xref: /openbmc/linux/include/uapi/linux/pkt_cls.h (revision f7c35abe)
1 #ifndef __LINUX_PKT_CLS_H
2 #define __LINUX_PKT_CLS_H
3 
4 #include <linux/types.h>
5 #include <linux/pkt_sched.h>
6 
7 #define TC_COOKIE_MAX_SIZE 16
8 
9 /* Action attributes */
10 enum {
11 	TCA_ACT_UNSPEC,
12 	TCA_ACT_KIND,
13 	TCA_ACT_OPTIONS,
14 	TCA_ACT_INDEX,
15 	TCA_ACT_STATS,
16 	TCA_ACT_PAD,
17 	TCA_ACT_COOKIE,
18 	__TCA_ACT_MAX
19 };
20 
21 #define TCA_ACT_MAX __TCA_ACT_MAX
22 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
23 #define TCA_ACT_MAX_PRIO 32
24 #define TCA_ACT_BIND	1
25 #define TCA_ACT_NOBIND	0
26 #define TCA_ACT_UNBIND	1
27 #define TCA_ACT_NOUNBIND	0
28 #define TCA_ACT_REPLACE		1
29 #define TCA_ACT_NOREPLACE	0
30 
31 #define TC_ACT_UNSPEC	(-1)
32 #define TC_ACT_OK		0
33 #define TC_ACT_RECLASSIFY	1
34 #define TC_ACT_SHOT		2
35 #define TC_ACT_PIPE		3
36 #define TC_ACT_STOLEN		4
37 #define TC_ACT_QUEUED		5
38 #define TC_ACT_REPEAT		6
39 #define TC_ACT_REDIRECT		7
40 #define TC_ACT_JUMP		0x10000000
41 
42 /* Action type identifiers*/
43 enum {
44 	TCA_ID_UNSPEC=0,
45 	TCA_ID_POLICE=1,
46 	/* other actions go here */
47 	__TCA_ID_MAX=255
48 };
49 
50 #define TCA_ID_MAX __TCA_ID_MAX
51 
52 struct tc_police {
53 	__u32			index;
54 	int			action;
55 #define TC_POLICE_UNSPEC	TC_ACT_UNSPEC
56 #define TC_POLICE_OK		TC_ACT_OK
57 #define TC_POLICE_RECLASSIFY	TC_ACT_RECLASSIFY
58 #define TC_POLICE_SHOT		TC_ACT_SHOT
59 #define TC_POLICE_PIPE		TC_ACT_PIPE
60 
61 	__u32			limit;
62 	__u32			burst;
63 	__u32			mtu;
64 	struct tc_ratespec	rate;
65 	struct tc_ratespec	peakrate;
66 	int			refcnt;
67 	int			bindcnt;
68 	__u32			capab;
69 };
70 
71 struct tcf_t {
72 	__u64   install;
73 	__u64   lastuse;
74 	__u64   expires;
75 	__u64   firstuse;
76 };
77 
78 struct tc_cnt {
79 	int                   refcnt;
80 	int                   bindcnt;
81 };
82 
83 #define tc_gen \
84 	__u32                 index; \
85 	__u32                 capab; \
86 	int                   action; \
87 	int                   refcnt; \
88 	int                   bindcnt
89 
90 enum {
91 	TCA_POLICE_UNSPEC,
92 	TCA_POLICE_TBF,
93 	TCA_POLICE_RATE,
94 	TCA_POLICE_PEAKRATE,
95 	TCA_POLICE_AVRATE,
96 	TCA_POLICE_RESULT,
97 	TCA_POLICE_TM,
98 	TCA_POLICE_PAD,
99 	__TCA_POLICE_MAX
100 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
101 };
102 
103 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
104 
105 /* tca flags definitions */
106 #define TCA_CLS_FLAGS_SKIP_HW	(1 << 0) /* don't offload filter to HW */
107 #define TCA_CLS_FLAGS_SKIP_SW	(1 << 1) /* don't use filter in SW */
108 #define TCA_CLS_FLAGS_IN_HW	(1 << 2) /* filter is offloaded to HW */
109 #define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */
110 
111 /* U32 filters */
112 
113 #define TC_U32_HTID(h) ((h)&0xFFF00000)
114 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
115 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
116 #define TC_U32_NODE(h) ((h)&0xFFF)
117 #define TC_U32_KEY(h) ((h)&0xFFFFF)
118 #define TC_U32_UNSPEC	0
119 #define TC_U32_ROOT	(0xFFF00000)
120 
121 enum {
122 	TCA_U32_UNSPEC,
123 	TCA_U32_CLASSID,
124 	TCA_U32_HASH,
125 	TCA_U32_LINK,
126 	TCA_U32_DIVISOR,
127 	TCA_U32_SEL,
128 	TCA_U32_POLICE,
129 	TCA_U32_ACT,
130 	TCA_U32_INDEV,
131 	TCA_U32_PCNT,
132 	TCA_U32_MARK,
133 	TCA_U32_FLAGS,
134 	TCA_U32_PAD,
135 	__TCA_U32_MAX
136 };
137 
138 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
139 
140 struct tc_u32_key {
141 	__be32		mask;
142 	__be32		val;
143 	int		off;
144 	int		offmask;
145 };
146 
147 struct tc_u32_sel {
148 	unsigned char		flags;
149 	unsigned char		offshift;
150 	unsigned char		nkeys;
151 
152 	__be16			offmask;
153 	__u16			off;
154 	short			offoff;
155 
156 	short			hoff;
157 	__be32			hmask;
158 	struct tc_u32_key	keys[0];
159 };
160 
161 struct tc_u32_mark {
162 	__u32		val;
163 	__u32		mask;
164 	__u32		success;
165 };
166 
167 struct tc_u32_pcnt {
168 	__u64 rcnt;
169 	__u64 rhit;
170 	__u64 kcnts[0];
171 };
172 
173 /* Flags */
174 
175 #define TC_U32_TERMINAL		1
176 #define TC_U32_OFFSET		2
177 #define TC_U32_VAROFFSET	4
178 #define TC_U32_EAT		8
179 
180 #define TC_U32_MAXDEPTH 8
181 
182 
183 /* RSVP filter */
184 
185 enum {
186 	TCA_RSVP_UNSPEC,
187 	TCA_RSVP_CLASSID,
188 	TCA_RSVP_DST,
189 	TCA_RSVP_SRC,
190 	TCA_RSVP_PINFO,
191 	TCA_RSVP_POLICE,
192 	TCA_RSVP_ACT,
193 	__TCA_RSVP_MAX
194 };
195 
196 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
197 
198 struct tc_rsvp_gpi {
199 	__u32	key;
200 	__u32	mask;
201 	int	offset;
202 };
203 
204 struct tc_rsvp_pinfo {
205 	struct tc_rsvp_gpi dpi;
206 	struct tc_rsvp_gpi spi;
207 	__u8	protocol;
208 	__u8	tunnelid;
209 	__u8	tunnelhdr;
210 	__u8	pad;
211 };
212 
213 /* ROUTE filter */
214 
215 enum {
216 	TCA_ROUTE4_UNSPEC,
217 	TCA_ROUTE4_CLASSID,
218 	TCA_ROUTE4_TO,
219 	TCA_ROUTE4_FROM,
220 	TCA_ROUTE4_IIF,
221 	TCA_ROUTE4_POLICE,
222 	TCA_ROUTE4_ACT,
223 	__TCA_ROUTE4_MAX
224 };
225 
226 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
227 
228 
229 /* FW filter */
230 
231 enum {
232 	TCA_FW_UNSPEC,
233 	TCA_FW_CLASSID,
234 	TCA_FW_POLICE,
235 	TCA_FW_INDEV, /*  used by CONFIG_NET_CLS_IND */
236 	TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
237 	TCA_FW_MASK,
238 	__TCA_FW_MAX
239 };
240 
241 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
242 
243 /* TC index filter */
244 
245 enum {
246 	TCA_TCINDEX_UNSPEC,
247 	TCA_TCINDEX_HASH,
248 	TCA_TCINDEX_MASK,
249 	TCA_TCINDEX_SHIFT,
250 	TCA_TCINDEX_FALL_THROUGH,
251 	TCA_TCINDEX_CLASSID,
252 	TCA_TCINDEX_POLICE,
253 	TCA_TCINDEX_ACT,
254 	__TCA_TCINDEX_MAX
255 };
256 
257 #define TCA_TCINDEX_MAX     (__TCA_TCINDEX_MAX - 1)
258 
259 /* Flow filter */
260 
261 enum {
262 	FLOW_KEY_SRC,
263 	FLOW_KEY_DST,
264 	FLOW_KEY_PROTO,
265 	FLOW_KEY_PROTO_SRC,
266 	FLOW_KEY_PROTO_DST,
267 	FLOW_KEY_IIF,
268 	FLOW_KEY_PRIORITY,
269 	FLOW_KEY_MARK,
270 	FLOW_KEY_NFCT,
271 	FLOW_KEY_NFCT_SRC,
272 	FLOW_KEY_NFCT_DST,
273 	FLOW_KEY_NFCT_PROTO_SRC,
274 	FLOW_KEY_NFCT_PROTO_DST,
275 	FLOW_KEY_RTCLASSID,
276 	FLOW_KEY_SKUID,
277 	FLOW_KEY_SKGID,
278 	FLOW_KEY_VLAN_TAG,
279 	FLOW_KEY_RXHASH,
280 	__FLOW_KEY_MAX,
281 };
282 
283 #define FLOW_KEY_MAX	(__FLOW_KEY_MAX - 1)
284 
285 enum {
286 	FLOW_MODE_MAP,
287 	FLOW_MODE_HASH,
288 };
289 
290 enum {
291 	TCA_FLOW_UNSPEC,
292 	TCA_FLOW_KEYS,
293 	TCA_FLOW_MODE,
294 	TCA_FLOW_BASECLASS,
295 	TCA_FLOW_RSHIFT,
296 	TCA_FLOW_ADDEND,
297 	TCA_FLOW_MASK,
298 	TCA_FLOW_XOR,
299 	TCA_FLOW_DIVISOR,
300 	TCA_FLOW_ACT,
301 	TCA_FLOW_POLICE,
302 	TCA_FLOW_EMATCHES,
303 	TCA_FLOW_PERTURB,
304 	__TCA_FLOW_MAX
305 };
306 
307 #define TCA_FLOW_MAX	(__TCA_FLOW_MAX - 1)
308 
309 /* Basic filter */
310 
311 enum {
312 	TCA_BASIC_UNSPEC,
313 	TCA_BASIC_CLASSID,
314 	TCA_BASIC_EMATCHES,
315 	TCA_BASIC_ACT,
316 	TCA_BASIC_POLICE,
317 	__TCA_BASIC_MAX
318 };
319 
320 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
321 
322 
323 /* Cgroup classifier */
324 
325 enum {
326 	TCA_CGROUP_UNSPEC,
327 	TCA_CGROUP_ACT,
328 	TCA_CGROUP_POLICE,
329 	TCA_CGROUP_EMATCHES,
330 	__TCA_CGROUP_MAX,
331 };
332 
333 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
334 
335 /* BPF classifier */
336 
337 #define TCA_BPF_FLAG_ACT_DIRECT		(1 << 0)
338 
339 enum {
340 	TCA_BPF_UNSPEC,
341 	TCA_BPF_ACT,
342 	TCA_BPF_POLICE,
343 	TCA_BPF_CLASSID,
344 	TCA_BPF_OPS_LEN,
345 	TCA_BPF_OPS,
346 	TCA_BPF_FD,
347 	TCA_BPF_NAME,
348 	TCA_BPF_FLAGS,
349 	TCA_BPF_FLAGS_GEN,
350 	TCA_BPF_TAG,
351 	__TCA_BPF_MAX,
352 };
353 
354 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
355 
356 /* Flower classifier */
357 
358 enum {
359 	TCA_FLOWER_UNSPEC,
360 	TCA_FLOWER_CLASSID,
361 	TCA_FLOWER_INDEV,
362 	TCA_FLOWER_ACT,
363 	TCA_FLOWER_KEY_ETH_DST,		/* ETH_ALEN */
364 	TCA_FLOWER_KEY_ETH_DST_MASK,	/* ETH_ALEN */
365 	TCA_FLOWER_KEY_ETH_SRC,		/* ETH_ALEN */
366 	TCA_FLOWER_KEY_ETH_SRC_MASK,	/* ETH_ALEN */
367 	TCA_FLOWER_KEY_ETH_TYPE,	/* be16 */
368 	TCA_FLOWER_KEY_IP_PROTO,	/* u8 */
369 	TCA_FLOWER_KEY_IPV4_SRC,	/* be32 */
370 	TCA_FLOWER_KEY_IPV4_SRC_MASK,	/* be32 */
371 	TCA_FLOWER_KEY_IPV4_DST,	/* be32 */
372 	TCA_FLOWER_KEY_IPV4_DST_MASK,	/* be32 */
373 	TCA_FLOWER_KEY_IPV6_SRC,	/* struct in6_addr */
374 	TCA_FLOWER_KEY_IPV6_SRC_MASK,	/* struct in6_addr */
375 	TCA_FLOWER_KEY_IPV6_DST,	/* struct in6_addr */
376 	TCA_FLOWER_KEY_IPV6_DST_MASK,	/* struct in6_addr */
377 	TCA_FLOWER_KEY_TCP_SRC,		/* be16 */
378 	TCA_FLOWER_KEY_TCP_DST,		/* be16 */
379 	TCA_FLOWER_KEY_UDP_SRC,		/* be16 */
380 	TCA_FLOWER_KEY_UDP_DST,		/* be16 */
381 
382 	TCA_FLOWER_FLAGS,
383 	TCA_FLOWER_KEY_VLAN_ID,		/* be16 */
384 	TCA_FLOWER_KEY_VLAN_PRIO,	/* u8   */
385 	TCA_FLOWER_KEY_VLAN_ETH_TYPE,	/* be16 */
386 
387 	TCA_FLOWER_KEY_ENC_KEY_ID,	/* be32 */
388 	TCA_FLOWER_KEY_ENC_IPV4_SRC,	/* be32 */
389 	TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
390 	TCA_FLOWER_KEY_ENC_IPV4_DST,	/* be32 */
391 	TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
392 	TCA_FLOWER_KEY_ENC_IPV6_SRC,	/* struct in6_addr */
393 	TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
394 	TCA_FLOWER_KEY_ENC_IPV6_DST,	/* struct in6_addr */
395 	TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
396 
397 	TCA_FLOWER_KEY_TCP_SRC_MASK,	/* be16 */
398 	TCA_FLOWER_KEY_TCP_DST_MASK,	/* be16 */
399 	TCA_FLOWER_KEY_UDP_SRC_MASK,	/* be16 */
400 	TCA_FLOWER_KEY_UDP_DST_MASK,	/* be16 */
401 	TCA_FLOWER_KEY_SCTP_SRC_MASK,	/* be16 */
402 	TCA_FLOWER_KEY_SCTP_DST_MASK,	/* be16 */
403 
404 	TCA_FLOWER_KEY_SCTP_SRC,	/* be16 */
405 	TCA_FLOWER_KEY_SCTP_DST,	/* be16 */
406 
407 	TCA_FLOWER_KEY_ENC_UDP_SRC_PORT,	/* be16 */
408 	TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK,	/* be16 */
409 	TCA_FLOWER_KEY_ENC_UDP_DST_PORT,	/* be16 */
410 	TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK,	/* be16 */
411 
412 	TCA_FLOWER_KEY_FLAGS,		/* be32 */
413 	TCA_FLOWER_KEY_FLAGS_MASK,	/* be32 */
414 
415 	TCA_FLOWER_KEY_ICMPV4_CODE,	/* u8 */
416 	TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */
417 	TCA_FLOWER_KEY_ICMPV4_TYPE,	/* u8 */
418 	TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */
419 	TCA_FLOWER_KEY_ICMPV6_CODE,	/* u8 */
420 	TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */
421 	TCA_FLOWER_KEY_ICMPV6_TYPE,	/* u8 */
422 	TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */
423 
424 	TCA_FLOWER_KEY_ARP_SIP,		/* be32 */
425 	TCA_FLOWER_KEY_ARP_SIP_MASK,	/* be32 */
426 	TCA_FLOWER_KEY_ARP_TIP,		/* be32 */
427 	TCA_FLOWER_KEY_ARP_TIP_MASK,	/* be32 */
428 	TCA_FLOWER_KEY_ARP_OP,		/* u8 */
429 	TCA_FLOWER_KEY_ARP_OP_MASK,	/* u8 */
430 	TCA_FLOWER_KEY_ARP_SHA,		/* ETH_ALEN */
431 	TCA_FLOWER_KEY_ARP_SHA_MASK,	/* ETH_ALEN */
432 	TCA_FLOWER_KEY_ARP_THA,		/* ETH_ALEN */
433 	TCA_FLOWER_KEY_ARP_THA_MASK,	/* ETH_ALEN */
434 
435 	__TCA_FLOWER_MAX,
436 };
437 
438 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
439 
440 enum {
441 	TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
442 };
443 
444 /* Match-all classifier */
445 
446 enum {
447 	TCA_MATCHALL_UNSPEC,
448 	TCA_MATCHALL_CLASSID,
449 	TCA_MATCHALL_ACT,
450 	TCA_MATCHALL_FLAGS,
451 	__TCA_MATCHALL_MAX,
452 };
453 
454 #define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
455 
456 /* Extended Matches */
457 
458 struct tcf_ematch_tree_hdr {
459 	__u16		nmatches;
460 	__u16		progid;
461 };
462 
463 enum {
464 	TCA_EMATCH_TREE_UNSPEC,
465 	TCA_EMATCH_TREE_HDR,
466 	TCA_EMATCH_TREE_LIST,
467 	__TCA_EMATCH_TREE_MAX
468 };
469 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
470 
471 struct tcf_ematch_hdr {
472 	__u16		matchid;
473 	__u16		kind;
474 	__u16		flags;
475 	__u16		pad; /* currently unused */
476 };
477 
478 /*  0                   1
479  *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
480  * +-----------------------+-+-+---+
481  * |         Unused        |S|I| R |
482  * +-----------------------+-+-+---+
483  *
484  * R(2) ::= relation to next ematch
485  *          where: 0 0 END (last ematch)
486  *                 0 1 AND
487  *                 1 0 OR
488  *                 1 1 Unused (invalid)
489  * I(1) ::= invert result
490  * S(1) ::= simple payload
491  */
492 #define TCF_EM_REL_END	0
493 #define TCF_EM_REL_AND	(1<<0)
494 #define TCF_EM_REL_OR	(1<<1)
495 #define TCF_EM_INVERT	(1<<2)
496 #define TCF_EM_SIMPLE	(1<<3)
497 
498 #define TCF_EM_REL_MASK	3
499 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
500 
501 enum {
502 	TCF_LAYER_LINK,
503 	TCF_LAYER_NETWORK,
504 	TCF_LAYER_TRANSPORT,
505 	__TCF_LAYER_MAX
506 };
507 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
508 
509 /* Ematch type assignments
510  *   1..32767		Reserved for ematches inside kernel tree
511  *   32768..65535	Free to use, not reliable
512  */
513 #define	TCF_EM_CONTAINER	0
514 #define	TCF_EM_CMP		1
515 #define	TCF_EM_NBYTE		2
516 #define	TCF_EM_U32		3
517 #define	TCF_EM_META		4
518 #define	TCF_EM_TEXT		5
519 #define	TCF_EM_VLAN		6
520 #define	TCF_EM_CANID		7
521 #define	TCF_EM_IPSET		8
522 #define	TCF_EM_MAX		8
523 
524 enum {
525 	TCF_EM_PROG_TC
526 };
527 
528 enum {
529 	TCF_EM_OPND_EQ,
530 	TCF_EM_OPND_GT,
531 	TCF_EM_OPND_LT
532 };
533 
534 #endif
535