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| author | Jack Morgenstein <jackm@mellanox.co.il> | 2005-12-15 14:20:23 -0800 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2005-12-15 14:20:23 -0800 |
| commit | 576d2e4e40315e8140c04be99cd057720d8a3817 (patch) | |
| tree | 6d4097e260d4612520f81f65c2eeae372c36bfda | |
| parent | 6c7d2a75b512c64c910b69adf32dbaddb461910b (diff) | |
| download | linux-stable-576d2e4e40315e8140c04be99cd057720d8a3817.tar.gz linux-stable-576d2e4e40315e8140c04be99cd057720d8a3817.tar.bz2 linux-stable-576d2e4e40315e8140c04be99cd057720d8a3817.zip | |
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>
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 11 |
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 4a8adcef2079..fcef8dc2c121 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) |