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authorDmitry Torokhov <dtor_core@ameritech.net>2006-04-02 00:08:05 -0500
committerDmitry Torokhov <dtor_core@ameritech.net>2006-04-02 00:08:05 -0500
commit95d465fd750897ab32462a6702fbfe1b122cbbc0 (patch)
tree65c38b2f11c51bb6932e44dd6c92f15b0091abfe /include/net/tcp.h
parent642fde17dceceb56c7ba2762733ac688666ae657 (diff)
parent683aa4012f53b2ada0f430487e05d37b0d94e90a (diff)
downloadblackbird-op-linux-95d465fd750897ab32462a6702fbfe1b122cbbc0.tar.gz
blackbird-op-linux-95d465fd750897ab32462a6702fbfe1b122cbbc0.zip
Manual merge with Linus.
Conflicts: arch/powerpc/kernel/setup-common.c drivers/input/keyboard/hil_kbd.c drivers/input/mouse/hil_ptr.c
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 77f21c65bbca..3c989db8a7aa 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,
@@ -393,9 +405,6 @@ extern int tcp_disconnect(struct sock *sk, int flags);
extern void tcp_unhash(struct sock *sk);
-extern int tcp_v4_hash_connecting(struct sock *sk);
-
-
/* From syncookies.c */
extern struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
struct ip_options *opt);
@@ -447,6 +456,10 @@ 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) |
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