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00001 /* 00002 * wpa_supplicant - Private copy of Linux netlink/rtnetlink definitions. 00003 * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi> 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License version 2 as 00007 * published by the Free Software Foundation. 00008 * 00009 * Alternatively, this software may be distributed under the terms of BSD 00010 * license. 00011 * 00012 * See README and COPYING for more details. 00013 */ 00014 00015 #ifndef PRIV_NETLINK_H 00016 #define PRIV_NETLINK_H 00017 00018 /* 00019 * This should be replaced with user space header once one is available with C 00020 * library, etc.. 00021 */ 00022 00023 #ifndef IFF_LOWER_UP 00024 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ 00025 #endif 00026 #ifndef IFF_DORMANT 00027 #define IFF_DORMANT 0x20000 /* driver signals dormant */ 00028 #endif 00029 00030 #ifndef IFLA_IFNAME 00031 #define IFLA_IFNAME 3 00032 #endif 00033 #ifndef IFLA_WIRELESS 00034 #define IFLA_WIRELESS 11 00035 #endif 00036 #ifndef IFLA_OPERSTATE 00037 #define IFLA_OPERSTATE 16 00038 #endif 00039 #ifndef IFLA_LINKMODE 00040 #define IFLA_LINKMODE 17 00041 #define IF_OPER_DORMANT 5 00042 #define IF_OPER_UP 6 00043 #endif 00044 00045 #define NLM_F_REQUEST 1 00046 00047 #define NETLINK_ROUTE 0 00048 #define RTMGRP_LINK 1 00049 #define RTM_BASE 0x10 00050 #define RTM_NEWLINK (RTM_BASE + 0) 00051 #define RTM_DELLINK (RTM_BASE + 1) 00052 #define RTM_SETLINK (RTM_BASE + 3) 00053 00054 #define NLMSG_ALIGNTO 4 00055 #define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1)) 00056 #define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) 00057 #define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr))) 00058 #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) 00059 #define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0))) 00060 #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ 00061 (struct nlmsghdr *) \ 00062 (((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) 00063 #define NLMSG_OK(nlh,len) ((len) >= (int) sizeof(struct nlmsghdr) && \ 00064 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ 00065 (int) (nlh)->nlmsg_len <= (len)) 00066 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) 00067 00068 #define RTA_ALIGNTO 4 00069 #define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1)) 00070 #define RTA_OK(rta,len) \ 00071 ((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \ 00072 (rta)->rta_len <= (len)) 00073 #define RTA_NEXT(rta,attrlen) \ 00074 ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 00075 (struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len))) 00076 #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 00077 #define RTA_DATA(rta) ((void *) (((char *) (rta)) + RTA_LENGTH(0))) 00078 00079 00080 struct sockaddr_nl 00081 { 00082 sa_family_t nl_family; 00083 unsigned short nl_pad; 00084 u32 nl_pid; 00085 u32 nl_groups; 00086 }; 00087 00088 struct nlmsghdr 00089 { 00090 u32 nlmsg_len; 00091 u16 nlmsg_type; 00092 u16 nlmsg_flags; 00093 u32 nlmsg_seq; 00094 u32 nlmsg_pid; 00095 }; 00096 00097 struct ifinfomsg 00098 { 00099 unsigned char ifi_family; 00100 unsigned char __ifi_pad; 00101 unsigned short ifi_type; 00102 int ifi_index; 00103 unsigned ifi_flags; 00104 unsigned ifi_change; 00105 }; 00106 00107 struct rtattr 00108 { 00109 unsigned short rta_len; 00110 unsigned short rta_type; 00111 }; 00112 00113 #endif /* PRIV_NETLINK_H */