X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_rxtx_simple_neon.c;h=d6207d7bb38743db4c0ff8b9f9642c38507bcfd7;hb=a5bd3a14ab2278f54981aac7116bf3b832ca1a91;hp=793eefbea546af13837bd3ef36cc321cc886bc58;hpb=2d7c37194ee42bf31e401498adbd51dd14a6d6b5;p=dpdk.git diff --git a/drivers/net/virtio/virtio_rxtx_simple_neon.c b/drivers/net/virtio/virtio_rxtx_simple_neon.c index 793eefbea5..d6207d7bb3 100644 --- a/drivers/net/virtio/virtio_rxtx_simple_neon.c +++ b/drivers/net/virtio/virtio_rxtx_simple_neon.c @@ -1,34 +1,6 @@ -/* - * BSD LICENSE - * - * Copyright (C) Cavium networks Ltd. 2016 - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Cavium networks nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016 Cavium, Inc + */ #include #include @@ -40,10 +12,9 @@ #include #include #include -#include +#include #include #include -#include #include #include #include @@ -53,9 +24,7 @@ #include "virtio_rxtx_simple.h" -#define RTE_VIRTIO_VPMD_RX_BURST 32 #define RTE_VIRTIO_DESC_PER_LOOP 8 -#define RTE_VIRTIO_VPMD_RX_REARM_THRESH RTE_VIRTIO_VPMD_RX_BURST /* virtio vPMD receive routine, only accept(nb_pkts >= RTE_VIRTIO_DESC_PER_LOOP) * @@ -72,12 +41,13 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, { struct virtnet_rx *rxvq = rx_queue; struct virtqueue *vq = rxvq->vq; + struct virtio_hw *hw = vq->hw; uint16_t nb_used; uint16_t desc_idx; struct vring_used_elem *rused; struct rte_mbuf **sw_ring; struct rte_mbuf **sw_ring_end; - uint16_t nb_pkts_received; + uint16_t nb_pkts_received = 0; uint8x16_t shuf_msk1 = { 0xFF, 0xFF, 0xFF, 0xFF, /* packet type */ @@ -106,6 +76,9 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, 0, 0 }; + if (unlikely(hw->started == 0)) + return nb_pkts_received; + if (unlikely(nb_pkts < RTE_VIRTIO_DESC_PER_LOOP)) return 0;