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);
63 static inline bool tcf_block_shared(struct tcf_block *block)
68 static inline bool tcf_block_non_null_shared(struct tcf_block *block)
70 return block && block->index;
73 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
75 WARN_ON(tcf_block_shared(block));
79 int tcf_classify(struct sk_buff *skb,
80 const struct tcf_block *block,
81 const struct tcf_proto *tp, struct tcf_result *res,
84 static inline bool tc_cls_stats_dump(struct tcf_proto *tp,
85 struct tcf_walker *arg,
88 if (arg->count >= arg->skip && arg->fn(tp, filter, arg) < 0) {
98 static inline bool tcf_block_shared(struct tcf_block *block)
103 static inline bool tcf_block_non_null_shared(struct tcf_block *block)
109 int tcf_block_get(struct tcf_block **p_block,
110 struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
111 struct netlink_ext_ack *extack)
117 int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
118 struct tcf_block_ext_info *ei,
119 struct netlink_ext_ack *extack)
124 static inline void tcf_block_put(struct tcf_block *block)
129 void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
130 struct tcf_block_ext_info *ei)
134 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
140 int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb,
147 void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb,
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;
233 /* Map to export classifier specific extension TLV types to the
234 * generic extensions API. Unsupported extensions must be set to 0.
240 static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
241 int action, int police)
243 #ifdef CONFIG_NET_CLS_ACT
245 exts->nr_actions = 0;
246 /* Note: we do not own yet a reference on net.
247 * This reference might be taken later from tcf_exts_get_net().
250 exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *),
255 exts->action = action;
256 exts->police = police;
260 /* Return false if the netns is being destroyed in cleanup_net(). Callers
261 * need to do cleanup synchronously in this case, otherwise may race with
262 * tc_action_net_exit(). Return true for other cases.
264 static inline bool tcf_exts_get_net(struct tcf_exts *exts)
266 #ifdef CONFIG_NET_CLS_ACT
267 exts->net = maybe_get_net(exts->net);
269 netns_tracker_alloc(exts->net, &exts->ns_tracker, GFP_KERNEL);
270 return exts->net != NULL;
276 static inline void tcf_exts_put_net(struct tcf_exts *exts)
278 #ifdef CONFIG_NET_CLS_ACT
280 put_net_track(exts->net, &exts->ns_tracker);
284 #ifdef CONFIG_NET_CLS_ACT
285 #define tcf_exts_for_each_action(i, a, exts) \
286 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++)
288 #define tcf_exts_for_each_action(i, a, exts) \
289 for (; 0; (void)(i), (void)(a), (void)(exts))
292 #define tcf_act_for_each_action(i, a, actions) \
293 for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++)
296 tcf_exts_hw_stats_update(const struct tcf_exts *exts,
297 u64 bytes, u64 packets, u64 drops, u64 lastuse,
298 u8 used_hw_stats, bool used_hw_stats_valid)
300 #ifdef CONFIG_NET_CLS_ACT
303 for (i = 0; i < exts->nr_actions; i++) {
304 struct tc_action *a = exts->actions[i];
306 /* if stats from hw, just skip */
307 if (tcf_action_update_hw_stats(a)) {
309 tcf_action_stats_update(a, bytes, packets, drops,
313 a->used_hw_stats = used_hw_stats;
314 a->used_hw_stats_valid = 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);
356 int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
357 struct nlattr **tb, struct nlattr *rate_tlv,
358 struct tcf_exts *exts, u32 flags,
359 struct netlink_ext_ack *extack);
360 int tcf_exts_validate_ex(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
361 struct nlattr *rate_tlv, struct tcf_exts *exts,
362 u32 flags, u32 fl_flags, struct netlink_ext_ack *extack);
363 void tcf_exts_destroy(struct tcf_exts *exts);
364 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
365 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
366 int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
367 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
370 * struct tcf_pkt_info - packet information
372 * @ptr: start of the pkt data
373 * @nexthdr: offset of the next header
375 struct tcf_pkt_info {
380 #ifdef CONFIG_NET_EMATCH
382 struct tcf_ematch_ops;
385 * struct tcf_ematch - extended match (ematch)
387 * @matchid: identifier to allow userspace to reidentify a match
388 * @flags: flags specifying attributes and the relation to other matches
389 * @ops: the operations lookup table of the corresponding ematch module
390 * @datalen: length of the ematch specific configuration data
391 * @data: ematch specific data
392 * @net: the network namespace
395 struct tcf_ematch_ops * ops;
397 unsigned int datalen;
403 static inline int tcf_em_is_container(struct tcf_ematch *em)
408 static inline int tcf_em_is_simple(struct tcf_ematch *em)
410 return em->flags & TCF_EM_SIMPLE;
413 static inline int tcf_em_is_inverted(struct tcf_ematch *em)
415 return em->flags & TCF_EM_INVERT;
418 static inline int tcf_em_last_match(struct tcf_ematch *em)
420 return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END;
423 static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
425 if (tcf_em_last_match(em))
428 if (result == 0 && em->flags & TCF_EM_REL_AND)
431 if (result != 0 && em->flags & TCF_EM_REL_OR)
438 * struct tcf_ematch_tree - ematch tree handle
440 * @hdr: ematch tree header supplied by userspace
441 * @matches: array of ematches
443 struct tcf_ematch_tree {
444 struct tcf_ematch_tree_hdr hdr;
445 struct tcf_ematch * matches;
450 * struct tcf_ematch_ops - ematch module operations
452 * @kind: identifier (kind) of this ematch module
453 * @datalen: length of expected configuration data (optional)
454 * @change: called during validation (optional)
455 * @match: called during ematch tree evaluation, must return 1/0
456 * @destroy: called during destroyage (optional)
457 * @dump: called during dumping process (optional)
458 * @owner: owner, must be set to THIS_MODULE
459 * @link: link to previous/next ematch module (internal use)
461 struct tcf_ematch_ops {
464 int (*change)(struct net *net, void *,
465 int, struct tcf_ematch *);
466 int (*match)(struct sk_buff *, struct tcf_ematch *,
467 struct tcf_pkt_info *);
468 void (*destroy)(struct tcf_ematch *);
469 int (*dump)(struct sk_buff *, struct tcf_ematch *);
470 struct module *owner;
471 struct list_head link;
474 int tcf_em_register(struct tcf_ematch_ops *);
475 void tcf_em_unregister(struct tcf_ematch_ops *);
476 int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *,
477 struct tcf_ematch_tree *);
478 void tcf_em_tree_destroy(struct tcf_ematch_tree *);
479 int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int);
480 int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *,
481 struct tcf_pkt_info *);
484 * tcf_em_tree_match - evaulate an ematch tree
486 * @skb: socket buffer of the packet in question
487 * @tree: ematch tree to be used for evaluation
488 * @info: packet information examined by classifier
490 * This function matches @skb against the ematch tree in @tree by going
491 * through all ematches respecting their logic relations returning
492 * as soon as the result is obvious.
494 * Returns 1 if the ematch tree as-one matches, no ematches are configured
495 * or ematch is not enabled in the kernel, otherwise 0 is returned.
497 static inline int tcf_em_tree_match(struct sk_buff *skb,
498 struct tcf_ematch_tree *tree,
499 struct tcf_pkt_info *info)
501 if (tree->hdr.nmatches)
502 return __tcf_em_tree_match(skb, tree, info);
507 #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind))
509 #else /* CONFIG_NET_EMATCH */
511 struct tcf_ematch_tree {
514 #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
515 #define tcf_em_tree_destroy(t) do { (void)(t); } while(0)
516 #define tcf_em_tree_dump(skb, t, tlv) (0)
517 #define tcf_em_tree_match(skb, t, info) ((void)(info), 1)
519 #endif /* CONFIG_NET_EMATCH */
521 static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer)
525 return skb_mac_header(skb);
526 case TCF_LAYER_NETWORK:
527 return skb_network_header(skb);
528 case TCF_LAYER_TRANSPORT:
529 return skb_transport_header(skb);
535 static inline int tcf_valid_offset(const struct sk_buff *skb,
536 const unsigned char *ptr, const int len)
538 return likely((ptr + len) <= skb_tail_pointer(skb) &&
540 (ptr <= (ptr + len)));
544 tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
545 struct netlink_ext_ack *extack)
547 char indev[IFNAMSIZ];
548 struct net_device *dev;
550 if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
551 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
552 "Interface name too long");
555 dev = __dev_get_by_name(net, indev);
557 NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
558 "Network device not found");
565 tcf_match_indev(struct sk_buff *skb, int ifindex)
571 return ifindex == skb->skb_iif;
574 int tc_setup_offload_action(struct flow_action *flow_action,
575 const struct tcf_exts *exts,
576 struct netlink_ext_ack *extack);
577 void tc_cleanup_offload_action(struct flow_action *flow_action);
578 int tc_setup_action(struct flow_action *flow_action,
579 struct tc_action *actions[],
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;
773 unsigned long cookie;
776 enum tc_clsbpf_command {
781 struct tc_cls_bpf_offload {
782 struct flow_cls_common_offload common;
783 enum tc_clsbpf_command command;
784 struct tcf_exts *exts;
785 struct bpf_prog *prog;
786 struct bpf_prog *oldprog;
788 bool exts_integrated;
791 struct tc_mqprio_qopt_offload {
792 /* struct tc_mqprio_qopt must always be the first element */
793 struct tc_mqprio_qopt qopt;
797 u64 min_rate[TC_QOPT_MAX_QUEUE];
798 u64 max_rate[TC_QOPT_MAX_QUEUE];
801 /* This structure holds cookie structure that is passed from user
802 * to the kernel for actions and classifiers
810 struct tc_qopt_offload_stats {
811 struct gnet_stats_basic_sync *bstats;
812 struct gnet_stats_queue *qstats;
822 struct tc_mq_opt_offload_graft_params {
827 struct tc_mq_qopt_offload {
828 enum tc_mq_command command;
831 struct tc_qopt_offload_stats stats;
832 struct tc_mq_opt_offload_graft_params graft_params;
836 enum tc_htb_command {
838 TC_HTB_CREATE, /* Initialize HTB offload. */
839 TC_HTB_DESTROY, /* Destroy HTB offload. */
842 /* Allocate qid and create leaf. */
843 TC_HTB_LEAF_ALLOC_QUEUE,
844 /* Convert leaf to inner, preserve and return qid, create new leaf. */
845 TC_HTB_LEAF_TO_INNER,
846 /* Delete leaf, while siblings remain. */
848 /* Delete leaf, convert parent to leaf, preserving qid. */
849 TC_HTB_LEAF_DEL_LAST,
850 /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */
851 TC_HTB_LEAF_DEL_LAST_FORCE,
852 /* Modify parameters of a node. */
856 TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */
859 struct tc_htb_qopt_offload {
860 struct netlink_ext_ack *extack;
861 enum tc_htb_command command;
869 #define TC_HTB_CLASSID_ROOT U32_MAX
871 enum tc_red_command {
879 struct tc_red_qopt_offload_params {
887 struct gnet_stats_queue *qstats;
890 struct tc_red_qopt_offload {
891 enum tc_red_command command;
895 struct tc_red_qopt_offload_params set;
896 struct tc_qopt_offload_stats stats;
897 struct red_stats *xstats;
902 enum tc_gred_command {
908 struct tc_gred_vq_qopt_offload_params {
917 /* Only need backlog, see struct tc_prio_qopt_offload_params */
921 struct tc_gred_qopt_offload_params {
926 struct gnet_stats_queue *qstats;
927 struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
930 struct tc_gred_qopt_offload_stats {
931 struct gnet_stats_basic_sync bstats[MAX_DPs];
932 struct gnet_stats_queue qstats[MAX_DPs];
933 struct red_stats *xstats[MAX_DPs];
936 struct tc_gred_qopt_offload {
937 enum tc_gred_command command;
941 struct tc_gred_qopt_offload_params set;
942 struct tc_gred_qopt_offload_stats stats;
946 enum tc_prio_command {
953 struct tc_prio_qopt_offload_params {
955 u8 priomap[TC_PRIO_MAX + 1];
956 /* At the point of un-offloading the Qdisc, the reported backlog and
957 * qlen need to be reduced by the portion that is in HW.
959 struct gnet_stats_queue *qstats;
962 struct tc_prio_qopt_offload_graft_params {
967 struct tc_prio_qopt_offload {
968 enum tc_prio_command command;
972 struct tc_prio_qopt_offload_params replace_params;
973 struct tc_qopt_offload_stats stats;
974 struct tc_prio_qopt_offload_graft_params graft_params;
978 enum tc_root_command {
982 struct tc_root_qopt_offload {
983 enum tc_root_command command;
988 enum tc_ets_command {
995 struct tc_ets_qopt_offload_replace_params {
997 u8 priomap[TC_PRIO_MAX + 1];
998 unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */
999 unsigned int weights[TCQ_ETS_MAX_BANDS];
1000 struct gnet_stats_queue *qstats;
1003 struct tc_ets_qopt_offload_graft_params {
1008 struct tc_ets_qopt_offload {
1009 enum tc_ets_command command;
1013 struct tc_ets_qopt_offload_replace_params replace_params;
1014 struct tc_qopt_offload_stats stats;
1015 struct tc_ets_qopt_offload_graft_params graft_params;
1019 enum tc_tbf_command {
1026 struct tc_tbf_qopt_offload_replace_params {
1027 struct psched_ratecfg rate;
1029 struct gnet_stats_queue *qstats;
1032 struct tc_tbf_qopt_offload {
1033 enum tc_tbf_command command;
1037 struct tc_tbf_qopt_offload_replace_params replace_params;
1038 struct tc_qopt_offload_stats stats;
1043 enum tc_fifo_command {
1049 struct tc_fifo_qopt_offload {
1050 enum tc_fifo_command command;
1054 struct tc_qopt_offload_stats stats;
1058 #ifdef CONFIG_NET_CLS_ACT
1059 DECLARE_STATIC_KEY_FALSE(tc_skb_ext_tc);
1060 void tc_skb_ext_tc_enable(void);
1061 void tc_skb_ext_tc_disable(void);
1062 #define tc_skb_ext_tc_enabled() static_branch_unlikely(&tc_skb_ext_tc)
1063 #else /* CONFIG_NET_CLS_ACT */
1064 static inline void tc_skb_ext_tc_enable(void) { }
1065 static inline void tc_skb_ext_tc_disable(void) { }
1066 #define tc_skb_ext_tc_enabled() false