diff options
Diffstat (limited to 'src/dpdk_lib18/librte_pmd_virtio/virtqueue.c')
-rwxr-xr-x | src/dpdk_lib18/librte_pmd_virtio/virtqueue.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/src/dpdk_lib18/librte_pmd_virtio/virtqueue.c b/src/dpdk_lib18/librte_pmd_virtio/virtqueue.c deleted file mode 100755 index 8a3005fb..00000000 --- a/src/dpdk_lib18/librte_pmd_virtio/virtqueue.c +++ /dev/null @@ -1,70 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 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 <stdint.h> - -#include <rte_mbuf.h> - -#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; - - for (idx = 0; idx < vq->vq_nentries; idx++) { - if ((cookie = vq->vq_descx[idx].cookie) != NULL) { - vq->vq_descx[idx].cookie = NULL; - return cookie; - } - } - return NULL; -} |