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> 98f256622SPablo Neira Ayuso #include <net/flow_offload.h> 101da177e4SLinus Torvalds 11cd11b164SPaolo Abeni /* TC action not accessible from user space */ 12cd11b164SPaolo Abeni #define TC_ACT_REINSERT (TC_ACT_VALUE_MAX + 1) 13cd11b164SPaolo Abeni 141da177e4SLinus Torvalds /* Basic packet classifier frontend definitions. */ 151da177e4SLinus Torvalds 16fd2c3ef7SEric Dumazet struct tcf_walker { 171da177e4SLinus Torvalds int stop; 181da177e4SLinus Torvalds int skip; 191da177e4SLinus Torvalds int count; 2001683a14SVlad Buslov unsigned long cookie; 218113c095SWANG Cong int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *); 221da177e4SLinus Torvalds }; 231da177e4SLinus Torvalds 245c15257fSJoe Perches int register_tcf_proto_ops(struct tcf_proto_ops *ops); 255c15257fSJoe Perches int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); 261da177e4SLinus Torvalds 278c4083b3SJiri Pirko enum tcf_block_binder_type { 288c4083b3SJiri Pirko TCF_BLOCK_BINDER_TYPE_UNSPEC, 296e40cf2dSJiri Pirko TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS, 306e40cf2dSJiri Pirko TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS, 318c4083b3SJiri Pirko }; 328c4083b3SJiri Pirko 338c4083b3SJiri Pirko struct tcf_block_ext_info { 348c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 35c7eb7d72SJiri Pirko tcf_chain_head_change_t *chain_head_change; 36c7eb7d72SJiri Pirko void *chain_head_change_priv; 3748617387SJiri Pirko u32 block_index; 388c4083b3SJiri Pirko }; 398c4083b3SJiri Pirko 40acb67442SJiri Pirko struct tcf_block_cb; 41aaa908ffSCong Wang bool tcf_queue_work(struct rcu_work *rwork, work_func_t func); 42acb67442SJiri Pirko 438ae70032SJiri Pirko #ifdef CONFIG_NET_CLS 441f3ed383SJiri Pirko struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block, 451f3ed383SJiri Pirko u32 chain_index); 461f3ed383SJiri Pirko void tcf_chain_put_by_act(struct tcf_chain *chain); 47bbf73830SVlad Buslov struct tcf_chain *tcf_get_next_chain(struct tcf_block *block, 48bbf73830SVlad Buslov struct tcf_chain *chain); 49fe2923afSVlad Buslov struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain, 5012db03b6SVlad Buslov struct tcf_proto *tp, bool rtnl_held); 51f36fe1c4SJiri Pirko void tcf_block_netif_keep_dst(struct tcf_block *block); 526529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 538d1a77f9SAlexander Aring struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 548d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 55c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 568d1a77f9SAlexander Aring struct tcf_block_ext_info *ei, 578d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 586529eabaSJiri Pirko void tcf_block_put(struct tcf_block *block); 59c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 608c4083b3SJiri Pirko struct tcf_block_ext_info *ei); 6144186460SJiri Pirko 6248617387SJiri Pirko static inline bool tcf_block_shared(struct tcf_block *block) 6348617387SJiri Pirko { 6448617387SJiri Pirko return block->index; 6548617387SJiri Pirko } 6648617387SJiri Pirko 6744186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 6844186460SJiri Pirko { 6948617387SJiri Pirko WARN_ON(tcf_block_shared(block)); 7044186460SJiri Pirko return block->q; 7144186460SJiri Pirko } 7244186460SJiri Pirko 73acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb); 74acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 75acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 76acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb); 77acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb); 78acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 79acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 8060513bd8SJohn Hurley void *cb_priv, 8160513bd8SJohn Hurley struct netlink_ext_ack *extack); 82acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 83acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 8460513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack); 8532636742SJohn Hurley void __tcf_block_cb_unregister(struct tcf_block *block, 8632636742SJohn Hurley struct tcf_block_cb *block_cb); 87acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 88acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 897f76fa36SJohn Hurley int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 907f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 917f76fa36SJohn Hurley int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 927f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 937f76fa36SJohn Hurley void __tc_indr_block_cb_unregister(struct net_device *dev, 947f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 957f76fa36SJohn Hurley void tc_indr_block_cb_unregister(struct net_device *dev, 967f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 97acb67442SJiri Pirko 9887d83093SJiri Pirko int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 9987d83093SJiri Pirko struct tcf_result *res, bool compat_mode); 10087d83093SJiri Pirko 1018ae70032SJiri Pirko #else 1026529eabaSJiri Pirko static inline 1036529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 1043c149091SSudip Mukherjee struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 1053c149091SSudip Mukherjee struct netlink_ext_ack *extack) 1066529eabaSJiri Pirko { 1076529eabaSJiri Pirko return 0; 1086529eabaSJiri Pirko } 1096529eabaSJiri Pirko 1108c4083b3SJiri Pirko static inline 111c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 11233c30a8bSQuentin Monnet struct tcf_block_ext_info *ei, 11333c30a8bSQuentin Monnet struct netlink_ext_ack *extack) 1148c4083b3SJiri Pirko { 1158c4083b3SJiri Pirko return 0; 1168c4083b3SJiri Pirko } 1178c4083b3SJiri Pirko 1186529eabaSJiri Pirko static inline void tcf_block_put(struct tcf_block *block) 1198ae70032SJiri Pirko { 1208ae70032SJiri Pirko } 12187d83093SJiri Pirko 1228c4083b3SJiri Pirko static inline 123c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 1248c4083b3SJiri Pirko struct tcf_block_ext_info *ei) 1258c4083b3SJiri Pirko { 1268c4083b3SJiri Pirko } 1278c4083b3SJiri Pirko 12844186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 12944186460SJiri Pirko { 13044186460SJiri Pirko return NULL; 13144186460SJiri Pirko } 13244186460SJiri Pirko 133acb67442SJiri Pirko static inline 134acb67442SJiri Pirko int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb, 135acb67442SJiri Pirko void *cb_priv) 136acb67442SJiri Pirko { 137acb67442SJiri Pirko return 0; 138acb67442SJiri Pirko } 139acb67442SJiri Pirko 140acb67442SJiri Pirko static inline 141acb67442SJiri Pirko void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb, 142acb67442SJiri Pirko void *cb_priv) 143acb67442SJiri Pirko { 144acb67442SJiri Pirko } 145acb67442SJiri Pirko 146acb67442SJiri Pirko static inline 147acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb) 148acb67442SJiri Pirko { 149acb67442SJiri Pirko return NULL; 150acb67442SJiri Pirko } 151acb67442SJiri Pirko 152acb67442SJiri Pirko static inline 153acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 154acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 155acb67442SJiri Pirko { 156acb67442SJiri Pirko return NULL; 157acb67442SJiri Pirko } 158acb67442SJiri Pirko 159acb67442SJiri Pirko static inline 160acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb) 161acb67442SJiri Pirko { 162acb67442SJiri Pirko } 163acb67442SJiri Pirko 164acb67442SJiri Pirko static inline 165acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb) 166acb67442SJiri Pirko { 167acb67442SJiri Pirko return 0; 168acb67442SJiri Pirko } 169acb67442SJiri Pirko 170acb67442SJiri Pirko static inline 171acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 172acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 17360513bd8SJohn Hurley void *cb_priv, 17460513bd8SJohn Hurley struct netlink_ext_ack *extack) 175acb67442SJiri Pirko { 176acb67442SJiri Pirko return NULL; 177acb67442SJiri Pirko } 178acb67442SJiri Pirko 179acb67442SJiri Pirko static inline 180acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 181acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 18260513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack) 183acb67442SJiri Pirko { 184acb67442SJiri Pirko return 0; 185acb67442SJiri Pirko } 186acb67442SJiri Pirko 187acb67442SJiri Pirko static inline 18832636742SJohn Hurley void __tcf_block_cb_unregister(struct tcf_block *block, 18932636742SJohn Hurley struct tcf_block_cb *block_cb) 190acb67442SJiri Pirko { 191acb67442SJiri Pirko } 192acb67442SJiri Pirko 193acb67442SJiri Pirko static inline 194acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 195acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 196acb67442SJiri Pirko { 197acb67442SJiri Pirko } 198acb67442SJiri Pirko 1997f76fa36SJohn Hurley static inline 2007f76fa36SJohn Hurley int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 2017f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2027f76fa36SJohn Hurley { 2037f76fa36SJohn Hurley return 0; 2047f76fa36SJohn Hurley } 2057f76fa36SJohn Hurley 2067f76fa36SJohn Hurley static inline 2077f76fa36SJohn Hurley int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 2087f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2097f76fa36SJohn Hurley { 2107f76fa36SJohn Hurley return 0; 2117f76fa36SJohn Hurley } 2127f76fa36SJohn Hurley 2137f76fa36SJohn Hurley static inline 2147f76fa36SJohn Hurley void __tc_indr_block_cb_unregister(struct net_device *dev, 2157f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2167f76fa36SJohn Hurley { 2177f76fa36SJohn Hurley } 2187f76fa36SJohn Hurley 2197f76fa36SJohn Hurley static inline 2207f76fa36SJohn Hurley void tc_indr_block_cb_unregister(struct net_device *dev, 2217f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2227f76fa36SJohn Hurley { 2237f76fa36SJohn Hurley } 2247f76fa36SJohn Hurley 22587d83093SJiri Pirko static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 22687d83093SJiri Pirko struct tcf_result *res, bool compat_mode) 22787d83093SJiri Pirko { 22887d83093SJiri Pirko return TC_ACT_UNSPEC; 22987d83093SJiri Pirko } 2308ae70032SJiri Pirko #endif 231cf1facdaSJiri Pirko 2321da177e4SLinus Torvalds static inline unsigned long 2331da177e4SLinus Torvalds __cls_set_class(unsigned long *clp, unsigned long cl) 2341da177e4SLinus Torvalds { 235a0efb80cSWANG Cong return xchg(clp, cl); 2361da177e4SLinus Torvalds } 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds static inline unsigned long 23934e3759cSJiri Pirko cls_set_class(struct Qdisc *q, unsigned long *clp, unsigned long cl) 2401da177e4SLinus Torvalds { 2411da177e4SLinus Torvalds unsigned long old_cl; 2421da177e4SLinus Torvalds 24334e3759cSJiri Pirko sch_tree_lock(q); 2441da177e4SLinus Torvalds old_cl = __cls_set_class(clp, cl); 24534e3759cSJiri Pirko sch_tree_unlock(q); 2461da177e4SLinus Torvalds return old_cl; 2471da177e4SLinus Torvalds } 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds static inline void 2501da177e4SLinus Torvalds tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) 2511da177e4SLinus Torvalds { 25234e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2531da177e4SLinus Torvalds unsigned long cl; 2541da177e4SLinus Torvalds 25534e3759cSJiri Pirko /* Check q as it is not set for shared blocks. In that case, 25634e3759cSJiri Pirko * setting class is not supported. 25734e3759cSJiri Pirko */ 25834e3759cSJiri Pirko if (!q) 25934e3759cSJiri Pirko return; 26034e3759cSJiri Pirko cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); 26134e3759cSJiri Pirko cl = cls_set_class(q, &r->class, cl); 2621da177e4SLinus Torvalds if (cl) 26334e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2641da177e4SLinus Torvalds } 2651da177e4SLinus Torvalds 2661da177e4SLinus Torvalds static inline void 2671da177e4SLinus Torvalds tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) 2681da177e4SLinus Torvalds { 26934e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2701da177e4SLinus Torvalds unsigned long cl; 2711da177e4SLinus Torvalds 27234e3759cSJiri Pirko if (!q) 27334e3759cSJiri Pirko return; 2741da177e4SLinus Torvalds if ((cl = __cls_set_class(&r->class, 0)) != 0) 27534e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2761da177e4SLinus Torvalds } 2771da177e4SLinus Torvalds 278fd2c3ef7SEric Dumazet struct tcf_exts { 2791da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_ACT 28033be6271SWANG Cong __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 28122dc13c8SWANG Cong int nr_actions; 28222dc13c8SWANG Cong struct tc_action **actions; 283e4b95c41SCong Wang struct net *net; 2841da177e4SLinus Torvalds #endif 2851da177e4SLinus Torvalds /* Map to export classifier specific extension TLV types to the 2861da177e4SLinus Torvalds * generic extensions API. Unsupported extensions must be set to 0. 2871da177e4SLinus Torvalds */ 2881da177e4SLinus Torvalds int action; 2891da177e4SLinus Torvalds int police; 2901da177e4SLinus Torvalds }; 2911da177e4SLinus Torvalds 292b9a24bb7SWANG Cong static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police) 29333be6271SWANG Cong { 29433be6271SWANG Cong #ifdef CONFIG_NET_CLS_ACT 2955da57f42SWANG Cong exts->type = 0; 29622dc13c8SWANG Cong exts->nr_actions = 0; 297e4b95c41SCong Wang exts->net = NULL; 29822dc13c8SWANG Cong exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), 29922dc13c8SWANG Cong GFP_KERNEL); 300b9a24bb7SWANG Cong if (!exts->actions) 301b9a24bb7SWANG Cong return -ENOMEM; 30233be6271SWANG Cong #endif 3035da57f42SWANG Cong exts->action = action; 3045da57f42SWANG Cong exts->police = police; 305b9a24bb7SWANG Cong return 0; 30633be6271SWANG Cong } 30733be6271SWANG Cong 308e4b95c41SCong Wang /* Return false if the netns is being destroyed in cleanup_net(). Callers 309e4b95c41SCong Wang * need to do cleanup synchronously in this case, otherwise may race with 310e4b95c41SCong Wang * tc_action_net_exit(). Return true for other cases. 311e4b95c41SCong Wang */ 312e4b95c41SCong Wang static inline bool tcf_exts_get_net(struct tcf_exts *exts) 313e4b95c41SCong Wang { 314e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 315e4b95c41SCong Wang exts->net = maybe_get_net(exts->net); 316e4b95c41SCong Wang return exts->net != NULL; 317e4b95c41SCong Wang #else 318e4b95c41SCong Wang return true; 319e4b95c41SCong Wang #endif 320e4b95c41SCong Wang } 321e4b95c41SCong Wang 322e4b95c41SCong Wang static inline void tcf_exts_put_net(struct tcf_exts *exts) 323e4b95c41SCong Wang { 324e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 325e4b95c41SCong Wang if (exts->net) 326e4b95c41SCong Wang put_net(exts->net); 327e4b95c41SCong Wang #endif 328e4b95c41SCong Wang } 329e4b95c41SCong Wang 33022dc13c8SWANG Cong #ifdef CONFIG_NET_CLS_ACT 331244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 332244cd96aSCong Wang for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++) 333244cd96aSCong Wang #else 334244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 335191672caSArnd Bergmann for (; 0; (void)(i), (void)(a), (void)(exts)) 33622dc13c8SWANG Cong #endif 33722dc13c8SWANG Cong 338d897a638SJakub Kicinski static inline void 339d897a638SJakub Kicinski tcf_exts_stats_update(const struct tcf_exts *exts, 340d897a638SJakub Kicinski u64 bytes, u64 packets, u64 lastuse) 341d897a638SJakub Kicinski { 342d897a638SJakub Kicinski #ifdef CONFIG_NET_CLS_ACT 343d897a638SJakub Kicinski int i; 344d897a638SJakub Kicinski 345d897a638SJakub Kicinski preempt_disable(); 346d897a638SJakub Kicinski 347d897a638SJakub Kicinski for (i = 0; i < exts->nr_actions; i++) { 348d897a638SJakub Kicinski struct tc_action *a = exts->actions[i]; 349d897a638SJakub Kicinski 35028169abaSEelco Chaudron tcf_action_stats_update(a, bytes, packets, lastuse, true); 351d897a638SJakub Kicinski } 352d897a638SJakub Kicinski 353d897a638SJakub Kicinski preempt_enable(); 354d897a638SJakub Kicinski #endif 355d897a638SJakub Kicinski } 356d897a638SJakub Kicinski 3571da177e4SLinus Torvalds /** 3583bcc0cecSJiri Pirko * tcf_exts_has_actions - check if at least one action is present 3593bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3603bcc0cecSJiri Pirko * 3613bcc0cecSJiri Pirko * Returns true if at least one action is present. 3623bcc0cecSJiri Pirko */ 3633bcc0cecSJiri Pirko static inline bool tcf_exts_has_actions(struct tcf_exts *exts) 3643bcc0cecSJiri Pirko { 3652734437eSWANG Cong #ifdef CONFIG_NET_CLS_ACT 3663bcc0cecSJiri Pirko return exts->nr_actions; 3673bcc0cecSJiri Pirko #else 3683bcc0cecSJiri Pirko return false; 3693bcc0cecSJiri Pirko #endif 3703bcc0cecSJiri Pirko } 3712734437eSWANG Cong 3723bcc0cecSJiri Pirko /** 3733bcc0cecSJiri Pirko * tcf_exts_has_one_action - check if exactly one action is present 3743bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3753bcc0cecSJiri Pirko * 3763bcc0cecSJiri Pirko * Returns true if exactly one action is present. 3773bcc0cecSJiri Pirko */ 3783bcc0cecSJiri Pirko static inline bool tcf_exts_has_one_action(struct tcf_exts *exts) 3793bcc0cecSJiri Pirko { 3803bcc0cecSJiri Pirko #ifdef CONFIG_NET_CLS_ACT 3813bcc0cecSJiri Pirko return exts->nr_actions == 1; 3823bcc0cecSJiri Pirko #else 3833bcc0cecSJiri Pirko return false; 3843bcc0cecSJiri Pirko #endif 3853bcc0cecSJiri Pirko } 3862734437eSWANG Cong 387244cd96aSCong Wang static inline struct tc_action *tcf_exts_first_action(struct tcf_exts *exts) 388244cd96aSCong Wang { 389244cd96aSCong Wang #ifdef CONFIG_NET_CLS_ACT 390244cd96aSCong Wang return exts->actions[0]; 391244cd96aSCong Wang #else 392244cd96aSCong Wang return NULL; 393244cd96aSCong Wang #endif 394244cd96aSCong Wang } 395244cd96aSCong Wang 396af69afc5SJiri Pirko /** 397af69afc5SJiri Pirko * tcf_exts_exec - execute tc filter extensions 398af69afc5SJiri Pirko * @skb: socket buffer 399af69afc5SJiri Pirko * @exts: tc filter extensions handle 400af69afc5SJiri Pirko * @res: desired result 401af69afc5SJiri Pirko * 402af089e70SJiri Pirko * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, 403af69afc5SJiri Pirko * a negative number if the filter must be considered unmatched or 404af69afc5SJiri Pirko * a positive action code (TC_ACT_*) which must be returned to the 405af69afc5SJiri Pirko * underlying layer. 406af69afc5SJiri Pirko */ 407af69afc5SJiri Pirko static inline int 408af69afc5SJiri Pirko tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, 409af69afc5SJiri Pirko struct tcf_result *res) 410af69afc5SJiri Pirko { 411af69afc5SJiri Pirko #ifdef CONFIG_NET_CLS_ACT 412ec1a9ccaSJiri Pirko return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); 413af69afc5SJiri Pirko #endif 414af089e70SJiri Pirko return TC_ACT_OK; 415af69afc5SJiri Pirko } 416af69afc5SJiri Pirko 4175c15257fSJoe Perches int tcf_exts_validate(struct net *net, struct tcf_proto *tp, 418c1b52739SBenjamin LaHaise struct nlattr **tb, struct nlattr *rate_tlv, 419ec6743a1SVlad Buslov struct tcf_exts *exts, bool ovr, bool rtnl_held, 42050a56190SAlexander Aring struct netlink_ext_ack *extack); 42118d0264fSWANG Cong void tcf_exts_destroy(struct tcf_exts *exts); 4229b0d4446SJiri Pirko void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); 4235da57f42SWANG Cong int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); 4245da57f42SWANG Cong int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); 4251da177e4SLinus Torvalds 4261da177e4SLinus Torvalds /** 4271da177e4SLinus Torvalds * struct tcf_pkt_info - packet information 4281da177e4SLinus Torvalds */ 429fd2c3ef7SEric Dumazet struct tcf_pkt_info { 4301da177e4SLinus Torvalds unsigned char * ptr; 4311da177e4SLinus Torvalds int nexthdr; 4321da177e4SLinus Torvalds }; 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds #ifdef CONFIG_NET_EMATCH 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds struct tcf_ematch_ops; 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds /** 4391da177e4SLinus Torvalds * struct tcf_ematch - extended match (ematch) 4401da177e4SLinus Torvalds * 4411da177e4SLinus Torvalds * @matchid: identifier to allow userspace to reidentify a match 4421da177e4SLinus Torvalds * @flags: flags specifying attributes and the relation to other matches 4431da177e4SLinus Torvalds * @ops: the operations lookup table of the corresponding ematch module 4441da177e4SLinus Torvalds * @datalen: length of the ematch specific configuration data 4451da177e4SLinus Torvalds * @data: ematch specific data 4461da177e4SLinus Torvalds */ 447fd2c3ef7SEric Dumazet struct tcf_ematch { 4481da177e4SLinus Torvalds struct tcf_ematch_ops * ops; 4491da177e4SLinus Torvalds unsigned long data; 4501da177e4SLinus Torvalds unsigned int datalen; 4511da177e4SLinus Torvalds u16 matchid; 4521da177e4SLinus Torvalds u16 flags; 45382a470f1SJohn Fastabend struct net *net; 4541da177e4SLinus Torvalds }; 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds static inline int tcf_em_is_container(struct tcf_ematch *em) 4571da177e4SLinus Torvalds { 4581da177e4SLinus Torvalds return !em->ops; 4591da177e4SLinus Torvalds } 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds static inline int tcf_em_is_simple(struct tcf_ematch *em) 4621da177e4SLinus Torvalds { 4631da177e4SLinus Torvalds return em->flags & TCF_EM_SIMPLE; 4641da177e4SLinus Torvalds } 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds static inline int tcf_em_is_inverted(struct tcf_ematch *em) 4671da177e4SLinus Torvalds { 4681da177e4SLinus Torvalds return em->flags & TCF_EM_INVERT; 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds static inline int tcf_em_last_match(struct tcf_ematch *em) 4721da177e4SLinus Torvalds { 4731da177e4SLinus Torvalds return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; 4741da177e4SLinus Torvalds } 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds static inline int tcf_em_early_end(struct tcf_ematch *em, int result) 4771da177e4SLinus Torvalds { 4781da177e4SLinus Torvalds if (tcf_em_last_match(em)) 4791da177e4SLinus Torvalds return 1; 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds if (result == 0 && em->flags & TCF_EM_REL_AND) 4821da177e4SLinus Torvalds return 1; 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds if (result != 0 && em->flags & TCF_EM_REL_OR) 4851da177e4SLinus Torvalds return 1; 4861da177e4SLinus Torvalds 4871da177e4SLinus Torvalds return 0; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds /** 4911da177e4SLinus Torvalds * struct tcf_ematch_tree - ematch tree handle 4921da177e4SLinus Torvalds * 4931da177e4SLinus Torvalds * @hdr: ematch tree header supplied by userspace 4941da177e4SLinus Torvalds * @matches: array of ematches 4951da177e4SLinus Torvalds */ 496fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4971da177e4SLinus Torvalds struct tcf_ematch_tree_hdr hdr; 4981da177e4SLinus Torvalds struct tcf_ematch * matches; 4991da177e4SLinus Torvalds 5001da177e4SLinus Torvalds }; 5011da177e4SLinus Torvalds 5021da177e4SLinus Torvalds /** 5031da177e4SLinus Torvalds * struct tcf_ematch_ops - ematch module operations 5041da177e4SLinus Torvalds * 5051da177e4SLinus Torvalds * @kind: identifier (kind) of this ematch module 5061da177e4SLinus Torvalds * @datalen: length of expected configuration data (optional) 5071da177e4SLinus Torvalds * @change: called during validation (optional) 5081da177e4SLinus Torvalds * @match: called during ematch tree evaluation, must return 1/0 5091da177e4SLinus Torvalds * @destroy: called during destroyage (optional) 5101da177e4SLinus Torvalds * @dump: called during dumping process (optional) 5111da177e4SLinus Torvalds * @owner: owner, must be set to THIS_MODULE 5121da177e4SLinus Torvalds * @link: link to previous/next ematch module (internal use) 5131da177e4SLinus Torvalds */ 514fd2c3ef7SEric Dumazet struct tcf_ematch_ops { 5151da177e4SLinus Torvalds int kind; 5161da177e4SLinus Torvalds int datalen; 51782a470f1SJohn Fastabend int (*change)(struct net *net, void *, 5181da177e4SLinus Torvalds int, struct tcf_ematch *); 5191da177e4SLinus Torvalds int (*match)(struct sk_buff *, struct tcf_ematch *, 5201da177e4SLinus Torvalds struct tcf_pkt_info *); 52182a470f1SJohn Fastabend void (*destroy)(struct tcf_ematch *); 5221da177e4SLinus Torvalds int (*dump)(struct sk_buff *, struct tcf_ematch *); 5231da177e4SLinus Torvalds struct module *owner; 5241da177e4SLinus Torvalds struct list_head link; 5251da177e4SLinus Torvalds }; 5261da177e4SLinus Torvalds 5275c15257fSJoe Perches int tcf_em_register(struct tcf_ematch_ops *); 5285c15257fSJoe Perches void tcf_em_unregister(struct tcf_ematch_ops *); 5295c15257fSJoe Perches int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, 5301da177e4SLinus Torvalds struct tcf_ematch_tree *); 53182a470f1SJohn Fastabend void tcf_em_tree_destroy(struct tcf_ematch_tree *); 5325c15257fSJoe Perches int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); 5335c15257fSJoe Perches int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, 5341da177e4SLinus Torvalds struct tcf_pkt_info *); 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds /** 5371da177e4SLinus Torvalds * tcf_em_tree_match - evaulate an ematch tree 5381da177e4SLinus Torvalds * 5391da177e4SLinus Torvalds * @skb: socket buffer of the packet in question 5401da177e4SLinus Torvalds * @tree: ematch tree to be used for evaluation 5411da177e4SLinus Torvalds * @info: packet information examined by classifier 5421da177e4SLinus Torvalds * 5431da177e4SLinus Torvalds * This function matches @skb against the ematch tree in @tree by going 5441da177e4SLinus Torvalds * through all ematches respecting their logic relations returning 5451da177e4SLinus Torvalds * as soon as the result is obvious. 5461da177e4SLinus Torvalds * 5471da177e4SLinus Torvalds * Returns 1 if the ematch tree as-one matches, no ematches are configured 5481da177e4SLinus Torvalds * or ematch is not enabled in the kernel, otherwise 0 is returned. 5491da177e4SLinus Torvalds */ 5501da177e4SLinus Torvalds static inline int tcf_em_tree_match(struct sk_buff *skb, 5511da177e4SLinus Torvalds struct tcf_ematch_tree *tree, 5521da177e4SLinus Torvalds struct tcf_pkt_info *info) 5531da177e4SLinus Torvalds { 5541da177e4SLinus Torvalds if (tree->hdr.nmatches) 5551da177e4SLinus Torvalds return __tcf_em_tree_match(skb, tree, info); 5561da177e4SLinus Torvalds else 5571da177e4SLinus Torvalds return 1; 5581da177e4SLinus Torvalds } 5591da177e4SLinus Torvalds 560db3d99c0SPatrick McHardy #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) 561db3d99c0SPatrick McHardy 5621da177e4SLinus Torvalds #else /* CONFIG_NET_EMATCH */ 5631da177e4SLinus Torvalds 564fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 5651da177e4SLinus Torvalds }; 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) 56882a470f1SJohn Fastabend #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) 5691da177e4SLinus Torvalds #define tcf_em_tree_dump(skb, t, tlv) (0) 5701da177e4SLinus Torvalds #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds #endif /* CONFIG_NET_EMATCH */ 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) 5751da177e4SLinus Torvalds { 5761da177e4SLinus Torvalds switch (layer) { 5771da177e4SLinus Torvalds case TCF_LAYER_LINK: 578d3303a65SWolfgang Bumiller return skb_mac_header(skb); 5791da177e4SLinus Torvalds case TCF_LAYER_NETWORK: 580d56f90a7SArnaldo Carvalho de Melo return skb_network_header(skb); 5811da177e4SLinus Torvalds case TCF_LAYER_TRANSPORT: 5829c70220bSArnaldo Carvalho de Melo return skb_transport_header(skb); 5831da177e4SLinus Torvalds } 5841da177e4SLinus Torvalds 5851da177e4SLinus Torvalds return NULL; 5861da177e4SLinus Torvalds } 5871da177e4SLinus Torvalds 588eddc9ec5SArnaldo Carvalho de Melo static inline int tcf_valid_offset(const struct sk_buff *skb, 589eddc9ec5SArnaldo Carvalho de Melo const unsigned char *ptr, const int len) 5901da177e4SLinus Torvalds { 591da521b2cSDavid S. Miller return likely((ptr + len) <= skb_tail_pointer(skb) && 592da521b2cSDavid S. Miller ptr >= skb->head && 593da521b2cSDavid S. Miller (ptr <= (ptr + len))); 5941da177e4SLinus Torvalds } 5951da177e4SLinus Torvalds 5961da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_IND 5970eeb8ffcSDenis V. Lunev #include <net/net_namespace.h> 5980eeb8ffcSDenis V. Lunev 5991da177e4SLinus Torvalds static inline int 6001057c55fSAlexander Aring tcf_change_indev(struct net *net, struct nlattr *indev_tlv, 6011057c55fSAlexander Aring struct netlink_ext_ack *extack) 6021da177e4SLinus Torvalds { 6032519a602SWANG Cong char indev[IFNAMSIZ]; 604c01003c2SPatrick McHardy struct net_device *dev; 605c01003c2SPatrick McHardy 6061057c55fSAlexander Aring if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) { 6071057c55fSAlexander Aring NL_SET_ERR_MSG(extack, "Interface name too long"); 6082519a602SWANG Cong return -EINVAL; 6091057c55fSAlexander Aring } 6102519a602SWANG Cong dev = __dev_get_by_name(net, indev); 6112519a602SWANG Cong if (!dev) 6122519a602SWANG Cong return -ENODEV; 6132519a602SWANG Cong return dev->ifindex; 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds 6162519a602SWANG Cong static inline bool 6172519a602SWANG Cong tcf_match_indev(struct sk_buff *skb, int ifindex) 6182519a602SWANG Cong { 6192519a602SWANG Cong if (!ifindex) 6202519a602SWANG Cong return true; 6212519a602SWANG Cong if (!skb->skb_iif) 6222519a602SWANG Cong return false; 6232519a602SWANG Cong return ifindex == skb->skb_iif; 6241da177e4SLinus Torvalds } 6251da177e4SLinus Torvalds #endif /* CONFIG_NET_CLS_IND */ 6261da177e4SLinus Torvalds 6273a7b6861SPablo Neira Ayuso int tc_setup_flow_action(struct flow_action *flow_action, 6283a7b6861SPablo Neira Ayuso const struct tcf_exts *exts); 629aeb3fecdSCong Wang int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type, 630aeb3fecdSCong Wang void *type_data, bool err_stop); 631e3ab786bSPablo Neira Ayuso unsigned int tcf_exts_num_actions(struct tcf_exts *exts); 632717503b9SJiri Pirko 6338c4083b3SJiri Pirko enum tc_block_command { 6348c4083b3SJiri Pirko TC_BLOCK_BIND, 6358c4083b3SJiri Pirko TC_BLOCK_UNBIND, 6368c4083b3SJiri Pirko }; 6378c4083b3SJiri Pirko 6388c4083b3SJiri Pirko struct tc_block_offload { 6398c4083b3SJiri Pirko enum tc_block_command command; 6408c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 6418c4083b3SJiri Pirko struct tcf_block *block; 64260513bd8SJohn Hurley struct netlink_ext_ack *extack; 6438c4083b3SJiri Pirko }; 6448c4083b3SJiri Pirko 6455fd9fc4eSJiri Pirko struct tc_cls_common_offload { 6465fd9fc4eSJiri Pirko u32 chain_index; 6475fd9fc4eSJiri Pirko __be16 protocol; 648d7c1c8d2SJiri Pirko u32 prio; 6498f0b425aSQuentin Monnet struct netlink_ext_ack *extack; 6505fd9fc4eSJiri Pirko }; 6515fd9fc4eSJiri Pirko 652a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode { 653a1b7c5fdSJohn Fastabend struct tcf_exts *exts; 654068ceb35SJakub Kicinski struct tcf_result *res; 655e014860eSJohn Fastabend struct tc_u32_sel *sel; 656a1b7c5fdSJohn Fastabend u32 handle; 657a1b7c5fdSJohn Fastabend u32 val; 658a1b7c5fdSJohn Fastabend u32 mask; 659a1b7c5fdSJohn Fastabend u32 link_handle; 660e014860eSJohn Fastabend u8 fshift; 661a1b7c5fdSJohn Fastabend }; 662a1b7c5fdSJohn Fastabend 663a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode { 664a1b7c5fdSJohn Fastabend u32 handle; 665a1b7c5fdSJohn Fastabend u32 prio; 666a1b7c5fdSJohn Fastabend unsigned int divisor; 667a1b7c5fdSJohn Fastabend }; 668a1b7c5fdSJohn Fastabend 669a1b7c5fdSJohn Fastabend enum tc_clsu32_command { 670a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_KNODE, 671a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_KNODE, 672a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_KNODE, 673a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_HNODE, 674a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_HNODE, 675a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_HNODE, 676a1b7c5fdSJohn Fastabend }; 677a1b7c5fdSJohn Fastabend 678a1b7c5fdSJohn Fastabend struct tc_cls_u32_offload { 6795fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 680a1b7c5fdSJohn Fastabend /* knode values */ 681a1b7c5fdSJohn Fastabend enum tc_clsu32_command command; 682a1b7c5fdSJohn Fastabend union { 683a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode knode; 684a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode hnode; 685a1b7c5fdSJohn Fastabend }; 686a1b7c5fdSJohn Fastabend }; 687a1b7c5fdSJohn Fastabend 6887b06e8aeSJiri Pirko static inline bool tc_can_offload(const struct net_device *dev) 6896843e7a2SJohn Fastabend { 69070b5aee4SJiri Pirko return dev->features & NETIF_F_HW_TC; 6916843e7a2SJohn Fastabend } 6926843e7a2SJohn Fastabend 693f9eda14fSQuentin Monnet static inline bool tc_can_offload_extack(const struct net_device *dev, 694f9eda14fSQuentin Monnet struct netlink_ext_ack *extack) 695f9eda14fSQuentin Monnet { 696f9eda14fSQuentin Monnet bool can = tc_can_offload(dev); 697f9eda14fSQuentin Monnet 698f9eda14fSQuentin Monnet if (!can) 699f9eda14fSQuentin Monnet NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); 700f9eda14fSQuentin Monnet 701f9eda14fSQuentin Monnet return can; 702f9eda14fSQuentin Monnet } 703f9eda14fSQuentin Monnet 704878db9f0SJakub Kicinski static inline bool 705878db9f0SJakub Kicinski tc_cls_can_offload_and_chain0(const struct net_device *dev, 706878db9f0SJakub Kicinski struct tc_cls_common_offload *common) 707878db9f0SJakub Kicinski { 708878db9f0SJakub Kicinski if (!tc_can_offload_extack(dev, common->extack)) 709878db9f0SJakub Kicinski return false; 710878db9f0SJakub Kicinski if (common->chain_index) { 711878db9f0SJakub Kicinski NL_SET_ERR_MSG(common->extack, 712878db9f0SJakub Kicinski "Driver supports only offload of chain 0"); 713878db9f0SJakub Kicinski return false; 714878db9f0SJakub Kicinski } 715878db9f0SJakub Kicinski return true; 716878db9f0SJakub Kicinski } 717878db9f0SJakub Kicinski 71855330f05SHadar Hen Zion static inline bool tc_skip_hw(u32 flags) 71955330f05SHadar Hen Zion { 72055330f05SHadar Hen Zion return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; 72155330f05SHadar Hen Zion } 72255330f05SHadar Hen Zion 723d34e3e18SSamudrala, Sridhar static inline bool tc_skip_sw(u32 flags) 724d34e3e18SSamudrala, Sridhar { 725d34e3e18SSamudrala, Sridhar return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; 726d34e3e18SSamudrala, Sridhar } 727d34e3e18SSamudrala, Sridhar 728d34e3e18SSamudrala, Sridhar /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ 729d34e3e18SSamudrala, Sridhar static inline bool tc_flags_valid(u32 flags) 730d34e3e18SSamudrala, Sridhar { 73181c7288bSMarcelo Ricardo Leitner if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | 73281c7288bSMarcelo Ricardo Leitner TCA_CLS_FLAGS_VERBOSE)) 733d34e3e18SSamudrala, Sridhar return false; 734d34e3e18SSamudrala, Sridhar 73581c7288bSMarcelo Ricardo Leitner flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; 736d34e3e18SSamudrala, Sridhar if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) 737d34e3e18SSamudrala, Sridhar return false; 738d34e3e18SSamudrala, Sridhar 739d34e3e18SSamudrala, Sridhar return true; 740d34e3e18SSamudrala, Sridhar } 741d34e3e18SSamudrala, Sridhar 742e696028aSOr Gerlitz static inline bool tc_in_hw(u32 flags) 743e696028aSOr Gerlitz { 744e696028aSOr Gerlitz return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; 745e696028aSOr Gerlitz } 746e696028aSOr Gerlitz 74734832e1cSJakub Kicinski static inline void 74834832e1cSJakub Kicinski tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common, 74934832e1cSJakub Kicinski const struct tcf_proto *tp, u32 flags, 75034832e1cSJakub Kicinski struct netlink_ext_ack *extack) 75134832e1cSJakub Kicinski { 75234832e1cSJakub Kicinski cls_common->chain_index = tp->chain->index; 75334832e1cSJakub Kicinski cls_common->protocol = tp->protocol; 75434832e1cSJakub Kicinski cls_common->prio = tp->prio; 75581c7288bSMarcelo Ricardo Leitner if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) 75634832e1cSJakub Kicinski cls_common->extack = extack; 75734832e1cSJakub Kicinski } 75834832e1cSJakub Kicinski 7595b33f488SAmir Vadai enum tc_fl_command { 7605b33f488SAmir Vadai TC_CLSFLOWER_REPLACE, 7615b33f488SAmir Vadai TC_CLSFLOWER_DESTROY, 76210cbc684SAmir Vadai TC_CLSFLOWER_STATS, 76334738452SJiri Pirko TC_CLSFLOWER_TMPLT_CREATE, 76434738452SJiri Pirko TC_CLSFLOWER_TMPLT_DESTROY, 7655b33f488SAmir Vadai }; 7665b33f488SAmir Vadai 7675b33f488SAmir Vadai struct tc_cls_flower_offload { 7685fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 7695b33f488SAmir Vadai enum tc_fl_command command; 7708208d21bSAmir Vadai unsigned long cookie; 7718f256622SPablo Neira Ayuso struct flow_rule *rule; 7723b1903efSPablo Neira Ayuso struct flow_stats stats; 773384c181eSAmritha Nambiar u32 classid; 7745b33f488SAmir Vadai }; 7755b33f488SAmir Vadai 7768f256622SPablo Neira Ayuso static inline struct flow_rule * 7778f256622SPablo Neira Ayuso tc_cls_flower_offload_flow_rule(struct tc_cls_flower_offload *tc_flow_cmd) 7788f256622SPablo Neira Ayuso { 7798f256622SPablo Neira Ayuso return tc_flow_cmd->rule; 7808f256622SPablo Neira Ayuso } 7818f256622SPablo Neira Ayuso 782b87f7936SYotam Gigi enum tc_matchall_command { 783b87f7936SYotam Gigi TC_CLSMATCHALL_REPLACE, 784b87f7936SYotam Gigi TC_CLSMATCHALL_DESTROY, 785b87f7936SYotam Gigi }; 786b87f7936SYotam Gigi 787b87f7936SYotam Gigi struct tc_cls_matchall_offload { 7885fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 789b87f7936SYotam Gigi enum tc_matchall_command command; 790b87f7936SYotam Gigi struct tcf_exts *exts; 791b87f7936SYotam Gigi unsigned long cookie; 792b87f7936SYotam Gigi }; 793b87f7936SYotam Gigi 794332ae8e2SJakub Kicinski enum tc_clsbpf_command { 795102740bdSJakub Kicinski TC_CLSBPF_OFFLOAD, 79668d64063SJakub Kicinski TC_CLSBPF_STATS, 797332ae8e2SJakub Kicinski }; 798332ae8e2SJakub Kicinski 799332ae8e2SJakub Kicinski struct tc_cls_bpf_offload { 8005fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 801332ae8e2SJakub Kicinski enum tc_clsbpf_command command; 802332ae8e2SJakub Kicinski struct tcf_exts *exts; 803332ae8e2SJakub Kicinski struct bpf_prog *prog; 804102740bdSJakub Kicinski struct bpf_prog *oldprog; 805332ae8e2SJakub Kicinski const char *name; 806332ae8e2SJakub Kicinski bool exts_integrated; 807332ae8e2SJakub Kicinski }; 808332ae8e2SJakub Kicinski 8094e8b86c0SAmritha Nambiar struct tc_mqprio_qopt_offload { 8104e8b86c0SAmritha Nambiar /* struct tc_mqprio_qopt must always be the first element */ 8114e8b86c0SAmritha Nambiar struct tc_mqprio_qopt qopt; 8124e8b86c0SAmritha Nambiar u16 mode; 8134e8b86c0SAmritha Nambiar u16 shaper; 8144e8b86c0SAmritha Nambiar u32 flags; 8154e8b86c0SAmritha Nambiar u64 min_rate[TC_QOPT_MAX_QUEUE]; 8164e8b86c0SAmritha Nambiar u64 max_rate[TC_QOPT_MAX_QUEUE]; 8174e8b86c0SAmritha Nambiar }; 8181045ba77SJamal Hadi Salim 8191045ba77SJamal Hadi Salim /* This structure holds cookie structure that is passed from user 8201045ba77SJamal Hadi Salim * to the kernel for actions and classifiers 8211045ba77SJamal Hadi Salim */ 8221045ba77SJamal Hadi Salim struct tc_cookie { 8231045ba77SJamal Hadi Salim u8 *data; 8241045ba77SJamal Hadi Salim u32 len; 825eec94fdbSVlad Buslov struct rcu_head rcu; 8261045ba77SJamal Hadi Salim }; 827602f3bafSNogah Frankel 828f34b4aacSNogah Frankel struct tc_qopt_offload_stats { 829f34b4aacSNogah Frankel struct gnet_stats_basic_packed *bstats; 830f34b4aacSNogah Frankel struct gnet_stats_queue *qstats; 831f34b4aacSNogah Frankel }; 832f34b4aacSNogah Frankel 833f971b132SJakub Kicinski enum tc_mq_command { 834f971b132SJakub Kicinski TC_MQ_CREATE, 835f971b132SJakub Kicinski TC_MQ_DESTROY, 83647c669a4SJakub Kicinski TC_MQ_STATS, 837d577a3d2SJakub Kicinski TC_MQ_GRAFT, 838d577a3d2SJakub Kicinski }; 839d577a3d2SJakub Kicinski 840d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params { 841d577a3d2SJakub Kicinski unsigned long queue; 842d577a3d2SJakub Kicinski u32 child_handle; 843f971b132SJakub Kicinski }; 844f971b132SJakub Kicinski 845f971b132SJakub Kicinski struct tc_mq_qopt_offload { 846f971b132SJakub Kicinski enum tc_mq_command command; 847f971b132SJakub Kicinski u32 handle; 848d577a3d2SJakub Kicinski union { 84947c669a4SJakub Kicinski struct tc_qopt_offload_stats stats; 850d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params graft_params; 851d577a3d2SJakub Kicinski }; 852f971b132SJakub Kicinski }; 853f971b132SJakub Kicinski 854602f3bafSNogah Frankel enum tc_red_command { 855602f3bafSNogah Frankel TC_RED_REPLACE, 856602f3bafSNogah Frankel TC_RED_DESTROY, 857602f3bafSNogah Frankel TC_RED_STATS, 858602f3bafSNogah Frankel TC_RED_XSTATS, 859bf2a752bSJakub Kicinski TC_RED_GRAFT, 860602f3bafSNogah Frankel }; 861602f3bafSNogah Frankel 862602f3bafSNogah Frankel struct tc_red_qopt_offload_params { 863602f3bafSNogah Frankel u32 min; 864602f3bafSNogah Frankel u32 max; 865602f3bafSNogah Frankel u32 probability; 866c0b7490bSJakub Kicinski u32 limit; 867602f3bafSNogah Frankel bool is_ecn; 868190852a5SJakub Kicinski bool is_harddrop; 869416ef9b1SJakub Kicinski struct gnet_stats_queue *qstats; 870602f3bafSNogah Frankel }; 871602f3bafSNogah Frankel 872602f3bafSNogah Frankel struct tc_red_qopt_offload { 873602f3bafSNogah Frankel enum tc_red_command command; 874602f3bafSNogah Frankel u32 handle; 875602f3bafSNogah Frankel u32 parent; 876602f3bafSNogah Frankel union { 877602f3bafSNogah Frankel struct tc_red_qopt_offload_params set; 878f34b4aacSNogah Frankel struct tc_qopt_offload_stats stats; 879602f3bafSNogah Frankel struct red_stats *xstats; 880bf2a752bSJakub Kicinski u32 child_handle; 881602f3bafSNogah Frankel }; 882602f3bafSNogah Frankel }; 883602f3bafSNogah Frankel 884890d8d23SJakub Kicinski enum tc_gred_command { 885890d8d23SJakub Kicinski TC_GRED_REPLACE, 886890d8d23SJakub Kicinski TC_GRED_DESTROY, 887e49efd52SJakub Kicinski TC_GRED_STATS, 888890d8d23SJakub Kicinski }; 889890d8d23SJakub Kicinski 890890d8d23SJakub Kicinski struct tc_gred_vq_qopt_offload_params { 891890d8d23SJakub Kicinski bool present; 892890d8d23SJakub Kicinski u32 limit; 893890d8d23SJakub Kicinski u32 prio; 894890d8d23SJakub Kicinski u32 min; 895890d8d23SJakub Kicinski u32 max; 896890d8d23SJakub Kicinski bool is_ecn; 897890d8d23SJakub Kicinski bool is_harddrop; 898890d8d23SJakub Kicinski u32 probability; 899890d8d23SJakub Kicinski /* Only need backlog, see struct tc_prio_qopt_offload_params */ 900890d8d23SJakub Kicinski u32 *backlog; 901890d8d23SJakub Kicinski }; 902890d8d23SJakub Kicinski 903890d8d23SJakub Kicinski struct tc_gred_qopt_offload_params { 904890d8d23SJakub Kicinski bool grio_on; 905890d8d23SJakub Kicinski bool wred_on; 906890d8d23SJakub Kicinski unsigned int dp_cnt; 907890d8d23SJakub Kicinski unsigned int dp_def; 908890d8d23SJakub Kicinski struct gnet_stats_queue *qstats; 909890d8d23SJakub Kicinski struct tc_gred_vq_qopt_offload_params tab[MAX_DPs]; 910890d8d23SJakub Kicinski }; 911890d8d23SJakub Kicinski 912e49efd52SJakub Kicinski struct tc_gred_qopt_offload_stats { 913e49efd52SJakub Kicinski struct gnet_stats_basic_packed bstats[MAX_DPs]; 914e49efd52SJakub Kicinski struct gnet_stats_queue qstats[MAX_DPs]; 915e49efd52SJakub Kicinski struct red_stats *xstats[MAX_DPs]; 916e49efd52SJakub Kicinski }; 917e49efd52SJakub Kicinski 918890d8d23SJakub Kicinski struct tc_gred_qopt_offload { 919890d8d23SJakub Kicinski enum tc_gred_command command; 920890d8d23SJakub Kicinski u32 handle; 921890d8d23SJakub Kicinski u32 parent; 922890d8d23SJakub Kicinski union { 923890d8d23SJakub Kicinski struct tc_gred_qopt_offload_params set; 924e49efd52SJakub Kicinski struct tc_gred_qopt_offload_stats stats; 925890d8d23SJakub Kicinski }; 926890d8d23SJakub Kicinski }; 927890d8d23SJakub Kicinski 9287fdb61b4SNogah Frankel enum tc_prio_command { 9297fdb61b4SNogah Frankel TC_PRIO_REPLACE, 9307fdb61b4SNogah Frankel TC_PRIO_DESTROY, 9317fdb61b4SNogah Frankel TC_PRIO_STATS, 932b9c7a7acSNogah Frankel TC_PRIO_GRAFT, 9337fdb61b4SNogah Frankel }; 9347fdb61b4SNogah Frankel 9357fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params { 9367fdb61b4SNogah Frankel int bands; 9377fdb61b4SNogah Frankel u8 priomap[TC_PRIO_MAX + 1]; 9387fdb61b4SNogah Frankel /* In case that a prio qdisc is offloaded and now is changed to a 9397fdb61b4SNogah Frankel * non-offloadedable config, it needs to update the backlog & qlen 9407fdb61b4SNogah Frankel * values to negate the HW backlog & qlen values (and only them). 9417fdb61b4SNogah Frankel */ 9427fdb61b4SNogah Frankel struct gnet_stats_queue *qstats; 9437fdb61b4SNogah Frankel }; 9447fdb61b4SNogah Frankel 945b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params { 946b9c7a7acSNogah Frankel u8 band; 947b9c7a7acSNogah Frankel u32 child_handle; 948b9c7a7acSNogah Frankel }; 949b9c7a7acSNogah Frankel 9507fdb61b4SNogah Frankel struct tc_prio_qopt_offload { 9517fdb61b4SNogah Frankel enum tc_prio_command command; 9527fdb61b4SNogah Frankel u32 handle; 9537fdb61b4SNogah Frankel u32 parent; 9547fdb61b4SNogah Frankel union { 9557fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params replace_params; 9567fdb61b4SNogah Frankel struct tc_qopt_offload_stats stats; 957b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params graft_params; 9587fdb61b4SNogah Frankel }; 9597fdb61b4SNogah Frankel }; 960b9c7a7acSNogah Frankel 96198b0e5f6SJakub Kicinski enum tc_root_command { 96298b0e5f6SJakub Kicinski TC_ROOT_GRAFT, 96398b0e5f6SJakub Kicinski }; 96498b0e5f6SJakub Kicinski 96598b0e5f6SJakub Kicinski struct tc_root_qopt_offload { 96698b0e5f6SJakub Kicinski enum tc_root_command command; 96798b0e5f6SJakub Kicinski u32 handle; 96898b0e5f6SJakub Kicinski bool ingress; 96998b0e5f6SJakub Kicinski }; 97098b0e5f6SJakub Kicinski 9711da177e4SLinus Torvalds #endif 972