From 1ce3e82b0eb472161313183be0033e46d5c4bbaf Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 1 Aug 2012 17:00:55 +0200 Subject: [PATCH] cfg80211: add ieee80211_operating_class_to_band This function converts a (global only!) operating class to an internal band identifier. This will be needed for extended channel switch support. Signed-off-by: Johannes Berg --- include/net/cfg80211.h | 11 +++++++++++ net/wireless/util.c | 20 ++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 57870b646974..dff96d8cafcd 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4024,6 +4024,17 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, void cfg80211_ch_switch_notify(struct net_device *dev, struct cfg80211_chan_def *chandef); +/** + * ieee80211_operating_class_to_band - convert operating class to band + * + * @operating_class: the operating class to convert + * @band: band pointer to fill + * + * Returns %true if the conversion was successful, %false otherwise. + */ +bool ieee80211_operating_class_to_band(u8 operating_class, + enum ieee80211_band *band); + /* * cfg80211_tdls_oper_request - request userspace to perform TDLS operation * @dev: the device on which the operation is requested diff --git a/net/wireless/util.c b/net/wireless/util.c index 37a56ee1e1ed..3d8a1334f4a9 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1155,6 +1155,26 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len, } EXPORT_SYMBOL(cfg80211_get_p2p_attr); +bool ieee80211_operating_class_to_band(u8 operating_class, + enum ieee80211_band *band) +{ + switch (operating_class) { + case 112: + case 115 ... 127: + *band = IEEE80211_BAND_5GHZ; + return true; + case 81: + case 82: + case 83: + case 84: + *band = IEEE80211_BAND_2GHZ; + return true; + } + + return false; +} +EXPORT_SYMBOL(ieee80211_operating_class_to_band); + int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, u32 beacon_int) { -- GitLab