-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2017 Intel Corporation
*/
#ifndef _MAIN_H_
#define _MAIN_H_
+#include <sys/queue.h>
+
+#include <rte_ether.h>
+
/* Macros for printing using RTE_LOG */
#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
-/*
- * Device linked list structure for data path.
- */
+enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
+
+#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */
+
+struct device_statistics {
+ uint64_t tx;
+ uint64_t tx_total;
+ rte_atomic64_t rx_atomic;
+ rte_atomic64_t rx_total_atomic;
+};
+
+struct vhost_queue {
+ struct rte_vhost_vring vr;
+ uint16_t last_avail_idx;
+ uint16_t last_used_idx;
+};
+
struct vhost_dev {
- /**< Pointer to device created by vhost lib. */
- struct virtio_net *dev;
/**< Number of memory regions for gpa to hpa translation. */
uint32_t nregions_hpa;
/**< Device MAC address (Obtained on first TX packet). */
- struct ether_addr mac_address;
+ struct rte_ether_addr mac_address;
/**< RX VMDQ queue number. */
uint16_t vmdq_rx_q;
/**< Vlan tag assigned to the pool */
volatile uint8_t ready;
/**< Device is marked for removal from the data core. */
volatile uint8_t remove;
+
+ int vid;
+ uint64_t features;
+ size_t hdr_len;
+ uint16_t nr_vrings;
+ struct rte_vhost_memory *mem;
+ struct device_statistics stats;
+ TAILQ_ENTRY(vhost_dev) global_vdev_entry;
+ TAILQ_ENTRY(vhost_dev) lcore_vdev_entry;
+
+#define MAX_QUEUE_PAIRS 4
+ struct vhost_queue queues[MAX_QUEUE_PAIRS * 2];
} __rte_cache_aligned;
-struct virtio_net_data_ll
-{
- struct vhost_dev *vdev; /* Pointer to device created by configuration core. */
- struct virtio_net_data_ll *next; /* Pointer to next device in linked list. */
-};
+TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev);
+
+
+#define REQUEST_DEV_REMOVAL 1
+#define ACK_DEV_REMOVAL 0
/*
* Structure containing data core specific information.
*/
-struct lcore_ll_info
-{
- struct virtio_net_data_ll *ll_root_free; /* Pointer to head in free linked list. */
- struct virtio_net_data_ll *ll_root_used; /* Pointer to head of used linked list. */
- uint32_t device_num; /* Number of devices on lcore. */
- volatile uint8_t dev_removal_flag; /* Flag to synchronize device removal. */
-};
+struct lcore_info {
+ uint32_t device_num;
+
+ /* Flag to synchronize device removal. */
+ volatile uint8_t dev_removal_flag;
-struct lcore_info
-{
- struct lcore_ll_info *lcore_ll; /* Pointer to data core specific lcore_ll_info struct */
+ struct vhost_dev_tailq_list vdev_list;
};
+/* we implement non-extra virtio net features */
+#define VIRTIO_NET_FEATURES 0
+
+void vs_vhost_net_setup(struct vhost_dev *dev);
+void vs_vhost_net_remove(struct vhost_dev *dev);
+uint16_t vs_enqueue_pkts(struct vhost_dev *dev, uint16_t queue_id,
+ struct rte_mbuf **pkts, uint32_t count);
+
+uint16_t vs_dequeue_pkts(struct vhost_dev *dev, uint16_t queue_id,
+ struct rte_mempool *mbuf_pool,
+ struct rte_mbuf **pkts, uint16_t count);
#endif /* _MAIN_H_ */
git.droids-corp.org / dpdk.git / blobdiff