1d2912cb1SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2f0706e82SJiri Benc /* 3f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 4f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 5f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 6026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 742bd20d9SAviya Erenfeld * Copyright 2013-2015 Intel Mobile Communications GmbH 84abb52a4SSara Sharon * Copyright (C) 2018-2019 Intel Corporation 9f0706e82SJiri Benc */ 10f0706e82SJiri Benc 11f0706e82SJiri Benc #ifndef IEEE80211_I_H 12f0706e82SJiri Benc #define IEEE80211_I_H 13f0706e82SJiri Benc 14f0706e82SJiri Benc #include <linux/kernel.h> 15f0706e82SJiri Benc #include <linux/device.h> 16f0706e82SJiri Benc #include <linux/if_ether.h> 17f0706e82SJiri Benc #include <linux/interrupt.h> 18f0706e82SJiri Benc #include <linux/list.h> 19f0706e82SJiri Benc #include <linux/netdevice.h> 20f0706e82SJiri Benc #include <linux/skbuff.h> 21f0706e82SJiri Benc #include <linux/workqueue.h> 22f0706e82SJiri Benc #include <linux/types.h> 23f0706e82SJiri Benc #include <linux/spinlock.h> 24571ecf67SJohannes Berg #include <linux/etherdevice.h> 25e1e54068SJohannes Berg #include <linux/leds.h> 26a729cff8SJohannes Berg #include <linux/idr.h> 277bedd0cfSJohannes Berg #include <linux/rhashtable.h> 28fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2993da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3051cb6db0SDavid S. Miller #include <net/mac80211.h> 31fa962b92SMichal Kazior #include <net/fq.h> 322c8dccc7SJohannes Berg #include "key.h" 33f0706e82SJiri Benc #include "sta_info.h" 34bdcbd8e0SJohannes Berg #include "debug.h" 35f0706e82SJiri Benc 363beea351SJohannes Berg extern const struct cfg80211_ops mac80211_config_ops; 373beea351SJohannes Berg 389cfb0009SJohannes Berg struct ieee80211_local; 39f0706e82SJiri Benc 40f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 41f0706e82SJiri Benc * associated stations are using power saving. */ 42f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 43f0706e82SJiri Benc 44f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 45f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 46f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 47f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 48f0706e82SJiri Benc 49f0706e82SJiri Benc /* Required encryption head and tailroom */ 50f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 51765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 52f0706e82SJiri Benc 53f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 54f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 55f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 56f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 57f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 58f0706e82SJiri Benc 591ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 601ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 611ea6f9c0SJohannes Berg 62d6a4ed6fSArik Nemtsov /* 63aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 64aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 65aa75ebc2SMichal Kazior * enough. 66aa75ebc2SMichal Kazior * 67aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 68aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 69aa75ebc2SMichal Kazior * 70aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 71aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 72aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 73aa75ebc2SMichal Kazior * accidentally after a long time. 74aa75ebc2SMichal Kazior * 75aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 76aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 77aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 78aa75ebc2SMichal Kazior * frame support doesn't make much sense. 79d6a4ed6fSArik Nemtsov */ 80aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 81ab13315aSKalle Valo 82ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 83ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 84ab13315aSKalle Valo 85f438ceb8SEmmanuel Grumbach extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS]; 86f438ceb8SEmmanuel Grumbach 876ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 886ae16775SAntonio Quartulli 89167e33f4SAyala Beker #define IEEE80211_MAX_NAN_INSTANCE_ID 255 90167e33f4SAyala Beker 91f0706e82SJiri Benc struct ieee80211_fragment_entry { 92f0706e82SJiri Benc struct sk_buff_head skb_list; 9369f13223SJohannes Berg unsigned long first_frag_time; 9469f13223SJohannes Berg u16 seq; 9569f13223SJohannes Berg u16 extra_len; 9669f13223SJohannes Berg u16 last_frag; 9769f13223SJohannes Berg u8 rx_queue; 989acc54beSJohannes Berg bool check_sequential_pn; /* needed for CCMP/GCMP */ 99f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 100f0706e82SJiri Benc }; 101f0706e82SJiri Benc 102f0706e82SJiri Benc 103c2b13452SJohannes Berg struct ieee80211_bss { 104ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 1058c358bcdSJohannes Berg 10643ac2ca3SJouni Malinen bool wmm_used; 107ab13315aSKalle Valo bool uapsd_supported; 10800d3f14cSJohannes Berg 109f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 110f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 111f0706e82SJiri Benc size_t supp_rates_len; 112817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 113f0706e82SJiri Benc 11400d3f14cSJohannes Berg /* 11525985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1165628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1175628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11800d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11900d3f14cSJohannes Berg */ 12000d3f14cSJohannes Berg bool has_erp_value; 1215628221cSDaniel Drake u8 erp_value; 122fcff4f10SPaul Stewart 123fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 124fcff4f10SPaul Stewart u8 corrupt_data; 125fcff4f10SPaul Stewart 126fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 127fcff4f10SPaul Stewart u8 valid_data; 128fcff4f10SPaul Stewart }; 129fcff4f10SPaul Stewart 130fcff4f10SPaul Stewart /** 131fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 132fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 133fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 134fcff4f10SPaul Stewart * 135fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 136fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 137fcff4f10SPaul Stewart */ 138fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 139fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 140fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 141fcff4f10SPaul Stewart }; 142fcff4f10SPaul Stewart 143fcff4f10SPaul Stewart /** 144fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 145fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 146fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 147fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 148fcff4f10SPaul Stewart * 149fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 150fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 151d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 152fcff4f10SPaul Stewart * beacon/probe response. 153fcff4f10SPaul Stewart */ 154fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 155fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 156fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 157fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 158f0706e82SJiri Benc }; 159f0706e82SJiri Benc 1609efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_tx_result; 1619ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1629ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1639ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1649ae54c84SJohannes Berg 165b9771d41SJohannes Berg #define IEEE80211_TX_NO_SEQNO BIT(0) 1665cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1675cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1689ae54c84SJohannes Berg 1695cf121c3SJohannes Berg struct ieee80211_tx_data { 170f0706e82SJiri Benc struct sk_buff *skb; 171252b86c4SJohannes Berg struct sk_buff_head skbs; 172f0706e82SJiri Benc struct ieee80211_local *local; 173f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 174f0706e82SJiri Benc struct sta_info *sta; 175f0706e82SJiri Benc struct ieee80211_key *key; 1760d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1775cf121c3SJohannes Berg 178056cdd59SJohannes Berg unsigned int flags; 1795cf121c3SJohannes Berg }; 1805cf121c3SJohannes Berg 1815cf121c3SJohannes Berg 1829efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_rx_result; 1835cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1845cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1855cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1865cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1875cf121c3SJohannes Berg 188554891e6SJohannes Berg /** 189554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 190554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 191554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1924cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 193554891e6SJohannes Berg * 194554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 195554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 196554891e6SJohannes Berg */ 197554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 198554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 199554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2004cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 201554891e6SJohannes Berg }; 202554891e6SJohannes Berg 203554891e6SJohannes Berg /** 204554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 205554891e6SJohannes Berg * 206554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 207ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 208ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 209554891e6SJohannes Berg * 210554891e6SJohannes Berg * These flags are used across handling multiple interfaces 211554891e6SJohannes Berg * for a single frame. 212554891e6SJohannes Berg */ 213554891e6SJohannes Berg enum ieee80211_rx_flags { 214554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 215ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 216554891e6SJohannes Berg }; 2175cf121c3SJohannes Berg 2185cf121c3SJohannes Berg struct ieee80211_rx_data { 219af9f9b22SJohannes Berg struct napi_struct *napi; 2205cf121c3SJohannes Berg struct sk_buff *skb; 2215cf121c3SJohannes Berg struct ieee80211_local *local; 2225cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2235cf121c3SJohannes Berg struct sta_info *sta; 2245cf121c3SJohannes Berg struct ieee80211_key *key; 225056cdd59SJohannes Berg 226056cdd59SJohannes Berg unsigned int flags; 2279e26297aSJohannes Berg 2289e26297aSJohannes Berg /* 2299e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2309e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2319e26297aSJohannes Berg * will be 16 on non-QoS frames. 2329e26297aSJohannes Berg */ 2339e26297aSJohannes Berg int seqno_idx; 2349e26297aSJohannes Berg 2359e26297aSJohannes Berg /* 2369e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2379e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2389e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2399e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2409e26297aSJohannes Berg */ 2419e26297aSJohannes Berg int security_idx; 2429e26297aSJohannes Berg 24350741ae0SJohannes Berg u32 tkip_iv32; 24450741ae0SJohannes Berg u16 tkip_iv16; 245f0706e82SJiri Benc }; 246f0706e82SJiri Benc 247af296bdbSMichal Kazior struct ieee80211_csa_settings { 248af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 249af296bdbSMichal Kazior const u16 *counter_offsets_presp; 250af296bdbSMichal Kazior 251af296bdbSMichal Kazior int n_counter_offsets_beacon; 252af296bdbSMichal Kazior int n_counter_offsets_presp; 253af296bdbSMichal Kazior 254af296bdbSMichal Kazior u8 count; 255af296bdbSMichal Kazior }; 256af296bdbSMichal Kazior 2575dfdaf58SJohannes Berg struct beacon_data { 2585dfdaf58SJohannes Berg u8 *head, *tail; 2595dfdaf58SJohannes Berg int head_len, tail_len; 26043552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 261af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 262af296bdbSMichal Kazior u8 csa_current_counter; 2638860020eSJohannes Berg struct rcu_head rcu_head; 2645dfdaf58SJohannes Berg }; 2655dfdaf58SJohannes Berg 266aa7a0080SEyal Shapira struct probe_resp { 267aa7a0080SEyal Shapira struct rcu_head rcu_head; 268aa7a0080SEyal Shapira int len; 269af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 270aa7a0080SEyal Shapira u8 data[0]; 271aa7a0080SEyal Shapira }; 272aa7a0080SEyal Shapira 273d012a605SMarco Porsch struct ps_data { 274d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 275d012a605SMarco Porsch * bitmap_empty :) 276d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2775fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2785fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 279d012a605SMarco Porsch struct sk_buff_head bc_buf; 280d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 281d012a605SMarco Porsch int dtim_count; 282d012a605SMarco Porsch bool dtim_bc_mc; 283d012a605SMarco Porsch }; 284d012a605SMarco Porsch 285f0706e82SJiri Benc struct ieee80211_if_ap { 28640b275b6SJohannes Berg struct beacon_data __rcu *beacon; 287aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 288f0706e82SJiri Benc 28973da7d5bSSimon Wunderlich /* to be used after channel switch. */ 29073da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2914e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2920ec3ca44SJohannes Berg 293d012a605SMarco Porsch struct ps_data ps; 294030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 295687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 296687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 297687da132SEmmanuel Grumbach 298687da132SEmmanuel Grumbach struct work_struct request_smps_work; 299ebceec86SMichael Braun bool multicast_to_unicast; 300f0706e82SJiri Benc }; 301f0706e82SJiri Benc 302f0706e82SJiri Benc struct ieee80211_if_wds { 303f0706e82SJiri Benc struct sta_info *sta; 304056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 305f0706e82SJiri Benc }; 306f0706e82SJiri Benc 307f0706e82SJiri Benc struct ieee80211_if_vlan { 3084e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 309f14543eeSFelix Fietkau 310f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 31140b275b6SJohannes Berg struct sta_info __rcu *sta; 31272f15d53SMichael Braun atomic_t num_mcast_sta; /* number of stations receiving multicast */ 313f0706e82SJiri Benc }; 314f0706e82SJiri Benc 315ee385855SLuis Carlos Cobo struct mesh_stats { 316c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 317c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 318c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 319ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 320ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 321cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 322ee385855SLuis Carlos Cobo }; 323ee385855SLuis Carlos Cobo 324ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 325ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 326ee385855SLuis Carlos Cobo struct mesh_preq_queue { 327ee385855SLuis Carlos Cobo struct list_head list; 328ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 329ee385855SLuis Carlos Cobo u8 flags; 330ee385855SLuis Carlos Cobo }; 331ee385855SLuis Carlos Cobo 3322eb278e0SJohannes Berg struct ieee80211_roc_work { 33377fdaa12SJohannes Berg struct list_head list; 334af6b6374SJohannes Berg 335af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 336af6b6374SJohannes Berg 337f679f65dSJohannes Berg struct ieee80211_channel *chan; 338af6b6374SJohannes Berg 3392eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 340b4b177a5SJohannes Berg bool on_channel; 341f679f65dSJohannes Berg 342aaa016ccSJohannes Berg unsigned long start_time; 343e4da8c37SJohannes Berg 3442eb278e0SJohannes Berg u32 duration, req_duration; 345f30221e4SJohannes Berg struct sk_buff *frame; 34650febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 347d339d5caSIlan Peer enum ieee80211_roc_type type; 34877fdaa12SJohannes Berg }; 34977fdaa12SJohannes Berg 35046900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 351ab1faeadSJohannes Berg enum ieee80211_sta_flags { 352b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 353b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 354a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 355b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 356ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 357375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35817e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 35924398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 360d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 361f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 362f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 363095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 364cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 36541cbb0f5SLuca Coelho IEEE80211_STA_DISABLE_HE = BIT(16), 366ab1faeadSJohannes Berg }; 367ab1faeadSJohannes Berg 36866e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 36966e67e41SJohannes Berg struct cfg80211_bss *bss; 37066e67e41SJohannes Berg unsigned long timeout; 37166e67e41SJohannes Berg int tries; 37266e67e41SJohannes Berg u16 algorithm, expected_transaction; 37366e67e41SJohannes Berg 37466e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37566e67e41SJohannes Berg u8 key_len, key_idx; 37666e67e41SJohannes Berg bool done; 377efb543e6SJouni Malinen bool peer_confirmed; 37889afe614SJohannes Berg bool timeout_started; 37966e67e41SJohannes Berg 3806b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3816b8ece3aSJouni Malinen size_t data_len; 3826b8ece3aSJouni Malinen u8 data[]; 38366e67e41SJohannes Berg }; 38466e67e41SJohannes Berg 38566e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38666e67e41SJohannes Berg struct cfg80211_bss *bss; 38766e67e41SJohannes Berg const u8 *supp_rates; 38866e67e41SJohannes Berg 38966e67e41SJohannes Berg unsigned long timeout; 39066e67e41SJohannes Berg int tries; 39166e67e41SJohannes Berg 39266e67e41SJohannes Berg u16 capability; 39366e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39466e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39566e67e41SJohannes Berg u8 ssid_len; 39666e67e41SJohannes Berg u8 supp_rates_len; 39776f0303dSJohannes Berg bool wmm, uapsd; 398989c6505SAlexander Bondar bool need_beacon; 39966e67e41SJohannes Berg bool synced; 40089afe614SJohannes Berg bool timeout_started; 40166e67e41SJohannes Berg 4029dde6423SJohannes Berg u8 ap_ht_param; 4039dde6423SJohannes Berg 404b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 405b08fbbd8SJohannes Berg 40639404feeSJouni Malinen u8 fils_nonces[2 * FILS_NONCE_LEN]; 40739404feeSJouni Malinen u8 fils_kek[FILS_MAX_KEK_LEN]; 40839404feeSJouni Malinen size_t fils_kek_len; 40939404feeSJouni Malinen 41066e67e41SJohannes Berg size_t ie_len; 41166e67e41SJohannes Berg u8 ie[]; 41266e67e41SJohannes Berg }; 41366e67e41SJohannes Berg 41402219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41502219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41602219b3aSJohannes Berg unsigned long time_slice_start; 41702219b3aSJohannes Berg 41802219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 41902219b3aSJohannes Berg u8 tsid; 42002219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 42102219b3aSJohannes Berg 42202219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42302219b3aSJohannes Berg u32 consumed_tx_time; 42402219b3aSJohannes Berg enum { 42502219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42602219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 42702219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 42802219b3aSJohannes Berg } action; 42902219b3aSJohannes Berg bool downgraded; 43002219b3aSJohannes Berg }; 43102219b3aSJohannes Berg 432eb1e011aSJohannes Berg DECLARE_EWMA(beacon_signal, 4, 4) 433338c17aeSJohannes Berg 43446900298SJohannes Berg struct ieee80211_if_managed { 435056cdd59SJohannes Berg struct timer_list timer; 436b291ba11SJohannes Berg struct timer_list conn_mon_timer; 437b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 438c481ec97SSujith struct timer_list chswitch_timer; 439b291ba11SJohannes Berg struct work_struct monitor_work; 440c481ec97SSujith struct work_struct chswitch_work; 4411e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 442882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44346900298SJohannes Berg 4447ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 445b291ba11SJohannes Berg unsigned long probe_timeout; 446a43abf29SMaxim Levitsky int probe_send_count; 44704ac3c0eSFelix Fietkau bool nullfunc_failed; 448682bd38bSJohannes Berg bool connection_loss; 449b291ba11SJohannes Berg 4500c1ad2caSJohannes Berg struct cfg80211_bss *associated; 45166e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 45266e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45346900298SJohannes Berg 454a3e2f4b6SMichael Braun u8 bssid[ETH_ALEN] __aligned(2); 45546900298SJohannes Berg 456f0706e82SJiri Benc u16 aid; 457f0706e82SJiri Benc 458965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 45905cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 460989c6505SAlexander Bondar bool have_beacon; 461826262c3SJohannes Berg u8 dtim_period; 4620f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 463d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 464d1f5b7a3SJohannes Berg 465d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 466965bedadSJohannes Berg 467d6f2da5bSJiri Slaby unsigned int flags; 468f0706e82SJiri Benc 4690c21e632SLuciano Coelho bool csa_waiting_bcn; 470f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4710c21e632SLuciano Coelho 472d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 473d91f36dbSJohannes Berg u32 beacon_crc; 474d91f36dbSJohannes Berg 4751672c0e3SJohannes Berg bool status_acked; 4761672c0e3SJohannes Berg bool status_received; 4771672c0e3SJohannes Berg __le16 status_fc; 4781672c0e3SJohannes Berg 479fdfacf0aSJouni Malinen enum { 480fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 481fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 482fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 483fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 484fdfacf0aSJouni Malinen 485dc41e4d4SEliad Peller /* 486dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 487dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 488dc41e4d4SEliad Peller * to take effect. 489dc41e4d4SEliad Peller */ 490dc41e4d4SEliad Peller unsigned int uapsd_queues; 491dc41e4d4SEliad Peller 492dc41e4d4SEliad Peller /* 493dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 494dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 495dc41e4d4SEliad Peller * Needs a new association to take effect. 496dc41e4d4SEliad Peller */ 497dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 498dc41e4d4SEliad Peller 499f0706e82SJiri Benc int wmm_last_param_set; 5002e249fc3SShaul Triebitz int mu_edca_last_param_set; 5019bc383deSJohannes Berg 5029bc383deSJohannes Berg u8 use_4addr; 50317e4ec14SJouni Malinen 50467baf663SJanusz Dziedzic s16 p2p_noa_index; 505488dd7b5SJohannes Berg 506338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 50717e4ec14SJouni Malinen 50817e4ec14SJouni Malinen /* 509391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 510391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 511391a200aSJouni Malinen * only on couple of received frames. 512391a200aSJouni Malinen */ 513391a200aSJouni Malinen unsigned int count_beacon_signal; 514391a200aSJouni Malinen 515976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 516976bd9efSJohannes Berg unsigned int beacon_loss_count; 517976bd9efSJohannes Berg 518391a200aSJouni Malinen /* 51917e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 52017e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 52117e4ec14SJouni Malinen * generated for the current association. 52217e4ec14SJouni Malinen */ 52317e4ec14SJouni Malinen int last_cqm_event_signal; 524615f7b9bSMeenakshi Venkataraman 525615f7b9bSMeenakshi Venkataraman /* 526615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 527615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 528615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 529615f7b9bSMeenakshi Venkataraman */ 530615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 531615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 532ef96a842SBen Greear 533ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 534ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 535dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 536dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 53781dd2b88SArik Nemtsov 5381277b4a9SLiad Kaufman /* TDLS support */ 53981dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 54081dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5411277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5421277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5431277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5449041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 54582c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 54602219b3aSJohannes Berg 54702219b3aSJohannes Berg /* WMM-AC TSPEC support */ 54802219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 54902219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 55002219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 55102219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 55202219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 55302219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 55402219b3aSJohannes Berg */ 55502219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 5564d9ec73dSJouni Malinen 5574d9ec73dSJouni Malinen /* Information elements from the last transmitted (Re)Association 5584d9ec73dSJouni Malinen * Request frame. 5594d9ec73dSJouni Malinen */ 5604d9ec73dSJouni Malinen u8 *assoc_req_ies; 5614d9ec73dSJouni Malinen size_t assoc_req_ies_len; 562f0706e82SJiri Benc }; 563f0706e82SJiri Benc 56446900298SJohannes Berg struct ieee80211_if_ibss { 56546900298SJohannes Berg struct timer_list timer; 566cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 56746900298SJohannes Berg 568af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5695bb644a0SJohannes Berg 570fbd2c8dcSTeemu Paasikivi u32 basic_rates; 571fbd2c8dcSTeemu Paasikivi 572af8cdcd8SJohannes Berg bool fixed_bssid; 573af8cdcd8SJohannes Berg bool fixed_channel; 574fffd0934SJohannes Berg bool privacy; 57546900298SJohannes Berg 576267335d6SAntonio Quartulli bool control_port; 5778e8d347dSSimon Wunderlich bool userspace_handles_dfs; 578267335d6SAntonio Quartulli 5794d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 580af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 581af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 582af8cdcd8SJohannes Berg u8 *ie; 5833aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 58446900298SJohannes Berg 58546900298SJohannes Berg unsigned long ibss_join_req; 586af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 587c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 58846900298SJohannes Berg 589822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 590822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 591822854b0SSimon Wunderlich 5928bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5938bf11d8dSJohannes Berg struct list_head incomplete_stations; 5948bf11d8dSJohannes Berg 59546900298SJohannes Berg enum { 59646900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 59746900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 59846900298SJohannes Berg } state; 59946900298SJohannes Berg }; 60046900298SJohannes Berg 601dbf498fbSJavier Cardona /** 602239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 603239281f8SRostislav Lisovy * 604239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 605239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 606239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 607239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 608239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 609239281f8SRostislav Lisovy */ 610239281f8SRostislav Lisovy struct ieee80211_if_ocb { 611239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 612239281f8SRostislav Lisovy unsigned long wrkq_flags; 613239281f8SRostislav Lisovy 614239281f8SRostislav Lisovy spinlock_t incomplete_lock; 615239281f8SRostislav Lisovy struct list_head incomplete_stations; 616239281f8SRostislav Lisovy 617239281f8SRostislav Lisovy bool joined; 618239281f8SRostislav Lisovy }; 619239281f8SRostislav Lisovy 620239281f8SRostislav Lisovy /** 621dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 622dbf498fbSJavier Cardona * 623dbf498fbSJavier Cardona * these declarations define the interface, which enables 624dbf498fbSJavier Cardona * vendor-specific mesh synchronization 625dbf498fbSJavier Cardona * 626dbf498fbSJavier Cardona */ 627dbf498fbSJavier Cardona struct ieee802_11_elems; 628dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 629dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 630dbf498fbSJavier Cardona u16 stype, 631dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 632dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 633dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 63443552be1SThomas Pedersen 63543552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 636445cd452SMasashi Honma void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, 63743552be1SThomas Pedersen struct beacon_data *beacon); 638dbf498fbSJavier Cardona /* add other framework functions here */ 639dbf498fbSJavier Cardona }; 640dbf498fbSJavier Cardona 641b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 642b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 643b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 644b8456a14SChun-Yeow Yeoh }; 645b8456a14SChun-Yeow Yeoh 646472dbc45SJohannes Berg struct ieee80211_if_mesh { 647472dbc45SJohannes Berg struct timer_list housekeeping_timer; 648472dbc45SJohannes Berg struct timer_list mesh_path_timer; 649e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 650472dbc45SJohannes Berg 65118889231SJavier Cardona unsigned long wrkq_flags; 652f81a9dedSThomas Pedersen unsigned long mbss_changed; 653472dbc45SJohannes Berg 6540ab2e55dSBenjamin Berg bool userspace_handles_dfs; 6550ab2e55dSBenjamin Berg 656472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 657472dbc45SJohannes Berg size_t mesh_id_len; 658472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6593491707aSRui Paulo u8 mesh_pp_id; 660472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6613491707aSRui Paulo u8 mesh_pm_id; 662472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6633491707aSRui Paulo u8 mesh_cc_id; 6649e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6653491707aSRui Paulo u8 mesh_sp_id; 6669e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6673491707aSRui Paulo u8 mesh_auth_id; 668d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 669d19b3bf6SRui Paulo u32 sn; 670472dbc45SJohannes Berg /* Last used PREQ ID */ 671472dbc45SJohannes Berg u32 preq_id; 672472dbc45SJohannes Berg atomic_t mpaths; 673d19b3bf6SRui Paulo /* Timestamp of last SN update */ 674d19b3bf6SRui Paulo unsigned long last_sn_update; 675dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 676dca7e943SThomas Pedersen unsigned long next_perr; 677dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 678472dbc45SJohannes Berg unsigned long last_preq; 679472dbc45SJohannes Berg struct mesh_rmc *rmc; 680472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 681472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 682472dbc45SJohannes Berg int preq_queue_len; 683472dbc45SJohannes Berg struct mesh_stats mshstats; 684472dbc45SJohannes Berg struct mesh_config mshcfg; 6851258d976SAshok Nagarajan atomic_t estab_plinks; 686472dbc45SJohannes Berg u32 mesh_seqnum; 687472dbc45SJohannes Berg bool accepting_plinks; 6885ee68e5bSJavier Cardona int num_gates; 6892b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 690581a8b0fSJavier Cardona const u8 *ie; 691581a8b0fSJavier Cardona u8 ie_len; 692b130e5ceSJavier Cardona enum { 693b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 694b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 695b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 696b130e5ceSJavier Cardona } security; 697a6dad6a2SThomas Pedersen bool user_mpm; 698dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6998ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 700dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 701dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 7023f52b7e3SMarco Porsch /* mesh power save */ 7033f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 7043f52b7e3SMarco Porsch int ps_peers_light_sleep; 7053f52b7e3SMarco Porsch int ps_peers_deep_sleep; 7063f52b7e3SMarco Porsch struct ps_data ps; 7078f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 708b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 7090cb4d4dcSLuciano Coelho enum { 7100cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 7110cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 7120cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 7130cb4d4dcSLuciano Coelho } csa_role; 714b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 7158f2535b9SChun-Yeow Yeoh u16 pre_value; 71643552be1SThomas Pedersen 71743552be1SThomas Pedersen /* offset from skb->data while building IE */ 71843552be1SThomas Pedersen int meshconf_offset; 7192bdaf386SBob Copeland 72060854fd9SBob Copeland struct mesh_table *mesh_paths; 72160854fd9SBob Copeland struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */ 7222bdaf386SBob Copeland int mesh_paths_generation; 7232bdaf386SBob Copeland int mpp_paths_generation; 724472dbc45SJohannes Berg }; 725902acc78SJohannes Berg 726902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 727472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 728472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 729902acc78SJohannes Berg #else 730472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 731902acc78SJohannes Berg do { } while (0) 732902acc78SJohannes Berg #endif 733f0706e82SJiri Benc 734213cd118SJohannes Berg /** 735213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 736213cd118SJohannes Berg * 737213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 738213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 739213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 740213cd118SJohannes Berg * associated stations and deliver multicast frames both 741213cd118SJohannes Berg * back to wireless media and to the local net stack. 74295acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7437b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 744213cd118SJohannes Berg */ 745213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 746213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7477986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7487986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 74995acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7507b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 751213cd118SJohannes Berg }; 752213cd118SJohannes Berg 75334d4bc4dSJohannes Berg /** 75434d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 75534d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 75634d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 75734d4bc4dSJohannes Berg * change handling while the interface is up 7585b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7595b714c6aSJohannes Berg * mode, so queues are stopped 760d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 761d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 76234d4bc4dSJohannes Berg */ 76334d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 76434d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7655b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 766d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 76734d4bc4dSJohannes Berg }; 76834d4bc4dSJohannes Berg 769d01a1e65SMichal Kazior /** 770d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 771d01a1e65SMichal Kazior * 772d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 773d01a1e65SMichal Kazior * multiple interfaces 774d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 775d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 776d01a1e65SMichal Kazior * non-fixed channel IBSS. 777d01a1e65SMichal Kazior */ 778d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 779d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 780d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 781d01a1e65SMichal Kazior }; 782d01a1e65SMichal Kazior 7835bcae31dSMichal Kazior /** 7845bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7855bcae31dSMichal Kazior * 7865bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7875bcae31dSMichal Kazior * context switch/swap. 7885bcae31dSMichal Kazior * 7895bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7905bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7915bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7925bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7935bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7945bcae31dSMichal Kazior */ 7955bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7965bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7975bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7985bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7995bcae31dSMichal Kazior }; 8005bcae31dSMichal Kazior 801d01a1e65SMichal Kazior struct ieee80211_chanctx { 802d01a1e65SMichal Kazior struct list_head list; 803d01a1e65SMichal Kazior struct rcu_head rcu_head; 804d01a1e65SMichal Kazior 805484298adSMichal Kazior struct list_head assigned_vifs; 806e3afb920SMichal Kazior struct list_head reserved_vifs; 807484298adSMichal Kazior 8085bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 8095bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 8105bcae31dSMichal Kazior 811d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 8128a61af65SJohannes Berg bool driver_present; 813d01a1e65SMichal Kazior 814d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 815d01a1e65SMichal Kazior }; 816d01a1e65SMichal Kazior 81732db6b54SKyeyoon Park struct mac80211_qos_map { 81832db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 81932db6b54SKyeyoon Park struct rcu_head rcu_head; 82032db6b54SKyeyoon Park }; 82132db6b54SKyeyoon Park 822ba8c3d6fSFelix Fietkau enum txq_info_flags { 823ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 824ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 8256e0456b5SFelix Fietkau IEEE80211_TXQ_NO_AMSDU, 82621a5d4c3SManikanta Pubbisetty IEEE80211_TXQ_STOP_NETIF_TX, 827ba8c3d6fSFelix Fietkau }; 828ba8c3d6fSFelix Fietkau 829fa962b92SMichal Kazior /** 830fa962b92SMichal Kazior * struct txq_info - per tid queue 831fa962b92SMichal Kazior * 832fa962b92SMichal Kazior * @tin: contains packets split into multiple flows 833fa962b92SMichal Kazior * @def_flow: used as a fallback flow when a packet destined to @tin hashes to 834fa962b92SMichal Kazior * a fq_flow which is already owned by a different tin 8355caa328eSMichal Kazior * @def_cvars: codel vars for @def_flow 836bb42f2d1SToke Høiland-Jørgensen * @frags: used to keep fragments created after dequeue 83718667600SToke Høiland-Jørgensen * @schedule_order: used with ieee80211_local->active_txqs 83818667600SToke Høiland-Jørgensen * @schedule_round: counter to prevent infinite loops on TXQ scheduling 839fa962b92SMichal Kazior */ 840ba8c3d6fSFelix Fietkau struct txq_info { 841fa962b92SMichal Kazior struct fq_tin tin; 842fa962b92SMichal Kazior struct fq_flow def_flow; 8435caa328eSMichal Kazior struct codel_vars def_cvars; 8448d51dbb8SToke Høiland-Jørgensen struct codel_stats cstats; 845bb42f2d1SToke Høiland-Jørgensen struct sk_buff_head frags; 84618667600SToke Høiland-Jørgensen struct list_head schedule_order; 84718667600SToke Høiland-Jørgensen u16 schedule_round; 848ba8c3d6fSFelix Fietkau unsigned long flags; 849ba8c3d6fSFelix Fietkau 850ba8c3d6fSFelix Fietkau /* keep last! */ 851ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 852ba8c3d6fSFelix Fietkau }; 853ba8c3d6fSFelix Fietkau 854d8212184SAviya Erenfeld struct ieee80211_if_mntr { 855d8212184SAviya Erenfeld u32 flags; 85642bd20d9SAviya Erenfeld u8 mu_follow_addr[ETH_ALEN] __aligned(2); 857f64331d5SJohannes Berg 858f64331d5SJohannes Berg struct list_head list; 859d8212184SAviya Erenfeld }; 860d8212184SAviya Erenfeld 8615953ff6dSAyala Beker /** 8625953ff6dSAyala Beker * struct ieee80211_if_nan - NAN state 8635953ff6dSAyala Beker * 8645953ff6dSAyala Beker * @conf: current NAN configuration 865167e33f4SAyala Beker * @func_ids: a bitmap of available instance_id's 8665953ff6dSAyala Beker */ 8675953ff6dSAyala Beker struct ieee80211_if_nan { 8685953ff6dSAyala Beker struct cfg80211_nan_conf conf; 869167e33f4SAyala Beker 870167e33f4SAyala Beker /* protects function_inst_ids */ 871167e33f4SAyala Beker spinlock_t func_lock; 872167e33f4SAyala Beker struct idr function_inst_ids; 8735953ff6dSAyala Beker }; 8745953ff6dSAyala Beker 875f0706e82SJiri Benc struct ieee80211_sub_if_data { 876f0706e82SJiri Benc struct list_head list; 877f0706e82SJiri Benc 878f0706e82SJiri Benc struct wireless_dev wdev; 879f0706e82SJiri Benc 88011a843b7SJohannes Berg /* keys */ 88111a843b7SJohannes Berg struct list_head key_list; 88211a843b7SJohannes Berg 8833bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8843bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8858d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8868d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8873bff1865SYogesh Ashok Powar 888f0706e82SJiri Benc struct net_device *dev; 889f0706e82SJiri Benc struct ieee80211_local *local; 890f0706e82SJiri Benc 89113262ffdSJiri Slaby unsigned int flags; 8927e9ed188SDaniel Drake 89334d4bc4dSJohannes Berg unsigned long state; 89434d4bc4dSJohannes Berg 89547846c9bSJohannes Berg char name[IFNAMSIZ]; 89647846c9bSJohannes Berg 897f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 898f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 899f0706e82SJiri Benc unsigned int fragment_next; 900f0706e82SJiri Benc 901b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 902b53be792SSimon Wunderlich u16 noack_map; 903b53be792SSimon Wunderlich 90400e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 90500e96decSYoni Divinsky u8 wmm_acm; 90600e96decSYoni Divinsky 90740b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 90840b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 90940b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 91040b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 911f0706e82SJiri Benc 91294778280SJohannes Berg u16 sequence_number; 913a621fa4dSJohannes Berg __be16 control_port_protocol; 914a621fa4dSJohannes Berg bool control_port_no_encrypt; 915018f6fbfSDenis Kenzior bool control_port_over_nl80211; 9162475b1ccSMax Stepanov int encrypt_headroom; 91794778280SJohannes Berg 91880a83cfcSMichal Kazior atomic_t num_tx_queued; 91954bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 92032db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 921f6f3def3SEliad Peller 92273da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 92359af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 92433787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 92573da7d5bSSimon Wunderlich 926484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 927e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 928484298adSMichal Kazior 92911335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 93011335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 93111335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 93209332481SMichal Kazior bool reserved_radar_required; 9335bcae31dSMichal Kazior bool reserved_ready; 93411335a55SLuciano Coelho 93504ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 93604ecd257SJohannes Berg struct work_struct recalc_smps; 93704ecd257SJohannes Berg 93864592c8fSJohannes Berg struct work_struct work; 93935f20c14SJohannes Berg struct sk_buff_head skb_queue; 94035f20c14SJohannes Berg 94104ecd257SJohannes Berg u8 needed_rx_chains; 94204ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 94304ecd257SJohannes Berg 9441ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 9451ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 9461ea6f9c0SJohannes Berg 947164eb02dSSimon Wunderlich bool radar_required; 948164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 949164eb02dSSimon Wunderlich 9503e122be0SJohannes Berg /* 9513e122be0SJohannes Berg * AP this belongs to: self in AP mode and 9523e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 9533e122be0SJohannes Berg * all others (might be needed later in IBSS) 9543e122be0SJohannes Berg */ 9553e122be0SJohannes Berg struct ieee80211_if_ap *bss; 9563e122be0SJohannes Berg 95737eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 95857fbcce3SJohannes Berg u32 rc_rateidx_mask[NUM_NL80211_BANDS]; 9592ffbe6d3SFelix Fietkau 96057fbcce3SJohannes Berg bool rc_has_mcs_mask[NUM_NL80211_BANDS]; 96157fbcce3SJohannes Berg u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 962f0706e82SJiri Benc 96357fbcce3SJohannes Berg bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; 96457fbcce3SJohannes Berg u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; 965b119ad6eSLorenzo Bianconi 966f0706e82SJiri Benc union { 967f0706e82SJiri Benc struct ieee80211_if_ap ap; 968f0706e82SJiri Benc struct ieee80211_if_wds wds; 969f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 97046900298SJohannes Berg struct ieee80211_if_managed mgd; 97146900298SJohannes Berg struct ieee80211_if_ibss ibss; 972472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 973239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 974d8212184SAviya Erenfeld struct ieee80211_if_mntr mntr; 9755953ff6dSAyala Beker struct ieee80211_if_nan nan; 976f0706e82SJiri Benc } u; 977e9f207f0SJiri Benc 978e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 979e9f207f0SJiri Benc struct { 980295bafb4SBen Greear struct dentry *subdir_stations; 981f7e0104cSJohannes Berg struct dentry *default_unicast_key; 982f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9833cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 9847bcfaf2fSJohannes Berg } debugfs; 985e9f207f0SJiri Benc #endif 986529ba6e9SJohannes Berg 98732bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 98832bfd35dSJohannes Berg struct ieee80211_vif vif; 989f0706e82SJiri Benc }; 990f0706e82SJiri Benc 99132bfd35dSJohannes Berg static inline 99232bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 99332bfd35dSJohannes Berg { 99432bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 99532bfd35dSJohannes Berg } 99632bfd35dSJohannes Berg 9978d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 9988d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 9998d61ffa5SJohannes Berg { 10008d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 10018d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 10028d61ffa5SJohannes Berg } 10038d61ffa5SJohannes Berg 10048d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 10058d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 10068d61ffa5SJohannes Berg { 10078d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 10088d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 10098d61ffa5SJohannes Berg } 10108d61ffa5SJohannes Berg 10117ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 10127ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 10137ca133bcSSimon Wunderlich 10148d61ffa5SJohannes Berg static inline void 10158d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 10168d61ffa5SJohannes Berg { 10178d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 10188d61ffa5SJohannes Berg } 10198d61ffa5SJohannes Berg 1020438b61b7SSimon Wunderlich static inline int 1021438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 1022438b61b7SSimon Wunderlich { 1023438b61b7SSimon Wunderlich switch (chandef->width) { 1024438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 1025438b61b7SSimon Wunderlich return 2; 1026438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 1027438b61b7SSimon Wunderlich return 1; 1028438b61b7SSimon Wunderlich default: 1029438b61b7SSimon Wunderlich return 0; 1030438b61b7SSimon Wunderlich } 1031438b61b7SSimon Wunderlich } 1032438b61b7SSimon Wunderlich 1033438b61b7SSimon Wunderlich static inline int 1034438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 1035438b61b7SSimon Wunderlich { 1036438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 1037438b61b7SSimon Wunderlich int shift = 0; 1038438b61b7SSimon Wunderlich 1039438b61b7SSimon Wunderlich rcu_read_lock(); 1040438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 1041438b61b7SSimon Wunderlich if (chanctx_conf) 1042438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 1043438b61b7SSimon Wunderlich rcu_read_unlock(); 1044438b61b7SSimon Wunderlich 1045438b61b7SSimon Wunderlich return shift; 1046438b61b7SSimon Wunderlich } 1047438b61b7SSimon Wunderlich 1048f0706e82SJiri Benc enum { 1049f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1050f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1051f0706e82SJiri Benc }; 1052f0706e82SJiri Benc 1053ce7c9111SKalle Valo enum queue_stop_reason { 1054ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1055520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 105696f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 105796f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 105825420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10598f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10606c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1061445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1062db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1063b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1064cca07b00SLuciano Coelho 1065cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1066ce7c9111SKalle Valo }; 1067ce7c9111SKalle Valo 106865a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1069e1e54068SJohannes Berg struct tpt_led_trigger { 1070e1e54068SJohannes Berg char name[32]; 1071e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1072e1e54068SJohannes Berg unsigned int blink_table_len; 1073e1e54068SJohannes Berg struct timer_list timer; 107434f11cd3SKees Cook struct ieee80211_local *local; 1075e1e54068SJohannes Berg unsigned long prev_traffic; 1076e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 107767408c8cSJohannes Berg unsigned int active, want; 107867408c8cSJohannes Berg bool running; 1079e1e54068SJohannes Berg }; 108065a6538aSLuciano Coelho #endif 1081e1e54068SJohannes Berg 1082142b9f50SHelmut Schaa /** 1083142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1084142b9f50SHelmut Schaa * 1085142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1086142b9f50SHelmut Schaa * well be on the operating channel 1087142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1088142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10898a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10908a690674SBen Greear * channel. This should not interrupt normal traffic. 10918789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10928789d459SJohannes Berg * that the scan completed. 10938789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10948789d459SJohannes Berg * a scan complete for an aborted scan. 1095a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1096a754055aSEmmanuel Grumbach * cancelled. 1097142b9f50SHelmut Schaa */ 1098fbe9c429SHelmut Schaa enum { 1099fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1100142b9f50SHelmut Schaa SCAN_HW_SCANNING, 11018a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 11028789d459SJohannes Berg SCAN_COMPLETED, 11038789d459SJohannes Berg SCAN_ABORTED, 1104a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1105142b9f50SHelmut Schaa }; 1106142b9f50SHelmut Schaa 1107142b9f50SHelmut Schaa /** 1108142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1109142b9f50SHelmut Schaa * 1110142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1111142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1112142b9f50SHelmut Schaa * operating channel 1113142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1114142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 111507ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 111607ef03eeSJohannes Berg * send out data 111707ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1118cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1119142b9f50SHelmut Schaa */ 1120142b9f50SHelmut Schaa enum mac80211_scan_state { 1121142b9f50SHelmut Schaa SCAN_DECISION, 1122142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1123142b9f50SHelmut Schaa SCAN_SEND_PROBE, 112407ef03eeSJohannes Berg SCAN_SUSPEND, 112507ef03eeSJohannes Berg SCAN_RESUME, 1126cd2bb512SSam Leffler SCAN_ABORT, 1127fbe9c429SHelmut Schaa }; 1128fbe9c429SHelmut Schaa 1129f0706e82SJiri Benc struct ieee80211_local { 1130f0706e82SJiri Benc /* embed the driver visible part. 1131f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1132f0706e82SJiri Benc * it first anyway so they become a no-op */ 1133f0706e82SJiri Benc struct ieee80211_hw hw; 1134f0706e82SJiri Benc 1135fa962b92SMichal Kazior struct fq fq; 11365caa328eSMichal Kazior struct codel_vars *cvars; 11375caa328eSMichal Kazior struct codel_params cparams; 1138fa962b92SMichal Kazior 113918667600SToke Høiland-Jørgensen /* protects active_txqs and txqi->schedule_order */ 114018667600SToke Høiland-Jørgensen spinlock_t active_txq_lock[IEEE80211_NUM_ACS]; 114118667600SToke Høiland-Jørgensen struct list_head active_txqs[IEEE80211_NUM_ACS]; 114218667600SToke Høiland-Jørgensen u16 schedule_round[IEEE80211_NUM_ACS]; 114318667600SToke Høiland-Jørgensen 1144b4809e94SToke Høiland-Jørgensen u16 airtime_flags; 1145b4809e94SToke Høiland-Jørgensen 1146f0706e82SJiri Benc const struct ieee80211_ops *ops; 1147f0706e82SJiri Benc 114842935ecaSLuis R. Rodriguez /* 114942935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 115042935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 115142935ecaSLuis R. Rodriguez */ 115242935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 115342935ecaSLuis R. Rodriguez 1154e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1155cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 115696f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1157ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 115896f5e66eSJohannes Berg 1159f0706e82SJiri Benc int open_count; 11603d30d949SMichael Wu int monitors, cooked_mntrs; 11618cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11627be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11637be5086dSJohannes Berg fif_probe_req; 11647be5086dSJohannes Berg int probe_req_reg; 11654150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11663b8d81e0SJohannes Berg 11673ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11683ffc2a90SJohannes Berg 1169fe57d9f5SJohannes Berg bool use_chanctx; 1170fe57d9f5SJohannes Berg 11713b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11723b8d81e0SJohannes Berg spinlock_t filter_lock; 11733b8d81e0SJohannes Berg 11743ac64beeSJohannes Berg /* used for uploading changed mc list */ 11753ac64beeSJohannes Berg struct work_struct reconfig_filter; 11763ac64beeSJohannes Berg 11773b8d81e0SJohannes Berg /* aggregated multicast list */ 117822bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11793b8d81e0SJohannes Berg 1180d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11815bb644a0SJohannes Berg 11825bb644a0SJohannes Berg /* 11835bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11845bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11855bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11865bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11875bb644a0SJohannes Berg */ 11885bb644a0SJohannes Berg bool suspended; 11895bb644a0SJohannes Berg 11905bb644a0SJohannes Berg /* 1191ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1192ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1193ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1194ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1195ceb99fe0SJohannes Berg */ 1196ceb99fe0SJohannes Berg bool resuming; 1197ceb99fe0SJohannes Berg 1198ceb99fe0SJohannes Berg /* 11995bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 12005bb644a0SJohannes Berg * ease timer cancelling etc. 12015bb644a0SJohannes Berg */ 12025bb644a0SJohannes Berg bool quiescing; 12035bb644a0SJohannes Berg 1204ea77f12fSJohannes Berg /* device is started */ 1205ea77f12fSJohannes Berg bool started; 1206ea77f12fSJohannes Berg 120704800adaSArik Nemtsov /* device is during a HW reconfig */ 120804800adaSArik Nemtsov bool in_reconfig; 120904800adaSArik Nemtsov 1210eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1211eecc4800SJohannes Berg bool wowlan; 1212eecc4800SJohannes Berg 1213164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1214164eb02dSSimon Wunderlich 121504ecd257SJohannes Berg /* number of RX chains the hardware has */ 121604ecd257SJohannes Berg u8 rx_chains; 121704ecd257SJohannes Berg 121809b4a4faSJohannes Berg /* bitmap of which sbands were copied */ 121909b4a4faSJohannes Berg u8 sband_allocated; 122009b4a4faSJohannes Berg 1221b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1222f0706e82SJiri Benc 1223f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1224f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1225f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1226f0706e82SJiri Benc * queues increases over the limit. */ 1227f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1228f0706e82SJiri Benc struct tasklet_struct tasklet; 1229f0706e82SJiri Benc struct sk_buff_head skb_queue; 1230f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1231f0706e82SJiri Benc 1232f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 123324a8fdadSChristian Lamparter 1234d0709a65SJohannes Berg /* Station data */ 1235d0709a65SJohannes Berg /* 12364d33960bSJohannes Berg * The mutex only protects the list, hash table and 12374d33960bSJohannes Berg * counter, reads are done with RCU. 1238d0709a65SJohannes Berg */ 123934e89507SJohannes Berg struct mutex sta_mtx; 12404d33960bSJohannes Berg spinlock_t tim_lock; 1241d0709a65SJohannes Berg unsigned long num_sta; 12424d33960bSJohannes Berg struct list_head sta_list; 124383e7e4ceSHerbert Xu struct rhltable sta_hash; 1244f0706e82SJiri Benc struct timer_list sta_cleanup; 1245f5ea9120SJohannes Berg int sta_generation; 1246f0706e82SJiri Benc 12472a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1248f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 124921a5d4c3SManikanta Pubbisetty struct tasklet_struct wake_txqs_tasklet; 1250f0706e82SJiri Benc 1251a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1252cd8ffc80SJohannes Berg 1253df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1254df140465SJohannes Berg atomic_t iff_allmultis; 1255f0706e82SJiri Benc 1256f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1257f0706e82SJiri Benc 12585fdb3735SArd Biesheuvel struct arc4_ctx wep_tx_ctx; 12595fdb3735SArd Biesheuvel struct arc4_ctx wep_rx_ctx; 1260f0706e82SJiri Benc u32 wep_iv; 1261f0706e82SJiri Benc 1262c771c9d8SJohannes Berg /* see iface.c */ 126379010420SJohannes Berg struct list_head interfaces; 1264f64331d5SJohannes Berg struct list_head mon_list; /* only that are IFF_UP && !cooked */ 1265c771c9d8SJohannes Berg struct mutex iflist_mtx; 126679010420SJohannes Berg 1267b16bd15cSJohannes Berg /* 1268ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 126996fc6efbSAlexander Wetzel * key pointers and ptk_idx (write access, they're RCU.) 1270b16bd15cSJohannes Berg */ 1271ad0e2b5aSJohannes Berg struct mutex key_mtx; 1272b16bd15cSJohannes Berg 1273a1699b75SJohannes Berg /* mutex for scan and work locking */ 1274a1699b75SJohannes Berg struct mutex mtx; 1275b16bd15cSJohannes Berg 1276c2b13452SJohannes Berg /* Scanning and BSS list */ 1277fbe9c429SHelmut Schaa unsigned long scanning; 12782a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12795ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12806ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1281c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12827ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 128357fbcce3SJohannes Berg enum nl80211_band hw_scan_band; 1284f0706e82SJiri Benc int scan_channel_idx; 1285de95a54bSJohannes Berg int scan_ies_len; 1286c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12877947d3e0SAvraham Stern struct cfg80211_scan_info scan_info; 12888318d78aSJohannes Berg 128985a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12905260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12916ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1292a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 129379f460caSLuciano Coelho 1294df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1295977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1296f0706e82SJiri Benc struct delayed_work scan_work; 1297e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 129855de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1299675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1300f0706e82SJiri Benc 1301b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1302b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1303b8bc4b0aSJohannes Berg 1304d01a1e65SMichal Kazior /* channel contexts */ 1305d01a1e65SMichal Kazior struct list_head chanctx_list; 1306d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1307d01a1e65SMichal Kazior 1308c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 13098d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 13108d5c2585SJohannes Berg struct led_trigger tpt_led; 13118d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 13128d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1313c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1314c206ca67SJohannes Berg #endif 1315c206ca67SJohannes Berg 1316c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1317f0706e82SJiri Benc /* SNMP counters */ 1318f0706e82SJiri Benc /* dot11CountersTable */ 1319f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1320f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1321f0706e82SJiri Benc u32 dot11FailedCount; 1322f0706e82SJiri Benc u32 dot11RetryCount; 1323f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1324f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1325f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1326f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1327f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1328f0706e82SJiri Benc 1329f0706e82SJiri Benc /* TX/RX handler statistics */ 1330f0706e82SJiri Benc unsigned int tx_handlers_drop; 1331f0706e82SJiri Benc unsigned int tx_handlers_queued; 1332f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1333f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1334f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1335f0706e82SJiri Benc unsigned int rx_handlers_drop; 1336f0706e82SJiri Benc unsigned int rx_handlers_queued; 1337f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1338f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1339f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1340f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1341f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1342f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1343f0706e82SJiri Benc unsigned int tx_status_drop; 1344f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1345f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1346f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1347f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1348f0706e82SJiri Benc 1349f0706e82SJiri Benc 1350f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1351f0706e82SJiri Benc * multicast packets for power saving stations 1352f0706e82SJiri Benc */ 1353520eb820SKalle Valo 1354572e0012SKalle Valo bool pspolling; 1355b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1356965bedadSJohannes Berg /* 1357965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1358965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1359965bedadSJohannes Berg */ 1360965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1361520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1362520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1363520eb820SKalle Valo struct timer_list dynamic_ps_timer; 13642b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1365a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1366f0706e82SJiri Benc 1367ff616381SJuuso Oikarinen /* 1368ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1369ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1370ff616381SJuuso Oikarinen */ 1371ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1372ff616381SJuuso Oikarinen 13731ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13742bf30fabSJohannes Berg 13750f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13760f78231bSJohannes Berg 1377f2753ddbSJohannes Berg struct work_struct restart_work; 1378f2753ddbSJohannes Berg 1379e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1380e9f207f0SJiri Benc struct local_debugfsdentries { 13814b7679a5SJohannes Berg struct dentry *rcdir; 1382e9f207f0SJiri Benc struct dentry *keys; 1383e9f207f0SJiri Benc } debugfs; 1384276d9e82SJulius Niedworok bool force_tx_status; 1385e9f207f0SJiri Benc #endif 13864e6cbfd0SJohn W. Linville 13872eb278e0SJohannes Berg /* 13882eb278e0SJohannes Berg * Remain-on-channel support 13892eb278e0SJohannes Berg */ 1390aaa016ccSJohannes Berg struct delayed_work roc_work; 13912eb278e0SJohannes Berg struct list_head roc_list; 139221f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13932eb278e0SJohannes Berg unsigned long hw_roc_start_time; 139450febf6aSJohannes Berg u64 roc_cookie_counter; 139521f83589SJohannes Berg 1396a729cff8SJohannes Berg struct idr ack_status_frames; 1397a729cff8SJohannes Berg spinlock_t ack_status_lock; 1398a729cff8SJohannes Berg 1399f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1400f142c6b9SJohannes Berg 14014b6f1dd6SJohannes Berg /* virtual monitor interface */ 14024b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 14034bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1404e9a21949SLuciano Coelho 1405e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1406e9a21949SLuciano Coelho u8 ext_capa[8]; 1407c8ff71e6SArik Nemtsov 1408c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1409c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1410c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1411f0706e82SJiri Benc }; 1412f0706e82SJiri Benc 14133e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 14143e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 14153e122be0SJohannes Berg { 14163e122be0SJohannes Berg return netdev_priv(dev); 14173e122be0SJohannes Berg } 14183e122be0SJohannes Berg 141971bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 142071bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 142171bbc994SJohannes Berg { 142271bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 142371bbc994SJohannes Berg } 142471bbc994SJohannes Berg 142521a8e9ddSMohammed Shafi Shajakhan static inline struct ieee80211_supported_band * 142621a8e9ddSMohammed Shafi Shajakhan ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) 142721a8e9ddSMohammed Shafi Shajakhan { 142821a8e9ddSMohammed Shafi Shajakhan struct ieee80211_local *local = sdata->local; 142921a8e9ddSMohammed Shafi Shajakhan struct ieee80211_chanctx_conf *chanctx_conf; 143021a8e9ddSMohammed Shafi Shajakhan enum nl80211_band band; 143121a8e9ddSMohammed Shafi Shajakhan 143221a8e9ddSMohammed Shafi Shajakhan rcu_read_lock(); 143321a8e9ddSMohammed Shafi Shajakhan chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 143421a8e9ddSMohammed Shafi Shajakhan 143556357234SYibo Zhao if (WARN_ON_ONCE(!chanctx_conf)) { 143621a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 143721a8e9ddSMohammed Shafi Shajakhan return NULL; 143821a8e9ddSMohammed Shafi Shajakhan } 143921a8e9ddSMohammed Shafi Shajakhan 144021a8e9ddSMohammed Shafi Shajakhan band = chanctx_conf->def.chan->band; 144121a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 144221a8e9ddSMohammed Shafi Shajakhan 144321a8e9ddSMohammed Shafi Shajakhan return local->hw.wiphy->bands[band]; 144421a8e9ddSMohammed Shafi Shajakhan } 144521a8e9ddSMohammed Shafi Shajakhan 1446c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1447c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1448c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1449c0f17eb9SChun-Yeow Yeoh u8 mode; 1450c0f17eb9SChun-Yeow Yeoh u8 count; 1451c0f17eb9SChun-Yeow Yeoh u8 ttl; 14523f718fd8SChun-Yeow Yeoh u16 pre_value; 14535d55371bSBenjamin Berg u16 reason_code; 1454ee145775SSara Sharon u32 max_switch_time; 1455c0f17eb9SChun-Yeow Yeoh }; 1456c0f17eb9SChun-Yeow Yeoh 1457dd76986bSJohannes Berg /* Parsed Information Elements */ 1458dd76986bSJohannes Berg struct ieee802_11_elems { 14594a3cb702SJohannes Berg const u8 *ie_start; 1460dd76986bSJohannes Berg size_t total_len; 1461dd76986bSJohannes Berg 1462dd76986bSJohannes Berg /* pointers to IEs */ 146353837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 146453837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 14659041c1faSArik Nemtsov const u8 *ext_capab; 14664a3cb702SJohannes Berg const u8 *ssid; 14674a3cb702SJohannes Berg const u8 *supp_rates; 14684a3cb702SJohannes Berg const u8 *ds_params; 14694a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 14704a3cb702SJohannes Berg const u8 *challenge; 14714a3cb702SJohannes Berg const u8 *rsn; 14724a3cb702SJohannes Berg const u8 *erp_info; 14734a3cb702SJohannes Berg const u8 *ext_supp_rates; 14744a3cb702SJohannes Berg const u8 *wmm_info; 14754a3cb702SJohannes Berg const u8 *wmm_param; 14764a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14774a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14784a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14794a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14804a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 148141cbb0f5SLuca Coelho const u8 *he_cap; 148241cbb0f5SLuca Coelho const struct ieee80211_he_operation *he_operation; 1483ef11a931SJohn Crispin const struct ieee80211_he_spr *he_spr; 148441cbb0f5SLuca Coelho const struct ieee80211_mu_edca_param_set *mu_edca_param_set; 148541cbb0f5SLuca Coelho const u8 *uora_element; 14864a3cb702SJohannes Berg const u8 *mesh_id; 14874a3cb702SJohannes Berg const u8 *peering; 14884a3cb702SJohannes Berg const __le16 *awake_window; 14894a3cb702SJohannes Berg const u8 *preq; 14904a3cb702SJohannes Berg const u8 *prep; 14914a3cb702SJohannes Berg const u8 *perr; 14924a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14934a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1494b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1495b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 1496ee145775SSara Sharon const u8 *max_channel_switch_time; 14974a3cb702SJohannes Berg const u8 *country_elem; 14984a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1499c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 150079ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 15014a3cb702SJohannes Berg const u8 *opmode_notif; 150285220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 1503c4de37eeSPeter Oh struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1504e38a017bSAvraham Stern const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; 150578ac51f8SSara Sharon const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; 150678ac51f8SSara Sharon const struct ieee80211_bssid_index *bssid_index; 150778ac51f8SSara Sharon u8 max_bssid_indicator; 150878ac51f8SSara Sharon u8 dtim_count; 150978ac51f8SSara Sharon u8 dtim_period; 15102aa485e1SJohn Crispin const struct ieee80211_addba_ext_ie *addba_ext_ie; 1511dd76986bSJohannes Berg 1512dd76986bSJohannes Berg /* length of them, respectively */ 15139041c1faSArik Nemtsov u8 ext_capab_len; 1514dd76986bSJohannes Berg u8 ssid_len; 1515dd76986bSJohannes Berg u8 supp_rates_len; 1516dd76986bSJohannes Berg u8 tim_len; 1517dd76986bSJohannes Berg u8 challenge_len; 1518dd76986bSJohannes Berg u8 rsn_len; 1519dd76986bSJohannes Berg u8 ext_supp_rates_len; 1520dd76986bSJohannes Berg u8 wmm_info_len; 1521dd76986bSJohannes Berg u8 wmm_param_len; 152241cbb0f5SLuca Coelho u8 he_cap_len; 1523dd76986bSJohannes Berg u8 mesh_id_len; 1524dd76986bSJohannes Berg u8 peering_len; 1525dd76986bSJohannes Berg u8 preq_len; 1526dd76986bSJohannes Berg u8 prep_len; 1527dd76986bSJohannes Berg u8 perr_len; 1528dd76986bSJohannes Berg u8 country_elem_len; 152978ac51f8SSara Sharon u8 bssid_index_len; 1530fcff4f10SPaul Stewart 1531fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1532fcff4f10SPaul Stewart bool parse_error; 1533dd76986bSJohannes Berg }; 1534dd76986bSJohannes Berg 1535f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1536f0706e82SJiri Benc struct ieee80211_hw *hw) 1537f0706e82SJiri Benc { 1538f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1539f0706e82SJiri Benc } 1540f0706e82SJiri Benc 1541ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1542ba8c3d6fSFelix Fietkau { 1543ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1544ba8c3d6fSFelix Fietkau } 1545f0706e82SJiri Benc 1546bb42f2d1SToke Høiland-Jørgensen static inline bool txq_has_queue(struct ieee80211_txq *txq) 1547bb42f2d1SToke Høiland-Jørgensen { 1548bb42f2d1SToke Høiland-Jørgensen struct txq_info *txqi = to_txq_info(txq); 1549bb42f2d1SToke Høiland-Jørgensen 1550bb42f2d1SToke Høiland-Jørgensen return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); 1551bb42f2d1SToke Høiland-Jørgensen } 1552bb42f2d1SToke Høiland-Jørgensen 1553571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1554571ecf67SJohannes Berg { 1555b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1556571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1557571ecf67SJohannes Berg } 1558571ecf67SJohannes Berg 1559f4bda337SThomas Pedersen static inline bool 1560f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1561f4bda337SThomas Pedersen { 1562f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1563f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1564f4a0f0c5SJohannes Berg if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END)) 1565f4a0f0c5SJohannes Berg return true; 1566da6a4352SJohannes Berg /* can't handle non-legacy preamble yet */ 1567f4a0f0c5SJohannes Berg if (status->flag & RX_FLAG_MACTIME_PLCP_START && 1568204a7dbcSAvraham Stern status->encoding == RX_ENC_LEGACY) 1569f4a0f0c5SJohannes Berg return true; 1570f4a0f0c5SJohannes Berg return false; 1571f4bda337SThomas Pedersen } 1572571ecf67SJohannes Berg 157372f15d53SMichael Braun void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); 157472f15d53SMichael Braun void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); 157572f15d53SMichael Braun 157672f15d53SMichael Braun /* This function returns the number of multicast stations connected to this 157772f15d53SMichael Braun * interface. It returns -1 if that number is not tracked, that is for netdevs 157872f15d53SMichael Braun * not in AP or AP_VLAN mode or when using 4addr. 157972f15d53SMichael Braun */ 158072f15d53SMichael Braun static inline int 158172f15d53SMichael Braun ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) 158272f15d53SMichael Braun { 158372f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP) 158472f15d53SMichael Braun return atomic_read(&sdata->u.ap.num_mcast_sta); 158572f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) 158672f15d53SMichael Braun return atomic_read(&sdata->u.vlan.num_mcast_sta); 158772f15d53SMichael Braun return -1; 158872f15d53SMichael Braun } 158972f15d53SMichael Braun 1590f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1591f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1592f4bda337SThomas Pedersen unsigned int mpdu_len, 1593f4bda337SThomas Pedersen unsigned int mpdu_offset); 1594e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 15955cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 15969c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 15979c6bd790SJohannes Berg u32 changed); 15980d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 159946900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1600f0706e82SJiri Benc 1601a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 16025ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 16035ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1604a2fcfccbSJohannes Berg 160549ddf8e6SJohannes Berg void ieee80211_check_fast_rx(struct sta_info *sta); 160649ddf8e6SJohannes Berg void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 160749ddf8e6SJohannes Berg void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 160849ddf8e6SJohannes Berg void ieee80211_clear_fast_rx(struct sta_info *sta); 160949ddf8e6SJohannes Berg 161046900298SJohannes Berg /* STA code */ 16119c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 161277fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 161377fdaa12SJohannes Berg struct cfg80211_auth_request *req); 161477fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 161577fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 161677fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 161763c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 161877fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 161963c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1620572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1621572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 16224a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1623ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 16242b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 16251fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 16261fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16271fa57d01SJohannes Berg struct sk_buff *skb); 1628d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1629be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1630afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 16311672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 16321672c0e3SJohannes Berg __le16 fc, bool acked); 16331a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1634b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 163502219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 16369c6bd790SJohannes Berg 163746900298SJohannes Berg /* IBSS code */ 163846900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 163946900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 16408bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 16418bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1642af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1643af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1644af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 16451fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 16461fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16471fa57d01SJohannes Berg struct sk_buff *skb); 1648cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1649cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1650cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1651cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 16521fa57d01SJohannes Berg 1653239281f8SRostislav Lisovy /* OCB code */ 1654239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1655239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1656239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1657239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1658239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1659239281f8SRostislav Lisovy struct ocb_setup *setup); 1660239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1661239281f8SRostislav Lisovy 16621fa57d01SJohannes Berg /* mesh code */ 16631fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 16641fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16651fa57d01SJohannes Berg struct sk_buff *skb); 1666b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 166766e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1668b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 166946900298SJohannes Berg 16709c6bd790SJohannes Berg /* scan/BSS handling */ 167146900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 167234bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1673be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 167476bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 167576bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 16767ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1677c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 16782a519311SJohannes Berg struct cfg80211_scan_request *req); 16795bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1680133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1681d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 16829c6bd790SJohannes Berg 16830a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1684c2b13452SJohannes Berg struct ieee80211_bss * 168598c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 168698c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 168798c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 168898c8fccfSJohannes Berg size_t len, 1689d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 169098c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1691c2b13452SJohannes Berg struct ieee80211_bss *bss); 1692ee385855SLuis Carlos Cobo 169379f460caSLuciano Coelho /* scheduled scan handling */ 1694d43c6b6eSDavid Spinadel int 1695d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1696d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 169779f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 169879f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 16990d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1700f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 170185a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 170279f460caSLuciano Coelho 1703a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1704aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1705aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 17062eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 17072eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1708c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1709c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1710a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1711a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1712a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1713a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1714a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1715a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1716a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1717a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1718a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1719b203ffc3SJouni Malinen 172073da7d5bSSimon Wunderlich /* channel switch handling */ 172173da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 172282a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 172382a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 172473da7d5bSSimon Wunderlich 17253e122be0SJohannes Berg /* interface handling */ 172647846c9bSJohannes Berg int ieee80211_iface_init(void); 172747846c9bSJohannes Berg void ieee80211_iface_exit(void); 17283e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 17296bab2e19STom Gundersen unsigned char name_assign_type, 173084efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1731ee385855SLuis Carlos Cobo struct vif_params *params); 1732f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 173305c914feSJohannes Berg enum nl80211_iftype type); 1734f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 173575636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1736382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 17375cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 173885416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 173985416a4fSChristian Lamparter const int offset); 1740f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1741f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 17423c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 17433c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1744f0706e82SJiri Benc 17451ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1746db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1747db82d8a9SLorenzo Bianconi bool update_bss); 17481ea6f9c0SJohannes Berg 17499607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 17509607e6b6SJohannes Berg { 175134d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 17529607e6b6SJohannes Berg } 17539607e6b6SJohannes Berg 1754e2ebc74dSJohannes Berg /* tx handling */ 1755e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1756e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1757d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1758d0cf9c0dSStephen Hemminger struct net_device *dev); 1759d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1760d0cf9c0dSStephen Hemminger struct net_device *dev); 176124d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 176224d342c5SLiad Kaufman struct net_device *dev, 176306016772SRajkumar Manoharan u32 info_flags, 176406016772SRajkumar Manoharan u32 ctrl_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, 1772b7b2e8caSJohn Crispin int retry_count, int shift, bool send_to_cooked, 1773b7b2e8caSJohn Crispin struct ieee80211_tx_status *status); 1774e2ebc74dSJohannes Berg 177517c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 177617c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 177717c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 177817c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 177991180649SDenis Kenzior int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, 178091180649SDenis Kenzior const u8 *buf, size_t len, 178191180649SDenis Kenzior const u8 *dest, __be16 proto, bool unencrypted); 17828828f81aSRajkumar Manoharan int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, 17838828f81aSRajkumar Manoharan const u8 *buf, size_t len); 178417c18bf8SJohannes Berg 1785de1ede7aSJohannes Berg /* HT */ 1786ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1787ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1788e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1789ef96a842SBen Greear struct ieee80211_supported_band *sband, 17904a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1791e1a0c6b3SJohannes Berg struct sta_info *sta); 1792b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1793b8695a8fSJohannes Berg const u8 *da, u16 tid, 1794b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 17950f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 17960f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 17970f78231bSJohannes Berg const u8 *bssid); 1798687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1799687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1800687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1801687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1802de1ede7aSJohannes Berg 18037c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 180453f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1805849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 180653f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1807bde59c47SJohannes Berg void ___ieee80211_start_rx_ba_session(struct sta_info *sta, 1808bde59c47SJohannes Berg u8 dialog_token, u16 timeout, 1809bde59c47SJohannes Berg u16 start_seq_num, u16 ba_policy, u16 tid, 18102ab45876SJohn Crispin u16 buf_size, bool tx, bool auto_seq, 18112ab45876SJohn Crispin const struct ieee80211_addba_ext_ie *addbaext); 1812c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1813c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1814de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1815de1ede7aSJohannes Berg struct sta_info *sta, 1816de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1817de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1818de1ede7aSJohannes Berg struct sta_info *sta, 1819de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1820de1ede7aSJohannes Berg size_t len); 1821de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1822de1ede7aSJohannes Berg struct sta_info *sta, 1823de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1824de1ede7aSJohannes Berg size_t len); 1825de1ede7aSJohannes Berg 1826849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1827c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 182867c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1829c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 18307a7c0a64SJohannes Berg void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, 18317a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 18327a7c0a64SJohannes Berg void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, 18337a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 183467c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 183567c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 18362bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1837849b7967SJohannes Berg 183804ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 183957566b20Stamizhr@codeaurora.org enum nl80211_smps_mode 184057566b20Stamizhr@codeaurora.org ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps); 184104ecd257SJohannes Berg 1842818255eaSMahesh Palivela /* VHT */ 18434a3cb702SJohannes Berg void 18444a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1845818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 18464a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 18474a34215eSJohannes Berg struct sta_info *sta); 18481c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1849e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 18508921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 185159021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 185259021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 185359021c67SArik Nemtsov enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); 185459021c67SArik Nemtsov void ieee80211_sta_set_rx_nss(struct sta_info *sta); 185523a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 185623a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 1857b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1858b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 185957fbcce3SJohannes Berg enum nl80211_band band); 18600af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 18610af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 186257fbcce3SJohannes Berg enum nl80211_band band); 1863dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1864dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1865b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1866b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 186797f5f425Stamizhr@codeaurora.org enum nl80211_chan_width 186897f5f425Stamizhr@codeaurora.org ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta); 18694a34215eSJohannes Berg 187041cbb0f5SLuca Coelho /* HE */ 187141cbb0f5SLuca Coelho void 187241cbb0f5SLuca Coelho ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 187341cbb0f5SLuca Coelho struct ieee80211_supported_band *sband, 187441cbb0f5SLuca Coelho const u8 *he_cap_ie, u8 he_cap_len, 187541cbb0f5SLuca Coelho struct sta_info *sta); 18761ced169cSJohn Crispin void 18771ced169cSJohn Crispin ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, 18781ced169cSJohn Crispin const struct ieee80211_he_spr *he_spr_ie_elem); 187941cbb0f5SLuca Coelho 1880697f6c50SJohn Crispin void 1881697f6c50SJohn Crispin ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif, 1882697f6c50SJohn Crispin const struct ieee80211_he_operation *he_op_ie_elem); 1883697f6c50SJohn Crispin 188439192c0bSJohannes Berg /* Spectrum management */ 188539192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 188639192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 188739192c0bSJohannes Berg size_t len); 1888e6b7cde4SSimon Wunderlich /** 1889e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1890e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1891e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1892e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1893e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1894e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1895e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1896e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1897e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1898e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1899e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1900c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1901c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1902e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1903e6b7cde4SSimon Wunderlich */ 1904e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 190584469a45SLuciano Coelho struct ieee802_11_elems *elems, 190657fbcce3SJohannes Berg enum nl80211_band current_band, 1907c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1908c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 190939192c0bSJohannes Berg 1910f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1911f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 191284f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1913f2753ddbSJohannes Berg 1914eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1915eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1916f2753ddbSJohannes Berg 1917f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1918f2753ddbSJohannes Berg { 191985f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 192085f72bc8SJohn W. Linville 19219120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 19229120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 192385f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 192485f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 192585f72bc8SJohn W. Linville 1926f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1927f2753ddbSJohannes Berg } 1928665af4fcSBob Copeland 1929c2d1560aSJohannes Berg /* utility functions/constants */ 19308a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 193157fbcce3SJohannes Berg int ieee80211_frame_duration(enum nl80211_band band, size_t len, 1932438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1933438b61b7SSimon Wunderlich int shift); 1934e552af05SHaim Dreyfuss void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, 1935e552af05SHaim Dreyfuss struct ieee80211_tx_queue_params *qparam, 1936e552af05SHaim Dreyfuss int ac); 19373abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 1938cec66283SJohannes Berg bool bss_notify, bool enable_qos); 19397c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 1940b9771d41SJohannes Berg struct sta_info *sta, struct sk_buff *skb, 1941b9771d41SJohannes Berg u32 txdata_flags); 1942cf6bb79aSHelmut Schaa 194355de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 194455de908aSJohannes Berg struct sk_buff *skb, int tid, 1945b9771d41SJohannes Berg enum nl80211_band band, u32 txdata_flags); 194655de908aSJohannes Berg 194755de908aSJohannes Berg static inline void 194855de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 194955de908aSJohannes Berg struct sk_buff *skb, int tid, 1950b9771d41SJohannes Berg enum nl80211_band band, u32 txdata_flags) 195155de908aSJohannes Berg { 195255de908aSJohannes Berg rcu_read_lock(); 1953b9771d41SJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band, txdata_flags); 195455de908aSJohannes Berg rcu_read_unlock(); 195555de908aSJohannes Berg } 195655de908aSJohannes Berg 195755de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 195855de908aSJohannes Berg struct sk_buff *skb, int tid) 195955de908aSJohannes Berg { 196055de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 196155de908aSJohannes Berg 196255de908aSJohannes Berg rcu_read_lock(); 196355de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 196455de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 196555de908aSJohannes Berg rcu_read_unlock(); 196655de908aSJohannes Berg kfree_skb(skb); 196755de908aSJohannes Berg return; 196855de908aSJohannes Berg } 196955de908aSJohannes Berg 197055de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 1971b9771d41SJohannes Berg chanctx_conf->def.chan->band, 0); 197255de908aSJohannes Berg rcu_read_unlock(); 197355de908aSJohannes Berg } 197455de908aSJohannes Berg 197555de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1976cf6bb79aSHelmut Schaa struct sk_buff *skb) 1977cf6bb79aSHelmut Schaa { 1978cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1979cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1980cf6bb79aSHelmut Schaa } 1981cf6bb79aSHelmut Schaa 198235d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1983d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 19844abb52a4SSara Sharon u64 filter, u32 crc, u8 *transmitter_bssid, 19854abb52a4SSara Sharon u8 *bss_bssid); 198635d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 198735d865afSJohannes Berg bool action, 19884abb52a4SSara Sharon struct ieee802_11_elems *elems, 19894abb52a4SSara Sharon u8 *transmitter_bssid, 19904abb52a4SSara Sharon u8 *bss_bssid) 1991ddc4db2eSJohannes Berg { 19924abb52a4SSara Sharon ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0, 19934abb52a4SSara Sharon transmitter_bssid, bss_bssid); 1994ddc4db2eSJohannes Berg } 1995ddc4db2eSJohannes Berg 199683eb935eSMichal Kazior 199702219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 199802219b3aSJohannes Berg 199902219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 200002219b3aSJohannes Berg { 200102219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 200202219b3aSJohannes Berg } 200302219b3aSJohannes Berg 2004520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 2005520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 200634f11cd3SKees Cook void ieee80211_dynamic_ps_timer(struct timer_list *t); 2007a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 2008a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 2009076cdcb1SJohannes Berg bool powersave); 20103cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 20113cf335d5SKalle Valo struct ieee80211_hdr *hdr); 20124e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 201302219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 2014520eb820SKalle Valo 2015ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 2016445ea4e8SJohannes Berg unsigned long queues, 2017cca07b00SLuciano Coelho enum queue_stop_reason reason, 2018cca07b00SLuciano Coelho bool refcounted); 201926da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 202026da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 202126da23b6SLuciano Coelho enum queue_stop_reason reason); 202226da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 202326da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 202426da23b6SLuciano Coelho enum queue_stop_reason reason); 2025ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 2026445ea4e8SJohannes Berg unsigned long queues, 2027cca07b00SLuciano Coelho enum queue_stop_reason reason, 2028cca07b00SLuciano Coelho bool refcounted); 202996f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 2030cca07b00SLuciano Coelho enum queue_stop_reason reason, 2031cca07b00SLuciano Coelho bool refcounted); 203296f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 2033cca07b00SLuciano Coelho enum queue_stop_reason reason, 2034cca07b00SLuciano Coelho bool refcounted); 20353a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 20368f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 20378f77f384SJohannes Berg struct sk_buff *skb); 2038e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 2039e3685e03SJohannes Berg struct sk_buff_head *skbs); 204039ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 20413b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 20424f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 20434f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 20443b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 2045ce7c9111SKalle Valo 20464afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 20474afaff17SEmmanuel Grumbach { 20484afaff17SEmmanuel Grumbach /* 2049f8891461SNaftali Goldstein * It's unsafe to try to do any work during reconfigure flow. 2050f8891461SNaftali Goldstein * When the flow ends the work will be requeued. 2051f8891461SNaftali Goldstein */ 2052f8891461SNaftali Goldstein if (local->in_reconfig) 2053f8891461SNaftali Goldstein return false; 2054f8891461SNaftali Goldstein 2055f8891461SNaftali Goldstein /* 20564afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 20574afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 20584afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 20594afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 20604afaff17SEmmanuel Grumbach */ 20614afaff17SEmmanuel Grumbach if (local->quiescing) 20624afaff17SEmmanuel Grumbach return false; 20634afaff17SEmmanuel Grumbach 20644afaff17SEmmanuel Grumbach /* 20654afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 20664afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 20674afaff17SEmmanuel Grumbach * 20684afaff17SEmmanuel Grumbach * if (local->quiescing) 20694afaff17SEmmanuel Grumbach * return; 20704afaff17SEmmanuel Grumbach * local->quiescing = true; 20714afaff17SEmmanuel Grumbach * flush_workqueue(); 20724afaff17SEmmanuel Grumbach * queue_work(...); 20734afaff17SEmmanuel Grumbach * local->suspended = true; 20744afaff17SEmmanuel Grumbach * local->quiescing = false; 20754afaff17SEmmanuel Grumbach * worker starts running... 20764afaff17SEmmanuel Grumbach */ 20774afaff17SEmmanuel Grumbach if (local->suspended) 20784afaff17SEmmanuel Grumbach return false; 20794afaff17SEmmanuel Grumbach 20804afaff17SEmmanuel Grumbach return true; 20814afaff17SEmmanuel Grumbach } 20824afaff17SEmmanuel Grumbach 2083fa962b92SMichal Kazior int ieee80211_txq_setup_flows(struct ieee80211_local *local); 20842fe4a29aSToke Høiland-Jørgensen void ieee80211_txq_set_params(struct ieee80211_local *local); 2085fa962b92SMichal Kazior void ieee80211_txq_teardown_flows(struct ieee80211_local *local); 2086fa962b92SMichal Kazior void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, 2087ba8c3d6fSFelix Fietkau struct sta_info *sta, 2088ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 2089fa962b92SMichal Kazior void ieee80211_txq_purge(struct ieee80211_local *local, 2090fa962b92SMichal Kazior struct txq_info *txqi); 20912a9e2579SJohannes Berg void ieee80211_txq_remove_vlan(struct ieee80211_local *local, 20922a9e2579SJohannes Berg struct ieee80211_sub_if_data *sdata); 20932fe4a29aSToke Høiland-Jørgensen void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 20942fe4a29aSToke Høiland-Jørgensen struct txq_info *txqi); 209521a5d4c3SManikanta Pubbisetty void ieee80211_wake_txqs(unsigned long data); 209646900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 2097700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 20984a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 20991672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 21001672c0e3SJohannes Berg u32 tx_flags); 21016ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 21024b08d1b6SJohannes Berg const u8 *da, const u8 *bssid, 21034b08d1b6SJohannes Berg u16 stype, u16 reason, 21046ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 210500387f32SJohannes Berg 210600387f32SJohannes Berg enum { 210700387f32SJohannes Berg IEEE80211_PROBE_FLAG_DIRECTED = BIT(0), 2108b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1), 2109b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2), 211000387f32SJohannes Berg }; 211100387f32SJohannes Berg 2112de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 2113c56ef672SDavid Spinadel size_t buffer_len, 2114c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 2115c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 2116c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 211700387f32SJohannes Berg struct cfg80211_chan_def *chandef, 211800387f32SJohannes Berg u32 flags); 2119a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 2120a344d677SJohannes Berg const u8 *src, const u8 *dst, 2121a344d677SJohannes Berg u32 ratemask, 21226b77863bSJohannes Berg struct ieee80211_channel *chan, 2123a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 2124a806c558SPaul Stewart const u8 *ie, size_t ie_len, 212500387f32SJohannes Berg u32 flags); 21262103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 212746900298SJohannes Berg struct ieee802_11_elems *elems, 212857fbcce3SJohannes Berg enum nl80211_band band, u32 *basic_rates); 2129687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2130687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 2131687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 21320f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 213304ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 213421f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 213546900298SJohannes Berg 21368e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 2137ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 213842e7aa77SAlexander Simon u16 cap); 2139074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 21404bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 214157f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 214275d627d5SSimon Wunderlich void ieee80211_ie_build_wide_bw_cs(u8 *pos, 214375d627d5SSimon Wunderlich const struct cfg80211_chan_def *chandef); 2144ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2145ba0afa2fSMahesh Palivela u32 cap); 2146fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2147fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 214860ad72daSSven Eckelmann u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype); 214941cbb0f5SLuca Coelho u8 *ieee80211_ie_build_he_cap(u8 *pos, 215041cbb0f5SLuca Coelho const struct ieee80211_sta_he_cap *he_cap, 215141cbb0f5SLuca Coelho u8 *end); 215260ad72daSSven Eckelmann u8 *ieee80211_ie_build_he_oper(u8 *pos); 21532103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 21542103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 21552103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 2156fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 21576b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 215857fbcce3SJohannes Berg enum nl80211_band band); 2159fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 21606b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 216157fbcce3SJohannes Berg enum nl80211_band band); 216240b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 21638e664fb3SJohannes Berg 2164f444de05SJohannes Berg /* channel management */ 21658ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 21664bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 21677eb26df2SJohannes Berg bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, 21687eb26df2SJohannes Berg const struct ieee80211_vht_operation *oper, 21697eb26df2SJohannes Berg const struct ieee80211_ht_operation *htop, 2170abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 2171e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 2172f444de05SJohannes Berg 2173d01a1e65SMichal Kazior int __must_check 2174d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 21754bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2176d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 21772c9b7359SJohannes Berg int __must_check 217811335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 217911335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 218009332481SMichal Kazior enum ieee80211_chanctx_mode mode, 218109332481SMichal Kazior bool radar_required); 218211335a55SLuciano Coelho int __must_check 21835bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 218411335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 218511335a55SLuciano Coelho 218611335a55SLuciano Coelho int __must_check 21872c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 21882c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 21892c9b7359SJohannes Berg u32 *changed); 2190d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 21914d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 21921f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 21931f4ac5a6SJohannes Berg bool clear); 2194c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2195c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2196d01a1e65SMichal Kazior 219704ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 219804ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 219921f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 220021f659bfSEliad Peller struct ieee80211_chanctx *ctx); 22015cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2202164eb02dSSimon Wunderlich 2203164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2204164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2205164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2206164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2207c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2208c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 220904ecd257SJohannes Berg 22102475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 22112475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 22122475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 22132475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 22142475b1ccSMax Stepanov enum nl80211_iftype iftype); 22152475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 22162475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 22172475b1ccSMax Stepanov enum nl80211_iftype iftype); 2218057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2219057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 222073de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 222173de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 222273de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 222373de86a3SLuciano Coelho u8 radar_detect); 22246fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 22250fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 22260fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 22270fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 22282475b1ccSMax Stepanov 222995224fe8SArik Nemtsov /* TDLS */ 223095224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 22313b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 223295224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 223331fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 223431fa97c5SArik Nemtsov size_t extra_ies_len); 223595224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 22363b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2237c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2238a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2239a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2240a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2241a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2242a7a6bdd0SArik Nemtsov struct net_device *dev, 2243a7a6bdd0SArik Nemtsov const u8 *addr); 2244d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2245c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 224679c92ca4SYu Wang void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata, 224779c92ca4SYu Wang const u8 *peer, u16 reason); 224879c92ca4SYu Wang const char *ieee80211_get_reason_code_string(u16 reason_code); 224995224fe8SArik Nemtsov 2250b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2251b7ffbd7eSJohannes Berg 2252db3e1c40SToke Høiland-Jørgensen u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw, 2253db3e1c40SToke Høiland-Jørgensen struct ieee80211_vif *vif, 2254db3e1c40SToke Høiland-Jørgensen struct ieee80211_sta *pubsta, 2255db3e1c40SToke Høiland-Jørgensen int len); 2256f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2257d9e8a70fSJohannes Berg #define debug_noinline noinline 2258d9e8a70fSJohannes Berg #else 2259d9e8a70fSJohannes Berg #define debug_noinline 2260d9e8a70fSJohannes Berg #endif 2261d9e8a70fSJohannes Berg 2262f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2263