Commit | Line | Data |
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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 | * | |
20 | bit 0: when set -> this packet has been munged already | |
21 | ||
22 | bit 1: when set -> It is ok to munge this packet | |
23 | ||
24 | bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded | |
25 | assume loop | |
26 | ||
27 | bit 6,7: Where this packet was last seen | |
28 | 0: Above the transmit example at the socket level | |
29 | 1: on the Ingress | |
30 | 2: on the Egress | |
31 | ||
32 | bit 8: when set --> Request not to classify on ingress. | |
33 | ||
34 | bits 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 | 63 | enum { |
1da177e4 LT |
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 LT |
91 | #define TC_ACT_JUMP 0x10000000 |
92 | ||
93 | /* Action type identifiers*/ | |
d94d9fee | 94 | enum { |
1da177e4 LT |
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 | 103 | struct tc_police { |
1da177e4 LT |
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 | 122 | struct tcf_t { |
1da177e4 LT |
123 | __u64 install; |
124 | __u64 lastuse; | |
125 | __u64 expires; | |
126 | }; | |
127 | ||
d94d9fee | 128 | struct tc_cnt { |
1da177e4 LT |
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 | 140 | enum { |
1da177e4 LT |
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 | 163 | enum { |
1da177e4 LT |
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 | 181 | struct tc_u32_key { |
0382b9c3 AV |
182 | __be32 mask; |
183 | __be32 val; | |
1da177e4 LT |
184 | int off; |
185 | int offmask; | |
186 | }; | |
187 | ||
d94d9fee | 188 | struct tc_u32_sel { |
1da177e4 LT |
189 | unsigned char flags; |
190 | unsigned char offshift; | |
191 | unsigned char nkeys; | |
192 | ||
0382b9c3 | 193 | __be16 offmask; |
1da177e4 LT |
194 | __u16 off; |
195 | short offoff; | |
196 | ||
197 | short hoff; | |
0382b9c3 | 198 | __be32 hmask; |
1da177e4 LT |
199 | struct tc_u32_key keys[0]; |
200 | }; | |
201 | ||
d94d9fee | 202 | struct tc_u32_mark { |
1da177e4 LT |
203 | __u32 val; |
204 | __u32 mask; | |
205 | __u32 success; | |
206 | }; | |
207 | ||
d94d9fee | 208 | struct tc_u32_pcnt { |
1da177e4 LT |
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 | 226 | enum { |
1da177e4 LT |
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 | 239 | struct tc_rsvp_gpi { |
1da177e4 LT |
240 | __u32 key; |
241 | __u32 mask; | |
242 | int offset; | |
243 | }; | |
244 | ||
d94d9fee | 245 | struct tc_rsvp_pinfo { |
1da177e4 LT |
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 | 256 | enum { |
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 | 272 | enum { |
1da177e4 LT |
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 | 286 | enum { |
1da177e4 LT |
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 | 302 | enum { |
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 | 326 | enum { |
e5dfb815 PM |
327 | FLOW_MODE_MAP, |
328 | FLOW_MODE_HASH, | |
329 | }; | |
330 | ||
d94d9fee | 331 | enum { |
e5dfb815 PM |
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 | 352 | enum { |
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 | 366 | enum { |
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 |
380 | enum { |
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 | ||
397 | enum { | |
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 | 429 | struct tcf_ematch_tree_hdr { |
1da177e4 LT |
430 | __u16 nmatches; |
431 | __u16 progid; | |
432 | }; | |
433 | ||
d94d9fee | 434 | enum { |
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 | 442 | struct 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 | 472 | enum { |
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 FW |
492 | #define TCF_EM_IPSET 8 |
493 | #define TCF_EM_MAX 8 | |
1da177e4 | 494 | |
d94d9fee | 495 | enum { |
1da177e4 LT |
496 | TCF_EM_PROG_TC |
497 | }; | |
498 | ||
d94d9fee | 499 | enum { |
1da177e4 LT |
500 | TCF_EM_OPND_EQ, |
501 | TCF_EM_OPND_GT, | |
502 | TCF_EM_OPND_LT | |
503 | }; | |
504 | ||
505 | #endif |