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.
17 #include <arpa/inet.h>
23 #include <netinet/in.h>
24 #include <netinet/icmp6.h>
27 #include "byte-order.h"
29 #include "dynamic-string.h"
33 #include "openvswitch/tunnel.h"
40 VLOG_DEFINE_THIS_MODULE(odp_util);
42 /* The interface between userspace and kernel uses an "OVS_*" prefix.
43 * Since this is fairly non-specific for the OVS userspace components,
44 * "ODP_*" (Open vSwitch Datapath) is used as the prefix for
45 * interactions with the datapath.
48 /* The set of characters that may separate one action or one key attribute
50 static const char *delimiters = ", \t\r\n";
52 static int parse_odp_key_attr(const char *, const struct shash *port_names,
54 static void format_odp_key_attr(const struct nlattr *a, struct ds *ds);
56 /* Returns one the following for the action with the given OVS_ACTION_ATTR_*
59 * - For an action whose argument has a fixed length, returned that
60 * nonnegative length in bytes.
62 * - For an action with a variable-length argument, returns -2.
64 * - For an invalid 'type', returns -1. */
66 odp_action_len(uint16_t type)
68 if (type > OVS_ACTION_ATTR_MAX) {
72 switch ((enum ovs_action_attr) type) {
73 case OVS_ACTION_ATTR_OUTPUT: return sizeof(uint32_t);
74 case OVS_ACTION_ATTR_USERSPACE: return -2;
75 case OVS_ACTION_ATTR_PUSH_VLAN: return sizeof(struct ovs_action_push_vlan);
76 case OVS_ACTION_ATTR_POP_VLAN: return 0;
77 case OVS_ACTION_ATTR_SET: return -2;
78 case OVS_ACTION_ATTR_SAMPLE: return -2;
80 case OVS_ACTION_ATTR_UNSPEC:
81 case __OVS_ACTION_ATTR_MAX:
89 ovs_key_attr_to_string(enum ovs_key_attr attr)
91 static char unknown_attr[3 + INT_STRLEN(unsigned int) + 1];
94 case OVS_KEY_ATTR_UNSPEC: return "unspec";
95 case OVS_KEY_ATTR_ENCAP: return "encap";
96 case OVS_KEY_ATTR_PRIORITY: return "priority";
97 case OVS_KEY_ATTR_IN_PORT: return "in_port";
98 case OVS_KEY_ATTR_ETHERNET: return "eth";
99 case OVS_KEY_ATTR_VLAN: return "vlan";
100 case OVS_KEY_ATTR_ETHERTYPE: return "eth_type";
101 case OVS_KEY_ATTR_IPV4: return "ipv4";
102 case OVS_KEY_ATTR_IPV6: return "ipv6";
103 case OVS_KEY_ATTR_TCP: return "tcp";
104 case OVS_KEY_ATTR_UDP: return "udp";
105 case OVS_KEY_ATTR_ICMP: return "icmp";
106 case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
107 case OVS_KEY_ATTR_ARP: return "arp";
108 case OVS_KEY_ATTR_ND: return "nd";
109 case OVS_KEY_ATTR_TUN_ID: return "tun_id";
111 case __OVS_KEY_ATTR_MAX:
113 snprintf(unknown_attr, sizeof unknown_attr, "key%u",
114 (unsigned int) attr);
120 format_generic_odp_action(struct ds *ds, const struct nlattr *a)
122 size_t len = nl_attr_get_size(a);
124 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
126 const uint8_t *unspec;
129 unspec = nl_attr_get(a);
130 for (i = 0; i < len; i++) {
131 ds_put_char(ds, i ? ' ': '(');
132 ds_put_format(ds, "%02x", unspec[i]);
134 ds_put_char(ds, ')');
139 format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
141 static const struct nl_policy ovs_sample_policy[] = {
142 [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 },
143 [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED }
145 struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
147 const struct nlattr *nla_acts;
150 ds_put_cstr(ds, "sample");
152 if (!nl_parse_nested(attr, ovs_sample_policy, a, ARRAY_SIZE(a))) {
153 ds_put_cstr(ds, "(error)");
157 percentage = (100.0 * nl_attr_get_u32(a[OVS_SAMPLE_ATTR_PROBABILITY])) /
160 ds_put_format(ds, "(sample=%.1f%%,", percentage);
162 ds_put_cstr(ds, "actions(");
163 nla_acts = nl_attr_get(a[OVS_SAMPLE_ATTR_ACTIONS]);
164 len = nl_attr_get_size(a[OVS_SAMPLE_ATTR_ACTIONS]);
165 format_odp_actions(ds, nla_acts, len);
166 ds_put_format(ds, "))");
170 slow_path_reason_to_string(enum slow_path_reason bit)
181 case SLOW_CONTROLLER:
191 format_slow_path_reason(struct ds *ds, uint32_t slow)
196 uint32_t bit = rightmost_1bit(slow);
199 s = slow_path_reason_to_string(bit);
201 ds_put_format(ds, "%s,", s);
210 ds_put_format(ds, "0x%"PRIx32",", bad);
216 format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
218 static const struct nl_policy ovs_userspace_policy[] = {
219 [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 },
220 [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_U64, .optional = true },
222 struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
224 if (!nl_parse_nested(attr, ovs_userspace_policy, a, ARRAY_SIZE(a))) {
225 ds_put_cstr(ds, "userspace(error)");
229 ds_put_format(ds, "userspace(pid=%"PRIu32,
230 nl_attr_get_u32(a[OVS_USERSPACE_ATTR_PID]));
232 if (a[OVS_USERSPACE_ATTR_USERDATA]) {
233 uint64_t userdata = nl_attr_get_u64(a[OVS_USERSPACE_ATTR_USERDATA]);
234 union user_action_cookie cookie;
236 memcpy(&cookie, &userdata, sizeof cookie);
238 switch (cookie.type) {
239 case USER_ACTION_COOKIE_SFLOW:
240 ds_put_format(ds, ",sFlow("
241 "vid=%"PRIu16",pcp=%"PRIu8",output=%"PRIu32")",
242 vlan_tci_to_vid(cookie.sflow.vlan_tci),
243 vlan_tci_to_pcp(cookie.sflow.vlan_tci),
244 cookie.sflow.output);
247 case USER_ACTION_COOKIE_SLOW_PATH:
248 ds_put_cstr(ds, ",slow_path(");
249 if (cookie.slow_path.reason) {
250 format_slow_path_reason(ds, cookie.slow_path.reason);
252 ds_put_char(ds, ')');
255 case USER_ACTION_COOKIE_UNSPEC:
257 ds_put_format(ds, ",userdata=0x%"PRIx64, userdata);
262 ds_put_char(ds, ')');
266 format_vlan_tci(struct ds *ds, ovs_be16 vlan_tci)
268 ds_put_format(ds, "vid=%"PRIu16",pcp=%d",
269 vlan_tci_to_vid(vlan_tci),
270 vlan_tci_to_pcp(vlan_tci));
271 if (!(vlan_tci & htons(VLAN_CFI))) {
272 ds_put_cstr(ds, ",cfi=0");
277 format_odp_action(struct ds *ds, const struct nlattr *a)
280 enum ovs_action_attr type = nl_attr_type(a);
281 const struct ovs_action_push_vlan *vlan;
283 expected_len = odp_action_len(nl_attr_type(a));
284 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
285 ds_put_format(ds, "bad length %zu, expected %d for: ",
286 nl_attr_get_size(a), expected_len);
287 format_generic_odp_action(ds, a);
292 case OVS_ACTION_ATTR_OUTPUT:
293 ds_put_format(ds, "%"PRIu16, nl_attr_get_u32(a));
295 case OVS_ACTION_ATTR_USERSPACE:
296 format_odp_userspace_action(ds, a);
298 case OVS_ACTION_ATTR_SET:
299 ds_put_cstr(ds, "set(");
300 format_odp_key_attr(nl_attr_get(a), ds);
301 ds_put_cstr(ds, ")");
303 case OVS_ACTION_ATTR_PUSH_VLAN:
304 vlan = nl_attr_get(a);
305 ds_put_cstr(ds, "push_vlan(");
306 if (vlan->vlan_tpid != htons(ETH_TYPE_VLAN)) {
307 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(vlan->vlan_tpid));
309 format_vlan_tci(ds, vlan->vlan_tci);
310 ds_put_char(ds, ')');
312 case OVS_ACTION_ATTR_POP_VLAN:
313 ds_put_cstr(ds, "pop_vlan");
315 case OVS_ACTION_ATTR_SAMPLE:
316 format_odp_sample_action(ds, a);
318 case OVS_ACTION_ATTR_UNSPEC:
319 case __OVS_ACTION_ATTR_MAX:
321 format_generic_odp_action(ds, a);
327 format_odp_actions(struct ds *ds, const struct nlattr *actions,
331 const struct nlattr *a;
334 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
336 ds_put_char(ds, ',');
338 format_odp_action(ds, a);
343 if (left == actions_len) {
344 ds_put_cstr(ds, "<empty>");
346 ds_put_format(ds, ",***%u leftover bytes*** (", left);
347 for (i = 0; i < left; i++) {
348 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
350 ds_put_char(ds, ')');
353 ds_put_cstr(ds, "drop");
358 parse_odp_action(const char *s, const struct shash *port_names,
359 struct ofpbuf *actions)
361 /* Many of the sscanf calls in this function use oversized destination
362 * fields because some sscanf() implementations truncate the range of %i
363 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
364 * value of 0x7fff. The other alternatives are to allow only a single
365 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
368 * The tun_id parser has to use an alternative approach because there is no
369 * type larger than 64 bits. */
372 unsigned long long int port;
375 if (sscanf(s, "%lli%n", &port, &n) > 0 && n > 0) {
376 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT, port);
382 int len = strcspn(s, delimiters);
383 struct shash_node *node;
385 node = shash_find_len(port_names, s, len);
387 nl_msg_put_u32(actions, OVS_ACTION_ATTR_OUTPUT,
388 (uintptr_t) node->data);
394 unsigned long long int pid;
395 unsigned long long int output;
400 if (sscanf(s, "userspace(pid=%lli)%n", &pid, &n) > 0 && n > 0) {
401 odp_put_userspace_action(pid, NULL, actions);
403 } else if (sscanf(s, "userspace(pid=%lli,sFlow(vid=%i,"
404 "pcp=%i,output=%lli))%n",
405 &pid, &vid, &pcp, &output, &n) > 0 && n > 0) {
406 union user_action_cookie cookie;
409 tci = vid | (pcp << VLAN_PCP_SHIFT);
414 cookie.type = USER_ACTION_COOKIE_SFLOW;
415 cookie.sflow.vlan_tci = htons(tci);
416 cookie.sflow.output = output;
417 odp_put_userspace_action(pid, &cookie, actions);
419 } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0
421 union user_action_cookie cookie;
423 cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
424 cookie.slow_path.unused = 0;
425 cookie.slow_path.reason = 0;
427 while (s[n] != ')') {
430 for (bit = 1; bit; bit <<= 1) {
431 const char *reason = slow_path_reason_to_string(bit);
432 size_t len = strlen(reason);
435 && !strncmp(s + n, reason, len)
436 && (s[n + len] == ',' || s[n + len] == ')'))
438 cookie.slow_path.reason |= bit;
439 n += len + (s[n + len] == ',');
448 if (s[n + 1] != ')') {
453 odp_put_userspace_action(pid, &cookie, actions);
455 } else if (sscanf(s, "userspace(pid=%lli,userdata="
456 "%31[x0123456789abcdefABCDEF])%n", &pid, userdata_s,
458 union user_action_cookie cookie;
461 userdata = strtoull(userdata_s, NULL, 0);
462 memcpy(&cookie, &userdata, sizeof cookie);
463 odp_put_userspace_action(pid, &cookie, actions);
468 if (!strncmp(s, "set(", 4)) {
472 start_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SET);
473 retval = parse_odp_key_attr(s + 4, port_names, actions);
477 if (s[retval + 4] != ')') {
480 nl_msg_end_nested(actions, start_ofs);
485 struct ovs_action_push_vlan push;
486 int tpid = ETH_TYPE_VLAN;
491 if ((sscanf(s, "push_vlan(vid=%i,pcp=%i)%n", &vid, &pcp, &n) > 0
493 || (sscanf(s, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
494 &vid, &pcp, &cfi, &n) > 0 && n > 0)
495 || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
496 &tpid, &vid, &pcp, &n) > 0 && n > 0)
497 || (sscanf(s, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
498 &tpid, &vid, &pcp, &cfi, &n) > 0 && n > 0)) {
499 push.vlan_tpid = htons(tpid);
500 push.vlan_tci = htons((vid << VLAN_VID_SHIFT)
501 | (pcp << VLAN_PCP_SHIFT)
502 | (cfi ? VLAN_CFI : 0));
503 nl_msg_put_unspec(actions, OVS_ACTION_ATTR_PUSH_VLAN,
510 if (!strncmp(s, "pop_vlan", 8)) {
511 nl_msg_put_flag(actions, OVS_ACTION_ATTR_POP_VLAN);
519 if (sscanf(s, "sample(sample=%lf%%,actions(%n", &percentage, &n) > 0
520 && percentage >= 0. && percentage <= 100.0
522 size_t sample_ofs, actions_ofs;
525 probability = floor(UINT32_MAX * (percentage / 100.0) + .5);
526 sample_ofs = nl_msg_start_nested(actions, OVS_ACTION_ATTR_SAMPLE);
527 nl_msg_put_u32(actions, OVS_SAMPLE_ATTR_PROBABILITY,
528 (probability <= 0 ? 0
529 : probability >= UINT32_MAX ? UINT32_MAX
532 actions_ofs = nl_msg_start_nested(actions,
533 OVS_SAMPLE_ATTR_ACTIONS);
537 n += strspn(s + n, delimiters);
542 retval = parse_odp_action(s + n, port_names, actions);
548 nl_msg_end_nested(actions, actions_ofs);
549 nl_msg_end_nested(actions, sample_ofs);
551 return s[n + 1] == ')' ? n + 2 : -EINVAL;
558 /* Parses the string representation of datapath actions, in the format output
559 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
560 * value. On success, the ODP actions are appended to 'actions' as a series of
561 * Netlink attributes. On failure, no data is appended to 'actions'. Either
562 * way, 'actions''s data might be reallocated. */
564 odp_actions_from_string(const char *s, const struct shash *port_names,
565 struct ofpbuf *actions)
569 if (!strcasecmp(s, "drop")) {
573 old_size = actions->size;
577 s += strspn(s, delimiters);
582 retval = parse_odp_action(s, port_names, actions);
583 if (retval < 0 || !strchr(delimiters, s[retval])) {
584 actions->size = old_size;
593 /* Returns the correct length of the payload for a flow key attribute of the
594 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
595 * is variable length. */
597 odp_flow_key_attr_len(uint16_t type)
599 if (type > OVS_KEY_ATTR_MAX) {
603 switch ((enum ovs_key_attr) type) {
604 case OVS_KEY_ATTR_ENCAP: return -2;
605 case OVS_KEY_ATTR_PRIORITY: return 4;
606 case OVS_KEY_ATTR_TUN_ID: return 8;
607 case OVS_KEY_ATTR_IN_PORT: return 4;
608 case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
609 case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
610 case OVS_KEY_ATTR_ETHERTYPE: return 2;
611 case OVS_KEY_ATTR_IPV4: return sizeof(struct ovs_key_ipv4);
612 case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
613 case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
614 case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
615 case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
616 case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
617 case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
618 case OVS_KEY_ATTR_ND: return sizeof(struct ovs_key_nd);
620 case OVS_KEY_ATTR_UNSPEC:
621 case __OVS_KEY_ATTR_MAX:
629 format_generic_odp_key(const struct nlattr *a, struct ds *ds)
631 size_t len = nl_attr_get_size(a);
633 const uint8_t *unspec;
636 unspec = nl_attr_get(a);
637 for (i = 0; i < len; i++) {
638 ds_put_char(ds, i ? ' ': '(');
639 ds_put_format(ds, "%02x", unspec[i]);
641 ds_put_char(ds, ')');
646 ovs_frag_type_to_string(enum ovs_frag_type type)
649 case OVS_FRAG_TYPE_NONE:
651 case OVS_FRAG_TYPE_FIRST:
653 case OVS_FRAG_TYPE_LATER:
655 case __OVS_FRAG_TYPE_MAX:
662 format_odp_key_attr(const struct nlattr *a, struct ds *ds)
664 const struct ovs_key_ethernet *eth_key;
665 const struct ovs_key_ipv4 *ipv4_key;
666 const struct ovs_key_ipv6 *ipv6_key;
667 const struct ovs_key_tcp *tcp_key;
668 const struct ovs_key_udp *udp_key;
669 const struct ovs_key_icmp *icmp_key;
670 const struct ovs_key_icmpv6 *icmpv6_key;
671 const struct ovs_key_arp *arp_key;
672 const struct ovs_key_nd *nd_key;
673 enum ovs_key_attr attr = nl_attr_type(a);
676 ds_put_cstr(ds, ovs_key_attr_to_string(attr));
677 expected_len = odp_flow_key_attr_len(nl_attr_type(a));
678 if (expected_len != -2 && nl_attr_get_size(a) != expected_len) {
679 ds_put_format(ds, "(bad length %zu, expected %d)",
681 odp_flow_key_attr_len(nl_attr_type(a)));
682 format_generic_odp_key(a, ds);
687 case OVS_KEY_ATTR_ENCAP:
688 ds_put_cstr(ds, "(");
689 if (nl_attr_get_size(a)) {
690 odp_flow_key_format(nl_attr_get(a), nl_attr_get_size(a), ds);
692 ds_put_char(ds, ')');
695 case OVS_KEY_ATTR_PRIORITY:
696 ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
699 case OVS_KEY_ATTR_TUN_ID:
700 ds_put_format(ds, "(%#"PRIx64")", ntohll(nl_attr_get_be64(a)));
703 case OVS_KEY_ATTR_IN_PORT:
704 ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
707 case OVS_KEY_ATTR_ETHERNET:
708 eth_key = nl_attr_get(a);
709 ds_put_format(ds, "(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")",
710 ETH_ADDR_ARGS(eth_key->eth_src),
711 ETH_ADDR_ARGS(eth_key->eth_dst));
714 case OVS_KEY_ATTR_VLAN:
715 ds_put_char(ds, '(');
716 format_vlan_tci(ds, nl_attr_get_be16(a));
717 ds_put_char(ds, ')');
720 case OVS_KEY_ATTR_ETHERTYPE:
721 ds_put_format(ds, "(0x%04"PRIx16")",
722 ntohs(nl_attr_get_be16(a)));
725 case OVS_KEY_ATTR_IPV4:
726 ipv4_key = nl_attr_get(a);
727 ds_put_format(ds, "(src="IP_FMT",dst="IP_FMT",proto=%"PRIu8
728 ",tos=%#"PRIx8",ttl=%"PRIu8",frag=%s)",
729 IP_ARGS(&ipv4_key->ipv4_src),
730 IP_ARGS(&ipv4_key->ipv4_dst),
731 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos,
733 ovs_frag_type_to_string(ipv4_key->ipv4_frag));
736 case OVS_KEY_ATTR_IPV6: {
737 char src_str[INET6_ADDRSTRLEN];
738 char dst_str[INET6_ADDRSTRLEN];
740 ipv6_key = nl_attr_get(a);
741 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
742 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
744 ds_put_format(ds, "(src=%s,dst=%s,label=%#"PRIx32",proto=%"PRIu8
745 ",tclass=%#"PRIx8",hlimit=%"PRIu8",frag=%s)",
746 src_str, dst_str, ntohl(ipv6_key->ipv6_label),
747 ipv6_key->ipv6_proto, ipv6_key->ipv6_tclass,
748 ipv6_key->ipv6_hlimit,
749 ovs_frag_type_to_string(ipv6_key->ipv6_frag));
753 case OVS_KEY_ATTR_TCP:
754 tcp_key = nl_attr_get(a);
755 ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
756 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
759 case OVS_KEY_ATTR_UDP:
760 udp_key = nl_attr_get(a);
761 ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
762 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
765 case OVS_KEY_ATTR_ICMP:
766 icmp_key = nl_attr_get(a);
767 ds_put_format(ds, "(type=%"PRIu8",code=%"PRIu8")",
768 icmp_key->icmp_type, icmp_key->icmp_code);
771 case OVS_KEY_ATTR_ICMPV6:
772 icmpv6_key = nl_attr_get(a);
773 ds_put_format(ds, "(type=%"PRIu8",code=%"PRIu8")",
774 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
777 case OVS_KEY_ATTR_ARP:
778 arp_key = nl_attr_get(a);
779 ds_put_format(ds, "(sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
780 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT")",
781 IP_ARGS(&arp_key->arp_sip), IP_ARGS(&arp_key->arp_tip),
782 ntohs(arp_key->arp_op), ETH_ADDR_ARGS(arp_key->arp_sha),
783 ETH_ADDR_ARGS(arp_key->arp_tha));
786 case OVS_KEY_ATTR_ND: {
787 char target[INET6_ADDRSTRLEN];
789 nd_key = nl_attr_get(a);
790 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
792 ds_put_format(ds, "(target=%s", target);
793 if (!eth_addr_is_zero(nd_key->nd_sll)) {
794 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
795 ETH_ADDR_ARGS(nd_key->nd_sll));
797 if (!eth_addr_is_zero(nd_key->nd_tll)) {
798 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
799 ETH_ADDR_ARGS(nd_key->nd_tll));
801 ds_put_char(ds, ')');
805 case OVS_KEY_ATTR_UNSPEC:
806 case __OVS_KEY_ATTR_MAX:
808 format_generic_odp_key(a, ds);
813 /* Appends to 'ds' a string representation of the 'key_len' bytes of
814 * OVS_KEY_ATTR_* attributes in 'key'. */
816 odp_flow_key_format(const struct nlattr *key, size_t key_len, struct ds *ds)
819 const struct nlattr *a;
822 NL_ATTR_FOR_EACH (a, left, key, key_len) {
824 ds_put_char(ds, ',');
826 format_odp_key_attr(a, ds);
831 if (left == key_len) {
832 ds_put_cstr(ds, "<empty>");
834 ds_put_format(ds, ",***%u leftover bytes*** (", left);
835 for (i = 0; i < left; i++) {
836 ds_put_format(ds, "%02x", ((const uint8_t *) a)[i]);
838 ds_put_char(ds, ')');
841 ds_put_cstr(ds, "<empty>");
846 put_nd_key(int n, const char *nd_target_s,
847 const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *key)
849 struct ovs_key_nd nd_key;
851 memset(&nd_key, 0, sizeof nd_key);
852 if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
856 memcpy(nd_key.nd_sll, nd_sll, ETH_ADDR_LEN);
859 memcpy(nd_key.nd_tll, nd_tll, ETH_ADDR_LEN);
861 nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, &nd_key, sizeof nd_key);
866 ovs_frag_type_from_string(const char *s, enum ovs_frag_type *type)
868 if (!strcasecmp(s, "no")) {
869 *type = OVS_FRAG_TYPE_NONE;
870 } else if (!strcasecmp(s, "first")) {
871 *type = OVS_FRAG_TYPE_FIRST;
872 } else if (!strcasecmp(s, "later")) {
873 *type = OVS_FRAG_TYPE_LATER;
881 parse_odp_key_attr(const char *s, const struct shash *port_names,
884 /* Many of the sscanf calls in this function use oversized destination
885 * fields because some sscanf() implementations truncate the range of %i
886 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
887 * value of 0x7fff. The other alternatives are to allow only a single
888 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
891 * The tun_id parser has to use an alternative approach because there is no
892 * type larger than 64 bits. */
895 unsigned long long int priority;
898 if (sscanf(s, "priority(%lli)%n", &priority, &n) > 0 && n > 0) {
899 nl_msg_put_u32(key, OVS_KEY_ATTR_PRIORITY, priority);
908 if (sscanf(s, "tun_id(%31[x0123456789abcdefABCDEF])%n",
909 tun_id_s, &n) > 0 && n > 0) {
910 uint64_t tun_id = strtoull(tun_id_s, NULL, 0);
911 nl_msg_put_be64(key, OVS_KEY_ATTR_TUN_ID, htonll(tun_id));
917 unsigned long long int in_port;
920 if (sscanf(s, "in_port(%lli)%n", &in_port, &n) > 0 && n > 0) {
921 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, in_port);
926 if (port_names && !strncmp(s, "in_port(", 8)) {
928 const struct shash_node *node;
932 name_len = strcspn(s, ")");
933 node = shash_find_len(port_names, name, name_len);
935 nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, (uintptr_t) node->data);
936 return 8 + name_len + 1;
941 struct ovs_key_ethernet eth_key;
945 "eth(src="ETH_ADDR_SCAN_FMT",dst="ETH_ADDR_SCAN_FMT")%n",
946 ETH_ADDR_SCAN_ARGS(eth_key.eth_src),
947 ETH_ADDR_SCAN_ARGS(eth_key.eth_dst), &n) > 0 && n > 0) {
948 nl_msg_put_unspec(key, OVS_KEY_ATTR_ETHERNET,
949 ð_key, sizeof eth_key);
960 if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i)%n", &vid, &pcp, &n) > 0
962 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
963 htons((vid << VLAN_VID_SHIFT) |
964 (pcp << VLAN_PCP_SHIFT) |
967 } else if ((sscanf(s, "vlan(vid=%"SCNi16",pcp=%i,cfi=%i)%n",
968 &vid, &pcp, &cfi, &n) > 0
970 nl_msg_put_be16(key, OVS_KEY_ATTR_VLAN,
971 htons((vid << VLAN_VID_SHIFT) |
972 (pcp << VLAN_PCP_SHIFT) |
973 (cfi ? VLAN_CFI : 0)));
982 if (sscanf(s, "eth_type(%i)%n", ð_type, &n) > 0 && n > 0) {
983 nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
995 enum ovs_frag_type ipv4_frag;
998 if (sscanf(s, "ipv4(src="IP_SCAN_FMT",dst="IP_SCAN_FMT","
999 "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n",
1000 IP_SCAN_ARGS(&ipv4_src), IP_SCAN_ARGS(&ipv4_dst),
1001 &ipv4_proto, &ipv4_tos, &ipv4_ttl, frag, &n) > 0
1003 && ovs_frag_type_from_string(frag, &ipv4_frag)) {
1004 struct ovs_key_ipv4 ipv4_key;
1006 ipv4_key.ipv4_src = ipv4_src;
1007 ipv4_key.ipv4_dst = ipv4_dst;
1008 ipv4_key.ipv4_proto = ipv4_proto;
1009 ipv4_key.ipv4_tos = ipv4_tos;
1010 ipv4_key.ipv4_ttl = ipv4_ttl;
1011 ipv4_key.ipv4_frag = ipv4_frag;
1012 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4,
1013 &ipv4_key, sizeof ipv4_key);
1019 char ipv6_src_s[IPV6_SCAN_LEN + 1];
1020 char ipv6_dst_s[IPV6_SCAN_LEN + 1];
1026 enum ovs_frag_type ipv6_frag;
1029 if (sscanf(s, "ipv6(src="IPV6_SCAN_FMT",dst="IPV6_SCAN_FMT","
1030 "label=%i,proto=%i,tclass=%i,hlimit=%i,frag=%7[a-z])%n",
1031 ipv6_src_s, ipv6_dst_s, &ipv6_label,
1032 &ipv6_proto, &ipv6_tclass, &ipv6_hlimit, frag, &n) > 0
1034 && ovs_frag_type_from_string(frag, &ipv6_frag)) {
1035 struct ovs_key_ipv6 ipv6_key;
1037 if (inet_pton(AF_INET6, ipv6_src_s, &ipv6_key.ipv6_src) != 1 ||
1038 inet_pton(AF_INET6, ipv6_dst_s, &ipv6_key.ipv6_dst) != 1) {
1041 ipv6_key.ipv6_label = htonl(ipv6_label);
1042 ipv6_key.ipv6_proto = ipv6_proto;
1043 ipv6_key.ipv6_tclass = ipv6_tclass;
1044 ipv6_key.ipv6_hlimit = ipv6_hlimit;
1045 ipv6_key.ipv6_frag = ipv6_frag;
1046 nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV6,
1047 &ipv6_key, sizeof ipv6_key);
1057 if (sscanf(s, "tcp(src=%i,dst=%i)%n",&tcp_src, &tcp_dst, &n) > 0
1059 struct ovs_key_tcp tcp_key;
1061 tcp_key.tcp_src = htons(tcp_src);
1062 tcp_key.tcp_dst = htons(tcp_dst);
1063 nl_msg_put_unspec(key, OVS_KEY_ATTR_TCP, &tcp_key, sizeof tcp_key);
1073 if (sscanf(s, "udp(src=%i,dst=%i)%n", &udp_src, &udp_dst, &n) > 0
1075 struct ovs_key_udp udp_key;
1077 udp_key.udp_src = htons(udp_src);
1078 udp_key.udp_dst = htons(udp_dst);
1079 nl_msg_put_unspec(key, OVS_KEY_ATTR_UDP, &udp_key, sizeof udp_key);
1089 if (sscanf(s, "icmp(type=%i,code=%i)%n",
1090 &icmp_type, &icmp_code, &n) > 0
1092 struct ovs_key_icmp icmp_key;
1094 icmp_key.icmp_type = icmp_type;
1095 icmp_key.icmp_code = icmp_code;
1096 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMP,
1097 &icmp_key, sizeof icmp_key);
1103 struct ovs_key_icmpv6 icmpv6_key;
1106 if (sscanf(s, "icmpv6(type=%"SCNi8",code=%"SCNi8")%n",
1107 &icmpv6_key.icmpv6_type, &icmpv6_key.icmpv6_code,&n) > 0
1109 nl_msg_put_unspec(key, OVS_KEY_ATTR_ICMPV6,
1110 &icmpv6_key, sizeof icmpv6_key);
1119 uint8_t arp_sha[ETH_ADDR_LEN];
1120 uint8_t arp_tha[ETH_ADDR_LEN];
1123 if (sscanf(s, "arp(sip="IP_SCAN_FMT",tip="IP_SCAN_FMT","
1124 "op=%i,sha="ETH_ADDR_SCAN_FMT",tha="ETH_ADDR_SCAN_FMT")%n",
1125 IP_SCAN_ARGS(&arp_sip),
1126 IP_SCAN_ARGS(&arp_tip),
1128 ETH_ADDR_SCAN_ARGS(arp_sha),
1129 ETH_ADDR_SCAN_ARGS(arp_tha), &n) > 0 && n > 0) {
1130 struct ovs_key_arp arp_key;
1132 memset(&arp_key, 0, sizeof arp_key);
1133 arp_key.arp_sip = arp_sip;
1134 arp_key.arp_tip = arp_tip;
1135 arp_key.arp_op = htons(arp_op);
1136 memcpy(arp_key.arp_sha, arp_sha, ETH_ADDR_LEN);
1137 memcpy(arp_key.arp_tha, arp_tha, ETH_ADDR_LEN);
1138 nl_msg_put_unspec(key, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
1144 char nd_target_s[IPV6_SCAN_LEN + 1];
1145 uint8_t nd_sll[ETH_ADDR_LEN];
1146 uint8_t nd_tll[ETH_ADDR_LEN];
1149 if (sscanf(s, "nd(target="IPV6_SCAN_FMT")%n",
1150 nd_target_s, &n) > 0 && n > 0) {
1151 return put_nd_key(n, nd_target_s, NULL, NULL, key);
1153 if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT")%n",
1154 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n) > 0
1156 return put_nd_key(n, nd_target_s, nd_sll, NULL, key);
1158 if (sscanf(s, "nd(target="IPV6_SCAN_FMT",tll="ETH_ADDR_SCAN_FMT")%n",
1159 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
1161 return put_nd_key(n, nd_target_s, NULL, nd_tll, key);
1163 if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT","
1164 "tll="ETH_ADDR_SCAN_FMT")%n",
1165 nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
1166 ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
1168 return put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
1172 if (!strncmp(s, "encap(", 6)) {
1173 const char *start = s;
1176 encap = nl_msg_start_nested(key, OVS_KEY_ATTR_ENCAP);
1182 s += strspn(s, ", \t\r\n");
1185 } else if (*s == ')') {
1189 retval = parse_odp_key_attr(s, port_names, key);
1197 nl_msg_end_nested(key, encap);
1205 /* Parses the string representation of a datapath flow key, in the
1206 * format output by odp_flow_key_format(). Returns 0 if successful,
1207 * otherwise a positive errno value. On success, the flow key is
1208 * appended to 'key' as a series of Netlink attributes. On failure, no
1209 * data is appended to 'key'. Either way, 'key''s data might be
1212 * If 'port_names' is nonnull, it points to an shash that maps from a port name
1213 * to a port number cast to void *. (Port names may be used instead of port
1214 * numbers in in_port.)
1216 * On success, the attributes appended to 'key' are individually syntactically
1217 * valid, but they may not be valid as a sequence. 'key' might, for example,
1218 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
1220 odp_flow_key_from_string(const char *s, const struct shash *port_names,
1223 const size_t old_size = key->size;
1227 s += strspn(s, delimiters);
1232 retval = parse_odp_key_attr(s, port_names, key);
1234 key->size = old_size;
1244 ovs_to_odp_frag(uint8_t nw_frag)
1246 return (nw_frag == 0 ? OVS_FRAG_TYPE_NONE
1247 : nw_frag == FLOW_NW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
1248 : OVS_FRAG_TYPE_LATER);
1251 /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. */
1253 odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
1255 struct ovs_key_ethernet *eth_key;
1258 if (flow->skb_priority) {
1259 nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, flow->skb_priority);
1262 if (flow->tun_id != htonll(0)) {
1263 nl_msg_put_be64(buf, OVS_KEY_ATTR_TUN_ID, flow->tun_id);
1266 if (flow->in_port != OFPP_NONE && flow->in_port != OFPP_CONTROLLER) {
1267 nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT,
1268 ofp_port_to_odp_port(flow->in_port));
1271 eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
1273 memcpy(eth_key->eth_src, flow->dl_src, ETH_ADDR_LEN);
1274 memcpy(eth_key->eth_dst, flow->dl_dst, ETH_ADDR_LEN);
1276 if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
1277 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
1278 nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, flow->vlan_tci);
1279 encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
1280 if (flow->vlan_tci == htons(0)) {
1287 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
1291 nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, flow->dl_type);
1293 if (flow->dl_type == htons(ETH_TYPE_IP)) {
1294 struct ovs_key_ipv4 *ipv4_key;
1296 ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
1298 ipv4_key->ipv4_src = flow->nw_src;
1299 ipv4_key->ipv4_dst = flow->nw_dst;
1300 ipv4_key->ipv4_proto = flow->nw_proto;
1301 ipv4_key->ipv4_tos = flow->nw_tos;
1302 ipv4_key->ipv4_ttl = flow->nw_ttl;
1303 ipv4_key->ipv4_frag = ovs_to_odp_frag(flow->nw_frag);
1304 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
1305 struct ovs_key_ipv6 *ipv6_key;
1307 ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
1309 memcpy(ipv6_key->ipv6_src, &flow->ipv6_src, sizeof ipv6_key->ipv6_src);
1310 memcpy(ipv6_key->ipv6_dst, &flow->ipv6_dst, sizeof ipv6_key->ipv6_dst);
1311 ipv6_key->ipv6_label = flow->ipv6_label;
1312 ipv6_key->ipv6_proto = flow->nw_proto;
1313 ipv6_key->ipv6_tclass = flow->nw_tos;
1314 ipv6_key->ipv6_hlimit = flow->nw_ttl;
1315 ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag);
1316 } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
1317 struct ovs_key_arp *arp_key;
1319 arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP,
1321 memset(arp_key, 0, sizeof *arp_key);
1322 arp_key->arp_sip = flow->nw_src;
1323 arp_key->arp_tip = flow->nw_dst;
1324 arp_key->arp_op = htons(flow->nw_proto);
1325 memcpy(arp_key->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
1326 memcpy(arp_key->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
1329 if ((flow->dl_type == htons(ETH_TYPE_IP)
1330 || flow->dl_type == htons(ETH_TYPE_IPV6))
1331 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1333 if (flow->nw_proto == IPPROTO_TCP) {
1334 struct ovs_key_tcp *tcp_key;
1336 tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
1338 tcp_key->tcp_src = flow->tp_src;
1339 tcp_key->tcp_dst = flow->tp_dst;
1340 } else if (flow->nw_proto == IPPROTO_UDP) {
1341 struct ovs_key_udp *udp_key;
1343 udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
1345 udp_key->udp_src = flow->tp_src;
1346 udp_key->udp_dst = flow->tp_dst;
1347 } else if (flow->dl_type == htons(ETH_TYPE_IP)
1348 && flow->nw_proto == IPPROTO_ICMP) {
1349 struct ovs_key_icmp *icmp_key;
1351 icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
1353 icmp_key->icmp_type = ntohs(flow->tp_src);
1354 icmp_key->icmp_code = ntohs(flow->tp_dst);
1355 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
1356 && flow->nw_proto == IPPROTO_ICMPV6) {
1357 struct ovs_key_icmpv6 *icmpv6_key;
1359 icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
1360 sizeof *icmpv6_key);
1361 icmpv6_key->icmpv6_type = ntohs(flow->tp_src);
1362 icmpv6_key->icmpv6_code = ntohs(flow->tp_dst);
1364 if (icmpv6_key->icmpv6_type == ND_NEIGHBOR_SOLICIT
1365 || icmpv6_key->icmpv6_type == ND_NEIGHBOR_ADVERT) {
1366 struct ovs_key_nd *nd_key;
1368 nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
1370 memcpy(nd_key->nd_target, &flow->nd_target,
1371 sizeof nd_key->nd_target);
1372 memcpy(nd_key->nd_sll, flow->arp_sha, ETH_ADDR_LEN);
1373 memcpy(nd_key->nd_tll, flow->arp_tha, ETH_ADDR_LEN);
1380 nl_msg_end_nested(buf, encap);
1385 odp_flow_key_hash(const struct nlattr *key, size_t key_len)
1387 BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
1388 return hash_words((const uint32_t *) key, key_len / sizeof(uint32_t), 0);
1392 log_odp_key_attributes(struct vlog_rate_limit *rl, const char *title,
1393 uint64_t attrs, int out_of_range_attr,
1394 const struct nlattr *key, size_t key_len)
1399 if (VLOG_DROP_DBG(rl)) {
1404 for (i = 0; i < 64; i++) {
1405 if (attrs & (UINT64_C(1) << i)) {
1406 ds_put_format(&s, " %s", ovs_key_attr_to_string(i));
1409 if (out_of_range_attr) {
1410 ds_put_format(&s, " %d (and possibly others)", out_of_range_attr);
1413 ds_put_cstr(&s, ": ");
1414 odp_flow_key_format(key, key_len, &s);
1416 VLOG_DBG("%s:%s", title, ds_cstr(&s));
1421 odp_to_ovs_frag(uint8_t odp_frag, struct flow *flow)
1423 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1425 if (odp_frag > OVS_FRAG_TYPE_LATER) {
1426 VLOG_ERR_RL(&rl, "invalid frag %"PRIu8" in flow key", odp_frag);
1430 if (odp_frag != OVS_FRAG_TYPE_NONE) {
1431 flow->nw_frag |= FLOW_NW_FRAG_ANY;
1432 if (odp_frag == OVS_FRAG_TYPE_LATER) {
1433 flow->nw_frag |= FLOW_NW_FRAG_LATER;
1440 parse_flow_nlattrs(const struct nlattr *key, size_t key_len,
1441 const struct nlattr *attrs[], uint64_t *present_attrsp,
1442 int *out_of_range_attrp)
1444 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
1445 const struct nlattr *nla;
1446 uint64_t present_attrs;
1450 *out_of_range_attrp = 0;
1451 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
1452 uint16_t type = nl_attr_type(nla);
1453 size_t len = nl_attr_get_size(nla);
1454 int expected_len = odp_flow_key_attr_len(type);
1456 if (len != expected_len && expected_len >= 0) {
1457 VLOG_ERR_RL(&rl, "attribute %s has length %zu but should have "
1458 "length %d", ovs_key_attr_to_string(type),
1463 if (type >= CHAR_BIT * sizeof present_attrs) {
1464 *out_of_range_attrp = type;
1466 if (present_attrs & (UINT64_C(1) << type)) {
1467 VLOG_ERR_RL(&rl, "duplicate %s attribute in flow key",
1468 ovs_key_attr_to_string(type));
1472 present_attrs |= UINT64_C(1) << type;
1477 VLOG_ERR_RL(&rl, "trailing garbage in flow key");
1481 *present_attrsp = present_attrs;
1485 static enum odp_key_fitness
1486 check_expectations(uint64_t present_attrs, int out_of_range_attr,
1487 uint64_t expected_attrs,
1488 const struct nlattr *key, size_t key_len)
1490 uint64_t missing_attrs;
1491 uint64_t extra_attrs;
1493 missing_attrs = expected_attrs & ~present_attrs;
1494 if (missing_attrs) {
1495 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
1496 log_odp_key_attributes(&rl, "expected but not present",
1497 missing_attrs, 0, key, key_len);
1498 return ODP_FIT_TOO_LITTLE;
1501 extra_attrs = present_attrs & ~expected_attrs;
1502 if (extra_attrs || out_of_range_attr) {
1503 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
1504 log_odp_key_attributes(&rl, "present but not expected",
1505 extra_attrs, out_of_range_attr, key, key_len);
1506 return ODP_FIT_TOO_MUCH;
1509 return ODP_FIT_PERFECT;
1513 parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
1514 uint64_t present_attrs, uint64_t *expected_attrs,
1517 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1519 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
1520 flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
1521 if (ntohs(flow->dl_type) < 1536) {
1522 VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
1523 ntohs(flow->dl_type));
1526 *expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
1528 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
1533 static enum odp_key_fitness
1534 parse_l3_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
1535 uint64_t present_attrs, int out_of_range_attr,
1536 uint64_t expected_attrs, struct flow *flow,
1537 const struct nlattr *key, size_t key_len)
1539 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1541 if (flow->dl_type == htons(ETH_TYPE_IP)) {
1542 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
1543 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
1544 const struct ovs_key_ipv4 *ipv4_key;
1546 ipv4_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV4]);
1547 flow->nw_src = ipv4_key->ipv4_src;
1548 flow->nw_dst = ipv4_key->ipv4_dst;
1549 flow->nw_proto = ipv4_key->ipv4_proto;
1550 flow->nw_tos = ipv4_key->ipv4_tos;
1551 flow->nw_ttl = ipv4_key->ipv4_ttl;
1552 if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
1553 return ODP_FIT_ERROR;
1556 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
1557 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
1558 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
1559 const struct ovs_key_ipv6 *ipv6_key;
1561 ipv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_IPV6]);
1562 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
1563 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
1564 flow->ipv6_label = ipv6_key->ipv6_label;
1565 flow->nw_proto = ipv6_key->ipv6_proto;
1566 flow->nw_tos = ipv6_key->ipv6_tclass;
1567 flow->nw_ttl = ipv6_key->ipv6_hlimit;
1568 if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
1569 return ODP_FIT_ERROR;
1572 } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
1573 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
1574 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
1575 const struct ovs_key_arp *arp_key;
1577 arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
1578 flow->nw_src = arp_key->arp_sip;
1579 flow->nw_dst = arp_key->arp_tip;
1580 if (arp_key->arp_op & htons(0xff00)) {
1581 VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
1582 "key", ntohs(arp_key->arp_op));
1583 return ODP_FIT_ERROR;
1585 flow->nw_proto = ntohs(arp_key->arp_op);
1586 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
1587 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
1591 if (flow->nw_proto == IPPROTO_TCP
1592 && (flow->dl_type == htons(ETH_TYPE_IP) ||
1593 flow->dl_type == htons(ETH_TYPE_IPV6))
1594 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1595 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
1596 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
1597 const struct ovs_key_tcp *tcp_key;
1599 tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
1600 flow->tp_src = tcp_key->tcp_src;
1601 flow->tp_dst = tcp_key->tcp_dst;
1603 } else if (flow->nw_proto == IPPROTO_UDP
1604 && (flow->dl_type == htons(ETH_TYPE_IP) ||
1605 flow->dl_type == htons(ETH_TYPE_IPV6))
1606 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1607 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
1608 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
1609 const struct ovs_key_udp *udp_key;
1611 udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
1612 flow->tp_src = udp_key->udp_src;
1613 flow->tp_dst = udp_key->udp_dst;
1615 } else if (flow->nw_proto == IPPROTO_ICMP
1616 && flow->dl_type == htons(ETH_TYPE_IP)
1617 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1618 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
1619 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
1620 const struct ovs_key_icmp *icmp_key;
1622 icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
1623 flow->tp_src = htons(icmp_key->icmp_type);
1624 flow->tp_dst = htons(icmp_key->icmp_code);
1626 } else if (flow->nw_proto == IPPROTO_ICMPV6
1627 && flow->dl_type == htons(ETH_TYPE_IPV6)
1628 && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
1629 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
1630 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
1631 const struct ovs_key_icmpv6 *icmpv6_key;
1633 icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
1634 flow->tp_src = htons(icmpv6_key->icmpv6_type);
1635 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
1637 if (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
1638 flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) {
1639 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
1640 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
1641 const struct ovs_key_nd *nd_key;
1643 nd_key = nl_attr_get(attrs[OVS_KEY_ATTR_ND]);
1644 memcpy(&flow->nd_target, nd_key->nd_target,
1645 sizeof flow->nd_target);
1646 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
1647 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
1653 return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
1657 /* Parse 802.1Q header then encapsulated L3 attributes. */
1658 static enum odp_key_fitness
1659 parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
1660 uint64_t present_attrs, int out_of_range_attr,
1661 uint64_t expected_attrs, struct flow *flow,
1662 const struct nlattr *key, size_t key_len)
1664 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1666 const struct nlattr *encap
1667 = (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
1668 ? attrs[OVS_KEY_ATTR_ENCAP] : NULL);
1669 enum odp_key_fitness encap_fitness;
1670 enum odp_key_fitness fitness;
1673 /* Calulate fitness of outer attributes. */
1674 expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
1675 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
1676 fitness = check_expectations(present_attrs, out_of_range_attr,
1677 expected_attrs, key, key_len);
1679 /* Get the VLAN TCI value. */
1680 if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
1681 return ODP_FIT_TOO_LITTLE;
1683 tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
1684 if (tci == htons(0)) {
1685 /* Corner case for a truncated 802.1Q header. */
1686 if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
1687 return ODP_FIT_TOO_MUCH;
1690 } else if (!(tci & htons(VLAN_CFI))) {
1691 VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
1692 "but CFI bit is not set", ntohs(tci));
1693 return ODP_FIT_ERROR;
1697 * Remove the TPID from dl_type since it's not the real Ethertype. */
1698 flow->vlan_tci = tci;
1699 flow->dl_type = htons(0);
1701 /* Now parse the encapsulated attributes. */
1702 if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
1703 attrs, &present_attrs, &out_of_range_attr)) {
1704 return ODP_FIT_ERROR;
1708 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
1709 return ODP_FIT_ERROR;
1711 encap_fitness = parse_l3_onward(attrs, present_attrs, out_of_range_attr,
1712 expected_attrs, flow, key, key_len);
1714 /* The overall fitness is the worse of the outer and inner attributes. */
1715 return MAX(fitness, encap_fitness);
1718 /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
1719 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
1720 * 'key' fits our expectations for what a flow key should contain.
1722 * This function doesn't take the packet itself as an argument because none of
1723 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
1724 * it is always possible to infer which additional attribute(s) should appear
1725 * by looking at the attributes for lower-level protocols, e.g. if the network
1726 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
1727 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
1728 * must be absent. */
1729 enum odp_key_fitness
1730 odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
1733 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1734 const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
1735 uint64_t expected_attrs;
1736 uint64_t present_attrs;
1737 int out_of_range_attr;
1739 memset(flow, 0, sizeof *flow);
1741 /* Parse attributes. */
1742 if (!parse_flow_nlattrs(key, key_len, attrs, &present_attrs,
1743 &out_of_range_attr)) {
1744 return ODP_FIT_ERROR;
1749 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY)) {
1750 flow->skb_priority = nl_attr_get_u32(attrs[OVS_KEY_ATTR_PRIORITY]);
1751 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY;
1754 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUN_ID)) {
1755 flow->tun_id = nl_attr_get_be64(attrs[OVS_KEY_ATTR_TUN_ID]);
1756 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUN_ID;
1759 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
1760 uint32_t in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
1761 if (in_port >= UINT16_MAX || in_port >= OFPP_MAX) {
1762 VLOG_ERR_RL(&rl, "in_port %"PRIu32" out of supported range",
1764 return ODP_FIT_ERROR;
1766 flow->in_port = odp_port_to_ofp_port(in_port);
1767 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
1769 flow->in_port = OFPP_NONE;
1772 /* Ethernet header. */
1773 if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET)) {
1774 const struct ovs_key_ethernet *eth_key;
1776 eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
1777 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
1778 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
1780 expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
1782 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
1783 if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
1784 return ODP_FIT_ERROR;
1787 if (flow->dl_type == htons(ETH_TYPE_VLAN)) {
1788 return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
1789 expected_attrs, flow, key, key_len);
1791 return parse_l3_onward(attrs, present_attrs, out_of_range_attr,
1792 expected_attrs, flow, key, key_len);
1795 /* Returns 'fitness' as a string, for use in debug messages. */
1797 odp_key_fitness_to_string(enum odp_key_fitness fitness)
1800 case ODP_FIT_PERFECT:
1802 case ODP_FIT_TOO_MUCH:
1804 case ODP_FIT_TOO_LITTLE:
1805 return "too_little";
1813 /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
1814 * Netlink PID 'pid'. If 'cookie' is nonnull, adds a userdata attribute whose
1815 * contents contains 'cookie' and returns the offset within 'odp_actions' of
1816 * the start of the cookie. (If 'cookie' is null, then the return value is not
1819 odp_put_userspace_action(uint32_t pid, const union user_action_cookie *cookie,
1820 struct ofpbuf *odp_actions)
1824 offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_USERSPACE);
1825 nl_msg_put_u32(odp_actions, OVS_USERSPACE_ATTR_PID, pid);
1827 nl_msg_put_unspec(odp_actions, OVS_USERSPACE_ATTR_USERDATA,
1828 cookie, sizeof *cookie);
1830 nl_msg_end_nested(odp_actions, offset);
1832 return cookie ? odp_actions->size - NLA_ALIGN(sizeof *cookie) : 0;
1835 /* The commit_odp_actions() function and its helpers. */
1838 commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
1839 const void *key, size_t key_size)
1841 size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
1842 nl_msg_put_unspec(odp_actions, key_type, key, key_size);
1843 nl_msg_end_nested(odp_actions, offset);
1847 commit_set_tun_id_action(const struct flow *flow, struct flow *base,
1848 struct ofpbuf *odp_actions)
1850 if (base->tun_id == flow->tun_id) {
1853 base->tun_id = flow->tun_id;
1855 commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
1856 &base->tun_id, sizeof(base->tun_id));
1860 commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
1861 struct ofpbuf *odp_actions)
1863 struct ovs_key_ethernet eth_key;
1865 if (eth_addr_equals(base->dl_src, flow->dl_src) &&
1866 eth_addr_equals(base->dl_dst, flow->dl_dst)) {
1870 memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
1871 memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
1873 memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
1874 memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
1876 commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
1877 ð_key, sizeof(eth_key));
1881 commit_vlan_action(const struct flow *flow, struct flow *base,
1882 struct ofpbuf *odp_actions)
1884 if (base->vlan_tci == flow->vlan_tci) {
1888 if (base->vlan_tci & htons(VLAN_CFI)) {
1889 nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
1892 if (flow->vlan_tci & htons(VLAN_CFI)) {
1893 struct ovs_action_push_vlan vlan;
1895 vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
1896 vlan.vlan_tci = flow->vlan_tci;
1897 nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
1898 &vlan, sizeof vlan);
1900 base->vlan_tci = flow->vlan_tci;
1904 commit_set_ipv4_action(const struct flow *flow, struct flow *base,
1905 struct ofpbuf *odp_actions)
1907 struct ovs_key_ipv4 ipv4_key;
1909 if (base->nw_src == flow->nw_src &&
1910 base->nw_dst == flow->nw_dst &&
1911 base->nw_tos == flow->nw_tos &&
1912 base->nw_ttl == flow->nw_ttl &&
1913 base->nw_frag == flow->nw_frag) {
1917 ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
1918 ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
1919 ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
1920 ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
1921 ipv4_key.ipv4_proto = base->nw_proto;
1922 ipv4_key.ipv4_frag = ovs_to_odp_frag(base->nw_frag);
1924 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
1925 &ipv4_key, sizeof(ipv4_key));
1929 commit_set_ipv6_action(const struct flow *flow, struct flow *base,
1930 struct ofpbuf *odp_actions)
1932 struct ovs_key_ipv6 ipv6_key;
1934 if (ipv6_addr_equals(&base->ipv6_src, &flow->ipv6_src) &&
1935 ipv6_addr_equals(&base->ipv6_dst, &flow->ipv6_dst) &&
1936 base->ipv6_label == flow->ipv6_label &&
1937 base->nw_tos == flow->nw_tos &&
1938 base->nw_ttl == flow->nw_ttl &&
1939 base->nw_frag == flow->nw_frag) {
1943 base->ipv6_src = flow->ipv6_src;
1944 memcpy(&ipv6_key.ipv6_src, &base->ipv6_src, sizeof(ipv6_key.ipv6_src));
1945 base->ipv6_dst = flow->ipv6_dst;
1946 memcpy(&ipv6_key.ipv6_dst, &base->ipv6_dst, sizeof(ipv6_key.ipv6_dst));
1948 ipv6_key.ipv6_label = base->ipv6_label = flow->ipv6_label;
1949 ipv6_key.ipv6_tclass = base->nw_tos = flow->nw_tos;
1950 ipv6_key.ipv6_hlimit = base->nw_ttl = flow->nw_ttl;
1951 ipv6_key.ipv6_proto = base->nw_proto;
1952 ipv6_key.ipv6_frag = ovs_to_odp_frag(base->nw_frag);
1954 commit_set_action(odp_actions, OVS_KEY_ATTR_IPV6,
1955 &ipv6_key, sizeof(ipv6_key));
1959 commit_set_nw_action(const struct flow *flow, struct flow *base,
1960 struct ofpbuf *odp_actions)
1962 /* Check if flow really have an IP header. */
1963 if (!flow->nw_proto) {
1967 if (base->dl_type == htons(ETH_TYPE_IP)) {
1968 commit_set_ipv4_action(flow, base, odp_actions);
1969 } else if (base->dl_type == htons(ETH_TYPE_IPV6)) {
1970 commit_set_ipv6_action(flow, base, odp_actions);
1975 commit_set_port_action(const struct flow *flow, struct flow *base,
1976 struct ofpbuf *odp_actions)
1978 if (!base->tp_src || !base->tp_dst) {
1982 if (base->tp_src == flow->tp_src &&
1983 base->tp_dst == flow->tp_dst) {
1987 if (flow->nw_proto == IPPROTO_TCP) {
1988 struct ovs_key_tcp port_key;
1990 port_key.tcp_src = base->tp_src = flow->tp_src;
1991 port_key.tcp_dst = base->tp_dst = flow->tp_dst;
1993 commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
1994 &port_key, sizeof(port_key));
1996 } else if (flow->nw_proto == IPPROTO_UDP) {
1997 struct ovs_key_udp port_key;
1999 port_key.udp_src = base->tp_src = flow->tp_src;
2000 port_key.udp_dst = base->tp_dst = flow->tp_dst;
2002 commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
2003 &port_key, sizeof(port_key));
2008 commit_set_priority_action(const struct flow *flow, struct flow *base,
2009 struct ofpbuf *odp_actions)
2011 if (base->skb_priority == flow->skb_priority) {
2014 base->skb_priority = flow->skb_priority;
2016 commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
2017 &base->skb_priority, sizeof(base->skb_priority));
2020 /* If any of the flow key data that ODP actions can modify are different in
2021 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
2022 * key from 'base' into 'flow', and then changes 'base' the same way. */
2024 commit_odp_actions(const struct flow *flow, struct flow *base,
2025 struct ofpbuf *odp_actions)
2027 commit_set_tun_id_action(flow, base, odp_actions);
2028 commit_set_ether_addr_action(flow, base, odp_actions);
2029 commit_vlan_action(flow, base, odp_actions);
2030 commit_set_nw_action(flow, base, odp_actions);
2031 commit_set_port_action(flow, base, odp_actions);
2032 commit_set_priority_action(flow, base, odp_actions);