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 8c74025f4SJohannes Berg * Copyright (C) 2018-2021 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; 2608860020eSJohannes Berg struct rcu_head rcu_head; 2615dfdaf58SJohannes Berg }; 2625dfdaf58SJohannes Berg 263aa7a0080SEyal Shapira struct probe_resp { 264aa7a0080SEyal Shapira struct rcu_head rcu_head; 265aa7a0080SEyal Shapira int len; 2668552a434SJohn Crispin u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM]; 2673c23215bSGustavo A. R. Silva u8 data[]; 268aa7a0080SEyal Shapira }; 269aa7a0080SEyal Shapira 270295b02c4SAloka Dixit struct fils_discovery_data { 271295b02c4SAloka Dixit struct rcu_head rcu_head; 272295b02c4SAloka Dixit int len; 273295b02c4SAloka Dixit u8 data[]; 274295b02c4SAloka Dixit }; 275295b02c4SAloka Dixit 276632189a0SAloka Dixit struct unsol_bcast_probe_resp_data { 277632189a0SAloka Dixit struct rcu_head rcu_head; 278632189a0SAloka Dixit int len; 279632189a0SAloka Dixit u8 data[]; 280632189a0SAloka Dixit }; 281632189a0SAloka Dixit 282d012a605SMarco Porsch struct ps_data { 283d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 284d012a605SMarco Porsch * bitmap_empty :) 285d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2865fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2875fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 288d012a605SMarco Porsch struct sk_buff_head bc_buf; 289d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 290d012a605SMarco Porsch int dtim_count; 291d012a605SMarco Porsch bool dtim_bc_mc; 292d012a605SMarco Porsch }; 293d012a605SMarco Porsch 294f0706e82SJiri Benc struct ieee80211_if_ap { 29540b275b6SJohannes Berg struct beacon_data __rcu *beacon; 296aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 297295b02c4SAloka Dixit struct fils_discovery_data __rcu *fils_discovery; 298632189a0SAloka Dixit struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp; 299f0706e82SJiri Benc 30073da7d5bSSimon Wunderlich /* to be used after channel switch. */ 30173da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 3024e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 3030ec3ca44SJohannes Berg 304d012a605SMarco Porsch struct ps_data ps; 305030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 306687da132SEmmanuel Grumbach 307ebceec86SMichael Braun bool multicast_to_unicast; 308f0706e82SJiri Benc }; 309f0706e82SJiri Benc 310f0706e82SJiri Benc struct ieee80211_if_vlan { 3114e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 312f14543eeSFelix Fietkau 313f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 31440b275b6SJohannes Berg struct sta_info __rcu *sta; 31572f15d53SMichael Braun atomic_t num_mcast_sta; /* number of stations receiving multicast */ 316f0706e82SJiri Benc }; 317f0706e82SJiri Benc 318ee385855SLuis Carlos Cobo struct mesh_stats { 319c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 320c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 321c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 322ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 323ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 324cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 325ee385855SLuis Carlos Cobo }; 326ee385855SLuis Carlos Cobo 327ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 328ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 329ee385855SLuis Carlos Cobo struct mesh_preq_queue { 330ee385855SLuis Carlos Cobo struct list_head list; 331ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 332ee385855SLuis Carlos Cobo u8 flags; 333ee385855SLuis Carlos Cobo }; 334ee385855SLuis Carlos Cobo 3352eb278e0SJohannes Berg struct ieee80211_roc_work { 33677fdaa12SJohannes Berg struct list_head list; 337af6b6374SJohannes Berg 338af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 339af6b6374SJohannes Berg 340f679f65dSJohannes Berg struct ieee80211_channel *chan; 341af6b6374SJohannes Berg 3422eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 343b4b177a5SJohannes Berg bool on_channel; 344f679f65dSJohannes Berg 345aaa016ccSJohannes Berg unsigned long start_time; 346e4da8c37SJohannes Berg 3472eb278e0SJohannes Berg u32 duration, req_duration; 348f30221e4SJohannes Berg struct sk_buff *frame; 34950febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 350d339d5caSIlan Peer enum ieee80211_roc_type type; 35177fdaa12SJohannes Berg }; 35277fdaa12SJohannes Berg 35346900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 354ab1faeadSJohannes Berg enum ieee80211_sta_flags { 355b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 356b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 357a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 358b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 359ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 360375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 36117e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 36224398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 363d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 364f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 365f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 366095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 367cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 36841cbb0f5SLuca Coelho IEEE80211_STA_DISABLE_HE = BIT(16), 369ab1faeadSJohannes Berg }; 370ab1faeadSJohannes Berg 37166e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 37266e67e41SJohannes Berg struct cfg80211_bss *bss; 37366e67e41SJohannes Berg unsigned long timeout; 37466e67e41SJohannes Berg int tries; 37566e67e41SJohannes Berg u16 algorithm, expected_transaction; 37666e67e41SJohannes Berg 37766e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37866e67e41SJohannes Berg u8 key_len, key_idx; 379*94d9864cSJohannes Berg bool done, waiting; 380efb543e6SJouni Malinen bool peer_confirmed; 38189afe614SJohannes Berg bool timeout_started; 38266e67e41SJohannes Berg 3836b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3846b8ece3aSJouni Malinen size_t data_len; 3856b8ece3aSJouni Malinen u8 data[]; 38666e67e41SJohannes Berg }; 38766e67e41SJohannes Berg 38866e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38966e67e41SJohannes Berg struct cfg80211_bss *bss; 39066e67e41SJohannes Berg const u8 *supp_rates; 39166e67e41SJohannes Berg 39266e67e41SJohannes Berg unsigned long timeout; 39366e67e41SJohannes Berg int tries; 39466e67e41SJohannes Berg 39566e67e41SJohannes Berg u16 capability; 39666e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39766e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39866e67e41SJohannes Berg u8 ssid_len; 39966e67e41SJohannes Berg u8 supp_rates_len; 40076f0303dSJohannes Berg bool wmm, uapsd; 401989c6505SAlexander Bondar bool need_beacon; 40266e67e41SJohannes Berg bool synced; 40389afe614SJohannes Berg bool timeout_started; 40466e67e41SJohannes Berg 4059dde6423SJohannes Berg u8 ap_ht_param; 4069dde6423SJohannes Berg 407b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 408b08fbbd8SJohannes Berg 40939404feeSJouni Malinen u8 fils_nonces[2 * FILS_NONCE_LEN]; 41039404feeSJouni Malinen u8 fils_kek[FILS_MAX_KEK_LEN]; 41139404feeSJouni Malinen size_t fils_kek_len; 41239404feeSJouni Malinen 41366e67e41SJohannes Berg size_t ie_len; 41466e67e41SJohannes Berg u8 ie[]; 41566e67e41SJohannes Berg }; 41666e67e41SJohannes Berg 41702219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41802219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41902219b3aSJohannes Berg unsigned long time_slice_start; 42002219b3aSJohannes Berg 42102219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 42202219b3aSJohannes Berg u8 tsid; 42302219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 42402219b3aSJohannes Berg 42502219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42602219b3aSJohannes Berg u32 consumed_tx_time; 42702219b3aSJohannes Berg enum { 42802219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42902219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 43002219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 43102219b3aSJohannes Berg } action; 43202219b3aSJohannes Berg bool downgraded; 43302219b3aSJohannes Berg }; 43402219b3aSJohannes Berg 435eb1e011aSJohannes Berg DECLARE_EWMA(beacon_signal, 4, 4) 436338c17aeSJohannes Berg 43746900298SJohannes Berg struct ieee80211_if_managed { 438056cdd59SJohannes Berg struct timer_list timer; 439b291ba11SJohannes Berg struct timer_list conn_mon_timer; 440b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 441c481ec97SSujith struct timer_list chswitch_timer; 442b291ba11SJohannes Berg struct work_struct monitor_work; 443c481ec97SSujith struct work_struct chswitch_work; 4441e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 445882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44646900298SJohannes Berg 4477ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 448b291ba11SJohannes Berg unsigned long probe_timeout; 449a43abf29SMaxim Levitsky int probe_send_count; 45004ac3c0eSFelix Fietkau bool nullfunc_failed; 4513f8a39ffSJohannes Berg u8 connection_loss:1, 4523f8a39ffSJohannes Berg driver_disconnect:1, 4533f8a39ffSJohannes Berg reconnect:1; 454b291ba11SJohannes Berg 4550c1ad2caSJohannes Berg struct cfg80211_bss *associated; 45666e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 45766e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45846900298SJohannes Berg 459a3e2f4b6SMichael Braun u8 bssid[ETH_ALEN] __aligned(2); 46046900298SJohannes Berg 461965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 46205cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 463989c6505SAlexander Bondar bool have_beacon; 464826262c3SJohannes Berg u8 dtim_period; 4650f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 466d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 467d1f5b7a3SJohannes Berg 468d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 469965bedadSJohannes Berg 470d6f2da5bSJiri Slaby unsigned int flags; 471f0706e82SJiri Benc 4720c21e632SLuciano Coelho bool csa_waiting_bcn; 473f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4740c21e632SLuciano Coelho 475d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 476d91f36dbSJohannes Berg u32 beacon_crc; 477d91f36dbSJohannes Berg 4781672c0e3SJohannes Berg bool status_acked; 4791672c0e3SJohannes Berg bool status_received; 4801672c0e3SJohannes Berg __le16 status_fc; 4811672c0e3SJohannes Berg 482fdfacf0aSJouni Malinen enum { 483fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 484fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 485fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 486fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 487fdfacf0aSJouni Malinen 488dc41e4d4SEliad Peller /* 489dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 490dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 491dc41e4d4SEliad Peller * to take effect. 492dc41e4d4SEliad Peller */ 493dc41e4d4SEliad Peller unsigned int uapsd_queues; 494dc41e4d4SEliad Peller 495dc41e4d4SEliad Peller /* 496dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 497dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 498dc41e4d4SEliad Peller * Needs a new association to take effect. 499dc41e4d4SEliad Peller */ 500dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 501dc41e4d4SEliad Peller 502f0706e82SJiri Benc int wmm_last_param_set; 5032e249fc3SShaul Triebitz int mu_edca_last_param_set; 5049bc383deSJohannes Berg 5059bc383deSJohannes Berg u8 use_4addr; 50617e4ec14SJouni Malinen 50767baf663SJanusz Dziedzic s16 p2p_noa_index; 508488dd7b5SJohannes Berg 509338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 51017e4ec14SJouni Malinen 51117e4ec14SJouni Malinen /* 512391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 513391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 514391a200aSJouni Malinen * only on couple of received frames. 515391a200aSJouni Malinen */ 516391a200aSJouni Malinen unsigned int count_beacon_signal; 517391a200aSJouni Malinen 518976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 519976bd9efSJohannes Berg unsigned int beacon_loss_count; 520976bd9efSJohannes Berg 521391a200aSJouni Malinen /* 52217e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 52317e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 52417e4ec14SJouni Malinen * generated for the current association. 52517e4ec14SJouni Malinen */ 52617e4ec14SJouni Malinen int last_cqm_event_signal; 527615f7b9bSMeenakshi Venkataraman 528615f7b9bSMeenakshi Venkataraman /* 529615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 530615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 531615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 532615f7b9bSMeenakshi Venkataraman */ 533615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 534615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 535ef96a842SBen Greear 536ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 537ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 538dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 539dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 5407957c6c8SThomas Pedersen struct ieee80211_s1g_cap s1g_capa; /* configured S1G overrides */ 5417957c6c8SThomas Pedersen struct ieee80211_s1g_cap s1g_capa_mask; /* valid s1g_capa bits */ 54281dd2b88SArik Nemtsov 5431277b4a9SLiad Kaufman /* TDLS support */ 54481dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 54581dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5461277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5471277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5481277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5499041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 55082c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 55102219b3aSJohannes Berg 55202219b3aSJohannes Berg /* WMM-AC TSPEC support */ 55302219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 55402219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 55502219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 55602219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 55702219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 55802219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 55902219b3aSJohannes Berg */ 56002219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 5614d9ec73dSJouni Malinen 5624d9ec73dSJouni Malinen /* Information elements from the last transmitted (Re)Association 5634d9ec73dSJouni Malinen * Request frame. 5644d9ec73dSJouni Malinen */ 5654d9ec73dSJouni Malinen u8 *assoc_req_ies; 5664d9ec73dSJouni Malinen size_t assoc_req_ies_len; 567f0706e82SJiri Benc }; 568f0706e82SJiri Benc 56946900298SJohannes Berg struct ieee80211_if_ibss { 57046900298SJohannes Berg struct timer_list timer; 571cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 57246900298SJohannes Berg 573af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5745bb644a0SJohannes Berg 575fbd2c8dcSTeemu Paasikivi u32 basic_rates; 576fbd2c8dcSTeemu Paasikivi 577af8cdcd8SJohannes Berg bool fixed_bssid; 578af8cdcd8SJohannes Berg bool fixed_channel; 579fffd0934SJohannes Berg bool privacy; 58046900298SJohannes Berg 581267335d6SAntonio Quartulli bool control_port; 5828e8d347dSSimon Wunderlich bool userspace_handles_dfs; 583267335d6SAntonio Quartulli 5844d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 585af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 586af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 587af8cdcd8SJohannes Berg u8 *ie; 5883aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 58946900298SJohannes Berg 59046900298SJohannes Berg unsigned long ibss_join_req; 591af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 592c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 59346900298SJohannes Berg 594822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 595822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 596822854b0SSimon Wunderlich 5978bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5988bf11d8dSJohannes Berg struct list_head incomplete_stations; 5998bf11d8dSJohannes Berg 60046900298SJohannes Berg enum { 60146900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 60246900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 60346900298SJohannes Berg } state; 60446900298SJohannes Berg }; 60546900298SJohannes Berg 606dbf498fbSJavier Cardona /** 607239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 608239281f8SRostislav Lisovy * 609239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 610239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 611239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 612239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 613239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 614239281f8SRostislav Lisovy */ 615239281f8SRostislav Lisovy struct ieee80211_if_ocb { 616239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 617239281f8SRostislav Lisovy unsigned long wrkq_flags; 618239281f8SRostislav Lisovy 619239281f8SRostislav Lisovy spinlock_t incomplete_lock; 620239281f8SRostislav Lisovy struct list_head incomplete_stations; 621239281f8SRostislav Lisovy 622239281f8SRostislav Lisovy bool joined; 623239281f8SRostislav Lisovy }; 624239281f8SRostislav Lisovy 625239281f8SRostislav Lisovy /** 626dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 627dbf498fbSJavier Cardona * 628dbf498fbSJavier Cardona * these declarations define the interface, which enables 629dbf498fbSJavier Cardona * vendor-specific mesh synchronization 630dbf498fbSJavier Cardona * 631dbf498fbSJavier Cardona */ 632dbf498fbSJavier Cardona struct ieee802_11_elems; 633dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 634a5b983c6SJohannes Berg void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype, 635a5b983c6SJohannes Berg struct ieee80211_mgmt *mgmt, unsigned int len, 636a5b983c6SJohannes Berg const struct ieee80211_meshconf_ie *mesh_cfg, 637dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 63843552be1SThomas Pedersen 63943552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 640445cd452SMasashi Honma void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, 64143552be1SThomas Pedersen struct beacon_data *beacon); 642dbf498fbSJavier Cardona /* add other framework functions here */ 643dbf498fbSJavier Cardona }; 644dbf498fbSJavier Cardona 645b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 646b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 647b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 648b8456a14SChun-Yeow Yeoh }; 649b8456a14SChun-Yeow Yeoh 6508b5cb7e4SPavel Skripkin /** 6518b5cb7e4SPavel Skripkin * struct mesh_table 6528b5cb7e4SPavel Skripkin * 6538b5cb7e4SPavel Skripkin * @known_gates: list of known mesh gates and their mpaths by the station. The 6548b5cb7e4SPavel Skripkin * gate's mpath may or may not be resolved and active. 6558b5cb7e4SPavel Skripkin * @gates_lock: protects updates to known_gates 6568b5cb7e4SPavel Skripkin * @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr 6578b5cb7e4SPavel Skripkin * @walk_head: linked list containing all mesh_path objects 6588b5cb7e4SPavel Skripkin * @walk_lock: lock protecting walk_head 6598b5cb7e4SPavel Skripkin * @entries: number of entries in the table 6608b5cb7e4SPavel Skripkin */ 6618b5cb7e4SPavel Skripkin struct mesh_table { 6628b5cb7e4SPavel Skripkin struct hlist_head known_gates; 6638b5cb7e4SPavel Skripkin spinlock_t gates_lock; 6648b5cb7e4SPavel Skripkin struct rhashtable rhead; 6658b5cb7e4SPavel Skripkin struct hlist_head walk_head; 6668b5cb7e4SPavel Skripkin spinlock_t walk_lock; 6678b5cb7e4SPavel Skripkin atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */ 6688b5cb7e4SPavel Skripkin }; 6698b5cb7e4SPavel Skripkin 670472dbc45SJohannes Berg struct ieee80211_if_mesh { 671472dbc45SJohannes Berg struct timer_list housekeeping_timer; 672472dbc45SJohannes Berg struct timer_list mesh_path_timer; 673e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 674472dbc45SJohannes Berg 67518889231SJavier Cardona unsigned long wrkq_flags; 676f81a9dedSThomas Pedersen unsigned long mbss_changed; 677472dbc45SJohannes Berg 6780ab2e55dSBenjamin Berg bool userspace_handles_dfs; 6790ab2e55dSBenjamin Berg 680472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 681472dbc45SJohannes Berg size_t mesh_id_len; 682472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6833491707aSRui Paulo u8 mesh_pp_id; 684472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6853491707aSRui Paulo u8 mesh_pm_id; 686472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6873491707aSRui Paulo u8 mesh_cc_id; 6889e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6893491707aSRui Paulo u8 mesh_sp_id; 6909e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6913491707aSRui Paulo u8 mesh_auth_id; 692d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 693d19b3bf6SRui Paulo u32 sn; 694472dbc45SJohannes Berg /* Last used PREQ ID */ 695472dbc45SJohannes Berg u32 preq_id; 696472dbc45SJohannes Berg atomic_t mpaths; 697d19b3bf6SRui Paulo /* Timestamp of last SN update */ 698d19b3bf6SRui Paulo unsigned long last_sn_update; 699dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 700dca7e943SThomas Pedersen unsigned long next_perr; 701dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 702472dbc45SJohannes Berg unsigned long last_preq; 703472dbc45SJohannes Berg struct mesh_rmc *rmc; 704472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 705472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 706472dbc45SJohannes Berg int preq_queue_len; 707472dbc45SJohannes Berg struct mesh_stats mshstats; 708472dbc45SJohannes Berg struct mesh_config mshcfg; 7091258d976SAshok Nagarajan atomic_t estab_plinks; 710472dbc45SJohannes Berg u32 mesh_seqnum; 711472dbc45SJohannes Berg bool accepting_plinks; 7125ee68e5bSJavier Cardona int num_gates; 7132b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 714581a8b0fSJavier Cardona const u8 *ie; 715581a8b0fSJavier Cardona u8 ie_len; 716b130e5ceSJavier Cardona enum { 717b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 718b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 719b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 720b130e5ceSJavier Cardona } security; 721a6dad6a2SThomas Pedersen bool user_mpm; 722dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 7238ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 724dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 725dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 7263f52b7e3SMarco Porsch /* mesh power save */ 7273f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 7283f52b7e3SMarco Porsch int ps_peers_light_sleep; 7293f52b7e3SMarco Porsch int ps_peers_deep_sleep; 7303f52b7e3SMarco Porsch struct ps_data ps; 7318f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 732b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 7330cb4d4dcSLuciano Coelho enum { 7340cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 7350cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 7360cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 7370cb4d4dcSLuciano Coelho } csa_role; 738b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 7398f2535b9SChun-Yeow Yeoh u16 pre_value; 74043552be1SThomas Pedersen 74143552be1SThomas Pedersen /* offset from skb->data while building IE */ 74243552be1SThomas Pedersen int meshconf_offset; 7432bdaf386SBob Copeland 7448b5cb7e4SPavel Skripkin struct mesh_table mesh_paths; 7458b5cb7e4SPavel Skripkin struct mesh_table mpp_paths; /* Store paths for MPP&MAP */ 7462bdaf386SBob Copeland int mesh_paths_generation; 7472bdaf386SBob Copeland int mpp_paths_generation; 748472dbc45SJohannes Berg }; 749902acc78SJohannes Berg 750902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 751472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 752472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 753902acc78SJohannes Berg #else 754472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 755902acc78SJohannes Berg do { } while (0) 756902acc78SJohannes Berg #endif 757f0706e82SJiri Benc 758213cd118SJohannes Berg /** 759213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 760213cd118SJohannes Berg * 761213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 762213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 763213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 764213cd118SJohannes Berg * associated stations and deliver multicast frames both 765213cd118SJohannes Berg * back to wireless media and to the local net stack. 76695acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7677b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 768213cd118SJohannes Berg */ 769213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 770213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7717986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7727986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 77395acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7747b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 775213cd118SJohannes Berg }; 776213cd118SJohannes Berg 77734d4bc4dSJohannes Berg /** 77834d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 77934d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 78034d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 78134d4bc4dSJohannes Berg * change handling while the interface is up 7825b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7835b714c6aSJohannes Berg * mode, so queues are stopped 784d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 785d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 78634d4bc4dSJohannes Berg */ 78734d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 78834d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7895b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 790d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 79134d4bc4dSJohannes Berg }; 79234d4bc4dSJohannes Berg 793d01a1e65SMichal Kazior /** 794d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 795d01a1e65SMichal Kazior * 796d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 797d01a1e65SMichal Kazior * multiple interfaces 798d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 799d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 800d01a1e65SMichal Kazior * non-fixed channel IBSS. 801d01a1e65SMichal Kazior */ 802d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 803d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 804d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 805d01a1e65SMichal Kazior }; 806d01a1e65SMichal Kazior 8075bcae31dSMichal Kazior /** 8085bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 8095bcae31dSMichal Kazior * 8105bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 8115bcae31dSMichal Kazior * context switch/swap. 8125bcae31dSMichal Kazior * 8135bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 8145bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 8155bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 8165bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 8175bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 8185bcae31dSMichal Kazior */ 8195bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 8205bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 8215bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 8225bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 8235bcae31dSMichal Kazior }; 8245bcae31dSMichal Kazior 825d01a1e65SMichal Kazior struct ieee80211_chanctx { 826d01a1e65SMichal Kazior struct list_head list; 827d01a1e65SMichal Kazior struct rcu_head rcu_head; 828d01a1e65SMichal Kazior 829484298adSMichal Kazior struct list_head assigned_vifs; 830e3afb920SMichal Kazior struct list_head reserved_vifs; 831484298adSMichal Kazior 8325bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 8335bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 8345bcae31dSMichal Kazior 835d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 8368a61af65SJohannes Berg bool driver_present; 837d01a1e65SMichal Kazior 838d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 839d01a1e65SMichal Kazior }; 840d01a1e65SMichal Kazior 84132db6b54SKyeyoon Park struct mac80211_qos_map { 84232db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 84332db6b54SKyeyoon Park struct rcu_head rcu_head; 84432db6b54SKyeyoon Park }; 84532db6b54SKyeyoon Park 846ba8c3d6fSFelix Fietkau enum txq_info_flags { 847ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 848ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 8496e0456b5SFelix Fietkau IEEE80211_TXQ_NO_AMSDU, 85021a5d4c3SManikanta Pubbisetty IEEE80211_TXQ_STOP_NETIF_TX, 851ba8c3d6fSFelix Fietkau }; 852ba8c3d6fSFelix Fietkau 853fa962b92SMichal Kazior /** 854fa962b92SMichal Kazior * struct txq_info - per tid queue 855fa962b92SMichal Kazior * 856fa962b92SMichal Kazior * @tin: contains packets split into multiple flows 857fa962b92SMichal Kazior * @def_flow: used as a fallback flow when a packet destined to @tin hashes to 858fa962b92SMichal Kazior * a fq_flow which is already owned by a different tin 8595caa328eSMichal Kazior * @def_cvars: codel vars for @def_flow 86018667600SToke Høiland-Jørgensen * @schedule_order: used with ieee80211_local->active_txqs 8612433647bSToke Høiland-Jørgensen * @frags: used to keep fragments created after dequeue 862fa962b92SMichal Kazior */ 863ba8c3d6fSFelix Fietkau struct txq_info { 864fa962b92SMichal Kazior struct fq_tin tin; 8655caa328eSMichal Kazior struct codel_vars def_cvars; 8668d51dbb8SToke Høiland-Jørgensen struct codel_stats cstats; 8672433647bSToke Høiland-Jørgensen struct rb_node schedule_order; 868c74025f4SJohannes Berg 869c74025f4SJohannes Berg struct sk_buff_head frags; 870ba8c3d6fSFelix Fietkau unsigned long flags; 871ba8c3d6fSFelix Fietkau 872ba8c3d6fSFelix Fietkau /* keep last! */ 873ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 874ba8c3d6fSFelix Fietkau }; 875ba8c3d6fSFelix Fietkau 876d8212184SAviya Erenfeld struct ieee80211_if_mntr { 877d8212184SAviya Erenfeld u32 flags; 87842bd20d9SAviya Erenfeld u8 mu_follow_addr[ETH_ALEN] __aligned(2); 879f64331d5SJohannes Berg 880f64331d5SJohannes Berg struct list_head list; 881d8212184SAviya Erenfeld }; 882d8212184SAviya Erenfeld 8835953ff6dSAyala Beker /** 8845953ff6dSAyala Beker * struct ieee80211_if_nan - NAN state 8855953ff6dSAyala Beker * 8865953ff6dSAyala Beker * @conf: current NAN configuration 887167e33f4SAyala Beker * @func_ids: a bitmap of available instance_id's 8885953ff6dSAyala Beker */ 8895953ff6dSAyala Beker struct ieee80211_if_nan { 8905953ff6dSAyala Beker struct cfg80211_nan_conf conf; 891167e33f4SAyala Beker 892167e33f4SAyala Beker /* protects function_inst_ids */ 893167e33f4SAyala Beker spinlock_t func_lock; 894167e33f4SAyala Beker struct idr function_inst_ids; 8955953ff6dSAyala Beker }; 8965953ff6dSAyala Beker 897f0706e82SJiri Benc struct ieee80211_sub_if_data { 898f0706e82SJiri Benc struct list_head list; 899f0706e82SJiri Benc 900f0706e82SJiri Benc struct wireless_dev wdev; 901f0706e82SJiri Benc 90211a843b7SJohannes Berg /* keys */ 90311a843b7SJohannes Berg struct list_head key_list; 90411a843b7SJohannes Berg 9053bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 9063bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 9078d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 9088d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 9093bff1865SYogesh Ashok Powar 910f0706e82SJiri Benc struct net_device *dev; 911f0706e82SJiri Benc struct ieee80211_local *local; 912f0706e82SJiri Benc 91313262ffdSJiri Slaby unsigned int flags; 9147e9ed188SDaniel Drake 91534d4bc4dSJohannes Berg unsigned long state; 91634d4bc4dSJohannes Berg 91747846c9bSJohannes Berg char name[IFNAMSIZ]; 91847846c9bSJohannes Berg 9193a11ce08SJohannes Berg struct ieee80211_fragment_cache frags; 920f0706e82SJiri Benc 921b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 922b53be792SSimon Wunderlich u16 noack_map; 923b53be792SSimon Wunderlich 92400e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 92500e96decSYoni Divinsky u8 wmm_acm; 92600e96decSYoni Divinsky 927e5473e80SJouni Malinen struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + 928e5473e80SJouni Malinen NUM_DEFAULT_MGMT_KEYS + 929e5473e80SJouni Malinen NUM_DEFAULT_BEACON_KEYS]; 93040b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 93140b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 93240b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 933e5473e80SJouni Malinen struct ieee80211_key __rcu *default_beacon_key; 934f0706e82SJiri Benc 93594778280SJohannes Berg u16 sequence_number; 936a621fa4dSJohannes Berg __be16 control_port_protocol; 937a621fa4dSJohannes Berg bool control_port_no_encrypt; 9387f3f96ceSMarkus Theil bool control_port_no_preauth; 939018f6fbfSDenis Kenzior bool control_port_over_nl80211; 9402475b1ccSMax Stepanov int encrypt_headroom; 94194778280SJohannes Berg 94280a83cfcSMichal Kazior atomic_t num_tx_queued; 94354bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 94432db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 945f6f3def3SEliad Peller 9462433647bSToke Høiland-Jørgensen struct airtime_info airtime[IEEE80211_NUM_ACS]; 9472433647bSToke Høiland-Jørgensen 94873da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 94959af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 95033787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 95173da7d5bSSimon Wunderlich 9525f9404abSJohn Crispin struct work_struct color_change_finalize_work; 9535f9404abSJohn Crispin 954484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 955e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 956484298adSMichal Kazior 95711335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 95811335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 95911335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 96009332481SMichal Kazior bool reserved_radar_required; 9615bcae31dSMichal Kazior bool reserved_ready; 96211335a55SLuciano Coelho 96304ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 96404ecd257SJohannes Berg struct work_struct recalc_smps; 96504ecd257SJohannes Berg 96664592c8fSJohannes Berg struct work_struct work; 96735f20c14SJohannes Berg struct sk_buff_head skb_queue; 968f5a4c24eSLorenzo Bianconi struct sk_buff_head status_queue; 96935f20c14SJohannes Berg 97004ecd257SJohannes Berg u8 needed_rx_chains; 97104ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 97204ecd257SJohannes Berg 9731ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 9741ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 9751ea6f9c0SJohannes Berg 976164eb02dSSimon Wunderlich bool radar_required; 977164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 978164eb02dSSimon Wunderlich 9793e122be0SJohannes Berg /* 9803e122be0SJohannes Berg * AP this belongs to: self in AP mode and 9813e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 9823e122be0SJohannes Berg * all others (might be needed later in IBSS) 9833e122be0SJohannes Berg */ 9843e122be0SJohannes Berg struct ieee80211_if_ap *bss; 9853e122be0SJohannes Berg 98637eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 98757fbcce3SJohannes Berg u32 rc_rateidx_mask[NUM_NL80211_BANDS]; 9882ffbe6d3SFelix Fietkau 98957fbcce3SJohannes Berg bool rc_has_mcs_mask[NUM_NL80211_BANDS]; 99057fbcce3SJohannes Berg u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 991f0706e82SJiri Benc 99257fbcce3SJohannes Berg bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; 99357fbcce3SJohannes Berg u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; 994b119ad6eSLorenzo Bianconi 99508fad438SJouni Malinen /* Beacon frame (non-MCS) rate (as a bitmap) */ 99608fad438SJouni Malinen u32 beacon_rateidx_mask[NUM_NL80211_BANDS]; 99708fad438SJouni Malinen bool beacon_rate_set; 99808fad438SJouni Malinen 999f0706e82SJiri Benc union { 1000f0706e82SJiri Benc struct ieee80211_if_ap ap; 1001f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 100246900298SJohannes Berg struct ieee80211_if_managed mgd; 100346900298SJohannes Berg struct ieee80211_if_ibss ibss; 1004472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 1005239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 1006d8212184SAviya Erenfeld struct ieee80211_if_mntr mntr; 10075953ff6dSAyala Beker struct ieee80211_if_nan nan; 1008f0706e82SJiri Benc } u; 1009e9f207f0SJiri Benc 1010e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1011e9f207f0SJiri Benc struct { 1012295bafb4SBen Greear struct dentry *subdir_stations; 1013f7e0104cSJohannes Berg struct dentry *default_unicast_key; 1014f7e0104cSJohannes Berg struct dentry *default_multicast_key; 10153cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 1016e5473e80SJouni Malinen struct dentry *default_beacon_key; 10177bcfaf2fSJohannes Berg } debugfs; 1018e9f207f0SJiri Benc #endif 1019529ba6e9SJohannes Berg 102032bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 102132bfd35dSJohannes Berg struct ieee80211_vif vif; 1022f0706e82SJiri Benc }; 1023f0706e82SJiri Benc 102432bfd35dSJohannes Berg static inline 102532bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 102632bfd35dSJohannes Berg { 102732bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 102832bfd35dSJohannes Berg } 102932bfd35dSJohannes Berg 10308d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 10318d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 10328d61ffa5SJohannes Berg { 10338d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 10348d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 10358d61ffa5SJohannes Berg } 10368d61ffa5SJohannes Berg 10378d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 10388d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 10398d61ffa5SJohannes Berg { 10408d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 10418d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 10428d61ffa5SJohannes Berg } 10438d61ffa5SJohannes Berg 10447ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 10457ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 10467ca133bcSSimon Wunderlich 10478d61ffa5SJohannes Berg static inline void 10488d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 10498d61ffa5SJohannes Berg { 10508d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 10518d61ffa5SJohannes Berg } 10528d61ffa5SJohannes Berg 1053438b61b7SSimon Wunderlich static inline int 1054438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 1055438b61b7SSimon Wunderlich { 1056438b61b7SSimon Wunderlich switch (chandef->width) { 1057438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 1058438b61b7SSimon Wunderlich return 2; 1059438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 1060438b61b7SSimon Wunderlich return 1; 1061438b61b7SSimon Wunderlich default: 1062438b61b7SSimon Wunderlich return 0; 1063438b61b7SSimon Wunderlich } 1064438b61b7SSimon Wunderlich } 1065438b61b7SSimon Wunderlich 1066438b61b7SSimon Wunderlich static inline int 1067438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 1068438b61b7SSimon Wunderlich { 1069438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 1070438b61b7SSimon Wunderlich int shift = 0; 1071438b61b7SSimon Wunderlich 1072438b61b7SSimon Wunderlich rcu_read_lock(); 1073438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 1074438b61b7SSimon Wunderlich if (chanctx_conf) 1075438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 1076438b61b7SSimon Wunderlich rcu_read_unlock(); 1077438b61b7SSimon Wunderlich 1078438b61b7SSimon Wunderlich return shift; 1079438b61b7SSimon Wunderlich } 1080438b61b7SSimon Wunderlich 1081f0706e82SJiri Benc enum { 1082f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1083f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1084f0706e82SJiri Benc }; 1085f0706e82SJiri Benc 1086ce7c9111SKalle Valo enum queue_stop_reason { 1087ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1088520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 108996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 109096f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 109125420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10928f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10936c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1094445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1095db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1096b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1097054c9939SJohannes Berg IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE, 1098cca07b00SLuciano Coelho 1099cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1100ce7c9111SKalle Valo }; 1101ce7c9111SKalle Valo 110265a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1103e1e54068SJohannes Berg struct tpt_led_trigger { 1104e1e54068SJohannes Berg char name[32]; 1105e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1106e1e54068SJohannes Berg unsigned int blink_table_len; 1107e1e54068SJohannes Berg struct timer_list timer; 110834f11cd3SKees Cook struct ieee80211_local *local; 1109e1e54068SJohannes Berg unsigned long prev_traffic; 1110e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 111167408c8cSJohannes Berg unsigned int active, want; 111267408c8cSJohannes Berg bool running; 1113e1e54068SJohannes Berg }; 111465a6538aSLuciano Coelho #endif 1115e1e54068SJohannes Berg 1116142b9f50SHelmut Schaa /** 1117142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1118142b9f50SHelmut Schaa * 1119142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1120142b9f50SHelmut Schaa * well be on the operating channel 1121142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1122142b9f50SHelmut Schaa * determine if we are on the operating channel or not 11238a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 11248a690674SBen Greear * channel. This should not interrupt normal traffic. 11258789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 11268789d459SJohannes Berg * that the scan completed. 11278789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 11288789d459SJohannes Berg * a scan complete for an aborted scan. 1129a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1130a754055aSEmmanuel Grumbach * cancelled. 1131142b9f50SHelmut Schaa */ 1132fbe9c429SHelmut Schaa enum { 1133fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1134142b9f50SHelmut Schaa SCAN_HW_SCANNING, 11358a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 11368789d459SJohannes Berg SCAN_COMPLETED, 11378789d459SJohannes Berg SCAN_ABORTED, 1138a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1139142b9f50SHelmut Schaa }; 1140142b9f50SHelmut Schaa 1141142b9f50SHelmut Schaa /** 1142142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1143142b9f50SHelmut Schaa * 1144142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1145142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1146142b9f50SHelmut Schaa * operating channel 1147142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1148142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 114907ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 115007ef03eeSJohannes Berg * send out data 115107ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1152cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1153142b9f50SHelmut Schaa */ 1154142b9f50SHelmut Schaa enum mac80211_scan_state { 1155142b9f50SHelmut Schaa SCAN_DECISION, 1156142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1157142b9f50SHelmut Schaa SCAN_SEND_PROBE, 115807ef03eeSJohannes Berg SCAN_SUSPEND, 115907ef03eeSJohannes Berg SCAN_RESUME, 1160cd2bb512SSam Leffler SCAN_ABORT, 1161fbe9c429SHelmut Schaa }; 1162fbe9c429SHelmut Schaa 11632433647bSToke Høiland-Jørgensen /** 11642433647bSToke Høiland-Jørgensen * struct airtime_sched_info - state used for airtime scheduling and AQL 11652433647bSToke Høiland-Jørgensen * 11662433647bSToke Høiland-Jørgensen * @lock: spinlock that protects all the fields in this struct 11672433647bSToke Høiland-Jørgensen * @active_txqs: rbtree of currently backlogged queues, sorted by virtual time 11682433647bSToke Høiland-Jørgensen * @schedule_pos: the current position maintained while a driver walks the tree 11692433647bSToke Høiland-Jørgensen * with ieee80211_next_txq() 11702433647bSToke Høiland-Jørgensen * @active_list: list of struct airtime_info structs that were active within 11712433647bSToke Høiland-Jørgensen * the last AIRTIME_ACTIVE_DURATION (100 ms), used to compute 11722433647bSToke Høiland-Jørgensen * weight_sum 11732433647bSToke Høiland-Jørgensen * @last_weight_update: used for rate limiting walking active_list 11742433647bSToke Høiland-Jørgensen * @last_schedule_time: tracks the last time a transmission was scheduled; used 11752433647bSToke Høiland-Jørgensen * for catching up v_t if no stations are eligible for 11762433647bSToke Høiland-Jørgensen * transmission. 11772433647bSToke Høiland-Jørgensen * @v_t: global virtual time; queues with v_t < this are eligible for 11782433647bSToke Høiland-Jørgensen * transmission 11792433647bSToke Høiland-Jørgensen * @weight_sum: total sum of all active stations used for dividing airtime 11802433647bSToke Høiland-Jørgensen * @weight_sum_reciprocal: reciprocal of weight_sum (to avoid divisions in fast 11812433647bSToke Høiland-Jørgensen * path - see comment above 11822433647bSToke Høiland-Jørgensen * IEEE80211_RECIPROCAL_DIVISOR_64) 11832433647bSToke Høiland-Jørgensen * @aql_txq_limit_low: AQL limit when total outstanding airtime 11842433647bSToke Høiland-Jørgensen * is < IEEE80211_AQL_THRESHOLD 11852433647bSToke Høiland-Jørgensen * @aql_txq_limit_high: AQL limit when total outstanding airtime 11862433647bSToke Høiland-Jørgensen * is > IEEE80211_AQL_THRESHOLD 11872433647bSToke Høiland-Jørgensen */ 11882433647bSToke Høiland-Jørgensen struct airtime_sched_info { 11892433647bSToke Høiland-Jørgensen spinlock_t lock; 11902433647bSToke Høiland-Jørgensen struct rb_root_cached active_txqs; 11912433647bSToke Høiland-Jørgensen struct rb_node *schedule_pos; 11922433647bSToke Høiland-Jørgensen struct list_head active_list; 11932433647bSToke Høiland-Jørgensen u64 last_weight_update; 11942433647bSToke Høiland-Jørgensen u64 last_schedule_activity; 11952433647bSToke Høiland-Jørgensen u64 v_t; 11962433647bSToke Høiland-Jørgensen u64 weight_sum; 11972433647bSToke Høiland-Jørgensen u64 weight_sum_reciprocal; 11982433647bSToke Høiland-Jørgensen u32 aql_txq_limit_low; 11992433647bSToke Høiland-Jørgensen u32 aql_txq_limit_high; 12002433647bSToke Høiland-Jørgensen }; 1201e908435eSLorenzo Bianconi DECLARE_STATIC_KEY_FALSE(aql_disable); 1202e908435eSLorenzo Bianconi 1203f0706e82SJiri Benc struct ieee80211_local { 1204f0706e82SJiri Benc /* embed the driver visible part. 1205f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1206f0706e82SJiri Benc * it first anyway so they become a no-op */ 1207f0706e82SJiri Benc struct ieee80211_hw hw; 1208f0706e82SJiri Benc 1209fa962b92SMichal Kazior struct fq fq; 12105caa328eSMichal Kazior struct codel_vars *cvars; 12115caa328eSMichal Kazior struct codel_params cparams; 1212fa962b92SMichal Kazior 121318667600SToke Høiland-Jørgensen /* protects active_txqs and txqi->schedule_order */ 12142433647bSToke Høiland-Jørgensen struct airtime_sched_info airtime[IEEE80211_NUM_ACS]; 1215b4809e94SToke Høiland-Jørgensen u16 airtime_flags; 12163ace10f5SKan Yan u32 aql_threshold; 12173ace10f5SKan Yan atomic_t aql_total_pending_airtime; 1218b4809e94SToke Høiland-Jørgensen 1219f0706e82SJiri Benc const struct ieee80211_ops *ops; 1220f0706e82SJiri Benc 122142935ecaSLuis R. Rodriguez /* 122242935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 122342935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 122442935ecaSLuis R. Rodriguez */ 122542935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 122642935ecaSLuis R. Rodriguez 1227e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1228cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 122996f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1230ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 123196f5e66eSJohannes Berg 1232f0706e82SJiri Benc int open_count; 12333d30d949SMichael Wu int monitors, cooked_mntrs; 12348cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 12357be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 12367be5086dSJohannes Berg fif_probe_req; 12376cd536feSJohannes Berg bool probe_req_reg; 1238873b1cf6SJouni Malinen bool rx_mcast_action_reg; 12394150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 12403b8d81e0SJohannes Berg 12413ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 12423ffc2a90SJohannes Berg 1243fe57d9f5SJohannes Berg bool use_chanctx; 1244fe57d9f5SJohannes Berg 12453b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 12463b8d81e0SJohannes Berg spinlock_t filter_lock; 12473b8d81e0SJohannes Berg 12483ac64beeSJohannes Berg /* used for uploading changed mc list */ 12493ac64beeSJohannes Berg struct work_struct reconfig_filter; 12503ac64beeSJohannes Berg 12513b8d81e0SJohannes Berg /* aggregated multicast list */ 125222bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 12533b8d81e0SJohannes Berg 1254d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 12555bb644a0SJohannes Berg 12565bb644a0SJohannes Berg /* 12575bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 12585bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 12595bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 12605bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 12615bb644a0SJohannes Berg */ 12625bb644a0SJohannes Berg bool suspended; 12635bb644a0SJohannes Berg 1264b33fb28cSLoic Poulain /* suspending is true during the whole suspend process */ 1265b33fb28cSLoic Poulain bool suspending; 1266b33fb28cSLoic Poulain 12675bb644a0SJohannes Berg /* 1268ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1269ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1270ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1271ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1272ceb99fe0SJohannes Berg */ 1273ceb99fe0SJohannes Berg bool resuming; 1274ceb99fe0SJohannes Berg 1275ceb99fe0SJohannes Berg /* 12765bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 12775bb644a0SJohannes Berg * ease timer cancelling etc. 12785bb644a0SJohannes Berg */ 12795bb644a0SJohannes Berg bool quiescing; 12805bb644a0SJohannes Berg 1281ea77f12fSJohannes Berg /* device is started */ 1282ea77f12fSJohannes Berg bool started; 1283ea77f12fSJohannes Berg 128404800adaSArik Nemtsov /* device is during a HW reconfig */ 128504800adaSArik Nemtsov bool in_reconfig; 128604800adaSArik Nemtsov 1287eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1288eecc4800SJohannes Berg bool wowlan; 1289eecc4800SJohannes Berg 1290164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1291164eb02dSSimon Wunderlich 129204ecd257SJohannes Berg /* number of RX chains the hardware has */ 129304ecd257SJohannes Berg u8 rx_chains; 129404ecd257SJohannes Berg 129509b4a4faSJohannes Berg /* bitmap of which sbands were copied */ 129609b4a4faSJohannes Berg u8 sband_allocated; 129709b4a4faSJohannes Berg 1298b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1299f0706e82SJiri Benc 1300f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1301f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1302f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1303f0706e82SJiri Benc * queues increases over the limit. */ 1304f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1305f0706e82SJiri Benc struct tasklet_struct tasklet; 1306f0706e82SJiri Benc struct sk_buff_head skb_queue; 1307f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1308f0706e82SJiri Benc 1309f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 131024a8fdadSChristian Lamparter 1311d0709a65SJohannes Berg /* Station data */ 1312d0709a65SJohannes Berg /* 13134d33960bSJohannes Berg * The mutex only protects the list, hash table and 13144d33960bSJohannes Berg * counter, reads are done with RCU. 1315d0709a65SJohannes Berg */ 131634e89507SJohannes Berg struct mutex sta_mtx; 13174d33960bSJohannes Berg spinlock_t tim_lock; 1318d0709a65SJohannes Berg unsigned long num_sta; 13194d33960bSJohannes Berg struct list_head sta_list; 132083e7e4ceSHerbert Xu struct rhltable sta_hash; 1321f0706e82SJiri Benc struct timer_list sta_cleanup; 1322f5ea9120SJohannes Berg int sta_generation; 1323f0706e82SJiri Benc 13242a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1325f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 132621a5d4c3SManikanta Pubbisetty struct tasklet_struct wake_txqs_tasklet; 1327f0706e82SJiri Benc 1328a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1329cd8ffc80SJohannes Berg 1330df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1331df140465SJohannes Berg atomic_t iff_allmultis; 1332f0706e82SJiri Benc 1333f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1334f0706e82SJiri Benc 13355fdb3735SArd Biesheuvel struct arc4_ctx wep_tx_ctx; 13365fdb3735SArd Biesheuvel struct arc4_ctx wep_rx_ctx; 1337f0706e82SJiri Benc u32 wep_iv; 1338f0706e82SJiri Benc 1339c771c9d8SJohannes Berg /* see iface.c */ 134079010420SJohannes Berg struct list_head interfaces; 1341f64331d5SJohannes Berg struct list_head mon_list; /* only that are IFF_UP && !cooked */ 1342c771c9d8SJohannes Berg struct mutex iflist_mtx; 134379010420SJohannes Berg 1344b16bd15cSJohannes Berg /* 1345ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 134696fc6efbSAlexander Wetzel * key pointers and ptk_idx (write access, they're RCU.) 1347b16bd15cSJohannes Berg */ 1348ad0e2b5aSJohannes Berg struct mutex key_mtx; 1349b16bd15cSJohannes Berg 1350a1699b75SJohannes Berg /* mutex for scan and work locking */ 1351a1699b75SJohannes Berg struct mutex mtx; 1352b16bd15cSJohannes Berg 1353c2b13452SJohannes Berg /* Scanning and BSS list */ 1354fbe9c429SHelmut Schaa unsigned long scanning; 13552a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 13565ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 13576ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1358c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 13597ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 136057fbcce3SJohannes Berg enum nl80211_band hw_scan_band; 1361f0706e82SJiri Benc int scan_channel_idx; 1362de95a54bSJohannes Berg int scan_ies_len; 1363c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 13647947d3e0SAvraham Stern struct cfg80211_scan_info scan_info; 13658318d78aSJohannes Berg 136685a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 13675260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 13686ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1369a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 137079f460caSLuciano Coelho 1371df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1372977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1373f0706e82SJiri Benc struct delayed_work scan_work; 1374e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 137555de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1376675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1377f0706e82SJiri Benc 1378b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1379b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1380b8bc4b0aSJohannes Berg 1381d01a1e65SMichal Kazior /* channel contexts */ 1382d01a1e65SMichal Kazior struct list_head chanctx_list; 1383d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1384d01a1e65SMichal Kazior 1385c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 13868d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 13878d5c2585SJohannes Berg struct led_trigger tpt_led; 13888d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 13898d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1390c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1391c206ca67SJohannes Berg #endif 1392c206ca67SJohannes Berg 1393c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1394f0706e82SJiri Benc /* SNMP counters */ 1395f0706e82SJiri Benc /* dot11CountersTable */ 1396f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1397f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1398f0706e82SJiri Benc u32 dot11FailedCount; 1399f0706e82SJiri Benc u32 dot11RetryCount; 1400f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1401f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1402f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1403f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1404f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1405f0706e82SJiri Benc 1406f0706e82SJiri Benc /* TX/RX handler statistics */ 1407f0706e82SJiri Benc unsigned int tx_handlers_drop; 1408f0706e82SJiri Benc unsigned int tx_handlers_queued; 1409f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1410f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1411f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1412f0706e82SJiri Benc unsigned int rx_handlers_drop; 1413f0706e82SJiri Benc unsigned int rx_handlers_queued; 1414f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1415f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1416f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1417f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1418f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1419f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1420f0706e82SJiri Benc unsigned int tx_status_drop; 1421f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1422f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1423f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1424f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1425f0706e82SJiri Benc 1426f0706e82SJiri Benc 1427f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1428f0706e82SJiri Benc * multicast packets for power saving stations 1429f0706e82SJiri Benc */ 1430520eb820SKalle Valo 1431572e0012SKalle Valo bool pspolling; 1432965bedadSJohannes Berg /* 1433965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1434965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1435965bedadSJohannes Berg */ 1436965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1437520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1438520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1439520eb820SKalle Valo struct timer_list dynamic_ps_timer; 14402b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1441a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1442f0706e82SJiri Benc 1443ff616381SJuuso Oikarinen /* 1444ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1445ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1446ff616381SJuuso Oikarinen */ 1447ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1448ff616381SJuuso Oikarinen 14491ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 14502bf30fabSJohannes Berg 14510f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 14520f78231bSJohannes Berg 1453f2753ddbSJohannes Berg struct work_struct restart_work; 1454f2753ddbSJohannes Berg 1455e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1456e9f207f0SJiri Benc struct local_debugfsdentries { 14574b7679a5SJohannes Berg struct dentry *rcdir; 1458e9f207f0SJiri Benc struct dentry *keys; 1459e9f207f0SJiri Benc } debugfs; 1460276d9e82SJulius Niedworok bool force_tx_status; 1461e9f207f0SJiri Benc #endif 14624e6cbfd0SJohn W. Linville 14632eb278e0SJohannes Berg /* 14642eb278e0SJohannes Berg * Remain-on-channel support 14652eb278e0SJohannes Berg */ 1466aaa016ccSJohannes Berg struct delayed_work roc_work; 14672eb278e0SJohannes Berg struct list_head roc_list; 146821f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 14692eb278e0SJohannes Berg unsigned long hw_roc_start_time; 147050febf6aSJohannes Berg u64 roc_cookie_counter; 147121f83589SJohannes Berg 1472a729cff8SJohannes Berg struct idr ack_status_frames; 1473a729cff8SJohannes Berg spinlock_t ack_status_lock; 1474a729cff8SJohannes Berg 1475f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1476f142c6b9SJohannes Berg 14774b6f1dd6SJohannes Berg /* virtual monitor interface */ 14784b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 14794bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1480e9a21949SLuciano Coelho 1481e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1482e9a21949SLuciano Coelho u8 ext_capa[8]; 1483f0706e82SJiri Benc }; 1484f0706e82SJiri Benc 14853e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 1486d787a3e3SFelix Fietkau IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev) 14873e122be0SJohannes Berg { 14883e122be0SJohannes Berg return netdev_priv(dev); 14893e122be0SJohannes Berg } 14903e122be0SJohannes Berg 149171bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 149271bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 149371bbc994SJohannes Berg { 149471bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 149571bbc994SJohannes Berg } 149671bbc994SJohannes Berg 149721a8e9ddSMohammed Shafi Shajakhan static inline struct ieee80211_supported_band * 149821a8e9ddSMohammed Shafi Shajakhan ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) 149921a8e9ddSMohammed Shafi Shajakhan { 150021a8e9ddSMohammed Shafi Shajakhan struct ieee80211_local *local = sdata->local; 150121a8e9ddSMohammed Shafi Shajakhan struct ieee80211_chanctx_conf *chanctx_conf; 150221a8e9ddSMohammed Shafi Shajakhan enum nl80211_band band; 150321a8e9ddSMohammed Shafi Shajakhan 150421a8e9ddSMohammed Shafi Shajakhan rcu_read_lock(); 150521a8e9ddSMohammed Shafi Shajakhan chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 150621a8e9ddSMohammed Shafi Shajakhan 15070ee4d555SJohannes Berg if (!chanctx_conf) { 150821a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 150921a8e9ddSMohammed Shafi Shajakhan return NULL; 151021a8e9ddSMohammed Shafi Shajakhan } 151121a8e9ddSMohammed Shafi Shajakhan 151221a8e9ddSMohammed Shafi Shajakhan band = chanctx_conf->def.chan->band; 151321a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 151421a8e9ddSMohammed Shafi Shajakhan 151521a8e9ddSMohammed Shafi Shajakhan return local->hw.wiphy->bands[band]; 151621a8e9ddSMohammed Shafi Shajakhan } 151721a8e9ddSMohammed Shafi Shajakhan 1518c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1519c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1520c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1521c0f17eb9SChun-Yeow Yeoh u8 mode; 1522c0f17eb9SChun-Yeow Yeoh u8 count; 1523c0f17eb9SChun-Yeow Yeoh u8 ttl; 15243f718fd8SChun-Yeow Yeoh u16 pre_value; 15255d55371bSBenjamin Berg u16 reason_code; 1526ee145775SSara Sharon u32 max_switch_time; 1527c0f17eb9SChun-Yeow Yeoh }; 1528c0f17eb9SChun-Yeow Yeoh 1529dd76986bSJohannes Berg /* Parsed Information Elements */ 1530dd76986bSJohannes Berg struct ieee802_11_elems { 15314a3cb702SJohannes Berg const u8 *ie_start; 1532dd76986bSJohannes Berg size_t total_len; 1533c6e37ed4SJohannes Berg u32 crc; 1534dd76986bSJohannes Berg 1535dd76986bSJohannes Berg /* pointers to IEs */ 153653837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 153753837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 15389041c1faSArik Nemtsov const u8 *ext_capab; 15394a3cb702SJohannes Berg const u8 *ssid; 15404a3cb702SJohannes Berg const u8 *supp_rates; 15414a3cb702SJohannes Berg const u8 *ds_params; 15424a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 15434a3cb702SJohannes Berg const u8 *rsn; 1544c0058df7SShaul Triebitz const u8 *rsnx; 15454a3cb702SJohannes Berg const u8 *erp_info; 15464a3cb702SJohannes Berg const u8 *ext_supp_rates; 15474a3cb702SJohannes Berg const u8 *wmm_info; 15484a3cb702SJohannes Berg const u8 *wmm_param; 15494a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 15504a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 15514a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 15524a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 15534a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 155441cbb0f5SLuca Coelho const u8 *he_cap; 155541cbb0f5SLuca Coelho const struct ieee80211_he_operation *he_operation; 1556ef11a931SJohn Crispin const struct ieee80211_he_spr *he_spr; 155741cbb0f5SLuca Coelho const struct ieee80211_mu_edca_param_set *mu_edca_param_set; 1558a6cf28e0SRajkumar Manoharan const struct ieee80211_he_6ghz_capa *he_6ghz_capa; 1559b0345850SWen Gong const struct ieee80211_tx_pwr_env *tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT]; 156041cbb0f5SLuca Coelho const u8 *uora_element; 15614a3cb702SJohannes Berg const u8 *mesh_id; 15624a3cb702SJohannes Berg const u8 *peering; 15634a3cb702SJohannes Berg const __le16 *awake_window; 15644a3cb702SJohannes Berg const u8 *preq; 15654a3cb702SJohannes Berg const u8 *prep; 15664a3cb702SJohannes Berg const u8 *perr; 15674a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 15684a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1569b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1570b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 1571ee145775SSara Sharon const u8 *max_channel_switch_time; 15724a3cb702SJohannes Berg const u8 *country_elem; 15734a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1574c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 157579ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 15764a3cb702SJohannes Berg const u8 *opmode_notif; 157785220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 1578c4de37eeSPeter Oh struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1579e38a017bSAvraham Stern const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; 158078ac51f8SSara Sharon const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; 158178ac51f8SSara Sharon const struct ieee80211_bssid_index *bssid_index; 158278ac51f8SSara Sharon u8 max_bssid_indicator; 158378ac51f8SSara Sharon u8 dtim_count; 158478ac51f8SSara Sharon u8 dtim_period; 15852aa485e1SJohn Crispin const struct ieee80211_addba_ext_ie *addba_ext_ie; 1586cd418ba6SThomas Pedersen const struct ieee80211_s1g_cap *s1g_capab; 1587cd418ba6SThomas Pedersen const struct ieee80211_s1g_oper_ie *s1g_oper; 1588cd418ba6SThomas Pedersen const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat; 15891d00ce80SThomas Pedersen const struct ieee80211_aid_response_ie *aid_resp; 1590dd76986bSJohannes Berg 1591dd76986bSJohannes Berg /* length of them, respectively */ 15929041c1faSArik Nemtsov u8 ext_capab_len; 1593dd76986bSJohannes Berg u8 ssid_len; 1594dd76986bSJohannes Berg u8 supp_rates_len; 1595dd76986bSJohannes Berg u8 tim_len; 1596dd76986bSJohannes Berg u8 rsn_len; 1597c0058df7SShaul Triebitz u8 rsnx_len; 1598dd76986bSJohannes Berg u8 ext_supp_rates_len; 1599dd76986bSJohannes Berg u8 wmm_info_len; 1600dd76986bSJohannes Berg u8 wmm_param_len; 160141cbb0f5SLuca Coelho u8 he_cap_len; 1602dd76986bSJohannes Berg u8 mesh_id_len; 1603dd76986bSJohannes Berg u8 peering_len; 1604dd76986bSJohannes Berg u8 preq_len; 1605dd76986bSJohannes Berg u8 prep_len; 1606dd76986bSJohannes Berg u8 perr_len; 1607dd76986bSJohannes Berg u8 country_elem_len; 160878ac51f8SSara Sharon u8 bssid_index_len; 1609b0345850SWen Gong u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT]; 1610b0345850SWen Gong u8 tx_pwr_env_num; 1611fcff4f10SPaul Stewart 1612fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1613fcff4f10SPaul Stewart bool parse_error; 1614dd76986bSJohannes Berg }; 1615dd76986bSJohannes Berg 1616f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1617f0706e82SJiri Benc struct ieee80211_hw *hw) 1618f0706e82SJiri Benc { 1619f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1620f0706e82SJiri Benc } 1621f0706e82SJiri Benc 1622ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1623ba8c3d6fSFelix Fietkau { 1624ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1625ba8c3d6fSFelix Fietkau } 1626f0706e82SJiri Benc 1627bb42f2d1SToke Høiland-Jørgensen static inline bool txq_has_queue(struct ieee80211_txq *txq) 1628bb42f2d1SToke Høiland-Jørgensen { 1629bb42f2d1SToke Høiland-Jørgensen struct txq_info *txqi = to_txq_info(txq); 1630bb42f2d1SToke Høiland-Jørgensen 1631bb42f2d1SToke Høiland-Jørgensen return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); 1632bb42f2d1SToke Høiland-Jørgensen } 1633bb42f2d1SToke Høiland-Jørgensen 16342433647bSToke Høiland-Jørgensen static inline struct airtime_info *to_airtime_info(struct ieee80211_txq *txq) 16352433647bSToke Høiland-Jørgensen { 16362433647bSToke Høiland-Jørgensen struct ieee80211_sub_if_data *sdata; 16372433647bSToke Høiland-Jørgensen struct sta_info *sta; 16382433647bSToke Høiland-Jørgensen 16392433647bSToke Høiland-Jørgensen if (txq->sta) { 16402433647bSToke Høiland-Jørgensen sta = container_of(txq->sta, struct sta_info, sta); 16412433647bSToke Høiland-Jørgensen return &sta->airtime[txq->ac]; 16422433647bSToke Høiland-Jørgensen } 16432433647bSToke Høiland-Jørgensen 16442433647bSToke Høiland-Jørgensen sdata = vif_to_sdata(txq->vif); 16452433647bSToke Høiland-Jørgensen return &sdata->airtime[txq->ac]; 16462433647bSToke Høiland-Jørgensen } 16472433647bSToke Høiland-Jørgensen 16482433647bSToke Høiland-Jørgensen /* To avoid divisions in the fast path, we keep pre-computed reciprocals for 16492433647bSToke Høiland-Jørgensen * airtime weight calculations. There are two different weights to keep track 16502433647bSToke Høiland-Jørgensen * of: The per-station weight and the sum of weights per phy. 16512433647bSToke Høiland-Jørgensen * 16522433647bSToke Høiland-Jørgensen * For the per-station weights (kept in airtime_info below), we use 32-bit 16532433647bSToke Høiland-Jørgensen * reciprocals with a devisor of 2^19. This lets us keep the multiplications and 16542433647bSToke Høiland-Jørgensen * divisions for the station weights as 32-bit operations at the cost of a bit 16552433647bSToke Høiland-Jørgensen * of rounding error for high weights; but the choice of divisor keeps rounding 16562433647bSToke Høiland-Jørgensen * errors <10% for weights <2^15, assuming no more than 8ms of airtime is 16572433647bSToke Høiland-Jørgensen * reported at a time. 16582433647bSToke Høiland-Jørgensen * 16592433647bSToke Høiland-Jørgensen * For the per-phy sum of weights the values can get higher, so we use 64-bit 16602433647bSToke Høiland-Jørgensen * operations for those with a 32-bit divisor, which should avoid any 16612433647bSToke Høiland-Jørgensen * significant rounding errors. 16622433647bSToke Høiland-Jørgensen */ 16632433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_DIVISOR_64 0x100000000ULL 16642433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_SHIFT_64 32 16652433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_DIVISOR_32 0x80000U 16662433647bSToke Høiland-Jørgensen #define IEEE80211_RECIPROCAL_SHIFT_32 19 16672433647bSToke Høiland-Jørgensen 16682433647bSToke Høiland-Jørgensen static inline void airtime_weight_set(struct airtime_info *air_info, u16 weight) 16692433647bSToke Høiland-Jørgensen { 16702433647bSToke Høiland-Jørgensen if (air_info->weight == weight) 16712433647bSToke Høiland-Jørgensen return; 16722433647bSToke Høiland-Jørgensen 16732433647bSToke Høiland-Jørgensen air_info->weight = weight; 16742433647bSToke Høiland-Jørgensen if (weight) { 16752433647bSToke Høiland-Jørgensen air_info->weight_reciprocal = 16762433647bSToke Høiland-Jørgensen IEEE80211_RECIPROCAL_DIVISOR_32 / weight; 16772433647bSToke Høiland-Jørgensen } else { 16782433647bSToke Høiland-Jørgensen air_info->weight_reciprocal = 0; 16792433647bSToke Høiland-Jørgensen } 16802433647bSToke Høiland-Jørgensen } 16812433647bSToke Høiland-Jørgensen 16822433647bSToke Høiland-Jørgensen static inline void airtime_weight_sum_set(struct airtime_sched_info *air_sched, 16832433647bSToke Høiland-Jørgensen int weight_sum) 16842433647bSToke Høiland-Jørgensen { 16852433647bSToke Høiland-Jørgensen if (air_sched->weight_sum == weight_sum) 16862433647bSToke Høiland-Jørgensen return; 16872433647bSToke Høiland-Jørgensen 16882433647bSToke Høiland-Jørgensen air_sched->weight_sum = weight_sum; 16892433647bSToke Høiland-Jørgensen if (air_sched->weight_sum) { 16902433647bSToke Høiland-Jørgensen air_sched->weight_sum_reciprocal = IEEE80211_RECIPROCAL_DIVISOR_64; 16912433647bSToke Høiland-Jørgensen do_div(air_sched->weight_sum_reciprocal, air_sched->weight_sum); 16922433647bSToke Høiland-Jørgensen } else { 16932433647bSToke Høiland-Jørgensen air_sched->weight_sum_reciprocal = 0; 16942433647bSToke Høiland-Jørgensen } 16952433647bSToke Høiland-Jørgensen } 16962433647bSToke Høiland-Jørgensen 16972433647bSToke Høiland-Jørgensen /* A problem when trying to enforce airtime fairness is that we want to divide 16982433647bSToke Høiland-Jørgensen * the airtime between the currently *active* stations. However, basing this on 16992433647bSToke Høiland-Jørgensen * the instantaneous queue state of stations doesn't work, as queues tend to 17002433647bSToke Høiland-Jørgensen * oscillate very quickly between empty and occupied, leading to the scheduler 17012433647bSToke Høiland-Jørgensen * thinking only a single station is active when deciding whether to allow 17022433647bSToke Høiland-Jørgensen * transmission (and thus not throttling correctly). 17032433647bSToke Høiland-Jørgensen * 17042433647bSToke Høiland-Jørgensen * To fix this we use a timer-based notion of activity: a station is considered 17052433647bSToke Høiland-Jørgensen * active if it has been scheduled within the last 100 ms; we keep a separate 17062433647bSToke Høiland-Jørgensen * list of all the stations considered active in this manner, and lazily update 17072433647bSToke Høiland-Jørgensen * the total weight of active stations from this list (filtering the stations in 17082433647bSToke Høiland-Jørgensen * the list by their 'last active' time). 17092433647bSToke Høiland-Jørgensen * 17102433647bSToke Høiland-Jørgensen * We add one additional safeguard to guard against stations that manage to get 17112433647bSToke Høiland-Jørgensen * scheduled every 100 ms but don't transmit a lot of data, and thus don't use 17122433647bSToke Høiland-Jørgensen * up any airtime. Such stations would be able to get priority for an extended 17132433647bSToke Høiland-Jørgensen * period of time if they do start transmitting at full capacity again, and so 17142433647bSToke Høiland-Jørgensen * we add an explicit maximum for how far behind a station is allowed to fall in 17152433647bSToke Høiland-Jørgensen * the virtual airtime domain. This limit is set to a relatively high value of 17162433647bSToke Høiland-Jørgensen * 20 ms because the main mechanism for catching up idle stations is the active 17172433647bSToke Høiland-Jørgensen * state as described above; i.e., the hard limit should only be hit in 17182433647bSToke Høiland-Jørgensen * pathological cases. 17192433647bSToke Høiland-Jørgensen */ 17202433647bSToke Høiland-Jørgensen #define AIRTIME_ACTIVE_DURATION (100 * NSEC_PER_MSEC) 17212433647bSToke Høiland-Jørgensen #define AIRTIME_MAX_BEHIND 20000 /* 20 ms */ 17222433647bSToke Høiland-Jørgensen 17232433647bSToke Høiland-Jørgensen static inline bool airtime_is_active(struct airtime_info *air_info, u64 now) 17242433647bSToke Høiland-Jørgensen { 17252433647bSToke Høiland-Jørgensen return air_info->last_scheduled >= now - AIRTIME_ACTIVE_DURATION; 17262433647bSToke Høiland-Jørgensen } 17272433647bSToke Høiland-Jørgensen 17282433647bSToke Høiland-Jørgensen static inline void airtime_set_active(struct airtime_sched_info *air_sched, 17292433647bSToke Høiland-Jørgensen struct airtime_info *air_info, u64 now) 17302433647bSToke Høiland-Jørgensen { 17312433647bSToke Høiland-Jørgensen air_info->last_scheduled = now; 17322433647bSToke Høiland-Jørgensen air_sched->last_schedule_activity = now; 17332433647bSToke Høiland-Jørgensen list_move_tail(&air_info->list, &air_sched->active_list); 17342433647bSToke Høiland-Jørgensen } 17352433647bSToke Høiland-Jørgensen 17362433647bSToke Høiland-Jørgensen static inline bool airtime_catchup_v_t(struct airtime_sched_info *air_sched, 17372433647bSToke Høiland-Jørgensen u64 v_t, u64 now) 17382433647bSToke Høiland-Jørgensen { 17392433647bSToke Høiland-Jørgensen air_sched->v_t = v_t; 17402433647bSToke Høiland-Jørgensen return true; 17412433647bSToke Høiland-Jørgensen } 17422433647bSToke Høiland-Jørgensen 17432433647bSToke Høiland-Jørgensen static inline void init_airtime_info(struct airtime_info *air_info, 17442433647bSToke Høiland-Jørgensen struct airtime_sched_info *air_sched) 17452433647bSToke Høiland-Jørgensen { 17462433647bSToke Høiland-Jørgensen atomic_set(&air_info->aql_tx_pending, 0); 17472433647bSToke Høiland-Jørgensen air_info->aql_limit_low = air_sched->aql_txq_limit_low; 17482433647bSToke Høiland-Jørgensen air_info->aql_limit_high = air_sched->aql_txq_limit_high; 17492433647bSToke Høiland-Jørgensen airtime_weight_set(air_info, IEEE80211_DEFAULT_AIRTIME_WEIGHT); 17502433647bSToke Høiland-Jørgensen INIT_LIST_HEAD(&air_info->list); 17512433647bSToke Høiland-Jørgensen } 17522433647bSToke Høiland-Jørgensen 1753571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1754571ecf67SJohannes Berg { 1755b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1756571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1757571ecf67SJohannes Berg } 1758571ecf67SJohannes Berg 1759f4bda337SThomas Pedersen static inline bool 1760f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1761f4bda337SThomas Pedersen { 1762f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1763f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1764da388233SAvraham Stern return !!(status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END | 1765da388233SAvraham Stern RX_FLAG_MACTIME_PLCP_START)); 1766f4bda337SThomas Pedersen } 1767571ecf67SJohannes Berg 176872f15d53SMichael Braun void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); 176972f15d53SMichael Braun void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); 177072f15d53SMichael Braun 177172f15d53SMichael Braun /* This function returns the number of multicast stations connected to this 177272f15d53SMichael Braun * interface. It returns -1 if that number is not tracked, that is for netdevs 177372f15d53SMichael Braun * not in AP or AP_VLAN mode or when using 4addr. 177472f15d53SMichael Braun */ 177572f15d53SMichael Braun static inline int 177672f15d53SMichael Braun ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) 177772f15d53SMichael Braun { 177872f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP) 177972f15d53SMichael Braun return atomic_read(&sdata->u.ap.num_mcast_sta); 178072f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) 178172f15d53SMichael Braun return atomic_read(&sdata->u.vlan.num_mcast_sta); 178272f15d53SMichael Braun return -1; 178372f15d53SMichael Braun } 178472f15d53SMichael Braun 1785f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1786f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1787f4bda337SThomas Pedersen unsigned int mpdu_len, 1788f4bda337SThomas Pedersen unsigned int mpdu_offset); 1789e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 17905cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 17919c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 17929c6bd790SJohannes Berg u32 changed); 17930d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 179446900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1795f0706e82SJiri Benc 1796a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 17975ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 17985ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1799a2fcfccbSJohannes Berg 180049ddf8e6SJohannes Berg void ieee80211_check_fast_rx(struct sta_info *sta); 180149ddf8e6SJohannes Berg void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 180249ddf8e6SJohannes Berg void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 180349ddf8e6SJohannes Berg void ieee80211_clear_fast_rx(struct sta_info *sta); 180449ddf8e6SJohannes Berg 180546900298SJohannes Berg /* STA code */ 18069c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 180777fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 180877fdaa12SJohannes Berg struct cfg80211_auth_request *req); 180977fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 181077fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 181177fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 181263c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 181377fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 181463c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1815572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1816572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 18174a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1818ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 18192b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 18201fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 18211fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 18221fa57d01SJohannes Berg struct sk_buff *skb); 182309a740ceSThomas Pedersen void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata, 182409a740ceSThomas Pedersen struct sk_buff *skb); 1825d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1826be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1827afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 18281672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 18291672c0e3SJohannes Berg __le16 fc, bool acked); 18301a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1831b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 183202219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 18337dd231ebSNaftali Goldstein void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, 18347dd231ebSNaftali Goldstein u8 *bssid, u8 reason, bool tx); 18359c6bd790SJohannes Berg 183646900298SJohannes Berg /* IBSS code */ 183746900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 183846900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 18398bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 18408bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1841af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1842af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1843af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 18441fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 18451fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 18461fa57d01SJohannes Berg struct sk_buff *skb); 1847cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1848cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1849cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1850cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 18511fa57d01SJohannes Berg 1852239281f8SRostislav Lisovy /* OCB code */ 1853239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1854239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1855239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1856239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1857239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1858239281f8SRostislav Lisovy struct ocb_setup *setup); 1859239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1860239281f8SRostislav Lisovy 18611fa57d01SJohannes Berg /* mesh code */ 18621fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 18631fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 18641fa57d01SJohannes Berg struct sk_buff *skb); 1865b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 186666e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1867b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 186846900298SJohannes Berg 18699c6bd790SJohannes Berg /* scan/BSS handling */ 187046900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 187134bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1872be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 187376bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 187476bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 18757ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1876c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 18772a519311SJohannes Berg struct cfg80211_scan_request *req); 18785bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1879133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1880d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 18819c6bd790SJohannes Berg 18820a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1883c2b13452SJohannes Berg struct ieee80211_bss * 188498c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 188598c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 188698c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 188798c8fccfSJohannes Berg size_t len, 1888d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 188998c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1890c2b13452SJohannes Berg struct ieee80211_bss *bss); 1891ee385855SLuis Carlos Cobo 189279f460caSLuciano Coelho /* scheduled scan handling */ 1893d43c6b6eSDavid Spinadel int 1894d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1895d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 189679f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 189779f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 18980d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1899f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 190085a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 190179f460caSLuciano Coelho 1902a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1903aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1904aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 19052eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 19062eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1907c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1908c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1909a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1910a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1911a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1912a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1913a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1914a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1915a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1916a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1917a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1918b203ffc3SJouni Malinen 191973da7d5bSSimon Wunderlich /* channel switch handling */ 192073da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 192182a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 192282a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 192373da7d5bSSimon Wunderlich 19245f9404abSJohn Crispin /* color change handling */ 19255f9404abSJohn Crispin void ieee80211_color_change_finalize_work(struct work_struct *work); 19265f9404abSJohn Crispin 19273e122be0SJohannes Berg /* interface handling */ 192807b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \ 192907b83d2eSJohannes Berg NETIF_F_HW_CSUM | NETIF_F_SG | \ 193007b83d2eSJohannes Berg NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE) 193107b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM) 193207b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \ 193307b83d2eSJohannes Berg MAC80211_SUPPORTED_FEATURES_RX) 193407b83d2eSJohannes Berg 193547846c9bSJohannes Berg int ieee80211_iface_init(void); 193647846c9bSJohannes Berg void ieee80211_iface_exit(void); 19373e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 19386bab2e19STom Gundersen unsigned char name_assign_type, 193984efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1940ee385855SLuis Carlos Cobo struct vif_params *params); 1941f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 194205c914feSJohannes Berg enum nl80211_iftype type); 1943f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 194475636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1945382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 19465cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 194785416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 194885416a4fSChristian Lamparter const int offset); 1949f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1950f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 19513c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 19523c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1953f0706e82SJiri Benc 19541ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1955db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1956db82d8a9SLorenzo Bianconi bool update_bss); 19576aea26ceSFelix Fietkau void ieee80211_recalc_offload(struct ieee80211_local *local); 19581ea6f9c0SJohannes Berg 19599607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 19609607e6b6SJohannes Berg { 196134d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 19629607e6b6SJohannes Berg } 19639607e6b6SJohannes Berg 1964e2ebc74dSJohannes Berg /* tx handling */ 1965e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1966da1cad73SAllen Pais void ieee80211_tx_pending(struct tasklet_struct *t); 1967d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1968d0cf9c0dSStephen Hemminger struct net_device *dev); 1969d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1970d0cf9c0dSStephen Hemminger struct net_device *dev); 197150ff477aSJohn Crispin netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, 197250ff477aSJohn Crispin struct net_device *dev); 197324d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 197424d342c5SLiad Kaufman struct net_device *dev, 197506016772SRajkumar Manoharan u32 info_flags, 1976a7528198SMarkus Theil u32 ctrl_flags, 1977a7528198SMarkus Theil u64 *cookie); 19781f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 19791f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 19807528ec57SJohannes Berg struct sk_buff * 19817528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 19827528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 19834dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 19844dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 1985b7b2e8caSJohn Crispin int retry_count, int shift, bool send_to_cooked, 1986b7b2e8caSJohn Crispin struct ieee80211_tx_status *status); 1987e2ebc74dSJohannes Berg 198817c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 198917c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 199017c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 199117c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 199291180649SDenis Kenzior int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, 199391180649SDenis Kenzior const u8 *buf, size_t len, 1994dca9ca2dSMarkus Theil const u8 *dest, __be16 proto, bool unencrypted, 1995dca9ca2dSMarkus Theil u64 *cookie); 19968828f81aSRajkumar Manoharan int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, 19978828f81aSRajkumar Manoharan const u8 *buf, size_t len); 19982433647bSToke Høiland-Jørgensen void ieee80211_resort_txq(struct ieee80211_hw *hw, 19992433647bSToke Høiland-Jørgensen struct ieee80211_txq *txq); 20002433647bSToke Høiland-Jørgensen void ieee80211_unschedule_txq(struct ieee80211_hw *hw, 20012433647bSToke Høiland-Jørgensen struct ieee80211_txq *txq, 20022433647bSToke Høiland-Jørgensen bool purge); 20032433647bSToke Høiland-Jørgensen void ieee80211_update_airtime_weight(struct ieee80211_local *local, 20042433647bSToke Høiland-Jørgensen struct airtime_sched_info *air_sched, 20052433647bSToke Høiland-Jørgensen u64 now, bool force); 200617c18bf8SJohannes Berg 2007de1ede7aSJohannes Berg /* HT */ 2008ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 2009ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 2010e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 2011ef96a842SBen Greear struct ieee80211_supported_band *sband, 20124a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 2013e1a0c6b3SJohannes Berg struct sta_info *sta); 2014b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 2015b8695a8fSJohannes Berg const u8 *da, u16 tid, 2016b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 20170f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 20180f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 20190f78231bSJohannes Berg const u8 *bssid); 2020687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 2021687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 2022687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 2023687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 2024de1ede7aSJohannes Berg 20257c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 202653f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 2027849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 202853f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 2029bde59c47SJohannes Berg void ___ieee80211_start_rx_ba_session(struct sta_info *sta, 2030bde59c47SJohannes Berg u8 dialog_token, u16 timeout, 2031bde59c47SJohannes Berg u16 start_seq_num, u16 ba_policy, u16 tid, 20322ab45876SJohn Crispin u16 buf_size, bool tx, bool auto_seq, 20332ab45876SJohn Crispin const struct ieee80211_addba_ext_ie *addbaext); 2034c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 2035c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 2036de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 2037de1ede7aSJohannes Berg struct sta_info *sta, 2038de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 2039de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 2040de1ede7aSJohannes Berg struct sta_info *sta, 2041de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 2042de1ede7aSJohannes Berg size_t len); 2043de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 2044de1ede7aSJohannes Berg struct sta_info *sta, 2045de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 2046de1ede7aSJohannes Berg size_t len); 2047de1ede7aSJohannes Berg 2048849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 2049c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 205067c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 2051c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 20527a7c0a64SJohannes Berg void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, 20537a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 20547a7c0a64SJohannes Berg void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, 20557a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 205667c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 205767c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 20582bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 2059849b7967SJohannes Berg 206004ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 206157566b20Stamizhr@codeaurora.org enum nl80211_smps_mode 206257566b20Stamizhr@codeaurora.org ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps); 206304ecd257SJohannes Berg 2064818255eaSMahesh Palivela /* VHT */ 20654a3cb702SJohannes Berg void 20664a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 2067818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 20684a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 20694a34215eSJohannes Berg struct sta_info *sta); 20701c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 2071e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 20728921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 207359021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 207459021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 207559021c67SArik Nemtsov enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); 207623a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 207723a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 2078b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 2079b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 208057fbcce3SJohannes Berg enum nl80211_band band); 20810af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 20820af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 208357fbcce3SJohannes Berg enum nl80211_band band); 2084dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 2085dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 2086b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 2087b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 208897f5f425Stamizhr@codeaurora.org enum nl80211_chan_width 208997f5f425Stamizhr@codeaurora.org ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta); 20904a34215eSJohannes Berg 209141cbb0f5SLuca Coelho /* HE */ 209241cbb0f5SLuca Coelho void 209341cbb0f5SLuca Coelho ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 209441cbb0f5SLuca Coelho struct ieee80211_supported_band *sband, 209541cbb0f5SLuca Coelho const u8 *he_cap_ie, u8 he_cap_len, 20961bb9a8a4SJohannes Berg const struct ieee80211_he_6ghz_capa *he_6ghz_capa, 209741cbb0f5SLuca Coelho struct sta_info *sta); 20981ced169cSJohn Crispin void 20991ced169cSJohn Crispin ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, 21001ced169cSJohn Crispin const struct ieee80211_he_spr *he_spr_ie_elem); 210141cbb0f5SLuca Coelho 2102697f6c50SJohn Crispin void 2103697f6c50SJohn Crispin ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif, 2104697f6c50SJohn Crispin const struct ieee80211_he_operation *he_op_ie_elem); 2105697f6c50SJohn Crispin 210612bf8fadSThomas Pedersen /* S1G */ 210712bf8fadSThomas Pedersen void ieee80211_s1g_sta_rate_init(struct sta_info *sta); 2108f5a4c24eSLorenzo Bianconi bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb); 2109f5a4c24eSLorenzo Bianconi void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata, 2110f5a4c24eSLorenzo Bianconi struct sk_buff *skb); 2111f5a4c24eSLorenzo Bianconi void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata, 2112f5a4c24eSLorenzo Bianconi struct sk_buff *skb); 211312bf8fadSThomas Pedersen 211439192c0bSJohannes Berg /* Spectrum management */ 211539192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 211639192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 211739192c0bSJohannes Berg size_t len); 2118e6b7cde4SSimon Wunderlich /** 2119e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 2120e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 2121e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 2122e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 21232a333a0dSJohannes Berg * @vht_cap_info: VHT capabilities of the transmitter 2124e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 2125e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 2126e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 2127e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 2128e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 2129e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 2130e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 2131c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 2132c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 2133e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 2134e6b7cde4SSimon Wunderlich */ 2135e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 213684469a45SLuciano Coelho struct ieee802_11_elems *elems, 213757fbcce3SJohannes Berg enum nl80211_band current_band, 21382a333a0dSJohannes Berg u32 vht_cap_info, 2139c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 2140c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 214139192c0bSJohannes Berg 2142f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 2143f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 214484f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 2145f2753ddbSJohannes Berg 2146eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 2147eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 2148f2753ddbSJohannes Berg 2149f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 2150f2753ddbSJohannes Berg { 215185f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 215285f72bc8SJohn W. Linville 21539120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 21549120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 215585f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 215685f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 215785f72bc8SJohn W. Linville 2158f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 2159f2753ddbSJohannes Berg } 2160665af4fcSBob Copeland 2161c2d1560aSJohannes Berg /* utility functions/constants */ 21628a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 216357fbcce3SJohannes Berg int ieee80211_frame_duration(enum nl80211_band band, size_t len, 2164438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 2165438b61b7SSimon Wunderlich int shift); 2166e552af05SHaim Dreyfuss void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, 2167e552af05SHaim Dreyfuss struct ieee80211_tx_queue_params *qparam, 2168e552af05SHaim Dreyfuss int ac); 21693abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 2170cec66283SJohannes Berg bool bss_notify, bool enable_qos); 21717c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 217208aca29aSMathy Vanhoef struct sta_info *sta, struct sk_buff *skb); 2173cf6bb79aSHelmut Schaa 217455de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 217555de908aSJohannes Berg struct sk_buff *skb, int tid, 217608aca29aSMathy Vanhoef enum nl80211_band band); 217755de908aSJohannes Berg 217850ff477aSJohn Crispin /* sta_out needs to be checked for ERR_PTR() before using */ 217950ff477aSJohn Crispin int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, 218050ff477aSJohn Crispin struct sk_buff *skb, 218150ff477aSJohn Crispin struct sta_info **sta_out); 218250ff477aSJohn Crispin 218355de908aSJohannes Berg static inline void 218455de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 218555de908aSJohannes Berg struct sk_buff *skb, int tid, 218608aca29aSMathy Vanhoef enum nl80211_band band) 218755de908aSJohannes Berg { 218855de908aSJohannes Berg rcu_read_lock(); 218908aca29aSMathy Vanhoef __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 219055de908aSJohannes Berg rcu_read_unlock(); 219155de908aSJohannes Berg } 219255de908aSJohannes Berg 219355de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 219455de908aSJohannes Berg struct sk_buff *skb, int tid) 219555de908aSJohannes Berg { 219655de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 219755de908aSJohannes Berg 219855de908aSJohannes Berg rcu_read_lock(); 219955de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 220055de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 220155de908aSJohannes Berg rcu_read_unlock(); 220255de908aSJohannes Berg kfree_skb(skb); 220355de908aSJohannes Berg return; 220455de908aSJohannes Berg } 220555de908aSJohannes Berg 220655de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 220708aca29aSMathy Vanhoef chanctx_conf->def.chan->band); 220855de908aSJohannes Berg rcu_read_unlock(); 220955de908aSJohannes Berg } 221055de908aSJohannes Berg 221155de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 2212cf6bb79aSHelmut Schaa struct sk_buff *skb) 2213cf6bb79aSHelmut Schaa { 2214cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 2215cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 2216cf6bb79aSHelmut Schaa } 2217cf6bb79aSHelmut Schaa 22185d24828dSJohannes Berg struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len, 221935d865afSJohannes Berg bool action, 22205d24828dSJohannes Berg u64 filter, u32 crc, 22215d24828dSJohannes Berg const u8 *transmitter_bssid, 22225d24828dSJohannes Berg const u8 *bss_bssid); 22235d24828dSJohannes Berg static inline struct ieee802_11_elems * 22245d24828dSJohannes Berg ieee802_11_parse_elems(const u8 *start, size_t len, bool action, 22255d24828dSJohannes Berg const u8 *transmitter_bssid, 22265d24828dSJohannes Berg const u8 *bss_bssid) 2227ddc4db2eSJohannes Berg { 22285d24828dSJohannes Berg return ieee802_11_parse_elems_crc(start, len, action, 0, 0, 22294abb52a4SSara Sharon transmitter_bssid, bss_bssid); 2230ddc4db2eSJohannes Berg } 2231ddc4db2eSJohannes Berg 223283eb935eSMichal Kazior 223302219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 223402219b3aSJohannes Berg 223502219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 223602219b3aSJohannes Berg { 223702219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 223802219b3aSJohannes Berg } 223902219b3aSJohannes Berg 2240520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 2241520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 224234f11cd3SKees Cook void ieee80211_dynamic_ps_timer(struct timer_list *t); 2243a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 2244a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 2245076cdcb1SJohannes Berg bool powersave); 2246a5d3cbdbSFelix Fietkau void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local, 2247a5d3cbdbSFelix Fietkau struct ieee80211_sub_if_data *sdata); 22484e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 224902219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 2250520eb820SKalle Valo 2251ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 2252445ea4e8SJohannes Berg unsigned long queues, 2253cca07b00SLuciano Coelho enum queue_stop_reason reason, 2254cca07b00SLuciano Coelho bool refcounted); 225526da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 225626da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 225726da23b6SLuciano Coelho enum queue_stop_reason reason); 225826da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 225926da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 226026da23b6SLuciano Coelho enum queue_stop_reason reason); 2261ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 2262445ea4e8SJohannes Berg unsigned long queues, 2263cca07b00SLuciano Coelho enum queue_stop_reason reason, 2264cca07b00SLuciano Coelho bool refcounted); 226596f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 2266cca07b00SLuciano Coelho enum queue_stop_reason reason, 2267cca07b00SLuciano Coelho bool refcounted); 226896f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 2269cca07b00SLuciano Coelho enum queue_stop_reason reason, 2270cca07b00SLuciano Coelho bool refcounted); 22713a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 22728f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 22738f77f384SJohannes Berg struct sk_buff *skb); 2274e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 2275e3685e03SJohannes Berg struct sk_buff_head *skbs); 227639ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 22773b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 22784f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 22794f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 22803b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 2281ce7c9111SKalle Valo 22824afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 22834afaff17SEmmanuel Grumbach { 22844afaff17SEmmanuel Grumbach /* 2285f8891461SNaftali Goldstein * It's unsafe to try to do any work during reconfigure flow. 2286f8891461SNaftali Goldstein * When the flow ends the work will be requeued. 2287f8891461SNaftali Goldstein */ 2288f8891461SNaftali Goldstein if (local->in_reconfig) 2289f8891461SNaftali Goldstein return false; 2290f8891461SNaftali Goldstein 2291f8891461SNaftali Goldstein /* 22924afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 22934afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 22944afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 22954afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 22964afaff17SEmmanuel Grumbach */ 22974afaff17SEmmanuel Grumbach if (local->quiescing) 22984afaff17SEmmanuel Grumbach return false; 22994afaff17SEmmanuel Grumbach 23004afaff17SEmmanuel Grumbach /* 23014afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 23024afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 23034afaff17SEmmanuel Grumbach * 23044afaff17SEmmanuel Grumbach * if (local->quiescing) 23054afaff17SEmmanuel Grumbach * return; 23064afaff17SEmmanuel Grumbach * local->quiescing = true; 23074afaff17SEmmanuel Grumbach * flush_workqueue(); 23084afaff17SEmmanuel Grumbach * queue_work(...); 23094afaff17SEmmanuel Grumbach * local->suspended = true; 23104afaff17SEmmanuel Grumbach * local->quiescing = false; 23114afaff17SEmmanuel Grumbach * worker starts running... 23124afaff17SEmmanuel Grumbach */ 23134afaff17SEmmanuel Grumbach if (local->suspended) 23144afaff17SEmmanuel Grumbach return false; 23154afaff17SEmmanuel Grumbach 23164afaff17SEmmanuel Grumbach return true; 23174afaff17SEmmanuel Grumbach } 23184afaff17SEmmanuel Grumbach 2319fa962b92SMichal Kazior int ieee80211_txq_setup_flows(struct ieee80211_local *local); 23202fe4a29aSToke Høiland-Jørgensen void ieee80211_txq_set_params(struct ieee80211_local *local); 2321fa962b92SMichal Kazior void ieee80211_txq_teardown_flows(struct ieee80211_local *local); 2322fa962b92SMichal Kazior void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, 2323ba8c3d6fSFelix Fietkau struct sta_info *sta, 2324ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 2325fa962b92SMichal Kazior void ieee80211_txq_purge(struct ieee80211_local *local, 2326fa962b92SMichal Kazior struct txq_info *txqi); 23272a9e2579SJohannes Berg void ieee80211_txq_remove_vlan(struct ieee80211_local *local, 23282a9e2579SJohannes Berg struct ieee80211_sub_if_data *sdata); 23292fe4a29aSToke Høiland-Jørgensen void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 23302fe4a29aSToke Høiland-Jørgensen struct txq_info *txqi); 2331da1cad73SAllen Pais void ieee80211_wake_txqs(struct tasklet_struct *t); 233246900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 2333700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 23344a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 23351672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 23361672c0e3SJohannes Berg u32 tx_flags); 23376ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 23384b08d1b6SJohannes Berg const u8 *da, const u8 *bssid, 23394b08d1b6SJohannes Berg u16 stype, u16 reason, 23406ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 234100387f32SJohannes Berg 234200387f32SJohannes Berg enum { 234300387f32SJohannes Berg IEEE80211_PROBE_FLAG_DIRECTED = BIT(0), 2344b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1), 2345b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2), 234600387f32SJohannes Berg }; 234700387f32SJohannes Berg 23482ad2274cSIlan Peer int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer, 2349c56ef672SDavid Spinadel size_t buffer_len, 2350c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 2351c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 2352c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 235300387f32SJohannes Berg struct cfg80211_chan_def *chandef, 235400387f32SJohannes Berg u32 flags); 2355a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 2356a344d677SJohannes Berg const u8 *src, const u8 *dst, 2357a344d677SJohannes Berg u32 ratemask, 23586b77863bSJohannes Berg struct ieee80211_channel *chan, 2359a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 2360a806c558SPaul Stewart const u8 *ie, size_t ie_len, 236100387f32SJohannes Berg u32 flags); 23622103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 236346900298SJohannes Berg struct ieee802_11_elems *elems, 236457fbcce3SJohannes Berg enum nl80211_band band, u32 *basic_rates); 2365687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2366687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 236704ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 236821f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 236946900298SJohannes Berg 23708e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 2371ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 237242e7aa77SAlexander Simon u16 cap); 2373074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 23744bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 237557f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 237675d627d5SSimon Wunderlich void ieee80211_ie_build_wide_bw_cs(u8 *pos, 237775d627d5SSimon Wunderlich const struct cfg80211_chan_def *chandef); 2378ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2379ba0afa2fSMahesh Palivela u32 cap); 2380fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2381fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 238260ad72daSSven Eckelmann u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype); 238341cbb0f5SLuca Coelho u8 *ieee80211_ie_build_he_cap(u8 *pos, 238441cbb0f5SLuca Coelho const struct ieee80211_sta_he_cap *he_cap, 238541cbb0f5SLuca Coelho u8 *end); 238624a2042cSRajkumar Manoharan void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata, 238724a2042cSRajkumar Manoharan struct sk_buff *skb); 2388d1b7524bSRajkumar Manoharan u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef); 23892103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 23902103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 23912103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 2392fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 23936b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 239457fbcce3SJohannes Berg enum nl80211_band band); 2395fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 23966b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 239757fbcce3SJohannes Berg enum nl80211_band band); 239840b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 23997957c6c8SThomas Pedersen void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata, 24007957c6c8SThomas Pedersen struct ieee80211_sta_s1g_cap *caps, 24017957c6c8SThomas Pedersen struct sk_buff *skb); 24021d00ce80SThomas Pedersen void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata, 24031d00ce80SThomas Pedersen struct sk_buff *skb); 24048e664fb3SJohannes Berg 2405f444de05SJohannes Berg /* channel management */ 24068ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 24074bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 24082a333a0dSJohannes Berg bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, 24097eb26df2SJohannes Berg const struct ieee80211_vht_operation *oper, 24107eb26df2SJohannes Berg const struct ieee80211_ht_operation *htop, 2411abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 241257fa5e85SJohannes Berg bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata, 241357fa5e85SJohannes Berg const struct ieee80211_he_operation *he_oper, 241457fa5e85SJohannes Berg struct cfg80211_chan_def *chandef); 24151d00ce80SThomas Pedersen bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper, 24161d00ce80SThomas Pedersen struct cfg80211_chan_def *chandef); 2417e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 2418f444de05SJohannes Berg 2419d01a1e65SMichal Kazior int __must_check 2420d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 24214bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2422d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 24232c9b7359SJohannes Berg int __must_check 242411335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 242511335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 242609332481SMichal Kazior enum ieee80211_chanctx_mode mode, 242709332481SMichal Kazior bool radar_required); 242811335a55SLuciano Coelho int __must_check 24295bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 243011335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 243111335a55SLuciano Coelho 243211335a55SLuciano Coelho int __must_check 24332c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 24342c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 24352c9b7359SJohannes Berg u32 *changed); 2436d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 24374d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 24381f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 24391f4ac5a6SJohannes Berg bool clear); 2440c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2441c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2442d01a1e65SMichal Kazior 244304ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 244404ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 244521f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 244621f659bfSEliad Peller struct ieee80211_chanctx *ctx); 24475cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2448164eb02dSSimon Wunderlich 2449164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2450164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2451164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2452164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2453c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2454c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 245504ecd257SJohannes Berg 24562475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 24572475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 24582475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 24592475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 24602475b1ccSMax Stepanov enum nl80211_iftype iftype); 24612475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 24622475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 24632475b1ccSMax Stepanov enum nl80211_iftype iftype); 2464057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2465057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 246673de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 246773de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 246873de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 246973de86a3SLuciano Coelho u8 radar_detect); 24706fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 24710fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 24720fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 24732475b1ccSMax Stepanov 247495224fe8SArik Nemtsov /* TDLS */ 247595224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 24763b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 247795224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 247831fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 247931fa97c5SArik Nemtsov size_t extra_ies_len); 248095224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 24813b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2482c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2483a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2484a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2485a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2486a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2487a7a6bdd0SArik Nemtsov struct net_device *dev, 2488a7a6bdd0SArik Nemtsov const u8 *addr); 2489d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 249079c92ca4SYu Wang void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata, 249179c92ca4SYu Wang const u8 *peer, u16 reason); 2492f057d140SJohannes Berg void 2493f057d140SJohannes Berg ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata, 2494f057d140SJohannes Berg struct sk_buff *skb); 2495f057d140SJohannes Berg 2496f057d140SJohannes Berg 249779c92ca4SYu Wang const char *ieee80211_get_reason_code_string(u16 reason_code); 249805d10957SThomas Pedersen u16 ieee80211_encode_usf(int val); 249909a740ceSThomas Pedersen u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 250009a740ceSThomas Pedersen enum nl80211_iftype type); 250195224fe8SArik Nemtsov 2502b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2503b7ffbd7eSJohannes Berg 2504db3e1c40SToke Høiland-Jørgensen u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw, 2505db3e1c40SToke Høiland-Jørgensen struct ieee80211_vif *vif, 2506db3e1c40SToke Høiland-Jørgensen struct ieee80211_sta *pubsta, 25073ff901cbSFelix Fietkau int len, bool ampdu); 2508f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2509d9e8a70fSJohannes Berg #define debug_noinline noinline 2510d9e8a70fSJohannes Berg #else 2511d9e8a70fSJohannes Berg #define debug_noinline 2512d9e8a70fSJohannes Berg #endif 2513d9e8a70fSJohannes Berg 25143a11ce08SJohannes Berg void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache); 25153a11ce08SJohannes Berg void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache); 25163a11ce08SJohannes Berg 2517f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2518