diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 170 |
1 files changed, 122 insertions, 48 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 8a1aec54e68f..e78db2cf3d1b 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -306,6 +306,88 @@ struct key_params { }; /** + * struct cfg80211_chan_def - channel definition + * @chan: the (control) channel + * @width: channel width + * @center_freq1: center frequency of first segment + * @center_freq2: center frequency of second segment + * (only with 80+80 MHz) + */ +struct cfg80211_chan_def { + struct ieee80211_channel *chan; + enum nl80211_chan_width width; + u32 center_freq1; + u32 center_freq2; +}; + +/** + * cfg80211_get_chandef_type - return old channel type from chandef + * @chandef: the channel definition + * + * Returns the old channel type (NOHT, HT20, HT40+/-) from a given + * chandef, which must have a bandwidth allowing this conversion. + */ +static inline enum nl80211_channel_type +cfg80211_get_chandef_type(const struct cfg80211_chan_def *chandef) +{ + switch (chandef->width) { + case NL80211_CHAN_WIDTH_20_NOHT: + return NL80211_CHAN_NO_HT; + case NL80211_CHAN_WIDTH_20: + return NL80211_CHAN_HT20; + case NL80211_CHAN_WIDTH_40: + if (chandef->center_freq1 > chandef->chan->center_freq) + return NL80211_CHAN_HT40PLUS; + return NL80211_CHAN_HT40MINUS; + default: + WARN_ON(1); + return NL80211_CHAN_NO_HT; + } +} + +/** + * cfg80211_chandef_create - create channel definition using channel type + * @chandef: the channel definition struct to fill + * @channel: the control channel + * @chantype: the channel type + * + * Given a channel type, create a channel definition. + */ +void cfg80211_chandef_create(struct cfg80211_chan_def *chandef, + struct ieee80211_channel *channel, + enum nl80211_channel_type chantype); + +/** + * cfg80211_chandef_identical - check if two channel definitions are identical + * @chandef1: first channel definition + * @chandef2: second channel definition + * + * Returns %true if the channels defined by the channel definitions are + * identical, %false otherwise. + */ +static inline bool +cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1, + const struct cfg80211_chan_def *chandef2) +{ + return (chandef1->chan == chandef2->chan && + chandef1->width == chandef2->width && + chandef1->center_freq1 == chandef2->center_freq1 && + chandef1->center_freq2 == chandef2->center_freq2); +} + +/** + * cfg80211_chandef_compatible - check if two channel definitions are compatible + * @chandef1: first channel definition + * @chandef2: second channel definition + * + * Returns %NULL if the given channel definitions are incompatible, + * chandef1 or chandef2 otherwise. + */ +const struct cfg80211_chan_def * +cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1, + const struct cfg80211_chan_def *chandef2); + +/** * enum survey_info_flags - survey information flags * * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in @@ -426,8 +508,7 @@ struct cfg80211_beacon_data { * * Used to configure an AP interface. * - * @channel: the channel to start the AP on - * @channel_type: the channel type to use + * @chandef: defines the channel to use * @beacon: beacon data * @beacon_interval: beacon interval * @dtim_period: DTIM period @@ -441,8 +522,7 @@ struct cfg80211_beacon_data { * @inactivity_timeout: time in seconds to determine station's inactivity. */ struct cfg80211_ap_settings { - struct ieee80211_channel *channel; - enum nl80211_channel_type channel_type; + struct cfg80211_chan_def chandef; struct cfg80211_beacon_data beacon; @@ -582,16 +662,24 @@ enum station_info_flags { * Used by the driver to indicate the specific rate transmission * type for 802.11n transmissions. * - * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled - * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission + * @RATE_INFO_FLAGS_MCS: mcs field filled with HT MCS + * @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS + * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 MHz width transmission + * @RATE_INFO_FLAGS_80_MHZ_WIDTH: 80 MHz width transmission + * @RATE_INFO_FLAGS_80P80_MHZ_WIDTH: 80+80 MHz width transmission + * @RATE_INFO_FLAGS_160_MHZ_WIDTH: 160 MHz width transmission * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval - * @RATE_INFO_FLAGS_60G: 60gHz MCS + * @RATE_INFO_FLAGS_60G: 60GHz MCS */ enum rate_info_flags { - RATE_INFO_FLAGS_MCS = 1<<0, - RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1, - RATE_INFO_FLAGS_SHORT_GI = 1<<2, - RATE_INFO_FLAGS_60G = 1<<3, + RATE_INFO_FLAGS_MCS = BIT(0), + RATE_INFO_FLAGS_VHT_MCS = BIT(1), + RATE_INFO_FLAGS_40_MHZ_WIDTH = BIT(2), + RATE_INFO_FLAGS_80_MHZ_WIDTH = BIT(3), + RATE_INFO_FLAGS_80P80_MHZ_WIDTH = BIT(4), + RATE_INFO_FLAGS_160_MHZ_WIDTH = BIT(5), + RATE_INFO_FLAGS_SHORT_GI = BIT(6), + RATE_INFO_FLAGS_60G = BIT(7), }; /** @@ -602,11 +690,13 @@ enum rate_info_flags { * @flags: bitflag of flags from &enum rate_info_flags * @mcs: mcs index if struct describes a 802.11n bitrate * @legacy: bitrate in 100kbit/s for 802.11abg + * @nss: number of streams (VHT only) */ struct rate_info { u8 flags; u8 mcs; u16 legacy; + u8 nss; }; /** @@ -909,8 +999,7 @@ struct mesh_config { /** * struct mesh_setup - 802.11s mesh setup configuration - * @channel: the channel to start the mesh network on - * @channel_type: the channel type to use + * @chandef: defines the channel to use * @mesh_id: the mesh ID * @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes * @sync_method: which synchronization method to use @@ -925,8 +1014,7 @@ struct mesh_config { * These parameters are fixed when the mesh is created. */ struct mesh_setup { - struct ieee80211_channel *channel; - enum nl80211_channel_type channel_type; + struct cfg80211_chan_def chandef; const u8 *mesh_id; u8 mesh_id_len; u8 sync_method; @@ -1266,8 +1354,7 @@ struct cfg80211_disassoc_request { * @ssid_len: The length of the SSID, will always be non-zero. * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not * search for IBSSs with a different BSSID. - * @channel: The channel to use if no IBSS can be found to join. - * @channel_type: channel type (HT mode) + * @chandef: defines the channel to use if no other IBSS to join can be found * @channel_fixed: The channel should be fixed -- do not search for * IBSSs to join on other channels. * @ie: information element(s) to include in the beacon @@ -1285,8 +1372,7 @@ struct cfg80211_disassoc_request { struct cfg80211_ibss_params { u8 *ssid; u8 *bssid; - struct ieee80211_channel *channel; - enum nl80211_channel_type channel_type; + struct cfg80211_chan_def chandef; u8 *ie; u8 ssid_len, ie_len; u16 beacon_interval; @@ -1728,8 +1814,7 @@ struct cfg80211_ops { struct ieee80211_channel *chan); int (*set_monitor_channel)(struct wiphy *wiphy, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type); + struct cfg80211_chan_def *chandef); int (*scan)(struct wiphy *wiphy, struct cfg80211_scan_request *request); @@ -1791,7 +1876,6 @@ struct cfg80211_ops { int (*remain_on_channel)(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie); int (*cancel_remain_on_channel)(struct wiphy *wiphy, @@ -1800,10 +1884,8 @@ struct cfg80211_ops { int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, unsigned int wait, - const u8 *buf, size_t len, bool no_cck, - bool dont_wait_for_ack, u64 *cookie); + unsigned int wait, const u8 *buf, size_t len, + bool no_cck, bool dont_wait_for_ack, u64 *cookie); int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie); @@ -1858,10 +1940,9 @@ struct cfg80211_ops { void (*get_et_strings)(struct wiphy *wiphy, struct net_device *dev, u32 sset, u8 *data); - struct ieee80211_channel * - (*get_channel)(struct wiphy *wiphy, + int (*get_channel)(struct wiphy *wiphy, struct wireless_dev *wdev, - enum nl80211_channel_type *type); + struct cfg80211_chan_def *chandef); int (*start_p2p_device)(struct wiphy *wiphy, struct wireless_dev *wdev); @@ -2469,8 +2550,7 @@ struct wireless_dev { spinlock_t event_lock; struct cfg80211_internal_bss *current_bss; /* associated / joined */ - struct ieee80211_channel *preset_chan; - enum nl80211_channel_type preset_chantype; + struct cfg80211_chan_def preset_chandef; /* for AP and mesh channel tracking */ struct ieee80211_channel *channel; @@ -3350,14 +3430,12 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason, * @wdev: wireless device * @cookie: the request cookie * @chan: The current channel (from remain_on_channel request) - * @channel_type: Channel type * @duration: Duration in milliseconds that the driver intents to remain on the * channel * @gfp: allocation flags */ void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, unsigned int duration, gfp_t gfp); /** @@ -3365,12 +3443,10 @@ void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, * @wdev: wireless device * @cookie: the request cookie * @chan: The current channel (from remain_on_channel request) - * @channel_type: Channel type * @gfp: allocation flags */ void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, gfp_t gfp); @@ -3570,28 +3646,25 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, int freq, int sig_dbm); /** - * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used + * cfg80211_reg_can_beacon - check if beaconing is allowed * @wiphy: the wiphy - * @chan: main channel - * @channel_type: HT mode + * @chandef: the channel definition * * This function returns true if there is no secondary channel or the secondary - * channel can be used for beaconing (i.e. is not a radar channel etc.) + * channel(s) can be used for beaconing (i.e. is not a radar channel etc.) */ -bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type); +bool cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef); /* * cfg80211_ch_switch_notify - update wdev channel and notify userspace * @dev: the device which switched channels - * @freq: new channel frequency (in MHz) - * @type: channel type + * @chandef: the new channel definition * * Acquires wdev_lock, so must only be called from sleepable driver context! */ -void cfg80211_ch_switch_notify(struct net_device *dev, int freq, - enum nl80211_channel_type type); +void cfg80211_ch_switch_notify(struct net_device *dev, + struct cfg80211_chan_def *chandef); /* * cfg80211_tdls_oper_request - request userspace to perform TDLS operation @@ -3652,8 +3725,9 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev); * the data is malformed or the attribute can't be found (respectively), * or the length of the found attribute (which can be zero). */ -unsigned int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len, - u8 attr, u8 *buf, unsigned int bufsize); +int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len, + enum ieee80211_p2p_attr_id attr, + u8 *buf, unsigned int bufsize); /* Logging, debugging and troubleshooting/diagnostic helpers. */ |