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; 23543552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 2368860020eSJohannes Berg struct rcu_head rcu_head; 2375dfdaf58SJohannes Berg }; 2385dfdaf58SJohannes Berg 239aa7a0080SEyal Shapira struct probe_resp { 240aa7a0080SEyal Shapira struct rcu_head rcu_head; 241aa7a0080SEyal Shapira int len; 242aa7a0080SEyal Shapira u8 data[0]; 243aa7a0080SEyal Shapira }; 244aa7a0080SEyal Shapira 245d012a605SMarco Porsch struct ps_data { 246d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 247d012a605SMarco Porsch * bitmap_empty :) 248d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2495fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2505fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 251d012a605SMarco Porsch struct sk_buff_head bc_buf; 252d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 253d012a605SMarco Porsch int dtim_count; 254d012a605SMarco Porsch bool dtim_bc_mc; 255d012a605SMarco Porsch }; 256d012a605SMarco Porsch 257f0706e82SJiri Benc struct ieee80211_if_ap { 25840b275b6SJohannes Berg struct beacon_data __rcu *beacon; 259aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 260f0706e82SJiri Benc 26173da7d5bSSimon Wunderlich /* to be used after channel switch. */ 26273da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2634e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2640ec3ca44SJohannes Berg 265d012a605SMarco Porsch struct ps_data ps; 266030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 267687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 268687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 269687da132SEmmanuel Grumbach 270687da132SEmmanuel Grumbach struct work_struct request_smps_work; 271f0706e82SJiri Benc }; 272f0706e82SJiri Benc 273f0706e82SJiri Benc struct ieee80211_if_wds { 274f0706e82SJiri Benc struct sta_info *sta; 275056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 276f0706e82SJiri Benc }; 277f0706e82SJiri Benc 278f0706e82SJiri Benc struct ieee80211_if_vlan { 2794e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 280f14543eeSFelix Fietkau 281f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 28240b275b6SJohannes Berg struct sta_info __rcu *sta; 283f0706e82SJiri Benc }; 284f0706e82SJiri Benc 285ee385855SLuis Carlos Cobo struct mesh_stats { 286c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 287c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 288c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 289ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 290ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 291cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 292ee385855SLuis Carlos Cobo }; 293ee385855SLuis Carlos Cobo 294ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 295ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 296ee385855SLuis Carlos Cobo struct mesh_preq_queue { 297ee385855SLuis Carlos Cobo struct list_head list; 298ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 299ee385855SLuis Carlos Cobo u8 flags; 300ee385855SLuis Carlos Cobo }; 301ee385855SLuis Carlos Cobo 3022eb278e0SJohannes Berg #if HZ/100 == 0 3032eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT 1 3042eb278e0SJohannes Berg #else 3052eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT (HZ/100) 3062eb278e0SJohannes Berg #endif 30777fdaa12SJohannes Berg 3082eb278e0SJohannes Berg struct ieee80211_roc_work { 30977fdaa12SJohannes Berg struct list_head list; 3102eb278e0SJohannes Berg struct list_head dependents; 311f679f65dSJohannes Berg 3122eb278e0SJohannes Berg struct delayed_work work; 313af6b6374SJohannes Berg 314af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 315af6b6374SJohannes Berg 316f679f65dSJohannes Berg struct ieee80211_channel *chan; 317af6b6374SJohannes Berg 3182eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 3193fbd45caSJohannes Berg bool to_be_freed; 320f679f65dSJohannes Berg 3212eb278e0SJohannes Berg unsigned long hw_start_time; 322e4da8c37SJohannes Berg 3232eb278e0SJohannes Berg u32 duration, req_duration; 324f30221e4SJohannes Berg struct sk_buff *frame; 32550febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 326d339d5caSIlan Peer enum ieee80211_roc_type type; 32777fdaa12SJohannes Berg }; 32877fdaa12SJohannes Berg 32946900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 330ab1faeadSJohannes Berg enum ieee80211_sta_flags { 331b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 332b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 333a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 334b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 335b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 336ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 337375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 33817e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 33924398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 340d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 341f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 342f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 343095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 344ab1faeadSJohannes Berg }; 345ab1faeadSJohannes Berg 34666e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 34766e67e41SJohannes Berg struct cfg80211_bss *bss; 34866e67e41SJohannes Berg unsigned long timeout; 34966e67e41SJohannes Berg int tries; 35066e67e41SJohannes Berg u16 algorithm, expected_transaction; 35166e67e41SJohannes Berg 35266e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 35366e67e41SJohannes Berg u8 key_len, key_idx; 35466e67e41SJohannes Berg bool done; 35589afe614SJohannes Berg bool timeout_started; 35666e67e41SJohannes Berg 3576b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3586b8ece3aSJouni Malinen size_t data_len; 3596b8ece3aSJouni Malinen u8 data[]; 36066e67e41SJohannes Berg }; 36166e67e41SJohannes Berg 36266e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 36366e67e41SJohannes Berg struct cfg80211_bss *bss; 36466e67e41SJohannes Berg const u8 *supp_rates; 36566e67e41SJohannes Berg 36666e67e41SJohannes Berg unsigned long timeout; 36766e67e41SJohannes Berg int tries; 36866e67e41SJohannes Berg 36966e67e41SJohannes Berg u16 capability; 37066e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 37166e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 37266e67e41SJohannes Berg u8 ssid_len; 37366e67e41SJohannes Berg u8 supp_rates_len; 37476f0303dSJohannes Berg bool wmm, uapsd; 375989c6505SAlexander Bondar bool need_beacon; 37666e67e41SJohannes Berg bool synced; 37789afe614SJohannes Berg bool timeout_started; 37866e67e41SJohannes Berg 3799dde6423SJohannes Berg u8 ap_ht_param; 3809dde6423SJohannes Berg 381b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 382b08fbbd8SJohannes Berg 38366e67e41SJohannes Berg size_t ie_len; 38466e67e41SJohannes Berg u8 ie[]; 38566e67e41SJohannes Berg }; 38666e67e41SJohannes Berg 38746900298SJohannes Berg struct ieee80211_if_managed { 388056cdd59SJohannes Berg struct timer_list timer; 389b291ba11SJohannes Berg struct timer_list conn_mon_timer; 390b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 391c481ec97SSujith struct timer_list chswitch_timer; 392b291ba11SJohannes Berg struct work_struct monitor_work; 393c481ec97SSujith struct work_struct chswitch_work; 3941e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 395882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 39646900298SJohannes Berg 3977ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 398b291ba11SJohannes Berg unsigned long probe_timeout; 399a43abf29SMaxim Levitsky int probe_send_count; 40004ac3c0eSFelix Fietkau bool nullfunc_failed; 401682bd38bSJohannes Berg bool connection_loss; 402b291ba11SJohannes Berg 4030c1ad2caSJohannes Berg struct cfg80211_bss *associated; 40466e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 40566e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 40646900298SJohannes Berg 40777fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 40846900298SJohannes Berg 409f0706e82SJiri Benc u16 aid; 410f0706e82SJiri Benc 411965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 41205cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 413989c6505SAlexander Bondar bool have_beacon; 414826262c3SJohannes Berg u8 dtim_period; 4150f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 416d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 417d1f5b7a3SJohannes Berg 418d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 419965bedadSJohannes Berg 420d6f2da5bSJiri Slaby unsigned int flags; 421f0706e82SJiri Benc 422d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 423d91f36dbSJohannes Berg u32 beacon_crc; 424d91f36dbSJohannes Berg 4251672c0e3SJohannes Berg bool status_acked; 4261672c0e3SJohannes Berg bool status_received; 4271672c0e3SJohannes Berg __le16 status_fc; 4281672c0e3SJohannes Berg 429fdfacf0aSJouni Malinen enum { 430fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 431fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 432fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 433fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 434fdfacf0aSJouni Malinen 435dc41e4d4SEliad Peller /* 436dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 437dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 438dc41e4d4SEliad Peller * to take effect. 439dc41e4d4SEliad Peller */ 440dc41e4d4SEliad Peller unsigned int uapsd_queues; 441dc41e4d4SEliad Peller 442dc41e4d4SEliad Peller /* 443dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 444dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 445dc41e4d4SEliad Peller * Needs a new association to take effect. 446dc41e4d4SEliad Peller */ 447dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 448dc41e4d4SEliad Peller 449f0706e82SJiri Benc int wmm_last_param_set; 4509bc383deSJohannes Berg 4519bc383deSJohannes Berg u8 use_4addr; 45217e4ec14SJouni Malinen 45367baf663SJanusz Dziedzic s16 p2p_noa_index; 454488dd7b5SJohannes Berg 45517e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 45617e4ec14SJouni Malinen int last_beacon_signal; 45717e4ec14SJouni Malinen 45817e4ec14SJouni Malinen /* 45917e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 46017e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 46117e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 46217e4ec14SJouni Malinen * divided by 16 to get the actual value. 46317e4ec14SJouni Malinen */ 46417e4ec14SJouni Malinen int ave_beacon_signal; 46517e4ec14SJouni Malinen 46617e4ec14SJouni Malinen /* 467391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 468391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 469391a200aSJouni Malinen * only on couple of received frames. 470391a200aSJouni Malinen */ 471391a200aSJouni Malinen unsigned int count_beacon_signal; 472391a200aSJouni Malinen 473391a200aSJouni Malinen /* 47417e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 47517e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 47617e4ec14SJouni Malinen * generated for the current association. 47717e4ec14SJouni Malinen */ 47817e4ec14SJouni Malinen int last_cqm_event_signal; 479615f7b9bSMeenakshi Venkataraman 480615f7b9bSMeenakshi Venkataraman /* 481615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 482615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 483615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 484615f7b9bSMeenakshi Venkataraman */ 485615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 486615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 487ef96a842SBen Greear 488ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 489ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 490dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 491dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 492f0706e82SJiri Benc }; 493f0706e82SJiri Benc 49446900298SJohannes Berg struct ieee80211_if_ibss { 49546900298SJohannes Berg struct timer_list timer; 496cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 49746900298SJohannes Berg 498af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4995bb644a0SJohannes Berg 500fbd2c8dcSTeemu Paasikivi u32 basic_rates; 501fbd2c8dcSTeemu Paasikivi 502af8cdcd8SJohannes Berg bool fixed_bssid; 503af8cdcd8SJohannes Berg bool fixed_channel; 504fffd0934SJohannes Berg bool privacy; 50546900298SJohannes Berg 506267335d6SAntonio Quartulli bool control_port; 5078e8d347dSSimon Wunderlich bool userspace_handles_dfs; 508267335d6SAntonio Quartulli 5094d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 510af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 511af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 512af8cdcd8SJohannes Berg u8 *ie; 5133aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 51446900298SJohannes Berg 51546900298SJohannes Berg unsigned long ibss_join_req; 516af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 517c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 51846900298SJohannes Berg 519822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 520822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 521822854b0SSimon Wunderlich 5228bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5238bf11d8dSJohannes Berg struct list_head incomplete_stations; 5248bf11d8dSJohannes Berg 52546900298SJohannes Berg enum { 52646900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 52746900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 52846900298SJohannes Berg } state; 52946900298SJohannes Berg }; 53046900298SJohannes Berg 531dbf498fbSJavier Cardona /** 532dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 533dbf498fbSJavier Cardona * 534dbf498fbSJavier Cardona * these declarations define the interface, which enables 535dbf498fbSJavier Cardona * vendor-specific mesh synchronization 536dbf498fbSJavier Cardona * 537dbf498fbSJavier Cardona */ 538dbf498fbSJavier Cardona struct ieee802_11_elems; 539dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 540dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 541dbf498fbSJavier Cardona u16 stype, 542dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 543dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 544dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 54543552be1SThomas Pedersen 54643552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 54743552be1SThomas Pedersen void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata, 54843552be1SThomas Pedersen struct beacon_data *beacon); 549dbf498fbSJavier Cardona /* add other framework functions here */ 550dbf498fbSJavier Cardona }; 551dbf498fbSJavier Cardona 552b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 553b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 554b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 555b8456a14SChun-Yeow Yeoh }; 556b8456a14SChun-Yeow Yeoh 557472dbc45SJohannes Berg struct ieee80211_if_mesh { 558472dbc45SJohannes Berg struct timer_list housekeeping_timer; 559472dbc45SJohannes Berg struct timer_list mesh_path_timer; 560e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 561472dbc45SJohannes Berg 56218889231SJavier Cardona unsigned long wrkq_flags; 563f81a9dedSThomas Pedersen unsigned long mbss_changed; 564472dbc45SJohannes Berg 565472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 566472dbc45SJohannes Berg size_t mesh_id_len; 567472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5683491707aSRui Paulo u8 mesh_pp_id; 569472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5703491707aSRui Paulo u8 mesh_pm_id; 571472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5723491707aSRui Paulo u8 mesh_cc_id; 5739e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5743491707aSRui Paulo u8 mesh_sp_id; 5759e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5763491707aSRui Paulo u8 mesh_auth_id; 577d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 578d19b3bf6SRui Paulo u32 sn; 579472dbc45SJohannes Berg /* Last used PREQ ID */ 580472dbc45SJohannes Berg u32 preq_id; 581472dbc45SJohannes Berg atomic_t mpaths; 582d19b3bf6SRui Paulo /* Timestamp of last SN update */ 583d19b3bf6SRui Paulo unsigned long last_sn_update; 584dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 585dca7e943SThomas Pedersen unsigned long next_perr; 586dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 587472dbc45SJohannes Berg unsigned long last_preq; 588472dbc45SJohannes Berg struct mesh_rmc *rmc; 589472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 590472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 591472dbc45SJohannes Berg int preq_queue_len; 592472dbc45SJohannes Berg struct mesh_stats mshstats; 593472dbc45SJohannes Berg struct mesh_config mshcfg; 5941258d976SAshok Nagarajan atomic_t estab_plinks; 595472dbc45SJohannes Berg u32 mesh_seqnum; 596472dbc45SJohannes Berg bool accepting_plinks; 5975ee68e5bSJavier Cardona int num_gates; 5982b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 599581a8b0fSJavier Cardona const u8 *ie; 600581a8b0fSJavier Cardona u8 ie_len; 601b130e5ceSJavier Cardona enum { 602b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 603b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 604b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 605b130e5ceSJavier Cardona } security; 606a6dad6a2SThomas Pedersen bool user_mpm; 607dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6088ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 609dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 610dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 611dbf498fbSJavier Cardona bool adjusting_tbtt; 6123f52b7e3SMarco Porsch /* mesh power save */ 6133f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6143f52b7e3SMarco Porsch int ps_peers_light_sleep; 6153f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6163f52b7e3SMarco Porsch struct ps_data ps; 6178f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 618b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6190cb4d4dcSLuciano Coelho enum { 6200cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 6210cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 6220cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 6230cb4d4dcSLuciano Coelho } csa_role; 624b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 6258f2535b9SChun-Yeow Yeoh u16 pre_value; 62643552be1SThomas Pedersen 62743552be1SThomas Pedersen /* offset from skb->data while building IE */ 62843552be1SThomas Pedersen int meshconf_offset; 629472dbc45SJohannes Berg }; 630902acc78SJohannes Berg 631902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 632472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 633472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 634902acc78SJohannes Berg #else 635472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 636902acc78SJohannes Berg do { } while (0) 637902acc78SJohannes Berg #endif 638f0706e82SJiri Benc 639213cd118SJohannes Berg /** 640213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 641213cd118SJohannes Berg * 642213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 643213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 644213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 645213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 646213cd118SJohannes Berg * associated stations and deliver multicast frames both 647213cd118SJohannes Berg * back to wireless media and to the local net stack. 64895acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6497b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 650213cd118SJohannes Berg */ 651213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 652213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 653213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6547986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6557986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 65695acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6577b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 658213cd118SJohannes Berg }; 659213cd118SJohannes Berg 66034d4bc4dSJohannes Berg /** 66134d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 66234d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 66334d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 66434d4bc4dSJohannes Berg * change handling while the interface is up 6655b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6665b714c6aSJohannes Berg * mode, so queues are stopped 667d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 668d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 66934d4bc4dSJohannes Berg */ 67034d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 67134d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6725b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 673d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 67434d4bc4dSJohannes Berg }; 67534d4bc4dSJohannes Berg 676d01a1e65SMichal Kazior /** 677d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 678d01a1e65SMichal Kazior * 679d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 680d01a1e65SMichal Kazior * multiple interfaces 681d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 682d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 683d01a1e65SMichal Kazior * non-fixed channel IBSS. 684d01a1e65SMichal Kazior */ 685d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 686d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 687d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 688d01a1e65SMichal Kazior }; 689d01a1e65SMichal Kazior 690d01a1e65SMichal Kazior struct ieee80211_chanctx { 691d01a1e65SMichal Kazior struct list_head list; 692d01a1e65SMichal Kazior struct rcu_head rcu_head; 693d01a1e65SMichal Kazior 694d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 695d01a1e65SMichal Kazior int refcount; 6968a61af65SJohannes Berg bool driver_present; 697d01a1e65SMichal Kazior 698d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 699d01a1e65SMichal Kazior }; 700d01a1e65SMichal Kazior 70132db6b54SKyeyoon Park struct mac80211_qos_map { 70232db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 70332db6b54SKyeyoon Park struct rcu_head rcu_head; 70432db6b54SKyeyoon Park }; 70532db6b54SKyeyoon Park 706f0706e82SJiri Benc struct ieee80211_sub_if_data { 707f0706e82SJiri Benc struct list_head list; 708f0706e82SJiri Benc 709f0706e82SJiri Benc struct wireless_dev wdev; 710f0706e82SJiri Benc 71111a843b7SJohannes Berg /* keys */ 71211a843b7SJohannes Berg struct list_head key_list; 71311a843b7SJohannes Berg 7143bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 7153bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 7168d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 7178d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 7183bff1865SYogesh Ashok Powar 719f0706e82SJiri Benc struct net_device *dev; 720f0706e82SJiri Benc struct ieee80211_local *local; 721f0706e82SJiri Benc 72213262ffdSJiri Slaby unsigned int flags; 7237e9ed188SDaniel Drake 72434d4bc4dSJohannes Berg unsigned long state; 72534d4bc4dSJohannes Berg 726f0706e82SJiri Benc int drop_unencrypted; 727f0706e82SJiri Benc 72847846c9bSJohannes Berg char name[IFNAMSIZ]; 72947846c9bSJohannes Berg 730f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 731f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 732f0706e82SJiri Benc unsigned int fragment_next; 733f0706e82SJiri Benc 734b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 735b53be792SSimon Wunderlich u16 noack_map; 736b53be792SSimon Wunderlich 73700e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 73800e96decSYoni Divinsky u8 wmm_acm; 73900e96decSYoni Divinsky 74040b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 74140b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 74240b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 74340b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 744f0706e82SJiri Benc 74594778280SJohannes Berg u16 sequence_number; 746a621fa4dSJohannes Berg __be16 control_port_protocol; 747a621fa4dSJohannes Berg bool control_port_no_encrypt; 7482475b1ccSMax Stepanov int encrypt_headroom; 74994778280SJohannes Berg 75054bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 75132db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 752f6f3def3SEliad Peller 75373da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 75473da7d5bSSimon Wunderlich int csa_counter_offset_beacon; 75573da7d5bSSimon Wunderlich int csa_counter_offset_presp; 75673da7d5bSSimon Wunderlich bool csa_radar_required; 75733787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 75873da7d5bSSimon Wunderlich 75904ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 76004ecd257SJohannes Berg struct work_struct recalc_smps; 76104ecd257SJohannes Berg 76264592c8fSJohannes Berg struct work_struct work; 76335f20c14SJohannes Berg struct sk_buff_head skb_queue; 76435f20c14SJohannes Berg 76504ecd257SJohannes Berg u8 needed_rx_chains; 76604ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 76704ecd257SJohannes Berg 7681ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 7691ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 7701ea6f9c0SJohannes Berg 771164eb02dSSimon Wunderlich bool radar_required; 772164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 773164eb02dSSimon Wunderlich 7743e122be0SJohannes Berg /* 7753e122be0SJohannes Berg * AP this belongs to: self in AP mode and 7763e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 7773e122be0SJohannes Berg * all others (might be needed later in IBSS) 7783e122be0SJohannes Berg */ 7793e122be0SJohannes Berg struct ieee80211_if_ap *bss; 7803e122be0SJohannes Berg 78137eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 78237eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 7832ffbe6d3SFelix Fietkau 7842ffbe6d3SFelix Fietkau bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; 78519468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 786f0706e82SJiri Benc 787f0706e82SJiri Benc union { 788f0706e82SJiri Benc struct ieee80211_if_ap ap; 789f0706e82SJiri Benc struct ieee80211_if_wds wds; 790f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 79146900298SJohannes Berg struct ieee80211_if_managed mgd; 79246900298SJohannes Berg struct ieee80211_if_ibss ibss; 793472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 7948cc9a739SMichael Wu u32 mntr_flags; 795f0706e82SJiri Benc } u; 796e9f207f0SJiri Benc 797e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 798e9f207f0SJiri Benc struct { 799295bafb4SBen Greear struct dentry *subdir_stations; 800f7e0104cSJohannes Berg struct dentry *default_unicast_key; 801f7e0104cSJohannes Berg struct dentry *default_multicast_key; 8023cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 8037bcfaf2fSJohannes Berg } debugfs; 804e9f207f0SJiri Benc #endif 805529ba6e9SJohannes Berg 80632bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 80732bfd35dSJohannes Berg struct ieee80211_vif vif; 808f0706e82SJiri Benc }; 809f0706e82SJiri Benc 81032bfd35dSJohannes Berg static inline 81132bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 81232bfd35dSJohannes Berg { 81332bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 81432bfd35dSJohannes Berg } 81532bfd35dSJohannes Berg 8168d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 8178d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 8188d61ffa5SJohannes Berg { 8198d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 8208d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 8218d61ffa5SJohannes Berg } 8228d61ffa5SJohannes Berg 8238d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 8248d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 8258d61ffa5SJohannes Berg { 8268d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 8278d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 8288d61ffa5SJohannes Berg } 8298d61ffa5SJohannes Berg 8307ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 8317ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 8327ca133bcSSimon Wunderlich 8338d61ffa5SJohannes Berg static inline void 8348d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 8358d61ffa5SJohannes Berg { 8368d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 8378d61ffa5SJohannes Berg } 8388d61ffa5SJohannes Berg 83955de908aSJohannes Berg static inline enum ieee80211_band 84055de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 84155de908aSJohannes Berg { 84255de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 84355de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 84455de908aSJohannes Berg 84555de908aSJohannes Berg rcu_read_lock(); 84655de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 84755de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 8484bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 84955de908aSJohannes Berg rcu_read_unlock(); 85055de908aSJohannes Berg 85155de908aSJohannes Berg return band; 85255de908aSJohannes Berg } 85355de908aSJohannes Berg 854438b61b7SSimon Wunderlich static inline int 855438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 856438b61b7SSimon Wunderlich { 857438b61b7SSimon Wunderlich switch (chandef->width) { 858438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 859438b61b7SSimon Wunderlich return 2; 860438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 861438b61b7SSimon Wunderlich return 1; 862438b61b7SSimon Wunderlich default: 863438b61b7SSimon Wunderlich return 0; 864438b61b7SSimon Wunderlich } 865438b61b7SSimon Wunderlich } 866438b61b7SSimon Wunderlich 867438b61b7SSimon Wunderlich static inline int 868438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 869438b61b7SSimon Wunderlich { 870438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 871438b61b7SSimon Wunderlich int shift = 0; 872438b61b7SSimon Wunderlich 873438b61b7SSimon Wunderlich rcu_read_lock(); 874438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 875438b61b7SSimon Wunderlich if (chanctx_conf) 876438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 877438b61b7SSimon Wunderlich rcu_read_unlock(); 878438b61b7SSimon Wunderlich 879438b61b7SSimon Wunderlich return shift; 880438b61b7SSimon Wunderlich } 881438b61b7SSimon Wunderlich 882c1475ca9SJohannes Berg enum sdata_queue_type { 883c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 884c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 885c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 886c1475ca9SJohannes Berg }; 887c1475ca9SJohannes Berg 888f0706e82SJiri Benc enum { 889f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 890f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 891f0706e82SJiri Benc }; 892f0706e82SJiri Benc 893ce7c9111SKalle Valo enum queue_stop_reason { 894ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 895520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 89696f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 89796f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 89825420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 8998f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 9006c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 901445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 902ce7c9111SKalle Valo }; 903ce7c9111SKalle Valo 90465a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 905e1e54068SJohannes Berg struct tpt_led_trigger { 906e1e54068SJohannes Berg struct led_trigger trig; 907e1e54068SJohannes Berg char name[32]; 908e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 909e1e54068SJohannes Berg unsigned int blink_table_len; 910e1e54068SJohannes Berg struct timer_list timer; 911e1e54068SJohannes Berg unsigned long prev_traffic; 912e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 91367408c8cSJohannes Berg unsigned int active, want; 91467408c8cSJohannes Berg bool running; 915e1e54068SJohannes Berg }; 91665a6538aSLuciano Coelho #endif 917e1e54068SJohannes Berg 918ad38bfc9SMatti Gottlieb /* 919ad38bfc9SMatti Gottlieb * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges 920ad38bfc9SMatti Gottlieb * 921ad38bfc9SMatti Gottlieb * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a 922ad38bfc9SMatti Gottlieb * certain latency range (in Milliseconds). Each station that uses these 923ad38bfc9SMatti Gottlieb * ranges will have bins to count the amount of frames received in that range. 924ad38bfc9SMatti Gottlieb * The user can configure the ranges via debugfs. 925ad38bfc9SMatti Gottlieb * If ranges is NULL then Tx latency statistics bins are disabled for all 926ad38bfc9SMatti Gottlieb * stations. 927ad38bfc9SMatti Gottlieb * 928ad38bfc9SMatti Gottlieb * @n_ranges: number of ranges that are taken in account 929ad38bfc9SMatti Gottlieb * @ranges: the ranges that the user requested or NULL if disabled. 930ad38bfc9SMatti Gottlieb */ 931ad38bfc9SMatti Gottlieb struct ieee80211_tx_latency_bin_ranges { 932ad38bfc9SMatti Gottlieb int n_ranges; 933ad38bfc9SMatti Gottlieb u32 ranges[]; 934ad38bfc9SMatti Gottlieb }; 935ad38bfc9SMatti Gottlieb 936142b9f50SHelmut Schaa /** 937142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 938142b9f50SHelmut Schaa * 939142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 940142b9f50SHelmut Schaa * well be on the operating channel 941142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 942142b9f50SHelmut Schaa * determine if we are on the operating channel or not 9438a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 9448a690674SBen Greear * channel. This should not interrupt normal traffic. 9458789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 9468789d459SJohannes Berg * that the scan completed. 9478789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 9488789d459SJohannes Berg * a scan complete for an aborted scan. 949a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 950a754055aSEmmanuel Grumbach * cancelled. 951142b9f50SHelmut Schaa */ 952fbe9c429SHelmut Schaa enum { 953fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 954142b9f50SHelmut Schaa SCAN_HW_SCANNING, 9558a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 9568789d459SJohannes Berg SCAN_COMPLETED, 9578789d459SJohannes Berg SCAN_ABORTED, 958a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 959142b9f50SHelmut Schaa }; 960142b9f50SHelmut Schaa 961142b9f50SHelmut Schaa /** 962142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 963142b9f50SHelmut Schaa * 964142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 965142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 966142b9f50SHelmut Schaa * operating channel 967142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 968142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 96907ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 97007ef03eeSJohannes Berg * send out data 97107ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 972cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 973142b9f50SHelmut Schaa */ 974142b9f50SHelmut Schaa enum mac80211_scan_state { 975142b9f50SHelmut Schaa SCAN_DECISION, 976142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 977142b9f50SHelmut Schaa SCAN_SEND_PROBE, 97807ef03eeSJohannes Berg SCAN_SUSPEND, 97907ef03eeSJohannes Berg SCAN_RESUME, 980cd2bb512SSam Leffler SCAN_ABORT, 981fbe9c429SHelmut Schaa }; 982fbe9c429SHelmut Schaa 983f0706e82SJiri Benc struct ieee80211_local { 984f0706e82SJiri Benc /* embed the driver visible part. 985f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 986f0706e82SJiri Benc * it first anyway so they become a no-op */ 987f0706e82SJiri Benc struct ieee80211_hw hw; 988f0706e82SJiri Benc 989f0706e82SJiri Benc const struct ieee80211_ops *ops; 990f0706e82SJiri Benc 99142935ecaSLuis R. Rodriguez /* 99242935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 99342935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 99442935ecaSLuis R. Rodriguez */ 99542935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 99642935ecaSLuis R. Rodriguez 997e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 99896f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 999ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 100096f5e66eSJohannes Berg 1001f0706e82SJiri Benc int open_count; 10023d30d949SMichael Wu int monitors, cooked_mntrs; 10038cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 10047be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 10057be5086dSJohannes Berg fif_probe_req; 10067be5086dSJohannes Berg int probe_req_reg; 10074150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 10083b8d81e0SJohannes Berg 10093ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 10103ffc2a90SJohannes Berg 1011fe57d9f5SJohannes Berg bool use_chanctx; 1012fe57d9f5SJohannes Berg 10133b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 10143b8d81e0SJohannes Berg spinlock_t filter_lock; 10153b8d81e0SJohannes Berg 10163ac64beeSJohannes Berg /* used for uploading changed mc list */ 10173ac64beeSJohannes Berg struct work_struct reconfig_filter; 10183ac64beeSJohannes Berg 10193b8d81e0SJohannes Berg /* aggregated multicast list */ 102022bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 10213b8d81e0SJohannes Berg 1022d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 10235bb644a0SJohannes Berg 10245bb644a0SJohannes Berg /* 10255bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 10265bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 10275bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 10285bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 10295bb644a0SJohannes Berg */ 10305bb644a0SJohannes Berg bool suspended; 10315bb644a0SJohannes Berg 10325bb644a0SJohannes Berg /* 1033ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1034ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1035ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1036ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1037ceb99fe0SJohannes Berg */ 1038ceb99fe0SJohannes Berg bool resuming; 1039ceb99fe0SJohannes Berg 1040ceb99fe0SJohannes Berg /* 10415bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 10425bb644a0SJohannes Berg * ease timer cancelling etc. 10435bb644a0SJohannes Berg */ 10445bb644a0SJohannes Berg bool quiescing; 10455bb644a0SJohannes Berg 1046ea77f12fSJohannes Berg /* device is started */ 1047ea77f12fSJohannes Berg bool started; 1048ea77f12fSJohannes Berg 104904800adaSArik Nemtsov /* device is during a HW reconfig */ 105004800adaSArik Nemtsov bool in_reconfig; 105104800adaSArik Nemtsov 1052eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1053eecc4800SJohannes Berg bool wowlan; 1054eecc4800SJohannes Berg 1055164eb02dSSimon Wunderlich /* DFS/radar detection is enabled */ 1056164eb02dSSimon Wunderlich bool radar_detect_enabled; 1057164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1058164eb02dSSimon Wunderlich 105904ecd257SJohannes Berg /* number of RX chains the hardware has */ 106004ecd257SJohannes Berg u8 rx_chains; 106104ecd257SJohannes Berg 1062b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1063f0706e82SJiri Benc 1064f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1065f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1066f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1067f0706e82SJiri Benc * queues increases over the limit. */ 1068f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1069f0706e82SJiri Benc struct tasklet_struct tasklet; 1070f0706e82SJiri Benc struct sk_buff_head skb_queue; 1071f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1072f0706e82SJiri Benc 1073f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 107424a8fdadSChristian Lamparter 1075d0709a65SJohannes Berg /* Station data */ 1076d0709a65SJohannes Berg /* 10774d33960bSJohannes Berg * The mutex only protects the list, hash table and 10784d33960bSJohannes Berg * counter, reads are done with RCU. 1079d0709a65SJohannes Berg */ 108034e89507SJohannes Berg struct mutex sta_mtx; 10814d33960bSJohannes Berg spinlock_t tim_lock; 1082d0709a65SJohannes Berg unsigned long num_sta; 10834d33960bSJohannes Berg struct list_head sta_list; 108440b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 1085f0706e82SJiri Benc struct timer_list sta_cleanup; 1086f5ea9120SJohannes Berg int sta_generation; 1087f0706e82SJiri Benc 1088ad38bfc9SMatti Gottlieb /* 1089ad38bfc9SMatti Gottlieb * Tx latency statistics parameters for all stations. 1090ad38bfc9SMatti Gottlieb * Can enable via debugfs (NULL when disabled). 1091ad38bfc9SMatti Gottlieb */ 1092ad38bfc9SMatti Gottlieb struct ieee80211_tx_latency_bin_ranges __rcu *tx_latency; 1093ad38bfc9SMatti Gottlieb 10942a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1095f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1096f0706e82SJiri Benc 1097a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1098cd8ffc80SJohannes Berg 1099f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 110053918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 1101f0706e82SJiri Benc 1102f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1103f0706e82SJiri Benc 11045f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 11055f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1106f0706e82SJiri Benc u32 wep_iv; 1107f0706e82SJiri Benc 1108c771c9d8SJohannes Berg /* see iface.c */ 110979010420SJohannes Berg struct list_head interfaces; 1110c771c9d8SJohannes Berg struct mutex iflist_mtx; 111179010420SJohannes Berg 1112b16bd15cSJohannes Berg /* 1113ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1114b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1115b16bd15cSJohannes Berg */ 1116ad0e2b5aSJohannes Berg struct mutex key_mtx; 1117b16bd15cSJohannes Berg 1118a1699b75SJohannes Berg /* mutex for scan and work locking */ 1119a1699b75SJohannes Berg struct mutex mtx; 1120b16bd15cSJohannes Berg 1121c2b13452SJohannes Berg /* Scanning and BSS list */ 1122fbe9c429SHelmut Schaa unsigned long scanning; 11232a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 11245ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 11254d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 11267ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 11274d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1128f0706e82SJiri Benc int scan_channel_idx; 1129de95a54bSJohannes Berg int scan_ies_len; 1130c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 11318318d78aSJohannes Berg 113285a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 11335260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 1134d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *sched_scan_req; 113579f460caSLuciano Coelho 1136df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1137977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1138f0706e82SJiri Benc struct delayed_work scan_work; 1139e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 114055de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1141675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1142f0706e82SJiri Benc 1143b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1144b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1145b8bc4b0aSJohannes Berg 1146d01a1e65SMichal Kazior /* channel contexts */ 1147d01a1e65SMichal Kazior struct list_head chanctx_list; 1148d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1149d01a1e65SMichal Kazior 1150f0706e82SJiri Benc /* SNMP counters */ 1151f0706e82SJiri Benc /* dot11CountersTable */ 1152f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1153f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1154f0706e82SJiri Benc u32 dot11FailedCount; 1155f0706e82SJiri Benc u32 dot11RetryCount; 1156f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1157f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1158f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1159f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1160f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1161f0706e82SJiri Benc 1162f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1163cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1164e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1165cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1166cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1167f0706e82SJiri Benc #endif 1168f0706e82SJiri Benc 1169f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1170f0706e82SJiri Benc /* TX/RX handler statistics */ 1171f0706e82SJiri Benc unsigned int tx_handlers_drop; 1172f0706e82SJiri Benc unsigned int tx_handlers_queued; 1173f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1174f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1175f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1176f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1177f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1178f0706e82SJiri Benc unsigned int rx_handlers_drop; 1179f0706e82SJiri Benc unsigned int rx_handlers_queued; 1180f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1181f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1182f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1183f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1184f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1185f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1186f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1187f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1188f0706e82SJiri Benc unsigned int tx_status_drop; 1189f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1190f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1191f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1192f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1193f0706e82SJiri Benc 1194f0706e82SJiri Benc 1195f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1196f0706e82SJiri Benc * multicast packets for power saving stations 1197f0706e82SJiri Benc */ 1198520eb820SKalle Valo 1199572e0012SKalle Valo bool pspolling; 1200b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1201965bedadSJohannes Berg /* 1202965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1203965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1204965bedadSJohannes Berg */ 1205965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1206520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1207520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1208520eb820SKalle Valo struct timer_list dynamic_ps_timer; 120910f644a4SJohannes Berg struct notifier_block network_latency_notifier; 12102b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1211a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1212f0706e82SJiri Benc 1213ff616381SJuuso Oikarinen /* 1214ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1215ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1216ff616381SJuuso Oikarinen */ 1217ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1218ff616381SJuuso Oikarinen 12191ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 12202bf30fabSJohannes Berg 12210f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 12220f78231bSJohannes Berg 1223f2753ddbSJohannes Berg struct work_struct restart_work; 1224f2753ddbSJohannes Berg 1225e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1226e9f207f0SJiri Benc struct local_debugfsdentries { 12274b7679a5SJohannes Berg struct dentry *rcdir; 1228e9f207f0SJiri Benc struct dentry *keys; 1229e9f207f0SJiri Benc } debugfs; 1230e9f207f0SJiri Benc #endif 12314e6cbfd0SJohn W. Linville 12322eb278e0SJohannes Berg /* 12332eb278e0SJohannes Berg * Remain-on-channel support 12342eb278e0SJohannes Berg */ 12352eb278e0SJohannes Berg struct list_head roc_list; 123621f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 12372eb278e0SJohannes Berg unsigned long hw_roc_start_time; 123850febf6aSJohannes Berg u64 roc_cookie_counter; 123921f83589SJohannes Berg 1240a729cff8SJohannes Berg struct idr ack_status_frames; 1241a729cff8SJohannes Berg spinlock_t ack_status_lock; 1242a729cff8SJohannes Berg 1243f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1244f142c6b9SJohannes Berg 124506d181a8SJohannes Berg struct napi_struct *napi; 124606d181a8SJohannes Berg 12474b6f1dd6SJohannes Berg /* virtual monitor interface */ 12484b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 12494bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1250f0706e82SJiri Benc }; 1251f0706e82SJiri Benc 12523e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 12533e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 12543e122be0SJohannes Berg { 12553e122be0SJohannes Berg return netdev_priv(dev); 12563e122be0SJohannes Berg } 12573e122be0SJohannes Berg 125871bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 125971bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 126071bbc994SJohannes Berg { 126171bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 126271bbc994SJohannes Berg } 126371bbc994SJohannes Berg 1264c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1265eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1266eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1267eadc8d9eSRon Rindjunsky u16 tid; 1268eadc8d9eSRon Rindjunsky }; 1269eadc8d9eSRon Rindjunsky 1270c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1271c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1272c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1273c0f17eb9SChun-Yeow Yeoh u8 mode; 1274c0f17eb9SChun-Yeow Yeoh u8 count; 1275c0f17eb9SChun-Yeow Yeoh u8 ttl; 12763f718fd8SChun-Yeow Yeoh u16 pre_value; 1277c0f17eb9SChun-Yeow Yeoh }; 1278c0f17eb9SChun-Yeow Yeoh 1279dd76986bSJohannes Berg /* Parsed Information Elements */ 1280dd76986bSJohannes Berg struct ieee802_11_elems { 12814a3cb702SJohannes Berg const u8 *ie_start; 1282dd76986bSJohannes Berg size_t total_len; 1283dd76986bSJohannes Berg 1284dd76986bSJohannes Berg /* pointers to IEs */ 12854a3cb702SJohannes Berg const u8 *ssid; 12864a3cb702SJohannes Berg const u8 *supp_rates; 12874a3cb702SJohannes Berg const u8 *ds_params; 12884a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 12894a3cb702SJohannes Berg const u8 *challenge; 12904a3cb702SJohannes Berg const u8 *rsn; 12914a3cb702SJohannes Berg const u8 *erp_info; 12924a3cb702SJohannes Berg const u8 *ext_supp_rates; 12934a3cb702SJohannes Berg const u8 *wmm_info; 12944a3cb702SJohannes Berg const u8 *wmm_param; 12954a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 12964a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 12974a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 12984a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 12994a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 13004a3cb702SJohannes Berg const u8 *mesh_id; 13014a3cb702SJohannes Berg const u8 *peering; 13024a3cb702SJohannes Berg const __le16 *awake_window; 13034a3cb702SJohannes Berg const u8 *preq; 13044a3cb702SJohannes Berg const u8 *prep; 13054a3cb702SJohannes Berg const u8 *perr; 13064a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 13074a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1308b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1309b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 13104a3cb702SJohannes Berg const u8 *country_elem; 13114a3cb702SJohannes Berg const u8 *pwr_constr_elem; 131279ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 13134a3cb702SJohannes Berg const u8 *opmode_notif; 131485220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 13158f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1316dd76986bSJohannes Berg 1317dd76986bSJohannes Berg /* length of them, respectively */ 1318dd76986bSJohannes Berg u8 ssid_len; 1319dd76986bSJohannes Berg u8 supp_rates_len; 1320dd76986bSJohannes Berg u8 tim_len; 1321dd76986bSJohannes Berg u8 challenge_len; 1322dd76986bSJohannes Berg u8 rsn_len; 1323dd76986bSJohannes Berg u8 ext_supp_rates_len; 1324dd76986bSJohannes Berg u8 wmm_info_len; 1325dd76986bSJohannes Berg u8 wmm_param_len; 1326dd76986bSJohannes Berg u8 mesh_id_len; 1327dd76986bSJohannes Berg u8 peering_len; 1328dd76986bSJohannes Berg u8 preq_len; 1329dd76986bSJohannes Berg u8 prep_len; 1330dd76986bSJohannes Berg u8 perr_len; 1331dd76986bSJohannes Berg u8 country_elem_len; 1332fcff4f10SPaul Stewart 1333fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1334fcff4f10SPaul Stewart bool parse_error; 1335dd76986bSJohannes Berg }; 1336dd76986bSJohannes Berg 1337f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1338f0706e82SJiri Benc struct ieee80211_hw *hw) 1339f0706e82SJiri Benc { 1340f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1341f0706e82SJiri Benc } 1342f0706e82SJiri Benc 1343f0706e82SJiri Benc 1344571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1345571ecf67SJohannes Berg { 1346b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1347571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1348571ecf67SJohannes Berg } 1349571ecf67SJohannes Berg 1350f4bda337SThomas Pedersen static inline bool 1351f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1352f4bda337SThomas Pedersen { 1353f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1354f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1355f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1356f4bda337SThomas Pedersen } 1357571ecf67SJohannes Berg 1358f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1359f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1360f4bda337SThomas Pedersen unsigned int mpdu_len, 1361f4bda337SThomas Pedersen unsigned int mpdu_offset); 1362e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 13635cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 13649c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 13659c6bd790SJohannes Berg u32 changed); 13660d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 136746900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1368f0706e82SJiri Benc 136946900298SJohannes Berg /* STA code */ 13709c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 137177fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 137277fdaa12SJohannes Berg struct cfg80211_auth_request *req); 137377fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 137477fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 137577fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 137663c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 137777fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 137863c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1379572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1380572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 138110f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1382ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 138310f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 138410f644a4SJohannes Berg unsigned long data, void *dummy); 13852b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 13861fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 13871fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13881fa57d01SJohannes Berg struct sk_buff *skb); 1389d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1390be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1391afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 13921672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 13931672c0e3SJohannes Berg __le16 fc, bool acked); 13941a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1395b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 13969c6bd790SJohannes Berg 139746900298SJohannes Berg /* IBSS code */ 139846900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 139946900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 14008bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 14018bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1402af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1403af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1404af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 14051fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 14061fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 14071fa57d01SJohannes Berg struct sk_buff *skb); 1408cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1409cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1410cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1411cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 14121fa57d01SJohannes Berg 14131fa57d01SJohannes Berg /* mesh code */ 14141fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 14151fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 14161fa57d01SJohannes Berg struct sk_buff *skb); 1417b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 141866e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1419b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 142046900298SJohannes Berg 14219c6bd790SJohannes Berg /* scan/BSS handling */ 142246900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 142334bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1424be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 14257ca15a0aSSimon Wunderlich struct ieee80211_channel *chan, 14267ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1427c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 14282a519311SJohannes Berg struct cfg80211_scan_request *req); 14295bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1430133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1431d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 14329c6bd790SJohannes Berg 14330a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1434c2b13452SJohannes Berg struct ieee80211_bss * 143598c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 143698c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 143798c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 143898c8fccfSJohannes Berg size_t len, 143998c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1440d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 144198c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1442c2b13452SJohannes Berg struct ieee80211_bss *bss); 1443ee385855SLuis Carlos Cobo 144479f460caSLuciano Coelho /* scheduled scan handling */ 1445d43c6b6eSDavid Spinadel int 1446d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1447d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 144879f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 144979f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 145085a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 145185a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 145279f460caSLuciano Coelho 1453b203ffc3SJouni Malinen /* off-channel helpers */ 1454aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1455aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 14562eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 14572eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1458c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1459c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 14603fbd45caSJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); 14612eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 14622eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1463b203ffc3SJouni Malinen 146473da7d5bSSimon Wunderlich /* channel switch handling */ 146573da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 146682a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 146782a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 146873da7d5bSSimon Wunderlich 14693e122be0SJohannes Berg /* interface handling */ 147047846c9bSJohannes Berg int ieee80211_iface_init(void); 147147846c9bSJohannes Berg void ieee80211_iface_exit(void); 14723e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 147384efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1474ee385855SLuis Carlos Cobo struct vif_params *params); 1475f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 147605c914feSJohannes Berg enum nl80211_iftype type); 1477f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 147875636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1479382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 14805cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 148185416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 148285416a4fSChristian Lamparter const int offset); 1483f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1484f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 14853c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 14863c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1487f0706e82SJiri Benc 14881ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 14891ea6f9c0SJohannes Berg void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 14901ea6f9c0SJohannes Berg 14919607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 14929607e6b6SJohannes Berg { 149334d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 14949607e6b6SJohannes Berg } 14959607e6b6SJohannes Berg 1496e2ebc74dSJohannes Berg /* tx handling */ 1497e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1498e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1499d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1500d0cf9c0dSStephen Hemminger struct net_device *dev); 1501d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1502d0cf9c0dSStephen Hemminger struct net_device *dev); 15031f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 15041f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 1505e2ebc74dSJohannes Berg 1506de1ede7aSJohannes Berg /* HT */ 1507ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1508ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1509e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1510ef96a842SBen Greear struct ieee80211_supported_band *sband, 15114a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1512e1a0c6b3SJohannes Berg struct sta_info *sta); 1513b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1514b8695a8fSJohannes Berg const u8 *da, u16 tid, 1515b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 15160f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 15170f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 15180f78231bSJohannes Berg const u8 *bssid); 1519687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1520687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1521687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1522687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1523de1ede7aSJohannes Berg 15247c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 152553f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1526849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 152753f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1528c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1529c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1530de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1531de1ede7aSJohannes Berg struct sta_info *sta, 1532de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1533de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1534de1ede7aSJohannes Berg struct sta_info *sta, 1535de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1536de1ede7aSJohannes Berg size_t len); 1537de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1538de1ede7aSJohannes Berg struct sta_info *sta, 1539de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1540de1ede7aSJohannes Berg size_t len); 1541de1ede7aSJohannes Berg 1542849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1543c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 154467c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1545c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 15465d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 15475d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 154867c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 154967c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 15502bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1551849b7967SJohannes Berg 155204ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 155304ecd257SJohannes Berg 1554818255eaSMahesh Palivela /* VHT */ 15554a3cb702SJohannes Berg void 15564a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1557818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 15584a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 15594a34215eSJohannes Berg struct sta_info *sta); 1560e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 15618921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 1562b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1563b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 1564b1bce14aSMarek Kwaczynski enum ieee80211_band band, bool nss_only); 15650af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 15660af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1567bee7f586SJohannes Berg enum ieee80211_band band, bool nss_only); 1568dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1569dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 15704a34215eSJohannes Berg 157139192c0bSJohannes Berg /* Spectrum management */ 157239192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 157339192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 157439192c0bSJohannes Berg size_t len); 1575e6b7cde4SSimon Wunderlich /** 1576e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1577e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1578e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1579e6b7cde4SSimon Wunderlich * @beacon: indicates if the frame was a beacon or probe response 1580e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1581e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1582e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1583e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1584e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1585e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1586e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1587e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1588c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1589c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1590e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1591e6b7cde4SSimon Wunderlich */ 1592e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 1593e6b7cde4SSimon Wunderlich struct ieee802_11_elems *elems, bool beacon, 1594e6b7cde4SSimon Wunderlich enum ieee80211_band current_band, 1595c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1596c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 159739192c0bSJohannes Berg 1598f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1599f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 160084f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1601f2753ddbSJohannes Berg 1602eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1603eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1604f2753ddbSJohannes Berg 1605f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1606f2753ddbSJohannes Berg { 160785f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 160885f72bc8SJohn W. Linville 160985f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 161085f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 161185f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 161285f72bc8SJohn W. Linville 1613f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1614f2753ddbSJohannes Berg } 1615665af4fcSBob Copeland 1616c2d1560aSJohannes Berg /* utility functions/constants */ 16178a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 161871364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 161905c914feSJohannes Berg enum nl80211_iftype type); 16204ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1621438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1622438b61b7SSimon Wunderlich int shift); 1623f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1624e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1625e6d6e342SJohannes Berg gfp_t gfp); 16263abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 16273abead59SJohannes Berg bool bss_notify); 162855de908aSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, 162955de908aSJohannes Berg enum ieee80211_band band); 1630cf6bb79aSHelmut Schaa 163155de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 163255de908aSJohannes Berg struct sk_buff *skb, int tid, 163355de908aSJohannes Berg enum ieee80211_band band); 163455de908aSJohannes Berg 163555de908aSJohannes Berg static inline void 163655de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 163755de908aSJohannes Berg struct sk_buff *skb, int tid, 163855de908aSJohannes Berg enum ieee80211_band band) 163955de908aSJohannes Berg { 164055de908aSJohannes Berg rcu_read_lock(); 164155de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 164255de908aSJohannes Berg rcu_read_unlock(); 164355de908aSJohannes Berg } 164455de908aSJohannes Berg 164555de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 164655de908aSJohannes Berg struct sk_buff *skb, int tid) 164755de908aSJohannes Berg { 164855de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 164955de908aSJohannes Berg 165055de908aSJohannes Berg rcu_read_lock(); 165155de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 165255de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 165355de908aSJohannes Berg rcu_read_unlock(); 165455de908aSJohannes Berg kfree_skb(skb); 165555de908aSJohannes Berg return; 165655de908aSJohannes Berg } 165755de908aSJohannes Berg 165855de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 16594bf88530SJohannes Berg chanctx_conf->def.chan->band); 166055de908aSJohannes Berg rcu_read_unlock(); 166155de908aSJohannes Berg } 166255de908aSJohannes Berg 166355de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1664cf6bb79aSHelmut Schaa struct sk_buff *skb) 1665cf6bb79aSHelmut Schaa { 1666cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1667cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1668cf6bb79aSHelmut Schaa } 1669cf6bb79aSHelmut Schaa 167035d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1671d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1672d91f36dbSJohannes Berg u64 filter, u32 crc); 167335d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 167435d865afSJohannes Berg bool action, 1675ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1676ddc4db2eSJohannes Berg { 1677b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1678ddc4db2eSJohannes Berg } 1679ddc4db2eSJohannes Berg 1680520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1681520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1682520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1683a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1684a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1685a97b77b9SVivek Natarajan int powersave); 16863cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 16873cf335d5SKalle Valo struct ieee80211_hdr *hdr); 16884e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 168904ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 1690520eb820SKalle Valo 1691ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1692445ea4e8SJohannes Berg unsigned long queues, 1693ce7c9111SKalle Valo enum queue_stop_reason reason); 1694ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1695445ea4e8SJohannes Berg unsigned long queues, 1696ce7c9111SKalle Valo enum queue_stop_reason reason); 169796f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 169896f5e66eSJohannes Berg enum queue_stop_reason reason); 169996f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 170096f5e66eSJohannes Berg enum queue_stop_reason reason); 17013a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 17028f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 17038f77f384SJohannes Berg struct sk_buff *skb); 1704e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 1705e3685e03SJohannes Berg struct sk_buff_head *skbs); 170639ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 170739ecc01dSJohannes Berg struct ieee80211_sub_if_data *sdata); 1708ce7c9111SKalle Valo 170946900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1710700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 17114a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 17121672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 17131672c0e3SJohannes Berg u32 tx_flags); 17146ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 17156ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 17166ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1717de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1718c604b9f2SJohannes Berg size_t buffer_len, const u8 *ie, size_t ie_len, 1719651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 17202103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 1721a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 172285a237feSJohannes Berg u8 *dst, u32 ratemask, 17236b77863bSJohannes Berg struct ieee80211_channel *chan, 1724a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1725a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1726a806c558SPaul Stewart bool directed); 172746900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1728de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1729a806c558SPaul Stewart const u8 *ie, size_t ie_len, 17301672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 173155de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 173246900298SJohannes Berg 17332103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 173446900298SJohannes Berg struct ieee802_11_elems *elems, 17359ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 1736687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 1737687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 1738687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 17390f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 174004ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 174121f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 174246900298SJohannes Berg 17438e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 17448e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 17458e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1746ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 174742e7aa77SAlexander Simon u16 cap); 1748074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 17494bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1750431e3154SAshok Nagarajan u16 prot_mode); 1751ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1752ba0afa2fSMahesh Palivela u32 cap); 17532103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 17542103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 17552103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 1756fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 17576b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 17586b77863bSJohannes Berg enum ieee80211_band band); 1759fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 17606b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 17616b77863bSJohannes Berg enum ieee80211_band band); 17628e664fb3SJohannes Berg 1763f444de05SJohannes Berg /* channel management */ 17644bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 17654a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_oper, 17664bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1767e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 1768f444de05SJohannes Berg 1769d01a1e65SMichal Kazior int __must_check 1770d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 17714bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1772d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 17732c9b7359SJohannes Berg int __must_check 17742c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 17752c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 17762c9b7359SJohannes Berg u32 *changed); 177773da7d5bSSimon Wunderlich /* NOTE: only use ieee80211_vif_change_channel() for channel switch */ 177873da7d5bSSimon Wunderlich int __must_check 177973da7d5bSSimon Wunderlich ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata, 178073da7d5bSSimon Wunderlich u32 *changed); 1781d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 17824d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 17831f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 17841f4ac5a6SJohannes Berg bool clear); 1785d01a1e65SMichal Kazior 178604ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 178704ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 178821f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 178921f659bfSEliad Peller struct ieee80211_chanctx *ctx); 1790164eb02dSSimon Wunderlich 1791164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 1792164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 1793164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 1794164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 1795c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 1796c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 179704ecd257SJohannes Berg 17982475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 17992475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 18002475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 18012475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 18022475b1ccSMax Stepanov enum nl80211_iftype iftype); 18032475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 18042475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 18052475b1ccSMax Stepanov enum nl80211_iftype iftype); 1806057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 1807057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 180873de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 180973de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 181073de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 181173de86a3SLuciano Coelho u8 radar_detect); 18122475b1ccSMax Stepanov 1813f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1814d9e8a70fSJohannes Berg #define debug_noinline noinline 1815d9e8a70fSJohannes Berg #else 1816d9e8a70fSJohannes Berg #define debug_noinline 1817d9e8a70fSJohannes Berg #endif 1818d9e8a70fSJohannes Berg 1819f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1820