Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef __NET_PKT_CLS_H |
2 | #define __NET_PKT_CLS_H | |
3 | ||
4 | #include <linux/pkt_cls.h> | |
5 | #include <net/sch_generic.h> | |
6 | #include <net/act_api.h> | |
7 | ||
8 | /* Basic packet classifier frontend definitions. */ | |
9 | ||
fd2c3ef7 | 10 | struct tcf_walker { |
1da177e4 LT |
11 | int stop; |
12 | int skip; | |
13 | int count; | |
14 | int (*fn)(struct tcf_proto *, unsigned long node, struct tcf_walker *); | |
15 | }; | |
16 | ||
5c15257f JP |
17 | int register_tcf_proto_ops(struct tcf_proto_ops *ops); |
18 | int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); | |
1da177e4 | 19 | |
8ae70032 | 20 | #ifdef CONFIG_NET_CLS |
367a8ce8 WC |
21 | struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index, |
22 | bool create); | |
5bc17018 | 23 | void tcf_chain_put(struct tcf_chain *chain); |
6529eaba JP |
24 | int tcf_block_get(struct tcf_block **p_block, |
25 | struct tcf_proto __rcu **p_filter_chain); | |
26 | void tcf_block_put(struct tcf_block *block); | |
87d83093 JP |
27 | int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, |
28 | struct tcf_result *res, bool compat_mode); | |
29 | ||
8ae70032 | 30 | #else |
6529eaba JP |
31 | static inline |
32 | int tcf_block_get(struct tcf_block **p_block, | |
33 | struct tcf_proto __rcu **p_filter_chain) | |
34 | { | |
35 | return 0; | |
36 | } | |
37 | ||
38 | static inline void tcf_block_put(struct tcf_block *block) | |
8ae70032 JP |
39 | { |
40 | } | |
87d83093 JP |
41 | |
42 | static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, | |
43 | struct tcf_result *res, bool compat_mode) | |
44 | { | |
45 | return TC_ACT_UNSPEC; | |
46 | } | |
8ae70032 | 47 | #endif |
cf1facda | 48 | |
1da177e4 LT |
49 | static inline unsigned long |
50 | __cls_set_class(unsigned long *clp, unsigned long cl) | |
51 | { | |
a0efb80c | 52 | return xchg(clp, cl); |
1da177e4 LT |
53 | } |
54 | ||
55 | static inline unsigned long | |
56 | cls_set_class(struct tcf_proto *tp, unsigned long *clp, | |
57 | unsigned long cl) | |
58 | { | |
59 | unsigned long old_cl; | |
60 | ||
61 | tcf_tree_lock(tp); | |
62 | old_cl = __cls_set_class(clp, cl); | |
63 | tcf_tree_unlock(tp); | |
64 | ||
65 | return old_cl; | |
66 | } | |
67 | ||
68 | static inline void | |
69 | tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) | |
70 | { | |
71 | unsigned long cl; | |
72 | ||
73 | cl = tp->q->ops->cl_ops->bind_tcf(tp->q, base, r->classid); | |
74 | cl = cls_set_class(tp, &r->class, cl); | |
75 | if (cl) | |
76 | tp->q->ops->cl_ops->unbind_tcf(tp->q, cl); | |
77 | } | |
78 | ||
79 | static inline void | |
80 | tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) | |
81 | { | |
82 | unsigned long cl; | |
83 | ||
84 | if ((cl = __cls_set_class(&r->class, 0)) != 0) | |
85 | tp->q->ops->cl_ops->unbind_tcf(tp->q, cl); | |
86 | } | |
87 | ||
fd2c3ef7 | 88 | struct tcf_exts { |
1da177e4 | 89 | #ifdef CONFIG_NET_CLS_ACT |
33be6271 | 90 | __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ |
22dc13c8 WC |
91 | int nr_actions; |
92 | struct tc_action **actions; | |
1da177e4 | 93 | #endif |
5da57f42 WC |
94 | /* Map to export classifier specific extension TLV types to the |
95 | * generic extensions API. Unsupported extensions must be set to 0. | |
96 | */ | |
1da177e4 LT |
97 | int action; |
98 | int police; | |
99 | }; | |
100 | ||
b9a24bb7 | 101 | static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police) |
33be6271 WC |
102 | { |
103 | #ifdef CONFIG_NET_CLS_ACT | |
5da57f42 | 104 | exts->type = 0; |
22dc13c8 WC |
105 | exts->nr_actions = 0; |
106 | exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), | |
107 | GFP_KERNEL); | |
b9a24bb7 WC |
108 | if (!exts->actions) |
109 | return -ENOMEM; | |
33be6271 | 110 | #endif |
5da57f42 WC |
111 | exts->action = action; |
112 | exts->police = police; | |
b9a24bb7 | 113 | return 0; |
33be6271 WC |
114 | } |
115 | ||
22dc13c8 WC |
116 | static inline void tcf_exts_to_list(const struct tcf_exts *exts, |
117 | struct list_head *actions) | |
118 | { | |
119 | #ifdef CONFIG_NET_CLS_ACT | |
120 | int i; | |
121 | ||
122 | for (i = 0; i < exts->nr_actions; i++) { | |
123 | struct tc_action *a = exts->actions[i]; | |
124 | ||
fa5effe7 | 125 | list_add_tail(&a->list, actions); |
22dc13c8 WC |
126 | } |
127 | #endif | |
128 | } | |
129 | ||
d897a638 JK |
130 | static inline void |
131 | tcf_exts_stats_update(const struct tcf_exts *exts, | |
132 | u64 bytes, u64 packets, u64 lastuse) | |
133 | { | |
134 | #ifdef CONFIG_NET_CLS_ACT | |
135 | int i; | |
136 | ||
137 | preempt_disable(); | |
138 | ||
139 | for (i = 0; i < exts->nr_actions; i++) { | |
140 | struct tc_action *a = exts->actions[i]; | |
141 | ||
142 | tcf_action_stats_update(a, bytes, packets, lastuse); | |
143 | } | |
144 | ||
145 | preempt_enable(); | |
146 | #endif | |
147 | } | |
148 | ||
3bcc0cec JP |
149 | /** |
150 | * tcf_exts_has_actions - check if at least one action is present | |
151 | * @exts: tc filter extensions handle | |
152 | * | |
153 | * Returns true if at least one action is present. | |
154 | */ | |
155 | static inline bool tcf_exts_has_actions(struct tcf_exts *exts) | |
156 | { | |
2734437e | 157 | #ifdef CONFIG_NET_CLS_ACT |
3bcc0cec JP |
158 | return exts->nr_actions; |
159 | #else | |
160 | return false; | |
161 | #endif | |
162 | } | |
2734437e | 163 | |
3bcc0cec JP |
164 | /** |
165 | * tcf_exts_has_one_action - check if exactly one action is present | |
166 | * @exts: tc filter extensions handle | |
167 | * | |
168 | * Returns true if exactly one action is present. | |
169 | */ | |
170 | static inline bool tcf_exts_has_one_action(struct tcf_exts *exts) | |
171 | { | |
172 | #ifdef CONFIG_NET_CLS_ACT | |
173 | return exts->nr_actions == 1; | |
174 | #else | |
175 | return false; | |
176 | #endif | |
177 | } | |
2734437e | 178 | |
af69afc5 JP |
179 | /** |
180 | * tcf_exts_exec - execute tc filter extensions | |
181 | * @skb: socket buffer | |
182 | * @exts: tc filter extensions handle | |
183 | * @res: desired result | |
184 | * | |
af089e70 | 185 | * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, |
af69afc5 JP |
186 | * a negative number if the filter must be considered unmatched or |
187 | * a positive action code (TC_ACT_*) which must be returned to the | |
188 | * underlying layer. | |
189 | */ | |
190 | static inline int | |
191 | tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, | |
192 | struct tcf_result *res) | |
193 | { | |
194 | #ifdef CONFIG_NET_CLS_ACT | |
ec1a9cca | 195 | return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); |
af69afc5 | 196 | #endif |
af089e70 | 197 | return TC_ACT_OK; |
af69afc5 JP |
198 | } |
199 | ||
5c15257f JP |
200 | int tcf_exts_validate(struct net *net, struct tcf_proto *tp, |
201 | struct nlattr **tb, struct nlattr *rate_tlv, | |
2f7ef2f8 | 202 | struct tcf_exts *exts, bool ovr); |
18d0264f | 203 | void tcf_exts_destroy(struct tcf_exts *exts); |
9b0d4446 | 204 | void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); |
5da57f42 WC |
205 | int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); |
206 | int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); | |
7091d8c7 HHZ |
207 | int tcf_exts_get_dev(struct net_device *dev, struct tcf_exts *exts, |
208 | struct net_device **hw_dev); | |
1da177e4 LT |
209 | |
210 | /** | |
211 | * struct tcf_pkt_info - packet information | |
212 | */ | |
fd2c3ef7 | 213 | struct tcf_pkt_info { |
1da177e4 LT |
214 | unsigned char * ptr; |
215 | int nexthdr; | |
216 | }; | |
217 | ||
218 | #ifdef CONFIG_NET_EMATCH | |
219 | ||
220 | struct tcf_ematch_ops; | |
221 | ||
222 | /** | |
223 | * struct tcf_ematch - extended match (ematch) | |
224 | * | |
225 | * @matchid: identifier to allow userspace to reidentify a match | |
226 | * @flags: flags specifying attributes and the relation to other matches | |
227 | * @ops: the operations lookup table of the corresponding ematch module | |
228 | * @datalen: length of the ematch specific configuration data | |
229 | * @data: ematch specific data | |
230 | */ | |
fd2c3ef7 | 231 | struct tcf_ematch { |
1da177e4 LT |
232 | struct tcf_ematch_ops * ops; |
233 | unsigned long data; | |
234 | unsigned int datalen; | |
235 | u16 matchid; | |
236 | u16 flags; | |
82a470f1 | 237 | struct net *net; |
1da177e4 LT |
238 | }; |
239 | ||
240 | static inline int tcf_em_is_container(struct tcf_ematch *em) | |
241 | { | |
242 | return !em->ops; | |
243 | } | |
244 | ||
245 | static inline int tcf_em_is_simple(struct tcf_ematch *em) | |
246 | { | |
247 | return em->flags & TCF_EM_SIMPLE; | |
248 | } | |
249 | ||
250 | static inline int tcf_em_is_inverted(struct tcf_ematch *em) | |
251 | { | |
252 | return em->flags & TCF_EM_INVERT; | |
253 | } | |
254 | ||
255 | static inline int tcf_em_last_match(struct tcf_ematch *em) | |
256 | { | |
257 | return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; | |
258 | } | |
259 | ||
260 | static inline int tcf_em_early_end(struct tcf_ematch *em, int result) | |
261 | { | |
262 | if (tcf_em_last_match(em)) | |
263 | return 1; | |
264 | ||
265 | if (result == 0 && em->flags & TCF_EM_REL_AND) | |
266 | return 1; | |
267 | ||
268 | if (result != 0 && em->flags & TCF_EM_REL_OR) | |
269 | return 1; | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
274 | /** | |
275 | * struct tcf_ematch_tree - ematch tree handle | |
276 | * | |
277 | * @hdr: ematch tree header supplied by userspace | |
278 | * @matches: array of ematches | |
279 | */ | |
fd2c3ef7 | 280 | struct tcf_ematch_tree { |
1da177e4 LT |
281 | struct tcf_ematch_tree_hdr hdr; |
282 | struct tcf_ematch * matches; | |
283 | ||
284 | }; | |
285 | ||
286 | /** | |
287 | * struct tcf_ematch_ops - ematch module operations | |
288 | * | |
289 | * @kind: identifier (kind) of this ematch module | |
290 | * @datalen: length of expected configuration data (optional) | |
291 | * @change: called during validation (optional) | |
292 | * @match: called during ematch tree evaluation, must return 1/0 | |
293 | * @destroy: called during destroyage (optional) | |
294 | * @dump: called during dumping process (optional) | |
295 | * @owner: owner, must be set to THIS_MODULE | |
296 | * @link: link to previous/next ematch module (internal use) | |
297 | */ | |
fd2c3ef7 | 298 | struct tcf_ematch_ops { |
1da177e4 LT |
299 | int kind; |
300 | int datalen; | |
82a470f1 | 301 | int (*change)(struct net *net, void *, |
1da177e4 LT |
302 | int, struct tcf_ematch *); |
303 | int (*match)(struct sk_buff *, struct tcf_ematch *, | |
304 | struct tcf_pkt_info *); | |
82a470f1 | 305 | void (*destroy)(struct tcf_ematch *); |
1da177e4 LT |
306 | int (*dump)(struct sk_buff *, struct tcf_ematch *); |
307 | struct module *owner; | |
308 | struct list_head link; | |
309 | }; | |
310 | ||
5c15257f JP |
311 | int tcf_em_register(struct tcf_ematch_ops *); |
312 | void tcf_em_unregister(struct tcf_ematch_ops *); | |
313 | int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, | |
314 | struct tcf_ematch_tree *); | |
82a470f1 | 315 | void tcf_em_tree_destroy(struct tcf_ematch_tree *); |
5c15257f JP |
316 | int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); |
317 | int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, | |
318 | struct tcf_pkt_info *); | |
1da177e4 | 319 | |
1da177e4 LT |
320 | /** |
321 | * tcf_em_tree_match - evaulate an ematch tree | |
322 | * | |
323 | * @skb: socket buffer of the packet in question | |
324 | * @tree: ematch tree to be used for evaluation | |
325 | * @info: packet information examined by classifier | |
326 | * | |
327 | * This function matches @skb against the ematch tree in @tree by going | |
328 | * through all ematches respecting their logic relations returning | |
329 | * as soon as the result is obvious. | |
330 | * | |
331 | * Returns 1 if the ematch tree as-one matches, no ematches are configured | |
332 | * or ematch is not enabled in the kernel, otherwise 0 is returned. | |
333 | */ | |
334 | static inline int tcf_em_tree_match(struct sk_buff *skb, | |
335 | struct tcf_ematch_tree *tree, | |
336 | struct tcf_pkt_info *info) | |
337 | { | |
338 | if (tree->hdr.nmatches) | |
339 | return __tcf_em_tree_match(skb, tree, info); | |
340 | else | |
341 | return 1; | |
342 | } | |
343 | ||
db3d99c0 PM |
344 | #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) |
345 | ||
1da177e4 LT |
346 | #else /* CONFIG_NET_EMATCH */ |
347 | ||
fd2c3ef7 | 348 | struct tcf_ematch_tree { |
1da177e4 LT |
349 | }; |
350 | ||
351 | #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) | |
82a470f1 | 352 | #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) |
1da177e4 | 353 | #define tcf_em_tree_dump(skb, t, tlv) (0) |
1da177e4 LT |
354 | #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) |
355 | ||
356 | #endif /* CONFIG_NET_EMATCH */ | |
357 | ||
358 | static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) | |
359 | { | |
360 | switch (layer) { | |
361 | case TCF_LAYER_LINK: | |
362 | return skb->data; | |
363 | case TCF_LAYER_NETWORK: | |
d56f90a7 | 364 | return skb_network_header(skb); |
1da177e4 | 365 | case TCF_LAYER_TRANSPORT: |
9c70220b | 366 | return skb_transport_header(skb); |
1da177e4 LT |
367 | } |
368 | ||
369 | return NULL; | |
370 | } | |
371 | ||
eddc9ec5 ACM |
372 | static inline int tcf_valid_offset(const struct sk_buff *skb, |
373 | const unsigned char *ptr, const int len) | |
1da177e4 | 374 | { |
da521b2c DM |
375 | return likely((ptr + len) <= skb_tail_pointer(skb) && |
376 | ptr >= skb->head && | |
377 | (ptr <= (ptr + len))); | |
1da177e4 LT |
378 | } |
379 | ||
380 | #ifdef CONFIG_NET_CLS_IND | |
0eeb8ffc DL |
381 | #include <net/net_namespace.h> |
382 | ||
1da177e4 | 383 | static inline int |
2519a602 | 384 | tcf_change_indev(struct net *net, struct nlattr *indev_tlv) |
1da177e4 | 385 | { |
2519a602 WC |
386 | char indev[IFNAMSIZ]; |
387 | struct net_device *dev; | |
388 | ||
add93b61 | 389 | if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) |
1da177e4 | 390 | return -EINVAL; |
2519a602 WC |
391 | dev = __dev_get_by_name(net, indev); |
392 | if (!dev) | |
393 | return -ENODEV; | |
394 | return dev->ifindex; | |
1da177e4 LT |
395 | } |
396 | ||
2519a602 WC |
397 | static inline bool |
398 | tcf_match_indev(struct sk_buff *skb, int ifindex) | |
1da177e4 | 399 | { |
2519a602 WC |
400 | if (!ifindex) |
401 | return true; | |
402 | if (!skb->skb_iif) | |
403 | return false; | |
404 | return ifindex == skb->skb_iif; | |
1da177e4 LT |
405 | } |
406 | #endif /* CONFIG_NET_CLS_IND */ | |
407 | ||
5fd9fc4e JP |
408 | struct tc_cls_common_offload { |
409 | u32 handle; | |
410 | u32 chain_index; | |
411 | __be16 protocol; | |
412 | }; | |
413 | ||
414 | static inline void | |
415 | tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common, | |
416 | const struct tcf_proto *tp) | |
417 | { | |
418 | cls_common->handle = tp->q->handle; | |
419 | cls_common->chain_index = tp->chain->index; | |
420 | cls_common->protocol = tp->protocol; | |
421 | } | |
422 | ||
a1b7c5fd JF |
423 | struct tc_cls_u32_knode { |
424 | struct tcf_exts *exts; | |
e014860e | 425 | struct tc_u32_sel *sel; |
a1b7c5fd JF |
426 | u32 handle; |
427 | u32 val; | |
428 | u32 mask; | |
429 | u32 link_handle; | |
e014860e | 430 | u8 fshift; |
a1b7c5fd JF |
431 | }; |
432 | ||
433 | struct tc_cls_u32_hnode { | |
434 | u32 handle; | |
435 | u32 prio; | |
436 | unsigned int divisor; | |
437 | }; | |
438 | ||
439 | enum tc_clsu32_command { | |
440 | TC_CLSU32_NEW_KNODE, | |
441 | TC_CLSU32_REPLACE_KNODE, | |
442 | TC_CLSU32_DELETE_KNODE, | |
443 | TC_CLSU32_NEW_HNODE, | |
444 | TC_CLSU32_REPLACE_HNODE, | |
445 | TC_CLSU32_DELETE_HNODE, | |
446 | }; | |
447 | ||
448 | struct tc_cls_u32_offload { | |
5fd9fc4e | 449 | struct tc_cls_common_offload common; |
a1b7c5fd JF |
450 | /* knode values */ |
451 | enum tc_clsu32_command command; | |
452 | union { | |
453 | struct tc_cls_u32_knode knode; | |
454 | struct tc_cls_u32_hnode hnode; | |
455 | }; | |
456 | }; | |
457 | ||
55330f05 HHZ |
458 | static inline bool tc_can_offload(const struct net_device *dev, |
459 | const struct tcf_proto *tp) | |
6843e7a2 | 460 | { |
92c075db DB |
461 | const struct Qdisc *sch = tp->q; |
462 | const struct Qdisc_class_ops *cops = sch->ops->cl_ops; | |
463 | ||
2b6ab0d3 JF |
464 | if (!(dev->features & NETIF_F_HW_TC)) |
465 | return false; | |
9e8ce79c JF |
466 | if (!dev->netdev_ops->ndo_setup_tc) |
467 | return false; | |
92c075db DB |
468 | if (cops && cops->tcf_cl_offload) |
469 | return cops->tcf_cl_offload(tp->classid); | |
9e8ce79c JF |
470 | |
471 | return true; | |
6843e7a2 JF |
472 | } |
473 | ||
55330f05 HHZ |
474 | static inline bool tc_skip_hw(u32 flags) |
475 | { | |
476 | return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; | |
477 | } | |
478 | ||
479 | static inline bool tc_should_offload(const struct net_device *dev, | |
480 | const struct tcf_proto *tp, u32 flags) | |
481 | { | |
482 | if (tc_skip_hw(flags)) | |
483 | return false; | |
484 | return tc_can_offload(dev, tp); | |
485 | } | |
486 | ||
d34e3e18 SS |
487 | static inline bool tc_skip_sw(u32 flags) |
488 | { | |
489 | return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; | |
490 | } | |
491 | ||
492 | /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ | |
493 | static inline bool tc_flags_valid(u32 flags) | |
494 | { | |
495 | if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)) | |
496 | return false; | |
497 | ||
498 | if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) | |
499 | return false; | |
500 | ||
501 | return true; | |
502 | } | |
503 | ||
e696028a OG |
504 | static inline bool tc_in_hw(u32 flags) |
505 | { | |
506 | return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; | |
507 | } | |
508 | ||
5b33f488 AV |
509 | enum tc_fl_command { |
510 | TC_CLSFLOWER_REPLACE, | |
511 | TC_CLSFLOWER_DESTROY, | |
10cbc684 | 512 | TC_CLSFLOWER_STATS, |
5b33f488 AV |
513 | }; |
514 | ||
515 | struct tc_cls_flower_offload { | |
5fd9fc4e | 516 | struct tc_cls_common_offload common; |
5b33f488 | 517 | enum tc_fl_command command; |
69ca05ce | 518 | u32 prio; |
8208d21b | 519 | unsigned long cookie; |
5b33f488 AV |
520 | struct flow_dissector *dissector; |
521 | struct fl_flow_key *mask; | |
522 | struct fl_flow_key *key; | |
523 | struct tcf_exts *exts; | |
3e0e8266 | 524 | bool egress_dev; |
5b33f488 AV |
525 | }; |
526 | ||
b87f7936 YG |
527 | enum tc_matchall_command { |
528 | TC_CLSMATCHALL_REPLACE, | |
529 | TC_CLSMATCHALL_DESTROY, | |
530 | }; | |
531 | ||
532 | struct tc_cls_matchall_offload { | |
5fd9fc4e | 533 | struct tc_cls_common_offload common; |
b87f7936 YG |
534 | enum tc_matchall_command command; |
535 | struct tcf_exts *exts; | |
536 | unsigned long cookie; | |
537 | }; | |
538 | ||
332ae8e2 JK |
539 | enum tc_clsbpf_command { |
540 | TC_CLSBPF_ADD, | |
541 | TC_CLSBPF_REPLACE, | |
542 | TC_CLSBPF_DESTROY, | |
68d64063 | 543 | TC_CLSBPF_STATS, |
332ae8e2 JK |
544 | }; |
545 | ||
546 | struct tc_cls_bpf_offload { | |
5fd9fc4e | 547 | struct tc_cls_common_offload common; |
332ae8e2 JK |
548 | enum tc_clsbpf_command command; |
549 | struct tcf_exts *exts; | |
550 | struct bpf_prog *prog; | |
551 | const char *name; | |
552 | bool exts_integrated; | |
0d01d45f | 553 | u32 gen_flags; |
332ae8e2 JK |
554 | }; |
555 | ||
1045ba77 JHS |
556 | |
557 | /* This structure holds cookie structure that is passed from user | |
558 | * to the kernel for actions and classifiers | |
559 | */ | |
560 | struct tc_cookie { | |
561 | u8 *data; | |
562 | u32 len; | |
563 | }; | |
1da177e4 | 564 | #endif |