1/* 2 * wpa_supplicant - Private copy of Linux netlink/rtnetlink definitions. 3 * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef PRIV_NETLINK_H 10#define PRIV_NETLINK_H 11 12/* 13 * This should be replaced with user space header once one is available with C 14 * library, etc.. 15 */ 16 17#ifndef IFF_LOWER_UP 18#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 19#endif 20#ifndef IFF_DORMANT 21#define IFF_DORMANT 0x20000 /* driver signals dormant */ 22#endif 23 24#ifndef IFLA_IFNAME 25#define IFLA_IFNAME 3 26#endif 27#ifndef IFLA_WIRELESS 28#define IFLA_WIRELESS 11 29#endif 30#ifndef IFLA_OPERSTATE 31#define IFLA_OPERSTATE 16 32#endif 33#ifndef IFLA_LINKMODE 34#define IFLA_LINKMODE 17 35#define IF_OPER_DORMANT 5 36#define IF_OPER_UP 6 37#endif 38 39#define NLM_F_REQUEST 1 40 41#define NETLINK_ROUTE 0 42#define RTMGRP_LINK 1 43#define RTM_BASE 0x10 44#define RTM_NEWLINK (RTM_BASE + 0) 45#define RTM_DELLINK (RTM_BASE + 1) 46#define RTM_SETLINK (RTM_BASE + 3) 47 48#define NLMSG_ALIGNTO 4 49#define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1)) 50#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) 51#define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr))) 52#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) 53#define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0))) 54#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ 55 (struct nlmsghdr *) \ 56 (((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) 57#define NLMSG_OK(nlh,len) ((len) >= (int) sizeof(struct nlmsghdr) && \ 58 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ 59 (int) (nlh)->nlmsg_len <= (len)) 60#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) 61 62#define RTA_ALIGNTO 4 63#define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1)) 64#define RTA_OK(rta,len) \ 65((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \ 66(rta)->rta_len <= (len)) 67#define RTA_NEXT(rta,attrlen) \ 68((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 69(struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len))) 70#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 71#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) 72#define RTA_DATA(rta) ((void *) (((char *) (rta)) + RTA_LENGTH(0))) 73#define RTA_PAYLOAD(rta) ((int) ((rta)->rta_len) - RTA_LENGTH(0)) 74 75 76struct sockaddr_nl 77{ 78 sa_family_t nl_family; 79 unsigned short nl_pad; 80 u32 nl_pid; 81 u32 nl_groups; 82}; 83 84struct nlmsghdr 85{ 86 u32 nlmsg_len; 87 u16 nlmsg_type; 88 u16 nlmsg_flags; 89 u32 nlmsg_seq; 90 u32 nlmsg_pid; 91}; 92 93struct ifinfomsg 94{ 95 unsigned char ifi_family; 96 unsigned char __ifi_pad; 97 unsigned short ifi_type; 98 int ifi_index; 99 unsigned ifi_flags; 100 unsigned ifi_change; 101}; 102 103struct rtattr 104{ 105 unsigned short rta_len; 106 unsigned short rta_type; 107}; 108 109#endif /* PRIV_NETLINK_H */ 110