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author | Jouni Malinen <j@w1.fi> | 2008-11-21 19:01:30 +0200 |
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committer | John W. Linville <linville@tuxdriver.com> | 2008-11-26 09:47:41 -0500 |
commit | e2f367f269fe19375f10e63efe0f2a6d3ddef8e6 (patch) | |
tree | 74cd1d3d89a9607159808a064c59684c7a962c45 | |
parent | 1048643ea94d742bd409f343e284af430656fd6c (diff) | |
download | op-kernel-dev-e2f367f269fe19375f10e63efe0f2a6d3ddef8e6.zip op-kernel-dev-e2f367f269fe19375f10e63efe0f2a6d3ddef8e6.tar.gz |
nl80211: Report max TX power in NL80211_BAND_ATTR_FREQS
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>
-rw-r--r-- | include/linux/nl80211.h | 4 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 7982734..54d6ebe 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -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 diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 00121ce..2e8464e 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -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); } |