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 #ifndef PAGE_SIZE 15 #define PAGE_SIZE 4096 16 #endif 17 18 #define VIRTIO_MAX_RX_QUEUES 128U 19 #define VIRTIO_MAX_TX_QUEUES 128U 20 #define VIRTIO_MAX_MAC_ADDRS 64 21 #define VIRTIO_MIN_RX_BUFSIZE 64 22 #define VIRTIO_MAX_RX_PKTLEN 9728U 23 24 /* Features desired/implemented by this driver. */ 25 #define VIRTIO_PMD_DEFAULT_GUEST_FEATURES \ 26 (1u << VIRTIO_NET_F_MAC | \ 27 1u << VIRTIO_NET_F_STATUS | \ 28 1u << VIRTIO_NET_F_MQ | \ 29 1u << VIRTIO_NET_F_CTRL_MAC_ADDR | \ 30 1u << VIRTIO_NET_F_CTRL_VQ | \ 31 1u << VIRTIO_NET_F_CTRL_RX | \ 32 1u << VIRTIO_NET_F_CTRL_VLAN | \ 33 1u << VIRTIO_NET_F_MRG_RXBUF | \ 34 1u << VIRTIO_NET_F_MTU | \ 35 1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE | \ 36 1u << VIRTIO_RING_F_INDIRECT_DESC | \ 37 1ULL << VIRTIO_F_VERSION_1 | \ 38 1ULL << VIRTIO_F_IN_ORDER | \ 39 1ULL << VIRTIO_F_RING_PACKED | \ 40 1ULL << VIRTIO_F_IOMMU_PLATFORM | \ 41 1ULL << VIRTIO_F_ORDER_PLATFORM | \ 42 1ULL << VIRTIO_F_NOTIFICATION_DATA | \ 43 1ULL << VIRTIO_NET_F_SPEED_DUPLEX) 44 45 #define VIRTIO_PMD_SUPPORTED_GUEST_FEATURES \ 46 (VIRTIO_PMD_DEFAULT_GUEST_FEATURES | \ 47 1u << VIRTIO_NET_F_GUEST_CSUM | \ 48 1u << VIRTIO_NET_F_GUEST_TSO4 | \ 49 1u << VIRTIO_NET_F_GUEST_TSO6 | \ 50 1u << VIRTIO_NET_F_CSUM | \ 51 1u << VIRTIO_NET_F_HOST_TSO4 | \ 52 1u << VIRTIO_NET_F_HOST_TSO6) 53 54 extern const struct eth_dev_ops virtio_user_secondary_eth_dev_ops; 55 56 /* 57 * CQ function prototype 58 */ 59 void virtio_dev_cq_start(struct rte_eth_dev *dev); 60 61 /* 62 * RX/TX function prototypes 63 */ 64 65 int virtio_dev_rx_queue_done(void *rxq, uint16_t offset); 66 67 int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 68 uint16_t nb_rx_desc, unsigned int socket_id, 69 const struct rte_eth_rxconf *rx_conf, 70 struct rte_mempool *mb_pool); 71 72 int virtio_dev_rx_queue_setup_finish(struct rte_eth_dev *dev, 73 uint16_t rx_queue_id); 74 75 int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 76 uint16_t nb_tx_desc, unsigned int socket_id, 77 const struct rte_eth_txconf *tx_conf); 78 79 int virtio_dev_tx_queue_setup_finish(struct rte_eth_dev *dev, 80 uint16_t tx_queue_id); 81 82 uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 83 uint16_t nb_pkts); 84 uint16_t virtio_recv_pkts_packed(void *rx_queue, struct rte_mbuf **rx_pkts, 85 uint16_t nb_pkts); 86 87 uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, 88 uint16_t nb_pkts); 89 90 uint16_t virtio_recv_mergeable_pkts_packed(void *rx_queue, 91 struct rte_mbuf **rx_pkts, uint16_t nb_pkts); 92 93 uint16_t virtio_recv_pkts_inorder(void *rx_queue, 94 struct rte_mbuf **rx_pkts, uint16_t nb_pkts); 95 96 uint16_t virtio_xmit_pkts_prepare(void *tx_queue, struct rte_mbuf **tx_pkts, 97 uint16_t nb_pkts); 98 99 uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 100 uint16_t nb_pkts); 101 uint16_t virtio_xmit_pkts_packed(void *tx_queue, struct rte_mbuf **tx_pkts, 102 uint16_t nb_pkts); 103 104 uint16_t virtio_xmit_pkts_inorder(void *tx_queue, struct rte_mbuf **tx_pkts, 105 uint16_t nb_pkts); 106 107 uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, 108 uint16_t nb_pkts); 109 110 uint16_t virtio_recv_pkts_packed_vec(void *rx_queue, struct rte_mbuf **rx_pkts, 111 uint16_t nb_pkts); 112 113 uint16_t virtio_xmit_pkts_packed_vec(void *tx_queue, struct rte_mbuf **tx_pkts, 114 uint16_t nb_pkts); 115 116 int eth_virtio_dev_init(struct rte_eth_dev *eth_dev); 117 118 void virtio_interrupt_handler(void *param); 119 120 int virtio_dev_pause(struct rte_eth_dev *dev); 121 void virtio_dev_resume(struct rte_eth_dev *dev); 122 int virtio_dev_stop(struct rte_eth_dev *dev); 123 int virtio_dev_close(struct rte_eth_dev *dev); 124 int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts, 125 int nb_pkts); 126 127 #endif /* _VIRTIO_ETHDEV_H_ */ 128