2 * Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
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:
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #include <arpa/inet.h>
23 #include <netinet/in.h>
24 #include <netinet/icmp6.h>
27 #include "byte-order.h"
29 #include "dynamic-string.h"
39 VLOG_DEFINE_THIS_MODULE(odp_util);
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.
47 /* The set of characters that may separate one action or one key attribute
49 static const char *delimiters = ", \t\r\n";
51 static int parse_odp_key_attr(const char *, const struct simap *port_names,
53 static void format_odp_key_attr(const struct nlattr *a, struct ds *ds);
55 /* Returns one the following for the action with the given OVS_ACTION_ATTR_*
58 * - For an action whose argument has a fixed length, returned that
59 * nonnegative length in bytes.
61 * - For an action with a variable-length argument, returns -2.
63 * - For an invalid 'type', returns -1. */
65 odp_action_len(uint16_t type)
67 if (type > OVS_ACTION_ATTR_MAX) {
71 switch ((enum ovs_action_attr) type) {
72 case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t);
73 case OVS_ACTION_ATTR_USERSPACE: return -2;
74 case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan);
75 case OVS_ACTION_ATTR_POP_VLAN: return 0;
76 case OVS_ACTION_ATTR_SET: return -2;
77 case OVS_ACTION_ATTR_SAMPLE: return -2;
79 case OVS_ACTION_ATTR_UNSPEC:
80 case __OVS_ACTION_ATTR_MAX:
88 ovs_key_attr_to_string(enum ovs_key_attr attr)
90 static char unknown_attr[3 + INT_STRLEN(unsigned int) + 1];
93 case OVS_KEY_ATTR_UNSPEC: return "unspec";
94 case OVS_KEY_ATTR_ENCAP: return "encap";
95 case OVS_KEY_ATTR_PRIORITY: return "priority";
96 case OVS_KEY_ATTR_IN_PORT: return "in_port";
97 case OVS_KEY_ATTR_ETHERNET: return "eth";
98 case OVS_KEY_ATTR_VLAN: return "vlan";
99 case OVS_KEY_ATTR_ETHERTYPE: return "eth_type";
100 case OVS_KEY_ATTR_IPV4: return "ipv4";
101 case OVS_KEY_ATTR_IPV6: return "ipv6";
102 case OVS_KEY_ATTR_TCP: return "tcp";
103 case OVS_KEY_ATTR_UDP: return "udp";
104 case OVS_KEY_ATTR_ICMP: return "icmp";
105 case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
106 case OVS_KEY_ATTR_ARP: return "arp";
107 case OVS_KEY_ATTR_ND: return "nd";
108 case OVS_KEY_ATTR_TUN_ID: return "tun_id";
110 case __OVS_KEY_ATTR_MAX:
112 snprintf(unknown_attr, sizeof unknown_attr, "key%u",
113 (unsigned int) attr);
119 format_generic_odp_action(struct ds *ds, const struct nlattr *a)
121 size_t len = nl_attr_get_size(a);
123 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
125 const uint8_t *unspec;
128 unspec = nl_attr_get(a);
129 for (i = 0; i < len; i++) {
130 ds_put_char(ds, i ? ' ': '(');
131 ds_put_format(ds, "%02x", unspec[i]);
133 ds_put_char(ds, ')');
138 format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
140 static const struct nl_policy ovs_sample_policy[] = {
141 [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 },
142 [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED }
144 struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
146 const struct nlattr *nla_acts;
149 ds_put_cstr(ds, "sample");
151 if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) {
152 ds_put_cstr(ds, "(error)");
156 percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) /
159 ds_put_format(ds, "(sample=%.1f%%,", percentage);
161 ds_put_cstr(ds, "actions(");
162 nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]);
163 len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]);
164 format_odp_actions(ds, nla_acts, len);
165 ds_put_format(ds, "))");
169 slow_path_reason_to_string(enum slow_path_reason bit)
180 case SLOW_CONTROLLER:
190 format_slow_path_reason(struct ds *ds, uint32_t slow)
195 uint32_t bit = rightmost_1bit(slow);
198 s = slow_path_reason_to_string(bit);
200 ds_put_format(ds, "%s,", s);
209 ds_put_format(ds, "0x%"PRIx32",", bad);
215 format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
217 static const struct nl_policy ovs_userspace_policy[] = {
218 [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 },
219 [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_U64, .optional = true },
221 struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
223 if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) {
224 ds_put_cstr(ds, "userspace(error)");
228 ds_put_format(ds, "userspace(pid=%"PRIu32,
229 nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID]));
231 if (a[OVS_USERSPACE_ATTR_USERDATA]) {
232 uint64_t userdata = nl_attr_get_u64(a[OVS_USERSPACE_ATTR_USERDATA]);
233 union user_action_cookie cookie;
235 memcpy(&cookie, &userdata, sizeof cookie);
237 switch (cookie.type) {
238 case USER_ACTION_COOKIE_SFLOW:
239 ds_put_format(ds, ",sFlow("
240 "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
241 vlan_tci_to_vid(cookie.sflow.vlan_tci),
242 vlan_tci_to_pcp(cookie.sflow.vlan_tci),
243 cookie.sflow.output);
246 case USER_ACTION_COOKIE_SLOW_PATH:
247 ds_put_cstr(ds, ",slow_path(");
248 if (cookie.slow_path.reason) {
249 format_slow_path_reason(ds, cookie.slow_path.reason);
251 ds_put_char(ds, ')');
254 case USER_ACTION_COOKIE_UNSPEC:
256 ds_put_format(ds, ",userdata=0x%"PRIx64, userdata);
261 ds_put_char(ds, ')');
265 format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci)
267 ds_put_format(ds, "vid=%"PRIu16",pcp=%d",
268 vlan_tci_to_vid(vlan_tci),
269 vlan_tci_to_pcp(vlan_tci));
270 if (!(vlan_tci & htons(VLAN_CFI))) {
271 ds_put_cstr(ds, ",cfi=0");
276 format_odp_action(struct ds *ds, const struct nlattr *a)
279 enum ovs_action_attr type = nl_attr_type(a);
280 const struct ovs_action_push_vlan *vlan;
282 expected_len = odp_action_len(nl_attr_type(a));
283 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
284 ds_put_format(ds, "bad length %zu, expected %d for: ",
285 nl_attr_get_size(a), expected_len);
286 format_generic_odp_action(ds, a);
291 case OVS_ACTION_ATTR_OUTPUT:
292 ds_put_format(ds, "%"PRIu16, nl_attr_get_u32(a));
294 case OVS_ACTION_ATTR_USERSPACE:
295 format_odp_userspace_action(ds, a);
297 case OVS_ACTION_ATTR_SET:
298 ds_put_cstr(ds, "set(");
299 format_odp_key_attr(nl_attr_get(a), ds);
300 ds_put_cstr(ds, ")");
302 case OVS_ACTION_ATTR_PUSH_VLAN:
303 vlan = nl_attr_get(a);
304 ds_put_cstr(ds, "push_vlan(");
305 if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) {
306 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid));
308 format_vlan_tci(ds, vlan->vlan_tci);
309 ds_put_char(ds, ')');
311 case OVS_ACTION_ATTR_POP_VLAN:
312 ds_put_cstr(ds, "pop_vlan");
314 case OVS_ACTION_ATTR_SAMPLE:
315 format_odp_sample_action(ds, a);
317 case OVS_ACTION_ATTR_UNSPEC:
318 case __OVS_ACTION_ATTR_MAX:
320 format_generic_odp_action(ds, a);
326 format_odp_actions(struct ds *ds, const struct nlattr *actions,
330 const struct nlattr *a;
333 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
335 ds_put_char(ds, ',');
337 format_odp_action(ds, a);
342 if (left == actions_len) {
343 ds_put_cstr(ds, "<empty>");
345 ds_put_format(ds, ",***%u leftover bytes*** (", left);
346 for (i = 0; i < left; i++) {
347 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
349 ds_put_char(ds, ')');
352 ds_put_cstr(ds, "drop");
357 parse_odp_action(const char *s, const struct simap *port_names,
358 struct ofpbuf *actions)
360 /* Many of the sscanf calls in this function use oversized destination
361 * fields because some sscanf() implementations truncate the range of %i
362 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
363 * value of 0x7fff. The other alternatives are to allow only a single
364 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
367 * The tun_id parser has to use an alternative approach because there is no
368 * type larger than 64 bits. */
371 unsigned long long int port;
374 if (sscanf(s, "%lli%n", &port, &n) > 0 && n > 0) {
375 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port);
381 int len = strcspn(s, delimiters);
382 struct simap_node *node;
384 node = simap_find_len(port_names, s, len);
386 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, node->data);
392 unsigned long long int pid;
393 unsigned long long int output;
398 if (sscanf(s, "userspace(pid=%lli)%n", &pid, &n) > 0 && n > 0) {
399 odp_put_userspace_action(pid, NULL, actions);
401 } else if (sscanf(s, "userspace(pid=%lli,sFlow(vid=%i,"
402 "pcp=%i,output=%lli))%n",
403 &pid, &vid, &pcp, &output, &n) > 0 && n > 0) {
404 union user_action_cookie cookie;
407 tci = vid | (pcp << VLAN_PCP_SHIFT);
412 cookie.type = USER_ACTION_COOKIE_SFLOW;
413 cookie.sflow.vlan_tci = htons(tci);
414 cookie.sflow.output = output;
415 odp_put_userspace_action(pid, &cookie, actions);
417 } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0
419 union user_action_cookie cookie;
421 cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
422 cookie.slow_path.unused = 0;
423 cookie.slow_path.reason = 0;
425 while (s[n] != ')') {
428 for (bit = 1; bit; bit <<= 1) {
429 const char *reason = slow_path_reason_to_string(bit);
430 size_t len = strlen(reason);
433 && !strncmp(s + n, reason, len)
434 && (s[n + len] == ',' || s[n + len] == ')'))
436 cookie.slow_path.reason |= bit;
437 n += len + (s[n + len] == ',');
446 if (s[n + 1] != ')') {
451 odp_put_userspace_action(pid, &cookie, actions);
453 } else if (sscanf(s, "userspace(pid=%lli,userdata="
454 "%31[x0123456789abcdefABCDEF])%n", &pid, userdata_s,
456 union user_action_cookie cookie;
459 userdata = strtoull(userdata_s, NULL, 0);
460 memcpy(&cookie, &userdata, sizeof cookie);
461 odp_put_userspace_action(pid, &cookie, actions);
466 if (!strncmp(s, "set(", 4)) {
470 start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET);
471 retval = parse_odp_key_attr(s + 4, port_names, actions);
475 if (s[retval + 4] != ')') {
478 nl_msg_end_nested(actions, start_ofs);
483 struct ovs_action_push_vlan push;
484 int tpid = ETH_TYPE_VLAN;
489 if ((sscanf(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) > 0
491 || (sscanf(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
492 &vid, &pcp, &cfi, &n) > 0 && n > 0)
493 || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
494 &tpid, &vid, &pcp, &n) > 0 && n > 0)
495 || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
496 &tpid, &vid, &pcp, &cfi, &n) > 0 && n > 0)) {
497 push.vlan_tpid = htons(tpid);
498 push.vlan_tci = htons((vid << VLAN_VID_SHIFT)
499 | (pcp << VLAN_PCP_SHIFT)
500 | (cfi ? VLAN_CFI : 0));
501 nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN,
508 if (!strncmp(s, "pop_vlan", 8)) {
509 nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN);
517 if (sscanf(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) > 0
518 && percentage >= 0. && percentage <= 100.0
520 size_t sample_ofs, actions_ofs;
523 probability = floor(UINT32_MAX * (percentage / 100.0) + .5);
524 sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE);
525 nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY,
526 (probability <= 0 ? 0
527 : probability >= UINT32_MAX ? UINT32_MAX
530 actions_ofs = nl_msg_start_nested(actions,
531 OVS_SAMPLE_ATTR_ACTIONS);
535 n += strspn(s + n, delimiters);
540 retval = parse_odp_action(s + n, port_names, actions);
546 nl_msg_end_nested(actions, actions_ofs);
547 nl_msg_end_nested(actions, sample_ofs);
549 return s[n + 1] == ')' ? n + 2 : -EINVAL;
556 /* Parses the string representation of datapath actions, in the format output
557 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
558 * value. On success, the ODP actions are appended to 'actions' as a series of
559 * Netlink attributes. On failure, no data is appended to 'actions'. Either
560 * way, 'actions''s data might be reallocated. */
562 odp_actions_from_string(const char *s, const struct simap *port_names,
563 struct ofpbuf *actions)
567 if (!strcasecmp(s, "drop")) {
571 old_size = actions->size;
575 s += strspn(s, delimiters);
580 retval = parse_odp_action(s, port_names, actions);
581 if (retval < 0 || !strchr(delimiters, s[retval])) {
582 actions->size = old_size;
591 /* Returns the correct length of the payload for a flow key attribute of the
592 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
593 * is variable length. */
595 odp_flow_key_attr_len(uint16_t type)
597 if (type > OVS_KEY_ATTR_MAX) {
601 switch ((enum ovs_key_attr) type) {
602 case OVS_KEY_ATTR_ENCAP: return -2;
603 case OVS_KEY_ATTR_PRIORITY: return 4;
604 case OVS_KEY_ATTR_TUN_ID: return 8;
605 case OVS_KEY_ATTR_IN_PORT: return 4;
606 case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
607 case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
608 case OVS_KEY_ATTR_ETHERTYPE: return 2;
609 case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
610 case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
611 case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
612 case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
613 case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
614 case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
615 case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
616 case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd);
618 case OVS_KEY_ATTR_UNSPEC:
619 case __OVS_KEY_ATTR_MAX:
627 format_generic_odp_key(const struct nlattr *a, struct ds *ds)
629 size_t len = nl_attr_get_size(a);
631 const uint8_t *unspec;
634 unspec = nl_attr_get(a);
635 for (i = 0; i < len; i++) {
636 ds_put_char(ds, i ? ' ': '(');
637 ds_put_format(ds, "%02x", unspec[i]);
639 ds_put_char(ds, ')');
644 ovs_frag_type_to_string(enum ovs_frag_type type)
647 case OVS_FRAG_TYPE_NONE:
649 case OVS_FRAG_TYPE_FIRST:
651 case OVS_FRAG_TYPE_LATER:
653 case __OVS_FRAG_TYPE_MAX:
660 format_odp_key_attr(const struct nlattr *a, struct ds *ds)
662 const struct ovs_key_ethernet *eth_key;
663 const struct ovs_key_ipv4 *ipv4_key;
664 const struct ovs_key_ipv6 *ipv6_key;
665 const struct ovs_key_tcp *tcp_key;
666 const struct ovs_key_udp *udp_key;
667 const struct ovs_key_icmp *icmp_key;
668 const struct ovs_key_icmpv6 *icmpv6_key;
669 const struct ovs_key_arp *arp_key;
670 const struct ovs_key_nd *nd_key;
671 enum ovs_key_attr attr = nl_attr_type(a);
674 ds_put_cstr(ds, ovs_key_attr_to_string(attr));
675 expected_len = odp_flow_key_attr_len(nl_attr_type(a));
676 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
677 ds_put_format(ds, "(bad length %zu, expected %d)",
679 odp_flow_key_attr_len(nl_attr_type(a)));
680 format_generic_odp_key(a, ds);
685 case OVS_KEY_ATTR_ENCAP:
686 ds_put_cstr(ds, "(");
687 if (nl_attr_get_size(a)) {
688 odp_flow_key_format(nl_attr_get(a), nl_attr_get_size(a), ds);
690 ds_put_char(ds, ')');
693 case OVS_KEY_ATTR_PRIORITY:
694 ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
697 case OVS_KEY_ATTR_TUN_ID:
698 ds_put_format(ds, "(%#"PRIx64")", ntohll(nl_attr_get_be64(a)));
701 case OVS_KEY_ATTR_IN_PORT:
702 ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
705 case OVS_KEY_ATTR_ETHERNET:
706 eth_key = nl_attr_get(a);
707 ds_put_format(ds, "(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")",
708 ETH_ADDR_ARGS(eth_key->eth_src),
709 ETH_ADDR_ARGS(eth_key->eth_dst));
712 case OVS_KEY_ATTR_VLAN:
713 ds_put_char(ds, '(');
714 format_vlan_tci(ds, nl_attr_get_be16(a));
715 ds_put_char(ds, ')');
718 case OVS_KEY_ATTR_ETHERTYPE:
719 ds_put_format(ds, "(0x%04"PRIx16")",
720 ntohs(nl_attr_get_be16(a)));
723 case OVS_KEY_ATTR_IPV4:
724 ipv4_key = nl_attr_get(a);
725 ds_put_format(ds, "(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
726 ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s)",
727 IP_ARGS(&ipv4_key->ipv4_src),
728 IP_ARGS(&ipv4_key->ipv4_dst),
729 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
731 ovs_frag_type_to_string(ipv4_key->ipv4_frag));
734 case OVS_KEY_ATTR_IPV6: {
735 char src_str[INET6_ADDRSTRLEN];
736 char dst_str[INET6_ADDRSTRLEN];
738 ipv6_key = nl_attr_get(a);
739 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
740 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
742 ds_put_format(ds, "(src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8
743 ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s)",
744 src_str, dst_str, ntohl(ipv6_key->ipv6_label),
745 ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass,
746 ipv6_key->ipv6_hlimit,
747 ovs_frag_type_to_string(ipv6_key->ipv6_frag));
751 case OVS_KEY_ATTR_TCP:
752 tcp_key = nl_attr_get(a);
753 ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
754 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
757 case OVS_KEY_ATTR_UDP:
758 udp_key = nl_attr_get(a);
759 ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
760 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
763 case OVS_KEY_ATTR_ICMP:
764 icmp_key = nl_attr_get(a);
765 ds_put_format(ds, "(type=%"PRIu8",code=%"PRIu8")",
766 icmp_key->icmp_type, icmp_key->icmp_code);
769 case OVS_KEY_ATTR_ICMPV6:
770 icmpv6_key = nl_attr_get(a);
771 ds_put_format(ds, "(type=%"PRIu8",code=%"PRIu8")",
772 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
775 case OVS_KEY_ATTR_ARP:
776 arp_key = nl_attr_get(a);
777 ds_put_format(ds, "(sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
778 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT")",
779 IP_ARGS(&arp_key->arp_sip), IP_ARGS(&arp_key->arp_tip),
780 ntohs(arp_key->arp_op), ETH_ADDR_ARGS(arp_key->arp_sha),
781 ETH_ADDR_ARGS(arp_key->arp_tha));
784 case OVS_KEY_ATTR_ND: {
785 char target[INET6_ADDRSTRLEN];
787 nd_key = nl_attr_get(a);
788 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
790 ds_put_format(ds, "(target=%s", target);
791 if (!eth_addr_is_zero(nd_key->nd_sll)) {
792 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
793 ETH_ADDR_ARGS(nd_key->nd_sll));
795 if (!eth_addr_is_zero(nd_key->nd_tll)) {
796 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
797 ETH_ADDR_ARGS(nd_key->nd_tll));
799 ds_put_char(ds, ')');
803 case OVS_KEY_ATTR_UNSPEC:
804 case __OVS_KEY_ATTR_MAX:
806 format_generic_odp_key(a, ds);
811 /* Appends to 'ds' a string representation of the 'key_len' bytes of
812 * OVS_KEY_ATTR_* attributes in 'key'. */
814 odp_flow_key_format(const struct nlattr *key, size_t key_len, struct ds *ds)
817 const struct nlattr *a;
820 NL_ATTR_FOR_EACH (a, left, key, key_len) {
822 ds_put_char(ds, ',');
824 format_odp_key_attr(a, ds);
829 if (left == key_len) {
830 ds_put_cstr(ds, "<empty>");
832 ds_put_format(ds, ",***%u leftover bytes*** (", left);
833 for (i = 0; i < left; i++) {
834 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
836 ds_put_char(ds, ')');
839 ds_put_cstr(ds, "<empty>");
844 put_nd_key(int n, const char *nd_target_s,
845 const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *key)
847 struct ovs_key_nd nd_key;
849 memset(&nd_key, 0, sizeof nd_key);
850 if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
854 memcpy(nd_key.nd_sll, nd_sll, ETH_ADDR_LEN);
857 memcpy(nd_key.nd_tll, nd_tll, ETH_ADDR_LEN);
859 nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, &nd_key, sizeof nd_key);
864 ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type)
866 if (!strcasecmp(s, "no")) {
867 *type = OVS_FRAG_TYPE_NONE;
868 } else if (!strcasecmp(s, "first")) {
869 *type = OVS_FRAG_TYPE_FIRST;
870 } else if (!strcasecmp(s, "later")) {
871 *type = OVS_FRAG_TYPE_LATER;
879 parse_odp_key_attr(const char *s, const struct simap *port_names,
882 /* Many of the sscanf calls in this function use oversized destination
883 * fields because some sscanf() implementations truncate the range of %i
884 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
885 * value of 0x7fff. The other alternatives are to allow only a single
886 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
889 * The tun_id parser has to use an alternative approach because there is no
890 * type larger than 64 bits. */
893 unsigned long long int priority;
896 if (sscanf(s, "priority(%lli)%n", &priority, &n) > 0 && n > 0) {
897 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
906 if (sscanf(s, "tun_id(%31[x0123456789abcdefABCDEF])%n",
907 tun_id_s, &n) > 0 && n > 0) {
908 uint64_t tun_id = strtoull(tun_id_s, NULL, 0);
909 nl_msg_put_be64(key, OVS_KEY_ATTR_TUN_ID, htonll(tun_id));
915 unsigned long long int in_port;
918 if (sscanf(s, "in_port(%lli)%n", &in_port, &n) > 0 && n > 0) {
919 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
924 if (port_names && !strncmp(s, "in_port(", 8)) {
926 const struct simap_node *node;
930 name_len = strcspn(s, ")");
931 node = simap_find_len(port_names, name, name_len);
933 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
934 return 8 + name_len + 1;
939 struct ovs_key_ethernet eth_key;
943 "eth(src="ETH_ADDR_SCAN_FMT",dst="ETH_ADDR_SCAN_FMT")%n",
944 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
945 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n) > 0 && n > 0) {
946 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
947 ð_key, sizeof eth_key);
958 if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i)%n", &vid, &pcp, &n) > 0
960 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
961 htons((vid << VLAN_VID_SHIFT) |
962 (pcp << VLAN_PCP_SHIFT) |
965 } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i,cfi=%i)%n",
966 &vid, &pcp, &cfi, &n) > 0
968 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
969 htons((vid << VLAN_VID_SHIFT) |
970 (pcp << VLAN_PCP_SHIFT) |
971 (cfi ? VLAN_CFI : 0)));
980 if (sscanf(s, "eth_type(%i)%n", ð_type, &n) > 0 && n > 0) {
981 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
993 enum ovs_frag_type ipv4_frag;
996 if (sscanf(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT","
997 "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n",
998 IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_dst),
999 &ipv4_proto, &ipv4_tos, &ipv4_ttl, frag, &n) > 0
1001 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
1002 struct ovs_key_ipv4 ipv4_key;
1004 ipv4_key.ipv4_src = ipv4_src;
1005 ipv4_key.ipv4_dst = ipv4_dst;
1006 ipv4_key.ipv4_proto = ipv4_proto;
1007 ipv4_key.ipv4_tos = ipv4_tos;
1008 ipv4_key.ipv4_ttl = ipv4_ttl;
1009 ipv4_key.ipv4_frag = ipv4_frag;
1010 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
1011 &ipv4_key, sizeof ipv4_key);
1017 char ipv6_src_s[IPV6_SCAN_LEN + 1];
1018 char ipv6_dst_s[IPV6_SCAN_LEN + 1];
1024 enum ovs_frag_type ipv6_frag;
1027 if (sscanf(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT","
1028 "label=%i,proto=%i,tclass=%i,hlimit=%i,frag=%7[a-z])%n",
1029 ipv6_src_s, ipv6_dst_s, &ipv6_label,
1030 &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n) > 0
1032 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
1033 struct ovs_key_ipv6 ipv6_key;
1035 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
1036 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) {
1039 ipv6_key.ipv6_label = htonl(ipv6_label);
1040 ipv6_key.ipv6_proto = ipv6_proto;
1041 ipv6_key.ipv6_tclass = ipv6_tclass;
1042 ipv6_key.ipv6_hlimit = ipv6_hlimit;
1043 ipv6_key.ipv6_frag = ipv6_frag;
1044 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
1045 &ipv6_key, sizeof ipv6_key);
1055 if (sscanf(s, "tcp(src=%i,dst=%i)%n",&tcp_src, &tcp_dst, &n) > 0
1057 struct ovs_key_tcp tcp_key;
1059 tcp_key.tcp_src = htons(tcp_src);
1060 tcp_key.tcp_dst = htons(tcp_dst);
1061 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
1071 if (sscanf(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n) > 0
1073 struct ovs_key_udp udp_key;
1075 udp_key.udp_src = htons(udp_src);
1076 udp_key.udp_dst = htons(udp_dst);
1077 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
1087 if (sscanf(s, "icmp(type=%i,code=%i)%n",
1088 &icmp_type, &icmp_code, &n) > 0
1090 struct ovs_key_icmp icmp_key;
1092 icmp_key.icmp_type = icmp_type;
1093 icmp_key.icmp_code = icmp_code;
1094 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
1095 &icmp_key, sizeof icmp_key);
1101 struct ovs_key_icmpv6 icmpv6_key;
1104 if (sscanf(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n",
1105 &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,&n) > 0
1107 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
1108 &icmpv6_key, sizeof icmpv6_key);
1117 uint8_t arp_sha[ETH_ADDR_LEN];
1118 uint8_t arp_tha[ETH_ADDR_LEN];
1121 if (sscanf(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT","
1122 "op=%i,sha="ETH_ADDR_SCAN_FMT",tha="ETH_ADDR_SCAN_FMT")%n",
1123 IP_SCAN_ARGS(&arp_sip),
1124 IP_SCAN_ARGS(&arp_tip),
1126 ETH_ADDR_SCAN_ARGS(arp_sha),
1127 ETH_ADDR_SCAN_ARGS(arp_tha), &n) > 0 && n > 0) {
1128 struct ovs_key_arp arp_key;
1130 memset(&arp_key, 0, sizeof arp_key);
1131 arp_key.arp_sip = arp_sip;
1132 arp_key.arp_tip = arp_tip;
1133 arp_key.arp_op = htons(arp_op);
1134 memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN);
1135 memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN);
1136 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
1142 char nd_target_s[IPV6_SCAN_LEN + 1];
1143 uint8_t nd_sll[ETH_ADDR_LEN];
1144 uint8_t nd_tll[ETH_ADDR_LEN];
1147 if (sscanf(s, "nd(target="IPV6_SCAN_FMT")%n",
1148 nd_target_s, &n) > 0 && n > 0) {
1149 return put_nd_key(n, nd_target_s, NULL, NULL, key);
1151 if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT")%n",
1152 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n) > 0
1154 return put_nd_key(n, nd_target_s, nd_sll, NULL, key);
1156 if (sscanf(s, "nd(target="IPV6_SCAN_FMT",tll="ETH_ADDR_SCAN_FMT")%n",
1157 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
1159 return put_nd_key(n, nd_target_s, NULL, nd_tll, key);
1161 if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT","
1162 "tll="ETH_ADDR_SCAN_FMT")%n",
1163 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
1164 ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
1166 return put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
1170 if (!strncmp(s, "encap(", 6)) {
1171 const char *start = s;
1174 encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP);
1180 s += strspn(s, ", \t\r\n");
1183 } else if (*s == ')') {
1187 retval = parse_odp_key_attr(s, port_names, key);
1195 nl_msg_end_nested(key, encap);
1203 /* Parses the string representation of a datapath flow key, in the
1204 * format output by odp_flow_key_format(). Returns 0 if successful,
1205 * otherwise a positive errno value. On success, the flow key is
1206 * appended to 'key' as a series of Netlink attributes. On failure, no
1207 * data is appended to 'key'. Either way, 'key''s data might be
1210 * If 'port_names' is nonnull, it points to an simap that maps from a port name
1211 * to a port number. (Port names may be used instead of port numbers in
1214 * On success, the attributes appended to 'key' are individually syntactically
1215 * valid, but they may not be valid as a sequence. 'key' might, for example,
1216 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
1218 odp_flow_key_from_string(const char *s, const struct simap *port_names,
1221 const size_t old_size = key->size;
1225 s += strspn(s, delimiters);
1230 retval = parse_odp_key_attr(s, port_names, key);
1232 key->size = old_size;
1242 ovs_to_odp_frag(uint8_t nw_frag)
1244 return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE
1245 : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
1246 : OVS_FRAG_TYPE_LATER);
1249 /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
1251 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
1252 * capable of being expanded to allow for that much space. */
1254 odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
1256 struct ovs_key_ethernet *eth_key;
1259 if (flow->skb_priority) {
1260 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, flow->skb_priority);
1263 if (flow->tun_id != htonll(0)) {
1264 nl_msg_put_be64(buf, OVS_KEY_ATTR_TUN_ID, flow->tun_id);
1267 if (flow->in_port != OFPP_NONE && flow->in_port != OFPP_CONTROLLER) {
1268 nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT,
1269 ofp_port_to_odp_port(flow->in_port));
1272 eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
1274 memcpy(eth_key->eth_src, flow->dl_src, ETH_ADDR_LEN);
1275 memcpy(eth_key->eth_dst, flow->dl_dst, ETH_ADDR_LEN);
1277 if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
1278 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
1279 nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, flow->vlan_tci);
1280 encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
1281 if (flow->vlan_tci == htons(0)) {
1288 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
1292 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, flow->dl_type);
1294 if (flow->dl_type == htons(ETH_TYPE_IP)) {
1295 struct ovs_key_ipv4 *ipv4_key;
1297 ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
1299 ipv4_key->ipv4_src = flow->nw_src;
1300 ipv4_key->ipv4_dst = flow->nw_dst;
1301 ipv4_key->ipv4_proto = flow->nw_proto;
1302 ipv4_key->ipv4_tos = flow->nw_tos;
1303 ipv4_key->ipv4_ttl = flow->nw_ttl;
1304 ipv4_key->ipv4_frag = ovs_to_odp_frag(flow->nw_frag);
1305 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
1306 struct ovs_key_ipv6 *ipv6_key;
1308 ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
1310 memcpy(ipv6_key->ipv6_src, &flow->ipv6_src, sizeof ipv6_key->ipv6_src);
1311 memcpy(ipv6_key->ipv6_dst, &flow->ipv6_dst, sizeof ipv6_key->ipv6_dst);
1312 ipv6_key->ipv6_label = flow->ipv6_label;
1313 ipv6_key->ipv6_proto = flow->nw_proto;
1314 ipv6_key->ipv6_tclass = flow->nw_tos;
1315 ipv6_key->ipv6_hlimit = flow->nw_ttl;
1316 ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag);
1317 } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
1318 struct ovs_key_arp *arp_key;
1320 arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP,
1322 memset(arp_key, 0, sizeof *arp_key);
1323 arp_key->arp_sip = flow->nw_src;
1324 arp_key->arp_tip = flow->nw_dst;
1325 arp_key->arp_op = htons(flow->nw_proto);
1326 memcpy(arp_key->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
1327 memcpy(arp_key->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
1330 if ((flow->dl_type == htons(ETH_TYPE_IP)
1331 || flow->dl_type == htons(ETH_TYPE_IPV6))
1332 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1334 if (flow->nw_proto == IPPROTO_TCP) {
1335 struct ovs_key_tcp *tcp_key;
1337 tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
1339 tcp_key->tcp_src = flow->tp_src;
1340 tcp_key->tcp_dst = flow->tp_dst;
1341 } else if (flow->nw_proto == IPPROTO_UDP) {
1342 struct ovs_key_udp *udp_key;
1344 udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
1346 udp_key->udp_src = flow->tp_src;
1347 udp_key->udp_dst = flow->tp_dst;
1348 } else if (flow->dl_type == htons(ETH_TYPE_IP)
1349 && flow->nw_proto == IPPROTO_ICMP) {
1350 struct ovs_key_icmp *icmp_key;
1352 icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
1354 icmp_key->icmp_type = ntohs(flow->tp_src);
1355 icmp_key->icmp_code = ntohs(flow->tp_dst);
1356 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
1357 && flow->nw_proto == IPPROTO_ICMPV6) {
1358 struct ovs_key_icmpv6 *icmpv6_key;
1360 icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
1361 sizeof *icmpv6_key);
1362 icmpv6_key->icmpv6_type = ntohs(flow->tp_src);
1363 icmpv6_key->icmpv6_code = ntohs(flow->tp_dst);
1365 if (icmpv6_key->icmpv6_type == ND_NEIGHBOR_SOLICIT
1366 || icmpv6_key->icmpv6_type == ND_NEIGHBOR_ADVERT) {
1367 struct ovs_key_nd *nd_key;
1369 nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
1371 memcpy(nd_key->nd_target, &flow->nd_target,
1372 sizeof nd_key->nd_target);
1373 memcpy(nd_key->nd_sll, flow->arp_sha, ETH_ADDR_LEN);
1374 memcpy(nd_key->nd_tll, flow->arp_tha, ETH_ADDR_LEN);
1381 nl_msg_end_nested(buf, encap);
1386 odp_flow_key_hash(const struct nlattr *key, size_t key_len)
1388 BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
1389 return hash_words((const uint32_t *) key, key_len / sizeof(uint32_t), 0);
1393 log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title,
1394 uint64_t attrs, int out_of_range_attr,
1395 const struct nlattr *key, size_t key_len)
1400 if (VLOG_DROP_DBG(rl)) {
1405 for (i = 0; i < 64; i++) {
1406 if (attrs & (UINT64_C(1) << i)) {
1407 ds_put_format(&s, " %s", ovs_key_attr_to_string(i));
1410 if (out_of_range_attr) {
1411 ds_put_format(&s, " %d (and possibly others)", out_of_range_attr);
1414 ds_put_cstr(&s, ": ");
1415 odp_flow_key_format(key, key_len, &s);
1417 VLOG_DBG("%s:%s", title, ds_cstr(&s));
1422 odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow)
1424 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1426 if (odp_frag > OVS_FRAG_TYPE_LATER) {
1427 VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag);
1431 if (odp_frag != OVS_FRAG_TYPE_NONE) {
1432 flow->nw_frag |= FLOW_NW_FRAG_ANY;
1433 if (odp_frag == OVS_FRAG_TYPE_LATER) {
1434 flow->nw_frag |= FLOW_NW_FRAG_LATER;
1441 parse_flow_nlattrs(const struct nlattr *key, size_t key_len,
1442 const struct nlattr *attrs[], uint64_t *present_attrsp,
1443 int *out_of_range_attrp)
1445 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
1446 const struct nlattr *nla;
1447 uint64_t present_attrs;
1451 *out_of_range_attrp = 0;
1452 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
1453 uint16_t type = nl_attr_type(nla);
1454 size_t len = nl_attr_get_size(nla);
1455 int expected_len = odp_flow_key_attr_len(type);
1457 if (len != expected_len && expected_len >= 0) {
1458 VLOG_ERR_RL(&rl, "attribute %s has length %zu but should have "
1459 "length %d", ovs_key_attr_to_string(type),
1464 if (type >= CHAR_BIT * sizeof present_attrs) {
1465 *out_of_range_attrp = type;
1467 if (present_attrs & (UINT64_C(1) << type)) {
1468 VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key",
1469 ovs_key_attr_to_string(type));
1473 present_attrs |= UINT64_C(1) << type;
1478 VLOG_ERR_RL(&rl, "trailing garbage in flow key");
1482 *present_attrsp = present_attrs;
1486 static enum odp_key_fitness
1487 check_expectations(uint64_t present_attrs, int out_of_range_attr,
1488 uint64_t expected_attrs,
1489 const struct nlattr *key, size_t key_len)
1491 uint64_t missing_attrs;
1492 uint64_t extra_attrs;
1494 missing_attrs = expected_attrs & ~present_attrs;
1495 if (missing_attrs) {
1496 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
1497 log_odp_key_attributes(&rl, "expected but not present",
1498 missing_attrs, 0, key, key_len);
1499 return ODP_FIT_TOO_LITTLE;
1502 extra_attrs = present_attrs & ~expected_attrs;
1503 if (extra_attrs || out_of_range_attr) {
1504 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
1505 log_odp_key_attributes(&rl, "present but not expected",
1506 extra_attrs, out_of_range_attr, key, key_len);
1507 return ODP_FIT_TOO_MUCH;
1510 return ODP_FIT_PERFECT;
1514 parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
1515 uint64_t present_attrs, uint64_t *expected_attrs,
1518 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1520 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
1521 flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
1522 if (ntohs(flow->dl_type) < 1536) {
1523 VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
1524 ntohs(flow->dl_type));
1527 *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
1529 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
1534 static enum odp_key_fitness
1535 parse_l3_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
1536 uint64_t present_attrs, int out_of_range_attr,
1537 uint64_t expected_attrs, struct flow *flow,
1538 const struct nlattr *key, size_t key_len)
1540 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1542 if (flow->dl_type == htons(ETH_TYPE_IP)) {
1543 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
1544 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
1545 const struct ovs_key_ipv4 *ipv4_key;
1547 ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]);
1548 flow->nw_src = ipv4_key->ipv4_src;
1549 flow->nw_dst = ipv4_key->ipv4_dst;
1550 flow->nw_proto = ipv4_key->ipv4_proto;
1551 flow->nw_tos = ipv4_key->ipv4_tos;
1552 flow->nw_ttl = ipv4_key->ipv4_ttl;
1553 if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
1554 return ODP_FIT_ERROR;
1557 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
1558 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
1559 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
1560 const struct ovs_key_ipv6 *ipv6_key;
1562 ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]);
1563 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
1564 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
1565 flow->ipv6_label = ipv6_key->ipv6_label;
1566 flow->nw_proto = ipv6_key->ipv6_proto;
1567 flow->nw_tos = ipv6_key->ipv6_tclass;
1568 flow->nw_ttl = ipv6_key->ipv6_hlimit;
1569 if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
1570 return ODP_FIT_ERROR;
1573 } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
1574 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
1575 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
1576 const struct ovs_key_arp *arp_key;
1578 arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
1579 flow->nw_src = arp_key->arp_sip;
1580 flow->nw_dst = arp_key->arp_tip;
1581 if (arp_key->arp_op & htons(0xff00)) {
1582 VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
1583 "key", ntohs(arp_key->arp_op));
1584 return ODP_FIT_ERROR;
1586 flow->nw_proto = ntohs(arp_key->arp_op);
1587 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
1588 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
1592 if (flow->nw_proto == IPPROTO_TCP
1593 && (flow->dl_type == htons(ETH_TYPE_IP) ||
1594 flow->dl_type == htons(ETH_TYPE_IPV6))
1595 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1596 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
1597 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
1598 const struct ovs_key_tcp *tcp_key;
1600 tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
1601 flow->tp_src = tcp_key->tcp_src;
1602 flow->tp_dst = tcp_key->tcp_dst;
1604 } else if (flow->nw_proto == IPPROTO_UDP
1605 && (flow->dl_type == htons(ETH_TYPE_IP) ||
1606 flow->dl_type == htons(ETH_TYPE_IPV6))
1607 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1608 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
1609 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
1610 const struct ovs_key_udp *udp_key;
1612 udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
1613 flow->tp_src = udp_key->udp_src;
1614 flow->tp_dst = udp_key->udp_dst;
1616 } else if (flow->nw_proto == IPPROTO_ICMP
1617 && flow->dl_type == htons(ETH_TYPE_IP)
1618 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1619 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
1620 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
1621 const struct ovs_key_icmp *icmp_key;
1623 icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
1624 flow->tp_src = htons(icmp_key->icmp_type);
1625 flow->tp_dst = htons(icmp_key->icmp_code);
1627 } else if (flow->nw_proto == IPPROTO_ICMPV6
1628 && flow->dl_type == htons(ETH_TYPE_IPV6)
1629 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1630 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
1631 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
1632 const struct ovs_key_icmpv6 *icmpv6_key;
1634 icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
1635 flow->tp_src = htons(icmpv6_key->icmpv6_type);
1636 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
1638 if (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
1639 flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) {
1640 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
1641 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
1642 const struct ovs_key_nd *nd_key;
1644 nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]);
1645 memcpy(&flow->nd_target, nd_key->nd_target,
1646 sizeof flow->nd_target);
1647 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
1648 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
1654 return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
1658 /* Parse 802.1Q header then encapsulated L3 attributes. */
1659 static enum odp_key_fitness
1660 parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
1661 uint64_t present_attrs, int out_of_range_attr,
1662 uint64_t expected_attrs, struct flow *flow,
1663 const struct nlattr *key, size_t key_len)
1665 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1667 const struct nlattr *encap
1668 = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
1669 ? attrs[OVS_KEY_ATTR_ENCAP] : NULL);
1670 enum odp_key_fitness encap_fitness;
1671 enum odp_key_fitness fitness;
1674 /* Calulate fitness of outer attributes. */
1675 expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
1676 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
1677 fitness = check_expectations(present_attrs, out_of_range_attr,
1678 expected_attrs, key, key_len);
1680 /* Get the VLAN TCI value. */
1681 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
1682 return ODP_FIT_TOO_LITTLE;
1684 tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
1685 if (tci == htons(0)) {
1686 /* Corner case for a truncated 802.1Q header. */
1687 if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
1688 return ODP_FIT_TOO_MUCH;
1691 } else if (!(tci & htons(VLAN_CFI))) {
1692 VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
1693 "but CFI bit is not set", ntohs(tci));
1694 return ODP_FIT_ERROR;
1698 * Remove the TPID from dl_type since it's not the real Ethertype. */
1699 flow->vlan_tci = tci;
1700 flow->dl_type = htons(0);
1702 /* Now parse the encapsulated attributes. */
1703 if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
1704 attrs, &present_attrs, &out_of_range_attr)) {
1705 return ODP_FIT_ERROR;
1709 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
1710 return ODP_FIT_ERROR;
1712 encap_fitness = parse_l3_onward(attrs, present_attrs, out_of_range_attr,
1713 expected_attrs, flow, key, key_len);
1715 /* The overall fitness is the worse of the outer and inner attributes. */
1716 return MAX(fitness, encap_fitness);
1719 /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
1720 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
1721 * 'key' fits our expectations for what a flow key should contain.
1723 * This function doesn't take the packet itself as an argument because none of
1724 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
1725 * it is always possible to infer which additional attribute(s) should appear
1726 * by looking at the attributes for lower-level protocols, e.g. if the network
1727 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
1728 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
1729 * must be absent. */
1730 enum odp_key_fitness
1731 odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
1734 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1735 const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
1736 uint64_t expected_attrs;
1737 uint64_t present_attrs;
1738 int out_of_range_attr;
1740 memset(flow, 0, sizeof *flow);
1742 /* Parse attributes. */
1743 if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs,
1744 &out_of_range_attr)) {
1745 return ODP_FIT_ERROR;
1750 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) {
1751 flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]);
1752 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
1755 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUN_ID)) {
1756 flow->tun_id = nl_attr_get_be64(attrs[OVS_KEY_ATTR_TUN_ID]);
1757 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUN_ID;
1760 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
1761 uint32_t in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
1762 if (in_port >= UINT16_MAX || in_port >= OFPP_MAX) {
1763 VLOG_ERR_RL(&rl, "in_port %"PRIu32" out of supported range",
1765 return ODP_FIT_ERROR;
1767 flow->in_port = odp_port_to_ofp_port(in_port);
1768 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
1770 flow->in_port = OFPP_NONE;
1773 /* Ethernet header. */
1774 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) {
1775 const struct ovs_key_ethernet *eth_key;
1777 eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
1778 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
1779 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
1781 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
1783 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
1784 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
1785 return ODP_FIT_ERROR;
1788 if (flow->dl_type == htons(ETH_TYPE_VLAN)) {
1789 return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
1790 expected_attrs, flow, key, key_len);
1792 return parse_l3_onward(attrs, present_attrs, out_of_range_attr,
1793 expected_attrs, flow, key, key_len);
1796 /* Returns 'fitness' as a string, for use in debug messages. */
1798 odp_key_fitness_to_string(enum odp_key_fitness fitness)
1801 case ODP_FIT_PERFECT:
1803 case ODP_FIT_TOO_MUCH:
1805 case ODP_FIT_TOO_LITTLE:
1806 return "too_little";
1814 /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
1815 * Netlink PID 'pid'. If 'cookie' is nonnull, adds a userdata attribute whose
1816 * contents contains 'cookie' and returns the offset within 'odp_actions' of
1817 * the start of the cookie. (If 'cookie' is null, then the return value is not
1820 odp_put_userspace_action(uint32_t pid, const union user_action_cookie *cookie,
1821 struct ofpbuf *odp_actions)
1825 offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
1826 nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
1828 nl_msg_put_unspec(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
1829 cookie, sizeof *cookie);
1831 nl_msg_end_nested(odp_actions, offset);
1833 return cookie ? odp_actions->size - NLA_ALIGN(sizeof *cookie) : 0;
1836 /* The commit_odp_actions() function and its helpers. */
1839 commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
1840 const void *key, size_t key_size)
1842 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
1843 nl_msg_put_unspec(odp_actions, key_type, key, key_size);
1844 nl_msg_end_nested(odp_actions, offset);
1848 commit_set_tun_id_action(const struct flow *flow, struct flow *base,
1849 struct ofpbuf *odp_actions)
1851 if (base->tun_id == flow->tun_id) {
1854 base->tun_id = flow->tun_id;
1856 commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
1857 &base->tun_id, sizeof(base->tun_id));
1861 commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
1862 struct ofpbuf *odp_actions)
1864 struct ovs_key_ethernet eth_key;
1866 if (eth_addr_equals(base->dl_src, flow->dl_src) &&
1867 eth_addr_equals(base->dl_dst, flow->dl_dst)) {
1871 memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
1872 memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
1874 memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
1875 memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
1877 commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
1878 ð_key, sizeof(eth_key));
1882 commit_vlan_action(const struct flow *flow, struct flow *base,
1883 struct ofpbuf *odp_actions)
1885 if (base->vlan_tci == flow->vlan_tci) {
1889 if (base->vlan_tci & htons(VLAN_CFI)) {
1890 nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
1893 if (flow->vlan_tci & htons(VLAN_CFI)) {
1894 struct ovs_action_push_vlan vlan;
1896 vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
1897 vlan.vlan_tci = flow->vlan_tci;
1898 nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
1899 &vlan, sizeof vlan);
1901 base->vlan_tci = flow->vlan_tci;
1905 commit_set_ipv4_action(const struct flow *flow, struct flow *base,
1906 struct ofpbuf *odp_actions)
1908 struct ovs_key_ipv4 ipv4_key;
1910 if (base->nw_src == flow->nw_src &&
1911 base->nw_dst == flow->nw_dst &&
1912 base->nw_tos == flow->nw_tos &&
1913 base->nw_ttl == flow->nw_ttl &&
1914 base->nw_frag == flow->nw_frag) {
1918 ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
1919 ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
1920 ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
1921 ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
1922 ipv4_key.ipv4_proto = base->nw_proto;
1923 ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag);
1925 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
1926 &ipv4_key, sizeof(ipv4_key));
1930 commit_set_ipv6_action(const struct flow *flow, struct flow *base,
1931 struct ofpbuf *odp_actions)
1933 struct ovs_key_ipv6 ipv6_key;
1935 if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) &&
1936 ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) &&
1937 base->ipv6_label == flow->ipv6_label &&
1938 base->nw_tos == flow->nw_tos &&
1939 base->nw_ttl == flow->nw_ttl &&
1940 base->nw_frag == flow->nw_frag) {
1944 base->ipv6_src = flow->ipv6_src;
1945 memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src));
1946 base->ipv6_dst = flow->ipv6_dst;
1947 memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst));
1949 ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label;
1950 ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos;
1951 ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl;
1952 ipv6_key.ipv6_proto = base->nw_proto;
1953 ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag);
1955 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6,
1956 &ipv6_key, sizeof(ipv6_key));
1960 commit_set_nw_action(const struct flow *flow, struct flow *base,
1961 struct ofpbuf *odp_actions)
1963 /* Check if flow really have an IP header. */
1964 if (!flow->nw_proto) {
1968 if (base->dl_type == htons(ETH_TYPE_IP)) {
1969 commit_set_ipv4_action(flow, base, odp_actions);
1970 } else if (base->dl_type == htons(ETH_TYPE_IPV6)) {
1971 commit_set_ipv6_action(flow, base, odp_actions);
1976 commit_set_port_action(const struct flow *flow, struct flow *base,
1977 struct ofpbuf *odp_actions)
1979 if (!base->tp_src || !base->tp_dst) {
1983 if (base->tp_src == flow->tp_src &&
1984 base->tp_dst == flow->tp_dst) {
1988 if (flow->nw_proto == IPPROTO_TCP) {
1989 struct ovs_key_tcp port_key;
1991 port_key.tcp_src = base->tp_src = flow->tp_src;
1992 port_key.tcp_dst = base->tp_dst = flow->tp_dst;
1994 commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
1995 &port_key, sizeof(port_key));
1997 } else if (flow->nw_proto == IPPROTO_UDP) {
1998 struct ovs_key_udp port_key;
2000 port_key.udp_src = base->tp_src = flow->tp_src;
2001 port_key.udp_dst = base->tp_dst = flow->tp_dst;
2003 commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
2004 &port_key, sizeof(port_key));
2009 commit_set_priority_action(const struct flow *flow, struct flow *base,
2010 struct ofpbuf *odp_actions)
2012 if (base->skb_priority == flow->skb_priority) {
2015 base->skb_priority = flow->skb_priority;
2017 commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
2018 &base->skb_priority, sizeof(base->skb_priority));
2021 /* If any of the flow key data that ODP actions can modify are different in
2022 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
2023 * key from 'base' into 'flow', and then changes 'base' the same way. */
2025 commit_odp_actions(const struct flow *flow, struct flow *base,
2026 struct ofpbuf *odp_actions)
2028 commit_set_tun_id_action(flow, base, odp_actions);
2029 commit_set_ether_addr_action(flow, base, odp_actions);
2030 commit_vlan_action(flow, base, odp_actions);
2031 commit_set_nw_action(flow, base, odp_actions);
2032 commit_set_port_action(flow, base, odp_actions);
2033 commit_set_priority_action(flow, base, odp_actions);