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authorJack Morgenstein <jackm@mellanox.co.il>2005-12-15 14:20:23 -0800
committerRoland Dreier <rolandd@cisco.com>2005-12-15 14:20:23 -0800
commit576d2e4e40315e8140c04be99cd057720d8a3817 (patch)
tree6d4097e260d4612520f81f65c2eeae372c36bfda /drivers/infiniband
parent6c7d2a75b512c64c910b69adf32dbaddb461910b (diff)
downloadop-kernel-dev-576d2e4e40315e8140c04be99cd057720d8a3817.zip
op-kernel-dev-576d2e4e40315e8140c04be99cd057720d8a3817.tar.gz
IB/mthca: Fix SRQ cleanup during QP destroy
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 4a8adce..fcef8dc 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -253,6 +253,15 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
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,
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) {
cqe = get_cqe(cq, prod_index & cq->ibcq.cqe);
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));
++nfreed;
} else if (nfreed)
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