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[pohmelfs.git] / include / linux / pkt_cls.h
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1 #ifndef __LINUX_PKT_CLS_H
2 #define __LINUX_PKT_CLS_H
4 #include <linux/types.h>
5 #include <linux/pkt_sched.h>
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))
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))
17 /* verdict bit breakdown
19 bit 0: when set -> this packet has been munged already
21 bit 1: when set -> It is ok to munge this packet
23 bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
24 assume loop
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
31 bit 8: when set --> Request not to classify on ingress.
33 bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
36 * */
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)
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)
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))
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
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)
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))
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))
77 /* Action attributes */
78 enum {
79 TCA_ACT_UNSPEC,
80 TCA_ACT_KIND,
81 TCA_ACT_OPTIONS,
82 TCA_ACT_INDEX,
83 TCA_ACT_STATS,
84 __TCA_ACT_MAX
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
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
109 /* Action type identifiers*/
110 enum {
111 TCA_ID_UNSPEC=0,
112 TCA_ID_POLICE=1,
113 /* other actions go here */
114 __TCA_ID_MAX=255
117 #define TCA_ID_MAX __TCA_ID_MAX
119 struct tc_police {
120 __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
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;
138 struct tcf_t {
139 __u64 install;
140 __u64 lastuse;
141 __u64 expires;
144 struct tc_cnt {
145 int refcnt;
146 int bindcnt;
149 #define tc_gen \
150 __u32 index; \
151 __u32 capab; \
152 int action; \
153 int refcnt; \
154 int bindcnt
156 enum {
157 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
167 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
169 /* U32 filters */
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)
179 enum {
180 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
194 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
196 struct tc_u32_key {
197 __be32 mask;
198 __be32 val;
199 int off;
200 int offmask;
203 struct tc_u32_sel {
204 unsigned char flags;
205 unsigned char offshift;
206 unsigned char nkeys;
208 __be16 offmask;
209 __u16 off;
210 short offoff;
212 short hoff;
213 __be32 hmask;
214 struct tc_u32_key keys[0];
217 struct tc_u32_mark {
218 __u32 val;
219 __u32 mask;
220 __u32 success;
223 struct tc_u32_pcnt {
224 __u64 rcnt;
225 __u64 rhit;
226 __u64 kcnts[0];
229 /* Flags */
231 #define TC_U32_TERMINAL 1
232 #define TC_U32_OFFSET 2
233 #define TC_U32_VAROFFSET 4
234 #define TC_U32_EAT 8
236 #define TC_U32_MAXDEPTH 8
239 /* RSVP filter */
241 enum {
242 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
252 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
254 struct tc_rsvp_gpi {
255 __u32 key;
256 __u32 mask;
257 int offset;
260 struct tc_rsvp_pinfo {
261 struct tc_rsvp_gpi dpi;
262 struct tc_rsvp_gpi spi;
263 __u8 protocol;
264 __u8 tunnelid;
265 __u8 tunnelhdr;
266 __u8 pad;
269 /* ROUTE filter */
271 enum {
272 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
282 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
285 /* FW filter */
287 enum {
288 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 */
293 TCA_FW_MASK,
294 __TCA_FW_MAX
297 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
299 /* TC index filter */
301 enum {
302 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
313 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
315 /* Flow filter */
317 enum {
318 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,
334 FLOW_KEY_VLAN_TAG,
335 FLOW_KEY_RXHASH,
336 __FLOW_KEY_MAX,
339 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
341 enum {
342 FLOW_MODE_MAP,
343 FLOW_MODE_HASH,
346 enum {
347 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,
359 TCA_FLOW_PERTURB,
360 __TCA_FLOW_MAX
363 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
365 /* Basic filter */
367 enum {
368 TCA_BASIC_UNSPEC,
369 TCA_BASIC_CLASSID,
370 TCA_BASIC_EMATCHES,
371 TCA_BASIC_ACT,
372 TCA_BASIC_POLICE,
373 __TCA_BASIC_MAX
376 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
379 /* Cgroup classifier */
381 enum {
382 TCA_CGROUP_UNSPEC,
383 TCA_CGROUP_ACT,
384 TCA_CGROUP_POLICE,
385 TCA_CGROUP_EMATCHES,
386 __TCA_CGROUP_MAX,
389 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
391 /* Extended Matches */
393 struct tcf_ematch_tree_hdr {
394 __u16 nmatches;
395 __u16 progid;
398 enum {
399 TCA_EMATCH_TREE_UNSPEC,
400 TCA_EMATCH_TREE_HDR,
401 TCA_EMATCH_TREE_LIST,
402 __TCA_EMATCH_TREE_MAX
404 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
406 struct tcf_ematch_hdr {
407 __u16 matchid;
408 __u16 kind;
409 __u16 flags;
410 __u16 pad; /* currently unused */
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 * +-----------------------+-+-+---+
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
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)
433 #define TCF_EM_REL_MASK 3
434 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
436 enum {
437 TCF_LAYER_LINK,
438 TCF_LAYER_NETWORK,
439 TCF_LAYER_TRANSPORT,
440 __TCF_LAYER_MAX
442 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
444 /* Ematch type assignments
445 * 1..32767 Reserved for ematches inside kernel tree
446 * 32768..65535 Free to use, not reliable
448 #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
454 #define TCF_EM_VLAN 6
455 #define TCF_EM_MAX 6
457 enum {
458 TCF_EM_PROG_TC
461 enum {
462 TCF_EM_OPND_EQ,
463 TCF_EM_OPND_GT,
464 TCF_EM_OPND_LT
467 #endif