Release 4.12 include/net/act_api.h
#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_hashinfo {
struct hlist_head *htab;
unsigned int hmask;
spinlock_t lock;
u32 index;
};
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_hashinfo *hinfo;
struct hlist_node tcfa_head;
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 rcu_head tcfa_rcu;
struct gnet_stats_basic_cpu __percpu *cpu_bstats;
struct gnet_stats_queue __percpu *cpu_qstats;
struct tc_cookie *act_cookie;
};
#define tcf_head common.tcfa_head
#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
#define tcf_rcu common.tcfa_rcu
static inline unsigned int tcf_hash(u32 index, unsigned int hmask)
{
return index & hmask;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David S. Miller | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
static inline int tcf_hashinfo_init(struct tcf_hashinfo *hf, unsigned int mask)
{
int i;
spin_lock_init(&hf->lock);
hf->index = 0;
hf->hmask = mask;
hf->htab = kzalloc((mask + 1) * sizeof(struct hlist_head),
GFP_KERNEL);
if (!hf->htab)
return -ENOMEM;
for (i = 0; i < mask + 1; i++)
INIT_HLIST_HEAD(&hf->htab[i]);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Américo Wang | 100 | 100.00% | 3 | 100.00% |
| Total | 100 | 100.00% | 3 | 100.00% |
/* 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_hashinfo *hinfo;
const struct tc_action_ops *ops;
};
static inline
int tc_action_net_init(struct tc_action_net *tn,
const struct tc_action_ops *ops, unsigned int mask)
{
int err = 0;
tn->hinfo = kmalloc(sizeof(*tn->hinfo), GFP_KERNEL);
if (!tn->hinfo)
return -ENOMEM;
tn->ops = ops;
err = tcf_hashinfo_init(tn->hinfo, mask);
if (err)
kfree(tn->hinfo);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Américo Wang | 86 | 100.00% | 1 | 100.00% |
| Total | 86 | 100.00% | 1 | 100.00% |
void tcf_hashinfo_destroy(const struct tc_action_ops *ops,
struct tcf_hashinfo *hinfo);
static inline void tc_action_net_exit(struct tc_action_net *tn)
{
tcf_hashinfo_destroy(tn->ops, tn->hinfo);
kfree(tn->hinfo);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Américo Wang | 30 | 100.00% | 2 | 100.00% |
| Total | 30 | 100.00% | 2 | 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_hash_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
u32 tcf_hash_new_index(struct tc_action_net *tn);
bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
int bind);
int tcf_hash_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_hash_cleanup(struct tc_action *a, struct nlattr *est);
void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a);
int __tcf_hash_release(struct tc_action *a, bool bind, bool strict);
static inline int tcf_hash_release(struct tc_action *a, bool bind)
{
return __tcf_hash_release(a, bind, false);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Daniel Borkmann | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 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 nlattr *nla,
struct nlattr *est, char *n, int ovr,
int bind, struct list_head *);
struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla,
struct nlattr *est, char *n, 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 | 457 | 38.05% | 17 | 43.59% |
| Thomas Graf | 289 | 24.06% | 2 | 5.13% |
| David S. Miller | 131 | 10.91% | 1 | 2.56% |
| Jamal Hadi Salim | 90 | 7.49% | 4 | 10.26% |
| Amir Vadai | 73 | 6.08% | 2 | 5.13% |
| Eric Dumazet | 59 | 4.91% | 6 | 15.38% |
| Daniel Borkmann | 40 | 3.33% | 1 | 2.56% |
| Hadar Hen Zion | 24 | 2.00% | 1 | 2.56% |
| Benjamin LaHaise | 20 | 1.67% | 1 | 2.56% |
| Patrick McHardy | 18 | 1.50% | 4 | 10.26% |
| Total | 1201 | 100.00% | 39 | 100.00% |
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