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)
141 static inline int tcf_classify(struct sk_buff *skb,
142 const struct tcf_block *block,
143 const struct tcf_proto *tp,
144 struct tcf_result *res, bool compat_mode)
146 return TC_ACT_UNSPEC;
151 static inline unsigned long
152 __cls_set_class(unsigned long *clp, unsigned long cl)
154 return xchg(clp, cl);
157 static inline void tcf_set_drop_reason(struct tcf_result *res,
158 enum skb_drop_reason reason)
160 res->drop_reason = reason;
164 __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base)
168 cl = q->ops->cl_ops->bind_tcf(q, base, r->classid);
169 cl = __cls_set_class(&r->class, cl);
171 q->ops->cl_ops->unbind_tcf(q, cl);
175 tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base)
177 struct Qdisc *q = tp->chain->block->q;
179 /* Check q as it is not set for shared blocks. In that case,
180 * setting class is not supported.
185 __tcf_bind_filter(q, r, base);
190 __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r)
194 if ((cl = __cls_set_class(&r->class, 0)) != 0)
195 q->ops->cl_ops->unbind_tcf(q, cl);
199 tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r)
201 struct Qdisc *q = tp->chain->block->q;
205 __tcf_unbind_filter(q, r);
208 static inline void tc_cls_bind_class(u32 classid, unsigned long cl,
209 void *q, struct tcf_result *res,
212 if (res->classid == classid) {
214 __tcf_bind_filter(q, res, base);
216 __tcf_unbind_filter(q, res);
221 #ifdef CONFIG_NET_CLS_ACT
222 __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
224 struct tc_action **actions;
226 netns_tracker ns_tracker;
227 struct tcf_exts_miss_cookie_node *miss_cookie_node;
229 /* Map to export classifier specific extension TLV types to the
230 * generic extensions API. Unsupported extensions must be set to 0.
236 static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
237 int action, int police)
239 #ifdef CONFIG_NET_CLS
240 return tcf_exts_init_ex(exts, net, action, police, NULL, 0, false);
246 /* Return false if the netns is being destroyed in cleanup_net(). Callers
247 * need to do cleanup synchronously in this case, otherwise may race with
248 * tc_action_net_exit(). Return true for other cases.
250 static inline bool tcf_exts_get_net(struct tcf_exts *exts)
252 #ifdef CONFIG_NET_CLS_ACT
253 exts->net = maybe_get_net(exts->net);
255 netns_tracker_alloc(exts->net, &exts->ns_tracker, GFP_KERNEL);
256 return exts->net != NULL;
262 static inline void tcf_exts_put_net(struct tcf_exts *exts)
264 #ifdef CONFIG_NET_CLS_ACT
266 put_net_track(exts->net, &exts->ns_tracker);
270 #ifdef CONFIG_NET_CLS_ACT
271 #define tcf_exts_for_each_action(i, a, exts) \
272 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
274 #define tcf_exts_for_each_action(i, a, exts) \
275 for (; 0; (void)(i), (void)(a), (void)(exts))
278 #define tcf_act_for_each_action(i, a, actions) \
279 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++)
281 static inline bool tc_act_in_hw(struct tc_action *act)
283 return !!act->in_hw_count;
287 tcf_exts_hw_stats_update(const struct tcf_exts *exts,
288 struct flow_stats *stats,
291 #ifdef CONFIG_NET_CLS_ACT
294 for (i = 0; i < exts->nr_actions; i++) {
295 struct tc_action *a = exts->actions[i];
297 if (use_act_stats || tc_act_in_hw(a)) {
298 if (!tcf_action_update_hw_stats(a))
303 tcf_action_stats_update(a, stats->bytes, stats->pkts, stats->drops,
304 stats->lastused, true);
307 a->used_hw_stats = stats->used_hw_stats;
308 a->used_hw_stats_valid = stats->used_hw_stats_valid;
314 * tcf_exts_has_actions - check if at least one action is present
315 * @exts: tc filter extensions handle
317 * Returns true if at least one action is present.
319 static inline bool tcf_exts_has_actions(struct tcf_exts *exts)
321 #ifdef CONFIG_NET_CLS_ACT
322 return exts->nr_actions;
329 * tcf_exts_exec - execute tc filter extensions
330 * @skb: socket buffer
331 * @exts: tc filter extensions handle
332 * @res: desired result
334 * Executes all configured extensions. Returns TC_ACT_OK on a normal execution,
335 * a negative number if the filter must be considered unmatched or
336 * a positive action code (TC_ACT_*) which must be returned to the
340 tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
341 struct tcf_result *res)
343 #ifdef CONFIG_NET_CLS_ACT
344 return tcf_action_exec(skb, exts->actions, exts->nr_actions, res);
350 tcf_exts_exec_ex(struct sk_buff *skb, struct tcf_exts *exts, int act_index,
351 struct tcf_result *res)
353 #ifdef CONFIG_NET_CLS_ACT
354 return tcf_action_exec(skb, exts->actions + act_index,
355 exts->nr_actions - act_index, res);
361 int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
362 struct nlattr **tb, struct nlattr *rate_tlv,
363 struct tcf_exts *exts, u32 flags,
364 struct netlink_ext_ack *extack);
365 int tcf_exts_validate_ex(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
366 struct nlattr *rate_tlv, struct tcf_exts *exts,
367 u32 flags, u32 fl_flags, struct netlink_ext_ack *extack);
368 void tcf_exts_destroy(struct tcf_exts *exts);
369 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
370 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
371 int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
372 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
375 * struct tcf_pkt_info - packet information
377 * @ptr: start of the pkt data
378 * @nexthdr: offset of the next header
380 struct tcf_pkt_info {
385 #ifdef CONFIG_NET_EMATCH
387 struct tcf_ematch_ops;
390 * struct tcf_ematch - extended match (ematch)
392 * @matchid: identifier to allow userspace to reidentify a match
393 * @flags: flags specifying attributes and the relation to other matches
394 * @ops: the operations lookup table of the corresponding ematch module
395 * @datalen: length of the ematch specific configuration data
396 * @data: ematch specific data
397 * @net: the network namespace
400 struct tcf_ematch_ops * ops;
402 unsigned int datalen;
408 static inline int tcf_em_is_container(struct tcf_ematch *em)
413 static inline int tcf_em_is_simple(struct tcf_ematch *em)
415 return em->flags & TCF_EM_SIMPLE;
418 static inline int tcf_em_is_inverted(struct tcf_ematch *em)
420 return em->flags & TCF_EM_INVERT;
423 static inline int tcf_em_last_match(struct tcf_ematch *em)
425 return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END;
428 static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
430 if (tcf_em_last_match(em))
433 if (result == 0 && em->flags & TCF_EM_REL_AND)
436 if (result != 0 && em->flags & TCF_EM_REL_OR)
443 * struct tcf_ematch_tree - ematch tree handle
445 * @hdr: ematch tree header supplied by userspace
446 * @matches: array of ematches
448 struct tcf_ematch_tree {
449 struct tcf_ematch_tree_hdr hdr;
450 struct tcf_ematch * matches;
455 * struct tcf_ematch_ops - ematch module operations
457 * @kind: identifier (kind) of this ematch module
458 * @datalen: length of expected configuration data (optional)
459 * @change: called during validation (optional)
460 * @match: called during ematch tree evaluation, must return 1/0
461 * @destroy: called during destroyage (optional)
462 * @dump: called during dumping process (optional)
463 * @owner: owner, must be set to THIS_MODULE
464 * @link: link to previous/next ematch module (internal use)
466 struct tcf_ematch_ops {
469 int (*change)(struct net *net, void *,
470 int, struct tcf_ematch *);
471 int (*match)(struct sk_buff *, struct tcf_ematch *,
472 struct tcf_pkt_info *);
473 void (*destroy)(struct tcf_ematch *);
474 int (*dump)(struct sk_buff *, struct tcf_ematch *);
475 struct module *owner;
476 struct list_head link;
479 int tcf_em_register(struct tcf_ematch_ops *);
480 void tcf_em_unregister(struct tcf_ematch_ops *);
481 int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *,
482 struct tcf_ematch_tree *);
483 void tcf_em_tree_destroy(struct tcf_ematch_tree *);
484 int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int);
485 int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *,
486 struct tcf_pkt_info *);
489 * tcf_em_tree_match - evaulate an ematch tree
491 * @skb: socket buffer of the packet in question
492 * @tree: ematch tree to be used for evaluation
493 * @info: packet information examined by classifier
495 * This function matches @skb against the ematch tree in @tree by going
496 * through all ematches respecting their logic relations returning
497 * as soon as the result is obvious.
499 * Returns 1 if the ematch tree as-one matches, no ematches are configured
500 * or ematch is not enabled in the kernel, otherwise 0 is returned.
502 static inline int tcf_em_tree_match(struct sk_buff *skb,
503 struct tcf_ematch_tree *tree,
504 struct tcf_pkt_info *info)
506 if (tree->hdr.nmatches)
507 return __tcf_em_tree_match(skb, tree, info);
512 #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind))
514 #else /* CONFIG_NET_EMATCH */
516 struct tcf_ematch_tree {
519 #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
520 #define tcf_em_tree_destroy(t) do { (void)(t); } while(0)
521 #define tcf_em_tree_dump(skb, t, tlv) (0)
522 #define tcf_em_tree_match(skb, t, info) ((void)(info), 1)
524 #endif /* CONFIG_NET_EMATCH */
526 static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer)
530 return skb_mac_header(skb);
531 case TCF_LAYER_NETWORK:
532 return skb_network_header(skb);
533 case TCF_LAYER_TRANSPORT:
534 return skb_transport_header(skb);
540 static inline int tcf_valid_offset(const struct sk_buff *skb,
541 const unsigned char *ptr, const int len)
543 return likely((ptr + len) <= skb_tail_pointer(skb) &&
545 (ptr <= (ptr + len)));
549 tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
550 struct netlink_ext_ack *extack)
552 char indev[IFNAMSIZ];
553 struct net_device *dev;
555 if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
556 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
557 "Interface name too long");
560 dev = __dev_get_by_name(net, indev);
562 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
563 "Network device not found");
570 tcf_match_indev(struct sk_buff *skb, int ifindex)
576 return ifindex == skb->skb_iif;
579 int tc_setup_offload_action(struct flow_action *flow_action,
580 const struct tcf_exts *exts,
581 struct netlink_ext_ack *extack);
582 void tc_cleanup_offload_action(struct flow_action *flow_action);
583 int tc_setup_action(struct flow_action *flow_action,
584 struct tc_action *actions[],
585 u32 miss_cookie_base,
586 struct netlink_ext_ack *extack);
588 int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
589 void *type_data, bool err_stop, bool rtnl_held);
590 int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,
591 enum tc_setup_type type, void *type_data, bool err_stop,
592 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
593 int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp,
594 enum tc_setup_type type, void *type_data, bool err_stop,
595 u32 *old_flags, unsigned int *old_in_hw_count,
596 u32 *new_flags, unsigned int *new_in_hw_count,
598 int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp,
599 enum tc_setup_type type, void *type_data, bool err_stop,
600 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
601 int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp,
602 bool add, flow_setup_cb_t *cb,
603 enum tc_setup_type type, void *type_data,
604 void *cb_priv, u32 *flags, unsigned int *in_hw_count);
605 unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
607 #ifdef CONFIG_NET_CLS_ACT
608 int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
609 enum flow_block_binder_type binder_type,
610 struct nlattr *block_index_attr,
611 struct netlink_ext_ack *extack);
612 void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch);
613 int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
614 struct netlink_ext_ack *extack);
615 struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
616 struct sk_buff **to_free, int *ret);
617 int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe);
619 static inline int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
620 enum flow_block_binder_type binder_type,
621 struct nlattr *block_index_attr,
622 struct netlink_ext_ack *extack)
627 static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch)
631 static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
632 struct netlink_ext_ack *extack)
637 static inline struct sk_buff *
638 tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
639 struct sk_buff **to_free, int *ret)
644 static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe)
650 struct tc_cls_u32_knode {
651 struct tcf_exts *exts;
652 struct tcf_result *res;
653 struct tc_u32_sel *sel;
661 struct tc_cls_u32_hnode {
664 unsigned int divisor;
667 enum tc_clsu32_command {
669 TC_CLSU32_REPLACE_KNODE,
670 TC_CLSU32_DELETE_KNODE,
672 TC_CLSU32_REPLACE_HNODE,
673 TC_CLSU32_DELETE_HNODE,
676 struct tc_cls_u32_offload {
677 struct flow_cls_common_offload common;
679 enum tc_clsu32_command command;
681 struct tc_cls_u32_knode knode;
682 struct tc_cls_u32_hnode hnode;
686 static inline bool tc_can_offload(const struct net_device *dev)
688 return dev->features & NETIF_F_HW_TC;
691 static inline bool tc_can_offload_extack(const struct net_device *dev,
692 struct netlink_ext_ack *extack)
694 bool can = tc_can_offload(dev);
697 NL_SET_ERR_MSG(extack, "TC offload is disabled on net device");
703 tc_cls_can_offload_and_chain0(const struct net_device *dev,
704 struct flow_cls_common_offload *common)
706 if (!tc_can_offload_extack(dev, common->extack))
708 if (common->chain_index) {
709 NL_SET_ERR_MSG(common->extack,
710 "Driver supports only offload of chain 0");
716 static inline bool tc_skip_hw(u32 flags)
718 return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
721 static inline bool tc_skip_sw(u32 flags)
723 return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false;
726 /* SKIP_HW and SKIP_SW are mutually exclusive flags. */
727 static inline bool tc_flags_valid(u32 flags)
729 if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW |
730 TCA_CLS_FLAGS_VERBOSE))
733 flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW;
734 if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)))
740 static inline bool tc_in_hw(u32 flags)
742 return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false;
746 tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common,
747 const struct tcf_proto *tp, u32 flags,
748 struct netlink_ext_ack *extack)
750 cls_common->chain_index = tp->chain->index;
751 cls_common->protocol = tp->protocol;
752 cls_common->prio = tp->prio >> 16;
753 if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
754 cls_common->extack = extack;
757 #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
758 static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb)
760 struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
763 memset(tc_skb_ext, 0, sizeof(*tc_skb_ext));
768 enum tc_matchall_command {
769 TC_CLSMATCHALL_REPLACE,
770 TC_CLSMATCHALL_DESTROY,
771 TC_CLSMATCHALL_STATS,
774 struct tc_cls_matchall_offload {
775 struct flow_cls_common_offload common;
776 enum tc_matchall_command command;
777 struct flow_rule *rule;
778 struct flow_stats stats;
780 unsigned long cookie;
783 enum tc_clsbpf_command {
788 struct tc_cls_bpf_offload {
789 struct flow_cls_common_offload common;
790 enum tc_clsbpf_command command;
791 struct tcf_exts *exts;
792 struct bpf_prog *prog;
793 struct bpf_prog *oldprog;
795 bool exts_integrated;
798 /* This structure holds cookie structure that is passed from user
799 * to the kernel for actions and classifiers
807 struct tc_qopt_offload_stats {
808 struct gnet_stats_basic_sync *bstats;
809 struct gnet_stats_queue *qstats;
819 struct tc_mq_opt_offload_graft_params {
824 struct tc_mq_qopt_offload {
825 enum tc_mq_command command;
828 struct tc_qopt_offload_stats stats;
829 struct tc_mq_opt_offload_graft_params graft_params;
833 enum tc_htb_command {
835 TC_HTB_CREATE, /* Initialize HTB offload. */
836 TC_HTB_DESTROY, /* Destroy HTB offload. */
839 /* Allocate qid and create leaf. */
840 TC_HTB_LEAF_ALLOC_QUEUE,
841 /* Convert leaf to inner, preserve and return qid, create new leaf. */
842 TC_HTB_LEAF_TO_INNER,
843 /* Delete leaf, while siblings remain. */
845 /* Delete leaf, convert parent to leaf, preserving qid. */
846 TC_HTB_LEAF_DEL_LAST,
847 /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */
848 TC_HTB_LEAF_DEL_LAST_FORCE,
849 /* Modify parameters of a node. */
853 TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */
856 struct tc_htb_qopt_offload {
857 struct netlink_ext_ack *extack;
858 enum tc_htb_command command;
868 #define TC_HTB_CLASSID_ROOT U32_MAX
870 enum tc_red_command {
878 struct tc_red_qopt_offload_params {
886 struct gnet_stats_queue *qstats;
889 struct tc_red_qopt_offload {
890 enum tc_red_command command;
894 struct tc_red_qopt_offload_params set;
895 struct tc_qopt_offload_stats stats;
896 struct red_stats *xstats;
901 enum tc_gred_command {
907 struct tc_gred_vq_qopt_offload_params {
916 /* Only need backlog, see struct tc_prio_qopt_offload_params */
920 struct tc_gred_qopt_offload_params {
925 struct gnet_stats_queue *qstats;
926 struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
929 struct tc_gred_qopt_offload_stats {
930 struct gnet_stats_basic_sync bstats[MAX_DPs];
931 struct gnet_stats_queue qstats[MAX_DPs];
932 struct red_stats *xstats[MAX_DPs];
935 struct tc_gred_qopt_offload {
936 enum tc_gred_command command;
940 struct tc_gred_qopt_offload_params set;
941 struct tc_gred_qopt_offload_stats stats;
945 enum tc_prio_command {
952 struct tc_prio_qopt_offload_params {
954 u8 priomap[TC_PRIO_MAX + 1];
955 /* At the point of un-offloading the Qdisc, the reported backlog and
956 * qlen need to be reduced by the portion that is in HW.
958 struct gnet_stats_queue *qstats;
961 struct tc_prio_qopt_offload_graft_params {
966 struct tc_prio_qopt_offload {
967 enum tc_prio_command command;
971 struct tc_prio_qopt_offload_params replace_params;
972 struct tc_qopt_offload_stats stats;
973 struct tc_prio_qopt_offload_graft_params graft_params;
977 enum tc_root_command {
981 struct tc_root_qopt_offload {
982 enum tc_root_command command;
987 enum tc_ets_command {
994 struct tc_ets_qopt_offload_replace_params {
996 u8 priomap[TC_PRIO_MAX + 1];
997 unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */
998 unsigned int weights[TCQ_ETS_MAX_BANDS];
999 struct gnet_stats_queue *qstats;
1002 struct tc_ets_qopt_offload_graft_params {
1007 struct tc_ets_qopt_offload {
1008 enum tc_ets_command command;
1012 struct tc_ets_qopt_offload_replace_params replace_params;
1013 struct tc_qopt_offload_stats stats;
1014 struct tc_ets_qopt_offload_graft_params graft_params;
1018 enum tc_tbf_command {
1025 struct tc_tbf_qopt_offload_replace_params {
1026 struct psched_ratecfg rate;
1028 struct gnet_stats_queue *qstats;
1031 struct tc_tbf_qopt_offload {
1032 enum tc_tbf_command command;
1036 struct tc_tbf_qopt_offload_replace_params replace_params;
1037 struct tc_qopt_offload_stats stats;
1042 enum tc_fifo_command {
1048 struct tc_fifo_qopt_offload {
1049 enum tc_fifo_command command;
1053 struct tc_qopt_offload_stats stats;
1057 #ifdef CONFIG_NET_CLS_ACT
1058 DECLARE_STATIC_KEY_FALSE(tc_skb_ext_tc);
1059 void tc_skb_ext_tc_enable(void);
1060 void tc_skb_ext_tc_disable(void);
1061 #define tc_skb_ext_tc_enabled() static_branch_unlikely(&tc_skb_ext_tc)
1062 #else /* CONFIG_NET_CLS_ACT */
1063 static inline void tc_skb_ext_tc_enable(void) { }
1064 static inline void tc_skb_ext_tc_disable(void) { }
1065 #define tc_skb_ext_tc_enabled() false