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/in.h>
23 #include <netinet/icmp6.h>
26 #include "byte-order.h"
28 #include "dynamic-string.h"
32 #include "openvswitch/tunnel.h"
38 format_odp_key_attr(const struct nlattr
*a
, struct ds
*ds
);
40 /* The interface between userspace and kernel uses an "OVS_*" prefix.
41 * Since this is fairly non-specific for the OVS userspace components,
42 * "ODP_*" (Open vSwitch Datapath) is used as the prefix for
43 * interactions with the datapath.
46 /* Returns one the following for the action with the given OVS_ACTION_ATTR_*
49 * - For an action whose argument has a fixed length, returned that
50 * nonnegative length in bytes.
52 * - For an action with a variable-length argument, returns -2.
54 * - For an invalid 'type', returns -1. */
56 odp_action_len(uint16_t type
)
58 if (type
> OVS_ACTION_ATTR_MAX
) {
62 switch ((enum ovs_action_attr
) type
) {
63 case OVS_ACTION_ATTR_OUTPUT
: return 4;
64 case OVS_ACTION_ATTR_USERSPACE
: return -2;
65 case OVS_ACTION_ATTR_PUSH
: return -2;
66 case OVS_ACTION_ATTR_POP
: return 2;
67 case OVS_ACTION_ATTR_SET
: return -2;
68 case OVS_ACTION_ATTR_SAMPLE
: return -2;
70 case OVS_ACTION_ATTR_UNSPEC
:
71 case __OVS_ACTION_ATTR_MAX
:
79 format_generic_odp_action(struct ds
*ds
, const struct nlattr
*a
)
81 size_t len
= nl_attr_get_size(a
);
83 ds_put_format(ds
, "action%"PRId16
, nl_attr_type(a
));
85 const uint8_t *unspec
;
88 unspec
= nl_attr_get(a
);
89 for (i
= 0; i
< len
; i
++) {
90 ds_put_char(ds
, i
? ' ': '(');
91 ds_put_format(ds
, "%02x", unspec
[i
]);
98 format_odp_sample_action(struct ds
*ds
, const struct nlattr
*attr
)
100 static const struct nl_policy ovs_sample_policy
[] = {
101 [OVS_SAMPLE_ATTR_PROBABILITY
] = { .type
= NL_A_U32
},
102 [OVS_SAMPLE_ATTR_ACTIONS
] = { .type
= NL_A_NESTED
}
104 struct nlattr
*a
[ARRAY_SIZE(ovs_sample_policy
)];
106 const struct nlattr
*nla_acts
;
109 ds_put_cstr(ds
, "sample");
111 if (!nl_parse_nested(attr
, ovs_sample_policy
, a
, ARRAY_SIZE(a
))) {
112 ds_put_cstr(ds
, "(error)");
116 percentage
= (100.0 * nl_attr_get_u32(a
[OVS_SAMPLE_ATTR_PROBABILITY
])) /
119 ds_put_format(ds
, "(sample=%.1f%%,", percentage
);
121 ds_put_cstr(ds
, "actions(");
122 nla_acts
= nl_attr_get(a
[OVS_SAMPLE_ATTR_ACTIONS
]);
123 len
= nl_attr_get_size(a
[OVS_SAMPLE_ATTR_ACTIONS
]);
124 format_odp_actions(ds
, nla_acts
, len
);
125 ds_put_format(ds
, "))");
129 format_odp_userspace_action(struct ds
*ds
, const struct nlattr
*attr
)
131 static const struct nl_policy ovs_userspace_policy
[] = {
132 [OVS_USERSPACE_ATTR_PID
] = { .type
= NL_A_U32
},
133 [OVS_USERSPACE_ATTR_USERDATA
] = { .type
= NL_A_U64
, .optional
= true },
135 struct nlattr
*a
[ARRAY_SIZE(ovs_userspace_policy
)];
137 if (!nl_parse_nested(attr
, ovs_userspace_policy
, a
, ARRAY_SIZE(a
))) {
138 ds_put_cstr(ds
, "userspace(error)");
142 ds_put_format(ds
, "userspace(pid=%"PRIu32
,
143 nl_attr_get_u32(a
[OVS_USERSPACE_ATTR_PID
]));
145 if (a
[OVS_USERSPACE_ATTR_USERDATA
]) {
146 uint64_t userdata
= nl_attr_get_u64(a
[OVS_USERSPACE_ATTR_USERDATA
]);
147 struct user_action_cookie cookie
;
149 memcpy(&cookie
, &userdata
, sizeof cookie
);
151 if (cookie
.type
== USER_ACTION_COOKIE_CONTROLLER
) {
152 ds_put_format(ds
, ",controller,length=%"PRIu32
,
154 } else if (cookie
.type
== USER_ACTION_COOKIE_SFLOW
) {
155 ds_put_format(ds
, ",sFlow,n_output=%"PRIu8
","
156 "vid=%"PRIu16
",pcp=%"PRIu8
",ifindex=%"PRIu32
,
157 cookie
.n_output
, vlan_tci_to_vid(cookie
.vlan_tci
),
158 vlan_tci_to_pcp(cookie
.vlan_tci
), cookie
.data
);
160 ds_put_format(ds
, ",userdata=0x%"PRIx64
, userdata
);
164 ds_put_char(ds
, ')');
169 format_odp_action(struct ds
*ds
, const struct nlattr
*a
)
172 enum ovs_action_attr type
= nl_attr_type(a
);
174 expected_len
= odp_action_len(nl_attr_type(a
));
175 if (expected_len
!= -2 && nl_attr_get_size(a
) != expected_len
) {
176 ds_put_format(ds
, "bad length %zu, expected %d for: ",
177 nl_attr_get_size(a
), expected_len
);
178 format_generic_odp_action(ds
, a
);
184 case OVS_ACTION_ATTR_OUTPUT
:
185 ds_put_format(ds
, "%"PRIu16
, nl_attr_get_u32(a
));
187 case OVS_ACTION_ATTR_USERSPACE
:
188 format_odp_userspace_action(ds
, a
);
190 case OVS_ACTION_ATTR_SET
:
191 ds_put_cstr(ds
, "set(");
192 format_odp_key_attr(nl_attr_get(a
), ds
);
193 ds_put_cstr(ds
, ")");
195 case OVS_ACTION_ATTR_PUSH
:
196 ds_put_cstr(ds
, "push(");
197 format_odp_key_attr(nl_attr_get(a
), ds
);
198 ds_put_cstr(ds
, ")");
200 case OVS_ACTION_ATTR_POP
:
201 if (nl_attr_get_u16(a
) == OVS_KEY_ATTR_8021Q
) {
202 ds_put_cstr(ds
, "pop(vlan)");
204 ds_put_format(ds
, "pop(key%"PRIu16
")", nl_attr_get_u16(a
));
207 case OVS_ACTION_ATTR_SAMPLE
:
208 format_odp_sample_action(ds
, a
);
210 case OVS_ACTION_ATTR_UNSPEC
:
211 case __OVS_ACTION_ATTR_MAX
:
213 format_generic_odp_action(ds
, a
);
219 format_odp_actions(struct ds
*ds
, const struct nlattr
*actions
,
223 const struct nlattr
*a
;
226 NL_ATTR_FOR_EACH (a
, left
, actions
, actions_len
) {
228 ds_put_char(ds
, ',');
230 format_odp_action(ds
, a
);
233 if (left
== actions_len
) {
234 ds_put_cstr(ds
, "<empty>");
236 ds_put_format(ds
, ",***%u leftover bytes***", left
);
239 ds_put_cstr(ds
, "drop");
243 /* Returns the correct length of the payload for a flow key attribute of the
244 * specified 'type', or -1 if 'type' is unknown. */
246 odp_flow_key_attr_len(uint16_t type
)
248 if (type
> OVS_KEY_ATTR_MAX
) {
252 switch ((enum ovs_key_attr
) type
) {
253 case OVS_KEY_ATTR_PRIORITY
: return 4;
254 case OVS_KEY_ATTR_TUN_ID
: return 8;
255 case OVS_KEY_ATTR_IN_PORT
: return 4;
256 case OVS_KEY_ATTR_ETHERNET
: return sizeof(struct ovs_key_ethernet
);
257 case OVS_KEY_ATTR_8021Q
: return sizeof(struct ovs_key_8021q
);
258 case OVS_KEY_ATTR_ETHERTYPE
: return 2;
259 case OVS_KEY_ATTR_IPV4
: return sizeof(struct ovs_key_ipv4
);
260 case OVS_KEY_ATTR_IPV6
: return sizeof(struct ovs_key_ipv6
);
261 case OVS_KEY_ATTR_TCP
: return sizeof(struct ovs_key_tcp
);
262 case OVS_KEY_ATTR_UDP
: return sizeof(struct ovs_key_udp
);
263 case OVS_KEY_ATTR_ICMP
: return sizeof(struct ovs_key_icmp
);
264 case OVS_KEY_ATTR_ICMPV6
: return sizeof(struct ovs_key_icmpv6
);
265 case OVS_KEY_ATTR_ARP
: return sizeof(struct ovs_key_arp
);
266 case OVS_KEY_ATTR_ND
: return sizeof(struct ovs_key_nd
);
268 case OVS_KEY_ATTR_UNSPEC
:
269 case __OVS_KEY_ATTR_MAX
:
278 format_generic_odp_key(const struct nlattr
*a
, struct ds
*ds
)
280 size_t len
= nl_attr_get_size(a
);
282 ds_put_format(ds
, "key%"PRId16
, nl_attr_type(a
));
284 const uint8_t *unspec
;
287 unspec
= nl_attr_get(a
);
288 for (i
= 0; i
< len
; i
++) {
289 ds_put_char(ds
, i
? ' ': '(');
290 ds_put_format(ds
, "%02x", unspec
[i
]);
292 ds_put_char(ds
, ')');
297 ovs_frag_type_to_string(enum ovs_frag_type type
)
300 case OVS_FRAG_TYPE_NONE
:
302 case OVS_FRAG_TYPE_FIRST
:
304 case OVS_FRAG_TYPE_LATER
:
306 case __OVS_FRAG_TYPE_MAX
:
313 format_odp_key_attr(const struct nlattr
*a
, struct ds
*ds
)
315 const struct ovs_key_ethernet
*eth_key
;
316 const struct ovs_key_8021q
*q_key
;
317 const struct ovs_key_ipv4
*ipv4_key
;
318 const struct ovs_key_ipv6
*ipv6_key
;
319 const struct ovs_key_tcp
*tcp_key
;
320 const struct ovs_key_udp
*udp_key
;
321 const struct ovs_key_icmp
*icmp_key
;
322 const struct ovs_key_icmpv6
*icmpv6_key
;
323 const struct ovs_key_arp
*arp_key
;
324 const struct ovs_key_nd
*nd_key
;
326 if (nl_attr_get_size(a
) != odp_flow_key_attr_len(nl_attr_type(a
))) {
327 ds_put_format(ds
, "bad length %zu, expected %d for: ",
329 odp_flow_key_attr_len(nl_attr_type(a
)));
330 format_generic_odp_key(a
, ds
);
334 switch (nl_attr_type(a
)) {
335 case OVS_KEY_ATTR_PRIORITY
:
336 ds_put_format(ds
, "priority(%"PRIu32
")", nl_attr_get_u32(a
));
339 case OVS_KEY_ATTR_TUN_ID
:
340 ds_put_format(ds
, "tun_id(%#"PRIx64
")", ntohll(nl_attr_get_be64(a
)));
343 case OVS_KEY_ATTR_IN_PORT
:
344 ds_put_format(ds
, "in_port(%"PRIu32
")", nl_attr_get_u32(a
));
347 case OVS_KEY_ATTR_ETHERNET
:
348 eth_key
= nl_attr_get(a
);
349 ds_put_format(ds
, "eth(src="ETH_ADDR_FMT
",dst="ETH_ADDR_FMT
")",
350 ETH_ADDR_ARGS(eth_key
->eth_src
),
351 ETH_ADDR_ARGS(eth_key
->eth_dst
));
354 case OVS_KEY_ATTR_8021Q
:
355 q_key
= nl_attr_get(a
);
356 ds_put_cstr(ds
, "vlan(");
357 if (q_key
->q_tpid
!= htons(ETH_TYPE_VLAN
)) {
358 ds_put_format(ds
, "tpid=0x%04"PRIx16
",", ntohs(q_key
->q_tpid
));
360 ds_put_format(ds
, "vid=%"PRIu16
",pcp=%d)",
361 vlan_tci_to_vid(q_key
->q_tci
),
362 vlan_tci_to_pcp(q_key
->q_tci
));
365 case OVS_KEY_ATTR_ETHERTYPE
:
366 ds_put_format(ds
, "eth_type(0x%04"PRIx16
")",
367 ntohs(nl_attr_get_be16(a
)));
370 case OVS_KEY_ATTR_IPV4
:
371 ipv4_key
= nl_attr_get(a
);
372 ds_put_format(ds
, "ipv4(src="IP_FMT
",dst="IP_FMT
",proto=%"PRId8
373 ",tos=%#"PRIx8
",ttl=%"PRIu8
",frag=%s)",
374 IP_ARGS(&ipv4_key
->ipv4_src
),
375 IP_ARGS(&ipv4_key
->ipv4_dst
),
376 ipv4_key
->ipv4_proto
, ipv4_key
->ipv4_tos
,
378 ovs_frag_type_to_string(ipv4_key
->ipv4_frag
));
381 case OVS_KEY_ATTR_IPV6
: {
382 char src_str
[INET6_ADDRSTRLEN
];
383 char dst_str
[INET6_ADDRSTRLEN
];
385 ipv6_key
= nl_attr_get(a
);
386 inet_ntop(AF_INET6
, ipv6_key
->ipv6_src
, src_str
, sizeof src_str
);
387 inet_ntop(AF_INET6
, ipv6_key
->ipv6_dst
, dst_str
, sizeof dst_str
);
389 ds_put_format(ds
, "ipv6(src=%s,dst=%s,label=%#"PRIx32
",proto=%"PRId8
390 ",tos=%#"PRIx8
",hlimit=%"PRIu8
",frag=%s)",
391 src_str
, dst_str
, ntohl(ipv6_key
->ipv6_label
),
392 ipv6_key
->ipv6_proto
, ipv6_key
->ipv6_tos
,
393 ipv6_key
->ipv6_hlimit
,
394 ovs_frag_type_to_string(ipv6_key
->ipv6_frag
));
398 case OVS_KEY_ATTR_TCP
:
399 tcp_key
= nl_attr_get(a
);
400 ds_put_format(ds
, "tcp(src=%"PRIu16
",dst=%"PRIu16
")",
401 ntohs(tcp_key
->tcp_src
), ntohs(tcp_key
->tcp_dst
));
404 case OVS_KEY_ATTR_UDP
:
405 udp_key
= nl_attr_get(a
);
406 ds_put_format(ds
, "udp(src=%"PRIu16
",dst=%"PRIu16
")",
407 ntohs(udp_key
->udp_src
), ntohs(udp_key
->udp_dst
));
410 case OVS_KEY_ATTR_ICMP
:
411 icmp_key
= nl_attr_get(a
);
412 ds_put_format(ds
, "icmp(type=%"PRIu8
",code=%"PRIu8
")",
413 icmp_key
->icmp_type
, icmp_key
->icmp_code
);
416 case OVS_KEY_ATTR_ICMPV6
:
417 icmpv6_key
= nl_attr_get(a
);
418 ds_put_format(ds
, "icmpv6(type=%"PRIu8
",code=%"PRIu8
")",
419 icmpv6_key
->icmpv6_type
, icmpv6_key
->icmpv6_code
);
422 case OVS_KEY_ATTR_ARP
:
423 arp_key
= nl_attr_get(a
);
424 ds_put_format(ds
, "arp(sip="IP_FMT
",tip="IP_FMT
",op=%"PRIu16
","
425 "sha="ETH_ADDR_FMT
",tha="ETH_ADDR_FMT
")",
426 IP_ARGS(&arp_key
->arp_sip
), IP_ARGS(&arp_key
->arp_tip
),
427 ntohs(arp_key
->arp_op
), ETH_ADDR_ARGS(arp_key
->arp_sha
),
428 ETH_ADDR_ARGS(arp_key
->arp_tha
));
431 case OVS_KEY_ATTR_ND
: {
432 char target
[INET6_ADDRSTRLEN
];
434 nd_key
= nl_attr_get(a
);
435 inet_ntop(AF_INET6
, nd_key
->nd_target
, target
, sizeof target
);
437 ds_put_format(ds
, "nd(target=%s", target
);
438 if (!eth_addr_is_zero(nd_key
->nd_sll
)) {
439 ds_put_format(ds
, ",sll="ETH_ADDR_FMT
,
440 ETH_ADDR_ARGS(nd_key
->nd_sll
));
442 if (!eth_addr_is_zero(nd_key
->nd_tll
)) {
443 ds_put_format(ds
, ",tll="ETH_ADDR_FMT
,
444 ETH_ADDR_ARGS(nd_key
->nd_tll
));
446 ds_put_char(ds
, ')');
451 format_generic_odp_key(a
, ds
);
456 /* Appends to 'ds' a string representation of the 'key_len' bytes of
457 * OVS_KEY_ATTR_* attributes in 'key'. */
459 odp_flow_key_format(const struct nlattr
*key
, size_t key_len
, struct ds
*ds
)
462 const struct nlattr
*a
;
465 NL_ATTR_FOR_EACH (a
, left
, key
, key_len
) {
467 ds_put_char(ds
, ',');
469 format_odp_key_attr(a
, ds
);
472 if (left
== key_len
) {
473 ds_put_cstr(ds
, "<empty>");
475 ds_put_format(ds
, ",***%u leftover bytes***", left
);
478 ds_put_cstr(ds
, "<empty>");
483 put_nd_key(int n
, const char *nd_target_s
,
484 const uint8_t *nd_sll
, const uint8_t *nd_tll
, struct ofpbuf
*key
)
486 struct ovs_key_nd nd_key
;
488 memset(&nd_key
, 0, sizeof nd_key
);
489 if (inet_pton(AF_INET6
, nd_target_s
, nd_key
.nd_target
) != 1) {
493 memcpy(nd_key
.nd_sll
, nd_sll
, ETH_ADDR_LEN
);
496 memcpy(nd_key
.nd_tll
, nd_tll
, ETH_ADDR_LEN
);
498 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ND
, &nd_key
, sizeof nd_key
);
503 ovs_frag_type_from_string(const char *s
, enum ovs_frag_type
*type
)
505 if (!strcasecmp(s
, "no")) {
506 *type
= OVS_FRAG_TYPE_NONE
;
507 } else if (!strcasecmp(s
, "first")) {
508 *type
= OVS_FRAG_TYPE_FIRST
;
509 } else if (!strcasecmp(s
, "later")) {
510 *type
= OVS_FRAG_TYPE_LATER
;
518 parse_odp_key_attr(const char *s
, struct ofpbuf
*key
)
520 /* Many of the sscanf calls in this function use oversized destination
521 * fields because some sscanf() implementations truncate the range of %i
522 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
523 * value of 0x7fff. The other alternatives are to allow only a single
524 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
527 * The tun_id parser has to use an alternative approach because there is no
528 * type larger than 64 bits. */
531 unsigned long long int priority
;
534 if (sscanf(s
, "priority(%lli)%n", &priority
, &n
) > 0 && n
> 0) {
535 nl_msg_put_u32(key
, OVS_KEY_ATTR_PRIORITY
, priority
);
544 if (sscanf(s
, "tun_id(%31[x0123456789abcdefABCDEF])%n",
545 tun_id_s
, &n
) > 0 && n
> 0) {
546 uint64_t tun_id
= strtoull(tun_id_s
, NULL
, 0);
547 nl_msg_put_be64(key
, OVS_KEY_ATTR_TUN_ID
, htonll(tun_id
));
553 unsigned long long int in_port
;
556 if (sscanf(s
, "in_port(%lli)%n", &in_port
, &n
) > 0 && n
> 0) {
557 nl_msg_put_u32(key
, OVS_KEY_ATTR_IN_PORT
, in_port
);
563 struct ovs_key_ethernet eth_key
;
567 "eth(src="ETH_ADDR_SCAN_FMT
",dst="ETH_ADDR_SCAN_FMT
")%n",
568 ETH_ADDR_SCAN_ARGS(eth_key
.eth_src
),
569 ETH_ADDR_SCAN_ARGS(eth_key
.eth_dst
), &n
) > 0 && n
> 0) {
570 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ETHERNET
,
571 ð_key
, sizeof eth_key
);
577 uint16_t tpid
= ETH_TYPE_VLAN
;
582 if ((sscanf(s
, "vlan(vid=%"SCNi16
",pcp=%i)%n",
583 &vid
, &pcp
, &n
) > 0 && n
> 0) ||
584 (sscanf(s
, "vlan(tpid=%"SCNi16
",vid=%"SCNi16
",pcp=%i)%n",
585 &tpid
, &vid
, &pcp
, &n
) > 0 && n
> 0)) {
586 struct ovs_key_8021q q_key
;
588 q_key
.q_tpid
= htons(tpid
);
589 q_key
.q_tci
= htons((vid
<< VLAN_VID_SHIFT
) |
590 (pcp
<< VLAN_PCP_SHIFT
));
591 nl_msg_put_unspec(key
, OVS_KEY_ATTR_8021Q
, &q_key
, sizeof q_key
);
600 if (sscanf(s
, "eth_type(%i)%n", ð_type
, &n
) > 0 && n
> 0) {
601 nl_msg_put_be16(key
, OVS_KEY_ATTR_ETHERTYPE
, htons(eth_type
));
613 enum ovs_frag_type ipv4_frag
;
616 if (sscanf(s
, "ipv4(src="IP_SCAN_FMT
",dst="IP_SCAN_FMT
","
617 "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n",
618 IP_SCAN_ARGS(&ipv4_src
), IP_SCAN_ARGS(&ipv4_dst
),
619 &ipv4_proto
, &ipv4_tos
, &ipv4_ttl
, frag
, &n
) > 0
621 && ovs_frag_type_from_string(frag
, &ipv4_frag
)) {
622 struct ovs_key_ipv4 ipv4_key
;
624 ipv4_key
.ipv4_src
= ipv4_src
;
625 ipv4_key
.ipv4_dst
= ipv4_dst
;
626 ipv4_key
.ipv4_proto
= ipv4_proto
;
627 ipv4_key
.ipv4_tos
= ipv4_tos
;
628 ipv4_key
.ipv4_ttl
= ipv4_ttl
;
629 ipv4_key
.ipv4_frag
= ipv4_frag
;
630 nl_msg_put_unspec(key
, OVS_KEY_ATTR_IPV4
,
631 &ipv4_key
, sizeof ipv4_key
);
637 char ipv6_src_s
[IPV6_SCAN_LEN
+ 1];
638 char ipv6_dst_s
[IPV6_SCAN_LEN
+ 1];
644 enum ovs_frag_type ipv6_frag
;
647 if (sscanf(s
, "ipv6(src="IPV6_SCAN_FMT
",dst="IPV6_SCAN_FMT
","
648 "label=%i,proto=%i,tos=%i,hlimit=%i,frag=%7[a-z])%n",
649 ipv6_src_s
, ipv6_dst_s
, &ipv6_label
,
650 &ipv6_proto
, &ipv6_tos
, &ipv6_hlimit
, frag
, &n
) > 0
652 && ovs_frag_type_from_string(frag
, &ipv6_frag
)) {
653 struct ovs_key_ipv6 ipv6_key
;
655 if (inet_pton(AF_INET6
, ipv6_src_s
, &ipv6_key
.ipv6_src
) != 1 ||
656 inet_pton(AF_INET6
, ipv6_dst_s
, &ipv6_key
.ipv6_dst
) != 1) {
659 ipv6_key
.ipv6_label
= htonl(ipv6_label
);
660 ipv6_key
.ipv6_proto
= ipv6_proto
;
661 ipv6_key
.ipv6_tos
= ipv6_tos
;
662 ipv6_key
.ipv6_hlimit
= ipv6_hlimit
;
663 ipv6_key
.ipv6_frag
= ipv6_frag
;
664 nl_msg_put_unspec(key
, OVS_KEY_ATTR_IPV6
,
665 &ipv6_key
, sizeof ipv6_key
);
675 if (sscanf(s
, "tcp(src=%i,dst=%i)%n",&tcp_src
, &tcp_dst
, &n
) > 0
677 struct ovs_key_tcp tcp_key
;
679 tcp_key
.tcp_src
= htons(tcp_src
);
680 tcp_key
.tcp_dst
= htons(tcp_dst
);
681 nl_msg_put_unspec(key
, OVS_KEY_ATTR_TCP
, &tcp_key
, sizeof tcp_key
);
691 if (sscanf(s
, "udp(src=%i,dst=%i)%n", &udp_src
, &udp_dst
, &n
) > 0
693 struct ovs_key_udp udp_key
;
695 udp_key
.udp_src
= htons(udp_src
);
696 udp_key
.udp_dst
= htons(udp_dst
);
697 nl_msg_put_unspec(key
, OVS_KEY_ATTR_UDP
, &udp_key
, sizeof udp_key
);
707 if (sscanf(s
, "icmp(type=%i,code=%i)%n",
708 &icmp_type
, &icmp_code
, &n
) > 0
710 struct ovs_key_icmp icmp_key
;
712 icmp_key
.icmp_type
= icmp_type
;
713 icmp_key
.icmp_code
= icmp_code
;
714 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ICMP
,
715 &icmp_key
, sizeof icmp_key
);
721 struct ovs_key_icmpv6 icmpv6_key
;
724 if (sscanf(s
, "icmpv6(type=%"SCNi8
",code=%"SCNi8
")%n",
725 &icmpv6_key
.icmpv6_type
, &icmpv6_key
.icmpv6_code
,&n
) > 0
727 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ICMPV6
,
728 &icmpv6_key
, sizeof icmpv6_key
);
737 uint8_t arp_sha
[ETH_ADDR_LEN
];
738 uint8_t arp_tha
[ETH_ADDR_LEN
];
741 if (sscanf(s
, "arp(sip="IP_SCAN_FMT
",tip="IP_SCAN_FMT
","
742 "op=%i,sha="ETH_ADDR_SCAN_FMT
",tha="ETH_ADDR_SCAN_FMT
")%n",
743 IP_SCAN_ARGS(&arp_sip
),
744 IP_SCAN_ARGS(&arp_tip
),
746 ETH_ADDR_SCAN_ARGS(arp_sha
),
747 ETH_ADDR_SCAN_ARGS(arp_tha
), &n
) > 0 && n
> 0) {
748 struct ovs_key_arp arp_key
;
750 memset(&arp_key
, 0, sizeof arp_key
);
751 arp_key
.arp_sip
= arp_sip
;
752 arp_key
.arp_tip
= arp_tip
;
753 arp_key
.arp_op
= htons(arp_op
);
754 memcpy(arp_key
.arp_sha
, arp_sha
, ETH_ADDR_LEN
);
755 memcpy(arp_key
.arp_tha
, arp_tha
, ETH_ADDR_LEN
);
756 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ARP
, &arp_key
, sizeof arp_key
);
762 char nd_target_s
[IPV6_SCAN_LEN
+ 1];
763 uint8_t nd_sll
[ETH_ADDR_LEN
];
764 uint8_t nd_tll
[ETH_ADDR_LEN
];
767 if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
")%n",
768 nd_target_s
, &n
) > 0 && n
> 0) {
769 return put_nd_key(n
, nd_target_s
, NULL
, NULL
, key
);
771 if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
",sll="ETH_ADDR_SCAN_FMT
")%n",
772 nd_target_s
, ETH_ADDR_SCAN_ARGS(nd_sll
), &n
) > 0
774 return put_nd_key(n
, nd_target_s
, nd_sll
, NULL
, key
);
776 if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
",tll="ETH_ADDR_SCAN_FMT
")%n",
777 nd_target_s
, ETH_ADDR_SCAN_ARGS(nd_tll
), &n
) > 0
779 return put_nd_key(n
, nd_target_s
, NULL
, nd_tll
, key
);
781 if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
",sll="ETH_ADDR_SCAN_FMT
","
782 "tll="ETH_ADDR_SCAN_FMT
")%n",
783 nd_target_s
, ETH_ADDR_SCAN_ARGS(nd_sll
),
784 ETH_ADDR_SCAN_ARGS(nd_tll
), &n
) > 0
786 return put_nd_key(n
, nd_target_s
, nd_sll
, nd_tll
, key
);
793 /* Parses the string representation of a datapath flow key, in the
794 * format output by odp_flow_key_format(). Returns 0 if successful,
795 * otherwise a positive errno value. On success, the flow key is
796 * appended to 'key' as a series of Netlink attributes. On failure, no
797 * data is appended to 'key'. Either way, 'key''s data might be
800 * On success, the attributes appended to 'key' are individually syntactically
801 * valid, but they may not be valid as a sequence. 'key' might, for example,
802 * be missing an "in_port" key, have duplicated keys, or have keys in the wrong
803 * order. odp_flow_key_to_flow() will detect those errors. */
805 odp_flow_key_from_string(const char *s
, struct ofpbuf
*key
)
807 const size_t old_size
= key
->size
;
811 s
+= strspn(s
, ", \t\r\n");
816 retval
= parse_odp_key_attr(s
, key
);
818 key
->size
= old_size
;
828 ovs_to_odp_frag(uint8_t ovs_frag
)
830 return (ovs_frag
& FLOW_FRAG_LATER
? OVS_FRAG_TYPE_LATER
831 : ovs_frag
& FLOW_FRAG_ANY
? OVS_FRAG_TYPE_FIRST
832 : OVS_FRAG_TYPE_NONE
);
835 /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'. */
837 odp_flow_key_from_flow(struct ofpbuf
*buf
, const struct flow
*flow
)
839 struct ovs_key_ethernet
*eth_key
;
841 if (flow
->priority
) {
842 nl_msg_put_u32(buf
, OVS_KEY_ATTR_PRIORITY
, flow
->priority
);
845 if (flow
->tun_id
!= htonll(0)) {
846 nl_msg_put_be64(buf
, OVS_KEY_ATTR_TUN_ID
, flow
->tun_id
);
849 if (flow
->in_port
!= OFPP_NONE
) {
850 nl_msg_put_u32(buf
, OVS_KEY_ATTR_IN_PORT
,
851 ofp_port_to_odp_port(flow
->in_port
));
854 eth_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ETHERNET
,
856 memcpy(eth_key
->eth_src
, flow
->dl_src
, ETH_ADDR_LEN
);
857 memcpy(eth_key
->eth_dst
, flow
->dl_dst
, ETH_ADDR_LEN
);
859 if (flow
->vlan_tci
!= htons(0)) {
860 struct ovs_key_8021q
*q_key
;
862 q_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_8021Q
,
864 q_key
->q_tpid
= htons(ETH_TYPE_VLAN
);
865 q_key
->q_tci
= flow
->vlan_tci
& ~htons(VLAN_CFI
);
868 if (ntohs(flow
->dl_type
) < ETH_TYPE_MIN
) {
872 nl_msg_put_be16(buf
, OVS_KEY_ATTR_ETHERTYPE
, flow
->dl_type
);
874 if (flow
->dl_type
== htons(ETH_TYPE_IP
)) {
875 struct ovs_key_ipv4
*ipv4_key
;
877 ipv4_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_IPV4
,
879 ipv4_key
->ipv4_src
= flow
->nw_src
;
880 ipv4_key
->ipv4_dst
= flow
->nw_dst
;
881 ipv4_key
->ipv4_proto
= flow
->nw_proto
;
882 ipv4_key
->ipv4_tos
= flow
->tos
;
883 ipv4_key
->ipv4_ttl
= flow
->nw_ttl
;
884 ipv4_key
->ipv4_frag
= ovs_to_odp_frag(flow
->frag
);
885 } else if (flow
->dl_type
== htons(ETH_TYPE_IPV6
)) {
886 struct ovs_key_ipv6
*ipv6_key
;
888 ipv6_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_IPV6
,
890 memcpy(ipv6_key
->ipv6_src
, &flow
->ipv6_src
, sizeof ipv6_key
->ipv6_src
);
891 memcpy(ipv6_key
->ipv6_dst
, &flow
->ipv6_dst
, sizeof ipv6_key
->ipv6_dst
);
892 ipv6_key
->ipv6_label
= flow
->ipv6_label
;
893 ipv6_key
->ipv6_proto
= flow
->nw_proto
;
894 ipv6_key
->ipv6_tos
= flow
->tos
;
895 ipv6_key
->ipv6_hlimit
= flow
->nw_ttl
;
896 ipv6_key
->ipv6_frag
= ovs_to_odp_frag(flow
->frag
);
897 } else if (flow
->dl_type
== htons(ETH_TYPE_ARP
)) {
898 struct ovs_key_arp
*arp_key
;
900 arp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ARP
,
902 memset(arp_key
, 0, sizeof *arp_key
);
903 arp_key
->arp_sip
= flow
->nw_src
;
904 arp_key
->arp_tip
= flow
->nw_dst
;
905 arp_key
->arp_op
= htons(flow
->nw_proto
);
906 memcpy(arp_key
->arp_sha
, flow
->arp_sha
, ETH_ADDR_LEN
);
907 memcpy(arp_key
->arp_tha
, flow
->arp_tha
, ETH_ADDR_LEN
);
910 if ((flow
->dl_type
== htons(ETH_TYPE_IP
)
911 || flow
->dl_type
== htons(ETH_TYPE_IPV6
))
912 && !(flow
->frag
& FLOW_FRAG_LATER
)) {
914 if (flow
->nw_proto
== IPPROTO_TCP
) {
915 struct ovs_key_tcp
*tcp_key
;
917 tcp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_TCP
,
919 tcp_key
->tcp_src
= flow
->tp_src
;
920 tcp_key
->tcp_dst
= flow
->tp_dst
;
921 } else if (flow
->nw_proto
== IPPROTO_UDP
) {
922 struct ovs_key_udp
*udp_key
;
924 udp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_UDP
,
926 udp_key
->udp_src
= flow
->tp_src
;
927 udp_key
->udp_dst
= flow
->tp_dst
;
928 } else if (flow
->dl_type
== htons(ETH_TYPE_IP
)
929 && flow
->nw_proto
== IPPROTO_ICMP
) {
930 struct ovs_key_icmp
*icmp_key
;
932 icmp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ICMP
,
934 icmp_key
->icmp_type
= ntohs(flow
->tp_src
);
935 icmp_key
->icmp_code
= ntohs(flow
->tp_dst
);
936 } else if (flow
->dl_type
== htons(ETH_TYPE_IPV6
)
937 && flow
->nw_proto
== IPPROTO_ICMPV6
) {
938 struct ovs_key_icmpv6
*icmpv6_key
;
940 icmpv6_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ICMPV6
,
942 icmpv6_key
->icmpv6_type
= ntohs(flow
->tp_src
);
943 icmpv6_key
->icmpv6_code
= ntohs(flow
->tp_dst
);
945 if (icmpv6_key
->icmpv6_type
== ND_NEIGHBOR_SOLICIT
946 || icmpv6_key
->icmpv6_type
== ND_NEIGHBOR_ADVERT
) {
947 struct ovs_key_nd
*nd_key
;
949 nd_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ND
,
951 memcpy(nd_key
->nd_target
, &flow
->nd_target
,
952 sizeof nd_key
->nd_target
);
953 memcpy(nd_key
->nd_sll
, flow
->arp_sha
, ETH_ADDR_LEN
);
954 memcpy(nd_key
->nd_tll
, flow
->arp_tha
, ETH_ADDR_LEN
);
961 odp_to_ovs_frag(uint8_t odp_frag
, struct flow
*flow
)
963 if (odp_frag
> OVS_FRAG_TYPE_LATER
) {
967 if (odp_frag
!= OVS_FRAG_TYPE_NONE
) {
968 flow
->frag
|= FLOW_FRAG_ANY
;
969 if (odp_frag
== OVS_FRAG_TYPE_LATER
) {
970 flow
->frag
|= FLOW_FRAG_LATER
;
976 /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
977 * structure in 'flow'. Returns 0 if successful, otherwise EINVAL. */
979 odp_flow_key_to_flow(const struct nlattr
*key
, size_t key_len
,
982 const struct nlattr
*nla
;
983 enum ovs_key_attr prev_type
;
986 memset(flow
, 0, sizeof *flow
);
987 flow
->dl_type
= htons(FLOW_DL_TYPE_NONE
);
988 flow
->in_port
= OFPP_NONE
;
990 prev_type
= OVS_KEY_ATTR_UNSPEC
;
991 NL_ATTR_FOR_EACH (nla
, left
, key
, key_len
) {
992 const struct ovs_key_ethernet
*eth_key
;
993 const struct ovs_key_8021q
*q_key
;
994 const struct ovs_key_ipv4
*ipv4_key
;
995 const struct ovs_key_ipv6
*ipv6_key
;
996 const struct ovs_key_tcp
*tcp_key
;
997 const struct ovs_key_udp
*udp_key
;
998 const struct ovs_key_icmp
*icmp_key
;
999 const struct ovs_key_icmpv6
*icmpv6_key
;
1000 const struct ovs_key_arp
*arp_key
;
1001 const struct ovs_key_nd
*nd_key
;
1003 uint16_t type
= nl_attr_type(nla
);
1004 int len
= odp_flow_key_attr_len(type
);
1006 if (nl_attr_get_size(nla
) != len
&& len
!= -1) {
1010 #define TRANSITION(PREV_TYPE, TYPE) (((PREV_TYPE) << 16) | (TYPE))
1011 switch (TRANSITION(prev_type
, type
)) {
1012 case TRANSITION(OVS_KEY_ATTR_UNSPEC
, OVS_KEY_ATTR_PRIORITY
):
1013 flow
->priority
= nl_attr_get_u32(nla
);
1016 case TRANSITION(OVS_KEY_ATTR_UNSPEC
, OVS_KEY_ATTR_TUN_ID
):
1017 case TRANSITION(OVS_KEY_ATTR_PRIORITY
, OVS_KEY_ATTR_TUN_ID
):
1018 flow
->tun_id
= nl_attr_get_be64(nla
);
1021 case TRANSITION(OVS_KEY_ATTR_UNSPEC
, OVS_KEY_ATTR_IN_PORT
):
1022 case TRANSITION(OVS_KEY_ATTR_PRIORITY
, OVS_KEY_ATTR_IN_PORT
):
1023 case TRANSITION(OVS_KEY_ATTR_TUN_ID
, OVS_KEY_ATTR_IN_PORT
):
1024 if (nl_attr_get_u32(nla
) >= UINT16_MAX
) {
1027 flow
->in_port
= odp_port_to_ofp_port(nl_attr_get_u32(nla
));
1030 case TRANSITION(OVS_KEY_ATTR_UNSPEC
, OVS_KEY_ATTR_ETHERNET
):
1031 case TRANSITION(OVS_KEY_ATTR_PRIORITY
, OVS_KEY_ATTR_ETHERNET
):
1032 case TRANSITION(OVS_KEY_ATTR_TUN_ID
, OVS_KEY_ATTR_ETHERNET
):
1033 case TRANSITION(OVS_KEY_ATTR_IN_PORT
, OVS_KEY_ATTR_ETHERNET
):
1034 eth_key
= nl_attr_get(nla
);
1035 memcpy(flow
->dl_src
, eth_key
->eth_src
, ETH_ADDR_LEN
);
1036 memcpy(flow
->dl_dst
, eth_key
->eth_dst
, ETH_ADDR_LEN
);
1039 case TRANSITION(OVS_KEY_ATTR_ETHERNET
, OVS_KEY_ATTR_8021Q
):
1040 q_key
= nl_attr_get(nla
);
1041 if (q_key
->q_tpid
!= htons(ETH_TYPE_VLAN
)) {
1042 /* Only standard 0x8100 VLANs currently supported. */
1045 if (q_key
->q_tci
& htons(VLAN_CFI
)) {
1048 flow
->vlan_tci
= q_key
->q_tci
| htons(VLAN_CFI
);
1051 case TRANSITION(OVS_KEY_ATTR_8021Q
, OVS_KEY_ATTR_ETHERTYPE
):
1052 case TRANSITION(OVS_KEY_ATTR_ETHERNET
, OVS_KEY_ATTR_ETHERTYPE
):
1053 flow
->dl_type
= nl_attr_get_be16(nla
);
1054 if (ntohs(flow
->dl_type
) < 1536) {
1059 case TRANSITION(OVS_KEY_ATTR_ETHERTYPE
, OVS_KEY_ATTR_IPV4
):
1060 if (flow
->dl_type
!= htons(ETH_TYPE_IP
)) {
1063 ipv4_key
= nl_attr_get(nla
);
1064 flow
->nw_src
= ipv4_key
->ipv4_src
;
1065 flow
->nw_dst
= ipv4_key
->ipv4_dst
;
1066 flow
->nw_proto
= ipv4_key
->ipv4_proto
;
1067 flow
->tos
= ipv4_key
->ipv4_tos
;
1068 flow
->nw_ttl
= ipv4_key
->ipv4_ttl
;
1069 if (!odp_to_ovs_frag(ipv4_key
->ipv4_frag
, flow
)) {
1074 case TRANSITION(OVS_KEY_ATTR_ETHERTYPE
, OVS_KEY_ATTR_IPV6
):
1075 if (flow
->dl_type
!= htons(ETH_TYPE_IPV6
)) {
1078 ipv6_key
= nl_attr_get(nla
);
1079 memcpy(&flow
->ipv6_src
, ipv6_key
->ipv6_src
, sizeof flow
->ipv6_src
);
1080 memcpy(&flow
->ipv6_dst
, ipv6_key
->ipv6_dst
, sizeof flow
->ipv6_dst
);
1081 flow
->ipv6_label
= ipv6_key
->ipv6_label
;
1082 flow
->nw_proto
= ipv6_key
->ipv6_proto
;
1083 flow
->tos
= ipv6_key
->ipv6_tos
;
1084 flow
->nw_ttl
= ipv6_key
->ipv6_hlimit
;
1085 if (!odp_to_ovs_frag(ipv6_key
->ipv6_frag
, flow
)) {
1090 case TRANSITION(OVS_KEY_ATTR_IPV4
, OVS_KEY_ATTR_TCP
):
1091 case TRANSITION(OVS_KEY_ATTR_IPV6
, OVS_KEY_ATTR_TCP
):
1092 if (flow
->nw_proto
!= IPPROTO_TCP
) {
1095 tcp_key
= nl_attr_get(nla
);
1096 flow
->tp_src
= tcp_key
->tcp_src
;
1097 flow
->tp_dst
= tcp_key
->tcp_dst
;
1100 case TRANSITION(OVS_KEY_ATTR_IPV4
, OVS_KEY_ATTR_UDP
):
1101 case TRANSITION(OVS_KEY_ATTR_IPV6
, OVS_KEY_ATTR_UDP
):
1102 if (flow
->nw_proto
!= IPPROTO_UDP
) {
1105 udp_key
= nl_attr_get(nla
);
1106 flow
->tp_src
= udp_key
->udp_src
;
1107 flow
->tp_dst
= udp_key
->udp_dst
;
1110 case TRANSITION(OVS_KEY_ATTR_IPV4
, OVS_KEY_ATTR_ICMP
):
1111 if (flow
->nw_proto
!= IPPROTO_ICMP
) {
1114 icmp_key
= nl_attr_get(nla
);
1115 flow
->tp_src
= htons(icmp_key
->icmp_type
);
1116 flow
->tp_dst
= htons(icmp_key
->icmp_code
);
1119 case TRANSITION(OVS_KEY_ATTR_IPV6
, OVS_KEY_ATTR_ICMPV6
):
1120 if (flow
->nw_proto
!= IPPROTO_ICMPV6
) {
1123 icmpv6_key
= nl_attr_get(nla
);
1124 flow
->tp_src
= htons(icmpv6_key
->icmpv6_type
);
1125 flow
->tp_dst
= htons(icmpv6_key
->icmpv6_code
);
1128 case TRANSITION(OVS_KEY_ATTR_ETHERTYPE
, OVS_KEY_ATTR_ARP
):
1129 if (flow
->dl_type
!= htons(ETH_TYPE_ARP
)) {
1132 arp_key
= nl_attr_get(nla
);
1133 flow
->nw_src
= arp_key
->arp_sip
;
1134 flow
->nw_dst
= arp_key
->arp_tip
;
1135 if (arp_key
->arp_op
& htons(0xff00)) {
1138 flow
->nw_proto
= ntohs(arp_key
->arp_op
);
1139 memcpy(flow
->arp_sha
, arp_key
->arp_sha
, ETH_ADDR_LEN
);
1140 memcpy(flow
->arp_tha
, arp_key
->arp_tha
, ETH_ADDR_LEN
);
1143 case TRANSITION(OVS_KEY_ATTR_ICMPV6
, OVS_KEY_ATTR_ND
):
1144 if (flow
->tp_src
!= htons(ND_NEIGHBOR_SOLICIT
)
1145 && flow
->tp_src
!= htons(ND_NEIGHBOR_ADVERT
)) {
1148 nd_key
= nl_attr_get(nla
);
1149 memcpy(&flow
->nd_target
, nd_key
->nd_target
, sizeof flow
->nd_target
);
1150 memcpy(flow
->arp_sha
, nd_key
->nd_sll
, ETH_ADDR_LEN
);
1151 memcpy(flow
->arp_tha
, nd_key
->nd_tll
, ETH_ADDR_LEN
);
1164 switch (prev_type
) {
1165 case OVS_KEY_ATTR_UNSPEC
:
1168 case OVS_KEY_ATTR_PRIORITY
:
1169 case OVS_KEY_ATTR_TUN_ID
:
1170 case OVS_KEY_ATTR_IN_PORT
:
1173 case OVS_KEY_ATTR_ETHERNET
:
1174 case OVS_KEY_ATTR_8021Q
:
1177 case OVS_KEY_ATTR_ETHERTYPE
:
1178 if (flow
->dl_type
== htons(ETH_TYPE_IP
)
1179 || flow
->dl_type
== htons(ETH_TYPE_IPV6
)
1180 || flow
->dl_type
== htons(ETH_TYPE_ARP
)) {
1185 case OVS_KEY_ATTR_IPV4
:
1186 if (flow
->frag
& FLOW_FRAG_LATER
) {
1189 if (flow
->nw_proto
== IPPROTO_TCP
1190 || flow
->nw_proto
== IPPROTO_UDP
1191 || flow
->nw_proto
== IPPROTO_ICMP
) {
1196 case OVS_KEY_ATTR_IPV6
:
1197 if (flow
->frag
& FLOW_FRAG_LATER
) {
1200 if (flow
->nw_proto
== IPPROTO_TCP
1201 || flow
->nw_proto
== IPPROTO_UDP
1202 || flow
->nw_proto
== IPPROTO_ICMPV6
) {
1207 case OVS_KEY_ATTR_ICMPV6
:
1208 if (flow
->tp_src
== htons(ND_NEIGHBOR_SOLICIT
)
1209 || flow
->tp_src
== htons(ND_NEIGHBOR_ADVERT
)
1210 || flow
->frag
& FLOW_FRAG_LATER
) {
1215 case OVS_KEY_ATTR_TCP
:
1216 case OVS_KEY_ATTR_UDP
:
1217 case OVS_KEY_ATTR_ICMP
:
1218 case OVS_KEY_ATTR_ND
:
1219 if (flow
->frag
& FLOW_FRAG_LATER
) {
1224 case OVS_KEY_ATTR_ARP
:
1227 case __OVS_KEY_ATTR_MAX
: