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> 297bedd0cfSJohannes Berg #include <linux/rhashtable.h> 30fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 3193da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3251cb6db0SDavid S. Miller #include <net/mac80211.h> 332c8dccc7SJohannes Berg #include "key.h" 34f0706e82SJiri Benc #include "sta_info.h" 35bdcbd8e0SJohannes Berg #include "debug.h" 36f0706e82SJiri Benc 379cfb0009SJohannes Berg struct ieee80211_local; 38f0706e82SJiri Benc 39f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 40f0706e82SJiri Benc * associated stations are using power saving. */ 41f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 42f0706e82SJiri Benc 43f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 44f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 45f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 46f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 47f0706e82SJiri Benc 48f0706e82SJiri Benc /* Required encryption head and tailroom */ 49f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 50765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 51f0706e82SJiri Benc 52f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 53f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 54f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 55f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 56f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 57f0706e82SJiri Benc 581ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 591ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 601ea6f9c0SJohannes Berg 61d6a4ed6fSArik Nemtsov /* 62aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 63aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 64aa75ebc2SMichal Kazior * enough. 65aa75ebc2SMichal Kazior * 66aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 67aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 68aa75ebc2SMichal Kazior * 69aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 70aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 71aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 72aa75ebc2SMichal Kazior * accidentally after a long time. 73aa75ebc2SMichal Kazior * 74aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 75aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 76aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 77aa75ebc2SMichal Kazior * frame support doesn't make much sense. 78d6a4ed6fSArik Nemtsov */ 79aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 80ab13315aSKalle Valo 81ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 82ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 83ab13315aSKalle Valo 846ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 856ae16775SAntonio Quartulli 86f0706e82SJiri Benc struct ieee80211_fragment_entry { 87f0706e82SJiri Benc struct sk_buff_head skb_list; 8869f13223SJohannes Berg unsigned long first_frag_time; 8969f13223SJohannes Berg u16 seq; 9069f13223SJohannes Berg u16 extra_len; 9169f13223SJohannes Berg u16 last_frag; 9269f13223SJohannes Berg u8 rx_queue; 9369f13223SJohannes Berg bool ccmp; /* Whether fragments were encrypted with CCMP */ 94f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 95f0706e82SJiri Benc }; 96f0706e82SJiri Benc 97f0706e82SJiri Benc 98c2b13452SJohannes Berg struct ieee80211_bss { 99ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 1008c358bcdSJohannes Berg 10143ac2ca3SJouni Malinen bool wmm_used; 102ab13315aSKalle Valo bool uapsd_supported; 10300d3f14cSJohannes Berg 104f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 105f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 106f0706e82SJiri Benc size_t supp_rates_len; 107817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 108f0706e82SJiri Benc 10900d3f14cSJohannes Berg /* 11025985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1115628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1125628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11300d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11400d3f14cSJohannes Berg */ 11500d3f14cSJohannes Berg bool has_erp_value; 1165628221cSDaniel Drake u8 erp_value; 117fcff4f10SPaul Stewart 118fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 119fcff4f10SPaul Stewart u8 corrupt_data; 120fcff4f10SPaul Stewart 121fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 122fcff4f10SPaul Stewart u8 valid_data; 123fcff4f10SPaul Stewart }; 124fcff4f10SPaul Stewart 125fcff4f10SPaul Stewart /** 126fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 127fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 128fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 129fcff4f10SPaul Stewart * 130fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 131fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 132fcff4f10SPaul Stewart */ 133fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 134fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 135fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 136fcff4f10SPaul Stewart }; 137fcff4f10SPaul Stewart 138fcff4f10SPaul Stewart /** 139fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 140fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 141fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 142fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 143fcff4f10SPaul Stewart * 144fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 145fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 146d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 147fcff4f10SPaul Stewart * beacon/probe response. 148fcff4f10SPaul Stewart */ 149fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 150fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 151fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 152fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 153f0706e82SJiri Benc }; 154f0706e82SJiri Benc 1559ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1569ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1579ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1589ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1599ae54c84SJohannes Berg 1605cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1615cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1629ae54c84SJohannes Berg 1635cf121c3SJohannes Berg struct ieee80211_tx_data { 164f0706e82SJiri Benc struct sk_buff *skb; 165252b86c4SJohannes Berg struct sk_buff_head skbs; 166f0706e82SJiri Benc struct ieee80211_local *local; 167f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 168f0706e82SJiri Benc struct sta_info *sta; 169f0706e82SJiri Benc struct ieee80211_key *key; 1700d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1715cf121c3SJohannes Berg 172056cdd59SJohannes Berg unsigned int flags; 1735cf121c3SJohannes Berg }; 1745cf121c3SJohannes Berg 1755cf121c3SJohannes Berg 1765cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1775cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1785cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1795cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1805cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1815cf121c3SJohannes Berg 182554891e6SJohannes Berg /** 183554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 184554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 185554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1864cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 187554891e6SJohannes Berg * 188554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 189554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 190554891e6SJohannes Berg */ 191554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 192554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 193554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1944cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 195554891e6SJohannes Berg }; 196554891e6SJohannes Berg 197554891e6SJohannes Berg /** 198554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 199554891e6SJohannes Berg * 200554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 201ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 202ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 203554891e6SJohannes Berg * 204554891e6SJohannes Berg * These flags are used across handling multiple interfaces 205554891e6SJohannes Berg * for a single frame. 206554891e6SJohannes Berg */ 207554891e6SJohannes Berg enum ieee80211_rx_flags { 208554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 209ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 210554891e6SJohannes Berg }; 2115cf121c3SJohannes Berg 2125cf121c3SJohannes Berg struct ieee80211_rx_data { 213af9f9b22SJohannes Berg struct napi_struct *napi; 2145cf121c3SJohannes Berg struct sk_buff *skb; 2155cf121c3SJohannes Berg struct ieee80211_local *local; 2165cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2175cf121c3SJohannes Berg struct sta_info *sta; 2185cf121c3SJohannes Berg struct ieee80211_key *key; 219056cdd59SJohannes Berg 220056cdd59SJohannes Berg unsigned int flags; 2219e26297aSJohannes Berg 2229e26297aSJohannes Berg /* 2239e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2249e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2259e26297aSJohannes Berg * will be 16 on non-QoS frames. 2269e26297aSJohannes Berg */ 2279e26297aSJohannes Berg int seqno_idx; 2289e26297aSJohannes Berg 2299e26297aSJohannes Berg /* 2309e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2319e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2329e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2339e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2349e26297aSJohannes Berg */ 2359e26297aSJohannes Berg int security_idx; 2369e26297aSJohannes Berg 23750741ae0SJohannes Berg u32 tkip_iv32; 23850741ae0SJohannes Berg u16 tkip_iv16; 239f0706e82SJiri Benc }; 240f0706e82SJiri Benc 241af296bdbSMichal Kazior struct ieee80211_csa_settings { 242af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 243af296bdbSMichal Kazior const u16 *counter_offsets_presp; 244af296bdbSMichal Kazior 245af296bdbSMichal Kazior int n_counter_offsets_beacon; 246af296bdbSMichal Kazior int n_counter_offsets_presp; 247af296bdbSMichal Kazior 248af296bdbSMichal Kazior u8 count; 249af296bdbSMichal Kazior }; 250af296bdbSMichal Kazior 2515dfdaf58SJohannes Berg struct beacon_data { 2525dfdaf58SJohannes Berg u8 *head, *tail; 2535dfdaf58SJohannes Berg int head_len, tail_len; 25443552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 255af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 256af296bdbSMichal Kazior u8 csa_current_counter; 2578860020eSJohannes Berg struct rcu_head rcu_head; 2585dfdaf58SJohannes Berg }; 2595dfdaf58SJohannes Berg 260aa7a0080SEyal Shapira struct probe_resp { 261aa7a0080SEyal Shapira struct rcu_head rcu_head; 262aa7a0080SEyal Shapira int len; 263af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 264aa7a0080SEyal Shapira u8 data[0]; 265aa7a0080SEyal Shapira }; 266aa7a0080SEyal Shapira 267d012a605SMarco Porsch struct ps_data { 268d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 269d012a605SMarco Porsch * bitmap_empty :) 270d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2715fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2725fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 273d012a605SMarco Porsch struct sk_buff_head bc_buf; 274d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 275d012a605SMarco Porsch int dtim_count; 276d012a605SMarco Porsch bool dtim_bc_mc; 277d012a605SMarco Porsch }; 278d012a605SMarco Porsch 279f0706e82SJiri Benc struct ieee80211_if_ap { 28040b275b6SJohannes Berg struct beacon_data __rcu *beacon; 281aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 282f0706e82SJiri Benc 28373da7d5bSSimon Wunderlich /* to be used after channel switch. */ 28473da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2854e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2860ec3ca44SJohannes Berg 287d012a605SMarco Porsch struct ps_data ps; 288030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 289687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 290687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 291687da132SEmmanuel Grumbach 292687da132SEmmanuel Grumbach struct work_struct request_smps_work; 293f0706e82SJiri Benc }; 294f0706e82SJiri Benc 295f0706e82SJiri Benc struct ieee80211_if_wds { 296f0706e82SJiri Benc struct sta_info *sta; 297056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 298f0706e82SJiri Benc }; 299f0706e82SJiri Benc 300f0706e82SJiri Benc struct ieee80211_if_vlan { 3014e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 302f14543eeSFelix Fietkau 303f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 30440b275b6SJohannes Berg struct sta_info __rcu *sta; 305f0706e82SJiri Benc }; 306f0706e82SJiri Benc 307ee385855SLuis Carlos Cobo struct mesh_stats { 308c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 309c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 310c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 311ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 312ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 313cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 314ee385855SLuis Carlos Cobo }; 315ee385855SLuis Carlos Cobo 316ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 317ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 318ee385855SLuis Carlos Cobo struct mesh_preq_queue { 319ee385855SLuis Carlos Cobo struct list_head list; 320ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 321ee385855SLuis Carlos Cobo u8 flags; 322ee385855SLuis Carlos Cobo }; 323ee385855SLuis Carlos Cobo 3242eb278e0SJohannes Berg struct ieee80211_roc_work { 32577fdaa12SJohannes Berg struct list_head list; 3262eb278e0SJohannes Berg struct list_head dependents; 327f679f65dSJohannes Berg 3282eb278e0SJohannes Berg struct delayed_work work; 329af6b6374SJohannes Berg 330af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 331af6b6374SJohannes Berg 332f679f65dSJohannes Berg struct ieee80211_channel *chan; 333af6b6374SJohannes Berg 3342eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 3353fbd45caSJohannes Berg bool to_be_freed; 336b4b177a5SJohannes Berg bool on_channel; 337f679f65dSJohannes Berg 3382eb278e0SJohannes Berg unsigned long hw_start_time; 339e4da8c37SJohannes Berg 3402eb278e0SJohannes Berg u32 duration, req_duration; 341f30221e4SJohannes Berg struct sk_buff *frame; 34250febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 343d339d5caSIlan Peer enum ieee80211_roc_type type; 34477fdaa12SJohannes Berg }; 34577fdaa12SJohannes Berg 34646900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 347ab1faeadSJohannes Berg enum ieee80211_sta_flags { 348b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 349b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 350a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 351b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 352ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 353375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35417e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 35524398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 356d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 357f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 358f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 359095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 360cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 361ab1faeadSJohannes Berg }; 362ab1faeadSJohannes Berg 36366e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 36466e67e41SJohannes Berg struct cfg80211_bss *bss; 36566e67e41SJohannes Berg unsigned long timeout; 36666e67e41SJohannes Berg int tries; 36766e67e41SJohannes Berg u16 algorithm, expected_transaction; 36866e67e41SJohannes Berg 36966e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37066e67e41SJohannes Berg u8 key_len, key_idx; 37166e67e41SJohannes Berg bool done; 37289afe614SJohannes Berg bool timeout_started; 37366e67e41SJohannes Berg 3746b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3756b8ece3aSJouni Malinen size_t data_len; 3766b8ece3aSJouni Malinen u8 data[]; 37766e67e41SJohannes Berg }; 37866e67e41SJohannes Berg 37966e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38066e67e41SJohannes Berg struct cfg80211_bss *bss; 38166e67e41SJohannes Berg const u8 *supp_rates; 38266e67e41SJohannes Berg 38366e67e41SJohannes Berg unsigned long timeout; 38466e67e41SJohannes Berg int tries; 38566e67e41SJohannes Berg 38666e67e41SJohannes Berg u16 capability; 38766e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 38866e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 38966e67e41SJohannes Berg u8 ssid_len; 39066e67e41SJohannes Berg u8 supp_rates_len; 39176f0303dSJohannes Berg bool wmm, uapsd; 392989c6505SAlexander Bondar bool need_beacon; 39366e67e41SJohannes Berg bool synced; 39489afe614SJohannes Berg bool timeout_started; 39566e67e41SJohannes Berg 3969dde6423SJohannes Berg u8 ap_ht_param; 3979dde6423SJohannes Berg 398b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 399b08fbbd8SJohannes Berg 40066e67e41SJohannes Berg size_t ie_len; 40166e67e41SJohannes Berg u8 ie[]; 40266e67e41SJohannes Berg }; 40366e67e41SJohannes Berg 40402219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 40502219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 40602219b3aSJohannes Berg unsigned long time_slice_start; 40702219b3aSJohannes Berg 40802219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 40902219b3aSJohannes Berg u8 tsid; 41002219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 41102219b3aSJohannes Berg 41202219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 41302219b3aSJohannes Berg u32 consumed_tx_time; 41402219b3aSJohannes Berg enum { 41502219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 41602219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 41702219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 41802219b3aSJohannes Berg } action; 41902219b3aSJohannes Berg bool downgraded; 42002219b3aSJohannes Berg }; 42102219b3aSJohannes Berg 422338c17aeSJohannes Berg DECLARE_EWMA(beacon_signal, 16, 4) 423338c17aeSJohannes Berg 42446900298SJohannes Berg struct ieee80211_if_managed { 425056cdd59SJohannes Berg struct timer_list timer; 426b291ba11SJohannes Berg struct timer_list conn_mon_timer; 427b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 428c481ec97SSujith struct timer_list chswitch_timer; 429b291ba11SJohannes Berg struct work_struct monitor_work; 430c481ec97SSujith struct work_struct chswitch_work; 4311e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 432882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 43346900298SJohannes Berg 4347ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 435b291ba11SJohannes Berg unsigned long probe_timeout; 436a43abf29SMaxim Levitsky int probe_send_count; 43704ac3c0eSFelix Fietkau bool nullfunc_failed; 438682bd38bSJohannes Berg bool connection_loss; 439b291ba11SJohannes Berg 4400c1ad2caSJohannes Berg struct cfg80211_bss *associated; 44166e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 44266e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 44346900298SJohannes Berg 44477fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 44546900298SJohannes Berg 446f0706e82SJiri Benc u16 aid; 447f0706e82SJiri Benc 448965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 44905cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 450989c6505SAlexander Bondar bool have_beacon; 451826262c3SJohannes Berg u8 dtim_period; 4520f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 453d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 454d1f5b7a3SJohannes Berg 455d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 456965bedadSJohannes Berg 457d6f2da5bSJiri Slaby unsigned int flags; 458f0706e82SJiri Benc 4590c21e632SLuciano Coelho bool csa_waiting_bcn; 460f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4610c21e632SLuciano Coelho 462d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 463d91f36dbSJohannes Berg u32 beacon_crc; 464d91f36dbSJohannes Berg 4651672c0e3SJohannes Berg bool status_acked; 4661672c0e3SJohannes Berg bool status_received; 4671672c0e3SJohannes Berg __le16 status_fc; 4681672c0e3SJohannes Berg 469fdfacf0aSJouni Malinen enum { 470fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 471fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 472fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 473fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 474fdfacf0aSJouni Malinen 475dc41e4d4SEliad Peller /* 476dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 477dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 478dc41e4d4SEliad Peller * to take effect. 479dc41e4d4SEliad Peller */ 480dc41e4d4SEliad Peller unsigned int uapsd_queues; 481dc41e4d4SEliad Peller 482dc41e4d4SEliad Peller /* 483dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 484dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 485dc41e4d4SEliad Peller * Needs a new association to take effect. 486dc41e4d4SEliad Peller */ 487dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 488dc41e4d4SEliad Peller 489f0706e82SJiri Benc int wmm_last_param_set; 4909bc383deSJohannes Berg 4919bc383deSJohannes Berg u8 use_4addr; 49217e4ec14SJouni Malinen 49367baf663SJanusz Dziedzic s16 p2p_noa_index; 494488dd7b5SJohannes Berg 495338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 49617e4ec14SJouni Malinen 49717e4ec14SJouni Malinen /* 498391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 499391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 500391a200aSJouni Malinen * only on couple of received frames. 501391a200aSJouni Malinen */ 502391a200aSJouni Malinen unsigned int count_beacon_signal; 503391a200aSJouni Malinen 504391a200aSJouni Malinen /* 50517e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 50617e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 50717e4ec14SJouni Malinen * generated for the current association. 50817e4ec14SJouni Malinen */ 50917e4ec14SJouni Malinen int last_cqm_event_signal; 510615f7b9bSMeenakshi Venkataraman 511615f7b9bSMeenakshi Venkataraman /* 512615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 513615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 514615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 515615f7b9bSMeenakshi Venkataraman */ 516615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 517615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 518ef96a842SBen Greear 519ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 520ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 521dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 522dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 52381dd2b88SArik Nemtsov 5241277b4a9SLiad Kaufman /* TDLS support */ 52581dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 52681dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5271277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5281277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5291277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5309041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 53182c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 53202219b3aSJohannes Berg 53302219b3aSJohannes Berg /* WMM-AC TSPEC support */ 53402219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 53502219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 53602219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 53702219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 53802219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 53902219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 54002219b3aSJohannes Berg */ 54102219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 542f0706e82SJiri Benc }; 543f0706e82SJiri Benc 54446900298SJohannes Berg struct ieee80211_if_ibss { 54546900298SJohannes Berg struct timer_list timer; 546cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 54746900298SJohannes Berg 548af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5495bb644a0SJohannes Berg 550fbd2c8dcSTeemu Paasikivi u32 basic_rates; 551fbd2c8dcSTeemu Paasikivi 552af8cdcd8SJohannes Berg bool fixed_bssid; 553af8cdcd8SJohannes Berg bool fixed_channel; 554fffd0934SJohannes Berg bool privacy; 55546900298SJohannes Berg 556267335d6SAntonio Quartulli bool control_port; 5578e8d347dSSimon Wunderlich bool userspace_handles_dfs; 558267335d6SAntonio Quartulli 5594d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 560af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 561af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 562af8cdcd8SJohannes Berg u8 *ie; 5633aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 56446900298SJohannes Berg 56546900298SJohannes Berg unsigned long ibss_join_req; 566af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 567c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 56846900298SJohannes Berg 569822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 570822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 571822854b0SSimon Wunderlich 5728bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5738bf11d8dSJohannes Berg struct list_head incomplete_stations; 5748bf11d8dSJohannes Berg 57546900298SJohannes Berg enum { 57646900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 57746900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 57846900298SJohannes Berg } state; 57946900298SJohannes Berg }; 58046900298SJohannes Berg 581dbf498fbSJavier Cardona /** 582239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 583239281f8SRostislav Lisovy * 584239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 585239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 586239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 587239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 588239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 589239281f8SRostislav Lisovy */ 590239281f8SRostislav Lisovy struct ieee80211_if_ocb { 591239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 592239281f8SRostislav Lisovy unsigned long wrkq_flags; 593239281f8SRostislav Lisovy 594239281f8SRostislav Lisovy spinlock_t incomplete_lock; 595239281f8SRostislav Lisovy struct list_head incomplete_stations; 596239281f8SRostislav Lisovy 597239281f8SRostislav Lisovy bool joined; 598239281f8SRostislav Lisovy }; 599239281f8SRostislav Lisovy 600239281f8SRostislav Lisovy /** 601dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 602dbf498fbSJavier Cardona * 603dbf498fbSJavier Cardona * these declarations define the interface, which enables 604dbf498fbSJavier Cardona * vendor-specific mesh synchronization 605dbf498fbSJavier Cardona * 606dbf498fbSJavier Cardona */ 607dbf498fbSJavier Cardona struct ieee802_11_elems; 608dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 609dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 610dbf498fbSJavier Cardona u16 stype, 611dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 612dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 613dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 61443552be1SThomas Pedersen 61543552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 61643552be1SThomas Pedersen void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata, 61743552be1SThomas Pedersen struct beacon_data *beacon); 618dbf498fbSJavier Cardona /* add other framework functions here */ 619dbf498fbSJavier Cardona }; 620dbf498fbSJavier Cardona 621b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 622b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 623b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 624b8456a14SChun-Yeow Yeoh }; 625b8456a14SChun-Yeow Yeoh 626472dbc45SJohannes Berg struct ieee80211_if_mesh { 627472dbc45SJohannes Berg struct timer_list housekeeping_timer; 628472dbc45SJohannes Berg struct timer_list mesh_path_timer; 629e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 630472dbc45SJohannes Berg 63118889231SJavier Cardona unsigned long wrkq_flags; 632f81a9dedSThomas Pedersen unsigned long mbss_changed; 633472dbc45SJohannes Berg 634472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 635472dbc45SJohannes Berg size_t mesh_id_len; 636472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6373491707aSRui Paulo u8 mesh_pp_id; 638472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6393491707aSRui Paulo u8 mesh_pm_id; 640472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6413491707aSRui Paulo u8 mesh_cc_id; 6429e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6433491707aSRui Paulo u8 mesh_sp_id; 6449e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6453491707aSRui Paulo u8 mesh_auth_id; 646d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 647d19b3bf6SRui Paulo u32 sn; 648472dbc45SJohannes Berg /* Last used PREQ ID */ 649472dbc45SJohannes Berg u32 preq_id; 650472dbc45SJohannes Berg atomic_t mpaths; 651d19b3bf6SRui Paulo /* Timestamp of last SN update */ 652d19b3bf6SRui Paulo unsigned long last_sn_update; 653dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 654dca7e943SThomas Pedersen unsigned long next_perr; 655dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 656472dbc45SJohannes Berg unsigned long last_preq; 657472dbc45SJohannes Berg struct mesh_rmc *rmc; 658472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 659472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 660472dbc45SJohannes Berg int preq_queue_len; 661472dbc45SJohannes Berg struct mesh_stats mshstats; 662472dbc45SJohannes Berg struct mesh_config mshcfg; 6631258d976SAshok Nagarajan atomic_t estab_plinks; 664472dbc45SJohannes Berg u32 mesh_seqnum; 665472dbc45SJohannes Berg bool accepting_plinks; 6665ee68e5bSJavier Cardona int num_gates; 6672b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 668581a8b0fSJavier Cardona const u8 *ie; 669581a8b0fSJavier Cardona u8 ie_len; 670b130e5ceSJavier Cardona enum { 671b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 672b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 673b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 674b130e5ceSJavier Cardona } security; 675a6dad6a2SThomas Pedersen bool user_mpm; 676dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6778ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 678dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 679dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 680dbf498fbSJavier Cardona bool adjusting_tbtt; 6813f52b7e3SMarco Porsch /* mesh power save */ 6823f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6833f52b7e3SMarco Porsch int ps_peers_light_sleep; 6843f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6853f52b7e3SMarco Porsch struct ps_data ps; 6868f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 687b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6880cb4d4dcSLuciano Coelho enum { 6890cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 6900cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 6910cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 6920cb4d4dcSLuciano Coelho } csa_role; 693b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 6948f2535b9SChun-Yeow Yeoh u16 pre_value; 69543552be1SThomas Pedersen 69643552be1SThomas Pedersen /* offset from skb->data while building IE */ 69743552be1SThomas Pedersen int meshconf_offset; 698472dbc45SJohannes Berg }; 699902acc78SJohannes Berg 700902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 701472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 702472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 703902acc78SJohannes Berg #else 704472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 705902acc78SJohannes Berg do { } while (0) 706902acc78SJohannes Berg #endif 707f0706e82SJiri Benc 708213cd118SJohannes Berg /** 709213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 710213cd118SJohannes Berg * 711213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 712213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 713213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 714213cd118SJohannes Berg * associated stations and deliver multicast frames both 715213cd118SJohannes Berg * back to wireless media and to the local net stack. 71695acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7177b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 718322cd406SSara Sharon * @IEEE80211_SDATA_MU_MIMO_OWNER: indicates interface owns MU-MIMO capability 719213cd118SJohannes Berg */ 720213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 721213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7227986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7237986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 72495acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7257b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 726322cd406SSara Sharon IEEE80211_SDATA_MU_MIMO_OWNER = BIT(6), 727213cd118SJohannes Berg }; 728213cd118SJohannes Berg 72934d4bc4dSJohannes Berg /** 73034d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 73134d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 73234d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 73334d4bc4dSJohannes Berg * change handling while the interface is up 7345b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7355b714c6aSJohannes Berg * mode, so queues are stopped 736d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 737d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 73834d4bc4dSJohannes Berg */ 73934d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 74034d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7415b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 742d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 74334d4bc4dSJohannes Berg }; 74434d4bc4dSJohannes Berg 745d01a1e65SMichal Kazior /** 746d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 747d01a1e65SMichal Kazior * 748d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 749d01a1e65SMichal Kazior * multiple interfaces 750d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 751d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 752d01a1e65SMichal Kazior * non-fixed channel IBSS. 753d01a1e65SMichal Kazior */ 754d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 755d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 756d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 757d01a1e65SMichal Kazior }; 758d01a1e65SMichal Kazior 7595bcae31dSMichal Kazior /** 7605bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7615bcae31dSMichal Kazior * 7625bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7635bcae31dSMichal Kazior * context switch/swap. 7645bcae31dSMichal Kazior * 7655bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7665bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7675bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7685bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7695bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7705bcae31dSMichal Kazior */ 7715bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7725bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7735bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7745bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7755bcae31dSMichal Kazior }; 7765bcae31dSMichal Kazior 777d01a1e65SMichal Kazior struct ieee80211_chanctx { 778d01a1e65SMichal Kazior struct list_head list; 779d01a1e65SMichal Kazior struct rcu_head rcu_head; 780d01a1e65SMichal Kazior 781484298adSMichal Kazior struct list_head assigned_vifs; 782e3afb920SMichal Kazior struct list_head reserved_vifs; 783484298adSMichal Kazior 7845bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 7855bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 7865bcae31dSMichal Kazior 787d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 7888a61af65SJohannes Berg bool driver_present; 789d01a1e65SMichal Kazior 790d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 791d01a1e65SMichal Kazior }; 792d01a1e65SMichal Kazior 79332db6b54SKyeyoon Park struct mac80211_qos_map { 79432db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 79532db6b54SKyeyoon Park struct rcu_head rcu_head; 79632db6b54SKyeyoon Park }; 79732db6b54SKyeyoon Park 798ba8c3d6fSFelix Fietkau enum txq_info_flags { 799ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 800ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 801ba8c3d6fSFelix Fietkau }; 802ba8c3d6fSFelix Fietkau 803ba8c3d6fSFelix Fietkau struct txq_info { 804ba8c3d6fSFelix Fietkau struct sk_buff_head queue; 805ba8c3d6fSFelix Fietkau unsigned long flags; 806ba8c3d6fSFelix Fietkau 807ba8c3d6fSFelix Fietkau /* keep last! */ 808ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 809ba8c3d6fSFelix Fietkau }; 810ba8c3d6fSFelix Fietkau 811f0706e82SJiri Benc struct ieee80211_sub_if_data { 812f0706e82SJiri Benc struct list_head list; 813f0706e82SJiri Benc 814f0706e82SJiri Benc struct wireless_dev wdev; 815f0706e82SJiri Benc 81611a843b7SJohannes Berg /* keys */ 81711a843b7SJohannes Berg struct list_head key_list; 81811a843b7SJohannes Berg 8193bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8203bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8218d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8228d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8233bff1865SYogesh Ashok Powar 824f0706e82SJiri Benc struct net_device *dev; 825f0706e82SJiri Benc struct ieee80211_local *local; 826f0706e82SJiri Benc 82713262ffdSJiri Slaby unsigned int flags; 8287e9ed188SDaniel Drake 82934d4bc4dSJohannes Berg unsigned long state; 83034d4bc4dSJohannes Berg 83147846c9bSJohannes Berg char name[IFNAMSIZ]; 83247846c9bSJohannes Berg 833f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 834f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 835f0706e82SJiri Benc unsigned int fragment_next; 836f0706e82SJiri Benc 837b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 838b53be792SSimon Wunderlich u16 noack_map; 839b53be792SSimon Wunderlich 84000e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 84100e96decSYoni Divinsky u8 wmm_acm; 84200e96decSYoni Divinsky 84340b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 84440b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 84540b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 84640b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 847f0706e82SJiri Benc 84894778280SJohannes Berg u16 sequence_number; 849a621fa4dSJohannes Berg __be16 control_port_protocol; 850a621fa4dSJohannes Berg bool control_port_no_encrypt; 8512475b1ccSMax Stepanov int encrypt_headroom; 85294778280SJohannes Berg 853ba8c3d6fSFelix Fietkau atomic_t txqs_len[IEEE80211_NUM_ACS]; 85454bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 85532db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 856f6f3def3SEliad Peller 85773da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 85859af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 85933787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 86073da7d5bSSimon Wunderlich 861484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 862e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 863484298adSMichal Kazior 86411335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 86511335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 86611335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 86709332481SMichal Kazior bool reserved_radar_required; 8685bcae31dSMichal Kazior bool reserved_ready; 86911335a55SLuciano Coelho 87004ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 87104ecd257SJohannes Berg struct work_struct recalc_smps; 87204ecd257SJohannes Berg 87364592c8fSJohannes Berg struct work_struct work; 87435f20c14SJohannes Berg struct sk_buff_head skb_queue; 87535f20c14SJohannes Berg 87604ecd257SJohannes Berg u8 needed_rx_chains; 87704ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 87804ecd257SJohannes Berg 8791ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 8801ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 8811ea6f9c0SJohannes Berg 882164eb02dSSimon Wunderlich bool radar_required; 883164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 884164eb02dSSimon Wunderlich 8853e122be0SJohannes Berg /* 8863e122be0SJohannes Berg * AP this belongs to: self in AP mode and 8873e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 8883e122be0SJohannes Berg * all others (might be needed later in IBSS) 8893e122be0SJohannes Berg */ 8903e122be0SJohannes Berg struct ieee80211_if_ap *bss; 8913e122be0SJohannes Berg 89237eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 89337eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 8942ffbe6d3SFelix Fietkau 8952ffbe6d3SFelix Fietkau bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; 89619468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 897f0706e82SJiri Benc 898b119ad6eSLorenzo Bianconi bool rc_has_vht_mcs_mask[IEEE80211_NUM_BANDS]; 899b119ad6eSLorenzo Bianconi u16 rc_rateidx_vht_mcs_mask[IEEE80211_NUM_BANDS][NL80211_VHT_NSS_MAX]; 900b119ad6eSLorenzo Bianconi 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, 1008c1475ca9SJohannes Berg }; 1009c1475ca9SJohannes Berg 1010f0706e82SJiri Benc enum { 1011f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1012f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1013f0706e82SJiri Benc }; 1014f0706e82SJiri Benc 1015ce7c9111SKalle Valo enum queue_stop_reason { 1016ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1017520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 101896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 101996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 102025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10218f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10226c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1023445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1024db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1025b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1026cca07b00SLuciano Coelho 1027cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1028ce7c9111SKalle Valo }; 1029ce7c9111SKalle Valo 103065a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1031e1e54068SJohannes Berg struct tpt_led_trigger { 1032e1e54068SJohannes Berg char name[32]; 1033e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1034e1e54068SJohannes Berg unsigned int blink_table_len; 1035e1e54068SJohannes Berg struct timer_list timer; 1036e1e54068SJohannes Berg unsigned long prev_traffic; 1037e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 103867408c8cSJohannes Berg unsigned int active, want; 103967408c8cSJohannes Berg bool running; 1040e1e54068SJohannes Berg }; 104165a6538aSLuciano Coelho #endif 1042e1e54068SJohannes Berg 1043142b9f50SHelmut Schaa /** 1044142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1045142b9f50SHelmut Schaa * 1046142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1047142b9f50SHelmut Schaa * well be on the operating channel 1048142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1049142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10508a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10518a690674SBen Greear * channel. This should not interrupt normal traffic. 10528789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10538789d459SJohannes Berg * that the scan completed. 10548789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10558789d459SJohannes Berg * a scan complete for an aborted scan. 1056a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1057a754055aSEmmanuel Grumbach * cancelled. 1058142b9f50SHelmut Schaa */ 1059fbe9c429SHelmut Schaa enum { 1060fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1061142b9f50SHelmut Schaa SCAN_HW_SCANNING, 10628a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 10638789d459SJohannes Berg SCAN_COMPLETED, 10648789d459SJohannes Berg SCAN_ABORTED, 1065a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1066142b9f50SHelmut Schaa }; 1067142b9f50SHelmut Schaa 1068142b9f50SHelmut Schaa /** 1069142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1070142b9f50SHelmut Schaa * 1071142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1072142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1073142b9f50SHelmut Schaa * operating channel 1074142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1075142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 107607ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 107707ef03eeSJohannes Berg * send out data 107807ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1079cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1080142b9f50SHelmut Schaa */ 1081142b9f50SHelmut Schaa enum mac80211_scan_state { 1082142b9f50SHelmut Schaa SCAN_DECISION, 1083142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1084142b9f50SHelmut Schaa SCAN_SEND_PROBE, 108507ef03eeSJohannes Berg SCAN_SUSPEND, 108607ef03eeSJohannes Berg SCAN_RESUME, 1087cd2bb512SSam Leffler SCAN_ABORT, 1088fbe9c429SHelmut Schaa }; 1089fbe9c429SHelmut Schaa 1090f0706e82SJiri Benc struct ieee80211_local { 1091f0706e82SJiri Benc /* embed the driver visible part. 1092f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1093f0706e82SJiri Benc * it first anyway so they become a no-op */ 1094f0706e82SJiri Benc struct ieee80211_hw hw; 1095f0706e82SJiri Benc 1096f0706e82SJiri Benc const struct ieee80211_ops *ops; 1097f0706e82SJiri Benc 109842935ecaSLuis R. Rodriguez /* 109942935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 110042935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 110142935ecaSLuis R. Rodriguez */ 110242935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 110342935ecaSLuis R. Rodriguez 1104e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1105cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 110696f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1107ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 110896f5e66eSJohannes Berg 1109f0706e82SJiri Benc int open_count; 11103d30d949SMichael Wu int monitors, cooked_mntrs; 11118cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11127be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11137be5086dSJohannes Berg fif_probe_req; 11147be5086dSJohannes Berg int probe_req_reg; 11154150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11163b8d81e0SJohannes Berg 11173ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11183ffc2a90SJohannes Berg 1119fe57d9f5SJohannes Berg bool use_chanctx; 1120fe57d9f5SJohannes Berg 11213b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11223b8d81e0SJohannes Berg spinlock_t filter_lock; 11233b8d81e0SJohannes Berg 11243ac64beeSJohannes Berg /* used for uploading changed mc list */ 11253ac64beeSJohannes Berg struct work_struct reconfig_filter; 11263ac64beeSJohannes Berg 11273b8d81e0SJohannes Berg /* aggregated multicast list */ 112822bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11293b8d81e0SJohannes Berg 1130d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11315bb644a0SJohannes Berg 11325bb644a0SJohannes Berg /* 11335bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11345bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11355bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11365bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11375bb644a0SJohannes Berg */ 11385bb644a0SJohannes Berg bool suspended; 11395bb644a0SJohannes Berg 11405bb644a0SJohannes Berg /* 1141ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1142ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1143ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1144ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1145ceb99fe0SJohannes Berg */ 1146ceb99fe0SJohannes Berg bool resuming; 1147ceb99fe0SJohannes Berg 1148ceb99fe0SJohannes Berg /* 11495bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 11505bb644a0SJohannes Berg * ease timer cancelling etc. 11515bb644a0SJohannes Berg */ 11525bb644a0SJohannes Berg bool quiescing; 11535bb644a0SJohannes Berg 1154ea77f12fSJohannes Berg /* device is started */ 1155ea77f12fSJohannes Berg bool started; 1156ea77f12fSJohannes Berg 115704800adaSArik Nemtsov /* device is during a HW reconfig */ 115804800adaSArik Nemtsov bool in_reconfig; 115904800adaSArik Nemtsov 1160eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1161eecc4800SJohannes Berg bool wowlan; 1162eecc4800SJohannes Berg 1163164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1164164eb02dSSimon Wunderlich 116504ecd257SJohannes Berg /* number of RX chains the hardware has */ 116604ecd257SJohannes Berg u8 rx_chains; 116704ecd257SJohannes Berg 1168b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1169f0706e82SJiri Benc 1170f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1171f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1172f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1173f0706e82SJiri Benc * queues increases over the limit. */ 1174f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1175f0706e82SJiri Benc struct tasklet_struct tasklet; 1176f0706e82SJiri Benc struct sk_buff_head skb_queue; 1177f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1178f0706e82SJiri Benc 1179f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 118024a8fdadSChristian Lamparter 1181d0709a65SJohannes Berg /* Station data */ 1182d0709a65SJohannes Berg /* 11834d33960bSJohannes Berg * The mutex only protects the list, hash table and 11844d33960bSJohannes Berg * counter, reads are done with RCU. 1185d0709a65SJohannes Berg */ 118634e89507SJohannes Berg struct mutex sta_mtx; 11874d33960bSJohannes Berg spinlock_t tim_lock; 1188d0709a65SJohannes Berg unsigned long num_sta; 11894d33960bSJohannes Berg struct list_head sta_list; 11907bedd0cfSJohannes Berg struct rhashtable sta_hash; 1191f0706e82SJiri Benc struct timer_list sta_cleanup; 1192f5ea9120SJohannes Berg int sta_generation; 1193f0706e82SJiri Benc 11942a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1195f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1196f0706e82SJiri Benc 1197a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1198cd8ffc80SJohannes Berg 1199df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1200df140465SJohannes Berg atomic_t iff_allmultis; 1201f0706e82SJiri Benc 1202f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1203f0706e82SJiri Benc 12045f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 12055f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1206f0706e82SJiri Benc u32 wep_iv; 1207f0706e82SJiri Benc 1208c771c9d8SJohannes Berg /* see iface.c */ 120979010420SJohannes Berg struct list_head interfaces; 1210c771c9d8SJohannes Berg struct mutex iflist_mtx; 121179010420SJohannes Berg 1212b16bd15cSJohannes Berg /* 1213ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1214b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1215b16bd15cSJohannes Berg */ 1216ad0e2b5aSJohannes Berg struct mutex key_mtx; 1217b16bd15cSJohannes Berg 1218a1699b75SJohannes Berg /* mutex for scan and work locking */ 1219a1699b75SJohannes Berg struct mutex mtx; 1220b16bd15cSJohannes Berg 1221c2b13452SJohannes Berg /* Scanning and BSS list */ 1222fbe9c429SHelmut Schaa unsigned long scanning; 12232a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12245ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12256ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1226c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12277ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 12284d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1229f0706e82SJiri Benc int scan_channel_idx; 1230de95a54bSJohannes Berg int scan_ies_len; 1231c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12328318d78aSJohannes Berg 123385a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12345260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12356ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1236a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 123779f460caSLuciano Coelho 1238df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1239977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1240f0706e82SJiri Benc struct delayed_work scan_work; 1241e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 124255de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1243675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1244f0706e82SJiri Benc 1245b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1246b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1247b8bc4b0aSJohannes Berg 1248d01a1e65SMichal Kazior /* channel contexts */ 1249d01a1e65SMichal Kazior struct list_head chanctx_list; 1250d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1251d01a1e65SMichal Kazior 1252c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 12538d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 12548d5c2585SJohannes Berg struct led_trigger tpt_led; 12558d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 12568d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1257c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1258c206ca67SJohannes Berg #endif 1259c206ca67SJohannes Berg 1260c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1261f0706e82SJiri Benc /* SNMP counters */ 1262f0706e82SJiri Benc /* dot11CountersTable */ 1263f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1264f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1265f0706e82SJiri Benc u32 dot11FailedCount; 1266f0706e82SJiri Benc u32 dot11RetryCount; 1267f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1268f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1269f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1270f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1271f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1272f0706e82SJiri Benc 1273f0706e82SJiri Benc /* TX/RX handler statistics */ 1274f0706e82SJiri Benc unsigned int tx_handlers_drop; 1275f0706e82SJiri Benc unsigned int tx_handlers_queued; 1276f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1277f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1278f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1279f0706e82SJiri Benc unsigned int rx_handlers_drop; 1280f0706e82SJiri Benc unsigned int rx_handlers_queued; 1281f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1282f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1283f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1284f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1285f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1286f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1287f0706e82SJiri Benc unsigned int tx_status_drop; 1288f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1289f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1290f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1291f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1292f0706e82SJiri Benc 1293f0706e82SJiri Benc 1294f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1295f0706e82SJiri Benc * multicast packets for power saving stations 1296f0706e82SJiri Benc */ 1297520eb820SKalle Valo 1298572e0012SKalle Valo bool pspolling; 1299b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1300965bedadSJohannes Berg /* 1301965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1302965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1303965bedadSJohannes Berg */ 1304965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1305520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1306520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1307520eb820SKalle Valo struct timer_list dynamic_ps_timer; 130810f644a4SJohannes Berg struct notifier_block network_latency_notifier; 13092b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1310a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1311f0706e82SJiri Benc 1312ff616381SJuuso Oikarinen /* 1313ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1314ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1315ff616381SJuuso Oikarinen */ 1316ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1317ff616381SJuuso Oikarinen 13181ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13192bf30fabSJohannes Berg 13200f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13210f78231bSJohannes Berg 1322f2753ddbSJohannes Berg struct work_struct restart_work; 1323f2753ddbSJohannes Berg 1324e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1325e9f207f0SJiri Benc struct local_debugfsdentries { 13264b7679a5SJohannes Berg struct dentry *rcdir; 1327e9f207f0SJiri Benc struct dentry *keys; 1328e9f207f0SJiri Benc } debugfs; 1329e9f207f0SJiri Benc #endif 13304e6cbfd0SJohn W. Linville 13312eb278e0SJohannes Berg /* 13322eb278e0SJohannes Berg * Remain-on-channel support 13332eb278e0SJohannes Berg */ 13342eb278e0SJohannes Berg struct list_head roc_list; 133521f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13362eb278e0SJohannes Berg unsigned long hw_roc_start_time; 133750febf6aSJohannes Berg u64 roc_cookie_counter; 133821f83589SJohannes Berg 1339a729cff8SJohannes Berg struct idr ack_status_frames; 1340a729cff8SJohannes Berg spinlock_t ack_status_lock; 1341a729cff8SJohannes Berg 1342f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1343f142c6b9SJohannes Berg 13444b6f1dd6SJohannes Berg /* virtual monitor interface */ 13454b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 13464bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1347e9a21949SLuciano Coelho 1348e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1349e9a21949SLuciano Coelho u8 ext_capa[8]; 1350c8ff71e6SArik Nemtsov 1351c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1352c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1353c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1354f0706e82SJiri Benc }; 1355f0706e82SJiri Benc 13563e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 13573e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 13583e122be0SJohannes Berg { 13593e122be0SJohannes Berg return netdev_priv(dev); 13603e122be0SJohannes Berg } 13613e122be0SJohannes Berg 136271bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 136371bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 136471bbc994SJohannes Berg { 136571bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 136671bbc994SJohannes Berg } 136771bbc994SJohannes Berg 1368c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1369eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1370eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1371eadc8d9eSRon Rindjunsky u16 tid; 1372eadc8d9eSRon Rindjunsky }; 1373eadc8d9eSRon Rindjunsky 1374c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1375c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1376c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1377c0f17eb9SChun-Yeow Yeoh u8 mode; 1378c0f17eb9SChun-Yeow Yeoh u8 count; 1379c0f17eb9SChun-Yeow Yeoh u8 ttl; 13803f718fd8SChun-Yeow Yeoh u16 pre_value; 1381c0f17eb9SChun-Yeow Yeoh }; 1382c0f17eb9SChun-Yeow Yeoh 1383dd76986bSJohannes Berg /* Parsed Information Elements */ 1384dd76986bSJohannes Berg struct ieee802_11_elems { 13854a3cb702SJohannes Berg const u8 *ie_start; 1386dd76986bSJohannes Berg size_t total_len; 1387dd76986bSJohannes Berg 1388dd76986bSJohannes Berg /* pointers to IEs */ 138953837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 139053837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 13919041c1faSArik Nemtsov const u8 *ext_capab; 13924a3cb702SJohannes Berg const u8 *ssid; 13934a3cb702SJohannes Berg const u8 *supp_rates; 13944a3cb702SJohannes Berg const u8 *ds_params; 13954a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 13964a3cb702SJohannes Berg const u8 *challenge; 13974a3cb702SJohannes Berg const u8 *rsn; 13984a3cb702SJohannes Berg const u8 *erp_info; 13994a3cb702SJohannes Berg const u8 *ext_supp_rates; 14004a3cb702SJohannes Berg const u8 *wmm_info; 14014a3cb702SJohannes Berg const u8 *wmm_param; 14024a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14034a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14044a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14054a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14064a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 14074a3cb702SJohannes Berg const u8 *mesh_id; 14084a3cb702SJohannes Berg const u8 *peering; 14094a3cb702SJohannes Berg const __le16 *awake_window; 14104a3cb702SJohannes Berg const u8 *preq; 14114a3cb702SJohannes Berg const u8 *prep; 14124a3cb702SJohannes Berg const u8 *perr; 14134a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14144a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1415b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1416b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 14174a3cb702SJohannes Berg const u8 *country_elem; 14184a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1419c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 142079ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 14214a3cb702SJohannes Berg const u8 *opmode_notif; 142285220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 14238f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1424dd76986bSJohannes Berg 1425dd76986bSJohannes Berg /* length of them, respectively */ 14269041c1faSArik Nemtsov u8 ext_capab_len; 1427dd76986bSJohannes Berg u8 ssid_len; 1428dd76986bSJohannes Berg u8 supp_rates_len; 1429dd76986bSJohannes Berg u8 tim_len; 1430dd76986bSJohannes Berg u8 challenge_len; 1431dd76986bSJohannes Berg u8 rsn_len; 1432dd76986bSJohannes Berg u8 ext_supp_rates_len; 1433dd76986bSJohannes Berg u8 wmm_info_len; 1434dd76986bSJohannes Berg u8 wmm_param_len; 1435dd76986bSJohannes Berg u8 mesh_id_len; 1436dd76986bSJohannes Berg u8 peering_len; 1437dd76986bSJohannes Berg u8 preq_len; 1438dd76986bSJohannes Berg u8 prep_len; 1439dd76986bSJohannes Berg u8 perr_len; 1440dd76986bSJohannes Berg u8 country_elem_len; 1441fcff4f10SPaul Stewart 1442fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1443fcff4f10SPaul Stewart bool parse_error; 1444dd76986bSJohannes Berg }; 1445dd76986bSJohannes Berg 1446f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1447f0706e82SJiri Benc struct ieee80211_hw *hw) 1448f0706e82SJiri Benc { 1449f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1450f0706e82SJiri Benc } 1451f0706e82SJiri Benc 1452ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1453ba8c3d6fSFelix Fietkau { 1454ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1455ba8c3d6fSFelix Fietkau } 1456f0706e82SJiri Benc 1457571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1458571ecf67SJohannes Berg { 1459b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1460571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1461571ecf67SJohannes Berg } 1462571ecf67SJohannes Berg 1463f4bda337SThomas Pedersen static inline bool 1464f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1465f4bda337SThomas Pedersen { 1466f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1467f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1468f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1469f4bda337SThomas Pedersen } 1470571ecf67SJohannes Berg 1471f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1472f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1473f4bda337SThomas Pedersen unsigned int mpdu_len, 1474f4bda337SThomas Pedersen unsigned int mpdu_offset); 1475e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 14765cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 14779c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 14789c6bd790SJohannes Berg u32 changed); 14790d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 148046900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1481f0706e82SJiri Benc 148246900298SJohannes Berg /* STA code */ 14839c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 148477fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 148577fdaa12SJohannes Berg struct cfg80211_auth_request *req); 148677fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 148777fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 148877fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 148963c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 149077fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 149163c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1492572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1493572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 149410f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1495ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 149610f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 149710f644a4SJohannes Berg unsigned long data, void *dummy); 14982b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 14991fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 15001fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15011fa57d01SJohannes Berg struct sk_buff *skb); 1502d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1503be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1504afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 15051672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 15061672c0e3SJohannes Berg __le16 fc, bool acked); 15071a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1508b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 150902219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 15109c6bd790SJohannes Berg 151146900298SJohannes Berg /* IBSS code */ 151246900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 151346900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 15148bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 15158bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1516af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1517af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1518af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 15191fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 15201fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15211fa57d01SJohannes Berg struct sk_buff *skb); 1522cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1523cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1524cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1525cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 15261fa57d01SJohannes Berg 1527239281f8SRostislav Lisovy /* OCB code */ 1528239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1529239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1530239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1531239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1532239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1533239281f8SRostislav Lisovy struct ocb_setup *setup); 1534239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1535239281f8SRostislav Lisovy 15361fa57d01SJohannes Berg /* mesh code */ 15371fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 15381fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15391fa57d01SJohannes Berg struct sk_buff *skb); 1540b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 154166e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1542b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 154346900298SJohannes Berg 15449c6bd790SJohannes Berg /* scan/BSS handling */ 154546900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 154634bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1547be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 154876bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 154976bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 15507ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1551c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 15522a519311SJohannes Berg struct cfg80211_scan_request *req); 15535bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1554133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1555d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 15569c6bd790SJohannes Berg 15570a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1558c2b13452SJohannes Berg struct ieee80211_bss * 155998c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 156098c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 156198c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 156298c8fccfSJohannes Berg size_t len, 156398c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1564d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 156598c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1566c2b13452SJohannes Berg struct ieee80211_bss *bss); 1567ee385855SLuis Carlos Cobo 156879f460caSLuciano Coelho /* scheduled scan handling */ 1569d43c6b6eSDavid Spinadel int 1570d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1571d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 157279f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 157379f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 157485a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 1575f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 157685a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 157779f460caSLuciano Coelho 1578b203ffc3SJouni Malinen /* off-channel helpers */ 1579aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1580aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 15812eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 15822eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1583c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1584c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 15853fbd45caSJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); 15862eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 15872eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1588b203ffc3SJouni Malinen 158973da7d5bSSimon Wunderlich /* channel switch handling */ 159073da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 159182a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 159282a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 159373da7d5bSSimon Wunderlich 15943e122be0SJohannes Berg /* interface handling */ 159547846c9bSJohannes Berg int ieee80211_iface_init(void); 159647846c9bSJohannes Berg void ieee80211_iface_exit(void); 15973e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 15986bab2e19STom Gundersen unsigned char name_assign_type, 159984efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1600ee385855SLuis Carlos Cobo struct vif_params *params); 1601f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 160205c914feSJohannes Berg enum nl80211_iftype type); 1603f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 160475636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1605382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 16065cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 160785416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 160885416a4fSChristian Lamparter const int offset); 1609f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1610f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 16113c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 16123c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1613f0706e82SJiri Benc 16141ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1615db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1616db82d8a9SLorenzo Bianconi bool update_bss); 16171ea6f9c0SJohannes Berg 16189607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 16199607e6b6SJohannes Berg { 162034d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 16219607e6b6SJohannes Berg } 16229607e6b6SJohannes Berg 1623e2ebc74dSJohannes Berg /* tx handling */ 1624e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1625e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1626d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1627d0cf9c0dSStephen Hemminger struct net_device *dev); 1628d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1629d0cf9c0dSStephen Hemminger struct net_device *dev); 163024d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 163124d342c5SLiad Kaufman struct net_device *dev, 163224d342c5SLiad Kaufman u32 info_flags); 16331f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 16341f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 16357528ec57SJohannes Berg struct sk_buff * 16367528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 16377528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 16384dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 16394dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 16404dc792b8SHelmut Schaa int retry_count, int shift, bool send_to_cooked); 1641e2ebc74dSJohannes Berg 164217c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 164317c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 164417c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 164517c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 164617c18bf8SJohannes Berg 1647de1ede7aSJohannes Berg /* HT */ 1648ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1649ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1650e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1651ef96a842SBen Greear struct ieee80211_supported_band *sband, 16524a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1653e1a0c6b3SJohannes Berg struct sta_info *sta); 1654b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1655b8695a8fSJohannes Berg const u8 *da, u16 tid, 1656b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 16570f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 16580f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 16590f78231bSJohannes Berg const u8 *bssid); 1660687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1661687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1662687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1663687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1664de1ede7aSJohannes Berg 16657c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 166653f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1667849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 166853f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 166908cf42e8SMichal Kazior void __ieee80211_start_rx_ba_session(struct sta_info *sta, 167008cf42e8SMichal Kazior u8 dialog_token, u16 timeout, 167108cf42e8SMichal Kazior u16 start_seq_num, u16 ba_policy, u16 tid, 16724549cf2bSMichal Kazior u16 buf_size, bool tx, bool auto_seq); 1673c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1674c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1675de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1676de1ede7aSJohannes Berg struct sta_info *sta, 1677de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1678de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1679de1ede7aSJohannes Berg struct sta_info *sta, 1680de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1681de1ede7aSJohannes Berg size_t len); 1682de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1683de1ede7aSJohannes Berg struct sta_info *sta, 1684de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1685de1ede7aSJohannes Berg size_t len); 1686de1ede7aSJohannes Berg 1687849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1688c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 168967c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1690c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 16915d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 16925d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 169367c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 169467c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 16952bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1696849b7967SJohannes Berg 169704ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 169804ecd257SJohannes Berg 1699818255eaSMahesh Palivela /* VHT */ 17004a3cb702SJohannes Berg void 17014a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1702818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 17034a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 17044a34215eSJohannes Berg struct sta_info *sta); 17051c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1706e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 17078921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 1708b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1709b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 1710b1bce14aSMarek Kwaczynski enum ieee80211_band band, bool nss_only); 17110af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 17120af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1713bee7f586SJohannes Berg enum ieee80211_band band, bool nss_only); 1714dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1715dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1716b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1717b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 17184a34215eSJohannes Berg 171939192c0bSJohannes Berg /* Spectrum management */ 172039192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 172139192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 172239192c0bSJohannes Berg size_t len); 1723e6b7cde4SSimon Wunderlich /** 1724e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1725e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1726e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1727e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1728e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1729e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1730e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1731e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1732e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1733e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1734e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1735c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1736c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1737e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1738e6b7cde4SSimon Wunderlich */ 1739e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 174084469a45SLuciano Coelho struct ieee802_11_elems *elems, 1741e6b7cde4SSimon Wunderlich enum ieee80211_band current_band, 1742c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1743c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 174439192c0bSJohannes Berg 1745f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1746f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 174784f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1748f2753ddbSJohannes Berg 1749eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1750eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1751f2753ddbSJohannes Berg 1752f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1753f2753ddbSJohannes Berg { 175485f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 175585f72bc8SJohn W. Linville 17569120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 17579120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 175885f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 175985f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 176085f72bc8SJohn W. Linville 1761f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1762f2753ddbSJohannes Berg } 1763665af4fcSBob Copeland 1764c2d1560aSJohannes Berg /* utility functions/constants */ 17658a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 17664ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1767438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1768438b61b7SSimon Wunderlich int shift); 1769f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1770e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1771e6d6e342SJohannes Berg gfp_t gfp); 17723abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 17733abead59SJohannes Berg bool bss_notify); 17747c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 17757c10770fSJohannes Berg struct sta_info *sta, struct sk_buff *skb); 1776cf6bb79aSHelmut Schaa 177755de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 177855de908aSJohannes Berg struct sk_buff *skb, int tid, 177955de908aSJohannes Berg enum ieee80211_band band); 178055de908aSJohannes Berg 178155de908aSJohannes Berg static inline void 178255de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 178355de908aSJohannes Berg struct sk_buff *skb, int tid, 178455de908aSJohannes Berg enum ieee80211_band band) 178555de908aSJohannes Berg { 178655de908aSJohannes Berg rcu_read_lock(); 178755de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 178855de908aSJohannes Berg rcu_read_unlock(); 178955de908aSJohannes Berg } 179055de908aSJohannes Berg 179155de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 179255de908aSJohannes Berg struct sk_buff *skb, int tid) 179355de908aSJohannes Berg { 179455de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 179555de908aSJohannes Berg 179655de908aSJohannes Berg rcu_read_lock(); 179755de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 179855de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 179955de908aSJohannes Berg rcu_read_unlock(); 180055de908aSJohannes Berg kfree_skb(skb); 180155de908aSJohannes Berg return; 180255de908aSJohannes Berg } 180355de908aSJohannes Berg 180455de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 18054bf88530SJohannes Berg chanctx_conf->def.chan->band); 180655de908aSJohannes Berg rcu_read_unlock(); 180755de908aSJohannes Berg } 180855de908aSJohannes Berg 180955de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1810cf6bb79aSHelmut Schaa struct sk_buff *skb) 1811cf6bb79aSHelmut Schaa { 1812cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1813cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1814cf6bb79aSHelmut Schaa } 1815cf6bb79aSHelmut Schaa 181635d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1817d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1818d91f36dbSJohannes Berg u64 filter, u32 crc); 181935d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 182035d865afSJohannes Berg bool action, 1821ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1822ddc4db2eSJohannes Berg { 1823b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1824ddc4db2eSJohannes Berg } 1825ddc4db2eSJohannes Berg 182683eb935eSMichal Kazior static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head *frames) 182783eb935eSMichal Kazior { 182883eb935eSMichal Kazior struct sk_buff *tail = skb_peek_tail(frames); 182983eb935eSMichal Kazior struct ieee80211_rx_status *status; 183083eb935eSMichal Kazior 183183eb935eSMichal Kazior if (!tail) 183283eb935eSMichal Kazior return false; 183383eb935eSMichal Kazior 183483eb935eSMichal Kazior status = IEEE80211_SKB_RXCB(tail); 183583eb935eSMichal Kazior if (status->flag & RX_FLAG_AMSDU_MORE) 183683eb935eSMichal Kazior return false; 183783eb935eSMichal Kazior 183883eb935eSMichal Kazior return true; 183983eb935eSMichal Kazior } 184083eb935eSMichal Kazior 184102219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 184202219b3aSJohannes Berg 184302219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 184402219b3aSJohannes Berg { 184502219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 184602219b3aSJohannes Berg } 184702219b3aSJohannes Berg 1848520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1849520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1850520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1851a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1852a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1853a97b77b9SVivek Natarajan int powersave); 18543cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 18553cf335d5SKalle Valo struct ieee80211_hdr *hdr); 18564e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 185702219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 1858520eb820SKalle Valo 1859ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1860445ea4e8SJohannes Berg unsigned long queues, 1861cca07b00SLuciano Coelho enum queue_stop_reason reason, 1862cca07b00SLuciano Coelho bool refcounted); 186326da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 186426da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 186526da23b6SLuciano Coelho enum queue_stop_reason reason); 186626da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 186726da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 186826da23b6SLuciano Coelho enum queue_stop_reason reason); 1869ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1870445ea4e8SJohannes Berg unsigned long queues, 1871cca07b00SLuciano Coelho enum queue_stop_reason reason, 1872cca07b00SLuciano Coelho bool refcounted); 187396f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 1874cca07b00SLuciano Coelho enum queue_stop_reason reason, 1875cca07b00SLuciano Coelho bool refcounted); 187696f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 1877cca07b00SLuciano Coelho enum queue_stop_reason reason, 1878cca07b00SLuciano Coelho bool refcounted); 18793a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 18808f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 18818f77f384SJohannes Berg struct sk_buff *skb); 1882e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 1883e3685e03SJohannes Berg struct sk_buff_head *skbs); 188439ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 18853b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 18864f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 18874f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 18883b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 1889ce7c9111SKalle Valo 18904afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 18914afaff17SEmmanuel Grumbach { 18924afaff17SEmmanuel Grumbach /* 18934afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 18944afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 18954afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 18964afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 18974afaff17SEmmanuel Grumbach */ 18984afaff17SEmmanuel Grumbach if (local->quiescing) 18994afaff17SEmmanuel Grumbach return false; 19004afaff17SEmmanuel Grumbach 19014afaff17SEmmanuel Grumbach /* 19024afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 19034afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 19044afaff17SEmmanuel Grumbach * 19054afaff17SEmmanuel Grumbach * if (local->quiescing) 19064afaff17SEmmanuel Grumbach * return; 19074afaff17SEmmanuel Grumbach * local->quiescing = true; 19084afaff17SEmmanuel Grumbach * flush_workqueue(); 19094afaff17SEmmanuel Grumbach * queue_work(...); 19104afaff17SEmmanuel Grumbach * local->suspended = true; 19114afaff17SEmmanuel Grumbach * local->quiescing = false; 19124afaff17SEmmanuel Grumbach * worker starts running... 19134afaff17SEmmanuel Grumbach */ 19144afaff17SEmmanuel Grumbach if (local->suspended) 19154afaff17SEmmanuel Grumbach return false; 19164afaff17SEmmanuel Grumbach 19174afaff17SEmmanuel Grumbach return true; 19184afaff17SEmmanuel Grumbach } 19194afaff17SEmmanuel Grumbach 1920ba8c3d6fSFelix Fietkau void ieee80211_init_tx_queue(struct ieee80211_sub_if_data *sdata, 1921ba8c3d6fSFelix Fietkau struct sta_info *sta, 1922ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 192346900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1924700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 19254a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 19261672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 19271672c0e3SJohannes Berg u32 tx_flags); 19286ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 19296ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 19306ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1931de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1932c56ef672SDavid Spinadel size_t buffer_len, 1933c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 1934c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 1935c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 19362103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 1937a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 1938a344d677SJohannes Berg const u8 *src, const u8 *dst, 1939a344d677SJohannes Berg u32 ratemask, 19406b77863bSJohannes Berg struct ieee80211_channel *chan, 1941a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1942a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1943a806c558SPaul Stewart bool directed); 1944a344d677SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, 1945a344d677SJohannes Berg const u8 *src, const u8 *dst, 1946de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1947a806c558SPaul Stewart const u8 *ie, size_t ie_len, 19481672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 194955de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 195046900298SJohannes Berg 19512103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 195246900298SJohannes Berg struct ieee802_11_elems *elems, 19539ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 1954687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 1955687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 1956687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 19570f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 195804ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 195921f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 196046900298SJohannes Berg 19618e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1962ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 196342e7aa77SAlexander Simon u16 cap); 1964074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 19654bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1966431e3154SAshok Nagarajan u16 prot_mode); 1967ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1968ba0afa2fSMahesh Palivela u32 cap); 1969fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1970fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 19712103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 19722103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 19732103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 1974fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 19756b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19766b77863bSJohannes Berg enum ieee80211_band band); 1977fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 19786b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 19796b77863bSJohannes Berg enum ieee80211_band band); 198040b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 19818e664fb3SJohannes Berg 1982f444de05SJohannes Berg /* channel management */ 19834bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 19844a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_oper, 19854bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1986abcff6efSJanusz.Dziedzic@tieto.com void ieee80211_vht_oper_to_chandef(struct ieee80211_channel *control_chan, 1987abcff6efSJanusz.Dziedzic@tieto.com const struct ieee80211_vht_operation *oper, 1988abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 1989e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 1990f444de05SJohannes Berg 1991d01a1e65SMichal Kazior int __must_check 1992d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 19934bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1994d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 19952c9b7359SJohannes Berg int __must_check 199611335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 199711335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 199809332481SMichal Kazior enum ieee80211_chanctx_mode mode, 199909332481SMichal Kazior bool radar_required); 200011335a55SLuciano Coelho int __must_check 20015bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 200211335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 200311335a55SLuciano Coelho 200411335a55SLuciano Coelho int __must_check 20052c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 20062c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 20072c9b7359SJohannes Berg u32 *changed); 2008d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 20094d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 20101f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 20111f4ac5a6SJohannes Berg bool clear); 2012c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2013c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2014d01a1e65SMichal Kazior 201504ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 201604ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 201721f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 201821f659bfSEliad Peller struct ieee80211_chanctx *ctx); 20195cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2020164eb02dSSimon Wunderlich 2021164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2022164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2023164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2024164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2025c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2026c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 202704ecd257SJohannes Berg 20282475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 20292475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 20302475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 20312475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 20322475b1ccSMax Stepanov enum nl80211_iftype iftype); 20332475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 20342475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 20352475b1ccSMax Stepanov enum nl80211_iftype iftype); 2036057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2037057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 203873de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 203973de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 204073de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 204173de86a3SLuciano Coelho u8 radar_detect); 20426fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 20430fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 20440fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 20450fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 20462475b1ccSMax Stepanov 204795224fe8SArik Nemtsov /* TDLS */ 204895224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 20493b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 205095224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 205131fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 205231fa97c5SArik Nemtsov size_t extra_ies_len); 205395224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 20543b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2055c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2056a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2057a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2058a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2059a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2060a7a6bdd0SArik Nemtsov struct net_device *dev, 2061a7a6bdd0SArik Nemtsov const u8 *addr); 2062d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2063c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 206495224fe8SArik Nemtsov 2065b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2066b7ffbd7eSJohannes Berg 2067f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2068d9e8a70fSJohannes Berg #define debug_noinline noinline 2069d9e8a70fSJohannes Berg #else 2070d9e8a70fSJohannes Berg #define debug_noinline 2071d9e8a70fSJohannes Berg #endif 2072d9e8a70fSJohannes Berg 2073f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2074