1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 6d98ad83eSJohannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH 7f0706e82SJiri Benc * 8f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 9f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 10f0706e82SJiri Benc * published by the Free Software Foundation. 11f0706e82SJiri Benc */ 12f0706e82SJiri Benc 13f0706e82SJiri Benc #ifndef IEEE80211_I_H 14f0706e82SJiri Benc #define IEEE80211_I_H 15f0706e82SJiri Benc 16f0706e82SJiri Benc #include <linux/kernel.h> 17f0706e82SJiri Benc #include <linux/device.h> 18f0706e82SJiri Benc #include <linux/if_ether.h> 19f0706e82SJiri Benc #include <linux/interrupt.h> 20f0706e82SJiri Benc #include <linux/list.h> 21f0706e82SJiri Benc #include <linux/netdevice.h> 22f0706e82SJiri Benc #include <linux/skbuff.h> 23f0706e82SJiri Benc #include <linux/workqueue.h> 24f0706e82SJiri Benc #include <linux/types.h> 25f0706e82SJiri Benc #include <linux/spinlock.h> 26571ecf67SJohannes Berg #include <linux/etherdevice.h> 27e1e54068SJohannes Berg #include <linux/leds.h> 28a729cff8SJohannes Berg #include <linux/idr.h> 297bedd0cfSJohannes Berg #include <linux/rhashtable.h> 30fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 3193da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3251cb6db0SDavid S. Miller #include <net/mac80211.h> 332c8dccc7SJohannes Berg #include "key.h" 34f0706e82SJiri Benc #include "sta_info.h" 35bdcbd8e0SJohannes Berg #include "debug.h" 36f0706e82SJiri Benc 373beea351SJohannes Berg extern const struct cfg80211_ops mac80211_config_ops; 383beea351SJohannes Berg 399cfb0009SJohannes Berg struct ieee80211_local; 40f0706e82SJiri Benc 41f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 42f0706e82SJiri Benc * associated stations are using power saving. */ 43f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 44f0706e82SJiri Benc 45f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 46f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 47f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 48f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 49f0706e82SJiri Benc 50f0706e82SJiri Benc /* Required encryption head and tailroom */ 51f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 52765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 53f0706e82SJiri Benc 54f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 55f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 56f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 57f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 58f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 59f0706e82SJiri Benc 601ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 611ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 621ea6f9c0SJohannes Berg 63d6a4ed6fSArik Nemtsov /* 64aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 65aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 66aa75ebc2SMichal Kazior * enough. 67aa75ebc2SMichal Kazior * 68aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 69aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 70aa75ebc2SMichal Kazior * 71aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 72aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 73aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 74aa75ebc2SMichal Kazior * accidentally after a long time. 75aa75ebc2SMichal Kazior * 76aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 77aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 78aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 79aa75ebc2SMichal Kazior * frame support doesn't make much sense. 80d6a4ed6fSArik Nemtsov */ 81aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 82ab13315aSKalle Valo 83ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 84ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 85ab13315aSKalle Valo 866ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 876ae16775SAntonio Quartulli 88f0706e82SJiri Benc struct ieee80211_fragment_entry { 89f0706e82SJiri Benc struct sk_buff_head skb_list; 9069f13223SJohannes Berg unsigned long first_frag_time; 9169f13223SJohannes Berg u16 seq; 9269f13223SJohannes Berg u16 extra_len; 9369f13223SJohannes Berg u16 last_frag; 9469f13223SJohannes Berg u8 rx_queue; 9569f13223SJohannes Berg bool ccmp; /* Whether fragments were encrypted with CCMP */ 96f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 97f0706e82SJiri Benc }; 98f0706e82SJiri Benc 99f0706e82SJiri Benc 100c2b13452SJohannes Berg struct ieee80211_bss { 101ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 1028c358bcdSJohannes Berg 10343ac2ca3SJouni Malinen bool wmm_used; 104ab13315aSKalle Valo bool uapsd_supported; 10500d3f14cSJohannes Berg 106f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 107f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 108f0706e82SJiri Benc size_t supp_rates_len; 109817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 110f0706e82SJiri Benc 11100d3f14cSJohannes Berg /* 11225985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1135628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1145628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11500d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11600d3f14cSJohannes Berg */ 11700d3f14cSJohannes Berg bool has_erp_value; 1185628221cSDaniel Drake u8 erp_value; 119fcff4f10SPaul Stewart 120fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 121fcff4f10SPaul Stewart u8 corrupt_data; 122fcff4f10SPaul Stewart 123fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 124fcff4f10SPaul Stewart u8 valid_data; 125fcff4f10SPaul Stewart }; 126fcff4f10SPaul Stewart 127fcff4f10SPaul Stewart /** 128fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 129fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 130fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 131fcff4f10SPaul Stewart * 132fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 133fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 134fcff4f10SPaul Stewart */ 135fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 136fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 137fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 138fcff4f10SPaul Stewart }; 139fcff4f10SPaul Stewart 140fcff4f10SPaul Stewart /** 141fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 142fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 143fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 144fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 145fcff4f10SPaul Stewart * 146fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 147fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 148d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 149fcff4f10SPaul Stewart * beacon/probe response. 150fcff4f10SPaul Stewart */ 151fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 152fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 153fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 154fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 155f0706e82SJiri Benc }; 156f0706e82SJiri Benc 1579ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1589ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1599ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1609ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1619ae54c84SJohannes Berg 1625cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1635cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1649ae54c84SJohannes Berg 1655cf121c3SJohannes Berg struct ieee80211_tx_data { 166f0706e82SJiri Benc struct sk_buff *skb; 167252b86c4SJohannes Berg struct sk_buff_head skbs; 168f0706e82SJiri Benc struct ieee80211_local *local; 169f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 170f0706e82SJiri Benc struct sta_info *sta; 171f0706e82SJiri Benc struct ieee80211_key *key; 1720d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1735cf121c3SJohannes Berg 174056cdd59SJohannes Berg unsigned int flags; 1755cf121c3SJohannes Berg }; 1765cf121c3SJohannes Berg 1775cf121c3SJohannes Berg 1785cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1795cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1805cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1815cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1825cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1835cf121c3SJohannes Berg 184554891e6SJohannes Berg /** 185554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 186554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 187554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1884cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 189554891e6SJohannes Berg * 190554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 191554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 192554891e6SJohannes Berg */ 193554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 194554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 195554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1964cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 197554891e6SJohannes Berg }; 198554891e6SJohannes Berg 199554891e6SJohannes Berg /** 200554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 201554891e6SJohannes Berg * 202554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 203ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 204ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 205554891e6SJohannes Berg * 206554891e6SJohannes Berg * These flags are used across handling multiple interfaces 207554891e6SJohannes Berg * for a single frame. 208554891e6SJohannes Berg */ 209554891e6SJohannes Berg enum ieee80211_rx_flags { 210554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 211ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 212554891e6SJohannes Berg }; 2135cf121c3SJohannes Berg 2145cf121c3SJohannes Berg struct ieee80211_rx_data { 215af9f9b22SJohannes Berg struct napi_struct *napi; 2165cf121c3SJohannes Berg struct sk_buff *skb; 2175cf121c3SJohannes Berg struct ieee80211_local *local; 2185cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2195cf121c3SJohannes Berg struct sta_info *sta; 2205cf121c3SJohannes Berg struct ieee80211_key *key; 221056cdd59SJohannes Berg 222056cdd59SJohannes Berg unsigned int flags; 2239e26297aSJohannes Berg 2249e26297aSJohannes Berg /* 2259e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2269e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2279e26297aSJohannes Berg * will be 16 on non-QoS frames. 2289e26297aSJohannes Berg */ 2299e26297aSJohannes Berg int seqno_idx; 2309e26297aSJohannes Berg 2319e26297aSJohannes Berg /* 2329e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2339e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2349e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2359e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2369e26297aSJohannes Berg */ 2379e26297aSJohannes Berg int security_idx; 2389e26297aSJohannes Berg 23950741ae0SJohannes Berg u32 tkip_iv32; 24050741ae0SJohannes Berg u16 tkip_iv16; 241f0706e82SJiri Benc }; 242f0706e82SJiri Benc 243af296bdbSMichal Kazior struct ieee80211_csa_settings { 244af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 245af296bdbSMichal Kazior const u16 *counter_offsets_presp; 246af296bdbSMichal Kazior 247af296bdbSMichal Kazior int n_counter_offsets_beacon; 248af296bdbSMichal Kazior int n_counter_offsets_presp; 249af296bdbSMichal Kazior 250af296bdbSMichal Kazior u8 count; 251af296bdbSMichal Kazior }; 252af296bdbSMichal Kazior 2535dfdaf58SJohannes Berg struct beacon_data { 2545dfdaf58SJohannes Berg u8 *head, *tail; 2555dfdaf58SJohannes Berg int head_len, tail_len; 25643552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 257af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 258af296bdbSMichal Kazior u8 csa_current_counter; 2598860020eSJohannes Berg struct rcu_head rcu_head; 2605dfdaf58SJohannes Berg }; 2615dfdaf58SJohannes Berg 262aa7a0080SEyal Shapira struct probe_resp { 263aa7a0080SEyal Shapira struct rcu_head rcu_head; 264aa7a0080SEyal Shapira int len; 265af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 266aa7a0080SEyal Shapira u8 data[0]; 267aa7a0080SEyal Shapira }; 268aa7a0080SEyal Shapira 269d012a605SMarco Porsch struct ps_data { 270d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 271d012a605SMarco Porsch * bitmap_empty :) 272d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2735fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2745fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 275d012a605SMarco Porsch struct sk_buff_head bc_buf; 276d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 277d012a605SMarco Porsch int dtim_count; 278d012a605SMarco Porsch bool dtim_bc_mc; 279d012a605SMarco Porsch }; 280d012a605SMarco Porsch 281f0706e82SJiri Benc struct ieee80211_if_ap { 28240b275b6SJohannes Berg struct beacon_data __rcu *beacon; 283aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 284f0706e82SJiri Benc 28573da7d5bSSimon Wunderlich /* to be used after channel switch. */ 28673da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2874e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2880ec3ca44SJohannes Berg 289d012a605SMarco Porsch struct ps_data ps; 290030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 291687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 292687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 293687da132SEmmanuel Grumbach 294687da132SEmmanuel Grumbach struct work_struct request_smps_work; 295f0706e82SJiri Benc }; 296f0706e82SJiri Benc 297f0706e82SJiri Benc struct ieee80211_if_wds { 298f0706e82SJiri Benc struct sta_info *sta; 299056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 300f0706e82SJiri Benc }; 301f0706e82SJiri Benc 302f0706e82SJiri Benc struct ieee80211_if_vlan { 3034e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 304f14543eeSFelix Fietkau 305f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 30640b275b6SJohannes Berg struct sta_info __rcu *sta; 307f0706e82SJiri Benc }; 308f0706e82SJiri Benc 309ee385855SLuis Carlos Cobo struct mesh_stats { 310c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 311c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 312c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 313ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 314ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 315cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 316ee385855SLuis Carlos Cobo }; 317ee385855SLuis Carlos Cobo 318ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 319ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 320ee385855SLuis Carlos Cobo struct mesh_preq_queue { 321ee385855SLuis Carlos Cobo struct list_head list; 322ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 323ee385855SLuis Carlos Cobo u8 flags; 324ee385855SLuis Carlos Cobo }; 325ee385855SLuis Carlos Cobo 3262eb278e0SJohannes Berg struct ieee80211_roc_work { 32777fdaa12SJohannes Berg struct list_head list; 3282eb278e0SJohannes Berg struct list_head dependents; 329f679f65dSJohannes Berg 3302eb278e0SJohannes Berg struct delayed_work work; 331af6b6374SJohannes Berg 332af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 333af6b6374SJohannes Berg 334f679f65dSJohannes Berg struct ieee80211_channel *chan; 335af6b6374SJohannes Berg 3362eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 3373fbd45caSJohannes Berg bool to_be_freed; 338b4b177a5SJohannes Berg bool on_channel; 339f679f65dSJohannes Berg 3402eb278e0SJohannes Berg unsigned long hw_start_time; 341e4da8c37SJohannes Berg 3422eb278e0SJohannes Berg u32 duration, req_duration; 343f30221e4SJohannes Berg struct sk_buff *frame; 34450febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 345d339d5caSIlan Peer enum ieee80211_roc_type type; 34677fdaa12SJohannes Berg }; 34777fdaa12SJohannes Berg 34846900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 349ab1faeadSJohannes Berg enum ieee80211_sta_flags { 350b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 351b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 352a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 353b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 354ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 355375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35617e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 35724398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 358d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 359f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 360f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 361095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 362cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 363ab1faeadSJohannes Berg }; 364ab1faeadSJohannes Berg 36566e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 36666e67e41SJohannes Berg struct cfg80211_bss *bss; 36766e67e41SJohannes Berg unsigned long timeout; 36866e67e41SJohannes Berg int tries; 36966e67e41SJohannes Berg u16 algorithm, expected_transaction; 37066e67e41SJohannes Berg 37166e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37266e67e41SJohannes Berg u8 key_len, key_idx; 37366e67e41SJohannes Berg bool done; 37489afe614SJohannes Berg bool timeout_started; 37566e67e41SJohannes Berg 3766b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3776b8ece3aSJouni Malinen size_t data_len; 3786b8ece3aSJouni Malinen u8 data[]; 37966e67e41SJohannes Berg }; 38066e67e41SJohannes Berg 38166e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38266e67e41SJohannes Berg struct cfg80211_bss *bss; 38366e67e41SJohannes Berg const u8 *supp_rates; 38466e67e41SJohannes Berg 38566e67e41SJohannes Berg unsigned long timeout; 38666e67e41SJohannes Berg int tries; 38766e67e41SJohannes Berg 38866e67e41SJohannes Berg u16 capability; 38966e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39066e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39166e67e41SJohannes Berg u8 ssid_len; 39266e67e41SJohannes Berg u8 supp_rates_len; 39376f0303dSJohannes Berg bool wmm, uapsd; 394989c6505SAlexander Bondar bool need_beacon; 39566e67e41SJohannes Berg bool synced; 39689afe614SJohannes Berg bool timeout_started; 39766e67e41SJohannes Berg 3989dde6423SJohannes Berg u8 ap_ht_param; 3999dde6423SJohannes Berg 400b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 401b08fbbd8SJohannes Berg 40266e67e41SJohannes Berg size_t ie_len; 40366e67e41SJohannes Berg u8 ie[]; 40466e67e41SJohannes Berg }; 40566e67e41SJohannes Berg 40602219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 40702219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 40802219b3aSJohannes Berg unsigned long time_slice_start; 40902219b3aSJohannes Berg 41002219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 41102219b3aSJohannes Berg u8 tsid; 41202219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 41302219b3aSJohannes Berg 41402219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 41502219b3aSJohannes Berg u32 consumed_tx_time; 41602219b3aSJohannes Berg enum { 41702219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 41802219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 41902219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 42002219b3aSJohannes Berg } action; 42102219b3aSJohannes Berg bool downgraded; 42202219b3aSJohannes Berg }; 42302219b3aSJohannes Berg 424338c17aeSJohannes Berg DECLARE_EWMA(beacon_signal, 16, 4) 425338c17aeSJohannes Berg 42646900298SJohannes Berg struct ieee80211_if_managed { 427056cdd59SJohannes Berg struct timer_list timer; 428b291ba11SJohannes Berg struct timer_list conn_mon_timer; 429b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 430c481ec97SSujith struct timer_list chswitch_timer; 431b291ba11SJohannes Berg struct work_struct monitor_work; 432c481ec97SSujith struct work_struct chswitch_work; 4331e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 434882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 43546900298SJohannes Berg 4367ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 437b291ba11SJohannes Berg unsigned long probe_timeout; 438a43abf29SMaxim Levitsky int probe_send_count; 43904ac3c0eSFelix Fietkau bool nullfunc_failed; 440682bd38bSJohannes Berg bool connection_loss; 441b291ba11SJohannes Berg 4420c1ad2caSJohannes Berg struct cfg80211_bss *associated; 44366e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 44466e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 44546900298SJohannes Berg 44677fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 44746900298SJohannes Berg 448f0706e82SJiri Benc u16 aid; 449f0706e82SJiri Benc 450965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 45105cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 452989c6505SAlexander Bondar bool have_beacon; 453826262c3SJohannes Berg u8 dtim_period; 4540f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 455d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 456d1f5b7a3SJohannes Berg 457d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 458965bedadSJohannes Berg 459d6f2da5bSJiri Slaby unsigned int flags; 460f0706e82SJiri Benc 4610c21e632SLuciano Coelho bool csa_waiting_bcn; 462f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4630c21e632SLuciano Coelho 464d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 465d91f36dbSJohannes Berg u32 beacon_crc; 466d91f36dbSJohannes Berg 4671672c0e3SJohannes Berg bool status_acked; 4681672c0e3SJohannes Berg bool status_received; 4691672c0e3SJohannes Berg __le16 status_fc; 4701672c0e3SJohannes Berg 471fdfacf0aSJouni Malinen enum { 472fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 473fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 474fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 475fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 476fdfacf0aSJouni Malinen 477dc41e4d4SEliad Peller /* 478dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 479dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 480dc41e4d4SEliad Peller * to take effect. 481dc41e4d4SEliad Peller */ 482dc41e4d4SEliad Peller unsigned int uapsd_queues; 483dc41e4d4SEliad Peller 484dc41e4d4SEliad Peller /* 485dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 486dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 487dc41e4d4SEliad Peller * Needs a new association to take effect. 488dc41e4d4SEliad Peller */ 489dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 490dc41e4d4SEliad Peller 491f0706e82SJiri Benc int wmm_last_param_set; 4929bc383deSJohannes Berg 4939bc383deSJohannes Berg u8 use_4addr; 49417e4ec14SJouni Malinen 49567baf663SJanusz Dziedzic s16 p2p_noa_index; 496488dd7b5SJohannes Berg 497338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 49817e4ec14SJouni Malinen 49917e4ec14SJouni Malinen /* 500391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 501391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 502391a200aSJouni Malinen * only on couple of received frames. 503391a200aSJouni Malinen */ 504391a200aSJouni Malinen unsigned int count_beacon_signal; 505391a200aSJouni Malinen 506976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 507976bd9efSJohannes Berg unsigned int beacon_loss_count; 508976bd9efSJohannes Berg 509391a200aSJouni Malinen /* 51017e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 51117e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 51217e4ec14SJouni Malinen * generated for the current association. 51317e4ec14SJouni Malinen */ 51417e4ec14SJouni Malinen int last_cqm_event_signal; 515615f7b9bSMeenakshi Venkataraman 516615f7b9bSMeenakshi Venkataraman /* 517615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 518615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 519615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 520615f7b9bSMeenakshi Venkataraman */ 521615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 522615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 523ef96a842SBen Greear 524ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 525ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 526dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 527dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 52881dd2b88SArik Nemtsov 5291277b4a9SLiad Kaufman /* TDLS support */ 53081dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 53181dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5321277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5331277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5341277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5359041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 53682c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 53702219b3aSJohannes Berg 53802219b3aSJohannes Berg /* WMM-AC TSPEC support */ 53902219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 54002219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 54102219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 54202219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 54302219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 54402219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 54502219b3aSJohannes Berg */ 54602219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 547f0706e82SJiri Benc }; 548f0706e82SJiri Benc 54946900298SJohannes Berg struct ieee80211_if_ibss { 55046900298SJohannes Berg struct timer_list timer; 551cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 55246900298SJohannes Berg 553af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5545bb644a0SJohannes Berg 555fbd2c8dcSTeemu Paasikivi u32 basic_rates; 556fbd2c8dcSTeemu Paasikivi 557af8cdcd8SJohannes Berg bool fixed_bssid; 558af8cdcd8SJohannes Berg bool fixed_channel; 559fffd0934SJohannes Berg bool privacy; 56046900298SJohannes Berg 561267335d6SAntonio Quartulli bool control_port; 5628e8d347dSSimon Wunderlich bool userspace_handles_dfs; 563267335d6SAntonio Quartulli 5644d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 565af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 566af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 567af8cdcd8SJohannes Berg u8 *ie; 5683aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 56946900298SJohannes Berg 57046900298SJohannes Berg unsigned long ibss_join_req; 571af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 572c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 57346900298SJohannes Berg 574822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 575822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 576822854b0SSimon Wunderlich 5778bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5788bf11d8dSJohannes Berg struct list_head incomplete_stations; 5798bf11d8dSJohannes Berg 58046900298SJohannes Berg enum { 58146900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 58246900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 58346900298SJohannes Berg } state; 58446900298SJohannes Berg }; 58546900298SJohannes Berg 586dbf498fbSJavier Cardona /** 587239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 588239281f8SRostislav Lisovy * 589239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 590239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 591239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 592239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 593239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 594239281f8SRostislav Lisovy */ 595239281f8SRostislav Lisovy struct ieee80211_if_ocb { 596239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 597239281f8SRostislav Lisovy unsigned long wrkq_flags; 598239281f8SRostislav Lisovy 599239281f8SRostislav Lisovy spinlock_t incomplete_lock; 600239281f8SRostislav Lisovy struct list_head incomplete_stations; 601239281f8SRostislav Lisovy 602239281f8SRostislav Lisovy bool joined; 603239281f8SRostislav Lisovy }; 604239281f8SRostislav Lisovy 605239281f8SRostislav Lisovy /** 606dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 607dbf498fbSJavier Cardona * 608dbf498fbSJavier Cardona * these declarations define the interface, which enables 609dbf498fbSJavier Cardona * vendor-specific mesh synchronization 610dbf498fbSJavier Cardona * 611dbf498fbSJavier Cardona */ 612dbf498fbSJavier Cardona struct ieee802_11_elems; 613dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 614dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 615dbf498fbSJavier Cardona u16 stype, 616dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 617dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 618dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 61943552be1SThomas Pedersen 62043552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 62143552be1SThomas Pedersen void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata, 62243552be1SThomas Pedersen struct beacon_data *beacon); 623dbf498fbSJavier Cardona /* add other framework functions here */ 624dbf498fbSJavier Cardona }; 625dbf498fbSJavier Cardona 626b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 627b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 628b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 629b8456a14SChun-Yeow Yeoh }; 630b8456a14SChun-Yeow Yeoh 631472dbc45SJohannes Berg struct ieee80211_if_mesh { 632472dbc45SJohannes Berg struct timer_list housekeeping_timer; 633472dbc45SJohannes Berg struct timer_list mesh_path_timer; 634e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 635472dbc45SJohannes Berg 63618889231SJavier Cardona unsigned long wrkq_flags; 637f81a9dedSThomas Pedersen unsigned long mbss_changed; 638472dbc45SJohannes Berg 639472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 640472dbc45SJohannes Berg size_t mesh_id_len; 641472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6423491707aSRui Paulo u8 mesh_pp_id; 643472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6443491707aSRui Paulo u8 mesh_pm_id; 645472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6463491707aSRui Paulo u8 mesh_cc_id; 6479e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6483491707aSRui Paulo u8 mesh_sp_id; 6499e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6503491707aSRui Paulo u8 mesh_auth_id; 651d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 652d19b3bf6SRui Paulo u32 sn; 653472dbc45SJohannes Berg /* Last used PREQ ID */ 654472dbc45SJohannes Berg u32 preq_id; 655472dbc45SJohannes Berg atomic_t mpaths; 656d19b3bf6SRui Paulo /* Timestamp of last SN update */ 657d19b3bf6SRui Paulo unsigned long last_sn_update; 658dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 659dca7e943SThomas Pedersen unsigned long next_perr; 660dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 661472dbc45SJohannes Berg unsigned long last_preq; 662472dbc45SJohannes Berg struct mesh_rmc *rmc; 663472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 664472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 665472dbc45SJohannes Berg int preq_queue_len; 666472dbc45SJohannes Berg struct mesh_stats mshstats; 667472dbc45SJohannes Berg struct mesh_config mshcfg; 6681258d976SAshok Nagarajan atomic_t estab_plinks; 669472dbc45SJohannes Berg u32 mesh_seqnum; 670472dbc45SJohannes Berg bool accepting_plinks; 6715ee68e5bSJavier Cardona int num_gates; 6722b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 673581a8b0fSJavier Cardona const u8 *ie; 674581a8b0fSJavier Cardona u8 ie_len; 675b130e5ceSJavier Cardona enum { 676b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 677b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 678b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 679b130e5ceSJavier Cardona } security; 680a6dad6a2SThomas Pedersen bool user_mpm; 681dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6828ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 683dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 684dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 685dbf498fbSJavier Cardona bool adjusting_tbtt; 6863f52b7e3SMarco Porsch /* mesh power save */ 6873f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6883f52b7e3SMarco Porsch int ps_peers_light_sleep; 6893f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6903f52b7e3SMarco Porsch struct ps_data ps; 6918f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 692b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6930cb4d4dcSLuciano Coelho enum { 6940cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 6950cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 6960cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 6970cb4d4dcSLuciano Coelho } csa_role; 698b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 6998f2535b9SChun-Yeow Yeoh u16 pre_value; 70043552be1SThomas Pedersen 70143552be1SThomas Pedersen /* offset from skb->data while building IE */ 70243552be1SThomas Pedersen int meshconf_offset; 703472dbc45SJohannes Berg }; 704902acc78SJohannes Berg 705902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 706472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 707472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 708902acc78SJohannes Berg #else 709472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 710902acc78SJohannes Berg do { } while (0) 711902acc78SJohannes Berg #endif 712f0706e82SJiri Benc 713213cd118SJohannes Berg /** 714213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 715213cd118SJohannes Berg * 716213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 717213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 718213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 719213cd118SJohannes Berg * associated stations and deliver multicast frames both 720213cd118SJohannes Berg * back to wireless media and to the local net stack. 72195acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7227b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 723322cd406SSara Sharon * @IEEE80211_SDATA_MU_MIMO_OWNER: indicates interface owns MU-MIMO capability 724213cd118SJohannes Berg */ 725213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 726213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7277986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7287986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 72995acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7307b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 731322cd406SSara Sharon IEEE80211_SDATA_MU_MIMO_OWNER = BIT(6), 732213cd118SJohannes Berg }; 733213cd118SJohannes Berg 73434d4bc4dSJohannes Berg /** 73534d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 73634d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 73734d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 73834d4bc4dSJohannes Berg * change handling while the interface is up 7395b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7405b714c6aSJohannes Berg * mode, so queues are stopped 741d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 742d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 74334d4bc4dSJohannes Berg */ 74434d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 74534d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7465b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 747d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 74834d4bc4dSJohannes Berg }; 74934d4bc4dSJohannes Berg 750d01a1e65SMichal Kazior /** 751d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 752d01a1e65SMichal Kazior * 753d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 754d01a1e65SMichal Kazior * multiple interfaces 755d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 756d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 757d01a1e65SMichal Kazior * non-fixed channel IBSS. 758d01a1e65SMichal Kazior */ 759d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 760d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 761d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 762d01a1e65SMichal Kazior }; 763d01a1e65SMichal Kazior 7645bcae31dSMichal Kazior /** 7655bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7665bcae31dSMichal Kazior * 7675bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7685bcae31dSMichal Kazior * context switch/swap. 7695bcae31dSMichal Kazior * 7705bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7715bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7725bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7735bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7745bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7755bcae31dSMichal Kazior */ 7765bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7775bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7785bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7795bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7805bcae31dSMichal Kazior }; 7815bcae31dSMichal Kazior 782d01a1e65SMichal Kazior struct ieee80211_chanctx { 783d01a1e65SMichal Kazior struct list_head list; 784d01a1e65SMichal Kazior struct rcu_head rcu_head; 785d01a1e65SMichal Kazior 786484298adSMichal Kazior struct list_head assigned_vifs; 787e3afb920SMichal Kazior struct list_head reserved_vifs; 788484298adSMichal Kazior 7895bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 7905bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 7915bcae31dSMichal Kazior 792d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 7938a61af65SJohannes Berg bool driver_present; 794d01a1e65SMichal Kazior 795d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 796d01a1e65SMichal Kazior }; 797d01a1e65SMichal Kazior 79832db6b54SKyeyoon Park struct mac80211_qos_map { 79932db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 80032db6b54SKyeyoon Park struct rcu_head rcu_head; 80132db6b54SKyeyoon Park }; 80232db6b54SKyeyoon Park 803ba8c3d6fSFelix Fietkau enum txq_info_flags { 804ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 805ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 806ba8c3d6fSFelix Fietkau }; 807ba8c3d6fSFelix Fietkau 808ba8c3d6fSFelix Fietkau struct txq_info { 809ba8c3d6fSFelix Fietkau struct sk_buff_head queue; 810ba8c3d6fSFelix Fietkau unsigned long flags; 811ba8c3d6fSFelix Fietkau 812ba8c3d6fSFelix Fietkau /* keep last! */ 813ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 814ba8c3d6fSFelix Fietkau }; 815ba8c3d6fSFelix Fietkau 816f0706e82SJiri Benc struct ieee80211_sub_if_data { 817f0706e82SJiri Benc struct list_head list; 818f0706e82SJiri Benc 819f0706e82SJiri Benc struct wireless_dev wdev; 820f0706e82SJiri Benc 82111a843b7SJohannes Berg /* keys */ 82211a843b7SJohannes Berg struct list_head key_list; 82311a843b7SJohannes Berg 8243bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8253bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8268d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8278d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8283bff1865SYogesh Ashok Powar 829f0706e82SJiri Benc struct net_device *dev; 830f0706e82SJiri Benc struct ieee80211_local *local; 831f0706e82SJiri Benc 83213262ffdSJiri Slaby unsigned int flags; 8337e9ed188SDaniel Drake 83434d4bc4dSJohannes Berg unsigned long state; 83534d4bc4dSJohannes Berg 83647846c9bSJohannes Berg char name[IFNAMSIZ]; 83747846c9bSJohannes Berg 838f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 839f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 840f0706e82SJiri Benc unsigned int fragment_next; 841f0706e82SJiri Benc 842b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 843b53be792SSimon Wunderlich u16 noack_map; 844b53be792SSimon Wunderlich 84500e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 84600e96decSYoni Divinsky u8 wmm_acm; 84700e96decSYoni Divinsky 84840b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 84940b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 85040b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 85140b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 852f0706e82SJiri Benc 85394778280SJohannes Berg u16 sequence_number; 854a621fa4dSJohannes Berg __be16 control_port_protocol; 855a621fa4dSJohannes Berg bool control_port_no_encrypt; 8562475b1ccSMax Stepanov int encrypt_headroom; 85794778280SJohannes Berg 858ba8c3d6fSFelix Fietkau atomic_t txqs_len[IEEE80211_NUM_ACS]; 85954bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 86032db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 861f6f3def3SEliad Peller 86273da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 86359af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 86433787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 86573da7d5bSSimon Wunderlich 866484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 867e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 868484298adSMichal Kazior 86911335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 87011335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 87111335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 87209332481SMichal Kazior bool reserved_radar_required; 8735bcae31dSMichal Kazior bool reserved_ready; 87411335a55SLuciano Coelho 87504ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 87604ecd257SJohannes Berg struct work_struct recalc_smps; 87704ecd257SJohannes Berg 87864592c8fSJohannes Berg struct work_struct work; 87935f20c14SJohannes Berg struct sk_buff_head skb_queue; 88035f20c14SJohannes Berg 88104ecd257SJohannes Berg u8 needed_rx_chains; 88204ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 88304ecd257SJohannes Berg 8841ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 8851ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 8861ea6f9c0SJohannes Berg 887164eb02dSSimon Wunderlich bool radar_required; 888164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 889164eb02dSSimon Wunderlich 8903e122be0SJohannes Berg /* 8913e122be0SJohannes Berg * AP this belongs to: self in AP mode and 8923e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 8933e122be0SJohannes Berg * all others (might be needed later in IBSS) 8943e122be0SJohannes Berg */ 8953e122be0SJohannes Berg struct ieee80211_if_ap *bss; 8963e122be0SJohannes Berg 89737eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 89837eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 8992ffbe6d3SFelix Fietkau 9002ffbe6d3SFelix Fietkau bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; 90119468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 902f0706e82SJiri Benc 903b119ad6eSLorenzo Bianconi bool rc_has_vht_mcs_mask[IEEE80211_NUM_BANDS]; 904b119ad6eSLorenzo Bianconi u16 rc_rateidx_vht_mcs_mask[IEEE80211_NUM_BANDS][NL80211_VHT_NSS_MAX]; 905b119ad6eSLorenzo Bianconi 906f0706e82SJiri Benc union { 907f0706e82SJiri Benc struct ieee80211_if_ap ap; 908f0706e82SJiri Benc struct ieee80211_if_wds wds; 909f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 91046900298SJohannes Berg struct ieee80211_if_managed mgd; 91146900298SJohannes Berg struct ieee80211_if_ibss ibss; 912472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 913239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 9148cc9a739SMichael Wu u32 mntr_flags; 915f0706e82SJiri Benc } u; 916e9f207f0SJiri Benc 917e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 918e9f207f0SJiri Benc struct { 919295bafb4SBen Greear struct dentry *subdir_stations; 920f7e0104cSJohannes Berg struct dentry *default_unicast_key; 921f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9223cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 9237bcfaf2fSJohannes Berg } debugfs; 924e9f207f0SJiri Benc #endif 925529ba6e9SJohannes Berg 92632bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 92732bfd35dSJohannes Berg struct ieee80211_vif vif; 928f0706e82SJiri Benc }; 929f0706e82SJiri Benc 93032bfd35dSJohannes Berg static inline 93132bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 93232bfd35dSJohannes Berg { 93332bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 93432bfd35dSJohannes Berg } 93532bfd35dSJohannes Berg 9368d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 9378d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 9388d61ffa5SJohannes Berg { 9398d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 9408d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 9418d61ffa5SJohannes Berg } 9428d61ffa5SJohannes Berg 9438d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 9448d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 9458d61ffa5SJohannes Berg { 9468d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 9478d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 9488d61ffa5SJohannes Berg } 9498d61ffa5SJohannes Berg 9507ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 9517ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 9527ca133bcSSimon Wunderlich 9538d61ffa5SJohannes Berg static inline void 9548d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 9558d61ffa5SJohannes Berg { 9568d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 9578d61ffa5SJohannes Berg } 9588d61ffa5SJohannes Berg 95955de908aSJohannes Berg static inline enum ieee80211_band 96055de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 96155de908aSJohannes Berg { 96255de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 96355de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 96455de908aSJohannes Berg 96555de908aSJohannes Berg rcu_read_lock(); 96655de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 96755de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 9684bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 96955de908aSJohannes Berg rcu_read_unlock(); 97055de908aSJohannes Berg 97155de908aSJohannes Berg return band; 97255de908aSJohannes Berg } 97355de908aSJohannes Berg 974438b61b7SSimon Wunderlich static inline int 975438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 976438b61b7SSimon Wunderlich { 977438b61b7SSimon Wunderlich switch (chandef->width) { 978438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 979438b61b7SSimon Wunderlich return 2; 980438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 981438b61b7SSimon Wunderlich return 1; 982438b61b7SSimon Wunderlich default: 983438b61b7SSimon Wunderlich return 0; 984438b61b7SSimon Wunderlich } 985438b61b7SSimon Wunderlich } 986438b61b7SSimon Wunderlich 987438b61b7SSimon Wunderlich static inline int 988438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 989438b61b7SSimon Wunderlich { 990438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 991438b61b7SSimon Wunderlich int shift = 0; 992438b61b7SSimon Wunderlich 993438b61b7SSimon Wunderlich rcu_read_lock(); 994438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 995438b61b7SSimon Wunderlich if (chanctx_conf) 996438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 997438b61b7SSimon Wunderlich rcu_read_unlock(); 998438b61b7SSimon Wunderlich 999438b61b7SSimon Wunderlich return shift; 1000438b61b7SSimon Wunderlich } 1001438b61b7SSimon Wunderlich 100208cf42e8SMichal Kazior struct ieee80211_rx_agg { 100308cf42e8SMichal Kazior u8 addr[ETH_ALEN]; 100408cf42e8SMichal Kazior u16 tid; 100508cf42e8SMichal Kazior }; 100608cf42e8SMichal Kazior 1007c1475ca9SJohannes Berg enum sdata_queue_type { 1008c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 1009c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 1010c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 101108cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_START = 3, 101208cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4, 1013c1475ca9SJohannes Berg }; 1014c1475ca9SJohannes Berg 1015f0706e82SJiri Benc enum { 1016f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1017f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1018f0706e82SJiri Benc }; 1019f0706e82SJiri Benc 1020ce7c9111SKalle Valo enum queue_stop_reason { 1021ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1022520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 102396f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 102496f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 102525420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10268f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10276c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1028445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1029db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1030b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1031cca07b00SLuciano Coelho 1032cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1033ce7c9111SKalle Valo }; 1034ce7c9111SKalle Valo 103565a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1036e1e54068SJohannes Berg struct tpt_led_trigger { 1037e1e54068SJohannes Berg char name[32]; 1038e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1039e1e54068SJohannes Berg unsigned int blink_table_len; 1040e1e54068SJohannes Berg struct timer_list timer; 1041e1e54068SJohannes Berg unsigned long prev_traffic; 1042e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 104367408c8cSJohannes Berg unsigned int active, want; 104467408c8cSJohannes Berg bool running; 1045e1e54068SJohannes Berg }; 104665a6538aSLuciano Coelho #endif 1047e1e54068SJohannes Berg 1048142b9f50SHelmut Schaa /** 1049142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1050142b9f50SHelmut Schaa * 1051142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1052142b9f50SHelmut Schaa * well be on the operating channel 1053142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1054142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10558a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10568a690674SBen Greear * channel. This should not interrupt normal traffic. 10578789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10588789d459SJohannes Berg * that the scan completed. 10598789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10608789d459SJohannes Berg * a scan complete for an aborted scan. 1061a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1062a754055aSEmmanuel Grumbach * cancelled. 1063142b9f50SHelmut Schaa */ 1064fbe9c429SHelmut Schaa enum { 1065fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1066142b9f50SHelmut Schaa SCAN_HW_SCANNING, 10678a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 10688789d459SJohannes Berg SCAN_COMPLETED, 10698789d459SJohannes Berg SCAN_ABORTED, 1070a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1071142b9f50SHelmut Schaa }; 1072142b9f50SHelmut Schaa 1073142b9f50SHelmut Schaa /** 1074142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1075142b9f50SHelmut Schaa * 1076142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1077142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1078142b9f50SHelmut Schaa * operating channel 1079142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1080142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 108107ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 108207ef03eeSJohannes Berg * send out data 108307ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1084cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1085142b9f50SHelmut Schaa */ 1086142b9f50SHelmut Schaa enum mac80211_scan_state { 1087142b9f50SHelmut Schaa SCAN_DECISION, 1088142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1089142b9f50SHelmut Schaa SCAN_SEND_PROBE, 109007ef03eeSJohannes Berg SCAN_SUSPEND, 109107ef03eeSJohannes Berg SCAN_RESUME, 1092cd2bb512SSam Leffler SCAN_ABORT, 1093fbe9c429SHelmut Schaa }; 1094fbe9c429SHelmut Schaa 1095f0706e82SJiri Benc struct ieee80211_local { 1096f0706e82SJiri Benc /* embed the driver visible part. 1097f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1098f0706e82SJiri Benc * it first anyway so they become a no-op */ 1099f0706e82SJiri Benc struct ieee80211_hw hw; 1100f0706e82SJiri Benc 1101f0706e82SJiri Benc const struct ieee80211_ops *ops; 1102f0706e82SJiri Benc 110342935ecaSLuis R. Rodriguez /* 110442935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 110542935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 110642935ecaSLuis R. Rodriguez */ 110742935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 110842935ecaSLuis R. Rodriguez 1109e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1110cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 111196f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1112ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 111396f5e66eSJohannes Berg 1114f0706e82SJiri Benc int open_count; 11153d30d949SMichael Wu int monitors, cooked_mntrs; 11168cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11177be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11187be5086dSJohannes Berg fif_probe_req; 11197be5086dSJohannes Berg int probe_req_reg; 11204150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11213b8d81e0SJohannes Berg 11223ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11233ffc2a90SJohannes Berg 1124fe57d9f5SJohannes Berg bool use_chanctx; 1125fe57d9f5SJohannes Berg 11263b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11273b8d81e0SJohannes Berg spinlock_t filter_lock; 11283b8d81e0SJohannes Berg 11293ac64beeSJohannes Berg /* used for uploading changed mc list */ 11303ac64beeSJohannes Berg struct work_struct reconfig_filter; 11313ac64beeSJohannes Berg 11323b8d81e0SJohannes Berg /* aggregated multicast list */ 113322bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11343b8d81e0SJohannes Berg 1135d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11365bb644a0SJohannes Berg 11375bb644a0SJohannes Berg /* 11385bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11395bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11405bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11415bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11425bb644a0SJohannes Berg */ 11435bb644a0SJohannes Berg bool suspended; 11445bb644a0SJohannes Berg 11455bb644a0SJohannes Berg /* 1146ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1147ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1148ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1149ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1150ceb99fe0SJohannes Berg */ 1151ceb99fe0SJohannes Berg bool resuming; 1152ceb99fe0SJohannes Berg 1153ceb99fe0SJohannes Berg /* 11545bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 11555bb644a0SJohannes Berg * ease timer cancelling etc. 11565bb644a0SJohannes Berg */ 11575bb644a0SJohannes Berg bool quiescing; 11585bb644a0SJohannes Berg 1159ea77f12fSJohannes Berg /* device is started */ 1160ea77f12fSJohannes Berg bool started; 1161ea77f12fSJohannes Berg 116204800adaSArik Nemtsov /* device is during a HW reconfig */ 116304800adaSArik Nemtsov bool in_reconfig; 116404800adaSArik Nemtsov 1165eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1166eecc4800SJohannes Berg bool wowlan; 1167eecc4800SJohannes Berg 1168164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1169164eb02dSSimon Wunderlich 117004ecd257SJohannes Berg /* number of RX chains the hardware has */ 117104ecd257SJohannes Berg u8 rx_chains; 117204ecd257SJohannes Berg 1173b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1174f0706e82SJiri Benc 1175f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1176f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1177f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1178f0706e82SJiri Benc * queues increases over the limit. */ 1179f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1180f0706e82SJiri Benc struct tasklet_struct tasklet; 1181f0706e82SJiri Benc struct sk_buff_head skb_queue; 1182f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1183f0706e82SJiri Benc 1184f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 118524a8fdadSChristian Lamparter 1186d0709a65SJohannes Berg /* Station data */ 1187d0709a65SJohannes Berg /* 11884d33960bSJohannes Berg * The mutex only protects the list, hash table and 11894d33960bSJohannes Berg * counter, reads are done with RCU. 1190d0709a65SJohannes Berg */ 119134e89507SJohannes Berg struct mutex sta_mtx; 11924d33960bSJohannes Berg spinlock_t tim_lock; 1193d0709a65SJohannes Berg unsigned long num_sta; 11944d33960bSJohannes Berg struct list_head sta_list; 11957bedd0cfSJohannes Berg struct rhashtable sta_hash; 1196f0706e82SJiri Benc struct timer_list sta_cleanup; 1197f5ea9120SJohannes Berg int sta_generation; 1198f0706e82SJiri Benc 11992a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1200f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1201f0706e82SJiri Benc 1202a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1203cd8ffc80SJohannes Berg 1204df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1205df140465SJohannes Berg atomic_t iff_allmultis; 1206f0706e82SJiri Benc 1207f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1208f0706e82SJiri Benc 12095f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 12105f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1211f0706e82SJiri Benc u32 wep_iv; 1212f0706e82SJiri Benc 1213c771c9d8SJohannes Berg /* see iface.c */ 121479010420SJohannes Berg struct list_head interfaces; 1215c771c9d8SJohannes Berg struct mutex iflist_mtx; 121679010420SJohannes Berg 1217b16bd15cSJohannes Berg /* 1218ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1219b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1220b16bd15cSJohannes Berg */ 1221ad0e2b5aSJohannes Berg struct mutex key_mtx; 1222b16bd15cSJohannes Berg 1223a1699b75SJohannes Berg /* mutex for scan and work locking */ 1224a1699b75SJohannes Berg struct mutex mtx; 1225b16bd15cSJohannes Berg 1226c2b13452SJohannes Berg /* Scanning and BSS list */ 1227fbe9c429SHelmut Schaa unsigned long scanning; 12282a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12295ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12306ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1231c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12327ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 12334d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1234f0706e82SJiri Benc int scan_channel_idx; 1235de95a54bSJohannes Berg int scan_ies_len; 1236c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12378318d78aSJohannes Berg 123885a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12395260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12406ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1241a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 124279f460caSLuciano Coelho 1243df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1244977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1245f0706e82SJiri Benc struct delayed_work scan_work; 1246e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 124755de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1248675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1249f0706e82SJiri Benc 1250b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1251b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1252b8bc4b0aSJohannes Berg 1253d01a1e65SMichal Kazior /* channel contexts */ 1254d01a1e65SMichal Kazior struct list_head chanctx_list; 1255d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1256d01a1e65SMichal Kazior 1257c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 12588d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 12598d5c2585SJohannes Berg struct led_trigger tpt_led; 12608d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 12618d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1262c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1263c206ca67SJohannes Berg #endif 1264c206ca67SJohannes Berg 1265c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1266f0706e82SJiri Benc /* SNMP counters */ 1267f0706e82SJiri Benc /* dot11CountersTable */ 1268f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1269f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1270f0706e82SJiri Benc u32 dot11FailedCount; 1271f0706e82SJiri Benc u32 dot11RetryCount; 1272f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1273f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1274f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1275f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1276f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1277f0706e82SJiri Benc 1278f0706e82SJiri Benc /* TX/RX handler statistics */ 1279f0706e82SJiri Benc unsigned int tx_handlers_drop; 1280f0706e82SJiri Benc unsigned int tx_handlers_queued; 1281f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1282f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1283f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1284f0706e82SJiri Benc unsigned int rx_handlers_drop; 1285f0706e82SJiri Benc unsigned int rx_handlers_queued; 1286f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1287f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1288f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1289f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1290f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1291f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1292f0706e82SJiri Benc unsigned int tx_status_drop; 1293f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1294f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1295f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1296f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1297f0706e82SJiri Benc 1298f0706e82SJiri Benc 1299f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1300f0706e82SJiri Benc * multicast packets for power saving stations 1301f0706e82SJiri Benc */ 1302520eb820SKalle Valo 1303572e0012SKalle Valo bool pspolling; 1304b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1305965bedadSJohannes Berg /* 1306965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1307965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1308965bedadSJohannes Berg */ 1309965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1310520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1311520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1312520eb820SKalle Valo struct timer_list dynamic_ps_timer; 13132b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1314a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1315f0706e82SJiri Benc 1316ff616381SJuuso Oikarinen /* 1317ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1318ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1319ff616381SJuuso Oikarinen */ 1320ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1321ff616381SJuuso Oikarinen 13221ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13232bf30fabSJohannes Berg 13240f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13250f78231bSJohannes Berg 1326f2753ddbSJohannes Berg struct work_struct restart_work; 1327f2753ddbSJohannes Berg 1328e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1329e9f207f0SJiri Benc struct local_debugfsdentries { 13304b7679a5SJohannes Berg struct dentry *rcdir; 1331e9f207f0SJiri Benc struct dentry *keys; 1332e9f207f0SJiri Benc } debugfs; 1333e9f207f0SJiri Benc #endif 13344e6cbfd0SJohn W. Linville 13352eb278e0SJohannes Berg /* 13362eb278e0SJohannes Berg * Remain-on-channel support 13372eb278e0SJohannes Berg */ 13382eb278e0SJohannes Berg struct list_head roc_list; 133921f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13402eb278e0SJohannes Berg unsigned long hw_roc_start_time; 134150febf6aSJohannes Berg u64 roc_cookie_counter; 134221f83589SJohannes Berg 1343a729cff8SJohannes Berg struct idr ack_status_frames; 1344a729cff8SJohannes Berg spinlock_t ack_status_lock; 1345a729cff8SJohannes Berg 1346f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1347f142c6b9SJohannes Berg 13484b6f1dd6SJohannes Berg /* virtual monitor interface */ 13494b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 13504bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1351e9a21949SLuciano Coelho 1352e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1353e9a21949SLuciano Coelho u8 ext_capa[8]; 1354c8ff71e6SArik Nemtsov 1355c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1356c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1357c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1358f0706e82SJiri Benc }; 1359f0706e82SJiri Benc 13603e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 13613e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 13623e122be0SJohannes Berg { 13633e122be0SJohannes Berg return netdev_priv(dev); 13643e122be0SJohannes Berg } 13653e122be0SJohannes Berg 136671bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 136771bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 136871bbc994SJohannes Berg { 136971bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 137071bbc994SJohannes Berg } 137171bbc994SJohannes Berg 1372c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1373eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1374eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1375eadc8d9eSRon Rindjunsky u16 tid; 1376eadc8d9eSRon Rindjunsky }; 1377eadc8d9eSRon Rindjunsky 1378c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1379c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1380c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1381c0f17eb9SChun-Yeow Yeoh u8 mode; 1382c0f17eb9SChun-Yeow Yeoh u8 count; 1383c0f17eb9SChun-Yeow Yeoh u8 ttl; 13843f718fd8SChun-Yeow Yeoh u16 pre_value; 1385c0f17eb9SChun-Yeow Yeoh }; 1386c0f17eb9SChun-Yeow Yeoh 1387dd76986bSJohannes Berg /* Parsed Information Elements */ 1388dd76986bSJohannes Berg struct ieee802_11_elems { 13894a3cb702SJohannes Berg const u8 *ie_start; 1390dd76986bSJohannes Berg size_t total_len; 1391dd76986bSJohannes Berg 1392dd76986bSJohannes Berg /* pointers to IEs */ 139353837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 139453837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 13959041c1faSArik Nemtsov const u8 *ext_capab; 13964a3cb702SJohannes Berg const u8 *ssid; 13974a3cb702SJohannes Berg const u8 *supp_rates; 13984a3cb702SJohannes Berg const u8 *ds_params; 13994a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 14004a3cb702SJohannes Berg const u8 *challenge; 14014a3cb702SJohannes Berg const u8 *rsn; 14024a3cb702SJohannes Berg const u8 *erp_info; 14034a3cb702SJohannes Berg const u8 *ext_supp_rates; 14044a3cb702SJohannes Berg const u8 *wmm_info; 14054a3cb702SJohannes Berg const u8 *wmm_param; 14064a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14074a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14084a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14094a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14104a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 14114a3cb702SJohannes Berg const u8 *mesh_id; 14124a3cb702SJohannes Berg const u8 *peering; 14134a3cb702SJohannes Berg const __le16 *awake_window; 14144a3cb702SJohannes Berg const u8 *preq; 14154a3cb702SJohannes Berg const u8 *prep; 14164a3cb702SJohannes Berg const u8 *perr; 14174a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14184a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1419b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1420b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 14214a3cb702SJohannes Berg const u8 *country_elem; 14224a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1423c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 142479ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 14254a3cb702SJohannes Berg const u8 *opmode_notif; 142685220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 14278f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1428dd76986bSJohannes Berg 1429dd76986bSJohannes Berg /* length of them, respectively */ 14309041c1faSArik Nemtsov u8 ext_capab_len; 1431dd76986bSJohannes Berg u8 ssid_len; 1432dd76986bSJohannes Berg u8 supp_rates_len; 1433dd76986bSJohannes Berg u8 tim_len; 1434dd76986bSJohannes Berg u8 challenge_len; 1435dd76986bSJohannes Berg u8 rsn_len; 1436dd76986bSJohannes Berg u8 ext_supp_rates_len; 1437dd76986bSJohannes Berg u8 wmm_info_len; 1438dd76986bSJohannes Berg u8 wmm_param_len; 1439dd76986bSJohannes Berg u8 mesh_id_len; 1440dd76986bSJohannes Berg u8 peering_len; 1441dd76986bSJohannes Berg u8 preq_len; 1442dd76986bSJohannes Berg u8 prep_len; 1443dd76986bSJohannes Berg u8 perr_len; 1444dd76986bSJohannes Berg u8 country_elem_len; 1445fcff4f10SPaul Stewart 1446fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1447fcff4f10SPaul Stewart bool parse_error; 1448dd76986bSJohannes Berg }; 1449dd76986bSJohannes Berg 1450f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1451f0706e82SJiri Benc struct ieee80211_hw *hw) 1452f0706e82SJiri Benc { 1453f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1454f0706e82SJiri Benc } 1455f0706e82SJiri Benc 1456ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1457ba8c3d6fSFelix Fietkau { 1458ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1459ba8c3d6fSFelix Fietkau } 1460f0706e82SJiri Benc 1461571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1462571ecf67SJohannes Berg { 1463b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1464571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1465571ecf67SJohannes Berg } 1466571ecf67SJohannes Berg 1467f4bda337SThomas Pedersen static inline bool 1468f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1469f4bda337SThomas Pedersen { 1470f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1471f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1472f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1473f4bda337SThomas Pedersen } 1474571ecf67SJohannes Berg 1475f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1476f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1477f4bda337SThomas Pedersen unsigned int mpdu_len, 1478f4bda337SThomas Pedersen unsigned int mpdu_offset); 1479e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 14805cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 14819c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 14829c6bd790SJohannes Berg u32 changed); 14830d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 148446900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1485f0706e82SJiri Benc 1486a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 14875ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 14885ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1489a2fcfccbSJohannes Berg 149046900298SJohannes Berg /* STA code */ 14919c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 149277fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 149377fdaa12SJohannes Berg struct cfg80211_auth_request *req); 149477fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 149577fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 149677fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 149763c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 149877fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 149963c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1500572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1501572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 15024a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1503ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 15042b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 15051fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 15061fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15071fa57d01SJohannes Berg struct sk_buff *skb); 1508d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1509be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1510afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 15111672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 15121672c0e3SJohannes Berg __le16 fc, bool acked); 15131a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1514b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 151502219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 15169c6bd790SJohannes Berg 151746900298SJohannes Berg /* IBSS code */ 151846900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 151946900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 15208bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 15218bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1522af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1523af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1524af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 15251fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 15261fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15271fa57d01SJohannes Berg struct sk_buff *skb); 1528cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1529cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1530cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1531cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 15321fa57d01SJohannes Berg 1533239281f8SRostislav Lisovy /* OCB code */ 1534239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1535239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1536239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1537239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1538239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1539239281f8SRostislav Lisovy struct ocb_setup *setup); 1540239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1541239281f8SRostislav Lisovy 15421fa57d01SJohannes Berg /* mesh code */ 15431fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 15441fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15451fa57d01SJohannes Berg struct sk_buff *skb); 1546b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 154766e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1548b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 154946900298SJohannes Berg 15509c6bd790SJohannes Berg /* scan/BSS handling */ 155146900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 155234bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1553be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 155476bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 155576bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 15567ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1557c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 15582a519311SJohannes Berg struct cfg80211_scan_request *req); 15595bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1560133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1561d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 15629c6bd790SJohannes Berg 15630a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1564c2b13452SJohannes Berg struct ieee80211_bss * 156598c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 156698c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 156798c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 156898c8fccfSJohannes Berg size_t len, 156998c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1570d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 157198c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1572c2b13452SJohannes Berg struct ieee80211_bss *bss); 1573ee385855SLuis Carlos Cobo 157479f460caSLuciano Coelho /* scheduled scan handling */ 1575d43c6b6eSDavid Spinadel int 1576d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1577d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 157879f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 157979f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 15800d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1581f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 158285a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 158379f460caSLuciano Coelho 1584a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1585aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1586aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 15872eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 15882eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1589c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1590c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1591a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1592a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1593a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1594a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1595a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1596a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1597a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1598a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1599a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1600b203ffc3SJouni Malinen 160173da7d5bSSimon Wunderlich /* channel switch handling */ 160273da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 160382a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 160482a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 160573da7d5bSSimon Wunderlich 16063e122be0SJohannes Berg /* interface handling */ 160747846c9bSJohannes Berg int ieee80211_iface_init(void); 160847846c9bSJohannes Berg void ieee80211_iface_exit(void); 16093e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 16106bab2e19STom Gundersen unsigned char name_assign_type, 161184efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1612ee385855SLuis Carlos Cobo struct vif_params *params); 1613f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 161405c914feSJohannes Berg enum nl80211_iftype type); 1615f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 161675636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1617382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 16185cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 161985416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 162085416a4fSChristian Lamparter const int offset); 1621f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1622f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 16233c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 16243c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1625f0706e82SJiri Benc 16261ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1627db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1628db82d8a9SLorenzo Bianconi bool update_bss); 16291ea6f9c0SJohannes Berg 16309607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 16319607e6b6SJohannes Berg { 163234d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 16339607e6b6SJohannes Berg } 16349607e6b6SJohannes Berg 1635e2ebc74dSJohannes Berg /* tx handling */ 1636e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1637e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1638d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1639d0cf9c0dSStephen Hemminger struct net_device *dev); 1640d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1641d0cf9c0dSStephen Hemminger struct net_device *dev); 164224d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 164324d342c5SLiad Kaufman struct net_device *dev, 164424d342c5SLiad Kaufman u32 info_flags); 16451f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 16461f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 16477528ec57SJohannes Berg struct sk_buff * 16487528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 16497528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 16504dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 16514dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 16524dc792b8SHelmut Schaa int retry_count, int shift, bool send_to_cooked); 1653e2ebc74dSJohannes Berg 165417c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 165517c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 165617c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 165717c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 165817c18bf8SJohannes Berg 1659de1ede7aSJohannes Berg /* HT */ 1660ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1661ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1662e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1663ef96a842SBen Greear struct ieee80211_supported_band *sband, 16644a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1665e1a0c6b3SJohannes Berg struct sta_info *sta); 1666b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1667b8695a8fSJohannes Berg const u8 *da, u16 tid, 1668b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 16690f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 16700f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 16710f78231bSJohannes Berg const u8 *bssid); 1672687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1673687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1674687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1675687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1676de1ede7aSJohannes Berg 16777c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 167853f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1679849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 168053f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 168108cf42e8SMichal Kazior void __ieee80211_start_rx_ba_session(struct sta_info *sta, 168208cf42e8SMichal Kazior u8 dialog_token, u16 timeout, 168308cf42e8SMichal Kazior u16 start_seq_num, u16 ba_policy, u16 tid, 16844549cf2bSMichal Kazior u16 buf_size, bool tx, bool auto_seq); 1685c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1686c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1687de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1688de1ede7aSJohannes Berg struct sta_info *sta, 1689de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1690de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1691de1ede7aSJohannes Berg struct sta_info *sta, 1692de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1693de1ede7aSJohannes Berg size_t len); 1694de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1695de1ede7aSJohannes Berg struct sta_info *sta, 1696de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1697de1ede7aSJohannes Berg size_t len); 1698de1ede7aSJohannes Berg 1699849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1700c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 170167c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1702c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 17035d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 17045d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 170567c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 170667c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 17072bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1708849b7967SJohannes Berg 170904ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 171004ecd257SJohannes Berg 1711818255eaSMahesh Palivela /* VHT */ 17124a3cb702SJohannes Berg void 17134a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1714818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 17154a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 17164a34215eSJohannes Berg struct sta_info *sta); 17171c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1718e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 17198921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 1720b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1721b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 1722b1bce14aSMarek Kwaczynski enum ieee80211_band band, bool nss_only); 17230af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 17240af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1725bee7f586SJohannes Berg enum ieee80211_band band, bool nss_only); 1726dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1727dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1728b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1729b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 17304a34215eSJohannes Berg 173139192c0bSJohannes Berg /* Spectrum management */ 173239192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 173339192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 173439192c0bSJohannes Berg size_t len); 1735e6b7cde4SSimon Wunderlich /** 1736e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1737e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1738e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1739e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1740e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1741e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1742e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1743e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1744e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1745e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1746e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1747c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1748c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1749e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1750e6b7cde4SSimon Wunderlich */ 1751e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 175284469a45SLuciano Coelho struct ieee802_11_elems *elems, 1753e6b7cde4SSimon Wunderlich enum ieee80211_band current_band, 1754c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1755c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 175639192c0bSJohannes Berg 1757f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1758f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 175984f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1760f2753ddbSJohannes Berg 1761eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1762eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1763f2753ddbSJohannes Berg 1764f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1765f2753ddbSJohannes Berg { 176685f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 176785f72bc8SJohn W. Linville 17689120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 17699120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 177085f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 177185f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 177285f72bc8SJohn W. Linville 1773f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1774f2753ddbSJohannes Berg } 1775665af4fcSBob Copeland 1776c2d1560aSJohannes Berg /* utility functions/constants */ 17778a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 17784ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1779438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1780438b61b7SSimon Wunderlich int shift); 17813abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 1782cec66283SJohannes Berg bool bss_notify, bool enable_qos); 17837c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 17847c10770fSJohannes Berg struct sta_info *sta, struct sk_buff *skb); 1785cf6bb79aSHelmut Schaa 178655de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 178755de908aSJohannes Berg struct sk_buff *skb, int tid, 178855de908aSJohannes Berg enum ieee80211_band band); 178955de908aSJohannes Berg 179055de908aSJohannes Berg static inline void 179155de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 179255de908aSJohannes Berg struct sk_buff *skb, int tid, 179355de908aSJohannes Berg enum ieee80211_band band) 179455de908aSJohannes Berg { 179555de908aSJohannes Berg rcu_read_lock(); 179655de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 179755de908aSJohannes Berg rcu_read_unlock(); 179855de908aSJohannes Berg } 179955de908aSJohannes Berg 180055de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 180155de908aSJohannes Berg struct sk_buff *skb, int tid) 180255de908aSJohannes Berg { 180355de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 180455de908aSJohannes Berg 180555de908aSJohannes Berg rcu_read_lock(); 180655de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 180755de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 180855de908aSJohannes Berg rcu_read_unlock(); 180955de908aSJohannes Berg kfree_skb(skb); 181055de908aSJohannes Berg return; 181155de908aSJohannes Berg } 181255de908aSJohannes Berg 181355de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 18144bf88530SJohannes Berg chanctx_conf->def.chan->band); 181555de908aSJohannes Berg rcu_read_unlock(); 181655de908aSJohannes Berg } 181755de908aSJohannes Berg 181855de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1819cf6bb79aSHelmut Schaa struct sk_buff *skb) 1820cf6bb79aSHelmut Schaa { 1821cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1822cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1823cf6bb79aSHelmut Schaa } 1824cf6bb79aSHelmut Schaa 182535d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1826d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1827d91f36dbSJohannes Berg u64 filter, u32 crc); 182835d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 182935d865afSJohannes Berg bool action, 1830ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1831ddc4db2eSJohannes Berg { 1832b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1833ddc4db2eSJohannes Berg } 1834ddc4db2eSJohannes Berg 183583eb935eSMichal Kazior static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head *frames) 183683eb935eSMichal Kazior { 183783eb935eSMichal Kazior struct sk_buff *tail = skb_peek_tail(frames); 183883eb935eSMichal Kazior struct ieee80211_rx_status *status; 183983eb935eSMichal Kazior 184083eb935eSMichal Kazior if (!tail) 184183eb935eSMichal Kazior return false; 184283eb935eSMichal Kazior 184383eb935eSMichal Kazior status = IEEE80211_SKB_RXCB(tail); 184483eb935eSMichal Kazior if (status->flag & RX_FLAG_AMSDU_MORE) 184583eb935eSMichal Kazior return false; 184683eb935eSMichal Kazior 184783eb935eSMichal Kazior return true; 184883eb935eSMichal Kazior } 184983eb935eSMichal Kazior 185002219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 185102219b3aSJohannes Berg 185202219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 185302219b3aSJohannes Berg { 185402219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 185502219b3aSJohannes Berg } 185602219b3aSJohannes Berg 1857520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1858520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1859520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1860a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1861a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1862076cdcb1SJohannes Berg bool powersave); 18633cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 18643cf335d5SKalle Valo struct ieee80211_hdr *hdr); 18654e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 186602219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 1867520eb820SKalle Valo 1868ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1869445ea4e8SJohannes Berg unsigned long queues, 1870cca07b00SLuciano Coelho enum queue_stop_reason reason, 1871cca07b00SLuciano Coelho bool refcounted); 187226da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 187326da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 187426da23b6SLuciano Coelho enum queue_stop_reason reason); 187526da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 187626da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 187726da23b6SLuciano Coelho enum queue_stop_reason reason); 1878ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1879445ea4e8SJohannes Berg unsigned long queues, 1880cca07b00SLuciano Coelho enum queue_stop_reason reason, 1881cca07b00SLuciano Coelho bool refcounted); 188296f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 1883cca07b00SLuciano Coelho enum queue_stop_reason reason, 1884cca07b00SLuciano Coelho bool refcounted); 188596f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 1886cca07b00SLuciano Coelho enum queue_stop_reason reason, 1887cca07b00SLuciano Coelho bool refcounted); 18883a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 18898f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 18908f77f384SJohannes Berg struct sk_buff *skb); 1891e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 1892e3685e03SJohannes Berg struct sk_buff_head *skbs); 189339ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 18943b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 18954f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 18964f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 18973b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 1898ce7c9111SKalle Valo 18994afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 19004afaff17SEmmanuel Grumbach { 19014afaff17SEmmanuel Grumbach /* 19024afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 19034afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 19044afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 19054afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 19064afaff17SEmmanuel Grumbach */ 19074afaff17SEmmanuel Grumbach if (local->quiescing) 19084afaff17SEmmanuel Grumbach return false; 19094afaff17SEmmanuel Grumbach 19104afaff17SEmmanuel Grumbach /* 19114afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 19124afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 19134afaff17SEmmanuel Grumbach * 19144afaff17SEmmanuel Grumbach * if (local->quiescing) 19154afaff17SEmmanuel Grumbach * return; 19164afaff17SEmmanuel Grumbach * local->quiescing = true; 19174afaff17SEmmanuel Grumbach * flush_workqueue(); 19184afaff17SEmmanuel Grumbach * queue_work(...); 19194afaff17SEmmanuel Grumbach * local->suspended = true; 19204afaff17SEmmanuel Grumbach * local->quiescing = false; 19214afaff17SEmmanuel Grumbach * worker starts running... 19224afaff17SEmmanuel Grumbach */ 19234afaff17SEmmanuel Grumbach if (local->suspended) 19244afaff17SEmmanuel Grumbach return false; 19254afaff17SEmmanuel Grumbach 19264afaff17SEmmanuel Grumbach return true; 19274afaff17SEmmanuel Grumbach } 19284afaff17SEmmanuel Grumbach 1929ba8c3d6fSFelix Fietkau void ieee80211_init_tx_queue(struct ieee80211_sub_if_data *sdata, 1930ba8c3d6fSFelix Fietkau struct sta_info *sta, 1931ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 193246900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1933700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 19344a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 19351672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 19361672c0e3SJohannes Berg u32 tx_flags); 19376ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 19386ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 19396ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1940de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1941c56ef672SDavid Spinadel size_t buffer_len, 1942c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 1943c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 1944c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 19452103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 1946a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 1947a344d677SJohannes Berg const u8 *src, const u8 *dst, 1948a344d677SJohannes Berg u32 ratemask, 19496b77863bSJohannes Berg struct ieee80211_channel *chan, 1950a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1951a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1952a806c558SPaul Stewart bool directed); 1953a344d677SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, 1954a344d677SJohannes Berg const u8 *src, const u8 *dst, 1955de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1956a806c558SPaul Stewart const u8 *ie, size_t ie_len, 19571672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 195855de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 195946900298SJohannes Berg 19602103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 196146900298SJohannes Berg struct ieee802_11_elems *elems, 19629ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 1963687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 1964687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 1965687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 19660f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 196704ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 196821f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 196946900298SJohannes Berg 19708e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1971ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 197242e7aa77SAlexander Simon u16 cap); 1973074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 19744bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 197557f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 1976ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1977ba0afa2fSMahesh Palivela u32 cap); 1978fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1979fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 19802103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 19812103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 19822103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 1983fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 19846b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19856b77863bSJohannes Berg enum ieee80211_band band); 1986fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 19876b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19886b77863bSJohannes Berg enum ieee80211_band band); 198940b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 19908e664fb3SJohannes Berg 1991f444de05SJohannes Berg /* channel management */ 19924bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 19934a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_oper, 19944bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1995abcff6efSJanusz.Dziedzic@tieto.com void ieee80211_vht_oper_to_chandef(struct ieee80211_channel *control_chan, 1996abcff6efSJanusz.Dziedzic@tieto.com const struct ieee80211_vht_operation *oper, 1997abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 1998e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 1999f444de05SJohannes Berg 2000d01a1e65SMichal Kazior int __must_check 2001d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 20024bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2003d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 20042c9b7359SJohannes Berg int __must_check 200511335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 200611335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 200709332481SMichal Kazior enum ieee80211_chanctx_mode mode, 200809332481SMichal Kazior bool radar_required); 200911335a55SLuciano Coelho int __must_check 20105bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 201111335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 201211335a55SLuciano Coelho 201311335a55SLuciano Coelho int __must_check 20142c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 20152c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 20162c9b7359SJohannes Berg u32 *changed); 2017d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 20184d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 20191f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 20201f4ac5a6SJohannes Berg bool clear); 2021c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2022c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2023d01a1e65SMichal Kazior 202404ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 202504ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 202621f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 202721f659bfSEliad Peller struct ieee80211_chanctx *ctx); 20285cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2029164eb02dSSimon Wunderlich 2030164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2031164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2032164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2033164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2034c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2035c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 203604ecd257SJohannes Berg 20372475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 20382475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 20392475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 20402475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 20412475b1ccSMax Stepanov enum nl80211_iftype iftype); 20422475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 20432475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 20442475b1ccSMax Stepanov enum nl80211_iftype iftype); 2045057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2046057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 204773de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 204873de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 204973de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 205073de86a3SLuciano Coelho u8 radar_detect); 20516fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 20520fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 20530fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 20540fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 20552475b1ccSMax Stepanov 205695224fe8SArik Nemtsov /* TDLS */ 205795224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 20583b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 205995224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 206031fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 206131fa97c5SArik Nemtsov size_t extra_ies_len); 206295224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 20633b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2064c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2065a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2066a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2067a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2068a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2069a7a6bdd0SArik Nemtsov struct net_device *dev, 2070a7a6bdd0SArik Nemtsov const u8 *addr); 2071d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2072c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 207395224fe8SArik Nemtsov 2074b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2075b7ffbd7eSJohannes Berg 2076f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2077d9e8a70fSJohannes Berg #define debug_noinline noinline 2078d9e8a70fSJohannes Berg #else 2079d9e8a70fSJohannes Berg #define debug_noinline 2080d9e8a70fSJohannes Berg #endif 2081d9e8a70fSJohannes Berg 2082f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2083