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); 49f36fe1c4SJiri Pirko void tcf_block_netif_keep_dst(struct tcf_block *block); 506529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 518d1a77f9SAlexander Aring struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 528d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 53c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 548d1a77f9SAlexander Aring struct tcf_block_ext_info *ei, 558d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 566529eabaSJiri Pirko void tcf_block_put(struct tcf_block *block); 57c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 588c4083b3SJiri Pirko struct tcf_block_ext_info *ei); 5944186460SJiri Pirko 6048617387SJiri Pirko static inline bool tcf_block_shared(struct tcf_block *block) 6148617387SJiri Pirko { 6248617387SJiri Pirko return block->index; 6348617387SJiri Pirko } 6448617387SJiri Pirko 6544186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 6644186460SJiri Pirko { 6748617387SJiri Pirko WARN_ON(tcf_block_shared(block)); 6844186460SJiri Pirko return block->q; 6944186460SJiri Pirko } 7044186460SJiri Pirko 71acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb); 72acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 73acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 74acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb); 75acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb); 76acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 77acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 7860513bd8SJohn Hurley void *cb_priv, 7960513bd8SJohn Hurley struct netlink_ext_ack *extack); 80acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 81acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 8260513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack); 8332636742SJohn Hurley void __tcf_block_cb_unregister(struct tcf_block *block, 8432636742SJohn Hurley struct tcf_block_cb *block_cb); 85acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 86acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 877f76fa36SJohn Hurley int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 887f76fa36SJohn Hurley tc_indr_block_bind_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 void __tc_indr_block_cb_unregister(struct net_device *dev, 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); 95acb67442SJiri Pirko 9687d83093SJiri Pirko int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 9787d83093SJiri Pirko struct tcf_result *res, bool compat_mode); 9887d83093SJiri Pirko 998ae70032SJiri Pirko #else 1006529eabaSJiri Pirko static inline 1016529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 1023c149091SSudip Mukherjee struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 1033c149091SSudip Mukherjee struct netlink_ext_ack *extack) 1046529eabaSJiri Pirko { 1056529eabaSJiri Pirko return 0; 1066529eabaSJiri Pirko } 1076529eabaSJiri Pirko 1088c4083b3SJiri Pirko static inline 109c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 11033c30a8bSQuentin Monnet struct tcf_block_ext_info *ei, 11133c30a8bSQuentin Monnet struct netlink_ext_ack *extack) 1128c4083b3SJiri Pirko { 1138c4083b3SJiri Pirko return 0; 1148c4083b3SJiri Pirko } 1158c4083b3SJiri Pirko 1166529eabaSJiri Pirko static inline void tcf_block_put(struct tcf_block *block) 1178ae70032SJiri Pirko { 1188ae70032SJiri Pirko } 11987d83093SJiri Pirko 1208c4083b3SJiri Pirko static inline 121c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 1228c4083b3SJiri Pirko struct tcf_block_ext_info *ei) 1238c4083b3SJiri Pirko { 1248c4083b3SJiri Pirko } 1258c4083b3SJiri Pirko 12644186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 12744186460SJiri Pirko { 12844186460SJiri Pirko return NULL; 12944186460SJiri Pirko } 13044186460SJiri Pirko 131acb67442SJiri Pirko static inline 132acb67442SJiri Pirko int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb, 133acb67442SJiri Pirko void *cb_priv) 134acb67442SJiri Pirko { 135acb67442SJiri Pirko return 0; 136acb67442SJiri Pirko } 137acb67442SJiri Pirko 138acb67442SJiri Pirko static inline 139acb67442SJiri Pirko void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb, 140acb67442SJiri Pirko void *cb_priv) 141acb67442SJiri Pirko { 142acb67442SJiri Pirko } 143acb67442SJiri Pirko 144acb67442SJiri Pirko static inline 145acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb) 146acb67442SJiri Pirko { 147acb67442SJiri Pirko return NULL; 148acb67442SJiri Pirko } 149acb67442SJiri Pirko 150acb67442SJiri Pirko static inline 151acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 152acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 153acb67442SJiri Pirko { 154acb67442SJiri Pirko return NULL; 155acb67442SJiri Pirko } 156acb67442SJiri Pirko 157acb67442SJiri Pirko static inline 158acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb) 159acb67442SJiri Pirko { 160acb67442SJiri Pirko } 161acb67442SJiri Pirko 162acb67442SJiri Pirko static inline 163acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb) 164acb67442SJiri Pirko { 165acb67442SJiri Pirko return 0; 166acb67442SJiri Pirko } 167acb67442SJiri Pirko 168acb67442SJiri Pirko static inline 169acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 170acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 17160513bd8SJohn Hurley void *cb_priv, 17260513bd8SJohn Hurley struct netlink_ext_ack *extack) 173acb67442SJiri Pirko { 174acb67442SJiri Pirko return NULL; 175acb67442SJiri Pirko } 176acb67442SJiri Pirko 177acb67442SJiri Pirko static inline 178acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 179acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 18060513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack) 181acb67442SJiri Pirko { 182acb67442SJiri Pirko return 0; 183acb67442SJiri Pirko } 184acb67442SJiri Pirko 185acb67442SJiri Pirko static inline 18632636742SJohn Hurley void __tcf_block_cb_unregister(struct tcf_block *block, 18732636742SJohn Hurley struct tcf_block_cb *block_cb) 188acb67442SJiri Pirko { 189acb67442SJiri Pirko } 190acb67442SJiri Pirko 191acb67442SJiri Pirko static inline 192acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 193acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 194acb67442SJiri Pirko { 195acb67442SJiri Pirko } 196acb67442SJiri Pirko 1977f76fa36SJohn Hurley static inline 1987f76fa36SJohn Hurley int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 1997f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2007f76fa36SJohn Hurley { 2017f76fa36SJohn Hurley return 0; 2027f76fa36SJohn Hurley } 2037f76fa36SJohn Hurley 2047f76fa36SJohn Hurley static inline 2057f76fa36SJohn Hurley int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 2067f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2077f76fa36SJohn Hurley { 2087f76fa36SJohn Hurley return 0; 2097f76fa36SJohn Hurley } 2107f76fa36SJohn Hurley 2117f76fa36SJohn Hurley static inline 2127f76fa36SJohn Hurley void __tc_indr_block_cb_unregister(struct net_device *dev, 2137f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2147f76fa36SJohn Hurley { 2157f76fa36SJohn Hurley } 2167f76fa36SJohn Hurley 2177f76fa36SJohn Hurley static inline 2187f76fa36SJohn Hurley void tc_indr_block_cb_unregister(struct net_device *dev, 2197f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2207f76fa36SJohn Hurley { 2217f76fa36SJohn Hurley } 2227f76fa36SJohn Hurley 22387d83093SJiri Pirko static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 22487d83093SJiri Pirko struct tcf_result *res, bool compat_mode) 22587d83093SJiri Pirko { 22687d83093SJiri Pirko return TC_ACT_UNSPEC; 22787d83093SJiri Pirko } 2288ae70032SJiri Pirko #endif 229cf1facdaSJiri Pirko 2301da177e4SLinus Torvalds static inline unsigned long 2311da177e4SLinus Torvalds __cls_set_class(unsigned long *clp, unsigned long cl) 2321da177e4SLinus Torvalds { 233a0efb80cSWANG Cong return xchg(clp, cl); 2341da177e4SLinus Torvalds } 2351da177e4SLinus Torvalds 2361da177e4SLinus Torvalds static inline unsigned long 23734e3759cSJiri Pirko cls_set_class(struct Qdisc *q, unsigned long *clp, unsigned long cl) 2381da177e4SLinus Torvalds { 2391da177e4SLinus Torvalds unsigned long old_cl; 2401da177e4SLinus Torvalds 24134e3759cSJiri Pirko sch_tree_lock(q); 2421da177e4SLinus Torvalds old_cl = __cls_set_class(clp, cl); 24334e3759cSJiri Pirko sch_tree_unlock(q); 2441da177e4SLinus Torvalds return old_cl; 2451da177e4SLinus Torvalds } 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvalds static inline void 2481da177e4SLinus Torvalds tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) 2491da177e4SLinus Torvalds { 25034e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2511da177e4SLinus Torvalds unsigned long cl; 2521da177e4SLinus Torvalds 25334e3759cSJiri Pirko /* Check q as it is not set for shared blocks. In that case, 25434e3759cSJiri Pirko * setting class is not supported. 25534e3759cSJiri Pirko */ 25634e3759cSJiri Pirko if (!q) 25734e3759cSJiri Pirko return; 25834e3759cSJiri Pirko cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); 25934e3759cSJiri Pirko cl = cls_set_class(q, &r->class, cl); 2601da177e4SLinus Torvalds if (cl) 26134e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2621da177e4SLinus Torvalds } 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds static inline void 2651da177e4SLinus Torvalds tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) 2661da177e4SLinus Torvalds { 26734e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2681da177e4SLinus Torvalds unsigned long cl; 2691da177e4SLinus Torvalds 27034e3759cSJiri Pirko if (!q) 27134e3759cSJiri Pirko return; 2721da177e4SLinus Torvalds if ((cl = __cls_set_class(&r->class, 0)) != 0) 27334e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2741da177e4SLinus Torvalds } 2751da177e4SLinus Torvalds 276fd2c3ef7SEric Dumazet struct tcf_exts { 2771da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_ACT 27833be6271SWANG Cong __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 27922dc13c8SWANG Cong int nr_actions; 28022dc13c8SWANG Cong struct tc_action **actions; 281e4b95c41SCong Wang struct net *net; 2821da177e4SLinus Torvalds #endif 2831da177e4SLinus Torvalds /* Map to export classifier specific extension TLV types to the 2841da177e4SLinus Torvalds * generic extensions API. Unsupported extensions must be set to 0. 2851da177e4SLinus Torvalds */ 2861da177e4SLinus Torvalds int action; 2871da177e4SLinus Torvalds int police; 2881da177e4SLinus Torvalds }; 2891da177e4SLinus Torvalds 290b9a24bb7SWANG Cong static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police) 29133be6271SWANG Cong { 29233be6271SWANG Cong #ifdef CONFIG_NET_CLS_ACT 2935da57f42SWANG Cong exts->type = 0; 29422dc13c8SWANG Cong exts->nr_actions = 0; 295e4b95c41SCong Wang exts->net = NULL; 29622dc13c8SWANG Cong exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), 29722dc13c8SWANG Cong GFP_KERNEL); 298b9a24bb7SWANG Cong if (!exts->actions) 299b9a24bb7SWANG Cong return -ENOMEM; 30033be6271SWANG Cong #endif 3015da57f42SWANG Cong exts->action = action; 3025da57f42SWANG Cong exts->police = police; 303b9a24bb7SWANG Cong return 0; 30433be6271SWANG Cong } 30533be6271SWANG Cong 306e4b95c41SCong Wang /* Return false if the netns is being destroyed in cleanup_net(). Callers 307e4b95c41SCong Wang * need to do cleanup synchronously in this case, otherwise may race with 308e4b95c41SCong Wang * tc_action_net_exit(). Return true for other cases. 309e4b95c41SCong Wang */ 310e4b95c41SCong Wang static inline bool tcf_exts_get_net(struct tcf_exts *exts) 311e4b95c41SCong Wang { 312e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 313e4b95c41SCong Wang exts->net = maybe_get_net(exts->net); 314e4b95c41SCong Wang return exts->net != NULL; 315e4b95c41SCong Wang #else 316e4b95c41SCong Wang return true; 317e4b95c41SCong Wang #endif 318e4b95c41SCong Wang } 319e4b95c41SCong Wang 320e4b95c41SCong Wang static inline void tcf_exts_put_net(struct tcf_exts *exts) 321e4b95c41SCong Wang { 322e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 323e4b95c41SCong Wang if (exts->net) 324e4b95c41SCong Wang put_net(exts->net); 325e4b95c41SCong Wang #endif 326e4b95c41SCong Wang } 327e4b95c41SCong Wang 32822dc13c8SWANG Cong #ifdef CONFIG_NET_CLS_ACT 329244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 330244cd96aSCong Wang for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++) 331244cd96aSCong Wang #else 332244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 333191672caSArnd Bergmann for (; 0; (void)(i), (void)(a), (void)(exts)) 33422dc13c8SWANG Cong #endif 33522dc13c8SWANG Cong 336d897a638SJakub Kicinski static inline void 337d897a638SJakub Kicinski tcf_exts_stats_update(const struct tcf_exts *exts, 338d897a638SJakub Kicinski u64 bytes, u64 packets, u64 lastuse) 339d897a638SJakub Kicinski { 340d897a638SJakub Kicinski #ifdef CONFIG_NET_CLS_ACT 341d897a638SJakub Kicinski int i; 342d897a638SJakub Kicinski 343d897a638SJakub Kicinski preempt_disable(); 344d897a638SJakub Kicinski 345d897a638SJakub Kicinski for (i = 0; i < exts->nr_actions; i++) { 346d897a638SJakub Kicinski struct tc_action *a = exts->actions[i]; 347d897a638SJakub Kicinski 34828169abaSEelco Chaudron tcf_action_stats_update(a, bytes, packets, lastuse, true); 349d897a638SJakub Kicinski } 350d897a638SJakub Kicinski 351d897a638SJakub Kicinski preempt_enable(); 352d897a638SJakub Kicinski #endif 353d897a638SJakub Kicinski } 354d897a638SJakub Kicinski 3551da177e4SLinus Torvalds /** 3563bcc0cecSJiri Pirko * tcf_exts_has_actions - check if at least one action is present 3573bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3583bcc0cecSJiri Pirko * 3593bcc0cecSJiri Pirko * Returns true if at least one action is present. 3603bcc0cecSJiri Pirko */ 3613bcc0cecSJiri Pirko static inline bool tcf_exts_has_actions(struct tcf_exts *exts) 3623bcc0cecSJiri Pirko { 3632734437eSWANG Cong #ifdef CONFIG_NET_CLS_ACT 3643bcc0cecSJiri Pirko return exts->nr_actions; 3653bcc0cecSJiri Pirko #else 3663bcc0cecSJiri Pirko return false; 3673bcc0cecSJiri Pirko #endif 3683bcc0cecSJiri Pirko } 3692734437eSWANG Cong 3703bcc0cecSJiri Pirko /** 3713bcc0cecSJiri Pirko * tcf_exts_has_one_action - check if exactly one action is present 3723bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3733bcc0cecSJiri Pirko * 3743bcc0cecSJiri Pirko * Returns true if exactly one action is present. 3753bcc0cecSJiri Pirko */ 3763bcc0cecSJiri Pirko static inline bool tcf_exts_has_one_action(struct tcf_exts *exts) 3773bcc0cecSJiri Pirko { 3783bcc0cecSJiri Pirko #ifdef CONFIG_NET_CLS_ACT 3793bcc0cecSJiri Pirko return exts->nr_actions == 1; 3803bcc0cecSJiri Pirko #else 3813bcc0cecSJiri Pirko return false; 3823bcc0cecSJiri Pirko #endif 3833bcc0cecSJiri Pirko } 3842734437eSWANG Cong 385244cd96aSCong Wang static inline struct tc_action *tcf_exts_first_action(struct tcf_exts *exts) 386244cd96aSCong Wang { 387244cd96aSCong Wang #ifdef CONFIG_NET_CLS_ACT 388244cd96aSCong Wang return exts->actions[0]; 389244cd96aSCong Wang #else 390244cd96aSCong Wang return NULL; 391244cd96aSCong Wang #endif 392244cd96aSCong Wang } 393244cd96aSCong Wang 394af69afc5SJiri Pirko /** 395af69afc5SJiri Pirko * tcf_exts_exec - execute tc filter extensions 396af69afc5SJiri Pirko * @skb: socket buffer 397af69afc5SJiri Pirko * @exts: tc filter extensions handle 398af69afc5SJiri Pirko * @res: desired result 399af69afc5SJiri Pirko * 400af089e70SJiri Pirko * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, 401af69afc5SJiri Pirko * a negative number if the filter must be considered unmatched or 402af69afc5SJiri Pirko * a positive action code (TC_ACT_*) which must be returned to the 403af69afc5SJiri Pirko * underlying layer. 404af69afc5SJiri Pirko */ 405af69afc5SJiri Pirko static inline int 406af69afc5SJiri Pirko tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, 407af69afc5SJiri Pirko struct tcf_result *res) 408af69afc5SJiri Pirko { 409af69afc5SJiri Pirko #ifdef CONFIG_NET_CLS_ACT 410ec1a9ccaSJiri Pirko return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); 411af69afc5SJiri Pirko #endif 412af089e70SJiri Pirko return TC_ACT_OK; 413af69afc5SJiri Pirko } 414af69afc5SJiri Pirko 4155c15257fSJoe Perches int tcf_exts_validate(struct net *net, struct tcf_proto *tp, 416c1b52739SBenjamin LaHaise struct nlattr **tb, struct nlattr *rate_tlv, 41750a56190SAlexander Aring struct tcf_exts *exts, bool ovr, 41850a56190SAlexander Aring struct netlink_ext_ack *extack); 41918d0264fSWANG Cong void tcf_exts_destroy(struct tcf_exts *exts); 4209b0d4446SJiri Pirko void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); 4215da57f42SWANG Cong int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); 4225da57f42SWANG Cong int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); 4231da177e4SLinus Torvalds 4241da177e4SLinus Torvalds /** 4251da177e4SLinus Torvalds * struct tcf_pkt_info - packet information 4261da177e4SLinus Torvalds */ 427fd2c3ef7SEric Dumazet struct tcf_pkt_info { 4281da177e4SLinus Torvalds unsigned char * ptr; 4291da177e4SLinus Torvalds int nexthdr; 4301da177e4SLinus Torvalds }; 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds #ifdef CONFIG_NET_EMATCH 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds struct tcf_ematch_ops; 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds /** 4371da177e4SLinus Torvalds * struct tcf_ematch - extended match (ematch) 4381da177e4SLinus Torvalds * 4391da177e4SLinus Torvalds * @matchid: identifier to allow userspace to reidentify a match 4401da177e4SLinus Torvalds * @flags: flags specifying attributes and the relation to other matches 4411da177e4SLinus Torvalds * @ops: the operations lookup table of the corresponding ematch module 4421da177e4SLinus Torvalds * @datalen: length of the ematch specific configuration data 4431da177e4SLinus Torvalds * @data: ematch specific data 4441da177e4SLinus Torvalds */ 445fd2c3ef7SEric Dumazet struct tcf_ematch { 4461da177e4SLinus Torvalds struct tcf_ematch_ops * ops; 4471da177e4SLinus Torvalds unsigned long data; 4481da177e4SLinus Torvalds unsigned int datalen; 4491da177e4SLinus Torvalds u16 matchid; 4501da177e4SLinus Torvalds u16 flags; 45182a470f1SJohn Fastabend struct net *net; 4521da177e4SLinus Torvalds }; 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds static inline int tcf_em_is_container(struct tcf_ematch *em) 4551da177e4SLinus Torvalds { 4561da177e4SLinus Torvalds return !em->ops; 4571da177e4SLinus Torvalds } 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds static inline int tcf_em_is_simple(struct tcf_ematch *em) 4601da177e4SLinus Torvalds { 4611da177e4SLinus Torvalds return em->flags & TCF_EM_SIMPLE; 4621da177e4SLinus Torvalds } 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds static inline int tcf_em_is_inverted(struct tcf_ematch *em) 4651da177e4SLinus Torvalds { 4661da177e4SLinus Torvalds return em->flags & TCF_EM_INVERT; 4671da177e4SLinus Torvalds } 4681da177e4SLinus Torvalds 4691da177e4SLinus Torvalds static inline int tcf_em_last_match(struct tcf_ematch *em) 4701da177e4SLinus Torvalds { 4711da177e4SLinus Torvalds return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; 4721da177e4SLinus Torvalds } 4731da177e4SLinus Torvalds 4741da177e4SLinus Torvalds static inline int tcf_em_early_end(struct tcf_ematch *em, int result) 4751da177e4SLinus Torvalds { 4761da177e4SLinus Torvalds if (tcf_em_last_match(em)) 4771da177e4SLinus Torvalds return 1; 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds if (result == 0 && em->flags & TCF_EM_REL_AND) 4801da177e4SLinus Torvalds return 1; 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds if (result != 0 && em->flags & TCF_EM_REL_OR) 4831da177e4SLinus Torvalds return 1; 4841da177e4SLinus Torvalds 4851da177e4SLinus Torvalds return 0; 4861da177e4SLinus Torvalds } 4871da177e4SLinus Torvalds 4881da177e4SLinus Torvalds /** 4891da177e4SLinus Torvalds * struct tcf_ematch_tree - ematch tree handle 4901da177e4SLinus Torvalds * 4911da177e4SLinus Torvalds * @hdr: ematch tree header supplied by userspace 4921da177e4SLinus Torvalds * @matches: array of ematches 4931da177e4SLinus Torvalds */ 494fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4951da177e4SLinus Torvalds struct tcf_ematch_tree_hdr hdr; 4961da177e4SLinus Torvalds struct tcf_ematch * matches; 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds }; 4991da177e4SLinus Torvalds 5001da177e4SLinus Torvalds /** 5011da177e4SLinus Torvalds * struct tcf_ematch_ops - ematch module operations 5021da177e4SLinus Torvalds * 5031da177e4SLinus Torvalds * @kind: identifier (kind) of this ematch module 5041da177e4SLinus Torvalds * @datalen: length of expected configuration data (optional) 5051da177e4SLinus Torvalds * @change: called during validation (optional) 5061da177e4SLinus Torvalds * @match: called during ematch tree evaluation, must return 1/0 5071da177e4SLinus Torvalds * @destroy: called during destroyage (optional) 5081da177e4SLinus Torvalds * @dump: called during dumping process (optional) 5091da177e4SLinus Torvalds * @owner: owner, must be set to THIS_MODULE 5101da177e4SLinus Torvalds * @link: link to previous/next ematch module (internal use) 5111da177e4SLinus Torvalds */ 512fd2c3ef7SEric Dumazet struct tcf_ematch_ops { 5131da177e4SLinus Torvalds int kind; 5141da177e4SLinus Torvalds int datalen; 51582a470f1SJohn Fastabend int (*change)(struct net *net, void *, 5161da177e4SLinus Torvalds int, struct tcf_ematch *); 5171da177e4SLinus Torvalds int (*match)(struct sk_buff *, struct tcf_ematch *, 5181da177e4SLinus Torvalds struct tcf_pkt_info *); 51982a470f1SJohn Fastabend void (*destroy)(struct tcf_ematch *); 5201da177e4SLinus Torvalds int (*dump)(struct sk_buff *, struct tcf_ematch *); 5211da177e4SLinus Torvalds struct module *owner; 5221da177e4SLinus Torvalds struct list_head link; 5231da177e4SLinus Torvalds }; 5241da177e4SLinus Torvalds 5255c15257fSJoe Perches int tcf_em_register(struct tcf_ematch_ops *); 5265c15257fSJoe Perches void tcf_em_unregister(struct tcf_ematch_ops *); 5275c15257fSJoe Perches int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, 5281da177e4SLinus Torvalds struct tcf_ematch_tree *); 52982a470f1SJohn Fastabend void tcf_em_tree_destroy(struct tcf_ematch_tree *); 5305c15257fSJoe Perches int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); 5315c15257fSJoe Perches int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, 5321da177e4SLinus Torvalds struct tcf_pkt_info *); 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds /** 5351da177e4SLinus Torvalds * tcf_em_tree_match - evaulate an ematch tree 5361da177e4SLinus Torvalds * 5371da177e4SLinus Torvalds * @skb: socket buffer of the packet in question 5381da177e4SLinus Torvalds * @tree: ematch tree to be used for evaluation 5391da177e4SLinus Torvalds * @info: packet information examined by classifier 5401da177e4SLinus Torvalds * 5411da177e4SLinus Torvalds * This function matches @skb against the ematch tree in @tree by going 5421da177e4SLinus Torvalds * through all ematches respecting their logic relations returning 5431da177e4SLinus Torvalds * as soon as the result is obvious. 5441da177e4SLinus Torvalds * 5451da177e4SLinus Torvalds * Returns 1 if the ematch tree as-one matches, no ematches are configured 5461da177e4SLinus Torvalds * or ematch is not enabled in the kernel, otherwise 0 is returned. 5471da177e4SLinus Torvalds */ 5481da177e4SLinus Torvalds static inline int tcf_em_tree_match(struct sk_buff *skb, 5491da177e4SLinus Torvalds struct tcf_ematch_tree *tree, 5501da177e4SLinus Torvalds struct tcf_pkt_info *info) 5511da177e4SLinus Torvalds { 5521da177e4SLinus Torvalds if (tree->hdr.nmatches) 5531da177e4SLinus Torvalds return __tcf_em_tree_match(skb, tree, info); 5541da177e4SLinus Torvalds else 5551da177e4SLinus Torvalds return 1; 5561da177e4SLinus Torvalds } 5571da177e4SLinus Torvalds 558db3d99c0SPatrick McHardy #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) 559db3d99c0SPatrick McHardy 5601da177e4SLinus Torvalds #else /* CONFIG_NET_EMATCH */ 5611da177e4SLinus Torvalds 562fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 5631da177e4SLinus Torvalds }; 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) 56682a470f1SJohn Fastabend #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) 5671da177e4SLinus Torvalds #define tcf_em_tree_dump(skb, t, tlv) (0) 5681da177e4SLinus Torvalds #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) 5691da177e4SLinus Torvalds 5701da177e4SLinus Torvalds #endif /* CONFIG_NET_EMATCH */ 5711da177e4SLinus Torvalds 5721da177e4SLinus Torvalds static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) 5731da177e4SLinus Torvalds { 5741da177e4SLinus Torvalds switch (layer) { 5751da177e4SLinus Torvalds case TCF_LAYER_LINK: 576d3303a65SWolfgang Bumiller return skb_mac_header(skb); 5771da177e4SLinus Torvalds case TCF_LAYER_NETWORK: 578d56f90a7SArnaldo Carvalho de Melo return skb_network_header(skb); 5791da177e4SLinus Torvalds case TCF_LAYER_TRANSPORT: 5809c70220bSArnaldo Carvalho de Melo return skb_transport_header(skb); 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds return NULL; 5841da177e4SLinus Torvalds } 5851da177e4SLinus Torvalds 586eddc9ec5SArnaldo Carvalho de Melo static inline int tcf_valid_offset(const struct sk_buff *skb, 587eddc9ec5SArnaldo Carvalho de Melo const unsigned char *ptr, const int len) 5881da177e4SLinus Torvalds { 589da521b2cSDavid S. Miller return likely((ptr + len) <= skb_tail_pointer(skb) && 590da521b2cSDavid S. Miller ptr >= skb->head && 591da521b2cSDavid S. Miller (ptr <= (ptr + len))); 5921da177e4SLinus Torvalds } 5931da177e4SLinus Torvalds 5941da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_IND 5950eeb8ffcSDenis V. Lunev #include <net/net_namespace.h> 5960eeb8ffcSDenis V. Lunev 5971da177e4SLinus Torvalds static inline int 5981057c55fSAlexander Aring tcf_change_indev(struct net *net, struct nlattr *indev_tlv, 5991057c55fSAlexander Aring struct netlink_ext_ack *extack) 6001da177e4SLinus Torvalds { 6012519a602SWANG Cong char indev[IFNAMSIZ]; 602c01003c2SPatrick McHardy struct net_device *dev; 603c01003c2SPatrick McHardy 6041057c55fSAlexander Aring if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) { 6051057c55fSAlexander Aring NL_SET_ERR_MSG(extack, "Interface name too long"); 6062519a602SWANG Cong return -EINVAL; 6071057c55fSAlexander Aring } 6082519a602SWANG Cong dev = __dev_get_by_name(net, indev); 6092519a602SWANG Cong if (!dev) 6102519a602SWANG Cong return -ENODEV; 6112519a602SWANG Cong return dev->ifindex; 6121da177e4SLinus Torvalds } 6131da177e4SLinus Torvalds 6142519a602SWANG Cong static inline bool 6152519a602SWANG Cong tcf_match_indev(struct sk_buff *skb, int ifindex) 6162519a602SWANG Cong { 6172519a602SWANG Cong if (!ifindex) 6182519a602SWANG Cong return true; 6192519a602SWANG Cong if (!skb->skb_iif) 6202519a602SWANG Cong return false; 6212519a602SWANG Cong return ifindex == skb->skb_iif; 6221da177e4SLinus Torvalds } 6231da177e4SLinus Torvalds #endif /* CONFIG_NET_CLS_IND */ 6241da177e4SLinus Torvalds 6253a7b6861SPablo Neira Ayuso int tc_setup_flow_action(struct flow_action *flow_action, 6263a7b6861SPablo Neira Ayuso const struct tcf_exts *exts); 627aeb3fecdSCong Wang int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type, 628aeb3fecdSCong Wang void *type_data, bool err_stop); 629e3ab786bSPablo Neira Ayuso unsigned int tcf_exts_num_actions(struct tcf_exts *exts); 630717503b9SJiri Pirko 6318c4083b3SJiri Pirko enum tc_block_command { 6328c4083b3SJiri Pirko TC_BLOCK_BIND, 6338c4083b3SJiri Pirko TC_BLOCK_UNBIND, 6348c4083b3SJiri Pirko }; 6358c4083b3SJiri Pirko 6368c4083b3SJiri Pirko struct tc_block_offload { 6378c4083b3SJiri Pirko enum tc_block_command command; 6388c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 6398c4083b3SJiri Pirko struct tcf_block *block; 64060513bd8SJohn Hurley struct netlink_ext_ack *extack; 6418c4083b3SJiri Pirko }; 6428c4083b3SJiri Pirko 6435fd9fc4eSJiri Pirko struct tc_cls_common_offload { 6445fd9fc4eSJiri Pirko u32 chain_index; 6455fd9fc4eSJiri Pirko __be16 protocol; 646d7c1c8d2SJiri Pirko u32 prio; 6478f0b425aSQuentin Monnet struct netlink_ext_ack *extack; 6485fd9fc4eSJiri Pirko }; 6495fd9fc4eSJiri Pirko 650a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode { 651a1b7c5fdSJohn Fastabend struct tcf_exts *exts; 652068ceb35SJakub Kicinski struct tcf_result *res; 653e014860eSJohn Fastabend struct tc_u32_sel *sel; 654a1b7c5fdSJohn Fastabend u32 handle; 655a1b7c5fdSJohn Fastabend u32 val; 656a1b7c5fdSJohn Fastabend u32 mask; 657a1b7c5fdSJohn Fastabend u32 link_handle; 658e014860eSJohn Fastabend u8 fshift; 659a1b7c5fdSJohn Fastabend }; 660a1b7c5fdSJohn Fastabend 661a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode { 662a1b7c5fdSJohn Fastabend u32 handle; 663a1b7c5fdSJohn Fastabend u32 prio; 664a1b7c5fdSJohn Fastabend unsigned int divisor; 665a1b7c5fdSJohn Fastabend }; 666a1b7c5fdSJohn Fastabend 667a1b7c5fdSJohn Fastabend enum tc_clsu32_command { 668a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_KNODE, 669a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_KNODE, 670a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_KNODE, 671a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_HNODE, 672a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_HNODE, 673a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_HNODE, 674a1b7c5fdSJohn Fastabend }; 675a1b7c5fdSJohn Fastabend 676a1b7c5fdSJohn Fastabend struct tc_cls_u32_offload { 6775fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 678a1b7c5fdSJohn Fastabend /* knode values */ 679a1b7c5fdSJohn Fastabend enum tc_clsu32_command command; 680a1b7c5fdSJohn Fastabend union { 681a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode knode; 682a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode hnode; 683a1b7c5fdSJohn Fastabend }; 684a1b7c5fdSJohn Fastabend }; 685a1b7c5fdSJohn Fastabend 6867b06e8aeSJiri Pirko static inline bool tc_can_offload(const struct net_device *dev) 6876843e7a2SJohn Fastabend { 68870b5aee4SJiri Pirko return dev->features & NETIF_F_HW_TC; 6896843e7a2SJohn Fastabend } 6906843e7a2SJohn Fastabend 691f9eda14fSQuentin Monnet static inline bool tc_can_offload_extack(const struct net_device *dev, 692f9eda14fSQuentin Monnet struct netlink_ext_ack *extack) 693f9eda14fSQuentin Monnet { 694f9eda14fSQuentin Monnet bool can = tc_can_offload(dev); 695f9eda14fSQuentin Monnet 696f9eda14fSQuentin Monnet if (!can) 697f9eda14fSQuentin Monnet NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); 698f9eda14fSQuentin Monnet 699f9eda14fSQuentin Monnet return can; 700f9eda14fSQuentin Monnet } 701f9eda14fSQuentin Monnet 702878db9f0SJakub Kicinski static inline bool 703878db9f0SJakub Kicinski tc_cls_can_offload_and_chain0(const struct net_device *dev, 704878db9f0SJakub Kicinski struct tc_cls_common_offload *common) 705878db9f0SJakub Kicinski { 706878db9f0SJakub Kicinski if (!tc_can_offload_extack(dev, common->extack)) 707878db9f0SJakub Kicinski return false; 708878db9f0SJakub Kicinski if (common->chain_index) { 709878db9f0SJakub Kicinski NL_SET_ERR_MSG(common->extack, 710878db9f0SJakub Kicinski "Driver supports only offload of chain 0"); 711878db9f0SJakub Kicinski return false; 712878db9f0SJakub Kicinski } 713878db9f0SJakub Kicinski return true; 714878db9f0SJakub Kicinski } 715878db9f0SJakub Kicinski 71655330f05SHadar Hen Zion static inline bool tc_skip_hw(u32 flags) 71755330f05SHadar Hen Zion { 71855330f05SHadar Hen Zion return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; 71955330f05SHadar Hen Zion } 72055330f05SHadar Hen Zion 721d34e3e18SSamudrala, Sridhar static inline bool tc_skip_sw(u32 flags) 722d34e3e18SSamudrala, Sridhar { 723d34e3e18SSamudrala, Sridhar return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; 724d34e3e18SSamudrala, Sridhar } 725d34e3e18SSamudrala, Sridhar 726d34e3e18SSamudrala, Sridhar /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ 727d34e3e18SSamudrala, Sridhar static inline bool tc_flags_valid(u32 flags) 728d34e3e18SSamudrala, Sridhar { 72981c7288bSMarcelo Ricardo Leitner if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | 73081c7288bSMarcelo Ricardo Leitner TCA_CLS_FLAGS_VERBOSE)) 731d34e3e18SSamudrala, Sridhar return false; 732d34e3e18SSamudrala, Sridhar 73381c7288bSMarcelo Ricardo Leitner flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; 734d34e3e18SSamudrala, Sridhar if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) 735d34e3e18SSamudrala, Sridhar return false; 736d34e3e18SSamudrala, Sridhar 737d34e3e18SSamudrala, Sridhar return true; 738d34e3e18SSamudrala, Sridhar } 739d34e3e18SSamudrala, Sridhar 740e696028aSOr Gerlitz static inline bool tc_in_hw(u32 flags) 741e696028aSOr Gerlitz { 742e696028aSOr Gerlitz return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; 743e696028aSOr Gerlitz } 744e696028aSOr Gerlitz 74534832e1cSJakub Kicinski static inline void 74634832e1cSJakub Kicinski tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common, 74734832e1cSJakub Kicinski const struct tcf_proto *tp, u32 flags, 74834832e1cSJakub Kicinski struct netlink_ext_ack *extack) 74934832e1cSJakub Kicinski { 75034832e1cSJakub Kicinski cls_common->chain_index = tp->chain->index; 75134832e1cSJakub Kicinski cls_common->protocol = tp->protocol; 75234832e1cSJakub Kicinski cls_common->prio = tp->prio; 75381c7288bSMarcelo Ricardo Leitner if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) 75434832e1cSJakub Kicinski cls_common->extack = extack; 75534832e1cSJakub Kicinski } 75634832e1cSJakub Kicinski 7575b33f488SAmir Vadai enum tc_fl_command { 7585b33f488SAmir Vadai TC_CLSFLOWER_REPLACE, 7595b33f488SAmir Vadai TC_CLSFLOWER_DESTROY, 76010cbc684SAmir Vadai TC_CLSFLOWER_STATS, 76134738452SJiri Pirko TC_CLSFLOWER_TMPLT_CREATE, 76234738452SJiri Pirko TC_CLSFLOWER_TMPLT_DESTROY, 7635b33f488SAmir Vadai }; 7645b33f488SAmir Vadai 7655b33f488SAmir Vadai struct tc_cls_flower_offload { 7665fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 7675b33f488SAmir Vadai enum tc_fl_command command; 7688208d21bSAmir Vadai unsigned long cookie; 7698f256622SPablo Neira Ayuso struct flow_rule *rule; 7703b1903efSPablo Neira Ayuso struct flow_stats stats; 771384c181eSAmritha Nambiar u32 classid; 7725b33f488SAmir Vadai }; 7735b33f488SAmir Vadai 7748f256622SPablo Neira Ayuso static inline struct flow_rule * 7758f256622SPablo Neira Ayuso tc_cls_flower_offload_flow_rule(struct tc_cls_flower_offload *tc_flow_cmd) 7768f256622SPablo Neira Ayuso { 7778f256622SPablo Neira Ayuso return tc_flow_cmd->rule; 7788f256622SPablo Neira Ayuso } 7798f256622SPablo Neira Ayuso 780b87f7936SYotam Gigi enum tc_matchall_command { 781b87f7936SYotam Gigi TC_CLSMATCHALL_REPLACE, 782b87f7936SYotam Gigi TC_CLSMATCHALL_DESTROY, 783b87f7936SYotam Gigi }; 784b87f7936SYotam Gigi 785b87f7936SYotam Gigi struct tc_cls_matchall_offload { 7865fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 787b87f7936SYotam Gigi enum tc_matchall_command command; 788b87f7936SYotam Gigi struct tcf_exts *exts; 789b87f7936SYotam Gigi unsigned long cookie; 790b87f7936SYotam Gigi }; 791b87f7936SYotam Gigi 792332ae8e2SJakub Kicinski enum tc_clsbpf_command { 793102740bdSJakub Kicinski TC_CLSBPF_OFFLOAD, 79468d64063SJakub Kicinski TC_CLSBPF_STATS, 795332ae8e2SJakub Kicinski }; 796332ae8e2SJakub Kicinski 797332ae8e2SJakub Kicinski struct tc_cls_bpf_offload { 7985fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 799332ae8e2SJakub Kicinski enum tc_clsbpf_command command; 800332ae8e2SJakub Kicinski struct tcf_exts *exts; 801332ae8e2SJakub Kicinski struct bpf_prog *prog; 802102740bdSJakub Kicinski struct bpf_prog *oldprog; 803332ae8e2SJakub Kicinski const char *name; 804332ae8e2SJakub Kicinski bool exts_integrated; 805332ae8e2SJakub Kicinski }; 806332ae8e2SJakub Kicinski 8074e8b86c0SAmritha Nambiar struct tc_mqprio_qopt_offload { 8084e8b86c0SAmritha Nambiar /* struct tc_mqprio_qopt must always be the first element */ 8094e8b86c0SAmritha Nambiar struct tc_mqprio_qopt qopt; 8104e8b86c0SAmritha Nambiar u16 mode; 8114e8b86c0SAmritha Nambiar u16 shaper; 8124e8b86c0SAmritha Nambiar u32 flags; 8134e8b86c0SAmritha Nambiar u64 min_rate[TC_QOPT_MAX_QUEUE]; 8144e8b86c0SAmritha Nambiar u64 max_rate[TC_QOPT_MAX_QUEUE]; 8154e8b86c0SAmritha Nambiar }; 8161045ba77SJamal Hadi Salim 8171045ba77SJamal Hadi Salim /* This structure holds cookie structure that is passed from user 8181045ba77SJamal Hadi Salim * to the kernel for actions and classifiers 8191045ba77SJamal Hadi Salim */ 8201045ba77SJamal Hadi Salim struct tc_cookie { 8211045ba77SJamal Hadi Salim u8 *data; 8221045ba77SJamal Hadi Salim u32 len; 823eec94fdbSVlad Buslov struct rcu_head rcu; 8241045ba77SJamal Hadi Salim }; 825602f3bafSNogah Frankel 826f34b4aacSNogah Frankel struct tc_qopt_offload_stats { 827f34b4aacSNogah Frankel struct gnet_stats_basic_packed *bstats; 828f34b4aacSNogah Frankel struct gnet_stats_queue *qstats; 829f34b4aacSNogah Frankel }; 830f34b4aacSNogah Frankel 831f971b132SJakub Kicinski enum tc_mq_command { 832f971b132SJakub Kicinski TC_MQ_CREATE, 833f971b132SJakub Kicinski TC_MQ_DESTROY, 83447c669a4SJakub Kicinski TC_MQ_STATS, 835d577a3d2SJakub Kicinski TC_MQ_GRAFT, 836d577a3d2SJakub Kicinski }; 837d577a3d2SJakub Kicinski 838d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params { 839d577a3d2SJakub Kicinski unsigned long queue; 840d577a3d2SJakub Kicinski u32 child_handle; 841f971b132SJakub Kicinski }; 842f971b132SJakub Kicinski 843f971b132SJakub Kicinski struct tc_mq_qopt_offload { 844f971b132SJakub Kicinski enum tc_mq_command command; 845f971b132SJakub Kicinski u32 handle; 846d577a3d2SJakub Kicinski union { 84747c669a4SJakub Kicinski struct tc_qopt_offload_stats stats; 848d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params graft_params; 849d577a3d2SJakub Kicinski }; 850f971b132SJakub Kicinski }; 851f971b132SJakub Kicinski 852602f3bafSNogah Frankel enum tc_red_command { 853602f3bafSNogah Frankel TC_RED_REPLACE, 854602f3bafSNogah Frankel TC_RED_DESTROY, 855602f3bafSNogah Frankel TC_RED_STATS, 856602f3bafSNogah Frankel TC_RED_XSTATS, 857bf2a752bSJakub Kicinski TC_RED_GRAFT, 858602f3bafSNogah Frankel }; 859602f3bafSNogah Frankel 860602f3bafSNogah Frankel struct tc_red_qopt_offload_params { 861602f3bafSNogah Frankel u32 min; 862602f3bafSNogah Frankel u32 max; 863602f3bafSNogah Frankel u32 probability; 864c0b7490bSJakub Kicinski u32 limit; 865602f3bafSNogah Frankel bool is_ecn; 866190852a5SJakub Kicinski bool is_harddrop; 867416ef9b1SJakub Kicinski struct gnet_stats_queue *qstats; 868602f3bafSNogah Frankel }; 869602f3bafSNogah Frankel 870602f3bafSNogah Frankel struct tc_red_qopt_offload { 871602f3bafSNogah Frankel enum tc_red_command command; 872602f3bafSNogah Frankel u32 handle; 873602f3bafSNogah Frankel u32 parent; 874602f3bafSNogah Frankel union { 875602f3bafSNogah Frankel struct tc_red_qopt_offload_params set; 876f34b4aacSNogah Frankel struct tc_qopt_offload_stats stats; 877602f3bafSNogah Frankel struct red_stats *xstats; 878bf2a752bSJakub Kicinski u32 child_handle; 879602f3bafSNogah Frankel }; 880602f3bafSNogah Frankel }; 881602f3bafSNogah Frankel 882890d8d23SJakub Kicinski enum tc_gred_command { 883890d8d23SJakub Kicinski TC_GRED_REPLACE, 884890d8d23SJakub Kicinski TC_GRED_DESTROY, 885e49efd52SJakub Kicinski TC_GRED_STATS, 886890d8d23SJakub Kicinski }; 887890d8d23SJakub Kicinski 888890d8d23SJakub Kicinski struct tc_gred_vq_qopt_offload_params { 889890d8d23SJakub Kicinski bool present; 890890d8d23SJakub Kicinski u32 limit; 891890d8d23SJakub Kicinski u32 prio; 892890d8d23SJakub Kicinski u32 min; 893890d8d23SJakub Kicinski u32 max; 894890d8d23SJakub Kicinski bool is_ecn; 895890d8d23SJakub Kicinski bool is_harddrop; 896890d8d23SJakub Kicinski u32 probability; 897890d8d23SJakub Kicinski /* Only need backlog, see struct tc_prio_qopt_offload_params */ 898890d8d23SJakub Kicinski u32 *backlog; 899890d8d23SJakub Kicinski }; 900890d8d23SJakub Kicinski 901890d8d23SJakub Kicinski struct tc_gred_qopt_offload_params { 902890d8d23SJakub Kicinski bool grio_on; 903890d8d23SJakub Kicinski bool wred_on; 904890d8d23SJakub Kicinski unsigned int dp_cnt; 905890d8d23SJakub Kicinski unsigned int dp_def; 906890d8d23SJakub Kicinski struct gnet_stats_queue *qstats; 907890d8d23SJakub Kicinski struct tc_gred_vq_qopt_offload_params tab[MAX_DPs]; 908890d8d23SJakub Kicinski }; 909890d8d23SJakub Kicinski 910e49efd52SJakub Kicinski struct tc_gred_qopt_offload_stats { 911e49efd52SJakub Kicinski struct gnet_stats_basic_packed bstats[MAX_DPs]; 912e49efd52SJakub Kicinski struct gnet_stats_queue qstats[MAX_DPs]; 913e49efd52SJakub Kicinski struct red_stats *xstats[MAX_DPs]; 914e49efd52SJakub Kicinski }; 915e49efd52SJakub Kicinski 916890d8d23SJakub Kicinski struct tc_gred_qopt_offload { 917890d8d23SJakub Kicinski enum tc_gred_command command; 918890d8d23SJakub Kicinski u32 handle; 919890d8d23SJakub Kicinski u32 parent; 920890d8d23SJakub Kicinski union { 921890d8d23SJakub Kicinski struct tc_gred_qopt_offload_params set; 922e49efd52SJakub Kicinski struct tc_gred_qopt_offload_stats stats; 923890d8d23SJakub Kicinski }; 924890d8d23SJakub Kicinski }; 925890d8d23SJakub Kicinski 9267fdb61b4SNogah Frankel enum tc_prio_command { 9277fdb61b4SNogah Frankel TC_PRIO_REPLACE, 9287fdb61b4SNogah Frankel TC_PRIO_DESTROY, 9297fdb61b4SNogah Frankel TC_PRIO_STATS, 930b9c7a7acSNogah Frankel TC_PRIO_GRAFT, 9317fdb61b4SNogah Frankel }; 9327fdb61b4SNogah Frankel 9337fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params { 9347fdb61b4SNogah Frankel int bands; 9357fdb61b4SNogah Frankel u8 priomap[TC_PRIO_MAX + 1]; 9367fdb61b4SNogah Frankel /* In case that a prio qdisc is offloaded and now is changed to a 9377fdb61b4SNogah Frankel * non-offloadedable config, it needs to update the backlog & qlen 9387fdb61b4SNogah Frankel * values to negate the HW backlog & qlen values (and only them). 9397fdb61b4SNogah Frankel */ 9407fdb61b4SNogah Frankel struct gnet_stats_queue *qstats; 9417fdb61b4SNogah Frankel }; 9427fdb61b4SNogah Frankel 943b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params { 944b9c7a7acSNogah Frankel u8 band; 945b9c7a7acSNogah Frankel u32 child_handle; 946b9c7a7acSNogah Frankel }; 947b9c7a7acSNogah Frankel 9487fdb61b4SNogah Frankel struct tc_prio_qopt_offload { 9497fdb61b4SNogah Frankel enum tc_prio_command command; 9507fdb61b4SNogah Frankel u32 handle; 9517fdb61b4SNogah Frankel u32 parent; 9527fdb61b4SNogah Frankel union { 9537fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params replace_params; 9547fdb61b4SNogah Frankel struct tc_qopt_offload_stats stats; 955b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params graft_params; 9567fdb61b4SNogah Frankel }; 9577fdb61b4SNogah Frankel }; 958b9c7a7acSNogah Frankel 95998b0e5f6SJakub Kicinski enum tc_root_command { 96098b0e5f6SJakub Kicinski TC_ROOT_GRAFT, 96198b0e5f6SJakub Kicinski }; 96298b0e5f6SJakub Kicinski 96398b0e5f6SJakub Kicinski struct tc_root_qopt_offload { 96498b0e5f6SJakub Kicinski enum tc_root_command command; 96598b0e5f6SJakub Kicinski u32 handle; 96698b0e5f6SJakub Kicinski bool ingress; 96798b0e5f6SJakub Kicinski }; 96898b0e5f6SJakub Kicinski 9691da177e4SLinus Torvalds #endif 970