1d2912cb1SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2f0706e82SJiri Benc /* 3f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 4f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 5f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 6026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 742bd20d9SAviya Erenfeld * Copyright 2013-2015 Intel Mobile Communications GmbH 823a5f0afSJohannes Berg * Copyright (C) 2018-2022 Intel Corporation 9f0706e82SJiri Benc */ 10f0706e82SJiri Benc 11f0706e82SJiri Benc #ifndef IEEE80211_I_H 12f0706e82SJiri Benc #define IEEE80211_I_H 13f0706e82SJiri Benc 14f0706e82SJiri Benc #include <linux/kernel.h> 15f0706e82SJiri Benc #include <linux/device.h> 16f0706e82SJiri Benc #include <linux/if_ether.h> 17f0706e82SJiri Benc #include <linux/interrupt.h> 18f0706e82SJiri Benc #include <linux/list.h> 19f0706e82SJiri Benc #include <linux/netdevice.h> 20f0706e82SJiri Benc #include <linux/skbuff.h> 21f0706e82SJiri Benc #include <linux/workqueue.h> 22f0706e82SJiri Benc #include <linux/types.h> 23f0706e82SJiri Benc #include <linux/spinlock.h> 24571ecf67SJohannes Berg #include <linux/etherdevice.h> 25e1e54068SJohannes Berg #include <linux/leds.h> 26a729cff8SJohannes Berg #include <linux/idr.h> 277bedd0cfSJohannes Berg #include <linux/rhashtable.h> 28779969e3SJohannes Berg #include <linux/rbtree.h> 29fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 3093da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3151cb6db0SDavid S. Miller #include <net/mac80211.h> 32fa962b92SMichal Kazior #include <net/fq.h> 332c8dccc7SJohannes Berg #include "key.h" 34f0706e82SJiri Benc #include "sta_info.h" 35bdcbd8e0SJohannes Berg #include "debug.h" 36f0706e82SJiri Benc 373beea351SJohannes Berg extern const struct cfg80211_ops mac80211_config_ops; 383beea351SJohannes Berg 399cfb0009SJohannes Berg struct ieee80211_local; 40f0706e82SJiri Benc 41f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 42f0706e82SJiri Benc * associated stations are using power saving. */ 43f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 44f0706e82SJiri Benc 45f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 46f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 47f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 48f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 49f0706e82SJiri Benc 50f0706e82SJiri Benc /* Required encryption head and tailroom */ 51f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 52765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 53f0706e82SJiri Benc 541ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 551ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 561ea6f9c0SJohannes Berg 57d6a4ed6fSArik Nemtsov /* 58aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 59aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 60aa75ebc2SMichal Kazior * enough. 61aa75ebc2SMichal Kazior * 62aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 63aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 64aa75ebc2SMichal Kazior * 65aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 66aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 67aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 68aa75ebc2SMichal Kazior * accidentally after a long time. 69aa75ebc2SMichal Kazior * 70aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 71aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 72aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 73aa75ebc2SMichal Kazior * frame support doesn't make much sense. 74d6a4ed6fSArik Nemtsov */ 75aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 76ab13315aSKalle Valo 77ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 78ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 79ab13315aSKalle Valo 80f438ceb8SEmmanuel Grumbach extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS]; 81f438ceb8SEmmanuel Grumbach 826ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 836ae16775SAntonio Quartulli 84167e33f4SAyala Beker #define IEEE80211_MAX_NAN_INSTANCE_ID 255 85167e33f4SAyala Beker 86c2b13452SJohannes Berg struct ieee80211_bss { 87ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 888c358bcdSJohannes Berg 8943ac2ca3SJouni Malinen bool wmm_used; 90ab13315aSKalle Valo bool uapsd_supported; 9100d3f14cSJohannes Berg 92f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 93f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 94f0706e82SJiri Benc size_t supp_rates_len; 95817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 96f0706e82SJiri Benc 972a333a0dSJohannes Berg u32 vht_cap_info; 982a333a0dSJohannes Berg 9900d3f14cSJohannes Berg /* 10025985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1015628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1025628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10300d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10400d3f14cSJohannes Berg */ 10500d3f14cSJohannes Berg bool has_erp_value; 1065628221cSDaniel Drake u8 erp_value; 107fcff4f10SPaul Stewart 108fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 109fcff4f10SPaul Stewart u8 corrupt_data; 110fcff4f10SPaul Stewart 111fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 112fcff4f10SPaul Stewart u8 valid_data; 113fcff4f10SPaul Stewart }; 114fcff4f10SPaul Stewart 115fcff4f10SPaul Stewart /** 116fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 117fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 118fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 119fcff4f10SPaul Stewart * 120fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 121fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 122fcff4f10SPaul Stewart */ 123fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 124fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 125fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 126fcff4f10SPaul Stewart }; 127fcff4f10SPaul Stewart 128fcff4f10SPaul Stewart /** 129fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 130fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 131fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 132fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 133fcff4f10SPaul Stewart * 134fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 135fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 136d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 137fcff4f10SPaul Stewart * beacon/probe response. 138fcff4f10SPaul Stewart */ 139fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 140fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 141fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 142fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 143f0706e82SJiri Benc }; 144f0706e82SJiri Benc 1459efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_tx_result; 1469ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1479ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1489ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1499ae54c84SJohannes Berg 1505cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1515cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1529ae54c84SJohannes Berg 1535cf121c3SJohannes Berg struct ieee80211_tx_data { 154f0706e82SJiri Benc struct sk_buff *skb; 155252b86c4SJohannes Berg struct sk_buff_head skbs; 156f0706e82SJiri Benc struct ieee80211_local *local; 157f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 158f0706e82SJiri Benc struct sta_info *sta; 159f0706e82SJiri Benc struct ieee80211_key *key; 1600d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1615cf121c3SJohannes Berg 162056cdd59SJohannes Berg unsigned int flags; 1635cf121c3SJohannes Berg }; 1645cf121c3SJohannes Berg 1655cf121c3SJohannes Berg 1669efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_rx_result; 1675cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1685cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1695cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1705cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1715cf121c3SJohannes Berg 172554891e6SJohannes Berg /** 173554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 174554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 175554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1764cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 177554891e6SJohannes Berg * 178554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 179554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 180554891e6SJohannes Berg */ 181554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 182554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 183554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1844cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 185554891e6SJohannes Berg }; 186554891e6SJohannes Berg 187554891e6SJohannes Berg /** 188554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 189554891e6SJohannes Berg * 190554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 191ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 192ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 193554891e6SJohannes Berg * 194554891e6SJohannes Berg * These flags are used across handling multiple interfaces 195554891e6SJohannes Berg * for a single frame. 196554891e6SJohannes Berg */ 197554891e6SJohannes Berg enum ieee80211_rx_flags { 198554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 199ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 200554891e6SJohannes Berg }; 2015cf121c3SJohannes Berg 2025cf121c3SJohannes Berg struct ieee80211_rx_data { 203c5d1686bSFelix Fietkau struct list_head *list; 2045cf121c3SJohannes Berg struct sk_buff *skb; 2055cf121c3SJohannes Berg struct ieee80211_local *local; 2065cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2075cf121c3SJohannes Berg struct sta_info *sta; 2085cf121c3SJohannes Berg struct ieee80211_key *key; 209056cdd59SJohannes Berg 210056cdd59SJohannes Berg unsigned int flags; 2119e26297aSJohannes Berg 2129e26297aSJohannes Berg /* 2139e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2149e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2159e26297aSJohannes Berg * will be 16 on non-QoS frames. 2169e26297aSJohannes Berg */ 2179e26297aSJohannes Berg int seqno_idx; 2189e26297aSJohannes Berg 2199e26297aSJohannes Berg /* 2209e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2219e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2229e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2239e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2249e26297aSJohannes Berg */ 2259e26297aSJohannes Berg int security_idx; 2269e26297aSJohannes Berg 227bf30ca92SJohannes Berg union { 228bf30ca92SJohannes Berg struct { 229bf30ca92SJohannes Berg u32 iv32; 230bf30ca92SJohannes Berg u16 iv16; 231bf30ca92SJohannes Berg } tkip; 232bf30ca92SJohannes Berg struct { 233bf30ca92SJohannes Berg u8 pn[IEEE80211_CCMP_PN_LEN]; 234bf30ca92SJohannes Berg } ccm_gcm; 235bf30ca92SJohannes Berg }; 236f0706e82SJiri Benc }; 237f0706e82SJiri Benc 238af296bdbSMichal Kazior struct ieee80211_csa_settings { 239af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 240af296bdbSMichal Kazior const u16 *counter_offsets_presp; 241af296bdbSMichal Kazior 242af296bdbSMichal Kazior int n_counter_offsets_beacon; 243af296bdbSMichal Kazior int n_counter_offsets_presp; 244af296bdbSMichal Kazior 245af296bdbSMichal Kazior u8 count; 246af296bdbSMichal Kazior }; 247af296bdbSMichal Kazior 2485f9404abSJohn Crispin struct ieee80211_color_change_settings { 2495f9404abSJohn Crispin u16 counter_offset_beacon; 2505f9404abSJohn Crispin u16 counter_offset_presp; 2515f9404abSJohn Crispin u8 count; 2525f9404abSJohn Crispin }; 2535f9404abSJohn Crispin 2545dfdaf58SJohannes Berg struct beacon_data { 2555dfdaf58SJohannes Berg u8 *head, *tail; 2565dfdaf58SJohannes Berg int head_len, tail_len; 25743552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 2588552a434SJohn Crispin u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM]; 2598552a434SJohn Crispin u8 cntdwn_current_counter; 2602b3171c6SLorenzo Bianconi struct cfg80211_mbssid_elems *mbssid_ies; 2618860020eSJohannes Berg struct rcu_head rcu_head; 2625dfdaf58SJohannes Berg }; 2635dfdaf58SJohannes Berg 264aa7a0080SEyal Shapira struct probe_resp { 265aa7a0080SEyal Shapira struct rcu_head rcu_head; 266aa7a0080SEyal Shapira int len; 2678552a434SJohn Crispin u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM]; 2683c23215bSGustavo A. R. Silva u8 data[]; 269aa7a0080SEyal Shapira }; 270aa7a0080SEyal Shapira 271295b02c4SAloka Dixit struct fils_discovery_data { 272295b02c4SAloka Dixit struct rcu_head rcu_head; 273295b02c4SAloka Dixit int len; 274295b02c4SAloka Dixit u8 data[]; 275295b02c4SAloka Dixit }; 276295b02c4SAloka Dixit 277632189a0SAloka Dixit struct unsol_bcast_probe_resp_data { 278632189a0SAloka Dixit struct rcu_head rcu_head; 279632189a0SAloka Dixit int len; 280632189a0SAloka Dixit u8 data[]; 281632189a0SAloka Dixit }; 282632189a0SAloka Dixit 283d012a605SMarco Porsch struct ps_data { 284d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 285d012a605SMarco Porsch * bitmap_empty :) 286d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2875fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2885fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 289d012a605SMarco Porsch struct sk_buff_head bc_buf; 290d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 291d012a605SMarco Porsch int dtim_count; 292d012a605SMarco Porsch bool dtim_bc_mc; 293d012a605SMarco Porsch }; 294d012a605SMarco Porsch 295f0706e82SJiri Benc struct ieee80211_if_ap { 2964e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2970ec3ca44SJohannes Berg 298d012a605SMarco Porsch struct ps_data ps; 299030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 300687da132SEmmanuel Grumbach 301ebceec86SMichael Braun bool multicast_to_unicast; 302bfd8403aSJohannes Berg bool active; 303f0706e82SJiri Benc }; 304f0706e82SJiri Benc 305f0706e82SJiri Benc struct ieee80211_if_vlan { 3064e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 307f14543eeSFelix Fietkau 308f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 30940b275b6SJohannes Berg struct sta_info __rcu *sta; 31072f15d53SMichael Braun atomic_t num_mcast_sta; /* number of stations receiving multicast */ 311f0706e82SJiri Benc }; 312f0706e82SJiri Benc 313ee385855SLuis Carlos Cobo struct mesh_stats { 314c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 315c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 316c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 317ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 318ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 319cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 320ee385855SLuis Carlos Cobo }; 321ee385855SLuis Carlos Cobo 322ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 323ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 324ee385855SLuis Carlos Cobo struct mesh_preq_queue { 325ee385855SLuis Carlos Cobo struct list_head list; 326ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 327ee385855SLuis Carlos Cobo u8 flags; 328ee385855SLuis Carlos Cobo }; 329ee385855SLuis Carlos Cobo 3302eb278e0SJohannes Berg struct ieee80211_roc_work { 33177fdaa12SJohannes Berg struct list_head list; 332af6b6374SJohannes Berg 333af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 334af6b6374SJohannes Berg 335f679f65dSJohannes Berg struct ieee80211_channel *chan; 336af6b6374SJohannes Berg 3372eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 338b4b177a5SJohannes Berg bool on_channel; 339f679f65dSJohannes Berg 340aaa016ccSJohannes Berg unsigned long start_time; 341e4da8c37SJohannes Berg 3422eb278e0SJohannes Berg u32 duration, req_duration; 343f30221e4SJohannes Berg struct sk_buff *frame; 34450febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 345d339d5caSIlan Peer enum ieee80211_roc_type type; 34677fdaa12SJohannes Berg }; 34777fdaa12SJohannes Berg 34846900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 349ab1faeadSJohannes Berg enum ieee80211_sta_flags { 350b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 351b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 352a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 353b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 354ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 355375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35617e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 35724398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 358d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 359f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 360f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 361095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 362cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 36341cbb0f5SLuca Coelho IEEE80211_STA_DISABLE_HE = BIT(16), 3645dca295dSIlan Peer IEEE80211_STA_DISABLE_EHT = BIT(17), 3655dca295dSIlan Peer IEEE80211_STA_DISABLE_320MHZ = BIT(18), 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; 37694d9864cSJohannes Berg bool done, waiting; 377efb543e6SJouni Malinen bool peer_confirmed; 37889afe614SJohannes Berg bool timeout_started; 37966e67e41SJohannes Berg 3806b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3816b8ece3aSJouni Malinen size_t data_len; 3826b8ece3aSJouni Malinen u8 data[]; 38366e67e41SJohannes Berg }; 38466e67e41SJohannes Berg 38566e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38666e67e41SJohannes Berg struct cfg80211_bss *bss; 38766e67e41SJohannes Berg const u8 *supp_rates; 38866e67e41SJohannes Berg 38966e67e41SJohannes Berg unsigned long timeout; 39066e67e41SJohannes Berg int tries; 39166e67e41SJohannes Berg 39266e67e41SJohannes Berg u16 capability; 39366e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39466e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39566e67e41SJohannes Berg u8 ssid_len; 39666e67e41SJohannes Berg u8 supp_rates_len; 39776f0303dSJohannes Berg bool wmm, uapsd; 398989c6505SAlexander Bondar bool need_beacon; 39966e67e41SJohannes Berg bool synced; 40089afe614SJohannes Berg bool timeout_started; 40166e67e41SJohannes Berg 4029dde6423SJohannes Berg u8 ap_ht_param; 4039dde6423SJohannes Berg 404b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 405b08fbbd8SJohannes Berg 40639404feeSJouni Malinen u8 fils_nonces[2 * FILS_NONCE_LEN]; 40739404feeSJouni Malinen u8 fils_kek[FILS_MAX_KEK_LEN]; 40839404feeSJouni Malinen size_t fils_kek_len; 40939404feeSJouni Malinen 41066e67e41SJohannes Berg size_t ie_len; 41166e67e41SJohannes Berg u8 ie[]; 41266e67e41SJohannes Berg }; 41366e67e41SJohannes Berg 41402219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41502219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41602219b3aSJohannes Berg unsigned long time_slice_start; 41702219b3aSJohannes Berg 41802219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 41902219b3aSJohannes Berg u8 tsid; 42002219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 42102219b3aSJohannes Berg 42202219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42302219b3aSJohannes Berg u32 consumed_tx_time; 42402219b3aSJohannes Berg enum { 42502219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42602219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 42702219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 42802219b3aSJohannes Berg } action; 42902219b3aSJohannes Berg bool downgraded; 43002219b3aSJohannes Berg }; 43102219b3aSJohannes Berg 432eb1e011aSJohannes Berg DECLARE_EWMA(beacon_signal, 4, 4) 433338c17aeSJohannes Berg 43446900298SJohannes Berg struct ieee80211_if_managed { 435056cdd59SJohannes Berg struct timer_list timer; 436b291ba11SJohannes Berg struct timer_list conn_mon_timer; 437b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 438c481ec97SSujith struct timer_list chswitch_timer; 439b291ba11SJohannes Berg struct work_struct monitor_work; 440c481ec97SSujith struct work_struct chswitch_work; 4411e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 442882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44346900298SJohannes Berg 4447ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 445b291ba11SJohannes Berg unsigned long probe_timeout; 446a43abf29SMaxim Levitsky int probe_send_count; 44704ac3c0eSFelix Fietkau bool nullfunc_failed; 4483f8a39ffSJohannes Berg u8 connection_loss:1, 4493f8a39ffSJohannes Berg driver_disconnect:1, 4505dfad108SJohannes Berg reconnect:1, 4515dfad108SJohannes Berg associated:1; 452b291ba11SJohannes Berg 45366e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 45466e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45546900298SJohannes Berg 456965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 45705cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 458965bedadSJohannes Berg 459d6f2da5bSJiri Slaby unsigned int flags; 460f0706e82SJiri Benc 4611672c0e3SJohannes Berg bool status_acked; 4621672c0e3SJohannes Berg bool status_received; 4631672c0e3SJohannes Berg __le16 status_fc; 4641672c0e3SJohannes Berg 465fdfacf0aSJouni Malinen enum { 466fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 467fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 468fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 469fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 470fdfacf0aSJouni Malinen 471dc41e4d4SEliad Peller /* 472dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 473dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 474dc41e4d4SEliad Peller * to take effect. 475dc41e4d4SEliad Peller */ 476dc41e4d4SEliad Peller unsigned int uapsd_queues; 477dc41e4d4SEliad Peller 478dc41e4d4SEliad Peller /* 479dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 480dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 481dc41e4d4SEliad Peller * Needs a new association to take effect. 482dc41e4d4SEliad Peller */ 483dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 484dc41e4d4SEliad Peller 4859bc383deSJohannes Berg u8 use_4addr; 48617e4ec14SJouni Malinen 487615f7b9bSMeenakshi Venkataraman /* 488615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 489615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 490615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 491615f7b9bSMeenakshi Venkataraman */ 492615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 493ef96a842SBen Greear 494ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 495ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 496dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 497dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 4987957c6c8SThomas Pedersen struct ieee80211_s1g_cap s1g_capa; /* configured S1G overrides */ 4997957c6c8SThomas Pedersen struct ieee80211_s1g_cap s1g_capa_mask; /* valid s1g_capa bits */ 50081dd2b88SArik Nemtsov 5011277b4a9SLiad Kaufman /* TDLS support */ 50281dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 50381dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5041277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5051277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5061277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5079041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 50882c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 50902219b3aSJohannes Berg 51002219b3aSJohannes Berg /* WMM-AC TSPEC support */ 51102219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 51202219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 51302219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 51402219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 51502219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 51602219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 51702219b3aSJohannes Berg */ 51802219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 5194d9ec73dSJouni Malinen 5204d9ec73dSJouni Malinen /* Information elements from the last transmitted (Re)Association 5214d9ec73dSJouni Malinen * Request frame. 5224d9ec73dSJouni Malinen */ 5234d9ec73dSJouni Malinen u8 *assoc_req_ies; 5244d9ec73dSJouni Malinen size_t assoc_req_ies_len; 525f0706e82SJiri Benc }; 526f0706e82SJiri Benc 52746900298SJohannes Berg struct ieee80211_if_ibss { 52846900298SJohannes Berg struct timer_list timer; 529cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 53046900298SJohannes Berg 531af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5325bb644a0SJohannes Berg 533fbd2c8dcSTeemu Paasikivi u32 basic_rates; 534fbd2c8dcSTeemu Paasikivi 535af8cdcd8SJohannes Berg bool fixed_bssid; 536af8cdcd8SJohannes Berg bool fixed_channel; 537fffd0934SJohannes Berg bool privacy; 53846900298SJohannes Berg 539267335d6SAntonio Quartulli bool control_port; 5408e8d347dSSimon Wunderlich bool userspace_handles_dfs; 541267335d6SAntonio Quartulli 5424d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 543af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 544af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 545af8cdcd8SJohannes Berg u8 *ie; 5463aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 54746900298SJohannes Berg 54846900298SJohannes Berg unsigned long ibss_join_req; 549af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 550c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 55146900298SJohannes Berg 552822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 553822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 554822854b0SSimon Wunderlich 5558bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5568bf11d8dSJohannes Berg struct list_head incomplete_stations; 5578bf11d8dSJohannes Berg 55846900298SJohannes Berg enum { 55946900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 56046900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 56146900298SJohannes Berg } state; 56246900298SJohannes Berg }; 56346900298SJohannes Berg 564dbf498fbSJavier Cardona /** 565239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 566239281f8SRostislav Lisovy * 567239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 568239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 569239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 570239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 571239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 572239281f8SRostislav Lisovy */ 573239281f8SRostislav Lisovy struct ieee80211_if_ocb { 574239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 575239281f8SRostislav Lisovy unsigned long wrkq_flags; 576239281f8SRostislav Lisovy 577239281f8SRostislav Lisovy spinlock_t incomplete_lock; 578239281f8SRostislav Lisovy struct list_head incomplete_stations; 579239281f8SRostislav Lisovy 580239281f8SRostislav Lisovy bool joined; 581239281f8SRostislav Lisovy }; 582239281f8SRostislav Lisovy 583239281f8SRostislav Lisovy /** 584dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 585dbf498fbSJavier Cardona * 586dbf498fbSJavier Cardona * these declarations define the interface, which enables 587dbf498fbSJavier Cardona * vendor-specific mesh synchronization 588dbf498fbSJavier Cardona * 589dbf498fbSJavier Cardona */ 590dbf498fbSJavier Cardona struct ieee802_11_elems; 591dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 592a5b983c6SJohannes Berg void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype, 593a5b983c6SJohannes Berg struct ieee80211_mgmt *mgmt, unsigned int len, 594a5b983c6SJohannes Berg const struct ieee80211_meshconf_ie *mesh_cfg, 595dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 59643552be1SThomas Pedersen 59743552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 598445cd452SMasashi Honma void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, 59943552be1SThomas Pedersen struct beacon_data *beacon); 600dbf498fbSJavier Cardona /* add other framework functions here */ 601dbf498fbSJavier Cardona }; 602dbf498fbSJavier Cardona 603b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 604b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 605b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 606b8456a14SChun-Yeow Yeoh }; 607b8456a14SChun-Yeow Yeoh 6088b5cb7e4SPavel Skripkin /** 6098b5cb7e4SPavel Skripkin * struct mesh_table 6108b5cb7e4SPavel Skripkin * 6118b5cb7e4SPavel Skripkin * @known_gates: list of known mesh gates and their mpaths by the station. The 6128b5cb7e4SPavel Skripkin * gate's mpath may or may not be resolved and active. 6138b5cb7e4SPavel Skripkin * @gates_lock: protects updates to known_gates 6148b5cb7e4SPavel Skripkin * @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr 6158b5cb7e4SPavel Skripkin * @walk_head: linked list containing all mesh_path objects 6168b5cb7e4SPavel Skripkin * @walk_lock: lock protecting walk_head 6178b5cb7e4SPavel Skripkin * @entries: number of entries in the table 6188b5cb7e4SPavel Skripkin */ 6198b5cb7e4SPavel Skripkin struct mesh_table { 6208b5cb7e4SPavel Skripkin struct hlist_head known_gates; 6218b5cb7e4SPavel Skripkin spinlock_t gates_lock; 6228b5cb7e4SPavel Skripkin struct rhashtable rhead; 6238b5cb7e4SPavel Skripkin struct hlist_head walk_head; 6248b5cb7e4SPavel Skripkin spinlock_t walk_lock; 6258b5cb7e4SPavel Skripkin atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */ 6268b5cb7e4SPavel Skripkin }; 6278b5cb7e4SPavel Skripkin 628472dbc45SJohannes Berg struct ieee80211_if_mesh { 629472dbc45SJohannes Berg struct timer_list housekeeping_timer; 630472dbc45SJohannes Berg struct timer_list mesh_path_timer; 631e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 632472dbc45SJohannes Berg 63318889231SJavier Cardona unsigned long wrkq_flags; 634f81a9dedSThomas Pedersen unsigned long mbss_changed; 635472dbc45SJohannes Berg 6360ab2e55dSBenjamin Berg bool userspace_handles_dfs; 6370ab2e55dSBenjamin Berg 638472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 639472dbc45SJohannes Berg size_t mesh_id_len; 640472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6413491707aSRui Paulo u8 mesh_pp_id; 642472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6433491707aSRui Paulo u8 mesh_pm_id; 644472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6453491707aSRui Paulo u8 mesh_cc_id; 6469e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6473491707aSRui Paulo u8 mesh_sp_id; 6489e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6493491707aSRui Paulo u8 mesh_auth_id; 650d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 651d19b3bf6SRui Paulo u32 sn; 652472dbc45SJohannes Berg /* Last used PREQ ID */ 653472dbc45SJohannes Berg u32 preq_id; 654472dbc45SJohannes Berg atomic_t mpaths; 655d19b3bf6SRui Paulo /* Timestamp of last SN update */ 656d19b3bf6SRui Paulo unsigned long last_sn_update; 657dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 658dca7e943SThomas Pedersen unsigned long next_perr; 659dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 660472dbc45SJohannes Berg unsigned long last_preq; 661472dbc45SJohannes Berg struct mesh_rmc *rmc; 662472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 663472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 664472dbc45SJohannes Berg int preq_queue_len; 665472dbc45SJohannes Berg struct mesh_stats mshstats; 666472dbc45SJohannes Berg struct mesh_config mshcfg; 6671258d976SAshok Nagarajan atomic_t estab_plinks; 668472dbc45SJohannes Berg u32 mesh_seqnum; 669472dbc45SJohannes Berg bool accepting_plinks; 6705ee68e5bSJavier Cardona int num_gates; 6712b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 672581a8b0fSJavier Cardona const u8 *ie; 673581a8b0fSJavier Cardona u8 ie_len; 674b130e5ceSJavier Cardona enum { 675b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 676b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 677b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 678b130e5ceSJavier Cardona } security; 679a6dad6a2SThomas Pedersen bool user_mpm; 680dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6818ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 682dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 683dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 6843f52b7e3SMarco Porsch /* mesh power save */ 6853f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6863f52b7e3SMarco Porsch int ps_peers_light_sleep; 6873f52b7e3SMarco Porsch int ps_peers_deep_sleep; 6883f52b7e3SMarco Porsch struct ps_data ps; 6898f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 690b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 6910cb4d4dcSLuciano Coelho enum { 6920cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 6930cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 6940cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 6950cb4d4dcSLuciano Coelho } csa_role; 696b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 6978f2535b9SChun-Yeow Yeoh u16 pre_value; 69843552be1SThomas Pedersen 69943552be1SThomas Pedersen /* offset from skb->data while building IE */ 70043552be1SThomas Pedersen int meshconf_offset; 7012bdaf386SBob Copeland 7028b5cb7e4SPavel Skripkin struct mesh_table mesh_paths; 7038b5cb7e4SPavel Skripkin struct mesh_table mpp_paths; /* Store paths for MPP&MAP */ 7042bdaf386SBob Copeland int mesh_paths_generation; 7052bdaf386SBob Copeland int mpp_paths_generation; 706472dbc45SJohannes Berg }; 707902acc78SJohannes Berg 708902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 709472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 710472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 711902acc78SJohannes Berg #else 712472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 713902acc78SJohannes Berg do { } while (0) 714902acc78SJohannes Berg #endif 715f0706e82SJiri Benc 716213cd118SJohannes Berg /** 717213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 718213cd118SJohannes Berg * 719213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 720213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 721213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 722213cd118SJohannes Berg * associated stations and deliver multicast frames both 723213cd118SJohannes Berg * back to wireless media and to the local net stack. 72495acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7257b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 7267d352ccfSYoughandhar Chintala * @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart 7277d352ccfSYoughandhar Chintala * recovery 728213cd118SJohannes Berg */ 729213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 730213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7317986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7327986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 73395acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7347b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 7357d352ccfSYoughandhar Chintala IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6), 736213cd118SJohannes Berg }; 737213cd118SJohannes Berg 73834d4bc4dSJohannes Berg /** 73934d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 74034d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 74134d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 74234d4bc4dSJohannes Berg * change handling while the interface is up 7435b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7445b714c6aSJohannes Berg * mode, so queues are stopped 745d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 746d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 74734d4bc4dSJohannes Berg */ 74834d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 74934d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7505b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 751d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 75234d4bc4dSJohannes Berg }; 75334d4bc4dSJohannes Berg 754d01a1e65SMichal Kazior /** 755d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 756d01a1e65SMichal Kazior * 757d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 758d01a1e65SMichal Kazior * multiple interfaces 759d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 760d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 761d01a1e65SMichal Kazior * non-fixed channel IBSS. 762d01a1e65SMichal Kazior */ 763d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 764d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 765d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 766d01a1e65SMichal Kazior }; 767d01a1e65SMichal Kazior 7685bcae31dSMichal Kazior /** 7695bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7705bcae31dSMichal Kazior * 7715bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7725bcae31dSMichal Kazior * context switch/swap. 7735bcae31dSMichal Kazior * 7745bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7755bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7765bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7775bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7785bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7795bcae31dSMichal Kazior */ 7805bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7815bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7825bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7835bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7845bcae31dSMichal Kazior }; 7855bcae31dSMichal Kazior 786d01a1e65SMichal Kazior struct ieee80211_chanctx { 787d01a1e65SMichal Kazior struct list_head list; 788d01a1e65SMichal Kazior struct rcu_head rcu_head; 789d01a1e65SMichal Kazior 790b4f85443SJohannes Berg struct list_head assigned_links; 791b4f85443SJohannes Berg struct list_head reserved_links; 792484298adSMichal Kazior 7935bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 7945bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 7955bcae31dSMichal Kazior 796d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 7978a61af65SJohannes Berg bool driver_present; 798d01a1e65SMichal Kazior 799d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 800d01a1e65SMichal Kazior }; 801d01a1e65SMichal Kazior 80232db6b54SKyeyoon Park struct mac80211_qos_map { 80332db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 80432db6b54SKyeyoon Park struct rcu_head rcu_head; 80532db6b54SKyeyoon Park }; 80632db6b54SKyeyoon Park 807ba8c3d6fSFelix Fietkau enum txq_info_flags { 808ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 809ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 8106e0456b5SFelix Fietkau IEEE80211_TXQ_NO_AMSDU, 81121a5d4c3SManikanta Pubbisetty IEEE80211_TXQ_STOP_NETIF_TX, 812ba8c3d6fSFelix Fietkau }; 813ba8c3d6fSFelix Fietkau 814fa962b92SMichal Kazior /** 815fa962b92SMichal Kazior * struct txq_info - per tid queue 816fa962b92SMichal Kazior * 817fa962b92SMichal Kazior * @tin: contains packets split into multiple flows 818fa962b92SMichal Kazior * @def_flow: used as a fallback flow when a packet destined to @tin hashes to 819fa962b92SMichal Kazior * a fq_flow which is already owned by a different tin 8205caa328eSMichal Kazior * @def_cvars: codel vars for @def_flow 82118667600SToke Høiland-Jørgensen * @schedule_order: used with ieee80211_local->active_txqs 8222433647bSToke Høiland-Jørgensen * @frags: used to keep fragments created after dequeue 823fa962b92SMichal Kazior */ 824ba8c3d6fSFelix Fietkau struct txq_info { 825fa962b92SMichal Kazior struct fq_tin tin; 8265caa328eSMichal Kazior struct codel_vars def_cvars; 8278d51dbb8SToke Høiland-Jørgensen struct codel_stats cstats; 8282433647bSToke Høiland-Jørgensen struct rb_node schedule_order; 829c74025f4SJohannes Berg 830c74025f4SJohannes Berg struct sk_buff_head frags; 831ba8c3d6fSFelix Fietkau unsigned long flags; 832ba8c3d6fSFelix Fietkau 833ba8c3d6fSFelix Fietkau /* keep last! */ 834ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 835ba8c3d6fSFelix Fietkau }; 836ba8c3d6fSFelix Fietkau 837d8212184SAviya Erenfeld struct ieee80211_if_mntr { 838d8212184SAviya Erenfeld u32 flags; 83942bd20d9SAviya Erenfeld u8 mu_follow_addr[ETH_ALEN] __aligned(2); 840f64331d5SJohannes Berg 841f64331d5SJohannes Berg struct list_head list; 842d8212184SAviya Erenfeld }; 843d8212184SAviya Erenfeld 8445953ff6dSAyala Beker /** 8455953ff6dSAyala Beker * struct ieee80211_if_nan - NAN state 8465953ff6dSAyala Beker * 8475953ff6dSAyala Beker * @conf: current NAN configuration 848167e33f4SAyala Beker * @func_ids: a bitmap of available instance_id's 8495953ff6dSAyala Beker */ 8505953ff6dSAyala Beker struct ieee80211_if_nan { 8515953ff6dSAyala Beker struct cfg80211_nan_conf conf; 852167e33f4SAyala Beker 853167e33f4SAyala Beker /* protects function_inst_ids */ 854167e33f4SAyala Beker spinlock_t func_lock; 855167e33f4SAyala Beker struct idr function_inst_ids; 8565953ff6dSAyala Beker }; 8575953ff6dSAyala Beker 858bfd8403aSJohannes Berg struct ieee80211_link_data_managed { 859bfd8403aSJohannes Berg u8 bssid[ETH_ALEN] __aligned(2); 860bfd8403aSJohannes Berg 861bfd8403aSJohannes Berg u8 dtim_period; 862bfd8403aSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 863bfd8403aSJohannes Berg driver_smps_mode; /* smps mode request */ 864bfd8403aSJohannes Berg 865bfd8403aSJohannes Berg s16 p2p_noa_index; 866bfd8403aSJohannes Berg 867bfd8403aSJohannes Berg bool have_beacon; 868bfd8403aSJohannes Berg 869bfd8403aSJohannes Berg bool csa_waiting_bcn; 870bfd8403aSJohannes Berg bool csa_ignored_same_chan; 871bfd8403aSJohannes Berg 872bfd8403aSJohannes Berg struct work_struct request_smps_work; 873bfd8403aSJohannes Berg bool beacon_crc_valid; 874bfd8403aSJohannes Berg u32 beacon_crc; 875bfd8403aSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 876bfd8403aSJohannes Berg int last_ave_beacon_signal; 877bfd8403aSJohannes Berg 878bfd8403aSJohannes Berg /* 879bfd8403aSJohannes Berg * Number of Beacon frames used in ave_beacon_signal. This can be used 880bfd8403aSJohannes Berg * to avoid generating less reliable cqm events that would be based 881bfd8403aSJohannes Berg * only on couple of received frames. 882bfd8403aSJohannes Berg */ 883bfd8403aSJohannes Berg unsigned int count_beacon_signal; 884bfd8403aSJohannes Berg 885bfd8403aSJohannes Berg /* Number of times beacon loss was invoked. */ 886bfd8403aSJohannes Berg unsigned int beacon_loss_count; 887bfd8403aSJohannes Berg 888bfd8403aSJohannes Berg /* 889bfd8403aSJohannes Berg * Last Beacon frame signal strength average (ave_beacon_signal / 16) 890bfd8403aSJohannes Berg * that triggered a cqm event. 0 indicates that no event has been 891bfd8403aSJohannes Berg * generated for the current association. 892bfd8403aSJohannes Berg */ 893bfd8403aSJohannes Berg int last_cqm_event_signal; 894bfd8403aSJohannes Berg 895bfd8403aSJohannes Berg int wmm_last_param_set; 896bfd8403aSJohannes Berg int mu_edca_last_param_set; 897bfd8403aSJohannes Berg 898bfd8403aSJohannes Berg struct cfg80211_bss *bss; 899bfd8403aSJohannes Berg }; 900bfd8403aSJohannes Berg 901bfd8403aSJohannes Berg struct ieee80211_link_data_ap { 902bfd8403aSJohannes Berg struct beacon_data __rcu *beacon; 903bfd8403aSJohannes Berg struct probe_resp __rcu *probe_resp; 904bfd8403aSJohannes Berg struct fils_discovery_data __rcu *fils_discovery; 905bfd8403aSJohannes Berg struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp; 906bfd8403aSJohannes Berg 907bfd8403aSJohannes Berg /* to be used after channel switch. */ 908bfd8403aSJohannes Berg struct cfg80211_beacon_data *next_beacon; 909bfd8403aSJohannes Berg }; 910bfd8403aSJohannes Berg 911bfd8403aSJohannes Berg struct ieee80211_link_data { 912b4f85443SJohannes Berg struct ieee80211_sub_if_data *sdata; 913b4f85443SJohannes Berg unsigned int link_id; 914b4f85443SJohannes Berg 915b4f85443SJohannes Berg struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 916b4f85443SJohannes Berg struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 917b4f85443SJohannes Berg 918bfd8403aSJohannes Berg /* multicast keys only */ 919bfd8403aSJohannes Berg struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + 920bfd8403aSJohannes Berg NUM_DEFAULT_MGMT_KEYS + 921bfd8403aSJohannes Berg NUM_DEFAULT_BEACON_KEYS]; 922bfd8403aSJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 923bfd8403aSJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 924bfd8403aSJohannes Berg struct ieee80211_key __rcu *default_beacon_key; 925bfd8403aSJohannes Berg 926bfd8403aSJohannes Berg struct airtime_info airtime[IEEE80211_NUM_ACS]; 927bfd8403aSJohannes Berg 928bfd8403aSJohannes Berg struct work_struct csa_finalize_work; 929bfd8403aSJohannes Berg bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 930bfd8403aSJohannes Berg struct cfg80211_chan_def csa_chandef; 931bfd8403aSJohannes Berg 932bfd8403aSJohannes Berg struct work_struct color_change_finalize_work; 933bfd8403aSJohannes Berg 934bfd8403aSJohannes Berg /* context reservation -- protected with chanctx_mtx */ 935bfd8403aSJohannes Berg struct ieee80211_chanctx *reserved_chanctx; 936bfd8403aSJohannes Berg struct cfg80211_chan_def reserved_chandef; 937bfd8403aSJohannes Berg bool reserved_radar_required; 938bfd8403aSJohannes Berg bool reserved_ready; 939bfd8403aSJohannes Berg 940bfd8403aSJohannes Berg u8 needed_rx_chains; 941bfd8403aSJohannes Berg enum ieee80211_smps_mode smps_mode; 942bfd8403aSJohannes Berg 943bfd8403aSJohannes Berg int user_power_level; /* in dBm */ 944bfd8403aSJohannes Berg int ap_power_level; /* in dBm */ 945bfd8403aSJohannes Berg 946bfd8403aSJohannes Berg bool radar_required; 947bfd8403aSJohannes Berg struct delayed_work dfs_cac_timer_work; 948bfd8403aSJohannes Berg 949bfd8403aSJohannes Berg union { 950bfd8403aSJohannes Berg struct ieee80211_link_data_managed mgd; 951bfd8403aSJohannes Berg struct ieee80211_link_data_ap ap; 952bfd8403aSJohannes Berg } u; 953bfd8403aSJohannes Berg }; 954bfd8403aSJohannes Berg 955f0706e82SJiri Benc struct ieee80211_sub_if_data { 956f0706e82SJiri Benc struct list_head list; 957f0706e82SJiri Benc 958f0706e82SJiri Benc struct wireless_dev wdev; 959f0706e82SJiri Benc 96011a843b7SJohannes Berg /* keys */ 96111a843b7SJohannes Berg struct list_head key_list; 96211a843b7SJohannes Berg 9633bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 9643bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 9658d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 9668d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 9673bff1865SYogesh Ashok Powar 968f0706e82SJiri Benc struct net_device *dev; 969f0706e82SJiri Benc struct ieee80211_local *local; 970f0706e82SJiri Benc 97113262ffdSJiri Slaby unsigned int flags; 9727e9ed188SDaniel Drake 97334d4bc4dSJohannes Berg unsigned long state; 97434d4bc4dSJohannes Berg 97547846c9bSJohannes Berg char name[IFNAMSIZ]; 97647846c9bSJohannes Berg 9773a11ce08SJohannes Berg struct ieee80211_fragment_cache frags; 978f0706e82SJiri Benc 979b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 980b53be792SSimon Wunderlich u16 noack_map; 981b53be792SSimon Wunderlich 98200e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 98300e96decSYoni Divinsky u8 wmm_acm; 98400e96decSYoni Divinsky 985bfd8403aSJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS]; 98640b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 987f0706e82SJiri Benc 98894778280SJohannes Berg u16 sequence_number; 989a621fa4dSJohannes Berg __be16 control_port_protocol; 990a621fa4dSJohannes Berg bool control_port_no_encrypt; 9917f3f96ceSMarkus Theil bool control_port_no_preauth; 992018f6fbfSDenis Kenzior bool control_port_over_nl80211; 99394778280SJohannes Berg 99480a83cfcSMichal Kazior atomic_t num_tx_queued; 99554bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 99632db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 997f6f3def3SEliad Peller 99804ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 99904ecd257SJohannes Berg struct work_struct recalc_smps; 100004ecd257SJohannes Berg 100164592c8fSJohannes Berg struct work_struct work; 100235f20c14SJohannes Berg struct sk_buff_head skb_queue; 1003f5a4c24eSLorenzo Bianconi struct sk_buff_head status_queue; 100435f20c14SJohannes Berg 10053e122be0SJohannes Berg /* 10063e122be0SJohannes Berg * AP this belongs to: self in AP mode and 10073e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 10083e122be0SJohannes Berg * all others (might be needed later in IBSS) 10093e122be0SJohannes Berg */ 10103e122be0SJohannes Berg struct ieee80211_if_ap *bss; 10113e122be0SJohannes Berg 101237eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 101357fbcce3SJohannes Berg u32 rc_rateidx_mask[NUM_NL80211_BANDS]; 10142ffbe6d3SFelix Fietkau 101557fbcce3SJohannes Berg bool rc_has_mcs_mask[NUM_NL80211_BANDS]; 101657fbcce3SJohannes Berg u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 1017f0706e82SJiri Benc 101857fbcce3SJohannes Berg bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; 101957fbcce3SJohannes Berg u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; 1020b119ad6eSLorenzo Bianconi 102108fad438SJouni Malinen /* Beacon frame (non-MCS) rate (as a bitmap) */ 102208fad438SJouni Malinen u32 beacon_rateidx_mask[NUM_NL80211_BANDS]; 102308fad438SJouni Malinen bool beacon_rate_set; 102408fad438SJouni Malinen 1025f0706e82SJiri Benc union { 1026f0706e82SJiri Benc struct ieee80211_if_ap ap; 1027f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 102846900298SJohannes Berg struct ieee80211_if_managed mgd; 102946900298SJohannes Berg struct ieee80211_if_ibss ibss; 1030472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 1031239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 1032d8212184SAviya Erenfeld struct ieee80211_if_mntr mntr; 10335953ff6dSAyala Beker struct ieee80211_if_nan nan; 1034f0706e82SJiri Benc } u; 1035e9f207f0SJiri Benc 1036bfd8403aSJohannes Berg struct ieee80211_link_data deflink; 10378e14130dSJohannes Berg struct ieee80211_link_data *link[IEEE80211_MLD_MAX_NUM_LINKS]; 1038bfd8403aSJohannes Berg 1039e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1040e9f207f0SJiri Benc struct { 1041295bafb4SBen Greear struct dentry *subdir_stations; 1042f7e0104cSJohannes Berg struct dentry *default_unicast_key; 1043f7e0104cSJohannes Berg struct dentry *default_multicast_key; 10443cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 1045e5473e80SJouni Malinen struct dentry *default_beacon_key; 10467bcfaf2fSJohannes Berg } debugfs; 1047e9f207f0SJiri Benc #endif 1048529ba6e9SJohannes Berg 104932bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 105032bfd35dSJohannes Berg struct ieee80211_vif vif; 1051f0706e82SJiri Benc }; 1052f0706e82SJiri Benc 105332bfd35dSJohannes Berg static inline 105432bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 105532bfd35dSJohannes Berg { 105632bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 105732bfd35dSJohannes Berg } 105832bfd35dSJohannes Berg 10598d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 10608d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 10618d61ffa5SJohannes Berg { 10628d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 10638d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 10648d61ffa5SJohannes Berg } 10658d61ffa5SJohannes Berg 10668d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 10678d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 10688d61ffa5SJohannes Berg { 10698d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 10708d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 10718d61ffa5SJohannes Berg } 10728d61ffa5SJohannes Berg 10737ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 10747ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 10757ca133bcSSimon Wunderlich 10768d61ffa5SJohannes Berg static inline void 10778d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 10788d61ffa5SJohannes Berg { 10798d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 10808d61ffa5SJohannes Berg } 10818d61ffa5SJohannes Berg 1082438b61b7SSimon Wunderlich static inline int 1083438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 1084438b61b7SSimon Wunderlich { 1085438b61b7SSimon Wunderlich switch (chandef->width) { 1086438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 1087438b61b7SSimon Wunderlich return 2; 1088438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 1089438b61b7SSimon Wunderlich return 1; 1090438b61b7SSimon Wunderlich default: 1091438b61b7SSimon Wunderlich return 0; 1092438b61b7SSimon Wunderlich } 1093438b61b7SSimon Wunderlich } 1094438b61b7SSimon Wunderlich 1095438b61b7SSimon Wunderlich static inline int 1096438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 1097438b61b7SSimon Wunderlich { 1098438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 1099438b61b7SSimon Wunderlich int shift = 0; 1100438b61b7SSimon Wunderlich 1101438b61b7SSimon Wunderlich rcu_read_lock(); 1102d0a9123eSJohannes Berg chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf); 1103438b61b7SSimon Wunderlich if (chanctx_conf) 1104438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 1105438b61b7SSimon Wunderlich rcu_read_unlock(); 1106438b61b7SSimon Wunderlich 1107438b61b7SSimon Wunderlich return shift; 1108438b61b7SSimon Wunderlich } 1109438b61b7SSimon Wunderlich 11102b3171c6SLorenzo Bianconi static inline int 11112b3171c6SLorenzo Bianconi ieee80211_get_mbssid_beacon_len(struct cfg80211_mbssid_elems *elems) 11122b3171c6SLorenzo Bianconi { 11132b3171c6SLorenzo Bianconi int i, len = 0; 11142b3171c6SLorenzo Bianconi 11152b3171c6SLorenzo Bianconi if (!elems) 11162b3171c6SLorenzo Bianconi return 0; 11172b3171c6SLorenzo Bianconi 11182b3171c6SLorenzo Bianconi for (i = 0; i < elems->cnt; i++) 11192b3171c6SLorenzo Bianconi len += elems->elem[i].len; 11202b3171c6SLorenzo Bianconi 11212b3171c6SLorenzo Bianconi return len; 11222b3171c6SLorenzo Bianconi } 11232b3171c6SLorenzo Bianconi 1124f0706e82SJiri Benc enum { 1125f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1126f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1127f0706e82SJiri Benc }; 1128f0706e82SJiri Benc 1129ce7c9111SKalle Valo enum queue_stop_reason { 1130ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1131520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 113296f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 113396f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 113425420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 11358f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 11366c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1137445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1138db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1139b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1140054c9939SJohannes Berg IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE, 1141cca07b00SLuciano Coelho 1142cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1143ce7c9111SKalle Valo }; 1144ce7c9111SKalle Valo 114565a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1146e1e54068SJohannes Berg struct tpt_led_trigger { 1147e1e54068SJohannes Berg char name[32]; 1148e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1149e1e54068SJohannes Berg unsigned int blink_table_len; 1150e1e54068SJohannes Berg struct timer_list timer; 115134f11cd3SKees Cook struct ieee80211_local *local; 1152e1e54068SJohannes Berg unsigned long prev_traffic; 1153e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 115467408c8cSJohannes Berg unsigned int active, want; 115567408c8cSJohannes Berg bool running; 1156e1e54068SJohannes Berg }; 115765a6538aSLuciano Coelho #endif 1158e1e54068SJohannes Berg 1159142b9f50SHelmut Schaa /** 1160142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1161142b9f50SHelmut Schaa * 1162142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1163142b9f50SHelmut Schaa * well be on the operating channel 1164142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1165142b9f50SHelmut Schaa * determine if we are on the operating channel or not 11668a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 11678a690674SBen Greear * channel. This should not interrupt normal traffic. 11688789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 11698789d459SJohannes Berg * that the scan completed. 11708789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 11718789d459SJohannes Berg * a scan complete for an aborted scan. 1172a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1173a754055aSEmmanuel Grumbach * cancelled. 1174b041b7b9SFelix Fietkau * @SCAN_BEACON_WAIT: Set whenever we're passive scanning because of radar/no-IR 1175b041b7b9SFelix Fietkau * and could send a probe request after receiving a beacon. 1176b041b7b9SFelix Fietkau * @SCAN_BEACON_DONE: Beacon received, we can now send a probe request 1177142b9f50SHelmut Schaa */ 1178fbe9c429SHelmut Schaa enum { 1179fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1180142b9f50SHelmut Schaa SCAN_HW_SCANNING, 11818a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 11828789d459SJohannes Berg SCAN_COMPLETED, 11838789d459SJohannes Berg SCAN_ABORTED, 1184a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1185b041b7b9SFelix Fietkau SCAN_BEACON_WAIT, 1186b041b7b9SFelix Fietkau SCAN_BEACON_DONE, 1187142b9f50SHelmut Schaa }; 1188142b9f50SHelmut Schaa 1189142b9f50SHelmut Schaa /** 1190142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1191142b9f50SHelmut Schaa * 1192142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1193142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1194142b9f50SHelmut Schaa * operating channel 1195142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1196142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 119707ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 119807ef03eeSJohannes Berg * send out data 119907ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1200cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1201142b9f50SHelmut Schaa */ 1202142b9f50SHelmut Schaa enum mac80211_scan_state { 1203142b9f50SHelmut Schaa SCAN_DECISION, 1204142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1205142b9f50SHelmut Schaa SCAN_SEND_PROBE, 120607ef03eeSJohannes Berg SCAN_SUSPEND, 120707ef03eeSJohannes Berg SCAN_RESUME, 1208cd2bb512SSam Leffler SCAN_ABORT, 1209fbe9c429SHelmut Schaa }; 1210fbe9c429SHelmut Schaa 12112433647bSToke Høiland-Jørgensen /** 12122433647bSToke Høiland-Jørgensen * struct airtime_sched_info - state used for airtime scheduling and AQL 12132433647bSToke Høiland-Jørgensen * 12142433647bSToke Høiland-Jørgensen * @lock: spinlock that protects all the fields in this struct 12152433647bSToke Høiland-Jørgensen * @active_txqs: rbtree of currently backlogged queues, sorted by virtual time 12162433647bSToke Høiland-Jørgensen * @schedule_pos: the current position maintained while a driver walks the tree 12172433647bSToke Høiland-Jørgensen * with ieee80211_next_txq() 12182433647bSToke Høiland-Jørgensen * @active_list: list of struct airtime_info structs that were active within 12192433647bSToke Høiland-Jørgensen * the last AIRTIME_ACTIVE_DURATION (100 ms), used to compute 12202433647bSToke Høiland-Jørgensen * weight_sum 12212433647bSToke Høiland-Jørgensen * @last_weight_update: used for rate limiting walking active_list 12222433647bSToke Høiland-Jørgensen * @last_schedule_time: tracks the last time a transmission was scheduled; used 12232433647bSToke Høiland-Jørgensen * for catching up v_t if no stations are eligible for 12242433647bSToke Høiland-Jørgensen * transmission. 12252433647bSToke Høiland-Jørgensen * @v_t: global virtual time; queues with v_t < this are eligible for 12262433647bSToke Høiland-Jørgensen * transmission 12272433647bSToke Høiland-Jørgensen * @weight_sum: total sum of all active stations used for dividing airtime 12282433647bSToke Høiland-Jørgensen * @weight_sum_reciprocal: reciprocal of weight_sum (to avoid divisions in fast 12292433647bSToke Høiland-Jørgensen * path - see comment above 12302433647bSToke Høiland-Jørgensen * IEEE80211_RECIPROCAL_DIVISOR_64) 12312433647bSToke Høiland-Jørgensen * @aql_txq_limit_low: AQL limit when total outstanding airtime 12322433647bSToke Høiland-Jørgensen * is < IEEE80211_AQL_THRESHOLD 12332433647bSToke Høiland-Jørgensen * @aql_txq_limit_high: AQL limit when total outstanding airtime 12342433647bSToke Høiland-Jørgensen * is > IEEE80211_AQL_THRESHOLD 12352433647bSToke Høiland-Jørgensen */ 12362433647bSToke Høiland-Jørgensen struct airtime_sched_info { 12372433647bSToke Høiland-Jørgensen spinlock_t lock; 12382433647bSToke Høiland-Jørgensen struct rb_root_cached active_txqs; 12392433647bSToke Høiland-Jørgensen struct rb_node *schedule_pos; 12402433647bSToke Høiland-Jørgensen struct list_head active_list; 12412433647bSToke Høiland-Jørgensen u64 last_weight_update; 12422433647bSToke Høiland-Jørgensen u64 last_schedule_activity; 12432433647bSToke Høiland-Jørgensen u64 v_t; 12442433647bSToke Høiland-Jørgensen u64 weight_sum; 12452433647bSToke Høiland-Jørgensen u64 weight_sum_reciprocal; 12462433647bSToke Høiland-Jørgensen u32 aql_txq_limit_low; 12472433647bSToke Høiland-Jørgensen u32 aql_txq_limit_high; 12482433647bSToke Høiland-Jørgensen }; 1249e908435eSLorenzo Bianconi DECLARE_STATIC_KEY_FALSE(aql_disable); 1250e908435eSLorenzo Bianconi 1251f0706e82SJiri Benc struct ieee80211_local { 1252f0706e82SJiri Benc /* embed the driver visible part. 1253f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1254f0706e82SJiri Benc * it first anyway so they become a no-op */ 1255f0706e82SJiri Benc struct ieee80211_hw hw; 1256f0706e82SJiri Benc 1257fa962b92SMichal Kazior struct fq fq; 12585caa328eSMichal Kazior struct codel_vars *cvars; 12595caa328eSMichal Kazior struct codel_params cparams; 1260fa962b92SMichal Kazior 126118667600SToke Høiland-Jørgensen /* protects active_txqs and txqi->schedule_order */ 12622433647bSToke Høiland-Jørgensen struct airtime_sched_info airtime[IEEE80211_NUM_ACS]; 1263b4809e94SToke Høiland-Jørgensen u16 airtime_flags; 12643ace10f5SKan Yan u32 aql_threshold; 12653ace10f5SKan Yan atomic_t aql_total_pending_airtime; 1266b4809e94SToke Høiland-Jørgensen 1267f0706e82SJiri Benc const struct ieee80211_ops *ops; 1268f0706e82SJiri Benc 126942935ecaSLuis R. Rodriguez /* 127042935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 127142935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 127242935ecaSLuis R. Rodriguez */ 127342935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 127442935ecaSLuis R. Rodriguez 1275e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1276cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 127796f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1278ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 127996f5e66eSJohannes Berg 1280f0706e82SJiri Benc int open_count; 12813d30d949SMichael Wu int monitors, cooked_mntrs; 12828cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 12837be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 12847be5086dSJohannes Berg fif_probe_req; 12856cd536feSJohannes Berg bool probe_req_reg; 1286873b1cf6SJouni Malinen bool rx_mcast_action_reg; 12874150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 12883b8d81e0SJohannes Berg 12893ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 12903ffc2a90SJohannes Berg 1291fe57d9f5SJohannes Berg bool use_chanctx; 1292fe57d9f5SJohannes Berg 12933b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 12943b8d81e0SJohannes Berg spinlock_t filter_lock; 12953b8d81e0SJohannes Berg 12963ac64beeSJohannes Berg /* used for uploading changed mc list */ 12973ac64beeSJohannes Berg struct work_struct reconfig_filter; 12983ac64beeSJohannes Berg 12993b8d81e0SJohannes Berg /* aggregated multicast list */ 130022bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 13013b8d81e0SJohannes Berg 1302d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 13035bb644a0SJohannes Berg 13045bb644a0SJohannes Berg /* 13055bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 13065bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 13075bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 13085bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 13095bb644a0SJohannes Berg */ 13105bb644a0SJohannes Berg bool suspended; 13115bb644a0SJohannes Berg 1312b33fb28cSLoic Poulain /* suspending is true during the whole suspend process */ 1313b33fb28cSLoic Poulain bool suspending; 1314b33fb28cSLoic Poulain 13155bb644a0SJohannes Berg /* 1316ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1317ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1318ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1319ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1320ceb99fe0SJohannes Berg */ 1321ceb99fe0SJohannes Berg bool resuming; 1322ceb99fe0SJohannes Berg 1323ceb99fe0SJohannes Berg /* 13245bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 13255bb644a0SJohannes Berg * ease timer cancelling etc. 13265bb644a0SJohannes Berg */ 13275bb644a0SJohannes Berg bool quiescing; 13285bb644a0SJohannes Berg 1329ea77f12fSJohannes Berg /* device is started */ 1330ea77f12fSJohannes Berg bool started; 1331ea77f12fSJohannes Berg 133204800adaSArik Nemtsov /* device is during a HW reconfig */ 133304800adaSArik Nemtsov bool in_reconfig; 133404800adaSArik Nemtsov 1335eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1336eecc4800SJohannes Berg bool wowlan; 1337eecc4800SJohannes Berg 1338164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1339164eb02dSSimon Wunderlich 134004ecd257SJohannes Berg /* number of RX chains the hardware has */ 134104ecd257SJohannes Berg u8 rx_chains; 134204ecd257SJohannes Berg 134309b4a4faSJohannes Berg /* bitmap of which sbands were copied */ 134409b4a4faSJohannes Berg u8 sband_allocated; 134509b4a4faSJohannes Berg 1346b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1347f0706e82SJiri Benc 1348f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1349f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1350f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1351f0706e82SJiri Benc * queues increases over the limit. */ 1352f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1353f0706e82SJiri Benc struct tasklet_struct tasklet; 1354f0706e82SJiri Benc struct sk_buff_head skb_queue; 1355f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1356f0706e82SJiri Benc 1357f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 135824a8fdadSChristian Lamparter 1359d0709a65SJohannes Berg /* Station data */ 1360d0709a65SJohannes Berg /* 13614d33960bSJohannes Berg * The mutex only protects the list, hash table and 13624d33960bSJohannes Berg * counter, reads are done with RCU. 1363d0709a65SJohannes Berg */ 136434e89507SJohannes Berg struct mutex sta_mtx; 13654d33960bSJohannes Berg spinlock_t tim_lock; 1366d0709a65SJohannes Berg unsigned long num_sta; 13674d33960bSJohannes Berg struct list_head sta_list; 136883e7e4ceSHerbert Xu struct rhltable sta_hash; 1369f0706e82SJiri Benc struct timer_list sta_cleanup; 1370f5ea9120SJohannes Berg int sta_generation; 1371f0706e82SJiri Benc 13722a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1373f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 137421a5d4c3SManikanta Pubbisetty struct tasklet_struct wake_txqs_tasklet; 1375f0706e82SJiri Benc 1376a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1377cd8ffc80SJohannes Berg 1378df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1379df140465SJohannes Berg atomic_t iff_allmultis; 1380f0706e82SJiri Benc 1381f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1382f0706e82SJiri Benc 13835fdb3735SArd Biesheuvel struct arc4_ctx wep_tx_ctx; 13845fdb3735SArd Biesheuvel struct arc4_ctx wep_rx_ctx; 1385f0706e82SJiri Benc u32 wep_iv; 1386f0706e82SJiri Benc 1387c771c9d8SJohannes Berg /* see iface.c */ 138879010420SJohannes Berg struct list_head interfaces; 1389f64331d5SJohannes Berg struct list_head mon_list; /* only that are IFF_UP && !cooked */ 1390c771c9d8SJohannes Berg struct mutex iflist_mtx; 139179010420SJohannes Berg 1392b16bd15cSJohannes Berg /* 1393ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 139496fc6efbSAlexander Wetzel * key pointers and ptk_idx (write access, they're RCU.) 1395b16bd15cSJohannes Berg */ 1396ad0e2b5aSJohannes Berg struct mutex key_mtx; 1397b16bd15cSJohannes Berg 1398a1699b75SJohannes Berg /* mutex for scan and work locking */ 1399a1699b75SJohannes Berg struct mutex mtx; 1400b16bd15cSJohannes Berg 1401c2b13452SJohannes Berg /* Scanning and BSS list */ 1402fbe9c429SHelmut Schaa unsigned long scanning; 14032a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 14045ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 14056ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1406c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 14077ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 140857fbcce3SJohannes Berg enum nl80211_band hw_scan_band; 1409f0706e82SJiri Benc int scan_channel_idx; 1410de95a54bSJohannes Berg int scan_ies_len; 1411c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 14127947d3e0SAvraham Stern struct cfg80211_scan_info scan_info; 14138318d78aSJohannes Berg 141485a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 14155260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 14166ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1417a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 141879f460caSLuciano Coelho 1419df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1420977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1421f0706e82SJiri Benc struct delayed_work scan_work; 1422e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 142355de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1424675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1425f0706e82SJiri Benc 1426b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1427b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1428b8bc4b0aSJohannes Berg 1429d01a1e65SMichal Kazior /* channel contexts */ 1430d01a1e65SMichal Kazior struct list_head chanctx_list; 1431d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1432d01a1e65SMichal Kazior 1433c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 14348d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 14358d5c2585SJohannes Berg struct led_trigger tpt_led; 14368d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 14378d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1438c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1439c206ca67SJohannes Berg #endif 1440c206ca67SJohannes Berg 1441c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1442f0706e82SJiri Benc /* SNMP counters */ 1443f0706e82SJiri Benc /* dot11CountersTable */ 1444f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1445f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1446f0706e82SJiri Benc u32 dot11FailedCount; 1447f0706e82SJiri Benc u32 dot11RetryCount; 1448f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1449f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1450f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1451f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1452f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1453f0706e82SJiri Benc 1454f0706e82SJiri Benc /* TX/RX handler statistics */ 1455f0706e82SJiri Benc unsigned int tx_handlers_drop; 1456f0706e82SJiri Benc unsigned int tx_handlers_queued; 1457f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1458f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1459f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1460f0706e82SJiri Benc unsigned int rx_handlers_drop; 1461f0706e82SJiri Benc unsigned int rx_handlers_queued; 1462f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1463f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1464f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1465f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1466f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1467f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1468f0706e82SJiri Benc unsigned int tx_status_drop; 1469f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1470f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1471f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1472f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1473f0706e82SJiri Benc 1474f0706e82SJiri Benc 1475f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1476f0706e82SJiri Benc * multicast packets for power saving stations 1477f0706e82SJiri Benc */ 1478520eb820SKalle Valo 1479572e0012SKalle Valo bool pspolling; 1480965bedadSJohannes Berg /* 1481965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1482965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1483965bedadSJohannes Berg */ 1484965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1485520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1486520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1487520eb820SKalle Valo struct timer_list dynamic_ps_timer; 14882b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1489a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1490f0706e82SJiri Benc 1491ff616381SJuuso Oikarinen /* 1492ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1493ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1494ff616381SJuuso Oikarinen */ 1495ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1496ff616381SJuuso Oikarinen 14971ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 14982bf30fabSJohannes Berg 14990f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 15000f78231bSJohannes Berg 1501f2753ddbSJohannes Berg struct work_struct restart_work; 1502f2753ddbSJohannes Berg 1503e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1504e9f207f0SJiri Benc struct local_debugfsdentries { 15054b7679a5SJohannes Berg struct dentry *rcdir; 1506e9f207f0SJiri Benc struct dentry *keys; 1507e9f207f0SJiri Benc } debugfs; 1508276d9e82SJulius Niedworok bool force_tx_status; 1509e9f207f0SJiri Benc #endif 15104e6cbfd0SJohn W. Linville 15112eb278e0SJohannes Berg /* 15122eb278e0SJohannes Berg * Remain-on-channel support 15132eb278e0SJohannes Berg */ 1514aaa016ccSJohannes Berg struct delayed_work roc_work; 15152eb278e0SJohannes Berg struct list_head roc_list; 151621f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 15172eb278e0SJohannes Berg unsigned long hw_roc_start_time; 151850febf6aSJohannes Berg u64 roc_cookie_counter; 151921f83589SJohannes Berg 1520a729cff8SJohannes Berg struct idr ack_status_frames; 1521a729cff8SJohannes Berg spinlock_t ack_status_lock; 1522a729cff8SJohannes Berg 1523f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1524f142c6b9SJohannes Berg 15254b6f1dd6SJohannes Berg /* virtual monitor interface */ 15264b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 15274bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1528e9a21949SLuciano Coelho 1529e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1530e9a21949SLuciano Coelho u8 ext_capa[8]; 1531f0706e82SJiri Benc }; 1532f0706e82SJiri Benc 15333e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 1534d787a3e3SFelix Fietkau IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev) 15353e122be0SJohannes Berg { 15363e122be0SJohannes Berg return netdev_priv(dev); 15373e122be0SJohannes Berg } 15383e122be0SJohannes Berg 153971bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 154071bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 154171bbc994SJohannes Berg { 154271bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 154371bbc994SJohannes Berg } 154471bbc994SJohannes Berg 154521a8e9ddSMohammed Shafi Shajakhan static inline struct ieee80211_supported_band * 154621a8e9ddSMohammed Shafi Shajakhan ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) 154721a8e9ddSMohammed Shafi Shajakhan { 154821a8e9ddSMohammed Shafi Shajakhan struct ieee80211_local *local = sdata->local; 154921a8e9ddSMohammed Shafi Shajakhan struct ieee80211_chanctx_conf *chanctx_conf; 155021a8e9ddSMohammed Shafi Shajakhan enum nl80211_band band; 155121a8e9ddSMohammed Shafi Shajakhan 155221a8e9ddSMohammed Shafi Shajakhan rcu_read_lock(); 1553d0a9123eSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 155421a8e9ddSMohammed Shafi Shajakhan 15550ee4d555SJohannes Berg if (!chanctx_conf) { 155621a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 155721a8e9ddSMohammed Shafi Shajakhan return NULL; 155821a8e9ddSMohammed Shafi Shajakhan } 155921a8e9ddSMohammed Shafi Shajakhan 156021a8e9ddSMohammed Shafi Shajakhan band = chanctx_conf->def.chan->band; 156121a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 156221a8e9ddSMohammed Shafi Shajakhan 156321a8e9ddSMohammed Shafi Shajakhan return local->hw.wiphy->bands[band]; 156421a8e9ddSMohammed Shafi Shajakhan } 156521a8e9ddSMohammed Shafi Shajakhan 1566c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1567c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1568c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1569c0f17eb9SChun-Yeow Yeoh u8 mode; 1570c0f17eb9SChun-Yeow Yeoh u8 count; 1571c0f17eb9SChun-Yeow Yeoh u8 ttl; 15723f718fd8SChun-Yeow Yeoh u16 pre_value; 15735d55371bSBenjamin Berg u16 reason_code; 1574ee145775SSara Sharon u32 max_switch_time; 1575c0f17eb9SChun-Yeow Yeoh }; 1576c0f17eb9SChun-Yeow Yeoh 1577dd76986bSJohannes Berg /* Parsed Information Elements */ 1578dd76986bSJohannes Berg struct ieee802_11_elems { 15794a3cb702SJohannes Berg const u8 *ie_start; 1580dd76986bSJohannes Berg size_t total_len; 1581c6e37ed4SJohannes Berg u32 crc; 1582dd76986bSJohannes Berg 1583dd76986bSJohannes Berg /* pointers to IEs */ 158453837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 158553837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 15869041c1faSArik Nemtsov const u8 *ext_capab; 15874a3cb702SJohannes Berg const u8 *ssid; 15884a3cb702SJohannes Berg const u8 *supp_rates; 15894a3cb702SJohannes Berg const u8 *ds_params; 15904a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 15914a3cb702SJohannes Berg const u8 *rsn; 1592c0058df7SShaul Triebitz const u8 *rsnx; 15934a3cb702SJohannes Berg const u8 *erp_info; 15944a3cb702SJohannes Berg const u8 *ext_supp_rates; 15954a3cb702SJohannes Berg const u8 *wmm_info; 15964a3cb702SJohannes Berg const u8 *wmm_param; 15974a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 15984a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 15994a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 16004a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 16014a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 160241cbb0f5SLuca Coelho const u8 *he_cap; 160341cbb0f5SLuca Coelho const struct ieee80211_he_operation *he_operation; 1604ef11a931SJohn Crispin const struct ieee80211_he_spr *he_spr; 160541cbb0f5SLuca Coelho const struct ieee80211_mu_edca_param_set *mu_edca_param_set; 1606a6cf28e0SRajkumar Manoharan const struct ieee80211_he_6ghz_capa *he_6ghz_capa; 1607b0345850SWen Gong const struct ieee80211_tx_pwr_env *tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT]; 160841cbb0f5SLuca Coelho const u8 *uora_element; 16094a3cb702SJohannes Berg const u8 *mesh_id; 16104a3cb702SJohannes Berg const u8 *peering; 16114a3cb702SJohannes Berg const __le16 *awake_window; 16124a3cb702SJohannes Berg const u8 *preq; 16134a3cb702SJohannes Berg const u8 *prep; 16144a3cb702SJohannes Berg const u8 *perr; 16154a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 16164a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1617b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1618b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 1619ee145775SSara Sharon const u8 *max_channel_switch_time; 16204a3cb702SJohannes Berg const u8 *country_elem; 16214a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1622c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 162379ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 16244a3cb702SJohannes Berg const u8 *opmode_notif; 162585220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 1626c4de37eeSPeter Oh struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1627e38a017bSAvraham Stern const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; 162878ac51f8SSara Sharon const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; 162978ac51f8SSara Sharon const struct ieee80211_bssid_index *bssid_index; 163078ac51f8SSara Sharon u8 max_bssid_indicator; 163178ac51f8SSara Sharon u8 dtim_count; 163278ac51f8SSara Sharon u8 dtim_period; 16332aa485e1SJohn Crispin const struct ieee80211_addba_ext_ie *addba_ext_ie; 1634cd418ba6SThomas Pedersen const struct ieee80211_s1g_cap *s1g_capab; 1635cd418ba6SThomas Pedersen const struct ieee80211_s1g_oper_ie *s1g_oper; 1636cd418ba6SThomas Pedersen const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat; 16371d00ce80SThomas Pedersen const struct ieee80211_aid_response_ie *aid_resp; 1638f0e6bea8SIlan Peer const struct ieee80211_eht_cap_elem *eht_cap; 1639f0e6bea8SIlan Peer const struct ieee80211_eht_operation *eht_operation; 1640dd76986bSJohannes Berg 1641dd76986bSJohannes Berg /* length of them, respectively */ 16429041c1faSArik Nemtsov u8 ext_capab_len; 1643dd76986bSJohannes Berg u8 ssid_len; 1644dd76986bSJohannes Berg u8 supp_rates_len; 1645dd76986bSJohannes Berg u8 tim_len; 1646dd76986bSJohannes Berg u8 rsn_len; 1647c0058df7SShaul Triebitz u8 rsnx_len; 1648dd76986bSJohannes Berg u8 ext_supp_rates_len; 1649dd76986bSJohannes Berg u8 wmm_info_len; 1650dd76986bSJohannes Berg u8 wmm_param_len; 165141cbb0f5SLuca Coelho u8 he_cap_len; 1652dd76986bSJohannes Berg u8 mesh_id_len; 1653dd76986bSJohannes Berg u8 peering_len; 1654dd76986bSJohannes Berg u8 preq_len; 1655dd76986bSJohannes Berg u8 prep_len; 1656dd76986bSJohannes Berg u8 perr_len; 1657dd76986bSJohannes Berg u8 country_elem_len; 165878ac51f8SSara Sharon u8 bssid_index_len; 1659b0345850SWen Gong u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT]; 1660b0345850SWen Gong u8 tx_pwr_env_num; 1661f0e6bea8SIlan Peer u8 eht_cap_len; 1662fcff4f10SPaul Stewart 1663fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1664fcff4f10SPaul Stewart bool parse_error; 1665dd76986bSJohannes Berg }; 1666dd76986bSJohannes Berg 1667f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1668f0706e82SJiri Benc struct ieee80211_hw *hw) 1669f0706e82SJiri Benc { 1670f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1671f0706e82SJiri Benc } 1672f0706e82SJiri Benc 1673ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1674ba8c3d6fSFelix Fietkau { 1675ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1676ba8c3d6fSFelix Fietkau } 1677f0706e82SJiri Benc 1678bb42f2d1SToke Høiland-Jørgensen static inline bool txq_has_queue(struct ieee80211_txq *txq) 1679bb42f2d1SToke Høiland-Jørgensen { 1680bb42f2d1SToke Høiland-Jørgensen struct txq_info *txqi = to_txq_info(txq); 1681bb42f2d1SToke Høiland-Jørgensen 1682bb42f2d1SToke Høiland-Jørgensen return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); 1683bb42f2d1SToke Høiland-Jørgensen } 1684bb42f2d1SToke Høiland-Jørgensen 16852433647bSToke Høiland-Jørgensen static inline struct airtime_info *to_airtime_info(struct ieee80211_txq *txq) 16862433647bSToke Høiland-Jørgensen { 16872433647bSToke Høiland-Jørgensen struct ieee80211_sub_if_data *sdata; 16882433647bSToke Høiland-Jørgensen struct sta_info *sta; 16892433647bSToke Høiland-Jørgensen 16902433647bSToke Høiland-Jørgensen if (txq->sta) { 16912433647bSToke Høiland-Jørgensen sta = container_of(txq->sta, struct sta_info, sta); 16922433647bSToke Høiland-Jørgensen return &sta->airtime[txq->ac]; 16932433647bSToke Høiland-Jørgensen } 16942433647bSToke Høiland-Jørgensen 16952433647bSToke Høiland-Jørgensen sdata = vif_to_sdata(txq->vif); 1696bfd8403aSJohannes Berg return &sdata->deflink.airtime[txq->ac]; 16972433647bSToke Høiland-Jørgensen } 16982433647bSToke Høiland-Jørgensen 16992433647bSToke Høiland-Jørgensen /* To avoid divisions in the fast path, we keep pre-computed reciprocals for 17002433647bSToke Høiland-Jørgensen * airtime weight calculations. There are two different weights to keep track 17012433647bSToke Høiland-Jørgensen * of: The per-station weight and the sum of weights per phy. 17022433647bSToke Høiland-Jørgensen * 17032433647bSToke Høiland-Jørgensen * For the per-station weights (kept in airtime_info below), we use 32-bit 17042433647bSToke Høiland-Jørgensen * reciprocals with a devisor of 2^19. This lets us keep the multiplications and 17052433647bSToke Høiland-Jørgensen * divisions for the station weights as 32-bit operations at the cost of a bit 17062433647bSToke Høiland-Jørgensen * of rounding error for high weights; but the choice of divisor keeps rounding 17072433647bSToke Høiland-Jørgensen * errors <10% for weights <2^15, assuming no more than 8ms of airtime is 17082433647bSToke Høiland-Jørgensen * reported at a time. 17092433647bSToke Høiland-Jørgensen * 17102433647bSToke Høiland-Jørgensen * For the per-phy sum of weights the values can get higher, so we use 64-bit 17112433647bSToke Høiland-Jørgensen * operations for those with a 32-bit divisor, which should avoid any 17122433647bSToke Høiland-Jørgensen * significant rounding errors. 17132433647bSToke Høiland-Jørgensen */ 17142433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_DIVISOR_64 0x100000000ULL 17152433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_SHIFT_64 32 17162433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_DIVISOR_32 0x80000U 17172433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_SHIFT_32 19 17182433647bSToke Høiland-Jørgensen 17192433647bSToke Høiland-Jørgensen static inline void airtime_weight_set(struct airtime_info *air_info, u16 weight) 17202433647bSToke Høiland-Jørgensen { 17212433647bSToke Høiland-Jørgensen if (air_info->weight == weight) 17222433647bSToke Høiland-Jørgensen return; 17232433647bSToke Høiland-Jørgensen 17242433647bSToke Høiland-Jørgensen air_info->weight = weight; 17252433647bSToke Høiland-Jørgensen if (weight) { 17262433647bSToke Høiland-Jørgensen air_info->weight_reciprocal = 17272433647bSToke Høiland-Jørgensen IEEE80211_RECIPROCAL_DIVISOR_32 / weight; 17282433647bSToke Høiland-Jørgensen } else { 17292433647bSToke Høiland-Jørgensen air_info->weight_reciprocal = 0; 17302433647bSToke Høiland-Jørgensen } 17312433647bSToke Høiland-Jørgensen } 17322433647bSToke Høiland-Jørgensen 17332433647bSToke Høiland-Jørgensen static inline void airtime_weight_sum_set(struct airtime_sched_info *air_sched, 17342433647bSToke Høiland-Jørgensen int weight_sum) 17352433647bSToke Høiland-Jørgensen { 17362433647bSToke Høiland-Jørgensen if (air_sched->weight_sum == weight_sum) 17372433647bSToke Høiland-Jørgensen return; 17382433647bSToke Høiland-Jørgensen 17392433647bSToke Høiland-Jørgensen air_sched->weight_sum = weight_sum; 17402433647bSToke Høiland-Jørgensen if (air_sched->weight_sum) { 17412433647bSToke Høiland-Jørgensen air_sched->weight_sum_reciprocal = IEEE80211_RECIPROCAL_DIVISOR_64; 17422433647bSToke Høiland-Jørgensen do_div(air_sched->weight_sum_reciprocal, air_sched->weight_sum); 17432433647bSToke Høiland-Jørgensen } else { 17442433647bSToke Høiland-Jørgensen air_sched->weight_sum_reciprocal = 0; 17452433647bSToke Høiland-Jørgensen } 17462433647bSToke Høiland-Jørgensen } 17472433647bSToke Høiland-Jørgensen 17482433647bSToke Høiland-Jørgensen /* A problem when trying to enforce airtime fairness is that we want to divide 17492433647bSToke Høiland-Jørgensen * the airtime between the currently *active* stations. However, basing this on 17502433647bSToke Høiland-Jørgensen * the instantaneous queue state of stations doesn't work, as queues tend to 17512433647bSToke Høiland-Jørgensen * oscillate very quickly between empty and occupied, leading to the scheduler 17522433647bSToke Høiland-Jørgensen * thinking only a single station is active when deciding whether to allow 17532433647bSToke Høiland-Jørgensen * transmission (and thus not throttling correctly). 17542433647bSToke Høiland-Jørgensen * 17552433647bSToke Høiland-Jørgensen * To fix this we use a timer-based notion of activity: a station is considered 17562433647bSToke Høiland-Jørgensen * active if it has been scheduled within the last 100 ms; we keep a separate 17572433647bSToke Høiland-Jørgensen * list of all the stations considered active in this manner, and lazily update 17582433647bSToke Høiland-Jørgensen * the total weight of active stations from this list (filtering the stations in 17592433647bSToke Høiland-Jørgensen * the list by their 'last active' time). 17602433647bSToke Høiland-Jørgensen * 17612433647bSToke Høiland-Jørgensen * We add one additional safeguard to guard against stations that manage to get 17622433647bSToke Høiland-Jørgensen * scheduled every 100 ms but don't transmit a lot of data, and thus don't use 17632433647bSToke Høiland-Jørgensen * up any airtime. Such stations would be able to get priority for an extended 17642433647bSToke Høiland-Jørgensen * period of time if they do start transmitting at full capacity again, and so 17652433647bSToke Høiland-Jørgensen * we add an explicit maximum for how far behind a station is allowed to fall in 17662433647bSToke Høiland-Jørgensen * the virtual airtime domain. This limit is set to a relatively high value of 17672433647bSToke Høiland-Jørgensen * 20 ms because the main mechanism for catching up idle stations is the active 17682433647bSToke Høiland-Jørgensen * state as described above; i.e., the hard limit should only be hit in 17692433647bSToke Høiland-Jørgensen * pathological cases. 17702433647bSToke Høiland-Jørgensen */ 17712433647bSToke Høiland-Jørgensen #define AIRTIME_ACTIVE_DURATION (100 * NSEC_PER_MSEC) 17722433647bSToke Høiland-Jørgensen #define AIRTIME_MAX_BEHIND 20000 /* 20 ms */ 17732433647bSToke Høiland-Jørgensen 17742433647bSToke Høiland-Jørgensen static inline bool airtime_is_active(struct airtime_info *air_info, u64 now) 17752433647bSToke Høiland-Jørgensen { 17762433647bSToke Høiland-Jørgensen return air_info->last_scheduled >= now - AIRTIME_ACTIVE_DURATION; 17772433647bSToke Høiland-Jørgensen } 17782433647bSToke Høiland-Jørgensen 17792433647bSToke Høiland-Jørgensen static inline void airtime_set_active(struct airtime_sched_info *air_sched, 17802433647bSToke Høiland-Jørgensen struct airtime_info *air_info, u64 now) 17812433647bSToke Høiland-Jørgensen { 17822433647bSToke Høiland-Jørgensen air_info->last_scheduled = now; 17832433647bSToke Høiland-Jørgensen air_sched->last_schedule_activity = now; 17842433647bSToke Høiland-Jørgensen list_move_tail(&air_info->list, &air_sched->active_list); 17852433647bSToke Høiland-Jørgensen } 17862433647bSToke Høiland-Jørgensen 17872433647bSToke Høiland-Jørgensen static inline bool airtime_catchup_v_t(struct airtime_sched_info *air_sched, 17882433647bSToke Høiland-Jørgensen u64 v_t, u64 now) 17892433647bSToke Høiland-Jørgensen { 17902433647bSToke Høiland-Jørgensen air_sched->v_t = v_t; 17912433647bSToke Høiland-Jørgensen return true; 17922433647bSToke Høiland-Jørgensen } 17932433647bSToke Høiland-Jørgensen 17942433647bSToke Høiland-Jørgensen static inline void init_airtime_info(struct airtime_info *air_info, 17952433647bSToke Høiland-Jørgensen struct airtime_sched_info *air_sched) 17962433647bSToke Høiland-Jørgensen { 17972433647bSToke Høiland-Jørgensen atomic_set(&air_info->aql_tx_pending, 0); 17982433647bSToke Høiland-Jørgensen air_info->aql_limit_low = air_sched->aql_txq_limit_low; 17992433647bSToke Høiland-Jørgensen air_info->aql_limit_high = air_sched->aql_txq_limit_high; 18002433647bSToke Høiland-Jørgensen airtime_weight_set(air_info, IEEE80211_DEFAULT_AIRTIME_WEIGHT); 18012433647bSToke Høiland-Jørgensen INIT_LIST_HEAD(&air_info->list); 18022433647bSToke Høiland-Jørgensen } 18032433647bSToke Høiland-Jørgensen 1804571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1805571ecf67SJohannes Berg { 1806b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1807571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1808571ecf67SJohannes Berg } 1809571ecf67SJohannes Berg 1810f4bda337SThomas Pedersen static inline bool 1811f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1812f4bda337SThomas Pedersen { 1813f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1814f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1815da388233SAvraham Stern return !!(status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END | 1816da388233SAvraham Stern RX_FLAG_MACTIME_PLCP_START)); 1817f4bda337SThomas Pedersen } 1818571ecf67SJohannes Berg 181972f15d53SMichael Braun void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); 182072f15d53SMichael Braun void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); 182172f15d53SMichael Braun 182272f15d53SMichael Braun /* This function returns the number of multicast stations connected to this 182372f15d53SMichael Braun * interface. It returns -1 if that number is not tracked, that is for netdevs 182472f15d53SMichael Braun * not in AP or AP_VLAN mode or when using 4addr. 182572f15d53SMichael Braun */ 182672f15d53SMichael Braun static inline int 182772f15d53SMichael Braun ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) 182872f15d53SMichael Braun { 182972f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP) 183072f15d53SMichael Braun return atomic_read(&sdata->u.ap.num_mcast_sta); 183172f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) 183272f15d53SMichael Braun return atomic_read(&sdata->u.vlan.num_mcast_sta); 183372f15d53SMichael Braun return -1; 183472f15d53SMichael Braun } 183572f15d53SMichael Braun 1836f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1837f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1838f4bda337SThomas Pedersen unsigned int mpdu_len, 1839f4bda337SThomas Pedersen unsigned int mpdu_offset); 1840e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 18415cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 18429c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 18437b7090b4SJohannes Berg u64 changed); 18447b7090b4SJohannes Berg void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata, 18457b7090b4SJohannes Berg u64 changed); 18467b7090b4SJohannes Berg void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata, 18477b7090b4SJohannes Berg int link_id, u64 changed); 18480d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 184946900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1850f0706e82SJiri Benc 1851a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 18525ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 18535ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1854a2fcfccbSJohannes Berg 185549ddf8e6SJohannes Berg void ieee80211_check_fast_rx(struct sta_info *sta); 185649ddf8e6SJohannes Berg void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 185749ddf8e6SJohannes Berg void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 185849ddf8e6SJohannes Berg void ieee80211_clear_fast_rx(struct sta_info *sta); 185949ddf8e6SJohannes Berg 186046900298SJohannes Berg /* STA code */ 18619c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 186277fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 186377fdaa12SJohannes Berg struct cfg80211_auth_request *req); 186477fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 186577fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 186677fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 186763c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 186877fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 186963c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1870572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1871572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 18724a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1873ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 18742b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 18751fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 18761fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 18771fa57d01SJohannes Berg struct sk_buff *skb); 187809a740ceSThomas Pedersen void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata, 187909a740ceSThomas Pedersen struct sk_buff *skb); 1880d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1881be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1882afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 18831672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 18841672c0e3SJohannes Berg __le16 fc, bool acked); 18851a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1886b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 188702219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 18887dd231ebSNaftali Goldstein void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, 188953da4c45SJohannes Berg u8 reason, bool tx); 18909c6bd790SJohannes Berg 189146900298SJohannes Berg /* IBSS code */ 189246900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 189346900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 18948bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 18958bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1896af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1897af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1898af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 18991fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 19001fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 19011fa57d01SJohannes Berg struct sk_buff *skb); 1902cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1903cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1904cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1905cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 19061fa57d01SJohannes Berg 1907239281f8SRostislav Lisovy /* OCB code */ 1908239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1909239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1910239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1911239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1912239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1913239281f8SRostislav Lisovy struct ocb_setup *setup); 1914239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1915239281f8SRostislav Lisovy 19161fa57d01SJohannes Berg /* mesh code */ 19171fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 19181fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 19191fa57d01SJohannes Berg struct sk_buff *skb); 1920b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 192166e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1922b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 192346900298SJohannes Berg 19249c6bd790SJohannes Berg /* scan/BSS handling */ 192546900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 192634bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1927be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 192876bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 192976bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 19307ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1931c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 19322a519311SJohannes Berg struct cfg80211_scan_request *req); 19335bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1934133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1935d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 19369c6bd790SJohannes Berg 19370a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1938c2b13452SJohannes Berg struct ieee80211_bss * 193998c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 194098c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 194198c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 194298c8fccfSJohannes Berg size_t len, 1943d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 194498c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1945c2b13452SJohannes Berg struct ieee80211_bss *bss); 1946ee385855SLuis Carlos Cobo 194779f460caSLuciano Coelho /* scheduled scan handling */ 1948d43c6b6eSDavid Spinadel int 1949d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1950d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 195179f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 195279f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 19530d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1954f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 195585a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 195679f460caSLuciano Coelho 1957a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1958aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1959aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 19602eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 19612eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1962c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1963c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1964a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1965a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1966a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1967a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1968a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1969a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1970a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1971a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1972a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1973b203ffc3SJouni Malinen 197473da7d5bSSimon Wunderlich /* channel switch handling */ 197573da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 197682a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 197782a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 197873da7d5bSSimon Wunderlich 19795f9404abSJohn Crispin /* color change handling */ 19805f9404abSJohn Crispin void ieee80211_color_change_finalize_work(struct work_struct *work); 19815f9404abSJohn Crispin 19823e122be0SJohannes Berg /* interface handling */ 198307b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \ 198407b83d2eSJohannes Berg NETIF_F_HW_CSUM | NETIF_F_SG | \ 198507b83d2eSJohannes Berg NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE) 198607b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM) 198707b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \ 198807b83d2eSJohannes Berg MAC80211_SUPPORTED_FEATURES_RX) 198907b83d2eSJohannes Berg 199047846c9bSJohannes Berg int ieee80211_iface_init(void); 199147846c9bSJohannes Berg void ieee80211_iface_exit(void); 19923e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 19936bab2e19STom Gundersen unsigned char name_assign_type, 199484efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1995ee385855SLuis Carlos Cobo struct vif_params *params); 1996f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 199705c914feSJohannes Berg enum nl80211_iftype type); 1998f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 199975636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 2000382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 20015cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 200285416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 200385416a4fSChristian Lamparter const int offset); 2004f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 2005f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 20063c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 20073c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 2008f0706e82SJiri Benc 2009d8787ec6SJohannes Berg int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata, 2010d8787ec6SJohannes Berg u16 new_links); 2011d8787ec6SJohannes Berg 20121ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 2013db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 2014db82d8a9SLorenzo Bianconi bool update_bss); 20156aea26ceSFelix Fietkau void ieee80211_recalc_offload(struct ieee80211_local *local); 20161ea6f9c0SJohannes Berg 20179607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 20189607e6b6SJohannes Berg { 201934d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 20209607e6b6SJohannes Berg } 20219607e6b6SJohannes Berg 2022e2ebc74dSJohannes Berg /* tx handling */ 2023e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 2024da1cad73SAllen Pais void ieee80211_tx_pending(struct tasklet_struct *t); 2025d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 2026d0cf9c0dSStephen Hemminger struct net_device *dev); 2027d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 2028d0cf9c0dSStephen Hemminger struct net_device *dev); 202950ff477aSJohn Crispin netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, 203050ff477aSJohn Crispin struct net_device *dev); 203124d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 203224d342c5SLiad Kaufman struct net_device *dev, 203306016772SRajkumar Manoharan u32 info_flags, 2034a7528198SMarkus Theil u32 ctrl_flags, 2035a7528198SMarkus Theil u64 *cookie); 20361f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 20371f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 20387528ec57SJohannes Berg struct sk_buff * 20397528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 20407528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 20414dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 2042b7b2e8caSJohn Crispin int retry_count, int shift, bool send_to_cooked, 2043b7b2e8caSJohn Crispin struct ieee80211_tx_status *status); 2044e2ebc74dSJohannes Berg 204517c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 204617c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 204717c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 204817c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 204991180649SDenis Kenzior int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, 205091180649SDenis Kenzior const u8 *buf, size_t len, 2051dca9ca2dSMarkus Theil const u8 *dest, __be16 proto, bool unencrypted, 2052dca9ca2dSMarkus Theil u64 *cookie); 20538828f81aSRajkumar Manoharan int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, 20548828f81aSRajkumar Manoharan const u8 *buf, size_t len); 20552433647bSToke Høiland-Jørgensen void ieee80211_resort_txq(struct ieee80211_hw *hw, 20562433647bSToke Høiland-Jørgensen struct ieee80211_txq *txq); 20572433647bSToke Høiland-Jørgensen void ieee80211_unschedule_txq(struct ieee80211_hw *hw, 20582433647bSToke Høiland-Jørgensen struct ieee80211_txq *txq, 20592433647bSToke Høiland-Jørgensen bool purge); 20602433647bSToke Høiland-Jørgensen void ieee80211_update_airtime_weight(struct ieee80211_local *local, 20612433647bSToke Høiland-Jørgensen struct airtime_sched_info *air_sched, 20622433647bSToke Høiland-Jørgensen u64 now, bool force); 206317c18bf8SJohannes Berg 2064de1ede7aSJohannes Berg /* HT */ 2065ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 2066ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 2067e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 2068ef96a842SBen Greear struct ieee80211_supported_band *sband, 20694a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 20706b41f832SJohannes Berg struct sta_info *sta, unsigned int link_id); 2071b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 2072b8695a8fSJohannes Berg const u8 *da, u16 tid, 2073b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 20740f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 20750f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 20760f78231bSJohannes Berg const u8 *bssid); 2077687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 2078687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 2079687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 2080687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 2081de1ede7aSJohannes Berg 20827c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 208353f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 2084849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 208553f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 2086bde59c47SJohannes Berg void ___ieee80211_start_rx_ba_session(struct sta_info *sta, 2087bde59c47SJohannes Berg u8 dialog_token, u16 timeout, 2088bde59c47SJohannes Berg u16 start_seq_num, u16 ba_policy, u16 tid, 20892ab45876SJohn Crispin u16 buf_size, bool tx, bool auto_seq, 20902ab45876SJohn Crispin const struct ieee80211_addba_ext_ie *addbaext); 2091c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 2092c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 2093de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 2094de1ede7aSJohannes Berg struct sta_info *sta, 2095de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 2096de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 2097de1ede7aSJohannes Berg struct sta_info *sta, 2098de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 2099de1ede7aSJohannes Berg size_t len); 2100de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 2101de1ede7aSJohannes Berg struct sta_info *sta, 2102de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 2103de1ede7aSJohannes Berg size_t len); 2104de1ede7aSJohannes Berg 2105849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 2106c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 210767c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 2108c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 21097a7c0a64SJohannes Berg void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, 21107a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 21117a7c0a64SJohannes Berg void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, 21127a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 211367c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 211467c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 21152bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 2116849b7967SJohannes Berg 211704ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 211857566b20Stamizhr@codeaurora.org enum nl80211_smps_mode 211957566b20Stamizhr@codeaurora.org ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps); 212004ecd257SJohannes Berg 2121818255eaSMahesh Palivela /* VHT */ 21224a3cb702SJohannes Berg void 21234a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 2124818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 21254a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 2126afe0d181SJohannes Berg struct sta_info *sta, unsigned int link_id); 2127b4f85443SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta, 2128b4f85443SJohannes Berg unsigned int link_id); 2129b4f85443SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta, 2130b4f85443SJohannes Berg unsigned int link_id); 2131afe0d181SJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta, unsigned int link_id); 213259021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 213359021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 2134afe0d181SJohannes Berg enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta, 2135afe0d181SJohannes Berg unsigned int link_id); 213623a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 2137afe0d181SJohannes Berg unsigned int link_id, 213823a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 2139b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 2140afe0d181SJohannes Berg struct sta_info *sta, unsigned int link_id, 2141afe0d181SJohannes Berg u8 opmode, enum nl80211_band band); 21420af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 2143afe0d181SJohannes Berg struct sta_info *sta, unsigned int link_id, 2144afe0d181SJohannes Berg u8 opmode, enum nl80211_band band); 2145dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 2146dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 2147b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 2148b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 214997f5f425Stamizhr@codeaurora.org enum nl80211_chan_width 2150afe0d181SJohannes Berg ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta, unsigned int link_id); 21514a34215eSJohannes Berg 215241cbb0f5SLuca Coelho /* HE */ 215341cbb0f5SLuca Coelho void 215441cbb0f5SLuca Coelho ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 215541cbb0f5SLuca Coelho struct ieee80211_supported_band *sband, 215641cbb0f5SLuca Coelho const u8 *he_cap_ie, u8 he_cap_len, 21571bb9a8a4SJohannes Berg const struct ieee80211_he_6ghz_capa *he_6ghz_capa, 215840a27ea0SJohannes Berg struct sta_info *sta, unsigned int link_id); 21591ced169cSJohn Crispin void 21601ced169cSJohn Crispin ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, 21611ced169cSJohn Crispin const struct ieee80211_he_spr *he_spr_ie_elem); 216241cbb0f5SLuca Coelho 2163697f6c50SJohn Crispin void 2164697f6c50SJohn Crispin ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif, 2165697f6c50SJohn Crispin const struct ieee80211_he_operation *he_op_ie_elem); 2166697f6c50SJohn Crispin 216712bf8fadSThomas Pedersen /* S1G */ 216812bf8fadSThomas Pedersen void ieee80211_s1g_sta_rate_init(struct sta_info *sta); 2169f5a4c24eSLorenzo Bianconi bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb); 2170f5a4c24eSLorenzo Bianconi void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata, 2171f5a4c24eSLorenzo Bianconi struct sk_buff *skb); 2172f5a4c24eSLorenzo Bianconi void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata, 2173f5a4c24eSLorenzo Bianconi struct sk_buff *skb); 217412bf8fadSThomas Pedersen 217539192c0bSJohannes Berg /* Spectrum management */ 217639192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 217739192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 217839192c0bSJohannes Berg size_t len); 2179e6b7cde4SSimon Wunderlich /** 2180e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 2181e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 2182e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 2183e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 21842a333a0dSJohannes Berg * @vht_cap_info: VHT capabilities of the transmitter 2185e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 2186e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 2187e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 2188e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 2189e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 2190e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 2191e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 2192c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 2193c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 2194e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 2195e6b7cde4SSimon Wunderlich */ 2196e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 219784469a45SLuciano Coelho struct ieee802_11_elems *elems, 219857fbcce3SJohannes Berg enum nl80211_band current_band, 21992a333a0dSJohannes Berg u32 vht_cap_info, 2200c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 2201c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 220239192c0bSJohannes Berg 2203f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 2204f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 220584f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 2206f2753ddbSJohannes Berg 2207eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 2208eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 2209f2753ddbSJohannes Berg 2210f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 2211f2753ddbSJohannes Berg { 221285f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 221385f72bc8SJohn W. Linville 22149120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 22159120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 221685f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 221785f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 221885f72bc8SJohn W. Linville 2219f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 2220f2753ddbSJohannes Berg } 2221665af4fcSBob Copeland 2222c2d1560aSJohannes Berg /* utility functions/constants */ 22238a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 222457fbcce3SJohannes Berg int ieee80211_frame_duration(enum nl80211_band band, size_t len, 2225438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 2226438b61b7SSimon Wunderlich int shift); 2227e552af05SHaim Dreyfuss void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, 2228e552af05SHaim Dreyfuss struct ieee80211_tx_queue_params *qparam, 2229e552af05SHaim Dreyfuss int ac); 22303abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 2231cec66283SJohannes Berg bool bss_notify, bool enable_qos); 22327c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 223308aca29aSMathy Vanhoef struct sta_info *sta, struct sk_buff *skb); 2234cf6bb79aSHelmut Schaa 223555de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 223655de908aSJohannes Berg struct sk_buff *skb, int tid, 223708aca29aSMathy Vanhoef enum nl80211_band band); 223855de908aSJohannes Berg 223950ff477aSJohn Crispin /* sta_out needs to be checked for ERR_PTR() before using */ 224050ff477aSJohn Crispin int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, 224150ff477aSJohn Crispin struct sk_buff *skb, 224250ff477aSJohn Crispin struct sta_info **sta_out); 224350ff477aSJohn Crispin 224455de908aSJohannes Berg static inline void 224555de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 224655de908aSJohannes Berg struct sk_buff *skb, int tid, 224708aca29aSMathy Vanhoef enum nl80211_band band) 224855de908aSJohannes Berg { 224955de908aSJohannes Berg rcu_read_lock(); 225008aca29aSMathy Vanhoef __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 225155de908aSJohannes Berg rcu_read_unlock(); 225255de908aSJohannes Berg } 225355de908aSJohannes Berg 2254*eef25a66SJohannes Berg void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 2255*eef25a66SJohannes Berg struct sk_buff *skb, int tid); 225655de908aSJohannes Berg 225755de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 2258cf6bb79aSHelmut Schaa struct sk_buff *skb) 2259cf6bb79aSHelmut Schaa { 2260cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 2261cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 2262cf6bb79aSHelmut Schaa } 2263cf6bb79aSHelmut Schaa 22645d24828dSJohannes Berg struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len, 226535d865afSJohannes Berg bool action, 22665d24828dSJohannes Berg u64 filter, u32 crc, 22675d24828dSJohannes Berg const u8 *transmitter_bssid, 22685d24828dSJohannes Berg const u8 *bss_bssid); 22695d24828dSJohannes Berg static inline struct ieee802_11_elems * 22705d24828dSJohannes Berg ieee802_11_parse_elems(const u8 *start, size_t len, bool action, 22715d24828dSJohannes Berg const u8 *transmitter_bssid, 22725d24828dSJohannes Berg const u8 *bss_bssid) 2273ddc4db2eSJohannes Berg { 22745d24828dSJohannes Berg return ieee802_11_parse_elems_crc(start, len, action, 0, 0, 22754abb52a4SSara Sharon transmitter_bssid, bss_bssid); 2276ddc4db2eSJohannes Berg } 2277ddc4db2eSJohannes Berg 227883eb935eSMichal Kazior 227902219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 228002219b3aSJohannes Berg 228102219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 228202219b3aSJohannes Berg { 228302219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 228402219b3aSJohannes Berg } 228502219b3aSJohannes Berg 2286520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 2287520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 228834f11cd3SKees Cook void ieee80211_dynamic_ps_timer(struct timer_list *t); 2289a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 2290a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 2291076cdcb1SJohannes Berg bool powersave); 2292a5d3cbdbSFelix Fietkau void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local, 2293a5d3cbdbSFelix Fietkau struct ieee80211_sub_if_data *sdata); 22944e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 229502219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 2296520eb820SKalle Valo 2297ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 2298445ea4e8SJohannes Berg unsigned long queues, 2299cca07b00SLuciano Coelho enum queue_stop_reason reason, 2300cca07b00SLuciano Coelho bool refcounted); 230126da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 230226da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 230326da23b6SLuciano Coelho enum queue_stop_reason reason); 230426da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 230526da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 230626da23b6SLuciano Coelho enum queue_stop_reason reason); 2307ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 2308445ea4e8SJohannes Berg unsigned long queues, 2309cca07b00SLuciano Coelho enum queue_stop_reason reason, 2310cca07b00SLuciano Coelho bool refcounted); 231196f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 2312cca07b00SLuciano Coelho enum queue_stop_reason reason, 2313cca07b00SLuciano Coelho bool refcounted); 231496f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 2315cca07b00SLuciano Coelho enum queue_stop_reason reason, 2316cca07b00SLuciano Coelho bool refcounted); 23173a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 23188f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 23198f77f384SJohannes Berg struct sk_buff *skb); 2320e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 2321e3685e03SJohannes Berg struct sk_buff_head *skbs); 232239ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 23233b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 23244f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 23254f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 23263b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 2327ce7c9111SKalle Valo 23284afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 23294afaff17SEmmanuel Grumbach { 23304afaff17SEmmanuel Grumbach /* 2331f8891461SNaftali Goldstein * It's unsafe to try to do any work during reconfigure flow. 2332f8891461SNaftali Goldstein * When the flow ends the work will be requeued. 2333f8891461SNaftali Goldstein */ 2334f8891461SNaftali Goldstein if (local->in_reconfig) 2335f8891461SNaftali Goldstein return false; 2336f8891461SNaftali Goldstein 2337f8891461SNaftali Goldstein /* 23384afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 23394afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 23404afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 23414afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 23424afaff17SEmmanuel Grumbach */ 23434afaff17SEmmanuel Grumbach if (local->quiescing) 23444afaff17SEmmanuel Grumbach return false; 23454afaff17SEmmanuel Grumbach 23464afaff17SEmmanuel Grumbach /* 23474afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 23484afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 23494afaff17SEmmanuel Grumbach * 23504afaff17SEmmanuel Grumbach * if (local->quiescing) 23514afaff17SEmmanuel Grumbach * return; 23524afaff17SEmmanuel Grumbach * local->quiescing = true; 23534afaff17SEmmanuel Grumbach * flush_workqueue(); 23544afaff17SEmmanuel Grumbach * queue_work(...); 23554afaff17SEmmanuel Grumbach * local->suspended = true; 23564afaff17SEmmanuel Grumbach * local->quiescing = false; 23574afaff17SEmmanuel Grumbach * worker starts running... 23584afaff17SEmmanuel Grumbach */ 23594afaff17SEmmanuel Grumbach if (local->suspended) 23604afaff17SEmmanuel Grumbach return false; 23614afaff17SEmmanuel Grumbach 23624afaff17SEmmanuel Grumbach return true; 23634afaff17SEmmanuel Grumbach } 23644afaff17SEmmanuel Grumbach 2365fa962b92SMichal Kazior int ieee80211_txq_setup_flows(struct ieee80211_local *local); 23662fe4a29aSToke Høiland-Jørgensen void ieee80211_txq_set_params(struct ieee80211_local *local); 2367fa962b92SMichal Kazior void ieee80211_txq_teardown_flows(struct ieee80211_local *local); 2368fa962b92SMichal Kazior void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, 2369ba8c3d6fSFelix Fietkau struct sta_info *sta, 2370ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 2371fa962b92SMichal Kazior void ieee80211_txq_purge(struct ieee80211_local *local, 2372fa962b92SMichal Kazior struct txq_info *txqi); 23732a9e2579SJohannes Berg void ieee80211_txq_remove_vlan(struct ieee80211_local *local, 23742a9e2579SJohannes Berg struct ieee80211_sub_if_data *sdata); 23752fe4a29aSToke Høiland-Jørgensen void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 23762fe4a29aSToke Høiland-Jørgensen struct txq_info *txqi); 2377da1cad73SAllen Pais void ieee80211_wake_txqs(struct tasklet_struct *t); 237846900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 2379700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 23804a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 23811672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 23821672c0e3SJohannes Berg u32 tx_flags); 23836ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 23844b08d1b6SJohannes Berg const u8 *da, const u8 *bssid, 23854b08d1b6SJohannes Berg u16 stype, u16 reason, 23866ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 238700387f32SJohannes Berg 238800387f32SJohannes Berg enum { 238900387f32SJohannes Berg IEEE80211_PROBE_FLAG_DIRECTED = BIT(0), 2390b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1), 2391b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2), 239200387f32SJohannes Berg }; 239300387f32SJohannes Berg 23942ad2274cSIlan Peer int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer, 2395c56ef672SDavid Spinadel size_t buffer_len, 2396c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 2397c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 2398c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 239900387f32SJohannes Berg struct cfg80211_chan_def *chandef, 240000387f32SJohannes Berg u32 flags); 2401a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 2402a344d677SJohannes Berg const u8 *src, const u8 *dst, 2403a344d677SJohannes Berg u32 ratemask, 24046b77863bSJohannes Berg struct ieee80211_channel *chan, 2405a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 2406a806c558SPaul Stewart const u8 *ie, size_t ie_len, 240700387f32SJohannes Berg u32 flags); 24082103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 240946900298SJohannes Berg struct ieee802_11_elems *elems, 241057fbcce3SJohannes Berg enum nl80211_band band, u32 *basic_rates); 2411687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2412e9aac179SJohannes Berg unsigned int link_id, 2413687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 2414e9aac179SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata, 2415e9aac179SJohannes Berg unsigned int link_id); 241621f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 241746900298SJohannes Berg 24188e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 2419ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 242042e7aa77SAlexander Simon u16 cap); 2421074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 24224bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 242357f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 242475d627d5SSimon Wunderlich void ieee80211_ie_build_wide_bw_cs(u8 *pos, 242575d627d5SSimon Wunderlich const struct cfg80211_chan_def *chandef); 2426ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2427ba0afa2fSMahesh Palivela u32 cap); 2428fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2429fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 243060ad72daSSven Eckelmann u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype); 24311f2c1044SJohannes Berg u8 *ieee80211_ie_build_he_cap(u32 disable_flags, u8 *pos, 243241cbb0f5SLuca Coelho const struct ieee80211_sta_he_cap *he_cap, 243341cbb0f5SLuca Coelho u8 *end); 243424a2042cSRajkumar Manoharan void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata, 243524a2042cSRajkumar Manoharan struct sk_buff *skb); 2436d1b7524bSRajkumar Manoharan u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef); 24372103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 24382103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 24392103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 2440fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 24416b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 244257fbcce3SJohannes Berg enum nl80211_band band); 2443fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 24446b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 244557fbcce3SJohannes Berg enum nl80211_band band); 244640b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 24477957c6c8SThomas Pedersen void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata, 24487957c6c8SThomas Pedersen struct ieee80211_sta_s1g_cap *caps, 24497957c6c8SThomas Pedersen struct sk_buff *skb); 24501d00ce80SThomas Pedersen void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata, 24511d00ce80SThomas Pedersen struct sk_buff *skb); 24528e664fb3SJohannes Berg 2453f444de05SJohannes Berg /* channel management */ 24548ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 24554bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 24562a333a0dSJohannes Berg bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, 24577eb26df2SJohannes Berg const struct ieee80211_vht_operation *oper, 24587eb26df2SJohannes Berg const struct ieee80211_ht_operation *htop, 2459abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 246057fa5e85SJohannes Berg bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, 246157fa5e85SJohannes Berg const struct ieee80211_he_operation *he_oper, 24625dca295dSIlan Peer const struct ieee80211_eht_operation *eht_oper, 246357fa5e85SJohannes Berg struct cfg80211_chan_def *chandef); 24641d00ce80SThomas Pedersen bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper, 24651d00ce80SThomas Pedersen struct cfg80211_chan_def *chandef); 2466e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 2467f444de05SJohannes Berg 2468d01a1e65SMichal Kazior int __must_check 2469b4f85443SJohannes Berg ieee80211_link_use_channel(struct ieee80211_link_data *link, 24704bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2471d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 24722c9b7359SJohannes Berg int __must_check 2473b4f85443SJohannes Berg ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link, 247411335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 247509332481SMichal Kazior enum ieee80211_chanctx_mode mode, 247609332481SMichal Kazior bool radar_required); 247711335a55SLuciano Coelho int __must_check 2478b4f85443SJohannes Berg ieee80211_link_use_reserved_context(struct ieee80211_link_data *link); 2479b4f85443SJohannes Berg int ieee80211_link_unreserve_chanctx(struct ieee80211_link_data *link); 248011335a55SLuciano Coelho 248111335a55SLuciano Coelho int __must_check 2482b4f85443SJohannes Berg ieee80211_link_change_bandwidth(struct ieee80211_link_data *link, 24832c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 24842c9b7359SJohannes Berg u32 *changed); 2485b4f85443SJohannes Berg void ieee80211_link_release_channel(struct ieee80211_link_data *link); 2486b4f85443SJohannes Berg void ieee80211_link_vlan_copy_chanctx(struct ieee80211_link_data *link); 2487b4f85443SJohannes Berg void ieee80211_link_copy_chanctx_to_vlans(struct ieee80211_link_data *link, 24881f4ac5a6SJohannes Berg bool clear); 2489c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2490c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2491d01a1e65SMichal Kazior 249204ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 249304ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 249421f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 249521f659bfSEliad Peller struct ieee80211_chanctx *ctx); 24965cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2497164eb02dSSimon Wunderlich 2498164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2499164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2500164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2501164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2502c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2503c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 250404ecd257SJohannes Berg 2505057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2506057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 250773de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 250873de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 250973de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 251073de86a3SLuciano Coelho u8 radar_detect); 25116fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 25120fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 25130fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 25142475b1ccSMax Stepanov 251595224fe8SArik Nemtsov /* TDLS */ 251695224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 25173b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 251895224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 251931fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 252031fa97c5SArik Nemtsov size_t extra_ies_len); 252195224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 25223b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2523c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2524a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2525a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2526a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2527a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2528a7a6bdd0SArik Nemtsov struct net_device *dev, 2529a7a6bdd0SArik Nemtsov const u8 *addr); 2530d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 253179c92ca4SYu Wang void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata, 253279c92ca4SYu Wang const u8 *peer, u16 reason); 2533f057d140SJohannes Berg void 2534f057d140SJohannes Berg ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata, 2535f057d140SJohannes Berg struct sk_buff *skb); 2536f057d140SJohannes Berg 2537f057d140SJohannes Berg 253879c92ca4SYu Wang const char *ieee80211_get_reason_code_string(u16 reason_code); 253905d10957SThomas Pedersen u16 ieee80211_encode_usf(int val); 254009a740ceSThomas Pedersen u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 254109a740ceSThomas Pedersen enum nl80211_iftype type); 254295224fe8SArik Nemtsov 2543b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2544b7ffbd7eSJohannes Berg 2545db3e1c40SToke Høiland-Jørgensen u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw, 2546db3e1c40SToke Høiland-Jørgensen struct ieee80211_vif *vif, 2547db3e1c40SToke Høiland-Jørgensen struct ieee80211_sta *pubsta, 25483ff901cbSFelix Fietkau int len, bool ampdu); 2549f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2550d9e8a70fSJohannes Berg #define debug_noinline noinline 2551d9e8a70fSJohannes Berg #else 2552d9e8a70fSJohannes Berg #define debug_noinline 2553d9e8a70fSJohannes Berg #endif 2554d9e8a70fSJohannes Berg 25553a11ce08SJohannes Berg void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache); 25563a11ce08SJohannes Berg void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache); 25573a11ce08SJohannes Berg 2558820acc81SIlan Peer u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata, u8 iftype); 2559820acc81SIlan Peer u8 *ieee80211_ie_build_eht_cap(u8 *pos, 2560820acc81SIlan Peer const struct ieee80211_sta_he_cap *he_cap, 2561820acc81SIlan Peer const struct ieee80211_sta_eht_cap *eht_cap, 2562820acc81SIlan Peer u8 *end); 2563a1de6407SIlan Peer 2564a1de6407SIlan Peer void 2565a1de6407SIlan Peer ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata, 2566a1de6407SIlan Peer struct ieee80211_supported_band *sband, 2567a1de6407SIlan Peer const u8 *he_cap_ie, u8 he_cap_len, 2568a1de6407SIlan Peer const struct ieee80211_eht_cap_elem *eht_cap_ie_elem, 25692b4ad309SJohannes Berg u8 eht_cap_len, struct sta_info *sta, 25702b4ad309SJohannes Berg unsigned int link_id); 2571f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2572