RDMA/bnxt_re: Avoid sending the modify QP workaround for latest adapters

The workaround to modify the UD QP from RTS to RTS is required
only for older adapters. Issuing this for latest adapters can caus
some unexpected behavior. Fix it

Fixes: 1801d87b3598 ("RDMA/bnxt_re: Support new 5760X P7 devices")
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20241204075416.478431-4-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 82023394e3300edcbf9555ad6dc283145ade81b1..5428a1408ceeead9c008df2ce65db1165e5db4f6 100644 (file)
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -2824,7 +2824,8 @@ bad:
                wr = wr->next;
        }
        bnxt_qplib_post_send_db(&qp->qplib_qp);
-       bnxt_ud_qp_hw_stall_workaround(qp);
+       if (!bnxt_qplib_is_chip_gen_p5_p7(qp->rdev->chip_ctx))
+               bnxt_ud_qp_hw_stall_workaround(qp);
        spin_unlock_irqrestore(&qp->sq_lock, flags);
        return rc;
 }
@@ -2936,7 +2937,8 @@ bad:
                wr = wr->next;
        }
        bnxt_qplib_post_send_db(&qp->qplib_qp);
-       bnxt_ud_qp_hw_stall_workaround(qp);
+       if (!bnxt_qplib_is_chip_gen_p5_p7(qp->rdev->chip_ctx))
+               bnxt_ud_qp_hw_stall_workaround(qp);
        spin_unlock_irqrestore(&qp->sq_lock, flags);
 
        return rc;