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IB/mthca: Fix SRQ cleanup during QP destroy

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When cleaning up a CQ for a QP attached to SRQ, need to free an SRQ
WQE only if the CQE is a receive completion.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Jack Morgenstein
2005-12-15 14:20:23 -08:00
committed by Roland Dreier
parent 6c7d2a75b5
commit 576d2e4e40
1 changed files with 10 additions and 1 deletions
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11
drivers/infiniband/hw/mthca/mthca_cq.c
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@@ -253,6 +253,15 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
wake_up(&cq->wait); wake_up(&cq->wait);
} }
static inline int is_recv_cqe(struct mthca_cqe *cqe)
{
if ((cqe->opcode & MTHCA_ERROR_CQE_OPCODE_MASK) ==
MTHCA_ERROR_CQE_OPCODE_MASK)
return !(cqe->opcode & 0x01);
else
return !(cqe->is_send & 0x80);
}
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn, void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
struct mthca_srq *srq) struct mthca_srq *srq)
{ {
@@ -296,7 +305,7 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
while ((int) --prod_index - (int) cq->cons_index >= 0) { while ((int) --prod_index - (int) cq->cons_index >= 0) {
cqe = get_cqe(cq, prod_index & cq->ibcq.cqe); cqe = get_cqe(cq, prod_index & cq->ibcq.cqe);
if (cqe->my_qpn == cpu_to_be32(qpn)) { if (cqe->my_qpn == cpu_to_be32(qpn)) {
if (srq) if (srq && is_recv_cqe(cqe))
mthca_free_srq_wqe(srq, be32_to_cpu(cqe->wqe)); mthca_free_srq_wqe(srq, be32_to_cpu(cqe->wqe));
++nfreed; ++nfreed;
} else if (nfreed) } else if (nfreed)