2 * Copyright (c) 2009, 2010, 2011 Nicira Networks.
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>
22 #include <netinet/icmp6.h>
25 #include "byte-order.h"
27 #include "dynamic-string.h"
30 #include "openvswitch/tunnel.h"
36 odp_action_len(uint16_t type)
38 if (type > ODP_ACTION_ATTR_MAX) {
42 switch ((enum odp_action_type) type) {
43 case ODP_ACTION_ATTR_OUTPUT: return 4;
44 case ODP_ACTION_ATTR_USERSPACE: return 8;
45 case ODP_ACTION_ATTR_SET_DL_TCI: return 2;
46 case ODP_ACTION_ATTR_STRIP_VLAN: return 0;
47 case ODP_ACTION_ATTR_SET_DL_SRC: return ETH_ADDR_LEN;
48 case ODP_ACTION_ATTR_SET_DL_DST: return ETH_ADDR_LEN;
49 case ODP_ACTION_ATTR_SET_NW_SRC: return 4;
50 case ODP_ACTION_ATTR_SET_NW_DST: return 4;
51 case ODP_ACTION_ATTR_SET_NW_TOS: return 1;
52 case ODP_ACTION_ATTR_SET_TP_SRC: return 2;
53 case ODP_ACTION_ATTR_SET_TP_DST: return 2;
54 case ODP_ACTION_ATTR_SET_TUNNEL: return 8;
55 case ODP_ACTION_ATTR_SET_PRIORITY: return 4;
56 case ODP_ACTION_ATTR_POP_PRIORITY: return 0;
58 case ODP_ACTION_ATTR_UNSPEC:
59 case __ODP_ACTION_ATTR_MAX:
67 format_generic_odp_action(struct ds *ds, const struct nlattr *a)
69 size_t len = nl_attr_get_size(a);
71 ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
73 const uint8_t *unspec;
76 unspec = nl_attr_get(a);
77 for (i = 0; i < len; i++) {
78 ds_put_char(ds, i ? ' ': '(');
79 ds_put_format(ds, "%02x", unspec[i]);
86 format_odp_action(struct ds *ds, const struct nlattr *a)
91 if (nl_attr_get_size(a) != odp_action_len(nl_attr_type(a))) {
92 ds_put_format(ds, "bad length %zu, expected %d for: ",
93 nl_attr_get_size(a), odp_action_len(nl_attr_type(a)));
94 format_generic_odp_action(ds, a);
98 switch (nl_attr_type(a)) {
99 case ODP_ACTION_ATTR_OUTPUT:
100 ds_put_format(ds, "%"PRIu16, nl_attr_get_u32(a));
102 case ODP_ACTION_ATTR_USERSPACE:
103 ds_put_format(ds, "userspace(%"PRIu64")", nl_attr_get_u64(a));
105 case ODP_ACTION_ATTR_SET_TUNNEL:
106 ds_put_format(ds, "set_tunnel(%#"PRIx64")",
107 ntohll(nl_attr_get_be64(a)));
109 case ODP_ACTION_ATTR_SET_DL_TCI:
110 ds_put_format(ds, "set_tci(vid=%"PRIu16",pcp=%d)",
111 vlan_tci_to_vid(nl_attr_get_be16(a)),
112 vlan_tci_to_pcp(nl_attr_get_be16(a)));
114 case ODP_ACTION_ATTR_STRIP_VLAN:
115 ds_put_format(ds, "strip_vlan");
117 case ODP_ACTION_ATTR_SET_DL_SRC:
118 eth = nl_attr_get_unspec(a, ETH_ADDR_LEN);
119 ds_put_format(ds, "set_dl_src("ETH_ADDR_FMT")", ETH_ADDR_ARGS(eth));
121 case ODP_ACTION_ATTR_SET_DL_DST:
122 eth = nl_attr_get_unspec(a, ETH_ADDR_LEN);
123 ds_put_format(ds, "set_dl_dst("ETH_ADDR_FMT")", ETH_ADDR_ARGS(eth));
125 case ODP_ACTION_ATTR_SET_NW_SRC:
126 ip = nl_attr_get_be32(a);
127 ds_put_format(ds, "set_nw_src("IP_FMT")", IP_ARGS(&ip));
129 case ODP_ACTION_ATTR_SET_NW_DST:
130 ip = nl_attr_get_be32(a);
131 ds_put_format(ds, "set_nw_dst("IP_FMT")", IP_ARGS(&ip));
133 case ODP_ACTION_ATTR_SET_NW_TOS:
134 ds_put_format(ds, "set_nw_tos(%"PRIu8")", nl_attr_get_u8(a));
136 case ODP_ACTION_ATTR_SET_TP_SRC:
137 ds_put_format(ds, "set_tp_src(%"PRIu16")", ntohs(nl_attr_get_be16(a)));
139 case ODP_ACTION_ATTR_SET_TP_DST:
140 ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(nl_attr_get_be16(a)));
142 case ODP_ACTION_ATTR_SET_PRIORITY:
143 ds_put_format(ds, "set_priority(%#"PRIx32")", nl_attr_get_u32(a));
145 case ODP_ACTION_ATTR_POP_PRIORITY:
146 ds_put_cstr(ds, "pop_priority");
149 format_generic_odp_action(ds, a);
155 format_odp_actions(struct ds *ds, const struct nlattr *actions,
159 const struct nlattr *a;
162 NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
164 ds_put_char(ds, ',');
166 format_odp_action(ds, a);
169 if (left == actions_len) {
170 ds_put_cstr(ds, "<empty>");
172 ds_put_format(ds, ",***%u leftover bytes***", left);
175 ds_put_cstr(ds, "drop");
179 /* Returns the correct length of the payload for a flow key attribute of the
180 * specified 'type', or -1 if 'type' is unknown. */
182 odp_flow_key_attr_len(uint16_t type)
184 if (type > ODP_KEY_ATTR_MAX) {
188 switch ((enum odp_key_type) type) {
189 case ODP_KEY_ATTR_TUN_ID: return 8;
190 case ODP_KEY_ATTR_IN_PORT: return 4;
191 case ODP_KEY_ATTR_ETHERNET: return sizeof(struct odp_key_ethernet);
192 case ODP_KEY_ATTR_8021Q: return sizeof(struct odp_key_8021q);
193 case ODP_KEY_ATTR_ETHERTYPE: return 2;
194 case ODP_KEY_ATTR_IPV4: return sizeof(struct odp_key_ipv4);
195 case ODP_KEY_ATTR_IPV6: return sizeof(struct odp_key_ipv6);
196 case ODP_KEY_ATTR_TCP: return sizeof(struct odp_key_tcp);
197 case ODP_KEY_ATTR_UDP: return sizeof(struct odp_key_udp);
198 case ODP_KEY_ATTR_ICMP: return sizeof(struct odp_key_icmp);
199 case ODP_KEY_ATTR_ICMPV6: return sizeof(struct odp_key_icmpv6);
200 case ODP_KEY_ATTR_ARP: return sizeof(struct odp_key_arp);
201 case ODP_KEY_ATTR_ND: return sizeof(struct odp_key_nd);
203 case ODP_KEY_ATTR_UNSPEC:
204 case __ODP_KEY_ATTR_MAX:
213 format_generic_odp_key(const struct nlattr *a, struct ds *ds)
215 size_t len = nl_attr_get_size(a);
217 ds_put_format(ds, "key%"PRId16, nl_attr_type(a));
219 const uint8_t *unspec;
222 unspec = nl_attr_get(a);
223 for (i = 0; i < len; i++) {
224 ds_put_char(ds, i ? ' ': '(');
225 ds_put_format(ds, "%02x", unspec[i]);
227 ds_put_char(ds, ')');
232 format_odp_key_attr(const struct nlattr *a, struct ds *ds)
234 const struct odp_key_ethernet *eth_key;
235 const struct odp_key_8021q *q_key;
236 const struct odp_key_ipv4 *ipv4_key;
237 const struct odp_key_ipv6 *ipv6_key;
238 const struct odp_key_tcp *tcp_key;
239 const struct odp_key_udp *udp_key;
240 const struct odp_key_icmp *icmp_key;
241 const struct odp_key_icmpv6 *icmpv6_key;
242 const struct odp_key_arp *arp_key;
243 const struct odp_key_nd *nd_key;
245 if (nl_attr_get_size(a) != odp_flow_key_attr_len(nl_attr_type(a))) {
246 ds_put_format(ds, "bad length %zu, expected %d for: ",
248 odp_flow_key_attr_len(nl_attr_type(a)));
249 format_generic_odp_key(a, ds);
253 switch (nl_attr_type(a)) {
254 case ODP_KEY_ATTR_TUN_ID:
255 ds_put_format(ds, "tun_id(%#"PRIx64")", ntohll(nl_attr_get_be64(a)));
258 case ODP_KEY_ATTR_IN_PORT:
259 ds_put_format(ds, "in_port(%"PRIu32")", nl_attr_get_u32(a));
262 case ODP_KEY_ATTR_ETHERNET:
263 eth_key = nl_attr_get(a);
264 ds_put_format(ds, "eth(src="ETH_ADDR_FMT",dst="ETH_ADDR_FMT")",
265 ETH_ADDR_ARGS(eth_key->eth_src),
266 ETH_ADDR_ARGS(eth_key->eth_dst));
269 case ODP_KEY_ATTR_8021Q:
270 q_key = nl_attr_get(a);
271 ds_put_cstr(ds, "vlan(");
272 if (q_key->q_tpid != htons(ETH_TYPE_VLAN)) {
273 ds_put_format(ds, "tpid=0x%04"PRIx16",", ntohs(q_key->q_tpid));
275 ds_put_format(ds, "vid%"PRIu16",pcp%d)",
276 vlan_tci_to_vid(q_key->q_tci),
277 vlan_tci_to_pcp(q_key->q_tci));
280 case ODP_KEY_ATTR_ETHERTYPE:
281 ds_put_format(ds, "eth_type(0x%04"PRIx16")",
282 ntohs(nl_attr_get_be16(a)));
285 case ODP_KEY_ATTR_IPV4:
286 ipv4_key = nl_attr_get(a);
287 ds_put_format(ds, "ipv4(src="IP_FMT",dst="IP_FMT","
288 "proto=%"PRId8",tos=%"PRIu8")",
289 IP_ARGS(&ipv4_key->ipv4_src),
290 IP_ARGS(&ipv4_key->ipv4_dst),
291 ipv4_key->ipv4_proto, ipv4_key->ipv4_tos);
294 case ODP_KEY_ATTR_IPV6: {
295 char src_str[INET6_ADDRSTRLEN];
296 char dst_str[INET6_ADDRSTRLEN];
298 ipv6_key = nl_attr_get(a);
299 inet_ntop(AF_INET6, ipv6_key->ipv6_src, src_str, sizeof src_str);
300 inet_ntop(AF_INET6, ipv6_key->ipv6_dst, dst_str, sizeof dst_str);
302 ds_put_format(ds, "ipv6(src=%s,dst=%s,proto=%"PRId8",tos=%"PRIu8")",
303 src_str, dst_str, ipv6_key->ipv6_proto,
308 case ODP_KEY_ATTR_TCP:
309 tcp_key = nl_attr_get(a);
310 ds_put_format(ds, "tcp(src=%"PRIu16",dst=%"PRIu16")",
311 ntohs(tcp_key->tcp_src), ntohs(tcp_key->tcp_dst));
314 case ODP_KEY_ATTR_UDP:
315 udp_key = nl_attr_get(a);
316 ds_put_format(ds, "udp(src=%"PRIu16",dst=%"PRIu16")",
317 ntohs(udp_key->udp_src), ntohs(udp_key->udp_dst));
320 case ODP_KEY_ATTR_ICMP:
321 icmp_key = nl_attr_get(a);
322 ds_put_format(ds, "icmp(type=%"PRIu8",code=%"PRIu8")",
323 icmp_key->icmp_type, icmp_key->icmp_code);
326 case ODP_KEY_ATTR_ICMPV6:
327 icmpv6_key = nl_attr_get(a);
328 ds_put_format(ds, "icmpv6(type=%"PRIu8",code=%"PRIu8")",
329 icmpv6_key->icmpv6_type, icmpv6_key->icmpv6_code);
332 case ODP_KEY_ATTR_ARP:
333 arp_key = nl_attr_get(a);
334 ds_put_format(ds, "arp(sip="IP_FMT",tip="IP_FMT",op=%"PRIu16","
335 "sha="ETH_ADDR_FMT",tha="ETH_ADDR_FMT")",
336 IP_ARGS(&arp_key->arp_sip), IP_ARGS(&arp_key->arp_tip),
337 ntohs(arp_key->arp_op), ETH_ADDR_ARGS(arp_key->arp_sha),
338 ETH_ADDR_ARGS(arp_key->arp_tha));
341 case ODP_KEY_ATTR_ND: {
342 char target[INET6_ADDRSTRLEN];
344 nd_key = nl_attr_get(a);
345 inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
347 ds_put_format(ds, "nd(target=%s", target);
348 if (!eth_addr_is_zero(nd_key->nd_sll)) {
349 ds_put_format(ds, ",sll="ETH_ADDR_FMT,
350 ETH_ADDR_ARGS(nd_key->nd_sll));
352 if (!eth_addr_is_zero(nd_key->nd_tll)) {
353 ds_put_format(ds, ",tll="ETH_ADDR_FMT,
354 ETH_ADDR_ARGS(nd_key->nd_tll));
356 ds_put_char(ds, ')');
361 format_generic_odp_key(a, ds);
366 /* Appends to 'ds' a string representation of the 'key_len' bytes of
367 * ODP_KEY_ATTR_* attributes in 'key'. */
369 odp_flow_key_format(const struct nlattr *key, size_t key_len, struct ds *ds)
372 const struct nlattr *a;
375 NL_ATTR_FOR_EACH (a, left, key, key_len) {
377 ds_put_char(ds, ',');
379 format_odp_key_attr(a, ds);
382 if (left == key_len) {
383 ds_put_cstr(ds, "<empty>");
385 ds_put_format(ds, ",***%u leftover bytes***", left);
388 ds_put_cstr(ds, "<empty>");
392 /* Appends a representation of 'flow' as ODP_KEY_ATTR_* attributes to 'buf'. */
394 odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
396 struct odp_key_ethernet *eth_key;
398 if (flow->tun_id != htonll(0)) {
399 nl_msg_put_be64(buf, ODP_KEY_ATTR_TUN_ID, flow->tun_id);
402 if (flow->in_port != OFPP_NONE) {
403 nl_msg_put_u32(buf, ODP_KEY_ATTR_IN_PORT,
404 ofp_port_to_odp_port(flow->in_port));
407 eth_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_ETHERNET,
409 memcpy(eth_key->eth_src, flow->dl_src, ETH_ADDR_LEN);
410 memcpy(eth_key->eth_dst, flow->dl_dst, ETH_ADDR_LEN);
412 if (flow->vlan_tci != htons(0)) {
413 struct odp_key_8021q *q_key;
415 q_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_8021Q,
417 q_key->q_tpid = htons(ETH_TYPE_VLAN);
418 q_key->q_tci = flow->vlan_tci & ~htons(VLAN_CFI);
421 if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
425 nl_msg_put_be16(buf, ODP_KEY_ATTR_ETHERTYPE, flow->dl_type);
427 if (flow->dl_type == htons(ETH_TYPE_IP)) {
428 struct odp_key_ipv4 *ipv4_key;
430 ipv4_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_IPV4,
432 memset(ipv4_key, 0, sizeof *ipv4_key);
433 ipv4_key->ipv4_src = flow->nw_src;
434 ipv4_key->ipv4_dst = flow->nw_dst;
435 ipv4_key->ipv4_proto = flow->nw_proto;
436 ipv4_key->ipv4_tos = flow->nw_tos;
437 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
438 struct odp_key_ipv6 *ipv6_key;
440 ipv6_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_IPV6,
442 memset(ipv6_key, 0, sizeof *ipv6_key);
443 memcpy(ipv6_key->ipv6_src, &flow->ipv6_src, sizeof ipv6_key->ipv6_src);
444 memcpy(ipv6_key->ipv6_dst, &flow->ipv6_dst, sizeof ipv6_key->ipv6_dst);
445 ipv6_key->ipv6_proto = flow->nw_proto;
446 ipv6_key->ipv6_tos = flow->nw_tos;
447 } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
448 struct odp_key_arp *arp_key;
450 arp_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_ARP,
452 memset(arp_key, 0, sizeof *arp_key);
453 arp_key->arp_sip = flow->nw_src;
454 arp_key->arp_tip = flow->nw_dst;
455 arp_key->arp_op = htons(flow->nw_proto);
456 memcpy(arp_key->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
457 memcpy(arp_key->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
460 if (flow->dl_type == htons(ETH_TYPE_IP)
461 || flow->dl_type == htons(ETH_TYPE_IPV6)) {
463 if (flow->nw_proto == IPPROTO_TCP) {
464 struct odp_key_tcp *tcp_key;
466 tcp_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_TCP,
468 tcp_key->tcp_src = flow->tp_src;
469 tcp_key->tcp_dst = flow->tp_dst;
470 } else if (flow->nw_proto == IPPROTO_UDP) {
471 struct odp_key_udp *udp_key;
473 udp_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_UDP,
475 udp_key->udp_src = flow->tp_src;
476 udp_key->udp_dst = flow->tp_dst;
477 } else if (flow->dl_type == htons(ETH_TYPE_IP)
478 && flow->nw_proto == IPPROTO_ICMP) {
479 struct odp_key_icmp *icmp_key;
481 icmp_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_ICMP,
483 icmp_key->icmp_type = ntohs(flow->tp_src);
484 icmp_key->icmp_code = ntohs(flow->tp_dst);
485 } else if (flow->dl_type == htons(ETH_TYPE_IPV6)
486 && flow->nw_proto == IPPROTO_ICMPV6) {
487 struct odp_key_icmpv6 *icmpv6_key;
489 icmpv6_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_ICMPV6,
491 icmpv6_key->icmpv6_type = ntohs(flow->tp_src);
492 icmpv6_key->icmpv6_code = ntohs(flow->tp_dst);
494 if (icmpv6_key->icmpv6_type == ND_NEIGHBOR_SOLICIT
495 || icmpv6_key->icmpv6_type == ND_NEIGHBOR_ADVERT) {
496 struct odp_key_nd *nd_key;
498 nd_key = nl_msg_put_unspec_uninit(buf, ODP_KEY_ATTR_ND,
500 memcpy(nd_key->nd_target, &flow->nd_target,
501 sizeof nd_key->nd_target);
502 memcpy(nd_key->nd_sll, flow->arp_sha, ETH_ADDR_LEN);
503 memcpy(nd_key->nd_tll, flow->arp_tha, ETH_ADDR_LEN);
509 /* Converts the 'key_len' bytes of ODP_KEY_ATTR_* attributes in 'key' to a flow
510 * structure in 'flow'. Returns 0 if successful, otherwise EINVAL. */
512 odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
515 const struct nlattr *nla;
516 enum odp_key_type prev_type;
519 memset(flow, 0, sizeof *flow);
520 flow->dl_type = htons(FLOW_DL_TYPE_NONE);
521 flow->in_port = OFPP_NONE;
523 prev_type = ODP_KEY_ATTR_UNSPEC;
524 NL_ATTR_FOR_EACH (nla, left, key, key_len) {
525 const struct odp_key_ethernet *eth_key;
526 const struct odp_key_8021q *q_key;
527 const struct odp_key_ipv4 *ipv4_key;
528 const struct odp_key_ipv6 *ipv6_key;
529 const struct odp_key_tcp *tcp_key;
530 const struct odp_key_udp *udp_key;
531 const struct odp_key_icmp *icmp_key;
532 const struct odp_key_icmpv6 *icmpv6_key;
533 const struct odp_key_arp *arp_key;
534 const struct odp_key_nd *nd_key;
536 uint16_t type = nl_attr_type(nla);
537 int len = odp_flow_key_attr_len(type);
539 if (nl_attr_get_size(nla) != len && len != -1) {
543 #define TRANSITION(PREV_TYPE, TYPE) (((PREV_TYPE) << 16) | (TYPE))
544 switch (TRANSITION(prev_type, type)) {
545 case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_TUN_ID):
546 flow->tun_id = nl_attr_get_be64(nla);
549 case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_IN_PORT):
550 case TRANSITION(ODP_KEY_ATTR_TUN_ID, ODP_KEY_ATTR_IN_PORT):
551 if (nl_attr_get_u32(nla) >= UINT16_MAX) {
554 flow->in_port = odp_port_to_ofp_port(nl_attr_get_u32(nla));
557 case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_ETHERNET):
558 case TRANSITION(ODP_KEY_ATTR_TUN_ID, ODP_KEY_ATTR_ETHERNET):
559 case TRANSITION(ODP_KEY_ATTR_IN_PORT, ODP_KEY_ATTR_ETHERNET):
560 eth_key = nl_attr_get(nla);
561 memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
562 memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
565 case TRANSITION(ODP_KEY_ATTR_ETHERNET, ODP_KEY_ATTR_8021Q):
566 q_key = nl_attr_get(nla);
567 if (q_key->q_tpid != htons(ETH_TYPE_VLAN)) {
568 /* Only standard 0x8100 VLANs currently supported. */
571 if (q_key->q_tci & htons(VLAN_CFI)) {
574 flow->vlan_tci = q_key->q_tci | htons(VLAN_CFI);
577 case TRANSITION(ODP_KEY_ATTR_8021Q, ODP_KEY_ATTR_ETHERTYPE):
578 case TRANSITION(ODP_KEY_ATTR_ETHERNET, ODP_KEY_ATTR_ETHERTYPE):
579 flow->dl_type = nl_attr_get_be16(nla);
580 if (ntohs(flow->dl_type) < 1536) {
585 case TRANSITION(ODP_KEY_ATTR_ETHERTYPE, ODP_KEY_ATTR_IPV4):
586 if (flow->dl_type != htons(ETH_TYPE_IP)) {
589 ipv4_key = nl_attr_get(nla);
590 flow->nw_src = ipv4_key->ipv4_src;
591 flow->nw_dst = ipv4_key->ipv4_dst;
592 flow->nw_proto = ipv4_key->ipv4_proto;
593 flow->nw_tos = ipv4_key->ipv4_tos;
594 if (flow->nw_tos & IP_ECN_MASK) {
599 case TRANSITION(ODP_KEY_ATTR_ETHERTYPE, ODP_KEY_ATTR_IPV6):
600 if (flow->dl_type != htons(ETH_TYPE_IPV6)) {
603 ipv6_key = nl_attr_get(nla);
604 memcpy(&flow->ipv6_src, ipv6_key->ipv6_src, sizeof flow->ipv6_src);
605 memcpy(&flow->ipv6_dst, ipv6_key->ipv6_dst, sizeof flow->ipv6_dst);
606 flow->nw_proto = ipv6_key->ipv6_proto;
607 flow->nw_tos = ipv6_key->ipv6_tos;
608 if (flow->nw_tos & IP_ECN_MASK) {
613 case TRANSITION(ODP_KEY_ATTR_IPV4, ODP_KEY_ATTR_TCP):
614 case TRANSITION(ODP_KEY_ATTR_IPV6, ODP_KEY_ATTR_TCP):
615 if (flow->nw_proto != IPPROTO_TCP) {
618 tcp_key = nl_attr_get(nla);
619 flow->tp_src = tcp_key->tcp_src;
620 flow->tp_dst = tcp_key->tcp_dst;
623 case TRANSITION(ODP_KEY_ATTR_IPV4, ODP_KEY_ATTR_UDP):
624 case TRANSITION(ODP_KEY_ATTR_IPV6, ODP_KEY_ATTR_UDP):
625 if (flow->nw_proto != IPPROTO_UDP) {
628 udp_key = nl_attr_get(nla);
629 flow->tp_src = udp_key->udp_src;
630 flow->tp_dst = udp_key->udp_dst;
633 case TRANSITION(ODP_KEY_ATTR_IPV4, ODP_KEY_ATTR_ICMP):
634 if (flow->nw_proto != IPPROTO_ICMP) {
637 icmp_key = nl_attr_get(nla);
638 flow->tp_src = htons(icmp_key->icmp_type);
639 flow->tp_dst = htons(icmp_key->icmp_code);
642 case TRANSITION(ODP_KEY_ATTR_IPV6, ODP_KEY_ATTR_ICMPV6):
643 if (flow->nw_proto != IPPROTO_ICMPV6) {
646 icmpv6_key = nl_attr_get(nla);
647 flow->tp_src = htons(icmpv6_key->icmpv6_type);
648 flow->tp_dst = htons(icmpv6_key->icmpv6_code);
651 case TRANSITION(ODP_KEY_ATTR_ETHERTYPE, ODP_KEY_ATTR_ARP):
652 if (flow->dl_type != htons(ETH_TYPE_ARP)) {
655 arp_key = nl_attr_get(nla);
656 flow->nw_src = arp_key->arp_sip;
657 flow->nw_dst = arp_key->arp_tip;
658 if (arp_key->arp_op & htons(0xff00)) {
661 flow->nw_proto = ntohs(arp_key->arp_op);
662 memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
663 memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
666 case TRANSITION(ODP_KEY_ATTR_ICMPV6, ODP_KEY_ATTR_ND):
667 if (flow->tp_src != htons(ND_NEIGHBOR_SOLICIT)
668 && flow->tp_src != htons(ND_NEIGHBOR_ADVERT)) {
671 nd_key = nl_attr_get(nla);
672 memcpy(&flow->nd_target, nd_key->nd_target, sizeof flow->nd_target);
673 memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
674 memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
678 if (type == ODP_KEY_ATTR_UNSPEC
679 || prev_type == ODP_KEY_ATTR_UNSPEC) {
692 case ODP_KEY_ATTR_UNSPEC:
695 case ODP_KEY_ATTR_TUN_ID:
696 case ODP_KEY_ATTR_IN_PORT:
699 case ODP_KEY_ATTR_ETHERNET:
700 case ODP_KEY_ATTR_8021Q:
703 case ODP_KEY_ATTR_ETHERTYPE:
704 if (flow->dl_type == htons(ETH_TYPE_IP)
705 || flow->dl_type == htons(ETH_TYPE_IPV6)
706 || flow->dl_type == htons(ETH_TYPE_ARP)) {
711 case ODP_KEY_ATTR_IPV4:
712 if (flow->nw_proto == IPPROTO_TCP
713 || flow->nw_proto == IPPROTO_UDP
714 || flow->nw_proto == IPPROTO_ICMP) {
719 case ODP_KEY_ATTR_IPV6:
720 if (flow->nw_proto == IPPROTO_TCP
721 || flow->nw_proto == IPPROTO_UDP
722 || flow->nw_proto == IPPROTO_ICMPV6) {
727 case ODP_KEY_ATTR_ICMPV6:
728 if (flow->icmp_type == htons(ND_NEIGHBOR_SOLICIT)
729 || flow->icmp_type == htons(ND_NEIGHBOR_ADVERT)) {
734 case ODP_KEY_ATTR_TCP:
735 case ODP_KEY_ATTR_UDP:
736 case ODP_KEY_ATTR_ICMP:
737 case ODP_KEY_ATTR_ARP:
738 case ODP_KEY_ATTR_ND:
741 case __ODP_KEY_ATTR_MAX: