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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 | |
e6cc0bab AZ |
60 | static int parse_odp_key_mask_attr(const char *, const struct simap *port_names, |
61 | struct ofpbuf *, struct ofpbuf *); | |
62 | static void format_odp_key_attr(const struct nlattr *a, | |
0a37839c GS |
63 | const struct nlattr *ma, |
64 | const struct hmap *portno_names, struct ds *ds, | |
041e7168 | 65 | bool verbose); |
a052b51b | 66 | |
5bb08b0e JG |
67 | struct geneve_scan { |
68 | struct geneve_opt d[63]; | |
69 | int len; | |
70 | }; | |
71 | ||
72 | static int scan_geneve(const char *s, struct geneve_scan *key, | |
73 | struct geneve_scan *mask); | |
74 | static void format_geneve_opts(const struct geneve_opt *opt, | |
75 | const struct geneve_opt *mask, int opts_len, | |
76 | struct ds *, bool verbose); | |
77 | ||
65da723b JG |
78 | static struct nlattr *generate_all_wildcard_mask(const struct attr_len_tbl tbl[], |
79 | int max, struct ofpbuf *, | |
80 | const struct nlattr *key); | |
89cf41ec BP |
81 | static void format_u128(struct ds *d, const ovs_32aligned_u128 *key, |
82 | const ovs_32aligned_u128 *mask, bool verbose); | |
9daf2348 JS |
83 | static int scan_u128(const char *s, ovs_u128 *value, ovs_u128 *mask); |
84 | ||
c37f7135 AZ |
85 | static int parse_odp_action(const char *s, const struct simap *port_names, |
86 | struct ofpbuf *actions); | |
87 | ||
98403001 BP |
88 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
89 | * 'type': | |
90 | * | |
91 | * - For an action whose argument has a fixed length, returned that | |
92 | * nonnegative length in bytes. | |
93 | * | |
6b8da9e9 | 94 | * - For an action with a variable-length argument, returns ATTR_LEN_VARIABLE. |
98403001 | 95 | * |
6b8da9e9 | 96 | * - For an invalid 'type', returns ATTR_LEN_INVALID. */ |
4edb9ae9 | 97 | static int |
cdee00fd BP |
98 | odp_action_len(uint16_t type) |
99 | { | |
df2c07f4 | 100 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
101 | return -1; |
102 | } | |
103 | ||
09ded0ad | 104 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 105 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
aaca4fe0 | 106 | case OVS_ACTION_ATTR_TRUNC: return sizeof(struct ovs_action_trunc); |
6b8da9e9 | 107 | case OVS_ACTION_ATTR_TUNNEL_PUSH: return ATTR_LEN_VARIABLE; |
a36de779 | 108 | case OVS_ACTION_ATTR_TUNNEL_POP: return sizeof(uint32_t); |
5dddf960 | 109 | case OVS_ACTION_ATTR_METER: return sizeof(uint32_t); |
6b8da9e9 | 110 | case OVS_ACTION_ATTR_USERSPACE: return ATTR_LEN_VARIABLE; |
fea393b1 BP |
111 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
112 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
113 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
114 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
347bf289 AZ |
115 | case OVS_ACTION_ATTR_RECIRC: return sizeof(uint32_t); |
116 | case OVS_ACTION_ATTR_HASH: return sizeof(struct ovs_action_hash); | |
6b8da9e9 JG |
117 | case OVS_ACTION_ATTR_SET: return ATTR_LEN_VARIABLE; |
118 | case OVS_ACTION_ATTR_SET_MASKED: return ATTR_LEN_VARIABLE; | |
119 | case OVS_ACTION_ATTR_SAMPLE: return ATTR_LEN_VARIABLE; | |
07659514 | 120 | case OVS_ACTION_ATTR_CT: return ATTR_LEN_VARIABLE; |
1fe178d2 | 121 | case OVS_ACTION_ATTR_CT_CLEAR: return 0; |
6fcecb85 YY |
122 | case OVS_ACTION_ATTR_PUSH_ETH: return sizeof(struct ovs_action_push_eth); |
123 | case OVS_ACTION_ATTR_POP_ETH: return 0; | |
535e3acf | 124 | case OVS_ACTION_ATTR_CLONE: return ATTR_LEN_VARIABLE; |
f59cb331 YY |
125 | case OVS_ACTION_ATTR_PUSH_NSH: return ATTR_LEN_VARIABLE; |
126 | case OVS_ACTION_ATTR_POP_NSH: return 0; | |
df2c07f4 JP |
127 | |
128 | case OVS_ACTION_ATTR_UNSPEC: | |
129 | case __OVS_ACTION_ATTR_MAX: | |
6b8da9e9 | 130 | return ATTR_LEN_INVALID; |
cdee00fd BP |
131 | } |
132 | ||
6b8da9e9 | 133 | return ATTR_LEN_INVALID; |
cdee00fd BP |
134 | } |
135 | ||
e6603631 BP |
136 | /* Returns a string form of 'attr'. The return value is either a statically |
137 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
138 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
139 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 140 | static const char * |
e6603631 | 141 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 142 | { |
744791b5 BP |
143 | switch (attr) { |
144 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 145 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 146 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 147 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
07659514 JS |
148 | case OVS_KEY_ATTR_CT_STATE: return "ct_state"; |
149 | case OVS_KEY_ATTR_CT_ZONE: return "ct_zone"; | |
8e53fe8c | 150 | case OVS_KEY_ATTR_CT_MARK: return "ct_mark"; |
9daf2348 | 151 | case OVS_KEY_ATTR_CT_LABELS: return "ct_label"; |
c30b4cea JR |
152 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: return "ct_tuple4"; |
153 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: return "ct_tuple6"; | |
9b405f1a | 154 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
155 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
156 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 157 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
158 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
159 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
160 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
161 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
dc235f7f | 162 | case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags"; |
744791b5 | 163 | case OVS_KEY_ATTR_UDP: return "udp"; |
c6bcb685 | 164 | case OVS_KEY_ATTR_SCTP: return "sctp"; |
744791b5 BP |
165 | case OVS_KEY_ATTR_ICMP: return "icmp"; |
166 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
167 | case OVS_KEY_ATTR_ARP: return "arp"; | |
168 | case OVS_KEY_ATTR_ND: return "nd"; | |
b02475c5 | 169 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
572f732a AZ |
170 | case OVS_KEY_ATTR_DP_HASH: return "dp_hash"; |
171 | case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id"; | |
beb75a40 | 172 | case OVS_KEY_ATTR_PACKET_TYPE: return "packet_type"; |
3d2fbd70 | 173 | case OVS_KEY_ATTR_NSH: return "nsh"; |
744791b5 BP |
174 | |
175 | case __OVS_KEY_ATTR_MAX: | |
176 | default: | |
e6603631 BP |
177 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
178 | return namebuf; | |
744791b5 BP |
179 | } |
180 | } | |
181 | ||
cdee00fd BP |
182 | static void |
183 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
184 | { | |
8ba43fbd BP |
185 | size_t len = nl_attr_get_size(a); |
186 | ||
fd13c6b5 | 187 | ds_put_format(ds, "action%d", nl_attr_type(a)); |
8ba43fbd | 188 | if (len) { |
cdee00fd BP |
189 | const uint8_t *unspec; |
190 | unsigned int i; | |
191 | ||
192 | unspec = nl_attr_get(a); | |
8ba43fbd | 193 | for (i = 0; i < len; i++) { |
cdee00fd BP |
194 | ds_put_char(ds, i ? ' ': '('); |
195 | ds_put_format(ds, "%02x", unspec[i]); | |
196 | } | |
197 | ds_put_char(ds, ')'); | |
198 | } | |
199 | } | |
200 | ||
6ff686f2 | 201 | static void |
0722f341 BP |
202 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr, |
203 | const struct hmap *portno_names) | |
6ff686f2 PS |
204 | { |
205 | static const struct nl_policy ovs_sample_policy[] = { | |
3548d242 BP |
206 | [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 }, |
207 | [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED } | |
6ff686f2 PS |
208 | }; |
209 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
210 | double percentage; |
211 | const struct nlattr *nla_acts; | |
212 | int len; | |
213 | ||
214 | ds_put_cstr(ds, "sample"); | |
215 | ||
5621afff | 216 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
217 | ds_put_cstr(ds, "(error)"); |
218 | return; | |
219 | } | |
220 | ||
221 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
222 | UINT32_MAX; | |
223 | ||
224 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
225 | ||
226 | ds_put_cstr(ds, "actions("); | |
227 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
228 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
0722f341 | 229 | format_odp_actions(ds, nla_acts, len, portno_names); |
6ff686f2 PS |
230 | ds_put_format(ds, "))"); |
231 | } | |
232 | ||
535e3acf | 233 | static void |
0722f341 BP |
234 | format_odp_clone_action(struct ds *ds, const struct nlattr *attr, |
235 | const struct hmap *portno_names) | |
535e3acf AZ |
236 | { |
237 | const struct nlattr *nla_acts = nl_attr_get(attr); | |
238 | int len = nl_attr_get_size(attr); | |
239 | ||
240 | ds_put_cstr(ds, "clone"); | |
241 | ds_put_format(ds, "("); | |
0722f341 | 242 | format_odp_actions(ds, nla_acts, len, portno_names); |
535e3acf AZ |
243 | ds_put_format(ds, ")"); |
244 | } | |
245 | ||
3d2fbd70 JS |
246 | static void |
247 | format_nsh_key(struct ds *ds, const struct ovs_key_nsh *key) | |
248 | { | |
249 | ds_put_format(ds, "flags=%d", key->flags); | |
17553f27 | 250 | ds_put_format(ds, "ttl=%d", key->ttl); |
3d2fbd70 JS |
251 | ds_put_format(ds, ",mdtype=%d", key->mdtype); |
252 | ds_put_format(ds, ",np=%d", key->np); | |
253 | ds_put_format(ds, ",spi=0x%x", | |
17553f27 | 254 | nsh_path_hdr_to_spi_uint32(key->path_hdr)); |
3d2fbd70 | 255 | ds_put_format(ds, ",si=%d", |
17553f27 | 256 | nsh_path_hdr_to_si(key->path_hdr)); |
3d2fbd70 JS |
257 | |
258 | switch (key->mdtype) { | |
259 | case NSH_M_TYPE1: | |
260 | for (int i = 0; i < 4; i++) { | |
f59cb331 | 261 | ds_put_format(ds, ",c%d=0x%x", i + 1, ntohl(key->context[i])); |
3d2fbd70 JS |
262 | } |
263 | break; | |
264 | case NSH_M_TYPE2: | |
3d2fbd70 | 265 | default: |
1fc11c59 JS |
266 | /* No support for matching other metadata formats yet. */ |
267 | break; | |
3d2fbd70 JS |
268 | } |
269 | } | |
270 | ||
271 | static void | |
272 | format_uint8_masked(struct ds *s, bool *first, const char *name, | |
273 | uint8_t value, uint8_t mask) | |
274 | { | |
275 | if (mask != 0) { | |
276 | if (!*first) { | |
277 | ds_put_char(s, ','); | |
278 | } | |
279 | ds_put_format(s, "%s=", name); | |
280 | if (mask == UINT8_MAX) { | |
281 | ds_put_format(s, "%"PRIu8, value); | |
282 | } else { | |
283 | ds_put_format(s, "0x%02"PRIx8"/0x%02"PRIx8, value, mask); | |
284 | } | |
285 | *first = false; | |
286 | } | |
287 | } | |
288 | ||
289 | static void | |
290 | format_be32_masked(struct ds *s, bool *first, const char *name, | |
291 | ovs_be32 value, ovs_be32 mask) | |
292 | { | |
293 | if (mask != htonl(0)) { | |
294 | if (!*first) { | |
295 | ds_put_char(s, ','); | |
296 | } | |
297 | ds_put_format(s, "%s=", name); | |
298 | if (mask == OVS_BE32_MAX) { | |
299 | ds_put_format(s, "0x%"PRIx32, ntohl(value)); | |
300 | } else { | |
301 | ds_put_format(s, "0x%"PRIx32"/0x%08"PRIx32, | |
302 | ntohl(value), ntohl(mask)); | |
303 | } | |
304 | *first = false; | |
305 | } | |
306 | } | |
307 | ||
308 | static void | |
309 | format_nsh_key_mask(struct ds *ds, const struct ovs_key_nsh *key, | |
310 | const struct ovs_key_nsh *mask) | |
311 | { | |
312 | if (!mask) { | |
313 | format_nsh_key(ds, key); | |
314 | } else { | |
315 | bool first = true; | |
17553f27 YY |
316 | uint32_t spi = nsh_path_hdr_to_spi_uint32(key->path_hdr); |
317 | uint32_t spi_mask = nsh_path_hdr_to_spi_uint32(mask->path_hdr); | |
318 | if (spi_mask == (NSH_SPI_MASK >> NSH_SPI_SHIFT)) { | |
3d2fbd70 JS |
319 | spi_mask = UINT32_MAX; |
320 | } | |
17553f27 YY |
321 | uint8_t si = nsh_path_hdr_to_si(key->path_hdr); |
322 | uint8_t si_mask = nsh_path_hdr_to_si(mask->path_hdr); | |
3d2fbd70 JS |
323 | |
324 | format_uint8_masked(ds, &first, "flags", key->flags, mask->flags); | |
17553f27 | 325 | format_uint8_masked(ds, &first, "ttl", key->ttl, mask->ttl); |
3d2fbd70 JS |
326 | format_uint8_masked(ds, &first, "mdtype", key->mdtype, mask->mdtype); |
327 | format_uint8_masked(ds, &first, "np", key->np, mask->np); | |
328 | format_be32_masked(ds, &first, "spi", htonl(spi), htonl(spi_mask)); | |
329 | format_uint8_masked(ds, &first, "si", si, si_mask); | |
f59cb331 YY |
330 | format_be32_masked(ds, &first, "c1", key->context[0], |
331 | mask->context[0]); | |
332 | format_be32_masked(ds, &first, "c2", key->context[1], | |
333 | mask->context[1]); | |
334 | format_be32_masked(ds, &first, "c3", key->context[2], | |
335 | mask->context[2]); | |
336 | format_be32_masked(ds, &first, "c4", key->context[3], | |
337 | mask->context[3]); | |
3d2fbd70 JS |
338 | } |
339 | } | |
340 | ||
1fc11c59 | 341 | static void |
f59cb331 YY |
342 | format_odp_push_nsh_action(struct ds *ds, |
343 | const struct nsh_hdr *nsh_hdr) | |
1fc11c59 | 344 | { |
f59cb331 | 345 | size_t mdlen = nsh_hdr_len(nsh_hdr) - NSH_BASE_HDR_LEN; |
17553f27 YY |
346 | uint32_t spi = ntohl(nsh_get_spi(nsh_hdr)); |
347 | uint8_t si = nsh_get_si(nsh_hdr); | |
f59cb331 | 348 | uint8_t flags = nsh_get_flags(nsh_hdr); |
17553f27 | 349 | uint8_t ttl = nsh_get_ttl(nsh_hdr); |
1fc11c59 | 350 | |
f59cb331 YY |
351 | ds_put_cstr(ds, "push_nsh("); |
352 | ds_put_format(ds, "flags=%d", flags); | |
17553f27 | 353 | ds_put_format(ds, ",ttl=%d", ttl); |
f59cb331 YY |
354 | ds_put_format(ds, ",mdtype=%d", nsh_hdr->md_type); |
355 | ds_put_format(ds, ",np=%d", nsh_hdr->next_proto); | |
1fc11c59 JS |
356 | ds_put_format(ds, ",spi=0x%x", spi); |
357 | ds_put_format(ds, ",si=%d", si); | |
f59cb331 | 358 | switch (nsh_hdr->md_type) { |
1fc11c59 | 359 | case NSH_M_TYPE1: { |
f59cb331 | 360 | const struct nsh_md1_ctx *md1_ctx = &nsh_hdr->md1; |
1fc11c59 JS |
361 | for (int i = 0; i < 4; i++) { |
362 | ds_put_format(ds, ",c%d=0x%x", i + 1, | |
f59cb331 | 363 | ntohl(get_16aligned_be32(&md1_ctx->context[i]))); |
1fc11c59 JS |
364 | } |
365 | break; | |
366 | } | |
f59cb331 YY |
367 | case NSH_M_TYPE2: { |
368 | const struct nsh_md2_tlv *md2_ctx = &nsh_hdr->md2; | |
1fc11c59 | 369 | ds_put_cstr(ds, ",md2="); |
f59cb331 | 370 | ds_put_hex(ds, md2_ctx, mdlen); |
1fc11c59 | 371 | break; |
f59cb331 | 372 | } |
1fc11c59 JS |
373 | default: |
374 | OVS_NOT_REACHED(); | |
375 | } | |
376 | ds_put_format(ds, ")"); | |
377 | } | |
378 | ||
6a7e895f | 379 | static const char * |
04594cd5 | 380 | slow_path_reason_to_string(uint32_t reason) |
6a7e895f | 381 | { |
04594cd5 BP |
382 | switch ((enum slow_path_reason) reason) { |
383 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING; | |
384 | SLOW_PATH_REASONS | |
385 | #undef SPR | |
6a7e895f | 386 | } |
04594cd5 BP |
387 | |
388 | return NULL; | |
6a7e895f BP |
389 | } |
390 | ||
04594cd5 BP |
391 | const char * |
392 | slow_path_reason_to_explanation(enum slow_path_reason reason) | |
98f0520f | 393 | { |
04594cd5 BP |
394 | switch (reason) { |
395 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION; | |
396 | SLOW_PATH_REASONS | |
397 | #undef SPR | |
98f0520f EJ |
398 | } |
399 | ||
04594cd5 | 400 | return "<unknown>"; |
98f0520f EJ |
401 | } |
402 | ||
ec956fc7 | 403 | static int |
8e4c1621 JG |
404 | parse_odp_flags(const char *s, const char *(*bit_to_string)(uint32_t), |
405 | uint32_t *res_flags, uint32_t allowed, uint32_t *res_mask) | |
ec956fc7 | 406 | { |
8e4c1621 JG |
407 | return parse_flags(s, bit_to_string, ')', NULL, NULL, |
408 | res_flags, allowed, res_mask); | |
6a7e895f BP |
409 | } |
410 | ||
98403001 | 411 | static void |
0722f341 BP |
412 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr, |
413 | const struct hmap *portno_names) | |
98403001 BP |
414 | { |
415 | static const struct nl_policy ovs_userspace_policy[] = { | |
3548d242 BP |
416 | [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 }, |
417 | [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC, | |
418 | .optional = true }, | |
8b7ea2d4 WZ |
419 | [OVS_USERSPACE_ATTR_EGRESS_TUN_PORT] = { .type = NL_A_U32, |
420 | .optional = true }, | |
7321bda3 NM |
421 | [OVS_USERSPACE_ATTR_ACTIONS] = { .type = NL_A_UNSPEC, |
422 | .optional = true }, | |
98403001 BP |
423 | }; |
424 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 425 | const struct nlattr *userdata_attr; |
8b7ea2d4 | 426 | const struct nlattr *tunnel_out_port_attr; |
98403001 BP |
427 | |
428 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
429 | ds_put_cstr(ds, "userspace(error)"); | |
430 | return; | |
431 | } | |
432 | ||
433 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
434 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
435 | ||
e995e3df | 436 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
437 | |
438 | if (userdata_attr) { | |
439 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
440 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
441 | bool userdata_unspec = true; | |
8de6ff3e | 442 | struct user_action_cookie cookie; |
98403001 | 443 | |
8de6ff3e JP |
444 | if (userdata_len == sizeof cookie) { |
445 | memcpy(&cookie, userdata, sizeof cookie); | |
29089a54 RL |
446 | |
447 | userdata_unspec = false; | |
448 | ||
8de6ff3e | 449 | if (cookie.type == USER_ACTION_COOKIE_SFLOW) { |
29089a54 | 450 | ds_put_format(ds, ",sFlow(" |
fd13c6b5 | 451 | "vid=%"PRIu16",pcp=%d,output=%"PRIu32")", |
29089a54 RL |
452 | vlan_tci_to_vid(cookie.sflow.vlan_tci), |
453 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
454 | cookie.sflow.output); | |
8de6ff3e | 455 | } else if (cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { |
04594cd5 BP |
456 | ds_put_cstr(ds, ",slow_path("); |
457 | format_flags(ds, slow_path_reason_to_string, | |
458 | cookie.slow_path.reason, ','); | |
459 | ds_put_format(ds, ")"); | |
8de6ff3e | 460 | } else if (cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { |
29089a54 RL |
461 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 |
462 | ",collector_set_id=%"PRIu32 | |
463 | ",obs_domain_id=%"PRIu32 | |
f69f713b | 464 | ",obs_point_id=%"PRIu32 |
0722f341 | 465 | ",output_port=", |
29089a54 RL |
466 | cookie.flow_sample.probability, |
467 | cookie.flow_sample.collector_set_id, | |
468 | cookie.flow_sample.obs_domain_id, | |
0722f341 BP |
469 | cookie.flow_sample.obs_point_id); |
470 | odp_portno_name_format(portno_names, | |
471 | cookie.flow_sample.output_odp_port, ds); | |
4930ea56 BP |
472 | if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_INGRESS) { |
473 | ds_put_cstr(ds, ",ingress"); | |
474 | } else if (cookie.flow_sample.direction == NX_ACTION_SAMPLE_EGRESS) { | |
475 | ds_put_cstr(ds, ",egress"); | |
476 | } | |
477 | ds_put_char(ds, ')'); | |
8de6ff3e | 478 | } else if (cookie.type == USER_ACTION_COOKIE_IPFIX) { |
0722f341 BP |
479 | ds_put_format(ds, ",ipfix(output_port="); |
480 | odp_portno_name_format(portno_names, | |
481 | cookie.ipfix.output_odp_port, ds); | |
482 | ds_put_char(ds, ')'); | |
d39ec23d JP |
483 | } else if (cookie.type == USER_ACTION_COOKIE_CONTROLLER) { |
484 | ds_put_format(ds, ",controller(reason=%"PRIu16 | |
68c5c73b AC |
485 | ",dont_send=%d" |
486 | ",continuation=%d" | |
d39ec23d JP |
487 | ",recirc_id=%"PRIu32 |
488 | ",rule_cookie=%#"PRIx64 | |
489 | ",controller_id=%"PRIu16 | |
490 | ",max_len=%"PRIu16, | |
491 | cookie.controller.reason, | |
492 | cookie.controller.dont_send ? 1 : 0, | |
74c4530d | 493 | cookie.controller.continuation ? 1 : 0, |
d39ec23d JP |
494 | cookie.controller.recirc_id, |
495 | ntohll(get_32aligned_be64( | |
496 | &cookie.controller.rule_cookie)), | |
497 | cookie.controller.controller_id, | |
498 | cookie.controller.max_len); | |
499 | ds_put_char(ds, ')'); | |
29089a54 RL |
500 | } else { |
501 | userdata_unspec = true; | |
502 | } | |
98403001 | 503 | } |
e995e3df | 504 | |
29089a54 RL |
505 | if (userdata_unspec) { |
506 | size_t i; | |
507 | ds_put_format(ds, ",userdata("); | |
508 | for (i = 0; i < userdata_len; i++) { | |
509 | ds_put_format(ds, "%02x", userdata[i]); | |
510 | } | |
511 | ds_put_char(ds, ')'); | |
e995e3df | 512 | } |
98403001 BP |
513 | } |
514 | ||
7321bda3 NM |
515 | if (a[OVS_USERSPACE_ATTR_ACTIONS]) { |
516 | ds_put_cstr(ds, ",actions"); | |
517 | } | |
518 | ||
8b7ea2d4 WZ |
519 | tunnel_out_port_attr = a[OVS_USERSPACE_ATTR_EGRESS_TUN_PORT]; |
520 | if (tunnel_out_port_attr) { | |
0722f341 BP |
521 | ds_put_format(ds, ",tunnel_out_port="); |
522 | odp_portno_name_format(portno_names, | |
523 | nl_attr_get_odp_port(tunnel_out_port_attr), ds); | |
8b7ea2d4 WZ |
524 | } |
525 | ||
98403001 BP |
526 | ds_put_char(ds, ')'); |
527 | } | |
528 | ||
8ddc056d | 529 | static void |
2d18eae8 | 530 | format_vlan_tci(struct ds *ds, ovs_be16 tci, ovs_be16 mask, bool verbose) |
8ddc056d | 531 | { |
2d18eae8 JR |
532 | if (verbose || vlan_tci_to_vid(tci) || vlan_tci_to_vid(mask)) { |
533 | ds_put_format(ds, "vid=%"PRIu16, vlan_tci_to_vid(tci)); | |
534 | if (vlan_tci_to_vid(mask) != VLAN_VID_MASK) { /* Partially masked. */ | |
535 | ds_put_format(ds, "/0x%"PRIx16, vlan_tci_to_vid(mask)); | |
536 | }; | |
537 | ds_put_char(ds, ','); | |
538 | } | |
539 | if (verbose || vlan_tci_to_pcp(tci) || vlan_tci_to_pcp(mask)) { | |
540 | ds_put_format(ds, "pcp=%d", vlan_tci_to_pcp(tci)); | |
541 | if (vlan_tci_to_pcp(mask) != (VLAN_PCP_MASK >> VLAN_PCP_SHIFT)) { | |
542 | ds_put_format(ds, "/0x%x", vlan_tci_to_pcp(mask)); | |
543 | } | |
544 | ds_put_char(ds, ','); | |
545 | } | |
546 | if (!(tci & htons(VLAN_CFI))) { | |
547 | ds_put_cstr(ds, "cfi=0"); | |
548 | ds_put_char(ds, ','); | |
8ddc056d | 549 | } |
2d18eae8 | 550 | ds_chomp(ds, ','); |
8ddc056d BP |
551 | } |
552 | ||
b02475c5 SH |
553 | static void |
554 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
555 | { | |
556 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
557 | mpls_lse_to_label(mpls_lse), | |
558 | mpls_lse_to_tc(mpls_lse), | |
559 | mpls_lse_to_ttl(mpls_lse), | |
560 | mpls_lse_to_bos(mpls_lse)); | |
561 | } | |
562 | ||
e6cc0bab AZ |
563 | static void |
564 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
8bfd0fda | 565 | const struct ovs_key_mpls *mpls_mask, int n) |
e6cc0bab | 566 | { |
8f79bb4d JR |
567 | for (int i = 0; i < n; i++) { |
568 | ovs_be32 key = mpls_key[i].mpls_lse; | |
e6cc0bab | 569 | |
8bfd0fda BP |
570 | if (mpls_mask == NULL) { |
571 | format_mpls_lse(ds, key); | |
572 | } else { | |
8f79bb4d | 573 | ovs_be32 mask = mpls_mask[i].mpls_lse; |
8bfd0fda BP |
574 | |
575 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
576 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
577 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
578 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
579 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
580 | } | |
8f79bb4d | 581 | ds_put_char(ds, ','); |
e6cc0bab | 582 | } |
8f79bb4d | 583 | ds_chomp(ds, ','); |
e6cc0bab AZ |
584 | } |
585 | ||
572f732a | 586 | static void |
347bf289 | 587 | format_odp_recirc_action(struct ds *ds, uint32_t recirc_id) |
572f732a | 588 | { |
8f19f0a7 | 589 | ds_put_format(ds, "recirc(%#"PRIx32")", recirc_id); |
347bf289 | 590 | } |
572f732a | 591 | |
347bf289 AZ |
592 | static void |
593 | format_odp_hash_action(struct ds *ds, const struct ovs_action_hash *hash_act) | |
594 | { | |
595 | ds_put_format(ds, "hash("); | |
572f732a | 596 | |
347bf289 | 597 | if (hash_act->hash_alg == OVS_HASH_ALG_L4) { |
62ac1f20 | 598 | ds_put_format(ds, "hash_l4(%"PRIu32")", hash_act->hash_basis); |
347bf289 AZ |
599 | } else { |
600 | ds_put_format(ds, "Unknown hash algorithm(%"PRIu32")", | |
601 | hash_act->hash_alg); | |
602 | } | |
603 | ds_put_format(ds, ")"); | |
572f732a AZ |
604 | } |
605 | ||
e066f78f | 606 | static const void * |
370e373b | 607 | format_udp_tnl_push_header(struct ds *ds, const struct udp_header *udp) |
e066f78f | 608 | { |
8e45fe7c JG |
609 | ds_put_format(ds, "udp(src=%"PRIu16",dst=%"PRIu16",csum=0x%"PRIx16"),", |
610 | ntohs(udp->udp_src), ntohs(udp->udp_dst), | |
611 | ntohs(udp->udp_csum)); | |
e066f78f JG |
612 | |
613 | return udp + 1; | |
614 | } | |
615 | ||
a36de779 PS |
616 | static void |
617 | format_odp_tnl_push_header(struct ds *ds, struct ovs_action_push_tnl *data) | |
618 | { | |
619 | const struct eth_header *eth; | |
a36de779 | 620 | const void *l3; |
370e373b TLSC |
621 | const void *l4; |
622 | const struct udp_header *udp; | |
a36de779 PS |
623 | |
624 | eth = (const struct eth_header *)data->header; | |
625 | ||
626 | l3 = eth + 1; | |
a36de779 PS |
627 | |
628 | /* Ethernet */ | |
fd13c6b5 | 629 | ds_put_format(ds, "header(size=%"PRIu32",type=%"PRIu32",eth(dst=", |
a36de779 PS |
630 | data->header_len, data->tnl_type); |
631 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_dst)); | |
632 | ds_put_format(ds, ",src="); | |
633 | ds_put_format(ds, ETH_ADDR_FMT, ETH_ADDR_ARGS(eth->eth_src)); | |
634 | ds_put_format(ds, ",dl_type=0x%04"PRIx16"),", ntohs(eth->eth_type)); | |
635 | ||
370e373b TLSC |
636 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
637 | /* IPv4 */ | |
8568c7a5 | 638 | const struct ip_header *ip = l3; |
370e373b TLSC |
639 | ds_put_format(ds, "ipv4(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 |
640 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=0x%"PRIx16"),", | |
641 | IP_ARGS(get_16aligned_be32(&ip->ip_src)), | |
642 | IP_ARGS(get_16aligned_be32(&ip->ip_dst)), | |
643 | ip->ip_proto, ip->ip_tos, | |
644 | ip->ip_ttl, | |
fa47c114 | 645 | ntohs(ip->ip_frag_off)); |
370e373b TLSC |
646 | l4 = (ip + 1); |
647 | } else { | |
8568c7a5 BP |
648 | const struct ovs_16aligned_ip6_hdr *ip6 = l3; |
649 | struct in6_addr src, dst; | |
650 | memcpy(&src, &ip6->ip6_src, sizeof src); | |
651 | memcpy(&dst, &ip6->ip6_dst, sizeof dst); | |
652 | uint32_t ipv6_flow = ntohl(get_16aligned_be32(&ip6->ip6_flow)); | |
653 | ||
370e373b | 654 | ds_put_format(ds, "ipv6(src="); |
8568c7a5 | 655 | ipv6_format_addr(&src, ds); |
370e373b | 656 | ds_put_format(ds, ",dst="); |
8568c7a5 | 657 | ipv6_format_addr(&dst, ds); |
fd13c6b5 | 658 | ds_put_format(ds, ",label=%i,proto=%"PRIu8",tclass=0x%"PRIx32 |
370e373b | 659 | ",hlimit=%"PRIu8"),", |
8568c7a5 BP |
660 | ipv6_flow & IPV6_LABEL_MASK, ip6->ip6_nxt, |
661 | (ipv6_flow >> 20) & 0xff, ip6->ip6_hlim); | |
370e373b TLSC |
662 | l4 = (ip6 + 1); |
663 | } | |
664 | ||
665 | udp = (const struct udp_header *) l4; | |
a36de779 PS |
666 | |
667 | if (data->tnl_type == OVS_VPORT_TYPE_VXLAN) { | |
668 | const struct vxlanhdr *vxh; | |
a36de779 | 669 | |
370e373b | 670 | vxh = format_udp_tnl_push_header(ds, udp); |
a36de779 | 671 | |
a36de779 PS |
672 | ds_put_format(ds, "vxlan(flags=0x%"PRIx32",vni=0x%"PRIx32")", |
673 | ntohl(get_16aligned_be32(&vxh->vx_flags)), | |
a92a3aae | 674 | ntohl(get_16aligned_be32(&vxh->vx_vni)) >> 8); |
e5a1caee JG |
675 | } else if (data->tnl_type == OVS_VPORT_TYPE_GENEVE) { |
676 | const struct genevehdr *gnh; | |
677 | ||
370e373b | 678 | gnh = format_udp_tnl_push_header(ds, udp); |
e5a1caee | 679 | |
5bb08b0e | 680 | ds_put_format(ds, "geneve(%s%svni=0x%"PRIx32, |
e5a1caee | 681 | gnh->oam ? "oam," : "", |
5bb08b0e | 682 | gnh->critical ? "crit," : "", |
e5a1caee | 683 | ntohl(get_16aligned_be32(&gnh->vni)) >> 8); |
1fc11c59 | 684 | |
5bb08b0e JG |
685 | if (gnh->opt_len) { |
686 | ds_put_cstr(ds, ",options("); | |
687 | format_geneve_opts(gnh->options, NULL, gnh->opt_len * 4, | |
688 | ds, false); | |
689 | ds_put_char(ds, ')'); | |
690 | } | |
691 | ||
692 | ds_put_char(ds, ')'); | |
a36de779 PS |
693 | } else if (data->tnl_type == OVS_VPORT_TYPE_GRE) { |
694 | const struct gre_base_hdr *greh; | |
695 | ovs_16aligned_be32 *options; | |
a36de779 | 696 | |
a36de779 PS |
697 | greh = (const struct gre_base_hdr *) l4; |
698 | ||
699 | ds_put_format(ds, "gre((flags=0x%"PRIx16",proto=0x%"PRIx16")", | |
e8fe6ad0 | 700 | ntohs(greh->flags), ntohs(greh->protocol)); |
a36de779 PS |
701 | options = (ovs_16aligned_be32 *)(greh + 1); |
702 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 703 | ds_put_format(ds, ",csum=0x%"PRIx16, ntohs(*((ovs_be16 *)options))); |
a36de779 PS |
704 | options++; |
705 | } | |
706 | if (greh->flags & htons(GRE_KEY)) { | |
707 | ds_put_format(ds, ",key=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
708 | options++; | |
709 | } | |
710 | if (greh->flags & htons(GRE_SEQ)) { | |
711 | ds_put_format(ds, ",seq=0x%"PRIx32, ntohl(get_16aligned_be32(options))); | |
712 | options++; | |
713 | } | |
714 | ds_put_format(ds, ")"); | |
715 | } | |
716 | ds_put_format(ds, ")"); | |
717 | } | |
718 | ||
719 | static void | |
0722f341 BP |
720 | format_odp_tnl_push_action(struct ds *ds, const struct nlattr *attr, |
721 | const struct hmap *portno_names) | |
a36de779 PS |
722 | { |
723 | struct ovs_action_push_tnl *data; | |
724 | ||
725 | data = (struct ovs_action_push_tnl *) nl_attr_get(attr); | |
726 | ||
0722f341 BP |
727 | ds_put_cstr(ds, "tnl_push(tnl_port("); |
728 | odp_portno_name_format(portno_names, data->tnl_port, ds); | |
729 | ds_put_cstr(ds, "),"); | |
a36de779 | 730 | format_odp_tnl_push_header(ds, data); |
0722f341 BP |
731 | ds_put_format(ds, ",out_port("); |
732 | odp_portno_name_format(portno_names, data->out_port, ds); | |
733 | ds_put_cstr(ds, "))"); | |
a36de779 PS |
734 | } |
735 | ||
9ac0aada JR |
736 | static const struct nl_policy ovs_nat_policy[] = { |
737 | [OVS_NAT_ATTR_SRC] = { .type = NL_A_FLAG, .optional = true, }, | |
738 | [OVS_NAT_ATTR_DST] = { .type = NL_A_FLAG, .optional = true, }, | |
739 | [OVS_NAT_ATTR_IP_MIN] = { .type = NL_A_UNSPEC, .optional = true, | |
740 | .min_len = sizeof(struct in_addr), | |
741 | .max_len = sizeof(struct in6_addr)}, | |
742 | [OVS_NAT_ATTR_IP_MAX] = { .type = NL_A_UNSPEC, .optional = true, | |
743 | .min_len = sizeof(struct in_addr), | |
744 | .max_len = sizeof(struct in6_addr)}, | |
745 | [OVS_NAT_ATTR_PROTO_MIN] = { .type = NL_A_U16, .optional = true, }, | |
746 | [OVS_NAT_ATTR_PROTO_MAX] = { .type = NL_A_U16, .optional = true, }, | |
747 | [OVS_NAT_ATTR_PERSISTENT] = { .type = NL_A_FLAG, .optional = true, }, | |
748 | [OVS_NAT_ATTR_PROTO_HASH] = { .type = NL_A_FLAG, .optional = true, }, | |
749 | [OVS_NAT_ATTR_PROTO_RANDOM] = { .type = NL_A_FLAG, .optional = true, }, | |
750 | }; | |
751 | ||
752 | static void | |
753 | format_odp_ct_nat(struct ds *ds, const struct nlattr *attr) | |
754 | { | |
755 | struct nlattr *a[ARRAY_SIZE(ovs_nat_policy)]; | |
756 | size_t addr_len; | |
757 | ovs_be32 ip_min, ip_max; | |
758 | struct in6_addr ip6_min, ip6_max; | |
759 | uint16_t proto_min, proto_max; | |
760 | ||
761 | if (!nl_parse_nested(attr, ovs_nat_policy, a, ARRAY_SIZE(a))) { | |
762 | ds_put_cstr(ds, "nat(error: nl_parse_nested() failed.)"); | |
763 | return; | |
764 | } | |
765 | /* If no type, then nothing else either. */ | |
766 | if (!(a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) | |
767 | && (a[OVS_NAT_ATTR_IP_MIN] || a[OVS_NAT_ATTR_IP_MAX] | |
768 | || a[OVS_NAT_ATTR_PROTO_MIN] || a[OVS_NAT_ATTR_PROTO_MAX] | |
769 | || a[OVS_NAT_ATTR_PERSISTENT] || a[OVS_NAT_ATTR_PROTO_HASH] | |
770 | || a[OVS_NAT_ATTR_PROTO_RANDOM])) { | |
771 | ds_put_cstr(ds, "nat(error: options allowed only with \"src\" or \"dst\")"); | |
772 | return; | |
773 | } | |
774 | /* Both SNAT & DNAT may not be specified. */ | |
775 | if (a[OVS_NAT_ATTR_SRC] && a[OVS_NAT_ATTR_DST]) { | |
776 | ds_put_cstr(ds, "nat(error: Only one of \"src\" or \"dst\" may be present.)"); | |
777 | return; | |
778 | } | |
779 | /* proto may not appear without ip. */ | |
780 | if (!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_PROTO_MIN]) { | |
781 | ds_put_cstr(ds, "nat(error: proto but no IP.)"); | |
782 | return; | |
783 | } | |
784 | /* MAX may not appear without MIN. */ | |
785 | if ((!a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX]) | |
786 | || (!a[OVS_NAT_ATTR_PROTO_MIN] && a[OVS_NAT_ATTR_PROTO_MAX])) { | |
787 | ds_put_cstr(ds, "nat(error: range max without min.)"); | |
788 | return; | |
789 | } | |
790 | /* Address sizes must match. */ | |
791 | if ((a[OVS_NAT_ATTR_IP_MIN] | |
792 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(ovs_be32) && | |
793 | nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) != sizeof(struct in6_addr))) | |
794 | || (a[OVS_NAT_ATTR_IP_MIN] && a[OVS_NAT_ATTR_IP_MAX] | |
795 | && (nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) | |
796 | != nl_attr_get_size(a[OVS_NAT_ATTR_IP_MAX])))) { | |
797 | ds_put_cstr(ds, "nat(error: IP address sizes do not match)"); | |
798 | return; | |
799 | } | |
800 | ||
801 | addr_len = a[OVS_NAT_ATTR_IP_MIN] | |
802 | ? nl_attr_get_size(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
803 | ip_min = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MIN] | |
804 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MIN]) : 0; | |
805 | ip_max = addr_len == sizeof(ovs_be32) && a[OVS_NAT_ATTR_IP_MAX] | |
806 | ? nl_attr_get_be32(a[OVS_NAT_ATTR_IP_MAX]) : 0; | |
807 | if (addr_len == sizeof ip6_min) { | |
808 | ip6_min = a[OVS_NAT_ATTR_IP_MIN] | |
809 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MIN]) | |
810 | : in6addr_any; | |
811 | ip6_max = a[OVS_NAT_ATTR_IP_MAX] | |
812 | ? *(struct in6_addr *)nl_attr_get(a[OVS_NAT_ATTR_IP_MAX]) | |
813 | : in6addr_any; | |
814 | } | |
815 | proto_min = a[OVS_NAT_ATTR_PROTO_MIN] | |
816 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MIN]) : 0; | |
817 | proto_max = a[OVS_NAT_ATTR_PROTO_MAX] | |
818 | ? nl_attr_get_u16(a[OVS_NAT_ATTR_PROTO_MAX]) : 0; | |
819 | ||
820 | if ((addr_len == sizeof(ovs_be32) | |
821 | && ip_max && ntohl(ip_min) > ntohl(ip_max)) | |
822 | || (addr_len == sizeof(struct in6_addr) | |
823 | && !ipv6_mask_is_any(&ip6_max) | |
824 | && memcmp(&ip6_min, &ip6_max, sizeof ip6_min) > 0) | |
825 | || (proto_max && proto_min > proto_max)) { | |
826 | ds_put_cstr(ds, "nat(range error)"); | |
827 | return; | |
828 | } | |
829 | ||
830 | ds_put_cstr(ds, "nat"); | |
831 | if (a[OVS_NAT_ATTR_SRC] || a[OVS_NAT_ATTR_DST]) { | |
832 | ds_put_char(ds, '('); | |
833 | if (a[OVS_NAT_ATTR_SRC]) { | |
834 | ds_put_cstr(ds, "src"); | |
835 | } else if (a[OVS_NAT_ATTR_DST]) { | |
836 | ds_put_cstr(ds, "dst"); | |
837 | } | |
838 | ||
839 | if (addr_len > 0) { | |
840 | ds_put_cstr(ds, "="); | |
841 | ||
842 | if (addr_len == sizeof ip_min) { | |
843 | ds_put_format(ds, IP_FMT, IP_ARGS(ip_min)); | |
844 | ||
845 | if (ip_max && ip_max != ip_min) { | |
846 | ds_put_format(ds, "-"IP_FMT, IP_ARGS(ip_max)); | |
847 | } | |
848 | } else if (addr_len == sizeof ip6_min) { | |
849 | ipv6_format_addr_bracket(&ip6_min, ds, proto_min); | |
850 | ||
851 | if (!ipv6_mask_is_any(&ip6_max) && | |
852 | memcmp(&ip6_max, &ip6_min, sizeof ip6_max) != 0) { | |
853 | ds_put_char(ds, '-'); | |
854 | ipv6_format_addr_bracket(&ip6_max, ds, proto_min); | |
855 | } | |
856 | } | |
857 | if (proto_min) { | |
858 | ds_put_format(ds, ":%"PRIu16, proto_min); | |
859 | ||
860 | if (proto_max && proto_max != proto_min) { | |
861 | ds_put_format(ds, "-%"PRIu16, proto_max); | |
862 | } | |
863 | } | |
864 | } | |
865 | ds_put_char(ds, ','); | |
866 | if (a[OVS_NAT_ATTR_PERSISTENT]) { | |
867 | ds_put_cstr(ds, "persistent,"); | |
868 | } | |
869 | if (a[OVS_NAT_ATTR_PROTO_HASH]) { | |
870 | ds_put_cstr(ds, "hash,"); | |
871 | } | |
872 | if (a[OVS_NAT_ATTR_PROTO_RANDOM]) { | |
873 | ds_put_cstr(ds, "random,"); | |
874 | } | |
875 | ds_chomp(ds, ','); | |
876 | ds_put_char(ds, ')'); | |
877 | } | |
878 | } | |
879 | ||
07659514 JS |
880 | static const struct nl_policy ovs_conntrack_policy[] = { |
881 | [OVS_CT_ATTR_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, | |
a76a37ef | 882 | [OVS_CT_ATTR_FORCE_COMMIT] = { .type = NL_A_FLAG, .optional = true, }, |
07659514 | 883 | [OVS_CT_ATTR_ZONE] = { .type = NL_A_U16, .optional = true, }, |
8e53fe8c JS |
884 | [OVS_CT_ATTR_MARK] = { .type = NL_A_UNSPEC, .optional = true, |
885 | .min_len = sizeof(uint32_t) * 2 }, | |
9daf2348 JS |
886 | [OVS_CT_ATTR_LABELS] = { .type = NL_A_UNSPEC, .optional = true, |
887 | .min_len = sizeof(struct ovs_key_ct_labels) * 2 }, | |
d787ad39 JS |
888 | [OVS_CT_ATTR_HELPER] = { .type = NL_A_STRING, .optional = true, |
889 | .min_len = 1, .max_len = 16 }, | |
9ac0aada | 890 | [OVS_CT_ATTR_NAT] = { .type = NL_A_UNSPEC, .optional = true }, |
07659514 JS |
891 | }; |
892 | ||
893 | static void | |
894 | format_odp_conntrack_action(struct ds *ds, const struct nlattr *attr) | |
895 | { | |
896 | struct nlattr *a[ARRAY_SIZE(ovs_conntrack_policy)]; | |
89cf41ec BP |
897 | const struct { |
898 | ovs_32aligned_u128 value; | |
899 | ovs_32aligned_u128 mask; | |
900 | } *label; | |
8e53fe8c | 901 | const uint32_t *mark; |
d787ad39 | 902 | const char *helper; |
07659514 | 903 | uint16_t zone; |
a76a37ef | 904 | bool commit, force; |
9ac0aada | 905 | const struct nlattr *nat; |
07659514 JS |
906 | |
907 | if (!nl_parse_nested(attr, ovs_conntrack_policy, a, ARRAY_SIZE(a))) { | |
908 | ds_put_cstr(ds, "ct(error)"); | |
909 | return; | |
910 | } | |
911 | ||
912 | commit = a[OVS_CT_ATTR_COMMIT] ? true : false; | |
a76a37ef | 913 | force = a[OVS_CT_ATTR_FORCE_COMMIT] ? true : false; |
07659514 | 914 | zone = a[OVS_CT_ATTR_ZONE] ? nl_attr_get_u16(a[OVS_CT_ATTR_ZONE]) : 0; |
8e53fe8c | 915 | mark = a[OVS_CT_ATTR_MARK] ? nl_attr_get(a[OVS_CT_ATTR_MARK]) : NULL; |
9daf2348 | 916 | label = a[OVS_CT_ATTR_LABELS] ? nl_attr_get(a[OVS_CT_ATTR_LABELS]): NULL; |
d787ad39 | 917 | helper = a[OVS_CT_ATTR_HELPER] ? nl_attr_get(a[OVS_CT_ATTR_HELPER]) : NULL; |
9ac0aada | 918 | nat = a[OVS_CT_ATTR_NAT]; |
07659514 JS |
919 | |
920 | ds_put_format(ds, "ct"); | |
a76a37ef | 921 | if (commit || force || zone || mark || label || helper || nat) { |
07659514 JS |
922 | ds_put_cstr(ds, "("); |
923 | if (commit) { | |
924 | ds_put_format(ds, "commit,"); | |
925 | } | |
a76a37ef JR |
926 | if (force) { |
927 | ds_put_format(ds, "force_commit,"); | |
928 | } | |
07659514 JS |
929 | if (zone) { |
930 | ds_put_format(ds, "zone=%"PRIu16",", zone); | |
931 | } | |
8e53fe8c JS |
932 | if (mark) { |
933 | ds_put_format(ds, "mark=%#"PRIx32"/%#"PRIx32",", *mark, | |
934 | *(mark + 1)); | |
935 | } | |
9daf2348 JS |
936 | if (label) { |
937 | ds_put_format(ds, "label="); | |
89cf41ec | 938 | format_u128(ds, &label->value, &label->mask, true); |
121cf327 | 939 | ds_put_char(ds, ','); |
9daf2348 | 940 | } |
d787ad39 JS |
941 | if (helper) { |
942 | ds_put_format(ds, "helper=%s,", helper); | |
943 | } | |
9ac0aada JR |
944 | if (nat) { |
945 | format_odp_ct_nat(ds, nat); | |
946 | } | |
07659514 JS |
947 | ds_chomp(ds, ','); |
948 | ds_put_cstr(ds, ")"); | |
949 | } | |
950 | } | |
951 | ||
81fdabb9 YY |
952 | static const struct attr_len_tbl |
953 | ovs_nsh_key_attr_lens[OVS_NSH_KEY_ATTR_MAX + 1] = { | |
954 | [OVS_NSH_KEY_ATTR_BASE] = { .len = 8 }, | |
955 | [OVS_NSH_KEY_ATTR_MD1] = { .len = 16 }, | |
956 | [OVS_NSH_KEY_ATTR_MD2] = { .len = ATTR_LEN_VARIABLE }, | |
957 | }; | |
958 | ||
959 | static void | |
960 | format_odp_set_nsh(struct ds *ds, const struct nlattr *attr) | |
961 | { | |
962 | unsigned int left; | |
963 | const struct nlattr *a; | |
964 | struct ovs_key_nsh nsh; | |
965 | struct ovs_key_nsh nsh_mask; | |
966 | ||
967 | memset(&nsh, 0, sizeof nsh); | |
968 | memset(&nsh_mask, 0xff, sizeof nsh_mask); | |
969 | ||
970 | NL_NESTED_FOR_EACH (a, left, attr) { | |
971 | enum ovs_nsh_key_attr type = nl_attr_type(a); | |
972 | size_t len = nl_attr_get_size(a); | |
973 | ||
974 | if (type >= OVS_NSH_KEY_ATTR_MAX) { | |
975 | return; | |
976 | } | |
977 | ||
978 | int expected_len = ovs_nsh_key_attr_lens[type].len; | |
979 | if ((expected_len != ATTR_LEN_VARIABLE) && (len != 2 * expected_len)) { | |
980 | return; | |
981 | } | |
982 | ||
983 | switch (type) { | |
984 | case OVS_NSH_KEY_ATTR_UNSPEC: | |
985 | break; | |
986 | case OVS_NSH_KEY_ATTR_BASE: { | |
987 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
988 | const struct ovs_nsh_key_base *base_mask = base + 1; | |
989 | memcpy(&nsh, base, sizeof(*base)); | |
990 | memcpy(&nsh_mask, base_mask, sizeof(*base_mask)); | |
991 | break; | |
992 | } | |
993 | case OVS_NSH_KEY_ATTR_MD1: { | |
994 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
995 | const struct ovs_nsh_key_md1 *md1_mask = md1 + 1; | |
996 | memcpy(&nsh.context, &md1->context, sizeof(*md1)); | |
997 | memcpy(&nsh_mask.context, &md1_mask->context, sizeof(*md1_mask)); | |
998 | break; | |
999 | } | |
1000 | case OVS_NSH_KEY_ATTR_MD2: | |
1001 | case __OVS_NSH_KEY_ATTR_MAX: | |
1002 | default: | |
1003 | /* No support for matching other metadata formats yet. */ | |
1004 | break; | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | ds_put_cstr(ds, "set(nsh("); | |
1009 | format_nsh_key_mask(ds, &nsh, &nsh_mask); | |
1010 | ds_put_cstr(ds, "))"); | |
1011 | } | |
1012 | ||
1013 | ||
4edb9ae9 | 1014 | static void |
0722f341 BP |
1015 | format_odp_action(struct ds *ds, const struct nlattr *a, |
1016 | const struct hmap *portno_names) | |
064af421 | 1017 | { |
98403001 | 1018 | int expected_len; |
4edb9ae9 | 1019 | enum ovs_action_attr type = nl_attr_type(a); |
6d670e7f | 1020 | size_t size; |
cdee00fd | 1021 | |
98403001 | 1022 | expected_len = odp_action_len(nl_attr_type(a)); |
6b8da9e9 JG |
1023 | if (expected_len != ATTR_LEN_VARIABLE && |
1024 | nl_attr_get_size(a) != expected_len) { | |
34582733 | 1025 | ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ", |
98403001 | 1026 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
1027 | format_generic_odp_action(ds, a); |
1028 | return; | |
1029 | } | |
1030 | ||
4edb9ae9 | 1031 | switch (type) { |
5dddf960 JR |
1032 | case OVS_ACTION_ATTR_METER: |
1033 | ds_put_format(ds, "meter(%"PRIu32")", nl_attr_get_u32(a)); | |
1034 | break; | |
df2c07f4 | 1035 | case OVS_ACTION_ATTR_OUTPUT: |
0722f341 | 1036 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); |
064af421 | 1037 | break; |
aaca4fe0 WT |
1038 | case OVS_ACTION_ATTR_TRUNC: { |
1039 | const struct ovs_action_trunc *trunc = | |
1040 | nl_attr_get_unspec(a, sizeof *trunc); | |
1041 | ||
1042 | ds_put_format(ds, "trunc(%"PRIu32")", trunc->max_len); | |
1043 | break; | |
1044 | } | |
a36de779 | 1045 | case OVS_ACTION_ATTR_TUNNEL_POP: |
0722f341 BP |
1046 | ds_put_cstr(ds, "tnl_pop("); |
1047 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
1048 | ds_put_char(ds, ')'); | |
a36de779 PS |
1049 | break; |
1050 | case OVS_ACTION_ATTR_TUNNEL_PUSH: | |
0722f341 | 1051 | format_odp_tnl_push_action(ds, a, portno_names); |
a36de779 | 1052 | break; |
df2c07f4 | 1053 | case OVS_ACTION_ATTR_USERSPACE: |
0722f341 | 1054 | format_odp_userspace_action(ds, a, portno_names); |
064af421 | 1055 | break; |
572f732a | 1056 | case OVS_ACTION_ATTR_RECIRC: |
347bf289 AZ |
1057 | format_odp_recirc_action(ds, nl_attr_get_u32(a)); |
1058 | break; | |
1059 | case OVS_ACTION_ATTR_HASH: | |
1060 | format_odp_hash_action(ds, nl_attr_get(a)); | |
572f732a | 1061 | break; |
6d670e7f JR |
1062 | case OVS_ACTION_ATTR_SET_MASKED: |
1063 | a = nl_attr_get(a); | |
81fdabb9 YY |
1064 | /* OVS_KEY_ATTR_NSH is nested attribute, so it needs special process */ |
1065 | if (nl_attr_type(a) == OVS_KEY_ATTR_NSH) { | |
1066 | format_odp_set_nsh(ds, a); | |
1067 | break; | |
1068 | } | |
6d670e7f JR |
1069 | size = nl_attr_get_size(a) / 2; |
1070 | ds_put_cstr(ds, "set("); | |
1071 | ||
1072 | /* Masked set action not supported for tunnel key, which is bigger. */ | |
1073 | if (size <= sizeof(struct ovs_key_ipv6)) { | |
1074 | struct nlattr attr[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
1075 | sizeof(struct nlattr))]; | |
1076 | struct nlattr mask[1 + DIV_ROUND_UP(sizeof(struct ovs_key_ipv6), | |
1077 | sizeof(struct nlattr))]; | |
1078 | ||
1079 | mask->nla_type = attr->nla_type = nl_attr_type(a); | |
1080 | mask->nla_len = attr->nla_len = NLA_HDRLEN + size; | |
1081 | memcpy(attr + 1, (char *)(a + 1), size); | |
1082 | memcpy(mask + 1, (char *)(a + 1) + size, size); | |
2d18eae8 | 1083 | format_odp_key_attr(attr, mask, NULL, ds, false); |
6d670e7f | 1084 | } else { |
2d18eae8 | 1085 | format_odp_key_attr(a, NULL, NULL, ds, false); |
6d670e7f JR |
1086 | } |
1087 | ds_put_cstr(ds, ")"); | |
1088 | break; | |
4edb9ae9 PS |
1089 | case OVS_ACTION_ATTR_SET: |
1090 | ds_put_cstr(ds, "set("); | |
0a37839c | 1091 | format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true); |
4edb9ae9 | 1092 | ds_put_cstr(ds, ")"); |
6fcecb85 YY |
1093 | break; |
1094 | case OVS_ACTION_ATTR_PUSH_ETH: { | |
1095 | const struct ovs_action_push_eth *eth = nl_attr_get(a); | |
1096 | ds_put_format(ds, "push_eth(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")", | |
1097 | ETH_ADDR_ARGS(eth->addresses.eth_src), | |
1098 | ETH_ADDR_ARGS(eth->addresses.eth_dst)); | |
1099 | break; | |
1100 | } | |
1101 | case OVS_ACTION_ATTR_POP_ETH: | |
1102 | ds_put_cstr(ds, "pop_eth"); | |
064af421 | 1103 | break; |
66026437 SH |
1104 | case OVS_ACTION_ATTR_PUSH_VLAN: { |
1105 | const struct ovs_action_push_vlan *vlan = nl_attr_get(a); | |
fea393b1 BP |
1106 | ds_put_cstr(ds, "push_vlan("); |
1107 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
1108 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
1109 | } | |
2d18eae8 | 1110 | format_vlan_tci(ds, vlan->vlan_tci, OVS_BE16_MAX, false); |
8ddc056d | 1111 | ds_put_char(ds, ')'); |
064af421 | 1112 | break; |
66026437 | 1113 | } |
fea393b1 BP |
1114 | case OVS_ACTION_ATTR_POP_VLAN: |
1115 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 1116 | break; |
b02475c5 SH |
1117 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
1118 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
1119 | ds_put_cstr(ds, "push_mpls("); | |
1120 | format_mpls_lse(ds, mpls->mpls_lse); | |
1121 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
1122 | break; | |
1123 | } | |
1124 | case OVS_ACTION_ATTR_POP_MPLS: { | |
1125 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
1126 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
1127 | break; | |
1128 | } | |
6ff686f2 | 1129 | case OVS_ACTION_ATTR_SAMPLE: |
0722f341 | 1130 | format_odp_sample_action(ds, a, portno_names); |
6ff686f2 | 1131 | break; |
07659514 JS |
1132 | case OVS_ACTION_ATTR_CT: |
1133 | format_odp_conntrack_action(ds, a); | |
1134 | break; | |
1fe178d2 EG |
1135 | case OVS_ACTION_ATTR_CT_CLEAR: |
1136 | ds_put_cstr(ds, "ct_clear"); | |
1137 | break; | |
535e3acf | 1138 | case OVS_ACTION_ATTR_CLONE: |
0722f341 | 1139 | format_odp_clone_action(ds, a, portno_names); |
535e3acf | 1140 | break; |
f59cb331 YY |
1141 | case OVS_ACTION_ATTR_PUSH_NSH: { |
1142 | uint32_t buffer[NSH_HDR_MAX_LEN / 4]; | |
1143 | struct nsh_hdr *nsh_hdr = ALIGNED_CAST(struct nsh_hdr *, buffer); | |
1144 | nsh_reset_ver_flags_ttl_len(nsh_hdr); | |
1145 | odp_nsh_hdr_from_attr(nl_attr_get(a), nsh_hdr, NSH_HDR_MAX_LEN); | |
1146 | format_odp_push_nsh_action(ds, nsh_hdr); | |
1fc11c59 | 1147 | break; |
f59cb331 YY |
1148 | } |
1149 | case OVS_ACTION_ATTR_POP_NSH: | |
1150 | ds_put_cstr(ds, "pop_nsh()"); | |
1fc11c59 | 1151 | break; |
4edb9ae9 PS |
1152 | case OVS_ACTION_ATTR_UNSPEC: |
1153 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 1154 | default: |
cdee00fd | 1155 | format_generic_odp_action(ds, a); |
064af421 BP |
1156 | break; |
1157 | } | |
1158 | } | |
1159 | ||
1160 | void | |
cdee00fd | 1161 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
0722f341 | 1162 | size_t actions_len, const struct hmap *portno_names) |
064af421 | 1163 | { |
cdee00fd BP |
1164 | if (actions_len) { |
1165 | const struct nlattr *a; | |
1166 | unsigned int left; | |
1167 | ||
1168 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
1169 | if (a != actions) { | |
1170 | ds_put_char(ds, ','); | |
1171 | } | |
0722f341 | 1172 | format_odp_action(ds, a, portno_names); |
064af421 | 1173 | } |
cdee00fd | 1174 | if (left) { |
3a8cfc50 BP |
1175 | int i; |
1176 | ||
3476fce3 BP |
1177 | if (left == actions_len) { |
1178 | ds_put_cstr(ds, "<empty>"); | |
1179 | } | |
3a8cfc50 BP |
1180 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
1181 | for (i = 0; i < left; i++) { | |
1182 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
1183 | } | |
1184 | ds_put_char(ds, ')'); | |
cdee00fd BP |
1185 | } |
1186 | } else { | |
064af421 BP |
1187 | ds_put_cstr(ds, "drop"); |
1188 | } | |
1189 | } | |
7202cbe5 | 1190 | |
8b7ea2d4 | 1191 | /* Separate out parse_odp_userspace_action() function. */ |
7202cbe5 | 1192 | static int |
8b7ea2d4 | 1193 | parse_odp_userspace_action(const char *s, struct ofpbuf *actions) |
7202cbe5 | 1194 | { |
8b7ea2d4 | 1195 | uint32_t pid; |
8de6ff3e | 1196 | struct user_action_cookie cookie; |
8b7ea2d4 WZ |
1197 | struct ofpbuf buf; |
1198 | odp_port_t tunnel_out_port; | |
1199 | int n = -1; | |
1200 | void *user_data = NULL; | |
1201 | size_t user_data_size = 0; | |
7321bda3 | 1202 | bool include_actions = false; |
9d4e54c6 | 1203 | int res; |
8b7ea2d4 WZ |
1204 | |
1205 | if (!ovs_scan(s, "userspace(pid=%"SCNi32"%n", &pid, &n)) { | |
1206 | return -EINVAL; | |
7202cbe5 BP |
1207 | } |
1208 | ||
9d4e54c6 | 1209 | ofpbuf_init(&buf, 16); |
8de6ff3e | 1210 | memset(&cookie, 0, sizeof cookie); |
9d4e54c6 | 1211 | |
8de6ff3e JP |
1212 | user_data = &cookie; |
1213 | user_data_size = sizeof cookie; | |
7202cbe5 | 1214 | { |
c2c28dfd BP |
1215 | uint32_t output; |
1216 | uint32_t probability; | |
1217 | uint32_t collector_set_id; | |
1218 | uint32_t obs_domain_id; | |
1219 | uint32_t obs_point_id; | |
d39ec23d JP |
1220 | |
1221 | /* USER_ACTION_COOKIE_CONTROLLER. */ | |
1222 | uint8_t dont_send; | |
74c4530d | 1223 | uint8_t continuation; |
d39ec23d JP |
1224 | uint16_t reason; |
1225 | uint32_t recirc_id; | |
ab53fe8d | 1226 | uint64_t rule_cookie; |
d39ec23d JP |
1227 | uint16_t controller_id; |
1228 | uint16_t max_len; | |
1229 | ||
7202cbe5 | 1230 | int vid, pcp; |
8b7ea2d4 WZ |
1231 | int n1 = -1; |
1232 | if (ovs_scan(&s[n], ",sFlow(vid=%i," | |
1233 | "pcp=%i,output=%"SCNi32")%n", | |
1234 | &vid, &pcp, &output, &n1)) { | |
7202cbe5 BP |
1235 | uint16_t tci; |
1236 | ||
8b7ea2d4 | 1237 | n += n1; |
7202cbe5 BP |
1238 | tci = vid | (pcp << VLAN_PCP_SHIFT); |
1239 | if (tci) { | |
1240 | tci |= VLAN_CFI; | |
1241 | } | |
1242 | ||
1243 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
fcb9579b JP |
1244 | cookie.ofp_in_port = OFPP_NONE; |
1245 | cookie.ofproto_uuid = UUID_ZERO; | |
1673e0e4 BP |
1246 | cookie.sflow.vlan_tci = htons(tci); |
1247 | cookie.sflow.output = output; | |
2d18eae8 | 1248 | } else if (ovs_scan(&s[n], ",slow_path(%n", |
8b7ea2d4 | 1249 | &n1)) { |
8b7ea2d4 | 1250 | n += n1; |
6a7e895f | 1251 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; |
fcb9579b JP |
1252 | cookie.ofp_in_port = OFPP_NONE; |
1253 | cookie.ofproto_uuid = UUID_ZERO; | |
04594cd5 | 1254 | cookie.slow_path.reason = 0; |
6a7e895f | 1255 | |
8e4c1621 JG |
1256 | res = parse_odp_flags(&s[n], slow_path_reason_to_string, |
1257 | &cookie.slow_path.reason, | |
1258 | SLOW_PATH_REASON_MASK, NULL); | |
2d18eae8 | 1259 | if (res < 0 || s[n + res] != ')') { |
9d4e54c6 | 1260 | goto out; |
04594cd5 | 1261 | } |
2d18eae8 | 1262 | n += res + 1; |
8b7ea2d4 | 1263 | } else if (ovs_scan(&s[n], ",flow_sample(probability=%"SCNi32"," |
c2c28dfd BP |
1264 | "collector_set_id=%"SCNi32"," |
1265 | "obs_domain_id=%"SCNi32"," | |
f69f713b | 1266 | "obs_point_id=%"SCNi32"," |
4930ea56 | 1267 | "output_port=%"SCNi32"%n", |
8b7ea2d4 | 1268 | &probability, &collector_set_id, |
f69f713b BY |
1269 | &obs_domain_id, &obs_point_id, |
1270 | &output, &n1)) { | |
8b7ea2d4 | 1271 | n += n1; |
29089a54 RL |
1272 | |
1273 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
fcb9579b JP |
1274 | cookie.ofp_in_port = OFPP_NONE; |
1275 | cookie.ofproto_uuid = UUID_ZERO; | |
29089a54 RL |
1276 | cookie.flow_sample.probability = probability; |
1277 | cookie.flow_sample.collector_set_id = collector_set_id; | |
1278 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
1279 | cookie.flow_sample.obs_point_id = obs_point_id; | |
f69f713b | 1280 | cookie.flow_sample.output_odp_port = u32_to_odp(output); |
4930ea56 BP |
1281 | |
1282 | if (ovs_scan(&s[n], ",ingress%n", &n1)) { | |
1283 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_INGRESS; | |
1284 | n += n1; | |
1285 | } else if (ovs_scan(&s[n], ",egress%n", &n1)) { | |
1286 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_EGRESS; | |
1287 | n += n1; | |
1288 | } else { | |
1289 | cookie.flow_sample.direction = NX_ACTION_SAMPLE_DEFAULT; | |
1290 | } | |
1291 | if (s[n] != ')') { | |
1292 | res = -EINVAL; | |
1293 | goto out; | |
1294 | } | |
1295 | n++; | |
8b7ea2d4 WZ |
1296 | } else if (ovs_scan(&s[n], ",ipfix(output_port=%"SCNi32")%n", |
1297 | &output, &n1) ) { | |
1298 | n += n1; | |
29089a54 | 1299 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
fcb9579b JP |
1300 | cookie.ofp_in_port = OFPP_NONE; |
1301 | cookie.ofproto_uuid = UUID_ZERO; | |
8b7ea2d4 | 1302 | cookie.ipfix.output_odp_port = u32_to_odp(output); |
d39ec23d JP |
1303 | } else if (ovs_scan(&s[n], ",controller(reason=%"SCNu16 |
1304 | ",dont_send=%"SCNu8 | |
74c4530d | 1305 | ",continuation=%"SCNu8 |
d39ec23d JP |
1306 | ",recirc_id=%"SCNu32 |
1307 | ",rule_cookie=%"SCNx64 | |
1308 | ",controller_id=%"SCNu16 | |
1309 | ",max_len=%"SCNu16")%n", | |
74c4530d JP |
1310 | &reason, &dont_send, &continuation, &recirc_id, |
1311 | &rule_cookie, &controller_id, &max_len, &n1)) { | |
d39ec23d JP |
1312 | n += n1; |
1313 | cookie.type = USER_ACTION_COOKIE_CONTROLLER; | |
1314 | cookie.ofp_in_port = OFPP_NONE; | |
1315 | cookie.ofproto_uuid = UUID_ZERO; | |
1316 | cookie.controller.dont_send = dont_send ? true : false; | |
74c4530d | 1317 | cookie.controller.continuation = continuation ? true : false; |
d39ec23d JP |
1318 | cookie.controller.reason = reason; |
1319 | cookie.controller.recirc_id = recirc_id; | |
1320 | put_32aligned_be64(&cookie.controller.rule_cookie, | |
1321 | htonll(rule_cookie)); | |
1322 | cookie.controller.controller_id = controller_id; | |
1323 | cookie.controller.max_len = max_len; | |
1324 | } else if (ovs_scan(&s[n], ",userdata(%n", &n1)) { | |
e995e3df BP |
1325 | char *end; |
1326 | ||
8b7ea2d4 | 1327 | n += n1; |
e995e3df | 1328 | end = ofpbuf_put_hex(&buf, &s[n], NULL); |
8b7ea2d4 | 1329 | if (end[0] != ')') { |
9d4e54c6 WT |
1330 | res = -EINVAL; |
1331 | goto out; | |
e995e3df | 1332 | } |
6fd6ed71 PS |
1333 | user_data = buf.data; |
1334 | user_data_size = buf.size; | |
8b7ea2d4 WZ |
1335 | n = (end + 1) - s; |
1336 | } | |
1337 | } | |
1338 | ||
7321bda3 NM |
1339 | { |
1340 | int n1 = -1; | |
1341 | if (ovs_scan(&s[n], ",actions%n", &n1)) { | |
1342 | n += n1; | |
1343 | include_actions = true; | |
1344 | } | |
1345 | } | |
1346 | ||
8b7ea2d4 WZ |
1347 | { |
1348 | int n1 = -1; | |
1349 | if (ovs_scan(&s[n], ",tunnel_out_port=%"SCNi32")%n", | |
1350 | &tunnel_out_port, &n1)) { | |
7321bda3 NM |
1351 | odp_put_userspace_action(pid, user_data, user_data_size, |
1352 | tunnel_out_port, include_actions, actions); | |
9d4e54c6 | 1353 | res = n + n1; |
88fc5281 | 1354 | goto out; |
8b7ea2d4 | 1355 | } else if (s[n] == ')') { |
7321bda3 NM |
1356 | odp_put_userspace_action(pid, user_data, user_data_size, |
1357 | ODPP_NONE, include_actions, actions); | |
9d4e54c6 | 1358 | res = n + 1; |
88fc5281 JS |
1359 | goto out; |
1360 | } | |
1361 | } | |
1362 | ||
1363 | { | |
1364 | struct ovs_action_push_eth push; | |
1365 | int eth_type = 0; | |
1366 | int n1 = -1; | |
1367 | ||
1368 | if (ovs_scan(&s[n], "push_eth(src="ETH_ADDR_SCAN_FMT"," | |
1369 | "dst="ETH_ADDR_SCAN_FMT",type=%i)%n", | |
1370 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_src), | |
1371 | ETH_ADDR_SCAN_ARGS(push.addresses.eth_dst), | |
1372 | ð_type, &n1)) { | |
1373 | ||
1374 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_ETH, | |
1375 | &push, sizeof push); | |
1376 | ||
1377 | res = n + n1; | |
1378 | goto out; | |
8b7ea2d4 WZ |
1379 | } |
1380 | } | |
88fc5281 JS |
1381 | |
1382 | if (!strncmp(&s[n], "pop_eth", 7)) { | |
1383 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_ETH); | |
1384 | res = 7; | |
1385 | goto out; | |
1386 | } | |
1387 | ||
1388 | res = -EINVAL; | |
9d4e54c6 WT |
1389 | out: |
1390 | ofpbuf_uninit(&buf); | |
1391 | return res; | |
8b7ea2d4 WZ |
1392 | } |
1393 | ||
a36de779 PS |
1394 | static int |
1395 | ovs_parse_tnl_push(const char *s, struct ovs_action_push_tnl *data) | |
1396 | { | |
1397 | struct eth_header *eth; | |
1398 | struct ip_header *ip; | |
370e373b | 1399 | struct ovs_16aligned_ip6_hdr *ip6; |
a36de779 PS |
1400 | struct udp_header *udp; |
1401 | struct gre_base_hdr *greh; | |
e8fe6ad0 | 1402 | uint16_t gre_proto, gre_flags, dl_type, udp_src, udp_dst, csum; |
a36de779 | 1403 | ovs_be32 sip, dip; |
370e373b | 1404 | uint32_t tnl_type = 0, header_len = 0, ip_len = 0; |
a36de779 PS |
1405 | void *l3, *l4; |
1406 | int n = 0; | |
1407 | ||
1408 | if (!ovs_scan_len(s, &n, "tnl_push(tnl_port(%"SCNi32"),", &data->tnl_port)) { | |
1409 | return -EINVAL; | |
1410 | } | |
1411 | eth = (struct eth_header *) data->header; | |
1620b7ea | 1412 | l3 = (struct ip_header *) (eth + 1); |
a36de779 | 1413 | ip = (struct ip_header *) l3; |
370e373b | 1414 | ip6 = (struct ovs_16aligned_ip6_hdr *) l3; |
a36de779 | 1415 | if (!ovs_scan_len(s, &n, "header(size=%"SCNi32",type=%"SCNi32"," |
9ac0aada JR |
1416 | "eth(dst="ETH_ADDR_SCAN_FMT",", |
1417 | &data->header_len, | |
1418 | &data->tnl_type, | |
1419 | ETH_ADDR_SCAN_ARGS(eth->eth_dst))) { | |
a36de779 PS |
1420 | return -EINVAL; |
1421 | } | |
1422 | ||
1423 | if (!ovs_scan_len(s, &n, "src="ETH_ADDR_SCAN_FMT",", | |
9ac0aada | 1424 | ETH_ADDR_SCAN_ARGS(eth->eth_src))) { |
a36de779 PS |
1425 | return -EINVAL; |
1426 | } | |
1427 | if (!ovs_scan_len(s, &n, "dl_type=0x%"SCNx16"),", &dl_type)) { | |
1428 | return -EINVAL; | |
1429 | } | |
1430 | eth->eth_type = htons(dl_type); | |
1431 | ||
370e373b TLSC |
1432 | if (eth->eth_type == htons(ETH_TYPE_IP)) { |
1433 | /* IPv4 */ | |
fa47c114 | 1434 | uint16_t ip_frag_off; |
370e373b TLSC |
1435 | if (!ovs_scan_len(s, &n, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT",proto=%"SCNi8 |
1436 | ",tos=%"SCNi8",ttl=%"SCNi8",frag=0x%"SCNx16"),", | |
1437 | IP_SCAN_ARGS(&sip), | |
1438 | IP_SCAN_ARGS(&dip), | |
1439 | &ip->ip_proto, &ip->ip_tos, | |
fa47c114 | 1440 | &ip->ip_ttl, &ip_frag_off)) { |
370e373b TLSC |
1441 | return -EINVAL; |
1442 | } | |
1443 | put_16aligned_be32(&ip->ip_src, sip); | |
1444 | put_16aligned_be32(&ip->ip_dst, dip); | |
fa47c114 | 1445 | ip->ip_frag_off = htons(ip_frag_off); |
370e373b TLSC |
1446 | ip_len = sizeof *ip; |
1447 | } else { | |
1448 | char sip6_s[IPV6_SCAN_LEN + 1]; | |
1449 | char dip6_s[IPV6_SCAN_LEN + 1]; | |
1450 | struct in6_addr sip6, dip6; | |
1451 | uint8_t tclass; | |
1452 | uint32_t label; | |
1453 | if (!ovs_scan_len(s, &n, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT | |
1454 | ",label=%i,proto=%"SCNi8",tclass=0x%"SCNx8 | |
1455 | ",hlimit=%"SCNi8"),", | |
1456 | sip6_s, dip6_s, &label, &ip6->ip6_nxt, | |
1457 | &tclass, &ip6->ip6_hlim) | |
1458 | || (label & ~IPV6_LABEL_MASK) != 0 | |
1459 | || inet_pton(AF_INET6, sip6_s, &sip6) != 1 | |
1460 | || inet_pton(AF_INET6, dip6_s, &dip6) != 1) { | |
1461 | return -EINVAL; | |
1462 | } | |
1463 | put_16aligned_be32(&ip6->ip6_flow, htonl(6 << 28) | | |
1464 | htonl(tclass << 20) | htonl(label)); | |
1465 | memcpy(&ip6->ip6_src, &sip6, sizeof(ip6->ip6_src)); | |
1466 | memcpy(&ip6->ip6_dst, &dip6, sizeof(ip6->ip6_dst)); | |
1467 | ip_len = sizeof *ip6; | |
a36de779 | 1468 | } |
a36de779 PS |
1469 | |
1470 | /* Tunnel header */ | |
370e373b | 1471 | l4 = ((uint8_t *) l3 + ip_len); |
a36de779 PS |
1472 | udp = (struct udp_header *) l4; |
1473 | greh = (struct gre_base_hdr *) l4; | |
8e45fe7c | 1474 | if (ovs_scan_len(s, &n, "udp(src=%"SCNi16",dst=%"SCNi16",csum=0x%"SCNx16"),", |
9ac0aada | 1475 | &udp_src, &udp_dst, &csum)) { |
e5a1caee | 1476 | uint32_t vx_flags, vni; |
a36de779 PS |
1477 | |
1478 | udp->udp_src = htons(udp_src); | |
1479 | udp->udp_dst = htons(udp_dst); | |
1480 | udp->udp_len = 0; | |
8e45fe7c | 1481 | udp->udp_csum = htons(csum); |
a36de779 | 1482 | |
e066f78f | 1483 | if (ovs_scan_len(s, &n, "vxlan(flags=0x%"SCNx32",vni=0x%"SCNx32"))", |
9ac0aada | 1484 | &vx_flags, &vni)) { |
e066f78f JG |
1485 | struct vxlanhdr *vxh = (struct vxlanhdr *) (udp + 1); |
1486 | ||
1487 | put_16aligned_be32(&vxh->vx_flags, htonl(vx_flags)); | |
e5a1caee | 1488 | put_16aligned_be32(&vxh->vx_vni, htonl(vni << 8)); |
e066f78f | 1489 | tnl_type = OVS_VPORT_TYPE_VXLAN; |
370e373b | 1490 | header_len = sizeof *eth + ip_len + |
e066f78f | 1491 | sizeof *udp + sizeof *vxh; |
e5a1caee JG |
1492 | } else if (ovs_scan_len(s, &n, "geneve(")) { |
1493 | struct genevehdr *gnh = (struct genevehdr *) (udp + 1); | |
1494 | ||
46e7137c | 1495 | memset(gnh, 0, sizeof *gnh); |
370e373b | 1496 | header_len = sizeof *eth + ip_len + |
5bb08b0e JG |
1497 | sizeof *udp + sizeof *gnh; |
1498 | ||
e5a1caee JG |
1499 | if (ovs_scan_len(s, &n, "oam,")) { |
1500 | gnh->oam = 1; | |
1501 | } | |
5bb08b0e JG |
1502 | if (ovs_scan_len(s, &n, "crit,")) { |
1503 | gnh->critical = 1; | |
1504 | } | |
1505 | if (!ovs_scan_len(s, &n, "vni=%"SCNi32, &vni)) { | |
e5a1caee JG |
1506 | return -EINVAL; |
1507 | } | |
5bb08b0e JG |
1508 | if (ovs_scan_len(s, &n, ",options(")) { |
1509 | struct geneve_scan options; | |
1510 | int len; | |
1511 | ||
1512 | memset(&options, 0, sizeof options); | |
1513 | len = scan_geneve(s + n, &options, NULL); | |
1514 | if (!len) { | |
1515 | return -EINVAL; | |
1516 | } | |
1517 | ||
1518 | memcpy(gnh->options, options.d, options.len); | |
1519 | gnh->opt_len = options.len / 4; | |
1520 | header_len += options.len; | |
1521 | ||
1522 | n += len; | |
1523 | } | |
1524 | if (!ovs_scan_len(s, &n, "))")) { | |
1525 | return -EINVAL; | |
1526 | } | |
1527 | ||
e5a1caee JG |
1528 | gnh->proto_type = htons(ETH_TYPE_TEB); |
1529 | put_16aligned_be32(&gnh->vni, htonl(vni << 8)); | |
1530 | tnl_type = OVS_VPORT_TYPE_GENEVE; | |
e066f78f | 1531 | } else { |
a36de779 PS |
1532 | return -EINVAL; |
1533 | } | |
a36de779 | 1534 | } else if (ovs_scan_len(s, &n, "gre((flags=0x%"SCNx16",proto=0x%"SCNx16")", |
9ac0aada | 1535 | &gre_flags, &gre_proto)){ |
a36de779 PS |
1536 | |
1537 | tnl_type = OVS_VPORT_TYPE_GRE; | |
e8fe6ad0 | 1538 | greh->flags = htons(gre_flags); |
a36de779 PS |
1539 | greh->protocol = htons(gre_proto); |
1540 | ovs_16aligned_be32 *options = (ovs_16aligned_be32 *) (greh + 1); | |
1541 | ||
1542 | if (greh->flags & htons(GRE_CSUM)) { | |
d804d31e | 1543 | if (!ovs_scan_len(s, &n, ",csum=0x%"SCNx16, &csum)) { |
a36de779 PS |
1544 | return -EINVAL; |
1545 | } | |
d804d31e JG |
1546 | |
1547 | memset(options, 0, sizeof *options); | |
1548 | *((ovs_be16 *)options) = htons(csum); | |
a36de779 PS |
1549 | options++; |
1550 | } | |
1551 | if (greh->flags & htons(GRE_KEY)) { | |
1552 | uint32_t key; | |
1553 | ||
1554 | if (!ovs_scan_len(s, &n, ",key=0x%"SCNx32, &key)) { | |
1555 | return -EINVAL; | |
1556 | } | |
1557 | ||
1558 | put_16aligned_be32(options, htonl(key)); | |
1559 | options++; | |
1560 | } | |
1561 | if (greh->flags & htons(GRE_SEQ)) { | |
1562 | uint32_t seq; | |
1563 | ||
1564 | if (!ovs_scan_len(s, &n, ",seq=0x%"SCNx32, &seq)) { | |
1565 | return -EINVAL; | |
1566 | } | |
1567 | put_16aligned_be32(options, htonl(seq)); | |
1568 | options++; | |
1569 | } | |
1570 | ||
1571 | if (!ovs_scan_len(s, &n, "))")) { | |
1572 | return -EINVAL; | |
1573 | } | |
1574 | ||
370e373b | 1575 | header_len = sizeof *eth + ip_len + |
a36de779 PS |
1576 | ((uint8_t *) options - (uint8_t *) greh); |
1577 | } else { | |
1578 | return -EINVAL; | |
1579 | } | |
1580 | ||
1581 | /* check tunnel meta data. */ | |
1582 | if (data->tnl_type != tnl_type) { | |
1583 | return -EINVAL; | |
1584 | } | |
1585 | if (data->header_len != header_len) { | |
1586 | return -EINVAL; | |
1587 | } | |
1588 | ||
1589 | /* Out port */ | |
1590 | if (!ovs_scan_len(s, &n, ",out_port(%"SCNi32"))", &data->out_port)) { | |
1591 | return -EINVAL; | |
1592 | } | |
1593 | ||
1594 | return n; | |
1595 | } | |
1596 | ||
9ac0aada JR |
1597 | struct ct_nat_params { |
1598 | bool snat; | |
1599 | bool dnat; | |
1600 | size_t addr_len; | |
1601 | union { | |
1602 | ovs_be32 ip; | |
1603 | struct in6_addr ip6; | |
1604 | } addr_min; | |
1605 | union { | |
1606 | ovs_be32 ip; | |
1607 | struct in6_addr ip6; | |
1608 | } addr_max; | |
1609 | uint16_t proto_min; | |
1610 | uint16_t proto_max; | |
1611 | bool persistent; | |
1612 | bool proto_hash; | |
1613 | bool proto_random; | |
1614 | }; | |
1615 | ||
1616 | static int | |
1617 | scan_ct_nat_range(const char *s, int *n, struct ct_nat_params *p) | |
1618 | { | |
1619 | if (ovs_scan_len(s, n, "=")) { | |
1620 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
1621 | struct in6_addr ipv6; | |
1622 | ||
1623 | if (ovs_scan_len(s, n, IP_SCAN_FMT, IP_SCAN_ARGS(&p->addr_min.ip))) { | |
1624 | p->addr_len = sizeof p->addr_min.ip; | |
1625 | if (ovs_scan_len(s, n, "-")) { | |
1626 | if (!ovs_scan_len(s, n, IP_SCAN_FMT, | |
1627 | IP_SCAN_ARGS(&p->addr_max.ip))) { | |
1628 | return -EINVAL; | |
1629 | } | |
1630 | } | |
1631 | } else if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1632 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1633 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1634 | p->addr_len = sizeof p->addr_min.ip6; | |
1635 | p->addr_min.ip6 = ipv6; | |
1636 | if (ovs_scan_len(s, n, "-")) { | |
1637 | if ((ovs_scan_len(s, n, IPV6_SCAN_FMT, ipv6_s) | |
1638 | || ovs_scan_len(s, n, "["IPV6_SCAN_FMT"]", ipv6_s)) | |
1639 | && inet_pton(AF_INET6, ipv6_s, &ipv6) == 1) { | |
1640 | p->addr_max.ip6 = ipv6; | |
1641 | } else { | |
1642 | return -EINVAL; | |
1643 | } | |
1644 | } | |
1645 | } else { | |
1646 | return -EINVAL; | |
1647 | } | |
1648 | if (ovs_scan_len(s, n, ":%"SCNu16, &p->proto_min)) { | |
1649 | if (ovs_scan_len(s, n, "-")) { | |
1650 | if (!ovs_scan_len(s, n, "%"SCNu16, &p->proto_max)) { | |
1651 | return -EINVAL; | |
1652 | } | |
1653 | } | |
1654 | } | |
1655 | } | |
1656 | return 0; | |
1657 | } | |
1658 | ||
1659 | static int | |
1660 | scan_ct_nat(const char *s, struct ct_nat_params *p) | |
1661 | { | |
1662 | int n = 0; | |
1663 | ||
1664 | if (ovs_scan_len(s, &n, "nat")) { | |
1665 | memset(p, 0, sizeof *p); | |
1666 | ||
1667 | if (ovs_scan_len(s, &n, "(")) { | |
1668 | char *end; | |
1669 | int end_n; | |
1670 | ||
1671 | end = strchr(s + n, ')'); | |
1672 | if (!end) { | |
1673 | return -EINVAL; | |
1674 | } | |
1675 | end_n = end - s; | |
1676 | ||
1677 | while (n < end_n) { | |
1678 | n += strspn(s + n, delimiters); | |
1679 | if (ovs_scan_len(s, &n, "src")) { | |
1680 | int err = scan_ct_nat_range(s, &n, p); | |
1681 | if (err) { | |
1682 | return err; | |
1683 | } | |
1684 | p->snat = true; | |
1685 | continue; | |
1686 | } | |
1687 | if (ovs_scan_len(s, &n, "dst")) { | |
1688 | int err = scan_ct_nat_range(s, &n, p); | |
1689 | if (err) { | |
1690 | return err; | |
1691 | } | |
1692 | p->dnat = true; | |
1693 | continue; | |
1694 | } | |
1695 | if (ovs_scan_len(s, &n, "persistent")) { | |
1696 | p->persistent = true; | |
1697 | continue; | |
1698 | } | |
1699 | if (ovs_scan_len(s, &n, "hash")) { | |
1700 | p->proto_hash = true; | |
1701 | continue; | |
1702 | } | |
1703 | if (ovs_scan_len(s, &n, "random")) { | |
1704 | p->proto_random = true; | |
1705 | continue; | |
1706 | } | |
1707 | return -EINVAL; | |
1708 | } | |
1709 | ||
1710 | if (p->snat && p->dnat) { | |
1711 | return -EINVAL; | |
1712 | } | |
1713 | if ((p->addr_len != 0 && | |
1714 | memcmp(&p->addr_max, &in6addr_any, p->addr_len) && | |
1715 | memcmp(&p->addr_max, &p->addr_min, p->addr_len) < 0) || | |
1716 | (p->proto_max && p->proto_max < p->proto_min)) { | |
1717 | return -EINVAL; | |
1718 | } | |
1719 | if (p->proto_hash && p->proto_random) { | |
1720 | return -EINVAL; | |
1721 | } | |
1722 | n++; | |
1723 | } | |
1724 | } | |
1725 | return n; | |
1726 | } | |
1727 | ||
1728 | static void | |
1729 | nl_msg_put_ct_nat(struct ct_nat_params *p, struct ofpbuf *actions) | |
1730 | { | |
1731 | size_t start = nl_msg_start_nested(actions, OVS_CT_ATTR_NAT); | |
1732 | ||
1733 | if (p->snat) { | |
1734 | nl_msg_put_flag(actions, OVS_NAT_ATTR_SRC); | |
1735 | } else if (p->dnat) { | |
1736 | nl_msg_put_flag(actions, OVS_NAT_ATTR_DST); | |
1737 | } else { | |
1738 | goto out; | |
1739 | } | |
1740 | if (p->addr_len != 0) { | |
1741 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MIN, &p->addr_min, | |
1742 | p->addr_len); | |
1743 | if (memcmp(&p->addr_max, &p->addr_min, p->addr_len) > 0) { | |
1744 | nl_msg_put_unspec(actions, OVS_NAT_ATTR_IP_MAX, &p->addr_max, | |
1745 | p->addr_len); | |
1746 | } | |
1747 | if (p->proto_min) { | |
1748 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MIN, p->proto_min); | |
1749 | if (p->proto_max && p->proto_max > p->proto_min) { | |
1750 | nl_msg_put_u16(actions, OVS_NAT_ATTR_PROTO_MAX, p->proto_max); | |
1751 | } | |
1752 | } | |
1753 | if (p->persistent) { | |
1754 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PERSISTENT); | |
1755 | } | |
1756 | if (p->proto_hash) { | |
1757 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_HASH); | |
1758 | } | |
1759 | if (p->proto_random) { | |
1760 | nl_msg_put_flag(actions, OVS_NAT_ATTR_PROTO_RANDOM); | |
1761 | } | |
1762 | } | |
1763 | out: | |
1764 | nl_msg_end_nested(actions, start); | |
1765 | } | |
1766 | ||
07659514 JS |
1767 | static int |
1768 | parse_conntrack_action(const char *s_, struct ofpbuf *actions) | |
1769 | { | |
1770 | const char *s = s_; | |
1771 | ||
1772 | if (ovs_scan(s, "ct")) { | |
d787ad39 JS |
1773 | const char *helper = NULL; |
1774 | size_t helper_len = 0; | |
07659514 | 1775 | bool commit = false; |
a76a37ef | 1776 | bool force_commit = false; |
07659514 | 1777 | uint16_t zone = 0; |
8e53fe8c JS |
1778 | struct { |
1779 | uint32_t value; | |
1780 | uint32_t mask; | |
1781 | } ct_mark = { 0, 0 }; | |
9daf2348 JS |
1782 | struct { |
1783 | ovs_u128 value; | |
1784 | ovs_u128 mask; | |
1785 | } ct_label; | |
9ac0aada JR |
1786 | struct ct_nat_params nat_params; |
1787 | bool have_nat = false; | |
07659514 JS |
1788 | size_t start; |
1789 | char *end; | |
1790 | ||
9daf2348 JS |
1791 | memset(&ct_label, 0, sizeof(ct_label)); |
1792 | ||
07659514 JS |
1793 | s += 2; |
1794 | if (ovs_scan(s, "(")) { | |
1795 | s++; | |
9ac0aada | 1796 | find_end: |
07659514 JS |
1797 | end = strchr(s, ')'); |
1798 | if (!end) { | |
1799 | return -EINVAL; | |
1800 | } | |
1801 | ||
1802 | while (s != end) { | |
9ac0aada | 1803 | int n; |
07659514 JS |
1804 | |
1805 | s += strspn(s, delimiters); | |
1806 | if (ovs_scan(s, "commit%n", &n)) { | |
1807 | commit = true; | |
1808 | s += n; | |
1809 | continue; | |
1810 | } | |
a76a37ef JR |
1811 | if (ovs_scan(s, "force_commit%n", &n)) { |
1812 | force_commit = true; | |
1813 | s += n; | |
1814 | continue; | |
1815 | } | |
07659514 JS |
1816 | if (ovs_scan(s, "zone=%"SCNu16"%n", &zone, &n)) { |
1817 | s += n; | |
1818 | continue; | |
1819 | } | |
8e53fe8c JS |
1820 | if (ovs_scan(s, "mark=%"SCNx32"%n", &ct_mark.value, &n)) { |
1821 | s += n; | |
1822 | n = -1; | |
1823 | if (ovs_scan(s, "/%"SCNx32"%n", &ct_mark.mask, &n)) { | |
1824 | s += n; | |
1825 | } else { | |
1826 | ct_mark.mask = UINT32_MAX; | |
1827 | } | |
1828 | continue; | |
1829 | } | |
9daf2348 JS |
1830 | if (ovs_scan(s, "label=%n", &n)) { |
1831 | int retval; | |
1832 | ||
1833 | s += n; | |
1834 | retval = scan_u128(s, &ct_label.value, &ct_label.mask); | |
1835 | if (retval < 0) { | |
1836 | return retval; | |
1837 | } | |
1838 | s += retval; | |
1839 | continue; | |
1840 | } | |
d787ad39 JS |
1841 | if (ovs_scan(s, "helper=%n", &n)) { |
1842 | s += n; | |
1843 | helper_len = strcspn(s, delimiters_end); | |
1844 | if (!helper_len || helper_len > 15) { | |
1845 | return -EINVAL; | |
1846 | } | |
1847 | helper = s; | |
1848 | s += helper_len; | |
1849 | continue; | |
1850 | } | |
07659514 | 1851 | |
9ac0aada JR |
1852 | n = scan_ct_nat(s, &nat_params); |
1853 | if (n > 0) { | |
1854 | s += n; | |
1855 | have_nat = true; | |
1856 | ||
1857 | /* end points to the end of the nested, nat action. | |
1858 | * find the real end. */ | |
1859 | goto find_end; | |
1860 | } | |
1861 | /* Nothing matched. */ | |
07659514 JS |
1862 | return -EINVAL; |
1863 | } | |
1864 | s++; | |
1865 | } | |
a76a37ef JR |
1866 | if (commit && force_commit) { |
1867 | return -EINVAL; | |
1868 | } | |
07659514 JS |
1869 | |
1870 | start = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CT); | |
1871 | if (commit) { | |
1872 | nl_msg_put_flag(actions, OVS_CT_ATTR_COMMIT); | |
a76a37ef JR |
1873 | } else if (force_commit) { |
1874 | nl_msg_put_flag(actions, OVS_CT_ATTR_FORCE_COMMIT); | |
07659514 JS |
1875 | } |
1876 | if (zone) { | |
1877 | nl_msg_put_u16(actions, OVS_CT_ATTR_ZONE, zone); | |
1878 | } | |
8e53fe8c JS |
1879 | if (ct_mark.mask) { |
1880 | nl_msg_put_unspec(actions, OVS_CT_ATTR_MARK, &ct_mark, | |
1881 | sizeof(ct_mark)); | |
1882 | } | |
2ff8484b | 1883 | if (!ovs_u128_is_zero(ct_label.mask)) { |
9daf2348 JS |
1884 | nl_msg_put_unspec(actions, OVS_CT_ATTR_LABELS, &ct_label, |
1885 | sizeof ct_label); | |
1886 | } | |
d787ad39 JS |
1887 | if (helper) { |
1888 | nl_msg_put_string__(actions, OVS_CT_ATTR_HELPER, helper, | |
1889 | helper_len); | |
1890 | } | |
9ac0aada JR |
1891 | if (have_nat) { |
1892 | nl_msg_put_ct_nat(&nat_params, actions); | |
1893 | } | |
07659514 JS |
1894 | nl_msg_end_nested(actions, start); |
1895 | } | |
1896 | ||
1897 | return s - s_; | |
1898 | } | |
1899 | ||
f59cb331 | 1900 | static void |
17553f27 | 1901 | nsh_key_to_attr(struct ofpbuf *buf, const struct ovs_key_nsh *nsh, |
f59cb331 YY |
1902 | uint8_t * metadata, size_t md_size, |
1903 | bool is_mask) | |
1904 | { | |
1905 | size_t nsh_key_ofs; | |
1906 | struct ovs_nsh_key_base base; | |
1907 | ||
1908 | base.flags = nsh->flags; | |
17553f27 | 1909 | base.ttl = nsh->ttl; |
f59cb331 YY |
1910 | base.mdtype = nsh->mdtype; |
1911 | base.np = nsh->np; | |
17553f27 | 1912 | base.path_hdr = nsh->path_hdr; |
f59cb331 YY |
1913 | |
1914 | nsh_key_ofs = nl_msg_start_nested(buf, OVS_KEY_ATTR_NSH); | |
1915 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_BASE, &base, sizeof base); | |
1916 | ||
1917 | if (is_mask) { | |
1918 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD1, nsh->context, | |
1919 | sizeof nsh->context); | |
1920 | } else { | |
1921 | switch (nsh->mdtype) { | |
1922 | case NSH_M_TYPE1: | |
1923 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD1, nsh->context, | |
1924 | sizeof nsh->context); | |
1925 | break; | |
1926 | case NSH_M_TYPE2: | |
1927 | if (metadata && md_size > 0) { | |
1928 | nl_msg_put_unspec(buf, OVS_NSH_KEY_ATTR_MD2, metadata, | |
1929 | md_size); | |
1930 | } | |
1931 | break; | |
1932 | default: | |
1933 | /* No match support for other MD formats yet. */ | |
1934 | break; | |
1935 | } | |
1936 | } | |
1937 | nl_msg_end_nested(buf, nsh_key_ofs); | |
1938 | } | |
1939 | ||
1940 | ||
1fc11c59 | 1941 | static int |
f59cb331 | 1942 | parse_odp_push_nsh_action(const char *s, struct ofpbuf *actions) |
1fc11c59 JS |
1943 | { |
1944 | int n = 0; | |
1945 | int ret = 0; | |
f59cb331 | 1946 | uint32_t spi = 0; |
17553f27 | 1947 | uint8_t si = 255; |
1fc11c59 | 1948 | uint32_t cd; |
17553f27 | 1949 | struct ovs_key_nsh nsh; |
f59cb331 YY |
1950 | uint8_t metadata[NSH_CTX_HDRS_MAX_LEN]; |
1951 | uint8_t md_size = 0; | |
1fc11c59 | 1952 | |
f59cb331 | 1953 | if (!ovs_scan_len(s, &n, "push_nsh(")) { |
1fc11c59 JS |
1954 | ret = -EINVAL; |
1955 | goto out; | |
1956 | } | |
1957 | ||
1958 | /* The default is NSH_M_TYPE1 */ | |
f59cb331 | 1959 | nsh.flags = 0; |
17553f27 | 1960 | nsh.ttl = 63; |
f59cb331 YY |
1961 | nsh.mdtype = NSH_M_TYPE1; |
1962 | nsh.np = NSH_P_ETHERNET; | |
17553f27 | 1963 | nsh.path_hdr = nsh_spi_si_to_path_hdr(0, 255); |
f59cb331 | 1964 | memset(nsh.context, 0, NSH_M_TYPE1_MDLEN); |
1fc11c59 JS |
1965 | |
1966 | for (;;) { | |
1967 | n += strspn(s + n, delimiters); | |
1968 | if (s[n] == ')') { | |
1969 | break; | |
1970 | } | |
1971 | ||
f59cb331 | 1972 | if (ovs_scan_len(s, &n, "flags=%"SCNi8, &nsh.flags)) { |
1fc11c59 JS |
1973 | continue; |
1974 | } | |
17553f27 YY |
1975 | if (ovs_scan_len(s, &n, "ttl=%"SCNi8, &nsh.ttl)) { |
1976 | continue; | |
1977 | } | |
f59cb331 YY |
1978 | if (ovs_scan_len(s, &n, "mdtype=%"SCNi8, &nsh.mdtype)) { |
1979 | switch (nsh.mdtype) { | |
1fc11c59 JS |
1980 | case NSH_M_TYPE1: |
1981 | /* This is the default format. */; | |
1982 | break; | |
1983 | case NSH_M_TYPE2: | |
1984 | /* Length will be updated later. */ | |
f59cb331 | 1985 | md_size = 0; |
1fc11c59 JS |
1986 | break; |
1987 | default: | |
1988 | ret = -EINVAL; | |
1989 | goto out; | |
1990 | } | |
1991 | continue; | |
1992 | } | |
f59cb331 | 1993 | if (ovs_scan_len(s, &n, "np=%"SCNi8, &nsh.np)) { |
1fc11c59 JS |
1994 | continue; |
1995 | } | |
1996 | if (ovs_scan_len(s, &n, "spi=0x%"SCNx32, &spi)) { | |
1fc11c59 JS |
1997 | continue; |
1998 | } | |
17553f27 | 1999 | if (ovs_scan_len(s, &n, "si=%"SCNi8, &si)) { |
1fc11c59 JS |
2000 | continue; |
2001 | } | |
f59cb331 | 2002 | if (nsh.mdtype == NSH_M_TYPE1) { |
1fc11c59 | 2003 | if (ovs_scan_len(s, &n, "c1=0x%"SCNx32, &cd)) { |
f59cb331 | 2004 | nsh.context[0] = htonl(cd); |
1fc11c59 JS |
2005 | continue; |
2006 | } | |
2007 | if (ovs_scan_len(s, &n, "c2=0x%"SCNx32, &cd)) { | |
f59cb331 | 2008 | nsh.context[1] = htonl(cd); |
1fc11c59 JS |
2009 | continue; |
2010 | } | |
2011 | if (ovs_scan_len(s, &n, "c3=0x%"SCNx32, &cd)) { | |
f59cb331 | 2012 | nsh.context[2] = htonl(cd); |
1fc11c59 JS |
2013 | continue; |
2014 | } | |
2015 | if (ovs_scan_len(s, &n, "c4=0x%"SCNx32, &cd)) { | |
f59cb331 | 2016 | nsh.context[3] = htonl(cd); |
1fc11c59 JS |
2017 | continue; |
2018 | } | |
2019 | } | |
f59cb331 | 2020 | else if (nsh.mdtype == NSH_M_TYPE2) { |
1fc11c59 JS |
2021 | struct ofpbuf b; |
2022 | char buf[512]; | |
7edef47b | 2023 | size_t mdlen, padding; |
1fc11c59 | 2024 | if (ovs_scan_len(s, &n, "md2=0x%511[0-9a-fA-F]", buf)) { |
f59cb331 YY |
2025 | ofpbuf_use_stub(&b, metadata, |
2026 | NSH_CTX_HDRS_MAX_LEN); | |
1fc11c59 | 2027 | ofpbuf_put_hex(&b, buf, &mdlen); |
7edef47b JS |
2028 | /* Pad metadata to 4 bytes. */ |
2029 | padding = PAD_SIZE(mdlen, 4); | |
2030 | if (padding > 0) { | |
2031 | ofpbuf_push_zeros(&b, padding); | |
2032 | } | |
f59cb331 | 2033 | md_size = mdlen + padding; |
1fc11c59 | 2034 | ofpbuf_uninit(&b); |
99cf9959 | 2035 | continue; |
1fc11c59 | 2036 | } |
1fc11c59 | 2037 | } |
0884990e BP |
2038 | |
2039 | ret = -EINVAL; | |
2040 | goto out; | |
1fc11c59 JS |
2041 | } |
2042 | out: | |
f59cb331 | 2043 | if (ret >= 0) { |
17553f27 | 2044 | nsh.path_hdr = nsh_spi_si_to_path_hdr(spi, si); |
f59cb331 YY |
2045 | size_t offset = nl_msg_start_nested(actions, OVS_ACTION_ATTR_PUSH_NSH); |
2046 | nsh_key_to_attr(actions, &nsh, metadata, md_size, false); | |
2047 | nl_msg_end_nested(actions, offset); | |
2048 | ret = n; | |
1fc11c59 | 2049 | } |
f59cb331 | 2050 | return ret; |
1fc11c59 JS |
2051 | } |
2052 | ||
c37f7135 AZ |
2053 | static int |
2054 | parse_action_list(const char *s, const struct simap *port_names, | |
2055 | struct ofpbuf *actions) | |
2056 | { | |
2057 | int n = 0; | |
2058 | ||
2059 | for (;;) { | |
2060 | int retval; | |
2061 | ||
2062 | n += strspn(s + n, delimiters); | |
2063 | if (s[n] == ')') { | |
2064 | break; | |
2065 | } | |
2066 | retval = parse_odp_action(s + n, port_names, actions); | |
2067 | if (retval < 0) { | |
2068 | return retval; | |
2069 | } | |
2070 | n += retval; | |
2071 | } | |
2072 | ||
2073 | return n; | |
2074 | } | |
2075 | ||
8b7ea2d4 WZ |
2076 | static int |
2077 | parse_odp_action(const char *s, const struct simap *port_names, | |
2078 | struct ofpbuf *actions) | |
2079 | { | |
2080 | { | |
2081 | uint32_t port; | |
2082 | int n; | |
2083 | ||
2084 | if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) { | |
2085 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); | |
2086 | return n; | |
7202cbe5 BP |
2087 | } |
2088 | } | |
2089 | ||
aaca4fe0 WT |
2090 | { |
2091 | uint32_t max_len; | |
2092 | int n; | |
2093 | ||
2094 | if (ovs_scan(s, "trunc(%"SCNi32")%n", &max_len, &n)) { | |
2095 | struct ovs_action_trunc *trunc; | |
2096 | ||
2097 | trunc = nl_msg_put_unspec_uninit(actions, | |
2098 | OVS_ACTION_ATTR_TRUNC, sizeof *trunc); | |
2099 | trunc->max_len = max_len; | |
2100 | return n; | |
2101 | } | |
2102 | } | |
2103 | ||
8b7ea2d4 WZ |
2104 | if (port_names) { |
2105 | int len = strcspn(s, delimiters); | |
2106 | struct simap_node *node; | |
2107 | ||
2108 | node = simap_find_len(port_names, s, len); | |
2109 | if (node) { | |
2110 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); | |
2111 | return len; | |
2112 | } | |
2113 | } | |
2114 | ||
d73803ca DDP |
2115 | { |
2116 | uint32_t recirc_id; | |
2117 | int n = -1; | |
2118 | ||
2119 | if (ovs_scan(s, "recirc(%"PRIu32")%n", &recirc_id, &n)) { | |
2120 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_RECIRC, recirc_id); | |
2121 | return n; | |
2122 | } | |
2123 | } | |
2124 | ||
8b7ea2d4 WZ |
2125 | if (!strncmp(s, "userspace(", 10)) { |
2126 | return parse_odp_userspace_action(s, actions); | |
2127 | } | |
2128 | ||
7202cbe5 BP |
2129 | if (!strncmp(s, "set(", 4)) { |
2130 | size_t start_ofs; | |
2131 | int retval; | |
c34a5515 BP |
2132 | struct nlattr mask[1024 / sizeof(struct nlattr)]; |
2133 | struct ofpbuf maskbuf = OFPBUF_STUB_INITIALIZER(mask); | |
6d670e7f JR |
2134 | struct nlattr *nested, *key; |
2135 | size_t size; | |
2136 | ||
7202cbe5 | 2137 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); |
6d670e7f | 2138 | retval = parse_odp_key_mask_attr(s + 4, port_names, actions, &maskbuf); |
7202cbe5 | 2139 | if (retval < 0) { |
c34a5515 | 2140 | ofpbuf_uninit(&maskbuf); |
7202cbe5 BP |
2141 | return retval; |
2142 | } | |
2143 | if (s[retval + 4] != ')') { | |
c34a5515 | 2144 | ofpbuf_uninit(&maskbuf); |
7202cbe5 BP |
2145 | return -EINVAL; |
2146 | } | |
6d670e7f JR |
2147 | |
2148 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
2149 | key = nested + 1; | |
2150 | ||
2151 | size = nl_attr_get_size(mask); | |
2152 | if (size == nl_attr_get_size(key)) { | |
2153 | /* Change to masked set action if not fully masked. */ | |
53cb9c3e | 2154 | if (!is_all_ones(mask + 1, size)) { |
34ed68a6 PB |
2155 | /* Remove padding of eariler key payload */ |
2156 | actions->size -= NLA_ALIGN(key->nla_len) - key->nla_len; | |
2157 | ||
2158 | /* Put mask payload right after key payload */ | |
6d670e7f JR |
2159 | key->nla_len += size; |
2160 | ofpbuf_put(actions, mask + 1, size); | |
34ed68a6 PB |
2161 | |
2162 | /* Add new padding as needed */ | |
2163 | ofpbuf_put_zeros(actions, NLA_ALIGN(key->nla_len) - | |
2164 | key->nla_len); | |
2165 | ||
6d670e7f JR |
2166 | /* 'actions' may have been reallocated by ofpbuf_put(). */ |
2167 | nested = ofpbuf_at_assert(actions, start_ofs, sizeof *nested); | |
2168 | nested->nla_type = OVS_ACTION_ATTR_SET_MASKED; | |
2169 | } | |
2170 | } | |
c34a5515 | 2171 | ofpbuf_uninit(&maskbuf); |
6d670e7f | 2172 | |
7202cbe5 BP |
2173 | nl_msg_end_nested(actions, start_ofs); |
2174 | return retval + 5; | |
2175 | } | |
2176 | ||
becffb86 BP |
2177 | { |
2178 | struct ovs_action_push_vlan push; | |
2179 | int tpid = ETH_TYPE_VLAN; | |
2180 | int vid, pcp; | |
2181 | int cfi = 1; | |
2182 | int n = -1; | |
7202cbe5 | 2183 | |
c2c28dfd BP |
2184 | if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) |
2185 | || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
2186 | &vid, &pcp, &cfi, &n) | |
2187 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
2188 | &tpid, &vid, &pcp, &n) | |
2189 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
2190 | &tpid, &vid, &pcp, &cfi, &n)) { | |
becffb86 BP |
2191 | push.vlan_tpid = htons(tpid); |
2192 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
2193 | | (pcp << VLAN_PCP_SHIFT) | |
2194 | | (cfi ? VLAN_CFI : 0)); | |
2195 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
2196 | &push, sizeof push); | |
2197 | ||
2198 | return n; | |
7202cbe5 | 2199 | } |
7202cbe5 BP |
2200 | } |
2201 | ||
becffb86 BP |
2202 | if (!strncmp(s, "pop_vlan", 8)) { |
2203 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
2204 | return 8; | |
7202cbe5 BP |
2205 | } |
2206 | ||
5dddf960 JR |
2207 | { |
2208 | unsigned long long int meter_id; | |
2209 | int n = -1; | |
2210 | ||
2211 | if (sscanf(s, "meter(%lli)%n", &meter_id, &n) > 0 && n > 0) { | |
2212 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_METER, meter_id); | |
2213 | return n; | |
2214 | } | |
2215 | } | |
2216 | ||
7202cbe5 BP |
2217 | { |
2218 | double percentage; | |
2219 | int n = -1; | |
2220 | ||
c2c28dfd BP |
2221 | if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) |
2222 | && percentage >= 0. && percentage <= 100.0) { | |
7202cbe5 BP |
2223 | size_t sample_ofs, actions_ofs; |
2224 | double probability; | |
2225 | ||
2226 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
2227 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
2228 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
2229 | (probability <= 0 ? 0 | |
2230 | : probability >= UINT32_MAX ? UINT32_MAX | |
2231 | : probability)); | |
2232 | ||
2233 | actions_ofs = nl_msg_start_nested(actions, | |
2234 | OVS_SAMPLE_ATTR_ACTIONS); | |
c37f7135 AZ |
2235 | int retval = parse_action_list(s + n, port_names, actions); |
2236 | if (retval < 0) | |
2237 | return retval; | |
7202cbe5 | 2238 | |
c37f7135 | 2239 | n += retval; |
7202cbe5 BP |
2240 | nl_msg_end_nested(actions, actions_ofs); |
2241 | nl_msg_end_nested(actions, sample_ofs); | |
2242 | ||
2243 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
2244 | } | |
2245 | } | |
2246 | ||
c37f7135 AZ |
2247 | { |
2248 | if (!strncmp(s, "clone(", 6)) { | |
2249 | size_t actions_ofs; | |
2250 | int n = 6; | |
2251 | ||
2252 | actions_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_CLONE); | |
2253 | int retval = parse_action_list(s + n, port_names, actions); | |
2254 | if (retval < 0) { | |
2255 | return retval; | |
2256 | } | |
2257 | n += retval; | |
2258 | nl_msg_end_nested(actions, actions_ofs); | |
2259 | return n + 1; | |
2260 | } | |
2261 | } | |
2262 | ||
1fc11c59 | 2263 | { |
f59cb331 YY |
2264 | if (!strncmp(s, "push_nsh(", 9)) { |
2265 | int retval = parse_odp_push_nsh_action(s, actions); | |
1fc11c59 JS |
2266 | if (retval < 0) { |
2267 | return retval; | |
2268 | } | |
2269 | return retval + 1; | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | { | |
2274 | int n; | |
f59cb331 YY |
2275 | if (ovs_scan(s, "pop_nsh()%n", &n)) { |
2276 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_NSH); | |
1fc11c59 JS |
2277 | return n; |
2278 | } | |
2279 | } | |
2280 | ||
a36de779 PS |
2281 | { |
2282 | uint32_t port; | |
2283 | int n; | |
2284 | ||
2285 | if (ovs_scan(s, "tnl_pop(%"SCNi32")%n", &port, &n)) { | |
2286 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_TUNNEL_POP, port); | |
2287 | return n; | |
2288 | } | |
2289 | } | |
2290 | ||
1fe178d2 EG |
2291 | { |
2292 | if (!strncmp(s, "ct_clear", 8)) { | |
2293 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_CT_CLEAR); | |
2294 | return 8; | |
2295 | } | |
2296 | } | |
2297 | ||
07659514 JS |
2298 | { |
2299 | int retval; | |
2300 | ||
2301 | retval = parse_conntrack_action(s, actions); | |
2302 | if (retval) { | |
2303 | return retval; | |
2304 | } | |
2305 | } | |
2306 | ||
a36de779 PS |
2307 | { |
2308 | struct ovs_action_push_tnl data; | |
2309 | int n; | |
2310 | ||
2311 | n = ovs_parse_tnl_push(s, &data); | |
2312 | if (n > 0) { | |
2313 | odp_put_tnl_push_action(actions, &data); | |
2314 | return n; | |
2315 | } else if (n < 0) { | |
2316 | return n; | |
2317 | } | |
2318 | } | |
7202cbe5 BP |
2319 | return -EINVAL; |
2320 | } | |
2321 | ||
2322 | /* Parses the string representation of datapath actions, in the format output | |
2323 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
2324 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
2325 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
2326 | * way, 'actions''s data might be reallocated. */ | |
2327 | int | |
44bac24b | 2328 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
2329 | struct ofpbuf *actions) |
2330 | { | |
2331 | size_t old_size; | |
2332 | ||
2333 | if (!strcasecmp(s, "drop")) { | |
2334 | return 0; | |
2335 | } | |
2336 | ||
6fd6ed71 | 2337 | old_size = actions->size; |
7202cbe5 BP |
2338 | for (;;) { |
2339 | int retval; | |
2340 | ||
2341 | s += strspn(s, delimiters); | |
2342 | if (!*s) { | |
2343 | return 0; | |
2344 | } | |
2345 | ||
2346 | retval = parse_odp_action(s, port_names, actions); | |
2347 | if (retval < 0 || !strchr(delimiters, s[retval])) { | |
6fd6ed71 | 2348 | actions->size = old_size; |
7202cbe5 BP |
2349 | return -retval; |
2350 | } | |
2351 | s += retval; | |
2352 | } | |
2353 | ||
2354 | return 0; | |
2355 | } | |
14608a15 | 2356 | \f |
6b8da9e9 JG |
2357 | static const struct attr_len_tbl ovs_vxlan_ext_attr_lens[OVS_VXLAN_EXT_MAX + 1] = { |
2358 | [OVS_VXLAN_EXT_GBP] = { .len = 4 }, | |
2359 | }; | |
2360 | ||
2361 | static const struct attr_len_tbl ovs_tun_key_attr_lens[OVS_TUNNEL_KEY_ATTR_MAX + 1] = { | |
2362 | [OVS_TUNNEL_KEY_ATTR_ID] = { .len = 8 }, | |
2363 | [OVS_TUNNEL_KEY_ATTR_IPV4_SRC] = { .len = 4 }, | |
2364 | [OVS_TUNNEL_KEY_ATTR_IPV4_DST] = { .len = 4 }, | |
2365 | [OVS_TUNNEL_KEY_ATTR_TOS] = { .len = 1 }, | |
2366 | [OVS_TUNNEL_KEY_ATTR_TTL] = { .len = 1 }, | |
2367 | [OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT] = { .len = 0 }, | |
2368 | [OVS_TUNNEL_KEY_ATTR_CSUM] = { .len = 0 }, | |
2369 | [OVS_TUNNEL_KEY_ATTR_TP_SRC] = { .len = 2 }, | |
2370 | [OVS_TUNNEL_KEY_ATTR_TP_DST] = { .len = 2 }, | |
2371 | [OVS_TUNNEL_KEY_ATTR_OAM] = { .len = 0 }, | |
2372 | [OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS] = { .len = ATTR_LEN_VARIABLE }, | |
2373 | [OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS] = { .len = ATTR_LEN_NESTED, | |
2374 | .next = ovs_vxlan_ext_attr_lens , | |
2375 | .next_max = OVS_VXLAN_EXT_MAX}, | |
ffe4c74f JB |
2376 | [OVS_TUNNEL_KEY_ATTR_IPV6_SRC] = { .len = 16 }, |
2377 | [OVS_TUNNEL_KEY_ATTR_IPV6_DST] = { .len = 16 }, | |
6b8da9e9 JG |
2378 | }; |
2379 | ||
0aee3827 | 2380 | const struct attr_len_tbl ovs_flow_key_attr_lens[OVS_KEY_ATTR_MAX + 1] = { |
6b8da9e9 JG |
2381 | [OVS_KEY_ATTR_ENCAP] = { .len = ATTR_LEN_NESTED }, |
2382 | [OVS_KEY_ATTR_PRIORITY] = { .len = 4 }, | |
2383 | [OVS_KEY_ATTR_SKB_MARK] = { .len = 4 }, | |
2384 | [OVS_KEY_ATTR_DP_HASH] = { .len = 4 }, | |
2385 | [OVS_KEY_ATTR_RECIRC_ID] = { .len = 4 }, | |
2386 | [OVS_KEY_ATTR_TUNNEL] = { .len = ATTR_LEN_NESTED, | |
2387 | .next = ovs_tun_key_attr_lens, | |
2388 | .next_max = OVS_TUNNEL_KEY_ATTR_MAX }, | |
2389 | [OVS_KEY_ATTR_IN_PORT] = { .len = 4 }, | |
2390 | [OVS_KEY_ATTR_ETHERNET] = { .len = sizeof(struct ovs_key_ethernet) }, | |
2391 | [OVS_KEY_ATTR_VLAN] = { .len = 2 }, | |
2392 | [OVS_KEY_ATTR_ETHERTYPE] = { .len = 2 }, | |
2393 | [OVS_KEY_ATTR_MPLS] = { .len = ATTR_LEN_VARIABLE }, | |
2394 | [OVS_KEY_ATTR_IPV4] = { .len = sizeof(struct ovs_key_ipv4) }, | |
2395 | [OVS_KEY_ATTR_IPV6] = { .len = sizeof(struct ovs_key_ipv6) }, | |
2396 | [OVS_KEY_ATTR_TCP] = { .len = sizeof(struct ovs_key_tcp) }, | |
2397 | [OVS_KEY_ATTR_TCP_FLAGS] = { .len = 2 }, | |
2398 | [OVS_KEY_ATTR_UDP] = { .len = sizeof(struct ovs_key_udp) }, | |
2399 | [OVS_KEY_ATTR_SCTP] = { .len = sizeof(struct ovs_key_sctp) }, | |
2400 | [OVS_KEY_ATTR_ICMP] = { .len = sizeof(struct ovs_key_icmp) }, | |
2401 | [OVS_KEY_ATTR_ICMPV6] = { .len = sizeof(struct ovs_key_icmpv6) }, | |
2402 | [OVS_KEY_ATTR_ARP] = { .len = sizeof(struct ovs_key_arp) }, | |
2403 | [OVS_KEY_ATTR_ND] = { .len = sizeof(struct ovs_key_nd) }, | |
07659514 JS |
2404 | [OVS_KEY_ATTR_CT_STATE] = { .len = 4 }, |
2405 | [OVS_KEY_ATTR_CT_ZONE] = { .len = 2 }, | |
8e53fe8c | 2406 | [OVS_KEY_ATTR_CT_MARK] = { .len = 4 }, |
9daf2348 | 2407 | [OVS_KEY_ATTR_CT_LABELS] = { .len = sizeof(struct ovs_key_ct_labels) }, |
c30b4cea JR |
2408 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4] = { .len = sizeof(struct ovs_key_ct_tuple_ipv4) }, |
2409 | [OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6] = { .len = sizeof(struct ovs_key_ct_tuple_ipv6) }, | |
beb75a40 | 2410 | [OVS_KEY_ATTR_PACKET_TYPE] = { .len = 4 }, |
f59cb331 YY |
2411 | [OVS_KEY_ATTR_NSH] = { .len = ATTR_LEN_NESTED, |
2412 | .next = ovs_nsh_key_attr_lens, | |
2413 | .next_max = OVS_NSH_KEY_ATTR_MAX }, | |
6b8da9e9 JG |
2414 | }; |
2415 | ||
36956a7d | 2416 | /* Returns the correct length of the payload for a flow key attribute of the |
6b8da9e9 JG |
2417 | * specified 'type', ATTR_LEN_INVALID if 'type' is unknown, ATTR_LEN_VARIABLE |
2418 | * if the attribute's payload is variable length, or ATTR_LEN_NESTED if the | |
2419 | * payload is a nested type. */ | |
36956a7d | 2420 | static int |
ce9c9b8b | 2421 | odp_key_attr_len(const struct attr_len_tbl tbl[], int max_type, uint16_t type) |
36956a7d | 2422 | { |
ce9c9b8b | 2423 | if (type > max_type) { |
6b8da9e9 | 2424 | return ATTR_LEN_INVALID; |
36956a7d BP |
2425 | } |
2426 | ||
6b8da9e9 | 2427 | return tbl[type].len; |
36956a7d BP |
2428 | } |
2429 | ||
36956a7d BP |
2430 | static void |
2431 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
2432 | { | |
2433 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
2434 | if (len) { |
2435 | const uint8_t *unspec; | |
2436 | unsigned int i; | |
2437 | ||
2438 | unspec = nl_attr_get(a); | |
2439 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
2440 | if (i) { |
2441 | ds_put_char(ds, ' '); | |
2442 | } | |
36956a7d BP |
2443 | ds_put_format(ds, "%02x", unspec[i]); |
2444 | } | |
36956a7d BP |
2445 | } |
2446 | } | |
2447 | ||
7257b535 BP |
2448 | static const char * |
2449 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
2450 | { | |
2451 | switch (type) { | |
2452 | case OVS_FRAG_TYPE_NONE: | |
2453 | return "no"; | |
2454 | case OVS_FRAG_TYPE_FIRST: | |
2455 | return "first"; | |
2456 | case OVS_FRAG_TYPE_LATER: | |
2457 | return "later"; | |
2458 | case __OVS_FRAG_TYPE_MAX: | |
2459 | default: | |
2460 | return "<error>"; | |
2461 | } | |
2462 | } | |
2463 | ||
f59cb331 YY |
2464 | enum odp_key_fitness |
2465 | odp_nsh_hdr_from_attr(const struct nlattr *attr, | |
2466 | struct nsh_hdr *nsh_hdr, size_t size) | |
2467 | { | |
2468 | unsigned int left; | |
2469 | const struct nlattr *a; | |
2470 | bool unknown = false; | |
2471 | uint8_t flags = 0; | |
17553f27 | 2472 | uint8_t ttl = 63; |
f59cb331 YY |
2473 | size_t mdlen = 0; |
2474 | bool has_md1 = false; | |
2475 | bool has_md2 = false; | |
2476 | ||
2477 | NL_NESTED_FOR_EACH (a, left, attr) { | |
2478 | uint16_t type = nl_attr_type(a); | |
2479 | size_t len = nl_attr_get_size(a); | |
2480 | int expected_len = odp_key_attr_len(ovs_nsh_key_attr_lens, | |
2481 | OVS_NSH_KEY_ATTR_MAX, type); | |
2482 | ||
2483 | if (len != expected_len && expected_len >= 0) { | |
2484 | return ODP_FIT_ERROR; | |
2485 | } | |
2486 | ||
2487 | switch (type) { | |
2488 | case OVS_NSH_KEY_ATTR_BASE: { | |
2489 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
2490 | nsh_hdr->next_proto = base->np; | |
2491 | nsh_hdr->md_type = base->mdtype; | |
2492 | put_16aligned_be32(&nsh_hdr->path_hdr, base->path_hdr); | |
2493 | flags = base->flags; | |
17553f27 | 2494 | ttl = base->ttl; |
f59cb331 YY |
2495 | break; |
2496 | } | |
2497 | case OVS_NSH_KEY_ATTR_MD1: { | |
2498 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
2499 | struct nsh_md1_ctx *md1_dst = &nsh_hdr->md1; | |
2500 | has_md1 = true; | |
2501 | mdlen = nl_attr_get_size(a); | |
2502 | if ((mdlen + NSH_BASE_HDR_LEN != NSH_M_TYPE1_LEN) || | |
2503 | (mdlen + NSH_BASE_HDR_LEN > size)) { | |
2504 | return ODP_FIT_ERROR; | |
2505 | } | |
2506 | memcpy(md1_dst, md1, mdlen); | |
2507 | break; | |
2508 | } | |
2509 | case OVS_NSH_KEY_ATTR_MD2: { | |
2510 | struct nsh_md2_tlv *md2_dst = &nsh_hdr->md2; | |
2511 | const uint8_t *md2 = nl_attr_get(a); | |
2512 | has_md2 = true; | |
2513 | mdlen = nl_attr_get_size(a); | |
2514 | if (mdlen + NSH_BASE_HDR_LEN > size) { | |
2515 | return ODP_FIT_ERROR; | |
2516 | } | |
2517 | memcpy(md2_dst, md2, mdlen); | |
2518 | break; | |
2519 | } | |
2520 | default: | |
2521 | /* Allow this to show up as unexpected, if there are unknown | |
2522 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2523 | unknown = true; | |
2524 | break; | |
2525 | } | |
2526 | } | |
2527 | ||
2528 | if (unknown) { | |
2529 | return ODP_FIT_TOO_MUCH; | |
2530 | } | |
2531 | ||
2532 | if ((has_md1 && nsh_hdr->md_type != NSH_M_TYPE1) | |
2533 | || (has_md2 && nsh_hdr->md_type != NSH_M_TYPE2)) { | |
2534 | return ODP_FIT_ERROR; | |
2535 | } | |
2536 | ||
2537 | /* nsh header length = NSH_BASE_HDR_LEN + mdlen */ | |
17553f27 | 2538 | nsh_set_flags_ttl_len(nsh_hdr, flags, ttl, NSH_BASE_HDR_LEN + mdlen); |
f59cb331 YY |
2539 | |
2540 | return ODP_FIT_PERFECT; | |
2541 | } | |
2542 | ||
2543 | enum odp_key_fitness | |
81fdabb9 YY |
2544 | odp_nsh_key_from_attr(const struct nlattr *attr, struct ovs_key_nsh *nsh, |
2545 | struct ovs_key_nsh *nsh_mask) | |
f59cb331 YY |
2546 | { |
2547 | unsigned int left; | |
2548 | const struct nlattr *a; | |
2549 | bool unknown = false; | |
2550 | bool has_md1 = false; | |
2551 | ||
2552 | NL_NESTED_FOR_EACH (a, left, attr) { | |
2553 | uint16_t type = nl_attr_type(a); | |
2554 | size_t len = nl_attr_get_size(a); | |
2555 | int expected_len = odp_key_attr_len(ovs_nsh_key_attr_lens, | |
2556 | OVS_NSH_KEY_ATTR_MAX, type); | |
2557 | ||
81fdabb9 YY |
2558 | /* the attribute can have mask, len is 2 * expected_len for that case. |
2559 | */ | |
2560 | if ((len != expected_len) && (len != 2 * expected_len) && | |
2561 | (expected_len >= 0)) { | |
2562 | return ODP_FIT_ERROR; | |
2563 | } | |
2564 | ||
2565 | if ((nsh_mask && (expected_len >= 0) && (len != 2 * expected_len)) || | |
2566 | (!nsh_mask && (expected_len >= 0) && (len == 2 * expected_len))) { | |
f59cb331 YY |
2567 | return ODP_FIT_ERROR; |
2568 | } | |
2569 | ||
2570 | switch (type) { | |
81fdabb9 YY |
2571 | case OVS_NSH_KEY_ATTR_UNSPEC: |
2572 | break; | |
f59cb331 YY |
2573 | case OVS_NSH_KEY_ATTR_BASE: { |
2574 | const struct ovs_nsh_key_base *base = nl_attr_get(a); | |
2575 | nsh->flags = base->flags; | |
17553f27 | 2576 | nsh->ttl = base->ttl; |
f59cb331 YY |
2577 | nsh->mdtype = base->mdtype; |
2578 | nsh->np = base->np; | |
17553f27 | 2579 | nsh->path_hdr = base->path_hdr; |
81fdabb9 YY |
2580 | if (nsh_mask && (len == 2 * sizeof(*base))) { |
2581 | const struct ovs_nsh_key_base *base_mask = base + 1; | |
2582 | nsh_mask->flags = base_mask->flags; | |
2583 | nsh_mask->ttl = base_mask->ttl; | |
2584 | nsh_mask->mdtype = base_mask->mdtype; | |
2585 | nsh_mask->np = base_mask->np; | |
2586 | nsh_mask->path_hdr = base_mask->path_hdr; | |
2587 | } | |
f59cb331 YY |
2588 | break; |
2589 | } | |
2590 | case OVS_NSH_KEY_ATTR_MD1: { | |
2591 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); | |
2592 | has_md1 = true; | |
2593 | memcpy(nsh->context, md1->context, sizeof md1->context); | |
81fdabb9 YY |
2594 | if (len == 2 * sizeof(*md1)) { |
2595 | const struct ovs_nsh_key_md1 *md1_mask = md1 + 1; | |
2596 | memcpy(nsh_mask->context, md1_mask->context, | |
2597 | sizeof(*md1_mask)); | |
2598 | } | |
f59cb331 YY |
2599 | break; |
2600 | } | |
2601 | case OVS_NSH_KEY_ATTR_MD2: | |
2602 | default: | |
2603 | /* Allow this to show up as unexpected, if there are unknown | |
2604 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2605 | unknown = true; | |
2606 | break; | |
2607 | } | |
2608 | } | |
2609 | ||
2610 | if (unknown) { | |
2611 | return ODP_FIT_TOO_MUCH; | |
2612 | } | |
2613 | ||
2614 | if (has_md1 && nsh->mdtype != NSH_M_TYPE1) { | |
2615 | return ODP_FIT_ERROR; | |
2616 | } | |
2617 | ||
2618 | return ODP_FIT_PERFECT; | |
2619 | } | |
2620 | ||
ec1f6f32 | 2621 | static enum odp_key_fitness |
8d8ab6c2 JG |
2622 | odp_tun_key_from_attr__(const struct nlattr *attr, bool is_mask, |
2623 | struct flow_tnl *tun) | |
9b405f1a PS |
2624 | { |
2625 | unsigned int left; | |
2626 | const struct nlattr *a; | |
2627 | bool ttl = false; | |
2628 | bool unknown = false; | |
2629 | ||
2630 | NL_NESTED_FOR_EACH(a, left, attr) { | |
2631 | uint16_t type = nl_attr_type(a); | |
2632 | size_t len = nl_attr_get_size(a); | |
6b8da9e9 JG |
2633 | int expected_len = odp_key_attr_len(ovs_tun_key_attr_lens, |
2634 | OVS_TUNNEL_ATTR_MAX, type); | |
9b405f1a PS |
2635 | |
2636 | if (len != expected_len && expected_len >= 0) { | |
2637 | return ODP_FIT_ERROR; | |
2638 | } | |
2639 | ||
2640 | switch (type) { | |
2641 | case OVS_TUNNEL_KEY_ATTR_ID: | |
2642 | tun->tun_id = nl_attr_get_be64(a); | |
2643 | tun->flags |= FLOW_TNL_F_KEY; | |
2644 | break; | |
2645 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
2646 | tun->ip_src = nl_attr_get_be32(a); | |
2647 | break; | |
2648 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
2649 | tun->ip_dst = nl_attr_get_be32(a); | |
2650 | break; | |
ffe4c74f JB |
2651 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: |
2652 | tun->ipv6_src = nl_attr_get_in6_addr(a); | |
2653 | break; | |
2654 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: | |
2655 | tun->ipv6_dst = nl_attr_get_in6_addr(a); | |
2656 | break; | |
9b405f1a PS |
2657 | case OVS_TUNNEL_KEY_ATTR_TOS: |
2658 | tun->ip_tos = nl_attr_get_u8(a); | |
2659 | break; | |
2660 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
2661 | tun->ip_ttl = nl_attr_get_u8(a); | |
2662 | ttl = true; | |
2663 | break; | |
2664 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
2665 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
2666 | break; | |
2667 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
2668 | tun->flags |= FLOW_TNL_F_CSUM; | |
2669 | break; | |
8b7ea2d4 WZ |
2670 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: |
2671 | tun->tp_src = nl_attr_get_be16(a); | |
2672 | break; | |
2673 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
2674 | tun->tp_dst = nl_attr_get_be16(a); | |
2675 | break; | |
94872594 JG |
2676 | case OVS_TUNNEL_KEY_ATTR_OAM: |
2677 | tun->flags |= FLOW_TNL_F_OAM; | |
2678 | break; | |
ac6073e3 MC |
2679 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: { |
2680 | static const struct nl_policy vxlan_opts_policy[] = { | |
2681 | [OVS_VXLAN_EXT_GBP] = { .type = NL_A_U32 }, | |
2682 | }; | |
2683 | struct nlattr *ext[ARRAY_SIZE(vxlan_opts_policy)]; | |
2684 | ||
2685 | if (!nl_parse_nested(a, vxlan_opts_policy, ext, ARRAY_SIZE(ext))) { | |
2686 | return ODP_FIT_ERROR; | |
2687 | } | |
2688 | ||
2689 | if (ext[OVS_VXLAN_EXT_GBP]) { | |
2690 | uint32_t gbp = nl_attr_get_u32(ext[OVS_VXLAN_EXT_GBP]); | |
2691 | ||
2692 | tun->gbp_id = htons(gbp & 0xFFFF); | |
2693 | tun->gbp_flags = (gbp >> 16) & 0xFF; | |
2694 | } | |
2695 | ||
2696 | break; | |
2697 | } | |
9558d2a5 | 2698 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: |
8d8ab6c2 | 2699 | tun_metadata_from_geneve_nlattr(a, is_mask, tun); |
c1fc1411 | 2700 | break; |
9558d2a5 | 2701 | |
9b405f1a PS |
2702 | default: |
2703 | /* Allow this to show up as unexpected, if there are unknown | |
2704 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
2705 | unknown = true; | |
2706 | break; | |
2707 | } | |
2708 | } | |
2709 | ||
2710 | if (!ttl) { | |
2711 | return ODP_FIT_ERROR; | |
2712 | } | |
2713 | if (unknown) { | |
758c456d | 2714 | return ODP_FIT_TOO_MUCH; |
9b405f1a PS |
2715 | } |
2716 | return ODP_FIT_PERFECT; | |
2717 | } | |
2718 | ||
ec1f6f32 | 2719 | enum odp_key_fitness |
8d8ab6c2 | 2720 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun) |
ec1f6f32 | 2721 | { |
35303d71 | 2722 | memset(tun, 0, sizeof *tun); |
8d8ab6c2 | 2723 | return odp_tun_key_from_attr__(attr, false, tun); |
ec1f6f32 JG |
2724 | } |
2725 | ||
9b405f1a | 2726 | static void |
ec1f6f32 | 2727 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key, |
9558d2a5 JG |
2728 | const struct flow_tnl *tun_flow_key, |
2729 | const struct ofpbuf *key_buf) | |
9b405f1a PS |
2730 | { |
2731 | size_t tun_key_ofs; | |
2732 | ||
2733 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
2734 | ||
27a8cbbc BP |
2735 | /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */ |
2736 | if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) { | |
9b405f1a PS |
2737 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); |
2738 | } | |
2739 | if (tun_key->ip_src) { | |
2740 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
2741 | } | |
2742 | if (tun_key->ip_dst) { | |
2743 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
2744 | } | |
ffe4c74f JB |
2745 | if (ipv6_addr_is_set(&tun_key->ipv6_src)) { |
2746 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_SRC, &tun_key->ipv6_src); | |
2747 | } | |
2748 | if (ipv6_addr_is_set(&tun_key->ipv6_dst)) { | |
2749 | nl_msg_put_in6_addr(a, OVS_TUNNEL_KEY_ATTR_IPV6_DST, &tun_key->ipv6_dst); | |
2750 | } | |
9b405f1a PS |
2751 | if (tun_key->ip_tos) { |
2752 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
2753 | } | |
2754 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
2755 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
2756 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
2757 | } | |
2758 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
2759 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
2760 | } | |
8b7ea2d4 WZ |
2761 | if (tun_key->tp_src) { |
2762 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_SRC, tun_key->tp_src); | |
2763 | } | |
2764 | if (tun_key->tp_dst) { | |
2765 | nl_msg_put_be16(a, OVS_TUNNEL_KEY_ATTR_TP_DST, tun_key->tp_dst); | |
2766 | } | |
94872594 JG |
2767 | if (tun_key->flags & FLOW_TNL_F_OAM) { |
2768 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
2769 | } | |
ac6073e3 MC |
2770 | if (tun_key->gbp_flags || tun_key->gbp_id) { |
2771 | size_t vxlan_opts_ofs; | |
2772 | ||
2773 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
2774 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, | |
2775 | (tun_key->gbp_flags << 16) | ntohs(tun_key->gbp_id)); | |
2776 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
2777 | } | |
6728d578 | 2778 | tun_metadata_to_geneve_nlattr(tun_key, tun_flow_key, key_buf, a); |
9558d2a5 | 2779 | |
9b405f1a | 2780 | nl_msg_end_nested(a, tun_key_ofs); |
29c7a2b2 PS |
2781 | } |
2782 | ||
b17298ae BP |
2783 | static bool |
2784 | odp_mask_is_constant__(enum ovs_key_attr attr, const void *mask, size_t size, | |
2785 | int constant) | |
2786 | { | |
2787 | /* Convert 'constant' to all the widths we need. C conversion rules ensure | |
2788 | * that -1 becomes all-1-bits and 0 does not change. */ | |
2789 | ovs_be16 be16 = (OVS_FORCE ovs_be16) constant; | |
2790 | uint32_t u32 = constant; | |
2791 | uint8_t u8 = constant; | |
2792 | const struct in6_addr *in6 = constant ? &in6addr_exact : &in6addr_any; | |
2793 | ||
2794 | switch (attr) { | |
2795 | case OVS_KEY_ATTR_UNSPEC: | |
2796 | case OVS_KEY_ATTR_ENCAP: | |
2797 | case __OVS_KEY_ATTR_MAX: | |
2798 | default: | |
2799 | return false; | |
2800 | ||
2801 | case OVS_KEY_ATTR_PRIORITY: | |
2802 | case OVS_KEY_ATTR_IN_PORT: | |
2803 | case OVS_KEY_ATTR_ETHERNET: | |
2804 | case OVS_KEY_ATTR_VLAN: | |
2805 | case OVS_KEY_ATTR_ETHERTYPE: | |
2806 | case OVS_KEY_ATTR_IPV4: | |
2807 | case OVS_KEY_ATTR_TCP: | |
2808 | case OVS_KEY_ATTR_UDP: | |
2809 | case OVS_KEY_ATTR_ICMP: | |
2810 | case OVS_KEY_ATTR_ICMPV6: | |
2811 | case OVS_KEY_ATTR_ND: | |
2812 | case OVS_KEY_ATTR_SKB_MARK: | |
2813 | case OVS_KEY_ATTR_TUNNEL: | |
2814 | case OVS_KEY_ATTR_SCTP: | |
2815 | case OVS_KEY_ATTR_DP_HASH: | |
2816 | case OVS_KEY_ATTR_RECIRC_ID: | |
2817 | case OVS_KEY_ATTR_MPLS: | |
2818 | case OVS_KEY_ATTR_CT_STATE: | |
2819 | case OVS_KEY_ATTR_CT_ZONE: | |
2820 | case OVS_KEY_ATTR_CT_MARK: | |
2821 | case OVS_KEY_ATTR_CT_LABELS: | |
2822 | case OVS_KEY_ATTR_PACKET_TYPE: | |
3d2fbd70 | 2823 | case OVS_KEY_ATTR_NSH: |
b17298ae BP |
2824 | return is_all_byte(mask, size, u8); |
2825 | ||
2826 | case OVS_KEY_ATTR_TCP_FLAGS: | |
2827 | return TCP_FLAGS(*(ovs_be16 *) mask) == TCP_FLAGS(be16); | |
2828 | ||
2829 | case OVS_KEY_ATTR_IPV6: { | |
2830 | const struct ovs_key_ipv6 *ipv6_mask = mask; | |
2831 | return ((ipv6_mask->ipv6_label & htonl(IPV6_LABEL_MASK)) | |
2832 | == htonl(IPV6_LABEL_MASK & u32) | |
2833 | && ipv6_mask->ipv6_proto == u8 | |
2834 | && ipv6_mask->ipv6_tclass == u8 | |
2835 | && ipv6_mask->ipv6_hlimit == u8 | |
2836 | && ipv6_mask->ipv6_frag == u8 | |
2837 | && ipv6_addr_equals(&ipv6_mask->ipv6_src, in6) | |
2838 | && ipv6_addr_equals(&ipv6_mask->ipv6_dst, in6)); | |
2839 | } | |
2840 | ||
2841 | case OVS_KEY_ATTR_ARP: | |
2842 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_arp, arp_tha), u8); | |
2843 | ||
2844 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: | |
2845 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv4, | |
2846 | ipv4_proto), u8); | |
2847 | ||
2848 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: | |
2849 | return is_all_byte(mask, OFFSETOFEND(struct ovs_key_ct_tuple_ipv6, | |
2850 | ipv6_proto), u8); | |
2851 | } | |
2852 | } | |
2853 | ||
2854 | /* The caller must already have verified that 'ma' has a correct length. | |
2855 | * | |
2856 | * The main purpose of this function is formatting, to allow code to figure out | |
2857 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
2858 | * contain sub-attributes, etc., because normally those would be broken down | |
2859 | * further for formatting. */ | |
041e7168 AZ |
2860 | static bool |
2861 | odp_mask_attr_is_wildcard(const struct nlattr *ma) | |
2862 | { | |
b17298ae BP |
2863 | return odp_mask_is_constant__(nl_attr_type(ma), |
2864 | nl_attr_get(ma), nl_attr_get_size(ma), 0); | |
041e7168 AZ |
2865 | } |
2866 | ||
2f73024d | 2867 | /* The caller must already have verified that 'size' is a correct length for |
b17298ae BP |
2868 | * 'attr'. |
2869 | * | |
2870 | * The main purpose of this function is formatting, to allow code to figure out | |
2871 | * whether the mask can be omitted. It doesn't try hard for attributes that | |
2872 | * contain sub-attributes, etc., because normally those would be broken down | |
2873 | * further for formatting. */ | |
e6cc0bab | 2874 | static bool |
d23df9a8 | 2875 | odp_mask_is_exact(enum ovs_key_attr attr, const void *mask, size_t size) |
e6cc0bab | 2876 | { |
b17298ae | 2877 | return odp_mask_is_constant__(attr, mask, size, -1); |
d23df9a8 JR |
2878 | } |
2879 | ||
2f73024d | 2880 | /* The caller must already have verified that 'ma' has a correct length. */ |
d23df9a8 JR |
2881 | static bool |
2882 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
2883 | { | |
d23df9a8 | 2884 | enum ovs_key_attr attr = nl_attr_type(ma); |
a4e8ed0c | 2885 | return odp_mask_is_exact(attr, nl_attr_get(ma), nl_attr_get_size(ma)); |
e6cc0bab AZ |
2886 | } |
2887 | ||
0a37839c GS |
2888 | void |
2889 | odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no, | |
2890 | char *port_name) | |
2891 | { | |
2892 | struct odp_portno_names *odp_portno_names; | |
2893 | ||
2894 | odp_portno_names = xmalloc(sizeof *odp_portno_names); | |
2895 | odp_portno_names->port_no = port_no; | |
2896 | odp_portno_names->name = xstrdup(port_name); | |
2897 | hmap_insert(portno_names, &odp_portno_names->hmap_node, | |
2898 | hash_odp_port(port_no)); | |
2899 | } | |
2900 | ||
2901 | static char * | |
2902 | odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no) | |
2903 | { | |
0722f341 BP |
2904 | if (portno_names) { |
2905 | struct odp_portno_names *odp_portno_names; | |
0a37839c | 2906 | |
0722f341 BP |
2907 | HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node, |
2908 | hash_odp_port(port_no), portno_names) { | |
2909 | if (odp_portno_names->port_no == port_no) { | |
2910 | return odp_portno_names->name; | |
2911 | } | |
0a37839c GS |
2912 | } |
2913 | } | |
2914 | return NULL; | |
2915 | } | |
2916 | ||
2917 | void | |
2918 | odp_portno_names_destroy(struct hmap *portno_names) | |
2919 | { | |
4ec3d7c7 DDP |
2920 | struct odp_portno_names *odp_portno_names; |
2921 | ||
2922 | HMAP_FOR_EACH_POP (odp_portno_names, hmap_node, portno_names) { | |
0a37839c GS |
2923 | free(odp_portno_names->name); |
2924 | free(odp_portno_names); | |
2925 | } | |
2926 | } | |
e6cc0bab | 2927 | |
0722f341 BP |
2928 | void |
2929 | odp_portno_name_format(const struct hmap *portno_names, odp_port_t port_no, | |
2930 | struct ds *s) | |
2931 | { | |
2932 | const char *name = odp_portno_names_get(portno_names, port_no); | |
2933 | if (name) { | |
2934 | ds_put_cstr(s, name); | |
2935 | } else { | |
2936 | ds_put_format(s, "%"PRIu32, port_no); | |
2937 | } | |
2938 | } | |
2939 | ||
2d18eae8 JR |
2940 | /* Format helpers. */ |
2941 | ||
2942 | static void | |
74ff3298 JR |
2943 | format_eth(struct ds *ds, const char *name, const struct eth_addr key, |
2944 | const struct eth_addr *mask, bool verbose) | |
2d18eae8 JR |
2945 | { |
2946 | bool mask_empty = mask && eth_addr_is_zero(*mask); | |
2947 | ||
2948 | if (verbose || !mask_empty) { | |
2949 | bool mask_full = !mask || eth_mask_is_exact(*mask); | |
2950 | ||
2951 | if (mask_full) { | |
2952 | ds_put_format(ds, "%s="ETH_ADDR_FMT",", name, ETH_ADDR_ARGS(key)); | |
2953 | } else { | |
2954 | ds_put_format(ds, "%s=", name); | |
74ff3298 | 2955 | eth_format_masked(key, mask, ds); |
2d18eae8 JR |
2956 | ds_put_char(ds, ','); |
2957 | } | |
2958 | } | |
2959 | } | |
2960 | ||
1fc11c59 | 2961 | |
2d18eae8 JR |
2962 | static void |
2963 | format_be64(struct ds *ds, const char *name, ovs_be64 key, | |
2964 | const ovs_be64 *mask, bool verbose) | |
2965 | { | |
2966 | bool mask_empty = mask && !*mask; | |
2967 | ||
2968 | if (verbose || !mask_empty) { | |
2969 | bool mask_full = !mask || *mask == OVS_BE64_MAX; | |
2970 | ||
2971 | ds_put_format(ds, "%s=0x%"PRIx64, name, ntohll(key)); | |
2972 | if (!mask_full) { /* Partially masked. */ | |
2973 | ds_put_format(ds, "/%#"PRIx64, ntohll(*mask)); | |
2974 | } | |
2975 | ds_put_char(ds, ','); | |
2976 | } | |
2977 | } | |
2978 | ||
2979 | static void | |
2980 | format_ipv4(struct ds *ds, const char *name, ovs_be32 key, | |
2981 | const ovs_be32 *mask, bool verbose) | |
2982 | { | |
2983 | bool mask_empty = mask && !*mask; | |
2984 | ||
2985 | if (verbose || !mask_empty) { | |
2986 | bool mask_full = !mask || *mask == OVS_BE32_MAX; | |
2987 | ||
2988 | ds_put_format(ds, "%s="IP_FMT, name, IP_ARGS(key)); | |
2989 | if (!mask_full) { /* Partially masked. */ | |
2990 | ds_put_format(ds, "/"IP_FMT, IP_ARGS(*mask)); | |
2991 | } | |
2992 | ds_put_char(ds, ','); | |
2993 | } | |
2994 | } | |
2995 | ||
2996 | static void | |
d15aef48 JB |
2997 | format_in6_addr(struct ds *ds, const char *name, |
2998 | const struct in6_addr *key, | |
2999 | const struct in6_addr *mask, | |
3000 | bool verbose) | |
2d18eae8 JR |
3001 | { |
3002 | char buf[INET6_ADDRSTRLEN]; | |
2d18eae8 JR |
3003 | bool mask_empty = mask && ipv6_mask_is_any(mask); |
3004 | ||
3005 | if (verbose || !mask_empty) { | |
3006 | bool mask_full = !mask || ipv6_mask_is_exact(mask); | |
3007 | ||
3008 | inet_ntop(AF_INET6, key, buf, sizeof buf); | |
3009 | ds_put_format(ds, "%s=%s", name, buf); | |
3010 | if (!mask_full) { /* Partially masked. */ | |
3011 | inet_ntop(AF_INET6, mask, buf, sizeof buf); | |
3012 | ds_put_format(ds, "/%s", buf); | |
3013 | } | |
3014 | ds_put_char(ds, ','); | |
3015 | } | |
3016 | } | |
3017 | ||
3018 | static void | |
3019 | format_ipv6_label(struct ds *ds, const char *name, ovs_be32 key, | |
3020 | const ovs_be32 *mask, bool verbose) | |
3021 | { | |
3022 | bool mask_empty = mask && !*mask; | |
3023 | ||
3024 | if (verbose || !mask_empty) { | |
3025 | bool mask_full = !mask | |
3026 | || (*mask & htonl(IPV6_LABEL_MASK)) == htonl(IPV6_LABEL_MASK); | |
3027 | ||
3028 | ds_put_format(ds, "%s=%#"PRIx32, name, ntohl(key)); | |
3029 | if (!mask_full) { /* Partially masked. */ | |
3030 | ds_put_format(ds, "/%#"PRIx32, ntohl(*mask)); | |
3031 | } | |
3032 | ds_put_char(ds, ','); | |
3033 | } | |
3034 | } | |
3035 | ||
3036 | static void | |
3037 | format_u8x(struct ds *ds, const char *name, uint8_t key, | |
3038 | const uint8_t *mask, bool verbose) | |
3039 | { | |
3040 | bool mask_empty = mask && !*mask; | |
3041 | ||
3042 | if (verbose || !mask_empty) { | |
3043 | bool mask_full = !mask || *mask == UINT8_MAX; | |
3044 | ||
3045 | ds_put_format(ds, "%s=%#"PRIx8, name, key); | |
3046 | if (!mask_full) { /* Partially masked. */ | |
3047 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
3048 | } | |
3049 | ds_put_char(ds, ','); | |
3050 | } | |
3051 | } | |
3052 | ||
3053 | static void | |
3054 | format_u8u(struct ds *ds, const char *name, uint8_t key, | |
3055 | const uint8_t *mask, bool verbose) | |
3056 | { | |
3057 | bool mask_empty = mask && !*mask; | |
3058 | ||
3059 | if (verbose || !mask_empty) { | |
3060 | bool mask_full = !mask || *mask == UINT8_MAX; | |
3061 | ||
3062 | ds_put_format(ds, "%s=%"PRIu8, name, key); | |
3063 | if (!mask_full) { /* Partially masked. */ | |
3064 | ds_put_format(ds, "/%#"PRIx8, *mask); | |
3065 | } | |
3066 | ds_put_char(ds, ','); | |
3067 | } | |
3068 | } | |
3069 | ||
3070 | static void | |
3071 | format_be16(struct ds *ds, const char *name, ovs_be16 key, | |
3072 | const ovs_be16 *mask, bool verbose) | |
3073 | { | |
3074 | bool mask_empty = mask && !*mask; | |
3075 | ||
3076 | if (verbose || !mask_empty) { | |
3077 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
3078 | ||
3079 | ds_put_format(ds, "%s=%"PRIu16, name, ntohs(key)); | |
3080 | if (!mask_full) { /* Partially masked. */ | |
3081 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
3082 | } | |
3083 | ds_put_char(ds, ','); | |
3084 | } | |
3085 | } | |
3086 | ||
622a0a8e JG |
3087 | static void |
3088 | format_be16x(struct ds *ds, const char *name, ovs_be16 key, | |
3089 | const ovs_be16 *mask, bool verbose) | |
3090 | { | |
3091 | bool mask_empty = mask && !*mask; | |
3092 | ||
3093 | if (verbose || !mask_empty) { | |
3094 | bool mask_full = !mask || *mask == OVS_BE16_MAX; | |
3095 | ||
3096 | ds_put_format(ds, "%s=%#"PRIx16, name, ntohs(key)); | |
3097 | if (!mask_full) { /* Partially masked. */ | |
3098 | ds_put_format(ds, "/%#"PRIx16, ntohs(*mask)); | |
3099 | } | |
3100 | ds_put_char(ds, ','); | |
3101 | } | |
3102 | } | |
3103 | ||
2d18eae8 JR |
3104 | static void |
3105 | format_tun_flags(struct ds *ds, const char *name, uint16_t key, | |
3106 | const uint16_t *mask, bool verbose) | |
3107 | { | |
3108 | bool mask_empty = mask && !*mask; | |
3109 | ||
3110 | if (verbose || !mask_empty) { | |
2d18eae8 JR |
3111 | ds_put_cstr(ds, name); |
3112 | ds_put_char(ds, '('); | |
8e4c1621 JG |
3113 | if (mask) { |
3114 | format_flags_masked(ds, NULL, flow_tun_flag_to_string, key, | |
3115 | *mask & FLOW_TNL_F_MASK, FLOW_TNL_F_MASK); | |
2d18eae8 | 3116 | } else { /* Fully masked. */ |
8e4c1621 | 3117 | format_flags(ds, flow_tun_flag_to_string, key, '|'); |
2d18eae8 JR |
3118 | } |
3119 | ds_put_cstr(ds, "),"); | |
3120 | } | |
3121 | } | |
3122 | ||
65da723b JG |
3123 | static bool |
3124 | check_attr_len(struct ds *ds, const struct nlattr *a, const struct nlattr *ma, | |
ce9c9b8b | 3125 | const struct attr_len_tbl tbl[], int max_type, bool need_key) |
65da723b JG |
3126 | { |
3127 | int expected_len; | |
3128 | ||
ce9c9b8b | 3129 | expected_len = odp_key_attr_len(tbl, max_type, nl_attr_type(a)); |
65da723b JG |
3130 | if (expected_len != ATTR_LEN_VARIABLE && |
3131 | expected_len != ATTR_LEN_NESTED) { | |
3132 | ||
3133 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
3134 | bool bad_mask_len = ma && nl_attr_get_size(ma) != expected_len; | |
3135 | ||
3136 | if (bad_key_len || bad_mask_len) { | |
3137 | if (need_key) { | |
3138 | ds_put_format(ds, "key%u", nl_attr_type(a)); | |
3139 | } | |
3140 | if (bad_key_len) { | |
3141 | ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(", | |
3142 | nl_attr_get_size(a), expected_len); | |
3143 | } | |
3144 | format_generic_odp_key(a, ds); | |
3145 | if (ma) { | |
3146 | ds_put_char(ds, '/'); | |
3147 | if (bad_mask_len) { | |
3148 | ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(", | |
3149 | nl_attr_get_size(ma), expected_len); | |
3150 | } | |
3151 | format_generic_odp_key(ma, ds); | |
3152 | } | |
3153 | ds_put_char(ds, ')'); | |
3154 | return false; | |
3155 | } | |
3156 | } | |
3157 | ||
3158 | return true; | |
3159 | } | |
3160 | ||
3161 | static void | |
3162 | format_unknown_key(struct ds *ds, const struct nlattr *a, | |
3163 | const struct nlattr *ma) | |
3164 | { | |
3165 | ds_put_format(ds, "key%u(", nl_attr_type(a)); | |
3166 | format_generic_odp_key(a, ds); | |
3167 | if (ma && !odp_mask_attr_is_exact(ma)) { | |
3168 | ds_put_char(ds, '/'); | |
3169 | format_generic_odp_key(ma, ds); | |
3170 | } | |
3171 | ds_put_cstr(ds, "),"); | |
3172 | } | |
3173 | ||
3174 | static void | |
3175 | format_odp_tun_vxlan_opt(const struct nlattr *attr, | |
3176 | const struct nlattr *mask_attr, struct ds *ds, | |
3177 | bool verbose) | |
3178 | { | |
3179 | unsigned int left; | |
3180 | const struct nlattr *a; | |
3181 | struct ofpbuf ofp; | |
3182 | ||
3183 | ofpbuf_init(&ofp, 100); | |
3184 | NL_NESTED_FOR_EACH(a, left, attr) { | |
3185 | uint16_t type = nl_attr_type(a); | |
3186 | const struct nlattr *ma = NULL; | |
3187 | ||
3188 | if (mask_attr) { | |
3189 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3190 | nl_attr_get_size(mask_attr), type); | |
3191 | if (!ma) { | |
3192 | ma = generate_all_wildcard_mask(ovs_vxlan_ext_attr_lens, | |
3193 | OVS_VXLAN_EXT_MAX, | |
3194 | &ofp, a); | |
3195 | } | |
3196 | } | |
3197 | ||
3198 | if (!check_attr_len(ds, a, ma, ovs_vxlan_ext_attr_lens, | |
3199 | OVS_VXLAN_EXT_MAX, true)) { | |
3200 | continue; | |
3201 | } | |
3202 | ||
3203 | switch (type) { | |
3204 | case OVS_VXLAN_EXT_GBP: { | |
3205 | uint32_t key = nl_attr_get_u32(a); | |
3206 | ovs_be16 id, id_mask; | |
498535c3 | 3207 | uint8_t flags, flags_mask = 0; |
65da723b JG |
3208 | |
3209 | id = htons(key & 0xFFFF); | |
3210 | flags = (key >> 16) & 0xFF; | |
3211 | if (ma) { | |
3212 | uint32_t mask = nl_attr_get_u32(ma); | |
3213 | id_mask = htons(mask & 0xFFFF); | |
3214 | flags_mask = (mask >> 16) & 0xFF; | |
3215 | } | |
3216 | ||
3217 | ds_put_cstr(ds, "gbp("); | |
3218 | format_be16(ds, "id", id, ma ? &id_mask : NULL, verbose); | |
3219 | format_u8x(ds, "flags", flags, ma ? &flags_mask : NULL, verbose); | |
3220 | ds_chomp(ds, ','); | |
3221 | ds_put_cstr(ds, "),"); | |
3222 | break; | |
3223 | } | |
3224 | ||
3225 | default: | |
3226 | format_unknown_key(ds, a, ma); | |
3227 | } | |
3228 | ofpbuf_clear(&ofp); | |
3229 | } | |
3230 | ||
3231 | ds_chomp(ds, ','); | |
3232 | ofpbuf_uninit(&ofp); | |
3233 | } | |
3234 | ||
622a0a8e JG |
3235 | #define MASK(PTR, FIELD) PTR ? &PTR->FIELD : NULL |
3236 | ||
3237 | static void | |
5bb08b0e JG |
3238 | format_geneve_opts(const struct geneve_opt *opt, |
3239 | const struct geneve_opt *mask, int opts_len, | |
3240 | struct ds *ds, bool verbose) | |
622a0a8e | 3241 | { |
622a0a8e JG |
3242 | while (opts_len > 0) { |
3243 | unsigned int len; | |
3244 | uint8_t data_len, data_len_mask; | |
3245 | ||
3246 | if (opts_len < sizeof *opt) { | |
3247 | ds_put_format(ds, "opt len %u less than minimum %"PRIuSIZE, | |
3248 | opts_len, sizeof *opt); | |
3249 | return; | |
3250 | } | |
3251 | ||
3252 | data_len = opt->length * 4; | |
3253 | if (mask) { | |
3254 | if (mask->length == 0x1f) { | |
3255 | data_len_mask = UINT8_MAX; | |
3256 | } else { | |
3257 | data_len_mask = mask->length; | |
3258 | } | |
3259 | } | |
3260 | len = sizeof *opt + data_len; | |
3261 | if (len > opts_len) { | |
3262 | ds_put_format(ds, "opt len %u greater than remaining %u", | |
3263 | len, opts_len); | |
3264 | return; | |
3265 | } | |
3266 | ||
3267 | ds_put_char(ds, '{'); | |
3268 | format_be16x(ds, "class", opt->opt_class, MASK(mask, opt_class), | |
3269 | verbose); | |
3270 | format_u8x(ds, "type", opt->type, MASK(mask, type), verbose); | |
3271 | format_u8u(ds, "len", data_len, mask ? &data_len_mask : NULL, verbose); | |
1cb20095 JG |
3272 | if (data_len && |
3273 | (verbose || !mask || !is_all_zeros(mask + 1, data_len))) { | |
622a0a8e JG |
3274 | ds_put_hex(ds, opt + 1, data_len); |
3275 | if (mask && !is_all_ones(mask + 1, data_len)) { | |
3276 | ds_put_char(ds, '/'); | |
3277 | ds_put_hex(ds, mask + 1, data_len); | |
3278 | } | |
3279 | } else { | |
3280 | ds_chomp(ds, ','); | |
3281 | } | |
3282 | ds_put_char(ds, '}'); | |
3283 | ||
3284 | opt += len / sizeof(*opt); | |
3285 | if (mask) { | |
3286 | mask += len / sizeof(*opt); | |
3287 | } | |
3288 | opts_len -= len; | |
3289 | }; | |
3290 | } | |
3291 | ||
5bb08b0e JG |
3292 | static void |
3293 | format_odp_tun_geneve(const struct nlattr *attr, | |
3294 | const struct nlattr *mask_attr, struct ds *ds, | |
3295 | bool verbose) | |
3296 | { | |
3297 | int opts_len = nl_attr_get_size(attr); | |
3298 | const struct geneve_opt *opt = nl_attr_get(attr); | |
3299 | const struct geneve_opt *mask = mask_attr ? | |
3300 | nl_attr_get(mask_attr) : NULL; | |
3301 | ||
3302 | if (mask && nl_attr_get_size(attr) != nl_attr_get_size(mask_attr)) { | |
3303 | ds_put_format(ds, "value len %"PRIuSIZE" different from mask len %"PRIuSIZE, | |
3304 | nl_attr_get_size(attr), nl_attr_get_size(mask_attr)); | |
3305 | return; | |
3306 | } | |
3307 | ||
3308 | format_geneve_opts(opt, mask, opts_len, ds, verbose); | |
3309 | } | |
3310 | ||
f59cb331 YY |
3311 | static void |
3312 | format_odp_nsh_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
3313 | struct ds *ds) | |
3314 | { | |
3315 | unsigned int left; | |
3316 | const struct nlattr *a; | |
3317 | struct ovs_key_nsh nsh; | |
3318 | struct ovs_key_nsh nsh_mask; | |
3319 | ||
3320 | memset(&nsh, 0, sizeof nsh); | |
3321 | memset(&nsh_mask, 0xff, sizeof nsh_mask); | |
3322 | ||
3323 | NL_NESTED_FOR_EACH (a, left, attr) { | |
3324 | enum ovs_nsh_key_attr type = nl_attr_type(a); | |
3325 | const struct nlattr *ma = NULL; | |
3326 | ||
3327 | if (mask_attr) { | |
3328 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3329 | nl_attr_get_size(mask_attr), type); | |
3330 | } | |
3331 | ||
3332 | if (!check_attr_len(ds, a, ma, ovs_nsh_key_attr_lens, | |
3333 | OVS_NSH_KEY_ATTR_MAX, true)) { | |
3334 | continue; | |
3335 | } | |
3336 | ||
3337 | switch (type) { | |
3338 | case OVS_NSH_KEY_ATTR_UNSPEC: | |
3339 | break; | |
3340 | case OVS_NSH_KEY_ATTR_BASE: { | |
17553f27 YY |
3341 | const struct ovs_nsh_key_base *base = nl_attr_get(a); |
3342 | const struct ovs_nsh_key_base *base_mask | |
f59cb331 YY |
3343 | = ma ? nl_attr_get(ma) : NULL; |
3344 | nsh.flags = base->flags; | |
17553f27 | 3345 | nsh.ttl = base->ttl; |
f59cb331 YY |
3346 | nsh.mdtype = base->mdtype; |
3347 | nsh.np = base->np; | |
3348 | nsh.path_hdr = base->path_hdr; | |
3349 | if (base_mask) { | |
3350 | nsh_mask.flags = base_mask->flags; | |
17553f27 | 3351 | nsh_mask.ttl = base_mask->ttl; |
f59cb331 YY |
3352 | nsh_mask.mdtype = base_mask->mdtype; |
3353 | nsh_mask.np = base_mask->np; | |
3354 | nsh_mask.path_hdr = base_mask->path_hdr; | |
3355 | } | |
3356 | break; | |
3357 | } | |
3358 | case OVS_NSH_KEY_ATTR_MD1: { | |
17553f27 YY |
3359 | const struct ovs_nsh_key_md1 *md1 = nl_attr_get(a); |
3360 | const struct ovs_nsh_key_md1 *md1_mask | |
f59cb331 YY |
3361 | = ma ? nl_attr_get(ma) : NULL; |
3362 | memcpy(nsh.context, md1->context, sizeof md1->context); | |
3363 | if (md1_mask) { | |
3364 | memcpy(nsh_mask.context, md1_mask->context, | |
3365 | sizeof md1_mask->context); | |
3366 | } | |
3367 | break; | |
3368 | } | |
3369 | case OVS_NSH_KEY_ATTR_MD2: | |
3370 | case __OVS_NSH_KEY_ATTR_MAX: | |
3371 | default: | |
3372 | /* No support for matching other metadata formats yet. */ | |
3373 | break; | |
3374 | } | |
3375 | } | |
3376 | ||
3377 | if (mask_attr) { | |
3378 | format_nsh_key_mask(ds, &nsh, &nsh_mask); | |
3379 | } else { | |
3380 | format_nsh_key(ds, &nsh); | |
3381 | } | |
3382 | } | |
3383 | ||
65da723b JG |
3384 | static void |
3385 | format_odp_tun_attr(const struct nlattr *attr, const struct nlattr *mask_attr, | |
3386 | struct ds *ds, bool verbose) | |
3387 | { | |
3388 | unsigned int left; | |
3389 | const struct nlattr *a; | |
3390 | uint16_t flags = 0; | |
3391 | uint16_t mask_flags = 0; | |
3392 | struct ofpbuf ofp; | |
3393 | ||
3394 | ofpbuf_init(&ofp, 100); | |
3395 | NL_NESTED_FOR_EACH(a, left, attr) { | |
3396 | enum ovs_tunnel_key_attr type = nl_attr_type(a); | |
3397 | const struct nlattr *ma = NULL; | |
3398 | ||
3399 | if (mask_attr) { | |
3400 | ma = nl_attr_find__(nl_attr_get(mask_attr), | |
3401 | nl_attr_get_size(mask_attr), type); | |
3402 | if (!ma) { | |
3403 | ma = generate_all_wildcard_mask(ovs_tun_key_attr_lens, | |
3404 | OVS_TUNNEL_KEY_ATTR_MAX, | |
3405 | &ofp, a); | |
3406 | } | |
3407 | } | |
3408 | ||
3409 | if (!check_attr_len(ds, a, ma, ovs_tun_key_attr_lens, | |
3410 | OVS_TUNNEL_KEY_ATTR_MAX, true)) { | |
3411 | continue; | |
3412 | } | |
3413 | ||
3414 | switch (type) { | |
3415 | case OVS_TUNNEL_KEY_ATTR_ID: | |
3416 | format_be64(ds, "tun_id", nl_attr_get_be64(a), | |
3417 | ma ? nl_attr_get(ma) : NULL, verbose); | |
d39ec23d | 3418 | flags |= FLOW_TNL_F_KEY; |
65da723b JG |
3419 | if (ma) { |
3420 | mask_flags |= FLOW_TNL_F_KEY; | |
3421 | } | |
3422 | break; | |
3423 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
3424 | format_ipv4(ds, "src", nl_attr_get_be32(a), | |
3425 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3426 | break; | |
3427 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
3428 | format_ipv4(ds, "dst", nl_attr_get_be32(a), | |
3429 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3430 | break; | |
ffe4c74f JB |
3431 | case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: { |
3432 | struct in6_addr ipv6_src; | |
3433 | ipv6_src = nl_attr_get_in6_addr(a); | |
3434 | format_in6_addr(ds, "ipv6_src", &ipv6_src, | |
3435 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3436 | break; | |
3437 | } | |
3438 | case OVS_TUNNEL_KEY_ATTR_IPV6_DST: { | |
3439 | struct in6_addr ipv6_dst; | |
3440 | ipv6_dst = nl_attr_get_in6_addr(a); | |
3441 | format_in6_addr(ds, "ipv6_dst", &ipv6_dst, | |
3442 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3443 | break; | |
3444 | } | |
65da723b JG |
3445 | case OVS_TUNNEL_KEY_ATTR_TOS: |
3446 | format_u8x(ds, "tos", nl_attr_get_u8(a), | |
3447 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3448 | break; | |
3449 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
3450 | format_u8u(ds, "ttl", nl_attr_get_u8(a), | |
3451 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3452 | break; | |
3453 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
d39ec23d | 3454 | flags |= FLOW_TNL_F_DONT_FRAGMENT; |
65da723b JG |
3455 | break; |
3456 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
d39ec23d | 3457 | flags |= FLOW_TNL_F_CSUM; |
65da723b JG |
3458 | break; |
3459 | case OVS_TUNNEL_KEY_ATTR_TP_SRC: | |
3460 | format_be16(ds, "tp_src", nl_attr_get_be16(a), | |
3461 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3462 | break; | |
3463 | case OVS_TUNNEL_KEY_ATTR_TP_DST: | |
3464 | format_be16(ds, "tp_dst", nl_attr_get_be16(a), | |
3465 | ma ? nl_attr_get(ma) : NULL, verbose); | |
3466 | break; | |
3467 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
d39ec23d | 3468 | flags |= FLOW_TNL_F_OAM; |
65da723b JG |
3469 | break; |
3470 | case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS: | |
3471 | ds_put_cstr(ds, "vxlan("); | |
3472 | format_odp_tun_vxlan_opt(a, ma, ds, verbose); | |
3473 | ds_put_cstr(ds, "),"); | |
3474 | break; | |
3475 | case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS: | |
622a0a8e JG |
3476 | ds_put_cstr(ds, "geneve("); |
3477 | format_odp_tun_geneve(a, ma, ds, verbose); | |
3478 | ds_put_cstr(ds, "),"); | |
3479 | break; | |
f3464818 PS |
3480 | case OVS_TUNNEL_KEY_ATTR_PAD: |
3481 | break; | |
65da723b JG |
3482 | case __OVS_TUNNEL_KEY_ATTR_MAX: |
3483 | default: | |
3484 | format_unknown_key(ds, a, ma); | |
3485 | } | |
3486 | ofpbuf_clear(&ofp); | |
3487 | } | |
3488 | ||
3489 | /* Flags can have a valid mask even if the attribute is not set, so | |
3490 | * we need to collect these separately. */ | |
3491 | if (mask_attr) { | |
3492 | NL_NESTED_FOR_EACH(a, left, mask_attr) { | |
3493 | switch (nl_attr_type(a)) { | |
3494 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
3495 | mask_flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
3496 | break; | |
3497 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
3498 | mask_flags |= FLOW_TNL_F_CSUM; | |
3499 | break; | |
3500 | case OVS_TUNNEL_KEY_ATTR_OAM: | |
3501 | mask_flags |= FLOW_TNL_F_OAM; | |
3502 | break; | |
3503 | } | |
3504 | } | |
3505 | } | |
3506 | ||
3507 | format_tun_flags(ds, "flags", flags, mask_attr ? &mask_flags : NULL, | |
3508 | verbose); | |
3509 | ds_chomp(ds, ','); | |
3510 | ofpbuf_uninit(&ofp); | |
3511 | } | |
3512 | ||
07659514 JS |
3513 | static const char * |
3514 | odp_ct_state_to_string(uint32_t flag) | |
3515 | { | |
3516 | switch (flag) { | |
3517 | case OVS_CS_F_REPLY_DIR: | |
3518 | return "rpl"; | |
3519 | case OVS_CS_F_TRACKED: | |
3520 | return "trk"; | |
3521 | case OVS_CS_F_NEW: | |
3522 | return "new"; | |
3523 | case OVS_CS_F_ESTABLISHED: | |
3524 | return "est"; | |
3525 | case OVS_CS_F_RELATED: | |
3526 | return "rel"; | |
3527 | case OVS_CS_F_INVALID: | |
3528 | return "inv"; | |
819571b5 DDP |
3529 | case OVS_CS_F_SRC_NAT: |
3530 | return "snat"; | |
3531 | case OVS_CS_F_DST_NAT: | |
3532 | return "dnat"; | |
07659514 JS |
3533 | default: |
3534 | return NULL; | |
3535 | } | |
3536 | } | |
3537 | ||
2d18eae8 JR |
3538 | static void |
3539 | format_frag(struct ds *ds, const char *name, uint8_t key, | |
08fa0266 | 3540 | const uint8_t *mask, bool verbose OVS_UNUSED) |
2d18eae8 JR |
3541 | { |
3542 | bool mask_empty = mask && !*mask; | |
08fa0266 | 3543 | bool mask_full = !mask || *mask == UINT8_MAX; |
2d18eae8 JR |
3544 | |
3545 | /* ODP frag is an enumeration field; partial masks are not meaningful. */ | |
08fa0266 PB |
3546 | if (!mask_empty && !mask_full) { |
3547 | ds_put_format(ds, "error: partial mask not supported for frag (%#" | |
3548 | PRIx8"),", *mask); | |
3549 | } else if (!mask_empty) { | |
3550 | ds_put_format(ds, "%s=%s,", name, ovs_frag_type_to_string(key)); | |
2d18eae8 JR |
3551 | } |
3552 | } | |
3553 | ||
07659514 JS |
3554 | static bool |
3555 | mask_empty(const struct nlattr *ma) | |
3556 | { | |
3557 | const void *mask; | |
3558 | size_t n; | |
3559 | ||
3560 | if (!ma) { | |
3561 | return true; | |
3562 | } | |
3563 | mask = nl_attr_get(ma); | |
3564 | n = nl_attr_get_size(ma); | |
3565 | ||
3566 | return is_all_zeros(mask, n); | |
3567 | } | |
3568 | ||
2f73024d BP |
3569 | /* The caller must have already verified that 'a' and 'ma' have correct |
3570 | * lengths. */ | |
36956a7d | 3571 | static void |
2f73024d BP |
3572 | format_odp_key_attr__(const struct nlattr *a, const struct nlattr *ma, |
3573 | const struct hmap *portno_names, struct ds *ds, | |
3574 | bool verbose) | |
36956a7d | 3575 | { |
7a8e9ed2 | 3576 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 3577 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
dc8c5408 | 3578 | bool is_exact; |
36956a7d | 3579 | |
dc8c5408 | 3580 | is_exact = ma ? odp_mask_attr_is_exact(ma) : true; |
e6cc0bab | 3581 | |
e6603631 | 3582 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab | 3583 | |
e6cc0bab | 3584 | ds_put_char(ds, '('); |
7a8e9ed2 | 3585 | switch (attr) { |
fea393b1 | 3586 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
3587 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
3588 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
0a37839c | 3589 | nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds, |
041e7168 | 3590 | verbose); |
0a37839c GS |
3591 | } else if (nl_attr_get_size(a)) { |
3592 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL, | |
3593 | ds, verbose); | |
fea393b1 | 3594 | } |
fea393b1 BP |
3595 | break; |
3596 | ||
abff858b | 3597 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 3598 | case OVS_KEY_ATTR_SKB_MARK: |
572f732a AZ |
3599 | case OVS_KEY_ATTR_DP_HASH: |
3600 | case OVS_KEY_ATTR_RECIRC_ID: | |
e6cc0bab | 3601 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
dc8c5408 | 3602 | if (!is_exact) { |
e6cc0bab AZ |
3603 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
3604 | } | |
72e8bf28 AA |
3605 | break; |
3606 | ||
8e53fe8c JS |
3607 | case OVS_KEY_ATTR_CT_MARK: |
3608 | if (verbose || !mask_empty(ma)) { | |
3609 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
3610 | if (!is_exact) { | |
3611 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
3612 | } | |
3613 | } | |
3614 | break; | |
3615 | ||
07659514 JS |
3616 | case OVS_KEY_ATTR_CT_STATE: |
3617 | if (verbose) { | |
3618 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); | |
3619 | if (!is_exact) { | |
3620 | ds_put_format(ds, "/%#"PRIx32, | |
3621 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma)); | |
3622 | } | |
3623 | } else if (!is_exact) { | |
3624 | format_flags_masked(ds, NULL, odp_ct_state_to_string, | |
3625 | nl_attr_get_u32(a), | |
3626 | mask_empty(ma) ? 0 : nl_attr_get_u32(ma), | |
3627 | UINT32_MAX); | |
3628 | } else { | |
3629 | format_flags(ds, odp_ct_state_to_string, nl_attr_get_u32(a), '|'); | |
3630 | } | |
3631 | break; | |
3632 | ||
3633 | case OVS_KEY_ATTR_CT_ZONE: | |
3634 | if (verbose || !mask_empty(ma)) { | |
3635 | ds_put_format(ds, "%#"PRIx16, nl_attr_get_u16(a)); | |
3636 | if (!is_exact) { | |
3637 | ds_put_format(ds, "/%#"PRIx16, nl_attr_get_u16(ma)); | |
3638 | } | |
3639 | } | |
3640 | break; | |
3641 | ||
9daf2348 | 3642 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 BP |
3643 | const ovs_32aligned_u128 *value = nl_attr_get(a); |
3644 | const ovs_32aligned_u128 *mask = ma ? nl_attr_get(ma) : NULL; | |
9daf2348 JS |
3645 | |
3646 | format_u128(ds, value, mask, verbose); | |
3647 | break; | |
3648 | } | |
07659514 | 3649 | |
c30b4cea JR |
3650 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
3651 | const struct ovs_key_ct_tuple_ipv4 *key = nl_attr_get(a); | |
3652 | const struct ovs_key_ct_tuple_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
3653 | ||
3654 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
3655 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
3656 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
3657 | verbose); | |
3658 | format_be16(ds, "tp_src", key->src_port, MASK(mask, src_port), | |
3659 | verbose); | |
3660 | format_be16(ds, "tp_dst", key->dst_port, MASK(mask, dst_port), | |
3661 | verbose); | |
3662 | ds_chomp(ds, ','); | |
3663 | break; | |
3664 | } | |
3665 | ||
3666 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
3667 | const struct ovs_key_ct_tuple_ipv6 *key = nl_attr_get(a); | |
3668 | const struct ovs_key_ct_tuple_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
3669 | ||
3670 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), | |
3671 | verbose); | |
3672 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
3673 | verbose); | |
3674 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
3675 | verbose); | |
3676 | format_be16(ds, "src_port", key->src_port, MASK(mask, src_port), | |
3677 | verbose); | |
3678 | format_be16(ds, "dst_port", key->dst_port, MASK(mask, dst_port), | |
3679 | verbose); | |
3680 | ds_chomp(ds, ','); | |
3681 | break; | |
3682 | } | |
3683 | ||
65da723b JG |
3684 | case OVS_KEY_ATTR_TUNNEL: |
3685 | format_odp_tun_attr(a, ma, ds, verbose); | |
356af50b | 3686 | break; |
65da723b | 3687 | |
df2c07f4 | 3688 | case OVS_KEY_ATTR_IN_PORT: |
0722f341 BP |
3689 | if (is_exact) { |
3690 | odp_portno_name_format(portno_names, nl_attr_get_odp_port(a), ds); | |
0a37839c GS |
3691 | } else { |
3692 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); | |
3693 | if (!is_exact) { | |
3694 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
3695 | } | |
e6cc0bab | 3696 | } |
36956a7d BP |
3697 | break; |
3698 | ||
beb75a40 | 3699 | case OVS_KEY_ATTR_PACKET_TYPE: { |
3d4b2e6e JS |
3700 | ovs_be32 value = nl_attr_get_be32(a); |
3701 | ovs_be32 mask = ma ? nl_attr_get_be32(ma) : OVS_BE32_MAX; | |
beb75a40 | 3702 | |
3d4b2e6e JS |
3703 | ovs_be16 ns = htons(pt_ns(value)); |
3704 | ovs_be16 ns_mask = htons(pt_ns(mask)); | |
3705 | format_be16(ds, "ns", ns, &ns_mask, verbose); | |
beb75a40 | 3706 | |
3d4b2e6e JS |
3707 | ovs_be16 ns_type = pt_ns_type_be(value); |
3708 | ovs_be16 ns_type_mask = pt_ns_type_be(mask); | |
3709 | format_be16x(ds, "id", ns_type, &ns_type_mask, verbose); | |
3710 | ||
3711 | ds_chomp(ds, ','); | |
beb75a40 JS |
3712 | break; |
3713 | } | |
3714 | ||
2d18eae8 JR |
3715 | case OVS_KEY_ATTR_ETHERNET: { |
3716 | const struct ovs_key_ethernet *mask = ma ? nl_attr_get(ma) : NULL; | |
3717 | const struct ovs_key_ethernet *key = nl_attr_get(a); | |
e6cc0bab | 3718 | |
2d18eae8 JR |
3719 | format_eth(ds, "src", key->eth_src, MASK(mask, eth_src), verbose); |
3720 | format_eth(ds, "dst", key->eth_dst, MASK(mask, eth_dst), verbose); | |
3721 | ds_chomp(ds, ','); | |
36956a7d | 3722 | break; |
2d18eae8 | 3723 | } |
fea393b1 | 3724 | case OVS_KEY_ATTR_VLAN: |
2d18eae8 JR |
3725 | format_vlan_tci(ds, nl_attr_get_be16(a), |
3726 | ma ? nl_attr_get_be16(ma) : OVS_BE16_MAX, verbose); | |
36956a7d BP |
3727 | break; |
3728 | ||
b02475c5 SH |
3729 | case OVS_KEY_ATTR_MPLS: { |
3730 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab | 3731 | const struct ovs_key_mpls *mpls_mask = NULL; |
8bfd0fda BP |
3732 | size_t size = nl_attr_get_size(a); |
3733 | ||
3734 | if (!size || size % sizeof *mpls_key) { | |
6d670e7f | 3735 | ds_put_format(ds, "(bad key length %"PRIuSIZE")", size); |
8bfd0fda BP |
3736 | return; |
3737 | } | |
dc8c5408 | 3738 | if (!is_exact) { |
e6cc0bab | 3739 | mpls_mask = nl_attr_get(ma); |
6d670e7f | 3740 | if (size != nl_attr_get_size(ma)) { |
8bfd0fda BP |
3741 | ds_put_format(ds, "(key length %"PRIuSIZE" != " |
3742 | "mask length %"PRIuSIZE")", | |
6d670e7f | 3743 | size, nl_attr_get_size(ma)); |
8bfd0fda BP |
3744 | return; |
3745 | } | |
e6cc0bab | 3746 | } |
8bfd0fda | 3747 | format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key); |
b02475c5 SH |
3748 | break; |
3749 | } | |
df2c07f4 | 3750 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab | 3751 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
dc8c5408 | 3752 | if (!is_exact) { |
e6cc0bab AZ |
3753 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); |
3754 | } | |
36956a7d BP |
3755 | break; |
3756 | ||
2d18eae8 JR |
3757 | case OVS_KEY_ATTR_IPV4: { |
3758 | const struct ovs_key_ipv4 *key = nl_attr_get(a); | |
3759 | const struct ovs_key_ipv4 *mask = ma ? nl_attr_get(ma) : NULL; | |
3760 | ||
3761 | format_ipv4(ds, "src", key->ipv4_src, MASK(mask, ipv4_src), verbose); | |
3762 | format_ipv4(ds, "dst", key->ipv4_dst, MASK(mask, ipv4_dst), verbose); | |
3763 | format_u8u(ds, "proto", key->ipv4_proto, MASK(mask, ipv4_proto), | |
3764 | verbose); | |
3765 | format_u8x(ds, "tos", key->ipv4_tos, MASK(mask, ipv4_tos), verbose); | |
3766 | format_u8u(ds, "ttl", key->ipv4_ttl, MASK(mask, ipv4_ttl), verbose); | |
3767 | format_frag(ds, "frag", key->ipv4_frag, MASK(mask, ipv4_frag), | |
3768 | verbose); | |
3769 | ds_chomp(ds, ','); | |
36956a7d | 3770 | break; |
2d18eae8 JR |
3771 | } |
3772 | case OVS_KEY_ATTR_IPV6: { | |
3773 | const struct ovs_key_ipv6 *key = nl_attr_get(a); | |
3774 | const struct ovs_key_ipv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
3775 | ||
932c96b7 JR |
3776 | format_in6_addr(ds, "src", &key->ipv6_src, MASK(mask, ipv6_src), |
3777 | verbose); | |
3778 | format_in6_addr(ds, "dst", &key->ipv6_dst, MASK(mask, ipv6_dst), | |
3779 | verbose); | |
2d18eae8 JR |
3780 | format_ipv6_label(ds, "label", key->ipv6_label, MASK(mask, ipv6_label), |
3781 | verbose); | |
3782 | format_u8u(ds, "proto", key->ipv6_proto, MASK(mask, ipv6_proto), | |
932c96b7 | 3783 | verbose); |
2d18eae8 | 3784 | format_u8x(ds, "tclass", key->ipv6_tclass, MASK(mask, ipv6_tclass), |
932c96b7 | 3785 | verbose); |
2d18eae8 | 3786 | format_u8u(ds, "hlimit", key->ipv6_hlimit, MASK(mask, ipv6_hlimit), |
932c96b7 | 3787 | verbose); |
2d18eae8 JR |
3788 | format_frag(ds, "frag", key->ipv6_frag, MASK(mask, ipv6_frag), |
3789 | verbose); | |
3790 | ds_chomp(ds, ','); | |
d31f1109 | 3791 | break; |
2d18eae8 JR |
3792 | } |
3793 | /* These have the same structure and format. */ | |
df2c07f4 | 3794 | case OVS_KEY_ATTR_TCP: |
2d18eae8 JR |
3795 | case OVS_KEY_ATTR_UDP: |
3796 | case OVS_KEY_ATTR_SCTP: { | |
3797 | const struct ovs_key_tcp *key = nl_attr_get(a); | |
3798 | const struct ovs_key_tcp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 3799 | |
2d18eae8 JR |
3800 | format_be16(ds, "src", key->tcp_src, MASK(mask, tcp_src), verbose); |
3801 | format_be16(ds, "dst", key->tcp_dst, MASK(mask, tcp_dst), verbose); | |
3802 | ds_chomp(ds, ','); | |
36956a7d | 3803 | break; |
2d18eae8 | 3804 | } |
dc235f7f | 3805 | case OVS_KEY_ATTR_TCP_FLAGS: |
dc235f7f | 3806 | if (!is_exact) { |
ea2735d3 JR |
3807 | format_flags_masked(ds, NULL, packet_tcp_flag_to_string, |
3808 | ntohs(nl_attr_get_be16(a)), | |
8e4c1621 JG |
3809 | TCP_FLAGS(nl_attr_get_be16(ma)), |
3810 | TCP_FLAGS(OVS_BE16_MAX)); | |
ea2735d3 JR |
3811 | } else { |
3812 | format_flags(ds, packet_tcp_flag_to_string, | |
8e4c1621 | 3813 | ntohs(nl_attr_get_be16(a)), '|'); |
dc235f7f JR |
3814 | } |
3815 | break; | |
3816 | ||
2d18eae8 JR |
3817 | case OVS_KEY_ATTR_ICMP: { |
3818 | const struct ovs_key_icmp *key = nl_attr_get(a); | |
3819 | const struct ovs_key_icmp *mask = ma ? nl_attr_get(ma) : NULL; | |
e6cc0bab | 3820 | |
2d18eae8 JR |
3821 | format_u8u(ds, "type", key->icmp_type, MASK(mask, icmp_type), verbose); |
3822 | format_u8u(ds, "code", key->icmp_code, MASK(mask, icmp_code), verbose); | |
3823 | ds_chomp(ds, ','); | |
36956a7d | 3824 | break; |
2d18eae8 JR |
3825 | } |
3826 | case OVS_KEY_ATTR_ICMPV6: { | |
3827 | const struct ovs_key_icmpv6 *key = nl_attr_get(a); | |
3828 | const struct ovs_key_icmpv6 *mask = ma ? nl_attr_get(ma) : NULL; | |
36956a7d | 3829 | |
2d18eae8 JR |
3830 | format_u8u(ds, "type", key->icmpv6_type, MASK(mask, icmpv6_type), |
3831 | verbose); | |
3832 | format_u8u(ds, "code", key->icmpv6_code, MASK(mask, icmpv6_code), | |
3833 | verbose); | |
3834 | ds_chomp(ds, ','); | |
d31f1109 | 3835 | break; |
2d18eae8 JR |
3836 | } |
3837 | case OVS_KEY_ATTR_ARP: { | |
3838 | const struct ovs_key_arp *mask = ma ? nl_attr_get(ma) : NULL; | |
3839 | const struct ovs_key_arp *key = nl_attr_get(a); | |
d31f1109 | 3840 | |
2d18eae8 JR |
3841 | format_ipv4(ds, "sip", key->arp_sip, MASK(mask, arp_sip), verbose); |
3842 | format_ipv4(ds, "tip", key->arp_tip, MASK(mask, arp_tip), verbose); | |
3843 | format_be16(ds, "op", key->arp_op, MASK(mask, arp_op), verbose); | |
3844 | format_eth(ds, "sha", key->arp_sha, MASK(mask, arp_sha), verbose); | |
3845 | format_eth(ds, "tha", key->arp_tha, MASK(mask, arp_tha), verbose); | |
3846 | ds_chomp(ds, ','); | |
36956a7d | 3847 | break; |
2d18eae8 | 3848 | } |
df2c07f4 | 3849 | case OVS_KEY_ATTR_ND: { |
2d18eae8 JR |
3850 | const struct ovs_key_nd *mask = ma ? nl_attr_get(ma) : NULL; |
3851 | const struct ovs_key_nd *key = nl_attr_get(a); | |
e6cc0bab | 3852 | |
932c96b7 JR |
3853 | format_in6_addr(ds, "target", &key->nd_target, MASK(mask, nd_target), |
3854 | verbose); | |
2d18eae8 JR |
3855 | format_eth(ds, "sll", key->nd_sll, MASK(mask, nd_sll), verbose); |
3856 | format_eth(ds, "tll", key->nd_tll, MASK(mask, nd_tll), verbose); | |
685a51a5 | 3857 | |
2d18eae8 | 3858 | ds_chomp(ds, ','); |
685a51a5 JP |
3859 | break; |
3860 | } | |
3d2fbd70 | 3861 | case OVS_KEY_ATTR_NSH: { |
f59cb331 | 3862 | format_odp_nsh_attr(a, ma, ds); |
3d2fbd70 JS |
3863 | break; |
3864 | } | |
7a8e9ed2 BP |
3865 | case OVS_KEY_ATTR_UNSPEC: |
3866 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
3867 | default: |
3868 | format_generic_odp_key(a, ds); | |
dc8c5408 | 3869 | if (!is_exact) { |
e6cc0bab AZ |
3870 | ds_put_char(ds, '/'); |
3871 | format_generic_odp_key(ma, ds); | |
3872 | } | |
36956a7d BP |
3873 | break; |
3874 | } | |
e6cc0bab | 3875 | ds_put_char(ds, ')'); |
36956a7d BP |
3876 | } |
3877 | ||
2f73024d BP |
3878 | static void |
3879 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, | |
3880 | const struct hmap *portno_names, struct ds *ds, | |
3881 | bool verbose) | |
3882 | { | |
3883 | if (check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
3884 | OVS_KEY_ATTR_MAX, false)) { | |
3885 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); | |
3886 | } | |
3887 | } | |
3888 | ||
dc8c5408 | 3889 | static struct nlattr * |
6b8da9e9 JG |
3890 | generate_all_wildcard_mask(const struct attr_len_tbl tbl[], int max, |
3891 | struct ofpbuf *ofp, const struct nlattr *key) | |
dc8c5408 AZ |
3892 | { |
3893 | const struct nlattr *a; | |
3894 | unsigned int left; | |
3895 | int type = nl_attr_type(key); | |
3896 | int size = nl_attr_get_size(key); | |
3897 | ||
6b8da9e9 | 3898 | if (odp_key_attr_len(tbl, max, type) != ATTR_LEN_NESTED) { |
9ddf12cc | 3899 | nl_msg_put_unspec_zero(ofp, type, size); |
dc8c5408 AZ |
3900 | } else { |
3901 | size_t nested_mask; | |
3902 | ||
6b8da9e9 | 3903 | if (tbl[type].next) { |
464cc3ee BP |
3904 | const struct attr_len_tbl *entry = &tbl[type]; |
3905 | tbl = entry->next; | |
3906 | max = entry->next_max; | |
6b8da9e9 JG |
3907 | } |
3908 | ||
dc8c5408 AZ |
3909 | nested_mask = nl_msg_start_nested(ofp, type); |
3910 | NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) { | |
6b8da9e9 | 3911 | generate_all_wildcard_mask(tbl, max, ofp, nl_attr_get(a)); |
dc8c5408 AZ |
3912 | } |
3913 | nl_msg_end_nested(ofp, nested_mask); | |
3914 | } | |
3915 | ||
6fd6ed71 | 3916 | return ofp->base; |
dc8c5408 AZ |
3917 | } |
3918 | ||
9daf2348 | 3919 | static void |
ab79d262 BP |
3920 | format_u128(struct ds *ds, const ovs_32aligned_u128 *key, |
3921 | const ovs_32aligned_u128 *mask, bool verbose) | |
9daf2348 | 3922 | { |
ab79d262 BP |
3923 | if (verbose || (mask && !ovs_u128_is_zero(get_32aligned_u128(mask)))) { |
3924 | ovs_be128 value = hton128(get_32aligned_u128(key)); | |
9daf2348 | 3925 | ds_put_hex(ds, &value, sizeof value); |
ab79d262 BP |
3926 | if (mask && !(ovs_u128_is_ones(get_32aligned_u128(mask)))) { |
3927 | value = hton128(get_32aligned_u128(mask)); | |
9daf2348 JS |
3928 | ds_put_char(ds, '/'); |
3929 | ds_put_hex(ds, &value, sizeof value); | |
3930 | } | |
3931 | } | |
3932 | } | |
3933 | ||
b23ada8e JP |
3934 | /* Read the string from 's_' as a 128-bit value. If the string contains |
3935 | * a "/", the rest of the string will be treated as a 128-bit mask. | |
3936 | * | |
3937 | * If either the value or mask is larger than 64 bits, the string must | |
3938 | * be in hexadecimal. | |
3939 | */ | |
9daf2348 JS |
3940 | static int |
3941 | scan_u128(const char *s_, ovs_u128 *value, ovs_u128 *mask) | |
3942 | { | |
3943 | char *s = CONST_CAST(char *, s_); | |
3944 | ovs_be128 be_value; | |
3945 | ovs_be128 be_mask; | |
3946 | ||
3947 | if (!parse_int_string(s, (uint8_t *)&be_value, sizeof be_value, &s)) { | |
32ea15f6 | 3948 | *value = ntoh128(be_value); |
9daf2348 JS |
3949 | |
3950 | if (mask) { | |
3951 | int n; | |
3952 | ||
3953 | if (ovs_scan(s, "/%n", &n)) { | |
3954 | int error; | |
3955 | ||
3956 | s += n; | |
3957 | error = parse_int_string(s, (uint8_t *)&be_mask, | |
3958 | sizeof be_mask, &s); | |
3959 | if (error) { | |
2c539492 | 3960 | return 0; |
9daf2348 | 3961 | } |
32ea15f6 | 3962 | *mask = ntoh128(be_mask); |
9daf2348 JS |
3963 | } else { |
3964 | *mask = OVS_U128_MAX; | |
3965 | } | |
3966 | } | |
3967 | return s - s_; | |
3968 | } | |
3969 | ||
3970 | return 0; | |
3971 | } | |
3972 | ||
534a19b9 JS |
3973 | int |
3974 | odp_ufid_from_string(const char *s_, ovs_u128 *ufid) | |
3975 | { | |
3976 | const char *s = s_; | |
3977 | ||
3978 | if (ovs_scan(s, "ufid:")) { | |
534a19b9 | 3979 | s += 5; |
534a19b9 | 3980 | |
10e92b4f | 3981 | if (!uuid_from_string_prefix((struct uuid *)ufid, s)) { |
534a19b9 JS |
3982 | return -EINVAL; |
3983 | } | |
10e92b4f | 3984 | s += UUID_LEN; |
534a19b9 JS |
3985 | |
3986 | return s - s_; | |
3987 | } | |
3988 | ||
3989 | return 0; | |
3990 | } | |
3991 | ||
70e5ed6f JS |
3992 | void |
3993 | odp_format_ufid(const ovs_u128 *ufid, struct ds *ds) | |
3994 | { | |
10e92b4f | 3995 | ds_put_format(ds, "ufid:"UUID_FMT, UUID_ARGS((struct uuid *)ufid)); |
70e5ed6f JS |
3996 | } |
3997 | ||
36956a7d | 3998 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
e6cc0bab | 3999 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
73580638 | 4000 | * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is |
d1fd1ea9 | 4001 | * non-null, translates odp port number to its name. */ |
14608a15 | 4002 | void |
e6cc0bab AZ |
4003 | odp_flow_format(const struct nlattr *key, size_t key_len, |
4004 | const struct nlattr *mask, size_t mask_len, | |
0a37839c | 4005 | const struct hmap *portno_names, struct ds *ds, bool verbose) |
14608a15 | 4006 | { |
36956a7d BP |
4007 | if (key_len) { |
4008 | const struct nlattr *a; | |
4009 | unsigned int left; | |
e6cc0bab | 4010 | bool has_ethtype_key = false; |
dc8c5408 | 4011 | struct ofpbuf ofp; |
041e7168 | 4012 | bool first_field = true; |
36956a7d | 4013 | |
dc8c5408 | 4014 | ofpbuf_init(&ofp, 100); |
36956a7d | 4015 | NL_ATTR_FOR_EACH (a, left, key, key_len) { |
2f73024d BP |
4016 | int attr_type = nl_attr_type(a); |
4017 | const struct nlattr *ma = (mask && mask_len | |
4018 | ? nl_attr_find__(mask, mask_len, | |
4019 | attr_type) | |
4020 | : NULL); | |
4021 | if (!check_attr_len(ds, a, ma, ovs_flow_key_attr_lens, | |
4022 | OVS_KEY_ATTR_MAX, false)) { | |
4023 | continue; | |
4024 | } | |
4025 | ||
041e7168 AZ |
4026 | bool is_nested_attr; |
4027 | bool is_wildcard = false; | |
041e7168 AZ |
4028 | |
4029 | if (attr_type == OVS_KEY_ATTR_ETHERTYPE) { | |
e6cc0bab AZ |
4030 | has_ethtype_key = true; |
4031 | } | |
041e7168 | 4032 | |
6b8da9e9 JG |
4033 | is_nested_attr = odp_key_attr_len(ovs_flow_key_attr_lens, |
4034 | OVS_KEY_ATTR_MAX, attr_type) == | |
4035 | ATTR_LEN_NESTED; | |
041e7168 | 4036 | |
e6cc0bab AZ |
4037 | if (mask && mask_len) { |
4038 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
041e7168 AZ |
4039 | is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true; |
4040 | } | |
4041 | ||
4042 | if (verbose || !is_wildcard || is_nested_attr) { | |
4043 | if (is_wildcard && !ma) { | |
6b8da9e9 JG |
4044 | ma = generate_all_wildcard_mask(ovs_flow_key_attr_lens, |
4045 | OVS_KEY_ATTR_MAX, | |
4046 | &ofp, a); | |
dc8c5408 | 4047 | } |
041e7168 AZ |
4048 | if (!first_field) { |
4049 | ds_put_char(ds, ','); | |
4050 | } | |
2f73024d | 4051 | format_odp_key_attr__(a, ma, portno_names, ds, verbose); |
041e7168 | 4052 | first_field = false; |
e6cc0bab | 4053 | } |
dc8c5408 | 4054 | ofpbuf_clear(&ofp); |
36956a7d | 4055 | } |
dc8c5408 AZ |
4056 | ofpbuf_uninit(&ofp); |
4057 | ||
36956a7d | 4058 | if (left) { |
3a8cfc50 | 4059 | int i; |
1394054e | 4060 | |
36956a7d BP |
4061 | if (left == key_len) { |
4062 | ds_put_cstr(ds, "<empty>"); | |
4063 | } | |
3a8cfc50 BP |
4064 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
4065 | for (i = 0; i < left; i++) { | |
4066 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
4067 | } | |
4068 | ds_put_char(ds, ')'); | |
36956a7d | 4069 | } |
e6cc0bab | 4070 | if (!has_ethtype_key) { |
2f73024d BP |
4071 | const struct nlattr *ma = nl_attr_find__(mask, mask_len, |
4072 | OVS_KEY_ATTR_ETHERTYPE); | |
e6cc0bab AZ |
4073 | if (ma) { |
4074 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
4075 | ntohs(nl_attr_get_be16(ma))); | |
4076 | } | |
4077 | } | |
36956a7d BP |
4078 | } else { |
4079 | ds_put_cstr(ds, "<empty>"); | |
4080 | } | |
14608a15 | 4081 | } |
064af421 | 4082 | |
e6cc0bab AZ |
4083 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
4084 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
4085 | void | |
4086 | odp_flow_key_format(const struct nlattr *key, | |
4087 | size_t key_len, struct ds *ds) | |
4088 | { | |
0a37839c | 4089 | odp_flow_format(key, key_len, NULL, 0, NULL, ds, true); |
e6cc0bab AZ |
4090 | } |
4091 | ||
7257b535 BP |
4092 | static bool |
4093 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
4094 | { | |
4095 | if (!strcasecmp(s, "no")) { | |
4096 | *type = OVS_FRAG_TYPE_NONE; | |
4097 | } else if (!strcasecmp(s, "first")) { | |
4098 | *type = OVS_FRAG_TYPE_FIRST; | |
4099 | } else if (!strcasecmp(s, "later")) { | |
4100 | *type = OVS_FRAG_TYPE_LATER; | |
4101 | } else { | |
4102 | return false; | |
4103 | } | |
4104 | return true; | |
4105 | } | |
4106 | ||
2d18eae8 | 4107 | /* Parsing. */ |
b02475c5 | 4108 | |
3bffc610 | 4109 | static int |
74ff3298 | 4110 | scan_eth(const char *s, struct eth_addr *key, struct eth_addr *mask) |
3bffc610 | 4111 | { |
2d18eae8 | 4112 | int n; |
abff858b | 4113 | |
74ff3298 JR |
4114 | if (ovs_scan(s, ETH_ADDR_SCAN_FMT"%n", |
4115 | ETH_ADDR_SCAN_ARGS(*key), &n)) { | |
2d18eae8 JR |
4116 | int len = n; |
4117 | ||
4118 | if (mask) { | |
4119 | if (ovs_scan(s + len, "/"ETH_ADDR_SCAN_FMT"%n", | |
4120 | ETH_ADDR_SCAN_ARGS(*mask), &n)) { | |
4121 | len += n; | |
4122 | } else { | |
4123 | memset(mask, 0xff, sizeof *mask); | |
e6cc0bab | 4124 | } |
abff858b | 4125 | } |
2d18eae8 | 4126 | return len; |
abff858b | 4127 | } |
2d18eae8 JR |
4128 | return 0; |
4129 | } | |
abff858b | 4130 | |
2d18eae8 JR |
4131 | static int |
4132 | scan_ipv4(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4133 | { | |
4134 | int n; | |
72e8bf28 | 4135 | |
2d18eae8 JR |
4136 | if (ovs_scan(s, IP_SCAN_FMT"%n", IP_SCAN_ARGS(key), &n)) { |
4137 | int len = n; | |
4138 | ||
4139 | if (mask) { | |
4140 | if (ovs_scan(s + len, "/"IP_SCAN_FMT"%n", | |
4141 | IP_SCAN_ARGS(mask), &n)) { | |
4142 | len += n; | |
4143 | } else { | |
4144 | *mask = OVS_BE32_MAX; | |
e6cc0bab | 4145 | } |
72e8bf28 | 4146 | } |
2d18eae8 | 4147 | return len; |
72e8bf28 | 4148 | } |
2d18eae8 JR |
4149 | return 0; |
4150 | } | |
72e8bf28 | 4151 | |
2d18eae8 | 4152 | static int |
d15aef48 | 4153 | scan_in6_addr(const char *s, struct in6_addr *key, struct in6_addr *mask) |
2d18eae8 JR |
4154 | { |
4155 | int n; | |
4156 | char ipv6_s[IPV6_SCAN_LEN + 1]; | |
572f732a | 4157 | |
2d18eae8 JR |
4158 | if (ovs_scan(s, IPV6_SCAN_FMT"%n", ipv6_s, &n) |
4159 | && inet_pton(AF_INET6, ipv6_s, key) == 1) { | |
4160 | int len = n; | |
4161 | ||
4162 | if (mask) { | |
4163 | if (ovs_scan(s + len, "/"IPV6_SCAN_FMT"%n", ipv6_s, &n) | |
4164 | && inet_pton(AF_INET6, ipv6_s, mask) == 1) { | |
4165 | len += n; | |
4166 | } else { | |
4167 | memset(mask, 0xff, sizeof *mask); | |
78669073 | 4168 | } |
572f732a | 4169 | } |
2d18eae8 | 4170 | return len; |
572f732a | 4171 | } |
2d18eae8 JR |
4172 | return 0; |
4173 | } | |
572f732a | 4174 | |
2d18eae8 JR |
4175 | static int |
4176 | scan_ipv6_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4177 | { | |
4178 | int key_, mask_; | |
4179 | int n; | |
572f732a | 4180 | |
2d18eae8 JR |
4181 | if (ovs_scan(s, "%i%n", &key_, &n) |
4182 | && (key_ & ~IPV6_LABEL_MASK) == 0) { | |
4183 | int len = n; | |
29c7a2b2 | 4184 | |
2d18eae8 JR |
4185 | *key = htonl(key_); |
4186 | if (mask) { | |
4187 | if (ovs_scan(s + len, "/%i%n", &mask_, &n) | |
4188 | && (mask_ & ~IPV6_LABEL_MASK) == 0) { | |
4189 | len += n; | |
4190 | *mask = htonl(mask_); | |
4191 | } else { | |
4192 | *mask = htonl(IPV6_LABEL_MASK); | |
e6cc0bab | 4193 | } |
35651d6a | 4194 | } |
2d18eae8 | 4195 | return len; |
35651d6a | 4196 | } |
2d18eae8 JR |
4197 | return 0; |
4198 | } | |
35651d6a | 4199 | |
2d18eae8 JR |
4200 | static int |
4201 | scan_u8(const char *s, uint8_t *key, uint8_t *mask) | |
4202 | { | |
4203 | int n; | |
3bffc610 | 4204 | |
2d18eae8 JR |
4205 | if (ovs_scan(s, "%"SCNi8"%n", key, &n)) { |
4206 | int len = n; | |
4207 | ||
4208 | if (mask) { | |
4209 | if (ovs_scan(s + len, "/%"SCNi8"%n", mask, &n)) { | |
4210 | len += n; | |
4211 | } else { | |
4212 | *mask = UINT8_MAX; | |
e6cc0bab | 4213 | } |
3bffc610 | 4214 | } |
2d18eae8 | 4215 | return len; |
3bffc610 | 4216 | } |
2d18eae8 JR |
4217 | return 0; |
4218 | } | |
3bffc610 | 4219 | |
07659514 JS |
4220 | static int |
4221 | scan_u16(const char *s, uint16_t *key, uint16_t *mask) | |
4222 | { | |
4223 | int n; | |
4224 | ||
4225 | if (ovs_scan(s, "%"SCNi16"%n", key, &n)) { | |
4226 | int len = n; | |
4227 | ||
4228 | if (mask) { | |
4229 | if (ovs_scan(s + len, "/%"SCNi16"%n", mask, &n)) { | |
4230 | len += n; | |
4231 | } else { | |
4232 | *mask = UINT16_MAX; | |
4233 | } | |
4234 | } | |
4235 | return len; | |
4236 | } | |
4237 | return 0; | |
4238 | } | |
4239 | ||
2d18eae8 JR |
4240 | static int |
4241 | scan_u32(const char *s, uint32_t *key, uint32_t *mask) | |
4242 | { | |
4243 | int n; | |
e6cc0bab | 4244 | |
2d18eae8 JR |
4245 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
4246 | int len = n; | |
e6cc0bab | 4247 | |
2d18eae8 JR |
4248 | if (mask) { |
4249 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
4250 | len += n; | |
4251 | } else { | |
4252 | *mask = UINT32_MAX; | |
e6cc0bab | 4253 | } |
b2a60db8 | 4254 | } |
2d18eae8 | 4255 | return len; |
b2a60db8 | 4256 | } |
2d18eae8 JR |
4257 | return 0; |
4258 | } | |
b2a60db8 | 4259 | |
2d18eae8 JR |
4260 | static int |
4261 | scan_be16(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4262 | { | |
4263 | uint16_t key_, mask_; | |
4264 | int n; | |
3bffc610 | 4265 | |
2d18eae8 JR |
4266 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
4267 | int len = n; | |
e6cc0bab | 4268 | |
2d18eae8 JR |
4269 | *key = htons(key_); |
4270 | if (mask) { | |
4271 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { | |
4272 | len += n; | |
4273 | *mask = htons(mask_); | |
4274 | } else { | |
4275 | *mask = OVS_BE16_MAX; | |
e6cc0bab | 4276 | } |
3bffc610 | 4277 | } |
2d18eae8 | 4278 | return len; |
3bffc610 | 4279 | } |
2d18eae8 JR |
4280 | return 0; |
4281 | } | |
3bffc610 | 4282 | |
3d2fbd70 JS |
4283 | static int |
4284 | scan_be32(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4285 | { | |
4286 | uint32_t key_, mask_; | |
4287 | int n; | |
4288 | ||
4289 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { | |
4290 | int len = n; | |
4291 | ||
4292 | *key = htonl(key_); | |
4293 | if (mask) { | |
4294 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { | |
4295 | len += n; | |
4296 | *mask = htonl(mask_); | |
4297 | } else { | |
4298 | *mask = OVS_BE32_MAX; | |
4299 | } | |
4300 | } | |
4301 | return len; | |
4302 | } | |
4303 | return 0; | |
4304 | } | |
4305 | ||
2d18eae8 JR |
4306 | static int |
4307 | scan_be64(const char *s, ovs_be64 *key, ovs_be64 *mask) | |
4308 | { | |
4309 | uint64_t key_, mask_; | |
4310 | int n; | |
3bffc610 | 4311 | |
2d18eae8 JR |
4312 | if (ovs_scan(s, "%"SCNi64"%n", &key_, &n)) { |
4313 | int len = n; | |
4314 | ||
4315 | *key = htonll(key_); | |
4316 | if (mask) { | |
4317 | if (ovs_scan(s + len, "/%"SCNi64"%n", &mask_, &n)) { | |
4318 | len += n; | |
4319 | *mask = htonll(mask_); | |
4320 | } else { | |
4321 | *mask = OVS_BE64_MAX; | |
e6cc0bab | 4322 | } |
3bffc610 | 4323 | } |
2d18eae8 | 4324 | return len; |
3bffc610 | 4325 | } |
2d18eae8 JR |
4326 | return 0; |
4327 | } | |
3bffc610 | 4328 | |
2d18eae8 JR |
4329 | static int |
4330 | scan_tun_flags(const char *s, uint16_t *key, uint16_t *mask) | |
4331 | { | |
4332 | uint32_t flags, fmask; | |
4333 | int n; | |
3bffc610 | 4334 | |
8e4c1621 JG |
4335 | n = parse_odp_flags(s, flow_tun_flag_to_string, &flags, |
4336 | FLOW_TNL_F_MASK, mask ? &fmask : NULL); | |
2d18eae8 JR |
4337 | if (n >= 0 && s[n] == ')') { |
4338 | *key = flags; | |
4339 | if (mask) { | |
4340 | *mask = fmask; | |
3bffc610 | 4341 | } |
2d18eae8 | 4342 | return n + 1; |
3bffc610 | 4343 | } |
2d18eae8 JR |
4344 | return 0; |
4345 | } | |
3bffc610 | 4346 | |
2d18eae8 JR |
4347 | static int |
4348 | scan_tcp_flags(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4349 | { | |
4350 | uint32_t flags, fmask; | |
4351 | int n; | |
b02475c5 | 4352 | |
8e4c1621 JG |
4353 | n = parse_odp_flags(s, packet_tcp_flag_to_string, &flags, |
4354 | TCP_FLAGS(OVS_BE16_MAX), mask ? &fmask : NULL); | |
2d18eae8 JR |
4355 | if (n >= 0) { |
4356 | *key = htons(flags); | |
4357 | if (mask) { | |
4358 | *mask = htons(fmask); | |
b02475c5 | 4359 | } |
2d18eae8 | 4360 | return n; |
b02475c5 | 4361 | } |
2d18eae8 JR |
4362 | return 0; |
4363 | } | |
b02475c5 | 4364 | |
07659514 JS |
4365 | static uint32_t |
4366 | ovs_to_odp_ct_state(uint8_t state) | |
4367 | { | |
4368 | uint32_t odp = 0; | |
4369 | ||
fd6cd1bf BP |
4370 | #define CS_STATE(ENUM, INDEX, NAME) \ |
4371 | if (state & CS_##ENUM) { \ | |
4372 | odp |= OVS_CS_F_##ENUM; \ | |
819571b5 | 4373 | } |
fd6cd1bf BP |
4374 | CS_STATES |
4375 | #undef CS_STATE | |
07659514 JS |
4376 | |
4377 | return odp; | |
4378 | } | |
4379 | ||
4380 | static uint8_t | |
4381 | odp_to_ovs_ct_state(uint32_t flags) | |
4382 | { | |
4383 | uint32_t state = 0; | |
4384 | ||
fd6cd1bf BP |
4385 | #define CS_STATE(ENUM, INDEX, NAME) \ |
4386 | if (flags & OVS_CS_F_##ENUM) { \ | |
4387 | state |= CS_##ENUM; \ | |
819571b5 | 4388 | } |
fd6cd1bf BP |
4389 | CS_STATES |
4390 | #undef CS_STATE | |
07659514 JS |
4391 | |
4392 | return state; | |
4393 | } | |
4394 | ||
4395 | static int | |
4396 | scan_ct_state(const char *s, uint32_t *key, uint32_t *mask) | |
4397 | { | |
4398 | uint32_t flags, fmask; | |
4399 | int n; | |
4400 | ||
4401 | n = parse_flags(s, odp_ct_state_to_string, ')', NULL, NULL, &flags, | |
4402 | ovs_to_odp_ct_state(CS_SUPPORTED_MASK), | |
4403 | mask ? &fmask : NULL); | |
4404 | ||
4405 | if (n >= 0) { | |
4406 | *key = flags; | |
4407 | if (mask) { | |
4408 | *mask = fmask; | |
4409 | } | |
4410 | return n; | |
4411 | } | |
4412 | return 0; | |
4413 | } | |
4414 | ||
2d18eae8 JR |
4415 | static int |
4416 | scan_frag(const char *s, uint8_t *key, uint8_t *mask) | |
4417 | { | |
4418 | int n; | |
4419 | char frag[8]; | |
4420 | enum ovs_frag_type frag_type; | |
e6cc0bab | 4421 | |
2d18eae8 JR |
4422 | if (ovs_scan(s, "%7[a-z]%n", frag, &n) |
4423 | && ovs_frag_type_from_string(frag, &frag_type)) { | |
4424 | int len = n; | |
e6cc0bab | 4425 | |
2d18eae8 JR |
4426 | *key = frag_type; |
4427 | if (mask) { | |
4428 | *mask = UINT8_MAX; | |
3bffc610 | 4429 | } |
2d18eae8 | 4430 | return len; |
3bffc610 | 4431 | } |
2d18eae8 JR |
4432 | return 0; |
4433 | } | |
3bffc610 | 4434 | |
2d18eae8 JR |
4435 | static int |
4436 | scan_port(const char *s, uint32_t *key, uint32_t *mask, | |
4437 | const struct simap *port_names) | |
4438 | { | |
4439 | int n; | |
3bffc610 | 4440 | |
2d18eae8 JR |
4441 | if (ovs_scan(s, "%"SCNi32"%n", key, &n)) { |
4442 | int len = n; | |
e6cc0bab | 4443 | |
2d18eae8 JR |
4444 | if (mask) { |
4445 | if (ovs_scan(s + len, "/%"SCNi32"%n", mask, &n)) { | |
4446 | len += n; | |
4447 | } else { | |
4448 | *mask = UINT32_MAX; | |
e6cc0bab | 4449 | } |
3bffc610 | 4450 | } |
2d18eae8 JR |
4451 | return len; |
4452 | } else if (port_names) { | |
4453 | const struct simap_node *node; | |
4454 | int len; | |
e6cc0bab | 4455 | |
2d18eae8 JR |
4456 | len = strcspn(s, ")"); |
4457 | node = simap_find_len(port_names, s, len); | |
4458 | if (node) { | |
4459 | *key = node->data; | |
e6cc0bab AZ |
4460 | |
4461 | if (mask) { | |
2d18eae8 | 4462 | *mask = UINT32_MAX; |
e6cc0bab | 4463 | } |
2d18eae8 | 4464 | return len; |
3bffc610 BP |
4465 | } |
4466 | } | |
2d18eae8 JR |
4467 | return 0; |
4468 | } | |
3bffc610 | 4469 | |
2d18eae8 JR |
4470 | /* Helper for vlan parsing. */ |
4471 | struct ovs_key_vlan__ { | |
4472 | ovs_be16 tci; | |
4473 | }; | |
dc235f7f | 4474 | |
2d18eae8 JR |
4475 | static bool |
4476 | set_be16_bf(ovs_be16 *bf, uint8_t bits, uint8_t offset, uint16_t value) | |
4477 | { | |
4478 | const uint16_t mask = ((1U << bits) - 1) << offset; | |
ea2735d3 | 4479 | |
2d18eae8 JR |
4480 | if (value >> bits) { |
4481 | return false; | |
dc235f7f JR |
4482 | } |
4483 | ||
2d18eae8 JR |
4484 | *bf = htons((ntohs(*bf) & ~mask) | (value << offset)); |
4485 | return true; | |
4486 | } | |
e6cc0bab | 4487 | |
2d18eae8 JR |
4488 | static int |
4489 | scan_be16_bf(const char *s, ovs_be16 *key, ovs_be16 *mask, uint8_t bits, | |
4490 | uint8_t offset) | |
4491 | { | |
4492 | uint16_t key_, mask_; | |
4493 | int n; | |
3bffc610 | 4494 | |
2d18eae8 JR |
4495 | if (ovs_scan(s, "%"SCNi16"%n", &key_, &n)) { |
4496 | int len = n; | |
e6cc0bab | 4497 | |
2d18eae8 | 4498 | if (set_be16_bf(key, bits, offset, key_)) { |
e6cc0bab | 4499 | if (mask) { |
2d18eae8 JR |
4500 | if (ovs_scan(s + len, "/%"SCNi16"%n", &mask_, &n)) { |
4501 | len += n; | |
4502 | ||
4503 | if (!set_be16_bf(mask, bits, offset, mask_)) { | |
4504 | return 0; | |
4505 | } | |
4506 | } else { | |
4507 | *mask |= htons(((1U << bits) - 1) << offset); | |
4508 | } | |
e6cc0bab | 4509 | } |
2d18eae8 | 4510 | return len; |
3bffc610 BP |
4511 | } |
4512 | } | |
2d18eae8 JR |
4513 | return 0; |
4514 | } | |
3bffc610 | 4515 | |
2d18eae8 JR |
4516 | static int |
4517 | scan_vid(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4518 | { | |
4519 | return scan_be16_bf(s, key, mask, 12, VLAN_VID_SHIFT); | |
4520 | } | |
c6bcb685 | 4521 | |
2d18eae8 JR |
4522 | static int |
4523 | scan_pcp(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4524 | { | |
4525 | return scan_be16_bf(s, key, mask, 3, VLAN_PCP_SHIFT); | |
4526 | } | |
c6bcb685 | 4527 | |
2d18eae8 JR |
4528 | static int |
4529 | scan_cfi(const char *s, ovs_be16 *key, ovs_be16 *mask) | |
4530 | { | |
4531 | return scan_be16_bf(s, key, mask, 1, VLAN_CFI_SHIFT); | |
4532 | } | |
c6bcb685 | 4533 | |
2d18eae8 JR |
4534 | /* For MPLS. */ |
4535 | static bool | |
4536 | set_be32_bf(ovs_be32 *bf, uint8_t bits, uint8_t offset, uint32_t value) | |
4537 | { | |
4538 | const uint32_t mask = ((1U << bits) - 1) << offset; | |
c6bcb685 | 4539 | |
2d18eae8 JR |
4540 | if (value >> bits) { |
4541 | return false; | |
c6bcb685 JS |
4542 | } |
4543 | ||
2d18eae8 JR |
4544 | *bf = htonl((ntohl(*bf) & ~mask) | (value << offset)); |
4545 | return true; | |
4546 | } | |
3bffc610 | 4547 | |
2d18eae8 JR |
4548 | static int |
4549 | scan_be32_bf(const char *s, ovs_be32 *key, ovs_be32 *mask, uint8_t bits, | |
4550 | uint8_t offset) | |
4551 | { | |
4552 | uint32_t key_, mask_; | |
4553 | int n; | |
3bffc610 | 4554 | |
2d18eae8 JR |
4555 | if (ovs_scan(s, "%"SCNi32"%n", &key_, &n)) { |
4556 | int len = n; | |
e6cc0bab | 4557 | |
2d18eae8 | 4558 | if (set_be32_bf(key, bits, offset, key_)) { |
e6cc0bab | 4559 | if (mask) { |
2d18eae8 JR |
4560 | if (ovs_scan(s + len, "/%"SCNi32"%n", &mask_, &n)) { |
4561 | len += n; | |
3bffc610 | 4562 | |
2d18eae8 JR |
4563 | if (!set_be32_bf(mask, bits, offset, mask_)) { |
4564 | return 0; | |
4565 | } | |
4566 | } else { | |
4567 | *mask |= htonl(((1U << bits) - 1) << offset); | |
4568 | } | |
e6cc0bab | 4569 | } |
2d18eae8 | 4570 | return len; |
3bffc610 BP |
4571 | } |
4572 | } | |
2d18eae8 JR |
4573 | return 0; |
4574 | } | |
3bffc610 | 4575 | |
2d18eae8 JR |
4576 | static int |
4577 | scan_mpls_label(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4578 | { | |
4579 | return scan_be32_bf(s, key, mask, 20, MPLS_LABEL_SHIFT); | |
4580 | } | |
3bffc610 | 4581 | |
2d18eae8 JR |
4582 | static int |
4583 | scan_mpls_tc(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4584 | { | |
4585 | return scan_be32_bf(s, key, mask, 3, MPLS_TC_SHIFT); | |
4586 | } | |
e6cc0bab | 4587 | |
2d18eae8 JR |
4588 | static int |
4589 | scan_mpls_ttl(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4590 | { | |
4591 | return scan_be32_bf(s, key, mask, 8, MPLS_TTL_SHIFT); | |
4592 | } | |
e6cc0bab | 4593 | |
2d18eae8 JR |
4594 | static int |
4595 | scan_mpls_bos(const char *s, ovs_be32 *key, ovs_be32 *mask) | |
4596 | { | |
4597 | return scan_be32_bf(s, key, mask, 1, MPLS_BOS_SHIFT); | |
4598 | } | |
4599 | ||
65da723b JG |
4600 | static int |
4601 | scan_vxlan_gbp(const char *s, uint32_t *key, uint32_t *mask) | |
4602 | { | |
4603 | const char *s_base = s; | |
3139b8e9 JR |
4604 | ovs_be16 id = 0, id_mask = 0; |
4605 | uint8_t flags = 0, flags_mask = 0; | |
65da723b JG |
4606 | |
4607 | if (!strncmp(s, "id=", 3)) { | |
4608 | s += 3; | |
4609 | s += scan_be16(s, &id, mask ? &id_mask : NULL); | |
65da723b JG |
4610 | } |
4611 | ||
4612 | if (s[0] == ',') { | |
4613 | s++; | |
4614 | } | |
4615 | if (!strncmp(s, "flags=", 6)) { | |
4616 | s += 6; | |
4617 | s += scan_u8(s, &flags, mask ? &flags_mask : NULL); | |
65da723b JG |
4618 | } |
4619 | ||
4620 | if (!strncmp(s, "))", 2)) { | |
4621 | s += 2; | |
4622 | ||
4623 | *key = (flags << 16) | ntohs(id); | |
4624 | if (mask) { | |
4625 | *mask = (flags_mask << 16) | ntohs(id_mask); | |
4626 | } | |
4627 | ||
4628 | return s - s_base; | |
4629 | } | |
4630 | ||
4631 | return 0; | |
4632 | } | |
4633 | ||
622a0a8e JG |
4634 | static int |
4635 | scan_geneve(const char *s, struct geneve_scan *key, struct geneve_scan *mask) | |
4636 | { | |
4637 | const char *s_base = s; | |
c05c01cd JG |
4638 | struct geneve_opt *opt = key->d; |
4639 | struct geneve_opt *opt_mask = mask ? mask->d : NULL; | |
622a0a8e JG |
4640 | int len_remain = sizeof key->d; |
4641 | ||
4642 | while (s[0] == '{' && len_remain >= sizeof *opt) { | |
4643 | int data_len = 0; | |
4644 | ||
4645 | s++; | |
4646 | len_remain -= sizeof *opt; | |
4647 | ||
4648 | if (!strncmp(s, "class=", 6)) { | |
4649 | s += 6; | |
4650 | s += scan_be16(s, &opt->opt_class, | |
4651 | mask ? &opt_mask->opt_class : NULL); | |
4652 | } else if (mask) { | |
4653 | memset(&opt_mask->opt_class, 0, sizeof opt_mask->opt_class); | |
4654 | } | |
4655 | ||
4656 | if (s[0] == ',') { | |
4657 | s++; | |
4658 | } | |
4659 | if (!strncmp(s, "type=", 5)) { | |
4660 | s += 5; | |
4661 | s += scan_u8(s, &opt->type, mask ? &opt_mask->type : NULL); | |
4662 | } else if (mask) { | |
4663 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
4664 | } | |
4665 | ||
4666 | if (s[0] == ',') { | |
4667 | s++; | |
4668 | } | |
4669 | if (!strncmp(s, "len=", 4)) { | |
4670 | uint8_t opt_len, opt_len_mask; | |
4671 | s += 4; | |
4672 | s += scan_u8(s, &opt_len, mask ? &opt_len_mask : NULL); | |
4673 | ||
4674 | if (opt_len > 124 || opt_len % 4 || opt_len > len_remain) { | |
4675 | return 0; | |
4676 | } | |
4677 | opt->length = opt_len / 4; | |
4678 | if (mask) { | |
4679 | opt_mask->length = opt_len_mask; | |
4680 | } | |
4681 | data_len = opt_len; | |
4682 | } else if (mask) { | |
4683 | memset(&opt_mask->type, 0, sizeof opt_mask->type); | |
4684 | } | |
4685 | ||
4686 | if (s[0] == ',') { | |
4687 | s++; | |
4688 | } | |
4689 | if (parse_int_string(s, (uint8_t *)(opt + 1), data_len, (char **)&s)) { | |
4690 | return 0; | |
4691 | } | |
4692 | ||
4693 | if (mask) { | |
4694 | if (s[0] == '/') { | |
4695 | s++; | |
4696 | if (parse_int_string(s, (uint8_t *)(opt_mask + 1), | |
4697 | data_len, (char **)&s)) { | |
4698 | return 0; | |
4699 | } | |
4700 | } | |
4701 | opt_mask->r1 = 0; | |
4702 | opt_mask->r2 = 0; | |
4703 | opt_mask->r3 = 0; | |
4704 | } | |
4705 | ||
4706 | if (s[0] == '}') { | |
4707 | s++; | |
4708 | opt += 1 + data_len / 4; | |
4709 | if (mask) { | |
4710 | opt_mask += 1 + data_len / 4; | |
4711 | } | |
4712 | len_remain -= data_len; | |
4713 | } | |
4714 | } | |
4715 | ||
4716 | if (s[0] == ')') { | |
4717 | int len = sizeof key->d - len_remain; | |
4718 | ||
4719 | s++; | |
4720 | key->len = len; | |
4721 | if (mask) { | |
4722 | mask->len = len; | |
4723 | } | |
4724 | return s - s_base; | |
4725 | } | |
4726 | ||
4727 | return 0; | |
4728 | } | |
4729 | ||
65da723b JG |
4730 | static void |
4731 | tun_flags_to_attr(struct ofpbuf *a, const void *data_) | |
4732 | { | |
4733 | const uint16_t *flags = data_; | |
4734 | ||
4735 | if (*flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
4736 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
4737 | } | |
4738 | if (*flags & FLOW_TNL_F_CSUM) { | |
4739 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
4740 | } | |
4741 | if (*flags & FLOW_TNL_F_OAM) { | |
4742 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
4743 | } | |
4744 | } | |
4745 | ||
4746 | static void | |
4747 | vxlan_gbp_to_attr(struct ofpbuf *a, const void *data_) | |
4748 | { | |
4749 | const uint32_t *gbp = data_; | |
4750 | ||
4751 | if (*gbp) { | |
4752 | size_t vxlan_opts_ofs; | |
4753 | ||
4754 | vxlan_opts_ofs = nl_msg_start_nested(a, OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS); | |
4755 | nl_msg_put_u32(a, OVS_VXLAN_EXT_GBP, *gbp); | |
4756 | nl_msg_end_nested(a, vxlan_opts_ofs); | |
4757 | } | |
4758 | } | |
4759 | ||
622a0a8e JG |
4760 | static void |
4761 | geneve_to_attr(struct ofpbuf *a, const void *data_) | |
4762 | { | |
4763 | const struct geneve_scan *geneve = data_; | |
4764 | ||
4765 | nl_msg_put_unspec(a, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, geneve->d, | |
4766 | geneve->len); | |
4767 | } | |
4768 | ||
65da723b JG |
4769 | #define SCAN_PUT_ATTR(BUF, ATTR, DATA, FUNC) \ |
4770 | { \ | |
4771 | unsigned long call_fn = (unsigned long)FUNC; \ | |
4772 | if (call_fn) { \ | |
4773 | typedef void (*fn)(struct ofpbuf *, const void *); \ | |
4774 | fn func = FUNC; \ | |
4775 | func(BUF, &(DATA)); \ | |
4776 | } else { \ | |
4777 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)); \ | |
4778 | } \ | |
2d18eae8 JR |
4779 | } |
4780 | ||
4781 | #define SCAN_IF(NAME) \ | |
4782 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4783 | const char *start = s; \ | |
4784 | int len; \ | |
4785 | \ | |
4786 | s += strlen(NAME) | |
4787 | ||
4788 | /* Usually no special initialization is needed. */ | |
4789 | #define SCAN_BEGIN(NAME, TYPE) \ | |
4790 | SCAN_IF(NAME); \ | |
4791 | TYPE skey, smask; \ | |
4792 | memset(&skey, 0, sizeof skey); \ | |
4793 | memset(&smask, 0, sizeof smask); \ | |
4794 | do { \ | |
4795 | len = 0; | |
4796 | ||
657ac953 JR |
4797 | /* Init as fully-masked as mask will not be scanned. */ |
4798 | #define SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) \ | |
4799 | SCAN_IF(NAME); \ | |
4800 | TYPE skey, smask; \ | |
4801 | memset(&skey, 0, sizeof skey); \ | |
4802 | memset(&smask, 0xff, sizeof smask); \ | |
4803 | do { \ | |
4804 | len = 0; | |
4805 | ||
2d18eae8 JR |
4806 | /* VLAN needs special initialization. */ |
4807 | #define SCAN_BEGIN_INIT(NAME, TYPE, KEY_INIT, MASK_INIT) \ | |
4808 | SCAN_IF(NAME); \ | |
4809 | TYPE skey = KEY_INIT; \ | |
4810 | TYPE smask = MASK_INIT; \ | |
4811 | do { \ | |
4812 | len = 0; | |
4813 | ||
4814 | /* Scan unnamed entry as 'TYPE' */ | |
4815 | #define SCAN_TYPE(TYPE, KEY, MASK) \ | |
4816 | len = scan_##TYPE(s, KEY, MASK); \ | |
4817 | if (len == 0) { \ | |
4818 | return -EINVAL; \ | |
4819 | } \ | |
4820 | s += len | |
4821 | ||
4822 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
4823 | #define SCAN_FIELD(NAME, TYPE, FIELD) \ | |
4824 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4825 | s += strlen(NAME); \ | |
4826 | SCAN_TYPE(TYPE, &skey.FIELD, mask ? &smask.FIELD : NULL); \ | |
4827 | continue; \ | |
4828 | } | |
4829 | ||
4830 | #define SCAN_FINISH() \ | |
4831 | } while (*s++ == ',' && len != 0); \ | |
4832 | if (s[-1] != ')') { \ | |
4833 | return -EINVAL; \ | |
4834 | } | |
4835 | ||
4836 | #define SCAN_FINISH_SINGLE() \ | |
4837 | } while (false); \ | |
4838 | if (*s++ != ')') { \ | |
4839 | return -EINVAL; \ | |
4840 | } | |
4841 | ||
65da723b JG |
4842 | /* Beginning of nested attribute. */ |
4843 | #define SCAN_BEGIN_NESTED(NAME, ATTR) \ | |
4844 | SCAN_IF(NAME); \ | |
4845 | size_t key_offset, mask_offset; \ | |
4846 | key_offset = nl_msg_start_nested(key, ATTR); \ | |
4847 | if (mask) { \ | |
4848 | mask_offset = nl_msg_start_nested(mask, ATTR); \ | |
4849 | } \ | |
4850 | do { \ | |
4851 | len = 0; | |
4852 | ||
4853 | #define SCAN_END_NESTED() \ | |
4854 | SCAN_FINISH(); \ | |
4855 | nl_msg_end_nested(key, key_offset); \ | |
4856 | if (mask) { \ | |
4857 | nl_msg_end_nested(mask, mask_offset); \ | |
4858 | } \ | |
4859 | return s - start; \ | |
4860 | } | |
4861 | ||
4862 | #define SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, FUNC) \ | |
4863 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4864 | TYPE skey, smask; \ | |
4865 | memset(&skey, 0, sizeof skey); \ | |
4866 | memset(&smask, 0xff, sizeof smask); \ | |
4867 | s += strlen(NAME); \ | |
4868 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
4869 | SCAN_PUT(ATTR, FUNC); \ | |
4870 | continue; \ | |
4871 | } | |
4872 | ||
4873 | #define SCAN_FIELD_NESTED(NAME, TYPE, SCAN_AS, ATTR) \ | |
4874 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, ATTR, NULL) | |
4875 | ||
4876 | #define SCAN_FIELD_NESTED_FUNC(NAME, TYPE, SCAN_AS, FUNC) \ | |
4877 | SCAN_FIELD_NESTED__(NAME, TYPE, SCAN_AS, 0, FUNC) | |
4878 | ||
4879 | #define SCAN_PUT(ATTR, FUNC) \ | |
00ec4017 HE |
4880 | SCAN_PUT_ATTR(key, ATTR, skey, FUNC); \ |
4881 | if (mask) \ | |
4882 | SCAN_PUT_ATTR(mask, ATTR, smask, FUNC); \ | |
2d18eae8 JR |
4883 | |
4884 | #define SCAN_END(ATTR) \ | |
4885 | SCAN_FINISH(); \ | |
65da723b | 4886 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
4887 | return s - start; \ |
4888 | } | |
4889 | ||
8f79bb4d JR |
4890 | #define SCAN_BEGIN_ARRAY(NAME, TYPE, CNT) \ |
4891 | SCAN_IF(NAME); \ | |
4892 | TYPE skey[CNT], smask[CNT]; \ | |
4893 | memset(&skey, 0, sizeof skey); \ | |
4894 | memset(&smask, 0, sizeof smask); \ | |
4895 | int idx = 0, cnt = CNT; \ | |
4896 | uint64_t fields = 0; \ | |
4897 | do { \ | |
4898 | int field = 0; \ | |
4899 | len = 0; | |
4900 | ||
4901 | /* Scan named ('NAME') entry 'FIELD' as 'TYPE'. */ | |
4902 | #define SCAN_FIELD_ARRAY(NAME, TYPE, FIELD) \ | |
4903 | if (strncmp(s, NAME, strlen(NAME)) == 0) { \ | |
4904 | if (fields & (1UL << field)) { \ | |
4905 | fields = 0; \ | |
4906 | if (++idx == cnt) { \ | |
4907 | break; \ | |
4908 | } \ | |
4909 | } \ | |
4910 | s += strlen(NAME); \ | |
4911 | SCAN_TYPE(TYPE, &skey[idx].FIELD, mask ? &smask[idx].FIELD : NULL); \ | |
4912 | fields |= 1UL << field; \ | |
4913 | continue; \ | |
4914 | } \ | |
4915 | field++; | |
4916 | ||
4917 | #define SCAN_PUT_ATTR_ARRAY(BUF, ATTR, DATA, CNT) \ | |
4918 | nl_msg_put_unspec(BUF, ATTR, &(DATA), sizeof (DATA)[0] * (CNT)); \ | |
4919 | ||
4920 | #define SCAN_PUT_ARRAY(ATTR, CNT) \ | |
4921 | SCAN_PUT_ATTR_ARRAY(key, ATTR, skey, CNT); \ | |
4922 | if (mask) { \ | |
4923 | SCAN_PUT_ATTR_ARRAY(mask, ATTR, smask, CNT); \ | |
4924 | } | |
4925 | ||
4926 | #define SCAN_END_ARRAY(ATTR) \ | |
4927 | SCAN_FINISH(); \ | |
4928 | if (idx == cnt) { \ | |
4929 | return -EINVAL; \ | |
4930 | } \ | |
4931 | SCAN_PUT_ARRAY(ATTR, idx + 1); \ | |
4932 | return s - start; \ | |
4933 | } | |
4934 | ||
2d18eae8 JR |
4935 | #define SCAN_END_SINGLE(ATTR) \ |
4936 | SCAN_FINISH_SINGLE(); \ | |
65da723b | 4937 | SCAN_PUT(ATTR, NULL); \ |
2d18eae8 JR |
4938 | return s - start; \ |
4939 | } | |
4940 | ||
4941 | #define SCAN_SINGLE(NAME, TYPE, SCAN_AS, ATTR) \ | |
4942 | SCAN_BEGIN(NAME, TYPE) { \ | |
4943 | SCAN_TYPE(SCAN_AS, &skey, &smask); \ | |
4944 | } SCAN_END_SINGLE(ATTR) | |
4945 | ||
657ac953 JR |
4946 | #define SCAN_SINGLE_FULLY_MASKED(NAME, TYPE, SCAN_AS, ATTR) \ |
4947 | SCAN_BEGIN_FULLY_MASKED(NAME, TYPE) { \ | |
4948 | SCAN_TYPE(SCAN_AS, &skey, NULL); \ | |
2d18eae8 JR |
4949 | } SCAN_END_SINGLE(ATTR) |
4950 | ||
4951 | /* scan_port needs one extra argument. */ | |
4952 | #define SCAN_SINGLE_PORT(NAME, TYPE, ATTR) \ | |
4953 | SCAN_BEGIN(NAME, TYPE) { \ | |
4954 | len = scan_port(s, &skey, &smask, port_names); \ | |
4955 | if (len == 0) { \ | |
4956 | return -EINVAL; \ | |
4957 | } \ | |
4958 | s += len; \ | |
4959 | } SCAN_END_SINGLE(ATTR) | |
3bffc610 | 4960 | |
f59cb331 YY |
4961 | static int |
4962 | parse_odp_nsh_key_mask_attr(const char *s, struct ofpbuf *key, | |
4963 | struct ofpbuf *mask) | |
4964 | { | |
4965 | if (strncmp(s, "nsh(", 4) == 0) { | |
4966 | const char *start = s; | |
4967 | int len; | |
17553f27 YY |
4968 | struct ovs_key_nsh skey, smask; |
4969 | uint32_t spi = 0, spi_mask = 0; | |
4970 | uint8_t si = 0, si_mask = 0; | |
f59cb331 YY |
4971 | |
4972 | s += 4; | |
4973 | ||
4974 | memset(&skey, 0, sizeof skey); | |
4975 | memset(&smask, 0, sizeof smask); | |
4976 | do { | |
4977 | len = 0; | |
4978 | ||
4979 | if (strncmp(s, "flags=", 6) == 0) { | |
4980 | s += 6; | |
4981 | len = scan_u8(s, &skey.flags, mask ? &smask.flags : NULL); | |
4982 | if (len == 0) { | |
4983 | return -EINVAL; | |
4984 | } | |
4985 | s += len; | |
4986 | continue; | |
4987 | } | |
4988 | ||
4989 | if (strncmp(s, "mdtype=", 7) == 0) { | |
4990 | s += 7; | |
4991 | len = scan_u8(s, &skey.mdtype, mask ? &smask.mdtype : NULL); | |
4992 | if (len == 0) { | |
4993 | return -EINVAL; | |
4994 | } | |
4995 | s += len; | |
4996 | continue; | |
4997 | } | |
4998 | ||
4999 | if (strncmp(s, "np=", 3) == 0) { | |
5000 | s += 3; | |
5001 | len = scan_u8(s, &skey.np, mask ? &smask.np : NULL); | |
5002 | if (len == 0) { | |
5003 | return -EINVAL; | |
5004 | } | |
5005 | s += len; | |
5006 | continue; | |
5007 | } | |
5008 | ||
5009 | if (strncmp(s, "spi=", 4) == 0) { | |
5010 | s += 4; | |
17553f27 | 5011 | len = scan_u32(s, &spi, mask ? &spi_mask : NULL); |
f59cb331 YY |
5012 | if (len == 0) { |
5013 | return -EINVAL; | |
5014 | } | |
5015 | s += len; | |
5016 | continue; | |
5017 | } | |
5018 | ||
5019 | if (strncmp(s, "si=", 3) == 0) { | |
5020 | s += 3; | |
17553f27 | 5021 | len = scan_u8(s, &si, mask ? &si_mask : NULL); |
f59cb331 YY |
5022 | if (len == 0) { |
5023 | return -EINVAL; | |
5024 | } | |
5025 | s += len; | |
5026 | continue; | |
5027 | } | |
5028 | ||
5029 | if (strncmp(s, "c1=", 3) == 0) { | |
5030 | s += 3; | |
5031 | len = scan_be32(s, &skey.context[0], | |
5032 | mask ? &smask.context[0] : NULL); | |
5033 | if (len == 0) { | |
5034 | return -EINVAL; | |
5035 | } | |
5036 | s += len; | |
5037 | continue; | |
5038 | } | |
5039 | ||
5040 | if (strncmp(s, "c2=", 3) == 0) { | |
5041 | s += 3; | |
5042 | len = scan_be32(s, &skey.context[1], | |
5043 | mask ? &smask.context[1] : NULL); | |
5044 | if (len == 0) { | |
5045 | return -EINVAL; | |
5046 | } | |
5047 | s += len; | |
5048 | continue; | |
5049 | } | |
5050 | ||
5051 | if (strncmp(s, "c3=", 3) == 0) { | |
5052 | s += 3; | |
5053 | len = scan_be32(s, &skey.context[2], | |
5054 | mask ? &smask.context[2] : NULL); | |
5055 | if (len == 0) { | |
5056 | return -EINVAL; | |
5057 | } | |
5058 | s += len; | |
5059 | continue; | |
5060 | } | |
5061 | ||
5062 | if (strncmp(s, "c4=", 3) == 0) { | |
5063 | s += 3; | |
5064 | len = scan_be32(s, &skey.context[3], | |
5065 | mask ? &smask.context[3] : NULL); | |
5066 | if (len == 0) { | |
5067 | return -EINVAL; | |
5068 | } | |
5069 | s += len; | |
5070 | continue; | |
5071 | } | |
5072 | } while (*s++ == ',' && len != 0); | |
5073 | if (s[-1] != ')') { | |
5074 | return -EINVAL; | |
5075 | } | |
5076 | ||
17553f27 YY |
5077 | skey.path_hdr = nsh_spi_si_to_path_hdr(spi, si); |
5078 | smask.path_hdr = nsh_spi_si_to_path_hdr(spi_mask, si_mask); | |
5079 | ||
f59cb331 YY |
5080 | nsh_key_to_attr(key, &skey, NULL, 0, false); |
5081 | if (mask) { | |
5082 | nsh_key_to_attr(mask, &smask, NULL, 0, true); | |
5083 | } | |
5084 | return s - start; | |
5085 | } | |
5086 | return 0; | |
5087 | } | |
5088 | ||
2d18eae8 JR |
5089 | static int |
5090 | parse_odp_key_mask_attr(const char *s, const struct simap *port_names, | |
5091 | struct ofpbuf *key, struct ofpbuf *mask) | |
5092 | { | |
10e92b4f | 5093 | /* Skip UFID. */ |
71f21279 BP |
5094 | ovs_u128 ufid; |
5095 | int ufid_len = odp_ufid_from_string(s, &ufid); | |
5096 | if (ufid_len) { | |
5097 | return ufid_len; | |
eb731b76 JS |
5098 | } |
5099 | ||
2d18eae8 JR |
5100 | SCAN_SINGLE("skb_priority(", uint32_t, u32, OVS_KEY_ATTR_PRIORITY); |
5101 | SCAN_SINGLE("skb_mark(", uint32_t, u32, OVS_KEY_ATTR_SKB_MARK); | |
657ac953 JR |
5102 | SCAN_SINGLE_FULLY_MASKED("recirc_id(", uint32_t, u32, |
5103 | OVS_KEY_ATTR_RECIRC_ID); | |
2d18eae8 JR |
5104 | SCAN_SINGLE("dp_hash(", uint32_t, u32, OVS_KEY_ATTR_DP_HASH); |
5105 | ||
07659514 JS |
5106 | SCAN_SINGLE("ct_state(", uint32_t, ct_state, OVS_KEY_ATTR_CT_STATE); |
5107 | SCAN_SINGLE("ct_zone(", uint16_t, u16, OVS_KEY_ATTR_CT_ZONE); | |
8e53fe8c | 5108 | SCAN_SINGLE("ct_mark(", uint32_t, u32, OVS_KEY_ATTR_CT_MARK); |
9daf2348 | 5109 | SCAN_SINGLE("ct_label(", ovs_u128, u128, OVS_KEY_ATTR_CT_LABELS); |
07659514 | 5110 | |
daf4d3c1 JR |
5111 | SCAN_BEGIN("ct_tuple4(", struct ovs_key_ct_tuple_ipv4) { |
5112 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
5113 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
5114 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
5115 | SCAN_FIELD("tp_src=", be16, src_port); | |
5116 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
5117 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4); | |
5118 | ||
5119 | SCAN_BEGIN("ct_tuple6(", struct ovs_key_ct_tuple_ipv6) { | |
5120 | SCAN_FIELD("src=", in6_addr, ipv6_src); | |
5121 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
5122 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
5123 | SCAN_FIELD("tp_src=", be16, src_port); | |
5124 | SCAN_FIELD("tp_dst=", be16, dst_port); | |
5125 | } SCAN_END(OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6); | |
5126 | ||
65da723b JG |
5127 | SCAN_BEGIN_NESTED("tunnel(", OVS_KEY_ATTR_TUNNEL) { |
5128 | SCAN_FIELD_NESTED("tun_id=", ovs_be64, be64, OVS_TUNNEL_KEY_ATTR_ID); | |
5129 | SCAN_FIELD_NESTED("src=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_SRC); | |
5130 | SCAN_FIELD_NESTED("dst=", ovs_be32, ipv4, OVS_TUNNEL_KEY_ATTR_IPV4_DST); | |
ffe4c74f JB |
5131 | SCAN_FIELD_NESTED("ipv6_src=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_SRC); |
5132 | SCAN_FIELD_NESTED("ipv6_dst=", struct in6_addr, in6_addr, OVS_TUNNEL_KEY_ATTR_IPV6_DST); | |
65da723b JG |
5133 | SCAN_FIELD_NESTED("tos=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TOS); |
5134 | SCAN_FIELD_NESTED("ttl=", uint8_t, u8, OVS_TUNNEL_KEY_ATTR_TTL); | |
5135 | SCAN_FIELD_NESTED("tp_src=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_SRC); | |
5136 | SCAN_FIELD_NESTED("tp_dst=", ovs_be16, be16, OVS_TUNNEL_KEY_ATTR_TP_DST); | |
5137 | SCAN_FIELD_NESTED_FUNC("vxlan(gbp(", uint32_t, vxlan_gbp, vxlan_gbp_to_attr); | |
622a0a8e JG |
5138 | SCAN_FIELD_NESTED_FUNC("geneve(", struct geneve_scan, geneve, |
5139 | geneve_to_attr); | |
65da723b JG |
5140 | SCAN_FIELD_NESTED_FUNC("flags(", uint16_t, tun_flags, tun_flags_to_attr); |
5141 | } SCAN_END_NESTED(); | |
2d18eae8 JR |
5142 | |
5143 | SCAN_SINGLE_PORT("in_port(", uint32_t, OVS_KEY_ATTR_IN_PORT); | |
5144 | ||
5145 | SCAN_BEGIN("eth(", struct ovs_key_ethernet) { | |
5146 | SCAN_FIELD("src=", eth, eth_src); | |
5147 | SCAN_FIELD("dst=", eth, eth_dst); | |
5148 | } SCAN_END(OVS_KEY_ATTR_ETHERNET); | |
5149 | ||
5150 | SCAN_BEGIN_INIT("vlan(", struct ovs_key_vlan__, | |
5151 | { htons(VLAN_CFI) }, { htons(VLAN_CFI) }) { | |
5152 | SCAN_FIELD("vid=", vid, tci); | |
5153 | SCAN_FIELD("pcp=", pcp, tci); | |
5154 | SCAN_FIELD("cfi=", cfi, tci); | |
5155 | } SCAN_END(OVS_KEY_ATTR_VLAN); | |
5156 | ||
5157 | SCAN_SINGLE("eth_type(", ovs_be16, be16, OVS_KEY_ATTR_ETHERTYPE); | |
5158 | ||
ab83c8c5 | 5159 | SCAN_BEGIN_ARRAY("mpls(", struct ovs_key_mpls, FLOW_MAX_MPLS_LABELS) { |
8f79bb4d JR |
5160 | SCAN_FIELD_ARRAY("label=", mpls_label, mpls_lse); |
5161 | SCAN_FIELD_ARRAY("tc=", mpls_tc, mpls_lse); | |
5162 | SCAN_FIELD_ARRAY("ttl=", mpls_ttl, mpls_lse); | |
5163 | SCAN_FIELD_ARRAY("bos=", mpls_bos, mpls_lse); | |
5164 | } SCAN_END_ARRAY(OVS_KEY_ATTR_MPLS); | |
2d18eae8 JR |
5165 | |
5166 | SCAN_BEGIN("ipv4(", struct ovs_key_ipv4) { | |
5167 | SCAN_FIELD("src=", ipv4, ipv4_src); | |
5168 | SCAN_FIELD("dst=", ipv4, ipv4_dst); | |
5169 | SCAN_FIELD("proto=", u8, ipv4_proto); | |
5170 | SCAN_FIELD("tos=", u8, ipv4_tos); | |
5171 | SCAN_FIELD("ttl=", u8, ipv4_ttl); | |
5172 | SCAN_FIELD("frag=", frag, ipv4_frag); | |
5173 | } SCAN_END(OVS_KEY_ATTR_IPV4); | |
5174 | ||
5175 | SCAN_BEGIN("ipv6(", struct ovs_key_ipv6) { | |
932c96b7 JR |
5176 | SCAN_FIELD("src=", in6_addr, ipv6_src); |
5177 | SCAN_FIELD("dst=", in6_addr, ipv6_dst); | |
2d18eae8 JR |
5178 | SCAN_FIELD("label=", ipv6_label, ipv6_label); |
5179 | SCAN_FIELD("proto=", u8, ipv6_proto); | |
5180 | SCAN_FIELD("tclass=", u8, ipv6_tclass); | |
5181 | SCAN_FIELD("hlimit=", u8, ipv6_hlimit); | |
5182 | SCAN_FIELD("frag=", frag, ipv6_frag); | |
5183 | } SCAN_END(OVS_KEY_ATTR_IPV6); | |
5184 | ||
5185 | SCAN_BEGIN("tcp(", struct ovs_key_tcp) { | |
5186 | SCAN_FIELD("src=", be16, tcp_src); | |
5187 | SCAN_FIELD("dst=", be16, tcp_dst); | |
5188 | } SCAN_END(OVS_KEY_ATTR_TCP); | |
5189 | ||
5190 | SCAN_SINGLE("tcp_flags(", ovs_be16, tcp_flags, OVS_KEY_ATTR_TCP_FLAGS); | |
5191 | ||
5192 | SCAN_BEGIN("udp(", struct ovs_key_udp) { | |
5193 | SCAN_FIELD("src=", be16, udp_src); | |
5194 | SCAN_FIELD("dst=", be16, udp_dst); | |
5195 | } SCAN_END(OVS_KEY_ATTR_UDP); | |
5196 | ||
5197 | SCAN_BEGIN("sctp(", struct ovs_key_sctp) { | |
5198 | SCAN_FIELD("src=", be16, sctp_src); | |
5199 | SCAN_FIELD("dst=", be16, sctp_dst); | |
5200 | } SCAN_END(OVS_KEY_ATTR_SCTP); | |
5201 | ||
5202 | SCAN_BEGIN("icmp(", struct ovs_key_icmp) { | |
5203 | SCAN_FIELD("type=", u8, icmp_type); | |
5204 | SCAN_FIELD("code=", u8, icmp_code); | |
5205 | } SCAN_END(OVS_KEY_ATTR_ICMP); | |
5206 | ||
5207 | SCAN_BEGIN("icmpv6(", struct ovs_key_icmpv6) { | |
5208 | SCAN_FIELD("type=", u8, icmpv6_type); | |
5209 | SCAN_FIELD("code=", u8, icmpv6_code); | |
5210 | } SCAN_END(OVS_KEY_ATTR_ICMPV6); | |
5211 | ||
5212 | SCAN_BEGIN("arp(", struct ovs_key_arp) { | |
5213 | SCAN_FIELD("sip=", ipv4, arp_sip); | |
5214 | SCAN_FIELD("tip=", ipv4, arp_tip); | |
5215 | SCAN_FIELD("op=", be16, arp_op); | |
5216 | SCAN_FIELD("sha=", eth, arp_sha); | |
5217 | SCAN_FIELD("tha=", eth, arp_tha); | |
5218 | } SCAN_END(OVS_KEY_ATTR_ARP); | |
5219 | ||
5220 | SCAN_BEGIN("nd(", struct ovs_key_nd) { | |
932c96b7 | 5221 | SCAN_FIELD("target=", in6_addr, nd_target); |
2d18eae8 JR |
5222 | SCAN_FIELD("sll=", eth, nd_sll); |
5223 | SCAN_FIELD("tll=", eth, nd_tll); | |
5224 | } SCAN_END(OVS_KEY_ATTR_ND); | |
5225 | ||
3d4b2e6e JS |
5226 | struct packet_type { |
5227 | ovs_be16 ns; | |
5228 | ovs_be16 id; | |
5229 | }; | |
5230 | SCAN_BEGIN("packet_type(", struct packet_type) { | |
5231 | SCAN_FIELD("ns=", be16, ns); | |
5232 | SCAN_FIELD("id=", be16, id); | |
5233 | } SCAN_END(OVS_KEY_ATTR_PACKET_TYPE); | |
5234 | ||
f59cb331 YY |
5235 | /* nsh is nested, it needs special process */ |
5236 | int ret = parse_odp_nsh_key_mask_attr(s, key, mask); | |
5237 | if (ret < 0) { | |
5238 | return ret; | |
5239 | } else { | |
5240 | s += ret; | |
5241 | } | |
3d2fbd70 | 5242 | |
2d18eae8 | 5243 | /* Encap open-coded. */ |
fea393b1 BP |
5244 | if (!strncmp(s, "encap(", 6)) { |
5245 | const char *start = s; | |
e6cc0bab | 5246 | size_t encap, encap_mask = 0; |
fea393b1 BP |
5247 | |
5248 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); | |
e6cc0bab AZ |
5249 | if (mask) { |
5250 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
5251 | } | |
fea393b1 BP |
5252 | |
5253 | s += 6; | |
5254 | for (;;) { | |
5255 | int retval; | |
5256 | ||
70fbe375 | 5257 | s += strspn(s, delimiters); |
fea393b1 BP |
5258 | if (!*s) { |
5259 | return -EINVAL; | |
5260 | } else if (*s == ')') { | |
5261 | break; | |
5262 | } | |
5263 | ||
e6cc0bab | 5264 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
fea393b1 BP |
5265 | if (retval < 0) { |
5266 | return retval; | |
5267 | } | |
5268 | s += retval; | |
5269 | } | |
5270 | s++; | |
5271 | ||
5272 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
5273 | if (mask) { |
5274 | nl_msg_end_nested(mask, encap_mask); | |
5275 | } | |
fea393b1 BP |
5276 | |
5277 | return s - start; | |
5278 | } | |
5279 | ||
3bffc610 BP |
5280 | return -EINVAL; |
5281 | } | |
5282 | ||
df2c07f4 JP |
5283 | /* Parses the string representation of a datapath flow key, in the |
5284 | * format output by odp_flow_key_format(). Returns 0 if successful, | |
5285 | * otherwise a positive errno value. On success, the flow key is | |
5286 | * appended to 'key' as a series of Netlink attributes. On failure, no | |
5287 | * data is appended to 'key'. Either way, 'key''s data might be | |
5288 | * reallocated. | |
3bffc610 | 5289 | * |
44bac24b BP |
5290 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
5291 | * to a port number. (Port names may be used instead of port numbers in | |
5292 | * in_port.) | |
b2a60db8 | 5293 | * |
3bffc610 BP |
5294 | * On success, the attributes appended to 'key' are individually syntactically |
5295 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 5296 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 5297 | int |
e6cc0bab AZ |
5298 | odp_flow_from_string(const char *s, const struct simap *port_names, |
5299 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 | 5300 | { |
6fd6ed71 | 5301 | const size_t old_size = key->size; |
3bffc610 BP |
5302 | for (;;) { |
5303 | int retval; | |
5304 | ||
7202cbe5 | 5305 | s += strspn(s, delimiters); |
3bffc610 BP |
5306 | if (!*s) { |
5307 | return 0; | |
5308 | } | |
5309 | ||
e6cc0bab | 5310 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
3bffc610 | 5311 | if (retval < 0) { |
6fd6ed71 | 5312 | key->size = old_size; |
3bffc610 BP |
5313 | return -retval; |
5314 | } | |
5315 | s += retval; | |
5316 | } | |
5317 | ||
5318 | return 0; | |
5319 | } | |
5320 | ||
7257b535 | 5321 | static uint8_t |
3cea18ec | 5322 | ovs_to_odp_frag(uint8_t nw_frag, bool is_mask) |
7257b535 | 5323 | { |
3cea18ec JR |
5324 | if (is_mask) { |
5325 | /* Netlink interface 'enum ovs_frag_type' is an 8-bit enumeration type, | |
5326 | * not a set of flags or bitfields. Hence, if the struct flow nw_frag | |
5327 | * mask, which is a set of bits, has the FLOW_NW_FRAG_ANY as zero, we | |
5328 | * must use a zero mask for the netlink frag field, and all ones mask | |
5329 | * otherwise. */ | |
5330 | return (nw_frag & FLOW_NW_FRAG_ANY) ? UINT8_MAX : 0; | |
5331 | } | |
2c0f0be1 JR |
5332 | return !(nw_frag & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_NONE |
5333 | : nw_frag & FLOW_NW_FRAG_LATER ? OVS_FRAG_TYPE_LATER | |
5334 | : OVS_FRAG_TYPE_FIRST; | |
7257b535 BP |
5335 | } |
5336 | ||
3cea18ec JR |
5337 | static void get_ethernet_key(const struct flow *, struct ovs_key_ethernet *); |
5338 | static void put_ethernet_key(const struct ovs_key_ethernet *, struct flow *); | |
5339 | static void get_ipv4_key(const struct flow *, struct ovs_key_ipv4 *, | |
5340 | bool is_mask); | |
5341 | static void put_ipv4_key(const struct ovs_key_ipv4 *, struct flow *, | |
5342 | bool is_mask); | |
5343 | static void get_ipv6_key(const struct flow *, struct ovs_key_ipv6 *, | |
5344 | bool is_mask); | |
5345 | static void put_ipv6_key(const struct ovs_key_ipv6 *, struct flow *, | |
5346 | bool is_mask); | |
5347 | static void get_arp_key(const struct flow *, struct ovs_key_arp *); | |
5348 | static void put_arp_key(const struct ovs_key_arp *, struct flow *); | |
e60e935b SRCSA |
5349 | static void get_nd_key(const struct flow *, struct ovs_key_nd *); |
5350 | static void put_nd_key(const struct ovs_key_nd *, struct flow *); | |
3d2fbd70 JS |
5351 | static void get_nsh_key(const struct flow *flow, struct ovs_key_nsh *nsh, |
5352 | bool is_mask); | |
5353 | static void put_nsh_key(const struct ovs_key_nsh *nsh, struct flow *flow, | |
5354 | bool is_mask); | |
3cea18ec JR |
5355 | |
5356 | /* These share the same layout. */ | |
5357 | union ovs_key_tp { | |
5358 | struct ovs_key_tcp tcp; | |
5359 | struct ovs_key_udp udp; | |
5360 | struct ovs_key_sctp sctp; | |
5361 | }; | |
5362 | ||
5363 | static void get_tp_key(const struct flow *, union ovs_key_tp *); | |
5364 | static void put_tp_key(const union ovs_key_tp *, struct flow *); | |
431495b1 | 5365 | |
661cbcd5 | 5366 | static void |
5262eea1 JG |
5367 | odp_flow_key_from_flow__(const struct odp_flow_key_parms *parms, |
5368 | bool export_mask, struct ofpbuf *buf) | |
14608a15 | 5369 | { |
df2c07f4 | 5370 | struct ovs_key_ethernet *eth_key; |
f0fb825a EG |
5371 | size_t encap[FLOW_MAX_VLAN_HEADERS] = {0}; |
5372 | size_t max_vlans; | |
5262eea1 | 5373 | const struct flow *flow = parms->flow; |
beb75a40 JS |
5374 | const struct flow *mask = parms->mask; |
5375 | const struct flow *data = export_mask ? mask : flow; | |
661cbcd5 | 5376 | |
54bb0348 | 5377 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority); |
abff858b | 5378 | |
ffe4c74f | 5379 | if (flow_tnl_dst_is_set(&flow->tunnel) || export_mask) { |
ec1f6f32 JG |
5380 | tun_key_to_attr(buf, &data->tunnel, &parms->flow->tunnel, |
5381 | parms->key_buf); | |
36956a7d BP |
5382 | } |
5383 | ||
1362e248 | 5384 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark); |
72e8bf28 | 5385 | |
07659514 JS |
5386 | if (parms->support.ct_state) { |
5387 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
5388 | ovs_to_odp_ct_state(data->ct_state)); | |
5389 | } | |
5390 | if (parms->support.ct_zone) { | |
5391 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, data->ct_zone); | |
5392 | } | |
8e53fe8c JS |
5393 | if (parms->support.ct_mark) { |
5394 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, data->ct_mark); | |
5395 | } | |
9daf2348 JS |
5396 | if (parms->support.ct_label) { |
5397 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &data->ct_label, | |
5398 | sizeof(data->ct_label)); | |
5399 | } | |
7b5bbe5d JS |
5400 | if (flow->ct_nw_proto) { |
5401 | if (parms->support.ct_orig_tuple | |
5402 | && flow->dl_type == htons(ETH_TYPE_IP)) { | |
daf4d3c1 JR |
5403 | struct ovs_key_ct_tuple_ipv4 ct = { |
5404 | data->ct_nw_src, | |
5405 | data->ct_nw_dst, | |
5406 | data->ct_tp_src, | |
5407 | data->ct_tp_dst, | |
5408 | data->ct_nw_proto, | |
5409 | }; | |
5410 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, &ct, | |
5411 | sizeof ct); | |
7b5bbe5d JS |
5412 | } else if (parms->support.ct_orig_tuple6 |
5413 | && flow->dl_type == htons(ETH_TYPE_IPV6)) { | |
daf4d3c1 JR |
5414 | struct ovs_key_ct_tuple_ipv6 ct = { |
5415 | data->ct_ipv6_src, | |
5416 | data->ct_ipv6_dst, | |
5417 | data->ct_tp_src, | |
5418 | data->ct_tp_dst, | |
5419 | data->ct_nw_proto, | |
5420 | }; | |
5421 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, &ct, | |
5422 | sizeof ct); | |
5423 | } | |
5424 | } | |
2494ccd7 | 5425 | if (parms->support.recirc) { |
572f732a | 5426 | nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id); |
572f732a AZ |
5427 | nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash); |
5428 | } | |
5429 | ||
098d2a97 | 5430 | /* Add an ingress port attribute if this is a mask or 'in_port.odp_port' |
661cbcd5 | 5431 | * is not the magical value "ODPP_NONE". */ |
098d2a97 JG |
5432 | if (export_mask || flow->in_port.odp_port != ODPP_NONE) { |
5433 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, data->in_port.odp_port); | |
18886b60 | 5434 | } |
36956a7d | 5435 | |
3d4b2e6e | 5436 | nl_msg_put_be32(buf, OVS_KEY_ATTR_PACKET_TYPE, data->packet_type); |
36956a7d | 5437 | |
f0fb825a EG |
5438 | if (OVS_UNLIKELY(parms->probe)) { |
5439 | max_vlans = FLOW_MAX_VLAN_HEADERS; | |
5440 | } else { | |
5441 | max_vlans = MIN(parms->support.max_vlan_headers, flow_vlan_limit); | |
5442 | } | |
f0fb825a | 5443 | |
beb75a40 JS |
5444 | /* Conditionally add L2 attributes for Ethernet packets */ |
5445 | if (flow->packet_type == htonl(PT_ETH)) { | |
5446 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, | |
5447 | sizeof *eth_key); | |
5448 | get_ethernet_key(data, eth_key); | |
5449 | ||
5450 | for (int encaps = 0; encaps < max_vlans; encaps++) { | |
5451 | ovs_be16 tpid = flow->vlans[encaps].tpid; | |
5452 | ||
5453 | if (flow->vlans[encaps].tci == htons(0)) { | |
5454 | if (eth_type_vlan(flow->dl_type)) { | |
5455 | /* If VLAN was truncated the tpid is in dl_type */ | |
5456 | tpid = flow->dl_type; | |
5457 | } else { | |
5458 | break; | |
5459 | } | |
f0fb825a | 5460 | } |
f0fb825a | 5461 | |
beb75a40 JS |
5462 | if (export_mask) { |
5463 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); | |
5464 | } else { | |
5465 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, tpid); | |
5466 | } | |
5467 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlans[encaps].tci); | |
5468 | encap[encaps] = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); | |
5469 | if (flow->vlans[encaps].tci == htons(0)) { | |
5470 | goto unencap; | |
5471 | } | |
8ddc056d | 5472 | } |
36956a7d BP |
5473 | } |
5474 | ||
5475 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
661cbcd5 JP |
5476 | /* For backwards compatibility with kernels that don't support |
5477 | * wildcarding, the following convention is used to encode the | |
5478 | * OVS_KEY_ATTR_ETHERTYPE for key and mask: | |
5479 | * | |
5480 | * key mask matches | |
5481 | * -------- -------- ------- | |
5482 | * >0x5ff 0xffff Specified Ethernet II Ethertype. | |
5483 | * >0x5ff 0 Any Ethernet II or non-Ethernet II frame. | |
5484 | * <none> 0xffff Any non-Ethernet II frame (except valid | |
5485 | * 802.3 SNAP packet with valid eth_type). | |
5486 | */ | |
fbfe01de | 5487 | if (export_mask) { |
b8266395 | 5488 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
661cbcd5 | 5489 | } |
fea393b1 | 5490 | goto unencap; |
36956a7d BP |
5491 | } |
5492 | ||
661cbcd5 | 5493 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type); |
36956a7d | 5494 | |
f0fb825a EG |
5495 | if (eth_type_vlan(flow->dl_type)) { |
5496 | goto unencap; | |
5497 | } | |
5498 | ||
36956a7d | 5499 | if (flow->dl_type == htons(ETH_TYPE_IP)) { |
df2c07f4 | 5500 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 5501 | |
df2c07f4 | 5502 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d | 5503 | sizeof *ipv4_key); |
3cea18ec | 5504 | get_ipv4_key(data, ipv4_key, export_mask); |
d31f1109 | 5505 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 5506 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 5507 | |
df2c07f4 | 5508 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 | 5509 | sizeof *ipv6_key); |
3cea18ec | 5510 | get_ipv6_key(data, ipv6_key, export_mask); |
8087f5ff MM |
5511 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
5512 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 5513 | struct ovs_key_arp *arp_key; |
d31f1109 | 5514 | |
3cea18ec JR |
5515 | arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP, |
5516 | sizeof *arp_key); | |
5517 | get_arp_key(data, arp_key); | |
b0a17866 | 5518 | } else if (eth_type_mpls(flow->dl_type)) { |
b02475c5 | 5519 | struct ovs_key_mpls *mpls_key; |
8bfd0fda | 5520 | int i, n; |
b02475c5 | 5521 | |
8bfd0fda | 5522 | n = flow_count_mpls_labels(flow, NULL); |
5262eea1 | 5523 | if (export_mask) { |
2494ccd7 | 5524 | n = MIN(n, parms->support.max_mpls_depth); |
5262eea1 | 5525 | } |
b02475c5 | 5526 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, |
8bfd0fda BP |
5527 | n * sizeof *mpls_key); |
5528 | for (i = 0; i < n; i++) { | |
5529 | mpls_key[i].mpls_lse = data->mpls_lse[i]; | |
5530 | } | |
3d2fbd70 | 5531 | } else if (flow->dl_type == htons(ETH_TYPE_NSH)) { |
f59cb331 | 5532 | nsh_key_to_attr(buf, &data->nsh, NULL, 0, export_mask); |
b02475c5 SH |
5533 | } |
5534 | ||
48cecbdc | 5535 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 5536 | if (flow->nw_proto == IPPROTO_TCP) { |
3cea18ec | 5537 | union ovs_key_tp *tcp_key; |
36956a7d | 5538 | |
df2c07f4 | 5539 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d | 5540 | sizeof *tcp_key); |
3cea18ec | 5541 | get_tp_key(data, tcp_key); |
7cb32412 | 5542 | if (data->tcp_flags || (mask && mask->tcp_flags)) { |
dc235f7f JR |
5543 | nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags); |
5544 | } | |
6767a2cc | 5545 | } else if (flow->nw_proto == IPPROTO_UDP) { |
3cea18ec | 5546 | union ovs_key_tp *udp_key; |
36956a7d | 5547 | |
df2c07f4 | 5548 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d | 5549 | sizeof *udp_key); |
3cea18ec | 5550 | get_tp_key(data, udp_key); |
c6bcb685 | 5551 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
3cea18ec | 5552 | union ovs_key_tp *sctp_key; |
c6bcb685 JS |
5553 | |
5554 | sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP, | |
5555 | sizeof *sctp_key); | |
3cea18ec | 5556 | get_tp_key(data, sctp_key); |
d31f1109 JP |
5557 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
5558 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 5559 | struct ovs_key_icmp *icmp_key; |
36956a7d | 5560 | |
df2c07f4 | 5561 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d | 5562 | sizeof *icmp_key); |
661cbcd5 JP |
5563 | icmp_key->icmp_type = ntohs(data->tp_src); |
5564 | icmp_key->icmp_code = ntohs(data->tp_dst); | |
d31f1109 JP |
5565 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
5566 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 5567 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 5568 | |
df2c07f4 | 5569 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 | 5570 | sizeof *icmpv6_key); |
661cbcd5 JP |
5571 | icmpv6_key->icmpv6_type = ntohs(data->tp_src); |
5572 | icmpv6_key->icmpv6_code = ntohs(data->tp_dst); | |
685a51a5 | 5573 | |
c17fcc0a | 5574 | if (is_nd(flow, NULL) |
a63e3dc9 DDP |
5575 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, ICMP |
5576 | * type and code are 8 bits wide. Therefore, an exact match | |
5577 | * looks like htons(0xff), not htons(0xffff). See | |
5578 | * xlate_wc_finish() for details. */ | |
5579 | && (!export_mask || (data->tp_src == htons(0xff) | |
5580 | && data->tp_dst == htons(0xff)))) { | |
6f8dbd27 | 5581 | |
df2c07f4 | 5582 | struct ovs_key_nd *nd_key; |
685a51a5 | 5583 | |
df2c07f4 | 5584 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 | 5585 | sizeof *nd_key); |
932c96b7 | 5586 | nd_key->nd_target = data->nd_target; |
74ff3298 JR |
5587 | nd_key->nd_sll = data->arp_sha; |
5588 | nd_key->nd_tll = data->arp_tha; | |
685a51a5 | 5589 | } |
36956a7d | 5590 | } |
36956a7d | 5591 | } |
fea393b1 BP |
5592 | |
5593 | unencap: | |
f0fb825a EG |
5594 | for (int encaps = max_vlans - 1; encaps >= 0; encaps--) { |
5595 | if (encap[encaps]) { | |
5596 | nl_msg_end_nested(buf, encap[encaps]); | |
5597 | } | |
fea393b1 | 5598 | } |
36956a7d | 5599 | } |
661cbcd5 JP |
5600 | |
5601 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. | |
661cbcd5 JP |
5602 | * |
5603 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 5604 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 5605 | void |
5262eea1 JG |
5606 | odp_flow_key_from_flow(const struct odp_flow_key_parms *parms, |
5607 | struct ofpbuf *buf) | |
661cbcd5 | 5608 | { |
5262eea1 | 5609 | odp_flow_key_from_flow__(parms, false, buf); |
661cbcd5 JP |
5610 | } |
5611 | ||
5612 | /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to | |
5262eea1 | 5613 | * 'buf'. |
661cbcd5 JP |
5614 | * |
5615 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
5262eea1 | 5616 | * capable of being expanded to allow for that much space. */ |
661cbcd5 | 5617 | void |
5262eea1 JG |
5618 | odp_flow_key_from_mask(const struct odp_flow_key_parms *parms, |
5619 | struct ofpbuf *buf) | |
661cbcd5 | 5620 | { |
5262eea1 | 5621 | odp_flow_key_from_flow__(parms, true, buf); |
661cbcd5 | 5622 | } |
36956a7d | 5623 | |
758c456d JR |
5624 | /* Generate ODP flow key from the given packet metadata */ |
5625 | void | |
beb75a40 | 5626 | odp_key_from_dp_packet(struct ofpbuf *buf, const struct dp_packet *packet) |
758c456d | 5627 | { |
beb75a40 JS |
5628 | const struct pkt_metadata *md = &packet->md; |
5629 | ||
758c456d JR |
5630 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority); |
5631 | ||
ffe4c74f | 5632 | if (flow_tnl_dst_is_set(&md->tunnel)) { |
ec1f6f32 | 5633 | tun_key_to_attr(buf, &md->tunnel, &md->tunnel, NULL); |
758c456d JR |
5634 | } |
5635 | ||
5636 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark); | |
5637 | ||
07659514 JS |
5638 | if (md->ct_state) { |
5639 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_STATE, | |
5640 | ovs_to_odp_ct_state(md->ct_state)); | |
5641 | if (md->ct_zone) { | |
5642 | nl_msg_put_u16(buf, OVS_KEY_ATTR_CT_ZONE, md->ct_zone); | |
5643 | } | |
8e53fe8c JS |
5644 | if (md->ct_mark) { |
5645 | nl_msg_put_u32(buf, OVS_KEY_ATTR_CT_MARK, md->ct_mark); | |
5646 | } | |
2ff8484b | 5647 | if (!ovs_u128_is_zero(md->ct_label)) { |
9daf2348 JS |
5648 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_LABELS, &md->ct_label, |
5649 | sizeof(md->ct_label)); | |
5650 | } | |
daf4d3c1 JR |
5651 | if (md->ct_orig_tuple_ipv6) { |
5652 | if (md->ct_orig_tuple.ipv6.ipv6_proto) { | |
5653 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, | |
5654 | &md->ct_orig_tuple.ipv6, | |
5655 | sizeof md->ct_orig_tuple.ipv6); | |
5656 | } | |
5657 | } else { | |
5658 | if (md->ct_orig_tuple.ipv4.ipv4_proto) { | |
5659 | nl_msg_put_unspec(buf, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, | |
5660 | &md->ct_orig_tuple.ipv4, | |
5661 | sizeof md->ct_orig_tuple.ipv4); | |
5662 | } | |
5663 | } | |
07659514 JS |
5664 | } |
5665 | ||
758c456d JR |
5666 | /* Add an ingress port attribute if 'odp_in_port' is not the magical |
5667 | * value "ODPP_NONE". */ | |
b5e7e61a AZ |
5668 | if (md->in_port.odp_port != ODPP_NONE) { |
5669 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port); | |
758c456d | 5670 | } |
beb75a40 JS |
5671 | |
5672 | /* Add OVS_KEY_ATTR_ETHERNET for non-Ethernet packets */ | |
5673 | if (pt_ns(packet->packet_type) == OFPHTN_ETHERTYPE) { | |
5674 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, | |
5675 | pt_ns_type_be(packet->packet_type)); | |
5676 | } | |
758c456d JR |
5677 | } |
5678 | ||
5679 | /* Generate packet metadata from the given ODP flow key. */ | |
5680 | void | |
beb75a40 JS |
5681 | odp_key_to_dp_packet(const struct nlattr *key, size_t key_len, |
5682 | struct dp_packet *packet) | |
758c456d | 5683 | { |
beb75a40 | 5684 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
758c456d | 5685 | const struct nlattr *nla; |
beb75a40 JS |
5686 | struct pkt_metadata *md = &packet->md; |
5687 | ovs_be32 packet_type = htonl(PT_UNKNOWN); | |
5688 | ovs_be16 ethertype = 0; | |
758c456d | 5689 | size_t left; |
758c456d | 5690 | |
35303d71 | 5691 | pkt_metadata_init(md, ODPP_NONE); |
758c456d JR |
5692 | |
5693 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { | |
08ef583d | 5694 | enum ovs_key_attr type = nl_attr_type(nla); |
758c456d | 5695 | size_t len = nl_attr_get_size(nla); |
6b8da9e9 JG |
5696 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
5697 | OVS_KEY_ATTR_MAX, type); | |
758c456d JR |
5698 | |
5699 | if (len != expected_len && expected_len >= 0) { | |
5700 | continue; | |
5701 | } | |
5702 | ||
572f732a AZ |
5703 | switch (type) { |
5704 | case OVS_KEY_ATTR_RECIRC_ID: | |
5705 | md->recirc_id = nl_attr_get_u32(nla); | |
572f732a AZ |
5706 | break; |
5707 | case OVS_KEY_ATTR_DP_HASH: | |
5708 | md->dp_hash = nl_attr_get_u32(nla); | |
572f732a AZ |
5709 | break; |
5710 | case OVS_KEY_ATTR_PRIORITY: | |
758c456d | 5711 | md->skb_priority = nl_attr_get_u32(nla); |
572f732a AZ |
5712 | break; |
5713 | case OVS_KEY_ATTR_SKB_MARK: | |
758c456d | 5714 | md->pkt_mark = nl_attr_get_u32(nla); |
572f732a | 5715 | break; |
07659514 JS |
5716 | case OVS_KEY_ATTR_CT_STATE: |
5717 | md->ct_state = odp_to_ovs_ct_state(nl_attr_get_u32(nla)); | |
07659514 JS |
5718 | break; |
5719 | case OVS_KEY_ATTR_CT_ZONE: | |
5720 | md->ct_zone = nl_attr_get_u16(nla); | |
07659514 | 5721 | break; |
8e53fe8c JS |
5722 | case OVS_KEY_ATTR_CT_MARK: |
5723 | md->ct_mark = nl_attr_get_u32(nla); | |
8e53fe8c | 5724 | break; |
9daf2348 | 5725 | case OVS_KEY_ATTR_CT_LABELS: { |
ab79d262 | 5726 | md->ct_label = nl_attr_get_u128(nla); |
9daf2348 JS |
5727 | break; |
5728 | } | |
daf4d3c1 JR |
5729 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4: { |
5730 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(nla); | |
5731 | md->ct_orig_tuple.ipv4 = *ct; | |
5732 | md->ct_orig_tuple_ipv6 = false; | |
daf4d3c1 JR |
5733 | break; |
5734 | } | |
5735 | case OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6: { | |
5736 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(nla); | |
5737 | ||
5738 | md->ct_orig_tuple.ipv6 = *ct; | |
5739 | md->ct_orig_tuple_ipv6 = true; | |
daf4d3c1 JR |
5740 | break; |
5741 | } | |
572f732a | 5742 | case OVS_KEY_ATTR_TUNNEL: { |
758c456d JR |
5743 | enum odp_key_fitness res; |
5744 | ||
8d8ab6c2 | 5745 | res = odp_tun_key_from_attr(nla, &md->tunnel); |
758c456d JR |
5746 | if (res == ODP_FIT_ERROR) { |
5747 | memset(&md->tunnel, 0, sizeof md->tunnel); | |
758c456d | 5748 | } |
572f732a AZ |
5749 | break; |
5750 | } | |
5751 | case OVS_KEY_ATTR_IN_PORT: | |
b5e7e61a | 5752 | md->in_port.odp_port = nl_attr_get_odp_port(nla); |
572f732a | 5753 | break; |
beb75a40 JS |
5754 | case OVS_KEY_ATTR_ETHERNET: |
5755 | /* Presence of OVS_KEY_ATTR_ETHERNET indicates Ethernet packet. */ | |
5756 | packet_type = htonl(PT_ETH); | |
beb75a40 JS |
5757 | break; |
5758 | case OVS_KEY_ATTR_ETHERTYPE: | |
5759 | ethertype = nl_attr_get_be16(nla); | |
beb75a40 | 5760 | break; |
08ef583d YHW |
5761 | case OVS_KEY_ATTR_UNSPEC: |
5762 | case OVS_KEY_ATTR_ENCAP: | |
5763 | case OVS_KEY_ATTR_VLAN: | |
5764 | case OVS_KEY_ATTR_IPV4: | |
5765 | case OVS_KEY_ATTR_IPV6: | |
5766 | case OVS_KEY_ATTR_TCP: | |
5767 | case OVS_KEY_ATTR_UDP: | |
5768 | case OVS_KEY_ATTR_ICMP: | |
5769 | case OVS_KEY_ATTR_ICMPV6: | |
5770 | case OVS_KEY_ATTR_ARP: | |
5771 | case OVS_KEY_ATTR_ND: | |
5772 | case OVS_KEY_ATTR_SCTP: | |
5773 | case OVS_KEY_ATTR_TCP_FLAGS: | |
5774 | case OVS_KEY_ATTR_MPLS: | |
5775 | case OVS_KEY_ATTR_PACKET_TYPE: | |
3d2fbd70 | 5776 | case OVS_KEY_ATTR_NSH: |
08ef583d | 5777 | case __OVS_KEY_ATTR_MAX: |
572f732a AZ |
5778 | default: |
5779 | break; | |
758c456d | 5780 | } |
758c456d | 5781 | } |
beb75a40 JS |
5782 | |
5783 | if (packet_type == htonl(PT_ETH)) { | |
5784 | packet->packet_type = htonl(PT_ETH); | |
5785 | } else if (packet_type == htonl(PT_UNKNOWN) && ethertype != 0) { | |
5786 | packet->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
5787 | ntohs(ethertype)); | |
5788 | } else { | |
5789 | VLOG_ERR_RL(&rl, "Packet without ETHERTYPE. Unknown packet_type."); | |
5790 | } | |
758c456d JR |
5791 | } |
5792 | ||
b0f7b9b5 BP |
5793 | uint32_t |
5794 | odp_flow_key_hash(const struct nlattr *key, size_t key_len) | |
5795 | { | |
5796 | BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t))); | |
0a96a21b | 5797 | return hash_bytes32(ALIGNED_CAST(const uint32_t *, key), key_len, 0); |
b0f7b9b5 BP |
5798 | } |
5799 | ||
34118cae BP |
5800 | static void |
5801 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 5802 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
5803 | const struct nlattr *key, size_t key_len) |
5804 | { | |
5805 | struct ds s; | |
5806 | int i; | |
5807 | ||
b0f7b9b5 | 5808 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
5809 | return; |
5810 | } | |
5811 | ||
5812 | ds_init(&s); | |
b0f7b9b5 BP |
5813 | for (i = 0; i < 64; i++) { |
5814 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
5815 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
5816 | ||
5817 | ds_put_format(&s, " %s", | |
5818 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
5819 | } |
5820 | } | |
b0f7b9b5 BP |
5821 | if (out_of_range_attr) { |
5822 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
5823 | } | |
34118cae BP |
5824 | |
5825 | ds_put_cstr(&s, ": "); | |
5826 | odp_flow_key_format(key, key_len, &s); | |
5827 | ||
b0f7b9b5 | 5828 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
5829 | ds_destroy(&s); |
5830 | } | |
5831 | ||
3cea18ec JR |
5832 | static uint8_t |
5833 | odp_to_ovs_frag(uint8_t odp_frag, bool is_mask) | |
7257b535 | 5834 | { |
34118cae BP |
5835 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
5836 | ||
3cea18ec JR |
5837 | if (is_mask) { |
5838 | return odp_frag ? FLOW_NW_FRAG_MASK : 0; | |
5839 | } | |
5840 | ||
9e44d715 | 5841 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 5842 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
3cea18ec | 5843 | return 0xff; /* Error. */ |
7257b535 BP |
5844 | } |
5845 | ||
3cea18ec JR |
5846 | return (odp_frag == OVS_FRAG_TYPE_NONE) ? 0 |
5847 | : (odp_frag == OVS_FRAG_TYPE_FIRST) ? FLOW_NW_FRAG_ANY | |
5848 | : FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER; | |
7257b535 BP |
5849 | } |
5850 | ||
b0f7b9b5 | 5851 | static bool |
fea393b1 | 5852 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 BP |
5853 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
5854 | int *out_of_range_attrp) | |
36956a7d | 5855 | { |
b0f7b9b5 | 5856 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 5857 | const struct nlattr *nla; |
34118cae | 5858 | uint64_t present_attrs; |
36956a7d BP |
5859 | size_t left; |
5860 | ||
2aef1214 | 5861 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 5862 | present_attrs = 0; |
b0f7b9b5 | 5863 | *out_of_range_attrp = 0; |
36956a7d | 5864 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
5865 | uint16_t type = nl_attr_type(nla); |
5866 | size_t len = nl_attr_get_size(nla); | |
6b8da9e9 JG |
5867 | int expected_len = odp_key_attr_len(ovs_flow_key_attr_lens, |
5868 | OVS_KEY_ATTR_MAX, type); | |
34118cae | 5869 | |
b0f7b9b5 | 5870 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
5871 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
5872 | ||
34582733 | 5873 | VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have " |
e6603631 BP |
5874 | "length %d", ovs_key_attr_to_string(type, namebuf, |
5875 | sizeof namebuf), | |
b0f7b9b5 BP |
5876 | len, expected_len); |
5877 | return false; | |
34118cae BP |
5878 | } |
5879 | ||
2aef1214 | 5880 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
5881 | *out_of_range_attrp = type; |
5882 | } else { | |
5883 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
5884 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
5885 | ||
b0f7b9b5 | 5886 | VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key", |
e6603631 BP |
5887 | ovs_key_attr_to_string(type, |
5888 | namebuf, sizeof namebuf)); | |
b0f7b9b5 BP |
5889 | return false; |
5890 | } | |
5891 | ||
5892 | present_attrs |= UINT64_C(1) << type; | |
5893 | attrs[type] = nla; | |
5894 | } | |
34118cae BP |
5895 | } |
5896 | if (left) { | |
5897 | VLOG_ERR_RL(&rl, "trailing garbage in flow key"); | |
b0f7b9b5 | 5898 | return false; |
34118cae BP |
5899 | } |
5900 | ||
fea393b1 | 5901 | *present_attrsp = present_attrs; |
b0f7b9b5 | 5902 | return true; |
fea393b1 BP |
5903 | } |
5904 | ||
b0f7b9b5 BP |
5905 | static enum odp_key_fitness |
5906 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
5907 | uint64_t expected_attrs, | |
fea393b1 BP |
5908 | const struct nlattr *key, size_t key_len) |
5909 | { | |
5910 | uint64_t missing_attrs; | |
5911 | uint64_t extra_attrs; | |
5912 | ||
5913 | missing_attrs = expected_attrs & ~present_attrs; | |
5914 | if (missing_attrs) { | |
b0f7b9b5 BP |
5915 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
5916 | log_odp_key_attributes(&rl, "expected but not present", | |
5917 | missing_attrs, 0, key, key_len); | |
5918 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
5919 | } |
5920 | ||
5921 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
5922 | if (extra_attrs || out_of_range_attr) { |
5923 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
5924 | log_odp_key_attributes(&rl, "present but not expected", | |
5925 | extra_attrs, out_of_range_attr, key, key_len); | |
5926 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
5927 | } |
5928 | ||
b0f7b9b5 | 5929 | return ODP_FIT_PERFECT; |
fea393b1 BP |
5930 | } |
5931 | ||
b0f7b9b5 BP |
5932 | static bool |
5933 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
5934 | uint64_t present_attrs, uint64_t *expected_attrs, | |
4a221615 | 5935 | struct flow *flow, const struct flow *src_flow) |
fea393b1 BP |
5936 | { |
5937 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 5938 | bool is_mask = flow != src_flow; |
36956a7d | 5939 | |
fea393b1 | 5940 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae | 5941 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
4a221615 | 5942 | if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) { |
34118cae BP |
5943 | VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key", |
5944 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 5945 | return false; |
34118cae | 5946 | } |
4a221615 GY |
5947 | if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN && |
5948 | flow->dl_type != htons(0xffff)) { | |
5949 | return false; | |
5950 | } | |
b0f7b9b5 | 5951 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae | 5952 | } else { |
4a221615 | 5953 | if (!is_mask) { |
beb75a40 JS |
5954 | /* Default ethertype for well-known L3 packets. */ |
5955 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { | |
5956 | flow->dl_type = htons(ETH_TYPE_IP); | |
5957 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { | |
5958 | flow->dl_type = htons(ETH_TYPE_IPV6); | |
5959 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
5960 | flow->dl_type = htons(ETH_TYPE_MPLS); | |
5961 | } else { | |
5962 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
5963 | } | |
5964 | } else if (src_flow->packet_type != htonl(PT_ETH)) { | |
5965 | /* dl_type is mandatory for non-Ethernet packets */ | |
5966 | flow->dl_type = htons(0xffff); | |
4a221615 GY |
5967 | } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) { |
5968 | /* See comments in odp_flow_key_from_flow__(). */ | |
5969 | VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame"); | |
5970 | return false; | |
5971 | } | |
34118cae | 5972 | } |
b0f7b9b5 BP |
5973 | return true; |
5974 | } | |
5975 | ||
5976 | static enum odp_key_fitness | |
b02475c5 SH |
5977 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
5978 | uint64_t present_attrs, int out_of_range_attr, | |
5979 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 | 5980 | const struct nlattr *key, size_t key_len, |
91a77332 | 5981 | const struct flow *src_flow) |
b0f7b9b5 BP |
5982 | { |
5983 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 GY |
5984 | bool is_mask = src_flow != flow; |
5985 | const void *check_start = NULL; | |
5986 | size_t check_len = 0; | |
5987 | enum ovs_key_attr expected_bit = 0xff; | |
5988 | ||
5989 | if (eth_type_mpls(src_flow->dl_type)) { | |
7e6621e9 | 5990 | if (!is_mask || present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { |
91a77332 | 5991 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); |
7e6621e9 JS |
5992 | } |
5993 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { | |
5994 | size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]); | |
5995 | const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]); | |
5996 | int n = size / sizeof(ovs_be32); | |
5997 | int i; | |
4a221615 | 5998 | |
7e6621e9 JS |
5999 | if (!size || size % sizeof(ovs_be32)) { |
6000 | return ODP_FIT_ERROR; | |
91a77332 | 6001 | } |
8bfd0fda | 6002 | if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) { |
4a221615 GY |
6003 | return ODP_FIT_ERROR; |
6004 | } | |
8bfd0fda | 6005 | |
7e6621e9 JS |
6006 | for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) { |
6007 | flow->mpls_lse[i] = mpls_lse[i]; | |
6008 | } | |
6009 | if (n > FLOW_MAX_MPLS_LABELS) { | |
6010 | return ODP_FIT_TOO_MUCH; | |
6011 | } | |
8bfd0fda | 6012 | |
7e6621e9 JS |
6013 | if (!is_mask) { |
6014 | /* BOS may be set only in the innermost label. */ | |
6015 | for (i = 0; i < n - 1; i++) { | |
6016 | if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) { | |
6017 | return ODP_FIT_ERROR; | |
6018 | } | |
8bfd0fda | 6019 | } |
8bfd0fda | 6020 | |
7e6621e9 JS |
6021 | /* BOS must be set in the innermost label. */ |
6022 | if (n < FLOW_MAX_MPLS_LABELS | |
6023 | && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) { | |
6024 | return ODP_FIT_TOO_LITTLE; | |
6025 | } | |
8bfd0fda BP |
6026 | } |
6027 | } | |
6028 | ||
4a221615 GY |
6029 | goto done; |
6030 | } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
6031 | if (!is_mask) { | |
6032 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; | |
b02475c5 | 6033 | } |
fea393b1 | 6034 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 6035 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 6036 | |
34118cae | 6037 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
3cea18ec JR |
6038 | put_ipv4_key(ipv4_key, flow, is_mask); |
6039 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
6040 | return ODP_FIT_ERROR; | |
6041 | } | |
4a221615 | 6042 | if (is_mask) { |
4a221615 GY |
6043 | check_start = ipv4_key; |
6044 | check_len = sizeof *ipv4_key; | |
6045 | expected_bit = OVS_KEY_ATTR_IPV4; | |
36956a7d | 6046 | } |
34118cae | 6047 | } |
4a221615 GY |
6048 | } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) { |
6049 | if (!is_mask) { | |
6050 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; | |
6051 | } | |
fea393b1 | 6052 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 6053 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 6054 | |
34118cae | 6055 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
3cea18ec JR |
6056 | put_ipv6_key(ipv6_key, flow, is_mask); |
6057 | if (flow->nw_frag > FLOW_NW_FRAG_MASK) { | |
6058 | return ODP_FIT_ERROR; | |
6059 | } | |
4a221615 | 6060 | if (is_mask) { |
4a221615 GY |
6061 | check_start = ipv6_key; |
6062 | check_len = sizeof *ipv6_key; | |
6063 | expected_bit = OVS_KEY_ATTR_IPV6; | |
d31f1109 | 6064 | } |
34118cae | 6065 | } |
4a221615 GY |
6066 | } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) || |
6067 | src_flow->dl_type == htons(ETH_TYPE_RARP)) { | |
6068 | if (!is_mask) { | |
6069 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; | |
6070 | } | |
fea393b1 | 6071 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 6072 | const struct ovs_key_arp *arp_key; |
d31f1109 | 6073 | |
34118cae | 6074 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
4a221615 | 6075 | if (!is_mask && (arp_key->arp_op & htons(0xff00))) { |
34118cae BP |
6076 | VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow " |
6077 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 6078 | return ODP_FIT_ERROR; |
36956a7d | 6079 | } |
3cea18ec | 6080 | put_arp_key(arp_key, flow); |
4a221615 GY |
6081 | if (is_mask) { |
6082 | check_start = arp_key; | |
6083 | check_len = sizeof *arp_key; | |
6084 | expected_bit = OVS_KEY_ATTR_ARP; | |
6085 | } | |
6086 | } | |
3d2fbd70 JS |
6087 | } else if (src_flow->dl_type == htons(ETH_TYPE_NSH)) { |
6088 | if (!is_mask) { | |
6089 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_NSH; | |
6090 | } | |
6091 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_NSH)) { | |
81fdabb9 | 6092 | odp_nsh_key_from_attr(attrs[OVS_KEY_ATTR_NSH], &flow->nsh, NULL); |
3d2fbd70 | 6093 | if (is_mask) { |
f59cb331 YY |
6094 | check_start = nl_attr_get(attrs[OVS_KEY_ATTR_NSH]); |
6095 | check_len = nl_attr_get_size(attrs[OVS_KEY_ATTR_NSH]); | |
3d2fbd70 JS |
6096 | expected_bit = OVS_KEY_ATTR_NSH; |
6097 | } | |
6098 | } | |
4a221615 GY |
6099 | } else { |
6100 | goto done; | |
6101 | } | |
df4eeb20 | 6102 | if (check_len > 0) { /* Happens only when 'is_mask'. */ |
4a221615 GY |
6103 | if (!is_all_zeros(check_start, check_len) && |
6104 | flow->dl_type != htons(0xffff)) { | |
6105 | return ODP_FIT_ERROR; | |
6106 | } else { | |
6107 | expected_attrs |= UINT64_C(1) << expected_bit; | |
36956a7d | 6108 | } |
36956a7d | 6109 | } |
36956a7d | 6110 | |
4a221615 GY |
6111 | expected_bit = OVS_KEY_ATTR_UNSPEC; |
6112 | if (src_flow->nw_proto == IPPROTO_TCP | |
6113 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6114 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6115 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6116 | if (!is_mask) { | |
6117 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; | |
6118 | } | |
fea393b1 | 6119 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
3cea18ec | 6120 | const union ovs_key_tp *tcp_key; |
36956a7d | 6121 | |
34118cae | 6122 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
3cea18ec | 6123 | put_tp_key(tcp_key, flow); |
4a221615 GY |
6124 | expected_bit = OVS_KEY_ATTR_TCP; |
6125 | } | |
dc235f7f JR |
6126 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) { |
6127 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS; | |
6128 | flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]); | |
6129 | } | |
4a221615 GY |
6130 | } else if (src_flow->nw_proto == IPPROTO_UDP |
6131 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6132 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6133 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6134 | if (!is_mask) { | |
6135 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; | |
7257b535 | 6136 | } |
fea393b1 | 6137 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
3cea18ec | 6138 | const union ovs_key_tp *udp_key; |
34118cae BP |
6139 | |
6140 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
3cea18ec | 6141 | put_tp_key(udp_key, flow); |
4a221615 GY |
6142 | expected_bit = OVS_KEY_ATTR_UDP; |
6143 | } | |
12848ebf GS |
6144 | } else if (src_flow->nw_proto == IPPROTO_SCTP |
6145 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
6146 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
6147 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
c6bcb685 JS |
6148 | if (!is_mask) { |
6149 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP; | |
6150 | } | |
6151 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) { | |
3cea18ec | 6152 | const union ovs_key_tp *sctp_key; |
c6bcb685 JS |
6153 | |
6154 | sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]); | |
3cea18ec | 6155 | put_tp_key(sctp_key, flow); |
c6bcb685 JS |
6156 | expected_bit = OVS_KEY_ATTR_SCTP; |
6157 | } | |
4a221615 GY |
6158 | } else if (src_flow->nw_proto == IPPROTO_ICMP |
6159 | && src_flow->dl_type == htons(ETH_TYPE_IP) | |
6160 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6161 | if (!is_mask) { | |
6162 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; | |
d31f1109 | 6163 | } |
fea393b1 | 6164 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
6165 | const struct ovs_key_icmp *icmp_key; |
6166 | ||
6167 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
6168 | flow->tp_src = htons(icmp_key->icmp_type); | |
6169 | flow->tp_dst = htons(icmp_key->icmp_code); | |
4a221615 GY |
6170 | expected_bit = OVS_KEY_ATTR_ICMP; |
6171 | } | |
6172 | } else if (src_flow->nw_proto == IPPROTO_ICMPV6 | |
6173 | && src_flow->dl_type == htons(ETH_TYPE_IPV6) | |
6174 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
6175 | if (!is_mask) { | |
6176 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; | |
685a51a5 | 6177 | } |
fea393b1 | 6178 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
6179 | const struct ovs_key_icmpv6 *icmpv6_key; |
6180 | ||
6181 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
6182 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
6183 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
4a221615 | 6184 | expected_bit = OVS_KEY_ATTR_ICMPV6; |
c17fcc0a | 6185 | if (is_nd(src_flow, NULL)) { |
4a221615 GY |
6186 | if (!is_mask) { |
6187 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
6188 | } | |
fea393b1 | 6189 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
6190 | const struct ovs_key_nd *nd_key; |
6191 | ||
6192 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
932c96b7 | 6193 | flow->nd_target = nd_key->nd_target; |
74ff3298 JR |
6194 | flow->arp_sha = nd_key->nd_sll; |
6195 | flow->arp_tha = nd_key->nd_tll; | |
4a221615 | 6196 | if (is_mask) { |
a63e3dc9 DDP |
6197 | /* Even though 'tp_src' and 'tp_dst' are 16 bits wide, |
6198 | * ICMP type and code are 8 bits wide. Therefore, an | |
6199 | * exact match looks like htons(0xff), not | |
6200 | * htons(0xffff). See xlate_wc_finish() for details. | |
6201 | * */ | |
53cb9c3e | 6202 | if (!is_all_zeros(nd_key, sizeof *nd_key) && |
a63e3dc9 DDP |
6203 | (flow->tp_src != htons(0xff) || |
6204 | flow->tp_dst != htons(0xff))) { | |
4a221615 GY |
6205 | return ODP_FIT_ERROR; |
6206 | } else { | |
6207 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
6208 | } | |
6209 | } | |
34118cae BP |
6210 | } |
6211 | } | |
7257b535 | 6212 | } |
34118cae | 6213 | } |
4a221615 GY |
6214 | if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) { |
6215 | if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) { | |
6216 | return ODP_FIT_ERROR; | |
6217 | } else { | |
6218 | expected_attrs |= UINT64_C(1) << expected_bit; | |
6219 | } | |
6220 | } | |
7257b535 | 6221 | |
4a221615 | 6222 | done: |
b0f7b9b5 BP |
6223 | return check_expectations(present_attrs, out_of_range_attr, expected_attrs, |
6224 | key, key_len); | |
6225 | } | |
6226 | ||
6227 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
6228 | static enum odp_key_fitness | |
6229 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
6230 | uint64_t present_attrs, int out_of_range_attr, | |
6231 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 GY |
6232 | const struct nlattr *key, size_t key_len, |
6233 | const struct flow *src_flow) | |
b0f7b9b5 BP |
6234 | { |
6235 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 6236 | bool is_mask = src_flow != flow; |
b0f7b9b5 | 6237 | |
f0fb825a | 6238 | const struct nlattr *encap; |
b0f7b9b5 | 6239 | enum odp_key_fitness encap_fitness; |
f0fb825a EG |
6240 | enum odp_key_fitness fitness = ODP_FIT_ERROR; |
6241 | int encaps = 0; | |
b0f7b9b5 | 6242 | |
f0fb825a EG |
6243 | while (encaps < flow_vlan_limit && |
6244 | (is_mask | |
6245 | ? (src_flow->vlans[encaps].tci & htons(VLAN_CFI)) != 0 | |
6246 | : eth_type_vlan(flow->dl_type))) { | |
6247 | ||
6248 | encap = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
6249 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
6250 | ||
6251 | /* Calculate fitness of outer attributes. */ | |
6252 | if (!is_mask) { | |
6253 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | | |
6254 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
6255 | } else { | |
6256 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
6257 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
6258 | } | |
6259 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) { | |
6260 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP); | |
6261 | } | |
4a221615 | 6262 | } |
f0fb825a EG |
6263 | fitness = check_expectations(present_attrs, out_of_range_attr, |
6264 | expected_attrs, key, key_len); | |
6265 | ||
6266 | /* Set vlan_tci. | |
6267 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
6268 | flow->vlans[encaps].tpid = flow->dl_type; | |
6269 | flow->dl_type = htons(0); | |
6270 | flow->vlans[encaps].tci = | |
6271 | (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN) | |
6272 | ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]) | |
6273 | : htons(0)); | |
6274 | if (!is_mask) { | |
f889568f | 6275 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) || |
6276 | !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
f0fb825a EG |
6277 | return ODP_FIT_TOO_LITTLE; |
6278 | } else if (flow->vlans[encaps].tci == htons(0)) { | |
6279 | /* Corner case for a truncated 802.1Q header. */ | |
6280 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
6281 | return ODP_FIT_TOO_MUCH; | |
6282 | } | |
6283 | return fitness; | |
6284 | } else if (!(flow->vlans[encaps].tci & htons(VLAN_CFI))) { | |
6285 | VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
6286 | "but CFI bit is not set", | |
6287 | ntohs(flow->vlans[encaps].tci)); | |
6288 | return ODP_FIT_ERROR; | |
6289 | } | |
6290 | } else { | |
6291 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { | |
6292 | return fitness; | |
6293 | } | |
4a221615 | 6294 | } |
b0f7b9b5 | 6295 | |
f0fb825a EG |
6296 | /* Now parse the encapsulated attributes. */ |
6297 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
6298 | attrs, &present_attrs, &out_of_range_attr)) { | |
3e634810 BP |
6299 | return ODP_FIT_ERROR; |
6300 | } | |
f0fb825a EG |
6301 | expected_attrs = 0; |
6302 | ||
6303 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, | |
6304 | flow, src_flow)) { | |
6305 | return ODP_FIT_ERROR; | |
4a221615 | 6306 | } |
4a221615 | 6307 | |
f0fb825a | 6308 | encaps++; |
b0f7b9b5 | 6309 | } |
b0f7b9b5 | 6310 | |
b02475c5 | 6311 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
6312 | expected_attrs, flow, key, key_len, |
6313 | src_flow); | |
b0f7b9b5 BP |
6314 | |
6315 | /* The overall fitness is the worse of the outer and inner attributes. */ | |
6316 | return MAX(fitness, encap_fitness); | |
6317 | } | |
6318 | ||
4a221615 GY |
6319 | static enum odp_key_fitness |
6320 | odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len, | |
8d8ab6c2 | 6321 | struct flow *flow, const struct flow *src_flow) |
b0f7b9b5 | 6322 | { |
b0f7b9b5 BP |
6323 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
6324 | uint64_t expected_attrs; | |
6325 | uint64_t present_attrs; | |
6326 | int out_of_range_attr; | |
4a221615 | 6327 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
6328 | |
6329 | memset(flow, 0, sizeof *flow); | |
6330 | ||
6331 | /* Parse attributes. */ | |
6332 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
6333 | &out_of_range_attr)) { | |
6334 | return ODP_FIT_ERROR; | |
6335 | } | |
6336 | expected_attrs = 0; | |
6337 | ||
6338 | /* Metadata. */ | |
572f732a AZ |
6339 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) { |
6340 | flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]); | |
6341 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID; | |
6342 | } else if (is_mask) { | |
8c1b077f | 6343 | /* Always exact match recirc_id if it is not specified. */ |
572f732a AZ |
6344 | flow->recirc_id = UINT32_MAX; |
6345 | } | |
6346 | ||
6347 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) { | |
6348 | flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]); | |
6349 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH; | |
6350 | } | |
b0f7b9b5 | 6351 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { |
deedf7e7 | 6352 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
6353 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
6354 | } | |
6355 | ||
72e8bf28 | 6356 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
1362e248 | 6357 | flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); |
72e8bf28 AA |
6358 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; |
6359 | } | |
6360 | ||
07659514 JS |
6361 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_STATE)) { |
6362 | uint32_t odp_state = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_STATE]); | |
6363 | ||
6364 | flow->ct_state = odp_to_ovs_ct_state(odp_state); | |
6365 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_STATE; | |
6366 | } | |
6367 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE)) { | |
6368 | flow->ct_zone = nl_attr_get_u16(attrs[OVS_KEY_ATTR_CT_ZONE]); | |
6369 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ZONE; | |
6370 | } | |
8e53fe8c JS |
6371 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_MARK)) { |
6372 | flow->ct_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_CT_MARK]); | |
6373 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_MARK; | |
6374 | } | |
9daf2348 | 6375 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS)) { |
ab79d262 | 6376 | flow->ct_label = nl_attr_get_u128(attrs[OVS_KEY_ATTR_CT_LABELS]); |
9daf2348 JS |
6377 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_LABELS; |
6378 | } | |
daf4d3c1 JR |
6379 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4)) { |
6380 | const struct ovs_key_ct_tuple_ipv4 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4]); | |
6381 | flow->ct_nw_src = ct->ipv4_src; | |
6382 | flow->ct_nw_dst = ct->ipv4_dst; | |
6383 | flow->ct_nw_proto = ct->ipv4_proto; | |
6384 | flow->ct_tp_src = ct->src_port; | |
6385 | flow->ct_tp_dst = ct->dst_port; | |
6386 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4; | |
6387 | } | |
6388 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6)) { | |
6389 | const struct ovs_key_ct_tuple_ipv6 *ct = nl_attr_get(attrs[OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6]); | |
6390 | ||
6391 | flow->ct_ipv6_src = ct->ipv6_src; | |
6392 | flow->ct_ipv6_dst = ct->ipv6_dst; | |
6393 | flow->ct_nw_proto = ct->ipv6_proto; | |
6394 | flow->ct_tp_src = ct->src_port; | |
6395 | flow->ct_tp_dst = ct->dst_port; | |
6396 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6; | |
6397 | } | |
07659514 | 6398 | |
9b405f1a PS |
6399 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
6400 | enum odp_key_fitness res; | |
05fb0928 | 6401 | |
8d8ab6c2 JG |
6402 | res = odp_tun_key_from_attr__(attrs[OVS_KEY_ATTR_TUNNEL], is_mask, |
6403 | &flow->tunnel); | |
9b405f1a PS |
6404 | if (res == ODP_FIT_ERROR) { |
6405 | return ODP_FIT_ERROR; | |
6406 | } else if (res == ODP_FIT_PERFECT) { | |
6407 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
6408 | } |
6409 | } | |
6410 | ||
b0f7b9b5 | 6411 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
4e022ec0 AW |
6412 | flow->in_port.odp_port |
6413 | = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]); | |
b0f7b9b5 | 6414 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
4a221615 | 6415 | } else if (!is_mask) { |
4e022ec0 | 6416 | flow->in_port.odp_port = ODPP_NONE; |
b0f7b9b5 BP |
6417 | } |
6418 | ||
beb75a40 JS |
6419 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE)) { |
6420 | flow->packet_type | |
6421 | = nl_attr_get_be32(attrs[OVS_KEY_ATTR_PACKET_TYPE]); | |
6422 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PACKET_TYPE; | |
6423 | } else if (!is_mask) { | |
6424 | flow->packet_type = htonl(PT_ETH); | |
6425 | } | |
6426 | ||
6427 | /* Check for Ethernet header. */ | |
b0f7b9b5 BP |
6428 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { |
6429 | const struct ovs_key_ethernet *eth_key; | |
6430 | ||
6431 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
3cea18ec | 6432 | put_ethernet_key(eth_key, flow); |
beb75a40 JS |
6433 | if (!is_mask) { |
6434 | flow->packet_type = htonl(PT_ETH); | |
4a221615 | 6435 | } |
4a221615 | 6436 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; |
b0f7b9b5 | 6437 | } |
beb75a40 JS |
6438 | else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
6439 | ovs_be16 ethertype = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); | |
6440 | if (!is_mask) { | |
6441 | flow->packet_type = PACKET_TYPE_BE(OFPHTN_ETHERTYPE, | |
6442 | ntohs(ethertype)); | |
6443 | } | |
6444 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; | |
6445 | } | |
b0f7b9b5 BP |
6446 | |
6447 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
4a221615 | 6448 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, |
beb75a40 | 6449 | src_flow)) { |
b0f7b9b5 BP |
6450 | return ODP_FIT_ERROR; |
6451 | } | |
6452 | ||
21e70add | 6453 | if (is_mask |
f0fb825a EG |
6454 | ? (src_flow->vlans[0].tci & htons(VLAN_CFI)) != 0 |
6455 | : eth_type_vlan(src_flow->dl_type)) { | |
b0f7b9b5 | 6456 | return parse_8021q_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
6457 | expected_attrs, flow, key, key_len, src_flow); |
6458 | } | |
6459 | if (is_mask) { | |
449b8131 | 6460 | /* A missing VLAN mask means exact match on vlan_tci 0 (== no VLAN). */ |
f0fb825a EG |
6461 | flow->vlans[0].tpid = htons(0xffff); |
6462 | flow->vlans[0].tci = htons(0xffff); | |
4a221615 | 6463 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { |
f0fb825a | 6464 | flow->vlans[0].tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); |
4a221615 GY |
6465 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); |
6466 | } | |
b0f7b9b5 | 6467 | } |
b02475c5 | 6468 | return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
6469 | expected_attrs, flow, key, key_len, src_flow); |
6470 | } | |
6471 | ||
6472 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
6473 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
6474 | * 'key' fits our expectations for what a flow key should contain. | |
6475 | * | |
6476 | * The 'in_port' will be the datapath's understanding of the port. The | |
6477 | * caller will need to translate with odp_port_to_ofp_port() if the | |
6478 | * OpenFlow port is needed. | |
6479 | * | |
6480 | * This function doesn't take the packet itself as an argument because none of | |
6481 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
6482 | * it is always possible to infer which additional attribute(s) should appear | |
6483 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
6484 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
6485 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
6486 | * must be absent. */ | |
6487 | enum odp_key_fitness | |
6488 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
6489 | struct flow *flow) | |
6490 | { | |
8d8ab6c2 | 6491 | return odp_flow_key_to_flow__(key, key_len, flow, flow); |
4a221615 GY |
6492 | } |
6493 | ||
8d8ab6c2 JG |
6494 | /* Converts the 'mask_key_len' bytes of OVS_KEY_ATTR_* attributes in 'mask_key' |
6495 | * to a mask structure in 'mask'. 'flow' must be a previously translated flow | |
6496 | * corresponding to 'mask' and similarly flow_key/flow_key_len must be the | |
6497 | * attributes from that flow. Returns an ODP_FIT_* value that indicates how | |
6498 | * well 'key' fits our expectations for what a flow key should contain. */ | |
6499 | enum odp_key_fitness | |
6500 | odp_flow_key_to_mask(const struct nlattr *mask_key, size_t mask_key_len, | |
6501 | struct flow_wildcards *mask, const struct flow *src_flow) | |
ca8d3442 DDP |
6502 | { |
6503 | if (mask_key_len) { | |
6504 | return odp_flow_key_to_flow__(mask_key, mask_key_len, | |
8d8ab6c2 | 6505 | &mask->masks, src_flow); |
ca8d3442 DDP |
6506 | |
6507 | } else { | |
6508 | /* A missing mask means that the flow should be exact matched. | |
6509 | * Generate an appropriate exact wildcard for the flow. */ | |
6510 | flow_wildcards_init_for_packet(mask, src_flow); | |
6511 | ||
6512 | return ODP_FIT_PERFECT; | |
6513 | } | |
6514 | } | |
39db78a0 | 6515 | |
8b668ee3 PB |
6516 | /* Converts the netlink formated key/mask to match. |
6517 | * Fails if odp_flow_key_from_key/mask and odp_flow_key_key/mask | |
6518 | * disagree on the acceptable form of flow */ | |
6519 | int | |
6520 | parse_key_and_mask_to_match(const struct nlattr *key, size_t key_len, | |
6521 | const struct nlattr *mask, size_t mask_len, | |
6522 | struct match *match) | |
6523 | { | |
6524 | enum odp_key_fitness fitness; | |
6525 | ||
6526 | fitness = odp_flow_key_to_flow(key, key_len, &match->flow); | |
6527 | if (fitness) { | |
6528 | /* This should not happen: it indicates that | |
6529 | * odp_flow_key_from_flow() and odp_flow_key_to_flow() disagree on | |
6530 | * the acceptable form of a flow. Log the problem as an error, | |
6531 | * with enough details to enable debugging. */ | |
6532 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
6533 | ||
6534 | if (!VLOG_DROP_ERR(&rl)) { | |
6535 | struct ds s; | |
6536 | ||
6537 | ds_init(&s); | |
6538 | odp_flow_format(key, key_len, NULL, 0, NULL, &s, true); | |
6539 | VLOG_ERR("internal error parsing flow key %s", ds_cstr(&s)); | |
6540 | ds_destroy(&s); | |
6541 | } | |
6542 | ||
6543 | return EINVAL; | |
6544 | } | |
6545 | ||
6546 | fitness = odp_flow_key_to_mask(mask, mask_len, &match->wc, &match->flow); | |
6547 | if (fitness) { | |
6548 | /* This should not happen: it indicates that | |
6549 | * odp_flow_key_from_mask() and odp_flow_key_to_mask() | |
6550 | * disagree on the acceptable form of a mask. Log the problem | |
6551 | * as an error, with enough details to enable debugging. */ | |
6552 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
6553 | ||
6554 | if (!VLOG_DROP_ERR(&rl)) { | |
6555 | struct ds s; | |
6556 | ||
6557 | ds_init(&s); | |
6558 | odp_flow_format(key, key_len, mask, mask_len, NULL, &s, | |
6559 | true); | |
6560 | VLOG_ERR("internal error parsing flow mask %s (%s)", | |
6561 | ds_cstr(&s), odp_key_fitness_to_string(fitness)); | |
6562 | ds_destroy(&s); | |
6563 | } | |
6564 | ||
6565 | return EINVAL; | |
6566 | } | |
6567 | ||
6568 | return 0; | |
6569 | } | |
6570 | ||
6814e51f BP |
6571 | /* Returns 'fitness' as a string, for use in debug messages. */ |
6572 | const char * | |
6573 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
6574 | { | |
6575 | switch (fitness) { | |
6576 | case ODP_FIT_PERFECT: | |
6577 | return "OK"; | |
6578 | case ODP_FIT_TOO_MUCH: | |
6579 | return "too_much"; | |
6580 | case ODP_FIT_TOO_LITTLE: | |
6581 | return "too_little"; | |
6582 | case ODP_FIT_ERROR: | |
6583 | return "error"; | |
6584 | default: | |
6585 | return "<unknown>"; | |
6586 | } | |
6587 | } | |
6588 | ||
39db78a0 | 6589 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df BP |
6590 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
6591 | * whose contents are the 'userdata_size' bytes at 'userdata' and returns the | |
6592 | * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is | |
6593 | * null, then the return value is not meaningful.) */ | |
39db78a0 | 6594 | size_t |
e995e3df BP |
6595 | odp_put_userspace_action(uint32_t pid, |
6596 | const void *userdata, size_t userdata_size, | |
8b7ea2d4 | 6597 | odp_port_t tunnel_out_port, |
7321bda3 | 6598 | bool include_actions, |
39db78a0 BP |
6599 | struct ofpbuf *odp_actions) |
6600 | { | |
e995e3df | 6601 | size_t userdata_ofs; |
39db78a0 BP |
6602 | size_t offset; |
6603 | ||
6604 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
6605 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df | 6606 | if (userdata) { |
6fd6ed71 | 6607 | userdata_ofs = odp_actions->size + NLA_HDRLEN; |
96ed775f BP |
6608 | |
6609 | /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel | |
6610 | * module before Linux 3.10 required the userdata to be exactly 8 bytes | |
6611 | * long: | |
6612 | * | |
6613 | * - The kernel rejected shorter userdata with -ERANGE. | |
6614 | * | |
6615 | * - The kernel silently dropped userdata beyond the first 8 bytes. | |
6616 | * | |
6617 | * Thus, for maximum compatibility, always put at least 8 bytes. (We | |
6618 | * separately disable features that required more than 8 bytes.) */ | |
6619 | memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA, | |
6620 | MAX(8, userdata_size)), | |
6621 | userdata, userdata_size); | |
e995e3df BP |
6622 | } else { |
6623 | userdata_ofs = 0; | |
39db78a0 | 6624 | } |
8b7ea2d4 WZ |
6625 | if (tunnel_out_port != ODPP_NONE) { |
6626 | nl_msg_put_odp_port(odp_actions, OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, | |
6627 | tunnel_out_port); | |
6628 | } | |
7321bda3 NM |
6629 | if (include_actions) { |
6630 | nl_msg_put_flag(odp_actions, OVS_USERSPACE_ATTR_ACTIONS); | |
6631 | } | |
39db78a0 BP |
6632 | nl_msg_end_nested(odp_actions, offset); |
6633 | ||
e995e3df | 6634 | return userdata_ofs; |
39db78a0 | 6635 | } |
b9ad7294 | 6636 | |
88fc5281 JS |
6637 | void |
6638 | odp_put_pop_eth_action(struct ofpbuf *odp_actions) | |
6639 | { | |
6640 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_ETH); | |
6641 | } | |
6642 | ||
6643 | void | |
6644 | odp_put_push_eth_action(struct ofpbuf *odp_actions, | |
6645 | const struct eth_addr *eth_src, | |
6646 | const struct eth_addr *eth_dst) | |
6647 | { | |
6648 | struct ovs_action_push_eth eth; | |
6649 | ||
6650 | memset(ð, 0, sizeof eth); | |
6651 | if (eth_src) { | |
6652 | eth.addresses.eth_src = *eth_src; | |
6653 | } | |
6654 | if (eth_dst) { | |
6655 | eth.addresses.eth_dst = *eth_dst; | |
6656 | } | |
6657 | ||
6658 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_ETH, | |
6659 | ð, sizeof eth); | |
6660 | } | |
6661 | ||
b9ad7294 EJ |
6662 | void |
6663 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
6664 | struct ofpbuf *odp_actions) | |
6665 | { | |
6666 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
ec1f6f32 | 6667 | tun_key_to_attr(odp_actions, tunnel, tunnel, NULL); |
b9ad7294 EJ |
6668 | nl_msg_end_nested(odp_actions, offset); |
6669 | } | |
a36de779 PS |
6670 | |
6671 | void | |
6672 | odp_put_tnl_push_action(struct ofpbuf *odp_actions, | |
6673 | struct ovs_action_push_tnl *data) | |
6674 | { | |
6675 | int size = offsetof(struct ovs_action_push_tnl, header); | |
6676 | ||
6677 | size += data->header_len; | |
6678 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_TUNNEL_PUSH, data, size); | |
6679 | } | |
6680 | ||
5bbda0aa EJ |
6681 | \f |
6682 | /* The commit_odp_actions() function and its helpers. */ | |
6683 | ||
6684 | static void | |
6685 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
6686 | const void *key, size_t key_size) | |
6687 | { | |
6688 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
6689 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
6690 | nl_msg_end_nested(odp_actions, offset); | |
6691 | } | |
6692 | ||
6d670e7f JR |
6693 | /* Masked set actions have a mask following the data within the netlink |
6694 | * attribute. The unmasked bits in the data will be cleared as the data | |
6695 | * is copied to the action. */ | |
6696 | void | |
6697 | commit_masked_set_action(struct ofpbuf *odp_actions, | |
6698 | enum ovs_key_attr key_type, | |
6699 | const void *key_, const void *mask_, size_t key_size) | |
6700 | { | |
6701 | size_t offset = nl_msg_start_nested(odp_actions, | |
6702 | OVS_ACTION_ATTR_SET_MASKED); | |
6703 | char *data = nl_msg_put_unspec_uninit(odp_actions, key_type, key_size * 2); | |
6704 | const char *key = key_, *mask = mask_; | |
6705 | ||
6706 | memcpy(data + key_size, mask, key_size); | |
6707 | /* Clear unmasked bits while copying. */ | |
6708 | while (key_size--) { | |
6709 | *data++ = *key++ & *mask++; | |
6710 | } | |
6711 | nl_msg_end_nested(odp_actions, offset); | |
6712 | } | |
6713 | ||
b9ad7294 EJ |
6714 | /* If any of the flow key data that ODP actions can modify are different in |
6715 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
6716 | * 'odp_actions' that change the flow tunneling information in key from | |
6717 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
6718 | * same way. In other words, operates the same as commit_odp_actions(), but | |
6719 | * only on tunneling information. */ | |
6720 | void | |
6721 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
5bbda0aa EJ |
6722 | struct ofpbuf *odp_actions) |
6723 | { | |
ffe4c74f JB |
6724 | /* A valid IPV4_TUNNEL must have non-zero ip_dst; a valid IPv6 tunnel |
6725 | * must have non-zero ipv6_dst. */ | |
6726 | if (flow_tnl_dst_is_set(&flow->tunnel)) { | |
fc80de30 JR |
6727 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
6728 | return; | |
6729 | } | |
6730 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
b9ad7294 | 6731 | odp_put_tunnel_action(&base->tunnel, odp_actions); |
05fb0928 | 6732 | } |
5bbda0aa EJ |
6733 | } |
6734 | ||
d23df9a8 JR |
6735 | static bool |
6736 | commit(enum ovs_key_attr attr, bool use_masked_set, | |
6737 | const void *key, void *base, void *mask, size_t size, | |
6738 | struct ofpbuf *odp_actions) | |
5bbda0aa | 6739 | { |
d23df9a8 JR |
6740 | if (memcmp(key, base, size)) { |
6741 | bool fully_masked = odp_mask_is_exact(attr, mask, size); | |
5bbda0aa | 6742 | |
d23df9a8 JR |
6743 | if (use_masked_set && !fully_masked) { |
6744 | commit_masked_set_action(odp_actions, attr, key, mask, size); | |
6745 | } else { | |
6746 | if (!fully_masked) { | |
6747 | memset(mask, 0xff, size); | |
6748 | } | |
6749 | commit_set_action(odp_actions, attr, key, size); | |
6750 | } | |
6751 | memcpy(base, key, size); | |
6752 | return true; | |
6753 | } else { | |
6754 | /* Mask bits are set when we have either read or set the corresponding | |
6755 | * values. Masked bits will be exact-matched, no need to set them | |
6756 | * if the value did not actually change. */ | |
6757 | return false; | |
5bbda0aa | 6758 | } |
d23df9a8 | 6759 | } |
5bbda0aa | 6760 | |
d23df9a8 JR |
6761 | static void |
6762 | get_ethernet_key(const struct flow *flow, struct ovs_key_ethernet *eth) | |
6763 | { | |
74ff3298 JR |
6764 | eth->eth_src = flow->dl_src; |
6765 | eth->eth_dst = flow->dl_dst; | |
d23df9a8 | 6766 | } |
1dd35f8a | 6767 | |
d23df9a8 JR |
6768 | static void |
6769 | put_ethernet_key(const struct ovs_key_ethernet *eth, struct flow *flow) | |
6770 | { | |
74ff3298 JR |
6771 | flow->dl_src = eth->eth_src; |
6772 | flow->dl_dst = eth->eth_dst; | |
d23df9a8 | 6773 | } |
5bbda0aa | 6774 | |
d23df9a8 | 6775 | static void |
f839892a JS |
6776 | commit_set_ether_action(const struct flow *flow, struct flow *base_flow, |
6777 | struct ofpbuf *odp_actions, | |
6778 | struct flow_wildcards *wc, | |
6779 | bool use_masked) | |
d23df9a8 JR |
6780 | { |
6781 | struct ovs_key_ethernet key, base, mask; | |
5bbda0aa | 6782 | |
f839892a JS |
6783 | if (flow->packet_type != htonl(PT_ETH)) { |
6784 | return; | |
6785 | } | |
6786 | ||
d23df9a8 JR |
6787 | get_ethernet_key(flow, &key); |
6788 | get_ethernet_key(base_flow, &base); | |
6789 | get_ethernet_key(&wc->masks, &mask); | |
6790 | ||
6791 | if (commit(OVS_KEY_ATTR_ETHERNET, use_masked, | |
6792 | &key, &base, &mask, sizeof key, odp_actions)) { | |
6793 | put_ethernet_key(&base, base_flow); | |
6794 | put_ethernet_key(&mask, &wc->masks); | |
6795 | } | |
5bbda0aa EJ |
6796 | } |
6797 | ||
6798 | static void | |
f0fb825a EG |
6799 | commit_vlan_action(const struct flow* flow, struct flow *base, |
6800 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
5bbda0aa | 6801 | { |
f0fb825a EG |
6802 | int base_n = flow_count_vlan_headers(base); |
6803 | int flow_n = flow_count_vlan_headers(flow); | |
6804 | flow_skip_common_vlan_headers(base, &base_n, flow, &flow_n); | |
1dd35f8a | 6805 | |
f0fb825a EG |
6806 | /* Pop all mismatching vlan of base, push those of flow */ |
6807 | for (; base_n >= 0; base_n--) { | |
5bbda0aa | 6808 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); |
f0fb825a | 6809 | wc->masks.vlans[base_n].qtag = OVS_BE32_MAX; |
5bbda0aa EJ |
6810 | } |
6811 | ||
f0fb825a | 6812 | for (; flow_n >= 0; flow_n--) { |
5bbda0aa EJ |
6813 | struct ovs_action_push_vlan vlan; |
6814 | ||
f0fb825a EG |
6815 | vlan.vlan_tpid = flow->vlans[flow_n].tpid; |
6816 | vlan.vlan_tci = flow->vlans[flow_n].tci; | |
5bbda0aa EJ |
6817 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, |
6818 | &vlan, sizeof vlan); | |
6819 | } | |
f0fb825a | 6820 | memcpy(base->vlans, flow->vlans, sizeof(base->vlans)); |
5bbda0aa EJ |
6821 | } |
6822 | ||
22d38fca | 6823 | /* Wildcarding already done at action translation time. */ |
b02475c5 SH |
6824 | static void |
6825 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
22d38fca | 6826 | struct ofpbuf *odp_actions) |
b02475c5 | 6827 | { |
22d38fca JR |
6828 | int base_n = flow_count_mpls_labels(base, NULL); |
6829 | int flow_n = flow_count_mpls_labels(flow, NULL); | |
8bfd0fda | 6830 | int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n, |
22d38fca | 6831 | NULL); |
8bfd0fda BP |
6832 | |
6833 | while (base_n > common_n) { | |
6834 | if (base_n - 1 == common_n && flow_n > common_n) { | |
6835 | /* If there is only one more LSE in base than there are common | |
6836 | * between base and flow; and flow has at least one more LSE than | |
6837 | * is common then the topmost LSE of base may be updated using | |
6838 | * set */ | |
6839 | struct ovs_key_mpls mpls_key; | |
6840 | ||
6841 | mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n]; | |
6842 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, | |
6843 | &mpls_key, sizeof mpls_key); | |
6844 | flow_set_mpls_lse(base, 0, mpls_key.mpls_lse); | |
6845 | common_n++; | |
6846 | } else { | |
6847 | /* Otherwise, if there more LSEs in base than are common between | |
6848 | * base and flow then pop the topmost one. */ | |
6849 | ovs_be16 dl_type; | |
6850 | bool popped; | |
6851 | ||
6852 | /* If all the LSEs are to be popped and this is not the outermost | |
6853 | * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the | |
6854 | * POP_MPLS action instead of flow->dl_type. | |
6855 | * | |
6856 | * This is because the POP_MPLS action requires its ethertype | |
6857 | * argument to be an MPLS ethernet type but in this case | |
6858 | * flow->dl_type will be a non-MPLS ethernet type. | |
6859 | * | |
6860 | * When the final POP_MPLS action occurs it use flow->dl_type and | |
6861 | * the and the resulting packet will have the desired dl_type. */ | |
6862 | if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) { | |
6863 | dl_type = htons(ETH_TYPE_MPLS); | |
6864 | } else { | |
6865 | dl_type = flow->dl_type; | |
6866 | } | |
6867 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type); | |
22d38fca | 6868 | popped = flow_pop_mpls(base, base_n, flow->dl_type, NULL); |
8bfd0fda BP |
6869 | ovs_assert(popped); |
6870 | base_n--; | |
6871 | } | |
b02475c5 SH |
6872 | } |
6873 | ||
8bfd0fda BP |
6874 | /* If, after the above popping and setting, there are more LSEs in flow |
6875 | * than base then some LSEs need to be pushed. */ | |
6876 | while (base_n < flow_n) { | |
b02475c5 SH |
6877 | struct ovs_action_push_mpls *mpls; |
6878 | ||
8bfd0fda BP |
6879 | mpls = nl_msg_put_unspec_zero(odp_actions, |
6880 | OVS_ACTION_ATTR_PUSH_MPLS, | |
9ddf12cc | 6881 | sizeof *mpls); |
b02475c5 | 6882 | mpls->mpls_ethertype = flow->dl_type; |
8bfd0fda | 6883 | mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1]; |
742c0ac3 JR |
6884 | /* Update base flow's MPLS stack, but do not clear L3. We need the L3 |
6885 | * headers if the flow is restored later due to returning from a patch | |
6886 | * port or group bucket. */ | |
6887 | flow_push_mpls(base, base_n, mpls->mpls_ethertype, NULL, false); | |
8bfd0fda BP |
6888 | flow_set_mpls_lse(base, 0, mpls->mpls_lse); |
6889 | base_n++; | |
b0a17866 | 6890 | } |
b02475c5 SH |
6891 | } |
6892 | ||
5bbda0aa | 6893 | static void |
3cea18ec | 6894 | get_ipv4_key(const struct flow *flow, struct ovs_key_ipv4 *ipv4, bool is_mask) |
5bbda0aa | 6895 | { |
d23df9a8 JR |
6896 | ipv4->ipv4_src = flow->nw_src; |
6897 | ipv4->ipv4_dst = flow->nw_dst; | |
6898 | ipv4->ipv4_proto = flow->nw_proto; | |
6899 | ipv4->ipv4_tos = flow->nw_tos; | |
6900 | ipv4->ipv4_ttl = flow->nw_ttl; | |
3cea18ec | 6901 | ipv4->ipv4_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 6902 | } |
5bbda0aa | 6903 | |
d23df9a8 | 6904 | static void |
3cea18ec | 6905 | put_ipv4_key(const struct ovs_key_ipv4 *ipv4, struct flow *flow, bool is_mask) |
d23df9a8 JR |
6906 | { |
6907 | flow->nw_src = ipv4->ipv4_src; | |
6908 | flow->nw_dst = ipv4->ipv4_dst; | |
6909 | flow->nw_proto = ipv4->ipv4_proto; | |
6910 | flow->nw_tos = ipv4->ipv4_tos; | |
6911 | flow->nw_ttl = ipv4->ipv4_ttl; | |
3cea18ec | 6912 | flow->nw_frag = odp_to_ovs_frag(ipv4->ipv4_frag, is_mask); |
d23df9a8 JR |
6913 | } |
6914 | ||
6915 | static void | |
6916 | commit_set_ipv4_action(const struct flow *flow, struct flow *base_flow, | |
6917 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
6918 | bool use_masked) | |
6919 | { | |
6920 | struct ovs_key_ipv4 key, mask, base; | |
5bbda0aa | 6921 | |
d23df9a8 JR |
6922 | /* Check that nw_proto and nw_frag remain unchanged. */ |
6923 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
6924 | flow->nw_frag == base_flow->nw_frag); | |
1dd35f8a | 6925 | |
3cea18ec JR |
6926 | get_ipv4_key(flow, &key, false); |
6927 | get_ipv4_key(base_flow, &base, false); | |
6928 | get_ipv4_key(&wc->masks, &mask, true); | |
d23df9a8 JR |
6929 | mask.ipv4_proto = 0; /* Not writeable. */ |
6930 | mask.ipv4_frag = 0; /* Not writable. */ | |
5bbda0aa | 6931 | |
d23df9a8 JR |
6932 | if (commit(OVS_KEY_ATTR_IPV4, use_masked, &key, &base, &mask, sizeof key, |
6933 | odp_actions)) { | |
3cea18ec | 6934 | put_ipv4_key(&base, base_flow, false); |
d23df9a8 | 6935 | if (mask.ipv4_proto != 0) { /* Mask was changed by commit(). */ |
3cea18ec | 6936 | put_ipv4_key(&mask, &wc->masks, true); |
d23df9a8 JR |
6937 | } |
6938 | } | |
5bbda0aa EJ |
6939 | } |
6940 | ||
c4f2731d | 6941 | static void |
3cea18ec | 6942 | get_ipv6_key(const struct flow *flow, struct ovs_key_ipv6 *ipv6, bool is_mask) |
c4f2731d | 6943 | { |
932c96b7 JR |
6944 | ipv6->ipv6_src = flow->ipv6_src; |
6945 | ipv6->ipv6_dst = flow->ipv6_dst; | |
d23df9a8 JR |
6946 | ipv6->ipv6_label = flow->ipv6_label; |
6947 | ipv6->ipv6_proto = flow->nw_proto; | |
6948 | ipv6->ipv6_tclass = flow->nw_tos; | |
6949 | ipv6->ipv6_hlimit = flow->nw_ttl; | |
3cea18ec | 6950 | ipv6->ipv6_frag = ovs_to_odp_frag(flow->nw_frag, is_mask); |
d23df9a8 | 6951 | } |
c4f2731d | 6952 | |
d23df9a8 | 6953 | static void |
3cea18ec | 6954 | put_ipv6_key(const struct ovs_key_ipv6 *ipv6, struct flow *flow, bool is_mask) |
d23df9a8 | 6955 | { |
932c96b7 JR |
6956 | flow->ipv6_src = ipv6->ipv6_src; |
6957 | flow->ipv6_dst = ipv6->ipv6_dst; | |
d23df9a8 JR |
6958 | flow->ipv6_label = ipv6->ipv6_label; |
6959 | flow->nw_proto = ipv6->ipv6_proto; | |
6960 | flow->nw_tos = ipv6->ipv6_tclass; | |
6961 | flow->nw_ttl = ipv6->ipv6_hlimit; | |
3cea18ec | 6962 | flow->nw_frag = odp_to_ovs_frag(ipv6->ipv6_frag, is_mask); |
d23df9a8 | 6963 | } |
c4f2731d | 6964 | |
d23df9a8 JR |
6965 | static void |
6966 | commit_set_ipv6_action(const struct flow *flow, struct flow *base_flow, | |
6967 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
6968 | bool use_masked) | |
6969 | { | |
6970 | struct ovs_key_ipv6 key, mask, base; | |
1dd35f8a | 6971 | |
d23df9a8 JR |
6972 | /* Check that nw_proto and nw_frag remain unchanged. */ |
6973 | ovs_assert(flow->nw_proto == base_flow->nw_proto && | |
6974 | flow->nw_frag == base_flow->nw_frag); | |
c4f2731d | 6975 | |
3cea18ec JR |
6976 | get_ipv6_key(flow, &key, false); |
6977 | get_ipv6_key(base_flow, &base, false); | |
6978 | get_ipv6_key(&wc->masks, &mask, true); | |
d23df9a8 JR |
6979 | mask.ipv6_proto = 0; /* Not writeable. */ |
6980 | mask.ipv6_frag = 0; /* Not writable. */ | |
c4f2731d | 6981 | |
d23df9a8 JR |
6982 | if (commit(OVS_KEY_ATTR_IPV6, use_masked, &key, &base, &mask, sizeof key, |
6983 | odp_actions)) { | |
3cea18ec | 6984 | put_ipv6_key(&base, base_flow, false); |
d23df9a8 | 6985 | if (mask.ipv6_proto != 0) { /* Mask was changed by commit(). */ |
3cea18ec | 6986 | put_ipv6_key(&mask, &wc->masks, true); |
d23df9a8 JR |
6987 | } |
6988 | } | |
c4f2731d PS |
6989 | } |
6990 | ||
d23df9a8 JR |
6991 | static void |
6992 | get_arp_key(const struct flow *flow, struct ovs_key_arp *arp) | |
f6c8a6b1 | 6993 | { |
d23df9a8 JR |
6994 | /* ARP key has padding, clear it. */ |
6995 | memset(arp, 0, sizeof *arp); | |
f6c8a6b1 | 6996 | |
d23df9a8 JR |
6997 | arp->arp_sip = flow->nw_src; |
6998 | arp->arp_tip = flow->nw_dst; | |
6999 | arp->arp_op = htons(flow->nw_proto); | |
74ff3298 JR |
7000 | arp->arp_sha = flow->arp_sha; |
7001 | arp->arp_tha = flow->arp_tha; | |
d23df9a8 | 7002 | } |
f6c8a6b1 | 7003 | |
d23df9a8 JR |
7004 | static void |
7005 | put_arp_key(const struct ovs_key_arp *arp, struct flow *flow) | |
7006 | { | |
7007 | flow->nw_src = arp->arp_sip; | |
7008 | flow->nw_dst = arp->arp_tip; | |
7009 | flow->nw_proto = ntohs(arp->arp_op); | |
74ff3298 JR |
7010 | flow->arp_sha = arp->arp_sha; |
7011 | flow->arp_tha = arp->arp_tha; | |
d23df9a8 | 7012 | } |
f6c8a6b1 | 7013 | |
d23df9a8 JR |
7014 | static enum slow_path_reason |
7015 | commit_set_arp_action(const struct flow *flow, struct flow *base_flow, | |
7016 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
7017 | { | |
7018 | struct ovs_key_arp key, mask, base; | |
f6c8a6b1 | 7019 | |
d23df9a8 JR |
7020 | get_arp_key(flow, &key); |
7021 | get_arp_key(base_flow, &base); | |
7022 | get_arp_key(&wc->masks, &mask); | |
f6c8a6b1 | 7023 | |
d23df9a8 JR |
7024 | if (commit(OVS_KEY_ATTR_ARP, true, &key, &base, &mask, sizeof key, |
7025 | odp_actions)) { | |
7026 | put_arp_key(&base, base_flow); | |
7027 | put_arp_key(&mask, &wc->masks); | |
7028 | return SLOW_ACTION; | |
7029 | } | |
7030 | return 0; | |
f6c8a6b1 BP |
7031 | } |
7032 | ||
f6ecf944 JP |
7033 | static void |
7034 | get_icmp_key(const struct flow *flow, struct ovs_key_icmp *icmp) | |
7035 | { | |
7036 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
7037 | icmp->icmp_type = ntohs(flow->tp_src); | |
7038 | icmp->icmp_code = ntohs(flow->tp_dst); | |
7039 | } | |
7040 | ||
7041 | static void | |
7042 | put_icmp_key(const struct ovs_key_icmp *icmp, struct flow *flow) | |
7043 | { | |
7044 | /* icmp_type and icmp_code are stored in tp_src and tp_dst, respectively */ | |
7045 | flow->tp_src = htons(icmp->icmp_type); | |
7046 | flow->tp_dst = htons(icmp->icmp_code); | |
7047 | } | |
7048 | ||
7049 | static enum slow_path_reason | |
7050 | commit_set_icmp_action(const struct flow *flow, struct flow *base_flow, | |
7051 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
7052 | { | |
7053 | struct ovs_key_icmp key, mask, base; | |
7054 | enum ovs_key_attr attr; | |
7055 | ||
a75636c8 | 7056 | if (is_icmpv4(flow, NULL)) { |
efa6665e | 7057 | attr = OVS_KEY_ATTR_ICMP; |
a75636c8 | 7058 | } else if (is_icmpv6(flow, NULL)) { |
efa6665e DDP |
7059 | attr = OVS_KEY_ATTR_ICMPV6; |
7060 | } else { | |
7061 | return 0; | |
7062 | } | |
7063 | ||
f6ecf944 JP |
7064 | get_icmp_key(flow, &key); |
7065 | get_icmp_key(base_flow, &base); | |
7066 | get_icmp_key(&wc->masks, &mask); | |
7067 | ||
f6ecf944 JP |
7068 | if (commit(attr, false, &key, &base, &mask, sizeof key, odp_actions)) { |
7069 | put_icmp_key(&base, base_flow); | |
7070 | put_icmp_key(&mask, &wc->masks); | |
7071 | return SLOW_ACTION; | |
7072 | } | |
7073 | return 0; | |
7074 | } | |
7075 | ||
e60e935b SRCSA |
7076 | static void |
7077 | get_nd_key(const struct flow *flow, struct ovs_key_nd *nd) | |
7078 | { | |
932c96b7 | 7079 | nd->nd_target = flow->nd_target; |
e60e935b | 7080 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
7081 | nd->nd_sll = flow->arp_sha; |
7082 | nd->nd_tll = flow->arp_tha; | |
e60e935b SRCSA |
7083 | } |
7084 | ||
7085 | static void | |
7086 | put_nd_key(const struct ovs_key_nd *nd, struct flow *flow) | |
7087 | { | |
932c96b7 | 7088 | flow->nd_target = nd->nd_target; |
e60e935b | 7089 | /* nd_sll and nd_tll are stored in arp_sha and arp_tha, respectively */ |
74ff3298 JR |
7090 | flow->arp_sha = nd->nd_sll; |
7091 | flow->arp_tha = nd->nd_tll; | |
e60e935b SRCSA |
7092 | } |
7093 | ||
7094 | static enum slow_path_reason | |
7095 | commit_set_nd_action(const struct flow *flow, struct flow *base_flow, | |
7096 | struct ofpbuf *odp_actions, | |
7097 | struct flow_wildcards *wc, bool use_masked) | |
7098 | { | |
7099 | struct ovs_key_nd key, mask, base; | |
7100 | ||
7101 | get_nd_key(flow, &key); | |
7102 | get_nd_key(base_flow, &base); | |
7103 | get_nd_key(&wc->masks, &mask); | |
7104 | ||
7105 | if (commit(OVS_KEY_ATTR_ND, use_masked, &key, &base, &mask, sizeof key, | |
7106 | odp_actions)) { | |
7107 | put_nd_key(&base, base_flow); | |
7108 | put_nd_key(&mask, &wc->masks); | |
7109 | return SLOW_ACTION; | |
7110 | } | |
7111 | ||
7112 | return 0; | |
7113 | } | |
7114 | ||
f6c8a6b1 | 7115 | static enum slow_path_reason |
c4f2731d | 7116 | commit_set_nw_action(const struct flow *flow, struct flow *base, |
d23df9a8 JR |
7117 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
7118 | bool use_masked) | |
c4f2731d | 7119 | { |
f6c8a6b1 | 7120 | /* Check if 'flow' really has an L3 header. */ |
c4f2731d | 7121 | if (!flow->nw_proto) { |
f6c8a6b1 | 7122 | return 0; |
c4f2731d PS |
7123 | } |
7124 | ||
f6c8a6b1 BP |
7125 | switch (ntohs(base->dl_type)) { |
7126 | case ETH_TYPE_IP: | |
d23df9a8 | 7127 | commit_set_ipv4_action(flow, base, odp_actions, wc, use_masked); |
f6c8a6b1 BP |
7128 | break; |
7129 | ||
7130 | case ETH_TYPE_IPV6: | |
d23df9a8 | 7131 | commit_set_ipv6_action(flow, base, odp_actions, wc, use_masked); |
e60e935b | 7132 | return commit_set_nd_action(flow, base, odp_actions, wc, use_masked); |
f6c8a6b1 BP |
7133 | |
7134 | case ETH_TYPE_ARP: | |
7135 | return commit_set_arp_action(flow, base, odp_actions, wc); | |
c4f2731d | 7136 | } |
f6c8a6b1 BP |
7137 | |
7138 | return 0; | |
c4f2731d PS |
7139 | } |
7140 | ||
17553f27 | 7141 | static inline void |
3d2fbd70 JS |
7142 | get_nsh_key(const struct flow *flow, struct ovs_key_nsh *nsh, bool is_mask) |
7143 | { | |
17553f27 YY |
7144 | *nsh = flow->nsh; |
7145 | if (!is_mask) { | |
7146 | if (nsh->mdtype != NSH_M_TYPE1) { | |
7147 | memset(nsh->context, 0, sizeof(nsh->context)); | |
3d2fbd70 JS |
7148 | } |
7149 | } | |
7150 | } | |
7151 | ||
17553f27 | 7152 | static inline void |
3d2fbd70 JS |
7153 | put_nsh_key(const struct ovs_key_nsh *nsh, struct flow *flow, |
7154 | bool is_mask OVS_UNUSED) | |
7155 | { | |
17553f27 YY |
7156 | flow->nsh = *nsh; |
7157 | if (flow->nsh.mdtype != NSH_M_TYPE1) { | |
7158 | memset(flow->nsh.context, 0, sizeof(flow->nsh.context)); | |
3d2fbd70 JS |
7159 | } |
7160 | } | |
7161 | ||
f59cb331 | 7162 | static bool |
17553f27 | 7163 | commit_nsh(const struct ovs_key_nsh * flow_nsh, bool use_masked_set, |
f59cb331 YY |
7164 | const struct ovs_key_nsh *key, struct ovs_key_nsh *base, |
7165 | struct ovs_key_nsh *mask, size_t size, | |
7166 | struct ofpbuf *odp_actions) | |
7167 | { | |
7168 | enum ovs_key_attr attr = OVS_KEY_ATTR_NSH; | |
7169 | ||
7170 | if (memcmp(key, base, size) == 0) { | |
7171 | /* Mask bits are set when we have either read or set the corresponding | |
7172 | * values. Masked bits will be exact-matched, no need to set them | |
7173 | * if the value did not actually change. */ | |
7174 | return false; | |
7175 | } | |
7176 | ||
7177 | bool fully_masked = odp_mask_is_exact(attr, mask, size); | |
7178 | ||
7179 | if (use_masked_set && !fully_masked) { | |
7180 | size_t nsh_key_ofs; | |
7181 | struct ovs_nsh_key_base nsh_base; | |
7182 | struct ovs_nsh_key_base nsh_base_mask; | |
7183 | struct ovs_nsh_key_md1 md1; | |
7184 | struct ovs_nsh_key_md1 md1_mask; | |
7185 | size_t offset = nl_msg_start_nested(odp_actions, | |
7186 | OVS_ACTION_ATTR_SET_MASKED); | |
7187 | ||
7188 | nsh_base.flags = key->flags; | |
17553f27 | 7189 | nsh_base.ttl = key->ttl; |
f59cb331 YY |
7190 | nsh_base.mdtype = key->mdtype; |
7191 | nsh_base.np = key->np; | |
7192 | nsh_base.path_hdr = key->path_hdr; | |
7193 | ||
7194 | nsh_base_mask.flags = mask->flags; | |
17553f27 | 7195 | nsh_base_mask.ttl = mask->ttl; |
f59cb331 YY |
7196 | nsh_base_mask.mdtype = mask->mdtype; |
7197 | nsh_base_mask.np = mask->np; | |
7198 | nsh_base_mask.path_hdr = mask->path_hdr; | |
7199 | ||
7200 | /* OVS_KEY_ATTR_NSH keys */ | |
7201 | nsh_key_ofs = nl_msg_start_nested(odp_actions, OVS_KEY_ATTR_NSH); | |
7202 | ||
81fdabb9 | 7203 | /* put value and mask for OVS_NSH_KEY_ATTR_BASE */ |
f59cb331 YY |
7204 | char *data = nl_msg_put_unspec_uninit(odp_actions, |
7205 | OVS_NSH_KEY_ATTR_BASE, | |
81fdabb9 | 7206 | 2 * sizeof(nsh_base)); |
f59cb331 YY |
7207 | const char *lkey = (char *)&nsh_base, *lmask = (char *)&nsh_base_mask; |
7208 | size_t lkey_size = sizeof(nsh_base); | |
7209 | ||
7210 | while (lkey_size--) { | |
7211 | *data++ = *lkey++ & *lmask++; | |
7212 | } | |
81fdabb9 YY |
7213 | lmask = (char *)&nsh_base_mask; |
7214 | memcpy(data, lmask, sizeof(nsh_base_mask)); | |
f59cb331 YY |
7215 | |
7216 | switch (key->mdtype) { | |
7217 | case NSH_M_TYPE1: | |
7218 | memcpy(md1.context, key->context, sizeof key->context); | |
7219 | memcpy(md1_mask.context, mask->context, sizeof mask->context); | |
7220 | ||
81fdabb9 | 7221 | /* put value and mask for OVS_NSH_KEY_ATTR_MD1 */ |
f59cb331 YY |
7222 | data = nl_msg_put_unspec_uninit(odp_actions, |
7223 | OVS_NSH_KEY_ATTR_MD1, | |
81fdabb9 | 7224 | 2 * sizeof(md1)); |
f59cb331 YY |
7225 | lkey = (char *)&md1; |
7226 | lmask = (char *)&md1_mask; | |
7227 | lkey_size = sizeof(md1); | |
7228 | ||
7229 | while (lkey_size--) { | |
7230 | *data++ = *lkey++ & *lmask++; | |
7231 | } | |
f59cb331 YY |
7232 | lmask = (char *)&md1_mask; |
7233 | memcpy(data, lmask, sizeof(md1_mask)); | |
7234 | break; | |
7235 | case NSH_M_TYPE2: | |
7236 | default: | |
7237 | /* No match support for other MD formats yet. */ | |
7238 | break; | |
7239 | } | |
81fdabb9 | 7240 | |
f59cb331 YY |
7241 | nl_msg_end_nested(odp_actions, nsh_key_ofs); |
7242 | ||
7243 | nl_msg_end_nested(odp_actions, offset); | |
7244 | } else { | |
7245 | if (!fully_masked) { | |
7246 | memset(mask, 0xff, size); | |
7247 | } | |
7248 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
7249 | nsh_key_to_attr(odp_actions, flow_nsh, NULL, 0, false); | |
7250 | nl_msg_end_nested(odp_actions, offset); | |
7251 | } | |
7252 | memcpy(base, key, size); | |
7253 | return true; | |
7254 | } | |
7255 | ||
3d2fbd70 JS |
7256 | static void |
7257 | commit_set_nsh_action(const struct flow *flow, struct flow *base_flow, | |
7258 | struct ofpbuf *odp_actions, | |
7259 | struct flow_wildcards *wc, | |
7260 | bool use_masked) | |
7261 | { | |
7262 | struct ovs_key_nsh key, mask, base; | |
7263 | ||
7264 | if (flow->dl_type != htons(ETH_TYPE_NSH) || | |
7265 | !memcmp(&base_flow->nsh, &flow->nsh, sizeof base_flow->nsh)) { | |
7266 | return; | |
7267 | } | |
7268 | ||
7269 | /* Check that mdtype and np remain unchanged. */ | |
7270 | ovs_assert(flow->nsh.mdtype == base_flow->nsh.mdtype && | |
7271 | flow->nsh.np == base_flow->nsh.np); | |
7272 | ||
7273 | get_nsh_key(flow, &key, false); | |
7274 | get_nsh_key(base_flow, &base, false); | |
7275 | get_nsh_key(&wc->masks, &mask, true); | |
7276 | mask.mdtype = 0; /* Not writable. */ | |
7277 | mask.np = 0; /* Not writable. */ | |
7278 | ||
f59cb331 YY |
7279 | if (commit_nsh(&base_flow->nsh, use_masked, &key, &base, &mask, |
7280 | sizeof key, odp_actions)) { | |
3d2fbd70 JS |
7281 | put_nsh_key(&base, base_flow, false); |
7282 | if (mask.mdtype != 0) { /* Mask was changed by commit(). */ | |
7283 | put_nsh_key(&mask, &wc->masks, true); | |
7284 | } | |
7285 | } | |
7286 | } | |
7287 | ||
d23df9a8 JR |
7288 | /* TCP, UDP, and SCTP keys have the same layout. */ |
7289 | BUILD_ASSERT_DECL(sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_udp) && | |
7290 | sizeof(struct ovs_key_tcp) == sizeof(struct ovs_key_sctp)); | |
7291 | ||
5bbda0aa | 7292 | static void |
3cea18ec | 7293 | get_tp_key(const struct flow *flow, union ovs_key_tp *tp) |
5bbda0aa | 7294 | { |
3cea18ec JR |
7295 | tp->tcp.tcp_src = flow->tp_src; |
7296 | tp->tcp.tcp_dst = flow->tp_dst; | |
d23df9a8 JR |
7297 | } |
7298 | ||
7299 | static void | |
3cea18ec | 7300 | put_tp_key(const union ovs_key_tp *tp, struct flow *flow) |
d23df9a8 | 7301 | { |
3cea18ec JR |
7302 | flow->tp_src = tp->tcp.tcp_src; |
7303 | flow->tp_dst = tp->tcp.tcp_dst; | |
d23df9a8 JR |
7304 | } |
7305 | ||
7306 | static void | |
7307 | commit_set_port_action(const struct flow *flow, struct flow *base_flow, | |
7308 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, | |
7309 | bool use_masked) | |
7310 | { | |
7311 | enum ovs_key_attr key_type; | |
3cea18ec | 7312 | union ovs_key_tp key, mask, base; |
d23df9a8 | 7313 | |
791a09be SH |
7314 | /* Check if 'flow' really has an L3 header. */ |
7315 | if (!flow->nw_proto) { | |
7316 | return; | |
7317 | } | |
7318 | ||
d23df9a8 | 7319 | if (!is_ip_any(base_flow)) { |
5bbda0aa EJ |
7320 | return; |
7321 | } | |
7322 | ||
5bbda0aa | 7323 | if (flow->nw_proto == IPPROTO_TCP) { |
d23df9a8 | 7324 | key_type = OVS_KEY_ATTR_TCP; |
5bbda0aa | 7325 | } else if (flow->nw_proto == IPPROTO_UDP) { |
d23df9a8 | 7326 | key_type = OVS_KEY_ATTR_UDP; |
c6bcb685 | 7327 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
d23df9a8 JR |
7328 | key_type = OVS_KEY_ATTR_SCTP; |
7329 | } else { | |
7330 | return; | |
7331 | } | |
c6bcb685 | 7332 | |
d23df9a8 JR |
7333 | get_tp_key(flow, &key); |
7334 | get_tp_key(base_flow, &base); | |
7335 | get_tp_key(&wc->masks, &mask); | |
c6bcb685 | 7336 | |
d23df9a8 JR |
7337 | if (commit(key_type, use_masked, &key, &base, &mask, sizeof key, |
7338 | odp_actions)) { | |
7339 | put_tp_key(&base, base_flow); | |
7340 | put_tp_key(&mask, &wc->masks); | |
5bbda0aa EJ |
7341 | } |
7342 | } | |
7343 | ||
7344 | static void | |
d23df9a8 | 7345 | commit_set_priority_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 7346 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
7347 | struct flow_wildcards *wc, |
7348 | bool use_masked) | |
5bbda0aa | 7349 | { |
d23df9a8 | 7350 | uint32_t key, mask, base; |
1dd35f8a | 7351 | |
d23df9a8 JR |
7352 | key = flow->skb_priority; |
7353 | base = base_flow->skb_priority; | |
7354 | mask = wc->masks.skb_priority; | |
5bbda0aa | 7355 | |
d23df9a8 JR |
7356 | if (commit(OVS_KEY_ATTR_PRIORITY, use_masked, &key, &base, &mask, |
7357 | sizeof key, odp_actions)) { | |
7358 | base_flow->skb_priority = base; | |
7359 | wc->masks.skb_priority = mask; | |
7360 | } | |
5bbda0aa EJ |
7361 | } |
7362 | ||
72e8bf28 | 7363 | static void |
d23df9a8 | 7364 | commit_set_pkt_mark_action(const struct flow *flow, struct flow *base_flow, |
1dd35f8a | 7365 | struct ofpbuf *odp_actions, |
d23df9a8 JR |
7366 | struct flow_wildcards *wc, |
7367 | bool use_masked) | |
72e8bf28 | 7368 | { |
d23df9a8 | 7369 | uint32_t key, mask, base; |
1dd35f8a | 7370 | |
d23df9a8 JR |
7371 | key = flow->pkt_mark; |
7372 | base = base_flow->pkt_mark; | |
7373 | mask = wc->masks.pkt_mark; | |
72e8bf28 | 7374 | |
d23df9a8 JR |
7375 | if (commit(OVS_KEY_ATTR_SKB_MARK, use_masked, &key, &base, &mask, |
7376 | sizeof key, odp_actions)) { | |
7377 | base_flow->pkt_mark = base; | |
7378 | wc->masks.pkt_mark = mask; | |
7379 | } | |
72e8bf28 | 7380 | } |
7fd91025 | 7381 | |
1fc11c59 | 7382 | static void |
f59cb331 | 7383 | odp_put_pop_nsh_action(struct ofpbuf *odp_actions) |
1fc11c59 | 7384 | { |
f59cb331 | 7385 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_NSH); |
1fc11c59 JS |
7386 | } |
7387 | ||
7388 | static void | |
f59cb331 | 7389 | odp_put_push_nsh_action(struct ofpbuf *odp_actions, |
1fc11c59 JS |
7390 | const struct flow *flow, |
7391 | struct ofpbuf *encap_data) | |
7392 | { | |
f59cb331 YY |
7393 | uint8_t * metadata = NULL; |
7394 | uint8_t md_size = 0; | |
1fc11c59 | 7395 | |
f59cb331 | 7396 | switch (flow->nsh.mdtype) { |
1fc11c59 JS |
7397 | case NSH_M_TYPE2: |
7398 | if (encap_data) { | |
f59cb331 YY |
7399 | ovs_assert(encap_data->size < NSH_CTX_HDRS_MAX_LEN); |
7400 | metadata = encap_data->data; | |
7401 | md_size = encap_data->size; | |
1fc11c59 | 7402 | } else { |
f59cb331 | 7403 | md_size = 0; |
1fc11c59 JS |
7404 | } |
7405 | break; | |
7406 | default: | |
f59cb331 | 7407 | md_size = 0; |
1fc11c59 JS |
7408 | break; |
7409 | } | |
f59cb331 YY |
7410 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_PUSH_NSH); |
7411 | nsh_key_to_attr(odp_actions, &flow->nsh, metadata, md_size, false); | |
7412 | nl_msg_end_nested(odp_actions, offset); | |
1fc11c59 JS |
7413 | } |
7414 | ||
f839892a JS |
7415 | static void |
7416 | commit_packet_type_change(const struct flow *flow, | |
7417 | struct flow *base_flow, | |
7418 | struct ofpbuf *odp_actions, | |
7419 | struct flow_wildcards *wc, | |
1fc11c59 JS |
7420 | bool pending_encap, |
7421 | struct ofpbuf *encap_data) | |
f839892a JS |
7422 | { |
7423 | if (flow->packet_type == base_flow->packet_type) { | |
7424 | return; | |
7425 | } | |
7426 | ||
7427 | if (pending_encap) { | |
7428 | switch (ntohl(flow->packet_type)) { | |
7429 | case PT_ETH: { | |
7430 | /* push_eth */ | |
7431 | odp_put_push_eth_action(odp_actions, &flow->dl_src, | |
7432 | &flow->dl_dst); | |
7433 | base_flow->packet_type = flow->packet_type; | |
7434 | base_flow->dl_src = flow->dl_src; | |
7435 | base_flow->dl_dst = flow->dl_dst; | |
7436 | break; | |
7437 | } | |
1fc11c59 | 7438 | case PT_NSH: |
f59cb331 YY |
7439 | /* push_nsh */ |
7440 | odp_put_push_nsh_action(odp_actions, flow, encap_data); | |
1fc11c59 JS |
7441 | base_flow->packet_type = flow->packet_type; |
7442 | /* Update all packet headers in base_flow. */ | |
7443 | memcpy(&base_flow->dl_dst, &flow->dl_dst, | |
7444 | sizeof(*flow) - offsetof(struct flow, dl_dst)); | |
7445 | break; | |
f839892a | 7446 | default: |
1fc11c59 JS |
7447 | /* Only the above protocols are supported for encap. |
7448 | * The check is done at action translation. */ | |
f839892a JS |
7449 | OVS_NOT_REACHED(); |
7450 | } | |
7451 | } else { | |
1fc11c59 | 7452 | /* This is an explicit or implicit decap case. */ |
f839892a JS |
7453 | if (pt_ns(flow->packet_type) == OFPHTN_ETHERTYPE && |
7454 | base_flow->packet_type == htonl(PT_ETH)) { | |
1fc11c59 | 7455 | /* Generate pop_eth and continue without recirculation. */ |
f839892a JS |
7456 | odp_put_pop_eth_action(odp_actions); |
7457 | base_flow->packet_type = flow->packet_type; | |
7458 | base_flow->dl_src = eth_addr_zero; | |
7459 | base_flow->dl_dst = eth_addr_zero; | |
7460 | } else { | |
1fc11c59 JS |
7461 | /* All other decap cases require recirculation. |
7462 | * No need to update the base flow here. */ | |
7463 | switch (ntohl(base_flow->packet_type)) { | |
7464 | case PT_NSH: | |
f59cb331 YY |
7465 | /* pop_nsh. */ |
7466 | odp_put_pop_nsh_action(odp_actions); | |
1fc11c59 JS |
7467 | break; |
7468 | default: | |
7469 | /* Checks are done during translation. */ | |
7470 | OVS_NOT_REACHED(); | |
7471 | } | |
f839892a JS |
7472 | } |
7473 | } | |
7474 | ||
7475 | wc->masks.packet_type = OVS_BE32_MAX; | |
7476 | } | |
7477 | ||
5bbda0aa EJ |
7478 | /* If any of the flow key data that ODP actions can modify are different in |
7479 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
7480 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
7481 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a | 7482 | * in addition to this function if needed. Sets fields in 'wc' that are |
7fd91025 BP |
7483 | * used as part of the action. |
7484 | * | |
7485 | * Returns a reason to force processing the flow's packets into the userspace | |
7486 | * slow path, if there is one, otherwise 0. */ | |
7487 | enum slow_path_reason | |
5bbda0aa | 7488 | commit_odp_actions(const struct flow *flow, struct flow *base, |
d23df9a8 | 7489 | struct ofpbuf *odp_actions, struct flow_wildcards *wc, |
1fc11c59 JS |
7490 | bool use_masked, bool pending_encap, |
7491 | struct ofpbuf *encap_data) | |
5bbda0aa | 7492 | { |
f6ecf944 | 7493 | enum slow_path_reason slow1, slow2; |
742c0ac3 | 7494 | bool mpls_done = false; |
f6c8a6b1 | 7495 | |
1fc11c59 JS |
7496 | commit_packet_type_change(flow, base, odp_actions, wc, |
7497 | pending_encap, encap_data); | |
f839892a | 7498 | commit_set_ether_action(flow, base, odp_actions, wc, use_masked); |
742c0ac3 JR |
7499 | /* Make packet a non-MPLS packet before committing L3/4 actions, |
7500 | * which would otherwise do nothing. */ | |
7501 | if (eth_type_mpls(base->dl_type) && !eth_type_mpls(flow->dl_type)) { | |
7502 | commit_mpls_action(flow, base, odp_actions); | |
7503 | mpls_done = true; | |
7504 | } | |
3d2fbd70 | 7505 | commit_set_nsh_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 7506 | slow1 = commit_set_nw_action(flow, base, odp_actions, wc, use_masked); |
d23df9a8 | 7507 | commit_set_port_action(flow, base, odp_actions, wc, use_masked); |
f6ecf944 | 7508 | slow2 = commit_set_icmp_action(flow, base, odp_actions, wc); |
742c0ac3 JR |
7509 | if (!mpls_done) { |
7510 | commit_mpls_action(flow, base, odp_actions); | |
7511 | } | |
f0fb825a | 7512 | commit_vlan_action(flow, base, odp_actions, wc); |
d23df9a8 JR |
7513 | commit_set_priority_action(flow, base, odp_actions, wc, use_masked); |
7514 | commit_set_pkt_mark_action(flow, base, odp_actions, wc, use_masked); | |
7fd91025 | 7515 | |
f6ecf944 | 7516 | return slow1 ? slow1 : slow2; |
5bbda0aa | 7517 | } |