RDMA/qedr: Fix reporting QP timeout attribute
authorKamal Heib <kamalheib1@gmail.com>
Wed, 25 May 2022 13:20:29 +0000 (16:20 +0300)
committerLeon Romanovsky <leonro@nvidia.com>
Tue, 7 Jun 2022 08:46:56 +0000 (11:46 +0300)
Make sure to save the passed QP timeout attribute when the QP gets modified,
so when calling query QP the right value is reported and not the
converted value that is required by the firmware. This issue was found
while running the pyverbs tests.

Fixes: cecbcddf6461 ("qedr: Add support for QP verbs")
Link: https://lore.kernel.org/r/20220525132029.84813-1-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Michal KalderonĀ <michal.kalderon@marvell.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
drivers/infiniband/hw/qedr/qedr.h
drivers/infiniband/hw/qedr/verbs.c

index 8def88c..db9ef3e 100644 (file)
@@ -418,6 +418,7 @@ struct qedr_qp {
        u32 sq_psn;
        u32 qkey;
        u32 dest_qp_num;
+       u8 timeout;
 
        /* Relevant to qps created from kernel space only (ULPs) */
        u8 prev_wqe_size;
index f0f43b6..03ed7c0 100644 (file)
@@ -2613,6 +2613,8 @@ int qedr_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
                                        1 << max_t(int, attr->timeout - 8, 0);
                else
                        qp_params.ack_timeout = 0;
+
+               qp->timeout = attr->timeout;
        }
 
        if (attr_mask & IB_QP_RETRY_CNT) {
@@ -2772,7 +2774,7 @@ int qedr_query_qp(struct ib_qp *ibqp,
        rdma_ah_set_dgid_raw(&qp_attr->ah_attr, &params.dgid.bytes[0]);
        rdma_ah_set_port_num(&qp_attr->ah_attr, 1);
        rdma_ah_set_sl(&qp_attr->ah_attr, 0);
-       qp_attr->timeout = params.timeout;
+       qp_attr->timeout = qp->timeout;
        qp_attr->rnr_retry = params.rnr_retry;
        qp_attr->retry_cnt = params.retry_cnt;
        qp_attr->min_rnr_timer = params.min_rnr_nak_timer;