Rick Jones 36cbb2452c
udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicasts ...
As NIC multicast filtering isn't perfect, and some platforms are
quite content to spew broadcasts, we should not trigger an event
for skb:kfree_skb when we do not have a match for such an incoming
datagram. We do though want to avoid sweeping the matter under the
rug entirely, so increment a suitable statistic.
This incorporates feedback from David L. Stevens, Karl Neiss and Eric
Dumazet.
V3 - use bool per David Miller
Signed-off-by: Rick Jones <rick.jones2@hp.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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36cbb2452c