From 87460e8a05faef9c4bb2c68735eef4f5c5ac15d0 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Sun, 9 Aug 2009 02:02:46 +0000 Subject: libs: introduce iwinfo - wireless information abstraction for proprietary broadcom, madwifi and mac80211 drivers. --- libs/iwinfo/src/iwinfo_wext.c | 243 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 libs/iwinfo/src/iwinfo_wext.c (limited to 'libs/iwinfo/src/iwinfo_wext.c') diff --git a/libs/iwinfo/src/iwinfo_wext.c b/libs/iwinfo/src/iwinfo_wext.c new file mode 100644 index 000000000..7f44fd0d2 --- /dev/null +++ b/libs/iwinfo/src/iwinfo_wext.c @@ -0,0 +1,243 @@ +/* + * iwinfo - Wireless Information Library - Linux Wireless Extension Backend + * + * Copyright (C) 2009 Jo-Philipp Wich + * + * The iwinfo library is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * The iwinfo library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with the iwinfo library. If not, see http://www.gnu.org/licenses/. + * + * Parts of this code are derived from the Linux wireless tools, iwlib.c, + * iwlist.c and iwconfig.c in particular. + */ + +#include "iwinfo.h" +#include "iwinfo_wext.h" + +static int ioctl_socket = -1; + +static double wext_freq2float(const struct iw_freq *in) +{ + int i; + double res = (double) in->m; + for(i = 0; i < in->e; i++) res *= 10; + return res; +} + +static int wext_ioctl(const char *ifname, int cmd, struct iwreq *wrq) +{ + /* prepare socket */ + if( ioctl_socket == -1 ) + ioctl_socket = socket(AF_INET, SOCK_DGRAM, 0); + + strncpy(wrq->ifr_name, ifname, IFNAMSIZ); + return ioctl(ioctl_socket, cmd, wrq); +} + + +int wext_probe(const char *ifname) +{ + struct iwreq wrq; + + if(wext_ioctl(ifname, SIOCGIWNAME, &wrq) >= 0) + return 1; + + return 0; +} + +int wext_get_mode(const char *ifname, char *buf) +{ + struct iwreq wrq; + + if(wext_ioctl(ifname, SIOCGIWMODE, &wrq) >= 0) + { + switch(wrq.u.mode) + { + case 0: + sprintf(buf, "Auto"); + break; + + case 1: + sprintf(buf, "Ad-Hoc"); + break; + + case 2: + sprintf(buf, "Client"); + break; + + case 3: + sprintf(buf, "Master"); + break; + + case 4: + sprintf(buf, "Repeater"); + break; + + case 5: + sprintf(buf, "Secondary"); + break; + + case 6: + sprintf(buf, "Monitor"); + break; + + default: + sprintf(buf, "Unknown"); + } + + return 0; + } + + return -1; +} + +int wext_get_ssid(const char *ifname, char *buf) +{ + struct iwreq wrq; + + wrq.u.essid.pointer = (caddr_t) buf; + wrq.u.essid.length = IW_ESSID_MAX_SIZE + 1; + wrq.u.essid.flags = 0; + + if(wext_ioctl(ifname, SIOCGIWESSID, &wrq) >= 0) + return 0; + + return -1; +} + +int wext_get_bssid(const char *ifname, char *buf) +{ + struct iwreq wrq; + + if(wext_ioctl(ifname, SIOCGIWAP, &wrq) >= 0) + { + sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", + (uint8_t)wrq.u.ap_addr.sa_data[0], (uint8_t)wrq.u.ap_addr.sa_data[1], + (uint8_t)wrq.u.ap_addr.sa_data[2], (uint8_t)wrq.u.ap_addr.sa_data[3], + (uint8_t)wrq.u.ap_addr.sa_data[4], (uint8_t)wrq.u.ap_addr.sa_data[5]); + + return 0; + } + + return -1; +} + +int wext_get_bitrate(const char *ifname, int *buf) +{ + struct iwreq wrq; + + if(wext_ioctl(ifname, SIOCGIWRATE, &wrq) >= 0) + { + *buf = wrq.u.bitrate.value; + return 0; + } + + return -1; +} + +int wext_get_channel(const char *ifname, int *buf) +{ + struct iwreq wrq; + + if(wext_ioctl(ifname, SIOCGIWFREQ, &wrq) >= 0) + { + /* FIXME: iwlib has some strange workarounds here, maybe we need them as well... */ + *buf = (int) wext_freq2float(&wrq.u.freq); + return 0; + } + + return -1; +} + +int wext_get_signal(const char *ifname, int *buf) +{ + struct iwreq wrq; + struct iw_statistics stats; + + wrq.u.data.pointer = (caddr_t) &stats; + wrq.u.data.length = sizeof(struct iw_statistics); + wrq.u.data.flags = 1; + + if(wext_ioctl(ifname, SIOCGIWSTATS, &wrq) >= 0) + { + *buf = (stats.qual.level - 0x100); + return 0; + } + + return -1; +} + +int wext_get_noise(const char *ifname, int *buf) +{ + struct iwreq wrq; + struct iw_statistics stats; + + wrq.u.data.pointer = (caddr_t) &stats; + wrq.u.data.length = sizeof(struct iw_statistics); + wrq.u.data.flags = 1; + + if(wext_ioctl(ifname, SIOCGIWSTATS, &wrq) >= 0) + { + *buf = (stats.qual.noise - 0x100); + return 0; + } + + return -1; +} + +int wext_get_quality(const char *ifname, int *buf) +{ + struct iwreq wrq; + struct iw_statistics stats; + + wrq.u.data.pointer = (caddr_t) &stats; + wrq.u.data.length = sizeof(struct iw_statistics); + wrq.u.data.flags = 1; + + if(wext_ioctl(ifname, SIOCGIWSTATS, &wrq) >= 0) + { + *buf = stats.qual.qual; + return 0; + } + + return -1; +} + +int wext_get_quality_max(const char *ifname, int *buf) +{ + struct iwreq wrq; + struct iw_range range; + + wrq.u.data.pointer = (caddr_t) ⦥ + wrq.u.data.length = sizeof(struct iw_range); + wrq.u.data.flags = 0; + + if(wext_ioctl(ifname, SIOCGIWRANGE, &wrq) >= 0) + { + *buf = range.max_qual.qual; + return 0; + } + + return -1; +} + +int wext_get_enctype(const char *ifname, char *buf) +{ + /* Stub */ + return -1; +} + +int wext_get_assoclist(const char *ifname, char *buf, int *len) +{ + /* Stub */ + return -1; +} + -- cgit v1.2.3