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[ovs.git] / lib / odp-util.c
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064af421 1/*
48cecbdc 2 * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
064af421 3 *
a14bc59f
BP		 4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
064af421 7 *
a14bc59f
BP		 8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
064af421
BP		 15 */
16
17#include <config.h>
bed69b3e 18#include <arpa/inet.h>
064af421 19#include "odp-util.h"
36956a7d 20#include <errno.h>
064af421 21#include <inttypes.h>
7202cbe5 22#include <math.h>
6ca00f6f 23#include <netinet/in.h>
685a51a5 24#include <netinet/icmp6.h>
064af421
BP		 25#include <stdlib.h>
26#include <string.h>
cdee00fd 27#include "byte-order.h"
064af421
BP		 28#include "coverage.h"
29#include "dynamic-string.h"
30#include "flow.h"
cdee00fd 31#include "netlink.h"
3bffc610 32#include "ofpbuf.h"
064af421 33#include "packets.h"
44bac24b 34#include "simap.h"
064af421
BP		 35#include "timeval.h"
36#include "util.h"
34118cae
BP		 37#include "vlog.h"
38
39VLOG_DEFINE_THIS_MODULE(odp_util);
064af421 40
df2c07f4
JP		 41/* The interface between userspace and kernel uses an "OVS_*" prefix.
42 * Since this is fairly non-specific for the OVS userspace components,
43 * "ODP_*" (Open vSwitch Datapath) is used as the prefix for
44 * interactions with the datapath.
45 */
46
7202cbe5
BP		 47/* The set of characters that may separate one action or one key attribute
48 * from another. */
49static const char *delimiters = ", \t\r\n";
50
e6cc0bab
AZ		 51static int parse_odp_key_mask_attr(const char *, const struct simap *port_names,
52 struct ofpbuf *, struct ofpbuf *);
53static void format_odp_key_attr(const struct nlattr *a,
54 const struct nlattr *ma, struct ds *ds);
a052b51b 55
98403001
BP		 56/* Returns one the following for the action with the given OVS_ACTION_ATTR_*
57 * 'type':
58 *
59 * - For an action whose argument has a fixed length, returned that
60 * nonnegative length in bytes.
61 *
62 * - For an action with a variable-length argument, returns -2.
63 *
64 * - For an invalid 'type', returns -1. */
4edb9ae9 65static int
cdee00fd
BP		 66odp_action_len(uint16_t type)
67{
df2c07f4 68 if (type > OVS_ACTION_ATTR_MAX) {
cdee00fd
BP		 69 return -1;
70 }
71
09ded0ad 72 switch ((enum ovs_action_attr) type) {
fea393b1 73 case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t);
98403001 74 case OVS_ACTION_ATTR_USERSPACE: return -2;
fea393b1
BP		 75 case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan);
76 case OVS_ACTION_ATTR_POP_VLAN: return 0;
b02475c5
SH		 77 case OVS_ACTION_ATTR_PUSH_MPLS: return sizeof(struct ovs_action_push_mpls);
78 case OVS_ACTION_ATTR_POP_MPLS: return sizeof(ovs_be16);
4edb9ae9 79 case OVS_ACTION_ATTR_SET: return -2;
98403001 80 case OVS_ACTION_ATTR_SAMPLE: return -2;
df2c07f4
JP		 81
82 case OVS_ACTION_ATTR_UNSPEC:
83 case __OVS_ACTION_ATTR_MAX:
cdee00fd
BP		 84 return -1;
85 }
86
87 return -1;
88}
89
e6603631
BP		 90/* Returns a string form of 'attr'. The return value is either a statically
91 * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize'
92 * should be at least OVS_KEY_ATTR_BUFSIZE. */
93enum { OVS_KEY_ATTR_BUFSIZE = 3 + INT_STRLEN(unsigned int) + 1 };
744791b5 94static const char *
e6603631 95ovs_key_attr_to_string(enum ovs_key_attr attr, char *namebuf, size_t bufsize)
744791b5 96{
744791b5
BP		 97 switch (attr) {
98 case OVS_KEY_ATTR_UNSPEC: return "unspec";
fea393b1 99 case OVS_KEY_ATTR_ENCAP: return "encap";
1b567fb9 100 case OVS_KEY_ATTR_PRIORITY: return "skb_priority";
72e8bf28 101 case OVS_KEY_ATTR_SKB_MARK: return "skb_mark";
9b405f1a 102 case OVS_KEY_ATTR_TUNNEL: return "tunnel";
744791b5
BP		 103 case OVS_KEY_ATTR_IN_PORT: return "in_port";
104 case OVS_KEY_ATTR_ETHERNET: return "eth";
fea393b1 105 case OVS_KEY_ATTR_VLAN: return "vlan";
744791b5
BP		 106 case OVS_KEY_ATTR_ETHERTYPE: return "eth_type";
107 case OVS_KEY_ATTR_IPV4: return "ipv4";
108 case OVS_KEY_ATTR_IPV6: return "ipv6";
109 case OVS_KEY_ATTR_TCP: return "tcp";
110 case OVS_KEY_ATTR_UDP: return "udp";
111 case OVS_KEY_ATTR_ICMP: return "icmp";
112 case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
113 case OVS_KEY_ATTR_ARP: return "arp";
114 case OVS_KEY_ATTR_ND: return "nd";
b02475c5 115 case OVS_KEY_ATTR_MPLS: return "mpls";
744791b5
BP		 116
117 case __OVS_KEY_ATTR_MAX:
118 default:
e6603631
BP		 119 snprintf(namebuf, bufsize, "key%u", (unsigned int) attr);
120 return namebuf;
744791b5
BP		 121 }
122}
123
cdee00fd
BP		 124static void
125format_generic_odp_action(struct ds *ds, const struct nlattr *a)
126{
8ba43fbd
BP		 127 size_t len = nl_attr_get_size(a);
128
cdee00fd 129 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
8ba43fbd 130 if (len) {
cdee00fd
BP		 131 const uint8_t *unspec;
132 unsigned int i;
133
134 unspec = nl_attr_get(a);
8ba43fbd 135 for (i = 0; i < len; i++) {
cdee00fd
BP		 136 ds_put_char(ds, i ? ' ': '(');
137 ds_put_format(ds, "%02x", unspec[i]);
138 }
139 ds_put_char(ds, ')');
140 }
141}
142
6ff686f2
PS		 143static void
144format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
145{
146 static const struct nl_policy ovs_sample_policy[] = {
3815d6c2
LS		 147 { NL_A_NO_ATTR, 0, 0, false }, /* OVS_SAMPLE_ATTR_UNSPEC */
148 { NL_A_U32, 0, 0, false }, /* OVS_SAMPLE_ATTR_PROBABILITY */
149 { NL_A_NESTED, 0, 0, false }, /* OVS_SAMPLE_ATTR_ACTIONS */
6ff686f2
PS		 150 };
151 struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
6ff686f2
PS		 152 double percentage;
153 const struct nlattr *nla_acts;
154 int len;
155
156 ds_put_cstr(ds, "sample");
157
5621afff 158 if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) {
6ff686f2
PS		 159 ds_put_cstr(ds, "(error)");
160 return;
161 }
162
163 percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) /
164 UINT32_MAX;
165
166 ds_put_format(ds, "(sample=%.1f%%,", percentage);
167
168 ds_put_cstr(ds, "actions(");
169 nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]);
170 len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]);
171 format_odp_actions(ds, nla_acts, len);
172 ds_put_format(ds, "))");
173}
174
6a7e895f 175static const char *
98f0520f 176slow_path_reason_to_string(enum slow_path_reason reason)
6a7e895f 177{
98f0520f 178 switch (reason) {
6a7e895f
BP		 179 case SLOW_CFM:
180 return "cfm";
181 case SLOW_LACP:
182 return "lacp";
183 case SLOW_STP:
184 return "stp";
ccc09689
EJ		 185 case SLOW_BFD:
186 return "bfd";
6a7e895f
BP		 187 case SLOW_CONTROLLER:
188 return "controller";
98f0520f 189 case __SLOW_MAX:
6a7e895f
BP		 190 default:
191 return NULL;
192 }
193}
194
98f0520f
EJ		 195static enum slow_path_reason
196string_to_slow_path_reason(const char *string)
197{
198 enum slow_path_reason i;
199
200 for (i = 1; i < __SLOW_MAX; i++) {
201 if (!strcmp(string, slow_path_reason_to_string(i))) {
202 return i;
203 }
204 }
205
206 return 0;
207}
208
ec956fc7
PS		 209static int
210parse_flags(const char *s, const char *(*bit_to_string)(uint32_t),
211 uint32_t *res)
212{
213 uint32_t result = 0;
214 int n = 0;
215
216 if (s[n] != '(') {
217 return -EINVAL;
218 }
219 n++;
220
221 while (s[n] != ')') {
222 unsigned long long int flags;
223 uint32_t bit;
224 int n0;
225
226 if (sscanf(&s[n], "%lli%n", &flags, &n0) > 0 && n0 > 0) {
227 n += n0 + (s[n + n0] == ',');
228 result |= flags;
229 continue;
230 }
231
232 for (bit = 1; bit; bit <<= 1) {
233 const char *name = bit_to_string(bit);
234 size_t len;
235
236 if (!name) {
237 continue;
238 }
239
240 len = strlen(name);
241 if (!strncmp(s + n, name, len) &&
242 (s[n + len] == ',' || s[n + len] == ')')) {
243 result |= bit;
244 n += len + (s[n + len] == ',');
245 break;
246 }
247 }
248
249 if (!bit) {
250 return -EINVAL;
251 }
252 }
253 n++;
254
255 *res = result;
256 return n;
6a7e895f
BP		 257}
258
98403001
BP		 259static void
260format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
261{
262 static const struct nl_policy ovs_userspace_policy[] = {
3815d6c2
LS		 263 { NL_A_NO_ATTR, 0, 0, false }, /* OVS_USERSPACE_ATTR_UNSPEC */
264 { NL_A_U32, 0, 0, false }, /* OVS_USERSPACE_ATTR_PID */
265 { NL_A_UNSPEC, 0, 0, true }, /* OVS_USERSPACE_ATTR_USERDATA */
98403001
BP		 266 };
267 struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
e995e3df 268 const struct nlattr *userdata_attr;
98403001
BP		 269
270 if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) {
271 ds_put_cstr(ds, "userspace(error)");
272 return;
273 }
274
275 ds_put_format(ds, "userspace(pid=%"PRIu32,
276 nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID]));
277
e995e3df 278 userdata_attr = a[OVS_USERSPACE_ATTR_USERDATA];
29089a54
RL		 279
280 if (userdata_attr) {
281 const uint8_t *userdata = nl_attr_get(userdata_attr);
282 size_t userdata_len = nl_attr_get_size(userdata_attr);
283 bool userdata_unspec = true;
1673e0e4 284 union user_action_cookie cookie;
98403001 285
29089a54
RL		 286 if (userdata_len >= sizeof cookie.type
287 && userdata_len <= sizeof cookie) {
288
289 memset(&cookie, 0, sizeof cookie);
290 memcpy(&cookie, userdata, userdata_len);
291
292 userdata_unspec = false;
293
294 if (userdata_len == sizeof cookie.sflow
295 && cookie.type == USER_ACTION_COOKIE_SFLOW) {
296 ds_put_format(ds, ",sFlow("
297 "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
298 vlan_tci_to_vid(cookie.sflow.vlan_tci),
299 vlan_tci_to_pcp(cookie.sflow.vlan_tci),
300 cookie.sflow.output);
301 } else if (userdata_len == sizeof cookie.slow_path
302 && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) {
98f0520f
EJ		 303 const char *reason;
304 reason = slow_path_reason_to_string(cookie.slow_path.reason);
305 reason = reason ? reason : "";
306 ds_put_format(ds, ",slow_path(%s)", reason);
29089a54
RL		 307 } else if (userdata_len == sizeof cookie.flow_sample
308 && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) {
309 ds_put_format(ds, ",flow_sample(probability=%"PRIu16
310 ",collector_set_id=%"PRIu32
311 ",obs_domain_id=%"PRIu32
312 ",obs_point_id=%"PRIu32")",
313 cookie.flow_sample.probability,
314 cookie.flow_sample.collector_set_id,
315 cookie.flow_sample.obs_domain_id,
316 cookie.flow_sample.obs_point_id);
317 } else if (userdata_len == sizeof cookie.ipfix
318 && cookie.type == USER_ACTION_COOKIE_IPFIX) {
319 ds_put_format(ds, ",ipfix");
320 } else {
321 userdata_unspec = true;
322 }
98403001 323 }
e995e3df 324
29089a54
RL		 325 if (userdata_unspec) {
326 size_t i;
327 ds_put_format(ds, ",userdata(");
328 for (i = 0; i < userdata_len; i++) {
329 ds_put_format(ds, "%02x", userdata[i]);
330 }
331 ds_put_char(ds, ')');
e995e3df 332 }
98403001
BP		 333 }
334
335 ds_put_char(ds, ')');
336}
337
8ddc056d
BP		 338static void
339format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci)
340{
341 ds_put_format(ds, "vid=%"PRIu16",pcp=%d",
342 vlan_tci_to_vid(vlan_tci),
343 vlan_tci_to_pcp(vlan_tci));
344 if (!(vlan_tci & htons(VLAN_CFI))) {
345 ds_put_cstr(ds, ",cfi=0");
346 }
347}
348
b02475c5
SH		 349static void
350format_mpls_lse(struct ds *ds, ovs_be32 mpls_lse)
351{
352 ds_put_format(ds, "label=%"PRIu32",tc=%d,ttl=%d,bos=%d",
353 mpls_lse_to_label(mpls_lse),
354 mpls_lse_to_tc(mpls_lse),
355 mpls_lse_to_ttl(mpls_lse),
356 mpls_lse_to_bos(mpls_lse));
357}
358
e6cc0bab
AZ		 359static void
360format_mpls(struct ds *ds, const struct ovs_key_mpls *mpls_key,
361 const struct ovs_key_mpls *mpls_mask)
362{
363 ovs_be32 key = mpls_key->mpls_lse;
364
365 if (mpls_mask == NULL) {
366 format_mpls_lse(ds, key);
367 } else {
368 ovs_be32 mask = mpls_mask->mpls_lse;
369
370 ds_put_format(ds, "label=%"PRIu32"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x",
371 mpls_lse_to_label(key), mpls_lse_to_label(mask),
372 mpls_lse_to_tc(key), mpls_lse_to_tc(mask),
373 mpls_lse_to_ttl(key), mpls_lse_to_ttl(mask),
374 mpls_lse_to_bos(key), mpls_lse_to_bos(mask));
375 }
376}
377
4edb9ae9 378static void
cdee00fd 379format_odp_action(struct ds *ds, const struct nlattr *a)
064af421 380{
98403001 381 int expected_len;
4edb9ae9 382 enum ovs_action_attr type = nl_attr_type(a);
fea393b1 383 const struct ovs_action_push_vlan *vlan;
cdee00fd 384
98403001
BP		 385 expected_len = odp_action_len(nl_attr_type(a));
386 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
8ba43fbd 387 ds_put_format(ds, "bad length %zu, expected %d for: ",
98403001 388 nl_attr_get_size(a), expected_len);
cdee00fd
BP		 389 format_generic_odp_action(ds, a);
390 return;
391 }
392
4edb9ae9 393 switch (type) {
df2c07f4 394 case OVS_ACTION_ATTR_OUTPUT:
26ce7705 395 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
064af421 396 break;
df2c07f4 397 case OVS_ACTION_ATTR_USERSPACE:
98403001 398 format_odp_userspace_action(ds, a);
064af421 399 break;
4edb9ae9
PS		 400 case OVS_ACTION_ATTR_SET:
401 ds_put_cstr(ds, "set(");
e6cc0bab 402 format_odp_key_attr(nl_attr_get(a), NULL, ds);
4edb9ae9 403 ds_put_cstr(ds, ")");
064af421 404 break;
fea393b1
BP		 405 case OVS_ACTION_ATTR_PUSH_VLAN:
406 vlan = nl_attr_get(a);
407 ds_put_cstr(ds, "push_vlan(");
408 if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) {
409 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid));
410 }
8ddc056d
BP		 411 format_vlan_tci(ds, vlan->vlan_tci);
412 ds_put_char(ds, ')');
064af421 413 break;
fea393b1
BP		 414 case OVS_ACTION_ATTR_POP_VLAN:
415 ds_put_cstr(ds, "pop_vlan");
064af421 416 break;
b02475c5
SH		 417 case OVS_ACTION_ATTR_PUSH_MPLS: {
418 const struct ovs_action_push_mpls *mpls = nl_attr_get(a);
419 ds_put_cstr(ds, "push_mpls(");
420 format_mpls_lse(ds, mpls->mpls_lse);
421 ds_put_format(ds, ",eth_type=0x%"PRIx16")", ntohs(mpls->mpls_ethertype));
422 break;
423 }
424 case OVS_ACTION_ATTR_POP_MPLS: {
425 ovs_be16 ethertype = nl_attr_get_be16(a);
426 ds_put_format(ds, "pop_mpls(eth_type=0x%"PRIx16")", ntohs(ethertype));
427 break;
428 }
6ff686f2
PS		 429 case OVS_ACTION_ATTR_SAMPLE:
430 format_odp_sample_action(ds, a);
431 break;
4edb9ae9
PS		 432 case OVS_ACTION_ATTR_UNSPEC:
433 case __OVS_ACTION_ATTR_MAX:
064af421 434 default:
cdee00fd 435 format_generic_odp_action(ds, a);
064af421
BP		 436 break;
437 }
438}
439
440void
cdee00fd 441format_odp_actions(struct ds *ds, const struct nlattr *actions,
cf22f8cb 442 size_t actions_len)
064af421 443{
cdee00fd
BP		 444 if (actions_len) {
445 const struct nlattr *a;
446 unsigned int left;
447
448 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
449 if (a != actions) {
450 ds_put_char(ds, ',');
451 }
452 format_odp_action(ds, a);
064af421 453 }
cdee00fd 454 if (left) {
3a8cfc50
BP		 455 int i;
456
3476fce3
BP		 457 if (left == actions_len) {
458 ds_put_cstr(ds, "<empty>");
459 }
3a8cfc50
BP		 460 ds_put_format(ds, ",***%u leftover bytes*** (", left);
461 for (i = 0; i < left; i++) {
462 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
463 }
464 ds_put_char(ds, ')');
cdee00fd
BP		 465 }
466 } else {
064af421
BP		 467 ds_put_cstr(ds, "drop");
468 }
469}
7202cbe5
BP		 470
471static int
44bac24b 472parse_odp_action(const char *s, const struct simap *port_names,
7202cbe5
BP		 473 struct ofpbuf *actions)
474{
475 /* Many of the sscanf calls in this function use oversized destination
476 * fields because some sscanf() implementations truncate the range of %i
477 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
478 * value of 0x7fff. The other alternatives are to allow only a single
479 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
480 * parsers.
481 *
482 * The tun_id parser has to use an alternative approach because there is no
483 * type larger than 64 bits. */
484
485 {
486 unsigned long long int port;
487 int n = -1;
488
489 if (sscanf(s, "%lli%n", &port, &n) > 0 && n > 0) {
490 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port);
491 return n;
492 }
493 }
494
495 if (port_names) {
496 int len = strcspn(s, delimiters);
44bac24b 497 struct simap_node *node;
7202cbe5 498
44bac24b 499 node = simap_find_len(port_names, s, len);
7202cbe5 500 if (node) {
44bac24b 501 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data);
7202cbe5
BP		 502 return len;
503 }
504 }
505
506 {
507 unsigned long long int pid;
36fc5f18 508 unsigned long long int output;
29089a54
RL		 509 unsigned long long int probability;
510 unsigned long long int collector_set_id;
511 unsigned long long int obs_domain_id;
512 unsigned long long int obs_point_id;
7202cbe5
BP		 513 int vid, pcp;
514 int n = -1;
515
516 if (sscanf(s, "userspace(pid=%lli)%n", &pid, &n) > 0 && n > 0) {
e995e3df 517 odp_put_userspace_action(pid, NULL, 0, actions);
7202cbe5 518 return n;
6a7e895f
BP		 519 } else if (sscanf(s, "userspace(pid=%lli,sFlow(vid=%i,"
520 "pcp=%i,output=%lli))%n",
36fc5f18 521 &pid, &vid, &pcp, &output, &n) > 0 && n > 0) {
1673e0e4 522 union user_action_cookie cookie;
7202cbe5
BP		 523 uint16_t tci;
524
525 tci = vid | (pcp << VLAN_PCP_SHIFT);
526 if (tci) {
527 tci |= VLAN_CFI;
528 }
529
530 cookie.type = USER_ACTION_COOKIE_SFLOW;
1673e0e4
BP		 531 cookie.sflow.vlan_tci = htons(tci);
532 cookie.sflow.output = output;
29089a54
RL		 533 odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow,
534 actions);
6a7e895f 535 return n;
98f0520f 536 } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0
6a7e895f
BP		 537 && n > 0) {
538 union user_action_cookie cookie;
98f0520f
EJ		 539 char reason[32];
540
541 if (s[n] == ')' && s[n + 1] == ')') {
542 reason[0] = '\0';
543 n += 2;
544 } else if (sscanf(s + n, "%31[^)]))", reason) > 0) {
545 n += strlen(reason) + 2;
546 } else {
547 return -EINVAL;
548 }
6a7e895f
BP		 549
550 cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
551 cookie.slow_path.unused = 0;
98f0520f 552 cookie.slow_path.reason = string_to_slow_path_reason(reason);
6a7e895f 553
98f0520f 554 if (reason[0] && !cookie.slow_path.reason) {
6a7e895f
BP		 555 return -EINVAL;
556 }
6a7e895f 557
29089a54
RL		 558 odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path,
559 actions);
560 return n;
561 } else if (sscanf(s, "userspace(pid=%lli,flow_sample(probability=%lli,"
562 "collector_set_id=%lli,obs_domain_id=%lli,"
563 "obs_point_id=%lli))%n",
564 &pid, &probability, &collector_set_id,
565 &obs_domain_id, &obs_point_id, &n) > 0 && n > 0) {
566 union user_action_cookie cookie;
567
568 cookie.type = USER_ACTION_COOKIE_FLOW_SAMPLE;
569 cookie.flow_sample.probability = probability;
570 cookie.flow_sample.collector_set_id = collector_set_id;
571 cookie.flow_sample.obs_domain_id = obs_domain_id;
572 cookie.flow_sample.obs_point_id = obs_point_id;
573 odp_put_userspace_action(pid, &cookie, sizeof cookie.flow_sample,
574 actions);
7202cbe5 575 return n;
29089a54
RL		 576 } else if (sscanf(s, "userspace(pid=%lli,ipfix)%n", &pid, &n) > 0
577 && n > 0) {
578 union user_action_cookie cookie;
7202cbe5 579
29089a54
RL		 580 cookie.type = USER_ACTION_COOKIE_IPFIX;
581 odp_put_userspace_action(pid, &cookie, sizeof cookie.ipfix,
e995e3df 582 actions);
7202cbe5 583 return n;
e995e3df
BP		 584 } else if (sscanf(s, "userspace(pid=%lli,userdata(%n", &pid, &n) > 0
585 && n > 0) {
586 struct ofpbuf buf;
587 char *end;
588
589 ofpbuf_init(&buf, 16);
590 end = ofpbuf_put_hex(&buf, &s[n], NULL);
591 if (end[0] == ')' && end[1] == ')') {
592 odp_put_userspace_action(pid, buf.data, buf.size, actions);
593 ofpbuf_uninit(&buf);
594 return (end + 2) - s;
595 }
7202cbe5
BP		 596 }
597 }
598
599 if (!strncmp(s, "set(", 4)) {
600 size_t start_ofs;
601 int retval;
602
603 start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET);
e6cc0bab 604 retval = parse_odp_key_mask_attr(s + 4, port_names, actions, NULL);
7202cbe5
BP		 605 if (retval < 0) {
606 return retval;
607 }
608 if (s[retval + 4] != ')') {
609 return -EINVAL;
610 }
611 nl_msg_end_nested(actions, start_ofs);
612 return retval + 5;
613 }
614
becffb86
BP		 615 {
616 struct ovs_action_push_vlan push;
617 int tpid = ETH_TYPE_VLAN;
618 int vid, pcp;
619 int cfi = 1;
620 int n = -1;
7202cbe5 621
becffb86
BP		 622 if ((sscanf(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) > 0
623 && n > 0)
624 || (sscanf(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
625 &vid, &pcp, &cfi, &n) > 0 && n > 0)
626 || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
627 &tpid, &vid, &pcp, &n) > 0 && n > 0)
628 || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
629 &tpid, &vid, &pcp, &cfi, &n) > 0 && n > 0)) {
630 push.vlan_tpid = htons(tpid);
631 push.vlan_tci = htons((vid << VLAN_VID_SHIFT)
632 | (pcp << VLAN_PCP_SHIFT)
633 | (cfi ? VLAN_CFI : 0));
634 nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN,
635 &push, sizeof push);
636
637 return n;
7202cbe5 638 }
7202cbe5
BP		 639 }
640
becffb86
BP		 641 if (!strncmp(s, "pop_vlan", 8)) {
642 nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN);
643 return 8;
7202cbe5
BP		 644 }
645
646 {
647 double percentage;
648 int n = -1;
649
650 if (sscanf(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) > 0
651 && percentage >= 0. && percentage <= 100.0
652 && n > 0) {
653 size_t sample_ofs, actions_ofs;
654 double probability;
655
656 probability = floor(UINT32_MAX * (percentage / 100.0) + .5);
657 sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE);
658 nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY,
659 (probability <= 0 ? 0
660 : probability >= UINT32_MAX ? UINT32_MAX
661 : probability));
662
663 actions_ofs = nl_msg_start_nested(actions,
664 OVS_SAMPLE_ATTR_ACTIONS);
665 for (;;) {
666 int retval;
667
79d4ffe2 668 n += strspn(s + n, delimiters);
7202cbe5
BP		 669 if (s[n] == ')') {
670 break;
671 }
672
673 retval = parse_odp_action(s + n, port_names, actions);
674 if (retval < 0) {
675 return retval;
676 }
677 n += retval;
7202cbe5
BP		 678 }
679 nl_msg_end_nested(actions, actions_ofs);
680 nl_msg_end_nested(actions, sample_ofs);
681
682 return s[n + 1] == ')' ? n + 2 : -EINVAL;
683 }
684 }
685
686 return -EINVAL;
687}
688
689/* Parses the string representation of datapath actions, in the format output
690 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
691 * value. On success, the ODP actions are appended to 'actions' as a series of
692 * Netlink attributes. On failure, no data is appended to 'actions'. Either
693 * way, 'actions''s data might be reallocated. */
694int
44bac24b 695odp_actions_from_string(const char *s, const struct simap *port_names,
7202cbe5
BP		 696 struct ofpbuf *actions)
697{
698 size_t old_size;
699
700 if (!strcasecmp(s, "drop")) {
701 return 0;
702 }
703
704 old_size = actions->size;
705 for (;;) {
706 int retval;
707
708 s += strspn(s, delimiters);
709 if (!*s) {
710 return 0;
711 }
712
713 retval = parse_odp_action(s, port_names, actions);
714 if (retval < 0 || !strchr(delimiters, s[retval])) {
715 actions->size = old_size;
716 return -retval;
717 }
718 s += retval;
719 }
720
721 return 0;
722}
14608a15 723\f
36956a7d 724/* Returns the correct length of the payload for a flow key attribute of the
fea393b1
BP		 725 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
726 * is variable length. */
36956a7d
BP		 727static int
728odp_flow_key_attr_len(uint16_t type)
729{
df2c07f4 730 if (type > OVS_KEY_ATTR_MAX) {
36956a7d
BP		 731 return -1;
732 }
733
09ded0ad 734 switch ((enum ovs_key_attr) type) {
fea393b1 735 case OVS_KEY_ATTR_ENCAP: return -2;
abff858b 736 case OVS_KEY_ATTR_PRIORITY: return 4;
72e8bf28 737 case OVS_KEY_ATTR_SKB_MARK: return 4;
9b405f1a 738 case OVS_KEY_ATTR_TUNNEL: return -2;
df2c07f4
JP		 739 case OVS_KEY_ATTR_IN_PORT: return 4;
740 case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
fea393b1 741 case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
df2c07f4 742 case OVS_KEY_ATTR_ETHERTYPE: return 2;
b02475c5 743 case OVS_KEY_ATTR_MPLS: return sizeof(struct ovs_key_mpls);
df2c07f4
JP		 744 case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
745 case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
746 case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
747 case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
748 case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
749 case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
750 case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
751 case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd);
752
753 case OVS_KEY_ATTR_UNSPEC:
754 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 755 return -1;
756 }
757
758 return -1;
759}
760
36956a7d
BP		 761static void
762format_generic_odp_key(const struct nlattr *a, struct ds *ds)
763{
764 size_t len = nl_attr_get_size(a);
36956a7d
BP		 765 if (len) {
766 const uint8_t *unspec;
767 unsigned int i;
768
769 unspec = nl_attr_get(a);
770 for (i = 0; i < len; i++) {
e6cc0bab
AZ		 771 if (i) {
772 ds_put_char(ds, ' ');
773 }
36956a7d
BP		 774 ds_put_format(ds, "%02x", unspec[i]);
775 }
36956a7d
BP		 776 }
777}
778
7257b535
BP		 779static const char *
780ovs_frag_type_to_string(enum ovs_frag_type type)
781{
782 switch (type) {
783 case OVS_FRAG_TYPE_NONE:
784 return "no";
785 case OVS_FRAG_TYPE_FIRST:
786 return "first";
787 case OVS_FRAG_TYPE_LATER:
788 return "later";
789 case __OVS_FRAG_TYPE_MAX:
790 default:
791 return "<error>";
792 }
793}
794
9b405f1a
PS		 795static int
796tunnel_key_attr_len(int type)
29c7a2b2 797{
9b405f1a
PS		 798 switch (type) {
799 case OVS_TUNNEL_KEY_ATTR_ID: return 8;
800 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC: return 4;
801 case OVS_TUNNEL_KEY_ATTR_IPV4_DST: return 4;
802 case OVS_TUNNEL_KEY_ATTR_TOS: return 1;
803 case OVS_TUNNEL_KEY_ATTR_TTL: return 1;
804 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT: return 0;
805 case OVS_TUNNEL_KEY_ATTR_CSUM: return 0;
806 case __OVS_TUNNEL_KEY_ATTR_MAX:
807 return -1;
29c7a2b2 808 }
9b405f1a
PS		 809 return -1;
810}
811
617e10e7
SH		 812enum odp_key_fitness
813odp_tun_key_from_attr(const struct nlattr *attr, struct flow_tnl *tun)
9b405f1a
PS		 814{
815 unsigned int left;
816 const struct nlattr *a;
817 bool ttl = false;
818 bool unknown = false;
819
820 NL_NESTED_FOR_EACH(a, left, attr) {
821 uint16_t type = nl_attr_type(a);
822 size_t len = nl_attr_get_size(a);
823 int expected_len = tunnel_key_attr_len(type);
824
825 if (len != expected_len && expected_len >= 0) {
826 return ODP_FIT_ERROR;
827 }
828
829 switch (type) {
830 case OVS_TUNNEL_KEY_ATTR_ID:
831 tun->tun_id = nl_attr_get_be64(a);
832 tun->flags |= FLOW_TNL_F_KEY;
833 break;
834 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
835 tun->ip_src = nl_attr_get_be32(a);
836 break;
837 case OVS_TUNNEL_KEY_ATTR_IPV4_DST:
838 tun->ip_dst = nl_attr_get_be32(a);
839 break;
840 case OVS_TUNNEL_KEY_ATTR_TOS:
841 tun->ip_tos = nl_attr_get_u8(a);
842 break;
843 case OVS_TUNNEL_KEY_ATTR_TTL:
844 tun->ip_ttl = nl_attr_get_u8(a);
845 ttl = true;
846 break;
847 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT:
848 tun->flags |= FLOW_TNL_F_DONT_FRAGMENT;
849 break;
850 case OVS_TUNNEL_KEY_ATTR_CSUM:
851 tun->flags |= FLOW_TNL_F_CSUM;
852 break;
853 default:
854 /* Allow this to show up as unexpected, if there are unknown
855 * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */
856 unknown = true;
857 break;
858 }
859 }
860
861 if (!ttl) {
862 return ODP_FIT_ERROR;
863 }
864 if (unknown) {
865 return ODP_FIT_TOO_MUCH;
866 }
867 return ODP_FIT_PERFECT;
868}
869
870static void
871tun_key_to_attr(struct ofpbuf *a, const struct flow_tnl *tun_key)
872{
873 size_t tun_key_ofs;
874
875 tun_key_ofs = nl_msg_start_nested(a, OVS_KEY_ATTR_TUNNEL);
876
877 if (tun_key->flags & FLOW_TNL_F_KEY) {
878 nl_msg_put_be64(a, OVS_TUNNEL_KEY_ATTR_ID, tun_key->tun_id);
879 }
880 if (tun_key->ip_src) {
881 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_SRC, tun_key->ip_src);
882 }
883 if (tun_key->ip_dst) {
884 nl_msg_put_be32(a, OVS_TUNNEL_KEY_ATTR_IPV4_DST, tun_key->ip_dst);
885 }
886 if (tun_key->ip_tos) {
887 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TOS, tun_key->ip_tos);
888 }
889 nl_msg_put_u8(a, OVS_TUNNEL_KEY_ATTR_TTL, tun_key->ip_ttl);
890 if (tun_key->flags & FLOW_TNL_F_DONT_FRAGMENT) {
891 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT);
892 }
893 if (tun_key->flags & FLOW_TNL_F_CSUM) {
894 nl_msg_put_flag(a, OVS_TUNNEL_KEY_ATTR_CSUM);
895 }
896
897 nl_msg_end_nested(a, tun_key_ofs);
29c7a2b2
PS		 898}
899
e6cc0bab
AZ		 900static bool
901odp_mask_attr_is_exact(const struct nlattr *ma)
902{
903 bool is_exact = false;
904 enum ovs_key_attr attr = nl_attr_type(ma);
905
906 if (attr == OVS_KEY_ATTR_TUNNEL) {
907 /* XXX this is a hack for now. Should change
908 * the exact match dection to per field
909 * instead of per attribute.
910 */
911 struct flow_tnl tun_mask;
912 memset(&tun_mask, 0, sizeof tun_mask);
913 odp_tun_key_from_attr(ma, &tun_mask);
914 if (tun_mask.flags == (FLOW_TNL_F_KEY
915 | FLOW_TNL_F_DONT_FRAGMENT
916 | FLOW_TNL_F_CSUM)) {
917 /* The flags are exact match, check the remaining fields. */
918 tun_mask.flags = 0xffff;
919 is_exact = is_all_ones((uint8_t *)&tun_mask,
920 offsetof(struct flow_tnl, ip_ttl));
921 }
922 } else {
923 is_exact = is_all_ones(nl_attr_get(ma), nl_attr_get_size(ma));
924 }
925
926 return is_exact;
927}
928
929
36956a7d 930static void
e6cc0bab
AZ		 931format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
932 struct ds *ds)
36956a7d 933{
9b405f1a 934 struct flow_tnl tun_key;
7a8e9ed2 935 enum ovs_key_attr attr = nl_attr_type(a);
e6603631 936 char namebuf[OVS_KEY_ATTR_BUFSIZE];
fea393b1 937 int expected_len;
dc8c5408 938 bool is_exact;
36956a7d 939
dc8c5408 940 is_exact = ma ? odp_mask_attr_is_exact(ma) : true;
e6cc0bab 941
e6603631 942 ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf));
e6cc0bab
AZ		 943
944 {
945 expected_len = odp_flow_key_attr_len(nl_attr_type(a));
946 if (expected_len != -2) {
947 bool bad_key_len = nl_attr_get_size(a) != expected_len;
948 bool bad_mask_len = ma && nl_attr_get_size(a) != expected_len;
949
950 if (bad_key_len || bad_mask_len) {
951 if (bad_key_len) {
952 ds_put_format(ds, "(bad key length %zu, expected %d)(",
953 nl_attr_get_size(a),
954 odp_flow_key_attr_len(nl_attr_type(a)));
955 }
956 format_generic_odp_key(a, ds);
957 if (bad_mask_len) {
958 ds_put_char(ds, '/');
959 ds_put_format(ds, "(bad mask length %zu, expected %d)(",
960 nl_attr_get_size(ma),
961 odp_flow_key_attr_len(nl_attr_type(ma)));
962 }
963 format_generic_odp_key(ma, ds);
964 ds_put_char(ds, ')');
965 return;
966 }
967 }
36956a7d
BP		 968 }
969
e6cc0bab 970 ds_put_char(ds, '(');
7a8e9ed2 971 switch (attr) {
fea393b1 972 case OVS_KEY_ATTR_ENCAP:
e6cc0bab
AZ		 973 if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) {
974 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a),
975 nl_attr_get(ma), nl_attr_get_size(ma), ds);
976 } else if (nl_attr_get_size(a)) {
977 odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, ds);
fea393b1 978 }
fea393b1
BP		 979 break;
980
abff858b 981 case OVS_KEY_ATTR_PRIORITY:
72e8bf28 982 case OVS_KEY_ATTR_SKB_MARK:
e6cc0bab 983 ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a));
dc8c5408 984 if (!is_exact) {
e6cc0bab
AZ		 985 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
986 }
72e8bf28
AA		 987 break;
988
9b405f1a
PS		 989 case OVS_KEY_ATTR_TUNNEL:
990 memset(&tun_key, 0, sizeof tun_key);
617e10e7 991 if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) {
e6cc0bab 992 ds_put_format(ds, "error");
dc8c5408 993 } else if (!is_exact) {
e6cc0bab
AZ		 994 struct flow_tnl tun_mask;
995
996 memset(&tun_mask, 0, sizeof tun_mask);
997 odp_tun_key_from_attr(ma, &tun_mask);
998 ds_put_format(ds, "tun_id=%#"PRIx64"/%#"PRIx64
999 ",src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1000 ",tos=%#"PRIx8"/%#"PRIx8",ttl=%"PRIu8"/%#"PRIx8
1001 ",flags(",
1002 ntohll(tun_key.tun_id), ntohll(tun_mask.tun_id),
1003 IP_ARGS(tun_key.ip_src), IP_ARGS(tun_mask.ip_src),
1004 IP_ARGS(tun_key.ip_dst), IP_ARGS(tun_mask.ip_dst),
1005 tun_key.ip_tos, tun_mask.ip_tos,
1006 tun_key.ip_ttl, tun_mask.ip_ttl);
1007
1008 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1009
1010 /* XXX This code is correct, but enabling it would break the unit
1011 test. Disable it for now until the input parser is fixed.
1012
1013 ds_put_char(ds, '/');
1014 format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ',');
1015 */
1016 ds_put_char(ds, ')');
9b405f1a 1017 } else {
e6cc0bab 1018 ds_put_format(ds, "tun_id=0x%"PRIx64",src="IP_FMT",dst="IP_FMT","
9b405f1a
PS		 1019 "tos=0x%"PRIx8",ttl=%"PRIu8",flags(",
1020 ntohll(tun_key.tun_id),
1021 IP_ARGS(tun_key.ip_src),
1022 IP_ARGS(tun_key.ip_dst),
1023 tun_key.ip_tos, tun_key.ip_ttl);
1024
e6cc0bab
AZ		 1025 format_flags(ds, flow_tun_flag_to_string, tun_key.flags, ',');
1026 ds_put_char(ds, ')');
9b405f1a 1027 }
356af50b
KM		 1028 break;
1029
df2c07f4 1030 case OVS_KEY_ATTR_IN_PORT:
e6cc0bab 1031 ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
dc8c5408 1032 if (!is_exact) {
e6cc0bab
AZ		 1033 ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
1034 }
36956a7d
BP		 1035 break;
1036
df2c07f4 1037 case OVS_KEY_ATTR_ETHERNET:
dc8c5408 1038 if (!is_exact) {
e6cc0bab
AZ		 1039 const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma);
1040 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1041
1042 ds_put_format(ds, "src="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1043 ",dst="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1044 ETH_ADDR_ARGS(eth_key->eth_src),
1045 ETH_ADDR_ARGS(eth_mask->eth_src),
1046 ETH_ADDR_ARGS(eth_key->eth_dst),
1047 ETH_ADDR_ARGS(eth_mask->eth_dst));
1048 } else {
1049 const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
1050
1051 ds_put_format(ds, "src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT,
1052 ETH_ADDR_ARGS(eth_key->eth_src),
1053 ETH_ADDR_ARGS(eth_key->eth_dst));
1054 }
36956a7d
BP		 1055 break;
1056
fea393b1 1057 case OVS_KEY_ATTR_VLAN:
e6cc0bab
AZ		 1058 {
1059 ovs_be16 vlan_tci = nl_attr_get_be16(a);
dc8c5408 1060 if (!is_exact) {
e6cc0bab 1061 ovs_be16 mask = nl_attr_get_be16(ma);
2d39507c 1062 ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d",
e6cc0bab
AZ		 1063 vlan_tci_to_vid(vlan_tci),
1064 vlan_tci_to_vid(mask),
1065 vlan_tci_to_pcp(vlan_tci),
b06b6a39 1066 vlan_tci_to_pcp(mask),
e6cc0bab
AZ		 1067 vlan_tci_to_cfi(vlan_tci),
1068 vlan_tci_to_cfi(mask));
1069 } else {
1070 format_vlan_tci(ds, vlan_tci);
1071 }
1072 }
36956a7d
BP		 1073 break;
1074
b02475c5
SH		 1075 case OVS_KEY_ATTR_MPLS: {
1076 const struct ovs_key_mpls *mpls_key = nl_attr_get(a);
e6cc0bab 1077 const struct ovs_key_mpls *mpls_mask = NULL;
dc8c5408 1078 if (!is_exact) {
e6cc0bab
AZ		 1079 mpls_mask = nl_attr_get(ma);
1080 }
1081 format_mpls(ds, mpls_key, mpls_mask);
b02475c5
SH		 1082 break;
1083 }
1084
df2c07f4 1085 case OVS_KEY_ATTR_ETHERTYPE:
e6cc0bab 1086 ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a)));
dc8c5408 1087 if (!is_exact) {
e6cc0bab
AZ		 1088 ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma)));
1089 }
36956a7d
BP		 1090 break;
1091
df2c07f4 1092 case OVS_KEY_ATTR_IPV4:
dc8c5408 1093 if (!is_exact) {
e6cc0bab
AZ		 1094 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1095 const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma);
1096
1097 ds_put_format(ds, "src="IP_FMT"/"IP_FMT",dst="IP_FMT"/"IP_FMT
1098 ",proto=%"PRIu8"/%#"PRIx8",tos=%#"PRIx8"/%#"PRIx8
1099 ",ttl=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1100 IP_ARGS(ipv4_key->ipv4_src),
1101 IP_ARGS(ipv4_mask->ipv4_src),
1102 IP_ARGS(ipv4_key->ipv4_dst),
1103 IP_ARGS(ipv4_mask->ipv4_dst),
1104 ipv4_key->ipv4_proto, ipv4_mask->ipv4_proto,
1105 ipv4_key->ipv4_tos, ipv4_mask->ipv4_tos,
1106 ipv4_key->ipv4_ttl, ipv4_mask->ipv4_ttl,
1107 ovs_frag_type_to_string(ipv4_key->ipv4_frag),
1108 ipv4_mask->ipv4_frag);
1109 } else {
1110 const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
1111
1112 ds_put_format(ds, "src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
1113 ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s",
1114 IP_ARGS(ipv4_key->ipv4_src),
1115 IP_ARGS(ipv4_key->ipv4_dst),
1116 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
1117 ipv4_key->ipv4_ttl,
1118 ovs_frag_type_to_string(ipv4_key->ipv4_frag));
1119 }
36956a7d
BP		 1120 break;
1121
e6cc0bab 1122 case OVS_KEY_ATTR_IPV6:
dc8c5408 1123 if (!is_exact) {
e6cc0bab
AZ		 1124 const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask;
1125 char src_str[INET6_ADDRSTRLEN];
1126 char dst_str[INET6_ADDRSTRLEN];
1127 char src_mask[INET6_ADDRSTRLEN];
1128 char dst_mask[INET6_ADDRSTRLEN];
1129
1130 ipv6_key = nl_attr_get(a);
1131 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1132 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1133
1134 ipv6_mask = nl_attr_get(ma);
1135 inet_ntop(AF_INET6, ipv6_mask->ipv6_src, src_mask, sizeof src_mask);
1136 inet_ntop(AF_INET6, ipv6_mask->ipv6_dst, dst_mask, sizeof dst_mask);
1137
1138 ds_put_format(ds, "src=%s/%s,dst=%s/%s,label=%#"PRIx32"/%#"PRIx32
1139 ",proto=%"PRIu8"/%#"PRIx8",tclass=%#"PRIx8"/%#"PRIx8
1140 ",hlimit=%"PRIu8"/%#"PRIx8",frag=%s/%#"PRIx8,
1141 src_str, src_mask, dst_str, dst_mask,
1142 ntohl(ipv6_key->ipv6_label),
1143 ntohl(ipv6_mask->ipv6_label),
1144 ipv6_key->ipv6_proto, ipv6_mask->ipv6_proto,
1145 ipv6_key->ipv6_tclass, ipv6_mask->ipv6_tclass,
1146 ipv6_key->ipv6_hlimit, ipv6_mask->ipv6_hlimit,
1147 ovs_frag_type_to_string(ipv6_key->ipv6_frag),
1148 ipv6_mask->ipv6_frag);
1149 } else {
1150 const struct ovs_key_ipv6 *ipv6_key;
1151 char src_str[INET6_ADDRSTRLEN];
1152 char dst_str[INET6_ADDRSTRLEN];
1153
1154 ipv6_key = nl_attr_get(a);
1155 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
1156 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
1157
1158 ds_put_format(ds, "src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8
1159 ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s",
1160 src_str, dst_str, ntohl(ipv6_key->ipv6_label),
1161 ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass,
1162 ipv6_key->ipv6_hlimit,
1163 ovs_frag_type_to_string(ipv6_key->ipv6_frag));
1164 }
d31f1109 1165 break;
d31f1109 1166
df2c07f4 1167 case OVS_KEY_ATTR_TCP:
dc8c5408 1168 if (!is_exact) {
e6cc0bab
AZ		 1169 const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma);
1170 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1171
1172 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1173 ",dst=%"PRIu16"/%#"PRIx16,
1174 ntohs(tcp_key->tcp_src), ntohs(tcp_mask->tcp_src),
1175 ntohs(tcp_key->tcp_dst), ntohs(tcp_mask->tcp_dst));
1176 } else {
1177 const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
1178
1179 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1180 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
1181 }
36956a7d
BP		 1182 break;
1183
df2c07f4 1184 case OVS_KEY_ATTR_UDP:
dc8c5408 1185 if (!is_exact) {
e6cc0bab
AZ		 1186 const struct ovs_key_udp *udp_mask = nl_attr_get(ma);
1187 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1188
1189 ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
1190 ",dst=%"PRIu16"/%#"PRIx16,
1191 ntohs(udp_key->udp_src), ntohs(udp_mask->udp_src),
1192 ntohs(udp_key->udp_dst), ntohs(udp_mask->udp_dst));
1193 } else {
1194 const struct ovs_key_udp *udp_key = nl_attr_get(a);
1195
1196 ds_put_format(ds, "src=%"PRIu16",dst=%"PRIu16,
1197 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
1198 }
36956a7d
BP		 1199 break;
1200
df2c07f4 1201 case OVS_KEY_ATTR_ICMP:
dc8c5408 1202 if (!is_exact) {
e6cc0bab
AZ		 1203 const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma);
1204 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1205
1206 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1207 icmp_key->icmp_type, icmp_mask->icmp_type,
1208 icmp_key->icmp_code, icmp_mask->icmp_code);
1209 } else {
1210 const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
1211
1212 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1213 icmp_key->icmp_type, icmp_key->icmp_code);
1214 }
36956a7d
BP		 1215 break;
1216
df2c07f4 1217 case OVS_KEY_ATTR_ICMPV6:
dc8c5408 1218 if (!is_exact) {
e6cc0bab
AZ		 1219 const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma);
1220 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1221
1222 ds_put_format(ds, "type=%"PRIu8"/%#"PRIx8",code=%"PRIu8"/%#"PRIx8,
1223 icmpv6_key->icmpv6_type, icmpv6_mask->icmpv6_type,
1224 icmpv6_key->icmpv6_code, icmpv6_mask->icmpv6_code);
1225 } else {
1226 const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
1227
1228 ds_put_format(ds, "type=%"PRIu8",code=%"PRIu8,
1229 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
1230 }
d31f1109
JP		 1231 break;
1232
df2c07f4 1233 case OVS_KEY_ATTR_ARP:
dc8c5408 1234 if (!is_exact) {
e6cc0bab
AZ		 1235 const struct ovs_key_arp *arp_mask = nl_attr_get(ma);
1236 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1237
1238 ds_put_format(ds, "sip="IP_FMT"/"IP_FMT",tip="IP_FMT"/"IP_FMT
1239 ",op=%"PRIu16"/%#"PRIx16
1240 ",sha="ETH_ADDR_FMT"/"ETH_ADDR_FMT
1241 ",tha="ETH_ADDR_FMT"/"ETH_ADDR_FMT,
1242 IP_ARGS(arp_key->arp_sip),
1243 IP_ARGS(arp_mask->arp_sip),
1244 IP_ARGS(arp_key->arp_tip),
1245 IP_ARGS(arp_mask->arp_tip),
1246 ntohs(arp_key->arp_op), ntohs(arp_mask->arp_op),
1247 ETH_ADDR_ARGS(arp_key->arp_sha),
1248 ETH_ADDR_ARGS(arp_mask->arp_sha),
1249 ETH_ADDR_ARGS(arp_key->arp_tha),
1250 ETH_ADDR_ARGS(arp_mask->arp_tha));
1251 } else {
1252 const struct ovs_key_arp *arp_key = nl_attr_get(a);
1253
1254 ds_put_format(ds, "sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
1255 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT,
1256 IP_ARGS(arp_key->arp_sip), IP_ARGS(arp_key->arp_tip),
1257 ntohs(arp_key->arp_op),
1258 ETH_ADDR_ARGS(arp_key->arp_sha),
1259 ETH_ADDR_ARGS(arp_key->arp_tha));
1260 }
36956a7d
BP		 1261 break;
1262
df2c07f4 1263 case OVS_KEY_ATTR_ND: {
dc8c5408 1264 const struct ovs_key_nd *nd_key, *nd_mask = NULL;
685a51a5
JP		 1265 char target[INET6_ADDRSTRLEN];
1266
1267 nd_key = nl_attr_get(a);
dc8c5408
AZ		 1268 if (!is_exact) {
1269 nd_mask = nl_attr_get(ma);
1270 }
e6cc0bab 1271
685a51a5 1272 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
e6cc0bab 1273 ds_put_format(ds, "target=%s", target);
dc8c5408 1274 if (!is_exact) {
e6cc0bab
AZ		 1275 inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target);
1276 ds_put_format(ds, "/%s", target);
1277 }
685a51a5 1278
685a51a5
JP		 1279 if (!eth_addr_is_zero(nd_key->nd_sll)) {
1280 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
1281 ETH_ADDR_ARGS(nd_key->nd_sll));
dc8c5408 1282 if (!is_exact) {
e6cc0bab
AZ		 1283 ds_put_format(ds, "/"ETH_ADDR_FMT,
1284 ETH_ADDR_ARGS(nd_mask->nd_sll));
1285 }
685a51a5
JP		 1286 }
1287 if (!eth_addr_is_zero(nd_key->nd_tll)) {
1288 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
1289 ETH_ADDR_ARGS(nd_key->nd_tll));
dc8c5408 1290 if (!is_exact) {
e6cc0bab
AZ		 1291 ds_put_format(ds, "/"ETH_ADDR_FMT,
1292 ETH_ADDR_ARGS(nd_mask->nd_tll));
1293 }
685a51a5 1294 }
685a51a5
JP		 1295 break;
1296 }
1297
7a8e9ed2
BP		 1298 case OVS_KEY_ATTR_UNSPEC:
1299 case __OVS_KEY_ATTR_MAX:
36956a7d
BP		 1300 default:
1301 format_generic_odp_key(a, ds);
dc8c5408 1302 if (!is_exact) {
e6cc0bab
AZ		 1303 ds_put_char(ds, '/');
1304 format_generic_odp_key(ma, ds);
1305 }
36956a7d
BP		 1306 break;
1307 }
e6cc0bab 1308 ds_put_char(ds, ')');
36956a7d
BP		 1309}
1310
dc8c5408
AZ		 1311static struct nlattr *
1312generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key)
1313{
1314 const struct nlattr *a;
1315 unsigned int left;
1316 int type = nl_attr_type(key);
1317 int size = nl_attr_get_size(key);
1318
1319 if (odp_flow_key_attr_len(type) >=0) {
1320 memset(nl_msg_put_unspec_uninit(ofp, type, size), 0, size);
1321 } else {
1322 size_t nested_mask;
1323
1324 nested_mask = nl_msg_start_nested(ofp, type);
1325 NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) {
1326 generate_all_wildcard_mask(ofp, nl_attr_get(a));
1327 }
1328 nl_msg_end_nested(ofp, nested_mask);
1329 }
1330
1331 return ofp->base;
1332}
1333
36956a7d 1334/* Appends to 'ds' a string representation of the 'key_len' bytes of
e6cc0bab
AZ		 1335 * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the
1336 * 'mask_len' bytes of 'mask' which apply to 'key'. */
14608a15 1337void
e6cc0bab
AZ		 1338odp_flow_format(const struct nlattr *key, size_t key_len,
1339 const struct nlattr *mask, size_t mask_len,
1340 struct ds *ds)
14608a15 1341{
36956a7d
BP		 1342 if (key_len) {
1343 const struct nlattr *a;
1344 unsigned int left;
e6cc0bab
AZ		 1345 bool has_ethtype_key = false;
1346 const struct nlattr *ma = NULL;
dc8c5408 1347 struct ofpbuf ofp;
36956a7d 1348
dc8c5408 1349 ofpbuf_init(&ofp, 100);
36956a7d
BP		 1350 NL_ATTR_FOR_EACH (a, left, key, key_len) {
1351 if (a != key) {
1352 ds_put_char(ds, ',');
1353 }
e6cc0bab
AZ		 1354 if (nl_attr_type(a) == OVS_KEY_ATTR_ETHERTYPE) {
1355 has_ethtype_key = true;
1356 }
1357 if (mask && mask_len) {
1358 ma = nl_attr_find__(mask, mask_len, nl_attr_type(a));
dc8c5408
AZ		 1359 if (!ma) {
1360 ma = generate_all_wildcard_mask(&ofp, a);
1361 }
e6cc0bab
AZ		 1362 }
1363 format_odp_key_attr(a, ma, ds);
dc8c5408 1364 ofpbuf_clear(&ofp);
36956a7d 1365 }
dc8c5408
AZ		 1366 ofpbuf_uninit(&ofp);
1367
36956a7d 1368 if (left) {
3a8cfc50
BP		 1369 int i;
1370
36956a7d
BP		 1371 if (left == key_len) {
1372 ds_put_cstr(ds, "<empty>");
1373 }
3a8cfc50
BP		 1374 ds_put_format(ds, ",***%u leftover bytes*** (", left);
1375 for (i = 0; i < left; i++) {
1376 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
1377 }
1378 ds_put_char(ds, ')');
36956a7d 1379 }
e6cc0bab
AZ		 1380 if (!has_ethtype_key) {
1381 ma = nl_attr_find__(mask, mask_len, OVS_KEY_ATTR_ETHERTYPE);
1382 if (ma) {
1383 ds_put_format(ds, ",eth_type(0/0x%04"PRIx16")",
1384 ntohs(nl_attr_get_be16(ma)));
1385 }
1386 }
36956a7d
BP		 1387 } else {
1388 ds_put_cstr(ds, "<empty>");
1389 }
14608a15 1390}
064af421 1391
e6cc0bab
AZ		 1392/* Appends to 'ds' a string representation of the 'key_len' bytes of
1393 * OVS_KEY_ATTR_* attributes in 'key'. */
1394void
1395odp_flow_key_format(const struct nlattr *key,
1396 size_t key_len, struct ds *ds)
1397{
1398 odp_flow_format(key, key_len, NULL, 0, ds);
1399}
1400
dc8c5408
AZ		 1401static void
1402put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll,
1403 const uint8_t *nd_tll, struct ofpbuf *key)
1404{
1405 if (nd_sll) {
1406 memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN);
1407 }
1408
1409 if (nd_tll) {
1410 memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN);
1411 }
1412
1413 nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key);
1414}
1415
3bffc610 1416static int
dc8c5408
AZ		 1417put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll,
1418 const uint8_t *nd_tll, struct ofpbuf *key)
3bffc610 1419{
df2c07f4 1420 struct ovs_key_nd nd_key;
3bffc610
BP		 1421
1422 memset(&nd_key, 0, sizeof nd_key);
dc8c5408 1423
3bffc610
BP		 1424 if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
1425 return -EINVAL;
1426 }
dc8c5408
AZ		 1427
1428 put_nd(&nd_key, nd_sll, nd_tll, key);
1429 return n;
1430}
1431
1432static int
1433put_nd_mask(int n, const char *nd_target_s,
1434 const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask)
1435{
1436 struct ovs_key_nd nd_mask;
1437
1438 memset(&nd_mask, 0xff, sizeof nd_mask);
1439
1440 if (strlen(nd_target_s) != 0 &&
1441 inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) {
1442 return -EINVAL;
3bffc610 1443 }
dc8c5408
AZ		 1444
1445 put_nd(&nd_mask, nd_sll, nd_tll, mask);
3bffc610
BP		 1446 return n;
1447}
1448
7257b535
BP		 1449static bool
1450ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type)
1451{
1452 if (!strcasecmp(s, "no")) {
1453 *type = OVS_FRAG_TYPE_NONE;
1454 } else if (!strcasecmp(s, "first")) {
1455 *type = OVS_FRAG_TYPE_FIRST;
1456 } else if (!strcasecmp(s, "later")) {
1457 *type = OVS_FRAG_TYPE_LATER;
1458 } else {
1459 return false;
1460 }
1461 return true;
1462}
1463
b02475c5
SH		 1464static ovs_be32
1465mpls_lse_from_components(int mpls_label, int mpls_tc, int mpls_ttl, int mpls_bos)
1466{
1467 return (htonl((mpls_label << MPLS_LABEL_SHIFT) |
1468 (mpls_tc << MPLS_TC_SHIFT) |
1469 (mpls_ttl << MPLS_TTL_SHIFT) |
1470 (mpls_bos << MPLS_BOS_SHIFT)));
1471}
1472
3bffc610 1473static int
e6cc0bab
AZ		 1474parse_odp_key_mask_attr(const char *s, const struct simap *port_names,
1475 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610
BP		 1476{
1477 /* Many of the sscanf calls in this function use oversized destination
1478 * fields because some sscanf() implementations truncate the range of %i
1479 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
1480 * value of 0x7fff. The other alternatives are to allow only a single
1481 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
1482 * parsers.
1483 *
1484 * The tun_id parser has to use an alternative approach because there is no
1485 * type larger than 64 bits. */
1486
abff858b
PS		 1487 {
1488 unsigned long long int priority;
e6cc0bab 1489 unsigned long long int priority_mask;
abff858b
PS		 1490 int n = -1;
1491
e6cc0bab
AZ		 1492 if (mask && sscanf(s, "skb_priority(%lli/%lli)%n", &priority,
1493 &priority_mask, &n) > 0 && n > 0) {
1494 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
1495 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, priority_mask);
1496 return n;
1497 } else if (sscanf(s, "skb_priority(%lli)%n",
1498 &priority, &n) > 0 && n > 0) {
abff858b 1499 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
e6cc0bab
AZ		 1500 if (mask) {
1501 nl_msg_put_u32(mask, OVS_KEY_ATTR_PRIORITY, UINT32_MAX);
1502 }
abff858b
PS		 1503 return n;
1504 }
1505 }
1506
72e8bf28
AA		 1507 {
1508 unsigned long long int mark;
e6cc0bab 1509 unsigned long long int mark_mask;
72e8bf28
AA		 1510 int n = -1;
1511
e6cc0bab
AZ		 1512 if (mask && sscanf(s, "skb_mark(%lli/%lli)%n", &mark,
1513 &mark_mask, &n) > 0 && n > 0) {
1514 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
1515 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, mark_mask);
1516 return n;
1517 } else if (sscanf(s, "skb_mark(%lli)%n", &mark, &n) > 0 && n > 0) {
72e8bf28 1518 nl_msg_put_u32(key, OVS_KEY_ATTR_SKB_MARK, mark);
e6cc0bab
AZ		 1519 if (mask) {
1520 nl_msg_put_u32(mask, OVS_KEY_ATTR_SKB_MARK, UINT32_MAX);
1521 }
72e8bf28
AA		 1522 return n;
1523 }
1524 }
1525
35651d6a
JG		 1526 {
1527 char tun_id_s[32];
e6cc0bab
AZ		 1528 int tos, tos_mask, ttl, ttl_mask;
1529 struct flow_tnl tun_key, tun_key_mask;
1530 unsigned long long tun_id_mask;
35651d6a
JG		 1531 int n = -1;
1532
e6cc0bab
AZ		 1533 if (mask && sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF]/%llx,"
1534 "src="IP_SCAN_FMT"/"IP_SCAN_FMT",dst="IP_SCAN_FMT
1535 "/"IP_SCAN_FMT",tos=%i/%i,ttl=%i/%i,flags%n",
1536 tun_id_s, &tun_id_mask,
1537 IP_SCAN_ARGS(&tun_key.ip_src),
1538 IP_SCAN_ARGS(&tun_key_mask.ip_src),
1539 IP_SCAN_ARGS(&tun_key.ip_dst),
1540 IP_SCAN_ARGS(&tun_key_mask.ip_dst),
1541 &tos, &tos_mask, &ttl, &ttl_mask,
1542 &n) > 0 && n > 0) {
1543 int res;
1544 uint32_t flags;
1545
1546 tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0));
1547 tun_key_mask.tun_id = htonll(tun_id_mask);
1548 tun_key.ip_tos = tos;
1549 tun_key_mask.ip_tos = tos_mask;
1550 tun_key.ip_ttl = ttl;
1551 tun_key_mask.ip_ttl = ttl_mask;
1552 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
1553 tun_key.flags = flags;
1554 tun_key_mask.flags = UINT16_MAX;
1555
1556 if (res < 0) {
1557 return res;
1558 }
1559 n += res;
1560 if (s[n] != ')') {
1561 return -EINVAL;
1562 }
1563 n++;
1564 tun_key_to_attr(key, &tun_key);
1565 if (mask) {
1566 tun_key_to_attr(mask, &tun_key_mask);
1567 }
1568 return n;
1569 } else if (sscanf(s, "tunnel(tun_id=%31[x0123456789abcdefABCDEF],"
29c7a2b2
PS		 1570 "src="IP_SCAN_FMT",dst="IP_SCAN_FMT
1571 ",tos=%i,ttl=%i,flags%n", tun_id_s,
9b405f1a
PS		 1572 IP_SCAN_ARGS(&tun_key.ip_src),
1573 IP_SCAN_ARGS(&tun_key.ip_dst), &tos, &ttl,
35651d6a 1574 &n) > 0 && n > 0) {
29c7a2b2 1575 int res;
9b405f1a 1576 uint32_t flags;
29c7a2b2 1577
35651d6a 1578 tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0));
9b405f1a
PS		 1579 tun_key.ip_tos = tos;
1580 tun_key.ip_ttl = ttl;
1581 res = parse_flags(&s[n], flow_tun_flag_to_string, &flags);
e6cc0bab 1582 tun_key.flags = flags;
29c7a2b2 1583
29c7a2b2
PS		 1584 if (res < 0) {
1585 return res;
1586 }
1587 n += res;
1588 if (s[n] != ')') {
1589 return -EINVAL;
1590 }
1591 n++;
9b405f1a 1592 tun_key_to_attr(key, &tun_key);
e6cc0bab
AZ		 1593
1594 if (mask) {
1595 memset(&tun_key, 0xff, sizeof tun_key);
1596 tun_key_to_attr(mask, &tun_key);
1597 }
35651d6a
JG		 1598 return n;
1599 }
1600 }
1601
3bffc610
BP		 1602 {
1603 unsigned long long int in_port;
e6cc0bab 1604 unsigned long long int in_port_mask;
3bffc610
BP		 1605 int n = -1;
1606
e6cc0bab
AZ		 1607 if (mask && sscanf(s, "in_port(%lli/%lli)%n", &in_port,
1608 &in_port_mask, &n) > 0 && n > 0) {
1609 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
1610 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, in_port_mask);
1611 return n;
1612 } else if (sscanf(s, "in_port(%lli)%n", &in_port, &n) > 0 && n > 0) {
df2c07f4 1613 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
e6cc0bab
AZ		 1614 if (mask) {
1615 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1616 }
3bffc610
BP		 1617 return n;
1618 }
1619 }
1620
e6cc0bab 1621
b2a60db8
BP		 1622 if (port_names && !strncmp(s, "in_port(", 8)) {
1623 const char *name;
44bac24b 1624 const struct simap_node *node;
b2a60db8
BP		 1625 int name_len;
1626
1627 name = s + 8;
1628 name_len = strcspn(s, ")");
44bac24b 1629 node = simap_find_len(port_names, name, name_len);
b2a60db8 1630 if (node) {
44bac24b 1631 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
e6cc0bab
AZ		 1632
1633 if (mask) {
1634 nl_msg_put_u32(mask, OVS_KEY_ATTR_IN_PORT, UINT32_MAX);
1635 }
b2a60db8
BP		 1636 return 8 + name_len + 1;
1637 }
1638 }
1639
3bffc610 1640 {
df2c07f4 1641 struct ovs_key_ethernet eth_key;
e6cc0bab 1642 struct ovs_key_ethernet eth_key_mask;
3bffc610
BP		 1643 int n = -1;
1644
e6cc0bab
AZ		 1645 if (mask && sscanf(s,
1646 "eth(src="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
1647 "dst="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
1648 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1649 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_src),
1650 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst),
1651 ETH_ADDR_SCAN_ARGS(eth_key_mask.eth_dst), &n) > 0 && n > 0) {
1652
1653 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
1654 &eth_key, sizeof eth_key);
1655 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1656 &eth_key_mask, sizeof eth_key_mask);
1657 return n;
1658 } else if (sscanf(s,
3bffc610
BP		 1659 "eth(src="ETH_ADDR_SCAN_FMT",dst="ETH_ADDR_SCAN_FMT")%n",
1660 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
1661 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n) > 0 && n > 0) {
df2c07f4 1662 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
3bffc610 1663 &eth_key, sizeof eth_key);
e6cc0bab
AZ		 1664
1665 if (mask) {
1666 memset(&eth_key, 0xff, sizeof eth_key);
1667 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ETHERNET,
1668 &eth_key, sizeof eth_key);
1669 }
3bffc610
BP		 1670 return n;
1671 }
1672 }
1673
1674 {
e6cc0bab
AZ		 1675 uint16_t vid, vid_mask;
1676 int pcp, pcp_mask;
1677 int cfi, cfi_mask;
3bffc610
BP		 1678 int n = -1;
1679
e6cc0bab
AZ		 1680 if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i)%n",
1681 &vid, &vid_mask, &pcp, &pcp_mask, &n) > 0 && n > 0)) {
1682 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1683 htons((vid << VLAN_VID_SHIFT) |
1684 (pcp << VLAN_PCP_SHIFT) |
1685 VLAN_CFI));
1686 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1687 htons((vid_mask << VLAN_VID_SHIFT) |
1688 (pcp_mask << VLAN_PCP_SHIFT) |
1689 (1 << VLAN_CFI_SHIFT)));
1690 return n;
1691 } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i)%n",
1692 &vid, &pcp, &n) > 0 && n > 0)) {
fea393b1
BP		 1693 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1694 htons((vid << VLAN_VID_SHIFT) |
8ddc056d
BP		 1695 (pcp << VLAN_PCP_SHIFT) |
1696 VLAN_CFI));
e6cc0bab
AZ		 1697 if (mask) {
1698 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, htons(UINT16_MAX));
1699 }
1700 return n;
1701 } else if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i,cfi=%i/%i)%n",
1702 &vid, &vid_mask, &pcp, &pcp_mask, &cfi, &cfi_mask, &n) > 0 && n > 0)) {
1703 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1704 htons((vid << VLAN_VID_SHIFT) |
1705 (pcp << VLAN_PCP_SHIFT) |
1706 (cfi ? VLAN_CFI : 0)));
1707 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN,
1708 htons((vid_mask << VLAN_VID_SHIFT) |
1709 (pcp_mask << VLAN_PCP_SHIFT) |
1710 (cfi_mask << VLAN_CFI_SHIFT)));
8ddc056d
BP		 1711 return n;
1712 } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i,cfi=%i)%n",
e6cc0bab 1713 &vid, &pcp, &cfi, &n) > 0 && n > 0)) {
8ddc056d
BP		 1714 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
1715 htons((vid << VLAN_VID_SHIFT) |
1716 (pcp << VLAN_PCP_SHIFT) |
1717 (cfi ? VLAN_CFI : 0)));
e6cc0bab
AZ		 1718 if (mask) {
1719 nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, htons(UINT16_MAX));
1720 }
3bffc610
BP		 1721 return n;
1722 }
1723 }
1724
1725 {
fac2e516 1726 int eth_type;
e6cc0bab 1727 int eth_type_mask;
3bffc610
BP		 1728 int n = -1;
1729
e6cc0bab
AZ		 1730 if (mask && sscanf(s, "eth_type(%i/%i)%n",
1731 &eth_type, &eth_type_mask, &n) > 0 && n > 0) {
1732 if (eth_type != 0) {
1733 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
1734 }
1735 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type_mask));
1736 return n;
1737 } else if (sscanf(s, "eth_type(%i)%n", &eth_type, &n) > 0 && n > 0) {
df2c07f4 1738 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
e6cc0bab
AZ		 1739 if (mask) {
1740 nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE,
1741 htons(UINT16_MAX));
1742 }
3bffc610
BP		 1743 return n;
1744 }
1745 }
1746
b02475c5
SH		 1747 {
1748 int label, tc, ttl, bos;
e6cc0bab 1749 int label_mask, tc_mask, ttl_mask, bos_mask;
b02475c5
SH		 1750 int n = -1;
1751
e6cc0bab
AZ		 1752 if (mask && sscanf(s, "mpls(label=%"SCNi32"/%"SCNi32",tc=%i/%i,ttl=%i/%i,bos=%i/%i)%n",
1753 &label, &label_mask, &tc, &tc_mask, &ttl, &ttl_mask, &bos, &bos_mask, &n) > 0 && n > 0) {
1754 struct ovs_key_mpls *mpls, *mpls_mask;
1755
1756 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1757 sizeof *mpls);
1758 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
1759
1760 mpls_mask = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1761 sizeof *mpls_mask);
1762 mpls_mask->mpls_lse = mpls_lse_from_components(
1763 label_mask, tc_mask, ttl_mask, bos_mask);
1764 return n;
1765 } else if (sscanf(s, "mpls(label=%"SCNi32",tc=%i,ttl=%i,bos=%i)%n",
b02475c5
SH		 1766 &label, &tc, &ttl, &bos, &n) > 0 &&
1767 n > 0) {
1768 struct ovs_key_mpls *mpls;
1769
1770 mpls = nl_msg_put_unspec_uninit(key, OVS_KEY_ATTR_MPLS,
1771 sizeof *mpls);
20131cef 1772 mpls->mpls_lse = mpls_lse_from_components(label, tc, ttl, bos);
e6cc0bab
AZ		 1773 if (mask) {
1774 mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
1775 sizeof *mpls);
1776 mpls->mpls_lse = htonl(UINT32_MAX);
1777 }
b02475c5
SH		 1778 return n;
1779 }
1780 }
1781
e6cc0bab 1782
3bffc610 1783 {
e6cc0bab
AZ		 1784 ovs_be32 ipv4_src, ipv4_src_mask;
1785 ovs_be32 ipv4_dst, ipv4_dst_mask;
1786 int ipv4_proto, ipv4_proto_mask;
1787 int ipv4_tos, ipv4_tos_mask;
1788 int ipv4_ttl, ipv4_ttl_mask;
7257b535 1789 char frag[8];
e6cc0bab 1790 int ipv4_frag_mask;
7257b535 1791 enum ovs_frag_type ipv4_frag;
3bffc610
BP		 1792 int n = -1;
1793
e6cc0bab
AZ		 1794 if (mask && sscanf(s, "ipv4(src="IP_SCAN_FMT"/"IP_SCAN_FMT","
1795 "dst="IP_SCAN_FMT"/"IP_SCAN_FMT","
1796 "proto=%i/%i,tos=%i/%i,ttl=%i/%i,"
1797 "frag=%7[a-z]/%i)%n",
1798 IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_src_mask),
1799 IP_SCAN_ARGS(&ipv4_dst), IP_SCAN_ARGS(&ipv4_dst_mask),
1800 &ipv4_proto, &ipv4_proto_mask,
1801 &ipv4_tos, &ipv4_tos_mask, &ipv4_ttl, &ipv4_ttl_mask,
1802 frag, &ipv4_frag_mask, &n) > 0
1803 && n > 0
1804 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
1805 struct ovs_key_ipv4 ipv4_key;
1806 struct ovs_key_ipv4 ipv4_mask;
1807
1808 ipv4_key.ipv4_src = ipv4_src;
1809 ipv4_key.ipv4_dst = ipv4_dst;
1810 ipv4_key.ipv4_proto = ipv4_proto;
1811 ipv4_key.ipv4_tos = ipv4_tos;
1812 ipv4_key.ipv4_ttl = ipv4_ttl;
1813 ipv4_key.ipv4_frag = ipv4_frag;
1814 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
1815 &ipv4_key, sizeof ipv4_key);
1816
1817 ipv4_mask.ipv4_src = ipv4_src_mask;
1818 ipv4_mask.ipv4_dst = ipv4_dst_mask;
1819 ipv4_mask.ipv4_proto = ipv4_proto_mask;
1820 ipv4_mask.ipv4_tos = ipv4_tos_mask;
1821 ipv4_mask.ipv4_ttl = ipv4_ttl_mask;
1822 ipv4_mask.ipv4_frag = ipv4_frag_mask;
1823 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1824 &ipv4_mask, sizeof ipv4_mask);
1825 return n;
1826 } else if (sscanf(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT","
a61680c6 1827 "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n",
7257b535 1828 IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_dst),
a61680c6 1829 &ipv4_proto, &ipv4_tos, &ipv4_ttl, frag, &n) > 0
7257b535
BP		 1830 && n > 0
1831 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
df2c07f4 1832 struct ovs_key_ipv4 ipv4_key;
3bffc610 1833
3bffc610
BP		 1834 ipv4_key.ipv4_src = ipv4_src;
1835 ipv4_key.ipv4_dst = ipv4_dst;
1836 ipv4_key.ipv4_proto = ipv4_proto;
1837 ipv4_key.ipv4_tos = ipv4_tos;
a61680c6 1838 ipv4_key.ipv4_ttl = ipv4_ttl;
7257b535 1839 ipv4_key.ipv4_frag = ipv4_frag;
df2c07f4 1840 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
3bffc610 1841 &ipv4_key, sizeof ipv4_key);
e6cc0bab
AZ		 1842
1843 if (mask) {
1844 memset(&ipv4_key, 0xff, sizeof ipv4_key);
1845 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV4,
1846 &ipv4_key, sizeof ipv4_key);
1847 }
3bffc610
BP		 1848 return n;
1849 }
1850 }
1851
1852 {
1853 char ipv6_src_s[IPV6_SCAN_LEN + 1];
e6cc0bab 1854 char ipv6_src_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 1855 char ipv6_dst_s[IPV6_SCAN_LEN + 1];
e6cc0bab
AZ		 1856 char ipv6_dst_mask_s[IPV6_SCAN_LEN + 1];
1857 int ipv6_label, ipv6_label_mask;
1858 int ipv6_proto, ipv6_proto_mask;
1859 int ipv6_tclass, ipv6_tclass_mask;
1860 int ipv6_hlimit, ipv6_hlimit_mask;
7257b535
BP		 1861 char frag[8];
1862 enum ovs_frag_type ipv6_frag;
e6cc0bab 1863 int ipv6_frag_mask;
3bffc610
BP		 1864 int n = -1;
1865
e6cc0bab
AZ		 1866 if (mask && sscanf(s, "ipv6(src="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT",dst="
1867 IPV6_SCAN_FMT"/"IPV6_SCAN_FMT","
1868 "label=%i/%i,proto=%i/%i,tclass=%i/%i,"
1869 "hlimit=%i/%i,frag=%7[a-z]/%i)%n",
1870 ipv6_src_s, ipv6_src_mask_s, ipv6_dst_s, ipv6_dst_mask_s,
1871 &ipv6_label, &ipv6_label_mask, &ipv6_proto,
1872 &ipv6_proto_mask, &ipv6_tclass, &ipv6_tclass_mask,
1873 &ipv6_hlimit, &ipv6_hlimit_mask, frag,
1874 &ipv6_frag_mask, &n) > 0
1875 && n > 0
1876 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
1877 struct ovs_key_ipv6 ipv6_key;
1878 struct ovs_key_ipv6 ipv6_mask;
1879
1880 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
1881 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1 ||
1882 inet_pton(AF_INET6, ipv6_src_mask_s, &ipv6_mask.ipv6_src) != 1 ||
1883 inet_pton(AF_INET6, ipv6_dst_mask_s, &ipv6_mask.ipv6_dst) != 1) {
1884 return -EINVAL;
1885 }
1886
1887 ipv6_key.ipv6_label = htonl(ipv6_label);
1888 ipv6_key.ipv6_proto = ipv6_proto;
1889 ipv6_key.ipv6_tclass = ipv6_tclass;
1890 ipv6_key.ipv6_hlimit = ipv6_hlimit;
1891 ipv6_key.ipv6_frag = ipv6_frag;
1892 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
1893 &ipv6_key, sizeof ipv6_key);
1894
1895 ipv6_mask.ipv6_label = htonl(ipv6_label_mask);
1896 ipv6_mask.ipv6_proto = ipv6_proto_mask;
1897 ipv6_mask.ipv6_tclass = ipv6_tclass_mask;
1898 ipv6_mask.ipv6_hlimit = ipv6_hlimit_mask;
1899 ipv6_mask.ipv6_frag = ipv6_frag_mask;
1900 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
1901 &ipv6_mask, sizeof ipv6_mask);
1902 return n;
1903 } else if (sscanf(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT","
60258dcb 1904 "label=%i,proto=%i,tclass=%i,hlimit=%i,frag=%7[a-z])%n",
fa8223b7 1905 ipv6_src_s, ipv6_dst_s, &ipv6_label,
60258dcb 1906 &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n) > 0
7257b535
BP		 1907 && n > 0
1908 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
df2c07f4 1909 struct ovs_key_ipv6 ipv6_key;
3bffc610 1910
3bffc610
BP		 1911 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
1912 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) {
1913 return -EINVAL;
1914 }
fa8223b7 1915 ipv6_key.ipv6_label = htonl(ipv6_label);
3bffc610 1916 ipv6_key.ipv6_proto = ipv6_proto;
60258dcb 1917 ipv6_key.ipv6_tclass = ipv6_tclass;
a61680c6 1918 ipv6_key.ipv6_hlimit = ipv6_hlimit;
7257b535 1919 ipv6_key.ipv6_frag = ipv6_frag;
df2c07f4 1920 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
3bffc610 1921 &ipv6_key, sizeof ipv6_key);
e6cc0bab
AZ		 1922
1923 if (mask) {
1924 memset(&ipv6_key, 0xff, sizeof ipv6_key);
1925 nl_msg_put_unspec(mask, OVS_KEY_ATTR_IPV6,
1926 &ipv6_key, sizeof ipv6_key);
1927 }
3bffc610
BP		 1928 return n;
1929 }
1930 }
1931
1932 {
1933 int tcp_src;
1934 int tcp_dst;
e6cc0bab
AZ		 1935 int tcp_src_mask;
1936 int tcp_dst_mask;
3bffc610
BP		 1937 int n = -1;
1938
e6cc0bab
AZ		 1939 if (mask && sscanf(s, "tcp(src=%i/%i,dst=%i/%i)%n",
1940 &tcp_src, &tcp_src_mask, &tcp_dst, &tcp_dst_mask, &n) > 0
3bffc610 1941 && n > 0) {
df2c07f4 1942 struct ovs_key_tcp tcp_key;
e6cc0bab 1943 struct ovs_key_tcp tcp_mask;
3bffc610
BP		 1944
1945 tcp_key.tcp_src = htons(tcp_src);
1946 tcp_key.tcp_dst = htons(tcp_dst);
df2c07f4 1947 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
e6cc0bab
AZ		 1948
1949 tcp_mask.tcp_src = htons(tcp_src_mask);
1950 tcp_mask.tcp_dst = htons(tcp_dst_mask);
1951 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
1952 &tcp_mask, sizeof tcp_mask);
1953 return n;
1954 } else if (sscanf(s, "tcp(src=%i,dst=%i)%n",&tcp_src, &tcp_dst, &n) > 0
1955 && n > 0) {
1956 struct ovs_key_tcp tcp_key;
1957
1958 tcp_key.tcp_src = htons(tcp_src);
1959 tcp_key.tcp_dst = htons(tcp_dst);
1960 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
1961
1962 if (mask) {
1963 memset(&tcp_key, 0xff, sizeof tcp_key);
1964 nl_msg_put_unspec(mask, OVS_KEY_ATTR_TCP,
1965 &tcp_key, sizeof tcp_key);
1966 }
3bffc610
BP		 1967 return n;
1968 }
1969 }
1970
1971 {
1972 int udp_src;
1973 int udp_dst;
e6cc0bab
AZ		 1974 int udp_src_mask;
1975 int udp_dst_mask;
3bffc610
BP		 1976 int n = -1;
1977
e6cc0bab
AZ		 1978 if (mask && sscanf(s, "udp(src=%i/%i,dst=%i/%i)%n",
1979 &udp_src, &udp_src_mask,
1980 &udp_dst, &udp_dst_mask, &n) > 0 && n > 0) {
1981 struct ovs_key_udp udp_key;
1982 struct ovs_key_udp udp_mask;
1983
1984 udp_key.udp_src = htons(udp_src);
1985 udp_key.udp_dst = htons(udp_dst);
1986 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
1987
1988 udp_mask.udp_src = htons(udp_src_mask);
1989 udp_mask.udp_dst = htons(udp_dst_mask);
1990 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP,
1991 &udp_mask, sizeof udp_mask);
1992 return n;
1993 }
3bffc610
BP		 1994 if (sscanf(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n) > 0
1995 && n > 0) {
df2c07f4 1996 struct ovs_key_udp udp_key;
3bffc610
BP		 1997
1998 udp_key.udp_src = htons(udp_src);
1999 udp_key.udp_dst = htons(udp_dst);
df2c07f4 2000 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
e6cc0bab
AZ		 2001
2002 if (mask) {
2003 memset(&udp_key, 0xff, sizeof udp_key);
2004 nl_msg_put_unspec(mask, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
2005 }
3bffc610
BP		 2006 return n;
2007 }
2008 }
2009
2010 {
2011 int icmp_type;
2012 int icmp_code;
e6cc0bab
AZ		 2013 int icmp_type_mask;
2014 int icmp_code_mask;
3bffc610
BP		 2015 int n = -1;
2016
e6cc0bab
AZ		 2017 if (mask && sscanf(s, "icmp(type=%i/%i,code=%i/%i)%n",
2018 &icmp_type, &icmp_type_mask,
2019 &icmp_code, &icmp_code_mask, &n) > 0 && n > 0) {
2020 struct ovs_key_icmp icmp_key;
2021 struct ovs_key_icmp icmp_mask;
2022
2023 icmp_key.icmp_type = icmp_type;
2024 icmp_key.icmp_code = icmp_code;
2025 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
2026 &icmp_key, sizeof icmp_key);
2027
2028 icmp_mask.icmp_type = icmp_type_mask;
2029 icmp_mask.icmp_code = icmp_code_mask;
2030 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP,
2031 &icmp_mask, sizeof icmp_mask);
2032 return n;
2033 } else if (sscanf(s, "icmp(type=%i,code=%i)%n",
3bffc610
BP		 2034 &icmp_type, &icmp_code, &n) > 0
2035 && n > 0) {
df2c07f4 2036 struct ovs_key_icmp icmp_key;
3bffc610
BP		 2037
2038 icmp_key.icmp_type = icmp_type;
2039 icmp_key.icmp_code = icmp_code;
df2c07f4 2040 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
3bffc610 2041 &icmp_key, sizeof icmp_key);
e6cc0bab
AZ		 2042 if (mask) {
2043 memset(&icmp_key, 0xff, sizeof icmp_key);
2044 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMP, &icmp_key,
2045 sizeof icmp_key);
2046 }
3bffc610
BP		 2047 return n;
2048 }
2049 }
2050
2051 {
df2c07f4 2052 struct ovs_key_icmpv6 icmpv6_key;
e6cc0bab
AZ		 2053 struct ovs_key_icmpv6 icmpv6_mask;
2054 int icmpv6_type_mask;
2055 int icmpv6_code_mask;
3bffc610
BP		 2056 int n = -1;
2057
e6cc0bab
AZ		 2058 if (mask && sscanf(s, "icmpv6(type=%"SCNi8"/%i,code=%"SCNi8"/%i)%n",
2059 &icmpv6_key.icmpv6_type, &icmpv6_type_mask,
2060 &icmpv6_key.icmpv6_code, &icmpv6_code_mask, &n) > 0
2061 && n > 0) {
2062 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
2063 &icmpv6_key, sizeof icmpv6_key);
2064
2065 icmpv6_mask.icmpv6_type = icmpv6_type_mask;
2066 icmpv6_mask.icmpv6_code = icmpv6_code_mask;
2067 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_mask,
2068 sizeof icmpv6_mask);
2069 return n;
2070 } else if (sscanf(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n",
3bffc610
BP		 2071 &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,&n) > 0
2072 && n > 0) {
df2c07f4 2073 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
3bffc610 2074 &icmpv6_key, sizeof icmpv6_key);
e6cc0bab
AZ		 2075
2076 if (mask) {
2077 memset(&icmpv6_key, 0xff, sizeof icmpv6_key);
2078 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ICMPV6, &icmpv6_key,
2079 sizeof icmpv6_key);
2080 }
3bffc610
BP		 2081 return n;
2082 }
2083 }
2084
2085 {
e6cc0bab
AZ		 2086 ovs_be32 arp_sip, arp_sip_mask;
2087 ovs_be32 arp_tip, arp_tip_mask;
2088 int arp_op, arp_op_mask;
3bffc610 2089 uint8_t arp_sha[ETH_ADDR_LEN];
e6cc0bab 2090 uint8_t arp_sha_mask[ETH_ADDR_LEN];
3bffc610 2091 uint8_t arp_tha[ETH_ADDR_LEN];
e6cc0bab 2092 uint8_t arp_tha_mask[ETH_ADDR_LEN];
3bffc610
BP		 2093 int n = -1;
2094
e6cc0bab
AZ		 2095 if (mask && sscanf(s, "arp(sip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2096 "tip="IP_SCAN_FMT"/"IP_SCAN_FMT","
2097 "op=%i/%i,sha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2098 "tha="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2099 IP_SCAN_ARGS(&arp_sip), IP_SCAN_ARGS(&arp_sip_mask),
2100 IP_SCAN_ARGS(&arp_tip), IP_SCAN_ARGS(&arp_tip_mask),
2101 &arp_op, &arp_op_mask,
2102 ETH_ADDR_SCAN_ARGS(arp_sha),
2103 ETH_ADDR_SCAN_ARGS(arp_sha_mask),
2104 ETH_ADDR_SCAN_ARGS(arp_tha),
2105 ETH_ADDR_SCAN_ARGS(arp_tha_mask), &n) > 0 && n > 0) {
2106 struct ovs_key_arp arp_key;
2107 struct ovs_key_arp arp_mask;
2108
2109 memset(&arp_key, 0, sizeof arp_key);
2110 arp_key.arp_sip = arp_sip;
2111 arp_key.arp_tip = arp_tip;
2112 arp_key.arp_op = htons(arp_op);
2113 memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN);
2114 memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN);
2115 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
2116
2117 arp_mask.arp_sip = arp_sip_mask;
2118 arp_mask.arp_tip = arp_tip_mask;
2119 arp_mask.arp_op = htons(arp_op_mask);
2120 memcpy(arp_mask.arp_sha, arp_sha_mask, ETH_ADDR_LEN);
2121 memcpy(arp_mask.arp_tha, arp_tha_mask, ETH_ADDR_LEN);
2122 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2123 &arp_mask, sizeof arp_mask);
2124 return n;
2125 } else if (sscanf(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT","
3bffc610
BP		 2126 "op=%i,sha="ETH_ADDR_SCAN_FMT",tha="ETH_ADDR_SCAN_FMT")%n",
2127 IP_SCAN_ARGS(&arp_sip),
2128 IP_SCAN_ARGS(&arp_tip),
2129 &arp_op,
2130 ETH_ADDR_SCAN_ARGS(arp_sha),
2131 ETH_ADDR_SCAN_ARGS(arp_tha), &n) > 0 && n > 0) {
df2c07f4 2132 struct ovs_key_arp arp_key;
3bffc610
BP		 2133
2134 memset(&arp_key, 0, sizeof arp_key);
2135 arp_key.arp_sip = arp_sip;
2136 arp_key.arp_tip = arp_tip;
2137 arp_key.arp_op = htons(arp_op);
2138 memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN);
2139 memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN);
df2c07f4 2140 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
e6cc0bab
AZ		 2141
2142 if (mask) {
2143 memset(&arp_key, 0xff, sizeof arp_key);
2144 nl_msg_put_unspec(mask, OVS_KEY_ATTR_ARP,
2145 &arp_key, sizeof arp_key);
2146 }
3bffc610
BP		 2147 return n;
2148 }
2149 }
2150
2151 {
2152 char nd_target_s[IPV6_SCAN_LEN + 1];
e6cc0bab 2153 char nd_target_mask_s[IPV6_SCAN_LEN + 1];
3bffc610 2154 uint8_t nd_sll[ETH_ADDR_LEN];
e6cc0bab 2155 uint8_t nd_sll_mask[ETH_ADDR_LEN];
3bffc610 2156 uint8_t nd_tll[ETH_ADDR_LEN];
e6cc0bab 2157 uint8_t nd_tll_mask[ETH_ADDR_LEN];
3bffc610
BP		 2158 int n = -1;
2159
dc8c5408
AZ		 2160 nd_target_mask_s[0] = 0;
2161 memset(nd_sll_mask, 0xff, sizeof nd_sll_mask);
2162 memset(nd_tll_mask, 0xff, sizeof nd_tll_mask);
e6cc0bab
AZ		 2163
2164 if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n",
2165 nd_target_s, nd_target_mask_s, &n) > 0 && n > 0) {
2166 put_nd_key(n, nd_target_s, NULL, NULL, key);
dc8c5408 2167 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
e6cc0bab 2168 } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT")%n",
3bffc610 2169 nd_target_s, &n) > 0 && n > 0) {
e6cc0bab
AZ		 2170 put_nd_key(n, nd_target_s, NULL, NULL, key);
2171 if (mask) {
dc8c5408 2172 put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
e6cc0bab
AZ		 2173 }
2174 } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2175 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2176 nd_target_s, nd_target_mask_s,
2177 ETH_ADDR_SCAN_ARGS(nd_sll),
2178 ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n) > 0 && n > 0) {
2179 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
dc8c5408 2180 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
e6cc0bab 2181 } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT")%n",
3bffc610
BP		 2182 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n) > 0
2183 && n > 0) {
e6cc0bab
AZ		 2184 put_nd_key(n, nd_target_s, nd_sll, NULL, key);
2185 if (mask) {
dc8c5408 2186 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
e6cc0bab
AZ		 2187 }
2188 } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2189 ",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2190 nd_target_s, nd_target_mask_s,
2191 ETH_ADDR_SCAN_ARGS(nd_tll),
2192 ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n) > 0 && n > 0) {
2193 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
dc8c5408 2194 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
e6cc0bab 2195 } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",tll="ETH_ADDR_SCAN_FMT")%n",
3bffc610
BP		 2196 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
2197 && n > 0) {
e6cc0bab
AZ		 2198 put_nd_key(n, nd_target_s, NULL, nd_tll, key);
2199 if (mask) {
dc8c5408 2200 put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
e6cc0bab
AZ		 2201 }
2202 } else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
2203 ",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
2204 "tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
2205 nd_target_s, nd_target_mask_s,
2206 ETH_ADDR_SCAN_ARGS(nd_sll), ETH_ADDR_SCAN_ARGS(nd_sll_mask),
2207 ETH_ADDR_SCAN_ARGS(nd_tll), ETH_ADDR_SCAN_ARGS(nd_tll_mask),
2208 &n) > 0
2209 && n > 0) {
2210 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
dc8c5408 2211 put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
e6cc0bab 2212 } else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT","
3bffc610
BP		 2213 "tll="ETH_ADDR_SCAN_FMT")%n",
2214 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
2215 ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
2216 && n > 0) {
e6cc0bab
AZ		 2217 put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
2218 if (mask) {
dc8c5408
AZ		 2219 put_nd_mask(n, nd_target_mask_s,
2220 nd_sll_mask, nd_tll_mask, mask);
e6cc0bab 2221 }
3bffc610 2222 }
e6cc0bab
AZ		 2223
2224 if (n != -1)
2225 return n;
2226
3bffc610
BP		 2227 }
2228
fea393b1
BP		 2229 if (!strncmp(s, "encap(", 6)) {
2230 const char *start = s;
e6cc0bab 2231 size_t encap, encap_mask = 0;
fea393b1
BP		 2232
2233 encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP);
e6cc0bab
AZ		 2234 if (mask) {
2235 encap_mask = nl_msg_start_nested(mask, OVS_KEY_ATTR_ENCAP);
2236 }
fea393b1
BP		 2237
2238 s += 6;
2239 for (;;) {
2240 int retval;
2241
2242 s += strspn(s, ", \t\r\n");
2243 if (!*s) {
2244 return -EINVAL;
2245 } else if (*s == ')') {
2246 break;
2247 }
2248
e6cc0bab 2249 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
fea393b1
BP		 2250 if (retval < 0) {
2251 return retval;
2252 }
2253 s += retval;
2254 }
2255 s++;
2256
2257 nl_msg_end_nested(key, encap);
e6cc0bab
AZ		 2258 if (mask) {
2259 nl_msg_end_nested(mask, encap_mask);
2260 }
fea393b1
BP		 2261
2262 return s - start;
2263 }
2264
3bffc610
BP		 2265 return -EINVAL;
2266}
2267
df2c07f4
JP		 2268/* Parses the string representation of a datapath flow key, in the
2269 * format output by odp_flow_key_format(). Returns 0 if successful,
2270 * otherwise a positive errno value. On success, the flow key is
2271 * appended to 'key' as a series of Netlink attributes. On failure, no
2272 * data is appended to 'key'. Either way, 'key''s data might be
2273 * reallocated.
3bffc610 2274 *
44bac24b
BP		 2275 * If 'port_names' is nonnull, it points to an simap that maps from a port name
2276 * to a port number. (Port names may be used instead of port numbers in
2277 * in_port.)
b2a60db8 2278 *
3bffc610
BP		 2279 * On success, the attributes appended to 'key' are individually syntactically
2280 * valid, but they may not be valid as a sequence. 'key' might, for example,
34118cae 2281 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
3bffc610 2282int
e6cc0bab
AZ		 2283odp_flow_from_string(const char *s, const struct simap *port_names,
2284 struct ofpbuf *key, struct ofpbuf *mask)
3bffc610
BP		 2285{
2286 const size_t old_size = key->size;
2287 for (;;) {
2288 int retval;
2289
7202cbe5 2290 s += strspn(s, delimiters);
3bffc610
BP		 2291 if (!*s) {
2292 return 0;
2293 }
2294
e6cc0bab 2295 retval = parse_odp_key_mask_attr(s, port_names, key, mask);
3bffc610
BP		 2296 if (retval < 0) {
2297 key->size = old_size;
2298 return -retval;
2299 }
2300 s += retval;
2301 }
2302
2303 return 0;
2304}
2305
7257b535 2306static uint8_t
c4f2731d 2307ovs_to_odp_frag(uint8_t nw_frag)
7257b535 2308{
c4f2731d
PS		 2309 return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE
2310 : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
2311 : OVS_FRAG_TYPE_LATER);
7257b535
BP		 2312}
2313
661cbcd5
JP		 2314static void
2315odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *data,
2316 const struct flow *flow, odp_port_t odp_in_port)
14608a15 2317{
661cbcd5 2318 bool is_mask;
df2c07f4 2319 struct ovs_key_ethernet *eth_key;
fea393b1 2320 size_t encap;
36956a7d 2321
661cbcd5
JP		 2322 /* We assume that if 'data' and 'flow' are not the same, we should
2323 * treat 'data' as a mask. */
2324 is_mask = (data != flow);
2325
deedf7e7 2326 if (flow->skb_priority) {
661cbcd5 2327 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
abff858b
PS		 2328 }
2329
05fb0928 2330 if (flow->tunnel.ip_dst) {
661cbcd5 2331 tun_key_to_attr(buf, &data->tunnel);
36956a7d
BP		 2332 }
2333
72e8bf28 2334 if (flow->skb_mark) {
661cbcd5 2335 nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->skb_mark);
72e8bf28
AA		 2336 }
2337
661cbcd5
JP		 2338 /* Add an ingress port attribute if this is a mask or 'odp_in_port'
2339 * is not the magical value "ODPP_NONE". */
2340 if (is_mask || odp_in_port != ODPP_NONE) {
4e022ec0 2341 nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
18886b60 2342 }
36956a7d 2343
df2c07f4 2344 eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
36956a7d 2345 sizeof *eth_key);
661cbcd5
JP		 2346 memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN);
2347 memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN);
36956a7d 2348
8ddc056d 2349 if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
bed7d6a1
JP		 2350 if (is_mask) {
2351 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(UINT16_MAX));
2352 } else {
2353 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
2354 }
661cbcd5 2355 nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci);
fea393b1 2356 encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
8ddc056d
BP		 2357 if (flow->vlan_tci == htons(0)) {
2358 goto unencap;
2359 }
fea393b1
BP		 2360 } else {
2361 encap = 0;
36956a7d
BP		 2362 }
2363
2364 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
661cbcd5
JP		 2365 /* For backwards compatibility with kernels that don't support
2366 * wildcarding, the following convention is used to encode the
2367 * OVS_KEY_ATTR_ETHERTYPE for key and mask:
2368 *
2369 * key mask matches
2370 * -------- -------- -------
2371 * >0x5ff 0xffff Specified Ethernet II Ethertype.
2372 * >0x5ff 0 Any Ethernet II or non-Ethernet II frame.
2373 * <none> 0xffff Any non-Ethernet II frame (except valid
2374 * 802.3 SNAP packet with valid eth_type).
2375 */
2376 if (is_mask) {
48432528 2377 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(UINT16_MAX));
661cbcd5 2378 }
fea393b1 2379 goto unencap;
36956a7d
BP		 2380 }
2381
661cbcd5 2382 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type);
36956a7d
BP		 2383
2384 if (flow->dl_type == htons(ETH_TYPE_IP)) {
df2c07f4 2385 struct ovs_key_ipv4 *ipv4_key;
36956a7d 2386
df2c07f4 2387 ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
36956a7d 2388 sizeof *ipv4_key);
661cbcd5
JP		 2389 ipv4_key->ipv4_src = data->nw_src;
2390 ipv4_key->ipv4_dst = data->nw_dst;
2391 ipv4_key->ipv4_proto = data->nw_proto;
2392 ipv4_key->ipv4_tos = data->nw_tos;
2393 ipv4_key->ipv4_ttl = data->nw_ttl;
2394 ipv4_key->ipv4_frag = ovs_to_odp_frag(data->nw_frag);
d31f1109 2395 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
df2c07f4 2396 struct ovs_key_ipv6 *ipv6_key;
d31f1109 2397
df2c07f4 2398 ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
d31f1109 2399 sizeof *ipv6_key);
661cbcd5
JP		 2400 memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src);
2401 memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst);
2402 ipv6_key->ipv6_label = data->ipv6_label;
2403 ipv6_key->ipv6_proto = data->nw_proto;
2404 ipv6_key->ipv6_tclass = data->nw_tos;
2405 ipv6_key->ipv6_hlimit = data->nw_ttl;
eadef313 2406 ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag);
8087f5ff
MM		 2407 } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
2408 flow->dl_type == htons(ETH_TYPE_RARP)) {
df2c07f4 2409 struct ovs_key_arp *arp_key;
d31f1109 2410
df2c07f4 2411 arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP,
d31f1109 2412 sizeof *arp_key);
535d6987 2413 memset(arp_key, 0, sizeof *arp_key);
661cbcd5
JP		 2414 arp_key->arp_sip = data->nw_src;
2415 arp_key->arp_tip = data->nw_dst;
2416 arp_key->arp_op = htons(data->nw_proto);
2417 memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN);
2418 memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN);
d31f1109 2419 }
b53055f4 2420
b02475c5
SH		 2421 if (flow->mpls_depth) {
2422 struct ovs_key_mpls *mpls_key;
2423
2424 mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS,
2425 sizeof *mpls_key);
661cbcd5 2426 mpls_key->mpls_lse = data->mpls_lse;
b02475c5
SH		 2427 }
2428
48cecbdc 2429 if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
6767a2cc 2430 if (flow->nw_proto == IPPROTO_TCP) {
df2c07f4 2431 struct ovs_key_tcp *tcp_key;
36956a7d 2432
df2c07f4 2433 tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
36956a7d 2434 sizeof *tcp_key);
661cbcd5
JP		 2435 tcp_key->tcp_src = data->tp_src;
2436 tcp_key->tcp_dst = data->tp_dst;
6767a2cc 2437 } else if (flow->nw_proto == IPPROTO_UDP) {
df2c07f4 2438 struct ovs_key_udp *udp_key;
36956a7d 2439
df2c07f4 2440 udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
36956a7d 2441 sizeof *udp_key);
661cbcd5
JP		 2442 udp_key->udp_src = data->tp_src;
2443 udp_key->udp_dst = data->tp_dst;
d31f1109
JP		 2444 } else if (flow->dl_type == htons(ETH_TYPE_IP)
2445 && flow->nw_proto == IPPROTO_ICMP) {
df2c07f4 2446 struct ovs_key_icmp *icmp_key;
36956a7d 2447
df2c07f4 2448 icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
36956a7d 2449 sizeof *icmp_key);
661cbcd5
JP		 2450 icmp_key->icmp_type = ntohs(data->tp_src);
2451 icmp_key->icmp_code = ntohs(data->tp_dst);
d31f1109
JP		 2452 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
2453 && flow->nw_proto == IPPROTO_ICMPV6) {
df2c07f4 2454 struct ovs_key_icmpv6 *icmpv6_key;
d31f1109 2455
df2c07f4 2456 icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
d31f1109 2457 sizeof *icmpv6_key);
661cbcd5
JP		 2458 icmpv6_key->icmpv6_type = ntohs(data->tp_src);
2459 icmpv6_key->icmpv6_code = ntohs(data->tp_dst);
685a51a5
JP		 2460
2461 if (icmpv6_key->icmpv6_type == ND_NEIGHBOR_SOLICIT
2462 || icmpv6_key->icmpv6_type == ND_NEIGHBOR_ADVERT) {
df2c07f4 2463 struct ovs_key_nd *nd_key;
685a51a5 2464
df2c07f4 2465 nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
685a51a5 2466 sizeof *nd_key);
661cbcd5 2467 memcpy(nd_key->nd_target, &data->nd_target,
685a51a5 2468 sizeof nd_key->nd_target);
661cbcd5
JP		 2469 memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN);
2470 memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN);
685a51a5 2471 }
36956a7d 2472 }
36956a7d 2473 }
fea393b1
BP		 2474
2475unencap:
2476 if (encap) {
2477 nl_msg_end_nested(buf, encap);
2478 }
36956a7d 2479}
661cbcd5
JP		 2480
2481/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
2482 * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
2483 * number rather than a datapath port number). Instead, if 'odp_in_port'
2484 * is anything other than ODPP_NONE, it is included in 'buf' as the input
2485 * port.
2486 *
2487 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2488 * capable of being expanded to allow for that much space. */
2489void
2490odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
2491 odp_port_t odp_in_port)
2492{
2493 odp_flow_key_from_flow__(buf, flow, flow, odp_in_port);
2494}
2495
2496/* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to
2497 * 'buf'. 'flow' is used as a template to determine how to interpret
2498 * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but
2499 * it doesn't indicate whether the other fields should be interpreted as
2500 * ARP, IPv4, IPv6, etc.
2501 *
2502 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2503 * capable of being expanded to allow for that much space. */
2504void
2505odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask,
2506 const struct flow *flow, uint32_t odp_in_port_mask)
2507{
2508 odp_flow_key_from_flow__(buf, mask, flow, u32_to_odp(odp_in_port_mask));
2509}
36956a7d 2510
b0f7b9b5
BP		 2511uint32_t
2512odp_flow_key_hash(const struct nlattr *key, size_t key_len)
2513{
2514 BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
db5a1019
AW		 2515 return hash_words(ALIGNED_CAST(const uint32_t *, key),
2516 key_len / sizeof(uint32_t), 0);
b0f7b9b5
BP		 2517}
2518
34118cae
BP		 2519static void
2520log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title,
b0f7b9b5 2521 uint64_t attrs, int out_of_range_attr,
34118cae
BP		 2522 const struct nlattr *key, size_t key_len)
2523{
2524 struct ds s;
2525 int i;
2526
b0f7b9b5 2527 if (VLOG_DROP_DBG(rl)) {
34118cae
BP		 2528 return;
2529 }
2530
2531 ds_init(&s);
b0f7b9b5
BP		 2532 for (i = 0; i < 64; i++) {
2533 if (attrs & (UINT64_C(1) << i)) {
e6603631
BP		 2534 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2535
2536 ds_put_format(&s, " %s",
2537 ovs_key_attr_to_string(i, namebuf, sizeof namebuf));
34118cae
BP		 2538 }
2539 }
b0f7b9b5
BP		 2540 if (out_of_range_attr) {
2541 ds_put_format(&s, " %d (and possibly others)", out_of_range_attr);
2542 }
34118cae
BP		 2543
2544 ds_put_cstr(&s, ": ");
2545 odp_flow_key_format(key, key_len, &s);
2546
b0f7b9b5 2547 VLOG_DBG("%s:%s", title, ds_cstr(&s));
34118cae
BP		 2548 ds_destroy(&s);
2549}
2550
7257b535 2551static bool
9e44d715 2552odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow)
7257b535 2553{
34118cae
BP		 2554 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2555
9e44d715 2556 if (odp_frag > OVS_FRAG_TYPE_LATER) {
b0f7b9b5 2557 VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag);
7257b535
BP		 2558 return false;
2559 }
2560
7257b535 2561 if (odp_frag != OVS_FRAG_TYPE_NONE) {
eadef313 2562 flow->nw_frag |= FLOW_NW_FRAG_ANY;
7257b535 2563 if (odp_frag == OVS_FRAG_TYPE_LATER) {
eadef313 2564 flow->nw_frag |= FLOW_NW_FRAG_LATER;
7257b535
BP		 2565 }
2566 }
2567 return true;
2568}
2569
b0f7b9b5 2570static bool
fea393b1 2571parse_flow_nlattrs(const struct nlattr *key, size_t key_len,
b0f7b9b5
BP		 2572 const struct nlattr *attrs[], uint64_t *present_attrsp,
2573 int *out_of_range_attrp)
36956a7d 2574{
b0f7b9b5 2575 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
36956a7d 2576 const struct nlattr *nla;
34118cae 2577 uint64_t present_attrs;
36956a7d
BP		 2578 size_t left;
2579
2aef1214 2580 BUILD_ASSERT(OVS_KEY_ATTR_MAX < CHAR_BIT * sizeof present_attrs);
34118cae 2581 present_attrs = 0;
b0f7b9b5 2582 *out_of_range_attrp = 0;
36956a7d 2583 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
34118cae
BP		 2584 uint16_t type = nl_attr_type(nla);
2585 size_t len = nl_attr_get_size(nla);
2586 int expected_len = odp_flow_key_attr_len(type);
2587
b0f7b9b5 2588 if (len != expected_len && expected_len >= 0) {
e6603631
BP		 2589 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2590
b0f7b9b5 2591 VLOG_ERR_RL(&rl, "attribute %s has length %zu but should have "
e6603631
BP		 2592 "length %d", ovs_key_attr_to_string(type, namebuf,
2593 sizeof namebuf),
b0f7b9b5
BP		 2594 len, expected_len);
2595 return false;
34118cae
BP		 2596 }
2597
2aef1214 2598 if (type > OVS_KEY_ATTR_MAX) {
b0f7b9b5
BP		 2599 *out_of_range_attrp = type;
2600 } else {
2601 if (present_attrs & (UINT64_C(1) << type)) {
e6603631
BP		 2602 char namebuf[OVS_KEY_ATTR_BUFSIZE];
2603
b0f7b9b5 2604 VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key",
e6603631
BP		 2605 ovs_key_attr_to_string(type,
2606 namebuf, sizeof namebuf));
b0f7b9b5
BP		 2607 return false;
2608 }
2609
2610 present_attrs |= UINT64_C(1) << type;
2611 attrs[type] = nla;
2612 }
34118cae
BP		 2613 }
2614 if (left) {
2615 VLOG_ERR_RL(&rl, "trailing garbage in flow key");
b0f7b9b5 2616 return false;
34118cae
BP		 2617 }
2618
fea393b1 2619 *present_attrsp = present_attrs;
b0f7b9b5 2620 return true;
fea393b1
BP		 2621}
2622
b0f7b9b5
BP		 2623static enum odp_key_fitness
2624check_expectations(uint64_t present_attrs, int out_of_range_attr,
2625 uint64_t expected_attrs,
fea393b1
BP		 2626 const struct nlattr *key, size_t key_len)
2627{
2628 uint64_t missing_attrs;
2629 uint64_t extra_attrs;
2630
2631 missing_attrs = expected_attrs & ~present_attrs;
2632 if (missing_attrs) {
b0f7b9b5
BP		 2633 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2634 log_odp_key_attributes(&rl, "expected but not present",
2635 missing_attrs, 0, key, key_len);
2636 return ODP_FIT_TOO_LITTLE;
fea393b1
BP		 2637 }
2638
2639 extra_attrs = present_attrs & ~expected_attrs;
b0f7b9b5
BP		 2640 if (extra_attrs || out_of_range_attr) {
2641 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
2642 log_odp_key_attributes(&rl, "present but not expected",
2643 extra_attrs, out_of_range_attr, key, key_len);
2644 return ODP_FIT_TOO_MUCH;
fea393b1
BP		 2645 }
2646
b0f7b9b5 2647 return ODP_FIT_PERFECT;
fea393b1
BP		 2648}
2649
b0f7b9b5
BP		 2650static bool
2651parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2652 uint64_t present_attrs, uint64_t *expected_attrs,
2653 struct flow *flow)
fea393b1
BP		 2654{
2655 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
36956a7d 2656
fea393b1 2657 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
34118cae
BP		 2658 flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
2659 if (ntohs(flow->dl_type) < 1536) {
2660 VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
2661 ntohs(flow->dl_type));
b0f7b9b5 2662 return false;
34118cae 2663 }
b0f7b9b5 2664 *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
34118cae
BP		 2665 } else {
2666 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
2667 }
b0f7b9b5
BP		 2668 return true;
2669}
2670
2671static enum odp_key_fitness
b02475c5
SH		 2672parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2673 uint64_t present_attrs, int out_of_range_attr,
2674 uint64_t expected_attrs, struct flow *flow,
2675 const struct nlattr *key, size_t key_len)
b0f7b9b5
BP		 2676{
2677 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
36956a7d 2678
b02475c5 2679 if (eth_type_mpls(flow->dl_type)) {
b02475c5
SH		 2680 expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
2681
b02475c5
SH		 2682 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
2683 return ODP_FIT_TOO_LITTLE;
2684 }
2685 flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
2686 flow->mpls_depth++;
cff78c88 2687 } else if (flow->dl_type == htons(ETH_TYPE_IP)) {
34118cae 2688 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
fea393b1 2689 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
34118cae 2690 const struct ovs_key_ipv4 *ipv4_key;
36956a7d 2691
34118cae 2692 ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]);
36956a7d
BP		 2693 flow->nw_src = ipv4_key->ipv4_src;
2694 flow->nw_dst = ipv4_key->ipv4_dst;
2695 flow->nw_proto = ipv4_key->ipv4_proto;
eadef313 2696 flow->nw_tos = ipv4_key->ipv4_tos;
a61680c6 2697 flow->nw_ttl = ipv4_key->ipv4_ttl;
9e44d715 2698 if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
b0f7b9b5 2699 return ODP_FIT_ERROR;
36956a7d 2700 }
34118cae 2701 }
cff78c88 2702 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
34118cae 2703 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
fea393b1 2704 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
34118cae 2705 const struct ovs_key_ipv6 *ipv6_key;
36956a7d 2706
34118cae 2707 ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]);
d31f1109
JP		 2708 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
2709 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
fa8223b7 2710 flow->ipv6_label = ipv6_key->ipv6_label;
d31f1109 2711 flow->nw_proto = ipv6_key->ipv6_proto;
eadef313 2712 flow->nw_tos = ipv6_key->ipv6_tclass;
a61680c6 2713 flow->nw_ttl = ipv6_key->ipv6_hlimit;
9e44d715 2714 if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
b0f7b9b5 2715 return ODP_FIT_ERROR;
d31f1109 2716 }
34118cae 2717 }
cff78c88
SH		 2718 } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
2719 flow->dl_type == htons(ETH_TYPE_RARP)) {
34118cae 2720 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
fea393b1 2721 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
34118cae 2722 const struct ovs_key_arp *arp_key;
d31f1109 2723
34118cae 2724 arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
36956a7d
BP		 2725 flow->nw_src = arp_key->arp_sip;
2726 flow->nw_dst = arp_key->arp_tip;
2727 if (arp_key->arp_op & htons(0xff00)) {
34118cae
BP		 2728 VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
2729 "key", ntohs(arp_key->arp_op));
b0f7b9b5 2730 return ODP_FIT_ERROR;
36956a7d
BP		 2731 }
2732 flow->nw_proto = ntohs(arp_key->arp_op);
bad68a99
JP		 2733 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
2734 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
36956a7d 2735 }
36956a7d 2736 }
36956a7d 2737
34118cae 2738 if (flow->nw_proto == IPPROTO_TCP
cff78c88
SH		 2739 && (flow->dl_type == htons(ETH_TYPE_IP) ||
2740 flow->dl_type == htons(ETH_TYPE_IPV6))
34118cae
BP		 2741 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
2742 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
fea393b1 2743 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
34118cae 2744 const struct ovs_key_tcp *tcp_key;
36956a7d 2745
34118cae
BP		 2746 tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
2747 flow->tp_src = tcp_key->tcp_src;
2748 flow->tp_dst = tcp_key->tcp_dst;
7257b535 2749 }
34118cae 2750 } else if (flow->nw_proto == IPPROTO_UDP
cff78c88
SH		 2751 && (flow->dl_type == htons(ETH_TYPE_IP) ||
2752 flow->dl_type == htons(ETH_TYPE_IPV6))
34118cae
BP		 2753 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
2754 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
fea393b1 2755 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
34118cae
BP		 2756 const struct ovs_key_udp *udp_key;
2757
2758 udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
2759 flow->tp_src = udp_key->udp_src;
2760 flow->tp_dst = udp_key->udp_dst;
d31f1109 2761 }
34118cae 2762 } else if (flow->nw_proto == IPPROTO_ICMP
cff78c88 2763 && flow->dl_type == htons(ETH_TYPE_IP)
34118cae
BP		 2764 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
2765 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
fea393b1 2766 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
34118cae
BP		 2767 const struct ovs_key_icmp *icmp_key;
2768
2769 icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
2770 flow->tp_src = htons(icmp_key->icmp_type);
2771 flow->tp_dst = htons(icmp_key->icmp_code);
685a51a5 2772 }
34118cae 2773 } else if (flow->nw_proto == IPPROTO_ICMPV6
cff78c88 2774 && flow->dl_type == htons(ETH_TYPE_IPV6)
34118cae
BP		 2775 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
2776 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
fea393b1 2777 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
34118cae
BP		 2778 const struct ovs_key_icmpv6 *icmpv6_key;
2779
2780 icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
2781 flow->tp_src = htons(icmpv6_key->icmpv6_type);
2782 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
685a51a5 2783
34118cae
BP		 2784 if (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
2785 flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) {
2786 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
fea393b1 2787 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
34118cae
BP		 2788 const struct ovs_key_nd *nd_key;
2789
2790 nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]);
2791 memcpy(&flow->nd_target, nd_key->nd_target,
2792 sizeof flow->nd_target);
2793 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
2794 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
2795 }
2796 }
7257b535 2797 }
34118cae 2798 }
7257b535 2799
b0f7b9b5
BP		 2800 return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
2801 key, key_len);
2802}
2803
2804/* Parse 802.1Q header then encapsulated L3 attributes. */
2805static enum odp_key_fitness
2806parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
2807 uint64_t present_attrs, int out_of_range_attr,
2808 uint64_t expected_attrs, struct flow *flow,
2809 const struct nlattr *key, size_t key_len)
2810{
2811 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2812
2813 const struct nlattr *encap
2814 = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
2815 ? attrs[OVS_KEY_ATTR_ENCAP] : NULL);
2816 enum odp_key_fitness encap_fitness;
2817 enum odp_key_fitness fitness;
2818 ovs_be16 tci;
2819
ec9f40dc 2820 /* Calculate fitness of outer attributes. */
b0f7b9b5
BP		 2821 expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
2822 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
2823 fitness = check_expectations(present_attrs, out_of_range_attr,
2824 expected_attrs, key, key_len);
2825
2826 /* Get the VLAN TCI value. */
2827 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
2828 return ODP_FIT_TOO_LITTLE;
2829 }
2830 tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
2831 if (tci == htons(0)) {
2832 /* Corner case for a truncated 802.1Q header. */
2833 if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
2834 return ODP_FIT_TOO_MUCH;
2835 }
2836 return fitness;
2837 } else if (!(tci & htons(VLAN_CFI))) {
2838 VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
2839 "but CFI bit is not set", ntohs(tci));
2840 return ODP_FIT_ERROR;
2841 }
2842
2843 /* Set vlan_tci.
2844 * Remove the TPID from dl_type since it's not the real Ethertype. */
2845 flow->vlan_tci = tci;
2846 flow->dl_type = htons(0);
2847
2848 /* Now parse the encapsulated attributes. */
2849 if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
2850 attrs, &present_attrs, &out_of_range_attr)) {
2851 return ODP_FIT_ERROR;
2852 }
2853 expected_attrs = 0;
2854
2855 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
2856 return ODP_FIT_ERROR;
2857 }
b02475c5
SH		 2858 encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
2859 expected_attrs, flow, key, key_len);
b0f7b9b5
BP		 2860
2861 /* The overall fitness is the worse of the outer and inner attributes. */
2862 return MAX(fitness, encap_fitness);
2863}
2864
2865/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
2866 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
2867 * 'key' fits our expectations for what a flow key should contain.
2868 *
ddbfda84
JP		 2869 * The 'in_port' will be the datapath's understanding of the port. The
2870 * caller will need to translate with odp_port_to_ofp_port() if the
2871 * OpenFlow port is needed.
2872 *
b0f7b9b5
BP		 2873 * This function doesn't take the packet itself as an argument because none of
2874 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
2875 * it is always possible to infer which additional attribute(s) should appear
2876 * by looking at the attributes for lower-level protocols, e.g. if the network
2877 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
2878 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
2879 * must be absent. */
2880enum odp_key_fitness
2881odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
2882 struct flow *flow)
2883{
b0f7b9b5
BP		 2884 const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
2885 uint64_t expected_attrs;
2886 uint64_t present_attrs;
2887 int out_of_range_attr;
2888
2889 memset(flow, 0, sizeof *flow);
2890
2891 /* Parse attributes. */
2892 if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs,
2893 &out_of_range_attr)) {
2894 return ODP_FIT_ERROR;
2895 }
2896 expected_attrs = 0;
2897
2898 /* Metadata. */
2899 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) {
deedf7e7 2900 flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]);
b0f7b9b5
BP		 2901 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
2902 }
2903
72e8bf28
AA		 2904 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) {
2905 flow->skb_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
2906 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK;
2907 }
2908
9b405f1a
PS		 2909 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL)) {
2910 enum odp_key_fitness res;
05fb0928 2911
617e10e7 2912 res = odp_tun_key_from_attr(attrs[OVS_KEY_ATTR_TUNNEL], &flow->tunnel);
9b405f1a
PS		 2913 if (res == ODP_FIT_ERROR) {
2914 return ODP_FIT_ERROR;
2915 } else if (res == ODP_FIT_PERFECT) {
2916 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL;
05fb0928
JR		 2917 }
2918 }
2919
b0f7b9b5 2920 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
4e022ec0
AW		 2921 flow->in_port.odp_port
2922 = nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]);
b0f7b9b5
BP		 2923 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
2924 } else {
4e022ec0 2925 flow->in_port.odp_port = ODPP_NONE;
b0f7b9b5
BP		 2926 }
2927
2928 /* Ethernet header. */
2929 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) {
2930 const struct ovs_key_ethernet *eth_key;
2931
2932 eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
2933 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
2934 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
2935 }
2936 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
2937
2938 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
2939 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
2940 return ODP_FIT_ERROR;
2941 }
2942
2943 if (flow->dl_type == htons(ETH_TYPE_VLAN)) {
2944 return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
2945 expected_attrs, flow, key, key_len);
2946 }
b02475c5
SH		 2947 return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
2948 expected_attrs, flow, key, key_len);
14608a15 2949}
39db78a0 2950
6814e51f
BP		 2951/* Returns 'fitness' as a string, for use in debug messages. */
2952const char *
2953odp_key_fitness_to_string(enum odp_key_fitness fitness)
2954{
2955 switch (fitness) {
2956 case ODP_FIT_PERFECT:
2957 return "OK";
2958 case ODP_FIT_TOO_MUCH:
2959 return "too_much";
2960 case ODP_FIT_TOO_LITTLE:
2961 return "too_little";
2962 case ODP_FIT_ERROR:
2963 return "error";
2964 default:
2965 return "<unknown>";
2966 }
2967}
2968
39db78a0 2969/* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
e995e3df
BP		 2970 * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute
2971 * whose contents are the 'userdata_size' bytes at 'userdata' and returns the
2972 * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is
2973 * null, then the return value is not meaningful.) */
39db78a0 2974size_t
e995e3df
BP		 2975odp_put_userspace_action(uint32_t pid,
2976 const void *userdata, size_t userdata_size,
39db78a0
BP		 2977 struct ofpbuf *odp_actions)
2978{
e995e3df 2979 size_t userdata_ofs;
39db78a0
BP		 2980 size_t offset;
2981
2982 offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
2983 nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
e995e3df
BP		 2984 if (userdata) {
2985 userdata_ofs = odp_actions->size + NLA_HDRLEN;
39db78a0 2986 nl_msg_put_unspec(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
e995e3df
BP		 2987 userdata, userdata_size);
2988 } else {
2989 userdata_ofs = 0;
39db78a0
BP		 2990 }
2991 nl_msg_end_nested(odp_actions, offset);
2992
e995e3df 2993 return userdata_ofs;
39db78a0 2994}
b9ad7294
EJ		 2995
2996void
2997odp_put_tunnel_action(const struct flow_tnl *tunnel,
2998 struct ofpbuf *odp_actions)
2999{
3000 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3001 tun_key_to_attr(odp_actions, tunnel);
3002 nl_msg_end_nested(odp_actions, offset);
3003}
5bbda0aa
EJ		 3004\f
3005/* The commit_odp_actions() function and its helpers. */
3006
3007static void
3008commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
3009 const void *key, size_t key_size)
3010{
3011 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
3012 nl_msg_put_unspec(odp_actions, key_type, key, key_size);
3013 nl_msg_end_nested(odp_actions, offset);
3014}
3015
09a0d2e7
AA		 3016void
3017odp_put_skb_mark_action(const uint32_t skb_mark,
3018 struct ofpbuf *odp_actions)
3019{
3020 commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &skb_mark,
3021 sizeof(skb_mark));
3022}
3023
b9ad7294
EJ		 3024/* If any of the flow key data that ODP actions can modify are different in
3025 * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to
3026 * 'odp_actions' that change the flow tunneling information in key from
3027 * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the
3028 * same way. In other words, operates the same as commit_odp_actions(), but
3029 * only on tunneling information. */
3030void
3031commit_odp_tunnel_action(const struct flow *flow, struct flow *base,
5bbda0aa
EJ		 3032 struct ofpbuf *odp_actions)
3033{
05fb0928
JR		 3034 /* A valid IPV4_TUNNEL must have non-zero ip_dst. */
3035 if (flow->tunnel.ip_dst) {
fc80de30
JR		 3036 if (!memcmp(&base->tunnel, &flow->tunnel, sizeof base->tunnel)) {
3037 return;
3038 }
3039 memcpy(&base->tunnel, &flow->tunnel, sizeof base->tunnel);
b9ad7294 3040 odp_put_tunnel_action(&base->tunnel, odp_actions);
05fb0928 3041 }
5bbda0aa
EJ		 3042}
3043
3044static void
3045commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3046 struct ofpbuf *odp_actions,
3047 struct flow_wildcards *wc)
5bbda0aa
EJ		 3048{
3049 struct ovs_key_ethernet eth_key;
3050
3051 if (eth_addr_equals(base->dl_src, flow->dl_src) &&
3052 eth_addr_equals(base->dl_dst, flow->dl_dst)) {
3053 return;
3054 }
3055
1dd35f8a
JP		 3056 memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src);
3057 memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
3058
5bbda0aa
EJ		 3059 memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
3060 memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
3061
3062 memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
3063 memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
3064
3065 commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
3066 &eth_key, sizeof(eth_key));
3067}
3068
3069static void
3070commit_vlan_action(const struct flow *flow, struct flow *base,
1dd35f8a 3071 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa
EJ		 3072{
3073 if (base->vlan_tci == flow->vlan_tci) {
3074 return;
3075 }
3076
1dd35f8a
JP		 3077 memset(&wc->masks.vlan_tci, 0xff, sizeof wc->masks.vlan_tci);
3078
5bbda0aa
EJ		 3079 if (base->vlan_tci & htons(VLAN_CFI)) {
3080 nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
3081 }
3082
3083 if (flow->vlan_tci & htons(VLAN_CFI)) {
3084 struct ovs_action_push_vlan vlan;
3085
3086 vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
3087 vlan.vlan_tci = flow->vlan_tci;
3088 nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
3089 &vlan, sizeof vlan);
3090 }
3091 base->vlan_tci = flow->vlan_tci;
3092}
3093
b02475c5
SH		 3094static void
3095commit_mpls_action(const struct flow *flow, struct flow *base,
1dd35f8a 3096 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
b02475c5
SH		 3097{
3098 if (flow->mpls_lse == base->mpls_lse &&
3099 flow->mpls_depth == base->mpls_depth) {
3100 return;
3101 }
3102
1dd35f8a
JP		 3103 memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse);
3104
b02475c5
SH		 3105 if (flow->mpls_depth < base->mpls_depth) {
3106 if (base->mpls_depth - flow->mpls_depth > 1) {
3107 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
3108 VLOG_WARN_RL(&rl, "Multiple mpls_pop actions reduced to "
3109 " a single mpls_pop action");
3110 }
3111
3112 nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, flow->dl_type);
3113 } else if (flow->mpls_depth > base->mpls_depth) {
3114 struct ovs_action_push_mpls *mpls;
3115
3116 if (flow->mpls_depth - base->mpls_depth > 1) {
3117 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
3118 VLOG_WARN_RL(&rl, "Multiple mpls_push actions reduced to "
3119 " a single mpls_push action");
3120 }
3121
3122 mpls = nl_msg_put_unspec_uninit(odp_actions, OVS_ACTION_ATTR_PUSH_MPLS,
3123 sizeof *mpls);
3124 memset(mpls, 0, sizeof *mpls);
3125 mpls->mpls_ethertype = flow->dl_type;
3126 mpls->mpls_lse = flow->mpls_lse;
3127 } else {
3128 struct ovs_key_mpls mpls_key;
3129
20131cef 3130 mpls_key.mpls_lse = flow->mpls_lse;
b02475c5
SH		 3131 commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS,
3132 &mpls_key, sizeof(mpls_key));
3133 }
3134
3135 base->dl_type = flow->dl_type;
3136 base->mpls_lse = flow->mpls_lse;
3137 base->mpls_depth = flow->mpls_depth;
3138}
3139
5bbda0aa 3140static void
c4f2731d 3141commit_set_ipv4_action(const struct flow *flow, struct flow *base,
1dd35f8a 3142 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa
EJ		 3143{
3144 struct ovs_key_ipv4 ipv4_key;
3145
5bbda0aa
EJ		 3146 if (base->nw_src == flow->nw_src &&
3147 base->nw_dst == flow->nw_dst &&
3148 base->nw_tos == flow->nw_tos &&
3149 base->nw_ttl == flow->nw_ttl &&
3150 base->nw_frag == flow->nw_frag) {
3151 return;
3152 }
3153
1dd35f8a
JP		 3154 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
3155 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
3156 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3157 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3158 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3159 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3160
5bbda0aa
EJ		 3161 ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
3162 ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
3163 ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
3164 ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
3165 ipv4_key.ipv4_proto = base->nw_proto;
c4f2731d 3166 ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag);
5bbda0aa
EJ		 3167
3168 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
3169 &ipv4_key, sizeof(ipv4_key));
3170}
3171
c4f2731d
PS		 3172static void
3173commit_set_ipv6_action(const struct flow *flow, struct flow *base,
1dd35f8a 3174 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d
PS		 3175{
3176 struct ovs_key_ipv6 ipv6_key;
3177
3178 if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) &&
3179 ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) &&
3180 base->ipv6_label == flow->ipv6_label &&
3181 base->nw_tos == flow->nw_tos &&
3182 base->nw_ttl == flow->nw_ttl &&
3183 base->nw_frag == flow->nw_frag) {
3184 return;
3185 }
3186
1dd35f8a
JP		 3187 memset(&wc->masks.ipv6_src, 0xff, sizeof wc->masks.ipv6_src);
3188 memset(&wc->masks.ipv6_dst, 0xff, sizeof wc->masks.ipv6_dst);
3189 memset(&wc->masks.ipv6_label, 0xff, sizeof wc->masks.ipv6_label);
3190 memset(&wc->masks.nw_tos, 0xff, sizeof wc->masks.nw_tos);
3191 memset(&wc->masks.nw_ttl, 0xff, sizeof wc->masks.nw_ttl);
3192 memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
3193 memset(&wc->masks.nw_frag, 0xff, sizeof wc->masks.nw_frag);
3194
c4f2731d
PS		 3195 base->ipv6_src = flow->ipv6_src;
3196 memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src));
3197 base->ipv6_dst = flow->ipv6_dst;
3198 memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst));
3199
3200 ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label;
3201 ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos;
3202 ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl;
3203 ipv6_key.ipv6_proto = base->nw_proto;
3204 ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag);
3205
3206 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6,
3207 &ipv6_key, sizeof(ipv6_key));
3208}
3209
3210static void
3211commit_set_nw_action(const struct flow *flow, struct flow *base,
1dd35f8a 3212 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
c4f2731d
PS		 3213{
3214 /* Check if flow really have an IP header. */
3215 if (!flow->nw_proto) {
3216 return;
3217 }
3218
1b035ef2 3219 if (base->dl_type == htons(ETH_TYPE_IP)) {
1dd35f8a 3220 commit_set_ipv4_action(flow, base, odp_actions, wc);
1b035ef2 3221 } else if (base->dl_type == htons(ETH_TYPE_IPV6)) {
1dd35f8a 3222 commit_set_ipv6_action(flow, base, odp_actions, wc);
c4f2731d
PS		 3223 }
3224}
3225
5bbda0aa
EJ		 3226static void
3227commit_set_port_action(const struct flow *flow, struct flow *base,
1dd35f8a 3228 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3229{
1b035ef2 3230 if (!is_ip_any(base) || (!base->tp_src && !base->tp_dst)) {
5bbda0aa
EJ		 3231 return;
3232 }
3233
3234 if (base->tp_src == flow->tp_src &&
3235 base->tp_dst == flow->tp_dst) {
3236 return;
3237 }
3238
1dd35f8a
JP		 3239 memset(&wc->masks.tp_src, 0xff, sizeof wc->masks.tp_src);
3240 memset(&wc->masks.tp_dst, 0xff, sizeof wc->masks.tp_dst);
3241
5bbda0aa
EJ		 3242 if (flow->nw_proto == IPPROTO_TCP) {
3243 struct ovs_key_tcp port_key;
3244
3245 port_key.tcp_src = base->tp_src = flow->tp_src;
3246 port_key.tcp_dst = base->tp_dst = flow->tp_dst;
3247
3248 commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
3249 &port_key, sizeof(port_key));
3250
3251 } else if (flow->nw_proto == IPPROTO_UDP) {
3252 struct ovs_key_udp port_key;
3253
3254 port_key.udp_src = base->tp_src = flow->tp_src;
3255 port_key.udp_dst = base->tp_dst = flow->tp_dst;
3256
3257 commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
3258 &port_key, sizeof(port_key));
3259 }
3260}
3261
3262static void
3263commit_set_priority_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3264 struct ofpbuf *odp_actions,
3265 struct flow_wildcards *wc)
5bbda0aa 3266{
deedf7e7 3267 if (base->skb_priority == flow->skb_priority) {
5bbda0aa
EJ		 3268 return;
3269 }
1dd35f8a
JP		 3270
3271 memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority);
deedf7e7 3272 base->skb_priority = flow->skb_priority;
5bbda0aa
EJ		 3273
3274 commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
deedf7e7 3275 &base->skb_priority, sizeof(base->skb_priority));
5bbda0aa
EJ		 3276}
3277
72e8bf28
AA		 3278static void
3279commit_set_skb_mark_action(const struct flow *flow, struct flow *base,
1dd35f8a
JP		 3280 struct ofpbuf *odp_actions,
3281 struct flow_wildcards *wc)
72e8bf28
AA		 3282{
3283 if (base->skb_mark == flow->skb_mark) {
3284 return;
3285 }
1dd35f8a
JP		 3286
3287 memset(&wc->masks.skb_mark, 0xff, sizeof wc->masks.skb_mark);
72e8bf28
AA		 3288 base->skb_mark = flow->skb_mark;
3289
09a0d2e7 3290 odp_put_skb_mark_action(base->skb_mark, odp_actions);
72e8bf28 3291}
5bbda0aa
EJ		 3292/* If any of the flow key data that ODP actions can modify are different in
3293 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
b9ad7294
EJ		 3294 * key from 'base' into 'flow', and then changes 'base' the same way. Does not
3295 * commit set_tunnel actions. Users should call commit_odp_tunnel_action()
1dd35f8a
JP		 3296 * in addition to this function if needed. Sets fields in 'wc' that are
3297 * used as part of the action. */
5bbda0aa
EJ		 3298void
3299commit_odp_actions(const struct flow *flow, struct flow *base,
1dd35f8a 3300 struct ofpbuf *odp_actions, struct flow_wildcards *wc)
5bbda0aa 3301{
1dd35f8a
JP		 3302 commit_set_ether_addr_action(flow, base, odp_actions, wc);
3303 commit_vlan_action(flow, base, odp_actions, wc);
3304 commit_set_nw_action(flow, base, odp_actions, wc);
3305 commit_set_port_action(flow, base, odp_actions, wc);
ec9f40dc 3306 /* Committing MPLS actions should occur after committing nw and port
1b035ef2
SH		 3307 * actions. This is because committing MPLS actions may alter a packet so
3308 * that it is no longer IP and thus nw and port actions are no longer valid.
3309 */
1dd35f8a
JP		 3310 commit_mpls_action(flow, base, odp_actions, wc);
3311 commit_set_priority_action(flow, base, odp_actions, wc);
3312 commit_set_skb_mark_action(flow, base, odp_actions, wc);
5bbda0aa 3313}
openvswitch packages for PVE