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[LLC]: multicast receive device match

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Fix from Aji_Srinivas@emc.com, STP packets are incorrectly received on
all LLC datagram sockets, whichever interface they are bound to.  The
llc_sap datagram receive logic sends packets with a unicast
destination MAC to one socket bound to that SAP and MAC, and multicast
packets to all sockets bound to that SAP. STP packets are multicast,
and we do need to know on which interface they were received.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2006-08-13 18:56:26 -07:00 committed by David S. Miller
parent d49c73c729
commit 7ee66fcb94
1 changed files with 3 additions and 0 deletions
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3
net/llc/llc_sap.c
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@ -330,6 +330,9 @@ static void llc_sap_mcast(struct llc_sap *sap,
if (llc->laddr.lsap != laddr->lsap)
continue;
if (llc->dev != skb->dev)
continue;
skb1 = skb_clone(skb, GFP_ATOMIC);
if (!skb1)
break;