1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 6d98ad83eSJohannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH 7f0706e82SJiri Benc * 8f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 9f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 10f0706e82SJiri Benc * published by the Free Software Foundation. 11f0706e82SJiri Benc */ 12f0706e82SJiri Benc 13f0706e82SJiri Benc #ifndef IEEE80211_I_H 14f0706e82SJiri Benc #define IEEE80211_I_H 15f0706e82SJiri Benc 16f0706e82SJiri Benc #include <linux/kernel.h> 17f0706e82SJiri Benc #include <linux/device.h> 18f0706e82SJiri Benc #include <linux/if_ether.h> 19f0706e82SJiri Benc #include <linux/interrupt.h> 20f0706e82SJiri Benc #include <linux/list.h> 21f0706e82SJiri Benc #include <linux/netdevice.h> 22f0706e82SJiri Benc #include <linux/skbuff.h> 23f0706e82SJiri Benc #include <linux/workqueue.h> 24f0706e82SJiri Benc #include <linux/types.h> 25f0706e82SJiri Benc #include <linux/spinlock.h> 26571ecf67SJohannes Berg #include <linux/etherdevice.h> 27e1e54068SJohannes Berg #include <linux/leds.h> 28a729cff8SJohannes Berg #include <linux/idr.h> 29fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 3093da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3151cb6db0SDavid S. Miller #include <net/mac80211.h> 322c8dccc7SJohannes Berg #include "key.h" 33f0706e82SJiri Benc #include "sta_info.h" 34bdcbd8e0SJohannes Berg #include "debug.h" 35f0706e82SJiri Benc 369cfb0009SJohannes Berg struct ieee80211_local; 37f0706e82SJiri Benc 38f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 39f0706e82SJiri Benc * associated stations are using power saving. */ 40f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 41f0706e82SJiri Benc 42f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 43f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 44f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 45f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 46f0706e82SJiri Benc 47f0706e82SJiri Benc /* Required encryption head and tailroom */ 48f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 49765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 50f0706e82SJiri Benc 51f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 52f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 53f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 54f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 55f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 56f0706e82SJiri Benc 571ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 581ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 591ea6f9c0SJohannes Berg 60d6a4ed6fSArik Nemtsov /* 61aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 62aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 63aa75ebc2SMichal Kazior * enough. 64aa75ebc2SMichal Kazior * 65aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 66aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 67aa75ebc2SMichal Kazior * 68aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 69aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 70aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 71aa75ebc2SMichal Kazior * accidentally after a long time. 72aa75ebc2SMichal Kazior * 73aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 74aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 75aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 76aa75ebc2SMichal Kazior * frame support doesn't make much sense. 77d6a4ed6fSArik Nemtsov */ 78aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 79ab13315aSKalle Valo 80ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 81ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 82ab13315aSKalle Valo 836ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 846ae16775SAntonio Quartulli 85f0706e82SJiri Benc struct ieee80211_fragment_entry { 86f0706e82SJiri Benc unsigned long first_frag_time; 87f0706e82SJiri Benc unsigned int seq; 88f0706e82SJiri Benc unsigned int rx_queue; 89f0706e82SJiri Benc unsigned int last_frag; 90f0706e82SJiri Benc unsigned int extra_len; 91f0706e82SJiri Benc struct sk_buff_head skb_list; 92f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 93f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 94f0706e82SJiri Benc }; 95f0706e82SJiri Benc 96f0706e82SJiri Benc 97c2b13452SJohannes Berg struct ieee80211_bss { 98ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 998c358bcdSJohannes Berg 10043ac2ca3SJouni Malinen bool wmm_used; 101ab13315aSKalle Valo bool uapsd_supported; 10200d3f14cSJohannes Berg 103f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 104f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 105f0706e82SJiri Benc size_t supp_rates_len; 106817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 107f0706e82SJiri Benc 10800d3f14cSJohannes Berg /* 10925985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1105628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1115628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11200d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11300d3f14cSJohannes Berg */ 11400d3f14cSJohannes Berg bool has_erp_value; 1155628221cSDaniel Drake u8 erp_value; 116fcff4f10SPaul Stewart 117fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 118fcff4f10SPaul Stewart u8 corrupt_data; 119fcff4f10SPaul Stewart 120fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 121fcff4f10SPaul Stewart u8 valid_data; 122fcff4f10SPaul Stewart }; 123fcff4f10SPaul Stewart 124fcff4f10SPaul Stewart /** 125fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 126fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 127fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 128fcff4f10SPaul Stewart * 129fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 130fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 131fcff4f10SPaul Stewart */ 132fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 133fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 134fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 135fcff4f10SPaul Stewart }; 136fcff4f10SPaul Stewart 137fcff4f10SPaul Stewart /** 138fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 139fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 140fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 141fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 142fcff4f10SPaul Stewart * 143fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 144fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 145d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 146fcff4f10SPaul Stewart * beacon/probe response. 147fcff4f10SPaul Stewart */ 148fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 149fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 150fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 151fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 152f0706e82SJiri Benc }; 153f0706e82SJiri Benc 1549ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1559ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1569ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1579ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1589ae54c84SJohannes Berg 1595cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1605cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1619ae54c84SJohannes Berg 1625cf121c3SJohannes Berg struct ieee80211_tx_data { 163f0706e82SJiri Benc struct sk_buff *skb; 164252b86c4SJohannes Berg struct sk_buff_head skbs; 165f0706e82SJiri Benc struct ieee80211_local *local; 166f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 167f0706e82SJiri Benc struct sta_info *sta; 168f0706e82SJiri Benc struct ieee80211_key *key; 1690d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1705cf121c3SJohannes Berg 171056cdd59SJohannes Berg unsigned int flags; 1725cf121c3SJohannes Berg }; 1735cf121c3SJohannes Berg 1745cf121c3SJohannes Berg 1755cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1765cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1775cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1785cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1795cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1805cf121c3SJohannes Berg 181554891e6SJohannes Berg /** 182554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 183554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 184554891e6SJohannes Berg * (incl. multicast frames) 185554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 186554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 187554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1884cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 189554891e6SJohannes Berg * 190554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 191554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 192554891e6SJohannes Berg */ 193554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 194554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 195554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 196554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 197554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1984cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 199554891e6SJohannes Berg }; 200554891e6SJohannes Berg 201554891e6SJohannes Berg /** 202554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 203554891e6SJohannes Berg * 204554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 205ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 206ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 207554891e6SJohannes Berg * 208554891e6SJohannes Berg * These flags are used across handling multiple interfaces 209554891e6SJohannes Berg * for a single frame. 210554891e6SJohannes Berg */ 211554891e6SJohannes Berg enum ieee80211_rx_flags { 212554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 213ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 214554891e6SJohannes Berg }; 2155cf121c3SJohannes Berg 2165cf121c3SJohannes Berg struct ieee80211_rx_data { 2175cf121c3SJohannes Berg struct sk_buff *skb; 2185cf121c3SJohannes Berg struct ieee80211_local *local; 2195cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2205cf121c3SJohannes Berg struct sta_info *sta; 2215cf121c3SJohannes Berg struct ieee80211_key *key; 222056cdd59SJohannes Berg 223056cdd59SJohannes Berg unsigned int flags; 2249e26297aSJohannes Berg 2259e26297aSJohannes Berg /* 2269e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2279e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2289e26297aSJohannes Berg * will be 16 on non-QoS frames. 2299e26297aSJohannes Berg */ 2309e26297aSJohannes Berg int seqno_idx; 2319e26297aSJohannes Berg 2329e26297aSJohannes Berg /* 2339e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2349e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2359e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2369e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2379e26297aSJohannes Berg */ 2389e26297aSJohannes Berg int security_idx; 2399e26297aSJohannes Berg 24050741ae0SJohannes Berg u32 tkip_iv32; 24150741ae0SJohannes Berg u16 tkip_iv16; 242f0706e82SJiri Benc }; 243f0706e82SJiri Benc 244af296bdbSMichal Kazior struct ieee80211_csa_settings { 245af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 246af296bdbSMichal Kazior const u16 *counter_offsets_presp; 247af296bdbSMichal Kazior 248af296bdbSMichal Kazior int n_counter_offsets_beacon; 249af296bdbSMichal Kazior int n_counter_offsets_presp; 250af296bdbSMichal Kazior 251af296bdbSMichal Kazior u8 count; 252af296bdbSMichal Kazior }; 253af296bdbSMichal Kazior 2545dfdaf58SJohannes Berg struct beacon_data { 2555dfdaf58SJohannes Berg u8 *head, *tail; 2565dfdaf58SJohannes Berg int head_len, tail_len; 25743552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 258af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 259af296bdbSMichal Kazior u8 csa_current_counter; 2608860020eSJohannes Berg struct rcu_head rcu_head; 2615dfdaf58SJohannes Berg }; 2625dfdaf58SJohannes Berg 263aa7a0080SEyal Shapira struct probe_resp { 264aa7a0080SEyal Shapira struct rcu_head rcu_head; 265aa7a0080SEyal Shapira int len; 266af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 267aa7a0080SEyal Shapira u8 data[0]; 268aa7a0080SEyal Shapira }; 269aa7a0080SEyal Shapira 270d012a605SMarco Porsch struct ps_data { 271d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 272d012a605SMarco Porsch * bitmap_empty :) 273d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2745fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2755fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 276d012a605SMarco Porsch struct sk_buff_head bc_buf; 277d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 278d012a605SMarco Porsch int dtim_count; 279d012a605SMarco Porsch bool dtim_bc_mc; 280d012a605SMarco Porsch }; 281d012a605SMarco Porsch 282f0706e82SJiri Benc struct ieee80211_if_ap { 28340b275b6SJohannes Berg struct beacon_data __rcu *beacon; 284aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 285f0706e82SJiri Benc 28673da7d5bSSimon Wunderlich /* to be used after channel switch. */ 28773da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2884e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2890ec3ca44SJohannes Berg 290d012a605SMarco Porsch struct ps_data ps; 291030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 292687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 293687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 294687da132SEmmanuel Grumbach 295687da132SEmmanuel Grumbach struct work_struct request_smps_work; 296f0706e82SJiri Benc }; 297f0706e82SJiri Benc 298f0706e82SJiri Benc struct ieee80211_if_wds { 299f0706e82SJiri Benc struct sta_info *sta; 300056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 301f0706e82SJiri Benc }; 302f0706e82SJiri Benc 303f0706e82SJiri Benc struct ieee80211_if_vlan { 3044e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 305f14543eeSFelix Fietkau 306f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 30740b275b6SJohannes Berg struct sta_info __rcu *sta; 308f0706e82SJiri Benc }; 309f0706e82SJiri Benc 310ee385855SLuis Carlos Cobo struct mesh_stats { 311c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 312c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 313c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 314ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 315ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 316cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 317ee385855SLuis Carlos Cobo }; 318ee385855SLuis Carlos Cobo 319ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 320ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 321ee385855SLuis Carlos Cobo struct mesh_preq_queue { 322ee385855SLuis Carlos Cobo struct list_head list; 323ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 324ee385855SLuis Carlos Cobo u8 flags; 325ee385855SLuis Carlos Cobo }; 326ee385855SLuis Carlos Cobo 3272eb278e0SJohannes Berg #if HZ/100 == 0 3282eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT 1 3292eb278e0SJohannes Berg #else 3302eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT (HZ/100) 3312eb278e0SJohannes Berg #endif 33277fdaa12SJohannes Berg 3332eb278e0SJohannes Berg struct ieee80211_roc_work { 33477fdaa12SJohannes Berg struct list_head list; 3352eb278e0SJohannes Berg struct list_head dependents; 336f679f65dSJohannes Berg 3372eb278e0SJohannes Berg struct delayed_work work; 338af6b6374SJohannes Berg 339af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 340af6b6374SJohannes Berg 341f679f65dSJohannes Berg struct ieee80211_channel *chan; 342af6b6374SJohannes Berg 3432eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 3443fbd45caSJohannes Berg bool to_be_freed; 345b4b177a5SJohannes Berg bool on_channel; 346f679f65dSJohannes Berg 3472eb278e0SJohannes Berg unsigned long hw_start_time; 348e4da8c37SJohannes Berg 3492eb278e0SJohannes Berg u32 duration, req_duration; 350f30221e4SJohannes Berg struct sk_buff *frame; 35150febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 352d339d5caSIlan Peer enum ieee80211_roc_type type; 35377fdaa12SJohannes Berg }; 35477fdaa12SJohannes Berg 35546900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 356ab1faeadSJohannes Berg enum ieee80211_sta_flags { 357b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 358b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 359a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 360b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 361ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 362375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 36317e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 36424398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 365d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 366f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 367f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 368095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 369cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 370ab1faeadSJohannes Berg }; 371ab1faeadSJohannes Berg 37266e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 37366e67e41SJohannes Berg struct cfg80211_bss *bss; 37466e67e41SJohannes Berg unsigned long timeout; 37566e67e41SJohannes Berg int tries; 37666e67e41SJohannes Berg u16 algorithm, expected_transaction; 37766e67e41SJohannes Berg 37866e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37966e67e41SJohannes Berg u8 key_len, key_idx; 38066e67e41SJohannes Berg bool done; 38189afe614SJohannes Berg bool timeout_started; 38266e67e41SJohannes Berg 3836b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3846b8ece3aSJouni Malinen size_t data_len; 3856b8ece3aSJouni Malinen u8 data[]; 38666e67e41SJohannes Berg }; 38766e67e41SJohannes Berg 38866e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38966e67e41SJohannes Berg struct cfg80211_bss *bss; 39066e67e41SJohannes Berg const u8 *supp_rates; 39166e67e41SJohannes Berg 39266e67e41SJohannes Berg unsigned long timeout; 39366e67e41SJohannes Berg int tries; 39466e67e41SJohannes Berg 39566e67e41SJohannes Berg u16 capability; 39666e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39766e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39866e67e41SJohannes Berg u8 ssid_len; 39966e67e41SJohannes Berg u8 supp_rates_len; 40076f0303dSJohannes Berg bool wmm, uapsd; 401989c6505SAlexander Bondar bool need_beacon; 40266e67e41SJohannes Berg bool synced; 40389afe614SJohannes Berg bool timeout_started; 40466e67e41SJohannes Berg 4059dde6423SJohannes Berg u8 ap_ht_param; 4069dde6423SJohannes Berg 407b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 408b08fbbd8SJohannes Berg 40966e67e41SJohannes Berg size_t ie_len; 41066e67e41SJohannes Berg u8 ie[]; 41166e67e41SJohannes Berg }; 41266e67e41SJohannes Berg 41302219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41402219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41502219b3aSJohannes Berg unsigned long time_slice_start; 41602219b3aSJohannes Berg 41702219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 41802219b3aSJohannes Berg u8 tsid; 41902219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 42002219b3aSJohannes Berg 42102219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42202219b3aSJohannes Berg u32 consumed_tx_time; 42302219b3aSJohannes Berg enum { 42402219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42502219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 42602219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 42702219b3aSJohannes Berg } action; 42802219b3aSJohannes Berg bool downgraded; 42902219b3aSJohannes Berg }; 43002219b3aSJohannes Berg 43146900298SJohannes Berg struct ieee80211_if_managed { 432056cdd59SJohannes Berg struct timer_list timer; 433b291ba11SJohannes Berg struct timer_list conn_mon_timer; 434b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 435c481ec97SSujith struct timer_list chswitch_timer; 436b291ba11SJohannes Berg struct work_struct monitor_work; 437c481ec97SSujith struct work_struct chswitch_work; 4381e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 439882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44046900298SJohannes Berg 4417ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 442b291ba11SJohannes Berg unsigned long probe_timeout; 443a43abf29SMaxim Levitsky int probe_send_count; 44404ac3c0eSFelix Fietkau bool nullfunc_failed; 445682bd38bSJohannes Berg bool connection_loss; 446b291ba11SJohannes Berg 4470c1ad2caSJohannes Berg struct cfg80211_bss *associated; 44866e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 44966e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45046900298SJohannes Berg 45177fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 45246900298SJohannes Berg 453f0706e82SJiri Benc u16 aid; 454f0706e82SJiri Benc 455965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 45605cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 457989c6505SAlexander Bondar bool have_beacon; 458826262c3SJohannes Berg u8 dtim_period; 4590f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 460d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 461d1f5b7a3SJohannes Berg 462d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 463965bedadSJohannes Berg 464d6f2da5bSJiri Slaby unsigned int flags; 465f0706e82SJiri Benc 4660c21e632SLuciano Coelho bool csa_waiting_bcn; 467f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4680c21e632SLuciano Coelho 469d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 470d91f36dbSJohannes Berg u32 beacon_crc; 471d91f36dbSJohannes Berg 4721672c0e3SJohannes Berg bool status_acked; 4731672c0e3SJohannes Berg bool status_received; 4741672c0e3SJohannes Berg __le16 status_fc; 4751672c0e3SJohannes Berg 476fdfacf0aSJouni Malinen enum { 477fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 478fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 479fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 480fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 481fdfacf0aSJouni Malinen 482dc41e4d4SEliad Peller /* 483dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 484dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 485dc41e4d4SEliad Peller * to take effect. 486dc41e4d4SEliad Peller */ 487dc41e4d4SEliad Peller unsigned int uapsd_queues; 488dc41e4d4SEliad Peller 489dc41e4d4SEliad Peller /* 490dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 491dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 492dc41e4d4SEliad Peller * Needs a new association to take effect. 493dc41e4d4SEliad Peller */ 494dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 495dc41e4d4SEliad Peller 496f0706e82SJiri Benc int wmm_last_param_set; 4979bc383deSJohannes Berg 4989bc383deSJohannes Berg u8 use_4addr; 49917e4ec14SJouni Malinen 50067baf663SJanusz Dziedzic s16 p2p_noa_index; 501488dd7b5SJohannes Berg 50217e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 50317e4ec14SJouni Malinen int last_beacon_signal; 50417e4ec14SJouni Malinen 50517e4ec14SJouni Malinen /* 50617e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 50717e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 50817e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 50917e4ec14SJouni Malinen * divided by 16 to get the actual value. 51017e4ec14SJouni Malinen */ 51117e4ec14SJouni Malinen int ave_beacon_signal; 51217e4ec14SJouni Malinen 51317e4ec14SJouni Malinen /* 514391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 515391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 516391a200aSJouni Malinen * only on couple of received frames. 517391a200aSJouni Malinen */ 518391a200aSJouni Malinen unsigned int count_beacon_signal; 519391a200aSJouni Malinen 520391a200aSJouni Malinen /* 52117e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 52217e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 52317e4ec14SJouni Malinen * generated for the current association. 52417e4ec14SJouni Malinen */ 52517e4ec14SJouni Malinen int last_cqm_event_signal; 526615f7b9bSMeenakshi Venkataraman 527615f7b9bSMeenakshi Venkataraman /* 528615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 529615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 530615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 531615f7b9bSMeenakshi Venkataraman */ 532615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 533615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 534ef96a842SBen Greear 535ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 536ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 537dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 538dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 53981dd2b88SArik Nemtsov 5401277b4a9SLiad Kaufman /* TDLS support */ 54181dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 54281dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5431277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5441277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5451277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5469041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 54702219b3aSJohannes Berg 54802219b3aSJohannes Berg /* WMM-AC TSPEC support */ 54902219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 55002219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 55102219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 55202219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 55302219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 55402219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 55502219b3aSJohannes Berg */ 55602219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 557f0706e82SJiri Benc }; 558f0706e82SJiri Benc 55946900298SJohannes Berg struct ieee80211_if_ibss { 56046900298SJohannes Berg struct timer_list timer; 561cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 56246900298SJohannes Berg 563af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5645bb644a0SJohannes Berg 565fbd2c8dcSTeemu Paasikivi u32 basic_rates; 566fbd2c8dcSTeemu Paasikivi 567af8cdcd8SJohannes Berg bool fixed_bssid; 568af8cdcd8SJohannes Berg bool fixed_channel; 569fffd0934SJohannes Berg bool privacy; 57046900298SJohannes Berg 571267335d6SAntonio Quartulli bool control_port; 5728e8d347dSSimon Wunderlich bool userspace_handles_dfs; 573267335d6SAntonio Quartulli 5744d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 575af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 576af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 577af8cdcd8SJohannes Berg u8 *ie; 5783aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 57946900298SJohannes Berg 58046900298SJohannes Berg unsigned long ibss_join_req; 581af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 582c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 58346900298SJohannes Berg 584822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 585822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 586822854b0SSimon Wunderlich 5878bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5888bf11d8dSJohannes Berg struct list_head incomplete_stations; 5898bf11d8dSJohannes Berg 59046900298SJohannes Berg enum { 59146900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 59246900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 59346900298SJohannes Berg } state; 59446900298SJohannes Berg }; 59546900298SJohannes Berg 596dbf498fbSJavier Cardona /** 597239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 598239281f8SRostislav Lisovy * 599239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 600239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 601239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 602239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 603239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 604239281f8SRostislav Lisovy */ 605239281f8SRostislav Lisovy struct ieee80211_if_ocb { 606239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 607239281f8SRostislav Lisovy unsigned long wrkq_flags; 608239281f8SRostislav Lisovy 609239281f8SRostislav Lisovy spinlock_t incomplete_lock; 610239281f8SRostislav Lisovy struct list_head incomplete_stations; 611239281f8SRostislav Lisovy 612239281f8SRostislav Lisovy bool joined; 613239281f8SRostislav Lisovy }; 614239281f8SRostislav Lisovy 615239281f8SRostislav Lisovy /** 616dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 617dbf498fbSJavier Cardona * 618dbf498fbSJavier Cardona * these declarations define the interface, which enables 619dbf498fbSJavier Cardona * vendor-specific mesh synchronization 620dbf498fbSJavier Cardona * 621dbf498fbSJavier Cardona */ 622dbf498fbSJavier Cardona struct ieee802_11_elems; 623dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 624dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 625dbf498fbSJavier Cardona u16 stype, 626dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 627dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 628dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 62943552be1SThomas Pedersen 63043552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 63143552be1SThomas Pedersen void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata, 63243552be1SThomas Pedersen struct beacon_data *beacon); 633dbf498fbSJavier Cardona /* add other framework functions here */ 634dbf498fbSJavier Cardona }; 635dbf498fbSJavier Cardona 636b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 637b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 638b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 639b8456a14SChun-Yeow Yeoh }; 640b8456a14SChun-Yeow Yeoh 641472dbc45SJohannes Berg struct ieee80211_if_mesh { 642472dbc45SJohannes Berg struct timer_list housekeeping_timer; 643472dbc45SJohannes Berg struct timer_list mesh_path_timer; 644e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 645472dbc45SJohannes Berg 64618889231SJavier Cardona unsigned long wrkq_flags; 647f81a9dedSThomas Pedersen unsigned long mbss_changed; 648472dbc45SJohannes Berg 649472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 650472dbc45SJohannes Berg size_t mesh_id_len; 651472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6523491707aSRui Paulo u8 mesh_pp_id; 653472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6543491707aSRui Paulo u8 mesh_pm_id; 655472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6563491707aSRui Paulo u8 mesh_cc_id; 6579e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6583491707aSRui Paulo u8 mesh_sp_id; 6599e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6603491707aSRui Paulo u8 mesh_auth_id; 661d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 662d19b3bf6SRui Paulo u32 sn; 663472dbc45SJohannes Berg /* Last used PREQ ID */ 664472dbc45SJohannes Berg u32 preq_id; 665472dbc45SJohannes Berg atomic_t mpaths; 666d19b3bf6SRui Paulo /* Timestamp of last SN update */ 667d19b3bf6SRui Paulo unsigned long last_sn_update; 668dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 669dca7e943SThomas Pedersen unsigned long next_perr; 670dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 671472dbc45SJohannes Berg unsigned long last_preq; 672472dbc45SJohannes Berg struct mesh_rmc *rmc; 673472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 674472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 675472dbc45SJohannes Berg int preq_queue_len; 676472dbc45SJohannes Berg struct mesh_stats mshstats; 677472dbc45SJohannes Berg struct mesh_config mshcfg; 6781258d976SAshok Nagarajan atomic_t estab_plinks; 679472dbc45SJohannes Berg u32 mesh_seqnum; 680472dbc45SJohannes Berg bool accepting_plinks; 6815ee68e5bSJavier Cardona int num_gates; 6822b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 683581a8b0fSJavier Cardona const u8 *ie; 684581a8b0fSJavier Cardona u8 ie_len; 685b130e5ceSJavier Cardona enum { 686b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 687b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 688b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 689b130e5ceSJavier Cardona } security; 690a6dad6a2SThomas Pedersen bool user_mpm; 691dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6928ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 693dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 694dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 695dbf498fbSJavier Cardona bool adjusting_tbtt; 6963f52b7e3SMarco Porsch /* mesh power save */ 6973f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6983f52b7e3SMarco Porsch int ps_peers_light_sleep; 6993f52b7e3SMarco Porsch int ps_peers_deep_sleep; 7003f52b7e3SMarco Porsch struct ps_data ps; 7018f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 702b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 7030cb4d4dcSLuciano Coelho enum { 7040cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 7050cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 7060cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 7070cb4d4dcSLuciano Coelho } csa_role; 708b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 7098f2535b9SChun-Yeow Yeoh u16 pre_value; 71043552be1SThomas Pedersen 71143552be1SThomas Pedersen /* offset from skb->data while building IE */ 71243552be1SThomas Pedersen int meshconf_offset; 713472dbc45SJohannes Berg }; 714902acc78SJohannes Berg 715902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 716472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 717472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 718902acc78SJohannes Berg #else 719472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 720902acc78SJohannes Berg do { } while (0) 721902acc78SJohannes Berg #endif 722f0706e82SJiri Benc 723213cd118SJohannes Berg /** 724213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 725213cd118SJohannes Berg * 726213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 727213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 728213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 729213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 730213cd118SJohannes Berg * associated stations and deliver multicast frames both 731213cd118SJohannes Berg * back to wireless media and to the local net stack. 73295acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7337b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 734213cd118SJohannes Berg */ 735213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 736213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 737213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 7387986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7397986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 74095acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7417b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 742213cd118SJohannes Berg }; 743213cd118SJohannes Berg 74434d4bc4dSJohannes Berg /** 74534d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 74634d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 74734d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 74834d4bc4dSJohannes Berg * change handling while the interface is up 7495b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7505b714c6aSJohannes Berg * mode, so queues are stopped 751d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 752d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 75334d4bc4dSJohannes Berg */ 75434d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 75534d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7565b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 757d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 75834d4bc4dSJohannes Berg }; 75934d4bc4dSJohannes Berg 760d01a1e65SMichal Kazior /** 761d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 762d01a1e65SMichal Kazior * 763d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 764d01a1e65SMichal Kazior * multiple interfaces 765d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 766d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 767d01a1e65SMichal Kazior * non-fixed channel IBSS. 768d01a1e65SMichal Kazior */ 769d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 770d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 771d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 772d01a1e65SMichal Kazior }; 773d01a1e65SMichal Kazior 7745bcae31dSMichal Kazior /** 7755bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7765bcae31dSMichal Kazior * 7775bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7785bcae31dSMichal Kazior * context switch/swap. 7795bcae31dSMichal Kazior * 7805bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7815bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7825bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7835bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7845bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7855bcae31dSMichal Kazior */ 7865bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7875bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7885bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7895bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7905bcae31dSMichal Kazior }; 7915bcae31dSMichal Kazior 792d01a1e65SMichal Kazior struct ieee80211_chanctx { 793d01a1e65SMichal Kazior struct list_head list; 794d01a1e65SMichal Kazior struct rcu_head rcu_head; 795d01a1e65SMichal Kazior 796484298adSMichal Kazior struct list_head assigned_vifs; 797e3afb920SMichal Kazior struct list_head reserved_vifs; 798484298adSMichal Kazior 7995bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 8005bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 8015bcae31dSMichal Kazior 802d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 8038a61af65SJohannes Berg bool driver_present; 804d01a1e65SMichal Kazior 805d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 806d01a1e65SMichal Kazior }; 807d01a1e65SMichal Kazior 80832db6b54SKyeyoon Park struct mac80211_qos_map { 80932db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 81032db6b54SKyeyoon Park struct rcu_head rcu_head; 81132db6b54SKyeyoon Park }; 81232db6b54SKyeyoon Park 813f0706e82SJiri Benc struct ieee80211_sub_if_data { 814f0706e82SJiri Benc struct list_head list; 815f0706e82SJiri Benc 816f0706e82SJiri Benc struct wireless_dev wdev; 817f0706e82SJiri Benc 81811a843b7SJohannes Berg /* keys */ 81911a843b7SJohannes Berg struct list_head key_list; 82011a843b7SJohannes Berg 8213bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8223bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8238d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8248d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8253bff1865SYogesh Ashok Powar 826f0706e82SJiri Benc struct net_device *dev; 827f0706e82SJiri Benc struct ieee80211_local *local; 828f0706e82SJiri Benc 82913262ffdSJiri Slaby unsigned int flags; 8307e9ed188SDaniel Drake 83134d4bc4dSJohannes Berg unsigned long state; 83234d4bc4dSJohannes Berg 833f0706e82SJiri Benc int drop_unencrypted; 834f0706e82SJiri Benc 83547846c9bSJohannes Berg char name[IFNAMSIZ]; 83647846c9bSJohannes Berg 837f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 838f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 839f0706e82SJiri Benc unsigned int fragment_next; 840f0706e82SJiri Benc 841b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 842b53be792SSimon Wunderlich u16 noack_map; 843b53be792SSimon Wunderlich 84400e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 84500e96decSYoni Divinsky u8 wmm_acm; 84600e96decSYoni Divinsky 84740b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 84840b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 84940b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 85040b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 851f0706e82SJiri Benc 85294778280SJohannes Berg u16 sequence_number; 853a621fa4dSJohannes Berg __be16 control_port_protocol; 854a621fa4dSJohannes Berg bool control_port_no_encrypt; 8552475b1ccSMax Stepanov int encrypt_headroom; 85694778280SJohannes Berg 85754bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 85832db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 859f6f3def3SEliad Peller 86073da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 86159af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 86233787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 86373da7d5bSSimon Wunderlich 864484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 865e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 866484298adSMichal Kazior 86711335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 86811335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 86911335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 87009332481SMichal Kazior bool reserved_radar_required; 8715bcae31dSMichal Kazior bool reserved_ready; 87211335a55SLuciano Coelho 87304ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 87404ecd257SJohannes Berg struct work_struct recalc_smps; 87504ecd257SJohannes Berg 87664592c8fSJohannes Berg struct work_struct work; 87735f20c14SJohannes Berg struct sk_buff_head skb_queue; 87835f20c14SJohannes Berg 87904ecd257SJohannes Berg u8 needed_rx_chains; 88004ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 88104ecd257SJohannes Berg 8821ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 8831ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 8841ea6f9c0SJohannes Berg 885164eb02dSSimon Wunderlich bool radar_required; 886164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 887164eb02dSSimon Wunderlich 8883e122be0SJohannes Berg /* 8893e122be0SJohannes Berg * AP this belongs to: self in AP mode and 8903e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 8913e122be0SJohannes Berg * all others (might be needed later in IBSS) 8923e122be0SJohannes Berg */ 8933e122be0SJohannes Berg struct ieee80211_if_ap *bss; 8943e122be0SJohannes Berg 89537eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 89637eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 8972ffbe6d3SFelix Fietkau 8982ffbe6d3SFelix Fietkau bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; 89919468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 900f0706e82SJiri Benc 901f0706e82SJiri Benc union { 902f0706e82SJiri Benc struct ieee80211_if_ap ap; 903f0706e82SJiri Benc struct ieee80211_if_wds wds; 904f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 90546900298SJohannes Berg struct ieee80211_if_managed mgd; 90646900298SJohannes Berg struct ieee80211_if_ibss ibss; 907472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 908239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 9098cc9a739SMichael Wu u32 mntr_flags; 910f0706e82SJiri Benc } u; 911e9f207f0SJiri Benc 912e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 913e9f207f0SJiri Benc struct { 914295bafb4SBen Greear struct dentry *subdir_stations; 915f7e0104cSJohannes Berg struct dentry *default_unicast_key; 916f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9173cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 9187bcfaf2fSJohannes Berg } debugfs; 919e9f207f0SJiri Benc #endif 920529ba6e9SJohannes Berg 92132bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 92232bfd35dSJohannes Berg struct ieee80211_vif vif; 923f0706e82SJiri Benc }; 924f0706e82SJiri Benc 92532bfd35dSJohannes Berg static inline 92632bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 92732bfd35dSJohannes Berg { 92832bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 92932bfd35dSJohannes Berg } 93032bfd35dSJohannes Berg 9318d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 9328d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 9338d61ffa5SJohannes Berg { 9348d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 9358d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 9368d61ffa5SJohannes Berg } 9378d61ffa5SJohannes Berg 9388d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 9398d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 9408d61ffa5SJohannes Berg { 9418d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 9428d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 9438d61ffa5SJohannes Berg } 9448d61ffa5SJohannes Berg 9457ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 9467ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 9477ca133bcSSimon Wunderlich 9488d61ffa5SJohannes Berg static inline void 9498d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 9508d61ffa5SJohannes Berg { 9518d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 9528d61ffa5SJohannes Berg } 9538d61ffa5SJohannes Berg 95455de908aSJohannes Berg static inline enum ieee80211_band 95555de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 95655de908aSJohannes Berg { 95755de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 95855de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 95955de908aSJohannes Berg 96055de908aSJohannes Berg rcu_read_lock(); 96155de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 96255de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 9634bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 96455de908aSJohannes Berg rcu_read_unlock(); 96555de908aSJohannes Berg 96655de908aSJohannes Berg return band; 96755de908aSJohannes Berg } 96855de908aSJohannes Berg 969438b61b7SSimon Wunderlich static inline int 970438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 971438b61b7SSimon Wunderlich { 972438b61b7SSimon Wunderlich switch (chandef->width) { 973438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 974438b61b7SSimon Wunderlich return 2; 975438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 976438b61b7SSimon Wunderlich return 1; 977438b61b7SSimon Wunderlich default: 978438b61b7SSimon Wunderlich return 0; 979438b61b7SSimon Wunderlich } 980438b61b7SSimon Wunderlich } 981438b61b7SSimon Wunderlich 982438b61b7SSimon Wunderlich static inline int 983438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 984438b61b7SSimon Wunderlich { 985438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 986438b61b7SSimon Wunderlich int shift = 0; 987438b61b7SSimon Wunderlich 988438b61b7SSimon Wunderlich rcu_read_lock(); 989438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 990438b61b7SSimon Wunderlich if (chanctx_conf) 991438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 992438b61b7SSimon Wunderlich rcu_read_unlock(); 993438b61b7SSimon Wunderlich 994438b61b7SSimon Wunderlich return shift; 995438b61b7SSimon Wunderlich } 996438b61b7SSimon Wunderlich 99708cf42e8SMichal Kazior struct ieee80211_rx_agg { 99808cf42e8SMichal Kazior u8 addr[ETH_ALEN]; 99908cf42e8SMichal Kazior u16 tid; 100008cf42e8SMichal Kazior }; 100108cf42e8SMichal Kazior 1002c1475ca9SJohannes Berg enum sdata_queue_type { 1003c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 1004c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 1005c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 100608cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_START = 3, 100708cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4, 10088a4d32f3SArik Nemtsov IEEE80211_SDATA_QUEUE_TDLS_CHSW = 5, 1009c1475ca9SJohannes Berg }; 1010c1475ca9SJohannes Berg 1011f0706e82SJiri Benc enum { 1012f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1013f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1014f0706e82SJiri Benc }; 1015f0706e82SJiri Benc 1016ce7c9111SKalle Valo enum queue_stop_reason { 1017ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1018520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 101996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 102096f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 102125420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10228f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10236c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1024445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1025db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1026b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1027cca07b00SLuciano Coelho 1028cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1029ce7c9111SKalle Valo }; 1030ce7c9111SKalle Valo 103165a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1032e1e54068SJohannes Berg struct tpt_led_trigger { 1033e1e54068SJohannes Berg struct led_trigger trig; 1034e1e54068SJohannes Berg char name[32]; 1035e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1036e1e54068SJohannes Berg unsigned int blink_table_len; 1037e1e54068SJohannes Berg struct timer_list timer; 1038e1e54068SJohannes Berg unsigned long prev_traffic; 1039e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 104067408c8cSJohannes Berg unsigned int active, want; 104167408c8cSJohannes Berg bool running; 1042e1e54068SJohannes Berg }; 104365a6538aSLuciano Coelho #endif 1044e1e54068SJohannes Berg 1045ad38bfc9SMatti Gottlieb /* 1046ad38bfc9SMatti Gottlieb * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges 1047ad38bfc9SMatti Gottlieb * 1048ad38bfc9SMatti Gottlieb * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a 1049ad38bfc9SMatti Gottlieb * certain latency range (in Milliseconds). Each station that uses these 1050ad38bfc9SMatti Gottlieb * ranges will have bins to count the amount of frames received in that range. 1051ad38bfc9SMatti Gottlieb * The user can configure the ranges via debugfs. 1052ad38bfc9SMatti Gottlieb * If ranges is NULL then Tx latency statistics bins are disabled for all 1053ad38bfc9SMatti Gottlieb * stations. 1054ad38bfc9SMatti Gottlieb * 1055ad38bfc9SMatti Gottlieb * @n_ranges: number of ranges that are taken in account 1056ad38bfc9SMatti Gottlieb * @ranges: the ranges that the user requested or NULL if disabled. 1057ad38bfc9SMatti Gottlieb */ 1058ad38bfc9SMatti Gottlieb struct ieee80211_tx_latency_bin_ranges { 1059ad38bfc9SMatti Gottlieb int n_ranges; 1060ad38bfc9SMatti Gottlieb u32 ranges[]; 1061ad38bfc9SMatti Gottlieb }; 1062ad38bfc9SMatti Gottlieb 1063142b9f50SHelmut Schaa /** 1064142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1065142b9f50SHelmut Schaa * 1066142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1067142b9f50SHelmut Schaa * well be on the operating channel 1068142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1069142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10708a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10718a690674SBen Greear * channel. This should not interrupt normal traffic. 10728789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10738789d459SJohannes Berg * that the scan completed. 10748789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10758789d459SJohannes Berg * a scan complete for an aborted scan. 1076a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1077a754055aSEmmanuel Grumbach * cancelled. 1078142b9f50SHelmut Schaa */ 1079fbe9c429SHelmut Schaa enum { 1080fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1081142b9f50SHelmut Schaa SCAN_HW_SCANNING, 10828a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 10838789d459SJohannes Berg SCAN_COMPLETED, 10848789d459SJohannes Berg SCAN_ABORTED, 1085a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1086142b9f50SHelmut Schaa }; 1087142b9f50SHelmut Schaa 1088142b9f50SHelmut Schaa /** 1089142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1090142b9f50SHelmut Schaa * 1091142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1092142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1093142b9f50SHelmut Schaa * operating channel 1094142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1095142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 109607ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 109707ef03eeSJohannes Berg * send out data 109807ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1099cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1100142b9f50SHelmut Schaa */ 1101142b9f50SHelmut Schaa enum mac80211_scan_state { 1102142b9f50SHelmut Schaa SCAN_DECISION, 1103142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1104142b9f50SHelmut Schaa SCAN_SEND_PROBE, 110507ef03eeSJohannes Berg SCAN_SUSPEND, 110607ef03eeSJohannes Berg SCAN_RESUME, 1107cd2bb512SSam Leffler SCAN_ABORT, 1108fbe9c429SHelmut Schaa }; 1109fbe9c429SHelmut Schaa 1110f0706e82SJiri Benc struct ieee80211_local { 1111f0706e82SJiri Benc /* embed the driver visible part. 1112f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1113f0706e82SJiri Benc * it first anyway so they become a no-op */ 1114f0706e82SJiri Benc struct ieee80211_hw hw; 1115f0706e82SJiri Benc 1116f0706e82SJiri Benc const struct ieee80211_ops *ops; 1117f0706e82SJiri Benc 111842935ecaSLuis R. Rodriguez /* 111942935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 112042935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 112142935ecaSLuis R. Rodriguez */ 112242935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 112342935ecaSLuis R. Rodriguez 1124e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1125cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 112696f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1127ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 112896f5e66eSJohannes Berg 1129f0706e82SJiri Benc int open_count; 11303d30d949SMichael Wu int monitors, cooked_mntrs; 11318cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11327be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11337be5086dSJohannes Berg fif_probe_req; 11347be5086dSJohannes Berg int probe_req_reg; 11354150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11363b8d81e0SJohannes Berg 11373ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11383ffc2a90SJohannes Berg 1139fe57d9f5SJohannes Berg bool use_chanctx; 1140fe57d9f5SJohannes Berg 11413b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11423b8d81e0SJohannes Berg spinlock_t filter_lock; 11433b8d81e0SJohannes Berg 11443ac64beeSJohannes Berg /* used for uploading changed mc list */ 11453ac64beeSJohannes Berg struct work_struct reconfig_filter; 11463ac64beeSJohannes Berg 11473b8d81e0SJohannes Berg /* aggregated multicast list */ 114822bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11493b8d81e0SJohannes Berg 1150d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11515bb644a0SJohannes Berg 11525bb644a0SJohannes Berg /* 11535bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11545bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11555bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11565bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11575bb644a0SJohannes Berg */ 11585bb644a0SJohannes Berg bool suspended; 11595bb644a0SJohannes Berg 11605bb644a0SJohannes Berg /* 1161ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1162ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1163ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1164ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1165ceb99fe0SJohannes Berg */ 1166ceb99fe0SJohannes Berg bool resuming; 1167ceb99fe0SJohannes Berg 1168ceb99fe0SJohannes Berg /* 11695bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 11705bb644a0SJohannes Berg * ease timer cancelling etc. 11715bb644a0SJohannes Berg */ 11725bb644a0SJohannes Berg bool quiescing; 11735bb644a0SJohannes Berg 1174ea77f12fSJohannes Berg /* device is started */ 1175ea77f12fSJohannes Berg bool started; 1176ea77f12fSJohannes Berg 117704800adaSArik Nemtsov /* device is during a HW reconfig */ 117804800adaSArik Nemtsov bool in_reconfig; 117904800adaSArik Nemtsov 1180eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1181eecc4800SJohannes Berg bool wowlan; 1182eecc4800SJohannes Berg 1183164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1184164eb02dSSimon Wunderlich 118504ecd257SJohannes Berg /* number of RX chains the hardware has */ 118604ecd257SJohannes Berg u8 rx_chains; 118704ecd257SJohannes Berg 1188b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1189f0706e82SJiri Benc 1190f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1191f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1192f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1193f0706e82SJiri Benc * queues increases over the limit. */ 1194f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1195f0706e82SJiri Benc struct tasklet_struct tasklet; 1196f0706e82SJiri Benc struct sk_buff_head skb_queue; 1197f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1198f0706e82SJiri Benc 1199f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 120024a8fdadSChristian Lamparter 1201d0709a65SJohannes Berg /* Station data */ 1202d0709a65SJohannes Berg /* 12034d33960bSJohannes Berg * The mutex only protects the list, hash table and 12044d33960bSJohannes Berg * counter, reads are done with RCU. 1205d0709a65SJohannes Berg */ 120634e89507SJohannes Berg struct mutex sta_mtx; 12074d33960bSJohannes Berg spinlock_t tim_lock; 1208d0709a65SJohannes Berg unsigned long num_sta; 12094d33960bSJohannes Berg struct list_head sta_list; 121040b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 1211f0706e82SJiri Benc struct timer_list sta_cleanup; 1212f5ea9120SJohannes Berg int sta_generation; 1213f0706e82SJiri Benc 1214ad38bfc9SMatti Gottlieb /* 1215ad38bfc9SMatti Gottlieb * Tx latency statistics parameters for all stations. 1216ad38bfc9SMatti Gottlieb * Can enable via debugfs (NULL when disabled). 1217ad38bfc9SMatti Gottlieb */ 1218ad38bfc9SMatti Gottlieb struct ieee80211_tx_latency_bin_ranges __rcu *tx_latency; 1219ad38bfc9SMatti Gottlieb 12202a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1221f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1222f0706e82SJiri Benc 1223a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1224cd8ffc80SJohannes Berg 1225f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 122653918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 1227f0706e82SJiri Benc 1228f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1229f0706e82SJiri Benc 12305f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 12315f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1232f0706e82SJiri Benc u32 wep_iv; 1233f0706e82SJiri Benc 1234c771c9d8SJohannes Berg /* see iface.c */ 123579010420SJohannes Berg struct list_head interfaces; 1236c771c9d8SJohannes Berg struct mutex iflist_mtx; 123779010420SJohannes Berg 1238b16bd15cSJohannes Berg /* 1239ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1240b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1241b16bd15cSJohannes Berg */ 1242ad0e2b5aSJohannes Berg struct mutex key_mtx; 1243b16bd15cSJohannes Berg 1244a1699b75SJohannes Berg /* mutex for scan and work locking */ 1245a1699b75SJohannes Berg struct mutex mtx; 1246b16bd15cSJohannes Berg 1247c2b13452SJohannes Berg /* Scanning and BSS list */ 1248fbe9c429SHelmut Schaa unsigned long scanning; 12492a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12505ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12516ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1252c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12537ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 12544d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1255f0706e82SJiri Benc int scan_channel_idx; 1256de95a54bSJohannes Berg int scan_ies_len; 1257c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12588318d78aSJohannes Berg 125985a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12605260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12616ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1262a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 126379f460caSLuciano Coelho 1264df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1265977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1266f0706e82SJiri Benc struct delayed_work scan_work; 1267e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 126855de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1269675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1270f0706e82SJiri Benc 1271b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1272b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1273b8bc4b0aSJohannes Berg 1274d01a1e65SMichal Kazior /* channel contexts */ 1275d01a1e65SMichal Kazior struct list_head chanctx_list; 1276d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1277d01a1e65SMichal Kazior 1278f0706e82SJiri Benc /* SNMP counters */ 1279f0706e82SJiri Benc /* dot11CountersTable */ 1280f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1281f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1282f0706e82SJiri Benc u32 dot11FailedCount; 1283f0706e82SJiri Benc u32 dot11RetryCount; 1284f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1285f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1286f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1287f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1288f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1289f0706e82SJiri Benc 1290f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1291cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1292e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1293cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1294cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1295f0706e82SJiri Benc #endif 1296f0706e82SJiri Benc 1297f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1298f0706e82SJiri Benc /* TX/RX handler statistics */ 1299f0706e82SJiri Benc unsigned int tx_handlers_drop; 1300f0706e82SJiri Benc unsigned int tx_handlers_queued; 1301f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1302f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1303f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1304f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1305f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1306f0706e82SJiri Benc unsigned int rx_handlers_drop; 1307f0706e82SJiri Benc unsigned int rx_handlers_queued; 1308f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1309f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1310f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1311f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1312f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1313f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1314f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1315f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1316f0706e82SJiri Benc unsigned int tx_status_drop; 1317f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1318f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1319f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1320f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1321f0706e82SJiri Benc 1322f0706e82SJiri Benc 1323f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1324f0706e82SJiri Benc * multicast packets for power saving stations 1325f0706e82SJiri Benc */ 1326520eb820SKalle Valo 1327572e0012SKalle Valo bool pspolling; 1328b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1329965bedadSJohannes Berg /* 1330965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1331965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1332965bedadSJohannes Berg */ 1333965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1334520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1335520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1336520eb820SKalle Valo struct timer_list dynamic_ps_timer; 133710f644a4SJohannes Berg struct notifier_block network_latency_notifier; 13382b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1339a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1340f0706e82SJiri Benc 1341ff616381SJuuso Oikarinen /* 1342ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1343ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1344ff616381SJuuso Oikarinen */ 1345ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1346ff616381SJuuso Oikarinen 13471ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13482bf30fabSJohannes Berg 13490f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13500f78231bSJohannes Berg 1351f2753ddbSJohannes Berg struct work_struct restart_work; 1352f2753ddbSJohannes Berg 1353e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1354e9f207f0SJiri Benc struct local_debugfsdentries { 13554b7679a5SJohannes Berg struct dentry *rcdir; 1356e9f207f0SJiri Benc struct dentry *keys; 1357e9f207f0SJiri Benc } debugfs; 1358e9f207f0SJiri Benc #endif 13594e6cbfd0SJohn W. Linville 13602eb278e0SJohannes Berg /* 13612eb278e0SJohannes Berg * Remain-on-channel support 13622eb278e0SJohannes Berg */ 13632eb278e0SJohannes Berg struct list_head roc_list; 136421f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13652eb278e0SJohannes Berg unsigned long hw_roc_start_time; 136650febf6aSJohannes Berg u64 roc_cookie_counter; 136721f83589SJohannes Berg 1368a729cff8SJohannes Berg struct idr ack_status_frames; 1369a729cff8SJohannes Berg spinlock_t ack_status_lock; 1370a729cff8SJohannes Berg 1371f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1372f142c6b9SJohannes Berg 137306d181a8SJohannes Berg struct napi_struct *napi; 137406d181a8SJohannes Berg 13754b6f1dd6SJohannes Berg /* virtual monitor interface */ 13764b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 13774bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1378e9a21949SLuciano Coelho 1379e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1380e9a21949SLuciano Coelho u8 ext_capa[8]; 1381f0706e82SJiri Benc }; 1382f0706e82SJiri Benc 13833e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 13843e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 13853e122be0SJohannes Berg { 13863e122be0SJohannes Berg return netdev_priv(dev); 13873e122be0SJohannes Berg } 13883e122be0SJohannes Berg 138971bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 139071bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 139171bbc994SJohannes Berg { 139271bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 139371bbc994SJohannes Berg } 139471bbc994SJohannes Berg 1395c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1396eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1397eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1398eadc8d9eSRon Rindjunsky u16 tid; 1399eadc8d9eSRon Rindjunsky }; 1400eadc8d9eSRon Rindjunsky 1401c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1402c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1403c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1404c0f17eb9SChun-Yeow Yeoh u8 mode; 1405c0f17eb9SChun-Yeow Yeoh u8 count; 1406c0f17eb9SChun-Yeow Yeoh u8 ttl; 14073f718fd8SChun-Yeow Yeoh u16 pre_value; 1408c0f17eb9SChun-Yeow Yeoh }; 1409c0f17eb9SChun-Yeow Yeoh 1410dd76986bSJohannes Berg /* Parsed Information Elements */ 1411dd76986bSJohannes Berg struct ieee802_11_elems { 14124a3cb702SJohannes Berg const u8 *ie_start; 1413dd76986bSJohannes Berg size_t total_len; 1414dd76986bSJohannes Berg 1415dd76986bSJohannes Berg /* pointers to IEs */ 141653837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 141753837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 14189041c1faSArik Nemtsov const u8 *ext_capab; 14194a3cb702SJohannes Berg const u8 *ssid; 14204a3cb702SJohannes Berg const u8 *supp_rates; 14214a3cb702SJohannes Berg const u8 *ds_params; 14224a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 14234a3cb702SJohannes Berg const u8 *challenge; 14244a3cb702SJohannes Berg const u8 *rsn; 14254a3cb702SJohannes Berg const u8 *erp_info; 14264a3cb702SJohannes Berg const u8 *ext_supp_rates; 14274a3cb702SJohannes Berg const u8 *wmm_info; 14284a3cb702SJohannes Berg const u8 *wmm_param; 14294a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14304a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14314a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14324a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14334a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 14344a3cb702SJohannes Berg const u8 *mesh_id; 14354a3cb702SJohannes Berg const u8 *peering; 14364a3cb702SJohannes Berg const __le16 *awake_window; 14374a3cb702SJohannes Berg const u8 *preq; 14384a3cb702SJohannes Berg const u8 *prep; 14394a3cb702SJohannes Berg const u8 *perr; 14404a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14414a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1442b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1443b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 14444a3cb702SJohannes Berg const u8 *country_elem; 14454a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1446c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 144779ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 14484a3cb702SJohannes Berg const u8 *opmode_notif; 144985220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 14508f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1451dd76986bSJohannes Berg 1452dd76986bSJohannes Berg /* length of them, respectively */ 14539041c1faSArik Nemtsov u8 ext_capab_len; 1454dd76986bSJohannes Berg u8 ssid_len; 1455dd76986bSJohannes Berg u8 supp_rates_len; 1456dd76986bSJohannes Berg u8 tim_len; 1457dd76986bSJohannes Berg u8 challenge_len; 1458dd76986bSJohannes Berg u8 rsn_len; 1459dd76986bSJohannes Berg u8 ext_supp_rates_len; 1460dd76986bSJohannes Berg u8 wmm_info_len; 1461dd76986bSJohannes Berg u8 wmm_param_len; 1462dd76986bSJohannes Berg u8 mesh_id_len; 1463dd76986bSJohannes Berg u8 peering_len; 1464dd76986bSJohannes Berg u8 preq_len; 1465dd76986bSJohannes Berg u8 prep_len; 1466dd76986bSJohannes Berg u8 perr_len; 1467dd76986bSJohannes Berg u8 country_elem_len; 1468fcff4f10SPaul Stewart 1469fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1470fcff4f10SPaul Stewart bool parse_error; 1471dd76986bSJohannes Berg }; 1472dd76986bSJohannes Berg 1473f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1474f0706e82SJiri Benc struct ieee80211_hw *hw) 1475f0706e82SJiri Benc { 1476f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1477f0706e82SJiri Benc } 1478f0706e82SJiri Benc 1479f0706e82SJiri Benc 1480571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1481571ecf67SJohannes Berg { 1482b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1483571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1484571ecf67SJohannes Berg } 1485571ecf67SJohannes Berg 1486f4bda337SThomas Pedersen static inline bool 1487f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1488f4bda337SThomas Pedersen { 1489f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1490f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1491f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1492f4bda337SThomas Pedersen } 1493571ecf67SJohannes Berg 1494f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1495f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1496f4bda337SThomas Pedersen unsigned int mpdu_len, 1497f4bda337SThomas Pedersen unsigned int mpdu_offset); 1498e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 14995cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 15009c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 15019c6bd790SJohannes Berg u32 changed); 15020d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 150346900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1504f0706e82SJiri Benc 150546900298SJohannes Berg /* STA code */ 15069c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 150777fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 150877fdaa12SJohannes Berg struct cfg80211_auth_request *req); 150977fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 151077fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 151177fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 151263c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 151377fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 151463c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1515572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1516572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 151710f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1518ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 151910f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 152010f644a4SJohannes Berg unsigned long data, void *dummy); 15212b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 15221fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 15231fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15241fa57d01SJohannes Berg struct sk_buff *skb); 1525d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1526be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1527afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 15281672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 15291672c0e3SJohannes Berg __le16 fc, bool acked); 15301a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1531b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 153202219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 15339c6bd790SJohannes Berg 153446900298SJohannes Berg /* IBSS code */ 153546900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 153646900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 15378bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 15388bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1539af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1540af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1541af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 15421fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 15431fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15441fa57d01SJohannes Berg struct sk_buff *skb); 1545cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1546cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1547cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1548cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 15491fa57d01SJohannes Berg 1550239281f8SRostislav Lisovy /* OCB code */ 1551239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1552239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1553239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1554239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1555239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1556239281f8SRostislav Lisovy struct ocb_setup *setup); 1557239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1558239281f8SRostislav Lisovy 15591fa57d01SJohannes Berg /* mesh code */ 15601fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 15611fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15621fa57d01SJohannes Berg struct sk_buff *skb); 1563b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 156466e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1565b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 156646900298SJohannes Berg 15679c6bd790SJohannes Berg /* scan/BSS handling */ 156846900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 156934bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1570be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 15717ca15a0aSSimon Wunderlich struct ieee80211_channel *chan, 15727ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1573c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 15742a519311SJohannes Berg struct cfg80211_scan_request *req); 15755bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1576133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1577d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 15789c6bd790SJohannes Berg 15790a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1580c2b13452SJohannes Berg struct ieee80211_bss * 158198c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 158298c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 158398c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 158498c8fccfSJohannes Berg size_t len, 158598c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1586d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 158798c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1588c2b13452SJohannes Berg struct ieee80211_bss *bss); 1589ee385855SLuis Carlos Cobo 159079f460caSLuciano Coelho /* scheduled scan handling */ 1591d43c6b6eSDavid Spinadel int 1592d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1593d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 159479f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 159579f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 159685a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 1597f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 159885a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 159979f460caSLuciano Coelho 1600b203ffc3SJouni Malinen /* off-channel helpers */ 1601aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1602aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 16032eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 16042eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1605c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1606c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 16073fbd45caSJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); 16082eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 16092eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1610b203ffc3SJouni Malinen 161173da7d5bSSimon Wunderlich /* channel switch handling */ 161273da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 161382a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 161482a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 161573da7d5bSSimon Wunderlich 16163e122be0SJohannes Berg /* interface handling */ 161747846c9bSJohannes Berg int ieee80211_iface_init(void); 161847846c9bSJohannes Berg void ieee80211_iface_exit(void); 16193e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 162084efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1621ee385855SLuis Carlos Cobo struct vif_params *params); 1622f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 162305c914feSJohannes Berg enum nl80211_iftype type); 1624f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 162575636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1626382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 16275cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 162885416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 162985416a4fSChristian Lamparter const int offset); 1630f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1631f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 16323c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 16333c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1634f0706e82SJiri Benc 16351ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1636db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1637db82d8a9SLorenzo Bianconi bool update_bss); 16381ea6f9c0SJohannes Berg 16399607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 16409607e6b6SJohannes Berg { 164134d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 16429607e6b6SJohannes Berg } 16439607e6b6SJohannes Berg 1644e2ebc74dSJohannes Berg /* tx handling */ 1645e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1646e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1647d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1648d0cf9c0dSStephen Hemminger struct net_device *dev); 1649d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1650d0cf9c0dSStephen Hemminger struct net_device *dev); 165124d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 165224d342c5SLiad Kaufman struct net_device *dev, 165324d342c5SLiad Kaufman u32 info_flags); 16541f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 16551f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 16567528ec57SJohannes Berg struct sk_buff * 16577528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 16587528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 1659e2ebc74dSJohannes Berg 1660de1ede7aSJohannes Berg /* HT */ 1661ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1662ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1663e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1664ef96a842SBen Greear struct ieee80211_supported_band *sband, 16654a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1666e1a0c6b3SJohannes Berg struct sta_info *sta); 1667b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1668b8695a8fSJohannes Berg const u8 *da, u16 tid, 1669b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 16700f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 16710f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 16720f78231bSJohannes Berg const u8 *bssid); 1673687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1674687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1675687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1676687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1677de1ede7aSJohannes Berg 16787c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 167953f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1680849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 168153f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 168208cf42e8SMichal Kazior void __ieee80211_start_rx_ba_session(struct sta_info *sta, 168308cf42e8SMichal Kazior u8 dialog_token, u16 timeout, 168408cf42e8SMichal Kazior u16 start_seq_num, u16 ba_policy, u16 tid, 16854549cf2bSMichal Kazior u16 buf_size, bool tx, bool auto_seq); 1686c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1687c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1688de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1689de1ede7aSJohannes Berg struct sta_info *sta, 1690de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1691de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1692de1ede7aSJohannes Berg struct sta_info *sta, 1693de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1694de1ede7aSJohannes Berg size_t len); 1695de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1696de1ede7aSJohannes Berg struct sta_info *sta, 1697de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1698de1ede7aSJohannes Berg size_t len); 1699de1ede7aSJohannes Berg 1700849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1701c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 170267c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1703c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 17045d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 17055d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 170667c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 170767c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 17082bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1709849b7967SJohannes Berg 171004ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 171104ecd257SJohannes Berg 1712818255eaSMahesh Palivela /* VHT */ 17134a3cb702SJohannes Berg void 17144a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1715818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 17164a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 17174a34215eSJohannes Berg struct sta_info *sta); 17181c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1719e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 17208921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 1721b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1722b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 1723b1bce14aSMarek Kwaczynski enum ieee80211_band band, bool nss_only); 17240af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 17250af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1726bee7f586SJohannes Berg enum ieee80211_band band, bool nss_only); 1727dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1728dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 17294a34215eSJohannes Berg 173039192c0bSJohannes Berg /* Spectrum management */ 173139192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 173239192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 173339192c0bSJohannes Berg size_t len); 1734e6b7cde4SSimon Wunderlich /** 1735e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1736e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1737e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1738e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1739e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1740e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1741e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1742e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1743e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1744e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1745e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1746c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1747c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1748e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1749e6b7cde4SSimon Wunderlich */ 1750e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 175184469a45SLuciano Coelho struct ieee802_11_elems *elems, 1752e6b7cde4SSimon Wunderlich enum ieee80211_band current_band, 1753c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1754c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 175539192c0bSJohannes Berg 1756f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1757f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 175884f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1759f2753ddbSJohannes Berg 1760eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1761eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1762f2753ddbSJohannes Berg 1763f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1764f2753ddbSJohannes Berg { 176585f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 176685f72bc8SJohn W. Linville 17679120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 17689120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 176985f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 177085f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 177185f72bc8SJohn W. Linville 1772f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1773f2753ddbSJohannes Berg } 1774665af4fcSBob Copeland 1775c2d1560aSJohannes Berg /* utility functions/constants */ 17768a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 177771364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 177805c914feSJohannes Berg enum nl80211_iftype type); 17794ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1780438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1781438b61b7SSimon Wunderlich int shift); 1782f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1783e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1784e6d6e342SJohannes Berg gfp_t gfp); 17853abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 17863abead59SJohannes Berg bool bss_notify); 178773c4e195SJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 1788cf6bb79aSHelmut Schaa 178955de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 179055de908aSJohannes Berg struct sk_buff *skb, int tid, 179155de908aSJohannes Berg enum ieee80211_band band); 179255de908aSJohannes Berg 179355de908aSJohannes Berg static inline void 179455de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 179555de908aSJohannes Berg struct sk_buff *skb, int tid, 179655de908aSJohannes Berg enum ieee80211_band band) 179755de908aSJohannes Berg { 179855de908aSJohannes Berg rcu_read_lock(); 179955de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 180055de908aSJohannes Berg rcu_read_unlock(); 180155de908aSJohannes Berg } 180255de908aSJohannes Berg 180355de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 180455de908aSJohannes Berg struct sk_buff *skb, int tid) 180555de908aSJohannes Berg { 180655de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 180755de908aSJohannes Berg 180855de908aSJohannes Berg rcu_read_lock(); 180955de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 181055de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 181155de908aSJohannes Berg rcu_read_unlock(); 181255de908aSJohannes Berg kfree_skb(skb); 181355de908aSJohannes Berg return; 181455de908aSJohannes Berg } 181555de908aSJohannes Berg 181655de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 18174bf88530SJohannes Berg chanctx_conf->def.chan->band); 181855de908aSJohannes Berg rcu_read_unlock(); 181955de908aSJohannes Berg } 182055de908aSJohannes Berg 182155de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1822cf6bb79aSHelmut Schaa struct sk_buff *skb) 1823cf6bb79aSHelmut Schaa { 1824cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1825cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1826cf6bb79aSHelmut Schaa } 1827cf6bb79aSHelmut Schaa 182835d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1829d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1830d91f36dbSJohannes Berg u64 filter, u32 crc); 183135d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 183235d865afSJohannes Berg bool action, 1833ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1834ddc4db2eSJohannes Berg { 1835b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1836ddc4db2eSJohannes Berg } 1837ddc4db2eSJohannes Berg 183883eb935eSMichal Kazior static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head *frames) 183983eb935eSMichal Kazior { 184083eb935eSMichal Kazior struct sk_buff *tail = skb_peek_tail(frames); 184183eb935eSMichal Kazior struct ieee80211_rx_status *status; 184283eb935eSMichal Kazior 184383eb935eSMichal Kazior if (!tail) 184483eb935eSMichal Kazior return false; 184583eb935eSMichal Kazior 184683eb935eSMichal Kazior status = IEEE80211_SKB_RXCB(tail); 184783eb935eSMichal Kazior if (status->flag & RX_FLAG_AMSDU_MORE) 184883eb935eSMichal Kazior return false; 184983eb935eSMichal Kazior 185083eb935eSMichal Kazior return true; 185183eb935eSMichal Kazior } 185283eb935eSMichal Kazior 185302219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 185402219b3aSJohannes Berg 185502219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 185602219b3aSJohannes Berg { 185702219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 185802219b3aSJohannes Berg } 185902219b3aSJohannes Berg 1860520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1861520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1862520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1863a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1864a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1865a97b77b9SVivek Natarajan int powersave); 18663cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 18673cf335d5SKalle Valo struct ieee80211_hdr *hdr); 18684e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 186902219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 1870520eb820SKalle Valo 1871ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1872445ea4e8SJohannes Berg unsigned long queues, 1873cca07b00SLuciano Coelho enum queue_stop_reason reason, 1874cca07b00SLuciano Coelho bool refcounted); 187526da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 187626da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 187726da23b6SLuciano Coelho enum queue_stop_reason reason); 187826da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 187926da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 188026da23b6SLuciano Coelho enum queue_stop_reason reason); 1881ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1882445ea4e8SJohannes Berg unsigned long queues, 1883cca07b00SLuciano Coelho enum queue_stop_reason reason, 1884cca07b00SLuciano Coelho bool refcounted); 188596f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 1886cca07b00SLuciano Coelho enum queue_stop_reason reason, 1887cca07b00SLuciano Coelho bool refcounted); 188896f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 1889cca07b00SLuciano Coelho enum queue_stop_reason reason, 1890cca07b00SLuciano Coelho bool refcounted); 18913a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 18928f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 18938f77f384SJohannes Berg struct sk_buff *skb); 1894e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 1895e3685e03SJohannes Berg struct sk_buff_head *skbs); 189639ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 18973b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 18984f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 18994f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 19003b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 1901ce7c9111SKalle Valo 19024afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 19034afaff17SEmmanuel Grumbach { 19044afaff17SEmmanuel Grumbach /* 19054afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 19064afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 19074afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 19084afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 19094afaff17SEmmanuel Grumbach */ 19104afaff17SEmmanuel Grumbach if (local->quiescing) 19114afaff17SEmmanuel Grumbach return false; 19124afaff17SEmmanuel Grumbach 19134afaff17SEmmanuel Grumbach /* 19144afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 19154afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 19164afaff17SEmmanuel Grumbach * 19174afaff17SEmmanuel Grumbach * if (local->quiescing) 19184afaff17SEmmanuel Grumbach * return; 19194afaff17SEmmanuel Grumbach * local->quiescing = true; 19204afaff17SEmmanuel Grumbach * flush_workqueue(); 19214afaff17SEmmanuel Grumbach * queue_work(...); 19224afaff17SEmmanuel Grumbach * local->suspended = true; 19234afaff17SEmmanuel Grumbach * local->quiescing = false; 19244afaff17SEmmanuel Grumbach * worker starts running... 19254afaff17SEmmanuel Grumbach */ 19264afaff17SEmmanuel Grumbach if (local->suspended) 19274afaff17SEmmanuel Grumbach return false; 19284afaff17SEmmanuel Grumbach 19294afaff17SEmmanuel Grumbach return true; 19304afaff17SEmmanuel Grumbach } 19314afaff17SEmmanuel Grumbach 193246900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1933700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 19344a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 19351672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 19361672c0e3SJohannes Berg u32 tx_flags); 19376ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 19386ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 19396ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1940de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1941c56ef672SDavid Spinadel size_t buffer_len, 1942c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 1943c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 1944c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 19452103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 1946a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 1947a344d677SJohannes Berg const u8 *src, const u8 *dst, 1948a344d677SJohannes Berg u32 ratemask, 19496b77863bSJohannes Berg struct ieee80211_channel *chan, 1950a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1951a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1952a806c558SPaul Stewart bool directed); 1953a344d677SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, 1954a344d677SJohannes Berg const u8 *src, const u8 *dst, 1955de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1956a806c558SPaul Stewart const u8 *ie, size_t ie_len, 19571672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 195855de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 195946900298SJohannes Berg 19602103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 196146900298SJohannes Berg struct ieee802_11_elems *elems, 19629ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 1963687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 1964687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 1965687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 19660f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 196704ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 196821f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 196946900298SJohannes Berg 19708ed28747SJohannes Berg size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen, 19718ed28747SJohannes Berg const u8 *ids, int n_ids, 19728ed28747SJohannes Berg const u8 *after_ric, int n_after_ric, 19738ed28747SJohannes Berg size_t offset); 19748e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1975ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 197642e7aa77SAlexander Simon u16 cap); 1977074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 19784bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1979431e3154SAshok Nagarajan u16 prot_mode); 1980ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1981ba0afa2fSMahesh Palivela u32 cap); 19822103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 19832103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 19842103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 1985fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 19866b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19876b77863bSJohannes Berg enum ieee80211_band band); 1988fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 19896b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19906b77863bSJohannes Berg enum ieee80211_band band); 199140b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 19928e664fb3SJohannes Berg 1993f444de05SJohannes Berg /* channel management */ 19944bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 19954a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_oper, 19964bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1997e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 1998f444de05SJohannes Berg 1999d01a1e65SMichal Kazior int __must_check 2000d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 20014bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2002d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 20032c9b7359SJohannes Berg int __must_check 200411335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 200511335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 200609332481SMichal Kazior enum ieee80211_chanctx_mode mode, 200709332481SMichal Kazior bool radar_required); 200811335a55SLuciano Coelho int __must_check 20095bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 201011335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 201111335a55SLuciano Coelho 201211335a55SLuciano Coelho int __must_check 20132c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 20142c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 20152c9b7359SJohannes Berg u32 *changed); 2016d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 20174d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 20181f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 20191f4ac5a6SJohannes Berg bool clear); 2020c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2021c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2022d01a1e65SMichal Kazior 202304ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 202404ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 202521f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 202621f659bfSEliad Peller struct ieee80211_chanctx *ctx); 20275cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2028164eb02dSSimon Wunderlich 2029164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2030164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2031164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2032164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2033c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2034c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 203504ecd257SJohannes Berg 20362475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 20372475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 20382475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 20392475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 20402475b1ccSMax Stepanov enum nl80211_iftype iftype); 20412475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 20422475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 20432475b1ccSMax Stepanov enum nl80211_iftype iftype); 2044057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2045057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 204673de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 204773de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 204873de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 204973de86a3SLuciano Coelho u8 radar_detect); 20506fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 20512475b1ccSMax Stepanov 205295224fe8SArik Nemtsov /* TDLS */ 205395224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 20543b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 205595224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 205631fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 205731fa97c5SArik Nemtsov size_t extra_ies_len); 205895224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 20593b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2060c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2061a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2062a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2063a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2064a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2065a7a6bdd0SArik Nemtsov struct net_device *dev, 2066a7a6bdd0SArik Nemtsov const u8 *addr); 20678a4d32f3SArik Nemtsov void ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata, 20688a4d32f3SArik Nemtsov struct sk_buff *skb); 206995224fe8SArik Nemtsov 2070b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2071b7ffbd7eSJohannes Berg 2072f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2073d9e8a70fSJohannes Berg #define debug_noinline noinline 2074d9e8a70fSJohannes Berg #else 2075d9e8a70fSJohannes Berg #define debug_noinline 2076d9e8a70fSJohannes Berg #endif 2077d9e8a70fSJohannes Berg 2078f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2079