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nl80211: Report max TX power in NL80211_BAND_ATTR_FREQS

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This is useful information to provide for userspace (e.g., hostapd needs
this to generate Country IE).

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2008-11-21 19:01:30 +02:00 committed by John W. Linville
parent 1048643ea9
commit e2f367f269
2 changed files with 7 additions and 0 deletions
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4
include/linux/nl80211.h
View File

@ -508,6 +508,7 @@ enum nl80211_band_attr {
* on this channel in current regulatory domain.
* @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory
* on this channel in current regulatory domain.
* @NL80211_FREQUENCY_ATTR_MAX_TX_POWER: Maximum transmission power in dBm.
*/
enum nl80211_frequency_attr {
__NL80211_FREQUENCY_ATTR_INVALID,
@ -516,12 +517,15 @@ enum nl80211_frequency_attr {
NL80211_FREQUENCY_ATTR_PASSIVE_SCAN,
NL80211_FREQUENCY_ATTR_NO_IBSS,
NL80211_FREQUENCY_ATTR_RADAR,
NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
/* keep last */
__NL80211_FREQUENCY_ATTR_AFTER_LAST,
NL80211_FREQUENCY_ATTR_MAX = __NL80211_FREQUENCY_ATTR_AFTER_LAST - 1
};
#define NL80211_FREQUENCY_ATTR_MAX_TX_POWER NL80211_FREQUENCY_ATTR_MAX_TX_POWER
/**
* enum nl80211_bitrate_attr - bitrate attributes
* @NL80211_BITRATE_ATTR_RATE: Bitrate in units of 100 kbps

3
net/wireless/nl80211.c
View File

@ -198,6 +198,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (chan->flags & IEEE80211_CHAN_RADAR)
NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
NLA_PUT_U8(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
chan->max_power);
nla_nest_end(msg, nl_freq);
}