IB/mlx4: Utilize macro to calculate SQ spare size
authorYuval Shaia <yuval.shaia@oracle.com>
Tue, 11 Dec 2018 08:36:47 +0000 (10:36 +0200)
committerJason Gunthorpe <jgg@mellanox.com>
Tue, 18 Dec 2018 21:24:34 +0000 (14:24 -0700)
commit350b4c8ac1b4c07909ab7f8ad4303fff2505ab7c
treee639558f7af77c1bd6ec892b703754acb1ff94b5
parente9dfa53a399545056cf97cf8c996d71dcebb4d7e
IB/mlx4: Utilize macro to calculate SQ spare size

The macro MLX4_IB_SQ_HEADROOM calculates the spare room needed to be
left. Use it instead of hard-coding the HW prefetch size.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
drivers/infiniband/hw/mlx4/qp.c