1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef __NET_PKT_CLS_H 31da177e4SLinus Torvalds #define __NET_PKT_CLS_H 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds #include <linux/pkt_cls.h> 67aa0045dSCong Wang #include <linux/workqueue.h> 71da177e4SLinus Torvalds #include <net/sch_generic.h> 81da177e4SLinus Torvalds #include <net/act_api.h> 91da177e4SLinus Torvalds 101da177e4SLinus Torvalds /* Basic packet classifier frontend definitions. */ 111da177e4SLinus Torvalds 12fd2c3ef7SEric Dumazet struct tcf_walker { 131da177e4SLinus Torvalds int stop; 141da177e4SLinus Torvalds int skip; 151da177e4SLinus Torvalds int count; 168113c095SWANG Cong int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *); 171da177e4SLinus Torvalds }; 181da177e4SLinus Torvalds 195c15257fSJoe Perches int register_tcf_proto_ops(struct tcf_proto_ops *ops); 205c15257fSJoe Perches int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); 211da177e4SLinus Torvalds 228c4083b3SJiri Pirko enum tcf_block_binder_type { 238c4083b3SJiri Pirko TCF_BLOCK_BINDER_TYPE_UNSPEC, 246e40cf2dSJiri Pirko TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS, 256e40cf2dSJiri Pirko TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS, 268c4083b3SJiri Pirko }; 278c4083b3SJiri Pirko 288c4083b3SJiri Pirko struct tcf_block_ext_info { 298c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 30c7eb7d72SJiri Pirko tcf_chain_head_change_t *chain_head_change; 31c7eb7d72SJiri Pirko void *chain_head_change_priv; 3248617387SJiri Pirko u32 block_index; 338c4083b3SJiri Pirko }; 348c4083b3SJiri Pirko 35acb67442SJiri Pirko struct tcf_block_cb; 367aa0045dSCong Wang bool tcf_queue_work(struct work_struct *work); 37acb67442SJiri Pirko 388ae70032SJiri Pirko #ifdef CONFIG_NET_CLS 39367a8ce8SWANG Cong struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index, 40367a8ce8SWANG Cong bool create); 415bc17018SJiri Pirko void tcf_chain_put(struct tcf_chain *chain); 42f36fe1c4SJiri Pirko void tcf_block_netif_keep_dst(struct tcf_block *block); 436529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 448d1a77f9SAlexander Aring struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 458d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 46c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 478d1a77f9SAlexander Aring struct tcf_block_ext_info *ei, 488d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 496529eabaSJiri Pirko void tcf_block_put(struct tcf_block *block); 50c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 518c4083b3SJiri Pirko struct tcf_block_ext_info *ei); 5244186460SJiri Pirko 5348617387SJiri Pirko static inline bool tcf_block_shared(struct tcf_block *block) 5448617387SJiri Pirko { 5548617387SJiri Pirko return block->index; 5648617387SJiri Pirko } 5748617387SJiri Pirko 5844186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 5944186460SJiri Pirko { 6048617387SJiri Pirko WARN_ON(tcf_block_shared(block)); 6144186460SJiri Pirko return block->q; 6244186460SJiri Pirko } 6344186460SJiri Pirko 6444186460SJiri Pirko static inline struct net_device *tcf_block_dev(struct tcf_block *block) 6544186460SJiri Pirko { 6644186460SJiri Pirko return tcf_block_q(block)->dev_queue->dev; 6744186460SJiri Pirko } 6844186460SJiri Pirko 69acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb); 70acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 71acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 72acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb); 73acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb); 74acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 75acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 76acb67442SJiri Pirko void *cb_priv); 77acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 78acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 79acb67442SJiri Pirko void *cb_priv); 80acb67442SJiri Pirko void __tcf_block_cb_unregister(struct tcf_block_cb *block_cb); 81acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 82acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 83acb67442SJiri Pirko 8487d83093SJiri Pirko int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 8587d83093SJiri Pirko struct tcf_result *res, bool compat_mode); 8687d83093SJiri Pirko 878ae70032SJiri Pirko #else 886529eabaSJiri Pirko static inline 896529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 903c149091SSudip Mukherjee struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 913c149091SSudip Mukherjee struct netlink_ext_ack *extack) 926529eabaSJiri Pirko { 936529eabaSJiri Pirko return 0; 946529eabaSJiri Pirko } 956529eabaSJiri Pirko 968c4083b3SJiri Pirko static inline 97c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 9833c30a8bSQuentin Monnet struct tcf_block_ext_info *ei, 9933c30a8bSQuentin Monnet struct netlink_ext_ack *extack) 1008c4083b3SJiri Pirko { 1018c4083b3SJiri Pirko return 0; 1028c4083b3SJiri Pirko } 1038c4083b3SJiri Pirko 1046529eabaSJiri Pirko static inline void tcf_block_put(struct tcf_block *block) 1058ae70032SJiri Pirko { 1068ae70032SJiri Pirko } 10787d83093SJiri Pirko 1088c4083b3SJiri Pirko static inline 109c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 1108c4083b3SJiri Pirko struct tcf_block_ext_info *ei) 1118c4083b3SJiri Pirko { 1128c4083b3SJiri Pirko } 1138c4083b3SJiri Pirko 11444186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 11544186460SJiri Pirko { 11644186460SJiri Pirko return NULL; 11744186460SJiri Pirko } 11844186460SJiri Pirko 11944186460SJiri Pirko static inline struct net_device *tcf_block_dev(struct tcf_block *block) 12044186460SJiri Pirko { 12144186460SJiri Pirko return NULL; 12244186460SJiri Pirko } 12344186460SJiri Pirko 124acb67442SJiri Pirko static inline 125acb67442SJiri Pirko int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb, 126acb67442SJiri Pirko void *cb_priv) 127acb67442SJiri Pirko { 128acb67442SJiri Pirko return 0; 129acb67442SJiri Pirko } 130acb67442SJiri Pirko 131acb67442SJiri Pirko static inline 132acb67442SJiri Pirko void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb, 133acb67442SJiri Pirko void *cb_priv) 134acb67442SJiri Pirko { 135acb67442SJiri Pirko } 136acb67442SJiri Pirko 137acb67442SJiri Pirko static inline 138acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb) 139acb67442SJiri Pirko { 140acb67442SJiri Pirko return NULL; 141acb67442SJiri Pirko } 142acb67442SJiri Pirko 143acb67442SJiri Pirko static inline 144acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 145acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 146acb67442SJiri Pirko { 147acb67442SJiri Pirko return NULL; 148acb67442SJiri Pirko } 149acb67442SJiri Pirko 150acb67442SJiri Pirko static inline 151acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb) 152acb67442SJiri Pirko { 153acb67442SJiri Pirko } 154acb67442SJiri Pirko 155acb67442SJiri Pirko static inline 156acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb) 157acb67442SJiri Pirko { 158acb67442SJiri Pirko return 0; 159acb67442SJiri Pirko } 160acb67442SJiri Pirko 161acb67442SJiri Pirko static inline 162acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 163acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 164acb67442SJiri Pirko void *cb_priv) 165acb67442SJiri Pirko { 166acb67442SJiri Pirko return NULL; 167acb67442SJiri Pirko } 168acb67442SJiri Pirko 169acb67442SJiri Pirko static inline 170acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 171acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 172acb67442SJiri Pirko void *cb_priv) 173acb67442SJiri Pirko { 174acb67442SJiri Pirko return 0; 175acb67442SJiri Pirko } 176acb67442SJiri Pirko 177acb67442SJiri Pirko static inline 178acb67442SJiri Pirko void __tcf_block_cb_unregister(struct tcf_block_cb *block_cb) 179acb67442SJiri Pirko { 180acb67442SJiri Pirko } 181acb67442SJiri Pirko 182acb67442SJiri Pirko static inline 183acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 184acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 185acb67442SJiri Pirko { 186acb67442SJiri Pirko } 187acb67442SJiri Pirko 18887d83093SJiri Pirko static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 18987d83093SJiri Pirko struct tcf_result *res, bool compat_mode) 19087d83093SJiri Pirko { 19187d83093SJiri Pirko return TC_ACT_UNSPEC; 19287d83093SJiri Pirko } 1938ae70032SJiri Pirko #endif 194cf1facdaSJiri Pirko 1951da177e4SLinus Torvalds static inline unsigned long 1961da177e4SLinus Torvalds __cls_set_class(unsigned long *clp, unsigned long cl) 1971da177e4SLinus Torvalds { 198a0efb80cSWANG Cong return xchg(clp, cl); 1991da177e4SLinus Torvalds } 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds static inline unsigned long 20234e3759cSJiri Pirko cls_set_class(struct Qdisc *q, unsigned long *clp, unsigned long cl) 2031da177e4SLinus Torvalds { 2041da177e4SLinus Torvalds unsigned long old_cl; 2051da177e4SLinus Torvalds 20634e3759cSJiri Pirko sch_tree_lock(q); 2071da177e4SLinus Torvalds old_cl = __cls_set_class(clp, cl); 20834e3759cSJiri Pirko sch_tree_unlock(q); 2091da177e4SLinus Torvalds return old_cl; 2101da177e4SLinus Torvalds } 2111da177e4SLinus Torvalds 2121da177e4SLinus Torvalds static inline void 2131da177e4SLinus Torvalds tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) 2141da177e4SLinus Torvalds { 21534e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2161da177e4SLinus Torvalds unsigned long cl; 2171da177e4SLinus Torvalds 21834e3759cSJiri Pirko /* Check q as it is not set for shared blocks. In that case, 21934e3759cSJiri Pirko * setting class is not supported. 22034e3759cSJiri Pirko */ 22134e3759cSJiri Pirko if (!q) 22234e3759cSJiri Pirko return; 22334e3759cSJiri Pirko cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); 22434e3759cSJiri Pirko cl = cls_set_class(q, &r->class, cl); 2251da177e4SLinus Torvalds if (cl) 22634e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2271da177e4SLinus Torvalds } 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds static inline void 2301da177e4SLinus Torvalds tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) 2311da177e4SLinus Torvalds { 23234e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2331da177e4SLinus Torvalds unsigned long cl; 2341da177e4SLinus Torvalds 23534e3759cSJiri Pirko if (!q) 23634e3759cSJiri Pirko return; 2371da177e4SLinus Torvalds if ((cl = __cls_set_class(&r->class, 0)) != 0) 23834e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2391da177e4SLinus Torvalds } 2401da177e4SLinus Torvalds 241fd2c3ef7SEric Dumazet struct tcf_exts { 2421da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_ACT 24333be6271SWANG Cong __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 24422dc13c8SWANG Cong int nr_actions; 24522dc13c8SWANG Cong struct tc_action **actions; 246e4b95c41SCong Wang struct net *net; 2471da177e4SLinus Torvalds #endif 2481da177e4SLinus Torvalds /* Map to export classifier specific extension TLV types to the 2491da177e4SLinus Torvalds * generic extensions API. Unsupported extensions must be set to 0. 2501da177e4SLinus Torvalds */ 2511da177e4SLinus Torvalds int action; 2521da177e4SLinus Torvalds int police; 2531da177e4SLinus Torvalds }; 2541da177e4SLinus Torvalds 255b9a24bb7SWANG Cong static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police) 25633be6271SWANG Cong { 25733be6271SWANG Cong #ifdef CONFIG_NET_CLS_ACT 2585da57f42SWANG Cong exts->type = 0; 25922dc13c8SWANG Cong exts->nr_actions = 0; 260e4b95c41SCong Wang exts->net = NULL; 26122dc13c8SWANG Cong exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), 26222dc13c8SWANG Cong GFP_KERNEL); 263b9a24bb7SWANG Cong if (!exts->actions) 264b9a24bb7SWANG Cong return -ENOMEM; 26533be6271SWANG Cong #endif 2665da57f42SWANG Cong exts->action = action; 2675da57f42SWANG Cong exts->police = police; 268b9a24bb7SWANG Cong return 0; 26933be6271SWANG Cong } 27033be6271SWANG Cong 271e4b95c41SCong Wang /* Return false if the netns is being destroyed in cleanup_net(). Callers 272e4b95c41SCong Wang * need to do cleanup synchronously in this case, otherwise may race with 273e4b95c41SCong Wang * tc_action_net_exit(). Return true for other cases. 274e4b95c41SCong Wang */ 275e4b95c41SCong Wang static inline bool tcf_exts_get_net(struct tcf_exts *exts) 276e4b95c41SCong Wang { 277e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 278e4b95c41SCong Wang exts->net = maybe_get_net(exts->net); 279e4b95c41SCong Wang return exts->net != NULL; 280e4b95c41SCong Wang #else 281e4b95c41SCong Wang return true; 282e4b95c41SCong Wang #endif 283e4b95c41SCong Wang } 284e4b95c41SCong Wang 285e4b95c41SCong Wang static inline void tcf_exts_put_net(struct tcf_exts *exts) 286e4b95c41SCong Wang { 287e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 288e4b95c41SCong Wang if (exts->net) 289e4b95c41SCong Wang put_net(exts->net); 290e4b95c41SCong Wang #endif 291e4b95c41SCong Wang } 292e4b95c41SCong Wang 29322dc13c8SWANG Cong static inline void tcf_exts_to_list(const struct tcf_exts *exts, 29422dc13c8SWANG Cong struct list_head *actions) 29522dc13c8SWANG Cong { 29622dc13c8SWANG Cong #ifdef CONFIG_NET_CLS_ACT 29722dc13c8SWANG Cong int i; 29822dc13c8SWANG Cong 29922dc13c8SWANG Cong for (i = 0; i < exts->nr_actions; i++) { 30022dc13c8SWANG Cong struct tc_action *a = exts->actions[i]; 30122dc13c8SWANG Cong 302fa5effe7SHadar Hen Zion list_add_tail(&a->list, actions); 30322dc13c8SWANG Cong } 30422dc13c8SWANG Cong #endif 30522dc13c8SWANG Cong } 30622dc13c8SWANG Cong 307d897a638SJakub Kicinski static inline void 308d897a638SJakub Kicinski tcf_exts_stats_update(const struct tcf_exts *exts, 309d897a638SJakub Kicinski u64 bytes, u64 packets, u64 lastuse) 310d897a638SJakub Kicinski { 311d897a638SJakub Kicinski #ifdef CONFIG_NET_CLS_ACT 312d897a638SJakub Kicinski int i; 313d897a638SJakub Kicinski 314d897a638SJakub Kicinski preempt_disable(); 315d897a638SJakub Kicinski 316d897a638SJakub Kicinski for (i = 0; i < exts->nr_actions; i++) { 317d897a638SJakub Kicinski struct tc_action *a = exts->actions[i]; 318d897a638SJakub Kicinski 319d897a638SJakub Kicinski tcf_action_stats_update(a, bytes, packets, lastuse); 320d897a638SJakub Kicinski } 321d897a638SJakub Kicinski 322d897a638SJakub Kicinski preempt_enable(); 323d897a638SJakub Kicinski #endif 324d897a638SJakub Kicinski } 325d897a638SJakub Kicinski 3261da177e4SLinus Torvalds /** 3273bcc0cecSJiri Pirko * tcf_exts_has_actions - check if at least one action is present 3283bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3293bcc0cecSJiri Pirko * 3303bcc0cecSJiri Pirko * Returns true if at least one action is present. 3313bcc0cecSJiri Pirko */ 3323bcc0cecSJiri Pirko static inline bool tcf_exts_has_actions(struct tcf_exts *exts) 3333bcc0cecSJiri Pirko { 3342734437eSWANG Cong #ifdef CONFIG_NET_CLS_ACT 3353bcc0cecSJiri Pirko return exts->nr_actions; 3363bcc0cecSJiri Pirko #else 3373bcc0cecSJiri Pirko return false; 3383bcc0cecSJiri Pirko #endif 3393bcc0cecSJiri Pirko } 3402734437eSWANG Cong 3413bcc0cecSJiri Pirko /** 3423bcc0cecSJiri Pirko * tcf_exts_has_one_action - check if exactly one action is present 3433bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3443bcc0cecSJiri Pirko * 3453bcc0cecSJiri Pirko * Returns true if exactly one action is present. 3463bcc0cecSJiri Pirko */ 3473bcc0cecSJiri Pirko static inline bool tcf_exts_has_one_action(struct tcf_exts *exts) 3483bcc0cecSJiri Pirko { 3493bcc0cecSJiri Pirko #ifdef CONFIG_NET_CLS_ACT 3503bcc0cecSJiri Pirko return exts->nr_actions == 1; 3513bcc0cecSJiri Pirko #else 3523bcc0cecSJiri Pirko return false; 3533bcc0cecSJiri Pirko #endif 3543bcc0cecSJiri Pirko } 3552734437eSWANG Cong 356af69afc5SJiri Pirko /** 357af69afc5SJiri Pirko * tcf_exts_exec - execute tc filter extensions 358af69afc5SJiri Pirko * @skb: socket buffer 359af69afc5SJiri Pirko * @exts: tc filter extensions handle 360af69afc5SJiri Pirko * @res: desired result 361af69afc5SJiri Pirko * 362af089e70SJiri Pirko * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, 363af69afc5SJiri Pirko * a negative number if the filter must be considered unmatched or 364af69afc5SJiri Pirko * a positive action code (TC_ACT_*) which must be returned to the 365af69afc5SJiri Pirko * underlying layer. 366af69afc5SJiri Pirko */ 367af69afc5SJiri Pirko static inline int 368af69afc5SJiri Pirko tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, 369af69afc5SJiri Pirko struct tcf_result *res) 370af69afc5SJiri Pirko { 371af69afc5SJiri Pirko #ifdef CONFIG_NET_CLS_ACT 372ec1a9ccaSJiri Pirko return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); 373af69afc5SJiri Pirko #endif 374af089e70SJiri Pirko return TC_ACT_OK; 375af69afc5SJiri Pirko } 376af69afc5SJiri Pirko 3775c15257fSJoe Perches int tcf_exts_validate(struct net *net, struct tcf_proto *tp, 378c1b52739SBenjamin LaHaise struct nlattr **tb, struct nlattr *rate_tlv, 37950a56190SAlexander Aring struct tcf_exts *exts, bool ovr, 38050a56190SAlexander Aring struct netlink_ext_ack *extack); 38118d0264fSWANG Cong void tcf_exts_destroy(struct tcf_exts *exts); 3829b0d4446SJiri Pirko void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); 3835da57f42SWANG Cong int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); 3845da57f42SWANG Cong int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); 3851da177e4SLinus Torvalds 3861da177e4SLinus Torvalds /** 3871da177e4SLinus Torvalds * struct tcf_pkt_info - packet information 3881da177e4SLinus Torvalds */ 389fd2c3ef7SEric Dumazet struct tcf_pkt_info { 3901da177e4SLinus Torvalds unsigned char * ptr; 3911da177e4SLinus Torvalds int nexthdr; 3921da177e4SLinus Torvalds }; 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds #ifdef CONFIG_NET_EMATCH 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds struct tcf_ematch_ops; 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds /** 3991da177e4SLinus Torvalds * struct tcf_ematch - extended match (ematch) 4001da177e4SLinus Torvalds * 4011da177e4SLinus Torvalds * @matchid: identifier to allow userspace to reidentify a match 4021da177e4SLinus Torvalds * @flags: flags specifying attributes and the relation to other matches 4031da177e4SLinus Torvalds * @ops: the operations lookup table of the corresponding ematch module 4041da177e4SLinus Torvalds * @datalen: length of the ematch specific configuration data 4051da177e4SLinus Torvalds * @data: ematch specific data 4061da177e4SLinus Torvalds */ 407fd2c3ef7SEric Dumazet struct tcf_ematch { 4081da177e4SLinus Torvalds struct tcf_ematch_ops * ops; 4091da177e4SLinus Torvalds unsigned long data; 4101da177e4SLinus Torvalds unsigned int datalen; 4111da177e4SLinus Torvalds u16 matchid; 4121da177e4SLinus Torvalds u16 flags; 41382a470f1SJohn Fastabend struct net *net; 4141da177e4SLinus Torvalds }; 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds static inline int tcf_em_is_container(struct tcf_ematch *em) 4171da177e4SLinus Torvalds { 4181da177e4SLinus Torvalds return !em->ops; 4191da177e4SLinus Torvalds } 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds static inline int tcf_em_is_simple(struct tcf_ematch *em) 4221da177e4SLinus Torvalds { 4231da177e4SLinus Torvalds return em->flags & TCF_EM_SIMPLE; 4241da177e4SLinus Torvalds } 4251da177e4SLinus Torvalds 4261da177e4SLinus Torvalds static inline int tcf_em_is_inverted(struct tcf_ematch *em) 4271da177e4SLinus Torvalds { 4281da177e4SLinus Torvalds return em->flags & TCF_EM_INVERT; 4291da177e4SLinus Torvalds } 4301da177e4SLinus Torvalds 4311da177e4SLinus Torvalds static inline int tcf_em_last_match(struct tcf_ematch *em) 4321da177e4SLinus Torvalds { 4331da177e4SLinus Torvalds return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; 4341da177e4SLinus Torvalds } 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds static inline int tcf_em_early_end(struct tcf_ematch *em, int result) 4371da177e4SLinus Torvalds { 4381da177e4SLinus Torvalds if (tcf_em_last_match(em)) 4391da177e4SLinus Torvalds return 1; 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds if (result == 0 && em->flags & TCF_EM_REL_AND) 4421da177e4SLinus Torvalds return 1; 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds if (result != 0 && em->flags & TCF_EM_REL_OR) 4451da177e4SLinus Torvalds return 1; 4461da177e4SLinus Torvalds 4471da177e4SLinus Torvalds return 0; 4481da177e4SLinus Torvalds } 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds /** 4511da177e4SLinus Torvalds * struct tcf_ematch_tree - ematch tree handle 4521da177e4SLinus Torvalds * 4531da177e4SLinus Torvalds * @hdr: ematch tree header supplied by userspace 4541da177e4SLinus Torvalds * @matches: array of ematches 4551da177e4SLinus Torvalds */ 456fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4571da177e4SLinus Torvalds struct tcf_ematch_tree_hdr hdr; 4581da177e4SLinus Torvalds struct tcf_ematch * matches; 4591da177e4SLinus Torvalds 4601da177e4SLinus Torvalds }; 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds /** 4631da177e4SLinus Torvalds * struct tcf_ematch_ops - ematch module operations 4641da177e4SLinus Torvalds * 4651da177e4SLinus Torvalds * @kind: identifier (kind) of this ematch module 4661da177e4SLinus Torvalds * @datalen: length of expected configuration data (optional) 4671da177e4SLinus Torvalds * @change: called during validation (optional) 4681da177e4SLinus Torvalds * @match: called during ematch tree evaluation, must return 1/0 4691da177e4SLinus Torvalds * @destroy: called during destroyage (optional) 4701da177e4SLinus Torvalds * @dump: called during dumping process (optional) 4711da177e4SLinus Torvalds * @owner: owner, must be set to THIS_MODULE 4721da177e4SLinus Torvalds * @link: link to previous/next ematch module (internal use) 4731da177e4SLinus Torvalds */ 474fd2c3ef7SEric Dumazet struct tcf_ematch_ops { 4751da177e4SLinus Torvalds int kind; 4761da177e4SLinus Torvalds int datalen; 47782a470f1SJohn Fastabend int (*change)(struct net *net, void *, 4781da177e4SLinus Torvalds int, struct tcf_ematch *); 4791da177e4SLinus Torvalds int (*match)(struct sk_buff *, struct tcf_ematch *, 4801da177e4SLinus Torvalds struct tcf_pkt_info *); 48182a470f1SJohn Fastabend void (*destroy)(struct tcf_ematch *); 4821da177e4SLinus Torvalds int (*dump)(struct sk_buff *, struct tcf_ematch *); 4831da177e4SLinus Torvalds struct module *owner; 4841da177e4SLinus Torvalds struct list_head link; 4851da177e4SLinus Torvalds }; 4861da177e4SLinus Torvalds 4875c15257fSJoe Perches int tcf_em_register(struct tcf_ematch_ops *); 4885c15257fSJoe Perches void tcf_em_unregister(struct tcf_ematch_ops *); 4895c15257fSJoe Perches int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, 4901da177e4SLinus Torvalds struct tcf_ematch_tree *); 49182a470f1SJohn Fastabend void tcf_em_tree_destroy(struct tcf_ematch_tree *); 4925c15257fSJoe Perches int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); 4935c15257fSJoe Perches int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, 4941da177e4SLinus Torvalds struct tcf_pkt_info *); 4951da177e4SLinus Torvalds 4961da177e4SLinus Torvalds /** 4971da177e4SLinus Torvalds * tcf_em_tree_match - evaulate an ematch tree 4981da177e4SLinus Torvalds * 4991da177e4SLinus Torvalds * @skb: socket buffer of the packet in question 5001da177e4SLinus Torvalds * @tree: ematch tree to be used for evaluation 5011da177e4SLinus Torvalds * @info: packet information examined by classifier 5021da177e4SLinus Torvalds * 5031da177e4SLinus Torvalds * This function matches @skb against the ematch tree in @tree by going 5041da177e4SLinus Torvalds * through all ematches respecting their logic relations returning 5051da177e4SLinus Torvalds * as soon as the result is obvious. 5061da177e4SLinus Torvalds * 5071da177e4SLinus Torvalds * Returns 1 if the ematch tree as-one matches, no ematches are configured 5081da177e4SLinus Torvalds * or ematch is not enabled in the kernel, otherwise 0 is returned. 5091da177e4SLinus Torvalds */ 5101da177e4SLinus Torvalds static inline int tcf_em_tree_match(struct sk_buff *skb, 5111da177e4SLinus Torvalds struct tcf_ematch_tree *tree, 5121da177e4SLinus Torvalds struct tcf_pkt_info *info) 5131da177e4SLinus Torvalds { 5141da177e4SLinus Torvalds if (tree->hdr.nmatches) 5151da177e4SLinus Torvalds return __tcf_em_tree_match(skb, tree, info); 5161da177e4SLinus Torvalds else 5171da177e4SLinus Torvalds return 1; 5181da177e4SLinus Torvalds } 5191da177e4SLinus Torvalds 520db3d99c0SPatrick McHardy #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) 521db3d99c0SPatrick McHardy 5221da177e4SLinus Torvalds #else /* CONFIG_NET_EMATCH */ 5231da177e4SLinus Torvalds 524fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 5251da177e4SLinus Torvalds }; 5261da177e4SLinus Torvalds 5271da177e4SLinus Torvalds #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) 52882a470f1SJohn Fastabend #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) 5291da177e4SLinus Torvalds #define tcf_em_tree_dump(skb, t, tlv) (0) 5301da177e4SLinus Torvalds #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds #endif /* CONFIG_NET_EMATCH */ 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) 5351da177e4SLinus Torvalds { 5361da177e4SLinus Torvalds switch (layer) { 5371da177e4SLinus Torvalds case TCF_LAYER_LINK: 5381da177e4SLinus Torvalds return skb->data; 5391da177e4SLinus Torvalds case TCF_LAYER_NETWORK: 540d56f90a7SArnaldo Carvalho de Melo return skb_network_header(skb); 5411da177e4SLinus Torvalds case TCF_LAYER_TRANSPORT: 5429c70220bSArnaldo Carvalho de Melo return skb_transport_header(skb); 5431da177e4SLinus Torvalds } 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds return NULL; 5461da177e4SLinus Torvalds } 5471da177e4SLinus Torvalds 548eddc9ec5SArnaldo Carvalho de Melo static inline int tcf_valid_offset(const struct sk_buff *skb, 549eddc9ec5SArnaldo Carvalho de Melo const unsigned char *ptr, const int len) 5501da177e4SLinus Torvalds { 551da521b2cSDavid S. Miller return likely((ptr + len) <= skb_tail_pointer(skb) && 552da521b2cSDavid S. Miller ptr >= skb->head && 553da521b2cSDavid S. Miller (ptr <= (ptr + len))); 5541da177e4SLinus Torvalds } 5551da177e4SLinus Torvalds 5561da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_IND 5570eeb8ffcSDenis V. Lunev #include <net/net_namespace.h> 5580eeb8ffcSDenis V. Lunev 5591da177e4SLinus Torvalds static inline int 5601057c55fSAlexander Aring tcf_change_indev(struct net *net, struct nlattr *indev_tlv, 5611057c55fSAlexander Aring struct netlink_ext_ack *extack) 5621da177e4SLinus Torvalds { 5632519a602SWANG Cong char indev[IFNAMSIZ]; 564c01003c2SPatrick McHardy struct net_device *dev; 565c01003c2SPatrick McHardy 5661057c55fSAlexander Aring if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) { 5671057c55fSAlexander Aring NL_SET_ERR_MSG(extack, "Interface name too long"); 5682519a602SWANG Cong return -EINVAL; 5691057c55fSAlexander Aring } 5702519a602SWANG Cong dev = __dev_get_by_name(net, indev); 5712519a602SWANG Cong if (!dev) 5722519a602SWANG Cong return -ENODEV; 5732519a602SWANG Cong return dev->ifindex; 5741da177e4SLinus Torvalds } 5751da177e4SLinus Torvalds 5762519a602SWANG Cong static inline bool 5772519a602SWANG Cong tcf_match_indev(struct sk_buff *skb, int ifindex) 5782519a602SWANG Cong { 5792519a602SWANG Cong if (!ifindex) 5802519a602SWANG Cong return true; 5812519a602SWANG Cong if (!skb->skb_iif) 5822519a602SWANG Cong return false; 5832519a602SWANG Cong return ifindex == skb->skb_iif; 5841da177e4SLinus Torvalds } 5851da177e4SLinus Torvalds #endif /* CONFIG_NET_CLS_IND */ 5861da177e4SLinus Torvalds 587208c0f4bSJiri Pirko int tc_setup_cb_call(struct tcf_block *block, struct tcf_exts *exts, 588208c0f4bSJiri Pirko enum tc_setup_type type, void *type_data, bool err_stop); 589717503b9SJiri Pirko 5908c4083b3SJiri Pirko enum tc_block_command { 5918c4083b3SJiri Pirko TC_BLOCK_BIND, 5928c4083b3SJiri Pirko TC_BLOCK_UNBIND, 5938c4083b3SJiri Pirko }; 5948c4083b3SJiri Pirko 5958c4083b3SJiri Pirko struct tc_block_offload { 5968c4083b3SJiri Pirko enum tc_block_command command; 5978c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 5988c4083b3SJiri Pirko struct tcf_block *block; 5998c4083b3SJiri Pirko }; 6008c4083b3SJiri Pirko 6015fd9fc4eSJiri Pirko struct tc_cls_common_offload { 6025fd9fc4eSJiri Pirko u32 chain_index; 6035fd9fc4eSJiri Pirko __be16 protocol; 604d7c1c8d2SJiri Pirko u32 prio; 6055fd9fc4eSJiri Pirko }; 6065fd9fc4eSJiri Pirko 6075fd9fc4eSJiri Pirko static inline void 6085fd9fc4eSJiri Pirko tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common, 6095fd9fc4eSJiri Pirko const struct tcf_proto *tp) 6105fd9fc4eSJiri Pirko { 6115fd9fc4eSJiri Pirko cls_common->chain_index = tp->chain->index; 6125fd9fc4eSJiri Pirko cls_common->protocol = tp->protocol; 613d7c1c8d2SJiri Pirko cls_common->prio = tp->prio; 6145fd9fc4eSJiri Pirko } 6155fd9fc4eSJiri Pirko 616a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode { 617a1b7c5fdSJohn Fastabend struct tcf_exts *exts; 618e014860eSJohn Fastabend struct tc_u32_sel *sel; 619a1b7c5fdSJohn Fastabend u32 handle; 620a1b7c5fdSJohn Fastabend u32 val; 621a1b7c5fdSJohn Fastabend u32 mask; 622a1b7c5fdSJohn Fastabend u32 link_handle; 623e014860eSJohn Fastabend u8 fshift; 624a1b7c5fdSJohn Fastabend }; 625a1b7c5fdSJohn Fastabend 626a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode { 627a1b7c5fdSJohn Fastabend u32 handle; 628a1b7c5fdSJohn Fastabend u32 prio; 629a1b7c5fdSJohn Fastabend unsigned int divisor; 630a1b7c5fdSJohn Fastabend }; 631a1b7c5fdSJohn Fastabend 632a1b7c5fdSJohn Fastabend enum tc_clsu32_command { 633a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_KNODE, 634a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_KNODE, 635a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_KNODE, 636a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_HNODE, 637a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_HNODE, 638a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_HNODE, 639a1b7c5fdSJohn Fastabend }; 640a1b7c5fdSJohn Fastabend 641a1b7c5fdSJohn Fastabend struct tc_cls_u32_offload { 6425fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 643a1b7c5fdSJohn Fastabend /* knode values */ 644a1b7c5fdSJohn Fastabend enum tc_clsu32_command command; 645a1b7c5fdSJohn Fastabend union { 646a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode knode; 647a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode hnode; 648a1b7c5fdSJohn Fastabend }; 649a1b7c5fdSJohn Fastabend }; 650a1b7c5fdSJohn Fastabend 6517b06e8aeSJiri Pirko static inline bool tc_can_offload(const struct net_device *dev) 6526843e7a2SJohn Fastabend { 65370b5aee4SJiri Pirko return dev->features & NETIF_F_HW_TC; 6546843e7a2SJohn Fastabend } 6556843e7a2SJohn Fastabend 65655330f05SHadar Hen Zion static inline bool tc_skip_hw(u32 flags) 65755330f05SHadar Hen Zion { 65855330f05SHadar Hen Zion return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; 65955330f05SHadar Hen Zion } 66055330f05SHadar Hen Zion 661d34e3e18SSamudrala, Sridhar static inline bool tc_skip_sw(u32 flags) 662d34e3e18SSamudrala, Sridhar { 663d34e3e18SSamudrala, Sridhar return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; 664d34e3e18SSamudrala, Sridhar } 665d34e3e18SSamudrala, Sridhar 666d34e3e18SSamudrala, Sridhar /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ 667d34e3e18SSamudrala, Sridhar static inline bool tc_flags_valid(u32 flags) 668d34e3e18SSamudrala, Sridhar { 669d34e3e18SSamudrala, Sridhar if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW)) 670d34e3e18SSamudrala, Sridhar return false; 671d34e3e18SSamudrala, Sridhar 672d34e3e18SSamudrala, Sridhar if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) 673d34e3e18SSamudrala, Sridhar return false; 674d34e3e18SSamudrala, Sridhar 675d34e3e18SSamudrala, Sridhar return true; 676d34e3e18SSamudrala, Sridhar } 677d34e3e18SSamudrala, Sridhar 678e696028aSOr Gerlitz static inline bool tc_in_hw(u32 flags) 679e696028aSOr Gerlitz { 680e696028aSOr Gerlitz return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; 681e696028aSOr Gerlitz } 682e696028aSOr Gerlitz 6835b33f488SAmir Vadai enum tc_fl_command { 6845b33f488SAmir Vadai TC_CLSFLOWER_REPLACE, 6855b33f488SAmir Vadai TC_CLSFLOWER_DESTROY, 68610cbc684SAmir Vadai TC_CLSFLOWER_STATS, 6875b33f488SAmir Vadai }; 6885b33f488SAmir Vadai 6895b33f488SAmir Vadai struct tc_cls_flower_offload { 6905fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 6915b33f488SAmir Vadai enum tc_fl_command command; 6928208d21bSAmir Vadai unsigned long cookie; 6935b33f488SAmir Vadai struct flow_dissector *dissector; 6945b33f488SAmir Vadai struct fl_flow_key *mask; 6955b33f488SAmir Vadai struct fl_flow_key *key; 6965b33f488SAmir Vadai struct tcf_exts *exts; 697384c181eSAmritha Nambiar u32 classid; 6985b33f488SAmir Vadai }; 6995b33f488SAmir Vadai 700b87f7936SYotam Gigi enum tc_matchall_command { 701b87f7936SYotam Gigi TC_CLSMATCHALL_REPLACE, 702b87f7936SYotam Gigi TC_CLSMATCHALL_DESTROY, 703b87f7936SYotam Gigi }; 704b87f7936SYotam Gigi 705b87f7936SYotam Gigi struct tc_cls_matchall_offload { 7065fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 707b87f7936SYotam Gigi enum tc_matchall_command command; 708b87f7936SYotam Gigi struct tcf_exts *exts; 709b87f7936SYotam Gigi unsigned long cookie; 710b87f7936SYotam Gigi }; 711b87f7936SYotam Gigi 712332ae8e2SJakub Kicinski enum tc_clsbpf_command { 713102740bdSJakub Kicinski TC_CLSBPF_OFFLOAD, 71468d64063SJakub Kicinski TC_CLSBPF_STATS, 715332ae8e2SJakub Kicinski }; 716332ae8e2SJakub Kicinski 717332ae8e2SJakub Kicinski struct tc_cls_bpf_offload { 7185fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 719332ae8e2SJakub Kicinski enum tc_clsbpf_command command; 720332ae8e2SJakub Kicinski struct tcf_exts *exts; 721332ae8e2SJakub Kicinski struct bpf_prog *prog; 722102740bdSJakub Kicinski struct bpf_prog *oldprog; 723332ae8e2SJakub Kicinski const char *name; 724332ae8e2SJakub Kicinski bool exts_integrated; 7250d01d45fSJakub Kicinski u32 gen_flags; 726332ae8e2SJakub Kicinski }; 727332ae8e2SJakub Kicinski 7284e8b86c0SAmritha Nambiar struct tc_mqprio_qopt_offload { 7294e8b86c0SAmritha Nambiar /* struct tc_mqprio_qopt must always be the first element */ 7304e8b86c0SAmritha Nambiar struct tc_mqprio_qopt qopt; 7314e8b86c0SAmritha Nambiar u16 mode; 7324e8b86c0SAmritha Nambiar u16 shaper; 7334e8b86c0SAmritha Nambiar u32 flags; 7344e8b86c0SAmritha Nambiar u64 min_rate[TC_QOPT_MAX_QUEUE]; 7354e8b86c0SAmritha Nambiar u64 max_rate[TC_QOPT_MAX_QUEUE]; 7364e8b86c0SAmritha Nambiar }; 7371045ba77SJamal Hadi Salim 7381045ba77SJamal Hadi Salim /* This structure holds cookie structure that is passed from user 7391045ba77SJamal Hadi Salim * to the kernel for actions and classifiers 7401045ba77SJamal Hadi Salim */ 7411045ba77SJamal Hadi Salim struct tc_cookie { 7421045ba77SJamal Hadi Salim u8 *data; 7431045ba77SJamal Hadi Salim u32 len; 7441045ba77SJamal Hadi Salim }; 745602f3bafSNogah Frankel 746f34b4aacSNogah Frankel struct tc_qopt_offload_stats { 747f34b4aacSNogah Frankel struct gnet_stats_basic_packed *bstats; 748f34b4aacSNogah Frankel struct gnet_stats_queue *qstats; 749f34b4aacSNogah Frankel }; 750f34b4aacSNogah Frankel 751602f3bafSNogah Frankel enum tc_red_command { 752602f3bafSNogah Frankel TC_RED_REPLACE, 753602f3bafSNogah Frankel TC_RED_DESTROY, 754602f3bafSNogah Frankel TC_RED_STATS, 755602f3bafSNogah Frankel TC_RED_XSTATS, 756602f3bafSNogah Frankel }; 757602f3bafSNogah Frankel 758602f3bafSNogah Frankel struct tc_red_qopt_offload_params { 759602f3bafSNogah Frankel u32 min; 760602f3bafSNogah Frankel u32 max; 761602f3bafSNogah Frankel u32 probability; 762602f3bafSNogah Frankel bool is_ecn; 763416ef9b1SJakub Kicinski struct gnet_stats_queue *qstats; 764602f3bafSNogah Frankel }; 765602f3bafSNogah Frankel 766602f3bafSNogah Frankel struct tc_red_qopt_offload { 767602f3bafSNogah Frankel enum tc_red_command command; 768602f3bafSNogah Frankel u32 handle; 769602f3bafSNogah Frankel u32 parent; 770602f3bafSNogah Frankel union { 771602f3bafSNogah Frankel struct tc_red_qopt_offload_params set; 772f34b4aacSNogah Frankel struct tc_qopt_offload_stats stats; 773602f3bafSNogah Frankel struct red_stats *xstats; 774602f3bafSNogah Frankel }; 775602f3bafSNogah Frankel }; 776602f3bafSNogah Frankel 7777fdb61b4SNogah Frankel enum tc_prio_command { 7787fdb61b4SNogah Frankel TC_PRIO_REPLACE, 7797fdb61b4SNogah Frankel TC_PRIO_DESTROY, 7807fdb61b4SNogah Frankel TC_PRIO_STATS, 7817fdb61b4SNogah Frankel }; 7827fdb61b4SNogah Frankel 7837fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params { 7847fdb61b4SNogah Frankel int bands; 7857fdb61b4SNogah Frankel u8 priomap[TC_PRIO_MAX + 1]; 7867fdb61b4SNogah Frankel /* In case that a prio qdisc is offloaded and now is changed to a 7877fdb61b4SNogah Frankel * non-offloadedable config, it needs to update the backlog & qlen 7887fdb61b4SNogah Frankel * values to negate the HW backlog & qlen values (and only them). 7897fdb61b4SNogah Frankel */ 7907fdb61b4SNogah Frankel struct gnet_stats_queue *qstats; 7917fdb61b4SNogah Frankel }; 7927fdb61b4SNogah Frankel 7937fdb61b4SNogah Frankel struct tc_prio_qopt_offload { 7947fdb61b4SNogah Frankel enum tc_prio_command command; 7957fdb61b4SNogah Frankel u32 handle; 7967fdb61b4SNogah Frankel u32 parent; 7977fdb61b4SNogah Frankel union { 7987fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params replace_params; 7997fdb61b4SNogah Frankel struct tc_qopt_offload_stats stats; 8007fdb61b4SNogah Frankel }; 8017fdb61b4SNogah Frankel }; 8021da177e4SLinus Torvalds #endif 803