Rob Herring ef468d2347 net: calxedaxgmac: ip align receive buffers ... On gcc 4.7, we will get alignment traps in the ip stack if we don't align the ip headers on receive. The h/w can support this, so use ip aligned allocations. Cut down the unnecessary padding on the allocation. The buffer can start on any byte alignment, but the size including the begining offset must be 8 byte aligned. So the h/w buffer size must include the NET_IP_ALIGN offset. Thanks to Eric Dumazet for the initial patch highlighting the padding issues. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2012-11-07 03:51:14 -05:00
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xgmac.c	net: calxedaxgmac: ip align receive buffers	2012-11-07 03:51:14 -05:00