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CommitLineData
1da177e4
LT
1#ifndef __LINUX_PKT_CLS_H
2#define __LINUX_PKT_CLS_H
3
ed307444 4#include <linux/types.h>
1da177e4
LT
5#include <linux/pkt_sched.h>
6
bd5850d3 7#ifdef __KERNEL__
1da177e4
LT
8/* I think i could have done better macros ; for now this is stolen from
9 * some arch/mips code - jhs
10*/
11#define _TC_MAKE32(x) ((x))
12
13#define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
14#define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n))
15#define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n))
16#define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n))
17
18/* verdict bit breakdown
19 *
20bit 0: when set -> this packet has been munged already
21
22bit 1: when set -> It is ok to munge this packet
23
24bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
25assume loop
26
27bit 6,7: Where this packet was last seen
280: Above the transmit example at the socket level
291: on the Ingress
302: on the Egress
31
32bit 8: when set --> Request not to classify on ingress.
33
34bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
35
36 *
37 * */
38
1da177e4
LT
39#define S_TC_FROM _TC_MAKE32(6)
40#define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM)
41#define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM)
42#define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM)
43#define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM))
44#define AT_STACK 0x0
45#define AT_INGRESS 0x1
46#define AT_EGRESS 0x2
47
48#define TC_NCLS _TC_MAKEMASK1(8)
49#define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS))
50#define CLR_TC_NCLS(v) ( v & ~TC_NCLS)
51
1da177e4
LT
52#define S_TC_AT _TC_MAKE32(12)
53#define M_TC_AT _TC_MAKEMASK(2,S_TC_AT)
54#define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
55#define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
56#define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
57
bd5850d3
FW
58#define MAX_REC_LOOP 4
59#define MAX_RED_LOOP 4
60#endif
61
1da177e4 62/* Action attributes */
d94d9fee 63enum {
1da177e4
LT
64 TCA_ACT_UNSPEC,
65 TCA_ACT_KIND,
66 TCA_ACT_OPTIONS,
67 TCA_ACT_INDEX,
68 TCA_ACT_STATS,
9854518e 69 TCA_ACT_PAD,
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LT
70 __TCA_ACT_MAX
71};
72
73#define TCA_ACT_MAX __TCA_ACT_MAX
74#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
75#define TCA_ACT_MAX_PRIO 32
76#define TCA_ACT_BIND 1
77#define TCA_ACT_NOBIND 0
78#define TCA_ACT_UNBIND 1
79#define TCA_ACT_NOUNBIND 0
80#define TCA_ACT_REPLACE 1
81#define TCA_ACT_NOREPLACE 0
1da177e4
LT
82
83#define TC_ACT_UNSPEC (-1)
84#define TC_ACT_OK 0
85#define TC_ACT_RECLASSIFY 1
86#define TC_ACT_SHOT 2
87#define TC_ACT_PIPE 3
88#define TC_ACT_STOLEN 4
89#define TC_ACT_QUEUED 5
90#define TC_ACT_REPEAT 6
27b29f63 91#define TC_ACT_REDIRECT 7
1da177e4
LT
92#define TC_ACT_JUMP 0x10000000
93
94/* Action type identifiers*/
d94d9fee 95enum {
1da177e4
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96 TCA_ID_UNSPEC=0,
97 TCA_ID_POLICE=1,
98 /* other actions go here */
99 __TCA_ID_MAX=255
100};
101
102#define TCA_ID_MAX __TCA_ID_MAX
103
d94d9fee 104struct tc_police {
1da177e4
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105 __u32 index;
106 int action;
107#define TC_POLICE_UNSPEC TC_ACT_UNSPEC
108#define TC_POLICE_OK TC_ACT_OK
109#define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
110#define TC_POLICE_SHOT TC_ACT_SHOT
111#define TC_POLICE_PIPE TC_ACT_PIPE
112
113 __u32 limit;
114 __u32 burst;
115 __u32 mtu;
116 struct tc_ratespec rate;
117 struct tc_ratespec peakrate;
118 int refcnt;
119 int bindcnt;
120 __u32 capab;
121};
122
d94d9fee 123struct tcf_t {
1da177e4
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124 __u64 install;
125 __u64 lastuse;
126 __u64 expires;
127};
128
d94d9fee 129struct tc_cnt {
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130 int refcnt;
131 int bindcnt;
132};
133
134#define tc_gen \
135 __u32 index; \
136 __u32 capab; \
137 int action; \
138 int refcnt; \
139 int bindcnt
140
d94d9fee 141enum {
1da177e4
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142 TCA_POLICE_UNSPEC,
143 TCA_POLICE_TBF,
144 TCA_POLICE_RATE,
145 TCA_POLICE_PEAKRATE,
146 TCA_POLICE_AVRATE,
147 TCA_POLICE_RESULT,
148 __TCA_POLICE_MAX
149#define TCA_POLICE_RESULT TCA_POLICE_RESULT
150};
151
152#define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
153
154/* U32 filters */
155
156#define TC_U32_HTID(h) ((h)&0xFFF00000)
157#define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
158#define TC_U32_HASH(h) (((h)>>12)&0xFF)
159#define TC_U32_NODE(h) ((h)&0xFFF)
160#define TC_U32_KEY(h) ((h)&0xFFFFF)
161#define TC_U32_UNSPEC 0
162#define TC_U32_ROOT (0xFFF00000)
163
d94d9fee 164enum {
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165 TCA_U32_UNSPEC,
166 TCA_U32_CLASSID,
167 TCA_U32_HASH,
168 TCA_U32_LINK,
169 TCA_U32_DIVISOR,
170 TCA_U32_SEL,
171 TCA_U32_POLICE,
172 TCA_U32_ACT,
173 TCA_U32_INDEV,
174 TCA_U32_PCNT,
175 TCA_U32_MARK,
9e8ce79c 176 TCA_U32_FLAGS,
9854518e 177 TCA_U32_PAD,
1da177e4
LT
178 __TCA_U32_MAX
179};
180
181#define TCA_U32_MAX (__TCA_U32_MAX - 1)
182
d94d9fee 183struct tc_u32_key {
0382b9c3
AV
184 __be32 mask;
185 __be32 val;
1da177e4
LT
186 int off;
187 int offmask;
188};
189
d94d9fee 190struct tc_u32_sel {
1da177e4
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191 unsigned char flags;
192 unsigned char offshift;
193 unsigned char nkeys;
194
0382b9c3 195 __be16 offmask;
1da177e4
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196 __u16 off;
197 short offoff;
198
199 short hoff;
0382b9c3 200 __be32 hmask;
1da177e4
LT
201 struct tc_u32_key keys[0];
202};
203
d94d9fee 204struct tc_u32_mark {
1da177e4
LT
205 __u32 val;
206 __u32 mask;
207 __u32 success;
208};
209
d94d9fee 210struct tc_u32_pcnt {
1da177e4
LT
211 __u64 rcnt;
212 __u64 rhit;
213 __u64 kcnts[0];
214};
215
216/* Flags */
217
218#define TC_U32_TERMINAL 1
219#define TC_U32_OFFSET 2
220#define TC_U32_VAROFFSET 4
221#define TC_U32_EAT 8
222
223#define TC_U32_MAXDEPTH 8
224
225
226/* RSVP filter */
227
d94d9fee 228enum {
1da177e4
LT
229 TCA_RSVP_UNSPEC,
230 TCA_RSVP_CLASSID,
231 TCA_RSVP_DST,
232 TCA_RSVP_SRC,
233 TCA_RSVP_PINFO,
234 TCA_RSVP_POLICE,
235 TCA_RSVP_ACT,
236 __TCA_RSVP_MAX
237};
238
239#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
240
d94d9fee 241struct tc_rsvp_gpi {
1da177e4
LT
242 __u32 key;
243 __u32 mask;
244 int offset;
245};
246
d94d9fee 247struct tc_rsvp_pinfo {
1da177e4
LT
248 struct tc_rsvp_gpi dpi;
249 struct tc_rsvp_gpi spi;
250 __u8 protocol;
251 __u8 tunnelid;
252 __u8 tunnelhdr;
8a47077a 253 __u8 pad;
1da177e4
LT
254};
255
256/* ROUTE filter */
257
d94d9fee 258enum {
1da177e4
LT
259 TCA_ROUTE4_UNSPEC,
260 TCA_ROUTE4_CLASSID,
261 TCA_ROUTE4_TO,
262 TCA_ROUTE4_FROM,
263 TCA_ROUTE4_IIF,
264 TCA_ROUTE4_POLICE,
265 TCA_ROUTE4_ACT,
266 __TCA_ROUTE4_MAX
267};
268
269#define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
270
271
272/* FW filter */
273
d94d9fee 274enum {
1da177e4
LT
275 TCA_FW_UNSPEC,
276 TCA_FW_CLASSID,
277 TCA_FW_POLICE,
278 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
279 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
b4e9b520 280 TCA_FW_MASK,
1da177e4
LT
281 __TCA_FW_MAX
282};
283
284#define TCA_FW_MAX (__TCA_FW_MAX - 1)
285
286/* TC index filter */
287
d94d9fee 288enum {
1da177e4
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289 TCA_TCINDEX_UNSPEC,
290 TCA_TCINDEX_HASH,
291 TCA_TCINDEX_MASK,
292 TCA_TCINDEX_SHIFT,
293 TCA_TCINDEX_FALL_THROUGH,
294 TCA_TCINDEX_CLASSID,
295 TCA_TCINDEX_POLICE,
296 TCA_TCINDEX_ACT,
297 __TCA_TCINDEX_MAX
298};
299
300#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
301
e5dfb815
PM
302/* Flow filter */
303
d94d9fee 304enum {
e5dfb815
PM
305 FLOW_KEY_SRC,
306 FLOW_KEY_DST,
307 FLOW_KEY_PROTO,
308 FLOW_KEY_PROTO_SRC,
309 FLOW_KEY_PROTO_DST,
310 FLOW_KEY_IIF,
311 FLOW_KEY_PRIORITY,
312 FLOW_KEY_MARK,
313 FLOW_KEY_NFCT,
314 FLOW_KEY_NFCT_SRC,
315 FLOW_KEY_NFCT_DST,
316 FLOW_KEY_NFCT_PROTO_SRC,
317 FLOW_KEY_NFCT_PROTO_DST,
318 FLOW_KEY_RTCLASSID,
319 FLOW_KEY_SKUID,
320 FLOW_KEY_SKGID,
9ec13810 321 FLOW_KEY_VLAN_TAG,
739a91ef 322 FLOW_KEY_RXHASH,
e5dfb815
PM
323 __FLOW_KEY_MAX,
324};
325
326#define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
327
d94d9fee 328enum {
e5dfb815
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329 FLOW_MODE_MAP,
330 FLOW_MODE_HASH,
331};
332
d94d9fee 333enum {
e5dfb815
PM
334 TCA_FLOW_UNSPEC,
335 TCA_FLOW_KEYS,
336 TCA_FLOW_MODE,
337 TCA_FLOW_BASECLASS,
338 TCA_FLOW_RSHIFT,
339 TCA_FLOW_ADDEND,
340 TCA_FLOW_MASK,
341 TCA_FLOW_XOR,
342 TCA_FLOW_DIVISOR,
343 TCA_FLOW_ACT,
344 TCA_FLOW_POLICE,
345 TCA_FLOW_EMATCHES,
72d9794f 346 TCA_FLOW_PERTURB,
e5dfb815
PM
347 __TCA_FLOW_MAX
348};
349
350#define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
351
1da177e4
LT
352/* Basic filter */
353
d94d9fee 354enum {
1da177e4
LT
355 TCA_BASIC_UNSPEC,
356 TCA_BASIC_CLASSID,
357 TCA_BASIC_EMATCHES,
358 TCA_BASIC_ACT,
359 TCA_BASIC_POLICE,
360 __TCA_BASIC_MAX
361};
362
363#define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
364
f4009237
TG
365
366/* Cgroup classifier */
367
d94d9fee 368enum {
f4009237
TG
369 TCA_CGROUP_UNSPEC,
370 TCA_CGROUP_ACT,
371 TCA_CGROUP_POLICE,
372 TCA_CGROUP_EMATCHES,
373 __TCA_CGROUP_MAX,
374};
375
376#define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
377
7d1d65cb
DB
378/* BPF classifier */
379
045efa82
DB
380#define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
381
7d1d65cb
DB
382enum {
383 TCA_BPF_UNSPEC,
384 TCA_BPF_ACT,
385 TCA_BPF_POLICE,
386 TCA_BPF_CLASSID,
387 TCA_BPF_OPS_LEN,
388 TCA_BPF_OPS,
e2e9b654
DB
389 TCA_BPF_FD,
390 TCA_BPF_NAME,
045efa82 391 TCA_BPF_FLAGS,
7d1d65cb
DB
392 __TCA_BPF_MAX,
393};
394
395#define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
396
77b9900e
JP
397/* Flower classifier */
398
399enum {
400 TCA_FLOWER_UNSPEC,
401 TCA_FLOWER_CLASSID,
402 TCA_FLOWER_INDEV,
403 TCA_FLOWER_ACT,
404 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
405 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
406 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
407 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
408 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
409 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
410 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
411 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
412 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
413 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
414 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
415 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
416 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
417 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
418 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
419 TCA_FLOWER_KEY_TCP_DST, /* be16 */
420 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
421 TCA_FLOWER_KEY_UDP_DST, /* be16 */
5b33f488
AV
422
423 TCA_FLOWER_FLAGS,
77b9900e
JP
424 __TCA_FLOWER_MAX,
425};
426
427#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
428
1da177e4
LT
429/* Extended Matches */
430
d94d9fee 431struct tcf_ematch_tree_hdr {
1da177e4
LT
432 __u16 nmatches;
433 __u16 progid;
434};
435
d94d9fee 436enum {
1da177e4
LT
437 TCA_EMATCH_TREE_UNSPEC,
438 TCA_EMATCH_TREE_HDR,
439 TCA_EMATCH_TREE_LIST,
440 __TCA_EMATCH_TREE_MAX
441};
442#define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
443
d94d9fee 444struct tcf_ematch_hdr {
1da177e4
LT
445 __u16 matchid;
446 __u16 kind;
447 __u16 flags;
448 __u16 pad; /* currently unused */
449};
450
451/* 0 1
452 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
453 * +-----------------------+-+-+---+
454 * | Unused |S|I| R |
455 * +-----------------------+-+-+---+
456 *
457 * R(2) ::= relation to next ematch
458 * where: 0 0 END (last ematch)
459 * 0 1 AND
460 * 1 0 OR
461 * 1 1 Unused (invalid)
462 * I(1) ::= invert result
463 * S(1) ::= simple payload
464 */
465#define TCF_EM_REL_END 0
466#define TCF_EM_REL_AND (1<<0)
467#define TCF_EM_REL_OR (1<<1)
468#define TCF_EM_INVERT (1<<2)
469#define TCF_EM_SIMPLE (1<<3)
470
471#define TCF_EM_REL_MASK 3
472#define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
473
d94d9fee 474enum {
1da177e4
LT
475 TCF_LAYER_LINK,
476 TCF_LAYER_NETWORK,
477 TCF_LAYER_TRANSPORT,
478 __TCF_LAYER_MAX
479};
480#define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
481
482/* Ematch type assignments
483 * 1..32767 Reserved for ematches inside kernel tree
484 * 32768..65535 Free to use, not reliable
485 */
db3d99c0
PM
486#define TCF_EM_CONTAINER 0
487#define TCF_EM_CMP 1
488#define TCF_EM_NBYTE 2
489#define TCF_EM_U32 3
490#define TCF_EM_META 4
491#define TCF_EM_TEXT 5
f057bbb6
RL
492#define TCF_EM_VLAN 6
493#define TCF_EM_CANID 7
6d4fa852
FW
494#define TCF_EM_IPSET 8
495#define TCF_EM_MAX 8
1da177e4 496
d94d9fee 497enum {
1da177e4
LT
498 TCF_EM_PROG_TC
499};
500
d94d9fee 501enum {
1da177e4
LT
502 TCF_EM_OPND_EQ,
503 TCF_EM_OPND_GT,
504 TCF_EM_OPND_LT
505};
506
507#endif