1 /* 2 * wpa_supplicant - Private copy of Linux netlink/rtnetlink definitions. 3 * Copyright (c) 2003-2005, Jouni Malinen <j (at) 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_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) 57 #define NLMSG_LENGTH(len) ((len) + NLMSG_ALIGN(sizeof(struct nlmsghdr))) 58 #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) 59 #define NLMSG_DATA(nlh) ((void*) (((char*) nlh) + NLMSG_LENGTH(0))) 60 #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ 61 (struct nlmsghdr *) \ 62 (((char *)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) 63 #define NLMSG_OK(nlh,len) ((len) >= (int) sizeof(struct nlmsghdr) && \ 64 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ 65 (int) (nlh)->nlmsg_len <= (len)) 66 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) 67 68 #define RTA_ALIGNTO 4 69 #define RTA_ALIGN(len) (((len) + RTA_ALIGNTO - 1) & ~(RTA_ALIGNTO - 1)) 70 #define RTA_OK(rta,len) \ 71 ((len) > 0 && (rta)->rta_len >= sizeof(struct rtattr) && \ 72 (rta)->rta_len <= (len)) 73 #define RTA_NEXT(rta,attrlen) \ 74 ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 75 (struct rtattr *) (((char *)(rta)) + RTA_ALIGN((rta)->rta_len))) 76 #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 77 #define RTA_DATA(rta) ((void *) (((char *) (rta)) + RTA_LENGTH(0))) 78 79 80 struct sockaddr_nl 81 { 82 sa_family_t nl_family; 83 unsigned short nl_pad; 84 u32 nl_pid; 85 u32 nl_groups; 86 }; 87 88 struct nlmsghdr 89 { 90 u32 nlmsg_len; 91 u16 nlmsg_type; 92 u16 nlmsg_flags; 93 u32 nlmsg_seq; 94 u32 nlmsg_pid; 95 }; 96 97 struct ifinfomsg 98 { 99 unsigned char ifi_family; 100 unsigned char __ifi_pad; 101 unsigned short ifi_type; 102 int ifi_index; 103 unsigned ifi_flags; 104 unsigned ifi_change; 105 }; 106 107 struct rtattr 108 { 109 unsigned short rta_len; 110 unsigned short rta_type; 111 }; 112 113 #endif /* PRIV_NETLINK_H */ 114
