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