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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" |
f4248336 | 24 | #include "openvswitch/ofp-util.h" |
81a76618 | 25 | #include "packets.h" |
9558d2a5 | 26 | #include "tun-metadata.h" |
3d2fbd70 | 27 | #include "openvswitch/nsh.h" |
81a76618 BP |
28 | |
29 | /* Converts the flow in 'flow' into a match in 'match', with the given | |
30 | * 'wildcards'. */ | |
31 | void | |
32 | match_init(struct match *match, | |
33 | const struct flow *flow, const struct flow_wildcards *wc) | |
34 | { | |
35 | match->flow = *flow; | |
36 | match->wc = *wc; | |
37 | match_zero_wildcarded_fields(match); | |
9558d2a5 | 38 | memset(&match->tun_md, 0, sizeof match->tun_md); |
81a76618 BP |
39 | } |
40 | ||
aa6c9932 MM |
41 | /* Converts a flow into a match. It sets the wildcard masks based on |
42 | * the packet contents. It will not set the mask for fields that do not | |
43 | * make sense for the packet type. */ | |
44 | void | |
45 | match_wc_init(struct match *match, const struct flow *flow) | |
46 | { | |
aa6c9932 | 47 | match->flow = *flow; |
aa6c9932 | 48 | |
78c9486d JR |
49 | flow_wildcards_init_for_packet(&match->wc, flow); |
50 | WC_MASK_FIELD(&match->wc, regs); | |
51 | WC_MASK_FIELD(&match->wc, metadata); | |
9558d2a5 JG |
52 | |
53 | memset(&match->tun_md, 0, sizeof match->tun_md); | |
aa6c9932 MM |
54 | } |
55 | ||
81a76618 BP |
56 | /* Initializes 'match' as a "catch-all" match that matches every packet. */ |
57 | void | |
58 | match_init_catchall(struct match *match) | |
59 | { | |
60 | memset(&match->flow, 0, sizeof match->flow); | |
61 | flow_wildcards_init_catchall(&match->wc); | |
9558d2a5 | 62 | memset(&match->tun_md, 0, sizeof match->tun_md); |
81a76618 BP |
63 | } |
64 | ||
65 | /* For each bit or field wildcarded in 'match', sets the corresponding bit or | |
66 | * field in 'flow' to all-0-bits. It is important to maintain this invariant | |
67 | * in a match that might be inserted into a classifier. | |
68 | * | |
69 | * It is never necessary to call this function directly for a match that is | |
70 | * initialized or modified only by match_*() functions. It is useful to | |
71 | * restore the invariant in a match whose 'wc' member is modified by hand. | |
72 | */ | |
73 | void | |
74 | match_zero_wildcarded_fields(struct match *match) | |
75 | { | |
76 | flow_zero_wildcards(&match->flow, &match->wc); | |
77 | } | |
78 | ||
a79f29f2 AZ |
79 | void |
80 | match_set_dp_hash(struct match *match, uint32_t value) | |
81 | { | |
82 | match_set_dp_hash_masked(match, value, UINT32_MAX); | |
83 | } | |
84 | ||
85 | void | |
86 | match_set_dp_hash_masked(struct match *match, uint32_t value, uint32_t mask) | |
87 | { | |
88 | match->wc.masks.dp_hash = mask; | |
89 | match->flow.dp_hash = value & mask; | |
90 | } | |
91 | ||
92 | void | |
93 | match_set_recirc_id(struct match *match, uint32_t value) | |
94 | { | |
95 | match->flow.recirc_id = value; | |
96 | match->wc.masks.recirc_id = UINT32_MAX; | |
97 | } | |
98 | ||
18080541 BP |
99 | void |
100 | match_set_conj_id(struct match *match, uint32_t value) | |
101 | { | |
102 | match->flow.conj_id = value; | |
103 | match->wc.masks.conj_id = UINT32_MAX; | |
104 | } | |
105 | ||
81a76618 BP |
106 | void |
107 | match_set_reg(struct match *match, unsigned int reg_idx, uint32_t value) | |
108 | { | |
109 | match_set_reg_masked(match, reg_idx, value, UINT32_MAX); | |
110 | } | |
111 | ||
112 | void | |
113 | match_set_reg_masked(struct match *match, unsigned int reg_idx, | |
114 | uint32_t value, uint32_t mask) | |
115 | { | |
cb22974d | 116 | ovs_assert(reg_idx < FLOW_N_REGS); |
81a76618 BP |
117 | flow_wildcards_set_reg_mask(&match->wc, reg_idx, mask); |
118 | match->flow.regs[reg_idx] = value & mask; | |
119 | } | |
120 | ||
79fe0f46 BP |
121 | void |
122 | match_set_xreg(struct match *match, unsigned int xreg_idx, uint64_t value) | |
123 | { | |
124 | match_set_xreg_masked(match, xreg_idx, value, UINT64_MAX); | |
125 | } | |
126 | ||
127 | void | |
128 | match_set_xreg_masked(struct match *match, unsigned int xreg_idx, | |
129 | uint64_t value, uint64_t mask) | |
130 | { | |
131 | ovs_assert(xreg_idx < FLOW_N_XREGS); | |
132 | flow_wildcards_set_xreg_mask(&match->wc, xreg_idx, mask); | |
133 | flow_set_xreg(&match->flow, xreg_idx, value & mask); | |
134 | } | |
135 | ||
b23ada8e JP |
136 | void |
137 | match_set_xxreg(struct match *match, unsigned int xxreg_idx, ovs_u128 value) | |
138 | { | |
139 | match_set_xxreg_masked(match, xxreg_idx, value, OVS_U128_MAX); | |
140 | } | |
141 | ||
142 | void | |
143 | match_set_xxreg_masked(struct match *match, unsigned int xxreg_idx, | |
144 | ovs_u128 value, ovs_u128 mask) | |
145 | { | |
146 | ovs_assert(xxreg_idx < FLOW_N_XXREGS); | |
147 | flow_wildcards_set_xxreg_mask(&match->wc, xxreg_idx, mask); | |
148 | flow_set_xxreg(&match->flow, xxreg_idx, ovs_u128_and(value, mask)); | |
149 | } | |
150 | ||
c61f3870 BP |
151 | void |
152 | match_set_actset_output(struct match *match, ofp_port_t actset_output) | |
153 | { | |
154 | match->wc.masks.actset_output = u16_to_ofp(UINT16_MAX); | |
155 | match->flow.actset_output = actset_output; | |
156 | } | |
157 | ||
81a76618 BP |
158 | void |
159 | match_set_metadata(struct match *match, ovs_be64 metadata) | |
160 | { | |
b8266395 | 161 | match_set_metadata_masked(match, metadata, OVS_BE64_MAX); |
81a76618 BP |
162 | } |
163 | ||
164 | void | |
165 | match_set_metadata_masked(struct match *match, | |
166 | ovs_be64 metadata, ovs_be64 mask) | |
167 | { | |
168 | match->wc.masks.metadata = mask; | |
169 | match->flow.metadata = metadata & mask; | |
170 | } | |
171 | ||
172 | void | |
173 | match_set_tun_id(struct match *match, ovs_be64 tun_id) | |
174 | { | |
b8266395 | 175 | match_set_tun_id_masked(match, tun_id, OVS_BE64_MAX); |
81a76618 BP |
176 | } |
177 | ||
178 | void | |
179 | match_set_tun_id_masked(struct match *match, ovs_be64 tun_id, ovs_be64 mask) | |
180 | { | |
296e07ac JG |
181 | match->wc.masks.tunnel.tun_id = mask; |
182 | match->flow.tunnel.tun_id = tun_id & mask; | |
81a76618 BP |
183 | } |
184 | ||
4fe3445a PS |
185 | void |
186 | match_set_tun_src(struct match *match, ovs_be32 src) | |
187 | { | |
b8266395 | 188 | match_set_tun_src_masked(match, src, OVS_BE32_MAX); |
4fe3445a PS |
189 | } |
190 | ||
191 | void | |
192 | match_set_tun_src_masked(struct match *match, ovs_be32 src, ovs_be32 mask) | |
193 | { | |
194 | match->wc.masks.tunnel.ip_src = mask; | |
195 | match->flow.tunnel.ip_src = src & mask; | |
196 | } | |
197 | ||
198 | void | |
199 | match_set_tun_dst(struct match *match, ovs_be32 dst) | |
200 | { | |
b8266395 | 201 | match_set_tun_dst_masked(match, dst, OVS_BE32_MAX); |
4fe3445a PS |
202 | } |
203 | ||
204 | void | |
205 | match_set_tun_dst_masked(struct match *match, ovs_be32 dst, ovs_be32 mask) | |
206 | { | |
207 | match->wc.masks.tunnel.ip_dst = mask; | |
208 | match->flow.tunnel.ip_dst = dst & mask; | |
209 | } | |
210 | ||
ffe4c74f JB |
211 | void |
212 | match_set_tun_ipv6_src(struct match *match, const struct in6_addr *src) | |
213 | { | |
214 | match->flow.tunnel.ipv6_src = *src; | |
215 | match->wc.masks.tunnel.ipv6_src = in6addr_exact; | |
216 | } | |
217 | ||
218 | void | |
219 | match_set_tun_ipv6_src_masked(struct match *match, const struct in6_addr *src, | |
220 | const struct in6_addr *mask) | |
221 | { | |
222 | match->flow.tunnel.ipv6_src = ipv6_addr_bitand(src, mask); | |
223 | match->wc.masks.tunnel.ipv6_src = *mask; | |
224 | } | |
225 | ||
226 | void | |
227 | match_set_tun_ipv6_dst(struct match *match, const struct in6_addr *dst) | |
228 | { | |
229 | match->flow.tunnel.ipv6_dst = *dst; | |
230 | match->wc.masks.tunnel.ipv6_dst = in6addr_exact; | |
231 | } | |
232 | ||
233 | void | |
234 | match_set_tun_ipv6_dst_masked(struct match *match, const struct in6_addr *dst, | |
235 | const struct in6_addr *mask) | |
236 | { | |
237 | match->flow.tunnel.ipv6_dst = ipv6_addr_bitand(dst, mask); | |
238 | match->wc.masks.tunnel.ipv6_dst = *mask; | |
239 | } | |
240 | ||
4fe3445a PS |
241 | void |
242 | match_set_tun_ttl(struct match *match, uint8_t ttl) | |
243 | { | |
244 | match_set_tun_ttl_masked(match, ttl, UINT8_MAX); | |
245 | } | |
246 | ||
247 | void | |
248 | match_set_tun_ttl_masked(struct match *match, uint8_t ttl, uint8_t mask) | |
249 | { | |
250 | match->wc.masks.tunnel.ip_ttl = mask; | |
251 | match->flow.tunnel.ip_ttl = ttl & mask; | |
252 | } | |
253 | ||
254 | void | |
255 | match_set_tun_tos(struct match *match, uint8_t tos) | |
256 | { | |
257 | match_set_tun_tos_masked(match, tos, UINT8_MAX); | |
258 | } | |
259 | ||
260 | void | |
261 | match_set_tun_tos_masked(struct match *match, uint8_t tos, uint8_t mask) | |
262 | { | |
263 | match->wc.masks.tunnel.ip_tos = mask; | |
264 | match->flow.tunnel.ip_tos = tos & mask; | |
265 | } | |
266 | ||
267 | void | |
268 | match_set_tun_flags(struct match *match, uint16_t flags) | |
269 | { | |
270 | match_set_tun_flags_masked(match, flags, UINT16_MAX); | |
271 | } | |
272 | ||
273 | void | |
274 | match_set_tun_flags_masked(struct match *match, uint16_t flags, uint16_t mask) | |
275 | { | |
b666962b JG |
276 | mask &= FLOW_TNL_PUB_F_MASK; |
277 | ||
4fe3445a PS |
278 | match->wc.masks.tunnel.flags = mask; |
279 | match->flow.tunnel.flags = flags & mask; | |
280 | } | |
281 | ||
3def36a8 RD |
282 | void |
283 | match_set_tun_tp_dst(struct match *match, ovs_be16 tp_dst) | |
284 | { | |
285 | match_set_tun_tp_dst_masked(match, tp_dst, OVS_BE16_MAX); | |
286 | } | |
287 | ||
288 | void | |
289 | match_set_tun_tp_dst_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
290 | { | |
291 | match->wc.masks.tunnel.tp_dst = mask; | |
292 | match->flow.tunnel.tp_dst = port & mask; | |
293 | } | |
294 | ||
ac6073e3 MC |
295 | void |
296 | match_set_tun_gbp_id_masked(struct match *match, ovs_be16 gbp_id, ovs_be16 mask) | |
297 | { | |
298 | match->wc.masks.tunnel.gbp_id = mask; | |
299 | match->flow.tunnel.gbp_id = gbp_id & mask; | |
300 | } | |
301 | ||
302 | void | |
303 | match_set_tun_gbp_id(struct match *match, ovs_be16 gbp_id) | |
304 | { | |
305 | match_set_tun_gbp_id_masked(match, gbp_id, OVS_BE16_MAX); | |
306 | } | |
307 | ||
308 | void | |
309 | match_set_tun_gbp_flags_masked(struct match *match, uint8_t flags, uint8_t mask) | |
310 | { | |
311 | match->wc.masks.tunnel.gbp_flags = mask; | |
312 | match->flow.tunnel.gbp_flags = flags & mask; | |
313 | } | |
314 | ||
315 | void | |
316 | match_set_tun_gbp_flags(struct match *match, uint8_t flags) | |
317 | { | |
318 | match_set_tun_gbp_flags_masked(match, flags, UINT8_MAX); | |
319 | } | |
320 | ||
81a76618 | 321 | void |
4e022ec0 | 322 | match_set_in_port(struct match *match, ofp_port_t ofp_port) |
81a76618 | 323 | { |
4e022ec0 AW |
324 | match->wc.masks.in_port.ofp_port = u16_to_ofp(UINT16_MAX); |
325 | match->flow.in_port.ofp_port = ofp_port; | |
81a76618 BP |
326 | } |
327 | ||
1b567fb9 AA |
328 | void |
329 | match_set_skb_priority(struct match *match, uint32_t skb_priority) | |
330 | { | |
331 | match->wc.masks.skb_priority = UINT32_MAX; | |
332 | match->flow.skb_priority = skb_priority; | |
333 | } | |
334 | ||
335 | void | |
1362e248 | 336 | match_set_pkt_mark(struct match *match, uint32_t pkt_mark) |
1b567fb9 | 337 | { |
ac923e91 JG |
338 | match_set_pkt_mark_masked(match, pkt_mark, UINT32_MAX); |
339 | } | |
340 | ||
341 | void | |
342 | match_set_pkt_mark_masked(struct match *match, uint32_t pkt_mark, uint32_t mask) | |
343 | { | |
344 | match->flow.pkt_mark = pkt_mark & mask; | |
345 | match->wc.masks.pkt_mark = mask; | |
1b567fb9 AA |
346 | } |
347 | ||
07659514 JS |
348 | void |
349 | match_set_ct_state(struct match *match, uint32_t ct_state) | |
350 | { | |
351 | match_set_ct_state_masked(match, ct_state, UINT32_MAX); | |
352 | } | |
353 | ||
354 | void | |
355 | match_set_ct_state_masked(struct match *match, uint32_t ct_state, uint32_t mask) | |
356 | { | |
2a28ccc8 JR |
357 | match->flow.ct_state = ct_state & mask & UINT8_MAX; |
358 | match->wc.masks.ct_state = mask & UINT8_MAX; | |
07659514 JS |
359 | } |
360 | ||
361 | void | |
362 | match_set_ct_zone(struct match *match, uint16_t ct_zone) | |
363 | { | |
364 | match->flow.ct_zone = ct_zone; | |
365 | match->wc.masks.ct_zone = UINT16_MAX; | |
366 | } | |
367 | ||
8e53fe8c JS |
368 | void |
369 | match_set_ct_mark(struct match *match, uint32_t ct_mark) | |
370 | { | |
371 | match_set_ct_mark_masked(match, ct_mark, UINT32_MAX); | |
372 | } | |
373 | ||
374 | void | |
375 | match_set_ct_mark_masked(struct match *match, uint32_t ct_mark, | |
376 | uint32_t mask) | |
377 | { | |
378 | match->flow.ct_mark = ct_mark & mask; | |
379 | match->wc.masks.ct_mark = mask; | |
380 | } | |
381 | ||
9daf2348 JS |
382 | void |
383 | match_set_ct_label(struct match *match, ovs_u128 ct_label) | |
384 | { | |
385 | ovs_u128 mask; | |
386 | ||
387 | mask.u64.lo = UINT64_MAX; | |
388 | mask.u64.hi = UINT64_MAX; | |
389 | match_set_ct_label_masked(match, ct_label, mask); | |
390 | } | |
391 | ||
392 | void | |
393 | match_set_ct_label_masked(struct match *match, ovs_u128 value, ovs_u128 mask) | |
394 | { | |
395 | match->flow.ct_label.u64.lo = value.u64.lo & mask.u64.lo; | |
396 | match->flow.ct_label.u64.hi = value.u64.hi & mask.u64.hi; | |
397 | match->wc.masks.ct_label = mask; | |
398 | } | |
399 | ||
daf4d3c1 JR |
400 | void |
401 | match_set_ct_nw_src(struct match *match, ovs_be32 ct_nw_src) | |
402 | { | |
403 | match->flow.ct_nw_src = ct_nw_src; | |
404 | match->wc.masks.ct_nw_src = OVS_BE32_MAX; | |
405 | } | |
406 | ||
407 | void | |
408 | match_set_ct_nw_src_masked(struct match *match, ovs_be32 ct_nw_src, | |
409 | ovs_be32 mask) | |
410 | { | |
411 | match->flow.ct_nw_src = ct_nw_src & mask; | |
412 | match->wc.masks.ct_nw_src = mask; | |
413 | } | |
414 | ||
415 | void | |
416 | match_set_ct_nw_dst(struct match *match, ovs_be32 ct_nw_dst) | |
417 | { | |
418 | match->flow.ct_nw_dst = ct_nw_dst; | |
419 | match->wc.masks.ct_nw_dst = OVS_BE32_MAX; | |
420 | } | |
421 | ||
422 | void | |
423 | match_set_ct_nw_dst_masked(struct match *match, ovs_be32 ct_nw_dst, | |
424 | ovs_be32 mask) | |
425 | { | |
426 | match->flow.ct_nw_dst = ct_nw_dst & mask; | |
427 | match->wc.masks.ct_nw_dst = mask; | |
428 | } | |
429 | ||
430 | void | |
431 | match_set_ct_nw_proto(struct match *match, uint8_t ct_nw_proto) | |
432 | { | |
433 | match->flow.ct_nw_proto = ct_nw_proto; | |
434 | match->wc.masks.ct_nw_proto = UINT8_MAX; | |
435 | } | |
436 | ||
437 | void | |
438 | match_set_ct_tp_src(struct match *match, ovs_be16 ct_tp_src) | |
439 | { | |
440 | match_set_ct_tp_src_masked(match, ct_tp_src, OVS_BE16_MAX); | |
441 | } | |
442 | ||
443 | void | |
444 | match_set_ct_tp_src_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
445 | { | |
446 | match->flow.ct_tp_src = port & mask; | |
447 | match->wc.masks.ct_tp_src = mask; | |
448 | } | |
449 | ||
450 | void | |
451 | match_set_ct_tp_dst(struct match *match, ovs_be16 ct_tp_dst) | |
452 | { | |
453 | match_set_ct_tp_dst_masked(match, ct_tp_dst, OVS_BE16_MAX); | |
454 | } | |
455 | ||
456 | void | |
457 | match_set_ct_tp_dst_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
458 | { | |
459 | match->flow.ct_tp_dst = port & mask; | |
460 | match->wc.masks.ct_tp_dst = mask; | |
461 | } | |
462 | ||
463 | void | |
464 | match_set_ct_ipv6_src(struct match *match, const struct in6_addr *src) | |
465 | { | |
466 | match->flow.ct_ipv6_src = *src; | |
467 | match->wc.masks.ct_ipv6_src = in6addr_exact; | |
468 | } | |
469 | ||
470 | void | |
471 | match_set_ct_ipv6_src_masked(struct match *match, const struct in6_addr *src, | |
472 | const struct in6_addr *mask) | |
473 | { | |
474 | match->flow.ct_ipv6_src = ipv6_addr_bitand(src, mask); | |
475 | match->wc.masks.ct_ipv6_src = *mask; | |
476 | } | |
477 | ||
478 | void | |
479 | match_set_ct_ipv6_dst(struct match *match, const struct in6_addr *dst) | |
480 | { | |
481 | match->flow.ct_ipv6_dst = *dst; | |
482 | match->wc.masks.ct_ipv6_dst = in6addr_exact; | |
483 | } | |
484 | ||
485 | void | |
486 | match_set_ct_ipv6_dst_masked(struct match *match, const struct in6_addr *dst, | |
487 | const struct in6_addr *mask) | |
488 | { | |
489 | match->flow.ct_ipv6_dst = ipv6_addr_bitand(dst, mask); | |
490 | match->wc.masks.ct_ipv6_dst = *mask; | |
491 | } | |
492 | ||
beb75a40 JS |
493 | void |
494 | match_set_packet_type(struct match *match, ovs_be32 packet_type) | |
495 | { | |
496 | match->flow.packet_type = packet_type; | |
497 | match->wc.masks.packet_type = OVS_BE32_MAX; | |
498 | } | |
499 | ||
3d4b2e6e JS |
500 | /* If 'match' does not match on any packet type, make it match on Ethernet |
501 | * packets (the default packet type, as specified by OpenFlow). */ | |
502 | void | |
503 | match_set_default_packet_type(struct match *match) | |
504 | { | |
505 | if (!match->wc.masks.packet_type) { | |
506 | match_set_packet_type(match, htonl(PT_ETH)); | |
507 | } | |
508 | } | |
509 | ||
510 | /* Returns true if 'match' matches only Ethernet packets (the default packet | |
511 | * type, as specified by OpenFlow). */ | |
512 | bool | |
513 | match_has_default_packet_type(const struct match *match) | |
514 | { | |
515 | return (match->flow.packet_type == htonl(PT_ETH) | |
516 | && match->wc.masks.packet_type == OVS_BE32_MAX); | |
517 | } | |
518 | ||
519 | /* A match on 'field' is being added to or has been added to 'match'. If | |
520 | * 'field' is a data field, and 'match' does not already match on packet_type, | |
521 | * this function make it match on the Ethernet packet_type. | |
522 | * | |
523 | * This function is useful because OpenFlow implicitly applies to Ethernet | |
524 | * packets when there's no explicit packet_type, but matching on a metadata | |
525 | * field doesn't imply anything about the packet_type and falsely inferring | |
526 | * that it does can cause harm. A flow that matches only on metadata fields, | |
527 | * for example, should be able to match more than just Ethernet flows. There | |
528 | * are also important reasons that a catch-all match (one with no field matches | |
529 | * at all) should not imply a packet_type(0,0) match. For example, a "flow | |
530 | * dump" request that matches on no fields should return every flow in the | |
531 | * switch, not just the flows that match on Ethernet. As a second example, | |
532 | * OpenFlow 1.2+ special-cases "table miss" flows, that is catch-all flows with | |
533 | * priority 0, and inferring a match on packet_type(0,0) causes such a flow not | |
534 | * to be a table miss flow. */ | |
535 | void | |
536 | match_add_ethernet_prereq(struct match *match, const struct mf_field *field) | |
537 | { | |
538 | if (field->prereqs != MFP_NONE) { | |
539 | match_set_default_packet_type(match); | |
540 | } | |
541 | } | |
542 | ||
81a76618 BP |
543 | void |
544 | match_set_dl_type(struct match *match, ovs_be16 dl_type) | |
545 | { | |
b8266395 | 546 | match->wc.masks.dl_type = OVS_BE16_MAX; |
81a76618 BP |
547 | match->flow.dl_type = dl_type; |
548 | } | |
549 | ||
550 | /* Modifies 'value_src' so that the Ethernet address must match 'value_dst' | |
551 | * exactly. 'mask_dst' is set to all 1s. */ | |
552 | static void | |
74ff3298 JR |
553 | set_eth(const struct eth_addr value_src, |
554 | struct eth_addr *value_dst, | |
555 | struct eth_addr *mask_dst) | |
81a76618 | 556 | { |
74ff3298 JR |
557 | *value_dst = value_src; |
558 | *mask_dst = eth_addr_exact; | |
81a76618 BP |
559 | } |
560 | ||
561 | /* Modifies 'value_src' so that the Ethernet address must match 'value_src' | |
562 | * after each byte is ANDed with the appropriate byte in 'mask_src'. | |
563 | * 'mask_dst' is set to 'mask_src' */ | |
564 | static void | |
74ff3298 JR |
565 | set_eth_masked(const struct eth_addr value_src, |
566 | const struct eth_addr mask_src, | |
567 | struct eth_addr *value_dst, struct eth_addr *mask_dst) | |
81a76618 BP |
568 | { |
569 | size_t i; | |
570 | ||
74ff3298 JR |
571 | for (i = 0; i < ARRAY_SIZE(value_dst->be16); i++) { |
572 | value_dst->be16[i] = value_src.be16[i] & mask_src.be16[i]; | |
81a76618 | 573 | } |
74ff3298 | 574 | *mask_dst = mask_src; |
81a76618 BP |
575 | } |
576 | ||
577 | /* Modifies 'rule' so that the source Ethernet address must match 'dl_src' | |
578 | * exactly. */ | |
579 | void | |
74ff3298 | 580 | match_set_dl_src(struct match *match, const struct eth_addr dl_src) |
81a76618 | 581 | { |
74ff3298 | 582 | set_eth(dl_src, &match->flow.dl_src, &match->wc.masks.dl_src); |
81a76618 BP |
583 | } |
584 | ||
585 | /* Modifies 'rule' so that the source Ethernet address must match 'dl_src' | |
586 | * after each byte is ANDed with the appropriate byte in 'mask'. */ | |
587 | void | |
588 | match_set_dl_src_masked(struct match *match, | |
74ff3298 JR |
589 | const struct eth_addr dl_src, |
590 | const struct eth_addr mask) | |
81a76618 | 591 | { |
74ff3298 | 592 | set_eth_masked(dl_src, mask, &match->flow.dl_src, &match->wc.masks.dl_src); |
81a76618 BP |
593 | } |
594 | ||
595 | /* Modifies 'match' so that the Ethernet address must match 'dl_dst' | |
596 | * exactly. */ | |
597 | void | |
74ff3298 | 598 | match_set_dl_dst(struct match *match, const struct eth_addr dl_dst) |
81a76618 | 599 | { |
74ff3298 | 600 | set_eth(dl_dst, &match->flow.dl_dst, &match->wc.masks.dl_dst); |
81a76618 BP |
601 | } |
602 | ||
603 | /* Modifies 'match' so that the Ethernet address must match 'dl_dst' after each | |
604 | * byte is ANDed with the appropriate byte in 'mask'. | |
605 | * | |
606 | * This function will assert-fail if 'mask' is invalid. Only 'mask' values | |
607 | * accepted by flow_wildcards_is_dl_dst_mask_valid() are allowed. */ | |
608 | void | |
609 | match_set_dl_dst_masked(struct match *match, | |
74ff3298 JR |
610 | const struct eth_addr dl_dst, |
611 | const struct eth_addr mask) | |
81a76618 | 612 | { |
74ff3298 | 613 | set_eth_masked(dl_dst, mask, &match->flow.dl_dst, &match->wc.masks.dl_dst); |
81a76618 BP |
614 | } |
615 | ||
616 | void | |
617 | match_set_dl_tci(struct match *match, ovs_be16 tci) | |
618 | { | |
619 | match_set_dl_tci_masked(match, tci, htons(0xffff)); | |
620 | } | |
621 | ||
622 | void | |
623 | match_set_dl_tci_masked(struct match *match, ovs_be16 tci, ovs_be16 mask) | |
624 | { | |
f0fb825a EG |
625 | match->flow.vlans[0].tci = tci & mask; |
626 | match->wc.masks.vlans[0].tci = mask; | |
81a76618 BP |
627 | } |
628 | ||
629 | /* Modifies 'match' so that the VLAN VID is wildcarded. If the PCP is already | |
630 | * wildcarded, then 'match' will match a packet regardless of whether it has an | |
631 | * 802.1Q header or not. */ | |
632 | void | |
633 | match_set_any_vid(struct match *match) | |
634 | { | |
f0fb825a EG |
635 | if (match->wc.masks.vlans[0].tci & htons(VLAN_PCP_MASK)) { |
636 | match->wc.masks.vlans[0].tci &= ~htons(VLAN_VID_MASK); | |
637 | match->flow.vlans[0].tci &= ~htons(VLAN_VID_MASK); | |
81a76618 BP |
638 | } else { |
639 | match_set_dl_tci_masked(match, htons(0), htons(0)); | |
640 | } | |
641 | } | |
642 | ||
643 | /* Modifies 'match' depending on 'dl_vlan': | |
644 | * | |
645 | * - If 'dl_vlan' is htons(OFP_VLAN_NONE), makes 'match' match only packets | |
646 | * without an 802.1Q header. | |
647 | * | |
648 | * - Otherwise, makes 'match' match only packets with an 802.1Q header whose | |
649 | * VID equals the low 12 bits of 'dl_vlan'. | |
650 | */ | |
651 | void | |
652 | match_set_dl_vlan(struct match *match, ovs_be16 dl_vlan) | |
653 | { | |
654 | flow_set_dl_vlan(&match->flow, dl_vlan); | |
655 | if (dl_vlan == htons(OFP10_VLAN_NONE)) { | |
f0fb825a | 656 | match->wc.masks.vlans[0].tci = OVS_BE16_MAX; |
81a76618 | 657 | } else { |
f0fb825a | 658 | match->wc.masks.vlans[0].tci |= htons(VLAN_VID_MASK | VLAN_CFI); |
81a76618 BP |
659 | } |
660 | } | |
661 | ||
662 | /* Sets the VLAN VID that 'match' matches to 'vid', which is interpreted as an | |
663 | * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID | |
664 | * plus CFI). */ | |
665 | void | |
666 | match_set_vlan_vid(struct match *match, ovs_be16 vid) | |
667 | { | |
668 | match_set_vlan_vid_masked(match, vid, htons(VLAN_VID_MASK | VLAN_CFI)); | |
669 | } | |
670 | ||
671 | ||
672 | /* Sets the VLAN VID that 'flow' matches to 'vid', which is interpreted as an | |
673 | * OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID | |
674 | * plus CFI), with the corresponding 'mask'. */ | |
675 | void | |
676 | match_set_vlan_vid_masked(struct match *match, ovs_be16 vid, ovs_be16 mask) | |
677 | { | |
678 | ovs_be16 pcp_mask = htons(VLAN_PCP_MASK); | |
679 | ovs_be16 vid_mask = htons(VLAN_VID_MASK | VLAN_CFI); | |
680 | ||
681 | mask &= vid_mask; | |
682 | flow_set_vlan_vid(&match->flow, vid & mask); | |
f0fb825a EG |
683 | match->wc.masks.vlans[0].tci = |
684 | mask | (match->wc.masks.vlans[0].tci & pcp_mask); | |
81a76618 BP |
685 | } |
686 | ||
687 | /* Modifies 'match' so that the VLAN PCP is wildcarded. If the VID is already | |
688 | * wildcarded, then 'match' will match a packet regardless of whether it has an | |
689 | * 802.1Q header or not. */ | |
690 | void | |
691 | match_set_any_pcp(struct match *match) | |
692 | { | |
f0fb825a EG |
693 | if (match->wc.masks.vlans[0].tci & htons(VLAN_VID_MASK)) { |
694 | match->wc.masks.vlans[0].tci &= ~htons(VLAN_PCP_MASK); | |
695 | match->flow.vlans[0].tci &= ~htons(VLAN_PCP_MASK); | |
81a76618 BP |
696 | } else { |
697 | match_set_dl_tci_masked(match, htons(0), htons(0)); | |
698 | } | |
699 | } | |
700 | ||
701 | /* Modifies 'match' so that it matches only packets with an 802.1Q header whose | |
702 | * PCP equals the low 3 bits of 'dl_vlan_pcp'. */ | |
703 | void | |
704 | match_set_dl_vlan_pcp(struct match *match, uint8_t dl_vlan_pcp) | |
705 | { | |
706 | flow_set_vlan_pcp(&match->flow, dl_vlan_pcp); | |
f0fb825a | 707 | match->wc.masks.vlans[0].tci |= htons(VLAN_CFI | VLAN_PCP_MASK); |
81a76618 BP |
708 | } |
709 | ||
8bfd0fda BP |
710 | /* Modifies 'match' so that the MPLS label 'idx' matches 'lse' exactly. */ |
711 | void | |
712 | match_set_mpls_lse(struct match *match, int idx, ovs_be32 lse) | |
713 | { | |
714 | match->wc.masks.mpls_lse[idx] = OVS_BE32_MAX; | |
715 | match->flow.mpls_lse[idx] = lse; | |
716 | } | |
717 | ||
b02475c5 SH |
718 | /* Modifies 'match' so that the MPLS label is wildcarded. */ |
719 | void | |
8bfd0fda | 720 | match_set_any_mpls_label(struct match *match, int idx) |
b02475c5 | 721 | { |
8bfd0fda BP |
722 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_LABEL_MASK); |
723 | flow_set_mpls_label(&match->flow, idx, htonl(0)); | |
b02475c5 SH |
724 | } |
725 | ||
726 | /* Modifies 'match' so that it matches only packets with an MPLS header whose | |
727 | * label equals the low 20 bits of 'mpls_label'. */ | |
728 | void | |
8bfd0fda | 729 | match_set_mpls_label(struct match *match, int idx, ovs_be32 mpls_label) |
b02475c5 | 730 | { |
8bfd0fda BP |
731 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_LABEL_MASK); |
732 | flow_set_mpls_label(&match->flow, idx, mpls_label); | |
b02475c5 SH |
733 | } |
734 | ||
735 | /* Modifies 'match' so that the MPLS TC is wildcarded. */ | |
736 | void | |
8bfd0fda | 737 | match_set_any_mpls_tc(struct match *match, int idx) |
b02475c5 | 738 | { |
8bfd0fda BP |
739 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_TC_MASK); |
740 | flow_set_mpls_tc(&match->flow, idx, 0); | |
b02475c5 SH |
741 | } |
742 | ||
743 | /* Modifies 'match' so that it matches only packets with an MPLS header whose | |
744 | * Traffic Class equals the low 3 bits of 'mpls_tc'. */ | |
745 | void | |
8bfd0fda | 746 | match_set_mpls_tc(struct match *match, int idx, uint8_t mpls_tc) |
b02475c5 | 747 | { |
8bfd0fda BP |
748 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_TC_MASK); |
749 | flow_set_mpls_tc(&match->flow, idx, mpls_tc); | |
b02475c5 SH |
750 | } |
751 | ||
752 | /* Modifies 'match' so that the MPLS stack flag is wildcarded. */ | |
753 | void | |
8bfd0fda | 754 | match_set_any_mpls_bos(struct match *match, int idx) |
b02475c5 | 755 | { |
8bfd0fda BP |
756 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_BOS_MASK); |
757 | flow_set_mpls_bos(&match->flow, idx, 0); | |
b02475c5 SH |
758 | } |
759 | ||
760 | /* Modifies 'match' so that it matches only packets with an MPLS header whose | |
761 | * Stack Flag equals the lower bit of 'mpls_bos' */ | |
762 | void | |
8bfd0fda BP |
763 | match_set_mpls_bos(struct match *match, int idx, uint8_t mpls_bos) |
764 | { | |
765 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_BOS_MASK); | |
766 | flow_set_mpls_bos(&match->flow, idx, mpls_bos); | |
767 | } | |
768 | ||
bef3f465 BP |
769 | /* Modifies 'match' so that the TTL of MPLS label 'idx' is wildcarded. */ |
770 | void | |
771 | match_set_any_mpls_ttl(struct match *match, int idx) | |
772 | { | |
773 | match->wc.masks.mpls_lse[idx] &= ~htonl(MPLS_TTL_MASK); | |
774 | flow_set_mpls_ttl(&match->flow, idx, 0); | |
775 | } | |
776 | ||
777 | /* Modifies 'match' so that it matches only packets in which the TTL of MPLS | |
778 | * label 'idx' equals 'mpls_ttl'. */ | |
779 | void | |
780 | match_set_mpls_ttl(struct match *match, int idx, uint8_t mpls_ttl) | |
781 | { | |
782 | match->wc.masks.mpls_lse[idx] |= htonl(MPLS_TTL_MASK); | |
783 | flow_set_mpls_ttl(&match->flow, idx, mpls_ttl); | |
784 | } | |
785 | ||
8bfd0fda BP |
786 | /* Modifies 'match' so that the MPLS LSE is wildcarded. */ |
787 | void | |
788 | match_set_any_mpls_lse(struct match *match, int idx) | |
b02475c5 | 789 | { |
8bfd0fda BP |
790 | match->wc.masks.mpls_lse[idx] = htonl(0); |
791 | flow_set_mpls_lse(&match->flow, idx, htonl(0)); | |
b02475c5 SH |
792 | } |
793 | ||
81a76618 BP |
794 | void |
795 | match_set_tp_src(struct match *match, ovs_be16 tp_src) | |
796 | { | |
b8266395 | 797 | match_set_tp_src_masked(match, tp_src, OVS_BE16_MAX); |
81a76618 BP |
798 | } |
799 | ||
800 | void | |
801 | match_set_tp_src_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
802 | { | |
803 | match->flow.tp_src = port & mask; | |
804 | match->wc.masks.tp_src = mask; | |
805 | } | |
806 | ||
807 | void | |
808 | match_set_tp_dst(struct match *match, ovs_be16 tp_dst) | |
809 | { | |
b8266395 | 810 | match_set_tp_dst_masked(match, tp_dst, OVS_BE16_MAX); |
81a76618 BP |
811 | } |
812 | ||
813 | void | |
814 | match_set_tp_dst_masked(struct match *match, ovs_be16 port, ovs_be16 mask) | |
815 | { | |
816 | match->flow.tp_dst = port & mask; | |
817 | match->wc.masks.tp_dst = mask; | |
818 | } | |
819 | ||
dc235f7f JR |
820 | void |
821 | match_set_tcp_flags(struct match *match, ovs_be16 flags) | |
822 | { | |
823 | match_set_tcp_flags_masked(match, flags, OVS_BE16_MAX); | |
824 | } | |
825 | ||
826 | void | |
827 | match_set_tcp_flags_masked(struct match *match, ovs_be16 flags, ovs_be16 mask) | |
828 | { | |
829 | match->flow.tcp_flags = flags & mask; | |
830 | match->wc.masks.tcp_flags = mask; | |
831 | } | |
832 | ||
81a76618 BP |
833 | void |
834 | match_set_nw_proto(struct match *match, uint8_t nw_proto) | |
835 | { | |
836 | match->flow.nw_proto = nw_proto; | |
837 | match->wc.masks.nw_proto = UINT8_MAX; | |
838 | } | |
839 | ||
840 | void | |
841 | match_set_nw_src(struct match *match, ovs_be32 nw_src) | |
842 | { | |
843 | match->flow.nw_src = nw_src; | |
b8266395 | 844 | match->wc.masks.nw_src = OVS_BE32_MAX; |
81a76618 BP |
845 | } |
846 | ||
847 | void | |
848 | match_set_nw_src_masked(struct match *match, | |
849 | ovs_be32 nw_src, ovs_be32 mask) | |
850 | { | |
851 | match->flow.nw_src = nw_src & mask; | |
852 | match->wc.masks.nw_src = mask; | |
853 | } | |
854 | ||
855 | void | |
856 | match_set_nw_dst(struct match *match, ovs_be32 nw_dst) | |
857 | { | |
858 | match->flow.nw_dst = nw_dst; | |
b8266395 | 859 | match->wc.masks.nw_dst = OVS_BE32_MAX; |
81a76618 BP |
860 | } |
861 | ||
862 | void | |
863 | match_set_nw_dst_masked(struct match *match, ovs_be32 ip, ovs_be32 mask) | |
864 | { | |
865 | match->flow.nw_dst = ip & mask; | |
866 | match->wc.masks.nw_dst = mask; | |
867 | } | |
868 | ||
869 | void | |
870 | match_set_nw_dscp(struct match *match, uint8_t nw_dscp) | |
871 | { | |
872 | match->wc.masks.nw_tos |= IP_DSCP_MASK; | |
873 | match->flow.nw_tos &= ~IP_DSCP_MASK; | |
874 | match->flow.nw_tos |= nw_dscp & IP_DSCP_MASK; | |
875 | } | |
876 | ||
877 | void | |
878 | match_set_nw_ecn(struct match *match, uint8_t nw_ecn) | |
879 | { | |
880 | match->wc.masks.nw_tos |= IP_ECN_MASK; | |
881 | match->flow.nw_tos &= ~IP_ECN_MASK; | |
882 | match->flow.nw_tos |= nw_ecn & IP_ECN_MASK; | |
883 | } | |
884 | ||
885 | void | |
886 | match_set_nw_ttl(struct match *match, uint8_t nw_ttl) | |
887 | { | |
888 | match->wc.masks.nw_ttl = UINT8_MAX; | |
889 | match->flow.nw_ttl = nw_ttl; | |
890 | } | |
891 | ||
c489ad67 PB |
892 | void |
893 | match_set_nw_ttl_masked(struct match *match, uint8_t nw_ttl, uint8_t mask) | |
894 | { | |
895 | match->flow.nw_ttl = nw_ttl & mask; | |
896 | match->wc.masks.nw_ttl = mask; | |
897 | } | |
898 | ||
81a76618 BP |
899 | void |
900 | match_set_nw_frag(struct match *match, uint8_t nw_frag) | |
901 | { | |
902 | match->wc.masks.nw_frag |= FLOW_NW_FRAG_MASK; | |
903 | match->flow.nw_frag = nw_frag; | |
904 | } | |
905 | ||
906 | void | |
907 | match_set_nw_frag_masked(struct match *match, | |
908 | uint8_t nw_frag, uint8_t mask) | |
909 | { | |
910 | match->flow.nw_frag = nw_frag & mask; | |
911 | match->wc.masks.nw_frag = mask; | |
912 | } | |
913 | ||
914 | void | |
915 | match_set_icmp_type(struct match *match, uint8_t icmp_type) | |
916 | { | |
917 | match_set_tp_src(match, htons(icmp_type)); | |
918 | } | |
919 | ||
920 | void | |
921 | match_set_icmp_code(struct match *match, uint8_t icmp_code) | |
922 | { | |
923 | match_set_tp_dst(match, htons(icmp_code)); | |
924 | } | |
925 | ||
926 | void | |
74ff3298 | 927 | match_set_arp_sha(struct match *match, const struct eth_addr sha) |
81a76618 | 928 | { |
74ff3298 JR |
929 | match->flow.arp_sha = sha; |
930 | match->wc.masks.arp_sha = eth_addr_exact; | |
81a76618 BP |
931 | } |
932 | ||
933 | void | |
934 | match_set_arp_sha_masked(struct match *match, | |
74ff3298 JR |
935 | const struct eth_addr arp_sha, |
936 | const struct eth_addr mask) | |
81a76618 BP |
937 | { |
938 | set_eth_masked(arp_sha, mask, | |
74ff3298 | 939 | &match->flow.arp_sha, &match->wc.masks.arp_sha); |
81a76618 BP |
940 | } |
941 | ||
942 | void | |
74ff3298 | 943 | match_set_arp_tha(struct match *match, const struct eth_addr tha) |
81a76618 | 944 | { |
74ff3298 JR |
945 | match->flow.arp_tha = tha; |
946 | match->wc.masks.arp_tha = eth_addr_exact; | |
81a76618 BP |
947 | } |
948 | ||
949 | void | |
950 | match_set_arp_tha_masked(struct match *match, | |
74ff3298 JR |
951 | const struct eth_addr arp_tha, |
952 | const struct eth_addr mask) | |
81a76618 BP |
953 | { |
954 | set_eth_masked(arp_tha, mask, | |
74ff3298 | 955 | &match->flow.arp_tha, &match->wc.masks.arp_tha); |
81a76618 BP |
956 | } |
957 | ||
958 | void | |
959 | match_set_ipv6_src(struct match *match, const struct in6_addr *src) | |
960 | { | |
961 | match->flow.ipv6_src = *src; | |
962 | match->wc.masks.ipv6_src = in6addr_exact; | |
963 | } | |
964 | ||
965 | void | |
966 | match_set_ipv6_src_masked(struct match *match, const struct in6_addr *src, | |
967 | const struct in6_addr *mask) | |
968 | { | |
969 | match->flow.ipv6_src = ipv6_addr_bitand(src, mask); | |
970 | match->wc.masks.ipv6_src = *mask; | |
971 | } | |
972 | ||
973 | void | |
974 | match_set_ipv6_dst(struct match *match, const struct in6_addr *dst) | |
975 | { | |
976 | match->flow.ipv6_dst = *dst; | |
977 | match->wc.masks.ipv6_dst = in6addr_exact; | |
978 | } | |
979 | ||
980 | void | |
981 | match_set_ipv6_dst_masked(struct match *match, const struct in6_addr *dst, | |
982 | const struct in6_addr *mask) | |
983 | { | |
984 | match->flow.ipv6_dst = ipv6_addr_bitand(dst, mask); | |
985 | match->wc.masks.ipv6_dst = *mask; | |
986 | } | |
987 | ||
988 | void | |
989 | match_set_ipv6_label(struct match *match, ovs_be32 ipv6_label) | |
990 | { | |
b8266395 | 991 | match->wc.masks.ipv6_label = OVS_BE32_MAX; |
81a76618 BP |
992 | match->flow.ipv6_label = ipv6_label; |
993 | } | |
994 | ||
995 | ||
996 | void | |
997 | match_set_ipv6_label_masked(struct match *match, ovs_be32 ipv6_label, | |
998 | ovs_be32 mask) | |
999 | { | |
1000 | match->flow.ipv6_label = ipv6_label & mask; | |
1001 | match->wc.masks.ipv6_label = mask; | |
1002 | } | |
1003 | ||
1004 | void | |
1005 | match_set_nd_target(struct match *match, const struct in6_addr *target) | |
1006 | { | |
1007 | match->flow.nd_target = *target; | |
1008 | match->wc.masks.nd_target = in6addr_exact; | |
1009 | } | |
1010 | ||
1011 | void | |
1012 | match_set_nd_target_masked(struct match *match, | |
1013 | const struct in6_addr *target, | |
1014 | const struct in6_addr *mask) | |
1015 | { | |
1016 | match->flow.nd_target = ipv6_addr_bitand(target, mask); | |
1017 | match->wc.masks.nd_target = *mask; | |
1018 | } | |
1019 | ||
1020 | /* Returns true if 'a' and 'b' wildcard the same fields and have the same | |
1021 | * values for fixed fields, otherwise false. */ | |
1022 | bool | |
1023 | match_equal(const struct match *a, const struct match *b) | |
1024 | { | |
1025 | return (flow_wildcards_equal(&a->wc, &b->wc) | |
1026 | && flow_equal(&a->flow, &b->flow)); | |
1027 | } | |
1028 | ||
1029 | /* Returns a hash value for the flow and wildcards in 'match', starting from | |
1030 | * 'basis'. */ | |
1031 | uint32_t | |
1032 | match_hash(const struct match *match, uint32_t basis) | |
1033 | { | |
1034 | return flow_wildcards_hash(&match->wc, flow_hash(&match->flow, basis)); | |
1035 | } | |
1036 | ||
adcf00ba AZ |
1037 | static bool |
1038 | match_has_default_recirc_id(const struct match *m) | |
1039 | { | |
1040 | return m->flow.recirc_id == 0 && (m->wc.masks.recirc_id == UINT32_MAX || | |
1041 | m->wc.masks.recirc_id == 0); | |
1042 | } | |
1043 | ||
1044 | static bool | |
1045 | match_has_default_dp_hash(const struct match *m) | |
1046 | { | |
1047 | return ((m->flow.dp_hash | m->wc.masks.dp_hash) == 0); | |
1048 | } | |
1049 | ||
1050 | /* Return true if the hidden fields of the match are set to the default values. | |
1051 | * The default values equals to those set up by match_init_hidden_fields(). */ | |
1052 | bool | |
1053 | match_has_default_hidden_fields(const struct match *m) | |
1054 | { | |
1055 | return match_has_default_recirc_id(m) && match_has_default_dp_hash(m); | |
1056 | } | |
1057 | ||
1058 | void | |
1059 | match_init_hidden_fields(struct match *m) | |
1060 | { | |
1061 | match_set_recirc_id(m, 0); | |
1062 | match_set_dp_hash_masked(m, 0, 0); | |
1063 | } | |
1064 | ||
81a76618 | 1065 | static void |
3bd0fd39 | 1066 | format_eth_masked(struct ds *s, const char *name, |
74ff3298 | 1067 | const struct eth_addr eth, const struct eth_addr mask) |
81a76618 BP |
1068 | { |
1069 | if (!eth_addr_is_zero(mask)) { | |
0deec6d2 | 1070 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
74ff3298 | 1071 | eth_format_masked(eth, &mask, s); |
81a76618 BP |
1072 | ds_put_char(s, ','); |
1073 | } | |
1074 | } | |
1075 | ||
1076 | static void | |
1077 | format_ip_netmask(struct ds *s, const char *name, ovs_be32 ip, | |
1078 | ovs_be32 netmask) | |
1079 | { | |
1080 | if (netmask) { | |
0deec6d2 | 1081 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
81a76618 BP |
1082 | ip_format_masked(ip, netmask, s); |
1083 | ds_put_char(s, ','); | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | static void | |
1088 | format_ipv6_netmask(struct ds *s, const char *name, | |
1089 | const struct in6_addr *addr, | |
1090 | const struct in6_addr *netmask) | |
1091 | { | |
1092 | if (!ipv6_mask_is_any(netmask)) { | |
0deec6d2 | 1093 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
ac6d120f | 1094 | ipv6_format_masked(addr, netmask, s); |
81a76618 BP |
1095 | ds_put_char(s, ','); |
1096 | } | |
1097 | } | |
1098 | ||
3d2fbd70 JS |
1099 | static void |
1100 | format_uint8_masked(struct ds *s, const char *name, | |
1101 | uint8_t value, uint8_t mask) | |
1102 | { | |
1103 | if (mask != 0) { | |
1104 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); | |
1105 | if (mask == UINT8_MAX) { | |
1106 | ds_put_format(s, "%"PRIu8, value); | |
1107 | } else { | |
1108 | ds_put_format(s, "0x%02"PRIx8"/0x%02"PRIx8, value, mask); | |
1109 | } | |
1110 | ds_put_char(s, ','); | |
1111 | } | |
1112 | } | |
1113 | ||
07659514 JS |
1114 | static void |
1115 | format_uint16_masked(struct ds *s, const char *name, | |
1116 | uint16_t value, uint16_t mask) | |
1117 | { | |
1118 | if (mask != 0) { | |
0deec6d2 | 1119 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
07659514 JS |
1120 | if (mask == UINT16_MAX) { |
1121 | ds_put_format(s, "%"PRIu16, value); | |
1122 | } else { | |
1123 | ds_put_format(s, "0x%"PRIx16"/0x%"PRIx16, value, mask); | |
1124 | } | |
1125 | ds_put_char(s, ','); | |
1126 | } | |
1127 | } | |
1128 | ||
81a76618 BP |
1129 | static void |
1130 | format_be16_masked(struct ds *s, const char *name, | |
1131 | ovs_be16 value, ovs_be16 mask) | |
1132 | { | |
1133 | if (mask != htons(0)) { | |
0deec6d2 | 1134 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
b8266395 | 1135 | if (mask == OVS_BE16_MAX) { |
81a76618 BP |
1136 | ds_put_format(s, "%"PRIu16, ntohs(value)); |
1137 | } else { | |
1138 | ds_put_format(s, "0x%"PRIx16"/0x%"PRIx16, | |
1139 | ntohs(value), ntohs(mask)); | |
1140 | } | |
1141 | ds_put_char(s, ','); | |
1142 | } | |
1143 | } | |
1144 | ||
8bfd0fda BP |
1145 | static void |
1146 | format_be32_masked(struct ds *s, const char *name, | |
1147 | ovs_be32 value, ovs_be32 mask) | |
1148 | { | |
1149 | if (mask != htonl(0)) { | |
0deec6d2 | 1150 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); |
8bfd0fda BP |
1151 | if (mask == OVS_BE32_MAX) { |
1152 | ds_put_format(s, "%"PRIu32, ntohl(value)); | |
3d2fbd70 JS |
1153 | } else { |
1154 | ds_put_format(s, "0x%08"PRIx32"/0x%08"PRIx32, | |
1155 | ntohl(value), ntohl(mask)); | |
1156 | } | |
1157 | ds_put_char(s, ','); | |
1158 | } | |
1159 | } | |
1160 | ||
1161 | static void | |
1162 | format_be32_masked_hex(struct ds *s, const char *name, | |
1163 | ovs_be32 value, ovs_be32 mask) | |
1164 | { | |
1165 | if (mask != htonl(0)) { | |
1166 | ds_put_format(s, "%s%s=%s", colors.param, name, colors.end); | |
1167 | if (mask == OVS_BE32_MAX) { | |
1168 | ds_put_format(s, "0x%"PRIx32, ntohl(value)); | |
8bfd0fda BP |
1169 | } else { |
1170 | ds_put_format(s, "0x%"PRIx32"/0x%"PRIx32, | |
1171 | ntohl(value), ntohl(mask)); | |
1172 | } | |
1173 | ds_put_char(s, ','); | |
1174 | } | |
1175 | } | |
1176 | ||
b60f804e AZ |
1177 | static void |
1178 | format_uint32_masked(struct ds *s, const char *name, | |
1179 | uint32_t value, uint32_t mask) | |
1180 | { | |
1181 | if (mask) { | |
0deec6d2 QM |
1182 | ds_put_format(s, "%s%s=%s%#"PRIx32, |
1183 | colors.param, name, colors.end, value); | |
b60f804e AZ |
1184 | if (mask != UINT32_MAX) { |
1185 | ds_put_format(s, "/%#"PRIx32, mask); | |
1186 | } | |
1187 | ds_put_char(s, ','); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | static void | |
1192 | format_be64_masked(struct ds *s, const char *name, | |
1193 | ovs_be64 value, ovs_be64 mask) | |
1194 | { | |
1195 | if (mask != htonll(0)) { | |
0deec6d2 QM |
1196 | ds_put_format(s, "%s%s=%s%#"PRIx64, |
1197 | colors.param, name, colors.end, ntohll(value)); | |
b60f804e AZ |
1198 | if (mask != OVS_BE64_MAX) { |
1199 | ds_put_format(s, "/%#"PRIx64, ntohll(mask)); | |
1200 | } | |
1201 | ds_put_char(s, ','); | |
1202 | } | |
1203 | } | |
1204 | ||
4fe3445a PS |
1205 | static void |
1206 | format_flow_tunnel(struct ds *s, const struct match *match) | |
1207 | { | |
1208 | const struct flow_wildcards *wc = &match->wc; | |
1209 | const struct flow_tnl *tnl = &match->flow.tunnel; | |
1210 | ||
b60f804e | 1211 | format_be64_masked(s, "tun_id", tnl->tun_id, wc->masks.tunnel.tun_id); |
4fe3445a PS |
1212 | format_ip_netmask(s, "tun_src", tnl->ip_src, wc->masks.tunnel.ip_src); |
1213 | format_ip_netmask(s, "tun_dst", tnl->ip_dst, wc->masks.tunnel.ip_dst); | |
ffe4c74f JB |
1214 | format_ipv6_netmask(s, "tun_ipv6_src", &tnl->ipv6_src, |
1215 | &wc->masks.tunnel.ipv6_src); | |
1216 | format_ipv6_netmask(s, "tun_ipv6_dst", &tnl->ipv6_dst, | |
1217 | &wc->masks.tunnel.ipv6_dst); | |
4fe3445a | 1218 | |
ac6073e3 MC |
1219 | if (wc->masks.tunnel.gbp_id) { |
1220 | format_be16_masked(s, "tun_gbp_id", tnl->gbp_id, | |
1221 | wc->masks.tunnel.gbp_id); | |
1222 | } | |
1223 | ||
1224 | if (wc->masks.tunnel.gbp_flags) { | |
1225 | ds_put_format(s, "tun_gbp_flags=%#"PRIx8",", tnl->gbp_flags); | |
1226 | } | |
1227 | ||
4fe3445a PS |
1228 | if (wc->masks.tunnel.ip_tos) { |
1229 | ds_put_format(s, "tun_tos=%"PRIx8",", tnl->ip_tos); | |
1230 | } | |
1231 | if (wc->masks.tunnel.ip_ttl) { | |
1232 | ds_put_format(s, "tun_ttl=%"PRIu8",", tnl->ip_ttl); | |
1233 | } | |
3721b406 | 1234 | if (wc->masks.tunnel.flags & FLOW_TNL_F_MASK) { |
b666962b | 1235 | format_flags_masked(s, "tun_flags", flow_tun_flag_to_string, |
3721b406 | 1236 | tnl->flags & FLOW_TNL_F_MASK, |
b666962b JG |
1237 | wc->masks.tunnel.flags & FLOW_TNL_F_MASK, |
1238 | FLOW_TNL_F_MASK); | |
4fe3445a PS |
1239 | ds_put_char(s, ','); |
1240 | } | |
9558d2a5 | 1241 | tun_metadata_match_format(s, match); |
4fe3445a PS |
1242 | } |
1243 | ||
9daf2348 JS |
1244 | static void |
1245 | format_ct_label_masked(struct ds *s, const ovs_u128 *key, const ovs_u128 *mask) | |
1246 | { | |
2ff8484b | 1247 | if (!ovs_u128_is_zero(*mask)) { |
32ea15f6 | 1248 | ovs_be128 value = hton128(*key); |
0deec6d2 | 1249 | ds_put_format(s, "%sct_label=%s", colors.param, colors.end); |
9daf2348 JS |
1250 | ds_put_hex(s, &value, sizeof value); |
1251 | if (!is_all_ones(mask, sizeof(*mask))) { | |
32ea15f6 | 1252 | value = hton128(*mask); |
9daf2348 JS |
1253 | ds_put_char(s, '/'); |
1254 | ds_put_hex(s, &value, sizeof value); | |
1255 | } | |
1256 | ds_put_char(s, ','); | |
1257 | } | |
1258 | } | |
1259 | ||
3d2fbd70 JS |
1260 | static void |
1261 | format_nsh_masked(struct ds *s, const struct flow *f, const struct flow *m) | |
1262 | { | |
17553f27 YY |
1263 | ovs_be32 spi_mask = nsh_path_hdr_to_spi(m->nsh.path_hdr); |
1264 | if (spi_mask == htonl(NSH_SPI_MASK >> NSH_SPI_SHIFT)) { | |
1265 | spi_mask = OVS_BE32_MAX; | |
1266 | } | |
3d2fbd70 | 1267 | format_uint8_masked(s, "nsh_flags", f->nsh.flags, m->nsh.flags); |
17553f27 | 1268 | format_uint8_masked(s, "nsh_ttl", f->nsh.ttl, m->nsh.ttl); |
3d2fbd70 JS |
1269 | format_uint8_masked(s, "nsh_mdtype", f->nsh.mdtype, m->nsh.mdtype); |
1270 | format_uint8_masked(s, "nsh_np", f->nsh.np, m->nsh.np); | |
17553f27 YY |
1271 | |
1272 | format_be32_masked_hex(s, "nsh_spi", nsh_path_hdr_to_spi(f->nsh.path_hdr), | |
1273 | spi_mask); | |
1274 | format_uint8_masked(s, "nsh_si", nsh_path_hdr_to_si(f->nsh.path_hdr), | |
1275 | nsh_path_hdr_to_si(m->nsh.path_hdr)); | |
3d2fbd70 | 1276 | if (m->nsh.mdtype == UINT8_MAX && f->nsh.mdtype == NSH_M_TYPE1) { |
f59cb331 YY |
1277 | format_be32_masked_hex(s, "nsh_c1", f->nsh.context[0], |
1278 | m->nsh.context[0]); | |
1279 | format_be32_masked_hex(s, "nsh_c2", f->nsh.context[1], | |
1280 | m->nsh.context[1]); | |
1281 | format_be32_masked_hex(s, "nsh_c3", f->nsh.context[2], | |
1282 | m->nsh.context[2]); | |
1283 | format_be32_masked_hex(s, "nsh_c4", f->nsh.context[3], | |
1284 | m->nsh.context[3]); | |
3d2fbd70 JS |
1285 | } |
1286 | } | |
1287 | ||
81a76618 | 1288 | /* Appends a string representation of 'match' to 's'. If 'priority' is |
50f96b10 BP |
1289 | * different from OFP_DEFAULT_PRIORITY, includes it in 's'. If 'port_map' is |
1290 | * nonnull, uses it to translate port numbers to names in output. */ | |
81a76618 | 1291 | void |
50f96b10 BP |
1292 | match_format(const struct match *match, |
1293 | const struct ofputil_port_map *port_map, | |
1294 | struct ds *s, int priority) | |
81a76618 BP |
1295 | { |
1296 | const struct flow_wildcards *wc = &match->wc; | |
1297 | size_t start_len = s->length; | |
1298 | const struct flow *f = &match->flow; | |
1299 | bool skip_type = false; | |
1300 | bool skip_proto = false; | |
3d4b2e6e | 1301 | ovs_be16 dl_type = f->dl_type; |
e3981271 | 1302 | bool is_megaflow = false; |
81a76618 BP |
1303 | int i; |
1304 | ||
3d2fbd70 | 1305 | BUILD_ASSERT_DECL(FLOW_WC_SEQ == 40); |
81a76618 BP |
1306 | |
1307 | if (priority != OFP_DEFAULT_PRIORITY) { | |
0deec6d2 QM |
1308 | ds_put_format(s, "%spriority=%s%d,", |
1309 | colors.special, colors.end, priority); | |
81a76618 BP |
1310 | } |
1311 | ||
b60f804e | 1312 | format_uint32_masked(s, "pkt_mark", f->pkt_mark, wc->masks.pkt_mark); |
1b567fb9 | 1313 | |
a79f29f2 AZ |
1314 | if (wc->masks.recirc_id) { |
1315 | format_uint32_masked(s, "recirc_id", f->recirc_id, | |
1316 | wc->masks.recirc_id); | |
e3981271 | 1317 | is_megaflow = true; |
a79f29f2 AZ |
1318 | } |
1319 | ||
330de069 | 1320 | if (wc->masks.dp_hash) { |
a79f29f2 AZ |
1321 | format_uint32_masked(s, "dp_hash", f->dp_hash, |
1322 | wc->masks.dp_hash); | |
1323 | } | |
1324 | ||
18080541 | 1325 | if (wc->masks.conj_id) { |
0deec6d2 QM |
1326 | ds_put_format(s, "%sconj_id%s=%"PRIu32",", |
1327 | colors.param, colors.end, f->conj_id); | |
18080541 BP |
1328 | } |
1329 | ||
1b567fb9 | 1330 | if (wc->masks.skb_priority) { |
0deec6d2 QM |
1331 | ds_put_format(s, "%sskb_priority=%s%#"PRIx32",", |
1332 | colors.param, colors.end, f->skb_priority); | |
1b567fb9 AA |
1333 | } |
1334 | ||
c61f3870 | 1335 | if (wc->masks.actset_output) { |
0deec6d2 | 1336 | ds_put_format(s, "%sactset_output=%s", colors.param, colors.end); |
50f96b10 | 1337 | ofputil_format_port(f->actset_output, port_map, s); |
c61f3870 BP |
1338 | ds_put_char(s, ','); |
1339 | } | |
1340 | ||
07659514 | 1341 | if (wc->masks.ct_state) { |
2a28ccc8 | 1342 | if (wc->masks.ct_state == UINT8_MAX) { |
0deec6d2 | 1343 | ds_put_format(s, "%sct_state=%s", colors.param, colors.end); |
07659514 JS |
1344 | if (f->ct_state) { |
1345 | format_flags(s, ct_state_to_string, f->ct_state, '|'); | |
1346 | } else { | |
1347 | ds_put_cstr(s, "0"); /* No state. */ | |
1348 | } | |
1349 | } else { | |
1350 | format_flags_masked(s, "ct_state", ct_state_to_string, | |
2a28ccc8 | 1351 | f->ct_state, wc->masks.ct_state, UINT8_MAX); |
07659514 JS |
1352 | } |
1353 | ds_put_char(s, ','); | |
1354 | } | |
1355 | ||
1356 | if (wc->masks.ct_zone) { | |
1357 | format_uint16_masked(s, "ct_zone", f->ct_zone, wc->masks.ct_zone); | |
1358 | } | |
1359 | ||
8e53fe8c JS |
1360 | if (wc->masks.ct_mark) { |
1361 | format_uint32_masked(s, "ct_mark", f->ct_mark, wc->masks.ct_mark); | |
1362 | } | |
1363 | ||
2ff8484b | 1364 | if (!ovs_u128_is_zero(wc->masks.ct_label)) { |
9daf2348 JS |
1365 | format_ct_label_masked(s, &f->ct_label, &wc->masks.ct_label); |
1366 | } | |
1367 | ||
daf4d3c1 JR |
1368 | format_ip_netmask(s, "ct_nw_src", f->ct_nw_src, |
1369 | wc->masks.ct_nw_src); | |
1370 | format_ipv6_netmask(s, "ct_ipv6_src", &f->ct_ipv6_src, | |
1371 | &wc->masks.ct_ipv6_src); | |
1372 | format_ip_netmask(s, "ct_nw_dst", f->ct_nw_dst, | |
1373 | wc->masks.ct_nw_dst); | |
1374 | format_ipv6_netmask(s, "ct_ipv6_dst", &f->ct_ipv6_dst, | |
1375 | &wc->masks.ct_ipv6_dst); | |
1376 | if (wc->masks.ct_nw_proto) { | |
1377 | ds_put_format(s, "%sct_nw_proto=%s%"PRIu8",", | |
1378 | colors.param, colors.end, f->ct_nw_proto); | |
1379 | format_be16_masked(s, "ct_tp_src", f->ct_tp_src, wc->masks.ct_tp_src); | |
1380 | format_be16_masked(s, "ct_tp_dst", f->ct_tp_dst, wc->masks.ct_tp_dst); | |
1381 | } | |
1382 | ||
e3981271 JS |
1383 | if (wc->masks.packet_type && |
1384 | (!match_has_default_packet_type(match) || is_megaflow)) { | |
3d4b2e6e JS |
1385 | format_packet_type_masked(s, f->packet_type, wc->masks.packet_type); |
1386 | ds_put_char(s, ','); | |
1387 | if (pt_ns(f->packet_type) == OFPHTN_ETHERTYPE) { | |
1388 | dl_type = pt_ns_type_be(f->packet_type); | |
beb75a40 JS |
1389 | } |
1390 | } | |
1391 | ||
81a76618 BP |
1392 | if (wc->masks.dl_type) { |
1393 | skip_type = true; | |
3d4b2e6e | 1394 | if (dl_type == htons(ETH_TYPE_IP)) { |
81a76618 BP |
1395 | if (wc->masks.nw_proto) { |
1396 | skip_proto = true; | |
1397 | if (f->nw_proto == IPPROTO_ICMP) { | |
0deec6d2 | 1398 | ds_put_format(s, "%sicmp%s,", colors.value, colors.end); |
0e612675 | 1399 | } else if (f->nw_proto == IPPROTO_IGMP) { |
0deec6d2 | 1400 | ds_put_format(s, "%sigmp%s,", colors.value, colors.end); |
81a76618 | 1401 | } else if (f->nw_proto == IPPROTO_TCP) { |
0deec6d2 | 1402 | ds_put_format(s, "%stcp%s,", colors.value, colors.end); |
81a76618 | 1403 | } else if (f->nw_proto == IPPROTO_UDP) { |
0deec6d2 | 1404 | ds_put_format(s, "%sudp%s,", colors.value, colors.end); |
0d56eaf2 | 1405 | } else if (f->nw_proto == IPPROTO_SCTP) { |
0deec6d2 | 1406 | ds_put_format(s, "%ssctp%s,", colors.value, colors.end); |
81a76618 | 1407 | } else { |
0deec6d2 | 1408 | ds_put_format(s, "%sip%s,", colors.value, colors.end); |
81a76618 BP |
1409 | skip_proto = false; |
1410 | } | |
1411 | } else { | |
0deec6d2 | 1412 | ds_put_format(s, "%sip%s,", colors.value, colors.end); |
81a76618 | 1413 | } |
3d4b2e6e | 1414 | } else if (dl_type == htons(ETH_TYPE_IPV6)) { |
81a76618 BP |
1415 | if (wc->masks.nw_proto) { |
1416 | skip_proto = true; | |
1417 | if (f->nw_proto == IPPROTO_ICMPV6) { | |
0deec6d2 | 1418 | ds_put_format(s, "%sicmp6%s,", colors.value, colors.end); |
81a76618 | 1419 | } else if (f->nw_proto == IPPROTO_TCP) { |
0deec6d2 | 1420 | ds_put_format(s, "%stcp6%s,", colors.value, colors.end); |
81a76618 | 1421 | } else if (f->nw_proto == IPPROTO_UDP) { |
0deec6d2 | 1422 | ds_put_format(s, "%sudp6%s,", colors.value, colors.end); |
0d56eaf2 | 1423 | } else if (f->nw_proto == IPPROTO_SCTP) { |
0deec6d2 | 1424 | ds_put_format(s, "%ssctp6%s,", colors.value, colors.end); |
81a76618 | 1425 | } else { |
0deec6d2 | 1426 | ds_put_format(s, "%sipv6%s,", colors.value, colors.end); |
81a76618 BP |
1427 | skip_proto = false; |
1428 | } | |
1429 | } else { | |
0deec6d2 | 1430 | ds_put_format(s, "%sipv6%s,", colors.value, colors.end); |
81a76618 | 1431 | } |
3d4b2e6e | 1432 | } else if (dl_type == htons(ETH_TYPE_ARP)) { |
0deec6d2 | 1433 | ds_put_format(s, "%sarp%s,", colors.value, colors.end); |
3d4b2e6e | 1434 | } else if (dl_type == htons(ETH_TYPE_RARP)) { |
0deec6d2 | 1435 | ds_put_format(s, "%srarp%s,", colors.value, colors.end); |
3d4b2e6e | 1436 | } else if (dl_type == htons(ETH_TYPE_MPLS)) { |
0deec6d2 | 1437 | ds_put_format(s, "%smpls%s,", colors.value, colors.end); |
3d4b2e6e | 1438 | } else if (dl_type == htons(ETH_TYPE_MPLS_MCAST)) { |
0deec6d2 | 1439 | ds_put_format(s, "%smplsm%s,", colors.value, colors.end); |
81a76618 BP |
1440 | } else { |
1441 | skip_type = false; | |
1442 | } | |
1443 | } | |
1444 | for (i = 0; i < FLOW_N_REGS; i++) { | |
b60f804e AZ |
1445 | #define REGNAME_LEN 20 |
1446 | char regname[REGNAME_LEN]; | |
1447 | if (snprintf(regname, REGNAME_LEN, "reg%d", i) >= REGNAME_LEN) { | |
1448 | strcpy(regname, "reg?"); | |
81a76618 | 1449 | } |
b60f804e | 1450 | format_uint32_masked(s, regname, f->regs[i], wc->masks.regs[i]); |
81a76618 | 1451 | } |
4fe3445a PS |
1452 | |
1453 | format_flow_tunnel(s, match); | |
1454 | ||
b60f804e AZ |
1455 | format_be64_masked(s, "metadata", f->metadata, wc->masks.metadata); |
1456 | ||
4e022ec0 | 1457 | if (wc->masks.in_port.ofp_port) { |
0deec6d2 | 1458 | ds_put_format(s, "%sin_port=%s", colors.param, colors.end); |
50f96b10 | 1459 | ofputil_format_port(f->in_port.ofp_port, port_map, s); |
576ec803 | 1460 | ds_put_char(s, ','); |
81a76618 | 1461 | } |
f0fb825a EG |
1462 | for (i = 0; i < FLOW_MAX_VLAN_HEADERS; i++) { |
1463 | char str_i[8]; | |
81a76618 | 1464 | |
f0fb825a EG |
1465 | if (!wc->masks.vlans[i].tci) { |
1466 | break; | |
1467 | } | |
1468 | ||
1469 | /* Print VLAN tags as dl_vlan, dl_vlan1, dl_vlan2 ... */ | |
1470 | if (i == 0) { | |
1471 | str_i[0] = '\0'; | |
1472 | } else { | |
1473 | snprintf(str_i, sizeof(str_i), "%d", i); | |
1474 | } | |
1475 | ovs_be16 vid_mask = wc->masks.vlans[i].tci & htons(VLAN_VID_MASK); | |
1476 | ovs_be16 pcp_mask = wc->masks.vlans[i].tci & htons(VLAN_PCP_MASK); | |
1477 | ovs_be16 cfi = wc->masks.vlans[i].tci & htons(VLAN_CFI); | |
1478 | ||
1479 | if (cfi && f->vlans[i].tci & htons(VLAN_CFI) | |
81a76618 BP |
1480 | && (!vid_mask || vid_mask == htons(VLAN_VID_MASK)) |
1481 | && (!pcp_mask || pcp_mask == htons(VLAN_PCP_MASK)) | |
1482 | && (vid_mask || pcp_mask)) { | |
1483 | if (vid_mask) { | |
f0fb825a EG |
1484 | ds_put_format(s, "%sdl_vlan%s=%s%"PRIu16",", |
1485 | colors.param, str_i, colors.end, | |
1486 | vlan_tci_to_vid(f->vlans[i].tci)); | |
81a76618 BP |
1487 | } |
1488 | if (pcp_mask) { | |
f0fb825a EG |
1489 | ds_put_format(s, "%sdl_vlan_pcp%s=%s%d,", |
1490 | colors.param, str_i, colors.end, | |
1491 | vlan_tci_to_pcp(f->vlans[i].tci)); | |
81a76618 | 1492 | } |
f0fb825a EG |
1493 | } else if (wc->masks.vlans[i].tci == htons(0xffff)) { |
1494 | ds_put_format(s, "%svlan_tci%s=%s0x%04"PRIx16",", | |
1495 | colors.param, str_i, colors.end, | |
1496 | ntohs(f->vlans[i].tci)); | |
81a76618 | 1497 | } else { |
f0fb825a EG |
1498 | ds_put_format(s, "%svlan_tci%s=%s0x%04"PRIx16"/0x%04"PRIx16",", |
1499 | colors.param, str_i, colors.end, | |
1500 | ntohs(f->vlans[i].tci), | |
1501 | ntohs(wc->masks.vlans[i].tci)); | |
81a76618 BP |
1502 | } |
1503 | } | |
beb75a40 | 1504 | |
81a76618 BP |
1505 | format_eth_masked(s, "dl_src", f->dl_src, wc->masks.dl_src); |
1506 | format_eth_masked(s, "dl_dst", f->dl_dst, wc->masks.dl_dst); | |
beb75a40 | 1507 | |
81a76618 | 1508 | if (!skip_type && wc->masks.dl_type) { |
0deec6d2 | 1509 | ds_put_format(s, "%sdl_type=%s0x%04"PRIx16",", |
3d4b2e6e | 1510 | colors.param, colors.end, ntohs(dl_type)); |
81a76618 | 1511 | } |
3d4b2e6e | 1512 | if (dl_type == htons(ETH_TYPE_IPV6)) { |
81a76618 BP |
1513 | format_ipv6_netmask(s, "ipv6_src", &f->ipv6_src, &wc->masks.ipv6_src); |
1514 | format_ipv6_netmask(s, "ipv6_dst", &f->ipv6_dst, &wc->masks.ipv6_dst); | |
1515 | if (wc->masks.ipv6_label) { | |
b8266395 | 1516 | if (wc->masks.ipv6_label == OVS_BE32_MAX) { |
0deec6d2 QM |
1517 | ds_put_format(s, "%sipv6_label=%s0x%05"PRIx32",", |
1518 | colors.param, colors.end, | |
81a76618 BP |
1519 | ntohl(f->ipv6_label)); |
1520 | } else { | |
0deec6d2 QM |
1521 | ds_put_format(s, "%sipv6_label=%s0x%05"PRIx32"/0x%05"PRIx32",", |
1522 | colors.param, colors.end, ntohl(f->ipv6_label), | |
81a76618 BP |
1523 | ntohl(wc->masks.ipv6_label)); |
1524 | } | |
1525 | } | |
3d4b2e6e JS |
1526 | } else if (dl_type == htons(ETH_TYPE_ARP) || |
1527 | dl_type == htons(ETH_TYPE_RARP)) { | |
666d0863 MM |
1528 | format_ip_netmask(s, "arp_spa", f->nw_src, wc->masks.nw_src); |
1529 | format_ip_netmask(s, "arp_tpa", f->nw_dst, wc->masks.nw_dst); | |
3d2fbd70 JS |
1530 | } else if (dl_type == htons(ETH_TYPE_NSH)) { |
1531 | format_nsh_masked(s, f, &wc->masks); | |
81a76618 BP |
1532 | } else { |
1533 | format_ip_netmask(s, "nw_src", f->nw_src, wc->masks.nw_src); | |
1534 | format_ip_netmask(s, "nw_dst", f->nw_dst, wc->masks.nw_dst); | |
1535 | } | |
1536 | if (!skip_proto && wc->masks.nw_proto) { | |
3d4b2e6e JS |
1537 | if (dl_type == htons(ETH_TYPE_ARP) || |
1538 | dl_type == htons(ETH_TYPE_RARP)) { | |
0deec6d2 QM |
1539 | ds_put_format(s, "%sarp_op=%s%"PRIu8",", |
1540 | colors.param, colors.end, f->nw_proto); | |
81a76618 | 1541 | } else { |
0deec6d2 QM |
1542 | ds_put_format(s, "%snw_proto=%s%"PRIu8",", |
1543 | colors.param, colors.end, f->nw_proto); | |
81a76618 BP |
1544 | } |
1545 | } | |
3d4b2e6e JS |
1546 | if (dl_type == htons(ETH_TYPE_ARP) || |
1547 | dl_type == htons(ETH_TYPE_RARP)) { | |
81a76618 BP |
1548 | format_eth_masked(s, "arp_sha", f->arp_sha, wc->masks.arp_sha); |
1549 | format_eth_masked(s, "arp_tha", f->arp_tha, wc->masks.arp_tha); | |
1550 | } | |
1551 | if (wc->masks.nw_tos & IP_DSCP_MASK) { | |
fd13c6b5 | 1552 | ds_put_format(s, "%snw_tos=%s%d,", |
0deec6d2 | 1553 | colors.param, colors.end, f->nw_tos & IP_DSCP_MASK); |
81a76618 BP |
1554 | } |
1555 | if (wc->masks.nw_tos & IP_ECN_MASK) { | |
fd13c6b5 | 1556 | ds_put_format(s, "%snw_ecn=%s%d,", |
0deec6d2 | 1557 | colors.param, colors.end, f->nw_tos & IP_ECN_MASK); |
81a76618 BP |
1558 | } |
1559 | if (wc->masks.nw_ttl) { | |
fd13c6b5 | 1560 | ds_put_format(s, "%snw_ttl=%s%d,", |
0deec6d2 | 1561 | colors.param, colors.end, f->nw_ttl); |
81a76618 | 1562 | } |
8bfd0fda | 1563 | if (wc->masks.mpls_lse[0] & htonl(MPLS_LABEL_MASK)) { |
0deec6d2 QM |
1564 | ds_put_format(s, "%smpls_label=%s%"PRIu32",", colors.param, |
1565 | colors.end, mpls_lse_to_label(f->mpls_lse[0])); | |
b02475c5 | 1566 | } |
8bfd0fda | 1567 | if (wc->masks.mpls_lse[0] & htonl(MPLS_TC_MASK)) { |
0deec6d2 | 1568 | ds_put_format(s, "%smpls_tc=%s%"PRIu8",", colors.param, colors.end, |
78c9486d | 1569 | mpls_lse_to_tc(f->mpls_lse[0])); |
b02475c5 | 1570 | } |
8bfd0fda | 1571 | if (wc->masks.mpls_lse[0] & htonl(MPLS_TTL_MASK)) { |
0deec6d2 | 1572 | ds_put_format(s, "%smpls_ttl=%s%"PRIu8",", colors.param, colors.end, |
78c9486d | 1573 | mpls_lse_to_ttl(f->mpls_lse[0])); |
392c30ba | 1574 | } |
8bfd0fda | 1575 | if (wc->masks.mpls_lse[0] & htonl(MPLS_BOS_MASK)) { |
0deec6d2 | 1576 | ds_put_format(s, "%smpls_bos=%s%"PRIu8",", colors.param, colors.end, |
78c9486d | 1577 | mpls_lse_to_bos(f->mpls_lse[0])); |
b02475c5 | 1578 | } |
8bfd0fda BP |
1579 | format_be32_masked(s, "mpls_lse1", f->mpls_lse[1], wc->masks.mpls_lse[1]); |
1580 | format_be32_masked(s, "mpls_lse2", f->mpls_lse[2], wc->masks.mpls_lse[2]); | |
1581 | ||
81a76618 BP |
1582 | switch (wc->masks.nw_frag) { |
1583 | case FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER: | |
0deec6d2 | 1584 | ds_put_format(s, "%snw_frag=%s%s,", colors.param, colors.end, |
81a76618 BP |
1585 | f->nw_frag & FLOW_NW_FRAG_ANY |
1586 | ? (f->nw_frag & FLOW_NW_FRAG_LATER ? "later" : "first") | |
1587 | : (f->nw_frag & FLOW_NW_FRAG_LATER ? "<error>" : "no")); | |
1588 | break; | |
1589 | ||
1590 | case FLOW_NW_FRAG_ANY: | |
0deec6d2 | 1591 | ds_put_format(s, "%snw_frag=%s%s,", colors.param, colors.end, |
81a76618 BP |
1592 | f->nw_frag & FLOW_NW_FRAG_ANY ? "yes" : "no"); |
1593 | break; | |
1594 | ||
1595 | case FLOW_NW_FRAG_LATER: | |
0deec6d2 | 1596 | ds_put_format(s, "%snw_frag=%s%s,", colors.param, colors.end, |
81a76618 BP |
1597 | f->nw_frag & FLOW_NW_FRAG_LATER ? "later" : "not_later"); |
1598 | break; | |
1599 | } | |
3d4b2e6e | 1600 | if (dl_type == htons(ETH_TYPE_IP) && |
19564d20 | 1601 | f->nw_proto == IPPROTO_ICMP) { |
81a76618 BP |
1602 | format_be16_masked(s, "icmp_type", f->tp_src, wc->masks.tp_src); |
1603 | format_be16_masked(s, "icmp_code", f->tp_dst, wc->masks.tp_dst); | |
3d4b2e6e | 1604 | } else if (dl_type == htons(ETH_TYPE_IP) && |
0e612675 FL |
1605 | f->nw_proto == IPPROTO_IGMP) { |
1606 | format_be16_masked(s, "igmp_type", f->tp_src, wc->masks.tp_src); | |
1607 | format_be16_masked(s, "igmp_code", f->tp_dst, wc->masks.tp_dst); | |
3d4b2e6e | 1608 | } else if (dl_type == htons(ETH_TYPE_IPV6) && |
19564d20 | 1609 | f->nw_proto == IPPROTO_ICMPV6) { |
81a76618 BP |
1610 | format_be16_masked(s, "icmp_type", f->tp_src, wc->masks.tp_src); |
1611 | format_be16_masked(s, "icmp_code", f->tp_dst, wc->masks.tp_dst); | |
1612 | format_ipv6_netmask(s, "nd_target", &f->nd_target, | |
1613 | &wc->masks.nd_target); | |
1614 | format_eth_masked(s, "nd_sll", f->arp_sha, wc->masks.arp_sha); | |
1615 | format_eth_masked(s, "nd_tll", f->arp_tha, wc->masks.arp_tha); | |
1f6d8197 | 1616 | } else { |
81a76618 BP |
1617 | format_be16_masked(s, "tp_src", f->tp_src, wc->masks.tp_src); |
1618 | format_be16_masked(s, "tp_dst", f->tp_dst, wc->masks.tp_dst); | |
1619 | } | |
dc235f7f | 1620 | if (is_ip_any(f) && f->nw_proto == IPPROTO_TCP && wc->masks.tcp_flags) { |
8e4c1621 JG |
1621 | format_flags_masked(s, "tcp_flags", packet_tcp_flag_to_string, |
1622 | ntohs(f->tcp_flags), TCP_FLAGS(wc->masks.tcp_flags), | |
1623 | TCP_FLAGS(OVS_BE16_MAX)); | |
dc235f7f | 1624 | } |
81a76618 | 1625 | |
41f562be SH |
1626 | if (s->length > start_len) { |
1627 | ds_chomp(s, ','); | |
81a76618 BP |
1628 | } |
1629 | } | |
1630 | ||
1631 | /* Converts 'match' to a string and returns the string. If 'priority' is | |
50f96b10 BP |
1632 | * different from OFP_DEFAULT_PRIORITY, includes it in the string. If |
1633 | * 'port_map' is nonnull, uses it to translate port numbers to names in | |
1634 | * output. The caller must free the string (with free()). */ | |
81a76618 | 1635 | char * |
50f96b10 BP |
1636 | match_to_string(const struct match *match, |
1637 | const struct ofputil_port_map *port_map, int priority) | |
81a76618 BP |
1638 | { |
1639 | struct ds s = DS_EMPTY_INITIALIZER; | |
50f96b10 | 1640 | match_format(match, port_map, &s, priority); |
81a76618 BP |
1641 | return ds_steal_cstr(&s); |
1642 | } | |
1643 | ||
1644 | void | |
50f96b10 BP |
1645 | match_print(const struct match *match, |
1646 | const struct ofputil_port_map *port_map) | |
81a76618 | 1647 | { |
50f96b10 | 1648 | char *s = match_to_string(match, port_map, OFP_DEFAULT_PRIORITY); |
81a76618 BP |
1649 | puts(s); |
1650 | free(s); | |
1651 | } | |
5cb7a798 BP |
1652 | \f |
1653 | /* Initializes 'dst' as a copy of 'src'. The caller must eventually free 'dst' | |
1654 | * with minimatch_destroy(). */ | |
1655 | void | |
1656 | minimatch_init(struct minimatch *dst, const struct match *src) | |
1657 | { | |
ceb3bd67 JR |
1658 | struct miniflow tmp; |
1659 | ||
1660 | miniflow_map_init(&tmp, &src->wc.masks); | |
1661 | /* Allocate two consecutive miniflows. */ | |
1662 | miniflow_alloc(dst->flows, 2, &tmp); | |
1663 | miniflow_init(dst->flow, &src->flow); | |
1664 | minimask_init(dst->mask, &src->wc); | |
5cb7a798 BP |
1665 | } |
1666 | ||
1667 | /* Initializes 'dst' as a copy of 'src'. The caller must eventually free 'dst' | |
1668 | * with minimatch_destroy(). */ | |
1669 | void | |
1670 | minimatch_clone(struct minimatch *dst, const struct minimatch *src) | |
1671 | { | |
ceb3bd67 JR |
1672 | /* Allocate two consecutive miniflows. */ |
1673 | size_t data_size = miniflow_alloc(dst->flows, 2, &src->mask->masks); | |
1674 | ||
09b0fa9c JR |
1675 | memcpy(miniflow_values(dst->flow), |
1676 | miniflow_get_values(src->flow), data_size); | |
1677 | memcpy(miniflow_values(&dst->mask->masks), | |
1678 | miniflow_get_values(&src->mask->masks), data_size); | |
5cb7a798 BP |
1679 | } |
1680 | ||
b2c1f00b BP |
1681 | /* Initializes 'dst' with the data in 'src', destroying 'src'. The caller must |
1682 | * eventually free 'dst' with minimatch_destroy(). */ | |
1683 | void | |
1684 | minimatch_move(struct minimatch *dst, struct minimatch *src) | |
1685 | { | |
8fd47924 JR |
1686 | dst->flow = src->flow; |
1687 | dst->mask = src->mask; | |
b2c1f00b BP |
1688 | } |
1689 | ||
5cb7a798 BP |
1690 | /* Frees any memory owned by 'match'. Does not free the storage in which |
1691 | * 'match' itself resides; the caller is responsible for that. */ | |
1692 | void | |
1693 | minimatch_destroy(struct minimatch *match) | |
1694 | { | |
8fd47924 | 1695 | free(match->flow); |
5cb7a798 BP |
1696 | } |
1697 | ||
1698 | /* Initializes 'dst' as a copy of 'src'. */ | |
1699 | void | |
1700 | minimatch_expand(const struct minimatch *src, struct match *dst) | |
1701 | { | |
8fd47924 JR |
1702 | miniflow_expand(src->flow, &dst->flow); |
1703 | minimask_expand(src->mask, &dst->wc); | |
9558d2a5 | 1704 | memset(&dst->tun_md, 0, sizeof dst->tun_md); |
5cb7a798 BP |
1705 | } |
1706 | ||
1707 | /* Returns true if 'a' and 'b' match the same packets, false otherwise. */ | |
1708 | bool | |
1709 | minimatch_equal(const struct minimatch *a, const struct minimatch *b) | |
1710 | { | |
8fd47924 JR |
1711 | return minimask_equal(a->mask, b->mask) |
1712 | && miniflow_equal(a->flow, b->flow); | |
5cb7a798 BP |
1713 | } |
1714 | ||
df40c152 BP |
1715 | /* Returns true if 'target' satisifies 'match', that is, if each bit for which |
1716 | * 'match' specifies a particular value has the correct value in 'target'. | |
1717 | * | |
1718 | * This function is equivalent to miniflow_equal_flow_in_minimask(&match->flow, | |
1719 | * target, &match->mask) but it is faster because of the invariant that | |
1720 | * match->flow.map and match->mask.map are the same. */ | |
1721 | bool | |
1722 | minimatch_matches_flow(const struct minimatch *match, | |
1723 | const struct flow *target) | |
1724 | { | |
09b0fa9c JR |
1725 | const uint64_t *flowp = miniflow_get_values(match->flow); |
1726 | const uint64_t *maskp = miniflow_get_values(&match->mask->masks); | |
361d808d | 1727 | size_t idx; |
df40c152 | 1728 | |
5fcff47b JR |
1729 | FLOWMAP_FOR_EACH_INDEX(idx, match->flow->map) { |
1730 | if ((*flowp++ ^ flow_u64_value(target, idx)) & *maskp++) { | |
080e28d0 | 1731 | return false; |
df40c152 | 1732 | } |
df40c152 BP |
1733 | } |
1734 | ||
1735 | return true; | |
1736 | } | |
1737 | ||
5cb7a798 | 1738 | /* Appends a string representation of 'match' to 's'. If 'priority' is |
50f96b10 BP |
1739 | * different from OFP_DEFAULT_PRIORITY, includes it in 's'. If 'port_map' is |
1740 | * nonnull, uses it to translate port numbers to names in output. */ | |
5cb7a798 | 1741 | void |
8d8ab6c2 | 1742 | minimatch_format(const struct minimatch *match, |
50f96b10 BP |
1743 | const struct tun_table *tun_table, |
1744 | const struct ofputil_port_map *port_map, | |
1745 | struct ds *s, int priority) | |
5cb7a798 BP |
1746 | { |
1747 | struct match megamatch; | |
1748 | ||
1749 | minimatch_expand(match, &megamatch); | |
8d8ab6c2 JG |
1750 | megamatch.flow.tunnel.metadata.tab = tun_table; |
1751 | ||
50f96b10 | 1752 | match_format(&megamatch, port_map, s, priority); |
5cb7a798 BP |
1753 | } |
1754 | ||
1755 | /* Converts 'match' to a string and returns the string. If 'priority' is | |
1756 | * different from OFP_DEFAULT_PRIORITY, includes it in the string. The caller | |
50f96b10 BP |
1757 | * must free the string (with free()). If 'port_map' is nonnull, uses it to |
1758 | * translate port numbers to names in output. */ | |
5cb7a798 | 1759 | char * |
50f96b10 BP |
1760 | minimatch_to_string(const struct minimatch *match, |
1761 | const struct ofputil_port_map *port_map, int priority) | |
5cb7a798 BP |
1762 | { |
1763 | struct match megamatch; | |
1764 | ||
1765 | minimatch_expand(match, &megamatch); | |
50f96b10 | 1766 | return match_to_string(&megamatch, port_map, priority); |
5cb7a798 | 1767 | } |