IB/mlx4: Add Scatter FCS support over WQ creation

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As a default, for Ethernet packets, the device scatters only the payload
of ingress packets. The scatter FCS feature lets the user to get the FCS
(Ethernet's frame check sequence) in the received WR's buffer as a 4
Bytes trailer following the packet's payload.

Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Guy Levi <guyle@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Guy Levi 2018-03-15 16:56:40 +02:00 • committed by Jason Gunthorpe

parent 9c71172c4a

commit 6d06c9aa38

3 changed files with 32 additions and 9 deletions

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21

drivers/infiniband/hw/mlx4/main.c

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1

drivers/infiniband/hw/mlx4/mlx4_ib.h

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19

drivers/infiniband/hw/mlx4/qp.c

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