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nl80211: add rate flags for 5/10 Mhz channels
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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1 changed files with 28 additions and 0 deletions
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@ -188,6 +188,8 @@ struct ieee80211_channel {
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* when used with 802.11g (on the 2.4 GHz band); filled by the
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* core code when registering the wiphy.
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* @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
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* @IEEE80211_RATE_SUPPORTS_5MHZ: Rate can be used in 5 MHz mode
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* @IEEE80211_RATE_SUPPORTS_10MHZ: Rate can be used in 10 MHz mode
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*/
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enum ieee80211_rate_flags {
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IEEE80211_RATE_SHORT_PREAMBLE = 1<<0,
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@ -195,6 +197,8 @@ enum ieee80211_rate_flags {
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IEEE80211_RATE_MANDATORY_B = 1<<2,
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IEEE80211_RATE_MANDATORY_G = 1<<3,
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IEEE80211_RATE_ERP_G = 1<<4,
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IEEE80211_RATE_SUPPORTS_5MHZ = 1<<5,
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IEEE80211_RATE_SUPPORTS_10MHZ = 1<<6,
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};
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/**
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@ -432,6 +436,30 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
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const struct cfg80211_chan_def *chandef,
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u32 prohibited_flags);
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/**
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* ieee80211_chandef_rate_flags - returns rate flags for a channel
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*
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* In some channel types, not all rates may be used - for example CCK
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* rates may not be used in 5/10 MHz channels.
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*
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* @chandef: channel definition for the channel
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*
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* Returns: rate flags which apply for this channel
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*/
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static inline enum ieee80211_rate_flags
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ieee80211_chandef_rate_flags(struct cfg80211_chan_def *chandef)
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{
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switch (chandef->width) {
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case NL80211_CHAN_WIDTH_5:
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return IEEE80211_RATE_SUPPORTS_5MHZ;
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case NL80211_CHAN_WIDTH_10:
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return IEEE80211_RATE_SUPPORTS_10MHZ;
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default:
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break;
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}
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return 0;
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}
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/**
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* enum survey_info_flags - survey information flags
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*
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