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cfg80211: use RTNL locked reg_can_beacon for IR-relaxation

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The RTNL is required to check for IR-relaxation conditions that allow
more channels to beacon. Export an RTNL locked version of reg_can_beacon
and use it where possible in AP/STA interface type flows, where
IR-relaxation may be applicable.

Fixes: 06f207fc54 ("cfg80211: change GO_CONCURRENT to IR_CONCURRENT for STA")
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov
2015-07-08 15:41:44 +03:00
committed by Johannes Berg
parent b3e7de873d
commit 923b352f19
6 changed files with 70 additions and 25 deletions
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17
include/net/cfg80211.h
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@@ -4868,6 +4868,23 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef,
enum nl80211_iftype iftype);
/**
* cfg80211_reg_can_beacon_relax - check if beaconing is allowed with relaxation
* @wiphy: the wiphy
* @chandef: the channel definition
* @iftype: interface type
*
* Return: %true if there is no secondary channel or the secondary channel(s)
* can be used for beaconing (i.e. is not a radar channel etc.). This version
* also checks if IR-relaxation conditions apply, to allow beaconing under
* more permissive conditions.
*
* Requires the RTNL to be held.
*/
bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef,
enum nl80211_iftype iftype);
/*
* cfg80211_ch_switch_notify - update wdev channel and notify userspace
* @dev: the device which switched channels