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; 959acc54beSJohannes Berg bool check_sequential_pn; /* needed for CCMP/GCMP */ 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; 328af6b6374SJohannes Berg 329af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 330af6b6374SJohannes Berg 331f679f65dSJohannes Berg struct ieee80211_channel *chan; 332af6b6374SJohannes Berg 3332eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 334b4b177a5SJohannes Berg bool on_channel; 335f679f65dSJohannes Berg 336aaa016ccSJohannes Berg unsigned long start_time; 337e4da8c37SJohannes Berg 3382eb278e0SJohannes Berg u32 duration, req_duration; 339f30221e4SJohannes Berg struct sk_buff *frame; 34050febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 341d339d5caSIlan Peer enum ieee80211_roc_type type; 34277fdaa12SJohannes Berg }; 34377fdaa12SJohannes Berg 34446900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 345ab1faeadSJohannes Berg enum ieee80211_sta_flags { 346b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 347b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 348a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 349b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 350ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 351375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35217e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 35324398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 354d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 355f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 356f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 357095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 358cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 359ab1faeadSJohannes Berg }; 360ab1faeadSJohannes Berg 36166e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 36266e67e41SJohannes Berg struct cfg80211_bss *bss; 36366e67e41SJohannes Berg unsigned long timeout; 36466e67e41SJohannes Berg int tries; 36566e67e41SJohannes Berg u16 algorithm, expected_transaction; 36666e67e41SJohannes Berg 36766e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 36866e67e41SJohannes Berg u8 key_len, key_idx; 36966e67e41SJohannes Berg bool done; 37089afe614SJohannes Berg bool timeout_started; 37166e67e41SJohannes Berg 3726b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3736b8ece3aSJouni Malinen size_t data_len; 3746b8ece3aSJouni Malinen u8 data[]; 37566e67e41SJohannes Berg }; 37666e67e41SJohannes Berg 37766e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 37866e67e41SJohannes Berg struct cfg80211_bss *bss; 37966e67e41SJohannes Berg const u8 *supp_rates; 38066e67e41SJohannes Berg 38166e67e41SJohannes Berg unsigned long timeout; 38266e67e41SJohannes Berg int tries; 38366e67e41SJohannes Berg 38466e67e41SJohannes Berg u16 capability; 38566e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 38666e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 38766e67e41SJohannes Berg u8 ssid_len; 38866e67e41SJohannes Berg u8 supp_rates_len; 38976f0303dSJohannes Berg bool wmm, uapsd; 390989c6505SAlexander Bondar bool need_beacon; 39166e67e41SJohannes Berg bool synced; 39289afe614SJohannes Berg bool timeout_started; 39366e67e41SJohannes Berg 3949dde6423SJohannes Berg u8 ap_ht_param; 3959dde6423SJohannes Berg 396b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 397b08fbbd8SJohannes Berg 39866e67e41SJohannes Berg size_t ie_len; 39966e67e41SJohannes Berg u8 ie[]; 40066e67e41SJohannes Berg }; 40166e67e41SJohannes Berg 40202219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 40302219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 40402219b3aSJohannes Berg unsigned long time_slice_start; 40502219b3aSJohannes Berg 40602219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 40702219b3aSJohannes Berg u8 tsid; 40802219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 40902219b3aSJohannes Berg 41002219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 41102219b3aSJohannes Berg u32 consumed_tx_time; 41202219b3aSJohannes Berg enum { 41302219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 41402219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 41502219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 41602219b3aSJohannes Berg } action; 41702219b3aSJohannes Berg bool downgraded; 41802219b3aSJohannes Berg }; 41902219b3aSJohannes Berg 420338c17aeSJohannes Berg DECLARE_EWMA(beacon_signal, 16, 4) 421338c17aeSJohannes Berg 42246900298SJohannes Berg struct ieee80211_if_managed { 423056cdd59SJohannes Berg struct timer_list timer; 424b291ba11SJohannes Berg struct timer_list conn_mon_timer; 425b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 426c481ec97SSujith struct timer_list chswitch_timer; 427b291ba11SJohannes Berg struct work_struct monitor_work; 428c481ec97SSujith struct work_struct chswitch_work; 4291e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 430882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 43146900298SJohannes Berg 4327ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 433b291ba11SJohannes Berg unsigned long probe_timeout; 434a43abf29SMaxim Levitsky int probe_send_count; 43504ac3c0eSFelix Fietkau bool nullfunc_failed; 436682bd38bSJohannes Berg bool connection_loss; 437b291ba11SJohannes Berg 4380c1ad2caSJohannes Berg struct cfg80211_bss *associated; 43966e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 44066e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 44146900298SJohannes Berg 44277fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 44346900298SJohannes Berg 444f0706e82SJiri Benc u16 aid; 445f0706e82SJiri Benc 446965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 44705cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 448989c6505SAlexander Bondar bool have_beacon; 449826262c3SJohannes Berg u8 dtim_period; 4500f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 451d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 452d1f5b7a3SJohannes Berg 453d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 454965bedadSJohannes Berg 455d6f2da5bSJiri Slaby unsigned int flags; 456f0706e82SJiri Benc 4570c21e632SLuciano Coelho bool csa_waiting_bcn; 458f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4590c21e632SLuciano Coelho 460d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 461d91f36dbSJohannes Berg u32 beacon_crc; 462d91f36dbSJohannes Berg 4631672c0e3SJohannes Berg bool status_acked; 4641672c0e3SJohannes Berg bool status_received; 4651672c0e3SJohannes Berg __le16 status_fc; 4661672c0e3SJohannes Berg 467fdfacf0aSJouni Malinen enum { 468fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 469fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 470fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 471fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 472fdfacf0aSJouni Malinen 473dc41e4d4SEliad Peller /* 474dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 475dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 476dc41e4d4SEliad Peller * to take effect. 477dc41e4d4SEliad Peller */ 478dc41e4d4SEliad Peller unsigned int uapsd_queues; 479dc41e4d4SEliad Peller 480dc41e4d4SEliad Peller /* 481dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 482dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 483dc41e4d4SEliad Peller * Needs a new association to take effect. 484dc41e4d4SEliad Peller */ 485dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 486dc41e4d4SEliad Peller 487f0706e82SJiri Benc int wmm_last_param_set; 4889bc383deSJohannes Berg 4899bc383deSJohannes Berg u8 use_4addr; 49017e4ec14SJouni Malinen 49167baf663SJanusz Dziedzic s16 p2p_noa_index; 492488dd7b5SJohannes Berg 493338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 49417e4ec14SJouni Malinen 49517e4ec14SJouni Malinen /* 496391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 497391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 498391a200aSJouni Malinen * only on couple of received frames. 499391a200aSJouni Malinen */ 500391a200aSJouni Malinen unsigned int count_beacon_signal; 501391a200aSJouni Malinen 502976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 503976bd9efSJohannes Berg unsigned int beacon_loss_count; 504976bd9efSJohannes Berg 505391a200aSJouni Malinen /* 50617e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 50717e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 50817e4ec14SJouni Malinen * generated for the current association. 50917e4ec14SJouni Malinen */ 51017e4ec14SJouni Malinen int last_cqm_event_signal; 511615f7b9bSMeenakshi Venkataraman 512615f7b9bSMeenakshi Venkataraman /* 513615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 514615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 515615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 516615f7b9bSMeenakshi Venkataraman */ 517615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 518615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 519ef96a842SBen Greear 520ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 521ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 522dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 523dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 52481dd2b88SArik Nemtsov 5251277b4a9SLiad Kaufman /* TDLS support */ 52681dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 52781dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5281277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5291277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5301277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5319041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 53282c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 53302219b3aSJohannes Berg 53402219b3aSJohannes Berg /* WMM-AC TSPEC support */ 53502219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 53602219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 53702219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 53802219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 53902219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 54002219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 54102219b3aSJohannes Berg */ 54202219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 543f0706e82SJiri Benc }; 544f0706e82SJiri Benc 54546900298SJohannes Berg struct ieee80211_if_ibss { 54646900298SJohannes Berg struct timer_list timer; 547cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 54846900298SJohannes Berg 549af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5505bb644a0SJohannes Berg 551fbd2c8dcSTeemu Paasikivi u32 basic_rates; 552fbd2c8dcSTeemu Paasikivi 553af8cdcd8SJohannes Berg bool fixed_bssid; 554af8cdcd8SJohannes Berg bool fixed_channel; 555fffd0934SJohannes Berg bool privacy; 55646900298SJohannes Berg 557267335d6SAntonio Quartulli bool control_port; 5588e8d347dSSimon Wunderlich bool userspace_handles_dfs; 559267335d6SAntonio Quartulli 5604d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 561af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 562af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 563af8cdcd8SJohannes Berg u8 *ie; 5643aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 56546900298SJohannes Berg 56646900298SJohannes Berg unsigned long ibss_join_req; 567af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 568c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 56946900298SJohannes Berg 570822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 571822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 572822854b0SSimon Wunderlich 5738bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5748bf11d8dSJohannes Berg struct list_head incomplete_stations; 5758bf11d8dSJohannes Berg 57646900298SJohannes Berg enum { 57746900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 57846900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 57946900298SJohannes Berg } state; 58046900298SJohannes Berg }; 58146900298SJohannes Berg 582dbf498fbSJavier Cardona /** 583239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 584239281f8SRostislav Lisovy * 585239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 586239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 587239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 588239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 589239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 590239281f8SRostislav Lisovy */ 591239281f8SRostislav Lisovy struct ieee80211_if_ocb { 592239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 593239281f8SRostislav Lisovy unsigned long wrkq_flags; 594239281f8SRostislav Lisovy 595239281f8SRostislav Lisovy spinlock_t incomplete_lock; 596239281f8SRostislav Lisovy struct list_head incomplete_stations; 597239281f8SRostislav Lisovy 598239281f8SRostislav Lisovy bool joined; 599239281f8SRostislav Lisovy }; 600239281f8SRostislav Lisovy 601239281f8SRostislav Lisovy /** 602dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 603dbf498fbSJavier Cardona * 604dbf498fbSJavier Cardona * these declarations define the interface, which enables 605dbf498fbSJavier Cardona * vendor-specific mesh synchronization 606dbf498fbSJavier Cardona * 607dbf498fbSJavier Cardona */ 608dbf498fbSJavier Cardona struct ieee802_11_elems; 609dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 610dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 611dbf498fbSJavier Cardona u16 stype, 612dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 613dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 614dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 61543552be1SThomas Pedersen 61643552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 61743552be1SThomas Pedersen void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata, 61843552be1SThomas Pedersen struct beacon_data *beacon); 619dbf498fbSJavier Cardona /* add other framework functions here */ 620dbf498fbSJavier Cardona }; 621dbf498fbSJavier Cardona 622b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 623b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 624b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 625b8456a14SChun-Yeow Yeoh }; 626b8456a14SChun-Yeow Yeoh 627472dbc45SJohannes Berg struct ieee80211_if_mesh { 628472dbc45SJohannes Berg struct timer_list housekeeping_timer; 629472dbc45SJohannes Berg struct timer_list mesh_path_timer; 630e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 631472dbc45SJohannes Berg 63218889231SJavier Cardona unsigned long wrkq_flags; 633f81a9dedSThomas Pedersen unsigned long mbss_changed; 634472dbc45SJohannes Berg 635472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 636472dbc45SJohannes Berg size_t mesh_id_len; 637472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6383491707aSRui Paulo u8 mesh_pp_id; 639472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6403491707aSRui Paulo u8 mesh_pm_id; 641472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6423491707aSRui Paulo u8 mesh_cc_id; 6439e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6443491707aSRui Paulo u8 mesh_sp_id; 6459e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6463491707aSRui Paulo u8 mesh_auth_id; 647d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 648d19b3bf6SRui Paulo u32 sn; 649472dbc45SJohannes Berg /* Last used PREQ ID */ 650472dbc45SJohannes Berg u32 preq_id; 651472dbc45SJohannes Berg atomic_t mpaths; 652d19b3bf6SRui Paulo /* Timestamp of last SN update */ 653d19b3bf6SRui Paulo unsigned long last_sn_update; 654dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 655dca7e943SThomas Pedersen unsigned long next_perr; 656dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 657472dbc45SJohannes Berg unsigned long last_preq; 658472dbc45SJohannes Berg struct mesh_rmc *rmc; 659472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 660472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 661472dbc45SJohannes Berg int preq_queue_len; 662472dbc45SJohannes Berg struct mesh_stats mshstats; 663472dbc45SJohannes Berg struct mesh_config mshcfg; 6641258d976SAshok Nagarajan atomic_t estab_plinks; 665472dbc45SJohannes Berg u32 mesh_seqnum; 666472dbc45SJohannes Berg bool accepting_plinks; 6675ee68e5bSJavier Cardona int num_gates; 6682b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 669581a8b0fSJavier Cardona const u8 *ie; 670581a8b0fSJavier Cardona u8 ie_len; 671b130e5ceSJavier Cardona enum { 672b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 673b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 674b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 675b130e5ceSJavier Cardona } security; 676a6dad6a2SThomas Pedersen bool user_mpm; 677dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6788ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 679dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 680dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 681dbf498fbSJavier Cardona bool adjusting_tbtt; 6823f52b7e3SMarco Porsch /* mesh power save */ 6833f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6843f52b7e3SMarco Porsch int ps_peers_light_sleep; 6853f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6863f52b7e3SMarco Porsch struct ps_data ps; 6878f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 688b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6890cb4d4dcSLuciano Coelho enum { 6900cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 6910cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 6920cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 6930cb4d4dcSLuciano Coelho } csa_role; 694b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 6958f2535b9SChun-Yeow Yeoh u16 pre_value; 69643552be1SThomas Pedersen 69743552be1SThomas Pedersen /* offset from skb->data while building IE */ 69843552be1SThomas Pedersen int meshconf_offset; 699472dbc45SJohannes Berg }; 700902acc78SJohannes Berg 701902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 702472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 703472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 704902acc78SJohannes Berg #else 705472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 706902acc78SJohannes Berg do { } while (0) 707902acc78SJohannes Berg #endif 708f0706e82SJiri Benc 709213cd118SJohannes Berg /** 710213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 711213cd118SJohannes Berg * 712213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 713213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 714213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 715213cd118SJohannes Berg * associated stations and deliver multicast frames both 716213cd118SJohannes Berg * back to wireless media and to the local net stack. 71795acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7187b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 719213cd118SJohannes Berg */ 720213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 721213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7227986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7237986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 72495acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7257b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 726213cd118SJohannes Berg }; 727213cd118SJohannes Berg 72834d4bc4dSJohannes Berg /** 72934d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 73034d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 73134d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 73234d4bc4dSJohannes Berg * change handling while the interface is up 7335b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7345b714c6aSJohannes Berg * mode, so queues are stopped 735d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 736d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 73734d4bc4dSJohannes Berg */ 73834d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 73934d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7405b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 741d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 74234d4bc4dSJohannes Berg }; 74334d4bc4dSJohannes Berg 744d01a1e65SMichal Kazior /** 745d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 746d01a1e65SMichal Kazior * 747d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 748d01a1e65SMichal Kazior * multiple interfaces 749d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 750d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 751d01a1e65SMichal Kazior * non-fixed channel IBSS. 752d01a1e65SMichal Kazior */ 753d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 754d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 755d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 756d01a1e65SMichal Kazior }; 757d01a1e65SMichal Kazior 7585bcae31dSMichal Kazior /** 7595bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7605bcae31dSMichal Kazior * 7615bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7625bcae31dSMichal Kazior * context switch/swap. 7635bcae31dSMichal Kazior * 7645bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7655bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7665bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7675bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7685bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7695bcae31dSMichal Kazior */ 7705bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7715bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7725bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7735bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7745bcae31dSMichal Kazior }; 7755bcae31dSMichal Kazior 776d01a1e65SMichal Kazior struct ieee80211_chanctx { 777d01a1e65SMichal Kazior struct list_head list; 778d01a1e65SMichal Kazior struct rcu_head rcu_head; 779d01a1e65SMichal Kazior 780484298adSMichal Kazior struct list_head assigned_vifs; 781e3afb920SMichal Kazior struct list_head reserved_vifs; 782484298adSMichal Kazior 7835bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 7845bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 7855bcae31dSMichal Kazior 786d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 7878a61af65SJohannes Berg bool driver_present; 788d01a1e65SMichal Kazior 789d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 790d01a1e65SMichal Kazior }; 791d01a1e65SMichal Kazior 79232db6b54SKyeyoon Park struct mac80211_qos_map { 79332db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 79432db6b54SKyeyoon Park struct rcu_head rcu_head; 79532db6b54SKyeyoon Park }; 79632db6b54SKyeyoon Park 797ba8c3d6fSFelix Fietkau enum txq_info_flags { 798ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 799ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 800ba8c3d6fSFelix Fietkau }; 801ba8c3d6fSFelix Fietkau 802ba8c3d6fSFelix Fietkau struct txq_info { 803ba8c3d6fSFelix Fietkau struct sk_buff_head queue; 804ba8c3d6fSFelix Fietkau unsigned long flags; 805f2ac7e30SMichal Kazior unsigned long byte_cnt; 806ba8c3d6fSFelix Fietkau 807ba8c3d6fSFelix Fietkau /* keep last! */ 808ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 809ba8c3d6fSFelix Fietkau }; 810ba8c3d6fSFelix Fietkau 811f0706e82SJiri Benc struct ieee80211_sub_if_data { 812f0706e82SJiri Benc struct list_head list; 813f0706e82SJiri Benc 814f0706e82SJiri Benc struct wireless_dev wdev; 815f0706e82SJiri Benc 81611a843b7SJohannes Berg /* keys */ 81711a843b7SJohannes Berg struct list_head key_list; 81811a843b7SJohannes Berg 8193bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8203bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8218d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8228d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8233bff1865SYogesh Ashok Powar 824f0706e82SJiri Benc struct net_device *dev; 825f0706e82SJiri Benc struct ieee80211_local *local; 826f0706e82SJiri Benc 82713262ffdSJiri Slaby unsigned int flags; 8287e9ed188SDaniel Drake 82934d4bc4dSJohannes Berg unsigned long state; 83034d4bc4dSJohannes Berg 83147846c9bSJohannes Berg char name[IFNAMSIZ]; 83247846c9bSJohannes Berg 833f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 834f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 835f0706e82SJiri Benc unsigned int fragment_next; 836f0706e82SJiri Benc 837b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 838b53be792SSimon Wunderlich u16 noack_map; 839b53be792SSimon Wunderlich 84000e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 84100e96decSYoni Divinsky u8 wmm_acm; 84200e96decSYoni Divinsky 84340b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 84440b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 84540b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 84640b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 847f0706e82SJiri Benc 84894778280SJohannes Berg u16 sequence_number; 849a621fa4dSJohannes Berg __be16 control_port_protocol; 850a621fa4dSJohannes Berg bool control_port_no_encrypt; 8512475b1ccSMax Stepanov int encrypt_headroom; 85294778280SJohannes Berg 853ba8c3d6fSFelix Fietkau atomic_t txqs_len[IEEE80211_NUM_ACS]; 85454bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 85532db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 856f6f3def3SEliad Peller 85773da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 85859af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 85933787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 86073da7d5bSSimon Wunderlich 861484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 862e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 863484298adSMichal Kazior 86411335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 86511335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 86611335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 86709332481SMichal Kazior bool reserved_radar_required; 8685bcae31dSMichal Kazior bool reserved_ready; 86911335a55SLuciano Coelho 87004ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 87104ecd257SJohannes Berg struct work_struct recalc_smps; 87204ecd257SJohannes Berg 87364592c8fSJohannes Berg struct work_struct work; 87435f20c14SJohannes Berg struct sk_buff_head skb_queue; 87535f20c14SJohannes Berg 87604ecd257SJohannes Berg u8 needed_rx_chains; 87704ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 87804ecd257SJohannes Berg 8791ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 8801ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 8811ea6f9c0SJohannes Berg 882164eb02dSSimon Wunderlich bool radar_required; 883164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 884164eb02dSSimon Wunderlich 8853e122be0SJohannes Berg /* 8863e122be0SJohannes Berg * AP this belongs to: self in AP mode and 8873e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 8883e122be0SJohannes Berg * all others (might be needed later in IBSS) 8893e122be0SJohannes Berg */ 8903e122be0SJohannes Berg struct ieee80211_if_ap *bss; 8913e122be0SJohannes Berg 89237eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 89337eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 8942ffbe6d3SFelix Fietkau 8952ffbe6d3SFelix Fietkau bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; 89619468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 897f0706e82SJiri Benc 898b119ad6eSLorenzo Bianconi bool rc_has_vht_mcs_mask[IEEE80211_NUM_BANDS]; 899b119ad6eSLorenzo Bianconi u16 rc_rateidx_vht_mcs_mask[IEEE80211_NUM_BANDS][NL80211_VHT_NSS_MAX]; 900b119ad6eSLorenzo Bianconi 901f0706e82SJiri Benc union { 902f0706e82SJiri Benc struct ieee80211_if_ap ap; 903f0706e82SJiri Benc struct ieee80211_if_wds wds; 904f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 90546900298SJohannes Berg struct ieee80211_if_managed mgd; 90646900298SJohannes Berg struct ieee80211_if_ibss ibss; 907472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 908239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 9098cc9a739SMichael Wu u32 mntr_flags; 910f0706e82SJiri Benc } u; 911e9f207f0SJiri Benc 912e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 913e9f207f0SJiri Benc struct { 914295bafb4SBen Greear struct dentry *subdir_stations; 915f7e0104cSJohannes Berg struct dentry *default_unicast_key; 916f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9173cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 9187bcfaf2fSJohannes Berg } debugfs; 919e9f207f0SJiri Benc #endif 920529ba6e9SJohannes Berg 92132bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 92232bfd35dSJohannes Berg struct ieee80211_vif vif; 923f0706e82SJiri Benc }; 924f0706e82SJiri Benc 92532bfd35dSJohannes Berg static inline 92632bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 92732bfd35dSJohannes Berg { 92832bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 92932bfd35dSJohannes Berg } 93032bfd35dSJohannes Berg 9318d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 9328d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 9338d61ffa5SJohannes Berg { 9348d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 9358d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 9368d61ffa5SJohannes Berg } 9378d61ffa5SJohannes Berg 9388d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 9398d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 9408d61ffa5SJohannes Berg { 9418d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 9428d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 9438d61ffa5SJohannes Berg } 9448d61ffa5SJohannes Berg 9457ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 9467ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 9477ca133bcSSimon Wunderlich 9488d61ffa5SJohannes Berg static inline void 9498d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 9508d61ffa5SJohannes Berg { 9518d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 9528d61ffa5SJohannes Berg } 9538d61ffa5SJohannes Berg 95455de908aSJohannes Berg static inline enum ieee80211_band 95555de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 95655de908aSJohannes Berg { 95755de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 95855de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 95955de908aSJohannes Berg 96055de908aSJohannes Berg rcu_read_lock(); 96155de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 96255de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 9634bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 96455de908aSJohannes Berg rcu_read_unlock(); 96555de908aSJohannes Berg 96655de908aSJohannes Berg return band; 96755de908aSJohannes Berg } 96855de908aSJohannes Berg 969438b61b7SSimon Wunderlich static inline int 970438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 971438b61b7SSimon Wunderlich { 972438b61b7SSimon Wunderlich switch (chandef->width) { 973438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 974438b61b7SSimon Wunderlich return 2; 975438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 976438b61b7SSimon Wunderlich return 1; 977438b61b7SSimon Wunderlich default: 978438b61b7SSimon Wunderlich return 0; 979438b61b7SSimon Wunderlich } 980438b61b7SSimon Wunderlich } 981438b61b7SSimon Wunderlich 982438b61b7SSimon Wunderlich static inline int 983438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 984438b61b7SSimon Wunderlich { 985438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 986438b61b7SSimon Wunderlich int shift = 0; 987438b61b7SSimon Wunderlich 988438b61b7SSimon Wunderlich rcu_read_lock(); 989438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 990438b61b7SSimon Wunderlich if (chanctx_conf) 991438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 992438b61b7SSimon Wunderlich rcu_read_unlock(); 993438b61b7SSimon Wunderlich 994438b61b7SSimon Wunderlich return shift; 995438b61b7SSimon Wunderlich } 996438b61b7SSimon Wunderlich 99708cf42e8SMichal Kazior struct ieee80211_rx_agg { 99808cf42e8SMichal Kazior u8 addr[ETH_ALEN]; 99908cf42e8SMichal Kazior u16 tid; 100008cf42e8SMichal Kazior }; 100108cf42e8SMichal Kazior 1002c1475ca9SJohannes Berg enum sdata_queue_type { 1003c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 1004c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 1005c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 100608cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_START = 3, 100708cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4, 1008c1475ca9SJohannes Berg }; 1009c1475ca9SJohannes Berg 1010f0706e82SJiri Benc enum { 1011f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1012f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1013f0706e82SJiri Benc }; 1014f0706e82SJiri Benc 1015ce7c9111SKalle Valo enum queue_stop_reason { 1016ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1017520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 101896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 101996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 102025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10218f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10226c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1023445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1024db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1025b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1026cca07b00SLuciano Coelho 1027cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1028ce7c9111SKalle Valo }; 1029ce7c9111SKalle Valo 103065a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1031e1e54068SJohannes Berg struct tpt_led_trigger { 1032e1e54068SJohannes Berg char name[32]; 1033e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1034e1e54068SJohannes Berg unsigned int blink_table_len; 1035e1e54068SJohannes Berg struct timer_list timer; 1036e1e54068SJohannes Berg unsigned long prev_traffic; 1037e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 103867408c8cSJohannes Berg unsigned int active, want; 103967408c8cSJohannes Berg bool running; 1040e1e54068SJohannes Berg }; 104165a6538aSLuciano Coelho #endif 1042e1e54068SJohannes Berg 1043142b9f50SHelmut Schaa /** 1044142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1045142b9f50SHelmut Schaa * 1046142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1047142b9f50SHelmut Schaa * well be on the operating channel 1048142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1049142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10508a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10518a690674SBen Greear * channel. This should not interrupt normal traffic. 10528789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10538789d459SJohannes Berg * that the scan completed. 10548789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10558789d459SJohannes Berg * a scan complete for an aborted scan. 1056a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1057a754055aSEmmanuel Grumbach * cancelled. 1058142b9f50SHelmut Schaa */ 1059fbe9c429SHelmut Schaa enum { 1060fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1061142b9f50SHelmut Schaa SCAN_HW_SCANNING, 10628a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 10638789d459SJohannes Berg SCAN_COMPLETED, 10648789d459SJohannes Berg SCAN_ABORTED, 1065a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1066142b9f50SHelmut Schaa }; 1067142b9f50SHelmut Schaa 1068142b9f50SHelmut Schaa /** 1069142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1070142b9f50SHelmut Schaa * 1071142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1072142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1073142b9f50SHelmut Schaa * operating channel 1074142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1075142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 107607ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 107707ef03eeSJohannes Berg * send out data 107807ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1079cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1080142b9f50SHelmut Schaa */ 1081142b9f50SHelmut Schaa enum mac80211_scan_state { 1082142b9f50SHelmut Schaa SCAN_DECISION, 1083142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1084142b9f50SHelmut Schaa SCAN_SEND_PROBE, 108507ef03eeSJohannes Berg SCAN_SUSPEND, 108607ef03eeSJohannes Berg SCAN_RESUME, 1087cd2bb512SSam Leffler SCAN_ABORT, 1088fbe9c429SHelmut Schaa }; 1089fbe9c429SHelmut Schaa 1090f0706e82SJiri Benc struct ieee80211_local { 1091f0706e82SJiri Benc /* embed the driver visible part. 1092f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1093f0706e82SJiri Benc * it first anyway so they become a no-op */ 1094f0706e82SJiri Benc struct ieee80211_hw hw; 1095f0706e82SJiri Benc 1096f0706e82SJiri Benc const struct ieee80211_ops *ops; 1097f0706e82SJiri Benc 109842935ecaSLuis R. Rodriguez /* 109942935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 110042935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 110142935ecaSLuis R. Rodriguez */ 110242935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 110342935ecaSLuis R. Rodriguez 1104e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1105cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 110696f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1107ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 110896f5e66eSJohannes Berg 1109f0706e82SJiri Benc int open_count; 11103d30d949SMichael Wu int monitors, cooked_mntrs; 11118cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11127be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11137be5086dSJohannes Berg fif_probe_req; 11147be5086dSJohannes Berg int probe_req_reg; 11154150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11163b8d81e0SJohannes Berg 11173ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11183ffc2a90SJohannes Berg 1119fe57d9f5SJohannes Berg bool use_chanctx; 1120fe57d9f5SJohannes Berg 11213b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11223b8d81e0SJohannes Berg spinlock_t filter_lock; 11233b8d81e0SJohannes Berg 11243ac64beeSJohannes Berg /* used for uploading changed mc list */ 11253ac64beeSJohannes Berg struct work_struct reconfig_filter; 11263ac64beeSJohannes Berg 11273b8d81e0SJohannes Berg /* aggregated multicast list */ 112822bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11293b8d81e0SJohannes Berg 1130d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11315bb644a0SJohannes Berg 11325bb644a0SJohannes Berg /* 11335bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11345bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11355bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11365bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11375bb644a0SJohannes Berg */ 11385bb644a0SJohannes Berg bool suspended; 11395bb644a0SJohannes Berg 11405bb644a0SJohannes Berg /* 1141ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1142ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1143ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1144ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1145ceb99fe0SJohannes Berg */ 1146ceb99fe0SJohannes Berg bool resuming; 1147ceb99fe0SJohannes Berg 1148ceb99fe0SJohannes Berg /* 11495bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 11505bb644a0SJohannes Berg * ease timer cancelling etc. 11515bb644a0SJohannes Berg */ 11525bb644a0SJohannes Berg bool quiescing; 11535bb644a0SJohannes Berg 1154ea77f12fSJohannes Berg /* device is started */ 1155ea77f12fSJohannes Berg bool started; 1156ea77f12fSJohannes Berg 115704800adaSArik Nemtsov /* device is during a HW reconfig */ 115804800adaSArik Nemtsov bool in_reconfig; 115904800adaSArik Nemtsov 1160eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1161eecc4800SJohannes Berg bool wowlan; 1162eecc4800SJohannes Berg 1163164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1164164eb02dSSimon Wunderlich 116504ecd257SJohannes Berg /* number of RX chains the hardware has */ 116604ecd257SJohannes Berg u8 rx_chains; 116704ecd257SJohannes Berg 1168b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1169f0706e82SJiri Benc 1170f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1171f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1172f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1173f0706e82SJiri Benc * queues increases over the limit. */ 1174f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1175f0706e82SJiri Benc struct tasklet_struct tasklet; 1176f0706e82SJiri Benc struct sk_buff_head skb_queue; 1177f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1178f0706e82SJiri Benc 1179f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 118024a8fdadSChristian Lamparter 1181d0709a65SJohannes Berg /* Station data */ 1182d0709a65SJohannes Berg /* 11834d33960bSJohannes Berg * The mutex only protects the list, hash table and 11844d33960bSJohannes Berg * counter, reads are done with RCU. 1185d0709a65SJohannes Berg */ 118634e89507SJohannes Berg struct mutex sta_mtx; 11874d33960bSJohannes Berg spinlock_t tim_lock; 1188d0709a65SJohannes Berg unsigned long num_sta; 11894d33960bSJohannes Berg struct list_head sta_list; 11907bedd0cfSJohannes Berg struct rhashtable sta_hash; 1191f0706e82SJiri Benc struct timer_list sta_cleanup; 1192f5ea9120SJohannes Berg int sta_generation; 1193f0706e82SJiri Benc 11942a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1195f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1196f0706e82SJiri Benc 1197a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1198cd8ffc80SJohannes Berg 1199df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1200df140465SJohannes Berg atomic_t iff_allmultis; 1201f0706e82SJiri Benc 1202f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1203f0706e82SJiri Benc 12045f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 12055f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1206f0706e82SJiri Benc u32 wep_iv; 1207f0706e82SJiri Benc 1208c771c9d8SJohannes Berg /* see iface.c */ 120979010420SJohannes Berg struct list_head interfaces; 1210c771c9d8SJohannes Berg struct mutex iflist_mtx; 121179010420SJohannes Berg 1212b16bd15cSJohannes Berg /* 1213ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1214b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1215b16bd15cSJohannes Berg */ 1216ad0e2b5aSJohannes Berg struct mutex key_mtx; 1217b16bd15cSJohannes Berg 1218a1699b75SJohannes Berg /* mutex for scan and work locking */ 1219a1699b75SJohannes Berg struct mutex mtx; 1220b16bd15cSJohannes Berg 1221c2b13452SJohannes Berg /* Scanning and BSS list */ 1222fbe9c429SHelmut Schaa unsigned long scanning; 12232a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12245ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12256ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1226c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12277ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 12284d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1229f0706e82SJiri Benc int scan_channel_idx; 1230de95a54bSJohannes Berg int scan_ies_len; 1231c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12328318d78aSJohannes Berg 123385a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12345260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12356ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1236a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 123779f460caSLuciano Coelho 1238df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1239977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1240f0706e82SJiri Benc struct delayed_work scan_work; 1241e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 124255de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1243675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1244f0706e82SJiri Benc 1245b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1246b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1247b8bc4b0aSJohannes Berg 1248d01a1e65SMichal Kazior /* channel contexts */ 1249d01a1e65SMichal Kazior struct list_head chanctx_list; 1250d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1251d01a1e65SMichal Kazior 1252c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 12538d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 12548d5c2585SJohannes Berg struct led_trigger tpt_led; 12558d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 12568d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1257c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1258c206ca67SJohannes Berg #endif 1259c206ca67SJohannes Berg 1260c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1261f0706e82SJiri Benc /* SNMP counters */ 1262f0706e82SJiri Benc /* dot11CountersTable */ 1263f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1264f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1265f0706e82SJiri Benc u32 dot11FailedCount; 1266f0706e82SJiri Benc u32 dot11RetryCount; 1267f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1268f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1269f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1270f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1271f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1272f0706e82SJiri Benc 1273f0706e82SJiri Benc /* TX/RX handler statistics */ 1274f0706e82SJiri Benc unsigned int tx_handlers_drop; 1275f0706e82SJiri Benc unsigned int tx_handlers_queued; 1276f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1277f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1278f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1279f0706e82SJiri Benc unsigned int rx_handlers_drop; 1280f0706e82SJiri Benc unsigned int rx_handlers_queued; 1281f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1282f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1283f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1284f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1285f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1286f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1287f0706e82SJiri Benc unsigned int tx_status_drop; 1288f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1289f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1290f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1291f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1292f0706e82SJiri Benc 1293f0706e82SJiri Benc 1294f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1295f0706e82SJiri Benc * multicast packets for power saving stations 1296f0706e82SJiri Benc */ 1297520eb820SKalle Valo 1298572e0012SKalle Valo bool pspolling; 1299b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1300965bedadSJohannes Berg /* 1301965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1302965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1303965bedadSJohannes Berg */ 1304965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1305520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1306520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1307520eb820SKalle Valo struct timer_list dynamic_ps_timer; 13082b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1309a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1310f0706e82SJiri Benc 1311ff616381SJuuso Oikarinen /* 1312ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1313ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1314ff616381SJuuso Oikarinen */ 1315ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1316ff616381SJuuso Oikarinen 13171ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13182bf30fabSJohannes Berg 13190f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13200f78231bSJohannes Berg 1321f2753ddbSJohannes Berg struct work_struct restart_work; 1322f2753ddbSJohannes Berg 1323e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1324e9f207f0SJiri Benc struct local_debugfsdentries { 13254b7679a5SJohannes Berg struct dentry *rcdir; 1326e9f207f0SJiri Benc struct dentry *keys; 1327e9f207f0SJiri Benc } debugfs; 1328e9f207f0SJiri Benc #endif 13294e6cbfd0SJohn W. Linville 13302eb278e0SJohannes Berg /* 13312eb278e0SJohannes Berg * Remain-on-channel support 13322eb278e0SJohannes Berg */ 1333aaa016ccSJohannes Berg struct delayed_work roc_work; 13342eb278e0SJohannes Berg struct list_head roc_list; 133521f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13362eb278e0SJohannes Berg unsigned long hw_roc_start_time; 133750febf6aSJohannes Berg u64 roc_cookie_counter; 133821f83589SJohannes Berg 1339a729cff8SJohannes Berg struct idr ack_status_frames; 1340a729cff8SJohannes Berg spinlock_t ack_status_lock; 1341a729cff8SJohannes Berg 1342f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1343f142c6b9SJohannes Berg 13444b6f1dd6SJohannes Berg /* virtual monitor interface */ 13454b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 13464bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1347e9a21949SLuciano Coelho 1348e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1349e9a21949SLuciano Coelho u8 ext_capa[8]; 1350c8ff71e6SArik Nemtsov 1351c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1352c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1353c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1354f0706e82SJiri Benc }; 1355f0706e82SJiri Benc 13563e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 13573e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 13583e122be0SJohannes Berg { 13593e122be0SJohannes Berg return netdev_priv(dev); 13603e122be0SJohannes Berg } 13613e122be0SJohannes Berg 136271bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 136371bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 136471bbc994SJohannes Berg { 136571bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 136671bbc994SJohannes Berg } 136771bbc994SJohannes Berg 1368c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1369eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1370eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1371eadc8d9eSRon Rindjunsky u16 tid; 1372eadc8d9eSRon Rindjunsky }; 1373eadc8d9eSRon Rindjunsky 1374c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1375c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1376c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1377c0f17eb9SChun-Yeow Yeoh u8 mode; 1378c0f17eb9SChun-Yeow Yeoh u8 count; 1379c0f17eb9SChun-Yeow Yeoh u8 ttl; 13803f718fd8SChun-Yeow Yeoh u16 pre_value; 1381c0f17eb9SChun-Yeow Yeoh }; 1382c0f17eb9SChun-Yeow Yeoh 1383dd76986bSJohannes Berg /* Parsed Information Elements */ 1384dd76986bSJohannes Berg struct ieee802_11_elems { 13854a3cb702SJohannes Berg const u8 *ie_start; 1386dd76986bSJohannes Berg size_t total_len; 1387dd76986bSJohannes Berg 1388dd76986bSJohannes Berg /* pointers to IEs */ 138953837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 139053837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 13919041c1faSArik Nemtsov const u8 *ext_capab; 13924a3cb702SJohannes Berg const u8 *ssid; 13934a3cb702SJohannes Berg const u8 *supp_rates; 13944a3cb702SJohannes Berg const u8 *ds_params; 13954a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 13964a3cb702SJohannes Berg const u8 *challenge; 13974a3cb702SJohannes Berg const u8 *rsn; 13984a3cb702SJohannes Berg const u8 *erp_info; 13994a3cb702SJohannes Berg const u8 *ext_supp_rates; 14004a3cb702SJohannes Berg const u8 *wmm_info; 14014a3cb702SJohannes Berg const u8 *wmm_param; 14024a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14034a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14044a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14054a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14064a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 14074a3cb702SJohannes Berg const u8 *mesh_id; 14084a3cb702SJohannes Berg const u8 *peering; 14094a3cb702SJohannes Berg const __le16 *awake_window; 14104a3cb702SJohannes Berg const u8 *preq; 14114a3cb702SJohannes Berg const u8 *prep; 14124a3cb702SJohannes Berg const u8 *perr; 14134a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14144a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1415b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1416b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 14174a3cb702SJohannes Berg const u8 *country_elem; 14184a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1419c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 142079ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 14214a3cb702SJohannes Berg const u8 *opmode_notif; 142285220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 14238f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1424dd76986bSJohannes Berg 1425dd76986bSJohannes Berg /* length of them, respectively */ 14269041c1faSArik Nemtsov u8 ext_capab_len; 1427dd76986bSJohannes Berg u8 ssid_len; 1428dd76986bSJohannes Berg u8 supp_rates_len; 1429dd76986bSJohannes Berg u8 tim_len; 1430dd76986bSJohannes Berg u8 challenge_len; 1431dd76986bSJohannes Berg u8 rsn_len; 1432dd76986bSJohannes Berg u8 ext_supp_rates_len; 1433dd76986bSJohannes Berg u8 wmm_info_len; 1434dd76986bSJohannes Berg u8 wmm_param_len; 1435dd76986bSJohannes Berg u8 mesh_id_len; 1436dd76986bSJohannes Berg u8 peering_len; 1437dd76986bSJohannes Berg u8 preq_len; 1438dd76986bSJohannes Berg u8 prep_len; 1439dd76986bSJohannes Berg u8 perr_len; 1440dd76986bSJohannes Berg u8 country_elem_len; 1441fcff4f10SPaul Stewart 1442fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1443fcff4f10SPaul Stewart bool parse_error; 1444dd76986bSJohannes Berg }; 1445dd76986bSJohannes Berg 1446f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1447f0706e82SJiri Benc struct ieee80211_hw *hw) 1448f0706e82SJiri Benc { 1449f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1450f0706e82SJiri Benc } 1451f0706e82SJiri Benc 1452ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1453ba8c3d6fSFelix Fietkau { 1454ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1455ba8c3d6fSFelix Fietkau } 1456f0706e82SJiri Benc 1457571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1458571ecf67SJohannes Berg { 1459b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1460571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1461571ecf67SJohannes Berg } 1462571ecf67SJohannes Berg 1463f4bda337SThomas Pedersen static inline bool 1464f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1465f4bda337SThomas Pedersen { 1466f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1467f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1468f4a0f0c5SJohannes Berg if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END)) 1469f4a0f0c5SJohannes Berg return true; 1470f4a0f0c5SJohannes Berg /* can't handle HT/VHT preamble yet */ 1471f4a0f0c5SJohannes Berg if (status->flag & RX_FLAG_MACTIME_PLCP_START && 1472f4a0f0c5SJohannes Berg !(status->flag & (RX_FLAG_HT | RX_FLAG_VHT))) 1473f4a0f0c5SJohannes Berg return true; 1474f4a0f0c5SJohannes Berg return false; 1475f4bda337SThomas Pedersen } 1476571ecf67SJohannes Berg 1477f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1478f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1479f4bda337SThomas Pedersen unsigned int mpdu_len, 1480f4bda337SThomas Pedersen unsigned int mpdu_offset); 1481e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 14825cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 14839c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 14849c6bd790SJohannes Berg u32 changed); 14850d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 148646900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1487f0706e82SJiri Benc 1488a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 14895ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 14905ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1491a2fcfccbSJohannes Berg 149246900298SJohannes Berg /* STA code */ 14939c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 149477fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 149577fdaa12SJohannes Berg struct cfg80211_auth_request *req); 149677fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 149777fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 149877fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 149963c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 150077fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 150163c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1502572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1503572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 15044a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1505ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 15062b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 15071fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 15081fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15091fa57d01SJohannes Berg struct sk_buff *skb); 1510d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1511be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1512afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 15131672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 15141672c0e3SJohannes Berg __le16 fc, bool acked); 15151a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1516b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 151702219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 15189c6bd790SJohannes Berg 151946900298SJohannes Berg /* IBSS code */ 152046900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 152146900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 15228bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 15238bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1524af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1525af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1526af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 15271fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 15281fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15291fa57d01SJohannes Berg struct sk_buff *skb); 1530cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1531cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1532cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1533cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 15341fa57d01SJohannes Berg 1535239281f8SRostislav Lisovy /* OCB code */ 1536239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1537239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1538239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1539239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1540239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1541239281f8SRostislav Lisovy struct ocb_setup *setup); 1542239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1543239281f8SRostislav Lisovy 15441fa57d01SJohannes Berg /* mesh code */ 15451fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 15461fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15471fa57d01SJohannes Berg struct sk_buff *skb); 1548b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 154966e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1550b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 155146900298SJohannes Berg 15529c6bd790SJohannes Berg /* scan/BSS handling */ 155346900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 155434bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1555be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 155676bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 155776bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 15587ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1559c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 15602a519311SJohannes Berg struct cfg80211_scan_request *req); 15615bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1562133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1563d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 15649c6bd790SJohannes Berg 15650a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1566c2b13452SJohannes Berg struct ieee80211_bss * 156798c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 156898c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 156998c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 157098c8fccfSJohannes Berg size_t len, 157198c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1572d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 157398c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1574c2b13452SJohannes Berg struct ieee80211_bss *bss); 1575ee385855SLuis Carlos Cobo 157679f460caSLuciano Coelho /* scheduled scan handling */ 1577d43c6b6eSDavid Spinadel int 1578d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1579d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 158079f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 158179f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 15820d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1583f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 158485a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 158579f460caSLuciano Coelho 1586a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1587aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1588aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 15892eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 15902eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1591c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1592c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1593a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1594a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1595a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1596a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1597a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1598a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1599a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1600a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1601a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1602b203ffc3SJouni Malinen 160373da7d5bSSimon Wunderlich /* channel switch handling */ 160473da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 160582a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 160682a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 160773da7d5bSSimon Wunderlich 16083e122be0SJohannes Berg /* interface handling */ 160947846c9bSJohannes Berg int ieee80211_iface_init(void); 161047846c9bSJohannes Berg void ieee80211_iface_exit(void); 16113e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 16126bab2e19STom Gundersen unsigned char name_assign_type, 161384efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1614ee385855SLuis Carlos Cobo struct vif_params *params); 1615f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 161605c914feSJohannes Berg enum nl80211_iftype type); 1617f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 161875636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1619382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 16205cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 162185416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 162285416a4fSChristian Lamparter const int offset); 1623f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1624f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 16253c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 16263c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1627f0706e82SJiri Benc 16281ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1629db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1630db82d8a9SLorenzo Bianconi bool update_bss); 16311ea6f9c0SJohannes Berg 16329607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 16339607e6b6SJohannes Berg { 163434d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 16359607e6b6SJohannes Berg } 16369607e6b6SJohannes Berg 1637e2ebc74dSJohannes Berg /* tx handling */ 1638e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1639e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1640d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1641d0cf9c0dSStephen Hemminger struct net_device *dev); 1642d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1643d0cf9c0dSStephen Hemminger struct net_device *dev); 164424d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 164524d342c5SLiad Kaufman struct net_device *dev, 164624d342c5SLiad Kaufman u32 info_flags); 16471f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 16481f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 16497528ec57SJohannes Berg struct sk_buff * 16507528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 16517528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 16524dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 16534dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 16544dc792b8SHelmut Schaa int retry_count, int shift, bool send_to_cooked); 1655e2ebc74dSJohannes Berg 165617c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 165717c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 165817c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 165917c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 166017c18bf8SJohannes Berg 1661de1ede7aSJohannes Berg /* HT */ 1662ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1663ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1664e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1665ef96a842SBen Greear struct ieee80211_supported_band *sband, 16664a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1667e1a0c6b3SJohannes Berg struct sta_info *sta); 1668b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1669b8695a8fSJohannes Berg const u8 *da, u16 tid, 1670b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 16710f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 16720f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 16730f78231bSJohannes Berg const u8 *bssid); 1674687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1675687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1676687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1677687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1678de1ede7aSJohannes Berg 16797c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 168053f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1681849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 168253f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 168308cf42e8SMichal Kazior void __ieee80211_start_rx_ba_session(struct sta_info *sta, 168408cf42e8SMichal Kazior u8 dialog_token, u16 timeout, 168508cf42e8SMichal Kazior u16 start_seq_num, u16 ba_policy, u16 tid, 16864549cf2bSMichal Kazior u16 buf_size, bool tx, bool auto_seq); 1687c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1688c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1689de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1690de1ede7aSJohannes Berg struct sta_info *sta, 1691de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1692de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1693de1ede7aSJohannes Berg struct sta_info *sta, 1694de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1695de1ede7aSJohannes Berg size_t len); 1696de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1697de1ede7aSJohannes Berg struct sta_info *sta, 1698de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1699de1ede7aSJohannes Berg size_t len); 1700de1ede7aSJohannes Berg 1701849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1702c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 170367c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1704c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 17055d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 17065d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 170767c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 170867c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 17092bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1710849b7967SJohannes Berg 171104ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 171204ecd257SJohannes Berg 1713818255eaSMahesh Palivela /* VHT */ 17144a3cb702SJohannes Berg void 17154a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1716818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 17174a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 17184a34215eSJohannes Berg struct sta_info *sta); 17191c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1720e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 17218921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 172259021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 172359021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 172459021c67SArik Nemtsov enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); 172559021c67SArik Nemtsov void ieee80211_sta_set_rx_nss(struct sta_info *sta); 172623a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 172723a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 1728b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1729b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 1730cf1e05c6SEyal Shapira enum ieee80211_band band); 17310af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 17320af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1733cf1e05c6SEyal Shapira enum ieee80211_band band); 1734dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1735dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1736b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1737b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 17384a34215eSJohannes Berg 173939192c0bSJohannes Berg /* Spectrum management */ 174039192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 174139192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 174239192c0bSJohannes Berg size_t len); 1743e6b7cde4SSimon Wunderlich /** 1744e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1745e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1746e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1747e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1748e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1749e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1750e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1751e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1752e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1753e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1754e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1755c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1756c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1757e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1758e6b7cde4SSimon Wunderlich */ 1759e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 176084469a45SLuciano Coelho struct ieee802_11_elems *elems, 1761e6b7cde4SSimon Wunderlich enum ieee80211_band current_band, 1762c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1763c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 176439192c0bSJohannes Berg 1765f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1766f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 176784f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1768f2753ddbSJohannes Berg 1769eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1770eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1771f2753ddbSJohannes Berg 1772f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1773f2753ddbSJohannes Berg { 177485f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 177585f72bc8SJohn W. Linville 17769120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 17779120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 177885f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 177985f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 178085f72bc8SJohn W. Linville 1781f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1782f2753ddbSJohannes Berg } 1783665af4fcSBob Copeland 1784c2d1560aSJohannes Berg /* utility functions/constants */ 17858a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 17864ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1787438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1788438b61b7SSimon Wunderlich int shift); 17893abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 1790cec66283SJohannes Berg bool bss_notify, bool enable_qos); 17917c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 17927c10770fSJohannes Berg struct sta_info *sta, struct sk_buff *skb); 1793cf6bb79aSHelmut Schaa 179455de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 179555de908aSJohannes Berg struct sk_buff *skb, int tid, 179655de908aSJohannes Berg enum ieee80211_band band); 179755de908aSJohannes Berg 179855de908aSJohannes Berg static inline void 179955de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 180055de908aSJohannes Berg struct sk_buff *skb, int tid, 180155de908aSJohannes Berg enum ieee80211_band band) 180255de908aSJohannes Berg { 180355de908aSJohannes Berg rcu_read_lock(); 180455de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 180555de908aSJohannes Berg rcu_read_unlock(); 180655de908aSJohannes Berg } 180755de908aSJohannes Berg 180855de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 180955de908aSJohannes Berg struct sk_buff *skb, int tid) 181055de908aSJohannes Berg { 181155de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 181255de908aSJohannes Berg 181355de908aSJohannes Berg rcu_read_lock(); 181455de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 181555de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 181655de908aSJohannes Berg rcu_read_unlock(); 181755de908aSJohannes Berg kfree_skb(skb); 181855de908aSJohannes Berg return; 181955de908aSJohannes Berg } 182055de908aSJohannes Berg 182155de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 18224bf88530SJohannes Berg chanctx_conf->def.chan->band); 182355de908aSJohannes Berg rcu_read_unlock(); 182455de908aSJohannes Berg } 182555de908aSJohannes Berg 182655de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1827cf6bb79aSHelmut Schaa struct sk_buff *skb) 1828cf6bb79aSHelmut Schaa { 1829cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1830cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1831cf6bb79aSHelmut Schaa } 1832cf6bb79aSHelmut Schaa 183335d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1834d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1835d91f36dbSJohannes Berg u64 filter, u32 crc); 183635d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 183735d865afSJohannes Berg bool action, 1838ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1839ddc4db2eSJohannes Berg { 1840b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1841ddc4db2eSJohannes Berg } 1842ddc4db2eSJohannes Berg 184383eb935eSMichal Kazior 184402219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 184502219b3aSJohannes Berg 184602219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 184702219b3aSJohannes Berg { 184802219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 184902219b3aSJohannes Berg } 185002219b3aSJohannes Berg 1851520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1852520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1853520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1854a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1855a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1856076cdcb1SJohannes Berg bool powersave); 18573cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 18583cf335d5SKalle Valo struct ieee80211_hdr *hdr); 18594e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 186002219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 1861520eb820SKalle Valo 1862ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1863445ea4e8SJohannes Berg unsigned long queues, 1864cca07b00SLuciano Coelho enum queue_stop_reason reason, 1865cca07b00SLuciano Coelho bool refcounted); 186626da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 186726da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 186826da23b6SLuciano Coelho enum queue_stop_reason reason); 186926da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 187026da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 187126da23b6SLuciano Coelho enum queue_stop_reason reason); 1872ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1873445ea4e8SJohannes Berg unsigned long queues, 1874cca07b00SLuciano Coelho enum queue_stop_reason reason, 1875cca07b00SLuciano Coelho bool refcounted); 187696f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 1877cca07b00SLuciano Coelho enum queue_stop_reason reason, 1878cca07b00SLuciano Coelho bool refcounted); 187996f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 1880cca07b00SLuciano Coelho enum queue_stop_reason reason, 1881cca07b00SLuciano Coelho bool refcounted); 18823a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 18838f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 18848f77f384SJohannes Berg struct sk_buff *skb); 1885e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 1886e3685e03SJohannes Berg struct sk_buff_head *skbs); 188739ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 18883b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 18894f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 18904f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 18913b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 1892ce7c9111SKalle Valo 18934afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 18944afaff17SEmmanuel Grumbach { 18954afaff17SEmmanuel Grumbach /* 18964afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 18974afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 18984afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 18994afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 19004afaff17SEmmanuel Grumbach */ 19014afaff17SEmmanuel Grumbach if (local->quiescing) 19024afaff17SEmmanuel Grumbach return false; 19034afaff17SEmmanuel Grumbach 19044afaff17SEmmanuel Grumbach /* 19054afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 19064afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 19074afaff17SEmmanuel Grumbach * 19084afaff17SEmmanuel Grumbach * if (local->quiescing) 19094afaff17SEmmanuel Grumbach * return; 19104afaff17SEmmanuel Grumbach * local->quiescing = true; 19114afaff17SEmmanuel Grumbach * flush_workqueue(); 19124afaff17SEmmanuel Grumbach * queue_work(...); 19134afaff17SEmmanuel Grumbach * local->suspended = true; 19144afaff17SEmmanuel Grumbach * local->quiescing = false; 19154afaff17SEmmanuel Grumbach * worker starts running... 19164afaff17SEmmanuel Grumbach */ 19174afaff17SEmmanuel Grumbach if (local->suspended) 19184afaff17SEmmanuel Grumbach return false; 19194afaff17SEmmanuel Grumbach 19204afaff17SEmmanuel Grumbach return true; 19214afaff17SEmmanuel Grumbach } 19224afaff17SEmmanuel Grumbach 1923ba8c3d6fSFelix Fietkau void ieee80211_init_tx_queue(struct ieee80211_sub_if_data *sdata, 1924ba8c3d6fSFelix Fietkau struct sta_info *sta, 1925ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 192646900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1927700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 19284a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 19291672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 19301672c0e3SJohannes Berg u32 tx_flags); 19316ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 19326ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 19336ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1934de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1935c56ef672SDavid Spinadel size_t buffer_len, 1936c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 1937c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 1938c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 19392103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 1940a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 1941a344d677SJohannes Berg const u8 *src, const u8 *dst, 1942a344d677SJohannes Berg u32 ratemask, 19436b77863bSJohannes Berg struct ieee80211_channel *chan, 1944a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1945a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1946a806c558SPaul Stewart bool directed); 1947a344d677SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, 1948a344d677SJohannes Berg const u8 *src, const u8 *dst, 1949de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1950a806c558SPaul Stewart const u8 *ie, size_t ie_len, 19511672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 195255de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 195346900298SJohannes Berg 19542103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 195546900298SJohannes Berg struct ieee802_11_elems *elems, 19569ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 1957687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 1958687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 1959687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 19600f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 196104ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 196221f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 196346900298SJohannes Berg 19648e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1965ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 196642e7aa77SAlexander Simon u16 cap); 1967074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 19684bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 196957f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 1970ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1971ba0afa2fSMahesh Palivela u32 cap); 1972fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1973fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 19742103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 19752103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 19762103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 1977fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 19786b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19796b77863bSJohannes Berg enum ieee80211_band band); 1980fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 19816b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19826b77863bSJohannes Berg enum ieee80211_band band); 198340b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 19848e664fb3SJohannes Berg 1985f444de05SJohannes Berg /* channel management */ 19868ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 19874bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 19888ac3c704SJohannes Berg bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper, 1989abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 1990e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 1991f444de05SJohannes Berg 1992d01a1e65SMichal Kazior int __must_check 1993d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 19944bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1995d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 19962c9b7359SJohannes Berg int __must_check 199711335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 199811335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 199909332481SMichal Kazior enum ieee80211_chanctx_mode mode, 200009332481SMichal Kazior bool radar_required); 200111335a55SLuciano Coelho int __must_check 20025bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 200311335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 200411335a55SLuciano Coelho 200511335a55SLuciano Coelho int __must_check 20062c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 20072c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 20082c9b7359SJohannes Berg u32 *changed); 2009d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 20104d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 20111f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 20121f4ac5a6SJohannes Berg bool clear); 2013c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2014c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2015d01a1e65SMichal Kazior 201604ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 201704ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 201821f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 201921f659bfSEliad Peller struct ieee80211_chanctx *ctx); 20205cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2021164eb02dSSimon Wunderlich 2022164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2023164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2024164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2025164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2026c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2027c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 202804ecd257SJohannes Berg 20292475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 20302475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 20312475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 20322475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 20332475b1ccSMax Stepanov enum nl80211_iftype iftype); 20342475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 20352475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 20362475b1ccSMax Stepanov enum nl80211_iftype iftype); 2037057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2038057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 203973de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 204073de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 204173de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 204273de86a3SLuciano Coelho u8 radar_detect); 20436fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 20440fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 20450fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 20460fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 20472475b1ccSMax Stepanov 204895224fe8SArik Nemtsov /* TDLS */ 204995224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 20503b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 205195224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 205231fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 205331fa97c5SArik Nemtsov size_t extra_ies_len); 205495224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 20553b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2056c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2057a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2058a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2059a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2060a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2061a7a6bdd0SArik Nemtsov struct net_device *dev, 2062a7a6bdd0SArik Nemtsov const u8 *addr); 2063d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2064c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 206595224fe8SArik Nemtsov 2066b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2067b7ffbd7eSJohannes Berg 2068f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2069d9e8a70fSJohannes Berg #define debug_noinline noinline 2070d9e8a70fSJohannes Berg #else 2071d9e8a70fSJohannes Berg #define debug_noinline 2072d9e8a70fSJohannes Berg #endif 2073d9e8a70fSJohannes Berg 2074f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2075