1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NET_PKT_CLS_H
3 #define __NET_PKT_CLS_H
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>
11 /* TC action not accessible from user space */
12 #define TC_ACT_CONSUMED (TC_ACT_VALUE_MAX + 1)
14 /* Basic packet classifier frontend definitions. */
22 int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *);
25 int register_tcf_proto_ops(struct tcf_proto_ops *ops);
26 void unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
28 struct 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;
36 struct tcf_block *block;
37 struct tcf_block_ext_info info;
38 struct tcf_proto __rcu *filter_chain;
42 bool tcf_queue_work(struct rcu_work *rwork, work_func_t func);
45 struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block,
47 void tcf_chain_put_by_act(struct tcf_chain *chain);
48 struct tcf_chain *tcf_get_next_chain(struct tcf_block *block,
49 struct tcf_chain *chain);
50 struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain,
51 struct tcf_proto *tp);
52 void tcf_block_netif_keep_dst(struct tcf_block *block);
53 int 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);
56 int 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);
59 void tcf_block_put(struct tcf_block *block);
60 void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
61 struct tcf_block_ext_info *ei);
62 int tcf_exts_init_ex(struct tcf_exts *exts, struct net *net, int action,
63 int police, struct tcf_proto *tp, u32 handle, bool used_action_miss);
65 static inline bool tcf_block_shared(struct tcf_block *block)
70 static inline bool tcf_block_non_null_shared(struct tcf_block *block)
72 return block && block->index;
75 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
77 WARN_ON(tcf_block_shared(block));
81 int tcf_classify(struct sk_buff *skb,
82 const struct tcf_block *block,
83 const struct tcf_proto *tp, struct tcf_result *res,
86 static inline bool tc_cls_stats_dump(struct tcf_proto *tp,
87 struct tcf_walker *arg,
90 if (arg->count >= arg->skip && arg->fn(tp, filter, arg) < 0) {
100 static inline bool tcf_block_shared(struct tcf_block *block)
105 static inline bool tcf_block_non_null_shared(struct tcf_block *block)
111 int tcf_block_get(struct tcf_block **p_block,
112 struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
113 struct netlink_ext_ack *extack)
119 int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
120 struct tcf_block_ext_info *ei,
121 struct netlink_ext_ack *extack)
126 static inline void tcf_block_put(struct tcf_block *block)
131 void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
132 struct tcf_block_ext_info *ei)
136 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
142 int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb,
149 void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb,
154 static inline int tcf_classify(struct sk_buff *skb,
155 const struct tcf_block *block,
156 const struct tcf_proto *tp,
157 struct tcf_result *res, bool compat_mode)
159 return TC_ACT_UNSPEC;
164 static inline unsigned long
165 __cls_set_class(unsigned long *clp, unsigned long cl)
167 return xchg(clp, cl);
171 __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base)
175 cl = q->ops->cl_ops->bind_tcf(q, base, r->classid);
176 cl = __cls_set_class(&r->class, cl);
178 q->ops->cl_ops->unbind_tcf(q, cl);
182 tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base)
184 struct Qdisc *q = tp->chain->block->q;
186 /* Check q as it is not set for shared blocks. In that case,
187 * setting class is not supported.
192 __tcf_bind_filter(q, r, base);
197 __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r)
201 if ((cl = __cls_set_class(&r->class, 0)) != 0)
202 q->ops->cl_ops->unbind_tcf(q, cl);
206 tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r)
208 struct Qdisc *q = tp->chain->block->q;
212 __tcf_unbind_filter(q, r);
215 static inline void tc_cls_bind_class(u32 classid, unsigned long cl,
216 void *q, struct tcf_result *res,
219 if (res->classid == classid) {
221 __tcf_bind_filter(q, res, base);
223 __tcf_unbind_filter(q, res);
228 #ifdef CONFIG_NET_CLS_ACT
229 __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
231 struct tc_action **actions;
233 netns_tracker ns_tracker;
234 struct tcf_exts_miss_cookie_node *miss_cookie_node;
236 /* Map to export classifier specific extension TLV types to the
237 * generic extensions API. Unsupported extensions must be set to 0.
243 static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
244 int action, int police)
246 #ifdef CONFIG_NET_CLS
247 return tcf_exts_init_ex(exts, net, action, police, NULL, 0, false);
253 /* Return false if the netns is being destroyed in cleanup_net(). Callers
254 * need to do cleanup synchronously in this case, otherwise may race with
255 * tc_action_net_exit(). Return true for other cases.
257 static inline bool tcf_exts_get_net(struct tcf_exts *exts)
259 #ifdef CONFIG_NET_CLS_ACT
260 exts->net = maybe_get_net(exts->net);
262 netns_tracker_alloc(exts->net, &exts->ns_tracker, GFP_KERNEL);
263 return exts->net != NULL;
269 static inline void tcf_exts_put_net(struct tcf_exts *exts)
271 #ifdef CONFIG_NET_CLS_ACT
273 put_net_track(exts->net, &exts->ns_tracker);
277 #ifdef CONFIG_NET_CLS_ACT
278 #define tcf_exts_for_each_action(i, a, exts) \
279 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
281 #define tcf_exts_for_each_action(i, a, exts) \
282 for (; 0; (void)(i), (void)(a), (void)(exts))
285 #define tcf_act_for_each_action(i, a, actions) \
286 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++)
288 static inline bool tc_act_in_hw(struct tc_action *act)
290 return !!act->in_hw_count;
294 tcf_exts_hw_stats_update(const struct tcf_exts *exts,
295 struct flow_stats *stats,
298 #ifdef CONFIG_NET_CLS_ACT
301 for (i = 0; i < exts->nr_actions; i++) {
302 struct tc_action *a = exts->actions[i];
304 if (use_act_stats || tc_act_in_hw(a)) {
305 if (!tcf_action_update_hw_stats(a))
310 tcf_action_stats_update(a, stats->bytes, stats->pkts, stats->drops,
311 stats->lastused, true);
314 a->used_hw_stats = stats->used_hw_stats;
315 a->used_hw_stats_valid = stats->used_hw_stats_valid;
321 * tcf_exts_has_actions - check if at least one action is present
322 * @exts: tc filter extensions handle
324 * Returns true if at least one action is present.
326 static inline bool tcf_exts_has_actions(struct tcf_exts *exts)
328 #ifdef CONFIG_NET_CLS_ACT
329 return exts->nr_actions;
336 * tcf_exts_exec - execute tc filter extensions
337 * @skb: socket buffer
338 * @exts: tc filter extensions handle
339 * @res: desired result
341 * Executes all configured extensions. Returns TC_ACT_OK on a normal execution,
342 * a negative number if the filter must be considered unmatched or
343 * a positive action code (TC_ACT_*) which must be returned to the
347 tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
348 struct tcf_result *res)
350 #ifdef CONFIG_NET_CLS_ACT
351 return tcf_action_exec(skb, exts->actions, exts->nr_actions, res);
357 tcf_exts_exec_ex(struct sk_buff *skb, struct tcf_exts *exts, int act_index,
358 struct tcf_result *res)
360 #ifdef CONFIG_NET_CLS_ACT
361 return tcf_action_exec(skb, exts->actions + act_index,
362 exts->nr_actions - act_index, res);
368 int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
369 struct nlattr **tb, struct nlattr *rate_tlv,
370 struct tcf_exts *exts, u32 flags,
371 struct netlink_ext_ack *extack);
372 int tcf_exts_validate_ex(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
373 struct nlattr *rate_tlv, struct tcf_exts *exts,
374 u32 flags, u32 fl_flags, struct netlink_ext_ack *extack);
375 void tcf_exts_destroy(struct tcf_exts *exts);
376 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
377 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
378 int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
379 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
382 * struct tcf_pkt_info - packet information
384 * @ptr: start of the pkt data
385 * @nexthdr: offset of the next header
387 struct tcf_pkt_info {
392 #ifdef CONFIG_NET_EMATCH
394 struct tcf_ematch_ops;
397 * struct tcf_ematch - extended match (ematch)
399 * @matchid: identifier to allow userspace to reidentify a match
400 * @flags: flags specifying attributes and the relation to other matches
401 * @ops: the operations lookup table of the corresponding ematch module
402 * @datalen: length of the ematch specific configuration data
403 * @data: ematch specific data
404 * @net: the network namespace
407 struct tcf_ematch_ops * ops;
409 unsigned int datalen;
415 static inline int tcf_em_is_container(struct tcf_ematch *em)
420 static inline int tcf_em_is_simple(struct tcf_ematch *em)
422 return em->flags & TCF_EM_SIMPLE;
425 static inline int tcf_em_is_inverted(struct tcf_ematch *em)
427 return em->flags & TCF_EM_INVERT;
430 static inline int tcf_em_last_match(struct tcf_ematch *em)
432 return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END;
435 static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
437 if (tcf_em_last_match(em))
440 if (result == 0 && em->flags & TCF_EM_REL_AND)
443 if (result != 0 && em->flags & TCF_EM_REL_OR)
450 * struct tcf_ematch_tree - ematch tree handle
452 * @hdr: ematch tree header supplied by userspace
453 * @matches: array of ematches
455 struct tcf_ematch_tree {
456 struct tcf_ematch_tree_hdr hdr;
457 struct tcf_ematch * matches;
462 * struct tcf_ematch_ops - ematch module operations
464 * @kind: identifier (kind) of this ematch module
465 * @datalen: length of expected configuration data (optional)
466 * @change: called during validation (optional)
467 * @match: called during ematch tree evaluation, must return 1/0
468 * @destroy: called during destroyage (optional)
469 * @dump: called during dumping process (optional)
470 * @owner: owner, must be set to THIS_MODULE
471 * @link: link to previous/next ematch module (internal use)
473 struct tcf_ematch_ops {
476 int (*change)(struct net *net, void *,
477 int, struct tcf_ematch *);
478 int (*match)(struct sk_buff *, struct tcf_ematch *,
479 struct tcf_pkt_info *);
480 void (*destroy)(struct tcf_ematch *);
481 int (*dump)(struct sk_buff *, struct tcf_ematch *);
482 struct module *owner;
483 struct list_head link;
486 int tcf_em_register(struct tcf_ematch_ops *);
487 void tcf_em_unregister(struct tcf_ematch_ops *);
488 int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *,
489 struct tcf_ematch_tree *);
490 void tcf_em_tree_destroy(struct tcf_ematch_tree *);
491 int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int);
492 int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *,
493 struct tcf_pkt_info *);
496 * tcf_em_tree_match - evaulate an ematch tree
498 * @skb: socket buffer of the packet in question
499 * @tree: ematch tree to be used for evaluation
500 * @info: packet information examined by classifier
502 * This function matches @skb against the ematch tree in @tree by going
503 * through all ematches respecting their logic relations returning
504 * as soon as the result is obvious.
506 * Returns 1 if the ematch tree as-one matches, no ematches are configured
507 * or ematch is not enabled in the kernel, otherwise 0 is returned.
509 static inline int tcf_em_tree_match(struct sk_buff *skb,
510 struct tcf_ematch_tree *tree,
511 struct tcf_pkt_info *info)
513 if (tree->hdr.nmatches)
514 return __tcf_em_tree_match(skb, tree, info);
519 #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind))
521 #else /* CONFIG_NET_EMATCH */
523 struct tcf_ematch_tree {
526 #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
527 #define tcf_em_tree_destroy(t) do { (void)(t); } while(0)
528 #define tcf_em_tree_dump(skb, t, tlv) (0)
529 #define tcf_em_tree_match(skb, t, info) ((void)(info), 1)
531 #endif /* CONFIG_NET_EMATCH */
533 static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer)
537 return skb_mac_header(skb);
538 case TCF_LAYER_NETWORK:
539 return skb_network_header(skb);
540 case TCF_LAYER_TRANSPORT:
541 return skb_transport_header(skb);
547 static inline int tcf_valid_offset(const struct sk_buff *skb,
548 const unsigned char *ptr, const int len)
550 return likely((ptr + len) <= skb_tail_pointer(skb) &&
552 (ptr <= (ptr + len)));
556 tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
557 struct netlink_ext_ack *extack)
559 char indev[IFNAMSIZ];
560 struct net_device *dev;
562 if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
563 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
564 "Interface name too long");
567 dev = __dev_get_by_name(net, indev);
569 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
570 "Network device not found");
577 tcf_match_indev(struct sk_buff *skb, int ifindex)
583 return ifindex == skb->skb_iif;
586 int tc_setup_offload_action(struct flow_action *flow_action,
587 const struct tcf_exts *exts,
588 struct netlink_ext_ack *extack);
589 void tc_cleanup_offload_action(struct flow_action *flow_action);
590 int tc_setup_action(struct flow_action *flow_action,
591 struct tc_action *actions[],
592 u32 miss_cookie_base,
593 struct netlink_ext_ack *extack);
595 int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
596 void *type_data, bool err_stop, bool rtnl_held);
597 int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,
598 enum tc_setup_type type, void *type_data, bool err_stop,
599 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
600 int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp,
601 enum tc_setup_type type, void *type_data, bool err_stop,
602 u32 *old_flags, unsigned int *old_in_hw_count,
603 u32 *new_flags, unsigned int *new_in_hw_count,
605 int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp,
606 enum tc_setup_type type, void *type_data, bool err_stop,
607 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
608 int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp,
609 bool add, flow_setup_cb_t *cb,
610 enum tc_setup_type type, void *type_data,
611 void *cb_priv, u32 *flags, unsigned int *in_hw_count);
612 unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
614 #ifdef CONFIG_NET_CLS_ACT
615 int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
616 enum flow_block_binder_type binder_type,
617 struct nlattr *block_index_attr,
618 struct netlink_ext_ack *extack);
619 void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch);
620 int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
621 struct netlink_ext_ack *extack);
622 struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
623 struct sk_buff **to_free, int *ret);
624 int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe);
626 static inline int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
627 enum flow_block_binder_type binder_type,
628 struct nlattr *block_index_attr,
629 struct netlink_ext_ack *extack)
634 static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch)
638 static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
639 struct netlink_ext_ack *extack)
644 static inline struct sk_buff *
645 tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
646 struct sk_buff **to_free, int *ret)
651 static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe)
657 struct tc_cls_u32_knode {
658 struct tcf_exts *exts;
659 struct tcf_result *res;
660 struct tc_u32_sel *sel;
668 struct tc_cls_u32_hnode {
671 unsigned int divisor;
674 enum tc_clsu32_command {
676 TC_CLSU32_REPLACE_KNODE,
677 TC_CLSU32_DELETE_KNODE,
679 TC_CLSU32_REPLACE_HNODE,
680 TC_CLSU32_DELETE_HNODE,
683 struct tc_cls_u32_offload {
684 struct flow_cls_common_offload common;
686 enum tc_clsu32_command command;
688 struct tc_cls_u32_knode knode;
689 struct tc_cls_u32_hnode hnode;
693 static inline bool tc_can_offload(const struct net_device *dev)
695 return dev->features & NETIF_F_HW_TC;
698 static inline bool tc_can_offload_extack(const struct net_device *dev,
699 struct netlink_ext_ack *extack)
701 bool can = tc_can_offload(dev);
704 NL_SET_ERR_MSG(extack, "TC offload is disabled on net device");
710 tc_cls_can_offload_and_chain0(const struct net_device *dev,
711 struct flow_cls_common_offload *common)
713 if (!tc_can_offload_extack(dev, common->extack))
715 if (common->chain_index) {
716 NL_SET_ERR_MSG(common->extack,
717 "Driver supports only offload of chain 0");
723 static inline bool tc_skip_hw(u32 flags)
725 return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
728 static inline bool tc_skip_sw(u32 flags)
730 return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false;
733 /* SKIP_HW and SKIP_SW are mutually exclusive flags. */
734 static inline bool tc_flags_valid(u32 flags)
736 if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW |
737 TCA_CLS_FLAGS_VERBOSE))
740 flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW;
741 if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)))
747 static inline bool tc_in_hw(u32 flags)
749 return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false;
753 tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common,
754 const struct tcf_proto *tp, u32 flags,
755 struct netlink_ext_ack *extack)
757 cls_common->chain_index = tp->chain->index;
758 cls_common->protocol = tp->protocol;
759 cls_common->prio = tp->prio >> 16;
760 if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
761 cls_common->extack = extack;
764 #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
765 static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb)
767 struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
770 memset(tc_skb_ext, 0, sizeof(*tc_skb_ext));
775 enum tc_matchall_command {
776 TC_CLSMATCHALL_REPLACE,
777 TC_CLSMATCHALL_DESTROY,
778 TC_CLSMATCHALL_STATS,
781 struct tc_cls_matchall_offload {
782 struct flow_cls_common_offload common;
783 enum tc_matchall_command command;
784 struct flow_rule *rule;
785 struct flow_stats stats;
787 unsigned long cookie;
790 enum tc_clsbpf_command {
795 struct tc_cls_bpf_offload {
796 struct flow_cls_common_offload common;
797 enum tc_clsbpf_command command;
798 struct tcf_exts *exts;
799 struct bpf_prog *prog;
800 struct bpf_prog *oldprog;
802 bool exts_integrated;
805 /* This structure holds cookie structure that is passed from user
806 * to the kernel for actions and classifiers
814 struct tc_qopt_offload_stats {
815 struct gnet_stats_basic_sync *bstats;
816 struct gnet_stats_queue *qstats;
826 struct tc_mq_opt_offload_graft_params {
831 struct tc_mq_qopt_offload {
832 enum tc_mq_command command;
835 struct tc_qopt_offload_stats stats;
836 struct tc_mq_opt_offload_graft_params graft_params;
840 enum tc_htb_command {
842 TC_HTB_CREATE, /* Initialize HTB offload. */
843 TC_HTB_DESTROY, /* Destroy HTB offload. */
846 /* Allocate qid and create leaf. */
847 TC_HTB_LEAF_ALLOC_QUEUE,
848 /* Convert leaf to inner, preserve and return qid, create new leaf. */
849 TC_HTB_LEAF_TO_INNER,
850 /* Delete leaf, while siblings remain. */
852 /* Delete leaf, convert parent to leaf, preserving qid. */
853 TC_HTB_LEAF_DEL_LAST,
854 /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */
855 TC_HTB_LEAF_DEL_LAST_FORCE,
856 /* Modify parameters of a node. */
860 TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */
863 struct tc_htb_qopt_offload {
864 struct netlink_ext_ack *extack;
865 enum tc_htb_command command;
873 #define TC_HTB_CLASSID_ROOT U32_MAX
875 enum tc_red_command {
883 struct tc_red_qopt_offload_params {
891 struct gnet_stats_queue *qstats;
894 struct tc_red_qopt_offload {
895 enum tc_red_command command;
899 struct tc_red_qopt_offload_params set;
900 struct tc_qopt_offload_stats stats;
901 struct red_stats *xstats;
906 enum tc_gred_command {
912 struct tc_gred_vq_qopt_offload_params {
921 /* Only need backlog, see struct tc_prio_qopt_offload_params */
925 struct tc_gred_qopt_offload_params {
930 struct gnet_stats_queue *qstats;
931 struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
934 struct tc_gred_qopt_offload_stats {
935 struct gnet_stats_basic_sync bstats[MAX_DPs];
936 struct gnet_stats_queue qstats[MAX_DPs];
937 struct red_stats *xstats[MAX_DPs];
940 struct tc_gred_qopt_offload {
941 enum tc_gred_command command;
945 struct tc_gred_qopt_offload_params set;
946 struct tc_gred_qopt_offload_stats stats;
950 enum tc_prio_command {
957 struct tc_prio_qopt_offload_params {
959 u8 priomap[TC_PRIO_MAX + 1];
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.
963 struct gnet_stats_queue *qstats;
966 struct tc_prio_qopt_offload_graft_params {
971 struct tc_prio_qopt_offload {
972 enum tc_prio_command command;
976 struct tc_prio_qopt_offload_params replace_params;
977 struct tc_qopt_offload_stats stats;
978 struct tc_prio_qopt_offload_graft_params graft_params;
982 enum tc_root_command {
986 struct tc_root_qopt_offload {
987 enum tc_root_command command;
992 enum tc_ets_command {
999 struct tc_ets_qopt_offload_replace_params {
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;
1007 struct tc_ets_qopt_offload_graft_params {
1012 struct tc_ets_qopt_offload {
1013 enum tc_ets_command command;
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;
1023 enum tc_tbf_command {
1030 struct tc_tbf_qopt_offload_replace_params {
1031 struct psched_ratecfg rate;
1033 struct gnet_stats_queue *qstats;
1036 struct tc_tbf_qopt_offload {
1037 enum tc_tbf_command command;
1041 struct tc_tbf_qopt_offload_replace_params replace_params;
1042 struct tc_qopt_offload_stats stats;
1047 enum tc_fifo_command {
1053 struct tc_fifo_qopt_offload {
1054 enum tc_fifo_command command;
1058 struct tc_qopt_offload_stats stats;
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