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 */ 7 struct 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 */ 41 struct 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 51 enum 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 #ifndef __KERNEL__ 87 #define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg)))) 88 #define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg)) 89 #endif 90 91 /* ifi_flags. 92 93 IFF_* flags. 94 95 The only change is: 96 IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are 97 more not changeable by user. They describe link media 98 characteristics and set by device driver. 99 100 Comments: 101 - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid 102 - If neither of these three flags are set; 103 the interface is NBMA. 104 105 - IFF_MULTICAST does not mean anything special: 106 multicasts can be used on all not-NBMA links. 107 IFF_MULTICAST means that this media uses special encapsulation 108 for multicast frames. Apparently, all IFF_POINTOPOINT and 109 IFF_BROADCAST devices are able to use multicasts too. 110 */ 111 112 /* IFLA_LINK. 113 For usual devices it is equal ifi_index. 114 If it is a "virtual interface" (f.e. tunnel), ifi_link 115 can point to real physical interface (f.e. for bandwidth calculations), 116 or maybe 0, what means, that real media is unknown (usual 117 for IPIP tunnels, when route to endpoint is allowed to change) 118 */ 119 120 /* Subtype attributes for IFLA_PROTINFO */ 121 enum 122 { 123 IFLA_INET6_UNSPEC, 124 IFLA_INET6_FLAGS, /* link flags */ 125 IFLA_INET6_CONF, /* sysctl parameters */ 126 IFLA_INET6_STATS, /* statistics */ 127 IFLA_INET6_MCAST, /* MC things. What of them? */ 128 IFLA_INET6_CACHEINFO, /* time values and max reasm size */ 129 __IFLA_INET6_MAX 130 }; 131 132 #define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1) 133 134 struct ifla_cacheinfo 135 { 136 __u32 max_reasm_len; 137 __u32 tstamp; /* ipv6InterfaceTable updated timestamp */ 138 __u32 reachable_time; 139 __u32 retrans_time; 140 }; 141 142 #endif /* _LINUX_IF_LINK_H */ 143