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> 642bd20d9SAviya Erenfeld * Copyright 2013-2015 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> 33fa962b92SMichal Kazior #include <net/fq.h> 342c8dccc7SJohannes Berg #include "key.h" 35f0706e82SJiri Benc #include "sta_info.h" 36bdcbd8e0SJohannes Berg #include "debug.h" 37f0706e82SJiri Benc 383beea351SJohannes Berg extern const struct cfg80211_ops mac80211_config_ops; 393beea351SJohannes Berg 409cfb0009SJohannes Berg struct ieee80211_local; 41f0706e82SJiri Benc 42f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 43f0706e82SJiri Benc * associated stations are using power saving. */ 44f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 45f0706e82SJiri Benc 46f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 47f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 48f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 49f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 50f0706e82SJiri Benc 51f0706e82SJiri Benc /* Required encryption head and tailroom */ 52f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 53765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 54f0706e82SJiri Benc 55f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 56f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 57f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 58f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 59f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 60f0706e82SJiri Benc 611ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 621ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 631ea6f9c0SJohannes Berg 64d6a4ed6fSArik Nemtsov /* 65aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 66aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 67aa75ebc2SMichal Kazior * enough. 68aa75ebc2SMichal Kazior * 69aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 70aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 71aa75ebc2SMichal Kazior * 72aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 73aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 74aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 75aa75ebc2SMichal Kazior * accidentally after a long time. 76aa75ebc2SMichal Kazior * 77aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 78aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 79aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 80aa75ebc2SMichal Kazior * frame support doesn't make much sense. 81d6a4ed6fSArik Nemtsov */ 82aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 83ab13315aSKalle Valo 84ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 85ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 86ab13315aSKalle Valo 87f438ceb8SEmmanuel Grumbach extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS]; 88f438ceb8SEmmanuel Grumbach 896ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 906ae16775SAntonio Quartulli 91167e33f4SAyala Beker #define IEEE80211_MAX_NAN_INSTANCE_ID 255 92167e33f4SAyala Beker 93f0706e82SJiri Benc struct ieee80211_fragment_entry { 94f0706e82SJiri Benc struct sk_buff_head skb_list; 9569f13223SJohannes Berg unsigned long first_frag_time; 9669f13223SJohannes Berg u16 seq; 9769f13223SJohannes Berg u16 extra_len; 9869f13223SJohannes Berg u16 last_frag; 9969f13223SJohannes Berg u8 rx_queue; 1009acc54beSJohannes Berg bool check_sequential_pn; /* needed for CCMP/GCMP */ 101f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 102f0706e82SJiri Benc }; 103f0706e82SJiri Benc 104f0706e82SJiri Benc 105c2b13452SJohannes Berg struct ieee80211_bss { 106ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 1078c358bcdSJohannes Berg 10843ac2ca3SJouni Malinen bool wmm_used; 109ab13315aSKalle Valo bool uapsd_supported; 11000d3f14cSJohannes Berg 111f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 112f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 113f0706e82SJiri Benc size_t supp_rates_len; 114817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 115f0706e82SJiri Benc 11600d3f14cSJohannes Berg /* 11725985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1185628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1195628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 12000d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 12100d3f14cSJohannes Berg */ 12200d3f14cSJohannes Berg bool has_erp_value; 1235628221cSDaniel Drake u8 erp_value; 124fcff4f10SPaul Stewart 125fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 126fcff4f10SPaul Stewart u8 corrupt_data; 127fcff4f10SPaul Stewart 128fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 129fcff4f10SPaul Stewart u8 valid_data; 130fcff4f10SPaul Stewart }; 131fcff4f10SPaul Stewart 132fcff4f10SPaul Stewart /** 133fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 134fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 135fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 136fcff4f10SPaul Stewart * 137fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 138fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 139fcff4f10SPaul Stewart */ 140fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 141fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 142fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 143fcff4f10SPaul Stewart }; 144fcff4f10SPaul Stewart 145fcff4f10SPaul Stewart /** 146fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 147fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 148fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 149fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 150fcff4f10SPaul Stewart * 151fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 152fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 153d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 154fcff4f10SPaul Stewart * beacon/probe response. 155fcff4f10SPaul Stewart */ 156fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 157fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 158fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 159fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 160f0706e82SJiri Benc }; 161f0706e82SJiri Benc 1629efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_tx_result; 1639ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1649ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1659ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1669ae54c84SJohannes Berg 1675cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1685cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1699ae54c84SJohannes Berg 1705cf121c3SJohannes Berg struct ieee80211_tx_data { 171f0706e82SJiri Benc struct sk_buff *skb; 172252b86c4SJohannes Berg struct sk_buff_head skbs; 173f0706e82SJiri Benc struct ieee80211_local *local; 174f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 175f0706e82SJiri Benc struct sta_info *sta; 176f0706e82SJiri Benc struct ieee80211_key *key; 1770d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1785cf121c3SJohannes Berg 179056cdd59SJohannes Berg unsigned int flags; 1805cf121c3SJohannes Berg }; 1815cf121c3SJohannes Berg 1825cf121c3SJohannes Berg 1839efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_rx_result; 1845cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1855cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1865cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1875cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1885cf121c3SJohannes Berg 189554891e6SJohannes Berg /** 190554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 191554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 192554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1934cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 194554891e6SJohannes Berg * 195554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 196554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 197554891e6SJohannes Berg */ 198554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 199554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 200554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2014cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 202554891e6SJohannes Berg }; 203554891e6SJohannes Berg 204554891e6SJohannes Berg /** 205554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 206554891e6SJohannes Berg * 207554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 208ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 209ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 210554891e6SJohannes Berg * 211554891e6SJohannes Berg * These flags are used across handling multiple interfaces 212554891e6SJohannes Berg * for a single frame. 213554891e6SJohannes Berg */ 214554891e6SJohannes Berg enum ieee80211_rx_flags { 215554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 216ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 217554891e6SJohannes Berg }; 2185cf121c3SJohannes Berg 2195cf121c3SJohannes Berg struct ieee80211_rx_data { 220af9f9b22SJohannes Berg struct napi_struct *napi; 2215cf121c3SJohannes Berg struct sk_buff *skb; 2225cf121c3SJohannes Berg struct ieee80211_local *local; 2235cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2245cf121c3SJohannes Berg struct sta_info *sta; 2255cf121c3SJohannes Berg struct ieee80211_key *key; 226056cdd59SJohannes Berg 227056cdd59SJohannes Berg unsigned int flags; 2289e26297aSJohannes Berg 2299e26297aSJohannes Berg /* 2309e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2319e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2329e26297aSJohannes Berg * will be 16 on non-QoS frames. 2339e26297aSJohannes Berg */ 2349e26297aSJohannes Berg int seqno_idx; 2359e26297aSJohannes Berg 2369e26297aSJohannes Berg /* 2379e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2389e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2399e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2409e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2419e26297aSJohannes Berg */ 2429e26297aSJohannes Berg int security_idx; 2439e26297aSJohannes Berg 24450741ae0SJohannes Berg u32 tkip_iv32; 24550741ae0SJohannes Berg u16 tkip_iv16; 246f0706e82SJiri Benc }; 247f0706e82SJiri Benc 248af296bdbSMichal Kazior struct ieee80211_csa_settings { 249af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 250af296bdbSMichal Kazior const u16 *counter_offsets_presp; 251af296bdbSMichal Kazior 252af296bdbSMichal Kazior int n_counter_offsets_beacon; 253af296bdbSMichal Kazior int n_counter_offsets_presp; 254af296bdbSMichal Kazior 255af296bdbSMichal Kazior u8 count; 256af296bdbSMichal Kazior }; 257af296bdbSMichal Kazior 2585dfdaf58SJohannes Berg struct beacon_data { 2595dfdaf58SJohannes Berg u8 *head, *tail; 2605dfdaf58SJohannes Berg int head_len, tail_len; 26143552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 262af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 263af296bdbSMichal Kazior u8 csa_current_counter; 2648860020eSJohannes Berg struct rcu_head rcu_head; 2655dfdaf58SJohannes Berg }; 2665dfdaf58SJohannes Berg 267aa7a0080SEyal Shapira struct probe_resp { 268aa7a0080SEyal Shapira struct rcu_head rcu_head; 269aa7a0080SEyal Shapira int len; 270af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 271aa7a0080SEyal Shapira u8 data[0]; 272aa7a0080SEyal Shapira }; 273aa7a0080SEyal Shapira 274d012a605SMarco Porsch struct ps_data { 275d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 276d012a605SMarco Porsch * bitmap_empty :) 277d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2785fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2795fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 280d012a605SMarco Porsch struct sk_buff_head bc_buf; 281d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 282d012a605SMarco Porsch int dtim_count; 283d012a605SMarco Porsch bool dtim_bc_mc; 284d012a605SMarco Porsch }; 285d012a605SMarco Porsch 286f0706e82SJiri Benc struct ieee80211_if_ap { 28740b275b6SJohannes Berg struct beacon_data __rcu *beacon; 288aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 289f0706e82SJiri Benc 29073da7d5bSSimon Wunderlich /* to be used after channel switch. */ 29173da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2924e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2930ec3ca44SJohannes Berg 294d012a605SMarco Porsch struct ps_data ps; 295030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 296687da132SEmmanuel Grumbach enum ieee80211_smps_mode req_smps, /* requested smps mode */ 297687da132SEmmanuel Grumbach driver_smps_mode; /* smps mode request */ 298687da132SEmmanuel Grumbach 299687da132SEmmanuel Grumbach struct work_struct request_smps_work; 300ebceec86SMichael Braun bool multicast_to_unicast; 301f0706e82SJiri Benc }; 302f0706e82SJiri Benc 303f0706e82SJiri Benc struct ieee80211_if_wds { 304f0706e82SJiri Benc struct sta_info *sta; 305056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 306f0706e82SJiri Benc }; 307f0706e82SJiri Benc 308f0706e82SJiri Benc struct ieee80211_if_vlan { 3094e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 310f14543eeSFelix Fietkau 311f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 31240b275b6SJohannes Berg struct sta_info __rcu *sta; 31372f15d53SMichael Braun atomic_t num_mcast_sta; /* number of stations receiving multicast */ 314f0706e82SJiri Benc }; 315f0706e82SJiri Benc 316ee385855SLuis Carlos Cobo struct mesh_stats { 317c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 318c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 319c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 320ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 321ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 322cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 323ee385855SLuis Carlos Cobo }; 324ee385855SLuis Carlos Cobo 325ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 326ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 327ee385855SLuis Carlos Cobo struct mesh_preq_queue { 328ee385855SLuis Carlos Cobo struct list_head list; 329ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 330ee385855SLuis Carlos Cobo u8 flags; 331ee385855SLuis Carlos Cobo }; 332ee385855SLuis Carlos Cobo 3332eb278e0SJohannes Berg struct ieee80211_roc_work { 33477fdaa12SJohannes Berg struct list_head list; 335af6b6374SJohannes Berg 336af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 337af6b6374SJohannes Berg 338f679f65dSJohannes Berg struct ieee80211_channel *chan; 339af6b6374SJohannes Berg 3402eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 341b4b177a5SJohannes Berg bool on_channel; 342f679f65dSJohannes Berg 343aaa016ccSJohannes Berg unsigned long start_time; 344e4da8c37SJohannes Berg 3452eb278e0SJohannes Berg u32 duration, req_duration; 346f30221e4SJohannes Berg struct sk_buff *frame; 34750febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 348d339d5caSIlan Peer enum ieee80211_roc_type type; 34977fdaa12SJohannes Berg }; 35077fdaa12SJohannes Berg 35146900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 352ab1faeadSJohannes Berg enum ieee80211_sta_flags { 353b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 354b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 355a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 356b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 357ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 358375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35917e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 36024398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 361d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 362f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 363f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 364095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 365cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 366ab1faeadSJohannes Berg }; 367ab1faeadSJohannes Berg 36866e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 36966e67e41SJohannes Berg struct cfg80211_bss *bss; 37066e67e41SJohannes Berg unsigned long timeout; 37166e67e41SJohannes Berg int tries; 37266e67e41SJohannes Berg u16 algorithm, expected_transaction; 37366e67e41SJohannes Berg 37466e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37566e67e41SJohannes Berg u8 key_len, key_idx; 37666e67e41SJohannes Berg bool done; 37789afe614SJohannes Berg bool timeout_started; 37866e67e41SJohannes Berg 3796b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3806b8ece3aSJouni Malinen size_t data_len; 3816b8ece3aSJouni Malinen u8 data[]; 38266e67e41SJohannes Berg }; 38366e67e41SJohannes Berg 38466e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38566e67e41SJohannes Berg struct cfg80211_bss *bss; 38666e67e41SJohannes Berg const u8 *supp_rates; 38766e67e41SJohannes Berg 38866e67e41SJohannes Berg unsigned long timeout; 38966e67e41SJohannes Berg int tries; 39066e67e41SJohannes Berg 39166e67e41SJohannes Berg u16 capability; 39266e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39366e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39466e67e41SJohannes Berg u8 ssid_len; 39566e67e41SJohannes Berg u8 supp_rates_len; 39676f0303dSJohannes Berg bool wmm, uapsd; 397989c6505SAlexander Bondar bool need_beacon; 39866e67e41SJohannes Berg bool synced; 39989afe614SJohannes Berg bool timeout_started; 40066e67e41SJohannes Berg 4019dde6423SJohannes Berg u8 ap_ht_param; 4029dde6423SJohannes Berg 403b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 404b08fbbd8SJohannes Berg 40539404feeSJouni Malinen u8 fils_nonces[2 * FILS_NONCE_LEN]; 40639404feeSJouni Malinen u8 fils_kek[FILS_MAX_KEK_LEN]; 40739404feeSJouni Malinen size_t fils_kek_len; 40839404feeSJouni Malinen 40966e67e41SJohannes Berg size_t ie_len; 41066e67e41SJohannes Berg u8 ie[]; 41166e67e41SJohannes Berg }; 41266e67e41SJohannes Berg 41302219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41402219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41502219b3aSJohannes Berg unsigned long time_slice_start; 41602219b3aSJohannes Berg 41702219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 41802219b3aSJohannes Berg u8 tsid; 41902219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 42002219b3aSJohannes Berg 42102219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42202219b3aSJohannes Berg u32 consumed_tx_time; 42302219b3aSJohannes Berg enum { 42402219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42502219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 42602219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 42702219b3aSJohannes Berg } action; 42802219b3aSJohannes Berg bool downgraded; 42902219b3aSJohannes Berg }; 43002219b3aSJohannes Berg 431eb1e011aSJohannes Berg DECLARE_EWMA(beacon_signal, 4, 4) 432338c17aeSJohannes Berg 43346900298SJohannes Berg struct ieee80211_if_managed { 434056cdd59SJohannes Berg struct timer_list timer; 435b291ba11SJohannes Berg struct timer_list conn_mon_timer; 436b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 437c481ec97SSujith struct timer_list chswitch_timer; 438b291ba11SJohannes Berg struct work_struct monitor_work; 439c481ec97SSujith struct work_struct chswitch_work; 4401e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 441882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44246900298SJohannes Berg 4437ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 444b291ba11SJohannes Berg unsigned long probe_timeout; 445a43abf29SMaxim Levitsky int probe_send_count; 44604ac3c0eSFelix Fietkau bool nullfunc_failed; 447682bd38bSJohannes Berg bool connection_loss; 448b291ba11SJohannes Berg 4490c1ad2caSJohannes Berg struct cfg80211_bss *associated; 45066e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 45166e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45246900298SJohannes Berg 453a3e2f4b6SMichael Braun u8 bssid[ETH_ALEN] __aligned(2); 45446900298SJohannes Berg 455f0706e82SJiri Benc u16 aid; 456f0706e82SJiri Benc 457965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 45805cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 459989c6505SAlexander Bondar bool have_beacon; 460826262c3SJohannes Berg u8 dtim_period; 4610f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 462d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 463d1f5b7a3SJohannes Berg 464d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 465965bedadSJohannes Berg 466d6f2da5bSJiri Slaby unsigned int flags; 467f0706e82SJiri Benc 4680c21e632SLuciano Coelho bool csa_waiting_bcn; 469f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4700c21e632SLuciano Coelho 471d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 472d91f36dbSJohannes Berg u32 beacon_crc; 473d91f36dbSJohannes Berg 4741672c0e3SJohannes Berg bool status_acked; 4751672c0e3SJohannes Berg bool status_received; 4761672c0e3SJohannes Berg __le16 status_fc; 4771672c0e3SJohannes Berg 478fdfacf0aSJouni Malinen enum { 479fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 480fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 481fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 482fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 483fdfacf0aSJouni Malinen 484dc41e4d4SEliad Peller /* 485dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 486dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 487dc41e4d4SEliad Peller * to take effect. 488dc41e4d4SEliad Peller */ 489dc41e4d4SEliad Peller unsigned int uapsd_queues; 490dc41e4d4SEliad Peller 491dc41e4d4SEliad Peller /* 492dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 493dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 494dc41e4d4SEliad Peller * Needs a new association to take effect. 495dc41e4d4SEliad Peller */ 496dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 497dc41e4d4SEliad Peller 498f0706e82SJiri Benc int wmm_last_param_set; 4999bc383deSJohannes Berg 5009bc383deSJohannes Berg u8 use_4addr; 50117e4ec14SJouni Malinen 50267baf663SJanusz Dziedzic s16 p2p_noa_index; 503488dd7b5SJohannes Berg 504338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 50517e4ec14SJouni Malinen 50617e4ec14SJouni Malinen /* 507391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 508391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 509391a200aSJouni Malinen * only on couple of received frames. 510391a200aSJouni Malinen */ 511391a200aSJouni Malinen unsigned int count_beacon_signal; 512391a200aSJouni Malinen 513976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 514976bd9efSJohannes Berg unsigned int beacon_loss_count; 515976bd9efSJohannes Berg 516391a200aSJouni Malinen /* 51717e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 51817e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 51917e4ec14SJouni Malinen * generated for the current association. 52017e4ec14SJouni Malinen */ 52117e4ec14SJouni Malinen int last_cqm_event_signal; 522615f7b9bSMeenakshi Venkataraman 523615f7b9bSMeenakshi Venkataraman /* 524615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 525615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 526615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 527615f7b9bSMeenakshi Venkataraman */ 528615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 529615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 530ef96a842SBen Greear 531ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 532ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 533dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 534dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 53581dd2b88SArik Nemtsov 5361277b4a9SLiad Kaufman /* TDLS support */ 53781dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 53881dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5391277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5401277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5411277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5429041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 54382c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 54402219b3aSJohannes Berg 54502219b3aSJohannes Berg /* WMM-AC TSPEC support */ 54602219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 54702219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 54802219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 54902219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 55002219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 55102219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 55202219b3aSJohannes Berg */ 55302219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 554f0706e82SJiri Benc }; 555f0706e82SJiri Benc 55646900298SJohannes Berg struct ieee80211_if_ibss { 55746900298SJohannes Berg struct timer_list timer; 558cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 55946900298SJohannes Berg 560af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5615bb644a0SJohannes Berg 562fbd2c8dcSTeemu Paasikivi u32 basic_rates; 563fbd2c8dcSTeemu Paasikivi 564af8cdcd8SJohannes Berg bool fixed_bssid; 565af8cdcd8SJohannes Berg bool fixed_channel; 566fffd0934SJohannes Berg bool privacy; 56746900298SJohannes Berg 568267335d6SAntonio Quartulli bool control_port; 5698e8d347dSSimon Wunderlich bool userspace_handles_dfs; 570267335d6SAntonio Quartulli 5714d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 572af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 573af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 574af8cdcd8SJohannes Berg u8 *ie; 5753aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 57646900298SJohannes Berg 57746900298SJohannes Berg unsigned long ibss_join_req; 578af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 579c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 58046900298SJohannes Berg 581822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 582822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 583822854b0SSimon Wunderlich 5848bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5858bf11d8dSJohannes Berg struct list_head incomplete_stations; 5868bf11d8dSJohannes Berg 58746900298SJohannes Berg enum { 58846900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 58946900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 59046900298SJohannes Berg } state; 59146900298SJohannes Berg }; 59246900298SJohannes Berg 593dbf498fbSJavier Cardona /** 594239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 595239281f8SRostislav Lisovy * 596239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 597239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 598239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 599239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 600239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 601239281f8SRostislav Lisovy */ 602239281f8SRostislav Lisovy struct ieee80211_if_ocb { 603239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 604239281f8SRostislav Lisovy unsigned long wrkq_flags; 605239281f8SRostislav Lisovy 606239281f8SRostislav Lisovy spinlock_t incomplete_lock; 607239281f8SRostislav Lisovy struct list_head incomplete_stations; 608239281f8SRostislav Lisovy 609239281f8SRostislav Lisovy bool joined; 610239281f8SRostislav Lisovy }; 611239281f8SRostislav Lisovy 612239281f8SRostislav Lisovy /** 613dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 614dbf498fbSJavier Cardona * 615dbf498fbSJavier Cardona * these declarations define the interface, which enables 616dbf498fbSJavier Cardona * vendor-specific mesh synchronization 617dbf498fbSJavier Cardona * 618dbf498fbSJavier Cardona */ 619dbf498fbSJavier Cardona struct ieee802_11_elems; 620dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 621dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 622dbf498fbSJavier Cardona u16 stype, 623dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 624dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 625dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 62643552be1SThomas Pedersen 62743552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 628445cd452SMasashi Honma void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, 62943552be1SThomas Pedersen struct beacon_data *beacon); 630dbf498fbSJavier Cardona /* add other framework functions here */ 631dbf498fbSJavier Cardona }; 632dbf498fbSJavier Cardona 633b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 634b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 635b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 636b8456a14SChun-Yeow Yeoh }; 637b8456a14SChun-Yeow Yeoh 638472dbc45SJohannes Berg struct ieee80211_if_mesh { 639472dbc45SJohannes Berg struct timer_list housekeeping_timer; 640472dbc45SJohannes Berg struct timer_list mesh_path_timer; 641e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 642472dbc45SJohannes Berg 64318889231SJavier Cardona unsigned long wrkq_flags; 644f81a9dedSThomas Pedersen unsigned long mbss_changed; 645472dbc45SJohannes Berg 646472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 647472dbc45SJohannes Berg size_t mesh_id_len; 648472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6493491707aSRui Paulo u8 mesh_pp_id; 650472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6513491707aSRui Paulo u8 mesh_pm_id; 652472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6533491707aSRui Paulo u8 mesh_cc_id; 6549e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6553491707aSRui Paulo u8 mesh_sp_id; 6569e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6573491707aSRui Paulo u8 mesh_auth_id; 658d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 659d19b3bf6SRui Paulo u32 sn; 660472dbc45SJohannes Berg /* Last used PREQ ID */ 661472dbc45SJohannes Berg u32 preq_id; 662472dbc45SJohannes Berg atomic_t mpaths; 663d19b3bf6SRui Paulo /* Timestamp of last SN update */ 664d19b3bf6SRui Paulo unsigned long last_sn_update; 665dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 666dca7e943SThomas Pedersen unsigned long next_perr; 667dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 668472dbc45SJohannes Berg unsigned long last_preq; 669472dbc45SJohannes Berg struct mesh_rmc *rmc; 670472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 671472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 672472dbc45SJohannes Berg int preq_queue_len; 673472dbc45SJohannes Berg struct mesh_stats mshstats; 674472dbc45SJohannes Berg struct mesh_config mshcfg; 6751258d976SAshok Nagarajan atomic_t estab_plinks; 676472dbc45SJohannes Berg u32 mesh_seqnum; 677472dbc45SJohannes Berg bool accepting_plinks; 6785ee68e5bSJavier Cardona int num_gates; 6792b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 680581a8b0fSJavier Cardona const u8 *ie; 681581a8b0fSJavier Cardona u8 ie_len; 682b130e5ceSJavier Cardona enum { 683b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 684b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 685b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 686b130e5ceSJavier Cardona } security; 687a6dad6a2SThomas Pedersen bool user_mpm; 688dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6898ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 690dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 691dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 6923f52b7e3SMarco Porsch /* mesh power save */ 6933f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6943f52b7e3SMarco Porsch int ps_peers_light_sleep; 6953f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6963f52b7e3SMarco Porsch struct ps_data ps; 6978f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 698b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6990cb4d4dcSLuciano Coelho enum { 7000cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 7010cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 7020cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 7030cb4d4dcSLuciano Coelho } csa_role; 704b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 7058f2535b9SChun-Yeow Yeoh u16 pre_value; 70643552be1SThomas Pedersen 70743552be1SThomas Pedersen /* offset from skb->data while building IE */ 70843552be1SThomas Pedersen int meshconf_offset; 7092bdaf386SBob Copeland 71060854fd9SBob Copeland struct mesh_table *mesh_paths; 71160854fd9SBob Copeland struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */ 7122bdaf386SBob Copeland int mesh_paths_generation; 7132bdaf386SBob Copeland int mpp_paths_generation; 714472dbc45SJohannes Berg }; 715902acc78SJohannes Berg 716902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 717472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 718472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 719902acc78SJohannes Berg #else 720472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 721902acc78SJohannes Berg do { } while (0) 722902acc78SJohannes Berg #endif 723f0706e82SJiri Benc 724213cd118SJohannes Berg /** 725213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 726213cd118SJohannes Berg * 727213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 728213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 729213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 730213cd118SJohannes Berg * associated stations and deliver multicast frames both 731213cd118SJohannes Berg * back to wireless media and to the local net stack. 73295acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7337b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 734213cd118SJohannes Berg */ 735213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 736213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7377986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7387986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 73995acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7407b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 741213cd118SJohannes Berg }; 742213cd118SJohannes Berg 74334d4bc4dSJohannes Berg /** 74434d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 74534d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 74634d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 74734d4bc4dSJohannes Berg * change handling while the interface is up 7485b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7495b714c6aSJohannes Berg * mode, so queues are stopped 750d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 751d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 75234d4bc4dSJohannes Berg */ 75334d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 75434d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7555b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 756d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 75734d4bc4dSJohannes Berg }; 75834d4bc4dSJohannes Berg 759d01a1e65SMichal Kazior /** 760d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 761d01a1e65SMichal Kazior * 762d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 763d01a1e65SMichal Kazior * multiple interfaces 764d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 765d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 766d01a1e65SMichal Kazior * non-fixed channel IBSS. 767d01a1e65SMichal Kazior */ 768d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 769d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 770d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 771d01a1e65SMichal Kazior }; 772d01a1e65SMichal Kazior 7735bcae31dSMichal Kazior /** 7745bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7755bcae31dSMichal Kazior * 7765bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7775bcae31dSMichal Kazior * context switch/swap. 7785bcae31dSMichal Kazior * 7795bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7805bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7815bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7825bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7835bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7845bcae31dSMichal Kazior */ 7855bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7865bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7875bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7885bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7895bcae31dSMichal Kazior }; 7905bcae31dSMichal Kazior 791d01a1e65SMichal Kazior struct ieee80211_chanctx { 792d01a1e65SMichal Kazior struct list_head list; 793d01a1e65SMichal Kazior struct rcu_head rcu_head; 794d01a1e65SMichal Kazior 795484298adSMichal Kazior struct list_head assigned_vifs; 796e3afb920SMichal Kazior struct list_head reserved_vifs; 797484298adSMichal Kazior 7985bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 7995bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 8005bcae31dSMichal Kazior 801d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 8028a61af65SJohannes Berg bool driver_present; 803d01a1e65SMichal Kazior 804d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 805d01a1e65SMichal Kazior }; 806d01a1e65SMichal Kazior 80732db6b54SKyeyoon Park struct mac80211_qos_map { 80832db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 80932db6b54SKyeyoon Park struct rcu_head rcu_head; 81032db6b54SKyeyoon Park }; 81132db6b54SKyeyoon Park 812ba8c3d6fSFelix Fietkau enum txq_info_flags { 813ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 814ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 8156e0456b5SFelix Fietkau IEEE80211_TXQ_NO_AMSDU, 816ba8c3d6fSFelix Fietkau }; 817ba8c3d6fSFelix Fietkau 818fa962b92SMichal Kazior /** 819fa962b92SMichal Kazior * struct txq_info - per tid queue 820fa962b92SMichal Kazior * 821fa962b92SMichal Kazior * @tin: contains packets split into multiple flows 822fa962b92SMichal Kazior * @def_flow: used as a fallback flow when a packet destined to @tin hashes to 823fa962b92SMichal Kazior * a fq_flow which is already owned by a different tin 8245caa328eSMichal Kazior * @def_cvars: codel vars for @def_flow 825bb42f2d1SToke Høiland-Jørgensen * @frags: used to keep fragments created after dequeue 826fa962b92SMichal Kazior */ 827ba8c3d6fSFelix Fietkau struct txq_info { 828fa962b92SMichal Kazior struct fq_tin tin; 829fa962b92SMichal Kazior struct fq_flow def_flow; 8305caa328eSMichal Kazior struct codel_vars def_cvars; 8318d51dbb8SToke Høiland-Jørgensen struct codel_stats cstats; 832bb42f2d1SToke Høiland-Jørgensen struct sk_buff_head frags; 833ba8c3d6fSFelix Fietkau unsigned long flags; 834ba8c3d6fSFelix Fietkau 835ba8c3d6fSFelix Fietkau /* keep last! */ 836ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 837ba8c3d6fSFelix Fietkau }; 838ba8c3d6fSFelix Fietkau 839d8212184SAviya Erenfeld struct ieee80211_if_mntr { 840d8212184SAviya Erenfeld u32 flags; 84142bd20d9SAviya Erenfeld u8 mu_follow_addr[ETH_ALEN] __aligned(2); 842f64331d5SJohannes Berg 843f64331d5SJohannes Berg struct list_head list; 844d8212184SAviya Erenfeld }; 845d8212184SAviya Erenfeld 8465953ff6dSAyala Beker /** 8475953ff6dSAyala Beker * struct ieee80211_if_nan - NAN state 8485953ff6dSAyala Beker * 8495953ff6dSAyala Beker * @conf: current NAN configuration 850167e33f4SAyala Beker * @func_ids: a bitmap of available instance_id's 8515953ff6dSAyala Beker */ 8525953ff6dSAyala Beker struct ieee80211_if_nan { 8535953ff6dSAyala Beker struct cfg80211_nan_conf conf; 854167e33f4SAyala Beker 855167e33f4SAyala Beker /* protects function_inst_ids */ 856167e33f4SAyala Beker spinlock_t func_lock; 857167e33f4SAyala Beker struct idr function_inst_ids; 8585953ff6dSAyala Beker }; 8595953ff6dSAyala Beker 860f0706e82SJiri Benc struct ieee80211_sub_if_data { 861f0706e82SJiri Benc struct list_head list; 862f0706e82SJiri Benc 863f0706e82SJiri Benc struct wireless_dev wdev; 864f0706e82SJiri Benc 86511a843b7SJohannes Berg /* keys */ 86611a843b7SJohannes Berg struct list_head key_list; 86711a843b7SJohannes Berg 8683bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8693bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8708d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8718d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8723bff1865SYogesh Ashok Powar 873f0706e82SJiri Benc struct net_device *dev; 874f0706e82SJiri Benc struct ieee80211_local *local; 875f0706e82SJiri Benc 87613262ffdSJiri Slaby unsigned int flags; 8777e9ed188SDaniel Drake 87834d4bc4dSJohannes Berg unsigned long state; 87934d4bc4dSJohannes Berg 88047846c9bSJohannes Berg char name[IFNAMSIZ]; 88147846c9bSJohannes Berg 882f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 883f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 884f0706e82SJiri Benc unsigned int fragment_next; 885f0706e82SJiri Benc 886b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 887b53be792SSimon Wunderlich u16 noack_map; 888b53be792SSimon Wunderlich 88900e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 89000e96decSYoni Divinsky u8 wmm_acm; 89100e96decSYoni Divinsky 89240b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 89340b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 89440b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 89540b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 896f0706e82SJiri Benc 89794778280SJohannes Berg u16 sequence_number; 898a621fa4dSJohannes Berg __be16 control_port_protocol; 899a621fa4dSJohannes Berg bool control_port_no_encrypt; 9002475b1ccSMax Stepanov int encrypt_headroom; 90194778280SJohannes Berg 90280a83cfcSMichal Kazior atomic_t num_tx_queued; 90354bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 90432db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 905f6f3def3SEliad Peller 90673da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 90759af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 90833787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 90973da7d5bSSimon Wunderlich 910484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 911e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 912484298adSMichal Kazior 91311335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 91411335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 91511335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 91609332481SMichal Kazior bool reserved_radar_required; 9175bcae31dSMichal Kazior bool reserved_ready; 91811335a55SLuciano Coelho 91904ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 92004ecd257SJohannes Berg struct work_struct recalc_smps; 92104ecd257SJohannes Berg 92264592c8fSJohannes Berg struct work_struct work; 92335f20c14SJohannes Berg struct sk_buff_head skb_queue; 92435f20c14SJohannes Berg 92504ecd257SJohannes Berg u8 needed_rx_chains; 92604ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 92704ecd257SJohannes Berg 9281ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 9291ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 9301ea6f9c0SJohannes Berg 931164eb02dSSimon Wunderlich bool radar_required; 932164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 933164eb02dSSimon Wunderlich 9343e122be0SJohannes Berg /* 9353e122be0SJohannes Berg * AP this belongs to: self in AP mode and 9363e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 9373e122be0SJohannes Berg * all others (might be needed later in IBSS) 9383e122be0SJohannes Berg */ 9393e122be0SJohannes Berg struct ieee80211_if_ap *bss; 9403e122be0SJohannes Berg 94137eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 94257fbcce3SJohannes Berg u32 rc_rateidx_mask[NUM_NL80211_BANDS]; 9432ffbe6d3SFelix Fietkau 94457fbcce3SJohannes Berg bool rc_has_mcs_mask[NUM_NL80211_BANDS]; 94557fbcce3SJohannes Berg u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 946f0706e82SJiri Benc 94757fbcce3SJohannes Berg bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; 94857fbcce3SJohannes Berg u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; 949b119ad6eSLorenzo Bianconi 950f0706e82SJiri Benc union { 951f0706e82SJiri Benc struct ieee80211_if_ap ap; 952f0706e82SJiri Benc struct ieee80211_if_wds wds; 953f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 95446900298SJohannes Berg struct ieee80211_if_managed mgd; 95546900298SJohannes Berg struct ieee80211_if_ibss ibss; 956472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 957239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 958d8212184SAviya Erenfeld struct ieee80211_if_mntr mntr; 9595953ff6dSAyala Beker struct ieee80211_if_nan nan; 960f0706e82SJiri Benc } u; 961e9f207f0SJiri Benc 962e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 963e9f207f0SJiri Benc struct { 964295bafb4SBen Greear struct dentry *subdir_stations; 965f7e0104cSJohannes Berg struct dentry *default_unicast_key; 966f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9673cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 9687bcfaf2fSJohannes Berg } debugfs; 969e9f207f0SJiri Benc #endif 970529ba6e9SJohannes Berg 97132bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 97232bfd35dSJohannes Berg struct ieee80211_vif vif; 973f0706e82SJiri Benc }; 974f0706e82SJiri Benc 97532bfd35dSJohannes Berg static inline 97632bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 97732bfd35dSJohannes Berg { 97832bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 97932bfd35dSJohannes Berg } 98032bfd35dSJohannes Berg 9818d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 9828d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 9838d61ffa5SJohannes Berg { 9848d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 9858d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 9868d61ffa5SJohannes Berg } 9878d61ffa5SJohannes Berg 9888d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 9898d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 9908d61ffa5SJohannes Berg { 9918d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 9928d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 9938d61ffa5SJohannes Berg } 9948d61ffa5SJohannes Berg 9957ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 9967ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 9977ca133bcSSimon Wunderlich 9988d61ffa5SJohannes Berg static inline void 9998d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 10008d61ffa5SJohannes Berg { 10018d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 10028d61ffa5SJohannes Berg } 10038d61ffa5SJohannes Berg 1004438b61b7SSimon Wunderlich static inline int 1005438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 1006438b61b7SSimon Wunderlich { 1007438b61b7SSimon Wunderlich switch (chandef->width) { 1008438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 1009438b61b7SSimon Wunderlich return 2; 1010438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 1011438b61b7SSimon Wunderlich return 1; 1012438b61b7SSimon Wunderlich default: 1013438b61b7SSimon Wunderlich return 0; 1014438b61b7SSimon Wunderlich } 1015438b61b7SSimon Wunderlich } 1016438b61b7SSimon Wunderlich 1017438b61b7SSimon Wunderlich static inline int 1018438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 1019438b61b7SSimon Wunderlich { 1020438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 1021438b61b7SSimon Wunderlich int shift = 0; 1022438b61b7SSimon Wunderlich 1023438b61b7SSimon Wunderlich rcu_read_lock(); 1024438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 1025438b61b7SSimon Wunderlich if (chanctx_conf) 1026438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 1027438b61b7SSimon Wunderlich rcu_read_unlock(); 1028438b61b7SSimon Wunderlich 1029438b61b7SSimon Wunderlich return shift; 1030438b61b7SSimon Wunderlich } 1031438b61b7SSimon Wunderlich 103208cf42e8SMichal Kazior struct ieee80211_rx_agg { 103308cf42e8SMichal Kazior u8 addr[ETH_ALEN]; 103408cf42e8SMichal Kazior u16 tid; 103508cf42e8SMichal Kazior }; 103608cf42e8SMichal Kazior 1037c1475ca9SJohannes Berg enum sdata_queue_type { 1038c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 103908cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_START = 3, 104008cf42e8SMichal Kazior IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4, 1041c1475ca9SJohannes Berg }; 1042c1475ca9SJohannes Berg 1043f0706e82SJiri Benc enum { 1044f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1045f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1046f0706e82SJiri Benc }; 1047f0706e82SJiri Benc 1048ce7c9111SKalle Valo enum queue_stop_reason { 1049ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1050520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 105196f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 105296f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 105325420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10548f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10556c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1056445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1057db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1058b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1059cca07b00SLuciano Coelho 1060cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1061ce7c9111SKalle Valo }; 1062ce7c9111SKalle Valo 106365a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1064e1e54068SJohannes Berg struct tpt_led_trigger { 1065e1e54068SJohannes Berg char name[32]; 1066e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1067e1e54068SJohannes Berg unsigned int blink_table_len; 1068e1e54068SJohannes Berg struct timer_list timer; 1069e1e54068SJohannes Berg unsigned long prev_traffic; 1070e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 107167408c8cSJohannes Berg unsigned int active, want; 107267408c8cSJohannes Berg bool running; 1073e1e54068SJohannes Berg }; 107465a6538aSLuciano Coelho #endif 1075e1e54068SJohannes Berg 1076142b9f50SHelmut Schaa /** 1077142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1078142b9f50SHelmut Schaa * 1079142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1080142b9f50SHelmut Schaa * well be on the operating channel 1081142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1082142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10838a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10848a690674SBen Greear * channel. This should not interrupt normal traffic. 10858789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10868789d459SJohannes Berg * that the scan completed. 10878789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 10888789d459SJohannes Berg * a scan complete for an aborted scan. 1089a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1090a754055aSEmmanuel Grumbach * cancelled. 1091142b9f50SHelmut Schaa */ 1092fbe9c429SHelmut Schaa enum { 1093fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1094142b9f50SHelmut Schaa SCAN_HW_SCANNING, 10958a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 10968789d459SJohannes Berg SCAN_COMPLETED, 10978789d459SJohannes Berg SCAN_ABORTED, 1098a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1099142b9f50SHelmut Schaa }; 1100142b9f50SHelmut Schaa 1101142b9f50SHelmut Schaa /** 1102142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1103142b9f50SHelmut Schaa * 1104142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1105142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1106142b9f50SHelmut Schaa * operating channel 1107142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1108142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 110907ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 111007ef03eeSJohannes Berg * send out data 111107ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1112cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1113142b9f50SHelmut Schaa */ 1114142b9f50SHelmut Schaa enum mac80211_scan_state { 1115142b9f50SHelmut Schaa SCAN_DECISION, 1116142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1117142b9f50SHelmut Schaa SCAN_SEND_PROBE, 111807ef03eeSJohannes Berg SCAN_SUSPEND, 111907ef03eeSJohannes Berg SCAN_RESUME, 1120cd2bb512SSam Leffler SCAN_ABORT, 1121fbe9c429SHelmut Schaa }; 1122fbe9c429SHelmut Schaa 1123f0706e82SJiri Benc struct ieee80211_local { 1124f0706e82SJiri Benc /* embed the driver visible part. 1125f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1126f0706e82SJiri Benc * it first anyway so they become a no-op */ 1127f0706e82SJiri Benc struct ieee80211_hw hw; 1128f0706e82SJiri Benc 1129fa962b92SMichal Kazior struct fq fq; 11305caa328eSMichal Kazior struct codel_vars *cvars; 11315caa328eSMichal Kazior struct codel_params cparams; 1132fa962b92SMichal Kazior 1133f0706e82SJiri Benc const struct ieee80211_ops *ops; 1134f0706e82SJiri Benc 113542935ecaSLuis R. Rodriguez /* 113642935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 113742935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 113842935ecaSLuis R. Rodriguez */ 113942935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 114042935ecaSLuis R. Rodriguez 1141e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1142cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 114396f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1144ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 114596f5e66eSJohannes Berg 1146f0706e82SJiri Benc int open_count; 11473d30d949SMichael Wu int monitors, cooked_mntrs; 11488cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11497be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11507be5086dSJohannes Berg fif_probe_req; 11517be5086dSJohannes Berg int probe_req_reg; 11524150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11533b8d81e0SJohannes Berg 11543ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11553ffc2a90SJohannes Berg 1156fe57d9f5SJohannes Berg bool use_chanctx; 1157fe57d9f5SJohannes Berg 11583b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11593b8d81e0SJohannes Berg spinlock_t filter_lock; 11603b8d81e0SJohannes Berg 11613ac64beeSJohannes Berg /* used for uploading changed mc list */ 11623ac64beeSJohannes Berg struct work_struct reconfig_filter; 11633ac64beeSJohannes Berg 11643b8d81e0SJohannes Berg /* aggregated multicast list */ 116522bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11663b8d81e0SJohannes Berg 1167d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11685bb644a0SJohannes Berg 11695bb644a0SJohannes Berg /* 11705bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11715bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11725bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11735bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11745bb644a0SJohannes Berg */ 11755bb644a0SJohannes Berg bool suspended; 11765bb644a0SJohannes Berg 11775bb644a0SJohannes Berg /* 1178ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1179ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1180ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1181ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1182ceb99fe0SJohannes Berg */ 1183ceb99fe0SJohannes Berg bool resuming; 1184ceb99fe0SJohannes Berg 1185ceb99fe0SJohannes Berg /* 11865bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 11875bb644a0SJohannes Berg * ease timer cancelling etc. 11885bb644a0SJohannes Berg */ 11895bb644a0SJohannes Berg bool quiescing; 11905bb644a0SJohannes Berg 1191ea77f12fSJohannes Berg /* device is started */ 1192ea77f12fSJohannes Berg bool started; 1193ea77f12fSJohannes Berg 119404800adaSArik Nemtsov /* device is during a HW reconfig */ 119504800adaSArik Nemtsov bool in_reconfig; 119604800adaSArik Nemtsov 1197eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1198eecc4800SJohannes Berg bool wowlan; 1199eecc4800SJohannes Berg 1200164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1201164eb02dSSimon Wunderlich 120204ecd257SJohannes Berg /* number of RX chains the hardware has */ 120304ecd257SJohannes Berg u8 rx_chains; 120404ecd257SJohannes Berg 1205b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1206f0706e82SJiri Benc 1207f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1208f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1209f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1210f0706e82SJiri Benc * queues increases over the limit. */ 1211f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1212f0706e82SJiri Benc struct tasklet_struct tasklet; 1213f0706e82SJiri Benc struct sk_buff_head skb_queue; 1214f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1215f0706e82SJiri Benc 1216f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 121724a8fdadSChristian Lamparter 1218d0709a65SJohannes Berg /* Station data */ 1219d0709a65SJohannes Berg /* 12204d33960bSJohannes Berg * The mutex only protects the list, hash table and 12214d33960bSJohannes Berg * counter, reads are done with RCU. 1222d0709a65SJohannes Berg */ 122334e89507SJohannes Berg struct mutex sta_mtx; 12244d33960bSJohannes Berg spinlock_t tim_lock; 1225d0709a65SJohannes Berg unsigned long num_sta; 12264d33960bSJohannes Berg struct list_head sta_list; 122783e7e4ceSHerbert Xu struct rhltable sta_hash; 1228f0706e82SJiri Benc struct timer_list sta_cleanup; 1229f5ea9120SJohannes Berg int sta_generation; 1230f0706e82SJiri Benc 12312a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1232f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1233f0706e82SJiri Benc 1234a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1235cd8ffc80SJohannes Berg 1236df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1237df140465SJohannes Berg atomic_t iff_allmultis; 1238f0706e82SJiri Benc 1239f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1240f0706e82SJiri Benc 12415f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 12425f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1243f0706e82SJiri Benc u32 wep_iv; 1244f0706e82SJiri Benc 1245c771c9d8SJohannes Berg /* see iface.c */ 124679010420SJohannes Berg struct list_head interfaces; 1247f64331d5SJohannes Berg struct list_head mon_list; /* only that are IFF_UP && !cooked */ 1248c771c9d8SJohannes Berg struct mutex iflist_mtx; 124979010420SJohannes Berg 1250b16bd15cSJohannes Berg /* 1251ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1252b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1253b16bd15cSJohannes Berg */ 1254ad0e2b5aSJohannes Berg struct mutex key_mtx; 1255b16bd15cSJohannes Berg 1256a1699b75SJohannes Berg /* mutex for scan and work locking */ 1257a1699b75SJohannes Berg struct mutex mtx; 1258b16bd15cSJohannes Berg 1259c2b13452SJohannes Berg /* Scanning and BSS list */ 1260fbe9c429SHelmut Schaa unsigned long scanning; 12612a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12625ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12636ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1264c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12657ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 126657fbcce3SJohannes Berg enum nl80211_band hw_scan_band; 1267f0706e82SJiri Benc int scan_channel_idx; 1268de95a54bSJohannes Berg int scan_ies_len; 1269c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12707947d3e0SAvraham Stern struct cfg80211_scan_info scan_info; 12718318d78aSJohannes Berg 127285a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 12735260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 12746ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1275a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 127679f460caSLuciano Coelho 1277df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1278977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1279f0706e82SJiri Benc struct delayed_work scan_work; 1280e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 128155de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1282675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1283f0706e82SJiri Benc 1284b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1285b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1286b8bc4b0aSJohannes Berg 1287d01a1e65SMichal Kazior /* channel contexts */ 1288d01a1e65SMichal Kazior struct list_head chanctx_list; 1289d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1290d01a1e65SMichal Kazior 1291c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 12928d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 12938d5c2585SJohannes Berg struct led_trigger tpt_led; 12948d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 12958d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1296c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1297c206ca67SJohannes Berg #endif 1298c206ca67SJohannes Berg 1299c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1300f0706e82SJiri Benc /* SNMP counters */ 1301f0706e82SJiri Benc /* dot11CountersTable */ 1302f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1303f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1304f0706e82SJiri Benc u32 dot11FailedCount; 1305f0706e82SJiri Benc u32 dot11RetryCount; 1306f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1307f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1308f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1309f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1310f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1311f0706e82SJiri Benc 1312f0706e82SJiri Benc /* TX/RX handler statistics */ 1313f0706e82SJiri Benc unsigned int tx_handlers_drop; 1314f0706e82SJiri Benc unsigned int tx_handlers_queued; 1315f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1316f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1317f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1318f0706e82SJiri Benc unsigned int rx_handlers_drop; 1319f0706e82SJiri Benc unsigned int rx_handlers_queued; 1320f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1321f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1322f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1323f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1324f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1325f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1326f0706e82SJiri Benc unsigned int tx_status_drop; 1327f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1328f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1329f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1330f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1331f0706e82SJiri Benc 1332f0706e82SJiri Benc 1333f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1334f0706e82SJiri Benc * multicast packets for power saving stations 1335f0706e82SJiri Benc */ 1336520eb820SKalle Valo 1337572e0012SKalle Valo bool pspolling; 1338b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1339965bedadSJohannes Berg /* 1340965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1341965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1342965bedadSJohannes Berg */ 1343965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1344520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1345520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1346520eb820SKalle Valo struct timer_list dynamic_ps_timer; 13472b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1348a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1349f0706e82SJiri Benc 1350ff616381SJuuso Oikarinen /* 1351ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1352ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1353ff616381SJuuso Oikarinen */ 1354ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1355ff616381SJuuso Oikarinen 13561ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13572bf30fabSJohannes Berg 13580f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13590f78231bSJohannes Berg 1360f2753ddbSJohannes Berg struct work_struct restart_work; 1361f2753ddbSJohannes Berg 1362e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1363e9f207f0SJiri Benc struct local_debugfsdentries { 13644b7679a5SJohannes Berg struct dentry *rcdir; 1365e9f207f0SJiri Benc struct dentry *keys; 1366e9f207f0SJiri Benc } debugfs; 1367e9f207f0SJiri Benc #endif 13684e6cbfd0SJohn W. Linville 13692eb278e0SJohannes Berg /* 13702eb278e0SJohannes Berg * Remain-on-channel support 13712eb278e0SJohannes Berg */ 1372aaa016ccSJohannes Berg struct delayed_work roc_work; 13732eb278e0SJohannes Berg struct list_head roc_list; 137421f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 13752eb278e0SJohannes Berg unsigned long hw_roc_start_time; 137650febf6aSJohannes Berg u64 roc_cookie_counter; 137721f83589SJohannes Berg 1378a729cff8SJohannes Berg struct idr ack_status_frames; 1379a729cff8SJohannes Berg spinlock_t ack_status_lock; 1380a729cff8SJohannes Berg 1381f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1382f142c6b9SJohannes Berg 13834b6f1dd6SJohannes Berg /* virtual monitor interface */ 13844b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 13854bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1386e9a21949SLuciano Coelho 1387e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1388e9a21949SLuciano Coelho u8 ext_capa[8]; 1389c8ff71e6SArik Nemtsov 1390c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1391c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1392c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1393f0706e82SJiri Benc }; 1394f0706e82SJiri Benc 13953e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 13963e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 13973e122be0SJohannes Berg { 13983e122be0SJohannes Berg return netdev_priv(dev); 13993e122be0SJohannes Berg } 14003e122be0SJohannes Berg 140171bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 140271bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 140371bbc994SJohannes Berg { 140471bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 140571bbc994SJohannes Berg } 140671bbc994SJohannes Berg 140721a8e9ddSMohammed Shafi Shajakhan static inline struct ieee80211_supported_band * 140821a8e9ddSMohammed Shafi Shajakhan ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) 140921a8e9ddSMohammed Shafi Shajakhan { 141021a8e9ddSMohammed Shafi Shajakhan struct ieee80211_local *local = sdata->local; 141121a8e9ddSMohammed Shafi Shajakhan struct ieee80211_chanctx_conf *chanctx_conf; 141221a8e9ddSMohammed Shafi Shajakhan enum nl80211_band band; 141321a8e9ddSMohammed Shafi Shajakhan 141421a8e9ddSMohammed Shafi Shajakhan rcu_read_lock(); 141521a8e9ddSMohammed Shafi Shajakhan chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 141621a8e9ddSMohammed Shafi Shajakhan 141721a8e9ddSMohammed Shafi Shajakhan if (WARN_ON(!chanctx_conf)) { 141821a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 141921a8e9ddSMohammed Shafi Shajakhan return NULL; 142021a8e9ddSMohammed Shafi Shajakhan } 142121a8e9ddSMohammed Shafi Shajakhan 142221a8e9ddSMohammed Shafi Shajakhan band = chanctx_conf->def.chan->band; 142321a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 142421a8e9ddSMohammed Shafi Shajakhan 142521a8e9ddSMohammed Shafi Shajakhan return local->hw.wiphy->bands[band]; 142621a8e9ddSMohammed Shafi Shajakhan } 142721a8e9ddSMohammed Shafi Shajakhan 1428c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1429c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1430c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1431c0f17eb9SChun-Yeow Yeoh u8 mode; 1432c0f17eb9SChun-Yeow Yeoh u8 count; 1433c0f17eb9SChun-Yeow Yeoh u8 ttl; 14343f718fd8SChun-Yeow Yeoh u16 pre_value; 1435c0f17eb9SChun-Yeow Yeoh }; 1436c0f17eb9SChun-Yeow Yeoh 1437dd76986bSJohannes Berg /* Parsed Information Elements */ 1438dd76986bSJohannes Berg struct ieee802_11_elems { 14394a3cb702SJohannes Berg const u8 *ie_start; 1440dd76986bSJohannes Berg size_t total_len; 1441dd76986bSJohannes Berg 1442dd76986bSJohannes Berg /* pointers to IEs */ 144353837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 144453837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 14459041c1faSArik Nemtsov const u8 *ext_capab; 14464a3cb702SJohannes Berg const u8 *ssid; 14474a3cb702SJohannes Berg const u8 *supp_rates; 14484a3cb702SJohannes Berg const u8 *ds_params; 14494a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 14504a3cb702SJohannes Berg const u8 *challenge; 14514a3cb702SJohannes Berg const u8 *rsn; 14524a3cb702SJohannes Berg const u8 *erp_info; 14534a3cb702SJohannes Berg const u8 *ext_supp_rates; 14544a3cb702SJohannes Berg const u8 *wmm_info; 14554a3cb702SJohannes Berg const u8 *wmm_param; 14564a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14574a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14584a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14594a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14604a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 14614a3cb702SJohannes Berg const u8 *mesh_id; 14624a3cb702SJohannes Berg const u8 *peering; 14634a3cb702SJohannes Berg const __le16 *awake_window; 14644a3cb702SJohannes Berg const u8 *preq; 14654a3cb702SJohannes Berg const u8 *prep; 14664a3cb702SJohannes Berg const u8 *perr; 14674a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 14684a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1469b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1470b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 14714a3cb702SJohannes Berg const u8 *country_elem; 14724a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1473c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 147479ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 14754a3cb702SJohannes Berg const u8 *opmode_notif; 147685220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 14778f2535b9SChun-Yeow Yeoh const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1478e38a017bSAvraham Stern const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; 1479dd76986bSJohannes Berg 1480dd76986bSJohannes Berg /* length of them, respectively */ 14819041c1faSArik Nemtsov u8 ext_capab_len; 1482dd76986bSJohannes Berg u8 ssid_len; 1483dd76986bSJohannes Berg u8 supp_rates_len; 1484dd76986bSJohannes Berg u8 tim_len; 1485dd76986bSJohannes Berg u8 challenge_len; 1486dd76986bSJohannes Berg u8 rsn_len; 1487dd76986bSJohannes Berg u8 ext_supp_rates_len; 1488dd76986bSJohannes Berg u8 wmm_info_len; 1489dd76986bSJohannes Berg u8 wmm_param_len; 1490dd76986bSJohannes Berg u8 mesh_id_len; 1491dd76986bSJohannes Berg u8 peering_len; 1492dd76986bSJohannes Berg u8 preq_len; 1493dd76986bSJohannes Berg u8 prep_len; 1494dd76986bSJohannes Berg u8 perr_len; 1495dd76986bSJohannes Berg u8 country_elem_len; 1496fcff4f10SPaul Stewart 1497fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1498fcff4f10SPaul Stewart bool parse_error; 1499dd76986bSJohannes Berg }; 1500dd76986bSJohannes Berg 1501f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1502f0706e82SJiri Benc struct ieee80211_hw *hw) 1503f0706e82SJiri Benc { 1504f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1505f0706e82SJiri Benc } 1506f0706e82SJiri Benc 1507ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1508ba8c3d6fSFelix Fietkau { 1509ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1510ba8c3d6fSFelix Fietkau } 1511f0706e82SJiri Benc 1512bb42f2d1SToke Høiland-Jørgensen static inline bool txq_has_queue(struct ieee80211_txq *txq) 1513bb42f2d1SToke Høiland-Jørgensen { 1514bb42f2d1SToke Høiland-Jørgensen struct txq_info *txqi = to_txq_info(txq); 1515bb42f2d1SToke Høiland-Jørgensen 1516bb42f2d1SToke Høiland-Jørgensen return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); 1517bb42f2d1SToke Høiland-Jørgensen } 1518bb42f2d1SToke Høiland-Jørgensen 1519571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1520571ecf67SJohannes Berg { 1521b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1522571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1523571ecf67SJohannes Berg } 1524571ecf67SJohannes Berg 1525f4bda337SThomas Pedersen static inline bool 1526f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1527f4bda337SThomas Pedersen { 1528f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1529f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1530f4a0f0c5SJohannes Berg if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END)) 1531f4a0f0c5SJohannes Berg return true; 1532da6a4352SJohannes Berg /* can't handle non-legacy preamble yet */ 1533f4a0f0c5SJohannes Berg if (status->flag & RX_FLAG_MACTIME_PLCP_START && 1534204a7dbcSAvraham Stern status->encoding == RX_ENC_LEGACY) 1535f4a0f0c5SJohannes Berg return true; 1536f4a0f0c5SJohannes Berg return false; 1537f4bda337SThomas Pedersen } 1538571ecf67SJohannes Berg 153972f15d53SMichael Braun void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); 154072f15d53SMichael Braun void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); 154172f15d53SMichael Braun 154272f15d53SMichael Braun /* This function returns the number of multicast stations connected to this 154372f15d53SMichael Braun * interface. It returns -1 if that number is not tracked, that is for netdevs 154472f15d53SMichael Braun * not in AP or AP_VLAN mode or when using 4addr. 154572f15d53SMichael Braun */ 154672f15d53SMichael Braun static inline int 154772f15d53SMichael Braun ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) 154872f15d53SMichael Braun { 154972f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP) 155072f15d53SMichael Braun return atomic_read(&sdata->u.ap.num_mcast_sta); 155172f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) 155272f15d53SMichael Braun return atomic_read(&sdata->u.vlan.num_mcast_sta); 155372f15d53SMichael Braun return -1; 155472f15d53SMichael Braun } 155572f15d53SMichael Braun 1556f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1557f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1558f4bda337SThomas Pedersen unsigned int mpdu_len, 1559f4bda337SThomas Pedersen unsigned int mpdu_offset); 1560e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 15615cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 15629c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 15639c6bd790SJohannes Berg u32 changed); 15640d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 156546900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1566f0706e82SJiri Benc 1567a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 15685ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 15695ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1570a2fcfccbSJohannes Berg 157149ddf8e6SJohannes Berg void ieee80211_check_fast_rx(struct sta_info *sta); 157249ddf8e6SJohannes Berg void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 157349ddf8e6SJohannes Berg void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 157449ddf8e6SJohannes Berg void ieee80211_clear_fast_rx(struct sta_info *sta); 157549ddf8e6SJohannes Berg 157646900298SJohannes Berg /* STA code */ 15779c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 157877fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 157977fdaa12SJohannes Berg struct cfg80211_auth_request *req); 158077fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 158177fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 158277fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 158363c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 158477fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 158563c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1586572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1587572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 15884a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1589ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 15902b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 15911fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 15921fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 15931fa57d01SJohannes Berg struct sk_buff *skb); 1594d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1595be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1596afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 15971672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 15981672c0e3SJohannes Berg __le16 fc, bool acked); 15991a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1600b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 160102219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 16029c6bd790SJohannes Berg 160346900298SJohannes Berg /* IBSS code */ 160446900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 160546900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 16068bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 16078bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1608af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1609af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1610af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 16111fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 16121fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16131fa57d01SJohannes Berg struct sk_buff *skb); 1614cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1615cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1616cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1617cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 16181fa57d01SJohannes Berg 1619239281f8SRostislav Lisovy /* OCB code */ 1620239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1621239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1622239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1623239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1624239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1625239281f8SRostislav Lisovy struct ocb_setup *setup); 1626239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1627239281f8SRostislav Lisovy 16281fa57d01SJohannes Berg /* mesh code */ 16291fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 16301fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16311fa57d01SJohannes Berg struct sk_buff *skb); 1632b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 163366e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1634b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 163546900298SJohannes Berg 16369c6bd790SJohannes Berg /* scan/BSS handling */ 163746900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 163834bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1639be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 164076bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 164176bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 16427ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1643c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 16442a519311SJohannes Berg struct cfg80211_scan_request *req); 16455bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1646133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1647d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 16489c6bd790SJohannes Berg 16490a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1650c2b13452SJohannes Berg struct ieee80211_bss * 165198c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 165298c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 165398c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 165498c8fccfSJohannes Berg size_t len, 165598c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1656d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 165798c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1658c2b13452SJohannes Berg struct ieee80211_bss *bss); 1659ee385855SLuis Carlos Cobo 166079f460caSLuciano Coelho /* scheduled scan handling */ 1661d43c6b6eSDavid Spinadel int 1662d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1663d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 166479f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 166579f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 16660d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1667f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 166885a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 166979f460caSLuciano Coelho 1670a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1671aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1672aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 16732eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 16742eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1675c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1676c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1677a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1678a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1679a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1680a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1681a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1682a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1683a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1684a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1685a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1686b203ffc3SJouni Malinen 168773da7d5bSSimon Wunderlich /* channel switch handling */ 168873da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 168982a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 169082a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 169173da7d5bSSimon Wunderlich 16923e122be0SJohannes Berg /* interface handling */ 169347846c9bSJohannes Berg int ieee80211_iface_init(void); 169447846c9bSJohannes Berg void ieee80211_iface_exit(void); 16953e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 16966bab2e19STom Gundersen unsigned char name_assign_type, 169784efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1698ee385855SLuis Carlos Cobo struct vif_params *params); 1699f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 170005c914feSJohannes Berg enum nl80211_iftype type); 1701f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 170275636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1703382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 17045cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 170585416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 170685416a4fSChristian Lamparter const int offset); 1707f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1708f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 17093c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 17103c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1711f0706e82SJiri Benc 17121ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1713db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1714db82d8a9SLorenzo Bianconi bool update_bss); 17151ea6f9c0SJohannes Berg 17169607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 17179607e6b6SJohannes Berg { 171834d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 17199607e6b6SJohannes Berg } 17209607e6b6SJohannes Berg 1721e2ebc74dSJohannes Berg /* tx handling */ 1722e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1723e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1724d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1725d0cf9c0dSStephen Hemminger struct net_device *dev); 1726d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1727d0cf9c0dSStephen Hemminger struct net_device *dev); 172824d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 172924d342c5SLiad Kaufman struct net_device *dev, 173024d342c5SLiad Kaufman u32 info_flags); 17311f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 17321f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 17337528ec57SJohannes Berg struct sk_buff * 17347528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 17357528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 17364dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 17374dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 17384dc792b8SHelmut Schaa int retry_count, int shift, bool send_to_cooked); 1739e2ebc74dSJohannes Berg 174017c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 174117c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 174217c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 174317c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 174417c18bf8SJohannes Berg 1745de1ede7aSJohannes Berg /* HT */ 1746ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1747ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1748e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1749ef96a842SBen Greear struct ieee80211_supported_band *sband, 17504a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1751e1a0c6b3SJohannes Berg struct sta_info *sta); 1752b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1753b8695a8fSJohannes Berg const u8 *da, u16 tid, 1754b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 17550f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 17560f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 17570f78231bSJohannes Berg const u8 *bssid); 1758687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1759687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1760687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1761687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1762de1ede7aSJohannes Berg 17637c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 176453f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1765849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 176653f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 176708cf42e8SMichal Kazior void __ieee80211_start_rx_ba_session(struct sta_info *sta, 176808cf42e8SMichal Kazior u8 dialog_token, u16 timeout, 176908cf42e8SMichal Kazior u16 start_seq_num, u16 ba_policy, u16 tid, 17704549cf2bSMichal Kazior u16 buf_size, bool tx, bool auto_seq); 1771c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1772c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1773de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1774de1ede7aSJohannes Berg struct sta_info *sta, 1775de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1776de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1777de1ede7aSJohannes Berg struct sta_info *sta, 1778de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1779de1ede7aSJohannes Berg size_t len); 1780de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1781de1ede7aSJohannes Berg struct sta_info *sta, 1782de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1783de1ede7aSJohannes Berg size_t len); 1784de1ede7aSJohannes Berg 1785849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1786c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 178767c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1788c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 17897a7c0a64SJohannes Berg void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, 17907a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 17917a7c0a64SJohannes Berg void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, 17927a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 179367c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 179467c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 17952bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1796849b7967SJohannes Berg 179704ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 179804ecd257SJohannes Berg 1799818255eaSMahesh Palivela /* VHT */ 18004a3cb702SJohannes Berg void 18014a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1802818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 18034a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 18044a34215eSJohannes Berg struct sta_info *sta); 18051c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1806e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 18078921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 180859021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 180959021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 181059021c67SArik Nemtsov enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); 181159021c67SArik Nemtsov void ieee80211_sta_set_rx_nss(struct sta_info *sta); 181223a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 181323a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 1814b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1815b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 181657fbcce3SJohannes Berg enum nl80211_band band); 18170af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 18180af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 181957fbcce3SJohannes Berg enum nl80211_band band); 1820dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1821dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1822b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1823b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 18244a34215eSJohannes Berg 182539192c0bSJohannes Berg /* Spectrum management */ 182639192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 182739192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 182839192c0bSJohannes Berg size_t len); 1829e6b7cde4SSimon Wunderlich /** 1830e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1831e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1832e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1833e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1834e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1835e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1836e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1837e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1838e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1839e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1840e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1841c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1842c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1843e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1844e6b7cde4SSimon Wunderlich */ 1845e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 184684469a45SLuciano Coelho struct ieee802_11_elems *elems, 184757fbcce3SJohannes Berg enum nl80211_band current_band, 1848c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1849c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 185039192c0bSJohannes Berg 1851f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1852f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 185384f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1854f2753ddbSJohannes Berg 1855eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1856eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1857f2753ddbSJohannes Berg 1858f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1859f2753ddbSJohannes Berg { 186085f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 186185f72bc8SJohn W. Linville 18629120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 18639120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 186485f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 186585f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 186685f72bc8SJohn W. Linville 1867f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1868f2753ddbSJohannes Berg } 1869665af4fcSBob Copeland 1870c2d1560aSJohannes Berg /* utility functions/constants */ 18718a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 187257fbcce3SJohannes Berg int ieee80211_frame_duration(enum nl80211_band band, size_t len, 1873438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1874438b61b7SSimon Wunderlich int shift); 18753abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 1876cec66283SJohannes Berg bool bss_notify, bool enable_qos); 18777c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 18787c10770fSJohannes Berg struct sta_info *sta, struct sk_buff *skb); 1879cf6bb79aSHelmut Schaa 188055de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 188155de908aSJohannes Berg struct sk_buff *skb, int tid, 188257fbcce3SJohannes Berg enum nl80211_band band); 188355de908aSJohannes Berg 188455de908aSJohannes Berg static inline void 188555de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 188655de908aSJohannes Berg struct sk_buff *skb, int tid, 188757fbcce3SJohannes Berg enum nl80211_band band) 188855de908aSJohannes Berg { 188955de908aSJohannes Berg rcu_read_lock(); 189055de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 189155de908aSJohannes Berg rcu_read_unlock(); 189255de908aSJohannes Berg } 189355de908aSJohannes Berg 189455de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 189555de908aSJohannes Berg struct sk_buff *skb, int tid) 189655de908aSJohannes Berg { 189755de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 189855de908aSJohannes Berg 189955de908aSJohannes Berg rcu_read_lock(); 190055de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 190155de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 190255de908aSJohannes Berg rcu_read_unlock(); 190355de908aSJohannes Berg kfree_skb(skb); 190455de908aSJohannes Berg return; 190555de908aSJohannes Berg } 190655de908aSJohannes Berg 190755de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 19084bf88530SJohannes Berg chanctx_conf->def.chan->band); 190955de908aSJohannes Berg rcu_read_unlock(); 191055de908aSJohannes Berg } 191155de908aSJohannes Berg 191255de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1913cf6bb79aSHelmut Schaa struct sk_buff *skb) 1914cf6bb79aSHelmut Schaa { 1915cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1916cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1917cf6bb79aSHelmut Schaa } 1918cf6bb79aSHelmut Schaa 191935d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 1920d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1921d91f36dbSJohannes Berg u64 filter, u32 crc); 192235d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 192335d865afSJohannes Berg bool action, 1924ddc4db2eSJohannes Berg struct ieee802_11_elems *elems) 1925ddc4db2eSJohannes Berg { 1926b2e506bfSJohannes Berg ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); 1927ddc4db2eSJohannes Berg } 1928ddc4db2eSJohannes Berg 192983eb935eSMichal Kazior 193002219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 193102219b3aSJohannes Berg 193202219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 193302219b3aSJohannes Berg { 193402219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 193502219b3aSJohannes Berg } 193602219b3aSJohannes Berg 1937520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1938520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1939520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1940a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1941a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1942076cdcb1SJohannes Berg bool powersave); 19433cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 19443cf335d5SKalle Valo struct ieee80211_hdr *hdr); 19454e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 194602219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 1947520eb820SKalle Valo 1948ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1949445ea4e8SJohannes Berg unsigned long queues, 1950cca07b00SLuciano Coelho enum queue_stop_reason reason, 1951cca07b00SLuciano Coelho bool refcounted); 195226da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 195326da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 195426da23b6SLuciano Coelho enum queue_stop_reason reason); 195526da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 195626da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 195726da23b6SLuciano Coelho enum queue_stop_reason reason); 1958ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1959445ea4e8SJohannes Berg unsigned long queues, 1960cca07b00SLuciano Coelho enum queue_stop_reason reason, 1961cca07b00SLuciano Coelho bool refcounted); 196296f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 1963cca07b00SLuciano Coelho enum queue_stop_reason reason, 1964cca07b00SLuciano Coelho bool refcounted); 196596f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 1966cca07b00SLuciano Coelho enum queue_stop_reason reason, 1967cca07b00SLuciano Coelho bool refcounted); 19683a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 19698f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 19708f77f384SJohannes Berg struct sk_buff *skb); 1971e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 1972e3685e03SJohannes Berg struct sk_buff_head *skbs); 197339ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 19743b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 19754f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 19764f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 19773b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 1978ce7c9111SKalle Valo 19794afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 19804afaff17SEmmanuel Grumbach { 19814afaff17SEmmanuel Grumbach /* 19824afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 19834afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 19844afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 19854afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 19864afaff17SEmmanuel Grumbach */ 19874afaff17SEmmanuel Grumbach if (local->quiescing) 19884afaff17SEmmanuel Grumbach return false; 19894afaff17SEmmanuel Grumbach 19904afaff17SEmmanuel Grumbach /* 19914afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 19924afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 19934afaff17SEmmanuel Grumbach * 19944afaff17SEmmanuel Grumbach * if (local->quiescing) 19954afaff17SEmmanuel Grumbach * return; 19964afaff17SEmmanuel Grumbach * local->quiescing = true; 19974afaff17SEmmanuel Grumbach * flush_workqueue(); 19984afaff17SEmmanuel Grumbach * queue_work(...); 19994afaff17SEmmanuel Grumbach * local->suspended = true; 20004afaff17SEmmanuel Grumbach * local->quiescing = false; 20014afaff17SEmmanuel Grumbach * worker starts running... 20024afaff17SEmmanuel Grumbach */ 20034afaff17SEmmanuel Grumbach if (local->suspended) 20044afaff17SEmmanuel Grumbach return false; 20054afaff17SEmmanuel Grumbach 20064afaff17SEmmanuel Grumbach return true; 20074afaff17SEmmanuel Grumbach } 20084afaff17SEmmanuel Grumbach 2009fa962b92SMichal Kazior int ieee80211_txq_setup_flows(struct ieee80211_local *local); 2010fa962b92SMichal Kazior void ieee80211_txq_teardown_flows(struct ieee80211_local *local); 2011fa962b92SMichal Kazior void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, 2012ba8c3d6fSFelix Fietkau struct sta_info *sta, 2013ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 2014fa962b92SMichal Kazior void ieee80211_txq_purge(struct ieee80211_local *local, 2015fa962b92SMichal Kazior struct txq_info *txqi); 201646900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 2017700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 20184a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 20191672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 20201672c0e3SJohannes Berg u32 tx_flags); 20216ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 20226ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 20236ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 2024de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 2025c56ef672SDavid Spinadel size_t buffer_len, 2026c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 2027c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 2028c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 20292103dec1SSimon Wunderlich struct cfg80211_chan_def *chandef); 2030a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 2031a344d677SJohannes Berg const u8 *src, const u8 *dst, 2032a344d677SJohannes Berg u32 ratemask, 20336b77863bSJohannes Berg struct ieee80211_channel *chan, 2034a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 2035a806c558SPaul Stewart const u8 *ie, size_t ie_len, 2036a806c558SPaul Stewart bool directed); 2037a344d677SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, 2038a344d677SJohannes Berg const u8 *src, const u8 *dst, 2039de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 2040a806c558SPaul Stewart const u8 *ie, size_t ie_len, 20411672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 204255de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 204346900298SJohannes Berg 20442103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 204546900298SJohannes Berg struct ieee802_11_elems *elems, 204657fbcce3SJohannes Berg enum nl80211_band band, u32 *basic_rates); 2047687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2048687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 2049687da132SEmmanuel Grumbach int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 20500f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 205104ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 205221f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 205346900298SJohannes Berg 20548e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 2055ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 205642e7aa77SAlexander Simon u16 cap); 2057074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 20584bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 205957f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 2060ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2061ba0afa2fSMahesh Palivela u32 cap); 2062fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2063fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 20642103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 20652103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 20662103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 2067fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 20686b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 206957fbcce3SJohannes Berg enum nl80211_band band); 2070fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 20716b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 207257fbcce3SJohannes Berg enum nl80211_band band); 207340b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 20748e664fb3SJohannes Berg 2075f444de05SJohannes Berg /* channel management */ 20768ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 20774bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 20788ac3c704SJohannes Berg bool ieee80211_chandef_vht_oper(const struct ieee80211_vht_operation *oper, 2079abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 2080e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 2081f444de05SJohannes Berg 2082d01a1e65SMichal Kazior int __must_check 2083d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 20844bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2085d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 20862c9b7359SJohannes Berg int __must_check 208711335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 208811335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 208909332481SMichal Kazior enum ieee80211_chanctx_mode mode, 209009332481SMichal Kazior bool radar_required); 209111335a55SLuciano Coelho int __must_check 20925bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 209311335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 209411335a55SLuciano Coelho 209511335a55SLuciano Coelho int __must_check 20962c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 20972c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 20982c9b7359SJohannes Berg u32 *changed); 2099d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 21004d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 21011f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 21021f4ac5a6SJohannes Berg bool clear); 2103c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2104c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2105d01a1e65SMichal Kazior 210604ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 210704ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 210821f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 210921f659bfSEliad Peller struct ieee80211_chanctx *ctx); 21105cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2111164eb02dSSimon Wunderlich 2112164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2113164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2114164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2115164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2116c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2117c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 211804ecd257SJohannes Berg 21192475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 21202475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 21212475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 21222475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 21232475b1ccSMax Stepanov enum nl80211_iftype iftype); 21242475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 21252475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 21262475b1ccSMax Stepanov enum nl80211_iftype iftype); 2127057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2128057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 212973de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 213073de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 213173de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 213273de86a3SLuciano Coelho u8 radar_detect); 21336fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 21340fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 21350fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 21360fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 21372475b1ccSMax Stepanov 213895224fe8SArik Nemtsov /* TDLS */ 213995224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 21403b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 214195224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 214231fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 214331fa97c5SArik Nemtsov size_t extra_ies_len); 214495224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 21453b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2146c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2147a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2148a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2149a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2150a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2151a7a6bdd0SArik Nemtsov struct net_device *dev, 2152a7a6bdd0SArik Nemtsov const u8 *addr); 2153d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2154c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 215595224fe8SArik Nemtsov 2156b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2157b7ffbd7eSJohannes Berg 2158f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2159d9e8a70fSJohannes Berg #define debug_noinline noinline 2160d9e8a70fSJohannes Berg #else 2161d9e8a70fSJohannes Berg #define debug_noinline 2162d9e8a70fSJohannes Berg #endif 2163d9e8a70fSJohannes Berg 2164f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2165