2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 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 "openvswitch/match.h"
21 #include "byte-order.h"
23 #include "openvswitch/dynamic-string.h"
24 #include "openvswitch/ofp-util.h"
26 #include "tun-metadata.h"
28 /* Converts the flow in 'flow' into a match in 'match', with the given
31 match_init(struct match
*match
,
32 const struct flow
*flow
, const struct flow_wildcards
*wc
)
36 match_zero_wildcarded_fields(match
);
37 memset(&match
->tun_md
, 0, sizeof match
->tun_md
);
40 /* Converts a flow into a match. It sets the wildcard masks based on
41 * the packet contents. It will not set the mask for fields that do not
42 * make sense for the packet type. */
44 match_wc_init(struct match
*match
, const struct flow
*flow
)
48 flow_wildcards_init_for_packet(&match
->wc
, flow
);
49 WC_MASK_FIELD(&match
->wc
, regs
);
50 WC_MASK_FIELD(&match
->wc
, metadata
);
52 memset(&match
->tun_md
, 0, sizeof match
->tun_md
);
55 /* Initializes 'match' as a "catch-all" match that matches every packet. */
57 match_init_catchall(struct match
*match
)
59 memset(&match
->flow
, 0, sizeof match
->flow
);
60 flow_wildcards_init_catchall(&match
->wc
);
61 memset(&match
->tun_md
, 0, sizeof match
->tun_md
);
64 /* For each bit or field wildcarded in 'match', sets the corresponding bit or
65 * field in 'flow' to all-0-bits. It is important to maintain this invariant
66 * in a match that might be inserted into a classifier.
68 * It is never necessary to call this function directly for a match that is
69 * initialized or modified only by match_*() functions. It is useful to
70 * restore the invariant in a match whose 'wc' member is modified by hand.
73 match_zero_wildcarded_fields(struct match
*match
)
75 flow_zero_wildcards(&match
->flow
, &match
->wc
);
79 match_set_dp_hash(struct match
*match
, uint32_t value
)
81 match_set_dp_hash_masked(match
, value
, UINT32_MAX
);
85 match_set_dp_hash_masked(struct match
*match
, uint32_t value
, uint32_t mask
)
87 match
->wc
.masks
.dp_hash
= mask
;
88 match
->flow
.dp_hash
= value
& mask
;
92 match_set_recirc_id(struct match
*match
, uint32_t value
)
94 match
->flow
.recirc_id
= value
;
95 match
->wc
.masks
.recirc_id
= UINT32_MAX
;
99 match_set_conj_id(struct match
*match
, uint32_t value
)
101 match
->flow
.conj_id
= value
;
102 match
->wc
.masks
.conj_id
= UINT32_MAX
;
106 match_set_reg(struct match
*match
, unsigned int reg_idx
, uint32_t value
)
108 match_set_reg_masked(match
, reg_idx
, value
, UINT32_MAX
);
112 match_set_reg_masked(struct match
*match
, unsigned int reg_idx
,
113 uint32_t value
, uint32_t mask
)
115 ovs_assert(reg_idx
< FLOW_N_REGS
);
116 flow_wildcards_set_reg_mask(&match
->wc
, reg_idx
, mask
);
117 match
->flow
.regs
[reg_idx
] = value
& mask
;
121 match_set_xreg(struct match
*match
, unsigned int xreg_idx
, uint64_t value
)
123 match_set_xreg_masked(match
, xreg_idx
, value
, UINT64_MAX
);
127 match_set_xreg_masked(struct match
*match
, unsigned int xreg_idx
,
128 uint64_t value
, uint64_t mask
)
130 ovs_assert(xreg_idx
< FLOW_N_XREGS
);
131 flow_wildcards_set_xreg_mask(&match
->wc
, xreg_idx
, mask
);
132 flow_set_xreg(&match
->flow
, xreg_idx
, value
& mask
);
136 match_set_xxreg(struct match
*match
, unsigned int xxreg_idx
, ovs_u128 value
)
138 match_set_xxreg_masked(match
, xxreg_idx
, value
, OVS_U128_MAX
);
142 match_set_xxreg_masked(struct match
*match
, unsigned int xxreg_idx
,
143 ovs_u128 value
, ovs_u128 mask
)
145 ovs_assert(xxreg_idx
< FLOW_N_XXREGS
);
146 flow_wildcards_set_xxreg_mask(&match
->wc
, xxreg_idx
, mask
);
147 flow_set_xxreg(&match
->flow
, xxreg_idx
, ovs_u128_and(value
, mask
));
151 match_set_actset_output(struct match
*match
, ofp_port_t actset_output
)
153 match
->wc
.masks
.actset_output
= u16_to_ofp(UINT16_MAX
);
154 match
->flow
.actset_output
= actset_output
;
158 match_set_metadata(struct match
*match
, ovs_be64 metadata
)
160 match_set_metadata_masked(match
, metadata
, OVS_BE64_MAX
);
164 match_set_metadata_masked(struct match
*match
,
165 ovs_be64 metadata
, ovs_be64 mask
)
167 match
->wc
.masks
.metadata
= mask
;
168 match
->flow
.metadata
= metadata
& mask
;
172 match_set_tun_id(struct match
*match
, ovs_be64 tun_id
)
174 match_set_tun_id_masked(match
, tun_id
, OVS_BE64_MAX
);
178 match_set_tun_id_masked(struct match
*match
, ovs_be64 tun_id
, ovs_be64 mask
)
180 match
->wc
.masks
.tunnel
.tun_id
= mask
;
181 match
->flow
.tunnel
.tun_id
= tun_id
& mask
;
185 match_set_tun_src(struct match
*match
, ovs_be32 src
)
187 match_set_tun_src_masked(match
, src
, OVS_BE32_MAX
);
191 match_set_tun_src_masked(struct match
*match
, ovs_be32 src
, ovs_be32 mask
)
193 match
->wc
.masks
.tunnel
.ip_src
= mask
;
194 match
->flow
.tunnel
.ip_src
= src
& mask
;
198 match_set_tun_dst(struct match
*match
, ovs_be32 dst
)
200 match_set_tun_dst_masked(match
, dst
, OVS_BE32_MAX
);
204 match_set_tun_dst_masked(struct match
*match
, ovs_be32 dst
, ovs_be32 mask
)
206 match
->wc
.masks
.tunnel
.ip_dst
= mask
;
207 match
->flow
.tunnel
.ip_dst
= dst
& mask
;
211 match_set_tun_ipv6_src(struct match
*match
, const struct in6_addr
*src
)
213 match
->flow
.tunnel
.ipv6_src
= *src
;
214 match
->wc
.masks
.tunnel
.ipv6_src
= in6addr_exact
;
218 match_set_tun_ipv6_src_masked(struct match
*match
, const struct in6_addr
*src
,
219 const struct in6_addr
*mask
)
221 match
->flow
.tunnel
.ipv6_src
= ipv6_addr_bitand(src
, mask
);
222 match
->wc
.masks
.tunnel
.ipv6_src
= *mask
;
226 match_set_tun_ipv6_dst(struct match
*match
, const struct in6_addr
*dst
)
228 match
->flow
.tunnel
.ipv6_dst
= *dst
;
229 match
->wc
.masks
.tunnel
.ipv6_dst
= in6addr_exact
;
233 match_set_tun_ipv6_dst_masked(struct match
*match
, const struct in6_addr
*dst
,
234 const struct in6_addr
*mask
)
236 match
->flow
.tunnel
.ipv6_dst
= ipv6_addr_bitand(dst
, mask
);
237 match
->wc
.masks
.tunnel
.ipv6_dst
= *mask
;
241 match_set_tun_ttl(struct match
*match
, uint8_t ttl
)
243 match_set_tun_ttl_masked(match
, ttl
, UINT8_MAX
);
247 match_set_tun_ttl_masked(struct match
*match
, uint8_t ttl
, uint8_t mask
)
249 match
->wc
.masks
.tunnel
.ip_ttl
= mask
;
250 match
->flow
.tunnel
.ip_ttl
= ttl
& mask
;
254 match_set_tun_tos(struct match
*match
, uint8_t tos
)
256 match_set_tun_tos_masked(match
, tos
, UINT8_MAX
);
260 match_set_tun_tos_masked(struct match
*match
, uint8_t tos
, uint8_t mask
)
262 match
->wc
.masks
.tunnel
.ip_tos
= mask
;
263 match
->flow
.tunnel
.ip_tos
= tos
& mask
;
267 match_set_tun_flags(struct match
*match
, uint16_t flags
)
269 match_set_tun_flags_masked(match
, flags
, UINT16_MAX
);
273 match_set_tun_flags_masked(struct match
*match
, uint16_t flags
, uint16_t mask
)
275 mask
&= FLOW_TNL_PUB_F_MASK
;
277 match
->wc
.masks
.tunnel
.flags
= mask
;
278 match
->flow
.tunnel
.flags
= flags
& mask
;
282 match_set_tun_gbp_id_masked(struct match
*match
, ovs_be16 gbp_id
, ovs_be16 mask
)
284 match
->wc
.masks
.tunnel
.gbp_id
= mask
;
285 match
->flow
.tunnel
.gbp_id
= gbp_id
& mask
;
289 match_set_tun_gbp_id(struct match
*match
, ovs_be16 gbp_id
)
291 match_set_tun_gbp_id_masked(match
, gbp_id
, OVS_BE16_MAX
);
295 match_set_tun_gbp_flags_masked(struct match
*match
, uint8_t flags
, uint8_t mask
)
297 match
->wc
.masks
.tunnel
.gbp_flags
= mask
;
298 match
->flow
.tunnel
.gbp_flags
= flags
& mask
;
302 match_set_tun_gbp_flags(struct match
*match
, uint8_t flags
)
304 match_set_tun_gbp_flags_masked(match
, flags
, UINT8_MAX
);
308 match_set_in_port(struct match
*match
, ofp_port_t ofp_port
)
310 match
->wc
.masks
.in_port
.ofp_port
= u16_to_ofp(UINT16_MAX
);
311 match
->flow
.in_port
.ofp_port
= ofp_port
;
315 match_set_skb_priority(struct match
*match
, uint32_t skb_priority
)
317 match
->wc
.masks
.skb_priority
= UINT32_MAX
;
318 match
->flow
.skb_priority
= skb_priority
;
322 match_set_pkt_mark(struct match
*match
, uint32_t pkt_mark
)
324 match_set_pkt_mark_masked(match
, pkt_mark
, UINT32_MAX
);
328 match_set_pkt_mark_masked(struct match
*match
, uint32_t pkt_mark
, uint32_t mask
)
330 match
->flow
.pkt_mark
= pkt_mark
& mask
;
331 match
->wc
.masks
.pkt_mark
= mask
;
335 match_set_ct_state(struct match
*match
, uint32_t ct_state
)
337 match_set_ct_state_masked(match
, ct_state
, UINT32_MAX
);
341 match_set_ct_state_masked(struct match
*match
, uint32_t ct_state
, uint32_t mask
)
343 match
->flow
.ct_state
= ct_state
& mask
& UINT16_MAX
;
344 match
->wc
.masks
.ct_state
= mask
& UINT16_MAX
;
348 match_set_ct_zone(struct match
*match
, uint16_t ct_zone
)
350 match
->flow
.ct_zone
= ct_zone
;
351 match
->wc
.masks
.ct_zone
= UINT16_MAX
;
355 match_set_ct_mark(struct match
*match
, uint32_t ct_mark
)
357 match_set_ct_mark_masked(match
, ct_mark
, UINT32_MAX
);
361 match_set_ct_mark_masked(struct match
*match
, uint32_t ct_mark
,
364 match
->flow
.ct_mark
= ct_mark
& mask
;
365 match
->wc
.masks
.ct_mark
= mask
;
369 match_set_ct_label(struct match
*match
, ovs_u128 ct_label
)
373 mask
.u64
.lo
= UINT64_MAX
;
374 mask
.u64
.hi
= UINT64_MAX
;
375 match_set_ct_label_masked(match
, ct_label
, mask
);
379 match_set_ct_label_masked(struct match
*match
, ovs_u128 value
, ovs_u128 mask
)
381 match
->flow
.ct_label
.u64
.lo
= value
.u64
.lo
& mask
.u64
.lo
;
382 match
->flow
.ct_label
.u64
.hi
= value
.u64
.hi
& mask
.u64
.hi
;
383 match
->wc
.masks
.ct_label
= mask
;
387 match_set_dl_type(struct match
*match
, ovs_be16 dl_type
)
389 match
->wc
.masks
.dl_type
= OVS_BE16_MAX
;
390 match
->flow
.dl_type
= dl_type
;
393 /* Modifies 'value_src' so that the Ethernet address must match 'value_dst'
394 * exactly. 'mask_dst' is set to all 1s. */
396 set_eth(const struct eth_addr value_src
,
397 struct eth_addr
*value_dst
,
398 struct eth_addr
*mask_dst
)
400 *value_dst
= value_src
;
401 *mask_dst
= eth_addr_exact
;
404 /* Modifies 'value_src' so that the Ethernet address must match 'value_src'
405 * after each byte is ANDed with the appropriate byte in 'mask_src'.
406 * 'mask_dst' is set to 'mask_src' */
408 set_eth_masked(const struct eth_addr value_src
,
409 const struct eth_addr mask_src
,
410 struct eth_addr
*value_dst
, struct eth_addr
*mask_dst
)
414 for (i
= 0; i
< ARRAY_SIZE(value_dst
->be16
); i
++) {
415 value_dst
->be16
[i
] = value_src
.be16
[i
] & mask_src
.be16
[i
];
417 *mask_dst
= mask_src
;
420 /* Modifies 'rule' so that the source Ethernet address must match 'dl_src'
423 match_set_dl_src(struct match
*match
, const struct eth_addr dl_src
)
425 set_eth(dl_src
, &match
->flow
.dl_src
, &match
->wc
.masks
.dl_src
);
428 /* Modifies 'rule' so that the source Ethernet address must match 'dl_src'
429 * after each byte is ANDed with the appropriate byte in 'mask'. */
431 match_set_dl_src_masked(struct match
*match
,
432 const struct eth_addr dl_src
,
433 const struct eth_addr mask
)
435 set_eth_masked(dl_src
, mask
, &match
->flow
.dl_src
, &match
->wc
.masks
.dl_src
);
438 /* Modifies 'match' so that the Ethernet address must match 'dl_dst'
441 match_set_dl_dst(struct match
*match
, const struct eth_addr dl_dst
)
443 set_eth(dl_dst
, &match
->flow
.dl_dst
, &match
->wc
.masks
.dl_dst
);
446 /* Modifies 'match' so that the Ethernet address must match 'dl_dst' after each
447 * byte is ANDed with the appropriate byte in 'mask'.
449 * This function will assert-fail if 'mask' is invalid. Only 'mask' values
450 * accepted by flow_wildcards_is_dl_dst_mask_valid() are allowed. */
452 match_set_dl_dst_masked(struct match
*match
,
453 const struct eth_addr dl_dst
,
454 const struct eth_addr mask
)
456 set_eth_masked(dl_dst
, mask
, &match
->flow
.dl_dst
, &match
->wc
.masks
.dl_dst
);
460 match_set_dl_tci(struct match
*match
, ovs_be16 tci
)
462 match_set_dl_tci_masked(match
, tci
, htons(0xffff));
466 match_set_dl_tci_masked(struct match
*match
, ovs_be16 tci
, ovs_be16 mask
)
468 match
->flow
.vlan_tci
= tci
& mask
;
469 match
->wc
.masks
.vlan_tci
= mask
;
472 /* Modifies 'match' so that the VLAN VID is wildcarded. If the PCP is already
473 * wildcarded, then 'match' will match a packet regardless of whether it has an
474 * 802.1Q header or not. */
476 match_set_any_vid(struct match
*match
)
478 if (match
->wc
.masks
.vlan_tci
& htons(VLAN_PCP_MASK
)) {
479 match
->wc
.masks
.vlan_tci
&= ~htons(VLAN_VID_MASK
);
480 match
->flow
.vlan_tci
&= ~htons(VLAN_VID_MASK
);
482 match_set_dl_tci_masked(match
, htons(0), htons(0));
486 /* Modifies 'match' depending on 'dl_vlan':
488 * - If 'dl_vlan' is htons(OFP_VLAN_NONE), makes 'match' match only packets
489 * without an 802.1Q header.
491 * - Otherwise, makes 'match' match only packets with an 802.1Q header whose
492 * VID equals the low 12 bits of 'dl_vlan'.
495 match_set_dl_vlan(struct match
*match
, ovs_be16 dl_vlan
)
497 flow_set_dl_vlan(&match
->flow
, dl_vlan
);
498 if (dl_vlan
== htons(OFP10_VLAN_NONE
)) {
499 match
->wc
.masks
.vlan_tci
= OVS_BE16_MAX
;
501 match
->wc
.masks
.vlan_tci
|= htons(VLAN_VID_MASK
| VLAN_CFI
);
505 /* Sets the VLAN VID that 'match' matches to 'vid', which is interpreted as an
506 * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID
509 match_set_vlan_vid(struct match
*match
, ovs_be16 vid
)
511 match_set_vlan_vid_masked(match
, vid
, htons(VLAN_VID_MASK
| VLAN_CFI
));
515 /* Sets the VLAN VID that 'flow' matches to 'vid', which is interpreted as an
516 * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID
517 * plus CFI), with the corresponding 'mask'. */
519 match_set_vlan_vid_masked(struct match
*match
, ovs_be16 vid
, ovs_be16 mask
)
521 ovs_be16 pcp_mask
= htons(VLAN_PCP_MASK
);
522 ovs_be16 vid_mask
= htons(VLAN_VID_MASK
| VLAN_CFI
);
525 flow_set_vlan_vid(&match
->flow
, vid
& mask
);
526 match
->wc
.masks
.vlan_tci
= mask
| (match
->wc
.masks
.vlan_tci
& pcp_mask
);
529 /* Modifies 'match' so that the VLAN PCP is wildcarded. If the VID is already
530 * wildcarded, then 'match' will match a packet regardless of whether it has an
531 * 802.1Q header or not. */
533 match_set_any_pcp(struct match
*match
)
535 if (match
->wc
.masks
.vlan_tci
& htons(VLAN_VID_MASK
)) {
536 match
->wc
.masks
.vlan_tci
&= ~htons(VLAN_PCP_MASK
);
537 match
->flow
.vlan_tci
&= ~htons(VLAN_PCP_MASK
);
539 match_set_dl_tci_masked(match
, htons(0), htons(0));
543 /* Modifies 'match' so that it matches only packets with an 802.1Q header whose
544 * PCP equals the low 3 bits of 'dl_vlan_pcp'. */
546 match_set_dl_vlan_pcp(struct match
*match
, uint8_t dl_vlan_pcp
)
548 flow_set_vlan_pcp(&match
->flow
, dl_vlan_pcp
);
549 match
->wc
.masks
.vlan_tci
|= htons(VLAN_CFI
| VLAN_PCP_MASK
);
552 /* Modifies 'match' so that the MPLS label 'idx' matches 'lse' exactly. */
554 match_set_mpls_lse(struct match
*match
, int idx
, ovs_be32 lse
)
556 match
->wc
.masks
.mpls_lse
[idx
] = OVS_BE32_MAX
;
557 match
->flow
.mpls_lse
[idx
] = lse
;
560 /* Modifies 'match' so that the MPLS label is wildcarded. */
562 match_set_any_mpls_label(struct match
*match
, int idx
)
564 match
->wc
.masks
.mpls_lse
[idx
] &= ~htonl(MPLS_LABEL_MASK
);
565 flow_set_mpls_label(&match
->flow
, idx
, htonl(0));
568 /* Modifies 'match' so that it matches only packets with an MPLS header whose
569 * label equals the low 20 bits of 'mpls_label'. */
571 match_set_mpls_label(struct match
*match
, int idx
, ovs_be32 mpls_label
)
573 match
->wc
.masks
.mpls_lse
[idx
] |= htonl(MPLS_LABEL_MASK
);
574 flow_set_mpls_label(&match
->flow
, idx
, mpls_label
);
577 /* Modifies 'match' so that the MPLS TC is wildcarded. */
579 match_set_any_mpls_tc(struct match
*match
, int idx
)
581 match
->wc
.masks
.mpls_lse
[idx
] &= ~htonl(MPLS_TC_MASK
);
582 flow_set_mpls_tc(&match
->flow
, idx
, 0);
585 /* Modifies 'match' so that it matches only packets with an MPLS header whose
586 * Traffic Class equals the low 3 bits of 'mpls_tc'. */
588 match_set_mpls_tc(struct match
*match
, int idx
, uint8_t mpls_tc
)
590 match
->wc
.masks
.mpls_lse
[idx
] |= htonl(MPLS_TC_MASK
);
591 flow_set_mpls_tc(&match
->flow
, idx
, mpls_tc
);
594 /* Modifies 'match' so that the MPLS stack flag is wildcarded. */
596 match_set_any_mpls_bos(struct match
*match
, int idx
)
598 match
->wc
.masks
.mpls_lse
[idx
] &= ~htonl(MPLS_BOS_MASK
);
599 flow_set_mpls_bos(&match
->flow
, idx
, 0);
602 /* Modifies 'match' so that it matches only packets with an MPLS header whose
603 * Stack Flag equals the lower bit of 'mpls_bos' */
605 match_set_mpls_bos(struct match
*match
, int idx
, uint8_t mpls_bos
)
607 match
->wc
.masks
.mpls_lse
[idx
] |= htonl(MPLS_BOS_MASK
);
608 flow_set_mpls_bos(&match
->flow
, idx
, mpls_bos
);
611 /* Modifies 'match' so that the TTL of MPLS label 'idx' is wildcarded. */
613 match_set_any_mpls_ttl(struct match
*match
, int idx
)
615 match
->wc
.masks
.mpls_lse
[idx
] &= ~htonl(MPLS_TTL_MASK
);
616 flow_set_mpls_ttl(&match
->flow
, idx
, 0);
619 /* Modifies 'match' so that it matches only packets in which the TTL of MPLS
620 * label 'idx' equals 'mpls_ttl'. */
622 match_set_mpls_ttl(struct match
*match
, int idx
, uint8_t mpls_ttl
)
624 match
->wc
.masks
.mpls_lse
[idx
] |= htonl(MPLS_TTL_MASK
);
625 flow_set_mpls_ttl(&match
->flow
, idx
, mpls_ttl
);
628 /* Modifies 'match' so that the MPLS LSE is wildcarded. */
630 match_set_any_mpls_lse(struct match
*match
, int idx
)
632 match
->wc
.masks
.mpls_lse
[idx
] = htonl(0);
633 flow_set_mpls_lse(&match
->flow
, idx
, htonl(0));
637 match_set_tp_src(struct match
*match
, ovs_be16 tp_src
)
639 match_set_tp_src_masked(match
, tp_src
, OVS_BE16_MAX
);
643 match_set_tp_src_masked(struct match
*match
, ovs_be16 port
, ovs_be16 mask
)
645 match
->flow
.tp_src
= port
& mask
;
646 match
->wc
.masks
.tp_src
= mask
;
650 match_set_tp_dst(struct match
*match
, ovs_be16 tp_dst
)
652 match_set_tp_dst_masked(match
, tp_dst
, OVS_BE16_MAX
);
656 match_set_tp_dst_masked(struct match
*match
, ovs_be16 port
, ovs_be16 mask
)
658 match
->flow
.tp_dst
= port
& mask
;
659 match
->wc
.masks
.tp_dst
= mask
;
663 match_set_tcp_flags(struct match
*match
, ovs_be16 flags
)
665 match_set_tcp_flags_masked(match
, flags
, OVS_BE16_MAX
);
669 match_set_tcp_flags_masked(struct match
*match
, ovs_be16 flags
, ovs_be16 mask
)
671 match
->flow
.tcp_flags
= flags
& mask
;
672 match
->wc
.masks
.tcp_flags
= mask
;
676 match_set_nw_proto(struct match
*match
, uint8_t nw_proto
)
678 match
->flow
.nw_proto
= nw_proto
;
679 match
->wc
.masks
.nw_proto
= UINT8_MAX
;
683 match_set_nw_src(struct match
*match
, ovs_be32 nw_src
)
685 match
->flow
.nw_src
= nw_src
;
686 match
->wc
.masks
.nw_src
= OVS_BE32_MAX
;
690 match_set_nw_src_masked(struct match
*match
,
691 ovs_be32 nw_src
, ovs_be32 mask
)
693 match
->flow
.nw_src
= nw_src
& mask
;
694 match
->wc
.masks
.nw_src
= mask
;
698 match_set_nw_dst(struct match
*match
, ovs_be32 nw_dst
)
700 match
->flow
.nw_dst
= nw_dst
;
701 match
->wc
.masks
.nw_dst
= OVS_BE32_MAX
;
705 match_set_nw_dst_masked(struct match
*match
, ovs_be32 ip
, ovs_be32 mask
)
707 match
->flow
.nw_dst
= ip
& mask
;
708 match
->wc
.masks
.nw_dst
= mask
;
712 match_set_nw_dscp(struct match
*match
, uint8_t nw_dscp
)
714 match
->wc
.masks
.nw_tos
|= IP_DSCP_MASK
;
715 match
->flow
.nw_tos
&= ~IP_DSCP_MASK
;
716 match
->flow
.nw_tos
|= nw_dscp
& IP_DSCP_MASK
;
720 match_set_nw_ecn(struct match
*match
, uint8_t nw_ecn
)
722 match
->wc
.masks
.nw_tos
|= IP_ECN_MASK
;
723 match
->flow
.nw_tos
&= ~IP_ECN_MASK
;
724 match
->flow
.nw_tos
|= nw_ecn
& IP_ECN_MASK
;
728 match_set_nw_ttl(struct match
*match
, uint8_t nw_ttl
)
730 match
->wc
.masks
.nw_ttl
= UINT8_MAX
;
731 match
->flow
.nw_ttl
= nw_ttl
;
735 match_set_nw_frag(struct match
*match
, uint8_t nw_frag
)
737 match
->wc
.masks
.nw_frag
|= FLOW_NW_FRAG_MASK
;
738 match
->flow
.nw_frag
= nw_frag
;
742 match_set_nw_frag_masked(struct match
*match
,
743 uint8_t nw_frag
, uint8_t mask
)
745 match
->flow
.nw_frag
= nw_frag
& mask
;
746 match
->wc
.masks
.nw_frag
= mask
;
750 match_set_icmp_type(struct match
*match
, uint8_t icmp_type
)
752 match_set_tp_src(match
, htons(icmp_type
));
756 match_set_icmp_code(struct match
*match
, uint8_t icmp_code
)
758 match_set_tp_dst(match
, htons(icmp_code
));
762 match_set_arp_sha(struct match
*match
, const struct eth_addr sha
)
764 match
->flow
.arp_sha
= sha
;
765 match
->wc
.masks
.arp_sha
= eth_addr_exact
;
769 match_set_arp_sha_masked(struct match
*match
,
770 const struct eth_addr arp_sha
,
771 const struct eth_addr mask
)
773 set_eth_masked(arp_sha
, mask
,
774 &match
->flow
.arp_sha
, &match
->wc
.masks
.arp_sha
);
778 match_set_arp_tha(struct match
*match
, const struct eth_addr tha
)
780 match
->flow
.arp_tha
= tha
;
781 match
->wc
.masks
.arp_tha
= eth_addr_exact
;
785 match_set_arp_tha_masked(struct match
*match
,
786 const struct eth_addr arp_tha
,
787 const struct eth_addr mask
)
789 set_eth_masked(arp_tha
, mask
,
790 &match
->flow
.arp_tha
, &match
->wc
.masks
.arp_tha
);
794 match_set_ipv6_src(struct match
*match
, const struct in6_addr
*src
)
796 match
->flow
.ipv6_src
= *src
;
797 match
->wc
.masks
.ipv6_src
= in6addr_exact
;
801 match_set_ipv6_src_masked(struct match
*match
, const struct in6_addr
*src
,
802 const struct in6_addr
*mask
)
804 match
->flow
.ipv6_src
= ipv6_addr_bitand(src
, mask
);
805 match
->wc
.masks
.ipv6_src
= *mask
;
809 match_set_ipv6_dst(struct match
*match
, const struct in6_addr
*dst
)
811 match
->flow
.ipv6_dst
= *dst
;
812 match
->wc
.masks
.ipv6_dst
= in6addr_exact
;
816 match_set_ipv6_dst_masked(struct match
*match
, const struct in6_addr
*dst
,
817 const struct in6_addr
*mask
)
819 match
->flow
.ipv6_dst
= ipv6_addr_bitand(dst
, mask
);
820 match
->wc
.masks
.ipv6_dst
= *mask
;
824 match_set_ipv6_label(struct match
*match
, ovs_be32 ipv6_label
)
826 match
->wc
.masks
.ipv6_label
= OVS_BE32_MAX
;
827 match
->flow
.ipv6_label
= ipv6_label
;
832 match_set_ipv6_label_masked(struct match
*match
, ovs_be32 ipv6_label
,
835 match
->flow
.ipv6_label
= ipv6_label
& mask
;
836 match
->wc
.masks
.ipv6_label
= mask
;
840 match_set_nd_target(struct match
*match
, const struct in6_addr
*target
)
842 match
->flow
.nd_target
= *target
;
843 match
->wc
.masks
.nd_target
= in6addr_exact
;
847 match_set_nd_target_masked(struct match
*match
,
848 const struct in6_addr
*target
,
849 const struct in6_addr
*mask
)
851 match
->flow
.nd_target
= ipv6_addr_bitand(target
, mask
);
852 match
->wc
.masks
.nd_target
= *mask
;
855 /* Returns true if 'a' and 'b' wildcard the same fields and have the same
856 * values for fixed fields, otherwise false. */
858 match_equal(const struct match
*a
, const struct match
*b
)
860 return (flow_wildcards_equal(&a
->wc
, &b
->wc
)
861 && flow_equal(&a
->flow
, &b
->flow
));
864 /* Returns a hash value for the flow and wildcards in 'match', starting from
867 match_hash(const struct match
*match
, uint32_t basis
)
869 return flow_wildcards_hash(&match
->wc
, flow_hash(&match
->flow
, basis
));
873 match_has_default_recirc_id(const struct match
*m
)
875 return m
->flow
.recirc_id
== 0 && (m
->wc
.masks
.recirc_id
== UINT32_MAX
||
876 m
->wc
.masks
.recirc_id
== 0);
880 match_has_default_dp_hash(const struct match
*m
)
882 return ((m
->flow
.dp_hash
| m
->wc
.masks
.dp_hash
) == 0);
885 /* Return true if the hidden fields of the match are set to the default values.
886 * The default values equals to those set up by match_init_hidden_fields(). */
888 match_has_default_hidden_fields(const struct match
*m
)
890 return match_has_default_recirc_id(m
) && match_has_default_dp_hash(m
);
894 match_init_hidden_fields(struct match
*m
)
896 match_set_recirc_id(m
, 0);
897 match_set_dp_hash_masked(m
, 0, 0);
901 format_eth_masked(struct ds
*s
, const char *name
,
902 const struct eth_addr eth
, const struct eth_addr mask
)
904 if (!eth_addr_is_zero(mask
)) {
905 ds_put_format(s
, "%s%s=%s", colors
.param
, name
, colors
.end
);
906 eth_format_masked(eth
, &mask
, s
);
912 format_ip_netmask(struct ds
*s
, const char *name
, ovs_be32 ip
,
916 ds_put_format(s
, "%s%s=%s", colors
.param
, name
, colors
.end
);
917 ip_format_masked(ip
, netmask
, s
);
923 format_ipv6_netmask(struct ds
*s
, const char *name
,
924 const struct in6_addr
*addr
,
925 const struct in6_addr
*netmask
)
927 if (!ipv6_mask_is_any(netmask
)) {
928 ds_put_format(s
, "%s%s=%s", colors
.param
, name
, colors
.end
);
929 ipv6_format_masked(addr
, netmask
, s
);
935 format_uint16_masked(struct ds
*s
, const char *name
,
936 uint16_t value
, uint16_t mask
)
939 ds_put_format(s
, "%s%s=%s", colors
.param
, name
, colors
.end
);
940 if (mask
== UINT16_MAX
) {
941 ds_put_format(s
, "%"PRIu16
, value
);
943 ds_put_format(s
, "0x%"PRIx16
"/0x%"PRIx16
, value
, mask
);
950 format_be16_masked(struct ds
*s
, const char *name
,
951 ovs_be16 value
, ovs_be16 mask
)
953 if (mask
!= htons(0)) {
954 ds_put_format(s
, "%s%s=%s", colors
.param
, name
, colors
.end
);
955 if (mask
== OVS_BE16_MAX
) {
956 ds_put_format(s
, "%"PRIu16
, ntohs(value
));
958 ds_put_format(s
, "0x%"PRIx16
"/0x%"PRIx16
,
959 ntohs(value
), ntohs(mask
));
966 format_be32_masked(struct ds
*s
, const char *name
,
967 ovs_be32 value
, ovs_be32 mask
)
969 if (mask
!= htonl(0)) {
970 ds_put_format(s
, "%s%s=%s", colors
.param
, name
, colors
.end
);
971 if (mask
== OVS_BE32_MAX
) {
972 ds_put_format(s
, "%"PRIu32
, ntohl(value
));
974 ds_put_format(s
, "0x%"PRIx32
"/0x%"PRIx32
,
975 ntohl(value
), ntohl(mask
));
982 format_uint32_masked(struct ds
*s
, const char *name
,
983 uint32_t value
, uint32_t mask
)
986 ds_put_format(s
, "%s%s=%s%#"PRIx32
,
987 colors
.param
, name
, colors
.end
, value
);
988 if (mask
!= UINT32_MAX
) {
989 ds_put_format(s
, "/%#"PRIx32
, mask
);
996 format_be64_masked(struct ds
*s
, const char *name
,
997 ovs_be64 value
, ovs_be64 mask
)
999 if (mask
!= htonll(0)) {
1000 ds_put_format(s
, "%s%s=%s%#"PRIx64
,
1001 colors
.param
, name
, colors
.end
, ntohll(value
));
1002 if (mask
!= OVS_BE64_MAX
) {
1003 ds_put_format(s
, "/%#"PRIx64
, ntohll(mask
));
1005 ds_put_char(s
, ',');
1010 format_flow_tunnel(struct ds
*s
, const struct match
*match
)
1012 const struct flow_wildcards
*wc
= &match
->wc
;
1013 const struct flow_tnl
*tnl
= &match
->flow
.tunnel
;
1015 format_be64_masked(s
, "tun_id", tnl
->tun_id
, wc
->masks
.tunnel
.tun_id
);
1016 format_ip_netmask(s
, "tun_src", tnl
->ip_src
, wc
->masks
.tunnel
.ip_src
);
1017 format_ip_netmask(s
, "tun_dst", tnl
->ip_dst
, wc
->masks
.tunnel
.ip_dst
);
1018 format_ipv6_netmask(s
, "tun_ipv6_src", &tnl
->ipv6_src
,
1019 &wc
->masks
.tunnel
.ipv6_src
);
1020 format_ipv6_netmask(s
, "tun_ipv6_dst", &tnl
->ipv6_dst
,
1021 &wc
->masks
.tunnel
.ipv6_dst
);
1023 if (wc
->masks
.tunnel
.gbp_id
) {
1024 format_be16_masked(s
, "tun_gbp_id", tnl
->gbp_id
,
1025 wc
->masks
.tunnel
.gbp_id
);
1028 if (wc
->masks
.tunnel
.gbp_flags
) {
1029 ds_put_format(s
, "tun_gbp_flags=%#"PRIx8
",", tnl
->gbp_flags
);
1032 if (wc
->masks
.tunnel
.ip_tos
) {
1033 ds_put_format(s
, "tun_tos=%"PRIx8
",", tnl
->ip_tos
);
1035 if (wc
->masks
.tunnel
.ip_ttl
) {
1036 ds_put_format(s
, "tun_ttl=%"PRIu8
",", tnl
->ip_ttl
);
1038 if (wc
->masks
.tunnel
.flags
& FLOW_TNL_F_MASK
) {
1039 format_flags_masked(s
, "tun_flags", flow_tun_flag_to_string
,
1040 tnl
->flags
& FLOW_TNL_F_MASK
,
1041 wc
->masks
.tunnel
.flags
& FLOW_TNL_F_MASK
,
1043 ds_put_char(s
, ',');
1045 tun_metadata_match_format(s
, match
);
1049 format_ct_label_masked(struct ds
*s
, const ovs_u128
*key
, const ovs_u128
*mask
)
1051 if (!ovs_u128_is_zero(*mask
)) {
1052 ovs_be128 value
= hton128(*key
);
1053 ds_put_format(s
, "%sct_label=%s", colors
.param
, colors
.end
);
1054 ds_put_hex(s
, &value
, sizeof value
);
1055 if (!is_all_ones(mask
, sizeof(*mask
))) {
1056 value
= hton128(*mask
);
1057 ds_put_char(s
, '/');
1058 ds_put_hex(s
, &value
, sizeof value
);
1060 ds_put_char(s
, ',');
1064 /* Appends a string representation of 'match' to 's'. If 'priority' is
1065 * different from OFP_DEFAULT_PRIORITY, includes it in 's'. */
1067 match_format(const struct match
*match
, struct ds
*s
, int priority
)
1069 const struct flow_wildcards
*wc
= &match
->wc
;
1070 size_t start_len
= s
->length
;
1071 const struct flow
*f
= &match
->flow
;
1072 bool skip_type
= false;
1074 bool skip_proto
= false;
1078 BUILD_ASSERT_DECL(FLOW_WC_SEQ
== 36);
1080 if (priority
!= OFP_DEFAULT_PRIORITY
) {
1081 ds_put_format(s
, "%spriority=%s%d,",
1082 colors
.special
, colors
.end
, priority
);
1085 format_uint32_masked(s
, "pkt_mark", f
->pkt_mark
, wc
->masks
.pkt_mark
);
1087 if (wc
->masks
.recirc_id
) {
1088 format_uint32_masked(s
, "recirc_id", f
->recirc_id
,
1089 wc
->masks
.recirc_id
);
1092 if (wc
->masks
.dp_hash
) {
1093 format_uint32_masked(s
, "dp_hash", f
->dp_hash
,
1097 if (wc
->masks
.conj_id
) {
1098 ds_put_format(s
, "%sconj_id%s=%"PRIu32
",",
1099 colors
.param
, colors
.end
, f
->conj_id
);
1102 if (wc
->masks
.skb_priority
) {
1103 ds_put_format(s
, "%sskb_priority=%s%#"PRIx32
",",
1104 colors
.param
, colors
.end
, f
->skb_priority
);
1107 if (wc
->masks
.actset_output
) {
1108 ds_put_format(s
, "%sactset_output=%s", colors
.param
, colors
.end
);
1109 ofputil_format_port(f
->actset_output
, s
);
1110 ds_put_char(s
, ',');
1113 if (wc
->masks
.ct_state
) {
1114 if (wc
->masks
.ct_state
== UINT16_MAX
) {
1115 ds_put_format(s
, "%sct_state=%s", colors
.param
, colors
.end
);
1117 format_flags(s
, ct_state_to_string
, f
->ct_state
, '|');
1119 ds_put_cstr(s
, "0"); /* No state. */
1122 format_flags_masked(s
, "ct_state", ct_state_to_string
,
1123 f
->ct_state
, wc
->masks
.ct_state
, UINT16_MAX
);
1125 ds_put_char(s
, ',');
1128 if (wc
->masks
.ct_zone
) {
1129 format_uint16_masked(s
, "ct_zone", f
->ct_zone
, wc
->masks
.ct_zone
);
1132 if (wc
->masks
.ct_mark
) {
1133 format_uint32_masked(s
, "ct_mark", f
->ct_mark
, wc
->masks
.ct_mark
);
1136 if (!ovs_u128_is_zero(wc
->masks
.ct_label
)) {
1137 format_ct_label_masked(s
, &f
->ct_label
, &wc
->masks
.ct_label
);
1140 if (wc
->masks
.dl_type
) {
1142 if (f
->dl_type
== htons(ETH_TYPE_IP
)) {
1143 if (wc
->masks
.nw_proto
) {
1145 if (f
->nw_proto
== IPPROTO_ICMP
) {
1146 ds_put_format(s
, "%sicmp%s,", colors
.value
, colors
.end
);
1147 } else if (f
->nw_proto
== IPPROTO_IGMP
) {
1148 ds_put_format(s
, "%sigmp%s,", colors
.value
, colors
.end
);
1149 } else if (f
->nw_proto
== IPPROTO_TCP
) {
1150 ds_put_format(s
, "%stcp%s,", colors
.value
, colors
.end
);
1151 } else if (f
->nw_proto
== IPPROTO_UDP
) {
1152 ds_put_format(s
, "%sudp%s,", colors
.value
, colors
.end
);
1153 } else if (f
->nw_proto
== IPPROTO_SCTP
) {
1154 ds_put_format(s
, "%ssctp%s,", colors
.value
, colors
.end
);
1156 ds_put_format(s
, "%sip%s,", colors
.value
, colors
.end
);
1160 ds_put_format(s
, "%sip%s,", colors
.value
, colors
.end
);
1162 } else if (f
->dl_type
== htons(ETH_TYPE_IPV6
)) {
1163 if (wc
->masks
.nw_proto
) {
1165 if (f
->nw_proto
== IPPROTO_ICMPV6
) {
1166 ds_put_format(s
, "%sicmp6%s,", colors
.value
, colors
.end
);
1167 } else if (f
->nw_proto
== IPPROTO_TCP
) {
1168 ds_put_format(s
, "%stcp6%s,", colors
.value
, colors
.end
);
1169 } else if (f
->nw_proto
== IPPROTO_UDP
) {
1170 ds_put_format(s
, "%sudp6%s,", colors
.value
, colors
.end
);
1171 } else if (f
->nw_proto
== IPPROTO_SCTP
) {
1172 ds_put_format(s
, "%ssctp6%s,", colors
.value
, colors
.end
);
1174 ds_put_format(s
, "%sipv6%s,", colors
.value
, colors
.end
);
1178 ds_put_format(s
, "%sipv6%s,", colors
.value
, colors
.end
);
1180 } else if (f
->dl_type
== htons(ETH_TYPE_ARP
)) {
1181 ds_put_format(s
, "%sarp%s,", colors
.value
, colors
.end
);
1182 } else if (f
->dl_type
== htons(ETH_TYPE_RARP
)) {
1183 ds_put_format(s
, "%srarp%s,", colors
.value
, colors
.end
);
1184 } else if (f
->dl_type
== htons(ETH_TYPE_MPLS
)) {
1185 ds_put_format(s
, "%smpls%s,", colors
.value
, colors
.end
);
1186 } else if (f
->dl_type
== htons(ETH_TYPE_MPLS_MCAST
)) {
1187 ds_put_format(s
, "%smplsm%s,", colors
.value
, colors
.end
);
1192 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
1193 #define REGNAME_LEN 20
1194 char regname
[REGNAME_LEN
];
1195 if (snprintf(regname
, REGNAME_LEN
, "reg%d", i
) >= REGNAME_LEN
) {
1196 strcpy(regname
, "reg?");
1198 format_uint32_masked(s
, regname
, f
->regs
[i
], wc
->masks
.regs
[i
]);
1201 format_flow_tunnel(s
, match
);
1203 format_be64_masked(s
, "metadata", f
->metadata
, wc
->masks
.metadata
);
1205 if (wc
->masks
.in_port
.ofp_port
) {
1206 ds_put_format(s
, "%sin_port=%s", colors
.param
, colors
.end
);
1207 ofputil_format_port(f
->in_port
.ofp_port
, s
);
1208 ds_put_char(s
, ',');
1210 if (wc
->masks
.vlan_tci
) {
1211 ovs_be16 vid_mask
= wc
->masks
.vlan_tci
& htons(VLAN_VID_MASK
);
1212 ovs_be16 pcp_mask
= wc
->masks
.vlan_tci
& htons(VLAN_PCP_MASK
);
1213 ovs_be16 cfi
= wc
->masks
.vlan_tci
& htons(VLAN_CFI
);
1215 if (cfi
&& f
->vlan_tci
& htons(VLAN_CFI
)
1216 && (!vid_mask
|| vid_mask
== htons(VLAN_VID_MASK
))
1217 && (!pcp_mask
|| pcp_mask
== htons(VLAN_PCP_MASK
))
1218 && (vid_mask
|| pcp_mask
)) {
1220 ds_put_format(s
, "%sdl_vlan=%s%"PRIu16
",", colors
.param
,
1221 colors
.end
, vlan_tci_to_vid(f
->vlan_tci
));
1224 ds_put_format(s
, "%sdl_vlan_pcp=%s%d,", colors
.param
,
1225 colors
.end
, vlan_tci_to_pcp(f
->vlan_tci
));
1227 } else if (wc
->masks
.vlan_tci
== htons(0xffff)) {
1228 ds_put_format(s
, "%svlan_tci=%s0x%04"PRIx16
",", colors
.param
,
1229 colors
.end
, ntohs(f
->vlan_tci
));
1231 ds_put_format(s
, "%svlan_tci=%s0x%04"PRIx16
"/0x%04"PRIx16
",",
1232 colors
.param
, colors
.end
,
1233 ntohs(f
->vlan_tci
), ntohs(wc
->masks
.vlan_tci
));
1236 format_eth_masked(s
, "dl_src", f
->dl_src
, wc
->masks
.dl_src
);
1237 format_eth_masked(s
, "dl_dst", f
->dl_dst
, wc
->masks
.dl_dst
);
1238 if (!skip_type
&& wc
->masks
.dl_type
) {
1239 ds_put_format(s
, "%sdl_type=%s0x%04"PRIx16
",",
1240 colors
.param
, colors
.end
, ntohs(f
->dl_type
));
1242 if (f
->dl_type
== htons(ETH_TYPE_IPV6
)) {
1243 format_ipv6_netmask(s
, "ipv6_src", &f
->ipv6_src
, &wc
->masks
.ipv6_src
);
1244 format_ipv6_netmask(s
, "ipv6_dst", &f
->ipv6_dst
, &wc
->masks
.ipv6_dst
);
1245 if (wc
->masks
.ipv6_label
) {
1246 if (wc
->masks
.ipv6_label
== OVS_BE32_MAX
) {
1247 ds_put_format(s
, "%sipv6_label=%s0x%05"PRIx32
",",
1248 colors
.param
, colors
.end
,
1249 ntohl(f
->ipv6_label
));
1251 ds_put_format(s
, "%sipv6_label=%s0x%05"PRIx32
"/0x%05"PRIx32
",",
1252 colors
.param
, colors
.end
, ntohl(f
->ipv6_label
),
1253 ntohl(wc
->masks
.ipv6_label
));
1256 } else if (f
->dl_type
== htons(ETH_TYPE_ARP
) ||
1257 f
->dl_type
== htons(ETH_TYPE_RARP
)) {
1258 format_ip_netmask(s
, "arp_spa", f
->nw_src
, wc
->masks
.nw_src
);
1259 format_ip_netmask(s
, "arp_tpa", f
->nw_dst
, wc
->masks
.nw_dst
);
1261 format_ip_netmask(s
, "nw_src", f
->nw_src
, wc
->masks
.nw_src
);
1262 format_ip_netmask(s
, "nw_dst", f
->nw_dst
, wc
->masks
.nw_dst
);
1264 if (!skip_proto
&& wc
->masks
.nw_proto
) {
1265 if (f
->dl_type
== htons(ETH_TYPE_ARP
) ||
1266 f
->dl_type
== htons(ETH_TYPE_RARP
)) {
1267 ds_put_format(s
, "%sarp_op=%s%"PRIu8
",",
1268 colors
.param
, colors
.end
, f
->nw_proto
);
1270 ds_put_format(s
, "%snw_proto=%s%"PRIu8
",",
1271 colors
.param
, colors
.end
, f
->nw_proto
);
1274 if (f
->dl_type
== htons(ETH_TYPE_ARP
) ||
1275 f
->dl_type
== htons(ETH_TYPE_RARP
)) {
1276 format_eth_masked(s
, "arp_sha", f
->arp_sha
, wc
->masks
.arp_sha
);
1277 format_eth_masked(s
, "arp_tha", f
->arp_tha
, wc
->masks
.arp_tha
);
1279 if (wc
->masks
.nw_tos
& IP_DSCP_MASK
) {
1280 ds_put_format(s
, "%snw_tos=%s%"PRIu8
",",
1281 colors
.param
, colors
.end
, f
->nw_tos
& IP_DSCP_MASK
);
1283 if (wc
->masks
.nw_tos
& IP_ECN_MASK
) {
1284 ds_put_format(s
, "%snw_ecn=%s%"PRIu8
",",
1285 colors
.param
, colors
.end
, f
->nw_tos
& IP_ECN_MASK
);
1287 if (wc
->masks
.nw_ttl
) {
1288 ds_put_format(s
, "%snw_ttl=%s%"PRIu8
",",
1289 colors
.param
, colors
.end
, f
->nw_ttl
);
1291 if (wc
->masks
.mpls_lse
[0] & htonl(MPLS_LABEL_MASK
)) {
1292 ds_put_format(s
, "%smpls_label=%s%"PRIu32
",", colors
.param
,
1293 colors
.end
, mpls_lse_to_label(f
->mpls_lse
[0]));
1295 if (wc
->masks
.mpls_lse
[0] & htonl(MPLS_TC_MASK
)) {
1296 ds_put_format(s
, "%smpls_tc=%s%"PRIu8
",", colors
.param
, colors
.end
,
1297 mpls_lse_to_tc(f
->mpls_lse
[0]));
1299 if (wc
->masks
.mpls_lse
[0] & htonl(MPLS_TTL_MASK
)) {
1300 ds_put_format(s
, "%smpls_ttl=%s%"PRIu8
",", colors
.param
, colors
.end
,
1301 mpls_lse_to_ttl(f
->mpls_lse
[0]));
1303 if (wc
->masks
.mpls_lse
[0] & htonl(MPLS_BOS_MASK
)) {
1304 ds_put_format(s
, "%smpls_bos=%s%"PRIu8
",", colors
.param
, colors
.end
,
1305 mpls_lse_to_bos(f
->mpls_lse
[0]));
1307 format_be32_masked(s
, "mpls_lse1", f
->mpls_lse
[1], wc
->masks
.mpls_lse
[1]);
1308 format_be32_masked(s
, "mpls_lse2", f
->mpls_lse
[2], wc
->masks
.mpls_lse
[2]);
1310 switch (wc
->masks
.nw_frag
) {
1311 case FLOW_NW_FRAG_ANY
| FLOW_NW_FRAG_LATER
:
1312 ds_put_format(s
, "%snw_frag=%s%s,", colors
.param
, colors
.end
,
1313 f
->nw_frag
& FLOW_NW_FRAG_ANY
1314 ? (f
->nw_frag
& FLOW_NW_FRAG_LATER
? "later" : "first")
1315 : (f
->nw_frag
& FLOW_NW_FRAG_LATER
? "<error>" : "no"));
1318 case FLOW_NW_FRAG_ANY
:
1319 ds_put_format(s
, "%snw_frag=%s%s,", colors
.param
, colors
.end
,
1320 f
->nw_frag
& FLOW_NW_FRAG_ANY
? "yes" : "no");
1323 case FLOW_NW_FRAG_LATER
:
1324 ds_put_format(s
, "%snw_frag=%s%s,", colors
.param
, colors
.end
,
1325 f
->nw_frag
& FLOW_NW_FRAG_LATER
? "later" : "not_later");
1328 if (f
->dl_type
== htons(ETH_TYPE_IP
) &&
1329 f
->nw_proto
== IPPROTO_ICMP
) {
1330 format_be16_masked(s
, "icmp_type", f
->tp_src
, wc
->masks
.tp_src
);
1331 format_be16_masked(s
, "icmp_code", f
->tp_dst
, wc
->masks
.tp_dst
);
1332 } else if (f
->dl_type
== htons(ETH_TYPE_IP
) &&
1333 f
->nw_proto
== IPPROTO_IGMP
) {
1334 format_be16_masked(s
, "igmp_type", f
->tp_src
, wc
->masks
.tp_src
);
1335 format_be16_masked(s
, "igmp_code", f
->tp_dst
, wc
->masks
.tp_dst
);
1336 } else if (f
->dl_type
== htons(ETH_TYPE_IPV6
) &&
1337 f
->nw_proto
== IPPROTO_ICMPV6
) {
1338 format_be16_masked(s
, "icmp_type", f
->tp_src
, wc
->masks
.tp_src
);
1339 format_be16_masked(s
, "icmp_code", f
->tp_dst
, wc
->masks
.tp_dst
);
1340 format_ipv6_netmask(s
, "nd_target", &f
->nd_target
,
1341 &wc
->masks
.nd_target
);
1342 format_eth_masked(s
, "nd_sll", f
->arp_sha
, wc
->masks
.arp_sha
);
1343 format_eth_masked(s
, "nd_tll", f
->arp_tha
, wc
->masks
.arp_tha
);
1345 format_be16_masked(s
, "tp_src", f
->tp_src
, wc
->masks
.tp_src
);
1346 format_be16_masked(s
, "tp_dst", f
->tp_dst
, wc
->masks
.tp_dst
);
1348 if (is_ip_any(f
) && f
->nw_proto
== IPPROTO_TCP
&& wc
->masks
.tcp_flags
) {
1349 format_flags_masked(s
, "tcp_flags", packet_tcp_flag_to_string
,
1350 ntohs(f
->tcp_flags
), TCP_FLAGS(wc
->masks
.tcp_flags
),
1351 TCP_FLAGS(OVS_BE16_MAX
));
1354 if (s
->length
> start_len
) {
1359 /* Converts 'match' to a string and returns the string. If 'priority' is
1360 * different from OFP_DEFAULT_PRIORITY, includes it in the string. The caller
1361 * must free the string (with free()). */
1363 match_to_string(const struct match
*match
, int priority
)
1365 struct ds s
= DS_EMPTY_INITIALIZER
;
1366 match_format(match
, &s
, priority
);
1367 return ds_steal_cstr(&s
);
1371 match_print(const struct match
*match
)
1373 char *s
= match_to_string(match
, OFP_DEFAULT_PRIORITY
);
1378 /* Initializes 'dst' as a copy of 'src'. The caller must eventually free 'dst'
1379 * with minimatch_destroy(). */
1381 minimatch_init(struct minimatch
*dst
, const struct match
*src
)
1383 struct miniflow tmp
;
1385 miniflow_map_init(&tmp
, &src
->wc
.masks
);
1386 /* Allocate two consecutive miniflows. */
1387 miniflow_alloc(dst
->flows
, 2, &tmp
);
1388 miniflow_init(dst
->flow
, &src
->flow
);
1389 minimask_init(dst
->mask
, &src
->wc
);
1392 /* Initializes 'dst' as a copy of 'src'. The caller must eventually free 'dst'
1393 * with minimatch_destroy(). */
1395 minimatch_clone(struct minimatch
*dst
, const struct minimatch
*src
)
1397 /* Allocate two consecutive miniflows. */
1398 size_t data_size
= miniflow_alloc(dst
->flows
, 2, &src
->mask
->masks
);
1400 memcpy(miniflow_values(dst
->flow
),
1401 miniflow_get_values(src
->flow
), data_size
);
1402 memcpy(miniflow_values(&dst
->mask
->masks
),
1403 miniflow_get_values(&src
->mask
->masks
), data_size
);
1406 /* Initializes 'dst' with the data in 'src', destroying 'src'. The caller must
1407 * eventually free 'dst' with minimatch_destroy(). */
1409 minimatch_move(struct minimatch
*dst
, struct minimatch
*src
)
1411 dst
->flow
= src
->flow
;
1412 dst
->mask
= src
->mask
;
1415 /* Frees any memory owned by 'match'. Does not free the storage in which
1416 * 'match' itself resides; the caller is responsible for that. */
1418 minimatch_destroy(struct minimatch
*match
)
1423 /* Initializes 'dst' as a copy of 'src'. */
1425 minimatch_expand(const struct minimatch
*src
, struct match
*dst
)
1427 miniflow_expand(src
->flow
, &dst
->flow
);
1428 minimask_expand(src
->mask
, &dst
->wc
);
1429 memset(&dst
->tun_md
, 0, sizeof dst
->tun_md
);
1432 /* Returns true if 'a' and 'b' match the same packets, false otherwise. */
1434 minimatch_equal(const struct minimatch
*a
, const struct minimatch
*b
)
1436 return minimask_equal(a
->mask
, b
->mask
)
1437 && miniflow_equal(a
->flow
, b
->flow
);
1440 /* Returns true if 'target' satisifies 'match', that is, if each bit for which
1441 * 'match' specifies a particular value has the correct value in 'target'.
1443 * This function is equivalent to miniflow_equal_flow_in_minimask(&match->flow,
1444 * target, &match->mask) but it is faster because of the invariant that
1445 * match->flow.map and match->mask.map are the same. */
1447 minimatch_matches_flow(const struct minimatch
*match
,
1448 const struct flow
*target
)
1450 const uint64_t *flowp
= miniflow_get_values(match
->flow
);
1451 const uint64_t *maskp
= miniflow_get_values(&match
->mask
->masks
);
1454 FLOWMAP_FOR_EACH_INDEX(idx
, match
->flow
->map
) {
1455 if ((*flowp
++ ^ flow_u64_value(target
, idx
)) & *maskp
++) {
1463 /* Appends a string representation of 'match' to 's'. If 'priority' is
1464 * different from OFP_DEFAULT_PRIORITY, includes it in 's'. */
1466 minimatch_format(const struct minimatch
*match
,
1467 const struct tun_table
*tun_table
,struct ds
*s
, int priority
)
1469 struct match megamatch
;
1471 minimatch_expand(match
, &megamatch
);
1472 megamatch
.flow
.tunnel
.metadata
.tab
= tun_table
;
1474 match_format(&megamatch
, s
, priority
);
1477 /* Converts 'match' to a string and returns the string. If 'priority' is
1478 * different from OFP_DEFAULT_PRIORITY, includes it in the string. The caller
1479 * must free the string (with free()). */
1481 minimatch_to_string(const struct minimatch
*match
, int priority
)
1483 struct match megamatch
;
1485 minimatch_expand(match
, &megamatch
);
1486 return match_to_string(&megamatch
, priority
);