1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 6f0706e82SJiri Benc * 7f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 8f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 9f0706e82SJiri Benc * published by the Free Software Foundation. 10f0706e82SJiri Benc */ 11f0706e82SJiri Benc 12f0706e82SJiri Benc #ifndef IEEE80211_I_H 13f0706e82SJiri Benc #define IEEE80211_I_H 14f0706e82SJiri Benc 15f0706e82SJiri Benc #include <linux/kernel.h> 16f0706e82SJiri Benc #include <linux/device.h> 17f0706e82SJiri Benc #include <linux/if_ether.h> 18f0706e82SJiri Benc #include <linux/interrupt.h> 19f0706e82SJiri Benc #include <linux/list.h> 20f0706e82SJiri Benc #include <linux/netdevice.h> 21f0706e82SJiri Benc #include <linux/skbuff.h> 22f0706e82SJiri Benc #include <linux/workqueue.h> 23f0706e82SJiri Benc #include <linux/types.h> 24f0706e82SJiri Benc #include <linux/spinlock.h> 25571ecf67SJohannes Berg #include <linux/etherdevice.h> 26e1e54068SJohannes Berg #include <linux/leds.h> 27a729cff8SJohannes Berg #include <linux/idr.h> 28fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2993da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3051cb6db0SDavid S. Miller #include <net/mac80211.h> 312c8dccc7SJohannes Berg #include "key.h" 32f0706e82SJiri Benc #include "sta_info.h" 33bdcbd8e0SJohannes Berg #include "debug.h" 34f0706e82SJiri Benc 359cfb0009SJohannes Berg struct ieee80211_local; 36f0706e82SJiri Benc 37f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 38f0706e82SJiri Benc * associated stations are using power saving. */ 39f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 40f0706e82SJiri Benc 41f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 42f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 43f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 44f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 45f0706e82SJiri Benc 46f0706e82SJiri Benc /* Required encryption head and tailroom */ 47f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 48765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 49f0706e82SJiri Benc 50f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 51f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 52f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 53f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 54f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 55f0706e82SJiri Benc 561ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 571ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 581ea6f9c0SJohannes Berg 59d6a4ed6fSArik Nemtsov /* 60d6a4ed6fSArik Nemtsov * Some APs experience problems when working with U-APSD. Decrease the 61d6a4ed6fSArik Nemtsov * probability of that happening by using legacy mode for all ACs but VO. 62d6a4ed6fSArik Nemtsov * The AP that caused us trouble was a Cisco 4410N. It ignores our 63d6a4ed6fSArik Nemtsov * setting, and always treats non-VO ACs as legacy. 64d6a4ed6fSArik Nemtsov */ 65ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 66d6a4ed6fSArik Nemtsov IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 67ab13315aSKalle Valo 68ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 69ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 70ab13315aSKalle Valo 716ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 726ae16775SAntonio Quartulli 73f0706e82SJiri Benc struct ieee80211_fragment_entry { 74f0706e82SJiri Benc unsigned long first_frag_time; 75f0706e82SJiri Benc unsigned int seq; 76f0706e82SJiri Benc unsigned int rx_queue; 77f0706e82SJiri Benc unsigned int last_frag; 78f0706e82SJiri Benc unsigned int extra_len; 79f0706e82SJiri Benc struct sk_buff_head skb_list; 80f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 81f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 82f0706e82SJiri Benc }; 83f0706e82SJiri Benc 84f0706e82SJiri Benc 85c2b13452SJohannes Berg struct ieee80211_bss { 86ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 878c358bcdSJohannes Berg 8843ac2ca3SJouni Malinen bool wmm_used; 89ab13315aSKalle Valo bool uapsd_supported; 9000d3f14cSJohannes Berg 91f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 92f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 93f0706e82SJiri Benc size_t supp_rates_len; 94817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 95f0706e82SJiri Benc 9600d3f14cSJohannes Berg /* 9725985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 985628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 995628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10000d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10100d3f14cSJohannes Berg */ 10200d3f14cSJohannes Berg bool has_erp_value; 1035628221cSDaniel Drake u8 erp_value; 104fcff4f10SPaul Stewart 105fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 106fcff4f10SPaul Stewart u8 corrupt_data; 107fcff4f10SPaul Stewart 108fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 109fcff4f10SPaul Stewart u8 valid_data; 110fcff4f10SPaul Stewart }; 111fcff4f10SPaul Stewart 112fcff4f10SPaul Stewart /** 113fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 114fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 115fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 116fcff4f10SPaul Stewart * 117fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 118fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 119fcff4f10SPaul Stewart */ 120fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 121fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 122fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 123fcff4f10SPaul Stewart }; 124fcff4f10SPaul Stewart 125fcff4f10SPaul Stewart /** 126fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 127fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 128fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 129fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 130fcff4f10SPaul Stewart * 131fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 132fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 133fcff4f10SPaul Stewart * of the data structure were recieved as a result of an un-corrupted 134fcff4f10SPaul Stewart * beacon/probe response. 135fcff4f10SPaul Stewart */ 136fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 137fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 138fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 139fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 140f0706e82SJiri Benc }; 141f0706e82SJiri Benc 1429ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1439ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1449ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1459ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1469ae54c84SJohannes Berg 1475cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1485cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1499ae54c84SJohannes Berg 1505cf121c3SJohannes Berg struct ieee80211_tx_data { 151f0706e82SJiri Benc struct sk_buff *skb; 152252b86c4SJohannes Berg struct sk_buff_head skbs; 153f0706e82SJiri Benc struct ieee80211_local *local; 154f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 155f0706e82SJiri Benc struct sta_info *sta; 156f0706e82SJiri Benc struct ieee80211_key *key; 1570d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1585cf121c3SJohannes Berg 159056cdd59SJohannes Berg unsigned int flags; 1605cf121c3SJohannes Berg }; 1615cf121c3SJohannes Berg 1625cf121c3SJohannes Berg 1635cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1645cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1655cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1665cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1675cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1685cf121c3SJohannes Berg 169554891e6SJohannes Berg /** 170554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 171554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 172554891e6SJohannes Berg * (incl. multicast frames) 173554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 174554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 175554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1764cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 177554891e6SJohannes Berg * 178554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 179554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 180554891e6SJohannes Berg */ 181554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 182554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 183554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 184554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 185554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1864cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 187554891e6SJohannes Berg }; 188554891e6SJohannes Berg 189554891e6SJohannes Berg /** 190554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 191554891e6SJohannes Berg * 192554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 193ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 194ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 195554891e6SJohannes Berg * 196554891e6SJohannes Berg * These flags are used across handling multiple interfaces 197554891e6SJohannes Berg * for a single frame. 198554891e6SJohannes Berg */ 199554891e6SJohannes Berg enum ieee80211_rx_flags { 200554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 201ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 202554891e6SJohannes Berg }; 2035cf121c3SJohannes Berg 2045cf121c3SJohannes Berg struct ieee80211_rx_data { 2055cf121c3SJohannes Berg struct sk_buff *skb; 2065cf121c3SJohannes Berg struct ieee80211_local *local; 2075cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2085cf121c3SJohannes Berg struct sta_info *sta; 2095cf121c3SJohannes Berg struct ieee80211_key *key; 210056cdd59SJohannes Berg 211056cdd59SJohannes Berg unsigned int flags; 2129e26297aSJohannes Berg 2139e26297aSJohannes Berg /* 2149e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2159e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2169e26297aSJohannes Berg * will be 16 on non-QoS frames. 2179e26297aSJohannes Berg */ 2189e26297aSJohannes Berg int seqno_idx; 2199e26297aSJohannes Berg 2209e26297aSJohannes Berg /* 2219e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2229e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2239e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2249e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2259e26297aSJohannes Berg */ 2269e26297aSJohannes Berg int security_idx; 2279e26297aSJohannes Berg 22850741ae0SJohannes Berg u32 tkip_iv32; 22950741ae0SJohannes Berg u16 tkip_iv16; 230f0706e82SJiri Benc }; 231f0706e82SJiri Benc 2325dfdaf58SJohannes Berg struct beacon_data { 2335dfdaf58SJohannes Berg u8 *head, *tail; 2345dfdaf58SJohannes Berg int head_len, tail_len; 2358860020eSJohannes Berg struct rcu_head rcu_head; 2365dfdaf58SJohannes Berg }; 2375dfdaf58SJohannes Berg 238aa7a0080SEyal Shapira struct probe_resp { 239aa7a0080SEyal Shapira struct rcu_head rcu_head; 240aa7a0080SEyal Shapira int len; 241aa7a0080SEyal Shapira u8 data[0]; 242aa7a0080SEyal Shapira }; 243aa7a0080SEyal Shapira 244d012a605SMarco Porsch struct ps_data { 245d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 246d012a605SMarco Porsch * bitmap_empty :) 247d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 248d012a605SMarco Porsch u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 249d012a605SMarco Porsch struct sk_buff_head bc_buf; 250d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 251d012a605SMarco Porsch int dtim_count; 252d012a605SMarco Porsch bool dtim_bc_mc; 253d012a605SMarco Porsch }; 254d012a605SMarco Porsch 255f0706e82SJiri Benc struct ieee80211_if_ap { 25640b275b6SJohannes Berg struct beacon_data __rcu *beacon; 257aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 258f0706e82SJiri Benc 25973da7d5bSSimon Wunderlich /* to be used after channel switch. */ 26073da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2610ec3ca44SJohannes Berg struct list_head vlans; 2620ec3ca44SJohannes Berg 263d012a605SMarco Porsch struct ps_data ps; 264030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 265687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 266687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 267687da132SEmmanuel Grumbach 268687da132SEmmanuel Grumbach struct work_struct request_smps_work; 269f0706e82SJiri Benc }; 270f0706e82SJiri Benc 271f0706e82SJiri Benc struct ieee80211_if_wds { 272f0706e82SJiri Benc struct sta_info *sta; 273056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 274f0706e82SJiri Benc }; 275f0706e82SJiri Benc 276f0706e82SJiri Benc struct ieee80211_if_vlan { 2770ec3ca44SJohannes Berg struct list_head list; 278f14543eeSFelix Fietkau 279f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 28040b275b6SJohannes Berg struct sta_info __rcu *sta; 281f0706e82SJiri Benc }; 282f0706e82SJiri Benc 283ee385855SLuis Carlos Cobo struct mesh_stats { 284c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 285c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 286c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 287ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 288ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 289cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 290ee385855SLuis Carlos Cobo }; 291ee385855SLuis Carlos Cobo 292ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 293ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 294ee385855SLuis Carlos Cobo struct mesh_preq_queue { 295ee385855SLuis Carlos Cobo struct list_head list; 296ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 297ee385855SLuis Carlos Cobo u8 flags; 298ee385855SLuis Carlos Cobo }; 299ee385855SLuis Carlos Cobo 3002eb278e0SJohannes Berg #if HZ/100 == 0 3012eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT 1 3022eb278e0SJohannes Berg #else 3032eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT (HZ/100) 3042eb278e0SJohannes Berg #endif 30577fdaa12SJohannes Berg 3062eb278e0SJohannes Berg struct ieee80211_roc_work { 30777fdaa12SJohannes Berg struct list_head list; 3082eb278e0SJohannes Berg struct list_head dependents; 309f679f65dSJohannes Berg 3102eb278e0SJohannes Berg struct delayed_work work; 311af6b6374SJohannes Berg 312af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 313af6b6374SJohannes Berg 314f679f65dSJohannes Berg struct ieee80211_channel *chan; 315af6b6374SJohannes Berg 3162eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 3173fbd45caSJohannes Berg bool to_be_freed; 318f679f65dSJohannes Berg 3192eb278e0SJohannes Berg unsigned long hw_start_time; 320e4da8c37SJohannes Berg 3212eb278e0SJohannes Berg u32 duration, req_duration; 322f30221e4SJohannes Berg struct sk_buff *frame; 32350febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 324d339d5caSIlan Peer enum ieee80211_roc_type type; 32577fdaa12SJohannes Berg }; 32677fdaa12SJohannes Berg 32746900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 328ab1faeadSJohannes Berg enum ieee80211_sta_flags { 329b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 330b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 331a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 332b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 333b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 334ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 335375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 33617e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 33724398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 338d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 339f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 340f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 341095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 342ab1faeadSJohannes Berg }; 343ab1faeadSJohannes Berg 34466e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 34566e67e41SJohannes Berg struct cfg80211_bss *bss; 34666e67e41SJohannes Berg unsigned long timeout; 34766e67e41SJohannes Berg int tries; 34866e67e41SJohannes Berg u16 algorithm, expected_transaction; 34966e67e41SJohannes Berg 35066e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 35166e67e41SJohannes Berg u8 key_len, key_idx; 35266e67e41SJohannes Berg bool done; 35389afe614SJohannes Berg bool timeout_started; 35466e67e41SJohannes Berg 3556b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3566b8ece3aSJouni Malinen size_t data_len; 3576b8ece3aSJouni Malinen u8 data[]; 35866e67e41SJohannes Berg }; 35966e67e41SJohannes Berg 36066e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 36166e67e41SJohannes Berg struct cfg80211_bss *bss; 36266e67e41SJohannes Berg const u8 *supp_rates; 36366e67e41SJohannes Berg 36466e67e41SJohannes Berg unsigned long timeout; 36566e67e41SJohannes Berg int tries; 36666e67e41SJohannes Berg 36766e67e41SJohannes Berg u16 capability; 36866e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 36966e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 37066e67e41SJohannes Berg u8 ssid_len; 37166e67e41SJohannes Berg u8 supp_rates_len; 37276f0303dSJohannes Berg bool wmm, uapsd; 373989c6505SAlexander Bondar bool need_beacon; 37466e67e41SJohannes Berg bool synced; 37589afe614SJohannes Berg bool timeout_started; 37666e67e41SJohannes Berg 3779dde6423SJohannes Berg u8 ap_ht_param; 3789dde6423SJohannes Berg 379b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 380b08fbbd8SJohannes Berg 38166e67e41SJohannes Berg size_t ie_len; 38266e67e41SJohannes Berg u8 ie[]; 38366e67e41SJohannes Berg }; 38466e67e41SJohannes Berg 38546900298SJohannes Berg struct ieee80211_if_managed { 386056cdd59SJohannes Berg struct timer_list timer; 387b291ba11SJohannes Berg struct timer_list conn_mon_timer; 388b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 389c481ec97SSujith struct timer_list chswitch_timer; 390b291ba11SJohannes Berg struct work_struct monitor_work; 391c481ec97SSujith struct work_struct chswitch_work; 3921e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 393882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 39446900298SJohannes Berg 3957ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 396b291ba11SJohannes Berg unsigned long probe_timeout; 397a43abf29SMaxim Levitsky int probe_send_count; 39804ac3c0eSFelix Fietkau bool nullfunc_failed; 399682bd38bSJohannes Berg bool connection_loss; 400b291ba11SJohannes Berg 4010c1ad2caSJohannes Berg struct cfg80211_bss *associated; 40266e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 40366e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 40446900298SJohannes Berg 40577fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 40646900298SJohannes Berg 407f0706e82SJiri Benc u16 aid; 408f0706e82SJiri Benc 409965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 41005cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 411989c6505SAlexander Bondar bool have_beacon; 412826262c3SJohannes Berg u8 dtim_period; 4130f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 414d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 415d1f5b7a3SJohannes Berg 416d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 417965bedadSJohannes Berg 418d6f2da5bSJiri Slaby unsigned int flags; 419f0706e82SJiri Benc 420d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 421d91f36dbSJohannes Berg u32 beacon_crc; 422d91f36dbSJohannes Berg 4231672c0e3SJohannes Berg bool status_acked; 4241672c0e3SJohannes Berg bool status_received; 4251672c0e3SJohannes Berg __le16 status_fc; 4261672c0e3SJohannes Berg 427fdfacf0aSJouni Malinen enum { 428fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 429fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 430fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 431fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 432fdfacf0aSJouni Malinen 433dc41e4d4SEliad Peller /* 434dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 435dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 436dc41e4d4SEliad Peller * to take effect. 437dc41e4d4SEliad Peller */ 438dc41e4d4SEliad Peller unsigned int uapsd_queues; 439dc41e4d4SEliad Peller 440dc41e4d4SEliad Peller /* 441dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 442dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 443dc41e4d4SEliad Peller * Needs a new association to take effect. 444dc41e4d4SEliad Peller */ 445dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 446dc41e4d4SEliad Peller 447f0706e82SJiri Benc int wmm_last_param_set; 4489bc383deSJohannes Berg 4499bc383deSJohannes Berg u8 use_4addr; 45017e4ec14SJouni Malinen 45167baf663SJanusz Dziedzic s16 p2p_noa_index; 452488dd7b5SJohannes Berg 45317e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 45417e4ec14SJouni Malinen int last_beacon_signal; 45517e4ec14SJouni Malinen 45617e4ec14SJouni Malinen /* 45717e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 45817e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 45917e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 46017e4ec14SJouni Malinen * divided by 16 to get the actual value. 46117e4ec14SJouni Malinen */ 46217e4ec14SJouni Malinen int ave_beacon_signal; 46317e4ec14SJouni Malinen 46417e4ec14SJouni Malinen /* 465391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 466391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 467391a200aSJouni Malinen * only on couple of received frames. 468391a200aSJouni Malinen */ 469391a200aSJouni Malinen unsigned int count_beacon_signal; 470391a200aSJouni Malinen 471391a200aSJouni Malinen /* 47217e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 47317e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 47417e4ec14SJouni Malinen * generated for the current association. 47517e4ec14SJouni Malinen */ 47617e4ec14SJouni Malinen int last_cqm_event_signal; 477615f7b9bSMeenakshi Venkataraman 478615f7b9bSMeenakshi Venkataraman /* 479615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 480615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 481615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 482615f7b9bSMeenakshi Venkataraman */ 483615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 484615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 485ef96a842SBen Greear 486ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 487ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 488dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 489dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 490f0706e82SJiri Benc }; 491f0706e82SJiri Benc 49246900298SJohannes Berg struct ieee80211_if_ibss { 49346900298SJohannes Berg struct timer_list timer; 494cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 49546900298SJohannes Berg 496af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4975bb644a0SJohannes Berg 498fbd2c8dcSTeemu Paasikivi u32 basic_rates; 499fbd2c8dcSTeemu Paasikivi 500af8cdcd8SJohannes Berg bool fixed_bssid; 501af8cdcd8SJohannes Berg bool fixed_channel; 502fffd0934SJohannes Berg bool privacy; 50346900298SJohannes Berg 504267335d6SAntonio Quartulli bool control_port; 5058e8d347dSSimon Wunderlich bool userspace_handles_dfs; 506267335d6SAntonio Quartulli 5074d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 508af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 509af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 510af8cdcd8SJohannes Berg u8 *ie; 5113aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 51246900298SJohannes Berg 51346900298SJohannes Berg unsigned long ibss_join_req; 514af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 515c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 51646900298SJohannes Berg 517822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 518822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 519822854b0SSimon Wunderlich 5208bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5218bf11d8dSJohannes Berg struct list_head incomplete_stations; 5228bf11d8dSJohannes Berg 52346900298SJohannes Berg enum { 52446900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 52546900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 52646900298SJohannes Berg } state; 52746900298SJohannes Berg }; 52846900298SJohannes Berg 529dbf498fbSJavier Cardona /** 530dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 531dbf498fbSJavier Cardona * 532dbf498fbSJavier Cardona * these declarations define the interface, which enables 533dbf498fbSJavier Cardona * vendor-specific mesh synchronization 534dbf498fbSJavier Cardona * 535dbf498fbSJavier Cardona */ 536dbf498fbSJavier Cardona struct ieee802_11_elems; 537dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 538dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 539dbf498fbSJavier Cardona u16 stype, 540dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 541dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 542dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 543dbf498fbSJavier Cardona void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); 544dbf498fbSJavier Cardona /* add other framework functions here */ 545dbf498fbSJavier Cardona }; 546dbf498fbSJavier Cardona 547b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 548b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 549b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 550b8456a14SChun-Yeow Yeoh }; 551b8456a14SChun-Yeow Yeoh 552472dbc45SJohannes Berg struct ieee80211_if_mesh { 553472dbc45SJohannes Berg struct timer_list housekeeping_timer; 554472dbc45SJohannes Berg struct timer_list mesh_path_timer; 555e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 556472dbc45SJohannes Berg 55718889231SJavier Cardona unsigned long wrkq_flags; 558f81a9dedSThomas Pedersen unsigned long mbss_changed; 559472dbc45SJohannes Berg 560472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 561472dbc45SJohannes Berg size_t mesh_id_len; 562472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5633491707aSRui Paulo u8 mesh_pp_id; 564472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5653491707aSRui Paulo u8 mesh_pm_id; 566472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5673491707aSRui Paulo u8 mesh_cc_id; 5689e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5693491707aSRui Paulo u8 mesh_sp_id; 5709e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5713491707aSRui Paulo u8 mesh_auth_id; 572d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 573d19b3bf6SRui Paulo u32 sn; 574472dbc45SJohannes Berg /* Last used PREQ ID */ 575472dbc45SJohannes Berg u32 preq_id; 576472dbc45SJohannes Berg atomic_t mpaths; 577d19b3bf6SRui Paulo /* Timestamp of last SN update */ 578d19b3bf6SRui Paulo unsigned long last_sn_update; 579dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 580dca7e943SThomas Pedersen unsigned long next_perr; 581dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 582472dbc45SJohannes Berg unsigned long last_preq; 583472dbc45SJohannes Berg struct mesh_rmc *rmc; 584472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 585472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 586472dbc45SJohannes Berg int preq_queue_len; 587472dbc45SJohannes Berg struct mesh_stats mshstats; 588472dbc45SJohannes Berg struct mesh_config mshcfg; 5891258d976SAshok Nagarajan atomic_t estab_plinks; 590472dbc45SJohannes Berg u32 mesh_seqnum; 591472dbc45SJohannes Berg bool accepting_plinks; 5925ee68e5bSJavier Cardona int num_gates; 5932b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 594581a8b0fSJavier Cardona const u8 *ie; 595581a8b0fSJavier Cardona u8 ie_len; 596b130e5ceSJavier Cardona enum { 597b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 598b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 599b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 600b130e5ceSJavier Cardona } security; 601a6dad6a2SThomas Pedersen bool user_mpm; 602dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6038ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 604dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 605dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 606dbf498fbSJavier Cardona bool adjusting_tbtt; 6073f52b7e3SMarco Porsch /* mesh power save */ 6083f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6093f52b7e3SMarco Porsch int ps_peers_light_sleep; 6103f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6113f52b7e3SMarco Porsch struct ps_data ps; 6128f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 613b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6148f2535b9SChun-Yeow Yeoh bool chsw_init; 615b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 6168f2535b9SChun-Yeow Yeoh u16 pre_value; 617472dbc45SJohannes Berg }; 618902acc78SJohannes Berg 619902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 620472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 621472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 622902acc78SJohannes Berg #else 623472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 624902acc78SJohannes Berg do { } while (0) 625902acc78SJohannes Berg #endif 626f0706e82SJiri Benc 627213cd118SJohannes Berg /** 628213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 629213cd118SJohannes Berg * 630213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 631213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 632213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 633213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 634213cd118SJohannes Berg * associated stations and deliver multicast frames both 635213cd118SJohannes Berg * back to wireless media and to the local net stack. 63695acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6377b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 638213cd118SJohannes Berg */ 639213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 640213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 641213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6427986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6437986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 64495acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6457b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 646213cd118SJohannes Berg }; 647213cd118SJohannes Berg 64834d4bc4dSJohannes Berg /** 64934d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 65034d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 65134d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 65234d4bc4dSJohannes Berg * change handling while the interface is up 6535b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6545b714c6aSJohannes Berg * mode, so queues are stopped 655d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 656d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 65734d4bc4dSJohannes Berg */ 65834d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 65934d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6605b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 661d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 66234d4bc4dSJohannes Berg }; 66334d4bc4dSJohannes Berg 664d01a1e65SMichal Kazior /** 665d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 666d01a1e65SMichal Kazior * 667d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 668d01a1e65SMichal Kazior * multiple interfaces 669d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 670d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 671d01a1e65SMichal Kazior * non-fixed channel IBSS. 672d01a1e65SMichal Kazior */ 673d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 674d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 675d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 676d01a1e65SMichal Kazior }; 677d01a1e65SMichal Kazior 678d01a1e65SMichal Kazior struct ieee80211_chanctx { 679d01a1e65SMichal Kazior struct list_head list; 680d01a1e65SMichal Kazior struct rcu_head rcu_head; 681d01a1e65SMichal Kazior 682d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 683d01a1e65SMichal Kazior int refcount; 6848a61af65SJohannes Berg bool driver_present; 685d01a1e65SMichal Kazior 686d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 687d01a1e65SMichal Kazior }; 688d01a1e65SMichal Kazior 689f0706e82SJiri Benc struct ieee80211_sub_if_data { 690f0706e82SJiri Benc struct list_head list; 691f0706e82SJiri Benc 692f0706e82SJiri Benc struct wireless_dev wdev; 693f0706e82SJiri Benc 69411a843b7SJohannes Berg /* keys */ 69511a843b7SJohannes Berg struct list_head key_list; 69611a843b7SJohannes Berg 6973bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 6983bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 6998d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 7008d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 7013bff1865SYogesh Ashok Powar 702f0706e82SJiri Benc struct net_device *dev; 703f0706e82SJiri Benc struct ieee80211_local *local; 704f0706e82SJiri Benc 70513262ffdSJiri Slaby unsigned int flags; 7067e9ed188SDaniel Drake 70734d4bc4dSJohannes Berg unsigned long state; 70834d4bc4dSJohannes Berg 709f0706e82SJiri Benc int drop_unencrypted; 710f0706e82SJiri Benc 71147846c9bSJohannes Berg char name[IFNAMSIZ]; 71247846c9bSJohannes Berg 713f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 714f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 715f0706e82SJiri Benc unsigned int fragment_next; 716f0706e82SJiri Benc 717b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 718b53be792SSimon Wunderlich u16 noack_map; 719b53be792SSimon Wunderlich 72000e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 72100e96decSYoni Divinsky u8 wmm_acm; 72200e96decSYoni Divinsky 72340b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 72440b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 72540b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 72640b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 727f0706e82SJiri Benc 72894778280SJohannes Berg u16 sequence_number; 729a621fa4dSJohannes Berg __be16 control_port_protocol; 730a621fa4dSJohannes Berg bool control_port_no_encrypt; 7312475b1ccSMax Stepanov int encrypt_headroom; 73294778280SJohannes Berg 73354bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 734f6f3def3SEliad Peller 73573da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 73673da7d5bSSimon Wunderlich int csa_counter_offset_beacon; 73773da7d5bSSimon Wunderlich int csa_counter_offset_presp; 73873da7d5bSSimon Wunderlich bool csa_radar_required; 73933787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 74073da7d5bSSimon Wunderlich 74104ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 74204ecd257SJohannes Berg struct work_struct recalc_smps; 74304ecd257SJohannes Berg 74464592c8fSJohannes Berg struct work_struct work; 74535f20c14SJohannes Berg struct sk_buff_head skb_queue; 74635f20c14SJohannes Berg 74704ecd257SJohannes Berg u8 needed_rx_chains; 74804ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 74904ecd257SJohannes Berg 7501ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 7511ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 7521ea6f9c0SJohannes Berg 753164eb02dSSimon Wunderlich bool radar_required; 754164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 755164eb02dSSimon Wunderlich 7563e122be0SJohannes Berg /* 7573e122be0SJohannes Berg * AP this belongs to: self in AP mode and 7583e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 7593e122be0SJohannes Berg * all others (might be needed later in IBSS) 7603e122be0SJohannes Berg */ 7613e122be0SJohannes Berg struct ieee80211_if_ap *bss; 7623e122be0SJohannes Berg 76337eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 76437eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 7652ffbe6d3SFelix Fietkau 7662ffbe6d3SFelix Fietkau bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; 76719468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 768f0706e82SJiri Benc 769f0706e82SJiri Benc union { 770f0706e82SJiri Benc struct ieee80211_if_ap ap; 771f0706e82SJiri Benc struct ieee80211_if_wds wds; 772f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 77346900298SJohannes Berg struct ieee80211_if_managed mgd; 77446900298SJohannes Berg struct ieee80211_if_ibss ibss; 775472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 7768cc9a739SMichael Wu u32 mntr_flags; 777f0706e82SJiri Benc } u; 778e9f207f0SJiri Benc 779e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 780e9f207f0SJiri Benc struct { 781295bafb4SBen Greear struct dentry *subdir_stations; 782f7e0104cSJohannes Berg struct dentry *default_unicast_key; 783f7e0104cSJohannes Berg struct dentry *default_multicast_key; 7843cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 7857bcfaf2fSJohannes Berg } debugfs; 786e9f207f0SJiri Benc #endif 787529ba6e9SJohannes Berg 78832bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 78932bfd35dSJohannes Berg struct ieee80211_vif vif; 790f0706e82SJiri Benc }; 791f0706e82SJiri Benc 79232bfd35dSJohannes Berg static inline 79332bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 79432bfd35dSJohannes Berg { 79532bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 79632bfd35dSJohannes Berg } 79732bfd35dSJohannes Berg 7988d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 7998d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 8008d61ffa5SJohannes Berg { 8018d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 8028d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 8038d61ffa5SJohannes Berg } 8048d61ffa5SJohannes Berg 8058d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 8068d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 8078d61ffa5SJohannes Berg { 8088d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 8098d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 8108d61ffa5SJohannes Berg } 8118d61ffa5SJohannes Berg 8127ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 8137ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 8147ca133bcSSimon Wunderlich 8158d61ffa5SJohannes Berg static inline void 8168d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 8178d61ffa5SJohannes Berg { 8188d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 8198d61ffa5SJohannes Berg } 8208d61ffa5SJohannes Berg 82155de908aSJohannes Berg static inline enum ieee80211_band 82255de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 82355de908aSJohannes Berg { 82455de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 82555de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 82655de908aSJohannes Berg 82755de908aSJohannes Berg rcu_read_lock(); 82855de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 82955de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 8304bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 83155de908aSJohannes Berg rcu_read_unlock(); 83255de908aSJohannes Berg 83355de908aSJohannes Berg return band; 83455de908aSJohannes Berg } 83555de908aSJohannes Berg 836438b61b7SSimon Wunderlich static inline int 837438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 838438b61b7SSimon Wunderlich { 839438b61b7SSimon Wunderlich switch (chandef->width) { 840438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 841438b61b7SSimon Wunderlich return 2; 842438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 843438b61b7SSimon Wunderlich return 1; 844438b61b7SSimon Wunderlich default: 845438b61b7SSimon Wunderlich return 0; 846438b61b7SSimon Wunderlich } 847438b61b7SSimon Wunderlich } 848438b61b7SSimon Wunderlich 849438b61b7SSimon Wunderlich static inline int 850438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 851438b61b7SSimon Wunderlich { 852438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 853438b61b7SSimon Wunderlich int shift = 0; 854438b61b7SSimon Wunderlich 855438b61b7SSimon Wunderlich rcu_read_lock(); 856438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 857438b61b7SSimon Wunderlich if (chanctx_conf) 858438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 859438b61b7SSimon Wunderlich rcu_read_unlock(); 860438b61b7SSimon Wunderlich 861438b61b7SSimon Wunderlich return shift; 862438b61b7SSimon Wunderlich } 863438b61b7SSimon Wunderlich 864c1475ca9SJohannes Berg enum sdata_queue_type { 865c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 866c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 867c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 868c1475ca9SJohannes Berg }; 869c1475ca9SJohannes Berg 870f0706e82SJiri Benc enum { 871f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 872f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 873f0706e82SJiri Benc }; 874f0706e82SJiri Benc 875ce7c9111SKalle Valo enum queue_stop_reason { 876ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 877520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 87896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 87996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 88025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 8818f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 8826c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 883445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 884ce7c9111SKalle Valo }; 885ce7c9111SKalle Valo 88665a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 887e1e54068SJohannes Berg struct tpt_led_trigger { 888e1e54068SJohannes Berg struct led_trigger trig; 889e1e54068SJohannes Berg char name[32]; 890e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 891e1e54068SJohannes Berg unsigned int blink_table_len; 892e1e54068SJohannes Berg struct timer_list timer; 893e1e54068SJohannes Berg unsigned long prev_traffic; 894e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 89567408c8cSJohannes Berg unsigned int active, want; 89667408c8cSJohannes Berg bool running; 897e1e54068SJohannes Berg }; 89865a6538aSLuciano Coelho #endif 899e1e54068SJohannes Berg 900ad38bfc9SMatti Gottlieb /* 901ad38bfc9SMatti Gottlieb * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges 902ad38bfc9SMatti Gottlieb * 903ad38bfc9SMatti Gottlieb * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a 904ad38bfc9SMatti Gottlieb * certain latency range (in Milliseconds). Each station that uses these 905ad38bfc9SMatti Gottlieb * ranges will have bins to count the amount of frames received in that range. 906ad38bfc9SMatti Gottlieb * The user can configure the ranges via debugfs. 907ad38bfc9SMatti Gottlieb * If ranges is NULL then Tx latency statistics bins are disabled for all 908ad38bfc9SMatti Gottlieb * stations. 909ad38bfc9SMatti Gottlieb * 910ad38bfc9SMatti Gottlieb * @n_ranges: number of ranges that are taken in account 911ad38bfc9SMatti Gottlieb * @ranges: the ranges that the user requested or NULL if disabled. 912ad38bfc9SMatti Gottlieb */ 913ad38bfc9SMatti Gottlieb struct ieee80211_tx_latency_bin_ranges { 914ad38bfc9SMatti Gottlieb int n_ranges; 915ad38bfc9SMatti Gottlieb u32 ranges[]; 916ad38bfc9SMatti Gottlieb }; 917ad38bfc9SMatti Gottlieb 918142b9f50SHelmut Schaa /** 919142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 920142b9f50SHelmut Schaa * 921142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 922142b9f50SHelmut Schaa * well be on the operating channel 923142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 924142b9f50SHelmut Schaa * determine if we are on the operating channel or not 9258a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 9268a690674SBen Greear * channel. This should not interrupt normal traffic. 9278789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 9288789d459SJohannes Berg * that the scan completed. 9298789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 9308789d459SJohannes Berg * a scan complete for an aborted scan. 931a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 932a754055aSEmmanuel Grumbach * cancelled. 933142b9f50SHelmut Schaa */ 934fbe9c429SHelmut Schaa enum { 935fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 936142b9f50SHelmut Schaa SCAN_HW_SCANNING, 9378a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 9388789d459SJohannes Berg SCAN_COMPLETED, 9398789d459SJohannes Berg SCAN_ABORTED, 940a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 941142b9f50SHelmut Schaa }; 942142b9f50SHelmut Schaa 943142b9f50SHelmut Schaa /** 944142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 945142b9f50SHelmut Schaa * 946142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 947142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 948142b9f50SHelmut Schaa * operating channel 949142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 950142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 95107ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 95207ef03eeSJohannes Berg * send out data 95307ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 954cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 955142b9f50SHelmut Schaa */ 956142b9f50SHelmut Schaa enum mac80211_scan_state { 957142b9f50SHelmut Schaa SCAN_DECISION, 958142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 959142b9f50SHelmut Schaa SCAN_SEND_PROBE, 96007ef03eeSJohannes Berg SCAN_SUSPEND, 96107ef03eeSJohannes Berg SCAN_RESUME, 962cd2bb512SSam Leffler SCAN_ABORT, 963fbe9c429SHelmut Schaa }; 964fbe9c429SHelmut Schaa 965f0706e82SJiri Benc struct ieee80211_local { 966f0706e82SJiri Benc /* embed the driver visible part. 967f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 968f0706e82SJiri Benc * it first anyway so they become a no-op */ 969f0706e82SJiri Benc struct ieee80211_hw hw; 970f0706e82SJiri Benc 971f0706e82SJiri Benc const struct ieee80211_ops *ops; 972f0706e82SJiri Benc 97342935ecaSLuis R. Rodriguez /* 97442935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 97542935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 97642935ecaSLuis R. Rodriguez */ 97742935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 97842935ecaSLuis R. Rodriguez 979e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 98096f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 981ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 98296f5e66eSJohannes Berg 983f0706e82SJiri Benc int open_count; 9843d30d949SMichael Wu int monitors, cooked_mntrs; 9858cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 9867be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 9877be5086dSJohannes Berg fif_probe_req; 9887be5086dSJohannes Berg int probe_req_reg; 9894150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 9903b8d81e0SJohannes Berg 9913ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 9923ffc2a90SJohannes Berg 993fe57d9f5SJohannes Berg bool use_chanctx; 994fe57d9f5SJohannes Berg 9953b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 9963b8d81e0SJohannes Berg spinlock_t filter_lock; 9973b8d81e0SJohannes Berg 9983ac64beeSJohannes Berg /* used for uploading changed mc list */ 9993ac64beeSJohannes Berg struct work_struct reconfig_filter; 10003ac64beeSJohannes Berg 10013b8d81e0SJohannes Berg /* aggregated multicast list */ 100222bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 10033b8d81e0SJohannes Berg 1004d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 10055bb644a0SJohannes Berg 10065bb644a0SJohannes Berg /* 10075bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 10085bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 10095bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 10105bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 10115bb644a0SJohannes Berg */ 10125bb644a0SJohannes Berg bool suspended; 10135bb644a0SJohannes Berg 10145bb644a0SJohannes Berg /* 1015ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1016ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1017ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1018ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1019ceb99fe0SJohannes Berg */ 1020ceb99fe0SJohannes Berg bool resuming; 1021ceb99fe0SJohannes Berg 1022ceb99fe0SJohannes Berg /* 10235bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 10245bb644a0SJohannes Berg * ease timer cancelling etc. 10255bb644a0SJohannes Berg */ 10265bb644a0SJohannes Berg bool quiescing; 10275bb644a0SJohannes Berg 1028ea77f12fSJohannes Berg /* device is started */ 1029ea77f12fSJohannes Berg bool started; 1030ea77f12fSJohannes Berg 103104800adaSArik Nemtsov /* device is during a HW reconfig */ 103204800adaSArik Nemtsov bool in_reconfig; 103304800adaSArik Nemtsov 1034eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1035eecc4800SJohannes Berg bool wowlan; 1036eecc4800SJohannes Berg 1037164eb02dSSimon Wunderlich /* DFS/radar detection is enabled */ 1038164eb02dSSimon Wunderlich bool radar_detect_enabled; 1039164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1040164eb02dSSimon Wunderlich 104104ecd257SJohannes Berg /* number of RX chains the hardware has */ 104204ecd257SJohannes Berg u8 rx_chains; 104304ecd257SJohannes Berg 1044b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1045f0706e82SJiri Benc 1046f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1047f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1048f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1049f0706e82SJiri Benc * queues increases over the limit. */ 1050f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1051f0706e82SJiri Benc struct tasklet_struct tasklet; 1052f0706e82SJiri Benc struct sk_buff_head skb_queue; 1053f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1054f0706e82SJiri Benc 1055f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 105624a8fdadSChristian Lamparter 1057d0709a65SJohannes Berg /* Station data */ 1058d0709a65SJohannes Berg /* 10594d33960bSJohannes Berg * The mutex only protects the list, hash table and 10604d33960bSJohannes Berg * counter, reads are done with RCU. 1061d0709a65SJohannes Berg */ 106234e89507SJohannes Berg struct mutex sta_mtx; 10634d33960bSJohannes Berg spinlock_t tim_lock; 1064d0709a65SJohannes Berg unsigned long num_sta; 10654d33960bSJohannes Berg struct list_head sta_list; 106640b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 1067f0706e82SJiri Benc struct timer_list sta_cleanup; 1068f5ea9120SJohannes Berg int sta_generation; 1069f0706e82SJiri Benc 1070ad38bfc9SMatti Gottlieb /* 1071ad38bfc9SMatti Gottlieb * Tx latency statistics parameters for all stations. 1072ad38bfc9SMatti Gottlieb * Can enable via debugfs (NULL when disabled). 1073ad38bfc9SMatti Gottlieb */ 1074ad38bfc9SMatti Gottlieb struct ieee80211_tx_latency_bin_ranges __rcu *tx_latency; 1075ad38bfc9SMatti Gottlieb 10762a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1077f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1078f0706e82SJiri Benc 1079a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1080cd8ffc80SJohannes Berg 1081f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 108253918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 1083f0706e82SJiri Benc 1084f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1085f0706e82SJiri Benc 10865f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 10875f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1088f0706e82SJiri Benc u32 wep_iv; 1089f0706e82SJiri Benc 1090c771c9d8SJohannes Berg /* see iface.c */ 109179010420SJohannes Berg struct list_head interfaces; 1092c771c9d8SJohannes Berg struct mutex iflist_mtx; 109379010420SJohannes Berg 1094b16bd15cSJohannes Berg /* 1095ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1096b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1097b16bd15cSJohannes Berg */ 1098ad0e2b5aSJohannes Berg struct mutex key_mtx; 1099b16bd15cSJohannes Berg 1100a1699b75SJohannes Berg /* mutex for scan and work locking */ 1101a1699b75SJohannes Berg struct mutex mtx; 1102b16bd15cSJohannes Berg 1103c2b13452SJohannes Berg /* Scanning and BSS list */ 1104fbe9c429SHelmut Schaa unsigned long scanning; 11052a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 11065ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 11074d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 11087ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 11094d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1110f0706e82SJiri Benc int scan_channel_idx; 1111de95a54bSJohannes Berg int scan_ies_len; 1112c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 11138318d78aSJohannes Berg 111485a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 11155260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 1116d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *sched_scan_req; 111779f460caSLuciano Coelho 1118df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1119977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1120f0706e82SJiri Benc struct delayed_work scan_work; 1121e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 112255de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1123675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1124f0706e82SJiri Benc 1125b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1126b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1127b8bc4b0aSJohannes Berg 1128d01a1e65SMichal Kazior /* channel contexts */ 1129d01a1e65SMichal Kazior struct list_head chanctx_list; 1130d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1131d01a1e65SMichal Kazior 1132f0706e82SJiri Benc /* SNMP counters */ 1133f0706e82SJiri Benc /* dot11CountersTable */ 1134f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1135f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1136f0706e82SJiri Benc u32 dot11FailedCount; 1137f0706e82SJiri Benc u32 dot11RetryCount; 1138f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1139f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1140f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1141f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1142f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1143f0706e82SJiri Benc 1144f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1145cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1146e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1147cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1148cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1149f0706e82SJiri Benc #endif 1150f0706e82SJiri Benc 1151f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1152f0706e82SJiri Benc /* TX/RX handler statistics */ 1153f0706e82SJiri Benc unsigned int tx_handlers_drop; 1154f0706e82SJiri Benc unsigned int tx_handlers_queued; 1155f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1156f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1157f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1158f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1159f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1160f0706e82SJiri Benc unsigned int rx_handlers_drop; 1161f0706e82SJiri Benc unsigned int rx_handlers_queued; 1162f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1163f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1164f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1165f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1166f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1167f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1168f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1169f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1170f0706e82SJiri Benc unsigned int tx_status_drop; 1171f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1172f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1173f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1174f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1175f0706e82SJiri Benc 1176f0706e82SJiri Benc 1177f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1178f0706e82SJiri Benc * multicast packets for power saving stations 1179f0706e82SJiri Benc */ 1180520eb820SKalle Valo 1181572e0012SKalle Valo bool pspolling; 1182b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1183965bedadSJohannes Berg /* 1184965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1185965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1186965bedadSJohannes Berg */ 1187965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1188520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1189520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1190520eb820SKalle Valo struct timer_list dynamic_ps_timer; 119110f644a4SJohannes Berg struct notifier_block network_latency_notifier; 11922b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1193a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1194f0706e82SJiri Benc 1195ff616381SJuuso Oikarinen /* 1196ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1197ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1198ff616381SJuuso Oikarinen */ 1199ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1200ff616381SJuuso Oikarinen 12011ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 12022bf30fabSJohannes Berg 12030f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 12040f78231bSJohannes Berg 1205f2753ddbSJohannes Berg struct work_struct restart_work; 1206f2753ddbSJohannes Berg 1207e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1208e9f207f0SJiri Benc struct local_debugfsdentries { 12094b7679a5SJohannes Berg struct dentry *rcdir; 1210e9f207f0SJiri Benc struct dentry *keys; 1211e9f207f0SJiri Benc } debugfs; 1212e9f207f0SJiri Benc #endif 12134e6cbfd0SJohn W. Linville 12142eb278e0SJohannes Berg /* 12152eb278e0SJohannes Berg * Remain-on-channel support 12162eb278e0SJohannes Berg */ 12172eb278e0SJohannes Berg struct list_head roc_list; 121821f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 12192eb278e0SJohannes Berg unsigned long hw_roc_start_time; 122050febf6aSJohannes Berg u64 roc_cookie_counter; 122121f83589SJohannes Berg 1222a729cff8SJohannes Berg struct idr ack_status_frames; 1223a729cff8SJohannes Berg spinlock_t ack_status_lock; 1224a729cff8SJohannes Berg 1225f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1226f142c6b9SJohannes Berg 12274b6f1dd6SJohannes Berg /* virtual monitor interface */ 12284b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 12294bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1230f0706e82SJiri Benc }; 1231f0706e82SJiri Benc 12323e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 12333e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 12343e122be0SJohannes Berg { 12353e122be0SJohannes Berg return netdev_priv(dev); 12363e122be0SJohannes Berg } 12373e122be0SJohannes Berg 123871bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 123971bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 124071bbc994SJohannes Berg { 124171bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 124271bbc994SJohannes Berg } 124371bbc994SJohannes Berg 1244c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1245eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1246eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1247eadc8d9eSRon Rindjunsky u16 tid; 1248eadc8d9eSRon Rindjunsky }; 1249eadc8d9eSRon Rindjunsky 1250c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1251c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1252c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1253c0f17eb9SChun-Yeow Yeoh u8 mode; 1254c0f17eb9SChun-Yeow Yeoh u8 count; 1255c0f17eb9SChun-Yeow Yeoh u8 ttl; 12563f718fd8SChun-Yeow Yeoh u16 pre_value; 1257c0f17eb9SChun-Yeow Yeoh }; 1258c0f17eb9SChun-Yeow Yeoh 1259dd76986bSJohannes Berg /* Parsed Information Elements */ 1260dd76986bSJohannes Berg struct ieee802_11_elems { 12614a3cb702SJohannes Berg const u8 *ie_start; 1262dd76986bSJohannes Berg size_t total_len; 1263dd76986bSJohannes Berg 1264dd76986bSJohannes Berg /* pointers to IEs */ 12654a3cb702SJohannes Berg const u8 *ssid; 12664a3cb702SJohannes Berg const u8 *supp_rates; 12674a3cb702SJohannes Berg const u8 *ds_params; 12684a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 12694a3cb702SJohannes Berg const u8 *challenge; 12704a3cb702SJohannes Berg const u8 *rsn; 12714a3cb702SJohannes Berg const u8 *erp_info; 12724a3cb702SJohannes Berg const u8 *ext_supp_rates; 12734a3cb702SJohannes Berg const u8 *wmm_info; 12744a3cb702SJohannes Berg const u8 *wmm_param; 12754a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 12764a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 12774a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 12784a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 12794a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 12804a3cb702SJohannes Berg const u8 *mesh_id; 12814a3cb702SJohannes Berg const u8 *peering; 12824a3cb702SJohannes Berg const __le16 *awake_window; 12834a3cb702SJohannes Berg const u8 *preq; 12844a3cb702SJohannes Berg const u8 *prep; 12854a3cb702SJohannes Berg const u8 *perr; 12864a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 12874a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1288b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1289b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 12904a3cb702SJohannes Berg const u8 *country_elem; 12914a3cb702SJohannes Berg const u8 *pwr_constr_elem; 129279ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 12934a3cb702SJohannes Berg const u8 *opmode_notif; 129485220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 12958f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1296dd76986bSJohannes Berg 1297dd76986bSJohannes Berg /* length of them, respectively */ 1298dd76986bSJohannes Berg u8 ssid_len; 1299dd76986bSJohannes Berg u8 supp_rates_len; 1300dd76986bSJohannes Berg u8 tim_len; 1301dd76986bSJohannes Berg u8 challenge_len; 1302dd76986bSJohannes Berg u8 rsn_len; 1303dd76986bSJohannes Berg u8 ext_supp_rates_len; 1304dd76986bSJohannes Berg u8 wmm_info_len; 1305dd76986bSJohannes Berg u8 wmm_param_len; 1306dd76986bSJohannes Berg u8 mesh_id_len; 1307dd76986bSJohannes Berg u8 peering_len; 1308dd76986bSJohannes Berg u8 preq_len; 1309dd76986bSJohannes Berg u8 prep_len; 1310dd76986bSJohannes Berg u8 perr_len; 1311dd76986bSJohannes Berg u8 country_elem_len; 1312fcff4f10SPaul Stewart 1313fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1314fcff4f10SPaul Stewart bool parse_error; 1315dd76986bSJohannes Berg }; 1316dd76986bSJohannes Berg 1317f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1318f0706e82SJiri Benc struct ieee80211_hw *hw) 1319f0706e82SJiri Benc { 1320f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1321f0706e82SJiri Benc } 1322f0706e82SJiri Benc 1323f0706e82SJiri Benc 1324571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1325571ecf67SJohannes Berg { 1326b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1327571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1328571ecf67SJohannes Berg } 1329571ecf67SJohannes Berg 1330f4bda337SThomas Pedersen static inline bool 1331f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1332f4bda337SThomas Pedersen { 1333f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1334f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1335f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1336f4bda337SThomas Pedersen } 1337571ecf67SJohannes Berg 1338f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1339f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1340f4bda337SThomas Pedersen unsigned int mpdu_len, 1341f4bda337SThomas Pedersen unsigned int mpdu_offset); 1342e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 13435cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 13449c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 13459c6bd790SJohannes Berg u32 changed); 13460d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 134746900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1348f0706e82SJiri Benc 134946900298SJohannes Berg /* STA code */ 13509c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 135177fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 135277fdaa12SJohannes Berg struct cfg80211_auth_request *req); 135377fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 135477fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 135577fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 135663c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 135777fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 135863c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1359572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1360572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 136110f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1362ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 136310f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 136410f644a4SJohannes Berg unsigned long data, void *dummy); 13652b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 13661fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 13671fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13681fa57d01SJohannes Berg struct sk_buff *skb); 1369d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1370be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1371afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 13721672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 13731672c0e3SJohannes Berg __le16 fc, bool acked); 1374b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 13759c6bd790SJohannes Berg 137646900298SJohannes Berg /* IBSS code */ 137746900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 137846900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 13798bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 13808bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1381af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1382af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1383af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 13841fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 13851fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13861fa57d01SJohannes Berg struct sk_buff *skb); 1387cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1388cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1389cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1390cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 13911fa57d01SJohannes Berg 13921fa57d01SJohannes Berg /* mesh code */ 13931fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 13941fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13951fa57d01SJohannes Berg struct sk_buff *skb); 1396b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 1397b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings, 1398b8456a14SChun-Yeow Yeoh bool csa_action); 1399b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 140046900298SJohannes Berg 14019c6bd790SJohannes Berg /* scan/BSS handling */ 140246900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 140334bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1404be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 14057ca15a0aSSimon Wunderlich struct ieee80211_channel *chan, 14067ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1407c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 14082a519311SJohannes Berg struct cfg80211_scan_request *req); 14095bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1410133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1411d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 14129c6bd790SJohannes Berg 14130a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1414c2b13452SJohannes Berg struct ieee80211_bss * 141598c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 141698c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 141798c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 141898c8fccfSJohannes Berg size_t len, 141998c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1420d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 142198c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1422c2b13452SJohannes Berg struct ieee80211_bss *bss); 1423ee385855SLuis Carlos Cobo 142479f460caSLuciano Coelho /* scheduled scan handling */ 1425d43c6b6eSDavid Spinadel int 1426d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1427d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 142879f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 142979f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 143085a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 143185a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 143279f460caSLuciano Coelho 1433b203ffc3SJouni Malinen /* off-channel helpers */ 1434aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1435aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 14362eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 14372eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1438c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1439c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 14403fbd45caSJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); 14412eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 14422eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1443b203ffc3SJouni Malinen 144473da7d5bSSimon Wunderlich /* channel switch handling */ 144573da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 144673da7d5bSSimon Wunderlich 14473e122be0SJohannes Berg /* interface handling */ 144847846c9bSJohannes Berg int ieee80211_iface_init(void); 144947846c9bSJohannes Berg void ieee80211_iface_exit(void); 14503e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 145184efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1452ee385855SLuis Carlos Cobo struct vif_params *params); 1453f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 145405c914feSJohannes Berg enum nl80211_iftype type); 1455f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 145675636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1457382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 14585cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 145985416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 146085416a4fSChristian Lamparter const int offset); 1461f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1462f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 14633c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 14643c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1465f0706e82SJiri Benc 14661ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 14671ea6f9c0SJohannes Berg void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 14681ea6f9c0SJohannes Berg 14699607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 14709607e6b6SJohannes Berg { 147134d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 14729607e6b6SJohannes Berg } 14739607e6b6SJohannes Berg 1474e2ebc74dSJohannes Berg /* tx handling */ 1475e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1476e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1477d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1478d0cf9c0dSStephen Hemminger struct net_device *dev); 1479d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1480d0cf9c0dSStephen Hemminger struct net_device *dev); 14811f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 14821f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 1483e2ebc74dSJohannes Berg 1484de1ede7aSJohannes Berg /* HT */ 1485ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1486ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1487e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1488ef96a842SBen Greear struct ieee80211_supported_band *sband, 14894a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1490e1a0c6b3SJohannes Berg struct sta_info *sta); 1491b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1492b8695a8fSJohannes Berg const u8 *da, u16 tid, 1493b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 14940f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 14950f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 14960f78231bSJohannes Berg const u8 *bssid); 1497687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1498687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1499687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1500687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1501de1ede7aSJohannes Berg 15027c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 150353f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1504849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 150553f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1506c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1507c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1508de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1509de1ede7aSJohannes Berg struct sta_info *sta, 1510de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1511de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1512de1ede7aSJohannes Berg struct sta_info *sta, 1513de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1514de1ede7aSJohannes Berg size_t len); 1515de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1516de1ede7aSJohannes Berg struct sta_info *sta, 1517de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1518de1ede7aSJohannes Berg size_t len); 1519de1ede7aSJohannes Berg 1520849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1521c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 152267c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1523c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 15245d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 15255d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 152667c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 152767c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 15282bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1529849b7967SJohannes Berg 153004ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 153104ecd257SJohannes Berg 1532818255eaSMahesh Palivela /* VHT */ 15334a3cb702SJohannes Berg void 15344a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1535818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 15364a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 15374a34215eSJohannes Berg struct sta_info *sta); 1538e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 15398921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 15400af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 15410af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1542bee7f586SJohannes Berg enum ieee80211_band band, bool nss_only); 1543dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1544dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 15454a34215eSJohannes Berg 154639192c0bSJohannes Berg /* Spectrum management */ 154739192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 154839192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 154939192c0bSJohannes Berg size_t len); 1550e6b7cde4SSimon Wunderlich /** 1551e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1552e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1553e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1554e6b7cde4SSimon Wunderlich * @beacon: indicates if the frame was a beacon or probe response 1555e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1556e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1557e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1558e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1559e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1560e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1561e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1562e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1563c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1564c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1565e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1566e6b7cde4SSimon Wunderlich */ 1567e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 1568e6b7cde4SSimon Wunderlich struct ieee802_11_elems *elems, bool beacon, 1569e6b7cde4SSimon Wunderlich enum ieee80211_band current_band, 1570c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1571c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 157239192c0bSJohannes Berg 1573f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1574f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 157584f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1576f2753ddbSJohannes Berg 1577eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1578eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1579f2753ddbSJohannes Berg 1580f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1581f2753ddbSJohannes Berg { 158285f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 158385f72bc8SJohn W. Linville 158485f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 158585f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 158685f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 158785f72bc8SJohn W. Linville 1588f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1589f2753ddbSJohannes Berg } 1590665af4fcSBob Copeland 1591c2d1560aSJohannes Berg /* utility functions/constants */ 1592c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 159371364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 159405c914feSJohannes Berg enum nl80211_iftype type); 15954ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1596438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1597438b61b7SSimon Wunderlich int shift); 1598f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1599e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1600e6d6e342SJohannes Berg gfp_t gfp); 16013abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 16023abead59SJohannes Berg bool bss_notify); 160355de908aSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, 160455de908aSJohannes Berg enum ieee80211_band band); 1605cf6bb79aSHelmut Schaa 160655de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 160755de908aSJohannes Berg struct sk_buff *skb, int tid, 160855de908aSJohannes Berg enum ieee80211_band band); 160955de908aSJohannes Berg 161055de908aSJohannes Berg static inline void 161155de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 161255de908aSJohannes Berg struct sk_buff *skb, int tid, 161355de908aSJohannes Berg enum ieee80211_band band) 161455de908aSJohannes Berg { 161555de908aSJohannes Berg rcu_read_lock(); 161655de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 161755de908aSJohannes Berg rcu_read_unlock(); 161855de908aSJohannes Berg } 161955de908aSJohannes Berg 162055de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 162155de908aSJohannes Berg struct sk_buff *skb, int tid) 162255de908aSJohannes Berg { 162355de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 162455de908aSJohannes Berg 162555de908aSJohannes Berg rcu_read_lock(); 162655de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 162755de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 162855de908aSJohannes Berg rcu_read_unlock(); 162955de908aSJohannes Berg kfree_skb(skb); 163055de908aSJohannes Berg return; 163155de908aSJohannes Berg } 163255de908aSJohannes Berg 163355de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 16344bf88530SJohannes Berg chanctx_conf->def.chan->band); 163555de908aSJohannes Berg rcu_read_unlock(); 163655de908aSJohannes Berg } 163755de908aSJohannes Berg 163855de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1639cf6bb79aSHelmut Schaa struct sk_buff *skb) 1640cf6bb79aSHelmut Schaa { 1641cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1642cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1643cf6bb79aSHelmut Schaa } 1644cf6bb79aSHelmut Schaa 164535d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1646d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1647d91f36dbSJohannes Berg u64 filter, u32 crc); 164835d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 164935d865afSJohannes Berg bool action, 1650ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1651ddc4db2eSJohannes Berg { 1652b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1653ddc4db2eSJohannes Berg } 1654ddc4db2eSJohannes Berg 1655520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1656520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1657520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1658a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1659a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1660a97b77b9SVivek Natarajan int powersave); 16613cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 16623cf335d5SKalle Valo struct ieee80211_hdr *hdr); 16634e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 166404ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 1665520eb820SKalle Valo 1666ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1667445ea4e8SJohannes Berg unsigned long queues, 1668ce7c9111SKalle Valo enum queue_stop_reason reason); 1669ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1670445ea4e8SJohannes Berg unsigned long queues, 1671ce7c9111SKalle Valo enum queue_stop_reason reason); 167296f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 167396f5e66eSJohannes Berg enum queue_stop_reason reason); 167496f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 167596f5e66eSJohannes Berg enum queue_stop_reason reason); 16763a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 16778f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 16788f77f384SJohannes Berg struct sk_buff *skb); 1679b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 168050a9432dSJohannes Berg struct sk_buff_head *skbs, 168150a9432dSJohannes Berg void (*fn)(void *data), void *data); 168278307daaSJohannes Berg static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, 168378307daaSJohannes Berg struct sk_buff_head *skbs) 168478307daaSJohannes Berg { 168578307daaSJohannes Berg ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); 168678307daaSJohannes Berg } 168739ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 168839ecc01dSJohannes Berg struct ieee80211_sub_if_data *sdata); 1689ce7c9111SKalle Valo 169046900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1691700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 16924a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 16931672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 16941672c0e3SJohannes Berg u32 tx_flags); 16956ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 16966ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 16976ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1698de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1699c604b9f2SJohannes Berg size_t buffer_len, const u8 *ie, size_t ie_len, 1700651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 17012103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 1702a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 170385a237feSJohannes Berg u8 *dst, u32 ratemask, 17046b77863bSJohannes Berg struct ieee80211_channel *chan, 1705a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1706a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1707a806c558SPaul Stewart bool directed); 170846900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1709de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1710a806c558SPaul Stewart const u8 *ie, size_t ie_len, 17111672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 171255de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 171346900298SJohannes Berg 17142103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 171546900298SJohannes Berg struct ieee802_11_elems *elems, 17169ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 1717687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 1718687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 1719687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 17200f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 172104ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 172221f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 172346900298SJohannes Berg 17248e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 17258e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 17268e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1727ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 172842e7aa77SAlexander Simon u16 cap); 1729074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 17304bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1731431e3154SAshok Nagarajan u16 prot_mode); 1732ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1733ba0afa2fSMahesh Palivela u32 cap); 17342103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 17352103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 17362103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 1737fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 17386b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 17396b77863bSJohannes Berg enum ieee80211_band band); 1740fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 17416b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 17426b77863bSJohannes Berg enum ieee80211_band band); 17438e664fb3SJohannes Berg 1744f444de05SJohannes Berg /* channel management */ 17454bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 17464a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_oper, 17474bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1748e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 1749f444de05SJohannes Berg 1750d01a1e65SMichal Kazior int __must_check 1751d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 17524bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1753d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 17542c9b7359SJohannes Berg int __must_check 17552c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 17562c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 17572c9b7359SJohannes Berg u32 *changed); 175873da7d5bSSimon Wunderlich /* NOTE: only use ieee80211_vif_change_channel() for channel switch */ 175973da7d5bSSimon Wunderlich int __must_check 176073da7d5bSSimon Wunderlich ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata, 176173da7d5bSSimon Wunderlich u32 *changed); 1762d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 17634d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 17641f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 17651f4ac5a6SJohannes Berg bool clear); 1766d01a1e65SMichal Kazior 176704ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 176804ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 1769164eb02dSSimon Wunderlich void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, 1770164eb02dSSimon Wunderlich struct ieee80211_chanctx *chanctx); 177121f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 177221f659bfSEliad Peller struct ieee80211_chanctx *ctx); 1773164eb02dSSimon Wunderlich 1774164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 1775164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 1776164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 1777164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 1778c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 1779c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 178004ecd257SJohannes Berg 17812475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 17822475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 17832475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 17842475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 17852475b1ccSMax Stepanov enum nl80211_iftype iftype); 17862475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 17872475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 17882475b1ccSMax Stepanov enum nl80211_iftype iftype); 17892475b1ccSMax Stepanov 1790f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1791d9e8a70fSJohannes Berg #define debug_noinline noinline 1792d9e8a70fSJohannes Berg #else 1793d9e8a70fSJohannes Berg #define debug_noinline 1794d9e8a70fSJohannes Berg #endif 1795d9e8a70fSJohannes Berg 1796f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1797