1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2015 Intel Corporation
5 #ifndef _VIRTIO_ETHDEV_H_
6 #define _VIRTIO_ETHDEV_H_
10 #include <ethdev_driver.h>
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
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)
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 1ULL << VIRTIO_NET_F_RSS)
51 extern const struct eth_dev_ops virtio_user_secondary_eth_dev_ops;
54 * CQ function prototype
56 void virtio_dev_cq_start(struct rte_eth_dev *dev);
59 * RX/TX function prototypes
62 int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
63 uint16_t nb_rx_desc, unsigned int socket_id,
64 const struct rte_eth_rxconf *rx_conf,
65 struct rte_mempool *mb_pool);
67 int virtio_dev_rx_queue_setup_finish(struct rte_eth_dev *dev,
68 uint16_t rx_queue_id);
70 int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
71 uint16_t nb_tx_desc, unsigned int socket_id,
72 const struct rte_eth_txconf *tx_conf);
74 int virtio_dev_tx_queue_setup_finish(struct rte_eth_dev *dev,
75 uint16_t tx_queue_id);
77 uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
79 uint16_t virtio_recv_pkts_packed(void *rx_queue, struct rte_mbuf **rx_pkts,
82 uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
85 uint16_t virtio_recv_mergeable_pkts_packed(void *rx_queue,
86 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
88 uint16_t virtio_recv_pkts_inorder(void *rx_queue,
89 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
91 uint16_t virtio_xmit_pkts_prepare(void *tx_queue, struct rte_mbuf **tx_pkts,
94 uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
96 uint16_t virtio_xmit_pkts_packed(void *tx_queue, struct rte_mbuf **tx_pkts,
99 uint16_t virtio_xmit_pkts_inorder(void *tx_queue, struct rte_mbuf **tx_pkts,
102 uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
105 uint16_t virtio_recv_pkts_packed_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
108 uint16_t virtio_xmit_pkts_packed_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
111 int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
113 void virtio_interrupt_handler(void *param);
115 int virtio_dev_pause(struct rte_eth_dev *dev);
116 void virtio_dev_resume(struct rte_eth_dev *dev);
117 int virtio_dev_stop(struct rte_eth_dev *dev);
118 int virtio_dev_close(struct rte_eth_dev *dev);
119 int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts,
122 bool virtio_rx_check_scatter(uint16_t max_rx_pkt_len, uint16_t rx_buf_size,
123 bool rx_scatter_enabled, const char **error);
125 uint16_t virtio_rx_mem_pool_buf_size(struct rte_mempool *mp);
127 #endif /* _VIRTIO_ETHDEV_H_ */