summaryrefslogtreecommitdiffstats
path: root/lib/librte_vhost/rte_virtio_net.h
diff options
context:
space:
mode:
authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 14:51:32 +0200
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 16:20:45 +0200
commit7595afa4d30097c1177b69257118d8ad89a539be (patch)
tree4bfeadc905c977e45e54a90c42330553b8942e4e /lib/librte_vhost/rte_virtio_net.h
parentce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff)
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'lib/librte_vhost/rte_virtio_net.h')
-rw-r--r--lib/librte_vhost/rte_virtio_net.h193
1 files changed, 0 insertions, 193 deletions
diff --git a/lib/librte_vhost/rte_virtio_net.h b/lib/librte_vhost/rte_virtio_net.h
deleted file mode 100644
index 926039c5..00000000
--- a/lib/librte_vhost/rte_virtio_net.h
+++ /dev/null
@@ -1,193 +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.
- */
-
-#ifndef _VIRTIO_NET_H_
-#define _VIRTIO_NET_H_
-
-/**
- * @file
- * Interface to vhost net
- */
-
-#include <stdint.h>
-#include <linux/vhost.h>
-#include <linux/virtio_ring.h>
-#include <linux/virtio_net.h>
-#include <sys/eventfd.h>
-#include <sys/socket.h>
-#include <linux/if.h>
-
-#include <rte_memory.h>
-#include <rte_mempool.h>
-#include <rte_ether.h>
-
-#define RTE_VHOST_USER_CLIENT (1ULL << 0)
-#define RTE_VHOST_USER_NO_RECONNECT (1ULL << 1)
-#define RTE_VHOST_USER_DEQUEUE_ZERO_COPY (1ULL << 2)
-
-/* Enum for virtqueue management. */
-enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
-
-/**
- * Device and vring operations.
- */
-struct virtio_net_device_ops {
- int (*new_device)(int vid); /**< Add device. */
- void (*destroy_device)(int vid); /**< Remove device. */
-
- int (*vring_state_changed)(int vid, uint16_t queue_id, int enable); /**< triggered when a vring is enabled or disabled */
-
- void *reserved[5]; /**< Reserved for future extension */
-};
-
-/**
- * Disable features in feature_mask. Returns 0 on success.
- */
-int rte_vhost_feature_disable(uint64_t feature_mask);
-
-/**
- * Enable features in feature_mask. Returns 0 on success.
- */
-int rte_vhost_feature_enable(uint64_t feature_mask);
-
-/* Returns currently supported vhost features */
-uint64_t rte_vhost_feature_get(void);
-
-int rte_vhost_enable_guest_notification(int vid, uint16_t queue_id, int enable);
-
-/**
- * Register vhost driver. path could be different for multiple
- * instance support.
- */
-int rte_vhost_driver_register(const char *path, uint64_t flags);
-
-/* Unregister vhost driver. This is only meaningful to vhost user. */
-int rte_vhost_driver_unregister(const char *path);
-
-/* Register callbacks. */
-int rte_vhost_driver_callback_register(struct virtio_net_device_ops const * const);
-/* Start vhost driver session blocking loop. */
-int rte_vhost_driver_session_start(void);
-
-/**
- * Get the numa node from which the virtio net device's memory
- * is allocated.
- *
- * @param vid
- * virtio-net device ID
- *
- * @return
- * The numa node, -1 on failure
- */
-int rte_vhost_get_numa_node(int vid);
-
-/**
- * Get the number of queues the device supports.
- *
- * @param vid
- * virtio-net device ID
- *
- * @return
- * The number of queues, 0 on failure
- */
-uint32_t rte_vhost_get_queue_num(int vid);
-
-/**
- * Get the virtio net device's ifname, which is the vhost-user socket
- * file path.
- *
- * @param vid
- * virtio-net device ID
- * @param buf
- * The buffer to stored the queried ifname
- * @param len
- * The length of buf
- *
- * @return
- * 0 on success, -1 on failure
- */
-int rte_vhost_get_ifname(int vid, char *buf, size_t len);
-
-/**
- * Get how many avail entries are left in the queue
- *
- * @param vid
- * virtio-net device ID
- * @param queue_id
- * virtio queue index
- *
- * @return
- * num of avail entires left
- */
-uint16_t rte_vhost_avail_entries(int vid, uint16_t queue_id);
-
-/**
- * This function adds buffers to the virtio devices RX virtqueue. Buffers can
- * be received from the physical port or from another virtual device. A packet
- * count is returned to indicate the number of packets that were succesfully
- * added to the RX queue.
- * @param vid
- * virtio-net device ID
- * @param queue_id
- * virtio queue index in mq case
- * @param pkts
- * array to contain packets to be enqueued
- * @param count
- * packets num to be enqueued
- * @return
- * num of packets enqueued
- */
-uint16_t rte_vhost_enqueue_burst(int vid, uint16_t queue_id,
- struct rte_mbuf **pkts, uint16_t count);
-
-/**
- * This function gets guest buffers from the virtio device TX virtqueue,
- * construct host mbufs, copies guest buffer content to host mbufs and
- * store them in pkts to be processed.
- * @param vid
- * virtio-net device
- * @param queue_id
- * virtio queue index in mq case
- * @param mbuf_pool
- * mbuf_pool where host mbuf is allocated.
- * @param pkts
- * array to contain packets to be dequeued
- * @param count
- * packets num to be dequeued
- * @return
- * num of packets dequeued
- */
-uint16_t rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
- struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count);
-
-#endif /* _VIRTIO_NET_H_ */