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Commit | Line | Data |
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81a76618 | 1 | /* |
fd13c6b5 | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, Inc. |
81a76618 BP |
3 | * |
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: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
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. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
e29747e4 | 18 | #include "openvswitch/match.h" |
81a76618 | 19 | #include <stdlib.h> |
e29747e4 | 20 | #include "flow.h" |
81a76618 | 21 | #include "byte-order.h" |
0deec6d2 | 22 | #include "colors.h" |
3e8a2ad1 | 23 | #include "openvswitch/dynamic-string.h" |
0d71302e BP |
24 | #include "openvswitch/meta-flow.h" |
25 | #include "openvswitch/ofp-port.h" | |
81a76618 | 26 | #include "packets.h" |
9558d2a5 | 27 | #include "tun-metadata.h" |
3d2fbd70 | 28 | #include "openvswitch/nsh.h" |
81a76618 BP |
29 | |
30 | /* Converts the flow in 'flow' into a match in 'match', with the given | |
31 | * 'wildcards'. */ | |
32 | void | |
33 | match_init(struct match *match, | |
34 | const struct flow *flow, const struct flow_wildcards *wc) | |
35 | { | |
36 | match->flow = *flow; | |
37 | match->wc = *wc; | |
38 | match_zero_wildcarded_fields(match); | |
9558d2a5 | 39 | memset(&match->tun_md, 0, sizeof match->tun_md); |
81a76618 BP |
40 | } |
41 | ||
aa6c9932 MM |
42 | /* Converts a flow into a match. It sets the wildcard masks based on |
43 | * the packet contents. It will not set the mask for fields that do not | |
44 | * make sense for the packet type. */ | |
45 | void | |
46 | match_wc_init(struct match *match, const struct flow *flow) | |
47 | { | |
aa6c9932 | 48 | match->flow = *flow; |
aa6c9932 | 49 | |
78c9486d JR |
50 | flow_wildcards_init_for_packet(&match->wc, flow); |
51 | WC_MASK_FIELD(&match->wc, regs); | |
52 | WC_MASK_FIELD(&match->wc, metadata); | |
9558d2a5 JG |
53 | |
54 | memset(&match->tun_md, 0, sizeof match->tun_md); | |
aa6c9932 MM |
55 | } |
56 | ||
81a76618 BP |
57 | /* Initializes 'match' as a "catch-all" match that matches every packet. */ |
58 | void | |
59 | match_init_catchall(struct match *match) | |
60 | { | |
61 | memset(&match->flow, 0, sizeof match->flow); | |
62 | flow_wildcards_init_catchall(&match->wc); | |
9558d2a5 | 63 | memset(&match->tun_md, 0, sizeof match->tun_md); |
81a76618 BP |
64 | } |
65 | ||
66 | /* For each bit or field wildcarded in 'match', sets the corresponding bit or | |
67 | * field in 'flow' to all-0-bits. It is important to maintain this invariant | |
68 | * in a match that might be inserted into a classifier. | |
69 | * | |
70 | * It is never necessary to call this function directly for a match that is | |
71 | * initialized or modified only by match_*() functions. It is useful to | |
72 | * restore the invariant in a match whose 'wc' member is modified by hand. | |
73 | */ | |
74 | void | |
75 | match_zero_wildcarded_fields(struct match *match) | |
76 | { | |
77 | flow_zero_wildcards(&match->flow, &match->wc); | |
78 | } | |
79 | ||
a79f29f2 AZ |
80 | void |
81 | match_set_dp_hash(struct match *match, uint32_t value) | |
82 | { | |
83 | match_set_dp_hash_masked(match, value, UINT32_MAX); | |
84 | } | |
85 | ||
86 | void | |
87 | match_set_dp_hash_masked(struct match *match, uint32_t value, uint32_t mask) | |
88 | { | |
89 | match->wc.masks.dp_hash = mask; | |
90 | match->flow.dp_hash = value & mask; | |
91 | } | |
92 | ||
93 | void | |
94 | match_set_recirc_id(struct match *match, uint32_t value) | |
95 | { | |
96 | match->flow.recirc_id = value; | |
97 | match->wc.masks.recirc_id = UINT32_MAX; | |
98 | } | |
99 | ||
18080541 BP |
100 | void |
101 | match_set_conj_id(struct match *match, uint32_t value) | |
102 | { | |
103 | match->flow.conj_id = value; | |
104 | match->wc.masks.conj_id = UINT32_MAX; | |
105 | } | |
106 | ||
81a76618 BP |
107 | void |
108 | match_set_reg(struct match *match, unsigned int reg_idx, uint32_t value) | |
109 | { | |
110 | match_set_reg_masked(match, reg_idx, value, UINT32_MAX); | |
111 | } | |
112 | ||
113 | void | |
114 | match_set_reg_masked(struct match *match, unsigned int reg_idx, | |
115 | uint32_t value, uint32_t mask) | |
116 | { | |
cb22974d | 117 | ovs_assert(reg_idx < FLOW_N_REGS); |
81a76618 BP |
118 | flow_wildcards_set_reg_mask(&match->wc, reg_idx, mask); |
119 | match->flow.regs[reg_idx] = value & mask; | |
120 | } | |
121 | ||
79fe0f46 BP |
122 | void |
123 | match_set_xreg(struct match *match, unsigned int xreg_idx, uint64_t value) | |
124 | { | |
125 | match_set_xreg_masked(match, xreg_idx, value, UINT64_MAX); | |
126 | } | |
127 | ||
128 | void | |
129 | match_set_xreg_masked(struct match *match, unsigned int xreg_idx, | |
130 | uint64_t value, uint64_t mask) | |
131 | { | |
132 | ovs_assert(xreg_idx < FLOW_N_XREGS); | |
133 | flow_wildcards_set_xreg_mask(&match->wc, xreg_idx, mask); | |
134 | flow_set_xreg(&match->flow, xreg_idx, value & mask); | |
135 | } | |
136 | ||
b23ada8e JP |
137 | void |
138 | match_set_xxreg(struct match *match, unsigned int xxreg_idx, ovs_u128 value) | |
139 | { | |
140 | match_set_xxreg_masked(match, xxreg_idx, value, OVS_U128_MAX); | |
141 | } | |
142 | ||
143 | void | |
144 | match_set_xxreg_masked(struct match *match, unsigned int xxreg_idx, | |
145 | ovs_u128 value, ovs_u128 mask) | |
146 | { | |
147 | ovs_assert(xxreg_idx < FLOW_N_XXREGS); | |
148 | flow_wildcards_set_xxreg_mask(&match->wc, xxreg_idx, mask); | |
149 | flow_set_xxreg(&match->flow, xxreg_idx, ovs_u128_and(value, mask)); | |
150 | } | |
151 | ||
c61f3870 BP |
152 | void |
153 | match_set_actset_output(struct match *match, ofp_port_t actset_output) | |
154 | { | |
155 | match->wc.masks.actset_output = u16_to_ofp(UINT16_MAX); | |
156 | match->flow.actset_output = actset_output; | |
157 | } | |
158 | ||
81a76618 BP |
159 | void |
160 | match_set_metadata(struct match *match, ovs_be64 metadata) | |
161 | { | |
b8266395 | 162 | match_set_metadata_masked(match, metadata, OVS_BE64_MAX); |
81a76618 BP |
163 | } |
164 | ||
165 | void | |
166 | match_set_metadata_masked(struct match *match, | |
167 | ovs_be64 metadata, ovs_be64 mask) | |
168 | { | |
169 | match->wc.masks.metadata = mask; | |
170 | match->flow.metadata = metadata & mask; | |
171 | } | |
172 | ||
173 | void | |
174 | match_set_tun_id(struct match *match, ovs_be64 tun_id) | |
175 | { | |
b8266395 | 176 | match_set_tun_id_masked(match, tun_id, OVS_BE64_MAX); |
81a76618 BP |
177 | } |
178 | ||
179 | void | |
180 | match_set_tun_id_masked(struct match *match, ovs_be64 tun_id, ovs_be64 mask) | |
181 | { | |
296e07ac JG |
182 | match->wc.masks.tunnel.tun_id = mask; |
183 | match->flow.tunnel.tun_id = tun_id & mask; | |
81a76618 BP |
184 | } |
185 | ||
4fe3445a PS |
186 | void |
187 | match_set_tun_src(struct match *match, ovs_be32 src) | |
188 | { | |
b8266395 | 189 | match_set_tun_src_masked(match, src, OVS_BE32_MAX); |
4fe3445a PS |
190 | } |
191 | ||
192 | void | |
193 | match_set_tun_src_masked(struct match *match, ovs_be32 src, ovs_be32 mask) | |
194 | { | |
195 | match->wc.masks.tunnel.ip_src = mask; | |
196 | match->flow.tunnel.ip_src = src & mask; | |
197 | } | |
198 | ||
199 | void | |
200 | match_set_tun_dst(struct match *match, ovs_be32 dst) | |
201 | { | |
b8266395 | 202 | match_set_tun_dst_masked(match, dst, OVS_BE32_MAX); |
4fe3445a PS |
203 | } |
204 | ||
205 | void | |
206 | match_set_tun_dst_masked(struct match *match, ovs_be32 dst, ovs_be32 mask) | |
207 | { | |
208 | match->wc.masks.tunnel.ip_dst = mask; | |
209 | match->flow.tunnel.ip_dst = dst & mask; | |
210 | } | |
211 | ||
ffe4c74f JB |
212 | void |
213 | match_set_tun_ipv6_src(struct match *match, const struct in6_addr *src) | |
214 | { | |
215 | match->flow.tunnel.ipv6_src = *src; | |
216 | match->wc.masks.tunnel.ipv6_src = in6addr_exact; | |
217 | } | |
218 | ||
219 | void | |
220 | match_set_tun_ipv6_src_masked(struct match *match, const struct in6_addr *src, | |
221 | const struct in6_addr *mask) | |
222 | { | |
223 | match->flow.tunnel.ipv6_src = ipv6_addr_bitand(src, mask); | |
224 | match->wc.masks.tunnel.ipv6_src = *mask; | |
225 | } | |
226 | ||
227 | void | |
228 | match_set_tun_ipv6_dst(struct match *match, const struct in6_addr *dst) | |
229 | { | |
230 | match->flow.tunnel.ipv6_dst = *dst; | |
231 | match->wc.masks.tunnel.ipv6_dst = in6addr_exact; | |
232 | } | |
233 | ||
234 | void | |
235 | match_set_tun_ipv6_dst_masked(struct match *match, const struct in6_addr *dst, | |
236 | const struct in6_addr *mask) | |
237 | { | |
238 | match->flow.tunnel.ipv6_dst = ipv6_addr_bitand(dst, mask); | |
239 | match->wc.masks.tunnel.ipv6_dst = *mask; | |
240 | } | |
241 | ||
4fe3445a PS |
242 | void |
243 | match_set_tun_ttl(struct match *match, uint8_t ttl) | |
244 | { | |
245 | match_set_tun_ttl_masked(match, ttl, UINT8_MAX); | |
246 | } | |
247 | ||
248 | void | |
249 | match_set_tun_ttl_masked(struct match *match, uint8_t ttl, uint8_t mask) | |
250 | { | |
251 | match->wc.masks.tunnel.ip_ttl = mask; | |
252 | match->flow.tunnel.ip_ttl = ttl & mask; | |
253 | } | |
254 | ||
255 | void | |
256 | match_set_tun_tos(struct match *match, uint8_t tos) | |
257 | { | |
258 | match_set_tun_tos_masked(match, tos, UINT8_MAX); | |
259 | } | |
260 | ||
261 | void | |
262 | match_set_tun_tos_masked(struct match *match, uint8_t tos, uint8_t mask) | |
263 | { | |
264 | match->wc.masks.tunnel.ip_tos = mask; | |
265 | match->flow.tunnel.ip_tos = tos & mask; | |
266 | } | |
267 | ||
268 | void | |
269 | match_set_tun_flags(struct match *match, uint16_t flags) | |
270 | { | |
271 | match_set_tun_flags_masked(match, flags, UINT16_MAX); | |
272 | } | |
273 | ||
274 | void | |
275 | match_set_tun_flags_masked(struct match *match, uint16_t flags, uint16_t mask) | |
276 | { | |
b666962b JG |
277 | mask &= FLOW_TNL_PUB_F_MASK; |
278 | ||
4fe3445a PS |
279 | match->wc.masks.tunnel.flags = mask; |
280 | match->flow.tunnel.flags = flags & mask; | |
281 | } | |
282 | ||
3def36a8 RD |
283 | void |
284 | match_set_tun_tp_dst(struct match *match, ovs_be16 tp_dst) | |
285 | { | |
286 | match_set_tun_tp_dst_masked(match, tp_dst, OVS_BE16_MAX); | |
287 | } | |
288 | ||
289 | void | |
290 | match_set_tun_tp_dst_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
291 | { | |
292 | match->wc.masks.tunnel.tp_dst = mask; | |
293 | match->flow.tunnel.tp_dst = port & mask; | |
294 | } | |
295 | ||
ac6073e3 MC |
296 | void |
297 | match_set_tun_gbp_id_masked(struct match *match, ovs_be16 gbp_id, ovs_be16 mask) | |
298 | { | |
299 | match->wc.masks.tunnel.gbp_id = mask; | |
300 | match->flow.tunnel.gbp_id = gbp_id & mask; | |
301 | } | |
302 | ||
303 | void | |
304 | match_set_tun_gbp_id(struct match *match, ovs_be16 gbp_id) | |
305 | { | |
306 | match_set_tun_gbp_id_masked(match, gbp_id, OVS_BE16_MAX); | |
307 | } | |
308 | ||
309 | void | |
310 | match_set_tun_gbp_flags_masked(struct match *match, uint8_t flags, uint8_t mask) | |
311 | { | |
312 | match->wc.masks.tunnel.gbp_flags = mask; | |
313 | match->flow.tunnel.gbp_flags = flags & mask; | |
314 | } | |
315 | ||
316 | void | |
317 | match_set_tun_gbp_flags(struct match *match, uint8_t flags) | |
318 | { | |
319 | match_set_tun_gbp_flags_masked(match, flags, UINT8_MAX); | |
320 | } | |
321 | ||
81a76618 | 322 | void |
4e022ec0 | 323 | match_set_in_port(struct match *match, ofp_port_t ofp_port) |
81a76618 | 324 | { |
4e022ec0 AW |
325 | match->wc.masks.in_port.ofp_port = u16_to_ofp(UINT16_MAX); |
326 | match->flow.in_port.ofp_port = ofp_port; | |
81a76618 BP |
327 | } |
328 | ||
1b567fb9 AA |
329 | void |
330 | match_set_skb_priority(struct match *match, uint32_t skb_priority) | |
331 | { | |
332 | match->wc.masks.skb_priority = UINT32_MAX; | |
333 | match->flow.skb_priority = skb_priority; | |
334 | } | |
335 | ||
336 | void | |
1362e248 | 337 | match_set_pkt_mark(struct match *match, uint32_t pkt_mark) |
1b567fb9 | 338 | { |
ac923e91 JG |
339 | match_set_pkt_mark_masked(match, pkt_mark, UINT32_MAX); |
340 | } | |
341 | ||
342 | void | |
343 | match_set_pkt_mark_masked(struct match *match, uint32_t pkt_mark, uint32_t mask) | |
344 | { | |
345 | match->flow.pkt_mark = pkt_mark & mask; | |
346 | match->wc.masks.pkt_mark = mask; | |
1b567fb9 AA |
347 | } |
348 | ||
07659514 JS |
349 | void |
350 | match_set_ct_state(struct match *match, uint32_t ct_state) | |
351 | { | |
352 | match_set_ct_state_masked(match, ct_state, UINT32_MAX); | |
353 | } | |
354 | ||
355 | void | |
356 | match_set_ct_state_masked(struct match *match, uint32_t ct_state, uint32_t mask) | |
357 | { | |
2a28ccc8 JR |
358 | match->flow.ct_state = ct_state & mask & UINT8_MAX; |
359 | match->wc.masks.ct_state = mask & UINT8_MAX; | |
07659514 JS |
360 | } |
361 | ||
362 | void | |
363 | match_set_ct_zone(struct match *match, uint16_t ct_zone) | |
364 | { | |
365 | match->flow.ct_zone = ct_zone; | |
366 | match->wc.masks.ct_zone = UINT16_MAX; | |
367 | } | |
368 | ||
8e53fe8c JS |
369 | void |
370 | match_set_ct_mark(struct match *match, uint32_t ct_mark) | |
371 | { | |
372 | match_set_ct_mark_masked(match, ct_mark, UINT32_MAX); | |
373 | } | |
374 | ||
375 | void | |
376 | match_set_ct_mark_masked(struct match *match, uint32_t ct_mark, | |
377 | uint32_t mask) | |
378 | { | |
379 | match->flow.ct_mark = ct_mark & mask; | |
380 | match->wc.masks.ct_mark = mask; | |
381 | } | |
382 | ||
9daf2348 JS |
383 | void |
384 | match_set_ct_label(struct match *match, ovs_u128 ct_label) | |
385 | { | |
386 | ovs_u128 mask; | |
387 | ||
388 | mask.u64.lo = UINT64_MAX; | |
389 | mask.u64.hi = UINT64_MAX; | |
390 | match_set_ct_label_masked(match, ct_label, mask); | |
391 | } | |
392 | ||
393 | void | |
394 | match_set_ct_label_masked(struct match *match, ovs_u128 value, ovs_u128 mask) | |
395 | { | |
396 | match->flow.ct_label.u64.lo = value.u64.lo & mask.u64.lo; | |
397 | match->flow.ct_label.u64.hi = value.u64.hi & mask.u64.hi; | |
398 | match->wc.masks.ct_label = mask; | |
399 | } | |
400 | ||
daf4d3c1 JR |
401 | void |
402 | match_set_ct_nw_src(struct match *match, ovs_be32 ct_nw_src) | |
403 | { | |
404 | match->flow.ct_nw_src = ct_nw_src; | |
405 | match->wc.masks.ct_nw_src = OVS_BE32_MAX; | |
406 | } | |
407 | ||
408 | void | |
409 | match_set_ct_nw_src_masked(struct match *match, ovs_be32 ct_nw_src, | |
410 | ovs_be32 mask) | |
411 | { | |
412 | match->flow.ct_nw_src = ct_nw_src & mask; | |
413 | match->wc.masks.ct_nw_src = mask; | |
414 | } | |
415 | ||
416 | void | |
417 | match_set_ct_nw_dst(struct match *match, ovs_be32 ct_nw_dst) | |
418 | { | |
419 | match->flow.ct_nw_dst = ct_nw_dst; | |
420 | match->wc.masks.ct_nw_dst = OVS_BE32_MAX; | |
421 | } | |
422 | ||
423 | void | |
424 | match_set_ct_nw_dst_masked(struct match *match, ovs_be32 ct_nw_dst, | |
425 | ovs_be32 mask) | |
426 | { | |
427 | match->flow.ct_nw_dst = ct_nw_dst & mask; | |
428 | match->wc.masks.ct_nw_dst = mask; | |
429 | } | |
430 | ||
431 | void | |
432 | match_set_ct_nw_proto(struct match *match, uint8_t ct_nw_proto) | |
433 | { | |
434 | match->flow.ct_nw_proto = ct_nw_proto; | |
435 | match->wc.masks.ct_nw_proto = UINT8_MAX; | |
436 | } | |
437 | ||
438 | void | |
439 | match_set_ct_tp_src(struct match *match, ovs_be16 ct_tp_src) | |
440 | { | |
441 | match_set_ct_tp_src_masked(match, ct_tp_src, OVS_BE16_MAX); | |
442 | } | |
443 | ||
444 | void | |
445 | match_set_ct_tp_src_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
446 | { | |
447 | match->flow.ct_tp_src = port & mask; | |
448 | match->wc.masks.ct_tp_src = mask; | |
449 | } | |
450 | ||
451 | void | |
452 | match_set_ct_tp_dst(struct match *match, ovs_be16 ct_tp_dst) | |
453 | { | |
454 | match_set_ct_tp_dst_masked(match, ct_tp_dst, OVS_BE16_MAX); | |
455 | } | |
456 | ||
457 | void | |
458 | match_set_ct_tp_dst_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
459 | { | |
460 | match->flow.ct_tp_dst = port & mask; | |
461 | match->wc.masks.ct_tp_dst = mask; | |
462 | } | |
463 | ||
464 | void | |
465 | match_set_ct_ipv6_src(struct match *match, const struct in6_addr *src) | |
466 | { | |
467 | match->flow.ct_ipv6_src = *src; | |
468 | match->wc.masks.ct_ipv6_src = in6addr_exact; | |
469 | } | |
470 | ||
471 | void | |
472 | match_set_ct_ipv6_src_masked(struct match *match, const struct in6_addr *src, | |
473 | const struct in6_addr *mask) | |
474 | { | |
475 | match->flow.ct_ipv6_src = ipv6_addr_bitand(src, mask); | |
476 | match->wc.masks.ct_ipv6_src = *mask; | |
477 | } | |
478 | ||
479 | void | |
480 | match_set_ct_ipv6_dst(struct match *match, const struct in6_addr *dst) | |
481 | { | |
482 | match->flow.ct_ipv6_dst = *dst; | |
483 | match->wc.masks.ct_ipv6_dst = in6addr_exact; | |
484 | } | |
485 | ||
486 | void | |
487 | match_set_ct_ipv6_dst_masked(struct match *match, const struct in6_addr *dst, | |
488 | const struct in6_addr *mask) | |
489 | { | |
490 | match->flow.ct_ipv6_dst = ipv6_addr_bitand(dst, mask); | |
491 | match->wc.masks.ct_ipv6_dst = *mask; | |
492 | } | |
493 | ||
beb75a40 JS |
494 | void |
495 | match_set_packet_type(struct match *match, ovs_be32 packet_type) | |
496 | { | |
497 | match->flow.packet_type = packet_type; | |
498 | match->wc.masks.packet_type = OVS_BE32_MAX; | |
499 | } | |
500 | ||
3d4b2e6e JS |
501 | /* If 'match' does not match on any packet type, make it match on Ethernet |
502 | * packets (the default packet type, as specified by OpenFlow). */ | |
503 | void | |
504 | match_set_default_packet_type(struct match *match) | |
505 | { | |
506 | if (!match->wc.masks.packet_type) { | |
507 | match_set_packet_type(match, htonl(PT_ETH)); | |
508 | } | |
509 | } | |
510 | ||
511 | /* Returns true if 'match' matches only Ethernet packets (the default packet | |
512 | * type, as specified by OpenFlow). */ | |
513 | bool | |
514 | match_has_default_packet_type(const struct match *match) | |
515 | { | |
516 | return (match->flow.packet_type == htonl(PT_ETH) | |
517 | && match->wc.masks.packet_type == OVS_BE32_MAX); | |
518 | } | |
519 | ||
520 | /* A match on 'field' is being added to or has been added to 'match'. If | |
521 | * 'field' is a data field, and 'match' does not already match on packet_type, | |
522 | * this function make it match on the Ethernet packet_type. | |
523 | * | |
524 | * This function is useful because OpenFlow implicitly applies to Ethernet | |
525 | * packets when there's no explicit packet_type, but matching on a metadata | |
526 | * field doesn't imply anything about the packet_type and falsely inferring | |
527 | * that it does can cause harm. A flow that matches only on metadata fields, | |
528 | * for example, should be able to match more than just Ethernet flows. There | |
529 | * are also important reasons that a catch-all match (one with no field matches | |
530 | * at all) should not imply a packet_type(0,0) match. For example, a "flow | |
531 | * dump" request that matches on no fields should return every flow in the | |
532 | * switch, not just the flows that match on Ethernet. As a second example, | |
533 | * OpenFlow 1.2+ special-cases "table miss" flows, that is catch-all flows with | |
534 | * priority 0, and inferring a match on packet_type(0,0) causes such a flow not | |
535 | * to be a table miss flow. */ | |
536 | void | |
537 | match_add_ethernet_prereq(struct match *match, const struct mf_field *field) | |
538 | { | |
539 | if (field->prereqs != MFP_NONE) { | |
540 | match_set_default_packet_type(match); | |
541 | } | |
542 | } | |
543 | ||
81a76618 BP |
544 | void |
545 | match_set_dl_type(struct match *match, ovs_be16 dl_type) | |
546 | { | |
b8266395 | 547 | match->wc.masks.dl_type = OVS_BE16_MAX; |
81a76618 BP |
548 | match->flow.dl_type = dl_type; |
549 | } | |
550 | ||
551 | /* Modifies 'value_src' so that the Ethernet address must match 'value_dst' | |
552 | * exactly. 'mask_dst' is set to all 1s. */ | |
553 | static void | |
74ff3298 JR |
554 | set_eth(const struct eth_addr value_src, |
555 | struct eth_addr *value_dst, | |
556 | struct eth_addr *mask_dst) | |
81a76618 | 557 | { |
74ff3298 JR |
558 | *value_dst = value_src; |
559 | *mask_dst = eth_addr_exact; | |
81a76618 BP |
560 | } |
561 | ||
562 | /* Modifies 'value_src' so that the Ethernet address must match 'value_src' | |
563 | * after each byte is ANDed with the appropriate byte in 'mask_src'. | |
564 | * 'mask_dst' is set to 'mask_src' */ | |
565 | static void | |
74ff3298 JR |
566 | set_eth_masked(const struct eth_addr value_src, |
567 | const struct eth_addr mask_src, | |
568 | struct eth_addr *value_dst, struct eth_addr *mask_dst) | |
81a76618 BP |
569 | { |
570 | size_t i; | |
571 | ||
74ff3298 JR |
572 | for (i = 0; i < ARRAY_SIZE(value_dst->be16); i++) { |
573 | value_dst->be16[i] = value_src.be16[i] & mask_src.be16[i]; | |
81a76618 | 574 | } |
74ff3298 | 575 | *mask_dst = mask_src; |
81a76618 BP |
576 | } |
577 | ||
578 | /* Modifies 'rule' so that the source Ethernet address must match 'dl_src' | |
579 | * exactly. */ | |
580 | void | |
74ff3298 | 581 | match_set_dl_src(struct match *match, const struct eth_addr dl_src) |
81a76618 | 582 | { |
74ff3298 | 583 | set_eth(dl_src, &match->flow.dl_src, &match->wc.masks.dl_src); |
81a76618 BP |
584 | } |
585 | ||
586 | /* Modifies 'rule' so that the source Ethernet address must match 'dl_src' | |
587 | * after each byte is ANDed with the appropriate byte in 'mask'. */ | |
588 | void | |
589 | match_set_dl_src_masked(struct match *match, | |
74ff3298 JR |
590 | const struct eth_addr dl_src, |
591 | const struct eth_addr mask) | |
81a76618 | 592 | { |
74ff3298 | 593 | set_eth_masked(dl_src, mask, &match->flow.dl_src, &match->wc.masks.dl_src); |
81a76618 BP |
594 | } |
595 | ||
596 | /* Modifies 'match' so that the Ethernet address must match 'dl_dst' | |
597 | * exactly. */ | |
598 | void | |
74ff3298 | 599 | match_set_dl_dst(struct match *match, const struct eth_addr dl_dst) |
81a76618 | 600 | { |
74ff3298 | 601 | set_eth(dl_dst, &match->flow.dl_dst, &match->wc.masks.dl_dst); |
81a76618 BP |
602 | } |
603 | ||
604 | /* Modifies 'match' so that the Ethernet address must match 'dl_dst' after each | |
605 | * byte is ANDed with the appropriate byte in 'mask'. | |
606 | * | |
607 | * This function will assert-fail if 'mask' is invalid. Only 'mask' values | |
608 | * accepted by flow_wildcards_is_dl_dst_mask_valid() are allowed. */ | |
609 | void | |
610 | match_set_dl_dst_masked(struct match *match, | |
74ff3298 JR |
611 | const struct eth_addr dl_dst, |
612 | const struct eth_addr mask) | |
81a76618 | 613 | { |
74ff3298 | 614 | set_eth_masked(dl_dst, mask, &match->flow.dl_dst, &match->wc.masks.dl_dst); |
81a76618 BP |
615 | } |
616 | ||
617 | void | |
618 | match_set_dl_tci(struct match *match, ovs_be16 tci) | |
619 | { | |
620 | match_set_dl_tci_masked(match, tci, htons(0xffff)); | |
621 | } | |
622 | ||
623 | void | |
624 | match_set_dl_tci_masked(struct match *match, ovs_be16 tci, ovs_be16 mask) | |
625 | { | |
f0fb825a EG |
626 | match->flow.vlans[0].tci = tci & mask; |
627 | match->wc.masks.vlans[0].tci = mask; | |
81a76618 BP |
628 | } |
629 | ||
630 | /* Modifies 'match' so that the VLAN VID is wildcarded. If the PCP is already | |
631 | * wildcarded, then 'match' will match a packet regardless of whether it has an | |
632 | * 802.1Q header or not. */ | |
633 | void | |
634 | match_set_any_vid(struct match *match) | |
635 | { | |
f0fb825a EG |
636 | if (match->wc.masks.vlans[0].tci & htons(VLAN_PCP_MASK)) { |
637 | match->wc.masks.vlans[0].tci &= ~htons(VLAN_VID_MASK); | |
638 | match->flow.vlans[0].tci &= ~htons(VLAN_VID_MASK); | |
81a76618 BP |
639 | } else { |
640 | match_set_dl_tci_masked(match, htons(0), htons(0)); | |
641 | } | |
642 | } | |
643 | ||
644 | /* Modifies 'match' depending on 'dl_vlan': | |
645 | * | |
646 | * - If 'dl_vlan' is htons(OFP_VLAN_NONE), makes 'match' match only packets | |
647 | * without an 802.1Q header. | |
648 | * | |
649 | * - Otherwise, makes 'match' match only packets with an 802.1Q header whose | |
650 | * VID equals the low 12 bits of 'dl_vlan'. | |
651 | */ | |
652 | void | |
653 | match_set_dl_vlan(struct match *match, ovs_be16 dl_vlan) | |
654 | { | |
655 | flow_set_dl_vlan(&match->flow, dl_vlan); | |
656 | if (dl_vlan == htons(OFP10_VLAN_NONE)) { | |
f0fb825a | 657 | match->wc.masks.vlans[0].tci = OVS_BE16_MAX; |
81a76618 | 658 | } else { |
f0fb825a | 659 | match->wc.masks.vlans[0].tci |= htons(VLAN_VID_MASK | VLAN_CFI); |
81a76618 BP |
660 | } |
661 | } | |
662 | ||
663 | /* Sets the VLAN VID that 'match' matches to 'vid', which is interpreted as an | |
664 | * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID | |
665 | * plus CFI). */ | |
666 | void | |
667 | match_set_vlan_vid(struct match *match, ovs_be16 vid) | |
668 | { | |
669 | match_set_vlan_vid_masked(match, vid, htons(VLAN_VID_MASK | VLAN_CFI)); | |
670 | } | |
671 | ||
672 | ||
673 | /* Sets the VLAN VID that 'flow' matches to 'vid', which is interpreted as an | |
674 | * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID | |
675 | * plus CFI), with the corresponding 'mask'. */ | |
676 | void | |
677 | match_set_vlan_vid_masked(struct match *match, ovs_be16 vid, ovs_be16 mask) | |
678 | { | |
679 | ovs_be16 pcp_mask = htons(VLAN_PCP_MASK); | |
680 | ovs_be16 vid_mask = htons(VLAN_VID_MASK | VLAN_CFI); | |
681 | ||
682 | mask &= vid_mask; | |
683 | flow_set_vlan_vid(&match->flow, vid & mask); | |
f0fb825a EG |
684 | match->wc.masks.vlans[0].tci = |
685 | mask | (match->wc.masks.vlans[0].tci & pcp_mask); | |
81a76618 BP |
686 | } |
687 | ||
688 | /* Modifies 'match' so that the VLAN PCP is wildcarded. If the VID is already | |
689 | * wildcarded, then 'match' will match a packet regardless of whether it has an | |
690 | * 802.1Q header or not. */ | |
691 | void | |
692 | match_set_any_pcp(struct match *match) | |
693 | { | |
f0fb825a EG |
694 | if (match->wc.masks.vlans[0].tci & htons(VLAN_VID_MASK)) { |
695 | match->wc.masks.vlans[0].tci &= ~htons(VLAN_PCP_MASK); | |
696 | match->flow.vlans[0].tci &= ~htons(VLAN_PCP_MASK); | |
81a76618 BP |
697 | } else { |
698 | match_set_dl_tci_masked(match, htons(0), htons(0)); | |
699 | } | |
700 | } | |
701 | ||
702 | /* Modifies 'match' so that it matches only packets with an 802.1Q header whose | |
703 | * PCP equals the low 3 bits of 'dl_vlan_pcp'. */ | |
704 | void | |
705 | match_set_dl_vlan_pcp(struct match *match, uint8_t dl_vlan_pcp) | |
706 | { | |
707 | flow_set_vlan_pcp(&match->flow, dl_vlan_pcp); | |
f0fb825a | 708 | match->wc.masks.vlans[0].tci |= htons(VLAN_CFI | VLAN_PCP_MASK); |
81a76618 BP |
709 | } |
710 | ||
8bfd0fda BP |
711 | /* Modifies 'match' so that the MPLS label 'idx' matches 'lse' exactly. */ |
712 | void | |
713 | match_set_mpls_lse(struct match *match, int idx, ovs_be32 lse) | |
714 | { | |
715 | match->wc.masks.mpls_lse[idx] = OVS_BE32_MAX; | |
716 | match->flow.mpls_lse[idx] = lse; | |
717 | } | |
718 | ||
b02475c5 SH |
719 | /* Modifies 'match' so that the MPLS label is wildcarded. */ |
720 | void | |
8bfd0fda | 721 | match_set_any_mpls_label(struct match *match, int idx) |
b02475c5 | 722 | { |
8bfd0fda BP |
723 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_LABEL_MASK); |
724 | flow_set_mpls_label(&match->flow, idx, htonl(0)); | |
b02475c5 SH |
725 | } |
726 | ||
727 | /* Modifies 'match' so that it matches only packets with an MPLS header whose | |
728 | * label equals the low 20 bits of 'mpls_label'. */ | |
729 | void | |
8bfd0fda | 730 | match_set_mpls_label(struct match *match, int idx, ovs_be32 mpls_label) |
b02475c5 | 731 | { |
8bfd0fda BP |
732 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_LABEL_MASK); |
733 | flow_set_mpls_label(&match->flow, idx, mpls_label); | |
b02475c5 SH |
734 | } |
735 | ||
736 | /* Modifies 'match' so that the MPLS TC is wildcarded. */ | |
737 | void | |
8bfd0fda | 738 | match_set_any_mpls_tc(struct match *match, int idx) |
b02475c5 | 739 | { |
8bfd0fda BP |
740 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_TC_MASK); |
741 | flow_set_mpls_tc(&match->flow, idx, 0); | |
b02475c5 SH |
742 | } |
743 | ||
744 | /* Modifies 'match' so that it matches only packets with an MPLS header whose | |
745 | * Traffic Class equals the low 3 bits of 'mpls_tc'. */ | |
746 | void | |
8bfd0fda | 747 | match_set_mpls_tc(struct match *match, int idx, uint8_t mpls_tc) |
b02475c5 | 748 | { |
8bfd0fda BP |
749 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_TC_MASK); |
750 | flow_set_mpls_tc(&match->flow, idx, mpls_tc); | |
b02475c5 SH |
751 | } |
752 | ||
753 | /* Modifies 'match' so that the MPLS stack flag is wildcarded. */ | |
754 | void | |
8bfd0fda | 755 | match_set_any_mpls_bos(struct match *match, int idx) |
b02475c5 | 756 | { |
8bfd0fda BP |
757 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_BOS_MASK); |
758 | flow_set_mpls_bos(&match->flow, idx, 0); | |
b02475c5 SH |
759 | } |
760 | ||
761 | /* Modifies 'match' so that it matches only packets with an MPLS header whose | |
762 | * Stack Flag equals the lower bit of 'mpls_bos' */ | |
763 | void | |
8bfd0fda BP |
764 | match_set_mpls_bos(struct match *match, int idx, uint8_t mpls_bos) |
765 | { | |
766 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_BOS_MASK); | |
767 | flow_set_mpls_bos(&match->flow, idx, mpls_bos); | |
768 | } | |
769 | ||
bef3f465 BP |
770 | /* Modifies 'match' so that the TTL of MPLS label 'idx' is wildcarded. */ |
771 | void | |
772 | match_set_any_mpls_ttl(struct match *match, int idx) | |
773 | { | |
774 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_TTL_MASK); | |
775 | flow_set_mpls_ttl(&match->flow, idx, 0); | |
776 | } | |
777 | ||
778 | /* Modifies 'match' so that it matches only packets in which the TTL of MPLS | |
779 | * label 'idx' equals 'mpls_ttl'. */ | |
780 | void | |
781 | match_set_mpls_ttl(struct match *match, int idx, uint8_t mpls_ttl) | |
782 | { | |
783 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_TTL_MASK); | |
784 | flow_set_mpls_ttl(&match->flow, idx, mpls_ttl); | |
785 | } | |
786 | ||
8bfd0fda BP |
787 | /* Modifies 'match' so that the MPLS LSE is wildcarded. */ |
788 | void | |
789 | match_set_any_mpls_lse(struct match *match, int idx) | |
b02475c5 | 790 | { |
8bfd0fda BP |
791 | match->wc.masks.mpls_lse[idx] = htonl(0); |
792 | flow_set_mpls_lse(&match->flow, idx, htonl(0)); | |
b02475c5 SH |
793 | } |
794 | ||
81a76618 BP |
795 | void |
796 | match_set_tp_src(struct match *match, ovs_be16 tp_src) | |
797 | { | |
b8266395 | 798 | match_set_tp_src_masked(match, tp_src, OVS_BE16_MAX); |
81a76618 BP |
799 | } |
800 | ||
801 | void | |
802 | match_set_tp_src_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
803 | { | |
804 | match->flow.tp_src = port & mask; | |
805 | match->wc.masks.tp_src = mask; | |
806 | } | |
807 | ||
808 | void | |
809 | match_set_tp_dst(struct match *match, ovs_be16 tp_dst) | |
810 | { | |
b8266395 | 811 | match_set_tp_dst_masked(match, tp_dst, OVS_BE16_MAX); |
81a76618 BP |
812 | } |
813 | ||
814 | void | |
815 | match_set_tp_dst_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
816 | { | |
817 | match->flow.tp_dst = port & mask; | |
818 | match->wc.masks.tp_dst = mask; | |
819 | } | |
820 | ||
dc235f7f JR |
821 | void |
822 | match_set_tcp_flags(struct match *match, ovs_be16 flags) | |
823 | { | |
824 | match_set_tcp_flags_masked(match, flags, OVS_BE16_MAX); | |
825 | } | |
826 | ||
827 | void | |
828 | match_set_tcp_flags_masked(struct match *match, ovs_be16 flags, ovs_be16 mask) | |
829 | { | |
830 | match->flow.tcp_flags = flags & mask; | |
831 | match->wc.masks.tcp_flags = mask; | |
832 | } | |
833 | ||
81a76618 BP |
834 | void |
835 | match_set_nw_proto(struct match *match, uint8_t nw_proto) | |
836 | { | |
837 | match->flow.nw_proto = nw_proto; | |
838 | match->wc.masks.nw_proto = UINT8_MAX; | |
839 | } | |
840 | ||
841 | void | |
842 | match_set_nw_src(struct match *match, ovs_be32 nw_src) | |
843 | { | |
844 | match->flow.nw_src = nw_src; | |
b8266395 | 845 | match->wc.masks.nw_src = OVS_BE32_MAX; |
81a76618 BP |
846 | } |
847 | ||
848 | void | |
849 | match_set_nw_src_masked(struct match *match, | |
850 | ovs_be32 nw_src, ovs_be32 mask) | |
851 | { | |
852 | match->flow.nw_src = nw_src & mask; | |
853 | match->wc.masks.nw_src = mask; | |
854 | } | |
855 | ||
856 | void | |
857 | match_set_nw_dst(struct match *match, ovs_be32 nw_dst) | |
858 | { | |
859 | match->flow.nw_dst = nw_dst; | |
b8266395 | 860 | match->wc.masks.nw_dst = OVS_BE32_MAX; |
81a76618 BP |
861 | } |
862 | ||
863 | void | |
864 | match_set_nw_dst_masked(struct match *match, ovs_be32 ip, ovs_be32 mask) | |
865 | { | |
866 | match->flow.nw_dst = ip & mask; | |
867 | match->wc.masks.nw_dst = mask; | |
868 | } | |
869 | ||
870 | void | |
871 | match_set_nw_dscp(struct match *match, uint8_t nw_dscp) | |
872 | { | |
873 | match->wc.masks.nw_tos |= IP_DSCP_MASK; | |
874 | match->flow.nw_tos &= ~IP_DSCP_MASK; | |
875 | match->flow.nw_tos |= nw_dscp & IP_DSCP_MASK; | |
876 | } | |
877 | ||
878 | void | |
879 | match_set_nw_ecn(struct match *match, uint8_t nw_ecn) | |
880 | { | |
881 | match->wc.masks.nw_tos |= IP_ECN_MASK; | |
882 | match->flow.nw_tos &= ~IP_ECN_MASK; | |
883 | match->flow.nw_tos |= nw_ecn & IP_ECN_MASK; | |
884 | } | |
885 | ||
886 | void | |
887 | match_set_nw_ttl(struct match *match, uint8_t nw_ttl) | |
888 | { | |
889 | match->wc.masks.nw_ttl = UINT8_MAX; | |
890 | match->flow.nw_ttl = nw_ttl; | |
891 | } | |
892 | ||
c489ad67 PB |
893 | void |
894 | match_set_nw_ttl_masked(struct match *match, uint8_t nw_ttl, uint8_t mask) | |
895 | { | |
896 | match->flow.nw_ttl = nw_ttl & mask; | |
897 | match->wc.masks.nw_ttl = mask; | |
898 | } | |
899 | ||
81a76618 BP |
900 | void |
901 | match_set_nw_frag(struct match *match, uint8_t nw_frag) | |
902 | { | |
903 | match->wc.masks.nw_frag |= FLOW_NW_FRAG_MASK; | |
904 | match->flow.nw_frag = nw_frag; | |
905 | } | |
906 | ||
907 | void | |
908 | match_set_nw_frag_masked(struct match *match, | |
909 | uint8_t nw_frag, uint8_t mask) | |
910 | { | |
911 | match->flow.nw_frag = nw_frag & mask; | |
912 | match->wc.masks.nw_frag = mask; | |
913 | } | |
914 | ||
915 | void | |
916 | match_set_icmp_type(struct match *match, uint8_t icmp_type) | |
917 | { | |
918 | match_set_tp_src(match, htons(icmp_type)); | |
919 | } | |
920 | ||
921 | void | |
922 | match_set_icmp_code(struct match *match, uint8_t icmp_code) | |
923 | { | |
924 | match_set_tp_dst(match, htons(icmp_code)); | |
925 | } | |
926 | ||
927 | void | |
74ff3298 | 928 | match_set_arp_sha(struct match *match, const struct eth_addr sha) |
81a76618 | 929 | { |
74ff3298 JR |
930 | match->flow.arp_sha = sha; |
931 | match->wc.masks.arp_sha = eth_addr_exact; | |
81a76618 BP |
932 | } |
933 | ||
934 | void | |
935 | match_set_arp_sha_masked(struct match *match, | |
74ff3298 JR |
936 | const struct eth_addr arp_sha, |
937 | const struct eth_addr mask) | |
81a76618 BP |
938 | { |
939 | set_eth_masked(arp_sha, mask, | |
74ff3298 | 940 | &match->flow.arp_sha, &match->wc.masks.arp_sha); |
81a76618 BP |
941 | } |
942 | ||
943 | void | |
74ff3298 | 944 | match_set_arp_tha(struct match *match, const struct eth_addr tha) |
81a76618 | 945 | { |
74ff3298 JR |
946 | match->flow.arp_tha = tha; |
947 | match->wc.masks.arp_tha = eth_addr_exact; | |
81a76618 BP |
948 | } |
949 | ||
950 | void | |
951 | match_set_arp_tha_masked(struct match *match, | |
74ff3298 JR |
952 | const struct eth_addr arp_tha, |
953 | const struct eth_addr mask) | |
81a76618 BP |
954 | { |
955 | set_eth_masked(arp_tha, mask, | |
74ff3298 | 956 | &match->flow.arp_tha, &match->wc.masks.arp_tha); |
81a76618 BP |
957 | } |
958 | ||
959 | void | |
960 | match_set_ipv6_src(struct match *match, const struct in6_addr *src) | |
961 | { | |
962 | match->flow.ipv6_src = *src; | |
963 | match->wc.masks.ipv6_src = in6addr_exact; | |
964 | } | |
965 | ||
966 | void | |
967 | match_set_ipv6_src_masked(struct match *match, const struct in6_addr *src, | |
968 | const struct in6_addr *mask) | |
969 | { | |
970 | match->flow.ipv6_src = ipv6_addr_bitand(src, mask); | |
971 | match->wc.masks.ipv6_src = *mask; | |
972 | } | |
973 | ||
974 | void | |
975 | match_set_ipv6_dst(struct match *match, const struct in6_addr *dst) | |
976 | { | |
977 | match->flow.ipv6_dst = *dst; | |
978 | match->wc.masks.ipv6_dst = in6addr_exact; | |
979 | } | |
980 | ||
981 | void | |
982 | match_set_ipv6_dst_masked(struct match *match, const struct in6_addr *dst, | |
983 | const struct in6_addr *mask) | |
984 | { | |
985 | match->flow.ipv6_dst = ipv6_addr_bitand(dst, mask); | |
986 | match->wc.masks.ipv6_dst = *mask; | |
987 | } | |
988 | ||
989 | void | |
990 | match_set_ipv6_label(struct match *match, ovs_be32 ipv6_label) | |
991 | { | |
b8266395 | 992 | match->wc.masks.ipv6_label = OVS_BE32_MAX; |
81a76618 BP |
993 | match->flow.ipv6_label = ipv6_label; |
994 | } | |
995 | ||
996 | ||
997 | void | |
998 | match_set_ipv6_label_masked(struct match *match, ovs_be32 ipv6_label, | |
999 | ovs_be32 mask) | |
1000 | { | |
1001 | match->flow.ipv6_label = ipv6_label & mask; | |
1002 | match->wc.masks.ipv6_label = mask; | |
1003 | } | |
1004 | ||
1005 | void | |
1006 | match_set_nd_target(struct match *match, const struct in6_addr *target) | |
1007 | { | |
1008 | match->flow.nd_target = *target; | |
1009 | match->wc.masks.nd_target = in6addr_exact; | |
1010 | } | |
1011 | ||
1012 | void | |
1013 | match_set_nd_target_masked(struct match *match, | |
1014 | const struct in6_addr *target, | |
1015 | const struct in6_addr *mask) | |
1016 | { | |
1017 | match->flow.nd_target = ipv6_addr_bitand(target, mask); | |
1018 | match->wc.masks.nd_target = *mask; | |
1019 | } | |
1020 | ||
1021 | /* Returns true if 'a' and 'b' wildcard the same fields and have the same | |
1022 | * values for fixed fields, otherwise false. */ | |
1023 | bool | |
1024 | match_equal(const struct match *a, const struct match *b) | |
1025 | { | |
1026 | return (flow_wildcards_equal(&a->wc, &b->wc) | |
1027 | && flow_equal(&a->flow, &b->flow)); | |
1028 | } | |
1029 | ||
1030 | /* Returns a hash value for the flow and wildcards in 'match', starting from | |
1031 | * 'basis'. */ | |
1032 | uint32_t | |
1033 | match_hash(const struct match *match, uint32_t basis) | |
1034 | { | |
1035 | return flow_wildcards_hash(&match->wc, flow_hash(&match->flow, basis)); | |
1036 | } | |
1037 | ||
adcf00ba AZ |
1038 | static bool |
1039 | match_has_default_recirc_id(const struct match *m) | |
1040 | { | |
1041 | return m->flow.recirc_id == 0 && (m->wc.masks.recirc_id == UINT32_MAX || | |
1042 | m->wc.masks.recirc_id == 0); | |
1043 | } | |
1044 | ||
1045 | static bool | |
1046 | match_has_default_dp_hash(const struct match *m) | |
1047 | { | |
1048 | return ((m->flow.dp_hash | m->wc.masks.dp_hash) == 0); | |
1049 | } | |
1050 | ||
1051 | /* Return true if the hidden fields of the match are set to the default values. | |
1052 | * The default values equals to those set up by match_init_hidden_fields(). */ | |
1053 | bool | |
1054 | match_has_default_hidden_fields(const struct match *m) | |
1055 | { | |
1056 | return match_has_default_recirc_id(m) && match_has_default_dp_hash(m); | |
1057 | } | |
1058 | ||
1059 | void | |
1060 | match_init_hidden_fields(struct match *m) | |
1061 | { | |
1062 | match_set_recirc_id(m, 0); | |
1063 | match_set_dp_hash_masked(m, 0, 0); | |
1064 | } | |
1065 | ||
81a76618 | 1066 | static void |
3bd0fd39 | 1067 | format_eth_masked(struct ds *s, const char *name, |
74ff3298 | 1068 | const struct eth_addr eth, const struct eth_addr mask) |
81a76618 BP |
1069 | { |
1070 | if (!eth_addr_is_zero(mask)) { | |
0deec6d2 | 1071 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
74ff3298 | 1072 | eth_format_masked(eth, &mask, s); |
81a76618 BP |
1073 | ds_put_char(s, ','); |
1074 | } | |
1075 | } | |
1076 | ||
1077 | static void | |
1078 | format_ip_netmask(struct ds *s, const char *name, ovs_be32 ip, | |
1079 | ovs_be32 netmask) | |
1080 | { | |
1081 | if (netmask) { | |
0deec6d2 | 1082 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
81a76618 BP |
1083 | ip_format_masked(ip, netmask, s); |
1084 | ds_put_char(s, ','); | |
1085 | } | |
1086 | } | |
1087 | ||
1088 | static void | |
1089 | format_ipv6_netmask(struct ds *s, const char *name, | |
1090 | const struct in6_addr *addr, | |
1091 | const struct in6_addr *netmask) | |
1092 | { | |
1093 | if (!ipv6_mask_is_any(netmask)) { | |
0deec6d2 | 1094 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
ac6d120f | 1095 | ipv6_format_masked(addr, netmask, s); |
81a76618 BP |
1096 | ds_put_char(s, ','); |
1097 | } | |
1098 | } | |
1099 | ||
3d2fbd70 JS |
1100 | static void |
1101 | format_uint8_masked(struct ds *s, const char *name, | |
1102 | uint8_t value, uint8_t mask) | |
1103 | { | |
1104 | if (mask != 0) { | |
1105 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); | |
1106 | if (mask == UINT8_MAX) { | |
1107 | ds_put_format(s, "%"PRIu8, value); | |
1108 | } else { | |
1109 | ds_put_format(s, "0x%02"PRIx8"/0x%02"PRIx8, value, mask); | |
1110 | } | |
1111 | ds_put_char(s, ','); | |
1112 | } | |
1113 | } | |
1114 | ||
07659514 JS |
1115 | static void |
1116 | format_uint16_masked(struct ds *s, const char *name, | |
1117 | uint16_t value, uint16_t mask) | |
1118 | { | |
1119 | if (mask != 0) { | |
0deec6d2 | 1120 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
07659514 JS |
1121 | if (mask == UINT16_MAX) { |
1122 | ds_put_format(s, "%"PRIu16, value); | |
1123 | } else { | |
1124 | ds_put_format(s, "0x%"PRIx16"/0x%"PRIx16, value, mask); | |
1125 | } | |
1126 | ds_put_char(s, ','); | |
1127 | } | |
1128 | } | |
1129 | ||
81a76618 BP |
1130 | static void |
1131 | format_be16_masked(struct ds *s, const char *name, | |
1132 | ovs_be16 value, ovs_be16 mask) | |
1133 | { | |
1134 | if (mask != htons(0)) { | |
0deec6d2 | 1135 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
b8266395 | 1136 | if (mask == OVS_BE16_MAX) { |
81a76618 BP |
1137 | ds_put_format(s, "%"PRIu16, ntohs(value)); |
1138 | } else { | |
1139 | ds_put_format(s, "0x%"PRIx16"/0x%"PRIx16, | |
1140 | ntohs(value), ntohs(mask)); | |
1141 | } | |
1142 | ds_put_char(s, ','); | |
1143 | } | |
1144 | } | |
1145 | ||
8bfd0fda BP |
1146 | static void |
1147 | format_be32_masked(struct ds *s, const char *name, | |
1148 | ovs_be32 value, ovs_be32 mask) | |
1149 | { | |
1150 | if (mask != htonl(0)) { | |
0deec6d2 | 1151 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
8bfd0fda BP |
1152 | if (mask == OVS_BE32_MAX) { |
1153 | ds_put_format(s, "%"PRIu32, ntohl(value)); | |
3d2fbd70 JS |
1154 | } else { |
1155 | ds_put_format(s, "0x%08"PRIx32"/0x%08"PRIx32, | |
1156 | ntohl(value), ntohl(mask)); | |
1157 | } | |
1158 | ds_put_char(s, ','); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | static void | |
1163 | format_be32_masked_hex(struct ds *s, const char *name, | |
1164 | ovs_be32 value, ovs_be32 mask) | |
1165 | { | |
1166 | if (mask != htonl(0)) { | |
1167 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); | |
1168 | if (mask == OVS_BE32_MAX) { | |
1169 | ds_put_format(s, "0x%"PRIx32, ntohl(value)); | |
8bfd0fda BP |
1170 | } else { |
1171 | ds_put_format(s, "0x%"PRIx32"/0x%"PRIx32, | |
1172 | ntohl(value), ntohl(mask)); | |
1173 | } | |
1174 | ds_put_char(s, ','); | |
1175 | } | |
1176 | } | |
1177 | ||
b60f804e AZ |
1178 | static void |
1179 | format_uint32_masked(struct ds *s, const char *name, | |
1180 | uint32_t value, uint32_t mask) | |
1181 | { | |
1182 | if (mask) { | |
0deec6d2 QM |
1183 | ds_put_format(s, "%s%s=%s%#"PRIx32, |
1184 | colors.param, name, colors.end, value); | |
b60f804e AZ |
1185 | if (mask != UINT32_MAX) { |
1186 | ds_put_format(s, "/%#"PRIx32, mask); | |
1187 | } | |
1188 | ds_put_char(s, ','); | |
1189 | } | |
1190 | } | |
1191 | ||
1192 | static void | |
1193 | format_be64_masked(struct ds *s, const char *name, | |
1194 | ovs_be64 value, ovs_be64 mask) | |
1195 | { | |
1196 | if (mask != htonll(0)) { | |
0deec6d2 QM |
1197 | ds_put_format(s, "%s%s=%s%#"PRIx64, |
1198 | colors.param, name, colors.end, ntohll(value)); | |
b60f804e AZ |
1199 | if (mask != OVS_BE64_MAX) { |
1200 | ds_put_format(s, "/%#"PRIx64, ntohll(mask)); | |
1201 | } | |
1202 | ds_put_char(s, ','); | |
1203 | } | |
1204 | } | |
1205 | ||
4fe3445a PS |
1206 | static void |
1207 | format_flow_tunnel(struct ds *s, const struct match *match) | |
1208 | { | |
1209 | const struct flow_wildcards *wc = &match->wc; | |
1210 | const struct flow_tnl *tnl = &match->flow.tunnel; | |
1211 | ||
b60f804e | 1212 | format_be64_masked(s, "tun_id", tnl->tun_id, wc->masks.tunnel.tun_id); |
4fe3445a PS |
1213 | format_ip_netmask(s, "tun_src", tnl->ip_src, wc->masks.tunnel.ip_src); |
1214 | format_ip_netmask(s, "tun_dst", tnl->ip_dst, wc->masks.tunnel.ip_dst); | |
ffe4c74f JB |
1215 | format_ipv6_netmask(s, "tun_ipv6_src", &tnl->ipv6_src, |
1216 | &wc->masks.tunnel.ipv6_src); | |
1217 | format_ipv6_netmask(s, "tun_ipv6_dst", &tnl->ipv6_dst, | |
1218 | &wc->masks.tunnel.ipv6_dst); | |
4fe3445a | 1219 | |
ac6073e3 MC |
1220 | if (wc->masks.tunnel.gbp_id) { |
1221 | format_be16_masked(s, "tun_gbp_id", tnl->gbp_id, | |
1222 | wc->masks.tunnel.gbp_id); | |
1223 | } | |
1224 | ||
1225 | if (wc->masks.tunnel.gbp_flags) { | |
1226 | ds_put_format(s, "tun_gbp_flags=%#"PRIx8",", tnl->gbp_flags); | |
1227 | } | |
1228 | ||
4fe3445a PS |
1229 | if (wc->masks.tunnel.ip_tos) { |
1230 | ds_put_format(s, "tun_tos=%"PRIx8",", tnl->ip_tos); | |
1231 | } | |
1232 | if (wc->masks.tunnel.ip_ttl) { | |
1233 | ds_put_format(s, "tun_ttl=%"PRIu8",", tnl->ip_ttl); | |
1234 | } | |
3721b406 | 1235 | if (wc->masks.tunnel.flags & FLOW_TNL_F_MASK) { |
b666962b | 1236 | format_flags_masked(s, "tun_flags", flow_tun_flag_to_string, |
3721b406 | 1237 | tnl->flags & FLOW_TNL_F_MASK, |
b666962b JG |
1238 | wc->masks.tunnel.flags & FLOW_TNL_F_MASK, |
1239 | FLOW_TNL_F_MASK); | |
4fe3445a PS |
1240 | ds_put_char(s, ','); |
1241 | } | |
9558d2a5 | 1242 | tun_metadata_match_format(s, match); |
4fe3445a PS |
1243 | } |
1244 | ||
9daf2348 JS |
1245 | static void |
1246 | format_ct_label_masked(struct ds *s, const ovs_u128 *key, const ovs_u128 *mask) | |
1247 | { | |
2ff8484b | 1248 | if (!ovs_u128_is_zero(*mask)) { |
32ea15f6 | 1249 | ovs_be128 value = hton128(*key); |
0deec6d2 | 1250 | ds_put_format(s, "%sct_label=%s", colors.param, colors.end); |
9daf2348 JS |
1251 | ds_put_hex(s, &value, sizeof value); |
1252 | if (!is_all_ones(mask, sizeof(*mask))) { | |
32ea15f6 | 1253 | value = hton128(*mask); |
9daf2348 JS |
1254 | ds_put_char(s, '/'); |
1255 | ds_put_hex(s, &value, sizeof value); | |
1256 | } | |
1257 | ds_put_char(s, ','); | |
1258 | } | |
1259 | } | |
1260 | ||
3d2fbd70 JS |
1261 | static void |
1262 | format_nsh_masked(struct ds *s, const struct flow *f, const struct flow *m) | |
1263 | { | |
17553f27 YY |
1264 | ovs_be32 spi_mask = nsh_path_hdr_to_spi(m->nsh.path_hdr); |
1265 | if (spi_mask == htonl(NSH_SPI_MASK >> NSH_SPI_SHIFT)) { | |
1266 | spi_mask = OVS_BE32_MAX; | |
1267 | } | |
3d2fbd70 | 1268 | format_uint8_masked(s, "nsh_flags", f->nsh.flags, m->nsh.flags); |
17553f27 | 1269 | format_uint8_masked(s, "nsh_ttl", f->nsh.ttl, m->nsh.ttl); |
3d2fbd70 JS |
1270 | format_uint8_masked(s, "nsh_mdtype", f->nsh.mdtype, m->nsh.mdtype); |
1271 | format_uint8_masked(s, "nsh_np", f->nsh.np, m->nsh.np); | |
17553f27 YY |
1272 | |
1273 | format_be32_masked_hex(s, "nsh_spi", nsh_path_hdr_to_spi(f->nsh.path_hdr), | |
1274 | spi_mask); | |
1275 | format_uint8_masked(s, "nsh_si", nsh_path_hdr_to_si(f->nsh.path_hdr), | |
1276 | nsh_path_hdr_to_si(m->nsh.path_hdr)); | |
3d2fbd70 | 1277 | if (m->nsh.mdtype == UINT8_MAX && f->nsh.mdtype == NSH_M_TYPE1) { |
f59cb331 YY |
1278 | format_be32_masked_hex(s, "nsh_c1", f->nsh.context[0], |
1279 | m->nsh.context[0]); | |
1280 | format_be32_masked_hex(s, "nsh_c2", f->nsh.context[1], | |
1281 | m->nsh.context[1]); | |
1282 | format_be32_masked_hex(s, "nsh_c3", f->nsh.context[2], | |
1283 | m->nsh.context[2]); | |
1284 | format_be32_masked_hex(s, "nsh_c4", f->nsh.context[3], | |
1285 | m->nsh.context[3]); | |
3d2fbd70 JS |
1286 | } |
1287 | } | |
1288 | ||
81a76618 | 1289 | /* Appends a string representation of 'match' to 's'. If 'priority' is |
50f96b10 BP |
1290 | * different from OFP_DEFAULT_PRIORITY, includes it in 's'. If 'port_map' is |
1291 | * nonnull, uses it to translate port numbers to names in output. */ | |
81a76618 | 1292 | void |
50f96b10 BP |
1293 | match_format(const struct match *match, |
1294 | const struct ofputil_port_map *port_map, | |
1295 | struct ds *s, int priority) | |
81a76618 BP |
1296 | { |
1297 | const struct flow_wildcards *wc = &match->wc; | |
1298 | size_t start_len = s->length; | |
1299 | const struct flow *f = &match->flow; | |
1300 | bool skip_type = false; | |
1301 | bool skip_proto = false; | |
3d4b2e6e | 1302 | ovs_be16 dl_type = f->dl_type; |
e3981271 | 1303 | bool is_megaflow = false; |
81a76618 BP |
1304 | int i; |
1305 | ||
3d2fbd70 | 1306 | BUILD_ASSERT_DECL(FLOW_WC_SEQ == 40); |
81a76618 BP |
1307 | |
1308 | if (priority != OFP_DEFAULT_PRIORITY) { | |
0deec6d2 QM |
1309 | ds_put_format(s, "%spriority=%s%d,", |
1310 | colors.special, colors.end, priority); | |
81a76618 BP |
1311 | } |
1312 | ||
b60f804e | 1313 | format_uint32_masked(s, "pkt_mark", f->pkt_mark, wc->masks.pkt_mark); |
1b567fb9 | 1314 | |
a79f29f2 AZ |
1315 | if (wc->masks.recirc_id) { |
1316 | format_uint32_masked(s, "recirc_id", f->recirc_id, | |
1317 | wc->masks.recirc_id); | |
e3981271 | 1318 | is_megaflow = true; |
a79f29f2 AZ |
1319 | } |
1320 | ||
330de069 | 1321 | if (wc->masks.dp_hash) { |
a79f29f2 AZ |
1322 | format_uint32_masked(s, "dp_hash", f->dp_hash, |
1323 | wc->masks.dp_hash); | |
1324 | } | |
1325 | ||
18080541 | 1326 | if (wc->masks.conj_id) { |
0deec6d2 QM |
1327 | ds_put_format(s, "%sconj_id%s=%"PRIu32",", |
1328 | colors.param, colors.end, f->conj_id); | |
18080541 BP |
1329 | } |
1330 | ||
1b567fb9 | 1331 | if (wc->masks.skb_priority) { |
0deec6d2 QM |
1332 | ds_put_format(s, "%sskb_priority=%s%#"PRIx32",", |
1333 | colors.param, colors.end, f->skb_priority); | |
1b567fb9 AA |
1334 | } |
1335 | ||
c61f3870 | 1336 | if (wc->masks.actset_output) { |
0deec6d2 | 1337 | ds_put_format(s, "%sactset_output=%s", colors.param, colors.end); |
50f96b10 | 1338 | ofputil_format_port(f->actset_output, port_map, s); |
c61f3870 BP |
1339 | ds_put_char(s, ','); |
1340 | } | |
1341 | ||
07659514 | 1342 | if (wc->masks.ct_state) { |
2a28ccc8 | 1343 | if (wc->masks.ct_state == UINT8_MAX) { |
0deec6d2 | 1344 | ds_put_format(s, "%sct_state=%s", colors.param, colors.end); |
07659514 JS |
1345 | if (f->ct_state) { |
1346 | format_flags(s, ct_state_to_string, f->ct_state, '|'); | |
1347 | } else { | |
1348 | ds_put_cstr(s, "0"); /* No state. */ | |
1349 | } | |
1350 | } else { | |
1351 | format_flags_masked(s, "ct_state", ct_state_to_string, | |
2a28ccc8 | 1352 | f->ct_state, wc->masks.ct_state, UINT8_MAX); |
07659514 JS |
1353 | } |
1354 | ds_put_char(s, ','); | |
1355 | } | |
1356 | ||
1357 | if (wc->masks.ct_zone) { | |
1358 | format_uint16_masked(s, "ct_zone", f->ct_zone, wc->masks.ct_zone); | |
1359 | } | |
1360 | ||
8e53fe8c JS |
1361 | if (wc->masks.ct_mark) { |
1362 | format_uint32_masked(s, "ct_mark", f->ct_mark, wc->masks.ct_mark); | |
1363 | } | |
1364 | ||
2ff8484b | 1365 | if (!ovs_u128_is_zero(wc->masks.ct_label)) { |
9daf2348 JS |
1366 | format_ct_label_masked(s, &f->ct_label, &wc->masks.ct_label); |
1367 | } | |
1368 | ||
daf4d3c1 JR |
1369 | format_ip_netmask(s, "ct_nw_src", f->ct_nw_src, |
1370 | wc->masks.ct_nw_src); | |
1371 | format_ipv6_netmask(s, "ct_ipv6_src", &f->ct_ipv6_src, | |
1372 | &wc->masks.ct_ipv6_src); | |
1373 | format_ip_netmask(s, "ct_nw_dst", f->ct_nw_dst, | |
1374 | wc->masks.ct_nw_dst); | |
1375 | format_ipv6_netmask(s, "ct_ipv6_dst", &f->ct_ipv6_dst, | |
1376 | &wc->masks.ct_ipv6_dst); | |
1377 | if (wc->masks.ct_nw_proto) { | |
1378 | ds_put_format(s, "%sct_nw_proto=%s%"PRIu8",", | |
1379 | colors.param, colors.end, f->ct_nw_proto); | |
1380 | format_be16_masked(s, "ct_tp_src", f->ct_tp_src, wc->masks.ct_tp_src); | |
1381 | format_be16_masked(s, "ct_tp_dst", f->ct_tp_dst, wc->masks.ct_tp_dst); | |
1382 | } | |
1383 | ||
e3981271 JS |
1384 | if (wc->masks.packet_type && |
1385 | (!match_has_default_packet_type(match) || is_megaflow)) { | |
3d4b2e6e JS |
1386 | format_packet_type_masked(s, f->packet_type, wc->masks.packet_type); |
1387 | ds_put_char(s, ','); | |
1388 | if (pt_ns(f->packet_type) == OFPHTN_ETHERTYPE) { | |
1389 | dl_type = pt_ns_type_be(f->packet_type); | |
beb75a40 JS |
1390 | } |
1391 | } | |
1392 | ||
81a76618 BP |
1393 | if (wc->masks.dl_type) { |
1394 | skip_type = true; | |
3d4b2e6e | 1395 | if (dl_type == htons(ETH_TYPE_IP)) { |
81a76618 BP |
1396 | if (wc->masks.nw_proto) { |
1397 | skip_proto = true; | |
1398 | if (f->nw_proto == IPPROTO_ICMP) { | |
0deec6d2 | 1399 | ds_put_format(s, "%sicmp%s,", colors.value, colors.end); |
0e612675 | 1400 | } else if (f->nw_proto == IPPROTO_IGMP) { |
0deec6d2 | 1401 | ds_put_format(s, "%sigmp%s,", colors.value, colors.end); |
81a76618 | 1402 | } else if (f->nw_proto == IPPROTO_TCP) { |
0deec6d2 | 1403 | ds_put_format(s, "%stcp%s,", colors.value, colors.end); |
81a76618 | 1404 | } else if (f->nw_proto == IPPROTO_UDP) { |
0deec6d2 | 1405 | ds_put_format(s, "%sudp%s,", colors.value, colors.end); |
0d56eaf2 | 1406 | } else if (f->nw_proto == IPPROTO_SCTP) { |
0deec6d2 | 1407 | ds_put_format(s, "%ssctp%s,", colors.value, colors.end); |
81a76618 | 1408 | } else { |
0deec6d2 | 1409 | ds_put_format(s, "%sip%s,", colors.value, colors.end); |
81a76618 BP |
1410 | skip_proto = false; |
1411 | } | |
1412 | } else { | |
0deec6d2 | 1413 | ds_put_format(s, "%sip%s,", colors.value, colors.end); |
81a76618 | 1414 | } |
3d4b2e6e | 1415 | } else if (dl_type == htons(ETH_TYPE_IPV6)) { |
81a76618 BP |
1416 | if (wc->masks.nw_proto) { |
1417 | skip_proto = true; | |
1418 | if (f->nw_proto == IPPROTO_ICMPV6) { | |
0deec6d2 | 1419 | ds_put_format(s, "%sicmp6%s,", colors.value, colors.end); |
81a76618 | 1420 | } else if (f->nw_proto == IPPROTO_TCP) { |
0deec6d2 | 1421 | ds_put_format(s, "%stcp6%s,", colors.value, colors.end); |
81a76618 | 1422 | } else if (f->nw_proto == IPPROTO_UDP) { |
0deec6d2 | 1423 | ds_put_format(s, "%sudp6%s,", colors.value, colors.end); |
0d56eaf2 | 1424 | } else if (f->nw_proto == IPPROTO_SCTP) { |
0deec6d2 | 1425 | ds_put_format(s, "%ssctp6%s,", colors.value, colors.end); |
81a76618 | 1426 | } else { |
0deec6d2 | 1427 | ds_put_format(s, "%sipv6%s,", colors.value, colors.end); |
81a76618 BP |
1428 | skip_proto = false; |
1429 | } | |
1430 | } else { | |
0deec6d2 | 1431 | ds_put_format(s, "%sipv6%s,", colors.value, colors.end); |
81a76618 | 1432 | } |
3d4b2e6e | 1433 | } else if (dl_type == htons(ETH_TYPE_ARP)) { |
0deec6d2 | 1434 | ds_put_format(s, "%sarp%s,", colors.value, colors.end); |
3d4b2e6e | 1435 | } else if (dl_type == htons(ETH_TYPE_RARP)) { |
0deec6d2 | 1436 | ds_put_format(s, "%srarp%s,", colors.value, colors.end); |
3d4b2e6e | 1437 | } else if (dl_type == htons(ETH_TYPE_MPLS)) { |
0deec6d2 | 1438 | ds_put_format(s, "%smpls%s,", colors.value, colors.end); |
3d4b2e6e | 1439 | } else if (dl_type == htons(ETH_TYPE_MPLS_MCAST)) { |
0deec6d2 | 1440 | ds_put_format(s, "%smplsm%s,", colors.value, colors.end); |
81a76618 BP |
1441 | } else { |
1442 | skip_type = false; | |
1443 | } | |
1444 | } | |
1445 | for (i = 0; i < FLOW_N_REGS; i++) { | |
b60f804e AZ |
1446 | #define REGNAME_LEN 20 |
1447 | char regname[REGNAME_LEN]; | |
1448 | if (snprintf(regname, REGNAME_LEN, "reg%d", i) >= REGNAME_LEN) { | |
1449 | strcpy(regname, "reg?"); | |
81a76618 | 1450 | } |
b60f804e | 1451 | format_uint32_masked(s, regname, f->regs[i], wc->masks.regs[i]); |
81a76618 | 1452 | } |
4fe3445a PS |
1453 | |
1454 | format_flow_tunnel(s, match); | |
1455 | ||
b60f804e AZ |
1456 | format_be64_masked(s, "metadata", f->metadata, wc->masks.metadata); |
1457 | ||
4e022ec0 | 1458 | if (wc->masks.in_port.ofp_port) { |
0deec6d2 | 1459 | ds_put_format(s, "%sin_port=%s", colors.param, colors.end); |
50f96b10 | 1460 | ofputil_format_port(f->in_port.ofp_port, port_map, s); |
576ec803 | 1461 | ds_put_char(s, ','); |
81a76618 | 1462 | } |
f0fb825a EG |
1463 | for (i = 0; i < FLOW_MAX_VLAN_HEADERS; i++) { |
1464 | char str_i[8]; | |
81a76618 | 1465 | |
f0fb825a EG |
1466 | if (!wc->masks.vlans[i].tci) { |
1467 | break; | |
1468 | } | |
1469 | ||
1470 | /* Print VLAN tags as dl_vlan, dl_vlan1, dl_vlan2 ... */ | |
1471 | if (i == 0) { | |
1472 | str_i[0] = '\0'; | |
1473 | } else { | |
1474 | snprintf(str_i, sizeof(str_i), "%d", i); | |
1475 | } | |
1476 | ovs_be16 vid_mask = wc->masks.vlans[i].tci & htons(VLAN_VID_MASK); | |
1477 | ovs_be16 pcp_mask = wc->masks.vlans[i].tci & htons(VLAN_PCP_MASK); | |
1478 | ovs_be16 cfi = wc->masks.vlans[i].tci & htons(VLAN_CFI); | |
1479 | ||
1480 | if (cfi && f->vlans[i].tci & htons(VLAN_CFI) | |
81a76618 BP |
1481 | && (!vid_mask || vid_mask == htons(VLAN_VID_MASK)) |
1482 | && (!pcp_mask || pcp_mask == htons(VLAN_PCP_MASK)) | |
1483 | && (vid_mask || pcp_mask)) { | |
1484 | if (vid_mask) { | |
f0fb825a EG |
1485 | ds_put_format(s, "%sdl_vlan%s=%s%"PRIu16",", |
1486 | colors.param, str_i, colors.end, | |
1487 | vlan_tci_to_vid(f->vlans[i].tci)); | |
81a76618 BP |
1488 | } |
1489 | if (pcp_mask) { | |
f0fb825a EG |
1490 | ds_put_format(s, "%sdl_vlan_pcp%s=%s%d,", |
1491 | colors.param, str_i, colors.end, | |
1492 | vlan_tci_to_pcp(f->vlans[i].tci)); | |
81a76618 | 1493 | } |
f0fb825a EG |
1494 | } else if (wc->masks.vlans[i].tci == htons(0xffff)) { |
1495 | ds_put_format(s, "%svlan_tci%s=%s0x%04"PRIx16",", | |
1496 | colors.param, str_i, colors.end, | |
1497 | ntohs(f->vlans[i].tci)); | |
81a76618 | 1498 | } else { |
f0fb825a EG |
1499 | ds_put_format(s, "%svlan_tci%s=%s0x%04"PRIx16"/0x%04"PRIx16",", |
1500 | colors.param, str_i, colors.end, | |
1501 | ntohs(f->vlans[i].tci), | |
1502 | ntohs(wc->masks.vlans[i].tci)); | |
81a76618 BP |
1503 | } |
1504 | } | |
beb75a40 | 1505 | |
81a76618 BP |
1506 | format_eth_masked(s, "dl_src", f->dl_src, wc->masks.dl_src); |
1507 | format_eth_masked(s, "dl_dst", f->dl_dst, wc->masks.dl_dst); | |
beb75a40 | 1508 | |
81a76618 | 1509 | if (!skip_type && wc->masks.dl_type) { |
0deec6d2 | 1510 | ds_put_format(s, "%sdl_type=%s0x%04"PRIx16",", |
3d4b2e6e | 1511 | colors.param, colors.end, ntohs(dl_type)); |
81a76618 | 1512 | } |
3d4b2e6e | 1513 | if (dl_type == htons(ETH_TYPE_IPV6)) { |
81a76618 BP |
1514 | format_ipv6_netmask(s, "ipv6_src", &f->ipv6_src, &wc->masks.ipv6_src); |
1515 | format_ipv6_netmask(s, "ipv6_dst", &f->ipv6_dst, &wc->masks.ipv6_dst); | |
1516 | if (wc->masks.ipv6_label) { | |
b8266395 | 1517 | if (wc->masks.ipv6_label == OVS_BE32_MAX) { |
0deec6d2 QM |
1518 | ds_put_format(s, "%sipv6_label=%s0x%05"PRIx32",", |
1519 | colors.param, colors.end, | |
81a76618 BP |
1520 | ntohl(f->ipv6_label)); |
1521 | } else { | |
0deec6d2 QM |
1522 | ds_put_format(s, "%sipv6_label=%s0x%05"PRIx32"/0x%05"PRIx32",", |
1523 | colors.param, colors.end, ntohl(f->ipv6_label), | |
81a76618 BP |
1524 | ntohl(wc->masks.ipv6_label)); |
1525 | } | |
1526 | } | |
3d4b2e6e JS |
1527 | } else if (dl_type == htons(ETH_TYPE_ARP) || |
1528 | dl_type == htons(ETH_TYPE_RARP)) { | |
666d0863 MM |
1529 | format_ip_netmask(s, "arp_spa", f->nw_src, wc->masks.nw_src); |
1530 | format_ip_netmask(s, "arp_tpa", f->nw_dst, wc->masks.nw_dst); | |
3d2fbd70 JS |
1531 | } else if (dl_type == htons(ETH_TYPE_NSH)) { |
1532 | format_nsh_masked(s, f, &wc->masks); | |
81a76618 BP |
1533 | } else { |
1534 | format_ip_netmask(s, "nw_src", f->nw_src, wc->masks.nw_src); | |
1535 | format_ip_netmask(s, "nw_dst", f->nw_dst, wc->masks.nw_dst); | |
1536 | } | |
1537 | if (!skip_proto && wc->masks.nw_proto) { | |
3d4b2e6e JS |
1538 | if (dl_type == htons(ETH_TYPE_ARP) || |
1539 | dl_type == htons(ETH_TYPE_RARP)) { | |
0deec6d2 QM |
1540 | ds_put_format(s, "%sarp_op=%s%"PRIu8",", |
1541 | colors.param, colors.end, f->nw_proto); | |
81a76618 | 1542 | } else { |
0deec6d2 QM |
1543 | ds_put_format(s, "%snw_proto=%s%"PRIu8",", |
1544 | colors.param, colors.end, f->nw_proto); | |
81a76618 BP |
1545 | } |
1546 | } | |
3d4b2e6e JS |
1547 | if (dl_type == htons(ETH_TYPE_ARP) || |
1548 | dl_type == htons(ETH_TYPE_RARP)) { | |
81a76618 BP |
1549 | format_eth_masked(s, "arp_sha", f->arp_sha, wc->masks.arp_sha); |
1550 | format_eth_masked(s, "arp_tha", f->arp_tha, wc->masks.arp_tha); | |
1551 | } | |
1552 | if (wc->masks.nw_tos & IP_DSCP_MASK) { | |
fd13c6b5 | 1553 | ds_put_format(s, "%snw_tos=%s%d,", |
0deec6d2 | 1554 | colors.param, colors.end, f->nw_tos & IP_DSCP_MASK); |
81a76618 BP |
1555 | } |
1556 | if (wc->masks.nw_tos & IP_ECN_MASK) { | |
fd13c6b5 | 1557 | ds_put_format(s, "%snw_ecn=%s%d,", |
0deec6d2 | 1558 | colors.param, colors.end, f->nw_tos & IP_ECN_MASK); |
81a76618 BP |
1559 | } |
1560 | if (wc->masks.nw_ttl) { | |
fd13c6b5 | 1561 | ds_put_format(s, "%snw_ttl=%s%d,", |
0deec6d2 | 1562 | colors.param, colors.end, f->nw_ttl); |
81a76618 | 1563 | } |
8bfd0fda | 1564 | if (wc->masks.mpls_lse[0] & htonl(MPLS_LABEL_MASK)) { |
0deec6d2 QM |
1565 | ds_put_format(s, "%smpls_label=%s%"PRIu32",", colors.param, |
1566 | colors.end, mpls_lse_to_label(f->mpls_lse[0])); | |
b02475c5 | 1567 | } |
8bfd0fda | 1568 | if (wc->masks.mpls_lse[0] & htonl(MPLS_TC_MASK)) { |
0deec6d2 | 1569 | ds_put_format(s, "%smpls_tc=%s%"PRIu8",", colors.param, colors.end, |
78c9486d | 1570 | mpls_lse_to_tc(f->mpls_lse[0])); |
b02475c5 | 1571 | } |
8bfd0fda | 1572 | if (wc->masks.mpls_lse[0] & htonl(MPLS_TTL_MASK)) { |
0deec6d2 | 1573 | ds_put_format(s, "%smpls_ttl=%s%"PRIu8",", colors.param, colors.end, |
78c9486d | 1574 | mpls_lse_to_ttl(f->mpls_lse[0])); |
392c30ba | 1575 | } |
8bfd0fda | 1576 | if (wc->masks.mpls_lse[0] & htonl(MPLS_BOS_MASK)) { |
0deec6d2 | 1577 | ds_put_format(s, "%smpls_bos=%s%"PRIu8",", colors.param, colors.end, |
78c9486d | 1578 | mpls_lse_to_bos(f->mpls_lse[0])); |
b02475c5 | 1579 | } |
8bfd0fda BP |
1580 | format_be32_masked(s, "mpls_lse1", f->mpls_lse[1], wc->masks.mpls_lse[1]); |
1581 | format_be32_masked(s, "mpls_lse2", f->mpls_lse[2], wc->masks.mpls_lse[2]); | |
1582 | ||
81a76618 BP |
1583 | switch (wc->masks.nw_frag) { |
1584 | case FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER: | |
0deec6d2 | 1585 | ds_put_format(s, "%snw_frag=%s%s,", colors.param, colors.end, |
81a76618 BP |
1586 | f->nw_frag & FLOW_NW_FRAG_ANY |
1587 | ? (f->nw_frag & FLOW_NW_FRAG_LATER ? "later" : "first") | |
1588 | : (f->nw_frag & FLOW_NW_FRAG_LATER ? "<error>" : "no")); | |
1589 | break; | |
1590 | ||
1591 | case FLOW_NW_FRAG_ANY: | |
0deec6d2 | 1592 | ds_put_format(s, "%snw_frag=%s%s,", colors.param, colors.end, |
81a76618 BP |
1593 | f->nw_frag & FLOW_NW_FRAG_ANY ? "yes" : "no"); |
1594 | break; | |
1595 | ||
1596 | case FLOW_NW_FRAG_LATER: | |
0deec6d2 | 1597 | ds_put_format(s, "%snw_frag=%s%s,", colors.param, colors.end, |
81a76618 BP |
1598 | f->nw_frag & FLOW_NW_FRAG_LATER ? "later" : "not_later"); |
1599 | break; | |
1600 | } | |
3d4b2e6e | 1601 | if (dl_type == htons(ETH_TYPE_IP) && |
19564d20 | 1602 | f->nw_proto == IPPROTO_ICMP) { |
81a76618 BP |
1603 | format_be16_masked(s, "icmp_type", f->tp_src, wc->masks.tp_src); |
1604 | format_be16_masked(s, "icmp_code", f->tp_dst, wc->masks.tp_dst); | |
3d4b2e6e | 1605 | } else if (dl_type == htons(ETH_TYPE_IP) && |
0e612675 FL |
1606 | f->nw_proto == IPPROTO_IGMP) { |
1607 | format_be16_masked(s, "igmp_type", f->tp_src, wc->masks.tp_src); | |
1608 | format_be16_masked(s, "igmp_code", f->tp_dst, wc->masks.tp_dst); | |
3d4b2e6e | 1609 | } else if (dl_type == htons(ETH_TYPE_IPV6) && |
19564d20 | 1610 | f->nw_proto == IPPROTO_ICMPV6) { |
81a76618 BP |
1611 | format_be16_masked(s, "icmp_type", f->tp_src, wc->masks.tp_src); |
1612 | format_be16_masked(s, "icmp_code", f->tp_dst, wc->masks.tp_dst); | |
1613 | format_ipv6_netmask(s, "nd_target", &f->nd_target, | |
1614 | &wc->masks.nd_target); | |
1615 | format_eth_masked(s, "nd_sll", f->arp_sha, wc->masks.arp_sha); | |
1616 | format_eth_masked(s, "nd_tll", f->arp_tha, wc->masks.arp_tha); | |
1f6d8197 | 1617 | } else { |
81a76618 BP |
1618 | format_be16_masked(s, "tp_src", f->tp_src, wc->masks.tp_src); |
1619 | format_be16_masked(s, "tp_dst", f->tp_dst, wc->masks.tp_dst); | |
1620 | } | |
dc235f7f | 1621 | if (is_ip_any(f) && f->nw_proto == IPPROTO_TCP && wc->masks.tcp_flags) { |
8e4c1621 JG |
1622 | format_flags_masked(s, "tcp_flags", packet_tcp_flag_to_string, |
1623 | ntohs(f->tcp_flags), TCP_FLAGS(wc->masks.tcp_flags), | |
1624 | TCP_FLAGS(OVS_BE16_MAX)); | |
dc235f7f | 1625 | } |
81a76618 | 1626 | |
41f562be SH |
1627 | if (s->length > start_len) { |
1628 | ds_chomp(s, ','); | |
81a76618 BP |
1629 | } |
1630 | } | |
1631 | ||
1632 | /* Converts 'match' to a string and returns the string. If 'priority' is | |
50f96b10 BP |
1633 | * different from OFP_DEFAULT_PRIORITY, includes it in the string. If |
1634 | * 'port_map' is nonnull, uses it to translate port numbers to names in | |
1635 | * output. The caller must free the string (with free()). */ | |
81a76618 | 1636 | char * |
50f96b10 BP |
1637 | match_to_string(const struct match *match, |
1638 | const struct ofputil_port_map *port_map, int priority) | |
81a76618 BP |
1639 | { |
1640 | struct ds s = DS_EMPTY_INITIALIZER; | |
50f96b10 | 1641 | match_format(match, port_map, &s, priority); |
81a76618 BP |
1642 | return ds_steal_cstr(&s); |
1643 | } | |
1644 | ||
1645 | void | |
50f96b10 BP |
1646 | match_print(const struct match *match, |
1647 | const struct ofputil_port_map *port_map) | |
81a76618 | 1648 | { |
50f96b10 | 1649 | char *s = match_to_string(match, port_map, OFP_DEFAULT_PRIORITY); |
81a76618 BP |
1650 | puts(s); |
1651 | free(s); | |
1652 | } | |
5cb7a798 BP |
1653 | \f |
1654 | /* Initializes 'dst' as a copy of 'src'. The caller must eventually free 'dst' | |
1655 | * with minimatch_destroy(). */ | |
1656 | void | |
1657 | minimatch_init(struct minimatch *dst, const struct match *src) | |
1658 | { | |
ceb3bd67 JR |
1659 | struct miniflow tmp; |
1660 | ||
1661 | miniflow_map_init(&tmp, &src->wc.masks); | |
1662 | /* Allocate two consecutive miniflows. */ | |
1663 | miniflow_alloc(dst->flows, 2, &tmp); | |
1664 | miniflow_init(dst->flow, &src->flow); | |
1665 | minimask_init(dst->mask, &src->wc); | |
5cb7a798 BP |
1666 | } |
1667 | ||
1668 | /* Initializes 'dst' as a copy of 'src'. The caller must eventually free 'dst' | |
1669 | * with minimatch_destroy(). */ | |
1670 | void | |
1671 | minimatch_clone(struct minimatch *dst, const struct minimatch *src) | |
1672 | { | |
ceb3bd67 JR |
1673 | /* Allocate two consecutive miniflows. */ |
1674 | size_t data_size = miniflow_alloc(dst->flows, 2, &src->mask->masks); | |
1675 | ||
09b0fa9c JR |
1676 | memcpy(miniflow_values(dst->flow), |
1677 | miniflow_get_values(src->flow), data_size); | |
1678 | memcpy(miniflow_values(&dst->mask->masks), | |
1679 | miniflow_get_values(&src->mask->masks), data_size); | |
5cb7a798 BP |
1680 | } |
1681 | ||
b2c1f00b BP |
1682 | /* Initializes 'dst' with the data in 'src', destroying 'src'. The caller must |
1683 | * eventually free 'dst' with minimatch_destroy(). */ | |
1684 | void | |
1685 | minimatch_move(struct minimatch *dst, struct minimatch *src) | |
1686 | { | |
8fd47924 JR |
1687 | dst->flow = src->flow; |
1688 | dst->mask = src->mask; | |
b2c1f00b BP |
1689 | } |
1690 | ||
5cb7a798 BP |
1691 | /* Frees any memory owned by 'match'. Does not free the storage in which |
1692 | * 'match' itself resides; the caller is responsible for that. */ | |
1693 | void | |
1694 | minimatch_destroy(struct minimatch *match) | |
1695 | { | |
8fd47924 | 1696 | free(match->flow); |
5cb7a798 BP |
1697 | } |
1698 | ||
1699 | /* Initializes 'dst' as a copy of 'src'. */ | |
1700 | void | |
1701 | minimatch_expand(const struct minimatch *src, struct match *dst) | |
1702 | { | |
8fd47924 JR |
1703 | miniflow_expand(src->flow, &dst->flow); |
1704 | minimask_expand(src->mask, &dst->wc); | |
9558d2a5 | 1705 | memset(&dst->tun_md, 0, sizeof dst->tun_md); |
5cb7a798 BP |
1706 | } |
1707 | ||
1708 | /* Returns true if 'a' and 'b' match the same packets, false otherwise. */ | |
1709 | bool | |
1710 | minimatch_equal(const struct minimatch *a, const struct minimatch *b) | |
1711 | { | |
8fd47924 JR |
1712 | return minimask_equal(a->mask, b->mask) |
1713 | && miniflow_equal(a->flow, b->flow); | |
5cb7a798 BP |
1714 | } |
1715 | ||
df40c152 BP |
1716 | /* Returns true if 'target' satisifies 'match', that is, if each bit for which |
1717 | * 'match' specifies a particular value has the correct value in 'target'. | |
1718 | * | |
1719 | * This function is equivalent to miniflow_equal_flow_in_minimask(&match->flow, | |
1720 | * target, &match->mask) but it is faster because of the invariant that | |
1721 | * match->flow.map and match->mask.map are the same. */ | |
1722 | bool | |
1723 | minimatch_matches_flow(const struct minimatch *match, | |
1724 | const struct flow *target) | |
1725 | { | |
09b0fa9c JR |
1726 | const uint64_t *flowp = miniflow_get_values(match->flow); |
1727 | const uint64_t *maskp = miniflow_get_values(&match->mask->masks); | |
361d808d | 1728 | size_t idx; |
df40c152 | 1729 | |
5fcff47b JR |
1730 | FLOWMAP_FOR_EACH_INDEX(idx, match->flow->map) { |
1731 | if ((*flowp++ ^ flow_u64_value(target, idx)) & *maskp++) { | |
080e28d0 | 1732 | return false; |
df40c152 | 1733 | } |
df40c152 BP |
1734 | } |
1735 | ||
1736 | return true; | |
1737 | } | |
1738 | ||
5cb7a798 | 1739 | /* Appends a string representation of 'match' to 's'. If 'priority' is |
50f96b10 BP |
1740 | * different from OFP_DEFAULT_PRIORITY, includes it in 's'. If 'port_map' is |
1741 | * nonnull, uses it to translate port numbers to names in output. */ | |
5cb7a798 | 1742 | void |
8d8ab6c2 | 1743 | minimatch_format(const struct minimatch *match, |
50f96b10 BP |
1744 | const struct tun_table *tun_table, |
1745 | const struct ofputil_port_map *port_map, | |
1746 | struct ds *s, int priority) | |
5cb7a798 BP |
1747 | { |
1748 | struct match megamatch; | |
1749 | ||
1750 | minimatch_expand(match, &megamatch); | |
8d8ab6c2 JG |
1751 | megamatch.flow.tunnel.metadata.tab = tun_table; |
1752 | ||
50f96b10 | 1753 | match_format(&megamatch, port_map, s, priority); |
5cb7a798 BP |
1754 | } |
1755 | ||
1756 | /* Converts 'match' to a string and returns the string. If 'priority' is | |
1757 | * different from OFP_DEFAULT_PRIORITY, includes it in the string. The caller | |
50f96b10 BP |
1758 | * must free the string (with free()). If 'port_map' is nonnull, uses it to |
1759 | * translate port numbers to names in output. */ | |
5cb7a798 | 1760 | char * |
50f96b10 BP |
1761 | minimatch_to_string(const struct minimatch *match, |
1762 | const struct ofputil_port_map *port_map, int priority) | |
5cb7a798 BP |
1763 | { |
1764 | struct match megamatch; | |
1765 | ||
1766 | minimatch_expand(match, &megamatch); | |
50f96b10 | 1767 | return match_to_string(&megamatch, port_map, priority); |
5cb7a798 | 1768 | } |