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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_PKT_CLS_H
3#define __LINUX_PKT_CLS_H
4
5#include <linux/types.h>
6#include <linux/pkt_sched.h>
7
8#define TC_COOKIE_MAX_SIZE 16
9
10/* Action attributes */
11enum {
12 TCA_ACT_UNSPEC,
13 TCA_ACT_KIND,
14 TCA_ACT_OPTIONS,
15 TCA_ACT_INDEX,
16 TCA_ACT_STATS,
17 TCA_ACT_PAD,
18 TCA_ACT_COOKIE,
19 __TCA_ACT_MAX
20};
21
22#define TCA_ACT_MAX __TCA_ACT_MAX
23#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
24#define TCA_ACT_MAX_PRIO 32
25#define TCA_ACT_BIND 1
26#define TCA_ACT_NOBIND 0
27#define TCA_ACT_UNBIND 1
28#define TCA_ACT_NOUNBIND 0
29#define TCA_ACT_REPLACE 1
30#define TCA_ACT_NOREPLACE 0
31
32#define TC_ACT_UNSPEC (-1)
33#define TC_ACT_OK 0
34#define TC_ACT_RECLASSIFY 1
35#define TC_ACT_SHOT 2
36#define TC_ACT_PIPE 3
37#define TC_ACT_STOLEN 4
38#define TC_ACT_QUEUED 5
39#define TC_ACT_REPEAT 6
40#define TC_ACT_REDIRECT 7
41#define TC_ACT_TRAP 8 /* For hw path, this means "trap to cpu"
42 * and don't further process the frame
43 * in hardware. For sw path, this is
44 * equivalent of TC_ACT_STOLEN - drop
45 * the skb and act like everything
46 * is alright.
47 */
48#define TC_ACT_VALUE_MAX TC_ACT_TRAP
49
50/* There is a special kind of actions called "extended actions",
51 * which need a value parameter. These have a local opcode located in
52 * the highest nibble, starting from 1. The rest of the bits
53 * are used to carry the value. These two parts together make
54 * a combined opcode.
55 */
56#define __TC_ACT_EXT_SHIFT 28
57#define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT)
58#define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1)
59#define TC_ACT_EXT_OPCODE(combined) ((combined) & (~TC_ACT_EXT_VAL_MASK))
60#define TC_ACT_EXT_CMP(combined, opcode) (TC_ACT_EXT_OPCODE(combined) == opcode)
61
62#define TC_ACT_JUMP __TC_ACT_EXT(1)
63#define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2)
64#define TC_ACT_EXT_OPCODE_MAX TC_ACT_GOTO_CHAIN
65
66/* Action type identifiers*/
67enum {
68 TCA_ID_UNSPEC=0,
69 TCA_ID_POLICE=1,
70 /* other actions go here */
71 __TCA_ID_MAX=255
72};
73
74#define TCA_ID_MAX __TCA_ID_MAX
75
76struct tc_police {
77 __u32 index;
78 int action;
79#define TC_POLICE_UNSPEC TC_ACT_UNSPEC
80#define TC_POLICE_OK TC_ACT_OK
81#define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
82#define TC_POLICE_SHOT TC_ACT_SHOT
83#define TC_POLICE_PIPE TC_ACT_PIPE
84
85 __u32 limit;
86 __u32 burst;
87 __u32 mtu;
88 struct tc_ratespec rate;
89 struct tc_ratespec peakrate;
90 int refcnt;
91 int bindcnt;
92 __u32 capab;
93};
94
95struct tcf_t {
96 __u64 install;
97 __u64 lastuse;
98 __u64 expires;
99 __u64 firstuse;
100};
101
102struct tc_cnt {
103 int refcnt;
104 int bindcnt;
105};
106
107#define tc_gen \
108 __u32 index; \
109 __u32 capab; \
110 int action; \
111 int refcnt; \
112 int bindcnt
113
114enum {
115 TCA_POLICE_UNSPEC,
116 TCA_POLICE_TBF,
117 TCA_POLICE_RATE,
118 TCA_POLICE_PEAKRATE,
119 TCA_POLICE_AVRATE,
120 TCA_POLICE_RESULT,
121 TCA_POLICE_TM,
122 TCA_POLICE_PAD,
123 __TCA_POLICE_MAX
124#define TCA_POLICE_RESULT TCA_POLICE_RESULT
125};
126
127#define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
128
129/* tca flags definitions */
130#define TCA_CLS_FLAGS_SKIP_HW (1 << 0) /* don't offload filter to HW */
131#define TCA_CLS_FLAGS_SKIP_SW (1 << 1) /* don't use filter in SW */
132#define TCA_CLS_FLAGS_IN_HW (1 << 2) /* filter is offloaded to HW */
133#define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */
134#define TCA_CLS_FLAGS_VERBOSE (1 << 4) /* verbose logging */
135
136/* U32 filters */
137
138#define TC_U32_HTID(h) ((h)&0xFFF00000)
139#define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
140#define TC_U32_HASH(h) (((h)>>12)&0xFF)
141#define TC_U32_NODE(h) ((h)&0xFFF)
142#define TC_U32_KEY(h) ((h)&0xFFFFF)
143#define TC_U32_UNSPEC 0
144#define TC_U32_ROOT (0xFFF00000)
145
146enum {
147 TCA_U32_UNSPEC,
148 TCA_U32_CLASSID,
149 TCA_U32_HASH,
150 TCA_U32_LINK,
151 TCA_U32_DIVISOR,
152 TCA_U32_SEL,
153 TCA_U32_POLICE,
154 TCA_U32_ACT,
155 TCA_U32_INDEV,
156 TCA_U32_PCNT,
157 TCA_U32_MARK,
158 TCA_U32_FLAGS,
159 TCA_U32_PAD,
160 __TCA_U32_MAX
161};
162
163#define TCA_U32_MAX (__TCA_U32_MAX - 1)
164
165struct tc_u32_key {
166 __be32 mask;
167 __be32 val;
168 int off;
169 int offmask;
170};
171
172struct tc_u32_sel {
173 unsigned char flags;
174 unsigned char offshift;
175 unsigned char nkeys;
176
177 __be16 offmask;
178 __u16 off;
179 short offoff;
180
181 short hoff;
182 __be32 hmask;
183 struct tc_u32_key keys[];
184};
185
186struct tc_u32_mark {
187 __u32 val;
188 __u32 mask;
189 __u32 success;
190};
191
192struct tc_u32_pcnt {
193 __u64 rcnt;
194 __u64 rhit;
195 __u64 kcnts[];
196};
197
198/* Flags */
199
200#define TC_U32_TERMINAL 1
201#define TC_U32_OFFSET 2
202#define TC_U32_VAROFFSET 4
203#define TC_U32_EAT 8
204
205#define TC_U32_MAXDEPTH 8
206
207/* ROUTE filter */
208
209enum {
210 TCA_ROUTE4_UNSPEC,
211 TCA_ROUTE4_CLASSID,
212 TCA_ROUTE4_TO,
213 TCA_ROUTE4_FROM,
214 TCA_ROUTE4_IIF,
215 TCA_ROUTE4_POLICE,
216 TCA_ROUTE4_ACT,
217 __TCA_ROUTE4_MAX
218};
219
220#define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
221
222
223/* FW filter */
224
225enum {
226 TCA_FW_UNSPEC,
227 TCA_FW_CLASSID,
228 TCA_FW_POLICE,
229 TCA_FW_INDEV,
230 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
231 TCA_FW_MASK,
232 __TCA_FW_MAX
233};
234
235#define TCA_FW_MAX (__TCA_FW_MAX - 1)
236
237/* Flow filter */
238
239enum {
240 FLOW_KEY_SRC,
241 FLOW_KEY_DST,
242 FLOW_KEY_PROTO,
243 FLOW_KEY_PROTO_SRC,
244 FLOW_KEY_PROTO_DST,
245 FLOW_KEY_IIF,
246 FLOW_KEY_PRIORITY,
247 FLOW_KEY_MARK,
248 FLOW_KEY_NFCT,
249 FLOW_KEY_NFCT_SRC,
250 FLOW_KEY_NFCT_DST,
251 FLOW_KEY_NFCT_PROTO_SRC,
252 FLOW_KEY_NFCT_PROTO_DST,
253 FLOW_KEY_RTCLASSID,
254 FLOW_KEY_SKUID,
255 FLOW_KEY_SKGID,
256 FLOW_KEY_VLAN_TAG,
257 FLOW_KEY_RXHASH,
258 __FLOW_KEY_MAX,
259};
260
261#define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
262
263enum {
264 FLOW_MODE_MAP,
265 FLOW_MODE_HASH,
266};
267
268enum {
269 TCA_FLOW_UNSPEC,
270 TCA_FLOW_KEYS,
271 TCA_FLOW_MODE,
272 TCA_FLOW_BASECLASS,
273 TCA_FLOW_RSHIFT,
274 TCA_FLOW_ADDEND,
275 TCA_FLOW_MASK,
276 TCA_FLOW_XOR,
277 TCA_FLOW_DIVISOR,
278 TCA_FLOW_ACT,
279 TCA_FLOW_POLICE,
280 TCA_FLOW_EMATCHES,
281 TCA_FLOW_PERTURB,
282 __TCA_FLOW_MAX
283};
284
285#define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
286
287/* Basic filter */
288
289enum {
290 TCA_BASIC_UNSPEC,
291 TCA_BASIC_CLASSID,
292 TCA_BASIC_EMATCHES,
293 TCA_BASIC_ACT,
294 TCA_BASIC_POLICE,
295 __TCA_BASIC_MAX
296};
297
298#define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
299
300
301/* Cgroup classifier */
302
303enum {
304 TCA_CGROUP_UNSPEC,
305 TCA_CGROUP_ACT,
306 TCA_CGROUP_POLICE,
307 TCA_CGROUP_EMATCHES,
308 __TCA_CGROUP_MAX,
309};
310
311#define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
312
313/* BPF classifier */
314
315#define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
316
317enum {
318 TCA_BPF_UNSPEC,
319 TCA_BPF_ACT,
320 TCA_BPF_POLICE,
321 TCA_BPF_CLASSID,
322 TCA_BPF_OPS_LEN,
323 TCA_BPF_OPS,
324 TCA_BPF_FD,
325 TCA_BPF_NAME,
326 TCA_BPF_FLAGS,
327 TCA_BPF_FLAGS_GEN,
328 TCA_BPF_TAG,
329 TCA_BPF_ID,
330 __TCA_BPF_MAX,
331};
332
333#define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
334
335/* Flower classifier */
336
337enum {
338 TCA_FLOWER_UNSPEC,
339 TCA_FLOWER_CLASSID,
340 TCA_FLOWER_INDEV,
341 TCA_FLOWER_ACT,
342 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
343 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
344 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
345 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
346 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
347 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
348 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
349 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
350 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
351 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
352 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
353 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
354 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
355 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
356 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
357 TCA_FLOWER_KEY_TCP_DST, /* be16 */
358 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
359 TCA_FLOWER_KEY_UDP_DST, /* be16 */
360
361 TCA_FLOWER_FLAGS,
362 TCA_FLOWER_KEY_VLAN_ID, /* be16 */
363 TCA_FLOWER_KEY_VLAN_PRIO, /* u8 */
364 TCA_FLOWER_KEY_VLAN_ETH_TYPE, /* be16 */
365
366 TCA_FLOWER_KEY_ENC_KEY_ID, /* be32 */
367 TCA_FLOWER_KEY_ENC_IPV4_SRC, /* be32 */
368 TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
369 TCA_FLOWER_KEY_ENC_IPV4_DST, /* be32 */
370 TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
371 TCA_FLOWER_KEY_ENC_IPV6_SRC, /* struct in6_addr */
372 TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
373 TCA_FLOWER_KEY_ENC_IPV6_DST, /* struct in6_addr */
374 TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
375
376 TCA_FLOWER_KEY_TCP_SRC_MASK, /* be16 */
377 TCA_FLOWER_KEY_TCP_DST_MASK, /* be16 */
378 TCA_FLOWER_KEY_UDP_SRC_MASK, /* be16 */
379 TCA_FLOWER_KEY_UDP_DST_MASK, /* be16 */
380 TCA_FLOWER_KEY_SCTP_SRC_MASK, /* be16 */
381 TCA_FLOWER_KEY_SCTP_DST_MASK, /* be16 */
382
383 TCA_FLOWER_KEY_SCTP_SRC, /* be16 */
384 TCA_FLOWER_KEY_SCTP_DST, /* be16 */
385
386 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT, /* be16 */
387 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, /* be16 */
388 TCA_FLOWER_KEY_ENC_UDP_DST_PORT, /* be16 */
389 TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, /* be16 */
390
391 TCA_FLOWER_KEY_FLAGS, /* be32 */
392 TCA_FLOWER_KEY_FLAGS_MASK, /* be32 */
393
394 TCA_FLOWER_KEY_ICMPV4_CODE, /* u8 */
395 TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */
396 TCA_FLOWER_KEY_ICMPV4_TYPE, /* u8 */
397 TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */
398 TCA_FLOWER_KEY_ICMPV6_CODE, /* u8 */
399 TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */
400 TCA_FLOWER_KEY_ICMPV6_TYPE, /* u8 */
401 TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */
402
403 TCA_FLOWER_KEY_ARP_SIP, /* be32 */
404 TCA_FLOWER_KEY_ARP_SIP_MASK, /* be32 */
405 TCA_FLOWER_KEY_ARP_TIP, /* be32 */
406 TCA_FLOWER_KEY_ARP_TIP_MASK, /* be32 */
407 TCA_FLOWER_KEY_ARP_OP, /* u8 */
408 TCA_FLOWER_KEY_ARP_OP_MASK, /* u8 */
409 TCA_FLOWER_KEY_ARP_SHA, /* ETH_ALEN */
410 TCA_FLOWER_KEY_ARP_SHA_MASK, /* ETH_ALEN */
411 TCA_FLOWER_KEY_ARP_THA, /* ETH_ALEN */
412 TCA_FLOWER_KEY_ARP_THA_MASK, /* ETH_ALEN */
413
414 TCA_FLOWER_KEY_MPLS_TTL, /* u8 - 8 bits */
415 TCA_FLOWER_KEY_MPLS_BOS, /* u8 - 1 bit */
416 TCA_FLOWER_KEY_MPLS_TC, /* u8 - 3 bits */
417 TCA_FLOWER_KEY_MPLS_LABEL, /* be32 - 20 bits */
418
419 TCA_FLOWER_KEY_TCP_FLAGS, /* be16 */
420 TCA_FLOWER_KEY_TCP_FLAGS_MASK, /* be16 */
421
422 TCA_FLOWER_KEY_IP_TOS, /* u8 */
423 TCA_FLOWER_KEY_IP_TOS_MASK, /* u8 */
424 TCA_FLOWER_KEY_IP_TTL, /* u8 */
425 TCA_FLOWER_KEY_IP_TTL_MASK, /* u8 */
426
427 TCA_FLOWER_KEY_CVLAN_ID, /* be16 */
428 TCA_FLOWER_KEY_CVLAN_PRIO, /* u8 */
429 TCA_FLOWER_KEY_CVLAN_ETH_TYPE, /* be16 */
430
431 TCA_FLOWER_KEY_ENC_IP_TOS, /* u8 */
432 TCA_FLOWER_KEY_ENC_IP_TOS_MASK, /* u8 */
433 TCA_FLOWER_KEY_ENC_IP_TTL, /* u8 */
434 TCA_FLOWER_KEY_ENC_IP_TTL_MASK, /* u8 */
435
436 TCA_FLOWER_KEY_ENC_OPTS,
437 TCA_FLOWER_KEY_ENC_OPTS_MASK,
438
439 TCA_FLOWER_IN_HW_COUNT,
440
441 __TCA_FLOWER_MAX,
442};
443
444#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
445
446enum {
447 TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,
448 TCA_FLOWER_KEY_ENC_OPTS_GENEVE, /* Nested
449 * TCA_FLOWER_KEY_ENC_OPT_GENEVE_
450 * attributes
451 */
452 __TCA_FLOWER_KEY_ENC_OPTS_MAX,
453};
454
455#define TCA_FLOWER_KEY_ENC_OPTS_MAX (__TCA_FLOWER_KEY_ENC_OPTS_MAX - 1)
456
457enum {
458 TCA_FLOWER_KEY_ENC_OPT_GENEVE_UNSPEC,
459 TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS, /* u16 */
460 TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE, /* u8 */
461 TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA, /* 4 to 128 bytes */
462
463 __TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX,
464};
465
466#define TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX \
467 (__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX - 1)
468
469enum {
470 TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
471 TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
472};
473
474/* Match-all classifier */
475
476enum {
477 TCA_MATCHALL_UNSPEC,
478 TCA_MATCHALL_CLASSID,
479 TCA_MATCHALL_ACT,
480 TCA_MATCHALL_FLAGS,
481 __TCA_MATCHALL_MAX,
482};
483
484#define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
485
486/* Extended Matches */
487
488struct tcf_ematch_tree_hdr {
489 __u16 nmatches;
490 __u16 progid;
491};
492
493enum {
494 TCA_EMATCH_TREE_UNSPEC,
495 TCA_EMATCH_TREE_HDR,
496 TCA_EMATCH_TREE_LIST,
497 __TCA_EMATCH_TREE_MAX
498};
499#define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
500
501struct tcf_ematch_hdr {
502 __u16 matchid;
503 __u16 kind;
504 __u16 flags;
505 __u16 pad; /* currently unused */
506};
507
508/* 0 1
509 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
510 * +-----------------------+-+-+---+
511 * | Unused |S|I| R |
512 * +-----------------------+-+-+---+
513 *
514 * R(2) ::= relation to next ematch
515 * where: 0 0 END (last ematch)
516 * 0 1 AND
517 * 1 0 OR
518 * 1 1 Unused (invalid)
519 * I(1) ::= invert result
520 * S(1) ::= simple payload
521 */
522#define TCF_EM_REL_END 0
523#define TCF_EM_REL_AND (1<<0)
524#define TCF_EM_REL_OR (1<<1)
525#define TCF_EM_INVERT (1<<2)
526#define TCF_EM_SIMPLE (1<<3)
527
528#define TCF_EM_REL_MASK 3
529#define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
530
531enum {
532 TCF_LAYER_LINK,
533 TCF_LAYER_NETWORK,
534 TCF_LAYER_TRANSPORT,
535 __TCF_LAYER_MAX
536};
537#define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
538
539/* Ematch type assignments
540 * 1..32767 Reserved for ematches inside kernel tree
541 * 32768..65535 Free to use, not reliable
542 */
543#define TCF_EM_CONTAINER 0
544#define TCF_EM_CMP 1
545#define TCF_EM_NBYTE 2
546#define TCF_EM_U32 3
547#define TCF_EM_META 4
548#define TCF_EM_TEXT 5
549#define TCF_EM_VLAN 6
550#define TCF_EM_CANID 7
551#define TCF_EM_IPSET 8
552#define TCF_EM_IPT 9
553#define TCF_EM_MAX 9
554
555enum {
556 TCF_EM_PROG_TC
557};
558
559enum {
560 TCF_EM_OPND_EQ,
561 TCF_EM_OPND_GT,
562 TCF_EM_OPND_LT
563};
564
565#endif
566

Warning: This file is not a C or C++ file. It does not have highlighting.

source code of linux/tools/include/uapi/linux/pkt_cls.h