diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/cfg80211.h | 92 |
1 files changed, 86 insertions, 6 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index e288fdcb3df2..a82fc59a1d82 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -128,6 +128,7 @@ enum ieee80211_channel_flags { * with cfg80211. * * @center_freq: center frequency in MHz + * @freq_offset: offset from @center_freq, in KHz * @hw_value: hardware-specific value for the channel * @flags: channel flags from &enum ieee80211_channel_flags. * @orig_flags: channel flags at registration time, used by regulatory @@ -149,6 +150,7 @@ enum ieee80211_channel_flags { struct ieee80211_channel { enum nl80211_band band; u32 center_freq; + u16 freq_offset; u16 hw_value; u32 flags; int max_antenna_gain; @@ -617,6 +619,7 @@ struct key_params { * If edmg is requested (i.e. the .channels member is non-zero), * chan will define the primary channel and all other * parameters are ignored. + * @freq1_offset: offset from @center_freq1, in KHz */ struct cfg80211_chan_def { struct ieee80211_channel *chan; @@ -624,6 +627,7 @@ struct cfg80211_chan_def { u32 center_freq1; u32 center_freq2; struct ieee80211_edmg edmg; + u16 freq1_offset; }; /** @@ -713,6 +717,7 @@ cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1, return (chandef1->chan == chandef2->chan && chandef1->width == chandef2->width && chandef1->center_freq1 == chandef2->center_freq1 && + chandef1->freq1_offset == chandef2->freq1_offset && chandef1->center_freq2 == chandef2->center_freq2); } @@ -5178,29 +5183,91 @@ static inline void *wdev_priv(struct wireless_dev *wdev) */ /** + * ieee80211_channel_equal - compare two struct ieee80211_channel + * + * @a: 1st struct ieee80211_channel + * @b: 2nd struct ieee80211_channel + * Return: true if center frequency of @a == @b + */ +static inline bool +ieee80211_channel_equal(struct ieee80211_channel *a, + struct ieee80211_channel *b) +{ + return (a->center_freq == b->center_freq && + a->freq_offset == b->freq_offset); +} + +/** + * ieee80211_channel_to_khz - convert ieee80211_channel to frequency in KHz + * @chan: struct ieee80211_channel to convert + * Return: The corresponding frequency (in KHz) + */ +static inline u32 +ieee80211_channel_to_khz(const struct ieee80211_channel *chan) +{ + return MHZ_TO_KHZ(chan->center_freq) + chan->freq_offset; +} + +/** + * ieee80211_channel_to_freq_khz - convert channel number to frequency + * @chan: channel number + * @band: band, necessary due to channel number overlap + * Return: The corresponding frequency (in KHz), or 0 if the conversion failed. + */ +u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band); + +/** * ieee80211_channel_to_frequency - convert channel number to frequency * @chan: channel number * @band: band, necessary due to channel number overlap * Return: The corresponding frequency (in MHz), or 0 if the conversion failed. */ -int ieee80211_channel_to_frequency(int chan, enum nl80211_band band); +static inline int +ieee80211_channel_to_frequency(int chan, enum nl80211_band band) +{ + return KHZ_TO_MHZ(ieee80211_channel_to_freq_khz(chan, band)); +} + +/** + * ieee80211_freq_khz_to_channel - convert frequency to channel number + * @freq: center frequency in KHz + * Return: The corresponding channel, or 0 if the conversion failed. + */ +int ieee80211_freq_khz_to_channel(u32 freq); /** * ieee80211_frequency_to_channel - convert frequency to channel number - * @freq: center frequency + * @freq: center frequency in MHz * Return: The corresponding channel, or 0 if the conversion failed. */ -int ieee80211_frequency_to_channel(int freq); +static inline int +ieee80211_frequency_to_channel(int freq) +{ + return ieee80211_freq_khz_to_channel(MHZ_TO_KHZ(freq)); +} + +/** + * ieee80211_get_channel_khz - get channel struct from wiphy for specified + * frequency + * @wiphy: the struct wiphy to get the channel for + * @freq: the center frequency (in KHz) of the channel + * Return: The channel struct from @wiphy at @freq. + */ +struct ieee80211_channel * +ieee80211_get_channel_khz(struct wiphy *wiphy, u32 freq); /** * ieee80211_get_channel - get channel struct from wiphy for specified frequency * * @wiphy: the struct wiphy to get the channel for - * @freq: the center frequency of the channel - * + * @freq: the center frequency (in MHz) of the channel * Return: The channel struct from @wiphy at @freq. */ -struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq); +static inline struct ieee80211_channel * +ieee80211_get_channel(struct wiphy *wiphy, int freq) +{ + return ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(freq)); +} /** * ieee80211_get_response_rate - get basic rate for a given rate @@ -7228,6 +7295,19 @@ bool ieee80211_operating_class_to_band(u8 operating_class, bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef, u8 *op_class); +/** + * ieee80211_chandef_to_khz - convert chandef to frequency in KHz + * + * @chandef: the chandef to convert + * + * Returns the center frequency of chandef (1st segment) in KHz. + */ +static inline u32 +ieee80211_chandef_to_khz(const struct cfg80211_chan_def *chandef) +{ + return MHZ_TO_KHZ(chandef->center_freq1) + chandef->freq1_offset; +} + /* * cfg80211_tdls_oper_request - request userspace to perform TDLS operation * @dev: the device on which the operation is requested |