
1576 | tnl_type = OVS_VPORT_TYPE_IP6GRE; | |
1577 | } | |
e8fe6ad0 | 1578 | greh->flags = htons(gre_flags); |
a36de779 PS |
1579 | greh->protocol = htons(gre_proto); |
1580 | ovs_16aligned_be32 *options = (ovs_16aligned_be32 *) (greh + 1); | |
1581 | ||
1582 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 1583 | if (!ovs_scan_len(s, &n, ",csum=0x%"SCNx16, &csum)) { |
a36de779 PS |
1584 | return -EINVAL; |
1585 | } | |
d804d31e JG |
1586 | |
1587 | memset(options, 0, sizeof *options); | |
1588 | *((ovs_be16 *)options) = htons(csum); | |
a36de779 PS |
1589 | options++; |
1590 | } | |
1591 | if (greh->flags & htons(GRE_KEY)) { | |
1592 | uint32_t key; | |
1593 | ||
1594 | if (!ovs_scan_len(s, &n, ",key=0x%"SCNx32, &key)) { | |
1595 | return -EINVAL; | |
1596 | } | |
1597 | ||
1598 | put_16aligned_be32(options, htonl(key)); | |
1599 | options++; | |
1600 | } | |
1601 | if (greh->flags & htons(GRE_SEQ)) { | |
1602 | uint32_t seq; | |
1603 | ||
1604 | if (!ovs_scan_len(s, &n, ",seq=0x%"SCNx32, &seq)) { | |
1605 | return -EINVAL; | |
1606 | } | |
1607 | put_16aligned_be32(options, htonl(seq)); | |
1608 | options++; | |
1609 | } | |
1610 | ||
1611 | if (!ovs_scan_len(s, &n, "))")) { | |
1612 | return -EINVAL; | |
1613 | } | |
1614 | ||
370e373b | 1615 | header_len = sizeof *eth + ip_len + |
a36de779 | 1616 | ((uint8_t *) options - (uint8_t *) greh); |
7dc18ae9 WT |
1617 | } else if (ovs_scan_len(s, &n, "erspan(ver=1,sid="SCNx16",idx=0x"SCNx32")", |
1618 | &sid, &erspan_idx)) { | |
1619 | ersh = ERSPAN_HDR(greh); | |
1620 | ovs_16aligned_be32 *index = ALIGNED_CAST(ovs_16aligned_be32 *, | |
1621 | ersh + 1); | |
1622 | ||
1623 | if (eth->eth_type == htons(ETH_TYPE_IP)) { | |
1624 | tnl_type = OVS_VPORT_TYPE_ERSPAN; | |
1625 | } else { | |
1626 | tnl_type = OVS_VPORT_TYPE_IP6ERSPAN; | |
1627 | } | |
1628 | ||
1629 | greh->flags = htons(GRE_SEQ); | |
1630 | greh->protocol = htons(ETH_TYPE_ERSPAN1); | |
1631 | ||
1632 | ersh->ver = 1; | |
1633 | set_sid(ersh, sid); | |
1634 | put_16aligned_be32(index, htonl(erspan_idx)); | |
1635 | ||
1636 | if (!ovs_scan_len(s, &n, ")")) { | |
1637 | return -EINVAL; | |
1638 | } | |
1639 | header_len = sizeof *eth + ip_len + ERSPAN_GREHDR_LEN + | |
1640 | sizeof *ersh + ERSPAN_V1_MDSIZE; | |
1641 | ||
1642 | } else if (ovs_scan_len(s, &n, "erspan(ver=2,sid="SCNx16"dir="SCNu8 | |
1643 | ",hwid=0x"SCNx8")", &sid, &dir, &hwid)) { | |
1644 | ||
1645 | ersh = ERSPAN_HDR(greh); | |
1646 | md2 = ALIGNED_CAST(struct erspan_md2 *, ersh + 1); | |
1647 | ||
1648 | if (eth->eth_type == htons(ETH_TYPE_IP)) { | |
1649 | tnl_type = OVS_VPORT_TYPE_ERSPAN; | |
1650 | } else { | |
1651 | tnl_type = OVS_VPORT_TYPE_IP6ERSPAN; | |
1652 | } | |
1653 | ||
1654 | greh->flags = htons(GRE_SEQ); | |
1655 | greh->protocol = htons(ETH_TYPE_ERSPAN2); | |
1656 | ||
1657 | ersh->ver = 2; | |
1658 | set_sid(ersh, sid); | |
1659 | set_hwid(md2, hwid); | |
1660 | md2->dir = dir; | |
1661 | ||
1662 | if (!ovs_scan_len(s, &n, ")")) { | |
1663 | return -EINVAL; | |
1664 | } | |
1665 | ||
1666 | header_len = sizeof *eth + ip_len + ERSPAN_GREHDR_LEN + | |
1667 | sizeof *ersh + ERSPAN_V2_MDSIZE; | |
a36de779 PS |
1668 | } else { |
1669 | return -EINVAL; | |
1670 | } | |
1671 | ||
1672 | /* check tunnel meta data. */ | |
1673 | if (data->tnl_type != tnl_type) { | |
1674 | return -EINVAL; | |
1675 | } | |
1676 | if (data->header_len != header_len) { | |
1677 | return -EINVAL; | |
1678 | } | |
1679 | ||
1680 | /* Out port */ | |
1681 | if (!ovs_scan_len(s, &n, ",out_port(%"SCNi32"))", &data->out_port)) { | |
1682 | return -EINVAL; | |
1683 | } | |
1684 | ||
1685 | return n; | |
1686 | } | |
1687 | ||
9ac0aada JR |
1688 | struct ct_nat_params { |
1689 | bool snat; | |
1690 | bool dnat; | |
1691 | size_t addr_len; | |
1692 | union { | |
1693 | ovs_be32 ip; | |
1694 | struct in6_addr ip6; | |
1695 | } addr_min; | |
1696 | union { | |
1697 | ovs_be32 ip; | |
1698 | struct in6_addr ip6; | |
1699 | } addr_max; | |
1700 | uint16_t proto_min; | |
1701 | uint16_t proto_max; | |
1702 | bool persistent; | |
1703 | bool proto_hash; | |
1704 | bool proto_random; | |
1705 | }; | |
1706 | ||
1707 | static int | |
1708 | scan_ct_nat_range(const char *s, int *n, struct ct_nat_params *p) | |
1709 | { | |
1710 | if (ovs_scan_len(s, n, "=")) { | |
1711 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
1712 | struct in6_addr ipv6; | |
1713 | ||
1714 | if (ovs_scan_len(s, n, IP_SCAN_FMT, IP_SCAN_ARGS(&p->addr_min.ip))) { | |
1715 | p->addr_len = sizeof p->addr_min.ip; | |
1716 | if (ovs_scan_len(s, n, "-")) { | |
1717 | if (!ovs_scan_len(s, n, IP_SCAN_FMT, | |
1718 | IP_SCAN_ARGS(&p->addr_max.ip))) { | |
1719 | return -EINVAL; | |
1720 | } | |
1721 | } | |
1722 | } else if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1723 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1724 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1725 | p->addr_len = sizeof p->addr_min.ip6; | |
1726 | p->addr_min.ip6 = ipv6; | |
1727 | if (ovs_scan_len(s, n, "-")) { | |
1728 | if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1729 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1730 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1731 | p->addr_max.ip6 = ipv6; | |
1732 | } else { | |
1733 | return -EINVAL; | |
1734 | } | |
1735 | } | |
1736 | } else { | |
1737 | return -EINVAL; | |
1738 | } | |
1739 | if (ovs_scan_len(s, n, ":%"SCNu16, &p->proto_min)) { | |
1740 | if (ovs_scan_len(s, n, "-")) { | |
1741 | if (!ovs_scan_len(s, n, "%"SCNu16, &p->proto_max)) { | |
1742 | return -EINVAL; | |
1743 | } | |
1744 | } | |
1745 | } | |
1746 | } | |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | static int | |
1751 | scan_ct_nat(const char *s, struct ct_nat_params *p) | |
1752 | { | |
1753 | int n = 0; | |
1754 | ||
1755 | if (ovs_scan_len(s, &n, "nat")) { | |
1756 | memset(p, 0, sizeof *p); | |
1757 | ||
1758 | if (ovs_scan_len(s, &n, "(")) { | |
1759 | char *end; | |
1760 | int end_n; | |
1761 | ||
1762 | end = strchr(s + n, ')'); | |
1763 | if (!end) { | |
1764 | return -EINVAL; | |
1765 | } | |
1766 | end_n = end - s; | |
1767 | ||
1768 | while (n < end_n) { | |
1769 | n += strspn(s + n, delimiters); | |
1770 | if (ovs_scan_len(s, &n, "src")) { | |
1771 | int err = scan_ct_nat_range(s, &n, p); | |
1772 | if (err) { | |
1773 | return err; | |
1774 | } | |
1775 | p->snat = true; | |
1776 | continue; | |
1777 | } | |
1778 | if (ovs_scan_len(s, &n, "dst")) { | |
1779 | int err = scan_ct_nat_range(s, &n, p); | |
1780 | if (err) { | |
1781 | return err; | |
1782 | } | |
1783 | p->dnat = true; | |
1784 | continue; | |
1785 | } | |
1786 | if (ovs_scan_len(s, &n, "persistent")) { | |
1787 | p->persistent = true; | |
1788 | continue; | |
1789 | } | |
1790 | if (ovs_scan_len(s, &n, "hash")) { | |
1791 | p->proto_hash = true; | |
1792 | continue; | |
1793 | } | |
1794 | if (ovs_scan_len(s, &n, "random")) { | |
1795 | p->proto_random = true; | |
1796 | continue; | |
1797 | } | |
1798 | return -EINVAL; | |
1799 | } | |
1800 | ||
1801 | if (p->snat && p->dnat) { | |
1802 | return -EINVAL; | |
1803 | } | |
1804 | if ((p->addr_len != 0 && | |
1805 | memcmp(&p->addr_max, &in6addr_any, p->addr_len) && | |
1806 | memcmp(&p->addr_max, &p->addr_min, p->addr_len) < 0) || | |
1807 | (p->proto_max && p->proto_max < p->proto_min)) { | |
1808 | return -EINVAL; | |
1809 | } | |
1810 | if (p->proto_hash && p->proto_random) { | |
1811 | return -EINVAL; | |
1812 | } | |
1813 | n++; | |
1814 | } | |
1815 | } | |
1816 | return n; | |
1817 | } | |
1818 | ||
1819 | static void | |
1820 | nl_msg_put_ct_nat(struct ct_nat_params *p, struct ofpbuf *actions) | |
1821 | { | |
1822 | size_t start = nl_msg_start_nested(actions, OVS_CT_ATTR_NAT); | |
1823 | ||
1824 | if (p->snat) { | |
1825 | nl_msg_put_flag(actions, OVS_NAT_ATTR_SRC); | |
1826 | } else if (p->dnat) { | |
1827 | nl_msg_put_flag(actions, OVS_NAT_ATTR_DST); | |
1828 | } else { | |
1829 | goto out; | |
1830 | } | |
1831 | if (p->addr_len != 0) { | |
1832 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MIN, &p->addr_min, | |
1833 | p->addr_len); | |
1834 | if (memcmp(&p->addr_max, &p->addr_min, p->addr_len) > 0) { | |
1835 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MAX, &p->addr_max, | |
1836 | p->addr_len); | |
1837 | } | |
1838 | if (p->proto_min) { | |
1839 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MIN, p->proto_min); | |
1840 | if (p->proto_max && p->proto_max > p->proto_min) { | |
1841 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MAX, p->proto_max); | |
1842 | } | |
1843 | } | |
1844 | if (p->persistent) { | |
1845 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PERSISTENT); | |
1846 | } | |
1847 | if (p->proto_hash) { | |
1848 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_HASH); | |
1849 | } | |
1850 | if (p->proto_random) { | |
1851 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_RANDOM); | |
1852 | } | |
1853 | } | |
1854 | out: | |
1855 | nl_msg_end_nested(actions, start); | |
1856 | } | |
1857 | ||
07659514 JS |
1858 | static int |
1859 | parse_conntrack_action(const char *s_, struct ofpbuf *actions) | |
1860 | { | |
1861 | const char *s = s_; | |
1862 | ||
1863 | if (ovs_scan(s, "ct")) { | |
d787ad39 JS |
1864 | const char *helper = NULL; |
1865 | size_t helper_len = 0; | |
07659514 | 1866 | bool commit = false; |
a76a37ef | 1867 | bool force_commit = false; |
07659514 | 1868 | uint16_t zone = 0; |
8e53fe8c JS |
1869 | struct { |
1870 | uint32_t value; | |
1871 | uint32_t mask; | |
1872 | } ct_mark = { 0, 0 }; | |
9daf2348 JS |
1873 | struct { |
1874 | ovs_u128 value; | |
1875 | ovs_u128 mask; | |
1876 | } ct_label; | |
9ac0aada JR |
1877 | struct ct_nat_params nat_params; |
1878 | bool have_nat = false; | |
07659514 JS |
1879 | size_t start; |
1880 | char *end; | |
1881 | ||
9daf2348 JS |
1882 | memset(&ct_label, 0, sizeof(ct_label)); |
1883 | ||
07659514 JS |
1884 | s += 2; |
1885 | if (ovs_scan(s, "(")) { | |
1886 | s++; | |
9ac0aada | 1887 | find_end: |
07659514 JS |
1888 | end = strchr(s, ')'); |
1889 | if (!end) { | |
1890 | return -EINVAL; | |
1891 | } | |
1892 | ||
1893 | while (s != end) { | |
9ac0aada | 1894 | int n; |
07659514 JS |
1895 | |
1896 | s += strspn(s, delimiters); | |
1897 | if (ovs_scan(s, "commit%n", &n)) { | |
1898 | commit = true; | |
1899 | s += n; | |
1900 | continue; | |
1901 | } | |
a76a37ef JR |
1902 | if (ovs_scan(s, "force_commit%n", &n)) { |
1903 | force_commit = true; | |
1904 | s += n; | |
1905 | continue; | |
1906 | } | |
07659514 JS |
1907 | if (ovs_scan(s, "zone=%"SCNu16"%n", &zone, &n)) { |
1908 | s += n; | |
1909 | continue; | |
1910 | } | |
8e53fe8c JS |
1911 | if (ovs_scan(s, "mark=%"SCNx32"%n", &ct_mark.value, &n)) { |
1912 | s += n; | |
1913 | n = -1; | |
1914 | if (ovs_scan(s, "/%"SCNx32"%n", &ct_mark.mask, &n)) { | |
1915 | s += n; | |
1916 | } else { | |
1917 | ct_mark.mask = UINT32_MAX; | |
1918 | } | |
1919 | continue; | |
1920 | } | |
9daf2348 JS |
1921 | if (ovs_scan(s, "label=%n", &n)) { |
1922 | int retval; | |
1923 | ||
1924 | s += n; | |
1925 | retval = scan_u128(s, &ct_label.value, &ct_label.mask); | |
4e9c96f0 YS |
1926 | if (retval == 0) { |
1927 | return -EINVAL; | |
9daf2348 JS |
1928 | } |
1929 | s += retval; | |
1930 | continue; | |
1931 | } | |
d787ad39 JS |
1932 | if (ovs_scan(s, "helper=%n", &n)) { |
1933 | s += n; | |
1934 | helper_len = strcspn(s, delimiters_end); | |
1935 | if (!helper_len || helper_len > 15) { | |
1936 | return -EINVAL; | |
1937 | } | |
1938 | helper = s; | |
1939 | s += helper_len; | |
1940 | continue; | |
1941 | } | |
07659514 | 1942 | |
9ac0aada JR |
1943 | n = scan_ct_nat(s, &nat_params); |
1944 | if (n > 0) { | |
1945 | s += n; | |
1946 | have_nat = true; | |
1947 | ||
1948 | /* end points to the end of the nested, nat action. | |
1949 | * find the real end. */ | |
1950 | goto find_end; | |
1951 | } | |
1952 | /* Nothing matched. */ | |
07659514 JS |
1953 | return -EINVAL; |
1954 | } | |
1955 | s++; | |
1956 | } | |
a76a37ef JR |
1957 | if (commit && force_commit) { |
1958 | return -EINVAL; | |
1959 | } | |
07659514 JS |
1960 | |
1961 | start = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CT); | |
1962 | if (commit) { | |
1963 | nl_msg_put_flag(actions, OVS_CT_ATTR_COMMIT); | |
a76a37ef JR |
1964 | } else if (force_commit) { |
1965 | nl_msg_put_flag(actions, OVS_CT_ATTR_FORCE_COMMIT); | |
07659514 JS |
1966 | } |
1967 | if (zone) { | |
1968 | nl_msg_put_u16(actions, OVS_CT_ATTR_ZONE, zone); | |
1969 | } | |
8e53fe8c JS |
1970 | if (ct_mark.mask) { |
1971 | nl_msg_put_unspec(actions, OVS_CT_ATTR_MARK, &ct_mark, | |
1972 | sizeof(ct_mark)); | |
1973 | } | |
2ff8484b | 1974 | if (!ovs_u128_is_zero(ct_label.mask)) { |
9daf2348 JS |
1975 | nl_msg_put_unspec(actions, OVS_CT_ATTR_LABELS, &ct_label, |
1976 | sizeof ct_label); | |
1977 | } | |
d787ad39 JS |
1978 | if (helper) { |
1979 | nl_msg_put_string__(actions, OVS_CT_ATTR_HELPER, helper, | |
1980 | helper_len); | |
1981 | } | |
9ac0aada JR |
1982 | if (have_nat) { |
1983 | nl_msg_put_ct_nat(&nat_params, actions); | |
1984 | } | |
07659514 JS |
1985 | nl_msg_end_nested(actions, start); |
1986 | } | |
1987 | ||
1988 | return s - s_; | |
1989 | } | |
1990 | ||
f59cb331 | 1991 | static void |
17553f27 | 1992 | nsh_key_to_attr(struct ofpbuf *buf, const struct ovs_key_nsh *nsh, |
f59cb331 YY |
1993 | uint8_t * metadata, size_t md_size, |
1994 | bool is_mask) | |
1995 | { | |
1996 | size_t nsh_key_ofs; | |
1997 | struct ovs_nsh_key_base base; | |
1998 | ||
1999 | base.flags = nsh->flags; | |
17553f27 | 2000 | base.ttl = nsh->ttl; |
f59cb331 YY |
2001 | base.mdtype = nsh->mdtype; |
2002 | base.np = nsh->np; | |
17553f27 | 2003 | base.path_hdr = nsh->path_hdr; |
f59cb331 YY |
2004 | |
2005 | nsh_key_ofs = nl_msg_start_nested(buf, OVS_KEY_ATTR_NSH); | |
2006 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_BASE, &base, sizeof base); | |
2007 | ||
2008 | if (is_mask) { | |
2009 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD1, nsh->context, | |
2010 | sizeof nsh->context); | |
2011 | } else { | |
2012 | switch (nsh->mdtype) { | |
2013 | case NSH_M_TYPE1: | |
2014 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD1, nsh->context, | |
2015 | sizeof nsh->context); | |
2016 | break; | |
2017 | case NSH_M_TYPE2: | |
2018 | if (metadata && md_size > 0) { | |
2019 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD2, metadata, | |
2020 | md_size); | |
2021 | } | |
2022 | break; | |
2023 | default: | |
2024 | /* No match support for other MD formats yet. */ | |
2025 | break; | |
2026 | } | |
2027 | } | |
2028 | nl_msg_end_nested(buf, nsh_key_ofs); | |
2029 | } | |
2030 | ||
2031 | ||
1fc11c59 | 2032 | static int |
f59cb331 | 2033 | parse_odp_push_nsh_action(const char *s, struct ofpbuf *actions) |
1fc11c59 JS |
2034 | { |
2035 | int n = 0; | |
2036 | int ret = 0; | |
f59cb331 | 2037 | uint32_t spi = 0; |
17553f27 | 2038 | uint8_t si = 255; |
1fc11c59 | 2039 | uint32_t cd; |
17553f27 | 2040 | struct ovs_key_nsh nsh; |
f59cb331 YY |
2041 | uint8_t metadata[NSH_CTX_HDRS_MAX_LEN]; |
2042 | uint8_t md_size = 0; | |
1fc11c59 | 2043 | |
f59cb331 | 2044 | if (!ovs_scan_len(s, &n, "push_nsh(")) { |
1fc11c59 JS |
2045 | ret = -EINVAL; |
2046 | goto out; | |
2047 | } | |
2048 | ||
2049 | /* The default is NSH_M_TYPE1 */ | |
f59cb331 | 2050 | nsh.flags = 0; |
17553f27 | 2051 | nsh.ttl = 63; |
f59cb331 YY |
2052 | nsh.mdtype = NSH_M_TYPE1; |
2053 | nsh.np = NSH_P_ETHERNET; | |
17553f27 | 2054 | nsh.path_hdr = nsh_spi_si_to_path_hdr(0, 255); |
f59cb331 | 2055 | memset(nsh.context, 0, NSH_M_TYPE1_MDLEN); |
1fc11c59 JS |
2056 | |
2057 | for (;;) { | |
2058 | n += strspn(s + n, delimiters); | |
2059 | if (s[n] == ')') { | |
2060 | break; | |
2061 | } | |
2062 | ||
f59cb331 | 2063 | if (ovs_scan_len(s, &n, "flags=%"SCNi8, &nsh.flags)) { |
1fc11c59 JS |
2064 | continue; |
2065 | } | |
17553f27 YY |
2066 | if (ovs_scan_len(s, &n, "ttl=%"SCNi8, &nsh.ttl)) { |
2067 | continue; | |
2068 | } | |
f59cb331 YY |
2069 | if (ovs_scan_len(s, &n, "mdtype=%"SCNi8, &nsh.mdtype)) { |
2070 | switch (nsh.mdtype) { | |
1fc11c59 JS |
2071 | case NSH_M_TYPE1: |
2072 | /* This is the default format. */; | |
2073 | break; | |
2074 | case NSH_M_TYPE2: | |
2075 | /* Length will be updated later. */ | |
f59cb331 | 2076 | md_size = 0; |
1fc11c59 JS |
2077 | break; |
2078 | default: | |
2079 | ret = -EINVAL; | |
2080 | goto out; | |
2081 | } | |
2082 | continue; | |
2083 | } | |
f59cb331 | 2084 | if (ovs_scan_len(s, &n, "np=%"SCNi8, &nsh.np)) { |
1fc11c59 JS |
2085 | continue; |
2086 | } | |
2087 | if (ovs_scan_len(s, &n, "spi=0x%"SCNx32, &spi)) { | |
1fc11c59 JS |
2088 | continue; |
2089 | } | |
17553f27 | 2090 | if (ovs_scan_len(s, &n, "si=%"SCNi8, &si)) { |
1fc11c59 JS |
2091 | continue; |
2092 | } | |
f59cb331 | 2093 | if (nsh.mdtype == NSH_M_TYPE1) { |
1fc11c59 | 2094 | if (ovs_scan_len(s, &n, "c1=0x%"SCNx32, &cd)) { |
f59cb331 | 2095 | nsh.context[0] = htonl(cd); |
1fc11c59 JS |
2096 | continue; |
2097 | } | |
2098 | if (ovs_scan_len(s, &n, "c2=0x%"SCNx32, &cd)) { | |
f59cb331 | 2099 | nsh.context[1] = htonl(cd); |
1fc11c59 JS |
2100 | continue; |
2101 | } | |
2102 | if (ovs_scan_len(s, &n, "c3=0x%"SCNx32, &cd)) { | |
f59cb331 | 2103 | nsh.context[2] = htonl(cd); |
1fc11c59 JS |
2104 | continue; |
2105 | } | |
2106 | if (ovs_scan_len(s, &n, "c4=0x%"SCNx32, &cd)) { | |
f59cb331 | 2107 | nsh.context[3] = htonl(cd); |
1fc11c59 JS |
2108 | continue; |
2109 | } | |
2110 | } | |
f59cb331 | 2111 | else if (nsh.mdtype == NSH_M_TYPE2) { |
1fc11c59 JS |
2112 | struct ofpbuf b; |
2113 | char buf[512]; | |
7edef47b | 2114 | size_t mdlen, padding; |
33a3ee6b YS |
2115 | if (ovs_scan_len(s, &n, "md2=0x%511[0-9a-fA-F]", buf) |
2116 | && n/2 <= sizeof metadata) { | |
2117 | ofpbuf_use_stub(&b, metadata, sizeof metadata); | |
1fc11c59 | 2118 | ofpbuf_put_hex(&b, buf, &mdlen); |
7edef47b JS |
2119 | /* Pad metadata to 4 bytes. */ |
2120 | padding = PAD_SIZE(mdlen, 4); | |
2121 | if (padding > 0) { | |
2e38f13d | 2122 | ofpbuf_put_zeros(&b, padding); |
7edef47b | 2123 | } |
f59cb331 | 2124 | md_size = mdlen + padding; |
1fc11c59 | 2125 | ofpbuf_uninit(&b); |
99cf9959 | 2126 | continue; |
1fc11c59 | 2127 | } |
1fc11c59 | 2128 | } |
0884990e BP |
2129 | |
2130 | ret = -EINVAL; | |
2131 | goto out; | |
1fc11c59 JS |
2132 | } |
2133 | out: | |
f59cb331 | 2134 | if (ret >= 0) { |
17553f27 | 2135 | nsh.path_hdr = nsh_spi_si_to_path_hdr(spi, si); |
f59cb331 YY |
2136 | size_t offset = nl_msg_start_nested(actions, OVS_ACTION_ATTR_PUSH_NSH); |
2137 | nsh_key_to_attr(actions, &nsh, metadata, md_size, false); | |
2138 | nl_msg_end_nested(actions, offset); | |
2139 | ret = n; | |
1fc11c59 | 2140 | } |
f59cb331 | 2141 | return ret; |
1fc11c59 JS |
2142 | } |
2143 | ||
c37f7135 AZ |
2144 | static int |
2145 | parse_action_list(const char *s, const struct simap *port_names, | |
2146 | struct ofpbuf *actions) | |
2147 | { | |
2148 | int n = 0; | |
2149 | ||
2150 | for (;;) { | |
2151 | int retval; | |
2152 | ||
2153 | n += strspn(s + n, delimiters); | |
2154 | if (s[n] == ')') { | |
2155 | break; | |
2156 | } | |
2157 | retval = parse_odp_action(s + n, port_names, actions); | |
2158 | if (retval < 0) { | |
2159 | return retval; | |
2160 | } | |
2161 | n += retval; | |
2162 | } | |
2163 | ||
2164 | return n; | |
2165 | } | |
2166 | ||
8b7ea2d4 WZ |
2167 | static int |
2168 | parse_odp_action(const char *s, const struct simap *port_names, | |
2169 | struct ofpbuf *actions) | |
2170 | { | |
2171 | { | |
2172 | uint32_t port; | |
2173 | int n; | |
2174 | ||
2175 | if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) { | |
2176 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); | |
2177 | return n; | |
7202cbe5 BP |
2178 | } |
2179 | } | |
2180 | ||
aaca4fe0 WT |
2181 | { |
2182 | uint32_t max_len; | |
2183 | int n; | |
2184 | ||
2185 | if (ovs_scan(s, "trunc(%"SCNi32")%n", &max_len, &n)) { | |
2186 | struct ovs_action_trunc *trunc; | |
2187 | ||
2188 | trunc = nl_msg_put_unspec_uninit(actions, | |
2189 | OVS_ACTION_ATTR_TRUNC, sizeof *trunc); | |
2190 | trunc->max_len = max_len; | |
2191 | return n; | |
2192 | } | |
2193 | } | |
2194 | ||
8b7ea2d4 WZ |
2195 | if (port_names) { |
2196 | int len = strcspn(s, delimiters); | |
2197 | struct simap_node *node; | |
2198 | ||
2199 | node = simap_find_len(port_names, s, len); | |
2200 | if (node) { | |
2201 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); | |
2202 | return len; | |
2203 | } | |
2204 | } | |
2205 | ||
d73803ca DDP |
2206 | { |
2207 | uint32_t recirc_id; | |
2208 | int n = -1; | |
2209 | ||
2210 | if (ovs_scan(s, "recirc(%"PRIu32")%n", &recirc_id, &n)) { | |
2211 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_RECIRC, recirc_id); | |
2212 | return n; | |
2213 | } | |
2214 | } | |
2215 | ||
8b7ea2d4 WZ |
2216 | if (!strncmp(s, "userspace(", 10)) { |
2217 | return parse_odp_userspace_action(s, actions); | |
2218 | } | |
2219 | ||
7202cbe5 BP |
2220 | if (!strncmp(s, "set(", 4)) { |
2221 | size_t start_ofs; | |
2222 | int retval; | |
c34a5515 BP |
2223 | struct nlattr mask[1024 / sizeof(struct nlattr)]; |
2224 | struct ofpbuf maskbuf = OFPBUF_STUB_INITIALIZER(mask); | |
6d670e7f JR |
2225 | struct nlattr *nested, *key; |
2226 | size_t size; | |
ac20d3fe YS |
2227 | struct parse_odp_context context = (struct parse_odp_context) { |
2228 | .port_names = port_names, | |
2229 | }; | |
6d670e7f | 2230 | |
7202cbe5 | 2231 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); |
ac20d3fe | 2232 | retval = parse_odp_key_mask_attr(&context, s + 4, actions, &maskbuf); |
7202cbe5 | 2233 | if (retval < 0) { |
c34a5515 | 2234 | ofpbuf_uninit(&maskbuf); |
7202cbe5 BP |
2235 | return retval; |
2236 | } | |
2237 | if (s[retval + 4] != ')') { | |
c34a5515 | 2238 | ofpbuf_uninit(&maskbuf); |
7202cbe5 BP |
2239 | return -EINVAL; |
2240 | } | |
6d670e7f JR |
2241 | |
2242 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
2243 | key = nested + 1; | |
2244 | ||
2245 | size = nl_attr_get_size(mask); | |
2246 | if (size == nl_attr_get_size(key)) { | |
2247 | /* Change to masked set action if not fully masked. */ | |
53cb9c3e | 2248 | if (!is_all_ones(mask + 1, size)) { |
34ed68a6 PB |
2249 | /* Remove padding of eariler key payload */ |
2250 | actions->size -= NLA_ALIGN(key->nla_len) - key->nla_len; | |
2251 | ||
2252 | /* Put mask payload right after key payload */ | |
6d670e7f JR |
2253 | key->nla_len += size; |
2254 | ofpbuf_put(actions, mask + 1, size); | |
34ed68a6 | 2255 | |
6d670e7f JR |
2256 | /* 'actions' may have been reallocated by ofpbuf_put(). */ |
2257 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
2258 | nested->nla_type = OVS_ACTION_ATTR_SET_MASKED; | |
2c022949 YS |
2259 | |
2260 | key = nested + 1; | |
2261 | /* Add new padding as needed */ | |
2262 | ofpbuf_put_zeros(actions, NLA_ALIGN(key->nla_len) - | |
2263 | key->nla_len); | |
6d670e7f JR |
2264 | } |
2265 | } | |
c34a5515 | 2266 | ofpbuf_uninit(&maskbuf); |
6d670e7f | 2267 | |
7202cbe5 BP |
2268 | nl_msg_end_nested(actions, start_ofs); |
2269 | return retval + 5; | |
2270 | } | |
2271 | ||
becffb86 BP |
2272 | { |
2273 | struct ovs_action_push_vlan push; | |
2274 | int tpid = ETH_TYPE_VLAN; | |
2275 | int vid, pcp; | |
2276 | int cfi = 1; | |
2277 | int n = -1; | |
7202cbe5 | 2278 | |
c2c28dfd BP |
2279 | if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) |
2280 | || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
2281 | &vid, &pcp, &cfi, &n) | |
2282 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
2283 | &tpid, &vid, &pcp, &n) | |
2284 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
2285 | &tpid, &vid, &pcp, &cfi, &n)) { | |
1a47405b YS |
2286 | if ((vid & ~(VLAN_VID_MASK >> VLAN_VID_SHIFT)) != 0 |
2287 | || (pcp & ~(VLAN_PCP_MASK >> VLAN_PCP_SHIFT)) != 0) { | |
2288 | return -EINVAL; | |
2289 | } | |
becffb86 BP |
2290 | push.vlan_tpid = htons(tpid); |
2291 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
2292 | | (pcp << VLAN_PCP_SHIFT) | |
2293 | | (cfi ? VLAN_CFI : 0)); | |
2294 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
2295 | &push, sizeof push); | |
2296 | ||
2297 | return n; | |
7202cbe5 | 2298 | } |
7202cbe5 BP |
2299 | } |
2300 | ||
becffb86 BP |
2301 | if (!strncmp(s, "pop_vlan", 8)) { |
2302 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
2303 | return 8; | |
7202cbe5 BP |
2304 | } |
2305 | ||
5dddf960 JR |
2306 | { |
2307 | unsigned long long int meter_id; | |
2308 | int n = -1; | |
2309 | ||
2310 | if (sscanf(s, "meter(%lli)%n", &meter_id, &n) > 0 && n > 0) { | |
2311 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_METER, meter_id); | |
2312 | return n; | |
2313 | } | |
2314 | } | |
2315 | ||
7202cbe5 BP |
2316 | { |
2317 | double percentage; | |
2318 | int n = -1; | |
2319 | ||
c2c28dfd BP |
2320 | if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) |
2321 | && percentage >= 0. && percentage <= 100.0) { | |
7202cbe5 BP |
2322 | size_t sample_ofs, actions_ofs; |
2323 | double probability; | |
2324 | ||
2325 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
2326 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
2327 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
2328 | (probability <= 0 ? 0 | |
2329 | : probability >= UINT32_MAX ? UINT32_MAX | |
2330 | : probability)); | |
2331 | ||
2332 | actions_ofs = nl_msg_start_nested(actions, | |
2333 | OVS_SAMPLE_ATTR_ACTIONS); | |
c37f7135 AZ |
2334 | int retval = parse_action_list(s + n, port_names, actions); |
2335 | if (retval < 0) | |
2336 | return retval; | |
7202cbe5 | 2337 | |
c37f7135 | 2338 | n += retval; |
7202cbe5 BP |
2339 | nl_msg_end_nested(actions, actions_ofs); |
2340 | nl_msg_end_nested(actions, sample_ofs); | |
2341 | ||
2342 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
2343 | } | |
2344 | } | |
2345 | ||
c37f7135 AZ |
2346 | { |
2347 | if (!strncmp(s, "clone(", 6)) { | |
2348 | size_t actions_ofs; | |
2349 | int n = 6; | |
2350 | ||
2351 | actions_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CLONE); | |
2352 | int retval = parse_action_list(s + n, port_names, actions); | |
2353 | if (retval < 0) { | |
2354 | return retval; | |
2355 | } | |
2356 | n += retval; | |
2357 | nl_msg_end_nested(actions, actions_ofs); | |
2358 | return n + 1; | |
2359 | } | |
2360 | } | |
2361 | ||
1fc11c59 | 2362 | { |
f59cb331 YY |
2363 | if (!strncmp(s, "push_nsh(", 9)) { |
2364 | int retval = parse_odp_push_nsh_action(s, actions); | |
1fc11c59 JS |
2365 | if (retval < 0) { |
2366 | return retval; | |
2367 | } | |
2368 | return retval + 1; | |
2369 | } | |
2370 | } | |
2371 | ||
2372 | { | |
2373 | int n; | |
f59cb331 YY |
2374 | if (ovs_scan(s, "pop_nsh()%n", &n)) { |
2375 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_NSH); | |
1fc11c59 JS |
2376 | return n; |
2377 | } | |
2378 | } | |
2379 | ||
a36de779 PS |
2380 | { |
2381 | uint32_t port; | |
2382 | int n; | |
2383 | ||
2384 | if (ovs_scan(s, "tnl_pop(%"SCNi32")%n", &port, &n)) { | |
2385 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_TUNNEL_POP, port); | |
2386 | return n; | |
2387 | } | |
2388 | } | |
2389 | ||
1fe178d2 EG |
2390 | { |
2391 | if (!strncmp(s, "ct_clear", 8)) { | |
2392 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_CT_CLEAR); | |
2393 | return 8; | |
2394 | } | |
2395 | } | |
2396 | ||
07659514 JS |
2397 | { |
2398 | int retval; | |
2399 | ||
2400 | retval = parse_conntrack_action(s, actions); | |
2401 | if (retval) { | |
2402 | return retval; | |
2403 | } | |
2404 | } | |
2405 | ||
a36de779 PS |
2406 | { |
2407 | struct ovs_action_push_tnl data; | |
2408 | int n; | |
2409 | ||
2410 | n = ovs_parse_tnl_push(s, &data); | |
2411 | if (n > 0) { | |
2412 | odp_put_tnl_push_action(actions, &data); | |
2413 | return n; | |
2414 | } else if (n < 0) { | |
2415 | return n; | |
2416 | } | |
2417 | } | |
7202cbe5 BP |
2418 | return -EINVAL; |
2419 | } | |
2420 | ||
2421 | /* Parses the string representation of datapath actions, in the format output | |
2422 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
2423 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
2424 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
2425 | * way, 'actions''s data might be reallocated. */ | |
2426 | int | |
44bac24b | 2427 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
2428 | struct ofpbuf *actions) |
2429 | { | |
2430 | size_t old_size; | |
2431 | ||
2432 | if (!strcasecmp(s, "drop")) { | |
2433 | return 0; | |
2434 | } | |
2435 | ||
6fd6ed71 | 2436 | old_size = actions->size; |
7202cbe5 BP |
2437 | for (;;) { |
2438 | int retval; | |
2439 | ||
2440 | s += strspn(s, delimiters); | |
2441 | if (!*s) { | |
2442 | return 0; | |
2443 | } | |
2444 | ||
2445 | retval = parse_odp_action(s, port_names, actions); | |
2446 | if (retval < 0 || !strchr(delimiters, s[retval])) { | |
6fd6ed71 | 2447 | actions->size = old_size; |
7202cbe5 BP |
2448 | return -retval; |
2449 | } | |
2450 | s += retval; | |
2451 | } | |
2452 | ||
2453 | return 0; | |
2454 | } | |
14608a15 | 2455 | \f |
6b8da9e9 JG |
2456 | static const struct attr_len_tbl ovs_vxlan_ext_attr_lens[OVS_VXLAN_EXT_MAX + 1] = { |
2457 | [OVS_VXLAN_EXT_GBP] = { .len = 4 }, | |
2458 | }; | |
2459 | ||
2460 | static const struct attr_len_tbl ovs_tun_key_attr_lens[OVS_TUNNEL_KEY_ATTR_MAX + 1] = { | |
2461 | [OVS_TUNNEL_KEY_ATTR_ID] = { .len = 8 }, | |
2462 | [OVS_TUNNEL_KEY_ATTR_IPV4_SRC] = { .len = 4 }, | |
2463 | [OVS_TUNNEL_KEY_ATTR_IPV4_DST] = { .len = 4 }, | |
2464 | [OVS_TUNNEL_KEY_ATTR_TOS] = { .len = 1 }, | |
2465 | [OVS_TUNNEL_KEY_ATTR_TTL] = { .len = 1 }, | |
2466 | [OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT] = { .len = 0 }, | |
2467 | [OVS_TUNNEL_KEY_ATTR_CSUM] = { .len = 0 }, | |
2468 | [OVS_TUNNEL_KEY_ATTR_TP_SRC] = { .len = 2 }, | |
2469 | [OVS_TUNNEL_KEY_ATTR_TP_DST] = { .len = 2 }, | |
2470 | [OVS_TUNNEL_KEY_ATTR_OAM] = { .len = 0 }, | |
2471 | [OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS] = { .len = ATTR_LEN_VARIABLE }, | |
2472 | [OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS] = { .len = ATTR_LEN_NESTED, | |
2473 | .next = ovs_vxlan_ext_attr_lens , | |
2474 | .next_max = OVS_VXLAN_EXT_MAX}, | |
ffe4c74f JB |
2475 | [OVS_TUNNEL_KEY_ATTR_IPV6_SRC] = { .len = 16 }, |
2476 | [OVS_TUNNEL_KEY_ATTR_IPV6_DST] = { .len = 16 }, | |
98514eea | 2477 | [OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS] = { .len = ATTR_LEN_VARIABLE }, |
6b8da9e9 JG |
2478 | }; |
2479 | ||
0aee3827 | 2480 | const struct attr_len_tbl ovs_flow_key_attr_lens[OVS_KEY_ATTR_MAX + 1] = { |
6b8da9e9 JG |
2481 | [OVS_KEY_ATTR_ENCAP] = { .len = ATTR_LEN_NESTED }, |
2482 | [OVS_KEY_ATTR_PRIORITY] = { .len = 4 }, | |
2483 | [OVS_KEY_ATTR_SKB_MARK] = { .len = 4 }, | |
2484 | [OVS_KEY_ATTR_DP_HASH] = { .len = 4 }, | |
2485 | [OVS_KEY_ATTR_RECIRC_ID] = { .len = 4 }, | |
2486 | [OVS_KEY_ATTR_TUNNEL] = { .len = ATTR_LEN_NESTED, | |
2487 | .next = ovs_tun_key_attr_lens, | |
2488 | .next_max = OVS_TUNNEL_KEY_ATTR_MAX }, | |
2489 | [OVS_KEY_ATTR_IN_PORT] = { .len = 4 }, | |
2490 | [OVS_KEY_ATTR_ETHERNET] = { .len = sizeof(struct ovs_key_ethernet) }, | |
2491 | [OVS_KEY_ATTR_VLAN] = { .len = 2 }, | |
2492 | [OVS_KEY_ATTR_ETHERTYPE] = { .len = 2 }, | |
2493 | [OVS_KEY_ATTR_MPLS] = { .len = ATTR_LEN_VARIABLE }, | |
2494 | [OVS_KEY_ATTR_IPV4] = { .len = sizeof(struct ovs_key_ipv4) }, | |
2495 | [OVS_KEY_ATTR_IPV6] = { .len = sizeof(struct ovs_key_ipv6) }, | |
2496 | [OVS_KEY_ATTR_TCP] = { .len = sizeof(struct ovs_key_tcp) }, | |
2497 | [OVS_KEY_ATTR_TCP_FLAGS] = { .len = 2 }, | |
2498 | [OVS_KEY_ATTR_UDP] = { .len = sizeof(struct ovs_key_udp) }, | |
2499 | [OVS_KEY_ATTR_SCTP] = { .len = sizeof(struct ovs_key_sctp) }, | |
2500 | [OVS_KEY_ATTR_ICMP] = { .len = sizeof(struct ovs_key_icmp) }, | |
2501 | [OVS_KEY_ATTR_ICMPV6] = { .len = sizeof(struct ovs_key_icmpv6) }, | |
2502 | [OVS_KEY_ATTR_ARP] = { .len = sizeof(struct ovs_key_arp) }, | |
2503 | [OVS_KEY_ATTR_ND] = { .len = sizeof(struct ovs_key_nd) }, | |
9b2b8497 | 2504 | [OVS_KEY_ATTR_ND_EXTENSIONS] = { .len = sizeof(struct ovs_key_nd_extensions) }, |
07659514 JS |
2505 | [OVS_KEY_ATTR_CT_STATE] = { .len = 4 }, |
2506 | [OVS_KEY_ATTR_CT_ZONE] = { .len = 2 }, | |
8e53fe8c | 2507 | [OVS_KEY_ATTR_CT_MARK] = { .len = 4 }, |
9daf2348 | 2508 | [OVS_KEY_ATTR_CT_LABELS] = { .len = sizeof(struct ovs_key_ct_labels) }, |
c30b4cea JR |
2509 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4] = { .len = sizeof(struct ovs_key_ct_tuple_ipv4) }, |
2510 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6] = { .len = sizeof(struct ovs_key_ct_tuple_ipv6) }, | |
beb75a40 | 2511 | [OVS_KEY_ATTR_PACKET_TYPE] = { .len = 4 }, |
f59cb331 YY |
2512 | [OVS_KEY_ATTR_NSH] = { .len = ATTR_LEN_NESTED, |
2513 | .next = ovs_nsh_key_attr_lens, | |
2514 | .next_max = OVS_NSH_KEY_ATTR_MAX }, | |
6b8da9e9 JG |
2515 | }; |
2516 | ||
36956a7d | 2517 | /* Returns the correct length of the payload for a flow key attribute of the |
6b8da9e9 JG |
2518 | * specified 'type', ATTR_LEN_INVALID if 'type' is unknown, ATTR_LEN_VARIABLE |
2519 | * if the attribute's payload is variable length, or ATTR_LEN_NESTED if the | |
2520 | * payload is a nested type. */ | |
36956a7d | 2521 | static int |
ce9c9b8b | 2522 | odp_key_attr_len(const struct attr_len_tbl tbl[], int max_type, uint16_t type) |
36956a7d | 2523 | { |
ce9c9b8b | 2524 | if (type > max_type) { |
6b8da9e9 | 2525 | return ATTR_LEN_INVALID; |
36956a7d BP |
2526 | } |
2527 | ||
6b8da9e9 | 2528 | return tbl[type].len; |
36956a7d BP |
2529 | } |
2530 | ||
36956a7d BP |
2531 | static void |
2532 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
2533 | { | |
2534 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
2535 | if (len) { |
2536 | const uint8_t *unspec; | |
2537 | unsigned int i; | |
2538 | ||
2539 | unspec = nl_attr_get(a); | |
2540 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
2541 | if (i) { |
2542 | ds_put_char(ds, ' '); | |
2543 | } | |
36956a7d BP |
2544 | ds_put_format(ds, "%02x", unspec[i]); |
2545 | } | |
36956a7d BP |
2546 | } |
2547 | } | |
2548 | ||
7257b535 BP |
2549 | static const char * |
2550 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
2551 | { | |
2552 | switch (type) { | |
2553 | case OVS_FRAG_TYPE_NONE: | |
2554 | return "no"; | |
2555 | case OVS_FRAG_TYPE_FIRST: | |
2556 | return "first"; | |
2557 | case OVS_FRAG_TYPE_LATER: | |
2558 | return "later"; | |
2559 | case __OVS_FRAG_TYPE_MAX: | |
2560 | default: | |
2561 | return "<error>"; | |
2562 | } | |
2563 | } | |
2564 | ||
f59cb331 YY |
2565 | enum odp_key_fitness |
2566 | odp_nsh_hdr_from_attr(const struct nlattr *attr, | |
2567 | struct nsh_hdr *nsh_hdr, size_t size) | |
2568 | { | |
2569 | unsigned int left; | |
2570 | const struct nlattr *a; | |
2571 | bool unknown = false; | |
2572 | uint8_t flags = 0; | |
17553f27 | 2573 | uint8_t ttl = 63; |
f59cb331 YY |
2574 | size_t mdlen = 0; |
2575 | bool has_md1 = false; | |
2576 | bool has_md2 = false; | |
2577 | ||
7587e1da YS |
2578 | memset(nsh_hdr, 0, size); |
2579 | ||
f59cb331 YY |
2580 | NL_NESTED_FOR_EACH (a, left, attr) { |
2581 | uint16_t type = nl_attr_type(a); | |
2582 | size_t len = nl_attr_get_size(a); | |
2583 | int expected_len = odp_key_attr_len(ovs_nsh_key_attr_lens, | |
2584 | OVS_NSH_KEY_ATTR_MAX, type); | |
2585 | ||
2586 | if (len != expected_len && expected_len >= 0) { | |
2587 | return ODP_FIT_ERROR; | |
2588 | } | |
2589 | ||
2590 | switch (type) { | |
2591 | case OVS_NSH_KEY_ATTR_BASE: { | |
2592 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
2593 | nsh_hdr->next_proto = base->np; | |
2594 | nsh_hdr->md_type = base->mdtype; | |
2595 | put_16aligned_be32(&nsh_hdr->path_hdr, base->path_hdr); | |
2596 | flags = base->flags; | |
17553f27 | 2597 | ttl = base->ttl; |
f59cb331 YY |
2598 | break; |
2599 | } | |
2600 | case OVS_NSH_KEY_ATTR_MD1: { | |
2601 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
2602 | struct nsh_md1_ctx *md1_dst = &nsh_hdr->md1; | |
2603 | has_md1 = true; | |
2604 | mdlen = nl_attr_get_size(a); | |
2605 | if ((mdlen + NSH_BASE_HDR_LEN != NSH_M_TYPE1_LEN) || | |
2606 | (mdlen + NSH_BASE_HDR_LEN > size)) { | |
2607 | return ODP_FIT_ERROR; | |
2608 | } | |
2609 | memcpy(md1_dst, md1, mdlen); | |
2610 | break; | |
2611 | } | |
2612 | case OVS_NSH_KEY_ATTR_MD2: { | |
2613 | struct nsh_md2_tlv *md2_dst = &nsh_hdr->md2; | |
2614 | const uint8_t *md2 = nl_attr_get(a); | |
2615 | has_md2 = true; | |
2616 | mdlen = nl_attr_get_size(a); | |
2617 | if (mdlen + NSH_BASE_HDR_LEN > size) { | |
2618 | return ODP_FIT_ERROR; | |
2619 | } | |
2620 | memcpy(md2_dst, md2, mdlen); | |
2621 | break; | |
2622 | } | |
2623 | default: | |
2624 | /* Allow this to show up as unexpected, if there are unknown | |
2625 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2626 | unknown = true; | |
2627 | break; | |
2628 | } | |
2629 | } | |
2630 | ||
2631 | if (unknown) { | |
2632 | return ODP_FIT_TOO_MUCH; | |
2633 | } | |
2634 | ||
2635 | if ((has_md1 && nsh_hdr->md_type != NSH_M_TYPE1) | |
2636 | || (has_md2 && nsh_hdr->md_type != NSH_M_TYPE2)) { | |
2637 | return ODP_FIT_ERROR; | |
2638 | } | |
2639 | ||
2640 | /* nsh header length = NSH_BASE_HDR_LEN + mdlen */ | |
17553f27 | 2641 | nsh_set_flags_ttl_len(nsh_hdr, flags, ttl, NSH_BASE_HDR_LEN + mdlen); |
f59cb331 YY |
2642 | |
2643 | return ODP_FIT_PERFECT; | |
2644 | } | |
2645 | ||
2646 | enum odp_key_fitness | |
81fdabb9 YY |
2647 | odp_nsh_key_from_attr(const struct nlattr *attr, struct ovs_key_nsh *nsh, |
2648 | struct ovs_key_nsh *nsh_mask) | |
f59cb331 YY |
2649 | { |
2650 | unsigned int left; | |
2651 | const struct nlattr *a; | |
2652 | bool unknown = false; | |
2653 | bool has_md1 = false; | |
2654 | ||
2655 | NL_NESTED_FOR_EACH (a, left, attr) { | |
2656 | uint16_t type = nl_attr_type(a); | |
2657 | size_t len = nl_attr_get_size(a); | |
2658 | int expected_len = odp_key_attr_len(ovs_nsh_key_attr_lens, | |
2659 | OVS_NSH_KEY_ATTR_MAX, type); | |
2660 | ||
81fdabb9 YY |
2661 | /* the attribute can have mask, len is 2 * expected_len for that case. |
2662 | */ | |
2663 | if ((len != expected_len) && (len != 2 * expected_len) && | |
2664 | (expected_len >= 0)) { | |
2665 | return ODP_FIT_ERROR; | |
2666 | } | |
2667 | ||
2668 | if ((nsh_mask && (expected_len >= 0) && (len != 2 * expected_len)) || | |
2669 | (!nsh_mask && (expected_len >= 0) && (len == 2 * expected_len))) { | |
f59cb331 YY |
2670 | return ODP_FIT_ERROR; |
2671 | } | |
2672 | ||
2673 | switch (type) { | |
81fdabb9 YY |
2674 | case OVS_NSH_KEY_ATTR_UNSPEC: |
2675 | break; | |
f59cb331 YY |
2676 | case OVS_NSH_KEY_ATTR_BASE: { |
2677 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
2678 | nsh->flags = base->flags; | |
17553f27 | 2679 | nsh->ttl = base->ttl; |
f59cb331 YY |
2680 | nsh->mdtype = base->mdtype; |
2681 | nsh->np = base->np; | |
17553f27 | 2682 | nsh->path_hdr = base->path_hdr; |
81fdabb9 YY |
2683 | if (nsh_mask && (len == 2 * sizeof(*base))) { |
2684 | const struct ovs_nsh_key_base *base_mask = base + 1; | |
2685 | nsh_mask->flags = base_mask->flags; | |
2686 | nsh_mask->ttl = base_mask->ttl; | |
2687 | nsh_mask->mdtype = base_mask->mdtype; | |
2688 | nsh_mask->np = base_mask->np; | |
2689 | nsh_mask->path_hdr = base_mask->path_hdr; | |
2690 | } | |
f59cb331 YY |
2691 | break; |
2692 | } | |
2693 | case OVS_NSH_KEY_ATTR_MD1: { | |
2694 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
2695 | has_md1 = true; | |
2696 | memcpy(nsh->context, md1->context, sizeof md1->context); | |
81fdabb9 YY |
2697 | if (len == 2 * sizeof(*md1)) { |
2698 | const struct ovs_nsh_key_md1 *md1_mask = md1 + 1; | |
2699 | memcpy(nsh_mask->context, md1_mask->context, | |
2700 | sizeof(*md1_mask)); | |
2701 | } | |
f59cb331 YY |
2702 | break; |
2703 | } | |
2704 | case OVS_NSH_KEY_ATTR_MD2: | |
2705 | default: | |
2706 | /* Allow this to show up as unexpected, if there are unknown | |
2707 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2708 | unknown = true; | |
2709 | break; | |
2710 | } | |
2711 | } | |
2712 | ||
2713 | if (unknown) { | |
2714 | return ODP_FIT_TOO_MUCH; | |
2715 | } | |
2716 | ||
3c61cc7c | 2717 | if (has_md1 && nsh->mdtype != NSH_M_TYPE1 && !nsh_mask) { |
f59cb331 YY |
2718 | return ODP_FIT_ERROR; |
2719 | } | |
2720 | ||
2721 | return ODP_FIT_PERFECT; | |
2722 | } | |
2723 | ||
ec1f6f32 | 2724 | static enum odp_key_fitness |
8d8ab6c2 JG |
2725 | odp_tun_key_from_attr__(const struct nlattr *attr, bool is_mask, |
2726 | struct flow_tnl *tun) | |
9b405f1a PS |
2727 | { |
2728 | unsigned int left; | |
2729 | const struct nlattr *a; | |
2730 | bool ttl = false; | |
2731 | bool unknown = false; | |
2732 | ||
2733 | NL_NESTED_FOR_EACH(a, left, attr) { | |
2734 | uint16_t type = nl_attr_type(a); | |
2735 | size_t len = nl_attr_get_size(a); | |
6b8da9e9 JG |
2736 | int expected_len = odp_key_attr_len(ovs_tun_key_attr_lens, |
2737 | OVS_TUNNEL_ATTR_MAX, type); | |
9b405f1a PS |
2738 | |
2739 | if (len != expected_len && expected_len >= 0) { | |
2740 | return ODP_FIT_ERROR; | |
2741 | } | |
2742 | ||
2743 | switch (type) { | |
2744 | case OVS_TUNNEL_KEY_ATTR_ID: | |
2745 | tun->tun_id = nl_attr_get_be64(a); | |
2746 | tun->flags |= FLOW_TNL_F_KEY; | |
2747 | break; | |
2748 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
2749 | tun->ip_src = nl_attr_get_be32(a); | |
2750 | break; | |
2751 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
2752 | tun->ip_dst = nl_attr_get_be32(a); | |
2753 | break; | |
ffe4c74f JB |
2754 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: |
2755 | tun->ipv6_src = nl_attr_get_in6_addr(a); | |
2756 | break; | |
2757 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: | |
2758 | tun->ipv6_dst = nl_attr_get_in6_addr(a); | |
2759 | break; | |
9b405f1a PS |
2760 | case OVS_TUNNEL_KEY_ATTR_TOS: |
2761 | tun->ip_tos = nl_attr_get_u8(a); | |
2762 | break; | |
2763 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
2764 | tun->ip_ttl = nl_attr_get_u8(a); | |
2765 | ttl = true; | |
2766 | break; | |
2767 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
2768 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
2769 | break; | |
2770 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
2771 | tun->flags |= FLOW_TNL_F_CSUM; | |
2772 | break; | |
8b7ea2d4 WZ |
2773 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: |
2774 | tun->tp_src = nl_attr_get_be16(a); | |
2775 | break; | |
2776 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
2777 | tun->tp_dst = nl_attr_get_be16(a); | |
2778 | break; | |
94872594 JG |
2779 | case OVS_TUNNEL_KEY_ATTR_OAM: |
2780 | tun->flags |= FLOW_TNL_F_OAM; | |
2781 | break; | |
ac6073e3 MC |
2782 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: { |
2783 | static const struct nl_policy vxlan_opts_policy[] = { | |
2784 | [OVS_VXLAN_EXT_GBP] = { .type = NL_A_U32 }, | |
2785 | }; | |
2786 | struct nlattr *ext[ARRAY_SIZE(vxlan_opts_policy)]; | |
2787 | ||
2788 | if (!nl_parse_nested(a, vxlan_opts_policy, ext, ARRAY_SIZE(ext))) { | |
2789 | return ODP_FIT_ERROR; | |
2790 | } | |
2791 | ||
2792 | if (ext[OVS_VXLAN_EXT_GBP]) { | |
2793 | uint32_t gbp = nl_attr_get_u32(ext[OVS_VXLAN_EXT_GBP]); | |
2794 | ||
2795 | tun->gbp_id = htons(gbp & 0xFFFF); | |
2796 | tun->gbp_flags = (gbp >> 16) & 0xFF; | |
2797 | } | |
2798 | ||
2799 | break; | |
2800 | } | |
9558d2a5 | 2801 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: |
8d8ab6c2 | 2802 | tun_metadata_from_geneve_nlattr(a, is_mask, tun); |
c1fc1411 | 2803 | break; |
98514eea | 2804 | case OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS: { |
5062a040 | 2805 | const struct erspan_metadata *opts = nl_attr_get(a); |
98514eea | 2806 | |
5062a040 | 2807 | tun->erspan_ver = opts->version; |
98514eea | 2808 | if (tun->erspan_ver == 1) { |
5062a040 | 2809 | tun->erspan_idx = ntohl(opts->u.index); |
98514eea | 2810 | } else if (tun->erspan_ver == 2) { |
5062a040 WT |
2811 | tun->erspan_dir = opts->u.md2.dir; |
2812 | tun->erspan_hwid = get_hwid(&opts->u.md2); | |
98514eea WT |
2813 | } else { |
2814 | VLOG_WARN("%s invalid erspan version\n", __func__); | |
2815 | } | |
2816 | break; | |
2817 | } | |
9558d2a5 | 2818 | |
9b405f1a PS |
2819 | default: |
2820 | /* Allow this to show up as unexpected, if there are unknown | |
2821 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2822 | unknown = true; | |
2823 | break; | |
2824 | } | |
2825 | } | |
2826 | ||
2827 | if (!ttl) { | |
2828 | return ODP_FIT_ERROR; | |
2829 | } | |
2830 | if (unknown) { | |
758c456d | 2831 | return ODP_FIT_TOO_MUCH; |
9b405f1a PS |
2832 | } |
2833 | return ODP_FIT_PERFECT; | |
2834 | } | |
2835 | ||
ec1f6f32 | 2836 | enum odp_key_fitness |
8d8ab6c2 | 2837 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun) |
ec1f6f32 | 2838 | { |
35303d71 | 2839 | memset(tun, 0, sizeof *tun); |
8d8ab6c2 | 2840 | return odp_tun_key_from_attr__(attr, false, tun); |
ec1f6f32 JG |
2841 | } |
2842 | ||
9b405f1a | 2843 | static void |
ec1f6f32 | 2844 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key, |
9558d2a5 | 2845 | const struct flow_tnl *tun_flow_key, |
c6d87201 | 2846 | const struct ofpbuf *key_buf, const char *tnl_type) |
9b405f1a PS |
2847 | { |
2848 | size_t tun_key_ofs; | |
2849 | ||
2850 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
2851 | ||
27a8cbbc BP |
2852 | /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */ |
2853 | if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) { | |
9b405f1a PS |
2854 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); |
2855 | } | |
2856 | if (tun_key->ip_src) { | |
2857 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
2858 | } | |
2859 | if (tun_key->ip_dst) { | |
2860 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
2861 | } | |
ffe4c74f JB |
2862 | if (ipv6_addr_is_set(&tun_key->ipv6_src)) { |
2863 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_SRC, &tun_key->ipv6_src); | |
2864 | } | |
2865 | if (ipv6_addr_is_set(&tun_key->ipv6_dst)) { | |
2866 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_DST, &tun_key->ipv6_dst); | |
2867 | } | |
9b405f1a PS |
2868 | if (tun_key->ip_tos) { |
2869 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
2870 | } | |
2871 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
2872 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
2873 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
2874 | } | |
2875 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
2876 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
2877 | } | |
8b7ea2d4 WZ |
2878 | if (tun_key->tp_src) { |
2879 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_SRC, tun_key->tp_src); | |
2880 | } | |
2881 | if (tun_key->tp_dst) { | |
2882 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_DST, tun_key->tp_dst); | |
2883 | } | |
94872594 JG |
2884 | if (tun_key->flags & FLOW_TNL_F_OAM) { |
2885 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
2886 | } | |
c6d87201 WT |
2887 | |
2888 | /* If tnl_type is set to a particular type of output tunnel, | |
2889 | * only put its relevant tunnel metadata to the nlattr. | |
2890 | * If tnl_type is NULL, put tunnel metadata according to the | |
2891 | * 'tun_key'. | |
2892 | */ | |
2893 | if ((!tnl_type || !strcmp(tnl_type, "vxlan")) && | |
2894 | (tun_key->gbp_flags || tun_key->gbp_id)) { | |
ac6073e3 MC |
2895 | size_t vxlan_opts_ofs; |
2896 | ||
2897 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
2898 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, | |
2899 | (tun_key->gbp_flags << 16) | ntohs(tun_key->gbp_id)); | |
2900 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
2901 | } | |
c6d87201 WT |
2902 | |
2903 | if (!tnl_type || !strcmp(tnl_type, "geneve")) { | |
2904 | tun_metadata_to_geneve_nlattr(tun_key, tun_flow_key, key_buf, a); | |
2905 | } | |
9558d2a5 | 2906 | |
98514eea WT |
2907 | if ((!tnl_type || !strcmp(tnl_type, "erspan") || |
2908 | !strcmp(tnl_type, "ip6erspan")) && | |
2909 | (tun_key->erspan_ver == 1 || tun_key->erspan_ver == 2)) { | |
2910 | struct erspan_metadata opts; | |
2911 | ||
2912 | opts.version = tun_key->erspan_ver; | |
2913 | if (opts.version == 1) { | |
2914 | opts.u.index = htonl(tun_key->erspan_idx); | |
2915 | } else { | |
2916 | opts.u.md2.dir = tun_key->erspan_dir; | |
2917 | set_hwid(&opts.u.md2, tun_key->erspan_hwid); | |
2918 | } | |
2919 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, | |
2920 | &opts, sizeof(opts)); | |
2921 | } | |
2922 | ||
9b405f1a | 2923 | nl_msg_end_nested(a, tun_key_ofs); |
29c7a2b2 PS |
2924 | } |
2925 | ||
b17298ae BP |
2926 | static bool |
2927 | odp_mask_is_constant__(enum ovs_key_attr attr, const void *mask, size_t size, | |
2928 | int constant) | |
2929 | { | |
2930 | /* Convert 'constant' to all the widths we need. C conversion rules ensure | |
2931 | * that -1 becomes all-1-bits and 0 does not change. */ | |
2932 | ovs_be16 be16 = (OVS_FORCE ovs_be16) constant; | |
2933 | uint32_t u32 = constant; | |
2934 | uint8_t u8 = constant; | |
2935 | const struct in6_addr *in6 = constant ? &in6addr_exact : &in6addr_any; | |
2936 | ||
2937 | switch (attr) { | |
2938 | case OVS_KEY_ATTR_UNSPEC: | |
2939 | case OVS_KEY_ATTR_ENCAP: | |
2940 | case __OVS_KEY_ATTR_MAX: | |
2941 | default: | |
2942 | return false; | |
2943 | ||
2944 | case OVS_KEY_ATTR_PRIORITY: | |
2945 | case OVS_KEY_ATTR_IN_PORT: | |
2946 | case OVS_KEY_ATTR_ETHERNET: | |
2947 | case OVS_KEY_ATTR_VLAN: | |
2948 | case OVS_KEY_ATTR_ETHERTYPE: | |
2949 | case OVS_KEY_ATTR_IPV4: | |
2950 | case OVS_KEY_ATTR_TCP: | |
2951 | case OVS_KEY_ATTR_UDP: | |
2952 | case OVS_KEY_ATTR_ICMP: | |
2953 | case OVS_KEY_ATTR_ICMPV6: | |
2954 | case OVS_KEY_ATTR_ND: | |
9b2b8497 | 2955 | case OVS_KEY_ATTR_ND_EXTENSIONS: |
b17298ae BP |
2956 | case OVS_KEY_ATTR_SKB_MARK: |
2957 | case OVS_KEY_ATTR_TUNNEL: | |
2958 | case OVS_KEY_ATTR_SCTP: | |
2959 | case OVS_KEY_ATTR_DP_HASH: | |
2960 | case OVS_KEY_ATTR_RECIRC_ID: | |
2961 | case OVS_KEY_ATTR_MPLS: | |
2962 | case OVS_KEY_ATTR_CT_STATE: | |
2963 | case OVS_KEY_ATTR_CT_ZONE: | |
2964 | case OVS_KEY_ATTR_CT_MARK: | |
2965 | case OVS_KEY_ATTR_CT_LABELS: | |
2966 | case OVS_KEY_ATTR_PACKET_TYPE: | |
3d2fbd70 | 2967 | case OVS_KEY_ATTR_NSH: |
b17298ae BP |
2968 | return is_all_byte(mask, size, u8); |
2969 | ||
2970 | case OVS_KEY_ATTR_TCP_FLAGS: | |
2971 | return TCP_FLAGS(*(ovs_be16 *) mask) == TCP_FLAGS(be16); | |
2972 | ||
2973 | case OVS_KEY_ATTR_IPV6: { | |
2974 | const struct ovs_key_ipv6 *ipv6_mask = mask; | |
2975 | return ((ipv6_mask->ipv6_label & htonl(IPV6_LABEL_MASK)) | |
2976 | == htonl(IPV6_LABEL_MASK & u32) | |
2977 | && ipv6_mask->ipv6_proto == u8 | |
2978 | && ipv6_mask->ipv6_tclass == u8 | |
2979 | && ipv6_mask->ipv6_hlimit == u8 | |
2980 | && ipv6_mask->ipv6_frag == u8 | |
2981 | && ipv6_addr_equals(&ipv6_mask->ipv6_src, in6) | |
2982 | && ipv6_addr_equals(&ipv6_mask->ipv6_dst, in6)); | |
2983 | } | |
2984 | ||
2985 | case OVS_KEY_ATTR_ARP: | |
2986 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_arp, arp_tha), u8); | |
2987 | ||
2988 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: | |
2989 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv4, | |
2990 | ipv4_proto), u8); | |
2991 | ||
2992 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
2993 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv6, | |
2994 | ipv6_proto), u8); | |
2995 | } | |
2996 | } | |
2997 | ||
2998 | /* The caller must already have verified that 'ma' has a correct length. | |
2999 | * | |
3000 | * The main purpose of this function is formatting, to allow code to figure out | |
3001 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
3002 | * contain sub-attributes, etc., because normally those would be broken down | |
3003 | * further for formatting. */ | |
041e7168 AZ |
3004 | static bool |
3005 | odp_mask_attr_is_wildcard(const struct nlattr *ma) | |
3006 | { | |
b17298ae BP |
3007 | return odp_mask_is_constant__(nl_attr_type(ma), |
3008 | nl_attr_get(ma), nl_attr_get_size(ma), 0); | |
041e7168 AZ |
3009 | } |
3010 | ||
2f73024d | 3011 | /* The caller must already have verified that 'size' is a correct length for |
b17298ae BP |
3012 | * 'attr'. |
3013 | * | |
3014 | * The main purpose of this function is formatting, to allow code to figure out | |
3015 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
3016 | * contain sub-attributes, etc., because normally those would be broken down | |
3017 | * further for formatting. */ | |
e6cc0bab | 3018 | static bool |
d23df9a8 | 3019 | odp_mask_is_exact(enum ovs_key_attr attr, const void *mask, size_t size) |
e6cc0bab | 3020 | { |
b17298ae | 3021 | return odp_mask_is_constant__(attr, mask, size, -1); |
d23df9a8 JR |
3022 | } |
3023 | ||
2f73024d | 3024 | /* The caller must already have verified that 'ma' has a correct length. */ |
d23df9a8 JR |
3025 | static bool |
3026 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
3027 | { | |
d23df9a8 | 3028 | enum ovs_key_attr attr = nl_attr_type(ma); |
a4e8ed0c | 3029 | return odp_mask_is_exact(attr, nl_attr_get(ma), nl_attr_get_size(ma)); |
e6cc0bab AZ |
3030 | } |
3031 | ||
0a37839c GS |
3032 | void |
3033 | odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no, | |
3034 | char *port_name) | |
3035 | { | |
3036 | struct odp_portno_names *odp_portno_names; | |
3037 | ||
3038 | odp_portno_names = xmalloc(sizeof *odp_portno_names); | |
3039 | odp_portno_names->port_no = port_no; | |
3040 | odp_portno_names->name = xstrdup(port_name); | |
3041 | hmap_insert(portno_names, &odp_portno_names->hmap_node, | |
3042 | hash_odp_port(port_no)); | |
3043 | } | |
3044 | ||
3045 | static char * | |
3046 | odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no) | |
3047 | { | |
0722f341 BP |
3048 | if (portno_names) { |
3049 | struct odp_portno_names *odp_portno_names; | |
0a37839c | 3050 | |
0722f341 BP |
3051 | HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node, |
3052 | hash_odp_port(port_no), portno_names) { | |
3053 | if (odp_portno_names->port_no == port_no) { | |
3054 | return odp_portno_names->name; | |
3055 | } | |
0a37839c GS |
3056 | } |
3057 | } | |
3058 | return NULL; | |
3059 | } | |
3060 | ||
3061 | void | |
3062 | odp_portno_names_destroy(struct hmap *portno_names) | |
3063 | { | |
4ec3d7c7 DDP |
3064 | struct odp_portno_names *odp_portno_names; |
3065 | ||
3066 | HMAP_FOR_EACH_POP (odp_portno_names, hmap_node, portno_names) { | |
0a37839c GS |
3067 | free(odp_portno_names->name); |
3068 | free(odp_portno_names); | |
3069 | } | |
3070 | } | |
e6cc0bab | 3071 | |
0722f341 BP |
3072 | void |
3073 | odp_portno_name_format(const struct hmap *portno_names, odp_port_t port_no, | |
3074 | struct ds *s) | |
3075 | { | |
3076 | const char *name = odp_portno_names_get(portno_names, port_no); | |
3077 | if (name) { | |
3078 | ds_put_cstr(s, name); | |
3079 | } else { | |
3080 | ds_put_format(s, "%"PRIu32, port_no); | |
3081 | } | |
3082 | } | |
3083 | ||
2d18eae8 JR |
3084 | /* Format helpers. */ |
3085 | ||
3086 | static void | |
74ff3298 JR |
3087 | format_eth(struct ds *ds, const char *name, const struct eth_addr key, |
3088 | const struct eth_addr *mask, bool verbose) | |
2d18eae8 JR |
3089 | { |
3090 | bool mask_empty = mask && eth_addr_is_zero(*mask); | |
3091 | ||
3092 | if (verbose || !mask_empty) { | |
3093 | bool mask_full = !mask || eth_mask_is_exact(*mask); | |
3094 | ||
3095 | if (mask_full) { | |
3096 | ds_put_format(ds, "%s="ETH_ADDR_FMT",", name, ETH_ADDR_ARGS(key)); | |
3097 | } else { | |
3098 | ds_put_format(ds, "%s=", name); | |
74ff3298 | 3099 | eth_format_masked(key, mask, ds); |
2d18eae8 JR |
3100 | ds_put_char(ds, ','); |
3101 | } | |
3102 | } | |
3103 | } | |
3104 | ||
1fc11c59 | 3105 | |
2d18eae8 JR |
3106 | static void |
3107 | format_be64(struct ds *ds, const char *name, ovs_be64 key, | |
3108 | const ovs_be64 *mask, bool verbose) | |
3109 | { | |
3110 | bool mask_empty = mask && !*mask; | |
3111 | ||
3112 | if (verbose || !mask_empty) { | |
3113 | bool mask_full = !mask || *mask == OVS_BE64_MAX; | |
3114 | ||
3115 | ds_put_format(ds, "%s=0x%"PRIx64, name, ntohll(key)); | |
3116 | if (!mask_full) { /* Partially masked. */ | |
3117 | ds_put_format(ds, "/%#"PRIx64, ntohll(*mask)); | |
3118 | } | |
3119 | ds_put_char(ds, ','); | |
3120 | } | |
3121 | } | |
3122 | ||
3123 | static void | |
3124 | format_ipv4(struct ds *ds, const char *name, ovs_be32 key, | |
3125 | const ovs_be32 *mask, bool verbose) | |
3126 | { | |
3127 | bool mask_empty = mask && !*mask; | |
3128 | ||
3129 | if (verbose || !mask_empty) { | |
3130 | bool mask_full = !mask || *mask == OVS_BE32_MAX; | |
3131 | ||
3132 | ds_put_format(ds, "%s="IP_FMT, name, IP_ARGS(key)); | |
3133 | if (!mask_full) { /* Partially masked. */ | |
3134 | ds_put_format(ds, "/"IP_FMT, IP_ARGS(*mask)); | |
3135 | } | |
3136 | ds_put_char(ds, ','); | |
3137 | } | |
3138 | } | |
3139 | ||
3140 | static void | |
d15aef48 JB |
3141 | format_in6_addr(struct ds *ds, const char *name, |
3142 | const struct in6_addr *key, | |
3143 | const struct in6_addr *mask, | |
3144 | bool verbose) | |
2d18eae8 JR |
3145 | { |
3146 | char buf[INET6_ADDRSTRLEN]; | |
2d18eae8 JR |
3147 | bool mask_empty = mask && ipv6_mask_is_any(mask); |
3148 | ||
3149 | if (verbose || !mask_empty) { | |
3150 | bool mask_full = !mask || ipv6_mask_is_exact(mask); | |
3151 | ||
3152 | inet_ntop(AF_INET6, key, buf, sizeof buf); | |
3153 | ds_put_format(ds, "%s=%s", name, buf); | |
3154 | if (!mask_full) { /* Partially masked. */ | |
3155 | inet_ntop(AF_INET6, mask, buf, sizeof buf); | |
3156 | ds_put_format(ds, "/%s", buf); | |
3157 | } | |
3158 | ds_put_char(ds, ','); | |
3159 | } | |
3160 | } | |
3161 | ||
3162 | static void | |
3163 | format_ipv6_label(struct ds *ds, const char *name, ovs_be32 key, | |
3164 | const ovs_be32 *mask, bool verbose) | |
3165 | { | |
3166 | bool mask_empty = mask && !*mask; | |
3167 | ||
3168 | if (verbose || !mask_empty) { | |
3169 | bool mask_full = !mask | |
3170 | || (*mask & htonl(IPV6_LABEL_MASK)) == htonl(IPV6_LABEL_MASK); | |
3171 | ||
3172 | ds_put_format(ds, "%s=%#"PRIx32, name, ntohl(key)); | |
3173 | if (!mask_full) { /* Partially masked. */ | |
3174 | ds_put_format(ds, "/%#"PRIx32, ntohl(*mask)); | |
3175 | } | |
3176 | ds_put_char(ds, ','); | |
3177 | } | |
3178 | } | |
3179 | ||
3180 | static void | |
3181 | format_u8x(struct ds *ds, const char *name, uint8_t key, | |
3182 | const uint8_t *mask, bool verbose) | |
3183 | { | |
3184 | bool mask_empty = mask && !*mask; | |
3185 | ||
3186 | if (verbose || !mask_empty) { | |
3187 | bool mask_full = !mask || *mask == UINT8_MAX; | |
3188 | ||
3189 | ds_put_format(ds, "%s=%#"PRIx8, name, key); | |
3190 | if (!mask_full) { /* Partially masked. */ | |
3191 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
3192 | } | |
3193 | ds_put_char(ds, ','); | |
3194 | } | |
3195 | } | |
3196 | ||
3197 | static void | |
3198 | format_u8u(struct ds *ds, const char *name, uint8_t key, | |
3199 | const uint8_t *mask, bool verbose) | |
3200 | { | |
3201 | bool mask_empty = mask && !*mask; | |
3202 | ||
3203 | if (verbose || !mask_empty) { | |
3204 | bool mask_full = !mask || *mask == UINT8_MAX; | |
3205 | ||
3206 | ds_put_format(ds, "%s=%"PRIu8, name, key); | |
3207 | if (!mask_full) { /* Partially masked. */ | |
3208 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
3209 | } | |
3210 | ds_put_char(ds, ','); | |
3211 | } | |
3212 | } | |
3213 | ||
3214 | static void | |
3215 | format_be16(struct ds *ds, const char *name, ovs_be16 key, | |
3216 | const ovs_be16 *mask, bool verbose) | |
3217 | { | |
3218 | bool mask_empty = mask && !*mask; | |
3219 | ||
3220 | if (verbose || !mask_empty) { | |
3221 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
3222 | ||
3223 | ds_put_format(ds, "%s=%"PRIu16, name, ntohs(key)); | |
3224 | if (!mask_full) { /* Partially masked. */ | |
3225 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
3226 | } | |
3227 | ds_put_char(ds, ','); | |
3228 | } | |
3229 | } | |
3230 | ||
622a0a8e JG |
3231 | static void |
3232 | format_be16x(struct ds *ds, const char *name, ovs_be16 key, | |
3233 | const ovs_be16 *mask, bool verbose) | |
3234 | { | |
3235 | bool mask_empty = mask && !*mask; | |
3236 | ||
3237 | if (verbose || !mask_empty) { | |
3238 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
3239 | ||
3240 | ds_put_format(ds, "%s=%#"PRIx16, name, ntohs(key)); | |
3241 | if (!mask_full) { /* Partially masked. */ | |
3242 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
3243 | } | |
3244 | ds_put_char(ds, ','); | |
3245 | } | |
3246 | } | |
3247 | ||
2d18eae8 JR |
3248 | static void |
3249 | format_tun_flags(struct ds *ds, const char *name, uint16_t key, | |
3250 | const uint16_t *mask, bool verbose) | |
3251 | { | |
3252 | bool mask_empty = mask && !*mask; | |
3253 | ||
3254 | if (verbose || !mask_empty) { | |
2d18eae8 JR |
3255 | ds_put_cstr(ds, name); |
3256 | ds_put_char(ds, '('); | |
8e4c1621 JG |
3257 | if (mask) { |
3258 | format_flags_masked(ds, NULL, flow_tun_flag_to_string, key, | |
3259 | *mask & FLOW_TNL_F_MASK, FLOW_TNL_F_MASK); | |
2d18eae8 | 3260 | } else { /* Fully masked. */ |
8e4c1621 | 3261 | format_flags(ds, flow_tun_flag_to_string, key, '|'); |
2d18eae8 JR |
3262 | } |
3263 | ds_put_cstr(ds, "),"); | |
3264 | } | |
3265 | } | |
3266 | ||
65da723b JG |
3267 | static bool |
3268 | check_attr_len(struct ds *ds, const struct nlattr *a, const struct nlattr *ma, | |
ce9c9b8b | 3269 | const struct attr_len_tbl tbl[], int max_type, bool need_key) |
65da723b JG |
3270 | { |
3271 | int expected_len; | |
3272 | ||
ce9c9b8b | 3273 | expected_len = odp_key_attr_len(tbl, max_type, nl_attr_type(a)); |
65da723b JG |
3274 | if (expected_len != ATTR_LEN_VARIABLE && |
3275 | expected_len != ATTR_LEN_NESTED) { | |
3276 | ||
3277 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
3278 | bool bad_mask_len = ma && nl_attr_get_size(ma) != expected_len; | |
3279 | ||
3280 | if (bad_key_len || bad_mask_len) { | |
3281 | if (need_key) { | |
3282 | ds_put_format(ds, "key%u", nl_attr_type(a)); | |
3283 | } | |
3284 | if (bad_key_len) { | |
3285 | ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(", | |
3286 | nl_attr_get_size(a), expected_len); | |
3287 | } | |
3288 | format_generic_odp_key(a, ds); | |
3289 | if (ma) { | |
3290 | ds_put_char(ds, '/'); | |
3291 | if (bad_mask_len) { | |
3292 | ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(", | |
3293 | nl_attr_get_size(ma), expected_len); | |
3294 | } | |
3295 | format_generic_odp_key(ma, ds); | |
3296 | } | |
3297 | ds_put_char(ds, ')'); | |
3298 | return false; | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | return true; | |
3303 | } | |
3304 | ||
3305 | static void | |
3306 | format_unknown_key(struct ds *ds, const struct nlattr *a, | |
3307 | const struct nlattr *ma) | |
3308 | { | |
3309 | ds_put_format(ds, "key%u(", nl_attr_type(a)); | |
3310 | format_generic_odp_key(a, ds); | |
3311 | if (ma && !odp_mask_attr_is_exact(ma)) { | |
3312 | ds_put_char(ds, '/'); | |
3313 | format_generic_odp_key(ma, ds); | |
3314 | } | |
3315 | ds_put_cstr(ds, "),"); | |
3316 | } | |
3317 | ||
3318 | static void | |
3319 | format_odp_tun_vxlan_opt(const struct nlattr *attr, | |
3320 | const struct nlattr *mask_attr, struct ds *ds, | |
3321 | bool verbose) | |
3322 | { | |
3323 | unsigned int left; | |
3324 | const struct nlattr *a; | |
3325 | struct ofpbuf ofp; | |
3326 | ||
3327 | ofpbuf_init(&ofp, 100); | |
3328 | NL_NESTED_FOR_EACH(a, left, attr) { | |
3329 | uint16_t type = nl_attr_type(a); | |
3330 | const struct nlattr *ma = NULL; | |
3331 | ||
3332 | if (mask_attr) { | |
3333 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3334 | nl_attr_get_size(mask_attr), type); | |
3335 | if (!ma) { | |
3336 | ma = generate_all_wildcard_mask(ovs_vxlan_ext_attr_lens, | |
3337 | OVS_VXLAN_EXT_MAX, | |
3338 | &ofp, a); | |
3339 | } | |
3340 | } | |
3341 | ||
3342 | if (!check_attr_len(ds, a, ma, ovs_vxlan_ext_attr_lens, | |
3343 | OVS_VXLAN_EXT_MAX, true)) { | |
3344 | continue; | |
3345 | } | |
3346 | ||
3347 | switch (type) { | |
3348 | case OVS_VXLAN_EXT_GBP: { | |
3349 | uint32_t key = nl_attr_get_u32(a); | |
3350 | ovs_be16 id, id_mask; | |
498535c3 | 3351 | uint8_t flags, flags_mask = 0; |
65da723b JG |
3352 | |
3353 | id = htons(key & 0xFFFF); | |
3354 | flags = (key >> 16) & 0xFF; | |
3355 | if (ma) { | |
3356 | uint32_t mask = nl_attr_get_u32(ma); | |
3357 | id_mask = htons(mask & 0xFFFF); | |
3358 | flags_mask = (mask >> 16) & 0xFF; | |
3359 | } | |
3360 | ||
3361 | ds_put_cstr(ds, "gbp("); | |
3362 | format_be16(ds, "id", id, ma ? &id_mask : NULL, verbose); | |
3363 | format_u8x(ds, "flags", flags, ma ? &flags_mask : NULL, verbose); | |
3364 | ds_chomp(ds, ','); | |
3365 | ds_put_cstr(ds, "),"); | |
3366 | break; | |
3367 | } | |
3368 | ||
3369 | default: | |
3370 | format_unknown_key(ds, a, ma); | |
3371 | } | |
3372 | ofpbuf_clear(&ofp); | |
3373 | } | |
3374 | ||
3375 | ds_chomp(ds, ','); | |
3376 | ofpbuf_uninit(&ofp); | |
3377 | } | |
3378 | ||
98514eea WT |
3379 | static void |
3380 | format_odp_tun_erspan_opt(const struct nlattr *attr, | |
3381 | const struct nlattr *mask_attr, struct ds *ds, | |
3382 | bool verbose) | |
3383 | { | |
3384 | const struct erspan_metadata *opts, *mask; | |
3385 | uint8_t ver, ver_ma, dir, dir_ma, hwid, hwid_ma; | |
3386 | ||
3387 | opts = nl_attr_get(attr); | |
3388 | mask = mask_attr ? nl_attr_get(mask_attr) : NULL; | |
3389 | ||
3390 | ver = (uint8_t)opts->version; | |
3391 | if (mask) { | |
3392 | ver_ma = (uint8_t)mask->version; | |
3393 | } | |
3394 | ||
3395 | format_u8u(ds, "ver", ver, mask ? &ver_ma : NULL, verbose); | |
3396 | ||
3397 | if (opts->version == 1) { | |
3398 | if (mask) { | |
3399 | ds_put_format(ds, "idx=%#"PRIx32"/%#"PRIx32",", | |
3400 | ntohl(opts->u.index), | |
3401 | ntohl(mask->u.index)); | |
3402 | } else { | |
3403 | ds_put_format(ds, "idx=%#"PRIx32",", ntohl(opts->u.index)); | |
3404 | } | |
3405 | } else if (opts->version == 2) { | |
3406 | dir = opts->u.md2.dir; | |
3407 | hwid = opts->u.md2.hwid; | |
3408 | if (mask) { | |
3409 | dir_ma = mask->u.md2.dir; | |
3410 | hwid_ma = mask->u.md2.hwid; | |
3411 | } | |
3412 | ||
3413 | format_u8u(ds, "dir", dir, mask ? &dir_ma : NULL, verbose); | |
3414 | format_u8x(ds, "hwid", hwid, mask ? &hwid_ma : NULL, verbose); | |
3415 | } | |
3416 | ds_chomp(ds, ','); | |
3417 | } | |
3418 | ||
622a0a8e JG |
3419 | #define MASK(PTR, FIELD) PTR ? &PTR->FIELD : NULL |
3420 | ||
3421 | static void | |
5bb08b0e JG |
3422 | format_geneve_opts(const struct geneve_opt *opt, |
3423 | const struct geneve_opt *mask, int opts_len, | |
3424 | struct ds *ds, bool verbose) | |
622a0a8e | 3425 | { |
622a0a8e JG |
3426 | while (opts_len > 0) { |
3427 | unsigned int len; | |
3428 | uint8_t data_len, data_len_mask; | |
3429 | ||
3430 | if (opts_len < sizeof *opt) { | |
3431 | ds_put_format(ds, "opt len %u less than minimum %"PRIuSIZE, | |
3432 | opts_len, sizeof *opt); | |
3433 | return; | |
3434 | } | |
3435 | ||
3436 | data_len = opt->length * 4; | |
3437 | if (mask) { | |
3438 | if (mask->length == 0x1f) { | |
3439 | data_len_mask = UINT8_MAX; | |
3440 | } else { | |
3441 | data_len_mask = mask->length; | |
3442 | } | |
3443 | } | |
3444 | len = sizeof *opt + data_len; | |
3445 | if (len > opts_len) { | |
3446 | ds_put_format(ds, "opt len %u greater than remaining %u", | |
3447 | len, opts_len); | |
3448 | return; | |
3449 | } | |
3450 | ||
3451 | ds_put_char(ds, '{'); | |
3452 | format_be16x(ds, "class", opt->opt_class, MASK(mask, opt_class), | |
3453 | verbose); | |
3454 | format_u8x(ds, "type", opt->type, MASK(mask, type), verbose); | |
3455 | format_u8u(ds, "len", data_len, mask ? &data_len_mask : NULL, verbose); | |
1cb20095 JG |
3456 | if (data_len && |
3457 | (verbose || !mask || !is_all_zeros(mask + 1, data_len))) { | |
622a0a8e JG |
3458 | ds_put_hex(ds, opt + 1, data_len); |
3459 | if (mask && !is_all_ones(mask + 1, data_len)) { | |
3460 | ds_put_char(ds, '/'); | |
3461 | ds_put_hex(ds, mask + 1, data_len); | |
3462 | } | |
3463 | } else { | |
3464 | ds_chomp(ds, ','); | |
3465 | } | |
3466 | ds_put_char(ds, '}'); | |
3467 | ||
3468 | opt += len / sizeof(*opt); | |
3469 | if (mask) { | |
3470 | mask += len / sizeof(*opt); | |
3471 | } | |
3472 | opts_len -= len; | |
3473 | }; | |
3474 | } | |
3475 | ||
5bb08b0e JG |
3476 | static void |
3477 | format_odp_tun_geneve(const struct nlattr *attr, | |
3478 | const struct nlattr *mask_attr, struct ds *ds, | |
3479 | bool verbose) | |
3480 | { | |
3481 | int opts_len = nl_attr_get_size(attr); | |
3482 | const struct geneve_opt *opt = nl_attr_get(attr); | |
3483 | const struct geneve_opt *mask = mask_attr ? | |
3484 | nl_attr_get(mask_attr) : NULL; | |
3485 | ||
3486 | if (mask && nl_attr_get_size(attr) != nl_attr_get_size(mask_attr)) { | |
3487 | ds_put_format(ds, "value len %"PRIuSIZE" different from mask len %"PRIuSIZE, | |
3488 | nl_attr_get_size(attr), nl_attr_get_size(mask_attr)); | |
3489 | return; | |
3490 | } | |
3491 | ||
3492 | format_geneve_opts(opt, mask, opts_len, ds, verbose); | |
3493 | } | |
3494 | ||
f59cb331 YY |
3495 | static void |
3496 | format_odp_nsh_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
3497 | struct ds *ds) | |
3498 | { | |
3499 | unsigned int left; | |
3500 | const struct nlattr *a; | |
3501 | struct ovs_key_nsh nsh; | |
3502 | struct ovs_key_nsh nsh_mask; | |
3503 | ||
3504 | memset(&nsh, 0, sizeof nsh); | |
3505 | memset(&nsh_mask, 0xff, sizeof nsh_mask); | |
3506 | ||
3507 | NL_NESTED_FOR_EACH (a, left, attr) { | |
3508 | enum ovs_nsh_key_attr type = nl_attr_type(a); | |
3509 | const struct nlattr *ma = NULL; | |
3510 | ||
3511 | if (mask_attr) { | |
3512 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3513 | nl_attr_get_size(mask_attr), type); | |
3514 | } | |
3515 | ||
3516 | if (!check_attr_len(ds, a, ma, ovs_nsh_key_attr_lens, | |
3517 | OVS_NSH_KEY_ATTR_MAX, true)) { | |
3518 | continue; | |
3519 | } | |
3520 | ||
3521 | switch (type) { | |
3522 | case OVS_NSH_KEY_ATTR_UNSPEC: | |
3523 | break; | |
3524 | case OVS_NSH_KEY_ATTR_BASE: { | |
17553f27 YY |
3525 | const struct ovs_nsh_key_base *base = nl_attr_get(a); |
3526 | const struct ovs_nsh_key_base *base_mask | |
f59cb331 YY |
3527 | = ma ? nl_attr_get(ma) : NULL; |
3528 | nsh.flags = base->flags; | |
17553f27 | 3529 | nsh.ttl = base->ttl; |
f59cb331 YY |
3530 | nsh.mdtype = base->mdtype; |
3531 | nsh.np = base->np; | |
3532 | nsh.path_hdr = base->path_hdr; | |
3533 | if (base_mask) { | |
3534 | nsh_mask.flags = base_mask->flags; | |
17553f27 | 3535 | nsh_mask.ttl = base_mask->ttl; |
f59cb331 YY |
3536 | nsh_mask.mdtype = base_mask->mdtype; |
3537 | nsh_mask.np = base_mask->np; | |
3538 | nsh_mask.path_hdr = base_mask->path_hdr; | |
3539 | } | |
3540 | break; | |
3541 | } | |
3542 | case OVS_NSH_KEY_ATTR_MD1: { | |
17553f27 YY |
3543 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); |
3544 | const struct ovs_nsh_key_md1 *md1_mask | |
f59cb331 YY |
3545 | = ma ? nl_attr_get(ma) : NULL; |
3546 | memcpy(nsh.context, md1->context, sizeof md1->context); | |
3547 | if (md1_mask) { | |
3548 | memcpy(nsh_mask.context, md1_mask->context, | |
3549 | sizeof md1_mask->context); | |
3550 | } | |
3551 | break; | |
3552 | } | |
3553 | case OVS_NSH_KEY_ATTR_MD2: | |
3554 | case __OVS_NSH_KEY_ATTR_MAX: | |
3555 | default: | |
3556 | /* No support for matching other metadata formats yet. */ | |
3557 | break; | |
3558 | } | |
3559 | } | |
3560 | ||
3561 | if (mask_attr) { | |
3562 | format_nsh_key_mask(ds, &nsh, &nsh_mask); | |
3563 | } else { | |
3564 | format_nsh_key(ds, &nsh); | |
3565 | } | |
3566 | } | |
3567 | ||
65da723b JG |
3568 | static void |
3569 | format_odp_tun_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
3570 | struct ds *ds, bool verbose) | |
3571 | { | |
3572 | unsigned int left; | |
3573 | const struct nlattr *a; | |
3574 | uint16_t flags = 0; | |
3575 | uint16_t mask_flags = 0; | |
3576 | struct ofpbuf ofp; | |
3577 | ||
3578 | ofpbuf_init(&ofp, 100); | |
3579 | NL_NESTED_FOR_EACH(a, left, attr) { | |
3580 | enum ovs_tunnel_key_attr type = nl_attr_type(a); | |
3581 | const struct nlattr *ma = NULL; | |
3582 | ||
3583 | if (mask_attr) { | |
3584 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3585 | nl_attr_get_size(mask_attr), type); | |
3586 | if (!ma) { | |
3587 | ma = generate_all_wildcard_mask(ovs_tun_key_attr_lens, | |
3588 | OVS_TUNNEL_KEY_ATTR_MAX, | |
3589 | &ofp, a); | |
3590 | } | |
3591 | } | |
3592 | ||
3593 | if (!check_attr_len(ds, a, ma, ovs_tun_key_attr_lens, | |
3594 | OVS_TUNNEL_KEY_ATTR_MAX, true)) { | |
3595 | continue; | |
3596 | } | |
3597 | ||
3598 | switch (type) { | |
3599 | case OVS_TUNNEL_KEY_ATTR_ID: | |
3600 | format_be64(ds, "tun_id", nl_attr_get_be64(a), | |
3601 | ma ? nl_attr_get(ma) : NULL, verbose); | |
d39ec23d | 3602 | flags |= FLOW_TNL_F_KEY; |
65da723b JG |
3603 | if (ma) { |
3604 | mask_flags |= FLOW_TNL_F_KEY; | |
3605 | } | |
3606 | break; | |
3607 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
3608 | format_ipv4(ds, "src", nl_attr_get_be32(a), | |
3609 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3610 | break; | |
3611 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
3612 | format_ipv4(ds, "dst", nl_attr_get_be32(a), | |
3613 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3614 | break; | |
ffe4c74f JB |
3615 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: { |
3616 | struct in6_addr ipv6_src; | |
3617 | ipv6_src = nl_attr_get_in6_addr(a); | |
3618 | format_in6_addr(ds, "ipv6_src", &ipv6_src, | |
3619 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3620 | break; | |
3621 | } | |
3622 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: { | |
3623 | struct in6_addr ipv6_dst; | |
3624 | ipv6_dst = nl_attr_get_in6_addr(a); | |
3625 | format_in6_addr(ds, "ipv6_dst", &ipv6_dst, | |
3626 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3627 | break; | |
3628 | } | |
65da723b JG |
3629 | case OVS_TUNNEL_KEY_ATTR_TOS: |
3630 | format_u8x(ds, "tos", nl_attr_get_u8(a), | |
3631 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3632 | break; | |
3633 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
3634 | format_u8u(ds, "ttl", nl_attr_get_u8(a), | |
3635 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3636 | break; | |
3637 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
d39ec23d | 3638 | flags |= FLOW_TNL_F_DONT_FRAGMENT; |
65da723b JG |
3639 | break; |
3640 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
d39ec23d | 3641 | flags |= FLOW_TNL_F_CSUM; |
65da723b JG |
3642 | break; |
3643 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: | |
3644 | format_be16(ds, "tp_src", nl_attr_get_be16(a), | |
3645 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3646 | break; | |
3647 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
3648 | format_be16(ds, "tp_dst", nl_attr_get_be16(a), | |
3649 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3650 | break; | |
3651 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
d39ec23d | 3652 | flags |= FLOW_TNL_F_OAM; |
65da723b JG |
3653 | break; |
3654 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: | |
3655 | ds_put_cstr(ds, "vxlan("); | |
3656 | format_odp_tun_vxlan_opt(a, ma, ds, verbose); | |
3657 | ds_put_cstr(ds, "),"); | |
3658 | break; | |
3659 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: | |
622a0a8e JG |
3660 | ds_put_cstr(ds, "geneve("); |
3661 | format_odp_tun_geneve(a, ma, ds, verbose); | |
3662 | ds_put_cstr(ds, "),"); | |
3663 | break; | |
f3464818 PS |
3664 | case OVS_TUNNEL_KEY_ATTR_PAD: |
3665 | break; | |
320326e9 | 3666 | case OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS: |
98514eea WT |
3667 | ds_put_cstr(ds, "erspan("); |
3668 | format_odp_tun_erspan_opt(a, ma, ds, verbose); | |
3669 | ds_put_cstr(ds, "),"); | |
320326e9 | 3670 | break; |
65da723b JG |
3671 | case __OVS_TUNNEL_KEY_ATTR_MAX: |
3672 | default: | |
3673 | format_unknown_key(ds, a, ma); | |
3674 | } | |
3675 | ofpbuf_clear(&ofp); | |
3676 | } | |
3677 | ||
3678 | /* Flags can have a valid mask even if the attribute is not set, so | |
3679 | * we need to collect these separately. */ | |
3680 | if (mask_attr) { | |
3681 | NL_NESTED_FOR_EACH(a, left, mask_attr) { | |
3682 | switch (nl_attr_type(a)) { | |
3683 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
3684 | mask_flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
3685 | break; | |
3686 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
3687 | mask_flags |= FLOW_TNL_F_CSUM; | |
3688 | break; | |
3689 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
3690 | mask_flags |= FLOW_TNL_F_OAM; | |
3691 | break; | |
3692 | } | |
3693 | } | |
3694 | } | |
3695 | ||
3696 | format_tun_flags(ds, "flags", flags, mask_attr ? &mask_flags : NULL, | |
3697 | verbose); | |
3698 | ds_chomp(ds, ','); | |
3699 | ofpbuf_uninit(&ofp); | |
3700 | } | |
3701 | ||
07659514 JS |
3702 | static const char * |
3703 | odp_ct_state_to_string(uint32_t flag) | |
3704 | { | |
3705 | switch (flag) { | |
3706 | case OVS_CS_F_REPLY_DIR: | |
3707 | return "rpl"; | |
3708 | case OVS_CS_F_TRACKED: | |
3709 | return "trk"; | |
3710 | case OVS_CS_F_NEW: | |
3711 | return "new"; | |
3712 | case OVS_CS_F_ESTABLISHED: | |
3713 | return "est"; | |
3714 | case OVS_CS_F_RELATED: | |
3715 | return "rel"; | |
3716 | case OVS_CS_F_INVALID: | |
3717 | return "inv"; | |
819571b5 DDP |
3718 | case OVS_CS_F_SRC_NAT: |
3719 | return "snat"; | |
3720 | case OVS_CS_F_DST_NAT: | |
3721 | return "dnat"; | |
07659514 JS |
3722 | default: |
3723 | return NULL; | |
3724 | } | |
3725 | } | |
3726 | ||
2d18eae8 JR |
3727 | static void |
3728 | format_frag(struct ds *ds, const char *name, uint8_t key, | |
08fa0266 | 3729 | const uint8_t *mask, bool verbose OVS_UNUSED) |
2d18eae8 JR |
3730 | { |
3731 | bool mask_empty = mask && !*mask; | |
08fa0266 | 3732 | bool mask_full = !mask || *mask == UINT8_MAX; |
2d18eae8 JR |
3733 | |
3734 | /* ODP frag is an enumeration field; partial masks are not meaningful. */ | |
08fa0266 PB |
3735 | if (!mask_empty && !mask_full) { |
3736 | ds_put_format(ds, "error: partial mask not supported for frag (%#" | |
3737 | PRIx8"),", *mask); | |
3738 | } else if (!mask_empty) { | |
3739 | ds_put_format(ds, "%s=%s,", name, ovs_frag_type_to_string(key)); | |
2d18eae8 JR |
3740 | } |
3741 | } | |
3742 | ||
07659514 JS |
3743 | static bool |
3744 | mask_empty(const struct nlattr *ma) | |
3745 | { | |
3746 | const void *mask; | |
3747 | size_t n; | |
3748 | ||
3749 | if (!ma) { | |
3750 | return true; | |
3751 | } | |
3752 | mask = nl_attr_get(ma); | |
3753 | n = nl_attr_get_size(ma); | |
3754 | ||
3755 | return is_all_zeros(mask, n); | |
3756 | } | |
3757 | ||
2f73024d BP |
3758 | /* The caller must have already verified that 'a' and 'ma' have correct |
3759 | * lengths. */ | |
36956a7d | 3760 | static void |
2f73024d BP |
3761 | format_odp_key_attr__(const struct nlattr *a, const struct nlattr *ma, |
3762 | const struct hmap *portno_names, struct ds *ds, | |
3763 | bool verbose) | |
36956a7d | 3764 | { |
7a8e9ed2 | 3765 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 3766 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
dc8c5408 | 3767 | bool is_exact; |
36956a7d | 3768 | |
dc8c5408 | 3769 | is_exact = ma ? odp_mask_attr_is_exact(ma) : true; |
e6cc0bab | 3770 | |
e6603631 | 3771 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab | 3772 | |
e6cc0bab | 3773 | ds_put_char(ds, '('); |
7a8e9ed2 | 3774 | switch (attr) { |
fea393b1 | 3775 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
3776 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
3777 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
0a37839c | 3778 | nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds, |
041e7168 | 3779 | verbose); |
0a37839c GS |
3780 | } else if (nl_attr_get_size(a)) { |
3781 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL, | |
3782 | ds, verbose); | |
fea393b1 | 3783 | } |
fea393b1 BP |
3784 | break; |
3785 | ||
abff858b | 3786 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 3787 | case OVS_KEY_ATTR_SKB_MARK: |
572f732a AZ |
3788 | case OVS_KEY_ATTR_DP_HASH: |
3789 | case OVS_KEY_ATTR_RECIRC_ID: | |
e6cc0bab | 3790 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
dc8c5408 | 3791 | if (!is_exact) { |
e6cc0bab AZ |
3792 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
3793 | } | |
72e8bf28 AA |
3794 | break; |
3795 | ||
8e53fe8c JS |
3796 | case OVS_KEY_ATTR_CT_MARK: |
3797 | if (verbose || !mask_empty(ma)) { | |
3798 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
3799 | if (!is_exact) { | |
3800 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
3801 | } | |
3802 | } | |
3803 | break; | |
3804 | ||
07659514 JS |
3805 | case OVS_KEY_ATTR_CT_STATE: |
3806 | if (verbose) { | |
3807 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
3808 | if (!is_exact) { | |
3809 | ds_put_format(ds, "/%#"PRIx32, | |
3810 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma)); | |
3811 | } | |
3812 | } else if (!is_exact) { | |
3813 | format_flags_masked(ds, NULL, odp_ct_state_to_string, | |
3814 | nl_attr_get_u32(a), | |
3815 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma), | |
3816 | UINT32_MAX); | |
3817 | } else { | |
3818 | format_flags(ds, odp_ct_state_to_string, nl_attr_get_u32(a), '|'); | |
3819 | } | |
3820 | break; | |
3821 | ||
3822 | case OVS_KEY_ATTR_CT_ZONE: | |
3823 | if (verbose || !mask_empty(ma)) { | |
3824 | ds_put_format(ds, "%#"PRIx16, nl_attr_get_u16(a)); | |
3825 | if (!is_exact) { | |
3826 | ds_put_format(ds, "/%#"PRIx16, nl_attr_get_u16(ma)); | |
3827 | } | |
3828 | } | |
3829 | break; | |
3830 | ||
9daf2348 | 3831 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 BP |
3832 | const ovs_32aligned_u128 *value = nl_attr_get(a); |
3833 | const ovs_32aligned_u128 *mask = ma ? nl_attr_get(ma) : NULL; | |
9daf2348 JS |
3834 | |
3835 | format_u128(ds, value, mask, verbose); | |
3836 | break; | |
3837 | } | |
07659514 | 3838 | |
c30b4cea JR |
3839 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
3840 | const struct ovs_key_ct_tuple_ipv4 *key = nl_attr_get(a); | |
3841 | const struct ovs_key_ct_tuple_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
3842 | ||
3843 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
3844 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
3845 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
3846 | verbose); | |
3847 | format_be16(ds, "tp_src", key->src_port, MASK(mask, src_port), | |
3848 | verbose); | |
3849 | format_be16(ds, "tp_dst", key->dst_port, MASK(mask, dst_port), | |
3850 | verbose); | |
3851 | ds_chomp(ds, ','); | |
3852 | break; | |
3853 | } | |
3854 | ||
3855 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
3856 | const struct ovs_key_ct_tuple_ipv6 *key = nl_attr_get(a); | |
3857 | const struct ovs_key_ct_tuple_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
3858 | ||
3859 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), | |
3860 | verbose); | |
3861 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
3862 | verbose); | |
3863 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
3864 | verbose); | |
3865 | format_be16(ds, "src_port", key->src_port, MASK(mask, src_port), | |
3866 | verbose); | |
3867 | format_be16(ds, "dst_port", key->dst_port, MASK(mask, dst_port), | |
3868 | verbose); | |
3869 | ds_chomp(ds, ','); | |
3870 | break; | |
3871 | } | |
3872 | ||
65da723b JG |
3873 | case OVS_KEY_ATTR_TUNNEL: |
3874 | format_odp_tun_attr(a, ma, ds, verbose); | |
356af50b | 3875 | break; |
65da723b | 3876 | |
df2c07f4 | 3877 | case OVS_KEY_ATTR_IN_PORT: |
0722f341 BP |
3878 | if (is_exact) { |
3879 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
0a37839c GS |
3880 | } else { |
3881 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); | |
3882 | if (!is_exact) { | |
3883 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
3884 | } | |
e6cc0bab | 3885 | } |
36956a7d BP |
3886 | break; |
3887 | ||
beb75a40 | 3888 | case OVS_KEY_ATTR_PACKET_TYPE: { |
3d4b2e6e JS |
3889 | ovs_be32 value = nl_attr_get_be32(a); |
3890 | ovs_be32 mask = ma ? nl_attr_get_be32(ma) : OVS_BE32_MAX; | |
beb75a40 | 3891 | |
3d4b2e6e JS |
3892 | ovs_be16 ns = htons(pt_ns(value)); |
3893 | ovs_be16 ns_mask = htons(pt_ns(mask)); | |
3894 | format_be16(ds, "ns", ns, &ns_mask, verbose); | |
beb75a40 | 3895 | |
3d4b2e6e JS |
3896 | ovs_be16 ns_type = pt_ns_type_be(value); |
3897 | ovs_be16 ns_type_mask = pt_ns_type_be(mask); | |
3898 | format_be16x(ds, "id", ns_type, &ns_type_mask, verbose); | |
3899 | ||
3900 | ds_chomp(ds, ','); | |
beb75a40 JS |
3901 | break; |
3902 | } | |
3903 | ||
2d18eae8 JR |
3904 | case OVS_KEY_ATTR_ETHERNET: { |
3905 | const struct ovs_key_ethernet *mask = ma ? nl_attr_get(ma) : NULL; | |
3906 | const struct ovs_key_ethernet *key = nl_attr_get(a); | |
e6cc0bab | 3907 | |
2d18eae8 JR |
3908 | format_eth(ds, "src", key->eth_src, MASK(mask, eth_src), verbose); |
3909 | format_eth(ds, "dst", key->eth_dst, MASK(mask, eth_dst), verbose); | |
3910 | ds_chomp(ds, ','); | |
36956a7d | 3911 | break; |
2d18eae8 | 3912 | } |
fea393b1 | 3913 | case OVS_KEY_ATTR_VLAN: |
2d18eae8 JR |
3914 | format_vlan_tci(ds, nl_attr_get_be16(a), |
3915 | ma ? nl_attr_get_be16(ma) : OVS_BE16_MAX, verbose); | |
36956a7d BP |
3916 | break; |
3917 | ||
b02475c5 SH |
3918 | case OVS_KEY_ATTR_MPLS: { |
3919 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab | 3920 | const struct ovs_key_mpls *mpls_mask = NULL; |
8bfd0fda BP |
3921 | size_t size = nl_attr_get_size(a); |
3922 | ||
3923 | if (!size || size % sizeof *mpls_key) { | |
6d670e7f | 3924 | ds_put_format(ds, "(bad key length %"PRIuSIZE")", size); |
8bfd0fda BP |
3925 | return; |
3926 | } | |
dc8c5408 | 3927 | if (!is_exact) { |
e6cc0bab | 3928 | mpls_mask = nl_attr_get(ma); |
6d670e7f | 3929 | if (size != nl_attr_get_size(ma)) { |
8bfd0fda BP |
3930 | ds_put_format(ds, "(key length %"PRIuSIZE" != " |
3931 | "mask length %"PRIuSIZE")", | |
6d670e7f | 3932 | size, nl_attr_get_size(ma)); |
8bfd0fda BP |
3933 | return; |
3934 | } | |
e6cc0bab | 3935 | } |
8bfd0fda | 3936 | format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key); |
b02475c5 SH |
3937 | break; |
3938 | } | |
df2c07f4 | 3939 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab | 3940 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
dc8c5408 | 3941 | if (!is_exact) { |
e6cc0bab AZ |
3942 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); |
3943 | } | |
36956a7d BP |
3944 | break; |
3945 | ||
2d18eae8 JR |
3946 | case OVS_KEY_ATTR_IPV4: { |
3947 | const struct ovs_key_ipv4 *key = nl_attr_get(a); | |
3948 | const struct ovs_key_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
3949 | ||
3950 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
3951 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
3952 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
3953 | verbose); | |
3954 | format_u8x(ds, "tos", key->ipv4_tos, MASK(mask, ipv4_tos), verbose); | |
3955 | format_u8u(ds, "ttl", key->ipv4_ttl, MASK(mask, ipv4_ttl), verbose); | |
3956 | format_frag(ds, "frag", key->ipv4_frag, MASK(mask, ipv4_frag), | |
3957 | verbose); | |
3958 | ds_chomp(ds, ','); | |
36956a7d | 3959 | break; |
2d18eae8 JR |
3960 | } |
3961 | case OVS_KEY_ATTR_IPV6: { | |
3962 | const struct ovs_key_ipv6 *key = nl_attr_get(a); | |
3963 | const struct ovs_key_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
3964 | ||
932c96b7 JR |
3965 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), |
3966 | verbose); | |
3967 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
3968 | verbose); | |
2d18eae8 JR |
3969 | format_ipv6_label(ds, "label", key->ipv6_label, MASK(mask, ipv6_label), |
3970 | verbose); | |
3971 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
932c96b7 | 3972 | verbose); |
2d18eae8 | 3973 | format_u8x(ds, "tclass", key->ipv6_tclass, MASK(mask, ipv6_tclass), |
932c96b7 | 3974 | verbose); |
2d18eae8 | 3975 | format_u8u(ds, "hlimit", key->ipv6_hlimit, MASK(mask, ipv6_hlimit), |
932c96b7 | 3976 | verbose); |
2d18eae8 JR |
3977 | format_frag(ds, "frag", key->ipv6_frag, MASK(mask, ipv6_frag), |
3978 | verbose); | |
3979 | ds_chomp(ds, ','); | |
d31f1109 | 3980 | break; |
2d18eae8 JR |
3981 | } |
3982 | /* These have the same structure and format. */ | |
df2c07f4 | 3983 | case OVS_KEY_ATTR_TCP: |
2d18eae8 JR |
3984 | case OVS_KEY_ATTR_UDP: |
3985 | case OVS_KEY_ATTR_SCTP: { | |
3986 | const struct ovs_key_tcp *key = nl_attr_get(a); | |
3987 | const struct ovs_key_tcp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 3988 | |
2d18eae8 JR |
3989 | format_be16(ds, "src", key->tcp_src, MASK(mask, tcp_src), verbose); |
3990 | format_be16(ds, "dst", key->tcp_dst, MASK(mask, tcp_dst), verbose); | |
3991 | ds_chomp(ds, ','); | |
36956a7d | 3992 | break; |
2d18eae8 | 3993 | } |
dc235f7f | 3994 | case OVS_KEY_ATTR_TCP_FLAGS: |
dc235f7f | 3995 | if (!is_exact) { |
ea2735d3 JR |
3996 | format_flags_masked(ds, NULL, packet_tcp_flag_to_string, |
3997 | ntohs(nl_attr_get_be16(a)), | |
8e4c1621 JG |
3998 | TCP_FLAGS(nl_attr_get_be16(ma)), |
3999 | TCP_FLAGS(OVS_BE16_MAX)); | |
ea2735d3 JR |
4000 | } else { |
4001 | format_flags(ds, packet_tcp_flag_to_string, | |
8e4c1621 | 4002 | ntohs(nl_attr_get_be16(a)), '|'); |
dc235f7f JR |
4003 | } |
4004 | break; | |
4005 | ||
2d18eae8 JR |
4006 | case OVS_KEY_ATTR_ICMP: { |
4007 | const struct ovs_key_icmp *key = nl_attr_get(a); | |
4008 | const struct ovs_key_icmp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 4009 | |
2d18eae8 JR |
4010 | format_u8u(ds, "type", key->icmp_type, MASK(mask, icmp_type), verbose); |
4011 | format_u8u(ds, "code", key->icmp_code, MASK(mask, icmp_code), verbose); | |
4012 | ds_chomp(ds, ','); | |
36956a7d | 4013 | break; |
2d18eae8 JR |
4014 | } |
4015 | case OVS_KEY_ATTR_ICMPV6: { | |
4016 | const struct ovs_key_icmpv6 *key = nl_attr_get(a); | |
4017 | const struct ovs_key_icmpv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
36956a7d | 4018 | |
2d18eae8 JR |
4019 | format_u8u(ds, "type", key->icmpv6_type, MASK(mask, icmpv6_type), |
4020 | verbose); | |
4021 | format_u8u(ds, "code", key->icmpv6_code, MASK(mask, icmpv6_code), | |
4022 | verbose); | |
4023 | ds_chomp(ds, ','); | |
d31f1109 | 4024 | break; |
2d18eae8 JR |
4025 | } |
4026 | case OVS_KEY_ATTR_ARP: { | |
4027 | const struct ovs_key_arp *mask = ma ? nl_attr_get(ma) : NULL; | |
4028 | const struct ovs_key_arp *key = nl_attr_get(a); | |
d31f1109 | 4029 | |
2d18eae8 JR |
4030 | format_ipv4(ds, "sip", key->arp_sip, MASK(mask, arp_sip), verbose); |
4031 | format_ipv4(ds, "tip", key->arp_tip, MASK(mask, arp_tip), verbose); | |
4032 | format_be16(ds, "op", key->arp_op, MASK(mask, arp_op), verbose); | |
4033 | format_eth(ds, "sha", key->arp_sha, MASK(mask, arp_sha), verbose); | |
4034 | format_eth(ds, "tha", key->arp_tha, MASK(mask, arp_tha), verbose); | |
4035 | ds_chomp(ds, ','); | |
36956a7d | 4036 | break; |
2d18eae8 | 4037 | } |
df2c07f4 | 4038 | case OVS_KEY_ATTR_ND: { |
2d18eae8 JR |
4039 | const struct ovs_key_nd *mask = ma ? nl_attr_get(ma) : NULL; |
4040 | const struct ovs_key_nd *key = nl_attr_get(a); | |
e6cc0bab | 4041 | |
932c96b7 JR |
4042 | format_in6_addr(ds, "target", &key->nd_target, MASK(mask, nd_target), |
4043 | verbose); | |
2d18eae8 JR |
4044 | format_eth(ds, "sll", key->nd_sll, MASK(mask, nd_sll), verbose); |
4045 | format_eth(ds, "tll", key->nd_tll, MASK(mask, nd_tll), verbose); | |
685a51a5 | 4046 | |
2d18eae8 | 4047 | ds_chomp(ds, ','); |
685a51a5 JP |
4048 | break; |
4049 | } | |
9b2b8497 VDA |
4050 | case OVS_KEY_ATTR_ND_EXTENSIONS: { |
4051 | const struct ovs_key_nd_extensions *mask = ma ? nl_attr_get(ma) : NULL; | |
4052 | const struct ovs_key_nd_extensions *key = nl_attr_get(a); | |
4053 | ||
4054 | bool first = true; | |
4055 | format_be32_masked(ds, &first, "nd_reserved", key->nd_reserved, | |
4056 | OVS_BE32_MAX); | |
4057 | ds_put_char(ds, ','); | |
4058 | ||
4059 | format_u8u(ds, "nd_options_type", key->nd_options_type, | |
4060 | MASK(mask, nd_options_type), verbose); | |
4061 | ||
4062 | ds_chomp(ds, ','); | |
4063 | break; | |
4064 | } | |
3d2fbd70 | 4065 | case OVS_KEY_ATTR_NSH: { |
f59cb331 | 4066 | format_odp_nsh_attr(a, ma, ds); |
3d2fbd70 JS |
4067 | break; |
4068 | } | |
7a8e9ed2 BP |
4069 | case OVS_KEY_ATTR_UNSPEC: |
4070 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
4071 | default: |
4072 | format_generic_odp_key(a, ds); | |
dc8c5408 | 4073 | if (!is_exact) { |
e6cc0bab AZ |
4074 | ds_put_char(ds, '/'); |
4075 | format_generic_odp_key(ma, ds); | |
4076 | } | |
36956a7d BP |
4077 | break; |
4078 | } | |
e6cc0bab | 4079 | ds_put_char(ds, ')'); |
36956a7d BP |
4080 | } |
4081 | ||
2f73024d BP |
4082 | static void |
4083 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, | |
4084 | const struct hmap *portno_names, struct ds *ds, | |
4085 | bool verbose) | |
4086 | { | |
4087 | if (check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
4088 | OVS_KEY_ATTR_MAX, false)) { | |
4089 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); | |
4090 | } | |
4091 | } | |
4092 | ||
dc8c5408 | 4093 | static struct nlattr * |
6b8da9e9 JG |
4094 | generate_all_wildcard_mask(const struct attr_len_tbl tbl[], int max, |
4095 | struct ofpbuf *ofp, const struct nlattr *key) | |
dc8c5408 AZ |
4096 | { |
4097 | const struct nlattr *a; | |
4098 | unsigned int left; | |
4099 | int type = nl_attr_type(key); | |
4100 | int size = nl_attr_get_size(key); | |
4101 | ||
6b8da9e9 | 4102 | if (odp_key_attr_len(tbl, max, type) != ATTR_LEN_NESTED) { |
9ddf12cc | 4103 | nl_msg_put_unspec_zero(ofp, type, size); |
dc8c5408 AZ |
4104 | } else { |
4105 | size_t nested_mask; | |
4106 | ||
6b8da9e9 | 4107 | if (tbl[type].next) { |
464cc3ee BP |
4108 | const struct attr_len_tbl *entry = &tbl[type]; |
4109 | tbl = entry->next; | |
4110 | max = entry->next_max; | |
6b8da9e9 JG |
4111 | } |
4112 | ||
dc8c5408 AZ |
4113 | nested_mask = nl_msg_start_nested(ofp, type); |
4114 | NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) { | |
6b8da9e9 | 4115 | generate_all_wildcard_mask(tbl, max, ofp, nl_attr_get(a)); |
dc8c5408 AZ |
4116 | } |
4117 | nl_msg_end_nested(ofp, nested_mask); | |
4118 | } | |
4119 | ||
6fd6ed71 | 4120 | return ofp->base; |
dc8c5408 AZ |
4121 | } |
4122 | ||
9daf2348 | 4123 | static void |
ab79d262 BP |
4124 | format_u128(struct ds *ds, const ovs_32aligned_u128 *key, |
4125 | const ovs_32aligned_u128 *mask, bool verbose) | |
9daf2348 | 4126 | { |
ab79d262 BP |
4127 | if (verbose || (mask && !ovs_u128_is_zero(get_32aligned_u128(mask)))) { |
4128 | ovs_be128 value = hton128(get_32aligned_u128(key)); | |
9daf2348 | 4129 | ds_put_hex(ds, &value, sizeof value); |
ab79d262 BP |
4130 | if (mask && !(ovs_u128_is_ones(get_32aligned_u128(mask)))) { |
4131 | value = hton128(get_32aligned_u128(mask)); | |
9daf2348 JS |
4132 | ds_put_char(ds, '/'); |
4133 | ds_put_hex(ds, &value, sizeof value); | |
4134 | } | |
4135 | } | |
4136 | } | |
4137 | ||
b23ada8e JP |
4138 | /* Read the string from 's_' as a 128-bit value. If the string contains |
4139 | * a "/", the rest of the string will be treated as a 128-bit mask. | |
4140 | * | |
4141 | * If either the value or mask is larger than 64 bits, the string must | |
4142 | * be in hexadecimal. | |
4143 | */ | |
9daf2348 JS |
4144 | static int |
4145 | scan_u128(const char *s_, ovs_u128 *value, ovs_u128 *mask) | |
4146 | { | |
4147 | char *s = CONST_CAST(char *, s_); | |
4148 | ovs_be128 be_value; | |
4149 | ovs_be128 be_mask; | |
4150 | ||
4151 | if (!parse_int_string(s, (uint8_t *)&be_value, sizeof be_value, &s)) { | |
32ea15f6 | 4152 | *value = ntoh128(be_value); |
9daf2348 JS |
4153 | |
4154 | if (mask) { | |
4155 | int n; | |
4156 | ||
4157 | if (ovs_scan(s, "/%n", &n)) { | |
4158 | int error; | |
4159 | ||
4160 | s += n; | |
4161 | error = parse_int_string(s, (uint8_t *)&be_mask, | |
4162 | sizeof be_mask, &s); | |
4163 | if (error) { | |
2c539492 | 4164 | return 0; |
9daf2348 | 4165 | } |
32ea15f6 | 4166 | *mask = ntoh128(be_mask); |
9daf2348 JS |
4167 | } else { |
4168 | *mask = OVS_U128_MAX; | |
4169 | } | |
4170 | } | |
4171 | return s - s_; | |
4172 | } | |
4173 | ||
4174 | return 0; | |
4175 | } | |
4176 | ||
534a19b9 JS |
4177 | int |
4178 | odp_ufid_from_string(const char *s_, ovs_u128 *ufid) | |
4179 | { | |
4180 | const char *s = s_; | |
4181 | ||
4182 | if (ovs_scan(s, "ufid:")) { | |
534a19b9 | 4183 | s += 5; |
534a19b9 | 4184 | |
10e92b4f | 4185 | if (!uuid_from_string_prefix((struct uuid *)ufid, s)) { |
534a19b9 JS |
4186 | return -EINVAL; |
4187 | } | |
10e92b4f | 4188 | s += UUID_LEN; |
534a19b9 JS |
4189 | |
4190 | return s - s_; | |
4191 | } | |
4192 | ||
4193 | return 0; | |
4194 | } | |
4195 | ||
70e5ed6f JS |
4196 | void |
4197 | odp_format_ufid(const ovs_u128 *ufid, struct ds *ds) | |
4198 | { | |
10e92b4f | 4199 | ds_put_format(ds, "ufid:"UUID_FMT, UUID_ARGS((struct uuid *)ufid)); |
70e5ed6f JS |
4200 | } |
4201 | ||
36956a7d | 4202 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
e6cc0bab | 4203 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
73580638 | 4204 | * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is |
d1fd1ea9 | 4205 | * non-null, translates odp port number to its name. */ |
14608a15 | 4206 | void |
e6cc0bab AZ |
4207 | odp_flow_format(const struct nlattr *key, size_t key_len, |
4208 | const struct nlattr *mask, size_t mask_len, | |
0a37839c | 4209 | const struct hmap *portno_names, struct ds *ds, bool verbose) |
14608a15 | 4210 | { |
36956a7d BP |
4211 | if (key_len) { |
4212 | const struct nlattr *a; | |
4213 | unsigned int left; | |
e6cc0bab | 4214 | bool has_ethtype_key = false; |
efde1886 | 4215 | bool has_packet_type_key = false; |
dc8c5408 | 4216 | struct ofpbuf ofp; |
041e7168 | 4217 | bool first_field = true; |
36956a7d | 4218 | |
dc8c5408 | 4219 | ofpbuf_init(&ofp, 100); |
36956a7d | 4220 | NL_ATTR_FOR_EACH (a, left, key, key_len) { |
2f73024d BP |
4221 | int attr_type = nl_attr_type(a); |
4222 | const struct nlattr *ma = (mask && mask_len | |
4223 | ? nl_attr_find__(mask, mask_len, | |
4224 | attr_type) | |
4225 | : NULL); | |
4226 | if (!check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
4227 | OVS_KEY_ATTR_MAX, false)) { | |
4228 | continue; | |
4229 | } | |
4230 | ||
041e7168 AZ |
4231 | bool is_nested_attr; |
4232 | bool is_wildcard = false; | |
041e7168 AZ |
4233 | |
4234 | if (attr_type == OVS_KEY_ATTR_ETHERTYPE) { | |
e6cc0bab | 4235 | has_ethtype_key = true; |
efde1886 BP |
4236 | } else if (attr_type == OVS_KEY_ATTR_PACKET_TYPE) { |
4237 | has_packet_type_key = true; | |
e6cc0bab | 4238 | } |
041e7168 | 4239 | |
6b8da9e9 JG |
4240 | is_nested_attr = odp_key_attr_len(ovs_flow_key_attr_lens, |
4241 | OVS_KEY_ATTR_MAX, attr_type) == | |
4242 | ATTR_LEN_NESTED; | |
041e7168 | 4243 | |
e6cc0bab AZ |
4244 | if (mask && mask_len) { |
4245 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
041e7168 AZ |
4246 | is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true; |
4247 | } | |
4248 | ||
4249 | if (verbose || !is_wildcard || is_nested_attr) { | |
4250 | if (is_wildcard && !ma) { | |
6b8da9e9 JG |
4251 | ma = generate_all_wildcard_mask(ovs_flow_key_attr_lens, |
4252 | OVS_KEY_ATTR_MAX, | |
4253 | &ofp, a); | |
dc8c5408 | 4254 | } |
041e7168 AZ |
4255 | if (!first_field) { |
4256 | ds_put_char(ds, ','); | |
4257 | } | |
2f73024d | 4258 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); |
041e7168 | 4259 | first_field = false; |
efde1886 BP |
4260 | } else if (attr_type == OVS_KEY_ATTR_ETHERNET |
4261 | && !has_packet_type_key) { | |
4262 | /* This special case reflects differences between the kernel | |
4263 | * and userspace datapaths regarding the root type of the | |
4264 | * packet being matched (typically Ethernet but some tunnels | |
4265 | * can encapsulate IPv4 etc.). The kernel datapath does not | |
4266 | * have an explicit way to indicate packet type; instead: | |
4267 | * | |
4268 | * - If OVS_KEY_ATTR_ETHERNET is present, the packet is an | |
4269 | * Ethernet packet and OVS_KEY_ATTR_ETHERTYPE is the | |
4270 | * Ethertype encoded in the Ethernet header. | |
4271 | * | |
4272 | * - If OVS_KEY_ATTR_ETHERNET is absent, then the packet's | |
4273 | * root type is that encoded in OVS_KEY_ATTR_ETHERTYPE | |
4274 | * (i.e. if OVS_KEY_ATTR_ETHERTYPE is 0x0800 then the | |
4275 | * packet is an IPv4 packet). | |
4276 | * | |
4277 | * Thus, if OVS_KEY_ATTR_ETHERNET is present, even if it is | |
4278 | * all-wildcarded, it is important to print it. | |
4279 | * | |
4280 | * On the other hand, the userspace datapath supports | |
4281 | * OVS_KEY_ATTR_PACKET_TYPE and uses it to indicate the packet | |
4282 | * type. Thus, if OVS_KEY_ATTR_PACKET_TYPE is present, we need | |
4283 | * not print an all-wildcarded OVS_KEY_ATTR_ETHERNET. */ | |
4284 | if (!first_field) { | |
4285 | ds_put_char(ds, ','); | |
4286 | } | |
4287 | ds_put_cstr(ds, "eth()"); | |
e6cc0bab | 4288 | } |
dc8c5408 | 4289 | ofpbuf_clear(&ofp); |
36956a7d | 4290 | } |
dc8c5408 AZ |
4291 | ofpbuf_uninit(&ofp); |
4292 | ||
36956a7d | 4293 | if (left) { |
3a8cfc50 | 4294 | int i; |
1394054e | 4295 | |
36956a7d BP |
4296 | if (left == key_len) { |
4297 | ds_put_cstr(ds, "<empty>"); | |
4298 | } | |
3a8cfc50 BP |
4299 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
4300 | for (i = 0; i < left; i++) { | |
4301 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
4302 | } | |
4303 | ds_put_char(ds, ')'); | |
36956a7d | 4304 | } |
e6cc0bab | 4305 | if (!has_ethtype_key) { |
2f73024d BP |
4306 | const struct nlattr *ma = nl_attr_find__(mask, mask_len, |
4307 | OVS_KEY_ATTR_ETHERTYPE); | |
e6cc0bab AZ |
4308 | if (ma) { |
4309 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
4310 | ntohs(nl_attr_get_be16(ma))); | |
4311 | } | |
4312 | } | |
36956a7d BP |
4313 | } else { |
4314 | ds_put_cstr(ds, "<empty>"); | |
4315 | } | |
14608a15 | 4316 | } |
064af421 | 4317 | |
e6cc0bab AZ |
4318 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
4319 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
4320 | void | |
4321 | odp_flow_key_format(const struct nlattr *key, | |
4322 | size_t key_len, struct ds *ds) | |
4323 | { | |
0a37839c | 4324 | odp_flow_format(key, key_len, NULL, 0, NULL, ds, true); |
e6cc0bab AZ |
4325 | } |
4326 | ||
7257b535 BP |
4327 | static bool |
4328 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
4329 | { | |
4330 | if (!strcasecmp(s, "no")) { | |
4331 | *type = OVS_FRAG_TYPE_NONE; | |
4332 | } else if (!strcasecmp(s, "first")) { | |
4333 | *type = OVS_FRAG_TYPE_FIRST; | |
4334 | } else if (!strcasecmp(s, "later")) { | |
4335 | *type = OVS_FRAG_TYPE_LATER; | |
4336 | } else { | |
4337 | return false; | |
4338 | } | |
4339 | return true; | |
4340 | } | |
4341 | ||
2d18eae8 | 4342 | /* Parsing. */ |
b02475c5 | 4343 | |
3bffc610 | 4344 | static int |
74ff3298 | 4345 | scan_eth(const char *s, struct eth_addr *key, struct eth_addr *mask) |
3bffc610 | 4346 | { |
2d18eae8 | 4347 | int n; |
abff858b | 4348 | |
74ff3298 JR |
4349 | if (ovs_scan(s, ETH_ADDR_SCAN_FMT"%n", |
4350 | ETH_ADDR_SCAN_ARGS(*key), &n)) { | |
2d18eae8 JR |
4351 | int len = n; |
4352 | ||
4353 | if (mask) { | |
4354 | if (ovs_scan(s + len, "/"ETH_ADDR_SCAN_FMT"%n", | |
4355 | ETH_ADDR_SCAN_ARGS(*mask), &n)) { | |
4356 | len += n; | |
4357 | } else { | |
4358 | memset(mask, 0xff, sizeof *mask); | |
e6cc0bab | 4359 | } |
abff858b | 4360 | } |
2d18eae8 | 4361 | return len; |
abff858b | 4362 | } |
2d18eae8 JR |
4363 | return 0; |
4364 | } | |
abff858b | 4365 | |
2d18eae8 JR |
4366 | static int |
4367 | scan_ipv4(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4368 | { | |
4369 | int n; | |
72e8bf28 | 4370 | |
2d18eae8 JR |
4371 | if (ovs_scan(s, IP_SCAN_FMT"%n", IP_SCAN_ARGS(key), &n)) { |
4372 | int len = n; | |
4373 | ||
4374 | if (mask) { | |
4375 | if (ovs_scan(s + len, "/"IP_SCAN_FMT"%n", | |
4376 | IP_SCAN_ARGS(mask), &n)) { | |
4377 | len += n; | |
4378 | } else { | |
4379 | *mask = OVS_BE32_MAX; | |
e6cc0bab | 4380 | } |
72e8bf28 | 4381 | } |
2d18eae8 | 4382 | return len; |
72e8bf28 | 4383 | } |
2d18eae8 JR |
4384 | return 0; |
4385 | } | |
72e8bf28 | 4386 | |
2d18eae8 | 4387 | static int |
d15aef48 | 4388 | scan_in6_addr(const char *s, struct in6_addr *key, struct in6_addr *mask) |
2d18eae8 JR |
4389 | { |
4390 | int n; | |
4391 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
572f732a | 4392 | |
2d18eae8 JR |
4393 | if (ovs_scan(s, IPV6_SCAN_FMT"%n", ipv6_s, &n) |
4394 | && inet_pton(AF_INET6, ipv6_s, key) == 1) { | |
4395 | int len = n; | |
4396 | ||
4397 | if (mask) { | |
4398 | if (ovs_scan(s + len, "/"IPV6_SCAN_FMT"%n", ipv6_s, &n) | |
4399 | && inet_pton(AF_INET6, ipv6_s, mask) == 1) { | |
4400 | len += n; | |
4401 | } else { | |
4402 | memset(mask, 0xff, sizeof *mask); | |
78669073 | 4403 | } |
572f732a | 4404 | } |
2d18eae8 | 4405 | return len; |
572f732a | 4406 | } |
2d18eae8 JR |
4407 | return 0; |
4408 | } | |
572f732a | 4409 | |
2d18eae8 JR |
4410 | static int |
4411 | scan_ipv6_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4412 | { | |
4413 | int key_, mask_; | |
4414 | int n; | |
572f732a | 4415 | |
2d18eae8 JR |
4416 | if (ovs_scan(s, "%i%n", &key_, &n) |
4417 | && (key_ & ~IPV6_LABEL_MASK) == 0) { | |
4418 | int len = n; | |
29c7a2b2 | 4419 | |
2d18eae8 JR |
4420 | *key = htonl(key_); |
4421 | if (mask) { | |
4422 | if (ovs_scan(s + len, "/%i%n", &mask_, &n) | |
4423 | && (mask_ & ~IPV6_LABEL_MASK) == 0) { | |
4424 | len += n; | |
4425 | *mask = htonl(mask_); | |
4426 | } else { | |
4427 | *mask = htonl(IPV6_LABEL_MASK); | |
e6cc0bab | 4428 | } |
35651d6a | 4429 | } |
2d18eae8 | 4430 | return len; |
35651d6a | 4431 | } |
2d18eae8 JR |
4432 | return 0; |
4433 | } | |
35651d6a | 4434 | |
2d18eae8 JR |
4435 | static int |
4436 | scan_u8(const char *s, uint8_t *key, uint8_t *mask) | |
4437 | { | |
4438 | int n; | |
3bffc610 | 4439 | |
2d18eae8 JR |
4440 | if (ovs_scan(s, "%"SCNi8"%n", key, &n)) { |
4441 | int len = n; | |
4442 | ||
4443 | if (mask) { | |
4444 | if (ovs_scan(s + len, "/%"SCNi8"%n", mask, &n)) { | |
4445 | len += n; | |
4446 | } else { | |
4447 | *mask = UINT8_MAX; | |
e6cc0bab | 4448 | } |
3bffc610 | 4449 | } |
2d18eae8 | 4450 | return len; |
3bffc610 | 4451 | } |
2d18eae8 JR |
4452 | return 0; |
4453 | } | |
3bffc610 | 4454 | |
07659514 JS |
4455 | static int |
4456 | scan_u16(const char *s, uint16_t *key, uint16_t *mask) | |
4457 | { | |
4458 | int n; | |
4459 | ||
4460 | if (ovs_scan(s, "%"SCNi16"%n", key, &n)) { | |
4461 | int len = n; | |
4462 | ||
4463 | if (mask) { | |
4464 | if (ovs_scan(s + len, "/%"SCNi16"%n", mask, &n)) { | |
4465 | len += n; | |
4466 | } else { | |
4467 | *mask = UINT16_MAX; | |
4468 | } | |
4469 | } | |
4470 | return len; | |
4471 | } | |
4472 | return 0; | |
4473 | } | |
4474 | ||
2d18eae8 JR |
4475 | static int |
4476 | scan_u32(const char *s, uint32_t *key, uint32_t *mask) | |
4477 | { | |
4478 | int n; | |
e6cc0bab | 4479 | |
2d18eae8 JR |
4480 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
4481 | int len = n; | |
e6cc0bab | 4482 | |
2d18eae8 JR |
4483 | if (mask) { |
4484 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
4485 | len += n; | |
4486 | } else { | |
4487 | *mask = UINT32_MAX; | |
e6cc0bab | 4488 | } |
b2a60db8 | 4489 | } |
2d18eae8 | 4490 | return len; |
b2a60db8 | 4491 | } |
2d18eae8 JR |
4492 | return 0; |
4493 | } | |
b2a60db8 | 4494 | |
2d18eae8 JR |
4495 | static int |
4496 | scan_be16(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4497 | { | |
4498 | uint16_t key_, mask_; | |
4499 | int n; | |
3bffc610 | 4500 | |
2d18eae8 JR |
4501 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
4502 | int len = n; | |
e6cc0bab | 4503 | |
2d18eae8 JR |
4504 | *key = htons(key_); |
4505 | if (mask) { | |
4506 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { | |
4507 | len += n; | |
4508 | *mask = htons(mask_); | |
4509 | } else { | |
4510 | *mask = OVS_BE16_MAX; | |
e6cc0bab | 4511 | } |
3bffc610 | 4512 | } |
2d18eae8 | 4513 | return len; |
3bffc610 | 4514 | } |
2d18eae8 JR |
4515 | return 0; |
4516 | } | |
3bffc610 | 4517 | |
3d2fbd70 JS |
4518 | static int |
4519 | scan_be32(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4520 | { | |
4521 | uint32_t key_, mask_; | |
4522 | int n; | |
4523 | ||
4524 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { | |
4525 | int len = n; | |
4526 | ||
4527 | *key = htonl(key_); | |
4528 | if (mask) { | |
4529 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { | |
4530 | len += n; | |
4531 | *mask = htonl(mask_); | |
4532 | } else { | |
4533 | *mask = OVS_BE32_MAX; | |
4534 | } | |
4535 | } | |
4536 | return len; | |
4537 | } | |
4538 | return 0; | |
4539 | } | |
4540 | ||
2d18eae8 JR |
4541 | static int |
4542 | scan_be64(const char *s, ovs_be64 *key, ovs_be64 *mask) | |
4543 | { | |
4544 | uint64_t key_, mask_; | |
4545 | int n; | |
3bffc610 | 4546 | |
2d18eae8 JR |
4547 | if (ovs_scan(s, "%"SCNi64"%n", &key_, &n)) { |
4548 | int len = n; | |
4549 | ||
4550 | *key = htonll(key_); | |
4551 | if (mask) { | |
4552 | if (ovs_scan(s + len, "/%"SCNi64"%n", &mask_, &n)) { | |
4553 | len += n; | |
4554 | *mask = htonll(mask_); | |
4555 | } else { | |
4556 | *mask = OVS_BE64_MAX; | |
e6cc0bab | 4557 | } |
3bffc610 | 4558 | } |
2d18eae8 | 4559 | return len; |
3bffc610 | 4560 | } |
2d18eae8 JR |
4561 | return 0; |
4562 | } | |
3bffc610 | 4563 | |
2d18eae8 JR |
4564 | static int |
4565 | scan_tun_flags(const char *s, uint16_t *key, uint16_t *mask) | |
4566 | { | |
4567 | uint32_t flags, fmask; | |
4568 | int n; | |
3bffc610 | 4569 | |
8e4c1621 JG |
4570 | n = parse_odp_flags(s, flow_tun_flag_to_string, &flags, |
4571 | FLOW_TNL_F_MASK, mask ? &fmask : NULL); | |
2d18eae8 JR |
4572 | if (n >= 0 && s[n] == ')') { |
4573 | *key = flags; | |
4574 | if (mask) { | |
4575 | *mask = fmask; | |
3bffc610 | 4576 | } |
2d18eae8 | 4577 | return n + 1; |
3bffc610 | 4578 | } |
2d18eae8 JR |
4579 | return 0; |
4580 | } | |
3bffc610 | 4581 | |
2d18eae8 JR |
4582 | static int |
4583 | scan_tcp_flags(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4584 | { | |
4585 | uint32_t flags, fmask; | |
4586 | int n; | |
b02475c5 | 4587 | |
8e4c1621 JG |
4588 | n = parse_odp_flags(s, packet_tcp_flag_to_string, &flags, |
4589 | TCP_FLAGS(OVS_BE16_MAX), mask ? &fmask : NULL); | |
2d18eae8 JR |
4590 | if (n >= 0) { |
4591 | *key = htons(flags); | |
4592 | if (mask) { | |
4593 | *mask = htons(fmask); | |
b02475c5 | 4594 | } |
2d18eae8 | 4595 | return n; |
b02475c5 | 4596 | } |
2d18eae8 JR |
4597 | return 0; |
4598 | } | |
b02475c5 | 4599 | |
07659514 JS |
4600 | static uint32_t |
4601 | ovs_to_odp_ct_state(uint8_t state) | |
4602 | { | |
4603 | uint32_t odp = 0; | |
4604 | ||
fd6cd1bf BP |
4605 | #define CS_STATE(ENUM, INDEX, NAME) \ |
4606 | if (state & CS_##ENUM) { \ | |
4607 | odp |= OVS_CS_F_##ENUM; \ | |
819571b5 | 4608 | } |
fd6cd1bf BP |
4609 | CS_STATES |
4610 | #undef CS_STATE | |
07659514 JS |
4611 | |
4612 | return odp; | |
4613 | } | |
4614 | ||
4615 | static uint8_t | |
4616 | odp_to_ovs_ct_state(uint32_t flags) | |
4617 | { | |
4618 | uint32_t state = 0; | |
4619 | ||
fd6cd1bf BP |
4620 | #define CS_STATE(ENUM, INDEX, NAME) \ |
4621 | if (flags & OVS_CS_F_##ENUM) { \ | |
4622 | state |= CS_##ENUM; \ | |
819571b5 | 4623 | } |
fd6cd1bf BP |
4624 | CS_STATES |
4625 | #undef CS_STATE | |
07659514 JS |
4626 | |
4627 | return state; | |
4628 | } | |
4629 | ||
4630 | static int | |
4631 | scan_ct_state(const char *s, uint32_t *key, uint32_t *mask) | |
4632 | { | |
4633 | uint32_t flags, fmask; | |
4634 | int n; | |
4635 | ||
4636 | n = parse_flags(s, odp_ct_state_to_string, ')', NULL, NULL, &flags, | |
4637 | ovs_to_odp_ct_state(CS_SUPPORTED_MASK), | |
4638 | mask ? &fmask : NULL); | |
4639 | ||
4640 | if (n >= 0) { | |
4641 | *key = flags; | |
4642 | if (mask) { | |
4643 | *mask = fmask; | |
4644 | } | |
4645 | return n; | |
4646 | } | |
4647 | return 0; | |
4648 | } | |
4649 | ||
2d18eae8 JR |
4650 | static int |
4651 | scan_frag(const char *s, uint8_t *key, uint8_t *mask) | |
4652 | { | |
4653 | int n; | |
4654 | char frag[8]; | |
4655 | enum ovs_frag_type frag_type; | |
e6cc0bab | 4656 | |
2d18eae8 JR |
4657 | if (ovs_scan(s, "%7[a-z]%n", frag, &n) |
4658 | && ovs_frag_type_from_string(frag, &frag_type)) { | |
4659 | int len = n; | |
e6cc0bab | 4660 | |
2d18eae8 JR |
4661 | *key = frag_type; |
4662 | if (mask) { | |
4663 | *mask = UINT8_MAX; | |
3bffc610 | 4664 | } |
2d18eae8 | 4665 | return len; |
3bffc610 | 4666 | } |
2d18eae8 JR |
4667 | return 0; |
4668 | } | |
3bffc610 | 4669 | |
2d18eae8 JR |
4670 | static int |
4671 | scan_port(const char *s, uint32_t *key, uint32_t *mask, | |
4672 | const struct simap *port_names) | |
4673 | { | |
4674 | int n; | |
3bffc610 | 4675 | |
2d18eae8 JR |
4676 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
4677 | int len = n; | |
e6cc0bab | 4678 | |
2d18eae8 JR |
4679 | if (mask) { |
4680 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
4681 | len += n; | |
4682 | } else { | |
4683 | *mask = UINT32_MAX; | |
e6cc0bab | 4684 | } |
3bffc610 | 4685 | } |
2d18eae8 JR |
4686 | return len; |
4687 | } else if (port_names) { | |
4688 | const struct simap_node *node; | |
4689 | int len; | |
e6cc0bab | 4690 | |
2d18eae8 JR |
4691 | len = strcspn(s, ")"); |
4692 | node = simap_find_len(port_names, s, len); | |
4693 | if (node) { | |
4694 | *key = node->data; | |
e6cc0bab AZ |
4695 | |
4696 | if (mask) { | |
2d18eae8 | 4697 | *mask = UINT32_MAX; |
e6cc0bab | 4698 | } |
2d18eae8 | 4699 | return len; |
3bffc610 BP |
4700 | } |
4701 | } | |
2d18eae8 JR |
4702 | return 0; |
4703 | } | |
3bffc610 | 4704 | |
2d18eae8 JR |
4705 | /* Helper for vlan parsing. */ |
4706 | struct ovs_key_vlan__ { | |
4707 | ovs_be16 tci; | |
4708 | }; | |
dc235f7f | 4709 | |
2d18eae8 JR |
4710 | static bool |
4711 | set_be16_bf(ovs_be16 *bf, uint8_t bits, uint8_t offset, uint16_t value) | |
4712 | { | |
4713 | const uint16_t mask = ((1U << bits) - 1) << offset; | |
ea2735d3 | 4714 | |
2d18eae8 JR |
4715 | if (value >> bits) { |
4716 | return false; | |
dc235f7f JR |
4717 | } |
4718 | ||
2d18eae8 JR |
4719 | *bf = htons((ntohs(*bf) & ~mask) | (value << offset)); |
4720 | return true; | |
4721 | } | |
e6cc0bab | 4722 | |
2d18eae8 JR |
4723 | static int |
4724 | scan_be16_bf(const char *s, ovs_be16 *key, ovs_be16 *mask, uint8_t bits, | |
4725 | uint8_t offset) | |
4726 | { | |
4727 | uint16_t key_, mask_; | |
4728 | int n; | |
3bffc610 | 4729 | |
2d18eae8 JR |
4730 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
4731 | int len = n; | |
e6cc0bab | 4732 | |
2d18eae8 | 4733 | if (set_be16_bf(key, bits, offset, key_)) { |
e6cc0bab | 4734 | if (mask) { |
2d18eae8 JR |
4735 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { |
4736 | len += n; | |
4737 | ||
4738 | if (!set_be16_bf(mask, bits, offset, mask_)) { | |
4739 | return 0; | |
4740 | } | |
4741 | } else { | |
4742 | *mask |= htons(((1U << bits) - 1) << offset); | |
4743 | } | |
e6cc0bab | 4744 | } |
2d18eae8 | 4745 | return len; |
3bffc610 BP |
4746 | } |
4747 | } | |
2d18eae8 JR |
4748 | return 0; |
4749 | } | |
3bffc610 | 4750 | |
2d18eae8 JR |
4751 | static int |
4752 | scan_vid(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4753 | { | |
4754 | return scan_be16_bf(s, key, mask, 12, VLAN_VID_SHIFT); | |
4755 | } | |
c6bcb685 | 4756 | |
2d18eae8 JR |
4757 | static int |
4758 | scan_pcp(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4759 | { | |
4760 | return scan_be16_bf(s, key, mask, 3, VLAN_PCP_SHIFT); | |
4761 | } | |
c6bcb685 | 4762 | |
2d18eae8 JR |
4763 | static int |
4764 | scan_cfi(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4765 | { | |
4766 | return scan_be16_bf(s, key, mask, 1, VLAN_CFI_SHIFT); | |
4767 | } | |
c6bcb685 | 4768 | |
2d18eae8 JR |
4769 | /* For MPLS. */ |
4770 | static bool | |
4771 | set_be32_bf(ovs_be32 *bf, uint8_t bits, uint8_t offset, uint32_t value) | |
4772 | { | |
4773 | const uint32_t mask = ((1U << bits) - 1) << offset; | |
c6bcb685 | 4774 | |
2d18eae8 JR |
4775 | if (value >> bits) { |
4776 | return false; | |
c6bcb685 JS |
4777 | } |
4778 | ||
2d18eae8 JR |
4779 | *bf = htonl((ntohl(*bf) & ~mask) | (value << offset)); |
4780 | return true; | |
4781 | } | |
3bffc610 | 4782 | |
2d18eae8 JR |
4783 | static int |
4784 | scan_be32_bf(const char *s, ovs_be32 *key, ovs_be32 *mask, uint8_t bits, | |
4785 | uint8_t offset) | |
4786 | { | |
4787 | uint32_t key_, mask_; | |
4788 | int n; | |
3bffc610 | 4789 | |
2d18eae8 JR |
4790 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { |
4791 | int len = n; | |
e6cc0bab | 4792 | |
2d18eae8 | 4793 | if (set_be32_bf(key, bits, offset, key_)) { |
e6cc0bab | 4794 | if (mask) { |
2d18eae8 JR |
4795 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { |
4796 | len += n; | |
3bffc610 | 4797 | |
2d18eae8 JR |
4798 | if (!set_be32_bf(mask, bits, offset, mask_)) { |
4799 | return 0; | |
4800 | } | |
4801 | } else { | |
4802 | *mask |= htonl(((1U << bits) - 1) << offset); | |
4803 | } | |
e6cc0bab | 4804 | } |
2d18eae8 | 4805 | return len; |
3bffc610 BP |
4806 | } |
4807 | } | |
2d18eae8 JR |
4808 | return 0; |
4809 | } | |
3bffc610 | 4810 | |
2d18eae8 JR |
4811 | static int |
4812 | scan_mpls_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4813 | { | |
4814 | return scan_be32_bf(s, key, mask, 20, MPLS_LABEL_SHIFT); | |
4815 | } | |
3bffc610 | 4816 | |
2d18eae8 JR |
4817 | static int |
4818 | scan_mpls_tc(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4819 | { | |
4820 | return scan_be32_bf(s, key, mask, 3, MPLS_TC_SHIFT); | |
4821 | } | |
e6cc0bab | 4822 | |
2d18eae8 JR |
4823 | static int |
4824 | scan_mpls_ttl(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4825 | { | |
4826 | return scan_be32_bf(s, key, mask, 8, MPLS_TTL_SHIFT); | |
4827 | } | |
e6cc0bab | 4828 | |
2d18eae8 JR |
4829 | static int |
4830 | scan_mpls_bos(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4831 | { | |
4832 | return scan_be32_bf(s, key, mask, 1, MPLS_BOS_SHIFT); | |
4833 | } | |
4834 | ||
65da723b JG |
4835 | static int |
4836 | scan_vxlan_gbp(const char *s, uint32_t *key, uint32_t *mask) | |
4837 | { | |
4838 | const char *s_base = s; | |
3139b8e9 JR |
4839 | ovs_be16 id = 0, id_mask = 0; |
4840 | uint8_t flags = 0, flags_mask = 0; | |
4e9c96f0 | 4841 | int len; |
65da723b JG |
4842 | |
4843 | if (!strncmp(s, "id=", 3)) { | |
4844 | s += 3; | |
4e9c96f0 YS |
4845 | len = scan_be16(s, &id, mask ? &id_mask : NULL); |
4846 | if (len == 0) { | |
2d3deb58 | 4847 | return 0; |
4e9c96f0 YS |
4848 | } |
4849 | s += len; | |
65da723b JG |
4850 | } |
4851 | ||
4852 | if (s[0] == ',') { | |
4853 | s++; | |
4854 | } | |
4855 | if (!strncmp(s, "flags=", 6)) { | |
4856 | s += 6; | |
4e9c96f0 YS |
4857 | len = scan_u8(s, &flags, mask ? &flags_mask : NULL); |
4858 | if (len == 0) { | |
2d3deb58 | 4859 | return 0; |
4e9c96f0 YS |
4860 | } |
4861 | s += len; | |
65da723b JG |
4862 | } |
4863 | ||
4864 | if (!strncmp(s, "))", 2)) { | |
4865 | s += 2; | |
4866 | ||
4867 | *key = (flags << 16) | ntohs(id); | |
4868 | if (mask) { | |
4869 | *mask = (flags_mask << 16) | ntohs(id_mask); | |
4870 | } | |
4871 | ||
4872 | return s - s_base; | |
4873 | } | |
4874 | ||
4875 | return 0; | |
4876 | } | |
4877 | ||
98514eea WT |
4878 | static int |
4879 | scan_erspan_metadata(const char *s, | |
4880 | struct erspan_metadata *key, | |
4881 | struct erspan_metadata *mask) | |
4882 | { | |
4883 | const char *s_base = s; | |
4884 | uint32_t idx = 0, idx_mask = 0; | |
4885 | uint8_t ver = 0, dir = 0, hwid = 0; | |
4886 | uint8_t ver_mask = 0, dir_mask = 0, hwid_mask = 0; | |
4e9c96f0 | 4887 | int len; |
98514eea WT |
4888 | |
4889 | if (!strncmp(s, "ver=", 4)) { | |
4890 | s += 4; | |
4e9c96f0 YS |
4891 | len = scan_u8(s, &ver, mask ? &ver_mask : NULL); |
4892 | if (len == 0) { | |
2d3deb58 | 4893 | return 0; |
4e9c96f0 YS |
4894 | } |
4895 | s += len; | |
98514eea WT |
4896 | } |
4897 | ||
4898 | if (s[0] == ',') { | |
4899 | s++; | |
4900 | } | |
4901 | ||
4902 | if (ver == 1) { | |
4903 | if (!strncmp(s, "idx=", 4)) { | |
4904 | s += 4; | |
4e9c96f0 YS |
4905 | len = scan_u32(s, &idx, mask ? &idx_mask : NULL); |
4906 | if (len == 0) { | |
2d3deb58 | 4907 | return 0; |
4e9c96f0 YS |
4908 | } |
4909 | s += len; | |
98514eea WT |
4910 | } |
4911 | ||
4912 | if (!strncmp(s, ")", 1)) { | |
4913 | s += 1; | |
4914 | key->version = ver; | |
4915 | key->u.index = htonl(idx); | |
4916 | if (mask) { | |
4917 | mask->u.index = htonl(idx_mask); | |
4918 | } | |
4919 | } | |
4920 | return s - s_base; | |
4921 | ||
4922 | } else if (ver == 2) { | |
4923 | if (!strncmp(s, "dir=", 4)) { | |
4924 | s += 4; | |
4e9c96f0 YS |
4925 | len = scan_u8(s, &dir, mask ? &dir_mask : NULL); |
4926 | if (len == 0) { | |
2d3deb58 | 4927 | return 0; |
4e9c96f0 YS |
4928 | } |
4929 | s += len; | |
98514eea WT |
4930 | } |
4931 | if (s[0] == ',') { | |
4932 | s++; | |
4933 | } | |
4934 | if (!strncmp(s, "hwid=", 5)) { | |
4935 | s += 5; | |
4e9c96f0 YS |
4936 | len = scan_u8(s, &hwid, mask ? &hwid_mask : NULL); |
4937 | if (len == 0) { | |
2d3deb58 | 4938 | return 0; |
4e9c96f0 YS |
4939 | } |
4940 | s += len; | |
98514eea WT |
4941 | } |
4942 | ||
4943 | if (!strncmp(s, ")", 1)) { | |
4944 | s += 1; | |
4945 | key->version = ver; | |
4946 | key->u.md2.hwid = hwid; | |
4947 | key->u.md2.dir = dir; | |
4948 | if (mask) { | |
4949 | mask->u.md2.hwid = hwid_mask; | |
4950 | mask->u.md2.dir = dir_mask; | |
4951 | } | |
4952 | } | |
4953 | return s - s_base; | |
4954 | } | |
4955 | ||
4956 | return 0; | |
4957 | } | |
4958 | ||
622a0a8e JG |
4959 | static int |
4960 | scan_geneve(const char *s, struct geneve_scan *key, struct geneve_scan *mask) | |
4961 | { | |
4962 | const char *s_base = s; | |
c05c01cd JG |
4963 | struct geneve_opt *opt = key->d; |
4964 | struct geneve_opt *opt_mask = mask ? mask->d : NULL; | |
622a0a8e | 4965 | int len_remain = sizeof key->d; |
4e9c96f0 | 4966 | int len; |
622a0a8e JG |
4967 | |
4968 | while (s[0] == '{' && len_remain >= sizeof *opt) { | |
4969 | int data_len = 0; | |
4970 | ||
4971 | s++; | |
4972 | len_remain -= sizeof *opt; | |
4973 | ||
4974 | if (!strncmp(s, "class=", 6)) { | |
4975 | s += 6; | |
4e9c96f0 YS |
4976 | len = scan_be16(s, &opt->opt_class, |
4977 | mask ? &opt_mask->opt_class : NULL); | |
4978 | if (len == 0) { | |
2d3deb58 | 4979 | return 0; |
4e9c96f0 YS |
4980 | } |
4981 | s += len; | |
622a0a8e JG |
4982 | } else if (mask) { |
4983 | memset(&opt_mask->opt_class, 0, sizeof opt_mask->opt_class); | |
4984 | } | |
4985 | ||
4986 | if (s[0] == ',') { | |
4987 | s++; | |
4988 | } | |
4989 | if (!strncmp(s, "type=", 5)) { | |
4990 | s += 5; | |
4e9c96f0 YS |
4991 | len = scan_u8(s, &opt->type, mask ? &opt_mask->type : NULL); |
4992 | if (len == 0) { | |
2d3deb58 | 4993 | return 0; |
4e9c96f0 YS |
4994 | } |
4995 | s += len; | |
622a0a8e JG |
4996 | } else if (mask) { |
4997 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
4998 | } | |
4999 | ||
5000 | if (s[0] == ',') { | |
5001 | s++; | |
5002 | } | |
5003 | if (!strncmp(s, "len=", 4)) { | |
5004 | uint8_t opt_len, opt_len_mask; | |
5005 | s += 4; | |
4e9c96f0 YS |
5006 | len = scan_u8(s, &opt_len, mask ? &opt_len_mask : NULL); |
5007 | if (len == 0) { | |
2d3deb58 | 5008 | return 0; |
4e9c96f0 YS |
5009 | } |
5010 | s += len; | |
622a0a8e JG |
5011 | |
5012 | if (opt_len > 124 || opt_len % 4 || opt_len > len_remain) { | |
5013 | return 0; | |
5014 | } | |
5015 | opt->length = opt_len / 4; | |
5016 | if (mask) { | |
5017 | opt_mask->length = opt_len_mask; | |
5018 | } | |
5019 | data_len = opt_len; | |
5020 | } else if (mask) { | |
5021 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
5022 | } | |
5023 | ||
5024 | if (s[0] == ',') { | |
5025 | s++; | |
0f6379e7 IM |
5026 | if (parse_int_string(s, (uint8_t *)(opt + 1), |
5027 | data_len, (char **)&s)) { | |
5028 | return 0; | |
5029 | } | |
622a0a8e | 5030 | } |
622a0a8e JG |
5031 | if (mask) { |
5032 | if (s[0] == '/') { | |
5033 | s++; | |
5034 | if (parse_int_string(s, (uint8_t *)(opt_mask + 1), | |
5035 | data_len, (char **)&s)) { | |
5036 | return 0; | |
5037 | } | |
5038 | } | |
5039 | opt_mask->r1 = 0; | |
5040 | opt_mask->r2 = 0; | |
5041 | opt_mask->r3 = 0; | |
5042 | } | |
5043 | ||
5044 | if (s[0] == '}') { | |
5045 | s++; | |
5046 | opt += 1 + data_len / 4; | |
5047 | if (mask) { | |
5048 | opt_mask += 1 + data_len / 4; | |
5049 | } | |
5050 | len_remain -= data_len; | |
2d3deb58 YS |
5051 | } else { |
5052 | return 0; | |
622a0a8e JG |
5053 | } |
5054 | } | |
5055 | ||
5056 | if (s[0] == ')') { | |
4e9c96f0 | 5057 | len = sizeof key->d - len_remain; |
622a0a8e JG |
5058 | |
5059 | s++; | |
5060 | key->len = len; | |
5061 | if (mask) { | |
5062 | mask->len = len; | |
5063 | } | |
5064 | return s - s_base; | |
5065 | } | |
5066 | ||
5067 | return 0; | |
5068 | } | |
5069 | ||
65da723b JG |
5070 | static void |
5071 | tun_flags_to_attr(struct ofpbuf *a, const void *data_) | |
5072 | { | |
5073 | const uint16_t *flags = data_; | |
5074 | ||
5075 | if (*flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
5076 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
5077 | } | |
5078 | if (*flags & FLOW_TNL_F_CSUM) { | |
5079 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
5080 | } | |
5081 | if (*flags & FLOW_TNL_F_OAM) { | |
5082 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
5083 | } | |
5084 | } | |
5085 | ||
5086 | static void | |
5087 | vxlan_gbp_to_attr(struct ofpbuf *a, const void *data_) | |
5088 | { | |
5089 | const uint32_t *gbp = data_; | |
5090 | ||
5091 | if (*gbp) { | |
5092 | size_t vxlan_opts_ofs; | |
5093 | ||
5094 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
5095 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, *gbp); | |
5096 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
5097 | } | |
5098 | } | |
5099 | ||
622a0a8e JG |
5100 | static void |
5101 | geneve_to_attr(struct ofpbuf *a, const void *data_) | |
5102 | { | |
5103 | const struct geneve_scan *geneve = data_; | |
5104 | ||
5105 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, geneve->d, | |
5106 | geneve->len); | |
5107 | } | |
5108 | ||
98514eea WT |
5109 | static void |
5110 | erspan_to_attr(struct ofpbuf *a, const void *data_) | |
5111 | { | |
5112 | const struct erspan_metadata *md = data_; | |
5113 | ||
5114 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, md, | |
5115 | sizeof *md); | |
5116 | } | |
5117 | ||
65da723b JG |
5118 | #define SCAN_PUT_ATTR(BUF, ATTR, DATA, FUNC) \ |
5119 | { \ | |
5120 | unsigned long call_fn = (unsigned long)FUNC; \ | |
5121 | if (call_fn) { \ | |
5122 | typedef void (*fn)(struct ofpbuf *, const void *); \ | |
5123 | fn func = FUNC; \ | |
5124 | func(BUF, &(DATA)); \ | |
5125 | } else { \ | |
5126 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)); \ | |
5127 | } \ | |
2d18eae8 JR |
5128 | } |
5129 | ||
5130 | #define SCAN_IF(NAME) \ | |
5131 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5132 | const char *start = s; \ | |
5133 | int len; \ | |
5134 | \ | |
5135 | s += strlen(NAME) | |
5136 | ||
5137 | /* Usually no special initialization is needed. */ | |
5138 | #define SCAN_BEGIN(NAME, TYPE) \ | |
5139 | SCAN_IF(NAME); \ | |
5140 | TYPE skey, smask; \ | |
5141 | memset(&skey, 0, sizeof skey); \ | |
5142 | memset(&smask, 0, sizeof smask); \ | |
5143 | do { \ | |
5144 | len = 0; | |
5145 | ||
657ac953 JR |
5146 | /* Init as fully-masked as mask will not be scanned. */ |
5147 | #define SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) \ | |
5148 | SCAN_IF(NAME); \ | |
5149 | TYPE skey, smask; \ | |
5150 | memset(&skey, 0, sizeof skey); \ | |
5151 | memset(&smask, 0xff, sizeof smask); \ | |
5152 | do { \ | |
5153 | len = 0; | |
5154 | ||
2d18eae8 JR |
5155 | /* VLAN needs special initialization. */ |
5156 | #define SCAN_BEGIN_INIT(NAME, TYPE, KEY_INIT, MASK_INIT) \ | |
5157 | SCAN_IF(NAME); \ | |
5158 | TYPE skey = KEY_INIT; \ | |
5159 | TYPE smask = MASK_INIT; \ | |
5160 | do { \ | |
5161 | len = 0; | |
5162 | ||
5163 | /* Scan unnamed entry as 'TYPE' */ | |
5164 | #define SCAN_TYPE(TYPE, KEY, MASK) \ | |
5165 | len = scan_##TYPE(s, KEY, MASK); \ | |
5166 | if (len == 0) { \ | |
5167 | return -EINVAL; \ | |
5168 | } \ | |
5169 | s += len | |
5170 | ||
5171 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
5172 | #define SCAN_FIELD(NAME, TYPE, FIELD) \ | |
5173 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5174 | s += strlen(NAME); \ | |
5175 | SCAN_TYPE(TYPE, &skey.FIELD, mask ? &smask.FIELD : NULL); \ | |
5176 | continue; \ | |
5177 | } | |
5178 | ||
5179 | #define SCAN_FINISH() \ | |
5180 | } while (*s++ == ',' && len != 0); \ | |
5181 | if (s[-1] != ')') { \ | |
5182 | return -EINVAL; \ | |
5183 | } | |
5184 | ||
5185 | #define SCAN_FINISH_SINGLE() \ | |
5186 | } while (false); \ | |
5187 | if (*s++ != ')') { \ | |
5188 | return -EINVAL; \ | |
5189 | } | |
5190 | ||
65da723b JG |
5191 | /* Beginning of nested attribute. */ |
5192 | #define SCAN_BEGIN_NESTED(NAME, ATTR) \ | |
5193 | SCAN_IF(NAME); \ | |
c3013fd3 | 5194 | size_t key_offset, mask_offset = 0; \ |
65da723b JG |
5195 | key_offset = nl_msg_start_nested(key, ATTR); \ |
5196 | if (mask) { \ | |
5197 | mask_offset = nl_msg_start_nested(mask, ATTR); \ | |
5198 | } \ | |
5199 | do { \ | |
5200 | len = 0; | |
5201 | ||
5202 | #define SCAN_END_NESTED() \ | |
5203 | SCAN_FINISH(); \ | |
5204 | nl_msg_end_nested(key, key_offset); \ | |
5205 | if (mask) { \ | |
5206 | nl_msg_end_nested(mask, mask_offset); \ | |
5207 | } \ | |
5208 | return s - start; \ | |
5209 | } | |
5210 | ||
5211 | #define SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, FUNC) \ | |
5212 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5213 | TYPE skey, smask; \ | |
5214 | memset(&skey, 0, sizeof skey); \ | |
5215 | memset(&smask, 0xff, sizeof smask); \ | |
5216 | s += strlen(NAME); \ | |
5217 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
5218 | SCAN_PUT(ATTR, FUNC); \ | |
5219 | continue; \ | |
5220 | } | |
5221 | ||
5222 | #define SCAN_FIELD_NESTED(NAME, TYPE, SCAN_AS, ATTR) \ | |
5223 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, NULL) | |
5224 | ||
5225 | #define SCAN_FIELD_NESTED_FUNC(NAME, TYPE, SCAN_AS, FUNC) \ | |
5226 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, 0, FUNC) | |
5227 | ||
5228 | #define SCAN_PUT(ATTR, FUNC) \ | |
00ec4017 HE |
5229 | SCAN_PUT_ATTR(key, ATTR, skey, FUNC); \ |
5230 | if (mask) \ | |
5231 | SCAN_PUT_ATTR(mask, ATTR, smask, FUNC); \ | |
2d18eae8 JR |
5232 | |
5233 | #define SCAN_END(ATTR) \ | |
5234 | SCAN_FINISH(); \ | |
65da723b | 5235 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
5236 | return s - start; \ |
5237 | } | |
5238 | ||
8f79bb4d JR |
5239 | #define SCAN_BEGIN_ARRAY(NAME, TYPE, CNT) \ |
5240 | SCAN_IF(NAME); \ | |
5241 | TYPE skey[CNT], smask[CNT]; \ | |
5242 | memset(&skey, 0, sizeof skey); \ | |
5243 | memset(&smask, 0, sizeof smask); \ | |
5244 | int idx = 0, cnt = CNT; \ | |
5245 | uint64_t fields = 0; \ | |
5246 | do { \ | |
5247 | int field = 0; \ | |
5248 | len = 0; | |
5249 | ||
5250 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
5251 | #define SCAN_FIELD_ARRAY(NAME, TYPE, FIELD) \ | |
5252 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
5253 | if (fields & (1UL << field)) { \ | |
5254 | fields = 0; \ | |
5255 | if (++idx == cnt) { \ | |
5256 | break; \ | |
5257 | } \ | |
5258 | } \ | |
5259 | s += strlen(NAME); \ | |
5260 | SCAN_TYPE(TYPE, &skey[idx].FIELD, mask ? &smask[idx].FIELD : NULL); \ | |
5261 | fields |= 1UL << field; \ | |
5262 | continue; \ | |
5263 | } \ | |
5264 | field++; | |
5265 | ||
5266 | #define SCAN_PUT_ATTR_ARRAY(BUF, ATTR, DATA, CNT) \ | |
5267 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)[0] * (CNT)); \ | |
5268 | ||
5269 | #define SCAN_PUT_ARRAY(ATTR, CNT) \ | |
5270 | SCAN_PUT_ATTR_ARRAY(key, ATTR, skey, CNT); \ | |
5271 | if (mask) { \ | |
5272 | SCAN_PUT_ATTR_ARRAY(mask, ATTR, smask, CNT); \ | |
5273 | } | |
5274 | ||
5275 | #define SCAN_END_ARRAY(ATTR) \ | |
5276 | SCAN_FINISH(); \ | |
5277 | if (idx == cnt) { \ | |
5278 | return -EINVAL; \ | |
5279 | } \ | |
5280 | SCAN_PUT_ARRAY(ATTR, idx + 1); \ | |
5281 | return s - start; \ | |
5282 | } | |
5283 | ||
2d18eae8 JR |
5284 | #define SCAN_END_SINGLE(ATTR) \ |
5285 | SCAN_FINISH_SINGLE(); \ | |
65da723b | 5286 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
5287 | return s - start; \ |
5288 | } | |
5289 | ||
5290 | #define SCAN_SINGLE(NAME, TYPE, SCAN_AS, ATTR) \ | |
5291 | SCAN_BEGIN(NAME, TYPE) { \ | |
5292 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
5293 | } SCAN_END_SINGLE(ATTR) | |
5294 | ||
657ac953 JR |
5295 | #define SCAN_SINGLE_FULLY_MASKED(NAME, TYPE, SCAN_AS, ATTR) \ |
5296 | SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) { \ | |
5297 | SCAN_TYPE(SCAN_AS, &skey, NULL); \ | |
2d18eae8 JR |
5298 | } SCAN_END_SINGLE(ATTR) |
5299 | ||
5300 | /* scan_port needs one extra argument. */ | |
5301 | #define SCAN_SINGLE_PORT(NAME, TYPE, ATTR) \ | |
5302 | SCAN_BEGIN(NAME, TYPE) { \ | |
ac20d3fe YS |
5303 | len = scan_port(s, &skey, &smask, \ |
5304 | context->port_names); \ | |
2d18eae8 JR |
5305 | if (len == 0) { \ |
5306 | return -EINVAL; \ | |
5307 | } \ | |
5308 | s += len; \ | |
5309 | } SCAN_END_SINGLE(ATTR) | |
3bffc610 | 5310 | |
f59cb331 YY |
5311 | static int |
5312 | parse_odp_nsh_key_mask_attr(const char *s, struct ofpbuf *key, | |
5313 | struct ofpbuf *mask) | |
5314 | { | |
5315 | if (strncmp(s, "nsh(", 4) == 0) { | |
5316 | const char *start = s; | |
5317 | int len; | |
17553f27 YY |
5318 | struct ovs_key_nsh skey, smask; |
5319 | uint32_t spi = 0, spi_mask = 0; | |
5320 | uint8_t si = 0, si_mask = 0; | |
f59cb331 YY |
5321 | |
5322 | s += 4; | |
5323 | ||
5324 | memset(&skey, 0, sizeof skey); | |
5325 | memset(&smask, 0, sizeof smask); | |
5326 | do { | |
5327 | len = 0; | |
5328 | ||
5329 | if (strncmp(s, "flags=", 6) == 0) { | |
5330 | s += 6; | |
5331 | len = scan_u8(s, &skey.flags, mask ? &smask.flags : NULL); | |
5332 | if (len == 0) { | |
5333 | return -EINVAL; | |
5334 | } | |
5335 | s += len; | |
5336 | continue; | |
5337 | } | |
5338 | ||
5339 | if (strncmp(s, "mdtype=", 7) == 0) { | |
5340 | s += 7; | |
5341 | len = scan_u8(s, &skey.mdtype, mask ? &smask.mdtype : NULL); | |
5342 | if (len == 0) { | |
5343 | return -EINVAL; | |
5344 | } | |
5345 | s += len; | |
5346 | continue; | |
5347 | } | |
5348 | ||
5349 | if (strncmp(s, "np=", 3) == 0) { | |
5350 | s += 3; | |
5351 | len = scan_u8(s, &skey.np, mask ? &smask.np : NULL); | |
5352 | if (len == 0) { | |
5353 | return -EINVAL; | |
5354 | } | |
5355 | s += len; | |
5356 | continue; | |
5357 | } | |
5358 | ||
5359 | if (strncmp(s, "spi=", 4) == 0) { | |
5360 | s += 4; | |
17553f27 | 5361 | len = scan_u32(s, &spi, mask ? &spi_mask : NULL); |
f59cb331 YY |
5362 | if (len == 0) { |
5363 | return -EINVAL; | |
5364 | } | |
5365 | s += len; | |
5366 | continue; | |
5367 | } | |
5368 | ||
5369 | if (strncmp(s, "si=", 3) == 0) { | |
5370 | s += 3; | |
17553f27 | 5371 | len = scan_u8(s, &si, mask ? &si_mask : NULL); |
f59cb331 YY |
5372 | if (len == 0) { |
5373 | return -EINVAL; | |
5374 | } | |
5375 | s += len; | |
5376 | continue; | |
5377 | } | |
5378 | ||
5379 | if (strncmp(s, "c1=", 3) == 0) { | |
5380 | s += 3; | |
5381 | len = scan_be32(s, &skey.context[0], | |
5382 | mask ? &smask.context[0] : NULL); | |
5383 | if (len == 0) { | |
5384 | return -EINVAL; | |
5385 | } | |
5386 | s += len; | |
5387 | continue; | |
5388 | } | |
5389 | ||
5390 | if (strncmp(s, "c2=", 3) == 0) { | |
5391 | s += 3; | |
5392 | len = scan_be32(s, &skey.context[1], | |
5393 | mask ? &smask.context[1] : NULL); | |
5394 | if (len == 0) { | |
5395 | return -EINVAL; | |
5396 | } | |
5397 | s += len; | |
5398 | continue; | |
5399 | } | |
5400 | ||
5401 | if (strncmp(s, "c3=", 3) == 0) { | |
5402 | s += 3; | |
5403 | len = scan_be32(s, &skey.context[2], | |
5404 | mask ? &smask.context[2] : NULL); | |
5405 | if (len == 0) { | |
5406 | return -EINVAL; | |
5407 | } | |
5408 | s += len; | |
5409 | continue; | |
5410 | } | |
5411 | ||
5412 | if (strncmp(s, "c4=", 3) == 0) { | |
5413 | s += 3; | |
5414 | len = scan_be32(s, &skey.context[3], | |
5415 | mask ? &smask.context[3] : NULL); | |
5416 | if (len == 0) { | |
5417 | return -EINVAL; | |
5418 | } | |
5419 | s += len; | |
5420 | continue; | |
5421 | } | |
5422 | } while (*s++ == ',' && len != 0); | |
5423 | if (s[-1] != ')') { | |
5424 | return -EINVAL; | |
5425 | } | |
5426 | ||
17553f27 YY |
5427 | skey.path_hdr = nsh_spi_si_to_path_hdr(spi, si); |
5428 | smask.path_hdr = nsh_spi_si_to_path_hdr(spi_mask, si_mask); | |
5429 | ||
f59cb331 YY |
5430 | nsh_key_to_attr(key, &skey, NULL, 0, false); |
5431 | if (mask) { | |
5432 | nsh_key_to_attr(mask, &smask, NULL, 0, true); | |
5433 | } | |
5434 | return s - start; | |
5435 | } | |
5436 | return 0; | |
5437 | } | |
5438 | ||
2d18eae8 | 5439 | static int |
ac20d3fe | 5440 | parse_odp_key_mask_attr(struct parse_odp_context *context, const char *s, |
2d18eae8 JR |
5441 | struct ofpbuf *key, struct ofpbuf *mask) |
5442 | { | |
5443 | SCAN_SINGLE("skb_priority(", uint32_t, u32, OVS_KEY_ATTR_PRIORITY); | |
5444 | SCAN_SINGLE("skb_mark(", uint32_t, u32, OVS_KEY_ATTR_SKB_MARK); | |
657ac953 JR |
5445 | SCAN_SINGLE_FULLY_MASKED("recirc_id(", uint32_t, u32, |
5446 | OVS_KEY_ATTR_RECIRC_ID); | |
2d18eae8 JR |
5447 | SCAN_SINGLE("dp_hash(", uint32_t, u32, OVS_KEY_ATTR_DP_HASH); |
5448 | ||
07659514 JS |
5449 | SCAN_SINGLE("ct_state(", uint32_t, ct_state, OVS_KEY_ATTR_CT_STATE); |
5450 | SCAN_SINGLE("ct_zone(", uint16_t, u16, OVS_KEY_ATTR_CT_ZONE); | |
8e53fe8c | 5451 | SCAN_SINGLE("ct_mark(", uint32_t, u32, OVS_KEY_ATTR_CT_MARK); |
9daf2348 | 5452 | SCAN_SINGLE("ct_label(", ovs_u128, u128, OVS_KEY_ATTR_CT_LABELS); |
07659514 | 5453 | |
daf4d3c1 JR |
5454 | SCAN_BEGIN("ct_tuple4(", struct ovs_key_ct_tuple_ipv4) { |
5455 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
5456 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
5457 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
5458 | SCAN_FIELD("tp_src=", be16, src_port); | |
5459 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
5460 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4); | |
5461 | ||
5462 | SCAN_BEGIN("ct_tuple6(", struct ovs_key_ct_tuple_ipv6) { | |
5463 | SCAN_FIELD("src=", in6_addr, ipv6_src); | |
5464 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
5465 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
5466 | SCAN_FIELD("tp_src=", be16, src_port); | |
5467 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
5468 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6); | |
5469 | ||
65da723b JG |
5470 | SCAN_BEGIN_NESTED("tunnel(", OVS_KEY_ATTR_TUNNEL) { |
5471 | SCAN_FIELD_NESTED("tun_id=", ovs_be64, be64, OVS_TUNNEL_KEY_ATTR_ID); | |
5472 | SCAN_FIELD_NESTED("src=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_SRC); | |
5473 | SCAN_FIELD_NESTED("dst=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_DST); | |
ffe4c74f JB |
5474 | SCAN_FIELD_NESTED("ipv6_src=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_SRC); |
5475 | SCAN_FIELD_NESTED("ipv6_dst=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_DST); | |
65da723b JG |
5476 | SCAN_FIELD_NESTED("tos=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TOS); |
5477 | SCAN_FIELD_NESTED("ttl=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TTL); | |
5478 | SCAN_FIELD_NESTED("tp_src=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_SRC); | |
5479 | SCAN_FIELD_NESTED("tp_dst=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_DST); | |
98514eea WT |
5480 | SCAN_FIELD_NESTED_FUNC("erspan(", struct erspan_metadata, erspan_metadata, |
5481 | erspan_to_attr); | |
65da723b | 5482 | SCAN_FIELD_NESTED_FUNC("vxlan(gbp(", uint32_t, vxlan_gbp, vxlan_gbp_to_attr); |
622a0a8e JG |
5483 | SCAN_FIELD_NESTED_FUNC("geneve(", struct geneve_scan, geneve, |
5484 | geneve_to_attr); | |
65da723b JG |
5485 | SCAN_FIELD_NESTED_FUNC("flags(", uint16_t, tun_flags, tun_flags_to_attr); |
5486 | } SCAN_END_NESTED(); | |
2d18eae8 JR |
5487 | |
5488 | SCAN_SINGLE_PORT("in_port(", uint32_t, OVS_KEY_ATTR_IN_PORT); | |
5489 | ||
5490 | SCAN_BEGIN("eth(", struct ovs_key_ethernet) { | |
5491 | SCAN_FIELD("src=", eth, eth_src); | |
5492 | SCAN_FIELD("dst=", eth, eth_dst); | |
5493 | } SCAN_END(OVS_KEY_ATTR_ETHERNET); | |
5494 | ||
5495 | SCAN_BEGIN_INIT("vlan(", struct ovs_key_vlan__, | |
5496 | { htons(VLAN_CFI) }, { htons(VLAN_CFI) }) { | |
5497 | SCAN_FIELD("vid=", vid, tci); | |
5498 | SCAN_FIELD("pcp=", pcp, tci); | |
5499 | SCAN_FIELD("cfi=", cfi, tci); | |
5500 | } SCAN_END(OVS_KEY_ATTR_VLAN); | |
5501 | ||
5502 | SCAN_SINGLE("eth_type(", ovs_be16, be16, OVS_KEY_ATTR_ETHERTYPE); | |
5503 | ||
ab83c8c5 | 5504 | SCAN_BEGIN_ARRAY("mpls(", struct ovs_key_mpls, FLOW_MAX_MPLS_LABELS) { |
8f79bb4d JR |
5505 | SCAN_FIELD_ARRAY("label=", mpls_label, mpls_lse); |
5506 | SCAN_FIELD_ARRAY("tc=", mpls_tc, mpls_lse); | |
5507 | SCAN_FIELD_ARRAY("ttl=", mpls_ttl, mpls_lse); | |
5508 | SCAN_FIELD_ARRAY("bos=", mpls_bos, mpls_lse); | |
5509 | } SCAN_END_ARRAY(OVS_KEY_ATTR_MPLS); | |
2d18eae8 JR |
5510 | |
5511 | SCAN_BEGIN("ipv4(", struct ovs_key_ipv4) { | |
5512 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
5513 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
5514 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
5515 | SCAN_FIELD("tos=", u8, ipv4_tos); | |
5516 | SCAN_FIELD("ttl=", u8, ipv4_ttl); | |
5517 | SCAN_FIELD("frag=", frag, ipv4_frag); | |
5518 | } SCAN_END(OVS_KEY_ATTR_IPV4); | |
5519 | ||
5520 | SCAN_BEGIN("ipv6(", struct ovs_key_ipv6) { | |
932c96b7 JR |
5521 | SCAN_FIELD("src=", in6_addr, ipv6_src); |
5522 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
2d18eae8 JR |
5523 | SCAN_FIELD("label=", ipv6_label, ipv6_label); |
5524 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
5525 | SCAN_FIELD("tclass=", u8, ipv6_tclass); | |
5526 | SCAN_FIELD("hlimit=", u8, ipv6_hlimit); | |
5527 | SCAN_FIELD("frag=", frag, ipv6_frag); | |
5528 | } SCAN_END(OVS_KEY_ATTR_IPV6); | |
5529 | ||
5530 | SCAN_BEGIN("tcp(", struct ovs_key_tcp) { | |
5531 | SCAN_FIELD("src=", be16, tcp_src); | |
5532 | SCAN_FIELD("dst=", be16, tcp_dst); | |
5533 | } SCAN_END(OVS_KEY_ATTR_TCP); | |
5534 | ||
5535 | SCAN_SINGLE("tcp_flags(", ovs_be16, tcp_flags, OVS_KEY_ATTR_TCP_FLAGS); | |
5536 | ||
5537 | SCAN_BEGIN("udp(", struct ovs_key_udp) { | |
5538 | SCAN_FIELD("src=", be16, udp_src); | |
5539 | SCAN_FIELD("dst=", be16, udp_dst); | |
5540 | } SCAN_END(OVS_KEY_ATTR_UDP); | |
5541 | ||
5542 | SCAN_BEGIN("sctp(", struct ovs_key_sctp) { | |
5543 | SCAN_FIELD("src=", be16, sctp_src); | |
5544 | SCAN_FIELD("dst=", be16, sctp_dst); | |
5545 | } SCAN_END(OVS_KEY_ATTR_SCTP); | |
5546 | ||
5547 | SCAN_BEGIN("icmp(", struct ovs_key_icmp) { | |
5548 | SCAN_FIELD("type=", u8, icmp_type); | |
5549 | SCAN_FIELD("code=", u8, icmp_code); | |
5550 | } SCAN_END(OVS_KEY_ATTR_ICMP); | |
5551 | ||
5552 | SCAN_BEGIN("icmpv6(", struct ovs_key_icmpv6) { | |
5553 | SCAN_FIELD("type=", u8, icmpv6_type); | |
5554 | SCAN_FIELD("code=", u8, icmpv6_code); | |
5555 | } SCAN_END(OVS_KEY_ATTR_ICMPV6); | |
5556 | ||
5557 | SCAN_BEGIN("arp(", struct ovs_key_arp) { | |
5558 | SCAN_FIELD("sip=", ipv4, arp_sip); | |
5559 | SCAN_FIELD("tip=", ipv4, arp_tip); | |
5560 | SCAN_FIELD("op=", be16, arp_op); | |
5561 | SCAN_FIELD("sha=", eth, arp_sha); | |
5562 | SCAN_FIELD("tha=", eth, arp_tha); | |
5563 | } SCAN_END(OVS_KEY_ATTR_ARP); | |
5564 | ||
5565 | SCAN_BEGIN("nd(", struct ovs_key_nd) { | |
932c96b7 | 5566 | SCAN_FIELD("target=", in6_addr, nd_target); |
2d18eae8 JR |
5567 | SCAN_FIELD("sll=", eth, nd_sll); |
5568 | SCAN_FIELD("tll=", eth, nd_tll); | |
5569 | } SCAN_END(OVS_KEY_ATTR_ND); | |
5570 | ||
9b2b8497 VDA |
5571 | SCAN_BEGIN("nd_ext(", struct ovs_key_nd_extensions) { |
5572 | SCAN_FIELD("nd_reserved=", be32, nd_reserved); | |
5573 | SCAN_FIELD("nd_options_type=", u8, nd_options_type); | |
5574 | } SCAN_END(OVS_KEY_ATTR_ND_EXTENSIONS); | |
5575 | ||
3d4b2e6e JS |
5576 | struct packet_type { |
5577 | ovs_be16 ns; | |
5578 | ovs_be16 id; | |
5579 | }; | |
5580 | SCAN_BEGIN("packet_type(", struct packet_type) { | |
5581 | SCAN_FIELD("ns=", be16, ns); | |
5582 | SCAN_FIELD("id=", be16, id); | |
5583 | } SCAN_END(OVS_KEY_ATTR_PACKET_TYPE); | |
5584 | ||
f59cb331 YY |
5585 | /* nsh is nested, it needs special process */ |
5586 | int ret = parse_odp_nsh_key_mask_attr(s, key, mask); | |
5587 | if (ret < 0) { | |
5588 | return ret; | |
5589 | } else { | |
5590 | s += ret; | |
5591 | } | |
3d2fbd70 | 5592 | |
2d18eae8 | 5593 | /* Encap open-coded. */ |
fea393b1 BP |
5594 | if (!strncmp(s, "encap(", 6)) { |
5595 | const char *start = s; | |
e6cc0bab | 5596 | size_t encap, encap_mask = 0; |
fea393b1 | 5597 | |
ac20d3fe YS |
5598 | if (context->depth + 1 == MAX_ODP_NESTED) { |
5599 | return -EINVAL; | |
5600 | } | |
5601 | context->depth++; | |
5602 | ||
fea393b1 | 5603 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); |
e6cc0bab AZ |
5604 | if (mask) { |
5605 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
5606 | } | |
fea393b1 BP |
5607 | |
5608 | s += 6; | |
5609 | for (;;) { | |
5610 | int retval; | |
5611 | ||
70fbe375 | 5612 | s += strspn(s, delimiters); |
fea393b1 | 5613 | if (!*s) { |
ac20d3fe | 5614 | context->depth--; |
fea393b1 BP |
5615 | return -EINVAL; |
5616 | } else if (*s == ')') { | |
5617 | break; | |
5618 | } | |
5619 | ||
ac20d3fe | 5620 | retval = parse_odp_key_mask_attr(context, s, key, mask); |
fea393b1 | 5621 | if (retval < 0) { |
ac20d3fe | 5622 | context->depth--; |
fea393b1 BP |
5623 | return retval; |
5624 | } | |
401eacfb YS |
5625 | |
5626 | if (nl_attr_oversized(key->size - encap - NLA_HDRLEN)) { | |
5627 | return -E2BIG; | |
5628 | } | |
fea393b1 BP |
5629 | s += retval; |
5630 | } | |
5631 | s++; | |
5632 | ||
5633 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
5634 | if (mask) { |
5635 | nl_msg_end_nested(mask, encap_mask); | |
5636 | } | |
ac20d3fe | 5637 | context->depth--; |
fea393b1 BP |
5638 | |
5639 | return s - start; | |
5640 | } | |
5641 | ||
3bffc610 BP |
5642 | return -EINVAL; |
5643 | } | |
5644 | ||
df2c07f4 JP |
5645 | /* Parses the string representation of a datapath flow key, in the |
5646 | * format output by odp_flow_key_format(). Returns 0 if successful, | |
5647 | * otherwise a positive errno value. On success, the flow key is | |
5648 | * appended to 'key' as a series of Netlink attributes. On failure, no | |
5649 | * data is appended to 'key'. Either way, 'key''s data might be | |
5650 | * reallocated. | |
3bffc610 | 5651 | * |
44bac24b BP |
5652 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
5653 | * to a port number. (Port names may be used instead of port numbers in | |
5654 | * in_port.) | |
b2a60db8 | 5655 | * |
3bffc610 BP |
5656 | * On success, the attributes appended to 'key' are individually syntactically |
5657 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 5658 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 5659 | int |
e6cc0bab AZ |
5660 | odp_flow_from_string(const char *s, const struct simap *port_names, |
5661 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 | 5662 | { |
6fd6ed71 | 5663 | const size_t old_size = key->size; |
ac20d3fe YS |
5664 | struct parse_odp_context context = (struct parse_odp_context) { |
5665 | .port_names = port_names, | |
5666 | }; | |
3bffc610 BP |
5667 | for (;;) { |
5668 | int retval; | |
5669 | ||
7202cbe5 | 5670 | s += strspn(s, delimiters); |
3bffc610 BP |
5671 | if (!*s) { |
5672 | return 0; | |
5673 | } | |
5674 | ||
a1da3f29 YS |
5675 | /* Skip UFID. */ |
5676 | ovs_u128 ufid; | |
5677 | retval = odp_ufid_from_string(s, &ufid); | |
5678 | if (retval < 0) { | |
5679 | key->size = old_size; | |
5680 | return -retval; | |
5681 | } else if (retval > 0) { | |
5682 | s += retval; | |
5683 | s += s[0] == ' ' ? 1 : 0; | |
5684 | } | |
5685 | ||
ac20d3fe | 5686 | retval = parse_odp_key_mask_attr(&context, s, key, mask); |
3bffc610 | 5687 | if (retval < 0) { |
6fd6ed71 | 5688 | key->size = old_size; |
3bffc610 BP |
5689 | return -retval; |
5690 | } | |
5691 | s += retval; | |
5692 | } | |
5693 | ||
5694 | return 0; | |
5695 | } | |
5696 | ||
7257b535 | 5697 | static uint8_t |
3cea18ec | 5698 | ovs_to_odp_frag(uint8_t nw_frag, bool is_mask) |
7257b535 | 5699 | { |
3cea18ec JR |
5700 | if (is_mask) { |
5701 | /* Netlink interface 'enum ovs_frag_type' is an 8-bit enumeration type, | |
5702 | * not a set of flags or bitfields. Hence, if the struct flow nw_frag | |
5703 | * mask, which is a set of bits, has the FLOW_NW_FRAG_ANY as zero, we | |
5704 | * must use a zero mask for the netlink frag field, and all ones mask | |
5705 | * otherwise. */ | |
5706 | return (nw_frag & FLOW_NW_FRAG_ANY) ? UINT8_MAX : 0; | |
5707 | } | |
2c0f0be1 JR |
5708 | return !(nw_frag & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_NONE |
5709 | : nw_frag & FLOW_NW_FRAG_LATER ? OVS_FRAG_TYPE_LATER | |
5710 | : OVS_FRAG_TYPE_FIRST; | |
7257b535 BP |
5711 | } |
5712 | ||
3cea18ec JR |
5713 | static void get_ethernet_key(const struct flow *, struct ovs_key_ethernet *); |
5714 | static void put_ethernet_key(const struct ovs_key_ethernet *, struct flow *); | |
5715 | static void get_ipv4_key(const struct flow *, struct ovs_key_ipv4 *, | |
5716 | bool is_mask); | |
5717 | static void put_ipv4_key(const struct ovs_key_ipv4 *, struct flow *, | |
5718 | bool is_mask); | |
5719 | static void get_ipv6_key(const struct flow *, struct ovs_key_ipv6 *, | |
5720 | bool is_mask); | |
5721 | static void put_ipv6_key(const struct ovs_key_ipv6 *, struct flow *, | |
5722 | bool is_mask); | |
5723 | static void get_arp_key(const struct flow *, struct ovs_key_arp *); | |
5724 | static void put_arp_key(const struct ovs_key_arp *, struct flow *); | |
e60e935b SRCSA |
5725 | static void get_nd_key(const struct flow *, struct ovs_key_nd *); |
5726 | static void put_nd_key(const struct ovs_key_nd *, struct flow *); | |
3d2fbd70 JS |
5727 | static void get_nsh_key(const struct flow *flow, struct ovs_key_nsh *nsh, |
5728 | bool is_mask); | |
5729 | static void put_nsh_key(const struct ovs_key_nsh *nsh, struct flow *flow, | |
5730 | bool is_mask); | |
3cea18ec JR |
5731 | |
5732 | /* These share the same layout. */ | |
5733 | union ovs_key_tp { | |
5734 | struct ovs_key_tcp tcp; | |
5735 | struct ovs_key_udp udp; | |
5736 | struct ovs_key_sctp sctp; | |
5737 | }; | |
5738 | ||
5739 | static void get_tp_key(const struct flow *, union ovs_key_tp *); | |
5740 | static void put_tp_key(const union ovs_key_tp *, struct flow *); | |
431495b1 | 5741 | |
661cbcd5 | 5742 | static void |
5262eea1 JG |
5743 | odp_flow_key_from_flow__(const struct odp_flow_key_parms *parms, |
5744 | bool export_mask, struct ofpbuf *buf) | |
14608a15 | 5745 | { |
df2c07f4 | 5746 | struct ovs_key_ethernet *eth_key; |
f0fb825a EG |
5747 | size_t encap[FLOW_MAX_VLAN_HEADERS] = {0}; |
5748 | size_t max_vlans; | |
5262eea1 | 5749 | const struct flow *flow = parms->flow; |
beb75a40 JS |
5750 | const struct flow *mask = parms->mask; |
5751 | const struct flow *data = export_mask ? mask : flow; | |
661cbcd5 | 5752 | |
54bb0348 | 5753 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority); |
abff858b | 5754 | |
ffe4c74f | 5755 | if (flow_tnl_dst_is_set(&flow->tunnel) || export_mask) { |
ec1f6f32 | 5756 | tun_key_to_attr(buf, &data->tunnel, &parms->flow->tunnel, |
c6d87201 | 5757 | parms->key_buf, NULL); |
36956a7d BP |
5758 | } |
5759 | ||
1362e248 | 5760 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark); |
72e8bf28 | 5761 | |
07659514 JS |
5762 | if (parms->support.ct_state) { |
5763 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
5764 | ovs_to_odp_ct_state(data->ct_state)); | |
5765 | } | |
5766 | if (parms->support.ct_zone) { | |
5767 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, data->ct_zone); | |
5768 | } | |
8e53fe8c JS |
5769 | if (parms->support.ct_mark) { |
5770 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, data->ct_mark); | |
5771 | } | |
9daf2348 JS |
5772 | if (parms->support.ct_label) { |
5773 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &data->ct_label, | |
5774 | sizeof(data->ct_label)); | |
5775 | } | |
7b5bbe5d JS |
5776 | if (flow->ct_nw_proto) { |
5777 | if (parms->support.ct_orig_tuple | |
5778 | && flow->dl_type == htons(ETH_TYPE_IP)) { | |
daf4d3c1 JR |
5779 | struct ovs_key_ct_tuple_ipv4 ct = { |
5780 | data->ct_nw_src, | |
5781 | data->ct_nw_dst, | |
5782 | data->ct_tp_src, | |
5783 | data->ct_tp_dst, | |
5784 | data->ct_nw_proto, | |
5785 | }; | |
5786 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, &ct, | |
5787 | sizeof ct); | |
7b5bbe5d JS |
5788 | } else if (parms->support.ct_orig_tuple6 |
5789 | && flow->dl_type == htons(ETH_TYPE_IPV6)) { | |
daf4d3c1 JR |
5790 | struct ovs_key_ct_tuple_ipv6 ct = { |
5791 | data->ct_ipv6_src, | |
5792 | data->ct_ipv6_dst, | |
5793 | data->ct_tp_src, | |
5794 | data->ct_tp_dst, | |
5795 | data->ct_nw_proto, | |
5796 | }; | |
5797 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, &ct, | |
5798 | sizeof ct); | |
5799 | } | |
5800 | } | |
2494ccd7 | 5801 | if (parms->support.recirc) { |
572f732a | 5802 | nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id); |
572f732a AZ |
5803 | nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash); |
5804 | } | |
5805 | ||
098d2a97 | 5806 | /* Add an ingress port attribute if this is a mask or 'in_port.odp_port' |
661cbcd5 | 5807 | * is not the magical value "ODPP_NONE". */ |
098d2a97 JG |
5808 | if (export_mask || flow->in_port.odp_port != ODPP_NONE) { |
5809 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, data->in_port.odp_port); | |
18886b60 | 5810 | } |
36956a7d | 5811 | |
3d4b2e6e | 5812 | nl_msg_put_be32(buf, OVS_KEY_ATTR_PACKET_TYPE, data->packet_type); |
36956a7d | 5813 | |
f0fb825a EG |
5814 | if (OVS_UNLIKELY(parms->probe)) { |
5815 | max_vlans = FLOW_MAX_VLAN_HEADERS; | |
5816 | } else { | |
5817 | max_vlans = MIN(parms->support.max_vlan_headers, flow_vlan_limit); | |
5818 | } | |
f0fb825a | 5819 | |
beb75a40 JS |
5820 | /* Conditionally add L2 attributes for Ethernet packets */ |
5821 | if (flow->packet_type == htonl(PT_ETH)) { | |
5822 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, | |
5823 | sizeof *eth_key); | |
5824 | get_ethernet_key(data, eth_key); | |
5825 | ||
5826 | for (int encaps = 0; encaps < max_vlans; encaps++) { | |
5827 | ovs_be16 tpid = flow->vlans[encaps].tpid; | |
5828 | ||
5829 | if (flow->vlans[encaps].tci == htons(0)) { | |
5830 | if (eth_type_vlan(flow->dl_type)) { | |
5831 | /* If VLAN was truncated the tpid is in dl_type */ | |
5832 | tpid = flow->dl_type; | |
5833 | } else { | |
5834 | break; | |
5835 | } | |
f0fb825a | 5836 | } |
f0fb825a | 5837 | |
beb75a40 JS |
5838 | if (export_mask) { |
5839 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); | |
5840 | } else { | |
5841 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, tpid); | |
5842 | } | |
5843 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlans[encaps].tci); | |
5844 | encap[encaps] = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); | |
5845 | if (flow->vlans[encaps].tci == htons(0)) { | |
5846 | goto unencap; | |
5847 | } | |
8ddc056d | 5848 | } |
36956a7d BP |
5849 | } |
5850 | ||
5851 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
661cbcd5 JP |
5852 | /* For backwards compatibility with kernels that don't support |
5853 | * wildcarding, the following convention is used to encode the | |
5854 | * OVS_KEY_ATTR_ETHERTYPE for key and mask: | |
5855 | * | |
5856 | * key mask matches | |
5857 | * -------- -------- ------- | |
5858 | * >0x5ff 0xffff Specified Ethernet II Ethertype. | |
5859 | * >0x5ff 0 Any Ethernet II or non-Ethernet II frame. | |
5860 | * <none> 0xffff Any non-Ethernet II frame (except valid | |
5861 | * 802.3 SNAP packet with valid eth_type). | |
5862 | */ | |
fbfe01de | 5863 | if (export_mask) { |
b8266395 | 5864 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
661cbcd5 | 5865 | } |
fea393b1 | 5866 | goto unencap; |
36956a7d BP |
5867 | } |
5868 | ||
661cbcd5 | 5869 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type); |
36956a7d | 5870 | |
f0fb825a EG |
5871 | if (eth_type_vlan(flow->dl_type)) { |
5872 | goto unencap; | |
5873 | } | |
5874 | ||
36956a7d | 5875 | if (flow->dl_type == htons(ETH_TYPE_IP)) { |
df2c07f4 | 5876 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 5877 | |
df2c07f4 | 5878 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d | 5879 | sizeof *ipv4_key); |
3cea18ec | 5880 | get_ipv4_key(data, ipv4_key, export_mask); |
d31f1109 | 5881 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 5882 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 5883 | |
df2c07f4 | 5884 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 | 5885 | sizeof *ipv6_key); |
3cea18ec | 5886 | get_ipv6_key(data, ipv6_key, export_mask); |
8087f5ff MM |
5887 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
5888 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 5889 | struct ovs_key_arp *arp_key; |
d31f1109 | 5890 | |
3cea18ec JR |
5891 | arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP, |
5892 | sizeof *arp_key); | |
5893 | get_arp_key(data, arp_key); | |
b0a17866 | 5894 | } else if (eth_type_mpls(flow->dl_type)) { |
b02475c5 | 5895 | struct ovs_key_mpls *mpls_key; |
8bfd0fda | 5896 | int i, n; |
b02475c5 | 5897 | |
8bfd0fda | 5898 | n = flow_count_mpls_labels(flow, NULL); |
5262eea1 | 5899 | if (export_mask) { |
2494ccd7 | 5900 | n = MIN(n, parms->support.max_mpls_depth); |
5262eea1 | 5901 | } |
b02475c5 | 5902 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, |
8bfd0fda BP |
5903 | n * sizeof *mpls_key); |
5904 | for (i = 0; i < n; i++) { | |
5905 | mpls_key[i].mpls_lse = data->mpls_lse[i]; | |
5906 | } | |
3d2fbd70 | 5907 | } else if (flow->dl_type == htons(ETH_TYPE_NSH)) { |
f59cb331 | 5908 | nsh_key_to_attr(buf, &data->nsh, NULL, 0, export_mask); |
b02475c5 SH |
5909 | } |
5910 | ||
48cecbdc | 5911 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 5912 | if (flow->nw_proto == IPPROTO_TCP) { |
3cea18ec | 5913 | union ovs_key_tp *tcp_key; |
36956a7d | 5914 | |
df2c07f4 | 5915 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d | 5916 | sizeof *tcp_key); |
3cea18ec | 5917 | get_tp_key(data, tcp_key); |
7cb32412 | 5918 | if (data->tcp_flags || (mask && mask->tcp_flags)) { |
dc235f7f JR |
5919 | nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags); |
5920 | } | |
6767a2cc | 5921 | } else if (flow->nw_proto == IPPROTO_UDP) { |
3cea18ec | 5922 | union ovs_key_tp *udp_key; |
36956a7d | 5923 | |
df2c07f4 | 5924 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d | 5925 | sizeof *udp_key); |
3cea18ec | 5926 | get_tp_key(data, udp_key); |
c6bcb685 | 5927 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
3cea18ec | 5928 | union ovs_key_tp *sctp_key; |
c6bcb685 JS |
5929 | |
5930 | sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP, | |
5931 | sizeof *sctp_key); | |
3cea18ec | 5932 | get_tp_key(data, sctp_key); |
d31f1109 JP |
5933 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
5934 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 5935 | struct ovs_key_icmp *icmp_key; |
36956a7d | 5936 | |
df2c07f4 | 5937 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d | 5938 | sizeof *icmp_key); |
661cbcd5 JP |
5939 | icmp_key->icmp_type = ntohs(data->tp_src); |
5940 | icmp_key->icmp_code = ntohs(data->tp_dst); | |
d31f1109 JP |
5941 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
5942 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 5943 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 5944 | |
df2c07f4 | 5945 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 | 5946 | sizeof *icmpv6_key); |
661cbcd5 JP |
5947 | icmpv6_key->icmpv6_type = ntohs(data->tp_src); |
5948 | icmpv6_key->icmpv6_code = ntohs(data->tp_dst); | |
685a51a5 | 5949 | |
c17fcc0a | 5950 | if (is_nd(flow, NULL) |
a63e3dc9 DDP |
5951 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, ICMP |
5952 | * type and code are 8 bits wide. Therefore, an exact match | |
5953 | * looks like htons(0xff), not htons(0xffff). See | |
5954 | * xlate_wc_finish() for details. */ | |
5955 | && (!export_mask || (data->tp_src == htons(0xff) | |
5956 | && data->tp_dst == htons(0xff)))) { | |
df2c07f4 | 5957 | struct ovs_key_nd *nd_key; |
9b2b8497 | 5958 | struct ovs_key_nd_extensions *nd_ext_key; |
df2c07f4 | 5959 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 | 5960 | sizeof *nd_key); |
932c96b7 | 5961 | nd_key->nd_target = data->nd_target; |
74ff3298 JR |
5962 | nd_key->nd_sll = data->arp_sha; |
5963 | nd_key->nd_tll = data->arp_tha; | |
9b2b8497 VDA |
5964 | |
5965 | /* Add ND Extensions Attr only if reserved field | |
5966 | * or options type is set. */ | |
5967 | if (data->igmp_group_ip4 != 0 || | |
5968 | data->tcp_flags != 0) { | |
5969 | nd_ext_key = | |
5970 | nl_msg_put_unspec_uninit(buf, | |
5971 | OVS_KEY_ATTR_ND_EXTENSIONS, | |
5972 | sizeof *nd_ext_key); | |
5973 | nd_ext_key->nd_reserved = data->igmp_group_ip4; | |
5974 | nd_ext_key->nd_options_type = ntohs(data->tcp_flags); | |
5975 | } | |
685a51a5 | 5976 | } |
36956a7d | 5977 | } |
36956a7d | 5978 | } |
fea393b1 BP |
5979 | |
5980 | unencap: | |
f0fb825a EG |
5981 | for (int encaps = max_vlans - 1; encaps >= 0; encaps--) { |
5982 | if (encap[encaps]) { | |
5983 | nl_msg_end_nested(buf, encap[encaps]); | |
5984 | } | |
fea393b1 | 5985 | } |
36956a7d | 5986 | } |
661cbcd5 JP |
5987 | |
5988 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. | |
661cbcd5 JP |
5989 | * |
5990 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 5991 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 5992 | void |
5262eea1 JG |
5993 | odp_flow_key_from_flow(const struct odp_flow_key_parms *parms, |
5994 | struct ofpbuf *buf) | |
661cbcd5 | 5995 | { |
5262eea1 | 5996 | odp_flow_key_from_flow__(parms, false, buf); |
661cbcd5 JP |
5997 | } |
5998 | ||
5999 | /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to | |
5262eea1 | 6000 | * 'buf'. |
661cbcd5 JP |
6001 | * |
6002 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 6003 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 6004 | void |
5262eea1 JG |
6005 | odp_flow_key_from_mask(const struct odp_flow_key_parms *parms, |
6006 | struct ofpbuf *buf) | |
661cbcd5 | 6007 | { |
5262eea1 | 6008 | odp_flow_key_from_flow__(parms, true, buf); |
661cbcd5 | 6009 | } |
36956a7d | 6010 | |
758c456d JR |
6011 | /* Generate ODP flow key from the given packet metadata */ |
6012 | void | |
beb75a40 | 6013 | odp_key_from_dp_packet(struct ofpbuf *buf, const struct dp_packet *packet) |
758c456d | 6014 | { |
beb75a40 JS |
6015 | const struct pkt_metadata *md = &packet->md; |
6016 | ||
758c456d JR |
6017 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority); |
6018 | ||
ffe4c74f | 6019 | if (flow_tnl_dst_is_set(&md->tunnel)) { |
c6d87201 | 6020 | tun_key_to_attr(buf, &md->tunnel, &md->tunnel, NULL, NULL); |
758c456d JR |
6021 | } |
6022 | ||
6023 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark); | |
6024 | ||
07659514 JS |
6025 | if (md->ct_state) { |
6026 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
6027 | ovs_to_odp_ct_state(md->ct_state)); | |
6028 | if (md->ct_zone) { | |
6029 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, md->ct_zone); | |
6030 | } | |
8e53fe8c JS |
6031 | if (md->ct_mark) { |
6032 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, md->ct_mark); | |
6033 | } | |
2ff8484b | 6034 | if (!ovs_u128_is_zero(md->ct_label)) { |
9daf2348 JS |
6035 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &md->ct_label, |
6036 | sizeof(md->ct_label)); | |
6037 | } | |
daf4d3c1 JR |
6038 | if (md->ct_orig_tuple_ipv6) { |
6039 | if (md->ct_orig_tuple.ipv6.ipv6_proto) { | |
6040 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, | |
6041 | &md->ct_orig_tuple.ipv6, | |
6042 | sizeof md->ct_orig_tuple.ipv6); | |
6043 | } | |
6044 | } else { | |
6045 | if (md->ct_orig_tuple.ipv4.ipv4_proto) { | |
6046 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, | |
6047 | &md->ct_orig_tuple.ipv4, | |
6048 | sizeof md->ct_orig_tuple.ipv4); | |
6049 | } | |
6050 | } | |
07659514 JS |
6051 | } |
6052 | ||
758c456d JR |
6053 | /* Add an ingress port attribute if 'odp_in_port' is not the magical |
6054 | * value "ODPP_NONE". */ | |
b5e7e61a AZ |
6055 | if (md->in_port.odp_port != ODPP_NONE) { |
6056 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port); | |
758c456d | 6057 | } |
beb75a40 JS |
6058 | |
6059 | /* Add OVS_KEY_ATTR_ETHERNET for non-Ethernet packets */ | |
6060 | if (pt_ns(packet->packet_type) == OFPHTN_ETHERTYPE) { | |
6061 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, | |
6062 | pt_ns_type_be(packet->packet_type)); | |
6063 | } | |
758c456d JR |
6064 | } |
6065 | ||
6066 | /* Generate packet metadata from the given ODP flow key. */ | |
6067 | void | |
beb75a40 JS |
6068 | odp_key_to_dp_packet(const struct nlattr *key, size_t key_len, |
6069 | struct dp_packet *packet) | |
758c456d | 6070 | { |
beb75a40 | 6071 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
758c456d | 6072 | const struct nlattr *nla; |
beb75a40 JS |
6073 | struct pkt_metadata *md = &packet->md; |
6074 | ovs_be32 packet_type = htonl(PT_UNKNOWN); | |
6075 | ovs_be16 ethertype = 0; | |
758c456d | 6076 | size_t left; |
758c456d | 6077 | |
35303d71 | 6078 | pkt_metadata_init(md, ODPP_NONE); |
758c456d JR |
6079 | |
6080 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { | |
08ef583d | 6081 | enum ovs_key_attr type = nl_attr_type(nla); |
758c456d | 6082 | size_t len = nl_attr_get_size(nla); |
6b8da9e9 JG |
6083 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
6084 | OVS_KEY_ATTR_MAX, type); | |
758c456d JR |
6085 | |
6086 | if (len != expected_len && expected_len >= 0) { | |
6087 | continue; | |
6088 | } | |
6089 | ||
572f732a AZ |
6090 | switch (type) { |
6091 | case OVS_KEY_ATTR_RECIRC_ID: | |
6092 | md->recirc_id = nl_attr_get_u32(nla); | |
572f732a AZ |
6093 | break; |
6094 | case OVS_KEY_ATTR_DP_HASH: | |
6095 | md->dp_hash = nl_attr_get_u32(nla); | |
572f732a AZ |
6096 | break; |
6097 | case OVS_KEY_ATTR_PRIORITY: | |
758c456d | 6098 | md->skb_priority = nl_attr_get_u32(nla); |
572f732a AZ |
6099 | break; |
6100 | case OVS_KEY_ATTR_SKB_MARK: | |
758c456d | 6101 | md->pkt_mark = nl_attr_get_u32(nla); |
572f732a | 6102 | break; |
07659514 JS |
6103 | case OVS_KEY_ATTR_CT_STATE: |
6104 | md->ct_state = odp_to_ovs_ct_state(nl_attr_get_u32(nla)); | |
07659514 JS |
6105 | break; |
6106 | case OVS_KEY_ATTR_CT_ZONE: | |
6107 | md->ct_zone = nl_attr_get_u16(nla); | |
07659514 | 6108 | break; |
8e53fe8c JS |
6109 | case OVS_KEY_ATTR_CT_MARK: |
6110 | md->ct_mark = nl_attr_get_u32(nla); | |
8e53fe8c | 6111 | break; |
9daf2348 | 6112 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 | 6113 | md->ct_label = nl_attr_get_u128(nla); |
9daf2348 JS |
6114 | break; |
6115 | } | |
daf4d3c1 JR |
6116 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
6117 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(nla); | |
6118 | md->ct_orig_tuple.ipv4 = *ct; | |
6119 | md->ct_orig_tuple_ipv6 = false; | |
daf4d3c1 JR |
6120 | break; |
6121 | } | |
6122 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
6123 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(nla); | |
6124 | ||
6125 | md->ct_orig_tuple.ipv6 = *ct; | |
6126 | md->ct_orig_tuple_ipv6 = true; | |
daf4d3c1 JR |
6127 | break; |
6128 | } | |
572f732a | 6129 | case OVS_KEY_ATTR_TUNNEL: { |
758c456d JR |
6130 | enum odp_key_fitness res; |
6131 | ||
8d8ab6c2 | 6132 | res = odp_tun_key_from_attr(nla, &md->tunnel); |
758c456d JR |
6133 | if (res == ODP_FIT_ERROR) { |
6134 | memset(&md->tunnel, 0, sizeof md->tunnel); | |
758c456d | 6135 | } |
572f732a AZ |
6136 | break; |
6137 | } | |
6138 | case OVS_KEY_ATTR_IN_PORT: | |
b5e7e61a | 6139 | md->in_port.odp_port = nl_attr_get_odp_port(nla); |
572f732a | 6140 | break; |
beb75a40 JS |
6141 | case OVS_KEY_ATTR_ETHERNET: |
6142 | /* Presence of OVS_KEY_ATTR_ETHERNET indicates Ethernet packet. */ | |
6143 | packet_type = htonl(PT_ETH); | |
beb75a40 JS |
6144 | break; |
6145 | case OVS_KEY_ATTR_ETHERTYPE: | |
6146 | ethertype = nl_attr_get_be16(nla); | |
beb75a40 | 6147 | break; |
08ef583d YHW |
6148 | case OVS_KEY_ATTR_UNSPEC: |
6149 | case OVS_KEY_ATTR_ENCAP: | |
6150 | case OVS_KEY_ATTR_VLAN: | |
6151 | case OVS_KEY_ATTR_IPV4: | |
6152 | case OVS_KEY_ATTR_IPV6: | |
6153 | case OVS_KEY_ATTR_TCP: | |
6154 | case OVS_KEY_ATTR_UDP: | |
6155 | case OVS_KEY_ATTR_ICMP: | |
6156 | case OVS_KEY_ATTR_ICMPV6: | |
6157 | case OVS_KEY_ATTR_ARP: | |
6158 | case OVS_KEY_ATTR_ND: | |
9b2b8497 | 6159 | case OVS_KEY_ATTR_ND_EXTENSIONS: |
08ef583d YHW |
6160 | case OVS_KEY_ATTR_SCTP: |
6161 | case OVS_KEY_ATTR_TCP_FLAGS: | |
6162 | case OVS_KEY_ATTR_MPLS: | |
6163 | case OVS_KEY_ATTR_PACKET_TYPE: | |
3d2fbd70 | 6164 | case OVS_KEY_ATTR_NSH: |
08ef583d | 6165 | case __OVS_KEY_ATTR_MAX: |
572f732a AZ |
6166 | default: |
6167 | break; | |
758c456d | 6168 | } |
758c456d | 6169 | } |
beb75a40 JS |
6170 | |
6171 | if (packet_type == htonl(PT_ETH)) { | |
6172 | packet->packet_type = htonl(PT_ETH); | |
6173 | } else if (packet_type == htonl(PT_UNKNOWN) && ethertype != 0) { | |
6174 | packet->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
6175 | ntohs(ethertype)); | |
6176 | } else { | |
6177 | VLOG_ERR_RL(&rl, "Packet without ETHERTYPE. Unknown packet_type."); | |
6178 | } | |
758c456d JR |
6179 | } |
6180 | ||
b0f7b9b5 BP |
6181 | uint32_t |
6182 | odp_flow_key_hash(const struct nlattr *key, size_t key_len) | |
6183 | { | |
6184 | BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t))); | |
0a96a21b | 6185 | return hash_bytes32(ALIGNED_CAST(const uint32_t *, key), key_len, 0); |
b0f7b9b5 BP |
6186 | } |
6187 | ||
34118cae BP |
6188 | static void |
6189 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 6190 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
6191 | const struct nlattr *key, size_t key_len) |
6192 | { | |
6193 | struct ds s; | |
6194 | int i; | |
6195 | ||
b0f7b9b5 | 6196 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
6197 | return; |
6198 | } | |
6199 | ||
6200 | ds_init(&s); | |
b0f7b9b5 BP |
6201 | for (i = 0; i < 64; i++) { |
6202 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
6203 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
6204 | ||
6205 | ds_put_format(&s, " %s", | |
6206 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
6207 | } |
6208 | } | |
b0f7b9b5 BP |
6209 | if (out_of_range_attr) { |
6210 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
6211 | } | |
34118cae BP |
6212 | |
6213 | ds_put_cstr(&s, ": "); | |
6214 | odp_flow_key_format(key, key_len, &s); | |
6215 | ||
b0f7b9b5 | 6216 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
6217 | ds_destroy(&s); |
6218 | } | |
6219 | ||
3cea18ec JR |
6220 | static uint8_t |
6221 | odp_to_ovs_frag(uint8_t odp_frag, bool is_mask) | |
7257b535 | 6222 | { |
34118cae BP |
6223 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
6224 | ||
3cea18ec JR |
6225 | if (is_mask) { |
6226 | return odp_frag ? FLOW_NW_FRAG_MASK : 0; | |
6227 | } | |
6228 | ||
9e44d715 | 6229 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 6230 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
3cea18ec | 6231 | return 0xff; /* Error. */ |
7257b535 BP |
6232 | } |
6233 | ||
3cea18ec JR |
6234 | return (odp_frag == OVS_FRAG_TYPE_NONE) ? 0 |
6235 | : (odp_frag == OVS_FRAG_TYPE_FIRST) ? FLOW_NW_FRAG_ANY | |
6236 | : FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER; | |
7257b535 BP |
6237 | } |
6238 | ||
b0f7b9b5 | 6239 | static bool |
fea393b1 | 6240 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 BP |
6241 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
6242 | int *out_of_range_attrp) | |
36956a7d | 6243 | { |
b0f7b9b5 | 6244 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 6245 | const struct nlattr *nla; |
34118cae | 6246 | uint64_t present_attrs; |
36956a7d BP |
6247 | size_t left; |
6248 | ||
2aef1214 | 6249 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 6250 | present_attrs = 0; |
b0f7b9b5 | 6251 | *out_of_range_attrp = 0; |
36956a7d | 6252 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
6253 | uint16_t type = nl_attr_type(nla); |
6254 | size_t len = nl_attr_get_size(nla); | |
6b8da9e9 JG |
6255 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
6256 | OVS_KEY_ATTR_MAX, type); | |
34118cae | 6257 | |
b0f7b9b5 | 6258 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
6259 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
6260 | ||
34582733 | 6261 | VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have " |
e6603631 BP |
6262 | "length %d", ovs_key_attr_to_string(type, namebuf, |
6263 | sizeof namebuf), | |
b0f7b9b5 BP |
6264 | len, expected_len); |
6265 | return false; | |
34118cae BP |
6266 | } |
6267 | ||
2aef1214 | 6268 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
6269 | *out_of_range_attrp = type; |
6270 | } else { | |
6271 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
6272 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
6273 | ||
b0f7b9b5 | 6274 | VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key", |
e6603631 BP |
6275 | ovs_key_attr_to_string(type, |
6276 | namebuf, sizeof namebuf)); | |
b0f7b9b5 BP |
6277 | return false; |
6278 | } | |
6279 | ||
6280 | present_attrs |= UINT64_C(1) << type; | |
6281 | attrs[type] = nla; | |
6282 | } | |
34118cae BP |
6283 | } |
6284 | if (left) { | |
6285 | VLOG_ERR_RL(&rl, "trailing garbage in flow key"); | |
b0f7b9b5 | 6286 | return false; |
34118cae BP |
6287 | } |
6288 | ||
fea393b1 | 6289 | *present_attrsp = present_attrs; |
b0f7b9b5 | 6290 | return true; |
fea393b1 BP |
6291 | } |
6292 | ||
b0f7b9b5 BP |
6293 | static enum odp_key_fitness |
6294 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
6295 | uint64_t expected_attrs, | |
fea393b1 BP |
6296 | const struct nlattr *key, size_t key_len) |
6297 | { | |
6298 | uint64_t missing_attrs; | |
6299 | uint64_t extra_attrs; | |
6300 | ||
6301 | missing_attrs = expected_attrs & ~present_attrs; | |
6302 | if (missing_attrs) { | |
b0f7b9b5 BP |
6303 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
6304 | log_odp_key_attributes(&rl, "expected but not present", | |
6305 | missing_attrs, 0, key, key_len); | |
6306 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
6307 | } |
6308 | ||
6309 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
6310 | if (extra_attrs || out_of_range_attr) { |
6311 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
6312 | log_odp_key_attributes(&rl, "present but not expected", | |
6313 | extra_attrs, out_of_range_attr, key, key_len); | |
6314 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
6315 | } |
6316 | ||
b0f7b9b5 | 6317 | return ODP_FIT_PERFECT; |
fea393b1 BP |
6318 | } |
6319 | ||
b0f7b9b5 BP |
6320 | static bool |
6321 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
6322 | uint64_t present_attrs, uint64_t *expected_attrs, | |
4a221615 | 6323 | struct flow *flow, const struct flow *src_flow) |
fea393b1 BP |
6324 | { |
6325 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 6326 | bool is_mask = flow != src_flow; |
36956a7d | 6327 | |
fea393b1 | 6328 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae | 6329 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
4a221615 | 6330 | if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) { |
34118cae BP |
6331 | VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key", |
6332 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 6333 | return false; |
34118cae | 6334 | } |
4a221615 GY |
6335 | if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN && |
6336 | flow->dl_type != htons(0xffff)) { | |
6337 | return false; | |
6338 | } | |
b0f7b9b5 | 6339 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae | 6340 | } else { |
4a221615 | 6341 | if (!is_mask) { |
beb75a40 JS |
6342 | /* Default ethertype for well-known L3 packets. */ |
6343 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { | |
6344 | flow->dl_type = htons(ETH_TYPE_IP); | |
6345 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { | |
6346 | flow->dl_type = htons(ETH_TYPE_IPV6); | |
6347 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
6348 | flow->dl_type = htons(ETH_TYPE_MPLS); | |
6349 | } else { | |
6350 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
6351 | } | |
6352 | } else if (src_flow->packet_type != htonl(PT_ETH)) { | |
6353 | /* dl_type is mandatory for non-Ethernet packets */ | |
6354 | flow->dl_type = htons(0xffff); | |
4a221615 GY |
6355 | } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) { |
6356 | /* See comments in odp_flow_key_from_flow__(). */ | |
6357 | VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame"); | |
6358 | return false; | |
6359 | } | |
34118cae | 6360 | } |
b0f7b9b5 BP |
6361 | return true; |
6362 | } | |
6363 | ||
6364 | static enum odp_key_fitness | |
b02475c5 SH |
6365 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
6366 | uint64_t present_attrs, int out_of_range_attr, | |
c5ad9811 | 6367 | uint64_t *expected_attrs, struct flow *flow, |
4a221615 | 6368 | const struct nlattr *key, size_t key_len, |
c5ad9811 | 6369 | const struct flow *src_flow, bool need_check) |
b0f7b9b5 BP |
6370 | { |
6371 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 GY |
6372 | bool is_mask = src_flow != flow; |
6373 | const void *check_start = NULL; | |
6374 | size_t check_len = 0; | |
6375 | enum ovs_key_attr expected_bit = 0xff; | |
6376 | ||
6377 | if (eth_type_mpls(src_flow->dl_type)) { | |
7e6621e9 | 6378 | if (!is_mask || present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { |
c5ad9811 | 6379 | *expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); |
7e6621e9 JS |
6380 | } |
6381 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
6382 | size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]); | |
6383 | const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]); | |
6384 | int n = size / sizeof(ovs_be32); | |
6385 | int i; | |
4a221615 | 6386 | |
7e6621e9 JS |
6387 | if (!size || size % sizeof(ovs_be32)) { |
6388 | return ODP_FIT_ERROR; | |
91a77332 | 6389 | } |
8bfd0fda | 6390 | if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) { |
4a221615 GY |
6391 | return ODP_FIT_ERROR; |
6392 | } | |
8bfd0fda | 6393 | |
7e6621e9 JS |
6394 | for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) { |
6395 | flow->mpls_lse[i] = mpls_lse[i]; | |
6396 | } | |
6397 | if (n > FLOW_MAX_MPLS_LABELS) { | |
6398 | return ODP_FIT_TOO_MUCH; | |
6399 | } | |
8bfd0fda | 6400 | |
7e6621e9 JS |
6401 | if (!is_mask) { |
6402 | /* BOS may be set only in the innermost label. */ | |
6403 | for (i = 0; i < n - 1; i++) { | |
6404 | if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) { | |
6405 | return ODP_FIT_ERROR; | |
6406 | } | |
8bfd0fda | 6407 | } |
8bfd0fda | 6408 | |
7e6621e9 JS |
6409 | /* BOS must be set in the innermost label. */ |
6410 | if (n < FLOW_MAX_MPLS_LABELS | |
6411 | && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) { | |
6412 | return ODP_FIT_TOO_LITTLE; | |
6413 | } | |
8bfd0fda BP |
6414 | } |
6415 | } | |
6416 | ||
4a221615 GY |
6417 | goto done; |
6418 | } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
6419 | if (!is_mask) { | |
c5ad9811 | 6420 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; |
b02475c5 | 6421 | } |
fea393b1 | 6422 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 6423 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 6424 | |
34118cae | 6425 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
3cea18ec JR |
6426 | put_ipv4_key(ipv4_key, flow, is_mask); |
6427 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
6428 | return ODP_FIT_ERROR; | |
6429 | } | |
4a221615 | 6430 | if (is_mask) { |
4a221615 GY |
6431 | check_start = ipv4_key; |
6432 | check_len = sizeof *ipv4_key; | |
6433 | expected_bit = OVS_KEY_ATTR_IPV4; | |
36956a7d | 6434 | } |
34118cae | 6435 | } |
4a221615 GY |
6436 | } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) { |
6437 | if (!is_mask) { | |
c5ad9811 | 6438 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; |
4a221615 | 6439 | } |
fea393b1 | 6440 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 6441 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 6442 | |
34118cae | 6443 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
3cea18ec JR |
6444 | put_ipv6_key(ipv6_key, flow, is_mask); |
6445 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
6446 | return ODP_FIT_ERROR; | |
6447 | } | |
4a221615 | 6448 | if (is_mask) { |
4a221615 GY |
6449 | check_start = ipv6_key; |
6450 | check_len = sizeof *ipv6_key; | |
6451 | expected_bit = OVS_KEY_ATTR_IPV6; | |
d31f1109 | 6452 | } |
34118cae | 6453 | } |
4a221615 GY |
6454 | } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) || |
6455 | src_flow->dl_type == htons(ETH_TYPE_RARP)) { | |
6456 | if (!is_mask) { | |
c5ad9811 | 6457 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; |
4a221615 | 6458 | } |
fea393b1 | 6459 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 6460 | const struct ovs_key_arp *arp_key; |
d31f1109 | 6461 | |
34118cae | 6462 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
4a221615 | 6463 | if (!is_mask && (arp_key->arp_op & htons(0xff00))) { |
34118cae BP |
6464 | VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow " |
6465 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 6466 | return ODP_FIT_ERROR; |
36956a7d | 6467 | } |
3cea18ec | 6468 | put_arp_key(arp_key, flow); |
4a221615 GY |
6469 | if (is_mask) { |
6470 | check_start = arp_key; | |
6471 | check_len = sizeof *arp_key; | |
6472 | expected_bit = OVS_KEY_ATTR_ARP; | |
6473 | } | |
6474 | } | |
3d2fbd70 JS |
6475 | } else if (src_flow->dl_type == htons(ETH_TYPE_NSH)) { |
6476 | if (!is_mask) { | |
c5ad9811 | 6477 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_NSH; |
3d2fbd70 JS |
6478 | } |
6479 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_NSH)) { | |
81fdabb9 | 6480 | odp_nsh_key_from_attr(attrs[OVS_KEY_ATTR_NSH], &flow->nsh, NULL); |
3d2fbd70 | 6481 | if (is_mask) { |
f59cb331 YY |
6482 | check_start = nl_attr_get(attrs[OVS_KEY_ATTR_NSH]); |
6483 | check_len = nl_attr_get_size(attrs[OVS_KEY_ATTR_NSH]); | |
3d2fbd70 JS |
6484 | expected_bit = OVS_KEY_ATTR_NSH; |
6485 | } | |
6486 | } | |
4a221615 GY |
6487 | } else { |
6488 | goto done; | |
6489 | } | |
df4eeb20 | 6490 | if (check_len > 0) { /* Happens only when 'is_mask'. */ |
4a221615 GY |
6491 | if (!is_all_zeros(check_start, check_len) && |
6492 | flow->dl_type != htons(0xffff)) { | |
6493 | return ODP_FIT_ERROR; | |
6494 | } else { | |
c5ad9811 | 6495 | *expected_attrs |= UINT64_C(1) << expected_bit; |
36956a7d | 6496 | } |
36956a7d | 6497 | } |
36956a7d | 6498 | |
4a221615 GY |
6499 | expected_bit = OVS_KEY_ATTR_UNSPEC; |
6500 | if (src_flow->nw_proto == IPPROTO_TCP | |
6501 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6502 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6503 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6504 | if (!is_mask) { | |
c5ad9811 | 6505 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; |
4a221615 | 6506 | } |
fea393b1 | 6507 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
3cea18ec | 6508 | const union ovs_key_tp *tcp_key; |
36956a7d | 6509 | |
34118cae | 6510 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
3cea18ec | 6511 | put_tp_key(tcp_key, flow); |
4a221615 GY |
6512 | expected_bit = OVS_KEY_ATTR_TCP; |
6513 | } | |
dc235f7f | 6514 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) { |
c5ad9811 | 6515 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS; |
dc235f7f JR |
6516 | flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]); |
6517 | } | |
4a221615 GY |
6518 | } else if (src_flow->nw_proto == IPPROTO_UDP |
6519 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6520 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6521 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6522 | if (!is_mask) { | |
c5ad9811 | 6523 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; |
7257b535 | 6524 | } |
fea393b1 | 6525 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
3cea18ec | 6526 | const union ovs_key_tp *udp_key; |
34118cae BP |
6527 | |
6528 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
3cea18ec | 6529 | put_tp_key(udp_key, flow); |
4a221615 GY |
6530 | expected_bit = OVS_KEY_ATTR_UDP; |
6531 | } | |
12848ebf GS |
6532 | } else if (src_flow->nw_proto == IPPROTO_SCTP |
6533 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6534 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6535 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
c6bcb685 | 6536 | if (!is_mask) { |
c5ad9811 | 6537 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP; |
c6bcb685 JS |
6538 | } |
6539 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) { | |
3cea18ec | 6540 | const union ovs_key_tp *sctp_key; |
c6bcb685 JS |
6541 | |
6542 | sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]); | |
3cea18ec | 6543 | put_tp_key(sctp_key, flow); |
c6bcb685 JS |
6544 | expected_bit = OVS_KEY_ATTR_SCTP; |
6545 | } | |
4a221615 GY |
6546 | } else if (src_flow->nw_proto == IPPROTO_ICMP |
6547 | && src_flow->dl_type == htons(ETH_TYPE_IP) | |
6548 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6549 | if (!is_mask) { | |
c5ad9811 | 6550 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; |
d31f1109 | 6551 | } |
fea393b1 | 6552 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
6553 | const struct ovs_key_icmp *icmp_key; |
6554 | ||
6555 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
6556 | flow->tp_src = htons(icmp_key->icmp_type); | |
6557 | flow->tp_dst = htons(icmp_key->icmp_code); | |
4a221615 GY |
6558 | expected_bit = OVS_KEY_ATTR_ICMP; |
6559 | } | |
6560 | } else if (src_flow->nw_proto == IPPROTO_ICMPV6 | |
6561 | && src_flow->dl_type == htons(ETH_TYPE_IPV6) | |
6562 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6563 | if (!is_mask) { | |
c5ad9811 | 6564 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; |
685a51a5 | 6565 | } |
fea393b1 | 6566 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
6567 | const struct ovs_key_icmpv6 *icmpv6_key; |
6568 | ||
6569 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
6570 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
6571 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
4a221615 | 6572 | expected_bit = OVS_KEY_ATTR_ICMPV6; |
c17fcc0a | 6573 | if (is_nd(src_flow, NULL)) { |
4a221615 | 6574 | if (!is_mask) { |
c5ad9811 | 6575 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; |
4a221615 | 6576 | } |
fea393b1 | 6577 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
6578 | const struct ovs_key_nd *nd_key; |
6579 | ||
6580 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
932c96b7 | 6581 | flow->nd_target = nd_key->nd_target; |
74ff3298 JR |
6582 | flow->arp_sha = nd_key->nd_sll; |
6583 | flow->arp_tha = nd_key->nd_tll; | |
4a221615 | 6584 | if (is_mask) { |
a63e3dc9 DDP |
6585 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, |
6586 | * ICMP type and code are 8 bits wide. Therefore, an | |
6587 | * exact match looks like htons(0xff), not | |
6588 | * htons(0xffff). See xlate_wc_finish() for details. | |
6589 | * */ | |
53cb9c3e | 6590 | if (!is_all_zeros(nd_key, sizeof *nd_key) && |
a63e3dc9 DDP |
6591 | (flow->tp_src != htons(0xff) || |
6592 | flow->tp_dst != htons(0xff))) { | |
4a221615 GY |
6593 | return ODP_FIT_ERROR; |
6594 | } else { | |
c5ad9811 | 6595 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; |
4a221615 GY |
6596 | } |
6597 | } | |
34118cae | 6598 | } |
9b2b8497 VDA |
6599 | if (present_attrs & |
6600 | (UINT64_C(1) << OVS_KEY_ATTR_ND_EXTENSIONS)) { | |
6601 | const struct ovs_key_nd_extensions *nd_ext_key; | |
6602 | if (!is_mask) { | |
6603 | *expected_attrs |= | |
6604 | UINT64_C(1) << OVS_KEY_ATTR_ND_EXTENSIONS; | |
6605 | } | |
6606 | ||
6607 | nd_ext_key = | |
6608 | nl_attr_get(attrs[OVS_KEY_ATTR_ND_EXTENSIONS]); | |
6609 | flow->igmp_group_ip4 = nd_ext_key->nd_reserved; | |
6610 | flow->tcp_flags = htons(nd_ext_key->nd_options_type); | |
6611 | ||
6612 | if (is_mask) { | |
6613 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, | |
6614 | * ICMP type and code are 8 bits wide. Therefore, an | |
6615 | * exact match looks like htons(0xff), not | |
6616 | * htons(0xffff). See xlate_wc_finish() for details. | |
6617 | * */ | |
6618 | if (!is_all_zeros(nd_ext_key, sizeof *nd_ext_key) && | |
6619 | (flow->tp_src != htons(0xff) || | |
6620 | flow->tp_dst != htons(0xff))) { | |
6621 | return ODP_FIT_ERROR; | |
6622 | } else { | |
6623 | *expected_attrs |= | |
6624 | UINT64_C(1) << OVS_KEY_ATTR_ND_EXTENSIONS; | |
6625 | } | |
6626 | } | |
6627 | } | |
34118cae | 6628 | } |
7257b535 | 6629 | } |
c645550b BP |
6630 | } else if (src_flow->nw_proto == IPPROTO_IGMP |
6631 | && src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
6632 | /* OVS userspace parses the IGMP type, code, and group, but its | |
6633 | * datapaths do not, so there is always missing information. */ | |
6634 | return ODP_FIT_TOO_LITTLE; | |
34118cae | 6635 | } |
4a221615 GY |
6636 | if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) { |
6637 | if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) { | |
6638 | return ODP_FIT_ERROR; | |
6639 | } else { | |
c5ad9811 | 6640 | *expected_attrs |= UINT64_C(1) << expected_bit; |
4a221615 GY |
6641 | } |
6642 | } | |
7257b535 | 6643 | |
4a221615 | 6644 | done: |
c5ad9811 YW |
6645 | return need_check ? check_expectations(present_attrs, out_of_range_attr, |
6646 | *expected_attrs, key, key_len) : ODP_FIT_PERFECT; | |
b0f7b9b5 BP |
6647 | } |
6648 | ||
6649 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
6650 | static enum odp_key_fitness | |
6651 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
6652 | uint64_t present_attrs, int out_of_range_attr, | |
6653 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 GY |
6654 | const struct nlattr *key, size_t key_len, |
6655 | const struct flow *src_flow) | |
b0f7b9b5 BP |
6656 | { |
6657 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 6658 | bool is_mask = src_flow != flow; |
b0f7b9b5 | 6659 | |
f0fb825a | 6660 | const struct nlattr *encap; |
b0f7b9b5 | 6661 | enum odp_key_fitness encap_fitness; |
f0fb825a EG |
6662 | enum odp_key_fitness fitness = ODP_FIT_ERROR; |
6663 | int encaps = 0; | |
b0f7b9b5 | 6664 | |
f0fb825a EG |
6665 | while (encaps < flow_vlan_limit && |
6666 | (is_mask | |
6667 | ? (src_flow->vlans[encaps].tci & htons(VLAN_CFI)) != 0 | |
6668 | : eth_type_vlan(flow->dl_type))) { | |
6669 | ||
6670 | encap = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
6671 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
6672 | ||
6673 | /* Calculate fitness of outer attributes. */ | |
6674 | if (!is_mask) { | |
6675 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | | |
6676 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
6677 | } else { | |
6678 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
6679 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
6680 | } | |
6681 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) { | |
6682 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP); | |
6683 | } | |
4a221615 | 6684 | } |
f0fb825a EG |
6685 | fitness = check_expectations(present_attrs, out_of_range_attr, |
6686 | expected_attrs, key, key_len); | |
6687 | ||
6688 | /* Set vlan_tci. | |
6689 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
6690 | flow->vlans[encaps].tpid = flow->dl_type; | |
6691 | flow->dl_type = htons(0); | |
6692 | flow->vlans[encaps].tci = | |
6693 | (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN) | |
6694 | ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]) | |
6695 | : htons(0)); | |
6696 | if (!is_mask) { | |
f889568f | 6697 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) || |
6698 | !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
f0fb825a EG |
6699 | return ODP_FIT_TOO_LITTLE; |
6700 | } else if (flow->vlans[encaps].tci == htons(0)) { | |
6701 | /* Corner case for a truncated 802.1Q header. */ | |
6702 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
6703 | return ODP_FIT_TOO_MUCH; | |
6704 | } | |
6705 | return fitness; | |
6706 | } else if (!(flow->vlans[encaps].tci & htons(VLAN_CFI))) { | |
6707 | VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
6708 | "but CFI bit is not set", | |
6709 | ntohs(flow->vlans[encaps].tci)); | |
6710 | return ODP_FIT_ERROR; | |
6711 | } | |
6712 | } else { | |
6713 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
6714 | return fitness; | |
6715 | } | |
4a221615 | 6716 | } |
b0f7b9b5 | 6717 | |
f0fb825a EG |
6718 | /* Now parse the encapsulated attributes. */ |
6719 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
6720 | attrs, &present_attrs, &out_of_range_attr)) { | |
3e634810 BP |
6721 | return ODP_FIT_ERROR; |
6722 | } | |
f0fb825a EG |
6723 | expected_attrs = 0; |
6724 | ||
6725 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, | |
6726 | flow, src_flow)) { | |
6727 | return ODP_FIT_ERROR; | |
4a221615 | 6728 | } |
c5ad9811 YW |
6729 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, |
6730 | out_of_range_attr, | |
6731 | &expected_attrs, | |
6732 | flow, key, key_len, | |
6733 | src_flow, false); | |
6734 | if (encap_fitness != ODP_FIT_PERFECT) { | |
6735 | return encap_fitness; | |
6736 | } | |
f0fb825a | 6737 | encaps++; |
b0f7b9b5 | 6738 | } |
b0f7b9b5 | 6739 | |
c5ad9811 YW |
6740 | return check_expectations(present_attrs, out_of_range_attr, |
6741 | expected_attrs, key, key_len); | |
b0f7b9b5 BP |
6742 | } |
6743 | ||
4a221615 GY |
6744 | static enum odp_key_fitness |
6745 | odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len, | |
8d8ab6c2 | 6746 | struct flow *flow, const struct flow *src_flow) |
b0f7b9b5 | 6747 | { |
b0f7b9b5 BP |
6748 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
6749 | uint64_t expected_attrs; | |
6750 | uint64_t present_attrs; | |
6751 | int out_of_range_attr; | |
4a221615 | 6752 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
6753 | |
6754 | memset(flow, 0, sizeof *flow); | |
6755 | ||
6756 | /* Parse attributes. */ | |
6757 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
6758 | &out_of_range_attr)) { | |
6759 | return ODP_FIT_ERROR; | |
6760 | } | |
6761 | expected_attrs = 0; | |
6762 | ||
6763 | /* Metadata. */ | |
572f732a AZ |
6764 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) { |
6765 | flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]); | |
6766 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID; | |
6767 | } else if (is_mask) { | |
8c1b077f | 6768 | /* Always exact match recirc_id if it is not specified. */ |
572f732a AZ |
6769 | flow->recirc_id = UINT32_MAX; |
6770 | } | |
6771 | ||
6772 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) { | |
6773 | flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]); | |
6774 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH; | |
6775 | } | |
b0f7b9b5 | 6776 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { |
deedf7e7 | 6777 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
6778 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
6779 | } | |
6780 | ||
72e8bf28 | 6781 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
1362e248 | 6782 | flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); |
72e8bf28 AA |
6783 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; |
6784 | } | |
6785 | ||
07659514 JS |
6786 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_STATE)) { |
6787 | uint32_t odp_state = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_STATE]); | |
6788 | ||
6789 | flow->ct_state = odp_to_ovs_ct_state(odp_state); | |
6790 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_STATE; | |
6791 | } | |
6792 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE)) { | |
6793 | flow->ct_zone = nl_attr_get_u16(attrs[OVS_KEY_ATTR_CT_ZONE]); | |
6794 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE; | |
6795 | } | |
8e53fe8c JS |
6796 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_MARK)) { |
6797 | flow->ct_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_MARK]); | |
6798 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_MARK; | |
6799 | } | |
9daf2348 | 6800 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS)) { |
ab79d262 | 6801 | flow->ct_label = nl_attr_get_u128(attrs[OVS_KEY_ATTR_CT_LABELS]); |
9daf2348 JS |
6802 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS; |
6803 | } | |
daf4d3c1 JR |
6804 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4)) { |
6805 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4]); | |
6806 | flow->ct_nw_src = ct->ipv4_src; | |
6807 | flow->ct_nw_dst = ct->ipv4_dst; | |
6808 | flow->ct_nw_proto = ct->ipv4_proto; | |
6809 | flow->ct_tp_src = ct->src_port; | |
6810 | flow->ct_tp_dst = ct->dst_port; | |
6811 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4; | |
6812 | } | |
6813 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6)) { | |
6814 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6]); | |
6815 | ||
6816 | flow->ct_ipv6_src = ct->ipv6_src; | |
6817 | flow->ct_ipv6_dst = ct->ipv6_dst; | |
6818 | flow->ct_nw_proto = ct->ipv6_proto; | |
6819 | flow->ct_tp_src = ct->src_port; | |
6820 | flow->ct_tp_dst = ct->dst_port; | |
6821 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6; | |
6822 | } | |
07659514 | 6823 | |
9b405f1a PS |
6824 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
6825 | enum odp_key_fitness res; | |
05fb0928 | 6826 | |
8d8ab6c2 JG |
6827 | res = odp_tun_key_from_attr__(attrs[OVS_KEY_ATTR_TUNNEL], is_mask, |
6828 | &flow->tunnel); | |
9b405f1a PS |
6829 | if (res == ODP_FIT_ERROR) { |
6830 | return ODP_FIT_ERROR; | |
6831 | } else if (res == ODP_FIT_PERFECT) { | |
6832 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
6833 | } |
6834 | } | |
6835 | ||
b0f7b9b5 | 6836 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
4e022ec0 AW |
6837 | flow->in_port.odp_port |
6838 | = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]); | |
b0f7b9b5 | 6839 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
4a221615 | 6840 | } else if (!is_mask) { |
4e022ec0 | 6841 | flow->in_port.odp_port = ODPP_NONE; |
b0f7b9b5 BP |
6842 | } |
6843 | ||
beb75a40 JS |
6844 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE)) { |
6845 | flow->packet_type | |
6846 | = nl_attr_get_be32(attrs[OVS_KEY_ATTR_PACKET_TYPE]); | |
6847 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE; | |
29b5c0c3 BP |
6848 | if (pt_ns(src_flow->packet_type) == OFPHTN_ETHERTYPE) { |
6849 | flow->dl_type = pt_ns_type_be(flow->packet_type); | |
6850 | } | |
beb75a40 JS |
6851 | } else if (!is_mask) { |
6852 | flow->packet_type = htonl(PT_ETH); | |
6853 | } | |
6854 | ||
6855 | /* Check for Ethernet header. */ | |
b0f7b9b5 BP |
6856 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { |
6857 | const struct ovs_key_ethernet *eth_key; | |
6858 | ||
6859 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
3cea18ec | 6860 | put_ethernet_key(eth_key, flow); |
beb75a40 JS |
6861 | if (!is_mask) { |
6862 | flow->packet_type = htonl(PT_ETH); | |
4a221615 | 6863 | } |
4a221615 | 6864 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; |
b0f7b9b5 | 6865 | } |
beb75a40 JS |
6866 | else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
6867 | ovs_be16 ethertype = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); | |
6868 | if (!is_mask) { | |
6869 | flow->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
6870 | ntohs(ethertype)); | |
6871 | } | |
6872 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; | |
6873 | } | |
b0f7b9b5 BP |
6874 | |
6875 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
4a221615 | 6876 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, |
beb75a40 | 6877 | src_flow)) { |
b0f7b9b5 BP |
6878 | return ODP_FIT_ERROR; |
6879 | } | |
6880 | ||
21e70add | 6881 | if (is_mask |
f0fb825a EG |
6882 | ? (src_flow->vlans[0].tci & htons(VLAN_CFI)) != 0 |
6883 | : eth_type_vlan(src_flow->dl_type)) { | |
b0f7b9b5 | 6884 | return parse_8021q_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
6885 | expected_attrs, flow, key, key_len, src_flow); |
6886 | } | |
6887 | if (is_mask) { | |
449b8131 | 6888 | /* A missing VLAN mask means exact match on vlan_tci 0 (== no VLAN). */ |
f0fb825a EG |
6889 | flow->vlans[0].tpid = htons(0xffff); |
6890 | flow->vlans[0].tci = htons(0xffff); | |
4a221615 | 6891 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { |
f0fb825a | 6892 | flow->vlans[0].tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); |
4a221615 GY |
6893 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); |
6894 | } | |
b0f7b9b5 | 6895 | } |
b02475c5 | 6896 | return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
c5ad9811 YW |
6897 | &expected_attrs, flow, key, key_len, |
6898 | src_flow, true); | |
4a221615 GY |
6899 | } |
6900 | ||
6901 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
6902 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
6903 | * 'key' fits our expectations for what a flow key should contain. | |
6904 | * | |
6905 | * The 'in_port' will be the datapath's understanding of the port. The | |
6906 | * caller will need to translate with odp_port_to_ofp_port() if the | |
6907 | * OpenFlow port is needed. | |
6908 | * | |
6909 | * This function doesn't take the packet itself as an argument because none of | |
6910 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
6911 | * it is always possible to infer which additional attribute(s) should appear | |
6912 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
6913 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
6914 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
6915 | * must be absent. */ | |
6916 | enum odp_key_fitness | |
6917 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
6918 | struct flow *flow) | |
6919 | { | |
8d8ab6c2 | 6920 | return odp_flow_key_to_flow__(key, key_len, flow, flow); |
4a221615 GY |
6921 | } |
6922 | ||
8d8ab6c2 JG |
6923 | /* Converts the 'mask_key_len' bytes of OVS_KEY_ATTR_* attributes in 'mask_key' |
6924 | * to a mask structure in 'mask'. 'flow' must be a previously translated flow | |
6925 | * corresponding to 'mask' and similarly flow_key/flow_key_len must be the | |
6926 | * attributes from that flow. Returns an ODP_FIT_* value that indicates how | |
6927 | * well 'key' fits our expectations for what a flow key should contain. */ | |
6928 | enum odp_key_fitness | |
6929 | odp_flow_key_to_mask(const struct nlattr *mask_key, size_t mask_key_len, | |
6930 | struct flow_wildcards *mask, const struct flow *src_flow) | |
ca8d3442 DDP |
6931 | { |
6932 | if (mask_key_len) { | |
6933 | return odp_flow_key_to_flow__(mask_key, mask_key_len, | |
8d8ab6c2 | 6934 | &mask->masks, src_flow); |
ca8d3442 DDP |
6935 | |
6936 | } else { | |
6937 | /* A missing mask means that the flow should be exact matched. | |
6938 | * Generate an appropriate exact wildcard for the flow. */ | |
6939 | flow_wildcards_init_for_packet(mask, src_flow); | |
6940 | ||
6941 | return ODP_FIT_PERFECT; | |
6942 | } | |
6943 | } | |
39db78a0 | 6944 | |
8b668ee3 PB |
6945 | /* Converts the netlink formated key/mask to match. |
6946 | * Fails if odp_flow_key_from_key/mask and odp_flow_key_key/mask | |
6947 | * disagree on the acceptable form of flow */ | |
6948 | int | |
6949 | parse_key_and_mask_to_match(const struct nlattr *key, size_t key_len, | |
6950 | const struct nlattr *mask, size_t mask_len, | |
6951 | struct match *match) | |
6952 | { | |
6953 | enum odp_key_fitness fitness; | |
6954 | ||
6955 | fitness = odp_flow_key_to_flow(key, key_len, &match->flow); | |
6956 | if (fitness) { | |
6957 | /* This should not happen: it indicates that | |
6958 | * odp_flow_key_from_flow() and odp_flow_key_to_flow() disagree on | |
6959 | * the acceptable form of a flow. Log the problem as an error, | |
6960 | * with enough details to enable debugging. */ | |
6961 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
6962 | ||
6963 | if (!VLOG_DROP_ERR(&rl)) { | |
6964 | struct ds s; | |
6965 | ||
6966 | ds_init(&s); | |
6967 | odp_flow_format(key, key_len, NULL, 0, NULL, &s, true); | |
6968 | VLOG_ERR("internal error parsing flow key %s", ds_cstr(&s)); | |
6969 | ds_destroy(&s); | |
6970 | } | |
6971 | ||
6972 | return EINVAL; | |
6973 | } | |
6974 | ||
6975 | fitness = odp_flow_key_to_mask(mask, mask_len, &match->wc, &match->flow); | |
6976 | if (fitness) { | |
6977 | /* This should not happen: it indicates that | |
6978 | * odp_flow_key_from_mask() and odp_flow_key_to_mask() | |
6979 | * disagree on the acceptable form of a mask. Log the problem | |
6980 | * as an error, with enough details to enable debugging. */ | |
6981 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
6982 | ||
6983 | if (!VLOG_DROP_ERR(&rl)) { | |
6984 | struct ds s; | |
6985 | ||
6986 | ds_init(&s); | |
6987 | odp_flow_format(key, key_len, mask, mask_len, NULL, &s, | |
6988 | true); | |
6989 | VLOG_ERR("internal error parsing flow mask %s (%s)", | |
6990 | ds_cstr(&s), odp_key_fitness_to_string(fitness)); | |
6991 | ds_destroy(&s); | |
6992 | } | |
6993 | ||
6994 | return EINVAL; | |
6995 | } | |
6996 | ||
6997 | return 0; | |
6998 | } | |
6999 | ||
6814e51f BP |
7000 | /* Returns 'fitness' as a string, for use in debug messages. */ |
7001 | const char * | |
7002 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
7003 | { | |
7004 | switch (fitness) { | |
7005 | case ODP_FIT_PERFECT: | |
7006 | return "OK"; | |
7007 | case ODP_FIT_TOO_MUCH: | |
7008 | return "too_much"; | |
7009 | case ODP_FIT_TOO_LITTLE: | |
7010 | return "too_little"; | |
7011 | case ODP_FIT_ERROR: | |
7012 | return "error"; | |
7013 | default: | |
7014 | return "<unknown>"; | |
7015 | } | |
7016 | } | |
7017 | ||
39db78a0 | 7018 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df BP |
7019 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
7020 | * whose contents are the 'userdata_size' bytes at 'userdata' and returns the | |
7021 | * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is | |
7022 | * null, then the return value is not meaningful.) */ | |
39db78a0 | 7023 | size_t |
e995e3df BP |
7024 | odp_put_userspace_action(uint32_t pid, |
7025 | const void *userdata, size_t userdata_size, | |
8b7ea2d4 | 7026 | odp_port_t tunnel_out_port, |
7321bda3 | 7027 | bool include_actions, |
39db78a0 BP |
7028 | struct ofpbuf *odp_actions) |
7029 | { | |
e995e3df | 7030 | size_t userdata_ofs; |
39db78a0 BP |
7031 | size_t offset; |
7032 | ||
7033 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
7034 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df | 7035 | if (userdata) { |
6fd6ed71 | 7036 | userdata_ofs = odp_actions->size + NLA_HDRLEN; |
96ed775f BP |
7037 | |
7038 | /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel | |
7039 | * module before Linux 3.10 required the userdata to be exactly 8 bytes | |
7040 | * long: | |
7041 | * | |
7042 | * - The kernel rejected shorter userdata with -ERANGE. | |
7043 | * | |
7044 | * - The kernel silently dropped userdata beyond the first 8 bytes. | |
7045 | * | |
7046 | * Thus, for maximum compatibility, always put at least 8 bytes. (We | |
7047 | * separately disable features that required more than 8 bytes.) */ | |
7048 | memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA, | |
7049 | MAX(8, userdata_size)), | |
7050 | userdata, userdata_size); | |
e995e3df BP |
7051 | } else { |
7052 | userdata_ofs = 0; | |
39db78a0 | 7053 | } |
8b7ea2d4 WZ |
7054 | if (tunnel_out_port != ODPP_NONE) { |
7055 | nl_msg_put_odp_port(odp_actions, OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, | |
7056 | tunnel_out_port); | |
7057 | } | |
7321bda3 NM |
7058 | if (include_actions) { |
7059 | nl_msg_put_flag(odp_actions, OVS_USERSPACE_ATTR_ACTIONS); | |
7060 | } | |
39db78a0 BP |
7061 | nl_msg_end_nested(odp_actions, offset); |
7062 | ||
e995e3df | 7063 | return userdata_ofs; |
39db78a0 | 7064 | } |
b9ad7294 | 7065 | |
88fc5281 JS |
7066 | void |
7067 | odp_put_pop_eth_action(struct ofpbuf *odp_actions) | |
7068 | { | |
7069 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_ETH); | |
7070 | } | |
7071 | ||
7072 | void | |
7073 | odp_put_push_eth_action(struct ofpbuf *odp_actions, | |
7074 | const struct eth_addr *eth_src, | |
7075 | const struct eth_addr *eth_dst) | |
7076 | { | |
7077 | struct ovs_action_push_eth eth; | |
7078 | ||
7079 | memset(ð, 0, sizeof eth); | |
7080 | if (eth_src) { | |
7081 | eth.addresses.eth_src = *eth_src; | |
7082 | } | |
7083 | if (eth_dst) { | |
7084 | eth.addresses.eth_dst = *eth_dst; | |
7085 | } | |
7086 | ||
7087 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_ETH, | |
7088 | ð, sizeof eth); | |
7089 | } | |
7090 | ||
b9ad7294 EJ |
7091 | void |
7092 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
c6d87201 | 7093 | struct ofpbuf *odp_actions, const char *tnl_type) |
b9ad7294 EJ |
7094 | { |
7095 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
c6d87201 | 7096 | tun_key_to_attr(odp_actions, tunnel, tunnel, NULL, tnl_type); |
b9ad7294 EJ |
7097 | nl_msg_end_nested(odp_actions, offset); |
7098 | } | |
a36de779 PS |
7099 | |
7100 | void | |
7101 | odp_put_tnl_push_action(struct ofpbuf *odp_actions, | |
7102 | struct ovs_action_push_tnl *data) | |
7103 | { | |
7104 | int size = offsetof(struct ovs_action_push_tnl, header); | |
7105 | ||
7106 | size += data->header_len; | |
7107 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_TUNNEL_PUSH, data, size); | |
7108 | } | |
7109 | ||
5bbda0aa EJ |
7110 | \f |
7111 | /* The commit_odp_actions() function and its helpers. */ | |
7112 | ||
7113 | static void | |
7114 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
7115 | const void *key, size_t key_size) | |
7116 | { | |
7117 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
7118 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
7119 | nl_msg_end_nested(odp_actions, offset); | |
7120 | } | |
7121 | ||
6d670e7f JR |
7122 | /* Masked set actions have a mask following the data within the netlink |
7123 | * attribute. The unmasked bits in the data will be cleared as the data | |
7124 | * is copied to the action. */ | |
7125 | void | |
7126 | commit_masked_set_action(struct ofpbuf *odp_actions, | |
7127 | enum ovs_key_attr key_type, | |
7128 | const void *key_, const void *mask_, size_t key_size) | |
7129 | { | |
7130 | size_t offset = nl_msg_start_nested(odp_actions, | |
7131 | OVS_ACTION_ATTR_SET_MASKED); | |
7132 | char *data = nl_msg_put_unspec_uninit(odp_actions, key_type, key_size * 2); | |
7133 | const char *key = key_, *mask = mask_; | |
7134 | ||
7135 | memcpy(data + key_size, mask, key_size); | |
7136 | /* Clear unmasked bits while copying. */ | |
7137 | while (key_size--) { | |
7138 | *data++ = *key++ & *mask++; | |
7139 | } | |
7140 | nl_msg_end_nested(odp_actions, offset); | |
7141 | } | |
7142 | ||
b9ad7294 EJ |
7143 | /* If any of the flow key data that ODP actions can modify are different in |
7144 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
7145 | * 'odp_actions' that change the flow tunneling information in key from | |
7146 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
7147 | * same way. In other words, operates the same as commit_odp_actions(), but | |
7148 | * only on tunneling information. */ | |
7149 | void | |
7150 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
c6d87201 | 7151 | struct ofpbuf *odp_actions, const char *tnl_type) |
5bbda0aa | 7152 | { |
ffe4c74f JB |
7153 | /* A valid IPV4_TUNNEL must have non-zero ip_dst; a valid IPv6 tunnel |
7154 | * must have non-zero ipv6_dst. */ | |
7155 | if (flow_tnl_dst_is_set(&flow->tunnel)) { | |
fc80de30 JR |
7156 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
7157 | return; | |
7158 | } | |
7159 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
c6d87201 | 7160 | odp_put_tunnel_action(&base->tunnel, odp_actions, tnl_type); |
05fb0928 | 7161 | } |
5bbda0aa EJ |
7162 | } |
7163 | ||
d23df9a8 JR |
7164 | static bool |
7165 | commit(enum ovs_key_attr attr, bool use_masked_set, | |
7166 | const void *key, void *base, void *mask, size_t size, | |
7167 | struct ofpbuf *odp_actions) | |
5bbda0aa | 7168 | { |
d23df9a8 JR |
7169 | if (memcmp(key, base, size)) { |
7170 | bool fully_masked = odp_mask_is_exact(attr, mask, size); | |
5bbda0aa | 7171 | |
d23df9a8 JR |
7172 | if (use_masked_set && !fully_masked) { |
7173 | commit_masked_set_action(odp_actions, attr, key, mask, size); | |
7174 | } else { | |
7175 | if (!fully_masked) { | |
7176 | memset(mask, 0xff, size); | |
7177 | } | |
7178 | commit_set_action(odp_actions, attr, key, size); | |
7179 | } | |
7180 | memcpy(base, key, size); | |
7181 | return true; | |
7182 | } else { | |
7183 | /* Mask bits are set when we have either read or set the corresponding | |
7184 | * values. Masked bits will be exact-matched, no need to set them | |
7185 | * if the value did not actually change. */ | |
7186 | return false; | |
5bbda0aa | 7187 | } |
d23df9a8 | 7188 | } |
5bbda0aa | 7189 | |
d23df9a8 JR |
7190 | static void |
7191 | get_ethernet_key(const struct flow *flow, struct ovs_key_ethernet *eth) | |
7192 | { | |
74ff3298 JR |
7193 | eth->eth_src = flow->dl_src; |
7194 | eth->eth_dst = flow->dl_dst; | |
d23df9a8 | 7195 | } |
1dd35f8a | 7196 | |
d23df9a8 JR |
7197 | static void |
7198 | put_ethernet_key(const struct ovs_key_ethernet *eth, struct flow *flow) | |
7199 | { | |
74ff3298 JR |
7200 | flow->dl_src = eth->eth_src; |
7201 | flow->dl_dst = eth->eth_dst; | |
d23df9a8 | 7202 | } |
5bbda0aa | 7203 | |
d23df9a8 | 7204 | static void |
f839892a JS |
7205 | commit_set_ether_action(const struct flow *flow, struct flow *base_flow, |
7206 | struct ofpbuf *odp_actions, | |
7207 | struct flow_wildcards *wc, | |
7208 | bool use_masked) | |
d23df9a8 JR |
7209 | { |
7210 | struct ovs_key_ethernet key, base, mask; | |
5bbda0aa | 7211 | |
f839892a JS |
7212 | if (flow->packet_type != htonl(PT_ETH)) { |
7213 | return; | |
7214 | } | |
7215 | ||
d23df9a8 JR |
7216 | get_ethernet_key(flow, &key); |
7217 | get_ethernet_key(base_flow, &base); | |
7218 | get_ethernet_key(&wc->masks, &mask); | |
7219 | ||
7220 | if (commit(OVS_KEY_ATTR_ETHERNET, use_masked, | |
7221 | &key, &base, &mask, sizeof key, odp_actions)) { | |
7222 | put_ethernet_key(&base, base_flow); | |
7223 | put_ethernet_key(&mask, &wc->masks); | |
7224 | } | |
5bbda0aa EJ |
7225 | } |
7226 | ||
7227 | static void | |
f0fb825a EG |
7228 | commit_vlan_action(const struct flow* flow, struct flow *base, |
7229 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
5bbda0aa | 7230 | { |
f0fb825a EG |
7231 | int base_n = flow_count_vlan_headers(base); |
7232 | int flow_n = flow_count_vlan_headers(flow); | |
7233 | flow_skip_common_vlan_headers(base, &base_n, flow, &flow_n); | |
1dd35f8a | 7234 | |
f0fb825a EG |
7235 | /* Pop all mismatching vlan of base, push those of flow */ |
7236 | for (; base_n >= 0; base_n--) { | |
5bbda0aa | 7237 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); |
f0fb825a | 7238 | wc->masks.vlans[base_n].qtag = OVS_BE32_MAX; |
5bbda0aa EJ |
7239 | } |
7240 | ||
f0fb825a | 7241 | for (; flow_n >= 0; flow_n--) { |
5bbda0aa EJ |
7242 | struct ovs_action_push_vlan vlan; |
7243 | ||
f0fb825a EG |
7244 | vlan.vlan_tpid = flow->vlans[flow_n].tpid; |
7245 | vlan.vlan_tci = flow->vlans[flow_n].tci; | |
5bbda0aa EJ |
7246 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, |
7247 | &vlan, sizeof vlan); | |
7248 | } | |
f0fb825a | 7249 | memcpy(base->vlans, flow->vlans, sizeof(base->vlans)); |
5bbda0aa EJ |
7250 | } |
7251 | ||
22d38fca | 7252 | /* Wildcarding already done at action translation time. */ |
b02475c5 SH |
7253 | static void |
7254 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
22d38fca | 7255 | struct ofpbuf *odp_actions) |
b02475c5 | 7256 | { |
22d38fca JR |
7257 | int base_n = flow_count_mpls_labels(base, NULL); |
7258 | int flow_n = flow_count_mpls_labels(flow, NULL); | |
8bfd0fda | 7259 | int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n, |
22d38fca | 7260 | NULL); |
8bfd0fda BP |
7261 | |
7262 | while (base_n > common_n) { | |
7263 | if (base_n - 1 == common_n && flow_n > common_n) { | |
7264 | /* If there is only one more LSE in base than there are common | |
7265 | * between base and flow; and flow has at least one more LSE than | |
7266 | * is common then the topmost LSE of base may be updated using | |
7267 | * set */ | |
7268 | struct ovs_key_mpls mpls_key; | |
7269 | ||
7270 | mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n]; | |
7271 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, | |
7272 | &mpls_key, sizeof mpls_key); | |
7273 | flow_set_mpls_lse(base, 0, mpls_key.mpls_lse); | |
7274 | common_n++; | |
7275 | } else { | |
7276 | /* Otherwise, if there more LSEs in base than are common between | |
7277 | * base and flow then pop the topmost one. */ | |
7278 | ovs_be16 dl_type; | |
8bfd0fda BP |
7279 | /* If all the LSEs are to be popped and this is not the outermost |
7280 | * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the | |
7281 | * POP_MPLS action instead of flow->dl_type. | |
7282 | * | |
7283 | * This is because the POP_MPLS action requires its ethertype | |
7284 | * argument to be an MPLS ethernet type but in this case | |
7285 | * flow->dl_type will be a non-MPLS ethernet type. | |
7286 | * | |
7287 | * When the final POP_MPLS action occurs it use flow->dl_type and | |
7288 | * the and the resulting packet will have the desired dl_type. */ | |
7289 | if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) { | |
7290 | dl_type = htons(ETH_TYPE_MPLS); | |
7291 | } else { | |
7292 | dl_type = flow->dl_type; | |
7293 | } | |
7294 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type); | |
500db308 | 7295 | ovs_assert(flow_pop_mpls(base, base_n, flow->dl_type, NULL)); |
8bfd0fda BP |
7296 | base_n--; |
7297 | } | |
b02475c5 SH |
7298 | } |
7299 | ||
8bfd0fda BP |
7300 | /* If, after the above popping and setting, there are more LSEs in flow |
7301 | * than base then some LSEs need to be pushed. */ | |
7302 | while (base_n < flow_n) { | |
b02475c5 SH |
7303 | struct ovs_action_push_mpls *mpls; |
7304 | ||
8bfd0fda BP |
7305 | mpls = nl_msg_put_unspec_zero(odp_actions, |
7306 | OVS_ACTION_ATTR_PUSH_MPLS, | |
9ddf12cc | 7307 | sizeof *mpls); |
b02475c5 | 7308 | mpls->mpls_ethertype = flow->dl_type; |
8bfd0fda | 7309 | mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1]; |
742c0ac3 JR |
7310 | /* Update base flow's MPLS stack, but do not clear L3. We need the L3 |
7311 | * headers if the flow is restored later due to returning from a patch | |
7312 | * port or group bucket. */ | |
7313 | flow_push_mpls(base, base_n, mpls->mpls_ethertype, NULL, false); | |
8bfd0fda BP |
7314 | flow_set_mpls_lse(base, 0, mpls->mpls_lse); |
7315 | base_n++; | |
b0a17866 | 7316 | } |
b02475c5 SH |
7317 | } |
7318 | ||
5bbda0aa | 7319 | static void |
3cea18ec | 7320 | get_ipv4_key(const struct flow *flow, struct ovs_key_ipv4 *ipv4, bool is_mask) |
5bbda0aa | 7321 | { |
d23df9a8 JR |
7322 | ipv4->ipv4_src = flow->nw_src; |
7323 | ipv4->ipv4_dst = flow->nw_dst; | |
7324 | ipv4->ipv4_proto = flow->nw_proto; | |
7325 | ipv4->ipv4_tos = flow->nw_tos; | |
7326 | ipv4->ipv4_ttl = flow->nw_ttl; | |
3cea18ec | 7327 | ipv4->ipv4_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 7328 | } |
5bbda0aa | 7329 | |
d23df9a8 | 7330 | static void |
3cea18ec | 7331 | put_ipv4_key(const struct ovs_key_ipv4 *ipv4, struct flow *flow, bool is_mask) |
d23df9a8 JR |
7332 | { |
7333 | flow->nw_src = ipv4->ipv4_src; | |
7334 | flow->nw_dst = ipv4->ipv4_dst; | |
7335 | flow->nw_proto = ipv4->ipv4_proto; | |
7336 | flow->nw_tos = ipv4->ipv4_tos; | |
7337 | flow->nw_ttl = ipv4->ipv4_ttl; | |
3cea18ec | 7338 | flow->nw_frag = odp_to_ovs_frag(ipv4->ipv4_frag, is_mask); |
d23df9a8 JR |
7339 | } |
7340 | ||
7341 | static void | |
7342 | commit_set_ipv4_action(const struct flow *flow, struct flow *base_flow, | |
7343 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
7344 | bool use_masked) | |
7345 | { | |
7346 | struct ovs_key_ipv4 key, mask, base; | |
5bbda0aa | 7347 | |
d23df9a8 JR |
7348 | /* Check that nw_proto and nw_frag remain unchanged. */ |
7349 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
7350 | flow->nw_frag == base_flow->nw_frag); | |
1dd35f8a | 7351 | |
3cea18ec JR |
7352 | get_ipv4_key(flow, &key, false); |
7353 | get_ipv4_key(base_flow, &base, false); | |
7354 | get_ipv4_key(&wc->masks, &mask, true); | |
d23df9a8 JR |
7355 | mask.ipv4_proto = 0; /* Not writeable. */ |
7356 | mask.ipv4_frag = 0; /* Not writable. */ | |
5bbda0aa | 7357 | |
b51d0390 JL |
7358 | if (flow_tnl_dst_is_set(&base_flow->tunnel) && |
7359 | ((base_flow->nw_tos ^ flow->nw_tos) & IP_ECN_MASK) == 0) { | |
7360 | mask.ipv4_tos &= ~IP_ECN_MASK; | |
7361 | } | |
7362 | ||
d23df9a8 JR |
7363 | if (commit(OVS_KEY_ATTR_IPV4, use_masked, &key, &base, &mask, sizeof key, |
7364 | odp_actions)) { | |
3cea18ec | 7365 | put_ipv4_key(&base, base_flow, false); |
d23df9a8 | 7366 | if (mask.ipv4_proto != 0) { /* Mask was changed by commit(). */ |
3cea18ec | 7367 | put_ipv4_key(&mask, &wc->masks, true); |
d23df9a8 JR |
7368 | } |
7369 | } | |
5bbda0aa EJ |
7370 | } |
7371 | ||
c4f2731d | 7372 | static void |
3cea18ec | 7373 | get_ipv6_key(const struct flow *flow, struct ovs_key_ipv6 *ipv6, bool is_mask) |
c4f2731d | 7374 | { |
932c96b7 JR |
7375 | ipv6->ipv6_src = flow->ipv6_src; |
7376 | ipv6->ipv6_dst = flow->ipv6_dst; | |
d23df9a8 JR |
7377 | ipv6->ipv6_label = flow->ipv6_label; |
7378 | ipv6->ipv6_proto = flow->nw_proto; | |
7379 | ipv6->ipv6_tclass = flow->nw_tos; | |
7380 | ipv6->ipv6_hlimit = flow->nw_ttl; | |
3cea18ec | 7381 | ipv6->ipv6_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 7382 | } |
c4f2731d | 7383 | |
d23df9a8 | 7384 | static void |
3cea18ec | 7385 | put_ipv6_key(const struct ovs_key_ipv6 *ipv6, struct flow *flow, bool is_mask) |
d23df9a8 | 7386 | { |
932c96b7 JR |
7387 | flow->ipv6_src = ipv6->ipv6_src; |
7388 | flow->ipv6_dst = ipv6->ipv6_dst; | |
d23df9a8 JR |
7389 | flow->ipv6_label = ipv6->ipv6_label; |
7390 | flow->nw_proto = ipv6->ipv6_proto; | |
7391 | flow->nw_tos = ipv6->ipv6_tclass; | |
7392 | flow->nw_ttl = ipv6->ipv6_hlimit; | |
3cea18ec | 7393 | flow->nw_frag = odp_to_ovs_frag(ipv6->ipv6_frag, is_mask); |
d23df9a8 | 7394 | } |
c4f2731d | 7395 | |
d23df9a8 JR |
7396 | static void |
7397 | commit_set_ipv6_action(const struct flow *flow, struct flow *base_flow, | |
7398 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
7399 | bool use_masked) | |
7400 | { | |
7401 | struct ovs_key_ipv6 key, mask, base; | |
1dd35f8a | 7402 | |
d23df9a8 JR |
7403 | /* Check that nw_proto and nw_frag remain unchanged. */ |
7404 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
7405 | flow->nw_frag == base_flow->nw_frag); | |
c4f2731d | 7406 | |
3cea18ec JR |
7407 | get_ipv6_key(flow, &key, false); |
7408 | get_ipv6_key(base_flow, &base, false); | |
7409 | get_ipv6_key(&wc->masks, &mask, true); | |
d23df9a8 JR |
7410 | mask.ipv6_proto = 0; /* Not writeable. */ |
7411 | mask.ipv6_frag = 0; /* Not writable. */ | |
f8977154 | 7412 | mask.ipv6_label &= htonl(IPV6_LABEL_MASK); /* Not writable. */ |
c4f2731d | 7413 | |
b51d0390 JL |
7414 | if (flow_tnl_dst_is_set(&base_flow->tunnel) && |
7415 | ((base_flow->nw_tos ^ flow->nw_tos) & IP_ECN_MASK) == 0) { | |
7416 | mask.ipv6_tclass &= ~IP_ECN_MASK; | |
7417 | } | |
7418 | ||
d23df9a8 JR |
7419 | if (commit(OVS_KEY_ATTR_IPV6, use_masked, &key, &base, &mask, sizeof key, |
7420 | odp_actions)) { | |
3cea18ec | 7421 | put_ipv6_key(&base, base_flow, false); |
d23df9a8 | 7422 | if (mask.ipv6_proto != 0) { /* Mask was changed by commit(). */ |
3cea18ec | 7423 | put_ipv6_key(&mask, &wc->masks, true); |
d23df9a8 JR |
7424 | } |
7425 | } | |
c4f2731d PS |
7426 | } |
7427 | ||
d23df9a8 JR |
7428 | static void |
7429 | get_arp_key(const struct flow *flow, struct ovs_key_arp *arp) | |
f6c8a6b1 | 7430 | { |
d23df9a8 JR |
7431 | /* ARP key has padding, clear it. */ |
7432 | memset(arp, 0, sizeof *arp); | |
f6c8a6b1 | 7433 | |
d23df9a8 JR |
7434 | arp->arp_sip = flow->nw_src; |
7435 | arp->arp_tip = flow->nw_dst; | |
7436 | arp->arp_op = htons(flow->nw_proto); | |
74ff3298 JR |
7437 | arp->arp_sha = flow->arp_sha; |
7438 | arp->arp_tha = flow->arp_tha; | |
d23df9a8 | 7439 | } |
f6c8a6b1 | 7440 | |
d23df9a8 JR |
7441 | static void |
7442 | put_arp_key(const struct ovs_key_arp *arp, struct flow *flow) | |
7443 | { | |
7444 | flow->nw_src = arp->arp_sip; | |
7445 | flow->nw_dst = arp->arp_tip; | |
7446 | flow->nw_proto = ntohs(arp->arp_op); | |
74ff3298 JR |
7447 | flow->arp_sha = arp->arp_sha; |
7448 | flow->arp_tha = arp->arp_tha; | |
d23df9a8 | 7449 | } |
f6c8a6b1 | 7450 | |
d23df9a8 JR |
7451 | static enum slow_path_reason |
7452 | commit_set_arp_action(const struct flow *flow, struct flow *base_flow, | |
7453 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
7454 | { | |
7455 | struct ovs_key_arp key, mask, base; | |
f6c8a6b1 | 7456 | |
d23df9a8 JR |
7457 | get_arp_key(flow, &key); |
7458 | get_arp_key(base_flow, &base); | |
7459 | get_arp_key(&wc->masks, &mask); | |
f6c8a6b1 | 7460 | |
d23df9a8 JR |
7461 | if (commit(OVS_KEY_ATTR_ARP, true, &key, &base, &mask, sizeof key, |
7462 | odp_actions)) { | |
7463 | put_arp_key(&base, base_flow); | |
7464 | put_arp_key(&mask, &wc->masks); | |
7465 | return SLOW_ACTION; | |
7466 | } | |
7467 | return 0; | |
f6c8a6b1 BP |
7468 | } |
7469 | ||
f6ecf944 JP |
7470 | static void |
7471 | get_icmp_key(const struct flow *flow, struct ovs_key_icmp *icmp) | |
7472 | { | |
7473 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
7474 | icmp->icmp_type = ntohs(flow->tp_src); | |
7475 | icmp->icmp_code = ntohs(flow->tp_dst); | |
7476 | } | |
7477 | ||
7478 | static void | |
7479 | put_icmp_key(const struct ovs_key_icmp *icmp, struct flow *flow) | |
7480 | { | |
7481 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
7482 | flow->tp_src = htons(icmp->icmp_type); | |
7483 | flow->tp_dst = htons(icmp->icmp_code); | |
7484 | } | |
7485 | ||
7486 | static enum slow_path_reason | |
7487 | commit_set_icmp_action(const struct flow *flow, struct flow *base_flow, | |
7488 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
7489 | { | |
7490 | struct ovs_key_icmp key, mask, base; | |
7491 | enum ovs_key_attr attr; | |
7492 | ||
a75636c8 | 7493 | if (is_icmpv4(flow, NULL)) { |
efa6665e | 7494 | attr = OVS_KEY_ATTR_ICMP; |
a75636c8 | 7495 | } else if (is_icmpv6(flow, NULL)) { |
efa6665e DDP |
7496 | attr = OVS_KEY_ATTR_ICMPV6; |
7497 | } else { | |
7498 | return 0; | |
7499 | } | |
7500 | ||
f6ecf944 JP |
7501 | get_icmp_key(flow, &key); |
7502 | get_icmp_key(base_flow, &base); | |
7503 | get_icmp_key(&wc->masks, &mask); | |
7504 | ||
f6ecf944 JP |
7505 | if (commit(attr, false, &key, &base, &mask, sizeof key, odp_actions)) { |
7506 | put_icmp_key(&base, base_flow); | |
7507 | put_icmp_key(&mask, &wc->masks); | |
7508 | return SLOW_ACTION; | |
7509 | } | |
7510 | return 0; | |
7511 | } | |
7512 | ||
e60e935b SRCSA |
7513 | static void |
7514 | get_nd_key(const struct flow *flow, struct ovs_key_nd *nd) | |
7515 | { | |
932c96b7 | 7516 | nd->nd_target = flow->nd_target; |
e60e935b | 7517 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
7518 | nd->nd_sll = flow->arp_sha; |
7519 | nd->nd_tll = flow->arp_tha; | |
e60e935b SRCSA |
7520 | } |
7521 | ||
7522 | static void | |
7523 | put_nd_key(const struct ovs_key_nd *nd, struct flow *flow) | |
7524 | { | |
932c96b7 | 7525 | flow->nd_target = nd->nd_target; |
e60e935b | 7526 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
7527 | flow->arp_sha = nd->nd_sll; |
7528 | flow->arp_tha = nd->nd_tll; | |
e60e935b SRCSA |
7529 | } |
7530 | ||
9b2b8497 VDA |
7531 | static void |
7532 | get_nd_extensions_key(const struct flow *flow, | |
7533 | struct ovs_key_nd_extensions *nd_ext) | |
7534 | { | |
7535 | /* ND Extensions key has padding, clear it. */ | |
7536 | memset(nd_ext, 0, sizeof *nd_ext); | |
7537 | nd_ext->nd_reserved = flow->igmp_group_ip4; | |
7538 | nd_ext->nd_options_type = ntohs(flow->tcp_flags); | |
7539 | } | |
7540 | ||
7541 | static void | |
7542 | put_nd_extensions_key(const struct ovs_key_nd_extensions *nd_ext, | |
7543 | struct flow *flow) | |
7544 | { | |
7545 | flow->igmp_group_ip4 = nd_ext->nd_reserved; | |
7546 | flow->tcp_flags = htons(nd_ext->nd_options_type); | |
7547 | } | |
7548 | ||
e60e935b SRCSA |
7549 | static enum slow_path_reason |
7550 | commit_set_nd_action(const struct flow *flow, struct flow *base_flow, | |
7551 | struct ofpbuf *odp_actions, | |
7552 | struct flow_wildcards *wc, bool use_masked) | |
7553 | { | |
7554 | struct ovs_key_nd key, mask, base; | |
7555 | ||
7556 | get_nd_key(flow, &key); | |
7557 | get_nd_key(base_flow, &base); | |
7558 | get_nd_key(&wc->masks, &mask); | |
7559 | ||
7560 | if (commit(OVS_KEY_ATTR_ND, use_masked, &key, &base, &mask, sizeof key, | |
7561 | odp_actions)) { | |
7562 | put_nd_key(&base, base_flow); | |
7563 | put_nd_key(&mask, &wc->masks); | |
7564 | return SLOW_ACTION; | |
7565 | } | |
7566 | ||
7567 | return 0; | |
7568 | } | |
7569 | ||
9b2b8497 VDA |
7570 | static enum slow_path_reason |
7571 | commit_set_nd_extensions_action(const struct flow *flow, | |
7572 | struct flow *base_flow, | |
7573 | struct ofpbuf *odp_actions, | |
7574 | struct flow_wildcards *wc, bool use_masked) | |
7575 | { | |
7576 | struct ovs_key_nd_extensions key, mask, base; | |
7577 | ||
7578 | get_nd_extensions_key(flow, &key); | |
7579 | get_nd_extensions_key(base_flow, &base); | |
7580 | get_nd_extensions_key(&wc->masks, &mask); | |
7581 | ||
7582 | if (commit(OVS_KEY_ATTR_ND_EXTENSIONS, use_masked, &key, | |
7583 | &base, &mask, sizeof key, odp_actions)) { | |
7584 | put_nd_extensions_key(&base, base_flow); | |
7585 | put_nd_extensions_key(&mask, &wc->masks); | |
7586 | return SLOW_ACTION; | |
7587 | } | |
7588 | return 0; | |
7589 | } | |
7590 | ||
f6c8a6b1 | 7591 | static enum slow_path_reason |
c4f2731d | 7592 | commit_set_nw_action(const struct flow *flow, struct flow *base, |
d23df9a8 JR |
7593 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
7594 | bool use_masked) | |
c4f2731d | 7595 | { |
9b2b8497 VDA |
7596 | uint32_t reason; |
7597 | ||
f6c8a6b1 | 7598 | /* Check if 'flow' really has an L3 header. */ |
c4f2731d | 7599 | if (!flow->nw_proto) { |
f6c8a6b1 | 7600 | return 0; |
c4f2731d PS |
7601 | } |
7602 | ||
f6c8a6b1 BP |
7603 | switch (ntohs(base->dl_type)) { |
7604 | case ETH_TYPE_IP: | |
d23df9a8 | 7605 | commit_set_ipv4_action(flow, base, odp_actions, wc, use_masked); |
f6c8a6b1 BP |
7606 | break; |
7607 | ||
7608 | case ETH_TYPE_IPV6: | |
d23df9a8 | 7609 | commit_set_ipv6_action(flow, base, odp_actions, wc, use_masked); |
9b2b8497 VDA |
7610 | if (base->nw_proto == IPPROTO_ICMPV6) { |
7611 | /* Commit extended attrs first to make sure | |
7612 | correct options are added.*/ | |
7613 | reason = commit_set_nd_extensions_action(flow, base, | |
7614 | odp_actions, wc, use_masked); | |
7615 | reason |= commit_set_nd_action(flow, base, odp_actions, | |
7616 | wc, use_masked); | |
7617 | return reason; | |
7618 | } | |
7619 | break; | |
f6c8a6b1 BP |
7620 | |
7621 | case ETH_TYPE_ARP: | |
7622 | return commit_set_arp_action(flow, base, odp_actions, wc); | |
c4f2731d | 7623 | } |
f6c8a6b1 BP |
7624 | |
7625 | return 0; | |
c4f2731d PS |
7626 | } |
7627 | ||
17553f27 | 7628 | static inline void |
3d2fbd70 JS |
7629 | get_nsh_key(const struct flow *flow, struct ovs_key_nsh *nsh, bool is_mask) |
7630 | { | |
17553f27 YY |
7631 | *nsh = flow->nsh; |
7632 | if (!is_mask) { | |
7633 | if (nsh->mdtype != NSH_M_TYPE1) { | |
7634 | memset(nsh->context, 0, sizeof(nsh->context)); | |
3d2fbd70 JS |
7635 | } |
7636 | } | |
7637 | } | |
7638 | ||
17553f27 | 7639 | static inline void |
3d2fbd70 JS |
7640 | put_nsh_key(const struct ovs_key_nsh *nsh, struct flow *flow, |
7641 | bool is_mask OVS_UNUSED) | |
7642 | { | |
17553f27 YY |
7643 | flow->nsh = *nsh; |
7644 | if (flow->nsh.mdtype != NSH_M_TYPE1) { | |
7645 | memset(flow->nsh.context, 0, sizeof(flow->nsh.context)); | |
3d2fbd70 JS |
7646 | } |
7647 | } | |
7648 | ||
f59cb331 | 7649 | static bool |
17553f27 | 7650 | commit_nsh(const struct ovs_key_nsh * flow_nsh, bool use_masked_set, |
f59cb331 YY |
7651 | const struct ovs_key_nsh *key, struct ovs_key_nsh *base, |
7652 | struct ovs_key_nsh *mask, size_t size, | |
7653 | struct ofpbuf *odp_actions) | |
7654 | { | |
7655 | enum ovs_key_attr attr = OVS_KEY_ATTR_NSH; | |
7656 | ||
7657 | if (memcmp(key, base, size) == 0) { | |
7658 | /* Mask bits are set when we have either read or set the corresponding | |
7659 | * values. Masked bits will be exact-matched, no need to set them | |
7660 | * if the value did not actually change. */ | |
7661 | return false; | |
7662 | } | |
7663 | ||
7664 | bool fully_masked = odp_mask_is_exact(attr, mask, size); | |
7665 | ||
7666 | if (use_masked_set && !fully_masked) { | |
7667 | size_t nsh_key_ofs; | |
7668 | struct ovs_nsh_key_base nsh_base; | |
7669 | struct ovs_nsh_key_base nsh_base_mask; | |
7670 | struct ovs_nsh_key_md1 md1; | |
7671 | struct ovs_nsh_key_md1 md1_mask; | |
7672 | size_t offset = nl_msg_start_nested(odp_actions, | |
7673 | OVS_ACTION_ATTR_SET_MASKED); | |
7674 | ||
7675 | nsh_base.flags = key->flags; | |
17553f27 | 7676 | nsh_base.ttl = key->ttl; |
f59cb331 YY |
7677 | nsh_base.mdtype = key->mdtype; |
7678 | nsh_base.np = key->np; | |
7679 | nsh_base.path_hdr = key->path_hdr; | |
7680 | ||
7681 | nsh_base_mask.flags = mask->flags; | |
17553f27 | 7682 | nsh_base_mask.ttl = mask->ttl; |
f59cb331 YY |
7683 | nsh_base_mask.mdtype = mask->mdtype; |
7684 | nsh_base_mask.np = mask->np; | |
7685 | nsh_base_mask.path_hdr = mask->path_hdr; | |
7686 | ||
7687 | /* OVS_KEY_ATTR_NSH keys */ | |
7688 | nsh_key_ofs = nl_msg_start_nested(odp_actions, OVS_KEY_ATTR_NSH); | |
7689 | ||
81fdabb9 | 7690 | /* put value and mask for OVS_NSH_KEY_ATTR_BASE */ |
f59cb331 YY |
7691 | char *data = nl_msg_put_unspec_uninit(odp_actions, |
7692 | OVS_NSH_KEY_ATTR_BASE, | |
81fdabb9 | 7693 | 2 * sizeof(nsh_base)); |
f59cb331 YY |
7694 | const char *lkey = (char *)&nsh_base, *lmask = (char *)&nsh_base_mask; |
7695 | size_t lkey_size = sizeof(nsh_base); | |
7696 | ||
7697 | while (lkey_size--) { | |
7698 | *data++ = *lkey++ & *lmask++; | |
7699 | } | |
81fdabb9 YY |
7700 | lmask = (char *)&nsh_base_mask; |
7701 | memcpy(data, lmask, sizeof(nsh_base_mask)); | |
f59cb331 YY |
7702 | |
7703 | switch (key->mdtype) { | |
7704 | case NSH_M_TYPE1: | |
7705 | memcpy(md1.context, key->context, sizeof key->context); | |
7706 | memcpy(md1_mask.context, mask->context, sizeof mask->context); | |
7707 | ||
81fdabb9 | 7708 | /* put value and mask for OVS_NSH_KEY_ATTR_MD1 */ |
f59cb331 YY |
7709 | data = nl_msg_put_unspec_uninit(odp_actions, |
7710 | OVS_NSH_KEY_ATTR_MD1, | |
81fdabb9 | 7711 | 2 * sizeof(md1)); |
f59cb331 YY |
7712 | lkey = (char *)&md1; |
7713 | lmask = (char *)&md1_mask; | |
7714 | lkey_size = sizeof(md1); | |
7715 | ||
7716 | while (lkey_size--) { | |
7717 | *data++ = *lkey++ & *lmask++; | |
7718 | } | |
f59cb331 YY |
7719 | lmask = (char *)&md1_mask; |
7720 | memcpy(data, lmask, sizeof(md1_mask)); | |
7721 | break; | |
7722 | case NSH_M_TYPE2: | |
7723 | default: | |
7724 | /* No match support for other MD formats yet. */ | |
7725 | break; | |
7726 | } | |
81fdabb9 | 7727 | |
f59cb331 YY |
7728 | nl_msg_end_nested(odp_actions, nsh_key_ofs); |
7729 | ||
7730 | nl_msg_end_nested(odp_actions, offset); | |
7731 | } else { | |
7732 | if (!fully_masked) { | |
7733 | memset(mask, 0xff, size); | |
7734 | } | |
7735 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
7736 | nsh_key_to_attr(odp_actions, flow_nsh, NULL, 0, false); | |
7737 | nl_msg_end_nested(odp_actions, offset); | |
7738 | } | |
7739 | memcpy(base, key, size); | |
7740 | return true; | |
7741 | } | |
7742 | ||
3d2fbd70 JS |
7743 | static void |
7744 | commit_set_nsh_action(const struct flow *flow, struct flow *base_flow, | |
7745 | struct ofpbuf *odp_actions, | |
7746 | struct flow_wildcards *wc, | |
7747 | bool use_masked) | |
7748 | { | |
7749 | struct ovs_key_nsh key, mask, base; | |
7750 | ||
7751 | if (flow->dl_type != htons(ETH_TYPE_NSH) || | |
7752 | !memcmp(&base_flow->nsh, &flow->nsh, sizeof base_flow->nsh)) { | |
7753 | return; | |
7754 | } | |
7755 | ||
7756 | /* Check that mdtype and np remain unchanged. */ | |
7757 | ovs_assert(flow->nsh.mdtype == base_flow->nsh.mdtype && | |
7758 | flow->nsh.np == base_flow->nsh.np); | |
7759 | ||
7760 | get_nsh_key(flow, &key, false); | |
7761 | get_nsh_key(base_flow, &base, false); | |
7762 | get_nsh_key(&wc->masks, &mask, true); | |
7763 | mask.mdtype = 0; /* Not writable. */ | |
7764 | mask.np = 0; /* Not writable. */ | |
7765 | ||
f59cb331 YY |
7766 | if (commit_nsh(&base_flow->nsh, use_masked, &key, &base, &mask, |
7767 | sizeof key, odp_actions)) { | |
3d2fbd70 JS |
7768 | put_nsh_key(&base, base_flow, false); |
7769 | if (mask.mdtype != 0) { /* Mask was changed by commit(). */ | |
7770 | put_nsh_key(&mask, &wc->masks, true); | |
7771 | } | |
7772 | } | |
7773 | } | |
7774 | ||
d23df9a8 JR |
7775 | /* TCP, UDP, and SCTP keys have the same layout. */ |
7776 | BUILD_ASSERT_DECL(sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_udp) && | |
7777 | sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_sctp)); | |
7778 | ||
5bbda0aa | 7779 | static void |
3cea18ec | 7780 | get_tp_key(const struct flow *flow, union ovs_key_tp *tp) |
5bbda0aa | 7781 | { |
3cea18ec JR |
7782 | tp->tcp.tcp_src = flow->tp_src; |
7783 | tp->tcp.tcp_dst = flow->tp_dst; | |
d23df9a8 JR |
7784 | } |
7785 | ||
7786 | static void | |
3cea18ec | 7787 | put_tp_key(const union ovs_key_tp *tp, struct flow *flow) |
d23df9a8 | 7788 | { |
3cea18ec JR |
7789 | flow->tp_src = tp->tcp.tcp_src; |
7790 | flow->tp_dst = tp->tcp.tcp_dst; | |
d23df9a8 JR |
7791 | } |
7792 | ||
7793 | static void | |
7794 | commit_set_port_action(const struct flow *flow, struct flow *base_flow, | |
7795 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
7796 | bool use_masked) | |
7797 | { | |
7798 | enum ovs_key_attr key_type; | |
3cea18ec | 7799 | union ovs_key_tp key, mask, base; |
d23df9a8 | 7800 | |
791a09be SH |
7801 | /* Check if 'flow' really has an L3 header. */ |
7802 | if (!flow->nw_proto) { | |
7803 | return; | |
7804 | } | |
7805 | ||
d23df9a8 | 7806 | if (!is_ip_any(base_flow)) { |
5bbda0aa EJ |
7807 | return; |
7808 | } | |
7809 | ||
5bbda0aa | 7810 | if (flow->nw_proto == IPPROTO_TCP) { |
d23df9a8 | 7811 | key_type = OVS_KEY_ATTR_TCP; |
5bbda0aa | 7812 | } else if (flow->nw_proto == IPPROTO_UDP) { |
d23df9a8 | 7813 | key_type = OVS_KEY_ATTR_UDP; |
c6bcb685 | 7814 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
d23df9a8 JR |
7815 | key_type = OVS_KEY_ATTR_SCTP; |
7816 | } else { | |
7817 | return; | |
7818 | } | |
c6bcb685 | 7819 | |
d23df9a8 JR |
7820 | get_tp_key(flow, &key); |
7821 | get_tp_key(base_flow, &base); | |
7822 | get_tp_key(&wc->masks, &mask); | |
c6bcb685 | 7823 | |
d23df9a8 JR |
7824 | if (commit(key_type, use_masked, &key, &base, &mask, sizeof key, |
7825 | odp_actions)) { | |
7826 | put_tp_key(&base, base_flow); | |
7827 | put_tp_key(&mask, &wc->masks); | |
5bbda0aa EJ |
7828 | } |
7829 | } | |
7830 | ||
7831 | static void | |
d23df9a8 | 7832 | commit_set_priority_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 7833 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
7834 | struct flow_wildcards *wc, |
7835 | bool use_masked) | |
5bbda0aa | 7836 | { |
d23df9a8 | 7837 | uint32_t key, mask, base; |
1dd35f8a | 7838 | |
d23df9a8 JR |
7839 | key = flow->skb_priority; |
7840 | base = base_flow->skb_priority; | |
7841 | mask = wc->masks.skb_priority; | |
5bbda0aa | 7842 | |
d23df9a8 JR |
7843 | if (commit(OVS_KEY_ATTR_PRIORITY, use_masked, &key, &base, &mask, |
7844 | sizeof key, odp_actions)) { | |
7845 | base_flow->skb_priority = base; | |
7846 | wc->masks.skb_priority = mask; | |
7847 | } | |
5bbda0aa EJ |
7848 | } |
7849 | ||
72e8bf28 | 7850 | static void |
d23df9a8 | 7851 | commit_set_pkt_mark_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 7852 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
7853 | struct flow_wildcards *wc, |
7854 | bool use_masked) | |
72e8bf28 | 7855 | { |
d23df9a8 | 7856 | uint32_t key, mask, base; |
1dd35f8a | 7857 | |
d23df9a8 JR |
7858 | key = flow->pkt_mark; |
7859 | base = base_flow->pkt_mark; | |
7860 | mask = wc->masks.pkt_mark; | |
72e8bf28 | 7861 | |
d23df9a8 JR |
7862 | if (commit(OVS_KEY_ATTR_SKB_MARK, use_masked, &key, &base, &mask, |
7863 | sizeof key, odp_actions)) { | |
7864 | base_flow->pkt_mark = base; | |
7865 | wc->masks.pkt_mark = mask; | |
7866 | } | |
72e8bf28 | 7867 | } |
7fd91025 | 7868 | |
1fc11c59 | 7869 | static void |
f59cb331 | 7870 | odp_put_pop_nsh_action(struct ofpbuf *odp_actions) |
1fc11c59 | 7871 | { |
f59cb331 | 7872 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_NSH); |
1fc11c59 JS |
7873 | } |
7874 | ||
7875 | static void | |
f59cb331 | 7876 | odp_put_push_nsh_action(struct ofpbuf *odp_actions, |
1fc11c59 JS |
7877 | const struct flow *flow, |
7878 | struct ofpbuf *encap_data) | |
7879 | { | |
f59cb331 YY |
7880 | uint8_t * metadata = NULL; |
7881 | uint8_t md_size = 0; | |
1fc11c59 | 7882 | |
f59cb331 | 7883 | switch (flow->nsh.mdtype) { |
1fc11c59 JS |
7884 | case NSH_M_TYPE2: |
7885 | if (encap_data) { | |
f59cb331 YY |
7886 | ovs_assert(encap_data->size < NSH_CTX_HDRS_MAX_LEN); |
7887 | metadata = encap_data->data; | |
7888 | md_size = encap_data->size; | |
1fc11c59 | 7889 | } else { |
f59cb331 | 7890 | md_size = 0; |
1fc11c59 JS |
7891 | } |
7892 | break; | |
7893 | default: | |
f59cb331 | 7894 | md_size = 0; |
1fc11c59 JS |
7895 | break; |
7896 | } | |
f59cb331 YY |
7897 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_PUSH_NSH); |
7898 | nsh_key_to_attr(odp_actions, &flow->nsh, metadata, md_size, false); | |
7899 | nl_msg_end_nested(odp_actions, offset); | |
1fc11c59 JS |
7900 | } |
7901 | ||
f839892a | 7902 | static void |
88ec1e0a | 7903 | commit_encap_decap_action(const struct flow *flow, |
f839892a JS |
7904 | struct flow *base_flow, |
7905 | struct ofpbuf *odp_actions, | |
7906 | struct flow_wildcards *wc, | |
88ec1e0a | 7907 | bool pending_encap, bool pending_decap, |
1fc11c59 | 7908 | struct ofpbuf *encap_data) |
f839892a | 7909 | { |
f839892a JS |
7910 | if (pending_encap) { |
7911 | switch (ntohl(flow->packet_type)) { | |
7912 | case PT_ETH: { | |
7913 | /* push_eth */ | |
7914 | odp_put_push_eth_action(odp_actions, &flow->dl_src, | |
7915 | &flow->dl_dst); | |
7916 | base_flow->packet_type = flow->packet_type; | |
7917 | base_flow->dl_src = flow->dl_src; | |
7918 | base_flow->dl_dst = flow->dl_dst; | |
7919 | break; | |
7920 | } | |
1fc11c59 | 7921 | case PT_NSH: |
f59cb331 YY |
7922 | /* push_nsh */ |
7923 | odp_put_push_nsh_action(odp_actions, flow, encap_data); | |
1fc11c59 JS |
7924 | base_flow->packet_type = flow->packet_type; |
7925 | /* Update all packet headers in base_flow. */ | |
7926 | memcpy(&base_flow->dl_dst, &flow->dl_dst, | |
7927 | sizeof(*flow) - offsetof(struct flow, dl_dst)); | |
7928 | break; | |
f839892a | 7929 | default: |
1fc11c59 JS |
7930 | /* Only the above protocols are supported for encap. |
7931 | * The check is done at action translation. */ | |
f839892a JS |
7932 | OVS_NOT_REACHED(); |
7933 | } | |
88ec1e0a | 7934 | } else if (pending_decap || flow->packet_type != base_flow->packet_type) { |
1fc11c59 | 7935 | /* This is an explicit or implicit decap case. */ |
f839892a JS |
7936 | if (pt_ns(flow->packet_type) == OFPHTN_ETHERTYPE && |
7937 | base_flow->packet_type == htonl(PT_ETH)) { | |
1fc11c59 | 7938 | /* Generate pop_eth and continue without recirculation. */ |
f839892a JS |
7939 | odp_put_pop_eth_action(odp_actions); |
7940 | base_flow->packet_type = flow->packet_type; | |
7941 | base_flow->dl_src = eth_addr_zero; | |
7942 | base_flow->dl_dst = eth_addr_zero; | |
7943 | } else { | |
1fc11c59 JS |
7944 | /* All other decap cases require recirculation. |
7945 | * No need to update the base flow here. */ | |
7946 | switch (ntohl(base_flow->packet_type)) { | |
7947 | case PT_NSH: | |
f59cb331 YY |
7948 | /* pop_nsh. */ |
7949 | odp_put_pop_nsh_action(odp_actions); | |
1fc11c59 JS |
7950 | break; |
7951 | default: | |
7952 | /* Checks are done during translation. */ | |
7953 | OVS_NOT_REACHED(); | |
7954 | } | |
f839892a JS |
7955 | } |
7956 | } | |
7957 | ||
7958 | wc->masks.packet_type = OVS_BE32_MAX; | |
7959 | } | |
7960 | ||
5bbda0aa EJ |
7961 | /* If any of the flow key data that ODP actions can modify are different in |
7962 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
7963 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
7964 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a | 7965 | * in addition to this function if needed. Sets fields in 'wc' that are |
7fd91025 BP |
7966 | * used as part of the action. |
7967 | * | |
7968 | * Returns a reason to force processing the flow's packets into the userspace | |
7969 | * slow path, if there is one, otherwise 0. */ | |
7970 | enum slow_path_reason | |
5bbda0aa | 7971 | commit_odp_actions(const struct flow *flow, struct flow *base, |
d23df9a8 | 7972 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
88ec1e0a | 7973 | bool use_masked, bool pending_encap, bool pending_decap, |
1fc11c59 | 7974 | struct ofpbuf *encap_data) |
5bbda0aa | 7975 | { |
f6ecf944 | 7976 | enum slow_path_reason slow1, slow2; |
742c0ac3 | 7977 | bool mpls_done = false; |
f6c8a6b1 | 7978 | |
88ec1e0a JS |
7979 | commit_encap_decap_action(flow, base, odp_actions, wc, |
7980 | pending_encap, pending_decap, encap_data); | |
f839892a | 7981 | commit_set_ether_action(flow, base, odp_actions, wc, use_masked); |
742c0ac3 JR |
7982 | /* Make packet a non-MPLS packet before committing L3/4 actions, |
7983 | * which would otherwise do nothing. */ | |
7984 | if (eth_type_mpls(base->dl_type) && !eth_type_mpls(flow->dl_type)) { | |
7985 | commit_mpls_action(flow, base, odp_actions); | |
7986 | mpls_done = true; | |
7987 | } | |
3d2fbd70 | 7988 | commit_set_nsh_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 7989 | slow1 = commit_set_nw_action(flow, base, odp_actions, wc, use_masked); |
d23df9a8 | 7990 | commit_set_port_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 7991 | slow2 = commit_set_icmp_action(flow, base, odp_actions, wc); |
742c0ac3 JR |
7992 | if (!mpls_done) { |
7993 | commit_mpls_action(flow, base, odp_actions); | |
7994 | } | |
f0fb825a | 7995 | commit_vlan_action(flow, base, odp_actions, wc); |
d23df9a8 JR |
7996 | commit_set_priority_action(flow, base, odp_actions, wc, use_masked); |
7997 | commit_set_pkt_mark_action(flow, base, odp_actions, wc, use_masked); | |
7fd91025 | 7998 | |
f6ecf944 | 7999 | return slow1 ? slow1 : slow2; |
5bbda0aa | 8000 | } |