commit 5f8ef48d240963093451bcf83df89f1a1364f51d
author Stephen Hemminger <shemminger@osdl.org> Thu Jun 23 20:37:36 2005 -0700
committer David S. Miller <davem@davemloft.net> Thu Jun 23 20:37:36 2005 -0700
tree cecb30c2f59778f7f509a84b3aa7ea097c3f2b27
parent 51b0bdedb8e784d0d969a6b77151911130812400

[TCP]: Allow choosing TCP congestion control via sockopt.

Allow using setsockopt to set TCP congestion control to use on a per
socket basis.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/tcp.h

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 3ea75dd..dfd93d0 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -127,6 +127,7 @@
 #define TCP_WINDOW_CLAMP	10	/* Bound advertised window */
 #define TCP_INFO		11	/* Information about this connection. */
 #define TCP_QUICKACK		12	/* Block/reenable quick acks */
+#define TCP_CONGESTION		13	/* Congestion control algorithm */
 
 #define TCPI_OPT_TIMESTAMPS	1
 #define TCPI_OPT_SACK		2

include/net/tcp.h

diff --git a/include/net/tcp.h b/include/net/tcp.h
index e427cf3..d04b211 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1162,8 +1162,9 @@
 extern void tcp_cleanup_congestion_control(struct tcp_sock *tp);
 extern int tcp_set_default_congestion_control(const char *name);
 extern void tcp_get_default_congestion_control(char *name);
+extern int tcp_set_congestion_control(struct tcp_sock *tp, const char *name);
 
-extern struct tcp_congestion_ops tcp_reno;
+extern struct tcp_congestion_ops tcp_init_congestion_ops;
 extern u32 tcp_reno_ssthresh(struct tcp_sock *tp);
 extern void tcp_reno_cong_avoid(struct tcp_sock *tp, u32 ack,
 				u32 rtt, u32 in_flight, int flag);