Messages in this thread Patch in this message | | | From | Dragos Ilie <> | Subject | [PATCH] ipv6: Fix premature timeout for MLDv1 compatibility mode | Date | Thu, 2 Aug 2012 09:51:06 +0200 |
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The timeout for MLDv1 compatibility mode is now calculated according to Section 9.2 in RFC 3810.
Signed-off-by: Dragos Ilie <dragos.ilie@gmail.com> --- net/ipv6/mcast.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 92f8e48..ef824a0 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -109,6 +109,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml, #define IGMP6_UNSOLICITED_IVAL (10*HZ) #define MLD_QRV_DEFAULT 2 +#define MLD_QIVAL_DEFAULT (125*HZ) #define MLD_V1_SEEN(idev) (dev_net((idev)->dev)->ipv6.devconf_all->force_mld_version == 1 || \ (idev)->cnf.force_mld_version == 1 || \ @@ -1152,7 +1153,7 @@ int igmp6_event_query(struct sk_buff *skb) /* Translate milliseconds to jiffies */ max_delay = (ntohs(mld->mld_maxdelay)*HZ)/1000; - switchback = (idev->mc_qrv + 1) * max_delay; + switchback = (idev->mc_qrv * MLD_QIVAL_DEFAULT) + max_delay; idev->mc_v1_seen = jiffies + switchback; /* cancel the interface change timer */ -- 1.7.8.6
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