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Commit | Line | Data |
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064af421 | 1 | /* |
8bfd0fda | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 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> | |
bed69b3e | 18 | #include <arpa/inet.h> |
064af421 | 19 | #include "odp-util.h" |
36956a7d | 20 | #include <errno.h> |
064af421 | 21 | #include <inttypes.h> |
7202cbe5 | 22 | #include <math.h> |
6ca00f6f | 23 | #include <netinet/in.h> |
685a51a5 | 24 | #include <netinet/icmp6.h> |
064af421 BP |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
cdee00fd | 27 | #include "byte-order.h" |
064af421 | 28 | #include "coverage.h" |
758c456d | 29 | #include "dpif.h" |
064af421 BP |
30 | #include "dynamic-string.h" |
31 | #include "flow.h" | |
cdee00fd | 32 | #include "netlink.h" |
3bffc610 | 33 | #include "ofpbuf.h" |
064af421 | 34 | #include "packets.h" |
44bac24b | 35 | #include "simap.h" |
064af421 BP |
36 | #include "timeval.h" |
37 | #include "util.h" | |
34118cae BP |
38 | #include "vlog.h" |
39 | ||
40 | VLOG_DEFINE_THIS_MODULE(odp_util); | |
064af421 | 41 | |
df2c07f4 JP |
42 | /* The interface between userspace and kernel uses an "OVS_*" prefix. |
43 | * Since this is fairly non-specific for the OVS userspace components, | |
44 | * "ODP_*" (Open vSwitch Datapath) is used as the prefix for | |
45 | * interactions with the datapath. | |
46 | */ | |
47 | ||
7202cbe5 BP |
48 | /* The set of characters that may separate one action or one key attribute |
49 | * from another. */ | |
50 | static const char *delimiters = ", \t\r\n"; | |
51 | ||
e6cc0bab AZ |
52 | static int parse_odp_key_mask_attr(const char *, const struct simap *port_names, |
53 | struct ofpbuf *, struct ofpbuf *); | |
54 | static void format_odp_key_attr(const struct nlattr *a, | |
0a37839c GS |
55 | const struct nlattr *ma, |
56 | const struct hmap *portno_names, struct ds *ds, | |
041e7168 | 57 | bool verbose); |
a052b51b | 58 | |
98403001 BP |
59 | /* Returns one the following for the action with the given OVS_ACTION_ATTR_* |
60 | * 'type': | |
61 | * | |
62 | * - For an action whose argument has a fixed length, returned that | |
63 | * nonnegative length in bytes. | |
64 | * | |
65 | * - For an action with a variable-length argument, returns -2. | |
66 | * | |
67 | * - For an invalid 'type', returns -1. */ | |
4edb9ae9 | 68 | static int |
cdee00fd BP |
69 | odp_action_len(uint16_t type) |
70 | { | |
df2c07f4 | 71 | if (type > OVS_ACTION_ATTR_MAX) { |
cdee00fd BP |
72 | return -1; |
73 | } | |
74 | ||
09ded0ad | 75 | switch ((enum ovs_action_attr) type) { |
fea393b1 | 76 | case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t); |
98403001 | 77 | case OVS_ACTION_ATTR_USERSPACE: return -2; |
fea393b1 BP |
78 | case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan); |
79 | case OVS_ACTION_ATTR_POP_VLAN: return 0; | |
b02475c5 SH |
80 | case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls); |
81 | case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16); | |
347bf289 AZ |
82 | case OVS_ACTION_ATTR_RECIRC: return sizeof(uint32_t); |
83 | case OVS_ACTION_ATTR_HASH: return sizeof(struct ovs_action_hash); | |
4edb9ae9 | 84 | case OVS_ACTION_ATTR_SET: return -2; |
98403001 | 85 | case OVS_ACTION_ATTR_SAMPLE: return -2; |
df2c07f4 JP |
86 | |
87 | case OVS_ACTION_ATTR_UNSPEC: | |
88 | case __OVS_ACTION_ATTR_MAX: | |
cdee00fd BP |
89 | return -1; |
90 | } | |
91 | ||
92 | return -1; | |
93 | } | |
94 | ||
e6603631 BP |
95 | /* Returns a string form of 'attr'. The return value is either a statically |
96 | * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize' | |
97 | * should be at least OVS_KEY_ATTR_BUFSIZE. */ | |
98 | enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 }; | |
744791b5 | 99 | static const char * |
e6603631 | 100 | ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize) |
744791b5 | 101 | { |
744791b5 BP |
102 | switch (attr) { |
103 | case OVS_KEY_ATTR_UNSPEC: return "unspec"; | |
fea393b1 | 104 | case OVS_KEY_ATTR_ENCAP: return "encap"; |
1b567fb9 | 105 | case OVS_KEY_ATTR_PRIORITY: return "skb_priority"; |
72e8bf28 | 106 | case OVS_KEY_ATTR_SKB_MARK: return "skb_mark"; |
9b405f1a | 107 | case OVS_KEY_ATTR_TUNNEL: return "tunnel"; |
744791b5 BP |
108 | case OVS_KEY_ATTR_IN_PORT: return "in_port"; |
109 | case OVS_KEY_ATTR_ETHERNET: return "eth"; | |
fea393b1 | 110 | case OVS_KEY_ATTR_VLAN: return "vlan"; |
744791b5 BP |
111 | case OVS_KEY_ATTR_ETHERTYPE: return "eth_type"; |
112 | case OVS_KEY_ATTR_IPV4: return "ipv4"; | |
113 | case OVS_KEY_ATTR_IPV6: return "ipv6"; | |
114 | case OVS_KEY_ATTR_TCP: return "tcp"; | |
dc235f7f | 115 | case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags"; |
744791b5 | 116 | case OVS_KEY_ATTR_UDP: return "udp"; |
c6bcb685 | 117 | case OVS_KEY_ATTR_SCTP: return "sctp"; |
744791b5 BP |
118 | case OVS_KEY_ATTR_ICMP: return "icmp"; |
119 | case OVS_KEY_ATTR_ICMPV6: return "icmpv6"; | |
120 | case OVS_KEY_ATTR_ARP: return "arp"; | |
121 | case OVS_KEY_ATTR_ND: return "nd"; | |
b02475c5 | 122 | case OVS_KEY_ATTR_MPLS: return "mpls"; |
572f732a AZ |
123 | case OVS_KEY_ATTR_DP_HASH: return "dp_hash"; |
124 | case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id"; | |
744791b5 BP |
125 | |
126 | case __OVS_KEY_ATTR_MAX: | |
127 | default: | |
e6603631 BP |
128 | snprintf(namebuf, bufsize, "key%u", (unsigned int) attr); |
129 | return namebuf; | |
744791b5 BP |
130 | } |
131 | } | |
132 | ||
cdee00fd BP |
133 | static void |
134 | format_generic_odp_action(struct ds *ds, const struct nlattr *a) | |
135 | { | |
8ba43fbd BP |
136 | size_t len = nl_attr_get_size(a); |
137 | ||
cdee00fd | 138 | ds_put_format(ds, "action%"PRId16, nl_attr_type(a)); |
8ba43fbd | 139 | if (len) { |
cdee00fd BP |
140 | const uint8_t *unspec; |
141 | unsigned int i; | |
142 | ||
143 | unspec = nl_attr_get(a); | |
8ba43fbd | 144 | for (i = 0; i < len; i++) { |
cdee00fd BP |
145 | ds_put_char(ds, i ? ' ': '('); |
146 | ds_put_format(ds, "%02x", unspec[i]); | |
147 | } | |
148 | ds_put_char(ds, ')'); | |
149 | } | |
150 | } | |
151 | ||
6ff686f2 PS |
152 | static void |
153 | format_odp_sample_action(struct ds *ds, const struct nlattr *attr) | |
154 | { | |
155 | static const struct nl_policy ovs_sample_policy[] = { | |
3548d242 BP |
156 | [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 }, |
157 | [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED } | |
6ff686f2 PS |
158 | }; |
159 | struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)]; | |
6ff686f2 PS |
160 | double percentage; |
161 | const struct nlattr *nla_acts; | |
162 | int len; | |
163 | ||
164 | ds_put_cstr(ds, "sample"); | |
165 | ||
5621afff | 166 | if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) { |
6ff686f2 PS |
167 | ds_put_cstr(ds, "(error)"); |
168 | return; | |
169 | } | |
170 | ||
171 | percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) / | |
172 | UINT32_MAX; | |
173 | ||
174 | ds_put_format(ds, "(sample=%.1f%%,", percentage); | |
175 | ||
176 | ds_put_cstr(ds, "actions("); | |
177 | nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
178 | len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]); | |
179 | format_odp_actions(ds, nla_acts, len); | |
180 | ds_put_format(ds, "))"); | |
181 | } | |
182 | ||
6a7e895f | 183 | static const char * |
04594cd5 | 184 | slow_path_reason_to_string(uint32_t reason) |
6a7e895f | 185 | { |
04594cd5 BP |
186 | switch ((enum slow_path_reason) reason) { |
187 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING; | |
188 | SLOW_PATH_REASONS | |
189 | #undef SPR | |
6a7e895f | 190 | } |
04594cd5 BP |
191 | |
192 | return NULL; | |
6a7e895f BP |
193 | } |
194 | ||
04594cd5 BP |
195 | const char * |
196 | slow_path_reason_to_explanation(enum slow_path_reason reason) | |
98f0520f | 197 | { |
04594cd5 BP |
198 | switch (reason) { |
199 | #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION; | |
200 | SLOW_PATH_REASONS | |
201 | #undef SPR | |
98f0520f EJ |
202 | } |
203 | ||
04594cd5 | 204 | return "<unknown>"; |
98f0520f EJ |
205 | } |
206 | ||
ec956fc7 PS |
207 | static int |
208 | parse_flags(const char *s, const char *(*bit_to_string)(uint32_t), | |
209 | uint32_t *res) | |
210 | { | |
211 | uint32_t result = 0; | |
212 | int n = 0; | |
213 | ||
214 | if (s[n] != '(') { | |
215 | return -EINVAL; | |
216 | } | |
217 | n++; | |
218 | ||
219 | while (s[n] != ')') { | |
220 | unsigned long long int flags; | |
221 | uint32_t bit; | |
222 | int n0; | |
223 | ||
c2c28dfd | 224 | if (ovs_scan(&s[n], "%lli%n", &flags, &n0)) { |
ec956fc7 PS |
225 | n += n0 + (s[n + n0] == ','); |
226 | result |= flags; | |
227 | continue; | |
228 | } | |
229 | ||
230 | for (bit = 1; bit; bit <<= 1) { | |
231 | const char *name = bit_to_string(bit); | |
232 | size_t len; | |
233 | ||
234 | if (!name) { | |
235 | continue; | |
236 | } | |
237 | ||
238 | len = strlen(name); | |
239 | if (!strncmp(s + n, name, len) && | |
240 | (s[n + len] == ',' || s[n + len] == ')')) { | |
241 | result |= bit; | |
242 | n += len + (s[n + len] == ','); | |
243 | break; | |
244 | } | |
245 | } | |
246 | ||
247 | if (!bit) { | |
248 | return -EINVAL; | |
249 | } | |
250 | } | |
251 | n++; | |
252 | ||
253 | *res = result; | |
254 | return n; | |
6a7e895f BP |
255 | } |
256 | ||
98403001 BP |
257 | static void |
258 | format_odp_userspace_action(struct ds *ds, const struct nlattr *attr) | |
259 | { | |
260 | static const struct nl_policy ovs_userspace_policy[] = { | |
3548d242 BP |
261 | [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 }, |
262 | [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC, | |
263 | .optional = true }, | |
98403001 BP |
264 | }; |
265 | struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)]; | |
e995e3df | 266 | const struct nlattr *userdata_attr; |
98403001 BP |
267 | |
268 | if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) { | |
269 | ds_put_cstr(ds, "userspace(error)"); | |
270 | return; | |
271 | } | |
272 | ||
273 | ds_put_format(ds, "userspace(pid=%"PRIu32, | |
274 | nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID])); | |
275 | ||
e995e3df | 276 | userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA]; |
29089a54 RL |
277 | |
278 | if (userdata_attr) { | |
279 | const uint8_t *userdata = nl_attr_get(userdata_attr); | |
280 | size_t userdata_len = nl_attr_get_size(userdata_attr); | |
281 | bool userdata_unspec = true; | |
1673e0e4 | 282 | union user_action_cookie cookie; |
98403001 | 283 | |
29089a54 RL |
284 | if (userdata_len >= sizeof cookie.type |
285 | && userdata_len <= sizeof cookie) { | |
286 | ||
287 | memset(&cookie, 0, sizeof cookie); | |
288 | memcpy(&cookie, userdata, userdata_len); | |
289 | ||
290 | userdata_unspec = false; | |
291 | ||
292 | if (userdata_len == sizeof cookie.sflow | |
293 | && cookie.type == USER_ACTION_COOKIE_SFLOW) { | |
294 | ds_put_format(ds, ",sFlow(" | |
295 | "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")", | |
296 | vlan_tci_to_vid(cookie.sflow.vlan_tci), | |
297 | vlan_tci_to_pcp(cookie.sflow.vlan_tci), | |
298 | cookie.sflow.output); | |
299 | } else if (userdata_len == sizeof cookie.slow_path | |
300 | && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) { | |
04594cd5 BP |
301 | ds_put_cstr(ds, ",slow_path("); |
302 | format_flags(ds, slow_path_reason_to_string, | |
303 | cookie.slow_path.reason, ','); | |
304 | ds_put_format(ds, ")"); | |
29089a54 RL |
305 | } else if (userdata_len == sizeof cookie.flow_sample |
306 | && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) { | |
307 | ds_put_format(ds, ",flow_sample(probability=%"PRIu16 | |
308 | ",collector_set_id=%"PRIu32 | |
309 | ",obs_domain_id=%"PRIu32 | |
310 | ",obs_point_id=%"PRIu32")", | |
311 | cookie.flow_sample.probability, | |
312 | cookie.flow_sample.collector_set_id, | |
313 | cookie.flow_sample.obs_domain_id, | |
314 | cookie.flow_sample.obs_point_id); | |
b075a9b8 | 315 | } else if (userdata_len >= sizeof cookie.ipfix |
29089a54 RL |
316 | && cookie.type == USER_ACTION_COOKIE_IPFIX) { |
317 | ds_put_format(ds, ",ipfix"); | |
318 | } else { | |
319 | userdata_unspec = true; | |
320 | } | |
98403001 | 321 | } |
e995e3df | 322 | |
29089a54 RL |
323 | if (userdata_unspec) { |
324 | size_t i; | |
325 | ds_put_format(ds, ",userdata("); | |
326 | for (i = 0; i < userdata_len; i++) { | |
327 | ds_put_format(ds, "%02x", userdata[i]); | |
328 | } | |
329 | ds_put_char(ds, ')'); | |
e995e3df | 330 | } |
98403001 BP |
331 | } |
332 | ||
333 | ds_put_char(ds, ')'); | |
334 | } | |
335 | ||
8ddc056d BP |
336 | static void |
337 | format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci) | |
338 | { | |
339 | ds_put_format(ds, "vid=%"PRIu16",pcp=%d", | |
340 | vlan_tci_to_vid(vlan_tci), | |
341 | vlan_tci_to_pcp(vlan_tci)); | |
342 | if (!(vlan_tci & htons(VLAN_CFI))) { | |
343 | ds_put_cstr(ds, ",cfi=0"); | |
344 | } | |
345 | } | |
346 | ||
b02475c5 SH |
347 | static void |
348 | format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse) | |
349 | { | |
350 | ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d", | |
351 | mpls_lse_to_label(mpls_lse), | |
352 | mpls_lse_to_tc(mpls_lse), | |
353 | mpls_lse_to_ttl(mpls_lse), | |
354 | mpls_lse_to_bos(mpls_lse)); | |
355 | } | |
356 | ||
e6cc0bab AZ |
357 | static void |
358 | format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key, | |
8bfd0fda | 359 | const struct ovs_key_mpls *mpls_mask, int n) |
e6cc0bab | 360 | { |
8bfd0fda BP |
361 | if (n == 1) { |
362 | ovs_be32 key = mpls_key->mpls_lse; | |
e6cc0bab | 363 | |
8bfd0fda BP |
364 | if (mpls_mask == NULL) { |
365 | format_mpls_lse(ds, key); | |
366 | } else { | |
367 | ovs_be32 mask = mpls_mask->mpls_lse; | |
368 | ||
369 | ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x", | |
370 | mpls_lse_to_label(key), mpls_lse_to_label(mask), | |
371 | mpls_lse_to_tc(key), mpls_lse_to_tc(mask), | |
372 | mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask), | |
373 | mpls_lse_to_bos(key), mpls_lse_to_bos(mask)); | |
374 | } | |
e6cc0bab | 375 | } else { |
8bfd0fda | 376 | int i; |
e6cc0bab | 377 | |
8bfd0fda BP |
378 | for (i = 0; i < n; i++) { |
379 | ds_put_format(ds, "lse%d=%#"PRIx32, | |
380 | i, ntohl(mpls_key[i].mpls_lse)); | |
381 | if (mpls_mask) { | |
382 | ds_put_format(ds, "/%#"PRIx32, ntohl(mpls_mask[i].mpls_lse)); | |
383 | } | |
384 | ds_put_char(ds, ','); | |
385 | } | |
386 | ds_chomp(ds, ','); | |
e6cc0bab AZ |
387 | } |
388 | } | |
389 | ||
572f732a | 390 | static void |
347bf289 | 391 | format_odp_recirc_action(struct ds *ds, uint32_t recirc_id) |
572f732a | 392 | { |
347bf289 AZ |
393 | ds_put_format(ds, "recirc(%"PRIu32")", recirc_id); |
394 | } | |
572f732a | 395 | |
347bf289 AZ |
396 | static void |
397 | format_odp_hash_action(struct ds *ds, const struct ovs_action_hash *hash_act) | |
398 | { | |
399 | ds_put_format(ds, "hash("); | |
572f732a | 400 | |
347bf289 | 401 | if (hash_act->hash_alg == OVS_HASH_ALG_L4) { |
62ac1f20 | 402 | ds_put_format(ds, "hash_l4(%"PRIu32")", hash_act->hash_basis); |
347bf289 AZ |
403 | } else { |
404 | ds_put_format(ds, "Unknown hash algorithm(%"PRIu32")", | |
405 | hash_act->hash_alg); | |
406 | } | |
407 | ds_put_format(ds, ")"); | |
572f732a AZ |
408 | } |
409 | ||
4edb9ae9 | 410 | static void |
cdee00fd | 411 | format_odp_action(struct ds *ds, const struct nlattr *a) |
064af421 | 412 | { |
98403001 | 413 | int expected_len; |
4edb9ae9 | 414 | enum ovs_action_attr type = nl_attr_type(a); |
fea393b1 | 415 | const struct ovs_action_push_vlan *vlan; |
cdee00fd | 416 | |
98403001 BP |
417 | expected_len = odp_action_len(nl_attr_type(a)); |
418 | if (expected_len != -2 && nl_attr_get_size(a) != expected_len) { | |
34582733 | 419 | ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ", |
98403001 | 420 | nl_attr_get_size(a), expected_len); |
cdee00fd BP |
421 | format_generic_odp_action(ds, a); |
422 | return; | |
423 | } | |
424 | ||
4edb9ae9 | 425 | switch (type) { |
df2c07f4 | 426 | case OVS_ACTION_ATTR_OUTPUT: |
26ce7705 | 427 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); |
064af421 | 428 | break; |
df2c07f4 | 429 | case OVS_ACTION_ATTR_USERSPACE: |
98403001 | 430 | format_odp_userspace_action(ds, a); |
064af421 | 431 | break; |
572f732a | 432 | case OVS_ACTION_ATTR_RECIRC: |
347bf289 AZ |
433 | format_odp_recirc_action(ds, nl_attr_get_u32(a)); |
434 | break; | |
435 | case OVS_ACTION_ATTR_HASH: | |
436 | format_odp_hash_action(ds, nl_attr_get(a)); | |
572f732a | 437 | break; |
4edb9ae9 PS |
438 | case OVS_ACTION_ATTR_SET: |
439 | ds_put_cstr(ds, "set("); | |
0a37839c | 440 | format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true); |
4edb9ae9 | 441 | ds_put_cstr(ds, ")"); |
064af421 | 442 | break; |
fea393b1 BP |
443 | case OVS_ACTION_ATTR_PUSH_VLAN: |
444 | vlan = nl_attr_get(a); | |
445 | ds_put_cstr(ds, "push_vlan("); | |
446 | if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) { | |
447 | ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid)); | |
448 | } | |
8ddc056d BP |
449 | format_vlan_tci(ds, vlan->vlan_tci); |
450 | ds_put_char(ds, ')'); | |
064af421 | 451 | break; |
fea393b1 BP |
452 | case OVS_ACTION_ATTR_POP_VLAN: |
453 | ds_put_cstr(ds, "pop_vlan"); | |
064af421 | 454 | break; |
b02475c5 SH |
455 | case OVS_ACTION_ATTR_PUSH_MPLS: { |
456 | const struct ovs_action_push_mpls *mpls = nl_attr_get(a); | |
457 | ds_put_cstr(ds, "push_mpls("); | |
458 | format_mpls_lse(ds, mpls->mpls_lse); | |
459 | ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype)); | |
460 | break; | |
461 | } | |
462 | case OVS_ACTION_ATTR_POP_MPLS: { | |
463 | ovs_be16 ethertype = nl_attr_get_be16(a); | |
464 | ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype)); | |
465 | break; | |
466 | } | |
6ff686f2 PS |
467 | case OVS_ACTION_ATTR_SAMPLE: |
468 | format_odp_sample_action(ds, a); | |
469 | break; | |
4edb9ae9 PS |
470 | case OVS_ACTION_ATTR_UNSPEC: |
471 | case __OVS_ACTION_ATTR_MAX: | |
064af421 | 472 | default: |
cdee00fd | 473 | format_generic_odp_action(ds, a); |
064af421 BP |
474 | break; |
475 | } | |
476 | } | |
477 | ||
478 | void | |
cdee00fd | 479 | format_odp_actions(struct ds *ds, const struct nlattr *actions, |
cf22f8cb | 480 | size_t actions_len) |
064af421 | 481 | { |
cdee00fd BP |
482 | if (actions_len) { |
483 | const struct nlattr *a; | |
484 | unsigned int left; | |
485 | ||
486 | NL_ATTR_FOR_EACH (a, left, actions, actions_len) { | |
487 | if (a != actions) { | |
488 | ds_put_char(ds, ','); | |
489 | } | |
490 | format_odp_action(ds, a); | |
064af421 | 491 | } |
cdee00fd | 492 | if (left) { |
3a8cfc50 BP |
493 | int i; |
494 | ||
3476fce3 BP |
495 | if (left == actions_len) { |
496 | ds_put_cstr(ds, "<empty>"); | |
497 | } | |
3a8cfc50 BP |
498 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
499 | for (i = 0; i < left; i++) { | |
500 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
501 | } | |
502 | ds_put_char(ds, ')'); | |
cdee00fd BP |
503 | } |
504 | } else { | |
064af421 BP |
505 | ds_put_cstr(ds, "drop"); |
506 | } | |
507 | } | |
7202cbe5 BP |
508 | |
509 | static int | |
44bac24b | 510 | parse_odp_action(const char *s, const struct simap *port_names, |
7202cbe5 BP |
511 | struct ofpbuf *actions) |
512 | { | |
7202cbe5 | 513 | { |
c2c28dfd BP |
514 | uint32_t port; |
515 | int n; | |
7202cbe5 | 516 | |
c2c28dfd | 517 | if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) { |
7202cbe5 BP |
518 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port); |
519 | return n; | |
520 | } | |
521 | } | |
522 | ||
523 | if (port_names) { | |
524 | int len = strcspn(s, delimiters); | |
44bac24b | 525 | struct simap_node *node; |
7202cbe5 | 526 | |
44bac24b | 527 | node = simap_find_len(port_names, s, len); |
7202cbe5 | 528 | if (node) { |
44bac24b | 529 | nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data); |
7202cbe5 BP |
530 | return len; |
531 | } | |
532 | } | |
533 | ||
534 | { | |
c2c28dfd BP |
535 | uint32_t pid; |
536 | uint32_t output; | |
537 | uint32_t probability; | |
538 | uint32_t collector_set_id; | |
539 | uint32_t obs_domain_id; | |
540 | uint32_t obs_point_id; | |
7202cbe5 BP |
541 | int vid, pcp; |
542 | int n = -1; | |
543 | ||
c2c28dfd | 544 | if (ovs_scan(s, "userspace(pid=%"SCNi32")%n", &pid, &n)) { |
e995e3df | 545 | odp_put_userspace_action(pid, NULL, 0, actions); |
7202cbe5 | 546 | return n; |
c2c28dfd BP |
547 | } else if (ovs_scan(s, "userspace(pid=%"SCNi32",sFlow(vid=%i," |
548 | "pcp=%i,output=%"SCNi32"))%n", | |
549 | &pid, &vid, &pcp, &output, &n)) { | |
1673e0e4 | 550 | union user_action_cookie cookie; |
7202cbe5 BP |
551 | uint16_t tci; |
552 | ||
553 | tci = vid | (pcp << VLAN_PCP_SHIFT); | |
554 | if (tci) { | |
555 | tci |= VLAN_CFI; | |
556 | } | |
557 | ||
558 | cookie.type = USER_ACTION_COOKIE_SFLOW; | |
1673e0e4 BP |
559 | cookie.sflow.vlan_tci = htons(tci); |
560 | cookie.sflow.output = output; | |
29089a54 RL |
561 | odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow, |
562 | actions); | |
6a7e895f | 563 | return n; |
c2c28dfd BP |
564 | } else if (ovs_scan(s, "userspace(pid=%"SCNi32",slow_path%n", |
565 | &pid, &n)) { | |
6a7e895f | 566 | union user_action_cookie cookie; |
04594cd5 | 567 | int res; |
6a7e895f BP |
568 | |
569 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; | |
570 | cookie.slow_path.unused = 0; | |
04594cd5 | 571 | cookie.slow_path.reason = 0; |
6a7e895f | 572 | |
04594cd5 BP |
573 | res = parse_flags(&s[n], slow_path_reason_to_string, |
574 | &cookie.slow_path.reason); | |
575 | if (res < 0) { | |
576 | return res; | |
577 | } | |
578 | n += res; | |
579 | if (s[n] != ')') { | |
6a7e895f BP |
580 | return -EINVAL; |
581 | } | |
04594cd5 | 582 | n++; |
6a7e895f | 583 | |
29089a54 RL |
584 | odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path, |
585 | actions); | |
586 | return n; | |
c2c28dfd BP |
587 | } else if (ovs_scan(s, "userspace(pid=%"SCNi32"," |
588 | "flow_sample(probability=%"SCNi32"," | |
589 | "collector_set_id=%"SCNi32"," | |
590 | "obs_domain_id=%"SCNi32"," | |
591 | "obs_point_id=%"SCNi32"))%n", | |
592 | &pid, &probability, &collector_set_id, | |
593 | &obs_domain_id, &obs_point_id, &n)) { | |
29089a54 RL |
594 | union user_action_cookie cookie; |
595 | ||
596 | cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE; | |
597 | cookie.flow_sample.probability = probability; | |
598 | cookie.flow_sample.collector_set_id = collector_set_id; | |
599 | cookie.flow_sample.obs_domain_id = obs_domain_id; | |
600 | cookie.flow_sample.obs_point_id = obs_point_id; | |
601 | odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample, | |
602 | actions); | |
7202cbe5 | 603 | return n; |
c2c28dfd | 604 | } else if (ovs_scan(s, "userspace(pid=%"SCNi32",ipfix)%n", &pid, &n)) { |
29089a54 | 605 | union user_action_cookie cookie; |
7202cbe5 | 606 | |
29089a54 RL |
607 | cookie.type = USER_ACTION_COOKIE_IPFIX; |
608 | odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix, | |
e995e3df | 609 | actions); |
7202cbe5 | 610 | return n; |
c2c28dfd BP |
611 | } else if (ovs_scan(s, "userspace(pid=%"SCNi32",userdata(%n", |
612 | &pid, &n)) { | |
e995e3df BP |
613 | struct ofpbuf buf; |
614 | char *end; | |
615 | ||
616 | ofpbuf_init(&buf, 16); | |
617 | end = ofpbuf_put_hex(&buf, &s[n], NULL); | |
618 | if (end[0] == ')' && end[1] == ')') { | |
1f317cb5 | 619 | odp_put_userspace_action(pid, ofpbuf_data(&buf), ofpbuf_size(&buf), actions); |
e995e3df BP |
620 | ofpbuf_uninit(&buf); |
621 | return (end + 2) - s; | |
622 | } | |
7202cbe5 BP |
623 | } |
624 | } | |
625 | ||
626 | if (!strncmp(s, "set(", 4)) { | |
627 | size_t start_ofs; | |
628 | int retval; | |
629 | ||
630 | start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET); | |
e6cc0bab | 631 | retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL); |
7202cbe5 BP |
632 | if (retval < 0) { |
633 | return retval; | |
634 | } | |
635 | if (s[retval + 4] != ')') { | |
636 | return -EINVAL; | |
637 | } | |
638 | nl_msg_end_nested(actions, start_ofs); | |
639 | return retval + 5; | |
640 | } | |
641 | ||
becffb86 BP |
642 | { |
643 | struct ovs_action_push_vlan push; | |
644 | int tpid = ETH_TYPE_VLAN; | |
645 | int vid, pcp; | |
646 | int cfi = 1; | |
647 | int n = -1; | |
7202cbe5 | 648 | |
c2c28dfd BP |
649 | if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) |
650 | || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n", | |
651 | &vid, &pcp, &cfi, &n) | |
652 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n", | |
653 | &tpid, &vid, &pcp, &n) | |
654 | || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n", | |
655 | &tpid, &vid, &pcp, &cfi, &n)) { | |
becffb86 BP |
656 | push.vlan_tpid = htons(tpid); |
657 | push.vlan_tci = htons((vid << VLAN_VID_SHIFT) | |
658 | | (pcp << VLAN_PCP_SHIFT) | |
659 | | (cfi ? VLAN_CFI : 0)); | |
660 | nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN, | |
661 | &push, sizeof push); | |
662 | ||
663 | return n; | |
7202cbe5 | 664 | } |
7202cbe5 BP |
665 | } |
666 | ||
becffb86 BP |
667 | if (!strncmp(s, "pop_vlan", 8)) { |
668 | nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN); | |
669 | return 8; | |
7202cbe5 BP |
670 | } |
671 | ||
672 | { | |
673 | double percentage; | |
674 | int n = -1; | |
675 | ||
c2c28dfd BP |
676 | if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) |
677 | && percentage >= 0. && percentage <= 100.0) { | |
7202cbe5 BP |
678 | size_t sample_ofs, actions_ofs; |
679 | double probability; | |
680 | ||
681 | probability = floor(UINT32_MAX * (percentage / 100.0) + .5); | |
682 | sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE); | |
683 | nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY, | |
684 | (probability <= 0 ? 0 | |
685 | : probability >= UINT32_MAX ? UINT32_MAX | |
686 | : probability)); | |
687 | ||
688 | actions_ofs = nl_msg_start_nested(actions, | |
689 | OVS_SAMPLE_ATTR_ACTIONS); | |
690 | for (;;) { | |
691 | int retval; | |
692 | ||
79d4ffe2 | 693 | n += strspn(s + n, delimiters); |
7202cbe5 BP |
694 | if (s[n] == ')') { |
695 | break; | |
696 | } | |
697 | ||
698 | retval = parse_odp_action(s + n, port_names, actions); | |
699 | if (retval < 0) { | |
700 | return retval; | |
701 | } | |
702 | n += retval; | |
7202cbe5 BP |
703 | } |
704 | nl_msg_end_nested(actions, actions_ofs); | |
705 | nl_msg_end_nested(actions, sample_ofs); | |
706 | ||
707 | return s[n + 1] == ')' ? n + 2 : -EINVAL; | |
708 | } | |
709 | } | |
710 | ||
711 | return -EINVAL; | |
712 | } | |
713 | ||
714 | /* Parses the string representation of datapath actions, in the format output | |
715 | * by format_odp_action(). Returns 0 if successful, otherwise a positive errno | |
716 | * value. On success, the ODP actions are appended to 'actions' as a series of | |
717 | * Netlink attributes. On failure, no data is appended to 'actions'. Either | |
718 | * way, 'actions''s data might be reallocated. */ | |
719 | int | |
44bac24b | 720 | odp_actions_from_string(const char *s, const struct simap *port_names, |
7202cbe5 BP |
721 | struct ofpbuf *actions) |
722 | { | |
723 | size_t old_size; | |
724 | ||
725 | if (!strcasecmp(s, "drop")) { | |
726 | return 0; | |
727 | } | |
728 | ||
1f317cb5 | 729 | old_size = ofpbuf_size(actions); |
7202cbe5 BP |
730 | for (;;) { |
731 | int retval; | |
732 | ||
733 | s += strspn(s, delimiters); | |
734 | if (!*s) { | |
735 | return 0; | |
736 | } | |
737 | ||
738 | retval = parse_odp_action(s, port_names, actions); | |
739 | if (retval < 0 || !strchr(delimiters, s[retval])) { | |
1f317cb5 | 740 | ofpbuf_set_size(actions, old_size); |
7202cbe5 BP |
741 | return -retval; |
742 | } | |
743 | s += retval; | |
744 | } | |
745 | ||
746 | return 0; | |
747 | } | |
14608a15 | 748 | \f |
36956a7d | 749 | /* Returns the correct length of the payload for a flow key attribute of the |
fea393b1 BP |
750 | * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload |
751 | * is variable length. */ | |
36956a7d BP |
752 | static int |
753 | odp_flow_key_attr_len(uint16_t type) | |
754 | { | |
df2c07f4 | 755 | if (type > OVS_KEY_ATTR_MAX) { |
36956a7d BP |
756 | return -1; |
757 | } | |
758 | ||
09ded0ad | 759 | switch ((enum ovs_key_attr) type) { |
fea393b1 | 760 | case OVS_KEY_ATTR_ENCAP: return -2; |
abff858b | 761 | case OVS_KEY_ATTR_PRIORITY: return 4; |
72e8bf28 | 762 | case OVS_KEY_ATTR_SKB_MARK: return 4; |
572f732a AZ |
763 | case OVS_KEY_ATTR_DP_HASH: return 4; |
764 | case OVS_KEY_ATTR_RECIRC_ID: return 4; | |
9b405f1a | 765 | case OVS_KEY_ATTR_TUNNEL: return -2; |
df2c07f4 JP |
766 | case OVS_KEY_ATTR_IN_PORT: return 4; |
767 | case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet); | |
fea393b1 | 768 | case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16); |
df2c07f4 | 769 | case OVS_KEY_ATTR_ETHERTYPE: return 2; |
8bfd0fda | 770 | case OVS_KEY_ATTR_MPLS: return -2; |
df2c07f4 JP |
771 | case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4); |
772 | case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6); | |
773 | case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp); | |
dc235f7f | 774 | case OVS_KEY_ATTR_TCP_FLAGS: return 2; |
df2c07f4 | 775 | case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp); |
c6bcb685 | 776 | case OVS_KEY_ATTR_SCTP: return sizeof(struct ovs_key_sctp); |
df2c07f4 JP |
777 | case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp); |
778 | case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6); | |
779 | case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp); | |
780 | case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd); | |
781 | ||
782 | case OVS_KEY_ATTR_UNSPEC: | |
783 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
784 | return -1; |
785 | } | |
786 | ||
787 | return -1; | |
788 | } | |
789 | ||
36956a7d BP |
790 | static void |
791 | format_generic_odp_key(const struct nlattr *a, struct ds *ds) | |
792 | { | |
793 | size_t len = nl_attr_get_size(a); | |
36956a7d BP |
794 | if (len) { |
795 | const uint8_t *unspec; | |
796 | unsigned int i; | |
797 | ||
798 | unspec = nl_attr_get(a); | |
799 | for (i = 0; i < len; i++) { | |
e6cc0bab AZ |
800 | if (i) { |
801 | ds_put_char(ds, ' '); | |
802 | } | |
36956a7d BP |
803 | ds_put_format(ds, "%02x", unspec[i]); |
804 | } | |
36956a7d BP |
805 | } |
806 | } | |
807 | ||
7257b535 BP |
808 | static const char * |
809 | ovs_frag_type_to_string(enum ovs_frag_type type) | |
810 | { | |
811 | switch (type) { | |
812 | case OVS_FRAG_TYPE_NONE: | |
813 | return "no"; | |
814 | case OVS_FRAG_TYPE_FIRST: | |
815 | return "first"; | |
816 | case OVS_FRAG_TYPE_LATER: | |
817 | return "later"; | |
818 | case __OVS_FRAG_TYPE_MAX: | |
819 | default: | |
820 | return "<error>"; | |
821 | } | |
822 | } | |
823 | ||
9b405f1a PS |
824 | static int |
825 | tunnel_key_attr_len(int type) | |
29c7a2b2 | 826 | { |
9b405f1a PS |
827 | switch (type) { |
828 | case OVS_TUNNEL_KEY_ATTR_ID: return 8; | |
829 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4; | |
830 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4; | |
831 | case OVS_TUNNEL_KEY_ATTR_TOS: return 1; | |
832 | case OVS_TUNNEL_KEY_ATTR_TTL: return 1; | |
833 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0; | |
834 | case OVS_TUNNEL_KEY_ATTR_CSUM: return 0; | |
94872594 | 835 | case OVS_TUNNEL_KEY_ATTR_OAM: return 0; |
9b405f1a PS |
836 | case __OVS_TUNNEL_KEY_ATTR_MAX: |
837 | return -1; | |
29c7a2b2 | 838 | } |
9b405f1a PS |
839 | return -1; |
840 | } | |
841 | ||
617e10e7 SH |
842 | enum odp_key_fitness |
843 | odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun) | |
9b405f1a PS |
844 | { |
845 | unsigned int left; | |
846 | const struct nlattr *a; | |
847 | bool ttl = false; | |
848 | bool unknown = false; | |
849 | ||
850 | NL_NESTED_FOR_EACH(a, left, attr) { | |
851 | uint16_t type = nl_attr_type(a); | |
852 | size_t len = nl_attr_get_size(a); | |
853 | int expected_len = tunnel_key_attr_len(type); | |
854 | ||
855 | if (len != expected_len && expected_len >= 0) { | |
856 | return ODP_FIT_ERROR; | |
857 | } | |
858 | ||
859 | switch (type) { | |
860 | case OVS_TUNNEL_KEY_ATTR_ID: | |
861 | tun->tun_id = nl_attr_get_be64(a); | |
862 | tun->flags |= FLOW_TNL_F_KEY; | |
863 | break; | |
864 | case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: | |
865 | tun->ip_src = nl_attr_get_be32(a); | |
866 | break; | |
867 | case OVS_TUNNEL_KEY_ATTR_IPV4_DST: | |
868 | tun->ip_dst = nl_attr_get_be32(a); | |
869 | break; | |
870 | case OVS_TUNNEL_KEY_ATTR_TOS: | |
871 | tun->ip_tos = nl_attr_get_u8(a); | |
872 | break; | |
873 | case OVS_TUNNEL_KEY_ATTR_TTL: | |
874 | tun->ip_ttl = nl_attr_get_u8(a); | |
875 | ttl = true; | |
876 | break; | |
877 | case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: | |
878 | tun->flags |= FLOW_TNL_F_DONT_FRAGMENT; | |
879 | break; | |
880 | case OVS_TUNNEL_KEY_ATTR_CSUM: | |
881 | tun->flags |= FLOW_TNL_F_CSUM; | |
882 | break; | |
94872594 JG |
883 | case OVS_TUNNEL_KEY_ATTR_OAM: |
884 | tun->flags |= FLOW_TNL_F_OAM; | |
885 | break; | |
9b405f1a PS |
886 | default: |
887 | /* Allow this to show up as unexpected, if there are unknown | |
888 | * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */ | |
889 | unknown = true; | |
890 | break; | |
891 | } | |
892 | } | |
893 | ||
894 | if (!ttl) { | |
895 | return ODP_FIT_ERROR; | |
896 | } | |
897 | if (unknown) { | |
758c456d | 898 | return ODP_FIT_TOO_MUCH; |
9b405f1a PS |
899 | } |
900 | return ODP_FIT_PERFECT; | |
901 | } | |
902 | ||
903 | static void | |
904 | tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key) | |
905 | { | |
906 | size_t tun_key_ofs; | |
907 | ||
908 | tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL); | |
909 | ||
27a8cbbc BP |
910 | /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */ |
911 | if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) { | |
9b405f1a PS |
912 | nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id); |
913 | } | |
914 | if (tun_key->ip_src) { | |
915 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src); | |
916 | } | |
917 | if (tun_key->ip_dst) { | |
918 | nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst); | |
919 | } | |
920 | if (tun_key->ip_tos) { | |
921 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos); | |
922 | } | |
923 | nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl); | |
924 | if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) { | |
925 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT); | |
926 | } | |
927 | if (tun_key->flags & FLOW_TNL_F_CSUM) { | |
928 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM); | |
929 | } | |
94872594 JG |
930 | if (tun_key->flags & FLOW_TNL_F_OAM) { |
931 | nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_OAM); | |
932 | } | |
9b405f1a PS |
933 | |
934 | nl_msg_end_nested(a, tun_key_ofs); | |
29c7a2b2 PS |
935 | } |
936 | ||
041e7168 AZ |
937 | static bool |
938 | odp_mask_attr_is_wildcard(const struct nlattr *ma) | |
939 | { | |
940 | return is_all_zeros(nl_attr_get(ma), nl_attr_get_size(ma)); | |
941 | } | |
942 | ||
e6cc0bab AZ |
943 | static bool |
944 | odp_mask_attr_is_exact(const struct nlattr *ma) | |
945 | { | |
946 | bool is_exact = false; | |
947 | enum ovs_key_attr attr = nl_attr_type(ma); | |
948 | ||
949 | if (attr == OVS_KEY_ATTR_TUNNEL) { | |
950 | /* XXX this is a hack for now. Should change | |
951 | * the exact match dection to per field | |
952 | * instead of per attribute. | |
953 | */ | |
954 | struct flow_tnl tun_mask; | |
955 | memset(&tun_mask, 0, sizeof tun_mask); | |
956 | odp_tun_key_from_attr(ma, &tun_mask); | |
957 | if (tun_mask.flags == (FLOW_TNL_F_KEY | |
958 | | FLOW_TNL_F_DONT_FRAGMENT | |
94872594 JG |
959 | | FLOW_TNL_F_CSUM |
960 | | FLOW_TNL_F_OAM)) { | |
e6cc0bab AZ |
961 | /* The flags are exact match, check the remaining fields. */ |
962 | tun_mask.flags = 0xffff; | |
963 | is_exact = is_all_ones((uint8_t *)&tun_mask, | |
964 | offsetof(struct flow_tnl, ip_ttl)); | |
965 | } | |
966 | } else { | |
967 | is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma)); | |
968 | } | |
969 | ||
970 | return is_exact; | |
971 | } | |
972 | ||
0a37839c GS |
973 | void |
974 | odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no, | |
975 | char *port_name) | |
976 | { | |
977 | struct odp_portno_names *odp_portno_names; | |
978 | ||
979 | odp_portno_names = xmalloc(sizeof *odp_portno_names); | |
980 | odp_portno_names->port_no = port_no; | |
981 | odp_portno_names->name = xstrdup(port_name); | |
982 | hmap_insert(portno_names, &odp_portno_names->hmap_node, | |
983 | hash_odp_port(port_no)); | |
984 | } | |
985 | ||
986 | static char * | |
987 | odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no) | |
988 | { | |
989 | struct odp_portno_names *odp_portno_names; | |
990 | ||
991 | HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node, | |
992 | hash_odp_port(port_no), portno_names) { | |
993 | if (odp_portno_names->port_no == port_no) { | |
994 | return odp_portno_names->name; | |
995 | } | |
996 | } | |
997 | return NULL; | |
998 | } | |
999 | ||
1000 | void | |
1001 | odp_portno_names_destroy(struct hmap *portno_names) | |
1002 | { | |
1003 | struct odp_portno_names *odp_portno_names, *odp_portno_names_next; | |
1004 | HMAP_FOR_EACH_SAFE (odp_portno_names, odp_portno_names_next, | |
1005 | hmap_node, portno_names) { | |
1006 | hmap_remove(portno_names, &odp_portno_names->hmap_node); | |
1007 | free(odp_portno_names->name); | |
1008 | free(odp_portno_names); | |
1009 | } | |
1010 | } | |
e6cc0bab | 1011 | |
36956a7d | 1012 | static void |
e6cc0bab | 1013 | format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma, |
0a37839c GS |
1014 | const struct hmap *portno_names, struct ds *ds, |
1015 | bool verbose) | |
36956a7d | 1016 | { |
9b405f1a | 1017 | struct flow_tnl tun_key; |
7a8e9ed2 | 1018 | enum ovs_key_attr attr = nl_attr_type(a); |
e6603631 | 1019 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
fea393b1 | 1020 | int expected_len; |
dc8c5408 | 1021 | bool is_exact; |
36956a7d | 1022 | |
dc8c5408 | 1023 | is_exact = ma ? odp_mask_attr_is_exact(ma) : true; |
e6cc0bab | 1024 | |
e6603631 | 1025 | ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf)); |
e6cc0bab AZ |
1026 | |
1027 | { | |
1028 | expected_len = odp_flow_key_attr_len(nl_attr_type(a)); | |
1029 | if (expected_len != -2) { | |
1030 | bool bad_key_len = nl_attr_get_size(a) != expected_len; | |
54695350 | 1031 | bool bad_mask_len = ma && nl_attr_get_size(ma) != expected_len; |
e6cc0bab AZ |
1032 | |
1033 | if (bad_key_len || bad_mask_len) { | |
1034 | if (bad_key_len) { | |
34582733 | 1035 | ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(", |
54695350 | 1036 | nl_attr_get_size(a), expected_len); |
e6cc0bab AZ |
1037 | } |
1038 | format_generic_odp_key(a, ds); | |
54695350 | 1039 | if (ma) { |
e6cc0bab | 1040 | ds_put_char(ds, '/'); |
54695350 JR |
1041 | if (bad_mask_len) { |
1042 | ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(", | |
1043 | nl_attr_get_size(ma), expected_len); | |
1044 | } | |
1045 | format_generic_odp_key(ma, ds); | |
e6cc0bab | 1046 | } |
e6cc0bab AZ |
1047 | ds_put_char(ds, ')'); |
1048 | return; | |
1049 | } | |
1050 | } | |
36956a7d BP |
1051 | } |
1052 | ||
e6cc0bab | 1053 | ds_put_char(ds, '('); |
7a8e9ed2 | 1054 | switch (attr) { |
fea393b1 | 1055 | case OVS_KEY_ATTR_ENCAP: |
e6cc0bab AZ |
1056 | if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) { |
1057 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), | |
0a37839c | 1058 | nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds, |
041e7168 | 1059 | verbose); |
0a37839c GS |
1060 | } else if (nl_attr_get_size(a)) { |
1061 | odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL, | |
1062 | ds, verbose); | |
fea393b1 | 1063 | } |
fea393b1 BP |
1064 | break; |
1065 | ||
abff858b | 1066 | case OVS_KEY_ATTR_PRIORITY: |
72e8bf28 | 1067 | case OVS_KEY_ATTR_SKB_MARK: |
572f732a AZ |
1068 | case OVS_KEY_ATTR_DP_HASH: |
1069 | case OVS_KEY_ATTR_RECIRC_ID: | |
e6cc0bab | 1070 | ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a)); |
dc8c5408 | 1071 | if (!is_exact) { |
e6cc0bab AZ |
1072 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); |
1073 | } | |
72e8bf28 AA |
1074 | break; |
1075 | ||
9b405f1a PS |
1076 | case OVS_KEY_ATTR_TUNNEL: |
1077 | memset(&tun_key, 0, sizeof tun_key); | |
617e10e7 | 1078 | if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) { |
e6cc0bab | 1079 | ds_put_format(ds, "error"); |
dc8c5408 | 1080 | } else if (!is_exact) { |
e6cc0bab AZ |
1081 | struct flow_tnl tun_mask; |
1082 | ||
1083 | memset(&tun_mask, 0, sizeof tun_mask); | |
1084 | odp_tun_key_from_attr(ma, &tun_mask); | |
1085 | ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64 | |
1086 | ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT | |
1087 | ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8 | |
1088 | ",flags(", | |
1089 | ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id), | |
1090 | IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src), | |
1091 | IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst), | |
1092 | tun_key.ip_tos, tun_mask.ip_tos, | |
1093 | tun_key.ip_ttl, tun_mask.ip_ttl); | |
1094 | ||
1095 | format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ','); | |
1096 | ||
1097 | /* XXX This code is correct, but enabling it would break the unit | |
1098 | test. Disable it for now until the input parser is fixed. | |
1099 | ||
1100 | ds_put_char(ds, '/'); | |
1101 | format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ','); | |
1102 | */ | |
1103 | ds_put_char(ds, ')'); | |
9b405f1a | 1104 | } else { |
e6cc0bab | 1105 | ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT"," |
9b405f1a PS |
1106 | "tos=0x%"PRIx8",ttl=%"PRIu8",flags(", |
1107 | ntohll(tun_key.tun_id), | |
1108 | IP_ARGS(tun_key.ip_src), | |
1109 | IP_ARGS(tun_key.ip_dst), | |
1110 | tun_key.ip_tos, tun_key.ip_ttl); | |
1111 | ||
e6cc0bab AZ |
1112 | format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ','); |
1113 | ds_put_char(ds, ')'); | |
9b405f1a | 1114 | } |
356af50b KM |
1115 | break; |
1116 | ||
df2c07f4 | 1117 | case OVS_KEY_ATTR_IN_PORT: |
0a37839c GS |
1118 | if (portno_names && verbose && is_exact) { |
1119 | char *name = odp_portno_names_get(portno_names, | |
1120 | u32_to_odp(nl_attr_get_u32(a))); | |
1121 | if (name) { | |
1122 | ds_put_format(ds, "%s", name); | |
1123 | } else { | |
1124 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); | |
1125 | } | |
1126 | } else { | |
1127 | ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a)); | |
1128 | if (!is_exact) { | |
1129 | ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma)); | |
1130 | } | |
e6cc0bab | 1131 | } |
36956a7d BP |
1132 | break; |
1133 | ||
df2c07f4 | 1134 | case OVS_KEY_ATTR_ETHERNET: |
dc8c5408 | 1135 | if (!is_exact) { |
e6cc0bab AZ |
1136 | const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma); |
1137 | const struct ovs_key_ethernet *eth_key = nl_attr_get(a); | |
1138 | ||
1139 | ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT | |
1140 | ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT, | |
1141 | ETH_ADDR_ARGS(eth_key->eth_src), | |
1142 | ETH_ADDR_ARGS(eth_mask->eth_src), | |
1143 | ETH_ADDR_ARGS(eth_key->eth_dst), | |
1144 | ETH_ADDR_ARGS(eth_mask->eth_dst)); | |
1145 | } else { | |
1146 | const struct ovs_key_ethernet *eth_key = nl_attr_get(a); | |
1147 | ||
1148 | ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT, | |
1149 | ETH_ADDR_ARGS(eth_key->eth_src), | |
1150 | ETH_ADDR_ARGS(eth_key->eth_dst)); | |
1151 | } | |
36956a7d BP |
1152 | break; |
1153 | ||
fea393b1 | 1154 | case OVS_KEY_ATTR_VLAN: |
e6cc0bab AZ |
1155 | { |
1156 | ovs_be16 vlan_tci = nl_attr_get_be16(a); | |
dc8c5408 | 1157 | if (!is_exact) { |
e6cc0bab | 1158 | ovs_be16 mask = nl_attr_get_be16(ma); |
2d39507c | 1159 | ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d", |
e6cc0bab AZ |
1160 | vlan_tci_to_vid(vlan_tci), |
1161 | vlan_tci_to_vid(mask), | |
1162 | vlan_tci_to_pcp(vlan_tci), | |
b06b6a39 | 1163 | vlan_tci_to_pcp(mask), |
e6cc0bab AZ |
1164 | vlan_tci_to_cfi(vlan_tci), |
1165 | vlan_tci_to_cfi(mask)); | |
1166 | } else { | |
1167 | format_vlan_tci(ds, vlan_tci); | |
1168 | } | |
1169 | } | |
36956a7d BP |
1170 | break; |
1171 | ||
b02475c5 SH |
1172 | case OVS_KEY_ATTR_MPLS: { |
1173 | const struct ovs_key_mpls *mpls_key = nl_attr_get(a); | |
e6cc0bab | 1174 | const struct ovs_key_mpls *mpls_mask = NULL; |
8bfd0fda BP |
1175 | size_t size = nl_attr_get_size(a); |
1176 | ||
1177 | if (!size || size % sizeof *mpls_key) { | |
1178 | ds_put_format(ds, "(bad key length %"PRIuSIZE")", | |
1179 | nl_attr_get_size(a)); | |
1180 | return; | |
1181 | } | |
dc8c5408 | 1182 | if (!is_exact) { |
e6cc0bab | 1183 | mpls_mask = nl_attr_get(ma); |
8bfd0fda BP |
1184 | if (nl_attr_get_size(a) != nl_attr_get_size(ma)) { |
1185 | ds_put_format(ds, "(key length %"PRIuSIZE" != " | |
1186 | "mask length %"PRIuSIZE")", | |
1187 | nl_attr_get_size(a), nl_attr_get_size(ma)); | |
1188 | return; | |
1189 | } | |
e6cc0bab | 1190 | } |
8bfd0fda | 1191 | format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key); |
b02475c5 SH |
1192 | break; |
1193 | } | |
1194 | ||
df2c07f4 | 1195 | case OVS_KEY_ATTR_ETHERTYPE: |
e6cc0bab | 1196 | ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a))); |
dc8c5408 | 1197 | if (!is_exact) { |
e6cc0bab AZ |
1198 | ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma))); |
1199 | } | |
36956a7d BP |
1200 | break; |
1201 | ||
df2c07f4 | 1202 | case OVS_KEY_ATTR_IPV4: |
dc8c5408 | 1203 | if (!is_exact) { |
e6cc0bab AZ |
1204 | const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a); |
1205 | const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma); | |
1206 | ||
1207 | ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT | |
1208 | ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8 | |
1209 | ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8, | |
1210 | IP_ARGS(ipv4_key->ipv4_src), | |
1211 | IP_ARGS(ipv4_mask->ipv4_src), | |
1212 | IP_ARGS(ipv4_key->ipv4_dst), | |
1213 | IP_ARGS(ipv4_mask->ipv4_dst), | |
1214 | ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto, | |
1215 | ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos, | |
1216 | ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl, | |
1217 | ovs_frag_type_to_string(ipv4_key->ipv4_frag), | |
1218 | ipv4_mask->ipv4_frag); | |
1219 | } else { | |
1220 | const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a); | |
1221 | ||
1222 | ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8 | |
1223 | ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s", | |
1224 | IP_ARGS(ipv4_key->ipv4_src), | |
1225 | IP_ARGS(ipv4_key->ipv4_dst), | |
1226 | ipv4_key->ipv4_proto, ipv4_key->ipv4_tos, | |
1227 | ipv4_key->ipv4_ttl, | |
1228 | ovs_frag_type_to_string(ipv4_key->ipv4_frag)); | |
1229 | } | |
36956a7d BP |
1230 | break; |
1231 | ||
e6cc0bab | 1232 | case OVS_KEY_ATTR_IPV6: |
dc8c5408 | 1233 | if (!is_exact) { |
e6cc0bab AZ |
1234 | const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask; |
1235 | char src_str[INET6_ADDRSTRLEN]; | |
1236 | char dst_str[INET6_ADDRSTRLEN]; | |
1237 | char src_mask[INET6_ADDRSTRLEN]; | |
1238 | char dst_mask[INET6_ADDRSTRLEN]; | |
1239 | ||
1240 | ipv6_key = nl_attr_get(a); | |
1241 | inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str); | |
1242 | inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str); | |
1243 | ||
1244 | ipv6_mask = nl_attr_get(ma); | |
1245 | inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask); | |
1246 | inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask); | |
1247 | ||
1248 | ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32 | |
1249 | ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8 | |
1250 | ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8, | |
1251 | src_str, src_mask, dst_str, dst_mask, | |
1252 | ntohl(ipv6_key->ipv6_label), | |
1253 | ntohl(ipv6_mask->ipv6_label), | |
1254 | ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto, | |
1255 | ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass, | |
1256 | ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit, | |
1257 | ovs_frag_type_to_string(ipv6_key->ipv6_frag), | |
1258 | ipv6_mask->ipv6_frag); | |
1259 | } else { | |
1260 | const struct ovs_key_ipv6 *ipv6_key; | |
1261 | char src_str[INET6_ADDRSTRLEN]; | |
1262 | char dst_str[INET6_ADDRSTRLEN]; | |
1263 | ||
1264 | ipv6_key = nl_attr_get(a); | |
1265 | inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str); | |
1266 | inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str); | |
1267 | ||
1268 | ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8 | |
1269 | ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s", | |
1270 | src_str, dst_str, ntohl(ipv6_key->ipv6_label), | |
1271 | ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass, | |
1272 | ipv6_key->ipv6_hlimit, | |
1273 | ovs_frag_type_to_string(ipv6_key->ipv6_frag)); | |
1274 | } | |
d31f1109 | 1275 | break; |
d31f1109 | 1276 | |
df2c07f4 | 1277 | case OVS_KEY_ATTR_TCP: |
dc8c5408 | 1278 | if (!is_exact) { |
e6cc0bab AZ |
1279 | const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma); |
1280 | const struct ovs_key_tcp *tcp_key = nl_attr_get(a); | |
1281 | ||
1282 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1283 | ",dst=%"PRIu16"/%#"PRIx16, | |
1284 | ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src), | |
1285 | ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst)); | |
1286 | } else { | |
1287 | const struct ovs_key_tcp *tcp_key = nl_attr_get(a); | |
1288 | ||
1289 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, | |
1290 | ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst)); | |
1291 | } | |
36956a7d BP |
1292 | break; |
1293 | ||
dc235f7f JR |
1294 | case OVS_KEY_ATTR_TCP_FLAGS: |
1295 | ds_put_format(ds, "0x%03"PRIx16, ntohs(nl_attr_get_be16(a))); | |
1296 | if (!is_exact) { | |
1297 | ds_put_format(ds, "/0x%03"PRIx16, ntohs(nl_attr_get_be16(ma))); | |
1298 | } | |
1299 | break; | |
1300 | ||
df2c07f4 | 1301 | case OVS_KEY_ATTR_UDP: |
dc8c5408 | 1302 | if (!is_exact) { |
e6cc0bab AZ |
1303 | const struct ovs_key_udp *udp_mask = nl_attr_get(ma); |
1304 | const struct ovs_key_udp *udp_key = nl_attr_get(a); | |
1305 | ||
1306 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1307 | ",dst=%"PRIu16"/%#"PRIx16, | |
1308 | ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src), | |
1309 | ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst)); | |
1310 | } else { | |
1311 | const struct ovs_key_udp *udp_key = nl_attr_get(a); | |
1312 | ||
1313 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, | |
1314 | ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst)); | |
1315 | } | |
36956a7d BP |
1316 | break; |
1317 | ||
c6bcb685 JS |
1318 | case OVS_KEY_ATTR_SCTP: |
1319 | if (ma) { | |
1320 | const struct ovs_key_sctp *sctp_mask = nl_attr_get(ma); | |
1321 | const struct ovs_key_sctp *sctp_key = nl_attr_get(a); | |
1322 | ||
1323 | ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16 | |
1324 | ",dst=%"PRIu16"/%#"PRIx16, | |
1325 | ntohs(sctp_key->sctp_src), ntohs(sctp_mask->sctp_src), | |
1326 | ntohs(sctp_key->sctp_dst), ntohs(sctp_mask->sctp_dst)); | |
1327 | } else { | |
1328 | const struct ovs_key_sctp *sctp_key = nl_attr_get(a); | |
1329 | ||
61abba80 | 1330 | ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16, |
c6bcb685 JS |
1331 | ntohs(sctp_key->sctp_src), ntohs(sctp_key->sctp_dst)); |
1332 | } | |
1333 | break; | |
1334 | ||
df2c07f4 | 1335 | case OVS_KEY_ATTR_ICMP: |
dc8c5408 | 1336 | if (!is_exact) { |
e6cc0bab AZ |
1337 | const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma); |
1338 | const struct ovs_key_icmp *icmp_key = nl_attr_get(a); | |
1339 | ||
1340 | ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8, | |
1341 | icmp_key->icmp_type, icmp_mask->icmp_type, | |
1342 | icmp_key->icmp_code, icmp_mask->icmp_code); | |
1343 | } else { | |
1344 | const struct ovs_key_icmp *icmp_key = nl_attr_get(a); | |
1345 | ||
1346 | ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8, | |
1347 | icmp_key->icmp_type, icmp_key->icmp_code); | |
1348 | } | |
36956a7d BP |
1349 | break; |
1350 | ||
df2c07f4 | 1351 | case OVS_KEY_ATTR_ICMPV6: |
dc8c5408 | 1352 | if (!is_exact) { |
e6cc0bab AZ |
1353 | const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma); |
1354 | const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a); | |
1355 | ||
1356 | ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8, | |
1357 | icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type, | |
1358 | icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code); | |
1359 | } else { | |
1360 | const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a); | |
1361 | ||
1362 | ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8, | |
1363 | icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code); | |
1364 | } | |
d31f1109 JP |
1365 | break; |
1366 | ||
df2c07f4 | 1367 | case OVS_KEY_ATTR_ARP: |
dc8c5408 | 1368 | if (!is_exact) { |
e6cc0bab AZ |
1369 | const struct ovs_key_arp *arp_mask = nl_attr_get(ma); |
1370 | const struct ovs_key_arp *arp_key = nl_attr_get(a); | |
1371 | ||
1372 | ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT | |
1373 | ",op=%"PRIu16"/%#"PRIx16 | |
1374 | ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT | |
1375 | ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT, | |
1376 | IP_ARGS(arp_key->arp_sip), | |
1377 | IP_ARGS(arp_mask->arp_sip), | |
1378 | IP_ARGS(arp_key->arp_tip), | |
1379 | IP_ARGS(arp_mask->arp_tip), | |
1380 | ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op), | |
1381 | ETH_ADDR_ARGS(arp_key->arp_sha), | |
1382 | ETH_ADDR_ARGS(arp_mask->arp_sha), | |
1383 | ETH_ADDR_ARGS(arp_key->arp_tha), | |
1384 | ETH_ADDR_ARGS(arp_mask->arp_tha)); | |
1385 | } else { | |
1386 | const struct ovs_key_arp *arp_key = nl_attr_get(a); | |
1387 | ||
1388 | ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16"," | |
1389 | "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT, | |
1390 | IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip), | |
1391 | ntohs(arp_key->arp_op), | |
1392 | ETH_ADDR_ARGS(arp_key->arp_sha), | |
1393 | ETH_ADDR_ARGS(arp_key->arp_tha)); | |
1394 | } | |
36956a7d BP |
1395 | break; |
1396 | ||
df2c07f4 | 1397 | case OVS_KEY_ATTR_ND: { |
dc8c5408 | 1398 | const struct ovs_key_nd *nd_key, *nd_mask = NULL; |
685a51a5 JP |
1399 | char target[INET6_ADDRSTRLEN]; |
1400 | ||
1401 | nd_key = nl_attr_get(a); | |
dc8c5408 AZ |
1402 | if (!is_exact) { |
1403 | nd_mask = nl_attr_get(ma); | |
1404 | } | |
e6cc0bab | 1405 | |
685a51a5 | 1406 | inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target); |
e6cc0bab | 1407 | ds_put_format(ds, "target=%s", target); |
dc8c5408 | 1408 | if (!is_exact) { |
e6cc0bab AZ |
1409 | inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target); |
1410 | ds_put_format(ds, "/%s", target); | |
1411 | } | |
685a51a5 | 1412 | |
685a51a5 JP |
1413 | if (!eth_addr_is_zero(nd_key->nd_sll)) { |
1414 | ds_put_format(ds, ",sll="ETH_ADDR_FMT, | |
1415 | ETH_ADDR_ARGS(nd_key->nd_sll)); | |
dc8c5408 | 1416 | if (!is_exact) { |
e6cc0bab AZ |
1417 | ds_put_format(ds, "/"ETH_ADDR_FMT, |
1418 | ETH_ADDR_ARGS(nd_mask->nd_sll)); | |
1419 | } | |
685a51a5 JP |
1420 | } |
1421 | if (!eth_addr_is_zero(nd_key->nd_tll)) { | |
1422 | ds_put_format(ds, ",tll="ETH_ADDR_FMT, | |
1423 | ETH_ADDR_ARGS(nd_key->nd_tll)); | |
dc8c5408 | 1424 | if (!is_exact) { |
e6cc0bab AZ |
1425 | ds_put_format(ds, "/"ETH_ADDR_FMT, |
1426 | ETH_ADDR_ARGS(nd_mask->nd_tll)); | |
1427 | } | |
685a51a5 | 1428 | } |
685a51a5 JP |
1429 | break; |
1430 | } | |
7a8e9ed2 BP |
1431 | case OVS_KEY_ATTR_UNSPEC: |
1432 | case __OVS_KEY_ATTR_MAX: | |
36956a7d BP |
1433 | default: |
1434 | format_generic_odp_key(a, ds); | |
dc8c5408 | 1435 | if (!is_exact) { |
e6cc0bab AZ |
1436 | ds_put_char(ds, '/'); |
1437 | format_generic_odp_key(ma, ds); | |
1438 | } | |
36956a7d BP |
1439 | break; |
1440 | } | |
e6cc0bab | 1441 | ds_put_char(ds, ')'); |
36956a7d BP |
1442 | } |
1443 | ||
dc8c5408 AZ |
1444 | static struct nlattr * |
1445 | generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key) | |
1446 | { | |
1447 | const struct nlattr *a; | |
1448 | unsigned int left; | |
1449 | int type = nl_attr_type(key); | |
1450 | int size = nl_attr_get_size(key); | |
1451 | ||
1452 | if (odp_flow_key_attr_len(type) >=0) { | |
9ddf12cc | 1453 | nl_msg_put_unspec_zero(ofp, type, size); |
dc8c5408 AZ |
1454 | } else { |
1455 | size_t nested_mask; | |
1456 | ||
1457 | nested_mask = nl_msg_start_nested(ofp, type); | |
1458 | NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) { | |
1459 | generate_all_wildcard_mask(ofp, nl_attr_get(a)); | |
1460 | } | |
1461 | nl_msg_end_nested(ofp, nested_mask); | |
1462 | } | |
1463 | ||
1f317cb5 | 1464 | return ofpbuf_base(ofp); |
dc8c5408 AZ |
1465 | } |
1466 | ||
36956a7d | 1467 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
e6cc0bab | 1468 | * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the |
73580638 GS |
1469 | * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is |
1470 | * non-null and 'verbose' is true, translates odp port number to its name. */ | |
14608a15 | 1471 | void |
e6cc0bab AZ |
1472 | odp_flow_format(const struct nlattr *key, size_t key_len, |
1473 | const struct nlattr *mask, size_t mask_len, | |
0a37839c | 1474 | const struct hmap *portno_names, struct ds *ds, bool verbose) |
14608a15 | 1475 | { |
36956a7d BP |
1476 | if (key_len) { |
1477 | const struct nlattr *a; | |
1478 | unsigned int left; | |
e6cc0bab AZ |
1479 | bool has_ethtype_key = false; |
1480 | const struct nlattr *ma = NULL; | |
dc8c5408 | 1481 | struct ofpbuf ofp; |
041e7168 | 1482 | bool first_field = true; |
36956a7d | 1483 | |
dc8c5408 | 1484 | ofpbuf_init(&ofp, 100); |
36956a7d | 1485 | NL_ATTR_FOR_EACH (a, left, key, key_len) { |
041e7168 AZ |
1486 | bool is_nested_attr; |
1487 | bool is_wildcard = false; | |
1488 | int attr_type = nl_attr_type(a); | |
1489 | ||
1490 | if (attr_type == OVS_KEY_ATTR_ETHERTYPE) { | |
e6cc0bab AZ |
1491 | has_ethtype_key = true; |
1492 | } | |
041e7168 AZ |
1493 | |
1494 | is_nested_attr = (odp_flow_key_attr_len(attr_type) == -2); | |
1495 | ||
e6cc0bab AZ |
1496 | if (mask && mask_len) { |
1497 | ma = nl_attr_find__(mask, mask_len, nl_attr_type(a)); | |
041e7168 AZ |
1498 | is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true; |
1499 | } | |
1500 | ||
1501 | if (verbose || !is_wildcard || is_nested_attr) { | |
1502 | if (is_wildcard && !ma) { | |
dc8c5408 AZ |
1503 | ma = generate_all_wildcard_mask(&ofp, a); |
1504 | } | |
041e7168 AZ |
1505 | if (!first_field) { |
1506 | ds_put_char(ds, ','); | |
1507 | } | |
0a37839c | 1508 | format_odp_key_attr(a, ma, portno_names, ds, verbose); |
041e7168 | 1509 | first_field = false; |
e6cc0bab | 1510 | } |
dc8c5408 | 1511 | ofpbuf_clear(&ofp); |
36956a7d | 1512 | } |
dc8c5408 AZ |
1513 | ofpbuf_uninit(&ofp); |
1514 | ||
36956a7d | 1515 | if (left) { |
3a8cfc50 | 1516 | int i; |
1394054e | 1517 | |
36956a7d BP |
1518 | if (left == key_len) { |
1519 | ds_put_cstr(ds, "<empty>"); | |
1520 | } | |
3a8cfc50 BP |
1521 | ds_put_format(ds, ",***%u leftover bytes*** (", left); |
1522 | for (i = 0; i < left; i++) { | |
1523 | ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]); | |
1524 | } | |
1525 | ds_put_char(ds, ')'); | |
36956a7d | 1526 | } |
e6cc0bab AZ |
1527 | if (!has_ethtype_key) { |
1528 | ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE); | |
1529 | if (ma) { | |
1530 | ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")", | |
1531 | ntohs(nl_attr_get_be16(ma))); | |
1532 | } | |
1533 | } | |
36956a7d BP |
1534 | } else { |
1535 | ds_put_cstr(ds, "<empty>"); | |
1536 | } | |
14608a15 | 1537 | } |
064af421 | 1538 | |
e6cc0bab AZ |
1539 | /* Appends to 'ds' a string representation of the 'key_len' bytes of |
1540 | * OVS_KEY_ATTR_* attributes in 'key'. */ | |
1541 | void | |
1542 | odp_flow_key_format(const struct nlattr *key, | |
1543 | size_t key_len, struct ds *ds) | |
1544 | { | |
0a37839c | 1545 | odp_flow_format(key, key_len, NULL, 0, NULL, ds, true); |
e6cc0bab AZ |
1546 | } |
1547 | ||
dc8c5408 AZ |
1548 | static void |
1549 | put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll, | |
1550 | const uint8_t *nd_tll, struct ofpbuf *key) | |
1551 | { | |
1552 | if (nd_sll) { | |
1553 | memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN); | |
1554 | } | |
1555 | ||
1556 | if (nd_tll) { | |
1557 | memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN); | |
1558 | } | |
1559 | ||
1560 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key); | |
1561 | } | |
1562 | ||
3bffc610 | 1563 | static int |
dc8c5408 AZ |
1564 | put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll, |
1565 | const uint8_t *nd_tll, struct ofpbuf *key) | |
3bffc610 | 1566 | { |
df2c07f4 | 1567 | struct ovs_key_nd nd_key; |
3bffc610 BP |
1568 | |
1569 | memset(&nd_key, 0, sizeof nd_key); | |
dc8c5408 | 1570 | |
3bffc610 BP |
1571 | if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) { |
1572 | return -EINVAL; | |
1573 | } | |
dc8c5408 AZ |
1574 | |
1575 | put_nd(&nd_key, nd_sll, nd_tll, key); | |
1576 | return n; | |
1577 | } | |
1578 | ||
1579 | static int | |
1580 | put_nd_mask(int n, const char *nd_target_s, | |
1581 | const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask) | |
1582 | { | |
1583 | struct ovs_key_nd nd_mask; | |
1584 | ||
1585 | memset(&nd_mask, 0xff, sizeof nd_mask); | |
1586 | ||
1587 | if (strlen(nd_target_s) != 0 && | |
1588 | inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) { | |
1589 | return -EINVAL; | |
3bffc610 | 1590 | } |
dc8c5408 AZ |
1591 | |
1592 | put_nd(&nd_mask, nd_sll, nd_tll, mask); | |
3bffc610 BP |
1593 | return n; |
1594 | } | |
1595 | ||
7257b535 BP |
1596 | static bool |
1597 | ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type) | |
1598 | { | |
1599 | if (!strcasecmp(s, "no")) { | |
1600 | *type = OVS_FRAG_TYPE_NONE; | |
1601 | } else if (!strcasecmp(s, "first")) { | |
1602 | *type = OVS_FRAG_TYPE_FIRST; | |
1603 | } else if (!strcasecmp(s, "later")) { | |
1604 | *type = OVS_FRAG_TYPE_LATER; | |
1605 | } else { | |
1606 | return false; | |
1607 | } | |
1608 | return true; | |
1609 | } | |
1610 | ||
b02475c5 SH |
1611 | static ovs_be32 |
1612 | mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos) | |
1613 | { | |
1614 | return (htonl((mpls_label << MPLS_LABEL_SHIFT) | | |
1615 | (mpls_tc << MPLS_TC_SHIFT) | | |
1616 | (mpls_ttl << MPLS_TTL_SHIFT) | | |
1617 | (mpls_bos << MPLS_BOS_SHIFT))); | |
1618 | } | |
1619 | ||
3bffc610 | 1620 | static int |
e6cc0bab AZ |
1621 | parse_odp_key_mask_attr(const char *s, const struct simap *port_names, |
1622 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 | 1623 | { |
abff858b | 1624 | { |
c2c28dfd BP |
1625 | uint32_t priority; |
1626 | uint32_t priority_mask; | |
abff858b PS |
1627 | int n = -1; |
1628 | ||
c2c28dfd BP |
1629 | if (mask && ovs_scan(s, "skb_priority(%"SCNi32"/%"SCNi32")%n", |
1630 | &priority, &priority_mask, &n)) { | |
e6cc0bab AZ |
1631 | nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority); |
1632 | nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask); | |
1633 | return n; | |
c2c28dfd | 1634 | } else if (ovs_scan(s, "skb_priority(%"SCNi32")%n", &priority, &n)) { |
abff858b | 1635 | nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority); |
e6cc0bab AZ |
1636 | if (mask) { |
1637 | nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX); | |
1638 | } | |
abff858b PS |
1639 | return n; |
1640 | } | |
1641 | } | |
1642 | ||
72e8bf28 | 1643 | { |
c2c28dfd BP |
1644 | uint32_t mark; |
1645 | uint32_t mark_mask; | |
72e8bf28 AA |
1646 | int n = -1; |
1647 | ||
c2c28dfd BP |
1648 | if (mask && ovs_scan(s, "skb_mark(%"SCNi32"/%"SCNi32")%n", &mark, |
1649 | &mark_mask, &n)) { | |
e6cc0bab AZ |
1650 | nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark); |
1651 | nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask); | |
1652 | return n; | |
c2c28dfd | 1653 | } else if (ovs_scan(s, "skb_mark(%"SCNi32")%n", &mark, &n)) { |
72e8bf28 | 1654 | nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark); |
e6cc0bab AZ |
1655 | if (mask) { |
1656 | nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX); | |
1657 | } | |
72e8bf28 AA |
1658 | return n; |
1659 | } | |
1660 | } | |
1661 | ||
572f732a AZ |
1662 | { |
1663 | uint32_t recirc_id; | |
1664 | int n = -1; | |
1665 | ||
1666 | if (ovs_scan(s, "recirc_id(%"SCNi32")%n", &recirc_id, &n)) { | |
1667 | nl_msg_put_u32(key, OVS_KEY_ATTR_RECIRC_ID, recirc_id); | |
1668 | nl_msg_put_u32(mask, OVS_KEY_ATTR_RECIRC_ID, UINT32_MAX); | |
1669 | return n; | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | { | |
1674 | uint32_t dp_hash; | |
1675 | uint32_t dp_hash_mask; | |
1676 | int n = -1; | |
1677 | ||
1678 | if (mask && ovs_scan(s, "dp_hash(%"SCNi32"/%"SCNi32")%n", &dp_hash, | |
1679 | &dp_hash_mask, &n)) { | |
1680 | nl_msg_put_u32(key, OVS_KEY_ATTR_DP_HASH, dp_hash); | |
1681 | nl_msg_put_u32(mask, OVS_KEY_ATTR_DP_HASH, dp_hash_mask); | |
1682 | return n; | |
1683 | } else if (ovs_scan(s, "dp_hash(%"SCNi32")%n", &dp_hash, &n)) { | |
1684 | nl_msg_put_u32(key, OVS_KEY_ATTR_DP_HASH, dp_hash); | |
1685 | if (mask) { | |
1686 | nl_msg_put_u32(mask, OVS_KEY_ATTR_DP_HASH, UINT32_MAX); | |
1687 | } | |
1688 | return n; | |
1689 | } | |
1690 | } | |
1691 | ||
35651d6a | 1692 | { |
c2c28dfd | 1693 | uint64_t tun_id, tun_id_mask; |
e6cc0bab | 1694 | struct flow_tnl tun_key, tun_key_mask; |
35651d6a JG |
1695 | int n = -1; |
1696 | ||
c2c28dfd BP |
1697 | if (mask && ovs_scan(s, "tunnel(tun_id=%"SCNi64"/%"SCNi64"," |
1698 | "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT | |
1699 | "/"IP_SCAN_FMT",tos=%"SCNi8"/%"SCNi8"," | |
1700 | "ttl=%"SCNi8"/%"SCNi8",flags%n", | |
1701 | &tun_id, &tun_id_mask, | |
1702 | IP_SCAN_ARGS(&tun_key.ip_src), | |
1703 | IP_SCAN_ARGS(&tun_key_mask.ip_src), | |
1704 | IP_SCAN_ARGS(&tun_key.ip_dst), | |
1705 | IP_SCAN_ARGS(&tun_key_mask.ip_dst), | |
1706 | &tun_key.ip_tos, &tun_key_mask.ip_tos, | |
1707 | &tun_key.ip_ttl, &tun_key_mask.ip_ttl, &n)) { | |
e6cc0bab AZ |
1708 | int res; |
1709 | uint32_t flags; | |
1710 | ||
c2c28dfd | 1711 | tun_key.tun_id = htonll(tun_id); |
e6cc0bab | 1712 | tun_key_mask.tun_id = htonll(tun_id_mask); |
e6cc0bab AZ |
1713 | res = parse_flags(&s[n], flow_tun_flag_to_string, &flags); |
1714 | tun_key.flags = flags; | |
1715 | tun_key_mask.flags = UINT16_MAX; | |
1716 | ||
1717 | if (res < 0) { | |
1718 | return res; | |
1719 | } | |
1720 | n += res; | |
1721 | if (s[n] != ')') { | |
1722 | return -EINVAL; | |
1723 | } | |
1724 | n++; | |
1725 | tun_key_to_attr(key, &tun_key); | |
1726 | if (mask) { | |
1727 | tun_key_to_attr(mask, &tun_key_mask); | |
1728 | } | |
1729 | return n; | |
c2c28dfd BP |
1730 | } else if (ovs_scan(s, "tunnel(tun_id=%"SCNi64"," |
1731 | "src="IP_SCAN_FMT",dst="IP_SCAN_FMT | |
1732 | ",tos=%"SCNi8",ttl=%"SCNi8",flags%n", &tun_id, | |
1733 | IP_SCAN_ARGS(&tun_key.ip_src), | |
1734 | IP_SCAN_ARGS(&tun_key.ip_dst), | |
1735 | &tun_key.ip_tos, &tun_key.ip_ttl, &n)) { | |
29c7a2b2 | 1736 | int res; |
9b405f1a | 1737 | uint32_t flags; |
29c7a2b2 | 1738 | |
c2c28dfd | 1739 | tun_key.tun_id = htonll(tun_id); |
9b405f1a | 1740 | res = parse_flags(&s[n], flow_tun_flag_to_string, &flags); |
e6cc0bab | 1741 | tun_key.flags = flags; |
29c7a2b2 | 1742 | |
29c7a2b2 PS |
1743 | if (res < 0) { |
1744 | return res; | |
1745 | } | |
1746 | n += res; | |
1747 | if (s[n] != ')') { | |
1748 | return -EINVAL; | |
1749 | } | |
1750 | n++; | |
9b405f1a | 1751 | tun_key_to_attr(key, &tun_key); |
e6cc0bab AZ |
1752 | |
1753 | if (mask) { | |
1754 | memset(&tun_key, 0xff, sizeof tun_key); | |
1755 | tun_key_to_attr(mask, &tun_key); | |
1756 | } | |
35651d6a JG |
1757 | return n; |
1758 | } | |
1759 | } | |
1760 | ||
3bffc610 | 1761 | { |
c2c28dfd BP |
1762 | uint32_t in_port; |
1763 | uint32_t in_port_mask; | |
3bffc610 BP |
1764 | int n = -1; |
1765 | ||
c2c28dfd BP |
1766 | if (mask && ovs_scan(s, "in_port(%"SCNi32"/%"SCNi32")%n", |
1767 | &in_port, &in_port_mask, &n)) { | |
e6cc0bab AZ |
1768 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port); |
1769 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask); | |
1770 | return n; | |
c2c28dfd | 1771 | } else if (ovs_scan(s, "in_port(%"SCNi32")%n", &in_port, &n)) { |
df2c07f4 | 1772 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port); |
e6cc0bab AZ |
1773 | if (mask) { |
1774 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX); | |
1775 | } | |
3bffc610 BP |
1776 | return n; |
1777 | } | |
1778 | } | |
1779 | ||
e6cc0bab | 1780 | |
b2a60db8 BP |
1781 | if (port_names && !strncmp(s, "in_port(", 8)) { |
1782 | const char *name; | |
44bac24b | 1783 | const struct simap_node *node; |
b2a60db8 BP |
1784 | int name_len; |
1785 | ||
1786 | name = s + 8; | |
c46c613a | 1787 | name_len = strcspn(name, ")"); |
44bac24b | 1788 | node = simap_find_len(port_names, name, name_len); |
b2a60db8 | 1789 | if (node) { |
44bac24b | 1790 | nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data); |
e6cc0bab AZ |
1791 | |
1792 | if (mask) { | |
1793 | nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX); | |
1794 | } | |
b2a60db8 BP |
1795 | return 8 + name_len + 1; |
1796 | } | |
1797 | } | |
1798 | ||
3bffc610 | 1799 | { |
df2c07f4 | 1800 | struct ovs_key_ethernet eth_key; |
e6cc0bab | 1801 | struct ovs_key_ethernet eth_key_mask; |
3bffc610 BP |
1802 | int n = -1; |
1803 | ||
c2c28dfd BP |
1804 | if (mask && ovs_scan(s, |
1805 | "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
1806 | "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
1807 | ETH_ADDR_SCAN_ARGS(eth_key.eth_src), | |
1808 | ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src), | |
1809 | ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), | |
1810 | ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n)) { | |
e6cc0bab AZ |
1811 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET, |
1812 | ð_key, sizeof eth_key); | |
1813 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET, | |
1814 | ð_key_mask, sizeof eth_key_mask); | |
1815 | return n; | |
c2c28dfd BP |
1816 | } else if (ovs_scan(s, "eth(src="ETH_ADDR_SCAN_FMT"," |
1817 | "dst="ETH_ADDR_SCAN_FMT")%n", | |
1818 | ETH_ADDR_SCAN_ARGS(eth_key.eth_src), | |
1819 | ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n)) { | |
df2c07f4 | 1820 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET, |
3bffc610 | 1821 | ð_key, sizeof eth_key); |
e6cc0bab AZ |
1822 | |
1823 | if (mask) { | |
1824 | memset(ð_key, 0xff, sizeof eth_key); | |
1825 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET, | |
1826 | ð_key, sizeof eth_key); | |
1827 | } | |
3bffc610 BP |
1828 | return n; |
1829 | } | |
1830 | } | |
1831 | ||
1832 | { | |
c2c28dfd | 1833 | int vid, vid_mask; |
e6cc0bab AZ |
1834 | int pcp, pcp_mask; |
1835 | int cfi, cfi_mask; | |
3bffc610 BP |
1836 | int n = -1; |
1837 | ||
c2c28dfd BP |
1838 | if (mask && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i)%n", |
1839 | &vid, &vid_mask, &pcp, &pcp_mask, &n)) { | |
e6cc0bab AZ |
1840 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1841 | htons((vid << VLAN_VID_SHIFT) | | |
1842 | (pcp << VLAN_PCP_SHIFT) | | |
1843 | VLAN_CFI)); | |
1844 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, | |
1845 | htons((vid_mask << VLAN_VID_SHIFT) | | |
1846 | (pcp_mask << VLAN_PCP_SHIFT) | | |
1847 | (1 << VLAN_CFI_SHIFT))); | |
1848 | return n; | |
c2c28dfd | 1849 | } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)) { |
fea393b1 BP |
1850 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1851 | htons((vid << VLAN_VID_SHIFT) | | |
8ddc056d BP |
1852 | (pcp << VLAN_PCP_SHIFT) | |
1853 | VLAN_CFI)); | |
e6cc0bab | 1854 | if (mask) { |
b8266395 | 1855 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX); |
e6cc0bab AZ |
1856 | } |
1857 | return n; | |
c2c28dfd BP |
1858 | } else if (mask |
1859 | && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i,cfi=%i/%i)%n", | |
1860 | &vid, &vid_mask, &pcp, &pcp_mask, | |
1861 | &cfi, &cfi_mask, &n)) { | |
e6cc0bab AZ |
1862 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1863 | htons((vid << VLAN_VID_SHIFT) | | |
1864 | (pcp << VLAN_PCP_SHIFT) | | |
1865 | (cfi ? VLAN_CFI : 0))); | |
1866 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, | |
1867 | htons((vid_mask << VLAN_VID_SHIFT) | | |
1868 | (pcp_mask << VLAN_PCP_SHIFT) | | |
1869 | (cfi_mask << VLAN_CFI_SHIFT))); | |
8ddc056d | 1870 | return n; |
c2c28dfd BP |
1871 | } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i,cfi=%i)%n", |
1872 | &vid, &pcp, &cfi, &n)) { | |
8ddc056d BP |
1873 | nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN, |
1874 | htons((vid << VLAN_VID_SHIFT) | | |
1875 | (pcp << VLAN_PCP_SHIFT) | | |
1876 | (cfi ? VLAN_CFI : 0))); | |
e6cc0bab | 1877 | if (mask) { |
b8266395 | 1878 | nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX); |
e6cc0bab | 1879 | } |
3bffc610 BP |
1880 | return n; |
1881 | } | |
1882 | } | |
1883 | ||
1884 | { | |
fac2e516 | 1885 | int eth_type; |
e6cc0bab | 1886 | int eth_type_mask; |
3bffc610 BP |
1887 | int n = -1; |
1888 | ||
c2c28dfd BP |
1889 | if (mask && ovs_scan(s, "eth_type(%i/%i)%n", |
1890 | ð_type, ð_type_mask, &n)) { | |
e6cc0bab AZ |
1891 | if (eth_type != 0) { |
1892 | nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type)); | |
1893 | } | |
1894 | nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask)); | |
1895 | return n; | |
c2c28dfd | 1896 | } else if (ovs_scan(s, "eth_type(%i)%n", ð_type, &n)) { |
df2c07f4 | 1897 | nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type)); |
e6cc0bab | 1898 | if (mask) { |
b8266395 | 1899 | nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
e6cc0bab | 1900 | } |
3bffc610 BP |
1901 | return n; |
1902 | } | |
1903 | } | |
1904 | ||
b02475c5 SH |
1905 | { |
1906 | int label, tc, ttl, bos; | |
e6cc0bab | 1907 | int label_mask, tc_mask, ttl_mask, bos_mask; |
b02475c5 SH |
1908 | int n = -1; |
1909 | ||
c2c28dfd BP |
1910 | if (mask && ovs_scan(s, "mpls(label=%i/%i,tc=%i/%i," |
1911 | "ttl=%i/%i,bos=%i/%i)%n", | |
1912 | &label, &label_mask, &tc, &tc_mask, | |
1913 | &ttl, &ttl_mask, &bos, &bos_mask, &n)) { | |
e6cc0bab AZ |
1914 | struct ovs_key_mpls *mpls, *mpls_mask; |
1915 | ||
1916 | mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS, | |
1917 | sizeof *mpls); | |
1918 | mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos); | |
1919 | ||
1920 | mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS, | |
1921 | sizeof *mpls_mask); | |
1922 | mpls_mask->mpls_lse = mpls_lse_from_components( | |
1923 | label_mask, tc_mask, ttl_mask, bos_mask); | |
1924 | return n; | |
c2c28dfd BP |
1925 | } else if (ovs_scan(s, "mpls(label=%i,tc=%i,ttl=%i,bos=%i)%n", |
1926 | &label, &tc, &ttl, &bos, &n)) { | |
b02475c5 SH |
1927 | struct ovs_key_mpls *mpls; |
1928 | ||
1929 | mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS, | |
1930 | sizeof *mpls); | |
20131cef | 1931 | mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos); |
e6cc0bab AZ |
1932 | if (mask) { |
1933 | mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS, | |
1934 | sizeof *mpls); | |
b8266395 | 1935 | mpls->mpls_lse = OVS_BE32_MAX; |
e6cc0bab | 1936 | } |
b02475c5 SH |
1937 | return n; |
1938 | } | |
1939 | } | |
1940 | ||
e6cc0bab | 1941 | |
3bffc610 | 1942 | { |
c2c28dfd BP |
1943 | struct ovs_key_ipv4 ipv4_key; |
1944 | struct ovs_key_ipv4 ipv4_mask; | |
1945 | ||
7257b535 BP |
1946 | char frag[8]; |
1947 | enum ovs_frag_type ipv4_frag; | |
3bffc610 BP |
1948 | int n = -1; |
1949 | ||
c2c28dfd BP |
1950 | if (mask |
1951 | && ovs_scan(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
1952 | "dst="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
1953 | "proto=%"SCNi8"/%"SCNi8"," | |
1954 | "tos=%"SCNi8"/%"SCNi8"," | |
1955 | "ttl=%"SCNi8"/%"SCNi8"," | |
1956 | "frag=%7[a-z]/%"SCNi8")%n", | |
1957 | IP_SCAN_ARGS(&ipv4_key.ipv4_src), | |
1958 | IP_SCAN_ARGS(&ipv4_mask.ipv4_src), | |
1959 | IP_SCAN_ARGS(&ipv4_key.ipv4_dst), | |
1960 | IP_SCAN_ARGS(&ipv4_mask.ipv4_dst), | |
1961 | &ipv4_key.ipv4_proto, &ipv4_mask.ipv4_proto, | |
1962 | &ipv4_key.ipv4_tos, &ipv4_mask.ipv4_tos, | |
1963 | &ipv4_key.ipv4_ttl, &ipv4_mask.ipv4_ttl, | |
1964 | frag, &ipv4_mask.ipv4_frag, &n) | |
e6cc0bab | 1965 | && ovs_frag_type_from_string(frag, &ipv4_frag)) { |
e6cc0bab AZ |
1966 | ipv4_key.ipv4_frag = ipv4_frag; |
1967 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4, | |
1968 | &ipv4_key, sizeof ipv4_key); | |
1969 | ||
e6cc0bab AZ |
1970 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4, |
1971 | &ipv4_mask, sizeof ipv4_mask); | |
1972 | return n; | |
c2c28dfd BP |
1973 | } else if (ovs_scan(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT"," |
1974 | "proto=%"SCNi8",tos=%"SCNi8",ttl=%"SCNi8"," | |
1975 | "frag=%7[a-z])%n", | |
1976 | IP_SCAN_ARGS(&ipv4_key.ipv4_src), | |
1977 | IP_SCAN_ARGS(&ipv4_key.ipv4_dst), | |
1978 | &ipv4_key.ipv4_proto, | |
1979 | &ipv4_key.ipv4_tos, | |
1980 | &ipv4_key.ipv4_ttl, | |
1981 | frag, &n) > 0 | |
1982 | && ovs_frag_type_from_string(frag, &ipv4_frag)) { | |
7257b535 | 1983 | ipv4_key.ipv4_frag = ipv4_frag; |
df2c07f4 | 1984 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4, |
3bffc610 | 1985 | &ipv4_key, sizeof ipv4_key); |
e6cc0bab AZ |
1986 | |
1987 | if (mask) { | |
1988 | memset(&ipv4_key, 0xff, sizeof ipv4_key); | |
1989 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4, | |
1990 | &ipv4_key, sizeof ipv4_key); | |
1991 | } | |
3bffc610 BP |
1992 | return n; |
1993 | } | |
1994 | } | |
1995 | ||
1996 | { | |
1997 | char ipv6_src_s[IPV6_SCAN_LEN + 1]; | |
e6cc0bab | 1998 | char ipv6_src_mask_s[IPV6_SCAN_LEN + 1]; |
3bffc610 | 1999 | char ipv6_dst_s[IPV6_SCAN_LEN + 1]; |
e6cc0bab AZ |
2000 | char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1]; |
2001 | int ipv6_label, ipv6_label_mask; | |
2002 | int ipv6_proto, ipv6_proto_mask; | |
2003 | int ipv6_tclass, ipv6_tclass_mask; | |
2004 | int ipv6_hlimit, ipv6_hlimit_mask; | |
7257b535 BP |
2005 | char frag[8]; |
2006 | enum ovs_frag_type ipv6_frag; | |
e6cc0bab | 2007 | int ipv6_frag_mask; |
3bffc610 BP |
2008 | int n = -1; |
2009 | ||
c2c28dfd BP |
2010 | if (mask && ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst=" |
2011 | IPV6_SCAN_FMT"/"IPV6_SCAN_FMT"," | |
2012 | "label=%i/%i,proto=%i/%i,tclass=%i/%i," | |
2013 | "hlimit=%i/%i,frag=%7[a-z]/%i)%n", | |
2014 | ipv6_src_s, ipv6_src_mask_s, | |
2015 | ipv6_dst_s, ipv6_dst_mask_s, | |
2016 | &ipv6_label, &ipv6_label_mask, &ipv6_proto, | |
2017 | &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask, | |
2018 | &ipv6_hlimit, &ipv6_hlimit_mask, frag, | |
2019 | &ipv6_frag_mask, &n) | |
e6cc0bab AZ |
2020 | && ovs_frag_type_from_string(frag, &ipv6_frag)) { |
2021 | struct ovs_key_ipv6 ipv6_key; | |
2022 | struct ovs_key_ipv6 ipv6_mask; | |
2023 | ||
2024 | if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 || | |
2025 | inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 || | |
2026 | inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 || | |
2027 | inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) { | |
2028 | return -EINVAL; | |
2029 | } | |
2030 | ||
2031 | ipv6_key.ipv6_label = htonl(ipv6_label); | |
2032 | ipv6_key.ipv6_proto = ipv6_proto; | |
2033 | ipv6_key.ipv6_tclass = ipv6_tclass; | |
2034 | ipv6_key.ipv6_hlimit = ipv6_hlimit; | |
2035 | ipv6_key.ipv6_frag = ipv6_frag; | |
2036 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6, | |
2037 | &ipv6_key, sizeof ipv6_key); | |
2038 | ||
2039 | ipv6_mask.ipv6_label = htonl(ipv6_label_mask); | |
2040 | ipv6_mask.ipv6_proto = ipv6_proto_mask; | |
2041 | ipv6_mask.ipv6_tclass = ipv6_tclass_mask; | |
2042 | ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask; | |
2043 | ipv6_mask.ipv6_frag = ipv6_frag_mask; | |
2044 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6, | |
2045 | &ipv6_mask, sizeof ipv6_mask); | |
2046 | return n; | |
c2c28dfd BP |
2047 | } else if (ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT"," |
2048 | "label=%i,proto=%i,tclass=%i,hlimit=%i," | |
2049 | "frag=%7[a-z])%n", | |
2050 | ipv6_src_s, ipv6_dst_s, &ipv6_label, | |
2051 | &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n) | |
2052 | && ovs_frag_type_from_string(frag, &ipv6_frag)) { | |
df2c07f4 | 2053 | struct ovs_key_ipv6 ipv6_key; |
3bffc610 | 2054 | |
3bffc610 BP |
2055 | if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 || |
2056 | inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) { | |
2057 | return -EINVAL; | |
2058 | } | |
fa8223b7 | 2059 | ipv6_key.ipv6_label = htonl(ipv6_label); |
3bffc610 | 2060 | ipv6_key.ipv6_proto = ipv6_proto; |
60258dcb | 2061 | ipv6_key.ipv6_tclass = ipv6_tclass; |
a61680c6 | 2062 | ipv6_key.ipv6_hlimit = ipv6_hlimit; |
7257b535 | 2063 | ipv6_key.ipv6_frag = ipv6_frag; |
df2c07f4 | 2064 | nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6, |
3bffc610 | 2065 | &ipv6_key, sizeof ipv6_key); |
e6cc0bab AZ |
2066 | |
2067 | if (mask) { | |
2068 | memset(&ipv6_key, 0xff, sizeof ipv6_key); | |
2069 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6, | |
2070 | &ipv6_key, sizeof ipv6_key); | |
2071 | } | |
3bffc610 BP |
2072 | return n; |
2073 | } | |
2074 | } | |
2075 | ||
2076 | { | |
2077 | int tcp_src; | |
2078 | int tcp_dst; | |
e6cc0bab AZ |
2079 | int tcp_src_mask; |
2080 | int tcp_dst_mask; | |
3bffc610 BP |
2081 | int n = -1; |
2082 | ||
c2c28dfd BP |
2083 | if (mask && ovs_scan(s, "tcp(src=%i/%i,dst=%i/%i)%n", |
2084 | &tcp_src, &tcp_src_mask, &tcp_dst, | |
2085 | &tcp_dst_mask, &n)) { | |
df2c07f4 | 2086 | struct ovs_key_tcp tcp_key; |
e6cc0bab | 2087 | struct ovs_key_tcp tcp_mask; |
3bffc610 BP |
2088 | |
2089 | tcp_key.tcp_src = htons(tcp_src); | |
2090 | tcp_key.tcp_dst = htons(tcp_dst); | |
df2c07f4 | 2091 | nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key); |
e6cc0bab AZ |
2092 | |
2093 | tcp_mask.tcp_src = htons(tcp_src_mask); | |
2094 | tcp_mask.tcp_dst = htons(tcp_dst_mask); | |
2095 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP, | |
2096 | &tcp_mask, sizeof tcp_mask); | |
2097 | return n; | |
c2c28dfd BP |
2098 | } else if (ovs_scan(s, "tcp(src=%i,dst=%i)%n", |
2099 | &tcp_src, &tcp_dst, &n)) { | |
e6cc0bab AZ |
2100 | struct ovs_key_tcp tcp_key; |
2101 | ||
2102 | tcp_key.tcp_src = htons(tcp_src); | |
2103 | tcp_key.tcp_dst = htons(tcp_dst); | |
2104 | nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key); | |
2105 | ||
2106 | if (mask) { | |
2107 | memset(&tcp_key, 0xff, sizeof tcp_key); | |
2108 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP, | |
2109 | &tcp_key, sizeof tcp_key); | |
2110 | } | |
3bffc610 BP |
2111 | return n; |
2112 | } | |
2113 | } | |
2114 | ||
dc235f7f JR |
2115 | { |
2116 | uint16_t tcp_flags, tcp_flags_mask; | |
2117 | int n = -1; | |
2118 | ||
c2c28dfd BP |
2119 | if (mask && ovs_scan(s, "tcp_flags(%"SCNi16"/%"SCNi16")%n", |
2120 | &tcp_flags, &tcp_flags_mask, &n) > 0 && n > 0) { | |
dc235f7f JR |
2121 | nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags)); |
2122 | nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags_mask)); | |
2123 | return n; | |
c2c28dfd | 2124 | } else if (ovs_scan(s, "tcp_flags(%"SCNi16")%n", &tcp_flags, &n)) { |
dc235f7f JR |
2125 | nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags)); |
2126 | if (mask) { | |
2127 | nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS, | |
2128 | htons(UINT16_MAX)); | |
2129 | } | |
2130 | return n; | |
2131 | } | |
2132 | } | |
2133 | ||
3bffc610 BP |
2134 | { |
2135 | int udp_src; | |
2136 | int udp_dst; | |
e6cc0bab AZ |
2137 | int udp_src_mask; |
2138 | int udp_dst_mask; | |
3bffc610 BP |
2139 | int n = -1; |
2140 | ||
c2c28dfd BP |
2141 | if (mask && ovs_scan(s, "udp(src=%i/%i,dst=%i/%i)%n", |
2142 | &udp_src, &udp_src_mask, | |
2143 | &udp_dst, &udp_dst_mask, &n)) { | |
e6cc0bab AZ |
2144 | struct ovs_key_udp udp_key; |
2145 | struct ovs_key_udp udp_mask; | |
2146 | ||
2147 | udp_key.udp_src = htons(udp_src); | |
2148 | udp_key.udp_dst = htons(udp_dst); | |
2149 | nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); | |
2150 | ||
2151 | udp_mask.udp_src = htons(udp_src_mask); | |
2152 | udp_mask.udp_dst = htons(udp_dst_mask); | |
2153 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, | |
2154 | &udp_mask, sizeof udp_mask); | |
2155 | return n; | |
2156 | } | |
c2c28dfd | 2157 | if (ovs_scan(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n)) { |
df2c07f4 | 2158 | struct ovs_key_udp udp_key; |
3bffc610 BP |
2159 | |
2160 | udp_key.udp_src = htons(udp_src); | |
2161 | udp_key.udp_dst = htons(udp_dst); | |
df2c07f4 | 2162 | nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); |
e6cc0bab AZ |
2163 | |
2164 | if (mask) { | |
2165 | memset(&udp_key, 0xff, sizeof udp_key); | |
2166 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key); | |
2167 | } | |
3bffc610 BP |
2168 | return n; |
2169 | } | |
2170 | } | |
2171 | ||
c6bcb685 JS |
2172 | { |
2173 | int sctp_src; | |
2174 | int sctp_dst; | |
2175 | int sctp_src_mask; | |
2176 | int sctp_dst_mask; | |
2177 | int n = -1; | |
2178 | ||
c2c28dfd BP |
2179 | if (mask && ovs_scan(s, "sctp(src=%i/%i,dst=%i/%i)%n", |
2180 | &sctp_src, &sctp_src_mask, | |
2181 | &sctp_dst, &sctp_dst_mask, &n)) { | |
c6bcb685 JS |
2182 | struct ovs_key_sctp sctp_key; |
2183 | struct ovs_key_sctp sctp_mask; | |
2184 | ||
2185 | sctp_key.sctp_src = htons(sctp_src); | |
2186 | sctp_key.sctp_dst = htons(sctp_dst); | |
2187 | nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key); | |
2188 | ||
2189 | sctp_mask.sctp_src = htons(sctp_src_mask); | |
2190 | sctp_mask.sctp_dst = htons(sctp_dst_mask); | |
2191 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, | |
2192 | &sctp_mask, sizeof sctp_mask); | |
2193 | return n; | |
2194 | } | |
c2c28dfd | 2195 | if (ovs_scan(s, "sctp(src=%i,dst=%i)%n", &sctp_src, &sctp_dst, &n)) { |
c6bcb685 JS |
2196 | struct ovs_key_sctp sctp_key; |
2197 | ||
2198 | sctp_key.sctp_src = htons(sctp_src); | |
2199 | sctp_key.sctp_dst = htons(sctp_dst); | |
2200 | nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key); | |
2201 | ||
2202 | if (mask) { | |
2203 | memset(&sctp_key, 0xff, sizeof sctp_key); | |
2204 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key); | |
2205 | } | |
2206 | return n; | |
2207 | } | |
2208 | } | |
2209 | ||
3bffc610 | 2210 | { |
c2c28dfd BP |
2211 | struct ovs_key_icmp icmp_key; |
2212 | struct ovs_key_icmp icmp_mask; | |
3bffc610 BP |
2213 | int n = -1; |
2214 | ||
c2c28dfd BP |
2215 | if (mask && ovs_scan(s, "icmp(type=%"SCNi8"/%"SCNi8"," |
2216 | "code=%"SCNi8"/%"SCNi8")%n", | |
2217 | &icmp_key.icmp_type, &icmp_mask.icmp_type, | |
2218 | &icmp_key.icmp_code, &icmp_mask.icmp_code, &n)) { | |
e6cc0bab AZ |
2219 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP, |
2220 | &icmp_key, sizeof icmp_key); | |
e6cc0bab AZ |
2221 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, |
2222 | &icmp_mask, sizeof icmp_mask); | |
2223 | return n; | |
c2c28dfd BP |
2224 | } else if (ovs_scan(s, "icmp(type=%"SCNi8",code=%"SCNi8")%n", |
2225 | &icmp_key.icmp_type, &icmp_key.icmp_code, &n)) { | |
df2c07f4 | 2226 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP, |
3bffc610 | 2227 | &icmp_key, sizeof icmp_key); |
e6cc0bab AZ |
2228 | if (mask) { |
2229 | memset(&icmp_key, 0xff, sizeof icmp_key); | |
2230 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key, | |
2231 | sizeof icmp_key); | |
2232 | } | |
3bffc610 BP |
2233 | return n; |
2234 | } | |
2235 | } | |
2236 | ||
2237 | { | |
df2c07f4 | 2238 | struct ovs_key_icmpv6 icmpv6_key; |
e6cc0bab | 2239 | struct ovs_key_icmpv6 icmpv6_mask; |
3bffc610 BP |
2240 | int n = -1; |
2241 | ||
c2c28dfd BP |
2242 | if (mask && ovs_scan(s, "icmpv6(type=%"SCNi8"/%"SCNi8"," |
2243 | "code=%"SCNi8"/%"SCNi8")%n", | |
2244 | &icmpv6_key.icmpv6_type, &icmpv6_mask.icmpv6_type, | |
2245 | &icmpv6_key.icmpv6_code, &icmpv6_mask.icmpv6_code, | |
2246 | &n)) { | |
e6cc0bab AZ |
2247 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6, |
2248 | &icmpv6_key, sizeof icmpv6_key); | |
e6cc0bab AZ |
2249 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask, |
2250 | sizeof icmpv6_mask); | |
2251 | return n; | |
c2c28dfd BP |
2252 | } else if (ovs_scan(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n", |
2253 | &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code, | |
2254 | &n)) { | |
df2c07f4 | 2255 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6, |
3bffc610 | 2256 | &icmpv6_key, sizeof icmpv6_key); |
e6cc0bab AZ |
2257 | |
2258 | if (mask) { | |
2259 | memset(&icmpv6_key, 0xff, sizeof icmpv6_key); | |
2260 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key, | |
2261 | sizeof icmpv6_key); | |
2262 | } | |
3bffc610 BP |
2263 | return n; |
2264 | } | |
2265 | } | |
2266 | ||
2267 | { | |
c2c28dfd BP |
2268 | struct ovs_key_arp arp_key; |
2269 | struct ovs_key_arp arp_mask; | |
2270 | uint16_t arp_op, arp_op_mask; | |
3bffc610 BP |
2271 | int n = -1; |
2272 | ||
c2c28dfd BP |
2273 | if (mask && ovs_scan(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT"," |
2274 | "tip="IP_SCAN_FMT"/"IP_SCAN_FMT"," | |
2275 | "op=%"SCNi16"/%"SCNi16"," | |
2276 | "sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
2277 | "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2278 | IP_SCAN_ARGS(&arp_key.arp_sip), | |
2279 | IP_SCAN_ARGS(&arp_mask.arp_sip), | |
2280 | IP_SCAN_ARGS(&arp_key.arp_tip), | |
2281 | IP_SCAN_ARGS(&arp_mask.arp_tip), | |
2282 | &arp_op, &arp_op_mask, | |
2283 | ETH_ADDR_SCAN_ARGS(arp_key.arp_sha), | |
2284 | ETH_ADDR_SCAN_ARGS(arp_mask.arp_sha), | |
2285 | ETH_ADDR_SCAN_ARGS(arp_key.arp_tha), | |
2286 | ETH_ADDR_SCAN_ARGS(arp_mask.arp_tha), &n)) { | |
e6cc0bab | 2287 | arp_key.arp_op = htons(arp_op); |
e6cc0bab | 2288 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); |
e6cc0bab | 2289 | arp_mask.arp_op = htons(arp_op_mask); |
e6cc0bab AZ |
2290 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP, |
2291 | &arp_mask, sizeof arp_mask); | |
2292 | return n; | |
c2c28dfd BP |
2293 | } else if (ovs_scan(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT"," |
2294 | "op=%"SCNi16",sha="ETH_ADDR_SCAN_FMT"," | |
2295 | "tha="ETH_ADDR_SCAN_FMT")%n", | |
2296 | IP_SCAN_ARGS(&arp_key.arp_sip), | |
2297 | IP_SCAN_ARGS(&arp_key.arp_tip), | |
2298 | &arp_op, | |
2299 | ETH_ADDR_SCAN_ARGS(arp_key.arp_sha), | |
2300 | ETH_ADDR_SCAN_ARGS(arp_key.arp_tha), &n)) { | |
3bffc610 | 2301 | arp_key.arp_op = htons(arp_op); |
df2c07f4 | 2302 | nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); |
e6cc0bab AZ |
2303 | |
2304 | if (mask) { | |
2305 | memset(&arp_key, 0xff, sizeof arp_key); | |
2306 | nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP, | |
2307 | &arp_key, sizeof arp_key); | |
2308 | } | |
3bffc610 BP |
2309 | return n; |
2310 | } | |
2311 | } | |
2312 | ||
2313 | { | |
2314 | char nd_target_s[IPV6_SCAN_LEN + 1]; | |
e6cc0bab | 2315 | char nd_target_mask_s[IPV6_SCAN_LEN + 1]; |
3bffc610 | 2316 | uint8_t nd_sll[ETH_ADDR_LEN]; |
e6cc0bab | 2317 | uint8_t nd_sll_mask[ETH_ADDR_LEN]; |
3bffc610 | 2318 | uint8_t nd_tll[ETH_ADDR_LEN]; |
e6cc0bab | 2319 | uint8_t nd_tll_mask[ETH_ADDR_LEN]; |
3bffc610 BP |
2320 | int n = -1; |
2321 | ||
dc8c5408 AZ |
2322 | nd_target_mask_s[0] = 0; |
2323 | memset(nd_sll_mask, 0xff, sizeof nd_sll_mask); | |
2324 | memset(nd_tll_mask, 0xff, sizeof nd_tll_mask); | |
e6cc0bab | 2325 | |
c2c28dfd BP |
2326 | if (mask && ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n", |
2327 | nd_target_s, nd_target_mask_s, &n)) { | |
e6cc0bab | 2328 | put_nd_key(n, nd_target_s, NULL, NULL, key); |
dc8c5408 | 2329 | put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask); |
c2c28dfd BP |
2330 | } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT")%n", |
2331 | nd_target_s, &n)) { | |
e6cc0bab AZ |
2332 | put_nd_key(n, nd_target_s, NULL, NULL, key); |
2333 | if (mask) { | |
dc8c5408 | 2334 | put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask); |
e6cc0bab | 2335 | } |
c2c28dfd BP |
2336 | } else if (mask && |
2337 | ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2338 | ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2339 | nd_target_s, nd_target_mask_s, | |
2340 | ETH_ADDR_SCAN_ARGS(nd_sll), | |
2341 | ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n)) { | |
e6cc0bab | 2342 | put_nd_key(n, nd_target_s, nd_sll, NULL, key); |
dc8c5408 | 2343 | put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask); |
c2c28dfd BP |
2344 | } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT"," |
2345 | "sll="ETH_ADDR_SCAN_FMT")%n", | |
2346 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n)) { | |
e6cc0bab AZ |
2347 | put_nd_key(n, nd_target_s, nd_sll, NULL, key); |
2348 | if (mask) { | |
dc8c5408 | 2349 | put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask); |
e6cc0bab | 2350 | } |
c2c28dfd BP |
2351 | } else if (mask && |
2352 | ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2353 | ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2354 | nd_target_s, nd_target_mask_s, | |
2355 | ETH_ADDR_SCAN_ARGS(nd_tll), | |
2356 | ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n)) { | |
e6cc0bab | 2357 | put_nd_key(n, nd_target_s, NULL, nd_tll, key); |
dc8c5408 | 2358 | put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask); |
c2c28dfd BP |
2359 | } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT"," |
2360 | "tll="ETH_ADDR_SCAN_FMT")%n", | |
2361 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n)) { | |
e6cc0bab AZ |
2362 | put_nd_key(n, nd_target_s, NULL, nd_tll, key); |
2363 | if (mask) { | |
dc8c5408 | 2364 | put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask); |
e6cc0bab | 2365 | } |
c2c28dfd BP |
2366 | } else if (mask && |
2367 | ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT | |
2368 | ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"," | |
2369 | "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n", | |
2370 | nd_target_s, nd_target_mask_s, | |
2371 | ETH_ADDR_SCAN_ARGS(nd_sll), | |
2372 | ETH_ADDR_SCAN_ARGS(nd_sll_mask), | |
2373 | ETH_ADDR_SCAN_ARGS(nd_tll), | |
2374 | ETH_ADDR_SCAN_ARGS(nd_tll_mask), | |
2375 | &n)) { | |
e6cc0bab | 2376 | put_nd_key(n, nd_target_s, nd_sll, nd_tll, key); |
dc8c5408 | 2377 | put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask); |
c2c28dfd BP |
2378 | } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT"," |
2379 | "sll="ETH_ADDR_SCAN_FMT"," | |
2380 | "tll="ETH_ADDR_SCAN_FMT")%n", | |
2381 | nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), | |
2382 | ETH_ADDR_SCAN_ARGS(nd_tll), &n)) { | |
e6cc0bab AZ |
2383 | put_nd_key(n, nd_target_s, nd_sll, nd_tll, key); |
2384 | if (mask) { | |
dc8c5408 AZ |
2385 | put_nd_mask(n, nd_target_mask_s, |
2386 | nd_sll_mask, nd_tll_mask, mask); | |
e6cc0bab | 2387 | } |
3bffc610 | 2388 | } |
e6cc0bab AZ |
2389 | |
2390 | if (n != -1) | |
2391 | return n; | |
2392 | ||
3bffc610 BP |
2393 | } |
2394 | ||
fea393b1 BP |
2395 | if (!strncmp(s, "encap(", 6)) { |
2396 | const char *start = s; | |
e6cc0bab | 2397 | size_t encap, encap_mask = 0; |
fea393b1 BP |
2398 | |
2399 | encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP); | |
e6cc0bab AZ |
2400 | if (mask) { |
2401 | encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP); | |
2402 | } | |
fea393b1 BP |
2403 | |
2404 | s += 6; | |
2405 | for (;;) { | |
2406 | int retval; | |
2407 | ||
2408 | s += strspn(s, ", \t\r\n"); | |
2409 | if (!*s) { | |
2410 | return -EINVAL; | |
2411 | } else if (*s == ')') { | |
2412 | break; | |
2413 | } | |
2414 | ||
e6cc0bab | 2415 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
fea393b1 BP |
2416 | if (retval < 0) { |
2417 | return retval; | |
2418 | } | |
2419 | s += retval; | |
2420 | } | |
2421 | s++; | |
2422 | ||
2423 | nl_msg_end_nested(key, encap); | |
e6cc0bab AZ |
2424 | if (mask) { |
2425 | nl_msg_end_nested(mask, encap_mask); | |
2426 | } | |
fea393b1 BP |
2427 | |
2428 | return s - start; | |
2429 | } | |
2430 | ||
3bffc610 BP |
2431 | return -EINVAL; |
2432 | } | |
2433 | ||
df2c07f4 JP |
2434 | /* Parses the string representation of a datapath flow key, in the |
2435 | * format output by odp_flow_key_format(). Returns 0 if successful, | |
2436 | * otherwise a positive errno value. On success, the flow key is | |
2437 | * appended to 'key' as a series of Netlink attributes. On failure, no | |
2438 | * data is appended to 'key'. Either way, 'key''s data might be | |
2439 | * reallocated. | |
3bffc610 | 2440 | * |
44bac24b BP |
2441 | * If 'port_names' is nonnull, it points to an simap that maps from a port name |
2442 | * to a port number. (Port names may be used instead of port numbers in | |
2443 | * in_port.) | |
b2a60db8 | 2444 | * |
3bffc610 BP |
2445 | * On success, the attributes appended to 'key' are individually syntactically |
2446 | * valid, but they may not be valid as a sequence. 'key' might, for example, | |
34118cae | 2447 | * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */ |
3bffc610 | 2448 | int |
e6cc0bab AZ |
2449 | odp_flow_from_string(const char *s, const struct simap *port_names, |
2450 | struct ofpbuf *key, struct ofpbuf *mask) | |
3bffc610 | 2451 | { |
1f317cb5 | 2452 | const size_t old_size = ofpbuf_size(key); |
3bffc610 BP |
2453 | for (;;) { |
2454 | int retval; | |
2455 | ||
7202cbe5 | 2456 | s += strspn(s, delimiters); |
3bffc610 BP |
2457 | if (!*s) { |
2458 | return 0; | |
2459 | } | |
2460 | ||
e6cc0bab | 2461 | retval = parse_odp_key_mask_attr(s, port_names, key, mask); |
3bffc610 | 2462 | if (retval < 0) { |
1f317cb5 | 2463 | ofpbuf_set_size(key, old_size); |
3bffc610 BP |
2464 | return -retval; |
2465 | } | |
2466 | s += retval; | |
2467 | } | |
2468 | ||
2469 | return 0; | |
2470 | } | |
2471 | ||
7257b535 | 2472 | static uint8_t |
c4f2731d | 2473 | ovs_to_odp_frag(uint8_t nw_frag) |
7257b535 | 2474 | { |
c4f2731d PS |
2475 | return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE |
2476 | : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST | |
2477 | : OVS_FRAG_TYPE_LATER); | |
7257b535 BP |
2478 | } |
2479 | ||
431495b1 AZ |
2480 | static uint8_t |
2481 | ovs_to_odp_frag_mask(uint8_t nw_frag_mask) | |
2482 | { | |
2483 | uint8_t frag_mask = ~(OVS_FRAG_TYPE_FIRST | OVS_FRAG_TYPE_LATER); | |
2484 | ||
2485 | frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_FIRST : 0; | |
2486 | frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_LATER) ? OVS_FRAG_TYPE_LATER : 0; | |
2487 | ||
2488 | return frag_mask; | |
2489 | } | |
2490 | ||
661cbcd5 | 2491 | static void |
fbfe01de AZ |
2492 | odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *flow, |
2493 | const struct flow *mask, odp_port_t odp_in_port, | |
7ce2769e | 2494 | size_t max_mpls_depth, bool recirc, bool export_mask) |
14608a15 | 2495 | { |
df2c07f4 | 2496 | struct ovs_key_ethernet *eth_key; |
fea393b1 | 2497 | size_t encap; |
fbfe01de | 2498 | const struct flow *data = export_mask ? mask : flow; |
661cbcd5 | 2499 | |
54bb0348 | 2500 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority); |
abff858b | 2501 | |
fbfe01de | 2502 | if (flow->tunnel.ip_dst || export_mask) { |
661cbcd5 | 2503 | tun_key_to_attr(buf, &data->tunnel); |
36956a7d BP |
2504 | } |
2505 | ||
1362e248 | 2506 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark); |
72e8bf28 | 2507 | |
7ce2769e | 2508 | if (recirc) { |
572f732a | 2509 | nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id); |
572f732a AZ |
2510 | nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash); |
2511 | } | |
2512 | ||
661cbcd5 JP |
2513 | /* Add an ingress port attribute if this is a mask or 'odp_in_port' |
2514 | * is not the magical value "ODPP_NONE". */ | |
fbfe01de | 2515 | if (export_mask || odp_in_port != ODPP_NONE) { |
4e022ec0 | 2516 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port); |
18886b60 | 2517 | } |
36956a7d | 2518 | |
df2c07f4 | 2519 | eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET, |
36956a7d | 2520 | sizeof *eth_key); |
661cbcd5 JP |
2521 | memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN); |
2522 | memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN); | |
36956a7d | 2523 | |
8ddc056d | 2524 | if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) { |
fbfe01de | 2525 | if (export_mask) { |
b8266395 | 2526 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
bed7d6a1 JP |
2527 | } else { |
2528 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN)); | |
2529 | } | |
661cbcd5 | 2530 | nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci); |
fea393b1 | 2531 | encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP); |
8ddc056d BP |
2532 | if (flow->vlan_tci == htons(0)) { |
2533 | goto unencap; | |
2534 | } | |
fea393b1 BP |
2535 | } else { |
2536 | encap = 0; | |
36956a7d BP |
2537 | } |
2538 | ||
2539 | if (ntohs(flow->dl_type) < ETH_TYPE_MIN) { | |
661cbcd5 JP |
2540 | /* For backwards compatibility with kernels that don't support |
2541 | * wildcarding, the following convention is used to encode the | |
2542 | * OVS_KEY_ATTR_ETHERTYPE for key and mask: | |
2543 | * | |
2544 | * key mask matches | |
2545 | * -------- -------- ------- | |
2546 | * >0x5ff 0xffff Specified Ethernet II Ethertype. | |
2547 | * >0x5ff 0 Any Ethernet II or non-Ethernet II frame. | |
2548 | * <none> 0xffff Any non-Ethernet II frame (except valid | |
2549 | * 802.3 SNAP packet with valid eth_type). | |
2550 | */ | |
fbfe01de | 2551 | if (export_mask) { |
b8266395 | 2552 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX); |
661cbcd5 | 2553 | } |
fea393b1 | 2554 | goto unencap; |
36956a7d BP |
2555 | } |
2556 | ||
661cbcd5 | 2557 | nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type); |
36956a7d BP |
2558 | |
2559 | if (flow->dl_type == htons(ETH_TYPE_IP)) { | |
df2c07f4 | 2560 | struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 2561 | |
df2c07f4 | 2562 | ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4, |
36956a7d | 2563 | sizeof *ipv4_key); |
661cbcd5 JP |
2564 | ipv4_key->ipv4_src = data->nw_src; |
2565 | ipv4_key->ipv4_dst = data->nw_dst; | |
2566 | ipv4_key->ipv4_proto = data->nw_proto; | |
2567 | ipv4_key->ipv4_tos = data->nw_tos; | |
2568 | ipv4_key->ipv4_ttl = data->nw_ttl; | |
fbfe01de | 2569 | ipv4_key->ipv4_frag = export_mask ? ovs_to_odp_frag_mask(data->nw_frag) |
431495b1 | 2570 | : ovs_to_odp_frag(data->nw_frag); |
d31f1109 | 2571 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) { |
df2c07f4 | 2572 | struct ovs_key_ipv6 *ipv6_key; |
d31f1109 | 2573 | |
df2c07f4 | 2574 | ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6, |
d31f1109 | 2575 | sizeof *ipv6_key); |
661cbcd5 JP |
2576 | memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src); |
2577 | memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst); | |
2578 | ipv6_key->ipv6_label = data->ipv6_label; | |
2579 | ipv6_key->ipv6_proto = data->nw_proto; | |
2580 | ipv6_key->ipv6_tclass = data->nw_tos; | |
2581 | ipv6_key->ipv6_hlimit = data->nw_ttl; | |
fbfe01de | 2582 | ipv6_key->ipv6_frag = export_mask ? ovs_to_odp_frag_mask(data->nw_frag) |
431495b1 | 2583 | : ovs_to_odp_frag(data->nw_frag); |
8087f5ff MM |
2584 | } else if (flow->dl_type == htons(ETH_TYPE_ARP) || |
2585 | flow->dl_type == htons(ETH_TYPE_RARP)) { | |
df2c07f4 | 2586 | struct ovs_key_arp *arp_key; |
d31f1109 | 2587 | |
9ddf12cc BP |
2588 | arp_key = nl_msg_put_unspec_zero(buf, OVS_KEY_ATTR_ARP, |
2589 | sizeof *arp_key); | |
661cbcd5 JP |
2590 | arp_key->arp_sip = data->nw_src; |
2591 | arp_key->arp_tip = data->nw_dst; | |
2592 | arp_key->arp_op = htons(data->nw_proto); | |
2593 | memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN); | |
2594 | memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN); | |
b0a17866 | 2595 | } else if (eth_type_mpls(flow->dl_type)) { |
b02475c5 | 2596 | struct ovs_key_mpls *mpls_key; |
8bfd0fda | 2597 | int i, n; |
b02475c5 | 2598 | |
8bfd0fda BP |
2599 | n = flow_count_mpls_labels(flow, NULL); |
2600 | n = MIN(n, max_mpls_depth); | |
b02475c5 | 2601 | mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS, |
8bfd0fda BP |
2602 | n * sizeof *mpls_key); |
2603 | for (i = 0; i < n; i++) { | |
2604 | mpls_key[i].mpls_lse = data->mpls_lse[i]; | |
2605 | } | |
b02475c5 SH |
2606 | } |
2607 | ||
48cecbdc | 2608 | if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) { |
6767a2cc | 2609 | if (flow->nw_proto == IPPROTO_TCP) { |
df2c07f4 | 2610 | struct ovs_key_tcp *tcp_key; |
36956a7d | 2611 | |
df2c07f4 | 2612 | tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP, |
36956a7d | 2613 | sizeof *tcp_key); |
661cbcd5 JP |
2614 | tcp_key->tcp_src = data->tp_src; |
2615 | tcp_key->tcp_dst = data->tp_dst; | |
dc235f7f JR |
2616 | |
2617 | if (data->tcp_flags) { | |
2618 | nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags); | |
2619 | } | |
6767a2cc | 2620 | } else if (flow->nw_proto == IPPROTO_UDP) { |
df2c07f4 | 2621 | struct ovs_key_udp *udp_key; |
36956a7d | 2622 | |
df2c07f4 | 2623 | udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP, |
36956a7d | 2624 | sizeof *udp_key); |
661cbcd5 JP |
2625 | udp_key->udp_src = data->tp_src; |
2626 | udp_key->udp_dst = data->tp_dst; | |
c6bcb685 JS |
2627 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
2628 | struct ovs_key_sctp *sctp_key; | |
2629 | ||
2630 | sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP, | |
2631 | sizeof *sctp_key); | |
2632 | sctp_key->sctp_src = data->tp_src; | |
2633 | sctp_key->sctp_dst = data->tp_dst; | |
d31f1109 JP |
2634 | } else if (flow->dl_type == htons(ETH_TYPE_IP) |
2635 | && flow->nw_proto == IPPROTO_ICMP) { | |
df2c07f4 | 2636 | struct ovs_key_icmp *icmp_key; |
36956a7d | 2637 | |
df2c07f4 | 2638 | icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP, |
36956a7d | 2639 | sizeof *icmp_key); |
661cbcd5 JP |
2640 | icmp_key->icmp_type = ntohs(data->tp_src); |
2641 | icmp_key->icmp_code = ntohs(data->tp_dst); | |
d31f1109 JP |
2642 | } else if (flow->dl_type == htons(ETH_TYPE_IPV6) |
2643 | && flow->nw_proto == IPPROTO_ICMPV6) { | |
df2c07f4 | 2644 | struct ovs_key_icmpv6 *icmpv6_key; |
d31f1109 | 2645 | |
df2c07f4 | 2646 | icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6, |
d31f1109 | 2647 | sizeof *icmpv6_key); |
661cbcd5 JP |
2648 | icmpv6_key->icmpv6_type = ntohs(data->tp_src); |
2649 | icmpv6_key->icmpv6_code = ntohs(data->tp_dst); | |
685a51a5 | 2650 | |
d8efdda8 JS |
2651 | if (flow->tp_dst == htons(0) |
2652 | && (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) | |
2653 | || flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) | |
2654 | && (!export_mask || (data->tp_src == htons(0xffff) | |
2655 | && data->tp_dst == htons(0xffff)))) { | |
6f8dbd27 | 2656 | |
df2c07f4 | 2657 | struct ovs_key_nd *nd_key; |
685a51a5 | 2658 | |
df2c07f4 | 2659 | nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND, |
685a51a5 | 2660 | sizeof *nd_key); |
661cbcd5 | 2661 | memcpy(nd_key->nd_target, &data->nd_target, |
685a51a5 | 2662 | sizeof nd_key->nd_target); |
661cbcd5 JP |
2663 | memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN); |
2664 | memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN); | |
685a51a5 | 2665 | } |
36956a7d | 2666 | } |
36956a7d | 2667 | } |
fea393b1 BP |
2668 | |
2669 | unencap: | |
2670 | if (encap) { | |
2671 | nl_msg_end_nested(buf, encap); | |
2672 | } | |
36956a7d | 2673 | } |
661cbcd5 JP |
2674 | |
2675 | /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. | |
2676 | * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port | |
2677 | * number rather than a datapath port number). Instead, if 'odp_in_port' | |
2678 | * is anything other than ODPP_NONE, it is included in 'buf' as the input | |
2679 | * port. | |
2680 | * | |
2681 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
7ce2769e JS |
2682 | * capable of being expanded to allow for that much space. |
2683 | * | |
2684 | * 'recirc' indicates support for recirculation fields. If this is true, then | |
2685 | * these fields will always be serialised. */ | |
661cbcd5 JP |
2686 | void |
2687 | odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow, | |
7ce2769e JS |
2688 | const struct flow *mask, odp_port_t odp_in_port, |
2689 | bool recirc) | |
661cbcd5 | 2690 | { |
7ce2769e JS |
2691 | odp_flow_key_from_flow__(buf, flow, mask, odp_in_port, SIZE_MAX, recirc, |
2692 | false); | |
661cbcd5 JP |
2693 | } |
2694 | ||
2695 | /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to | |
2696 | * 'buf'. 'flow' is used as a template to determine how to interpret | |
2697 | * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but | |
2698 | * it doesn't indicate whether the other fields should be interpreted as | |
2699 | * ARP, IPv4, IPv6, etc. | |
2700 | * | |
2701 | * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be | |
7ce2769e JS |
2702 | * capable of being expanded to allow for that much space. |
2703 | * | |
2704 | * 'recirc' indicates support for recirculation fields. If this is true, then | |
2705 | * these fields will always be serialised. */ | |
661cbcd5 JP |
2706 | void |
2707 | odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask, | |
8bfd0fda | 2708 | const struct flow *flow, uint32_t odp_in_port_mask, |
7ce2769e | 2709 | size_t max_mpls_depth, bool recirc) |
661cbcd5 | 2710 | { |
7ce2769e JS |
2711 | odp_flow_key_from_flow__(buf, flow, mask, u32_to_odp(odp_in_port_mask), |
2712 | max_mpls_depth, recirc, true); | |
661cbcd5 | 2713 | } |
36956a7d | 2714 | |
758c456d JR |
2715 | /* Generate ODP flow key from the given packet metadata */ |
2716 | void | |
2717 | odp_key_from_pkt_metadata(struct ofpbuf *buf, const struct pkt_metadata *md) | |
2718 | { | |
2719 | nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority); | |
2720 | ||
2721 | if (md->tunnel.ip_dst) { | |
2722 | tun_key_to_attr(buf, &md->tunnel); | |
2723 | } | |
2724 | ||
2725 | nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark); | |
2726 | ||
2727 | /* Add an ingress port attribute if 'odp_in_port' is not the magical | |
2728 | * value "ODPP_NONE". */ | |
b5e7e61a AZ |
2729 | if (md->in_port.odp_port != ODPP_NONE) { |
2730 | nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port); | |
758c456d JR |
2731 | } |
2732 | } | |
2733 | ||
2734 | /* Generate packet metadata from the given ODP flow key. */ | |
2735 | void | |
2736 | odp_key_to_pkt_metadata(const struct nlattr *key, size_t key_len, | |
2737 | struct pkt_metadata *md) | |
2738 | { | |
2739 | const struct nlattr *nla; | |
2740 | size_t left; | |
2741 | uint32_t wanted_attrs = 1u << OVS_KEY_ATTR_PRIORITY | | |
2742 | 1u << OVS_KEY_ATTR_SKB_MARK | 1u << OVS_KEY_ATTR_TUNNEL | | |
2743 | 1u << OVS_KEY_ATTR_IN_PORT; | |
2744 | ||
b5e7e61a | 2745 | *md = PKT_METADATA_INITIALIZER(ODPP_NONE); |
758c456d JR |
2746 | |
2747 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { | |
2748 | uint16_t type = nl_attr_type(nla); | |
2749 | size_t len = nl_attr_get_size(nla); | |
2750 | int expected_len = odp_flow_key_attr_len(type); | |
2751 | ||
2752 | if (len != expected_len && expected_len >= 0) { | |
2753 | continue; | |
2754 | } | |
2755 | ||
572f732a AZ |
2756 | switch (type) { |
2757 | case OVS_KEY_ATTR_RECIRC_ID: | |
2758 | md->recirc_id = nl_attr_get_u32(nla); | |
2759 | wanted_attrs &= ~(1u << OVS_KEY_ATTR_RECIRC_ID); | |
2760 | break; | |
2761 | case OVS_KEY_ATTR_DP_HASH: | |
2762 | md->dp_hash = nl_attr_get_u32(nla); | |
2763 | wanted_attrs &= ~(1u << OVS_KEY_ATTR_DP_HASH); | |
2764 | break; | |
2765 | case OVS_KEY_ATTR_PRIORITY: | |
758c456d JR |
2766 | md->skb_priority = nl_attr_get_u32(nla); |
2767 | wanted_attrs &= ~(1u << OVS_KEY_ATTR_PRIORITY); | |
572f732a AZ |
2768 | break; |
2769 | case OVS_KEY_ATTR_SKB_MARK: | |
758c456d JR |
2770 | md->pkt_mark = nl_attr_get_u32(nla); |
2771 | wanted_attrs &= ~(1u << OVS_KEY_ATTR_SKB_MARK); | |
572f732a AZ |
2772 | break; |
2773 | case OVS_KEY_ATTR_TUNNEL: { | |
758c456d JR |
2774 | enum odp_key_fitness res; |
2775 | ||
2776 | res = odp_tun_key_from_attr(nla, &md->tunnel); | |
2777 | if (res == ODP_FIT_ERROR) { | |
2778 | memset(&md->tunnel, 0, sizeof md->tunnel); | |
2779 | } else if (res == ODP_FIT_PERFECT) { | |
2780 | wanted_attrs &= ~(1u << OVS_KEY_ATTR_TUNNEL); | |
2781 | } | |
572f732a AZ |
2782 | break; |
2783 | } | |
2784 | case OVS_KEY_ATTR_IN_PORT: | |
b5e7e61a | 2785 | md->in_port.odp_port = nl_attr_get_odp_port(nla); |
758c456d | 2786 | wanted_attrs &= ~(1u << OVS_KEY_ATTR_IN_PORT); |
572f732a AZ |
2787 | break; |
2788 | default: | |
2789 | break; | |
758c456d JR |
2790 | } |
2791 | ||
2792 | if (!wanted_attrs) { | |
2793 | return; /* Have everything. */ | |
2794 | } | |
2795 | } | |
2796 | } | |
2797 | ||
b0f7b9b5 BP |
2798 | uint32_t |
2799 | odp_flow_key_hash(const struct nlattr *key, size_t key_len) | |
2800 | { | |
2801 | BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t))); | |
db5a1019 AW |
2802 | return hash_words(ALIGNED_CAST(const uint32_t *, key), |
2803 | key_len / sizeof(uint32_t), 0); | |
b0f7b9b5 BP |
2804 | } |
2805 | ||
34118cae BP |
2806 | static void |
2807 | log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title, | |
b0f7b9b5 | 2808 | uint64_t attrs, int out_of_range_attr, |
34118cae BP |
2809 | const struct nlattr *key, size_t key_len) |
2810 | { | |
2811 | struct ds s; | |
2812 | int i; | |
2813 | ||
b0f7b9b5 | 2814 | if (VLOG_DROP_DBG(rl)) { |
34118cae BP |
2815 | return; |
2816 | } | |
2817 | ||
2818 | ds_init(&s); | |
b0f7b9b5 BP |
2819 | for (i = 0; i < 64; i++) { |
2820 | if (attrs & (UINT64_C(1) << i)) { | |
e6603631 BP |
2821 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2822 | ||
2823 | ds_put_format(&s, " %s", | |
2824 | ovs_key_attr_to_string(i, namebuf, sizeof namebuf)); | |
34118cae BP |
2825 | } |
2826 | } | |
b0f7b9b5 BP |
2827 | if (out_of_range_attr) { |
2828 | ds_put_format(&s, " %d (and possibly others)", out_of_range_attr); | |
2829 | } | |
34118cae BP |
2830 | |
2831 | ds_put_cstr(&s, ": "); | |
2832 | odp_flow_key_format(key, key_len, &s); | |
2833 | ||
b0f7b9b5 | 2834 | VLOG_DBG("%s:%s", title, ds_cstr(&s)); |
34118cae BP |
2835 | ds_destroy(&s); |
2836 | } | |
2837 | ||
7257b535 | 2838 | static bool |
9e44d715 | 2839 | odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow) |
7257b535 | 2840 | { |
34118cae BP |
2841 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
2842 | ||
9e44d715 | 2843 | if (odp_frag > OVS_FRAG_TYPE_LATER) { |
b0f7b9b5 | 2844 | VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag); |
7257b535 BP |
2845 | return false; |
2846 | } | |
2847 | ||
7257b535 | 2848 | if (odp_frag != OVS_FRAG_TYPE_NONE) { |
eadef313 | 2849 | flow->nw_frag |= FLOW_NW_FRAG_ANY; |
7257b535 | 2850 | if (odp_frag == OVS_FRAG_TYPE_LATER) { |
eadef313 | 2851 | flow->nw_frag |= FLOW_NW_FRAG_LATER; |
7257b535 BP |
2852 | } |
2853 | } | |
2854 | return true; | |
2855 | } | |
2856 | ||
b0f7b9b5 | 2857 | static bool |
fea393b1 | 2858 | parse_flow_nlattrs(const struct nlattr *key, size_t key_len, |
b0f7b9b5 BP |
2859 | const struct nlattr *attrs[], uint64_t *present_attrsp, |
2860 | int *out_of_range_attrp) | |
36956a7d | 2861 | { |
b0f7b9b5 | 2862 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
36956a7d | 2863 | const struct nlattr *nla; |
34118cae | 2864 | uint64_t present_attrs; |
36956a7d BP |
2865 | size_t left; |
2866 | ||
2aef1214 | 2867 | BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs); |
34118cae | 2868 | present_attrs = 0; |
b0f7b9b5 | 2869 | *out_of_range_attrp = 0; |
36956a7d | 2870 | NL_ATTR_FOR_EACH (nla, left, key, key_len) { |
34118cae BP |
2871 | uint16_t type = nl_attr_type(nla); |
2872 | size_t len = nl_attr_get_size(nla); | |
2873 | int expected_len = odp_flow_key_attr_len(type); | |
2874 | ||
b0f7b9b5 | 2875 | if (len != expected_len && expected_len >= 0) { |
e6603631 BP |
2876 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2877 | ||
34582733 | 2878 | VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have " |
e6603631 BP |
2879 | "length %d", ovs_key_attr_to_string(type, namebuf, |
2880 | sizeof namebuf), | |
b0f7b9b5 BP |
2881 | len, expected_len); |
2882 | return false; | |
34118cae BP |
2883 | } |
2884 | ||
2aef1214 | 2885 | if (type > OVS_KEY_ATTR_MAX) { |
b0f7b9b5 BP |
2886 | *out_of_range_attrp = type; |
2887 | } else { | |
2888 | if (present_attrs & (UINT64_C(1) << type)) { | |
e6603631 BP |
2889 | char namebuf[OVS_KEY_ATTR_BUFSIZE]; |
2890 | ||
b0f7b9b5 | 2891 | VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key", |
e6603631 BP |
2892 | ovs_key_attr_to_string(type, |
2893 | namebuf, sizeof namebuf)); | |
b0f7b9b5 BP |
2894 | return false; |
2895 | } | |
2896 | ||
2897 | present_attrs |= UINT64_C(1) << type; | |
2898 | attrs[type] = nla; | |
2899 | } | |
34118cae BP |
2900 | } |
2901 | if (left) { | |
2902 | VLOG_ERR_RL(&rl, "trailing garbage in flow key"); | |
b0f7b9b5 | 2903 | return false; |
34118cae BP |
2904 | } |
2905 | ||
fea393b1 | 2906 | *present_attrsp = present_attrs; |
b0f7b9b5 | 2907 | return true; |
fea393b1 BP |
2908 | } |
2909 | ||
b0f7b9b5 BP |
2910 | static enum odp_key_fitness |
2911 | check_expectations(uint64_t present_attrs, int out_of_range_attr, | |
2912 | uint64_t expected_attrs, | |
fea393b1 BP |
2913 | const struct nlattr *key, size_t key_len) |
2914 | { | |
2915 | uint64_t missing_attrs; | |
2916 | uint64_t extra_attrs; | |
2917 | ||
2918 | missing_attrs = expected_attrs & ~present_attrs; | |
2919 | if (missing_attrs) { | |
b0f7b9b5 BP |
2920 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); |
2921 | log_odp_key_attributes(&rl, "expected but not present", | |
2922 | missing_attrs, 0, key, key_len); | |
2923 | return ODP_FIT_TOO_LITTLE; | |
fea393b1 BP |
2924 | } |
2925 | ||
2926 | extra_attrs = present_attrs & ~expected_attrs; | |
b0f7b9b5 BP |
2927 | if (extra_attrs || out_of_range_attr) { |
2928 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10); | |
2929 | log_odp_key_attributes(&rl, "present but not expected", | |
2930 | extra_attrs, out_of_range_attr, key, key_len); | |
2931 | return ODP_FIT_TOO_MUCH; | |
fea393b1 BP |
2932 | } |
2933 | ||
b0f7b9b5 | 2934 | return ODP_FIT_PERFECT; |
fea393b1 BP |
2935 | } |
2936 | ||
b0f7b9b5 BP |
2937 | static bool |
2938 | parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
2939 | uint64_t present_attrs, uint64_t *expected_attrs, | |
4a221615 | 2940 | struct flow *flow, const struct flow *src_flow) |
fea393b1 BP |
2941 | { |
2942 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 2943 | bool is_mask = flow != src_flow; |
36956a7d | 2944 | |
fea393b1 | 2945 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) { |
34118cae | 2946 | flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]); |
4a221615 | 2947 | if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) { |
34118cae BP |
2948 | VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key", |
2949 | ntohs(flow->dl_type)); | |
b0f7b9b5 | 2950 | return false; |
34118cae | 2951 | } |
4a221615 GY |
2952 | if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN && |
2953 | flow->dl_type != htons(0xffff)) { | |
2954 | return false; | |
2955 | } | |
b0f7b9b5 | 2956 | *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE; |
34118cae | 2957 | } else { |
4a221615 GY |
2958 | if (!is_mask) { |
2959 | flow->dl_type = htons(FLOW_DL_TYPE_NONE); | |
2960 | } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) { | |
2961 | /* See comments in odp_flow_key_from_flow__(). */ | |
2962 | VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame"); | |
2963 | return false; | |
2964 | } | |
34118cae | 2965 | } |
b0f7b9b5 BP |
2966 | return true; |
2967 | } | |
2968 | ||
2969 | static enum odp_key_fitness | |
b02475c5 SH |
2970 | parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], |
2971 | uint64_t present_attrs, int out_of_range_attr, | |
2972 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 | 2973 | const struct nlattr *key, size_t key_len, |
91a77332 | 2974 | const struct flow *src_flow) |
b0f7b9b5 BP |
2975 | { |
2976 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 GY |
2977 | bool is_mask = src_flow != flow; |
2978 | const void *check_start = NULL; | |
2979 | size_t check_len = 0; | |
2980 | enum ovs_key_attr expected_bit = 0xff; | |
2981 | ||
2982 | if (eth_type_mpls(src_flow->dl_type)) { | |
8bfd0fda BP |
2983 | size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]); |
2984 | const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]); | |
2985 | int n = size / sizeof(ovs_be32); | |
2986 | int i; | |
2987 | ||
2988 | if (!size || size % sizeof(ovs_be32)) { | |
2989 | return ODP_FIT_ERROR; | |
2990 | } | |
2991 | ||
91a77332 GS |
2992 | if (!is_mask) { |
2993 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); | |
4a221615 | 2994 | |
91a77332 GS |
2995 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) { |
2996 | return ODP_FIT_TOO_LITTLE; | |
2997 | } | |
4a221615 | 2998 | } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) { |
8bfd0fda | 2999 | if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) { |
4a221615 GY |
3000 | return ODP_FIT_ERROR; |
3001 | } | |
3002 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS); | |
4a221615 | 3003 | } |
8bfd0fda BP |
3004 | |
3005 | for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) { | |
3006 | flow->mpls_lse[i] = mpls_lse[i]; | |
3007 | } | |
3008 | if (n > FLOW_MAX_MPLS_LABELS) { | |
3009 | return ODP_FIT_TOO_MUCH; | |
3010 | } | |
3011 | ||
3012 | if (!is_mask) { | |
3013 | /* BOS may be set only in the innermost label. */ | |
3014 | for (i = 0; i < n - 1; i++) { | |
3015 | if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) { | |
3016 | return ODP_FIT_ERROR; | |
3017 | } | |
3018 | } | |
3019 | ||
3020 | /* BOS must be set in the innermost label. */ | |
3021 | if (n < FLOW_MAX_MPLS_LABELS | |
3022 | && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) { | |
3023 | return ODP_FIT_TOO_LITTLE; | |
3024 | } | |
3025 | } | |
3026 | ||
4a221615 GY |
3027 | goto done; |
3028 | } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) { | |
3029 | if (!is_mask) { | |
3030 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4; | |
b02475c5 | 3031 | } |
fea393b1 | 3032 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) { |
34118cae | 3033 | const struct ovs_key_ipv4 *ipv4_key; |
36956a7d | 3034 | |
34118cae | 3035 | ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]); |
36956a7d BP |
3036 | flow->nw_src = ipv4_key->ipv4_src; |
3037 | flow->nw_dst = ipv4_key->ipv4_dst; | |
3038 | flow->nw_proto = ipv4_key->ipv4_proto; | |
eadef313 | 3039 | flow->nw_tos = ipv4_key->ipv4_tos; |
a61680c6 | 3040 | flow->nw_ttl = ipv4_key->ipv4_ttl; |
4a221615 | 3041 | if (is_mask) { |
91a77332 | 3042 | flow->nw_frag = ipv4_key->ipv4_frag; |
4a221615 GY |
3043 | check_start = ipv4_key; |
3044 | check_len = sizeof *ipv4_key; | |
3045 | expected_bit = OVS_KEY_ATTR_IPV4; | |
3046 | } else if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) { | |
b0f7b9b5 | 3047 | return ODP_FIT_ERROR; |
36956a7d | 3048 | } |
34118cae | 3049 | } |
4a221615 GY |
3050 | } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) { |
3051 | if (!is_mask) { | |
3052 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6; | |
3053 | } | |
fea393b1 | 3054 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) { |
34118cae | 3055 | const struct ovs_key_ipv6 *ipv6_key; |
36956a7d | 3056 | |
34118cae | 3057 | ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]); |
d31f1109 JP |
3058 | memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src); |
3059 | memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst); | |
fa8223b7 | 3060 | flow->ipv6_label = ipv6_key->ipv6_label; |
d31f1109 | 3061 | flow->nw_proto = ipv6_key->ipv6_proto; |
eadef313 | 3062 | flow->nw_tos = ipv6_key->ipv6_tclass; |
a61680c6 | 3063 | flow->nw_ttl = ipv6_key->ipv6_hlimit; |
4a221615 | 3064 | if (is_mask) { |
91a77332 | 3065 | flow->nw_frag = ipv6_key->ipv6_frag; |
4a221615 GY |
3066 | check_start = ipv6_key; |
3067 | check_len = sizeof *ipv6_key; | |
3068 | expected_bit = OVS_KEY_ATTR_IPV6; | |
3069 | } else if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) { | |
b0f7b9b5 | 3070 | return ODP_FIT_ERROR; |
d31f1109 | 3071 | } |
34118cae | 3072 | } |
4a221615 GY |
3073 | } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) || |
3074 | src_flow->dl_type == htons(ETH_TYPE_RARP)) { | |
3075 | if (!is_mask) { | |
3076 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP; | |
3077 | } | |
fea393b1 | 3078 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) { |
34118cae | 3079 | const struct ovs_key_arp *arp_key; |
d31f1109 | 3080 | |
34118cae | 3081 | arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]); |
36956a7d BP |
3082 | flow->nw_src = arp_key->arp_sip; |
3083 | flow->nw_dst = arp_key->arp_tip; | |
4a221615 | 3084 | if (!is_mask && (arp_key->arp_op & htons(0xff00))) { |
34118cae BP |
3085 | VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow " |
3086 | "key", ntohs(arp_key->arp_op)); | |
b0f7b9b5 | 3087 | return ODP_FIT_ERROR; |
36956a7d BP |
3088 | } |
3089 | flow->nw_proto = ntohs(arp_key->arp_op); | |
bad68a99 JP |
3090 | memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN); |
3091 | memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN); | |
4a221615 GY |
3092 | |
3093 | if (is_mask) { | |
3094 | check_start = arp_key; | |
3095 | check_len = sizeof *arp_key; | |
3096 | expected_bit = OVS_KEY_ATTR_ARP; | |
3097 | } | |
3098 | } | |
3099 | } else { | |
3100 | goto done; | |
3101 | } | |
df4eeb20 | 3102 | if (check_len > 0) { /* Happens only when 'is_mask'. */ |
4a221615 GY |
3103 | if (!is_all_zeros(check_start, check_len) && |
3104 | flow->dl_type != htons(0xffff)) { | |
3105 | return ODP_FIT_ERROR; | |
3106 | } else { | |
3107 | expected_attrs |= UINT64_C(1) << expected_bit; | |
36956a7d | 3108 | } |
36956a7d | 3109 | } |
36956a7d | 3110 | |
4a221615 GY |
3111 | expected_bit = OVS_KEY_ATTR_UNSPEC; |
3112 | if (src_flow->nw_proto == IPPROTO_TCP | |
3113 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
3114 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
3115 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
3116 | if (!is_mask) { | |
3117 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP; | |
3118 | } | |
fea393b1 | 3119 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) { |
34118cae | 3120 | const struct ovs_key_tcp *tcp_key; |
36956a7d | 3121 | |
34118cae BP |
3122 | tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]); |
3123 | flow->tp_src = tcp_key->tcp_src; | |
3124 | flow->tp_dst = tcp_key->tcp_dst; | |
4a221615 GY |
3125 | expected_bit = OVS_KEY_ATTR_TCP; |
3126 | } | |
dc235f7f JR |
3127 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) { |
3128 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS; | |
3129 | flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]); | |
3130 | } | |
4a221615 GY |
3131 | } else if (src_flow->nw_proto == IPPROTO_UDP |
3132 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
3133 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
3134 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
3135 | if (!is_mask) { | |
3136 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP; | |
7257b535 | 3137 | } |
fea393b1 | 3138 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) { |
34118cae BP |
3139 | const struct ovs_key_udp *udp_key; |
3140 | ||
3141 | udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]); | |
3142 | flow->tp_src = udp_key->udp_src; | |
3143 | flow->tp_dst = udp_key->udp_dst; | |
4a221615 GY |
3144 | expected_bit = OVS_KEY_ATTR_UDP; |
3145 | } | |
12848ebf GS |
3146 | } else if (src_flow->nw_proto == IPPROTO_SCTP |
3147 | && (src_flow->dl_type == htons(ETH_TYPE_IP) || | |
3148 | src_flow->dl_type == htons(ETH_TYPE_IPV6)) | |
3149 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
c6bcb685 JS |
3150 | if (!is_mask) { |
3151 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP; | |
3152 | } | |
3153 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) { | |
3154 | const struct ovs_key_sctp *sctp_key; | |
3155 | ||
3156 | sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]); | |
3157 | flow->tp_src = sctp_key->sctp_src; | |
3158 | flow->tp_dst = sctp_key->sctp_dst; | |
3159 | expected_bit = OVS_KEY_ATTR_SCTP; | |
3160 | } | |
4a221615 GY |
3161 | } else if (src_flow->nw_proto == IPPROTO_ICMP |
3162 | && src_flow->dl_type == htons(ETH_TYPE_IP) | |
3163 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
3164 | if (!is_mask) { | |
3165 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP; | |
d31f1109 | 3166 | } |
fea393b1 | 3167 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) { |
34118cae BP |
3168 | const struct ovs_key_icmp *icmp_key; |
3169 | ||
3170 | icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]); | |
3171 | flow->tp_src = htons(icmp_key->icmp_type); | |
3172 | flow->tp_dst = htons(icmp_key->icmp_code); | |
4a221615 GY |
3173 | expected_bit = OVS_KEY_ATTR_ICMP; |
3174 | } | |
3175 | } else if (src_flow->nw_proto == IPPROTO_ICMPV6 | |
3176 | && src_flow->dl_type == htons(ETH_TYPE_IPV6) | |
3177 | && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) { | |
3178 | if (!is_mask) { | |
3179 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6; | |
685a51a5 | 3180 | } |
fea393b1 | 3181 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) { |
34118cae BP |
3182 | const struct ovs_key_icmpv6 *icmpv6_key; |
3183 | ||
3184 | icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]); | |
3185 | flow->tp_src = htons(icmpv6_key->icmpv6_type); | |
3186 | flow->tp_dst = htons(icmpv6_key->icmpv6_code); | |
4a221615 | 3187 | expected_bit = OVS_KEY_ATTR_ICMPV6; |
6f8dbd27 GY |
3188 | if (src_flow->tp_dst == htons(0) && |
3189 | (src_flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) || | |
3190 | src_flow->tp_src == htons(ND_NEIGHBOR_ADVERT))) { | |
4a221615 GY |
3191 | if (!is_mask) { |
3192 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
3193 | } | |
fea393b1 | 3194 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) { |
34118cae BP |
3195 | const struct ovs_key_nd *nd_key; |
3196 | ||
3197 | nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]); | |
3198 | memcpy(&flow->nd_target, nd_key->nd_target, | |
3199 | sizeof flow->nd_target); | |
3200 | memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN); | |
3201 | memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN); | |
4a221615 GY |
3202 | if (is_mask) { |
3203 | if (!is_all_zeros((const uint8_t *) nd_key, | |
3204 | sizeof *nd_key) && | |
6f8dbd27 GY |
3205 | (flow->tp_src != htons(0xffff) || |
3206 | flow->tp_dst != htons(0xffff))) { | |
4a221615 GY |
3207 | return ODP_FIT_ERROR; |
3208 | } else { | |
3209 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND; | |
3210 | } | |
3211 | } | |
34118cae BP |
3212 | } |
3213 | } | |
7257b535 | 3214 | } |
34118cae | 3215 | } |
4a221615 GY |
3216 | if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) { |
3217 | if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) { | |
3218 | return ODP_FIT_ERROR; | |
3219 | } else { | |
3220 | expected_attrs |= UINT64_C(1) << expected_bit; | |
3221 | } | |
3222 | } | |
7257b535 | 3223 | |
4a221615 | 3224 | done: |
b0f7b9b5 BP |
3225 | return check_expectations(present_attrs, out_of_range_attr, expected_attrs, |
3226 | key, key_len); | |
3227 | } | |
3228 | ||
3229 | /* Parse 802.1Q header then encapsulated L3 attributes. */ | |
3230 | static enum odp_key_fitness | |
3231 | parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1], | |
3232 | uint64_t present_attrs, int out_of_range_attr, | |
3233 | uint64_t expected_attrs, struct flow *flow, | |
4a221615 GY |
3234 | const struct nlattr *key, size_t key_len, |
3235 | const struct flow *src_flow) | |
b0f7b9b5 BP |
3236 | { |
3237 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4a221615 | 3238 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
3239 | |
3240 | const struct nlattr *encap | |
3241 | = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP) | |
3242 | ? attrs[OVS_KEY_ATTR_ENCAP] : NULL); | |
3243 | enum odp_key_fitness encap_fitness; | |
3244 | enum odp_key_fitness fitness; | |
b0f7b9b5 | 3245 | |
ec9f40dc | 3246 | /* Calculate fitness of outer attributes. */ |
4a221615 GY |
3247 | if (!is_mask) { |
3248 | expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) | | |
3249 | (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)); | |
3250 | } else { | |
3251 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
3252 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
3253 | } | |
3254 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) { | |
3255 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP); | |
3256 | } | |
3257 | } | |
b0f7b9b5 BP |
3258 | fitness = check_expectations(present_attrs, out_of_range_attr, |
3259 | expected_attrs, key, key_len); | |
3260 | ||
3e634810 BP |
3261 | /* Set vlan_tci. |
3262 | * Remove the TPID from dl_type since it's not the real Ethertype. */ | |
3263 | flow->dl_type = htons(0); | |
3264 | flow->vlan_tci = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN) | |
3265 | ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]) | |
3266 | : htons(0)); | |
3267 | if (!is_mask) { | |
3268 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) { | |
3269 | return ODP_FIT_TOO_LITTLE; | |
3270 | } else if (flow->vlan_tci == htons(0)) { | |
3271 | /* Corner case for a truncated 802.1Q header. */ | |
3272 | if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) { | |
3273 | return ODP_FIT_TOO_MUCH; | |
3274 | } | |
3275 | return fitness; | |
3276 | } else if (!(flow->vlan_tci & htons(VLAN_CFI))) { | |
3277 | VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero " | |
3278 | "but CFI bit is not set", ntohs(flow->vlan_tci)); | |
3279 | return ODP_FIT_ERROR; | |
3280 | } | |
4a221615 | 3281 | } else { |
3e634810 BP |
3282 | if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) { |
3283 | return fitness; | |
4a221615 | 3284 | } |
4a221615 GY |
3285 | } |
3286 | ||
b0f7b9b5 BP |
3287 | /* Now parse the encapsulated attributes. */ |
3288 | if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap), | |
3289 | attrs, &present_attrs, &out_of_range_attr)) { | |
3290 | return ODP_FIT_ERROR; | |
3291 | } | |
3292 | expected_attrs = 0; | |
3293 | ||
4a221615 | 3294 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, src_flow)) { |
b0f7b9b5 BP |
3295 | return ODP_FIT_ERROR; |
3296 | } | |
b02475c5 | 3297 | encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
3298 | expected_attrs, flow, key, key_len, |
3299 | src_flow); | |
b0f7b9b5 BP |
3300 | |
3301 | /* The overall fitness is the worse of the outer and inner attributes. */ | |
3302 | return MAX(fitness, encap_fitness); | |
3303 | } | |
3304 | ||
4a221615 GY |
3305 | static enum odp_key_fitness |
3306 | odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len, | |
3307 | struct flow *flow, const struct flow *src_flow) | |
b0f7b9b5 | 3308 | { |
b0f7b9b5 BP |
3309 | const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1]; |
3310 | uint64_t expected_attrs; | |
3311 | uint64_t present_attrs; | |
3312 | int out_of_range_attr; | |
4a221615 | 3313 | bool is_mask = src_flow != flow; |
b0f7b9b5 BP |
3314 | |
3315 | memset(flow, 0, sizeof *flow); | |
3316 | ||
3317 | /* Parse attributes. */ | |
3318 | if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs, | |
3319 | &out_of_range_attr)) { | |
3320 | return ODP_FIT_ERROR; | |
3321 | } | |
3322 | expected_attrs = 0; | |
3323 | ||
3324 | /* Metadata. */ | |
572f732a AZ |
3325 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) { |
3326 | flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]); | |
3327 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID; | |
3328 | } else if (is_mask) { | |
8c1b077f | 3329 | /* Always exact match recirc_id if it is not specified. */ |
572f732a AZ |
3330 | flow->recirc_id = UINT32_MAX; |
3331 | } | |
3332 | ||
3333 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) { | |
3334 | flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]); | |
3335 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH; | |
3336 | } | |
b0f7b9b5 | 3337 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) { |
deedf7e7 | 3338 | flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]); |
b0f7b9b5 BP |
3339 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY; |
3340 | } | |
3341 | ||
72e8bf28 | 3342 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) { |
1362e248 | 3343 | flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]); |
72e8bf28 AA |
3344 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK; |
3345 | } | |
3346 | ||
9b405f1a PS |
3347 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) { |
3348 | enum odp_key_fitness res; | |
05fb0928 | 3349 | |
617e10e7 | 3350 | res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel); |
9b405f1a PS |
3351 | if (res == ODP_FIT_ERROR) { |
3352 | return ODP_FIT_ERROR; | |
3353 | } else if (res == ODP_FIT_PERFECT) { | |
3354 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL; | |
05fb0928 JR |
3355 | } |
3356 | } | |
3357 | ||
b0f7b9b5 | 3358 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) { |
4e022ec0 AW |
3359 | flow->in_port.odp_port |
3360 | = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]); | |
b0f7b9b5 | 3361 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT; |
4a221615 | 3362 | } else if (!is_mask) { |
4e022ec0 | 3363 | flow->in_port.odp_port = ODPP_NONE; |
b0f7b9b5 BP |
3364 | } |
3365 | ||
3366 | /* Ethernet header. */ | |
3367 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) { | |
3368 | const struct ovs_key_ethernet *eth_key; | |
3369 | ||
3370 | eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]); | |
3371 | memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN); | |
3372 | memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN); | |
4a221615 GY |
3373 | if (is_mask) { |
3374 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; | |
3375 | } | |
3376 | } | |
3377 | if (!is_mask) { | |
3378 | expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET; | |
b0f7b9b5 | 3379 | } |
b0f7b9b5 BP |
3380 | |
3381 | /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */ | |
4a221615 GY |
3382 | if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, |
3383 | src_flow)) { | |
b0f7b9b5 BP |
3384 | return ODP_FIT_ERROR; |
3385 | } | |
3386 | ||
21e70add BP |
3387 | if (is_mask |
3388 | ? (src_flow->vlan_tci & htons(VLAN_CFI)) != 0 | |
3389 | : src_flow->dl_type == htons(ETH_TYPE_VLAN)) { | |
b0f7b9b5 | 3390 | return parse_8021q_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
3391 | expected_attrs, flow, key, key_len, src_flow); |
3392 | } | |
3393 | if (is_mask) { | |
3394 | flow->vlan_tci = htons(0xffff); | |
3395 | if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) { | |
3396 | flow->vlan_tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]); | |
3397 | expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN); | |
3398 | } | |
b0f7b9b5 | 3399 | } |
b02475c5 | 3400 | return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr, |
4a221615 GY |
3401 | expected_attrs, flow, key, key_len, src_flow); |
3402 | } | |
3403 | ||
3404 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow | |
3405 | * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well | |
3406 | * 'key' fits our expectations for what a flow key should contain. | |
3407 | * | |
3408 | * The 'in_port' will be the datapath's understanding of the port. The | |
3409 | * caller will need to translate with odp_port_to_ofp_port() if the | |
3410 | * OpenFlow port is needed. | |
3411 | * | |
3412 | * This function doesn't take the packet itself as an argument because none of | |
3413 | * the currently understood OVS_KEY_ATTR_* attributes require it. Currently, | |
3414 | * it is always possible to infer which additional attribute(s) should appear | |
3415 | * by looking at the attributes for lower-level protocols, e.g. if the network | |
3416 | * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we | |
3417 | * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it | |
3418 | * must be absent. */ | |
3419 | enum odp_key_fitness | |
3420 | odp_flow_key_to_flow(const struct nlattr *key, size_t key_len, | |
3421 | struct flow *flow) | |
3422 | { | |
3423 | return odp_flow_key_to_flow__(key, key_len, flow, flow); | |
3424 | } | |
3425 | ||
3426 | /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask | |
3427 | * structure in 'mask'. 'flow' must be a previously translated flow | |
3428 | * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well | |
3429 | * 'key' fits our expectations for what a flow key should contain. */ | |
3430 | enum odp_key_fitness | |
3431 | odp_flow_key_to_mask(const struct nlattr *key, size_t key_len, | |
3432 | struct flow *mask, const struct flow *flow) | |
3433 | { | |
3434 | return odp_flow_key_to_flow__(key, key_len, mask, flow); | |
14608a15 | 3435 | } |
39db78a0 | 3436 | |
6814e51f BP |
3437 | /* Returns 'fitness' as a string, for use in debug messages. */ |
3438 | const char * | |
3439 | odp_key_fitness_to_string(enum odp_key_fitness fitness) | |
3440 | { | |
3441 | switch (fitness) { | |
3442 | case ODP_FIT_PERFECT: | |
3443 | return "OK"; | |
3444 | case ODP_FIT_TOO_MUCH: | |
3445 | return "too_much"; | |
3446 | case ODP_FIT_TOO_LITTLE: | |
3447 | return "too_little"; | |
3448 | case ODP_FIT_ERROR: | |
3449 | return "error"; | |
3450 | default: | |
3451 | return "<unknown>"; | |
3452 | } | |
3453 | } | |
3454 | ||
39db78a0 | 3455 | /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies |
e995e3df BP |
3456 | * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute |
3457 | * whose contents are the 'userdata_size' bytes at 'userdata' and returns the | |
3458 | * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is | |
3459 | * null, then the return value is not meaningful.) */ | |
39db78a0 | 3460 | size_t |
e995e3df BP |
3461 | odp_put_userspace_action(uint32_t pid, |
3462 | const void *userdata, size_t userdata_size, | |
39db78a0 BP |
3463 | struct ofpbuf *odp_actions) |
3464 | { | |
e995e3df | 3465 | size_t userdata_ofs; |
39db78a0 BP |
3466 | size_t offset; |
3467 | ||
3468 | offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE); | |
3469 | nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid); | |
e995e3df | 3470 | if (userdata) { |
1f317cb5 | 3471 | userdata_ofs = ofpbuf_size(odp_actions) + NLA_HDRLEN; |
96ed775f BP |
3472 | |
3473 | /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel | |
3474 | * module before Linux 3.10 required the userdata to be exactly 8 bytes | |
3475 | * long: | |
3476 | * | |
3477 | * - The kernel rejected shorter userdata with -ERANGE. | |
3478 | * | |
3479 | * - The kernel silently dropped userdata beyond the first 8 bytes. | |
3480 | * | |
3481 | * Thus, for maximum compatibility, always put at least 8 bytes. (We | |
3482 | * separately disable features that required more than 8 bytes.) */ | |
3483 | memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA, | |
3484 | MAX(8, userdata_size)), | |
3485 | userdata, userdata_size); | |
e995e3df BP |
3486 | } else { |
3487 | userdata_ofs = 0; | |
39db78a0 BP |
3488 | } |
3489 | nl_msg_end_nested(odp_actions, offset); | |
3490 | ||
e995e3df | 3491 | return userdata_ofs; |
39db78a0 | 3492 | } |
b9ad7294 EJ |
3493 | |
3494 | void | |
3495 | odp_put_tunnel_action(const struct flow_tnl *tunnel, | |
3496 | struct ofpbuf *odp_actions) | |
3497 | { | |
3498 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
3499 | tun_key_to_attr(odp_actions, tunnel); | |
3500 | nl_msg_end_nested(odp_actions, offset); | |
3501 | } | |
5bbda0aa EJ |
3502 | \f |
3503 | /* The commit_odp_actions() function and its helpers. */ | |
3504 | ||
3505 | static void | |
3506 | commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type, | |
3507 | const void *key, size_t key_size) | |
3508 | { | |
3509 | size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET); | |
3510 | nl_msg_put_unspec(odp_actions, key_type, key, key_size); | |
3511 | nl_msg_end_nested(odp_actions, offset); | |
3512 | } | |
3513 | ||
09a0d2e7 | 3514 | void |
1362e248 | 3515 | odp_put_pkt_mark_action(const uint32_t pkt_mark, |
09a0d2e7 AA |
3516 | struct ofpbuf *odp_actions) |
3517 | { | |
1362e248 JG |
3518 | commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &pkt_mark, |
3519 | sizeof(pkt_mark)); | |
09a0d2e7 AA |
3520 | } |
3521 | ||
b9ad7294 EJ |
3522 | /* If any of the flow key data that ODP actions can modify are different in |
3523 | * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to | |
3524 | * 'odp_actions' that change the flow tunneling information in key from | |
3525 | * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the | |
3526 | * same way. In other words, operates the same as commit_odp_actions(), but | |
3527 | * only on tunneling information. */ | |
3528 | void | |
3529 | commit_odp_tunnel_action(const struct flow *flow, struct flow *base, | |
5bbda0aa EJ |
3530 | struct ofpbuf *odp_actions) |
3531 | { | |
05fb0928 JR |
3532 | /* A valid IPV4_TUNNEL must have non-zero ip_dst. */ |
3533 | if (flow->tunnel.ip_dst) { | |
fc80de30 JR |
3534 | if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) { |
3535 | return; | |
3536 | } | |
3537 | memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel); | |
b9ad7294 | 3538 | odp_put_tunnel_action(&base->tunnel, odp_actions); |
05fb0928 | 3539 | } |
5bbda0aa EJ |
3540 | } |
3541 | ||
3542 | static void | |
3543 | commit_set_ether_addr_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
3544 | struct ofpbuf *odp_actions, |
3545 | struct flow_wildcards *wc) | |
5bbda0aa EJ |
3546 | { |
3547 | struct ovs_key_ethernet eth_key; | |
3548 | ||
3549 | if (eth_addr_equals(base->dl_src, flow->dl_src) && | |
3550 | eth_addr_equals(base->dl_dst, flow->dl_dst)) { | |
3551 | return; | |
3552 | } | |
3553 | ||
1dd35f8a JP |
3554 | memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src); |
3555 | memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst); | |
3556 | ||
5bbda0aa EJ |
3557 | memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN); |
3558 | memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN); | |
3559 | ||
3560 | memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN); | |
3561 | memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN); | |
3562 | ||
3563 | commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET, | |
3564 | ð_key, sizeof(eth_key)); | |
3565 | } | |
3566 | ||
3567 | static void | |
8bfd0fda BP |
3568 | pop_vlan(struct flow *base, |
3569 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
5bbda0aa | 3570 | { |
1dd35f8a JP |
3571 | memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci); |
3572 | ||
5bbda0aa EJ |
3573 | if (base->vlan_tci & htons(VLAN_CFI)) { |
3574 | nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN); | |
8bfd0fda BP |
3575 | base->vlan_tci = 0; |
3576 | } | |
3577 | } | |
3578 | ||
3579 | static void | |
3580 | commit_vlan_action(ovs_be16 vlan_tci, struct flow *base, | |
3581 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
3582 | { | |
3583 | if (base->vlan_tci == vlan_tci) { | |
3584 | return; | |
5bbda0aa EJ |
3585 | } |
3586 | ||
8bfd0fda | 3587 | pop_vlan(base, odp_actions, wc); |
8fd16af2 | 3588 | if (vlan_tci & htons(VLAN_CFI)) { |
5bbda0aa EJ |
3589 | struct ovs_action_push_vlan vlan; |
3590 | ||
3591 | vlan.vlan_tpid = htons(ETH_TYPE_VLAN); | |
8fd16af2 | 3592 | vlan.vlan_tci = vlan_tci; |
5bbda0aa EJ |
3593 | nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN, |
3594 | &vlan, sizeof vlan); | |
3595 | } | |
8fd16af2 | 3596 | base->vlan_tci = vlan_tci; |
5bbda0aa EJ |
3597 | } |
3598 | ||
b02475c5 SH |
3599 | static void |
3600 | commit_mpls_action(const struct flow *flow, struct flow *base, | |
8bfd0fda | 3601 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
b02475c5 | 3602 | { |
8bfd0fda BP |
3603 | int base_n = flow_count_mpls_labels(base, wc); |
3604 | int flow_n = flow_count_mpls_labels(flow, wc); | |
3605 | int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n, | |
3606 | wc); | |
3607 | ||
3608 | while (base_n > common_n) { | |
3609 | if (base_n - 1 == common_n && flow_n > common_n) { | |
3610 | /* If there is only one more LSE in base than there are common | |
3611 | * between base and flow; and flow has at least one more LSE than | |
3612 | * is common then the topmost LSE of base may be updated using | |
3613 | * set */ | |
3614 | struct ovs_key_mpls mpls_key; | |
3615 | ||
3616 | mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n]; | |
3617 | commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS, | |
3618 | &mpls_key, sizeof mpls_key); | |
3619 | flow_set_mpls_lse(base, 0, mpls_key.mpls_lse); | |
3620 | common_n++; | |
3621 | } else { | |
3622 | /* Otherwise, if there more LSEs in base than are common between | |
3623 | * base and flow then pop the topmost one. */ | |
3624 | ovs_be16 dl_type; | |
3625 | bool popped; | |
3626 | ||
3627 | /* If all the LSEs are to be popped and this is not the outermost | |
3628 | * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the | |
3629 | * POP_MPLS action instead of flow->dl_type. | |
3630 | * | |
3631 | * This is because the POP_MPLS action requires its ethertype | |
3632 | * argument to be an MPLS ethernet type but in this case | |
3633 | * flow->dl_type will be a non-MPLS ethernet type. | |
3634 | * | |
3635 | * When the final POP_MPLS action occurs it use flow->dl_type and | |
3636 | * the and the resulting packet will have the desired dl_type. */ | |
3637 | if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) { | |
3638 | dl_type = htons(ETH_TYPE_MPLS); | |
3639 | } else { | |
3640 | dl_type = flow->dl_type; | |
3641 | } | |
3642 | nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type); | |
3643 | popped = flow_pop_mpls(base, base_n, flow->dl_type, wc); | |
3644 | ovs_assert(popped); | |
3645 | base_n--; | |
3646 | } | |
b02475c5 SH |
3647 | } |
3648 | ||
8bfd0fda BP |
3649 | /* If, after the above popping and setting, there are more LSEs in flow |
3650 | * than base then some LSEs need to be pushed. */ | |
3651 | while (base_n < flow_n) { | |
b02475c5 SH |
3652 | struct ovs_action_push_mpls *mpls; |
3653 | ||
8bfd0fda BP |
3654 | mpls = nl_msg_put_unspec_zero(odp_actions, |
3655 | OVS_ACTION_ATTR_PUSH_MPLS, | |
9ddf12cc | 3656 | sizeof *mpls); |
b02475c5 | 3657 | mpls->mpls_ethertype = flow->dl_type; |
8bfd0fda BP |
3658 | mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1]; |
3659 | flow_push_mpls(base, base_n, mpls->mpls_ethertype, wc); | |
3660 | flow_set_mpls_lse(base, 0, mpls->mpls_lse); | |
3661 | base_n++; | |
b0a17866 | 3662 | } |
b02475c5 SH |
3663 | } |
3664 | ||
5bbda0aa | 3665 | static void |
c4f2731d | 3666 | commit_set_ipv4_action(const struct flow *flow, struct flow *base, |
1dd35f8a | 3667 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa EJ |
3668 | { |
3669 | struct ovs_key_ipv4 ipv4_key; | |
3670 | ||
5bbda0aa EJ |
3671 | if (base->nw_src == flow->nw_src && |
3672 | base->nw_dst == flow->nw_dst && | |
3673 | base->nw_tos == flow->nw_tos && | |
3674 | base->nw_ttl == flow->nw_ttl && | |
3675 | base->nw_frag == flow->nw_frag) { | |
3676 | return; | |
3677 | } | |
3678 | ||
1dd35f8a JP |
3679 | memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src); |
3680 | memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst); | |
3681 | memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos); | |
3682 | memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl); | |
3683 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3684 | memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag); | |
3685 | ||
5bbda0aa EJ |
3686 | ipv4_key.ipv4_src = base->nw_src = flow->nw_src; |
3687 | ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst; | |
3688 | ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos; | |
3689 | ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl; | |
3690 | ipv4_key.ipv4_proto = base->nw_proto; | |
c4f2731d | 3691 | ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag); |
5bbda0aa EJ |
3692 | |
3693 | commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4, | |
3694 | &ipv4_key, sizeof(ipv4_key)); | |
3695 | } | |
3696 | ||
c4f2731d PS |
3697 | static void |
3698 | commit_set_ipv6_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3699 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
c4f2731d PS |
3700 | { |
3701 | struct ovs_key_ipv6 ipv6_key; | |
3702 | ||
3703 | if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) && | |
3704 | ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) && | |
3705 | base->ipv6_label == flow->ipv6_label && | |
3706 | base->nw_tos == flow->nw_tos && | |
3707 | base->nw_ttl == flow->nw_ttl && | |
3708 | base->nw_frag == flow->nw_frag) { | |
3709 | return; | |
3710 | } | |
3711 | ||
1dd35f8a JP |
3712 | memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src); |
3713 | memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst); | |
3714 | memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label); | |
3715 | memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos); | |
3716 | memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl); | |
3717 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3718 | memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag); | |
3719 | ||
c4f2731d PS |
3720 | base->ipv6_src = flow->ipv6_src; |
3721 | memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src)); | |
3722 | base->ipv6_dst = flow->ipv6_dst; | |
3723 | memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst)); | |
3724 | ||
3725 | ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label; | |
3726 | ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos; | |
3727 | ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl; | |
3728 | ipv6_key.ipv6_proto = base->nw_proto; | |
3729 | ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag); | |
3730 | ||
3731 | commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6, | |
3732 | &ipv6_key, sizeof(ipv6_key)); | |
3733 | } | |
3734 | ||
f6c8a6b1 BP |
3735 | static enum slow_path_reason |
3736 | commit_set_arp_action(const struct flow *flow, struct flow *base, | |
3737 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) | |
3738 | { | |
3739 | struct ovs_key_arp arp_key; | |
3740 | ||
3741 | if (base->nw_src == flow->nw_src && | |
3742 | base->nw_dst == flow->nw_dst && | |
3743 | base->nw_proto == flow->nw_proto && | |
3744 | eth_addr_equals(base->arp_sha, flow->arp_sha) && | |
3745 | eth_addr_equals(base->arp_tha, flow->arp_tha)) { | |
3746 | return 0; | |
3747 | } | |
3748 | ||
3749 | memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src); | |
3750 | memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst); | |
3751 | memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto); | |
3752 | memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha); | |
3753 | memset(&wc->masks.arp_tha, 0xff, sizeof wc->masks.arp_tha); | |
3754 | ||
3755 | base->nw_src = flow->nw_src; | |
3756 | base->nw_dst = flow->nw_dst; | |
3757 | base->nw_proto = flow->nw_proto; | |
3758 | memcpy(base->arp_sha, flow->arp_sha, ETH_ADDR_LEN); | |
3759 | memcpy(base->arp_tha, flow->arp_tha, ETH_ADDR_LEN); | |
3760 | ||
3761 | arp_key.arp_sip = base->nw_src; | |
3762 | arp_key.arp_tip = base->nw_dst; | |
3763 | arp_key.arp_op = htons(base->nw_proto); | |
3764 | memcpy(arp_key.arp_sha, flow->arp_sha, ETH_ADDR_LEN); | |
3765 | memcpy(arp_key.arp_tha, flow->arp_tha, ETH_ADDR_LEN); | |
3766 | ||
3767 | commit_set_action(odp_actions, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key); | |
3768 | ||
3769 | return SLOW_ACTION; | |
3770 | } | |
3771 | ||
3772 | static enum slow_path_reason | |
c4f2731d | 3773 | commit_set_nw_action(const struct flow *flow, struct flow *base, |
1dd35f8a | 3774 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
c4f2731d | 3775 | { |
f6c8a6b1 | 3776 | /* Check if 'flow' really has an L3 header. */ |
c4f2731d | 3777 | if (!flow->nw_proto) { |
f6c8a6b1 | 3778 | return 0; |
c4f2731d PS |
3779 | } |
3780 | ||
f6c8a6b1 BP |
3781 | switch (ntohs(base->dl_type)) { |
3782 | case ETH_TYPE_IP: | |
1dd35f8a | 3783 | commit_set_ipv4_action(flow, base, odp_actions, wc); |
f6c8a6b1 BP |
3784 | break; |
3785 | ||
3786 | case ETH_TYPE_IPV6: | |
1dd35f8a | 3787 | commit_set_ipv6_action(flow, base, odp_actions, wc); |
f6c8a6b1 BP |
3788 | break; |
3789 | ||
3790 | case ETH_TYPE_ARP: | |
3791 | return commit_set_arp_action(flow, base, odp_actions, wc); | |
c4f2731d | 3792 | } |
f6c8a6b1 BP |
3793 | |
3794 | return 0; | |
c4f2731d PS |
3795 | } |
3796 | ||
5bbda0aa EJ |
3797 | static void |
3798 | commit_set_port_action(const struct flow *flow, struct flow *base, | |
1dd35f8a | 3799 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa | 3800 | { |
791a09be SH |
3801 | /* Check if 'flow' really has an L3 header. */ |
3802 | if (!flow->nw_proto) { | |
3803 | return; | |
3804 | } | |
3805 | ||
1b035ef2 | 3806 | if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) { |
5bbda0aa EJ |
3807 | return; |
3808 | } | |
3809 | ||
3810 | if (base->tp_src == flow->tp_src && | |
3811 | base->tp_dst == flow->tp_dst) { | |
3812 | return; | |
3813 | } | |
3814 | ||
1dd35f8a JP |
3815 | memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src); |
3816 | memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst); | |
3817 | ||
5bbda0aa EJ |
3818 | if (flow->nw_proto == IPPROTO_TCP) { |
3819 | struct ovs_key_tcp port_key; | |
3820 | ||
3821 | port_key.tcp_src = base->tp_src = flow->tp_src; | |
3822 | port_key.tcp_dst = base->tp_dst = flow->tp_dst; | |
3823 | ||
3824 | commit_set_action(odp_actions, OVS_KEY_ATTR_TCP, | |
3825 | &port_key, sizeof(port_key)); | |
3826 | ||
3827 | } else if (flow->nw_proto == IPPROTO_UDP) { | |
3828 | struct ovs_key_udp port_key; | |
3829 | ||
3830 | port_key.udp_src = base->tp_src = flow->tp_src; | |
3831 | port_key.udp_dst = base->tp_dst = flow->tp_dst; | |
3832 | ||
3833 | commit_set_action(odp_actions, OVS_KEY_ATTR_UDP, | |
3834 | &port_key, sizeof(port_key)); | |
c6bcb685 JS |
3835 | } else if (flow->nw_proto == IPPROTO_SCTP) { |
3836 | struct ovs_key_sctp port_key; | |
3837 | ||
3838 | port_key.sctp_src = base->tp_src = flow->tp_src; | |
3839 | port_key.sctp_dst = base->tp_dst = flow->tp_dst; | |
3840 | ||
3841 | commit_set_action(odp_actions, OVS_KEY_ATTR_SCTP, | |
3842 | &port_key, sizeof(port_key)); | |
5bbda0aa EJ |
3843 | } |
3844 | } | |
3845 | ||
3846 | static void | |
3847 | commit_set_priority_action(const struct flow *flow, struct flow *base, | |
1dd35f8a JP |
3848 | struct ofpbuf *odp_actions, |
3849 | struct flow_wildcards *wc) | |
5bbda0aa | 3850 | { |
deedf7e7 | 3851 | if (base->skb_priority == flow->skb_priority) { |
5bbda0aa EJ |
3852 | return; |
3853 | } | |
1dd35f8a JP |
3854 | |
3855 | memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority); | |
deedf7e7 | 3856 | base->skb_priority = flow->skb_priority; |
5bbda0aa EJ |
3857 | |
3858 | commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY, | |
deedf7e7 | 3859 | &base->skb_priority, sizeof(base->skb_priority)); |
5bbda0aa EJ |
3860 | } |
3861 | ||
72e8bf28 | 3862 | static void |
1362e248 | 3863 | commit_set_pkt_mark_action(const struct flow *flow, struct flow *base, |
1dd35f8a JP |
3864 | struct ofpbuf *odp_actions, |
3865 | struct flow_wildcards *wc) | |
72e8bf28 | 3866 | { |
1362e248 | 3867 | if (base->pkt_mark == flow->pkt_mark) { |
72e8bf28 AA |
3868 | return; |
3869 | } | |
1dd35f8a | 3870 | |
1362e248 JG |
3871 | memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark); |
3872 | base->pkt_mark = flow->pkt_mark; | |
72e8bf28 | 3873 | |
1362e248 | 3874 | odp_put_pkt_mark_action(base->pkt_mark, odp_actions); |
72e8bf28 | 3875 | } |
7fd91025 | 3876 | |
5bbda0aa EJ |
3877 | /* If any of the flow key data that ODP actions can modify are different in |
3878 | * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow | |
b9ad7294 EJ |
3879 | * key from 'base' into 'flow', and then changes 'base' the same way. Does not |
3880 | * commit set_tunnel actions. Users should call commit_odp_tunnel_action() | |
1dd35f8a | 3881 | * in addition to this function if needed. Sets fields in 'wc' that are |
7fd91025 BP |
3882 | * used as part of the action. |
3883 | * | |
3884 | * Returns a reason to force processing the flow's packets into the userspace | |
3885 | * slow path, if there is one, otherwise 0. */ | |
3886 | enum slow_path_reason | |
5bbda0aa | 3887 | commit_odp_actions(const struct flow *flow, struct flow *base, |
8bfd0fda | 3888 | struct ofpbuf *odp_actions, struct flow_wildcards *wc) |
5bbda0aa | 3889 | { |
f6c8a6b1 BP |
3890 | enum slow_path_reason slow; |
3891 | ||
1dd35f8a | 3892 | commit_set_ether_addr_action(flow, base, odp_actions, wc); |
f6c8a6b1 | 3893 | slow = commit_set_nw_action(flow, base, odp_actions, wc); |
1dd35f8a | 3894 | commit_set_port_action(flow, base, odp_actions, wc); |
8bfd0fda BP |
3895 | commit_mpls_action(flow, base, odp_actions, wc); |
3896 | commit_vlan_action(flow->vlan_tci, base, odp_actions, wc); | |
1dd35f8a | 3897 | commit_set_priority_action(flow, base, odp_actions, wc); |
1362e248 | 3898 | commit_set_pkt_mark_action(flow, base, odp_actions, wc); |
7fd91025 | 3899 | |
f6c8a6b1 | 3900 | return slow; |
5bbda0aa | 3901 | } |