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| author | Pavel Emelyanov <xemul@parallels.com> | 2012-04-19 03:39:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-21 15:52:25 -0400 |
| commit | 4a17fd5229c1b6066aa478f6b690f8293ce811a1 (patch) | |
| tree | f6acd00935d2d7a990befb4c77f57fdf39f46689 /include/net/sock.h | |
| parent | 59c55bdde856c4000bbeb33ba212c3df6f1997a4 (diff) | |
| download | blackbird-obmc-linux-4a17fd5229c1b6066aa478f6b690f8293ce811a1.tar.gz blackbird-obmc-linux-4a17fd5229c1b6066aa478f6b690f8293ce811a1.zip | |
sock: Introduce named constants for sk_reuse
Name them in a "backward compatible" manner, i.e. reuse or not
are still 1 and 0 respectively. The reuse value of 2 means that
the socket with it will forcibly reuse everyone else's port.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index a6ba1f8871fd..4cdb9b3050f4 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -376,6 +376,17 @@ struct sock { void (*sk_destruct)(struct sock *sk); }; +/* + * SK_CAN_REUSE and SK_NO_REUSE on a socket mean that the socket is OK + * or not whether his port will be reused by someone else. SK_FORCE_REUSE + * on a socket means that the socket will reuse everybody else's port + * without looking at the other's sk_reuse value. + */ + +#define SK_NO_REUSE 0 +#define SK_CAN_REUSE 1 +#define SK_FORCE_REUSE 2 + static inline int sk_peek_offset(struct sock *sk, int flags) { if ((flags & MSG_PEEK) && (sk->sk_peek_off >= 0)) |
