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[XFRM]: Allow XFRM_ACQ_EXPIRES to be tunable via sysctl.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2007-05-25 00:41:38 -07:00
parent 4738d2fa59
commit 01e67d08fa
3 changed files with 18 additions and 7 deletions
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15
net/xfrm/xfrm_state.c
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@ -21,18 +21,21 @@
#include <linux/cache.h>
#include <asm/uaccess.h>
#include <linux/audit.h>
#include <linux/cache.h>
#include "xfrm_hash.h"
struct sock *xfrm_nl;
EXPORT_SYMBOL(xfrm_nl);
u32 sysctl_xfrm_aevent_etime = XFRM_AE_ETIME;
u32 sysctl_xfrm_aevent_etime __read_mostly = XFRM_AE_ETIME;
EXPORT_SYMBOL(sysctl_xfrm_aevent_etime);
u32 sysctl_xfrm_aevent_rseqth = XFRM_AE_SEQT_SIZE;
u32 sysctl_xfrm_aevent_rseqth __read_mostly = XFRM_AE_SEQT_SIZE;
EXPORT_SYMBOL(sysctl_xfrm_aevent_rseqth);
u32 sysctl_xfrm_acq_expires __read_mostly = 30;
/* Each xfrm_state may be linked to two tables:
1. Hash table by (spi,daddr,ah/esp) to find SA by SPI. (input,ctl)
@ -622,8 +625,8 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, family);
hlist_add_head(&x->byspi, xfrm_state_byspi+h);
}
x->lft.hard_add_expires_seconds = XFRM_ACQ_EXPIRES;
x->timer.expires = jiffies + XFRM_ACQ_EXPIRES*HZ;
x->lft.hard_add_expires_seconds = sysctl_xfrm_acq_expires;
x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ;
add_timer(&x->timer);
xfrm_state_num++;
xfrm_hash_grow_check(x->bydst.next != NULL);
@ -772,9 +775,9 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re
x->props.family = family;
x->props.mode = mode;
x->props.reqid = reqid;
x->lft.hard_add_expires_seconds = XFRM_ACQ_EXPIRES;
x->lft.hard_add_expires_seconds = sysctl_xfrm_acq_expires;
xfrm_state_hold(x);
x->timer.expires = jiffies + XFRM_ACQ_EXPIRES*HZ;
x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ;
add_timer(&x->timer);
hlist_add_head(&x->bydst, xfrm_state_bydst+h);
h = xfrm_src_hash(daddr, saddr, family);