2 * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <arpa/inet.h>
23 #include <netinet/in.h>
24 #include <netinet/icmp6.h>
27 #include "byte-order.h"
29 #include "dynamic-string.h"
39 VLOG_DEFINE_THIS_MODULE(odp_util
);
41 /* The interface between userspace and kernel uses an "OVS_*" prefix.
42 * Since this is fairly non-specific for the OVS userspace components,
43 * "ODP_*" (Open vSwitch Datapath) is used as the prefix for
44 * interactions with the datapath.
47 /* The set of characters that may separate one action or one key attribute
49 static const char *delimiters
= ", \t\r\n";
51 static int parse_odp_key_mask_attr(const char *, const struct simap
*port_names
,
52 struct ofpbuf
*, struct ofpbuf
*);
53 static void format_odp_key_attr(const struct nlattr
*a
,
54 const struct nlattr
*ma
,
55 const struct hmap
*portno_names
, struct ds
*ds
,
58 /* Returns one the following for the action with the given OVS_ACTION_ATTR_*
61 * - For an action whose argument has a fixed length, returned that
62 * nonnegative length in bytes.
64 * - For an action with a variable-length argument, returns -2.
66 * - For an invalid 'type', returns -1. */
68 odp_action_len(uint16_t type
)
70 if (type
> OVS_ACTION_ATTR_MAX
) {
74 switch ((enum ovs_action_attr
) type
) {
75 case OVS_ACTION_ATTR_OUTPUT
: return sizeof(uint32_t);
76 case OVS_ACTION_ATTR_USERSPACE
: return -2;
77 case OVS_ACTION_ATTR_PUSH_VLAN
: return sizeof(struct ovs_action_push_vlan
);
78 case OVS_ACTION_ATTR_POP_VLAN
: return 0;
79 case OVS_ACTION_ATTR_PUSH_MPLS
: return sizeof(struct ovs_action_push_mpls
);
80 case OVS_ACTION_ATTR_POP_MPLS
: return sizeof(ovs_be16
);
81 case OVS_ACTION_ATTR_SET
: return -2;
82 case OVS_ACTION_ATTR_SAMPLE
: return -2;
84 case OVS_ACTION_ATTR_UNSPEC
:
85 case __OVS_ACTION_ATTR_MAX
:
92 /* Returns a string form of 'attr'. The return value is either a statically
93 * allocated constant string or the 'bufsize'-byte buffer 'namebuf'. 'bufsize'
94 * should be at least OVS_KEY_ATTR_BUFSIZE. */
95 enum { OVS_KEY_ATTR_BUFSIZE
= 3 + INT_STRLEN(unsigned int) + 1 };
97 ovs_key_attr_to_string(enum ovs_key_attr attr
, char *namebuf
, size_t bufsize
)
100 case OVS_KEY_ATTR_UNSPEC
: return "unspec";
101 case OVS_KEY_ATTR_ENCAP
: return "encap";
102 case OVS_KEY_ATTR_PRIORITY
: return "skb_priority";
103 case OVS_KEY_ATTR_SKB_MARK
: return "skb_mark";
104 case OVS_KEY_ATTR_TUNNEL
: return "tunnel";
105 case OVS_KEY_ATTR_IN_PORT
: return "in_port";
106 case OVS_KEY_ATTR_ETHERNET
: return "eth";
107 case OVS_KEY_ATTR_VLAN
: return "vlan";
108 case OVS_KEY_ATTR_ETHERTYPE
: return "eth_type";
109 case OVS_KEY_ATTR_IPV4
: return "ipv4";
110 case OVS_KEY_ATTR_IPV6
: return "ipv6";
111 case OVS_KEY_ATTR_TCP
: return "tcp";
112 case OVS_KEY_ATTR_UDP
: return "udp";
113 case OVS_KEY_ATTR_SCTP
: return "sctp";
114 case OVS_KEY_ATTR_ICMP
: return "icmp";
115 case OVS_KEY_ATTR_ICMPV6
: return "icmpv6";
116 case OVS_KEY_ATTR_ARP
: return "arp";
117 case OVS_KEY_ATTR_ND
: return "nd";
118 case OVS_KEY_ATTR_MPLS
: return "mpls";
120 case __OVS_KEY_ATTR_MAX
:
122 snprintf(namebuf
, bufsize
, "key%u", (unsigned int) attr
);
128 format_generic_odp_action(struct ds
*ds
, const struct nlattr
*a
)
130 size_t len
= nl_attr_get_size(a
);
132 ds_put_format(ds
, "action%"PRId16
, nl_attr_type(a
));
134 const uint8_t *unspec
;
137 unspec
= nl_attr_get(a
);
138 for (i
= 0; i
< len
; i
++) {
139 ds_put_char(ds
, i
? ' ': '(');
140 ds_put_format(ds
, "%02x", unspec
[i
]);
142 ds_put_char(ds
, ')');
147 format_odp_sample_action(struct ds
*ds
, const struct nlattr
*attr
)
149 static const struct nl_policy ovs_sample_policy
[] = {
150 { NL_A_NO_ATTR
, 0, 0, false }, /* OVS_SAMPLE_ATTR_UNSPEC */
151 { NL_A_U32
, 0, 0, false }, /* OVS_SAMPLE_ATTR_PROBABILITY */
152 { NL_A_NESTED
, 0, 0, false }, /* OVS_SAMPLE_ATTR_ACTIONS */
154 struct nlattr
*a
[ARRAY_SIZE(ovs_sample_policy
)];
156 const struct nlattr
*nla_acts
;
159 ds_put_cstr(ds
, "sample");
161 if (!nl_parse_nested(attr
, ovs_sample_policy
, a
, ARRAY_SIZE(a
))) {
162 ds_put_cstr(ds
, "(error)");
166 percentage
= (100.0 * nl_attr_get_u32(a
[OVS_SAMPLE_ATTR_PROBABILITY
])) /
169 ds_put_format(ds
, "(sample=%.1f%%,", percentage
);
171 ds_put_cstr(ds
, "actions(");
172 nla_acts
= nl_attr_get(a
[OVS_SAMPLE_ATTR_ACTIONS
]);
173 len
= nl_attr_get_size(a
[OVS_SAMPLE_ATTR_ACTIONS
]);
174 format_odp_actions(ds
, nla_acts
, len
);
175 ds_put_format(ds
, "))");
179 slow_path_reason_to_string(uint32_t reason
)
181 switch ((enum slow_path_reason
) reason
) {
182 #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING;
191 slow_path_reason_to_explanation(enum slow_path_reason reason
)
194 #define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION;
203 parse_flags(const char *s
, const char *(*bit_to_string
)(uint32_t),
214 while (s
[n
] != ')') {
215 unsigned long long int flags
;
219 if (sscanf(&s
[n
], "%lli%n", &flags
, &n0
) > 0 && n0
> 0) {
220 n
+= n0
+ (s
[n
+ n0
] == ',');
225 for (bit
= 1; bit
; bit
<<= 1) {
226 const char *name
= bit_to_string(bit
);
234 if (!strncmp(s
+ n
, name
, len
) &&
235 (s
[n
+ len
] == ',' || s
[n
+ len
] == ')')) {
237 n
+= len
+ (s
[n
+ len
] == ',');
253 format_odp_userspace_action(struct ds
*ds
, const struct nlattr
*attr
)
255 static const struct nl_policy ovs_userspace_policy
[] = {
256 { NL_A_NO_ATTR
, 0, 0, false }, /* OVS_USERSPACE_ATTR_UNSPEC */
257 { NL_A_U32
, 0, 0, false }, /* OVS_USERSPACE_ATTR_PID */
258 { NL_A_UNSPEC
, 0, 0, true }, /* OVS_USERSPACE_ATTR_USERDATA */
260 struct nlattr
*a
[ARRAY_SIZE(ovs_userspace_policy
)];
261 const struct nlattr
*userdata_attr
;
263 if (!nl_parse_nested(attr
, ovs_userspace_policy
, a
, ARRAY_SIZE(a
))) {
264 ds_put_cstr(ds
, "userspace(error)");
268 ds_put_format(ds
, "userspace(pid=%"PRIu32
,
269 nl_attr_get_u32(a
[OVS_USERSPACE_ATTR_PID
]));
271 userdata_attr
= a
[OVS_USERSPACE_ATTR_USERDATA
];
274 const uint8_t *userdata
= nl_attr_get(userdata_attr
);
275 size_t userdata_len
= nl_attr_get_size(userdata_attr
);
276 bool userdata_unspec
= true;
277 union user_action_cookie cookie
;
279 if (userdata_len
>= sizeof cookie
.type
280 && userdata_len
<= sizeof cookie
) {
282 memset(&cookie
, 0, sizeof cookie
);
283 memcpy(&cookie
, userdata
, userdata_len
);
285 userdata_unspec
= false;
287 if (userdata_len
== sizeof cookie
.sflow
288 && cookie
.type
== USER_ACTION_COOKIE_SFLOW
) {
289 ds_put_format(ds
, ",sFlow("
290 "vid=%"PRIu16
",pcp=%"PRIu8
",output=%"PRIu32
")",
291 vlan_tci_to_vid(cookie
.sflow
.vlan_tci
),
292 vlan_tci_to_pcp(cookie
.sflow
.vlan_tci
),
293 cookie
.sflow
.output
);
294 } else if (userdata_len
== sizeof cookie
.slow_path
295 && cookie
.type
== USER_ACTION_COOKIE_SLOW_PATH
) {
296 ds_put_cstr(ds
, ",slow_path(");
297 format_flags(ds
, slow_path_reason_to_string
,
298 cookie
.slow_path
.reason
, ',');
299 ds_put_format(ds
, ")");
300 } else if (userdata_len
== sizeof cookie
.flow_sample
301 && cookie
.type
== USER_ACTION_COOKIE_FLOW_SAMPLE
) {
302 ds_put_format(ds
, ",flow_sample(probability=%"PRIu16
303 ",collector_set_id=%"PRIu32
304 ",obs_domain_id=%"PRIu32
305 ",obs_point_id=%"PRIu32
")",
306 cookie
.flow_sample
.probability
,
307 cookie
.flow_sample
.collector_set_id
,
308 cookie
.flow_sample
.obs_domain_id
,
309 cookie
.flow_sample
.obs_point_id
);
310 } else if (userdata_len
== sizeof cookie
.ipfix
311 && cookie
.type
== USER_ACTION_COOKIE_IPFIX
) {
312 ds_put_format(ds
, ",ipfix");
314 userdata_unspec
= true;
318 if (userdata_unspec
) {
320 ds_put_format(ds
, ",userdata(");
321 for (i
= 0; i
< userdata_len
; i
++) {
322 ds_put_format(ds
, "%02x", userdata
[i
]);
324 ds_put_char(ds
, ')');
328 ds_put_char(ds
, ')');
332 format_vlan_tci(struct ds
*ds
, ovs_be16 vlan_tci
)
334 ds_put_format(ds
, "vid=%"PRIu16
",pcp=%d",
335 vlan_tci_to_vid(vlan_tci
),
336 vlan_tci_to_pcp(vlan_tci
));
337 if (!(vlan_tci
& htons(VLAN_CFI
))) {
338 ds_put_cstr(ds
, ",cfi=0");
343 format_mpls_lse(struct ds
*ds
, ovs_be32 mpls_lse
)
345 ds_put_format(ds
, "label=%"PRIu32
",tc=%d,ttl=%d,bos=%d",
346 mpls_lse_to_label(mpls_lse
),
347 mpls_lse_to_tc(mpls_lse
),
348 mpls_lse_to_ttl(mpls_lse
),
349 mpls_lse_to_bos(mpls_lse
));
353 format_mpls(struct ds
*ds
, const struct ovs_key_mpls
*mpls_key
,
354 const struct ovs_key_mpls
*mpls_mask
)
356 ovs_be32 key
= mpls_key
->mpls_lse
;
358 if (mpls_mask
== NULL
) {
359 format_mpls_lse(ds
, key
);
361 ovs_be32 mask
= mpls_mask
->mpls_lse
;
363 ds_put_format(ds
, "label=%"PRIu32
"/0x%x,tc=%d/%x,ttl=%d/0x%x,bos=%d/%x",
364 mpls_lse_to_label(key
), mpls_lse_to_label(mask
),
365 mpls_lse_to_tc(key
), mpls_lse_to_tc(mask
),
366 mpls_lse_to_ttl(key
), mpls_lse_to_ttl(mask
),
367 mpls_lse_to_bos(key
), mpls_lse_to_bos(mask
));
372 format_odp_action(struct ds
*ds
, const struct nlattr
*a
)
375 enum ovs_action_attr type
= nl_attr_type(a
);
376 const struct ovs_action_push_vlan
*vlan
;
378 expected_len
= odp_action_len(nl_attr_type(a
));
379 if (expected_len
!= -2 && nl_attr_get_size(a
) != expected_len
) {
380 ds_put_format(ds
, "bad length %zu, expected %d for: ",
381 nl_attr_get_size(a
), expected_len
);
382 format_generic_odp_action(ds
, a
);
387 case OVS_ACTION_ATTR_OUTPUT
:
388 ds_put_format(ds
, "%"PRIu32
, nl_attr_get_u32(a
));
390 case OVS_ACTION_ATTR_USERSPACE
:
391 format_odp_userspace_action(ds
, a
);
393 case OVS_ACTION_ATTR_SET
:
394 ds_put_cstr(ds
, "set(");
395 format_odp_key_attr(nl_attr_get(a
), NULL
, NULL
, ds
, true);
396 ds_put_cstr(ds
, ")");
398 case OVS_ACTION_ATTR_PUSH_VLAN
:
399 vlan
= nl_attr_get(a
);
400 ds_put_cstr(ds
, "push_vlan(");
401 if (vlan
->vlan_tpid
!= htons(ETH_TYPE_VLAN
)) {
402 ds_put_format(ds
, "tpid=0x%04"PRIx16
",", ntohs(vlan
->vlan_tpid
));
404 format_vlan_tci(ds
, vlan
->vlan_tci
);
405 ds_put_char(ds
, ')');
407 case OVS_ACTION_ATTR_POP_VLAN
:
408 ds_put_cstr(ds
, "pop_vlan");
410 case OVS_ACTION_ATTR_PUSH_MPLS
: {
411 const struct ovs_action_push_mpls
*mpls
= nl_attr_get(a
);
412 ds_put_cstr(ds
, "push_mpls(");
413 format_mpls_lse(ds
, mpls
->mpls_lse
);
414 ds_put_format(ds
, ",eth_type=0x%"PRIx16
")", ntohs(mpls
->mpls_ethertype
));
417 case OVS_ACTION_ATTR_POP_MPLS
: {
418 ovs_be16 ethertype
= nl_attr_get_be16(a
);
419 ds_put_format(ds
, "pop_mpls(eth_type=0x%"PRIx16
")", ntohs(ethertype
));
422 case OVS_ACTION_ATTR_SAMPLE
:
423 format_odp_sample_action(ds
, a
);
425 case OVS_ACTION_ATTR_UNSPEC
:
426 case __OVS_ACTION_ATTR_MAX
:
428 format_generic_odp_action(ds
, a
);
434 format_odp_actions(struct ds
*ds
, const struct nlattr
*actions
,
438 const struct nlattr
*a
;
441 NL_ATTR_FOR_EACH (a
, left
, actions
, actions_len
) {
443 ds_put_char(ds
, ',');
445 format_odp_action(ds
, a
);
450 if (left
== actions_len
) {
451 ds_put_cstr(ds
, "<empty>");
453 ds_put_format(ds
, ",***%u leftover bytes*** (", left
);
454 for (i
= 0; i
< left
; i
++) {
455 ds_put_format(ds
, "%02x", ((const uint8_t *) a
)[i
]);
457 ds_put_char(ds
, ')');
460 ds_put_cstr(ds
, "drop");
465 parse_odp_action(const char *s
, const struct simap
*port_names
,
466 struct ofpbuf
*actions
)
468 /* Many of the sscanf calls in this function use oversized destination
469 * fields because some sscanf() implementations truncate the range of %i
470 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
471 * value of 0x7fff. The other alternatives are to allow only a single
472 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
475 * The tun_id parser has to use an alternative approach because there is no
476 * type larger than 64 bits. */
479 unsigned long long int port
;
482 if (sscanf(s
, "%lli%n", &port
, &n
) > 0 && n
> 0) {
483 nl_msg_put_u32(actions
, OVS_ACTION_ATTR_OUTPUT
, port
);
489 int len
= strcspn(s
, delimiters
);
490 struct simap_node
*node
;
492 node
= simap_find_len(port_names
, s
, len
);
494 nl_msg_put_u32(actions
, OVS_ACTION_ATTR_OUTPUT
, node
->data
);
500 unsigned long long int pid
;
501 unsigned long long int output
;
502 unsigned long long int probability
;
503 unsigned long long int collector_set_id
;
504 unsigned long long int obs_domain_id
;
505 unsigned long long int obs_point_id
;
509 if (sscanf(s
, "userspace(pid=%lli)%n", &pid
, &n
) > 0 && n
> 0) {
510 odp_put_userspace_action(pid
, NULL
, 0, actions
);
512 } else if (sscanf(s
, "userspace(pid=%lli,sFlow(vid=%i,"
513 "pcp=%i,output=%lli))%n",
514 &pid
, &vid
, &pcp
, &output
, &n
) > 0 && n
> 0) {
515 union user_action_cookie cookie
;
518 tci
= vid
| (pcp
<< VLAN_PCP_SHIFT
);
523 cookie
.type
= USER_ACTION_COOKIE_SFLOW
;
524 cookie
.sflow
.vlan_tci
= htons(tci
);
525 cookie
.sflow
.output
= output
;
526 odp_put_userspace_action(pid
, &cookie
, sizeof cookie
.sflow
,
529 } else if (sscanf(s
, "userspace(pid=%lli,slow_path%n", &pid
, &n
) > 0
531 union user_action_cookie cookie
;
534 cookie
.type
= USER_ACTION_COOKIE_SLOW_PATH
;
535 cookie
.slow_path
.unused
= 0;
536 cookie
.slow_path
.reason
= 0;
538 res
= parse_flags(&s
[n
], slow_path_reason_to_string
,
539 &cookie
.slow_path
.reason
);
549 odp_put_userspace_action(pid
, &cookie
, sizeof cookie
.slow_path
,
552 } else if (sscanf(s
, "userspace(pid=%lli,flow_sample(probability=%lli,"
553 "collector_set_id=%lli,obs_domain_id=%lli,"
554 "obs_point_id=%lli))%n",
555 &pid
, &probability
, &collector_set_id
,
556 &obs_domain_id
, &obs_point_id
, &n
) > 0 && n
> 0) {
557 union user_action_cookie cookie
;
559 cookie
.type
= USER_ACTION_COOKIE_FLOW_SAMPLE
;
560 cookie
.flow_sample
.probability
= probability
;
561 cookie
.flow_sample
.collector_set_id
= collector_set_id
;
562 cookie
.flow_sample
.obs_domain_id
= obs_domain_id
;
563 cookie
.flow_sample
.obs_point_id
= obs_point_id
;
564 odp_put_userspace_action(pid
, &cookie
, sizeof cookie
.flow_sample
,
567 } else if (sscanf(s
, "userspace(pid=%lli,ipfix)%n", &pid
, &n
) > 0
569 union user_action_cookie cookie
;
571 cookie
.type
= USER_ACTION_COOKIE_IPFIX
;
572 odp_put_userspace_action(pid
, &cookie
, sizeof cookie
.ipfix
,
575 } else if (sscanf(s
, "userspace(pid=%lli,userdata(%n", &pid
, &n
) > 0
580 ofpbuf_init(&buf
, 16);
581 end
= ofpbuf_put_hex(&buf
, &s
[n
], NULL
);
582 if (end
[0] == ')' && end
[1] == ')') {
583 odp_put_userspace_action(pid
, buf
.data
, buf
.size
, actions
);
585 return (end
+ 2) - s
;
590 if (!strncmp(s
, "set(", 4)) {
594 start_ofs
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SET
);
595 retval
= parse_odp_key_mask_attr(s
+ 4, port_names
, actions
, NULL
);
599 if (s
[retval
+ 4] != ')') {
602 nl_msg_end_nested(actions
, start_ofs
);
607 struct ovs_action_push_vlan push
;
608 int tpid
= ETH_TYPE_VLAN
;
613 if ((sscanf(s
, "push_vlan(vid=%i,pcp=%i)%n", &vid
, &pcp
, &n
) > 0
615 || (sscanf(s
, "push_vlan(vid=%i,pcp=%i,cfi=%i)%n",
616 &vid
, &pcp
, &cfi
, &n
) > 0 && n
> 0)
617 || (sscanf(s
, "push_vlan(tpid=%i,vid=%i,pcp=%i)%n",
618 &tpid
, &vid
, &pcp
, &n
) > 0 && n
> 0)
619 || (sscanf(s
, "push_vlan(tpid=%i,vid=%i,pcp=%i,cfi=%i)%n",
620 &tpid
, &vid
, &pcp
, &cfi
, &n
) > 0 && n
> 0)) {
621 push
.vlan_tpid
= htons(tpid
);
622 push
.vlan_tci
= htons((vid
<< VLAN_VID_SHIFT
)
623 | (pcp
<< VLAN_PCP_SHIFT
)
624 | (cfi
? VLAN_CFI
: 0));
625 nl_msg_put_unspec(actions
, OVS_ACTION_ATTR_PUSH_VLAN
,
632 if (!strncmp(s
, "pop_vlan", 8)) {
633 nl_msg_put_flag(actions
, OVS_ACTION_ATTR_POP_VLAN
);
641 if (sscanf(s
, "sample(sample=%lf%%,actions(%n", &percentage
, &n
) > 0
642 && percentage
>= 0. && percentage
<= 100.0
644 size_t sample_ofs
, actions_ofs
;
647 probability
= floor(UINT32_MAX
* (percentage
/ 100.0) + .5);
648 sample_ofs
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SAMPLE
);
649 nl_msg_put_u32(actions
, OVS_SAMPLE_ATTR_PROBABILITY
,
650 (probability
<= 0 ? 0
651 : probability
>= UINT32_MAX
? UINT32_MAX
654 actions_ofs
= nl_msg_start_nested(actions
,
655 OVS_SAMPLE_ATTR_ACTIONS
);
659 n
+= strspn(s
+ n
, delimiters
);
664 retval
= parse_odp_action(s
+ n
, port_names
, actions
);
670 nl_msg_end_nested(actions
, actions_ofs
);
671 nl_msg_end_nested(actions
, sample_ofs
);
673 return s
[n
+ 1] == ')' ? n
+ 2 : -EINVAL
;
680 /* Parses the string representation of datapath actions, in the format output
681 * by format_odp_action(). Returns 0 if successful, otherwise a positive errno
682 * value. On success, the ODP actions are appended to 'actions' as a series of
683 * Netlink attributes. On failure, no data is appended to 'actions'. Either
684 * way, 'actions''s data might be reallocated. */
686 odp_actions_from_string(const char *s
, const struct simap
*port_names
,
687 struct ofpbuf
*actions
)
691 if (!strcasecmp(s
, "drop")) {
695 old_size
= actions
->size
;
699 s
+= strspn(s
, delimiters
);
704 retval
= parse_odp_action(s
, port_names
, actions
);
705 if (retval
< 0 || !strchr(delimiters
, s
[retval
])) {
706 actions
->size
= old_size
;
715 /* Returns the correct length of the payload for a flow key attribute of the
716 * specified 'type', -1 if 'type' is unknown, or -2 if the attribute's payload
717 * is variable length. */
719 odp_flow_key_attr_len(uint16_t type
)
721 if (type
> OVS_KEY_ATTR_MAX
) {
725 switch ((enum ovs_key_attr
) type
) {
726 case OVS_KEY_ATTR_ENCAP
: return -2;
727 case OVS_KEY_ATTR_PRIORITY
: return 4;
728 case OVS_KEY_ATTR_SKB_MARK
: return 4;
729 case OVS_KEY_ATTR_TUNNEL
: return -2;
730 case OVS_KEY_ATTR_IN_PORT
: return 4;
731 case OVS_KEY_ATTR_ETHERNET
: return sizeof(struct ovs_key_ethernet
);
732 case OVS_KEY_ATTR_VLAN
: return sizeof(ovs_be16
);
733 case OVS_KEY_ATTR_ETHERTYPE
: return 2;
734 case OVS_KEY_ATTR_MPLS
: return sizeof(struct ovs_key_mpls
);
735 case OVS_KEY_ATTR_IPV4
: return sizeof(struct ovs_key_ipv4
);
736 case OVS_KEY_ATTR_IPV6
: return sizeof(struct ovs_key_ipv6
);
737 case OVS_KEY_ATTR_TCP
: return sizeof(struct ovs_key_tcp
);
738 case OVS_KEY_ATTR_UDP
: return sizeof(struct ovs_key_udp
);
739 case OVS_KEY_ATTR_SCTP
: return sizeof(struct ovs_key_sctp
);
740 case OVS_KEY_ATTR_ICMP
: return sizeof(struct ovs_key_icmp
);
741 case OVS_KEY_ATTR_ICMPV6
: return sizeof(struct ovs_key_icmpv6
);
742 case OVS_KEY_ATTR_ARP
: return sizeof(struct ovs_key_arp
);
743 case OVS_KEY_ATTR_ND
: return sizeof(struct ovs_key_nd
);
745 case OVS_KEY_ATTR_UNSPEC
:
746 case __OVS_KEY_ATTR_MAX
:
754 format_generic_odp_key(const struct nlattr
*a
, struct ds
*ds
)
756 size_t len
= nl_attr_get_size(a
);
758 const uint8_t *unspec
;
761 unspec
= nl_attr_get(a
);
762 for (i
= 0; i
< len
; i
++) {
764 ds_put_char(ds
, ' ');
766 ds_put_format(ds
, "%02x", unspec
[i
]);
772 ovs_frag_type_to_string(enum ovs_frag_type type
)
775 case OVS_FRAG_TYPE_NONE
:
777 case OVS_FRAG_TYPE_FIRST
:
779 case OVS_FRAG_TYPE_LATER
:
781 case __OVS_FRAG_TYPE_MAX
:
788 tunnel_key_attr_len(int type
)
791 case OVS_TUNNEL_KEY_ATTR_ID
: return 8;
792 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC
: return 4;
793 case OVS_TUNNEL_KEY_ATTR_IPV4_DST
: return 4;
794 case OVS_TUNNEL_KEY_ATTR_TOS
: return 1;
795 case OVS_TUNNEL_KEY_ATTR_TTL
: return 1;
796 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT
: return 0;
797 case OVS_TUNNEL_KEY_ATTR_CSUM
: return 0;
798 case __OVS_TUNNEL_KEY_ATTR_MAX
:
805 odp_tun_key_from_attr(const struct nlattr
*attr
, struct flow_tnl
*tun
)
808 const struct nlattr
*a
;
810 bool unknown
= false;
812 NL_NESTED_FOR_EACH(a
, left
, attr
) {
813 uint16_t type
= nl_attr_type(a
);
814 size_t len
= nl_attr_get_size(a
);
815 int expected_len
= tunnel_key_attr_len(type
);
817 if (len
!= expected_len
&& expected_len
>= 0) {
818 return ODP_FIT_ERROR
;
822 case OVS_TUNNEL_KEY_ATTR_ID
:
823 tun
->tun_id
= nl_attr_get_be64(a
);
824 tun
->flags
|= FLOW_TNL_F_KEY
;
826 case OVS_TUNNEL_KEY_ATTR_IPV4_SRC
:
827 tun
->ip_src
= nl_attr_get_be32(a
);
829 case OVS_TUNNEL_KEY_ATTR_IPV4_DST
:
830 tun
->ip_dst
= nl_attr_get_be32(a
);
832 case OVS_TUNNEL_KEY_ATTR_TOS
:
833 tun
->ip_tos
= nl_attr_get_u8(a
);
835 case OVS_TUNNEL_KEY_ATTR_TTL
:
836 tun
->ip_ttl
= nl_attr_get_u8(a
);
839 case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT
:
840 tun
->flags
|= FLOW_TNL_F_DONT_FRAGMENT
;
842 case OVS_TUNNEL_KEY_ATTR_CSUM
:
843 tun
->flags
|= FLOW_TNL_F_CSUM
;
846 /* Allow this to show up as unexpected, if there are unknown
847 * tunnel attribute, eventually resulting in ODP_FIT_TOO_MUCH. */
854 return ODP_FIT_ERROR
;
857 return ODP_FIT_TOO_MUCH
;
859 return ODP_FIT_PERFECT
;
863 tun_key_to_attr(struct ofpbuf
*a
, const struct flow_tnl
*tun_key
)
867 tun_key_ofs
= nl_msg_start_nested(a
, OVS_KEY_ATTR_TUNNEL
);
869 if (tun_key
->flags
& FLOW_TNL_F_KEY
) {
870 nl_msg_put_be64(a
, OVS_TUNNEL_KEY_ATTR_ID
, tun_key
->tun_id
);
872 if (tun_key
->ip_src
) {
873 nl_msg_put_be32(a
, OVS_TUNNEL_KEY_ATTR_IPV4_SRC
, tun_key
->ip_src
);
875 if (tun_key
->ip_dst
) {
876 nl_msg_put_be32(a
, OVS_TUNNEL_KEY_ATTR_IPV4_DST
, tun_key
->ip_dst
);
878 if (tun_key
->ip_tos
) {
879 nl_msg_put_u8(a
, OVS_TUNNEL_KEY_ATTR_TOS
, tun_key
->ip_tos
);
881 nl_msg_put_u8(a
, OVS_TUNNEL_KEY_ATTR_TTL
, tun_key
->ip_ttl
);
882 if (tun_key
->flags
& FLOW_TNL_F_DONT_FRAGMENT
) {
883 nl_msg_put_flag(a
, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT
);
885 if (tun_key
->flags
& FLOW_TNL_F_CSUM
) {
886 nl_msg_put_flag(a
, OVS_TUNNEL_KEY_ATTR_CSUM
);
889 nl_msg_end_nested(a
, tun_key_ofs
);
893 odp_mask_attr_is_wildcard(const struct nlattr
*ma
)
895 return is_all_zeros(nl_attr_get(ma
), nl_attr_get_size(ma
));
899 odp_mask_attr_is_exact(const struct nlattr
*ma
)
901 bool is_exact
= false;
902 enum ovs_key_attr attr
= nl_attr_type(ma
);
904 if (attr
== OVS_KEY_ATTR_TUNNEL
) {
905 /* XXX this is a hack for now. Should change
906 * the exact match dection to per field
907 * instead of per attribute.
909 struct flow_tnl tun_mask
;
910 memset(&tun_mask
, 0, sizeof tun_mask
);
911 odp_tun_key_from_attr(ma
, &tun_mask
);
912 if (tun_mask
.flags
== (FLOW_TNL_F_KEY
913 | FLOW_TNL_F_DONT_FRAGMENT
914 | FLOW_TNL_F_CSUM
)) {
915 /* The flags are exact match, check the remaining fields. */
916 tun_mask
.flags
= 0xffff;
917 is_exact
= is_all_ones((uint8_t *)&tun_mask
,
918 offsetof(struct flow_tnl
, ip_ttl
));
921 is_exact
= is_all_ones(nl_attr_get(ma
), nl_attr_get_size(ma
));
928 odp_portno_names_set(struct hmap
*portno_names
, odp_port_t port_no
,
931 struct odp_portno_names
*odp_portno_names
;
933 odp_portno_names
= xmalloc(sizeof *odp_portno_names
);
934 odp_portno_names
->port_no
= port_no
;
935 odp_portno_names
->name
= xstrdup(port_name
);
936 hmap_insert(portno_names
, &odp_portno_names
->hmap_node
,
937 hash_odp_port(port_no
));
941 odp_portno_names_get(const struct hmap
*portno_names
, odp_port_t port_no
)
943 struct odp_portno_names
*odp_portno_names
;
945 HMAP_FOR_EACH_IN_BUCKET (odp_portno_names
, hmap_node
,
946 hash_odp_port(port_no
), portno_names
) {
947 if (odp_portno_names
->port_no
== port_no
) {
948 return odp_portno_names
->name
;
955 odp_portno_names_destroy(struct hmap
*portno_names
)
957 struct odp_portno_names
*odp_portno_names
, *odp_portno_names_next
;
958 HMAP_FOR_EACH_SAFE (odp_portno_names
, odp_portno_names_next
,
959 hmap_node
, portno_names
) {
960 hmap_remove(portno_names
, &odp_portno_names
->hmap_node
);
961 free(odp_portno_names
->name
);
962 free(odp_portno_names
);
967 format_odp_key_attr(const struct nlattr
*a
, const struct nlattr
*ma
,
968 const struct hmap
*portno_names
, struct ds
*ds
,
971 struct flow_tnl tun_key
;
972 enum ovs_key_attr attr
= nl_attr_type(a
);
973 char namebuf
[OVS_KEY_ATTR_BUFSIZE
];
977 is_exact
= ma
? odp_mask_attr_is_exact(ma
) : true;
979 ds_put_cstr(ds
, ovs_key_attr_to_string(attr
, namebuf
, sizeof namebuf
));
982 expected_len
= odp_flow_key_attr_len(nl_attr_type(a
));
983 if (expected_len
!= -2) {
984 bool bad_key_len
= nl_attr_get_size(a
) != expected_len
;
985 bool bad_mask_len
= ma
&& nl_attr_get_size(a
) != expected_len
;
987 if (bad_key_len
|| bad_mask_len
) {
989 ds_put_format(ds
, "(bad key length %zu, expected %d)(",
991 odp_flow_key_attr_len(nl_attr_type(a
)));
993 format_generic_odp_key(a
, ds
);
995 ds_put_char(ds
, '/');
996 ds_put_format(ds
, "(bad mask length %zu, expected %d)(",
997 nl_attr_get_size(ma
),
998 odp_flow_key_attr_len(nl_attr_type(ma
)));
1000 format_generic_odp_key(ma
, ds
);
1001 ds_put_char(ds
, ')');
1007 ds_put_char(ds
, '(');
1009 case OVS_KEY_ATTR_ENCAP
:
1010 if (ma
&& nl_attr_get_size(ma
) && nl_attr_get_size(a
)) {
1011 odp_flow_format(nl_attr_get(a
), nl_attr_get_size(a
),
1012 nl_attr_get(ma
), nl_attr_get_size(ma
), NULL
, ds
,
1014 } else if (nl_attr_get_size(a
)) {
1015 odp_flow_format(nl_attr_get(a
), nl_attr_get_size(a
), NULL
, 0, NULL
,
1020 case OVS_KEY_ATTR_PRIORITY
:
1021 case OVS_KEY_ATTR_SKB_MARK
:
1022 ds_put_format(ds
, "%#"PRIx32
, nl_attr_get_u32(a
));
1024 ds_put_format(ds
, "/%#"PRIx32
, nl_attr_get_u32(ma
));
1028 case OVS_KEY_ATTR_TUNNEL
:
1029 memset(&tun_key
, 0, sizeof tun_key
);
1030 if (odp_tun_key_from_attr(a
, &tun_key
) == ODP_FIT_ERROR
) {
1031 ds_put_format(ds
, "error");
1032 } else if (!is_exact
) {
1033 struct flow_tnl tun_mask
;
1035 memset(&tun_mask
, 0, sizeof tun_mask
);
1036 odp_tun_key_from_attr(ma
, &tun_mask
);
1037 ds_put_format(ds
, "tun_id=%#"PRIx64
"/%#"PRIx64
1038 ",src="IP_FMT
"/"IP_FMT
",dst="IP_FMT
"/"IP_FMT
1039 ",tos=%#"PRIx8
"/%#"PRIx8
",ttl=%"PRIu8
"/%#"PRIx8
1041 ntohll(tun_key
.tun_id
), ntohll(tun_mask
.tun_id
),
1042 IP_ARGS(tun_key
.ip_src
), IP_ARGS(tun_mask
.ip_src
),
1043 IP_ARGS(tun_key
.ip_dst
), IP_ARGS(tun_mask
.ip_dst
),
1044 tun_key
.ip_tos
, tun_mask
.ip_tos
,
1045 tun_key
.ip_ttl
, tun_mask
.ip_ttl
);
1047 format_flags(ds
, flow_tun_flag_to_string
, tun_key
.flags
, ',');
1049 /* XXX This code is correct, but enabling it would break the unit
1050 test. Disable it for now until the input parser is fixed.
1052 ds_put_char(ds, '/');
1053 format_flags(ds, flow_tun_flag_to_string, tun_mask.flags, ',');
1055 ds_put_char(ds
, ')');
1057 ds_put_format(ds
, "tun_id=0x%"PRIx64
",src="IP_FMT
",dst="IP_FMT
","
1058 "tos=0x%"PRIx8
",ttl=%"PRIu8
",flags(",
1059 ntohll(tun_key
.tun_id
),
1060 IP_ARGS(tun_key
.ip_src
),
1061 IP_ARGS(tun_key
.ip_dst
),
1062 tun_key
.ip_tos
, tun_key
.ip_ttl
);
1064 format_flags(ds
, flow_tun_flag_to_string
, tun_key
.flags
, ',');
1065 ds_put_char(ds
, ')');
1069 case OVS_KEY_ATTR_IN_PORT
:
1070 if (portno_names
&& verbose
&& is_exact
) {
1071 char *name
= odp_portno_names_get(portno_names
,
1072 u32_to_odp(nl_attr_get_u32(a
)));
1074 ds_put_format(ds
, "%s", name
);
1076 ds_put_format(ds
, "%"PRIu32
, nl_attr_get_u32(a
));
1079 ds_put_format(ds
, "%"PRIu32
, nl_attr_get_u32(a
));
1081 ds_put_format(ds
, "/%#"PRIx32
, nl_attr_get_u32(ma
));
1086 case OVS_KEY_ATTR_ETHERNET
:
1088 const struct ovs_key_ethernet
*eth_mask
= nl_attr_get(ma
);
1089 const struct ovs_key_ethernet
*eth_key
= nl_attr_get(a
);
1091 ds_put_format(ds
, "src="ETH_ADDR_FMT
"/"ETH_ADDR_FMT
1092 ",dst="ETH_ADDR_FMT
"/"ETH_ADDR_FMT
,
1093 ETH_ADDR_ARGS(eth_key
->eth_src
),
1094 ETH_ADDR_ARGS(eth_mask
->eth_src
),
1095 ETH_ADDR_ARGS(eth_key
->eth_dst
),
1096 ETH_ADDR_ARGS(eth_mask
->eth_dst
));
1098 const struct ovs_key_ethernet
*eth_key
= nl_attr_get(a
);
1100 ds_put_format(ds
, "src="ETH_ADDR_FMT
",dst="ETH_ADDR_FMT
,
1101 ETH_ADDR_ARGS(eth_key
->eth_src
),
1102 ETH_ADDR_ARGS(eth_key
->eth_dst
));
1106 case OVS_KEY_ATTR_VLAN
:
1108 ovs_be16 vlan_tci
= nl_attr_get_be16(a
);
1110 ovs_be16 mask
= nl_attr_get_be16(ma
);
1111 ds_put_format(ds
, "vid=%"PRIu16
"/0x%"PRIx16
",pcp=%d/0x%x,cfi=%d/%d",
1112 vlan_tci_to_vid(vlan_tci
),
1113 vlan_tci_to_vid(mask
),
1114 vlan_tci_to_pcp(vlan_tci
),
1115 vlan_tci_to_pcp(mask
),
1116 vlan_tci_to_cfi(vlan_tci
),
1117 vlan_tci_to_cfi(mask
));
1119 format_vlan_tci(ds
, vlan_tci
);
1124 case OVS_KEY_ATTR_MPLS
: {
1125 const struct ovs_key_mpls
*mpls_key
= nl_attr_get(a
);
1126 const struct ovs_key_mpls
*mpls_mask
= NULL
;
1128 mpls_mask
= nl_attr_get(ma
);
1130 format_mpls(ds
, mpls_key
, mpls_mask
);
1134 case OVS_KEY_ATTR_ETHERTYPE
:
1135 ds_put_format(ds
, "0x%04"PRIx16
, ntohs(nl_attr_get_be16(a
)));
1137 ds_put_format(ds
, "/0x%04"PRIx16
, ntohs(nl_attr_get_be16(ma
)));
1141 case OVS_KEY_ATTR_IPV4
:
1143 const struct ovs_key_ipv4
*ipv4_key
= nl_attr_get(a
);
1144 const struct ovs_key_ipv4
*ipv4_mask
= nl_attr_get(ma
);
1146 ds_put_format(ds
, "src="IP_FMT
"/"IP_FMT
",dst="IP_FMT
"/"IP_FMT
1147 ",proto=%"PRIu8
"/%#"PRIx8
",tos=%#"PRIx8
"/%#"PRIx8
1148 ",ttl=%"PRIu8
"/%#"PRIx8
",frag=%s/%#"PRIx8
,
1149 IP_ARGS(ipv4_key
->ipv4_src
),
1150 IP_ARGS(ipv4_mask
->ipv4_src
),
1151 IP_ARGS(ipv4_key
->ipv4_dst
),
1152 IP_ARGS(ipv4_mask
->ipv4_dst
),
1153 ipv4_key
->ipv4_proto
, ipv4_mask
->ipv4_proto
,
1154 ipv4_key
->ipv4_tos
, ipv4_mask
->ipv4_tos
,
1155 ipv4_key
->ipv4_ttl
, ipv4_mask
->ipv4_ttl
,
1156 ovs_frag_type_to_string(ipv4_key
->ipv4_frag
),
1157 ipv4_mask
->ipv4_frag
);
1159 const struct ovs_key_ipv4
*ipv4_key
= nl_attr_get(a
);
1161 ds_put_format(ds
, "src="IP_FMT
",dst="IP_FMT
",proto=%"PRIu8
1162 ",tos=%#"PRIx8
",ttl=%"PRIu8
",frag=%s",
1163 IP_ARGS(ipv4_key
->ipv4_src
),
1164 IP_ARGS(ipv4_key
->ipv4_dst
),
1165 ipv4_key
->ipv4_proto
, ipv4_key
->ipv4_tos
,
1167 ovs_frag_type_to_string(ipv4_key
->ipv4_frag
));
1171 case OVS_KEY_ATTR_IPV6
:
1173 const struct ovs_key_ipv6
*ipv6_key
, *ipv6_mask
;
1174 char src_str
[INET6_ADDRSTRLEN
];
1175 char dst_str
[INET6_ADDRSTRLEN
];
1176 char src_mask
[INET6_ADDRSTRLEN
];
1177 char dst_mask
[INET6_ADDRSTRLEN
];
1179 ipv6_key
= nl_attr_get(a
);
1180 inet_ntop(AF_INET6
, ipv6_key
->ipv6_src
, src_str
, sizeof src_str
);
1181 inet_ntop(AF_INET6
, ipv6_key
->ipv6_dst
, dst_str
, sizeof dst_str
);
1183 ipv6_mask
= nl_attr_get(ma
);
1184 inet_ntop(AF_INET6
, ipv6_mask
->ipv6_src
, src_mask
, sizeof src_mask
);
1185 inet_ntop(AF_INET6
, ipv6_mask
->ipv6_dst
, dst_mask
, sizeof dst_mask
);
1187 ds_put_format(ds
, "src=%s/%s,dst=%s/%s,label=%#"PRIx32
"/%#"PRIx32
1188 ",proto=%"PRIu8
"/%#"PRIx8
",tclass=%#"PRIx8
"/%#"PRIx8
1189 ",hlimit=%"PRIu8
"/%#"PRIx8
",frag=%s/%#"PRIx8
,
1190 src_str
, src_mask
, dst_str
, dst_mask
,
1191 ntohl(ipv6_key
->ipv6_label
),
1192 ntohl(ipv6_mask
->ipv6_label
),
1193 ipv6_key
->ipv6_proto
, ipv6_mask
->ipv6_proto
,
1194 ipv6_key
->ipv6_tclass
, ipv6_mask
->ipv6_tclass
,
1195 ipv6_key
->ipv6_hlimit
, ipv6_mask
->ipv6_hlimit
,
1196 ovs_frag_type_to_string(ipv6_key
->ipv6_frag
),
1197 ipv6_mask
->ipv6_frag
);
1199 const struct ovs_key_ipv6
*ipv6_key
;
1200 char src_str
[INET6_ADDRSTRLEN
];
1201 char dst_str
[INET6_ADDRSTRLEN
];
1203 ipv6_key
= nl_attr_get(a
);
1204 inet_ntop(AF_INET6
, ipv6_key
->ipv6_src
, src_str
, sizeof src_str
);
1205 inet_ntop(AF_INET6
, ipv6_key
->ipv6_dst
, dst_str
, sizeof dst_str
);
1207 ds_put_format(ds
, "src=%s,dst=%s,label=%#"PRIx32
",proto=%"PRIu8
1208 ",tclass=%#"PRIx8
",hlimit=%"PRIu8
",frag=%s",
1209 src_str
, dst_str
, ntohl(ipv6_key
->ipv6_label
),
1210 ipv6_key
->ipv6_proto
, ipv6_key
->ipv6_tclass
,
1211 ipv6_key
->ipv6_hlimit
,
1212 ovs_frag_type_to_string(ipv6_key
->ipv6_frag
));
1216 case OVS_KEY_ATTR_TCP
:
1218 const struct ovs_key_tcp
*tcp_mask
= nl_attr_get(ma
);
1219 const struct ovs_key_tcp
*tcp_key
= nl_attr_get(a
);
1221 ds_put_format(ds
, "src=%"PRIu16
"/%#"PRIx16
1222 ",dst=%"PRIu16
"/%#"PRIx16
,
1223 ntohs(tcp_key
->tcp_src
), ntohs(tcp_mask
->tcp_src
),
1224 ntohs(tcp_key
->tcp_dst
), ntohs(tcp_mask
->tcp_dst
));
1226 const struct ovs_key_tcp
*tcp_key
= nl_attr_get(a
);
1228 ds_put_format(ds
, "src=%"PRIu16
",dst=%"PRIu16
,
1229 ntohs(tcp_key
->tcp_src
), ntohs(tcp_key
->tcp_dst
));
1233 case OVS_KEY_ATTR_UDP
:
1235 const struct ovs_key_udp
*udp_mask
= nl_attr_get(ma
);
1236 const struct ovs_key_udp
*udp_key
= nl_attr_get(a
);
1238 ds_put_format(ds
, "src=%"PRIu16
"/%#"PRIx16
1239 ",dst=%"PRIu16
"/%#"PRIx16
,
1240 ntohs(udp_key
->udp_src
), ntohs(udp_mask
->udp_src
),
1241 ntohs(udp_key
->udp_dst
), ntohs(udp_mask
->udp_dst
));
1243 const struct ovs_key_udp
*udp_key
= nl_attr_get(a
);
1245 ds_put_format(ds
, "src=%"PRIu16
",dst=%"PRIu16
,
1246 ntohs(udp_key
->udp_src
), ntohs(udp_key
->udp_dst
));
1250 case OVS_KEY_ATTR_SCTP
:
1252 const struct ovs_key_sctp
*sctp_mask
= nl_attr_get(ma
);
1253 const struct ovs_key_sctp
*sctp_key
= nl_attr_get(a
);
1255 ds_put_format(ds
, "src=%"PRIu16
"/%#"PRIx16
1256 ",dst=%"PRIu16
"/%#"PRIx16
,
1257 ntohs(sctp_key
->sctp_src
), ntohs(sctp_mask
->sctp_src
),
1258 ntohs(sctp_key
->sctp_dst
), ntohs(sctp_mask
->sctp_dst
));
1260 const struct ovs_key_sctp
*sctp_key
= nl_attr_get(a
);
1262 ds_put_format(ds
, "(src=%"PRIu16
",dst=%"PRIu16
")",
1263 ntohs(sctp_key
->sctp_src
), ntohs(sctp_key
->sctp_dst
));
1267 case OVS_KEY_ATTR_ICMP
:
1269 const struct ovs_key_icmp
*icmp_mask
= nl_attr_get(ma
);
1270 const struct ovs_key_icmp
*icmp_key
= nl_attr_get(a
);
1272 ds_put_format(ds
, "type=%"PRIu8
"/%#"PRIx8
",code=%"PRIu8
"/%#"PRIx8
,
1273 icmp_key
->icmp_type
, icmp_mask
->icmp_type
,
1274 icmp_key
->icmp_code
, icmp_mask
->icmp_code
);
1276 const struct ovs_key_icmp
*icmp_key
= nl_attr_get(a
);
1278 ds_put_format(ds
, "type=%"PRIu8
",code=%"PRIu8
,
1279 icmp_key
->icmp_type
, icmp_key
->icmp_code
);
1283 case OVS_KEY_ATTR_ICMPV6
:
1285 const struct ovs_key_icmpv6
*icmpv6_mask
= nl_attr_get(ma
);
1286 const struct ovs_key_icmpv6
*icmpv6_key
= nl_attr_get(a
);
1288 ds_put_format(ds
, "type=%"PRIu8
"/%#"PRIx8
",code=%"PRIu8
"/%#"PRIx8
,
1289 icmpv6_key
->icmpv6_type
, icmpv6_mask
->icmpv6_type
,
1290 icmpv6_key
->icmpv6_code
, icmpv6_mask
->icmpv6_code
);
1292 const struct ovs_key_icmpv6
*icmpv6_key
= nl_attr_get(a
);
1294 ds_put_format(ds
, "type=%"PRIu8
",code=%"PRIu8
,
1295 icmpv6_key
->icmpv6_type
, icmpv6_key
->icmpv6_code
);
1299 case OVS_KEY_ATTR_ARP
:
1301 const struct ovs_key_arp
*arp_mask
= nl_attr_get(ma
);
1302 const struct ovs_key_arp
*arp_key
= nl_attr_get(a
);
1304 ds_put_format(ds
, "sip="IP_FMT
"/"IP_FMT
",tip="IP_FMT
"/"IP_FMT
1305 ",op=%"PRIu16
"/%#"PRIx16
1306 ",sha="ETH_ADDR_FMT
"/"ETH_ADDR_FMT
1307 ",tha="ETH_ADDR_FMT
"/"ETH_ADDR_FMT
,
1308 IP_ARGS(arp_key
->arp_sip
),
1309 IP_ARGS(arp_mask
->arp_sip
),
1310 IP_ARGS(arp_key
->arp_tip
),
1311 IP_ARGS(arp_mask
->arp_tip
),
1312 ntohs(arp_key
->arp_op
), ntohs(arp_mask
->arp_op
),
1313 ETH_ADDR_ARGS(arp_key
->arp_sha
),
1314 ETH_ADDR_ARGS(arp_mask
->arp_sha
),
1315 ETH_ADDR_ARGS(arp_key
->arp_tha
),
1316 ETH_ADDR_ARGS(arp_mask
->arp_tha
));
1318 const struct ovs_key_arp
*arp_key
= nl_attr_get(a
);
1320 ds_put_format(ds
, "sip="IP_FMT
",tip="IP_FMT
",op=%"PRIu16
","
1321 "sha="ETH_ADDR_FMT
",tha="ETH_ADDR_FMT
,
1322 IP_ARGS(arp_key
->arp_sip
), IP_ARGS(arp_key
->arp_tip
),
1323 ntohs(arp_key
->arp_op
),
1324 ETH_ADDR_ARGS(arp_key
->arp_sha
),
1325 ETH_ADDR_ARGS(arp_key
->arp_tha
));
1329 case OVS_KEY_ATTR_ND
: {
1330 const struct ovs_key_nd
*nd_key
, *nd_mask
= NULL
;
1331 char target
[INET6_ADDRSTRLEN
];
1333 nd_key
= nl_attr_get(a
);
1335 nd_mask
= nl_attr_get(ma
);
1338 inet_ntop(AF_INET6
, nd_key
->nd_target
, target
, sizeof target
);
1339 ds_put_format(ds
, "target=%s", target
);
1341 inet_ntop(AF_INET6
, nd_mask
->nd_target
, target
, sizeof target
);
1342 ds_put_format(ds
, "/%s", target
);
1345 if (!eth_addr_is_zero(nd_key
->nd_sll
)) {
1346 ds_put_format(ds
, ",sll="ETH_ADDR_FMT
,
1347 ETH_ADDR_ARGS(nd_key
->nd_sll
));
1349 ds_put_format(ds
, "/"ETH_ADDR_FMT
,
1350 ETH_ADDR_ARGS(nd_mask
->nd_sll
));
1353 if (!eth_addr_is_zero(nd_key
->nd_tll
)) {
1354 ds_put_format(ds
, ",tll="ETH_ADDR_FMT
,
1355 ETH_ADDR_ARGS(nd_key
->nd_tll
));
1357 ds_put_format(ds
, "/"ETH_ADDR_FMT
,
1358 ETH_ADDR_ARGS(nd_mask
->nd_tll
));
1364 case OVS_KEY_ATTR_UNSPEC
:
1365 case __OVS_KEY_ATTR_MAX
:
1367 format_generic_odp_key(a
, ds
);
1369 ds_put_char(ds
, '/');
1370 format_generic_odp_key(ma
, ds
);
1374 ds_put_char(ds
, ')');
1377 static struct nlattr
*
1378 generate_all_wildcard_mask(struct ofpbuf
*ofp
, const struct nlattr
*key
)
1380 const struct nlattr
*a
;
1382 int type
= nl_attr_type(key
);
1383 int size
= nl_attr_get_size(key
);
1385 if (odp_flow_key_attr_len(type
) >=0) {
1386 memset(nl_msg_put_unspec_uninit(ofp
, type
, size
), 0, size
);
1390 nested_mask
= nl_msg_start_nested(ofp
, type
);
1391 NL_ATTR_FOR_EACH(a
, left
, key
, nl_attr_get_size(key
)) {
1392 generate_all_wildcard_mask(ofp
, nl_attr_get(a
));
1394 nl_msg_end_nested(ofp
, nested_mask
);
1400 /* Appends to 'ds' a string representation of the 'key_len' bytes of
1401 * OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the
1402 * 'mask_len' bytes of 'mask' which apply to 'key'. */
1404 odp_flow_format(const struct nlattr
*key
, size_t key_len
,
1405 const struct nlattr
*mask
, size_t mask_len
,
1406 const struct hmap
*portno_names
, struct ds
*ds
, bool verbose
)
1409 const struct nlattr
*a
;
1411 bool has_ethtype_key
= false;
1412 const struct nlattr
*ma
= NULL
;
1414 bool first_field
= true;
1416 ofpbuf_init(&ofp
, 100);
1417 NL_ATTR_FOR_EACH (a
, left
, key
, key_len
) {
1418 bool is_nested_attr
;
1419 bool is_wildcard
= false;
1420 int attr_type
= nl_attr_type(a
);
1422 if (attr_type
== OVS_KEY_ATTR_ETHERTYPE
) {
1423 has_ethtype_key
= true;
1426 is_nested_attr
= (odp_flow_key_attr_len(attr_type
) == -2);
1428 if (mask
&& mask_len
) {
1429 ma
= nl_attr_find__(mask
, mask_len
, nl_attr_type(a
));
1430 is_wildcard
= ma
? odp_mask_attr_is_wildcard(ma
) : true;
1433 if (verbose
|| !is_wildcard
|| is_nested_attr
) {
1434 if (is_wildcard
&& !ma
) {
1435 ma
= generate_all_wildcard_mask(&ofp
, a
);
1438 ds_put_char(ds
, ',');
1440 format_odp_key_attr(a
, ma
, portno_names
, ds
, verbose
);
1441 first_field
= false;
1445 ofpbuf_uninit(&ofp
);
1450 if (left
== key_len
) {
1451 ds_put_cstr(ds
, "<empty>");
1453 ds_put_format(ds
, ",***%u leftover bytes*** (", left
);
1454 for (i
= 0; i
< left
; i
++) {
1455 ds_put_format(ds
, "%02x", ((const uint8_t *) a
)[i
]);
1457 ds_put_char(ds
, ')');
1459 if (!has_ethtype_key
) {
1460 ma
= nl_attr_find__(mask
, mask_len
, OVS_KEY_ATTR_ETHERTYPE
);
1462 ds_put_format(ds
, ",eth_type(0/0x%04"PRIx16
")",
1463 ntohs(nl_attr_get_be16(ma
)));
1467 ds_put_cstr(ds
, "<empty>");
1471 /* Appends to 'ds' a string representation of the 'key_len' bytes of
1472 * OVS_KEY_ATTR_* attributes in 'key'. */
1474 odp_flow_key_format(const struct nlattr
*key
,
1475 size_t key_len
, struct ds
*ds
)
1477 odp_flow_format(key
, key_len
, NULL
, 0, NULL
, ds
, true);
1481 put_nd(struct ovs_key_nd
* nd_key
, const uint8_t *nd_sll
,
1482 const uint8_t *nd_tll
, struct ofpbuf
*key
)
1485 memcpy(nd_key
->nd_sll
, nd_sll
, ETH_ADDR_LEN
);
1489 memcpy(nd_key
->nd_tll
, nd_tll
, ETH_ADDR_LEN
);
1492 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ND
, nd_key
, sizeof *nd_key
);
1496 put_nd_key(int n
, const char *nd_target_s
, const uint8_t *nd_sll
,
1497 const uint8_t *nd_tll
, struct ofpbuf
*key
)
1499 struct ovs_key_nd nd_key
;
1501 memset(&nd_key
, 0, sizeof nd_key
);
1503 if (inet_pton(AF_INET6
, nd_target_s
, nd_key
.nd_target
) != 1) {
1507 put_nd(&nd_key
, nd_sll
, nd_tll
, key
);
1512 put_nd_mask(int n
, const char *nd_target_s
,
1513 const uint8_t *nd_sll
, const uint8_t *nd_tll
, struct ofpbuf
*mask
)
1515 struct ovs_key_nd nd_mask
;
1517 memset(&nd_mask
, 0xff, sizeof nd_mask
);
1519 if (strlen(nd_target_s
) != 0 &&
1520 inet_pton(AF_INET6
, nd_target_s
, nd_mask
.nd_target
) != 1) {
1524 put_nd(&nd_mask
, nd_sll
, nd_tll
, mask
);
1529 ovs_frag_type_from_string(const char *s
, enum ovs_frag_type
*type
)
1531 if (!strcasecmp(s
, "no")) {
1532 *type
= OVS_FRAG_TYPE_NONE
;
1533 } else if (!strcasecmp(s
, "first")) {
1534 *type
= OVS_FRAG_TYPE_FIRST
;
1535 } else if (!strcasecmp(s
, "later")) {
1536 *type
= OVS_FRAG_TYPE_LATER
;
1544 mpls_lse_from_components(int mpls_label
, int mpls_tc
, int mpls_ttl
, int mpls_bos
)
1546 return (htonl((mpls_label
<< MPLS_LABEL_SHIFT
) |
1547 (mpls_tc
<< MPLS_TC_SHIFT
) |
1548 (mpls_ttl
<< MPLS_TTL_SHIFT
) |
1549 (mpls_bos
<< MPLS_BOS_SHIFT
)));
1553 parse_odp_key_mask_attr(const char *s
, const struct simap
*port_names
,
1554 struct ofpbuf
*key
, struct ofpbuf
*mask
)
1556 /* Many of the sscanf calls in this function use oversized destination
1557 * fields because some sscanf() implementations truncate the range of %i
1558 * directives, so that e.g. "%"SCNi16 interprets input of "0xfedc" as a
1559 * value of 0x7fff. The other alternatives are to allow only a single
1560 * radix (e.g. decimal or hexadecimal) or to write more sophisticated
1563 * The tun_id parser has to use an alternative approach because there is no
1564 * type larger than 64 bits. */
1567 unsigned long long int priority
;
1568 unsigned long long int priority_mask
;
1571 if (mask
&& sscanf(s
, "skb_priority(%lli/%lli)%n", &priority
,
1572 &priority_mask
, &n
) > 0 && n
> 0) {
1573 nl_msg_put_u32(key
, OVS_KEY_ATTR_PRIORITY
, priority
);
1574 nl_msg_put_u32(mask
, OVS_KEY_ATTR_PRIORITY
, priority_mask
);
1576 } else if (sscanf(s
, "skb_priority(%lli)%n",
1577 &priority
, &n
) > 0 && n
> 0) {
1578 nl_msg_put_u32(key
, OVS_KEY_ATTR_PRIORITY
, priority
);
1580 nl_msg_put_u32(mask
, OVS_KEY_ATTR_PRIORITY
, UINT32_MAX
);
1587 unsigned long long int mark
;
1588 unsigned long long int mark_mask
;
1591 if (mask
&& sscanf(s
, "skb_mark(%lli/%lli)%n", &mark
,
1592 &mark_mask
, &n
) > 0 && n
> 0) {
1593 nl_msg_put_u32(key
, OVS_KEY_ATTR_SKB_MARK
, mark
);
1594 nl_msg_put_u32(mask
, OVS_KEY_ATTR_SKB_MARK
, mark_mask
);
1596 } else if (sscanf(s
, "skb_mark(%lli)%n", &mark
, &n
) > 0 && n
> 0) {
1597 nl_msg_put_u32(key
, OVS_KEY_ATTR_SKB_MARK
, mark
);
1599 nl_msg_put_u32(mask
, OVS_KEY_ATTR_SKB_MARK
, UINT32_MAX
);
1607 int tos
, tos_mask
, ttl
, ttl_mask
;
1608 struct flow_tnl tun_key
, tun_key_mask
;
1609 unsigned long long tun_id_mask
;
1612 if (mask
&& sscanf(s
, "tunnel(tun_id=%31[x0123456789abcdefABCDEF]/%llx,"
1613 "src="IP_SCAN_FMT
"/"IP_SCAN_FMT
",dst="IP_SCAN_FMT
1614 "/"IP_SCAN_FMT
",tos=%i/%i,ttl=%i/%i,flags%n",
1615 tun_id_s
, &tun_id_mask
,
1616 IP_SCAN_ARGS(&tun_key
.ip_src
),
1617 IP_SCAN_ARGS(&tun_key_mask
.ip_src
),
1618 IP_SCAN_ARGS(&tun_key
.ip_dst
),
1619 IP_SCAN_ARGS(&tun_key_mask
.ip_dst
),
1620 &tos
, &tos_mask
, &ttl
, &ttl_mask
,
1625 tun_key
.tun_id
= htonll(strtoull(tun_id_s
, NULL
, 0));
1626 tun_key_mask
.tun_id
= htonll(tun_id_mask
);
1627 tun_key
.ip_tos
= tos
;
1628 tun_key_mask
.ip_tos
= tos_mask
;
1629 tun_key
.ip_ttl
= ttl
;
1630 tun_key_mask
.ip_ttl
= ttl_mask
;
1631 res
= parse_flags(&s
[n
], flow_tun_flag_to_string
, &flags
);
1632 tun_key
.flags
= flags
;
1633 tun_key_mask
.flags
= UINT16_MAX
;
1643 tun_key_to_attr(key
, &tun_key
);
1645 tun_key_to_attr(mask
, &tun_key_mask
);
1648 } else if (sscanf(s
, "tunnel(tun_id=%31[x0123456789abcdefABCDEF],"
1649 "src="IP_SCAN_FMT
",dst="IP_SCAN_FMT
1650 ",tos=%i,ttl=%i,flags%n", tun_id_s
,
1651 IP_SCAN_ARGS(&tun_key
.ip_src
),
1652 IP_SCAN_ARGS(&tun_key
.ip_dst
), &tos
, &ttl
,
1657 tun_key
.tun_id
= htonll(strtoull(tun_id_s
, NULL
, 0));
1658 tun_key
.ip_tos
= tos
;
1659 tun_key
.ip_ttl
= ttl
;
1660 res
= parse_flags(&s
[n
], flow_tun_flag_to_string
, &flags
);
1661 tun_key
.flags
= flags
;
1671 tun_key_to_attr(key
, &tun_key
);
1674 memset(&tun_key
, 0xff, sizeof tun_key
);
1675 tun_key_to_attr(mask
, &tun_key
);
1682 unsigned long long int in_port
;
1683 unsigned long long int in_port_mask
;
1686 if (mask
&& sscanf(s
, "in_port(%lli/%lli)%n", &in_port
,
1687 &in_port_mask
, &n
) > 0 && n
> 0) {
1688 nl_msg_put_u32(key
, OVS_KEY_ATTR_IN_PORT
, in_port
);
1689 nl_msg_put_u32(mask
, OVS_KEY_ATTR_IN_PORT
, in_port_mask
);
1691 } else if (sscanf(s
, "in_port(%lli)%n", &in_port
, &n
) > 0 && n
> 0) {
1692 nl_msg_put_u32(key
, OVS_KEY_ATTR_IN_PORT
, in_port
);
1694 nl_msg_put_u32(mask
, OVS_KEY_ATTR_IN_PORT
, UINT32_MAX
);
1701 if (port_names
&& !strncmp(s
, "in_port(", 8)) {
1703 const struct simap_node
*node
;
1707 name_len
= strcspn(name
, ")");
1708 node
= simap_find_len(port_names
, name
, name_len
);
1710 nl_msg_put_u32(key
, OVS_KEY_ATTR_IN_PORT
, node
->data
);
1713 nl_msg_put_u32(mask
, OVS_KEY_ATTR_IN_PORT
, UINT32_MAX
);
1715 return 8 + name_len
+ 1;
1720 struct ovs_key_ethernet eth_key
;
1721 struct ovs_key_ethernet eth_key_mask
;
1724 if (mask
&& sscanf(s
,
1725 "eth(src="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
","
1726 "dst="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
")%n",
1727 ETH_ADDR_SCAN_ARGS(eth_key
.eth_src
),
1728 ETH_ADDR_SCAN_ARGS(eth_key_mask
.eth_src
),
1729 ETH_ADDR_SCAN_ARGS(eth_key
.eth_dst
),
1730 ETH_ADDR_SCAN_ARGS(eth_key_mask
.eth_dst
), &n
) > 0 && n
> 0) {
1732 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ETHERNET
,
1733 ð_key
, sizeof eth_key
);
1734 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ETHERNET
,
1735 ð_key_mask
, sizeof eth_key_mask
);
1737 } else if (sscanf(s
,
1738 "eth(src="ETH_ADDR_SCAN_FMT
",dst="ETH_ADDR_SCAN_FMT
")%n",
1739 ETH_ADDR_SCAN_ARGS(eth_key
.eth_src
),
1740 ETH_ADDR_SCAN_ARGS(eth_key
.eth_dst
), &n
) > 0 && n
> 0) {
1741 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ETHERNET
,
1742 ð_key
, sizeof eth_key
);
1745 memset(ð_key
, 0xff, sizeof eth_key
);
1746 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ETHERNET
,
1747 ð_key
, sizeof eth_key
);
1754 uint16_t vid
, vid_mask
;
1759 if (mask
&& (sscanf(s
, "vlan(vid=%"SCNi16
"/%"SCNi16
",pcp=%i/%i)%n",
1760 &vid
, &vid_mask
, &pcp
, &pcp_mask
, &n
) > 0 && n
> 0)) {
1761 nl_msg_put_be16(key
, OVS_KEY_ATTR_VLAN
,
1762 htons((vid
<< VLAN_VID_SHIFT
) |
1763 (pcp
<< VLAN_PCP_SHIFT
) |
1765 nl_msg_put_be16(mask
, OVS_KEY_ATTR_VLAN
,
1766 htons((vid_mask
<< VLAN_VID_SHIFT
) |
1767 (pcp_mask
<< VLAN_PCP_SHIFT
) |
1768 (1 << VLAN_CFI_SHIFT
)));
1770 } else if ((sscanf(s
, "vlan(vid=%"SCNi16
",pcp=%i)%n",
1771 &vid
, &pcp
, &n
) > 0 && n
> 0)) {
1772 nl_msg_put_be16(key
, OVS_KEY_ATTR_VLAN
,
1773 htons((vid
<< VLAN_VID_SHIFT
) |
1774 (pcp
<< VLAN_PCP_SHIFT
) |
1777 nl_msg_put_be16(mask
, OVS_KEY_ATTR_VLAN
, OVS_BE16_MAX
);
1780 } else if (mask
&& (sscanf(s
, "vlan(vid=%"SCNi16
"/%"SCNi16
",pcp=%i/%i,cfi=%i/%i)%n",
1781 &vid
, &vid_mask
, &pcp
, &pcp_mask
, &cfi
, &cfi_mask
, &n
) > 0 && n
> 0)) {
1782 nl_msg_put_be16(key
, OVS_KEY_ATTR_VLAN
,
1783 htons((vid
<< VLAN_VID_SHIFT
) |
1784 (pcp
<< VLAN_PCP_SHIFT
) |
1785 (cfi
? VLAN_CFI
: 0)));
1786 nl_msg_put_be16(mask
, OVS_KEY_ATTR_VLAN
,
1787 htons((vid_mask
<< VLAN_VID_SHIFT
) |
1788 (pcp_mask
<< VLAN_PCP_SHIFT
) |
1789 (cfi_mask
<< VLAN_CFI_SHIFT
)));
1791 } else if ((sscanf(s
, "vlan(vid=%"SCNi16
",pcp=%i,cfi=%i)%n",
1792 &vid
, &pcp
, &cfi
, &n
) > 0 && n
> 0)) {
1793 nl_msg_put_be16(key
, OVS_KEY_ATTR_VLAN
,
1794 htons((vid
<< VLAN_VID_SHIFT
) |
1795 (pcp
<< VLAN_PCP_SHIFT
) |
1796 (cfi
? VLAN_CFI
: 0)));
1798 nl_msg_put_be16(mask
, OVS_KEY_ATTR_VLAN
, OVS_BE16_MAX
);
1809 if (mask
&& sscanf(s
, "eth_type(%i/%i)%n",
1810 ð_type
, ð_type_mask
, &n
) > 0 && n
> 0) {
1811 if (eth_type
!= 0) {
1812 nl_msg_put_be16(key
, OVS_KEY_ATTR_ETHERTYPE
, htons(eth_type
));
1814 nl_msg_put_be16(mask
, OVS_KEY_ATTR_ETHERTYPE
, htons(eth_type_mask
));
1816 } else if (sscanf(s
, "eth_type(%i)%n", ð_type
, &n
) > 0 && n
> 0) {
1817 nl_msg_put_be16(key
, OVS_KEY_ATTR_ETHERTYPE
, htons(eth_type
));
1819 nl_msg_put_be16(mask
, OVS_KEY_ATTR_ETHERTYPE
, OVS_BE16_MAX
);
1826 int label
, tc
, ttl
, bos
;
1827 int label_mask
, tc_mask
, ttl_mask
, bos_mask
;
1830 if (mask
&& sscanf(s
, "mpls(label=%"SCNi32
"/%"SCNi32
",tc=%i/%i,ttl=%i/%i,bos=%i/%i)%n",
1831 &label
, &label_mask
, &tc
, &tc_mask
, &ttl
, &ttl_mask
, &bos
, &bos_mask
, &n
) > 0 && n
> 0) {
1832 struct ovs_key_mpls
*mpls
, *mpls_mask
;
1834 mpls
= nl_msg_put_unspec_uninit(key
, OVS_KEY_ATTR_MPLS
,
1836 mpls
->mpls_lse
= mpls_lse_from_components(label
, tc
, ttl
, bos
);
1838 mpls_mask
= nl_msg_put_unspec_uninit(mask
, OVS_KEY_ATTR_MPLS
,
1840 mpls_mask
->mpls_lse
= mpls_lse_from_components(
1841 label_mask
, tc_mask
, ttl_mask
, bos_mask
);
1843 } else if (sscanf(s
, "mpls(label=%"SCNi32
",tc=%i,ttl=%i,bos=%i)%n",
1844 &label
, &tc
, &ttl
, &bos
, &n
) > 0 &&
1846 struct ovs_key_mpls
*mpls
;
1848 mpls
= nl_msg_put_unspec_uninit(key
, OVS_KEY_ATTR_MPLS
,
1850 mpls
->mpls_lse
= mpls_lse_from_components(label
, tc
, ttl
, bos
);
1852 mpls
= nl_msg_put_unspec_uninit(mask
, OVS_KEY_ATTR_MPLS
,
1854 mpls
->mpls_lse
= OVS_BE32_MAX
;
1862 ovs_be32 ipv4_src
, ipv4_src_mask
;
1863 ovs_be32 ipv4_dst
, ipv4_dst_mask
;
1864 int ipv4_proto
, ipv4_proto_mask
;
1865 int ipv4_tos
, ipv4_tos_mask
;
1866 int ipv4_ttl
, ipv4_ttl_mask
;
1869 enum ovs_frag_type ipv4_frag
;
1872 if (mask
&& sscanf(s
, "ipv4(src="IP_SCAN_FMT
"/"IP_SCAN_FMT
","
1873 "dst="IP_SCAN_FMT
"/"IP_SCAN_FMT
","
1874 "proto=%i/%i,tos=%i/%i,ttl=%i/%i,"
1875 "frag=%7[a-z]/%i)%n",
1876 IP_SCAN_ARGS(&ipv4_src
), IP_SCAN_ARGS(&ipv4_src_mask
),
1877 IP_SCAN_ARGS(&ipv4_dst
), IP_SCAN_ARGS(&ipv4_dst_mask
),
1878 &ipv4_proto
, &ipv4_proto_mask
,
1879 &ipv4_tos
, &ipv4_tos_mask
, &ipv4_ttl
, &ipv4_ttl_mask
,
1880 frag
, &ipv4_frag_mask
, &n
) > 0
1882 && ovs_frag_type_from_string(frag
, &ipv4_frag
)) {
1883 struct ovs_key_ipv4 ipv4_key
;
1884 struct ovs_key_ipv4 ipv4_mask
;
1886 ipv4_key
.ipv4_src
= ipv4_src
;
1887 ipv4_key
.ipv4_dst
= ipv4_dst
;
1888 ipv4_key
.ipv4_proto
= ipv4_proto
;
1889 ipv4_key
.ipv4_tos
= ipv4_tos
;
1890 ipv4_key
.ipv4_ttl
= ipv4_ttl
;
1891 ipv4_key
.ipv4_frag
= ipv4_frag
;
1892 nl_msg_put_unspec(key
, OVS_KEY_ATTR_IPV4
,
1893 &ipv4_key
, sizeof ipv4_key
);
1895 ipv4_mask
.ipv4_src
= ipv4_src_mask
;
1896 ipv4_mask
.ipv4_dst
= ipv4_dst_mask
;
1897 ipv4_mask
.ipv4_proto
= ipv4_proto_mask
;
1898 ipv4_mask
.ipv4_tos
= ipv4_tos_mask
;
1899 ipv4_mask
.ipv4_ttl
= ipv4_ttl_mask
;
1900 ipv4_mask
.ipv4_frag
= ipv4_frag_mask
;
1901 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_IPV4
,
1902 &ipv4_mask
, sizeof ipv4_mask
);
1904 } else if (sscanf(s
, "ipv4(src="IP_SCAN_FMT
",dst="IP_SCAN_FMT
","
1905 "proto=%i,tos=%i,ttl=%i,frag=%7[a-z])%n",
1906 IP_SCAN_ARGS(&ipv4_src
), IP_SCAN_ARGS(&ipv4_dst
),
1907 &ipv4_proto
, &ipv4_tos
, &ipv4_ttl
, frag
, &n
) > 0
1909 && ovs_frag_type_from_string(frag
, &ipv4_frag
)) {
1910 struct ovs_key_ipv4 ipv4_key
;
1912 ipv4_key
.ipv4_src
= ipv4_src
;
1913 ipv4_key
.ipv4_dst
= ipv4_dst
;
1914 ipv4_key
.ipv4_proto
= ipv4_proto
;
1915 ipv4_key
.ipv4_tos
= ipv4_tos
;
1916 ipv4_key
.ipv4_ttl
= ipv4_ttl
;
1917 ipv4_key
.ipv4_frag
= ipv4_frag
;
1918 nl_msg_put_unspec(key
, OVS_KEY_ATTR_IPV4
,
1919 &ipv4_key
, sizeof ipv4_key
);
1922 memset(&ipv4_key
, 0xff, sizeof ipv4_key
);
1923 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_IPV4
,
1924 &ipv4_key
, sizeof ipv4_key
);
1931 char ipv6_src_s
[IPV6_SCAN_LEN
+ 1];
1932 char ipv6_src_mask_s
[IPV6_SCAN_LEN
+ 1];
1933 char ipv6_dst_s
[IPV6_SCAN_LEN
+ 1];
1934 char ipv6_dst_mask_s
[IPV6_SCAN_LEN
+ 1];
1935 int ipv6_label
, ipv6_label_mask
;
1936 int ipv6_proto
, ipv6_proto_mask
;
1937 int ipv6_tclass
, ipv6_tclass_mask
;
1938 int ipv6_hlimit
, ipv6_hlimit_mask
;
1940 enum ovs_frag_type ipv6_frag
;
1944 if (mask
&& sscanf(s
, "ipv6(src="IPV6_SCAN_FMT
"/"IPV6_SCAN_FMT
",dst="
1945 IPV6_SCAN_FMT
"/"IPV6_SCAN_FMT
","
1946 "label=%i/%i,proto=%i/%i,tclass=%i/%i,"
1947 "hlimit=%i/%i,frag=%7[a-z]/%i)%n",
1948 ipv6_src_s
, ipv6_src_mask_s
, ipv6_dst_s
, ipv6_dst_mask_s
,
1949 &ipv6_label
, &ipv6_label_mask
, &ipv6_proto
,
1950 &ipv6_proto_mask
, &ipv6_tclass
, &ipv6_tclass_mask
,
1951 &ipv6_hlimit
, &ipv6_hlimit_mask
, frag
,
1952 &ipv6_frag_mask
, &n
) > 0
1954 && ovs_frag_type_from_string(frag
, &ipv6_frag
)) {
1955 struct ovs_key_ipv6 ipv6_key
;
1956 struct ovs_key_ipv6 ipv6_mask
;
1958 if (inet_pton(AF_INET6
, ipv6_src_s
, &ipv6_key
.ipv6_src
) != 1 ||
1959 inet_pton(AF_INET6
, ipv6_dst_s
, &ipv6_key
.ipv6_dst
) != 1 ||
1960 inet_pton(AF_INET6
, ipv6_src_mask_s
, &ipv6_mask
.ipv6_src
) != 1 ||
1961 inet_pton(AF_INET6
, ipv6_dst_mask_s
, &ipv6_mask
.ipv6_dst
) != 1) {
1965 ipv6_key
.ipv6_label
= htonl(ipv6_label
);
1966 ipv6_key
.ipv6_proto
= ipv6_proto
;
1967 ipv6_key
.ipv6_tclass
= ipv6_tclass
;
1968 ipv6_key
.ipv6_hlimit
= ipv6_hlimit
;
1969 ipv6_key
.ipv6_frag
= ipv6_frag
;
1970 nl_msg_put_unspec(key
, OVS_KEY_ATTR_IPV6
,
1971 &ipv6_key
, sizeof ipv6_key
);
1973 ipv6_mask
.ipv6_label
= htonl(ipv6_label_mask
);
1974 ipv6_mask
.ipv6_proto
= ipv6_proto_mask
;
1975 ipv6_mask
.ipv6_tclass
= ipv6_tclass_mask
;
1976 ipv6_mask
.ipv6_hlimit
= ipv6_hlimit_mask
;
1977 ipv6_mask
.ipv6_frag
= ipv6_frag_mask
;
1978 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_IPV6
,
1979 &ipv6_mask
, sizeof ipv6_mask
);
1981 } else if (sscanf(s
, "ipv6(src="IPV6_SCAN_FMT
",dst="IPV6_SCAN_FMT
","
1982 "label=%i,proto=%i,tclass=%i,hlimit=%i,frag=%7[a-z])%n",
1983 ipv6_src_s
, ipv6_dst_s
, &ipv6_label
,
1984 &ipv6_proto
, &ipv6_tclass
, &ipv6_hlimit
, frag
, &n
) > 0
1986 && ovs_frag_type_from_string(frag
, &ipv6_frag
)) {
1987 struct ovs_key_ipv6 ipv6_key
;
1989 if (inet_pton(AF_INET6
, ipv6_src_s
, &ipv6_key
.ipv6_src
) != 1 ||
1990 inet_pton(AF_INET6
, ipv6_dst_s
, &ipv6_key
.ipv6_dst
) != 1) {
1993 ipv6_key
.ipv6_label
= htonl(ipv6_label
);
1994 ipv6_key
.ipv6_proto
= ipv6_proto
;
1995 ipv6_key
.ipv6_tclass
= ipv6_tclass
;
1996 ipv6_key
.ipv6_hlimit
= ipv6_hlimit
;
1997 ipv6_key
.ipv6_frag
= ipv6_frag
;
1998 nl_msg_put_unspec(key
, OVS_KEY_ATTR_IPV6
,
1999 &ipv6_key
, sizeof ipv6_key
);
2002 memset(&ipv6_key
, 0xff, sizeof ipv6_key
);
2003 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_IPV6
,
2004 &ipv6_key
, sizeof ipv6_key
);
2017 if (mask
&& sscanf(s
, "tcp(src=%i/%i,dst=%i/%i)%n",
2018 &tcp_src
, &tcp_src_mask
, &tcp_dst
, &tcp_dst_mask
, &n
) > 0
2020 struct ovs_key_tcp tcp_key
;
2021 struct ovs_key_tcp tcp_mask
;
2023 tcp_key
.tcp_src
= htons(tcp_src
);
2024 tcp_key
.tcp_dst
= htons(tcp_dst
);
2025 nl_msg_put_unspec(key
, OVS_KEY_ATTR_TCP
, &tcp_key
, sizeof tcp_key
);
2027 tcp_mask
.tcp_src
= htons(tcp_src_mask
);
2028 tcp_mask
.tcp_dst
= htons(tcp_dst_mask
);
2029 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_TCP
,
2030 &tcp_mask
, sizeof tcp_mask
);
2032 } else if (sscanf(s
, "tcp(src=%i,dst=%i)%n",&tcp_src
, &tcp_dst
, &n
) > 0
2034 struct ovs_key_tcp tcp_key
;
2036 tcp_key
.tcp_src
= htons(tcp_src
);
2037 tcp_key
.tcp_dst
= htons(tcp_dst
);
2038 nl_msg_put_unspec(key
, OVS_KEY_ATTR_TCP
, &tcp_key
, sizeof tcp_key
);
2041 memset(&tcp_key
, 0xff, sizeof tcp_key
);
2042 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_TCP
,
2043 &tcp_key
, sizeof tcp_key
);
2056 if (mask
&& sscanf(s
, "udp(src=%i/%i,dst=%i/%i)%n",
2057 &udp_src
, &udp_src_mask
,
2058 &udp_dst
, &udp_dst_mask
, &n
) > 0 && n
> 0) {
2059 struct ovs_key_udp udp_key
;
2060 struct ovs_key_udp udp_mask
;
2062 udp_key
.udp_src
= htons(udp_src
);
2063 udp_key
.udp_dst
= htons(udp_dst
);
2064 nl_msg_put_unspec(key
, OVS_KEY_ATTR_UDP
, &udp_key
, sizeof udp_key
);
2066 udp_mask
.udp_src
= htons(udp_src_mask
);
2067 udp_mask
.udp_dst
= htons(udp_dst_mask
);
2068 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_UDP
,
2069 &udp_mask
, sizeof udp_mask
);
2072 if (sscanf(s
, "udp(src=%i,dst=%i)%n", &udp_src
, &udp_dst
, &n
) > 0
2074 struct ovs_key_udp udp_key
;
2076 udp_key
.udp_src
= htons(udp_src
);
2077 udp_key
.udp_dst
= htons(udp_dst
);
2078 nl_msg_put_unspec(key
, OVS_KEY_ATTR_UDP
, &udp_key
, sizeof udp_key
);
2081 memset(&udp_key
, 0xff, sizeof udp_key
);
2082 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_UDP
, &udp_key
, sizeof udp_key
);
2095 if (mask
&& sscanf(s
, "sctp(src=%i/%i,dst=%i/%i)%n",
2096 &sctp_src
, &sctp_src_mask
,
2097 &sctp_dst
, &sctp_dst_mask
, &n
) > 0 && n
> 0) {
2098 struct ovs_key_sctp sctp_key
;
2099 struct ovs_key_sctp sctp_mask
;
2101 sctp_key
.sctp_src
= htons(sctp_src
);
2102 sctp_key
.sctp_dst
= htons(sctp_dst
);
2103 nl_msg_put_unspec(key
, OVS_KEY_ATTR_SCTP
, &sctp_key
, sizeof sctp_key
);
2105 sctp_mask
.sctp_src
= htons(sctp_src_mask
);
2106 sctp_mask
.sctp_dst
= htons(sctp_dst_mask
);
2107 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_SCTP
,
2108 &sctp_mask
, sizeof sctp_mask
);
2111 if (sscanf(s
, "sctp(src=%i,dst=%i)%n", &sctp_src
, &sctp_dst
, &n
) > 0
2113 struct ovs_key_sctp sctp_key
;
2115 sctp_key
.sctp_src
= htons(sctp_src
);
2116 sctp_key
.sctp_dst
= htons(sctp_dst
);
2117 nl_msg_put_unspec(key
, OVS_KEY_ATTR_SCTP
, &sctp_key
, sizeof sctp_key
);
2120 memset(&sctp_key
, 0xff, sizeof sctp_key
);
2121 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_SCTP
, &sctp_key
, sizeof sctp_key
);
2134 if (mask
&& sscanf(s
, "icmp(type=%i/%i,code=%i/%i)%n",
2135 &icmp_type
, &icmp_type_mask
,
2136 &icmp_code
, &icmp_code_mask
, &n
) > 0 && n
> 0) {
2137 struct ovs_key_icmp icmp_key
;
2138 struct ovs_key_icmp icmp_mask
;
2140 icmp_key
.icmp_type
= icmp_type
;
2141 icmp_key
.icmp_code
= icmp_code
;
2142 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ICMP
,
2143 &icmp_key
, sizeof icmp_key
);
2145 icmp_mask
.icmp_type
= icmp_type_mask
;
2146 icmp_mask
.icmp_code
= icmp_code_mask
;
2147 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ICMP
,
2148 &icmp_mask
, sizeof icmp_mask
);
2150 } else if (sscanf(s
, "icmp(type=%i,code=%i)%n",
2151 &icmp_type
, &icmp_code
, &n
) > 0
2153 struct ovs_key_icmp icmp_key
;
2155 icmp_key
.icmp_type
= icmp_type
;
2156 icmp_key
.icmp_code
= icmp_code
;
2157 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ICMP
,
2158 &icmp_key
, sizeof icmp_key
);
2160 memset(&icmp_key
, 0xff, sizeof icmp_key
);
2161 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ICMP
, &icmp_key
,
2169 struct ovs_key_icmpv6 icmpv6_key
;
2170 struct ovs_key_icmpv6 icmpv6_mask
;
2171 int icmpv6_type_mask
;
2172 int icmpv6_code_mask
;
2175 if (mask
&& sscanf(s
, "icmpv6(type=%"SCNi8
"/%i,code=%"SCNi8
"/%i)%n",
2176 &icmpv6_key
.icmpv6_type
, &icmpv6_type_mask
,
2177 &icmpv6_key
.icmpv6_code
, &icmpv6_code_mask
, &n
) > 0
2179 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ICMPV6
,
2180 &icmpv6_key
, sizeof icmpv6_key
);
2182 icmpv6_mask
.icmpv6_type
= icmpv6_type_mask
;
2183 icmpv6_mask
.icmpv6_code
= icmpv6_code_mask
;
2184 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ICMPV6
, &icmpv6_mask
,
2185 sizeof icmpv6_mask
);
2187 } else if (sscanf(s
, "icmpv6(type=%"SCNi8
",code=%"SCNi8
")%n",
2188 &icmpv6_key
.icmpv6_type
, &icmpv6_key
.icmpv6_code
,&n
) > 0
2190 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ICMPV6
,
2191 &icmpv6_key
, sizeof icmpv6_key
);
2194 memset(&icmpv6_key
, 0xff, sizeof icmpv6_key
);
2195 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ICMPV6
, &icmpv6_key
,
2203 ovs_be32 arp_sip
, arp_sip_mask
;
2204 ovs_be32 arp_tip
, arp_tip_mask
;
2205 int arp_op
, arp_op_mask
;
2206 uint8_t arp_sha
[ETH_ADDR_LEN
];
2207 uint8_t arp_sha_mask
[ETH_ADDR_LEN
];
2208 uint8_t arp_tha
[ETH_ADDR_LEN
];
2209 uint8_t arp_tha_mask
[ETH_ADDR_LEN
];
2212 if (mask
&& sscanf(s
, "arp(sip="IP_SCAN_FMT
"/"IP_SCAN_FMT
","
2213 "tip="IP_SCAN_FMT
"/"IP_SCAN_FMT
","
2214 "op=%i/%i,sha="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
","
2215 "tha="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
")%n",
2216 IP_SCAN_ARGS(&arp_sip
), IP_SCAN_ARGS(&arp_sip_mask
),
2217 IP_SCAN_ARGS(&arp_tip
), IP_SCAN_ARGS(&arp_tip_mask
),
2218 &arp_op
, &arp_op_mask
,
2219 ETH_ADDR_SCAN_ARGS(arp_sha
),
2220 ETH_ADDR_SCAN_ARGS(arp_sha_mask
),
2221 ETH_ADDR_SCAN_ARGS(arp_tha
),
2222 ETH_ADDR_SCAN_ARGS(arp_tha_mask
), &n
) > 0 && n
> 0) {
2223 struct ovs_key_arp arp_key
;
2224 struct ovs_key_arp arp_mask
;
2226 memset(&arp_key
, 0, sizeof arp_key
);
2227 arp_key
.arp_sip
= arp_sip
;
2228 arp_key
.arp_tip
= arp_tip
;
2229 arp_key
.arp_op
= htons(arp_op
);
2230 memcpy(arp_key
.arp_sha
, arp_sha
, ETH_ADDR_LEN
);
2231 memcpy(arp_key
.arp_tha
, arp_tha
, ETH_ADDR_LEN
);
2232 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ARP
, &arp_key
, sizeof arp_key
);
2234 arp_mask
.arp_sip
= arp_sip_mask
;
2235 arp_mask
.arp_tip
= arp_tip_mask
;
2236 arp_mask
.arp_op
= htons(arp_op_mask
);
2237 memcpy(arp_mask
.arp_sha
, arp_sha_mask
, ETH_ADDR_LEN
);
2238 memcpy(arp_mask
.arp_tha
, arp_tha_mask
, ETH_ADDR_LEN
);
2239 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ARP
,
2240 &arp_mask
, sizeof arp_mask
);
2242 } else if (sscanf(s
, "arp(sip="IP_SCAN_FMT
",tip="IP_SCAN_FMT
","
2243 "op=%i,sha="ETH_ADDR_SCAN_FMT
",tha="ETH_ADDR_SCAN_FMT
")%n",
2244 IP_SCAN_ARGS(&arp_sip
),
2245 IP_SCAN_ARGS(&arp_tip
),
2247 ETH_ADDR_SCAN_ARGS(arp_sha
),
2248 ETH_ADDR_SCAN_ARGS(arp_tha
), &n
) > 0 && n
> 0) {
2249 struct ovs_key_arp arp_key
;
2251 memset(&arp_key
, 0, sizeof arp_key
);
2252 arp_key
.arp_sip
= arp_sip
;
2253 arp_key
.arp_tip
= arp_tip
;
2254 arp_key
.arp_op
= htons(arp_op
);
2255 memcpy(arp_key
.arp_sha
, arp_sha
, ETH_ADDR_LEN
);
2256 memcpy(arp_key
.arp_tha
, arp_tha
, ETH_ADDR_LEN
);
2257 nl_msg_put_unspec(key
, OVS_KEY_ATTR_ARP
, &arp_key
, sizeof arp_key
);
2260 memset(&arp_key
, 0xff, sizeof arp_key
);
2261 nl_msg_put_unspec(mask
, OVS_KEY_ATTR_ARP
,
2262 &arp_key
, sizeof arp_key
);
2269 char nd_target_s
[IPV6_SCAN_LEN
+ 1];
2270 char nd_target_mask_s
[IPV6_SCAN_LEN
+ 1];
2271 uint8_t nd_sll
[ETH_ADDR_LEN
];
2272 uint8_t nd_sll_mask
[ETH_ADDR_LEN
];
2273 uint8_t nd_tll
[ETH_ADDR_LEN
];
2274 uint8_t nd_tll_mask
[ETH_ADDR_LEN
];
2277 nd_target_mask_s
[0] = 0;
2278 memset(nd_sll_mask
, 0xff, sizeof nd_sll_mask
);
2279 memset(nd_tll_mask
, 0xff, sizeof nd_tll_mask
);
2281 if (mask
&& sscanf(s
, "nd(target="IPV6_SCAN_FMT
"/"IPV6_SCAN_FMT
")%n",
2282 nd_target_s
, nd_target_mask_s
, &n
) > 0 && n
> 0) {
2283 put_nd_key(n
, nd_target_s
, NULL
, NULL
, key
);
2284 put_nd_mask(n
, nd_target_mask_s
, NULL
, NULL
, mask
);
2285 } else if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
")%n",
2286 nd_target_s
, &n
) > 0 && n
> 0) {
2287 put_nd_key(n
, nd_target_s
, NULL
, NULL
, key
);
2289 put_nd_mask(n
, nd_target_mask_s
, NULL
, NULL
, mask
);
2291 } else if (mask
&& sscanf(s
, "nd(target="IPV6_SCAN_FMT
"/"IPV6_SCAN_FMT
2292 ",sll="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
")%n",
2293 nd_target_s
, nd_target_mask_s
,
2294 ETH_ADDR_SCAN_ARGS(nd_sll
),
2295 ETH_ADDR_SCAN_ARGS(nd_sll_mask
), &n
) > 0 && n
> 0) {
2296 put_nd_key(n
, nd_target_s
, nd_sll
, NULL
, key
);
2297 put_nd_mask(n
, nd_target_mask_s
, nd_sll_mask
, NULL
, mask
);
2298 } else if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
",sll="ETH_ADDR_SCAN_FMT
")%n",
2299 nd_target_s
, ETH_ADDR_SCAN_ARGS(nd_sll
), &n
) > 0
2301 put_nd_key(n
, nd_target_s
, nd_sll
, NULL
, key
);
2303 put_nd_mask(n
, nd_target_mask_s
, nd_sll_mask
, NULL
, mask
);
2305 } else if (mask
&& sscanf(s
, "nd(target="IPV6_SCAN_FMT
"/"IPV6_SCAN_FMT
2306 ",tll="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
")%n",
2307 nd_target_s
, nd_target_mask_s
,
2308 ETH_ADDR_SCAN_ARGS(nd_tll
),
2309 ETH_ADDR_SCAN_ARGS(nd_tll_mask
), &n
) > 0 && n
> 0) {
2310 put_nd_key(n
, nd_target_s
, NULL
, nd_tll
, key
);
2311 put_nd_mask(n
, nd_target_mask_s
, NULL
, nd_tll_mask
, mask
);
2312 } else if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
",tll="ETH_ADDR_SCAN_FMT
")%n",
2313 nd_target_s
, ETH_ADDR_SCAN_ARGS(nd_tll
), &n
) > 0
2315 put_nd_key(n
, nd_target_s
, NULL
, nd_tll
, key
);
2317 put_nd_mask(n
, nd_target_mask_s
, NULL
, nd_tll_mask
, mask
);
2319 } else if (mask
&& sscanf(s
, "nd(target="IPV6_SCAN_FMT
"/"IPV6_SCAN_FMT
2320 ",sll="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
","
2321 "tll="ETH_ADDR_SCAN_FMT
"/"ETH_ADDR_SCAN_FMT
")%n",
2322 nd_target_s
, nd_target_mask_s
,
2323 ETH_ADDR_SCAN_ARGS(nd_sll
), ETH_ADDR_SCAN_ARGS(nd_sll_mask
),
2324 ETH_ADDR_SCAN_ARGS(nd_tll
), ETH_ADDR_SCAN_ARGS(nd_tll_mask
),
2327 put_nd_key(n
, nd_target_s
, nd_sll
, nd_tll
, key
);
2328 put_nd_mask(n
, nd_target_mask_s
, nd_sll_mask
, nd_tll_mask
, mask
);
2329 } else if (sscanf(s
, "nd(target="IPV6_SCAN_FMT
",sll="ETH_ADDR_SCAN_FMT
","
2330 "tll="ETH_ADDR_SCAN_FMT
")%n",
2331 nd_target_s
, ETH_ADDR_SCAN_ARGS(nd_sll
),
2332 ETH_ADDR_SCAN_ARGS(nd_tll
), &n
) > 0
2334 put_nd_key(n
, nd_target_s
, nd_sll
, nd_tll
, key
);
2336 put_nd_mask(n
, nd_target_mask_s
,
2337 nd_sll_mask
, nd_tll_mask
, mask
);
2346 if (!strncmp(s
, "encap(", 6)) {
2347 const char *start
= s
;
2348 size_t encap
, encap_mask
= 0;
2350 encap
= nl_msg_start_nested(key
, OVS_KEY_ATTR_ENCAP
);
2352 encap_mask
= nl_msg_start_nested(mask
, OVS_KEY_ATTR_ENCAP
);
2359 s
+= strspn(s
, ", \t\r\n");
2362 } else if (*s
== ')') {
2366 retval
= parse_odp_key_mask_attr(s
, port_names
, key
, mask
);
2374 nl_msg_end_nested(key
, encap
);
2376 nl_msg_end_nested(mask
, encap_mask
);
2385 /* Parses the string representation of a datapath flow key, in the
2386 * format output by odp_flow_key_format(). Returns 0 if successful,
2387 * otherwise a positive errno value. On success, the flow key is
2388 * appended to 'key' as a series of Netlink attributes. On failure, no
2389 * data is appended to 'key'. Either way, 'key''s data might be
2392 * If 'port_names' is nonnull, it points to an simap that maps from a port name
2393 * to a port number. (Port names may be used instead of port numbers in
2396 * On success, the attributes appended to 'key' are individually syntactically
2397 * valid, but they may not be valid as a sequence. 'key' might, for example,
2398 * have duplicated keys. odp_flow_key_to_flow() will detect those errors. */
2400 odp_flow_from_string(const char *s
, const struct simap
*port_names
,
2401 struct ofpbuf
*key
, struct ofpbuf
*mask
)
2403 const size_t old_size
= key
->size
;
2407 s
+= strspn(s
, delimiters
);
2412 retval
= parse_odp_key_mask_attr(s
, port_names
, key
, mask
);
2414 key
->size
= old_size
;
2424 ovs_to_odp_frag(uint8_t nw_frag
)
2426 return (nw_frag
== 0 ? OVS_FRAG_TYPE_NONE
2427 : nw_frag
== FLOW_NW_FRAG_ANY
? OVS_FRAG_TYPE_FIRST
2428 : OVS_FRAG_TYPE_LATER
);
2432 ovs_to_odp_frag_mask(uint8_t nw_frag_mask
)
2434 uint8_t frag_mask
= ~(OVS_FRAG_TYPE_FIRST
| OVS_FRAG_TYPE_LATER
);
2436 frag_mask
|= (nw_frag_mask
& FLOW_NW_FRAG_ANY
) ? OVS_FRAG_TYPE_FIRST
: 0;
2437 frag_mask
|= (nw_frag_mask
& FLOW_NW_FRAG_LATER
) ? OVS_FRAG_TYPE_LATER
: 0;
2443 odp_flow_key_from_flow__(struct ofpbuf
*buf
, const struct flow
*data
,
2444 const struct flow
*flow
, odp_port_t odp_in_port
)
2447 struct ovs_key_ethernet
*eth_key
;
2450 /* We assume that if 'data' and 'flow' are not the same, we should
2451 * treat 'data' as a mask. */
2452 is_mask
= (data
!= flow
);
2454 nl_msg_put_u32(buf
, OVS_KEY_ATTR_PRIORITY
, data
->skb_priority
);
2456 if (flow
->tunnel
.ip_dst
|| is_mask
) {
2457 tun_key_to_attr(buf
, &data
->tunnel
);
2460 nl_msg_put_u32(buf
, OVS_KEY_ATTR_SKB_MARK
, data
->pkt_mark
);
2462 /* Add an ingress port attribute if this is a mask or 'odp_in_port'
2463 * is not the magical value "ODPP_NONE". */
2464 if (is_mask
|| odp_in_port
!= ODPP_NONE
) {
2465 nl_msg_put_odp_port(buf
, OVS_KEY_ATTR_IN_PORT
, odp_in_port
);
2468 eth_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ETHERNET
,
2470 memcpy(eth_key
->eth_src
, data
->dl_src
, ETH_ADDR_LEN
);
2471 memcpy(eth_key
->eth_dst
, data
->dl_dst
, ETH_ADDR_LEN
);
2473 if (flow
->vlan_tci
!= htons(0) || flow
->dl_type
== htons(ETH_TYPE_VLAN
)) {
2475 nl_msg_put_be16(buf
, OVS_KEY_ATTR_ETHERTYPE
, OVS_BE16_MAX
);
2477 nl_msg_put_be16(buf
, OVS_KEY_ATTR_ETHERTYPE
, htons(ETH_TYPE_VLAN
));
2479 nl_msg_put_be16(buf
, OVS_KEY_ATTR_VLAN
, data
->vlan_tci
);
2480 encap
= nl_msg_start_nested(buf
, OVS_KEY_ATTR_ENCAP
);
2481 if (flow
->vlan_tci
== htons(0)) {
2488 if (ntohs(flow
->dl_type
) < ETH_TYPE_MIN
) {
2489 /* For backwards compatibility with kernels that don't support
2490 * wildcarding, the following convention is used to encode the
2491 * OVS_KEY_ATTR_ETHERTYPE for key and mask:
2494 * -------- -------- -------
2495 * >0x5ff 0xffff Specified Ethernet II Ethertype.
2496 * >0x5ff 0 Any Ethernet II or non-Ethernet II frame.
2497 * <none> 0xffff Any non-Ethernet II frame (except valid
2498 * 802.3 SNAP packet with valid eth_type).
2501 nl_msg_put_be16(buf
, OVS_KEY_ATTR_ETHERTYPE
, OVS_BE16_MAX
);
2506 nl_msg_put_be16(buf
, OVS_KEY_ATTR_ETHERTYPE
, data
->dl_type
);
2508 if (flow
->dl_type
== htons(ETH_TYPE_IP
)) {
2509 struct ovs_key_ipv4
*ipv4_key
;
2511 ipv4_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_IPV4
,
2513 ipv4_key
->ipv4_src
= data
->nw_src
;
2514 ipv4_key
->ipv4_dst
= data
->nw_dst
;
2515 ipv4_key
->ipv4_proto
= data
->nw_proto
;
2516 ipv4_key
->ipv4_tos
= data
->nw_tos
;
2517 ipv4_key
->ipv4_ttl
= data
->nw_ttl
;
2518 ipv4_key
->ipv4_frag
= is_mask
? ovs_to_odp_frag_mask(data
->nw_frag
)
2519 : ovs_to_odp_frag(data
->nw_frag
);
2520 } else if (flow
->dl_type
== htons(ETH_TYPE_IPV6
)) {
2521 struct ovs_key_ipv6
*ipv6_key
;
2523 ipv6_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_IPV6
,
2525 memcpy(ipv6_key
->ipv6_src
, &data
->ipv6_src
, sizeof ipv6_key
->ipv6_src
);
2526 memcpy(ipv6_key
->ipv6_dst
, &data
->ipv6_dst
, sizeof ipv6_key
->ipv6_dst
);
2527 ipv6_key
->ipv6_label
= data
->ipv6_label
;
2528 ipv6_key
->ipv6_proto
= data
->nw_proto
;
2529 ipv6_key
->ipv6_tclass
= data
->nw_tos
;
2530 ipv6_key
->ipv6_hlimit
= data
->nw_ttl
;
2531 ipv6_key
->ipv6_frag
= is_mask
? ovs_to_odp_frag_mask(data
->nw_frag
)
2532 : ovs_to_odp_frag(data
->nw_frag
);
2533 } else if (flow
->dl_type
== htons(ETH_TYPE_ARP
) ||
2534 flow
->dl_type
== htons(ETH_TYPE_RARP
)) {
2535 struct ovs_key_arp
*arp_key
;
2537 arp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ARP
,
2539 memset(arp_key
, 0, sizeof *arp_key
);
2540 arp_key
->arp_sip
= data
->nw_src
;
2541 arp_key
->arp_tip
= data
->nw_dst
;
2542 arp_key
->arp_op
= htons(data
->nw_proto
);
2543 memcpy(arp_key
->arp_sha
, data
->arp_sha
, ETH_ADDR_LEN
);
2544 memcpy(arp_key
->arp_tha
, data
->arp_tha
, ETH_ADDR_LEN
);
2545 } else if (eth_type_mpls(flow
->dl_type
)) {
2546 struct ovs_key_mpls
*mpls_key
;
2548 mpls_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_MPLS
,
2550 mpls_key
->mpls_lse
= data
->mpls_lse
;
2553 if (is_ip_any(flow
) && !(flow
->nw_frag
& FLOW_NW_FRAG_LATER
)) {
2554 if (flow
->nw_proto
== IPPROTO_TCP
) {
2555 struct ovs_key_tcp
*tcp_key
;
2557 tcp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_TCP
,
2559 tcp_key
->tcp_src
= data
->tp_src
;
2560 tcp_key
->tcp_dst
= data
->tp_dst
;
2561 } else if (flow
->nw_proto
== IPPROTO_UDP
) {
2562 struct ovs_key_udp
*udp_key
;
2564 udp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_UDP
,
2566 udp_key
->udp_src
= data
->tp_src
;
2567 udp_key
->udp_dst
= data
->tp_dst
;
2568 } else if (flow
->nw_proto
== IPPROTO_SCTP
) {
2569 struct ovs_key_sctp
*sctp_key
;
2571 sctp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_SCTP
,
2573 sctp_key
->sctp_src
= data
->tp_src
;
2574 sctp_key
->sctp_dst
= data
->tp_dst
;
2575 } else if (flow
->dl_type
== htons(ETH_TYPE_IP
)
2576 && flow
->nw_proto
== IPPROTO_ICMP
) {
2577 struct ovs_key_icmp
*icmp_key
;
2579 icmp_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ICMP
,
2581 icmp_key
->icmp_type
= ntohs(data
->tp_src
);
2582 icmp_key
->icmp_code
= ntohs(data
->tp_dst
);
2583 } else if (flow
->dl_type
== htons(ETH_TYPE_IPV6
)
2584 && flow
->nw_proto
== IPPROTO_ICMPV6
) {
2585 struct ovs_key_icmpv6
*icmpv6_key
;
2587 icmpv6_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ICMPV6
,
2588 sizeof *icmpv6_key
);
2589 icmpv6_key
->icmpv6_type
= ntohs(data
->tp_src
);
2590 icmpv6_key
->icmpv6_code
= ntohs(data
->tp_dst
);
2592 if (flow
->tp_dst
== htons(0) &&
2593 (flow
->tp_src
== htons(ND_NEIGHBOR_SOLICIT
) ||
2594 flow
->tp_src
== htons(ND_NEIGHBOR_ADVERT
)) &&
2595 (!is_mask
|| (data
->tp_src
== htons(0xffff) &&
2596 data
->tp_dst
== htons(0xffff)))) {
2598 struct ovs_key_nd
*nd_key
;
2600 nd_key
= nl_msg_put_unspec_uninit(buf
, OVS_KEY_ATTR_ND
,
2602 memcpy(nd_key
->nd_target
, &data
->nd_target
,
2603 sizeof nd_key
->nd_target
);
2604 memcpy(nd_key
->nd_sll
, data
->arp_sha
, ETH_ADDR_LEN
);
2605 memcpy(nd_key
->nd_tll
, data
->arp_tha
, ETH_ADDR_LEN
);
2612 nl_msg_end_nested(buf
, encap
);
2616 /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
2617 * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
2618 * number rather than a datapath port number). Instead, if 'odp_in_port'
2619 * is anything other than ODPP_NONE, it is included in 'buf' as the input
2622 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2623 * capable of being expanded to allow for that much space. */
2625 odp_flow_key_from_flow(struct ofpbuf
*buf
, const struct flow
*flow
,
2626 odp_port_t odp_in_port
)
2628 odp_flow_key_from_flow__(buf
, flow
, flow
, odp_in_port
);
2631 /* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to
2632 * 'buf'. 'flow' is used as a template to determine how to interpret
2633 * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but
2634 * it doesn't indicate whether the other fields should be interpreted as
2635 * ARP, IPv4, IPv6, etc.
2637 * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
2638 * capable of being expanded to allow for that much space. */
2640 odp_flow_key_from_mask(struct ofpbuf
*buf
, const struct flow
*mask
,
2641 const struct flow
*flow
, uint32_t odp_in_port_mask
)
2643 odp_flow_key_from_flow__(buf
, mask
, flow
, u32_to_odp(odp_in_port_mask
));
2647 odp_flow_key_hash(const struct nlattr
*key
, size_t key_len
)
2649 BUILD_ASSERT_DECL(!(NLA_ALIGNTO
% sizeof(uint32_t)));
2650 return hash_words(ALIGNED_CAST(const uint32_t *, key
),
2651 key_len
/ sizeof(uint32_t), 0);
2655 log_odp_key_attributes(struct vlog_rate_limit
*rl
, const char *title
,
2656 uint64_t attrs
, int out_of_range_attr
,
2657 const struct nlattr
*key
, size_t key_len
)
2662 if (VLOG_DROP_DBG(rl
)) {
2667 for (i
= 0; i
< 64; i
++) {
2668 if (attrs
& (UINT64_C(1) << i
)) {
2669 char namebuf
[OVS_KEY_ATTR_BUFSIZE
];
2671 ds_put_format(&s
, " %s",
2672 ovs_key_attr_to_string(i
, namebuf
, sizeof namebuf
));
2675 if (out_of_range_attr
) {
2676 ds_put_format(&s
, " %d (and possibly others)", out_of_range_attr
);
2679 ds_put_cstr(&s
, ": ");
2680 odp_flow_key_format(key
, key_len
, &s
);
2682 VLOG_DBG("%s:%s", title
, ds_cstr(&s
));
2687 odp_to_ovs_frag(uint8_t odp_frag
, struct flow
*flow
)
2689 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2691 if (odp_frag
> OVS_FRAG_TYPE_LATER
) {
2692 VLOG_ERR_RL(&rl
, "invalid frag %"PRIu8
" in flow key", odp_frag
);
2696 if (odp_frag
!= OVS_FRAG_TYPE_NONE
) {
2697 flow
->nw_frag
|= FLOW_NW_FRAG_ANY
;
2698 if (odp_frag
== OVS_FRAG_TYPE_LATER
) {
2699 flow
->nw_frag
|= FLOW_NW_FRAG_LATER
;
2706 parse_flow_nlattrs(const struct nlattr
*key
, size_t key_len
,
2707 const struct nlattr
*attrs
[], uint64_t *present_attrsp
,
2708 int *out_of_range_attrp
)
2710 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(10, 10);
2711 const struct nlattr
*nla
;
2712 uint64_t present_attrs
;
2715 BUILD_ASSERT(OVS_KEY_ATTR_MAX
< CHAR_BIT
* sizeof present_attrs
);
2717 *out_of_range_attrp
= 0;
2718 NL_ATTR_FOR_EACH (nla
, left
, key
, key_len
) {
2719 uint16_t type
= nl_attr_type(nla
);
2720 size_t len
= nl_attr_get_size(nla
);
2721 int expected_len
= odp_flow_key_attr_len(type
);
2723 if (len
!= expected_len
&& expected_len
>= 0) {
2724 char namebuf
[OVS_KEY_ATTR_BUFSIZE
];
2726 VLOG_ERR_RL(&rl
, "attribute %s has length %zu but should have "
2727 "length %d", ovs_key_attr_to_string(type
, namebuf
,
2733 if (type
> OVS_KEY_ATTR_MAX
) {
2734 *out_of_range_attrp
= type
;
2736 if (present_attrs
& (UINT64_C(1) << type
)) {
2737 char namebuf
[OVS_KEY_ATTR_BUFSIZE
];
2739 VLOG_ERR_RL(&rl
, "duplicate %s attribute in flow key",
2740 ovs_key_attr_to_string(type
,
2741 namebuf
, sizeof namebuf
));
2745 present_attrs
|= UINT64_C(1) << type
;
2750 VLOG_ERR_RL(&rl
, "trailing garbage in flow key");
2754 *present_attrsp
= present_attrs
;
2758 static enum odp_key_fitness
2759 check_expectations(uint64_t present_attrs
, int out_of_range_attr
,
2760 uint64_t expected_attrs
,
2761 const struct nlattr
*key
, size_t key_len
)
2763 uint64_t missing_attrs
;
2764 uint64_t extra_attrs
;
2766 missing_attrs
= expected_attrs
& ~present_attrs
;
2767 if (missing_attrs
) {
2768 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(10, 10);
2769 log_odp_key_attributes(&rl
, "expected but not present",
2770 missing_attrs
, 0, key
, key_len
);
2771 return ODP_FIT_TOO_LITTLE
;
2774 extra_attrs
= present_attrs
& ~expected_attrs
;
2775 if (extra_attrs
|| out_of_range_attr
) {
2776 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(10, 10);
2777 log_odp_key_attributes(&rl
, "present but not expected",
2778 extra_attrs
, out_of_range_attr
, key
, key_len
);
2779 return ODP_FIT_TOO_MUCH
;
2782 return ODP_FIT_PERFECT
;
2786 parse_ethertype(const struct nlattr
*attrs
[OVS_KEY_ATTR_MAX
+ 1],
2787 uint64_t present_attrs
, uint64_t *expected_attrs
,
2788 struct flow
*flow
, const struct flow
*src_flow
)
2790 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2791 bool is_mask
= flow
!= src_flow
;
2793 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE
)) {
2794 flow
->dl_type
= nl_attr_get_be16(attrs
[OVS_KEY_ATTR_ETHERTYPE
]);
2795 if (!is_mask
&& ntohs(flow
->dl_type
) < ETH_TYPE_MIN
) {
2796 VLOG_ERR_RL(&rl
, "invalid Ethertype %"PRIu16
" in flow key",
2797 ntohs(flow
->dl_type
));
2800 if (is_mask
&& ntohs(src_flow
->dl_type
) < ETH_TYPE_MIN
&&
2801 flow
->dl_type
!= htons(0xffff)) {
2804 *expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE
;
2807 flow
->dl_type
= htons(FLOW_DL_TYPE_NONE
);
2808 } else if (ntohs(src_flow
->dl_type
) < ETH_TYPE_MIN
) {
2809 /* See comments in odp_flow_key_from_flow__(). */
2810 VLOG_ERR_RL(&rl
, "mask expected for non-Ethernet II frame");
2817 static enum odp_key_fitness
2818 parse_l2_5_onward(const struct nlattr
*attrs
[OVS_KEY_ATTR_MAX
+ 1],
2819 uint64_t present_attrs
, int out_of_range_attr
,
2820 uint64_t expected_attrs
, struct flow
*flow
,
2821 const struct nlattr
*key
, size_t key_len
,
2822 const struct flow
*src_flow
)
2824 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2825 bool is_mask
= src_flow
!= flow
;
2826 const void *check_start
= NULL
;
2827 size_t check_len
= 0;
2828 enum ovs_key_attr expected_bit
= 0xff;
2830 if (eth_type_mpls(src_flow
->dl_type
)) {
2832 expected_attrs
|= (UINT64_C(1) << OVS_KEY_ATTR_MPLS
);
2834 if (!(present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_MPLS
))) {
2835 return ODP_FIT_TOO_LITTLE
;
2837 flow
->mpls_lse
= nl_attr_get_be32(attrs
[OVS_KEY_ATTR_MPLS
]);
2838 } else if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_MPLS
)) {
2839 flow
->mpls_lse
= nl_attr_get_be32(attrs
[OVS_KEY_ATTR_MPLS
]);
2841 if (flow
->mpls_lse
!= 0 && flow
->dl_type
!= htons(0xffff)) {
2842 return ODP_FIT_ERROR
;
2844 expected_attrs
|= (UINT64_C(1) << OVS_KEY_ATTR_MPLS
);
2847 } else if (src_flow
->dl_type
== htons(ETH_TYPE_IP
)) {
2849 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_IPV4
;
2851 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_IPV4
)) {
2852 const struct ovs_key_ipv4
*ipv4_key
;
2854 ipv4_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_IPV4
]);
2855 flow
->nw_src
= ipv4_key
->ipv4_src
;
2856 flow
->nw_dst
= ipv4_key
->ipv4_dst
;
2857 flow
->nw_proto
= ipv4_key
->ipv4_proto
;
2858 flow
->nw_tos
= ipv4_key
->ipv4_tos
;
2859 flow
->nw_ttl
= ipv4_key
->ipv4_ttl
;
2861 flow
->nw_frag
= ipv4_key
->ipv4_frag
;
2862 check_start
= ipv4_key
;
2863 check_len
= sizeof *ipv4_key
;
2864 expected_bit
= OVS_KEY_ATTR_IPV4
;
2865 } else if (!odp_to_ovs_frag(ipv4_key
->ipv4_frag
, flow
)) {
2866 return ODP_FIT_ERROR
;
2869 } else if (src_flow
->dl_type
== htons(ETH_TYPE_IPV6
)) {
2871 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_IPV6
;
2873 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_IPV6
)) {
2874 const struct ovs_key_ipv6
*ipv6_key
;
2876 ipv6_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_IPV6
]);
2877 memcpy(&flow
->ipv6_src
, ipv6_key
->ipv6_src
, sizeof flow
->ipv6_src
);
2878 memcpy(&flow
->ipv6_dst
, ipv6_key
->ipv6_dst
, sizeof flow
->ipv6_dst
);
2879 flow
->ipv6_label
= ipv6_key
->ipv6_label
;
2880 flow
->nw_proto
= ipv6_key
->ipv6_proto
;
2881 flow
->nw_tos
= ipv6_key
->ipv6_tclass
;
2882 flow
->nw_ttl
= ipv6_key
->ipv6_hlimit
;
2884 flow
->nw_frag
= ipv6_key
->ipv6_frag
;
2885 check_start
= ipv6_key
;
2886 check_len
= sizeof *ipv6_key
;
2887 expected_bit
= OVS_KEY_ATTR_IPV6
;
2888 } else if (!odp_to_ovs_frag(ipv6_key
->ipv6_frag
, flow
)) {
2889 return ODP_FIT_ERROR
;
2892 } else if (src_flow
->dl_type
== htons(ETH_TYPE_ARP
) ||
2893 src_flow
->dl_type
== htons(ETH_TYPE_RARP
)) {
2895 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ARP
;
2897 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ARP
)) {
2898 const struct ovs_key_arp
*arp_key
;
2900 arp_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_ARP
]);
2901 flow
->nw_src
= arp_key
->arp_sip
;
2902 flow
->nw_dst
= arp_key
->arp_tip
;
2903 if (!is_mask
&& (arp_key
->arp_op
& htons(0xff00))) {
2904 VLOG_ERR_RL(&rl
, "unsupported ARP opcode %"PRIu16
" in flow "
2905 "key", ntohs(arp_key
->arp_op
));
2906 return ODP_FIT_ERROR
;
2908 flow
->nw_proto
= ntohs(arp_key
->arp_op
);
2909 memcpy(flow
->arp_sha
, arp_key
->arp_sha
, ETH_ADDR_LEN
);
2910 memcpy(flow
->arp_tha
, arp_key
->arp_tha
, ETH_ADDR_LEN
);
2913 check_start
= arp_key
;
2914 check_len
= sizeof *arp_key
;
2915 expected_bit
= OVS_KEY_ATTR_ARP
;
2922 if (!is_all_zeros(check_start
, check_len
) &&
2923 flow
->dl_type
!= htons(0xffff)) {
2924 return ODP_FIT_ERROR
;
2926 expected_attrs
|= UINT64_C(1) << expected_bit
;
2930 expected_bit
= OVS_KEY_ATTR_UNSPEC
;
2931 if (src_flow
->nw_proto
== IPPROTO_TCP
2932 && (src_flow
->dl_type
== htons(ETH_TYPE_IP
) ||
2933 src_flow
->dl_type
== htons(ETH_TYPE_IPV6
))
2934 && !(src_flow
->nw_frag
& FLOW_NW_FRAG_LATER
)) {
2936 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_TCP
;
2938 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_TCP
)) {
2939 const struct ovs_key_tcp
*tcp_key
;
2941 tcp_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_TCP
]);
2942 flow
->tp_src
= tcp_key
->tcp_src
;
2943 flow
->tp_dst
= tcp_key
->tcp_dst
;
2944 expected_bit
= OVS_KEY_ATTR_TCP
;
2946 } else if (src_flow
->nw_proto
== IPPROTO_UDP
2947 && (src_flow
->dl_type
== htons(ETH_TYPE_IP
) ||
2948 src_flow
->dl_type
== htons(ETH_TYPE_IPV6
))
2949 && !(src_flow
->nw_frag
& FLOW_NW_FRAG_LATER
)) {
2951 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_UDP
;
2953 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_UDP
)) {
2954 const struct ovs_key_udp
*udp_key
;
2956 udp_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_UDP
]);
2957 flow
->tp_src
= udp_key
->udp_src
;
2958 flow
->tp_dst
= udp_key
->udp_dst
;
2959 expected_bit
= OVS_KEY_ATTR_UDP
;
2961 } else if (flow
->nw_proto
== IPPROTO_SCTP
2962 && (flow
->dl_type
== htons(ETH_TYPE_IP
) ||
2963 flow
->dl_type
== htons(ETH_TYPE_IPV6
))
2964 && !(flow
->nw_frag
& FLOW_NW_FRAG_LATER
)) {
2966 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_SCTP
;
2968 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_SCTP
)) {
2969 const struct ovs_key_sctp
*sctp_key
;
2971 sctp_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_SCTP
]);
2972 flow
->tp_src
= sctp_key
->sctp_src
;
2973 flow
->tp_dst
= sctp_key
->sctp_dst
;
2974 expected_bit
= OVS_KEY_ATTR_SCTP
;
2976 } else if (src_flow
->nw_proto
== IPPROTO_ICMP
2977 && src_flow
->dl_type
== htons(ETH_TYPE_IP
)
2978 && !(src_flow
->nw_frag
& FLOW_NW_FRAG_LATER
)) {
2980 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ICMP
;
2982 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ICMP
)) {
2983 const struct ovs_key_icmp
*icmp_key
;
2985 icmp_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_ICMP
]);
2986 flow
->tp_src
= htons(icmp_key
->icmp_type
);
2987 flow
->tp_dst
= htons(icmp_key
->icmp_code
);
2988 expected_bit
= OVS_KEY_ATTR_ICMP
;
2990 } else if (src_flow
->nw_proto
== IPPROTO_ICMPV6
2991 && src_flow
->dl_type
== htons(ETH_TYPE_IPV6
)
2992 && !(src_flow
->nw_frag
& FLOW_NW_FRAG_LATER
)) {
2994 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6
;
2996 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6
)) {
2997 const struct ovs_key_icmpv6
*icmpv6_key
;
2999 icmpv6_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_ICMPV6
]);
3000 flow
->tp_src
= htons(icmpv6_key
->icmpv6_type
);
3001 flow
->tp_dst
= htons(icmpv6_key
->icmpv6_code
);
3002 expected_bit
= OVS_KEY_ATTR_ICMPV6
;
3003 if (src_flow
->tp_dst
== htons(0) &&
3004 (src_flow
->tp_src
== htons(ND_NEIGHBOR_SOLICIT
) ||
3005 src_flow
->tp_src
== htons(ND_NEIGHBOR_ADVERT
))) {
3007 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ND
;
3009 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ND
)) {
3010 const struct ovs_key_nd
*nd_key
;
3012 nd_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_ND
]);
3013 memcpy(&flow
->nd_target
, nd_key
->nd_target
,
3014 sizeof flow
->nd_target
);
3015 memcpy(flow
->arp_sha
, nd_key
->nd_sll
, ETH_ADDR_LEN
);
3016 memcpy(flow
->arp_tha
, nd_key
->nd_tll
, ETH_ADDR_LEN
);
3018 if (!is_all_zeros((const uint8_t *) nd_key
,
3020 (flow
->tp_src
!= htons(0xffff) ||
3021 flow
->tp_dst
!= htons(0xffff))) {
3022 return ODP_FIT_ERROR
;
3024 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ND
;
3031 if (is_mask
&& expected_bit
!= OVS_KEY_ATTR_UNSPEC
) {
3032 if ((flow
->tp_src
|| flow
->tp_dst
) && flow
->nw_proto
!= 0xff) {
3033 return ODP_FIT_ERROR
;
3035 expected_attrs
|= UINT64_C(1) << expected_bit
;
3040 return check_expectations(present_attrs
, out_of_range_attr
, expected_attrs
,
3044 /* Parse 802.1Q header then encapsulated L3 attributes. */
3045 static enum odp_key_fitness
3046 parse_8021q_onward(const struct nlattr
*attrs
[OVS_KEY_ATTR_MAX
+ 1],
3047 uint64_t present_attrs
, int out_of_range_attr
,
3048 uint64_t expected_attrs
, struct flow
*flow
,
3049 const struct nlattr
*key
, size_t key_len
,
3050 const struct flow
*src_flow
)
3052 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3053 bool is_mask
= src_flow
!= flow
;
3055 const struct nlattr
*encap
3056 = (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ENCAP
)
3057 ? attrs
[OVS_KEY_ATTR_ENCAP
] : NULL
);
3058 enum odp_key_fitness encap_fitness
;
3059 enum odp_key_fitness fitness
;
3062 /* Calculate fitness of outer attributes. */
3064 expected_attrs
|= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN
) |
3065 (UINT64_C(1) << OVS_KEY_ATTR_ENCAP
));
3067 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_VLAN
)) {
3068 expected_attrs
|= (UINT64_C(1) << OVS_KEY_ATTR_VLAN
);
3070 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ENCAP
)) {
3071 expected_attrs
|= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP
);
3074 fitness
= check_expectations(present_attrs
, out_of_range_attr
,
3075 expected_attrs
, key
, key_len
);
3077 /* Get the VLAN TCI value. */
3078 if (!is_mask
&& !(present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_VLAN
))) {
3079 return ODP_FIT_TOO_LITTLE
;
3081 tci
= nl_attr_get_be16(attrs
[OVS_KEY_ATTR_VLAN
]);
3083 if (tci
== htons(0)) {
3084 /* Corner case for a truncated 802.1Q header. */
3085 if (fitness
== ODP_FIT_PERFECT
&& nl_attr_get_size(encap
)) {
3086 return ODP_FIT_TOO_MUCH
;
3089 } else if (!(tci
& htons(VLAN_CFI
))) {
3090 VLOG_ERR_RL(&rl
, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16
" is nonzero "
3091 "but CFI bit is not set", ntohs(tci
));
3092 return ODP_FIT_ERROR
;
3096 * Remove the TPID from dl_type since it's not the real Ethertype. */
3097 flow
->dl_type
= htons(0);
3098 flow
->vlan_tci
= tci
;
3101 if (is_mask
&& !(present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ENCAP
))) {
3104 /* Now parse the encapsulated attributes. */
3105 if (!parse_flow_nlattrs(nl_attr_get(encap
), nl_attr_get_size(encap
),
3106 attrs
, &present_attrs
, &out_of_range_attr
)) {
3107 return ODP_FIT_ERROR
;
3111 if (!parse_ethertype(attrs
, present_attrs
, &expected_attrs
, flow
, src_flow
)) {
3112 return ODP_FIT_ERROR
;
3114 encap_fitness
= parse_l2_5_onward(attrs
, present_attrs
, out_of_range_attr
,
3115 expected_attrs
, flow
, key
, key_len
,
3118 /* The overall fitness is the worse of the outer and inner attributes. */
3119 return MAX(fitness
, encap_fitness
);
3122 static enum odp_key_fitness
3123 odp_flow_key_to_flow__(const struct nlattr
*key
, size_t key_len
,
3124 struct flow
*flow
, const struct flow
*src_flow
)
3126 const struct nlattr
*attrs
[OVS_KEY_ATTR_MAX
+ 1];
3127 uint64_t expected_attrs
;
3128 uint64_t present_attrs
;
3129 int out_of_range_attr
;
3130 bool is_mask
= src_flow
!= flow
;
3132 memset(flow
, 0, sizeof *flow
);
3134 /* Parse attributes. */
3135 if (!parse_flow_nlattrs(key
, key_len
, attrs
, &present_attrs
,
3136 &out_of_range_attr
)) {
3137 return ODP_FIT_ERROR
;
3142 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_PRIORITY
)) {
3143 flow
->skb_priority
= nl_attr_get_u32(attrs
[OVS_KEY_ATTR_PRIORITY
]);
3144 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_PRIORITY
;
3147 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK
)) {
3148 flow
->pkt_mark
= nl_attr_get_u32(attrs
[OVS_KEY_ATTR_SKB_MARK
]);
3149 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK
;
3152 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_TUNNEL
)) {
3153 enum odp_key_fitness res
;
3155 res
= odp_tun_key_from_attr(attrs
[OVS_KEY_ATTR_TUNNEL
], &flow
->tunnel
);
3156 if (res
== ODP_FIT_ERROR
) {
3157 return ODP_FIT_ERROR
;
3158 } else if (res
== ODP_FIT_PERFECT
) {
3159 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_TUNNEL
;
3163 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT
)) {
3164 flow
->in_port
.odp_port
3165 = nl_attr_get_odp_port(attrs
[OVS_KEY_ATTR_IN_PORT
]);
3166 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT
;
3167 } else if (!is_mask
) {
3168 flow
->in_port
.odp_port
= ODPP_NONE
;
3171 /* Ethernet header. */
3172 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_ETHERNET
)) {
3173 const struct ovs_key_ethernet
*eth_key
;
3175 eth_key
= nl_attr_get(attrs
[OVS_KEY_ATTR_ETHERNET
]);
3176 memcpy(flow
->dl_src
, eth_key
->eth_src
, ETH_ADDR_LEN
);
3177 memcpy(flow
->dl_dst
, eth_key
->eth_dst
, ETH_ADDR_LEN
);
3179 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET
;
3183 expected_attrs
|= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET
;
3186 /* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
3187 if (!parse_ethertype(attrs
, present_attrs
, &expected_attrs
, flow
,
3189 return ODP_FIT_ERROR
;
3192 if ((is_mask
&& (src_flow
->vlan_tci
& htons(VLAN_CFI
))) ||
3193 (!is_mask
&& src_flow
->dl_type
== htons(ETH_TYPE_VLAN
))) {
3194 return parse_8021q_onward(attrs
, present_attrs
, out_of_range_attr
,
3195 expected_attrs
, flow
, key
, key_len
, src_flow
);
3198 flow
->vlan_tci
= htons(0xffff);
3199 if (present_attrs
& (UINT64_C(1) << OVS_KEY_ATTR_VLAN
)) {
3200 flow
->vlan_tci
= nl_attr_get_be16(attrs
[OVS_KEY_ATTR_VLAN
]);
3201 expected_attrs
|= (UINT64_C(1) << OVS_KEY_ATTR_VLAN
);
3204 return parse_l2_5_onward(attrs
, present_attrs
, out_of_range_attr
,
3205 expected_attrs
, flow
, key
, key_len
, src_flow
);
3208 /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
3209 * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
3210 * 'key' fits our expectations for what a flow key should contain.
3212 * The 'in_port' will be the datapath's understanding of the port. The
3213 * caller will need to translate with odp_port_to_ofp_port() if the
3214 * OpenFlow port is needed.
3216 * This function doesn't take the packet itself as an argument because none of
3217 * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
3218 * it is always possible to infer which additional attribute(s) should appear
3219 * by looking at the attributes for lower-level protocols, e.g. if the network
3220 * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
3221 * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
3222 * must be absent. */
3223 enum odp_key_fitness
3224 odp_flow_key_to_flow(const struct nlattr
*key
, size_t key_len
,
3227 return odp_flow_key_to_flow__(key
, key_len
, flow
, flow
);
3230 /* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask
3231 * structure in 'mask'. 'flow' must be a previously translated flow
3232 * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well
3233 * 'key' fits our expectations for what a flow key should contain. */
3234 enum odp_key_fitness
3235 odp_flow_key_to_mask(const struct nlattr
*key
, size_t key_len
,
3236 struct flow
*mask
, const struct flow
*flow
)
3238 return odp_flow_key_to_flow__(key
, key_len
, mask
, flow
);
3241 /* Returns 'fitness' as a string, for use in debug messages. */
3243 odp_key_fitness_to_string(enum odp_key_fitness fitness
)
3246 case ODP_FIT_PERFECT
:
3248 case ODP_FIT_TOO_MUCH
:
3250 case ODP_FIT_TOO_LITTLE
:
3251 return "too_little";
3259 /* Appends an OVS_ACTION_ATTR_USERSPACE action to 'odp_actions' that specifies
3260 * Netlink PID 'pid'. If 'userdata' is nonnull, adds a userdata attribute
3261 * whose contents are the 'userdata_size' bytes at 'userdata' and returns the
3262 * offset within 'odp_actions' of the start of the cookie. (If 'userdata' is
3263 * null, then the return value is not meaningful.) */
3265 odp_put_userspace_action(uint32_t pid
,
3266 const void *userdata
, size_t userdata_size
,
3267 struct ofpbuf
*odp_actions
)
3269 size_t userdata_ofs
;
3272 offset
= nl_msg_start_nested(odp_actions
, OVS_ACTION_ATTR_USERSPACE
);
3273 nl_msg_put_u32(odp_actions
, OVS_USERSPACE_ATTR_PID
, pid
);
3275 userdata_ofs
= odp_actions
->size
+ NLA_HDRLEN
;
3276 nl_msg_put_unspec(odp_actions
, OVS_USERSPACE_ATTR_USERDATA
,
3277 userdata
, userdata_size
);
3281 nl_msg_end_nested(odp_actions
, offset
);
3283 return userdata_ofs
;
3287 odp_put_tunnel_action(const struct flow_tnl
*tunnel
,
3288 struct ofpbuf
*odp_actions
)
3290 size_t offset
= nl_msg_start_nested(odp_actions
, OVS_ACTION_ATTR_SET
);
3291 tun_key_to_attr(odp_actions
, tunnel
);
3292 nl_msg_end_nested(odp_actions
, offset
);
3295 /* The commit_odp_actions() function and its helpers. */
3298 commit_set_action(struct ofpbuf
*odp_actions
, enum ovs_key_attr key_type
,
3299 const void *key
, size_t key_size
)
3301 size_t offset
= nl_msg_start_nested(odp_actions
, OVS_ACTION_ATTR_SET
);
3302 nl_msg_put_unspec(odp_actions
, key_type
, key
, key_size
);
3303 nl_msg_end_nested(odp_actions
, offset
);
3307 odp_put_pkt_mark_action(const uint32_t pkt_mark
,
3308 struct ofpbuf
*odp_actions
)
3310 commit_set_action(odp_actions
, OVS_KEY_ATTR_SKB_MARK
, &pkt_mark
,
3314 /* If any of the flow key data that ODP actions can modify are different in
3315 * 'base->tunnel' and 'flow->tunnel', appends a set_tunnel ODP action to
3316 * 'odp_actions' that change the flow tunneling information in key from
3317 * 'base->tunnel' into 'flow->tunnel', and then changes 'base->tunnel' in the
3318 * same way. In other words, operates the same as commit_odp_actions(), but
3319 * only on tunneling information. */
3321 commit_odp_tunnel_action(const struct flow
*flow
, struct flow
*base
,
3322 struct ofpbuf
*odp_actions
)
3324 /* A valid IPV4_TUNNEL must have non-zero ip_dst. */
3325 if (flow
->tunnel
.ip_dst
) {
3326 if (!memcmp(&base
->tunnel
, &flow
->tunnel
, sizeof base
->tunnel
)) {
3329 memcpy(&base
->tunnel
, &flow
->tunnel
, sizeof base
->tunnel
);
3330 odp_put_tunnel_action(&base
->tunnel
, odp_actions
);
3335 commit_set_ether_addr_action(const struct flow
*flow
, struct flow
*base
,
3336 struct ofpbuf
*odp_actions
,
3337 struct flow_wildcards
*wc
)
3339 struct ovs_key_ethernet eth_key
;
3341 if (eth_addr_equals(base
->dl_src
, flow
->dl_src
) &&
3342 eth_addr_equals(base
->dl_dst
, flow
->dl_dst
)) {
3346 memset(&wc
->masks
.dl_src
, 0xff, sizeof wc
->masks
.dl_src
);
3347 memset(&wc
->masks
.dl_dst
, 0xff, sizeof wc
->masks
.dl_dst
);
3349 memcpy(base
->dl_src
, flow
->dl_src
, ETH_ADDR_LEN
);
3350 memcpy(base
->dl_dst
, flow
->dl_dst
, ETH_ADDR_LEN
);
3352 memcpy(eth_key
.eth_src
, base
->dl_src
, ETH_ADDR_LEN
);
3353 memcpy(eth_key
.eth_dst
, base
->dl_dst
, ETH_ADDR_LEN
);
3355 commit_set_action(odp_actions
, OVS_KEY_ATTR_ETHERNET
,
3356 ð_key
, sizeof(eth_key
));
3360 commit_vlan_action(ovs_be16 vlan_tci
, struct flow
*base
,
3361 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
)
3363 if (base
->vlan_tci
== vlan_tci
) {
3367 memset(&wc
->masks
.vlan_tci
, 0xff, sizeof wc
->masks
.vlan_tci
);
3369 if (base
->vlan_tci
& htons(VLAN_CFI
)) {
3370 nl_msg_put_flag(odp_actions
, OVS_ACTION_ATTR_POP_VLAN
);
3373 if (vlan_tci
& htons(VLAN_CFI
)) {
3374 struct ovs_action_push_vlan vlan
;
3376 vlan
.vlan_tpid
= htons(ETH_TYPE_VLAN
);
3377 vlan
.vlan_tci
= vlan_tci
;
3378 nl_msg_put_unspec(odp_actions
, OVS_ACTION_ATTR_PUSH_VLAN
,
3379 &vlan
, sizeof vlan
);
3381 base
->vlan_tci
= vlan_tci
;
3385 commit_mpls_action(const struct flow
*flow
, struct flow
*base
,
3386 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
,
3387 int *mpls_depth_delta
)
3389 if (flow
->mpls_lse
== base
->mpls_lse
&& !*mpls_depth_delta
) {
3393 memset(&wc
->masks
.mpls_lse
, 0xff, sizeof wc
->masks
.mpls_lse
);
3395 switch (*mpls_depth_delta
) {
3397 nl_msg_put_be16(odp_actions
, OVS_ACTION_ATTR_POP_MPLS
, flow
->dl_type
);
3400 struct ovs_action_push_mpls
*mpls
;
3402 mpls
= nl_msg_put_unspec_uninit(odp_actions
, OVS_ACTION_ATTR_PUSH_MPLS
,
3404 memset(mpls
, 0, sizeof *mpls
);
3405 mpls
->mpls_ethertype
= flow
->dl_type
;
3406 mpls
->mpls_lse
= flow
->mpls_lse
;
3410 struct ovs_key_mpls mpls_key
;
3412 mpls_key
.mpls_lse
= flow
->mpls_lse
;
3413 commit_set_action(odp_actions
, OVS_KEY_ATTR_MPLS
,
3414 &mpls_key
, sizeof(mpls_key
));
3421 base
->dl_type
= flow
->dl_type
;
3422 base
->mpls_lse
= flow
->mpls_lse
;
3423 *mpls_depth_delta
= 0;
3427 commit_set_ipv4_action(const struct flow
*flow
, struct flow
*base
,
3428 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
)
3430 struct ovs_key_ipv4 ipv4_key
;
3432 if (base
->nw_src
== flow
->nw_src
&&
3433 base
->nw_dst
== flow
->nw_dst
&&
3434 base
->nw_tos
== flow
->nw_tos
&&
3435 base
->nw_ttl
== flow
->nw_ttl
&&
3436 base
->nw_frag
== flow
->nw_frag
) {
3440 memset(&wc
->masks
.nw_src
, 0xff, sizeof wc
->masks
.nw_src
);
3441 memset(&wc
->masks
.nw_dst
, 0xff, sizeof wc
->masks
.nw_dst
);
3442 memset(&wc
->masks
.nw_tos
, 0xff, sizeof wc
->masks
.nw_tos
);
3443 memset(&wc
->masks
.nw_ttl
, 0xff, sizeof wc
->masks
.nw_ttl
);
3444 memset(&wc
->masks
.nw_proto
, 0xff, sizeof wc
->masks
.nw_proto
);
3445 memset(&wc
->masks
.nw_frag
, 0xff, sizeof wc
->masks
.nw_frag
);
3447 ipv4_key
.ipv4_src
= base
->nw_src
= flow
->nw_src
;
3448 ipv4_key
.ipv4_dst
= base
->nw_dst
= flow
->nw_dst
;
3449 ipv4_key
.ipv4_tos
= base
->nw_tos
= flow
->nw_tos
;
3450 ipv4_key
.ipv4_ttl
= base
->nw_ttl
= flow
->nw_ttl
;
3451 ipv4_key
.ipv4_proto
= base
->nw_proto
;
3452 ipv4_key
.ipv4_frag
= ovs_to_odp_frag(base
->nw_frag
);
3454 commit_set_action(odp_actions
, OVS_KEY_ATTR_IPV4
,
3455 &ipv4_key
, sizeof(ipv4_key
));
3459 commit_set_ipv6_action(const struct flow
*flow
, struct flow
*base
,
3460 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
)
3462 struct ovs_key_ipv6 ipv6_key
;
3464 if (ipv6_addr_equals(&base
->ipv6_src
, &flow
->ipv6_src
) &&
3465 ipv6_addr_equals(&base
->ipv6_dst
, &flow
->ipv6_dst
) &&
3466 base
->ipv6_label
== flow
->ipv6_label
&&
3467 base
->nw_tos
== flow
->nw_tos
&&
3468 base
->nw_ttl
== flow
->nw_ttl
&&
3469 base
->nw_frag
== flow
->nw_frag
) {
3473 memset(&wc
->masks
.ipv6_src
, 0xff, sizeof wc
->masks
.ipv6_src
);
3474 memset(&wc
->masks
.ipv6_dst
, 0xff, sizeof wc
->masks
.ipv6_dst
);
3475 memset(&wc
->masks
.ipv6_label
, 0xff, sizeof wc
->masks
.ipv6_label
);
3476 memset(&wc
->masks
.nw_tos
, 0xff, sizeof wc
->masks
.nw_tos
);
3477 memset(&wc
->masks
.nw_ttl
, 0xff, sizeof wc
->masks
.nw_ttl
);
3478 memset(&wc
->masks
.nw_proto
, 0xff, sizeof wc
->masks
.nw_proto
);
3479 memset(&wc
->masks
.nw_frag
, 0xff, sizeof wc
->masks
.nw_frag
);
3481 base
->ipv6_src
= flow
->ipv6_src
;
3482 memcpy(&ipv6_key
.ipv6_src
, &base
->ipv6_src
, sizeof(ipv6_key
.ipv6_src
));
3483 base
->ipv6_dst
= flow
->ipv6_dst
;
3484 memcpy(&ipv6_key
.ipv6_dst
, &base
->ipv6_dst
, sizeof(ipv6_key
.ipv6_dst
));
3486 ipv6_key
.ipv6_label
= base
->ipv6_label
= flow
->ipv6_label
;
3487 ipv6_key
.ipv6_tclass
= base
->nw_tos
= flow
->nw_tos
;
3488 ipv6_key
.ipv6_hlimit
= base
->nw_ttl
= flow
->nw_ttl
;
3489 ipv6_key
.ipv6_proto
= base
->nw_proto
;
3490 ipv6_key
.ipv6_frag
= ovs_to_odp_frag(base
->nw_frag
);
3492 commit_set_action(odp_actions
, OVS_KEY_ATTR_IPV6
,
3493 &ipv6_key
, sizeof(ipv6_key
));
3496 static enum slow_path_reason
3497 commit_set_arp_action(const struct flow
*flow
, struct flow
*base
,
3498 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
)
3500 struct ovs_key_arp arp_key
;
3502 if (base
->nw_src
== flow
->nw_src
&&
3503 base
->nw_dst
== flow
->nw_dst
&&
3504 base
->nw_proto
== flow
->nw_proto
&&
3505 eth_addr_equals(base
->arp_sha
, flow
->arp_sha
) &&
3506 eth_addr_equals(base
->arp_tha
, flow
->arp_tha
)) {
3510 memset(&wc
->masks
.nw_src
, 0xff, sizeof wc
->masks
.nw_src
);
3511 memset(&wc
->masks
.nw_dst
, 0xff, sizeof wc
->masks
.nw_dst
);
3512 memset(&wc
->masks
.nw_proto
, 0xff, sizeof wc
->masks
.nw_proto
);
3513 memset(&wc
->masks
.arp_sha
, 0xff, sizeof wc
->masks
.arp_sha
);
3514 memset(&wc
->masks
.arp_tha
, 0xff, sizeof wc
->masks
.arp_tha
);
3516 base
->nw_src
= flow
->nw_src
;
3517 base
->nw_dst
= flow
->nw_dst
;
3518 base
->nw_proto
= flow
->nw_proto
;
3519 memcpy(base
->arp_sha
, flow
->arp_sha
, ETH_ADDR_LEN
);
3520 memcpy(base
->arp_tha
, flow
->arp_tha
, ETH_ADDR_LEN
);
3522 arp_key
.arp_sip
= base
->nw_src
;
3523 arp_key
.arp_tip
= base
->nw_dst
;
3524 arp_key
.arp_op
= htons(base
->nw_proto
);
3525 memcpy(arp_key
.arp_sha
, flow
->arp_sha
, ETH_ADDR_LEN
);
3526 memcpy(arp_key
.arp_tha
, flow
->arp_tha
, ETH_ADDR_LEN
);
3528 commit_set_action(odp_actions
, OVS_KEY_ATTR_ARP
, &arp_key
, sizeof arp_key
);
3533 static enum slow_path_reason
3534 commit_set_nw_action(const struct flow
*flow
, struct flow
*base
,
3535 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
)
3537 /* Check if 'flow' really has an L3 header. */
3538 if (!flow
->nw_proto
) {
3542 switch (ntohs(base
->dl_type
)) {
3544 commit_set_ipv4_action(flow
, base
, odp_actions
, wc
);
3548 commit_set_ipv6_action(flow
, base
, odp_actions
, wc
);
3552 return commit_set_arp_action(flow
, base
, odp_actions
, wc
);
3559 commit_set_port_action(const struct flow
*flow
, struct flow
*base
,
3560 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
)
3562 if (!is_ip_any(base
) || (!base
->tp_src
&& !base
->tp_dst
)) {
3566 if (base
->tp_src
== flow
->tp_src
&&
3567 base
->tp_dst
== flow
->tp_dst
) {
3571 memset(&wc
->masks
.tp_src
, 0xff, sizeof wc
->masks
.tp_src
);
3572 memset(&wc
->masks
.tp_dst
, 0xff, sizeof wc
->masks
.tp_dst
);
3574 if (flow
->nw_proto
== IPPROTO_TCP
) {
3575 struct ovs_key_tcp port_key
;
3577 port_key
.tcp_src
= base
->tp_src
= flow
->tp_src
;
3578 port_key
.tcp_dst
= base
->tp_dst
= flow
->tp_dst
;
3580 commit_set_action(odp_actions
, OVS_KEY_ATTR_TCP
,
3581 &port_key
, sizeof(port_key
));
3583 } else if (flow
->nw_proto
== IPPROTO_UDP
) {
3584 struct ovs_key_udp port_key
;
3586 port_key
.udp_src
= base
->tp_src
= flow
->tp_src
;
3587 port_key
.udp_dst
= base
->tp_dst
= flow
->tp_dst
;
3589 commit_set_action(odp_actions
, OVS_KEY_ATTR_UDP
,
3590 &port_key
, sizeof(port_key
));
3591 } else if (flow
->nw_proto
== IPPROTO_SCTP
) {
3592 struct ovs_key_sctp port_key
;
3594 port_key
.sctp_src
= base
->tp_src
= flow
->tp_src
;
3595 port_key
.sctp_dst
= base
->tp_dst
= flow
->tp_dst
;
3597 commit_set_action(odp_actions
, OVS_KEY_ATTR_SCTP
,
3598 &port_key
, sizeof(port_key
));
3603 commit_set_priority_action(const struct flow
*flow
, struct flow
*base
,
3604 struct ofpbuf
*odp_actions
,
3605 struct flow_wildcards
*wc
)
3607 if (base
->skb_priority
== flow
->skb_priority
) {
3611 memset(&wc
->masks
.skb_priority
, 0xff, sizeof wc
->masks
.skb_priority
);
3612 base
->skb_priority
= flow
->skb_priority
;
3614 commit_set_action(odp_actions
, OVS_KEY_ATTR_PRIORITY
,
3615 &base
->skb_priority
, sizeof(base
->skb_priority
));
3619 commit_set_pkt_mark_action(const struct flow
*flow
, struct flow
*base
,
3620 struct ofpbuf
*odp_actions
,
3621 struct flow_wildcards
*wc
)
3623 if (base
->pkt_mark
== flow
->pkt_mark
) {
3627 memset(&wc
->masks
.pkt_mark
, 0xff, sizeof wc
->masks
.pkt_mark
);
3628 base
->pkt_mark
= flow
->pkt_mark
;
3630 odp_put_pkt_mark_action(base
->pkt_mark
, odp_actions
);
3633 /* If any of the flow key data that ODP actions can modify are different in
3634 * 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
3635 * key from 'base' into 'flow', and then changes 'base' the same way. Does not
3636 * commit set_tunnel actions. Users should call commit_odp_tunnel_action()
3637 * in addition to this function if needed. Sets fields in 'wc' that are
3638 * used as part of the action.
3640 * Returns a reason to force processing the flow's packets into the userspace
3641 * slow path, if there is one, otherwise 0. */
3642 enum slow_path_reason
3643 commit_odp_actions(const struct flow
*flow
, struct flow
*base
,
3644 struct ofpbuf
*odp_actions
, struct flow_wildcards
*wc
,
3645 int *mpls_depth_delta
)
3647 enum slow_path_reason slow
;
3649 commit_set_ether_addr_action(flow
, base
, odp_actions
, wc
);
3650 commit_vlan_action(flow
->vlan_tci
, base
, odp_actions
, wc
);
3651 slow
= commit_set_nw_action(flow
, base
, odp_actions
, wc
);
3652 commit_set_port_action(flow
, base
, odp_actions
, wc
);
3653 /* Committing MPLS actions should occur after committing nw and port
3654 * actions. This is because committing MPLS actions may alter a packet so
3655 * that it is no longer IP and thus nw and port actions are no longer valid.
3657 commit_mpls_action(flow
, base
, odp_actions
, wc
, mpls_depth_delta
);
3658 commit_set_priority_action(flow
, base
, odp_actions
, wc
);
3659 commit_set_pkt_mark_action(flow
, base
, odp_actions
, wc
);