1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef __NET_PKT_CLS_H 31da177e4SLinus Torvalds #define __NET_PKT_CLS_H 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds #include <linux/pkt_cls.h> 67aa0045dSCong Wang #include <linux/workqueue.h> 71da177e4SLinus Torvalds #include <net/sch_generic.h> 81da177e4SLinus Torvalds #include <net/act_api.h> 91da177e4SLinus Torvalds 10cd11b164SPaolo Abeni /* TC action not accessible from user space */ 11cd11b164SPaolo Abeni #define TC_ACT_REINSERT (TC_ACT_VALUE_MAX + 1) 12cd11b164SPaolo Abeni 131da177e4SLinus Torvalds /* Basic packet classifier frontend definitions. */ 141da177e4SLinus Torvalds 15fd2c3ef7SEric Dumazet struct tcf_walker { 161da177e4SLinus Torvalds int stop; 171da177e4SLinus Torvalds int skip; 181da177e4SLinus Torvalds int count; 1901683a14SVlad Buslov unsigned long cookie; 208113c095SWANG Cong int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *); 211da177e4SLinus Torvalds }; 221da177e4SLinus Torvalds 235c15257fSJoe Perches int register_tcf_proto_ops(struct tcf_proto_ops *ops); 245c15257fSJoe Perches int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); 251da177e4SLinus Torvalds 268c4083b3SJiri Pirko enum tcf_block_binder_type { 278c4083b3SJiri Pirko TCF_BLOCK_BINDER_TYPE_UNSPEC, 286e40cf2dSJiri Pirko TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS, 296e40cf2dSJiri Pirko TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS, 308c4083b3SJiri Pirko }; 318c4083b3SJiri Pirko 328c4083b3SJiri Pirko struct tcf_block_ext_info { 338c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 34c7eb7d72SJiri Pirko tcf_chain_head_change_t *chain_head_change; 35c7eb7d72SJiri Pirko void *chain_head_change_priv; 3648617387SJiri Pirko u32 block_index; 378c4083b3SJiri Pirko }; 388c4083b3SJiri Pirko 39acb67442SJiri Pirko struct tcf_block_cb; 40aaa908ffSCong Wang bool tcf_queue_work(struct rcu_work *rwork, work_func_t func); 41acb67442SJiri Pirko 428ae70032SJiri Pirko #ifdef CONFIG_NET_CLS 431f3ed383SJiri Pirko struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block, 441f3ed383SJiri Pirko u32 chain_index); 451f3ed383SJiri Pirko void tcf_chain_put_by_act(struct tcf_chain *chain); 46f36fe1c4SJiri Pirko void tcf_block_netif_keep_dst(struct tcf_block *block); 476529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 488d1a77f9SAlexander Aring struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 498d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 50c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 518d1a77f9SAlexander Aring struct tcf_block_ext_info *ei, 528d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 536529eabaSJiri Pirko void tcf_block_put(struct tcf_block *block); 54c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 558c4083b3SJiri Pirko struct tcf_block_ext_info *ei); 5644186460SJiri Pirko 5748617387SJiri Pirko static inline bool tcf_block_shared(struct tcf_block *block) 5848617387SJiri Pirko { 5948617387SJiri Pirko return block->index; 6048617387SJiri Pirko } 6148617387SJiri Pirko 6244186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 6344186460SJiri Pirko { 6448617387SJiri Pirko WARN_ON(tcf_block_shared(block)); 6544186460SJiri Pirko return block->q; 6644186460SJiri Pirko } 6744186460SJiri Pirko 68acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb); 69acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 70acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 71acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb); 72acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb); 73acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 74acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 7560513bd8SJohn Hurley void *cb_priv, 7660513bd8SJohn Hurley struct netlink_ext_ack *extack); 77acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 78acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 7960513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack); 8032636742SJohn Hurley void __tcf_block_cb_unregister(struct tcf_block *block, 8132636742SJohn Hurley struct tcf_block_cb *block_cb); 82acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 83acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident); 847f76fa36SJohn Hurley int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 857f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 867f76fa36SJohn Hurley int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 877f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 887f76fa36SJohn Hurley void __tc_indr_block_cb_unregister(struct net_device *dev, 897f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 907f76fa36SJohn Hurley void tc_indr_block_cb_unregister(struct net_device *dev, 917f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident); 92acb67442SJiri Pirko 9387d83093SJiri Pirko int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 9487d83093SJiri Pirko struct tcf_result *res, bool compat_mode); 9587d83093SJiri Pirko 968ae70032SJiri Pirko #else 976529eabaSJiri Pirko static inline 986529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 993c149091SSudip Mukherjee struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 1003c149091SSudip Mukherjee struct netlink_ext_ack *extack) 1016529eabaSJiri Pirko { 1026529eabaSJiri Pirko return 0; 1036529eabaSJiri Pirko } 1046529eabaSJiri Pirko 1058c4083b3SJiri Pirko static inline 106c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 10733c30a8bSQuentin Monnet struct tcf_block_ext_info *ei, 10833c30a8bSQuentin Monnet struct netlink_ext_ack *extack) 1098c4083b3SJiri Pirko { 1108c4083b3SJiri Pirko return 0; 1118c4083b3SJiri Pirko } 1128c4083b3SJiri Pirko 1136529eabaSJiri Pirko static inline void tcf_block_put(struct tcf_block *block) 1148ae70032SJiri Pirko { 1158ae70032SJiri Pirko } 11687d83093SJiri Pirko 1178c4083b3SJiri Pirko static inline 118c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 1198c4083b3SJiri Pirko struct tcf_block_ext_info *ei) 1208c4083b3SJiri Pirko { 1218c4083b3SJiri Pirko } 1228c4083b3SJiri Pirko 12344186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 12444186460SJiri Pirko { 12544186460SJiri Pirko return NULL; 12644186460SJiri Pirko } 12744186460SJiri Pirko 128acb67442SJiri Pirko static inline 129acb67442SJiri Pirko int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb, 130acb67442SJiri Pirko void *cb_priv) 131acb67442SJiri Pirko { 132acb67442SJiri Pirko return 0; 133acb67442SJiri Pirko } 134acb67442SJiri Pirko 135acb67442SJiri Pirko static inline 136acb67442SJiri Pirko void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb, 137acb67442SJiri Pirko void *cb_priv) 138acb67442SJiri Pirko { 139acb67442SJiri Pirko } 140acb67442SJiri Pirko 141acb67442SJiri Pirko static inline 142acb67442SJiri Pirko void *tcf_block_cb_priv(struct tcf_block_cb *block_cb) 143acb67442SJiri Pirko { 144acb67442SJiri Pirko return NULL; 145acb67442SJiri Pirko } 146acb67442SJiri Pirko 147acb67442SJiri Pirko static inline 148acb67442SJiri Pirko struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block, 149acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 150acb67442SJiri Pirko { 151acb67442SJiri Pirko return NULL; 152acb67442SJiri Pirko } 153acb67442SJiri Pirko 154acb67442SJiri Pirko static inline 155acb67442SJiri Pirko void tcf_block_cb_incref(struct tcf_block_cb *block_cb) 156acb67442SJiri Pirko { 157acb67442SJiri Pirko } 158acb67442SJiri Pirko 159acb67442SJiri Pirko static inline 160acb67442SJiri Pirko unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb) 161acb67442SJiri Pirko { 162acb67442SJiri Pirko return 0; 163acb67442SJiri Pirko } 164acb67442SJiri Pirko 165acb67442SJiri Pirko static inline 166acb67442SJiri Pirko struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block, 167acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 16860513bd8SJohn Hurley void *cb_priv, 16960513bd8SJohn Hurley struct netlink_ext_ack *extack) 170acb67442SJiri Pirko { 171acb67442SJiri Pirko return NULL; 172acb67442SJiri Pirko } 173acb67442SJiri Pirko 174acb67442SJiri Pirko static inline 175acb67442SJiri Pirko int tcf_block_cb_register(struct tcf_block *block, 176acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident, 17760513bd8SJohn Hurley void *cb_priv, struct netlink_ext_ack *extack) 178acb67442SJiri Pirko { 179acb67442SJiri Pirko return 0; 180acb67442SJiri Pirko } 181acb67442SJiri Pirko 182acb67442SJiri Pirko static inline 18332636742SJohn Hurley void __tcf_block_cb_unregister(struct tcf_block *block, 18432636742SJohn Hurley struct tcf_block_cb *block_cb) 185acb67442SJiri Pirko { 186acb67442SJiri Pirko } 187acb67442SJiri Pirko 188acb67442SJiri Pirko static inline 189acb67442SJiri Pirko void tcf_block_cb_unregister(struct tcf_block *block, 190acb67442SJiri Pirko tc_setup_cb_t *cb, void *cb_ident) 191acb67442SJiri Pirko { 192acb67442SJiri Pirko } 193acb67442SJiri Pirko 1947f76fa36SJohn Hurley static inline 1957f76fa36SJohn Hurley int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 1967f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 1977f76fa36SJohn Hurley { 1987f76fa36SJohn Hurley return 0; 1997f76fa36SJohn Hurley } 2007f76fa36SJohn Hurley 2017f76fa36SJohn Hurley static inline 2027f76fa36SJohn Hurley int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv, 2037f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2047f76fa36SJohn Hurley { 2057f76fa36SJohn Hurley return 0; 2067f76fa36SJohn Hurley } 2077f76fa36SJohn Hurley 2087f76fa36SJohn Hurley static inline 2097f76fa36SJohn Hurley void __tc_indr_block_cb_unregister(struct net_device *dev, 2107f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2117f76fa36SJohn Hurley { 2127f76fa36SJohn Hurley } 2137f76fa36SJohn Hurley 2147f76fa36SJohn Hurley static inline 2157f76fa36SJohn Hurley void tc_indr_block_cb_unregister(struct net_device *dev, 2167f76fa36SJohn Hurley tc_indr_block_bind_cb_t *cb, void *cb_ident) 2177f76fa36SJohn Hurley { 2187f76fa36SJohn Hurley } 2197f76fa36SJohn Hurley 22087d83093SJiri Pirko static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 22187d83093SJiri Pirko struct tcf_result *res, bool compat_mode) 22287d83093SJiri Pirko { 22387d83093SJiri Pirko return TC_ACT_UNSPEC; 22487d83093SJiri Pirko } 2258ae70032SJiri Pirko #endif 226cf1facdaSJiri Pirko 2271da177e4SLinus Torvalds static inline unsigned long 2281da177e4SLinus Torvalds __cls_set_class(unsigned long *clp, unsigned long cl) 2291da177e4SLinus Torvalds { 230a0efb80cSWANG Cong return xchg(clp, cl); 2311da177e4SLinus Torvalds } 2321da177e4SLinus Torvalds 2331da177e4SLinus Torvalds static inline unsigned long 23434e3759cSJiri Pirko cls_set_class(struct Qdisc *q, unsigned long *clp, unsigned long cl) 2351da177e4SLinus Torvalds { 2361da177e4SLinus Torvalds unsigned long old_cl; 2371da177e4SLinus Torvalds 23834e3759cSJiri Pirko sch_tree_lock(q); 2391da177e4SLinus Torvalds old_cl = __cls_set_class(clp, cl); 24034e3759cSJiri Pirko sch_tree_unlock(q); 2411da177e4SLinus Torvalds return old_cl; 2421da177e4SLinus Torvalds } 2431da177e4SLinus Torvalds 2441da177e4SLinus Torvalds static inline void 2451da177e4SLinus Torvalds tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) 2461da177e4SLinus Torvalds { 24734e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2481da177e4SLinus Torvalds unsigned long cl; 2491da177e4SLinus Torvalds 25034e3759cSJiri Pirko /* Check q as it is not set for shared blocks. In that case, 25134e3759cSJiri Pirko * setting class is not supported. 25234e3759cSJiri Pirko */ 25334e3759cSJiri Pirko if (!q) 25434e3759cSJiri Pirko return; 25534e3759cSJiri Pirko cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); 25634e3759cSJiri Pirko cl = cls_set_class(q, &r->class, cl); 2571da177e4SLinus Torvalds if (cl) 25834e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2591da177e4SLinus Torvalds } 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds static inline void 2621da177e4SLinus Torvalds tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) 2631da177e4SLinus Torvalds { 26434e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2651da177e4SLinus Torvalds unsigned long cl; 2661da177e4SLinus Torvalds 26734e3759cSJiri Pirko if (!q) 26834e3759cSJiri Pirko return; 2691da177e4SLinus Torvalds if ((cl = __cls_set_class(&r->class, 0)) != 0) 27034e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 2711da177e4SLinus Torvalds } 2721da177e4SLinus Torvalds 273fd2c3ef7SEric Dumazet struct tcf_exts { 2741da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_ACT 27533be6271SWANG Cong __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 27622dc13c8SWANG Cong int nr_actions; 27722dc13c8SWANG Cong struct tc_action **actions; 278e4b95c41SCong Wang struct net *net; 2791da177e4SLinus Torvalds #endif 2801da177e4SLinus Torvalds /* Map to export classifier specific extension TLV types to the 2811da177e4SLinus Torvalds * generic extensions API. Unsupported extensions must be set to 0. 2821da177e4SLinus Torvalds */ 2831da177e4SLinus Torvalds int action; 2841da177e4SLinus Torvalds int police; 2851da177e4SLinus Torvalds }; 2861da177e4SLinus Torvalds 287b9a24bb7SWANG Cong static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police) 28833be6271SWANG Cong { 28933be6271SWANG Cong #ifdef CONFIG_NET_CLS_ACT 2905da57f42SWANG Cong exts->type = 0; 29122dc13c8SWANG Cong exts->nr_actions = 0; 292e4b95c41SCong Wang exts->net = NULL; 29322dc13c8SWANG Cong exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), 29422dc13c8SWANG Cong GFP_KERNEL); 295b9a24bb7SWANG Cong if (!exts->actions) 296b9a24bb7SWANG Cong return -ENOMEM; 29733be6271SWANG Cong #endif 2985da57f42SWANG Cong exts->action = action; 2995da57f42SWANG Cong exts->police = police; 300b9a24bb7SWANG Cong return 0; 30133be6271SWANG Cong } 30233be6271SWANG Cong 303e4b95c41SCong Wang /* Return false if the netns is being destroyed in cleanup_net(). Callers 304e4b95c41SCong Wang * need to do cleanup synchronously in this case, otherwise may race with 305e4b95c41SCong Wang * tc_action_net_exit(). Return true for other cases. 306e4b95c41SCong Wang */ 307e4b95c41SCong Wang static inline bool tcf_exts_get_net(struct tcf_exts *exts) 308e4b95c41SCong Wang { 309e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 310e4b95c41SCong Wang exts->net = maybe_get_net(exts->net); 311e4b95c41SCong Wang return exts->net != NULL; 312e4b95c41SCong Wang #else 313e4b95c41SCong Wang return true; 314e4b95c41SCong Wang #endif 315e4b95c41SCong Wang } 316e4b95c41SCong Wang 317e4b95c41SCong Wang static inline void tcf_exts_put_net(struct tcf_exts *exts) 318e4b95c41SCong Wang { 319e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 320e4b95c41SCong Wang if (exts->net) 321e4b95c41SCong Wang put_net(exts->net); 322e4b95c41SCong Wang #endif 323e4b95c41SCong Wang } 324e4b95c41SCong Wang 32522dc13c8SWANG Cong #ifdef CONFIG_NET_CLS_ACT 326244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 327244cd96aSCong Wang for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++) 328244cd96aSCong Wang #else 329244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 330191672caSArnd Bergmann for (; 0; (void)(i), (void)(a), (void)(exts)) 33122dc13c8SWANG Cong #endif 33222dc13c8SWANG Cong 333d897a638SJakub Kicinski static inline void 334d897a638SJakub Kicinski tcf_exts_stats_update(const struct tcf_exts *exts, 335d897a638SJakub Kicinski u64 bytes, u64 packets, u64 lastuse) 336d897a638SJakub Kicinski { 337d897a638SJakub Kicinski #ifdef CONFIG_NET_CLS_ACT 338d897a638SJakub Kicinski int i; 339d897a638SJakub Kicinski 340d897a638SJakub Kicinski preempt_disable(); 341d897a638SJakub Kicinski 342d897a638SJakub Kicinski for (i = 0; i < exts->nr_actions; i++) { 343d897a638SJakub Kicinski struct tc_action *a = exts->actions[i]; 344d897a638SJakub Kicinski 34528169abaSEelco Chaudron tcf_action_stats_update(a, bytes, packets, lastuse, true); 346d897a638SJakub Kicinski } 347d897a638SJakub Kicinski 348d897a638SJakub Kicinski preempt_enable(); 349d897a638SJakub Kicinski #endif 350d897a638SJakub Kicinski } 351d897a638SJakub Kicinski 3521da177e4SLinus Torvalds /** 3533bcc0cecSJiri Pirko * tcf_exts_has_actions - check if at least one action is present 3543bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3553bcc0cecSJiri Pirko * 3563bcc0cecSJiri Pirko * Returns true if at least one action is present. 3573bcc0cecSJiri Pirko */ 3583bcc0cecSJiri Pirko static inline bool tcf_exts_has_actions(struct tcf_exts *exts) 3593bcc0cecSJiri Pirko { 3602734437eSWANG Cong #ifdef CONFIG_NET_CLS_ACT 3613bcc0cecSJiri Pirko return exts->nr_actions; 3623bcc0cecSJiri Pirko #else 3633bcc0cecSJiri Pirko return false; 3643bcc0cecSJiri Pirko #endif 3653bcc0cecSJiri Pirko } 3662734437eSWANG Cong 3673bcc0cecSJiri Pirko /** 3683bcc0cecSJiri Pirko * tcf_exts_has_one_action - check if exactly one action is present 3693bcc0cecSJiri Pirko * @exts: tc filter extensions handle 3703bcc0cecSJiri Pirko * 3713bcc0cecSJiri Pirko * Returns true if exactly one action is present. 3723bcc0cecSJiri Pirko */ 3733bcc0cecSJiri Pirko static inline bool tcf_exts_has_one_action(struct tcf_exts *exts) 3743bcc0cecSJiri Pirko { 3753bcc0cecSJiri Pirko #ifdef CONFIG_NET_CLS_ACT 3763bcc0cecSJiri Pirko return exts->nr_actions == 1; 3773bcc0cecSJiri Pirko #else 3783bcc0cecSJiri Pirko return false; 3793bcc0cecSJiri Pirko #endif 3803bcc0cecSJiri Pirko } 3812734437eSWANG Cong 382244cd96aSCong Wang static inline struct tc_action *tcf_exts_first_action(struct tcf_exts *exts) 383244cd96aSCong Wang { 384244cd96aSCong Wang #ifdef CONFIG_NET_CLS_ACT 385244cd96aSCong Wang return exts->actions[0]; 386244cd96aSCong Wang #else 387244cd96aSCong Wang return NULL; 388244cd96aSCong Wang #endif 389244cd96aSCong Wang } 390244cd96aSCong Wang 391af69afc5SJiri Pirko /** 392af69afc5SJiri Pirko * tcf_exts_exec - execute tc filter extensions 393af69afc5SJiri Pirko * @skb: socket buffer 394af69afc5SJiri Pirko * @exts: tc filter extensions handle 395af69afc5SJiri Pirko * @res: desired result 396af69afc5SJiri Pirko * 397af089e70SJiri Pirko * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, 398af69afc5SJiri Pirko * a negative number if the filter must be considered unmatched or 399af69afc5SJiri Pirko * a positive action code (TC_ACT_*) which must be returned to the 400af69afc5SJiri Pirko * underlying layer. 401af69afc5SJiri Pirko */ 402af69afc5SJiri Pirko static inline int 403af69afc5SJiri Pirko tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, 404af69afc5SJiri Pirko struct tcf_result *res) 405af69afc5SJiri Pirko { 406af69afc5SJiri Pirko #ifdef CONFIG_NET_CLS_ACT 407ec1a9ccaSJiri Pirko return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); 408af69afc5SJiri Pirko #endif 409af089e70SJiri Pirko return TC_ACT_OK; 410af69afc5SJiri Pirko } 411af69afc5SJiri Pirko 4125c15257fSJoe Perches int tcf_exts_validate(struct net *net, struct tcf_proto *tp, 413c1b52739SBenjamin LaHaise struct nlattr **tb, struct nlattr *rate_tlv, 41450a56190SAlexander Aring struct tcf_exts *exts, bool ovr, 41550a56190SAlexander Aring struct netlink_ext_ack *extack); 41618d0264fSWANG Cong void tcf_exts_destroy(struct tcf_exts *exts); 4179b0d4446SJiri Pirko void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); 4185da57f42SWANG Cong int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); 4195da57f42SWANG Cong int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds /** 4221da177e4SLinus Torvalds * struct tcf_pkt_info - packet information 4231da177e4SLinus Torvalds */ 424fd2c3ef7SEric Dumazet struct tcf_pkt_info { 4251da177e4SLinus Torvalds unsigned char * ptr; 4261da177e4SLinus Torvalds int nexthdr; 4271da177e4SLinus Torvalds }; 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds #ifdef CONFIG_NET_EMATCH 4301da177e4SLinus Torvalds 4311da177e4SLinus Torvalds struct tcf_ematch_ops; 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvalds /** 4341da177e4SLinus Torvalds * struct tcf_ematch - extended match (ematch) 4351da177e4SLinus Torvalds * 4361da177e4SLinus Torvalds * @matchid: identifier to allow userspace to reidentify a match 4371da177e4SLinus Torvalds * @flags: flags specifying attributes and the relation to other matches 4381da177e4SLinus Torvalds * @ops: the operations lookup table of the corresponding ematch module 4391da177e4SLinus Torvalds * @datalen: length of the ematch specific configuration data 4401da177e4SLinus Torvalds * @data: ematch specific data 4411da177e4SLinus Torvalds */ 442fd2c3ef7SEric Dumazet struct tcf_ematch { 4431da177e4SLinus Torvalds struct tcf_ematch_ops * ops; 4441da177e4SLinus Torvalds unsigned long data; 4451da177e4SLinus Torvalds unsigned int datalen; 4461da177e4SLinus Torvalds u16 matchid; 4471da177e4SLinus Torvalds u16 flags; 44882a470f1SJohn Fastabend struct net *net; 4491da177e4SLinus Torvalds }; 4501da177e4SLinus Torvalds 4511da177e4SLinus Torvalds static inline int tcf_em_is_container(struct tcf_ematch *em) 4521da177e4SLinus Torvalds { 4531da177e4SLinus Torvalds return !em->ops; 4541da177e4SLinus Torvalds } 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds static inline int tcf_em_is_simple(struct tcf_ematch *em) 4571da177e4SLinus Torvalds { 4581da177e4SLinus Torvalds return em->flags & TCF_EM_SIMPLE; 4591da177e4SLinus Torvalds } 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds static inline int tcf_em_is_inverted(struct tcf_ematch *em) 4621da177e4SLinus Torvalds { 4631da177e4SLinus Torvalds return em->flags & TCF_EM_INVERT; 4641da177e4SLinus Torvalds } 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds static inline int tcf_em_last_match(struct tcf_ematch *em) 4671da177e4SLinus Torvalds { 4681da177e4SLinus Torvalds return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds static inline int tcf_em_early_end(struct tcf_ematch *em, int result) 4721da177e4SLinus Torvalds { 4731da177e4SLinus Torvalds if (tcf_em_last_match(em)) 4741da177e4SLinus Torvalds return 1; 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds if (result == 0 && em->flags & TCF_EM_REL_AND) 4771da177e4SLinus Torvalds return 1; 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds if (result != 0 && em->flags & TCF_EM_REL_OR) 4801da177e4SLinus Torvalds return 1; 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds return 0; 4831da177e4SLinus Torvalds } 4841da177e4SLinus Torvalds 4851da177e4SLinus Torvalds /** 4861da177e4SLinus Torvalds * struct tcf_ematch_tree - ematch tree handle 4871da177e4SLinus Torvalds * 4881da177e4SLinus Torvalds * @hdr: ematch tree header supplied by userspace 4891da177e4SLinus Torvalds * @matches: array of ematches 4901da177e4SLinus Torvalds */ 491fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4921da177e4SLinus Torvalds struct tcf_ematch_tree_hdr hdr; 4931da177e4SLinus Torvalds struct tcf_ematch * matches; 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds }; 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds /** 4981da177e4SLinus Torvalds * struct tcf_ematch_ops - ematch module operations 4991da177e4SLinus Torvalds * 5001da177e4SLinus Torvalds * @kind: identifier (kind) of this ematch module 5011da177e4SLinus Torvalds * @datalen: length of expected configuration data (optional) 5021da177e4SLinus Torvalds * @change: called during validation (optional) 5031da177e4SLinus Torvalds * @match: called during ematch tree evaluation, must return 1/0 5041da177e4SLinus Torvalds * @destroy: called during destroyage (optional) 5051da177e4SLinus Torvalds * @dump: called during dumping process (optional) 5061da177e4SLinus Torvalds * @owner: owner, must be set to THIS_MODULE 5071da177e4SLinus Torvalds * @link: link to previous/next ematch module (internal use) 5081da177e4SLinus Torvalds */ 509fd2c3ef7SEric Dumazet struct tcf_ematch_ops { 5101da177e4SLinus Torvalds int kind; 5111da177e4SLinus Torvalds int datalen; 51282a470f1SJohn Fastabend int (*change)(struct net *net, void *, 5131da177e4SLinus Torvalds int, struct tcf_ematch *); 5141da177e4SLinus Torvalds int (*match)(struct sk_buff *, struct tcf_ematch *, 5151da177e4SLinus Torvalds struct tcf_pkt_info *); 51682a470f1SJohn Fastabend void (*destroy)(struct tcf_ematch *); 5171da177e4SLinus Torvalds int (*dump)(struct sk_buff *, struct tcf_ematch *); 5181da177e4SLinus Torvalds struct module *owner; 5191da177e4SLinus Torvalds struct list_head link; 5201da177e4SLinus Torvalds }; 5211da177e4SLinus Torvalds 5225c15257fSJoe Perches int tcf_em_register(struct tcf_ematch_ops *); 5235c15257fSJoe Perches void tcf_em_unregister(struct tcf_ematch_ops *); 5245c15257fSJoe Perches int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, 5251da177e4SLinus Torvalds struct tcf_ematch_tree *); 52682a470f1SJohn Fastabend void tcf_em_tree_destroy(struct tcf_ematch_tree *); 5275c15257fSJoe Perches int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); 5285c15257fSJoe Perches int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, 5291da177e4SLinus Torvalds struct tcf_pkt_info *); 5301da177e4SLinus Torvalds 5311da177e4SLinus Torvalds /** 5321da177e4SLinus Torvalds * tcf_em_tree_match - evaulate an ematch tree 5331da177e4SLinus Torvalds * 5341da177e4SLinus Torvalds * @skb: socket buffer of the packet in question 5351da177e4SLinus Torvalds * @tree: ematch tree to be used for evaluation 5361da177e4SLinus Torvalds * @info: packet information examined by classifier 5371da177e4SLinus Torvalds * 5381da177e4SLinus Torvalds * This function matches @skb against the ematch tree in @tree by going 5391da177e4SLinus Torvalds * through all ematches respecting their logic relations returning 5401da177e4SLinus Torvalds * as soon as the result is obvious. 5411da177e4SLinus Torvalds * 5421da177e4SLinus Torvalds * Returns 1 if the ematch tree as-one matches, no ematches are configured 5431da177e4SLinus Torvalds * or ematch is not enabled in the kernel, otherwise 0 is returned. 5441da177e4SLinus Torvalds */ 5451da177e4SLinus Torvalds static inline int tcf_em_tree_match(struct sk_buff *skb, 5461da177e4SLinus Torvalds struct tcf_ematch_tree *tree, 5471da177e4SLinus Torvalds struct tcf_pkt_info *info) 5481da177e4SLinus Torvalds { 5491da177e4SLinus Torvalds if (tree->hdr.nmatches) 5501da177e4SLinus Torvalds return __tcf_em_tree_match(skb, tree, info); 5511da177e4SLinus Torvalds else 5521da177e4SLinus Torvalds return 1; 5531da177e4SLinus Torvalds } 5541da177e4SLinus Torvalds 555db3d99c0SPatrick McHardy #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) 556db3d99c0SPatrick McHardy 5571da177e4SLinus Torvalds #else /* CONFIG_NET_EMATCH */ 5581da177e4SLinus Torvalds 559fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 5601da177e4SLinus Torvalds }; 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) 56382a470f1SJohn Fastabend #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) 5641da177e4SLinus Torvalds #define tcf_em_tree_dump(skb, t, tlv) (0) 5651da177e4SLinus Torvalds #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds #endif /* CONFIG_NET_EMATCH */ 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) 5701da177e4SLinus Torvalds { 5711da177e4SLinus Torvalds switch (layer) { 5721da177e4SLinus Torvalds case TCF_LAYER_LINK: 573d3303a65SWolfgang Bumiller return skb_mac_header(skb); 5741da177e4SLinus Torvalds case TCF_LAYER_NETWORK: 575d56f90a7SArnaldo Carvalho de Melo return skb_network_header(skb); 5761da177e4SLinus Torvalds case TCF_LAYER_TRANSPORT: 5779c70220bSArnaldo Carvalho de Melo return skb_transport_header(skb); 5781da177e4SLinus Torvalds } 5791da177e4SLinus Torvalds 5801da177e4SLinus Torvalds return NULL; 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds 583eddc9ec5SArnaldo Carvalho de Melo static inline int tcf_valid_offset(const struct sk_buff *skb, 584eddc9ec5SArnaldo Carvalho de Melo const unsigned char *ptr, const int len) 5851da177e4SLinus Torvalds { 586da521b2cSDavid S. Miller return likely((ptr + len) <= skb_tail_pointer(skb) && 587da521b2cSDavid S. Miller ptr >= skb->head && 588da521b2cSDavid S. Miller (ptr <= (ptr + len))); 5891da177e4SLinus Torvalds } 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_IND 5920eeb8ffcSDenis V. Lunev #include <net/net_namespace.h> 5930eeb8ffcSDenis V. Lunev 5941da177e4SLinus Torvalds static inline int 5951057c55fSAlexander Aring tcf_change_indev(struct net *net, struct nlattr *indev_tlv, 5961057c55fSAlexander Aring struct netlink_ext_ack *extack) 5971da177e4SLinus Torvalds { 5982519a602SWANG Cong char indev[IFNAMSIZ]; 599c01003c2SPatrick McHardy struct net_device *dev; 600c01003c2SPatrick McHardy 6011057c55fSAlexander Aring if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) { 6021057c55fSAlexander Aring NL_SET_ERR_MSG(extack, "Interface name too long"); 6032519a602SWANG Cong return -EINVAL; 6041057c55fSAlexander Aring } 6052519a602SWANG Cong dev = __dev_get_by_name(net, indev); 6062519a602SWANG Cong if (!dev) 6072519a602SWANG Cong return -ENODEV; 6082519a602SWANG Cong return dev->ifindex; 6091da177e4SLinus Torvalds } 6101da177e4SLinus Torvalds 6112519a602SWANG Cong static inline bool 6122519a602SWANG Cong tcf_match_indev(struct sk_buff *skb, int ifindex) 6132519a602SWANG Cong { 6142519a602SWANG Cong if (!ifindex) 6152519a602SWANG Cong return true; 6162519a602SWANG Cong if (!skb->skb_iif) 6172519a602SWANG Cong return false; 6182519a602SWANG Cong return ifindex == skb->skb_iif; 6191da177e4SLinus Torvalds } 6201da177e4SLinus Torvalds #endif /* CONFIG_NET_CLS_IND */ 6211da177e4SLinus Torvalds 622208c0f4bSJiri Pirko int tc_setup_cb_call(struct tcf_block *block, struct tcf_exts *exts, 623208c0f4bSJiri Pirko enum tc_setup_type type, void *type_data, bool err_stop); 624717503b9SJiri Pirko 6258c4083b3SJiri Pirko enum tc_block_command { 6268c4083b3SJiri Pirko TC_BLOCK_BIND, 6278c4083b3SJiri Pirko TC_BLOCK_UNBIND, 6288c4083b3SJiri Pirko }; 6298c4083b3SJiri Pirko 6308c4083b3SJiri Pirko struct tc_block_offload { 6318c4083b3SJiri Pirko enum tc_block_command command; 6328c4083b3SJiri Pirko enum tcf_block_binder_type binder_type; 6338c4083b3SJiri Pirko struct tcf_block *block; 63460513bd8SJohn Hurley struct netlink_ext_ack *extack; 6358c4083b3SJiri Pirko }; 6368c4083b3SJiri Pirko 6375fd9fc4eSJiri Pirko struct tc_cls_common_offload { 6385fd9fc4eSJiri Pirko u32 chain_index; 6395fd9fc4eSJiri Pirko __be16 protocol; 640d7c1c8d2SJiri Pirko u32 prio; 6418f0b425aSQuentin Monnet struct netlink_ext_ack *extack; 6425fd9fc4eSJiri Pirko }; 6435fd9fc4eSJiri Pirko 644a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode { 645a1b7c5fdSJohn Fastabend struct tcf_exts *exts; 646e014860eSJohn Fastabend struct tc_u32_sel *sel; 647a1b7c5fdSJohn Fastabend u32 handle; 648a1b7c5fdSJohn Fastabend u32 val; 649a1b7c5fdSJohn Fastabend u32 mask; 650a1b7c5fdSJohn Fastabend u32 link_handle; 651e014860eSJohn Fastabend u8 fshift; 652a1b7c5fdSJohn Fastabend }; 653a1b7c5fdSJohn Fastabend 654a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode { 655a1b7c5fdSJohn Fastabend u32 handle; 656a1b7c5fdSJohn Fastabend u32 prio; 657a1b7c5fdSJohn Fastabend unsigned int divisor; 658a1b7c5fdSJohn Fastabend }; 659a1b7c5fdSJohn Fastabend 660a1b7c5fdSJohn Fastabend enum tc_clsu32_command { 661a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_KNODE, 662a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_KNODE, 663a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_KNODE, 664a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_HNODE, 665a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_HNODE, 666a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_HNODE, 667a1b7c5fdSJohn Fastabend }; 668a1b7c5fdSJohn Fastabend 669a1b7c5fdSJohn Fastabend struct tc_cls_u32_offload { 6705fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 671a1b7c5fdSJohn Fastabend /* knode values */ 672a1b7c5fdSJohn Fastabend enum tc_clsu32_command command; 673a1b7c5fdSJohn Fastabend union { 674a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode knode; 675a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode hnode; 676a1b7c5fdSJohn Fastabend }; 677a1b7c5fdSJohn Fastabend }; 678a1b7c5fdSJohn Fastabend 6797b06e8aeSJiri Pirko static inline bool tc_can_offload(const struct net_device *dev) 6806843e7a2SJohn Fastabend { 68170b5aee4SJiri Pirko return dev->features & NETIF_F_HW_TC; 6826843e7a2SJohn Fastabend } 6836843e7a2SJohn Fastabend 684f9eda14fSQuentin Monnet static inline bool tc_can_offload_extack(const struct net_device *dev, 685f9eda14fSQuentin Monnet struct netlink_ext_ack *extack) 686f9eda14fSQuentin Monnet { 687f9eda14fSQuentin Monnet bool can = tc_can_offload(dev); 688f9eda14fSQuentin Monnet 689f9eda14fSQuentin Monnet if (!can) 690f9eda14fSQuentin Monnet NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); 691f9eda14fSQuentin Monnet 692f9eda14fSQuentin Monnet return can; 693f9eda14fSQuentin Monnet } 694f9eda14fSQuentin Monnet 695878db9f0SJakub Kicinski static inline bool 696878db9f0SJakub Kicinski tc_cls_can_offload_and_chain0(const struct net_device *dev, 697878db9f0SJakub Kicinski struct tc_cls_common_offload *common) 698878db9f0SJakub Kicinski { 699878db9f0SJakub Kicinski if (!tc_can_offload_extack(dev, common->extack)) 700878db9f0SJakub Kicinski return false; 701878db9f0SJakub Kicinski if (common->chain_index) { 702878db9f0SJakub Kicinski NL_SET_ERR_MSG(common->extack, 703878db9f0SJakub Kicinski "Driver supports only offload of chain 0"); 704878db9f0SJakub Kicinski return false; 705878db9f0SJakub Kicinski } 706878db9f0SJakub Kicinski return true; 707878db9f0SJakub Kicinski } 708878db9f0SJakub Kicinski 70955330f05SHadar Hen Zion static inline bool tc_skip_hw(u32 flags) 71055330f05SHadar Hen Zion { 71155330f05SHadar Hen Zion return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; 71255330f05SHadar Hen Zion } 71355330f05SHadar Hen Zion 714d34e3e18SSamudrala, Sridhar static inline bool tc_skip_sw(u32 flags) 715d34e3e18SSamudrala, Sridhar { 716d34e3e18SSamudrala, Sridhar return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; 717d34e3e18SSamudrala, Sridhar } 718d34e3e18SSamudrala, Sridhar 719d34e3e18SSamudrala, Sridhar /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ 720d34e3e18SSamudrala, Sridhar static inline bool tc_flags_valid(u32 flags) 721d34e3e18SSamudrala, Sridhar { 72281c7288bSMarcelo Ricardo Leitner if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | 72381c7288bSMarcelo Ricardo Leitner TCA_CLS_FLAGS_VERBOSE)) 724d34e3e18SSamudrala, Sridhar return false; 725d34e3e18SSamudrala, Sridhar 72681c7288bSMarcelo Ricardo Leitner flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; 727d34e3e18SSamudrala, Sridhar if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) 728d34e3e18SSamudrala, Sridhar return false; 729d34e3e18SSamudrala, Sridhar 730d34e3e18SSamudrala, Sridhar return true; 731d34e3e18SSamudrala, Sridhar } 732d34e3e18SSamudrala, Sridhar 733e696028aSOr Gerlitz static inline bool tc_in_hw(u32 flags) 734e696028aSOr Gerlitz { 735e696028aSOr Gerlitz return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; 736e696028aSOr Gerlitz } 737e696028aSOr Gerlitz 73834832e1cSJakub Kicinski static inline void 73934832e1cSJakub Kicinski tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common, 74034832e1cSJakub Kicinski const struct tcf_proto *tp, u32 flags, 74134832e1cSJakub Kicinski struct netlink_ext_ack *extack) 74234832e1cSJakub Kicinski { 74334832e1cSJakub Kicinski cls_common->chain_index = tp->chain->index; 74434832e1cSJakub Kicinski cls_common->protocol = tp->protocol; 74534832e1cSJakub Kicinski cls_common->prio = tp->prio; 74681c7288bSMarcelo Ricardo Leitner if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) 74734832e1cSJakub Kicinski cls_common->extack = extack; 74834832e1cSJakub Kicinski } 74934832e1cSJakub Kicinski 7505b33f488SAmir Vadai enum tc_fl_command { 7515b33f488SAmir Vadai TC_CLSFLOWER_REPLACE, 7525b33f488SAmir Vadai TC_CLSFLOWER_DESTROY, 75310cbc684SAmir Vadai TC_CLSFLOWER_STATS, 75434738452SJiri Pirko TC_CLSFLOWER_TMPLT_CREATE, 75534738452SJiri Pirko TC_CLSFLOWER_TMPLT_DESTROY, 7565b33f488SAmir Vadai }; 7575b33f488SAmir Vadai 7585b33f488SAmir Vadai struct tc_cls_flower_offload { 7595fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 7605b33f488SAmir Vadai enum tc_fl_command command; 7618208d21bSAmir Vadai unsigned long cookie; 7625b33f488SAmir Vadai struct flow_dissector *dissector; 7635b33f488SAmir Vadai struct fl_flow_key *mask; 7645b33f488SAmir Vadai struct fl_flow_key *key; 7655b33f488SAmir Vadai struct tcf_exts *exts; 766384c181eSAmritha Nambiar u32 classid; 7675b33f488SAmir Vadai }; 7685b33f488SAmir Vadai 769b87f7936SYotam Gigi enum tc_matchall_command { 770b87f7936SYotam Gigi TC_CLSMATCHALL_REPLACE, 771b87f7936SYotam Gigi TC_CLSMATCHALL_DESTROY, 772b87f7936SYotam Gigi }; 773b87f7936SYotam Gigi 774b87f7936SYotam Gigi struct tc_cls_matchall_offload { 7755fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 776b87f7936SYotam Gigi enum tc_matchall_command command; 777b87f7936SYotam Gigi struct tcf_exts *exts; 778b87f7936SYotam Gigi unsigned long cookie; 779b87f7936SYotam Gigi }; 780b87f7936SYotam Gigi 781332ae8e2SJakub Kicinski enum tc_clsbpf_command { 782102740bdSJakub Kicinski TC_CLSBPF_OFFLOAD, 78368d64063SJakub Kicinski TC_CLSBPF_STATS, 784332ae8e2SJakub Kicinski }; 785332ae8e2SJakub Kicinski 786332ae8e2SJakub Kicinski struct tc_cls_bpf_offload { 7875fd9fc4eSJiri Pirko struct tc_cls_common_offload common; 788332ae8e2SJakub Kicinski enum tc_clsbpf_command command; 789332ae8e2SJakub Kicinski struct tcf_exts *exts; 790332ae8e2SJakub Kicinski struct bpf_prog *prog; 791102740bdSJakub Kicinski struct bpf_prog *oldprog; 792332ae8e2SJakub Kicinski const char *name; 793332ae8e2SJakub Kicinski bool exts_integrated; 794332ae8e2SJakub Kicinski }; 795332ae8e2SJakub Kicinski 7964e8b86c0SAmritha Nambiar struct tc_mqprio_qopt_offload { 7974e8b86c0SAmritha Nambiar /* struct tc_mqprio_qopt must always be the first element */ 7984e8b86c0SAmritha Nambiar struct tc_mqprio_qopt qopt; 7994e8b86c0SAmritha Nambiar u16 mode; 8004e8b86c0SAmritha Nambiar u16 shaper; 8014e8b86c0SAmritha Nambiar u32 flags; 8024e8b86c0SAmritha Nambiar u64 min_rate[TC_QOPT_MAX_QUEUE]; 8034e8b86c0SAmritha Nambiar u64 max_rate[TC_QOPT_MAX_QUEUE]; 8044e8b86c0SAmritha Nambiar }; 8051045ba77SJamal Hadi Salim 8061045ba77SJamal Hadi Salim /* This structure holds cookie structure that is passed from user 8071045ba77SJamal Hadi Salim * to the kernel for actions and classifiers 8081045ba77SJamal Hadi Salim */ 8091045ba77SJamal Hadi Salim struct tc_cookie { 8101045ba77SJamal Hadi Salim u8 *data; 8111045ba77SJamal Hadi Salim u32 len; 812eec94fdbSVlad Buslov struct rcu_head rcu; 8131045ba77SJamal Hadi Salim }; 814602f3bafSNogah Frankel 815f34b4aacSNogah Frankel struct tc_qopt_offload_stats { 816f34b4aacSNogah Frankel struct gnet_stats_basic_packed *bstats; 817f34b4aacSNogah Frankel struct gnet_stats_queue *qstats; 818f34b4aacSNogah Frankel }; 819f34b4aacSNogah Frankel 820f971b132SJakub Kicinski enum tc_mq_command { 821f971b132SJakub Kicinski TC_MQ_CREATE, 822f971b132SJakub Kicinski TC_MQ_DESTROY, 82347c669a4SJakub Kicinski TC_MQ_STATS, 824d577a3d2SJakub Kicinski TC_MQ_GRAFT, 825d577a3d2SJakub Kicinski }; 826d577a3d2SJakub Kicinski 827d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params { 828d577a3d2SJakub Kicinski unsigned long queue; 829d577a3d2SJakub Kicinski u32 child_handle; 830f971b132SJakub Kicinski }; 831f971b132SJakub Kicinski 832f971b132SJakub Kicinski struct tc_mq_qopt_offload { 833f971b132SJakub Kicinski enum tc_mq_command command; 834f971b132SJakub Kicinski u32 handle; 835d577a3d2SJakub Kicinski union { 83647c669a4SJakub Kicinski struct tc_qopt_offload_stats stats; 837d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params graft_params; 838d577a3d2SJakub Kicinski }; 839f971b132SJakub Kicinski }; 840f971b132SJakub Kicinski 841602f3bafSNogah Frankel enum tc_red_command { 842602f3bafSNogah Frankel TC_RED_REPLACE, 843602f3bafSNogah Frankel TC_RED_DESTROY, 844602f3bafSNogah Frankel TC_RED_STATS, 845602f3bafSNogah Frankel TC_RED_XSTATS, 846bf2a752bSJakub Kicinski TC_RED_GRAFT, 847602f3bafSNogah Frankel }; 848602f3bafSNogah Frankel 849602f3bafSNogah Frankel struct tc_red_qopt_offload_params { 850602f3bafSNogah Frankel u32 min; 851602f3bafSNogah Frankel u32 max; 852602f3bafSNogah Frankel u32 probability; 853602f3bafSNogah Frankel bool is_ecn; 854190852a5SJakub Kicinski bool is_harddrop; 855416ef9b1SJakub Kicinski struct gnet_stats_queue *qstats; 856602f3bafSNogah Frankel }; 857602f3bafSNogah Frankel 858602f3bafSNogah Frankel struct tc_red_qopt_offload { 859602f3bafSNogah Frankel enum tc_red_command command; 860602f3bafSNogah Frankel u32 handle; 861602f3bafSNogah Frankel u32 parent; 862602f3bafSNogah Frankel union { 863602f3bafSNogah Frankel struct tc_red_qopt_offload_params set; 864f34b4aacSNogah Frankel struct tc_qopt_offload_stats stats; 865602f3bafSNogah Frankel struct red_stats *xstats; 866bf2a752bSJakub Kicinski u32 child_handle; 867602f3bafSNogah Frankel }; 868602f3bafSNogah Frankel }; 869602f3bafSNogah Frankel 8707fdb61b4SNogah Frankel enum tc_prio_command { 8717fdb61b4SNogah Frankel TC_PRIO_REPLACE, 8727fdb61b4SNogah Frankel TC_PRIO_DESTROY, 8737fdb61b4SNogah Frankel TC_PRIO_STATS, 874b9c7a7acSNogah Frankel TC_PRIO_GRAFT, 8757fdb61b4SNogah Frankel }; 8767fdb61b4SNogah Frankel 8777fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params { 8787fdb61b4SNogah Frankel int bands; 8797fdb61b4SNogah Frankel u8 priomap[TC_PRIO_MAX + 1]; 8807fdb61b4SNogah Frankel /* In case that a prio qdisc is offloaded and now is changed to a 8817fdb61b4SNogah Frankel * non-offloadedable config, it needs to update the backlog & qlen 8827fdb61b4SNogah Frankel * values to negate the HW backlog & qlen values (and only them). 8837fdb61b4SNogah Frankel */ 8847fdb61b4SNogah Frankel struct gnet_stats_queue *qstats; 8857fdb61b4SNogah Frankel }; 8867fdb61b4SNogah Frankel 887b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params { 888b9c7a7acSNogah Frankel u8 band; 889b9c7a7acSNogah Frankel u32 child_handle; 890b9c7a7acSNogah Frankel }; 891b9c7a7acSNogah Frankel 8927fdb61b4SNogah Frankel struct tc_prio_qopt_offload { 8937fdb61b4SNogah Frankel enum tc_prio_command command; 8947fdb61b4SNogah Frankel u32 handle; 8957fdb61b4SNogah Frankel u32 parent; 8967fdb61b4SNogah Frankel union { 8977fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params replace_params; 8987fdb61b4SNogah Frankel struct tc_qopt_offload_stats stats; 899b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params graft_params; 9007fdb61b4SNogah Frankel }; 9017fdb61b4SNogah Frankel }; 902b9c7a7acSNogah Frankel 90398b0e5f6SJakub Kicinski enum tc_root_command { 90498b0e5f6SJakub Kicinski TC_ROOT_GRAFT, 90598b0e5f6SJakub Kicinski }; 90698b0e5f6SJakub Kicinski 90798b0e5f6SJakub Kicinski struct tc_root_qopt_offload { 90898b0e5f6SJakub Kicinski enum tc_root_command command; 90998b0e5f6SJakub Kicinski u32 handle; 91098b0e5f6SJakub Kicinski bool ingress; 91198b0e5f6SJakub Kicinski }; 91298b0e5f6SJakub Kicinski 9131da177e4SLinus Torvalds #endif 914