diff options
author | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:09:08 +0200 |
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committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-04 15:56:02 +0200 |
commit | 15dedf321036ae67c61f35a3ab55de767b07801f (patch) | |
tree | 08e18a1b8bb1339a8a8b68802fe4c4ad09b9cdfb /drivers/crypto/virtio/virtqueue.c | |
parent | 9f3a8cb4cfe59ea63e267f69700fb0fde13d7dd3 (diff) |
New upstream version 18.05upstream-18.05-stable
Change-Id: Ib515da8d5db1114f07a5fe26239d1c2061007c1c
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/crypto/virtio/virtqueue.c')
-rw-r--r-- | drivers/crypto/virtio/virtqueue.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/crypto/virtio/virtqueue.c b/drivers/crypto/virtio/virtqueue.c new file mode 100644 index 00000000..fd8be581 --- /dev/null +++ b/drivers/crypto/virtio/virtqueue.c @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD. + */ + +#include <stdint.h> + +#include <rte_mbuf.h> +#include <rte_crypto.h> +#include <rte_malloc.h> + +#include "virtqueue.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; +} + +void +virtqueue_detatch_unused(struct virtqueue *vq) +{ + struct rte_crypto_op *cop = NULL; + + int idx; + + if (vq != NULL) + for (idx = 0; idx < vq->vq_nentries; idx++) { + cop = vq->vq_descx[idx].crypto_op; + if (cop) { + if (cop->sym->m_src) + rte_pktmbuf_free(cop->sym->m_src); + if (cop->sym->m_dst) + rte_pktmbuf_free(cop->sym->m_dst); + rte_crypto_op_free(cop); + vq->vq_descx[idx].crypto_op = NULL; + } + } +} |