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-rw-r--r--include/net/cfg80211.h287
1 files changed, 224 insertions, 63 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f3539a15c411..e46c437944f7 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -109,6 +109,13 @@ enum ieee80211_band {
* channel as the control or any of the secondary channels.
* This may be due to the driver or due to regulatory bandwidth
* restrictions.
+ * @IEEE80211_CHAN_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY
+ * @IEEE80211_CHAN_GO_CONCURRENT: see %NL80211_FREQUENCY_ATTR_GO_CONCURRENT
+ * @IEEE80211_CHAN_NO_20MHZ: 20 MHz bandwidth is not permitted
+ * on this channel.
+ * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted
+ * on this channel.
+ *
*/
enum ieee80211_channel_flags {
IEEE80211_CHAN_DISABLED = 1<<0,
@@ -120,6 +127,10 @@ enum ieee80211_channel_flags {
IEEE80211_CHAN_NO_OFDM = 1<<6,
IEEE80211_CHAN_NO_80MHZ = 1<<7,
IEEE80211_CHAN_NO_160MHZ = 1<<8,
+ IEEE80211_CHAN_INDOOR_ONLY = 1<<9,
+ IEEE80211_CHAN_GO_CONCURRENT = 1<<10,
+ IEEE80211_CHAN_NO_20MHZ = 1<<11,
+ IEEE80211_CHAN_NO_10MHZ = 1<<12,
};
#define IEEE80211_CHAN_NO_HT40 \
@@ -330,8 +341,8 @@ struct vif_params {
* @seq_len: length of @seq.
*/
struct key_params {
- u8 *key;
- u8 *seq;
+ const u8 *key;
+ const u8 *seq;
int key_len;
int seq_len;
u32 cipher;
@@ -441,10 +452,13 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
* cfg80211_chandef_dfs_required - checks if radar detection is required
* @wiphy: the wiphy to validate against
* @chandef: the channel definition to check
- * Return: 1 if radar detection is required, 0 if it is not, < 0 on error
+ * @iftype: the interface type as specified in &enum nl80211_iftype
+ * Returns:
+ * 1 if radar detection is required, 0 if it is not, < 0 on error
*/
int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
- const struct cfg80211_chan_def *chandef);
+ const struct cfg80211_chan_def *chandef,
+ enum nl80211_iftype iftype);
/**
* ieee80211_chandef_rate_flags - returns rate flags for a channel
@@ -654,7 +668,6 @@ struct cfg80211_acl_data {
* @p2p_opp_ps: P2P opportunistic PS
* @acl: ACL configuration used by the drivers which has support for
* MAC address based access control
- * @radar_required: set if radar detection is required
*/
struct cfg80211_ap_settings {
struct cfg80211_chan_def chandef;
@@ -672,7 +685,6 @@ struct cfg80211_ap_settings {
u8 p2p_ctwindow;
bool p2p_opp_ps;
const struct cfg80211_acl_data *acl;
- bool radar_required;
};
/**
@@ -682,8 +694,10 @@ struct cfg80211_ap_settings {
*
* @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
+ * @counter_offsets_beacon: offsets of the counters within the beacon (tail)
+ * @counter_offsets_presp: offsets of the counters within the probe response
+ * @n_counter_offsets_beacon: number of csa counters the beacon (tail)
+ * @n_counter_offsets_presp: number of csa counters in 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
@@ -692,7 +706,10 @@ struct cfg80211_ap_settings {
struct cfg80211_csa_settings {
struct cfg80211_chan_def chandef;
struct cfg80211_beacon_data beacon_csa;
- u16 counter_offset_beacon, counter_offset_presp;
+ const u16 *counter_offsets_beacon;
+ const u16 *counter_offsets_presp;
+ unsigned int n_counter_offsets_beacon;
+ unsigned int n_counter_offsets_presp;
struct cfg80211_beacon_data beacon_after;
bool radar_required;
bool block_tx;
@@ -856,36 +873,38 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
* @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
* @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
* @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
+ * @STATION_INFO_EXPECTED_THROUGHPUT: @expected_throughput filled
*/
enum station_info_flags {
- STATION_INFO_INACTIVE_TIME = 1<<0,
- STATION_INFO_RX_BYTES = 1<<1,
- STATION_INFO_TX_BYTES = 1<<2,
- STATION_INFO_LLID = 1<<3,
- STATION_INFO_PLID = 1<<4,
- STATION_INFO_PLINK_STATE = 1<<5,
- STATION_INFO_SIGNAL = 1<<6,
- STATION_INFO_TX_BITRATE = 1<<7,
- STATION_INFO_RX_PACKETS = 1<<8,
- STATION_INFO_TX_PACKETS = 1<<9,
- STATION_INFO_TX_RETRIES = 1<<10,
- STATION_INFO_TX_FAILED = 1<<11,
- STATION_INFO_RX_DROP_MISC = 1<<12,
- STATION_INFO_SIGNAL_AVG = 1<<13,
- STATION_INFO_RX_BITRATE = 1<<14,
- STATION_INFO_BSS_PARAM = 1<<15,
- STATION_INFO_CONNECTED_TIME = 1<<16,
- STATION_INFO_ASSOC_REQ_IES = 1<<17,
- STATION_INFO_STA_FLAGS = 1<<18,
- STATION_INFO_BEACON_LOSS_COUNT = 1<<19,
- STATION_INFO_T_OFFSET = 1<<20,
- STATION_INFO_LOCAL_PM = 1<<21,
- STATION_INFO_PEER_PM = 1<<22,
- STATION_INFO_NONPEER_PM = 1<<23,
- STATION_INFO_RX_BYTES64 = 1<<24,
- STATION_INFO_TX_BYTES64 = 1<<25,
- STATION_INFO_CHAIN_SIGNAL = 1<<26,
- STATION_INFO_CHAIN_SIGNAL_AVG = 1<<27,
+ STATION_INFO_INACTIVE_TIME = BIT(0),
+ STATION_INFO_RX_BYTES = BIT(1),
+ STATION_INFO_TX_BYTES = BIT(2),
+ STATION_INFO_LLID = BIT(3),
+ STATION_INFO_PLID = BIT(4),
+ STATION_INFO_PLINK_STATE = BIT(5),
+ STATION_INFO_SIGNAL = BIT(6),
+ STATION_INFO_TX_BITRATE = BIT(7),
+ STATION_INFO_RX_PACKETS = BIT(8),
+ STATION_INFO_TX_PACKETS = BIT(9),
+ STATION_INFO_TX_RETRIES = BIT(10),
+ STATION_INFO_TX_FAILED = BIT(11),
+ STATION_INFO_RX_DROP_MISC = BIT(12),
+ STATION_INFO_SIGNAL_AVG = BIT(13),
+ STATION_INFO_RX_BITRATE = BIT(14),
+ STATION_INFO_BSS_PARAM = BIT(15),
+ STATION_INFO_CONNECTED_TIME = BIT(16),
+ STATION_INFO_ASSOC_REQ_IES = BIT(17),
+ STATION_INFO_STA_FLAGS = BIT(18),
+ STATION_INFO_BEACON_LOSS_COUNT = BIT(19),
+ STATION_INFO_T_OFFSET = BIT(20),
+ STATION_INFO_LOCAL_PM = BIT(21),
+ STATION_INFO_PEER_PM = BIT(22),
+ STATION_INFO_NONPEER_PM = BIT(23),
+ STATION_INFO_RX_BYTES64 = BIT(24),
+ STATION_INFO_TX_BYTES64 = BIT(25),
+ STATION_INFO_CHAIN_SIGNAL = BIT(26),
+ STATION_INFO_CHAIN_SIGNAL_AVG = BIT(27),
+ STATION_INFO_EXPECTED_THROUGHPUT = BIT(28),
};
/**
@@ -1007,6 +1026,8 @@ struct sta_bss_parameters {
* @local_pm: local mesh STA power save mode
* @peer_pm: peer mesh STA power save mode
* @nonpeer_pm: non-peer mesh STA power save mode
+ * @expected_throughput: expected throughput in kbps (including 802.11 headers)
+ * towards this station.
*/
struct station_info {
u32 filled;
@@ -1045,6 +1066,8 @@ struct station_info {
enum nl80211_mesh_power_mode peer_pm;
enum nl80211_mesh_power_mode nonpeer_pm;
+ u32 expected_throughput;
+
/*
* Note: Add a new enum station_info_flags value for each new field and
* use it to check which fields are initialized.
@@ -1052,6 +1075,19 @@ struct station_info {
};
/**
+ * cfg80211_get_station - retrieve information about a given station
+ * @dev: the device where the station is supposed to be connected to
+ * @mac_addr: the mac address of the station of interest
+ * @sinfo: pointer to the structure to fill with the information
+ *
+ * Returns 0 on success and sinfo is filled with the available information
+ * otherwise returns a negative error code and the content of sinfo has to be
+ * considered undefined.
+ */
+int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo);
+
+/**
* enum monitor_flags - monitor flags
*
* Monitor interface configuration flags. Note that these must be the bits
@@ -1152,7 +1188,7 @@ struct bss_parameters {
int use_cts_prot;
int use_short_preamble;
int use_short_slot_time;
- u8 *basic_rates;
+ const u8 *basic_rates;
u8 basic_rates_len;
int ap_isolate;
int ht_opmode;
@@ -1682,10 +1718,10 @@ struct cfg80211_disassoc_request {
* @ht_capa_mask: The bits of ht_capa which are to be used.
*/
struct cfg80211_ibss_params {
- u8 *ssid;
- u8 *bssid;
+ const u8 *ssid;
+ const u8 *bssid;
struct cfg80211_chan_def chandef;
- u8 *ie;
+ const u8 *ie;
u8 ssid_len, ie_len;
u16 beacon_interval;
u32 basic_rates;
@@ -1794,8 +1830,8 @@ struct cfg80211_bitrate_mask {
* @pmkid: The PMK material itself.
*/
struct cfg80211_pmksa {
- u8 *bssid;
- u8 *pmkid;
+ const u8 *bssid;
+ const u8 *pmkid;
};
/**
@@ -1810,7 +1846,7 @@ struct cfg80211_pmksa {
* memory, free @mask only!
*/
struct cfg80211_pkt_pattern {
- u8 *mask, *pattern;
+ const u8 *mask, *pattern;
int pattern_len;
int pkt_offset;
};
@@ -1974,6 +2010,8 @@ struct cfg80211_update_ft_ies_params {
* @len: buffer length
* @no_cck: don't use cck rates for this frame
* @dont_wait_for_ack: tells the low level not to wait for an ack
+ * @n_csa_offsets: length of csa_offsets array
+ * @csa_offsets: array of all the csa offsets in the frame
*/
struct cfg80211_mgmt_tx_params {
struct ieee80211_channel *chan;
@@ -1983,6 +2021,8 @@ struct cfg80211_mgmt_tx_params {
size_t len;
bool no_cck;
bool dont_wait_for_ack;
+ int n_csa_offsets;
+ const u16 *csa_offsets;
};
/**
@@ -2278,6 +2318,10 @@ struct cfg80211_qos_map {
* @channel_switch: initiate channel-switch procedure (with CSA)
*
* @set_qos_map: Set QoS mapping information to the driver
+ *
+ * @set_ap_chanwidth: Set the AP (including P2P GO) mode channel width for the
+ * given interface This is used e.g. for dynamic HT 20/40 MHz channel width
+ * changes during the lifetime of the BSS.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -2320,28 +2364,29 @@ struct cfg80211_ops {
int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
- u8 *mac, struct station_parameters *params);
+ const u8 *mac,
+ struct station_parameters *params);
int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
- u8 *mac);
+ const u8 *mac);
int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
- u8 *mac, struct station_parameters *params);
+ const u8 *mac,
+ struct station_parameters *params);
int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
- u8 *mac, struct station_info *sinfo);
+ const u8 *mac, struct station_info *sinfo);
int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
- int idx, u8 *mac, struct station_info *sinfo);
+ int idx, u8 *mac, struct station_info *sinfo);
int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
- u8 *dst, u8 *next_hop);
+ const u8 *dst, const u8 *next_hop);
int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
- u8 *dst);
+ const u8 *dst);
int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
- u8 *dst, u8 *next_hop);
+ const u8 *dst, const u8 *next_hop);
int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
- u8 *dst, u8 *next_hop,
- struct mpath_info *pinfo);
+ u8 *dst, u8 *next_hop, struct mpath_info *pinfo);
int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
- int idx, u8 *dst, u8 *next_hop,
- struct mpath_info *pinfo);
+ int idx, u8 *dst, u8 *next_hop,
+ struct mpath_info *pinfo);
int (*get_mesh_config)(struct wiphy *wiphy,
struct net_device *dev,
struct mesh_config *conf);
@@ -2471,11 +2516,11 @@ struct cfg80211_ops {
struct cfg80211_gtk_rekey_data *data);
int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
- u8 *peer, u8 action_code, u8 dialog_token,
+ const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *buf, size_t len);
int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
- u8 *peer, enum nl80211_tdls_operation oper);
+ const u8 *peer, enum nl80211_tdls_operation oper);
int (*probe_client)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u64 *cookie);
@@ -2521,9 +2566,13 @@ struct cfg80211_ops {
int (*channel_switch)(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_csa_settings *params);
+
int (*set_qos_map)(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_qos_map *qos_map);
+
+ int (*set_ap_chanwidth)(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_chan_def *chandef);
};
/*
@@ -2618,6 +2667,7 @@ struct ieee80211_iface_limit {
* between infrastructure and AP types must match. This is required
* only in special cases.
* @radar_detect_widths: bitmap of channel widths supported for radar detection
+ * @radar_detect_regions: bitmap of regions supported for radar detection
*
* With this structure the driver can describe which interface
* combinations it supports concurrently.
@@ -2675,6 +2725,7 @@ struct ieee80211_iface_combination {
u8 n_limits;
bool beacon_int_infra_match;
u8 radar_detect_widths;
+ u8 radar_detect_regions;
};
struct ieee80211_txrx_stypes {
@@ -2905,6 +2956,17 @@ struct wiphy_vendor_command {
* (including P2P GO) or 0 to indicate no such limit is advertised. The
* driver is allowed to advertise a theoretical limit that it can reach in
* some cases, but may not always reach.
+ *
+ * @max_num_csa_counters: Number of supported csa_counters in beacons
+ * and probe responses. This value should be set if the driver
+ * wishes to limit the number of csa counters. Default (0) means
+ * infinite.
+ * @max_adj_channel_rssi_comp: max offset of between the channel on which the
+ * frame was sent and the channel on which the frame was heard for which
+ * the reported rssi is still valid. If a driver is able to compensate the
+ * low rssi when a frame is heard on different channel, then it should set
+ * this variable to the maximal offset for which it can compensate.
+ * This value should be set in MHz.
*/
struct wiphy {
/* assign these fields before you register the wiphy */
@@ -3022,6 +3084,9 @@ struct wiphy {
u16 max_ap_assoc_sta;
+ u8 max_num_csa_counters;
+ u8 max_adj_channel_rssi_comp;
+
char priv[0] __aligned(NETDEV_ALIGN);
};
@@ -3194,6 +3259,7 @@ struct cfg80211_cached_keys;
* @ibss_dfs_possible: (private) IBSS may change to a DFS channel
* @event_list: (private) list for internal event processing
* @event_lock: (private) lock for event list
+ * @owner_nlportid: (private) owner socket port ID
*/
struct wireless_dev {
struct wiphy *wiphy;
@@ -3241,13 +3307,15 @@ struct wireless_dev {
unsigned long cac_start_time;
unsigned int cac_time_ms;
+ u32 owner_nlportid;
+
#ifdef CONFIG_CFG80211_WEXT
/* wext data */
struct {
struct cfg80211_ibss_params ibss;
struct cfg80211_connect_params connect;
struct cfg80211_cached_keys *keys;
- u8 *ie;
+ const u8 *ie;
size_t ie_len;
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
@@ -3488,7 +3556,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
* Return: 0 on success, or a negative error code.
*/
int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
- enum nl80211_iftype iftype, u8 *bssid, bool qos);
+ enum nl80211_iftype iftype, const u8 *bssid,
+ bool qos);
/**
* ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
@@ -3600,7 +3669,7 @@ 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.
* Drivers using this for a wiphy should also set the wiphy flag
- * WIPHY_FLAG_CUSTOM_REGULATORY or cfg80211 will set it for the wiphy
+ * REGULATORY_CUSTOM_REG or cfg80211 will set it for the wiphy
* that called this helper.
*/
void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
@@ -3669,6 +3738,18 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
/**
+ * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
+ *
+ * @wiphy: the wiphy on which the scheduled scan stopped
+ *
+ * The driver can call this function to inform cfg80211 that the
+ * scheduled scan had to be stopped, for whatever reason. The driver
+ * is then called back via the sched_scan_stop operation when done.
+ * This function should be called with rtnl locked.
+ */
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
+
+/**
* cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*
* @wiphy: the wiphy reporting the BSS
@@ -4277,7 +4358,7 @@ void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss,
* and not try to connect to any AP any more.
*/
void cfg80211_disconnected(struct net_device *dev, u16 reason,
- u8 *ie, size_t ie_len, gfp_t gfp);
+ const u8 *ie, size_t ie_len, gfp_t gfp);
/**
* cfg80211_ready_on_channel - notification of remain_on_channel start
@@ -4531,12 +4612,14 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
* cfg80211_reg_can_beacon - check if beaconing is allowed
* @wiphy: the wiphy
* @chandef: the channel definition
+ * @iftype: interface type
*
* Return: %true if there is no secondary channel or the secondary channel(s)
* can be used for beaconing (i.e. is not a radar channel etc.)
*/
bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
- struct cfg80211_chan_def *chandef);
+ struct cfg80211_chan_def *chandef,
+ enum nl80211_iftype iftype);
/*
* cfg80211_ch_switch_notify - update wdev channel and notify userspace
@@ -4682,6 +4765,84 @@ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp);
*/
unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy);
+/**
+ * cfg80211_check_combinations - check interface combinations
+ *
+ * @wiphy: the wiphy
+ * @num_different_channels: the number of different channels we want
+ * to use for verification
+ * @radar_detect: a bitmap where each bit corresponds to a channel
+ * width where radar detection is needed, as in the definition of
+ * &struct ieee80211_iface_combination.@radar_detect_widths
+ * @iftype_num: array with the numbers of interfaces of each interface
+ * type. The index is the interface type as specified in &enum
+ * nl80211_iftype.
+ *
+ * This function can be called by the driver to check whether a
+ * combination of interfaces and their types are allowed according to
+ * the interface combinations.
+ */
+int cfg80211_check_combinations(struct wiphy *wiphy,
+ const int num_different_channels,
+ const u8 radar_detect,
+ const int iftype_num[NUM_NL80211_IFTYPES]);
+
+/**
+ * cfg80211_iter_combinations - iterate over matching combinations
+ *
+ * @wiphy: the wiphy
+ * @num_different_channels: the number of different channels we want
+ * to use for verification
+ * @radar_detect: a bitmap where each bit corresponds to a channel
+ * width where radar detection is needed, as in the definition of
+ * &struct ieee80211_iface_combination.@radar_detect_widths
+ * @iftype_num: array with the numbers of interfaces of each interface
+ * type. The index is the interface type as specified in &enum
+ * nl80211_iftype.
+ * @iter: function to call for each matching combination
+ * @data: pointer to pass to iter function
+ *
+ * This function can be called by the driver to check what possible
+ * combinations it fits in at a given moment, e.g. for channel switching
+ * purposes.
+ */
+int cfg80211_iter_combinations(struct wiphy *wiphy,
+ const int num_different_channels,
+ const u8 radar_detect,
+ const int iftype_num[NUM_NL80211_IFTYPES],
+ void (*iter)(const struct ieee80211_iface_combination *c,
+ void *data),
+ void *data);
+
+/*
+ * cfg80211_stop_iface - trigger interface disconnection
+ *
+ * @wiphy: the wiphy
+ * @wdev: wireless device
+ * @gfp: context flags
+ *
+ * Trigger interface to be stopped as if AP was stopped, IBSS/mesh left, STA
+ * disconnected.
+ *
+ * Note: This doesn't need any locks and is asynchronous.
+ */
+void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
+ gfp_t gfp);
+
+/**
+ * cfg80211_shutdown_all_interfaces - shut down all interfaces for a wiphy
+ * @wiphy: the wiphy to shut down
+ *
+ * This function shuts down all interfaces belonging to this wiphy by
+ * calling dev_close() (and treating non-netdev interfaces as needed).
+ * It shouldn't really be used unless there are some fatal device errors
+ * that really can't be recovered in any other way.
+ *
+ * Callers must hold the RTNL and be able to deal with callbacks into
+ * the driver while the function is running.
+ */
+void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy);
+
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-16 02:49:05 +0300