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authorsilby <silby@FreeBSD.org>2001-12-14 18:26:52 +0000
committersilby <silby@FreeBSD.org>2001-12-14 18:26:52 +0000
commit1b6efabb9089079541ab9a7a4cfa29b4549d39b8 (patch)
tree9458910530be66ff976d7e17e5491b813e4b85a5 /sys/netinet
parentf8ad22919e217e5aa0f3f7a246fc37aaee182364 (diff)
downloadFreeBSD-src-1b6efabb9089079541ab9a7a4cfa29b4549d39b8.zip
FreeBSD-src-1b6efabb9089079541ab9a7a4cfa29b4549d39b8.tar.gz
Reduce the local network slowstart flightsize from infinity to 4 packets.
Now that we've increased the size of our send / receive buffers, bursting an entire window onto the network may cause congestion. As a result, we will slow start beginning with a flightsize of 4 packets. Problem reported by: Thomas Zenker <thz@Lennartz-electronic.de> MFC after: 3 days
Diffstat (limited to 'sys/netinet')
-rw-r--r--sys/netinet/tcp_output.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
index 9d3dac1..40ed7ee 100644
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -91,7 +91,7 @@ int ss_fltsz = 1;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, slowstart_flightsize, CTLFLAG_RW,
&ss_fltsz, 1, "Slow start flight size");
-int ss_fltsz_local = TCP_MAXWIN; /* something large */
+int ss_fltsz_local = 4;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, local_slowstart_flightsize, CTLFLAG_RW,
&ss_fltsz_local, 1, "Slow start flight size for local networks");
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