X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fiwinfo%2Fsrc%2Fiwinfo_wext.c;h=2a1b685c4664a85908e3be57070651b685cccbcc;hp=76062ba0a449f2ecb3da9a9904aef947bc8db52c;hb=aff68f53751c706dd623eb794106eab59991e69d;hpb=2a9a87e89172c147c1dc222f67221f825755e9aa diff --git a/libs/iwinfo/src/iwinfo_wext.c b/libs/iwinfo/src/iwinfo_wext.c index 76062ba0a..2a1b685c4 100644 --- a/libs/iwinfo/src/iwinfo_wext.c +++ b/libs/iwinfo/src/iwinfo_wext.c @@ -22,6 +22,8 @@ #include "iwinfo.h" #include "iwinfo_wext.h" +#define LOG10_MAGIC 1.25892541179 + static int ioctl_socket = -1; static double wext_freq2float(const struct iw_freq *in) @@ -50,6 +52,39 @@ static int wext_freq2mhz(const struct iw_freq *in) } } +static int wext_dbm2mw(int in) +{ + double res = 1.0; + int ip = in / 10; + int fp = in % 10; + int k; + + for(k = 0; k < ip; k++) res *= 10; + for(k = 0; k < fp; k++) res *= LOG10_MAGIC; + + return (int)res; +} + +static int wext_mw2dbm(int in) +{ + double fin = (double) in; + int res = 0; + + while(fin > 10.0) + { + res += 10; + fin /= 10.0; + } + + while(fin > 1.000001) + { + res += 1; + fin /= LOG10_MAGIC; + } + + return res; +} + static int wext_ioctl(const char *ifname, int cmd, struct iwreq *wrq) { /* prepare socket */ @@ -154,7 +189,7 @@ int wext_get_bitrate(const char *ifname, int *buf) if(wext_ioctl(ifname, SIOCGIWRATE, &wrq) >= 0) { - *buf = wrq.u.bitrate.value; + *buf = (wrq.u.bitrate.value / 1000); return 0; } @@ -164,12 +199,36 @@ int wext_get_bitrate(const char *ifname, int *buf) 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) { - /* FIXME: iwlib has some strange workarounds here, maybe we need them as well... */ - *buf = (int) wext_freq2float(&wrq.u.freq); - return 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; @@ -297,3 +356,79 @@ int wext_get_assoclist(const char *ifname, char *buf, int *len) 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_DBM ) + { + entry.dbm = range.txpower[i]; + entry.mw = wext_dbm2mw(range.txpower[i]); + } + + else if( range.txpower_capa & IW_TXPOW_MWATT ) + { + entry.dbm = wext_mw2dbm(range.txpower[i]); + entry.mw = 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; + + memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry)); + bl += sizeof(struct iwinfo_freqlist_entry); + } + + *len = bl; + return 0; + } + + return -1; +} + +int wext_get_mbssid_support(const char *ifname, int *buf) +{ + /* No multi bssid support atm */ + return -1; +} +