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; 36aaa908ffSCong Wang bool tcf_queue_work(struct rcu_work *rwork, work_func_t func); 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, 7660513bd8SJohn Hurley void *cb_priv, 7760513bd8SJohn Hurley struct netlink_ext_ack *extack); 78acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 79acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 8060513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack); 81acb67442SJiri Pirko void __tcf_block_cb_unregister(struct tcf_block_cb *block_cb); 82acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 83acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 84acb67442SJiri Pirko 8587d83093SJiri Pirko int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 8687d83093SJiri Pirko struct tcf_result *res, bool compat_mode); 8787d83093SJiri Pirko 888ae70032SJiri Pirko #else 896529eabaSJiri Pirko static inline 906529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 913c149091SSudip Mukherjee struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 923c149091SSudip Mukherjee struct netlink_ext_ack *extack) 936529eabaSJiri Pirko { 946529eabaSJiri Pirko return 0; 956529eabaSJiri Pirko } 966529eabaSJiri Pirko 978c4083b3SJiri Pirko static inline 98c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 9933c30a8bSQuentin Monnet struct tcf_block_ext_info *ei, 10033c30a8bSQuentin Monnet struct netlink_ext_ack *extack) 1018c4083b3SJiri Pirko { 1028c4083b3SJiri Pirko return 0; 1038c4083b3SJiri Pirko } 1048c4083b3SJiri Pirko 1056529eabaSJiri Pirko static inline void tcf_block_put(struct tcf_block *block) 1068ae70032SJiri Pirko { 1078ae70032SJiri Pirko } 10887d83093SJiri Pirko 1098c4083b3SJiri Pirko static inline 110c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 1118c4083b3SJiri Pirko struct tcf_block_ext_info *ei) 1128c4083b3SJiri Pirko { 1138c4083b3SJiri Pirko } 1148c4083b3SJiri Pirko 11544186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 11644186460SJiri Pirko { 11744186460SJiri Pirko return NULL; 11844186460SJiri Pirko } 11944186460SJiri Pirko 12044186460SJiri Pirko static inline struct net_device *tcf_block_dev(struct tcf_block *block) 12144186460SJiri Pirko { 12244186460SJiri Pirko return NULL; 12344186460SJiri Pirko } 12444186460SJiri Pirko 125acb67442SJiri Pirko static inline 126acb67442SJiri Pirko int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb, 127acb67442SJiri Pirko void *cb_priv) 128acb67442SJiri Pirko { 129acb67442SJiri Pirko return 0; 130acb67442SJiri Pirko } 131acb67442SJiri Pirko 132acb67442SJiri Pirko static inline 133acb67442SJiri Pirko void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb, 134acb67442SJiri Pirko void *cb_priv) 135acb67442SJiri Pirko { 136acb67442SJiri Pirko } 137acb67442SJiri Pirko 138acb67442SJiri Pirko static inline 139acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb) 140acb67442SJiri Pirko { 141acb67442SJiri Pirko return NULL; 142acb67442SJiri Pirko } 143acb67442SJiri Pirko 144acb67442SJiri Pirko static inline 145acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 146acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 147acb67442SJiri Pirko { 148acb67442SJiri Pirko return NULL; 149acb67442SJiri Pirko } 150acb67442SJiri Pirko 151acb67442SJiri Pirko static inline 152acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb) 153acb67442SJiri Pirko { 154acb67442SJiri Pirko } 155acb67442SJiri Pirko 156acb67442SJiri Pirko static inline 157acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb) 158acb67442SJiri Pirko { 159acb67442SJiri Pirko return 0; 160acb67442SJiri Pirko } 161acb67442SJiri Pirko 162acb67442SJiri Pirko static inline 163acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 164acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 16560513bd8SJohn Hurley void *cb_priv, 16660513bd8SJohn Hurley struct netlink_ext_ack *extack) 167acb67442SJiri Pirko { 168acb67442SJiri Pirko return NULL; 169acb67442SJiri Pirko } 170acb67442SJiri Pirko 171acb67442SJiri Pirko static inline 172acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 173acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 17460513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack) 175acb67442SJiri Pirko { 176acb67442SJiri Pirko return 0; 177acb67442SJiri Pirko } 178acb67442SJiri Pirko 179acb67442SJiri Pirko static inline 180acb67442SJiri Pirko void __tcf_block_cb_unregister(struct tcf_block_cb *block_cb) 181acb67442SJiri Pirko { 182acb67442SJiri Pirko } 183acb67442SJiri Pirko 184acb67442SJiri Pirko static inline 185acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 186acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 187acb67442SJiri Pirko { 188acb67442SJiri Pirko } 189acb67442SJiri Pirko 19087d83093SJiri Pirko static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 19187d83093SJiri Pirko struct tcf_result *res, bool compat_mode) 19287d83093SJiri Pirko { 19387d83093SJiri Pirko return TC_ACT_UNSPEC; 19487d83093SJiri Pirko } 1958ae70032SJiri Pirko #endif 196cf1facdaSJiri Pirko 1971da177e4SLinus Torvalds static inline unsigned long 1981da177e4SLinus Torvalds __cls_set_class(unsigned long *clp, unsigned long cl) 1991da177e4SLinus Torvalds { 200a0efb80cSWANG Cong return xchg(clp, cl); 2011da177e4SLinus Torvalds } 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds static inline unsigned long 20434e3759cSJiri Pirko cls_set_class(struct Qdisc *q, unsigned long *clp, unsigned long cl) 2051da177e4SLinus Torvalds { 2061da177e4SLinus Torvalds unsigned long old_cl; 2071da177e4SLinus Torvalds 20834e3759cSJiri Pirko sch_tree_lock(q); 2091da177e4SLinus Torvalds old_cl = __cls_set_class(clp, cl); 21034e3759cSJiri Pirko sch_tree_unlock(q); 2111da177e4SLinus Torvalds return old_cl; 2121da177e4SLinus Torvalds } 2131da177e4SLinus Torvalds 2141da177e4SLinus Torvalds static inline void 2151da177e4SLinus Torvalds tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) 2161da177e4SLinus Torvalds { 21734e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2181da177e4SLinus Torvalds unsigned long cl; 2191da177e4SLinus Torvalds 22034e3759cSJiri Pirko /* Check q as it is not set for shared blocks. In that case, 22134e3759cSJiri Pirko * setting class is not supported. 22234e3759cSJiri Pirko */ 22334e3759cSJiri Pirko if (!q) 22434e3759cSJiri Pirko return; 22534e3759cSJiri Pirko cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); 22634e3759cSJiri Pirko cl = cls_set_class(q, &r->class, cl); 2271da177e4SLinus Torvalds if (cl) 22834e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2291da177e4SLinus Torvalds } 2301da177e4SLinus Torvalds 2311da177e4SLinus Torvalds static inline void 2321da177e4SLinus Torvalds tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) 2331da177e4SLinus Torvalds { 23434e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2351da177e4SLinus Torvalds unsigned long cl; 2361da177e4SLinus Torvalds 23734e3759cSJiri Pirko if (!q) 23834e3759cSJiri Pirko return; 2391da177e4SLinus Torvalds if ((cl = __cls_set_class(&r->class, 0)) != 0) 24034e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2411da177e4SLinus Torvalds } 2421da177e4SLinus Torvalds 243fd2c3ef7SEric Dumazet struct tcf_exts { 2441da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_ACT 24533be6271SWANG Cong __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 24622dc13c8SWANG Cong int nr_actions; 24722dc13c8SWANG Cong struct tc_action **actions; 248e4b95c41SCong Wang struct net *net; 2491da177e4SLinus Torvalds #endif 2501da177e4SLinus Torvalds /* Map to export classifier specific extension TLV types to the 2511da177e4SLinus Torvalds * generic extensions API. Unsupported extensions must be set to 0. 2521da177e4SLinus Torvalds */ 2531da177e4SLinus Torvalds int action; 2541da177e4SLinus Torvalds int police; 2551da177e4SLinus Torvalds }; 2561da177e4SLinus Torvalds 257b9a24bb7SWANG Cong static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police) 25833be6271SWANG Cong { 25933be6271SWANG Cong #ifdef CONFIG_NET_CLS_ACT 2605da57f42SWANG Cong exts->type = 0; 26122dc13c8SWANG Cong exts->nr_actions = 0; 262e4b95c41SCong Wang exts->net = NULL; 26322dc13c8SWANG Cong exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), 26422dc13c8SWANG Cong GFP_KERNEL); 265b9a24bb7SWANG Cong if (!exts->actions) 266b9a24bb7SWANG Cong return -ENOMEM; 26733be6271SWANG Cong #endif 2685da57f42SWANG Cong exts->action = action; 2695da57f42SWANG Cong exts->police = police; 270b9a24bb7SWANG Cong return 0; 27133be6271SWANG Cong } 27233be6271SWANG Cong 273e4b95c41SCong Wang /* Return false if the netns is being destroyed in cleanup_net(). Callers 274e4b95c41SCong Wang * need to do cleanup synchronously in this case, otherwise may race with 275e4b95c41SCong Wang * tc_action_net_exit(). Return true for other cases. 276e4b95c41SCong Wang */ 277e4b95c41SCong Wang static inline bool tcf_exts_get_net(struct tcf_exts *exts) 278e4b95c41SCong Wang { 279e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 280e4b95c41SCong Wang exts->net = maybe_get_net(exts->net); 281e4b95c41SCong Wang return exts->net != NULL; 282e4b95c41SCong Wang #else 283e4b95c41SCong Wang return true; 284e4b95c41SCong Wang #endif 285e4b95c41SCong Wang } 286e4b95c41SCong Wang 287e4b95c41SCong Wang static inline void tcf_exts_put_net(struct tcf_exts *exts) 288e4b95c41SCong Wang { 289e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 290e4b95c41SCong Wang if (exts->net) 291e4b95c41SCong Wang put_net(exts->net); 292e4b95c41SCong Wang #endif 293e4b95c41SCong Wang } 294e4b95c41SCong Wang 29522dc13c8SWANG Cong static inline void tcf_exts_to_list(const struct tcf_exts *exts, 29622dc13c8SWANG Cong struct list_head *actions) 29722dc13c8SWANG Cong { 29822dc13c8SWANG Cong #ifdef CONFIG_NET_CLS_ACT 29922dc13c8SWANG Cong int i; 30022dc13c8SWANG Cong 30122dc13c8SWANG Cong for (i = 0; i < exts->nr_actions; i++) { 30222dc13c8SWANG Cong struct tc_action *a = exts->actions[i]; 30322dc13c8SWANG Cong 304fa5effe7SHadar Hen Zion list_add_tail(&a->list, actions); 30522dc13c8SWANG Cong } 30622dc13c8SWANG Cong #endif 30722dc13c8SWANG Cong } 30822dc13c8SWANG Cong 309d897a638SJakub Kicinski static inline void 310d897a638SJakub Kicinski tcf_exts_stats_update(const struct tcf_exts *exts, 311d897a638SJakub Kicinski u64 bytes, u64 packets, u64 lastuse) 312d897a638SJakub Kicinski { 313d897a638SJakub Kicinski #ifdef CONFIG_NET_CLS_ACT 314d897a638SJakub Kicinski int i; 315d897a638SJakub Kicinski 316d897a638SJakub Kicinski preempt_disable(); 317d897a638SJakub Kicinski 318d897a638SJakub Kicinski for (i = 0; i < exts->nr_actions; i++) { 319d897a638SJakub Kicinski struct tc_action *a = exts->actions[i]; 320d897a638SJakub Kicinski 321d897a638SJakub Kicinski tcf_action_stats_update(a, bytes, packets, lastuse); 322d897a638SJakub Kicinski } 323d897a638SJakub Kicinski 324d897a638SJakub Kicinski preempt_enable(); 325d897a638SJakub Kicinski #endif 326d897a638SJakub Kicinski } 327d897a638SJakub Kicinski 3281da177e4SLinus Torvalds /** 3293bcc0cecSJiri Pirko * tcf_exts_has_actions - check if at least one action is present 3303bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3313bcc0cecSJiri Pirko * 3323bcc0cecSJiri Pirko * Returns true if at least one action is present. 3333bcc0cecSJiri Pirko */ 3343bcc0cecSJiri Pirko static inline bool tcf_exts_has_actions(struct tcf_exts *exts) 3353bcc0cecSJiri Pirko { 3362734437eSWANG Cong #ifdef CONFIG_NET_CLS_ACT 3373bcc0cecSJiri Pirko return exts->nr_actions; 3383bcc0cecSJiri Pirko #else 3393bcc0cecSJiri Pirko return false; 3403bcc0cecSJiri Pirko #endif 3413bcc0cecSJiri Pirko } 3422734437eSWANG Cong 3433bcc0cecSJiri Pirko /** 3443bcc0cecSJiri Pirko * tcf_exts_has_one_action - check if exactly one action is present 3453bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3463bcc0cecSJiri Pirko * 3473bcc0cecSJiri Pirko * Returns true if exactly one action is present. 3483bcc0cecSJiri Pirko */ 3493bcc0cecSJiri Pirko static inline bool tcf_exts_has_one_action(struct tcf_exts *exts) 3503bcc0cecSJiri Pirko { 3513bcc0cecSJiri Pirko #ifdef CONFIG_NET_CLS_ACT 3523bcc0cecSJiri Pirko return exts->nr_actions == 1; 3533bcc0cecSJiri Pirko #else 3543bcc0cecSJiri Pirko return false; 3553bcc0cecSJiri Pirko #endif 3563bcc0cecSJiri Pirko } 3572734437eSWANG Cong 358af69afc5SJiri Pirko /** 359af69afc5SJiri Pirko * tcf_exts_exec - execute tc filter extensions 360af69afc5SJiri Pirko * @skb: socket buffer 361af69afc5SJiri Pirko * @exts: tc filter extensions handle 362af69afc5SJiri Pirko * @res: desired result 363af69afc5SJiri Pirko * 364af089e70SJiri Pirko * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, 365af69afc5SJiri Pirko * a negative number if the filter must be considered unmatched or 366af69afc5SJiri Pirko * a positive action code (TC_ACT_*) which must be returned to the 367af69afc5SJiri Pirko * underlying layer. 368af69afc5SJiri Pirko */ 369af69afc5SJiri Pirko static inline int 370af69afc5SJiri Pirko tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, 371af69afc5SJiri Pirko struct tcf_result *res) 372af69afc5SJiri Pirko { 373af69afc5SJiri Pirko #ifdef CONFIG_NET_CLS_ACT 374ec1a9ccaSJiri Pirko return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); 375af69afc5SJiri Pirko #endif 376af089e70SJiri Pirko return TC_ACT_OK; 377af69afc5SJiri Pirko } 378af69afc5SJiri Pirko 3795c15257fSJoe Perches int tcf_exts_validate(struct net *net, struct tcf_proto *tp, 380c1b52739SBenjamin LaHaise struct nlattr **tb, struct nlattr *rate_tlv, 38150a56190SAlexander Aring struct tcf_exts *exts, bool ovr, 38250a56190SAlexander Aring struct netlink_ext_ack *extack); 38318d0264fSWANG Cong void tcf_exts_destroy(struct tcf_exts *exts); 3849b0d4446SJiri Pirko void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); 3855da57f42SWANG Cong int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); 3865da57f42SWANG Cong int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds /** 3891da177e4SLinus Torvalds * struct tcf_pkt_info - packet information 3901da177e4SLinus Torvalds */ 391fd2c3ef7SEric Dumazet struct tcf_pkt_info { 3921da177e4SLinus Torvalds unsigned char * ptr; 3931da177e4SLinus Torvalds int nexthdr; 3941da177e4SLinus Torvalds }; 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds #ifdef CONFIG_NET_EMATCH 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds struct tcf_ematch_ops; 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds /** 4011da177e4SLinus Torvalds * struct tcf_ematch - extended match (ematch) 4021da177e4SLinus Torvalds * 4031da177e4SLinus Torvalds * @matchid: identifier to allow userspace to reidentify a match 4041da177e4SLinus Torvalds * @flags: flags specifying attributes and the relation to other matches 4051da177e4SLinus Torvalds * @ops: the operations lookup table of the corresponding ematch module 4061da177e4SLinus Torvalds * @datalen: length of the ematch specific configuration data 4071da177e4SLinus Torvalds * @data: ematch specific data 4081da177e4SLinus Torvalds */ 409fd2c3ef7SEric Dumazet struct tcf_ematch { 4101da177e4SLinus Torvalds struct tcf_ematch_ops * ops; 4111da177e4SLinus Torvalds unsigned long data; 4121da177e4SLinus Torvalds unsigned int datalen; 4131da177e4SLinus Torvalds u16 matchid; 4141da177e4SLinus Torvalds u16 flags; 41582a470f1SJohn Fastabend struct net *net; 4161da177e4SLinus Torvalds }; 4171da177e4SLinus Torvalds 4181da177e4SLinus Torvalds static inline int tcf_em_is_container(struct tcf_ematch *em) 4191da177e4SLinus Torvalds { 4201da177e4SLinus Torvalds return !em->ops; 4211da177e4SLinus Torvalds } 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds static inline int tcf_em_is_simple(struct tcf_ematch *em) 4241da177e4SLinus Torvalds { 4251da177e4SLinus Torvalds return em->flags & TCF_EM_SIMPLE; 4261da177e4SLinus Torvalds } 4271da177e4SLinus Torvalds 4281da177e4SLinus Torvalds static inline int tcf_em_is_inverted(struct tcf_ematch *em) 4291da177e4SLinus Torvalds { 4301da177e4SLinus Torvalds return em->flags & TCF_EM_INVERT; 4311da177e4SLinus Torvalds } 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvalds static inline int tcf_em_last_match(struct tcf_ematch *em) 4341da177e4SLinus Torvalds { 4351da177e4SLinus Torvalds return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; 4361da177e4SLinus Torvalds } 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds static inline int tcf_em_early_end(struct tcf_ematch *em, int result) 4391da177e4SLinus Torvalds { 4401da177e4SLinus Torvalds if (tcf_em_last_match(em)) 4411da177e4SLinus Torvalds return 1; 4421da177e4SLinus Torvalds 4431da177e4SLinus Torvalds if (result == 0 && em->flags & TCF_EM_REL_AND) 4441da177e4SLinus Torvalds return 1; 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds if (result != 0 && em->flags & TCF_EM_REL_OR) 4471da177e4SLinus Torvalds return 1; 4481da177e4SLinus Torvalds 4491da177e4SLinus Torvalds return 0; 4501da177e4SLinus Torvalds } 4511da177e4SLinus Torvalds 4521da177e4SLinus Torvalds /** 4531da177e4SLinus Torvalds * struct tcf_ematch_tree - ematch tree handle 4541da177e4SLinus Torvalds * 4551da177e4SLinus Torvalds * @hdr: ematch tree header supplied by userspace 4561da177e4SLinus Torvalds * @matches: array of ematches 4571da177e4SLinus Torvalds */ 458fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4591da177e4SLinus Torvalds struct tcf_ematch_tree_hdr hdr; 4601da177e4SLinus Torvalds struct tcf_ematch * matches; 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds }; 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds /** 4651da177e4SLinus Torvalds * struct tcf_ematch_ops - ematch module operations 4661da177e4SLinus Torvalds * 4671da177e4SLinus Torvalds * @kind: identifier (kind) of this ematch module 4681da177e4SLinus Torvalds * @datalen: length of expected configuration data (optional) 4691da177e4SLinus Torvalds * @change: called during validation (optional) 4701da177e4SLinus Torvalds * @match: called during ematch tree evaluation, must return 1/0 4711da177e4SLinus Torvalds * @destroy: called during destroyage (optional) 4721da177e4SLinus Torvalds * @dump: called during dumping process (optional) 4731da177e4SLinus Torvalds * @owner: owner, must be set to THIS_MODULE 4741da177e4SLinus Torvalds * @link: link to previous/next ematch module (internal use) 4751da177e4SLinus Torvalds */ 476fd2c3ef7SEric Dumazet struct tcf_ematch_ops { 4771da177e4SLinus Torvalds int kind; 4781da177e4SLinus Torvalds int datalen; 47982a470f1SJohn Fastabend int (*change)(struct net *net, void *, 4801da177e4SLinus Torvalds int, struct tcf_ematch *); 4811da177e4SLinus Torvalds int (*match)(struct sk_buff *, struct tcf_ematch *, 4821da177e4SLinus Torvalds struct tcf_pkt_info *); 48382a470f1SJohn Fastabend void (*destroy)(struct tcf_ematch *); 4841da177e4SLinus Torvalds int (*dump)(struct sk_buff *, struct tcf_ematch *); 4851da177e4SLinus Torvalds struct module *owner; 4861da177e4SLinus Torvalds struct list_head link; 4871da177e4SLinus Torvalds }; 4881da177e4SLinus Torvalds 4895c15257fSJoe Perches int tcf_em_register(struct tcf_ematch_ops *); 4905c15257fSJoe Perches void tcf_em_unregister(struct tcf_ematch_ops *); 4915c15257fSJoe Perches int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, 4921da177e4SLinus Torvalds struct tcf_ematch_tree *); 49382a470f1SJohn Fastabend void tcf_em_tree_destroy(struct tcf_ematch_tree *); 4945c15257fSJoe Perches int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); 4955c15257fSJoe Perches int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, 4961da177e4SLinus Torvalds struct tcf_pkt_info *); 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds /** 4991da177e4SLinus Torvalds * tcf_em_tree_match - evaulate an ematch tree 5001da177e4SLinus Torvalds * 5011da177e4SLinus Torvalds * @skb: socket buffer of the packet in question 5021da177e4SLinus Torvalds * @tree: ematch tree to be used for evaluation 5031da177e4SLinus Torvalds * @info: packet information examined by classifier 5041da177e4SLinus Torvalds * 5051da177e4SLinus Torvalds * This function matches @skb against the ematch tree in @tree by going 5061da177e4SLinus Torvalds * through all ematches respecting their logic relations returning 5071da177e4SLinus Torvalds * as soon as the result is obvious. 5081da177e4SLinus Torvalds * 5091da177e4SLinus Torvalds * Returns 1 if the ematch tree as-one matches, no ematches are configured 5101da177e4SLinus Torvalds * or ematch is not enabled in the kernel, otherwise 0 is returned. 5111da177e4SLinus Torvalds */ 5121da177e4SLinus Torvalds static inline int tcf_em_tree_match(struct sk_buff *skb, 5131da177e4SLinus Torvalds struct tcf_ematch_tree *tree, 5141da177e4SLinus Torvalds struct tcf_pkt_info *info) 5151da177e4SLinus Torvalds { 5161da177e4SLinus Torvalds if (tree->hdr.nmatches) 5171da177e4SLinus Torvalds return __tcf_em_tree_match(skb, tree, info); 5181da177e4SLinus Torvalds else 5191da177e4SLinus Torvalds return 1; 5201da177e4SLinus Torvalds } 5211da177e4SLinus Torvalds 522db3d99c0SPatrick McHardy #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) 523db3d99c0SPatrick McHardy 5241da177e4SLinus Torvalds #else /* CONFIG_NET_EMATCH */ 5251da177e4SLinus Torvalds 526fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 5271da177e4SLinus Torvalds }; 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) 53082a470f1SJohn Fastabend #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) 5311da177e4SLinus Torvalds #define tcf_em_tree_dump(skb, t, tlv) (0) 5321da177e4SLinus Torvalds #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds #endif /* CONFIG_NET_EMATCH */ 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) 5371da177e4SLinus Torvalds { 5381da177e4SLinus Torvalds switch (layer) { 5391da177e4SLinus Torvalds case TCF_LAYER_LINK: 540d3303a65SWolfgang Bumiller return skb_mac_header(skb); 5411da177e4SLinus Torvalds case TCF_LAYER_NETWORK: 542d56f90a7SArnaldo Carvalho de Melo return skb_network_header(skb); 5431da177e4SLinus Torvalds case TCF_LAYER_TRANSPORT: 5449c70220bSArnaldo Carvalho de Melo return skb_transport_header(skb); 5451da177e4SLinus Torvalds } 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds return NULL; 5481da177e4SLinus Torvalds } 5491da177e4SLinus Torvalds 550eddc9ec5SArnaldo Carvalho de Melo static inline int tcf_valid_offset(const struct sk_buff *skb, 551eddc9ec5SArnaldo Carvalho de Melo const unsigned char *ptr, const int len) 5521da177e4SLinus Torvalds { 553da521b2cSDavid S. Miller return likely((ptr + len) <= skb_tail_pointer(skb) && 554da521b2cSDavid S. Miller ptr >= skb->head && 555da521b2cSDavid S. Miller (ptr <= (ptr + len))); 5561da177e4SLinus Torvalds } 5571da177e4SLinus Torvalds 5581da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_IND 5590eeb8ffcSDenis V. Lunev #include <net/net_namespace.h> 5600eeb8ffcSDenis V. Lunev 5611da177e4SLinus Torvalds static inline int 5621057c55fSAlexander Aring tcf_change_indev(struct net *net, struct nlattr *indev_tlv, 5631057c55fSAlexander Aring struct netlink_ext_ack *extack) 5641da177e4SLinus Torvalds { 5652519a602SWANG Cong char indev[IFNAMSIZ]; 566c01003c2SPatrick McHardy struct net_device *dev; 567c01003c2SPatrick McHardy 5681057c55fSAlexander Aring if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) { 5691057c55fSAlexander Aring NL_SET_ERR_MSG(extack, "Interface name too long"); 5702519a602SWANG Cong return -EINVAL; 5711057c55fSAlexander Aring } 5722519a602SWANG Cong dev = __dev_get_by_name(net, indev); 5732519a602SWANG Cong if (!dev) 5742519a602SWANG Cong return -ENODEV; 5752519a602SWANG Cong return dev->ifindex; 5761da177e4SLinus Torvalds } 5771da177e4SLinus Torvalds 5782519a602SWANG Cong static inline bool 5792519a602SWANG Cong tcf_match_indev(struct sk_buff *skb, int ifindex) 5802519a602SWANG Cong { 5812519a602SWANG Cong if (!ifindex) 5822519a602SWANG Cong return true; 5832519a602SWANG Cong if (!skb->skb_iif) 5842519a602SWANG Cong return false; 5852519a602SWANG Cong return ifindex == skb->skb_iif; 5861da177e4SLinus Torvalds } 5871da177e4SLinus Torvalds #endif /* CONFIG_NET_CLS_IND */ 5881da177e4SLinus Torvalds 589208c0f4bSJiri Pirko int tc_setup_cb_call(struct tcf_block *block, struct tcf_exts *exts, 590208c0f4bSJiri Pirko enum tc_setup_type type, void *type_data, bool err_stop); 591717503b9SJiri Pirko 5928c4083b3SJiri Pirko enum tc_block_command { 5938c4083b3SJiri Pirko TC_BLOCK_BIND, 5948c4083b3SJiri Pirko TC_BLOCK_UNBIND, 5958c4083b3SJiri Pirko }; 5968c4083b3SJiri Pirko 5978c4083b3SJiri Pirko struct tc_block_offload { 5988c4083b3SJiri Pirko enum tc_block_command command; 5998c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 6008c4083b3SJiri Pirko struct tcf_block *block; 60160513bd8SJohn Hurley struct netlink_ext_ack *extack; 6028c4083b3SJiri Pirko }; 6038c4083b3SJiri Pirko 6045fd9fc4eSJiri Pirko struct tc_cls_common_offload { 6055fd9fc4eSJiri Pirko u32 chain_index; 6065fd9fc4eSJiri Pirko __be16 protocol; 607d7c1c8d2SJiri Pirko u32 prio; 6088f0b425aSQuentin Monnet struct netlink_ext_ack *extack; 6095fd9fc4eSJiri Pirko }; 6105fd9fc4eSJiri Pirko 611a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode { 612a1b7c5fdSJohn Fastabend struct tcf_exts *exts; 613e014860eSJohn Fastabend struct tc_u32_sel *sel; 614a1b7c5fdSJohn Fastabend u32 handle; 615a1b7c5fdSJohn Fastabend u32 val; 616a1b7c5fdSJohn Fastabend u32 mask; 617a1b7c5fdSJohn Fastabend u32 link_handle; 618e014860eSJohn Fastabend u8 fshift; 619a1b7c5fdSJohn Fastabend }; 620a1b7c5fdSJohn Fastabend 621a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode { 622a1b7c5fdSJohn Fastabend u32 handle; 623a1b7c5fdSJohn Fastabend u32 prio; 624a1b7c5fdSJohn Fastabend unsigned int divisor; 625a1b7c5fdSJohn Fastabend }; 626a1b7c5fdSJohn Fastabend 627a1b7c5fdSJohn Fastabend enum tc_clsu32_command { 628a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_KNODE, 629a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_KNODE, 630a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_KNODE, 631a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_HNODE, 632a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_HNODE, 633a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_HNODE, 634a1b7c5fdSJohn Fastabend }; 635a1b7c5fdSJohn Fastabend 636a1b7c5fdSJohn Fastabend struct tc_cls_u32_offload { 6375fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 638a1b7c5fdSJohn Fastabend /* knode values */ 639a1b7c5fdSJohn Fastabend enum tc_clsu32_command command; 640a1b7c5fdSJohn Fastabend union { 641a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode knode; 642a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode hnode; 643a1b7c5fdSJohn Fastabend }; 644a1b7c5fdSJohn Fastabend }; 645a1b7c5fdSJohn Fastabend 6467b06e8aeSJiri Pirko static inline bool tc_can_offload(const struct net_device *dev) 6476843e7a2SJohn Fastabend { 64870b5aee4SJiri Pirko return dev->features & NETIF_F_HW_TC; 6496843e7a2SJohn Fastabend } 6506843e7a2SJohn Fastabend 651f9eda14fSQuentin Monnet static inline bool tc_can_offload_extack(const struct net_device *dev, 652f9eda14fSQuentin Monnet struct netlink_ext_ack *extack) 653f9eda14fSQuentin Monnet { 654f9eda14fSQuentin Monnet bool can = tc_can_offload(dev); 655f9eda14fSQuentin Monnet 656f9eda14fSQuentin Monnet if (!can) 657f9eda14fSQuentin Monnet NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); 658f9eda14fSQuentin Monnet 659f9eda14fSQuentin Monnet return can; 660f9eda14fSQuentin Monnet } 661f9eda14fSQuentin Monnet 662878db9f0SJakub Kicinski static inline bool 663878db9f0SJakub Kicinski tc_cls_can_offload_and_chain0(const struct net_device *dev, 664878db9f0SJakub Kicinski struct tc_cls_common_offload *common) 665878db9f0SJakub Kicinski { 666878db9f0SJakub Kicinski if (!tc_can_offload_extack(dev, common->extack)) 667878db9f0SJakub Kicinski return false; 668878db9f0SJakub Kicinski if (common->chain_index) { 669878db9f0SJakub Kicinski NL_SET_ERR_MSG(common->extack, 670878db9f0SJakub Kicinski "Driver supports only offload of chain 0"); 671878db9f0SJakub Kicinski return false; 672878db9f0SJakub Kicinski } 673878db9f0SJakub Kicinski return true; 674878db9f0SJakub Kicinski } 675878db9f0SJakub Kicinski 67655330f05SHadar Hen Zion static inline bool tc_skip_hw(u32 flags) 67755330f05SHadar Hen Zion { 67855330f05SHadar Hen Zion return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; 67955330f05SHadar Hen Zion } 68055330f05SHadar Hen Zion 681d34e3e18SSamudrala, Sridhar static inline bool tc_skip_sw(u32 flags) 682d34e3e18SSamudrala, Sridhar { 683d34e3e18SSamudrala, Sridhar return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; 684d34e3e18SSamudrala, Sridhar } 685d34e3e18SSamudrala, Sridhar 686d34e3e18SSamudrala, Sridhar /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ 687d34e3e18SSamudrala, Sridhar static inline bool tc_flags_valid(u32 flags) 688d34e3e18SSamudrala, Sridhar { 68981c7288bSMarcelo Ricardo Leitner if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | 69081c7288bSMarcelo Ricardo Leitner TCA_CLS_FLAGS_VERBOSE)) 691d34e3e18SSamudrala, Sridhar return false; 692d34e3e18SSamudrala, Sridhar 69381c7288bSMarcelo Ricardo Leitner flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; 694d34e3e18SSamudrala, Sridhar if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) 695d34e3e18SSamudrala, Sridhar return false; 696d34e3e18SSamudrala, Sridhar 697d34e3e18SSamudrala, Sridhar return true; 698d34e3e18SSamudrala, Sridhar } 699d34e3e18SSamudrala, Sridhar 700e696028aSOr Gerlitz static inline bool tc_in_hw(u32 flags) 701e696028aSOr Gerlitz { 702e696028aSOr Gerlitz return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; 703e696028aSOr Gerlitz } 704e696028aSOr Gerlitz 70534832e1cSJakub Kicinski static inline void 70634832e1cSJakub Kicinski tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common, 70734832e1cSJakub Kicinski const struct tcf_proto *tp, u32 flags, 70834832e1cSJakub Kicinski struct netlink_ext_ack *extack) 70934832e1cSJakub Kicinski { 71034832e1cSJakub Kicinski cls_common->chain_index = tp->chain->index; 71134832e1cSJakub Kicinski cls_common->protocol = tp->protocol; 71234832e1cSJakub Kicinski cls_common->prio = tp->prio; 71381c7288bSMarcelo Ricardo Leitner if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) 71434832e1cSJakub Kicinski cls_common->extack = extack; 71534832e1cSJakub Kicinski } 71634832e1cSJakub Kicinski 7175b33f488SAmir Vadai enum tc_fl_command { 7185b33f488SAmir Vadai TC_CLSFLOWER_REPLACE, 7195b33f488SAmir Vadai TC_CLSFLOWER_DESTROY, 72010cbc684SAmir Vadai TC_CLSFLOWER_STATS, 7215b33f488SAmir Vadai }; 7225b33f488SAmir Vadai 7235b33f488SAmir Vadai struct tc_cls_flower_offload { 7245fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 7255b33f488SAmir Vadai enum tc_fl_command command; 7268208d21bSAmir Vadai unsigned long cookie; 7275b33f488SAmir Vadai struct flow_dissector *dissector; 7285b33f488SAmir Vadai struct fl_flow_key *mask; 7295b33f488SAmir Vadai struct fl_flow_key *key; 7305b33f488SAmir Vadai struct tcf_exts *exts; 731384c181eSAmritha Nambiar u32 classid; 7325b33f488SAmir Vadai }; 7335b33f488SAmir Vadai 734b87f7936SYotam Gigi enum tc_matchall_command { 735b87f7936SYotam Gigi TC_CLSMATCHALL_REPLACE, 736b87f7936SYotam Gigi TC_CLSMATCHALL_DESTROY, 737b87f7936SYotam Gigi }; 738b87f7936SYotam Gigi 739b87f7936SYotam Gigi struct tc_cls_matchall_offload { 7405fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 741b87f7936SYotam Gigi enum tc_matchall_command command; 742b87f7936SYotam Gigi struct tcf_exts *exts; 743b87f7936SYotam Gigi unsigned long cookie; 744b87f7936SYotam Gigi }; 745b87f7936SYotam Gigi 746332ae8e2SJakub Kicinski enum tc_clsbpf_command { 747102740bdSJakub Kicinski TC_CLSBPF_OFFLOAD, 74868d64063SJakub Kicinski TC_CLSBPF_STATS, 749332ae8e2SJakub Kicinski }; 750332ae8e2SJakub Kicinski 751332ae8e2SJakub Kicinski struct tc_cls_bpf_offload { 7525fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 753332ae8e2SJakub Kicinski enum tc_clsbpf_command command; 754332ae8e2SJakub Kicinski struct tcf_exts *exts; 755332ae8e2SJakub Kicinski struct bpf_prog *prog; 756102740bdSJakub Kicinski struct bpf_prog *oldprog; 757332ae8e2SJakub Kicinski const char *name; 758332ae8e2SJakub Kicinski bool exts_integrated; 759332ae8e2SJakub Kicinski }; 760332ae8e2SJakub Kicinski 7614e8b86c0SAmritha Nambiar struct tc_mqprio_qopt_offload { 7624e8b86c0SAmritha Nambiar /* struct tc_mqprio_qopt must always be the first element */ 7634e8b86c0SAmritha Nambiar struct tc_mqprio_qopt qopt; 7644e8b86c0SAmritha Nambiar u16 mode; 7654e8b86c0SAmritha Nambiar u16 shaper; 7664e8b86c0SAmritha Nambiar u32 flags; 7674e8b86c0SAmritha Nambiar u64 min_rate[TC_QOPT_MAX_QUEUE]; 7684e8b86c0SAmritha Nambiar u64 max_rate[TC_QOPT_MAX_QUEUE]; 7694e8b86c0SAmritha Nambiar }; 7701045ba77SJamal Hadi Salim 7711045ba77SJamal Hadi Salim /* This structure holds cookie structure that is passed from user 7721045ba77SJamal Hadi Salim * to the kernel for actions and classifiers 7731045ba77SJamal Hadi Salim */ 7741045ba77SJamal Hadi Salim struct tc_cookie { 7751045ba77SJamal Hadi Salim u8 *data; 7761045ba77SJamal Hadi Salim u32 len; 7771045ba77SJamal Hadi Salim }; 778602f3bafSNogah Frankel 779f34b4aacSNogah Frankel struct tc_qopt_offload_stats { 780f34b4aacSNogah Frankel struct gnet_stats_basic_packed *bstats; 781f34b4aacSNogah Frankel struct gnet_stats_queue *qstats; 782f34b4aacSNogah Frankel }; 783f34b4aacSNogah Frankel 784f971b132SJakub Kicinski enum tc_mq_command { 785f971b132SJakub Kicinski TC_MQ_CREATE, 786f971b132SJakub Kicinski TC_MQ_DESTROY, 78747c669a4SJakub Kicinski TC_MQ_STATS, 788f971b132SJakub Kicinski }; 789f971b132SJakub Kicinski 790f971b132SJakub Kicinski struct tc_mq_qopt_offload { 791f971b132SJakub Kicinski enum tc_mq_command command; 792f971b132SJakub Kicinski u32 handle; 79347c669a4SJakub Kicinski struct tc_qopt_offload_stats stats; 794f971b132SJakub Kicinski }; 795f971b132SJakub Kicinski 796602f3bafSNogah Frankel enum tc_red_command { 797602f3bafSNogah Frankel TC_RED_REPLACE, 798602f3bafSNogah Frankel TC_RED_DESTROY, 799602f3bafSNogah Frankel TC_RED_STATS, 800602f3bafSNogah Frankel TC_RED_XSTATS, 801602f3bafSNogah Frankel }; 802602f3bafSNogah Frankel 803602f3bafSNogah Frankel struct tc_red_qopt_offload_params { 804602f3bafSNogah Frankel u32 min; 805602f3bafSNogah Frankel u32 max; 806602f3bafSNogah Frankel u32 probability; 807602f3bafSNogah Frankel bool is_ecn; 808416ef9b1SJakub Kicinski struct gnet_stats_queue *qstats; 809602f3bafSNogah Frankel }; 810602f3bafSNogah Frankel 811602f3bafSNogah Frankel struct tc_red_qopt_offload { 812602f3bafSNogah Frankel enum tc_red_command command; 813602f3bafSNogah Frankel u32 handle; 814602f3bafSNogah Frankel u32 parent; 815602f3bafSNogah Frankel union { 816602f3bafSNogah Frankel struct tc_red_qopt_offload_params set; 817f34b4aacSNogah Frankel struct tc_qopt_offload_stats stats; 818602f3bafSNogah Frankel struct red_stats *xstats; 819602f3bafSNogah Frankel }; 820602f3bafSNogah Frankel }; 821602f3bafSNogah Frankel 8227fdb61b4SNogah Frankel enum tc_prio_command { 8237fdb61b4SNogah Frankel TC_PRIO_REPLACE, 8247fdb61b4SNogah Frankel TC_PRIO_DESTROY, 8257fdb61b4SNogah Frankel TC_PRIO_STATS, 826b9c7a7acSNogah Frankel TC_PRIO_GRAFT, 8277fdb61b4SNogah Frankel }; 8287fdb61b4SNogah Frankel 8297fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params { 8307fdb61b4SNogah Frankel int bands; 8317fdb61b4SNogah Frankel u8 priomap[TC_PRIO_MAX + 1]; 8327fdb61b4SNogah Frankel /* In case that a prio qdisc is offloaded and now is changed to a 8337fdb61b4SNogah Frankel * non-offloadedable config, it needs to update the backlog & qlen 8347fdb61b4SNogah Frankel * values to negate the HW backlog & qlen values (and only them). 8357fdb61b4SNogah Frankel */ 8367fdb61b4SNogah Frankel struct gnet_stats_queue *qstats; 8377fdb61b4SNogah Frankel }; 8387fdb61b4SNogah Frankel 839b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params { 840b9c7a7acSNogah Frankel u8 band; 841b9c7a7acSNogah Frankel u32 child_handle; 842b9c7a7acSNogah Frankel }; 843b9c7a7acSNogah Frankel 8447fdb61b4SNogah Frankel struct tc_prio_qopt_offload { 8457fdb61b4SNogah Frankel enum tc_prio_command command; 8467fdb61b4SNogah Frankel u32 handle; 8477fdb61b4SNogah Frankel u32 parent; 8487fdb61b4SNogah Frankel union { 8497fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params replace_params; 8507fdb61b4SNogah Frankel struct tc_qopt_offload_stats stats; 851b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params graft_params; 8527fdb61b4SNogah Frankel }; 8537fdb61b4SNogah Frankel }; 854b9c7a7acSNogah Frankel 8551da177e4SLinus Torvalds #endif 856