^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __NET_ACT_API_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __NET_ACT_API_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Public action API for classifiers/qdiscs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/refcount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <net/sch_generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <net/pkt_sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <net/net_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <net/netns/generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct tcf_idrinfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct idr action_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct net *net;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct tc_action_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct tc_action {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) const struct tc_action_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct tcf_idrinfo *idrinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) u32 tcfa_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) refcount_t tcfa_refcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) atomic_t tcfa_bindcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int tcfa_action;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct tcf_t tcfa_tm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct gnet_stats_basic_packed tcfa_bstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct gnet_stats_basic_packed tcfa_bstats_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct gnet_stats_queue tcfa_qstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct net_rate_estimator __rcu *tcfa_rate_est;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) spinlock_t tcfa_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct gnet_stats_basic_cpu __percpu *cpu_bstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct gnet_stats_basic_cpu __percpu *cpu_bstats_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct gnet_stats_queue __percpu *cpu_qstats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct tc_cookie __rcu *act_cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct tcf_chain __rcu *goto_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u32 tcfa_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) u8 hw_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) u8 used_hw_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) bool used_hw_stats_valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define tcf_index common.tcfa_index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define tcf_refcnt common.tcfa_refcnt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define tcf_bindcnt common.tcfa_bindcnt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define tcf_action common.tcfa_action
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define tcf_tm common.tcfa_tm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define tcf_bstats common.tcfa_bstats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define tcf_qstats common.tcfa_qstats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define tcf_rate_est common.tcfa_rate_est
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define tcf_lock common.tcfa_lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define TCA_ACT_HW_STATS_ANY (TCA_ACT_HW_STATS_IMMEDIATE | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) TCA_ACT_HW_STATS_DELAYED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* Update lastuse only if needed, to avoid dirtying a cache line.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * We use a temp variable to avoid fetching jiffies twice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static inline void tcf_lastuse_update(struct tcf_t *tm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) unsigned long now = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (tm->lastuse != now)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) tm->lastuse = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (unlikely(!tm->firstuse))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) tm->firstuse = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) dtm->install = jiffies_to_clock_t(jiffies - stm->install);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) dtm->lastuse = jiffies_to_clock_t(jiffies - stm->lastuse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) dtm->firstuse = stm->firstuse ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) jiffies_to_clock_t(jiffies - stm->firstuse) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) dtm->expires = jiffies_to_clock_t(stm->expires);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #ifdef CONFIG_NET_CLS_ACT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define ACT_P_CREATED 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define ACT_P_DELETED 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) typedef void (*tc_action_priv_destructor)(void *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct tc_action_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct list_head head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) char kind[IFNAMSIZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) enum tca_id id; /* identifier should match kind */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) size_t size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct module *owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int (*act)(struct sk_buff *, const struct tc_action *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct tcf_result *); /* called under RCU BH lock*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) int (*dump)(struct sk_buff *, struct tc_action *, int, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) void (*cleanup)(struct tc_action *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) int (*lookup)(struct net *net, struct tc_action **a, u32 index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int (*init)(struct net *net, struct nlattr *nla,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct nlattr *est, struct tc_action **act, int ovr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) int bind, bool rtnl_held, struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) u32 flags, struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int (*walk)(struct net *, struct sk_buff *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct netlink_callback *, int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) const struct tc_action_ops *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct netlink_ext_ack *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) void (*stats_update)(struct tc_action *, u64, u64, u64, u64, bool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) size_t (*get_fill_size)(const struct tc_action *act);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct net_device *(*get_dev)(const struct tc_action *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) tc_action_priv_destructor *destructor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct psample_group *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) (*get_psample_group)(const struct tc_action *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) tc_action_priv_destructor *destructor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct tc_action_net {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct tcf_idrinfo *idrinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) const struct tc_action_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) int tc_action_net_init(struct net *net, struct tc_action_net *tn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) const struct tc_action_ops *ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) tn->idrinfo = kmalloc(sizeof(*tn->idrinfo), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (!tn->idrinfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) tn->ops = ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) tn->idrinfo->net = net;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) mutex_init(&tn->idrinfo->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) idr_init(&tn->idrinfo->action_idr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct tcf_idrinfo *idrinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static inline void tc_action_net_exit(struct list_head *net_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) unsigned int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) struct net *net;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) list_for_each_entry(net, net_list, exit_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct tc_action_net *tn = net_generic(net, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) kfree(tn->idrinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct netlink_callback *cb, int type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) const struct tc_action_ops *ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct tc_action **a, const struct tc_action_ops *ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int bind, bool cpustats, u32 flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int tcf_idr_create_from_flags(struct tc_action_net *tn, u32 index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct nlattr *est, struct tc_action **a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) const struct tc_action_ops *ops, int bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) u32 flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) void tcf_idr_insert_many(struct tc_action *actions[]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) void tcf_idr_cleanup(struct tc_action_net *tn, u32 index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct tc_action **a, int bind);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int tcf_idr_release(struct tc_action *a, bool bind);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int tcf_unregister_action(struct tc_action_ops *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct pernet_operations *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int tcf_action_destroy(struct tc_action *actions[], int bind);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) int nr_actions, struct tcf_result *res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct nlattr *est, char *name, int ovr, int bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct tc_action *actions[], int init_res[], size_t *attr_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) bool rtnl_held, struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct tc_action_ops *tc_action_load_ops(char *name, struct nlattr *nla,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct nlattr *nla, struct nlattr *est,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) char *name, int ovr, int bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct tc_action_ops *a_o, int *init_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct netlink_ext_ack *extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) int tcf_action_dump(struct sk_buff *skb, struct tc_action *actions[], int bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) int ref, bool terse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static inline void tcf_action_update_bstats(struct tc_action *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (likely(a->cpu_bstats)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) spin_lock(&a->tcfa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) bstats_update(&a->tcfa_bstats, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) spin_unlock(&a->tcfa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static inline void tcf_action_inc_drop_qstats(struct tc_action *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (likely(a->cpu_qstats)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) qstats_drop_inc(this_cpu_ptr(a->cpu_qstats));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) spin_lock(&a->tcfa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) qstats_drop_inc(&a->tcfa_qstats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) spin_unlock(&a->tcfa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static inline void tcf_action_inc_overlimit_qstats(struct tc_action *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) if (likely(a->cpu_qstats)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) qstats_overlimit_inc(this_cpu_ptr(a->cpu_qstats));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) spin_lock(&a->tcfa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) qstats_overlimit_inc(&a->tcfa_qstats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) spin_unlock(&a->tcfa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) void tcf_action_update_stats(struct tc_action *a, u64 bytes, u64 packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) u64 drops, bool hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) int tcf_action_check_ctrlact(int action, struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) struct tcf_chain **handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct netlink_ext_ack *newchain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct tcf_chain *tcf_action_set_ctrlact(struct tc_action *a, int action,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) struct tcf_chain *newchain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) #endif /* CONFIG_NET_CLS_ACT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) u64 packets, u64 drops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) u64 lastuse, bool hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) #ifdef CONFIG_NET_CLS_ACT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (!a->ops->stats_update)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) a->ops->stats_update(a, bytes, packets, drops, lastuse, hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) #endif