diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/sock.h | 2 | ||||
-rw-r--r-- | include/net/sock_reuseport.h | 20 |
2 files changed, 22 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 3794cdde837a..e830c1006935 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -318,6 +318,7 @@ struct cg_proto; * @sk_error_report: callback to indicate errors (e.g. %MSG_ERRQUEUE) * @sk_backlog_rcv: callback to process the backlog * @sk_destruct: called at sock freeing time, i.e. when all refcnt == 0 + * @sk_reuseport_cb: reuseport group container */ struct sock { /* @@ -453,6 +454,7 @@ struct sock { int (*sk_backlog_rcv)(struct sock *sk, struct sk_buff *skb); void (*sk_destruct)(struct sock *sk); + struct sock_reuseport __rcu *sk_reuseport_cb; }; #define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data))) diff --git a/include/net/sock_reuseport.h b/include/net/sock_reuseport.h new file mode 100644 index 000000000000..67d1eb8fd7af --- /dev/null +++ b/include/net/sock_reuseport.h @@ -0,0 +1,20 @@ +#ifndef _SOCK_REUSEPORT_H +#define _SOCK_REUSEPORT_H + +#include <linux/types.h> +#include <net/sock.h> + +struct sock_reuseport { + struct rcu_head rcu; + + u16 max_socks; /* length of socks */ + u16 num_socks; /* elements in socks */ + struct sock *socks[0]; /* array of sock pointers */ +}; + +extern int reuseport_alloc(struct sock *sk); +extern int reuseport_add_sock(struct sock *sk, const struct sock *sk2); +extern void reuseport_detach_sock(struct sock *sk); +extern struct sock *reuseport_select_sock(struct sock *sk, u32 hash); + +#endif /* _SOCK_REUSEPORT_H */ |