Release 4.14 include/net/act_api.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_ACT_API_H
#define __NET_ACT_API_H
/*
* Public action API for classifiers/qdiscs
*/
#include <net/sch_generic.h>
#include <net/pkt_sched.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
struct tcf_idrinfo {
spinlock_t lock;
struct idr action_idr;
};
struct tc_action_ops;
struct tc_action {
const struct tc_action_ops *ops;
__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
__u32 order;
struct list_head list;
struct tcf_idrinfo *idrinfo;
u32 tcfa_index;
int tcfa_refcnt;
int tcfa_bindcnt;
u32 tcfa_capab;
int tcfa_action;
struct tcf_t tcfa_tm;
struct gnet_stats_basic_packed tcfa_bstats;
struct gnet_stats_queue tcfa_qstats;
struct net_rate_estimator __rcu *tcfa_rate_est;
spinlock_t tcfa_lock;
struct gnet_stats_basic_cpu __percpu *cpu_bstats;
struct gnet_stats_queue __percpu *cpu_qstats;
struct tc_cookie *act_cookie;
struct tcf_chain *goto_chain;
};
#define tcf_index common.tcfa_index
#define tcf_refcnt common.tcfa_refcnt
#define tcf_bindcnt common.tcfa_bindcnt
#define tcf_capab common.tcfa_capab
#define tcf_action common.tcfa_action
#define tcf_tm common.tcfa_tm
#define tcf_bstats common.tcfa_bstats
#define tcf_qstats common.tcfa_qstats
#define tcf_rate_est common.tcfa_rate_est
#define tcf_lock common.tcfa_lock
/* Update lastuse only if needed, to avoid dirtying a cache line.
* We use a temp variable to avoid fetching jiffies twice.
*/
static inline void tcf_lastuse_update(struct tcf_t *tm)
{
unsigned long now = jiffies;
if (tm->lastuse != now)
tm->lastuse = now;
if (unlikely(!tm->firstuse))
tm->firstuse = now;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Eric Dumazet | 32 | 66.67% | 1 | 50.00% |
| Jamal Hadi Salim | 16 | 33.33% | 1 | 50.00% |
| Total | 48 | 100.00% | 2 | 100.00% |
static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm)
{
dtm->install = jiffies_to_clock_t(jiffies - stm->install);
dtm->lastuse = jiffies_to_clock_t(jiffies - stm->lastuse);
dtm->firstuse = jiffies_to_clock_t(jiffies - stm->firstuse);
dtm->expires = jiffies_to_clock_t(stm->expires);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jamal Hadi Salim | 68 | 100.00% | 1 | 100.00% |
| Total | 68 | 100.00% | 1 | 100.00% |
#ifdef CONFIG_NET_CLS_ACT
#define ACT_P_CREATED 1
#define ACT_P_DELETED 1
struct tc_action_ops {
struct list_head head;
char kind[IFNAMSIZ];
__u32 type; /* TBD to match kind */
size_t size;
struct module *owner;
int (*act)(struct sk_buff *, const struct tc_action *,
struct tcf_result *);
int (*dump)(struct sk_buff *, struct tc_action *, int, int);
void (*cleanup)(struct tc_action *, int bind);
int (*lookup)(struct net *, struct tc_action **, u32);
int (*init)(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **act, int ovr,
int bind);
int (*walk)(struct net *, struct sk_buff *,
struct netlink_callback *, int, const struct tc_action_ops *);
void (*stats_update)(struct tc_action *, u64, u32, u64);
int (*get_dev)(const struct tc_action *a, struct net *net,
struct net_device **mirred_dev);
};
struct tc_action_net {
struct tcf_idrinfo *idrinfo;
const struct tc_action_ops *ops;
};
static inline
int tc_action_net_init(struct tc_action_net *tn,
const struct tc_action_ops *ops)
{
int err = 0;
tn->idrinfo = kmalloc(sizeof(*tn->idrinfo), GFP_KERNEL);
if (!tn->idrinfo)
return -ENOMEM;
tn->ops = ops;
spin_lock_init(&tn->idrinfo->lock);
idr_init(&tn->idrinfo->action_idr);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Américo Wang | 67 | 83.75% | 1 | 50.00% |
| Chris Mi | 13 | 16.25% | 1 | 50.00% |
| Total | 80 | 100.00% | 2 | 100.00% |
void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
struct tcf_idrinfo *idrinfo);
static inline void tc_action_net_exit(struct tc_action_net *tn)
{
rtnl_lock();
tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
rtnl_unlock();
kfree(tn->idrinfo);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Américo Wang | 33 | 91.67% | 3 | 75.00% |
| Chris Mi | 3 | 8.33% | 1 | 25.00% |
| Total | 36 | 100.00% | 4 | 100.00% |
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops);
int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
int bind);
int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
struct tc_action **a, const struct tc_action_ops *ops,
int bind, bool cpustats);
void tcf_idr_cleanup(struct tc_action *a, struct nlattr *est);
void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a);
int __tcf_idr_release(struct tc_action *a, bool bind, bool strict);
static inline int tcf_idr_release(struct tc_action *a, bool bind)
{
return __tcf_idr_release(a, bind, false);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Daniel Borkmann | 23 | 92.00% | 1 | 50.00% |
| Chris Mi | 2 | 8.00% | 1 | 50.00% |
| Total | 25 | 100.00% | 2 | 100.00% |
int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops);
int tcf_unregister_action(struct tc_action_ops *a,
struct pernet_operations *ops);
int tcf_action_destroy(struct list_head *actions, int bind);
int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
int nr_actions, struct tcf_result *res);
int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
struct nlattr *est, char *name, int ovr, int bind,
struct list_head *actions);
struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
struct nlattr *nla, struct nlattr *est,
char *name, int ovr, int bind);
int tcf_action_dump(struct sk_buff *skb, struct list_head *, int, int);
int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
#endif /* CONFIG_NET_CLS_ACT */
static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
u64 packets, u64 lastuse)
{
#ifdef CONFIG_NET_CLS_ACT
if (!a->ops->stats_update)
return;
a->ops->stats_update(a, bytes, packets, lastuse);
#endif
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amir Vadai | 45 | 88.24% | 1 | 33.33% |
| Américo Wang | 4 | 7.84% | 1 | 33.33% |
| Thomas Graf | 2 | 3.92% | 1 | 33.33% |
| Total | 51 | 100.00% | 3 | 100.00% |
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Américo Wang | 310 | 29.11% | 15 | 38.46% |
| Thomas Graf | 287 | 26.95% | 2 | 5.13% |
| David S. Miller | 101 | 9.48% | 1 | 2.56% |
| Jamal Hadi Salim | 90 | 8.45% | 4 | 10.26% |
| Amir Vadai | 73 | 6.85% | 2 | 5.13% |
| Eric Dumazet | 53 | 4.98% | 5 | 12.82% |
| Daniel Borkmann | 37 | 3.47% | 1 | 2.56% |
| Chris Mi | 35 | 3.29% | 1 | 2.56% |
| Hadar Hen Zion | 24 | 2.25% | 1 | 2.56% |
| Benjamin LaHaise | 20 | 1.88% | 1 | 2.56% |
| Jiri Pirko | 18 | 1.69% | 2 | 5.13% |
| Patrick McHardy | 16 | 1.50% | 3 | 7.69% |
| Greg Kroah-Hartman | 1 | 0.09% | 1 | 2.56% |
| Total | 1065 | 100.00% | 39 | 100.00% |
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