Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef __NET_PKT_CLS_H |
3 | #define __NET_PKT_CLS_H | |
4 | ||
5 | #include <linux/pkt_cls.h> | |
7aa0045d | 6 | #include <linux/workqueue.h> |
1da177e4 LT |
7 | #include <net/sch_generic.h> |
8 | #include <net/act_api.h> | |
a5148626 | 9 | #include <net/net_namespace.h> |
1da177e4 | 10 | |
cd11b164 | 11 | /* TC action not accessible from user space */ |
720f22fe | 12 | #define TC_ACT_CONSUMED (TC_ACT_VALUE_MAX + 1) |
cd11b164 | 13 | |
1da177e4 LT |
14 | /* Basic packet classifier frontend definitions. */ |
15 | ||
fd2c3ef7 | 16 | struct tcf_walker { |
1da177e4 LT |
17 | int stop; |
18 | int skip; | |
19 | int count; | |
6676d5e4 | 20 | bool nonempty; |
01683a14 | 21 | unsigned long cookie; |
8113c095 | 22 | int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *); |
1da177e4 LT |
23 | }; |
24 | ||
5c15257f | 25 | int register_tcf_proto_ops(struct tcf_proto_ops *ops); |
bc5c8260 | 26 | void unregister_tcf_proto_ops(struct tcf_proto_ops *ops); |
b2657700 MK |
27 | #define NET_CLS_ALIAS_PREFIX "net-cls-" |
28 | #define MODULE_ALIAS_NET_CLS(kind) MODULE_ALIAS(NET_CLS_ALIAS_PREFIX kind) | |
1da177e4 | 29 | |
8c4083b3 | 30 | struct tcf_block_ext_info { |
32f8c409 | 31 | enum flow_block_binder_type binder_type; |
c7eb7d72 JP |
32 | tcf_chain_head_change_t *chain_head_change; |
33 | void *chain_head_change_priv; | |
48617387 | 34 | u32 block_index; |
8c4083b3 JP |
35 | }; |
36 | ||
3625750f PM |
37 | struct tcf_qevent { |
38 | struct tcf_block *block; | |
39 | struct tcf_block_ext_info info; | |
40 | struct tcf_proto __rcu *filter_chain; | |
41 | }; | |
42 | ||
acb67442 | 43 | struct tcf_block_cb; |
aaa908ff | 44 | bool tcf_queue_work(struct rcu_work *rwork, work_func_t func); |
acb67442 | 45 | |
8ae70032 | 46 | #ifdef CONFIG_NET_CLS |
1f3ed383 JP |
47 | struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block, |
48 | u32 chain_index); | |
1f3ed383 | 49 | void tcf_chain_put_by_act(struct tcf_chain *chain); |
bbf73830 VB |
50 | struct tcf_chain *tcf_get_next_chain(struct tcf_block *block, |
51 | struct tcf_chain *chain); | |
fe2923af | 52 | struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain, |
0fca55ed | 53 | struct tcf_proto *tp); |
f36fe1c4 | 54 | void tcf_block_netif_keep_dst(struct tcf_block *block); |
6529eaba | 55 | int tcf_block_get(struct tcf_block **p_block, |
8d1a77f9 AA |
56 | struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, |
57 | struct netlink_ext_ack *extack); | |
c7eb7d72 | 58 | int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, |
8d1a77f9 AA |
59 | struct tcf_block_ext_info *ei, |
60 | struct netlink_ext_ack *extack); | |
6529eaba | 61 | void tcf_block_put(struct tcf_block *block); |
c7eb7d72 | 62 | void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, |
8c4083b3 | 63 | struct tcf_block_ext_info *ei); |
80cd22c3 PB |
64 | int tcf_exts_init_ex(struct tcf_exts *exts, struct net *net, int action, |
65 | int police, struct tcf_proto *tp, u32 handle, bool used_action_miss); | |
44186460 | 66 | |
48617387 JP |
67 | static inline bool tcf_block_shared(struct tcf_block *block) |
68 | { | |
69 | return block->index; | |
70 | } | |
71 | ||
c1a970d0 VB |
72 | static inline bool tcf_block_non_null_shared(struct tcf_block *block) |
73 | { | |
74 | return block && block->index; | |
75 | } | |
76 | ||
047f340b AST |
77 | #ifdef CONFIG_NET_CLS_ACT |
78 | DECLARE_STATIC_KEY_FALSE(tcf_bypass_check_needed_key); | |
79 | ||
80 | static inline bool tcf_block_bypass_sw(struct tcf_block *block) | |
81 | { | |
82 | return block && block->bypass_wanted; | |
83 | } | |
84 | #endif | |
85 | ||
44186460 JP |
86 | static inline struct Qdisc *tcf_block_q(struct tcf_block *block) |
87 | { | |
48617387 | 88 | WARN_ON(tcf_block_shared(block)); |
44186460 JP |
89 | return block->q; |
90 | } | |
91 | ||
3aa26055 DC |
92 | int tcf_classify(struct sk_buff *skb, |
93 | const struct tcf_block *block, | |
94 | const struct tcf_proto *tp, struct tcf_result *res, | |
95 | bool compat_mode); | |
87d83093 | 96 | |
fe0df81d ZS |
97 | static inline bool tc_cls_stats_dump(struct tcf_proto *tp, |
98 | struct tcf_walker *arg, | |
99 | void *filter) | |
100 | { | |
101 | if (arg->count >= arg->skip && arg->fn(tp, filter, arg) < 0) { | |
102 | arg->stop = 1; | |
103 | return false; | |
104 | } | |
105 | ||
106 | arg->count++; | |
107 | return true; | |
108 | } | |
109 | ||
8ae70032 | 110 | #else |
88c44a52 PJV |
111 | static inline bool tcf_block_shared(struct tcf_block *block) |
112 | { | |
113 | return false; | |
114 | } | |
115 | ||
c1a970d0 VB |
116 | static inline bool tcf_block_non_null_shared(struct tcf_block *block) |
117 | { | |
118 | return false; | |
119 | } | |
120 | ||
6529eaba JP |
121 | static inline |
122 | int tcf_block_get(struct tcf_block **p_block, | |
3c149091 SM |
123 | struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, |
124 | struct netlink_ext_ack *extack) | |
6529eaba JP |
125 | { |
126 | return 0; | |
127 | } | |
128 | ||
8c4083b3 | 129 | static inline |
c7eb7d72 | 130 | int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, |
33c30a8b QM |
131 | struct tcf_block_ext_info *ei, |
132 | struct netlink_ext_ack *extack) | |
8c4083b3 JP |
133 | { |
134 | return 0; | |
135 | } | |
136 | ||
6529eaba | 137 | static inline void tcf_block_put(struct tcf_block *block) |
8ae70032 JP |
138 | { |
139 | } | |
87d83093 | 140 | |
8c4083b3 | 141 | static inline |
c7eb7d72 | 142 | void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, |
8c4083b3 JP |
143 | struct tcf_block_ext_info *ei) |
144 | { | |
145 | } | |
146 | ||
44186460 JP |
147 | static inline struct Qdisc *tcf_block_q(struct tcf_block *block) |
148 | { | |
149 | return NULL; | |
150 | } | |
151 | ||
3aa26055 DC |
152 | static inline int tcf_classify(struct sk_buff *skb, |
153 | const struct tcf_block *block, | |
154 | const struct tcf_proto *tp, | |
87d83093 JP |
155 | struct tcf_result *res, bool compat_mode) |
156 | { | |
157 | return TC_ACT_UNSPEC; | |
158 | } | |
9410c940 | 159 | |
8ae70032 | 160 | #endif |
cf1facda | 161 | |
1da177e4 LT |
162 | static inline unsigned long |
163 | __cls_set_class(unsigned long *clp, unsigned long cl) | |
164 | { | |
a0efb80c | 165 | return xchg(clp, cl); |
1da177e4 LT |
166 | } |
167 | ||
2e24cd75 CW |
168 | static inline void |
169 | __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base) | |
1da177e4 | 170 | { |
2e24cd75 | 171 | unsigned long cl; |
34e3759c | 172 | |
2e24cd75 CW |
173 | cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); |
174 | cl = __cls_set_class(&r->class, cl); | |
175 | if (cl) | |
176 | q->ops->cl_ops->unbind_tcf(q, cl); | |
1da177e4 LT |
177 | } |
178 | ||
179 | static inline void | |
180 | tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) | |
181 | { | |
34e3759c | 182 | struct Qdisc *q = tp->chain->block->q; |
1da177e4 | 183 | |
34e3759c JP |
184 | /* Check q as it is not set for shared blocks. In that case, |
185 | * setting class is not supported. | |
186 | */ | |
187 | if (!q) | |
188 | return; | |
2e24cd75 CW |
189 | sch_tree_lock(q); |
190 | __tcf_bind_filter(q, r, base); | |
191 | sch_tree_unlock(q); | |
192 | } | |
193 | ||
194 | static inline void | |
195 | __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r) | |
196 | { | |
197 | unsigned long cl; | |
198 | ||
199 | if ((cl = __cls_set_class(&r->class, 0)) != 0) | |
34e3759c | 200 | q->ops->cl_ops->unbind_tcf(q, cl); |
1da177e4 LT |
201 | } |
202 | ||
203 | static inline void | |
204 | tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) | |
205 | { | |
34e3759c | 206 | struct Qdisc *q = tp->chain->block->q; |
1da177e4 | 207 | |
34e3759c JP |
208 | if (!q) |
209 | return; | |
2e24cd75 | 210 | __tcf_unbind_filter(q, r); |
1da177e4 LT |
211 | } |
212 | ||
402963e3 ZS |
213 | static inline void tc_cls_bind_class(u32 classid, unsigned long cl, |
214 | void *q, struct tcf_result *res, | |
215 | unsigned long base) | |
216 | { | |
217 | if (res->classid == classid) { | |
218 | if (cl) | |
219 | __tcf_bind_filter(q, res, base); | |
220 | else | |
221 | __tcf_unbind_filter(q, res); | |
222 | } | |
223 | } | |
224 | ||
fd2c3ef7 | 225 | struct tcf_exts { |
1da177e4 | 226 | #ifdef CONFIG_NET_CLS_ACT |
33be6271 | 227 | __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ |
22dc13c8 WC |
228 | int nr_actions; |
229 | struct tc_action **actions; | |
dbdcda63 ED |
230 | struct net *net; |
231 | netns_tracker ns_tracker; | |
80cd22c3 | 232 | struct tcf_exts_miss_cookie_node *miss_cookie_node; |
1da177e4 | 233 | #endif |
5da57f42 WC |
234 | /* Map to export classifier specific extension TLV types to the |
235 | * generic extensions API. Unsupported extensions must be set to 0. | |
236 | */ | |
1da177e4 LT |
237 | int action; |
238 | int police; | |
239 | }; | |
240 | ||
14215108 CW |
241 | static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net, |
242 | int action, int police) | |
33be6271 | 243 | { |
80cd22c3 PB |
244 | #ifdef CONFIG_NET_CLS |
245 | return tcf_exts_init_ex(exts, net, action, police, NULL, 0, false); | |
246 | #else | |
247 | return -EOPNOTSUPP; | |
33be6271 WC |
248 | #endif |
249 | } | |
250 | ||
e4b95c41 CW |
251 | /* Return false if the netns is being destroyed in cleanup_net(). Callers |
252 | * need to do cleanup synchronously in this case, otherwise may race with | |
253 | * tc_action_net_exit(). Return true for other cases. | |
254 | */ | |
255 | static inline bool tcf_exts_get_net(struct tcf_exts *exts) | |
256 | { | |
257 | #ifdef CONFIG_NET_CLS_ACT | |
258 | exts->net = maybe_get_net(exts->net); | |
dbdcda63 ED |
259 | if (exts->net) |
260 | netns_tracker_alloc(exts->net, &exts->ns_tracker, GFP_KERNEL); | |
e4b95c41 CW |
261 | return exts->net != NULL; |
262 | #else | |
263 | return true; | |
264 | #endif | |
265 | } | |
266 | ||
267 | static inline void tcf_exts_put_net(struct tcf_exts *exts) | |
268 | { | |
269 | #ifdef CONFIG_NET_CLS_ACT | |
270 | if (exts->net) | |
dbdcda63 | 271 | put_net_track(exts->net, &exts->ns_tracker); |
e4b95c41 CW |
272 | #endif |
273 | } | |
274 | ||
22dc13c8 | 275 | #ifdef CONFIG_NET_CLS_ACT |
244cd96a CW |
276 | #define tcf_exts_for_each_action(i, a, exts) \ |
277 | for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++) | |
278 | #else | |
279 | #define tcf_exts_for_each_action(i, a, exts) \ | |
191672ca | 280 | for (; 0; (void)(i), (void)(a), (void)(exts)) |
22dc13c8 | 281 | #endif |
22dc13c8 | 282 | |
8cbfe939 BZ |
283 | #define tcf_act_for_each_action(i, a, actions) \ |
284 | for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++) | |
285 | ||
5246c896 OS |
286 | static inline bool tc_act_in_hw(struct tc_action *act) |
287 | { | |
288 | return !!act->in_hw_count; | |
289 | } | |
290 | ||
d897a638 | 291 | static inline void |
bcd64368 | 292 | tcf_exts_hw_stats_update(const struct tcf_exts *exts, |
5246c896 OS |
293 | struct flow_stats *stats, |
294 | bool use_act_stats) | |
d897a638 JK |
295 | { |
296 | #ifdef CONFIG_NET_CLS_ACT | |
297 | int i; | |
298 | ||
d897a638 JK |
299 | for (i = 0; i < exts->nr_actions; i++) { |
300 | struct tc_action *a = exts->actions[i]; | |
301 | ||
5246c896 OS |
302 | if (use_act_stats || tc_act_in_hw(a)) { |
303 | if (!tcf_action_update_hw_stats(a)) | |
304 | continue; | |
c7a66f8d | 305 | } |
5246c896 OS |
306 | |
307 | preempt_disable(); | |
308 | tcf_action_stats_update(a, stats->bytes, stats->pkts, stats->drops, | |
309 | stats->lastused, true); | |
310 | preempt_enable(); | |
311 | ||
312 | a->used_hw_stats = stats->used_hw_stats; | |
313 | a->used_hw_stats_valid = stats->used_hw_stats_valid; | |
c7a66f8d | 314 | } |
d897a638 JK |
315 | #endif |
316 | } | |
317 | ||
3bcc0cec JP |
318 | /** |
319 | * tcf_exts_has_actions - check if at least one action is present | |
320 | * @exts: tc filter extensions handle | |
321 | * | |
322 | * Returns true if at least one action is present. | |
323 | */ | |
324 | static inline bool tcf_exts_has_actions(struct tcf_exts *exts) | |
325 | { | |
2734437e | 326 | #ifdef CONFIG_NET_CLS_ACT |
3bcc0cec JP |
327 | return exts->nr_actions; |
328 | #else | |
329 | return false; | |
330 | #endif | |
331 | } | |
2734437e | 332 | |
af69afc5 JP |
333 | /** |
334 | * tcf_exts_exec - execute tc filter extensions | |
335 | * @skb: socket buffer | |
336 | * @exts: tc filter extensions handle | |
337 | * @res: desired result | |
338 | * | |
af089e70 | 339 | * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, |
af69afc5 JP |
340 | * a negative number if the filter must be considered unmatched or |
341 | * a positive action code (TC_ACT_*) which must be returned to the | |
342 | * underlying layer. | |
343 | */ | |
344 | static inline int | |
345 | tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, | |
346 | struct tcf_result *res) | |
347 | { | |
348 | #ifdef CONFIG_NET_CLS_ACT | |
ec1a9cca | 349 | return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); |
af69afc5 | 350 | #endif |
af089e70 | 351 | return TC_ACT_OK; |
af69afc5 JP |
352 | } |
353 | ||
80cd22c3 PB |
354 | static inline int |
355 | tcf_exts_exec_ex(struct sk_buff *skb, struct tcf_exts *exts, int act_index, | |
356 | struct tcf_result *res) | |
357 | { | |
358 | #ifdef CONFIG_NET_CLS_ACT | |
359 | return tcf_action_exec(skb, exts->actions + act_index, | |
360 | exts->nr_actions - act_index, res); | |
361 | #else | |
362 | return TC_ACT_OK; | |
363 | #endif | |
364 | } | |
365 | ||
5c15257f JP |
366 | int tcf_exts_validate(struct net *net, struct tcf_proto *tp, |
367 | struct nlattr **tb, struct nlattr *rate_tlv, | |
695176bf | 368 | struct tcf_exts *exts, u32 flags, |
50a56190 | 369 | struct netlink_ext_ack *extack); |
c86e0209 BZ |
370 | int tcf_exts_validate_ex(struct net *net, struct tcf_proto *tp, struct nlattr **tb, |
371 | struct nlattr *rate_tlv, struct tcf_exts *exts, | |
372 | u32 flags, u32 fl_flags, struct netlink_ext_ack *extack); | |
18d0264f | 373 | void tcf_exts_destroy(struct tcf_exts *exts); |
9b0d4446 | 374 | void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); |
5da57f42 | 375 | int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); |
ca44b738 | 376 | int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts); |
5da57f42 | 377 | int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); |
1da177e4 LT |
378 | |
379 | /** | |
380 | * struct tcf_pkt_info - packet information | |
0161d151 BX |
381 | * |
382 | * @ptr: start of the pkt data | |
383 | * @nexthdr: offset of the next header | |
1da177e4 | 384 | */ |
fd2c3ef7 | 385 | struct tcf_pkt_info { |
1da177e4 LT |
386 | unsigned char * ptr; |
387 | int nexthdr; | |
388 | }; | |
389 | ||
390 | #ifdef CONFIG_NET_EMATCH | |
391 | ||
392 | struct tcf_ematch_ops; | |
393 | ||
394 | /** | |
395 | * struct tcf_ematch - extended match (ematch) | |
396 | * | |
397 | * @matchid: identifier to allow userspace to reidentify a match | |
398 | * @flags: flags specifying attributes and the relation to other matches | |
399 | * @ops: the operations lookup table of the corresponding ematch module | |
400 | * @datalen: length of the ematch specific configuration data | |
401 | * @data: ematch specific data | |
0161d151 | 402 | * @net: the network namespace |
1da177e4 | 403 | */ |
fd2c3ef7 | 404 | struct tcf_ematch { |
1da177e4 LT |
405 | struct tcf_ematch_ops * ops; |
406 | unsigned long data; | |
407 | unsigned int datalen; | |
408 | u16 matchid; | |
409 | u16 flags; | |
82a470f1 | 410 | struct net *net; |
1da177e4 LT |
411 | }; |
412 | ||
413 | static inline int tcf_em_is_container(struct tcf_ematch *em) | |
414 | { | |
415 | return !em->ops; | |
416 | } | |
417 | ||
418 | static inline int tcf_em_is_simple(struct tcf_ematch *em) | |
419 | { | |
420 | return em->flags & TCF_EM_SIMPLE; | |
421 | } | |
422 | ||
423 | static inline int tcf_em_is_inverted(struct tcf_ematch *em) | |
424 | { | |
425 | return em->flags & TCF_EM_INVERT; | |
426 | } | |
427 | ||
428 | static inline int tcf_em_last_match(struct tcf_ematch *em) | |
429 | { | |
430 | return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; | |
431 | } | |
432 | ||
433 | static inline int tcf_em_early_end(struct tcf_ematch *em, int result) | |
434 | { | |
435 | if (tcf_em_last_match(em)) | |
436 | return 1; | |
437 | ||
438 | if (result == 0 && em->flags & TCF_EM_REL_AND) | |
439 | return 1; | |
440 | ||
441 | if (result != 0 && em->flags & TCF_EM_REL_OR) | |
442 | return 1; | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | /** | |
448 | * struct tcf_ematch_tree - ematch tree handle | |
449 | * | |
450 | * @hdr: ematch tree header supplied by userspace | |
451 | * @matches: array of ematches | |
452 | */ | |
fd2c3ef7 | 453 | struct tcf_ematch_tree { |
1da177e4 LT |
454 | struct tcf_ematch_tree_hdr hdr; |
455 | struct tcf_ematch * matches; | |
456 | ||
457 | }; | |
458 | ||
459 | /** | |
460 | * struct tcf_ematch_ops - ematch module operations | |
461 | * | |
462 | * @kind: identifier (kind) of this ematch module | |
463 | * @datalen: length of expected configuration data (optional) | |
464 | * @change: called during validation (optional) | |
465 | * @match: called during ematch tree evaluation, must return 1/0 | |
466 | * @destroy: called during destroyage (optional) | |
467 | * @dump: called during dumping process (optional) | |
468 | * @owner: owner, must be set to THIS_MODULE | |
469 | * @link: link to previous/next ematch module (internal use) | |
470 | */ | |
fd2c3ef7 | 471 | struct tcf_ematch_ops { |
1da177e4 LT |
472 | int kind; |
473 | int datalen; | |
82a470f1 | 474 | int (*change)(struct net *net, void *, |
1da177e4 LT |
475 | int, struct tcf_ematch *); |
476 | int (*match)(struct sk_buff *, struct tcf_ematch *, | |
477 | struct tcf_pkt_info *); | |
82a470f1 | 478 | void (*destroy)(struct tcf_ematch *); |
1da177e4 LT |
479 | int (*dump)(struct sk_buff *, struct tcf_ematch *); |
480 | struct module *owner; | |
481 | struct list_head link; | |
482 | }; | |
483 | ||
5c15257f JP |
484 | int tcf_em_register(struct tcf_ematch_ops *); |
485 | void tcf_em_unregister(struct tcf_ematch_ops *); | |
486 | int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, | |
487 | struct tcf_ematch_tree *); | |
82a470f1 | 488 | void tcf_em_tree_destroy(struct tcf_ematch_tree *); |
5c15257f JP |
489 | int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); |
490 | int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, | |
491 | struct tcf_pkt_info *); | |
1da177e4 | 492 | |
1da177e4 LT |
493 | /** |
494 | * tcf_em_tree_match - evaulate an ematch tree | |
495 | * | |
496 | * @skb: socket buffer of the packet in question | |
497 | * @tree: ematch tree to be used for evaluation | |
498 | * @info: packet information examined by classifier | |
499 | * | |
500 | * This function matches @skb against the ematch tree in @tree by going | |
501 | * through all ematches respecting their logic relations returning | |
502 | * as soon as the result is obvious. | |
503 | * | |
504 | * Returns 1 if the ematch tree as-one matches, no ematches are configured | |
505 | * or ematch is not enabled in the kernel, otherwise 0 is returned. | |
506 | */ | |
507 | static inline int tcf_em_tree_match(struct sk_buff *skb, | |
508 | struct tcf_ematch_tree *tree, | |
509 | struct tcf_pkt_info *info) | |
510 | { | |
511 | if (tree->hdr.nmatches) | |
512 | return __tcf_em_tree_match(skb, tree, info); | |
513 | else | |
514 | return 1; | |
515 | } | |
516 | ||
db3d99c0 PM |
517 | #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) |
518 | ||
1da177e4 LT |
519 | #else /* CONFIG_NET_EMATCH */ |
520 | ||
fd2c3ef7 | 521 | struct tcf_ematch_tree { |
1da177e4 LT |
522 | }; |
523 | ||
524 | #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) | |
82a470f1 | 525 | #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) |
1da177e4 | 526 | #define tcf_em_tree_dump(skb, t, tlv) (0) |
1da177e4 LT |
527 | #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) |
528 | ||
529 | #endif /* CONFIG_NET_EMATCH */ | |
530 | ||
531 | static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) | |
532 | { | |
533 | switch (layer) { | |
534 | case TCF_LAYER_LINK: | |
d3303a65 | 535 | return skb_mac_header(skb); |
1da177e4 | 536 | case TCF_LAYER_NETWORK: |
d56f90a7 | 537 | return skb_network_header(skb); |
1da177e4 | 538 | case TCF_LAYER_TRANSPORT: |
9c70220b | 539 | return skb_transport_header(skb); |
1da177e4 LT |
540 | } |
541 | ||
542 | return NULL; | |
543 | } | |
544 | ||
eddc9ec5 ACM |
545 | static inline int tcf_valid_offset(const struct sk_buff *skb, |
546 | const unsigned char *ptr, const int len) | |
1da177e4 | 547 | { |
da521b2c DM |
548 | return likely((ptr + len) <= skb_tail_pointer(skb) && |
549 | ptr >= skb->head && | |
550 | (ptr <= (ptr + len))); | |
1da177e4 LT |
551 | } |
552 | ||
1da177e4 | 553 | static inline int |
1057c55f AA |
554 | tcf_change_indev(struct net *net, struct nlattr *indev_tlv, |
555 | struct netlink_ext_ack *extack) | |
1da177e4 | 556 | { |
2519a602 WC |
557 | char indev[IFNAMSIZ]; |
558 | struct net_device *dev; | |
559 | ||
872f6903 | 560 | if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) { |
e4a58ef3 GN |
561 | NL_SET_ERR_MSG_ATTR(extack, indev_tlv, |
562 | "Interface name too long"); | |
1da177e4 | 563 | return -EINVAL; |
1057c55f | 564 | } |
2519a602 | 565 | dev = __dev_get_by_name(net, indev); |
e4a58ef3 GN |
566 | if (!dev) { |
567 | NL_SET_ERR_MSG_ATTR(extack, indev_tlv, | |
568 | "Network device not found"); | |
2519a602 | 569 | return -ENODEV; |
e4a58ef3 | 570 | } |
2519a602 | 571 | return dev->ifindex; |
1da177e4 LT |
572 | } |
573 | ||
2519a602 WC |
574 | static inline bool |
575 | tcf_match_indev(struct sk_buff *skb, int ifindex) | |
1da177e4 | 576 | { |
2519a602 WC |
577 | if (!ifindex) |
578 | return true; | |
579 | if (!skb->skb_iif) | |
580 | return false; | |
581 | return ifindex == skb->skb_iif; | |
1da177e4 | 582 | } |
1da177e4 | 583 | |
9c1c0e12 | 584 | int tc_setup_offload_action(struct flow_action *flow_action, |
c2ccf84e IS |
585 | const struct tcf_exts *exts, |
586 | struct netlink_ext_ack *extack); | |
9c1c0e12 | 587 | void tc_cleanup_offload_action(struct flow_action *flow_action); |
8cbfe939 | 588 | int tc_setup_action(struct flow_action *flow_action, |
c2ccf84e | 589 | struct tc_action *actions[], |
80cd22c3 | 590 | u32 miss_cookie_base, |
c2ccf84e | 591 | struct netlink_ext_ack *extack); |
5a6ff4b1 | 592 | |
aeb3fecd | 593 | int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type, |
40119211 VB |
594 | void *type_data, bool err_stop, bool rtnl_held); |
595 | int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp, | |
596 | enum tc_setup_type type, void *type_data, bool err_stop, | |
597 | u32 *flags, unsigned int *in_hw_count, bool rtnl_held); | |
598 | int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp, | |
599 | enum tc_setup_type type, void *type_data, bool err_stop, | |
600 | u32 *old_flags, unsigned int *old_in_hw_count, | |
601 | u32 *new_flags, unsigned int *new_in_hw_count, | |
602 | bool rtnl_held); | |
603 | int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp, | |
604 | enum tc_setup_type type, void *type_data, bool err_stop, | |
605 | u32 *flags, unsigned int *in_hw_count, bool rtnl_held); | |
606 | int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp, | |
607 | bool add, flow_setup_cb_t *cb, | |
608 | enum tc_setup_type type, void *type_data, | |
609 | void *cb_priv, u32 *flags, unsigned int *in_hw_count); | |
e3ab786b | 610 | unsigned int tcf_exts_num_actions(struct tcf_exts *exts); |
717503b9 | 611 | |
3625750f PM |
612 | #ifdef CONFIG_NET_CLS_ACT |
613 | int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch, | |
614 | enum flow_block_binder_type binder_type, | |
615 | struct nlattr *block_index_attr, | |
616 | struct netlink_ext_ack *extack); | |
617 | void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch); | |
618 | int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr, | |
619 | struct netlink_ext_ack *extack); | |
620 | struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb, | |
55f656cd | 621 | struct sk_buff **to_free, int *ret); |
3625750f PM |
622 | int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe); |
623 | #else | |
624 | static inline int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch, | |
625 | enum flow_block_binder_type binder_type, | |
626 | struct nlattr *block_index_attr, | |
627 | struct netlink_ext_ack *extack) | |
628 | { | |
629 | return 0; | |
630 | } | |
631 | ||
632 | static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch) | |
633 | { | |
634 | } | |
635 | ||
636 | static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr, | |
637 | struct netlink_ext_ack *extack) | |
638 | { | |
639 | return 0; | |
640 | } | |
641 | ||
642 | static inline struct sk_buff * | |
643 | tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb, | |
55f656cd | 644 | struct sk_buff **to_free, int *ret) |
3625750f PM |
645 | { |
646 | return skb; | |
647 | } | |
648 | ||
649 | static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe) | |
650 | { | |
651 | return 0; | |
652 | } | |
653 | #endif | |
654 | ||
a1b7c5fd JF |
655 | struct tc_cls_u32_knode { |
656 | struct tcf_exts *exts; | |
068ceb35 | 657 | struct tcf_result *res; |
e014860e | 658 | struct tc_u32_sel *sel; |
a1b7c5fd JF |
659 | u32 handle; |
660 | u32 val; | |
661 | u32 mask; | |
662 | u32 link_handle; | |
e014860e | 663 | u8 fshift; |
a1b7c5fd JF |
664 | }; |
665 | ||
666 | struct tc_cls_u32_hnode { | |
667 | u32 handle; | |
668 | u32 prio; | |
669 | unsigned int divisor; | |
670 | }; | |
671 | ||
672 | enum tc_clsu32_command { | |
673 | TC_CLSU32_NEW_KNODE, | |
674 | TC_CLSU32_REPLACE_KNODE, | |
675 | TC_CLSU32_DELETE_KNODE, | |
676 | TC_CLSU32_NEW_HNODE, | |
677 | TC_CLSU32_REPLACE_HNODE, | |
678 | TC_CLSU32_DELETE_HNODE, | |
679 | }; | |
680 | ||
681 | struct tc_cls_u32_offload { | |
f9e30088 | 682 | struct flow_cls_common_offload common; |
a1b7c5fd JF |
683 | /* knode values */ |
684 | enum tc_clsu32_command command; | |
685 | union { | |
686 | struct tc_cls_u32_knode knode; | |
687 | struct tc_cls_u32_hnode hnode; | |
688 | }; | |
689 | }; | |
690 | ||
7b06e8ae | 691 | static inline bool tc_can_offload(const struct net_device *dev) |
6843e7a2 | 692 | { |
70b5aee4 | 693 | return dev->features & NETIF_F_HW_TC; |
6843e7a2 JF |
694 | } |
695 | ||
f9eda14f QM |
696 | static inline bool tc_can_offload_extack(const struct net_device *dev, |
697 | struct netlink_ext_ack *extack) | |
698 | { | |
699 | bool can = tc_can_offload(dev); | |
700 | ||
701 | if (!can) | |
702 | NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); | |
703 | ||
704 | return can; | |
705 | } | |
706 | ||
878db9f0 JK |
707 | static inline bool |
708 | tc_cls_can_offload_and_chain0(const struct net_device *dev, | |
f9e30088 | 709 | struct flow_cls_common_offload *common) |
878db9f0 JK |
710 | { |
711 | if (!tc_can_offload_extack(dev, common->extack)) | |
712 | return false; | |
713 | if (common->chain_index) { | |
714 | NL_SET_ERR_MSG(common->extack, | |
715 | "Driver supports only offload of chain 0"); | |
716 | return false; | |
717 | } | |
718 | return true; | |
719 | } | |
720 | ||
55330f05 HHZ |
721 | static inline bool tc_skip_hw(u32 flags) |
722 | { | |
723 | return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; | |
724 | } | |
725 | ||
d34e3e18 SS |
726 | static inline bool tc_skip_sw(u32 flags) |
727 | { | |
728 | return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; | |
729 | } | |
730 | ||
731 | /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ | |
732 | static inline bool tc_flags_valid(u32 flags) | |
733 | { | |
81c7288b MRL |
734 | if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | |
735 | TCA_CLS_FLAGS_VERBOSE)) | |
d34e3e18 SS |
736 | return false; |
737 | ||
81c7288b | 738 | flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; |
d34e3e18 SS |
739 | if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) |
740 | return false; | |
741 | ||
742 | return true; | |
743 | } | |
744 | ||
e696028a OG |
745 | static inline bool tc_in_hw(u32 flags) |
746 | { | |
747 | return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; | |
748 | } | |
749 | ||
34832e1c | 750 | static inline void |
f9e30088 | 751 | tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common, |
34832e1c JK |
752 | const struct tcf_proto *tp, u32 flags, |
753 | struct netlink_ext_ack *extack) | |
754 | { | |
755 | cls_common->chain_index = tp->chain->index; | |
756 | cls_common->protocol = tp->protocol; | |
ef01adae | 757 | cls_common->prio = tp->prio >> 16; |
81c7288b | 758 | if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) |
34832e1c JK |
759 | cls_common->extack = extack; |
760 | } | |
761 | ||
9453d45e VB |
762 | #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) |
763 | static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb) | |
764 | { | |
765 | struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); | |
766 | ||
767 | if (tc_skb_ext) | |
768 | memset(tc_skb_ext, 0, sizeof(*tc_skb_ext)); | |
769 | return tc_skb_ext; | |
770 | } | |
771 | #endif | |
772 | ||
b87f7936 YG |
773 | enum tc_matchall_command { |
774 | TC_CLSMATCHALL_REPLACE, | |
775 | TC_CLSMATCHALL_DESTROY, | |
b7fe4ab8 | 776 | TC_CLSMATCHALL_STATS, |
b87f7936 YG |
777 | }; |
778 | ||
779 | struct tc_cls_matchall_offload { | |
f9e30088 | 780 | struct flow_cls_common_offload common; |
b87f7936 | 781 | enum tc_matchall_command command; |
f00cbf19 | 782 | struct flow_rule *rule; |
b7fe4ab8 | 783 | struct flow_stats stats; |
5246c896 | 784 | bool use_act_stats; |
b87f7936 YG |
785 | unsigned long cookie; |
786 | }; | |
787 | ||
332ae8e2 | 788 | enum tc_clsbpf_command { |
102740bd | 789 | TC_CLSBPF_OFFLOAD, |
68d64063 | 790 | TC_CLSBPF_STATS, |
332ae8e2 JK |
791 | }; |
792 | ||
793 | struct tc_cls_bpf_offload { | |
f9e30088 | 794 | struct flow_cls_common_offload common; |
332ae8e2 JK |
795 | enum tc_clsbpf_command command; |
796 | struct tcf_exts *exts; | |
797 | struct bpf_prog *prog; | |
102740bd | 798 | struct bpf_prog *oldprog; |
332ae8e2 JK |
799 | const char *name; |
800 | bool exts_integrated; | |
801 | }; | |
802 | ||
1045ba77 JHS |
803 | /* This structure holds cookie structure that is passed from user |
804 | * to the kernel for actions and classifiers | |
805 | */ | |
806 | struct tc_cookie { | |
807 | u8 *data; | |
808 | u32 len; | |
eec94fdb | 809 | struct rcu_head rcu; |
1045ba77 | 810 | }; |
602f3baf | 811 | |
f34b4aac | 812 | struct tc_qopt_offload_stats { |
50dc9a85 | 813 | struct gnet_stats_basic_sync *bstats; |
f34b4aac NF |
814 | struct gnet_stats_queue *qstats; |
815 | }; | |
816 | ||
f971b132 JK |
817 | enum tc_mq_command { |
818 | TC_MQ_CREATE, | |
819 | TC_MQ_DESTROY, | |
47c669a4 | 820 | TC_MQ_STATS, |
d577a3d2 JK |
821 | TC_MQ_GRAFT, |
822 | }; | |
823 | ||
824 | struct tc_mq_opt_offload_graft_params { | |
825 | unsigned long queue; | |
826 | u32 child_handle; | |
f971b132 JK |
827 | }; |
828 | ||
829 | struct tc_mq_qopt_offload { | |
830 | enum tc_mq_command command; | |
831 | u32 handle; | |
d577a3d2 JK |
832 | union { |
833 | struct tc_qopt_offload_stats stats; | |
834 | struct tc_mq_opt_offload_graft_params graft_params; | |
835 | }; | |
f971b132 JK |
836 | }; |
837 | ||
d03b195b MM |
838 | enum tc_htb_command { |
839 | /* Root */ | |
840 | TC_HTB_CREATE, /* Initialize HTB offload. */ | |
841 | TC_HTB_DESTROY, /* Destroy HTB offload. */ | |
842 | ||
843 | /* Classes */ | |
844 | /* Allocate qid and create leaf. */ | |
845 | TC_HTB_LEAF_ALLOC_QUEUE, | |
846 | /* Convert leaf to inner, preserve and return qid, create new leaf. */ | |
847 | TC_HTB_LEAF_TO_INNER, | |
848 | /* Delete leaf, while siblings remain. */ | |
849 | TC_HTB_LEAF_DEL, | |
850 | /* Delete leaf, convert parent to leaf, preserving qid. */ | |
851 | TC_HTB_LEAF_DEL_LAST, | |
852 | /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */ | |
853 | TC_HTB_LEAF_DEL_LAST_FORCE, | |
854 | /* Modify parameters of a node. */ | |
855 | TC_HTB_NODE_MODIFY, | |
856 | ||
857 | /* Class qdisc */ | |
858 | TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */ | |
859 | }; | |
860 | ||
861 | struct tc_htb_qopt_offload { | |
862 | struct netlink_ext_ack *extack; | |
863 | enum tc_htb_command command; | |
d03b195b | 864 | u32 parent_classid; |
ca49bfd9 | 865 | u16 classid; |
d03b195b | 866 | u16 qid; |
9fe63d5f | 867 | u32 quantum; |
d03b195b MM |
868 | u64 rate; |
869 | u64 ceil; | |
12e7789a | 870 | u8 prio; |
d03b195b MM |
871 | }; |
872 | ||
873 | #define TC_HTB_CLASSID_ROOT U32_MAX | |
874 | ||
602f3baf NF |
875 | enum tc_red_command { |
876 | TC_RED_REPLACE, | |
877 | TC_RED_DESTROY, | |
878 | TC_RED_STATS, | |
879 | TC_RED_XSTATS, | |
bf2a752b | 880 | TC_RED_GRAFT, |
602f3baf NF |
881 | }; |
882 | ||
883 | struct tc_red_qopt_offload_params { | |
884 | u32 min; | |
885 | u32 max; | |
886 | u32 probability; | |
c0b7490b | 887 | u32 limit; |
602f3baf | 888 | bool is_ecn; |
190852a5 | 889 | bool is_harddrop; |
0a7fad23 | 890 | bool is_nodrop; |
416ef9b1 | 891 | struct gnet_stats_queue *qstats; |
602f3baf | 892 | }; |
602f3baf NF |
893 | |
894 | struct tc_red_qopt_offload { | |
895 | enum tc_red_command command; | |
896 | u32 handle; | |
897 | u32 parent; | |
898 | union { | |
899 | struct tc_red_qopt_offload_params set; | |
f34b4aac | 900 | struct tc_qopt_offload_stats stats; |
602f3baf | 901 | struct red_stats *xstats; |
bf2a752b | 902 | u32 child_handle; |
602f3baf NF |
903 | }; |
904 | }; | |
905 | ||
890d8d23 JK |
906 | enum tc_gred_command { |
907 | TC_GRED_REPLACE, | |
908 | TC_GRED_DESTROY, | |
e49efd52 | 909 | TC_GRED_STATS, |
890d8d23 JK |
910 | }; |
911 | ||
912 | struct tc_gred_vq_qopt_offload_params { | |
913 | bool present; | |
914 | u32 limit; | |
915 | u32 prio; | |
916 | u32 min; | |
917 | u32 max; | |
918 | bool is_ecn; | |
919 | bool is_harddrop; | |
920 | u32 probability; | |
921 | /* Only need backlog, see struct tc_prio_qopt_offload_params */ | |
922 | u32 *backlog; | |
923 | }; | |
924 | ||
925 | struct tc_gred_qopt_offload_params { | |
926 | bool grio_on; | |
927 | bool wred_on; | |
928 | unsigned int dp_cnt; | |
929 | unsigned int dp_def; | |
930 | struct gnet_stats_queue *qstats; | |
931 | struct tc_gred_vq_qopt_offload_params tab[MAX_DPs]; | |
932 | }; | |
933 | ||
e49efd52 | 934 | struct tc_gred_qopt_offload_stats { |
50dc9a85 | 935 | struct gnet_stats_basic_sync bstats[MAX_DPs]; |
e49efd52 JK |
936 | struct gnet_stats_queue qstats[MAX_DPs]; |
937 | struct red_stats *xstats[MAX_DPs]; | |
938 | }; | |
939 | ||
890d8d23 JK |
940 | struct tc_gred_qopt_offload { |
941 | enum tc_gred_command command; | |
942 | u32 handle; | |
943 | u32 parent; | |
944 | union { | |
945 | struct tc_gred_qopt_offload_params set; | |
e49efd52 | 946 | struct tc_gred_qopt_offload_stats stats; |
890d8d23 JK |
947 | }; |
948 | }; | |
949 | ||
7fdb61b4 NF |
950 | enum tc_prio_command { |
951 | TC_PRIO_REPLACE, | |
952 | TC_PRIO_DESTROY, | |
953 | TC_PRIO_STATS, | |
b9c7a7ac | 954 | TC_PRIO_GRAFT, |
7fdb61b4 NF |
955 | }; |
956 | ||
957 | struct tc_prio_qopt_offload_params { | |
958 | int bands; | |
959 | u8 priomap[TC_PRIO_MAX + 1]; | |
9586a992 PM |
960 | /* At the point of un-offloading the Qdisc, the reported backlog and |
961 | * qlen need to be reduced by the portion that is in HW. | |
7fdb61b4 NF |
962 | */ |
963 | struct gnet_stats_queue *qstats; | |
964 | }; | |
965 | ||
b9c7a7ac NF |
966 | struct tc_prio_qopt_offload_graft_params { |
967 | u8 band; | |
968 | u32 child_handle; | |
969 | }; | |
970 | ||
7fdb61b4 NF |
971 | struct tc_prio_qopt_offload { |
972 | enum tc_prio_command command; | |
973 | u32 handle; | |
974 | u32 parent; | |
975 | union { | |
976 | struct tc_prio_qopt_offload_params replace_params; | |
977 | struct tc_qopt_offload_stats stats; | |
b9c7a7ac | 978 | struct tc_prio_qopt_offload_graft_params graft_params; |
7fdb61b4 NF |
979 | }; |
980 | }; | |
b9c7a7ac | 981 | |
98b0e5f6 JK |
982 | enum tc_root_command { |
983 | TC_ROOT_GRAFT, | |
984 | }; | |
985 | ||
986 | struct tc_root_qopt_offload { | |
987 | enum tc_root_command command; | |
988 | u32 handle; | |
989 | bool ingress; | |
990 | }; | |
991 | ||
d35eb52b PM |
992 | enum tc_ets_command { |
993 | TC_ETS_REPLACE, | |
994 | TC_ETS_DESTROY, | |
995 | TC_ETS_STATS, | |
996 | TC_ETS_GRAFT, | |
997 | }; | |
998 | ||
999 | struct tc_ets_qopt_offload_replace_params { | |
1000 | unsigned int bands; | |
1001 | u8 priomap[TC_PRIO_MAX + 1]; | |
1002 | unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */ | |
1003 | unsigned int weights[TCQ_ETS_MAX_BANDS]; | |
1004 | struct gnet_stats_queue *qstats; | |
1005 | }; | |
1006 | ||
1007 | struct tc_ets_qopt_offload_graft_params { | |
1008 | u8 band; | |
1009 | u32 child_handle; | |
1010 | }; | |
1011 | ||
1012 | struct tc_ets_qopt_offload { | |
1013 | enum tc_ets_command command; | |
1014 | u32 handle; | |
1015 | u32 parent; | |
1016 | union { | |
1017 | struct tc_ets_qopt_offload_replace_params replace_params; | |
1018 | struct tc_qopt_offload_stats stats; | |
1019 | struct tc_ets_qopt_offload_graft_params graft_params; | |
1020 | }; | |
1021 | }; | |
1022 | ||
ef6aadcc PM |
1023 | enum tc_tbf_command { |
1024 | TC_TBF_REPLACE, | |
1025 | TC_TBF_DESTROY, | |
1026 | TC_TBF_STATS, | |
6b3efbfa | 1027 | TC_TBF_GRAFT, |
ef6aadcc PM |
1028 | }; |
1029 | ||
1030 | struct tc_tbf_qopt_offload_replace_params { | |
1031 | struct psched_ratecfg rate; | |
1032 | u32 max_size; | |
1033 | struct gnet_stats_queue *qstats; | |
1034 | }; | |
1035 | ||
1036 | struct tc_tbf_qopt_offload { | |
1037 | enum tc_tbf_command command; | |
1038 | u32 handle; | |
1039 | u32 parent; | |
1040 | union { | |
1041 | struct tc_tbf_qopt_offload_replace_params replace_params; | |
1042 | struct tc_qopt_offload_stats stats; | |
6b3efbfa | 1043 | u32 child_handle; |
ef6aadcc PM |
1044 | }; |
1045 | }; | |
1046 | ||
aaca9408 PM |
1047 | enum tc_fifo_command { |
1048 | TC_FIFO_REPLACE, | |
1049 | TC_FIFO_DESTROY, | |
1050 | TC_FIFO_STATS, | |
1051 | }; | |
1052 | ||
1053 | struct tc_fifo_qopt_offload { | |
1054 | enum tc_fifo_command command; | |
1055 | u32 handle; | |
1056 | u32 parent; | |
1057 | union { | |
1058 | struct tc_qopt_offload_stats stats; | |
1059 | }; | |
1060 | }; | |
1061 | ||
35d39fec PB |
1062 | #ifdef CONFIG_NET_CLS_ACT |
1063 | DECLARE_STATIC_KEY_FALSE(tc_skb_ext_tc); | |
1064 | void tc_skb_ext_tc_enable(void); | |
1065 | void tc_skb_ext_tc_disable(void); | |
1066 | #define tc_skb_ext_tc_enabled() static_branch_unlikely(&tc_skb_ext_tc) | |
1067 | #else /* CONFIG_NET_CLS_ACT */ | |
1068 | static inline void tc_skb_ext_tc_enable(void) { } | |
1069 | static inline void tc_skb_ext_tc_disable(void) { } | |
1070 | #define tc_skb_ext_tc_enabled() false | |
1071 | #endif | |
1072 | ||
1da177e4 | 1073 | #endif |