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);
158 __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base)
162 cl = q->ops->cl_ops->bind_tcf(q, base, r->classid);
163 cl = __cls_set_class(&r->class, cl);
165 q->ops->cl_ops->unbind_tcf(q, cl);
169 tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base)
171 struct Qdisc *q = tp->chain->block->q;
173 /* Check q as it is not set for shared blocks. In that case,
174 * setting class is not supported.
179 __tcf_bind_filter(q, r, base);
184 __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r)
188 if ((cl = __cls_set_class(&r->class, 0)) != 0)
189 q->ops->cl_ops->unbind_tcf(q, cl);
193 tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r)
195 struct Qdisc *q = tp->chain->block->q;
199 __tcf_unbind_filter(q, r);
202 static inline void tc_cls_bind_class(u32 classid, unsigned long cl,
203 void *q, struct tcf_result *res,
206 if (res->classid == classid) {
208 __tcf_bind_filter(q, res, base);
210 __tcf_unbind_filter(q, res);
215 #ifdef CONFIG_NET_CLS_ACT
216 __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
218 struct tc_action **actions;
220 netns_tracker ns_tracker;
221 struct tcf_exts_miss_cookie_node *miss_cookie_node;
223 /* Map to export classifier specific extension TLV types to the
224 * generic extensions API. Unsupported extensions must be set to 0.
230 static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
231 int action, int police)
233 #ifdef CONFIG_NET_CLS
234 return tcf_exts_init_ex(exts, net, action, police, NULL, 0, false);
240 /* Return false if the netns is being destroyed in cleanup_net(). Callers
241 * need to do cleanup synchronously in this case, otherwise may race with
242 * tc_action_net_exit(). Return true for other cases.
244 static inline bool tcf_exts_get_net(struct tcf_exts *exts)
246 #ifdef CONFIG_NET_CLS_ACT
247 exts->net = maybe_get_net(exts->net);
249 netns_tracker_alloc(exts->net, &exts->ns_tracker, GFP_KERNEL);
250 return exts->net != NULL;
256 static inline void tcf_exts_put_net(struct tcf_exts *exts)
258 #ifdef CONFIG_NET_CLS_ACT
260 put_net_track(exts->net, &exts->ns_tracker);
264 #ifdef CONFIG_NET_CLS_ACT
265 #define tcf_exts_for_each_action(i, a, exts) \
266 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
268 #define tcf_exts_for_each_action(i, a, exts) \
269 for (; 0; (void)(i), (void)(a), (void)(exts))
272 #define tcf_act_for_each_action(i, a, actions) \
273 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++)
275 static inline bool tc_act_in_hw(struct tc_action *act)
277 return !!act->in_hw_count;
281 tcf_exts_hw_stats_update(const struct tcf_exts *exts,
282 struct flow_stats *stats,
285 #ifdef CONFIG_NET_CLS_ACT
288 for (i = 0; i < exts->nr_actions; i++) {
289 struct tc_action *a = exts->actions[i];
291 if (use_act_stats || tc_act_in_hw(a)) {
292 if (!tcf_action_update_hw_stats(a))
297 tcf_action_stats_update(a, stats->bytes, stats->pkts, stats->drops,
298 stats->lastused, true);
301 a->used_hw_stats = stats->used_hw_stats;
302 a->used_hw_stats_valid = stats->used_hw_stats_valid;
308 * tcf_exts_has_actions - check if at least one action is present
309 * @exts: tc filter extensions handle
311 * Returns true if at least one action is present.
313 static inline bool tcf_exts_has_actions(struct tcf_exts *exts)
315 #ifdef CONFIG_NET_CLS_ACT
316 return exts->nr_actions;
323 * tcf_exts_exec - execute tc filter extensions
324 * @skb: socket buffer
325 * @exts: tc filter extensions handle
326 * @res: desired result
328 * Executes all configured extensions. Returns TC_ACT_OK on a normal execution,
329 * a negative number if the filter must be considered unmatched or
330 * a positive action code (TC_ACT_*) which must be returned to the
334 tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
335 struct tcf_result *res)
337 #ifdef CONFIG_NET_CLS_ACT
338 return tcf_action_exec(skb, exts->actions, exts->nr_actions, res);
344 tcf_exts_exec_ex(struct sk_buff *skb, struct tcf_exts *exts, int act_index,
345 struct tcf_result *res)
347 #ifdef CONFIG_NET_CLS_ACT
348 return tcf_action_exec(skb, exts->actions + act_index,
349 exts->nr_actions - act_index, res);
355 int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
356 struct nlattr **tb, struct nlattr *rate_tlv,
357 struct tcf_exts *exts, u32 flags,
358 struct netlink_ext_ack *extack);
359 int tcf_exts_validate_ex(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
360 struct nlattr *rate_tlv, struct tcf_exts *exts,
361 u32 flags, u32 fl_flags, struct netlink_ext_ack *extack);
362 void tcf_exts_destroy(struct tcf_exts *exts);
363 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
364 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
365 int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
366 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
369 * struct tcf_pkt_info - packet information
371 * @ptr: start of the pkt data
372 * @nexthdr: offset of the next header
374 struct tcf_pkt_info {
379 #ifdef CONFIG_NET_EMATCH
381 struct tcf_ematch_ops;
384 * struct tcf_ematch - extended match (ematch)
386 * @matchid: identifier to allow userspace to reidentify a match
387 * @flags: flags specifying attributes and the relation to other matches
388 * @ops: the operations lookup table of the corresponding ematch module
389 * @datalen: length of the ematch specific configuration data
390 * @data: ematch specific data
391 * @net: the network namespace
394 struct tcf_ematch_ops * ops;
396 unsigned int datalen;
402 static inline int tcf_em_is_container(struct tcf_ematch *em)
407 static inline int tcf_em_is_simple(struct tcf_ematch *em)
409 return em->flags & TCF_EM_SIMPLE;
412 static inline int tcf_em_is_inverted(struct tcf_ematch *em)
414 return em->flags & TCF_EM_INVERT;
417 static inline int tcf_em_last_match(struct tcf_ematch *em)
419 return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END;
422 static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
424 if (tcf_em_last_match(em))
427 if (result == 0 && em->flags & TCF_EM_REL_AND)
430 if (result != 0 && em->flags & TCF_EM_REL_OR)
437 * struct tcf_ematch_tree - ematch tree handle
439 * @hdr: ematch tree header supplied by userspace
440 * @matches: array of ematches
442 struct tcf_ematch_tree {
443 struct tcf_ematch_tree_hdr hdr;
444 struct tcf_ematch * matches;
449 * struct tcf_ematch_ops - ematch module operations
451 * @kind: identifier (kind) of this ematch module
452 * @datalen: length of expected configuration data (optional)
453 * @change: called during validation (optional)
454 * @match: called during ematch tree evaluation, must return 1/0
455 * @destroy: called during destroyage (optional)
456 * @dump: called during dumping process (optional)
457 * @owner: owner, must be set to THIS_MODULE
458 * @link: link to previous/next ematch module (internal use)
460 struct tcf_ematch_ops {
463 int (*change)(struct net *net, void *,
464 int, struct tcf_ematch *);
465 int (*match)(struct sk_buff *, struct tcf_ematch *,
466 struct tcf_pkt_info *);
467 void (*destroy)(struct tcf_ematch *);
468 int (*dump)(struct sk_buff *, struct tcf_ematch *);
469 struct module *owner;
470 struct list_head link;
473 int tcf_em_register(struct tcf_ematch_ops *);
474 void tcf_em_unregister(struct tcf_ematch_ops *);
475 int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *,
476 struct tcf_ematch_tree *);
477 void tcf_em_tree_destroy(struct tcf_ematch_tree *);
478 int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int);
479 int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *,
480 struct tcf_pkt_info *);
483 * tcf_em_tree_match - evaulate an ematch tree
485 * @skb: socket buffer of the packet in question
486 * @tree: ematch tree to be used for evaluation
487 * @info: packet information examined by classifier
489 * This function matches @skb against the ematch tree in @tree by going
490 * through all ematches respecting their logic relations returning
491 * as soon as the result is obvious.
493 * Returns 1 if the ematch tree as-one matches, no ematches are configured
494 * or ematch is not enabled in the kernel, otherwise 0 is returned.
496 static inline int tcf_em_tree_match(struct sk_buff *skb,
497 struct tcf_ematch_tree *tree,
498 struct tcf_pkt_info *info)
500 if (tree->hdr.nmatches)
501 return __tcf_em_tree_match(skb, tree, info);
506 #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind))
508 #else /* CONFIG_NET_EMATCH */
510 struct tcf_ematch_tree {
513 #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
514 #define tcf_em_tree_destroy(t) do { (void)(t); } while(0)
515 #define tcf_em_tree_dump(skb, t, tlv) (0)
516 #define tcf_em_tree_match(skb, t, info) ((void)(info), 1)
518 #endif /* CONFIG_NET_EMATCH */
520 static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer)
524 return skb_mac_header(skb);
525 case TCF_LAYER_NETWORK:
526 return skb_network_header(skb);
527 case TCF_LAYER_TRANSPORT:
528 return skb_transport_header(skb);
534 static inline int tcf_valid_offset(const struct sk_buff *skb,
535 const unsigned char *ptr, const int len)
537 return likely((ptr + len) <= skb_tail_pointer(skb) &&
539 (ptr <= (ptr + len)));
543 tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
544 struct netlink_ext_ack *extack)
546 char indev[IFNAMSIZ];
547 struct net_device *dev;
549 if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
550 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
551 "Interface name too long");
554 dev = __dev_get_by_name(net, indev);
556 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
557 "Network device not found");
564 tcf_match_indev(struct sk_buff *skb, int ifindex)
570 return ifindex == skb->skb_iif;
573 int tc_setup_offload_action(struct flow_action *flow_action,
574 const struct tcf_exts *exts,
575 struct netlink_ext_ack *extack);
576 void tc_cleanup_offload_action(struct flow_action *flow_action);
577 int tc_setup_action(struct flow_action *flow_action,
578 struct tc_action *actions[],
579 u32 miss_cookie_base,
580 struct netlink_ext_ack *extack);
582 int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
583 void *type_data, bool err_stop, bool rtnl_held);
584 int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,
585 enum tc_setup_type type, void *type_data, bool err_stop,
586 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
587 int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp,
588 enum tc_setup_type type, void *type_data, bool err_stop,
589 u32 *old_flags, unsigned int *old_in_hw_count,
590 u32 *new_flags, unsigned int *new_in_hw_count,
592 int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp,
593 enum tc_setup_type type, void *type_data, bool err_stop,
594 u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
595 int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp,
596 bool add, flow_setup_cb_t *cb,
597 enum tc_setup_type type, void *type_data,
598 void *cb_priv, u32 *flags, unsigned int *in_hw_count);
599 unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
601 #ifdef CONFIG_NET_CLS_ACT
602 int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch,
603 enum flow_block_binder_type binder_type,
604 struct nlattr *block_index_attr,
605 struct netlink_ext_ack *extack);
606 void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch);
607 int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
608 struct netlink_ext_ack *extack);
609 struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
610 struct sk_buff **to_free, int *ret);
611 int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe);
613 static inline 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)
621 static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch)
625 static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
626 struct netlink_ext_ack *extack)
631 static inline struct sk_buff *
632 tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb,
633 struct sk_buff **to_free, int *ret)
638 static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe)
644 struct tc_cls_u32_knode {
645 struct tcf_exts *exts;
646 struct tcf_result *res;
647 struct tc_u32_sel *sel;
655 struct tc_cls_u32_hnode {
658 unsigned int divisor;
661 enum tc_clsu32_command {
663 TC_CLSU32_REPLACE_KNODE,
664 TC_CLSU32_DELETE_KNODE,
666 TC_CLSU32_REPLACE_HNODE,
667 TC_CLSU32_DELETE_HNODE,
670 struct tc_cls_u32_offload {
671 struct flow_cls_common_offload common;
673 enum tc_clsu32_command command;
675 struct tc_cls_u32_knode knode;
676 struct tc_cls_u32_hnode hnode;
680 static inline bool tc_can_offload(const struct net_device *dev)
682 return dev->features & NETIF_F_HW_TC;
685 static inline bool tc_can_offload_extack(const struct net_device *dev,
686 struct netlink_ext_ack *extack)
688 bool can = tc_can_offload(dev);
691 NL_SET_ERR_MSG(extack, "TC offload is disabled on net device");
697 tc_cls_can_offload_and_chain0(const struct net_device *dev,
698 struct flow_cls_common_offload *common)
700 if (!tc_can_offload_extack(dev, common->extack))
702 if (common->chain_index) {
703 NL_SET_ERR_MSG(common->extack,
704 "Driver supports only offload of chain 0");
710 static inline bool tc_skip_hw(u32 flags)
712 return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
715 static inline bool tc_skip_sw(u32 flags)
717 return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false;
720 /* SKIP_HW and SKIP_SW are mutually exclusive flags. */
721 static inline bool tc_flags_valid(u32 flags)
723 if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW |
724 TCA_CLS_FLAGS_VERBOSE))
727 flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW;
728 if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)))
734 static inline bool tc_in_hw(u32 flags)
736 return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false;
740 tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common,
741 const struct tcf_proto *tp, u32 flags,
742 struct netlink_ext_ack *extack)
744 cls_common->chain_index = tp->chain->index;
745 cls_common->protocol = tp->protocol;
746 cls_common->prio = tp->prio >> 16;
747 if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
748 cls_common->extack = extack;
751 #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
752 static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb)
754 struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
757 memset(tc_skb_ext, 0, sizeof(*tc_skb_ext));
762 enum tc_matchall_command {
763 TC_CLSMATCHALL_REPLACE,
764 TC_CLSMATCHALL_DESTROY,
765 TC_CLSMATCHALL_STATS,
768 struct tc_cls_matchall_offload {
769 struct flow_cls_common_offload common;
770 enum tc_matchall_command command;
771 struct flow_rule *rule;
772 struct flow_stats stats;
774 unsigned long cookie;
777 enum tc_clsbpf_command {
782 struct tc_cls_bpf_offload {
783 struct flow_cls_common_offload common;
784 enum tc_clsbpf_command command;
785 struct tcf_exts *exts;
786 struct bpf_prog *prog;
787 struct bpf_prog *oldprog;
789 bool exts_integrated;
792 /* This structure holds cookie structure that is passed from user
793 * to the kernel for actions and classifiers
801 struct tc_qopt_offload_stats {
802 struct gnet_stats_basic_sync *bstats;
803 struct gnet_stats_queue *qstats;
813 struct tc_mq_opt_offload_graft_params {
818 struct tc_mq_qopt_offload {
819 enum tc_mq_command command;
822 struct tc_qopt_offload_stats stats;
823 struct tc_mq_opt_offload_graft_params graft_params;
827 enum tc_htb_command {
829 TC_HTB_CREATE, /* Initialize HTB offload. */
830 TC_HTB_DESTROY, /* Destroy HTB offload. */
833 /* Allocate qid and create leaf. */
834 TC_HTB_LEAF_ALLOC_QUEUE,
835 /* Convert leaf to inner, preserve and return qid, create new leaf. */
836 TC_HTB_LEAF_TO_INNER,
837 /* Delete leaf, while siblings remain. */
839 /* Delete leaf, convert parent to leaf, preserving qid. */
840 TC_HTB_LEAF_DEL_LAST,
841 /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */
842 TC_HTB_LEAF_DEL_LAST_FORCE,
843 /* Modify parameters of a node. */
847 TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */
850 struct tc_htb_qopt_offload {
851 struct netlink_ext_ack *extack;
852 enum tc_htb_command command;
862 #define TC_HTB_CLASSID_ROOT U32_MAX
864 enum tc_red_command {
872 struct tc_red_qopt_offload_params {
880 struct gnet_stats_queue *qstats;
883 struct tc_red_qopt_offload {
884 enum tc_red_command command;
888 struct tc_red_qopt_offload_params set;
889 struct tc_qopt_offload_stats stats;
890 struct red_stats *xstats;
895 enum tc_gred_command {
901 struct tc_gred_vq_qopt_offload_params {
910 /* Only need backlog, see struct tc_prio_qopt_offload_params */
914 struct tc_gred_qopt_offload_params {
919 struct gnet_stats_queue *qstats;
920 struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
923 struct tc_gred_qopt_offload_stats {
924 struct gnet_stats_basic_sync bstats[MAX_DPs];
925 struct gnet_stats_queue qstats[MAX_DPs];
926 struct red_stats *xstats[MAX_DPs];
929 struct tc_gred_qopt_offload {
930 enum tc_gred_command command;
934 struct tc_gred_qopt_offload_params set;
935 struct tc_gred_qopt_offload_stats stats;
939 enum tc_prio_command {
946 struct tc_prio_qopt_offload_params {
948 u8 priomap[TC_PRIO_MAX + 1];
949 /* At the point of un-offloading the Qdisc, the reported backlog and
950 * qlen need to be reduced by the portion that is in HW.
952 struct gnet_stats_queue *qstats;
955 struct tc_prio_qopt_offload_graft_params {
960 struct tc_prio_qopt_offload {
961 enum tc_prio_command command;
965 struct tc_prio_qopt_offload_params replace_params;
966 struct tc_qopt_offload_stats stats;
967 struct tc_prio_qopt_offload_graft_params graft_params;
971 enum tc_root_command {
975 struct tc_root_qopt_offload {
976 enum tc_root_command command;
981 enum tc_ets_command {
988 struct tc_ets_qopt_offload_replace_params {
990 u8 priomap[TC_PRIO_MAX + 1];
991 unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */
992 unsigned int weights[TCQ_ETS_MAX_BANDS];
993 struct gnet_stats_queue *qstats;
996 struct tc_ets_qopt_offload_graft_params {
1001 struct tc_ets_qopt_offload {
1002 enum tc_ets_command command;
1006 struct tc_ets_qopt_offload_replace_params replace_params;
1007 struct tc_qopt_offload_stats stats;
1008 struct tc_ets_qopt_offload_graft_params graft_params;
1012 enum tc_tbf_command {
1019 struct tc_tbf_qopt_offload_replace_params {
1020 struct psched_ratecfg rate;
1022 struct gnet_stats_queue *qstats;
1025 struct tc_tbf_qopt_offload {
1026 enum tc_tbf_command command;
1030 struct tc_tbf_qopt_offload_replace_params replace_params;
1031 struct tc_qopt_offload_stats stats;
1036 enum tc_fifo_command {
1042 struct tc_fifo_qopt_offload {
1043 enum tc_fifo_command command;
1047 struct tc_qopt_offload_stats stats;
1051 #ifdef CONFIG_NET_CLS_ACT
1052 DECLARE_STATIC_KEY_FALSE(tc_skb_ext_tc);
1053 void tc_skb_ext_tc_enable(void);
1054 void tc_skb_ext_tc_disable(void);
1055 #define tc_skb_ext_tc_enabled() static_branch_unlikely(&tc_skb_ext_tc)
1056 #else /* CONFIG_NET_CLS_ACT */
1057 static inline void tc_skb_ext_tc_enable(void) { }
1058 static inline void tc_skb_ext_tc_disable(void) { }
1059 #define tc_skb_ext_tc_enabled() false