1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2015 Intel Corporation 3 */ 4 5 #ifndef _VIRTIO_ETHDEV_H_ 6 #define _VIRTIO_ETHDEV_H_ 7 8 #include <stdint.h> 9 10 #include <ethdev_driver.h> 11 12 #include "virtio.h" 13 14 #define VIRTIO_MAX_RX_QUEUES 128U 15 #define VIRTIO_MAX_TX_QUEUES 128U 16 #define VIRTIO_MAX_MAC_ADDRS 64 17 #define VIRTIO_MIN_RX_BUFSIZE 64 18 #define VIRTIO_MAX_RX_PKTLEN 9728U 19 20 /* Features desired/implemented by this driver. */ 21 #define VIRTIO_PMD_DEFAULT_GUEST_FEATURES \ 22 (1u << VIRTIO_NET_F_MAC | \ 23 1u << VIRTIO_NET_F_STATUS | \ 24 1u << VIRTIO_NET_F_MQ | \ 25 1u << VIRTIO_NET_F_CTRL_MAC_ADDR | \ 26 1u << VIRTIO_NET_F_CTRL_VQ | \ 27 1u << VIRTIO_NET_F_CTRL_RX | \ 28 1u << VIRTIO_NET_F_CTRL_VLAN | \ 29 1u << VIRTIO_NET_F_MRG_RXBUF | \ 30 1u << VIRTIO_NET_F_MTU | \ 31 1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE | \ 32 1u << VIRTIO_RING_F_INDIRECT_DESC | \ 33 1ULL << VIRTIO_F_VERSION_1 | \ 34 1ULL << VIRTIO_F_IN_ORDER | \ 35 1ULL << VIRTIO_F_RING_PACKED | \ 36 1ULL << VIRTIO_F_IOMMU_PLATFORM | \ 37 1ULL << VIRTIO_F_ORDER_PLATFORM | \ 38 1ULL << VIRTIO_F_NOTIFICATION_DATA | \ 39 1ULL << VIRTIO_NET_F_SPEED_DUPLEX) 40 41 #define VIRTIO_PMD_SUPPORTED_GUEST_FEATURES \ 42 (VIRTIO_PMD_DEFAULT_GUEST_FEATURES | \ 43 1u << VIRTIO_NET_F_GUEST_CSUM | \ 44 1u << VIRTIO_NET_F_GUEST_TSO4 | \ 45 1u << VIRTIO_NET_F_GUEST_TSO6 | \ 46 1u << VIRTIO_NET_F_CSUM | \ 47 1u << VIRTIO_NET_F_HOST_TSO4 | \ 48 1u << VIRTIO_NET_F_HOST_TSO6) 49 50 extern const struct eth_dev_ops virtio_user_secondary_eth_dev_ops; 51 52 /* 53 * CQ function prototype 54 */ 55 void virtio_dev_cq_start(struct rte_eth_dev *dev); 56 57 /* 58 * RX/TX function prototypes 59 */ 60 61 int virtio_dev_rx_queue_done(void *rxq, uint16_t offset); 62 63 int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 64 uint16_t nb_rx_desc, unsigned int socket_id, 65 const struct rte_eth_rxconf *rx_conf, 66 struct rte_mempool *mb_pool); 67 68 int virtio_dev_rx_queue_setup_finish(struct rte_eth_dev *dev, 69 uint16_t rx_queue_id); 70 71 int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 72 uint16_t nb_tx_desc, unsigned int socket_id, 73 const struct rte_eth_txconf *tx_conf); 74 75 int virtio_dev_tx_queue_setup_finish(struct rte_eth_dev *dev, 76 uint16_t tx_queue_id); 77 78 uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 79 uint16_t nb_pkts); 80 uint16_t virtio_recv_pkts_packed(void *rx_queue, struct rte_mbuf **rx_pkts, 81 uint16_t nb_pkts); 82 83 uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 84 uint16_t nb_pkts); 85 86 uint16_t virtio_recv_mergeable_pkts_packed(void *rx_queue, 87 struct rte_mbuf **rx_pkts, uint16_t nb_pkts); 88 89 uint16_t virtio_recv_pkts_inorder(void *rx_queue, 90 struct rte_mbuf **rx_pkts, uint16_t nb_pkts); 91 92 uint16_t virtio_xmit_pkts_prepare(void *tx_queue, struct rte_mbuf **tx_pkts, 93 uint16_t nb_pkts); 94 95 uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 96 uint16_t nb_pkts); 97 uint16_t virtio_xmit_pkts_packed(void *tx_queue, struct rte_mbuf **tx_pkts, 98 uint16_t nb_pkts); 99 100 uint16_t virtio_xmit_pkts_inorder(void *tx_queue, struct rte_mbuf **tx_pkts, 101 uint16_t nb_pkts); 102 103 uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, 104 uint16_t nb_pkts); 105 106 uint16_t virtio_recv_pkts_packed_vec(void *rx_queue, struct rte_mbuf **rx_pkts, 107 uint16_t nb_pkts); 108 109 uint16_t virtio_xmit_pkts_packed_vec(void *tx_queue, struct rte_mbuf **tx_pkts, 110 uint16_t nb_pkts); 111 112 int eth_virtio_dev_init(struct rte_eth_dev *eth_dev); 113 114 void virtio_interrupt_handler(void *param); 115 116 int virtio_dev_pause(struct rte_eth_dev *dev); 117 void virtio_dev_resume(struct rte_eth_dev *dev); 118 int virtio_dev_stop(struct rte_eth_dev *dev); 119 int virtio_dev_close(struct rte_eth_dev *dev); 120 int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts, 121 int nb_pkts); 122 123 #endif /* _VIRTIO_ETHDEV_H_ */ 124