1
2
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
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 1ULL << VIRTIO_NET_F_RSS)
50
51extern const struct eth_dev_ops virtio_user_secondary_eth_dev_ops;
52
53
54
55
56void virtio_dev_cq_start(struct rte_eth_dev *dev);
57
58
59
60
61
62int 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);
66
67int virtio_dev_rx_queue_setup_finish(struct rte_eth_dev *dev,
68 uint16_t rx_queue_id);
69
70int 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);
73
74int virtio_dev_tx_queue_setup_finish(struct rte_eth_dev *dev,
75 uint16_t tx_queue_id);
76
77uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
78 uint16_t nb_pkts);
79uint16_t virtio_recv_pkts_packed(void *rx_queue, struct rte_mbuf **rx_pkts,
80 uint16_t nb_pkts);
81
82uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
83 uint16_t nb_pkts);
84
85uint16_t virtio_recv_mergeable_pkts_packed(void *rx_queue,
86 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
87
88uint16_t virtio_recv_pkts_inorder(void *rx_queue,
89 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
90
91uint16_t virtio_xmit_pkts_prepare(void *tx_queue, struct rte_mbuf **tx_pkts,
92 uint16_t nb_pkts);
93
94uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
95 uint16_t nb_pkts);
96uint16_t virtio_xmit_pkts_packed(void *tx_queue, struct rte_mbuf **tx_pkts,
97 uint16_t nb_pkts);
98
99uint16_t virtio_xmit_pkts_inorder(void *tx_queue, struct rte_mbuf **tx_pkts,
100 uint16_t nb_pkts);
101
102uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
103 uint16_t nb_pkts);
104
105uint16_t virtio_recv_pkts_packed_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
106 uint16_t nb_pkts);
107
108uint16_t virtio_xmit_pkts_packed_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
109 uint16_t nb_pkts);
110
111int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
112
113void virtio_interrupt_handler(void *param);
114
115int virtio_dev_pause(struct rte_eth_dev *dev);
116void virtio_dev_resume(struct rte_eth_dev *dev);
117int virtio_dev_stop(struct rte_eth_dev *dev);
118int virtio_dev_close(struct rte_eth_dev *dev);
119int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts,
120 int nb_pkts);
121
122bool virtio_rx_check_scatter(uint16_t max_rx_pkt_len, uint16_t rx_buf_size,
123 bool rx_scatter_enabled, const char **error);
124
125uint16_t virtio_rx_mem_pool_buf_size(struct rte_mempool *mp);
126
127#endif
128
