diff options
Diffstat (limited to 'src/seastar/dpdk/drivers/net/virtio/virtio_ethdev.h')
-rw-r--r-- | src/seastar/dpdk/drivers/net/virtio/virtio_ethdev.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/seastar/dpdk/drivers/net/virtio/virtio_ethdev.h b/src/seastar/dpdk/drivers/net/virtio/virtio_ethdev.h new file mode 100644 index 00000000..c3413c6d --- /dev/null +++ b/src/seastar/dpdk/drivers/net/virtio/virtio_ethdev.h @@ -0,0 +1,118 @@ +/*- + * 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 128U +#define VIRTIO_MAX_TX_QUEUES 128U +#define VIRTIO_MAX_MAC_ADDRS 64 +#define VIRTIO_MIN_RX_BUFSIZE 64 +#define VIRTIO_MAX_RX_PKTLEN 9728U + +/* Features desired/implemented by this driver. */ +#define VIRTIO_PMD_DEFAULT_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_CSUM | \ + 1u << VIRTIO_NET_F_HOST_TSO4 | \ + 1u << VIRTIO_NET_F_HOST_TSO6 | \ + 1u << VIRTIO_NET_F_MRG_RXBUF | \ + 1u << VIRTIO_NET_F_MTU | \ + 1u << VIRTIO_RING_F_INDIRECT_DESC | \ + 1ULL << VIRTIO_F_VERSION_1 | \ + 1ULL << VIRTIO_F_IOMMU_PLATFORM) + +#define VIRTIO_PMD_SUPPORTED_GUEST_FEATURES \ + (VIRTIO_PMD_DEFAULT_GUEST_FEATURES | \ + 1u << VIRTIO_NET_F_GUEST_CSUM | \ + 1u << VIRTIO_NET_F_GUEST_TSO4 | \ + 1u << VIRTIO_NET_F_GUEST_TSO6) +/* + * CQ function prototype + */ +void virtio_dev_cq_start(struct rte_eth_dev *dev); + +/* + * RX/TX function prototypes + */ + +int virtio_dev_rx_queue_done(void *rxq, uint16_t offset); + +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); + +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); + +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); + +void virtio_interrupt_handler(void *param); + +#endif /* _VIRTIO_ETHDEV_H_ */ |