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mac80211: consider virtual mon when calculating min_def

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When calculating the current max bw required for
a channel context, we didn't consider the virtual
monitor interface, resulting in its channel context
being narrower than configured.

This broke monitor mode with iwlmvm, which uses the
minimal width.

Reported-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Eliad Peller 2014-03-03 13:37:14 +02:00 committed by Johannes Berg
parent cb66498160
commit 1c37a72c1b
1 changed files with 6 additions and 0 deletions
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6
net/mac80211/chan.c
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@ -100,6 +100,12 @@ ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
}
max_bw = max(max_bw, width);
}
/* use the configured bandwidth in case of monitor interface */
sdata = rcu_dereference(local->monitor_sdata);
if (sdata && rcu_access_pointer(sdata->vif.chanctx_conf) == conf)
max_bw = max(max_bw, conf->def.width);
rcu_read_unlock();
return max_bw;