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34 #ifndef _VIRTIO_ETHDEV_H_
35 #define _VIRTIO_ETHDEV_H_
39 #include "virtio_pci.h"
43 #define SPEED_1000 1000
44 #define SPEED_10G 10000
47 #define PAGE_SIZE 4096
50 #define VIRTIO_MAX_RX_QUEUES 128
51 #define VIRTIO_MAX_TX_QUEUES 128
52 #define VIRTIO_MAX_MAC_ADDRS 64
53 #define VIRTIO_MIN_RX_BUFSIZE 64
54 #define VIRTIO_MAX_RX_PKTLEN 9728
56 /* Features desired/implemented by this driver. */
57 #define VIRTIO_PMD_GUEST_FEATURES \
58 (1u << VIRTIO_NET_F_MAC | \
59 1u << VIRTIO_NET_F_STATUS | \
60 1u << VIRTIO_NET_F_MQ | \
61 1u << VIRTIO_NET_F_CTRL_MAC_ADDR | \
62 1u << VIRTIO_NET_F_CTRL_VQ | \
63 1u << VIRTIO_NET_F_CTRL_RX | \
64 1u << VIRTIO_NET_F_CTRL_VLAN | \
65 1u << VIRTIO_NET_F_MRG_RXBUF | \
66 1ULL << VIRTIO_F_VERSION_1)
69 * CQ function prototype
71 void virtio_dev_cq_start(struct rte_eth_dev *dev);
74 * RX/TX function prototypes
76 void virtio_dev_rxtx_start(struct rte_eth_dev *dev);
78 int virtio_dev_queue_setup(struct rte_eth_dev *dev,
81 uint16_t vtpci_queue_idx,
83 unsigned int socket_id,
86 void virtio_dev_queue_release(struct virtqueue *vq);
88 int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
89 uint16_t nb_rx_desc, unsigned int socket_id,
90 const struct rte_eth_rxconf *rx_conf,
91 struct rte_mempool *mb_pool);
93 void virtio_dev_rx_queue_release(void *rxq);
95 int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
96 uint16_t nb_tx_desc, unsigned int socket_id,
97 const struct rte_eth_txconf *tx_conf);
99 void virtio_dev_tx_queue_release(void *txq);
101 uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
104 uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
107 uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
110 uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
113 uint16_t virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
116 int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
119 * The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us
120 * frames larger than 1514 bytes. We do not yet support software LRO
123 #define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 | \
124 VIRTIO_NET_F_GUEST_TSO6 | VIRTIO_NET_F_GUEST_ECN)
127 #endif /* _VIRTIO_ETHDEV_H_ */