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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 20:31:48 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 20:31:48 +0300
commit3d1f337b3e7378923c89f37afb573a918ef40be5 (patch)
tree386798378567a10d1c7b24f599cb50f70298694c /include/net/tcp.h
parent2bf2154c6bb5599e3ec3f73c34861a0b12aa839e (diff)
parent5e35941d990123f155b02d5663e51a24f816b6f3 (diff)
downloadlinux-3d1f337b3e7378923c89f37afb573a918ef40be5.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (235 commits) [NETFILTER]: Add H.323 conntrack/NAT helper [TG3]: Don't mark tg3_test_registers() as returning const. [IPV6]: Cleanups for net/ipv6/addrconf.c (kzalloc, early exit) v2 [IPV6]: Nearly complete kzalloc cleanup for net/ipv6 [IPV6]: Cleanup of net/ipv6/reassambly.c [BRIDGE]: Remove duplicate const from is_link_local() argument type. [DECNET]: net/decnet/dn_route.c: fix inconsequent NULL checking [TG3]: make drivers/net/tg3.c:tg3_request_irq() static [BRIDGE]: use LLC to send STP [LLC]: llc_mac_hdr_init const arguments [BRIDGE]: allow show/store of group multicast address [BRIDGE]: use llc for receiving STP packets [BRIDGE]: stp timer to jiffies cleanup [BRIDGE]: forwarding remove unneeded preempt and bh diasables [BRIDGE]: netfilter inline cleanup [BRIDGE]: netfilter VLAN macro cleanup [BRIDGE]: netfilter dont use __constant_htons [BRIDGE]: netfilter whitespace [BRIDGE]: optimize frame pass up [BRIDGE]: use kzalloc ...
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 77f21c65bbca..9418f4d1afbb 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) |