diff options
| author | Jaroslav Kysela <perex@suse.cz> | 2006-03-22 11:02:08 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-03-22 11:02:08 +0100 |
| commit | 5501972e0b5857bc8354770d900ceb9b40c7f6b7 (patch) | |
| tree | ff239422827c4cd54d2998f8851304255de31b38 /include/net/tcp.h | |
| parent | 9d2f928ddf64ca0361562e30faf584cd33055c60 (diff) | |
| parent | e952f31bce6e9f64db01f607abc46529ba57ac9e (diff) | |
Merge with rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 77f21c65bbc..9418f4d1afb 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -60,6 +60,9 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo); /* Minimal RCV_MSS. */ #define TCP_MIN_RCVMSS 536U +/* The least MTU to use for probing */ +#define TCP_BASE_MSS 512 + /* After receiving this amount of duplicate ACKs fast retransmit starts. */ #define TCP_FASTRETRANS_THRESH 3 @@ -219,6 +222,9 @@ extern int sysctl_tcp_nometrics_save; extern int sysctl_tcp_moderate_rcvbuf; extern int sysctl_tcp_tso_win_divisor; extern int sysctl_tcp_abc; +extern int sysctl_tcp_mtu_probing; +extern int sysctl_tcp_base_mss; +extern int sysctl_tcp_workaround_signed_windows; extern atomic_t tcp_memory_allocated; extern atomic_t tcp_sockets_allocated; @@ -347,6 +353,12 @@ extern int tcp_getsockopt(struct sock *sk, int level, extern int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int optlen); +extern int compat_tcp_getsockopt(struct sock *sk, + int level, int optname, + char __user *optval, int __user *optlen); +extern int compat_tcp_setsockopt(struct sock *sk, + int level, int optname, + char __user *optval, int optlen); extern void tcp_set_keepalive(struct sock *sk, int val); extern int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, @@ -447,6 +459,10 @@ extern int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, extern void tcp_initialize_rcv_mss(struct sock *sk); +extern int tcp_mtu_to_mss(struct sock *sk, int pmtu); +extern int tcp_mss_to_mtu(struct sock *sk, int mss); +extern void tcp_mtup_init(struct sock *sk); + static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd) { tp->pred_flags = htonl((tp->tcp_header_len << 26) | |