qede: Add support for ingress headroom

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Driver currently doesn't support any headroom; The only 'available'
space it has in the head of the buffer is due to the placement
offset.
In order to allow [later] support of XDP adjustment of headroom,
modify the the ingress flow to properly handle a scenario where
the packets would have such.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Mintz, Yuval 2017-04-07 11:05:00 +03:00 • committed by David S. Miller

parent 40b8c45492

commit 15ed8a47ff

3 changed files with 24 additions and 17 deletions

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13

drivers/net/ethernet/qlogic/qede/qede.h

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23

drivers/net/ethernet/qlogic/qede/qede_fp.c

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5

drivers/net/ethernet/qlogic/qede/qede_main.c

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