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064af421 1/*
8bfd0fda 2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
064af421 3 *
a14bc59f
BP		 4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
064af421 7 *
a14bc59f
BP		 8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
064af421
BP		 15 */
16
17#include <config.h>
bed69b3e 18#include <arpa/inet.h>
064af421 19#include "odp-util.h"
36956a7d 20#include <errno.h>
064af421 21#include <inttypes.h>
7202cbe5 22#include <math.h>
6ca00f6f 23#include <netinet/in.h>
685a51a5 24#include <netinet/icmp6.h>
064af421
BP		 25#include <stdlib.h>
26#include <string.h>
cdee00fd 27#include "byte-order.h"
064af421 28#include "coverage.h"
758c456d 29#include "dpif.h"
064af421
BP		 30#include "dynamic-string.h"
31#include "flow.h"
cdee00fd 32#include "netlink.h"
3bffc610 33#include "ofpbuf.h"
064af421 34#include "packets.h"
44bac24b 35#include "simap.h"
064af421
BP		 36#include "timeval.h"
37#include "util.h"
34118cae
BP		 38#include "vlog.h"
39
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);
572f732a 82 case OVS_ACTION_ATTR_RECIRC: return sizeof(struct ovs_action_recirc);
4edb9ae9 83 case OVS_ACTION_ATTR_SET: return -2;
98403001 84 case OVS_ACTION_ATTR_SAMPLE: return -2;
df2c07f4
JP		 85
86 case OVS_ACTION_ATTR_UNSPEC:
87 case __OVS_ACTION_ATTR_MAX:
cdee00fd
BP		 88 return -1;
89 }
90
91 return -1;
92}
93
e6603631
BP		 94/* Returns a string form of 'attr'. The return value is either a statically
95 * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize'
96 * should be at least OVS_KEY_ATTR_BUFSIZE. */
97enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 };
744791b5 98static const char *
e6603631 99ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize)
744791b5 100{
744791b5
BP		 101 switch (attr) {
102 case OVS_KEY_ATTR_UNSPEC: return "unspec";
fea393b1 103 case OVS_KEY_ATTR_ENCAP: return "encap";
1b567fb9 104 case OVS_KEY_ATTR_PRIORITY: return "skb_priority";
72e8bf28 105 case OVS_KEY_ATTR_SKB_MARK: return "skb_mark";
9b405f1a 106 case OVS_KEY_ATTR_TUNNEL: return "tunnel";
744791b5
BP		 107 case OVS_KEY_ATTR_IN_PORT: return "in_port";
108 case OVS_KEY_ATTR_ETHERNET: return "eth";
fea393b1 109 case OVS_KEY_ATTR_VLAN: return "vlan";
744791b5
BP		 110 case OVS_KEY_ATTR_ETHERTYPE: return "eth_type";
111 case OVS_KEY_ATTR_IPV4: return "ipv4";
112 case OVS_KEY_ATTR_IPV6: return "ipv6";
113 case OVS_KEY_ATTR_TCP: return "tcp";
dc235f7f 114 case OVS_KEY_ATTR_TCP_FLAGS: return "tcp_flags";
744791b5 115 case OVS_KEY_ATTR_UDP: return "udp";
c6bcb685 116 case OVS_KEY_ATTR_SCTP: return "sctp";
744791b5
BP		 117 case OVS_KEY_ATTR_ICMP: return "icmp";
118 case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
119 case OVS_KEY_ATTR_ARP: return "arp";
120 case OVS_KEY_ATTR_ND: return "nd";
b02475c5 121 case OVS_KEY_ATTR_MPLS: return "mpls";
572f732a
AZ		 122 case OVS_KEY_ATTR_DP_HASH: return "dp_hash";
123 case OVS_KEY_ATTR_RECIRC_ID: return "recirc_id";
744791b5
BP		 124
125 case __OVS_KEY_ATTR_MAX:
126 default:
e6603631
BP		 127 snprintf(namebuf, bufsize, "key%u", (unsigned int) attr);
128 return namebuf;
744791b5
BP		 129 }
130}
131
cdee00fd
BP		 132static void
133format_generic_odp_action(struct ds *ds, const struct nlattr *a)
134{
8ba43fbd
BP		 135 size_t len = nl_attr_get_size(a);
136
cdee00fd 137 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
8ba43fbd 138 if (len) {
cdee00fd
BP		 139 const uint8_t *unspec;
140 unsigned int i;
141
142 unspec = nl_attr_get(a);
8ba43fbd 143 for (i = 0; i < len; i++) {
cdee00fd
BP		 144 ds_put_char(ds, i ? ' ': '(');
145 ds_put_format(ds, "%02x", unspec[i]);
146 }
147 ds_put_char(ds, ')');
148 }
149}
150
6ff686f2
PS		 151static void
152format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
153{
154 static const struct nl_policy ovs_sample_policy[] = {
3548d242
BP		 155 [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 },
156 [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED }
6ff686f2
PS		 157 };
158 struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
6ff686f2
PS		 159 double percentage;
160 const struct nlattr *nla_acts;
161 int len;
162
163 ds_put_cstr(ds, "sample");
164
5621afff 165 if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) {
6ff686f2
PS		 166 ds_put_cstr(ds, "(error)");
167 return;
168 }
169
170 percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) /
171 UINT32_MAX;
172
173 ds_put_format(ds, "(sample=%.1f%%,", percentage);
174
175 ds_put_cstr(ds, "actions(");
176 nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]);
177 len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]);
178 format_odp_actions(ds, nla_acts, len);
179 ds_put_format(ds, "))");
180}
181
6a7e895f 182static const char *
04594cd5 183slow_path_reason_to_string(uint32_t reason)
6a7e895f 184{
04594cd5
BP		 185 switch ((enum slow_path_reason) reason) {
186#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING;
187 SLOW_PATH_REASONS
188#undef SPR
6a7e895f 189 }
04594cd5
BP		 190
191 return NULL;
6a7e895f
BP		 192}
193
04594cd5
BP		 194const char *
195slow_path_reason_to_explanation(enum slow_path_reason reason)
98f0520f 196{
04594cd5
BP		 197 switch (reason) {
198#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION;
199 SLOW_PATH_REASONS
200#undef SPR
98f0520f
EJ		 201 }
202
04594cd5 203 return "<unknown>";
98f0520f
EJ		 204}
205
ec956fc7
PS		 206static int
207parse_flags(const char *s, const char *(*bit_to_string)(uint32_t),
208 uint32_t *res)
209{
210 uint32_t result = 0;
211 int n = 0;
212
213 if (s[n] != '(') {
214 return -EINVAL;
215 }
216 n++;
217
218 while (s[n] != ')') {
219 unsigned long long int flags;
220 uint32_t bit;
221 int n0;
222
c2c28dfd 223 if (ovs_scan(&s[n], "%lli%n", &flags, &n0)) {
ec956fc7
PS		 224 n += n0 + (s[n + n0] == ',');
225 result |= flags;
226 continue;
227 }
228
229 for (bit = 1; bit; bit <<= 1) {
230 const char *name = bit_to_string(bit);
231 size_t len;
232
233 if (!name) {
234 continue;
235 }
236
237 len = strlen(name);
238 if (!strncmp(s + n, name, len) &&
239 (s[n + len] == ',' || s[n + len] == ')')) {
240 result |= bit;
241 n += len + (s[n + len] == ',');
242 break;
243 }
244 }
245
246 if (!bit) {
247 return -EINVAL;
248 }
249 }
250 n++;
251
252 *res = result;
253 return n;
6a7e895f
BP		 254}
255
98403001
BP		 256static void
257format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
258{
259 static const struct nl_policy ovs_userspace_policy[] = {
3548d242
BP		 260 [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 },
261 [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC,
262 .optional = true },
98403001
BP		 263 };
264 struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
e995e3df 265 const struct nlattr *userdata_attr;
98403001
BP		 266
267 if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) {
268 ds_put_cstr(ds, "userspace(error)");
269 return;
270 }
271
272 ds_put_format(ds, "userspace(pid=%"PRIu32,
273 nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID]));
274
e995e3df 275 userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA];
29089a54
RL		 276
277 if (userdata_attr) {
278 const uint8_t *userdata = nl_attr_get(userdata_attr);
279 size_t userdata_len = nl_attr_get_size(userdata_attr);
280 bool userdata_unspec = true;
1673e0e4 281 union user_action_cookie cookie;
98403001 282
29089a54
RL		 283 if (userdata_len >= sizeof cookie.type
284 && userdata_len <= sizeof cookie) {
285
286 memset(&cookie, 0, sizeof cookie);
287 memcpy(&cookie, userdata, userdata_len);
288
289 userdata_unspec = false;
290
291 if (userdata_len == sizeof cookie.sflow
292 && cookie.type == USER_ACTION_COOKIE_SFLOW) {
293 ds_put_format(ds, ",sFlow("
294 "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
295 vlan_tci_to_vid(cookie.sflow.vlan_tci),
296 vlan_tci_to_pcp(cookie.sflow.vlan_tci),
297 cookie.sflow.output);
298 } else if (userdata_len == sizeof cookie.slow_path
299 && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) {
04594cd5
BP		 300 ds_put_cstr(ds, ",slow_path(");
301 format_flags(ds, slow_path_reason_to_string,
302 cookie.slow_path.reason, ',');
303 ds_put_format(ds, ")");
29089a54
RL		 304 } else if (userdata_len == sizeof cookie.flow_sample
305 && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) {
306 ds_put_format(ds, ",flow_sample(probability=%"PRIu16
307 ",collector_set_id=%"PRIu32
308 ",obs_domain_id=%"PRIu32
309 ",obs_point_id=%"PRIu32")",
310 cookie.flow_sample.probability,
311 cookie.flow_sample.collector_set_id,
312 cookie.flow_sample.obs_domain_id,
313 cookie.flow_sample.obs_point_id);
b075a9b8 314 } else if (userdata_len >= sizeof cookie.ipfix
29089a54
RL		 315 && cookie.type == USER_ACTION_COOKIE_IPFIX) {
316 ds_put_format(ds, ",ipfix");
317 } else {
318 userdata_unspec = true;
319 }
98403001 320 }
e995e3df 321
29089a54
RL		 322 if (userdata_unspec) {
323 size_t i;
324 ds_put_format(ds, ",userdata(");
325 for (i = 0; i < userdata_len; i++) {
326 ds_put_format(ds, "%02x", userdata[i]);
327 }
328 ds_put_char(ds, ')');
e995e3df 329 }
98403001
BP		 330 }
331
332 ds_put_char(ds, ')');
333}
334
8ddc056d
BP		 335static void
336format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci)
337{
338 ds_put_format(ds, "vid=%"PRIu16",pcp=%d",
339 vlan_tci_to_vid(vlan_tci),
340 vlan_tci_to_pcp(vlan_tci));
341 if (!(vlan_tci & htons(VLAN_CFI))) {
342 ds_put_cstr(ds, ",cfi=0");
343 }
344}
345
b02475c5
SH		 346static void
347format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse)
348{
349 ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d",
350 mpls_lse_to_label(mpls_lse),
351 mpls_lse_to_tc(mpls_lse),
352 mpls_lse_to_ttl(mpls_lse),
353 mpls_lse_to_bos(mpls_lse));
354}
355
e6cc0bab
AZ		 356static void
357format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key,
8bfd0fda 358 const struct ovs_key_mpls *mpls_mask, int n)
e6cc0bab 359{
8bfd0fda
BP		 360 if (n == 1) {
361 ovs_be32 key = mpls_key->mpls_lse;
e6cc0bab 362
8bfd0fda
BP		 363 if (mpls_mask == NULL) {
364 format_mpls_lse(ds, key);
365 } else {
366 ovs_be32 mask = mpls_mask->mpls_lse;
367
368 ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x",
369 mpls_lse_to_label(key), mpls_lse_to_label(mask),
370 mpls_lse_to_tc(key), mpls_lse_to_tc(mask),
371 mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask),
372 mpls_lse_to_bos(key), mpls_lse_to_bos(mask));
373 }
e6cc0bab 374 } else {
8bfd0fda 375 int i;
e6cc0bab 376
8bfd0fda
BP		 377 for (i = 0; i < n; i++) {
378 ds_put_format(ds, "lse%d=%#"PRIx32,
379 i, ntohl(mpls_key[i].mpls_lse));
380 if (mpls_mask) {
381 ds_put_format(ds, "/%#"PRIx32, ntohl(mpls_mask[i].mpls_lse));
382 }
383 ds_put_char(ds, ',');
384 }
385 ds_chomp(ds, ',');
e6cc0bab
AZ		 386 }
387}
388
572f732a
AZ		 389static void
390format_odp_recirc_action(struct ds *ds,
391 const struct ovs_action_recirc *act)
392{
393 ds_put_format(ds, "recirc(");
394
395 if (act->hash_alg == OVS_RECIRC_HASH_ALG_L4) {
396 ds_put_format(ds, "hash_l4(%"PRIu32"), ", act->hash_bias);
397 }
398
399 ds_put_format(ds, "%"PRIu32")", act->recirc_id);
400}
401
4edb9ae9 402static void
cdee00fd 403format_odp_action(struct ds *ds, const struct nlattr *a)
064af421 404{
98403001 405 int expected_len;
4edb9ae9 406 enum ovs_action_attr type = nl_attr_type(a);
fea393b1 407 const struct ovs_action_push_vlan *vlan;
cdee00fd 408
98403001
BP		 409 expected_len = odp_action_len(nl_attr_type(a));
410 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
34582733 411 ds_put_format(ds, "bad length %"PRIuSIZE", expected %d for: ",
98403001 412 nl_attr_get_size(a), expected_len);
cdee00fd
BP		 413 format_generic_odp_action(ds, a);
414 return;
415 }
416
4edb9ae9 417 switch (type) {
df2c07f4 418 case OVS_ACTION_ATTR_OUTPUT:
26ce7705 419 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
064af421 420 break;
df2c07f4 421 case OVS_ACTION_ATTR_USERSPACE:
98403001 422 format_odp_userspace_action(ds, a);
064af421 423 break;
572f732a
AZ		 424 case OVS_ACTION_ATTR_RECIRC:
425 format_odp_recirc_action(ds, nl_attr_get(a));
426 break;
4edb9ae9
PS		 427 case OVS_ACTION_ATTR_SET:
428 ds_put_cstr(ds, "set(");
0a37839c 429 format_odp_key_attr(nl_attr_get(a), NULL, NULL, ds, true);
4edb9ae9 430 ds_put_cstr(ds, ")");
064af421 431 break;
fea393b1
BP		 432 case OVS_ACTION_ATTR_PUSH_VLAN:
433 vlan = nl_attr_get(a);
434 ds_put_cstr(ds, "push_vlan(");
435 if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) {
436 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid));
437 }
8ddc056d
BP		 438 format_vlan_tci(ds, vlan->vlan_tci);
439 ds_put_char(ds, ')');
064af421 440 break;
fea393b1
BP		 441 case OVS_ACTION_ATTR_POP_VLAN:
442 ds_put_cstr(ds, "pop_vlan");
064af421 443 break;
b02475c5
SH		 444 case OVS_ACTION_ATTR_PUSH_MPLS: {
445 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
446 ds_put_cstr(ds, "push_mpls(");
447 format_mpls_lse(ds, mpls->mpls_lse);
448 ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype));
449 break;
450 }
451 case OVS_ACTION_ATTR_POP_MPLS: {
452 ovs_be16 ethertype = nl_attr_get_be16(a);
453 ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype));
454 break;
455 }
6ff686f2
PS		 456 case OVS_ACTION_ATTR_SAMPLE:
457 format_odp_sample_action(ds, a);
458 break;
4edb9ae9
PS		 459 case OVS_ACTION_ATTR_UNSPEC:
460 case __OVS_ACTION_ATTR_MAX:
064af421 461 default:
cdee00fd 462 format_generic_odp_action(ds, a);
064af421
BP		 463 break;
464 }
465}
466
467void
cdee00fd 468format_odp_actions(struct ds *ds, const struct nlattr *actions,
cf22f8cb 469 size_t actions_len)
064af421 470{
cdee00fd
BP		 471 if (actions_len) {
472 const struct nlattr *a;
473 unsigned int left;
474
475 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
476 if (a != actions) {
477 ds_put_char(ds, ',');
478 }
479 format_odp_action(ds, a);
064af421 480 }
cdee00fd 481 if (left) {
3a8cfc50
BP		 482 int i;
483
3476fce3
BP		 484 if (left == actions_len) {
485 ds_put_cstr(ds, "<empty>");
486 }
3a8cfc50
BP		 487 ds_put_format(ds, ",***%u leftover bytes*** (", left);
488 for (i = 0; i < left; i++) {
489 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
490 }
491 ds_put_char(ds, ')');
cdee00fd
BP		 492 }
493 } else {
064af421
BP		 494 ds_put_cstr(ds, "drop");
495 }
496}
7202cbe5
BP		 497
498static int
44bac24b 499parse_odp_action(const char *s, const struct simap *port_names,
7202cbe5
BP		 500 struct ofpbuf *actions)
501{
7202cbe5 502 {
c2c28dfd
BP		 503 uint32_t port;
504 int n;
7202cbe5 505
c2c28dfd 506 if (ovs_scan(s, "%"SCNi32"%n", &port, &n)) {
7202cbe5
BP		 507 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port);
508 return n;
509 }
510 }
511
512 if (port_names) {
513 int len = strcspn(s, delimiters);
44bac24b 514 struct simap_node *node;
7202cbe5 515
44bac24b 516 node = simap_find_len(port_names, s, len);
7202cbe5 517 if (node) {
44bac24b 518 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data);
7202cbe5
BP		 519 return len;
520 }
521 }
522
523 {
c2c28dfd
BP		 524 uint32_t pid;
525 uint32_t output;
526 uint32_t probability;
527 uint32_t collector_set_id;
528 uint32_t obs_domain_id;
529 uint32_t obs_point_id;
7202cbe5
BP		 530 int vid, pcp;
531 int n = -1;
532
c2c28dfd 533 if (ovs_scan(s, "userspace(pid=%"SCNi32")%n", &pid, &n)) {
e995e3df 534 odp_put_userspace_action(pid, NULL, 0, actions);
7202cbe5 535 return n;
c2c28dfd
BP		 536 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",sFlow(vid=%i,"
537 "pcp=%i,output=%"SCNi32"))%n",
538 &pid, &vid, &pcp, &output, &n)) {
1673e0e4 539 union user_action_cookie cookie;
7202cbe5
BP		 540 uint16_t tci;
541
542 tci = vid | (pcp << VLAN_PCP_SHIFT);
543 if (tci) {
544 tci |= VLAN_CFI;
545 }
546
547 cookie.type = USER_ACTION_COOKIE_SFLOW;
1673e0e4
BP		 548 cookie.sflow.vlan_tci = htons(tci);
549 cookie.sflow.output = output;
29089a54
RL		 550 odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow,
551 actions);
6a7e895f 552 return n;
c2c28dfd
BP		 553 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",slow_path%n",
554 &pid, &n)) {
6a7e895f 555 union user_action_cookie cookie;
04594cd5 556 int res;
6a7e895f
BP		 557
558 cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
559 cookie.slow_path.unused = 0;
04594cd5 560 cookie.slow_path.reason = 0;
6a7e895f 561
04594cd5
BP		 562 res = parse_flags(&s[n], slow_path_reason_to_string,
563 &cookie.slow_path.reason);
564 if (res < 0) {
565 return res;
566 }
567 n += res;
568 if (s[n] != ')') {
6a7e895f
BP		 569 return -EINVAL;
570 }
04594cd5 571 n++;
6a7e895f 572
29089a54
RL		 573 odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path,
574 actions);
575 return n;
c2c28dfd
BP		 576 } else if (ovs_scan(s, "userspace(pid=%"SCNi32","
577 "flow_sample(probability=%"SCNi32","
578 "collector_set_id=%"SCNi32","
579 "obs_domain_id=%"SCNi32","
580 "obs_point_id=%"SCNi32"))%n",
581 &pid, &probability, &collector_set_id,
582 &obs_domain_id, &obs_point_id, &n)) {
29089a54
RL		 583 union user_action_cookie cookie;
584
585 cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE;
586 cookie.flow_sample.probability = probability;
587 cookie.flow_sample.collector_set_id = collector_set_id;
588 cookie.flow_sample.obs_domain_id = obs_domain_id;
589 cookie.flow_sample.obs_point_id = obs_point_id;
590 odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample,
591 actions);
7202cbe5 592 return n;
c2c28dfd 593 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",ipfix)%n", &pid, &n)) {
29089a54 594 union user_action_cookie cookie;
7202cbe5 595
29089a54
RL		 596 cookie.type = USER_ACTION_COOKIE_IPFIX;
597 odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix,
e995e3df 598 actions);
7202cbe5 599 return n;
c2c28dfd
BP		 600 } else if (ovs_scan(s, "userspace(pid=%"SCNi32",userdata(%n",
601 &pid, &n)) {
e995e3df
BP		 602 struct ofpbuf buf;
603 char *end;
604
605 ofpbuf_init(&buf, 16);
606 end = ofpbuf_put_hex(&buf, &s[n], NULL);
607 if (end[0] == ')' && end[1] == ')') {
1f317cb5 608 odp_put_userspace_action(pid, ofpbuf_data(&buf), ofpbuf_size(&buf), actions);
e995e3df
BP		 609 ofpbuf_uninit(&buf);
610 return (end + 2) - s;
611 }
7202cbe5
BP		 612 }
613 }
614
615 if (!strncmp(s, "set(", 4)) {
616 size_t start_ofs;
617 int retval;
618
619 start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET);
e6cc0bab 620 retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL);
7202cbe5
BP		 621 if (retval < 0) {
622 return retval;
623 }
624 if (s[retval + 4] != ')') {
625 return -EINVAL;
626 }
627 nl_msg_end_nested(actions, start_ofs);
628 return retval + 5;
629 }
630
becffb86
BP		 631 {
632 struct ovs_action_push_vlan push;
633 int tpid = ETH_TYPE_VLAN;
634 int vid, pcp;
635 int cfi = 1;
636 int n = -1;
7202cbe5 637
c2c28dfd
BP		 638 if (ovs_scan(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)
639 || ovs_scan(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
640 &vid, &pcp, &cfi, &n)
641 || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
642 &tpid, &vid, &pcp, &n)
643 || ovs_scan(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
644 &tpid, &vid, &pcp, &cfi, &n)) {
becffb86
BP		 645 push.vlan_tpid = htons(tpid);
646 push.vlan_tci = htons((vid << VLAN_VID_SHIFT)
647 | (pcp << VLAN_PCP_SHIFT)
648 | (cfi ? VLAN_CFI : 0));
649 nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN,
650 &push, sizeof push);
651
652 return n;
7202cbe5 653 }
7202cbe5
BP		 654 }
655
becffb86
BP		 656 if (!strncmp(s, "pop_vlan", 8)) {
657 nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN);
658 return 8;
7202cbe5
BP		 659 }
660
661 {
662 double percentage;
663 int n = -1;
664
c2c28dfd
BP		 665 if (ovs_scan(s, "sample(sample=%lf%%,actions(%n", &percentage, &n)
666 && percentage >= 0. && percentage <= 100.0) {
7202cbe5
BP		 667 size_t sample_ofs, actions_ofs;
668 double probability;
669
670 probability = floor(UINT32_MAX * (percentage / 100.0) + .5);
671 sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE);
672 nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY,
673 (probability <= 0 ? 0
674 : probability >= UINT32_MAX ? UINT32_MAX
675 : probability));
676
677 actions_ofs = nl_msg_start_nested(actions,
678 OVS_SAMPLE_ATTR_ACTIONS);
679 for (;;) {
680 int retval;
681
79d4ffe2 682 n += strspn(s + n, delimiters);
7202cbe5
BP		 683 if (s[n] == ')') {
684 break;
685 }
686
687 retval = parse_odp_action(s + n, port_names, actions);
688 if (retval < 0) {
689 return retval;
690 }
691 n += retval;
7202cbe5
BP		 692 }
693 nl_msg_end_nested(actions, actions_ofs);
694 nl_msg_end_nested(actions, sample_ofs);
695
696 return s[n + 1] == ')' ? n + 2 : -EINVAL;
697 }
698 }
699
700 return -EINVAL;
701}
702
703/* Parses the string representation of datapath actions, in the format output
704 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
705 * value. On success, the ODP actions are appended to 'actions' as a series of
706 * Netlink attributes. On failure, no data is appended to 'actions'. Either
707 * way, 'actions''s data might be reallocated. */
708int
44bac24b 709odp_actions_from_string(const char *s, const struct simap *port_names,
7202cbe5
BP		 710 struct ofpbuf *actions)
711{
712 size_t old_size;
713
714 if (!strcasecmp(s, "drop")) {
715 return 0;
716 }
717
1f317cb5 718 old_size = ofpbuf_size(actions);
7202cbe5
BP		 719 for (;;) {
720 int retval;
721
722 s += strspn(s, delimiters);
723 if (!*s) {
724 return 0;
725 }
726
727 retval = parse_odp_action(s, port_names, actions);
728 if (retval < 0 || !strchr(delimiters, s[retval])) {
1f317cb5 729 ofpbuf_set_size(actions, old_size);
7202cbe5
BP		 730 return -retval;
731 }
732 s += retval;
733 }
734
735 return 0;
736}
14608a15 737\f
36956a7d 738/* Returns the correct length of the payload for a flow key attribute of the
fea393b1
BP		 739 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
740 * is variable length. */
36956a7d
BP		 741static int
742odp_flow_key_attr_len(uint16_t type)
743{
df2c07f4 744 if (type > OVS_KEY_ATTR_MAX) {
36956a7d
BP		 745 return -1;
746 }
747
09ded0ad 748 switch ((enum ovs_key_attr) type) {
fea393b1 749 case OVS_KEY_ATTR_ENCAP: return -2;
abff858b 750 case OVS_KEY_ATTR_PRIORITY: return 4;
72e8bf28 751 case OVS_KEY_ATTR_SKB_MARK: return 4;
572f732a
AZ		 752 case OVS_KEY_ATTR_DP_HASH: return 4;
753 case OVS_KEY_ATTR_RECIRC_ID: return 4;
9b405f1a 754 case OVS_KEY_ATTR_TUNNEL: return -2;
df2c07f4
JP		 755 case OVS_KEY_ATTR_IN_PORT: return 4;
756 case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
fea393b1 757 case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
df2c07f4 758 case OVS_KEY_ATTR_ETHERTYPE: return 2;
8bfd0fda 759 case OVS_KEY_ATTR_MPLS: return -2;
df2c07f4
JP		 760 case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
761 case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
762 case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
dc235f7f 763 case OVS_KEY_ATTR_TCP_FLAGS: return 2;
df2c07f4 764 case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
c6bcb685 765 case OVS_KEY_ATTR_SCTP: return sizeof(struct ovs_key_sctp);
df2c07f4
JP		 766 case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
767 case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
768 case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
769 case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd);
770
771 case OVS_KEY_ATTR_UNSPEC:
772 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 773 return -1;
774 }
775
776 return -1;
777}
778
36956a7d
BP		 779static void
780format_generic_odp_key(const struct nlattr *a, struct ds *ds)
781{
782 size_t len = nl_attr_get_size(a);
36956a7d
BP		 783 if (len) {
784 const uint8_t *unspec;
785 unsigned int i;
786
787 unspec = nl_attr_get(a);
788 for (i = 0; i < len; i++) {
e6cc0bab
AZ		 789 if (i) {
790 ds_put_char(ds, ' ');
791 }
36956a7d
BP		 792 ds_put_format(ds, "%02x", unspec[i]);
793 }
36956a7d
BP		 794 }
795}
796
7257b535
BP		 797static const char *
798ovs_frag_type_to_string(enum ovs_frag_type type)
799{
800 switch (type) {
801 case OVS_FRAG_TYPE_NONE:
802 return "no";
803 case OVS_FRAG_TYPE_FIRST:
804 return "first";
805 case OVS_FRAG_TYPE_LATER:
806 return "later";
807 case __OVS_FRAG_TYPE_MAX:
808 default:
809 return "<error>";
810 }
811}
812
9b405f1a
PS		 813static int
814tunnel_key_attr_len(int type)
29c7a2b2 815{
9b405f1a
PS		 816 switch (type) {
817 case OVS_TUNNEL_KEY_ATTR_ID: return 8;
818 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4;
819 case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4;
820 case OVS_TUNNEL_KEY_ATTR_TOS: return 1;
821 case OVS_TUNNEL_KEY_ATTR_TTL: return 1;
822 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0;
823 case OVS_TUNNEL_KEY_ATTR_CSUM: return 0;
824 case __OVS_TUNNEL_KEY_ATTR_MAX:
825 return -1;
29c7a2b2 826 }
9b405f1a
PS		 827 return -1;
828}
829
617e10e7
SH		 830enum odp_key_fitness
831odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun)
9b405f1a
PS		 832{
833 unsigned int left;
834 const struct nlattr *a;
835 bool ttl = false;
836 bool unknown = false;
837
838 NL_NESTED_FOR_EACH(a, left, attr) {
839 uint16_t type = nl_attr_type(a);
840 size_t len = nl_attr_get_size(a);
841 int expected_len = tunnel_key_attr_len(type);
842
843 if (len != expected_len && expected_len >= 0) {
844 return ODP_FIT_ERROR;
845 }
846
847 switch (type) {
848 case OVS_TUNNEL_KEY_ATTR_ID:
849 tun->tun_id = nl_attr_get_be64(a);
850 tun->flags |= FLOW_TNL_F_KEY;
851 break;
852 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
853 tun->ip_src = nl_attr_get_be32(a);
854 break;
855 case OVS_TUNNEL_KEY_ATTR_IPV4_DST:
856 tun->ip_dst = nl_attr_get_be32(a);
857 break;
858 case OVS_TUNNEL_KEY_ATTR_TOS:
859 tun->ip_tos = nl_attr_get_u8(a);
860 break;
861 case OVS_TUNNEL_KEY_ATTR_TTL:
862 tun->ip_ttl = nl_attr_get_u8(a);
863 ttl = true;
864 break;
865 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT:
866 tun->flags |= FLOW_TNL_F_DONT_FRAGMENT;
867 break;
868 case OVS_TUNNEL_KEY_ATTR_CSUM:
869 tun->flags |= FLOW_TNL_F_CSUM;
870 break;
871 default:
872 /* Allow this to show up as unexpected, if there are unknown
873 * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */
874 unknown = true;
875 break;
876 }
877 }
878
879 if (!ttl) {
880 return ODP_FIT_ERROR;
881 }
882 if (unknown) {
758c456d 883 return ODP_FIT_TOO_MUCH;
9b405f1a
PS		 884 }
885 return ODP_FIT_PERFECT;
886}
887
888static void
889tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key)
890{
891 size_t tun_key_ofs;
892
893 tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL);
894
27a8cbbc
BP		 895 /* tun_id != 0 without FLOW_TNL_F_KEY is valid if tun_key is a mask. */
896 if (tun_key->tun_id || tun_key->flags & FLOW_TNL_F_KEY) {
9b405f1a
PS		 897 nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id);
898 }
899 if (tun_key->ip_src) {
900 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src);
901 }
902 if (tun_key->ip_dst) {
903 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst);
904 }
905 if (tun_key->ip_tos) {
906 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos);
907 }
908 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl);
909 if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) {
910 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT);
911 }
912 if (tun_key->flags & FLOW_TNL_F_CSUM) {
913 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM);
914 }
915
916 nl_msg_end_nested(a, tun_key_ofs);
29c7a2b2
PS		 917}
918
041e7168
AZ		 919static bool
920odp_mask_attr_is_wildcard(const struct nlattr *ma)
921{
922 return is_all_zeros(nl_attr_get(ma), nl_attr_get_size(ma));
923}
924
e6cc0bab
AZ		 925static bool
926odp_mask_attr_is_exact(const struct nlattr *ma)
927{
928 bool is_exact = false;
929 enum ovs_key_attr attr = nl_attr_type(ma);
930
931 if (attr == OVS_KEY_ATTR_TUNNEL) {
932 /* XXX this is a hack for now. Should change
933 * the exact match dection to per field
934 * instead of per attribute.
935 */
936 struct flow_tnl tun_mask;
937 memset(&tun_mask, 0, sizeof tun_mask);
938 odp_tun_key_from_attr(ma, &tun_mask);
939 if (tun_mask.flags == (FLOW_TNL_F_KEY
940 | FLOW_TNL_F_DONT_FRAGMENT
941 | FLOW_TNL_F_CSUM)) {
942 /* The flags are exact match, check the remaining fields. */
943 tun_mask.flags = 0xffff;
944 is_exact = is_all_ones((uint8_t *)&tun_mask,
945 offsetof(struct flow_tnl, ip_ttl));
946 }
947 } else {
948 is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma));
949 }
950
951 return is_exact;
952}
953
0a37839c
GS		 954void
955odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no,
956 char *port_name)
957{
958 struct odp_portno_names *odp_portno_names;
959
960 odp_portno_names = xmalloc(sizeof *odp_portno_names);
961 odp_portno_names->port_no = port_no;
962 odp_portno_names->name = xstrdup(port_name);
963 hmap_insert(portno_names, &odp_portno_names->hmap_node,
964 hash_odp_port(port_no));
965}
966
967static char *
968odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no)
969{
970 struct odp_portno_names *odp_portno_names;
971
972 HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node,
973 hash_odp_port(port_no), portno_names) {
974 if (odp_portno_names->port_no == port_no) {
975 return odp_portno_names->name;
976 }
977 }
978 return NULL;
979}
980
981void
982odp_portno_names_destroy(struct hmap *portno_names)
983{
984 struct odp_portno_names *odp_portno_names, *odp_portno_names_next;
985 HMAP_FOR_EACH_SAFE (odp_portno_names, odp_portno_names_next,
986 hmap_node, portno_names) {
987 hmap_remove(portno_names, &odp_portno_names->hmap_node);
988 free(odp_portno_names->name);
989 free(odp_portno_names);
990 }
991}
e6cc0bab 992
36956a7d 993static void
e6cc0bab 994format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
0a37839c
GS		 995 const struct hmap *portno_names, struct ds *ds,
996 bool verbose)
36956a7d 997{
9b405f1a 998 struct flow_tnl tun_key;
7a8e9ed2 999 enum ovs_key_attr attr = nl_attr_type(a);
e6603631 1000 char namebuf[OVS_KEY_ATTR_BUFSIZE];
fea393b1 1001 int expected_len;
dc8c5408 1002 bool is_exact;
36956a7d 1003
dc8c5408 1004 is_exact = ma ? odp_mask_attr_is_exact(ma) : true;
e6cc0bab 1005
e6603631 1006 ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf));
e6cc0bab
AZ		 1007
1008 {
1009 expected_len = odp_flow_key_attr_len(nl_attr_type(a));
1010 if (expected_len != -2) {
1011 bool bad_key_len = nl_attr_get_size(a) != expected_len;
1012 bool bad_mask_len = ma && nl_attr_get_size(a) != expected_len;
1013
1014 if (bad_key_len || bad_mask_len) {
1015 if (bad_key_len) {
34582733 1016 ds_put_format(ds, "(bad key length %"PRIuSIZE", expected %d)(",
e6cc0bab
AZ		 1017 nl_attr_get_size(a),
1018 odp_flow_key_attr_len(nl_attr_type(a)));
1019 }
1020 format_generic_odp_key(a, ds);
1021 if (bad_mask_len) {
1022 ds_put_char(ds, '/');
34582733 1023 ds_put_format(ds, "(bad mask length %"PRIuSIZE", expected %d)(",
e6cc0bab
AZ		 1024 nl_attr_get_size(ma),
1025 odp_flow_key_attr_len(nl_attr_type(ma)));
1026 }
1027 format_generic_odp_key(ma, ds);
1028 ds_put_char(ds, ')');
1029 return;
1030 }
1031 }
36956a7d
BP		 1032 }
1033
e6cc0bab 1034 ds_put_char(ds, '(');
7a8e9ed2 1035 switch (attr) {
fea393b1 1036 case OVS_KEY_ATTR_ENCAP:
e6cc0bab
AZ		 1037 if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) {
1038 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a),
0a37839c 1039 nl_attr_get(ma), nl_attr_get_size(ma), NULL, ds,
041e7168 1040 verbose);
0a37839c
GS		 1041 } else if (nl_attr_get_size(a)) {
1042 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, NULL,
1043 ds, verbose);
fea393b1 1044 }
fea393b1
BP		 1045 break;
1046
abff858b 1047 case OVS_KEY_ATTR_PRIORITY:
72e8bf28 1048 case OVS_KEY_ATTR_SKB_MARK:
572f732a
AZ		 1049 case OVS_KEY_ATTR_DP_HASH:
1050 case OVS_KEY_ATTR_RECIRC_ID:
e6cc0bab 1051 ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a));
dc8c5408 1052 if (!is_exact) {
e6cc0bab
AZ		 1053 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1054 }
72e8bf28
AA		 1055 break;
1056
9b405f1a
PS		 1057 case OVS_KEY_ATTR_TUNNEL:
1058 memset(&tun_key, 0, sizeof tun_key);
617e10e7 1059 if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) {
e6cc0bab 1060 ds_put_format(ds, "error");
dc8c5408 1061 } else if (!is_exact) {
e6cc0bab
AZ		 1062 struct flow_tnl tun_mask;
1063
1064 memset(&tun_mask, 0, sizeof tun_mask);
1065 odp_tun_key_from_attr(ma, &tun_mask);
1066 ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64
1067 ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1068 ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8
1069 ",flags(",
1070 ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id),
1071 IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src),
1072 IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst),
1073 tun_key.ip_tos, tun_mask.ip_tos,
1074 tun_key.ip_ttl, tun_mask.ip_ttl);
1075
1076 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1077
1078 /* XXX This code is correct, but enabling it would break the unit
1079 test. Disable it for now until the input parser is fixed.
1080
1081 ds_put_char(ds, '/');
1082 format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ',');
1083 */
1084 ds_put_char(ds, ')');
9b405f1a 1085 } else {
e6cc0bab 1086 ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT","
9b405f1a
PS		 1087 "tos=0x%"PRIx8",ttl=%"PRIu8",flags(",
1088 ntohll(tun_key.tun_id),
1089 IP_ARGS(tun_key.ip_src),
1090 IP_ARGS(tun_key.ip_dst),
1091 tun_key.ip_tos, tun_key.ip_ttl);
1092
e6cc0bab
AZ		 1093 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1094 ds_put_char(ds, ')');
9b405f1a 1095 }
356af50b
KM		 1096 break;
1097
df2c07f4 1098 case OVS_KEY_ATTR_IN_PORT:
0a37839c
GS		 1099 if (portno_names && verbose && is_exact) {
1100 char *name = odp_portno_names_get(portno_names,
1101 u32_to_odp(nl_attr_get_u32(a)));
1102 if (name) {
1103 ds_put_format(ds, "%s", name);
1104 } else {
1105 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
1106 }
1107 } else {
1108 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
1109 if (!is_exact) {
1110 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1111 }
e6cc0bab 1112 }
36956a7d
BP		 1113 break;
1114
df2c07f4 1115 case OVS_KEY_ATTR_ETHERNET:
dc8c5408 1116 if (!is_exact) {
e6cc0bab
AZ		 1117 const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma);
1118 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1119
1120 ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1121 ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1122 ETH_ADDR_ARGS(eth_key->eth_src),
1123 ETH_ADDR_ARGS(eth_mask->eth_src),
1124 ETH_ADDR_ARGS(eth_key->eth_dst),
1125 ETH_ADDR_ARGS(eth_mask->eth_dst));
1126 } else {
1127 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1128
1129 ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT,
1130 ETH_ADDR_ARGS(eth_key->eth_src),
1131 ETH_ADDR_ARGS(eth_key->eth_dst));
1132 }
36956a7d
BP		 1133 break;
1134
fea393b1 1135 case OVS_KEY_ATTR_VLAN:
e6cc0bab
AZ		 1136 {
1137 ovs_be16 vlan_tci = nl_attr_get_be16(a);
dc8c5408 1138 if (!is_exact) {
e6cc0bab 1139 ovs_be16 mask = nl_attr_get_be16(ma);
2d39507c 1140 ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d",
e6cc0bab
AZ		 1141 vlan_tci_to_vid(vlan_tci),
1142 vlan_tci_to_vid(mask),
1143 vlan_tci_to_pcp(vlan_tci),
b06b6a39 1144 vlan_tci_to_pcp(mask),
e6cc0bab
AZ		 1145 vlan_tci_to_cfi(vlan_tci),
1146 vlan_tci_to_cfi(mask));
1147 } else {
1148 format_vlan_tci(ds, vlan_tci);
1149 }
1150 }
36956a7d
BP		 1151 break;
1152
b02475c5
SH		 1153 case OVS_KEY_ATTR_MPLS: {
1154 const struct ovs_key_mpls *mpls_key = nl_attr_get(a);
e6cc0bab 1155 const struct ovs_key_mpls *mpls_mask = NULL;
8bfd0fda
BP		 1156 size_t size = nl_attr_get_size(a);
1157
1158 if (!size || size % sizeof *mpls_key) {
1159 ds_put_format(ds, "(bad key length %"PRIuSIZE")",
1160 nl_attr_get_size(a));
1161 return;
1162 }
dc8c5408 1163 if (!is_exact) {
e6cc0bab 1164 mpls_mask = nl_attr_get(ma);
8bfd0fda
BP		 1165 if (nl_attr_get_size(a) != nl_attr_get_size(ma)) {
1166 ds_put_format(ds, "(key length %"PRIuSIZE" != "
1167 "mask length %"PRIuSIZE")",
1168 nl_attr_get_size(a), nl_attr_get_size(ma));
1169 return;
1170 }
e6cc0bab 1171 }
8bfd0fda 1172 format_mpls(ds, mpls_key, mpls_mask, size / sizeof *mpls_key);
b02475c5
SH		 1173 break;
1174 }
1175
df2c07f4 1176 case OVS_KEY_ATTR_ETHERTYPE:
e6cc0bab 1177 ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a)));
dc8c5408 1178 if (!is_exact) {
e6cc0bab
AZ		 1179 ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma)));
1180 }
36956a7d
BP		 1181 break;
1182
df2c07f4 1183 case OVS_KEY_ATTR_IPV4:
dc8c5408 1184 if (!is_exact) {
e6cc0bab
AZ		 1185 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1186 const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma);
1187
1188 ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1189 ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8
1190 ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1191 IP_ARGS(ipv4_key->ipv4_src),
1192 IP_ARGS(ipv4_mask->ipv4_src),
1193 IP_ARGS(ipv4_key->ipv4_dst),
1194 IP_ARGS(ipv4_mask->ipv4_dst),
1195 ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto,
1196 ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos,
1197 ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl,
1198 ovs_frag_type_to_string(ipv4_key->ipv4_frag),
1199 ipv4_mask->ipv4_frag);
1200 } else {
1201 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1202
1203 ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
1204 ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s",
1205 IP_ARGS(ipv4_key->ipv4_src),
1206 IP_ARGS(ipv4_key->ipv4_dst),
1207 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
1208 ipv4_key->ipv4_ttl,
1209 ovs_frag_type_to_string(ipv4_key->ipv4_frag));
1210 }
36956a7d
BP		 1211 break;
1212
e6cc0bab 1213 case OVS_KEY_ATTR_IPV6:
dc8c5408 1214 if (!is_exact) {
e6cc0bab
AZ		 1215 const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask;
1216 char src_str[INET6_ADDRSTRLEN];
1217 char dst_str[INET6_ADDRSTRLEN];
1218 char src_mask[INET6_ADDRSTRLEN];
1219 char dst_mask[INET6_ADDRSTRLEN];
1220
1221 ipv6_key = nl_attr_get(a);
1222 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1223 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1224
1225 ipv6_mask = nl_attr_get(ma);
1226 inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask);
1227 inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask);
1228
1229 ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32
1230 ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8
1231 ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1232 src_str, src_mask, dst_str, dst_mask,
1233 ntohl(ipv6_key->ipv6_label),
1234 ntohl(ipv6_mask->ipv6_label),
1235 ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto,
1236 ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass,
1237 ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit,
1238 ovs_frag_type_to_string(ipv6_key->ipv6_frag),
1239 ipv6_mask->ipv6_frag);
1240 } else {
1241 const struct ovs_key_ipv6 *ipv6_key;
1242 char src_str[INET6_ADDRSTRLEN];
1243 char dst_str[INET6_ADDRSTRLEN];
1244
1245 ipv6_key = nl_attr_get(a);
1246 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1247 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1248
1249 ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8
1250 ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s",
1251 src_str, dst_str, ntohl(ipv6_key->ipv6_label),
1252 ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass,
1253 ipv6_key->ipv6_hlimit,
1254 ovs_frag_type_to_string(ipv6_key->ipv6_frag));
1255 }
d31f1109 1256 break;
d31f1109 1257
df2c07f4 1258 case OVS_KEY_ATTR_TCP:
dc8c5408 1259 if (!is_exact) {
e6cc0bab
AZ		 1260 const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma);
1261 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1262
1263 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1264 ",dst=%"PRIu16"/%#"PRIx16,
1265 ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src),
1266 ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst));
1267 } else {
1268 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1269
1270 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1271 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
1272 }
36956a7d
BP		 1273 break;
1274
dc235f7f
JR		 1275 case OVS_KEY_ATTR_TCP_FLAGS:
1276 ds_put_format(ds, "0x%03"PRIx16, ntohs(nl_attr_get_be16(a)));
1277 if (!is_exact) {
1278 ds_put_format(ds, "/0x%03"PRIx16, ntohs(nl_attr_get_be16(ma)));
1279 }
1280 break;
1281
df2c07f4 1282 case OVS_KEY_ATTR_UDP:
dc8c5408 1283 if (!is_exact) {
e6cc0bab
AZ		 1284 const struct ovs_key_udp *udp_mask = nl_attr_get(ma);
1285 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1286
1287 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1288 ",dst=%"PRIu16"/%#"PRIx16,
1289 ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src),
1290 ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst));
1291 } else {
1292 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1293
1294 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1295 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
1296 }
36956a7d
BP		 1297 break;
1298
c6bcb685
JS		 1299 case OVS_KEY_ATTR_SCTP:
1300 if (ma) {
1301 const struct ovs_key_sctp *sctp_mask = nl_attr_get(ma);
1302 const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
1303
1304 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1305 ",dst=%"PRIu16"/%#"PRIx16,
1306 ntohs(sctp_key->sctp_src), ntohs(sctp_mask->sctp_src),
1307 ntohs(sctp_key->sctp_dst), ntohs(sctp_mask->sctp_dst));
1308 } else {
1309 const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
1310
1311 ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
1312 ntohs(sctp_key->sctp_src), ntohs(sctp_key->sctp_dst));
1313 }
1314 break;
1315
df2c07f4 1316 case OVS_KEY_ATTR_ICMP:
dc8c5408 1317 if (!is_exact) {
e6cc0bab
AZ		 1318 const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma);
1319 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1320
1321 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1322 icmp_key->icmp_type, icmp_mask->icmp_type,
1323 icmp_key->icmp_code, icmp_mask->icmp_code);
1324 } else {
1325 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1326
1327 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1328 icmp_key->icmp_type, icmp_key->icmp_code);
1329 }
36956a7d
BP		 1330 break;
1331
df2c07f4 1332 case OVS_KEY_ATTR_ICMPV6:
dc8c5408 1333 if (!is_exact) {
e6cc0bab
AZ		 1334 const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma);
1335 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1336
1337 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1338 icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type,
1339 icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code);
1340 } else {
1341 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1342
1343 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1344 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
1345 }
d31f1109
JP		 1346 break;
1347
df2c07f4 1348 case OVS_KEY_ATTR_ARP:
dc8c5408 1349 if (!is_exact) {
e6cc0bab
AZ		 1350 const struct ovs_key_arp *arp_mask = nl_attr_get(ma);
1351 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1352
1353 ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT
1354 ",op=%"PRIu16"/%#"PRIx16
1355 ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1356 ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1357 IP_ARGS(arp_key->arp_sip),
1358 IP_ARGS(arp_mask->arp_sip),
1359 IP_ARGS(arp_key->arp_tip),
1360 IP_ARGS(arp_mask->arp_tip),
1361 ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op),
1362 ETH_ADDR_ARGS(arp_key->arp_sha),
1363 ETH_ADDR_ARGS(arp_mask->arp_sha),
1364 ETH_ADDR_ARGS(arp_key->arp_tha),
1365 ETH_ADDR_ARGS(arp_mask->arp_tha));
1366 } else {
1367 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1368
1369 ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
1370 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT,
1371 IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip),
1372 ntohs(arp_key->arp_op),
1373 ETH_ADDR_ARGS(arp_key->arp_sha),
1374 ETH_ADDR_ARGS(arp_key->arp_tha));
1375 }
36956a7d
BP		 1376 break;
1377
df2c07f4 1378 case OVS_KEY_ATTR_ND: {
dc8c5408 1379 const struct ovs_key_nd *nd_key, *nd_mask = NULL;
685a51a5
JP		 1380 char target[INET6_ADDRSTRLEN];
1381
1382 nd_key = nl_attr_get(a);
dc8c5408
AZ		 1383 if (!is_exact) {
1384 nd_mask = nl_attr_get(ma);
1385 }
e6cc0bab 1386
685a51a5 1387 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
e6cc0bab 1388 ds_put_format(ds, "target=%s", target);
dc8c5408 1389 if (!is_exact) {
e6cc0bab
AZ		 1390 inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target);
1391 ds_put_format(ds, "/%s", target);
1392 }
685a51a5 1393
685a51a5
JP		 1394 if (!eth_addr_is_zero(nd_key->nd_sll)) {
1395 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
1396 ETH_ADDR_ARGS(nd_key->nd_sll));
dc8c5408 1397 if (!is_exact) {
e6cc0bab
AZ		 1398 ds_put_format(ds, "/"ETH_ADDR_FMT,
1399 ETH_ADDR_ARGS(nd_mask->nd_sll));
1400 }
685a51a5
JP		 1401 }
1402 if (!eth_addr_is_zero(nd_key->nd_tll)) {
1403 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
1404 ETH_ADDR_ARGS(nd_key->nd_tll));
dc8c5408 1405 if (!is_exact) {
e6cc0bab
AZ		 1406 ds_put_format(ds, "/"ETH_ADDR_FMT,
1407 ETH_ADDR_ARGS(nd_mask->nd_tll));
1408 }
685a51a5 1409 }
685a51a5
JP		 1410 break;
1411 }
7a8e9ed2
BP		 1412 case OVS_KEY_ATTR_UNSPEC:
1413 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 1414 default:
1415 format_generic_odp_key(a, ds);
dc8c5408 1416 if (!is_exact) {
e6cc0bab
AZ		 1417 ds_put_char(ds, '/');
1418 format_generic_odp_key(ma, ds);
1419 }
36956a7d
BP		 1420 break;
1421 }
e6cc0bab 1422 ds_put_char(ds, ')');
36956a7d
BP		 1423}
1424
dc8c5408
AZ		 1425static struct nlattr *
1426generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key)
1427{
1428 const struct nlattr *a;
1429 unsigned int left;
1430 int type = nl_attr_type(key);
1431 int size = nl_attr_get_size(key);
1432
1433 if (odp_flow_key_attr_len(type) >=0) {
9ddf12cc 1434 nl_msg_put_unspec_zero(ofp, type, size);
dc8c5408
AZ		 1435 } else {
1436 size_t nested_mask;
1437
1438 nested_mask = nl_msg_start_nested(ofp, type);
1439 NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) {
1440 generate_all_wildcard_mask(ofp, nl_attr_get(a));
1441 }
1442 nl_msg_end_nested(ofp, nested_mask);
1443 }
1444
1f317cb5 1445 return ofpbuf_base(ofp);
dc8c5408
AZ		 1446}
1447
36956a7d 1448/* Appends to 'ds' a string representation of the 'key_len' bytes of
e6cc0bab 1449 * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the
73580638
GS		 1450 * 'mask_len' bytes of 'mask' which apply to 'key'. If 'portno_names' is
1451 * non-null and 'verbose' is true, translates odp port number to its name. */
14608a15 1452void
e6cc0bab
AZ		 1453odp_flow_format(const struct nlattr *key, size_t key_len,
1454 const struct nlattr *mask, size_t mask_len,
0a37839c 1455 const struct hmap *portno_names, struct ds *ds, bool verbose)
14608a15 1456{
36956a7d
BP		 1457 if (key_len) {
1458 const struct nlattr *a;
1459 unsigned int left;
e6cc0bab
AZ		 1460 bool has_ethtype_key = false;
1461 const struct nlattr *ma = NULL;
dc8c5408 1462 struct ofpbuf ofp;
041e7168 1463 bool first_field = true;
36956a7d 1464
dc8c5408 1465 ofpbuf_init(&ofp, 100);
36956a7d 1466 NL_ATTR_FOR_EACH (a, left, key, key_len) {
041e7168
AZ		 1467 bool is_nested_attr;
1468 bool is_wildcard = false;
1469 int attr_type = nl_attr_type(a);
1470
1471 if (attr_type == OVS_KEY_ATTR_ETHERTYPE) {
e6cc0bab
AZ		 1472 has_ethtype_key = true;
1473 }
041e7168
AZ		 1474
1475 is_nested_attr = (odp_flow_key_attr_len(attr_type) == -2);
1476
e6cc0bab
AZ		 1477 if (mask && mask_len) {
1478 ma = nl_attr_find__(mask, mask_len, nl_attr_type(a));
041e7168
AZ		 1479 is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true;
1480 }
1481
1482 if (verbose || !is_wildcard || is_nested_attr) {
1483 if (is_wildcard && !ma) {
dc8c5408
AZ		 1484 ma = generate_all_wildcard_mask(&ofp, a);
1485 }
041e7168
AZ		 1486 if (!first_field) {
1487 ds_put_char(ds, ',');
1488 }
0a37839c 1489 format_odp_key_attr(a, ma, portno_names, ds, verbose);
041e7168 1490 first_field = false;
e6cc0bab 1491 }
dc8c5408 1492 ofpbuf_clear(&ofp);
36956a7d 1493 }
dc8c5408
AZ		 1494 ofpbuf_uninit(&ofp);
1495
36956a7d 1496 if (left) {
3a8cfc50 1497 int i;
1394054e 1498
36956a7d
BP		 1499 if (left == key_len) {
1500 ds_put_cstr(ds, "<empty>");
1501 }
3a8cfc50
BP		 1502 ds_put_format(ds, ",***%u leftover bytes*** (", left);
1503 for (i = 0; i < left; i++) {
1504 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
1505 }
1506 ds_put_char(ds, ')');
36956a7d 1507 }
e6cc0bab
AZ		 1508 if (!has_ethtype_key) {
1509 ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE);
1510 if (ma) {
1511 ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")",
1512 ntohs(nl_attr_get_be16(ma)));
1513 }
1514 }
36956a7d
BP		 1515 } else {
1516 ds_put_cstr(ds, "<empty>");
1517 }
14608a15 1518}
064af421 1519
e6cc0bab
AZ		 1520/* Appends to 'ds' a string representation of the 'key_len' bytes of
1521 * OVS_KEY_ATTR_* attributes in 'key'. */
1522void
1523odp_flow_key_format(const struct nlattr *key,
1524 size_t key_len, struct ds *ds)
1525{
0a37839c 1526 odp_flow_format(key, key_len, NULL, 0, NULL, ds, true);
e6cc0bab
AZ		 1527}
1528
dc8c5408
AZ		 1529static void
1530put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll,
1531 const uint8_t *nd_tll, struct ofpbuf *key)
1532{
1533 if (nd_sll) {
1534 memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN);
1535 }
1536
1537 if (nd_tll) {
1538 memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN);
1539 }
1540
1541 nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key);
1542}
1543
3bffc610 1544static int
dc8c5408
AZ		 1545put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll,
1546 const uint8_t *nd_tll, struct ofpbuf *key)
3bffc610 1547{
df2c07f4 1548 struct ovs_key_nd nd_key;
3bffc610
BP		 1549
1550 memset(&nd_key, 0, sizeof nd_key);
dc8c5408 1551
3bffc610
BP		 1552 if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
1553 return -EINVAL;
1554 }
dc8c5408
AZ		 1555
1556 put_nd(&nd_key, nd_sll, nd_tll, key);
1557 return n;
1558}
1559
1560static int
1561put_nd_mask(int n, const char *nd_target_s,
1562 const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask)
1563{
1564 struct ovs_key_nd nd_mask;
1565
1566 memset(&nd_mask, 0xff, sizeof nd_mask);
1567
1568 if (strlen(nd_target_s) != 0 &&
1569 inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) {
1570 return -EINVAL;
3bffc610 1571 }
dc8c5408
AZ		 1572
1573 put_nd(&nd_mask, nd_sll, nd_tll, mask);
3bffc610
BP		 1574 return n;
1575}
1576
7257b535
BP		 1577static bool
1578ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type)
1579{
1580 if (!strcasecmp(s, "no")) {
1581 *type = OVS_FRAG_TYPE_NONE;
1582 } else if (!strcasecmp(s, "first")) {
1583 *type = OVS_FRAG_TYPE_FIRST;
1584 } else if (!strcasecmp(s, "later")) {
1585 *type = OVS_FRAG_TYPE_LATER;
1586 } else {
1587 return false;
1588 }
1589 return true;
1590}
1591
b02475c5
SH		 1592static ovs_be32
1593mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos)
1594{
1595 return (htonl((mpls_label << MPLS_LABEL_SHIFT) |
1596 (mpls_tc << MPLS_TC_SHIFT) |
1597 (mpls_ttl << MPLS_TTL_SHIFT) |
1598 (mpls_bos << MPLS_BOS_SHIFT)));
1599}
1600
3bffc610 1601static int
e6cc0bab
AZ		 1602parse_odp_key_mask_attr(const char *s, const struct simap *port_names,
1603 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610 1604{
abff858b 1605 {
c2c28dfd
BP		 1606 uint32_t priority;
1607 uint32_t priority_mask;
abff858b
PS		 1608 int n = -1;
1609
c2c28dfd
BP		 1610 if (mask && ovs_scan(s, "skb_priority(%"SCNi32"/%"SCNi32")%n",
1611 &priority, &priority_mask, &n)) {
e6cc0bab
AZ		 1612 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
1613 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask);
1614 return n;
c2c28dfd 1615 } else if (ovs_scan(s, "skb_priority(%"SCNi32")%n", &priority, &n)) {
abff858b 1616 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
e6cc0bab
AZ		 1617 if (mask) {
1618 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX);
1619 }
abff858b
PS		 1620 return n;
1621 }
1622 }
1623
72e8bf28 1624 {
c2c28dfd
BP		 1625 uint32_t mark;
1626 uint32_t mark_mask;
72e8bf28
AA		 1627 int n = -1;
1628
c2c28dfd
BP		 1629 if (mask && ovs_scan(s, "skb_mark(%"SCNi32"/%"SCNi32")%n", &mark,
1630 &mark_mask, &n)) {
e6cc0bab
AZ		 1631 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
1632 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask);
1633 return n;
c2c28dfd 1634 } else if (ovs_scan(s, "skb_mark(%"SCNi32")%n", &mark, &n)) {
72e8bf28 1635 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
e6cc0bab
AZ		 1636 if (mask) {
1637 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX);
1638 }
72e8bf28
AA		 1639 return n;
1640 }
1641 }
1642
572f732a
AZ		 1643 {
1644 uint32_t recirc_id;
1645 int n = -1;
1646
1647 if (ovs_scan(s, "recirc_id(%"SCNi32")%n", &recirc_id, &n)) {
1648 nl_msg_put_u32(key, OVS_KEY_ATTR_RECIRC_ID, recirc_id);
1649 nl_msg_put_u32(mask, OVS_KEY_ATTR_RECIRC_ID, UINT32_MAX);
1650 return n;
1651 }
1652 }
1653
1654 {
1655 uint32_t dp_hash;
1656 uint32_t dp_hash_mask;
1657 int n = -1;
1658
1659 if (mask && ovs_scan(s, "dp_hash(%"SCNi32"/%"SCNi32")%n", &dp_hash,
1660 &dp_hash_mask, &n)) {
1661 nl_msg_put_u32(key, OVS_KEY_ATTR_DP_HASH, dp_hash);
1662 nl_msg_put_u32(mask, OVS_KEY_ATTR_DP_HASH, dp_hash_mask);
1663 return n;
1664 } else if (ovs_scan(s, "dp_hash(%"SCNi32")%n", &dp_hash, &n)) {
1665 nl_msg_put_u32(key, OVS_KEY_ATTR_DP_HASH, dp_hash);
1666 if (mask) {
1667 nl_msg_put_u32(mask, OVS_KEY_ATTR_DP_HASH, UINT32_MAX);
1668 }
1669 return n;
1670 }
1671 }
1672
35651d6a 1673 {
c2c28dfd 1674 uint64_t tun_id, tun_id_mask;
e6cc0bab 1675 struct flow_tnl tun_key, tun_key_mask;
35651d6a
JG		 1676 int n = -1;
1677
c2c28dfd
BP		 1678 if (mask && ovs_scan(s, "tunnel(tun_id=%"SCNi64"/%"SCNi64","
1679 "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT
1680 "/"IP_SCAN_FMT",tos=%"SCNi8"/%"SCNi8","
1681 "ttl=%"SCNi8"/%"SCNi8",flags%n",
1682 &tun_id, &tun_id_mask,
1683 IP_SCAN_ARGS(&tun_key.ip_src),
1684 IP_SCAN_ARGS(&tun_key_mask.ip_src),
1685 IP_SCAN_ARGS(&tun_key.ip_dst),
1686 IP_SCAN_ARGS(&tun_key_mask.ip_dst),
1687 &tun_key.ip_tos, &tun_key_mask.ip_tos,
1688 &tun_key.ip_ttl, &tun_key_mask.ip_ttl, &n)) {
e6cc0bab
AZ		 1689 int res;
1690 uint32_t flags;
1691
c2c28dfd 1692 tun_key.tun_id = htonll(tun_id);
e6cc0bab 1693 tun_key_mask.tun_id = htonll(tun_id_mask);
e6cc0bab
AZ		 1694 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
1695 tun_key.flags = flags;
1696 tun_key_mask.flags = UINT16_MAX;
1697
1698 if (res < 0) {
1699 return res;
1700 }
1701 n += res;
1702 if (s[n] != ')') {
1703 return -EINVAL;
1704 }
1705 n++;
1706 tun_key_to_attr(key, &tun_key);
1707 if (mask) {
1708 tun_key_to_attr(mask, &tun_key_mask);
1709 }
1710 return n;
c2c28dfd
BP		 1711 } else if (ovs_scan(s, "tunnel(tun_id=%"SCNi64","
1712 "src="IP_SCAN_FMT",dst="IP_SCAN_FMT
1713 ",tos=%"SCNi8",ttl=%"SCNi8",flags%n", &tun_id,
1714 IP_SCAN_ARGS(&tun_key.ip_src),
1715 IP_SCAN_ARGS(&tun_key.ip_dst),
1716 &tun_key.ip_tos, &tun_key.ip_ttl, &n)) {
29c7a2b2 1717 int res;
9b405f1a 1718 uint32_t flags;
29c7a2b2 1719
c2c28dfd 1720 tun_key.tun_id = htonll(tun_id);
9b405f1a 1721 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
e6cc0bab 1722 tun_key.flags = flags;
29c7a2b2 1723
29c7a2b2
PS		 1724 if (res < 0) {
1725 return res;
1726 }
1727 n += res;
1728 if (s[n] != ')') {
1729 return -EINVAL;
1730 }
1731 n++;
9b405f1a 1732 tun_key_to_attr(key, &tun_key);
e6cc0bab
AZ		 1733
1734 if (mask) {
1735 memset(&tun_key, 0xff, sizeof tun_key);
1736 tun_key_to_attr(mask, &tun_key);
1737 }
35651d6a
JG		 1738 return n;
1739 }
1740 }
1741
3bffc610 1742 {
c2c28dfd
BP		 1743 uint32_t in_port;
1744 uint32_t in_port_mask;
3bffc610
BP		 1745 int n = -1;
1746
c2c28dfd
BP		 1747 if (mask && ovs_scan(s, "in_port(%"SCNi32"/%"SCNi32")%n",
1748 &in_port, &in_port_mask, &n)) {
e6cc0bab
AZ		 1749 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
1750 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask);
1751 return n;
c2c28dfd 1752 } else if (ovs_scan(s, "in_port(%"SCNi32")%n", &in_port, &n)) {
df2c07f4 1753 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
e6cc0bab
AZ		 1754 if (mask) {
1755 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1756 }
3bffc610
BP		 1757 return n;
1758 }
1759 }
1760
e6cc0bab 1761
b2a60db8
BP		 1762 if (port_names && !strncmp(s, "in_port(", 8)) {
1763 const char *name;
44bac24b 1764 const struct simap_node *node;
b2a60db8
BP		 1765 int name_len;
1766
1767 name = s + 8;
c46c613a 1768 name_len = strcspn(name, ")");
44bac24b 1769 node = simap_find_len(port_names, name, name_len);
b2a60db8 1770 if (node) {
44bac24b 1771 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
e6cc0bab
AZ		 1772
1773 if (mask) {
1774 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1775 }
b2a60db8
BP		 1776 return 8 + name_len + 1;
1777 }
1778 }
1779
3bffc610 1780 {
df2c07f4 1781 struct ovs_key_ethernet eth_key;
e6cc0bab 1782 struct ovs_key_ethernet eth_key_mask;
3bffc610
BP		 1783 int n = -1;
1784
c2c28dfd
BP		 1785 if (mask && ovs_scan(s,
1786 "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
1787 "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
1788 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1789 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src),
1790 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst),
1791 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n)) {
e6cc0bab
AZ		 1792 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
1793 &eth_key, sizeof eth_key);
1794 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1795 &eth_key_mask, sizeof eth_key_mask);
1796 return n;
c2c28dfd
BP		 1797 } else if (ovs_scan(s, "eth(src="ETH_ADDR_SCAN_FMT","
1798 "dst="ETH_ADDR_SCAN_FMT")%n",
1799 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1800 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n)) {
df2c07f4 1801 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
3bffc610 1802 &eth_key, sizeof eth_key);
e6cc0bab
AZ		 1803
1804 if (mask) {
1805 memset(&eth_key, 0xff, sizeof eth_key);
1806 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1807 &eth_key, sizeof eth_key);
1808 }
3bffc610
BP		 1809 return n;
1810 }
1811 }
1812
1813 {
c2c28dfd 1814 int vid, vid_mask;
e6cc0bab
AZ		 1815 int pcp, pcp_mask;
1816 int cfi, cfi_mask;
3bffc610
BP		 1817 int n = -1;
1818
c2c28dfd
BP		 1819 if (mask && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i)%n",
1820 &vid, &vid_mask, &pcp, &pcp_mask, &n)) {
e6cc0bab
AZ		 1821 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1822 htons((vid << VLAN_VID_SHIFT) |
1823 (pcp << VLAN_PCP_SHIFT) |
1824 VLAN_CFI));
1825 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1826 htons((vid_mask << VLAN_VID_SHIFT) |
1827 (pcp_mask << VLAN_PCP_SHIFT) |
1828 (1 << VLAN_CFI_SHIFT)));
1829 return n;
c2c28dfd 1830 } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n)) {
fea393b1
BP		 1831 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1832 htons((vid << VLAN_VID_SHIFT) |
8ddc056d
BP		 1833 (pcp << VLAN_PCP_SHIFT) |
1834 VLAN_CFI));
e6cc0bab 1835 if (mask) {
b8266395 1836 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
e6cc0bab
AZ		 1837 }
1838 return n;
c2c28dfd
BP		 1839 } else if (mask
1840 && ovs_scan(s, "vlan(vid=%i/%i,pcp=%i/%i,cfi=%i/%i)%n",
1841 &vid, &vid_mask, &pcp, &pcp_mask,
1842 &cfi, &cfi_mask, &n)) {
e6cc0bab
AZ		 1843 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1844 htons((vid << VLAN_VID_SHIFT) |
1845 (pcp << VLAN_PCP_SHIFT) |
1846 (cfi ? VLAN_CFI : 0)));
1847 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1848 htons((vid_mask << VLAN_VID_SHIFT) |
1849 (pcp_mask << VLAN_PCP_SHIFT) |
1850 (cfi_mask << VLAN_CFI_SHIFT)));
8ddc056d 1851 return n;
c2c28dfd
BP		 1852 } else if (ovs_scan(s, "vlan(vid=%i,pcp=%i,cfi=%i)%n",
1853 &vid, &pcp, &cfi, &n)) {
8ddc056d
BP		 1854 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1855 htons((vid << VLAN_VID_SHIFT) |
1856 (pcp << VLAN_PCP_SHIFT) |
1857 (cfi ? VLAN_CFI : 0)));
e6cc0bab 1858 if (mask) {
b8266395 1859 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
e6cc0bab 1860 }
3bffc610
BP		 1861 return n;
1862 }
1863 }
1864
1865 {
fac2e516 1866 int eth_type;
e6cc0bab 1867 int eth_type_mask;
3bffc610
BP		 1868 int n = -1;
1869
c2c28dfd
BP		 1870 if (mask && ovs_scan(s, "eth_type(%i/%i)%n",
1871 &eth_type, &eth_type_mask, &n)) {
e6cc0bab
AZ		 1872 if (eth_type != 0) {
1873 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
1874 }
1875 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask));
1876 return n;
c2c28dfd 1877 } else if (ovs_scan(s, "eth_type(%i)%n", &eth_type, &n)) {
df2c07f4 1878 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
e6cc0bab 1879 if (mask) {
b8266395 1880 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
e6cc0bab 1881 }
3bffc610
BP		 1882 return n;
1883 }
1884 }
1885
b02475c5
SH		 1886 {
1887 int label, tc, ttl, bos;
e6cc0bab 1888 int label_mask, tc_mask, ttl_mask, bos_mask;
b02475c5
SH		 1889 int n = -1;
1890
c2c28dfd
BP		 1891 if (mask && ovs_scan(s, "mpls(label=%i/%i,tc=%i/%i,"
1892 "ttl=%i/%i,bos=%i/%i)%n",
1893 &label, &label_mask, &tc, &tc_mask,
1894 &ttl, &ttl_mask, &bos, &bos_mask, &n)) {
e6cc0bab
AZ		 1895 struct ovs_key_mpls *mpls, *mpls_mask;
1896
1897 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1898 sizeof *mpls);
1899 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
1900
1901 mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1902 sizeof *mpls_mask);
1903 mpls_mask->mpls_lse = mpls_lse_from_components(
1904 label_mask, tc_mask, ttl_mask, bos_mask);
1905 return n;
c2c28dfd
BP		 1906 } else if (ovs_scan(s, "mpls(label=%i,tc=%i,ttl=%i,bos=%i)%n",
1907 &label, &tc, &ttl, &bos, &n)) {
b02475c5
SH		 1908 struct ovs_key_mpls *mpls;
1909
1910 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1911 sizeof *mpls);
20131cef 1912 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
e6cc0bab
AZ		 1913 if (mask) {
1914 mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1915 sizeof *mpls);
b8266395 1916 mpls->mpls_lse = OVS_BE32_MAX;
e6cc0bab 1917 }
b02475c5
SH		 1918 return n;
1919 }
1920 }
1921
e6cc0bab 1922
3bffc610 1923 {
c2c28dfd
BP		 1924 struct ovs_key_ipv4 ipv4_key;
1925 struct ovs_key_ipv4 ipv4_mask;
1926
7257b535
BP		 1927 char frag[8];
1928 enum ovs_frag_type ipv4_frag;
3bffc610
BP		 1929 int n = -1;
1930
c2c28dfd
BP		 1931 if (mask
1932 && ovs_scan(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT","
1933 "dst="IP_SCAN_FMT"/"IP_SCAN_FMT","
1934 "proto=%"SCNi8"/%"SCNi8","
1935 "tos=%"SCNi8"/%"SCNi8","
1936 "ttl=%"SCNi8"/%"SCNi8","
1937 "frag=%7[a-z]/%"SCNi8")%n",
1938 IP_SCAN_ARGS(&ipv4_key.ipv4_src),
1939 IP_SCAN_ARGS(&ipv4_mask.ipv4_src),
1940 IP_SCAN_ARGS(&ipv4_key.ipv4_dst),
1941 IP_SCAN_ARGS(&ipv4_mask.ipv4_dst),
1942 &ipv4_key.ipv4_proto, &ipv4_mask.ipv4_proto,
1943 &ipv4_key.ipv4_tos, &ipv4_mask.ipv4_tos,
1944 &ipv4_key.ipv4_ttl, &ipv4_mask.ipv4_ttl,
1945 frag, &ipv4_mask.ipv4_frag, &n)
e6cc0bab 1946 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
e6cc0bab
AZ		 1947 ipv4_key.ipv4_frag = ipv4_frag;
1948 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
1949 &ipv4_key, sizeof ipv4_key);
1950
e6cc0bab
AZ		 1951 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1952 &ipv4_mask, sizeof ipv4_mask);
1953 return n;
c2c28dfd
BP		 1954 } else if (ovs_scan(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT","
1955 "proto=%"SCNi8",tos=%"SCNi8",ttl=%"SCNi8","
1956 "frag=%7[a-z])%n",
1957 IP_SCAN_ARGS(&ipv4_key.ipv4_src),
1958 IP_SCAN_ARGS(&ipv4_key.ipv4_dst),
1959 &ipv4_key.ipv4_proto,
1960 &ipv4_key.ipv4_tos,
1961 &ipv4_key.ipv4_ttl,
1962 frag, &n) > 0
1963 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
7257b535 1964 ipv4_key.ipv4_frag = ipv4_frag;
df2c07f4 1965 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
3bffc610 1966 &ipv4_key, sizeof ipv4_key);
e6cc0bab
AZ		 1967
1968 if (mask) {
1969 memset(&ipv4_key, 0xff, sizeof ipv4_key);
1970 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1971 &ipv4_key, sizeof ipv4_key);
1972 }
3bffc610
BP		 1973 return n;
1974 }
1975 }
1976
1977 {
1978 char ipv6_src_s[IPV6_SCAN_LEN + 1];
e6cc0bab 1979 char ipv6_src_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 1980 char ipv6_dst_s[IPV6_SCAN_LEN + 1];
e6cc0bab
AZ		 1981 char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1];
1982 int ipv6_label, ipv6_label_mask;
1983 int ipv6_proto, ipv6_proto_mask;
1984 int ipv6_tclass, ipv6_tclass_mask;
1985 int ipv6_hlimit, ipv6_hlimit_mask;
7257b535
BP		 1986 char frag[8];
1987 enum ovs_frag_type ipv6_frag;
e6cc0bab 1988 int ipv6_frag_mask;
3bffc610
BP		 1989 int n = -1;
1990
c2c28dfd
BP		 1991 if (mask && ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst="
1992 IPV6_SCAN_FMT"/"IPV6_SCAN_FMT","
1993 "label=%i/%i,proto=%i/%i,tclass=%i/%i,"
1994 "hlimit=%i/%i,frag=%7[a-z]/%i)%n",
1995 ipv6_src_s, ipv6_src_mask_s,
1996 ipv6_dst_s, ipv6_dst_mask_s,
1997 &ipv6_label, &ipv6_label_mask, &ipv6_proto,
1998 &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask,
1999 &ipv6_hlimit, &ipv6_hlimit_mask, frag,
2000 &ipv6_frag_mask, &n)
e6cc0bab
AZ		 2001 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
2002 struct ovs_key_ipv6 ipv6_key;
2003 struct ovs_key_ipv6 ipv6_mask;
2004
2005 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
2006 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 ||
2007 inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 ||
2008 inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) {
2009 return -EINVAL;
2010 }
2011
2012 ipv6_key.ipv6_label = htonl(ipv6_label);
2013 ipv6_key.ipv6_proto = ipv6_proto;
2014 ipv6_key.ipv6_tclass = ipv6_tclass;
2015 ipv6_key.ipv6_hlimit = ipv6_hlimit;
2016 ipv6_key.ipv6_frag = ipv6_frag;
2017 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
2018 &ipv6_key, sizeof ipv6_key);
2019
2020 ipv6_mask.ipv6_label = htonl(ipv6_label_mask);
2021 ipv6_mask.ipv6_proto = ipv6_proto_mask;
2022 ipv6_mask.ipv6_tclass = ipv6_tclass_mask;
2023 ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask;
2024 ipv6_mask.ipv6_frag = ipv6_frag_mask;
2025 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
2026 &ipv6_mask, sizeof ipv6_mask);
2027 return n;
c2c28dfd
BP		 2028 } else if (ovs_scan(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT","
2029 "label=%i,proto=%i,tclass=%i,hlimit=%i,"
2030 "frag=%7[a-z])%n",
2031 ipv6_src_s, ipv6_dst_s, &ipv6_label,
2032 &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n)
2033 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
df2c07f4 2034 struct ovs_key_ipv6 ipv6_key;
3bffc610 2035
3bffc610
BP		 2036 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
2037 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) {
2038 return -EINVAL;
2039 }
fa8223b7 2040 ipv6_key.ipv6_label = htonl(ipv6_label);
3bffc610 2041 ipv6_key.ipv6_proto = ipv6_proto;
60258dcb 2042 ipv6_key.ipv6_tclass = ipv6_tclass;
a61680c6 2043 ipv6_key.ipv6_hlimit = ipv6_hlimit;
7257b535 2044 ipv6_key.ipv6_frag = ipv6_frag;
df2c07f4 2045 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
3bffc610 2046 &ipv6_key, sizeof ipv6_key);
e6cc0bab
AZ		 2047
2048 if (mask) {
2049 memset(&ipv6_key, 0xff, sizeof ipv6_key);
2050 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
2051 &ipv6_key, sizeof ipv6_key);
2052 }
3bffc610
BP		 2053 return n;
2054 }
2055 }
2056
2057 {
2058 int tcp_src;
2059 int tcp_dst;
e6cc0bab
AZ		 2060 int tcp_src_mask;
2061 int tcp_dst_mask;
3bffc610
BP		 2062 int n = -1;
2063
c2c28dfd
BP		 2064 if (mask && ovs_scan(s, "tcp(src=%i/%i,dst=%i/%i)%n",
2065 &tcp_src, &tcp_src_mask, &tcp_dst,
2066 &tcp_dst_mask, &n)) {
df2c07f4 2067 struct ovs_key_tcp tcp_key;
e6cc0bab 2068 struct ovs_key_tcp tcp_mask;
3bffc610
BP		 2069
2070 tcp_key.tcp_src = htons(tcp_src);
2071 tcp_key.tcp_dst = htons(tcp_dst);
df2c07f4 2072 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
e6cc0bab
AZ		 2073
2074 tcp_mask.tcp_src = htons(tcp_src_mask);
2075 tcp_mask.tcp_dst = htons(tcp_dst_mask);
2076 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
2077 &tcp_mask, sizeof tcp_mask);
2078 return n;
c2c28dfd
BP		 2079 } else if (ovs_scan(s, "tcp(src=%i,dst=%i)%n",
2080 &tcp_src, &tcp_dst, &n)) {
e6cc0bab
AZ		 2081 struct ovs_key_tcp tcp_key;
2082
2083 tcp_key.tcp_src = htons(tcp_src);
2084 tcp_key.tcp_dst = htons(tcp_dst);
2085 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
2086
2087 if (mask) {
2088 memset(&tcp_key, 0xff, sizeof tcp_key);
2089 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
2090 &tcp_key, sizeof tcp_key);
2091 }
3bffc610
BP		 2092 return n;
2093 }
2094 }
2095
dc235f7f
JR		 2096 {
2097 uint16_t tcp_flags, tcp_flags_mask;
2098 int n = -1;
2099
c2c28dfd
BP		 2100 if (mask && ovs_scan(s, "tcp_flags(%"SCNi16"/%"SCNi16")%n",
2101 &tcp_flags, &tcp_flags_mask, &n) > 0 && n > 0) {
dc235f7f
JR		 2102 nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags));
2103 nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags_mask));
2104 return n;
c2c28dfd 2105 } else if (ovs_scan(s, "tcp_flags(%"SCNi16")%n", &tcp_flags, &n)) {
dc235f7f
JR		 2106 nl_msg_put_be16(key, OVS_KEY_ATTR_TCP_FLAGS, htons(tcp_flags));
2107 if (mask) {
2108 nl_msg_put_be16(mask, OVS_KEY_ATTR_TCP_FLAGS,
2109 htons(UINT16_MAX));
2110 }
2111 return n;
2112 }
2113 }
2114
3bffc610
BP		 2115 {
2116 int udp_src;
2117 int udp_dst;
e6cc0bab
AZ		 2118 int udp_src_mask;
2119 int udp_dst_mask;
3bffc610
BP		 2120 int n = -1;
2121
c2c28dfd
BP		 2122 if (mask && ovs_scan(s, "udp(src=%i/%i,dst=%i/%i)%n",
2123 &udp_src, &udp_src_mask,
2124 &udp_dst, &udp_dst_mask, &n)) {
e6cc0bab
AZ		 2125 struct ovs_key_udp udp_key;
2126 struct ovs_key_udp udp_mask;
2127
2128 udp_key.udp_src = htons(udp_src);
2129 udp_key.udp_dst = htons(udp_dst);
2130 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2131
2132 udp_mask.udp_src = htons(udp_src_mask);
2133 udp_mask.udp_dst = htons(udp_dst_mask);
2134 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP,
2135 &udp_mask, sizeof udp_mask);
2136 return n;
2137 }
c2c28dfd 2138 if (ovs_scan(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n)) {
df2c07f4 2139 struct ovs_key_udp udp_key;
3bffc610
BP		 2140
2141 udp_key.udp_src = htons(udp_src);
2142 udp_key.udp_dst = htons(udp_dst);
df2c07f4 2143 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
e6cc0bab
AZ		 2144
2145 if (mask) {
2146 memset(&udp_key, 0xff, sizeof udp_key);
2147 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2148 }
3bffc610
BP		 2149 return n;
2150 }
2151 }
2152
c6bcb685
JS		 2153 {
2154 int sctp_src;
2155 int sctp_dst;
2156 int sctp_src_mask;
2157 int sctp_dst_mask;
2158 int n = -1;
2159
c2c28dfd
BP		 2160 if (mask && ovs_scan(s, "sctp(src=%i/%i,dst=%i/%i)%n",
2161 &sctp_src, &sctp_src_mask,
2162 &sctp_dst, &sctp_dst_mask, &n)) {
c6bcb685
JS		 2163 struct ovs_key_sctp sctp_key;
2164 struct ovs_key_sctp sctp_mask;
2165
2166 sctp_key.sctp_src = htons(sctp_src);
2167 sctp_key.sctp_dst = htons(sctp_dst);
2168 nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2169
2170 sctp_mask.sctp_src = htons(sctp_src_mask);
2171 sctp_mask.sctp_dst = htons(sctp_dst_mask);
2172 nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP,
2173 &sctp_mask, sizeof sctp_mask);
2174 return n;
2175 }
c2c28dfd 2176 if (ovs_scan(s, "sctp(src=%i,dst=%i)%n", &sctp_src, &sctp_dst, &n)) {
c6bcb685
JS		 2177 struct ovs_key_sctp sctp_key;
2178
2179 sctp_key.sctp_src = htons(sctp_src);
2180 sctp_key.sctp_dst = htons(sctp_dst);
2181 nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2182
2183 if (mask) {
2184 memset(&sctp_key, 0xff, sizeof sctp_key);
2185 nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
2186 }
2187 return n;
2188 }
2189 }
2190
3bffc610 2191 {
c2c28dfd
BP		 2192 struct ovs_key_icmp icmp_key;
2193 struct ovs_key_icmp icmp_mask;
3bffc610
BP		 2194 int n = -1;
2195
c2c28dfd
BP		 2196 if (mask && ovs_scan(s, "icmp(type=%"SCNi8"/%"SCNi8","
2197 "code=%"SCNi8"/%"SCNi8")%n",
2198 &icmp_key.icmp_type, &icmp_mask.icmp_type,
2199 &icmp_key.icmp_code, &icmp_mask.icmp_code, &n)) {
e6cc0bab
AZ		 2200 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
2201 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2202 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP,
2203 &icmp_mask, sizeof icmp_mask);
2204 return n;
c2c28dfd
BP		 2205 } else if (ovs_scan(s, "icmp(type=%"SCNi8",code=%"SCNi8")%n",
2206 &icmp_key.icmp_type, &icmp_key.icmp_code, &n)) {
df2c07f4 2207 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
3bffc610 2208 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2209 if (mask) {
2210 memset(&icmp_key, 0xff, sizeof icmp_key);
2211 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key,
2212 sizeof icmp_key);
2213 }
3bffc610
BP		 2214 return n;
2215 }
2216 }
2217
2218 {
df2c07f4 2219 struct ovs_key_icmpv6 icmpv6_key;
e6cc0bab 2220 struct ovs_key_icmpv6 icmpv6_mask;
3bffc610
BP		 2221 int n = -1;
2222
c2c28dfd
BP		 2223 if (mask && ovs_scan(s, "icmpv6(type=%"SCNi8"/%"SCNi8","
2224 "code=%"SCNi8"/%"SCNi8")%n",
2225 &icmpv6_key.icmpv6_type, &icmpv6_mask.icmpv6_type,
2226 &icmpv6_key.icmpv6_code, &icmpv6_mask.icmpv6_code,
2227 &n)) {
e6cc0bab
AZ		 2228 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
2229 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2230 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask,
2231 sizeof icmpv6_mask);
2232 return n;
c2c28dfd
BP		 2233 } else if (ovs_scan(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n",
2234 &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,
2235 &n)) {
df2c07f4 2236 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
3bffc610 2237 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2238
2239 if (mask) {
2240 memset(&icmpv6_key, 0xff, sizeof icmpv6_key);
2241 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key,
2242 sizeof icmpv6_key);
2243 }
3bffc610
BP		 2244 return n;
2245 }
2246 }
2247
2248 {
c2c28dfd
BP		 2249 struct ovs_key_arp arp_key;
2250 struct ovs_key_arp arp_mask;
2251 uint16_t arp_op, arp_op_mask;
3bffc610
BP		 2252 int n = -1;
2253
c2c28dfd
BP		 2254 if (mask && ovs_scan(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2255 "tip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2256 "op=%"SCNi16"/%"SCNi16","
2257 "sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2258 "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2259 IP_SCAN_ARGS(&arp_key.arp_sip),
2260 IP_SCAN_ARGS(&arp_mask.arp_sip),
2261 IP_SCAN_ARGS(&arp_key.arp_tip),
2262 IP_SCAN_ARGS(&arp_mask.arp_tip),
2263 &arp_op, &arp_op_mask,
2264 ETH_ADDR_SCAN_ARGS(arp_key.arp_sha),
2265 ETH_ADDR_SCAN_ARGS(arp_mask.arp_sha),
2266 ETH_ADDR_SCAN_ARGS(arp_key.arp_tha),
2267 ETH_ADDR_SCAN_ARGS(arp_mask.arp_tha), &n)) {
e6cc0bab 2268 arp_key.arp_op = htons(arp_op);
e6cc0bab 2269 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab 2270 arp_mask.arp_op = htons(arp_op_mask);
e6cc0bab
AZ		 2271 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2272 &arp_mask, sizeof arp_mask);
2273 return n;
c2c28dfd
BP		 2274 } else if (ovs_scan(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT","
2275 "op=%"SCNi16",sha="ETH_ADDR_SCAN_FMT","
2276 "tha="ETH_ADDR_SCAN_FMT")%n",
2277 IP_SCAN_ARGS(&arp_key.arp_sip),
2278 IP_SCAN_ARGS(&arp_key.arp_tip),
2279 &arp_op,
2280 ETH_ADDR_SCAN_ARGS(arp_key.arp_sha),
2281 ETH_ADDR_SCAN_ARGS(arp_key.arp_tha), &n)) {
3bffc610 2282 arp_key.arp_op = htons(arp_op);
df2c07f4 2283 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab
AZ		 2284
2285 if (mask) {
2286 memset(&arp_key, 0xff, sizeof arp_key);
2287 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2288 &arp_key, sizeof arp_key);
2289 }
3bffc610
BP		 2290 return n;
2291 }
2292 }
2293
2294 {
2295 char nd_target_s[IPV6_SCAN_LEN + 1];
e6cc0bab 2296 char nd_target_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 2297 uint8_t nd_sll[ETH_ADDR_LEN];
e6cc0bab 2298 uint8_t nd_sll_mask[ETH_ADDR_LEN];
3bffc610 2299 uint8_t nd_tll[ETH_ADDR_LEN];
e6cc0bab 2300 uint8_t nd_tll_mask[ETH_ADDR_LEN];
3bffc610
BP		 2301 int n = -1;
2302
dc8c5408
AZ		 2303 nd_target_mask_s[0] = 0;
2304 memset(nd_sll_mask, 0xff, sizeof nd_sll_mask);
2305 memset(nd_tll_mask, 0xff, sizeof nd_tll_mask);
e6cc0bab 2306
c2c28dfd
BP		 2307 if (mask && ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n",
2308 nd_target_s, nd_target_mask_s, &n)) {
e6cc0bab 2309 put_nd_key(n, nd_target_s, NULL, NULL, key);
dc8c5408 2310 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
c2c28dfd
BP		 2311 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT")%n",
2312 nd_target_s, &n)) {
e6cc0bab
AZ		 2313 put_nd_key(n, nd_target_s, NULL, NULL, key);
2314 if (mask) {
dc8c5408 2315 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
e6cc0bab 2316 }
c2c28dfd
BP		 2317 } else if (mask &&
2318 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2319 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2320 nd_target_s, nd_target_mask_s,
2321 ETH_ADDR_SCAN_ARGS(nd_sll),
2322 ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n)) {
e6cc0bab 2323 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
dc8c5408 2324 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
c2c28dfd
BP		 2325 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2326 "sll="ETH_ADDR_SCAN_FMT")%n",
2327 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n)) {
e6cc0bab
AZ		 2328 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
2329 if (mask) {
dc8c5408 2330 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
e6cc0bab 2331 }
c2c28dfd
BP		 2332 } else if (mask &&
2333 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2334 ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2335 nd_target_s, nd_target_mask_s,
2336 ETH_ADDR_SCAN_ARGS(nd_tll),
2337 ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n)) {
e6cc0bab 2338 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
dc8c5408 2339 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
c2c28dfd
BP		 2340 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2341 "tll="ETH_ADDR_SCAN_FMT")%n",
2342 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n)) {
e6cc0bab
AZ		 2343 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
2344 if (mask) {
dc8c5408 2345 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
e6cc0bab 2346 }
c2c28dfd
BP		 2347 } else if (mask &&
2348 ovs_scan(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2349 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2350 "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2351 nd_target_s, nd_target_mask_s,
2352 ETH_ADDR_SCAN_ARGS(nd_sll),
2353 ETH_ADDR_SCAN_ARGS(nd_sll_mask),
2354 ETH_ADDR_SCAN_ARGS(nd_tll),
2355 ETH_ADDR_SCAN_ARGS(nd_tll_mask),
2356 &n)) {
e6cc0bab 2357 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
dc8c5408 2358 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
c2c28dfd
BP		 2359 } else if (ovs_scan(s, "nd(target="IPV6_SCAN_FMT","
2360 "sll="ETH_ADDR_SCAN_FMT","
2361 "tll="ETH_ADDR_SCAN_FMT")%n",
2362 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
2363 ETH_ADDR_SCAN_ARGS(nd_tll), &n)) {
e6cc0bab
AZ		 2364 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
2365 if (mask) {
dc8c5408
AZ		 2366 put_nd_mask(n, nd_target_mask_s,
2367 nd_sll_mask, nd_tll_mask, mask);
e6cc0bab 2368 }
3bffc610 2369 }
e6cc0bab
AZ		 2370
2371 if (n != -1)
2372 return n;
2373
3bffc610
BP		 2374 }
2375
fea393b1
BP		 2376 if (!strncmp(s, "encap(", 6)) {
2377 const char *start = s;
e6cc0bab 2378 size_t encap, encap_mask = 0;
fea393b1
BP		 2379
2380 encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP);
e6cc0bab
AZ		 2381 if (mask) {
2382 encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP);
2383 }
fea393b1
BP		 2384
2385 s += 6;
2386 for (;;) {
2387 int retval;
2388
2389 s += strspn(s, ", \t\r\n");
2390 if (!*s) {
2391 return -EINVAL;
2392 } else if (*s == ')') {
2393 break;
2394 }
2395
e6cc0bab 2396 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
fea393b1
BP		 2397 if (retval < 0) {
2398 return retval;
2399 }
2400 s += retval;
2401 }
2402 s++;
2403
2404 nl_msg_end_nested(key, encap);
e6cc0bab
AZ		 2405 if (mask) {
2406 nl_msg_end_nested(mask, encap_mask);
2407 }
fea393b1
BP		 2408
2409 return s - start;
2410 }
2411
3bffc610
BP		 2412 return -EINVAL;
2413}
2414
df2c07f4
JP		 2415/* Parses the string representation of a datapath flow key, in the
2416 * format output by odp_flow_key_format(). Returns 0 if successful,
2417 * otherwise a positive errno value. On success, the flow key is
2418 * appended to 'key' as a series of Netlink attributes. On failure, no
2419 * data is appended to 'key'. Either way, 'key''s data might be
2420 * reallocated.
3bffc610 2421 *
44bac24b
BP		 2422 * If 'port_names' is nonnull, it points to an simap that maps from a port name
2423 * to a port number. (Port names may be used instead of port numbers in
2424 * in_port.)
b2a60db8 2425 *
3bffc610
BP		 2426 * On success, the attributes appended to 'key' are individually syntactically
2427 * valid, but they may not be valid as a sequence. 'key' might, for example,
34118cae 2428 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
3bffc610 2429int
e6cc0bab
AZ		 2430odp_flow_from_string(const char *s, const struct simap *port_names,
2431 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610 2432{
1f317cb5 2433 const size_t old_size = ofpbuf_size(key);
3bffc610
BP		 2434 for (;;) {
2435 int retval;
2436
7202cbe5 2437 s += strspn(s, delimiters);
3bffc610
BP		 2438 if (!*s) {
2439 return 0;
2440 }
2441
e6cc0bab 2442 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
3bffc610 2443 if (retval < 0) {
1f317cb5 2444 ofpbuf_set_size(key, old_size);
3bffc610
BP		 2445 return -retval;
2446 }
2447 s += retval;
2448 }
2449
2450 return 0;
2451}
2452
7257b535 2453static uint8_t
c4f2731d 2454ovs_to_odp_frag(uint8_t nw_frag)
7257b535 2455{
c4f2731d
PS		 2456 return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE
2457 : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
2458 : OVS_FRAG_TYPE_LATER);
7257b535
BP		 2459}
2460
431495b1
AZ		 2461static uint8_t
2462ovs_to_odp_frag_mask(uint8_t nw_frag_mask)
2463{
2464 uint8_t frag_mask = ~(OVS_FRAG_TYPE_FIRST | OVS_FRAG_TYPE_LATER);
2465
2466 frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_FIRST : 0;
2467 frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_LATER) ? OVS_FRAG_TYPE_LATER : 0;
2468
2469 return frag_mask;
2470}
2471
661cbcd5
JP		 2472static void
2473odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *data,
8bfd0fda
BP		 2474 const struct flow *flow, odp_port_t odp_in_port,
2475 size_t max_mpls_depth)
14608a15 2476{
661cbcd5 2477 bool is_mask;
df2c07f4 2478 struct ovs_key_ethernet *eth_key;
fea393b1 2479 size_t encap;
36956a7d 2480
661cbcd5
JP		 2481 /* We assume that if 'data' and 'flow' are not the same, we should
2482 * treat 'data' as a mask. */
2483 is_mask = (data != flow);
2484
54bb0348 2485 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
abff858b 2486
01fcdfc6 2487 if (flow->tunnel.ip_dst || is_mask) {
661cbcd5 2488 tun_key_to_attr(buf, &data->tunnel);
36956a7d
BP		 2489 }
2490
1362e248 2491 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark);
72e8bf28 2492
572f732a
AZ		 2493 if (flow->recirc_id) {
2494 nl_msg_put_u32(buf, OVS_KEY_ATTR_RECIRC_ID, data->recirc_id);
2495 }
2496
2497 if (flow->dp_hash) {
2498 nl_msg_put_u32(buf, OVS_KEY_ATTR_DP_HASH, data->dp_hash);
2499 }
2500
661cbcd5
JP		 2501 /* Add an ingress port attribute if this is a mask or 'odp_in_port'
2502 * is not the magical value "ODPP_NONE". */
2503 if (is_mask || odp_in_port != ODPP_NONE) {
4e022ec0 2504 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
18886b60 2505 }
36956a7d 2506
df2c07f4 2507 eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
36956a7d 2508 sizeof *eth_key);
661cbcd5
JP		 2509 memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN);
2510 memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN);
36956a7d 2511
8ddc056d 2512 if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
bed7d6a1 2513 if (is_mask) {
b8266395 2514 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
bed7d6a1
JP		 2515 } else {
2516 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
2517 }
661cbcd5 2518 nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci);
fea393b1 2519 encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
8ddc056d
BP		 2520 if (flow->vlan_tci == htons(0)) {
2521 goto unencap;
2522 }
fea393b1
BP		 2523 } else {
2524 encap = 0;
36956a7d
BP		 2525 }
2526
2527 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
661cbcd5
JP		 2528 /* For backwards compatibility with kernels that don't support
2529 * wildcarding, the following convention is used to encode the
2530 * OVS_KEY_ATTR_ETHERTYPE for key and mask:
2531 *
2532 * key mask matches
2533 * -------- -------- -------
2534 * >0x5ff 0xffff Specified Ethernet II Ethertype.
2535 * >0x5ff 0 Any Ethernet II or non-Ethernet II frame.
2536 * <none> 0xffff Any non-Ethernet II frame (except valid
2537 * 802.3 SNAP packet with valid eth_type).
2538 */
2539 if (is_mask) {
b8266395 2540 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
661cbcd5 2541 }
fea393b1 2542 goto unencap;
36956a7d
BP		 2543 }
2544
661cbcd5 2545 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type);
36956a7d
BP		 2546
2547 if (flow->dl_type == htons(ETH_TYPE_IP)) {
df2c07f4 2548 struct ovs_key_ipv4 *ipv4_key;
36956a7d 2549
df2c07f4 2550 ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
36956a7d 2551 sizeof *ipv4_key);
661cbcd5
JP		 2552 ipv4_key->ipv4_src = data->nw_src;
2553 ipv4_key->ipv4_dst = data->nw_dst;
2554 ipv4_key->ipv4_proto = data->nw_proto;
2555 ipv4_key->ipv4_tos = data->nw_tos;
2556 ipv4_key->ipv4_ttl = data->nw_ttl;
431495b1
AZ		 2557 ipv4_key->ipv4_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag)
2558 : ovs_to_odp_frag(data->nw_frag);
d31f1109 2559 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
df2c07f4 2560 struct ovs_key_ipv6 *ipv6_key;
d31f1109 2561
df2c07f4 2562 ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
d31f1109 2563 sizeof *ipv6_key);
661cbcd5
JP		 2564 memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src);
2565 memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst);
2566 ipv6_key->ipv6_label = data->ipv6_label;
2567 ipv6_key->ipv6_proto = data->nw_proto;
2568 ipv6_key->ipv6_tclass = data->nw_tos;
2569 ipv6_key->ipv6_hlimit = data->nw_ttl;
431495b1
AZ		 2570 ipv6_key->ipv6_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag)
2571 : ovs_to_odp_frag(data->nw_frag);
8087f5ff
MM		 2572 } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
2573 flow->dl_type == htons(ETH_TYPE_RARP)) {
df2c07f4 2574 struct ovs_key_arp *arp_key;
d31f1109 2575
9ddf12cc
BP		 2576 arp_key = nl_msg_put_unspec_zero(buf, OVS_KEY_ATTR_ARP,
2577 sizeof *arp_key);
661cbcd5
JP		 2578 arp_key->arp_sip = data->nw_src;
2579 arp_key->arp_tip = data->nw_dst;
2580 arp_key->arp_op = htons(data->nw_proto);
2581 memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN);
2582 memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN);
b0a17866 2583 } else if (eth_type_mpls(flow->dl_type)) {
b02475c5 2584 struct ovs_key_mpls *mpls_key;
8bfd0fda 2585 int i, n;
b02475c5 2586
8bfd0fda
BP		 2587 n = flow_count_mpls_labels(flow, NULL);
2588 n = MIN(n, max_mpls_depth);
b02475c5 2589 mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS,
8bfd0fda
BP		 2590 n * sizeof *mpls_key);
2591 for (i = 0; i < n; i++) {
2592 mpls_key[i].mpls_lse = data->mpls_lse[i];
2593 }
b02475c5
SH		 2594 }
2595
48cecbdc 2596 if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
6767a2cc 2597 if (flow->nw_proto == IPPROTO_TCP) {
df2c07f4 2598 struct ovs_key_tcp *tcp_key;
36956a7d 2599
df2c07f4 2600 tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
36956a7d 2601 sizeof *tcp_key);
661cbcd5
JP		 2602 tcp_key->tcp_src = data->tp_src;
2603 tcp_key->tcp_dst = data->tp_dst;
dc235f7f
JR		 2604
2605 if (data->tcp_flags) {
2606 nl_msg_put_be16(buf, OVS_KEY_ATTR_TCP_FLAGS, data->tcp_flags);
2607 }
6767a2cc 2608 } else if (flow->nw_proto == IPPROTO_UDP) {
df2c07f4 2609 struct ovs_key_udp *udp_key;
36956a7d 2610
df2c07f4 2611 udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
36956a7d 2612 sizeof *udp_key);
661cbcd5
JP		 2613 udp_key->udp_src = data->tp_src;
2614 udp_key->udp_dst = data->tp_dst;
c6bcb685
JS		 2615 } else if (flow->nw_proto == IPPROTO_SCTP) {
2616 struct ovs_key_sctp *sctp_key;
2617
2618 sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP,
2619 sizeof *sctp_key);
2620 sctp_key->sctp_src = data->tp_src;
2621 sctp_key->sctp_dst = data->tp_dst;
d31f1109
JP		 2622 } else if (flow->dl_type == htons(ETH_TYPE_IP)
2623 && flow->nw_proto == IPPROTO_ICMP) {
df2c07f4 2624 struct ovs_key_icmp *icmp_key;
36956a7d 2625
df2c07f4 2626 icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
36956a7d 2627 sizeof *icmp_key);
661cbcd5
JP		 2628 icmp_key->icmp_type = ntohs(data->tp_src);
2629 icmp_key->icmp_code = ntohs(data->tp_dst);
d31f1109
JP		 2630 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
2631 && flow->nw_proto == IPPROTO_ICMPV6) {
df2c07f4 2632 struct ovs_key_icmpv6 *icmpv6_key;
d31f1109 2633
df2c07f4 2634 icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
d31f1109 2635 sizeof *icmpv6_key);
661cbcd5
JP		 2636 icmpv6_key->icmpv6_type = ntohs(data->tp_src);
2637 icmpv6_key->icmpv6_code = ntohs(data->tp_dst);
685a51a5 2638
6f8dbd27
GY		 2639 if (flow->tp_dst == htons(0) &&
2640 (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
2641 flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) &&
2642 (!is_mask || (data->tp_src == htons(0xffff) &&
2643 data->tp_dst == htons(0xffff)))) {
2644
df2c07f4 2645 struct ovs_key_nd *nd_key;
685a51a5 2646
df2c07f4 2647 nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
685a51a5 2648 sizeof *nd_key);
661cbcd5 2649 memcpy(nd_key->nd_target, &data->nd_target,
685a51a5 2650 sizeof nd_key->nd_target);
661cbcd5
JP		 2651 memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN);
2652 memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN);
685a51a5 2653 }
36956a7d 2654 }
36956a7d 2655 }
fea393b1
BP		 2656
2657unencap:
2658 if (encap) {
2659 nl_msg_end_nested(buf, encap);
2660 }
36956a7d 2661}
661cbcd5
JP		 2662
2663/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
2664 * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
2665 * number rather than a datapath port number). Instead, if 'odp_in_port'
2666 * is anything other than ODPP_NONE, it is included in 'buf' as the input
2667 * port.
2668 *
2669 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2670 * capable of being expanded to allow for that much space. */
2671void
2672odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
2673 odp_port_t odp_in_port)
2674{
8bfd0fda 2675 odp_flow_key_from_flow__(buf, flow, flow, odp_in_port, SIZE_MAX);
661cbcd5
JP		 2676}
2677
2678/* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to
2679 * 'buf'. 'flow' is used as a template to determine how to interpret
2680 * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but
2681 * it doesn't indicate whether the other fields should be interpreted as
2682 * ARP, IPv4, IPv6, etc.
2683 *
2684 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2685 * capable of being expanded to allow for that much space. */
2686void
2687odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask,
8bfd0fda
BP		 2688 const struct flow *flow, uint32_t odp_in_port_mask,
2689 size_t max_mpls_depth)
661cbcd5 2690{
8bfd0fda
BP		 2691 odp_flow_key_from_flow__(buf, mask, flow, u32_to_odp(odp_in_port_mask),
2692 max_mpls_depth);
661cbcd5 2693}
36956a7d 2694
758c456d
JR		 2695/* Generate ODP flow key from the given packet metadata */
2696void
2697odp_key_from_pkt_metadata(struct ofpbuf *buf, const struct pkt_metadata *md)
2698{
2699 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, md->skb_priority);
2700
2701 if (md->tunnel.ip_dst) {
2702 tun_key_to_attr(buf, &md->tunnel);
2703 }
2704
2705 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, md->pkt_mark);
2706
2707 /* Add an ingress port attribute if 'odp_in_port' is not the magical
2708 * value "ODPP_NONE". */
b5e7e61a
AZ		 2709 if (md->in_port.odp_port != ODPP_NONE) {
2710 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, md->in_port.odp_port);
758c456d
JR		 2711 }
2712}
2713
2714/* Generate packet metadata from the given ODP flow key. */
2715void
2716odp_key_to_pkt_metadata(const struct nlattr *key, size_t key_len,
2717 struct pkt_metadata *md)
2718{
2719 const struct nlattr *nla;
2720 size_t left;
2721 uint32_t wanted_attrs = 1u << OVS_KEY_ATTR_PRIORITY |
2722 1u << OVS_KEY_ATTR_SKB_MARK | 1u << OVS_KEY_ATTR_TUNNEL |
2723 1u << OVS_KEY_ATTR_IN_PORT;
2724
b5e7e61a 2725 *md = PKT_METADATA_INITIALIZER(ODPP_NONE);
758c456d
JR		 2726
2727 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
2728 uint16_t type = nl_attr_type(nla);
2729 size_t len = nl_attr_get_size(nla);
2730 int expected_len = odp_flow_key_attr_len(type);
2731
2732 if (len != expected_len && expected_len >= 0) {
2733 continue;
2734 }
2735
572f732a
AZ		 2736 switch (type) {
2737 case OVS_KEY_ATTR_RECIRC_ID:
2738 md->recirc_id = nl_attr_get_u32(nla);
2739 wanted_attrs &= ~(1u << OVS_KEY_ATTR_RECIRC_ID);
2740 break;
2741 case OVS_KEY_ATTR_DP_HASH:
2742 md->dp_hash = nl_attr_get_u32(nla);
2743 wanted_attrs &= ~(1u << OVS_KEY_ATTR_DP_HASH);
2744 break;
2745 case OVS_KEY_ATTR_PRIORITY:
758c456d
JR		 2746 md->skb_priority = nl_attr_get_u32(nla);
2747 wanted_attrs &= ~(1u << OVS_KEY_ATTR_PRIORITY);
572f732a
AZ		 2748 break;
2749 case OVS_KEY_ATTR_SKB_MARK:
758c456d
JR		 2750 md->pkt_mark = nl_attr_get_u32(nla);
2751 wanted_attrs &= ~(1u << OVS_KEY_ATTR_SKB_MARK);
572f732a
AZ		 2752 break;
2753 case OVS_KEY_ATTR_TUNNEL: {
758c456d
JR		 2754 enum odp_key_fitness res;
2755
2756 res = odp_tun_key_from_attr(nla, &md->tunnel);
2757 if (res == ODP_FIT_ERROR) {
2758 memset(&md->tunnel, 0, sizeof md->tunnel);
2759 } else if (res == ODP_FIT_PERFECT) {
2760 wanted_attrs &= ~(1u << OVS_KEY_ATTR_TUNNEL);
2761 }
572f732a
AZ		 2762 break;
2763 }
2764 case OVS_KEY_ATTR_IN_PORT:
b5e7e61a 2765 md->in_port.odp_port = nl_attr_get_odp_port(nla);
758c456d 2766 wanted_attrs &= ~(1u << OVS_KEY_ATTR_IN_PORT);
572f732a
AZ		 2767 break;
2768 default:
2769 break;
758c456d
JR		 2770 }
2771
2772 if (!wanted_attrs) {
2773 return; /* Have everything. */
2774 }
2775 }
2776}
2777
b0f7b9b5
BP		 2778uint32_t
2779odp_flow_key_hash(const struct nlattr *key, size_t key_len)
2780{
2781 BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
db5a1019
AW		 2782 return hash_words(ALIGNED_CAST(const uint32_t *, key),
2783 key_len / sizeof(uint32_t), 0);
b0f7b9b5
BP		 2784}
2785
34118cae
BP		 2786static void
2787log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title,
b0f7b9b5 2788 uint64_t attrs, int out_of_range_attr,
34118cae
BP		 2789 const struct nlattr *key, size_t key_len)
2790{
2791 struct ds s;
2792 int i;
2793
b0f7b9b5 2794 if (VLOG_DROP_DBG(rl)) {
34118cae
BP		 2795 return;
2796 }
2797
2798 ds_init(&s);
b0f7b9b5
BP		 2799 for (i = 0; i < 64; i++) {
2800 if (attrs & (UINT64_C(1) << i)) {
e6603631
BP		 2801 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2802
2803 ds_put_format(&s, " %s",
2804 ovs_key_attr_to_string(i, namebuf, sizeof namebuf));
34118cae
BP		 2805 }
2806 }
b0f7b9b5
BP		 2807 if (out_of_range_attr) {
2808 ds_put_format(&s, " %d (and possibly others)", out_of_range_attr);
2809 }
34118cae
BP		 2810
2811 ds_put_cstr(&s, ": ");
2812 odp_flow_key_format(key, key_len, &s);
2813
b0f7b9b5 2814 VLOG_DBG("%s:%s", title, ds_cstr(&s));
34118cae
BP		 2815 ds_destroy(&s);
2816}
2817
7257b535 2818static bool
9e44d715 2819odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow)
7257b535 2820{
34118cae
BP		 2821 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2822
9e44d715 2823 if (odp_frag > OVS_FRAG_TYPE_LATER) {
b0f7b9b5 2824 VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag);
7257b535
BP		 2825 return false;
2826 }
2827
7257b535 2828 if (odp_frag != OVS_FRAG_TYPE_NONE) {
eadef313 2829 flow->nw_frag |= FLOW_NW_FRAG_ANY;
7257b535 2830 if (odp_frag == OVS_FRAG_TYPE_LATER) {
eadef313 2831 flow->nw_frag |= FLOW_NW_FRAG_LATER;
7257b535
BP		 2832 }
2833 }
2834 return true;
2835}
2836
b0f7b9b5 2837static bool
fea393b1 2838parse_flow_nlattrs(const struct nlattr *key, size_t key_len,
b0f7b9b5
BP		 2839 const struct nlattr *attrs[], uint64_t *present_attrsp,
2840 int *out_of_range_attrp)
36956a7d 2841{
b0f7b9b5 2842 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
36956a7d 2843 const struct nlattr *nla;
34118cae 2844 uint64_t present_attrs;
36956a7d
BP		 2845 size_t left;
2846
2aef1214 2847 BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs);
34118cae 2848 present_attrs = 0;
b0f7b9b5 2849 *out_of_range_attrp = 0;
36956a7d 2850 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
34118cae
BP		 2851 uint16_t type = nl_attr_type(nla);
2852 size_t len = nl_attr_get_size(nla);
2853 int expected_len = odp_flow_key_attr_len(type);
2854
b0f7b9b5 2855 if (len != expected_len && expected_len >= 0) {
e6603631
BP		 2856 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2857
34582733 2858 VLOG_ERR_RL(&rl, "attribute %s has length %"PRIuSIZE" but should have "
e6603631
BP		 2859 "length %d", ovs_key_attr_to_string(type, namebuf,
2860 sizeof namebuf),
b0f7b9b5
BP		 2861 len, expected_len);
2862 return false;
34118cae
BP		 2863 }
2864
2aef1214 2865 if (type > OVS_KEY_ATTR_MAX) {
b0f7b9b5
BP		 2866 *out_of_range_attrp = type;
2867 } else {
2868 if (present_attrs & (UINT64_C(1) << type)) {
e6603631
BP		 2869 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2870
b0f7b9b5 2871 VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key",
e6603631
BP		 2872 ovs_key_attr_to_string(type,
2873 namebuf, sizeof namebuf));
b0f7b9b5
BP		 2874 return false;
2875 }
2876
2877 present_attrs |= UINT64_C(1) << type;
2878 attrs[type] = nla;
2879 }
34118cae
BP		 2880 }
2881 if (left) {
2882 VLOG_ERR_RL(&rl, "trailing garbage in flow key");
b0f7b9b5 2883 return false;
34118cae
BP		 2884 }
2885
fea393b1 2886 *present_attrsp = present_attrs;
b0f7b9b5 2887 return true;
fea393b1
BP		 2888}
2889
b0f7b9b5
BP		 2890static enum odp_key_fitness
2891check_expectations(uint64_t present_attrs, int out_of_range_attr,
2892 uint64_t expected_attrs,
fea393b1
BP		 2893 const struct nlattr *key, size_t key_len)
2894{
2895 uint64_t missing_attrs;
2896 uint64_t extra_attrs;
2897
2898 missing_attrs = expected_attrs & ~present_attrs;
2899 if (missing_attrs) {
b0f7b9b5
BP		 2900 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2901 log_odp_key_attributes(&rl, "expected but not present",
2902 missing_attrs, 0, key, key_len);
2903 return ODP_FIT_TOO_LITTLE;
fea393b1
BP		 2904 }
2905
2906 extra_attrs = present_attrs & ~expected_attrs;
b0f7b9b5
BP		 2907 if (extra_attrs || out_of_range_attr) {
2908 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2909 log_odp_key_attributes(&rl, "present but not expected",
2910 extra_attrs, out_of_range_attr, key, key_len);
2911 return ODP_FIT_TOO_MUCH;
fea393b1
BP		 2912 }
2913
b0f7b9b5 2914 return ODP_FIT_PERFECT;
fea393b1
BP		 2915}
2916
b0f7b9b5
BP		 2917static bool
2918parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2919 uint64_t present_attrs, uint64_t *expected_attrs,
4a221615 2920 struct flow *flow, const struct flow *src_flow)
fea393b1
BP		 2921{
2922 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615 2923 bool is_mask = flow != src_flow;
36956a7d 2924
fea393b1 2925 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
34118cae 2926 flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
4a221615 2927 if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) {
34118cae
BP		 2928 VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
2929 ntohs(flow->dl_type));
b0f7b9b5 2930 return false;
34118cae 2931 }
4a221615
GY		 2932 if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN &&
2933 flow->dl_type != htons(0xffff)) {
2934 return false;
2935 }
b0f7b9b5 2936 *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
34118cae 2937 } else {
4a221615
GY		 2938 if (!is_mask) {
2939 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
2940 } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) {
2941 /* See comments in odp_flow_key_from_flow__(). */
2942 VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame");
2943 return false;
2944 }
34118cae 2945 }
b0f7b9b5
BP		 2946 return true;
2947}
2948
2949static enum odp_key_fitness
b02475c5
SH		 2950parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2951 uint64_t present_attrs, int out_of_range_attr,
2952 uint64_t expected_attrs, struct flow *flow,
4a221615 2953 const struct nlattr *key, size_t key_len,
91a77332 2954 const struct flow *src_flow)
b0f7b9b5
BP		 2955{
2956 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615
GY		 2957 bool is_mask = src_flow != flow;
2958 const void *check_start = NULL;
2959 size_t check_len = 0;
2960 enum ovs_key_attr expected_bit = 0xff;
2961
2962 if (eth_type_mpls(src_flow->dl_type)) {
8bfd0fda
BP		 2963 size_t size = nl_attr_get_size(attrs[OVS_KEY_ATTR_MPLS]);
2964 const ovs_be32 *mpls_lse = nl_attr_get(attrs[OVS_KEY_ATTR_MPLS]);
2965 int n = size / sizeof(ovs_be32);
2966 int i;
2967
2968 if (!size || size % sizeof(ovs_be32)) {
2969 return ODP_FIT_ERROR;
2970 }
2971
91a77332
GS		 2972 if (!is_mask) {
2973 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
4a221615 2974
91a77332
GS		 2975 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
2976 return ODP_FIT_TOO_LITTLE;
2977 }
4a221615 2978 } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) {
8bfd0fda 2979 if (flow->mpls_lse[0] && flow->dl_type != htons(0xffff)) {
4a221615
GY		 2980 return ODP_FIT_ERROR;
2981 }
2982 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
4a221615 2983 }
8bfd0fda
BP		 2984
2985 for (i = 0; i < n && i < FLOW_MAX_MPLS_LABELS; i++) {
2986 flow->mpls_lse[i] = mpls_lse[i];
2987 }
2988 if (n > FLOW_MAX_MPLS_LABELS) {
2989 return ODP_FIT_TOO_MUCH;
2990 }
2991
2992 if (!is_mask) {
2993 /* BOS may be set only in the innermost label. */
2994 for (i = 0; i < n - 1; i++) {
2995 if (flow->mpls_lse[i] & htonl(MPLS_BOS_MASK)) {
2996 return ODP_FIT_ERROR;
2997 }
2998 }
2999
3000 /* BOS must be set in the innermost label. */
3001 if (n < FLOW_MAX_MPLS_LABELS
3002 && !(flow->mpls_lse[n - 1] & htonl(MPLS_BOS_MASK))) {
3003 return ODP_FIT_TOO_LITTLE;
3004 }
3005 }
3006
4a221615
GY		 3007 goto done;
3008 } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) {
3009 if (!is_mask) {
3010 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
b02475c5 3011 }
fea393b1 3012 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
34118cae 3013 const struct ovs_key_ipv4 *ipv4_key;
36956a7d 3014
34118cae 3015 ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]);
36956a7d
BP		 3016 flow->nw_src = ipv4_key->ipv4_src;
3017 flow->nw_dst = ipv4_key->ipv4_dst;
3018 flow->nw_proto = ipv4_key->ipv4_proto;
eadef313 3019 flow->nw_tos = ipv4_key->ipv4_tos;
a61680c6 3020 flow->nw_ttl = ipv4_key->ipv4_ttl;
4a221615 3021 if (is_mask) {
91a77332 3022 flow->nw_frag = ipv4_key->ipv4_frag;
4a221615
GY		 3023 check_start = ipv4_key;
3024 check_len = sizeof *ipv4_key;
3025 expected_bit = OVS_KEY_ATTR_IPV4;
3026 } else if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
b0f7b9b5 3027 return ODP_FIT_ERROR;
36956a7d 3028 }
34118cae 3029 }
4a221615
GY		 3030 } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) {
3031 if (!is_mask) {
3032 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
3033 }
fea393b1 3034 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
34118cae 3035 const struct ovs_key_ipv6 *ipv6_key;
36956a7d 3036
34118cae 3037 ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]);
d31f1109
JP		 3038 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
3039 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
fa8223b7 3040 flow->ipv6_label = ipv6_key->ipv6_label;
d31f1109 3041 flow->nw_proto = ipv6_key->ipv6_proto;
eadef313 3042 flow->nw_tos = ipv6_key->ipv6_tclass;
a61680c6 3043 flow->nw_ttl = ipv6_key->ipv6_hlimit;
4a221615 3044 if (is_mask) {
91a77332 3045 flow->nw_frag = ipv6_key->ipv6_frag;
4a221615
GY		 3046 check_start = ipv6_key;
3047 check_len = sizeof *ipv6_key;
3048 expected_bit = OVS_KEY_ATTR_IPV6;
3049 } else if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
b0f7b9b5 3050 return ODP_FIT_ERROR;
d31f1109 3051 }
34118cae 3052 }
4a221615
GY		 3053 } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) ||
3054 src_flow->dl_type == htons(ETH_TYPE_RARP)) {
3055 if (!is_mask) {
3056 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
3057 }
fea393b1 3058 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
34118cae 3059 const struct ovs_key_arp *arp_key;
d31f1109 3060
34118cae 3061 arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
36956a7d
BP		 3062 flow->nw_src = arp_key->arp_sip;
3063 flow->nw_dst = arp_key->arp_tip;
4a221615 3064 if (!is_mask && (arp_key->arp_op & htons(0xff00))) {
34118cae
BP		 3065 VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
3066 "key", ntohs(arp_key->arp_op));
b0f7b9b5 3067 return ODP_FIT_ERROR;
36956a7d
BP		 3068 }
3069 flow->nw_proto = ntohs(arp_key->arp_op);
bad68a99
JP		 3070 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
3071 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
4a221615
GY		 3072
3073 if (is_mask) {
3074 check_start = arp_key;
3075 check_len = sizeof *arp_key;
3076 expected_bit = OVS_KEY_ATTR_ARP;
3077 }
3078 }
3079 } else {
3080 goto done;
3081 }
df4eeb20 3082 if (check_len > 0) { /* Happens only when 'is_mask'. */
4a221615
GY		 3083 if (!is_all_zeros(check_start, check_len) &&
3084 flow->dl_type != htons(0xffff)) {
3085 return ODP_FIT_ERROR;
3086 } else {
3087 expected_attrs |= UINT64_C(1) << expected_bit;
36956a7d 3088 }
36956a7d 3089 }
36956a7d 3090
4a221615
GY		 3091 expected_bit = OVS_KEY_ATTR_UNSPEC;
3092 if (src_flow->nw_proto == IPPROTO_TCP
3093 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
3094 src_flow->dl_type == htons(ETH_TYPE_IPV6))
3095 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3096 if (!is_mask) {
3097 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
3098 }
fea393b1 3099 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
34118cae 3100 const struct ovs_key_tcp *tcp_key;
36956a7d 3101
34118cae
BP		 3102 tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
3103 flow->tp_src = tcp_key->tcp_src;
3104 flow->tp_dst = tcp_key->tcp_dst;
4a221615
GY		 3105 expected_bit = OVS_KEY_ATTR_TCP;
3106 }
dc235f7f
JR		 3107 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS)) {
3108 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP_FLAGS;
3109 flow->tcp_flags = nl_attr_get_be16(attrs[OVS_KEY_ATTR_TCP_FLAGS]);
3110 }
4a221615
GY		 3111 } else if (src_flow->nw_proto == IPPROTO_UDP
3112 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
3113 src_flow->dl_type == htons(ETH_TYPE_IPV6))
3114 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3115 if (!is_mask) {
3116 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
7257b535 3117 }
fea393b1 3118 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
34118cae
BP		 3119 const struct ovs_key_udp *udp_key;
3120
3121 udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
3122 flow->tp_src = udp_key->udp_src;
3123 flow->tp_dst = udp_key->udp_dst;
4a221615
GY		 3124 expected_bit = OVS_KEY_ATTR_UDP;
3125 }
12848ebf
GS		 3126 } else if (src_flow->nw_proto == IPPROTO_SCTP
3127 && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
3128 src_flow->dl_type == htons(ETH_TYPE_IPV6))
3129 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
c6bcb685
JS		 3130 if (!is_mask) {
3131 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP;
3132 }
3133 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) {
3134 const struct ovs_key_sctp *sctp_key;
3135
3136 sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]);
3137 flow->tp_src = sctp_key->sctp_src;
3138 flow->tp_dst = sctp_key->sctp_dst;
3139 expected_bit = OVS_KEY_ATTR_SCTP;
3140 }
4a221615
GY		 3141 } else if (src_flow->nw_proto == IPPROTO_ICMP
3142 && src_flow->dl_type == htons(ETH_TYPE_IP)
3143 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3144 if (!is_mask) {
3145 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
d31f1109 3146 }
fea393b1 3147 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
34118cae
BP		 3148 const struct ovs_key_icmp *icmp_key;
3149
3150 icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
3151 flow->tp_src = htons(icmp_key->icmp_type);
3152 flow->tp_dst = htons(icmp_key->icmp_code);
4a221615
GY		 3153 expected_bit = OVS_KEY_ATTR_ICMP;
3154 }
3155 } else if (src_flow->nw_proto == IPPROTO_ICMPV6
3156 && src_flow->dl_type == htons(ETH_TYPE_IPV6)
3157 && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
3158 if (!is_mask) {
3159 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
685a51a5 3160 }
fea393b1 3161 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
34118cae
BP		 3162 const struct ovs_key_icmpv6 *icmpv6_key;
3163
3164 icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
3165 flow->tp_src = htons(icmpv6_key->icmpv6_type);
3166 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
4a221615 3167 expected_bit = OVS_KEY_ATTR_ICMPV6;
6f8dbd27
GY		 3168 if (src_flow->tp_dst == htons(0) &&
3169 (src_flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
3170 src_flow->tp_src == htons(ND_NEIGHBOR_ADVERT))) {
4a221615
GY		 3171 if (!is_mask) {
3172 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
3173 }
fea393b1 3174 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
34118cae
BP		 3175 const struct ovs_key_nd *nd_key;
3176
3177 nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]);
3178 memcpy(&flow->nd_target, nd_key->nd_target,
3179 sizeof flow->nd_target);
3180 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
3181 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
4a221615
GY		 3182 if (is_mask) {
3183 if (!is_all_zeros((const uint8_t *) nd_key,
3184 sizeof *nd_key) &&
6f8dbd27
GY		 3185 (flow->tp_src != htons(0xffff) ||
3186 flow->tp_dst != htons(0xffff))) {
4a221615
GY		 3187 return ODP_FIT_ERROR;
3188 } else {
3189 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
3190 }
3191 }
34118cae
BP		 3192 }
3193 }
7257b535 3194 }
34118cae 3195 }
4a221615
GY		 3196 if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) {
3197 if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) {
3198 return ODP_FIT_ERROR;
3199 } else {
3200 expected_attrs |= UINT64_C(1) << expected_bit;
3201 }
3202 }
7257b535 3203
4a221615 3204done:
b0f7b9b5
BP		 3205 return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
3206 key, key_len);
3207}
3208
3209/* Parse 802.1Q header then encapsulated L3 attributes. */
3210static enum odp_key_fitness
3211parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
3212 uint64_t present_attrs, int out_of_range_attr,
3213 uint64_t expected_attrs, struct flow *flow,
4a221615
GY		 3214 const struct nlattr *key, size_t key_len,
3215 const struct flow *src_flow)
b0f7b9b5
BP		 3216{
3217 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
4a221615 3218 bool is_mask = src_flow != flow;
b0f7b9b5
BP		 3219
3220 const struct nlattr *encap
3221 = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
3222 ? attrs[OVS_KEY_ATTR_ENCAP] : NULL);
3223 enum odp_key_fitness encap_fitness;
3224 enum odp_key_fitness fitness;
b0f7b9b5 3225
ec9f40dc 3226 /* Calculate fitness of outer attributes. */
4a221615
GY		 3227 if (!is_mask) {
3228 expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
3229 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
3230 } else {
3231 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
3232 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
3233 }
3234 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) {
3235 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP);
3236 }
3237 }
b0f7b9b5
BP		 3238 fitness = check_expectations(present_attrs, out_of_range_attr,
3239 expected_attrs, key, key_len);
3240
3e634810
BP		 3241 /* Set vlan_tci.
3242 * Remove the TPID from dl_type since it's not the real Ethertype. */
3243 flow->dl_type = htons(0);
3244 flow->vlan_tci = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)
3245 ? nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN])
3246 : htons(0));
3247 if (!is_mask) {
3248 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
3249 return ODP_FIT_TOO_LITTLE;
3250 } else if (flow->vlan_tci == htons(0)) {
3251 /* Corner case for a truncated 802.1Q header. */
3252 if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
3253 return ODP_FIT_TOO_MUCH;
3254 }
3255 return fitness;
3256 } else if (!(flow->vlan_tci & htons(VLAN_CFI))) {
3257 VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
3258 "but CFI bit is not set", ntohs(flow->vlan_tci));
3259 return ODP_FIT_ERROR;
3260 }
4a221615 3261 } else {
3e634810
BP		 3262 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) {
3263 return fitness;
4a221615 3264 }
4a221615
GY		 3265 }
3266
b0f7b9b5
BP		 3267 /* Now parse the encapsulated attributes. */
3268 if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
3269 attrs, &present_attrs, &out_of_range_attr)) {
3270 return ODP_FIT_ERROR;
3271 }
3272 expected_attrs = 0;
3273
4a221615 3274 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, src_flow)) {
b0f7b9b5
BP		 3275 return ODP_FIT_ERROR;
3276 }
b02475c5 3277 encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3278 expected_attrs, flow, key, key_len,
3279 src_flow);
b0f7b9b5
BP		 3280
3281 /* The overall fitness is the worse of the outer and inner attributes. */
3282 return MAX(fitness, encap_fitness);
3283}
3284
4a221615
GY		 3285static enum odp_key_fitness
3286odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len,
3287 struct flow *flow, const struct flow *src_flow)
b0f7b9b5 3288{
b0f7b9b5
BP		 3289 const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
3290 uint64_t expected_attrs;
3291 uint64_t present_attrs;
3292 int out_of_range_attr;
4a221615 3293 bool is_mask = src_flow != flow;
b0f7b9b5
BP		 3294
3295 memset(flow, 0, sizeof *flow);
3296
3297 /* Parse attributes. */
3298 if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs,
3299 &out_of_range_attr)) {
3300 return ODP_FIT_ERROR;
3301 }
3302 expected_attrs = 0;
3303
3304 /* Metadata. */
572f732a
AZ		 3305 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID)) {
3306 flow->recirc_id = nl_attr_get_u32(attrs[OVS_KEY_ATTR_RECIRC_ID]);
3307 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_RECIRC_ID;
3308 } else if (is_mask) {
3309 /* Always exact match recirc_id when datapath does not sepcify it. */
3310 flow->recirc_id = UINT32_MAX;
3311 }
3312
3313 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_DP_HASH)) {
3314 flow->dp_hash = nl_attr_get_u32(attrs[OVS_KEY_ATTR_DP_HASH]);
3315 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_DP_HASH;
3316 }
b0f7b9b5 3317 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) {
deedf7e7 3318 flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]);
b0f7b9b5
BP		 3319 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
3320 }
3321
72e8bf28 3322 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) {
1362e248 3323 flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
72e8bf28
AA		 3324 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK;
3325 }
3326
9b405f1a
PS		 3327 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) {
3328 enum odp_key_fitness res;
05fb0928 3329
617e10e7 3330 res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel);
9b405f1a
PS		 3331 if (res == ODP_FIT_ERROR) {
3332 return ODP_FIT_ERROR;
3333 } else if (res == ODP_FIT_PERFECT) {
3334 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL;
05fb0928
JR		 3335 }
3336 }
3337
b0f7b9b5 3338 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
4e022ec0
AW		 3339 flow->in_port.odp_port
3340 = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]);
b0f7b9b5 3341 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
4a221615 3342 } else if (!is_mask) {
4e022ec0 3343 flow->in_port.odp_port = ODPP_NONE;
b0f7b9b5
BP		 3344 }
3345
3346 /* Ethernet header. */
3347 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) {
3348 const struct ovs_key_ethernet *eth_key;
3349
3350 eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
3351 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
3352 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
4a221615
GY		 3353 if (is_mask) {
3354 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
3355 }
3356 }
3357 if (!is_mask) {
3358 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
b0f7b9b5 3359 }
b0f7b9b5
BP		 3360
3361 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
4a221615
GY		 3362 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow,
3363 src_flow)) {
b0f7b9b5
BP		 3364 return ODP_FIT_ERROR;
3365 }
3366
21e70add
BP		 3367 if (is_mask
3368 ? (src_flow->vlan_tci & htons(VLAN_CFI)) != 0
3369 : src_flow->dl_type == htons(ETH_TYPE_VLAN)) {
b0f7b9b5 3370 return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3371 expected_attrs, flow, key, key_len, src_flow);
3372 }
3373 if (is_mask) {
3374 flow->vlan_tci = htons(0xffff);
3375 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
3376 flow->vlan_tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
3377 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
3378 }
b0f7b9b5 3379 }
b02475c5 3380 return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
4a221615
GY		 3381 expected_attrs, flow, key, key_len, src_flow);
3382}
3383
3384/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
3385 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
3386 * 'key' fits our expectations for what a flow key should contain.
3387 *
3388 * The 'in_port' will be the datapath's understanding of the port. The
3389 * caller will need to translate with odp_port_to_ofp_port() if the
3390 * OpenFlow port is needed.
3391 *
3392 * This function doesn't take the packet itself as an argument because none of
3393 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
3394 * it is always possible to infer which additional attribute(s) should appear
3395 * by looking at the attributes for lower-level protocols, e.g. if the network
3396 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
3397 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
3398 * must be absent. */
3399enum odp_key_fitness
3400odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
3401 struct flow *flow)
3402{
3403 return odp_flow_key_to_flow__(key, key_len, flow, flow);
3404}
3405
3406/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask
3407 * structure in 'mask'. 'flow' must be a previously translated flow
3408 * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well
3409 * 'key' fits our expectations for what a flow key should contain. */
3410enum odp_key_fitness
3411odp_flow_key_to_mask(const struct nlattr *key, size_t key_len,
3412 struct flow *mask, const struct flow *flow)
3413{
3414 return odp_flow_key_to_flow__(key, key_len, mask, flow);
14608a15 3415}
39db78a0 3416
6814e51f
BP		 3417/* Returns 'fitness' as a string, for use in debug messages. */
3418const char *
3419odp_key_fitness_to_string(enum odp_key_fitness fitness)
3420{
3421 switch (fitness) {
3422 case ODP_FIT_PERFECT:
3423 return "OK";
3424 case ODP_FIT_TOO_MUCH:
3425 return "too_much";
3426 case ODP_FIT_TOO_LITTLE:
3427 return "too_little";
3428 case ODP_FIT_ERROR:
3429 return "error";
3430 default:
3431 return "<unknown>";
3432 }
3433}
3434
39db78a0 3435/* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
e995e3df
BP		 3436 * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute
3437 * whose contents are the 'userdata_size' bytes at 'userdata' and returns the
3438 * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is
3439 * null, then the return value is not meaningful.) */
39db78a0 3440size_t
e995e3df
BP		 3441odp_put_userspace_action(uint32_t pid,
3442 const void *userdata, size_t userdata_size,
39db78a0
BP		 3443 struct ofpbuf *odp_actions)
3444{
e995e3df 3445 size_t userdata_ofs;
39db78a0
BP		 3446 size_t offset;
3447
3448 offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
3449 nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
e995e3df 3450 if (userdata) {
1f317cb5 3451 userdata_ofs = ofpbuf_size(odp_actions) + NLA_HDRLEN;
96ed775f
BP		 3452
3453 /* The OVS kernel module before OVS 1.11 and the upstream Linux kernel
3454 * module before Linux 3.10 required the userdata to be exactly 8 bytes
3455 * long:
3456 *
3457 * - The kernel rejected shorter userdata with -ERANGE.
3458 *
3459 * - The kernel silently dropped userdata beyond the first 8 bytes.
3460 *
3461 * Thus, for maximum compatibility, always put at least 8 bytes. (We
3462 * separately disable features that required more than 8 bytes.) */
3463 memcpy(nl_msg_put_unspec_zero(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
3464 MAX(8, userdata_size)),
3465 userdata, userdata_size);
e995e3df
BP		 3466 } else {
3467 userdata_ofs = 0;
39db78a0
BP		 3468 }
3469 nl_msg_end_nested(odp_actions, offset);
3470
e995e3df 3471 return userdata_ofs;
39db78a0 3472}
b9ad7294
EJ		 3473
3474void
3475odp_put_tunnel_action(const struct flow_tnl *tunnel,
3476 struct ofpbuf *odp_actions)
3477{
3478 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3479 tun_key_to_attr(odp_actions, tunnel);
3480 nl_msg_end_nested(odp_actions, offset);
3481}
5bbda0aa
EJ		 3482\f
3483/* The commit_odp_actions() function and its helpers. */
3484
3485static void
3486commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
3487 const void *key, size_t key_size)
3488{
3489 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3490 nl_msg_put_unspec(odp_actions, key_type, key, key_size);
3491 nl_msg_end_nested(odp_actions, offset);
3492}
3493
09a0d2e7 3494void
1362e248 3495odp_put_pkt_mark_action(const uint32_t pkt_mark,
09a0d2e7
AA		 3496 struct ofpbuf *odp_actions)
3497{
1362e248
JG		 3498 commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &pkt_mark,
3499 sizeof(pkt_mark));
09a0d2e7
AA		 3500}
3501
b9ad7294
EJ		 3502/* If any of the flow key data that ODP actions can modify are different in
3503 * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to
3504 * 'odp_actions' that change the flow tunneling information in key from
3505 * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the
3506 * same way. In other words, operates the same as commit_odp_actions(), but
3507 * only on tunneling information. */
3508void
3509commit_odp_tunnel_action(const struct flow *flow, struct flow *base,
5bbda0aa
EJ		 3510 struct ofpbuf *odp_actions)
3511{
05fb0928
JR		 3512 /* A valid IPV4_TUNNEL must have non-zero ip_dst. */
3513 if (flow->tunnel.ip_dst) {
fc80de30
JR		 3514 if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) {
3515 return;
3516 }
3517 memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel);
b9ad7294 3518 odp_put_tunnel_action(&base->tunnel, odp_actions);
05fb0928 3519 }
5bbda0aa
EJ		 3520}
3521
3522static void
3523commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3524 struct ofpbuf *odp_actions,
3525 struct flow_wildcards *wc)
5bbda0aa
EJ		 3526{
3527 struct ovs_key_ethernet eth_key;
3528
3529 if (eth_addr_equals(base->dl_src, flow->dl_src) &&
3530 eth_addr_equals(base->dl_dst, flow->dl_dst)) {
3531 return;
3532 }
3533
1dd35f8a
JP		 3534 memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src);
3535 memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
3536
5bbda0aa
EJ		 3537 memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
3538 memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
3539
3540 memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
3541 memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
3542
3543 commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
3544 &eth_key, sizeof(eth_key));
3545}
3546
3547static void
8bfd0fda
BP		 3548pop_vlan(struct flow *base,
3549 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3550{
1dd35f8a
JP		 3551 memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
3552
5bbda0aa
EJ		 3553 if (base->vlan_tci & htons(VLAN_CFI)) {
3554 nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
8bfd0fda
BP		 3555 base->vlan_tci = 0;
3556 }
3557}
3558
3559static void
3560commit_vlan_action(ovs_be16 vlan_tci, struct flow *base,
3561 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
3562{
3563 if (base->vlan_tci == vlan_tci) {
3564 return;
5bbda0aa
EJ		 3565 }
3566
8bfd0fda 3567 pop_vlan(base, odp_actions, wc);
8fd16af2 3568 if (vlan_tci & htons(VLAN_CFI)) {
5bbda0aa
EJ		 3569 struct ovs_action_push_vlan vlan;
3570
3571 vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
8fd16af2 3572 vlan.vlan_tci = vlan_tci;
5bbda0aa
EJ		 3573 nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
3574 &vlan, sizeof vlan);
3575 }
8fd16af2 3576 base->vlan_tci = vlan_tci;
5bbda0aa
EJ		 3577}
3578
b02475c5
SH		 3579static void
3580commit_mpls_action(const struct flow *flow, struct flow *base,
8bfd0fda 3581 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
b02475c5 3582{
8bfd0fda
BP		 3583 int base_n = flow_count_mpls_labels(base, wc);
3584 int flow_n = flow_count_mpls_labels(flow, wc);
3585 int common_n = flow_count_common_mpls_labels(flow, flow_n, base, base_n,
3586 wc);
3587
3588 while (base_n > common_n) {
3589 if (base_n - 1 == common_n && flow_n > common_n) {
3590 /* If there is only one more LSE in base than there are common
3591 * between base and flow; and flow has at least one more LSE than
3592 * is common then the topmost LSE of base may be updated using
3593 * set */
3594 struct ovs_key_mpls mpls_key;
3595
3596 mpls_key.mpls_lse = flow->mpls_lse[flow_n - base_n];
3597 commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS,
3598 &mpls_key, sizeof mpls_key);
3599 flow_set_mpls_lse(base, 0, mpls_key.mpls_lse);
3600 common_n++;
3601 } else {
3602 /* Otherwise, if there more LSEs in base than are common between
3603 * base and flow then pop the topmost one. */
3604 ovs_be16 dl_type;
3605 bool popped;
3606
3607 /* If all the LSEs are to be popped and this is not the outermost
3608 * LSE then use ETH_TYPE_MPLS as the ethertype parameter of the
3609 * POP_MPLS action instead of flow->dl_type.
3610 *
3611 * This is because the POP_MPLS action requires its ethertype
3612 * argument to be an MPLS ethernet type but in this case
3613 * flow->dl_type will be a non-MPLS ethernet type.
3614 *
3615 * When the final POP_MPLS action occurs it use flow->dl_type and
3616 * the and the resulting packet will have the desired dl_type. */
3617 if ((!eth_type_mpls(flow->dl_type)) && base_n > 1) {
3618 dl_type = htons(ETH_TYPE_MPLS);
3619 } else {
3620 dl_type = flow->dl_type;
3621 }
3622 nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, dl_type);
3623 popped = flow_pop_mpls(base, base_n, flow->dl_type, wc);
3624 ovs_assert(popped);
3625 base_n--;
3626 }
b02475c5
SH		 3627 }
3628
8bfd0fda
BP		 3629 /* If, after the above popping and setting, there are more LSEs in flow
3630 * than base then some LSEs need to be pushed. */
3631 while (base_n < flow_n) {
b02475c5
SH		 3632 struct ovs_action_push_mpls *mpls;
3633
8bfd0fda
BP		 3634 mpls = nl_msg_put_unspec_zero(odp_actions,
3635 OVS_ACTION_ATTR_PUSH_MPLS,
9ddf12cc 3636 sizeof *mpls);
b02475c5 3637 mpls->mpls_ethertype = flow->dl_type;
8bfd0fda
BP		 3638 mpls->mpls_lse = flow->mpls_lse[flow_n - base_n - 1];
3639 flow_push_mpls(base, base_n, mpls->mpls_ethertype, wc);
3640 flow_set_mpls_lse(base, 0, mpls->mpls_lse);
3641 base_n++;
b0a17866 3642 }
b02475c5
SH		 3643}
3644
5bbda0aa 3645static void
c4f2731d 3646commit_set_ipv4_action(const struct flow *flow, struct flow *base,
1dd35f8a 3647 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa
EJ		 3648{
3649 struct ovs_key_ipv4 ipv4_key;
3650
5bbda0aa
EJ		 3651 if (base->nw_src == flow->nw_src &&
3652 base->nw_dst == flow->nw_dst &&
3653 base->nw_tos == flow->nw_tos &&
3654 base->nw_ttl == flow->nw_ttl &&
3655 base->nw_frag == flow->nw_frag) {
3656 return;
3657 }
3658
1dd35f8a
JP		 3659 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3660 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3661 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3662 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3663 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3664 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3665
5bbda0aa
EJ		 3666 ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
3667 ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
3668 ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
3669 ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
3670 ipv4_key.ipv4_proto = base->nw_proto;
c4f2731d 3671 ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag);
5bbda0aa
EJ		 3672
3673 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
3674 &ipv4_key, sizeof(ipv4_key));
3675}
3676
c4f2731d
PS		 3677static void
3678commit_set_ipv6_action(const struct flow *flow, struct flow *base,
1dd35f8a 3679 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d
PS		 3680{
3681 struct ovs_key_ipv6 ipv6_key;
3682
3683 if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) &&
3684 ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) &&
3685 base->ipv6_label == flow->ipv6_label &&
3686 base->nw_tos == flow->nw_tos &&
3687 base->nw_ttl == flow->nw_ttl &&
3688 base->nw_frag == flow->nw_frag) {
3689 return;
3690 }
3691
1dd35f8a
JP		 3692 memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src);
3693 memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst);
3694 memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label);
3695 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3696 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3697 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3698 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3699
c4f2731d
PS		 3700 base->ipv6_src = flow->ipv6_src;
3701 memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src));
3702 base->ipv6_dst = flow->ipv6_dst;
3703 memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst));
3704
3705 ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label;
3706 ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos;
3707 ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl;
3708 ipv6_key.ipv6_proto = base->nw_proto;
3709 ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag);
3710
3711 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6,
3712 &ipv6_key, sizeof(ipv6_key));
3713}
3714
f6c8a6b1
BP		 3715static enum slow_path_reason
3716commit_set_arp_action(const struct flow *flow, struct flow *base,
3717 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
3718{
3719 struct ovs_key_arp arp_key;
3720
3721 if (base->nw_src == flow->nw_src &&
3722 base->nw_dst == flow->nw_dst &&
3723 base->nw_proto == flow->nw_proto &&
3724 eth_addr_equals(base->arp_sha, flow->arp_sha) &&
3725 eth_addr_equals(base->arp_tha, flow->arp_tha)) {
3726 return 0;
3727 }
3728
3729 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3730 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3731 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3732 memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha);
3733 memset(&wc->masks.arp_tha, 0xff, sizeof wc->masks.arp_tha);
3734
3735 base->nw_src = flow->nw_src;
3736 base->nw_dst = flow->nw_dst;
3737 base->nw_proto = flow->nw_proto;
3738 memcpy(base->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
3739 memcpy(base->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
3740
3741 arp_key.arp_sip = base->nw_src;
3742 arp_key.arp_tip = base->nw_dst;
3743 arp_key.arp_op = htons(base->nw_proto);
3744 memcpy(arp_key.arp_sha, flow->arp_sha, ETH_ADDR_LEN);
3745 memcpy(arp_key.arp_tha, flow->arp_tha, ETH_ADDR_LEN);
3746
3747 commit_set_action(odp_actions, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
3748
3749 return SLOW_ACTION;
3750}
3751
3752static enum slow_path_reason
c4f2731d 3753commit_set_nw_action(const struct flow *flow, struct flow *base,
1dd35f8a 3754 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d 3755{
f6c8a6b1 3756 /* Check if 'flow' really has an L3 header. */
c4f2731d 3757 if (!flow->nw_proto) {
f6c8a6b1 3758 return 0;
c4f2731d
PS		 3759 }
3760
f6c8a6b1
BP		 3761 switch (ntohs(base->dl_type)) {
3762 case ETH_TYPE_IP:
1dd35f8a 3763 commit_set_ipv4_action(flow, base, odp_actions, wc);
f6c8a6b1
BP		 3764 break;
3765
3766 case ETH_TYPE_IPV6:
1dd35f8a 3767 commit_set_ipv6_action(flow, base, odp_actions, wc);
f6c8a6b1
BP		 3768 break;
3769
3770 case ETH_TYPE_ARP:
3771 return commit_set_arp_action(flow, base, odp_actions, wc);
c4f2731d 3772 }
f6c8a6b1
BP		 3773
3774 return 0;
c4f2731d
PS		 3775}
3776
5bbda0aa
EJ		 3777static void
3778commit_set_port_action(const struct flow *flow, struct flow *base,
1dd35f8a 3779 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3780{
1b035ef2 3781 if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) {
5bbda0aa
EJ		 3782 return;
3783 }
3784
3785 if (base->tp_src == flow->tp_src &&
3786 base->tp_dst == flow->tp_dst) {
3787 return;
3788 }
3789
1dd35f8a
JP		 3790 memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src);
3791 memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst);
3792
5bbda0aa
EJ		 3793 if (flow->nw_proto == IPPROTO_TCP) {
3794 struct ovs_key_tcp port_key;
3795
3796 port_key.tcp_src = base->tp_src = flow->tp_src;
3797 port_key.tcp_dst = base->tp_dst = flow->tp_dst;
3798
3799 commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
3800 &port_key, sizeof(port_key));
3801
3802 } else if (flow->nw_proto == IPPROTO_UDP) {
3803 struct ovs_key_udp port_key;
3804
3805 port_key.udp_src = base->tp_src = flow->tp_src;
3806 port_key.udp_dst = base->tp_dst = flow->tp_dst;
3807
3808 commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
3809 &port_key, sizeof(port_key));
c6bcb685
JS		 3810 } else if (flow->nw_proto == IPPROTO_SCTP) {
3811 struct ovs_key_sctp port_key;
3812
3813 port_key.sctp_src = base->tp_src = flow->tp_src;
3814 port_key.sctp_dst = base->tp_dst = flow->tp_dst;
3815
3816 commit_set_action(odp_actions, OVS_KEY_ATTR_SCTP,
3817 &port_key, sizeof(port_key));
5bbda0aa
EJ		 3818 }
3819}
3820
3821static void
3822commit_set_priority_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3823 struct ofpbuf *odp_actions,
3824 struct flow_wildcards *wc)
5bbda0aa 3825{
deedf7e7 3826 if (base->skb_priority == flow->skb_priority) {
5bbda0aa
EJ		 3827 return;
3828 }
1dd35f8a
JP		 3829
3830 memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority);
deedf7e7 3831 base->skb_priority = flow->skb_priority;
5bbda0aa
EJ		 3832
3833 commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
deedf7e7 3834 &base->skb_priority, sizeof(base->skb_priority));
5bbda0aa
EJ		 3835}
3836
72e8bf28 3837static void
1362e248 3838commit_set_pkt_mark_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3839 struct ofpbuf *odp_actions,
3840 struct flow_wildcards *wc)
72e8bf28 3841{
1362e248 3842 if (base->pkt_mark == flow->pkt_mark) {
72e8bf28
AA		 3843 return;
3844 }
1dd35f8a 3845
1362e248
JG		 3846 memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark);
3847 base->pkt_mark = flow->pkt_mark;
72e8bf28 3848
1362e248 3849 odp_put_pkt_mark_action(base->pkt_mark, odp_actions);
72e8bf28 3850}
7fd91025 3851
5bbda0aa
EJ		 3852/* If any of the flow key data that ODP actions can modify are different in
3853 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
b9ad7294
EJ		 3854 * key from 'base' into 'flow', and then changes 'base' the same way. Does not
3855 * commit set_tunnel actions. Users should call commit_odp_tunnel_action()
1dd35f8a 3856 * in addition to this function if needed. Sets fields in 'wc' that are
7fd91025
BP		 3857 * used as part of the action.
3858 *
3859 * Returns a reason to force processing the flow's packets into the userspace
3860 * slow path, if there is one, otherwise 0. */
3861enum slow_path_reason
5bbda0aa 3862commit_odp_actions(const struct flow *flow, struct flow *base,
8bfd0fda 3863 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3864{
f6c8a6b1
BP		 3865 enum slow_path_reason slow;
3866
1dd35f8a 3867 commit_set_ether_addr_action(flow, base, odp_actions, wc);
f6c8a6b1 3868 slow = commit_set_nw_action(flow, base, odp_actions, wc);
1dd35f8a 3869 commit_set_port_action(flow, base, odp_actions, wc);
8bfd0fda
BP		 3870 commit_mpls_action(flow, base, odp_actions, wc);
3871 commit_vlan_action(flow->vlan_tci, base, odp_actions, wc);
1dd35f8a 3872 commit_set_priority_action(flow, base, odp_actions, wc);
1362e248 3873 commit_set_pkt_mark_action(flow, base, odp_actions, wc);
7fd91025 3874
f6c8a6b1 3875 return slow;
5bbda0aa 3876}
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