From 509648b87434b9032d38b8ca5ad470ba3edcc036 Mon Sep 17 00:00:00 2001 From: Ido Barnea Date: Wed, 9 Dec 2015 05:07:44 +0200 Subject: Adding dpdk 2.2 instead of dpdk 1.8 and making changes to make compilation work. 40G and 10G filters do not work yet. --- src/dpdk22/drivers/net/virtio/virtqueue.c | 72 +++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 src/dpdk22/drivers/net/virtio/virtqueue.c (limited to 'src/dpdk22/drivers/net/virtio/virtqueue.c') diff --git a/src/dpdk22/drivers/net/virtio/virtqueue.c b/src/dpdk22/drivers/net/virtio/virtqueue.c new file mode 100644 index 00000000..7f60e3ef --- /dev/null +++ b/src/dpdk22/drivers/net/virtio/virtqueue.c @@ -0,0 +1,72 @@ +/*- + * 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. + */ +#include + +#include + +#include "virtqueue.h" +#include "virtio_logs.h" +#include "virtio_pci.h" + +void +virtqueue_disable_intr(struct virtqueue *vq) +{ + /* + * Set VRING_AVAIL_F_NO_INTERRUPT to hint host + * not to interrupt when it consumes packets + * Note: this is only considered a hint to the host + */ + vq->vq_ring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; +} + +/* + * Two types of mbuf to be cleaned: + * 1) mbuf that has been consumed by backend but not used by virtio. + * 2) mbuf that hasn't been consued by backend. + */ +struct rte_mbuf * +virtqueue_detatch_unused(struct virtqueue *vq) +{ + struct rte_mbuf *cookie; + int idx; + + if (vq != NULL) + for (idx = 0; idx < vq->vq_nentries; idx++) { + cookie = vq->vq_descx[idx].cookie; + if (cookie != NULL) { + vq->vq_descx[idx].cookie = NULL; + return cookie; + } + } + return NULL; +} -- cgit 1.2.3-korg