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| author | Daniel Borkmann <dborkman@redhat.com> | 2013-09-04 00:19:39 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-09-04 14:53:20 -0400 |
| commit | e3f5b17047dec4acd8957dad053e70d87f18d97e (patch) | |
| tree | d7386719180cff0e7ab8c98cc530c5ac7ec7c62a /net/ipv6/mcast.c | |
| parent | 6c567b78c8a7da26e5e6f5bd458882ad9967233a (diff) | |
| download | linux-e3f5b17047dec4acd8957dad053e70d87f18d97e.tar.gz linux-e3f5b17047dec4acd8957dad053e70d87f18d97e.tar.bz2 linux-e3f5b17047dec4acd8957dad053e70d87f18d97e.zip | |
net: ipv6: mld: get rid of MLDV2_MRC and simplify calculation
Get rid of MLDV2_MRC and use our new macros for mantisse and
exponent to calculate Maximum Response Delay out of the Maximum
Response Code.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/mcast.c')
| -rw-r--r-- | net/ipv6/mcast.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index f86e26b7296c..005b22fd6bcb 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1195,20 +1195,7 @@ static void mld_update_qri(struct inet6_dev *idev, * - 5.1.3. Maximum Response Code * - 9.3. Query Response Interval */ - unsigned long mc_qri, mc_mrc = ntohs(mlh2->mld2q_mrc); - - if (mc_mrc < 32768) { - mc_qri = mc_mrc; - } else { - unsigned long mc_man, mc_exp; - - mc_exp = MLDV2_MRC_EXP(mc_mrc); - mc_man = MLDV2_MRC_MAN(mc_mrc); - - mc_qri = (mc_man | 0x1000) << (mc_exp + 3); - } - - idev->mc_qri = msecs_to_jiffies(mc_qri); + idev->mc_qri = msecs_to_jiffies(mldv2_mrc(mlh2)); } /* called with rcu_read_lock() */ @@ -1277,8 +1264,7 @@ int igmp6_event_query(struct sk_buff *skb) mlh2 = (struct mld2_query *)skb_transport_header(skb); - max_delay = max(msecs_to_jiffies(MLDV2_MRC(ntohs(mlh2->mld2q_mrc))), 1UL); - + max_delay = max(msecs_to_jiffies(mldv2_mrc(mlh2)), 1UL); idev->mc_maxdelay = max_delay; mld_update_qrv(idev, mlh2); |