net/virtio: fix mbuf data offset for simple Rx

[dpdk.git] / drivers / net / virtio / virtio_rxtx_simple.c

diff --git a/drivers/net/virtio/virtio_rxtx_simple.c b/drivers/net/virtio/virtio_rxtx_simple.c
index 54ababa..b1f610f 100644 (file)
--- a/drivers/net/virtio/virtio_rxtx_simple.c
+++ b/drivers/net/virtio/virtio_rxtx_simple.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   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 Intel Corporation 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) 2010-2015 Intel Corporation
  */
 
 #include <stdint.h>
@@ -39,13 +10,12 @@
 
 #include <rte_cycles.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_branch_prediction.h>
 #include <rte_mempool.h>
 #include <rte_malloc.h>
 #include <rte_mbuf.h>
 #include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_prefetch.h>
 #include <rte_string_fns.h>
 #include <rte_errno.h>
@@ -66,6 +36,7 @@ virtqueue_enqueue_recv_refill_simple(struct virtqueue *vq,
        uint16_t desc_idx;
 
        cookie->port = vq->rxq.port_id;
+       cookie->data_off = RTE_PKTMBUF_HEADROOM;
 
        desc_idx = vq->vq_avail_idx & (vq->vq_nentries - 1);
        dxp = &vq->vq_descx[desc_idx];
@@ -100,7 +71,7 @@ virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
        uint16_t desc_idx_max = (vq->vq_nentries >> 1) - 1;
        uint16_t nb_tx = 0;
 
-       if (unlikely(hw->started == 0))
+       if (unlikely(hw->started == 0 && tx_pkts != hw->inject_pkts))
                return nb_tx;
 
        nb_used = VIRTQUEUE_NUSED(vq);