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064af421 1/*
48cecbdc 2 * Copyright (c) 2009, 2010, 2011, 2012, 2013 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
40VLOG_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. */
50static const char *delimiters = ", \t\r\n";
51
e6cc0bab
AZ		 52static int parse_odp_key_mask_attr(const char *, const struct simap *port_names,
53 struct ofpbuf *, struct ofpbuf *);
54static 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 68static int
cdee00fd
BP		 69odp_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);
4edb9ae9 82 case OVS_ACTION_ATTR_SET: return -2;
98403001 83 case OVS_ACTION_ATTR_SAMPLE: return -2;
df2c07f4
JP		 84
85 case OVS_ACTION_ATTR_UNSPEC:
86 case __OVS_ACTION_ATTR_MAX:
cdee00fd
BP		 87 return -1;
88 }
89
90 return -1;
91}
92
e6603631
BP		 93/* Returns a string form of 'attr'. The return value is either a statically
94 * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize'
95 * should be at least OVS_KEY_ATTR_BUFSIZE. */
96enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 };
744791b5 97static const char *
e6603631 98ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize)
744791b5 99{
744791b5
BP		 100 switch (attr) {
101 case OVS_KEY_ATTR_UNSPEC: return "unspec";
fea393b1 102 case OVS_KEY_ATTR_ENCAP: return "encap";
1b567fb9 103 case OVS_KEY_ATTR_PRIORITY: return "skb_priority";
72e8bf28 104 case OVS_KEY_ATTR_SKB_MARK: return "skb_mark";
9b405f1a 105 case OVS_KEY_ATTR_TUNNEL: return "tunnel";
744791b5
BP		 106 case OVS_KEY_ATTR_IN_PORT: return "in_port";
107 case OVS_KEY_ATTR_ETHERNET: return "eth";
fea393b1 108 case OVS_KEY_ATTR_VLAN: return "vlan";
744791b5
BP		 109 case OVS_KEY_ATTR_ETHERTYPE: return "eth_type";
110 case OVS_KEY_ATTR_IPV4: return "ipv4";
111 case OVS_KEY_ATTR_IPV6: return "ipv6";
112 case OVS_KEY_ATTR_TCP: return "tcp";
dc235f7f 113 case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags";
744791b5 114 case OVS_KEY_ATTR_UDP: return "udp";
c6bcb685 115 case OVS_KEY_ATTR_SCTP: return "sctp";
744791b5
BP		 116 case OVS_KEY_ATTR_ICMP: return "icmp";
117 case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
118 case OVS_KEY_ATTR_ARP: return "arp";
119 case OVS_KEY_ATTR_ND: return "nd";
b02475c5 120 case OVS_KEY_ATTR_MPLS: return "mpls";
744791b5
BP		 121
122 case __OVS_KEY_ATTR_MAX:
123 default:
e6603631
BP		 124 snprintf(namebuf, bufsize, "key%u", (unsigned int) attr);
125 return namebuf;
744791b5
BP		 126 }
127}
128
cdee00fd
BP		 129static void
130format_generic_odp_action(struct ds *ds, const struct nlattr *a)
131{
8ba43fbd
BP		 132 size_t len = nl_attr_get_size(a);
133
cdee00fd 134 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
8ba43fbd 135 if (len) {
cdee00fd
BP		 136 const uint8_t *unspec;
137 unsigned int i;
138
139 unspec = nl_attr_get(a);
8ba43fbd 140 for (i = 0; i < len; i++) {
cdee00fd
BP		 141 ds_put_char(ds, i ? ' ': '(');
142 ds_put_format(ds, "%02x", unspec[i]);
143 }
144 ds_put_char(ds, ')');
145 }
146}
147
6ff686f2
PS		 148static void
149format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
150{
151 static const struct nl_policy ovs_sample_policy[] = {
3815d6c2
LS		 152 { NL_A_NO_ATTR, 0, 0, false }, /* OVS_SAMPLE_ATTR_UNSPEC */
153 { NL_A_U32, 0, 0, false }, /* OVS_SAMPLE_ATTR_PROBABILITY */
154 { NL_A_NESTED, 0, 0, false }, /* OVS_SAMPLE_ATTR_ACTIONS */
6ff686f2
PS		 155 };
156 struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
6ff686f2
PS		 157 double percentage;
158 const struct nlattr *nla_acts;
159 int len;
160
161 ds_put_cstr(ds, "sample");
162
5621afff 163 if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) {
6ff686f2
PS		 164 ds_put_cstr(ds, "(error)");
165 return;
166 }
167
168 percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) /
169 UINT32_MAX;
170
171 ds_put_format(ds, "(sample=%.1f%%,", percentage);
172
173 ds_put_cstr(ds, "actions(");
174 nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]);
175 len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]);
176 format_odp_actions(ds, nla_acts, len);
177 ds_put_format(ds, "))");
178}
179
6a7e895f 180static const char *
04594cd5 181slow_path_reason_to_string(uint32_t reason)
6a7e895f 182{
04594cd5
BP		 183 switch ((enum slow_path_reason) reason) {
184#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING;
185 SLOW_PATH_REASONS
186#undef SPR
6a7e895f 187 }
04594cd5
BP		 188
189 return NULL;
6a7e895f
BP		 190}
191
04594cd5
BP		 192const char *
193slow_path_reason_to_explanation(enum slow_path_reason reason)
98f0520f 194{
04594cd5
BP		 195 switch (reason) {
196#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION;
197 SLOW_PATH_REASONS
198#undef SPR
98f0520f
EJ		 199 }
200
04594cd5 201 return "<unknown>";
98f0520f
EJ		 202}
203
ec956fc7
PS		 204static int
205parse_flags(const char *s, const char *(*bit_to_string)(uint32_t),
206 uint32_t *res)
207{
208 uint32_t result = 0;
209 int n = 0;
210
211 if (s[n] != '(') {
212 return -EINVAL;
213 }
214 n++;
215
216 while (s[n] != ')') {
217 unsigned long long int flags;
218 uint32_t bit;
219 int n0;
220
c2c28dfd 221 if (ovs_scan(&s[n], "%lli%n", &flags, &n0)) {
ec956fc7
PS		 222 n += n0 + (s[n + n0] == ',');
223 result |= flags;
224 continue;
225 }
226
227 for (bit = 1; bit; bit <<= 1) {
228 const char *name = bit_to_string(bit);
229 size_t len;
230
231 if (!name) {
232 continue;
233 }
234
235 len = strlen(name);
236 if (!strncmp(s + n, name, len) &&
237 (s[n + len] == ',' || s[n + len] == ')')) {
238 result |= bit;
239 n += len + (s[n + len] == ',');
240 break;
241 }
242 }
243
244 if (!bit) {
245 return -EINVAL;
246 }
247 }
248 n++;
249
250 *res = result;
251 return n;
6a7e895f
BP		 252}
253
98403001
BP		 254static void
255format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
256{
257 static const struct nl_policy ovs_userspace_policy[] = {
3815d6c2
LS		 258 { NL_A_NO_ATTR, 0, 0, false }, /* OVS_USERSPACE_ATTR_UNSPEC */
259 { NL_A_U32, 0, 0, false }, /* OVS_USERSPACE_ATTR_PID */
260 { NL_A_UNSPEC, 0, 0, true }, /* OVS_USERSPACE_ATTR_USERDATA */
98403001
BP		 261 };
262 struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
e995e3df 263 const struct nlattr *userdata_attr;
98403001
BP		 264
265 if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) {
266 ds_put_cstr(ds, "userspace(error)");
267 return;
268 }
269
270 ds_put_format(ds, "userspace(pid=%"PRIu32,
271 nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID]));
272
e995e3df 273 userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA];
29089a54
RL		 274
275 if (userdata_attr) {
276 const uint8_t *userdata = nl_attr_get(userdata_attr);
277 size_t userdata_len = nl_attr_get_size(userdata_attr);
278 bool userdata_unspec = true;
1673e0e4 279 union user_action_cookie cookie;
98403001 280
29089a54
RL		 281 if (userdata_len >= sizeof cookie.type
282 && userdata_len <= sizeof cookie) {
283
284 memset(&cookie, 0, sizeof cookie);
285 memcpy(&cookie, userdata, userdata_len);
286
287 userdata_unspec = false;
288
289 if (userdata_len == sizeof cookie.sflow
290 && cookie.type == USER_ACTION_COOKIE_SFLOW) {
291 ds_put_format(ds, ",sFlow("
292 "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
293 vlan_tci_to_vid(cookie.sflow.vlan_tci),
294 vlan_tci_to_pcp(cookie.sflow.vlan_tci),
295 cookie.sflow.output);
296 } else if (userdata_len == sizeof cookie.slow_path
297 && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) {
04594cd5
BP		 298 ds_put_cstr(ds, ",slow_path(");
299 format_flags(ds, slow_path_reason_to_string,
300 cookie.slow_path.reason, ',');
301 ds_put_format(ds, ")");
29089a54
RL		 302 } else if (userdata_len == sizeof cookie.flow_sample
303 && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) {
304 ds_put_format(ds, ",flow_sample(probability=%"PRIu16
305 ",collector_set_id=%"PRIu32
306 ",obs_domain_id=%"PRIu32
307 ",obs_point_id=%"PRIu32")",
308 cookie.flow_sample.probability,
309 cookie.flow_sample.collector_set_id,
310 cookie.flow_sample.obs_domain_id,
311 cookie.flow_sample.obs_point_id);
b075a9b8 312 } else if (userdata_len >= sizeof cookie.ipfix
29089a54
RL		 313 && cookie.type == USER_ACTION_COOKIE_IPFIX) {
314 ds_put_format(ds, ",ipfix");
315 } else {
316 userdata_unspec = true;
317 }
98403001 318 }
e995e3df 319
29089a54
RL		 320 if (userdata_unspec) {
321 size_t i;
322 ds_put_format(ds, ",userdata(");
323 for (i = 0; i < userdata_len; i++) {
324 ds_put_format(ds, "%02x", userdata[i]);
325 }
326 ds_put_char(ds, ')');
e995e3df 327 }
98403001
BP		 328 }
329
330 ds_put_char(ds, ')');
331}
332
8ddc056d
BP		 333static void
334format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci)
335{
336 ds_put_format(ds, "vid=%"PRIu16",pcp=%d",
337 vlan_tci_to_vid(vlan_tci),
338 vlan_tci_to_pcp(vlan_tci));
339 if (!(vlan_tci & htons(VLAN_CFI))) {
340 ds_put_cstr(ds, ",cfi=0");
341 }
342}
343
b02475c5
SH		 344static void
345format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse)
346{
347 ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d",
348 mpls_lse_to_label(mpls_lse),
349 mpls_lse_to_tc(mpls_lse),
350 mpls_lse_to_ttl(mpls_lse),
351 mpls_lse_to_bos(mpls_lse));
352}
353
e6cc0bab
AZ		 354static void
355format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key,
356 const struct ovs_key_mpls *mpls_mask)
357{
358 ovs_be32 key = mpls_key->mpls_lse;
359
360 if (mpls_mask == NULL) {
361 format_mpls_lse(ds, key);
362 } else {
363 ovs_be32 mask = mpls_mask->mpls_lse;
364
365 ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x",
366 mpls_lse_to_label(key), mpls_lse_to_label(mask),
367 mpls_lse_to_tc(key), mpls_lse_to_tc(mask),
368 mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask),
369 mpls_lse_to_bos(key), mpls_lse_to_bos(mask));
370 }
371}
372
4edb9ae9 373static void
cdee00fd 374format_odp_action(struct ds *ds, const struct nlattr *a)
064af421 375{
98403001 376 int expected_len;
4edb9ae9 377 enum ovs_action_attr type = nl_attr_type(a);
fea393b1 378 const struct ovs_action_push_vlan *vlan;
cdee00fd 379
98403001
BP		 380 expected_len = odp_action_len(nl_attr_type(a));
381 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
34582733 382 ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ",
98403001 383 nl_attr_get_size(a), expected_len);
cdee00fd
BP		 384 format_generic_odp_action(ds, a);
385 return;
386 }
387
4edb9ae9 388 switch (type) {
df2c07f4 389 case OVS_ACTION_ATTR_OUTPUT:
26ce7705 390 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
064af421 391 break;
df2c07f4 392 case OVS_ACTION_ATTR_USERSPACE:
98403001 393 format_odp_userspace_action(ds, a);
064af421 394 break;
4edb9ae9
PS		 395 case OVS_ACTION_ATTR_SET:
396 ds_put_cstr(ds, "set(");
0a37839c 397 format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true);
4edb9ae9 398 ds_put_cstr(ds, ")");
064af421 399 break;
fea393b1
BP		 400 case OVS_ACTION_ATTR_PUSH_VLAN:
401 vlan = nl_attr_get(a);
402 ds_put_cstr(ds, "push_vlan(");
403 if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) {
404 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid));
405 }
8ddc056d
BP		 406 format_vlan_tci(ds, vlan->vlan_tci);
407 ds_put_char(ds, ')');
064af421 408 break;
fea393b1
BP		 409 case OVS_ACTION_ATTR_POP_VLAN:
410 ds_put_cstr(ds, "pop_vlan");
064af421 411 break;
b02475c5
SH		 412 case OVS_ACTION_ATTR_PUSH_MPLS: {
413 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
414 ds_put_cstr(ds, "push_mpls(");
415 format_mpls_lse(ds, mpls->mpls_lse);
416 ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype));
417 break;
418 }
419 case OVS_ACTION_ATTR_POP_MPLS: {
420 ovs_be16 ethertype = nl_attr_get_be16(a);
421 ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype));
422 break;
423 }
6ff686f2
PS		 424 case OVS_ACTION_ATTR_SAMPLE:
425 format_odp_sample_action(ds, a);
426 break;
4edb9ae9
PS		 427 case OVS_ACTION_ATTR_UNSPEC:
428 case __OVS_ACTION_ATTR_MAX:
064af421 429 default:
cdee00fd 430 format_generic_odp_action(ds, a);
064af421
BP		 431 break;
432 }
433}
434
435void
cdee00fd 436format_odp_actions(struct ds *ds, const struct nlattr *actions,
cf22f8cb 437 size_t actions_len)
064af421 438{
cdee00fd
BP		 439 if (actions_len) {
440 const struct nlattr *a;
441 unsigned int left;
442
443 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
444 if (a != actions) {
445 ds_put_char(ds, ',');
446 }
447 format_odp_action(ds, a);
064af421 448 }
cdee00fd 449 if (left) {
3a8cfc50
BP		 450 int i;
451
3476fce3
BP		 452 if (left == actions_len) {
453 ds_put_cstr(ds, "<empty>");
454 }
3a8cfc50
BP		 455 ds_put_format(ds, ",***%u leftover bytes*** (", left);
456 for (i = 0; i < left; i++) {
457 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
458 }
459 ds_put_char(ds, ')');
cdee00fd
BP		 460 }
461 } else {
064af421
BP		 462 ds_put_cstr(ds, "drop");
463 }
464}
7202cbe5
BP		 465
466static int
44bac24b 467parse_odp_action(const char *s, const struct simap *port_names,
7202cbe5
BP		 468 struct ofpbuf *actions)
469{
7202cbe5 470 {
c2c28dfd
BP		 471 uint32_t port;
472 int n;
7202cbe5 473
c2c28dfd 474 if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) {
7202cbe5
BP		 475 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port);
476 return n;
477 }
478 }
479
480 if (port_names) {
481 int len = strcspn(s, delimiters);
44bac24b 482 struct simap_node *node;
7202cbe5 483
44bac24b 484 node = simap_find_len(port_names, s, len);
7202cbe5 485 if (node) {
44bac24b 486 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data);
7202cbe5
BP		 487 return len;
488 }
489 }
490
491 {
c2c28dfd
BP		 492 uint32_t pid;
493 uint32_t output;
494 uint32_t probability;
495 uint32_t collector_set_id;
496 uint32_t obs_domain_id;
497 uint32_t obs_point_id;
7202cbe5
BP		 498 int vid, pcp;
499 int n = -1;
500
c2c28dfd 501 if (ovs_scan(s, "userspace(pid=%"SCNi32")%n", &pid, &n)) {
e995e3df 502 odp_put_userspace_action(pid, NULL, 0, actions);
7202cbe5 503 return n;
c2c28dfd
BP		 504 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",sFlow(vid=%i,"
505 "pcp=%i,output=%"SCNi32"))%n",
506 &pid, &vid, &pcp, &output, &n)) {
1673e0e4 507 union user_action_cookie cookie;
7202cbe5
BP		 508 uint16_t tci;
509
510 tci = vid | (pcp << VLAN_PCP_SHIFT);
511 if (tci) {
512 tci |= VLAN_CFI;
513 }
514
515 cookie.type = USER_ACTION_COOKIE_SFLOW;
1673e0e4
BP		 516 cookie.sflow.vlan_tci = htons(tci);
517 cookie.sflow.output = output;
29089a54
RL		 518 odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow,
519 actions);
6a7e895f 520 return n;
c2c28dfd
BP		 521 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",slow_path%n",
522 &pid, &n)) {
6a7e895f 523 union user_action_cookie cookie;
04594cd5 524 int res;
6a7e895f
BP		 525
526 cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
527 cookie.slow_path.unused = 0;
04594cd5 528 cookie.slow_path.reason = 0;
6a7e895f 529
04594cd5
BP		 530 res = parse_flags(&s[n], slow_path_reason_to_string,
531 &cookie.slow_path.reason);
532 if (res < 0) {
533 return res;
534 }
535 n += res;
536 if (s[n] != ')') {
6a7e895f
BP		 537 return -EINVAL;
538 }
04594cd5 539 n++;
6a7e895f 540
29089a54
RL		 541 odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path,
542 actions);
543 return n;
c2c28dfd
BP		 544 } else if (ovs_scan(s, "userspace(pid=%"SCNi32","
545 "flow_sample(probability=%"SCNi32","
546 "collector_set_id=%"SCNi32","
547 "obs_domain_id=%"SCNi32","
548 "obs_point_id=%"SCNi32"))%n",
549 &pid, &probability, &collector_set_id,
550 &obs_domain_id, &obs_point_id, &n)) {
29089a54
RL		 551 union user_action_cookie cookie;
552
553 cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE;
554 cookie.flow_sample.probability = probability;
555 cookie.flow_sample.collector_set_id = collector_set_id;
556 cookie.flow_sample.obs_domain_id = obs_domain_id;
557 cookie.flow_sample.obs_point_id = obs_point_id;
558 odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample,
559 actions);
7202cbe5 560 return n;
c2c28dfd 561 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",ipfix)%n", &pid, &n)) {
29089a54 562 union user_action_cookie cookie;
7202cbe5 563
29089a54
RL		 564 cookie.type = USER_ACTION_COOKIE_IPFIX;
565 odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix,
e995e3df 566 actions);
7202cbe5 567 return n;
c2c28dfd
BP		 568 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",userdata(%n",
569 &pid, &n)) {
e995e3df
BP		 570 struct ofpbuf buf;
571 char *end;
572
573 ofpbuf_init(&buf, 16);
574 end = ofpbuf_put_hex(&buf, &s[n], NULL);
575 if (end[0] == ')' && end[1] == ')') {
576 odp_put_userspace_action(pid, buf.data, buf.size, actions);
577 ofpbuf_uninit(&buf);
578 return (end + 2) - s;
579 }
7202cbe5
BP		 580 }
581 }
582
583 if (!strncmp(s, "set(", 4)) {
584 size_t start_ofs;
585 int retval;
586
587 start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET);
e6cc0bab 588 retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL);
7202cbe5
BP		 589 if (retval < 0) {
590 return retval;
591 }
592 if (s[retval + 4] != ')') {
593 return -EINVAL;
594 }
595 nl_msg_end_nested(actions, start_ofs);
596 return retval + 5;
597 }
598
becffb86
BP		 599 {
600 struct ovs_action_push_vlan push;
601 int tpid = ETH_TYPE_VLAN;
602 int vid, pcp;
603 int cfi = 1;
604 int n = -1;
7202cbe5 605
c2c28dfd
BP		 606 if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)
607 || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
608 &vid, &pcp, &cfi, &n)
609 || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
610 &tpid, &vid, &pcp, &n)
611 || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
612 &tpid, &vid, &pcp, &cfi, &n)) {
becffb86
BP		 613 push.vlan_tpid = htons(tpid);
614 push.vlan_tci = htons((vid << VLAN_VID_SHIFT)
615 | (pcp << VLAN_PCP_SHIFT)
616 | (cfi ? VLAN_CFI : 0));
617 nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN,
618 &push, sizeof push);
619
620 return n;
7202cbe5 621 }
7202cbe5
BP		 622 }
623
becffb86
BP		 624 if (!strncmp(s, "pop_vlan", 8)) {
625 nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN);
626 return 8;
7202cbe5
BP		 627 }
628
629 {
630 double percentage;
631 int n = -1;
632
c2c28dfd
BP		 633 if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n)
634 && percentage >= 0. && percentage <= 100.0) {
7202cbe5
BP		 635 size_t sample_ofs, actions_ofs;
636 double probability;
637
638 probability = floor(UINT32_MAX * (percentage / 100.0) + .5);
639 sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE);
640 nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY,
641 (probability <= 0 ? 0
642 : probability >= UINT32_MAX ? UINT32_MAX
643 : probability));
644
645 actions_ofs = nl_msg_start_nested(actions,
646 OVS_SAMPLE_ATTR_ACTIONS);
647 for (;;) {
648 int retval;
649
79d4ffe2 650 n += strspn(s + n, delimiters);
7202cbe5
BP		 651 if (s[n] == ')') {
652 break;
653 }
654
655 retval = parse_odp_action(s + n, port_names, actions);
656 if (retval < 0) {
657 return retval;
658 }
659 n += retval;
7202cbe5
BP		 660 }
661 nl_msg_end_nested(actions, actions_ofs);
662 nl_msg_end_nested(actions, sample_ofs);
663
664 return s[n + 1] == ')' ? n + 2 : -EINVAL;
665 }
666 }
667
668 return -EINVAL;
669}
670
671/* Parses the string representation of datapath actions, in the format output
672 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
673 * value. On success, the ODP actions are appended to 'actions' as a series of
674 * Netlink attributes. On failure, no data is appended to 'actions'. Either
675 * way, 'actions''s data might be reallocated. */
676int
44bac24b 677odp_actions_from_string(const char *s, const struct simap *port_names,
7202cbe5
BP		 678 struct ofpbuf *actions)
679{
680 size_t old_size;
681
682 if (!strcasecmp(s, "drop")) {
683 return 0;
684 }
685
686 old_size = actions->size;
687 for (;;) {
688 int retval;
689
690 s += strspn(s, delimiters);
691 if (!*s) {
692 return 0;
693 }
694
695 retval = parse_odp_action(s, port_names, actions);
696 if (retval < 0 || !strchr(delimiters, s[retval])) {
697 actions->size = old_size;
698 return -retval;
699 }
700 s += retval;
701 }
702
703 return 0;
704}
14608a15 705\f
36956a7d 706/* Returns the correct length of the payload for a flow key attribute of the
fea393b1
BP		 707 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
708 * is variable length. */
36956a7d
BP		 709static int
710odp_flow_key_attr_len(uint16_t type)
711{
df2c07f4 712 if (type > OVS_KEY_ATTR_MAX) {
36956a7d
BP		 713 return -1;
714 }
715
09ded0ad 716 switch ((enum ovs_key_attr) type) {
fea393b1 717 case OVS_KEY_ATTR_ENCAP: return -2;
abff858b 718 case OVS_KEY_ATTR_PRIORITY: return 4;
72e8bf28 719 case OVS_KEY_ATTR_SKB_MARK: return 4;
9b405f1a 720 case OVS_KEY_ATTR_TUNNEL: return -2;
df2c07f4
JP		 721 case OVS_KEY_ATTR_IN_PORT: return 4;
722 case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
fea393b1 723 case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
df2c07f4 724 case OVS_KEY_ATTR_ETHERTYPE: return 2;
b02475c5 725 case OVS_KEY_ATTR_MPLS: return sizeof(struct ovs_key_mpls);
df2c07f4
JP		 726 case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
727 case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
728 case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
dc235f7f 729 case OVS_KEY_ATTR_TCP_FLAGS: return 2;
df2c07f4 730 case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
c6bcb685 731 case OVS_KEY_ATTR_SCTP: return sizeof(struct ovs_key_sctp);
df2c07f4
JP		 732 case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
733 case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
734 case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
735 case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd);
736
737 case OVS_KEY_ATTR_UNSPEC:
738 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 739 return -1;
740 }
741
742 return -1;
743}
744
36956a7d
BP		 745static void
746format_generic_odp_key(const struct nlattr *a, struct ds *ds)
747{
748 size_t len = nl_attr_get_size(a);
36956a7d
BP		 749 if (len) {
750 const uint8_t *unspec;
751 unsigned int i;
752
753 unspec = nl_attr_get(a);
754 for (i = 0; i < len; i++) {
e6cc0bab
AZ		 755 if (i) {
756 ds_put_char(ds, ' ');
757 }
36956a7d
BP		 758 ds_put_format(ds, "%02x", unspec[i]);
759 }
36956a7d
BP		 760 }
761}
762
7257b535
BP		 763static const char *
764ovs_frag_type_to_string(enum ovs_frag_type type)
765{
766 switch (type) {
767 case OVS_FRAG_TYPE_NONE:
768 return "no";
769 case OVS_FRAG_TYPE_FIRST:
770 return "first";
771 case OVS_FRAG_TYPE_LATER:
772 return "later";
773 case __OVS_FRAG_TYPE_MAX:
774 default:
775 return "<error>";
776 }
777}
778
9b405f1a
PS		 779static int
780tunnel_key_attr_len(int type)
29c7a2b2 781{
9b405f1a
PS		 782 switch (type) {
783 case OVS_TUNNEL_KEY_ATTR_ID: return 8;
784 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4;
785 case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4;
786 case OVS_TUNNEL_KEY_ATTR_TOS: return 1;
787 case OVS_TUNNEL_KEY_ATTR_TTL: return 1;
788 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0;
789 case OVS_TUNNEL_KEY_ATTR_CSUM: return 0;
790 case __OVS_TUNNEL_KEY_ATTR_MAX:
791 return -1;
29c7a2b2 792 }
9b405f1a
PS		 793 return -1;
794}
795
617e10e7
SH		 796enum odp_key_fitness
797odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun)
9b405f1a
PS		 798{
799 unsigned int left;
800 const struct nlattr *a;
801 bool ttl = false;
802 bool unknown = false;
803
804 NL_NESTED_FOR_EACH(a, left, attr) {
805 uint16_t type = nl_attr_type(a);
806 size_t len = nl_attr_get_size(a);
807 int expected_len = tunnel_key_attr_len(type);
808
809 if (len != expected_len && expected_len >= 0) {
810 return ODP_FIT_ERROR;
811 }
812
813 switch (type) {
814 case OVS_TUNNEL_KEY_ATTR_ID:
815 tun->tun_id = nl_attr_get_be64(a);
816 tun->flags |= FLOW_TNL_F_KEY;
817 break;
818 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
819 tun->ip_src = nl_attr_get_be32(a);
820 break;
821 case OVS_TUNNEL_KEY_ATTR_IPV4_DST:
822 tun->ip_dst = nl_attr_get_be32(a);
823 break;
824 case OVS_TUNNEL_KEY_ATTR_TOS:
825 tun->ip_tos = nl_attr_get_u8(a);
826 break;
827 case OVS_TUNNEL_KEY_ATTR_TTL:
828 tun->ip_ttl = nl_attr_get_u8(a);
829 ttl = true;
830 break;
831 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT:
832 tun->flags |= FLOW_TNL_F_DONT_FRAGMENT;
833 break;
834 case OVS_TUNNEL_KEY_ATTR_CSUM:
835 tun->flags |= FLOW_TNL_F_CSUM;
836 break;
837 default:
838 /* Allow this to show up as unexpected, if there are unknown
839 * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */
840 unknown = true;
841 break;
842 }
843 }
844
845 if (!ttl) {
846 return ODP_FIT_ERROR;
847 }
848 if (unknown) {
758c456d 849 return ODP_FIT_TOO_MUCH;
9b405f1a
PS		 850 }
851 return ODP_FIT_PERFECT;
852}
853
854static void
855tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key)
856{
857 size_t tun_key_ofs;
858
859 tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL);
860
861 if (tun_key->flags & FLOW_TNL_F_KEY) {
862 nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id);
863 }
864 if (tun_key->ip_src) {
865 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src);
866 }
867 if (tun_key->ip_dst) {
868 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst);
869 }
870 if (tun_key->ip_tos) {
871 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos);
872 }
873 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl);
874 if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) {
875 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT);
876 }
877 if (tun_key->flags & FLOW_TNL_F_CSUM) {
878 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM);
879 }
880
881 nl_msg_end_nested(a, tun_key_ofs);
29c7a2b2
PS		 882}
883
041e7168
AZ		 884static bool
885odp_mask_attr_is_wildcard(const struct nlattr *ma)
886{
887 return is_all_zeros(nl_attr_get(ma), nl_attr_get_size(ma));
888}
889
e6cc0bab
AZ		 890static bool
891odp_mask_attr_is_exact(const struct nlattr *ma)
892{
893 bool is_exact = false;
894 enum ovs_key_attr attr = nl_attr_type(ma);
895
896 if (attr == OVS_KEY_ATTR_TUNNEL) {
897 /* XXX this is a hack for now. Should change
898 * the exact match dection to per field
899 * instead of per attribute.
900 */
901 struct flow_tnl tun_mask;
902 memset(&tun_mask, 0, sizeof tun_mask);
903 odp_tun_key_from_attr(ma, &tun_mask);
904 if (tun_mask.flags == (FLOW_TNL_F_KEY
905 | FLOW_TNL_F_DONT_FRAGMENT
906 | FLOW_TNL_F_CSUM)) {
907 /* The flags are exact match, check the remaining fields. */
908 tun_mask.flags = 0xffff;
909 is_exact = is_all_ones((uint8_t *)&tun_mask,
910 offsetof(struct flow_tnl, ip_ttl));
911 }
912 } else {
913 is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma));
914 }
915
916 return is_exact;
917}
918
0a37839c
GS		 919void
920odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no,
921 char *port_name)
922{
923 struct odp_portno_names *odp_portno_names;
924
925 odp_portno_names = xmalloc(sizeof *odp_portno_names);
926 odp_portno_names->port_no = port_no;
927 odp_portno_names->name = xstrdup(port_name);
928 hmap_insert(portno_names, &odp_portno_names->hmap_node,
929 hash_odp_port(port_no));
930}
931
932static char *
933odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no)
934{
935 struct odp_portno_names *odp_portno_names;
936
937 HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node,
938 hash_odp_port(port_no), portno_names) {
939 if (odp_portno_names->port_no == port_no) {
940 return odp_portno_names->name;
941 }
942 }
943 return NULL;
944}
945
946void
947odp_portno_names_destroy(struct hmap *portno_names)
948{
949 struct odp_portno_names *odp_portno_names, *odp_portno_names_next;
950 HMAP_FOR_EACH_SAFE (odp_portno_names, odp_portno_names_next,
951 hmap_node, portno_names) {
952 hmap_remove(portno_names, &odp_portno_names->hmap_node);
953 free(odp_portno_names->name);
954 free(odp_portno_names);
955 }
956}
e6cc0bab 957
36956a7d 958static void
e6cc0bab 959format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
0a37839c
GS		 960 const struct hmap *portno_names, struct ds *ds,
961 bool verbose)
36956a7d 962{
9b405f1a 963 struct flow_tnl tun_key;
7a8e9ed2 964 enum ovs_key_attr attr = nl_attr_type(a);
e6603631 965 char namebuf[OVS_KEY_ATTR_BUFSIZE];
fea393b1 966 int expected_len;
dc8c5408 967 bool is_exact;
36956a7d 968
dc8c5408 969 is_exact = ma ? odp_mask_attr_is_exact(ma) : true;
e6cc0bab 970
e6603631 971 ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf));
e6cc0bab
AZ		 972
973 {
974 expected_len = odp_flow_key_attr_len(nl_attr_type(a));
975 if (expected_len != -2) {
976 bool bad_key_len = nl_attr_get_size(a) != expected_len;
977 bool bad_mask_len = ma && nl_attr_get_size(a) != expected_len;
978
979 if (bad_key_len || bad_mask_len) {
980 if (bad_key_len) {
34582733 981 ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(",
e6cc0bab
AZ		 982 nl_attr_get_size(a),
983 odp_flow_key_attr_len(nl_attr_type(a)));
984 }
985 format_generic_odp_key(a, ds);
986 if (bad_mask_len) {
987 ds_put_char(ds, '/');
34582733 988 ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(",
e6cc0bab
AZ		 989 nl_attr_get_size(ma),
990 odp_flow_key_attr_len(nl_attr_type(ma)));
991 }
992 format_generic_odp_key(ma, ds);
993 ds_put_char(ds, ')');
994 return;
995 }
996 }
36956a7d
BP		 997 }
998
e6cc0bab 999 ds_put_char(ds, '(');
7a8e9ed2 1000 switch (attr) {
fea393b1 1001 case OVS_KEY_ATTR_ENCAP:
e6cc0bab
AZ		 1002 if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) {
1003 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a),
0a37839c 1004 nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds,
041e7168 1005 verbose);
0a37839c
GS		 1006 } else if (nl_attr_get_size(a)) {
1007 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL,
1008 ds, verbose);
fea393b1 1009 }
fea393b1
BP		 1010 break;
1011
abff858b 1012 case OVS_KEY_ATTR_PRIORITY:
72e8bf28 1013 case OVS_KEY_ATTR_SKB_MARK:
e6cc0bab 1014 ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a));
dc8c5408 1015 if (!is_exact) {
e6cc0bab
AZ		 1016 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1017 }
72e8bf28
AA		 1018 break;
1019
9b405f1a
PS		 1020 case OVS_KEY_ATTR_TUNNEL:
1021 memset(&tun_key, 0, sizeof tun_key);
617e10e7 1022 if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) {
e6cc0bab 1023 ds_put_format(ds, "error");
dc8c5408 1024 } else if (!is_exact) {
e6cc0bab
AZ		 1025 struct flow_tnl tun_mask;
1026
1027 memset(&tun_mask, 0, sizeof tun_mask);
1028 odp_tun_key_from_attr(ma, &tun_mask);
1029 ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64
1030 ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1031 ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8
1032 ",flags(",
1033 ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id),
1034 IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src),
1035 IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst),
1036 tun_key.ip_tos, tun_mask.ip_tos,
1037 tun_key.ip_ttl, tun_mask.ip_ttl);
1038
1039 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1040
1041 /* XXX This code is correct, but enabling it would break the unit
1042 test. Disable it for now until the input parser is fixed.
1043
1044 ds_put_char(ds, '/');
1045 format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ',');
1046 */
1047 ds_put_char(ds, ')');
9b405f1a 1048 } else {
e6cc0bab 1049 ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT","
9b405f1a
PS		 1050 "tos=0x%"PRIx8",ttl=%"PRIu8",flags(",
1051 ntohll(tun_key.tun_id),
1052 IP_ARGS(tun_key.ip_src),
1053 IP_ARGS(tun_key.ip_dst),
1054 tun_key.ip_tos, tun_key.ip_ttl);
1055
e6cc0bab
AZ		 1056 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1057 ds_put_char(ds, ')');
9b405f1a 1058 }
356af50b
KM		 1059 break;
1060
df2c07f4 1061 case OVS_KEY_ATTR_IN_PORT:
0a37839c
GS		 1062 if (portno_names && verbose && is_exact) {
1063 char *name = odp_portno_names_get(portno_names,
1064 u32_to_odp(nl_attr_get_u32(a)));
1065 if (name) {
1066 ds_put_format(ds, "%s", name);
1067 } else {
1068 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
1069 }
1070 } else {
1071 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
1072 if (!is_exact) {
1073 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1074 }
e6cc0bab 1075 }
36956a7d
BP		 1076 break;
1077
df2c07f4 1078 case OVS_KEY_ATTR_ETHERNET:
dc8c5408 1079 if (!is_exact) {
e6cc0bab
AZ		 1080 const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma);
1081 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1082
1083 ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1084 ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1085 ETH_ADDR_ARGS(eth_key->eth_src),
1086 ETH_ADDR_ARGS(eth_mask->eth_src),
1087 ETH_ADDR_ARGS(eth_key->eth_dst),
1088 ETH_ADDR_ARGS(eth_mask->eth_dst));
1089 } else {
1090 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1091
1092 ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT,
1093 ETH_ADDR_ARGS(eth_key->eth_src),
1094 ETH_ADDR_ARGS(eth_key->eth_dst));
1095 }
36956a7d
BP		 1096 break;
1097
fea393b1 1098 case OVS_KEY_ATTR_VLAN:
e6cc0bab
AZ		 1099 {
1100 ovs_be16 vlan_tci = nl_attr_get_be16(a);
dc8c5408 1101 if (!is_exact) {
e6cc0bab 1102 ovs_be16 mask = nl_attr_get_be16(ma);
2d39507c 1103 ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d",
e6cc0bab
AZ		 1104 vlan_tci_to_vid(vlan_tci),
1105 vlan_tci_to_vid(mask),
1106 vlan_tci_to_pcp(vlan_tci),
b06b6a39 1107 vlan_tci_to_pcp(mask),
e6cc0bab
AZ		 1108 vlan_tci_to_cfi(vlan_tci),
1109 vlan_tci_to_cfi(mask));
1110 } else {
1111 format_vlan_tci(ds, vlan_tci);
1112 }
1113 }
36956a7d
BP		 1114 break;
1115
b02475c5
SH		 1116 case OVS_KEY_ATTR_MPLS: {
1117 const struct ovs_key_mpls *mpls_key = nl_attr_get(a);
e6cc0bab 1118 const struct ovs_key_mpls *mpls_mask = NULL;
dc8c5408 1119 if (!is_exact) {
e6cc0bab
AZ		 1120 mpls_mask = nl_attr_get(ma);
1121 }
1122 format_mpls(ds, mpls_key, mpls_mask);
b02475c5
SH		 1123 break;
1124 }
1125
df2c07f4 1126 case OVS_KEY_ATTR_ETHERTYPE:
e6cc0bab 1127 ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a)));
dc8c5408 1128 if (!is_exact) {
e6cc0bab
AZ		 1129 ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma)));
1130 }
36956a7d
BP		 1131 break;
1132
df2c07f4 1133 case OVS_KEY_ATTR_IPV4:
dc8c5408 1134 if (!is_exact) {
e6cc0bab
AZ		 1135 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1136 const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma);
1137
1138 ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1139 ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8
1140 ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1141 IP_ARGS(ipv4_key->ipv4_src),
1142 IP_ARGS(ipv4_mask->ipv4_src),
1143 IP_ARGS(ipv4_key->ipv4_dst),
1144 IP_ARGS(ipv4_mask->ipv4_dst),
1145 ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto,
1146 ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos,
1147 ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl,
1148 ovs_frag_type_to_string(ipv4_key->ipv4_frag),
1149 ipv4_mask->ipv4_frag);
1150 } else {
1151 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1152
1153 ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
1154 ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s",
1155 IP_ARGS(ipv4_key->ipv4_src),
1156 IP_ARGS(ipv4_key->ipv4_dst),
1157 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
1158 ipv4_key->ipv4_ttl,
1159 ovs_frag_type_to_string(ipv4_key->ipv4_frag));
1160 }
36956a7d
BP		 1161 break;
1162
e6cc0bab 1163 case OVS_KEY_ATTR_IPV6:
dc8c5408 1164 if (!is_exact) {
e6cc0bab
AZ		 1165 const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask;
1166 char src_str[INET6_ADDRSTRLEN];
1167 char dst_str[INET6_ADDRSTRLEN];
1168 char src_mask[INET6_ADDRSTRLEN];
1169 char dst_mask[INET6_ADDRSTRLEN];
1170
1171 ipv6_key = nl_attr_get(a);
1172 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1173 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1174
1175 ipv6_mask = nl_attr_get(ma);
1176 inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask);
1177 inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask);
1178
1179 ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32
1180 ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8
1181 ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1182 src_str, src_mask, dst_str, dst_mask,
1183 ntohl(ipv6_key->ipv6_label),
1184 ntohl(ipv6_mask->ipv6_label),
1185 ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto,
1186 ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass,
1187 ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit,
1188 ovs_frag_type_to_string(ipv6_key->ipv6_frag),
1189 ipv6_mask->ipv6_frag);
1190 } else {
1191 const struct ovs_key_ipv6 *ipv6_key;
1192 char src_str[INET6_ADDRSTRLEN];
1193 char dst_str[INET6_ADDRSTRLEN];
1194
1195 ipv6_key = nl_attr_get(a);
1196 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1197 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1198
1199 ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8
1200 ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s",
1201 src_str, dst_str, ntohl(ipv6_key->ipv6_label),
1202 ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass,
1203 ipv6_key->ipv6_hlimit,
1204 ovs_frag_type_to_string(ipv6_key->ipv6_frag));
1205 }
d31f1109 1206 break;
d31f1109 1207
df2c07f4 1208 case OVS_KEY_ATTR_TCP:
dc8c5408 1209 if (!is_exact) {
e6cc0bab
AZ		 1210 const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma);
1211 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1212
1213 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1214 ",dst=%"PRIu16"/%#"PRIx16,
1215 ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src),
1216 ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst));
1217 } else {
1218 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1219
1220 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1221 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
1222 }
36956a7d
BP		 1223 break;
1224
dc235f7f
JR		 1225 case OVS_KEY_ATTR_TCP_FLAGS:
1226 ds_put_format(ds, "0x%03"PRIx16, ntohs(nl_attr_get_be16(a)));
1227 if (!is_exact) {
1228 ds_put_format(ds, "/0x%03"PRIx16, ntohs(nl_attr_get_be16(ma)));
1229 }
1230 break;
1231
df2c07f4 1232 case OVS_KEY_ATTR_UDP:
dc8c5408 1233 if (!is_exact) {
e6cc0bab
AZ		 1234 const struct ovs_key_udp *udp_mask = nl_attr_get(ma);
1235 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1236
1237 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1238 ",dst=%"PRIu16"/%#"PRIx16,
1239 ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src),
1240 ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst));
1241 } else {
1242 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1243
1244 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1245 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
1246 }
36956a7d
BP		 1247 break;
1248
c6bcb685
JS		 1249 case OVS_KEY_ATTR_SCTP:
1250 if (ma) {
1251 const struct ovs_key_sctp *sctp_mask = nl_attr_get(ma);
1252 const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
1253
1254 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1255 ",dst=%"PRIu16"/%#"PRIx16,
1256 ntohs(sctp_key->sctp_src), ntohs(sctp_mask->sctp_src),
1257 ntohs(sctp_key->sctp_dst), ntohs(sctp_mask->sctp_dst));
1258 } else {
1259 const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
1260
1261 ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
1262 ntohs(sctp_key->sctp_src), ntohs(sctp_key->sctp_dst));
1263 }
1264 break;
1265
df2c07f4 1266 case OVS_KEY_ATTR_ICMP:
dc8c5408 1267 if (!is_exact) {
e6cc0bab
AZ		 1268 const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma);
1269 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1270
1271 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1272 icmp_key->icmp_type, icmp_mask->icmp_type,
1273 icmp_key->icmp_code, icmp_mask->icmp_code);
1274 } else {
1275 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1276
1277 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1278 icmp_key->icmp_type, icmp_key->icmp_code);
1279 }
36956a7d
BP		 1280 break;
1281
df2c07f4 1282 case OVS_KEY_ATTR_ICMPV6:
dc8c5408 1283 if (!is_exact) {
e6cc0bab
AZ		 1284 const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma);
1285 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1286
1287 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1288 icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type,
1289 icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code);
1290 } else {
1291 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1292
1293 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1294 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
1295 }
d31f1109
JP		 1296 break;
1297
df2c07f4 1298 case OVS_KEY_ATTR_ARP:
dc8c5408 1299 if (!is_exact) {
e6cc0bab
AZ		 1300 const struct ovs_key_arp *arp_mask = nl_attr_get(ma);
1301 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1302
1303 ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT
1304 ",op=%"PRIu16"/%#"PRIx16
1305 ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1306 ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1307 IP_ARGS(arp_key->arp_sip),
1308 IP_ARGS(arp_mask->arp_sip),
1309 IP_ARGS(arp_key->arp_tip),
1310 IP_ARGS(arp_mask->arp_tip),
1311 ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op),
1312 ETH_ADDR_ARGS(arp_key->arp_sha),
1313 ETH_ADDR_ARGS(arp_mask->arp_sha),
1314 ETH_ADDR_ARGS(arp_key->arp_tha),
1315 ETH_ADDR_ARGS(arp_mask->arp_tha));
1316 } else {
1317 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1318
1319 ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
1320 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT,
1321 IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip),
1322 ntohs(arp_key->arp_op),
1323 ETH_ADDR_ARGS(arp_key->arp_sha),
1324 ETH_ADDR_ARGS(arp_key->arp_tha));
1325 }
36956a7d
BP		 1326 break;
1327
df2c07f4 1328 case OVS_KEY_ATTR_ND: {
dc8c5408 1329 const struct ovs_key_nd *nd_key, *nd_mask = NULL;
685a51a5
JP		 1330 char target[INET6_ADDRSTRLEN];
1331
1332 nd_key = nl_attr_get(a);
dc8c5408
AZ		 1333 if (!is_exact) {
1334 nd_mask = nl_attr_get(ma);
1335 }
e6cc0bab 1336
685a51a5 1337 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
e6cc0bab 1338 ds_put_format(ds, "target=%s", target);
dc8c5408 1339 if (!is_exact) {
e6cc0bab
AZ		 1340 inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target);
1341 ds_put_format(ds, "/%s", target);
1342 }
685a51a5 1343
685a51a5
JP		 1344 if (!eth_addr_is_zero(nd_key->nd_sll)) {
1345 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
1346 ETH_ADDR_ARGS(nd_key->nd_sll));
dc8c5408 1347 if (!is_exact) {
e6cc0bab
AZ		 1348 ds_put_format(ds, "/"ETH_ADDR_FMT,
1349 ETH_ADDR_ARGS(nd_mask->nd_sll));
1350 }
685a51a5
JP		 1351 }
1352 if (!eth_addr_is_zero(nd_key->nd_tll)) {
1353 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
1354 ETH_ADDR_ARGS(nd_key->nd_tll));
dc8c5408 1355 if (!is_exact) {
e6cc0bab
AZ		 1356 ds_put_format(ds, "/"ETH_ADDR_FMT,
1357 ETH_ADDR_ARGS(nd_mask->nd_tll));
1358 }
685a51a5 1359 }
685a51a5
JP		 1360 break;
1361 }
1362
7a8e9ed2
BP		 1363 case OVS_KEY_ATTR_UNSPEC:
1364 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 1365 default:
1366 format_generic_odp_key(a, ds);
dc8c5408 1367 if (!is_exact) {
e6cc0bab
AZ		 1368 ds_put_char(ds, '/');
1369 format_generic_odp_key(ma, ds);
1370 }
36956a7d
BP		 1371 break;
1372 }
e6cc0bab 1373 ds_put_char(ds, ')');
36956a7d
BP		 1374}
1375
dc8c5408
AZ		 1376static struct nlattr *
1377generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key)
1378{
1379 const struct nlattr *a;
1380 unsigned int left;
1381 int type = nl_attr_type(key);
1382 int size = nl_attr_get_size(key);
1383
1384 if (odp_flow_key_attr_len(type) >=0) {
9ddf12cc 1385 nl_msg_put_unspec_zero(ofp, type, size);
dc8c5408
AZ		 1386 } else {
1387 size_t nested_mask;
1388
1389 nested_mask = nl_msg_start_nested(ofp, type);
1390 NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) {
1391 generate_all_wildcard_mask(ofp, nl_attr_get(a));
1392 }
1393 nl_msg_end_nested(ofp, nested_mask);
1394 }
1395
1396 return ofp->base;
1397}
1398
36956a7d 1399/* Appends to 'ds' a string representation of the 'key_len' bytes of
e6cc0bab 1400 * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the
73580638
GS		 1401 * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is
1402 * non-null and 'verbose' is true, translates odp port number to its name. */
14608a15 1403void
e6cc0bab
AZ		 1404odp_flow_format(const struct nlattr *key, size_t key_len,
1405 const struct nlattr *mask, size_t mask_len,
0a37839c 1406 const struct hmap *portno_names, struct ds *ds, bool verbose)
14608a15 1407{
36956a7d
BP		 1408 if (key_len) {
1409 const struct nlattr *a;
1410 unsigned int left;
e6cc0bab
AZ		 1411 bool has_ethtype_key = false;
1412 const struct nlattr *ma = NULL;
dc8c5408 1413 struct ofpbuf ofp;
041e7168 1414 bool first_field = true;
36956a7d 1415
dc8c5408 1416 ofpbuf_init(&ofp, 100);
36956a7d 1417 NL_ATTR_FOR_EACH (a, left, key, key_len) {
041e7168
AZ		 1418 bool is_nested_attr;
1419 bool is_wildcard = false;
1420 int attr_type = nl_attr_type(a);
1421
1422 if (attr_type == OVS_KEY_ATTR_ETHERTYPE) {
e6cc0bab
AZ		 1423 has_ethtype_key = true;
1424 }
041e7168
AZ		 1425
1426 is_nested_attr = (odp_flow_key_attr_len(attr_type) == -2);
1427
e6cc0bab
AZ		 1428 if (mask && mask_len) {
1429 ma = nl_attr_find__(mask, mask_len, nl_attr_type(a));
041e7168
AZ		 1430 is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true;
1431 }
1432
1433 if (verbose || !is_wildcard || is_nested_attr) {
1434 if (is_wildcard && !ma) {
dc8c5408
AZ		 1435 ma = generate_all_wildcard_mask(&ofp, a);
1436 }
041e7168
AZ		 1437 if (!first_field) {
1438 ds_put_char(ds, ',');
1439 }
0a37839c 1440 format_odp_key_attr(a, ma, portno_names, ds, verbose);
041e7168 1441 first_field = false;
e6cc0bab 1442 }
dc8c5408 1443 ofpbuf_clear(&ofp);
36956a7d 1444 }
dc8c5408
AZ		 1445 ofpbuf_uninit(&ofp);
1446
36956a7d 1447 if (left) {
3a8cfc50 1448 int i;
1394054e 1449
36956a7d
BP		 1450 if (left == key_len) {
1451 ds_put_cstr(ds, "<empty>");
1452 }
3a8cfc50
BP		 1453 ds_put_format(ds, ",***%u leftover bytes*** (", left);
1454 for (i = 0; i < left; i++) {
1455 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
1456 }
1457 ds_put_char(ds, ')');
36956a7d 1458 }
e6cc0bab
AZ		 1459 if (!has_ethtype_key) {
1460 ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE);
1461 if (ma) {
1462 ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")",
1463 ntohs(nl_attr_get_be16(ma)));
1464 }
1465 }
36956a7d
BP		 1466 } else {
1467 ds_put_cstr(ds, "<empty>");
1468 }
14608a15 1469}
064af421 1470
e6cc0bab
AZ		 1471/* Appends to 'ds' a string representation of the 'key_len' bytes of
1472 * OVS_KEY_ATTR_* attributes in 'key'. */
1473void
1474odp_flow_key_format(const struct nlattr *key,
1475 size_t key_len, struct ds *ds)
1476{
0a37839c 1477 odp_flow_format(key, key_len, NULL, 0, NULL, ds, true);
e6cc0bab
AZ		 1478}
1479
dc8c5408
AZ		 1480static void
1481put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll,
1482 const uint8_t *nd_tll, struct ofpbuf *key)
1483{
1484 if (nd_sll) {
1485 memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN);
1486 }
1487
1488 if (nd_tll) {
1489 memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN);
1490 }
1491
1492 nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key);
1493}
1494
3bffc610 1495static int
dc8c5408
AZ		 1496put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll,
1497 const uint8_t *nd_tll, struct ofpbuf *key)
3bffc610 1498{
df2c07f4 1499 struct ovs_key_nd nd_key;
3bffc610
BP		 1500
1501 memset(&nd_key, 0, sizeof nd_key);
dc8c5408 1502
3bffc610
BP		 1503 if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
1504 return -EINVAL;
1505 }
dc8c5408
AZ		 1506
1507 put_nd(&nd_key, nd_sll, nd_tll, key);
1508 return n;
1509}
1510
1511static int
1512put_nd_mask(int n, const char *nd_target_s,
1513 const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask)
1514{
1515 struct ovs_key_nd nd_mask;
1516
1517 memset(&nd_mask, 0xff, sizeof nd_mask);
1518
1519 if (strlen(nd_target_s) != 0 &&
1520 inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) {
1521 return -EINVAL;
3bffc610 1522 }
dc8c5408
AZ		 1523
1524 put_nd(&nd_mask, nd_sll, nd_tll, mask);
3bffc610
BP		 1525 return n;
1526}
1527
7257b535
BP		 1528static bool
1529ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type)
1530{
1531 if (!strcasecmp(s, "no")) {
1532 *type = OVS_FRAG_TYPE_NONE;
1533 } else if (!strcasecmp(s, "first")) {
1534 *type = OVS_FRAG_TYPE_FIRST;
1535 } else if (!strcasecmp(s, "later")) {
1536 *type = OVS_FRAG_TYPE_LATER;
1537 } else {
1538 return false;
1539 }
1540 return true;
1541}
1542
b02475c5
SH		 1543static ovs_be32
1544mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos)
1545{
1546 return (htonl((mpls_label << MPLS_LABEL_SHIFT) |
1547 (mpls_tc << MPLS_TC_SHIFT) |
1548 (mpls_ttl << MPLS_TTL_SHIFT) |
1549 (mpls_bos << MPLS_BOS_SHIFT)));
1550}
1551
3bffc610 1552static int
e6cc0bab
AZ		 1553parse_odp_key_mask_attr(const char *s, const struct simap *port_names,
1554 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610 1555{
abff858b 1556 {
c2c28dfd
BP		 1557 uint32_t priority;
1558 uint32_t priority_mask;
abff858b
PS		 1559 int n = -1;
1560
c2c28dfd
BP		 1561 if (mask && ovs_scan(s, "skb_priority(%"SCNi32"/%"SCNi32")%n",
1562 &priority, &priority_mask, &n)) {
e6cc0bab
AZ		 1563 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
1564 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask);
1565 return n;
c2c28dfd 1566 } else if (ovs_scan(s, "skb_priority(%"SCNi32")%n", &priority, &n)) {
abff858b 1567 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
e6cc0bab
AZ		 1568 if (mask) {
1569 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX);
1570 }
abff858b
PS		 1571 return n;
1572 }
1573 }
1574
72e8bf28 1575 {
c2c28dfd
BP		 1576 uint32_t mark;
1577 uint32_t mark_mask;
72e8bf28
AA		 1578 int n = -1;
1579
c2c28dfd
BP		 1580 if (mask && ovs_scan(s, "skb_mark(%"SCNi32"/%"SCNi32")%n", &mark,
1581 &mark_mask, &n)) {
e6cc0bab
AZ		 1582 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
1583 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask);
1584 return n;
c2c28dfd 1585 } else if (ovs_scan(s, "skb_mark(%"SCNi32")%n", &mark, &n)) {
72e8bf28 1586 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
e6cc0bab
AZ		 1587 if (mask) {
1588 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX);
1589 }
72e8bf28
AA		 1590 return n;
1591 }
1592 }
1593
35651d6a 1594 {
c2c28dfd 1595 uint64_t tun_id, tun_id_mask;
e6cc0bab 1596 struct flow_tnl tun_key, tun_key_mask;
35651d6a
JG		 1597 int n = -1;
1598
c2c28dfd
BP		 1599 if (mask && ovs_scan(s, "tunnel(tun_id=%"SCNi64"/%"SCNi64","
1600 "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT
1601 "/"IP_SCAN_FMT",tos=%"SCNi8"/%"SCNi8","
1602 "ttl=%"SCNi8"/%"SCNi8",flags%n",
1603 &tun_id, &tun_id_mask,
1604 IP_SCAN_ARGS(&tun_key.ip_src),
1605 IP_SCAN_ARGS(&tun_key_mask.ip_src),
1606 IP_SCAN_ARGS(&tun_key.ip_dst),
1607 IP_SCAN_ARGS(&tun_key_mask.ip_dst),
1608 &tun_key.ip_tos, &tun_key_mask.ip_tos,
1609 &tun_key.ip_ttl, &tun_key_mask.ip_ttl, &n)) {
e6cc0bab
AZ		 1610 int res;
1611 uint32_t flags;
1612
c2c28dfd 1613 tun_key.tun_id = htonll(tun_id);
e6cc0bab 1614 tun_key_mask.tun_id = htonll(tun_id_mask);
e6cc0bab
AZ		 1615 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
1616 tun_key.flags = flags;
1617 tun_key_mask.flags = UINT16_MAX;
1618
1619 if (res < 0) {
1620 return res;
1621 }
1622 n += res;
1623 if (s[n] != ')') {
1624 return -EINVAL;
1625 }
1626 n++;
1627 tun_key_to_attr(key, &tun_key);
1628 if (mask) {
1629 tun_key_to_attr(mask, &tun_key_mask);
1630 }
1631 return n;
c2c28dfd
BP		 1632 } else if (ovs_scan(s, "tunnel(tun_id=%"SCNi64","
1633 "src="IP_SCAN_FMT",dst="IP_SCAN_FMT
1634 ",tos=%"SCNi8",ttl=%"SCNi8",flags%n", &tun_id,
1635 IP_SCAN_ARGS(&tun_key.ip_src),
1636 IP_SCAN_ARGS(&tun_key.ip_dst),
1637 &tun_key.ip_tos, &tun_key.ip_ttl, &n)) {
29c7a2b2 1638 int res;
9b405f1a 1639 uint32_t flags;
29c7a2b2 1640
c2c28dfd 1641 tun_key.tun_id = htonll(tun_id);
9b405f1a 1642 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
e6cc0bab 1643 tun_key.flags = flags;
29c7a2b2 1644
29c7a2b2
PS		 1645 if (res < 0) {
1646 return res;
1647 }
1648 n += res;
1649 if (s[n] != ')') {
1650 return -EINVAL;
1651 }
1652 n++;
9b405f1a 1653 tun_key_to_attr(key, &tun_key);
e6cc0bab
AZ		 1654
1655 if (mask) {
1656 memset(&tun_key, 0xff, sizeof tun_key);
1657 tun_key_to_attr(mask, &tun_key);
1658 }
35651d6a
JG		 1659 return n;
1660 }
1661 }
1662
3bffc610 1663 {
c2c28dfd
BP		 1664 uint32_t in_port;
1665 uint32_t in_port_mask;
3bffc610
BP		 1666 int n = -1;
1667
c2c28dfd
BP		 1668 if (mask && ovs_scan(s, "in_port(%"SCNi32"/%"SCNi32")%n",
1669 &in_port, &in_port_mask, &n)) {
e6cc0bab
AZ		 1670 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
1671 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask);
1672 return n;
c2c28dfd 1673 } else if (ovs_scan(s, "in_port(%"SCNi32")%n", &in_port, &n)) {
df2c07f4 1674 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
e6cc0bab
AZ		 1675 if (mask) {
1676 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1677 }
3bffc610
BP		 1678 return n;
1679 }
1680 }
1681
e6cc0bab 1682
b2a60db8
BP		 1683 if (port_names && !strncmp(s, "in_port(", 8)) {
1684 const char *name;
44bac24b 1685 const struct simap_node *node;
b2a60db8
BP		 1686 int name_len;
1687
1688 name = s + 8;
c46c613a 1689 name_len = strcspn(name, ")");
44bac24b 1690 node = simap_find_len(port_names, name, name_len);
b2a60db8 1691 if (node) {
44bac24b 1692 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
e6cc0bab
AZ		 1693
1694 if (mask) {
1695 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1696 }
b2a60db8
BP		 1697 return 8 + name_len + 1;
1698 }
1699 }
1700
3bffc610 1701 {
df2c07f4 1702 struct ovs_key_ethernet eth_key;
e6cc0bab 1703 struct ovs_key_ethernet eth_key_mask;
3bffc610
BP		 1704 int n = -1;
1705
c2c28dfd
BP		 1706 if (mask && ovs_scan(s,
1707 "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
1708 "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
1709 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1710 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src),
1711 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst),
1712 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n)) {
e6cc0bab
AZ		 1713 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
1714 &eth_key, sizeof eth_key);
1715 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1716 &eth_key_mask, sizeof eth_key_mask);
1717 return n;
c2c28dfd
BP		 1718 } else if (ovs_scan(s, "eth(src="ETH_ADDR_SCAN_FMT","
1719 "dst="ETH_ADDR_SCAN_FMT")%n",
1720 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1721 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n)) {
df2c07f4 1722 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
3bffc610 1723 &eth_key, sizeof eth_key);
e6cc0bab
AZ		 1724
1725 if (mask) {
1726 memset(&eth_key, 0xff, sizeof eth_key);
1727 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1728 &eth_key, sizeof eth_key);
1729 }
3bffc610
BP		 1730 return n;
1731 }
1732 }
1733
1734 {
c2c28dfd 1735 int vid, vid_mask;
e6cc0bab
AZ		 1736 int pcp, pcp_mask;
1737 int cfi, cfi_mask;
3bffc610
BP		 1738 int n = -1;
1739
c2c28dfd
BP		 1740 if (mask && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i)%n",
1741 &vid, &vid_mask, &pcp, &pcp_mask, &n)) {
e6cc0bab
AZ		 1742 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1743 htons((vid << VLAN_VID_SHIFT) |
1744 (pcp << VLAN_PCP_SHIFT) |
1745 VLAN_CFI));
1746 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1747 htons((vid_mask << VLAN_VID_SHIFT) |
1748 (pcp_mask << VLAN_PCP_SHIFT) |
1749 (1 << VLAN_CFI_SHIFT)));
1750 return n;
c2c28dfd 1751 } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)) {
fea393b1
BP		 1752 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1753 htons((vid << VLAN_VID_SHIFT) |
8ddc056d
BP		 1754 (pcp << VLAN_PCP_SHIFT) |
1755 VLAN_CFI));
e6cc0bab 1756 if (mask) {
b8266395 1757 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
e6cc0bab
AZ		 1758 }
1759 return n;
c2c28dfd
BP		 1760 } else if (mask
1761 && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i,cfi=%i/%i)%n",
1762 &vid, &vid_mask, &pcp, &pcp_mask,
1763 &cfi, &cfi_mask, &n)) {
e6cc0bab
AZ		 1764 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1765 htons((vid << VLAN_VID_SHIFT) |
1766 (pcp << VLAN_PCP_SHIFT) |
1767 (cfi ? VLAN_CFI : 0)));
1768 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1769 htons((vid_mask << VLAN_VID_SHIFT) |
1770 (pcp_mask << VLAN_PCP_SHIFT) |
1771 (cfi_mask << VLAN_CFI_SHIFT)));
8ddc056d 1772 return n;
c2c28dfd
BP		 1773 } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i,cfi=%i)%n",
1774 &vid, &pcp, &cfi, &n)) {
8ddc056d
BP		 1775 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1776 htons((vid << VLAN_VID_SHIFT) |
1777 (pcp << VLAN_PCP_SHIFT) |
1778 (cfi ? VLAN_CFI : 0)));
e6cc0bab 1779 if (mask) {
b8266395 1780 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
e6cc0bab 1781 }
3bffc610
BP		 1782 return n;
1783 }
1784 }
1785
1786 {
fac2e516 1787 int eth_type;
e6cc0bab 1788 int eth_type_mask;
3bffc610
BP		 1789 int n = -1;
1790
c2c28dfd
BP		 1791 if (mask && ovs_scan(s, "eth_type(%i/%i)%n",
1792 &eth_type, &eth_type_mask, &n)) {
e6cc0bab
AZ		 1793 if (eth_type != 0) {
1794 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
1795 }
1796 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask));
1797 return n;
c2c28dfd 1798 } else if (ovs_scan(s, "eth_type(%i)%n", &eth_type, &n)) {
df2c07f4 1799 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
e6cc0bab 1800 if (mask) {
b8266395 1801 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
e6cc0bab 1802 }
3bffc610
BP		 1803 return n;
1804 }
1805 }
1806
b02475c5
SH		 1807 {
1808 int label, tc, ttl, bos;
e6cc0bab 1809 int label_mask, tc_mask, ttl_mask, bos_mask;
b02475c5
SH		 1810 int n = -1;
1811
c2c28dfd
BP		 1812 if (mask && ovs_scan(s, "mpls(label=%i/%i,tc=%i/%i,"
1813 "ttl=%i/%i,bos=%i/%i)%n",
1814 &label, &label_mask, &tc, &tc_mask,
1815 &ttl, &ttl_mask, &bos, &bos_mask, &n)) {
e6cc0bab
AZ		 1816 struct ovs_key_mpls *mpls, *mpls_mask;
1817
1818 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1819 sizeof *mpls);
1820 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
1821
1822 mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1823 sizeof *mpls_mask);
1824 mpls_mask->mpls_lse = mpls_lse_from_components(
1825 label_mask, tc_mask, ttl_mask, bos_mask);
1826 return n;
c2c28dfd
BP		 1827 } else if (ovs_scan(s, "mpls(label=%i,tc=%i,ttl=%i,bos=%i)%n",
1828 &label, &tc, &ttl, &bos, &n)) {
b02475c5
SH		 1829 struct ovs_key_mpls *mpls;
1830
1831 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1832 sizeof *mpls);
20131cef 1833 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
e6cc0bab
AZ		 1834 if (mask) {
1835 mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1836 sizeof *mpls);
b8266395 1837 mpls->mpls_lse = OVS_BE32_MAX;
e6cc0bab 1838 }
b02475c5
SH		 1839 return n;
1840 }
1841 }
1842
e6cc0bab 1843
3bffc610 1844 {
c2c28dfd
BP		 1845 struct ovs_key_ipv4 ipv4_key;
1846 struct ovs_key_ipv4 ipv4_mask;
1847
7257b535
BP		 1848 char frag[8];
1849 enum ovs_frag_type ipv4_frag;
3bffc610
BP		 1850 int n = -1;
1851
c2c28dfd
BP		 1852 if (mask
1853 && ovs_scan(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT","
1854 "dst="IP_SCAN_FMT"/"IP_SCAN_FMT","
1855 "proto=%"SCNi8"/%"SCNi8","
1856 "tos=%"SCNi8"/%"SCNi8","
1857 "ttl=%"SCNi8"/%"SCNi8","
1858 "frag=%7[a-z]/%"SCNi8")%n",
1859 IP_SCAN_ARGS(&ipv4_key.ipv4_src),
1860 IP_SCAN_ARGS(&ipv4_mask.ipv4_src),
1861 IP_SCAN_ARGS(&ipv4_key.ipv4_dst),
1862 IP_SCAN_ARGS(&ipv4_mask.ipv4_dst),
1863 &ipv4_key.ipv4_proto, &ipv4_mask.ipv4_proto,
1864 &ipv4_key.ipv4_tos, &ipv4_mask.ipv4_tos,
1865 &ipv4_key.ipv4_ttl, &ipv4_mask.ipv4_ttl,
1866 frag, &ipv4_mask.ipv4_frag, &n)
e6cc0bab 1867 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
e6cc0bab
AZ		 1868 ipv4_key.ipv4_frag = ipv4_frag;
1869 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
1870 &ipv4_key, sizeof ipv4_key);
1871
e6cc0bab
AZ		 1872 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1873 &ipv4_mask, sizeof ipv4_mask);
1874 return n;
c2c28dfd
BP		 1875 } else if (ovs_scan(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT","
1876 "proto=%"SCNi8",tos=%"SCNi8",ttl=%"SCNi8","
1877 "frag=%7[a-z])%n",
1878 IP_SCAN_ARGS(&ipv4_key.ipv4_src),
1879 IP_SCAN_ARGS(&ipv4_key.ipv4_dst),
1880 &ipv4_key.ipv4_proto,
1881 &ipv4_key.ipv4_tos,
1882 &ipv4_key.ipv4_ttl,
1883 frag, &n) > 0
1884 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
7257b535 1885 ipv4_key.ipv4_frag = ipv4_frag;
df2c07f4 1886 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
3bffc610 1887 &ipv4_key, sizeof ipv4_key);
e6cc0bab
AZ		 1888
1889 if (mask) {
1890 memset(&ipv4_key, 0xff, sizeof ipv4_key);
1891 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1892 &ipv4_key, sizeof ipv4_key);
1893 }
3bffc610
BP		 1894 return n;
1895 }
1896 }
1897
1898 {
1899 char ipv6_src_s[IPV6_SCAN_LEN + 1];
e6cc0bab 1900 char ipv6_src_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 1901 char ipv6_dst_s[IPV6_SCAN_LEN + 1];
e6cc0bab
AZ		 1902 char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1];
1903 int ipv6_label, ipv6_label_mask;
1904 int ipv6_proto, ipv6_proto_mask;
1905 int ipv6_tclass, ipv6_tclass_mask;
1906 int ipv6_hlimit, ipv6_hlimit_mask;
7257b535
BP		 1907 char frag[8];
1908 enum ovs_frag_type ipv6_frag;
e6cc0bab 1909 int ipv6_frag_mask;
3bffc610
BP		 1910 int n = -1;
1911
c2c28dfd
BP		 1912 if (mask && ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst="
1913 IPV6_SCAN_FMT"/"IPV6_SCAN_FMT","
1914 "label=%i/%i,proto=%i/%i,tclass=%i/%i,"
1915 "hlimit=%i/%i,frag=%7[a-z]/%i)%n",
1916 ipv6_src_s, ipv6_src_mask_s,
1917 ipv6_dst_s, ipv6_dst_mask_s,
1918 &ipv6_label, &ipv6_label_mask, &ipv6_proto,
1919 &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask,
1920 &ipv6_hlimit, &ipv6_hlimit_mask, frag,
1921 &ipv6_frag_mask, &n)
e6cc0bab
AZ		 1922 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
1923 struct ovs_key_ipv6 ipv6_key;
1924 struct ovs_key_ipv6 ipv6_mask;
1925
1926 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
1927 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 ||
1928 inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 ||
1929 inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) {
1930 return -EINVAL;
1931 }
1932
1933 ipv6_key.ipv6_label = htonl(ipv6_label);
1934 ipv6_key.ipv6_proto = ipv6_proto;
1935 ipv6_key.ipv6_tclass = ipv6_tclass;
1936 ipv6_key.ipv6_hlimit = ipv6_hlimit;
1937 ipv6_key.ipv6_frag = ipv6_frag;
1938 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
1939 &ipv6_key, sizeof ipv6_key);
1940
1941 ipv6_mask.ipv6_label = htonl(ipv6_label_mask);
1942 ipv6_mask.ipv6_proto = ipv6_proto_mask;
1943 ipv6_mask.ipv6_tclass = ipv6_tclass_mask;
1944 ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask;
1945 ipv6_mask.ipv6_frag = ipv6_frag_mask;
1946 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
1947 &ipv6_mask, sizeof ipv6_mask);
1948 return n;
c2c28dfd
BP		 1949 } else if (ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT","
1950 "label=%i,proto=%i,tclass=%i,hlimit=%i,"
1951 "frag=%7[a-z])%n",
1952 ipv6_src_s, ipv6_dst_s, &ipv6_label,
1953 &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n)
1954 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
df2c07f4 1955 struct ovs_key_ipv6 ipv6_key;
3bffc610 1956
3bffc610
BP		 1957 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
1958 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) {
1959 return -EINVAL;
1960 }
fa8223b7 1961 ipv6_key.ipv6_label = htonl(ipv6_label);
3bffc610 1962 ipv6_key.ipv6_proto = ipv6_proto;
60258dcb 1963 ipv6_key.ipv6_tclass = ipv6_tclass;
a61680c6 1964 ipv6_key.ipv6_hlimit = ipv6_hlimit;
7257b535 1965 ipv6_key.ipv6_frag = ipv6_frag;
df2c07f4 1966 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
3bffc610 1967 &ipv6_key, sizeof ipv6_key);
e6cc0bab
AZ		 1968
1969 if (mask) {
1970 memset(&ipv6_key, 0xff, sizeof ipv6_key);
1971 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
1972 &ipv6_key, sizeof ipv6_key);
1973 }
3bffc610
BP		 1974 return n;
1975 }
1976 }
1977
1978 {
1979 int tcp_src;
1980 int tcp_dst;
e6cc0bab
AZ		 1981 int tcp_src_mask;
1982 int tcp_dst_mask;
3bffc610
BP		 1983 int n = -1;
1984
c2c28dfd
BP		 1985 if (mask && ovs_scan(s, "tcp(src=%i/%i,dst=%i/%i)%n",
1986 &tcp_src, &tcp_src_mask, &tcp_dst,
1987 &tcp_dst_mask, &n)) {
df2c07f4 1988 struct ovs_key_tcp tcp_key;
e6cc0bab 1989 struct ovs_key_tcp tcp_mask;
3bffc610
BP		 1990
1991 tcp_key.tcp_src = htons(tcp_src);
1992 tcp_key.tcp_dst = htons(tcp_dst);
df2c07f4 1993 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
e6cc0bab
AZ		 1994
1995 tcp_mask.tcp_src = htons(tcp_src_mask);
1996 tcp_mask.tcp_dst = htons(tcp_dst_mask);
1997 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
1998 &tcp_mask, sizeof tcp_mask);
1999 return n;
c2c28dfd
BP		 2000 } else if (ovs_scan(s, "tcp(src=%i,dst=%i)%n",
2001 &tcp_src, &tcp_dst, &n)) {
e6cc0bab
AZ		 2002 struct ovs_key_tcp tcp_key;
2003
2004 tcp_key.tcp_src = htons(tcp_src);
2005 tcp_key.tcp_dst = htons(tcp_dst);
2006 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
2007
2008 if (mask) {
2009 memset(&tcp_key, 0xff, sizeof tcp_key);
2010 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
2011 &tcp_key, sizeof tcp_key);
2012 }
3bffc610
BP		 2013 return n;
2014 }
2015 }
2016
dc235f7f
JR		 2017 {
2018 uint16_t tcp_flags, tcp_flags_mask;
2019 int n = -1;
2020
c2c28dfd
BP		 2021 if (mask && ovs_scan(s, "tcp_flags(%"SCNi16"/%"SCNi16")%n",
2022 &tcp_flags, &tcp_flags_mask, &n) > 0 && n > 0) {
dc235f7f
JR		 2023 nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags));
2024 nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags_mask));
2025 return n;
c2c28dfd 2026 } else if (ovs_scan(s, "tcp_flags(%"SCNi16")%n", &tcp_flags, &n)) {
dc235f7f
JR		 2027 nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags));
2028 if (mask) {
2029 nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS,
2030 htons(UINT16_MAX));
2031 }
2032 return n;
2033 }
2034 }
2035
3bffc610
BP		 2036 {
2037 int udp_src;
2038 int udp_dst;
e6cc0bab
AZ		 2039 int udp_src_mask;
2040 int udp_dst_mask;
3bffc610
BP		 2041 int n = -1;
2042
c2c28dfd
BP		 2043 if (mask && ovs_scan(s, "udp(src=%i/%i,dst=%i/%i)%n",
2044 &udp_src, &udp_src_mask,
2045 &udp_dst, &udp_dst_mask, &n)) {
e6cc0bab
AZ		 2046 struct ovs_key_udp udp_key;
2047 struct ovs_key_udp udp_mask;
2048
2049 udp_key.udp_src = htons(udp_src);
2050 udp_key.udp_dst = htons(udp_dst);
2051 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2052
2053 udp_mask.udp_src = htons(udp_src_mask);
2054 udp_mask.udp_dst = htons(udp_dst_mask);
2055 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP,
2056 &udp_mask, sizeof udp_mask);
2057 return n;
2058 }
c2c28dfd 2059 if (ovs_scan(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n)) {
df2c07f4 2060 struct ovs_key_udp udp_key;
3bffc610
BP		 2061
2062 udp_key.udp_src = htons(udp_src);
2063 udp_key.udp_dst = htons(udp_dst);
df2c07f4 2064 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
e6cc0bab
AZ		 2065
2066 if (mask) {
2067 memset(&udp_key, 0xff, sizeof udp_key);
2068 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2069 }
3bffc610
BP		 2070 return n;
2071 }
2072 }
2073
c6bcb685
JS		 2074 {
2075 int sctp_src;
2076 int sctp_dst;
2077 int sctp_src_mask;
2078 int sctp_dst_mask;
2079 int n = -1;
2080
c2c28dfd
BP		 2081 if (mask && ovs_scan(s, "sctp(src=%i/%i,dst=%i/%i)%n",
2082 &sctp_src, &sctp_src_mask,
2083 &sctp_dst, &sctp_dst_mask, &n)) {
c6bcb685
JS		 2084 struct ovs_key_sctp sctp_key;
2085 struct ovs_key_sctp sctp_mask;
2086
2087 sctp_key.sctp_src = htons(sctp_src);
2088 sctp_key.sctp_dst = htons(sctp_dst);
2089 nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2090
2091 sctp_mask.sctp_src = htons(sctp_src_mask);
2092 sctp_mask.sctp_dst = htons(sctp_dst_mask);
2093 nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP,
2094 &sctp_mask, sizeof sctp_mask);
2095 return n;
2096 }
c2c28dfd 2097 if (ovs_scan(s, "sctp(src=%i,dst=%i)%n", &sctp_src, &sctp_dst, &n)) {
c6bcb685
JS		 2098 struct ovs_key_sctp sctp_key;
2099
2100 sctp_key.sctp_src = htons(sctp_src);
2101 sctp_key.sctp_dst = htons(sctp_dst);
2102 nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2103
2104 if (mask) {
2105 memset(&sctp_key, 0xff, sizeof sctp_key);
2106 nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2107 }
2108 return n;
2109 }
2110 }
2111
3bffc610 2112 {
c2c28dfd
BP		 2113 struct ovs_key_icmp icmp_key;
2114 struct ovs_key_icmp icmp_mask;
3bffc610
BP		 2115 int n = -1;
2116
c2c28dfd
BP		 2117 if (mask && ovs_scan(s, "icmp(type=%"SCNi8"/%"SCNi8","
2118 "code=%"SCNi8"/%"SCNi8")%n",
2119 &icmp_key.icmp_type, &icmp_mask.icmp_type,
2120 &icmp_key.icmp_code, &icmp_mask.icmp_code, &n)) {
e6cc0bab
AZ		 2121 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
2122 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2123 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP,
2124 &icmp_mask, sizeof icmp_mask);
2125 return n;
c2c28dfd
BP		 2126 } else if (ovs_scan(s, "icmp(type=%"SCNi8",code=%"SCNi8")%n",
2127 &icmp_key.icmp_type, &icmp_key.icmp_code, &n)) {
df2c07f4 2128 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
3bffc610 2129 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2130 if (mask) {
2131 memset(&icmp_key, 0xff, sizeof icmp_key);
2132 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key,
2133 sizeof icmp_key);
2134 }
3bffc610
BP		 2135 return n;
2136 }
2137 }
2138
2139 {
df2c07f4 2140 struct ovs_key_icmpv6 icmpv6_key;
e6cc0bab 2141 struct ovs_key_icmpv6 icmpv6_mask;
3bffc610
BP		 2142 int n = -1;
2143
c2c28dfd
BP		 2144 if (mask && ovs_scan(s, "icmpv6(type=%"SCNi8"/%"SCNi8","
2145 "code=%"SCNi8"/%"SCNi8")%n",
2146 &icmpv6_key.icmpv6_type, &icmpv6_mask.icmpv6_type,
2147 &icmpv6_key.icmpv6_code, &icmpv6_mask.icmpv6_code,
2148 &n)) {
e6cc0bab
AZ		 2149 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
2150 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2151 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask,
2152 sizeof icmpv6_mask);
2153 return n;
c2c28dfd
BP		 2154 } else if (ovs_scan(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n",
2155 &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,
2156 &n)) {
df2c07f4 2157 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
3bffc610 2158 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2159
2160 if (mask) {
2161 memset(&icmpv6_key, 0xff, sizeof icmpv6_key);
2162 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key,
2163 sizeof icmpv6_key);
2164 }
3bffc610
BP		 2165 return n;
2166 }
2167 }
2168
2169 {
c2c28dfd
BP		 2170 struct ovs_key_arp arp_key;
2171 struct ovs_key_arp arp_mask;
2172 uint16_t arp_op, arp_op_mask;
3bffc610
BP		 2173 int n = -1;
2174
c2c28dfd
BP		 2175 if (mask && ovs_scan(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2176 "tip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2177 "op=%"SCNi16"/%"SCNi16","
2178 "sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2179 "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2180 IP_SCAN_ARGS(&arp_key.arp_sip),
2181 IP_SCAN_ARGS(&arp_mask.arp_sip),
2182 IP_SCAN_ARGS(&arp_key.arp_tip),
2183 IP_SCAN_ARGS(&arp_mask.arp_tip),
2184 &arp_op, &arp_op_mask,
2185 ETH_ADDR_SCAN_ARGS(arp_key.arp_sha),
2186 ETH_ADDR_SCAN_ARGS(arp_mask.arp_sha),
2187 ETH_ADDR_SCAN_ARGS(arp_key.arp_tha),
2188 ETH_ADDR_SCAN_ARGS(arp_mask.arp_tha), &n)) {
e6cc0bab 2189 arp_key.arp_op = htons(arp_op);
e6cc0bab 2190 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab 2191 arp_mask.arp_op = htons(arp_op_mask);
e6cc0bab
AZ		 2192 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2193 &arp_mask, sizeof arp_mask);
2194 return n;
c2c28dfd
BP		 2195 } else if (ovs_scan(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT","
2196 "op=%"SCNi16",sha="ETH_ADDR_SCAN_FMT","
2197 "tha="ETH_ADDR_SCAN_FMT")%n",
2198 IP_SCAN_ARGS(&arp_key.arp_sip),
2199 IP_SCAN_ARGS(&arp_key.arp_tip),
2200 &arp_op,
2201 ETH_ADDR_SCAN_ARGS(arp_key.arp_sha),
2202 ETH_ADDR_SCAN_ARGS(arp_key.arp_tha), &n)) {
3bffc610 2203 arp_key.arp_op = htons(arp_op);
df2c07f4 2204 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab
AZ		 2205
2206 if (mask) {
2207 memset(&arp_key, 0xff, sizeof arp_key);
2208 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2209 &arp_key, sizeof arp_key);
2210 }
3bffc610
BP		 2211 return n;
2212 }
2213 }
2214
2215 {
2216 char nd_target_s[IPV6_SCAN_LEN + 1];
e6cc0bab 2217 char nd_target_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 2218 uint8_t nd_sll[ETH_ADDR_LEN];
e6cc0bab 2219 uint8_t nd_sll_mask[ETH_ADDR_LEN];
3bffc610 2220 uint8_t nd_tll[ETH_ADDR_LEN];
e6cc0bab 2221 uint8_t nd_tll_mask[ETH_ADDR_LEN];
3bffc610
BP		 2222 int n = -1;
2223
dc8c5408
AZ		 2224 nd_target_mask_s[0] = 0;
2225 memset(nd_sll_mask, 0xff, sizeof nd_sll_mask);
2226 memset(nd_tll_mask, 0xff, sizeof nd_tll_mask);
e6cc0bab 2227
c2c28dfd
BP		 2228 if (mask && ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n",
2229 nd_target_s, nd_target_mask_s, &n)) {
e6cc0bab 2230 put_nd_key(n, nd_target_s, NULL, NULL, key);
dc8c5408 2231 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
c2c28dfd
BP		 2232 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT")%n",
2233 nd_target_s, &n)) {
e6cc0bab
AZ		 2234 put_nd_key(n, nd_target_s, NULL, NULL, key);
2235 if (mask) {
dc8c5408 2236 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
e6cc0bab 2237 }
c2c28dfd
BP		 2238 } else if (mask &&
2239 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2240 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2241 nd_target_s, nd_target_mask_s,
2242 ETH_ADDR_SCAN_ARGS(nd_sll),
2243 ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n)) {
e6cc0bab 2244 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
dc8c5408 2245 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
c2c28dfd
BP		 2246 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2247 "sll="ETH_ADDR_SCAN_FMT")%n",
2248 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n)) {
e6cc0bab
AZ		 2249 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
2250 if (mask) {
dc8c5408 2251 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
e6cc0bab 2252 }
c2c28dfd
BP		 2253 } else if (mask &&
2254 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2255 ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2256 nd_target_s, nd_target_mask_s,
2257 ETH_ADDR_SCAN_ARGS(nd_tll),
2258 ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n)) {
e6cc0bab 2259 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
dc8c5408 2260 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
c2c28dfd
BP		 2261 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2262 "tll="ETH_ADDR_SCAN_FMT")%n",
2263 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n)) {
e6cc0bab
AZ		 2264 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
2265 if (mask) {
dc8c5408 2266 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
e6cc0bab 2267 }
c2c28dfd
BP		 2268 } else if (mask &&
2269 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2270 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2271 "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2272 nd_target_s, nd_target_mask_s,
2273 ETH_ADDR_SCAN_ARGS(nd_sll),
2274 ETH_ADDR_SCAN_ARGS(nd_sll_mask),
2275 ETH_ADDR_SCAN_ARGS(nd_tll),
2276 ETH_ADDR_SCAN_ARGS(nd_tll_mask),
2277 &n)) {
e6cc0bab 2278 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
dc8c5408 2279 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
c2c28dfd
BP		 2280 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2281 "sll="ETH_ADDR_SCAN_FMT","
2282 "tll="ETH_ADDR_SCAN_FMT")%n",
2283 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
2284 ETH_ADDR_SCAN_ARGS(nd_tll), &n)) {
e6cc0bab
AZ		 2285 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
2286 if (mask) {
dc8c5408
AZ		 2287 put_nd_mask(n, nd_target_mask_s,
2288 nd_sll_mask, nd_tll_mask, mask);
e6cc0bab 2289 }
3bffc610 2290 }
e6cc0bab
AZ		 2291
2292 if (n != -1)
2293 return n;
2294
3bffc610
BP		 2295 }
2296
fea393b1
BP		 2297 if (!strncmp(s, "encap(", 6)) {
2298 const char *start = s;
e6cc0bab 2299 size_t encap, encap_mask = 0;
fea393b1
BP		 2300
2301 encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP);
e6cc0bab
AZ		 2302 if (mask) {
2303 encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP);
2304 }
fea393b1
BP		 2305
2306 s += 6;
2307 for (;;) {
2308 int retval;
2309
2310 s += strspn(s, ", \t\r\n");
2311 if (!*s) {
2312 return -EINVAL;
2313 } else if (*s == ')') {
2314 break;
2315 }
2316
e6cc0bab 2317 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
fea393b1
BP		 2318 if (retval < 0) {
2319 return retval;
2320 }
2321 s += retval;
2322 }
2323 s++;
2324
2325 nl_msg_end_nested(key, encap);
e6cc0bab
AZ		 2326 if (mask) {
2327 nl_msg_end_nested(mask, encap_mask);
2328 }
fea393b1
BP		 2329
2330 return s - start;
2331 }
2332
3bffc610
BP		 2333 return -EINVAL;
2334}
2335
df2c07f4
JP		 2336/* Parses the string representation of a datapath flow key, in the
2337 * format output by odp_flow_key_format(). Returns 0 if successful,
2338 * otherwise a positive errno value. On success, the flow key is
2339 * appended to 'key' as a series of Netlink attributes. On failure, no
2340 * data is appended to 'key'. Either way, 'key''s data might be
2341 * reallocated.
3bffc610 2342 *
44bac24b
BP		 2343 * If 'port_names' is nonnull, it points to an simap that maps from a port name
2344 * to a port number. (Port names may be used instead of port numbers in
2345 * in_port.)
b2a60db8 2346 *
3bffc610
BP		 2347 * On success, the attributes appended to 'key' are individually syntactically
2348 * valid, but they may not be valid as a sequence. 'key' might, for example,
34118cae 2349 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
3bffc610 2350int
e6cc0bab
AZ		 2351odp_flow_from_string(const char *s, const struct simap *port_names,
2352 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610
BP		 2353{
2354 const size_t old_size = key->size;
2355 for (;;) {
2356 int retval;
2357
7202cbe5 2358 s += strspn(s, delimiters);
3bffc610
BP		 2359 if (!*s) {
2360 return 0;
2361 }
2362
e6cc0bab 2363 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
3bffc610
BP		 2364 if (retval < 0) {
2365 key->size = old_size;
2366 return -retval;
2367 }
2368 s += retval;
2369 }
2370
2371 return 0;
2372}
2373
7257b535 2374static uint8_t
c4f2731d 2375ovs_to_odp_frag(uint8_t nw_frag)
7257b535 2376{
c4f2731d
PS		 2377 return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE
2378 : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
2379 : OVS_FRAG_TYPE_LATER);
7257b535
BP		 2380}
2381
431495b1
AZ		 2382static uint8_t
2383ovs_to_odp_frag_mask(uint8_t nw_frag_mask)
2384{
2385 uint8_t frag_mask = ~(OVS_FRAG_TYPE_FIRST | OVS_FRAG_TYPE_LATER);
2386
2387 frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_FIRST : 0;
2388 frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_LATER) ? OVS_FRAG_TYPE_LATER : 0;
2389
2390 return frag_mask;
2391}
2392
661cbcd5
JP		 2393static void
2394odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *data,
2395 const struct flow *flow, odp_port_t odp_in_port)
14608a15 2396{
661cbcd5 2397 bool is_mask;
df2c07f4 2398 struct ovs_key_ethernet *eth_key;
fea393b1 2399 size_t encap;
36956a7d 2400
661cbcd5
JP		 2401 /* We assume that if 'data' and 'flow' are not the same, we should
2402 * treat 'data' as a mask. */
2403 is_mask = (data != flow);
2404
54bb0348 2405 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
abff858b 2406
01fcdfc6 2407 if (flow->tunnel.ip_dst || is_mask) {
661cbcd5 2408 tun_key_to_attr(buf, &data->tunnel);
36956a7d
BP		 2409 }
2410
1362e248 2411 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark);
72e8bf28 2412
661cbcd5
JP		 2413 /* Add an ingress port attribute if this is a mask or 'odp_in_port'
2414 * is not the magical value "ODPP_NONE". */
2415 if (is_mask || odp_in_port != ODPP_NONE) {
4e022ec0 2416 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
18886b60 2417 }
36956a7d 2418
df2c07f4 2419 eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
36956a7d 2420 sizeof *eth_key);
661cbcd5
JP		 2421 memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN);
2422 memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN);
36956a7d 2423
8ddc056d 2424 if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
bed7d6a1 2425 if (is_mask) {
b8266395 2426 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
bed7d6a1
JP		 2427 } else {
2428 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
2429 }
661cbcd5 2430 nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci);
fea393b1 2431 encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
8ddc056d
BP		 2432 if (flow->vlan_tci == htons(0)) {
2433 goto unencap;
2434 }
fea393b1
BP		 2435 } else {
2436 encap = 0;
36956a7d
BP		 2437 }
2438
2439 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
661cbcd5
JP		 2440 /* For backwards compatibility with kernels that don't support
2441 * wildcarding, the following convention is used to encode the
2442 * OVS_KEY_ATTR_ETHERTYPE for key and mask:
2443 *
2444 * key mask matches
2445 * -------- -------- -------
2446 * >0x5ff 0xffff Specified Ethernet II Ethertype.
2447 * >0x5ff 0 Any Ethernet II or non-Ethernet II frame.
2448 * <none> 0xffff Any non-Ethernet II frame (except valid
2449 * 802.3 SNAP packet with valid eth_type).
2450 */
2451 if (is_mask) {
b8266395 2452 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
661cbcd5 2453 }
fea393b1 2454 goto unencap;
36956a7d
BP		 2455 }
2456
661cbcd5 2457 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type);
36956a7d
BP		 2458
2459 if (flow->dl_type == htons(ETH_TYPE_IP)) {
df2c07f4 2460 struct ovs_key_ipv4 *ipv4_key;
36956a7d 2461
df2c07f4 2462 ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
36956a7d 2463 sizeof *ipv4_key);
661cbcd5
JP		 2464 ipv4_key->ipv4_src = data->nw_src;
2465 ipv4_key->ipv4_dst = data->nw_dst;
2466 ipv4_key->ipv4_proto = data->nw_proto;
2467 ipv4_key->ipv4_tos = data->nw_tos;
2468 ipv4_key->ipv4_ttl = data->nw_ttl;
431495b1
AZ		 2469 ipv4_key->ipv4_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag)
2470 : ovs_to_odp_frag(data->nw_frag);
d31f1109 2471 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
df2c07f4 2472 struct ovs_key_ipv6 *ipv6_key;
d31f1109 2473
df2c07f4 2474 ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
d31f1109 2475 sizeof *ipv6_key);
661cbcd5
JP		 2476 memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src);
2477 memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst);
2478 ipv6_key->ipv6_label = data->ipv6_label;
2479 ipv6_key->ipv6_proto = data->nw_proto;
2480 ipv6_key->ipv6_tclass = data->nw_tos;
2481 ipv6_key->ipv6_hlimit = data->nw_ttl;
431495b1
AZ		 2482 ipv6_key->ipv6_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag)
2483 : ovs_to_odp_frag(data->nw_frag);
8087f5ff
MM		 2484 } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
2485 flow->dl_type == htons(ETH_TYPE_RARP)) {
df2c07f4 2486 struct ovs_key_arp *arp_key;
d31f1109 2487
9ddf12cc
BP		 2488 arp_key = nl_msg_put_unspec_zero(buf, OVS_KEY_ATTR_ARP,
2489 sizeof *arp_key);
661cbcd5
JP		 2490 arp_key->arp_sip = data->nw_src;
2491 arp_key->arp_tip = data->nw_dst;
2492 arp_key->arp_op = htons(data->nw_proto);
2493 memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN);
2494 memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN);
b0a17866 2495 } else if (eth_type_mpls(flow->dl_type)) {
b02475c5
SH		 2496 struct ovs_key_mpls *mpls_key;
2497
2498 mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS,
2499 sizeof *mpls_key);
661cbcd5 2500 mpls_key->mpls_lse = data->mpls_lse;
b02475c5
SH		 2501 }
2502
48cecbdc 2503 if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
6767a2cc 2504 if (flow->nw_proto == IPPROTO_TCP) {
df2c07f4 2505 struct ovs_key_tcp *tcp_key;
36956a7d 2506
df2c07f4 2507 tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
36956a7d 2508 sizeof *tcp_key);
661cbcd5
JP		 2509 tcp_key->tcp_src = data->tp_src;
2510 tcp_key->tcp_dst = data->tp_dst;
dc235f7f
JR		 2511
2512 if (data->tcp_flags) {
2513 nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags);
2514 }
6767a2cc 2515 } else if (flow->nw_proto == IPPROTO_UDP) {
df2c07f4 2516 struct ovs_key_udp *udp_key;
36956a7d 2517
df2c07f4 2518 udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
36956a7d 2519 sizeof *udp_key);
661cbcd5
JP		 2520 udp_key->udp_src = data->tp_src;
2521 udp_key->udp_dst = data->tp_dst;
c6bcb685
JS		 2522 } else if (flow->nw_proto == IPPROTO_SCTP) {
2523 struct ovs_key_sctp *sctp_key;
2524
2525 sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP,
2526 sizeof *sctp_key);
2527 sctp_key->sctp_src = data->tp_src;
2528 sctp_key->sctp_dst = data->tp_dst;
d31f1109
JP		 2529 } else if (flow->dl_type == htons(ETH_TYPE_IP)
2530 && flow->nw_proto == IPPROTO_ICMP) {
df2c07f4 2531 struct ovs_key_icmp *icmp_key;
36956a7d 2532
df2c07f4 2533 icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
36956a7d 2534 sizeof *icmp_key);
661cbcd5
JP		 2535 icmp_key->icmp_type = ntohs(data->tp_src);
2536 icmp_key->icmp_code = ntohs(data->tp_dst);
d31f1109
JP		 2537 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
2538 && flow->nw_proto == IPPROTO_ICMPV6) {
df2c07f4 2539 struct ovs_key_icmpv6 *icmpv6_key;
d31f1109 2540
df2c07f4 2541 icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
d31f1109 2542 sizeof *icmpv6_key);
661cbcd5
JP		 2543 icmpv6_key->icmpv6_type = ntohs(data->tp_src);
2544 icmpv6_key->icmpv6_code = ntohs(data->tp_dst);
685a51a5 2545
6f8dbd27
GY		 2546 if (flow->tp_dst == htons(0) &&
2547 (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
2548 flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) &&
2549 (!is_mask || (data->tp_src == htons(0xffff) &&
2550 data->tp_dst == htons(0xffff)))) {
2551
df2c07f4 2552 struct ovs_key_nd *nd_key;
685a51a5 2553
df2c07f4 2554 nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
685a51a5 2555 sizeof *nd_key);
661cbcd5 2556 memcpy(nd_key->nd_target, &data->nd_target,
685a51a5 2557 sizeof nd_key->nd_target);
661cbcd5
JP		 2558 memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN);
2559 memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN);
685a51a5 2560 }
36956a7d 2561 }
36956a7d 2562 }
fea393b1
BP		 2563
2564unencap:
2565 if (encap) {
2566 nl_msg_end_nested(buf, encap);
2567 }
36956a7d 2568}
661cbcd5
JP		 2569
2570/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
2571 * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
2572 * number rather than a datapath port number). Instead, if 'odp_in_port'
2573 * is anything other than ODPP_NONE, it is included in 'buf' as the input
2574 * port.
2575 *
2576 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2577 * capable of being expanded to allow for that much space. */
2578void
2579odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
2580 odp_port_t odp_in_port)
2581{
2582 odp_flow_key_from_flow__(buf, flow, flow, odp_in_port);
2583}
2584
2585/* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to
2586 * 'buf'. 'flow' is used as a template to determine how to interpret
2587 * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but
2588 * it doesn't indicate whether the other fields should be interpreted as
2589 * ARP, IPv4, IPv6, etc.
2590 *
2591 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2592 * capable of being expanded to allow for that much space. */
2593void
2594odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask,
2595 const struct flow *flow, uint32_t odp_in_port_mask)
2596{
2597 odp_flow_key_from_flow__(buf, mask, flow, u32_to_odp(odp_in_port_mask));
2598}
36956a7d 2599
758c456d
JR		 2600/* Generate ODP flow key from the given packet metadata */
2601void
2602odp_key_from_pkt_metadata(struct ofpbuf *buf, const struct pkt_metadata *md)
2603{
2604 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority);
2605
2606 if (md->tunnel.ip_dst) {
2607 tun_key_to_attr(buf, &md->tunnel);
2608 }
2609
2610 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark);
2611
2612 /* Add an ingress port attribute if 'odp_in_port' is not the magical
2613 * value "ODPP_NONE". */
2614 if (md->in_port != ODPP_NONE) {
2615 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port);
2616 }
2617}
2618
2619/* Generate packet metadata from the given ODP flow key. */
2620void
2621odp_key_to_pkt_metadata(const struct nlattr *key, size_t key_len,
2622 struct pkt_metadata *md)
2623{
2624 const struct nlattr *nla;
2625 size_t left;
2626 uint32_t wanted_attrs = 1u << OVS_KEY_ATTR_PRIORITY |
2627 1u << OVS_KEY_ATTR_SKB_MARK | 1u << OVS_KEY_ATTR_TUNNEL |
2628 1u << OVS_KEY_ATTR_IN_PORT;
2629
2630 memset(md, 0, sizeof *md);
2631 md->in_port = ODPP_NONE;
2632
2633 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
2634 uint16_t type = nl_attr_type(nla);
2635 size_t len = nl_attr_get_size(nla);
2636 int expected_len = odp_flow_key_attr_len(type);
2637
2638 if (len != expected_len && expected_len >= 0) {
2639 continue;
2640 }
2641
2642 if (type == OVS_KEY_ATTR_PRIORITY) {
2643 md->skb_priority = nl_attr_get_u32(nla);
2644 wanted_attrs &= ~(1u << OVS_KEY_ATTR_PRIORITY);
2645 } else if (type == OVS_KEY_ATTR_SKB_MARK) {
2646 md->pkt_mark = nl_attr_get_u32(nla);
2647 wanted_attrs &= ~(1u << OVS_KEY_ATTR_SKB_MARK);
2648 } else if (type == OVS_KEY_ATTR_TUNNEL) {
2649 enum odp_key_fitness res;
2650
2651 res = odp_tun_key_from_attr(nla, &md->tunnel);
2652 if (res == ODP_FIT_ERROR) {
2653 memset(&md->tunnel, 0, sizeof md->tunnel);
2654 } else if (res == ODP_FIT_PERFECT) {
2655 wanted_attrs &= ~(1u << OVS_KEY_ATTR_TUNNEL);
2656 }
2657 } else if (type == OVS_KEY_ATTR_IN_PORT) {
2658 md->in_port = nl_attr_get_odp_port(nla);
2659 wanted_attrs &= ~(1u << OVS_KEY_ATTR_IN_PORT);
2660 }
2661
2662 if (!wanted_attrs) {
2663 return; /* Have everything. */
2664 }
2665 }
2666}
2667
b0f7b9b5
BP		 2668uint32_t
2669odp_flow_key_hash(const struct nlattr *key, size_t key_len)
2670{
2671 BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
db5a1019
AW		 2672 return hash_words(ALIGNED_CAST(const uint32_t *, key),
2673 key_len / sizeof(uint32_t), 0);
b0f7b9b5
BP		 2674}
2675
34118cae
BP		 2676static void
2677log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title,
b0f7b9b5 2678 uint64_t attrs, int out_of_range_attr,
34118cae
BP		 2679 const struct nlattr *key, size_t key_len)
2680{
2681 struct ds s;
2682 int i;
2683
b0f7b9b5 2684 if (VLOG_DROP_DBG(rl)) {
34118cae
BP		 2685 return;
2686 }
2687
2688 ds_init(&s);
b0f7b9b5
BP		 2689 for (i = 0; i < 64; i++) {
2690 if (attrs & (UINT64_C(1) << i)) {
e6603631
BP		 2691 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2692
2693 ds_put_format(&s, " %s",
2694 ovs_key_attr_to_string(i, namebuf, sizeof namebuf));
34118cae
BP		 2695 }
2696 }
b0f7b9b5
BP		 2697 if (out_of_range_attr) {
2698 ds_put_format(&s, " %d (and possibly others)", out_of_range_attr);
2699 }
34118cae
BP		 2700
2701 ds_put_cstr(&s, ": ");
2702 odp_flow_key_format(key, key_len, &s);
2703
b0f7b9b5 2704 VLOG_DBG("%s:%s", title, ds_cstr(&s));
34118cae
BP		 2705 ds_destroy(&s);
2706}
2707
7257b535 2708static bool
9e44d715 2709odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow)
7257b535 2710{
34118cae
BP		 2711 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2712
9e44d715 2713 if (odp_frag > OVS_FRAG_TYPE_LATER) {
b0f7b9b5 2714 VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag);
7257b535
BP		 2715 return false;
2716 }
2717
7257b535 2718 if (odp_frag != OVS_FRAG_TYPE_NONE) {
eadef313 2719 flow->nw_frag |= FLOW_NW_FRAG_ANY;
7257b535 2720 if (odp_frag == OVS_FRAG_TYPE_LATER) {
eadef313 2721 flow->nw_frag |= FLOW_NW_FRAG_LATER;
7257b535
BP		 2722 }
2723 }
2724 return true;
2725}
2726
b0f7b9b5 2727static bool
fea393b1 2728parse_flow_nlattrs(const struct nlattr *key, size_t key_len,
b0f7b9b5
BP		 2729 const struct nlattr *attrs[], uint64_t *present_attrsp,
2730 int *out_of_range_attrp)
36956a7d 2731{
b0f7b9b5 2732 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
36956a7d 2733 const struct nlattr *nla;
34118cae 2734 uint64_t present_attrs;
36956a7d
BP		 2735 size_t left;
2736
2aef1214 2737 BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs);
34118cae 2738 present_attrs = 0;
b0f7b9b5 2739 *out_of_range_attrp = 0;
36956a7d 2740 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
34118cae
BP		 2741 uint16_t type = nl_attr_type(nla);
2742 size_t len = nl_attr_get_size(nla);
2743 int expected_len = odp_flow_key_attr_len(type);
2744
b0f7b9b5 2745 if (len != expected_len && expected_len >= 0) {
e6603631
BP		 2746 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2747
34582733 2748 VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have "
e6603631
BP		 2749 "length %d", ovs_key_attr_to_string(type, namebuf,
2750 sizeof namebuf),
b0f7b9b5
BP		 2751 len, expected_len);
2752 return false;
34118cae
BP		 2753 }
2754
2aef1214 2755 if (type > OVS_KEY_ATTR_MAX) {
b0f7b9b5
BP		 2756 *out_of_range_attrp = type;
2757 } else {
2758 if (present_attrs & (UINT64_C(1) << type)) {
e6603631
BP		 2759 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2760
b0f7b9b5 2761 VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key",
e6603631
BP		 2762 ovs_key_attr_to_string(type,
2763 namebuf, sizeof namebuf));
b0f7b9b5
BP		 2764 return false;
2765 }
2766
2767 present_attrs |= UINT64_C(1) << type;
2768 attrs[type] = nla;
2769 }
34118cae
BP		 2770 }
2771 if (left) {
2772 VLOG_ERR_RL(&rl, "trailing garbage in flow key");
b0f7b9b5 2773 return false;
34118cae
BP		 2774 }
2775
fea393b1 2776 *present_attrsp = present_attrs;
b0f7b9b5 2777 return true;
fea393b1
BP		 2778}
2779
b0f7b9b5
BP		 2780static enum odp_key_fitness
2781check_expectations(uint64_t present_attrs, int out_of_range_attr,
2782 uint64_t expected_attrs,
fea393b1
BP		 2783 const struct nlattr *key, size_t key_len)
2784{
2785 uint64_t missing_attrs;
2786 uint64_t extra_attrs;
2787
2788 missing_attrs = expected_attrs & ~present_attrs;
2789 if (missing_attrs) {
b0f7b9b5
BP		 2790 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2791 log_odp_key_attributes(&rl, "expected but not present",
2792 missing_attrs, 0, key, key_len);
2793 return ODP_FIT_TOO_LITTLE;
fea393b1
BP		 2794 }
2795
2796 extra_attrs = present_attrs & ~expected_attrs;
b0f7b9b5
BP		 2797 if (extra_attrs || out_of_range_attr) {
2798 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2799 log_odp_key_attributes(&rl, "present but not expected",
2800 extra_attrs, out_of_range_attr, key, key_len);
2801 return ODP_FIT_TOO_MUCH;
fea393b1
BP		 2802 }
2803
b0f7b9b5 2804 return ODP_FIT_PERFECT;
fea393b1
BP		 2805}
2806
b0f7b9b5
BP		 2807static bool
2808parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2809 uint64_t present_attrs, uint64_t *expected_attrs,
4a221615 2810 struct flow *flow, const struct flow *src_flow)
fea393b1
BP		 2811{
2812 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615 2813 bool is_mask = flow != src_flow;
36956a7d 2814
fea393b1 2815 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
34118cae 2816 flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
4a221615 2817 if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) {
34118cae
BP		 2818 VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
2819 ntohs(flow->dl_type));
b0f7b9b5 2820 return false;
34118cae 2821 }
4a221615
GY		 2822 if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN &&
2823 flow->dl_type != htons(0xffff)) {
2824 return false;
2825 }
b0f7b9b5 2826 *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
34118cae 2827 } else {
4a221615
GY		 2828 if (!is_mask) {
2829 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
2830 } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) {
2831 /* See comments in odp_flow_key_from_flow__(). */
2832 VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame");
2833 return false;
2834 }
34118cae 2835 }
b0f7b9b5
BP		 2836 return true;
2837}
2838
2839static enum odp_key_fitness
b02475c5
SH		 2840parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2841 uint64_t present_attrs, int out_of_range_attr,
2842 uint64_t expected_attrs, struct flow *flow,
4a221615 2843 const struct nlattr *key, size_t key_len,
91a77332 2844 const struct flow *src_flow)
b0f7b9b5
BP		 2845{
2846 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615
GY		 2847 bool is_mask = src_flow != flow;
2848 const void *check_start = NULL;
2849 size_t check_len = 0;
2850 enum ovs_key_attr expected_bit = 0xff;
2851
2852 if (eth_type_mpls(src_flow->dl_type)) {
91a77332
GS		 2853 if (!is_mask) {
2854 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
4a221615 2855
91a77332
GS		 2856 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
2857 return ODP_FIT_TOO_LITTLE;
2858 }
2859 flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
4a221615
GY		 2860 } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) {
2861 flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
2862
2863 if (flow->mpls_lse != 0 && flow->dl_type != htons(0xffff)) {
2864 return ODP_FIT_ERROR;
2865 }
2866 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
4a221615
GY		 2867 }
2868 goto done;
2869 } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) {
2870 if (!is_mask) {
2871 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
b02475c5 2872 }
fea393b1 2873 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
34118cae 2874 const struct ovs_key_ipv4 *ipv4_key;
36956a7d 2875
34118cae 2876 ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]);
36956a7d
BP		 2877 flow->nw_src = ipv4_key->ipv4_src;
2878 flow->nw_dst = ipv4_key->ipv4_dst;
2879 flow->nw_proto = ipv4_key->ipv4_proto;
eadef313 2880 flow->nw_tos = ipv4_key->ipv4_tos;
a61680c6 2881 flow->nw_ttl = ipv4_key->ipv4_ttl;
4a221615 2882 if (is_mask) {
91a77332 2883 flow->nw_frag = ipv4_key->ipv4_frag;
4a221615
GY		 2884 check_start = ipv4_key;
2885 check_len = sizeof *ipv4_key;
2886 expected_bit = OVS_KEY_ATTR_IPV4;
2887 } else if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
b0f7b9b5 2888 return ODP_FIT_ERROR;
36956a7d 2889 }
34118cae 2890 }
4a221615
GY		 2891 } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) {
2892 if (!is_mask) {
2893 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
2894 }
fea393b1 2895 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
34118cae 2896 const struct ovs_key_ipv6 *ipv6_key;
36956a7d 2897
34118cae 2898 ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]);
d31f1109
JP		 2899 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
2900 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
fa8223b7 2901 flow->ipv6_label = ipv6_key->ipv6_label;
d31f1109 2902 flow->nw_proto = ipv6_key->ipv6_proto;
eadef313 2903 flow->nw_tos = ipv6_key->ipv6_tclass;
a61680c6 2904 flow->nw_ttl = ipv6_key->ipv6_hlimit;
4a221615 2905 if (is_mask) {
91a77332 2906 flow->nw_frag = ipv6_key->ipv6_frag;
4a221615
GY		 2907 check_start = ipv6_key;
2908 check_len = sizeof *ipv6_key;
2909 expected_bit = OVS_KEY_ATTR_IPV6;
2910 } else if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
b0f7b9b5 2911 return ODP_FIT_ERROR;
d31f1109 2912 }
34118cae 2913 }
4a221615
GY		 2914 } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) ||
2915 src_flow->dl_type == htons(ETH_TYPE_RARP)) {
2916 if (!is_mask) {
2917 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
2918 }
fea393b1 2919 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
34118cae 2920 const struct ovs_key_arp *arp_key;
d31f1109 2921
34118cae 2922 arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
36956a7d
BP		 2923 flow->nw_src = arp_key->arp_sip;
2924 flow->nw_dst = arp_key->arp_tip;
4a221615 2925 if (!is_mask && (arp_key->arp_op & htons(0xff00))) {
34118cae
BP		 2926 VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
2927 "key", ntohs(arp_key->arp_op));
b0f7b9b5 2928 return ODP_FIT_ERROR;
36956a7d
BP		 2929 }
2930 flow->nw_proto = ntohs(arp_key->arp_op);
bad68a99
JP		 2931 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
2932 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
4a221615
GY		 2933
2934 if (is_mask) {
2935 check_start = arp_key;
2936 check_len = sizeof *arp_key;
2937 expected_bit = OVS_KEY_ATTR_ARP;
2938 }
2939 }
2940 } else {
2941 goto done;
2942 }
df4eeb20 2943 if (check_len > 0) { /* Happens only when 'is_mask'. */
4a221615
GY		 2944 if (!is_all_zeros(check_start, check_len) &&
2945 flow->dl_type != htons(0xffff)) {
2946 return ODP_FIT_ERROR;
2947 } else {
2948 expected_attrs |= UINT64_C(1) << expected_bit;
36956a7d 2949 }
36956a7d 2950 }
36956a7d 2951
4a221615
GY		 2952 expected_bit = OVS_KEY_ATTR_UNSPEC;
2953 if (src_flow->nw_proto == IPPROTO_TCP
2954 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
2955 src_flow->dl_type == htons(ETH_TYPE_IPV6))
2956 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
2957 if (!is_mask) {
2958 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
2959 }
fea393b1 2960 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
34118cae 2961 const struct ovs_key_tcp *tcp_key;
36956a7d 2962
34118cae
BP		 2963 tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
2964 flow->tp_src = tcp_key->tcp_src;
2965 flow->tp_dst = tcp_key->tcp_dst;
4a221615
GY		 2966 expected_bit = OVS_KEY_ATTR_TCP;
2967 }
dc235f7f
JR		 2968 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) {
2969 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS;
2970 flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]);
2971 }
4a221615
GY		 2972 } else if (src_flow->nw_proto == IPPROTO_UDP
2973 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
2974 src_flow->dl_type == htons(ETH_TYPE_IPV6))
2975 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
2976 if (!is_mask) {
2977 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
7257b535 2978 }
fea393b1 2979 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
34118cae
BP		 2980 const struct ovs_key_udp *udp_key;
2981
2982 udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
2983 flow->tp_src = udp_key->udp_src;
2984 flow->tp_dst = udp_key->udp_dst;
4a221615
GY		 2985 expected_bit = OVS_KEY_ATTR_UDP;
2986 }
12848ebf
GS		 2987 } else if (src_flow->nw_proto == IPPROTO_SCTP
2988 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
2989 src_flow->dl_type == htons(ETH_TYPE_IPV6))
2990 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
c6bcb685
JS		 2991 if (!is_mask) {
2992 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP;
2993 }
2994 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) {
2995 const struct ovs_key_sctp *sctp_key;
2996
2997 sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]);
2998 flow->tp_src = sctp_key->sctp_src;
2999 flow->tp_dst = sctp_key->sctp_dst;
3000 expected_bit = OVS_KEY_ATTR_SCTP;
3001 }
4a221615
GY		 3002 } else if (src_flow->nw_proto == IPPROTO_ICMP
3003 && src_flow->dl_type == htons(ETH_TYPE_IP)
3004 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3005 if (!is_mask) {
3006 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
d31f1109 3007 }
fea393b1 3008 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
34118cae
BP		 3009 const struct ovs_key_icmp *icmp_key;
3010
3011 icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
3012 flow->tp_src = htons(icmp_key->icmp_type);
3013 flow->tp_dst = htons(icmp_key->icmp_code);
4a221615
GY		 3014 expected_bit = OVS_KEY_ATTR_ICMP;
3015 }
3016 } else if (src_flow->nw_proto == IPPROTO_ICMPV6
3017 && src_flow->dl_type == htons(ETH_TYPE_IPV6)
3018 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3019 if (!is_mask) {
3020 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
685a51a5 3021 }
fea393b1 3022 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
34118cae
BP		 3023 const struct ovs_key_icmpv6 *icmpv6_key;
3024
3025 icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
3026 flow->tp_src = htons(icmpv6_key->icmpv6_type);
3027 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
4a221615 3028 expected_bit = OVS_KEY_ATTR_ICMPV6;
6f8dbd27
GY		 3029 if (src_flow->tp_dst == htons(0) &&
3030 (src_flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
3031 src_flow->tp_src == htons(ND_NEIGHBOR_ADVERT))) {
4a221615
GY		 3032 if (!is_mask) {
3033 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
3034 }
fea393b1 3035 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
34118cae
BP		 3036 const struct ovs_key_nd *nd_key;
3037
3038 nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]);
3039 memcpy(&flow->nd_target, nd_key->nd_target,
3040 sizeof flow->nd_target);
3041 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
3042 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
4a221615
GY		 3043 if (is_mask) {
3044 if (!is_all_zeros((const uint8_t *) nd_key,
3045 sizeof *nd_key) &&
6f8dbd27
GY		 3046 (flow->tp_src != htons(0xffff) ||
3047 flow->tp_dst != htons(0xffff))) {
4a221615
GY		 3048 return ODP_FIT_ERROR;
3049 } else {
3050 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
3051 }
3052 }
34118cae
BP		 3053 }
3054 }
7257b535 3055 }
34118cae 3056 }
4a221615
GY		 3057 if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) {
3058 if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) {
3059 return ODP_FIT_ERROR;
3060 } else {
3061 expected_attrs |= UINT64_C(1) << expected_bit;
3062 }
3063 }
7257b535 3064
4a221615 3065done:
b0f7b9b5
BP		 3066 return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
3067 key, key_len);
3068}
3069
3070/* Parse 802.1Q header then encapsulated L3 attributes. */
3071static enum odp_key_fitness
3072parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
3073 uint64_t present_attrs, int out_of_range_attr,
3074 uint64_t expected_attrs, struct flow *flow,
4a221615
GY		 3075 const struct nlattr *key, size_t key_len,
3076 const struct flow *src_flow)
b0f7b9b5
BP		 3077{
3078 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615 3079 bool is_mask = src_flow != flow;
b0f7b9b5
BP		 3080
3081 const struct nlattr *encap
3082 = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
3083 ? attrs[OVS_KEY_ATTR_ENCAP] : NULL);
3084 enum odp_key_fitness encap_fitness;
3085 enum odp_key_fitness fitness;
3086 ovs_be16 tci;
3087
ec9f40dc 3088 /* Calculate fitness of outer attributes. */
4a221615
GY		 3089 if (!is_mask) {
3090 expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
3091 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
3092 } else {
3093 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
3094 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
3095 }
3096 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) {
3097 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP);
3098 }
3099 }
b0f7b9b5
BP		 3100 fitness = check_expectations(present_attrs, out_of_range_attr,
3101 expected_attrs, key, key_len);
3102
3103 /* Get the VLAN TCI value. */
4a221615 3104 if (!is_mask && !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
b0f7b9b5 3105 return ODP_FIT_TOO_LITTLE;
4a221615 3106 } else {
5054d6fd
BP		 3107 tci = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)
3108 ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN])
3109 : htons(0));
4a221615 3110 if (!is_mask) {
91a77332 3111 if (tci == htons(0)) {
4a221615 3112 /* Corner case for a truncated 802.1Q header. */
91a77332
GS		 3113 if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
3114 return ODP_FIT_TOO_MUCH;
3115 }
3116 return fitness;
3117 } else if (!(tci & htons(VLAN_CFI))) {
3118 VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
3119 "but CFI bit is not set", ntohs(tci));
3120 return ODP_FIT_ERROR;
3121 }
4a221615
GY		 3122 }
3123 /* Set vlan_tci.
3124 * Remove the TPID from dl_type since it's not the real Ethertype. */
3125 flow->dl_type = htons(0);
3126 flow->vlan_tci = tci;
3127 }
3128
3129 if (is_mask && !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) {
b0f7b9b5 3130 return fitness;
b0f7b9b5 3131 }
b0f7b9b5
BP		 3132 /* Now parse the encapsulated attributes. */
3133 if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
3134 attrs, &present_attrs, &out_of_range_attr)) {
3135 return ODP_FIT_ERROR;
3136 }
3137 expected_attrs = 0;
3138
4a221615 3139 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, src_flow)) {
b0f7b9b5
BP		 3140 return ODP_FIT_ERROR;
3141 }
b02475c5 3142 encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3143 expected_attrs, flow, key, key_len,
3144 src_flow);
b0f7b9b5
BP		 3145
3146 /* The overall fitness is the worse of the outer and inner attributes. */
3147 return MAX(fitness, encap_fitness);
3148}
3149
4a221615
GY		 3150static enum odp_key_fitness
3151odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len,
3152 struct flow *flow, const struct flow *src_flow)
b0f7b9b5 3153{
b0f7b9b5
BP		 3154 const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
3155 uint64_t expected_attrs;
3156 uint64_t present_attrs;
3157 int out_of_range_attr;
4a221615 3158 bool is_mask = src_flow != flow;
b0f7b9b5
BP		 3159
3160 memset(flow, 0, sizeof *flow);
3161
3162 /* Parse attributes. */
3163 if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs,
3164 &out_of_range_attr)) {
3165 return ODP_FIT_ERROR;
3166 }
3167 expected_attrs = 0;
3168
3169 /* Metadata. */
3170 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) {
deedf7e7 3171 flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]);
b0f7b9b5
BP		 3172 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
3173 }
3174
72e8bf28 3175 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) {
1362e248 3176 flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
72e8bf28
AA		 3177 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK;
3178 }
3179
9b405f1a
PS		 3180 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) {
3181 enum odp_key_fitness res;
05fb0928 3182
617e10e7 3183 res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel);
9b405f1a
PS		 3184 if (res == ODP_FIT_ERROR) {
3185 return ODP_FIT_ERROR;
3186 } else if (res == ODP_FIT_PERFECT) {
3187 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL;
05fb0928
JR		 3188 }
3189 }
3190
b0f7b9b5 3191 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
4e022ec0
AW		 3192 flow->in_port.odp_port
3193 = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]);
b0f7b9b5 3194 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
4a221615 3195 } else if (!is_mask) {
4e022ec0 3196 flow->in_port.odp_port = ODPP_NONE;
b0f7b9b5
BP		 3197 }
3198
3199 /* Ethernet header. */
3200 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) {
3201 const struct ovs_key_ethernet *eth_key;
3202
3203 eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
3204 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
3205 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
4a221615
GY		 3206 if (is_mask) {
3207 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
3208 }
3209 }
3210 if (!is_mask) {
3211 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
b0f7b9b5 3212 }
b0f7b9b5
BP		 3213
3214 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
4a221615
GY		 3215 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow,
3216 src_flow)) {
b0f7b9b5
BP		 3217 return ODP_FIT_ERROR;
3218 }
3219
21e70add
BP		 3220 if (is_mask
3221 ? (src_flow->vlan_tci & htons(VLAN_CFI)) != 0
3222 : src_flow->dl_type == htons(ETH_TYPE_VLAN)) {
b0f7b9b5 3223 return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3224 expected_attrs, flow, key, key_len, src_flow);
3225 }
3226 if (is_mask) {
3227 flow->vlan_tci = htons(0xffff);
3228 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
3229 flow->vlan_tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
3230 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
3231 }
b0f7b9b5 3232 }
b02475c5 3233 return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3234 expected_attrs, flow, key, key_len, src_flow);
3235}
3236
3237/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
3238 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
3239 * 'key' fits our expectations for what a flow key should contain.
3240 *
3241 * The 'in_port' will be the datapath's understanding of the port. The
3242 * caller will need to translate with odp_port_to_ofp_port() if the
3243 * OpenFlow port is needed.
3244 *
3245 * This function doesn't take the packet itself as an argument because none of
3246 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
3247 * it is always possible to infer which additional attribute(s) should appear
3248 * by looking at the attributes for lower-level protocols, e.g. if the network
3249 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
3250 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
3251 * must be absent. */
3252enum odp_key_fitness
3253odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
3254 struct flow *flow)
3255{
3256 return odp_flow_key_to_flow__(key, key_len, flow, flow);
3257}
3258
3259/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask
3260 * structure in 'mask'. 'flow' must be a previously translated flow
3261 * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well
3262 * 'key' fits our expectations for what a flow key should contain. */
3263enum odp_key_fitness
3264odp_flow_key_to_mask(const struct nlattr *key, size_t key_len,
3265 struct flow *mask, const struct flow *flow)
3266{
3267 return odp_flow_key_to_flow__(key, key_len, mask, flow);
14608a15 3268}
39db78a0 3269
6814e51f
BP		 3270/* Returns 'fitness' as a string, for use in debug messages. */
3271const char *
3272odp_key_fitness_to_string(enum odp_key_fitness fitness)
3273{
3274 switch (fitness) {
3275 case ODP_FIT_PERFECT:
3276 return "OK";
3277 case ODP_FIT_TOO_MUCH:
3278 return "too_much";
3279 case ODP_FIT_TOO_LITTLE:
3280 return "too_little";
3281 case ODP_FIT_ERROR:
3282 return "error";
3283 default:
3284 return "<unknown>";
3285 }
3286}
3287
39db78a0 3288/* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
e995e3df
BP		 3289 * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute
3290 * whose contents are the 'userdata_size' bytes at 'userdata' and returns the
3291 * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is
3292 * null, then the return value is not meaningful.) */
39db78a0 3293size_t
e995e3df
BP		 3294odp_put_userspace_action(uint32_t pid,
3295 const void *userdata, size_t userdata_size,
39db78a0
BP		 3296 struct ofpbuf *odp_actions)
3297{
e995e3df 3298 size_t userdata_ofs;
39db78a0
BP		 3299 size_t offset;
3300
3301 offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
3302 nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
e995e3df
BP		 3303 if (userdata) {
3304 userdata_ofs = odp_actions->size + NLA_HDRLEN;
96ed775f
BP		 3305
3306 /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel
3307 * module before Linux 3.10 required the userdata to be exactly 8 bytes
3308 * long:
3309 *
3310 * - The kernel rejected shorter userdata with -ERANGE.
3311 *
3312 * - The kernel silently dropped userdata beyond the first 8 bytes.
3313 *
3314 * Thus, for maximum compatibility, always put at least 8 bytes. (We
3315 * separately disable features that required more than 8 bytes.) */
3316 memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
3317 MAX(8, userdata_size)),
3318 userdata, userdata_size);
e995e3df
BP		 3319 } else {
3320 userdata_ofs = 0;
39db78a0
BP		 3321 }
3322 nl_msg_end_nested(odp_actions, offset);
3323
e995e3df 3324 return userdata_ofs;
39db78a0 3325}
b9ad7294
EJ		 3326
3327void
3328odp_put_tunnel_action(const struct flow_tnl *tunnel,
3329 struct ofpbuf *odp_actions)
3330{
3331 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3332 tun_key_to_attr(odp_actions, tunnel);
3333 nl_msg_end_nested(odp_actions, offset);
3334}
5bbda0aa
EJ		 3335\f
3336/* The commit_odp_actions() function and its helpers. */
3337
3338static void
3339commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
3340 const void *key, size_t key_size)
3341{
3342 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3343 nl_msg_put_unspec(odp_actions, key_type, key, key_size);
3344 nl_msg_end_nested(odp_actions, offset);
3345}
3346
09a0d2e7 3347void
1362e248 3348odp_put_pkt_mark_action(const uint32_t pkt_mark,
09a0d2e7
AA		 3349 struct ofpbuf *odp_actions)
3350{
1362e248
JG		 3351 commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &pkt_mark,
3352 sizeof(pkt_mark));
09a0d2e7
AA		 3353}
3354
b9ad7294
EJ		 3355/* If any of the flow key data that ODP actions can modify are different in
3356 * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to
3357 * 'odp_actions' that change the flow tunneling information in key from
3358 * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the
3359 * same way. In other words, operates the same as commit_odp_actions(), but
3360 * only on tunneling information. */
3361void
3362commit_odp_tunnel_action(const struct flow *flow, struct flow *base,
5bbda0aa
EJ		 3363 struct ofpbuf *odp_actions)
3364{
05fb0928
JR		 3365 /* A valid IPV4_TUNNEL must have non-zero ip_dst. */
3366 if (flow->tunnel.ip_dst) {
fc80de30
JR		 3367 if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) {
3368 return;
3369 }
3370 memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel);
b9ad7294 3371 odp_put_tunnel_action(&base->tunnel, odp_actions);
05fb0928 3372 }
5bbda0aa
EJ		 3373}
3374
3375static void
3376commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3377 struct ofpbuf *odp_actions,
3378 struct flow_wildcards *wc)
5bbda0aa
EJ		 3379{
3380 struct ovs_key_ethernet eth_key;
3381
3382 if (eth_addr_equals(base->dl_src, flow->dl_src) &&
3383 eth_addr_equals(base->dl_dst, flow->dl_dst)) {
3384 return;
3385 }
3386
1dd35f8a
JP		 3387 memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src);
3388 memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
3389
5bbda0aa
EJ		 3390 memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
3391 memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
3392
3393 memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
3394 memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
3395
3396 commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
3397 &eth_key, sizeof(eth_key));
3398}
3399
3400static void
8fd16af2 3401commit_vlan_action(ovs_be16 vlan_tci, struct flow *base,
1dd35f8a 3402 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3403{
8fd16af2 3404 if (base->vlan_tci == vlan_tci) {
5bbda0aa
EJ		 3405 return;
3406 }
3407
1dd35f8a
JP		 3408 memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
3409
5bbda0aa
EJ		 3410 if (base->vlan_tci & htons(VLAN_CFI)) {
3411 nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
3412 }
3413
8fd16af2 3414 if (vlan_tci & htons(VLAN_CFI)) {
5bbda0aa
EJ		 3415 struct ovs_action_push_vlan vlan;
3416
3417 vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
8fd16af2 3418 vlan.vlan_tci = vlan_tci;
5bbda0aa
EJ		 3419 nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
3420 &vlan, sizeof vlan);
3421 }
8fd16af2 3422 base->vlan_tci = vlan_tci;
5bbda0aa
EJ		 3423}
3424
b02475c5
SH		 3425static void
3426commit_mpls_action(const struct flow *flow, struct flow *base,
b0a17866
SH		 3427 struct ofpbuf *odp_actions, struct flow_wildcards *wc,
3428 int *mpls_depth_delta)
b02475c5 3429{
b0a17866 3430 if (flow->mpls_lse == base->mpls_lse && !*mpls_depth_delta) {
b02475c5
SH		 3431 return;
3432 }
3433
1dd35f8a
JP		 3434 memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse);
3435
b0a17866
SH		 3436 switch (*mpls_depth_delta) {
3437 case -1:
b02475c5 3438 nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, flow->dl_type);
b0a17866
SH		 3439 break;
3440 case 1: {
b02475c5
SH		 3441 struct ovs_action_push_mpls *mpls;
3442
9ddf12cc
BP		 3443 mpls = nl_msg_put_unspec_zero(odp_actions, OVS_ACTION_ATTR_PUSH_MPLS,
3444 sizeof *mpls);
b02475c5
SH		 3445 mpls->mpls_ethertype = flow->dl_type;
3446 mpls->mpls_lse = flow->mpls_lse;
b0a17866
SH		 3447 break;
3448 }
3449 case 0: {
b02475c5
SH		 3450 struct ovs_key_mpls mpls_key;
3451
20131cef 3452 mpls_key.mpls_lse = flow->mpls_lse;
b02475c5
SH		 3453 commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS,
3454 &mpls_key, sizeof(mpls_key));
b0a17866
SH		 3455 break;
3456 }
3457 default:
428b2edd 3458 OVS_NOT_REACHED();
b02475c5
SH		 3459 }
3460
3461 base->dl_type = flow->dl_type;
3462 base->mpls_lse = flow->mpls_lse;
b0a17866 3463 *mpls_depth_delta = 0;
b02475c5
SH		 3464}
3465
5bbda0aa 3466static void
c4f2731d 3467commit_set_ipv4_action(const struct flow *flow, struct flow *base,
1dd35f8a 3468 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa
EJ		 3469{
3470 struct ovs_key_ipv4 ipv4_key;
3471
5bbda0aa
EJ		 3472 if (base->nw_src == flow->nw_src &&
3473 base->nw_dst == flow->nw_dst &&
3474 base->nw_tos == flow->nw_tos &&
3475 base->nw_ttl == flow->nw_ttl &&
3476 base->nw_frag == flow->nw_frag) {
3477 return;
3478 }
3479
1dd35f8a
JP		 3480 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3481 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3482 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3483 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3484 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3485 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3486
5bbda0aa
EJ		 3487 ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
3488 ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
3489 ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
3490 ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
3491 ipv4_key.ipv4_proto = base->nw_proto;
c4f2731d 3492 ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag);
5bbda0aa
EJ		 3493
3494 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
3495 &ipv4_key, sizeof(ipv4_key));
3496}
3497
c4f2731d
PS		 3498static void
3499commit_set_ipv6_action(const struct flow *flow, struct flow *base,
1dd35f8a 3500 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d
PS		 3501{
3502 struct ovs_key_ipv6 ipv6_key;
3503
3504 if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) &&
3505 ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) &&
3506 base->ipv6_label == flow->ipv6_label &&
3507 base->nw_tos == flow->nw_tos &&
3508 base->nw_ttl == flow->nw_ttl &&
3509 base->nw_frag == flow->nw_frag) {
3510 return;
3511 }
3512
1dd35f8a
JP		 3513 memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src);
3514 memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst);
3515 memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label);
3516 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3517 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3518 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3519 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3520
c4f2731d
PS		 3521 base->ipv6_src = flow->ipv6_src;
3522 memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src));
3523 base->ipv6_dst = flow->ipv6_dst;
3524 memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst));
3525
3526 ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label;
3527 ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos;
3528 ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl;
3529 ipv6_key.ipv6_proto = base->nw_proto;
3530 ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag);
3531
3532 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6,
3533 &ipv6_key, sizeof(ipv6_key));
3534}
3535
f6c8a6b1
BP		 3536static enum slow_path_reason
3537commit_set_arp_action(const struct flow *flow, struct flow *base,
3538 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
3539{
3540 struct ovs_key_arp arp_key;
3541
3542 if (base->nw_src == flow->nw_src &&
3543 base->nw_dst == flow->nw_dst &&
3544 base->nw_proto == flow->nw_proto &&
3545 eth_addr_equals(base->arp_sha, flow->arp_sha) &&
3546 eth_addr_equals(base->arp_tha, flow->arp_tha)) {
3547 return 0;
3548 }
3549
3550 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3551 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3552 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3553 memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha);
3554 memset(&wc->masks.arp_tha, 0xff, sizeof wc->masks.arp_tha);
3555
3556 base->nw_src = flow->nw_src;
3557 base->nw_dst = flow->nw_dst;
3558 base->nw_proto = flow->nw_proto;
3559 memcpy(base->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
3560 memcpy(base->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
3561
3562 arp_key.arp_sip = base->nw_src;
3563 arp_key.arp_tip = base->nw_dst;
3564 arp_key.arp_op = htons(base->nw_proto);
3565 memcpy(arp_key.arp_sha, flow->arp_sha, ETH_ADDR_LEN);
3566 memcpy(arp_key.arp_tha, flow->arp_tha, ETH_ADDR_LEN);
3567
3568 commit_set_action(odp_actions, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
3569
3570 return SLOW_ACTION;
3571}
3572
3573static enum slow_path_reason
c4f2731d 3574commit_set_nw_action(const struct flow *flow, struct flow *base,
1dd35f8a 3575 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d 3576{
f6c8a6b1 3577 /* Check if 'flow' really has an L3 header. */
c4f2731d 3578 if (!flow->nw_proto) {
f6c8a6b1 3579 return 0;
c4f2731d
PS		 3580 }
3581
f6c8a6b1
BP		 3582 switch (ntohs(base->dl_type)) {
3583 case ETH_TYPE_IP:
1dd35f8a 3584 commit_set_ipv4_action(flow, base, odp_actions, wc);
f6c8a6b1
BP		 3585 break;
3586
3587 case ETH_TYPE_IPV6:
1dd35f8a 3588 commit_set_ipv6_action(flow, base, odp_actions, wc);
f6c8a6b1
BP		 3589 break;
3590
3591 case ETH_TYPE_ARP:
3592 return commit_set_arp_action(flow, base, odp_actions, wc);
c4f2731d 3593 }
f6c8a6b1
BP		 3594
3595 return 0;
c4f2731d
PS		 3596}
3597
5bbda0aa
EJ		 3598static void
3599commit_set_port_action(const struct flow *flow, struct flow *base,
1dd35f8a 3600 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3601{
1b035ef2 3602 if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) {
5bbda0aa
EJ		 3603 return;
3604 }
3605
3606 if (base->tp_src == flow->tp_src &&
3607 base->tp_dst == flow->tp_dst) {
3608 return;
3609 }
3610
1dd35f8a
JP		 3611 memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src);
3612 memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst);
3613
5bbda0aa
EJ		 3614 if (flow->nw_proto == IPPROTO_TCP) {
3615 struct ovs_key_tcp port_key;
3616
3617 port_key.tcp_src = base->tp_src = flow->tp_src;
3618 port_key.tcp_dst = base->tp_dst = flow->tp_dst;
3619
3620 commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
3621 &port_key, sizeof(port_key));
3622
3623 } else if (flow->nw_proto == IPPROTO_UDP) {
3624 struct ovs_key_udp port_key;
3625
3626 port_key.udp_src = base->tp_src = flow->tp_src;
3627 port_key.udp_dst = base->tp_dst = flow->tp_dst;
3628
3629 commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
3630 &port_key, sizeof(port_key));
c6bcb685
JS		 3631 } else if (flow->nw_proto == IPPROTO_SCTP) {
3632 struct ovs_key_sctp port_key;
3633
3634 port_key.sctp_src = base->tp_src = flow->tp_src;
3635 port_key.sctp_dst = base->tp_dst = flow->tp_dst;
3636
3637 commit_set_action(odp_actions, OVS_KEY_ATTR_SCTP,
3638 &port_key, sizeof(port_key));
5bbda0aa
EJ		 3639 }
3640}
3641
3642static void
3643commit_set_priority_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3644 struct ofpbuf *odp_actions,
3645 struct flow_wildcards *wc)
5bbda0aa 3646{
deedf7e7 3647 if (base->skb_priority == flow->skb_priority) {
5bbda0aa
EJ		 3648 return;
3649 }
1dd35f8a
JP		 3650
3651 memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority);
deedf7e7 3652 base->skb_priority = flow->skb_priority;
5bbda0aa
EJ		 3653
3654 commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
deedf7e7 3655 &base->skb_priority, sizeof(base->skb_priority));
5bbda0aa
EJ		 3656}
3657
72e8bf28 3658static void
1362e248 3659commit_set_pkt_mark_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3660 struct ofpbuf *odp_actions,
3661 struct flow_wildcards *wc)
72e8bf28 3662{
1362e248 3663 if (base->pkt_mark == flow->pkt_mark) {
72e8bf28
AA		 3664 return;
3665 }
1dd35f8a 3666
1362e248
JG		 3667 memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark);
3668 base->pkt_mark = flow->pkt_mark;
72e8bf28 3669
1362e248 3670 odp_put_pkt_mark_action(base->pkt_mark, odp_actions);
72e8bf28 3671}
7fd91025 3672
5bbda0aa
EJ		 3673/* If any of the flow key data that ODP actions can modify are different in
3674 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
b9ad7294
EJ		 3675 * key from 'base' into 'flow', and then changes 'base' the same way. Does not
3676 * commit set_tunnel actions. Users should call commit_odp_tunnel_action()
1dd35f8a 3677 * in addition to this function if needed. Sets fields in 'wc' that are
7fd91025
BP		 3678 * used as part of the action.
3679 *
3680 * Returns a reason to force processing the flow's packets into the userspace
3681 * slow path, if there is one, otherwise 0. */
3682enum slow_path_reason
5bbda0aa 3683commit_odp_actions(const struct flow *flow, struct flow *base,
b0a17866
SH		 3684 struct ofpbuf *odp_actions, struct flow_wildcards *wc,
3685 int *mpls_depth_delta)
5bbda0aa 3686{
f6c8a6b1
BP		 3687 enum slow_path_reason slow;
3688
1dd35f8a 3689 commit_set_ether_addr_action(flow, base, odp_actions, wc);
8fd16af2 3690 commit_vlan_action(flow->vlan_tci, base, odp_actions, wc);
f6c8a6b1 3691 slow = commit_set_nw_action(flow, base, odp_actions, wc);
1dd35f8a 3692 commit_set_port_action(flow, base, odp_actions, wc);
ec9f40dc 3693 /* Committing MPLS actions should occur after committing nw and port
1b035ef2
SH		 3694 * actions. This is because committing MPLS actions may alter a packet so
3695 * that it is no longer IP and thus nw and port actions are no longer valid.
3696 */
b0a17866 3697 commit_mpls_action(flow, base, odp_actions, wc, mpls_depth_delta);
1dd35f8a 3698 commit_set_priority_action(flow, base, odp_actions, wc);
1362e248 3699 commit_set_pkt_mark_action(flow, base, odp_actions, wc);
7fd91025 3700
f6c8a6b1 3701 return slow;
5bbda0aa 3702}
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