blob: defbde203d0782034d23173063a9f7313d0b2e81 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __LINUX_PKT_CLS_H
2#define __LINUX_PKT_CLS_H
3
Jaswinder Singh Rajputed307442009-01-30 22:05:32 +05304#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005#include <linux/pkt_sched.h>
6
7/* I think i could have done better macros ; for now this is stolen from
8 * some arch/mips code - jhs
9*/
10#define _TC_MAKE32(x) ((x))
11
12#define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
13#define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n))
14#define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n))
15#define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n))
16
17/* verdict bit breakdown
18 *
19bit 0: when set -> this packet has been munged already
20
21bit 1: when set -> It is ok to munge this packet
22
23bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
24assume loop
25
26bit 6,7: Where this packet was last seen
270: Above the transmit example at the socket level
281: on the Ingress
292: on the Egress
30
31bit 8: when set --> Request not to classify on ingress.
32
33bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
34
35 *
36 * */
37
38#define TC_MUNGED _TC_MAKEMASK1(0)
39#define SET_TC_MUNGED(v) ( TC_MUNGED | (v & ~TC_MUNGED))
40#define CLR_TC_MUNGED(v) ( v & ~TC_MUNGED)
41
42#define TC_OK2MUNGE _TC_MAKEMASK1(1)
43#define SET_TC_OK2MUNGE(v) ( TC_OK2MUNGE | (v & ~TC_OK2MUNGE))
44#define CLR_TC_OK2MUNGE(v) ( v & ~TC_OK2MUNGE)
45
46#define S_TC_VERD _TC_MAKE32(2)
47#define M_TC_VERD _TC_MAKEMASK(4,S_TC_VERD)
48#define G_TC_VERD(x) _TC_GETVALUE(x,S_TC_VERD,M_TC_VERD)
49#define V_TC_VERD(x) _TC_MAKEVALUE(x,S_TC_VERD)
50#define SET_TC_VERD(v,n) ((V_TC_VERD(n)) | (v & ~M_TC_VERD))
51
52#define S_TC_FROM _TC_MAKE32(6)
53#define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM)
54#define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM)
55#define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM)
56#define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM))
57#define AT_STACK 0x0
58#define AT_INGRESS 0x1
59#define AT_EGRESS 0x2
60
61#define TC_NCLS _TC_MAKEMASK1(8)
62#define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS))
63#define CLR_TC_NCLS(v) ( v & ~TC_NCLS)
64
65#define S_TC_RTTL _TC_MAKE32(9)
66#define M_TC_RTTL _TC_MAKEMASK(3,S_TC_RTTL)
67#define G_TC_RTTL(x) _TC_GETVALUE(x,S_TC_RTTL,M_TC_RTTL)
68#define V_TC_RTTL(x) _TC_MAKEVALUE(x,S_TC_RTTL)
69#define SET_TC_RTTL(v,n) ((V_TC_RTTL(n)) | (v & ~M_TC_RTTL))
70
71#define S_TC_AT _TC_MAKE32(12)
72#define M_TC_AT _TC_MAKEMASK(2,S_TC_AT)
73#define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
74#define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
75#define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
76
77/* Action attributes */
Eric Dumazetd94d9fe2009-11-04 09:50:58 -080078enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 TCA_ACT_UNSPEC,
80 TCA_ACT_KIND,
81 TCA_ACT_OPTIONS,
82 TCA_ACT_INDEX,
83 TCA_ACT_STATS,
84 __TCA_ACT_MAX
85};
86
87#define TCA_ACT_MAX __TCA_ACT_MAX
88#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
89#define TCA_ACT_MAX_PRIO 32
90#define TCA_ACT_BIND 1
91#define TCA_ACT_NOBIND 0
92#define TCA_ACT_UNBIND 1
93#define TCA_ACT_NOUNBIND 0
94#define TCA_ACT_REPLACE 1
95#define TCA_ACT_NOREPLACE 0
96#define MAX_REC_LOOP 4
97#define MAX_RED_LOOP 4
98
99#define TC_ACT_UNSPEC (-1)
100#define TC_ACT_OK 0
101#define TC_ACT_RECLASSIFY 1
102#define TC_ACT_SHOT 2
103#define TC_ACT_PIPE 3
104#define TC_ACT_STOLEN 4
105#define TC_ACT_QUEUED 5
106#define TC_ACT_REPEAT 6
107#define TC_ACT_JUMP 0x10000000
108
109/* Action type identifiers*/
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800110enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 TCA_ID_UNSPEC=0,
112 TCA_ID_POLICE=1,
113 /* other actions go here */
114 __TCA_ID_MAX=255
115};
116
117#define TCA_ID_MAX __TCA_ID_MAX
118
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800119struct tc_police {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 __u32 index;
121 int action;
122#define TC_POLICE_UNSPEC TC_ACT_UNSPEC
123#define TC_POLICE_OK TC_ACT_OK
124#define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
125#define TC_POLICE_SHOT TC_ACT_SHOT
126#define TC_POLICE_PIPE TC_ACT_PIPE
127
128 __u32 limit;
129 __u32 burst;
130 __u32 mtu;
131 struct tc_ratespec rate;
132 struct tc_ratespec peakrate;
133 int refcnt;
134 int bindcnt;
135 __u32 capab;
136};
137
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800138struct tcf_t {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 __u64 install;
140 __u64 lastuse;
141 __u64 expires;
142};
143
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800144struct tc_cnt {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145 int refcnt;
146 int bindcnt;
147};
148
149#define tc_gen \
150 __u32 index; \
151 __u32 capab; \
152 int action; \
153 int refcnt; \
154 int bindcnt
155
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800156enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157 TCA_POLICE_UNSPEC,
158 TCA_POLICE_TBF,
159 TCA_POLICE_RATE,
160 TCA_POLICE_PEAKRATE,
161 TCA_POLICE_AVRATE,
162 TCA_POLICE_RESULT,
163 __TCA_POLICE_MAX
164#define TCA_POLICE_RESULT TCA_POLICE_RESULT
165};
166
167#define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
168
169/* U32 filters */
170
171#define TC_U32_HTID(h) ((h)&0xFFF00000)
172#define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
173#define TC_U32_HASH(h) (((h)>>12)&0xFF)
174#define TC_U32_NODE(h) ((h)&0xFFF)
175#define TC_U32_KEY(h) ((h)&0xFFFFF)
176#define TC_U32_UNSPEC 0
177#define TC_U32_ROOT (0xFFF00000)
178
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800179enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 TCA_U32_UNSPEC,
181 TCA_U32_CLASSID,
182 TCA_U32_HASH,
183 TCA_U32_LINK,
184 TCA_U32_DIVISOR,
185 TCA_U32_SEL,
186 TCA_U32_POLICE,
187 TCA_U32_ACT,
188 TCA_U32_INDEV,
189 TCA_U32_PCNT,
190 TCA_U32_MARK,
191 __TCA_U32_MAX
192};
193
194#define TCA_U32_MAX (__TCA_U32_MAX - 1)
195
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800196struct tc_u32_key {
Al Viro0382b9c2008-03-17 22:46:46 -0700197 __be32 mask;
198 __be32 val;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 int off;
200 int offmask;
201};
202
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800203struct tc_u32_sel {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204 unsigned char flags;
205 unsigned char offshift;
206 unsigned char nkeys;
207
Al Viro0382b9c2008-03-17 22:46:46 -0700208 __be16 offmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209 __u16 off;
210 short offoff;
211
212 short hoff;
Al Viro0382b9c2008-03-17 22:46:46 -0700213 __be32 hmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 struct tc_u32_key keys[0];
215};
216
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800217struct tc_u32_mark {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 __u32 val;
219 __u32 mask;
220 __u32 success;
221};
222
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800223struct tc_u32_pcnt {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224 __u64 rcnt;
225 __u64 rhit;
226 __u64 kcnts[0];
227};
228
229/* Flags */
230
231#define TC_U32_TERMINAL 1
232#define TC_U32_OFFSET 2
233#define TC_U32_VAROFFSET 4
234#define TC_U32_EAT 8
235
236#define TC_U32_MAXDEPTH 8
237
238
239/* RSVP filter */
240
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800241enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242 TCA_RSVP_UNSPEC,
243 TCA_RSVP_CLASSID,
244 TCA_RSVP_DST,
245 TCA_RSVP_SRC,
246 TCA_RSVP_PINFO,
247 TCA_RSVP_POLICE,
248 TCA_RSVP_ACT,
249 __TCA_RSVP_MAX
250};
251
252#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
253
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800254struct tc_rsvp_gpi {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255 __u32 key;
256 __u32 mask;
257 int offset;
258};
259
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800260struct tc_rsvp_pinfo {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261 struct tc_rsvp_gpi dpi;
262 struct tc_rsvp_gpi spi;
263 __u8 protocol;
264 __u8 tunnelid;
265 __u8 tunnelhdr;
Patrick McHardy8a470772005-06-28 12:56:45 -0700266 __u8 pad;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267};
268
269/* ROUTE filter */
270
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800271enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272 TCA_ROUTE4_UNSPEC,
273 TCA_ROUTE4_CLASSID,
274 TCA_ROUTE4_TO,
275 TCA_ROUTE4_FROM,
276 TCA_ROUTE4_IIF,
277 TCA_ROUTE4_POLICE,
278 TCA_ROUTE4_ACT,
279 __TCA_ROUTE4_MAX
280};
281
282#define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
283
284
285/* FW filter */
286
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800287enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700288 TCA_FW_UNSPEC,
289 TCA_FW_CLASSID,
290 TCA_FW_POLICE,
291 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
292 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
Patrick McHardyb4e9b522006-08-25 16:11:42 -0700293 TCA_FW_MASK,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 __TCA_FW_MAX
295};
296
297#define TCA_FW_MAX (__TCA_FW_MAX - 1)
298
299/* TC index filter */
300
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800301enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302 TCA_TCINDEX_UNSPEC,
303 TCA_TCINDEX_HASH,
304 TCA_TCINDEX_MASK,
305 TCA_TCINDEX_SHIFT,
306 TCA_TCINDEX_FALL_THROUGH,
307 TCA_TCINDEX_CLASSID,
308 TCA_TCINDEX_POLICE,
309 TCA_TCINDEX_ACT,
310 __TCA_TCINDEX_MAX
311};
312
313#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
314
Patrick McHardye5dfb812008-01-31 18:37:42 -0800315/* Flow filter */
316
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800317enum {
Patrick McHardye5dfb812008-01-31 18:37:42 -0800318 FLOW_KEY_SRC,
319 FLOW_KEY_DST,
320 FLOW_KEY_PROTO,
321 FLOW_KEY_PROTO_SRC,
322 FLOW_KEY_PROTO_DST,
323 FLOW_KEY_IIF,
324 FLOW_KEY_PRIORITY,
325 FLOW_KEY_MARK,
326 FLOW_KEY_NFCT,
327 FLOW_KEY_NFCT_SRC,
328 FLOW_KEY_NFCT_DST,
329 FLOW_KEY_NFCT_PROTO_SRC,
330 FLOW_KEY_NFCT_PROTO_DST,
331 FLOW_KEY_RTCLASSID,
332 FLOW_KEY_SKUID,
333 FLOW_KEY_SKGID,
Patrick McHardy9ec13812008-02-05 16:21:04 -0800334 FLOW_KEY_VLAN_TAG,
Changli Gao739a91e2010-08-21 06:23:15 +0000335 FLOW_KEY_RXHASH,
Patrick McHardye5dfb812008-01-31 18:37:42 -0800336 __FLOW_KEY_MAX,
337};
338
339#define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
340
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800341enum {
Patrick McHardye5dfb812008-01-31 18:37:42 -0800342 FLOW_MODE_MAP,
343 FLOW_MODE_HASH,
344};
345
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800346enum {
Patrick McHardye5dfb812008-01-31 18:37:42 -0800347 TCA_FLOW_UNSPEC,
348 TCA_FLOW_KEYS,
349 TCA_FLOW_MODE,
350 TCA_FLOW_BASECLASS,
351 TCA_FLOW_RSHIFT,
352 TCA_FLOW_ADDEND,
353 TCA_FLOW_MASK,
354 TCA_FLOW_XOR,
355 TCA_FLOW_DIVISOR,
356 TCA_FLOW_ACT,
357 TCA_FLOW_POLICE,
358 TCA_FLOW_EMATCHES,
Patrick McHardy72d97942008-07-14 20:36:32 -0700359 TCA_FLOW_PERTURB,
Patrick McHardye5dfb812008-01-31 18:37:42 -0800360 __TCA_FLOW_MAX
361};
362
363#define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
364
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365/* Basic filter */
366
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800367enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368 TCA_BASIC_UNSPEC,
369 TCA_BASIC_CLASSID,
370 TCA_BASIC_EMATCHES,
371 TCA_BASIC_ACT,
372 TCA_BASIC_POLICE,
373 __TCA_BASIC_MAX
374};
375
376#define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
377
Thomas Graff4009232008-11-07 22:56:00 -0800378
379/* Cgroup classifier */
380
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800381enum {
Thomas Graff4009232008-11-07 22:56:00 -0800382 TCA_CGROUP_UNSPEC,
383 TCA_CGROUP_ACT,
384 TCA_CGROUP_POLICE,
385 TCA_CGROUP_EMATCHES,
386 __TCA_CGROUP_MAX,
387};
388
389#define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
390
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391/* Extended Matches */
392
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800393struct tcf_ematch_tree_hdr {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 __u16 nmatches;
395 __u16 progid;
396};
397
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800398enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399 TCA_EMATCH_TREE_UNSPEC,
400 TCA_EMATCH_TREE_HDR,
401 TCA_EMATCH_TREE_LIST,
402 __TCA_EMATCH_TREE_MAX
403};
404#define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
405
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800406struct tcf_ematch_hdr {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407 __u16 matchid;
408 __u16 kind;
409 __u16 flags;
410 __u16 pad; /* currently unused */
411};
412
413/* 0 1
414 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
415 * +-----------------------+-+-+---+
416 * | Unused |S|I| R |
417 * +-----------------------+-+-+---+
418 *
419 * R(2) ::= relation to next ematch
420 * where: 0 0 END (last ematch)
421 * 0 1 AND
422 * 1 0 OR
423 * 1 1 Unused (invalid)
424 * I(1) ::= invert result
425 * S(1) ::= simple payload
426 */
427#define TCF_EM_REL_END 0
428#define TCF_EM_REL_AND (1<<0)
429#define TCF_EM_REL_OR (1<<1)
430#define TCF_EM_INVERT (1<<2)
431#define TCF_EM_SIMPLE (1<<3)
432
433#define TCF_EM_REL_MASK 3
434#define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
435
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800436enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700437 TCF_LAYER_LINK,
438 TCF_LAYER_NETWORK,
439 TCF_LAYER_TRANSPORT,
440 __TCF_LAYER_MAX
441};
442#define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
443
444/* Ematch type assignments
445 * 1..32767 Reserved for ematches inside kernel tree
446 * 32768..65535 Free to use, not reliable
447 */
Patrick McHardydb3d99c2007-07-11 19:46:26 -0700448#define TCF_EM_CONTAINER 0
449#define TCF_EM_CMP 1
450#define TCF_EM_NBYTE 2
451#define TCF_EM_U32 3
452#define TCF_EM_META 4
453#define TCF_EM_TEXT 5
Stephen Hemminger3113e882008-02-05 03:20:13 -0800454#define TCF_EM_VLAN 6
455#define TCF_EM_MAX 6
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800457enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458 TCF_EM_PROG_TC
459};
460
Eric Dumazetd94d9fe2009-11-04 09:50:58 -0800461enum {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700462 TCF_EM_OPND_EQ,
463 TCF_EM_OPND_GT,
464 TCF_EM_OPND_LT
465};
466
467#endif