s390/qeth: use ip*_eth_mc_map helpers

Get rid of some wrapper indirection, and stop accessing the skb at
hard-coded offsets.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2017-12-20 20:10:57 +01:00 • committed by David S. Miller
commit 8d9183d6eb