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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/pkt_cls.h

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  1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2 #ifndef __LINUX_PKT_CLS_H
  3 #define __LINUX_PKT_CLS_H
  4 
  5 #include <linux/types.h>
  6 #include <linux/pkt_sched.h>
  7 
  8 #define TC_COOKIE_MAX_SIZE 16
  9 
 10 /* Action attributes */
 11 enum {
 12         TCA_ACT_UNSPEC,
 13         TCA_ACT_KIND,
 14         TCA_ACT_OPTIONS,
 15         TCA_ACT_INDEX,
 16         TCA_ACT_STATS,
 17         TCA_ACT_PAD,
 18         TCA_ACT_COOKIE,
 19         __TCA_ACT_MAX
 20 };
 21 
 22 #define TCA_ACT_MAX __TCA_ACT_MAX
 23 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
 24 #define TCA_ACT_MAX_PRIO 32
 25 #define TCA_ACT_BIND    1
 26 #define TCA_ACT_NOBIND  0
 27 #define TCA_ACT_UNBIND  1
 28 #define TCA_ACT_NOUNBIND        0
 29 #define TCA_ACT_REPLACE         1
 30 #define TCA_ACT_NOREPLACE       0
 31 
 32 #define TC_ACT_UNSPEC   (-1)
 33 #define TC_ACT_OK               0
 34 #define TC_ACT_RECLASSIFY       1
 35 #define TC_ACT_SHOT             2
 36 #define TC_ACT_PIPE             3
 37 #define TC_ACT_STOLEN           4
 38 #define TC_ACT_QUEUED           5
 39 #define TC_ACT_REPEAT           6
 40 #define TC_ACT_REDIRECT         7
 41 #define TC_ACT_TRAP             8 /* For hw path, this means "trap to cpu"
 42                                    * and don't further process the frame
 43                                    * in hardware. For sw path, this is
 44                                    * equivalent of TC_ACT_STOLEN - drop
 45                                    * the skb and act like everything
 46                                    * is alright.
 47                                    */
 48 
 49 /* There is a special kind of actions called "extended actions",
 50  * which need a value parameter. These have a local opcode located in
 51  * the highest nibble, starting from 1. The rest of the bits
 52  * are used to carry the value. These two parts together make
 53  * a combined opcode.
 54  */
 55 #define __TC_ACT_EXT_SHIFT 28
 56 #define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT)
 57 #define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1)
 58 #define TC_ACT_EXT_CMP(combined, opcode) \
 59         (((combined) & (~TC_ACT_EXT_VAL_MASK)) == opcode)
 60 
 61 #define TC_ACT_JUMP __TC_ACT_EXT(1)
 62 #define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2)
 63 
 64 /* Action type identifiers*/
 65 enum {
 66         TCA_ID_UNSPEC=0,
 67         TCA_ID_POLICE=1,
 68         /* other actions go here */
 69         __TCA_ID_MAX=255
 70 };
 71 
 72 #define TCA_ID_MAX __TCA_ID_MAX
 73 
 74 struct tc_police {
 75         __u32                   index;
 76         int                     action;
 77 #define TC_POLICE_UNSPEC        TC_ACT_UNSPEC
 78 #define TC_POLICE_OK            TC_ACT_OK
 79 #define TC_POLICE_RECLASSIFY    TC_ACT_RECLASSIFY
 80 #define TC_POLICE_SHOT          TC_ACT_SHOT
 81 #define TC_POLICE_PIPE          TC_ACT_PIPE
 82 
 83         __u32                   limit;
 84         __u32                   burst;
 85         __u32                   mtu;
 86         struct tc_ratespec      rate;
 87         struct tc_ratespec      peakrate;
 88         int                     refcnt;
 89         int                     bindcnt;
 90         __u32                   capab;
 91 };
 92 
 93 struct tcf_t {
 94         __u64   install;
 95         __u64   lastuse;
 96         __u64   expires;
 97         __u64   firstuse;
 98 };
 99 
100 struct tc_cnt {
101         int                   refcnt;
102         int                   bindcnt;
103 };
104 
105 #define tc_gen \
106         __u32                 index; \
107         __u32                 capab; \
108         int                   action; \
109         int                   refcnt; \
110         int                   bindcnt
111 
112 enum {
113         TCA_POLICE_UNSPEC,
114         TCA_POLICE_TBF,
115         TCA_POLICE_RATE,
116         TCA_POLICE_PEAKRATE,
117         TCA_POLICE_AVRATE,
118         TCA_POLICE_RESULT,
119         TCA_POLICE_TM,
120         TCA_POLICE_PAD,
121         __TCA_POLICE_MAX
122 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
123 };
124 
125 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
126 
127 /* tca flags definitions */
128 #define TCA_CLS_FLAGS_SKIP_HW   (1 << 0) /* don't offload filter to HW */
129 #define TCA_CLS_FLAGS_SKIP_SW   (1 << 1) /* don't use filter in SW */
130 #define TCA_CLS_FLAGS_IN_HW     (1 << 2) /* filter is offloaded to HW */
131 #define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */
132 #define TCA_CLS_FLAGS_VERBOSE   (1 << 4) /* verbose logging */
133 
134 /* U32 filters */
135 
136 #define TC_U32_HTID(h) ((h)&0xFFF00000)
137 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
138 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
139 #define TC_U32_NODE(h) ((h)&0xFFF)
140 #define TC_U32_KEY(h) ((h)&0xFFFFF)
141 #define TC_U32_UNSPEC   0
142 #define TC_U32_ROOT     (0xFFF00000)
143 
144 enum {
145         TCA_U32_UNSPEC,
146         TCA_U32_CLASSID,
147         TCA_U32_HASH,
148         TCA_U32_LINK,
149         TCA_U32_DIVISOR,
150         TCA_U32_SEL,
151         TCA_U32_POLICE,
152         TCA_U32_ACT,
153         TCA_U32_INDEV,
154         TCA_U32_PCNT,
155         TCA_U32_MARK,
156         TCA_U32_FLAGS,
157         TCA_U32_PAD,
158         __TCA_U32_MAX
159 };
160 
161 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
162 
163 struct tc_u32_key {
164         __be32          mask;
165         __be32          val;
166         int             off;
167         int             offmask;
168 };
169 
170 struct tc_u32_sel {
171         unsigned char           flags;
172         unsigned char           offshift;
173         unsigned char           nkeys;
174 
175         __be16                  offmask;
176         __u16                   off;
177         short                   offoff;
178 
179         short                   hoff;
180         __be32                  hmask;
181         struct tc_u32_key       keys[0];
182 };
183 
184 struct tc_u32_mark {
185         __u32           val;
186         __u32           mask;
187         __u32           success;
188 };
189 
190 struct tc_u32_pcnt {
191         __u64 rcnt;
192         __u64 rhit;
193         __u64 kcnts[0];
194 };
195 
196 /* Flags */
197 
198 #define TC_U32_TERMINAL         1
199 #define TC_U32_OFFSET           2
200 #define TC_U32_VAROFFSET        4
201 #define TC_U32_EAT              8
202 
203 #define TC_U32_MAXDEPTH 8
204 
205 
206 /* RSVP filter */
207 
208 enum {
209         TCA_RSVP_UNSPEC,
210         TCA_RSVP_CLASSID,
211         TCA_RSVP_DST,
212         TCA_RSVP_SRC,
213         TCA_RSVP_PINFO,
214         TCA_RSVP_POLICE,
215         TCA_RSVP_ACT,
216         __TCA_RSVP_MAX
217 };
218 
219 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
220 
221 struct tc_rsvp_gpi {
222         __u32   key;
223         __u32   mask;
224         int     offset;
225 };
226 
227 struct tc_rsvp_pinfo {
228         struct tc_rsvp_gpi dpi;
229         struct tc_rsvp_gpi spi;
230         __u8    protocol;
231         __u8    tunnelid;
232         __u8    tunnelhdr;
233         __u8    pad;
234 };
235 
236 /* ROUTE filter */
237 
238 enum {
239         TCA_ROUTE4_UNSPEC,
240         TCA_ROUTE4_CLASSID,
241         TCA_ROUTE4_TO,
242         TCA_ROUTE4_FROM,
243         TCA_ROUTE4_IIF,
244         TCA_ROUTE4_POLICE,
245         TCA_ROUTE4_ACT,
246         __TCA_ROUTE4_MAX
247 };
248 
249 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
250 
251 
252 /* FW filter */
253 
254 enum {
255         TCA_FW_UNSPEC,
256         TCA_FW_CLASSID,
257         TCA_FW_POLICE,
258         TCA_FW_INDEV, /*  used by CONFIG_NET_CLS_IND */
259         TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
260         TCA_FW_MASK,
261         __TCA_FW_MAX
262 };
263 
264 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
265 
266 /* TC index filter */
267 
268 enum {
269         TCA_TCINDEX_UNSPEC,
270         TCA_TCINDEX_HASH,
271         TCA_TCINDEX_MASK,
272         TCA_TCINDEX_SHIFT,
273         TCA_TCINDEX_FALL_THROUGH,
274         TCA_TCINDEX_CLASSID,
275         TCA_TCINDEX_POLICE,
276         TCA_TCINDEX_ACT,
277         __TCA_TCINDEX_MAX
278 };
279 
280 #define TCA_TCINDEX_MAX     (__TCA_TCINDEX_MAX - 1)
281 
282 /* Flow filter */
283 
284 enum {
285         FLOW_KEY_SRC,
286         FLOW_KEY_DST,
287         FLOW_KEY_PROTO,
288         FLOW_KEY_PROTO_SRC,
289         FLOW_KEY_PROTO_DST,
290         FLOW_KEY_IIF,
291         FLOW_KEY_PRIORITY,
292         FLOW_KEY_MARK,
293         FLOW_KEY_NFCT,
294         FLOW_KEY_NFCT_SRC,
295         FLOW_KEY_NFCT_DST,
296         FLOW_KEY_NFCT_PROTO_SRC,
297         FLOW_KEY_NFCT_PROTO_DST,
298         FLOW_KEY_RTCLASSID,
299         FLOW_KEY_SKUID,
300         FLOW_KEY_SKGID,
301         FLOW_KEY_VLAN_TAG,
302         FLOW_KEY_RXHASH,
303         __FLOW_KEY_MAX,
304 };
305 
306 #define FLOW_KEY_MAX    (__FLOW_KEY_MAX - 1)
307 
308 enum {
309         FLOW_MODE_MAP,
310         FLOW_MODE_HASH,
311 };
312 
313 enum {
314         TCA_FLOW_UNSPEC,
315         TCA_FLOW_KEYS,
316         TCA_FLOW_MODE,
317         TCA_FLOW_BASECLASS,
318         TCA_FLOW_RSHIFT,
319         TCA_FLOW_ADDEND,
320         TCA_FLOW_MASK,
321         TCA_FLOW_XOR,
322         TCA_FLOW_DIVISOR,
323         TCA_FLOW_ACT,
324         TCA_FLOW_POLICE,
325         TCA_FLOW_EMATCHES,
326         TCA_FLOW_PERTURB,
327         __TCA_FLOW_MAX
328 };
329 
330 #define TCA_FLOW_MAX    (__TCA_FLOW_MAX - 1)
331 
332 /* Basic filter */
333 
334 enum {
335         TCA_BASIC_UNSPEC,
336         TCA_BASIC_CLASSID,
337         TCA_BASIC_EMATCHES,
338         TCA_BASIC_ACT,
339         TCA_BASIC_POLICE,
340         __TCA_BASIC_MAX
341 };
342 
343 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
344 
345 
346 /* Cgroup classifier */
347 
348 enum {
349         TCA_CGROUP_UNSPEC,
350         TCA_CGROUP_ACT,
351         TCA_CGROUP_POLICE,
352         TCA_CGROUP_EMATCHES,
353         __TCA_CGROUP_MAX,
354 };
355 
356 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
357 
358 /* BPF classifier */
359 
360 #define TCA_BPF_FLAG_ACT_DIRECT         (1 << 0)
361 
362 enum {
363         TCA_BPF_UNSPEC,
364         TCA_BPF_ACT,
365         TCA_BPF_POLICE,
366         TCA_BPF_CLASSID,
367         TCA_BPF_OPS_LEN,
368         TCA_BPF_OPS,
369         TCA_BPF_FD,
370         TCA_BPF_NAME,
371         TCA_BPF_FLAGS,
372         TCA_BPF_FLAGS_GEN,
373         TCA_BPF_TAG,
374         TCA_BPF_ID,
375         __TCA_BPF_MAX,
376 };
377 
378 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
379 
380 /* Flower classifier */
381 
382 enum {
383         TCA_FLOWER_UNSPEC,
384         TCA_FLOWER_CLASSID,
385         TCA_FLOWER_INDEV,
386         TCA_FLOWER_ACT,
387         TCA_FLOWER_KEY_ETH_DST,         /* ETH_ALEN */
388         TCA_FLOWER_KEY_ETH_DST_MASK,    /* ETH_ALEN */
389         TCA_FLOWER_KEY_ETH_SRC,         /* ETH_ALEN */
390         TCA_FLOWER_KEY_ETH_SRC_MASK,    /* ETH_ALEN */
391         TCA_FLOWER_KEY_ETH_TYPE,        /* be16 */
392         TCA_FLOWER_KEY_IP_PROTO,        /* u8 */
393         TCA_FLOWER_KEY_IPV4_SRC,        /* be32 */
394         TCA_FLOWER_KEY_IPV4_SRC_MASK,   /* be32 */
395         TCA_FLOWER_KEY_IPV4_DST,        /* be32 */
396         TCA_FLOWER_KEY_IPV4_DST_MASK,   /* be32 */
397         TCA_FLOWER_KEY_IPV6_SRC,        /* struct in6_addr */
398         TCA_FLOWER_KEY_IPV6_SRC_MASK,   /* struct in6_addr */
399         TCA_FLOWER_KEY_IPV6_DST,        /* struct in6_addr */
400         TCA_FLOWER_KEY_IPV6_DST_MASK,   /* struct in6_addr */
401         TCA_FLOWER_KEY_TCP_SRC,         /* be16 */
402         TCA_FLOWER_KEY_TCP_DST,         /* be16 */
403         TCA_FLOWER_KEY_UDP_SRC,         /* be16 */
404         TCA_FLOWER_KEY_UDP_DST,         /* be16 */
405 
406         TCA_FLOWER_FLAGS,
407         TCA_FLOWER_KEY_VLAN_ID,         /* be16 */
408         TCA_FLOWER_KEY_VLAN_PRIO,       /* u8   */
409         TCA_FLOWER_KEY_VLAN_ETH_TYPE,   /* be16 */
410 
411         TCA_FLOWER_KEY_ENC_KEY_ID,      /* be32 */
412         TCA_FLOWER_KEY_ENC_IPV4_SRC,    /* be32 */
413         TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
414         TCA_FLOWER_KEY_ENC_IPV4_DST,    /* be32 */
415         TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
416         TCA_FLOWER_KEY_ENC_IPV6_SRC,    /* struct in6_addr */
417         TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
418         TCA_FLOWER_KEY_ENC_IPV6_DST,    /* struct in6_addr */
419         TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
420 
421         TCA_FLOWER_KEY_TCP_SRC_MASK,    /* be16 */
422         TCA_FLOWER_KEY_TCP_DST_MASK,    /* be16 */
423         TCA_FLOWER_KEY_UDP_SRC_MASK,    /* be16 */
424         TCA_FLOWER_KEY_UDP_DST_MASK,    /* be16 */
425         TCA_FLOWER_KEY_SCTP_SRC_MASK,   /* be16 */
426         TCA_FLOWER_KEY_SCTP_DST_MASK,   /* be16 */
427 
428         TCA_FLOWER_KEY_SCTP_SRC,        /* be16 */
429         TCA_FLOWER_KEY_SCTP_DST,        /* be16 */
430 
431         TCA_FLOWER_KEY_ENC_UDP_SRC_PORT,        /* be16 */
432         TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK,   /* be16 */
433         TCA_FLOWER_KEY_ENC_UDP_DST_PORT,        /* be16 */
434         TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK,   /* be16 */
435 
436         TCA_FLOWER_KEY_FLAGS,           /* be32 */
437         TCA_FLOWER_KEY_FLAGS_MASK,      /* be32 */
438 
439         TCA_FLOWER_KEY_ICMPV4_CODE,     /* u8 */
440         TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */
441         TCA_FLOWER_KEY_ICMPV4_TYPE,     /* u8 */
442         TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */
443         TCA_FLOWER_KEY_ICMPV6_CODE,     /* u8 */
444         TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */
445         TCA_FLOWER_KEY_ICMPV6_TYPE,     /* u8 */
446         TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */
447 
448         TCA_FLOWER_KEY_ARP_SIP,         /* be32 */
449         TCA_FLOWER_KEY_ARP_SIP_MASK,    /* be32 */
450         TCA_FLOWER_KEY_ARP_TIP,         /* be32 */
451         TCA_FLOWER_KEY_ARP_TIP_MASK,    /* be32 */
452         TCA_FLOWER_KEY_ARP_OP,          /* u8 */
453         TCA_FLOWER_KEY_ARP_OP_MASK,     /* u8 */
454         TCA_FLOWER_KEY_ARP_SHA,         /* ETH_ALEN */
455         TCA_FLOWER_KEY_ARP_SHA_MASK,    /* ETH_ALEN */
456         TCA_FLOWER_KEY_ARP_THA,         /* ETH_ALEN */
457         TCA_FLOWER_KEY_ARP_THA_MASK,    /* ETH_ALEN */
458 
459         TCA_FLOWER_KEY_MPLS_TTL,        /* u8 - 8 bits */
460         TCA_FLOWER_KEY_MPLS_BOS,        /* u8 - 1 bit */
461         TCA_FLOWER_KEY_MPLS_TC,         /* u8 - 3 bits */
462         TCA_FLOWER_KEY_MPLS_LABEL,      /* be32 - 20 bits */
463 
464         TCA_FLOWER_KEY_TCP_FLAGS,       /* be16 */
465         TCA_FLOWER_KEY_TCP_FLAGS_MASK,  /* be16 */
466 
467         TCA_FLOWER_KEY_IP_TOS,          /* u8 */
468         TCA_FLOWER_KEY_IP_TOS_MASK,     /* u8 */
469         TCA_FLOWER_KEY_IP_TTL,          /* u8 */
470         TCA_FLOWER_KEY_IP_TTL_MASK,     /* u8 */
471 
472         __TCA_FLOWER_MAX,
473 };
474 
475 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
476 
477 enum {
478         TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
479         TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
480 };
481 
482 /* Match-all classifier */
483 
484 enum {
485         TCA_MATCHALL_UNSPEC,
486         TCA_MATCHALL_CLASSID,
487         TCA_MATCHALL_ACT,
488         TCA_MATCHALL_FLAGS,
489         __TCA_MATCHALL_MAX,
490 };
491 
492 #define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
493 
494 /* Extended Matches */
495 
496 struct tcf_ematch_tree_hdr {
497         __u16           nmatches;
498         __u16           progid;
499 };
500 
501 enum {
502         TCA_EMATCH_TREE_UNSPEC,
503         TCA_EMATCH_TREE_HDR,
504         TCA_EMATCH_TREE_LIST,
505         __TCA_EMATCH_TREE_MAX
506 };
507 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
508 
509 struct tcf_ematch_hdr {
510         __u16           matchid;
511         __u16           kind;
512         __u16           flags;
513         __u16           pad; /* currently unused */
514 };
515 
516 /*  0                   1
517  *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 
518  * +-----------------------+-+-+---+
519  * |         Unused        |S|I| R |
520  * +-----------------------+-+-+---+
521  *
522  * R(2) ::= relation to next ematch
523  *          where: 0 0 END (last ematch)
524  *                 0 1 AND
525  *                 1 0 OR
526  *                 1 1 Unused (invalid)
527  * I(1) ::= invert result
528  * S(1) ::= simple payload
529  */
530 #define TCF_EM_REL_END  0
531 #define TCF_EM_REL_AND  (1<<0)
532 #define TCF_EM_REL_OR   (1<<1)
533 #define TCF_EM_INVERT   (1<<2)
534 #define TCF_EM_SIMPLE   (1<<3)
535 
536 #define TCF_EM_REL_MASK 3
537 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
538 
539 enum {
540         TCF_LAYER_LINK,
541         TCF_LAYER_NETWORK,
542         TCF_LAYER_TRANSPORT,
543         __TCF_LAYER_MAX
544 };
545 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
546 
547 /* Ematch type assignments
548  *   1..32767           Reserved for ematches inside kernel tree
549  *   32768..65535       Free to use, not reliable
550  */
551 #define TCF_EM_CONTAINER        0
552 #define TCF_EM_CMP              1
553 #define TCF_EM_NBYTE            2
554 #define TCF_EM_U32              3
555 #define TCF_EM_META             4
556 #define TCF_EM_TEXT             5
557 #define TCF_EM_VLAN             6
558 #define TCF_EM_CANID            7
559 #define TCF_EM_IPSET            8
560 #define TCF_EM_IPT              9
561 #define TCF_EM_MAX              9
562 
563 enum {
564         TCF_EM_PROG_TC
565 };
566 
567 enum {
568         TCF_EM_OPND_EQ,
569         TCF_EM_OPND_GT,
570         TCF_EM_OPND_LT
571 };
572 
573 #endif
574 

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