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ethernet: Add helpers to recognize addresses mapped to IP multicast
authorCasper Andersson <casper.casan@gmail.com>
Thu, 25 Aug 2022 09:28:35 +0000 (11:28 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Aug 2022 11:57:38 +0000 (12:57 +0100)
commite8013f8edaa30e17fd583a326daff1fa86b75c82
treee88ae3bf54e8bb71b35ed9a9a6bf6d1f12ed7794tree
parent9c5d03d362519f36cd551aec596388f895c93d2dcommit | diff
ethernet: Add helpers to recognize addresses mapped to IP multicast

IP multicast must sometimes be discriminated from non-IP multicast,
e.g. when determining the forwarding behavior of a given group in the
presence of multicast router ports on an offloaded bridge. Therefore,
provide helpers to identify these groups.

Signed-off-by: Casper Andersson <casper.casan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/etherdevice.h diff | blob | history
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