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mac80211: adjust initial chandefs assignments in ieee80211_register_hw

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I noticed that monitor interfaces by default would start on 5GHz
while STA/AP ones would start 2GHZ - It stems from the fact that
ieee80211_register_hw unnecessarily adjusts the local->monitor_chandef
for each band.

This avoids this and while at it uses a single dflt_chandef to initialize
in one go local->{hw.conf.chandef,_oper_chandef,monitor_chandef}

Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Karl Beldan 2013-04-15 19:04:06 +02:00 committed by Johannes Berg
parent fbd647b176
commit fffa4b1c17
1 changed files with 12 additions and 11 deletions
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23
net/mac80211/main.c
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@ -668,6 +668,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int channels, max_bitrates;
bool supp_ht, supp_vht;
netdev_features_t feature_whitelist;
struct cfg80211_chan_def dflt_chandef = {};
static const u32 cipher_suites[] = {
/* keep WEP first, it may be removed below */
WLAN_CIPHER_SUITE_WEP40,
@ -745,19 +746,19 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
sband = local->hw.wiphy->bands[band];
if (!sband)
continue;
if (!local->use_chanctx && !local->_oper_chandef.chan) {
/* init channel we're on */
struct cfg80211_chan_def chandef = {
.chan = &sband->channels[0],
.width = NL80211_CHAN_NO_HT,
.center_freq1 = sband->channels[0].center_freq,
.center_freq2 = 0
};
local->hw.conf.chandef = local->_oper_chandef = chandef;
}
cfg80211_chandef_create(&local->monitor_chandef,
if (!dflt_chandef.chan) {
cfg80211_chandef_create(&dflt_chandef,
&sband->channels[0],
NL80211_CHAN_NO_HT);
/* init channel we're on */
if (!local->use_chanctx && !local->_oper_chandef.chan) {
local->hw.conf.chandef = dflt_chandef;
local->_oper_chandef = dflt_chandef;
}
local->monitor_chandef = dflt_chandef;
}
channels += sband->n_channels;
if (max_bitrates < sband->n_bitrates)