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 "virtio_pci.h"
13 #define PAGE_SIZE 4096
16 #define VIRTIO_MAX_RX_QUEUES 128U
17 #define VIRTIO_MAX_TX_QUEUES 128U
18 #define VIRTIO_MAX_MAC_ADDRS 64
19 #define VIRTIO_MIN_RX_BUFSIZE 64
20 #define VIRTIO_MAX_RX_PKTLEN 9728U
22 /* Features desired/implemented by this driver. */
23 #define VIRTIO_PMD_DEFAULT_GUEST_FEATURES \
24 (1u << VIRTIO_NET_F_MAC | \
25 1u << VIRTIO_NET_F_STATUS | \
26 1u << VIRTIO_NET_F_MQ | \
27 1u << VIRTIO_NET_F_CTRL_MAC_ADDR | \
28 1u << VIRTIO_NET_F_CTRL_VQ | \
29 1u << VIRTIO_NET_F_CTRL_RX | \
30 1u << VIRTIO_NET_F_CTRL_VLAN | \
31 1u << VIRTIO_NET_F_CSUM | \
32 1u << VIRTIO_NET_F_HOST_TSO4 | \
33 1u << VIRTIO_NET_F_HOST_TSO6 | \
34 1u << VIRTIO_NET_F_MRG_RXBUF | \
35 1u << VIRTIO_NET_F_MTU | \
36 1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE | \
37 1u << VIRTIO_RING_F_INDIRECT_DESC | \
38 1ULL << VIRTIO_F_VERSION_1 | \
39 1ULL << VIRTIO_F_IN_ORDER | \
40 1ULL << VIRTIO_F_IOMMU_PLATFORM)
42 #define VIRTIO_PMD_SUPPORTED_GUEST_FEATURES \
43 (VIRTIO_PMD_DEFAULT_GUEST_FEATURES | \
44 1u << VIRTIO_NET_F_GUEST_CSUM | \
45 1u << VIRTIO_NET_F_GUEST_TSO4 | \
46 1u << VIRTIO_NET_F_GUEST_TSO6)
48 #define VIRTIO_PMD_PER_DEVICE_RX_OFFLOADS \
49 (DEV_RX_OFFLOAD_TCP_CKSUM | \
50 DEV_RX_OFFLOAD_UDP_CKSUM | \
51 DEV_RX_OFFLOAD_TCP_LRO | \
52 DEV_RX_OFFLOAD_VLAN_FILTER | \
53 DEV_RX_OFFLOAD_VLAN_STRIP)
56 * CQ function prototype
58 void virtio_dev_cq_start(struct rte_eth_dev *dev);
61 * RX/TX function prototypes
64 int virtio_dev_rx_queue_done(void *rxq, uint16_t offset);
66 int virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
67 uint16_t nb_rx_desc, unsigned int socket_id,
68 const struct rte_eth_rxconf *rx_conf,
69 struct rte_mempool *mb_pool);
71 int virtio_dev_rx_queue_setup_finish(struct rte_eth_dev *dev,
72 uint16_t rx_queue_id);
74 int virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
75 uint16_t nb_tx_desc, unsigned int socket_id,
76 const struct rte_eth_txconf *tx_conf);
78 int virtio_dev_tx_queue_setup_finish(struct rte_eth_dev *dev,
79 uint16_t tx_queue_id);
81 uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
84 uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
87 uint16_t virtio_recv_mergeable_pkts_inorder(void *rx_queue,
88 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
90 uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
93 uint16_t virtio_xmit_pkts_inorder(void *tx_queue, struct rte_mbuf **tx_pkts,
96 uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
99 uint16_t virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
102 int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
104 void virtio_interrupt_handler(void *param);
106 int virtio_dev_pause(struct rte_eth_dev *dev);
107 void virtio_dev_resume(struct rte_eth_dev *dev);
108 int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts,
111 #endif /* _VIRTIO_ETHDEV_H_ */