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authorDavid S. Miller <davem@davemloft.net>2012-11-22 15:24:30 -0500
committerDavid S. Miller <davem@davemloft.net>2012-11-22 15:24:30 -0500
commit5e7873d1450e1809b017b943417530db3955ac5f (patch)
treeeee7e724fa10e0cccb5f10707bce247d7eba721b /net/ipv4
parentef6c5be658f6a70c1256fbd18e18ee0dc24c3386 (diff)
parent703fb94ec58e0e8769380c2877a8a34aeb5b6c97 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says: ==================== This pull request is intended for 3.7 and contains a single patch to fix the IPsec gc threshold value for ipv4. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/route.c2
-rw-r--r--net/ipv4/xfrm4_policy.c13
2 files changed, 2 insertions, 13 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a8c651216fa6..200d287e49f5 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2597,7 +2597,7 @@ int __init ip_rt_init(void)
2597 pr_err("Unable to create route proc files\n"); 2597 pr_err("Unable to create route proc files\n");
2598#ifdef CONFIG_XFRM 2598#ifdef CONFIG_XFRM
2599 xfrm_init(); 2599 xfrm_init();
2600 xfrm4_init(ip_rt_max_size); 2600 xfrm4_init();
2601#endif 2601#endif
2602 rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL); 2602 rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL);
2603 2603
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 05c5ab8d983c..3be0ac2c1920 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -279,19 +279,8 @@ static void __exit xfrm4_policy_fini(void)
279 xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo); 279 xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo);
280} 280}
281 281
282void __init xfrm4_init(int rt_max_size) 282void __init xfrm4_init(void)
283{ 283{
284 /*
285 * Select a default value for the gc_thresh based on the main route
286 * table hash size. It seems to me the worst case scenario is when
287 * we have ipsec operating in transport mode, in which we create a
288 * dst_entry per socket. The xfrm gc algorithm starts trying to remove
289 * entries at gc_thresh, and prevents new allocations as 2*gc_thresh
290 * so lets set an initial xfrm gc_thresh value at the rt_max_size/2.
291 * That will let us store an ipsec connection per route table entry,
292 * and start cleaning when were 1/2 full
293 */
294 xfrm4_dst_ops.gc_thresh = rt_max_size/2;
295 dst_entries_init(&xfrm4_dst_ops); 284 dst_entries_init(&xfrm4_dst_ops);
296 285
297 xfrm4_state_init(); 286 xfrm4_state_init();