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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /net/mac80211/ieee80211_i.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
-rw-r--r--net/mac80211/ieee80211_i.h2559
1 files changed, 2559 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
new file mode 100644
index 000000000..d5dd2d9e8
--- /dev/null
+++ b/net/mac80211/ieee80211_i.h
@@ -0,0 +1,2559 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2015 Intel Mobile Communications GmbH
+ * Copyright (C) 2018-2022 Intel Corporation
+ */
+
+#ifndef IEEE80211_I_H
+#define IEEE80211_I_H
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/if_ether.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/workqueue.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/etherdevice.h>
+#include <linux/leds.h>
+#include <linux/idr.h>
+#include <linux/rhashtable.h>
+#include <linux/rbtree.h>
+#include <net/ieee80211_radiotap.h>
+#include <net/cfg80211.h>
+#include <net/mac80211.h>
+#include <net/fq.h>
+#include "key.h"
+#include "sta_info.h"
+#include "debug.h"
+
+extern const struct cfg80211_ops mac80211_config_ops;
+
+struct ieee80211_local;
+
+/* Maximum number of broadcast/multicast frames to buffer when some of the
+ * associated stations are using power saving. */
+#define AP_MAX_BC_BUFFER 128
+
+/* Maximum number of frames buffered to all STAs, including multicast frames.
+ * Note: increasing this limit increases the potential memory requirement. Each
+ * frame can be up to about 2 kB long. */
+#define TOTAL_MAX_TX_BUFFER 512
+
+/* Required encryption head and tailroom */
+#define IEEE80211_ENCRYPT_HEADROOM 8
+#define IEEE80211_ENCRYPT_TAILROOM 18
+
+/* power level hasn't been configured (or set to automatic) */
+#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
+
+/*
+ * Some APs experience problems when working with U-APSD. Decreasing the
+ * probability of that happening by using legacy mode for all ACs but VO isn't
+ * enough.
+ *
+ * Cisco 4410N originally forced us to enable VO by default only because it
+ * treated non-VO ACs as legacy.
+ *
+ * However some APs (notably Netgear R7000) silently reclassify packets to
+ * different ACs. Since u-APSD ACs require trigger frames for frame retrieval
+ * clients would never see some frames (e.g. ARP responses) or would fetch them
+ * accidentally after a long time.
+ *
+ * It makes little sense to enable u-APSD queues by default because it needs
+ * userspace applications to be aware of it to actually take advantage of the
+ * possible additional powersavings. Implicitly depending on driver autotrigger
+ * frame support doesn't make much sense.
+ */
+#define IEEE80211_DEFAULT_UAPSD_QUEUES 0
+
+#define IEEE80211_DEFAULT_MAX_SP_LEN \
+ IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
+
+extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS];
+
+#define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */)
+
+#define IEEE80211_MAX_NAN_INSTANCE_ID 255
+
+
+/*
+ * Keep a station's queues on the active list for deficit accounting purposes
+ * if it was active or queued during the last 100ms
+ */
+#define AIRTIME_ACTIVE_DURATION (HZ / 10)
+
+struct ieee80211_bss {
+ u32 device_ts_beacon, device_ts_presp;
+
+ bool wmm_used;
+ bool uapsd_supported;
+
+#define IEEE80211_MAX_SUPP_RATES 32
+ u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
+ size_t supp_rates_len;
+ struct ieee80211_rate *beacon_rate;
+
+ u32 vht_cap_info;
+
+ /*
+ * During association, we save an ERP value from a probe response so
+ * that we can feed ERP info to the driver when handling the
+ * association completes. these fields probably won't be up-to-date
+ * otherwise, you probably don't want to use them.
+ */
+ bool has_erp_value;
+ u8 erp_value;
+
+ /* Keep track of the corruption of the last beacon/probe response. */
+ u8 corrupt_data;
+
+ /* Keep track of what bits of information we have valid info for. */
+ u8 valid_data;
+};
+
+/**
+ * enum ieee80211_corrupt_data_flags - BSS data corruption flags
+ * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted
+ * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted
+ *
+ * These are bss flags that are attached to a bss in the
+ * @corrupt_data field of &struct ieee80211_bss.
+ */
+enum ieee80211_bss_corrupt_data_flags {
+ IEEE80211_BSS_CORRUPT_BEACON = BIT(0),
+ IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1)
+};
+
+/**
+ * enum ieee80211_valid_data_flags - BSS valid data flags
+ * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
+ * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
+ * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
+ *
+ * These are bss flags that are attached to a bss in the
+ * @valid_data field of &struct ieee80211_bss. They show which parts
+ * of the data structure were received as a result of an un-corrupted
+ * beacon/probe response.
+ */
+enum ieee80211_bss_valid_data_flags {
+ IEEE80211_BSS_VALID_WMM = BIT(1),
+ IEEE80211_BSS_VALID_RATES = BIT(2),
+ IEEE80211_BSS_VALID_ERP = BIT(3)
+};
+
+typedef unsigned __bitwise ieee80211_tx_result;
+#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
+#define TX_DROP ((__force ieee80211_tx_result) 1u)
+#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
+
+#define IEEE80211_TX_UNICAST BIT(1)
+#define IEEE80211_TX_PS_BUFFERED BIT(2)
+
+struct ieee80211_tx_data {
+ struct sk_buff *skb;
+ struct sk_buff_head skbs;
+ struct ieee80211_local *local;
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
+ struct ieee80211_key *key;
+ struct ieee80211_tx_rate rate;
+
+ unsigned int flags;
+};
+
+
+typedef unsigned __bitwise ieee80211_rx_result;
+#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
+#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
+#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
+#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
+
+/**
+ * enum ieee80211_packet_rx_flags - packet RX flags
+ * @IEEE80211_RX_AMSDU: a-MSDU packet
+ * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
+ * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
+ *
+ * These are per-frame flags that are attached to a frame in the
+ * @rx_flags field of &struct ieee80211_rx_status.
+ */
+enum ieee80211_packet_rx_flags {
+ IEEE80211_RX_AMSDU = BIT(3),
+ IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
+ IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
+};
+
+/**
+ * enum ieee80211_rx_flags - RX data flags
+ *
+ * @IEEE80211_RX_CMNTR: received on cooked monitor already
+ * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported
+ * to cfg80211_report_obss_beacon().
+ *
+ * These flags are used across handling multiple interfaces
+ * for a single frame.
+ */
+enum ieee80211_rx_flags {
+ IEEE80211_RX_CMNTR = BIT(0),
+ IEEE80211_RX_BEACON_REPORTED = BIT(1),
+};
+
+struct ieee80211_rx_data {
+ struct list_head *list;
+ struct sk_buff *skb;
+ struct ieee80211_local *local;
+ struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_link_data *link;
+ struct sta_info *sta;
+ struct link_sta_info *link_sta;
+ struct ieee80211_key *key;
+
+ unsigned int flags;
+
+ /*
+ * Index into sequence numbers array, 0..16
+ * since the last (16) is used for non-QoS,
+ * will be 16 on non-QoS frames.
+ */
+ int seqno_idx;
+
+ /*
+ * Index into the security IV/PN arrays, 0..16
+ * since the last (16) is used for CCMP-encrypted
+ * management frames, will be set to 16 on mgmt
+ * frames and 0 on non-QoS frames.
+ */
+ int security_idx;
+
+ int link_id;
+
+ union {
+ struct {
+ u32 iv32;
+ u16 iv16;
+ } tkip;
+ struct {
+ u8 pn[IEEE80211_CCMP_PN_LEN];
+ } ccm_gcm;
+ };
+};
+
+struct ieee80211_csa_settings {
+ const u16 *counter_offsets_beacon;
+ const u16 *counter_offsets_presp;
+
+ int n_counter_offsets_beacon;
+ int n_counter_offsets_presp;
+
+ u8 count;
+};
+
+struct ieee80211_color_change_settings {
+ u16 counter_offset_beacon;
+ u16 counter_offset_presp;
+ u8 count;
+};
+
+struct beacon_data {
+ u8 *head, *tail;
+ int head_len, tail_len;
+ struct ieee80211_meshconf_ie *meshconf;
+ u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
+ u8 cntdwn_current_counter;
+ struct cfg80211_mbssid_elems *mbssid_ies;
+ struct rcu_head rcu_head;
+};
+
+struct probe_resp {
+ struct rcu_head rcu_head;
+ int len;
+ u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM];
+ u8 data[];
+};
+
+struct fils_discovery_data {
+ struct rcu_head rcu_head;
+ int len;
+ u8 data[];
+};
+
+struct unsol_bcast_probe_resp_data {
+ struct rcu_head rcu_head;
+ int len;
+ u8 data[];
+};
+
+struct ps_data {
+ /* yes, this looks ugly, but guarantees that we can later use
+ * bitmap_empty :)
+ * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
+ u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]
+ __aligned(__alignof__(unsigned long));
+ struct sk_buff_head bc_buf;
+ atomic_t num_sta_ps; /* number of stations in PS mode */
+ int dtim_count;
+ bool dtim_bc_mc;
+};
+
+struct ieee80211_if_ap {
+ struct list_head vlans; /* write-protected with RTNL and local->mtx */
+
+ struct ps_data ps;
+ atomic_t num_mcast_sta; /* number of stations receiving multicast */
+
+ bool multicast_to_unicast;
+ bool active;
+};
+
+struct ieee80211_if_vlan {
+ struct list_head list; /* write-protected with RTNL and local->mtx */
+
+ /* used for all tx if the VLAN is configured to 4-addr mode */
+ struct sta_info __rcu *sta;
+ atomic_t num_mcast_sta; /* number of stations receiving multicast */
+};
+
+struct mesh_stats {
+ __u32 fwded_mcast; /* Mesh forwarded multicast frames */
+ __u32 fwded_unicast; /* Mesh forwarded unicast frames */
+ __u32 fwded_frames; /* Mesh total forwarded frames */
+ __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
+ __u32 dropped_frames_no_route; /* Not transmitted, no route found */
+ __u32 dropped_frames_congestion;/* Not forwarded due to congestion */
+};
+
+#define PREQ_Q_F_START 0x1
+#define PREQ_Q_F_REFRESH 0x2
+struct mesh_preq_queue {
+ struct list_head list;
+ u8 dst[ETH_ALEN];
+ u8 flags;
+};
+
+struct ieee80211_roc_work {
+ struct list_head list;
+
+ struct ieee80211_sub_if_data *sdata;
+
+ struct ieee80211_channel *chan;
+
+ bool started, abort, hw_begun, notified;
+ bool on_channel;
+
+ unsigned long start_time;
+
+ u32 duration, req_duration;
+ struct sk_buff *frame;
+ u64 cookie, mgmt_tx_cookie;
+ enum ieee80211_roc_type type;
+};
+
+/* flags used in struct ieee80211_if_managed.flags */
+enum ieee80211_sta_flags {
+ IEEE80211_STA_CONNECTION_POLL = BIT(1),
+ IEEE80211_STA_CONTROL_PORT = BIT(2),
+ IEEE80211_STA_MFP_ENABLED = BIT(6),
+ IEEE80211_STA_UAPSD_ENABLED = BIT(7),
+ IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
+ IEEE80211_STA_ENABLE_RRM = BIT(15),
+};
+
+typedef u32 __bitwise ieee80211_conn_flags_t;
+
+enum ieee80211_conn_flags {
+ IEEE80211_CONN_DISABLE_HT = (__force ieee80211_conn_flags_t)BIT(0),
+ IEEE80211_CONN_DISABLE_40MHZ = (__force ieee80211_conn_flags_t)BIT(1),
+ IEEE80211_CONN_DISABLE_VHT = (__force ieee80211_conn_flags_t)BIT(2),
+ IEEE80211_CONN_DISABLE_80P80MHZ = (__force ieee80211_conn_flags_t)BIT(3),
+ IEEE80211_CONN_DISABLE_160MHZ = (__force ieee80211_conn_flags_t)BIT(4),
+ IEEE80211_CONN_DISABLE_HE = (__force ieee80211_conn_flags_t)BIT(5),
+ IEEE80211_CONN_DISABLE_EHT = (__force ieee80211_conn_flags_t)BIT(6),
+ IEEE80211_CONN_DISABLE_320MHZ = (__force ieee80211_conn_flags_t)BIT(7),
+};
+
+struct ieee80211_mgd_auth_data {
+ struct cfg80211_bss *bss;
+ unsigned long timeout;
+ int tries;
+ u16 algorithm, expected_transaction;
+
+ u8 key[WLAN_KEY_LEN_WEP104];
+ u8 key_len, key_idx;
+ bool done, waiting;
+ bool peer_confirmed;
+ bool timeout_started;
+ int link_id;
+
+ u8 ap_addr[ETH_ALEN] __aligned(2);
+
+ u16 sae_trans, sae_status;
+ size_t data_len;
+ u8 data[];
+};
+
+struct ieee80211_mgd_assoc_data {
+ struct {
+ struct cfg80211_bss *bss;
+
+ u8 addr[ETH_ALEN] __aligned(2);
+
+ u8 ap_ht_param;
+
+ struct ieee80211_vht_cap ap_vht_cap;
+
+ size_t elems_len;
+ u8 *elems; /* pointing to inside ie[] below */
+
+ ieee80211_conn_flags_t conn_flags;
+ } link[IEEE80211_MLD_MAX_NUM_LINKS];
+
+ u8 ap_addr[ETH_ALEN] __aligned(2);
+
+ /* this is for a workaround, so we use it only for non-MLO */
+ const u8 *supp_rates;
+ u8 supp_rates_len;
+
+ unsigned long timeout;
+ int tries;
+
+ u8 prev_ap_addr[ETH_ALEN];
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len;
+ bool wmm, uapsd;
+ bool need_beacon;
+ bool synced;
+ bool timeout_started;
+ bool s1g;
+
+ unsigned int assoc_link_id;
+
+ u8 fils_nonces[2 * FILS_NONCE_LEN];
+ u8 fils_kek[FILS_MAX_KEK_LEN];
+ size_t fils_kek_len;
+
+ size_t ie_len;
+ u8 *ie_pos; /* used to fill ie[] with link[].elems */
+ u8 ie[];
+};
+
+struct ieee80211_sta_tx_tspec {
+ /* timestamp of the first packet in the time slice */
+ unsigned long time_slice_start;
+
+ u32 admitted_time; /* in usecs, unlike over the air */
+ u8 tsid;
+ s8 up; /* signed to be able to invalidate with -1 during teardown */
+
+ /* consumed TX time in microseconds in the time slice */
+ u32 consumed_tx_time;
+ enum {
+ TX_TSPEC_ACTION_NONE = 0,
+ TX_TSPEC_ACTION_DOWNGRADE,
+ TX_TSPEC_ACTION_STOP_DOWNGRADE,
+ } action;
+ bool downgraded;
+};
+
+DECLARE_EWMA(beacon_signal, 4, 4)
+
+struct ieee80211_if_managed {
+ struct timer_list timer;
+ struct timer_list conn_mon_timer;
+ struct timer_list bcn_mon_timer;
+ struct work_struct monitor_work;
+ struct work_struct beacon_connection_loss_work;
+ struct work_struct csa_connection_drop_work;
+
+ unsigned long beacon_timeout;
+ unsigned long probe_timeout;
+ int probe_send_count;
+ bool nullfunc_failed;
+ u8 connection_loss:1,
+ driver_disconnect:1,
+ reconnect:1,
+ associated:1;
+
+ struct ieee80211_mgd_auth_data *auth_data;
+ struct ieee80211_mgd_assoc_data *assoc_data;
+
+ bool powersave; /* powersave requested for this iface */
+ bool broken_ap; /* AP is broken -- turn off powersave */
+
+ unsigned int flags;
+
+ bool status_acked;
+ bool status_received;
+ __le16 status_fc;
+
+ enum {
+ IEEE80211_MFP_DISABLED,
+ IEEE80211_MFP_OPTIONAL,
+ IEEE80211_MFP_REQUIRED
+ } mfp; /* management frame protection */
+
+ /*
+ * Bitmask of enabled u-apsd queues,
+ * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
+ * to take effect.
+ */
+ unsigned int uapsd_queues;
+
+ /*
+ * Maximum number of buffered frames AP can deliver during a
+ * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
+ * Needs a new association to take effect.
+ */
+ unsigned int uapsd_max_sp_len;
+
+ u8 use_4addr;
+
+ /*
+ * State variables for keeping track of RSSI of the AP currently
+ * connected to and informing driver when RSSI has gone
+ * below/above a certain threshold.
+ */
+ int rssi_min_thold, rssi_max_thold;
+
+ struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
+ struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
+ struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */
+ struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */
+ struct ieee80211_s1g_cap s1g_capa; /* configured S1G overrides */
+ struct ieee80211_s1g_cap s1g_capa_mask; /* valid s1g_capa bits */
+
+ /* TDLS support */
+ u8 tdls_peer[ETH_ALEN] __aligned(2);
+ struct delayed_work tdls_peer_del_work;
+ struct sk_buff *orig_teardown_skb; /* The original teardown skb */
+ struct sk_buff *teardown_skb; /* A copy to send through the AP */
+ spinlock_t teardown_lock; /* To lock changing teardown_skb */
+ bool tdls_wider_bw_prohibited;
+
+ /* WMM-AC TSPEC support */
+ struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS];
+ /* Use a separate work struct so that we can do something here
+ * while the sdata->work is flushing the queues, for example.
+ * otherwise, in scenarios where we hardly get any traffic out
+ * on the BE queue, but there's a lot of VO traffic, we might
+ * get stuck in a downgraded situation and flush takes forever.
+ */
+ struct delayed_work tx_tspec_wk;
+
+ /* Information elements from the last transmitted (Re)Association
+ * Request frame.
+ */
+ u8 *assoc_req_ies;
+ size_t assoc_req_ies_len;
+};
+
+struct ieee80211_if_ibss {
+ struct timer_list timer;
+ struct work_struct csa_connection_drop_work;
+
+ unsigned long last_scan_completed;
+
+ u32 basic_rates;
+
+ bool fixed_bssid;
+ bool fixed_channel;
+ bool privacy;
+
+ bool control_port;
+ bool userspace_handles_dfs;
+
+ u8 bssid[ETH_ALEN] __aligned(2);
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len, ie_len;
+ u8 *ie;
+ struct cfg80211_chan_def chandef;
+
+ unsigned long ibss_join_req;
+ /* probe response/beacon for IBSS */
+ struct beacon_data __rcu *presp;
+
+ struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
+ struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
+
+ spinlock_t incomplete_lock;
+ struct list_head incomplete_stations;
+
+ enum {
+ IEEE80211_IBSS_MLME_SEARCH,
+ IEEE80211_IBSS_MLME_JOINED,
+ } state;
+};
+
+/**
+ * struct ieee80211_if_ocb - OCB mode state
+ *
+ * @housekeeping_timer: timer for periodic invocation of a housekeeping task
+ * @wrkq_flags: OCB deferred task action
+ * @incomplete_lock: delayed STA insertion lock
+ * @incomplete_stations: list of STAs waiting for delayed insertion
+ * @joined: indication if the interface is connected to an OCB network
+ */
+struct ieee80211_if_ocb {
+ struct timer_list housekeeping_timer;
+ unsigned long wrkq_flags;
+
+ spinlock_t incomplete_lock;
+ struct list_head incomplete_stations;
+
+ bool joined;
+};
+
+/**
+ * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface
+ *
+ * these declarations define the interface, which enables
+ * vendor-specific mesh synchronization
+ *
+ */
+struct ieee802_11_elems;
+struct ieee80211_mesh_sync_ops {
+ void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
+ struct ieee80211_rx_status *rx_status);
+
+ /* should be called with beacon_data under RCU read lock */
+ void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata,
+ struct beacon_data *beacon);
+ /* add other framework functions here */
+};
+
+struct mesh_csa_settings {
+ struct rcu_head rcu_head;
+ struct cfg80211_csa_settings settings;
+};
+
+/**
+ * struct mesh_table
+ *
+ * @known_gates: list of known mesh gates and their mpaths by the station. The
+ * gate's mpath may or may not be resolved and active.
+ * @gates_lock: protects updates to known_gates
+ * @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr
+ * @walk_head: linked list containing all mesh_path objects
+ * @walk_lock: lock protecting walk_head
+ * @entries: number of entries in the table
+ */
+struct mesh_table {
+ struct hlist_head known_gates;
+ spinlock_t gates_lock;
+ struct rhashtable rhead;
+ struct hlist_head walk_head;
+ spinlock_t walk_lock;
+ atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */
+};
+
+struct ieee80211_if_mesh {
+ struct timer_list housekeeping_timer;
+ struct timer_list mesh_path_timer;
+ struct timer_list mesh_path_root_timer;
+
+ unsigned long wrkq_flags;
+ unsigned long mbss_changed;
+
+ bool userspace_handles_dfs;
+
+ u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
+ size_t mesh_id_len;
+ /* Active Path Selection Protocol Identifier */
+ u8 mesh_pp_id;
+ /* Active Path Selection Metric Identifier */
+ u8 mesh_pm_id;
+ /* Congestion Control Mode Identifier */
+ u8 mesh_cc_id;
+ /* Synchronization Protocol Identifier */
+ u8 mesh_sp_id;
+ /* Authentication Protocol Identifier */
+ u8 mesh_auth_id;
+ /* Local mesh Sequence Number */
+ u32 sn;
+ /* Last used PREQ ID */
+ u32 preq_id;
+ atomic_t mpaths;
+ /* Timestamp of last SN update */
+ unsigned long last_sn_update;
+ /* Time when it's ok to send next PERR */
+ unsigned long next_perr;
+ /* Timestamp of last PREQ sent */
+ unsigned long last_preq;
+ struct mesh_rmc *rmc;
+ spinlock_t mesh_preq_queue_lock;
+ struct mesh_preq_queue preq_queue;
+ int preq_queue_len;
+ struct mesh_stats mshstats;
+ struct mesh_config mshcfg;
+ atomic_t estab_plinks;
+ u32 mesh_seqnum;
+ bool accepting_plinks;
+ int num_gates;
+ struct beacon_data __rcu *beacon;
+ const u8 *ie;
+ u8 ie_len;
+ enum {
+ IEEE80211_MESH_SEC_NONE = 0x0,
+ IEEE80211_MESH_SEC_AUTHED = 0x1,
+ IEEE80211_MESH_SEC_SECURED = 0x2,
+ } security;
+ bool user_mpm;
+ /* Extensible Synchronization Framework */
+ const struct ieee80211_mesh_sync_ops *sync_ops;
+ s64 sync_offset_clockdrift_max;
+ spinlock_t sync_offset_lock;
+ /* mesh power save */
+ enum nl80211_mesh_power_mode nonpeer_pm;
+ int ps_peers_light_sleep;
+ int ps_peers_deep_sleep;
+ struct ps_data ps;
+ /* Channel Switching Support */
+ struct mesh_csa_settings __rcu *csa;
+ enum {
+ IEEE80211_MESH_CSA_ROLE_NONE,
+ IEEE80211_MESH_CSA_ROLE_INIT,
+ IEEE80211_MESH_CSA_ROLE_REPEATER,
+ } csa_role;
+ u8 chsw_ttl;
+ u16 pre_value;
+
+ /* offset from skb->data while building IE */
+ int meshconf_offset;
+
+ struct mesh_table mesh_paths;
+ struct mesh_table mpp_paths; /* Store paths for MPP&MAP */
+ int mesh_paths_generation;
+ int mpp_paths_generation;
+};
+
+#ifdef CONFIG_MAC80211_MESH
+#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
+ do { (msh)->mshstats.name++; } while (0)
+#else
+#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
+ do { } while (0)
+#endif
+
+/**
+ * enum ieee80211_sub_if_data_flags - virtual interface flags
+ *
+ * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
+ * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
+ * associated stations and deliver multicast frames both
+ * back to wireless media and to the local net stack.
+ * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
+ * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
+ * @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart
+ * recovery
+ */
+enum ieee80211_sub_if_data_flags {
+ IEEE80211_SDATA_ALLMULTI = BIT(0),
+ IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
+ IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
+ IEEE80211_SDATA_IN_DRIVER = BIT(5),
+ IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6),
+};
+
+/**
+ * enum ieee80211_sdata_state_bits - virtual interface state bits
+ * @SDATA_STATE_RUNNING: virtual interface is up & running; this
+ * mirrors netif_running() but is separate for interface type
+ * change handling while the interface is up
+ * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
+ * mode, so queues are stopped
+ * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due
+ * to offchannel, reset when offchannel returns
+ */
+enum ieee80211_sdata_state_bits {
+ SDATA_STATE_RUNNING,
+ SDATA_STATE_OFFCHANNEL,
+ SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
+};
+
+/**
+ * enum ieee80211_chanctx_mode - channel context configuration mode
+ *
+ * @IEEE80211_CHANCTX_SHARED: channel context may be used by
+ * multiple interfaces
+ * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used
+ * only by a single interface. This can be used for example for
+ * non-fixed channel IBSS.
+ */
+enum ieee80211_chanctx_mode {
+ IEEE80211_CHANCTX_SHARED,
+ IEEE80211_CHANCTX_EXCLUSIVE
+};
+
+/**
+ * enum ieee80211_chanctx_replace_state - channel context replacement state
+ *
+ * This is used for channel context in-place reservations that require channel
+ * context switch/swap.
+ *
+ * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place
+ * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced
+ * by a (not yet registered) channel context pointed by %replace_ctx.
+ * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context
+ * replaces an existing channel context pointed to by %replace_ctx.
+ */
+enum ieee80211_chanctx_replace_state {
+ IEEE80211_CHANCTX_REPLACE_NONE,
+ IEEE80211_CHANCTX_WILL_BE_REPLACED,
+ IEEE80211_CHANCTX_REPLACES_OTHER,
+};
+
+struct ieee80211_chanctx {
+ struct list_head list;
+ struct rcu_head rcu_head;
+
+ struct list_head assigned_links;
+ struct list_head reserved_links;
+
+ enum ieee80211_chanctx_replace_state replace_state;
+ struct ieee80211_chanctx *replace_ctx;
+
+ enum ieee80211_chanctx_mode mode;
+ bool driver_present;
+
+ struct ieee80211_chanctx_conf conf;
+};
+
+struct mac80211_qos_map {
+ struct cfg80211_qos_map qos_map;
+ struct rcu_head rcu_head;
+};
+
+enum txq_info_flags {
+ IEEE80211_TXQ_STOP,
+ IEEE80211_TXQ_AMPDU,
+ IEEE80211_TXQ_NO_AMSDU,
+ IEEE80211_TXQ_DIRTY,
+};
+
+/**
+ * struct txq_info - per tid queue
+ *
+ * @tin: contains packets split into multiple flows
+ * @def_flow: used as a fallback flow when a packet destined to @tin hashes to
+ * a fq_flow which is already owned by a different tin
+ * @def_cvars: codel vars for @def_flow
+ * @frags: used to keep fragments created after dequeue
+ * @schedule_order: used with ieee80211_local->active_txqs
+ * @schedule_round: counter to prevent infinite loops on TXQ scheduling
+ */
+struct txq_info {
+ struct fq_tin tin;
+ struct codel_vars def_cvars;
+ struct codel_stats cstats;
+
+ u16 schedule_round;
+ struct list_head schedule_order;
+
+ struct sk_buff_head frags;
+
+ unsigned long flags;
+
+ /* keep last! */
+ struct ieee80211_txq txq;
+};
+
+struct ieee80211_if_mntr {
+ u32 flags;
+ u8 mu_follow_addr[ETH_ALEN] __aligned(2);
+
+ struct list_head list;
+};
+
+/**
+ * struct ieee80211_if_nan - NAN state
+ *
+ * @conf: current NAN configuration
+ * @func_ids: a bitmap of available instance_id's
+ */
+struct ieee80211_if_nan {
+ struct cfg80211_nan_conf conf;
+
+ /* protects function_inst_ids */
+ spinlock_t func_lock;
+ struct idr function_inst_ids;
+};
+
+struct ieee80211_link_data_managed {
+ u8 bssid[ETH_ALEN] __aligned(2);
+
+ u8 dtim_period;
+ enum ieee80211_smps_mode req_smps, /* requested smps mode */
+ driver_smps_mode; /* smps mode request */
+
+ ieee80211_conn_flags_t conn_flags;
+
+ s16 p2p_noa_index;
+
+ bool tdls_chan_switch_prohibited;
+
+ bool have_beacon;
+ bool tracking_signal_avg;
+ bool disable_wmm_tracking;
+ bool operating_11g_mode;
+
+ bool csa_waiting_bcn;
+ bool csa_ignored_same_chan;
+ struct timer_list chswitch_timer;
+ struct work_struct chswitch_work;
+
+ struct work_struct request_smps_work;
+ bool beacon_crc_valid;
+ u32 beacon_crc;
+ struct ewma_beacon_signal ave_beacon_signal;
+ int last_ave_beacon_signal;
+
+ /*
+ * Number of Beacon frames used in ave_beacon_signal. This can be used
+ * to avoid generating less reliable cqm events that would be based
+ * only on couple of received frames.
+ */
+ unsigned int count_beacon_signal;
+
+ /* Number of times beacon loss was invoked. */
+ unsigned int beacon_loss_count;
+
+ /*
+ * Last Beacon frame signal strength average (ave_beacon_signal / 16)
+ * that triggered a cqm event. 0 indicates that no event has been
+ * generated for the current association.
+ */
+ int last_cqm_event_signal;
+
+ int wmm_last_param_set;
+ int mu_edca_last_param_set;
+
+ struct cfg80211_bss *bss;
+};
+
+struct ieee80211_link_data_ap {
+ struct beacon_data __rcu *beacon;
+ struct probe_resp __rcu *probe_resp;
+ struct fils_discovery_data __rcu *fils_discovery;
+ struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp;
+
+ /* to be used after channel switch. */
+ struct cfg80211_beacon_data *next_beacon;
+};
+
+struct ieee80211_link_data {
+ struct ieee80211_sub_if_data *sdata;
+ unsigned int link_id;
+
+ struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */
+ struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */
+
+ /* multicast keys only */
+ struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS +
+ NUM_DEFAULT_MGMT_KEYS +
+ NUM_DEFAULT_BEACON_KEYS];
+ struct ieee80211_key __rcu *default_multicast_key;
+ struct ieee80211_key __rcu *default_mgmt_key;
+ struct ieee80211_key __rcu *default_beacon_key;
+
+ struct work_struct csa_finalize_work;
+ bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
+
+ bool operating_11g_mode;
+
+ struct cfg80211_chan_def csa_chandef;
+
+ struct work_struct color_change_finalize_work;
+ struct delayed_work color_collision_detect_work;
+ u64 color_bitmap;
+
+ /* context reservation -- protected with chanctx_mtx */
+ struct ieee80211_chanctx *reserved_chanctx;
+ struct cfg80211_chan_def reserved_chandef;
+ bool reserved_radar_required;
+ bool reserved_ready;
+
+ u8 needed_rx_chains;
+ enum ieee80211_smps_mode smps_mode;
+
+ int user_power_level; /* in dBm */
+ int ap_power_level; /* in dBm */
+
+ bool radar_required;
+ struct delayed_work dfs_cac_timer_work;
+
+ union {
+ struct ieee80211_link_data_managed mgd;
+ struct ieee80211_link_data_ap ap;
+ } u;
+
+ struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
+
+ struct ieee80211_bss_conf *conf;
+};
+
+struct ieee80211_sub_if_data {
+ struct list_head list;
+
+ struct wireless_dev wdev;
+
+ /* keys */
+ struct list_head key_list;
+
+ /* count for keys needing tailroom space allocation */
+ int crypto_tx_tailroom_needed_cnt;
+ int crypto_tx_tailroom_pending_dec;
+ struct delayed_work dec_tailroom_needed_wk;
+
+ struct net_device *dev;
+ struct ieee80211_local *local;
+
+ unsigned int flags;
+
+ unsigned long state;
+
+ char name[IFNAMSIZ];
+
+ struct ieee80211_fragment_cache frags;
+
+ /* TID bitmap for NoAck policy */
+ u16 noack_map;
+
+ /* bit field of ACM bits (BIT(802.1D tag)) */
+ u8 wmm_acm;
+
+ struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS];
+ struct ieee80211_key __rcu *default_unicast_key;
+
+ u16 sequence_number;
+ u16 mld_mcast_seq;
+ __be16 control_port_protocol;
+ bool control_port_no_encrypt;
+ bool control_port_no_preauth;
+ bool control_port_over_nl80211;
+
+ atomic_t num_tx_queued;
+ struct mac80211_qos_map __rcu *qos_map;
+
+ /* used to reconfigure hardware SM PS */
+ struct work_struct recalc_smps;
+
+ struct work_struct work;
+ struct sk_buff_head skb_queue;
+ struct sk_buff_head status_queue;
+
+ /*
+ * AP this belongs to: self in AP mode and
+ * corresponding AP in VLAN mode, NULL for
+ * all others (might be needed later in IBSS)
+ */
+ struct ieee80211_if_ap *bss;
+
+ /* bitmap of allowed (non-MCS) rate indexes for rate control */
+ u32 rc_rateidx_mask[NUM_NL80211_BANDS];
+
+ bool rc_has_mcs_mask[NUM_NL80211_BANDS];
+ u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN];
+
+ bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS];
+ u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX];
+
+ /* Beacon frame (non-MCS) rate (as a bitmap) */
+ u32 beacon_rateidx_mask[NUM_NL80211_BANDS];
+ bool beacon_rate_set;
+
+ union {
+ struct ieee80211_if_ap ap;
+ struct ieee80211_if_vlan vlan;
+ struct ieee80211_if_managed mgd;
+ struct ieee80211_if_ibss ibss;
+ struct ieee80211_if_mesh mesh;
+ struct ieee80211_if_ocb ocb;
+ struct ieee80211_if_mntr mntr;
+ struct ieee80211_if_nan nan;
+ } u;
+
+ struct ieee80211_link_data deflink;
+ struct ieee80211_link_data __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
+
+ /* for ieee80211_set_active_links_async() */
+ struct work_struct activate_links_work;
+ u16 desired_active_links;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct {
+ struct dentry *subdir_stations;
+ struct dentry *default_unicast_key;
+ struct dentry *default_multicast_key;
+ struct dentry *default_mgmt_key;
+ struct dentry *default_beacon_key;
+ } debugfs;
+#endif
+
+ /* must be last, dynamically sized area in this! */
+ struct ieee80211_vif vif;
+};
+
+static inline
+struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
+{
+ return container_of(p, struct ieee80211_sub_if_data, vif);
+}
+
+static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
+ __acquires(&sdata->wdev.mtx)
+{
+ mutex_lock(&sdata->wdev.mtx);
+ __acquire(&sdata->wdev.mtx);
+}
+
+static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
+ __releases(&sdata->wdev.mtx)
+{
+ mutex_unlock(&sdata->wdev.mtx);
+ __release(&sdata->wdev.mtx);
+}
+
+#define sdata_dereference(p, sdata) \
+ rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
+
+static inline void
+sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
+{
+ lockdep_assert_held(&sdata->wdev.mtx);
+}
+
+static inline int
+ieee80211_chanwidth_get_shift(enum nl80211_chan_width width)
+{
+ switch (width) {
+ case NL80211_CHAN_WIDTH_5:
+ return 2;
+ case NL80211_CHAN_WIDTH_10:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline int
+ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
+{
+ return ieee80211_chanwidth_get_shift(chandef->width);
+}
+
+static inline int
+ieee80211_vif_get_shift(struct ieee80211_vif *vif)
+{
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ int shift = 0;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf);
+ if (chanctx_conf)
+ shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
+ rcu_read_unlock();
+
+ return shift;
+}
+
+static inline int
+ieee80211_get_mbssid_beacon_len(struct cfg80211_mbssid_elems *elems)
+{
+ int i, len = 0;
+
+ if (!elems)
+ return 0;
+
+ for (i = 0; i < elems->cnt; i++)
+ len += elems->elem[i].len;
+
+ return len;
+}
+
+enum {
+ IEEE80211_RX_MSG = 1,
+ IEEE80211_TX_STATUS_MSG = 2,
+};
+
+enum queue_stop_reason {
+ IEEE80211_QUEUE_STOP_REASON_DRIVER,
+ IEEE80211_QUEUE_STOP_REASON_PS,
+ IEEE80211_QUEUE_STOP_REASON_CSA,
+ IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND,
+ IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
+ IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
+ IEEE80211_QUEUE_STOP_REASON_FLUSH,
+ IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
+ IEEE80211_QUEUE_STOP_REASON_RESERVE_TID,
+ IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE,
+
+ IEEE80211_QUEUE_STOP_REASONS,
+};
+
+#ifdef CONFIG_MAC80211_LEDS
+struct tpt_led_trigger {
+ char name[32];
+ const struct ieee80211_tpt_blink *blink_table;
+ unsigned int blink_table_len;
+ struct timer_list timer;
+ struct ieee80211_local *local;
+ unsigned long prev_traffic;
+ unsigned long tx_bytes, rx_bytes;
+ unsigned int active, want;
+ bool running;
+};
+#endif
+
+/**
+ * mac80211 scan flags - currently active scan mode
+ *
+ * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
+ * well be on the operating channel
+ * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
+ * determine if we are on the operating channel or not
+ * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating
+ * channel. This should not interrupt normal traffic.
+ * @SCAN_COMPLETED: Set for our scan work function when the driver reported
+ * that the scan completed.
+ * @SCAN_ABORTED: Set for our scan work function when the driver reported
+ * a scan complete for an aborted scan.
+ * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being
+ * cancelled.
+ * @SCAN_BEACON_WAIT: Set whenever we're passive scanning because of radar/no-IR
+ * and could send a probe request after receiving a beacon.
+ * @SCAN_BEACON_DONE: Beacon received, we can now send a probe request
+ */
+enum {
+ SCAN_SW_SCANNING,
+ SCAN_HW_SCANNING,
+ SCAN_ONCHANNEL_SCANNING,
+ SCAN_COMPLETED,
+ SCAN_ABORTED,
+ SCAN_HW_CANCELLED,
+ SCAN_BEACON_WAIT,
+ SCAN_BEACON_DONE,
+};
+
+/**
+ * enum mac80211_scan_state - scan state machine states
+ *
+ * @SCAN_DECISION: Main entry point to the scan state machine, this state
+ * determines if we should keep on scanning or switch back to the
+ * operating channel
+ * @SCAN_SET_CHANNEL: Set the next channel to be scanned
+ * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
+ * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
+ * send out data
+ * @SCAN_RESUME: Resume the scan and scan the next channel
+ * @SCAN_ABORT: Abort the scan and go back to operating channel
+ */
+enum mac80211_scan_state {
+ SCAN_DECISION,
+ SCAN_SET_CHANNEL,
+ SCAN_SEND_PROBE,
+ SCAN_SUSPEND,
+ SCAN_RESUME,
+ SCAN_ABORT,
+};
+
+DECLARE_STATIC_KEY_FALSE(aql_disable);
+
+struct ieee80211_local {
+ /* embed the driver visible part.
+ * don't cast (use the static inlines below), but we keep
+ * it first anyway so they become a no-op */
+ struct ieee80211_hw hw;
+
+ struct fq fq;
+ struct codel_vars *cvars;
+ struct codel_params cparams;
+
+ /* protects active_txqs and txqi->schedule_order */
+ spinlock_t active_txq_lock[IEEE80211_NUM_ACS];
+ struct list_head active_txqs[IEEE80211_NUM_ACS];
+ u16 schedule_round[IEEE80211_NUM_ACS];
+
+ u16 airtime_flags;
+ u32 aql_txq_limit_low[IEEE80211_NUM_ACS];
+ u32 aql_txq_limit_high[IEEE80211_NUM_ACS];
+ u32 aql_threshold;
+ atomic_t aql_total_pending_airtime;
+ atomic_t aql_ac_pending_airtime[IEEE80211_NUM_ACS];
+
+ const struct ieee80211_ops *ops;
+
+ /*
+ * private workqueue to mac80211. mac80211 makes this accessible
+ * via ieee80211_queue_work()
+ */
+ struct workqueue_struct *workqueue;
+
+ unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
+ int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS];
+ /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
+ spinlock_t queue_stop_reason_lock;
+
+ int open_count;
+ int monitors, cooked_mntrs;
+ /* number of interfaces with corresponding FIF_ flags */
+ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
+ fif_probe_req;
+ bool probe_req_reg;
+ bool rx_mcast_action_reg;
+ unsigned int filter_flags; /* FIF_* */
+
+ bool wiphy_ciphers_allocated;
+
+ bool use_chanctx;
+
+ /* protects the aggregated multicast list and filter calls */
+ spinlock_t filter_lock;
+
+ /* used for uploading changed mc list */
+ struct work_struct reconfig_filter;
+
+ /* aggregated multicast list */
+ struct netdev_hw_addr_list mc_list;
+
+ bool tim_in_locked_section; /* see ieee80211_beacon_get() */
+
+ /*
+ * suspended is true if we finished all the suspend _and_ we have
+ * not yet come up from resume. This is to be used by mac80211
+ * to ensure driver sanity during suspend and mac80211's own
+ * sanity. It can eventually be used for WoW as well.
+ */
+ bool suspended;
+
+ /* suspending is true during the whole suspend process */
+ bool suspending;
+
+ /*
+ * Resuming is true while suspended, but when we're reprogramming the
+ * hardware -- at that time it's allowed to use ieee80211_queue_work()
+ * again even though some other parts of the stack are still suspended
+ * and we still drop received frames to avoid waking the stack.
+ */
+ bool resuming;
+
+ /*
+ * quiescing is true during the suspend process _only_ to
+ * ease timer cancelling etc.
+ */
+ bool quiescing;
+
+ /* device is started */
+ bool started;
+
+ /* device is during a HW reconfig */
+ bool in_reconfig;
+
+ /* wowlan is enabled -- don't reconfig on resume */
+ bool wowlan;
+
+ struct wiphy_work radar_detected_work;
+
+ /* number of RX chains the hardware has */
+ u8 rx_chains;
+
+ /* bitmap of which sbands were copied */
+ u8 sband_allocated;
+
+ int tx_headroom; /* required headroom for hardware/radiotap */
+
+ /* Tasklet and skb queue to process calls from IRQ mode. All frames
+ * added to skb_queue will be processed, but frames in
+ * skb_queue_unreliable may be dropped if the total length of these
+ * queues increases over the limit. */
+#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
+ struct tasklet_struct tasklet;
+ struct sk_buff_head skb_queue;
+ struct sk_buff_head skb_queue_unreliable;
+
+ spinlock_t rx_path_lock;
+
+ /* Station data */
+ /*
+ * The mutex only protects the list, hash table and
+ * counter, reads are done with RCU.
+ */
+ struct mutex sta_mtx;
+ spinlock_t tim_lock;
+ unsigned long num_sta;
+ struct list_head sta_list;
+ struct rhltable sta_hash;
+ struct rhltable link_sta_hash;
+ struct timer_list sta_cleanup;
+ int sta_generation;
+
+ struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
+ struct tasklet_struct tx_pending_tasklet;
+ struct tasklet_struct wake_txqs_tasklet;
+
+ atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
+
+ /* number of interfaces with allmulti RX */
+ atomic_t iff_allmultis;
+
+ struct rate_control_ref *rate_ctrl;
+
+ struct arc4_ctx wep_tx_ctx;
+ struct arc4_ctx wep_rx_ctx;
+ u32 wep_iv;
+
+ /* see iface.c */
+ struct list_head interfaces;
+ struct list_head mon_list; /* only that are IFF_UP && !cooked */
+ struct mutex iflist_mtx;
+
+ /*
+ * Key mutex, protects sdata's key_list and sta_info's
+ * key pointers and ptk_idx (write access, they're RCU.)
+ */
+ struct mutex key_mtx;
+
+ /* mutex for scan and work locking */
+ struct mutex mtx;
+
+ /* Scanning and BSS list */
+ unsigned long scanning;
+ struct cfg80211_ssid scan_ssid;
+ struct cfg80211_scan_request *int_scan_req;
+ struct cfg80211_scan_request __rcu *scan_req;
+ struct ieee80211_scan_request *hw_scan_req;
+ struct cfg80211_chan_def scan_chandef;
+ enum nl80211_band hw_scan_band;
+ int scan_channel_idx;
+ int scan_ies_len;
+ int hw_scan_ies_bufsize;
+ struct cfg80211_scan_info scan_info;
+
+ struct wiphy_work sched_scan_stopped_work;
+ struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
+ struct cfg80211_sched_scan_request __rcu *sched_scan_req;
+ u8 scan_addr[ETH_ALEN];
+
+ unsigned long leave_oper_channel_time;
+ enum mac80211_scan_state next_scan_state;
+ struct wiphy_delayed_work scan_work;
+ struct ieee80211_sub_if_data __rcu *scan_sdata;
+ /* For backward compatibility only -- do not use */
+ struct cfg80211_chan_def _oper_chandef;
+
+ /* Temporary remain-on-channel for off-channel operations */
+ struct ieee80211_channel *tmp_channel;
+
+ /* channel contexts */
+ struct list_head chanctx_list;
+ struct mutex chanctx_mtx;
+
+#ifdef CONFIG_MAC80211_LEDS
+ struct led_trigger tx_led, rx_led, assoc_led, radio_led;
+ struct led_trigger tpt_led;
+ atomic_t tx_led_active, rx_led_active, assoc_led_active;
+ atomic_t radio_led_active, tpt_led_active;
+ struct tpt_led_trigger *tpt_led_trigger;
+#endif
+
+#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
+ /* SNMP counters */
+ /* dot11CountersTable */
+ u32 dot11TransmittedFragmentCount;
+ u32 dot11MulticastTransmittedFrameCount;
+ u32 dot11FailedCount;
+ u32 dot11RetryCount;
+ u32 dot11MultipleRetryCount;
+ u32 dot11FrameDuplicateCount;
+ u32 dot11ReceivedFragmentCount;
+ u32 dot11MulticastReceivedFrameCount;
+ u32 dot11TransmittedFrameCount;
+
+ /* TX/RX handler statistics */
+ unsigned int tx_handlers_drop;
+ unsigned int tx_handlers_queued;
+ unsigned int tx_handlers_drop_wep;
+ unsigned int tx_handlers_drop_not_assoc;
+ unsigned int tx_handlers_drop_unauth_port;
+ unsigned int rx_handlers_drop;
+ unsigned int rx_handlers_queued;
+ unsigned int rx_handlers_drop_nullfunc;
+ unsigned int rx_handlers_drop_defrag;
+ unsigned int tx_expand_skb_head;
+ unsigned int tx_expand_skb_head_cloned;
+ unsigned int rx_expand_skb_head_defrag;
+ unsigned int rx_handlers_fragments;
+ unsigned int tx_status_drop;
+#define I802_DEBUG_INC(c) (c)++
+#else /* CONFIG_MAC80211_DEBUG_COUNTERS */
+#define I802_DEBUG_INC(c) do { } while (0)
+#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
+
+
+ int total_ps_buffered; /* total number of all buffered unicast and
+ * multicast packets for power saving stations
+ */
+
+ bool pspolling;
+ /*
+ * PS can only be enabled when we have exactly one managed
+ * interface (and monitors) in PS, this then points there.
+ */
+ struct ieee80211_sub_if_data *ps_sdata;
+ struct work_struct dynamic_ps_enable_work;
+ struct work_struct dynamic_ps_disable_work;
+ struct timer_list dynamic_ps_timer;
+ struct notifier_block ifa_notifier;
+ struct notifier_block ifa6_notifier;
+
+ /*
+ * The dynamic ps timeout configured from user space via WEXT -
+ * this will override whatever chosen by mac80211 internally.
+ */
+ int dynamic_ps_forced_timeout;
+
+ int user_power_level; /* in dBm, for all interfaces */
+
+ enum ieee80211_smps_mode smps_mode;
+
+ struct work_struct restart_work;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct local_debugfsdentries {
+ struct dentry *rcdir;
+ struct dentry *keys;
+ } debugfs;
+ bool force_tx_status;
+#endif
+
+ /*
+ * Remain-on-channel support
+ */
+ struct wiphy_delayed_work roc_work;
+ struct list_head roc_list;
+ struct wiphy_work hw_roc_start, hw_roc_done;
+ unsigned long hw_roc_start_time;
+ u64 roc_cookie_counter;
+
+ struct idr ack_status_frames;
+ spinlock_t ack_status_lock;
+
+ struct ieee80211_sub_if_data __rcu *p2p_sdata;
+
+ /* virtual monitor interface */
+ struct ieee80211_sub_if_data __rcu *monitor_sdata;
+ struct cfg80211_chan_def monitor_chandef;
+
+ /* extended capabilities provided by mac80211 */
+ u8 ext_capa[8];
+};
+
+static inline struct ieee80211_sub_if_data *
+IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev)
+{
+ return netdev_priv(dev);
+}
+
+static inline struct ieee80211_sub_if_data *
+IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
+{
+ return container_of(wdev, struct ieee80211_sub_if_data, wdev);
+}
+
+static inline struct ieee80211_supported_band *
+ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ enum nl80211_band band;
+
+ WARN_ON(sdata->vif.valid_links);
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
+
+ if (!chanctx_conf) {
+ rcu_read_unlock();
+ return NULL;
+ }
+
+ band = chanctx_conf->def.chan->band;
+ rcu_read_unlock();
+
+ return local->hw.wiphy->bands[band];
+}
+
+static inline struct ieee80211_supported_band *
+ieee80211_get_link_sband(struct ieee80211_link_data *link)
+{
+ struct ieee80211_local *local = link->sdata->local;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ enum nl80211_band band;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
+ if (!chanctx_conf) {
+ rcu_read_unlock();
+ return NULL;
+ }
+
+ band = chanctx_conf->def.chan->band;
+ rcu_read_unlock();
+
+ return local->hw.wiphy->bands[band];
+}
+
+/* this struct holds the value parsing from channel switch IE */
+struct ieee80211_csa_ie {
+ struct cfg80211_chan_def chandef;
+ u8 mode;
+ u8 count;
+ u8 ttl;
+ u16 pre_value;
+ u16 reason_code;
+ u32 max_switch_time;
+};
+
+/* Parsed Information Elements */
+struct ieee802_11_elems {
+ const u8 *ie_start;
+ size_t total_len;
+ u32 crc;
+
+ /* pointers to IEs */
+ const struct ieee80211_tdls_lnkie *lnk_id;
+ const struct ieee80211_ch_switch_timing *ch_sw_timing;
+ const u8 *ext_capab;
+ const u8 *ssid;
+ const u8 *supp_rates;
+ const u8 *ds_params;
+ const struct ieee80211_tim_ie *tim;
+ const u8 *rsn;
+ const u8 *rsnx;
+ const u8 *erp_info;
+ const u8 *ext_supp_rates;
+ const u8 *wmm_info;
+ const u8 *wmm_param;
+ const struct ieee80211_ht_cap *ht_cap_elem;
+ const struct ieee80211_ht_operation *ht_operation;
+ const struct ieee80211_vht_cap *vht_cap_elem;
+ const struct ieee80211_vht_operation *vht_operation;
+ const struct ieee80211_meshconf_ie *mesh_config;
+ const u8 *he_cap;
+ const struct ieee80211_he_operation *he_operation;
+ const struct ieee80211_he_spr *he_spr;
+ const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
+ const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
+ const struct ieee80211_tx_pwr_env *tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT];
+ const u8 *uora_element;
+ const u8 *mesh_id;
+ const u8 *peering;
+ const __le16 *awake_window;
+ const u8 *preq;
+ const u8 *prep;
+ const u8 *perr;
+ const struct ieee80211_rann_ie *rann;
+ const struct ieee80211_channel_sw_ie *ch_switch_ie;
+ const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
+ const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+ const u8 *max_channel_switch_time;
+ const u8 *country_elem;
+ const u8 *pwr_constr_elem;
+ const u8 *cisco_dtpc_elem;
+ const struct ieee80211_timeout_interval_ie *timeout_int;
+ const u8 *opmode_notif;
+ const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
+ struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
+ const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
+ const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie;
+ const struct ieee80211_bssid_index *bssid_index;
+ u8 max_bssid_indicator;
+ u8 dtim_count;
+ u8 dtim_period;
+ const struct ieee80211_addba_ext_ie *addba_ext_ie;
+ const struct ieee80211_s1g_cap *s1g_capab;
+ const struct ieee80211_s1g_oper_ie *s1g_oper;
+ const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat;
+ const struct ieee80211_aid_response_ie *aid_resp;
+ const struct ieee80211_eht_cap_elem *eht_cap;
+ const struct ieee80211_eht_operation *eht_operation;
+ const struct ieee80211_multi_link_elem *multi_link;
+
+ /* length of them, respectively */
+ u8 ext_capab_len;
+ u8 ssid_len;
+ u8 supp_rates_len;
+ u8 tim_len;
+ u8 rsn_len;
+ u8 rsnx_len;
+ u8 ext_supp_rates_len;
+ u8 wmm_info_len;
+ u8 wmm_param_len;
+ u8 he_cap_len;
+ u8 mesh_id_len;
+ u8 peering_len;
+ u8 preq_len;
+ u8 prep_len;
+ u8 perr_len;
+ u8 country_elem_len;
+ u8 bssid_index_len;
+ u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT];
+ u8 tx_pwr_env_num;
+ u8 eht_cap_len;
+
+ /* whether a parse error occurred while retrieving these elements */
+ bool parse_error;
+
+ /*
+ * scratch buffer that can be used for various element parsing related
+ * tasks, e.g., element de-fragmentation etc.
+ */
+ size_t scratch_len;
+ u8 *scratch_pos;
+ u8 scratch[];
+};
+
+static inline struct ieee80211_local *hw_to_local(
+ struct ieee80211_hw *hw)
+{
+ return container_of(hw, struct ieee80211_local, hw);
+}
+
+static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq)
+{
+ return container_of(txq, struct txq_info, txq);
+}
+
+static inline bool txq_has_queue(struct ieee80211_txq *txq)
+{
+ struct txq_info *txqi = to_txq_info(txq);
+
+ return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets);
+}
+
+static inline bool
+ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
+{
+ WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
+ status->flag & RX_FLAG_MACTIME_END);
+ return !!(status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END |
+ RX_FLAG_MACTIME_PLCP_START));
+}
+
+void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata);
+void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata);
+
+/* This function returns the number of multicast stations connected to this
+ * interface. It returns -1 if that number is not tracked, that is for netdevs
+ * not in AP or AP_VLAN mode or when using 4addr.
+ */
+static inline int
+ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata)
+{
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
+ return atomic_read(&sdata->u.ap.num_mcast_sta);
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
+ return atomic_read(&sdata->u.vlan.num_mcast_sta);
+ return -1;
+}
+
+u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
+ struct ieee80211_rx_status *status,
+ unsigned int mpdu_len,
+ unsigned int mpdu_offset);
+int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
+void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
+void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
+ u64 changed);
+void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata,
+ u64 changed);
+void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_link_data *link,
+ u64 changed);
+void ieee80211_configure_filter(struct ieee80211_local *local);
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
+
+u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
+int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
+ u64 *cookie, gfp_t gfp);
+
+void ieee80211_check_fast_rx(struct sta_info *sta);
+void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
+void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata);
+void ieee80211_clear_fast_rx(struct sta_info *sta);
+
+bool ieee80211_is_our_addr(struct ieee80211_sub_if_data *sdata,
+ const u8 *addr, int *out_link_id);
+
+/* STA code */
+void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
+int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_auth_request *req);
+int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_assoc_request *req);
+int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_deauth_request *req);
+int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_disassoc_request *req);
+void ieee80211_send_pspoll(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata);
+void ieee80211_recalc_ps(struct ieee80211_local *local);
+void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
+int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
+void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
+void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
+ __le16 fc, bool acked);
+void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
+ u8 reason, bool tx);
+void ieee80211_mgd_setup_link(struct ieee80211_link_data *link);
+void ieee80211_mgd_stop_link(struct ieee80211_link_data *link);
+void ieee80211_mgd_set_link_qos_params(struct ieee80211_link_data *link);
+
+/* IBSS code */
+void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
+void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
+void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, const u8 *addr, u32 supp_rates);
+int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_ibss_params *params);
+int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
+void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
+void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_csa_settings *csa_settings);
+int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata);
+void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
+
+/* OCB code */
+void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata);
+void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, const u8 *addr, u32 supp_rates);
+void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata);
+int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
+ struct ocb_setup *setup);
+int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata);
+
+/* mesh code */
+void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
+void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_csa_settings *csa_settings);
+int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata);
+
+/* scan/BSS handling */
+void ieee80211_scan_work(struct wiphy *wiphy, struct wiphy_work *work);
+int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
+ const u8 *ssid, u8 ssid_len,
+ struct ieee80211_channel **channels,
+ unsigned int n_channels,
+ enum nl80211_bss_scan_width scan_width);
+int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_scan_request *req);
+void ieee80211_scan_cancel(struct ieee80211_local *local);
+void ieee80211_run_deferred_scan(struct ieee80211_local *local);
+void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
+
+void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
+struct ieee80211_bss *
+ieee80211_bss_info_update(struct ieee80211_local *local,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_mgmt *mgmt,
+ size_t len,
+ struct ieee80211_channel *channel);
+void ieee80211_rx_bss_put(struct ieee80211_local *local,
+ struct ieee80211_bss *bss);
+
+/* scheduled scan handling */
+int
+__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_sched_scan_request *req);
+int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_sched_scan_request *req);
+int ieee80211_request_sched_scan_stop(struct ieee80211_local *local);
+void ieee80211_sched_scan_end(struct ieee80211_local *local);
+void ieee80211_sched_scan_stopped_work(struct wiphy *wiphy,
+ struct wiphy_work *work);
+
+/* off-channel/mgmt-tx */
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
+void ieee80211_offchannel_return(struct ieee80211_local *local);
+void ieee80211_roc_setup(struct ieee80211_local *local);
+void ieee80211_start_next_roc(struct ieee80211_local *local);
+void ieee80211_roc_purge(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata);
+int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ unsigned int duration, u64 *cookie);
+int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie);
+int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie);
+int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie);
+
+/* channel switch handling */
+void ieee80211_csa_finalize_work(struct work_struct *work);
+int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_csa_settings *params);
+
+/* color change handling */
+void ieee80211_color_change_finalize_work(struct work_struct *work);
+void ieee80211_color_collision_detection_work(struct work_struct *work);
+
+/* interface handling */
+#define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
+ NETIF_F_HW_CSUM | NETIF_F_SG | \
+ NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE)
+#define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM)
+#define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \
+ MAC80211_SUPPORTED_FEATURES_RX)
+
+int ieee80211_iface_init(void);
+void ieee80211_iface_exit(void);
+int ieee80211_if_add(struct ieee80211_local *local, const char *name,
+ unsigned char name_assign_type,
+ struct wireless_dev **new_wdev, enum nl80211_iftype type,
+ struct vif_params *params);
+int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
+ enum nl80211_iftype type);
+void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
+void ieee80211_remove_interfaces(struct ieee80211_local *local);
+u32 ieee80211_idle_off(struct ieee80211_local *local);
+void ieee80211_recalc_idle(struct ieee80211_local *local);
+void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
+ const int offset);
+int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
+void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
+int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
+void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
+
+bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
+void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
+ bool update_bss);
+void ieee80211_recalc_offload(struct ieee80211_local *local);
+
+static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
+{
+ return test_bit(SDATA_STATE_RUNNING, &sdata->state);
+}
+
+/* link handling */
+void ieee80211_link_setup(struct ieee80211_link_data *link);
+void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
+ int link_id,
+ struct ieee80211_link_data *link,
+ struct ieee80211_bss_conf *link_conf);
+void ieee80211_link_stop(struct ieee80211_link_data *link);
+int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata,
+ u16 new_links);
+void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata);
+
+/* tx handling */
+void ieee80211_clear_tx_pending(struct ieee80211_local *local);
+void ieee80211_tx_pending(struct tasklet_struct *t);
+netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
+ struct net_device *dev);
+netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
+ struct net_device *dev);
+netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb,
+ struct net_device *dev);
+void __ieee80211_subif_start_xmit(struct sk_buff *skb,
+ struct net_device *dev,
+ u32 info_flags,
+ u32 ctrl_flags,
+ u64 *cookie);
+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
+ struct sk_buff_head *skbs);
+struct sk_buff *
+ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u32 info_flags);
+void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
+ int retry_count, int shift, bool send_to_cooked,
+ struct ieee80211_tx_status *status);
+
+void ieee80211_check_fast_xmit(struct sta_info *sta);
+void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
+void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
+void ieee80211_clear_fast_xmit(struct sta_info *sta);
+int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *buf, size_t len,
+ const u8 *dest, __be16 proto, bool unencrypted,
+ int link_id, u64 *cookie);
+int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *buf, size_t len);
+
+/* HT */
+void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_ht_cap *ht_cap);
+bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ const struct ieee80211_ht_cap *ht_cap_ie,
+ struct link_sta_info *link_sta);
+void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
+ const u8 *da, u16 tid,
+ u16 initiator, u16 reason_code);
+int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_smps_mode smps, const u8 *da,
+ const u8 *bssid);
+bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old,
+ enum ieee80211_smps_mode smps_mode_new);
+
+void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
+ u16 initiator, u16 reason, bool stop);
+void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
+ u16 initiator, u16 reason, bool stop);
+void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
+ u8 dialog_token, u16 timeout,
+ u16 start_seq_num, u16 ba_policy, u16 tid,
+ u16 buf_size, bool tx, bool auto_seq,
+ const struct ieee80211_addba_ext_ie *addbaext);
+void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
+ enum ieee80211_agg_stop_reason reason);
+void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct ieee80211_mgmt *mgmt, size_t len);
+void ieee80211_process_addba_resp(struct ieee80211_local *local,
+ struct sta_info *sta,
+ struct ieee80211_mgmt *mgmt,
+ size_t len);
+void ieee80211_process_addba_request(struct ieee80211_local *local,
+ struct sta_info *sta,
+ struct ieee80211_mgmt *mgmt,
+ size_t len);
+
+int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+ enum ieee80211_agg_stop_reason reason);
+int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+ enum ieee80211_agg_stop_reason reason);
+void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
+ struct tid_ampdu_tx *tid_tx);
+void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,
+ struct tid_ampdu_tx *tid_tx);
+void ieee80211_ba_session_work(struct work_struct *work);
+void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
+void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
+
+u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
+enum nl80211_smps_mode
+ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps);
+
+/* VHT */
+void
+ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ const struct ieee80211_vht_cap *vht_cap_ie,
+ const struct ieee80211_vht_cap *vht_cap_ie2,
+ struct link_sta_info *link_sta);
+enum ieee80211_sta_rx_bandwidth
+ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta);
+enum ieee80211_sta_rx_bandwidth
+ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta);
+void ieee80211_sta_set_rx_nss(struct link_sta_info *link_sta);
+enum ieee80211_sta_rx_bandwidth
+ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width);
+enum nl80211_chan_width
+ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta);
+void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_link_data *link,
+ struct ieee80211_mgmt *mgmt);
+u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
+ struct link_sta_info *sta,
+ u8 opmode, enum nl80211_band band);
+void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
+ struct link_sta_info *sta,
+ u8 opmode, enum nl80211_band band);
+void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_vht_cap *vht_cap);
+void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
+ u16 vht_mask[NL80211_VHT_NSS_MAX]);
+enum nl80211_chan_width
+ieee80211_sta_rx_bw_to_chan_width(struct link_sta_info *sta);
+
+/* HE */
+void
+ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ const u8 *he_cap_ie, u8 he_cap_len,
+ const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
+ struct link_sta_info *link_sta);
+void
+ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
+ const struct ieee80211_he_spr *he_spr_ie_elem);
+
+void
+ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
+ const struct ieee80211_he_operation *he_op_ie_elem);
+
+/* S1G */
+void ieee80211_s1g_sta_rate_init(struct sta_info *sta);
+bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb);
+void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+
+/* Spectrum management */
+void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len);
+/**
+ * ieee80211_parse_ch_switch_ie - parses channel switch IEs
+ * @sdata: the sdata of the interface which has received the frame
+ * @elems: parsed 802.11 elements received with the frame
+ * @current_band: indicates the current band
+ * @vht_cap_info: VHT capabilities of the transmitter
+ * @conn_flags: contains information about own capabilities and restrictions
+ * to decide which channel switch announcements can be accepted, using
+ * flags from &enum ieee80211_conn_flags.
+ * @bssid: the currently connected bssid (for reporting)
+ * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl.
+ All of them will be filled with if success only.
+ * Return: 0 on success, <0 on error and >0 if there is nothing to parse.
+ */
+int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *elems,
+ enum nl80211_band current_band,
+ u32 vht_cap_info,
+ ieee80211_conn_flags_t conn_flags, u8 *bssid,
+ struct ieee80211_csa_ie *csa_ie);
+
+/* Suspend/resume and hw reconfiguration */
+int ieee80211_reconfig(struct ieee80211_local *local);
+void ieee80211_stop_device(struct ieee80211_local *local);
+
+int __ieee80211_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan);
+
+static inline int __ieee80211_resume(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) &&
+ !test_bit(SCAN_COMPLETED, &local->scanning),
+ "%s: resume with hardware scan still in progress\n",
+ wiphy_name(hw->wiphy));
+
+ return ieee80211_reconfig(hw_to_local(hw));
+}
+
+/* utility functions/constants */
+extern const void *const mac80211_wiphy_privid; /* for wiphy privid */
+int ieee80211_frame_duration(enum nl80211_band band, size_t len,
+ int rate, int erp, int short_preamble,
+ int shift);
+void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_tx_queue_params *qparam,
+ int ac);
+void ieee80211_set_wmm_default(struct ieee80211_link_data *link,
+ bool bss_notify, bool enable_qos);
+void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta, struct sk_buff *skb);
+
+void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, int tid, int link_id,
+ enum nl80211_band band);
+
+/* sta_out needs to be checked for ERR_PTR() before using */
+int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct sta_info **sta_out);
+
+static inline void
+ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, int tid,
+ enum nl80211_band band)
+{
+ rcu_read_lock();
+ __ieee80211_tx_skb_tid_band(sdata, skb, tid, -1, band);
+ rcu_read_unlock();
+}
+
+void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, int tid, int link_id);
+
+static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */
+ ieee80211_tx_skb_tid(sdata, skb, 7, -1);
+}
+
+/**
+ * struct ieee80211_elems_parse_params - element parsing parameters
+ * @start: pointer to the elements
+ * @len: length of the elements
+ * @action: %true if the elements came from an action frame
+ * @filter: bitmap of element IDs to filter out while calculating
+ * the element CRC
+ * @crc: CRC starting value
+ * @bss: the BSS to parse this as, for multi-BSSID cases this can
+ * represent a non-transmitting BSS in which case the data
+ * for that non-transmitting BSS is returned
+ * @link_id: the link ID to parse elements for, if a STA profile
+ * is present in the multi-link element, or -1 to ignore
+ * @from_ap: frame is received from an AP (currently used only
+ * for EHT capabilities parsing)
+ */
+struct ieee80211_elems_parse_params {
+ const u8 *start;
+ size_t len;
+ bool action;
+ u64 filter;
+ u32 crc;
+ struct cfg80211_bss *bss;
+ int link_id;
+ bool from_ap;
+};
+
+struct ieee802_11_elems *
+ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params);
+
+static inline struct ieee802_11_elems *
+ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ u64 filter, u32 crc,
+ struct cfg80211_bss *bss)
+{
+ struct ieee80211_elems_parse_params params = {
+ .start = start,
+ .len = len,
+ .action = action,
+ .filter = filter,
+ .crc = crc,
+ .bss = bss,
+ .link_id = -1,
+ };
+
+ return ieee802_11_parse_elems_full(&params);
+}
+
+static inline struct ieee802_11_elems *
+ieee802_11_parse_elems(const u8 *start, size_t len, bool action,
+ struct cfg80211_bss *bss)
+{
+ return ieee802_11_parse_elems_crc(start, len, action, 0, 0, bss);
+}
+
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos);
+
+extern const int ieee802_1d_to_ac[8];
+
+static inline int ieee80211_ac_from_tid(int tid)
+{
+ return ieee802_1d_to_ac[tid & 7];
+}
+
+void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
+void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
+void ieee80211_dynamic_ps_timer(struct timer_list *t);
+void ieee80211_send_nullfunc(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ bool powersave);
+void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
+
+void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
+ unsigned long queues,
+ enum queue_stop_reason reason,
+ bool refcounted);
+void ieee80211_stop_vif_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ enum queue_stop_reason reason);
+void ieee80211_wake_vif_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ enum queue_stop_reason reason);
+void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
+ unsigned long queues,
+ enum queue_stop_reason reason,
+ bool refcounted);
+void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
+ enum queue_stop_reason reason,
+ bool refcounted);
+void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
+ enum queue_stop_reason reason,
+ bool refcounted);
+void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
+void ieee80211_add_pending_skb(struct ieee80211_local *local,
+ struct sk_buff *skb);
+void ieee80211_add_pending_skbs(struct ieee80211_local *local,
+ struct sk_buff_head *skbs);
+void ieee80211_flush_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata, bool drop);
+void __ieee80211_flush_queues(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ unsigned int queues, bool drop);
+
+static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
+{
+ /*
+ * It's unsafe to try to do any work during reconfigure flow.
+ * When the flow ends the work will be requeued.
+ */
+ if (local->in_reconfig)
+ return false;
+
+ /*
+ * If quiescing is set, we are racing with __ieee80211_suspend.
+ * __ieee80211_suspend flushes the workers after setting quiescing,
+ * and we check quiescing / suspended before enqueing new workers.
+ * We should abort the worker to avoid the races below.
+ */
+ if (local->quiescing)
+ return false;
+
+ /*
+ * We might already be suspended if the following scenario occurs:
+ * __ieee80211_suspend Control path
+ *
+ * if (local->quiescing)
+ * return;
+ * local->quiescing = true;
+ * flush_workqueue();
+ * queue_work(...);
+ * local->suspended = true;
+ * local->quiescing = false;
+ * worker starts running...
+ */
+ if (local->suspended)
+ return false;
+
+ return true;
+}
+
+int ieee80211_txq_setup_flows(struct ieee80211_local *local);
+void ieee80211_txq_set_params(struct ieee80211_local *local);
+void ieee80211_txq_teardown_flows(struct ieee80211_local *local);
+void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct txq_info *txq, int tid);
+void ieee80211_txq_purge(struct ieee80211_local *local,
+ struct txq_info *txqi);
+void ieee80211_txq_remove_vlan(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata);
+void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
+ struct txq_info *txqi);
+void ieee80211_wake_txqs(struct tasklet_struct *t);
+void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
+ u16 transaction, u16 auth_alg, u16 status,
+ const u8 *extra, size_t extra_len, const u8 *bssid,
+ const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
+ u32 tx_flags);
+void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
+ const u8 *da, const u8 *bssid,
+ u16 stype, u16 reason,
+ bool send_frame, u8 *frame_buf);
+
+enum {
+ IEEE80211_PROBE_FLAG_DIRECTED = BIT(0),
+ IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1),
+ IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2),
+};
+
+int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer,
+ size_t buffer_len,
+ struct ieee80211_scan_ies *ie_desc,
+ const u8 *ie, size_t ie_len,
+ u8 bands_used, u32 *rate_masks,
+ struct cfg80211_chan_def *chandef,
+ u32 flags);
+struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
+ const u8 *src, const u8 *dst,
+ u32 ratemask,
+ struct ieee80211_channel *chan,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len,
+ u32 flags);
+u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *elems,
+ enum nl80211_band band, u32 *basic_rates);
+int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_link_data *link,
+ enum ieee80211_smps_mode smps_mode);
+void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_link_data *link);
+void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata,
+ int link_id);
+
+size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
+u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
+ u16 cap);
+u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
+ const struct cfg80211_chan_def *chandef,
+ u16 prot_mode, bool rifs_mode);
+void ieee80211_ie_build_wide_bw_cs(u8 *pos,
+ const struct cfg80211_chan_def *chandef);
+u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
+ u32 cap);
+u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
+ const struct cfg80211_chan_def *chandef);
+u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
+u8 *ieee80211_ie_build_he_cap(ieee80211_conn_flags_t disable_flags, u8 *pos,
+ const struct ieee80211_sta_he_cap *he_cap,
+ u8 *end);
+void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_smps_mode smps_mode,
+ struct sk_buff *skb);
+u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef);
+int ieee80211_parse_bitrates(enum nl80211_chan_width width,
+ const struct ieee80211_supported_band *sband,
+ const u8 *srates, int srates_len, u32 *rates);
+int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, bool need_basic,
+ enum nl80211_band band);
+int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, bool need_basic,
+ enum nl80211_band band);
+u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
+void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_s1g_cap *caps,
+ struct sk_buff *skb);
+void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+
+/* channel management */
+bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
+ struct cfg80211_chan_def *chandef);
+bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
+ const struct ieee80211_vht_operation *oper,
+ const struct ieee80211_ht_operation *htop,
+ struct cfg80211_chan_def *chandef);
+void ieee80211_chandef_eht_oper(const struct ieee80211_eht_operation *eht_oper,
+ bool support_160, bool support_320,
+ struct cfg80211_chan_def *chandef);
+bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
+ const struct ieee80211_he_operation *he_oper,
+ const struct ieee80211_eht_operation *eht_oper,
+ struct cfg80211_chan_def *chandef);
+bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper,
+ struct cfg80211_chan_def *chandef);
+ieee80211_conn_flags_t ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
+
+int __must_check
+ieee80211_link_use_channel(struct ieee80211_link_data *link,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode mode);
+int __must_check
+ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode mode,
+ bool radar_required);
+int __must_check
+ieee80211_link_use_reserved_context(struct ieee80211_link_data *link);
+int ieee80211_link_unreserve_chanctx(struct ieee80211_link_data *link);
+
+int __must_check
+ieee80211_link_change_bandwidth(struct ieee80211_link_data *link,
+ const struct cfg80211_chan_def *chandef,
+ u32 *changed);
+void ieee80211_link_release_channel(struct ieee80211_link_data *link);
+void ieee80211_link_vlan_copy_chanctx(struct ieee80211_link_data *link);
+void ieee80211_link_copy_chanctx_to_vlans(struct ieee80211_link_data *link,
+ bool clear);
+int ieee80211_chanctx_refcount(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx);
+
+void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
+ struct ieee80211_chanctx *chanctx);
+void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx,
+ struct ieee80211_link_data *rsvd_for);
+bool ieee80211_is_radar_required(struct ieee80211_local *local);
+
+void ieee80211_dfs_cac_timer(unsigned long data);
+void ieee80211_dfs_cac_timer_work(struct work_struct *work);
+void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
+void ieee80211_dfs_radar_detected_work(struct wiphy *wiphy,
+ struct wiphy_work *work);
+int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_csa_settings *csa_settings);
+
+void ieee80211_recalc_dtim(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata);
+int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode chanmode,
+ u8 radar_detect);
+int ieee80211_max_num_channels(struct ieee80211_local *local);
+void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx);
+
+/* TDLS */
+int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *peer, u8 action_code, u8 dialog_token,
+ u16 status_code, u32 peer_capability,
+ bool initiator, const u8 *extra_ies,
+ size_t extra_ies_len);
+int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *peer, enum nl80211_tdls_operation oper);
+void ieee80211_tdls_peer_del_work(struct work_struct *wk);
+int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
+ const u8 *addr, u8 oper_class,
+ struct cfg80211_chan_def *chandef);
+void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
+ struct net_device *dev,
+ const u8 *addr);
+void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+ const u8 *peer, u16 reason);
+void
+ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+
+
+const char *ieee80211_get_reason_code_string(u16 reason_code);
+u16 ieee80211_encode_usf(int val);
+u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
+ enum nl80211_iftype type);
+
+extern const struct ethtool_ops ieee80211_ethtool_ops;
+
+u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *pubsta,
+ int len, bool ampdu);
+#ifdef CONFIG_MAC80211_NOINLINE
+#define debug_noinline noinline
+#else
+#define debug_noinline
+#endif
+
+void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache);
+void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache);
+
+u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
+u8 *ieee80211_ie_build_eht_cap(u8 *pos,
+ const struct ieee80211_sta_he_cap *he_cap,
+ const struct ieee80211_sta_eht_cap *eht_cap,
+ u8 *end,
+ bool for_ap);
+
+void
+ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ const u8 *he_cap_ie, u8 he_cap_len,
+ const struct ieee80211_eht_cap_elem *eht_cap_ie_elem,
+ u8 eht_cap_len,
+ struct link_sta_info *link_sta);
+#endif /* IEEE80211_I_H */