if_link.h revision de3d12f48ac1869fc9f9cb442b2d692b027d8a14
1#ifndef _LINUX_IF_LINK_H 2#define _LINUX_IF_LINK_H 3 4#include <linux/netlink.h> 5 6/* The struct should be in sync with struct net_device_stats */ 7struct rtnl_link_stats 8{ 9 __u32 rx_packets; /* total packets received */ 10 __u32 tx_packets; /* total packets transmitted */ 11 __u32 rx_bytes; /* total bytes received */ 12 __u32 tx_bytes; /* total bytes transmitted */ 13 __u32 rx_errors; /* bad packets received */ 14 __u32 tx_errors; /* packet transmit problems */ 15 __u32 rx_dropped; /* no space in linux buffers */ 16 __u32 tx_dropped; /* no space available in linux */ 17 __u32 multicast; /* multicast packets received */ 18 __u32 collisions; 19 20 /* detailed rx_errors: */ 21 __u32 rx_length_errors; 22 __u32 rx_over_errors; /* receiver ring buff overflow */ 23 __u32 rx_crc_errors; /* recved pkt with crc error */ 24 __u32 rx_frame_errors; /* recv'd frame alignment error */ 25 __u32 rx_fifo_errors; /* recv'r fifo overrun */ 26 __u32 rx_missed_errors; /* receiver missed packet */ 27 28 /* detailed tx_errors */ 29 __u32 tx_aborted_errors; 30 __u32 tx_carrier_errors; 31 __u32 tx_fifo_errors; 32 __u32 tx_heartbeat_errors; 33 __u32 tx_window_errors; 34 35 /* for cslip etc */ 36 __u32 rx_compressed; 37 __u32 tx_compressed; 38}; 39 40/* The struct should be in sync with struct ifmap */ 41struct rtnl_link_ifmap 42{ 43 __u64 mem_start; 44 __u64 mem_end; 45 __u64 base_addr; 46 __u16 irq; 47 __u8 dma; 48 __u8 port; 49}; 50 51enum 52{ 53 IFLA_UNSPEC, 54 IFLA_ADDRESS, 55 IFLA_BROADCAST, 56 IFLA_IFNAME, 57 IFLA_MTU, 58 IFLA_LINK, 59 IFLA_QDISC, 60 IFLA_STATS, 61 IFLA_COST, 62#define IFLA_COST IFLA_COST 63 IFLA_PRIORITY, 64#define IFLA_PRIORITY IFLA_PRIORITY 65 IFLA_MASTER, 66#define IFLA_MASTER IFLA_MASTER 67 IFLA_WIRELESS, /* Wireless Extension event - see wireless.h */ 68#define IFLA_WIRELESS IFLA_WIRELESS 69 IFLA_PROTINFO, /* Protocol specific information for a link */ 70#define IFLA_PROTINFO IFLA_PROTINFO 71 IFLA_TXQLEN, 72#define IFLA_TXQLEN IFLA_TXQLEN 73 IFLA_MAP, 74#define IFLA_MAP IFLA_MAP 75 IFLA_WEIGHT, 76#define IFLA_WEIGHT IFLA_WEIGHT 77 IFLA_OPERSTATE, 78 IFLA_LINKMODE, 79 __IFLA_MAX 80}; 81 82 83#define IFLA_MAX (__IFLA_MAX - 1) 84 85/* backwards compatibility for userspace */ 86#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg)))) 87#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg)) 88 89/* ifi_flags. 90 91 IFF_* flags. 92 93 The only change is: 94 IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are 95 more not changeable by user. They describe link media 96 characteristics and set by device driver. 97 98 Comments: 99 - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid 100 - If neither of these three flags are set; 101 the interface is NBMA. 102 103 - IFF_MULTICAST does not mean anything special: 104 multicasts can be used on all not-NBMA links. 105 IFF_MULTICAST means that this media uses special encapsulation 106 for multicast frames. Apparently, all IFF_POINTOPOINT and 107 IFF_BROADCAST devices are able to use multicasts too. 108 */ 109 110/* IFLA_LINK. 111 For usual devices it is equal ifi_index. 112 If it is a "virtual interface" (f.e. tunnel), ifi_link 113 can point to real physical interface (f.e. for bandwidth calculations), 114 or maybe 0, what means, that real media is unknown (usual 115 for IPIP tunnels, when route to endpoint is allowed to change) 116 */ 117 118/* Subtype attributes for IFLA_PROTINFO */ 119enum 120{ 121 IFLA_INET6_UNSPEC, 122 IFLA_INET6_FLAGS, /* link flags */ 123 IFLA_INET6_CONF, /* sysctl parameters */ 124 IFLA_INET6_STATS, /* statistics */ 125 IFLA_INET6_MCAST, /* MC things. What of them? */ 126 IFLA_INET6_CACHEINFO, /* time values and max reasm size */ 127 IFLA_INET6_ICMP6STATS, /* statistics (icmpv6) */ 128 __IFLA_INET6_MAX 129}; 130 131#define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1) 132 133struct ifla_cacheinfo 134{ 135 __u32 max_reasm_len; 136 __u32 tstamp; /* ipv6InterfaceTable updated timestamp */ 137 __u32 reachable_time; 138 __u32 retrans_time; 139}; 140 141#endif /* _LINUX_IF_LINK_H */ 142