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> 642bd20d9SAviya Erenfeld * Copyright 2013-2015 Intel Mobile Communications GmbH 74abb52a4SSara Sharon * Copyright (C) 2018-2019 Intel Corporation 8f0706e82SJiri Benc * 9f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 10f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 11f0706e82SJiri Benc * published by the Free Software Foundation. 12f0706e82SJiri Benc */ 13f0706e82SJiri Benc 14f0706e82SJiri Benc #ifndef IEEE80211_I_H 15f0706e82SJiri Benc #define IEEE80211_I_H 16f0706e82SJiri Benc 17f0706e82SJiri Benc #include <linux/kernel.h> 18f0706e82SJiri Benc #include <linux/device.h> 19f0706e82SJiri Benc #include <linux/if_ether.h> 20f0706e82SJiri Benc #include <linux/interrupt.h> 21f0706e82SJiri Benc #include <linux/list.h> 22f0706e82SJiri Benc #include <linux/netdevice.h> 23f0706e82SJiri Benc #include <linux/skbuff.h> 24f0706e82SJiri Benc #include <linux/workqueue.h> 25f0706e82SJiri Benc #include <linux/types.h> 26f0706e82SJiri Benc #include <linux/spinlock.h> 27571ecf67SJohannes Berg #include <linux/etherdevice.h> 28e1e54068SJohannes Berg #include <linux/leds.h> 29a729cff8SJohannes Berg #include <linux/idr.h> 307bedd0cfSJohannes Berg #include <linux/rhashtable.h> 31fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 3293da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3351cb6db0SDavid S. Miller #include <net/mac80211.h> 34fa962b92SMichal Kazior #include <net/fq.h> 352c8dccc7SJohannes Berg #include "key.h" 36f0706e82SJiri Benc #include "sta_info.h" 37bdcbd8e0SJohannes Berg #include "debug.h" 38f0706e82SJiri Benc 393beea351SJohannes Berg extern const struct cfg80211_ops mac80211_config_ops; 403beea351SJohannes Berg 419cfb0009SJohannes Berg struct ieee80211_local; 42f0706e82SJiri Benc 43f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 44f0706e82SJiri Benc * associated stations are using power saving. */ 45f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 46f0706e82SJiri Benc 47f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 48f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 49f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 50f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 51f0706e82SJiri Benc 52f0706e82SJiri Benc /* Required encryption head and tailroom */ 53f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 54765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 55f0706e82SJiri Benc 56f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 57f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 58f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 59f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 60f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 61f0706e82SJiri Benc 621ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 631ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 641ea6f9c0SJohannes Berg 65d6a4ed6fSArik Nemtsov /* 66aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 67aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 68aa75ebc2SMichal Kazior * enough. 69aa75ebc2SMichal Kazior * 70aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 71aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 72aa75ebc2SMichal Kazior * 73aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 74aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 75aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 76aa75ebc2SMichal Kazior * accidentally after a long time. 77aa75ebc2SMichal Kazior * 78aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 79aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 80aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 81aa75ebc2SMichal Kazior * frame support doesn't make much sense. 82d6a4ed6fSArik Nemtsov */ 83aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 84ab13315aSKalle Valo 85ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 86ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 87ab13315aSKalle Valo 88f438ceb8SEmmanuel Grumbach extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS]; 89f438ceb8SEmmanuel Grumbach 906ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 916ae16775SAntonio Quartulli 92167e33f4SAyala Beker #define IEEE80211_MAX_NAN_INSTANCE_ID 255 93167e33f4SAyala Beker 94f0706e82SJiri Benc struct ieee80211_fragment_entry { 95f0706e82SJiri Benc struct sk_buff_head skb_list; 9669f13223SJohannes Berg unsigned long first_frag_time; 9769f13223SJohannes Berg u16 seq; 9869f13223SJohannes Berg u16 extra_len; 9969f13223SJohannes Berg u16 last_frag; 10069f13223SJohannes Berg u8 rx_queue; 1019acc54beSJohannes Berg bool check_sequential_pn; /* needed for CCMP/GCMP */ 102f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 103f0706e82SJiri Benc }; 104f0706e82SJiri Benc 105f0706e82SJiri Benc 106c2b13452SJohannes Berg struct ieee80211_bss { 107ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 1088c358bcdSJohannes Berg 10943ac2ca3SJouni Malinen bool wmm_used; 110ab13315aSKalle Valo bool uapsd_supported; 11100d3f14cSJohannes Berg 112f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 113f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 114f0706e82SJiri Benc size_t supp_rates_len; 115817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 116f0706e82SJiri Benc 11700d3f14cSJohannes Berg /* 11825985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1195628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1205628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 12100d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 12200d3f14cSJohannes Berg */ 12300d3f14cSJohannes Berg bool has_erp_value; 1245628221cSDaniel Drake u8 erp_value; 125fcff4f10SPaul Stewart 126fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 127fcff4f10SPaul Stewart u8 corrupt_data; 128fcff4f10SPaul Stewart 129fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 130fcff4f10SPaul Stewart u8 valid_data; 131fcff4f10SPaul Stewart }; 132fcff4f10SPaul Stewart 133fcff4f10SPaul Stewart /** 134fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 135fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 136fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 137fcff4f10SPaul Stewart * 138fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 139fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 140fcff4f10SPaul Stewart */ 141fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 142fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 143fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 144fcff4f10SPaul Stewart }; 145fcff4f10SPaul Stewart 146fcff4f10SPaul Stewart /** 147fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 148fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 149fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 150fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 151fcff4f10SPaul Stewart * 152fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 153fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 154d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 155fcff4f10SPaul Stewart * beacon/probe response. 156fcff4f10SPaul Stewart */ 157fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 158fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 159fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 160fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 161f0706e82SJiri Benc }; 162f0706e82SJiri Benc 1639efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_tx_result; 1649ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1659ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1669ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1679ae54c84SJohannes Berg 168b9771d41SJohannes Berg #define IEEE80211_TX_NO_SEQNO BIT(0) 1695cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1705cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1719ae54c84SJohannes Berg 1725cf121c3SJohannes Berg struct ieee80211_tx_data { 173f0706e82SJiri Benc struct sk_buff *skb; 174252b86c4SJohannes Berg struct sk_buff_head skbs; 175f0706e82SJiri Benc struct ieee80211_local *local; 176f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 177f0706e82SJiri Benc struct sta_info *sta; 178f0706e82SJiri Benc struct ieee80211_key *key; 1790d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1805cf121c3SJohannes Berg 181056cdd59SJohannes Berg unsigned int flags; 1825cf121c3SJohannes Berg }; 1835cf121c3SJohannes Berg 1845cf121c3SJohannes Berg 1859efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_rx_result; 1865cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1875cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1885cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1895cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1905cf121c3SJohannes Berg 191554891e6SJohannes Berg /** 192554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 193554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 194554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1954cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 196554891e6SJohannes Berg * 197554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 198554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 199554891e6SJohannes Berg */ 200554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 201554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 202554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2034cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 204554891e6SJohannes Berg }; 205554891e6SJohannes Berg 206554891e6SJohannes Berg /** 207554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 208554891e6SJohannes Berg * 209554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 210ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 211ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 212554891e6SJohannes Berg * 213554891e6SJohannes Berg * These flags are used across handling multiple interfaces 214554891e6SJohannes Berg * for a single frame. 215554891e6SJohannes Berg */ 216554891e6SJohannes Berg enum ieee80211_rx_flags { 217554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 218ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 219554891e6SJohannes Berg }; 2205cf121c3SJohannes Berg 2215cf121c3SJohannes Berg struct ieee80211_rx_data { 222af9f9b22SJohannes Berg struct napi_struct *napi; 2235cf121c3SJohannes Berg struct sk_buff *skb; 2245cf121c3SJohannes Berg struct ieee80211_local *local; 2255cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2265cf121c3SJohannes Berg struct sta_info *sta; 2275cf121c3SJohannes Berg struct ieee80211_key *key; 228056cdd59SJohannes Berg 229056cdd59SJohannes Berg unsigned int flags; 2309e26297aSJohannes Berg 2319e26297aSJohannes Berg /* 2329e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2339e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2349e26297aSJohannes Berg * will be 16 on non-QoS frames. 2359e26297aSJohannes Berg */ 2369e26297aSJohannes Berg int seqno_idx; 2379e26297aSJohannes Berg 2389e26297aSJohannes Berg /* 2399e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2409e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2419e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2429e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2439e26297aSJohannes Berg */ 2449e26297aSJohannes Berg int security_idx; 2459e26297aSJohannes Berg 24650741ae0SJohannes Berg u32 tkip_iv32; 24750741ae0SJohannes Berg u16 tkip_iv16; 248f0706e82SJiri Benc }; 249f0706e82SJiri Benc 250af296bdbSMichal Kazior struct ieee80211_csa_settings { 251af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 252af296bdbSMichal Kazior const u16 *counter_offsets_presp; 253af296bdbSMichal Kazior 254af296bdbSMichal Kazior int n_counter_offsets_beacon; 255af296bdbSMichal Kazior int n_counter_offsets_presp; 256af296bdbSMichal Kazior 257af296bdbSMichal Kazior u8 count; 258af296bdbSMichal Kazior }; 259af296bdbSMichal Kazior 2605dfdaf58SJohannes Berg struct beacon_data { 2615dfdaf58SJohannes Berg u8 *head, *tail; 2625dfdaf58SJohannes Berg int head_len, tail_len; 26343552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 264af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 265af296bdbSMichal Kazior u8 csa_current_counter; 2668860020eSJohannes Berg struct rcu_head rcu_head; 2675dfdaf58SJohannes Berg }; 2685dfdaf58SJohannes Berg 269aa7a0080SEyal Shapira struct probe_resp { 270aa7a0080SEyal Shapira struct rcu_head rcu_head; 271aa7a0080SEyal Shapira int len; 272af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 273aa7a0080SEyal Shapira u8 data[0]; 274aa7a0080SEyal Shapira }; 275aa7a0080SEyal Shapira 276d012a605SMarco Porsch struct ps_data { 277d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 278d012a605SMarco Porsch * bitmap_empty :) 279d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2805fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2815fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 282d012a605SMarco Porsch struct sk_buff_head bc_buf; 283d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 284d012a605SMarco Porsch int dtim_count; 285d012a605SMarco Porsch bool dtim_bc_mc; 286d012a605SMarco Porsch }; 287d012a605SMarco Porsch 288f0706e82SJiri Benc struct ieee80211_if_ap { 28940b275b6SJohannes Berg struct beacon_data __rcu *beacon; 290aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 291f0706e82SJiri Benc 29273da7d5bSSimon Wunderlich /* to be used after channel switch. */ 29373da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2944e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2950ec3ca44SJohannes Berg 296d012a605SMarco Porsch struct ps_data ps; 297030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 298687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 299687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 300687da132SEmmanuel Grumbach 301687da132SEmmanuel Grumbach struct work_struct request_smps_work; 302ebceec86SMichael Braun bool multicast_to_unicast; 303f0706e82SJiri Benc }; 304f0706e82SJiri Benc 305f0706e82SJiri Benc struct ieee80211_if_wds { 306f0706e82SJiri Benc struct sta_info *sta; 307056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 308f0706e82SJiri Benc }; 309f0706e82SJiri Benc 310f0706e82SJiri Benc struct ieee80211_if_vlan { 3114e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 312f14543eeSFelix Fietkau 313f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 31440b275b6SJohannes Berg struct sta_info __rcu *sta; 31572f15d53SMichael Braun atomic_t num_mcast_sta; /* number of stations receiving multicast */ 316f0706e82SJiri Benc }; 317f0706e82SJiri Benc 318ee385855SLuis Carlos Cobo struct mesh_stats { 319c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 320c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 321c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 322ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 323ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 324cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 325ee385855SLuis Carlos Cobo }; 326ee385855SLuis Carlos Cobo 327ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 328ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 329ee385855SLuis Carlos Cobo struct mesh_preq_queue { 330ee385855SLuis Carlos Cobo struct list_head list; 331ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 332ee385855SLuis Carlos Cobo u8 flags; 333ee385855SLuis Carlos Cobo }; 334ee385855SLuis Carlos Cobo 3352eb278e0SJohannes Berg struct ieee80211_roc_work { 33677fdaa12SJohannes Berg struct list_head list; 337af6b6374SJohannes Berg 338af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 339af6b6374SJohannes Berg 340f679f65dSJohannes Berg struct ieee80211_channel *chan; 341af6b6374SJohannes Berg 3422eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 343b4b177a5SJohannes Berg bool on_channel; 344f679f65dSJohannes Berg 345aaa016ccSJohannes Berg unsigned long start_time; 346e4da8c37SJohannes Berg 3472eb278e0SJohannes Berg u32 duration, req_duration; 348f30221e4SJohannes Berg struct sk_buff *frame; 34950febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 350d339d5caSIlan Peer enum ieee80211_roc_type type; 35177fdaa12SJohannes Berg }; 35277fdaa12SJohannes Berg 35346900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 354ab1faeadSJohannes Berg enum ieee80211_sta_flags { 355b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 356b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 357a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 358b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 359ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 360375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 36117e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 36224398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 363d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 364f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 365f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 366095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 367cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 36841cbb0f5SLuca Coelho IEEE80211_STA_DISABLE_HE = BIT(16), 369ab1faeadSJohannes Berg }; 370ab1faeadSJohannes Berg 37166e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 37266e67e41SJohannes Berg struct cfg80211_bss *bss; 37366e67e41SJohannes Berg unsigned long timeout; 37466e67e41SJohannes Berg int tries; 37566e67e41SJohannes Berg u16 algorithm, expected_transaction; 37666e67e41SJohannes Berg 37766e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37866e67e41SJohannes Berg u8 key_len, key_idx; 37966e67e41SJohannes Berg bool done; 380efb543e6SJouni Malinen bool peer_confirmed; 38189afe614SJohannes Berg bool timeout_started; 38266e67e41SJohannes Berg 3836b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3846b8ece3aSJouni Malinen size_t data_len; 3856b8ece3aSJouni Malinen u8 data[]; 38666e67e41SJohannes Berg }; 38766e67e41SJohannes Berg 38866e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38966e67e41SJohannes Berg struct cfg80211_bss *bss; 39066e67e41SJohannes Berg const u8 *supp_rates; 39166e67e41SJohannes Berg 39266e67e41SJohannes Berg unsigned long timeout; 39366e67e41SJohannes Berg int tries; 39466e67e41SJohannes Berg 39566e67e41SJohannes Berg u16 capability; 39666e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39766e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39866e67e41SJohannes Berg u8 ssid_len; 39966e67e41SJohannes Berg u8 supp_rates_len; 40076f0303dSJohannes Berg bool wmm, uapsd; 401989c6505SAlexander Bondar bool need_beacon; 40266e67e41SJohannes Berg bool synced; 40389afe614SJohannes Berg bool timeout_started; 40466e67e41SJohannes Berg 4059dde6423SJohannes Berg u8 ap_ht_param; 4069dde6423SJohannes Berg 407b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 408b08fbbd8SJohannes Berg 40939404feeSJouni Malinen u8 fils_nonces[2 * FILS_NONCE_LEN]; 41039404feeSJouni Malinen u8 fils_kek[FILS_MAX_KEK_LEN]; 41139404feeSJouni Malinen size_t fils_kek_len; 41239404feeSJouni Malinen 41366e67e41SJohannes Berg size_t ie_len; 41466e67e41SJohannes Berg u8 ie[]; 41566e67e41SJohannes Berg }; 41666e67e41SJohannes Berg 41702219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41802219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41902219b3aSJohannes Berg unsigned long time_slice_start; 42002219b3aSJohannes Berg 42102219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 42202219b3aSJohannes Berg u8 tsid; 42302219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 42402219b3aSJohannes Berg 42502219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42602219b3aSJohannes Berg u32 consumed_tx_time; 42702219b3aSJohannes Berg enum { 42802219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42902219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 43002219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 43102219b3aSJohannes Berg } action; 43202219b3aSJohannes Berg bool downgraded; 43302219b3aSJohannes Berg }; 43402219b3aSJohannes Berg 435eb1e011aSJohannes Berg DECLARE_EWMA(beacon_signal, 4, 4) 436338c17aeSJohannes Berg 43746900298SJohannes Berg struct ieee80211_if_managed { 438056cdd59SJohannes Berg struct timer_list timer; 439b291ba11SJohannes Berg struct timer_list conn_mon_timer; 440b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 441c481ec97SSujith struct timer_list chswitch_timer; 442b291ba11SJohannes Berg struct work_struct monitor_work; 443c481ec97SSujith struct work_struct chswitch_work; 4441e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 445882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44646900298SJohannes Berg 4477ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 448b291ba11SJohannes Berg unsigned long probe_timeout; 449a43abf29SMaxim Levitsky int probe_send_count; 45004ac3c0eSFelix Fietkau bool nullfunc_failed; 451682bd38bSJohannes Berg bool connection_loss; 452b291ba11SJohannes Berg 4530c1ad2caSJohannes Berg struct cfg80211_bss *associated; 45466e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 45566e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45646900298SJohannes Berg 457a3e2f4b6SMichael Braun u8 bssid[ETH_ALEN] __aligned(2); 45846900298SJohannes Berg 459f0706e82SJiri Benc u16 aid; 460f0706e82SJiri Benc 461965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 46205cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 463989c6505SAlexander Bondar bool have_beacon; 464826262c3SJohannes Berg u8 dtim_period; 4650f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 466d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 467d1f5b7a3SJohannes Berg 468d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 469965bedadSJohannes Berg 470d6f2da5bSJiri Slaby unsigned int flags; 471f0706e82SJiri Benc 4720c21e632SLuciano Coelho bool csa_waiting_bcn; 473f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4740c21e632SLuciano Coelho 475d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 476d91f36dbSJohannes Berg u32 beacon_crc; 477d91f36dbSJohannes Berg 4781672c0e3SJohannes Berg bool status_acked; 4791672c0e3SJohannes Berg bool status_received; 4801672c0e3SJohannes Berg __le16 status_fc; 4811672c0e3SJohannes Berg 482fdfacf0aSJouni Malinen enum { 483fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 484fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 485fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 486fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 487fdfacf0aSJouni Malinen 488dc41e4d4SEliad Peller /* 489dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 490dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 491dc41e4d4SEliad Peller * to take effect. 492dc41e4d4SEliad Peller */ 493dc41e4d4SEliad Peller unsigned int uapsd_queues; 494dc41e4d4SEliad Peller 495dc41e4d4SEliad Peller /* 496dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 497dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 498dc41e4d4SEliad Peller * Needs a new association to take effect. 499dc41e4d4SEliad Peller */ 500dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 501dc41e4d4SEliad Peller 502f0706e82SJiri Benc int wmm_last_param_set; 5032e249fc3SShaul Triebitz int mu_edca_last_param_set; 5049bc383deSJohannes Berg 5059bc383deSJohannes Berg u8 use_4addr; 50617e4ec14SJouni Malinen 50767baf663SJanusz Dziedzic s16 p2p_noa_index; 508488dd7b5SJohannes Berg 509338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 51017e4ec14SJouni Malinen 51117e4ec14SJouni Malinen /* 512391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 513391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 514391a200aSJouni Malinen * only on couple of received frames. 515391a200aSJouni Malinen */ 516391a200aSJouni Malinen unsigned int count_beacon_signal; 517391a200aSJouni Malinen 518976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 519976bd9efSJohannes Berg unsigned int beacon_loss_count; 520976bd9efSJohannes Berg 521391a200aSJouni Malinen /* 52217e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 52317e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 52417e4ec14SJouni Malinen * generated for the current association. 52517e4ec14SJouni Malinen */ 52617e4ec14SJouni Malinen int last_cqm_event_signal; 527615f7b9bSMeenakshi Venkataraman 528615f7b9bSMeenakshi Venkataraman /* 529615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 530615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 531615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 532615f7b9bSMeenakshi Venkataraman */ 533615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 534615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 535ef96a842SBen Greear 536ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 537ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 538dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 539dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 54081dd2b88SArik Nemtsov 5411277b4a9SLiad Kaufman /* TDLS support */ 54281dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 54381dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5441277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5451277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5461277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5479041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 54882c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 54902219b3aSJohannes Berg 55002219b3aSJohannes Berg /* WMM-AC TSPEC support */ 55102219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 55202219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 55302219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 55402219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 55502219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 55602219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 55702219b3aSJohannes Berg */ 55802219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 5594d9ec73dSJouni Malinen 5604d9ec73dSJouni Malinen /* Information elements from the last transmitted (Re)Association 5614d9ec73dSJouni Malinen * Request frame. 5624d9ec73dSJouni Malinen */ 5634d9ec73dSJouni Malinen u8 *assoc_req_ies; 5644d9ec73dSJouni Malinen size_t assoc_req_ies_len; 565f0706e82SJiri Benc }; 566f0706e82SJiri Benc 56746900298SJohannes Berg struct ieee80211_if_ibss { 56846900298SJohannes Berg struct timer_list timer; 569cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 57046900298SJohannes Berg 571af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5725bb644a0SJohannes Berg 573fbd2c8dcSTeemu Paasikivi u32 basic_rates; 574fbd2c8dcSTeemu Paasikivi 575af8cdcd8SJohannes Berg bool fixed_bssid; 576af8cdcd8SJohannes Berg bool fixed_channel; 577fffd0934SJohannes Berg bool privacy; 57846900298SJohannes Berg 579267335d6SAntonio Quartulli bool control_port; 5808e8d347dSSimon Wunderlich bool userspace_handles_dfs; 581267335d6SAntonio Quartulli 5824d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 583af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 584af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 585af8cdcd8SJohannes Berg u8 *ie; 5863aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 58746900298SJohannes Berg 58846900298SJohannes Berg unsigned long ibss_join_req; 589af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 590c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 59146900298SJohannes Berg 592822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 593822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 594822854b0SSimon Wunderlich 5958bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5968bf11d8dSJohannes Berg struct list_head incomplete_stations; 5978bf11d8dSJohannes Berg 59846900298SJohannes Berg enum { 59946900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 60046900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 60146900298SJohannes Berg } state; 60246900298SJohannes Berg }; 60346900298SJohannes Berg 604dbf498fbSJavier Cardona /** 605239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 606239281f8SRostislav Lisovy * 607239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 608239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 609239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 610239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 611239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 612239281f8SRostislav Lisovy */ 613239281f8SRostislav Lisovy struct ieee80211_if_ocb { 614239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 615239281f8SRostislav Lisovy unsigned long wrkq_flags; 616239281f8SRostislav Lisovy 617239281f8SRostislav Lisovy spinlock_t incomplete_lock; 618239281f8SRostislav Lisovy struct list_head incomplete_stations; 619239281f8SRostislav Lisovy 620239281f8SRostislav Lisovy bool joined; 621239281f8SRostislav Lisovy }; 622239281f8SRostislav Lisovy 623239281f8SRostislav Lisovy /** 624dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 625dbf498fbSJavier Cardona * 626dbf498fbSJavier Cardona * these declarations define the interface, which enables 627dbf498fbSJavier Cardona * vendor-specific mesh synchronization 628dbf498fbSJavier Cardona * 629dbf498fbSJavier Cardona */ 630dbf498fbSJavier Cardona struct ieee802_11_elems; 631dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 632dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 633dbf498fbSJavier Cardona u16 stype, 634dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 635dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 636dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 63743552be1SThomas Pedersen 63843552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 639445cd452SMasashi Honma void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, 64043552be1SThomas Pedersen struct beacon_data *beacon); 641dbf498fbSJavier Cardona /* add other framework functions here */ 642dbf498fbSJavier Cardona }; 643dbf498fbSJavier Cardona 644b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 645b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 646b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 647b8456a14SChun-Yeow Yeoh }; 648b8456a14SChun-Yeow Yeoh 649472dbc45SJohannes Berg struct ieee80211_if_mesh { 650472dbc45SJohannes Berg struct timer_list housekeeping_timer; 651472dbc45SJohannes Berg struct timer_list mesh_path_timer; 652e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 653472dbc45SJohannes Berg 65418889231SJavier Cardona unsigned long wrkq_flags; 655f81a9dedSThomas Pedersen unsigned long mbss_changed; 656472dbc45SJohannes Berg 6570ab2e55dSBenjamin Berg bool userspace_handles_dfs; 6580ab2e55dSBenjamin Berg 659472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 660472dbc45SJohannes Berg size_t mesh_id_len; 661472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6623491707aSRui Paulo u8 mesh_pp_id; 663472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6643491707aSRui Paulo u8 mesh_pm_id; 665472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6663491707aSRui Paulo u8 mesh_cc_id; 6679e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6683491707aSRui Paulo u8 mesh_sp_id; 6699e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6703491707aSRui Paulo u8 mesh_auth_id; 671d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 672d19b3bf6SRui Paulo u32 sn; 673472dbc45SJohannes Berg /* Last used PREQ ID */ 674472dbc45SJohannes Berg u32 preq_id; 675472dbc45SJohannes Berg atomic_t mpaths; 676d19b3bf6SRui Paulo /* Timestamp of last SN update */ 677d19b3bf6SRui Paulo unsigned long last_sn_update; 678dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 679dca7e943SThomas Pedersen unsigned long next_perr; 680dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 681472dbc45SJohannes Berg unsigned long last_preq; 682472dbc45SJohannes Berg struct mesh_rmc *rmc; 683472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 684472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 685472dbc45SJohannes Berg int preq_queue_len; 686472dbc45SJohannes Berg struct mesh_stats mshstats; 687472dbc45SJohannes Berg struct mesh_config mshcfg; 6881258d976SAshok Nagarajan atomic_t estab_plinks; 689472dbc45SJohannes Berg u32 mesh_seqnum; 690472dbc45SJohannes Berg bool accepting_plinks; 6915ee68e5bSJavier Cardona int num_gates; 6922b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 693581a8b0fSJavier Cardona const u8 *ie; 694581a8b0fSJavier Cardona u8 ie_len; 695b130e5ceSJavier Cardona enum { 696b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 697b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 698b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 699b130e5ceSJavier Cardona } security; 700a6dad6a2SThomas Pedersen bool user_mpm; 701dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 7028ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 703dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 704dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 7053f52b7e3SMarco Porsch /* mesh power save */ 7063f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 7073f52b7e3SMarco Porsch int ps_peers_light_sleep; 7083f52b7e3SMarco Porsch int ps_peers_deep_sleep; 7093f52b7e3SMarco Porsch struct ps_data ps; 7108f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 711b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 7120cb4d4dcSLuciano Coelho enum { 7130cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 7140cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 7150cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 7160cb4d4dcSLuciano Coelho } csa_role; 717b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 7188f2535b9SChun-Yeow Yeoh u16 pre_value; 71943552be1SThomas Pedersen 72043552be1SThomas Pedersen /* offset from skb->data while building IE */ 72143552be1SThomas Pedersen int meshconf_offset; 7222bdaf386SBob Copeland 72360854fd9SBob Copeland struct mesh_table *mesh_paths; 72460854fd9SBob Copeland struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */ 7252bdaf386SBob Copeland int mesh_paths_generation; 7262bdaf386SBob Copeland int mpp_paths_generation; 727472dbc45SJohannes Berg }; 728902acc78SJohannes Berg 729902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 730472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 731472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 732902acc78SJohannes Berg #else 733472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 734902acc78SJohannes Berg do { } while (0) 735902acc78SJohannes Berg #endif 736f0706e82SJiri Benc 737213cd118SJohannes Berg /** 738213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 739213cd118SJohannes Berg * 740213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 741213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 742213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 743213cd118SJohannes Berg * associated stations and deliver multicast frames both 744213cd118SJohannes Berg * back to wireless media and to the local net stack. 74595acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7467b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 747213cd118SJohannes Berg */ 748213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 749213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7507986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7517986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 75295acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7537b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 754213cd118SJohannes Berg }; 755213cd118SJohannes Berg 75634d4bc4dSJohannes Berg /** 75734d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 75834d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 75934d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 76034d4bc4dSJohannes Berg * change handling while the interface is up 7615b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7625b714c6aSJohannes Berg * mode, so queues are stopped 763d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 764d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 76534d4bc4dSJohannes Berg */ 76634d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 76734d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7685b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 769d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 77034d4bc4dSJohannes Berg }; 77134d4bc4dSJohannes Berg 772d01a1e65SMichal Kazior /** 773d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 774d01a1e65SMichal Kazior * 775d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 776d01a1e65SMichal Kazior * multiple interfaces 777d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 778d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 779d01a1e65SMichal Kazior * non-fixed channel IBSS. 780d01a1e65SMichal Kazior */ 781d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 782d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 783d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 784d01a1e65SMichal Kazior }; 785d01a1e65SMichal Kazior 7865bcae31dSMichal Kazior /** 7875bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7885bcae31dSMichal Kazior * 7895bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7905bcae31dSMichal Kazior * context switch/swap. 7915bcae31dSMichal Kazior * 7925bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7935bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7945bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7955bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7965bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7975bcae31dSMichal Kazior */ 7985bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7995bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 8005bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 8015bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 8025bcae31dSMichal Kazior }; 8035bcae31dSMichal Kazior 804d01a1e65SMichal Kazior struct ieee80211_chanctx { 805d01a1e65SMichal Kazior struct list_head list; 806d01a1e65SMichal Kazior struct rcu_head rcu_head; 807d01a1e65SMichal Kazior 808484298adSMichal Kazior struct list_head assigned_vifs; 809e3afb920SMichal Kazior struct list_head reserved_vifs; 810484298adSMichal Kazior 8115bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 8125bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 8135bcae31dSMichal Kazior 814d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 8158a61af65SJohannes Berg bool driver_present; 816d01a1e65SMichal Kazior 817d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 818d01a1e65SMichal Kazior }; 819d01a1e65SMichal Kazior 82032db6b54SKyeyoon Park struct mac80211_qos_map { 82132db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 82232db6b54SKyeyoon Park struct rcu_head rcu_head; 82332db6b54SKyeyoon Park }; 82432db6b54SKyeyoon Park 825ba8c3d6fSFelix Fietkau enum txq_info_flags { 826ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 827ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 8286e0456b5SFelix Fietkau IEEE80211_TXQ_NO_AMSDU, 82921a5d4c3SManikanta Pubbisetty IEEE80211_TXQ_STOP_NETIF_TX, 830ba8c3d6fSFelix Fietkau }; 831ba8c3d6fSFelix Fietkau 832fa962b92SMichal Kazior /** 833fa962b92SMichal Kazior * struct txq_info - per tid queue 834fa962b92SMichal Kazior * 835fa962b92SMichal Kazior * @tin: contains packets split into multiple flows 836fa962b92SMichal Kazior * @def_flow: used as a fallback flow when a packet destined to @tin hashes to 837fa962b92SMichal Kazior * a fq_flow which is already owned by a different tin 8385caa328eSMichal Kazior * @def_cvars: codel vars for @def_flow 839bb42f2d1SToke Høiland-Jørgensen * @frags: used to keep fragments created after dequeue 84018667600SToke Høiland-Jørgensen * @schedule_order: used with ieee80211_local->active_txqs 84118667600SToke Høiland-Jørgensen * @schedule_round: counter to prevent infinite loops on TXQ scheduling 842fa962b92SMichal Kazior */ 843ba8c3d6fSFelix Fietkau struct txq_info { 844fa962b92SMichal Kazior struct fq_tin tin; 845fa962b92SMichal Kazior struct fq_flow def_flow; 8465caa328eSMichal Kazior struct codel_vars def_cvars; 8478d51dbb8SToke Høiland-Jørgensen struct codel_stats cstats; 848bb42f2d1SToke Høiland-Jørgensen struct sk_buff_head frags; 84918667600SToke Høiland-Jørgensen struct list_head schedule_order; 85018667600SToke Høiland-Jørgensen u16 schedule_round; 851ba8c3d6fSFelix Fietkau unsigned long flags; 852ba8c3d6fSFelix Fietkau 853ba8c3d6fSFelix Fietkau /* keep last! */ 854ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 855ba8c3d6fSFelix Fietkau }; 856ba8c3d6fSFelix Fietkau 857d8212184SAviya Erenfeld struct ieee80211_if_mntr { 858d8212184SAviya Erenfeld u32 flags; 85942bd20d9SAviya Erenfeld u8 mu_follow_addr[ETH_ALEN] __aligned(2); 860f64331d5SJohannes Berg 861f64331d5SJohannes Berg struct list_head list; 862d8212184SAviya Erenfeld }; 863d8212184SAviya Erenfeld 8645953ff6dSAyala Beker /** 8655953ff6dSAyala Beker * struct ieee80211_if_nan - NAN state 8665953ff6dSAyala Beker * 8675953ff6dSAyala Beker * @conf: current NAN configuration 868167e33f4SAyala Beker * @func_ids: a bitmap of available instance_id's 8695953ff6dSAyala Beker */ 8705953ff6dSAyala Beker struct ieee80211_if_nan { 8715953ff6dSAyala Beker struct cfg80211_nan_conf conf; 872167e33f4SAyala Beker 873167e33f4SAyala Beker /* protects function_inst_ids */ 874167e33f4SAyala Beker spinlock_t func_lock; 875167e33f4SAyala Beker struct idr function_inst_ids; 8765953ff6dSAyala Beker }; 8775953ff6dSAyala Beker 878f0706e82SJiri Benc struct ieee80211_sub_if_data { 879f0706e82SJiri Benc struct list_head list; 880f0706e82SJiri Benc 881f0706e82SJiri Benc struct wireless_dev wdev; 882f0706e82SJiri Benc 88311a843b7SJohannes Berg /* keys */ 88411a843b7SJohannes Berg struct list_head key_list; 88511a843b7SJohannes Berg 8863bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8873bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8888d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8898d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8903bff1865SYogesh Ashok Powar 891f0706e82SJiri Benc struct net_device *dev; 892f0706e82SJiri Benc struct ieee80211_local *local; 893f0706e82SJiri Benc 89413262ffdSJiri Slaby unsigned int flags; 8957e9ed188SDaniel Drake 89634d4bc4dSJohannes Berg unsigned long state; 89734d4bc4dSJohannes Berg 89847846c9bSJohannes Berg char name[IFNAMSIZ]; 89947846c9bSJohannes Berg 900f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 901f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 902f0706e82SJiri Benc unsigned int fragment_next; 903f0706e82SJiri Benc 904b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 905b53be792SSimon Wunderlich u16 noack_map; 906b53be792SSimon Wunderlich 90700e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 90800e96decSYoni Divinsky u8 wmm_acm; 90900e96decSYoni Divinsky 91040b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 91140b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 91240b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 91340b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 914f0706e82SJiri Benc 91594778280SJohannes Berg u16 sequence_number; 916a621fa4dSJohannes Berg __be16 control_port_protocol; 917a621fa4dSJohannes Berg bool control_port_no_encrypt; 918018f6fbfSDenis Kenzior bool control_port_over_nl80211; 9192475b1ccSMax Stepanov int encrypt_headroom; 92094778280SJohannes Berg 92180a83cfcSMichal Kazior atomic_t num_tx_queued; 92254bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 92332db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 924f6f3def3SEliad Peller 92573da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 92659af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 92733787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 92873da7d5bSSimon Wunderlich 929484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 930e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 931484298adSMichal Kazior 93211335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 93311335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 93411335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 93509332481SMichal Kazior bool reserved_radar_required; 9365bcae31dSMichal Kazior bool reserved_ready; 93711335a55SLuciano Coelho 93804ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 93904ecd257SJohannes Berg struct work_struct recalc_smps; 94004ecd257SJohannes Berg 94164592c8fSJohannes Berg struct work_struct work; 94235f20c14SJohannes Berg struct sk_buff_head skb_queue; 94335f20c14SJohannes Berg 94404ecd257SJohannes Berg u8 needed_rx_chains; 94504ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 94604ecd257SJohannes Berg 9471ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 9481ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 9491ea6f9c0SJohannes Berg 950164eb02dSSimon Wunderlich bool radar_required; 951164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 952164eb02dSSimon Wunderlich 9533e122be0SJohannes Berg /* 9543e122be0SJohannes Berg * AP this belongs to: self in AP mode and 9553e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 9563e122be0SJohannes Berg * all others (might be needed later in IBSS) 9573e122be0SJohannes Berg */ 9583e122be0SJohannes Berg struct ieee80211_if_ap *bss; 9593e122be0SJohannes Berg 96037eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 96157fbcce3SJohannes Berg u32 rc_rateidx_mask[NUM_NL80211_BANDS]; 9622ffbe6d3SFelix Fietkau 96357fbcce3SJohannes Berg bool rc_has_mcs_mask[NUM_NL80211_BANDS]; 96457fbcce3SJohannes Berg u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 965f0706e82SJiri Benc 96657fbcce3SJohannes Berg bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; 96757fbcce3SJohannes Berg u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; 968b119ad6eSLorenzo Bianconi 969f0706e82SJiri Benc union { 970f0706e82SJiri Benc struct ieee80211_if_ap ap; 971f0706e82SJiri Benc struct ieee80211_if_wds wds; 972f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 97346900298SJohannes Berg struct ieee80211_if_managed mgd; 97446900298SJohannes Berg struct ieee80211_if_ibss ibss; 975472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 976239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 977d8212184SAviya Erenfeld struct ieee80211_if_mntr mntr; 9785953ff6dSAyala Beker struct ieee80211_if_nan nan; 979f0706e82SJiri Benc } u; 980e9f207f0SJiri Benc 981e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 982e9f207f0SJiri Benc struct { 983295bafb4SBen Greear struct dentry *subdir_stations; 984f7e0104cSJohannes Berg struct dentry *default_unicast_key; 985f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9863cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 9877bcfaf2fSJohannes Berg } debugfs; 988e9f207f0SJiri Benc #endif 989529ba6e9SJohannes Berg 99032bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 99132bfd35dSJohannes Berg struct ieee80211_vif vif; 992f0706e82SJiri Benc }; 993f0706e82SJiri Benc 99432bfd35dSJohannes Berg static inline 99532bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 99632bfd35dSJohannes Berg { 99732bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 99832bfd35dSJohannes Berg } 99932bfd35dSJohannes Berg 10008d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 10018d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 10028d61ffa5SJohannes Berg { 10038d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 10048d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 10058d61ffa5SJohannes Berg } 10068d61ffa5SJohannes Berg 10078d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 10088d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 10098d61ffa5SJohannes Berg { 10108d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 10118d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 10128d61ffa5SJohannes Berg } 10138d61ffa5SJohannes Berg 10147ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 10157ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 10167ca133bcSSimon Wunderlich 10178d61ffa5SJohannes Berg static inline void 10188d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 10198d61ffa5SJohannes Berg { 10208d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 10218d61ffa5SJohannes Berg } 10228d61ffa5SJohannes Berg 1023438b61b7SSimon Wunderlich static inline int 1024438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 1025438b61b7SSimon Wunderlich { 1026438b61b7SSimon Wunderlich switch (chandef->width) { 1027438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 1028438b61b7SSimon Wunderlich return 2; 1029438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 1030438b61b7SSimon Wunderlich return 1; 1031438b61b7SSimon Wunderlich default: 1032438b61b7SSimon Wunderlich return 0; 1033438b61b7SSimon Wunderlich } 1034438b61b7SSimon Wunderlich } 1035438b61b7SSimon Wunderlich 1036438b61b7SSimon Wunderlich static inline int 1037438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 1038438b61b7SSimon Wunderlich { 1039438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 1040438b61b7SSimon Wunderlich int shift = 0; 1041438b61b7SSimon Wunderlich 1042438b61b7SSimon Wunderlich rcu_read_lock(); 1043438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 1044438b61b7SSimon Wunderlich if (chanctx_conf) 1045438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 1046438b61b7SSimon Wunderlich rcu_read_unlock(); 1047438b61b7SSimon Wunderlich 1048438b61b7SSimon Wunderlich return shift; 1049438b61b7SSimon Wunderlich } 1050438b61b7SSimon Wunderlich 1051f0706e82SJiri Benc enum { 1052f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1053f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1054f0706e82SJiri Benc }; 1055f0706e82SJiri Benc 1056ce7c9111SKalle Valo enum queue_stop_reason { 1057ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1058520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 105996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 106096f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 106125420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10628f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10636c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1064445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1065db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1066b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1067cca07b00SLuciano Coelho 1068cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1069ce7c9111SKalle Valo }; 1070ce7c9111SKalle Valo 107165a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1072e1e54068SJohannes Berg struct tpt_led_trigger { 1073e1e54068SJohannes Berg char name[32]; 1074e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1075e1e54068SJohannes Berg unsigned int blink_table_len; 1076e1e54068SJohannes Berg struct timer_list timer; 107734f11cd3SKees Cook struct ieee80211_local *local; 1078e1e54068SJohannes Berg unsigned long prev_traffic; 1079e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 108067408c8cSJohannes Berg unsigned int active, want; 108167408c8cSJohannes Berg bool running; 1082e1e54068SJohannes Berg }; 108365a6538aSLuciano Coelho #endif 1084e1e54068SJohannes Berg 1085142b9f50SHelmut Schaa /** 1086142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1087142b9f50SHelmut Schaa * 1088142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1089142b9f50SHelmut Schaa * well be on the operating channel 1090142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1091142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10928a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10938a690674SBen Greear * channel. This should not interrupt normal traffic. 10948789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10958789d459SJohannes Berg * that the scan completed. 10968789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10978789d459SJohannes Berg * a scan complete for an aborted scan. 1098a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1099a754055aSEmmanuel Grumbach * cancelled. 1100142b9f50SHelmut Schaa */ 1101fbe9c429SHelmut Schaa enum { 1102fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1103142b9f50SHelmut Schaa SCAN_HW_SCANNING, 11048a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 11058789d459SJohannes Berg SCAN_COMPLETED, 11068789d459SJohannes Berg SCAN_ABORTED, 1107a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1108142b9f50SHelmut Schaa }; 1109142b9f50SHelmut Schaa 1110142b9f50SHelmut Schaa /** 1111142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1112142b9f50SHelmut Schaa * 1113142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1114142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1115142b9f50SHelmut Schaa * operating channel 1116142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1117142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 111807ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 111907ef03eeSJohannes Berg * send out data 112007ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1121cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1122142b9f50SHelmut Schaa */ 1123142b9f50SHelmut Schaa enum mac80211_scan_state { 1124142b9f50SHelmut Schaa SCAN_DECISION, 1125142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1126142b9f50SHelmut Schaa SCAN_SEND_PROBE, 112707ef03eeSJohannes Berg SCAN_SUSPEND, 112807ef03eeSJohannes Berg SCAN_RESUME, 1129cd2bb512SSam Leffler SCAN_ABORT, 1130fbe9c429SHelmut Schaa }; 1131fbe9c429SHelmut Schaa 1132f0706e82SJiri Benc struct ieee80211_local { 1133f0706e82SJiri Benc /* embed the driver visible part. 1134f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1135f0706e82SJiri Benc * it first anyway so they become a no-op */ 1136f0706e82SJiri Benc struct ieee80211_hw hw; 1137f0706e82SJiri Benc 1138fa962b92SMichal Kazior struct fq fq; 11395caa328eSMichal Kazior struct codel_vars *cvars; 11405caa328eSMichal Kazior struct codel_params cparams; 1141fa962b92SMichal Kazior 114218667600SToke Høiland-Jørgensen /* protects active_txqs and txqi->schedule_order */ 114318667600SToke Høiland-Jørgensen spinlock_t active_txq_lock[IEEE80211_NUM_ACS]; 114418667600SToke Høiland-Jørgensen struct list_head active_txqs[IEEE80211_NUM_ACS]; 114518667600SToke Høiland-Jørgensen u16 schedule_round[IEEE80211_NUM_ACS]; 114618667600SToke Høiland-Jørgensen 1147b4809e94SToke Høiland-Jørgensen u16 airtime_flags; 1148b4809e94SToke Høiland-Jørgensen 1149f0706e82SJiri Benc const struct ieee80211_ops *ops; 1150f0706e82SJiri Benc 115142935ecaSLuis R. Rodriguez /* 115242935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 115342935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 115442935ecaSLuis R. Rodriguez */ 115542935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 115642935ecaSLuis R. Rodriguez 1157e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1158cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 115996f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1160ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 116196f5e66eSJohannes Berg 1162f0706e82SJiri Benc int open_count; 11633d30d949SMichael Wu int monitors, cooked_mntrs; 11648cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11657be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11667be5086dSJohannes Berg fif_probe_req; 11677be5086dSJohannes Berg int probe_req_reg; 11684150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11693b8d81e0SJohannes Berg 11703ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11713ffc2a90SJohannes Berg 1172fe57d9f5SJohannes Berg bool use_chanctx; 1173fe57d9f5SJohannes Berg 11743b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11753b8d81e0SJohannes Berg spinlock_t filter_lock; 11763b8d81e0SJohannes Berg 11773ac64beeSJohannes Berg /* used for uploading changed mc list */ 11783ac64beeSJohannes Berg struct work_struct reconfig_filter; 11793ac64beeSJohannes Berg 11803b8d81e0SJohannes Berg /* aggregated multicast list */ 118122bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11823b8d81e0SJohannes Berg 1183d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11845bb644a0SJohannes Berg 11855bb644a0SJohannes Berg /* 11865bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11875bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11885bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11895bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11905bb644a0SJohannes Berg */ 11915bb644a0SJohannes Berg bool suspended; 11925bb644a0SJohannes Berg 11935bb644a0SJohannes Berg /* 1194ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1195ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1196ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1197ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1198ceb99fe0SJohannes Berg */ 1199ceb99fe0SJohannes Berg bool resuming; 1200ceb99fe0SJohannes Berg 1201ceb99fe0SJohannes Berg /* 12025bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 12035bb644a0SJohannes Berg * ease timer cancelling etc. 12045bb644a0SJohannes Berg */ 12055bb644a0SJohannes Berg bool quiescing; 12065bb644a0SJohannes Berg 1207ea77f12fSJohannes Berg /* device is started */ 1208ea77f12fSJohannes Berg bool started; 1209ea77f12fSJohannes Berg 121004800adaSArik Nemtsov /* device is during a HW reconfig */ 121104800adaSArik Nemtsov bool in_reconfig; 121204800adaSArik Nemtsov 1213eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1214eecc4800SJohannes Berg bool wowlan; 1215eecc4800SJohannes Berg 1216164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1217164eb02dSSimon Wunderlich 121804ecd257SJohannes Berg /* number of RX chains the hardware has */ 121904ecd257SJohannes Berg u8 rx_chains; 122004ecd257SJohannes Berg 122109b4a4faSJohannes Berg /* bitmap of which sbands were copied */ 122209b4a4faSJohannes Berg u8 sband_allocated; 122309b4a4faSJohannes Berg 1224b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1225f0706e82SJiri Benc 1226f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1227f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1228f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1229f0706e82SJiri Benc * queues increases over the limit. */ 1230f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1231f0706e82SJiri Benc struct tasklet_struct tasklet; 1232f0706e82SJiri Benc struct sk_buff_head skb_queue; 1233f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1234f0706e82SJiri Benc 1235f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 123624a8fdadSChristian Lamparter 1237d0709a65SJohannes Berg /* Station data */ 1238d0709a65SJohannes Berg /* 12394d33960bSJohannes Berg * The mutex only protects the list, hash table and 12404d33960bSJohannes Berg * counter, reads are done with RCU. 1241d0709a65SJohannes Berg */ 124234e89507SJohannes Berg struct mutex sta_mtx; 12434d33960bSJohannes Berg spinlock_t tim_lock; 1244d0709a65SJohannes Berg unsigned long num_sta; 12454d33960bSJohannes Berg struct list_head sta_list; 124683e7e4ceSHerbert Xu struct rhltable sta_hash; 1247f0706e82SJiri Benc struct timer_list sta_cleanup; 1248f5ea9120SJohannes Berg int sta_generation; 1249f0706e82SJiri Benc 12502a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1251f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 125221a5d4c3SManikanta Pubbisetty struct tasklet_struct wake_txqs_tasklet; 1253f0706e82SJiri Benc 1254a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1255cd8ffc80SJohannes Berg 1256df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1257df140465SJohannes Berg atomic_t iff_allmultis; 1258f0706e82SJiri Benc 1259f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1260f0706e82SJiri Benc 12615f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 12625f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1263f0706e82SJiri Benc u32 wep_iv; 1264f0706e82SJiri Benc 1265c771c9d8SJohannes Berg /* see iface.c */ 126679010420SJohannes Berg struct list_head interfaces; 1267f64331d5SJohannes Berg struct list_head mon_list; /* only that are IFF_UP && !cooked */ 1268c771c9d8SJohannes Berg struct mutex iflist_mtx; 126979010420SJohannes Berg 1270b16bd15cSJohannes Berg /* 1271ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 127296fc6efbSAlexander Wetzel * key pointers and ptk_idx (write access, they're RCU.) 1273b16bd15cSJohannes Berg */ 1274ad0e2b5aSJohannes Berg struct mutex key_mtx; 1275b16bd15cSJohannes Berg 1276a1699b75SJohannes Berg /* mutex for scan and work locking */ 1277a1699b75SJohannes Berg struct mutex mtx; 1278b16bd15cSJohannes Berg 1279c2b13452SJohannes Berg /* Scanning and BSS list */ 1280fbe9c429SHelmut Schaa unsigned long scanning; 12812a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12825ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12836ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1284c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12857ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 128657fbcce3SJohannes Berg enum nl80211_band hw_scan_band; 1287f0706e82SJiri Benc int scan_channel_idx; 1288de95a54bSJohannes Berg int scan_ies_len; 1289c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12907947d3e0SAvraham Stern struct cfg80211_scan_info scan_info; 12918318d78aSJohannes Berg 129285a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12935260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12946ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1295a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 129679f460caSLuciano Coelho 1297df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1298977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1299f0706e82SJiri Benc struct delayed_work scan_work; 1300e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 130155de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1302675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1303f0706e82SJiri Benc 1304b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1305b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1306b8bc4b0aSJohannes Berg 1307d01a1e65SMichal Kazior /* channel contexts */ 1308d01a1e65SMichal Kazior struct list_head chanctx_list; 1309d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1310d01a1e65SMichal Kazior 1311c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 13128d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 13138d5c2585SJohannes Berg struct led_trigger tpt_led; 13148d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 13158d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1316c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1317c206ca67SJohannes Berg #endif 1318c206ca67SJohannes Berg 1319c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1320f0706e82SJiri Benc /* SNMP counters */ 1321f0706e82SJiri Benc /* dot11CountersTable */ 1322f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1323f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1324f0706e82SJiri Benc u32 dot11FailedCount; 1325f0706e82SJiri Benc u32 dot11RetryCount; 1326f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1327f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1328f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1329f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1330f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1331f0706e82SJiri Benc 1332f0706e82SJiri Benc /* TX/RX handler statistics */ 1333f0706e82SJiri Benc unsigned int tx_handlers_drop; 1334f0706e82SJiri Benc unsigned int tx_handlers_queued; 1335f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1336f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1337f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1338f0706e82SJiri Benc unsigned int rx_handlers_drop; 1339f0706e82SJiri Benc unsigned int rx_handlers_queued; 1340f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1341f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1342f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1343f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1344f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1345f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1346f0706e82SJiri Benc unsigned int tx_status_drop; 1347f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1348f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1349f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1350f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1351f0706e82SJiri Benc 1352f0706e82SJiri Benc 1353f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1354f0706e82SJiri Benc * multicast packets for power saving stations 1355f0706e82SJiri Benc */ 1356520eb820SKalle Valo 1357572e0012SKalle Valo bool pspolling; 1358b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1359965bedadSJohannes Berg /* 1360965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1361965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1362965bedadSJohannes Berg */ 1363965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1364520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1365520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1366520eb820SKalle Valo struct timer_list dynamic_ps_timer; 13672b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1368a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1369f0706e82SJiri Benc 1370ff616381SJuuso Oikarinen /* 1371ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1372ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1373ff616381SJuuso Oikarinen */ 1374ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1375ff616381SJuuso Oikarinen 13761ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13772bf30fabSJohannes Berg 13780f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13790f78231bSJohannes Berg 1380f2753ddbSJohannes Berg struct work_struct restart_work; 1381f2753ddbSJohannes Berg 1382e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1383e9f207f0SJiri Benc struct local_debugfsdentries { 13844b7679a5SJohannes Berg struct dentry *rcdir; 1385e9f207f0SJiri Benc struct dentry *keys; 1386e9f207f0SJiri Benc } debugfs; 1387276d9e82SJulius Niedworok bool force_tx_status; 1388e9f207f0SJiri Benc #endif 13894e6cbfd0SJohn W. Linville 13902eb278e0SJohannes Berg /* 13912eb278e0SJohannes Berg * Remain-on-channel support 13922eb278e0SJohannes Berg */ 1393aaa016ccSJohannes Berg struct delayed_work roc_work; 13942eb278e0SJohannes Berg struct list_head roc_list; 139521f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13962eb278e0SJohannes Berg unsigned long hw_roc_start_time; 139750febf6aSJohannes Berg u64 roc_cookie_counter; 139821f83589SJohannes Berg 1399a729cff8SJohannes Berg struct idr ack_status_frames; 1400a729cff8SJohannes Berg spinlock_t ack_status_lock; 1401a729cff8SJohannes Berg 1402f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1403f142c6b9SJohannes Berg 14044b6f1dd6SJohannes Berg /* virtual monitor interface */ 14054b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 14064bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1407e9a21949SLuciano Coelho 1408e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1409e9a21949SLuciano Coelho u8 ext_capa[8]; 1410c8ff71e6SArik Nemtsov 1411c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1412c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1413c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1414f0706e82SJiri Benc }; 1415f0706e82SJiri Benc 14163e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 14173e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 14183e122be0SJohannes Berg { 14193e122be0SJohannes Berg return netdev_priv(dev); 14203e122be0SJohannes Berg } 14213e122be0SJohannes Berg 142271bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 142371bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 142471bbc994SJohannes Berg { 142571bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 142671bbc994SJohannes Berg } 142771bbc994SJohannes Berg 142821a8e9ddSMohammed Shafi Shajakhan static inline struct ieee80211_supported_band * 142921a8e9ddSMohammed Shafi Shajakhan ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) 143021a8e9ddSMohammed Shafi Shajakhan { 143121a8e9ddSMohammed Shafi Shajakhan struct ieee80211_local *local = sdata->local; 143221a8e9ddSMohammed Shafi Shajakhan struct ieee80211_chanctx_conf *chanctx_conf; 143321a8e9ddSMohammed Shafi Shajakhan enum nl80211_band band; 143421a8e9ddSMohammed Shafi Shajakhan 143521a8e9ddSMohammed Shafi Shajakhan rcu_read_lock(); 143621a8e9ddSMohammed Shafi Shajakhan chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 143721a8e9ddSMohammed Shafi Shajakhan 143821a8e9ddSMohammed Shafi Shajakhan if (WARN_ON(!chanctx_conf)) { 143921a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 144021a8e9ddSMohammed Shafi Shajakhan return NULL; 144121a8e9ddSMohammed Shafi Shajakhan } 144221a8e9ddSMohammed Shafi Shajakhan 144321a8e9ddSMohammed Shafi Shajakhan band = chanctx_conf->def.chan->band; 144421a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 144521a8e9ddSMohammed Shafi Shajakhan 144621a8e9ddSMohammed Shafi Shajakhan return local->hw.wiphy->bands[band]; 144721a8e9ddSMohammed Shafi Shajakhan } 144821a8e9ddSMohammed Shafi Shajakhan 1449c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1450c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1451c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1452c0f17eb9SChun-Yeow Yeoh u8 mode; 1453c0f17eb9SChun-Yeow Yeoh u8 count; 1454c0f17eb9SChun-Yeow Yeoh u8 ttl; 14553f718fd8SChun-Yeow Yeoh u16 pre_value; 14565d55371bSBenjamin Berg u16 reason_code; 1457ee145775SSara Sharon u32 max_switch_time; 1458c0f17eb9SChun-Yeow Yeoh }; 1459c0f17eb9SChun-Yeow Yeoh 1460dd76986bSJohannes Berg /* Parsed Information Elements */ 1461dd76986bSJohannes Berg struct ieee802_11_elems { 14624a3cb702SJohannes Berg const u8 *ie_start; 1463dd76986bSJohannes Berg size_t total_len; 1464dd76986bSJohannes Berg 1465dd76986bSJohannes Berg /* pointers to IEs */ 146653837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 146753837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 14689041c1faSArik Nemtsov const u8 *ext_capab; 14694a3cb702SJohannes Berg const u8 *ssid; 14704a3cb702SJohannes Berg const u8 *supp_rates; 14714a3cb702SJohannes Berg const u8 *ds_params; 14724a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 14734a3cb702SJohannes Berg const u8 *challenge; 14744a3cb702SJohannes Berg const u8 *rsn; 14754a3cb702SJohannes Berg const u8 *erp_info; 14764a3cb702SJohannes Berg const u8 *ext_supp_rates; 14774a3cb702SJohannes Berg const u8 *wmm_info; 14784a3cb702SJohannes Berg const u8 *wmm_param; 14794a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14804a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14814a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14824a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14834a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 148441cbb0f5SLuca Coelho const u8 *he_cap; 148541cbb0f5SLuca Coelho const struct ieee80211_he_operation *he_operation; 148641cbb0f5SLuca Coelho const struct ieee80211_mu_edca_param_set *mu_edca_param_set; 148741cbb0f5SLuca Coelho const u8 *uora_element; 14884a3cb702SJohannes Berg const u8 *mesh_id; 14894a3cb702SJohannes Berg const u8 *peering; 14904a3cb702SJohannes Berg const __le16 *awake_window; 14914a3cb702SJohannes Berg const u8 *preq; 14924a3cb702SJohannes Berg const u8 *prep; 14934a3cb702SJohannes Berg const u8 *perr; 14944a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14954a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1496b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1497b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 1498ee145775SSara Sharon const u8 *max_channel_switch_time; 14994a3cb702SJohannes Berg const u8 *country_elem; 15004a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1501c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 150279ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 15034a3cb702SJohannes Berg const u8 *opmode_notif; 150485220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 1505c4de37eeSPeter Oh struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1506e38a017bSAvraham Stern const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; 150778ac51f8SSara Sharon const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; 150878ac51f8SSara Sharon const struct ieee80211_bssid_index *bssid_index; 150978ac51f8SSara Sharon u8 max_bssid_indicator; 151078ac51f8SSara Sharon u8 dtim_count; 151178ac51f8SSara Sharon u8 dtim_period; 1512dd76986bSJohannes Berg 1513dd76986bSJohannes Berg /* length of them, respectively */ 15149041c1faSArik Nemtsov u8 ext_capab_len; 1515dd76986bSJohannes Berg u8 ssid_len; 1516dd76986bSJohannes Berg u8 supp_rates_len; 1517dd76986bSJohannes Berg u8 tim_len; 1518dd76986bSJohannes Berg u8 challenge_len; 1519dd76986bSJohannes Berg u8 rsn_len; 1520dd76986bSJohannes Berg u8 ext_supp_rates_len; 1521dd76986bSJohannes Berg u8 wmm_info_len; 1522dd76986bSJohannes Berg u8 wmm_param_len; 152341cbb0f5SLuca Coelho u8 he_cap_len; 1524dd76986bSJohannes Berg u8 mesh_id_len; 1525dd76986bSJohannes Berg u8 peering_len; 1526dd76986bSJohannes Berg u8 preq_len; 1527dd76986bSJohannes Berg u8 prep_len; 1528dd76986bSJohannes Berg u8 perr_len; 1529dd76986bSJohannes Berg u8 country_elem_len; 153078ac51f8SSara Sharon u8 bssid_index_len; 1531fcff4f10SPaul Stewart 1532fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1533fcff4f10SPaul Stewart bool parse_error; 1534dd76986bSJohannes Berg }; 1535dd76986bSJohannes Berg 1536f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1537f0706e82SJiri Benc struct ieee80211_hw *hw) 1538f0706e82SJiri Benc { 1539f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1540f0706e82SJiri Benc } 1541f0706e82SJiri Benc 1542ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1543ba8c3d6fSFelix Fietkau { 1544ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1545ba8c3d6fSFelix Fietkau } 1546f0706e82SJiri Benc 1547bb42f2d1SToke Høiland-Jørgensen static inline bool txq_has_queue(struct ieee80211_txq *txq) 1548bb42f2d1SToke Høiland-Jørgensen { 1549bb42f2d1SToke Høiland-Jørgensen struct txq_info *txqi = to_txq_info(txq); 1550bb42f2d1SToke Høiland-Jørgensen 1551bb42f2d1SToke Høiland-Jørgensen return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); 1552bb42f2d1SToke Høiland-Jørgensen } 1553bb42f2d1SToke Høiland-Jørgensen 1554571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1555571ecf67SJohannes Berg { 1556b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1557571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1558571ecf67SJohannes Berg } 1559571ecf67SJohannes Berg 1560f4bda337SThomas Pedersen static inline bool 1561f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1562f4bda337SThomas Pedersen { 1563f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1564f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1565f4a0f0c5SJohannes Berg if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END)) 1566f4a0f0c5SJohannes Berg return true; 1567da6a4352SJohannes Berg /* can't handle non-legacy preamble yet */ 1568f4a0f0c5SJohannes Berg if (status->flag & RX_FLAG_MACTIME_PLCP_START && 1569204a7dbcSAvraham Stern status->encoding == RX_ENC_LEGACY) 1570f4a0f0c5SJohannes Berg return true; 1571f4a0f0c5SJohannes Berg return false; 1572f4bda337SThomas Pedersen } 1573571ecf67SJohannes Berg 157472f15d53SMichael Braun void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); 157572f15d53SMichael Braun void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); 157672f15d53SMichael Braun 157772f15d53SMichael Braun /* This function returns the number of multicast stations connected to this 157872f15d53SMichael Braun * interface. It returns -1 if that number is not tracked, that is for netdevs 157972f15d53SMichael Braun * not in AP or AP_VLAN mode or when using 4addr. 158072f15d53SMichael Braun */ 158172f15d53SMichael Braun static inline int 158272f15d53SMichael Braun ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) 158372f15d53SMichael Braun { 158472f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP) 158572f15d53SMichael Braun return atomic_read(&sdata->u.ap.num_mcast_sta); 158672f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) 158772f15d53SMichael Braun return atomic_read(&sdata->u.vlan.num_mcast_sta); 158872f15d53SMichael Braun return -1; 158972f15d53SMichael Braun } 159072f15d53SMichael Braun 1591f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1592f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1593f4bda337SThomas Pedersen unsigned int mpdu_len, 1594f4bda337SThomas Pedersen unsigned int mpdu_offset); 1595e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 15965cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 15979c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 15989c6bd790SJohannes Berg u32 changed); 15990d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 160046900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1601f0706e82SJiri Benc 1602a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 16035ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 16045ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1605a2fcfccbSJohannes Berg 160649ddf8e6SJohannes Berg void ieee80211_check_fast_rx(struct sta_info *sta); 160749ddf8e6SJohannes Berg void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 160849ddf8e6SJohannes Berg void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 160949ddf8e6SJohannes Berg void ieee80211_clear_fast_rx(struct sta_info *sta); 161049ddf8e6SJohannes Berg 161146900298SJohannes Berg /* STA code */ 16129c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 161377fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 161477fdaa12SJohannes Berg struct cfg80211_auth_request *req); 161577fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 161677fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 161777fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 161863c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 161977fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 162063c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1621572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1622572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 16234a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1624ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 16252b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 16261fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 16271fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16281fa57d01SJohannes Berg struct sk_buff *skb); 1629d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1630be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1631afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 16321672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 16331672c0e3SJohannes Berg __le16 fc, bool acked); 16341a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1635b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 163602219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 16379c6bd790SJohannes Berg 163846900298SJohannes Berg /* IBSS code */ 163946900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 164046900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 16418bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 16428bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1643af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1644af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1645af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 16461fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 16471fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16481fa57d01SJohannes Berg struct sk_buff *skb); 1649cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1650cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1651cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1652cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 16531fa57d01SJohannes Berg 1654239281f8SRostislav Lisovy /* OCB code */ 1655239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1656239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1657239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1658239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1659239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1660239281f8SRostislav Lisovy struct ocb_setup *setup); 1661239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1662239281f8SRostislav Lisovy 16631fa57d01SJohannes Berg /* mesh code */ 16641fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 16651fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16661fa57d01SJohannes Berg struct sk_buff *skb); 1667b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 166866e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1669b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 167046900298SJohannes Berg 16719c6bd790SJohannes Berg /* scan/BSS handling */ 167246900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 167334bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1674be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 167576bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 167676bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 16777ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1678c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 16792a519311SJohannes Berg struct cfg80211_scan_request *req); 16805bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1681133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1682d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 16839c6bd790SJohannes Berg 16840a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1685c2b13452SJohannes Berg struct ieee80211_bss * 168698c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 168798c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 168898c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 168998c8fccfSJohannes Berg size_t len, 1690d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 169198c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1692c2b13452SJohannes Berg struct ieee80211_bss *bss); 1693ee385855SLuis Carlos Cobo 169479f460caSLuciano Coelho /* scheduled scan handling */ 1695d43c6b6eSDavid Spinadel int 1696d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1697d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 169879f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 169979f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 17000d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1701f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 170285a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 170379f460caSLuciano Coelho 1704a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1705aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1706aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 17072eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 17082eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1709c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1710c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1711a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1712a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1713a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1714a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1715a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1716a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1717a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1718a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1719a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1720b203ffc3SJouni Malinen 172173da7d5bSSimon Wunderlich /* channel switch handling */ 172273da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 172382a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 172482a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 172573da7d5bSSimon Wunderlich 17263e122be0SJohannes Berg /* interface handling */ 172747846c9bSJohannes Berg int ieee80211_iface_init(void); 172847846c9bSJohannes Berg void ieee80211_iface_exit(void); 17293e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 17306bab2e19STom Gundersen unsigned char name_assign_type, 173184efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1732ee385855SLuis Carlos Cobo struct vif_params *params); 1733f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 173405c914feSJohannes Berg enum nl80211_iftype type); 1735f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 173675636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1737382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 17385cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 173985416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 174085416a4fSChristian Lamparter const int offset); 1741f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1742f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 17433c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 17443c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1745f0706e82SJiri Benc 17461ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1747db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1748db82d8a9SLorenzo Bianconi bool update_bss); 17491ea6f9c0SJohannes Berg 17509607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 17519607e6b6SJohannes Berg { 175234d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 17539607e6b6SJohannes Berg } 17549607e6b6SJohannes Berg 1755e2ebc74dSJohannes Berg /* tx handling */ 1756e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1757e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1758d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1759d0cf9c0dSStephen Hemminger struct net_device *dev); 1760d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1761d0cf9c0dSStephen Hemminger struct net_device *dev); 176224d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 176324d342c5SLiad Kaufman struct net_device *dev, 176424d342c5SLiad Kaufman u32 info_flags); 17651f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 17661f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 17677528ec57SJohannes Berg struct sk_buff * 17687528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 17697528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 17704dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 17714dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 17724dc792b8SHelmut Schaa int retry_count, int shift, bool send_to_cooked); 1773e2ebc74dSJohannes Berg 177417c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 177517c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 177617c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 177717c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 177891180649SDenis Kenzior int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, 177991180649SDenis Kenzior const u8 *buf, size_t len, 178091180649SDenis Kenzior const u8 *dest, __be16 proto, bool unencrypted); 178117c18bf8SJohannes Berg 1782de1ede7aSJohannes Berg /* HT */ 1783ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1784ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1785e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1786ef96a842SBen Greear struct ieee80211_supported_band *sband, 17874a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1788e1a0c6b3SJohannes Berg struct sta_info *sta); 1789b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1790b8695a8fSJohannes Berg const u8 *da, u16 tid, 1791b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 17920f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 17930f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 17940f78231bSJohannes Berg const u8 *bssid); 1795687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1796687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1797687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1798687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1799de1ede7aSJohannes Berg 18007c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 180153f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1802849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 180353f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1804bde59c47SJohannes Berg void ___ieee80211_start_rx_ba_session(struct sta_info *sta, 1805bde59c47SJohannes Berg u8 dialog_token, u16 timeout, 1806bde59c47SJohannes Berg u16 start_seq_num, u16 ba_policy, u16 tid, 1807bde59c47SJohannes Berg u16 buf_size, bool tx, bool auto_seq); 1808c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1809c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1810de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1811de1ede7aSJohannes Berg struct sta_info *sta, 1812de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1813de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1814de1ede7aSJohannes Berg struct sta_info *sta, 1815de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1816de1ede7aSJohannes Berg size_t len); 1817de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1818de1ede7aSJohannes Berg struct sta_info *sta, 1819de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1820de1ede7aSJohannes Berg size_t len); 1821de1ede7aSJohannes Berg 1822849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1823c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 182467c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1825c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 18267a7c0a64SJohannes Berg void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, 18277a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 18287a7c0a64SJohannes Berg void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, 18297a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 183067c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 183167c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 18322bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1833849b7967SJohannes Berg 183404ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 183557566b20Stamizhr@codeaurora.org enum nl80211_smps_mode 183657566b20Stamizhr@codeaurora.org ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps); 183704ecd257SJohannes Berg 1838818255eaSMahesh Palivela /* VHT */ 18394a3cb702SJohannes Berg void 18404a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1841818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 18424a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 18434a34215eSJohannes Berg struct sta_info *sta); 18441c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1845e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 18468921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 184759021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 184859021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 184959021c67SArik Nemtsov enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); 185059021c67SArik Nemtsov void ieee80211_sta_set_rx_nss(struct sta_info *sta); 185123a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 185223a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 1853b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1854b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 185557fbcce3SJohannes Berg enum nl80211_band band); 18560af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 18570af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 185857fbcce3SJohannes Berg enum nl80211_band band); 1859dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1860dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1861b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1862b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 186397f5f425Stamizhr@codeaurora.org enum nl80211_chan_width 186497f5f425Stamizhr@codeaurora.org ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta); 18654a34215eSJohannes Berg 186641cbb0f5SLuca Coelho /* HE */ 186741cbb0f5SLuca Coelho void 186841cbb0f5SLuca Coelho ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 186941cbb0f5SLuca Coelho struct ieee80211_supported_band *sband, 187041cbb0f5SLuca Coelho const u8 *he_cap_ie, u8 he_cap_len, 187141cbb0f5SLuca Coelho struct sta_info *sta); 187241cbb0f5SLuca Coelho 187339192c0bSJohannes Berg /* Spectrum management */ 187439192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 187539192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 187639192c0bSJohannes Berg size_t len); 1877e6b7cde4SSimon Wunderlich /** 1878e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1879e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1880e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1881e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1882e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1883e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1884e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1885e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1886e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1887e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1888e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1889c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1890c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1891e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1892e6b7cde4SSimon Wunderlich */ 1893e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 189484469a45SLuciano Coelho struct ieee802_11_elems *elems, 189557fbcce3SJohannes Berg enum nl80211_band current_band, 1896c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1897c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 189839192c0bSJohannes Berg 1899f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1900f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 190184f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1902f2753ddbSJohannes Berg 1903eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1904eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1905f2753ddbSJohannes Berg 1906f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1907f2753ddbSJohannes Berg { 190885f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 190985f72bc8SJohn W. Linville 19109120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 19119120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 191285f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 191385f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 191485f72bc8SJohn W. Linville 1915f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1916f2753ddbSJohannes Berg } 1917665af4fcSBob Copeland 1918c2d1560aSJohannes Berg /* utility functions/constants */ 19198a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 192057fbcce3SJohannes Berg int ieee80211_frame_duration(enum nl80211_band band, size_t len, 1921438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1922438b61b7SSimon Wunderlich int shift); 1923e552af05SHaim Dreyfuss void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, 1924e552af05SHaim Dreyfuss struct ieee80211_tx_queue_params *qparam, 1925e552af05SHaim Dreyfuss int ac); 19263abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 1927cec66283SJohannes Berg bool bss_notify, bool enable_qos); 19287c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 1929b9771d41SJohannes Berg struct sta_info *sta, struct sk_buff *skb, 1930b9771d41SJohannes Berg u32 txdata_flags); 1931cf6bb79aSHelmut Schaa 193255de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 193355de908aSJohannes Berg struct sk_buff *skb, int tid, 1934b9771d41SJohannes Berg enum nl80211_band band, u32 txdata_flags); 193555de908aSJohannes Berg 193655de908aSJohannes Berg static inline void 193755de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 193855de908aSJohannes Berg struct sk_buff *skb, int tid, 1939b9771d41SJohannes Berg enum nl80211_band band, u32 txdata_flags) 194055de908aSJohannes Berg { 194155de908aSJohannes Berg rcu_read_lock(); 1942b9771d41SJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band, txdata_flags); 194355de908aSJohannes Berg rcu_read_unlock(); 194455de908aSJohannes Berg } 194555de908aSJohannes Berg 194655de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 194755de908aSJohannes Berg struct sk_buff *skb, int tid) 194855de908aSJohannes Berg { 194955de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 195055de908aSJohannes Berg 195155de908aSJohannes Berg rcu_read_lock(); 195255de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 195355de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 195455de908aSJohannes Berg rcu_read_unlock(); 195555de908aSJohannes Berg kfree_skb(skb); 195655de908aSJohannes Berg return; 195755de908aSJohannes Berg } 195855de908aSJohannes Berg 195955de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 1960b9771d41SJohannes Berg chanctx_conf->def.chan->band, 0); 196155de908aSJohannes Berg rcu_read_unlock(); 196255de908aSJohannes Berg } 196355de908aSJohannes Berg 196455de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1965cf6bb79aSHelmut Schaa struct sk_buff *skb) 1966cf6bb79aSHelmut Schaa { 1967cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1968cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1969cf6bb79aSHelmut Schaa } 1970cf6bb79aSHelmut Schaa 197135d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1972d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 19734abb52a4SSara Sharon u64 filter, u32 crc, u8 *transmitter_bssid, 19744abb52a4SSara Sharon u8 *bss_bssid); 197535d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 197635d865afSJohannes Berg bool action, 19774abb52a4SSara Sharon struct ieee802_11_elems *elems, 19784abb52a4SSara Sharon u8 *transmitter_bssid, 19794abb52a4SSara Sharon u8 *bss_bssid) 1980ddc4db2eSJohannes Berg { 19814abb52a4SSara Sharon ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0, 19824abb52a4SSara Sharon transmitter_bssid, bss_bssid); 1983ddc4db2eSJohannes Berg } 1984ddc4db2eSJohannes Berg 198583eb935eSMichal Kazior 198602219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 198702219b3aSJohannes Berg 198802219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 198902219b3aSJohannes Berg { 199002219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 199102219b3aSJohannes Berg } 199202219b3aSJohannes Berg 1993520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1994520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 199534f11cd3SKees Cook void ieee80211_dynamic_ps_timer(struct timer_list *t); 1996a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1997a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1998076cdcb1SJohannes Berg bool powersave); 19993cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 20003cf335d5SKalle Valo struct ieee80211_hdr *hdr); 20014e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 200202219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 2003520eb820SKalle Valo 2004ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 2005445ea4e8SJohannes Berg unsigned long queues, 2006cca07b00SLuciano Coelho enum queue_stop_reason reason, 2007cca07b00SLuciano Coelho bool refcounted); 200826da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 200926da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 201026da23b6SLuciano Coelho enum queue_stop_reason reason); 201126da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 201226da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 201326da23b6SLuciano Coelho enum queue_stop_reason reason); 2014ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 2015445ea4e8SJohannes Berg unsigned long queues, 2016cca07b00SLuciano Coelho enum queue_stop_reason reason, 2017cca07b00SLuciano Coelho bool refcounted); 201896f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 2019cca07b00SLuciano Coelho enum queue_stop_reason reason, 2020cca07b00SLuciano Coelho bool refcounted); 202196f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 2022cca07b00SLuciano Coelho enum queue_stop_reason reason, 2023cca07b00SLuciano Coelho bool refcounted); 20243a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 20258f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 20268f77f384SJohannes Berg struct sk_buff *skb); 2027e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 2028e3685e03SJohannes Berg struct sk_buff_head *skbs); 202939ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 20303b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 20314f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 20324f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 20333b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 2034ce7c9111SKalle Valo 20354afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 20364afaff17SEmmanuel Grumbach { 20374afaff17SEmmanuel Grumbach /* 20384afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 20394afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 20404afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 20414afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 20424afaff17SEmmanuel Grumbach */ 20434afaff17SEmmanuel Grumbach if (local->quiescing) 20444afaff17SEmmanuel Grumbach return false; 20454afaff17SEmmanuel Grumbach 20464afaff17SEmmanuel Grumbach /* 20474afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 20484afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 20494afaff17SEmmanuel Grumbach * 20504afaff17SEmmanuel Grumbach * if (local->quiescing) 20514afaff17SEmmanuel Grumbach * return; 20524afaff17SEmmanuel Grumbach * local->quiescing = true; 20534afaff17SEmmanuel Grumbach * flush_workqueue(); 20544afaff17SEmmanuel Grumbach * queue_work(...); 20554afaff17SEmmanuel Grumbach * local->suspended = true; 20564afaff17SEmmanuel Grumbach * local->quiescing = false; 20574afaff17SEmmanuel Grumbach * worker starts running... 20584afaff17SEmmanuel Grumbach */ 20594afaff17SEmmanuel Grumbach if (local->suspended) 20604afaff17SEmmanuel Grumbach return false; 20614afaff17SEmmanuel Grumbach 20624afaff17SEmmanuel Grumbach return true; 20634afaff17SEmmanuel Grumbach } 20644afaff17SEmmanuel Grumbach 2065fa962b92SMichal Kazior int ieee80211_txq_setup_flows(struct ieee80211_local *local); 20662fe4a29aSToke Høiland-Jørgensen void ieee80211_txq_set_params(struct ieee80211_local *local); 2067fa962b92SMichal Kazior void ieee80211_txq_teardown_flows(struct ieee80211_local *local); 2068fa962b92SMichal Kazior void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, 2069ba8c3d6fSFelix Fietkau struct sta_info *sta, 2070ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 2071fa962b92SMichal Kazior void ieee80211_txq_purge(struct ieee80211_local *local, 2072fa962b92SMichal Kazior struct txq_info *txqi); 20732a9e2579SJohannes Berg void ieee80211_txq_remove_vlan(struct ieee80211_local *local, 20742a9e2579SJohannes Berg struct ieee80211_sub_if_data *sdata); 20752fe4a29aSToke Høiland-Jørgensen void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 20762fe4a29aSToke Høiland-Jørgensen struct txq_info *txqi); 207721a5d4c3SManikanta Pubbisetty void ieee80211_wake_txqs(unsigned long data); 207846900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 2079700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 20804a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 20811672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 20821672c0e3SJohannes Berg u32 tx_flags); 20836ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 20846ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 20856ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 208600387f32SJohannes Berg 208700387f32SJohannes Berg enum { 208800387f32SJohannes Berg IEEE80211_PROBE_FLAG_DIRECTED = BIT(0), 2089b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1), 2090b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2), 209100387f32SJohannes Berg }; 209200387f32SJohannes Berg 2093de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 2094c56ef672SDavid Spinadel size_t buffer_len, 2095c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 2096c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 2097c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 209800387f32SJohannes Berg struct cfg80211_chan_def *chandef, 209900387f32SJohannes Berg u32 flags); 2100a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 2101a344d677SJohannes Berg const u8 *src, const u8 *dst, 2102a344d677SJohannes Berg u32 ratemask, 21036b77863bSJohannes Berg struct ieee80211_channel *chan, 2104a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 2105a806c558SPaul Stewart const u8 *ie, size_t ie_len, 210600387f32SJohannes Berg u32 flags); 21072103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 210846900298SJohannes Berg struct ieee802_11_elems *elems, 210957fbcce3SJohannes Berg enum nl80211_band band, u32 *basic_rates); 2110687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2111687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 2112687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 21130f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 211404ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 211521f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 211646900298SJohannes Berg 21178e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 2118ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 211942e7aa77SAlexander Simon u16 cap); 2120074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 21214bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 212257f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 212375d627d5SSimon Wunderlich void ieee80211_ie_build_wide_bw_cs(u8 *pos, 212475d627d5SSimon Wunderlich const struct cfg80211_chan_def *chandef); 2125ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2126ba0afa2fSMahesh Palivela u32 cap); 2127fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2128fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 212941cbb0f5SLuca Coelho u8 *ieee80211_ie_build_he_cap(u8 *pos, 213041cbb0f5SLuca Coelho const struct ieee80211_sta_he_cap *he_cap, 213141cbb0f5SLuca Coelho u8 *end); 21322103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 21332103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 21342103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 2135fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 21366b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 213757fbcce3SJohannes Berg enum nl80211_band band); 2138fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 21396b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 214057fbcce3SJohannes Berg enum nl80211_band band); 214140b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 21428e664fb3SJohannes Berg 2143f444de05SJohannes Berg /* channel management */ 21448ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 21454bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 21467eb26df2SJohannes Berg bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, 21477eb26df2SJohannes Berg const struct ieee80211_vht_operation *oper, 21487eb26df2SJohannes Berg const struct ieee80211_ht_operation *htop, 2149abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 2150e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 2151f444de05SJohannes Berg 2152d01a1e65SMichal Kazior int __must_check 2153d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 21544bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2155d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 21562c9b7359SJohannes Berg int __must_check 215711335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 215811335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 215909332481SMichal Kazior enum ieee80211_chanctx_mode mode, 216009332481SMichal Kazior bool radar_required); 216111335a55SLuciano Coelho int __must_check 21625bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 216311335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 216411335a55SLuciano Coelho 216511335a55SLuciano Coelho int __must_check 21662c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 21672c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 21682c9b7359SJohannes Berg u32 *changed); 2169d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 21704d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 21711f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 21721f4ac5a6SJohannes Berg bool clear); 2173c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2174c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2175d01a1e65SMichal Kazior 217604ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 217704ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 217821f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 217921f659bfSEliad Peller struct ieee80211_chanctx *ctx); 21805cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2181164eb02dSSimon Wunderlich 2182164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2183164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2184164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2185164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2186c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2187c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 218804ecd257SJohannes Berg 21892475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 21902475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 21912475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 21922475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 21932475b1ccSMax Stepanov enum nl80211_iftype iftype); 21942475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 21952475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 21962475b1ccSMax Stepanov enum nl80211_iftype iftype); 2197057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2198057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 219973de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 220073de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 220173de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 220273de86a3SLuciano Coelho u8 radar_detect); 22036fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 22040fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 22050fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 22060fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 22072475b1ccSMax Stepanov 220895224fe8SArik Nemtsov /* TDLS */ 220995224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 22103b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 221195224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 221231fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 221331fa97c5SArik Nemtsov size_t extra_ies_len); 221495224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 22153b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2216c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2217a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2218a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2219a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2220a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2221a7a6bdd0SArik Nemtsov struct net_device *dev, 2222a7a6bdd0SArik Nemtsov const u8 *addr); 2223d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2224c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 222595224fe8SArik Nemtsov 2226b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2227b7ffbd7eSJohannes Berg 2228f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2229d9e8a70fSJohannes Berg #define debug_noinline noinline 2230d9e8a70fSJohannes Berg #else 2231d9e8a70fSJohannes Berg #define debug_noinline 2232d9e8a70fSJohannes Berg #endif 2233d9e8a70fSJohannes Berg 2234f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2235