1/* 2 * wpa_supplicant - Private copy of Linux netlink/rtnetlink definitions. 3 * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15#ifndef PRIV_NETLINK_H 16#define PRIV_NETLINK_H 17 18/* 19 * This should be replaced with user space header once one is available with C 20 * library, etc.. 21 */ 22 23#ifndef IFF_LOWER_UP 24#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 25#endif 26#ifndef IFF_DORMANT 27#define IFF_DORMANT 0x20000 /* driver signals dormant */ 28#endif 29 30#ifndef IFLA_IFNAME 31#define IFLA_IFNAME 3 32#endif 33#ifndef IFLA_WIRELESS 34#define IFLA_WIRELESS 11 35#endif 36#ifndef IFLA_OPERSTATE 37#define IFLA_OPERSTATE 16 38#endif 39#ifndef IFLA_LINKMODE 40#define IFLA_LINKMODE 17 41#define IF_OPER_DORMANT 5 42#define IF_OPER_UP 6 43#endif 44 45#define NLM_F_REQUEST 1 46 47#define NETLINK_ROUTE 0 48#define RTMGRP_LINK 1 49#define RTM_BASE 0x10 50#define RTM_NEWLINK (RTM_BASE + 0) 51#define RTM_DELLINK (RTM_BASE + 1) 52#define RTM_SETLINK (RTM_BASE + 3) 53 54#define NLMSG_ALIGNTO 4 55#define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1)) 56#define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr))) 57#define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0))) 58 59#define RTA_ALIGNTO 4 60#define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1)) 61#define RTA_OK(rta,len) \ 62((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \ 63(rta)->rta_len <= (len)) 64#define RTA_NEXT(rta,attrlen) \ 65((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 66(struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len))) 67#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 68#define RTA_DATA(rta) ((void *) (((char *) (rta)) + RTA_LENGTH(0))) 69 70 71struct sockaddr_nl 72{ 73 sa_family_t nl_family; 74 unsigned short nl_pad; 75 u32 nl_pid; 76 u32 nl_groups; 77}; 78 79struct nlmsghdr 80{ 81 u32 nlmsg_len; 82 u16 nlmsg_type; 83 u16 nlmsg_flags; 84 u32 nlmsg_seq; 85 u32 nlmsg_pid; 86}; 87 88struct ifinfomsg 89{ 90 unsigned char ifi_family; 91 unsigned char __ifi_pad; 92 unsigned short ifi_type; 93 int ifi_index; 94 unsigned ifi_flags; 95 unsigned ifi_change; 96}; 97 98struct rtattr 99{ 100 unsigned short rta_len; 101 unsigned short rta_type; 102}; 103 104#endif /* PRIV_NETLINK_H */ 105