X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_rxtx_vec.h;fp=drivers%2Fnet%2Fmlx5%2Fmlx5_rxtx_vec.h;h=1f08ed0b27818c001ec3e1202a4e1111c857c5d3;hb=03e0868b4cd779e44ef5550fcfee603d3acd017a;hp=426169037c3bf8bbb4699d8b03f6a49533d5a10e;hpb=47cf8373a1792b4a2c49cc03994f479fd4a693a2;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5_rxtx_vec.h b/drivers/net/mlx5/mlx5_rxtx_vec.h
index 426169037c..1f08ed0b27 100644
--- a/drivers/net/mlx5/mlx5_rxtx_vec.h
+++ b/drivers/net/mlx5/mlx5_rxtx_vec.h
@@ -101,7 +101,7 @@ mlx5_rx_replenish_bulk_mbuf(struct mlx5_rxq_data *rxq, uint16_t n)
 {
 	const uint16_t q_n = 1 << rxq->elts_n;
 	const uint16_t q_mask = q_n - 1;
-	const uint16_t elts_idx = rxq->rq_ci & q_mask;
+	uint16_t elts_idx = rxq->rq_ci & q_mask;
 	struct rte_mbuf **elts = &(*rxq->elts)[elts_idx];
 	volatile struct mlx5_wqe_data_seg *wq = &(*rxq->wqes)[elts_idx];
 	unsigned int i;
@@ -119,6 +119,10 @@ mlx5_rx_replenish_bulk_mbuf(struct mlx5_rxq_data *rxq, uint16_t n)
 		wq[i].addr = rte_cpu_to_be_64((uintptr_t)elts[i]->buf_addr +
 					      RTE_PKTMBUF_HEADROOM);
 	rxq->rq_ci += n;
+	/* Prevent overflowing into consumed mbufs. */
+	elts_idx = rxq->rq_ci & q_mask;
+	for (i = 0; i < MLX5_VPMD_DESCS_PER_LOOP; ++i)
+		(*rxq->elts)[elts_idx + i] = &rxq->fake_mbuf;
 	rte_io_wmb();
 	*rxq->rq_db = rte_cpu_to_be_32(rxq->rq_ci);
 }