net/enic: initialize RQ fetch index before enabling RQ

[dpdk.git] / drivers / net / enic / enic_main.c

diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index aba2ff5..863d246 100644 (file)
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -320,6 +320,8 @@ enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
         * enic_start_rq().
         */
        rq->need_initial_post = true;
+       /* Initialize fetch index while RQ is disabled */
+       iowrite32(0, &rq->ctrl->fetch_index);
        return 0;
 }
 
@@ -345,7 +347,6 @@ enic_initial_post_rx(struct enic *enic, struct vnic_rq *rq)
        dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
                enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
        iowrite32(rq->posted_index, &rq->ctrl->posted_index);
-       iowrite32(0, &rq->ctrl->fetch_index);
        rte_rmb();
        rq->need_initial_post = false;
 }