From c8866e55a94fb02b83b13f289e5e470fc928703a Mon Sep 17 00:00:00 2001 From: Ilan Peer Date: Sun, 23 Feb 2014 09:13:03 +0200 Subject: [PATCH] cfg80211: Enable GO operation on indoor channels Allow GO operation on a channel marked with IEEE80211_CHAN_INDOOR_ONLY iff there is a user hint indicating that the platform is operating in an indoor environment, i.e., the platform is a printer or media center device. Signed-off-by: Ilan Peer Signed-off-by: Johannes Berg --- net/wireless/chan.c | 12 ++++++++++-- net/wireless/reg.c | 5 +++++ net/wireless/reg.h | 5 +++++ 3 files changed, 20 insertions(+), 2 deletions(-) diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 50202af7fba3..c3180dc03a33 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -667,6 +667,8 @@ EXPORT_SYMBOL(cfg80211_chandef_usable); * IEEE80211_CHAN_GO_CONCURRENT and there is an additional station interface * associated to an AP on the same channel or on the same UNII band * (assuming that the AP is an authorized master). + * In addition allow the GO to operate on a channel on which indoor operation is + * allowed, iff we are currently operating in an indoor environment. */ static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev, struct ieee80211_channel *chan) @@ -677,8 +679,14 @@ static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev, ASSERT_RTNL(); if (!config_enabled(CONFIG_CFG80211_REG_RELAX_NO_IR) || - !(wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR) || - !(chan->flags & IEEE80211_CHAN_GO_CONCURRENT)) + !(wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR)) + return false; + + if (regulatory_indoor_allowed() && + (chan->flags & IEEE80211_CHAN_INDOOR_ONLY)) + return true; + + if (!(chan->flags & IEEE80211_CHAN_GO_CONCURRENT)) return false; /* diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 55d68c31ad72..bf3b0938891d 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2701,6 +2701,11 @@ int cfg80211_get_unii(int freq) return -EINVAL; } +bool regulatory_indoor_allowed(void) +{ + return reg_is_indoor; +} + int __init regulatory_init(void) { int err = 0; diff --git a/net/wireless/reg.h b/net/wireless/reg.h index 2a3842828f6d..5e48031ccb9a 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -117,4 +117,9 @@ void regulatory_hint_disconnect(void); */ int cfg80211_get_unii(int freq); +/** + * regulatory_indoor_allowed - is indoor operation allowed + */ +bool regulatory_indoor_allowed(void); + #endif /* __NET_WIRELESS_REG_H */ -- 2.20.1