diff options
Diffstat (limited to 'include/linux/sock_diag.h')
| -rw-r--r-- | include/linux/sock_diag.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h index 15fe980a27ea..5c916e6dff36 100644 --- a/include/linux/sock_diag.h +++ b/include/linux/sock_diag.h @@ -25,6 +25,15 @@ void sock_diag_unregister(const struct sock_diag_handler *h); void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh)); void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh)); +static inline +void sock_init_cookie(struct sock *sk) +{ + u64 res; + + res = atomic64_inc_return(&sock_net(sk)->cookie_gen); + atomic64_set(&sk->sk_cookie, res); +} + u64 sock_gen_cookie(struct sock *sk); int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie); void sock_diag_save_cookie(struct sock *sk, __u32 *cookie); |