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author | Eric Dumazet <edumazet@google.com> | 2015-03-15 21:12:12 -0700 |
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committer | Sasha Levin <sasha.levin@oracle.com> | 2015-06-28 13:39:21 -0400 |
commit | 2ed8cb3d22b59eda73c203412d02add4d0901255 (patch) | |
tree | 415f78fb04ab6d686087c759308cac5945f8343c | |
parent | bb5d5cc637187c20c0e1acadb472078363d83d84 (diff) | |
download | lwn-2ed8cb3d22b59eda73c203412d02add4d0901255.tar.gz lwn-2ed8cb3d22b59eda73c203412d02add4d0901255.zip |
net: add sk_fullsock() helper
[ Upstream commit 1d0ab253872cdd3d8e7913f59c266c7fd01771d0 ]
We have many places where we want to check if a socket is
not a timewait or request socket. Use a helper to avoid
hard coding this.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
-rw-r--r-- | include/net/sock.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index c8146ed9e66a..4406dbe491f0 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -67,6 +67,7 @@ #include <linux/atomic.h> #include <net/dst.h> #include <net/checksum.h> +#include <net/tcp_states.h> #include <linux/net_tstamp.h> struct cgroup; @@ -2267,6 +2268,14 @@ static inline struct sock *skb_steal_sock(struct sk_buff *skb) return NULL; } +/* This helper checks if a socket is a full socket, + * ie _not_ a timewait or request socket. + */ +static inline bool sk_fullsock(const struct sock *sk) +{ + return (1 << sk->sk_state) & ~(TCPF_TIME_WAIT | TCPF_NEW_SYN_RECV); +} + void sock_enable_timestamp(struct sock *sk, int flag); int sock_get_timestamp(struct sock *, struct timeval __user *); int sock_get_timestampns(struct sock *, struct timespec __user *); |