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authorStephen Hemminger <shemminger@osdl.org>2005-06-23 12:19:55 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-23 12:19:55 -0700
commit317a76f9a44b437d6301718f4e5d08bd93f98da7 (patch)
treecaeba9839dee264f59b035b81c3d13d6c61b638e /net/ipv4/tcp_ipv4.c
parenta8ad86f2dc46356f87be1327dabc18bdbda32f50 (diff)
downloadop-kernel-dev-317a76f9a44b437d6301718f4e5d08bd93f98da7.zip
op-kernel-dev-317a76f9a44b437d6301718f4e5d08bd93f98da7.tar.gz
[TCP]: Add pluggable congestion control algorithm infrastructure.
Allow TCP to have multiple pluggable congestion control algorithms. Algorithms are defined by a set of operations and can be built in or modules. The legacy "new RENO" algorithm is used as a starting point and fallback. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 2d41d5d..9122814 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2048,6 +2048,7 @@ static int tcp_v4_init_sock(struct sock *sk)
tp->mss_cache_std = tp->mss_cache = 536;
tp->reordering = sysctl_tcp_reordering;
+ tp->ca_ops = &tcp_reno;
sk->sk_state = TCP_CLOSE;
@@ -2070,6 +2071,8 @@ int tcp_v4_destroy_sock(struct sock *sk)
tcp_clear_xmit_timers(sk);
+ tcp_cleanup_congestion_control(tp);
+
/* Cleanup up the write buffer. */
sk_stream_writequeue_purge(sk);
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