Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
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linux
1#ifndef __LINUX_PKT_CLS_H
2#define __LINUX_PKT_CLS_H
3
4#include <linux/types.h>
5#include <linux/pkt_sched.h>
6
7#define TC_COOKIE_MAX_SIZE 16
8
9/* Action attributes */
10enum {
11 TCA_ACT_UNSPEC,
12 TCA_ACT_KIND,
13 TCA_ACT_OPTIONS,
14 TCA_ACT_INDEX,
15 TCA_ACT_STATS,
16 TCA_ACT_PAD,
17 TCA_ACT_COOKIE,
18 __TCA_ACT_MAX
19};
20
21#define TCA_ACT_MAX __TCA_ACT_MAX
22#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
23#define TCA_ACT_MAX_PRIO 32
24#define TCA_ACT_BIND 1
25#define TCA_ACT_NOBIND 0
26#define TCA_ACT_UNBIND 1
27#define TCA_ACT_NOUNBIND 0
28#define TCA_ACT_REPLACE 1
29#define TCA_ACT_NOREPLACE 0
30
31#define TC_ACT_UNSPEC (-1)
32#define TC_ACT_OK 0
33#define TC_ACT_RECLASSIFY 1
34#define TC_ACT_SHOT 2
35#define TC_ACT_PIPE 3
36#define TC_ACT_STOLEN 4
37#define TC_ACT_QUEUED 5
38#define TC_ACT_REPEAT 6
39#define TC_ACT_REDIRECT 7
40#define TC_ACT_TRAP 8 /* For hw path, this means "trap to cpu"
41 * and don't further process the frame
42 * in hardware. For sw path, this is
43 * equivalent of TC_ACT_STOLEN - drop
44 * the skb and act like everything
45 * is alright.
46 */
47
48/* There is a special kind of actions called "extended actions",
49 * which need a value parameter. These have a local opcode located in
50 * the highest nibble, starting from 1. The rest of the bits
51 * are used to carry the value. These two parts together make
52 * a combined opcode.
53 */
54#define __TC_ACT_EXT_SHIFT 28
55#define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT)
56#define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1)
57#define TC_ACT_EXT_CMP(combined, opcode) \
58 (((combined) & (~TC_ACT_EXT_VAL_MASK)) == opcode)
59
60#define TC_ACT_JUMP __TC_ACT_EXT(1)
61#define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2)
62
63/* Action type identifiers*/
64enum {
65 TCA_ID_UNSPEC=0,
66 TCA_ID_POLICE=1,
67 /* other actions go here */
68 __TCA_ID_MAX=255
69};
70
71#define TCA_ID_MAX __TCA_ID_MAX
72
73struct tc_police {
74 __u32 index;
75 int action;
76#define TC_POLICE_UNSPEC TC_ACT_UNSPEC
77#define TC_POLICE_OK TC_ACT_OK
78#define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
79#define TC_POLICE_SHOT TC_ACT_SHOT
80#define TC_POLICE_PIPE TC_ACT_PIPE
81
82 __u32 limit;
83 __u32 burst;
84 __u32 mtu;
85 struct tc_ratespec rate;
86 struct tc_ratespec peakrate;
87 int refcnt;
88 int bindcnt;
89 __u32 capab;
90};
91
92struct tcf_t {
93 __u64 install;
94 __u64 lastuse;
95 __u64 expires;
96 __u64 firstuse;
97};
98
99struct tc_cnt {
100 int refcnt;
101 int bindcnt;
102};
103
104#define tc_gen \
105 __u32 index; \
106 __u32 capab; \
107 int action; \
108 int refcnt; \
109 int bindcnt
110
111enum {
112 TCA_POLICE_UNSPEC,
113 TCA_POLICE_TBF,
114 TCA_POLICE_RATE,
115 TCA_POLICE_PEAKRATE,
116 TCA_POLICE_AVRATE,
117 TCA_POLICE_RESULT,
118 TCA_POLICE_TM,
119 TCA_POLICE_PAD,
120 __TCA_POLICE_MAX
121#define TCA_POLICE_RESULT TCA_POLICE_RESULT
122};
123
124#define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
125
126/* tca flags definitions */
127#define TCA_CLS_FLAGS_SKIP_HW (1 << 0) /* don't offload filter to HW */
128#define TCA_CLS_FLAGS_SKIP_SW (1 << 1) /* don't use filter in SW */
129#define TCA_CLS_FLAGS_IN_HW (1 << 2) /* filter is offloaded to HW */
130#define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */
131
132/* U32 filters */
133
134#define TC_U32_HTID(h) ((h)&0xFFF00000)
135#define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
136#define TC_U32_HASH(h) (((h)>>12)&0xFF)
137#define TC_U32_NODE(h) ((h)&0xFFF)
138#define TC_U32_KEY(h) ((h)&0xFFFFF)
139#define TC_U32_UNSPEC 0
140#define TC_U32_ROOT (0xFFF00000)
141
142enum {
143 TCA_U32_UNSPEC,
144 TCA_U32_CLASSID,
145 TCA_U32_HASH,
146 TCA_U32_LINK,
147 TCA_U32_DIVISOR,
148 TCA_U32_SEL,
149 TCA_U32_POLICE,
150 TCA_U32_ACT,
151 TCA_U32_INDEV,
152 TCA_U32_PCNT,
153 TCA_U32_MARK,
154 TCA_U32_FLAGS,
155 TCA_U32_PAD,
156 __TCA_U32_MAX
157};
158
159#define TCA_U32_MAX (__TCA_U32_MAX - 1)
160
161struct tc_u32_key {
162 __be32 mask;
163 __be32 val;
164 int off;
165 int offmask;
166};
167
168struct tc_u32_sel {
169 unsigned char flags;
170 unsigned char offshift;
171 unsigned char nkeys;
172
173 __be16 offmask;
174 __u16 off;
175 short offoff;
176
177 short hoff;
178 __be32 hmask;
179 struct tc_u32_key keys[0];
180};
181
182struct tc_u32_mark {
183 __u32 val;
184 __u32 mask;
185 __u32 success;
186};
187
188struct tc_u32_pcnt {
189 __u64 rcnt;
190 __u64 rhit;
191 __u64 kcnts[0];
192};
193
194/* Flags */
195
196#define TC_U32_TERMINAL 1
197#define TC_U32_OFFSET 2
198#define TC_U32_VAROFFSET 4
199#define TC_U32_EAT 8
200
201#define TC_U32_MAXDEPTH 8
202
203
204/* RSVP filter */
205
206enum {
207 TCA_RSVP_UNSPEC,
208 TCA_RSVP_CLASSID,
209 TCA_RSVP_DST,
210 TCA_RSVP_SRC,
211 TCA_RSVP_PINFO,
212 TCA_RSVP_POLICE,
213 TCA_RSVP_ACT,
214 __TCA_RSVP_MAX
215};
216
217#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
218
219struct tc_rsvp_gpi {
220 __u32 key;
221 __u32 mask;
222 int offset;
223};
224
225struct tc_rsvp_pinfo {
226 struct tc_rsvp_gpi dpi;
227 struct tc_rsvp_gpi spi;
228 __u8 protocol;
229 __u8 tunnelid;
230 __u8 tunnelhdr;
231 __u8 pad;
232};
233
234/* ROUTE filter */
235
236enum {
237 TCA_ROUTE4_UNSPEC,
238 TCA_ROUTE4_CLASSID,
239 TCA_ROUTE4_TO,
240 TCA_ROUTE4_FROM,
241 TCA_ROUTE4_IIF,
242 TCA_ROUTE4_POLICE,
243 TCA_ROUTE4_ACT,
244 __TCA_ROUTE4_MAX
245};
246
247#define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
248
249
250/* FW filter */
251
252enum {
253 TCA_FW_UNSPEC,
254 TCA_FW_CLASSID,
255 TCA_FW_POLICE,
256 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
257 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
258 TCA_FW_MASK,
259 __TCA_FW_MAX
260};
261
262#define TCA_FW_MAX (__TCA_FW_MAX - 1)
263
264/* TC index filter */
265
266enum {
267 TCA_TCINDEX_UNSPEC,
268 TCA_TCINDEX_HASH,
269 TCA_TCINDEX_MASK,
270 TCA_TCINDEX_SHIFT,
271 TCA_TCINDEX_FALL_THROUGH,
272 TCA_TCINDEX_CLASSID,
273 TCA_TCINDEX_POLICE,
274 TCA_TCINDEX_ACT,
275 __TCA_TCINDEX_MAX
276};
277
278#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
279
280/* Flow filter */
281
282enum {
283 FLOW_KEY_SRC,
284 FLOW_KEY_DST,
285 FLOW_KEY_PROTO,
286 FLOW_KEY_PROTO_SRC,
287 FLOW_KEY_PROTO_DST,
288 FLOW_KEY_IIF,
289 FLOW_KEY_PRIORITY,
290 FLOW_KEY_MARK,
291 FLOW_KEY_NFCT,
292 FLOW_KEY_NFCT_SRC,
293 FLOW_KEY_NFCT_DST,
294 FLOW_KEY_NFCT_PROTO_SRC,
295 FLOW_KEY_NFCT_PROTO_DST,
296 FLOW_KEY_RTCLASSID,
297 FLOW_KEY_SKUID,
298 FLOW_KEY_SKGID,
299 FLOW_KEY_VLAN_TAG,
300 FLOW_KEY_RXHASH,
301 __FLOW_KEY_MAX,
302};
303
304#define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
305
306enum {
307 FLOW_MODE_MAP,
308 FLOW_MODE_HASH,
309};
310
311enum {
312 TCA_FLOW_UNSPEC,
313 TCA_FLOW_KEYS,
314 TCA_FLOW_MODE,
315 TCA_FLOW_BASECLASS,
316 TCA_FLOW_RSHIFT,
317 TCA_FLOW_ADDEND,
318 TCA_FLOW_MASK,
319 TCA_FLOW_XOR,
320 TCA_FLOW_DIVISOR,
321 TCA_FLOW_ACT,
322 TCA_FLOW_POLICE,
323 TCA_FLOW_EMATCHES,
324 TCA_FLOW_PERTURB,
325 __TCA_FLOW_MAX
326};
327
328#define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
329
330/* Basic filter */
331
332enum {
333 TCA_BASIC_UNSPEC,
334 TCA_BASIC_CLASSID,
335 TCA_BASIC_EMATCHES,
336 TCA_BASIC_ACT,
337 TCA_BASIC_POLICE,
338 __TCA_BASIC_MAX
339};
340
341#define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
342
343
344/* Cgroup classifier */
345
346enum {
347 TCA_CGROUP_UNSPEC,
348 TCA_CGROUP_ACT,
349 TCA_CGROUP_POLICE,
350 TCA_CGROUP_EMATCHES,
351 __TCA_CGROUP_MAX,
352};
353
354#define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
355
356/* BPF classifier */
357
358#define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
359
360enum {
361 TCA_BPF_UNSPEC,
362 TCA_BPF_ACT,
363 TCA_BPF_POLICE,
364 TCA_BPF_CLASSID,
365 TCA_BPF_OPS_LEN,
366 TCA_BPF_OPS,
367 TCA_BPF_FD,
368 TCA_BPF_NAME,
369 TCA_BPF_FLAGS,
370 TCA_BPF_FLAGS_GEN,
371 TCA_BPF_TAG,
372 TCA_BPF_ID,
373 __TCA_BPF_MAX,
374};
375
376#define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
377
378/* Flower classifier */
379
380enum {
381 TCA_FLOWER_UNSPEC,
382 TCA_FLOWER_CLASSID,
383 TCA_FLOWER_INDEV,
384 TCA_FLOWER_ACT,
385 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
386 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
387 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
388 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
389 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
390 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
391 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
392 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
393 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
394 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
395 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
396 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
397 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
398 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
399 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
400 TCA_FLOWER_KEY_TCP_DST, /* be16 */
401 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
402 TCA_FLOWER_KEY_UDP_DST, /* be16 */
403
404 TCA_FLOWER_FLAGS,
405 TCA_FLOWER_KEY_VLAN_ID, /* be16 */
406 TCA_FLOWER_KEY_VLAN_PRIO, /* u8 */
407 TCA_FLOWER_KEY_VLAN_ETH_TYPE, /* be16 */
408
409 TCA_FLOWER_KEY_ENC_KEY_ID, /* be32 */
410 TCA_FLOWER_KEY_ENC_IPV4_SRC, /* be32 */
411 TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
412 TCA_FLOWER_KEY_ENC_IPV4_DST, /* be32 */
413 TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
414 TCA_FLOWER_KEY_ENC_IPV6_SRC, /* struct in6_addr */
415 TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
416 TCA_FLOWER_KEY_ENC_IPV6_DST, /* struct in6_addr */
417 TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
418
419 TCA_FLOWER_KEY_TCP_SRC_MASK, /* be16 */
420 TCA_FLOWER_KEY_TCP_DST_MASK, /* be16 */
421 TCA_FLOWER_KEY_UDP_SRC_MASK, /* be16 */
422 TCA_FLOWER_KEY_UDP_DST_MASK, /* be16 */
423 TCA_FLOWER_KEY_SCTP_SRC_MASK, /* be16 */
424 TCA_FLOWER_KEY_SCTP_DST_MASK, /* be16 */
425
426 TCA_FLOWER_KEY_SCTP_SRC, /* be16 */
427 TCA_FLOWER_KEY_SCTP_DST, /* be16 */
428
429 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT, /* be16 */
430 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, /* be16 */
431 TCA_FLOWER_KEY_ENC_UDP_DST_PORT, /* be16 */
432 TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, /* be16 */
433
434 TCA_FLOWER_KEY_FLAGS, /* be32 */
435 TCA_FLOWER_KEY_FLAGS_MASK, /* be32 */
436
437 TCA_FLOWER_KEY_ICMPV4_CODE, /* u8 */
438 TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */
439 TCA_FLOWER_KEY_ICMPV4_TYPE, /* u8 */
440 TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */
441 TCA_FLOWER_KEY_ICMPV6_CODE, /* u8 */
442 TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */
443 TCA_FLOWER_KEY_ICMPV6_TYPE, /* u8 */
444 TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */
445
446 TCA_FLOWER_KEY_ARP_SIP, /* be32 */
447 TCA_FLOWER_KEY_ARP_SIP_MASK, /* be32 */
448 TCA_FLOWER_KEY_ARP_TIP, /* be32 */
449 TCA_FLOWER_KEY_ARP_TIP_MASK, /* be32 */
450 TCA_FLOWER_KEY_ARP_OP, /* u8 */
451 TCA_FLOWER_KEY_ARP_OP_MASK, /* u8 */
452 TCA_FLOWER_KEY_ARP_SHA, /* ETH_ALEN */
453 TCA_FLOWER_KEY_ARP_SHA_MASK, /* ETH_ALEN */
454 TCA_FLOWER_KEY_ARP_THA, /* ETH_ALEN */
455 TCA_FLOWER_KEY_ARP_THA_MASK, /* ETH_ALEN */
456
457 TCA_FLOWER_KEY_MPLS_TTL, /* u8 - 8 bits */
458 TCA_FLOWER_KEY_MPLS_BOS, /* u8 - 1 bit */
459 TCA_FLOWER_KEY_MPLS_TC, /* u8 - 3 bits */
460 TCA_FLOWER_KEY_MPLS_LABEL, /* be32 - 20 bits */
461
462 TCA_FLOWER_KEY_TCP_FLAGS, /* be16 */
463 TCA_FLOWER_KEY_TCP_FLAGS_MASK, /* be16 */
464
465 TCA_FLOWER_KEY_IP_TOS, /* u8 */
466 TCA_FLOWER_KEY_IP_TOS_MASK, /* u8 */
467 TCA_FLOWER_KEY_IP_TTL, /* u8 */
468 TCA_FLOWER_KEY_IP_TTL_MASK, /* u8 */
469
470 __TCA_FLOWER_MAX,
471};
472
473#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
474
475enum {
476 TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
477};
478
479/* Match-all classifier */
480
481enum {
482 TCA_MATCHALL_UNSPEC,
483 TCA_MATCHALL_CLASSID,
484 TCA_MATCHALL_ACT,
485 TCA_MATCHALL_FLAGS,
486 __TCA_MATCHALL_MAX,
487};
488
489#define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
490
491/* Extended Matches */
492
493struct tcf_ematch_tree_hdr {
494 __u16 nmatches;
495 __u16 progid;
496};
497
498enum {
499 TCA_EMATCH_TREE_UNSPEC,
500 TCA_EMATCH_TREE_HDR,
501 TCA_EMATCH_TREE_LIST,
502 __TCA_EMATCH_TREE_MAX
503};
504#define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
505
506struct tcf_ematch_hdr {
507 __u16 matchid;
508 __u16 kind;
509 __u16 flags;
510 __u16 pad; /* currently unused */
511};
512
513/* 0 1
514 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
515 * +-----------------------+-+-+---+
516 * | Unused |S|I| R |
517 * +-----------------------+-+-+---+
518 *
519 * R(2) ::= relation to next ematch
520 * where: 0 0 END (last ematch)
521 * 0 1 AND
522 * 1 0 OR
523 * 1 1 Unused (invalid)
524 * I(1) ::= invert result
525 * S(1) ::= simple payload
526 */
527#define TCF_EM_REL_END 0
528#define TCF_EM_REL_AND (1<<0)
529#define TCF_EM_REL_OR (1<<1)
530#define TCF_EM_INVERT (1<<2)
531#define TCF_EM_SIMPLE (1<<3)
532
533#define TCF_EM_REL_MASK 3
534#define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
535
536enum {
537 TCF_LAYER_LINK,
538 TCF_LAYER_NETWORK,
539 TCF_LAYER_TRANSPORT,
540 __TCF_LAYER_MAX
541};
542#define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
543
544/* Ematch type assignments
545 * 1..32767 Reserved for ematches inside kernel tree
546 * 32768..65535 Free to use, not reliable
547 */
548#define TCF_EM_CONTAINER 0
549#define TCF_EM_CMP 1
550#define TCF_EM_NBYTE 2
551#define TCF_EM_U32 3
552#define TCF_EM_META 4
553#define TCF_EM_TEXT 5
554#define TCF_EM_VLAN 6
555#define TCF_EM_CANID 7
556#define TCF_EM_IPSET 8
557#define TCF_EM_MAX 8
558
559enum {
560 TCF_EM_PROG_TC
561};
562
563enum {
564 TCF_EM_OPND_EQ,
565 TCF_EM_OPND_GT,
566 TCF_EM_OPND_LT
567};
568
569#endif