diff options
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r-- | net/ipv4/tcp.c | 63 |
1 files changed, 51 insertions, 12 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 00aa80e9324..4b0272c92d6 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1687,18 +1687,14 @@ int tcp_disconnect(struct sock *sk, int flags) /* * Socket option code for TCP. */ -int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, - int optlen) +static int do_tcp_setsockopt(struct sock *sk, int level, + int optname, char __user *optval, int optlen) { struct tcp_sock *tp = tcp_sk(sk); struct inet_connection_sock *icsk = inet_csk(sk); int val; int err = 0; - if (level != SOL_TCP) - return icsk->icsk_af_ops->setsockopt(sk, level, optname, - optval, optlen); - /* This is a string value all the others are int's */ if (optname == TCP_CONGESTION) { char name[TCP_CA_NAME_MAX]; @@ -1871,6 +1867,30 @@ int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, return err; } +int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, + int optlen) +{ + struct inet_connection_sock *icsk = inet_csk(sk); + + if (level != SOL_TCP) + return icsk->icsk_af_ops->setsockopt(sk, level, optname, + optval, optlen); + return do_tcp_setsockopt(sk, level, optname, optval, optlen); +} + +#ifdef CONFIG_COMPAT +int compat_tcp_setsockopt(struct sock *sk, int level, int optname, + char __user *optval, int optlen) +{ + if (level != SOL_TCP) + return inet_csk_compat_setsockopt(sk, level, optname, + optval, optlen); + return do_tcp_setsockopt(sk, level, optname, optval, optlen); +} + +EXPORT_SYMBOL(compat_tcp_setsockopt); +#endif + /* Return information about state of tcp endpoint in API format. */ void tcp_get_info(struct sock *sk, struct tcp_info *info) { @@ -1931,17 +1951,13 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) EXPORT_SYMBOL_GPL(tcp_get_info); -int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, - int __user *optlen) +static int do_tcp_getsockopt(struct sock *sk, int level, + int optname, char __user *optval, int __user *optlen) { struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); int val, len; - if (level != SOL_TCP) - return icsk->icsk_af_ops->getsockopt(sk, level, optname, - optval, optlen); - if (get_user(len, optlen)) return -EFAULT; @@ -2025,6 +2041,29 @@ int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, return 0; } +int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, + int __user *optlen) +{ + struct inet_connection_sock *icsk = inet_csk(sk); + + if (level != SOL_TCP) + return icsk->icsk_af_ops->getsockopt(sk, level, optname, + optval, optlen); + return do_tcp_getsockopt(sk, level, optname, optval, optlen); +} + +#ifdef CONFIG_COMPAT +int compat_tcp_getsockopt(struct sock *sk, int level, int optname, + char __user *optval, int __user *optlen) +{ + if (level != SOL_TCP) + return inet_csk_compat_getsockopt(sk, level, optname, + optval, optlen); + return do_tcp_getsockopt(sk, level, optname, optval, optlen); +} + +EXPORT_SYMBOL(compat_tcp_getsockopt); +#endif extern void __skb_cb_too_small_for_tcp(int, int); extern struct tcp_congestion_ops tcp_reno; |