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mac80211: handle TX power per virtual interface

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Even before channel contexts/multi-channel, having a
single global TX power limit was already problematic,
in particular if two managed interfaces connected to
two APs with different power constraints. The channel
context introduction completely broke this though and
in fact I had disabled TX power configuration there
for drivers using channel contexts.

Change everything to track TX power per interface so
that different user settings and different channel
maxima are treated correctly. Also continue tracking
the global TX power though for compatibility with
applications that attempt to configure the wiphy's
TX power globally.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-10-24 10:59:25 +02:00
parent c8442118ad
commit 1ea6f9c0d4
10 changed files with 131 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

6
net/mac80211/debugfs_netdev.c
View file

@ -168,6 +168,9 @@ IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
IEEE80211_IF_FILE(flags, flags, HEX);
IEEE80211_IF_FILE(state, state, LHEX);
IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
@ -632,6 +635,9 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(flags);
DEBUGFS_ADD(state);
DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(txpower);
DEBUGFS_ADD(user_power_level);
DEBUGFS_ADD(ap_power_level);
if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
add_common_files(sdata);