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ipv6: send only one NEWLINK when RA causes changes

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Signed-off-by: Marius Tomaschewski <mt@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marius Tomaschewski 2015-09-01 01:57:30 +02:00 committed by David S. Miller
parent c42858eaf4
commit 2053aeb69a
1 changed files with 10 additions and 3 deletions
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13
net/ipv6/ndisc.c
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@ -1079,6 +1079,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
int optlen;
unsigned int pref = 0;
__u32 old_if_flags;
bool send_ifinfo_notify = false;
__u8 *opt = (__u8 *)(ra_msg + 1);
@ -1158,7 +1159,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
IF_RA_OTHERCONF : 0);
if (old_if_flags != in6_dev->if_flags)
inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
send_ifinfo_notify = true;
if (!in6_dev->cnf.accept_ra_defrtr) {
ND_PRINTK(2, info,
@ -1261,7 +1262,7 @@ skip_defrtr:
rtime = HZ/10;
NEIGH_VAR_SET(in6_dev->nd_parms, RETRANS_TIME, rtime);
in6_dev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
send_ifinfo_notify = true;
}
rtime = ntohl(ra_msg->reachable_time);
@ -1278,11 +1279,17 @@ skip_defrtr:
GC_STALETIME, 3 * rtime);
in6_dev->nd_parms->reachable_time = neigh_rand_reach_time(rtime);
in6_dev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
send_ifinfo_notify = true;
}
}
}
/*
* Send a notify if RA changed managed/otherconf flags or timer settings
*/
if (send_ifinfo_notify)
inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
skip_linkparms:
/*