Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #ifndef __NET_PKT_CLS_H |
| 3 | #define __NET_PKT_CLS_H |
| 4 | |
| 5 | #include <linux/pkt_cls.h> |
Cong Wang | 7aa0045 | 2017-10-26 18:24:28 -0700 | [diff] [blame] | 6 | #include <linux/workqueue.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | #include <net/sch_generic.h> |
| 8 | #include <net/act_api.h> |
Jiri Pirko | a514862 | 2019-06-15 11:03:49 +0200 | [diff] [blame] | 9 | #include <net/net_namespace.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
Paolo Abeni | cd11b164 | 2018-07-30 14:30:44 +0200 | [diff] [blame] | 11 | /* TC action not accessible from user space */ |
John Hurley | 720f22f | 2019-06-24 23:13:35 +0100 | [diff] [blame] | 12 | #define TC_ACT_CONSUMED (TC_ACT_VALUE_MAX + 1) |
Paolo Abeni | cd11b164 | 2018-07-30 14:30:44 +0200 | [diff] [blame] | 13 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | /* Basic packet classifier frontend definitions. */ |
| 15 | |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 16 | struct tcf_walker { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | int stop; |
| 18 | int skip; |
| 19 | int count; |
Vlad Buslov | 6676d5e | 2019-02-25 17:38:31 +0200 | [diff] [blame] | 20 | bool nonempty; |
Vlad Buslov | 01683a1 | 2018-07-09 13:29:11 +0300 | [diff] [blame] | 21 | unsigned long cookie; |
WANG Cong | 8113c09 | 2017-08-04 21:31:43 -0700 | [diff] [blame] | 22 | int (*fn)(struct tcf_proto *, void *node, struct tcf_walker *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | }; |
| 24 | |
Joe Perches | 5c15257 | 2013-07-30 22:47:13 -0700 | [diff] [blame] | 25 | int register_tcf_proto_ops(struct tcf_proto_ops *ops); |
| 26 | int unregister_tcf_proto_ops(struct tcf_proto_ops *ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 28 | struct tcf_block_ext_info { |
Pablo Neira Ayuso | 32f8c40 | 2019-07-09 22:55:41 +0200 | [diff] [blame] | 29 | enum flow_block_binder_type binder_type; |
Jiri Pirko | c7eb7d7 | 2017-11-03 11:46:24 +0100 | [diff] [blame] | 30 | tcf_chain_head_change_t *chain_head_change; |
| 31 | void *chain_head_change_priv; |
Jiri Pirko | 4861738 | 2018-01-17 11:46:46 +0100 | [diff] [blame] | 32 | u32 block_index; |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 33 | }; |
| 34 | |
Petr Machata | 3625750 | 2020-06-27 01:45:26 +0300 | [diff] [blame] | 35 | struct tcf_qevent { |
| 36 | struct tcf_block *block; |
| 37 | struct tcf_block_ext_info info; |
| 38 | struct tcf_proto __rcu *filter_chain; |
| 39 | }; |
| 40 | |
Jiri Pirko | acb6744 | 2017-10-19 15:50:31 +0200 | [diff] [blame] | 41 | struct tcf_block_cb; |
Cong Wang | aaa908f | 2018-05-23 15:26:53 -0700 | [diff] [blame] | 42 | bool tcf_queue_work(struct rcu_work *rwork, work_func_t func); |
Jiri Pirko | acb6744 | 2017-10-19 15:50:31 +0200 | [diff] [blame] | 43 | |
Jiri Pirko | 8ae7003 | 2017-02-15 11:57:50 +0100 | [diff] [blame] | 44 | #ifdef CONFIG_NET_CLS |
Jiri Pirko | 1f3ed38 | 2018-07-27 09:45:05 +0200 | [diff] [blame] | 45 | struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block, |
| 46 | u32 chain_index); |
Jiri Pirko | 1f3ed38 | 2018-07-27 09:45:05 +0200 | [diff] [blame] | 47 | void tcf_chain_put_by_act(struct tcf_chain *chain); |
Vlad Buslov | bbf7383 | 2019-02-11 10:55:36 +0200 | [diff] [blame] | 48 | struct tcf_chain *tcf_get_next_chain(struct tcf_block *block, |
| 49 | struct tcf_chain *chain); |
Vlad Buslov | fe2923a | 2019-02-11 10:55:40 +0200 | [diff] [blame] | 50 | struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain, |
Vlad Buslov | 0fca55e | 2020-11-27 17:12:05 +0200 | [diff] [blame] | 51 | struct tcf_proto *tp); |
Jiri Pirko | f36fe1c | 2018-01-17 11:46:48 +0100 | [diff] [blame] | 52 | void tcf_block_netif_keep_dst(struct tcf_block *block); |
Jiri Pirko | 6529eab | 2017-05-17 11:07:55 +0200 | [diff] [blame] | 53 | int tcf_block_get(struct tcf_block **p_block, |
Alexander Aring | 8d1a77f | 2017-12-20 12:35:19 -0500 | [diff] [blame] | 54 | struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, |
| 55 | struct netlink_ext_ack *extack); |
Jiri Pirko | c7eb7d7 | 2017-11-03 11:46:24 +0100 | [diff] [blame] | 56 | int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, |
Alexander Aring | 8d1a77f | 2017-12-20 12:35:19 -0500 | [diff] [blame] | 57 | struct tcf_block_ext_info *ei, |
| 58 | struct netlink_ext_ack *extack); |
Jiri Pirko | 6529eab | 2017-05-17 11:07:55 +0200 | [diff] [blame] | 59 | void tcf_block_put(struct tcf_block *block); |
Jiri Pirko | c7eb7d7 | 2017-11-03 11:46:24 +0100 | [diff] [blame] | 60 | void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 61 | struct tcf_block_ext_info *ei); |
Jiri Pirko | 4418646 | 2017-10-13 14:00:59 +0200 | [diff] [blame] | 62 | |
Jiri Pirko | 4861738 | 2018-01-17 11:46:46 +0100 | [diff] [blame] | 63 | static inline bool tcf_block_shared(struct tcf_block *block) |
| 64 | { |
| 65 | return block->index; |
| 66 | } |
| 67 | |
Vlad Buslov | c1a970d | 2019-07-10 20:12:29 +0300 | [diff] [blame] | 68 | static inline bool tcf_block_non_null_shared(struct tcf_block *block) |
| 69 | { |
| 70 | return block && block->index; |
| 71 | } |
| 72 | |
Jiri Pirko | 4418646 | 2017-10-13 14:00:59 +0200 | [diff] [blame] | 73 | static inline struct Qdisc *tcf_block_q(struct tcf_block *block) |
| 74 | { |
Jiri Pirko | 4861738 | 2018-01-17 11:46:46 +0100 | [diff] [blame] | 75 | WARN_ON(tcf_block_shared(block)); |
Jiri Pirko | 4418646 | 2017-10-13 14:00:59 +0200 | [diff] [blame] | 76 | return block->q; |
| 77 | } |
| 78 | |
Davide Caratti | 3aa2605 | 2021-07-28 20:08:00 +0200 | [diff] [blame] | 79 | int tcf_classify(struct sk_buff *skb, |
| 80 | const struct tcf_block *block, |
| 81 | const struct tcf_proto *tp, struct tcf_result *res, |
| 82 | bool compat_mode); |
Jiri Pirko | 87d8309 | 2017-05-17 11:07:54 +0200 | [diff] [blame] | 83 | |
Jiri Pirko | 8ae7003 | 2017-02-15 11:57:50 +0100 | [diff] [blame] | 84 | #else |
Pieter Jansen van Vuuren | 88c44a5 | 2019-05-04 04:46:25 -0700 | [diff] [blame] | 85 | static inline bool tcf_block_shared(struct tcf_block *block) |
| 86 | { |
| 87 | return false; |
| 88 | } |
| 89 | |
Vlad Buslov | c1a970d | 2019-07-10 20:12:29 +0300 | [diff] [blame] | 90 | static inline bool tcf_block_non_null_shared(struct tcf_block *block) |
| 91 | { |
| 92 | return false; |
| 93 | } |
| 94 | |
Jiri Pirko | 6529eab | 2017-05-17 11:07:55 +0200 | [diff] [blame] | 95 | static inline |
| 96 | int tcf_block_get(struct tcf_block **p_block, |
Sudip Mukherjee | 3c14909 | 2017-12-22 15:52:05 +0000 | [diff] [blame] | 97 | struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q, |
| 98 | struct netlink_ext_ack *extack) |
Jiri Pirko | 6529eab | 2017-05-17 11:07:55 +0200 | [diff] [blame] | 99 | { |
| 100 | return 0; |
| 101 | } |
| 102 | |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 103 | static inline |
Jiri Pirko | c7eb7d7 | 2017-11-03 11:46:24 +0100 | [diff] [blame] | 104 | int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q, |
Quentin Monnet | 33c30a8 | 2018-01-03 17:30:45 -0800 | [diff] [blame] | 105 | struct tcf_block_ext_info *ei, |
| 106 | struct netlink_ext_ack *extack) |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 107 | { |
| 108 | return 0; |
| 109 | } |
| 110 | |
Jiri Pirko | 6529eab | 2017-05-17 11:07:55 +0200 | [diff] [blame] | 111 | static inline void tcf_block_put(struct tcf_block *block) |
Jiri Pirko | 8ae7003 | 2017-02-15 11:57:50 +0100 | [diff] [blame] | 112 | { |
| 113 | } |
Jiri Pirko | 87d8309 | 2017-05-17 11:07:54 +0200 | [diff] [blame] | 114 | |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 115 | static inline |
Jiri Pirko | c7eb7d7 | 2017-11-03 11:46:24 +0100 | [diff] [blame] | 116 | void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, |
Jiri Pirko | 8c4083b | 2017-10-19 15:50:29 +0200 | [diff] [blame] | 117 | struct tcf_block_ext_info *ei) |
| 118 | { |
| 119 | } |
| 120 | |
Jiri Pirko | 4418646 | 2017-10-13 14:00:59 +0200 | [diff] [blame] | 121 | static inline struct Qdisc *tcf_block_q(struct tcf_block *block) |
| 122 | { |
| 123 | return NULL; |
| 124 | } |
| 125 | |
Jiri Pirko | acb6744 | 2017-10-19 15:50:31 +0200 | [diff] [blame] | 126 | static inline |
Pablo Neira Ayuso | a732331 | 2019-07-19 18:20:15 +0200 | [diff] [blame] | 127 | int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb, |
Jiri Pirko | acb6744 | 2017-10-19 15:50:31 +0200 | [diff] [blame] | 128 | void *cb_priv) |
| 129 | { |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | static inline |
Pablo Neira Ayuso | a732331 | 2019-07-19 18:20:15 +0200 | [diff] [blame] | 134 | void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb, |
Jiri Pirko | acb6744 | 2017-10-19 15:50:31 +0200 | [diff] [blame] | 135 | void *cb_priv) |
| 136 | { |
| 137 | } |
| 138 | |
Davide Caratti | 3aa2605 | 2021-07-28 20:08:00 +0200 | [diff] [blame] | 139 | static inline int tcf_classify(struct sk_buff *skb, |
| 140 | const struct tcf_block *block, |
| 141 | const struct tcf_proto *tp, |
Jiri Pirko | 87d8309 | 2017-05-17 11:07:54 +0200 | [diff] [blame] | 142 | struct tcf_result *res, bool compat_mode) |
| 143 | { |
| 144 | return TC_ACT_UNSPEC; |
| 145 | } |
Paul Blakey | 9410c94 | 2020-02-16 12:01:21 +0200 | [diff] [blame] | 146 | |
Jiri Pirko | 8ae7003 | 2017-02-15 11:57:50 +0100 | [diff] [blame] | 147 | #endif |
Jiri Pirko | cf1facd | 2017-02-09 14:38:56 +0100 | [diff] [blame] | 148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | static inline unsigned long |
| 150 | __cls_set_class(unsigned long *clp, unsigned long cl) |
| 151 | { |
WANG Cong | a0efb80 | 2014-09-30 16:07:24 -0700 | [diff] [blame] | 152 | return xchg(clp, cl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | } |
| 154 | |
Cong Wang | 2e24cd7 | 2020-01-23 16:26:18 -0800 | [diff] [blame] | 155 | static inline void |
| 156 | __tcf_bind_filter(struct Qdisc *q, struct tcf_result *r, unsigned long base) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | { |
Cong Wang | 2e24cd7 | 2020-01-23 16:26:18 -0800 | [diff] [blame] | 158 | unsigned long cl; |
Jiri Pirko | 34e3759 | 2017-10-13 14:01:00 +0200 | [diff] [blame] | 159 | |
Cong Wang | 2e24cd7 | 2020-01-23 16:26:18 -0800 | [diff] [blame] | 160 | cl = q->ops->cl_ops->bind_tcf(q, base, r->classid); |
| 161 | cl = __cls_set_class(&r->class, cl); |
| 162 | if (cl) |
| 163 | q->ops->cl_ops->unbind_tcf(q, cl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | static inline void |
| 167 | tcf_bind_filter(struct tcf_proto *tp, struct tcf_result *r, unsigned long base) |
| 168 | { |
Jiri Pirko | 34e3759 | 2017-10-13 14:01:00 +0200 | [diff] [blame] | 169 | struct Qdisc *q = tp->chain->block->q; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | |
Jiri Pirko | 34e3759 | 2017-10-13 14:01:00 +0200 | [diff] [blame] | 171 | /* Check q as it is not set for shared blocks. In that case, |
| 172 | * setting class is not supported. |
| 173 | */ |
| 174 | if (!q) |
| 175 | return; |
Cong Wang | 2e24cd7 | 2020-01-23 16:26:18 -0800 | [diff] [blame] | 176 | sch_tree_lock(q); |
| 177 | __tcf_bind_filter(q, r, base); |
| 178 | sch_tree_unlock(q); |
| 179 | } |
| 180 | |
| 181 | static inline void |
| 182 | __tcf_unbind_filter(struct Qdisc *q, struct tcf_result *r) |
| 183 | { |
| 184 | unsigned long cl; |
| 185 | |
| 186 | if ((cl = __cls_set_class(&r->class, 0)) != 0) |
Jiri Pirko | 34e3759 | 2017-10-13 14:01:00 +0200 | [diff] [blame] | 187 | q->ops->cl_ops->unbind_tcf(q, cl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | static inline void |
| 191 | tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r) |
| 192 | { |
Jiri Pirko | 34e3759 | 2017-10-13 14:01:00 +0200 | [diff] [blame] | 193 | struct Qdisc *q = tp->chain->block->q; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | |
Jiri Pirko | 34e3759 | 2017-10-13 14:01:00 +0200 | [diff] [blame] | 195 | if (!q) |
| 196 | return; |
Cong Wang | 2e24cd7 | 2020-01-23 16:26:18 -0800 | [diff] [blame] | 197 | __tcf_unbind_filter(q, r); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 200 | struct tcf_exts { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | #ifdef CONFIG_NET_CLS_ACT |
WANG Cong | 33be627 | 2013-12-15 20:15:05 -0800 | [diff] [blame] | 202 | __u32 type; /* for backward compat(TCA_OLD_COMPAT) */ |
WANG Cong | 22dc13c | 2016-08-13 22:35:00 -0700 | [diff] [blame] | 203 | int nr_actions; |
| 204 | struct tc_action **actions; |
Cong Wang | e4b95c4 | 2017-11-06 13:47:19 -0800 | [diff] [blame] | 205 | struct net *net; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | #endif |
WANG Cong | 5da57f4 | 2013-12-15 20:15:07 -0800 | [diff] [blame] | 207 | /* Map to export classifier specific extension TLV types to the |
| 208 | * generic extensions API. Unsupported extensions must be set to 0. |
| 209 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | int action; |
| 211 | int police; |
| 212 | }; |
| 213 | |
Cong Wang | 1421510 | 2019-02-20 21:37:42 -0800 | [diff] [blame] | 214 | static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net, |
| 215 | int action, int police) |
WANG Cong | 33be627 | 2013-12-15 20:15:05 -0800 | [diff] [blame] | 216 | { |
| 217 | #ifdef CONFIG_NET_CLS_ACT |
WANG Cong | 5da57f4 | 2013-12-15 20:15:07 -0800 | [diff] [blame] | 218 | exts->type = 0; |
WANG Cong | 22dc13c | 2016-08-13 22:35:00 -0700 | [diff] [blame] | 219 | exts->nr_actions = 0; |
Cong Wang | 1421510 | 2019-02-20 21:37:42 -0800 | [diff] [blame] | 220 | exts->net = net; |
WANG Cong | 22dc13c | 2016-08-13 22:35:00 -0700 | [diff] [blame] | 221 | exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *), |
| 222 | GFP_KERNEL); |
WANG Cong | b9a24bb | 2016-08-19 12:36:54 -0700 | [diff] [blame] | 223 | if (!exts->actions) |
| 224 | return -ENOMEM; |
WANG Cong | 33be627 | 2013-12-15 20:15:05 -0800 | [diff] [blame] | 225 | #endif |
WANG Cong | 5da57f4 | 2013-12-15 20:15:07 -0800 | [diff] [blame] | 226 | exts->action = action; |
| 227 | exts->police = police; |
WANG Cong | b9a24bb | 2016-08-19 12:36:54 -0700 | [diff] [blame] | 228 | return 0; |
WANG Cong | 33be627 | 2013-12-15 20:15:05 -0800 | [diff] [blame] | 229 | } |
| 230 | |
Cong Wang | e4b95c4 | 2017-11-06 13:47:19 -0800 | [diff] [blame] | 231 | /* Return false if the netns is being destroyed in cleanup_net(). Callers |
| 232 | * need to do cleanup synchronously in this case, otherwise may race with |
| 233 | * tc_action_net_exit(). Return true for other cases. |
| 234 | */ |
| 235 | static inline bool tcf_exts_get_net(struct tcf_exts *exts) |
| 236 | { |
| 237 | #ifdef CONFIG_NET_CLS_ACT |
| 238 | exts->net = maybe_get_net(exts->net); |
| 239 | return exts->net != NULL; |
| 240 | #else |
| 241 | return true; |
| 242 | #endif |
| 243 | } |
| 244 | |
| 245 | static inline void tcf_exts_put_net(struct tcf_exts *exts) |
| 246 | { |
| 247 | #ifdef CONFIG_NET_CLS_ACT |
| 248 | if (exts->net) |
| 249 | put_net(exts->net); |
| 250 | #endif |
| 251 | } |
| 252 | |
WANG Cong | 22dc13c | 2016-08-13 22:35:00 -0700 | [diff] [blame] | 253 | #ifdef CONFIG_NET_CLS_ACT |
Cong Wang | 244cd96 | 2018-08-19 12:22:09 -0700 | [diff] [blame] | 254 | #define tcf_exts_for_each_action(i, a, exts) \ |
| 255 | for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = (exts)->actions[i]); i++) |
| 256 | #else |
| 257 | #define tcf_exts_for_each_action(i, a, exts) \ |
Arnd Bergmann | 191672c | 2018-08-22 17:25:44 +0200 | [diff] [blame] | 258 | for (; 0; (void)(i), (void)(a), (void)(exts)) |
WANG Cong | 22dc13c | 2016-08-13 22:35:00 -0700 | [diff] [blame] | 259 | #endif |
WANG Cong | 22dc13c | 2016-08-13 22:35:00 -0700 | [diff] [blame] | 260 | |
Jakub Kicinski | d897a63 | 2017-05-31 08:06:43 -0700 | [diff] [blame] | 261 | static inline void |
| 262 | tcf_exts_stats_update(const struct tcf_exts *exts, |
Po Liu | 4b61d3e | 2020-06-19 14:01:07 +0800 | [diff] [blame] | 263 | u64 bytes, u64 packets, u64 drops, u64 lastuse, |
Jiri Pirko | 93a129e | 2020-03-28 16:37:43 +0100 | [diff] [blame] | 264 | u8 used_hw_stats, bool used_hw_stats_valid) |
Jakub Kicinski | d897a63 | 2017-05-31 08:06:43 -0700 | [diff] [blame] | 265 | { |
| 266 | #ifdef CONFIG_NET_CLS_ACT |
| 267 | int i; |
| 268 | |
| 269 | preempt_disable(); |
| 270 | |
| 271 | for (i = 0; i < exts->nr_actions; i++) { |
| 272 | struct tc_action *a = exts->actions[i]; |
| 273 | |
Po Liu | 4b61d3e | 2020-06-19 14:01:07 +0800 | [diff] [blame] | 274 | tcf_action_stats_update(a, bytes, packets, drops, |
| 275 | lastuse, true); |
Jiri Pirko | 93a129e | 2020-03-28 16:37:43 +0100 | [diff] [blame] | 276 | a->used_hw_stats = used_hw_stats; |
| 277 | a->used_hw_stats_valid = used_hw_stats_valid; |
Jakub Kicinski | d897a63 | 2017-05-31 08:06:43 -0700 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | preempt_enable(); |
| 281 | #endif |
| 282 | } |
| 283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | /** |
Jiri Pirko | 3bcc0ce | 2017-08-04 14:28:58 +0200 | [diff] [blame] | 285 | * tcf_exts_has_actions - check if at least one action is present |
| 286 | * @exts: tc filter extensions handle |
| 287 | * |
| 288 | * Returns true if at least one action is present. |
| 289 | */ |
| 290 | static inline bool tcf_exts_has_actions(struct tcf_exts *exts) |
| 291 | { |
WANG Cong | 2734437e | 2016-08-13 22:34:59 -0700 | [diff] [blame] | 292 | #ifdef CONFIG_NET_CLS_ACT |
Jiri Pirko | 3bcc0ce | 2017-08-04 14:28:58 +0200 | [diff] [blame] | 293 | return exts->nr_actions; |
| 294 | #else |
| 295 | return false; |
| 296 | #endif |
| 297 | } |
WANG Cong | 2734437e | 2016-08-13 22:34:59 -0700 | [diff] [blame] | 298 | |
Jiri Pirko | 3bcc0ce | 2017-08-04 14:28:58 +0200 | [diff] [blame] | 299 | /** |
Jiri Pirko | af69afc | 2017-08-04 14:28:59 +0200 | [diff] [blame] | 300 | * tcf_exts_exec - execute tc filter extensions |
| 301 | * @skb: socket buffer |
| 302 | * @exts: tc filter extensions handle |
| 303 | * @res: desired result |
| 304 | * |
Jiri Pirko | af089e7 | 2017-08-04 14:29:01 +0200 | [diff] [blame] | 305 | * Executes all configured extensions. Returns TC_ACT_OK on a normal execution, |
Jiri Pirko | af69afc | 2017-08-04 14:28:59 +0200 | [diff] [blame] | 306 | * a negative number if the filter must be considered unmatched or |
| 307 | * a positive action code (TC_ACT_*) which must be returned to the |
| 308 | * underlying layer. |
| 309 | */ |
| 310 | static inline int |
| 311 | tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts, |
| 312 | struct tcf_result *res) |
| 313 | { |
| 314 | #ifdef CONFIG_NET_CLS_ACT |
Jiri Pirko | ec1a9cc | 2017-08-04 14:29:02 +0200 | [diff] [blame] | 315 | return tcf_action_exec(skb, exts->actions, exts->nr_actions, res); |
Jiri Pirko | af69afc | 2017-08-04 14:28:59 +0200 | [diff] [blame] | 316 | #endif |
Jiri Pirko | af089e7 | 2017-08-04 14:29:01 +0200 | [diff] [blame] | 317 | return TC_ACT_OK; |
Jiri Pirko | af69afc | 2017-08-04 14:28:59 +0200 | [diff] [blame] | 318 | } |
| 319 | |
Joe Perches | 5c15257 | 2013-07-30 22:47:13 -0700 | [diff] [blame] | 320 | int tcf_exts_validate(struct net *net, struct tcf_proto *tp, |
| 321 | struct nlattr **tb, struct nlattr *rate_tlv, |
Cong Wang | 695176b | 2021-07-29 16:12:14 -0700 | [diff] [blame] | 322 | struct tcf_exts *exts, u32 flags, |
Alexander Aring | 50a5619 | 2018-01-18 11:20:52 -0500 | [diff] [blame] | 323 | struct netlink_ext_ack *extack); |
WANG Cong | 18d0264 | 2014-09-25 10:26:37 -0700 | [diff] [blame] | 324 | void tcf_exts_destroy(struct tcf_exts *exts); |
Jiri Pirko | 9b0d444 | 2017-08-04 14:29:15 +0200 | [diff] [blame] | 325 | void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src); |
WANG Cong | 5da57f4 | 2013-12-15 20:15:07 -0800 | [diff] [blame] | 326 | int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts); |
Vlad Buslov | ca44b73 | 2020-05-15 14:40:12 +0300 | [diff] [blame] | 327 | int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts); |
WANG Cong | 5da57f4 | 2013-12-15 20:15:07 -0800 | [diff] [blame] | 328 | int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | |
| 330 | /** |
| 331 | * struct tcf_pkt_info - packet information |
Bijie Xu | 0161d15 | 2021-08-03 11:40:19 +0200 | [diff] [blame] | 332 | * |
| 333 | * @ptr: start of the pkt data |
| 334 | * @nexthdr: offset of the next header |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | */ |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 336 | struct tcf_pkt_info { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | unsigned char * ptr; |
| 338 | int nexthdr; |
| 339 | }; |
| 340 | |
| 341 | #ifdef CONFIG_NET_EMATCH |
| 342 | |
| 343 | struct tcf_ematch_ops; |
| 344 | |
| 345 | /** |
| 346 | * struct tcf_ematch - extended match (ematch) |
| 347 | * |
| 348 | * @matchid: identifier to allow userspace to reidentify a match |
| 349 | * @flags: flags specifying attributes and the relation to other matches |
| 350 | * @ops: the operations lookup table of the corresponding ematch module |
| 351 | * @datalen: length of the ematch specific configuration data |
| 352 | * @data: ematch specific data |
Bijie Xu | 0161d15 | 2021-08-03 11:40:19 +0200 | [diff] [blame] | 353 | * @net: the network namespace |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | */ |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 355 | struct tcf_ematch { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | struct tcf_ematch_ops * ops; |
| 357 | unsigned long data; |
| 358 | unsigned int datalen; |
| 359 | u16 matchid; |
| 360 | u16 flags; |
John Fastabend | 82a470f | 2014-10-05 21:27:53 -0700 | [diff] [blame] | 361 | struct net *net; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | }; |
| 363 | |
| 364 | static inline int tcf_em_is_container(struct tcf_ematch *em) |
| 365 | { |
| 366 | return !em->ops; |
| 367 | } |
| 368 | |
| 369 | static inline int tcf_em_is_simple(struct tcf_ematch *em) |
| 370 | { |
| 371 | return em->flags & TCF_EM_SIMPLE; |
| 372 | } |
| 373 | |
| 374 | static inline int tcf_em_is_inverted(struct tcf_ematch *em) |
| 375 | { |
| 376 | return em->flags & TCF_EM_INVERT; |
| 377 | } |
| 378 | |
| 379 | static inline int tcf_em_last_match(struct tcf_ematch *em) |
| 380 | { |
| 381 | return (em->flags & TCF_EM_REL_MASK) == TCF_EM_REL_END; |
| 382 | } |
| 383 | |
| 384 | static inline int tcf_em_early_end(struct tcf_ematch *em, int result) |
| 385 | { |
| 386 | if (tcf_em_last_match(em)) |
| 387 | return 1; |
| 388 | |
| 389 | if (result == 0 && em->flags & TCF_EM_REL_AND) |
| 390 | return 1; |
| 391 | |
| 392 | if (result != 0 && em->flags & TCF_EM_REL_OR) |
| 393 | return 1; |
| 394 | |
| 395 | return 0; |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * struct tcf_ematch_tree - ematch tree handle |
| 400 | * |
| 401 | * @hdr: ematch tree header supplied by userspace |
| 402 | * @matches: array of ematches |
| 403 | */ |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 404 | struct tcf_ematch_tree { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | struct tcf_ematch_tree_hdr hdr; |
| 406 | struct tcf_ematch * matches; |
| 407 | |
| 408 | }; |
| 409 | |
| 410 | /** |
| 411 | * struct tcf_ematch_ops - ematch module operations |
| 412 | * |
| 413 | * @kind: identifier (kind) of this ematch module |
| 414 | * @datalen: length of expected configuration data (optional) |
| 415 | * @change: called during validation (optional) |
| 416 | * @match: called during ematch tree evaluation, must return 1/0 |
| 417 | * @destroy: called during destroyage (optional) |
| 418 | * @dump: called during dumping process (optional) |
| 419 | * @owner: owner, must be set to THIS_MODULE |
| 420 | * @link: link to previous/next ematch module (internal use) |
| 421 | */ |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 422 | struct tcf_ematch_ops { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | int kind; |
| 424 | int datalen; |
John Fastabend | 82a470f | 2014-10-05 21:27:53 -0700 | [diff] [blame] | 425 | int (*change)(struct net *net, void *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | int, struct tcf_ematch *); |
| 427 | int (*match)(struct sk_buff *, struct tcf_ematch *, |
| 428 | struct tcf_pkt_info *); |
John Fastabend | 82a470f | 2014-10-05 21:27:53 -0700 | [diff] [blame] | 429 | void (*destroy)(struct tcf_ematch *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | int (*dump)(struct sk_buff *, struct tcf_ematch *); |
| 431 | struct module *owner; |
| 432 | struct list_head link; |
| 433 | }; |
| 434 | |
Joe Perches | 5c15257 | 2013-07-30 22:47:13 -0700 | [diff] [blame] | 435 | int tcf_em_register(struct tcf_ematch_ops *); |
| 436 | void tcf_em_unregister(struct tcf_ematch_ops *); |
| 437 | int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *, |
| 438 | struct tcf_ematch_tree *); |
John Fastabend | 82a470f | 2014-10-05 21:27:53 -0700 | [diff] [blame] | 439 | void tcf_em_tree_destroy(struct tcf_ematch_tree *); |
Joe Perches | 5c15257 | 2013-07-30 22:47:13 -0700 | [diff] [blame] | 440 | int tcf_em_tree_dump(struct sk_buff *, struct tcf_ematch_tree *, int); |
| 441 | int __tcf_em_tree_match(struct sk_buff *, struct tcf_ematch_tree *, |
| 442 | struct tcf_pkt_info *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | |
| 444 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | * tcf_em_tree_match - evaulate an ematch tree |
| 446 | * |
| 447 | * @skb: socket buffer of the packet in question |
| 448 | * @tree: ematch tree to be used for evaluation |
| 449 | * @info: packet information examined by classifier |
| 450 | * |
| 451 | * This function matches @skb against the ematch tree in @tree by going |
| 452 | * through all ematches respecting their logic relations returning |
| 453 | * as soon as the result is obvious. |
| 454 | * |
| 455 | * Returns 1 if the ematch tree as-one matches, no ematches are configured |
| 456 | * or ematch is not enabled in the kernel, otherwise 0 is returned. |
| 457 | */ |
| 458 | static inline int tcf_em_tree_match(struct sk_buff *skb, |
| 459 | struct tcf_ematch_tree *tree, |
| 460 | struct tcf_pkt_info *info) |
| 461 | { |
| 462 | if (tree->hdr.nmatches) |
| 463 | return __tcf_em_tree_match(skb, tree, info); |
| 464 | else |
| 465 | return 1; |
| 466 | } |
| 467 | |
Patrick McHardy | db3d99c | 2007-07-11 19:46:26 -0700 | [diff] [blame] | 468 | #define MODULE_ALIAS_TCF_EMATCH(kind) MODULE_ALIAS("ematch-kind-" __stringify(kind)) |
| 469 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | #else /* CONFIG_NET_EMATCH */ |
| 471 | |
Eric Dumazet | fd2c3ef | 2009-11-03 03:26:03 +0000 | [diff] [blame] | 472 | struct tcf_ematch_tree { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | }; |
| 474 | |
| 475 | #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0) |
John Fastabend | 82a470f | 2014-10-05 21:27:53 -0700 | [diff] [blame] | 476 | #define tcf_em_tree_destroy(t) do { (void)(t); } while(0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | #define tcf_em_tree_dump(skb, t, tlv) (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | #define tcf_em_tree_match(skb, t, info) ((void)(info), 1) |
| 479 | |
| 480 | #endif /* CONFIG_NET_EMATCH */ |
| 481 | |
| 482 | static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) |
| 483 | { |
| 484 | switch (layer) { |
| 485 | case TCF_LAYER_LINK: |
Wolfgang Bumiller | d3303a6 | 2018-01-18 11:32:36 +0100 | [diff] [blame] | 486 | return skb_mac_header(skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | case TCF_LAYER_NETWORK: |
Arnaldo Carvalho de Melo | d56f90a | 2007-04-10 20:50:43 -0700 | [diff] [blame] | 488 | return skb_network_header(skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | case TCF_LAYER_TRANSPORT: |
Arnaldo Carvalho de Melo | 9c70220 | 2007-04-25 18:04:18 -0700 | [diff] [blame] | 490 | return skb_transport_header(skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | return NULL; |
| 494 | } |
| 495 | |
Arnaldo Carvalho de Melo | eddc9ec | 2007-04-20 22:47:35 -0700 | [diff] [blame] | 496 | static inline int tcf_valid_offset(const struct sk_buff *skb, |
| 497 | const unsigned char *ptr, const int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | { |
David S. Miller | da521b2 | 2010-12-21 12:43:16 -0800 | [diff] [blame] | 499 | return likely((ptr + len) <= skb_tail_pointer(skb) && |
| 500 | ptr >= skb->head && |
| 501 | (ptr <= (ptr + len))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | } |
| 503 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | static inline int |
Alexander Aring | 1057c55 | 2018-01-18 11:20:54 -0500 | [diff] [blame] | 505 | tcf_change_indev(struct net *net, struct nlattr *indev_tlv, |
| 506 | struct netlink_ext_ack *extack) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | { |
WANG Cong | 2519a60 | 2014-01-09 16:14:02 -0800 | [diff] [blame] | 508 | char indev[IFNAMSIZ]; |
Patrick McHardy | c01003c | 2007-03-29 11:46:52 -0700 | [diff] [blame] | 509 | struct net_device *dev; |
| 510 | |
Francis Laniel | 872f690 | 2020-11-15 18:08:06 +0100 | [diff] [blame] | 511 | if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) { |
Guillaume Nault | e4a58ef | 2020-03-23 21:48:47 +0100 | [diff] [blame] | 512 | NL_SET_ERR_MSG_ATTR(extack, indev_tlv, |
| 513 | "Interface name too long"); |
WANG Cong | 2519a60 | 2014-01-09 16:14:02 -0800 | [diff] [blame] | 514 | return -EINVAL; |
Alexander Aring | 1057c55 | 2018-01-18 11:20:54 -0500 | [diff] [blame] | 515 | } |
WANG Cong | 2519a60 | 2014-01-09 16:14:02 -0800 | [diff] [blame] | 516 | dev = __dev_get_by_name(net, indev); |
Guillaume Nault | e4a58ef | 2020-03-23 21:48:47 +0100 | [diff] [blame] | 517 | if (!dev) { |
| 518 | NL_SET_ERR_MSG_ATTR(extack, indev_tlv, |
| 519 | "Network device not found"); |
WANG Cong | 2519a60 | 2014-01-09 16:14:02 -0800 | [diff] [blame] | 520 | return -ENODEV; |
Guillaume Nault | e4a58ef | 2020-03-23 21:48:47 +0100 | [diff] [blame] | 521 | } |
WANG Cong | 2519a60 | 2014-01-09 16:14:02 -0800 | [diff] [blame] | 522 | return dev->ifindex; |
| 523 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | |
WANG Cong | 2519a60 | 2014-01-09 16:14:02 -0800 | [diff] [blame] | 525 | static inline bool |
| 526 | tcf_match_indev(struct sk_buff *skb, int ifindex) |
| 527 | { |
| 528 | if (!ifindex) |
| 529 | return true; |
| 530 | if (!skb->skb_iif) |
| 531 | return false; |
| 532 | return ifindex == skb->skb_iif; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | |
Pablo Neira Ayuso | 3a7b686 | 2019-02-02 12:50:46 +0100 | [diff] [blame] | 535 | int tc_setup_flow_action(struct flow_action *flow_action, |
Vlad Buslov | b15e7a6 | 2020-02-17 12:12:12 +0200 | [diff] [blame] | 536 | const struct tcf_exts *exts); |
Vlad Buslov | 5a6ff4b | 2019-08-26 16:45:04 +0300 | [diff] [blame] | 537 | void tc_cleanup_flow_action(struct flow_action *flow_action); |
| 538 | |
Cong Wang | aeb3fec | 2018-12-11 11:15:46 -0800 | [diff] [blame] | 539 | int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type, |
Vlad Buslov | 4011921 | 2019-08-26 16:44:59 +0300 | [diff] [blame] | 540 | void *type_data, bool err_stop, bool rtnl_held); |
| 541 | int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp, |
| 542 | enum tc_setup_type type, void *type_data, bool err_stop, |
| 543 | u32 *flags, unsigned int *in_hw_count, bool rtnl_held); |
| 544 | int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp, |
| 545 | enum tc_setup_type type, void *type_data, bool err_stop, |
| 546 | u32 *old_flags, unsigned int *old_in_hw_count, |
| 547 | u32 *new_flags, unsigned int *new_in_hw_count, |
| 548 | bool rtnl_held); |
| 549 | int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp, |
| 550 | enum tc_setup_type type, void *type_data, bool err_stop, |
| 551 | u32 *flags, unsigned int *in_hw_count, bool rtnl_held); |
| 552 | int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp, |
| 553 | bool add, flow_setup_cb_t *cb, |
| 554 | enum tc_setup_type type, void *type_data, |
| 555 | void *cb_priv, u32 *flags, unsigned int *in_hw_count); |
Pablo Neira Ayuso | e3ab786 | 2019-02-02 12:50:45 +0100 | [diff] [blame] | 556 | unsigned int tcf_exts_num_actions(struct tcf_exts *exts); |
Jiri Pirko | 717503b | 2017-10-11 09:41:09 +0200 | [diff] [blame] | 557 | |
Petr Machata | 3625750 | 2020-06-27 01:45:26 +0300 | [diff] [blame] | 558 | #ifdef CONFIG_NET_CLS_ACT |
| 559 | int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch, |
| 560 | enum flow_block_binder_type binder_type, |
| 561 | struct nlattr *block_index_attr, |
| 562 | struct netlink_ext_ack *extack); |
| 563 | void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch); |
| 564 | int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr, |
| 565 | struct netlink_ext_ack *extack); |
| 566 | struct sk_buff *tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb, |
Petr Machata | 55f656c | 2020-07-14 20:03:07 +0300 | [diff] [blame] | 567 | struct sk_buff **to_free, int *ret); |
Petr Machata | 3625750 | 2020-06-27 01:45:26 +0300 | [diff] [blame] | 568 | int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe); |
| 569 | #else |
| 570 | static inline int tcf_qevent_init(struct tcf_qevent *qe, struct Qdisc *sch, |
| 571 | enum flow_block_binder_type binder_type, |
| 572 | struct nlattr *block_index_attr, |
| 573 | struct netlink_ext_ack *extack) |
| 574 | { |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | static inline void tcf_qevent_destroy(struct tcf_qevent *qe, struct Qdisc *sch) |
| 579 | { |
| 580 | } |
| 581 | |
| 582 | static inline int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr, |
| 583 | struct netlink_ext_ack *extack) |
| 584 | { |
| 585 | return 0; |
| 586 | } |
| 587 | |
| 588 | static inline struct sk_buff * |
| 589 | tcf_qevent_handle(struct tcf_qevent *qe, struct Qdisc *sch, struct sk_buff *skb, |
Petr Machata | 55f656c | 2020-07-14 20:03:07 +0300 | [diff] [blame] | 590 | struct sk_buff **to_free, int *ret) |
Petr Machata | 3625750 | 2020-06-27 01:45:26 +0300 | [diff] [blame] | 591 | { |
| 592 | return skb; |
| 593 | } |
| 594 | |
| 595 | static inline int tcf_qevent_dump(struct sk_buff *skb, int attr_name, struct tcf_qevent *qe) |
| 596 | { |
| 597 | return 0; |
| 598 | } |
| 599 | #endif |
| 600 | |
John Fastabend | a1b7c5f | 2016-02-16 21:17:09 -0800 | [diff] [blame] | 601 | struct tc_cls_u32_knode { |
| 602 | struct tcf_exts *exts; |
Jakub Kicinski | 068ceb3 | 2018-11-19 15:21:46 -0800 | [diff] [blame] | 603 | struct tcf_result *res; |
John Fastabend | e014860 | 2016-02-17 14:59:30 -0800 | [diff] [blame] | 604 | struct tc_u32_sel *sel; |
John Fastabend | a1b7c5f | 2016-02-16 21:17:09 -0800 | [diff] [blame] | 605 | u32 handle; |
| 606 | u32 val; |
| 607 | u32 mask; |
| 608 | u32 link_handle; |
John Fastabend | e014860 | 2016-02-17 14:59:30 -0800 | [diff] [blame] | 609 | u8 fshift; |
John Fastabend | a1b7c5f | 2016-02-16 21:17:09 -0800 | [diff] [blame] | 610 | }; |
| 611 | |
| 612 | struct tc_cls_u32_hnode { |
| 613 | u32 handle; |
| 614 | u32 prio; |
| 615 | unsigned int divisor; |
| 616 | }; |
| 617 | |
| 618 | enum tc_clsu32_command { |
| 619 | TC_CLSU32_NEW_KNODE, |
| 620 | TC_CLSU32_REPLACE_KNODE, |
| 621 | TC_CLSU32_DELETE_KNODE, |
| 622 | TC_CLSU32_NEW_HNODE, |
| 623 | TC_CLSU32_REPLACE_HNODE, |
| 624 | TC_CLSU32_DELETE_HNODE, |
| 625 | }; |
| 626 | |
| 627 | struct tc_cls_u32_offload { |
Pablo Neira Ayuso | f9e3008 | 2019-07-09 22:55:49 +0200 | [diff] [blame] | 628 | struct flow_cls_common_offload common; |
John Fastabend | a1b7c5f | 2016-02-16 21:17:09 -0800 | [diff] [blame] | 629 | /* knode values */ |
| 630 | enum tc_clsu32_command command; |
| 631 | union { |
| 632 | struct tc_cls_u32_knode knode; |
| 633 | struct tc_cls_u32_hnode hnode; |
| 634 | }; |
| 635 | }; |
| 636 | |
Jiri Pirko | 7b06e8a | 2017-08-09 14:30:35 +0200 | [diff] [blame] | 637 | static inline bool tc_can_offload(const struct net_device *dev) |
John Fastabend | 6843e7a | 2016-02-26 07:53:49 -0800 | [diff] [blame] | 638 | { |
Jiri Pirko | 70b5aee | 2017-11-01 11:47:41 +0100 | [diff] [blame] | 639 | return dev->features & NETIF_F_HW_TC; |
John Fastabend | 6843e7a | 2016-02-26 07:53:49 -0800 | [diff] [blame] | 640 | } |
| 641 | |
Quentin Monnet | f9eda14 | 2018-01-19 17:44:48 -0800 | [diff] [blame] | 642 | static inline bool tc_can_offload_extack(const struct net_device *dev, |
| 643 | struct netlink_ext_ack *extack) |
| 644 | { |
| 645 | bool can = tc_can_offload(dev); |
| 646 | |
| 647 | if (!can) |
| 648 | NL_SET_ERR_MSG(extack, "TC offload is disabled on net device"); |
| 649 | |
| 650 | return can; |
| 651 | } |
| 652 | |
Jakub Kicinski | 878db9f | 2018-01-25 14:00:43 -0800 | [diff] [blame] | 653 | static inline bool |
| 654 | tc_cls_can_offload_and_chain0(const struct net_device *dev, |
Pablo Neira Ayuso | f9e3008 | 2019-07-09 22:55:49 +0200 | [diff] [blame] | 655 | struct flow_cls_common_offload *common) |
Jakub Kicinski | 878db9f | 2018-01-25 14:00:43 -0800 | [diff] [blame] | 656 | { |
| 657 | if (!tc_can_offload_extack(dev, common->extack)) |
| 658 | return false; |
| 659 | if (common->chain_index) { |
| 660 | NL_SET_ERR_MSG(common->extack, |
| 661 | "Driver supports only offload of chain 0"); |
| 662 | return false; |
| 663 | } |
| 664 | return true; |
| 665 | } |
| 666 | |
Hadar Hen Zion | 55330f0 | 2016-12-01 14:06:33 +0200 | [diff] [blame] | 667 | static inline bool tc_skip_hw(u32 flags) |
| 668 | { |
| 669 | return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false; |
| 670 | } |
| 671 | |
Samudrala, Sridhar | d34e3e1 | 2016-05-12 17:08:23 -0700 | [diff] [blame] | 672 | static inline bool tc_skip_sw(u32 flags) |
| 673 | { |
| 674 | return (flags & TCA_CLS_FLAGS_SKIP_SW) ? true : false; |
| 675 | } |
| 676 | |
| 677 | /* SKIP_HW and SKIP_SW are mutually exclusive flags. */ |
| 678 | static inline bool tc_flags_valid(u32 flags) |
| 679 | { |
Marcelo Ricardo Leitner | 81c7288 | 2018-05-13 17:44:27 -0300 | [diff] [blame] | 680 | if (flags & ~(TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW | |
| 681 | TCA_CLS_FLAGS_VERBOSE)) |
Samudrala, Sridhar | d34e3e1 | 2016-05-12 17:08:23 -0700 | [diff] [blame] | 682 | return false; |
| 683 | |
Marcelo Ricardo Leitner | 81c7288 | 2018-05-13 17:44:27 -0300 | [diff] [blame] | 684 | flags &= TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW; |
Samudrala, Sridhar | d34e3e1 | 2016-05-12 17:08:23 -0700 | [diff] [blame] | 685 | if (!(flags ^ (TCA_CLS_FLAGS_SKIP_HW | TCA_CLS_FLAGS_SKIP_SW))) |
| 686 | return false; |
| 687 | |
| 688 | return true; |
| 689 | } |
| 690 | |
Or Gerlitz | e696028 | 2017-02-16 10:31:12 +0200 | [diff] [blame] | 691 | static inline bool tc_in_hw(u32 flags) |
| 692 | { |
| 693 | return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false; |
| 694 | } |
| 695 | |
Jakub Kicinski | 34832e1 | 2018-01-24 12:54:14 -0800 | [diff] [blame] | 696 | static inline void |
Pablo Neira Ayuso | f9e3008 | 2019-07-09 22:55:49 +0200 | [diff] [blame] | 697 | tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common, |
Jakub Kicinski | 34832e1 | 2018-01-24 12:54:14 -0800 | [diff] [blame] | 698 | const struct tcf_proto *tp, u32 flags, |
| 699 | struct netlink_ext_ack *extack) |
| 700 | { |
| 701 | cls_common->chain_index = tp->chain->index; |
| 702 | cls_common->protocol = tp->protocol; |
Pablo Neira Ayuso | ef01ada | 2019-08-16 03:24:09 +0200 | [diff] [blame] | 703 | cls_common->prio = tp->prio >> 16; |
Marcelo Ricardo Leitner | 81c7288 | 2018-05-13 17:44:27 -0300 | [diff] [blame] | 704 | if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE) |
Jakub Kicinski | 34832e1 | 2018-01-24 12:54:14 -0800 | [diff] [blame] | 705 | cls_common->extack = extack; |
| 706 | } |
| 707 | |
Vlad Buslov | 9453d45 | 2021-05-25 16:21:52 +0300 | [diff] [blame] | 708 | #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) |
| 709 | static inline struct tc_skb_ext *tc_skb_ext_alloc(struct sk_buff *skb) |
| 710 | { |
| 711 | struct tc_skb_ext *tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); |
| 712 | |
| 713 | if (tc_skb_ext) |
| 714 | memset(tc_skb_ext, 0, sizeof(*tc_skb_ext)); |
| 715 | return tc_skb_ext; |
| 716 | } |
| 717 | #endif |
| 718 | |
Yotam Gigi | b87f793 | 2016-07-21 12:03:12 +0200 | [diff] [blame] | 719 | enum tc_matchall_command { |
| 720 | TC_CLSMATCHALL_REPLACE, |
| 721 | TC_CLSMATCHALL_DESTROY, |
Pieter Jansen van Vuuren | b7fe4ab | 2019-05-04 04:46:23 -0700 | [diff] [blame] | 722 | TC_CLSMATCHALL_STATS, |
Yotam Gigi | b87f793 | 2016-07-21 12:03:12 +0200 | [diff] [blame] | 723 | }; |
| 724 | |
| 725 | struct tc_cls_matchall_offload { |
Pablo Neira Ayuso | f9e3008 | 2019-07-09 22:55:49 +0200 | [diff] [blame] | 726 | struct flow_cls_common_offload common; |
Yotam Gigi | b87f793 | 2016-07-21 12:03:12 +0200 | [diff] [blame] | 727 | enum tc_matchall_command command; |
Pieter Jansen van Vuuren | f00cbf19 | 2019-05-04 04:46:17 -0700 | [diff] [blame] | 728 | struct flow_rule *rule; |
Pieter Jansen van Vuuren | b7fe4ab | 2019-05-04 04:46:23 -0700 | [diff] [blame] | 729 | struct flow_stats stats; |
Yotam Gigi | b87f793 | 2016-07-21 12:03:12 +0200 | [diff] [blame] | 730 | unsigned long cookie; |
| 731 | }; |
| 732 | |
Jakub Kicinski | 332ae8e | 2016-09-21 11:43:53 +0100 | [diff] [blame] | 733 | enum tc_clsbpf_command { |
Jakub Kicinski | 102740b | 2017-12-19 13:32:13 -0800 | [diff] [blame] | 734 | TC_CLSBPF_OFFLOAD, |
Jakub Kicinski | 68d6406 | 2016-09-21 11:44:02 +0100 | [diff] [blame] | 735 | TC_CLSBPF_STATS, |
Jakub Kicinski | 332ae8e | 2016-09-21 11:43:53 +0100 | [diff] [blame] | 736 | }; |
| 737 | |
| 738 | struct tc_cls_bpf_offload { |
Pablo Neira Ayuso | f9e3008 | 2019-07-09 22:55:49 +0200 | [diff] [blame] | 739 | struct flow_cls_common_offload common; |
Jakub Kicinski | 332ae8e | 2016-09-21 11:43:53 +0100 | [diff] [blame] | 740 | enum tc_clsbpf_command command; |
| 741 | struct tcf_exts *exts; |
| 742 | struct bpf_prog *prog; |
Jakub Kicinski | 102740b | 2017-12-19 13:32:13 -0800 | [diff] [blame] | 743 | struct bpf_prog *oldprog; |
Jakub Kicinski | 332ae8e | 2016-09-21 11:43:53 +0100 | [diff] [blame] | 744 | const char *name; |
| 745 | bool exts_integrated; |
| 746 | }; |
| 747 | |
Amritha Nambiar | 4e8b86c | 2017-09-07 04:00:06 -0700 | [diff] [blame] | 748 | struct tc_mqprio_qopt_offload { |
| 749 | /* struct tc_mqprio_qopt must always be the first element */ |
| 750 | struct tc_mqprio_qopt qopt; |
| 751 | u16 mode; |
| 752 | u16 shaper; |
| 753 | u32 flags; |
| 754 | u64 min_rate[TC_QOPT_MAX_QUEUE]; |
| 755 | u64 max_rate[TC_QOPT_MAX_QUEUE]; |
| 756 | }; |
Jamal Hadi Salim | 1045ba7 | 2017-01-24 07:02:41 -0500 | [diff] [blame] | 757 | |
| 758 | /* This structure holds cookie structure that is passed from user |
| 759 | * to the kernel for actions and classifiers |
| 760 | */ |
| 761 | struct tc_cookie { |
| 762 | u8 *data; |
| 763 | u32 len; |
Vlad Buslov | eec94fd | 2018-07-05 17:24:23 +0300 | [diff] [blame] | 764 | struct rcu_head rcu; |
Jamal Hadi Salim | 1045ba7 | 2017-01-24 07:02:41 -0500 | [diff] [blame] | 765 | }; |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 766 | |
Nogah Frankel | f34b4aa | 2018-01-10 14:59:58 +0100 | [diff] [blame] | 767 | struct tc_qopt_offload_stats { |
Ahmed S. Darwish | 50dc9a8 | 2021-10-16 10:49:09 +0200 | [diff] [blame] | 768 | struct gnet_stats_basic_sync *bstats; |
Nogah Frankel | f34b4aa | 2018-01-10 14:59:58 +0100 | [diff] [blame] | 769 | struct gnet_stats_queue *qstats; |
| 770 | }; |
| 771 | |
Jakub Kicinski | f971b13 | 2018-05-25 21:53:35 -0700 | [diff] [blame] | 772 | enum tc_mq_command { |
| 773 | TC_MQ_CREATE, |
| 774 | TC_MQ_DESTROY, |
Jakub Kicinski | 47c669a4 | 2018-05-25 21:53:37 -0700 | [diff] [blame] | 775 | TC_MQ_STATS, |
Jakub Kicinski | d577a3d | 2018-11-12 14:58:14 -0800 | [diff] [blame] | 776 | TC_MQ_GRAFT, |
| 777 | }; |
| 778 | |
| 779 | struct tc_mq_opt_offload_graft_params { |
| 780 | unsigned long queue; |
| 781 | u32 child_handle; |
Jakub Kicinski | f971b13 | 2018-05-25 21:53:35 -0700 | [diff] [blame] | 782 | }; |
| 783 | |
| 784 | struct tc_mq_qopt_offload { |
| 785 | enum tc_mq_command command; |
| 786 | u32 handle; |
Jakub Kicinski | d577a3d | 2018-11-12 14:58:14 -0800 | [diff] [blame] | 787 | union { |
| 788 | struct tc_qopt_offload_stats stats; |
| 789 | struct tc_mq_opt_offload_graft_params graft_params; |
| 790 | }; |
Jakub Kicinski | f971b13 | 2018-05-25 21:53:35 -0700 | [diff] [blame] | 791 | }; |
| 792 | |
Maxim Mikityanskiy | d03b195 | 2021-01-19 14:08:13 +0200 | [diff] [blame] | 793 | enum tc_htb_command { |
| 794 | /* Root */ |
| 795 | TC_HTB_CREATE, /* Initialize HTB offload. */ |
| 796 | TC_HTB_DESTROY, /* Destroy HTB offload. */ |
| 797 | |
| 798 | /* Classes */ |
| 799 | /* Allocate qid and create leaf. */ |
| 800 | TC_HTB_LEAF_ALLOC_QUEUE, |
| 801 | /* Convert leaf to inner, preserve and return qid, create new leaf. */ |
| 802 | TC_HTB_LEAF_TO_INNER, |
| 803 | /* Delete leaf, while siblings remain. */ |
| 804 | TC_HTB_LEAF_DEL, |
| 805 | /* Delete leaf, convert parent to leaf, preserving qid. */ |
| 806 | TC_HTB_LEAF_DEL_LAST, |
| 807 | /* TC_HTB_LEAF_DEL_LAST, but delete driver data on hardware errors. */ |
| 808 | TC_HTB_LEAF_DEL_LAST_FORCE, |
| 809 | /* Modify parameters of a node. */ |
| 810 | TC_HTB_NODE_MODIFY, |
| 811 | |
| 812 | /* Class qdisc */ |
| 813 | TC_HTB_LEAF_QUERY_QUEUE, /* Query qid by classid. */ |
| 814 | }; |
| 815 | |
| 816 | struct tc_htb_qopt_offload { |
| 817 | struct netlink_ext_ack *extack; |
| 818 | enum tc_htb_command command; |
Maxim Mikityanskiy | d03b195 | 2021-01-19 14:08:13 +0200 | [diff] [blame] | 819 | u32 parent_classid; |
Maxim Mikityanskiy | ca49bfd | 2021-08-26 14:54:25 +0300 | [diff] [blame] | 820 | u16 classid; |
Maxim Mikityanskiy | d03b195 | 2021-01-19 14:08:13 +0200 | [diff] [blame] | 821 | u16 qid; |
Maxim Mikityanskiy | d03b195 | 2021-01-19 14:08:13 +0200 | [diff] [blame] | 822 | u64 rate; |
| 823 | u64 ceil; |
| 824 | }; |
| 825 | |
| 826 | #define TC_HTB_CLASSID_ROOT U32_MAX |
| 827 | |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 828 | enum tc_red_command { |
| 829 | TC_RED_REPLACE, |
| 830 | TC_RED_DESTROY, |
| 831 | TC_RED_STATS, |
| 832 | TC_RED_XSTATS, |
Jakub Kicinski | bf2a752 | 2018-11-12 14:58:13 -0800 | [diff] [blame] | 833 | TC_RED_GRAFT, |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 834 | }; |
| 835 | |
| 836 | struct tc_red_qopt_offload_params { |
| 837 | u32 min; |
| 838 | u32 max; |
| 839 | u32 probability; |
Jakub Kicinski | c0b7490 | 2018-11-12 14:58:16 -0800 | [diff] [blame] | 840 | u32 limit; |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 841 | bool is_ecn; |
Jakub Kicinski | 190852a | 2018-11-08 19:50:38 -0800 | [diff] [blame] | 842 | bool is_harddrop; |
Petr Machata | 0a7fad2 | 2020-03-13 01:10:57 +0200 | [diff] [blame] | 843 | bool is_nodrop; |
Jakub Kicinski | 416ef9b | 2018-01-14 20:01:26 -0800 | [diff] [blame] | 844 | struct gnet_stats_queue *qstats; |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 845 | }; |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 846 | |
| 847 | struct tc_red_qopt_offload { |
| 848 | enum tc_red_command command; |
| 849 | u32 handle; |
| 850 | u32 parent; |
| 851 | union { |
| 852 | struct tc_red_qopt_offload_params set; |
Nogah Frankel | f34b4aa | 2018-01-10 14:59:58 +0100 | [diff] [blame] | 853 | struct tc_qopt_offload_stats stats; |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 854 | struct red_stats *xstats; |
Jakub Kicinski | bf2a752 | 2018-11-12 14:58:13 -0800 | [diff] [blame] | 855 | u32 child_handle; |
Nogah Frankel | 602f3ba | 2017-11-06 07:23:41 +0100 | [diff] [blame] | 856 | }; |
| 857 | }; |
| 858 | |
Jakub Kicinski | 890d8d2 | 2018-11-19 15:21:42 -0800 | [diff] [blame] | 859 | enum tc_gred_command { |
| 860 | TC_GRED_REPLACE, |
| 861 | TC_GRED_DESTROY, |
Jakub Kicinski | e49efd5 | 2018-11-19 15:21:43 -0800 | [diff] [blame] | 862 | TC_GRED_STATS, |
Jakub Kicinski | 890d8d2 | 2018-11-19 15:21:42 -0800 | [diff] [blame] | 863 | }; |
| 864 | |
| 865 | struct tc_gred_vq_qopt_offload_params { |
| 866 | bool present; |
| 867 | u32 limit; |
| 868 | u32 prio; |
| 869 | u32 min; |
| 870 | u32 max; |
| 871 | bool is_ecn; |
| 872 | bool is_harddrop; |
| 873 | u32 probability; |
| 874 | /* Only need backlog, see struct tc_prio_qopt_offload_params */ |
| 875 | u32 *backlog; |
| 876 | }; |
| 877 | |
| 878 | struct tc_gred_qopt_offload_params { |
| 879 | bool grio_on; |
| 880 | bool wred_on; |
| 881 | unsigned int dp_cnt; |
| 882 | unsigned int dp_def; |
| 883 | struct gnet_stats_queue *qstats; |
| 884 | struct tc_gred_vq_qopt_offload_params tab[MAX_DPs]; |
| 885 | }; |
| 886 | |
Jakub Kicinski | e49efd5 | 2018-11-19 15:21:43 -0800 | [diff] [blame] | 887 | struct tc_gred_qopt_offload_stats { |
Ahmed S. Darwish | 50dc9a8 | 2021-10-16 10:49:09 +0200 | [diff] [blame] | 888 | struct gnet_stats_basic_sync bstats[MAX_DPs]; |
Jakub Kicinski | e49efd5 | 2018-11-19 15:21:43 -0800 | [diff] [blame] | 889 | struct gnet_stats_queue qstats[MAX_DPs]; |
| 890 | struct red_stats *xstats[MAX_DPs]; |
| 891 | }; |
| 892 | |
Jakub Kicinski | 890d8d2 | 2018-11-19 15:21:42 -0800 | [diff] [blame] | 893 | struct tc_gred_qopt_offload { |
| 894 | enum tc_gred_command command; |
| 895 | u32 handle; |
| 896 | u32 parent; |
| 897 | union { |
| 898 | struct tc_gred_qopt_offload_params set; |
Jakub Kicinski | e49efd5 | 2018-11-19 15:21:43 -0800 | [diff] [blame] | 899 | struct tc_gred_qopt_offload_stats stats; |
Jakub Kicinski | 890d8d2 | 2018-11-19 15:21:42 -0800 | [diff] [blame] | 900 | }; |
| 901 | }; |
| 902 | |
Nogah Frankel | 7fdb61b | 2018-01-14 12:33:15 +0100 | [diff] [blame] | 903 | enum tc_prio_command { |
| 904 | TC_PRIO_REPLACE, |
| 905 | TC_PRIO_DESTROY, |
| 906 | TC_PRIO_STATS, |
Nogah Frankel | b9c7a7a | 2018-02-28 10:45:06 +0100 | [diff] [blame] | 907 | TC_PRIO_GRAFT, |
Nogah Frankel | 7fdb61b | 2018-01-14 12:33:15 +0100 | [diff] [blame] | 908 | }; |
| 909 | |
| 910 | struct tc_prio_qopt_offload_params { |
| 911 | int bands; |
| 912 | u8 priomap[TC_PRIO_MAX + 1]; |
Petr Machata | 9586a99 | 2019-12-18 14:55:08 +0000 | [diff] [blame] | 913 | /* At the point of un-offloading the Qdisc, the reported backlog and |
| 914 | * qlen need to be reduced by the portion that is in HW. |
Nogah Frankel | 7fdb61b | 2018-01-14 12:33:15 +0100 | [diff] [blame] | 915 | */ |
| 916 | struct gnet_stats_queue *qstats; |
| 917 | }; |
| 918 | |
Nogah Frankel | b9c7a7a | 2018-02-28 10:45:06 +0100 | [diff] [blame] | 919 | struct tc_prio_qopt_offload_graft_params { |
| 920 | u8 band; |
| 921 | u32 child_handle; |
| 922 | }; |
| 923 | |
Nogah Frankel | 7fdb61b | 2018-01-14 12:33:15 +0100 | [diff] [blame] | 924 | struct tc_prio_qopt_offload { |
| 925 | enum tc_prio_command command; |
| 926 | u32 handle; |
| 927 | u32 parent; |
| 928 | union { |
| 929 | struct tc_prio_qopt_offload_params replace_params; |
| 930 | struct tc_qopt_offload_stats stats; |
Nogah Frankel | b9c7a7a | 2018-02-28 10:45:06 +0100 | [diff] [blame] | 931 | struct tc_prio_qopt_offload_graft_params graft_params; |
Nogah Frankel | 7fdb61b | 2018-01-14 12:33:15 +0100 | [diff] [blame] | 932 | }; |
| 933 | }; |
Nogah Frankel | b9c7a7a | 2018-02-28 10:45:06 +0100 | [diff] [blame] | 934 | |
Jakub Kicinski | 98b0e5f | 2018-11-12 14:58:10 -0800 | [diff] [blame] | 935 | enum tc_root_command { |
| 936 | TC_ROOT_GRAFT, |
| 937 | }; |
| 938 | |
| 939 | struct tc_root_qopt_offload { |
| 940 | enum tc_root_command command; |
| 941 | u32 handle; |
| 942 | bool ingress; |
| 943 | }; |
| 944 | |
Petr Machata | d35eb52 | 2019-12-18 14:55:15 +0000 | [diff] [blame] | 945 | enum tc_ets_command { |
| 946 | TC_ETS_REPLACE, |
| 947 | TC_ETS_DESTROY, |
| 948 | TC_ETS_STATS, |
| 949 | TC_ETS_GRAFT, |
| 950 | }; |
| 951 | |
| 952 | struct tc_ets_qopt_offload_replace_params { |
| 953 | unsigned int bands; |
| 954 | u8 priomap[TC_PRIO_MAX + 1]; |
| 955 | unsigned int quanta[TCQ_ETS_MAX_BANDS]; /* 0 for strict bands. */ |
| 956 | unsigned int weights[TCQ_ETS_MAX_BANDS]; |
| 957 | struct gnet_stats_queue *qstats; |
| 958 | }; |
| 959 | |
| 960 | struct tc_ets_qopt_offload_graft_params { |
| 961 | u8 band; |
| 962 | u32 child_handle; |
| 963 | }; |
| 964 | |
| 965 | struct tc_ets_qopt_offload { |
| 966 | enum tc_ets_command command; |
| 967 | u32 handle; |
| 968 | u32 parent; |
| 969 | union { |
| 970 | struct tc_ets_qopt_offload_replace_params replace_params; |
| 971 | struct tc_qopt_offload_stats stats; |
| 972 | struct tc_ets_qopt_offload_graft_params graft_params; |
| 973 | }; |
| 974 | }; |
| 975 | |
Petr Machata | ef6aadc | 2020-01-24 15:23:06 +0200 | [diff] [blame] | 976 | enum tc_tbf_command { |
| 977 | TC_TBF_REPLACE, |
| 978 | TC_TBF_DESTROY, |
| 979 | TC_TBF_STATS, |
Petr Machata | 6b3efbf | 2021-10-19 11:07:04 +0300 | [diff] [blame] | 980 | TC_TBF_GRAFT, |
Petr Machata | ef6aadc | 2020-01-24 15:23:06 +0200 | [diff] [blame] | 981 | }; |
| 982 | |
| 983 | struct tc_tbf_qopt_offload_replace_params { |
| 984 | struct psched_ratecfg rate; |
| 985 | u32 max_size; |
| 986 | struct gnet_stats_queue *qstats; |
| 987 | }; |
| 988 | |
| 989 | struct tc_tbf_qopt_offload { |
| 990 | enum tc_tbf_command command; |
| 991 | u32 handle; |
| 992 | u32 parent; |
| 993 | union { |
| 994 | struct tc_tbf_qopt_offload_replace_params replace_params; |
| 995 | struct tc_qopt_offload_stats stats; |
Petr Machata | 6b3efbf | 2021-10-19 11:07:04 +0300 | [diff] [blame] | 996 | u32 child_handle; |
Petr Machata | ef6aadc | 2020-01-24 15:23:06 +0200 | [diff] [blame] | 997 | }; |
| 998 | }; |
| 999 | |
Petr Machata | aaca940 | 2020-03-05 09:16:40 +0200 | [diff] [blame] | 1000 | enum tc_fifo_command { |
| 1001 | TC_FIFO_REPLACE, |
| 1002 | TC_FIFO_DESTROY, |
| 1003 | TC_FIFO_STATS, |
| 1004 | }; |
| 1005 | |
| 1006 | struct tc_fifo_qopt_offload { |
| 1007 | enum tc_fifo_command command; |
| 1008 | u32 handle; |
| 1009 | u32 parent; |
| 1010 | union { |
| 1011 | struct tc_qopt_offload_stats stats; |
| 1012 | }; |
| 1013 | }; |
| 1014 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | #endif |