diff options
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 239 |
1 files changed, 205 insertions, 34 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 7b0730aeb892..cb710913d5c8 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -461,6 +461,33 @@ ieee80211_chandef_rate_flags(struct cfg80211_chan_def *chandef) } /** + * ieee80211_chandef_max_power - maximum transmission power for the chandef + * + * In some regulations, the transmit power may depend on the configured channel + * bandwidth which may be defined as dBm/MHz. This function returns the actual + * max_power for non-standard (20 MHz) channels. + * + * @chandef: channel definition for the channel + * + * Returns: maximum allowed transmission power in dBm for the chandef + */ +static inline int +ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef) +{ + switch (chandef->width) { + case NL80211_CHAN_WIDTH_5: + return min(chandef->chan->max_reg_power - 6, + chandef->chan->max_power); + case NL80211_CHAN_WIDTH_10: + return min(chandef->chan->max_reg_power - 3, + chandef->chan->max_power); + default: + break; + } + return chandef->chan->max_power; +} + +/** * enum survey_info_flags - survey information flags * * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in @@ -490,7 +517,7 @@ enum survey_info_flags { * @channel: the channel this survey record reports, mandatory * @filled: bitflag of flags from &enum survey_info_flags * @noise: channel noise in dBm. This and all following fields are - * optional + * optional * @channel_time: amount of time in ms the radio spent on the channel * @channel_time_busy: amount of time the primary channel was sensed busy * @channel_time_ext_busy: amount of time the extension channel was sensed busy @@ -546,9 +573,9 @@ struct cfg80211_crypto_settings { /** * struct cfg80211_beacon_data - beacon data * @head: head portion of beacon (before TIM IE) - * or %NULL if not changed + * or %NULL if not changed * @tail: tail portion of beacon (after TIM IE) - * or %NULL if not changed + * or %NULL if not changed * @head_len: length of @head * @tail_len: length of @tail * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL @@ -639,6 +666,30 @@ struct cfg80211_ap_settings { }; /** + * struct cfg80211_csa_settings - channel switch settings + * + * Used for channel switch + * + * @chandef: defines the channel to use after the switch + * @beacon_csa: beacon data while performing the switch + * @counter_offset_beacon: offset for the counter within the beacon (tail) + * @counter_offset_presp: offset for the counter within the probe response + * @beacon_after: beacon data to be used on the new channel + * @radar_required: whether radar detection is required on the new channel + * @block_tx: whether transmissions should be blocked while changing + * @count: number of beacons until switch + */ +struct cfg80211_csa_settings { + struct cfg80211_chan_def chandef; + struct cfg80211_beacon_data beacon_csa; + u16 counter_offset_beacon, counter_offset_presp; + struct cfg80211_beacon_data beacon_after; + bool radar_required; + bool block_tx; + u8 count; +}; + +/** * enum station_parameters_apply_mask - station parameter values to apply * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp) * @STATION_PARAM_APPLY_CAPABILITY: apply new capability @@ -764,7 +815,7 @@ int cfg80211_check_station_change(struct wiphy *wiphy, * @STATION_INFO_PLINK_STATE: @plink_state filled * @STATION_INFO_SIGNAL: @signal filled * @STATION_INFO_TX_BITRATE: @txrate fields are filled - * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) + * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) * @STATION_INFO_RX_PACKETS: @rx_packets filled with 32-bit value * @STATION_INFO_TX_PACKETS: @tx_packets filled with 32-bit value * @STATION_INFO_TX_RETRIES: @tx_retries filled @@ -1285,6 +1336,7 @@ struct cfg80211_ssid { * @n_ssids: number of SSIDs * @channels: channels to scan on. * @n_channels: total number of channels to scan + * @scan_width: channel width for scanning * @ie: optional information element(s) to add into Probe Request or %NULL * @ie_len: length of ie in octets * @flags: bit field of flags controlling operation @@ -1300,6 +1352,7 @@ struct cfg80211_scan_request { struct cfg80211_ssid *ssids; int n_ssids; u32 n_channels; + enum nl80211_bss_scan_width scan_width; const u8 *ie; size_t ie_len; u32 flags; @@ -1333,6 +1386,7 @@ struct cfg80211_match_set { * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans) * @n_ssids: number of SSIDs * @n_channels: total number of channels to scan + * @scan_width: channel width for scanning * @interval: interval between each scheduled scan cycle * @ie: optional information element(s) to add into Probe Request or %NULL * @ie_len: length of ie in octets @@ -1352,6 +1406,7 @@ struct cfg80211_sched_scan_request { struct cfg80211_ssid *ssids; int n_ssids; u32 n_channels; + enum nl80211_bss_scan_width scan_width; u32 interval; const u8 *ie; size_t ie_len; @@ -1403,6 +1458,7 @@ struct cfg80211_bss_ies { * for use in scan results and similar. * * @channel: channel this BSS is on + * @scan_width: width of the control channel * @bssid: BSSID of the BSS * @beacon_interval: the beacon interval as from the frame * @capability: the capability field in host byte order @@ -1424,6 +1480,7 @@ struct cfg80211_bss_ies { */ struct cfg80211_bss { struct ieee80211_channel *channel; + enum nl80211_bss_scan_width scan_width; const struct cfg80211_bss_ies __rcu *ies; const struct cfg80211_bss_ies __rcu *beacon_ies; @@ -1509,7 +1566,7 @@ enum cfg80211_assoc_req_flags { * @prev_bssid: previous BSSID, if not %NULL use reassociate frame * @flags: See &enum cfg80211_assoc_req_flags * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask - * will be used in ht_capa. Un-supported values will be ignored. + * will be used in ht_capa. Un-supported values will be ignored. * @ht_capa_mask: The bits of ht_capa which are to be used. * @vht_capa: VHT capability override * @vht_capa_mask: VHT capability mask indicating which fields to use @@ -1592,6 +1649,9 @@ struct cfg80211_disassoc_request { * user space. Otherwise, port is marked authorized by default. * @basic_rates: bitmap of basic rates to use when creating the IBSS * @mcast_rate: per-band multicast rate index + 1 (0: disabled) + * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask + * will be used in ht_capa. Un-supported values will be ignored. + * @ht_capa_mask: The bits of ht_capa which are to be used. */ struct cfg80211_ibss_params { u8 *ssid; @@ -1605,6 +1665,8 @@ struct cfg80211_ibss_params { bool privacy; bool control_port; int mcast_rate[IEEE80211_NUM_BANDS]; + struct ieee80211_ht_cap ht_capa; + struct ieee80211_ht_cap ht_capa_mask; }; /** @@ -1630,9 +1692,9 @@ struct cfg80211_ibss_params { * @key: WEP key for shared key authentication * @flags: See &enum cfg80211_assoc_req_flags * @bg_scan_period: Background scan period in seconds - * or -1 to indicate that default value is to be used. + * or -1 to indicate that default value is to be used. * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask - * will be used in ht_capa. Un-supported values will be ignored. + * will be used in ht_capa. Un-supported values will be ignored. * @ht_capa_mask: The bits of ht_capa which are to be used. * @vht_capa: VHT Capability overrides * @vht_capa_mask: The bits of vht_capa which are to be used. @@ -1698,7 +1760,7 @@ struct cfg80211_pmksa { }; /** - * struct cfg80211_wowlan_trig_pkt_pattern - packet pattern + * struct cfg80211_pkt_pattern - packet pattern * @mask: bitmask where to match pattern and where to ignore bytes, * one bit per byte, in same format as nl80211 * @pattern: bytes to match where bitmask is 1 @@ -1708,7 +1770,7 @@ struct cfg80211_pmksa { * Internal note: @mask and @pattern are allocated in one chunk of * memory, free @mask only! */ -struct cfg80211_wowlan_trig_pkt_pattern { +struct cfg80211_pkt_pattern { u8 *mask, *pattern; int pattern_len; int pkt_offset; @@ -1770,12 +1832,41 @@ struct cfg80211_wowlan { bool any, disconnect, magic_pkt, gtk_rekey_failure, eap_identity_req, four_way_handshake, rfkill_release; - struct cfg80211_wowlan_trig_pkt_pattern *patterns; + struct cfg80211_pkt_pattern *patterns; struct cfg80211_wowlan_tcp *tcp; int n_patterns; }; /** + * struct cfg80211_coalesce_rules - Coalesce rule parameters + * + * This structure defines coalesce rule for the device. + * @delay: maximum coalescing delay in msecs. + * @condition: condition for packet coalescence. + * see &enum nl80211_coalesce_condition. + * @patterns: array of packet patterns + * @n_patterns: number of patterns + */ +struct cfg80211_coalesce_rules { + int delay; + enum nl80211_coalesce_condition condition; + struct cfg80211_pkt_pattern *patterns; + int n_patterns; +}; + +/** + * struct cfg80211_coalesce - Packet coalescing settings + * + * This structure defines coalescing settings. + * @rules: array of coalesce rules + * @n_rules: number of rules + */ +struct cfg80211_coalesce { + struct cfg80211_coalesce_rules *rules; + int n_rules; +}; + +/** * struct cfg80211_wowlan_wakeup - wakeup report * @disconnect: woke up by getting disconnected * @magic_pkt: woke up by receiving magic packet @@ -1990,7 +2081,7 @@ struct cfg80211_update_ft_ies_params { * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management * frame on another channel * - * @testmode_cmd: run a test mode command + * @testmode_cmd: run a test mode command; @wdev may be %NULL * @testmode_dump: Implement a test mode dump. The cb->args[2] and up may be * used by the function, but 0 and 1 must not be touched. Additionally, * return error codes other than -ENOBUFS and -ENOENT will terminate the @@ -2071,6 +2162,9 @@ struct cfg80211_update_ft_ies_params { * driver can take the most appropriate actions. * @crit_proto_stop: Indicates critical protocol no longer needs increased link * reliability. This operation can not fail. + * @set_coalesce: Set coalesce parameters. + * + * @channel_switch: initiate channel-switch procedure (with CSA) */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -2196,7 +2290,8 @@ struct cfg80211_ops { void (*rfkill_poll)(struct wiphy *wiphy); #ifdef CONFIG_NL80211_TESTMODE - int (*testmode_cmd)(struct wiphy *wiphy, void *data, int len); + int (*testmode_cmd)(struct wiphy *wiphy, struct wireless_dev *wdev, + void *data, int len); int (*testmode_dump)(struct wiphy *wiphy, struct sk_buff *skb, struct netlink_callback *cb, void *data, int len); @@ -2306,6 +2401,12 @@ struct cfg80211_ops { u16 duration); void (*crit_proto_stop)(struct wiphy *wiphy, struct wireless_dev *wdev); + int (*set_coalesce)(struct wiphy *wiphy, + struct cfg80211_coalesce *coalesce); + + int (*channel_switch)(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_csa_settings *params); }; /* @@ -2371,6 +2472,8 @@ struct cfg80211_ops { * @WIPHY_FLAG_OFFCHAN_TX: Device supports direct off-channel TX. * @WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL: Device supports remain-on-channel call. * @WIPHY_FLAG_SUPPORTS_5_10_MHZ: Device supports 5 MHz and 10 MHz channels. + * @WIPHY_FLAG_HAS_CHANNEL_SWITCH: Device supports channel switch in + * beaconing mode (AP, IBSS, Mesh, ...). */ enum wiphy_flags { WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0), @@ -2395,6 +2498,7 @@ enum wiphy_flags { WIPHY_FLAG_OFFCHAN_TX = BIT(20), WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL = BIT(21), WIPHY_FLAG_SUPPORTS_5_10_MHZ = BIT(22), + WIPHY_FLAG_HAS_CHANNEL_SWITCH = BIT(23), }; /** @@ -2532,6 +2636,25 @@ struct wiphy_wowlan_support { }; /** + * struct wiphy_coalesce_support - coalesce support data + * @n_rules: maximum number of coalesce rules + * @max_delay: maximum supported coalescing delay in msecs + * @n_patterns: number of supported patterns in a rule + * (see nl80211.h for the pattern definition) + * @pattern_max_len: maximum length of each pattern + * @pattern_min_len: minimum length of each pattern + * @max_pkt_offset: maximum Rx packet offset + */ +struct wiphy_coalesce_support { + int n_rules; + int max_delay; + int n_patterns; + int pattern_max_len; + int pattern_min_len; + int max_pkt_offset; +}; + +/** * struct wiphy - wireless hardware description * @reg_notifier: the driver's regulatory notification callback, * note that if your driver uses wiphy_apply_custom_regulatory() @@ -2641,6 +2764,7 @@ struct wiphy_wowlan_support { * 802.11-2012 8.4.2.29 for the defined fields. * @extended_capabilities_mask: mask of the valid values * @extended_capabilities_len: length of the extended capabilities + * @coalesce: packet coalescing support information */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -2750,6 +2874,8 @@ struct wiphy { const struct iw_handler_def *wext; #endif + const struct wiphy_coalesce_support *coalesce; + char priv[0] __aligned(NETDEV_ALIGN); }; @@ -2841,7 +2967,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv); * * Return: A non-negative wiphy index or a negative error code. */ -extern int wiphy_register(struct wiphy *wiphy); +int wiphy_register(struct wiphy *wiphy); /** * wiphy_unregister - deregister a wiphy from cfg80211 @@ -2852,14 +2978,14 @@ extern int wiphy_register(struct wiphy *wiphy); * pointer, but the call may sleep to wait for an outstanding * request that is being handled. */ -extern void wiphy_unregister(struct wiphy *wiphy); +void wiphy_unregister(struct wiphy *wiphy); /** * wiphy_free - free wiphy * * @wiphy: The wiphy to free */ -extern void wiphy_free(struct wiphy *wiphy); +void wiphy_free(struct wiphy *wiphy); /* internal structs */ struct cfg80211_conn; @@ -3014,14 +3140,14 @@ static inline void *wdev_priv(struct wireless_dev *wdev) * @band: band, necessary due to channel number overlap * Return: The corresponding frequency (in MHz), or 0 if the conversion failed. */ -extern int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band); +int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band); /** * ieee80211_frequency_to_channel - convert frequency to channel number * @freq: center frequency * Return: The corresponding channel, or 0 if the conversion failed. */ -extern int ieee80211_frequency_to_channel(int freq); +int ieee80211_frequency_to_channel(int freq); /* * Name indirection necessary because the ieee80211 code also has @@ -3030,8 +3156,8 @@ extern int ieee80211_frequency_to_channel(int freq); * to include both header files you'll (rightfully!) get a symbol * clash. */ -extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, - int freq); +struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, + int freq); /** * ieee80211_get_channel - get channel struct from wiphy for specified frequency * @wiphy: the struct wiphy to get the channel for @@ -3063,11 +3189,13 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband, /** * ieee80211_mandatory_rates - get mandatory rates for a given band * @sband: the band to look for rates in + * @scan_width: width of the control channel * * This function returns a bitmap of the mandatory rates for the given * band, bits are set according to the rate position in the bitrates array. */ -u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband); +u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband, + enum nl80211_bss_scan_width scan_width); /* * Radiotap parsing functions -- for controlled injection support @@ -3141,13 +3269,14 @@ struct ieee80211_radiotap_iterator { int _reset_on_ext; }; -extern int ieee80211_radiotap_iterator_init( - struct ieee80211_radiotap_iterator *iterator, - struct ieee80211_radiotap_header *radiotap_header, - int max_length, const struct ieee80211_radiotap_vendor_namespaces *vns); +int +ieee80211_radiotap_iterator_init(struct ieee80211_radiotap_iterator *iterator, + struct ieee80211_radiotap_header *radiotap_header, + int max_length, + const struct ieee80211_radiotap_vendor_namespaces *vns); -extern int ieee80211_radiotap_iterator_next( - struct ieee80211_radiotap_iterator *iterator); +int +ieee80211_radiotap_iterator_next(struct ieee80211_radiotap_iterator *iterator); extern const unsigned char rfc1042_header[6]; @@ -3307,7 +3436,7 @@ const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type, * * Return: 0 on success. -ENOMEM. */ -extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); +int regulatory_hint(struct wiphy *wiphy, const char *alpha2); /** * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain @@ -3321,9 +3450,8 @@ extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); * default channel settings will be disregarded. If no rule is found for a * channel on the regulatory domain the channel will be disabled. */ -extern void wiphy_apply_custom_regulatory( - struct wiphy *wiphy, - const struct ieee80211_regdomain *regd); +void wiphy_apply_custom_regulatory(struct wiphy *wiphy, + const struct ieee80211_regdomain *regd); /** * freq_reg_info - get regulatory information for the given frequency @@ -3379,10 +3507,11 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy); void cfg80211_sched_scan_stopped(struct wiphy *wiphy); /** - * cfg80211_inform_bss_frame - inform cfg80211 of a received BSS frame + * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame * * @wiphy: the wiphy reporting the BSS * @channel: The channel the frame was received on + * @scan_width: width of the control channel * @mgmt: the management frame (probe response or beacon) * @len: length of the management frame * @signal: the signal strength, type depends on the wiphy's signal_type @@ -3395,16 +3524,29 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy); * Or %NULL on error. */ struct cfg80211_bss * __must_check +cfg80211_inform_bss_width_frame(struct wiphy *wiphy, + struct ieee80211_channel *channel, + enum nl80211_bss_scan_width scan_width, + struct ieee80211_mgmt *mgmt, size_t len, + s32 signal, gfp_t gfp); + +static inline struct cfg80211_bss * __must_check cfg80211_inform_bss_frame(struct wiphy *wiphy, struct ieee80211_channel *channel, struct ieee80211_mgmt *mgmt, size_t len, - s32 signal, gfp_t gfp); + s32 signal, gfp_t gfp) +{ + return cfg80211_inform_bss_width_frame(wiphy, channel, + NL80211_BSS_CHAN_WIDTH_20, + mgmt, len, signal, gfp); +} /** * cfg80211_inform_bss - inform cfg80211 of a new BSS * * @wiphy: the wiphy reporting the BSS * @channel: The channel the frame was received on + * @scan_width: width of the control channel * @bssid: the BSSID of the BSS * @tsf: the TSF sent by the peer in the beacon/probe response (or 0) * @capability: the capability field sent by the peer @@ -3421,11 +3563,26 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, * Or %NULL on error. */ struct cfg80211_bss * __must_check +cfg80211_inform_bss_width(struct wiphy *wiphy, + struct ieee80211_channel *channel, + enum nl80211_bss_scan_width scan_width, + const u8 *bssid, u64 tsf, u16 capability, + u16 beacon_interval, const u8 *ie, size_t ielen, + s32 signal, gfp_t gfp); + +static inline struct cfg80211_bss * __must_check cfg80211_inform_bss(struct wiphy *wiphy, struct ieee80211_channel *channel, const u8 *bssid, u64 tsf, u16 capability, u16 beacon_interval, const u8 *ie, size_t ielen, - s32 signal, gfp_t gfp); + s32 signal, gfp_t gfp) +{ + return cfg80211_inform_bss_width(wiphy, channel, + NL80211_BSS_CHAN_WIDTH_20, + bssid, tsf, capability, + beacon_interval, ie, ielen, signal, + gfp); +} struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, struct ieee80211_channel *channel, @@ -3471,6 +3628,19 @@ void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); */ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); +static inline enum nl80211_bss_scan_width +cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef) +{ + switch (chandef->width) { + case NL80211_CHAN_WIDTH_5: + return NL80211_BSS_CHAN_WIDTH_5; + case NL80211_CHAN_WIDTH_10: + return NL80211_BSS_CHAN_WIDTH_10; + default: + return NL80211_BSS_CHAN_WIDTH_20; + } +} + /** * cfg80211_rx_mlme_mgmt - notification of processed MLME management frame * @dev: network device @@ -3886,6 +4056,7 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, * @sig_dbm: signal strength in mBm, or 0 if unknown * @buf: Management frame (header + body) * @len: length of the frame data + * @flags: flags, as defined in enum nl80211_rxmgmt_flags * @gfp: context flags * * This function is called whenever an Action frame is received for a station @@ -3897,7 +4068,7 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, * driver is responsible for rejecting the frame. */ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm, - const u8 *buf, size_t len, gfp_t gfp); + const u8 *buf, size_t len, u32 flags, gfp_t gfp); /** * cfg80211_mgmt_tx_status - notification of TX status for management frame |