diff options
Diffstat (limited to 'include/linux/tcp.h')
| -rw-r--r-- | include/linux/tcp.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index ca7f05a130d2..b4c08ac86983 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -472,10 +472,12 @@ enum tsq_flags { TCPF_MTU_REDUCED_DEFERRED = (1UL << TCP_MTU_REDUCED_DEFERRED), }; -static inline struct tcp_sock *tcp_sk(const struct sock *sk) -{ - return (struct tcp_sock *)sk; -} +#define tcp_sk(ptr) container_of_const(ptr, struct tcp_sock, inet_conn.icsk_inet.sk) + +/* Variant of tcp_sk() upgrading a const sock to a read/write tcp socket. + * Used in context of (lockless) tcp listeners. + */ +#define tcp_sk_rw(ptr) container_of(ptr, struct tcp_sock, inet_conn.icsk_inet.sk) struct tcp_timewait_sock { struct inet_timewait_sock tw_sk; |