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linux/drivers/infiniband/hw/mlx4
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Jack Morgenstein c8681f1401 IB/mlx4: Correct max_srq_wr returned from mlx4_ib_query_device() 
We need to keep a spare entry in the SRQ so that there always is a
next WQE available when posting receives (so that we can tell the
difference between a full queue and an empty queue).  So subtract 1
from the value HW gives us before reporting the limit on SRQ entries
to consumers.

Found by Mellanox QA.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-06-21 13:39:10 -07:00
..
ah.c IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters 2007-05-08 18:00:38 -07:00
cq.c IB/mlx4: Handle buffer wraparound in __mlx4_ib_cq_clean() 2007-06-18 08:13:59 -07:00
doorbell.c IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters 2007-05-08 18:00:38 -07:00
Kconfig IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters 2007-05-08 18:00:38 -07:00
mad.c IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters 2007-05-08 18:00:38 -07:00
main.c IB/mlx4: Correct max_srq_wr returned from mlx4_ib_query_device() 2007-06-21 13:39:10 -07:00
Makefile IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters 2007-05-08 18:00:38 -07:00
mlx4_ib.h IB/mlx4: Handle new FW requirement for send request prefetching 2007-06-18 08:13:48 -07:00
mr.c IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters 2007-05-08 18:00:38 -07:00
qp.c IB/mlx4: Make sure inline data segments don't cross a 64 byte boundary 2007-06-18 09:23:47 -07:00
srq.c IB/mlx4: Check if SRQ is full when posting receive 2007-05-20 20:19:24 -07:00
user.h IB/mlx4: Handle new FW requirement for send request prefetching 2007-06-18 08:13:48 -07:00