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/*-
* 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.
*/
#ifndef _VIRTIO_ETHDEV_H_
#define _VIRTIO_ETHDEV_H_
#include <stdint.h>
#include "virtio_pci.h"
#define SPEED_10 10
#define SPEED_100 100
#define SPEED_1000 1000
#define SPEED_10G 10000
#ifndef PAGE_SIZE
#define PAGE_SIZE 4096
#endif
#define VIRTIO_MAX_RX_QUEUES 128
#define VIRTIO_MAX_TX_QUEUES 128
#define VIRTIO_MAX_MAC_ADDRS 64
#define VIRTIO_MIN_RX_BUFSIZE 64
#define VIRTIO_MAX_RX_PKTLEN 9728
/* Features desired/implemented by this driver. */
#define VIRTIO_PMD_GUEST_FEATURES \
(1u << VIRTIO_NET_F_MAC | \
1u << VIRTIO_NET_F_STATUS | \
1u << VIRTIO_NET_F_MQ | \
1u << VIRTIO_NET_F_CTRL_MAC_ADDR | \
1u << VIRTIO_NET_F_CTRL_VQ | \
1u << VIRTIO_NET_F_CTRL_RX | \
1u << VIRTIO_NET_F_CTRL_VLAN | \
1u << VIRTIO_NET_F_MRG_RXBUF | \
1ULL << VIRTIO_F_VERSION_1)
/*
* CQ function prototype
*/
void virtio_dev_cq_start(struct rte_eth_dev *dev);
/*
* RX/TX function prototypes
*/
void virtio_dev_rxtx_start(struct rte_eth_dev *dev);
int virtio_dev_queue_setup(struct rte_eth_dev *dev,
int queue_type,
uint16_t queue_idx,
uint16_t vtpci_queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
void **pvq);
void virtio_dev_queue_release(struct virtqueue *vq);
int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
uint16_t nb_rx_desc, unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mb_pool);
void virtio_dev_rx_queue_release(void *rxq);
int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
uint16_t nb_tx_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf);
void virtio_dev_tx_queue_release(void *txq);
uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
uint16_t virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts);
int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
/*
* The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us
* frames larger than 1514 bytes. We do not yet support software LRO
* via tcp_lro_rx().
*/
#define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 | \
VIRTIO_NET_F_GUEST_TSO6 | VIRTIO_NET_F_GUEST_ECN)
#endif /* _VIRTIO_ETHDEV_H_ */
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