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);
27 #define NET_CLS_ALIAS_PREFIX "net-cls-"
28 #define MODULE_ALIAS_NET_CLS(kind) MODULE_ALIAS(NET_CLS_ALIAS_PREFIX kind)
30 struct tcf_block_ext_info {
31 enum flow_block_binder_type binder_type;
32 tcf_chain_head_change_t *chain_head_change;
33 void *chain_head_change_priv;
38 struct tcf_block *block;
39 struct tcf_block_ext_info info;
40 struct tcf_proto __rcu *filter_chain;
44 bool tcf_queue_work(struct rcu_work *rwork, work_func_t func);
47 struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block,
49 void tcf_chain_put_by_act(struct tcf_chain *chain);
50 struct tcf_chain *tcf_get_next_chain(struct tcf_block *block,
51 struct tcf_chain *chain);
52 struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain,
53 struct tcf_proto *tp);
54 void tcf_block_netif_keep_dst(struct tcf_block *block);
55 int tcf_block_get(struct tcf_block **p_block,
56 struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
57 struct netlink_ext_ack *extack);
58 int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
59 struct tcf_block_ext_info *ei,
60 struct netlink_ext_ack *extack);
61 void tcf_block_put(struct tcf_block *block);
62 void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
63 struct tcf_block_ext_info *ei);
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);
67 static inline bool tcf_block_shared(struct tcf_block *block)
72 static inline bool tcf_block_non_null_shared(struct tcf_block *block)
74 return block && block->index;
77 #ifdef CONFIG_NET_CLS_ACT
78 DECLARE_STATIC_KEY_FALSE(tcf_bypass_check_needed_key);
80 static inline bool tcf_block_bypass_sw(struct tcf_block *block)
82 return block && block->bypass_wanted;
86 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
88 WARN_ON(tcf_block_shared(block));
92 int tcf_classify(struct sk_buff *skb,
93 const struct tcf_block *block,
94 const struct tcf_proto *tp, struct tcf_result *res,
97 static inline bool tc_cls_stats_dump(struct tcf_proto *tp,
98 struct tcf_walker *arg,
101 if (arg->count >= arg->skip && arg->fn(tp, filter, arg) < 0) {
111 static inline bool tcf_block_shared(struct tcf_block *block)
116 static inline bool tcf_block_non_null_shared(struct tcf_block *block)
122 int tcf_block_get(struct tcf_block **p_block,
123 struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
124 struct netlink_ext_ack *extack)
130 int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
131 struct tcf_block_ext_info *ei,
132 struct netlink_ext_ack *extack)
137 static inline void tcf_block_put(struct tcf_block *block)
142 void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
143 struct tcf_block_ext_info *ei)
147 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
152 static inline int tcf_classify(struct sk_buff *skb,
153 const struct tcf_block *block,
154 const struct tcf_proto *tp,
155 struct tcf_result *res, bool compat_mode)
157 return TC_ACT_UNSPEC;
162 static inline unsigned long
163 __cls_set_class(unsigned long *clp, unsigned long cl)
165 return xchg(clp, cl);
169 __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base)
173 cl = q->ops->cl_ops->bind_tcf(q, base, r->classid);
174 cl = __cls_set_class(&r->class, cl);
176 q->ops->cl_ops->unbind_tcf(q, cl);
180 tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base)
182 struct Qdisc *q = tp->chain->block->q;
184 /* Check q as it is not set for shared blocks. In that case,
185 * setting class is not supported.
190 __tcf_bind_filter(q, r, base);
195 __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r)
199 if ((cl = __cls_set_class(&r->class, 0)) != 0)
200 q->ops->cl_ops->unbind_tcf(q, cl);
204 tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r)
206 struct Qdisc *q = tp->chain->block->q;
210 __tcf_unbind_filter(q, r);
213 static inline void tc_cls_bind_class(u32 classid, unsigned long cl,
214 void *q, struct tcf_result *res,
217 if (res->classid == classid) {
219 __tcf_bind_filter(q, res, base);
221 __tcf_unbind_filter(q, res);
226 #ifdef CONFIG_NET_CLS_ACT
227 __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
229 struct tc_action **actions;
231 netns_tracker ns_tracker;
232 struct tcf_exts_miss_cookie_node *miss_cookie_node;
234 /* Map to export classifier specific extension TLV types to the
235 * generic extensions API. Unsupported extensions must be set to 0.
241 static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
242 int action, int police)
244 #ifdef CONFIG_NET_CLS
245 return tcf_exts_init_ex(exts, net, action, police, NULL, 0, false);
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.
255 static inline bool tcf_exts_get_net(struct tcf_exts *exts)
257 #ifdef CONFIG_NET_CLS_ACT
258 exts->net = maybe_get_net(exts->net);
260 netns_tracker_alloc(exts->net, &exts->ns_tracker, GFP_KERNEL);
261 return exts->net != NULL;
267 static inline void tcf_exts_put_net(struct tcf_exts *exts)
269 #ifdef CONFIG_NET_CLS_ACT
271 put_net_track(exts->net, &exts->ns_tracker);
275 #ifdef CONFIG_NET_CLS_ACT
276 #define tcf_exts_for_each_action(i, a, exts) \
277 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
279 #define tcf_exts_for_each_action(i, a, exts) \
280 for (; 0; (void)(i), (void)(a), (void)(exts))
283 #define tcf_act_for_each_action(i, a, actions) \
284 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++)
286 static inline bool tc_act_in_hw(struct tc_action *act)
288 return !!act->in_hw_count;
292 tcf_exts_hw_stats_update(const struct tcf_exts *exts,
293 struct flow_stats *stats,
296 #ifdef CONFIG_NET_CLS_ACT
299 for (i = 0; i < exts->nr_actions; i++) {
300 struct tc_action *a = exts->actions[i];
302 if (use_act_stats || tc_act_in_hw(a)) {
303 if (!tcf_action_update_hw_stats(a))
308 tcf_action_stats_update(a, stats->bytes, stats->pkts, stats->drops,
309 stats->lastused, true);
312 a->used_hw_stats = stats->used_hw_stats;
313 a->used_hw_stats_valid = stats->used_hw_stats_valid;
319 * tcf_exts_has_actions - check if at least one action is present
320 * @exts: tc filter extensions handle
322 * Returns true if at least one action is present.
324 static inline bool tcf_exts_has_actions(struct tcf_exts *exts)
326 #ifdef CONFIG_NET_CLS_ACT
327 return exts->nr_actions;
334 * tcf_exts_exec - execute tc filter extensions
335 * @skb: socket buffer
336 * @exts: tc filter extensions handle
337 * @res: desired result
339 * Executes all configured extensions. Returns TC_ACT_OK on a normal execution,
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
345 tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
346 struct tcf_result *res)
348 #ifdef CONFIG_NET_CLS_ACT
349 return tcf_action_exec(skb, exts->actions, exts->nr_actions, res);
355 tcf_exts_exec_ex(struct sk_buff *skb, struct tcf_exts *exts, int act_index,
356 struct tcf_result *res)
358 #ifdef CONFIG_NET_CLS_ACT
359 return tcf_action_exec(skb, exts->actions + act_index,
360 exts->nr_actions - act_index, res);
366 int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
367 struct nlattr **tb, struct nlattr *rate_tlv,
368 struct tcf_exts *exts, u32 flags,
369 struct netlink_ext_ack *extack);
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);
373 void tcf_exts_destroy(struct tcf_exts *exts);
374 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
375 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
376 int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
377 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
380 * struct tcf_pkt_info - packet information
382 * @ptr: start of the pkt data
383 * @nexthdr: offset of the next header
385 struct tcf_pkt_info {
390 #ifdef CONFIG_NET_EMATCH
392 struct tcf_ematch_ops;
395 * struct tcf_ematch - extended match (ematch)
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
402 * @net: the network namespace
405 struct tcf_ematch_ops * ops;
407 unsigned int datalen;
413 static inline int tcf_em_is_container(struct tcf_ematch *em)
418 static inline int tcf_em_is_simple(struct tcf_ematch *em)
420 return em->flags & TCF_EM_SIMPLE;
423 static inline int tcf_em_is_inverted(struct tcf_ematch *em)
425 return em->flags & TCF_EM_INVERT;
428 static inline int tcf_em_last_match(struct tcf_ematch *em)
430 return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END;
433 static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
435 if (tcf_em_last_match(em))
438 if (result == 0 && em->flags & TCF_EM_REL_AND)
441 if (result != 0 && em->flags & TCF_EM_REL_OR)
448 * struct tcf_ematch_tree - ematch tree handle
450 * @hdr: ematch tree header supplied by userspace
451 * @matches: array of ematches
453 struct tcf_ematch_tree {
454 struct tcf_ematch_tree_hdr hdr;
455 struct tcf_ematch * matches;
460 * struct tcf_ematch_ops - ematch module operations
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)
471 struct tcf_ematch_ops {
474 int (*change)(struct net *net, void *,
475 int, struct tcf_ematch *);
476 int (*match)(struct sk_buff *, struct tcf_ematch *,
477 struct tcf_pkt_info *);
478 void (*destroy)(struct tcf_ematch *);
479 int (*dump)(struct sk_buff *, struct tcf_ematch *);
480 struct module *owner;
481 struct list_head link;
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 *);
488 void tcf_em_tree_destroy(struct tcf_ematch_tree *);
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 *);
494 * tcf_em_tree_match - evaluate an ematch tree
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
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.
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.
507 static inline int tcf_em_tree_match(struct sk_buff *skb,
508 struct tcf_ematch_tree *tree,
509 struct tcf_pkt_info *info)
511 if (tree->hdr.nmatches)
512 return __tcf_em_tree_match(skb, tree, info);
517 #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind))
519 #else /* CONFIG_NET_EMATCH */
521 struct tcf_ematch_tree {
524 #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
525 #define tcf_em_tree_destroy(t) do { (void)(t); } while(0)
526 #define tcf_em_tree_dump(skb, t, tlv) (0)
527 #define tcf_em_tree_match(skb, t, info) ((void)(info), 1)
529 #endif /* CONFIG_NET_EMATCH */
531 static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer)
535 return skb_mac_header(skb);
536 case TCF_LAYER_NETWORK:
537 return skb_network_header(skb);
538 case TCF_LAYER_TRANSPORT:
539 return skb_transport_header(skb);
545 static inline int tcf_valid_offset(const struct sk_buff *skb,
546 const unsigned char *ptr, const int len)
548 return likely((ptr + len) <= skb_tail_pointer(skb) &&
550 (ptr <= (ptr + len)));
554 tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
555 struct netlink_ext_ack *extack)
557 char indev[IFNAMSIZ];
558 struct net_device *dev;
560 if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
561 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
562 "Interface name too long");
565 dev = __dev_get_by_name(net, indev);
567 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
568 "Network device not found");
575 tcf_match_indev(struct sk_buff *skb, int ifindex)
581 return ifindex == skb->skb_iif;
584 int tc_setup_offload_action(struct flow_action *flow_action,
585 const struct tcf_exts *exts,
586 struct netlink_ext_ack *extack);
587 void tc_cleanup_offload_action(struct flow_action *flow_action);
588 int tc_setup_action(struct flow_action *flow_action,
589 struct tc_action *actions[],
590 u32 miss_cookie_base,
591 struct netlink_ext_ack *extack);
593 int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
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,
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);
610 unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
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,
621 struct sk_buff **to_free, int *ret);
622 int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe);
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)
632 static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch)
636 static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
637 struct netlink_ext_ack *extack)
642 static inline struct sk_buff *
643 tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
644 struct sk_buff **to_free, int *ret)
649 static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe)
655 struct tc_cls_u32_knode {
656 struct tcf_exts *exts;
657 struct tcf_result *res;
658 struct tc_u32_sel *sel;
666 struct tc_cls_u32_hnode {
669 unsigned int divisor;
672 enum tc_clsu32_command {
674 TC_CLSU32_REPLACE_KNODE,
675 TC_CLSU32_DELETE_KNODE,
677 TC_CLSU32_REPLACE_HNODE,
678 TC_CLSU32_DELETE_HNODE,
681 struct tc_cls_u32_offload {
682 struct flow_cls_common_offload common;
684 enum tc_clsu32_command command;
686 struct tc_cls_u32_knode knode;
687 struct tc_cls_u32_hnode hnode;
691 static inline bool tc_can_offload(const struct net_device *dev)
693 return dev->features & NETIF_F_HW_TC;
696 static inline bool tc_can_offload_extack(const struct net_device *dev,
697 struct netlink_ext_ack *extack)
699 bool can = tc_can_offload(dev);
702 NL_SET_ERR_MSG(extack, "TC offload is disabled on net device");
708 tc_cls_can_offload_and_chain0(const struct net_device *dev,
709 struct flow_cls_common_offload *common)
711 if (!tc_can_offload_extack(dev, common->extack))
713 if (common->chain_index) {
714 NL_SET_ERR_MSG(common->extack,
715 "Driver supports only offload of chain 0");
721 static inline bool tc_skip_hw(u32 flags)
723 return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
726 static inline bool tc_skip_sw(u32 flags)
728 return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false;
731 /* SKIP_HW and SKIP_SW are mutually exclusive flags. */
732 static inline bool tc_flags_valid(u32 flags)
734 if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW |
735 TCA_CLS_FLAGS_VERBOSE))
738 flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW;
739 if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)))
745 static inline bool tc_in_hw(u32 flags)
747 return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false;
751 tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common,
752 const struct tcf_proto *tp, u32 flags,
753 struct netlink_ext_ack *extack)
755 cls_common->chain_index = tp->chain->index;
756 cls_common->protocol = tp->protocol;
757 cls_common->prio = tp->prio >> 16;
758 cls_common->skip_sw = tc_skip_sw(flags);
759 if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
760 cls_common->extack = extack;
763 #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
764 static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb)
766 struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
769 memset(tc_skb_ext, 0, sizeof(*tc_skb_ext));
774 enum tc_matchall_command {
775 TC_CLSMATCHALL_REPLACE,
776 TC_CLSMATCHALL_DESTROY,
777 TC_CLSMATCHALL_STATS,
780 struct tc_cls_matchall_offload {
781 struct flow_cls_common_offload common;
782 enum tc_matchall_command command;
783 struct flow_rule *rule;
784 struct flow_stats stats;
786 unsigned long cookie;
789 enum tc_clsbpf_command {
794 struct tc_cls_bpf_offload {
795 struct flow_cls_common_offload common;
796 enum tc_clsbpf_command command;
797 struct tcf_exts *exts;
798 struct bpf_prog *prog;
799 struct bpf_prog *oldprog;
801 bool exts_integrated;
804 /* This structure holds cookie structure that is passed from user
805 * to the kernel for actions and classifiers
813 struct tc_qopt_offload_stats {
814 struct gnet_stats_basic_sync *bstats;
815 struct gnet_stats_queue *qstats;
825 struct tc_mq_opt_offload_graft_params {
830 struct tc_mq_qopt_offload {
831 enum tc_mq_command command;
834 struct tc_qopt_offload_stats stats;
835 struct tc_mq_opt_offload_graft_params graft_params;
839 enum tc_htb_command {
841 TC_HTB_CREATE, /* Initialize HTB offload. */
842 TC_HTB_DESTROY, /* Destroy HTB offload. */
845 /* Allocate qid and create leaf. */
846 TC_HTB_LEAF_ALLOC_QUEUE,
847 /* Convert leaf to inner, preserve and return qid, create new leaf. */
848 TC_HTB_LEAF_TO_INNER,
849 /* Delete leaf, while siblings remain. */
851 /* Delete leaf, convert parent to leaf, preserving qid. */
852 TC_HTB_LEAF_DEL_LAST,
853 /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */
854 TC_HTB_LEAF_DEL_LAST_FORCE,
855 /* Modify parameters of a node. */
859 TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */
862 struct tc_htb_qopt_offload {
863 struct netlink_ext_ack *extack;
864 enum tc_htb_command command;
874 #define TC_HTB_CLASSID_ROOT U32_MAX
876 enum tc_red_command {
884 struct tc_red_qopt_offload_params {
892 struct gnet_stats_queue *qstats;
895 struct tc_red_qopt_offload {
896 enum tc_red_command command;
900 struct tc_red_qopt_offload_params set;
901 struct tc_qopt_offload_stats stats;
902 struct red_stats *xstats;
907 enum tc_gred_command {
913 struct tc_gred_vq_qopt_offload_params {
922 /* Only need backlog, see struct tc_prio_qopt_offload_params */
926 struct tc_gred_qopt_offload_params {
931 struct gnet_stats_queue *qstats;
932 struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
935 struct tc_gred_qopt_offload_stats {
936 struct gnet_stats_basic_sync bstats[MAX_DPs];
937 struct gnet_stats_queue qstats[MAX_DPs];
938 struct red_stats *xstats[MAX_DPs];
941 struct tc_gred_qopt_offload {
942 enum tc_gred_command command;
946 struct tc_gred_qopt_offload_params set;
947 struct tc_gred_qopt_offload_stats stats;
951 enum tc_prio_command {
958 struct tc_prio_qopt_offload_params {
960 u8 priomap[TC_PRIO_MAX + 1];
961 /* At the point of un-offloading the Qdisc, the reported backlog and
962 * qlen need to be reduced by the portion that is in HW.
964 struct gnet_stats_queue *qstats;
967 struct tc_prio_qopt_offload_graft_params {
972 struct tc_prio_qopt_offload {
973 enum tc_prio_command command;
977 struct tc_prio_qopt_offload_params replace_params;
978 struct tc_qopt_offload_stats stats;
979 struct tc_prio_qopt_offload_graft_params graft_params;
983 enum tc_root_command {
987 struct tc_root_qopt_offload {
988 enum tc_root_command command;
993 enum tc_ets_command {
1000 struct tc_ets_qopt_offload_replace_params {
1002 u8 priomap[TC_PRIO_MAX + 1];
1003 unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */
1004 unsigned int weights[TCQ_ETS_MAX_BANDS];
1005 struct gnet_stats_queue *qstats;
1008 struct tc_ets_qopt_offload_graft_params {
1013 struct tc_ets_qopt_offload {
1014 enum tc_ets_command command;
1018 struct tc_ets_qopt_offload_replace_params replace_params;
1019 struct tc_qopt_offload_stats stats;
1020 struct tc_ets_qopt_offload_graft_params graft_params;
1024 enum tc_tbf_command {
1031 struct tc_tbf_qopt_offload_replace_params {
1032 struct psched_ratecfg rate;
1034 struct gnet_stats_queue *qstats;
1037 struct tc_tbf_qopt_offload {
1038 enum tc_tbf_command command;
1042 struct tc_tbf_qopt_offload_replace_params replace_params;
1043 struct tc_qopt_offload_stats stats;
1048 enum tc_fifo_command {
1054 struct tc_fifo_qopt_offload {
1055 enum tc_fifo_command command;
1059 struct tc_qopt_offload_stats stats;
1063 #ifdef CONFIG_NET_CLS_ACT
1064 DECLARE_STATIC_KEY_FALSE(tc_skb_ext_tc);
1065 void tc_skb_ext_tc_enable(void);
1066 void tc_skb_ext_tc_disable(void);
1067 #define tc_skb_ext_tc_enabled() static_branch_unlikely(&tc_skb_ext_tc)
1068 #else /* CONFIG_NET_CLS_ACT */
1069 static inline void tc_skb_ext_tc_enable(void) { }
1070 static inline void tc_skb_ext_tc_disable(void) { }
1071 #define tc_skb_ext_tc_enabled() false