4 * Copyright 2017 6WIND S.A.
5 * Copyright 2017 Mellanox.
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34 #ifndef _RTE_ETH_TAP_H_
35 #define _RTE_ETH_TAP_H_
37 #include <sys/queue.h>
41 #include <linux/if_tun.h>
43 #include <rte_ethdev.h>
44 #include <rte_ether.h>
46 #define RTE_PMD_TAP_MAX_QUEUES 16
49 uint64_t opackets; /* Number of output packets */
50 uint64_t ipackets; /* Number of input packets */
51 uint64_t obytes; /* Number of bytes on output */
52 uint64_t ibytes; /* Number of bytes on input */
53 uint64_t errs; /* Number of TX error packets */
54 uint64_t ierrors; /* Number of RX error packets */
55 uint64_t rx_nombuf; /* Nb of RX mbuf alloc failures */
59 struct rte_mempool *mp; /* Mempool for RX packets */
60 uint32_t trigger_seen; /* Last seen Rx trigger value */
61 uint16_t in_port; /* Port ID */
63 struct pkt_stats stats; /* Stats for this RX queue */
64 uint16_t nb_rx_desc; /* max number of mbufs available */
65 struct rte_eth_rxmode *rxmode; /* RX features */
66 struct rte_mbuf *pool; /* mbufs pool for this queue */
67 struct iovec (*iovecs)[]; /* descriptors for this queue */
68 struct tun_pi pi; /* packet info for iovecs */
73 uint16_t *mtu; /* Pointer to MTU from dev_data */
74 struct pkt_stats stats; /* Stats for this TX queue */
77 struct pmd_internals {
78 char name[RTE_ETH_NAME_MAX_LEN]; /* Internal Tap device name */
79 uint16_t nb_queues; /* Number of queues supported */
80 struct ether_addr eth_addr; /* Mac address of the device port */
81 int if_index; /* IF_INDEX for the port */
82 int ioctl_sock; /* socket for ioctl calls */
83 int nlsk_fd; /* Netlink socket fd */
84 int flower_support; /* 1 if kernel supports, else 0 */
85 int flower_vlan_support; /* 1 if kernel supports, else 0 */
86 LIST_HEAD(tap_flows, rte_flow) flows; /* rte_flow rules */
87 struct rx_queue rxq[RTE_PMD_TAP_MAX_QUEUES]; /* List of RX queues */
88 struct tx_queue txq[RTE_PMD_TAP_MAX_QUEUES]; /* List of TX queues */
91 #endif /* _RTE_ETH_TAP_H_ */