Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski...
[linux-2.6-block.git] / include / uapi / linux / pkt_cls.h
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
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64 TCA_ACT_UNSPEC,
65 TCA_ACT_KIND,
66 TCA_ACT_OPTIONS,
67 TCA_ACT_INDEX,
68 TCA_ACT_STATS,
69 __TCA_ACT_MAX
70};
71
72#define TCA_ACT_MAX __TCA_ACT_MAX
73#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
74#define TCA_ACT_MAX_PRIO 32
75#define TCA_ACT_BIND 1
76#define TCA_ACT_NOBIND 0
77#define TCA_ACT_UNBIND 1
78#define TCA_ACT_NOUNBIND 0
79#define TCA_ACT_REPLACE 1
80#define TCA_ACT_NOREPLACE 0
1da177e4
LT
81
82#define TC_ACT_UNSPEC (-1)
83#define TC_ACT_OK 0
84#define TC_ACT_RECLASSIFY 1
85#define TC_ACT_SHOT 2
86#define TC_ACT_PIPE 3
87#define TC_ACT_STOLEN 4
88#define TC_ACT_QUEUED 5
89#define TC_ACT_REPEAT 6
27b29f63 90#define TC_ACT_REDIRECT 7
1da177e4
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91#define TC_ACT_JUMP 0x10000000
92
93/* Action type identifiers*/
d94d9fee 94enum {
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95 TCA_ID_UNSPEC=0,
96 TCA_ID_POLICE=1,
97 /* other actions go here */
98 __TCA_ID_MAX=255
99};
100
101#define TCA_ID_MAX __TCA_ID_MAX
102
d94d9fee 103struct tc_police {
1da177e4
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104 __u32 index;
105 int action;
106#define TC_POLICE_UNSPEC TC_ACT_UNSPEC
107#define TC_POLICE_OK TC_ACT_OK
108#define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
109#define TC_POLICE_SHOT TC_ACT_SHOT
110#define TC_POLICE_PIPE TC_ACT_PIPE
111
112 __u32 limit;
113 __u32 burst;
114 __u32 mtu;
115 struct tc_ratespec rate;
116 struct tc_ratespec peakrate;
117 int refcnt;
118 int bindcnt;
119 __u32 capab;
120};
121
d94d9fee 122struct tcf_t {
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123 __u64 install;
124 __u64 lastuse;
125 __u64 expires;
126};
127
d94d9fee 128struct tc_cnt {
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129 int refcnt;
130 int bindcnt;
131};
132
133#define tc_gen \
134 __u32 index; \
135 __u32 capab; \
136 int action; \
137 int refcnt; \
138 int bindcnt
139
d94d9fee 140enum {
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141 TCA_POLICE_UNSPEC,
142 TCA_POLICE_TBF,
143 TCA_POLICE_RATE,
144 TCA_POLICE_PEAKRATE,
145 TCA_POLICE_AVRATE,
146 TCA_POLICE_RESULT,
147 __TCA_POLICE_MAX
148#define TCA_POLICE_RESULT TCA_POLICE_RESULT
149};
150
151#define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
152
153/* U32 filters */
154
155#define TC_U32_HTID(h) ((h)&0xFFF00000)
156#define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
157#define TC_U32_HASH(h) (((h)>>12)&0xFF)
158#define TC_U32_NODE(h) ((h)&0xFFF)
159#define TC_U32_KEY(h) ((h)&0xFFFFF)
160#define TC_U32_UNSPEC 0
161#define TC_U32_ROOT (0xFFF00000)
162
d94d9fee 163enum {
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164 TCA_U32_UNSPEC,
165 TCA_U32_CLASSID,
166 TCA_U32_HASH,
167 TCA_U32_LINK,
168 TCA_U32_DIVISOR,
169 TCA_U32_SEL,
170 TCA_U32_POLICE,
171 TCA_U32_ACT,
172 TCA_U32_INDEV,
173 TCA_U32_PCNT,
174 TCA_U32_MARK,
9e8ce79c 175 TCA_U32_FLAGS,
1da177e4
LT
176 __TCA_U32_MAX
177};
178
179#define TCA_U32_MAX (__TCA_U32_MAX - 1)
180
d94d9fee 181struct tc_u32_key {
0382b9c3
AV
182 __be32 mask;
183 __be32 val;
1da177e4
LT
184 int off;
185 int offmask;
186};
187
d94d9fee 188struct tc_u32_sel {
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189 unsigned char flags;
190 unsigned char offshift;
191 unsigned char nkeys;
192
0382b9c3 193 __be16 offmask;
1da177e4
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194 __u16 off;
195 short offoff;
196
197 short hoff;
0382b9c3 198 __be32 hmask;
1da177e4
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199 struct tc_u32_key keys[0];
200};
201
d94d9fee 202struct tc_u32_mark {
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203 __u32 val;
204 __u32 mask;
205 __u32 success;
206};
207
d94d9fee 208struct tc_u32_pcnt {
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209 __u64 rcnt;
210 __u64 rhit;
211 __u64 kcnts[0];
212};
213
214/* Flags */
215
216#define TC_U32_TERMINAL 1
217#define TC_U32_OFFSET 2
218#define TC_U32_VAROFFSET 4
219#define TC_U32_EAT 8
220
221#define TC_U32_MAXDEPTH 8
222
223
224/* RSVP filter */
225
d94d9fee 226enum {
1da177e4
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227 TCA_RSVP_UNSPEC,
228 TCA_RSVP_CLASSID,
229 TCA_RSVP_DST,
230 TCA_RSVP_SRC,
231 TCA_RSVP_PINFO,
232 TCA_RSVP_POLICE,
233 TCA_RSVP_ACT,
234 __TCA_RSVP_MAX
235};
236
237#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
238
d94d9fee 239struct tc_rsvp_gpi {
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240 __u32 key;
241 __u32 mask;
242 int offset;
243};
244
d94d9fee 245struct tc_rsvp_pinfo {
1da177e4
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246 struct tc_rsvp_gpi dpi;
247 struct tc_rsvp_gpi spi;
248 __u8 protocol;
249 __u8 tunnelid;
250 __u8 tunnelhdr;
8a47077a 251 __u8 pad;
1da177e4
LT
252};
253
254/* ROUTE filter */
255
d94d9fee 256enum {
1da177e4
LT
257 TCA_ROUTE4_UNSPEC,
258 TCA_ROUTE4_CLASSID,
259 TCA_ROUTE4_TO,
260 TCA_ROUTE4_FROM,
261 TCA_ROUTE4_IIF,
262 TCA_ROUTE4_POLICE,
263 TCA_ROUTE4_ACT,
264 __TCA_ROUTE4_MAX
265};
266
267#define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
268
269
270/* FW filter */
271
d94d9fee 272enum {
1da177e4
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273 TCA_FW_UNSPEC,
274 TCA_FW_CLASSID,
275 TCA_FW_POLICE,
276 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
277 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
b4e9b520 278 TCA_FW_MASK,
1da177e4
LT
279 __TCA_FW_MAX
280};
281
282#define TCA_FW_MAX (__TCA_FW_MAX - 1)
283
284/* TC index filter */
285
d94d9fee 286enum {
1da177e4
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287 TCA_TCINDEX_UNSPEC,
288 TCA_TCINDEX_HASH,
289 TCA_TCINDEX_MASK,
290 TCA_TCINDEX_SHIFT,
291 TCA_TCINDEX_FALL_THROUGH,
292 TCA_TCINDEX_CLASSID,
293 TCA_TCINDEX_POLICE,
294 TCA_TCINDEX_ACT,
295 __TCA_TCINDEX_MAX
296};
297
298#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
299
e5dfb815
PM
300/* Flow filter */
301
d94d9fee 302enum {
e5dfb815
PM
303 FLOW_KEY_SRC,
304 FLOW_KEY_DST,
305 FLOW_KEY_PROTO,
306 FLOW_KEY_PROTO_SRC,
307 FLOW_KEY_PROTO_DST,
308 FLOW_KEY_IIF,
309 FLOW_KEY_PRIORITY,
310 FLOW_KEY_MARK,
311 FLOW_KEY_NFCT,
312 FLOW_KEY_NFCT_SRC,
313 FLOW_KEY_NFCT_DST,
314 FLOW_KEY_NFCT_PROTO_SRC,
315 FLOW_KEY_NFCT_PROTO_DST,
316 FLOW_KEY_RTCLASSID,
317 FLOW_KEY_SKUID,
318 FLOW_KEY_SKGID,
9ec13810 319 FLOW_KEY_VLAN_TAG,
739a91ef 320 FLOW_KEY_RXHASH,
e5dfb815
PM
321 __FLOW_KEY_MAX,
322};
323
324#define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
325
d94d9fee 326enum {
e5dfb815
PM
327 FLOW_MODE_MAP,
328 FLOW_MODE_HASH,
329};
330
d94d9fee 331enum {
e5dfb815
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332 TCA_FLOW_UNSPEC,
333 TCA_FLOW_KEYS,
334 TCA_FLOW_MODE,
335 TCA_FLOW_BASECLASS,
336 TCA_FLOW_RSHIFT,
337 TCA_FLOW_ADDEND,
338 TCA_FLOW_MASK,
339 TCA_FLOW_XOR,
340 TCA_FLOW_DIVISOR,
341 TCA_FLOW_ACT,
342 TCA_FLOW_POLICE,
343 TCA_FLOW_EMATCHES,
72d9794f 344 TCA_FLOW_PERTURB,
e5dfb815
PM
345 __TCA_FLOW_MAX
346};
347
348#define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
349
1da177e4
LT
350/* Basic filter */
351
d94d9fee 352enum {
1da177e4
LT
353 TCA_BASIC_UNSPEC,
354 TCA_BASIC_CLASSID,
355 TCA_BASIC_EMATCHES,
356 TCA_BASIC_ACT,
357 TCA_BASIC_POLICE,
358 __TCA_BASIC_MAX
359};
360
361#define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
362
f4009237
TG
363
364/* Cgroup classifier */
365
d94d9fee 366enum {
f4009237
TG
367 TCA_CGROUP_UNSPEC,
368 TCA_CGROUP_ACT,
369 TCA_CGROUP_POLICE,
370 TCA_CGROUP_EMATCHES,
371 __TCA_CGROUP_MAX,
372};
373
374#define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
375
7d1d65cb
DB
376/* BPF classifier */
377
045efa82
DB
378#define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
379
7d1d65cb
DB
380enum {
381 TCA_BPF_UNSPEC,
382 TCA_BPF_ACT,
383 TCA_BPF_POLICE,
384 TCA_BPF_CLASSID,
385 TCA_BPF_OPS_LEN,
386 TCA_BPF_OPS,
e2e9b654
DB
387 TCA_BPF_FD,
388 TCA_BPF_NAME,
045efa82 389 TCA_BPF_FLAGS,
7d1d65cb
DB
390 __TCA_BPF_MAX,
391};
392
393#define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
394
77b9900e
JP
395/* Flower classifier */
396
397enum {
398 TCA_FLOWER_UNSPEC,
399 TCA_FLOWER_CLASSID,
400 TCA_FLOWER_INDEV,
401 TCA_FLOWER_ACT,
402 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
403 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
404 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
405 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
406 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
407 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
408 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
409 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
410 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
411 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
412 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
413 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
414 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
415 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
416 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
417 TCA_FLOWER_KEY_TCP_DST, /* be16 */
418 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
419 TCA_FLOWER_KEY_UDP_DST, /* be16 */
5b33f488
AV
420
421 TCA_FLOWER_FLAGS,
77b9900e
JP
422 __TCA_FLOWER_MAX,
423};
424
425#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
426
1da177e4
LT
427/* Extended Matches */
428
d94d9fee 429struct tcf_ematch_tree_hdr {
1da177e4
LT
430 __u16 nmatches;
431 __u16 progid;
432};
433
d94d9fee 434enum {
1da177e4
LT
435 TCA_EMATCH_TREE_UNSPEC,
436 TCA_EMATCH_TREE_HDR,
437 TCA_EMATCH_TREE_LIST,
438 __TCA_EMATCH_TREE_MAX
439};
440#define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
441
d94d9fee 442struct tcf_ematch_hdr {
1da177e4
LT
443 __u16 matchid;
444 __u16 kind;
445 __u16 flags;
446 __u16 pad; /* currently unused */
447};
448
449/* 0 1
450 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
451 * +-----------------------+-+-+---+
452 * | Unused |S|I| R |
453 * +-----------------------+-+-+---+
454 *
455 * R(2) ::= relation to next ematch
456 * where: 0 0 END (last ematch)
457 * 0 1 AND
458 * 1 0 OR
459 * 1 1 Unused (invalid)
460 * I(1) ::= invert result
461 * S(1) ::= simple payload
462 */
463#define TCF_EM_REL_END 0
464#define TCF_EM_REL_AND (1<<0)
465#define TCF_EM_REL_OR (1<<1)
466#define TCF_EM_INVERT (1<<2)
467#define TCF_EM_SIMPLE (1<<3)
468
469#define TCF_EM_REL_MASK 3
470#define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
471
d94d9fee 472enum {
1da177e4
LT
473 TCF_LAYER_LINK,
474 TCF_LAYER_NETWORK,
475 TCF_LAYER_TRANSPORT,
476 __TCF_LAYER_MAX
477};
478#define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
479
480/* Ematch type assignments
481 * 1..32767 Reserved for ematches inside kernel tree
482 * 32768..65535 Free to use, not reliable
483 */
db3d99c0
PM
484#define TCF_EM_CONTAINER 0
485#define TCF_EM_CMP 1
486#define TCF_EM_NBYTE 2
487#define TCF_EM_U32 3
488#define TCF_EM_META 4
489#define TCF_EM_TEXT 5
f057bbb6
RL
490#define TCF_EM_VLAN 6
491#define TCF_EM_CANID 7
6d4fa852
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492#define TCF_EM_IPSET 8
493#define TCF_EM_MAX 8
1da177e4 494
d94d9fee 495enum {
1da177e4
LT
496 TCF_EM_PROG_TC
497};
498
d94d9fee 499enum {
1da177e4
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500 TCF_EM_OPND_EQ,
501 TCF_EM_OPND_GT,
502 TCF_EM_OPND_LT
503};
504
505#endif