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ipv6: Use interface max_desync_factor instead of static default

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max_desync_factor can be configured per-interface, but nothing is
using the value.

Reported-by: Piotr Lewandowski <piotr.lewandowski@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2010-06-26 11:42:55 +00:00 committed by David S. Miller
parent f56619fc72
commit 784e2710ce
1 changed files with 4 additions and 4 deletions
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8
net/ipv6/addrconf.c
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@ -121,8 +121,6 @@ static inline void addrconf_sysctl_unregister(struct inet6_dev *idev)
static int __ipv6_regen_rndid(struct inet6_dev *idev);
static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
static void ipv6_regen_rndid(unsigned long data);
static int desync_factor = MAX_DESYNC_FACTOR * HZ;
#endif
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev);
@ -893,7 +891,8 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, struct inet6_ifaddr *i
idev->cnf.temp_valid_lft);
tmp_prefered_lft = min_t(__u32,
ifp->prefered_lft,
idev->cnf.temp_prefered_lft - desync_factor / HZ);
idev->cnf.temp_prefered_lft -
idev->cnf.max_desync_factor);
tmp_plen = ifp->prefix_len;
max_addresses = idev->cnf.max_addresses;
tmp_cstamp = ifp->cstamp;
@ -1653,7 +1652,8 @@ static void ipv6_regen_rndid(unsigned long data)
expires = jiffies +
idev->cnf.temp_prefered_lft * HZ -
idev->cnf.regen_max_retry * idev->cnf.dad_transmits * idev->nd_parms->retrans_time - desync_factor;
idev->cnf.regen_max_retry * idev->cnf.dad_transmits * idev->nd_parms->retrans_time -
idev->cnf.max_desync_factor * HZ;
if (time_before(expires, jiffies)) {
printk(KERN_WARNING
"ipv6_regen_rndid(): too short regeneration interval; timer disabled for %s.\n",