1
2#ifndef __NET_PKT_CLS_H
3#define __NET_PKT_CLS_H
4
5#include <linux/pkt_cls.h>
6#include <linux/workqueue.h>
7#include <net/sch_generic.h>
8#include <net/act_api.h>
9#include <net/net_namespace.h>
10
11
12#define TC_ACT_CONSUMED (TC_ACT_VALUE_MAX + 1)
13
14
15
16struct tcf_walker {
17 int stop;
18 int skip;
19 int count;
20 bool nonempty;
21 unsigned long cookie;
22 int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *);
23};
24
25int register_tcf_proto_ops(struct tcf_proto_ops *ops);
26int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
27
28struct tcf_block_ext_info {
29 enum flow_block_binder_type binder_type;
30 tcf_chain_head_change_t *chain_head_change;
31 void *chain_head_change_priv;
32 u32 block_index;
33};
34
35struct tcf_qevent {
36 struct tcf_block *block;
37 struct tcf_block_ext_info info;
38 struct tcf_proto __rcu *filter_chain;
39};
40
41struct tcf_block_cb;
42bool tcf_queue_work(struct rcu_work *rwork, work_func_t func);
43
44#ifdef CONFIG_NET_CLS
45struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block,
46 u32 chain_index);
47void tcf_chain_put_by_act(struct tcf_chain *chain);
48struct tcf_chain *tcf_get_next_chain(struct tcf_block *block,
49 struct tcf_chain *chain);
50struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain,
51 struct tcf_proto *tp);
52void tcf_block_netif_keep_dst(struct tcf_block *block);
53int tcf_block_get(struct tcf_block **p_block,
54 struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
55 struct netlink_ext_ack *extack);
56int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
57 struct tcf_block_ext_info *ei,
58 struct netlink_ext_ack *extack);
59void tcf_block_put(struct tcf_block *block);
60void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
61 struct tcf_block_ext_info *ei);
62
63static inline bool tcf_block_shared(struct tcf_block *block)
64{
65 return block->index;
66}
67
68static inline bool tcf_block_non_null_shared(struct tcf_block *block)
69{
70 return block && block->index;
71}
72
73static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
74{
75 WARN_ON(tcf_block_shared(block));
76 return block->q;
77}
78
79int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
80 struct tcf_result *res, bool compat_mode);
81int tcf_classify_ingress(struct sk_buff *skb,
82 const struct tcf_block *ingress_block,
83 const struct tcf_proto *tp, struct tcf_result *res,
84 bool compat_mode);
85
86#else
87static inline bool tcf_block_shared(struct tcf_block *block)
88{
89 return false;
90}
91
92static inline bool tcf_block_non_null_shared(struct tcf_block *block)
93{
94 return false;
95}
96
97static inline
98int tcf_block_get(struct tcf_block **p_block,
99 struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
100 struct netlink_ext_ack *extack)
101{
102 return 0;
103}
104
105static inline
106int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
107 struct tcf_block_ext_info *ei,
108 struct netlink_ext_ack *extack)
109{
110 return 0;
111}
112
113static inline void tcf_block_put(struct tcf_block *block)
114{
115}
116
117static inline
118void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
119 struct tcf_block_ext_info *ei)
120{
121}
122
123static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
124{
125 return NULL;
126}
127
128static inline
129int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb,
130 void *cb_priv)
131{
132 return 0;
133}
134
135static inline
136void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb,
137 void *cb_priv)
138{
139}
140
141static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
142 struct tcf_result *res, bool compat_mode)
143{
144 return TC_ACT_UNSPEC;
145}
146
147static inline int tcf_classify_ingress(struct sk_buff *skb,
148 const struct tcf_block *ingress_block,
149 const struct tcf_proto *tp,
150 struct tcf_result *res, bool compat_mode)
151{
152 return TC_ACT_UNSPEC;
153}
154
155#endif
156
157static inline unsigned long
158__cls_set_class(unsigned long *clp, unsigned long cl)
159{
160 return xchg(clp, cl);
161}
162
163static inline void
164__tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base)
165{
166 unsigned long cl;
167
168 cl = q->ops->cl_ops->bind_tcf(q, base, r->classid);
169 cl = __cls_set_class(&r->class, cl);
170 if (cl)
171 q->ops->cl_ops->unbind_tcf(q, cl);
172}
173
174static inline void
175tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base)
176{
177 struct Qdisc *q = tp->chain->block->q;
178
179
180
181
182 if (!q)
183 return;
184 sch_tree_lock(q);
185 __tcf_bind_filter(q, r, base);
186 sch_tree_unlock(q);
187}
188
189static inline void
190__tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r)
191{
192 unsigned long cl;
193
194 if ((cl = __cls_set_class(&r->class, 0)) != 0)
195 q->ops->cl_ops->unbind_tcf(q, cl);
196}
197
198static inline void
199tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r)
200{
201 struct Qdisc *q = tp->chain->block->q;
202
203 if (!q)
204 return;
205 __tcf_unbind_filter(q, r);
206}
207
208struct tcf_exts {
209#ifdef CONFIG_NET_CLS_ACT
210 __u32 type;
211 int nr_actions;
212 struct tc_action **actions;
213 struct net *net;
214#endif
215
216
217
218 int action;
219 int police;
220};
221
222static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
223 int action, int police)
224{
225#ifdef CONFIG_NET_CLS_ACT
226 exts->type = 0;
227 exts->nr_actions = 0;
228 exts->net = net;
229 exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *),
230 GFP_KERNEL);
231 if (!exts->actions)
232 return -ENOMEM;
233#endif
234 exts->action = action;
235 exts->police = police;
236 return 0;
237}
238
239
240
241
242
243static inline bool tcf_exts_get_net(struct tcf_exts *exts)
244{
245#ifdef CONFIG_NET_CLS_ACT
246 exts->net = maybe_get_net(exts->net);
247 return exts->net != NULL;
248#else
249 return true;
250#endif
251}
252
253static inline void tcf_exts_put_net(struct tcf_exts *exts)
254{
255#ifdef CONFIG_NET_CLS_ACT
256 if (exts->net)
257 put_net(exts->net);
258#endif
259}
260
261#ifdef CONFIG_NET_CLS_ACT
262#define tcf_exts_for_each_action(i, a, exts) \
263 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
264#else
265#define tcf_exts_for_each_action(i, a, exts) \
266 for (; 0; (void)(i), (void)(a), (void)(exts))
267#endif
268
269static inline void
270tcf_exts_stats_update(const struct tcf_exts *exts,
271 u64 bytes, u64 packets, u64 drops, u64 lastuse,
272 u8 used_hw_stats, bool used_hw_stats_valid)
273{
274#ifdef CONFIG_NET_CLS_ACT
275 int i;
276
277 preempt_disable();
278
279 for (i = 0; i < exts->nr_actions; i++) {
280 struct tc_action *a = exts->actions[i];
281
282 tcf_action_stats_update(a, bytes, packets, drops,
283 lastuse, true);
284 a->used_hw_stats = used_hw_stats;
285 a->used_hw_stats_valid = used_hw_stats_valid;
286 }
287
288 preempt_enable();
289#endif
290}
291
292
293
294
295
296
297
298static inline bool tcf_exts_has_actions(struct tcf_exts *exts)
299{
300#ifdef CONFIG_NET_CLS_ACT
301 return exts->nr_actions;
302#else
303 return false;
304#endif
305}
306
307
308
309
310
311
312
313
314
315
316
317
318static inline int
319tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
320 struct tcf_result *res)
321{
322#ifdef CONFIG_NET_CLS_ACT
323 return tcf_action_exec(skb, exts->actions, exts->nr_actions, res);
324#endif
325 return TC_ACT_OK;
326}
327
328int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
329 struct nlattr **tb, struct nlattr *rate_tlv,
330 struct tcf_exts *exts, bool ovr, bool rtnl_held,
331 struct netlink_ext_ack *extack);
332void tcf_exts_destroy(struct tcf_exts *exts);
333void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
334int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
335int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
336int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
337
338
339
340
341
342
343
344struct tcf_pkt_info {
345 unsigned char * ptr;
346 int nexthdr;
347};
348
349#ifdef CONFIG_NET_EMATCH
350
351struct tcf_ematch_ops;
352
353
354
355
356
357
358
359
360
361
362
363struct tcf_ematch {
364 struct tcf_ematch_ops * ops;
365 unsigned long data;
366 unsigned int datalen;
367 u16 matchid;
368 u16 flags;
369 struct net *net;
370};
371
372static inline int tcf_em_is_container(struct tcf_ematch *em)
373{
374 return !em->ops;
375}
376
377static inline int tcf_em_is_simple(struct tcf_ematch *em)
378{
379 return em->flags & TCF_EM_SIMPLE;
380}
381
382static inline int tcf_em_is_inverted(struct tcf_ematch *em)
383{
384 return em->flags & TCF_EM_INVERT;
385}
386
387static inline int tcf_em_last_match(struct tcf_ematch *em)
388{
389 return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END;
390}
391
392static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
393{
394 if (tcf_em_last_match(em))
395 return 1;
396
397 if (result == 0 && em->flags & TCF_EM_REL_AND)
398 return 1;
399
400 if (result != 0 && em->flags & TCF_EM_REL_OR)
401 return 1;
402
403 return 0;
404}
405
406
407
408
409
410
411
412struct tcf_ematch_tree {
413 struct tcf_ematch_tree_hdr hdr;
414 struct tcf_ematch * matches;
415
416};
417
418
419
420
421
422
423
424
425
426
427
428
429
430struct tcf_ematch_ops {
431 int kind;
432 int datalen;
433 int (*change)(struct net *net, void *,
434 int, struct tcf_ematch *);
435 int (*match)(struct sk_buff *, struct tcf_ematch *,
436 struct tcf_pkt_info *);
437 void (*destroy)(struct tcf_ematch *);
438 int (*dump)(struct sk_buff *, struct tcf_ematch *);
439 struct module *owner;
440 struct list_head link;
441};
442
443int tcf_em_register(struct tcf_ematch_ops *);
444void tcf_em_unregister(struct tcf_ematch_ops *);
445int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *,
446 struct tcf_ematch_tree *);
447void tcf_em_tree_destroy(struct tcf_ematch_tree *);
448int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int);
449int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *,
450 struct tcf_pkt_info *);
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466static inline int tcf_em_tree_match(struct sk_buff *skb,
467 struct tcf_ematch_tree *tree,
468 struct tcf_pkt_info *info)
469{
470 if (tree->hdr.nmatches)
471 return __tcf_em_tree_match(skb, tree, info);
472 else
473 return 1;
474}
475
476#define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind))
477
478#else
479
480struct tcf_ematch_tree {
481};
482
483#define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
484#define tcf_em_tree_destroy(t) do { (void)(t); } while(0)
485#define tcf_em_tree_dump(skb, t, tlv) (0)
486#define tcf_em_tree_match(skb, t, info) ((void)(info), 1)
487
488#endif
489
490static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer)
491{
492 switch (layer) {
493 case TCF_LAYER_LINK:
494 return skb_mac_header(skb);
495 case TCF_LAYER_NETWORK:
496 return skb_network_header(skb);
497 case TCF_LAYER_TRANSPORT:
498 return skb_transport_header(skb);
499 }
500
501 return NULL;
502}
503
504static inline int tcf_valid_offset(const struct sk_buff *skb,
505 const unsigned char *ptr, const int len)
506{
507 return likely((ptr + len) <= skb_tail_pointer(skb) &&
508 ptr >= skb->head &&
509 (ptr <= (ptr + len)));
510}
511
512static inline int
513tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
514 struct netlink_ext_ack *extack)
515{
516 char indev[IFNAMSIZ];
517 struct net_device *dev;
518
519 if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
520 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
521 "Interface name too long");
522 return -EINVAL;
523 }
524 dev = __dev_get_by_name(net, indev);
525 if (!dev) {
526 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
527 "Network device not found");
528 return -ENODEV;
529 }
530 return dev->ifindex;
531}
532
533static inline bool
534tcf_match_indev(struct sk_buff *skb, int ifindex)
535{
536 if (!ifindex)
537 return true;
538 if (!skb->skb_iif)
539 return false;
540 return ifindex == skb->skb_iif;
541}
542
543int tc_setup_flow_action(struct flow_action *flow_action,
544 const struct tcf_exts *exts);
545void tc_cleanup_flow_action(struct flow_action *flow_action);
546
547int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
548 void *type_data, bool err_stop, bool rtnl_held);
549int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,
550 enum tc_setup_type type, void *type_data, bool err_stop,
551 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
552int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp,
553 enum tc_setup_type type, void *type_data, bool err_stop,
554 u32 *old_flags, unsigned int *old_in_hw_count,
555 u32 *new_flags, unsigned int *new_in_hw_count,
556 bool rtnl_held);
557int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp,
558 enum tc_setup_type type, void *type_data, bool err_stop,
559 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
560int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp,
561 bool add, flow_setup_cb_t *cb,
562 enum tc_setup_type type, void *type_data,
563 void *cb_priv, u32 *flags, unsigned int *in_hw_count);
564unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
565
566#ifdef CONFIG_NET_CLS_ACT
567int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
568 enum flow_block_binder_type binder_type,
569 struct nlattr *block_index_attr,
570 struct netlink_ext_ack *extack);
571void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch);
572int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
573 struct netlink_ext_ack *extack);
574struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
575 struct sk_buff **to_free, int *ret);
576int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe);
577#else
578static inline int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
579 enum flow_block_binder_type binder_type,
580 struct nlattr *block_index_attr,
581 struct netlink_ext_ack *extack)
582{
583 return 0;
584}
585
586static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch)
587{
588}
589
590static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
591 struct netlink_ext_ack *extack)
592{
593 return 0;
594}
595
596static inline struct sk_buff *
597tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
598 struct sk_buff **to_free, int *ret)
599{
600 return skb;
601}
602
603static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe)
604{
605 return 0;
606}
607#endif
608
609struct tc_cls_u32_knode {
610 struct tcf_exts *exts;
611 struct tcf_result *res;
612 struct tc_u32_sel *sel;
613 u32 handle;
614 u32 val;
615 u32 mask;
616 u32 link_handle;
617 u8 fshift;
618};
619
620struct tc_cls_u32_hnode {
621 u32 handle;
622 u32 prio;
623 unsigned int divisor;
624};
625
626enum tc_clsu32_command {
627 TC_CLSU32_NEW_KNODE,
628 TC_CLSU32_REPLACE_KNODE,
629 TC_CLSU32_DELETE_KNODE,
630 TC_CLSU32_NEW_HNODE,
631 TC_CLSU32_REPLACE_HNODE,
632 TC_CLSU32_DELETE_HNODE,
633};
634
635struct tc_cls_u32_offload {
636 struct flow_cls_common_offload common;
637
638 enum tc_clsu32_command command;
639 union {
640 struct tc_cls_u32_knode knode;
641 struct tc_cls_u32_hnode hnode;
642 };
643};
644
645static inline bool tc_can_offload(const struct net_device *dev)
646{
647 return dev->features & NETIF_F_HW_TC;
648}
649
650static inline bool tc_can_offload_extack(const struct net_device *dev,
651 struct netlink_ext_ack *extack)
652{
653 bool can = tc_can_offload(dev);
654
655 if (!can)
656 NL_SET_ERR_MSG(extack, "TC offload is disabled on net device");
657
658 return can;
659}
660
661static inline bool
662tc_cls_can_offload_and_chain0(const struct net_device *dev,
663 struct flow_cls_common_offload *common)
664{
665 if (!tc_can_offload_extack(dev, common->extack))
666 return false;
667 if (common->chain_index) {
668 NL_SET_ERR_MSG(common->extack,
669 "Driver supports only offload of chain 0");
670 return false;
671 }
672 return true;
673}
674
675static inline bool tc_skip_hw(u32 flags)
676{
677 return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
678}
679
680static inline bool tc_skip_sw(u32 flags)
681{
682 return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false;
683}
684
685
686static inline bool tc_flags_valid(u32 flags)
687{
688 if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW |
689 TCA_CLS_FLAGS_VERBOSE))
690 return false;
691
692 flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW;
693 if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)))
694 return false;
695
696 return true;
697}
698
699static inline bool tc_in_hw(u32 flags)
700{
701 return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false;
702}
703
704static inline void
705tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common,
706 const struct tcf_proto *tp, u32 flags,
707 struct netlink_ext_ack *extack)
708{
709 cls_common->chain_index = tp->chain->index;
710 cls_common->protocol = tp->protocol;
711 cls_common->prio = tp->prio >> 16;
712 if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
713 cls_common->extack = extack;
714}
715
716#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
717static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb)
718{
719 struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
720
721 if (tc_skb_ext)
722 memset(tc_skb_ext, 0, sizeof(*tc_skb_ext));
723 return tc_skb_ext;
724}
725#endif
726
727enum tc_matchall_command {
728 TC_CLSMATCHALL_REPLACE,
729 TC_CLSMATCHALL_DESTROY,
730 TC_CLSMATCHALL_STATS,
731};
732
733struct tc_cls_matchall_offload {
734 struct flow_cls_common_offload common;
735 enum tc_matchall_command command;
736 struct flow_rule *rule;
737 struct flow_stats stats;
738 unsigned long cookie;
739};
740
741enum tc_clsbpf_command {
742 TC_CLSBPF_OFFLOAD,
743 TC_CLSBPF_STATS,
744};
745
746struct tc_cls_bpf_offload {
747 struct flow_cls_common_offload common;
748 enum tc_clsbpf_command command;
749 struct tcf_exts *exts;
750 struct bpf_prog *prog;
751 struct bpf_prog *oldprog;
752 const char *name;
753 bool exts_integrated;
754};
755
756struct tc_mqprio_qopt_offload {
757
758 struct tc_mqprio_qopt qopt;
759 u16 mode;
760 u16 shaper;
761 u32 flags;
762 u64 min_rate[TC_QOPT_MAX_QUEUE];
763 u64 max_rate[TC_QOPT_MAX_QUEUE];
764};
765
766
767
768
769struct tc_cookie {
770 u8 *data;
771 u32 len;
772 struct rcu_head rcu;
773};
774
775struct tc_qopt_offload_stats {
776 struct gnet_stats_basic_packed *bstats;
777 struct gnet_stats_queue *qstats;
778};
779
780enum tc_mq_command {
781 TC_MQ_CREATE,
782 TC_MQ_DESTROY,
783 TC_MQ_STATS,
784 TC_MQ_GRAFT,
785};
786
787struct tc_mq_opt_offload_graft_params {
788 unsigned long queue;
789 u32 child_handle;
790};
791
792struct tc_mq_qopt_offload {
793 enum tc_mq_command command;
794 u32 handle;
795 union {
796 struct tc_qopt_offload_stats stats;
797 struct tc_mq_opt_offload_graft_params graft_params;
798 };
799};
800
801enum tc_htb_command {
802
803 TC_HTB_CREATE,
804 TC_HTB_DESTROY,
805
806
807
808 TC_HTB_LEAF_ALLOC_QUEUE,
809
810 TC_HTB_LEAF_TO_INNER,
811
812 TC_HTB_LEAF_DEL,
813
814 TC_HTB_LEAF_DEL_LAST,
815
816 TC_HTB_LEAF_DEL_LAST_FORCE,
817
818 TC_HTB_NODE_MODIFY,
819
820
821 TC_HTB_LEAF_QUERY_QUEUE,
822};
823
824struct tc_htb_qopt_offload {
825 struct netlink_ext_ack *extack;
826 enum tc_htb_command command;
827 u16 classid;
828 u32 parent_classid;
829 u16 qid;
830 u16 moved_qid;
831 u64 rate;
832 u64 ceil;
833};
834
835#define TC_HTB_CLASSID_ROOT U32_MAX
836
837enum tc_red_command {
838 TC_RED_REPLACE,
839 TC_RED_DESTROY,
840 TC_RED_STATS,
841 TC_RED_XSTATS,
842 TC_RED_GRAFT,
843};
844
845struct tc_red_qopt_offload_params {
846 u32 min;
847 u32 max;
848 u32 probability;
849 u32 limit;
850 bool is_ecn;
851 bool is_harddrop;
852 bool is_nodrop;
853 struct gnet_stats_queue *qstats;
854};
855
856struct tc_red_qopt_offload {
857 enum tc_red_command command;
858 u32 handle;
859 u32 parent;
860 union {
861 struct tc_red_qopt_offload_params set;
862 struct tc_qopt_offload_stats stats;
863 struct red_stats *xstats;
864 u32 child_handle;
865 };
866};
867
868enum tc_gred_command {
869 TC_GRED_REPLACE,
870 TC_GRED_DESTROY,
871 TC_GRED_STATS,
872};
873
874struct tc_gred_vq_qopt_offload_params {
875 bool present;
876 u32 limit;
877 u32 prio;
878 u32 min;
879 u32 max;
880 bool is_ecn;
881 bool is_harddrop;
882 u32 probability;
883
884 u32 *backlog;
885};
886
887struct tc_gred_qopt_offload_params {
888 bool grio_on;
889 bool wred_on;
890 unsigned int dp_cnt;
891 unsigned int dp_def;
892 struct gnet_stats_queue *qstats;
893 struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
894};
895
896struct tc_gred_qopt_offload_stats {
897 struct gnet_stats_basic_packed bstats[MAX_DPs];
898 struct gnet_stats_queue qstats[MAX_DPs];
899 struct red_stats *xstats[MAX_DPs];
900};
901
902struct tc_gred_qopt_offload {
903 enum tc_gred_command command;
904 u32 handle;
905 u32 parent;
906 union {
907 struct tc_gred_qopt_offload_params set;
908 struct tc_gred_qopt_offload_stats stats;
909 };
910};
911
912enum tc_prio_command {
913 TC_PRIO_REPLACE,
914 TC_PRIO_DESTROY,
915 TC_PRIO_STATS,
916 TC_PRIO_GRAFT,
917};
918
919struct tc_prio_qopt_offload_params {
920 int bands;
921 u8 priomap[TC_PRIO_MAX + 1];
922
923
924
925 struct gnet_stats_queue *qstats;
926};
927
928struct tc_prio_qopt_offload_graft_params {
929 u8 band;
930 u32 child_handle;
931};
932
933struct tc_prio_qopt_offload {
934 enum tc_prio_command command;
935 u32 handle;
936 u32 parent;
937 union {
938 struct tc_prio_qopt_offload_params replace_params;
939 struct tc_qopt_offload_stats stats;
940 struct tc_prio_qopt_offload_graft_params graft_params;
941 };
942};
943
944enum tc_root_command {
945 TC_ROOT_GRAFT,
946};
947
948struct tc_root_qopt_offload {
949 enum tc_root_command command;
950 u32 handle;
951 bool ingress;
952};
953
954enum tc_ets_command {
955 TC_ETS_REPLACE,
956 TC_ETS_DESTROY,
957 TC_ETS_STATS,
958 TC_ETS_GRAFT,
959};
960
961struct tc_ets_qopt_offload_replace_params {
962 unsigned int bands;
963 u8 priomap[TC_PRIO_MAX + 1];
964 unsigned int quanta[TCQ_ETS_MAX_BANDS];
965 unsigned int weights[TCQ_ETS_MAX_BANDS];
966 struct gnet_stats_queue *qstats;
967};
968
969struct tc_ets_qopt_offload_graft_params {
970 u8 band;
971 u32 child_handle;
972};
973
974struct tc_ets_qopt_offload {
975 enum tc_ets_command command;
976 u32 handle;
977 u32 parent;
978 union {
979 struct tc_ets_qopt_offload_replace_params replace_params;
980 struct tc_qopt_offload_stats stats;
981 struct tc_ets_qopt_offload_graft_params graft_params;
982 };
983};
984
985enum tc_tbf_command {
986 TC_TBF_REPLACE,
987 TC_TBF_DESTROY,
988 TC_TBF_STATS,
989};
990
991struct tc_tbf_qopt_offload_replace_params {
992 struct psched_ratecfg rate;
993 u32 max_size;
994 struct gnet_stats_queue *qstats;
995};
996
997struct tc_tbf_qopt_offload {
998 enum tc_tbf_command command;
999 u32 handle;
1000 u32 parent;
1001 union {
1002 struct tc_tbf_qopt_offload_replace_params replace_params;
1003 struct tc_qopt_offload_stats stats;
1004 };
1005};
1006
1007enum tc_fifo_command {
1008 TC_FIFO_REPLACE,
1009 TC_FIFO_DESTROY,
1010 TC_FIFO_STATS,
1011};
1012
1013struct tc_fifo_qopt_offload {
1014 enum tc_fifo_command command;
1015 u32 handle;
1016 u32 parent;
1017 union {
1018 struct tc_qopt_offload_stats stats;
1019 };
1020};
1021
1022#endif
1023