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IB/mthca: Correct reported SRQ size in MemFree case. 

MemFree devices need to reserve one shared receive queue (SRQ) work
request for internal use, so the capacity returned from the create_srq
and query_srq methods should be srq->max - 1.

Signed-off-by: Dotan Barak <dotanb@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Dotan Barak 2006-03-20 10:08:26 -08:00 committed by Roland Dreier
parent dc05980dd7
commit e10e271bfd
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/hw/mthca/mthca_srq.c
View File

@ -271,7 +271,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
srq->first_free = 0;
srq->last_free = srq->max - 1;
attr->max_wr = srq->max;
attr->max_wr = (mthca_is_memfree(dev)) ? srq->max - 1 : srq->max;
attr->max_sge = srq->max_gs;
return 0;
@ -386,7 +386,7 @@ int mthca_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
} else
srq_attr->srq_limit = 0;
srq_attr->max_wr = srq->max;
srq_attr->max_wr = (mthca_is_memfree(dev)) ? srq->max - 1 : srq->max;
srq_attr->max_sge = srq->max_gs;
out: