diff options
Diffstat (limited to 'package/iwinfo/src/iwinfo_wext.c')
-rw-r--r-- | package/iwinfo/src/iwinfo_wext.c | 520 |
1 files changed, 0 insertions, 520 deletions
diff --git a/package/iwinfo/src/iwinfo_wext.c b/package/iwinfo/src/iwinfo_wext.c deleted file mode 100644 index cf3dccc189..0000000000 --- a/package/iwinfo/src/iwinfo_wext.c +++ /dev/null @@ -1,520 +0,0 @@ -/* - * iwinfo - Wireless Information Library - Linux Wireless Extension Backend - * - * Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org> - * - * 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 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 inline int wext_freq2mhz(const struct iw_freq *in) -{ - int i; - - if( in->e == 6 ) - { - return in->m; - } - else - { - return (int)(wext_freq2float(in) / 1000000); - } -} - -static inline int wext_ioctl(const char *ifname, int cmd, struct iwreq *wrq) -{ - if( !strncmp(ifname, "mon.", 4) ) - strncpy(wrq->ifr_name, &ifname[4], IFNAMSIZ); - else - strncpy(wrq->ifr_name, ifname, IFNAMSIZ); - - return iwinfo_ioctl(cmd, wrq); -} - - -int wext_probe(const char *ifname) -{ - struct iwreq wrq; - - if(wext_ioctl(ifname, SIOCGIWNAME, &wrq) >= 0) - return 1; - - return 0; -} - -void wext_close(void) -{ - /* Nop */ -} - -int wext_get_mode(const char *ifname, int *buf) -{ - struct iwreq wrq; - - if(wext_ioctl(ifname, SIOCGIWMODE, &wrq) >= 0) - { - switch(wrq.u.mode) - { - case 1: - *buf = IWINFO_OPMODE_ADHOC; - break; - - case 2: - *buf = IWINFO_OPMODE_CLIENT; - break; - - case 3: - *buf = IWINFO_OPMODE_MASTER; - break; - - case 6: - *buf = IWINFO_OPMODE_MONITOR; - break; - - default: - *buf = IWINFO_OPMODE_UNKNOWN; - break; - } - - 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 / 1000); - return 0; - } - - return -1; -} - -int wext_get_channel(const char *ifname, int *buf) -{ - struct iwreq wrq; - struct iw_range range; - double freq; - int i; - - if(wext_ioctl(ifname, SIOCGIWFREQ, &wrq) >= 0) - { - if( wrq.u.freq.m >= 1000 ) - { - freq = wext_freq2float(&wrq.u.freq); - 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) - { - for(i = 0; i < range.num_frequency; i++) - { - if( wext_freq2float(&range.freq[i]) == freq ) - { - *buf = range.freq[i].i; - return 0; - } - } - } - } - else - { - *buf = wrq.u.freq.m; - return 0; - } - } - - return -1; -} - -int wext_get_frequency(const char *ifname, int *buf) -{ - struct iwreq wrq; - struct iw_range range; - int i, channel; - - if(wext_ioctl(ifname, SIOCGIWFREQ, &wrq) >= 0) - { - /* We got a channel number instead ... */ - if( wrq.u.freq.m < 1000 ) - { - channel = wrq.u.freq.m; - 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) - { - for(i = 0; i < range.num_frequency; i++) - { - if( range.freq[i].i == channel ) - { - *buf = wext_freq2mhz(&range.freq[i]); - return 0; - } - } - } - } - else - { - *buf = wext_freq2mhz(&wrq.u.freq); - return 0; - } - } - - return -1; -} - -int wext_get_txpower(const char *ifname, int *buf) -{ - struct iwreq wrq; - - wrq.u.txpower.flags = 0; - - if(wext_ioctl(ifname, SIOCGIWTXPOW, &wrq) >= 0) - { - if(wrq.u.txpower.flags & IW_TXPOW_MWATT) - *buf = iwinfo_mw2dbm(wrq.u.txpower.value); - else - *buf = wrq.u.txpower.value; - - 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.updated & IW_QUAL_DBM) - ? (stats.qual.level - 0x100) : stats.qual.level; - - 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.updated & IW_QUAL_DBM) - ? (stats.qual.noise - 0x100) : stats.qual.noise; - - 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_assoclist(const char *ifname, char *buf, int *len) -{ - /* Stub */ - return -1; -} - -int wext_get_txpwrlist(const char *ifname, char *buf, int *len) -{ - struct iwreq wrq; - struct iw_range range; - struct iwinfo_txpwrlist_entry entry; - int i; - - 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) && - (range.num_txpower > 0) && (range.num_txpower <= IW_MAX_TXPOWER) && - !(range.txpower_capa & IW_TXPOW_RELATIVE) - ) { - for( i = 0; i < range.num_txpower; i++ ) - { - if( range.txpower_capa & IW_TXPOW_MWATT ) - { - entry.dbm = iwinfo_mw2dbm(range.txpower[i]); - entry.mw = range.txpower[i]; - } - - /* Madwifi does neither set mW not dBm caps, also iwlist assumes - * dBm if mW is not set, so don't check here... */ - else /* if( range.txpower_capa & IW_TXPOW_DBM ) */ - { - entry.dbm = range.txpower[i]; - entry.mw = iwinfo_dbm2mw(range.txpower[i]); - } - - memcpy(&buf[i*sizeof(entry)], &entry, sizeof(entry)); - } - - *len = i * sizeof(entry); - return 0; - } - - return -1; -} - -int wext_get_freqlist(const char *ifname, char *buf, int *len) -{ - struct iwreq wrq; - struct iw_range range; - struct iwinfo_freqlist_entry entry; - int i, bl; - - 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) - { - bl = 0; - - for(i = 0; i < range.num_frequency; i++) - { - entry.mhz = wext_freq2mhz(&range.freq[i]); - entry.channel = range.freq[i].i; - entry.restricted = 0; - - memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry)); - bl += sizeof(struct iwinfo_freqlist_entry); - } - - *len = bl; - return 0; - } - - return -1; -} - -int wext_get_country(const char *ifname, char *buf) -{ - sprintf(buf, "00"); - return 0; -} - -int wext_get_countrylist(const char *ifname, char *buf, int *len) -{ - /* Stub */ - return -1; -} - -int wext_get_hwmodelist(const char *ifname, int *buf) -{ - char chans[IWINFO_BUFSIZE] = { 0 }; - struct iwinfo_freqlist_entry *e = NULL; - int len = 0; - - *buf = 0; - - if( !wext_get_freqlist(ifname, chans, &len) ) - { - for( e = (struct iwinfo_freqlist_entry *)chans; e->channel; e++ ) - { - if( e->channel <= 14 ) - { - *buf |= IWINFO_80211_B; - *buf |= IWINFO_80211_G; - } - else - { - *buf |= IWINFO_80211_A; - } - } - - return 0; - } - - return -1; -} - -int wext_get_encryption(const char *ifname, char *buf) -{ - /* No reliable crypto info in wext */ - return -1; -} - -int wext_get_mbssid_support(const char *ifname, int *buf) -{ - /* No multi bssid support atm */ - return -1; -} - -static char * wext_sysfs_ifname_file(const char *ifname, const char *path) -{ - FILE *f; - static char buf[128]; - char *rv = NULL; - - snprintf(buf, sizeof(buf), "/sys/class/net/%s/%s", ifname, path); - - if ((f = fopen(buf, "r")) != NULL) - { - memset(buf, 0, sizeof(buf)); - - if (fread(buf, 1, sizeof(buf), f)) - rv = buf; - - fclose(f); - } - - return rv; -} - -int wext_get_hardware_id(const char *ifname, char *buf) -{ - char *data; - struct iwinfo_hardware_id *id = (struct iwinfo_hardware_id *)buf; - - memset(id, 0, sizeof(struct iwinfo_hardware_id)); - - data = wext_sysfs_ifname_file(ifname, "device/vendor"); - if (data) - id->vendor_id = strtoul(data, NULL, 16); - - data = wext_sysfs_ifname_file(ifname, "device/device"); - if (data) - id->device_id = strtoul(data, NULL, 16); - - data = wext_sysfs_ifname_file(ifname, "device/subsystem_device"); - if (data) - id->subsystem_device_id = strtoul(data, NULL, 16); - - data = wext_sysfs_ifname_file(ifname, "device/subsystem_vendor"); - if (data) - id->subsystem_vendor_id = strtoul(data, NULL, 16); - - return (id->vendor_id > 0 && id->device_id > 0) ? 0 : -1; -} - -int wext_get_hardware_name(const char *ifname, char *buf) -{ - sprintf(buf, "Generic WEXT"); - return 0; -} - -int wext_get_txpower_offset(const char *ifname, int *buf) -{ - /* Stub */ - *buf = 0; - return -1; -} - -int wext_get_frequency_offset(const char *ifname, int *buf) -{ - /* Stub */ - *buf = 0; - return -1; -} |