diff options
Diffstat (limited to 'package/iwinfo/src')
| -rw-r--r-- | package/iwinfo/src/iwinfo_nl80211.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/package/iwinfo/src/iwinfo_nl80211.c b/package/iwinfo/src/iwinfo_nl80211.c index 7595ea838..304a18b3e 100644 --- a/package/iwinfo/src/iwinfo_nl80211.c +++ b/package/iwinfo/src/iwinfo_nl80211.c @@ -351,15 +351,18 @@ static int nl80211_freq2channel(int freq) return (freq / 5) - 1000; } -static int nl80211_channel2freq(int channel) +static int nl80211_channel2freq(int channel, const char *band) { if (channel == 14) return 2484; - if (channel < 14) + if ((channel < 14) && (!band || band[0] != 'a')) return (channel * 5) + 2407; - return (1000 + channel) * 5; + if (channel > 0) + return (1000 + channel) * 5; + + return 0; } static char * nl80211_getval(const char *ifname, const char *buf, const char *key) @@ -763,9 +766,9 @@ int nl80211_get_bssid(const char *ifname, char *buf) } -static int nl80211_get_channel_cb(struct nl_msg *msg, void *arg) +static int nl80211_get_frequency_cb(struct nl_msg *msg, void *arg) { - int *channel = arg; + int *freq = arg; struct nlattr **attr = nl80211_parse(msg); struct nlattr *binfo[NL80211_BSS_MAX + 1]; @@ -775,27 +778,27 @@ static int nl80211_get_channel_cb(struct nl_msg *msg, void *arg) if (attr[NL80211_ATTR_BSS] && !nla_parse_nested(binfo, NL80211_BSS_MAX, - attr[NL80211_ATTR_BSS], bss_policy)) + attr[NL80211_ATTR_BSS], bss_policy)) { if (binfo[NL80211_BSS_FREQUENCY]) - *channel = - nl80211_freq2channel(nla_get_u32(binfo[NL80211_BSS_FREQUENCY])); + *freq = nla_get_u32(binfo[NL80211_BSS_FREQUENCY]); } return NL_SKIP; } -int nl80211_get_channel(const char *ifname, int *buf) +int nl80211_get_frequency(const char *ifname, int *buf) { - char *res; + char *res, *channel; struct nl80211_msg_conveyor *req; *buf = 0; if ((res = nl80211_hostapd_info(ifname)) && - (res = nl80211_getval(NULL, res, "channel"))) + (channel = nl80211_getval(NULL, res, "channel"))) { - *buf = atoi(res); + *buf = nl80211_channel2freq(atoi(channel), + nl80211_getval(NULL, res, "hw_mode")); } else { @@ -804,7 +807,7 @@ int nl80211_get_channel(const char *ifname, int *buf) if (req) { - nl80211_send(req, nl80211_get_channel_cb, buf); + nl80211_send(req, nl80211_get_frequency_cb, buf); nl80211_free(req); } } @@ -812,11 +815,11 @@ int nl80211_get_channel(const char *ifname, int *buf) return (*buf == 0) ? -1 : 0; } -int nl80211_get_frequency(const char *ifname, int *buf) +int nl80211_get_channel(const char *ifname, int *buf) { - if (!nl80211_get_channel(ifname, buf)) + if (!nl80211_get_frequency(ifname, buf)) { - *buf = nl80211_channel2freq(*buf); + *buf = nl80211_freq2channel(*buf); return 0; } |