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authorDavid S. Miller <davem@davemloft.net>2010-12-02 12:14:29 -0800
committerDavid S. Miller <davem@davemloft.net>2010-12-02 12:14:29 -0800
commit493f377d6dd56f4e98b198d637fe714ab124681b (patch)
tree2e505bb0908fabd1f5cec1e40302e9f5b2d33077 /net/core/request_sock.c
parentae4694b2d3e4c0f47c0e804a68417be57e5daf85 (diff)
downloadlinux-493f377d6dd56f4e98b198d637fe714ab124681b.tar.bz2
tcp: Add timewait recycling bits to ipv6 connect code.
This will also improve handling of ipv6 tcp socket request backlog when syncookies are not enabled. When backlog becomes very deep, last quarter of backlog is limited to validated destinations. Previously only ipv4 implemented this logic, but now ipv6 does too. Now we are only one step away from enabling timewait recycling for ipv6, and that step is simply filling in the implementation of tcp_v6_get_peer() and tcp_v6_tw_get_peer(). Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/request_sock.c')
-rw-r--r--net/core/request_sock.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index 7552495aff7a..41d99435f62d 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -33,6 +33,7 @@
* Note : Dont forget somaxconn that may limit backlog too.
*/
int sysctl_max_syn_backlog = 256;
+EXPORT_SYMBOL(sysctl_max_syn_backlog);
int reqsk_queue_alloc(struct request_sock_queue *queue,
unsigned int nr_table_entries)