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> 9a5148626SJiri Pirko #include <net/net_namespace.h> 101da177e4SLinus Torvalds 11cd11b164SPaolo Abeni /* TC action not accessible from user space */ 12720f22feSJohn Hurley #define TC_ACT_CONSUMED (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; 206676d5e4SVlad Buslov bool nonempty; 2101683a14SVlad Buslov unsigned long cookie; 228113c095SWANG Cong int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *); 231da177e4SLinus Torvalds }; 241da177e4SLinus Torvalds 255c15257fSJoe Perches int register_tcf_proto_ops(struct tcf_proto_ops *ops); 265c15257fSJoe Perches int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); 271da177e4SLinus Torvalds 288c4083b3SJiri Pirko struct tcf_block_ext_info { 2932f8c409SPablo Neira Ayuso enum flow_block_binder_type binder_type; 30c7eb7d72SJiri Pirko tcf_chain_head_change_t *chain_head_change; 31c7eb7d72SJiri Pirko void *chain_head_change_priv; 3248617387SJiri Pirko u32 block_index; 338c4083b3SJiri Pirko }; 348c4083b3SJiri Pirko 353625750fSPetr Machata struct tcf_qevent { 363625750fSPetr Machata struct tcf_block *block; 373625750fSPetr Machata struct tcf_block_ext_info info; 383625750fSPetr Machata struct tcf_proto __rcu *filter_chain; 393625750fSPetr Machata }; 403625750fSPetr Machata 41acb67442SJiri Pirko struct tcf_block_cb; 42aaa908ffSCong Wang bool tcf_queue_work(struct rcu_work *rwork, work_func_t func); 43acb67442SJiri Pirko 448ae70032SJiri Pirko #ifdef CONFIG_NET_CLS 451f3ed383SJiri Pirko struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block, 461f3ed383SJiri Pirko u32 chain_index); 471f3ed383SJiri Pirko void tcf_chain_put_by_act(struct tcf_chain *chain); 48bbf73830SVlad Buslov struct tcf_chain *tcf_get_next_chain(struct tcf_block *block, 49bbf73830SVlad Buslov struct tcf_chain *chain); 50fe2923afSVlad Buslov struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain, 510fca55edSVlad Buslov struct tcf_proto *tp); 52f36fe1c4SJiri Pirko void tcf_block_netif_keep_dst(struct tcf_block *block); 536529eabaSJiri Pirko int tcf_block_get(struct tcf_block **p_block, 548d1a77f9SAlexander Aring struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, 558d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 56c7eb7d72SJiri Pirko int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, 578d1a77f9SAlexander Aring struct tcf_block_ext_info *ei, 588d1a77f9SAlexander Aring struct netlink_ext_ack *extack); 596529eabaSJiri Pirko void tcf_block_put(struct tcf_block *block); 60c7eb7d72SJiri Pirko void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, 618c4083b3SJiri Pirko struct tcf_block_ext_info *ei); 6244186460SJiri Pirko 6348617387SJiri Pirko static inline bool tcf_block_shared(struct tcf_block *block) 6448617387SJiri Pirko { 6548617387SJiri Pirko return block->index; 6648617387SJiri Pirko } 6748617387SJiri Pirko 68c1a970d0SVlad Buslov static inline bool tcf_block_non_null_shared(struct tcf_block *block) 69c1a970d0SVlad Buslov { 70c1a970d0SVlad Buslov return block && block->index; 71c1a970d0SVlad Buslov } 72c1a970d0SVlad Buslov 7344186460SJiri Pirko static inline struct Qdisc *tcf_block_q(struct tcf_block *block) 7444186460SJiri Pirko { 7548617387SJiri Pirko WARN_ON(tcf_block_shared(block)); 7644186460SJiri Pirko return block->q; 7744186460SJiri Pirko } 7844186460SJiri Pirko 7987d83093SJiri Pirko int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 8087d83093SJiri Pirko struct tcf_result *res, bool compat_mode); 817d17c544SPaul Blakey int tcf_classify_ingress(struct sk_buff *skb, 827d17c544SPaul Blakey const struct tcf_block *ingress_block, 837d17c544SPaul Blakey const struct tcf_proto *tp, struct tcf_result *res, 847d17c544SPaul Blakey bool compat_mode); 8587d83093SJiri Pirko 868ae70032SJiri Pirko #else 8788c44a52SPieter Jansen van Vuuren static inline bool tcf_block_shared(struct tcf_block *block) 8888c44a52SPieter Jansen van Vuuren { 8988c44a52SPieter Jansen van Vuuren return false; 9088c44a52SPieter Jansen van Vuuren } 9188c44a52SPieter Jansen van Vuuren 92c1a970d0SVlad Buslov static inline bool tcf_block_non_null_shared(struct tcf_block *block) 93c1a970d0SVlad Buslov { 94c1a970d0SVlad Buslov return false; 95c1a970d0SVlad Buslov } 96c1a970d0SVlad Buslov 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 129a7323311SPablo Neira Ayuso int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb, 130acb67442SJiri Pirko void *cb_priv) 131acb67442SJiri Pirko { 132acb67442SJiri Pirko return 0; 133acb67442SJiri Pirko } 134acb67442SJiri Pirko 135acb67442SJiri Pirko static inline 136a7323311SPablo Neira Ayuso void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb, 137acb67442SJiri Pirko void *cb_priv) 138acb67442SJiri Pirko { 139acb67442SJiri Pirko } 140acb67442SJiri Pirko 14187d83093SJiri Pirko static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 14287d83093SJiri Pirko struct tcf_result *res, bool compat_mode) 14387d83093SJiri Pirko { 14487d83093SJiri Pirko return TC_ACT_UNSPEC; 14587d83093SJiri Pirko } 1469410c940SPaul Blakey 1479410c940SPaul Blakey static inline int tcf_classify_ingress(struct sk_buff *skb, 1487d17c544SPaul Blakey const struct tcf_block *ingress_block, 1499410c940SPaul Blakey const struct tcf_proto *tp, 1509410c940SPaul Blakey struct tcf_result *res, bool compat_mode) 1519410c940SPaul Blakey { 1529410c940SPaul Blakey return TC_ACT_UNSPEC; 1539410c940SPaul Blakey } 1549410c940SPaul Blakey 1558ae70032SJiri Pirko #endif 156cf1facdaSJiri Pirko 1571da177e4SLinus Torvalds static inline unsigned long 1581da177e4SLinus Torvalds __cls_set_class(unsigned long *clp, unsigned long cl) 1591da177e4SLinus Torvalds { 160a0efb80cSWANG Cong return xchg(clp, cl); 1611da177e4SLinus Torvalds } 1621da177e4SLinus Torvalds 1632e24cd75SCong Wang static inline void 1642e24cd75SCong Wang __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base) 1651da177e4SLinus Torvalds { 1662e24cd75SCong Wang unsigned long cl; 1671da177e4SLinus Torvalds 1682e24cd75SCong Wang cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); 1692e24cd75SCong Wang cl = __cls_set_class(&r->class, cl); 1702e24cd75SCong Wang if (cl) 1712e24cd75SCong Wang q->ops->cl_ops->unbind_tcf(q, cl); 1721da177e4SLinus Torvalds } 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds static inline void 1751da177e4SLinus Torvalds tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) 1761da177e4SLinus Torvalds { 17734e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 1781da177e4SLinus Torvalds 17934e3759cSJiri Pirko /* Check q as it is not set for shared blocks. In that case, 18034e3759cSJiri Pirko * setting class is not supported. 18134e3759cSJiri Pirko */ 18234e3759cSJiri Pirko if (!q) 18334e3759cSJiri Pirko return; 1842e24cd75SCong Wang sch_tree_lock(q); 1852e24cd75SCong Wang __tcf_bind_filter(q, r, base); 1862e24cd75SCong Wang sch_tree_unlock(q); 1872e24cd75SCong Wang } 1882e24cd75SCong Wang 1892e24cd75SCong Wang static inline void 1902e24cd75SCong Wang __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r) 1912e24cd75SCong Wang { 1922e24cd75SCong Wang unsigned long cl; 1932e24cd75SCong Wang 1942e24cd75SCong Wang if ((cl = __cls_set_class(&r->class, 0)) != 0) 19534e3759cSJiri Pirko q->ops->cl_ops->unbind_tcf(q, cl); 1961da177e4SLinus Torvalds } 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds static inline void 1991da177e4SLinus Torvalds tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) 2001da177e4SLinus Torvalds { 20134e3759cSJiri Pirko struct Qdisc *q = tp->chain->block->q; 2021da177e4SLinus Torvalds 20334e3759cSJiri Pirko if (!q) 20434e3759cSJiri Pirko return; 2052e24cd75SCong Wang __tcf_unbind_filter(q, r); 2061da177e4SLinus Torvalds } 2071da177e4SLinus Torvalds 208fd2c3ef7SEric Dumazet struct tcf_exts { 2091da177e4SLinus Torvalds #ifdef CONFIG_NET_CLS_ACT 21033be6271SWANG Cong __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ 21122dc13c8SWANG Cong int nr_actions; 21222dc13c8SWANG Cong struct tc_action **actions; 213e4b95c41SCong Wang struct net *net; 2141da177e4SLinus Torvalds #endif 2151da177e4SLinus Torvalds /* Map to export classifier specific extension TLV types to the 2161da177e4SLinus Torvalds * generic extensions API. Unsupported extensions must be set to 0. 2171da177e4SLinus Torvalds */ 2181da177e4SLinus Torvalds int action; 2191da177e4SLinus Torvalds int police; 2201da177e4SLinus Torvalds }; 2211da177e4SLinus Torvalds 22214215108SCong Wang static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net, 22314215108SCong Wang int action, int police) 22433be6271SWANG Cong { 22533be6271SWANG Cong #ifdef CONFIG_NET_CLS_ACT 2265da57f42SWANG Cong exts->type = 0; 22722dc13c8SWANG Cong exts->nr_actions = 0; 22814215108SCong Wang exts->net = net; 22922dc13c8SWANG Cong exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), 23022dc13c8SWANG Cong GFP_KERNEL); 231b9a24bb7SWANG Cong if (!exts->actions) 232b9a24bb7SWANG Cong return -ENOMEM; 23333be6271SWANG Cong #endif 2345da57f42SWANG Cong exts->action = action; 2355da57f42SWANG Cong exts->police = police; 236b9a24bb7SWANG Cong return 0; 23733be6271SWANG Cong } 23833be6271SWANG Cong 239e4b95c41SCong Wang /* Return false if the netns is being destroyed in cleanup_net(). Callers 240e4b95c41SCong Wang * need to do cleanup synchronously in this case, otherwise may race with 241e4b95c41SCong Wang * tc_action_net_exit(). Return true for other cases. 242e4b95c41SCong Wang */ 243e4b95c41SCong Wang static inline bool tcf_exts_get_net(struct tcf_exts *exts) 244e4b95c41SCong Wang { 245e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 246e4b95c41SCong Wang exts->net = maybe_get_net(exts->net); 247e4b95c41SCong Wang return exts->net != NULL; 248e4b95c41SCong Wang #else 249e4b95c41SCong Wang return true; 250e4b95c41SCong Wang #endif 251e4b95c41SCong Wang } 252e4b95c41SCong Wang 253e4b95c41SCong Wang static inline void tcf_exts_put_net(struct tcf_exts *exts) 254e4b95c41SCong Wang { 255e4b95c41SCong Wang #ifdef CONFIG_NET_CLS_ACT 256e4b95c41SCong Wang if (exts->net) 257e4b95c41SCong Wang put_net(exts->net); 258e4b95c41SCong Wang #endif 259e4b95c41SCong Wang } 260e4b95c41SCong Wang 26122dc13c8SWANG Cong #ifdef CONFIG_NET_CLS_ACT 262244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 263244cd96aSCong Wang for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++) 264244cd96aSCong Wang #else 265244cd96aSCong Wang #define tcf_exts_for_each_action(i, a, exts) \ 266191672caSArnd Bergmann for (; 0; (void)(i), (void)(a), (void)(exts)) 26722dc13c8SWANG Cong #endif 26822dc13c8SWANG Cong 269d897a638SJakub Kicinski static inline void 270d897a638SJakub Kicinski tcf_exts_stats_update(const struct tcf_exts *exts, 2714b61d3e8SPo Liu u64 bytes, u64 packets, u64 drops, u64 lastuse, 27293a129ebSJiri Pirko u8 used_hw_stats, bool used_hw_stats_valid) 273d897a638SJakub Kicinski { 274d897a638SJakub Kicinski #ifdef CONFIG_NET_CLS_ACT 275d897a638SJakub Kicinski int i; 276d897a638SJakub Kicinski 277d897a638SJakub Kicinski preempt_disable(); 278d897a638SJakub Kicinski 279d897a638SJakub Kicinski for (i = 0; i < exts->nr_actions; i++) { 280d897a638SJakub Kicinski struct tc_action *a = exts->actions[i]; 281d897a638SJakub Kicinski 2824b61d3e8SPo Liu tcf_action_stats_update(a, bytes, packets, drops, 2834b61d3e8SPo Liu lastuse, true); 28493a129ebSJiri Pirko a->used_hw_stats = used_hw_stats; 28593a129ebSJiri Pirko a->used_hw_stats_valid = used_hw_stats_valid; 286d897a638SJakub Kicinski } 287d897a638SJakub Kicinski 288d897a638SJakub Kicinski preempt_enable(); 289d897a638SJakub Kicinski #endif 290d897a638SJakub Kicinski } 291d897a638SJakub Kicinski 2921da177e4SLinus Torvalds /** 2933bcc0cecSJiri Pirko * tcf_exts_has_actions - check if at least one action is present 2943bcc0cecSJiri Pirko * @exts: tc filter extensions handle 2953bcc0cecSJiri Pirko * 2963bcc0cecSJiri Pirko * Returns true if at least one action is present. 2973bcc0cecSJiri Pirko */ 2983bcc0cecSJiri Pirko static inline bool tcf_exts_has_actions(struct tcf_exts *exts) 2993bcc0cecSJiri Pirko { 3002734437eSWANG Cong #ifdef CONFIG_NET_CLS_ACT 3013bcc0cecSJiri Pirko return exts->nr_actions; 3023bcc0cecSJiri Pirko #else 3033bcc0cecSJiri Pirko return false; 3043bcc0cecSJiri Pirko #endif 3053bcc0cecSJiri Pirko } 3062734437eSWANG Cong 3073bcc0cecSJiri Pirko /** 308af69afc5SJiri Pirko * tcf_exts_exec - execute tc filter extensions 309af69afc5SJiri Pirko * @skb: socket buffer 310af69afc5SJiri Pirko * @exts: tc filter extensions handle 311af69afc5SJiri Pirko * @res: desired result 312af69afc5SJiri Pirko * 313af089e70SJiri Pirko * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, 314af69afc5SJiri Pirko * a negative number if the filter must be considered unmatched or 315af69afc5SJiri Pirko * a positive action code (TC_ACT_*) which must be returned to the 316af69afc5SJiri Pirko * underlying layer. 317af69afc5SJiri Pirko */ 318af69afc5SJiri Pirko static inline int 319af69afc5SJiri Pirko tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, 320af69afc5SJiri Pirko struct tcf_result *res) 321af69afc5SJiri Pirko { 322af69afc5SJiri Pirko #ifdef CONFIG_NET_CLS_ACT 323ec1a9ccaSJiri Pirko return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); 324af69afc5SJiri Pirko #endif 325af089e70SJiri Pirko return TC_ACT_OK; 326af69afc5SJiri Pirko } 327af69afc5SJiri Pirko 3285c15257fSJoe Perches int tcf_exts_validate(struct net *net, struct tcf_proto *tp, 329c1b52739SBenjamin LaHaise struct nlattr **tb, struct nlattr *rate_tlv, 330ec6743a1SVlad Buslov struct tcf_exts *exts, bool ovr, bool rtnl_held, 33150a56190SAlexander Aring struct netlink_ext_ack *extack); 33218d0264fSWANG Cong void tcf_exts_destroy(struct tcf_exts *exts); 3339b0d4446SJiri Pirko void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); 3345da57f42SWANG Cong int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); 335ca44b738SVlad Buslov int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts); 3365da57f42SWANG Cong int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds /** 3391da177e4SLinus Torvalds * struct tcf_pkt_info - packet information 3401da177e4SLinus Torvalds */ 341fd2c3ef7SEric Dumazet struct tcf_pkt_info { 3421da177e4SLinus Torvalds unsigned char * ptr; 3431da177e4SLinus Torvalds int nexthdr; 3441da177e4SLinus Torvalds }; 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds #ifdef CONFIG_NET_EMATCH 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvalds struct tcf_ematch_ops; 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds /** 3511da177e4SLinus Torvalds * struct tcf_ematch - extended match (ematch) 3521da177e4SLinus Torvalds * 3531da177e4SLinus Torvalds * @matchid: identifier to allow userspace to reidentify a match 3541da177e4SLinus Torvalds * @flags: flags specifying attributes and the relation to other matches 3551da177e4SLinus Torvalds * @ops: the operations lookup table of the corresponding ematch module 3561da177e4SLinus Torvalds * @datalen: length of the ematch specific configuration data 3571da177e4SLinus Torvalds * @data: ematch specific data 3581da177e4SLinus Torvalds */ 359fd2c3ef7SEric Dumazet struct tcf_ematch { 3601da177e4SLinus Torvalds struct tcf_ematch_ops * ops; 3611da177e4SLinus Torvalds unsigned long data; 3621da177e4SLinus Torvalds unsigned int datalen; 3631da177e4SLinus Torvalds u16 matchid; 3641da177e4SLinus Torvalds u16 flags; 36582a470f1SJohn Fastabend struct net *net; 3661da177e4SLinus Torvalds }; 3671da177e4SLinus Torvalds 3681da177e4SLinus Torvalds static inline int tcf_em_is_container(struct tcf_ematch *em) 3691da177e4SLinus Torvalds { 3701da177e4SLinus Torvalds return !em->ops; 3711da177e4SLinus Torvalds } 3721da177e4SLinus Torvalds 3731da177e4SLinus Torvalds static inline int tcf_em_is_simple(struct tcf_ematch *em) 3741da177e4SLinus Torvalds { 3751da177e4SLinus Torvalds return em->flags & TCF_EM_SIMPLE; 3761da177e4SLinus Torvalds } 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds static inline int tcf_em_is_inverted(struct tcf_ematch *em) 3791da177e4SLinus Torvalds { 3801da177e4SLinus Torvalds return em->flags & TCF_EM_INVERT; 3811da177e4SLinus Torvalds } 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds static inline int tcf_em_last_match(struct tcf_ematch *em) 3841da177e4SLinus Torvalds { 3851da177e4SLinus Torvalds return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; 3861da177e4SLinus Torvalds } 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds static inline int tcf_em_early_end(struct tcf_ematch *em, int result) 3891da177e4SLinus Torvalds { 3901da177e4SLinus Torvalds if (tcf_em_last_match(em)) 3911da177e4SLinus Torvalds return 1; 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds if (result == 0 && em->flags & TCF_EM_REL_AND) 3941da177e4SLinus Torvalds return 1; 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds if (result != 0 && em->flags & TCF_EM_REL_OR) 3971da177e4SLinus Torvalds return 1; 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds return 0; 4001da177e4SLinus Torvalds } 4011da177e4SLinus Torvalds 4021da177e4SLinus Torvalds /** 4031da177e4SLinus Torvalds * struct tcf_ematch_tree - ematch tree handle 4041da177e4SLinus Torvalds * 4051da177e4SLinus Torvalds * @hdr: ematch tree header supplied by userspace 4061da177e4SLinus Torvalds * @matches: array of ematches 4071da177e4SLinus Torvalds */ 408fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4091da177e4SLinus Torvalds struct tcf_ematch_tree_hdr hdr; 4101da177e4SLinus Torvalds struct tcf_ematch * matches; 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds }; 4131da177e4SLinus Torvalds 4141da177e4SLinus Torvalds /** 4151da177e4SLinus Torvalds * struct tcf_ematch_ops - ematch module operations 4161da177e4SLinus Torvalds * 4171da177e4SLinus Torvalds * @kind: identifier (kind) of this ematch module 4181da177e4SLinus Torvalds * @datalen: length of expected configuration data (optional) 4191da177e4SLinus Torvalds * @change: called during validation (optional) 4201da177e4SLinus Torvalds * @match: called during ematch tree evaluation, must return 1/0 4211da177e4SLinus Torvalds * @destroy: called during destroyage (optional) 4221da177e4SLinus Torvalds * @dump: called during dumping process (optional) 4231da177e4SLinus Torvalds * @owner: owner, must be set to THIS_MODULE 4241da177e4SLinus Torvalds * @link: link to previous/next ematch module (internal use) 4251da177e4SLinus Torvalds */ 426fd2c3ef7SEric Dumazet struct tcf_ematch_ops { 4271da177e4SLinus Torvalds int kind; 4281da177e4SLinus Torvalds int datalen; 42982a470f1SJohn Fastabend int (*change)(struct net *net, void *, 4301da177e4SLinus Torvalds int, struct tcf_ematch *); 4311da177e4SLinus Torvalds int (*match)(struct sk_buff *, struct tcf_ematch *, 4321da177e4SLinus Torvalds struct tcf_pkt_info *); 43382a470f1SJohn Fastabend void (*destroy)(struct tcf_ematch *); 4341da177e4SLinus Torvalds int (*dump)(struct sk_buff *, struct tcf_ematch *); 4351da177e4SLinus Torvalds struct module *owner; 4361da177e4SLinus Torvalds struct list_head link; 4371da177e4SLinus Torvalds }; 4381da177e4SLinus Torvalds 4395c15257fSJoe Perches int tcf_em_register(struct tcf_ematch_ops *); 4405c15257fSJoe Perches void tcf_em_unregister(struct tcf_ematch_ops *); 4415c15257fSJoe Perches int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, 4421da177e4SLinus Torvalds struct tcf_ematch_tree *); 44382a470f1SJohn Fastabend void tcf_em_tree_destroy(struct tcf_ematch_tree *); 4445c15257fSJoe Perches int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); 4455c15257fSJoe Perches int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, 4461da177e4SLinus Torvalds struct tcf_pkt_info *); 4471da177e4SLinus Torvalds 4481da177e4SLinus Torvalds /** 4491da177e4SLinus Torvalds * tcf_em_tree_match - evaulate an ematch tree 4501da177e4SLinus Torvalds * 4511da177e4SLinus Torvalds * @skb: socket buffer of the packet in question 4521da177e4SLinus Torvalds * @tree: ematch tree to be used for evaluation 4531da177e4SLinus Torvalds * @info: packet information examined by classifier 4541da177e4SLinus Torvalds * 4551da177e4SLinus Torvalds * This function matches @skb against the ematch tree in @tree by going 4561da177e4SLinus Torvalds * through all ematches respecting their logic relations returning 4571da177e4SLinus Torvalds * as soon as the result is obvious. 4581da177e4SLinus Torvalds * 4591da177e4SLinus Torvalds * Returns 1 if the ematch tree as-one matches, no ematches are configured 4601da177e4SLinus Torvalds * or ematch is not enabled in the kernel, otherwise 0 is returned. 4611da177e4SLinus Torvalds */ 4621da177e4SLinus Torvalds static inline int tcf_em_tree_match(struct sk_buff *skb, 4631da177e4SLinus Torvalds struct tcf_ematch_tree *tree, 4641da177e4SLinus Torvalds struct tcf_pkt_info *info) 4651da177e4SLinus Torvalds { 4661da177e4SLinus Torvalds if (tree->hdr.nmatches) 4671da177e4SLinus Torvalds return __tcf_em_tree_match(skb, tree, info); 4681da177e4SLinus Torvalds else 4691da177e4SLinus Torvalds return 1; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 472db3d99c0SPatrick McHardy #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) 473db3d99c0SPatrick McHardy 4741da177e4SLinus Torvalds #else /* CONFIG_NET_EMATCH */ 4751da177e4SLinus Torvalds 476fd2c3ef7SEric Dumazet struct tcf_ematch_tree { 4771da177e4SLinus Torvalds }; 4781da177e4SLinus Torvalds 4791da177e4SLinus Torvalds #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) 48082a470f1SJohn Fastabend #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) 4811da177e4SLinus Torvalds #define tcf_em_tree_dump(skb, t, tlv) (0) 4821da177e4SLinus Torvalds #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds #endif /* CONFIG_NET_EMATCH */ 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) 4871da177e4SLinus Torvalds { 4881da177e4SLinus Torvalds switch (layer) { 4891da177e4SLinus Torvalds case TCF_LAYER_LINK: 490d3303a65SWolfgang Bumiller return skb_mac_header(skb); 4911da177e4SLinus Torvalds case TCF_LAYER_NETWORK: 492d56f90a7SArnaldo Carvalho de Melo return skb_network_header(skb); 4931da177e4SLinus Torvalds case TCF_LAYER_TRANSPORT: 4949c70220bSArnaldo Carvalho de Melo return skb_transport_header(skb); 4951da177e4SLinus Torvalds } 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds return NULL; 4981da177e4SLinus Torvalds } 4991da177e4SLinus Torvalds 500eddc9ec5SArnaldo Carvalho de Melo static inline int tcf_valid_offset(const struct sk_buff *skb, 501eddc9ec5SArnaldo Carvalho de Melo const unsigned char *ptr, const int len) 5021da177e4SLinus Torvalds { 503da521b2cSDavid S. Miller return likely((ptr + len) <= skb_tail_pointer(skb) && 504da521b2cSDavid S. Miller ptr >= skb->head && 505da521b2cSDavid S. Miller (ptr <= (ptr + len))); 5061da177e4SLinus Torvalds } 5071da177e4SLinus Torvalds 5081da177e4SLinus Torvalds static inline int 5091057c55fSAlexander Aring tcf_change_indev(struct net *net, struct nlattr *indev_tlv, 5101057c55fSAlexander Aring struct netlink_ext_ack *extack) 5111da177e4SLinus Torvalds { 5122519a602SWANG Cong char indev[IFNAMSIZ]; 513c01003c2SPatrick McHardy struct net_device *dev; 514c01003c2SPatrick McHardy 515872f6903SFrancis Laniel if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) { 516e4a58ef3SGuillaume Nault NL_SET_ERR_MSG_ATTR(extack, indev_tlv, 517e4a58ef3SGuillaume Nault "Interface name too long"); 5182519a602SWANG Cong return -EINVAL; 5191057c55fSAlexander Aring } 5202519a602SWANG Cong dev = __dev_get_by_name(net, indev); 521e4a58ef3SGuillaume Nault if (!dev) { 522e4a58ef3SGuillaume Nault NL_SET_ERR_MSG_ATTR(extack, indev_tlv, 523e4a58ef3SGuillaume Nault "Network device not found"); 5242519a602SWANG Cong return -ENODEV; 525e4a58ef3SGuillaume Nault } 5262519a602SWANG Cong return dev->ifindex; 5271da177e4SLinus Torvalds } 5281da177e4SLinus Torvalds 5292519a602SWANG Cong static inline bool 5302519a602SWANG Cong tcf_match_indev(struct sk_buff *skb, int ifindex) 5312519a602SWANG Cong { 5322519a602SWANG Cong if (!ifindex) 5332519a602SWANG Cong return true; 5342519a602SWANG Cong if (!skb->skb_iif) 5352519a602SWANG Cong return false; 5362519a602SWANG Cong return ifindex == skb->skb_iif; 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds 5393a7b6861SPablo Neira Ayuso int tc_setup_flow_action(struct flow_action *flow_action, 540b15e7a6eSVlad Buslov const struct tcf_exts *exts); 5415a6ff4b1SVlad Buslov void tc_cleanup_flow_action(struct flow_action *flow_action); 5425a6ff4b1SVlad Buslov 543aeb3fecdSCong Wang int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type, 54440119211SVlad Buslov void *type_data, bool err_stop, bool rtnl_held); 54540119211SVlad Buslov int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp, 54640119211SVlad Buslov enum tc_setup_type type, void *type_data, bool err_stop, 54740119211SVlad Buslov u32 *flags, unsigned int *in_hw_count, bool rtnl_held); 54840119211SVlad Buslov int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp, 54940119211SVlad Buslov enum tc_setup_type type, void *type_data, bool err_stop, 55040119211SVlad Buslov u32 *old_flags, unsigned int *old_in_hw_count, 55140119211SVlad Buslov u32 *new_flags, unsigned int *new_in_hw_count, 55240119211SVlad Buslov bool rtnl_held); 55340119211SVlad Buslov int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp, 55440119211SVlad Buslov enum tc_setup_type type, void *type_data, bool err_stop, 55540119211SVlad Buslov u32 *flags, unsigned int *in_hw_count, bool rtnl_held); 55640119211SVlad Buslov int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp, 55740119211SVlad Buslov bool add, flow_setup_cb_t *cb, 55840119211SVlad Buslov enum tc_setup_type type, void *type_data, 55940119211SVlad Buslov void *cb_priv, u32 *flags, unsigned int *in_hw_count); 560e3ab786bSPablo Neira Ayuso unsigned int tcf_exts_num_actions(struct tcf_exts *exts); 561717503b9SJiri Pirko 5623625750fSPetr Machata #ifdef CONFIG_NET_CLS_ACT 5633625750fSPetr Machata int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch, 5643625750fSPetr Machata enum flow_block_binder_type binder_type, 5653625750fSPetr Machata struct nlattr *block_index_attr, 5663625750fSPetr Machata struct netlink_ext_ack *extack); 5673625750fSPetr Machata void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch); 5683625750fSPetr Machata int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr, 5693625750fSPetr Machata struct netlink_ext_ack *extack); 5703625750fSPetr Machata struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb, 57155f656cdSPetr Machata struct sk_buff **to_free, int *ret); 5723625750fSPetr Machata int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe); 5733625750fSPetr Machata #else 5743625750fSPetr Machata static inline int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch, 5753625750fSPetr Machata enum flow_block_binder_type binder_type, 5763625750fSPetr Machata struct nlattr *block_index_attr, 5773625750fSPetr Machata struct netlink_ext_ack *extack) 5783625750fSPetr Machata { 5793625750fSPetr Machata return 0; 5803625750fSPetr Machata } 5813625750fSPetr Machata 5823625750fSPetr Machata static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch) 5833625750fSPetr Machata { 5843625750fSPetr Machata } 5853625750fSPetr Machata 5863625750fSPetr Machata static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr, 5873625750fSPetr Machata struct netlink_ext_ack *extack) 5883625750fSPetr Machata { 5893625750fSPetr Machata return 0; 5903625750fSPetr Machata } 5913625750fSPetr Machata 5923625750fSPetr Machata static inline struct sk_buff * 5933625750fSPetr Machata tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb, 59455f656cdSPetr Machata struct sk_buff **to_free, int *ret) 5953625750fSPetr Machata { 5963625750fSPetr Machata return skb; 5973625750fSPetr Machata } 5983625750fSPetr Machata 5993625750fSPetr Machata static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe) 6003625750fSPetr Machata { 6013625750fSPetr Machata return 0; 6023625750fSPetr Machata } 6033625750fSPetr Machata #endif 6043625750fSPetr Machata 605a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode { 606a1b7c5fdSJohn Fastabend struct tcf_exts *exts; 607068ceb35SJakub Kicinski struct tcf_result *res; 608e014860eSJohn Fastabend struct tc_u32_sel *sel; 609a1b7c5fdSJohn Fastabend u32 handle; 610a1b7c5fdSJohn Fastabend u32 val; 611a1b7c5fdSJohn Fastabend u32 mask; 612a1b7c5fdSJohn Fastabend u32 link_handle; 613e014860eSJohn Fastabend u8 fshift; 614a1b7c5fdSJohn Fastabend }; 615a1b7c5fdSJohn Fastabend 616a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode { 617a1b7c5fdSJohn Fastabend u32 handle; 618a1b7c5fdSJohn Fastabend u32 prio; 619a1b7c5fdSJohn Fastabend unsigned int divisor; 620a1b7c5fdSJohn Fastabend }; 621a1b7c5fdSJohn Fastabend 622a1b7c5fdSJohn Fastabend enum tc_clsu32_command { 623a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_KNODE, 624a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_KNODE, 625a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_KNODE, 626a1b7c5fdSJohn Fastabend TC_CLSU32_NEW_HNODE, 627a1b7c5fdSJohn Fastabend TC_CLSU32_REPLACE_HNODE, 628a1b7c5fdSJohn Fastabend TC_CLSU32_DELETE_HNODE, 629a1b7c5fdSJohn Fastabend }; 630a1b7c5fdSJohn Fastabend 631a1b7c5fdSJohn Fastabend struct tc_cls_u32_offload { 632f9e30088SPablo Neira Ayuso struct flow_cls_common_offload common; 633a1b7c5fdSJohn Fastabend /* knode values */ 634a1b7c5fdSJohn Fastabend enum tc_clsu32_command command; 635a1b7c5fdSJohn Fastabend union { 636a1b7c5fdSJohn Fastabend struct tc_cls_u32_knode knode; 637a1b7c5fdSJohn Fastabend struct tc_cls_u32_hnode hnode; 638a1b7c5fdSJohn Fastabend }; 639a1b7c5fdSJohn Fastabend }; 640a1b7c5fdSJohn Fastabend 6417b06e8aeSJiri Pirko static inline bool tc_can_offload(const struct net_device *dev) 6426843e7a2SJohn Fastabend { 64370b5aee4SJiri Pirko return dev->features & NETIF_F_HW_TC; 6446843e7a2SJohn Fastabend } 6456843e7a2SJohn Fastabend 646f9eda14fSQuentin Monnet static inline bool tc_can_offload_extack(const struct net_device *dev, 647f9eda14fSQuentin Monnet struct netlink_ext_ack *extack) 648f9eda14fSQuentin Monnet { 649f9eda14fSQuentin Monnet bool can = tc_can_offload(dev); 650f9eda14fSQuentin Monnet 651f9eda14fSQuentin Monnet if (!can) 652f9eda14fSQuentin Monnet NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); 653f9eda14fSQuentin Monnet 654f9eda14fSQuentin Monnet return can; 655f9eda14fSQuentin Monnet } 656f9eda14fSQuentin Monnet 657878db9f0SJakub Kicinski static inline bool 658878db9f0SJakub Kicinski tc_cls_can_offload_and_chain0(const struct net_device *dev, 659f9e30088SPablo Neira Ayuso struct flow_cls_common_offload *common) 660878db9f0SJakub Kicinski { 661878db9f0SJakub Kicinski if (!tc_can_offload_extack(dev, common->extack)) 662878db9f0SJakub Kicinski return false; 663878db9f0SJakub Kicinski if (common->chain_index) { 664878db9f0SJakub Kicinski NL_SET_ERR_MSG(common->extack, 665878db9f0SJakub Kicinski "Driver supports only offload of chain 0"); 666878db9f0SJakub Kicinski return false; 667878db9f0SJakub Kicinski } 668878db9f0SJakub Kicinski return true; 669878db9f0SJakub Kicinski } 670878db9f0SJakub Kicinski 67155330f05SHadar Hen Zion static inline bool tc_skip_hw(u32 flags) 67255330f05SHadar Hen Zion { 67355330f05SHadar Hen Zion return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; 67455330f05SHadar Hen Zion } 67555330f05SHadar Hen Zion 676d34e3e18SSamudrala, Sridhar static inline bool tc_skip_sw(u32 flags) 677d34e3e18SSamudrala, Sridhar { 678d34e3e18SSamudrala, Sridhar return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; 679d34e3e18SSamudrala, Sridhar } 680d34e3e18SSamudrala, Sridhar 681d34e3e18SSamudrala, Sridhar /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ 682d34e3e18SSamudrala, Sridhar static inline bool tc_flags_valid(u32 flags) 683d34e3e18SSamudrala, Sridhar { 68481c7288bSMarcelo Ricardo Leitner if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | 68581c7288bSMarcelo Ricardo Leitner TCA_CLS_FLAGS_VERBOSE)) 686d34e3e18SSamudrala, Sridhar return false; 687d34e3e18SSamudrala, Sridhar 68881c7288bSMarcelo Ricardo Leitner flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; 689d34e3e18SSamudrala, Sridhar if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) 690d34e3e18SSamudrala, Sridhar return false; 691d34e3e18SSamudrala, Sridhar 692d34e3e18SSamudrala, Sridhar return true; 693d34e3e18SSamudrala, Sridhar } 694d34e3e18SSamudrala, Sridhar 695e696028aSOr Gerlitz static inline bool tc_in_hw(u32 flags) 696e696028aSOr Gerlitz { 697e696028aSOr Gerlitz return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; 698e696028aSOr Gerlitz } 699e696028aSOr Gerlitz 70034832e1cSJakub Kicinski static inline void 701f9e30088SPablo Neira Ayuso tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common, 70234832e1cSJakub Kicinski const struct tcf_proto *tp, u32 flags, 70334832e1cSJakub Kicinski struct netlink_ext_ack *extack) 70434832e1cSJakub Kicinski { 70534832e1cSJakub Kicinski cls_common->chain_index = tp->chain->index; 70634832e1cSJakub Kicinski cls_common->protocol = tp->protocol; 707ef01adaeSPablo Neira Ayuso cls_common->prio = tp->prio >> 16; 70881c7288bSMarcelo Ricardo Leitner if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) 70934832e1cSJakub Kicinski cls_common->extack = extack; 71034832e1cSJakub Kicinski } 71134832e1cSJakub Kicinski 712b87f7936SYotam Gigi enum tc_matchall_command { 713b87f7936SYotam Gigi TC_CLSMATCHALL_REPLACE, 714b87f7936SYotam Gigi TC_CLSMATCHALL_DESTROY, 715b7fe4ab8SPieter Jansen van Vuuren TC_CLSMATCHALL_STATS, 716b87f7936SYotam Gigi }; 717b87f7936SYotam Gigi 718b87f7936SYotam Gigi struct tc_cls_matchall_offload { 719f9e30088SPablo Neira Ayuso struct flow_cls_common_offload common; 720b87f7936SYotam Gigi enum tc_matchall_command command; 721f00cbf19SPieter Jansen van Vuuren struct flow_rule *rule; 722b7fe4ab8SPieter Jansen van Vuuren struct flow_stats stats; 723b87f7936SYotam Gigi unsigned long cookie; 724b87f7936SYotam Gigi }; 725b87f7936SYotam Gigi 726332ae8e2SJakub Kicinski enum tc_clsbpf_command { 727102740bdSJakub Kicinski TC_CLSBPF_OFFLOAD, 72868d64063SJakub Kicinski TC_CLSBPF_STATS, 729332ae8e2SJakub Kicinski }; 730332ae8e2SJakub Kicinski 731332ae8e2SJakub Kicinski struct tc_cls_bpf_offload { 732f9e30088SPablo Neira Ayuso struct flow_cls_common_offload common; 733332ae8e2SJakub Kicinski enum tc_clsbpf_command command; 734332ae8e2SJakub Kicinski struct tcf_exts *exts; 735332ae8e2SJakub Kicinski struct bpf_prog *prog; 736102740bdSJakub Kicinski struct bpf_prog *oldprog; 737332ae8e2SJakub Kicinski const char *name; 738332ae8e2SJakub Kicinski bool exts_integrated; 739332ae8e2SJakub Kicinski }; 740332ae8e2SJakub Kicinski 7414e8b86c0SAmritha Nambiar struct tc_mqprio_qopt_offload { 7424e8b86c0SAmritha Nambiar /* struct tc_mqprio_qopt must always be the first element */ 7434e8b86c0SAmritha Nambiar struct tc_mqprio_qopt qopt; 7444e8b86c0SAmritha Nambiar u16 mode; 7454e8b86c0SAmritha Nambiar u16 shaper; 7464e8b86c0SAmritha Nambiar u32 flags; 7474e8b86c0SAmritha Nambiar u64 min_rate[TC_QOPT_MAX_QUEUE]; 7484e8b86c0SAmritha Nambiar u64 max_rate[TC_QOPT_MAX_QUEUE]; 7494e8b86c0SAmritha Nambiar }; 7501045ba77SJamal Hadi Salim 7511045ba77SJamal Hadi Salim /* This structure holds cookie structure that is passed from user 7521045ba77SJamal Hadi Salim * to the kernel for actions and classifiers 7531045ba77SJamal Hadi Salim */ 7541045ba77SJamal Hadi Salim struct tc_cookie { 7551045ba77SJamal Hadi Salim u8 *data; 7561045ba77SJamal Hadi Salim u32 len; 757eec94fdbSVlad Buslov struct rcu_head rcu; 7581045ba77SJamal Hadi Salim }; 759602f3bafSNogah Frankel 760f34b4aacSNogah Frankel struct tc_qopt_offload_stats { 761f34b4aacSNogah Frankel struct gnet_stats_basic_packed *bstats; 762f34b4aacSNogah Frankel struct gnet_stats_queue *qstats; 763f34b4aacSNogah Frankel }; 764f34b4aacSNogah Frankel 765f971b132SJakub Kicinski enum tc_mq_command { 766f971b132SJakub Kicinski TC_MQ_CREATE, 767f971b132SJakub Kicinski TC_MQ_DESTROY, 76847c669a4SJakub Kicinski TC_MQ_STATS, 769d577a3d2SJakub Kicinski TC_MQ_GRAFT, 770d577a3d2SJakub Kicinski }; 771d577a3d2SJakub Kicinski 772d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params { 773d577a3d2SJakub Kicinski unsigned long queue; 774d577a3d2SJakub Kicinski u32 child_handle; 775f971b132SJakub Kicinski }; 776f971b132SJakub Kicinski 777f971b132SJakub Kicinski struct tc_mq_qopt_offload { 778f971b132SJakub Kicinski enum tc_mq_command command; 779f971b132SJakub Kicinski u32 handle; 780d577a3d2SJakub Kicinski union { 78147c669a4SJakub Kicinski struct tc_qopt_offload_stats stats; 782d577a3d2SJakub Kicinski struct tc_mq_opt_offload_graft_params graft_params; 783d577a3d2SJakub Kicinski }; 784f971b132SJakub Kicinski }; 785f971b132SJakub Kicinski 786*d03b195bSMaxim Mikityanskiy enum tc_htb_command { 787*d03b195bSMaxim Mikityanskiy /* Root */ 788*d03b195bSMaxim Mikityanskiy TC_HTB_CREATE, /* Initialize HTB offload. */ 789*d03b195bSMaxim Mikityanskiy TC_HTB_DESTROY, /* Destroy HTB offload. */ 790*d03b195bSMaxim Mikityanskiy 791*d03b195bSMaxim Mikityanskiy /* Classes */ 792*d03b195bSMaxim Mikityanskiy /* Allocate qid and create leaf. */ 793*d03b195bSMaxim Mikityanskiy TC_HTB_LEAF_ALLOC_QUEUE, 794*d03b195bSMaxim Mikityanskiy /* Convert leaf to inner, preserve and return qid, create new leaf. */ 795*d03b195bSMaxim Mikityanskiy TC_HTB_LEAF_TO_INNER, 796*d03b195bSMaxim Mikityanskiy /* Delete leaf, while siblings remain. */ 797*d03b195bSMaxim Mikityanskiy TC_HTB_LEAF_DEL, 798*d03b195bSMaxim Mikityanskiy /* Delete leaf, convert parent to leaf, preserving qid. */ 799*d03b195bSMaxim Mikityanskiy TC_HTB_LEAF_DEL_LAST, 800*d03b195bSMaxim Mikityanskiy /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */ 801*d03b195bSMaxim Mikityanskiy TC_HTB_LEAF_DEL_LAST_FORCE, 802*d03b195bSMaxim Mikityanskiy /* Modify parameters of a node. */ 803*d03b195bSMaxim Mikityanskiy TC_HTB_NODE_MODIFY, 804*d03b195bSMaxim Mikityanskiy 805*d03b195bSMaxim Mikityanskiy /* Class qdisc */ 806*d03b195bSMaxim Mikityanskiy TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */ 807*d03b195bSMaxim Mikityanskiy }; 808*d03b195bSMaxim Mikityanskiy 809*d03b195bSMaxim Mikityanskiy struct tc_htb_qopt_offload { 810*d03b195bSMaxim Mikityanskiy struct netlink_ext_ack *extack; 811*d03b195bSMaxim Mikityanskiy enum tc_htb_command command; 812*d03b195bSMaxim Mikityanskiy u16 classid; 813*d03b195bSMaxim Mikityanskiy u32 parent_classid; 814*d03b195bSMaxim Mikityanskiy u16 qid; 815*d03b195bSMaxim Mikityanskiy u16 moved_qid; 816*d03b195bSMaxim Mikityanskiy u64 rate; 817*d03b195bSMaxim Mikityanskiy u64 ceil; 818*d03b195bSMaxim Mikityanskiy }; 819*d03b195bSMaxim Mikityanskiy 820*d03b195bSMaxim Mikityanskiy #define TC_HTB_CLASSID_ROOT U32_MAX 821*d03b195bSMaxim Mikityanskiy 822602f3bafSNogah Frankel enum tc_red_command { 823602f3bafSNogah Frankel TC_RED_REPLACE, 824602f3bafSNogah Frankel TC_RED_DESTROY, 825602f3bafSNogah Frankel TC_RED_STATS, 826602f3bafSNogah Frankel TC_RED_XSTATS, 827bf2a752bSJakub Kicinski TC_RED_GRAFT, 828602f3bafSNogah Frankel }; 829602f3bafSNogah Frankel 830602f3bafSNogah Frankel struct tc_red_qopt_offload_params { 831602f3bafSNogah Frankel u32 min; 832602f3bafSNogah Frankel u32 max; 833602f3bafSNogah Frankel u32 probability; 834c0b7490bSJakub Kicinski u32 limit; 835602f3bafSNogah Frankel bool is_ecn; 836190852a5SJakub Kicinski bool is_harddrop; 8370a7fad23SPetr Machata bool is_nodrop; 838416ef9b1SJakub Kicinski struct gnet_stats_queue *qstats; 839602f3bafSNogah Frankel }; 840602f3bafSNogah Frankel 841602f3bafSNogah Frankel struct tc_red_qopt_offload { 842602f3bafSNogah Frankel enum tc_red_command command; 843602f3bafSNogah Frankel u32 handle; 844602f3bafSNogah Frankel u32 parent; 845602f3bafSNogah Frankel union { 846602f3bafSNogah Frankel struct tc_red_qopt_offload_params set; 847f34b4aacSNogah Frankel struct tc_qopt_offload_stats stats; 848602f3bafSNogah Frankel struct red_stats *xstats; 849bf2a752bSJakub Kicinski u32 child_handle; 850602f3bafSNogah Frankel }; 851602f3bafSNogah Frankel }; 852602f3bafSNogah Frankel 853890d8d23SJakub Kicinski enum tc_gred_command { 854890d8d23SJakub Kicinski TC_GRED_REPLACE, 855890d8d23SJakub Kicinski TC_GRED_DESTROY, 856e49efd52SJakub Kicinski TC_GRED_STATS, 857890d8d23SJakub Kicinski }; 858890d8d23SJakub Kicinski 859890d8d23SJakub Kicinski struct tc_gred_vq_qopt_offload_params { 860890d8d23SJakub Kicinski bool present; 861890d8d23SJakub Kicinski u32 limit; 862890d8d23SJakub Kicinski u32 prio; 863890d8d23SJakub Kicinski u32 min; 864890d8d23SJakub Kicinski u32 max; 865890d8d23SJakub Kicinski bool is_ecn; 866890d8d23SJakub Kicinski bool is_harddrop; 867890d8d23SJakub Kicinski u32 probability; 868890d8d23SJakub Kicinski /* Only need backlog, see struct tc_prio_qopt_offload_params */ 869890d8d23SJakub Kicinski u32 *backlog; 870890d8d23SJakub Kicinski }; 871890d8d23SJakub Kicinski 872890d8d23SJakub Kicinski struct tc_gred_qopt_offload_params { 873890d8d23SJakub Kicinski bool grio_on; 874890d8d23SJakub Kicinski bool wred_on; 875890d8d23SJakub Kicinski unsigned int dp_cnt; 876890d8d23SJakub Kicinski unsigned int dp_def; 877890d8d23SJakub Kicinski struct gnet_stats_queue *qstats; 878890d8d23SJakub Kicinski struct tc_gred_vq_qopt_offload_params tab[MAX_DPs]; 879890d8d23SJakub Kicinski }; 880890d8d23SJakub Kicinski 881e49efd52SJakub Kicinski struct tc_gred_qopt_offload_stats { 882e49efd52SJakub Kicinski struct gnet_stats_basic_packed bstats[MAX_DPs]; 883e49efd52SJakub Kicinski struct gnet_stats_queue qstats[MAX_DPs]; 884e49efd52SJakub Kicinski struct red_stats *xstats[MAX_DPs]; 885e49efd52SJakub Kicinski }; 886e49efd52SJakub Kicinski 887890d8d23SJakub Kicinski struct tc_gred_qopt_offload { 888890d8d23SJakub Kicinski enum tc_gred_command command; 889890d8d23SJakub Kicinski u32 handle; 890890d8d23SJakub Kicinski u32 parent; 891890d8d23SJakub Kicinski union { 892890d8d23SJakub Kicinski struct tc_gred_qopt_offload_params set; 893e49efd52SJakub Kicinski struct tc_gred_qopt_offload_stats stats; 894890d8d23SJakub Kicinski }; 895890d8d23SJakub Kicinski }; 896890d8d23SJakub Kicinski 8977fdb61b4SNogah Frankel enum tc_prio_command { 8987fdb61b4SNogah Frankel TC_PRIO_REPLACE, 8997fdb61b4SNogah Frankel TC_PRIO_DESTROY, 9007fdb61b4SNogah Frankel TC_PRIO_STATS, 901b9c7a7acSNogah Frankel TC_PRIO_GRAFT, 9027fdb61b4SNogah Frankel }; 9037fdb61b4SNogah Frankel 9047fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params { 9057fdb61b4SNogah Frankel int bands; 9067fdb61b4SNogah Frankel u8 priomap[TC_PRIO_MAX + 1]; 9079586a992SPetr Machata /* At the point of un-offloading the Qdisc, the reported backlog and 9089586a992SPetr Machata * qlen need to be reduced by the portion that is in HW. 9097fdb61b4SNogah Frankel */ 9107fdb61b4SNogah Frankel struct gnet_stats_queue *qstats; 9117fdb61b4SNogah Frankel }; 9127fdb61b4SNogah Frankel 913b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params { 914b9c7a7acSNogah Frankel u8 band; 915b9c7a7acSNogah Frankel u32 child_handle; 916b9c7a7acSNogah Frankel }; 917b9c7a7acSNogah Frankel 9187fdb61b4SNogah Frankel struct tc_prio_qopt_offload { 9197fdb61b4SNogah Frankel enum tc_prio_command command; 9207fdb61b4SNogah Frankel u32 handle; 9217fdb61b4SNogah Frankel u32 parent; 9227fdb61b4SNogah Frankel union { 9237fdb61b4SNogah Frankel struct tc_prio_qopt_offload_params replace_params; 9247fdb61b4SNogah Frankel struct tc_qopt_offload_stats stats; 925b9c7a7acSNogah Frankel struct tc_prio_qopt_offload_graft_params graft_params; 9267fdb61b4SNogah Frankel }; 9277fdb61b4SNogah Frankel }; 928b9c7a7acSNogah Frankel 92998b0e5f6SJakub Kicinski enum tc_root_command { 93098b0e5f6SJakub Kicinski TC_ROOT_GRAFT, 93198b0e5f6SJakub Kicinski }; 93298b0e5f6SJakub Kicinski 93398b0e5f6SJakub Kicinski struct tc_root_qopt_offload { 93498b0e5f6SJakub Kicinski enum tc_root_command command; 93598b0e5f6SJakub Kicinski u32 handle; 93698b0e5f6SJakub Kicinski bool ingress; 93798b0e5f6SJakub Kicinski }; 93898b0e5f6SJakub Kicinski 939d35eb52bSPetr Machata enum tc_ets_command { 940d35eb52bSPetr Machata TC_ETS_REPLACE, 941d35eb52bSPetr Machata TC_ETS_DESTROY, 942d35eb52bSPetr Machata TC_ETS_STATS, 943d35eb52bSPetr Machata TC_ETS_GRAFT, 944d35eb52bSPetr Machata }; 945d35eb52bSPetr Machata 946d35eb52bSPetr Machata struct tc_ets_qopt_offload_replace_params { 947d35eb52bSPetr Machata unsigned int bands; 948d35eb52bSPetr Machata u8 priomap[TC_PRIO_MAX + 1]; 949d35eb52bSPetr Machata unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */ 950d35eb52bSPetr Machata unsigned int weights[TCQ_ETS_MAX_BANDS]; 951d35eb52bSPetr Machata struct gnet_stats_queue *qstats; 952d35eb52bSPetr Machata }; 953d35eb52bSPetr Machata 954d35eb52bSPetr Machata struct tc_ets_qopt_offload_graft_params { 955d35eb52bSPetr Machata u8 band; 956d35eb52bSPetr Machata u32 child_handle; 957d35eb52bSPetr Machata }; 958d35eb52bSPetr Machata 959d35eb52bSPetr Machata struct tc_ets_qopt_offload { 960d35eb52bSPetr Machata enum tc_ets_command command; 961d35eb52bSPetr Machata u32 handle; 962d35eb52bSPetr Machata u32 parent; 963d35eb52bSPetr Machata union { 964d35eb52bSPetr Machata struct tc_ets_qopt_offload_replace_params replace_params; 965d35eb52bSPetr Machata struct tc_qopt_offload_stats stats; 966d35eb52bSPetr Machata struct tc_ets_qopt_offload_graft_params graft_params; 967d35eb52bSPetr Machata }; 968d35eb52bSPetr Machata }; 969d35eb52bSPetr Machata 970ef6aadccSPetr Machata enum tc_tbf_command { 971ef6aadccSPetr Machata TC_TBF_REPLACE, 972ef6aadccSPetr Machata TC_TBF_DESTROY, 973ef6aadccSPetr Machata TC_TBF_STATS, 974ef6aadccSPetr Machata }; 975ef6aadccSPetr Machata 976ef6aadccSPetr Machata struct tc_tbf_qopt_offload_replace_params { 977ef6aadccSPetr Machata struct psched_ratecfg rate; 978ef6aadccSPetr Machata u32 max_size; 979ef6aadccSPetr Machata struct gnet_stats_queue *qstats; 980ef6aadccSPetr Machata }; 981ef6aadccSPetr Machata 982ef6aadccSPetr Machata struct tc_tbf_qopt_offload { 983ef6aadccSPetr Machata enum tc_tbf_command command; 984ef6aadccSPetr Machata u32 handle; 985ef6aadccSPetr Machata u32 parent; 986ef6aadccSPetr Machata union { 987ef6aadccSPetr Machata struct tc_tbf_qopt_offload_replace_params replace_params; 988ef6aadccSPetr Machata struct tc_qopt_offload_stats stats; 989ef6aadccSPetr Machata }; 990ef6aadccSPetr Machata }; 991ef6aadccSPetr Machata 992aaca9408SPetr Machata enum tc_fifo_command { 993aaca9408SPetr Machata TC_FIFO_REPLACE, 994aaca9408SPetr Machata TC_FIFO_DESTROY, 995aaca9408SPetr Machata TC_FIFO_STATS, 996aaca9408SPetr Machata }; 997aaca9408SPetr Machata 998aaca9408SPetr Machata struct tc_fifo_qopt_offload { 999aaca9408SPetr Machata enum tc_fifo_command command; 1000aaca9408SPetr Machata u32 handle; 1001aaca9408SPetr Machata u32 parent; 1002aaca9408SPetr Machata union { 1003aaca9408SPetr Machata struct tc_qopt_offload_stats stats; 1004aaca9408SPetr Machata }; 1005aaca9408SPetr Machata }; 1006aaca9408SPetr Machata 10071da177e4SLinus Torvalds #endif 1008