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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 | ||
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 | * | |
19 | bit 0: when set -> this packet has been munged already | |
20 | ||
21 | bit 1: when set -> It is ok to munge this packet | |
22 | ||
23 | bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded | |
24 | assume loop | |
25 | ||
26 | bit 6,7: Where this packet was last seen | |
27 | 0: Above the transmit example at the socket level | |
28 | 1: on the Ingress | |
29 | 2: on the Egress | |
30 | ||
31 | bit 8: when set --> Request not to classify on ingress. | |
32 | ||
33 | bits 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 */ | |
78 | enum | |
79 | { | |
80 | TCA_ACT_UNSPEC, | |
81 | TCA_ACT_KIND, | |
82 | TCA_ACT_OPTIONS, | |
83 | TCA_ACT_INDEX, | |
84 | TCA_ACT_STATS, | |
85 | __TCA_ACT_MAX | |
86 | }; | |
87 | ||
88 | #define TCA_ACT_MAX __TCA_ACT_MAX | |
89 | #define TCA_OLD_COMPAT (TCA_ACT_MAX+1) | |
90 | #define TCA_ACT_MAX_PRIO 32 | |
91 | #define TCA_ACT_BIND 1 | |
92 | #define TCA_ACT_NOBIND 0 | |
93 | #define TCA_ACT_UNBIND 1 | |
94 | #define TCA_ACT_NOUNBIND 0 | |
95 | #define TCA_ACT_REPLACE 1 | |
96 | #define TCA_ACT_NOREPLACE 0 | |
97 | #define MAX_REC_LOOP 4 | |
98 | #define MAX_RED_LOOP 4 | |
99 | ||
100 | #define TC_ACT_UNSPEC (-1) | |
101 | #define TC_ACT_OK 0 | |
102 | #define TC_ACT_RECLASSIFY 1 | |
103 | #define TC_ACT_SHOT 2 | |
104 | #define TC_ACT_PIPE 3 | |
105 | #define TC_ACT_STOLEN 4 | |
106 | #define TC_ACT_QUEUED 5 | |
107 | #define TC_ACT_REPEAT 6 | |
108 | #define TC_ACT_JUMP 0x10000000 | |
109 | ||
110 | /* Action type identifiers*/ | |
111 | enum | |
112 | { | |
113 | TCA_ID_UNSPEC=0, | |
114 | TCA_ID_POLICE=1, | |
115 | /* other actions go here */ | |
116 | __TCA_ID_MAX=255 | |
117 | }; | |
118 | ||
119 | #define TCA_ID_MAX __TCA_ID_MAX | |
120 | ||
121 | struct tc_police | |
122 | { | |
123 | __u32 index; | |
124 | int action; | |
125 | #define TC_POLICE_UNSPEC TC_ACT_UNSPEC | |
126 | #define TC_POLICE_OK TC_ACT_OK | |
127 | #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY | |
128 | #define TC_POLICE_SHOT TC_ACT_SHOT | |
129 | #define TC_POLICE_PIPE TC_ACT_PIPE | |
130 | ||
131 | __u32 limit; | |
132 | __u32 burst; | |
133 | __u32 mtu; | |
134 | struct tc_ratespec rate; | |
135 | struct tc_ratespec peakrate; | |
136 | int refcnt; | |
137 | int bindcnt; | |
138 | __u32 capab; | |
139 | }; | |
140 | ||
141 | struct tcf_t | |
142 | { | |
143 | __u64 install; | |
144 | __u64 lastuse; | |
145 | __u64 expires; | |
146 | }; | |
147 | ||
148 | struct tc_cnt | |
149 | { | |
150 | int refcnt; | |
151 | int bindcnt; | |
152 | }; | |
153 | ||
154 | #define tc_gen \ | |
155 | __u32 index; \ | |
156 | __u32 capab; \ | |
157 | int action; \ | |
158 | int refcnt; \ | |
159 | int bindcnt | |
160 | ||
161 | enum | |
162 | { | |
163 | TCA_POLICE_UNSPEC, | |
164 | TCA_POLICE_TBF, | |
165 | TCA_POLICE_RATE, | |
166 | TCA_POLICE_PEAKRATE, | |
167 | TCA_POLICE_AVRATE, | |
168 | TCA_POLICE_RESULT, | |
169 | __TCA_POLICE_MAX | |
170 | #define TCA_POLICE_RESULT TCA_POLICE_RESULT | |
171 | }; | |
172 | ||
173 | #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1) | |
174 | ||
175 | /* U32 filters */ | |
176 | ||
177 | #define TC_U32_HTID(h) ((h)&0xFFF00000) | |
178 | #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20) | |
179 | #define TC_U32_HASH(h) (((h)>>12)&0xFF) | |
180 | #define TC_U32_NODE(h) ((h)&0xFFF) | |
181 | #define TC_U32_KEY(h) ((h)&0xFFFFF) | |
182 | #define TC_U32_UNSPEC 0 | |
183 | #define TC_U32_ROOT (0xFFF00000) | |
184 | ||
185 | enum | |
186 | { | |
187 | TCA_U32_UNSPEC, | |
188 | TCA_U32_CLASSID, | |
189 | TCA_U32_HASH, | |
190 | TCA_U32_LINK, | |
191 | TCA_U32_DIVISOR, | |
192 | TCA_U32_SEL, | |
193 | TCA_U32_POLICE, | |
194 | TCA_U32_ACT, | |
195 | TCA_U32_INDEV, | |
196 | TCA_U32_PCNT, | |
197 | TCA_U32_MARK, | |
198 | __TCA_U32_MAX | |
199 | }; | |
200 | ||
201 | #define TCA_U32_MAX (__TCA_U32_MAX - 1) | |
202 | ||
203 | struct tc_u32_key | |
204 | { | |
0382b9c3 AV |
205 | __be32 mask; |
206 | __be32 val; | |
1da177e4 LT |
207 | int off; |
208 | int offmask; | |
209 | }; | |
210 | ||
211 | struct tc_u32_sel | |
212 | { | |
213 | unsigned char flags; | |
214 | unsigned char offshift; | |
215 | unsigned char nkeys; | |
216 | ||
0382b9c3 | 217 | __be16 offmask; |
1da177e4 LT |
218 | __u16 off; |
219 | short offoff; | |
220 | ||
221 | short hoff; | |
0382b9c3 | 222 | __be32 hmask; |
1da177e4 LT |
223 | struct tc_u32_key keys[0]; |
224 | }; | |
225 | ||
226 | struct tc_u32_mark | |
227 | { | |
228 | __u32 val; | |
229 | __u32 mask; | |
230 | __u32 success; | |
231 | }; | |
232 | ||
233 | struct tc_u32_pcnt | |
234 | { | |
235 | __u64 rcnt; | |
236 | __u64 rhit; | |
237 | __u64 kcnts[0]; | |
238 | }; | |
239 | ||
240 | /* Flags */ | |
241 | ||
242 | #define TC_U32_TERMINAL 1 | |
243 | #define TC_U32_OFFSET 2 | |
244 | #define TC_U32_VAROFFSET 4 | |
245 | #define TC_U32_EAT 8 | |
246 | ||
247 | #define TC_U32_MAXDEPTH 8 | |
248 | ||
249 | ||
250 | /* RSVP filter */ | |
251 | ||
252 | enum | |
253 | { | |
254 | TCA_RSVP_UNSPEC, | |
255 | TCA_RSVP_CLASSID, | |
256 | TCA_RSVP_DST, | |
257 | TCA_RSVP_SRC, | |
258 | TCA_RSVP_PINFO, | |
259 | TCA_RSVP_POLICE, | |
260 | TCA_RSVP_ACT, | |
261 | __TCA_RSVP_MAX | |
262 | }; | |
263 | ||
264 | #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 ) | |
265 | ||
266 | struct tc_rsvp_gpi | |
267 | { | |
268 | __u32 key; | |
269 | __u32 mask; | |
270 | int offset; | |
271 | }; | |
272 | ||
273 | struct tc_rsvp_pinfo | |
274 | { | |
275 | struct tc_rsvp_gpi dpi; | |
276 | struct tc_rsvp_gpi spi; | |
277 | __u8 protocol; | |
278 | __u8 tunnelid; | |
279 | __u8 tunnelhdr; | |
8a47077a | 280 | __u8 pad; |
1da177e4 LT |
281 | }; |
282 | ||
283 | /* ROUTE filter */ | |
284 | ||
285 | enum | |
286 | { | |
287 | TCA_ROUTE4_UNSPEC, | |
288 | TCA_ROUTE4_CLASSID, | |
289 | TCA_ROUTE4_TO, | |
290 | TCA_ROUTE4_FROM, | |
291 | TCA_ROUTE4_IIF, | |
292 | TCA_ROUTE4_POLICE, | |
293 | TCA_ROUTE4_ACT, | |
294 | __TCA_ROUTE4_MAX | |
295 | }; | |
296 | ||
297 | #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1) | |
298 | ||
299 | ||
300 | /* FW filter */ | |
301 | ||
302 | enum | |
303 | { | |
304 | TCA_FW_UNSPEC, | |
305 | TCA_FW_CLASSID, | |
306 | TCA_FW_POLICE, | |
307 | TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */ | |
308 | TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */ | |
b4e9b520 | 309 | TCA_FW_MASK, |
1da177e4 LT |
310 | __TCA_FW_MAX |
311 | }; | |
312 | ||
313 | #define TCA_FW_MAX (__TCA_FW_MAX - 1) | |
314 | ||
315 | /* TC index filter */ | |
316 | ||
317 | enum | |
318 | { | |
319 | TCA_TCINDEX_UNSPEC, | |
320 | TCA_TCINDEX_HASH, | |
321 | TCA_TCINDEX_MASK, | |
322 | TCA_TCINDEX_SHIFT, | |
323 | TCA_TCINDEX_FALL_THROUGH, | |
324 | TCA_TCINDEX_CLASSID, | |
325 | TCA_TCINDEX_POLICE, | |
326 | TCA_TCINDEX_ACT, | |
327 | __TCA_TCINDEX_MAX | |
328 | }; | |
329 | ||
330 | #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1) | |
331 | ||
e5dfb815 PM |
332 | /* Flow filter */ |
333 | ||
334 | enum | |
335 | { | |
336 | FLOW_KEY_SRC, | |
337 | FLOW_KEY_DST, | |
338 | FLOW_KEY_PROTO, | |
339 | FLOW_KEY_PROTO_SRC, | |
340 | FLOW_KEY_PROTO_DST, | |
341 | FLOW_KEY_IIF, | |
342 | FLOW_KEY_PRIORITY, | |
343 | FLOW_KEY_MARK, | |
344 | FLOW_KEY_NFCT, | |
345 | FLOW_KEY_NFCT_SRC, | |
346 | FLOW_KEY_NFCT_DST, | |
347 | FLOW_KEY_NFCT_PROTO_SRC, | |
348 | FLOW_KEY_NFCT_PROTO_DST, | |
349 | FLOW_KEY_RTCLASSID, | |
350 | FLOW_KEY_SKUID, | |
351 | FLOW_KEY_SKGID, | |
9ec13810 | 352 | FLOW_KEY_VLAN_TAG, |
e5dfb815 PM |
353 | __FLOW_KEY_MAX, |
354 | }; | |
355 | ||
356 | #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1) | |
357 | ||
358 | enum | |
359 | { | |
360 | FLOW_MODE_MAP, | |
361 | FLOW_MODE_HASH, | |
362 | }; | |
363 | ||
364 | enum | |
365 | { | |
366 | TCA_FLOW_UNSPEC, | |
367 | TCA_FLOW_KEYS, | |
368 | TCA_FLOW_MODE, | |
369 | TCA_FLOW_BASECLASS, | |
370 | TCA_FLOW_RSHIFT, | |
371 | TCA_FLOW_ADDEND, | |
372 | TCA_FLOW_MASK, | |
373 | TCA_FLOW_XOR, | |
374 | TCA_FLOW_DIVISOR, | |
375 | TCA_FLOW_ACT, | |
376 | TCA_FLOW_POLICE, | |
377 | TCA_FLOW_EMATCHES, | |
72d9794f | 378 | TCA_FLOW_PERTURB, |
e5dfb815 PM |
379 | __TCA_FLOW_MAX |
380 | }; | |
381 | ||
382 | #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1) | |
383 | ||
1da177e4 LT |
384 | /* Basic filter */ |
385 | ||
386 | enum | |
387 | { | |
388 | TCA_BASIC_UNSPEC, | |
389 | TCA_BASIC_CLASSID, | |
390 | TCA_BASIC_EMATCHES, | |
391 | TCA_BASIC_ACT, | |
392 | TCA_BASIC_POLICE, | |
393 | __TCA_BASIC_MAX | |
394 | }; | |
395 | ||
396 | #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1) | |
397 | ||
f4009237 TG |
398 | |
399 | /* Cgroup classifier */ | |
400 | ||
401 | enum | |
402 | { | |
403 | TCA_CGROUP_UNSPEC, | |
404 | TCA_CGROUP_ACT, | |
405 | TCA_CGROUP_POLICE, | |
406 | TCA_CGROUP_EMATCHES, | |
407 | __TCA_CGROUP_MAX, | |
408 | }; | |
409 | ||
410 | #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1) | |
411 | ||
1da177e4 LT |
412 | /* Extended Matches */ |
413 | ||
414 | struct tcf_ematch_tree_hdr | |
415 | { | |
416 | __u16 nmatches; | |
417 | __u16 progid; | |
418 | }; | |
419 | ||
420 | enum | |
421 | { | |
422 | TCA_EMATCH_TREE_UNSPEC, | |
423 | TCA_EMATCH_TREE_HDR, | |
424 | TCA_EMATCH_TREE_LIST, | |
425 | __TCA_EMATCH_TREE_MAX | |
426 | }; | |
427 | #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1) | |
428 | ||
429 | struct tcf_ematch_hdr | |
430 | { | |
431 | __u16 matchid; | |
432 | __u16 kind; | |
433 | __u16 flags; | |
434 | __u16 pad; /* currently unused */ | |
435 | }; | |
436 | ||
437 | /* 0 1 | |
438 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 | |
439 | * +-----------------------+-+-+---+ | |
440 | * | Unused |S|I| R | | |
441 | * +-----------------------+-+-+---+ | |
442 | * | |
443 | * R(2) ::= relation to next ematch | |
444 | * where: 0 0 END (last ematch) | |
445 | * 0 1 AND | |
446 | * 1 0 OR | |
447 | * 1 1 Unused (invalid) | |
448 | * I(1) ::= invert result | |
449 | * S(1) ::= simple payload | |
450 | */ | |
451 | #define TCF_EM_REL_END 0 | |
452 | #define TCF_EM_REL_AND (1<<0) | |
453 | #define TCF_EM_REL_OR (1<<1) | |
454 | #define TCF_EM_INVERT (1<<2) | |
455 | #define TCF_EM_SIMPLE (1<<3) | |
456 | ||
457 | #define TCF_EM_REL_MASK 3 | |
458 | #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK) | |
459 | ||
460 | enum | |
461 | { | |
462 | TCF_LAYER_LINK, | |
463 | TCF_LAYER_NETWORK, | |
464 | TCF_LAYER_TRANSPORT, | |
465 | __TCF_LAYER_MAX | |
466 | }; | |
467 | #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1) | |
468 | ||
469 | /* Ematch type assignments | |
470 | * 1..32767 Reserved for ematches inside kernel tree | |
471 | * 32768..65535 Free to use, not reliable | |
472 | */ | |
db3d99c0 PM |
473 | #define TCF_EM_CONTAINER 0 |
474 | #define TCF_EM_CMP 1 | |
475 | #define TCF_EM_NBYTE 2 | |
476 | #define TCF_EM_U32 3 | |
477 | #define TCF_EM_META 4 | |
478 | #define TCF_EM_TEXT 5 | |
3113e88c SH |
479 | #define TCF_EM_VLAN 6 |
480 | #define TCF_EM_MAX 6 | |
1da177e4 LT |
481 | |
482 | enum | |
483 | { | |
484 | TCF_EM_PROG_TC | |
485 | }; | |
486 | ||
487 | enum | |
488 | { | |
489 | TCF_EM_OPND_EQ, | |
490 | TCF_EM_OPND_GT, | |
491 | TCF_EM_OPND_LT | |
492 | }; | |
493 | ||
494 | #endif |