RDMA/irdma: Return correct WC error for bind operation failure

[ Upstream commit dcb23bbb1de7e009875fdfac2b8a9808a9319cc6 ]

When a QP and a MR on a local host are in different PDs, the HW generates
an asynchronous event (AE). The same AE is generated when a QP and a MW
are in different PDs during a bind operation. Return the more appropriate
IBV_WC_MW_BIND_ERR for the latter case by checking the OP type from the
CQE in error.

Fixes: 551c46edc769 ("RDMA/irdma: Add user/kernel shared libraries")
Signed-off-by: Sindhu-Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20220906223244.1119-4-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c
index 9b544a3..7e6c3ba 100644 (file)
--- a/drivers/infiniband/hw/irdma/uk.c
+++ b/drivers/infiniband/hw/irdma/uk.c
@@ -1068,6 +1068,7 @@ irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq, struct irdma_cq_poll_info *info)
        enum irdma_status_code ret_code;
        bool move_cq_head = true;
        u8 polarity;
+       u8 op_type;
        bool ext_valid;
        __le64 *ext_cqe;
 
@@ -1250,7 +1251,6 @@ irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq, struct irdma_cq_poll_info *info)
                        do {
                                __le64 *sw_wqe;
                                u64 wqe_qword;
-                               u8 op_type;
                                u32 tail;
 
                                tail = qp->sq_ring.tail;
@@ -1267,6 +1267,8 @@ irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq, struct irdma_cq_poll_info *info)
                                        break;
                                }
                        } while (1);
+                       if (op_type == IRDMA_OP_TYPE_BIND_MW && info->minor_err == FLUSH_PROT_ERR)
+                               info->minor_err = FLUSH_MW_BIND_ERR;
                        qp->sq_flush_seen = true;
                        if (!IRDMA_RING_MORE_WORK(qp->sq_ring))
                                qp->sq_flush_complete = true;