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 852b4810bSIlan Peer * Copyright (C) 2018-2020 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> 28fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2993da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3051cb6db0SDavid S. Miller #include <net/mac80211.h> 31fa962b92SMichal Kazior #include <net/fq.h> 322c8dccc7SJohannes Berg #include "key.h" 33f0706e82SJiri Benc #include "sta_info.h" 34bdcbd8e0SJohannes Berg #include "debug.h" 35f0706e82SJiri Benc 363beea351SJohannes Berg extern const struct cfg80211_ops mac80211_config_ops; 373beea351SJohannes Berg 389cfb0009SJohannes Berg struct ieee80211_local; 39f0706e82SJiri Benc 40f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 41f0706e82SJiri Benc * associated stations are using power saving. */ 42f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 43f0706e82SJiri Benc 44f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 45f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 46f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 47f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 48f0706e82SJiri Benc 49f0706e82SJiri Benc /* Required encryption head and tailroom */ 50f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 51765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 52f0706e82SJiri Benc 53f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 54f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 55f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 56f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 57f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 58f0706e82SJiri Benc 591ea6f9c0SJohannes Berg /* power level hasn't been configured (or set to automatic) */ 601ea6f9c0SJohannes Berg #define IEEE80211_UNSET_POWER_LEVEL INT_MIN 611ea6f9c0SJohannes Berg 62d6a4ed6fSArik Nemtsov /* 63aa75ebc2SMichal Kazior * Some APs experience problems when working with U-APSD. Decreasing the 64aa75ebc2SMichal Kazior * probability of that happening by using legacy mode for all ACs but VO isn't 65aa75ebc2SMichal Kazior * enough. 66aa75ebc2SMichal Kazior * 67aa75ebc2SMichal Kazior * Cisco 4410N originally forced us to enable VO by default only because it 68aa75ebc2SMichal Kazior * treated non-VO ACs as legacy. 69aa75ebc2SMichal Kazior * 70aa75ebc2SMichal Kazior * However some APs (notably Netgear R7000) silently reclassify packets to 71aa75ebc2SMichal Kazior * different ACs. Since u-APSD ACs require trigger frames for frame retrieval 72aa75ebc2SMichal Kazior * clients would never see some frames (e.g. ARP responses) or would fetch them 73aa75ebc2SMichal Kazior * accidentally after a long time. 74aa75ebc2SMichal Kazior * 75aa75ebc2SMichal Kazior * It makes little sense to enable u-APSD queues by default because it needs 76aa75ebc2SMichal Kazior * userspace applications to be aware of it to actually take advantage of the 77aa75ebc2SMichal Kazior * possible additional powersavings. Implicitly depending on driver autotrigger 78aa75ebc2SMichal Kazior * frame support doesn't make much sense. 79d6a4ed6fSArik Nemtsov */ 80aa75ebc2SMichal Kazior #define IEEE80211_DEFAULT_UAPSD_QUEUES 0 81ab13315aSKalle Valo 82ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 83ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 84ab13315aSKalle Valo 85f438ceb8SEmmanuel Grumbach extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS]; 86f438ceb8SEmmanuel Grumbach 876ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 886ae16775SAntonio Quartulli 89167e33f4SAyala Beker #define IEEE80211_MAX_NAN_INSTANCE_ID 255 90167e33f4SAyala Beker 91f0706e82SJiri Benc struct ieee80211_fragment_entry { 92f0706e82SJiri Benc struct sk_buff_head skb_list; 9369f13223SJohannes Berg unsigned long first_frag_time; 9469f13223SJohannes Berg u16 seq; 9569f13223SJohannes Berg u16 extra_len; 9669f13223SJohannes Berg u16 last_frag; 9769f13223SJohannes Berg u8 rx_queue; 989acc54beSJohannes Berg bool check_sequential_pn; /* needed for CCMP/GCMP */ 99f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 100f0706e82SJiri Benc }; 101f0706e82SJiri Benc 102f0706e82SJiri Benc 103c2b13452SJohannes Berg struct ieee80211_bss { 104ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 1058c358bcdSJohannes Berg 10643ac2ca3SJouni Malinen bool wmm_used; 107ab13315aSKalle Valo bool uapsd_supported; 10800d3f14cSJohannes Berg 109f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 110f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 111f0706e82SJiri Benc size_t supp_rates_len; 112817cee76SAlexander Bondar struct ieee80211_rate *beacon_rate; 113f0706e82SJiri Benc 11400d3f14cSJohannes Berg /* 11525985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1165628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1175628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11800d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11900d3f14cSJohannes Berg */ 12000d3f14cSJohannes Berg bool has_erp_value; 1215628221cSDaniel Drake u8 erp_value; 122fcff4f10SPaul Stewart 123fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 124fcff4f10SPaul Stewart u8 corrupt_data; 125fcff4f10SPaul Stewart 126fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 127fcff4f10SPaul Stewart u8 valid_data; 128fcff4f10SPaul Stewart }; 129fcff4f10SPaul Stewart 130fcff4f10SPaul Stewart /** 131fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 132fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 133fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 134fcff4f10SPaul Stewart * 135fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 136fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 137fcff4f10SPaul Stewart */ 138fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 139fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 140fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 141fcff4f10SPaul Stewart }; 142fcff4f10SPaul Stewart 143fcff4f10SPaul Stewart /** 144fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 145fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 146fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 147fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 148fcff4f10SPaul Stewart * 149fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 150fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 151d070f913SStephen Hemminger * of the data structure were received as a result of an un-corrupted 152fcff4f10SPaul Stewart * beacon/probe response. 153fcff4f10SPaul Stewart */ 154fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 155fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 156fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 157fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 158f0706e82SJiri Benc }; 159f0706e82SJiri Benc 1609efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_tx_result; 1619ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1629ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1639ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1649ae54c84SJohannes Berg 165b9771d41SJohannes Berg #define IEEE80211_TX_NO_SEQNO BIT(0) 1665cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1675cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1689ae54c84SJohannes Berg 1695cf121c3SJohannes Berg struct ieee80211_tx_data { 170f0706e82SJiri Benc struct sk_buff *skb; 171252b86c4SJohannes Berg struct sk_buff_head skbs; 172f0706e82SJiri Benc struct ieee80211_local *local; 173f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 174f0706e82SJiri Benc struct sta_info *sta; 175f0706e82SJiri Benc struct ieee80211_key *key; 1760d528d85SFelix Fietkau struct ieee80211_tx_rate rate; 1775cf121c3SJohannes Berg 178056cdd59SJohannes Berg unsigned int flags; 1795cf121c3SJohannes Berg }; 1805cf121c3SJohannes Berg 1815cf121c3SJohannes Berg 1829efeccacSMichael S. Tsirkin typedef unsigned __bitwise ieee80211_rx_result; 1835cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1845cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1855cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1865cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1875cf121c3SJohannes Berg 188554891e6SJohannes Berg /** 189554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 190554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 191554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1924cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 193554891e6SJohannes Berg * 194554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 195554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 196554891e6SJohannes Berg */ 197554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 198554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 199554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2004cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 201554891e6SJohannes Berg }; 202554891e6SJohannes Berg 203554891e6SJohannes Berg /** 204554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 205554891e6SJohannes Berg * 206554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 207ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 208ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 209554891e6SJohannes Berg * 210554891e6SJohannes Berg * These flags are used across handling multiple interfaces 211554891e6SJohannes Berg * for a single frame. 212554891e6SJohannes Berg */ 213554891e6SJohannes Berg enum ieee80211_rx_flags { 214554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 215ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 216554891e6SJohannes Berg }; 2175cf121c3SJohannes Berg 2185cf121c3SJohannes Berg struct ieee80211_rx_data { 219af9f9b22SJohannes Berg struct napi_struct *napi; 2205cf121c3SJohannes Berg struct sk_buff *skb; 2215cf121c3SJohannes Berg struct ieee80211_local *local; 2225cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2235cf121c3SJohannes Berg struct sta_info *sta; 2245cf121c3SJohannes Berg struct ieee80211_key *key; 225056cdd59SJohannes Berg 226056cdd59SJohannes Berg unsigned int flags; 2279e26297aSJohannes Berg 2289e26297aSJohannes Berg /* 2299e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2309e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2319e26297aSJohannes Berg * will be 16 on non-QoS frames. 2329e26297aSJohannes Berg */ 2339e26297aSJohannes Berg int seqno_idx; 2349e26297aSJohannes Berg 2359e26297aSJohannes Berg /* 2369e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2379e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2389e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2399e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2409e26297aSJohannes Berg */ 2419e26297aSJohannes Berg int security_idx; 2429e26297aSJohannes Berg 24350741ae0SJohannes Berg u32 tkip_iv32; 24450741ae0SJohannes Berg u16 tkip_iv16; 245f0706e82SJiri Benc }; 246f0706e82SJiri Benc 247af296bdbSMichal Kazior struct ieee80211_csa_settings { 248af296bdbSMichal Kazior const u16 *counter_offsets_beacon; 249af296bdbSMichal Kazior const u16 *counter_offsets_presp; 250af296bdbSMichal Kazior 251af296bdbSMichal Kazior int n_counter_offsets_beacon; 252af296bdbSMichal Kazior int n_counter_offsets_presp; 253af296bdbSMichal Kazior 254af296bdbSMichal Kazior u8 count; 255af296bdbSMichal Kazior }; 256af296bdbSMichal Kazior 2575dfdaf58SJohannes Berg struct beacon_data { 2585dfdaf58SJohannes Berg u8 *head, *tail; 2595dfdaf58SJohannes Berg int head_len, tail_len; 26043552be1SThomas Pedersen struct ieee80211_meshconf_ie *meshconf; 261af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 262af296bdbSMichal Kazior u8 csa_current_counter; 2638860020eSJohannes Berg struct rcu_head rcu_head; 2645dfdaf58SJohannes Berg }; 2655dfdaf58SJohannes Berg 266aa7a0080SEyal Shapira struct probe_resp { 267aa7a0080SEyal Shapira struct rcu_head rcu_head; 268aa7a0080SEyal Shapira int len; 269af296bdbSMichal Kazior u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM]; 2703c23215bSGustavo A. R. Silva u8 data[]; 271aa7a0080SEyal Shapira }; 272aa7a0080SEyal Shapira 273d012a605SMarco Porsch struct ps_data { 274d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 275d012a605SMarco Porsch * bitmap_empty :) 276d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 2775fe2bb86SJoe Perches u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] 2785fe2bb86SJoe Perches __aligned(__alignof__(unsigned long)); 279d012a605SMarco Porsch struct sk_buff_head bc_buf; 280d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 281d012a605SMarco Porsch int dtim_count; 282d012a605SMarco Porsch bool dtim_bc_mc; 283d012a605SMarco Porsch }; 284d012a605SMarco Porsch 285f0706e82SJiri Benc struct ieee80211_if_ap { 28640b275b6SJohannes Berg struct beacon_data __rcu *beacon; 287aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 288f0706e82SJiri Benc 28973da7d5bSSimon Wunderlich /* to be used after channel switch. */ 29073da7d5bSSimon Wunderlich struct cfg80211_beacon_data *next_beacon; 2914e141dadSMichal Kazior struct list_head vlans; /* write-protected with RTNL and local->mtx */ 2920ec3ca44SJohannes Berg 293d012a605SMarco Porsch struct ps_data ps; 294030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 295687da132SEmmanuel Grumbach 296ebceec86SMichael Braun bool multicast_to_unicast; 297f0706e82SJiri Benc }; 298f0706e82SJiri Benc 299f0706e82SJiri Benc struct ieee80211_if_wds { 300f0706e82SJiri Benc struct sta_info *sta; 301056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 302f0706e82SJiri Benc }; 303f0706e82SJiri Benc 304f0706e82SJiri Benc struct ieee80211_if_vlan { 3054e141dadSMichal Kazior struct list_head list; /* write-protected with RTNL and local->mtx */ 306f14543eeSFelix Fietkau 307f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 30840b275b6SJohannes Berg struct sta_info __rcu *sta; 30972f15d53SMichael Braun atomic_t num_mcast_sta; /* number of stations receiving multicast */ 310f0706e82SJiri Benc }; 311f0706e82SJiri Benc 312ee385855SLuis Carlos Cobo struct mesh_stats { 313c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 314c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 315c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 316ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 317ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 318cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 319ee385855SLuis Carlos Cobo }; 320ee385855SLuis Carlos Cobo 321ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 322ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 323ee385855SLuis Carlos Cobo struct mesh_preq_queue { 324ee385855SLuis Carlos Cobo struct list_head list; 325ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 326ee385855SLuis Carlos Cobo u8 flags; 327ee385855SLuis Carlos Cobo }; 328ee385855SLuis Carlos Cobo 3292eb278e0SJohannes Berg struct ieee80211_roc_work { 33077fdaa12SJohannes Berg struct list_head list; 331af6b6374SJohannes Berg 332af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 333af6b6374SJohannes Berg 334f679f65dSJohannes Berg struct ieee80211_channel *chan; 335af6b6374SJohannes Berg 3362eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 337b4b177a5SJohannes Berg bool on_channel; 338f679f65dSJohannes Berg 339aaa016ccSJohannes Berg unsigned long start_time; 340e4da8c37SJohannes Berg 3412eb278e0SJohannes Berg u32 duration, req_duration; 342f30221e4SJohannes Berg struct sk_buff *frame; 34350febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 344d339d5caSIlan Peer enum ieee80211_roc_type type; 34577fdaa12SJohannes Berg }; 34677fdaa12SJohannes Berg 34746900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 348ab1faeadSJohannes Berg enum ieee80211_sta_flags { 349b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 350b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 351a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 352b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 353ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 354375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 35517e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 35624398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 357d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 358f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 359f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 360095d81ceSJohannes Berg IEEE80211_STA_DISABLE_WMM = BIT(14), 361cd2f5dd7SAssaf Krauss IEEE80211_STA_ENABLE_RRM = BIT(15), 36241cbb0f5SLuca Coelho IEEE80211_STA_DISABLE_HE = BIT(16), 363ab1faeadSJohannes Berg }; 364ab1faeadSJohannes Berg 36566e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 36666e67e41SJohannes Berg struct cfg80211_bss *bss; 36766e67e41SJohannes Berg unsigned long timeout; 36866e67e41SJohannes Berg int tries; 36966e67e41SJohannes Berg u16 algorithm, expected_transaction; 37066e67e41SJohannes Berg 37166e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 37266e67e41SJohannes Berg u8 key_len, key_idx; 37366e67e41SJohannes Berg bool done; 374efb543e6SJouni Malinen bool peer_confirmed; 37589afe614SJohannes Berg bool timeout_started; 37666e67e41SJohannes Berg 3776b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3786b8ece3aSJouni Malinen size_t data_len; 3796b8ece3aSJouni Malinen u8 data[]; 38066e67e41SJohannes Berg }; 38166e67e41SJohannes Berg 38266e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 38366e67e41SJohannes Berg struct cfg80211_bss *bss; 38466e67e41SJohannes Berg const u8 *supp_rates; 38566e67e41SJohannes Berg 38666e67e41SJohannes Berg unsigned long timeout; 38766e67e41SJohannes Berg int tries; 38866e67e41SJohannes Berg 38966e67e41SJohannes Berg u16 capability; 39066e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39166e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39266e67e41SJohannes Berg u8 ssid_len; 39366e67e41SJohannes Berg u8 supp_rates_len; 39476f0303dSJohannes Berg bool wmm, uapsd; 395989c6505SAlexander Bondar bool need_beacon; 39666e67e41SJohannes Berg bool synced; 39789afe614SJohannes Berg bool timeout_started; 39866e67e41SJohannes Berg 3999dde6423SJohannes Berg u8 ap_ht_param; 4009dde6423SJohannes Berg 401b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 402b08fbbd8SJohannes Berg 40339404feeSJouni Malinen u8 fils_nonces[2 * FILS_NONCE_LEN]; 40439404feeSJouni Malinen u8 fils_kek[FILS_MAX_KEK_LEN]; 40539404feeSJouni Malinen size_t fils_kek_len; 40639404feeSJouni Malinen 40766e67e41SJohannes Berg size_t ie_len; 40866e67e41SJohannes Berg u8 ie[]; 40966e67e41SJohannes Berg }; 41066e67e41SJohannes Berg 41102219b3aSJohannes Berg struct ieee80211_sta_tx_tspec { 41202219b3aSJohannes Berg /* timestamp of the first packet in the time slice */ 41302219b3aSJohannes Berg unsigned long time_slice_start; 41402219b3aSJohannes Berg 41502219b3aSJohannes Berg u32 admitted_time; /* in usecs, unlike over the air */ 41602219b3aSJohannes Berg u8 tsid; 41702219b3aSJohannes Berg s8 up; /* signed to be able to invalidate with -1 during teardown */ 41802219b3aSJohannes Berg 41902219b3aSJohannes Berg /* consumed TX time in microseconds in the time slice */ 42002219b3aSJohannes Berg u32 consumed_tx_time; 42102219b3aSJohannes Berg enum { 42202219b3aSJohannes Berg TX_TSPEC_ACTION_NONE = 0, 42302219b3aSJohannes Berg TX_TSPEC_ACTION_DOWNGRADE, 42402219b3aSJohannes Berg TX_TSPEC_ACTION_STOP_DOWNGRADE, 42502219b3aSJohannes Berg } action; 42602219b3aSJohannes Berg bool downgraded; 42702219b3aSJohannes Berg }; 42802219b3aSJohannes Berg 429eb1e011aSJohannes Berg DECLARE_EWMA(beacon_signal, 4, 4) 430338c17aeSJohannes Berg 43146900298SJohannes Berg struct ieee80211_if_managed { 432056cdd59SJohannes Berg struct timer_list timer; 433b291ba11SJohannes Berg struct timer_list conn_mon_timer; 434b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 435c481ec97SSujith struct timer_list chswitch_timer; 436b291ba11SJohannes Berg struct work_struct monitor_work; 437c481ec97SSujith struct work_struct chswitch_work; 4381e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 439882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 44046900298SJohannes Berg 4417ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 442b291ba11SJohannes Berg unsigned long probe_timeout; 443a43abf29SMaxim Levitsky int probe_send_count; 44404ac3c0eSFelix Fietkau bool nullfunc_failed; 445682bd38bSJohannes Berg bool connection_loss; 446b291ba11SJohannes Berg 4470c1ad2caSJohannes Berg struct cfg80211_bss *associated; 44866e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 44966e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 45046900298SJohannes Berg 451a3e2f4b6SMichael Braun u8 bssid[ETH_ALEN] __aligned(2); 45246900298SJohannes Berg 453965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 45405cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 455989c6505SAlexander Bondar bool have_beacon; 456826262c3SJohannes Berg u8 dtim_period; 4570f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 458d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 459d1f5b7a3SJohannes Berg 460d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 461965bedadSJohannes Berg 462d6f2da5bSJiri Slaby unsigned int flags; 463f0706e82SJiri Benc 4640c21e632SLuciano Coelho bool csa_waiting_bcn; 465f84eaa10SJohannes Berg bool csa_ignored_same_chan; 4660c21e632SLuciano Coelho 467d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 468d91f36dbSJohannes Berg u32 beacon_crc; 469d91f36dbSJohannes Berg 4701672c0e3SJohannes Berg bool status_acked; 4711672c0e3SJohannes Berg bool status_received; 4721672c0e3SJohannes Berg __le16 status_fc; 4731672c0e3SJohannes Berg 474fdfacf0aSJouni Malinen enum { 475fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 476fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 477fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 478fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 479fdfacf0aSJouni Malinen 480dc41e4d4SEliad Peller /* 481dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 482dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 483dc41e4d4SEliad Peller * to take effect. 484dc41e4d4SEliad Peller */ 485dc41e4d4SEliad Peller unsigned int uapsd_queues; 486dc41e4d4SEliad Peller 487dc41e4d4SEliad Peller /* 488dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 489dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 490dc41e4d4SEliad Peller * Needs a new association to take effect. 491dc41e4d4SEliad Peller */ 492dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 493dc41e4d4SEliad Peller 494f0706e82SJiri Benc int wmm_last_param_set; 4952e249fc3SShaul Triebitz int mu_edca_last_param_set; 4969bc383deSJohannes Berg 4979bc383deSJohannes Berg u8 use_4addr; 49817e4ec14SJouni Malinen 49967baf663SJanusz Dziedzic s16 p2p_noa_index; 500488dd7b5SJohannes Berg 501338c17aeSJohannes Berg struct ewma_beacon_signal ave_beacon_signal; 50217e4ec14SJouni Malinen 50317e4ec14SJouni Malinen /* 504391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 505391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 506391a200aSJouni Malinen * only on couple of received frames. 507391a200aSJouni Malinen */ 508391a200aSJouni Malinen unsigned int count_beacon_signal; 509391a200aSJouni Malinen 510976bd9efSJohannes Berg /* Number of times beacon loss was invoked. */ 511976bd9efSJohannes Berg unsigned int beacon_loss_count; 512976bd9efSJohannes Berg 513391a200aSJouni Malinen /* 51417e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 51517e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 51617e4ec14SJouni Malinen * generated for the current association. 51717e4ec14SJouni Malinen */ 51817e4ec14SJouni Malinen int last_cqm_event_signal; 519615f7b9bSMeenakshi Venkataraman 520615f7b9bSMeenakshi Venkataraman /* 521615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 522615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 523615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 524615f7b9bSMeenakshi Venkataraman */ 525615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 526615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 527ef96a842SBen Greear 528ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 529ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 530dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ 531dd5ecfeaSJohannes Berg struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ 53281dd2b88SArik Nemtsov 5331277b4a9SLiad Kaufman /* TDLS support */ 53481dd2b88SArik Nemtsov u8 tdls_peer[ETH_ALEN] __aligned(2); 53581dd2b88SArik Nemtsov struct delayed_work tdls_peer_del_work; 5361277b4a9SLiad Kaufman struct sk_buff *orig_teardown_skb; /* The original teardown skb */ 5371277b4a9SLiad Kaufman struct sk_buff *teardown_skb; /* A copy to send through the AP */ 5381277b4a9SLiad Kaufman spinlock_t teardown_lock; /* To lock changing teardown_skb */ 5399041c1faSArik Nemtsov bool tdls_chan_switch_prohibited; 54082c0cc90SArik Nemtsov bool tdls_wider_bw_prohibited; 54102219b3aSJohannes Berg 54202219b3aSJohannes Berg /* WMM-AC TSPEC support */ 54302219b3aSJohannes Berg struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; 54402219b3aSJohannes Berg /* Use a separate work struct so that we can do something here 54502219b3aSJohannes Berg * while the sdata->work is flushing the queues, for example. 54602219b3aSJohannes Berg * otherwise, in scenarios where we hardly get any traffic out 54702219b3aSJohannes Berg * on the BE queue, but there's a lot of VO traffic, we might 54802219b3aSJohannes Berg * get stuck in a downgraded situation and flush takes forever. 54902219b3aSJohannes Berg */ 55002219b3aSJohannes Berg struct delayed_work tx_tspec_wk; 5514d9ec73dSJouni Malinen 5524d9ec73dSJouni Malinen /* Information elements from the last transmitted (Re)Association 5534d9ec73dSJouni Malinen * Request frame. 5544d9ec73dSJouni Malinen */ 5554d9ec73dSJouni Malinen u8 *assoc_req_ies; 5564d9ec73dSJouni Malinen size_t assoc_req_ies_len; 557f0706e82SJiri Benc }; 558f0706e82SJiri Benc 55946900298SJohannes Berg struct ieee80211_if_ibss { 56046900298SJohannes Berg struct timer_list timer; 561cd7760e6SSimon Wunderlich struct work_struct csa_connection_drop_work; 56246900298SJohannes Berg 563af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5645bb644a0SJohannes Berg 565fbd2c8dcSTeemu Paasikivi u32 basic_rates; 566fbd2c8dcSTeemu Paasikivi 567af8cdcd8SJohannes Berg bool fixed_bssid; 568af8cdcd8SJohannes Berg bool fixed_channel; 569fffd0934SJohannes Berg bool privacy; 57046900298SJohannes Berg 571267335d6SAntonio Quartulli bool control_port; 5728e8d347dSSimon Wunderlich bool userspace_handles_dfs; 573267335d6SAntonio Quartulli 5744d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 575af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 576af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 577af8cdcd8SJohannes Berg u8 *ie; 5783aede78aSSimon Wunderlich struct cfg80211_chan_def chandef; 57946900298SJohannes Berg 58046900298SJohannes Berg unsigned long ibss_join_req; 581af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 582c3ffeab4SJohannes Berg struct beacon_data __rcu *presp; 58346900298SJohannes Berg 584822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 585822854b0SSimon Wunderlich struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 586822854b0SSimon Wunderlich 5878bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5888bf11d8dSJohannes Berg struct list_head incomplete_stations; 5898bf11d8dSJohannes Berg 59046900298SJohannes Berg enum { 59146900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 59246900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 59346900298SJohannes Berg } state; 59446900298SJohannes Berg }; 59546900298SJohannes Berg 596dbf498fbSJavier Cardona /** 597239281f8SRostislav Lisovy * struct ieee80211_if_ocb - OCB mode state 598239281f8SRostislav Lisovy * 599239281f8SRostislav Lisovy * @housekeeping_timer: timer for periodic invocation of a housekeeping task 600239281f8SRostislav Lisovy * @wrkq_flags: OCB deferred task action 601239281f8SRostislav Lisovy * @incomplete_lock: delayed STA insertion lock 602239281f8SRostislav Lisovy * @incomplete_stations: list of STAs waiting for delayed insertion 603239281f8SRostislav Lisovy * @joined: indication if the interface is connected to an OCB network 604239281f8SRostislav Lisovy */ 605239281f8SRostislav Lisovy struct ieee80211_if_ocb { 606239281f8SRostislav Lisovy struct timer_list housekeeping_timer; 607239281f8SRostislav Lisovy unsigned long wrkq_flags; 608239281f8SRostislav Lisovy 609239281f8SRostislav Lisovy spinlock_t incomplete_lock; 610239281f8SRostislav Lisovy struct list_head incomplete_stations; 611239281f8SRostislav Lisovy 612239281f8SRostislav Lisovy bool joined; 613239281f8SRostislav Lisovy }; 614239281f8SRostislav Lisovy 615239281f8SRostislav Lisovy /** 616dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 617dbf498fbSJavier Cardona * 618dbf498fbSJavier Cardona * these declarations define the interface, which enables 619dbf498fbSJavier Cardona * vendor-specific mesh synchronization 620dbf498fbSJavier Cardona * 621dbf498fbSJavier Cardona */ 622dbf498fbSJavier Cardona struct ieee802_11_elems; 623dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 624dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 625dbf498fbSJavier Cardona u16 stype, 626dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 627dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 628dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 62943552be1SThomas Pedersen 63043552be1SThomas Pedersen /* should be called with beacon_data under RCU read lock */ 631445cd452SMasashi Honma void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, 63243552be1SThomas Pedersen struct beacon_data *beacon); 633dbf498fbSJavier Cardona /* add other framework functions here */ 634dbf498fbSJavier Cardona }; 635dbf498fbSJavier Cardona 636b8456a14SChun-Yeow Yeoh struct mesh_csa_settings { 637b8456a14SChun-Yeow Yeoh struct rcu_head rcu_head; 638b8456a14SChun-Yeow Yeoh struct cfg80211_csa_settings settings; 639b8456a14SChun-Yeow Yeoh }; 640b8456a14SChun-Yeow Yeoh 641472dbc45SJohannes Berg struct ieee80211_if_mesh { 642472dbc45SJohannes Berg struct timer_list housekeeping_timer; 643472dbc45SJohannes Berg struct timer_list mesh_path_timer; 644e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 645472dbc45SJohannes Berg 64618889231SJavier Cardona unsigned long wrkq_flags; 647f81a9dedSThomas Pedersen unsigned long mbss_changed; 648472dbc45SJohannes Berg 6490ab2e55dSBenjamin Berg bool userspace_handles_dfs; 6500ab2e55dSBenjamin Berg 651472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 652472dbc45SJohannes Berg size_t mesh_id_len; 653472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 6543491707aSRui Paulo u8 mesh_pp_id; 655472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 6563491707aSRui Paulo u8 mesh_pm_id; 657472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 6583491707aSRui Paulo u8 mesh_cc_id; 6599e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 6603491707aSRui Paulo u8 mesh_sp_id; 6619e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 6623491707aSRui Paulo u8 mesh_auth_id; 663d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 664d19b3bf6SRui Paulo u32 sn; 665472dbc45SJohannes Berg /* Last used PREQ ID */ 666472dbc45SJohannes Berg u32 preq_id; 667472dbc45SJohannes Berg atomic_t mpaths; 668d19b3bf6SRui Paulo /* Timestamp of last SN update */ 669d19b3bf6SRui Paulo unsigned long last_sn_update; 670dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 671dca7e943SThomas Pedersen unsigned long next_perr; 672dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 673472dbc45SJohannes Berg unsigned long last_preq; 674472dbc45SJohannes Berg struct mesh_rmc *rmc; 675472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 676472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 677472dbc45SJohannes Berg int preq_queue_len; 678472dbc45SJohannes Berg struct mesh_stats mshstats; 679472dbc45SJohannes Berg struct mesh_config mshcfg; 6801258d976SAshok Nagarajan atomic_t estab_plinks; 681472dbc45SJohannes Berg u32 mesh_seqnum; 682472dbc45SJohannes Berg bool accepting_plinks; 6835ee68e5bSJavier Cardona int num_gates; 6842b5e1967SThomas Pedersen struct beacon_data __rcu *beacon; 685581a8b0fSJavier Cardona const u8 *ie; 686581a8b0fSJavier Cardona u8 ie_len; 687b130e5ceSJavier Cardona enum { 688b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 689b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 690b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 691b130e5ceSJavier Cardona } security; 692a6dad6a2SThomas Pedersen bool user_mpm; 693dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6948ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 695dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 696dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 6973f52b7e3SMarco Porsch /* mesh power save */ 6983f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 6993f52b7e3SMarco Porsch int ps_peers_light_sleep; 7003f52b7e3SMarco Porsch int ps_peers_deep_sleep; 7013f52b7e3SMarco Porsch struct ps_data ps; 7028f2535b9SChun-Yeow Yeoh /* Channel Switching Support */ 703b8456a14SChun-Yeow Yeoh struct mesh_csa_settings __rcu *csa; 7040cb4d4dcSLuciano Coelho enum { 7050cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_NONE, 7060cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_INIT, 7070cb4d4dcSLuciano Coelho IEEE80211_MESH_CSA_ROLE_REPEATER, 7080cb4d4dcSLuciano Coelho } csa_role; 709b8456a14SChun-Yeow Yeoh u8 chsw_ttl; 7108f2535b9SChun-Yeow Yeoh u16 pre_value; 71143552be1SThomas Pedersen 71243552be1SThomas Pedersen /* offset from skb->data while building IE */ 71343552be1SThomas Pedersen int meshconf_offset; 7142bdaf386SBob Copeland 71560854fd9SBob Copeland struct mesh_table *mesh_paths; 71660854fd9SBob Copeland struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */ 7172bdaf386SBob Copeland int mesh_paths_generation; 7182bdaf386SBob Copeland int mpp_paths_generation; 719472dbc45SJohannes Berg }; 720902acc78SJohannes Berg 721902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 722472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 723472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 724902acc78SJohannes Berg #else 725472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 726902acc78SJohannes Berg do { } while (0) 727902acc78SJohannes Berg #endif 728f0706e82SJiri Benc 729213cd118SJohannes Berg /** 730213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 731213cd118SJohannes Berg * 732213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 733213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 734213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 735213cd118SJohannes Berg * associated stations and deliver multicast frames both 736213cd118SJohannes Berg * back to wireless media and to the local net stack. 73795acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 7387b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 739213cd118SJohannes Berg */ 740213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 741213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 7427986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 7437986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 74495acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 7457b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 746213cd118SJohannes Berg }; 747213cd118SJohannes Berg 74834d4bc4dSJohannes Berg /** 74934d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 75034d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 75134d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 75234d4bc4dSJohannes Berg * change handling while the interface is up 7535b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 7545b714c6aSJohannes Berg * mode, so queues are stopped 755d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 756d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 75734d4bc4dSJohannes Berg */ 75834d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 75934d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 7605b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 761d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 76234d4bc4dSJohannes Berg }; 76334d4bc4dSJohannes Berg 764d01a1e65SMichal Kazior /** 765d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 766d01a1e65SMichal Kazior * 767d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 768d01a1e65SMichal Kazior * multiple interfaces 769d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 770d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 771d01a1e65SMichal Kazior * non-fixed channel IBSS. 772d01a1e65SMichal Kazior */ 773d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 774d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 775d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 776d01a1e65SMichal Kazior }; 777d01a1e65SMichal Kazior 7785bcae31dSMichal Kazior /** 7795bcae31dSMichal Kazior * enum ieee80211_chanctx_replace_state - channel context replacement state 7805bcae31dSMichal Kazior * 7815bcae31dSMichal Kazior * This is used for channel context in-place reservations that require channel 7825bcae31dSMichal Kazior * context switch/swap. 7835bcae31dSMichal Kazior * 7845bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place 7855bcae31dSMichal Kazior * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced 7865bcae31dSMichal Kazior * by a (not yet registered) channel context pointed by %replace_ctx. 7875bcae31dSMichal Kazior * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context 7885bcae31dSMichal Kazior * replaces an existing channel context pointed to by %replace_ctx. 7895bcae31dSMichal Kazior */ 7905bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state { 7915bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACE_NONE, 7925bcae31dSMichal Kazior IEEE80211_CHANCTX_WILL_BE_REPLACED, 7935bcae31dSMichal Kazior IEEE80211_CHANCTX_REPLACES_OTHER, 7945bcae31dSMichal Kazior }; 7955bcae31dSMichal Kazior 796d01a1e65SMichal Kazior struct ieee80211_chanctx { 797d01a1e65SMichal Kazior struct list_head list; 798d01a1e65SMichal Kazior struct rcu_head rcu_head; 799d01a1e65SMichal Kazior 800484298adSMichal Kazior struct list_head assigned_vifs; 801e3afb920SMichal Kazior struct list_head reserved_vifs; 802484298adSMichal Kazior 8035bcae31dSMichal Kazior enum ieee80211_chanctx_replace_state replace_state; 8045bcae31dSMichal Kazior struct ieee80211_chanctx *replace_ctx; 8055bcae31dSMichal Kazior 806d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 8078a61af65SJohannes Berg bool driver_present; 808d01a1e65SMichal Kazior 809d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 810d01a1e65SMichal Kazior }; 811d01a1e65SMichal Kazior 81232db6b54SKyeyoon Park struct mac80211_qos_map { 81332db6b54SKyeyoon Park struct cfg80211_qos_map qos_map; 81432db6b54SKyeyoon Park struct rcu_head rcu_head; 81532db6b54SKyeyoon Park }; 81632db6b54SKyeyoon Park 817ba8c3d6fSFelix Fietkau enum txq_info_flags { 818ba8c3d6fSFelix Fietkau IEEE80211_TXQ_STOP, 819ba8c3d6fSFelix Fietkau IEEE80211_TXQ_AMPDU, 8206e0456b5SFelix Fietkau IEEE80211_TXQ_NO_AMSDU, 82121a5d4c3SManikanta Pubbisetty IEEE80211_TXQ_STOP_NETIF_TX, 822ba8c3d6fSFelix Fietkau }; 823ba8c3d6fSFelix Fietkau 824fa962b92SMichal Kazior /** 825fa962b92SMichal Kazior * struct txq_info - per tid queue 826fa962b92SMichal Kazior * 827fa962b92SMichal Kazior * @tin: contains packets split into multiple flows 828fa962b92SMichal Kazior * @def_flow: used as a fallback flow when a packet destined to @tin hashes to 829fa962b92SMichal Kazior * a fq_flow which is already owned by a different tin 8305caa328eSMichal Kazior * @def_cvars: codel vars for @def_flow 831bb42f2d1SToke Høiland-Jørgensen * @frags: used to keep fragments created after dequeue 83218667600SToke Høiland-Jørgensen * @schedule_order: used with ieee80211_local->active_txqs 83318667600SToke Høiland-Jørgensen * @schedule_round: counter to prevent infinite loops on TXQ scheduling 834fa962b92SMichal Kazior */ 835ba8c3d6fSFelix Fietkau struct txq_info { 836fa962b92SMichal Kazior struct fq_tin tin; 837fa962b92SMichal Kazior struct fq_flow def_flow; 8385caa328eSMichal Kazior struct codel_vars def_cvars; 8398d51dbb8SToke Høiland-Jørgensen struct codel_stats cstats; 840bb42f2d1SToke Høiland-Jørgensen struct sk_buff_head frags; 84118667600SToke Høiland-Jørgensen struct list_head schedule_order; 84218667600SToke Høiland-Jørgensen u16 schedule_round; 843ba8c3d6fSFelix Fietkau unsigned long flags; 844ba8c3d6fSFelix Fietkau 845ba8c3d6fSFelix Fietkau /* keep last! */ 846ba8c3d6fSFelix Fietkau struct ieee80211_txq txq; 847ba8c3d6fSFelix Fietkau }; 848ba8c3d6fSFelix Fietkau 849d8212184SAviya Erenfeld struct ieee80211_if_mntr { 850d8212184SAviya Erenfeld u32 flags; 85142bd20d9SAviya Erenfeld u8 mu_follow_addr[ETH_ALEN] __aligned(2); 852f64331d5SJohannes Berg 853f64331d5SJohannes Berg struct list_head list; 854d8212184SAviya Erenfeld }; 855d8212184SAviya Erenfeld 8565953ff6dSAyala Beker /** 8575953ff6dSAyala Beker * struct ieee80211_if_nan - NAN state 8585953ff6dSAyala Beker * 8595953ff6dSAyala Beker * @conf: current NAN configuration 860167e33f4SAyala Beker * @func_ids: a bitmap of available instance_id's 8615953ff6dSAyala Beker */ 8625953ff6dSAyala Beker struct ieee80211_if_nan { 8635953ff6dSAyala Beker struct cfg80211_nan_conf conf; 864167e33f4SAyala Beker 865167e33f4SAyala Beker /* protects function_inst_ids */ 866167e33f4SAyala Beker spinlock_t func_lock; 867167e33f4SAyala Beker struct idr function_inst_ids; 8685953ff6dSAyala Beker }; 8695953ff6dSAyala Beker 870f0706e82SJiri Benc struct ieee80211_sub_if_data { 871f0706e82SJiri Benc struct list_head list; 872f0706e82SJiri Benc 873f0706e82SJiri Benc struct wireless_dev wdev; 874f0706e82SJiri Benc 87511a843b7SJohannes Berg /* keys */ 87611a843b7SJohannes Berg struct list_head key_list; 87711a843b7SJohannes Berg 8783bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 8793bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 8808d1f7ecdSJohannes Berg int crypto_tx_tailroom_pending_dec; 8818d1f7ecdSJohannes Berg struct delayed_work dec_tailroom_needed_wk; 8823bff1865SYogesh Ashok Powar 883f0706e82SJiri Benc struct net_device *dev; 884f0706e82SJiri Benc struct ieee80211_local *local; 885f0706e82SJiri Benc 88613262ffdSJiri Slaby unsigned int flags; 8877e9ed188SDaniel Drake 88834d4bc4dSJohannes Berg unsigned long state; 88934d4bc4dSJohannes Berg 89047846c9bSJohannes Berg char name[IFNAMSIZ]; 89147846c9bSJohannes Berg 892f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 893f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 894f0706e82SJiri Benc unsigned int fragment_next; 895f0706e82SJiri Benc 896b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 897b53be792SSimon Wunderlich u16 noack_map; 898b53be792SSimon Wunderlich 89900e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 90000e96decSYoni Divinsky u8 wmm_acm; 90100e96decSYoni Divinsky 902e5473e80SJouni Malinen struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + 903e5473e80SJouni Malinen NUM_DEFAULT_MGMT_KEYS + 904e5473e80SJouni Malinen NUM_DEFAULT_BEACON_KEYS]; 90540b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 90640b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 90740b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 908e5473e80SJouni Malinen struct ieee80211_key __rcu *default_beacon_key; 909f0706e82SJiri Benc 91094778280SJohannes Berg u16 sequence_number; 911a621fa4dSJohannes Berg __be16 control_port_protocol; 912a621fa4dSJohannes Berg bool control_port_no_encrypt; 9137f3f96ceSMarkus Theil bool control_port_no_preauth; 914018f6fbfSDenis Kenzior bool control_port_over_nl80211; 9152475b1ccSMax Stepanov int encrypt_headroom; 91694778280SJohannes Berg 91780a83cfcSMichal Kazior atomic_t num_tx_queued; 91854bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 91932db6b54SKyeyoon Park struct mac80211_qos_map __rcu *qos_map; 920f6f3def3SEliad Peller 92173da7d5bSSimon Wunderlich struct work_struct csa_finalize_work; 92259af6928SMichal Kazior bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */ 92333787fc4SLuciano Coelho struct cfg80211_chan_def csa_chandef; 92473da7d5bSSimon Wunderlich 925484298adSMichal Kazior struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */ 926e3afb920SMichal Kazior struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */ 927484298adSMichal Kazior 92811335a55SLuciano Coelho /* context reservation -- protected with chanctx_mtx */ 92911335a55SLuciano Coelho struct ieee80211_chanctx *reserved_chanctx; 93011335a55SLuciano Coelho struct cfg80211_chan_def reserved_chandef; 93109332481SMichal Kazior bool reserved_radar_required; 9325bcae31dSMichal Kazior bool reserved_ready; 93311335a55SLuciano Coelho 93404ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 93504ecd257SJohannes Berg struct work_struct recalc_smps; 93604ecd257SJohannes Berg 93764592c8fSJohannes Berg struct work_struct work; 93835f20c14SJohannes Berg struct sk_buff_head skb_queue; 93935f20c14SJohannes Berg 94004ecd257SJohannes Berg u8 needed_rx_chains; 94104ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 94204ecd257SJohannes Berg 9431ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 9441ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 9451ea6f9c0SJohannes Berg 946164eb02dSSimon Wunderlich bool radar_required; 947164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 948164eb02dSSimon Wunderlich 9493e122be0SJohannes Berg /* 9503e122be0SJohannes Berg * AP this belongs to: self in AP mode and 9513e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 9523e122be0SJohannes Berg * all others (might be needed later in IBSS) 9533e122be0SJohannes Berg */ 9543e122be0SJohannes Berg struct ieee80211_if_ap *bss; 9553e122be0SJohannes Berg 95637eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 95757fbcce3SJohannes Berg u32 rc_rateidx_mask[NUM_NL80211_BANDS]; 9582ffbe6d3SFelix Fietkau 95957fbcce3SJohannes Berg bool rc_has_mcs_mask[NUM_NL80211_BANDS]; 96057fbcce3SJohannes Berg u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 961f0706e82SJiri Benc 96257fbcce3SJohannes Berg bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; 96357fbcce3SJohannes Berg u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; 964b119ad6eSLorenzo Bianconi 96508fad438SJouni Malinen /* Beacon frame (non-MCS) rate (as a bitmap) */ 96608fad438SJouni Malinen u32 beacon_rateidx_mask[NUM_NL80211_BANDS]; 96708fad438SJouni Malinen bool beacon_rate_set; 96808fad438SJouni Malinen 969f0706e82SJiri Benc union { 970f0706e82SJiri Benc struct ieee80211_if_ap ap; 971f0706e82SJiri Benc struct ieee80211_if_wds wds; 972f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 97346900298SJohannes Berg struct ieee80211_if_managed mgd; 97446900298SJohannes Berg struct ieee80211_if_ibss ibss; 975472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 976239281f8SRostislav Lisovy struct ieee80211_if_ocb ocb; 977d8212184SAviya Erenfeld struct ieee80211_if_mntr mntr; 9785953ff6dSAyala Beker struct ieee80211_if_nan nan; 979f0706e82SJiri Benc } u; 980e9f207f0SJiri Benc 981e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 982e9f207f0SJiri Benc struct { 983295bafb4SBen Greear struct dentry *subdir_stations; 984f7e0104cSJohannes Berg struct dentry *default_unicast_key; 985f7e0104cSJohannes Berg struct dentry *default_multicast_key; 9863cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 987e5473e80SJouni Malinen struct dentry *default_beacon_key; 9887bcfaf2fSJohannes Berg } debugfs; 989e9f207f0SJiri Benc #endif 990529ba6e9SJohannes Berg 99150ff477aSJohn Crispin bool hw_80211_encap; 99250ff477aSJohn Crispin 99332bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 99432bfd35dSJohannes Berg struct ieee80211_vif vif; 995f0706e82SJiri Benc }; 996f0706e82SJiri Benc 99732bfd35dSJohannes Berg static inline 99832bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 99932bfd35dSJohannes Berg { 100032bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 100132bfd35dSJohannes Berg } 100232bfd35dSJohannes Berg 10038d61ffa5SJohannes Berg static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) 10048d61ffa5SJohannes Berg __acquires(&sdata->wdev.mtx) 10058d61ffa5SJohannes Berg { 10068d61ffa5SJohannes Berg mutex_lock(&sdata->wdev.mtx); 10078d61ffa5SJohannes Berg __acquire(&sdata->wdev.mtx); 10088d61ffa5SJohannes Berg } 10098d61ffa5SJohannes Berg 10108d61ffa5SJohannes Berg static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) 10118d61ffa5SJohannes Berg __releases(&sdata->wdev.mtx) 10128d61ffa5SJohannes Berg { 10138d61ffa5SJohannes Berg mutex_unlock(&sdata->wdev.mtx); 10148d61ffa5SJohannes Berg __release(&sdata->wdev.mtx); 10158d61ffa5SJohannes Berg } 10168d61ffa5SJohannes Berg 10177ca133bcSSimon Wunderlich #define sdata_dereference(p, sdata) \ 10187ca133bcSSimon Wunderlich rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx)) 10197ca133bcSSimon Wunderlich 10208d61ffa5SJohannes Berg static inline void 10218d61ffa5SJohannes Berg sdata_assert_lock(struct ieee80211_sub_if_data *sdata) 10228d61ffa5SJohannes Berg { 10238d61ffa5SJohannes Berg lockdep_assert_held(&sdata->wdev.mtx); 10248d61ffa5SJohannes Berg } 10258d61ffa5SJohannes Berg 1026438b61b7SSimon Wunderlich static inline int 1027438b61b7SSimon Wunderlich ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef) 1028438b61b7SSimon Wunderlich { 1029438b61b7SSimon Wunderlich switch (chandef->width) { 1030438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_5: 1031438b61b7SSimon Wunderlich return 2; 1032438b61b7SSimon Wunderlich case NL80211_CHAN_WIDTH_10: 1033438b61b7SSimon Wunderlich return 1; 1034438b61b7SSimon Wunderlich default: 1035438b61b7SSimon Wunderlich return 0; 1036438b61b7SSimon Wunderlich } 1037438b61b7SSimon Wunderlich } 1038438b61b7SSimon Wunderlich 1039438b61b7SSimon Wunderlich static inline int 1040438b61b7SSimon Wunderlich ieee80211_vif_get_shift(struct ieee80211_vif *vif) 1041438b61b7SSimon Wunderlich { 1042438b61b7SSimon Wunderlich struct ieee80211_chanctx_conf *chanctx_conf; 1043438b61b7SSimon Wunderlich int shift = 0; 1044438b61b7SSimon Wunderlich 1045438b61b7SSimon Wunderlich rcu_read_lock(); 1046438b61b7SSimon Wunderlich chanctx_conf = rcu_dereference(vif->chanctx_conf); 1047438b61b7SSimon Wunderlich if (chanctx_conf) 1048438b61b7SSimon Wunderlich shift = ieee80211_chandef_get_shift(&chanctx_conf->def); 1049438b61b7SSimon Wunderlich rcu_read_unlock(); 1050438b61b7SSimon Wunderlich 1051438b61b7SSimon Wunderlich return shift; 1052438b61b7SSimon Wunderlich } 1053438b61b7SSimon Wunderlich 1054f0706e82SJiri Benc enum { 1055f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 1056f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 1057f0706e82SJiri Benc }; 1058f0706e82SJiri Benc 1059ce7c9111SKalle Valo enum queue_stop_reason { 1060ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 1061520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 106296f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 106396f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 106425420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 10658f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 10666c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 1067445ea4e8SJohannes Berg IEEE80211_QUEUE_STOP_REASON_FLUSH, 1068db67d661SArik Nemtsov IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, 1069b6da911bSLiad Kaufman IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, 1070cca07b00SLuciano Coelho 1071cca07b00SLuciano Coelho IEEE80211_QUEUE_STOP_REASONS, 1072ce7c9111SKalle Valo }; 1073ce7c9111SKalle Valo 107465a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 1075e1e54068SJohannes Berg struct tpt_led_trigger { 1076e1e54068SJohannes Berg char name[32]; 1077e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 1078e1e54068SJohannes Berg unsigned int blink_table_len; 1079e1e54068SJohannes Berg struct timer_list timer; 108034f11cd3SKees Cook struct ieee80211_local *local; 1081e1e54068SJohannes Berg unsigned long prev_traffic; 1082e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 108367408c8cSJohannes Berg unsigned int active, want; 108467408c8cSJohannes Berg bool running; 1085e1e54068SJohannes Berg }; 108665a6538aSLuciano Coelho #endif 1087e1e54068SJohannes Berg 1088142b9f50SHelmut Schaa /** 1089142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 1090142b9f50SHelmut Schaa * 1091142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 1092142b9f50SHelmut Schaa * well be on the operating channel 1093142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 1094142b9f50SHelmut Schaa * determine if we are on the operating channel or not 10958a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 10968a690674SBen Greear * channel. This should not interrupt normal traffic. 10978789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 10988789d459SJohannes Berg * that the scan completed. 10998789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 11008789d459SJohannes Berg * a scan complete for an aborted scan. 1101a754055aSEmmanuel Grumbach * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being 1102a754055aSEmmanuel Grumbach * cancelled. 1103142b9f50SHelmut Schaa */ 1104fbe9c429SHelmut Schaa enum { 1105fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 1106142b9f50SHelmut Schaa SCAN_HW_SCANNING, 11078a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 11088789d459SJohannes Berg SCAN_COMPLETED, 11098789d459SJohannes Berg SCAN_ABORTED, 1110a754055aSEmmanuel Grumbach SCAN_HW_CANCELLED, 1111142b9f50SHelmut Schaa }; 1112142b9f50SHelmut Schaa 1113142b9f50SHelmut Schaa /** 1114142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 1115142b9f50SHelmut Schaa * 1116142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 1117142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 1118142b9f50SHelmut Schaa * operating channel 1119142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 1120142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 112107ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 112207ef03eeSJohannes Berg * send out data 112307ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 1124cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 1125142b9f50SHelmut Schaa */ 1126142b9f50SHelmut Schaa enum mac80211_scan_state { 1127142b9f50SHelmut Schaa SCAN_DECISION, 1128142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 1129142b9f50SHelmut Schaa SCAN_SEND_PROBE, 113007ef03eeSJohannes Berg SCAN_SUSPEND, 113107ef03eeSJohannes Berg SCAN_RESUME, 1132cd2bb512SSam Leffler SCAN_ABORT, 1133fbe9c429SHelmut Schaa }; 1134fbe9c429SHelmut Schaa 1135f0706e82SJiri Benc struct ieee80211_local { 1136f0706e82SJiri Benc /* embed the driver visible part. 1137f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 1138f0706e82SJiri Benc * it first anyway so they become a no-op */ 1139f0706e82SJiri Benc struct ieee80211_hw hw; 1140f0706e82SJiri Benc 1141fa962b92SMichal Kazior struct fq fq; 11425caa328eSMichal Kazior struct codel_vars *cvars; 11435caa328eSMichal Kazior struct codel_params cparams; 1144fa962b92SMichal Kazior 114518667600SToke Høiland-Jørgensen /* protects active_txqs and txqi->schedule_order */ 114618667600SToke Høiland-Jørgensen spinlock_t active_txq_lock[IEEE80211_NUM_ACS]; 114718667600SToke Høiland-Jørgensen struct list_head active_txqs[IEEE80211_NUM_ACS]; 114818667600SToke Høiland-Jørgensen u16 schedule_round[IEEE80211_NUM_ACS]; 114918667600SToke Høiland-Jørgensen 1150b4809e94SToke Høiland-Jørgensen u16 airtime_flags; 11513ace10f5SKan Yan u32 aql_txq_limit_low[IEEE80211_NUM_ACS]; 11523ace10f5SKan Yan u32 aql_txq_limit_high[IEEE80211_NUM_ACS]; 11533ace10f5SKan Yan u32 aql_threshold; 11543ace10f5SKan Yan atomic_t aql_total_pending_airtime; 1155b4809e94SToke Høiland-Jørgensen 1156f0706e82SJiri Benc const struct ieee80211_ops *ops; 1157f0706e82SJiri Benc 115842935ecaSLuis R. Rodriguez /* 115942935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 116042935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 116142935ecaSLuis R. Rodriguez */ 116242935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 116342935ecaSLuis R. Rodriguez 1164e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 1165cca07b00SLuciano Coelho int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; 116696f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 1167ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 116896f5e66eSJohannes Berg 1169f0706e82SJiri Benc int open_count; 11703d30d949SMichael Wu int monitors, cooked_mntrs; 11718cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 11727be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 11737be5086dSJohannes Berg fif_probe_req; 11746cd536feSJohannes Berg bool probe_req_reg; 1175873b1cf6SJouni Malinen bool rx_mcast_action_reg; 11764150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 11773b8d81e0SJohannes Berg 11783ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 11793ffc2a90SJohannes Berg 1180fe57d9f5SJohannes Berg bool use_chanctx; 1181fe57d9f5SJohannes Berg 11823b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 11833b8d81e0SJohannes Berg spinlock_t filter_lock; 11843b8d81e0SJohannes Berg 11853ac64beeSJohannes Berg /* used for uploading changed mc list */ 11863ac64beeSJohannes Berg struct work_struct reconfig_filter; 11873ac64beeSJohannes Berg 11883b8d81e0SJohannes Berg /* aggregated multicast list */ 118922bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 11903b8d81e0SJohannes Berg 1191d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 11925bb644a0SJohannes Berg 11935bb644a0SJohannes Berg /* 11945bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 11955bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 11965bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 11975bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 11985bb644a0SJohannes Berg */ 11995bb644a0SJohannes Berg bool suspended; 12005bb644a0SJohannes Berg 12015bb644a0SJohannes Berg /* 1202ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 1203ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 1204ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 1205ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 1206ceb99fe0SJohannes Berg */ 1207ceb99fe0SJohannes Berg bool resuming; 1208ceb99fe0SJohannes Berg 1209ceb99fe0SJohannes Berg /* 12105bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 12115bb644a0SJohannes Berg * ease timer cancelling etc. 12125bb644a0SJohannes Berg */ 12135bb644a0SJohannes Berg bool quiescing; 12145bb644a0SJohannes Berg 1215ea77f12fSJohannes Berg /* device is started */ 1216ea77f12fSJohannes Berg bool started; 1217ea77f12fSJohannes Berg 121804800adaSArik Nemtsov /* device is during a HW reconfig */ 121904800adaSArik Nemtsov bool in_reconfig; 122004800adaSArik Nemtsov 1221eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 1222eecc4800SJohannes Berg bool wowlan; 1223eecc4800SJohannes Berg 1224164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 1225164eb02dSSimon Wunderlich 122604ecd257SJohannes Berg /* number of RX chains the hardware has */ 122704ecd257SJohannes Berg u8 rx_chains; 122804ecd257SJohannes Berg 122909b4a4faSJohannes Berg /* bitmap of which sbands were copied */ 123009b4a4faSJohannes Berg u8 sband_allocated; 123109b4a4faSJohannes Berg 1232b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 1233f0706e82SJiri Benc 1234f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 1235f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 1236f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 1237f0706e82SJiri Benc * queues increases over the limit. */ 1238f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 1239f0706e82SJiri Benc struct tasklet_struct tasklet; 1240f0706e82SJiri Benc struct sk_buff_head skb_queue; 1241f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 1242f0706e82SJiri Benc 1243f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 124424a8fdadSChristian Lamparter 1245d0709a65SJohannes Berg /* Station data */ 1246d0709a65SJohannes Berg /* 12474d33960bSJohannes Berg * The mutex only protects the list, hash table and 12484d33960bSJohannes Berg * counter, reads are done with RCU. 1249d0709a65SJohannes Berg */ 125034e89507SJohannes Berg struct mutex sta_mtx; 12514d33960bSJohannes Berg spinlock_t tim_lock; 1252d0709a65SJohannes Berg unsigned long num_sta; 12534d33960bSJohannes Berg struct list_head sta_list; 125483e7e4ceSHerbert Xu struct rhltable sta_hash; 1255f0706e82SJiri Benc struct timer_list sta_cleanup; 1256f5ea9120SJohannes Berg int sta_generation; 1257f0706e82SJiri Benc 12582a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1259f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 126021a5d4c3SManikanta Pubbisetty struct tasklet_struct wake_txqs_tasklet; 1261f0706e82SJiri Benc 1262a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1263cd8ffc80SJohannes Berg 1264df140465SJohannes Berg /* number of interfaces with allmulti RX */ 1265df140465SJohannes Berg atomic_t iff_allmultis; 1266f0706e82SJiri Benc 1267f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1268f0706e82SJiri Benc 12695fdb3735SArd Biesheuvel struct arc4_ctx wep_tx_ctx; 12705fdb3735SArd Biesheuvel struct arc4_ctx wep_rx_ctx; 1271f0706e82SJiri Benc u32 wep_iv; 1272f0706e82SJiri Benc 1273c771c9d8SJohannes Berg /* see iface.c */ 127479010420SJohannes Berg struct list_head interfaces; 1275f64331d5SJohannes Berg struct list_head mon_list; /* only that are IFF_UP && !cooked */ 1276c771c9d8SJohannes Berg struct mutex iflist_mtx; 127779010420SJohannes Berg 1278b16bd15cSJohannes Berg /* 1279ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 128096fc6efbSAlexander Wetzel * key pointers and ptk_idx (write access, they're RCU.) 1281b16bd15cSJohannes Berg */ 1282ad0e2b5aSJohannes Berg struct mutex key_mtx; 1283b16bd15cSJohannes Berg 1284a1699b75SJohannes Berg /* mutex for scan and work locking */ 1285a1699b75SJohannes Berg struct mutex mtx; 1286b16bd15cSJohannes Berg 1287c2b13452SJohannes Berg /* Scanning and BSS list */ 1288fbe9c429SHelmut Schaa unsigned long scanning; 12892a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 12905ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 12916ea0a69cSJohannes Berg struct cfg80211_scan_request __rcu *scan_req; 1292c56ef672SDavid Spinadel struct ieee80211_scan_request *hw_scan_req; 12937ca15a0aSSimon Wunderlich struct cfg80211_chan_def scan_chandef; 129457fbcce3SJohannes Berg enum nl80211_band hw_scan_band; 1295f0706e82SJiri Benc int scan_channel_idx; 1296de95a54bSJohannes Berg int scan_ies_len; 1297c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 12987947d3e0SAvraham Stern struct cfg80211_scan_info scan_info; 12998318d78aSJohannes Berg 130085a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 13015260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 13026ea0a69cSJohannes Berg struct cfg80211_sched_scan_request __rcu *sched_scan_req; 1303a344d677SJohannes Berg u8 scan_addr[ETH_ALEN]; 130479f460caSLuciano Coelho 1305df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1306977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1307f0706e82SJiri Benc struct delayed_work scan_work; 1308e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 130955de908aSJohannes Berg /* For backward compatibility only -- do not use */ 1310675a0b04SKarl Beldan struct cfg80211_chan_def _oper_chandef; 1311f0706e82SJiri Benc 1312b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1313b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1314b8bc4b0aSJohannes Berg 1315d01a1e65SMichal Kazior /* channel contexts */ 1316d01a1e65SMichal Kazior struct list_head chanctx_list; 1317d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1318d01a1e65SMichal Kazior 1319c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_LEDS 13208d5c2585SJohannes Berg struct led_trigger tx_led, rx_led, assoc_led, radio_led; 13218d5c2585SJohannes Berg struct led_trigger tpt_led; 13228d5c2585SJohannes Berg atomic_t tx_led_active, rx_led_active, assoc_led_active; 13238d5c2585SJohannes Berg atomic_t radio_led_active, tpt_led_active; 1324c206ca67SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1325c206ca67SJohannes Berg #endif 1326c206ca67SJohannes Berg 1327c206ca67SJohannes Berg #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1328f0706e82SJiri Benc /* SNMP counters */ 1329f0706e82SJiri Benc /* dot11CountersTable */ 1330f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1331f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1332f0706e82SJiri Benc u32 dot11FailedCount; 1333f0706e82SJiri Benc u32 dot11RetryCount; 1334f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1335f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1336f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1337f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1338f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1339f0706e82SJiri Benc 1340f0706e82SJiri Benc /* TX/RX handler statistics */ 1341f0706e82SJiri Benc unsigned int tx_handlers_drop; 1342f0706e82SJiri Benc unsigned int tx_handlers_queued; 1343f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1344f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1345f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1346f0706e82SJiri Benc unsigned int rx_handlers_drop; 1347f0706e82SJiri Benc unsigned int rx_handlers_queued; 1348f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1349f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1350f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1351f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1352f1160434SJohannes Berg unsigned int rx_expand_skb_head_defrag; 1353f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1354f0706e82SJiri Benc unsigned int tx_status_drop; 1355f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1356f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1357f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1358f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1359f0706e82SJiri Benc 1360f0706e82SJiri Benc 1361f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1362f0706e82SJiri Benc * multicast packets for power saving stations 1363f0706e82SJiri Benc */ 1364520eb820SKalle Valo 1365572e0012SKalle Valo bool pspolling; 1366b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1367965bedadSJohannes Berg /* 1368965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1369965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1370965bedadSJohannes Berg */ 1371965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1372520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1373520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1374520eb820SKalle Valo struct timer_list dynamic_ps_timer; 13752b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1376a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1377f0706e82SJiri Benc 1378ff616381SJuuso Oikarinen /* 1379ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1380ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1381ff616381SJuuso Oikarinen */ 1382ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1383ff616381SJuuso Oikarinen 13841ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 13852bf30fabSJohannes Berg 13860f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 13870f78231bSJohannes Berg 1388f2753ddbSJohannes Berg struct work_struct restart_work; 1389f2753ddbSJohannes Berg 1390e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1391e9f207f0SJiri Benc struct local_debugfsdentries { 13924b7679a5SJohannes Berg struct dentry *rcdir; 1393e9f207f0SJiri Benc struct dentry *keys; 1394e9f207f0SJiri Benc } debugfs; 1395276d9e82SJulius Niedworok bool force_tx_status; 1396e9f207f0SJiri Benc #endif 13974e6cbfd0SJohn W. Linville 13982eb278e0SJohannes Berg /* 13992eb278e0SJohannes Berg * Remain-on-channel support 14002eb278e0SJohannes Berg */ 1401aaa016ccSJohannes Berg struct delayed_work roc_work; 14022eb278e0SJohannes Berg struct list_head roc_list; 140321f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 14042eb278e0SJohannes Berg unsigned long hw_roc_start_time; 140550febf6aSJohannes Berg u64 roc_cookie_counter; 140621f83589SJohannes Berg 1407a729cff8SJohannes Berg struct idr ack_status_frames; 1408a729cff8SJohannes Berg spinlock_t ack_status_lock; 1409a729cff8SJohannes Berg 1410f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1411f142c6b9SJohannes Berg 14124b6f1dd6SJohannes Berg /* virtual monitor interface */ 14134b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 14144bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1415e9a21949SLuciano Coelho 1416e9a21949SLuciano Coelho /* extended capabilities provided by mac80211 */ 1417e9a21949SLuciano Coelho u8 ext_capa[8]; 1418c8ff71e6SArik Nemtsov 1419c8ff71e6SArik Nemtsov /* TDLS channel switch */ 1420c8ff71e6SArik Nemtsov struct work_struct tdls_chsw_work; 1421c8ff71e6SArik Nemtsov struct sk_buff_head skb_queue_tdls_chsw; 1422f0706e82SJiri Benc }; 1423f0706e82SJiri Benc 14243e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 14253e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 14263e122be0SJohannes Berg { 14273e122be0SJohannes Berg return netdev_priv(dev); 14283e122be0SJohannes Berg } 14293e122be0SJohannes Berg 143071bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 143171bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 143271bbc994SJohannes Berg { 143371bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 143471bbc994SJohannes Berg } 143571bbc994SJohannes Berg 143621a8e9ddSMohammed Shafi Shajakhan static inline struct ieee80211_supported_band * 143721a8e9ddSMohammed Shafi Shajakhan ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) 143821a8e9ddSMohammed Shafi Shajakhan { 143921a8e9ddSMohammed Shafi Shajakhan struct ieee80211_local *local = sdata->local; 144021a8e9ddSMohammed Shafi Shajakhan struct ieee80211_chanctx_conf *chanctx_conf; 144121a8e9ddSMohammed Shafi Shajakhan enum nl80211_band band; 144221a8e9ddSMohammed Shafi Shajakhan 144321a8e9ddSMohammed Shafi Shajakhan rcu_read_lock(); 144421a8e9ddSMohammed Shafi Shajakhan chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 144521a8e9ddSMohammed Shafi Shajakhan 144656357234SYibo Zhao if (WARN_ON_ONCE(!chanctx_conf)) { 144721a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 144821a8e9ddSMohammed Shafi Shajakhan return NULL; 144921a8e9ddSMohammed Shafi Shajakhan } 145021a8e9ddSMohammed Shafi Shajakhan 145121a8e9ddSMohammed Shafi Shajakhan band = chanctx_conf->def.chan->band; 145221a8e9ddSMohammed Shafi Shajakhan rcu_read_unlock(); 145321a8e9ddSMohammed Shafi Shajakhan 145421a8e9ddSMohammed Shafi Shajakhan return local->hw.wiphy->bands[band]; 145521a8e9ddSMohammed Shafi Shajakhan } 145621a8e9ddSMohammed Shafi Shajakhan 1457c0f17eb9SChun-Yeow Yeoh /* this struct holds the value parsing from channel switch IE */ 1458c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie { 1459c0f17eb9SChun-Yeow Yeoh struct cfg80211_chan_def chandef; 1460c0f17eb9SChun-Yeow Yeoh u8 mode; 1461c0f17eb9SChun-Yeow Yeoh u8 count; 1462c0f17eb9SChun-Yeow Yeoh u8 ttl; 14633f718fd8SChun-Yeow Yeoh u16 pre_value; 14645d55371bSBenjamin Berg u16 reason_code; 1465ee145775SSara Sharon u32 max_switch_time; 1466c0f17eb9SChun-Yeow Yeoh }; 1467c0f17eb9SChun-Yeow Yeoh 1468dd76986bSJohannes Berg /* Parsed Information Elements */ 1469dd76986bSJohannes Berg struct ieee802_11_elems { 14704a3cb702SJohannes Berg const u8 *ie_start; 1471dd76986bSJohannes Berg size_t total_len; 1472dd76986bSJohannes Berg 1473dd76986bSJohannes Berg /* pointers to IEs */ 147453837584SArik Nemtsov const struct ieee80211_tdls_lnkie *lnk_id; 147553837584SArik Nemtsov const struct ieee80211_ch_switch_timing *ch_sw_timing; 14769041c1faSArik Nemtsov const u8 *ext_capab; 14774a3cb702SJohannes Berg const u8 *ssid; 14784a3cb702SJohannes Berg const u8 *supp_rates; 14794a3cb702SJohannes Berg const u8 *ds_params; 14804a3cb702SJohannes Berg const struct ieee80211_tim_ie *tim; 14814a3cb702SJohannes Berg const u8 *challenge; 14824a3cb702SJohannes Berg const u8 *rsn; 1483c0058df7SShaul Triebitz const u8 *rsnx; 14844a3cb702SJohannes Berg const u8 *erp_info; 14854a3cb702SJohannes Berg const u8 *ext_supp_rates; 14864a3cb702SJohannes Berg const u8 *wmm_info; 14874a3cb702SJohannes Berg const u8 *wmm_param; 14884a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_elem; 14894a3cb702SJohannes Berg const struct ieee80211_ht_operation *ht_operation; 14904a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_elem; 14914a3cb702SJohannes Berg const struct ieee80211_vht_operation *vht_operation; 14924a3cb702SJohannes Berg const struct ieee80211_meshconf_ie *mesh_config; 149341cbb0f5SLuca Coelho const u8 *he_cap; 149441cbb0f5SLuca Coelho const struct ieee80211_he_operation *he_operation; 1495ef11a931SJohn Crispin const struct ieee80211_he_spr *he_spr; 149641cbb0f5SLuca Coelho const struct ieee80211_mu_edca_param_set *mu_edca_param_set; 149741cbb0f5SLuca Coelho const u8 *uora_element; 14984a3cb702SJohannes Berg const u8 *mesh_id; 14994a3cb702SJohannes Berg const u8 *peering; 15004a3cb702SJohannes Berg const __le16 *awake_window; 15014a3cb702SJohannes Berg const u8 *preq; 15024a3cb702SJohannes Berg const u8 *prep; 15034a3cb702SJohannes Berg const u8 *perr; 15044a3cb702SJohannes Berg const struct ieee80211_rann_ie *rann; 15054a3cb702SJohannes Berg const struct ieee80211_channel_sw_ie *ch_switch_ie; 1506b4f286a1SJohannes Berg const struct ieee80211_ext_chansw_ie *ext_chansw_ie; 1507b2e506bfSJohannes Berg const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; 1508ee145775SSara Sharon const u8 *max_channel_switch_time; 15094a3cb702SJohannes Berg const u8 *country_elem; 15104a3cb702SJohannes Berg const u8 *pwr_constr_elem; 1511c8d65917SSteinar H. Gunderson const u8 *cisco_dtpc_elem; 151279ba1d89SJohannes Berg const struct ieee80211_timeout_interval_ie *timeout_int; 15134a3cb702SJohannes Berg const u8 *opmode_notif; 151485220d71SJohannes Berg const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; 1515c4de37eeSPeter Oh struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; 1516e38a017bSAvraham Stern const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; 151778ac51f8SSara Sharon const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; 151878ac51f8SSara Sharon const struct ieee80211_bssid_index *bssid_index; 151978ac51f8SSara Sharon u8 max_bssid_indicator; 152078ac51f8SSara Sharon u8 dtim_count; 152178ac51f8SSara Sharon u8 dtim_period; 15222aa485e1SJohn Crispin const struct ieee80211_addba_ext_ie *addba_ext_ie; 1523dd76986bSJohannes Berg 1524dd76986bSJohannes Berg /* length of them, respectively */ 15259041c1faSArik Nemtsov u8 ext_capab_len; 1526dd76986bSJohannes Berg u8 ssid_len; 1527dd76986bSJohannes Berg u8 supp_rates_len; 1528dd76986bSJohannes Berg u8 tim_len; 1529dd76986bSJohannes Berg u8 challenge_len; 1530dd76986bSJohannes Berg u8 rsn_len; 1531c0058df7SShaul Triebitz u8 rsnx_len; 1532dd76986bSJohannes Berg u8 ext_supp_rates_len; 1533dd76986bSJohannes Berg u8 wmm_info_len; 1534dd76986bSJohannes Berg u8 wmm_param_len; 153541cbb0f5SLuca Coelho u8 he_cap_len; 1536dd76986bSJohannes Berg u8 mesh_id_len; 1537dd76986bSJohannes Berg u8 peering_len; 1538dd76986bSJohannes Berg u8 preq_len; 1539dd76986bSJohannes Berg u8 prep_len; 1540dd76986bSJohannes Berg u8 perr_len; 1541dd76986bSJohannes Berg u8 country_elem_len; 154278ac51f8SSara Sharon u8 bssid_index_len; 1543fcff4f10SPaul Stewart 1544fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1545fcff4f10SPaul Stewart bool parse_error; 1546dd76986bSJohannes Berg }; 1547dd76986bSJohannes Berg 1548f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1549f0706e82SJiri Benc struct ieee80211_hw *hw) 1550f0706e82SJiri Benc { 1551f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1552f0706e82SJiri Benc } 1553f0706e82SJiri Benc 1554ba8c3d6fSFelix Fietkau static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) 1555ba8c3d6fSFelix Fietkau { 1556ba8c3d6fSFelix Fietkau return container_of(txq, struct txq_info, txq); 1557ba8c3d6fSFelix Fietkau } 1558f0706e82SJiri Benc 1559bb42f2d1SToke Høiland-Jørgensen static inline bool txq_has_queue(struct ieee80211_txq *txq) 1560bb42f2d1SToke Høiland-Jørgensen { 1561bb42f2d1SToke Høiland-Jørgensen struct txq_info *txqi = to_txq_info(txq); 1562bb42f2d1SToke Høiland-Jørgensen 1563bb42f2d1SToke Høiland-Jørgensen return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); 1564bb42f2d1SToke Høiland-Jørgensen } 1565bb42f2d1SToke Høiland-Jørgensen 1566571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1567571ecf67SJohannes Berg { 1568b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1569571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1570571ecf67SJohannes Berg } 1571571ecf67SJohannes Berg 1572f4bda337SThomas Pedersen static inline bool 1573f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1574f4bda337SThomas Pedersen { 1575f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1576f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1577f4a0f0c5SJohannes Berg if (status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END)) 1578f4a0f0c5SJohannes Berg return true; 1579da6a4352SJohannes Berg /* can't handle non-legacy preamble yet */ 1580f4a0f0c5SJohannes Berg if (status->flag & RX_FLAG_MACTIME_PLCP_START && 1581204a7dbcSAvraham Stern status->encoding == RX_ENC_LEGACY) 1582f4a0f0c5SJohannes Berg return true; 1583f4a0f0c5SJohannes Berg return false; 1584f4bda337SThomas Pedersen } 1585571ecf67SJohannes Berg 158672f15d53SMichael Braun void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); 158772f15d53SMichael Braun void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); 158872f15d53SMichael Braun 158972f15d53SMichael Braun /* This function returns the number of multicast stations connected to this 159072f15d53SMichael Braun * interface. It returns -1 if that number is not tracked, that is for netdevs 159172f15d53SMichael Braun * not in AP or AP_VLAN mode or when using 4addr. 159272f15d53SMichael Braun */ 159372f15d53SMichael Braun static inline int 159472f15d53SMichael Braun ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) 159572f15d53SMichael Braun { 159672f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP) 159772f15d53SMichael Braun return atomic_read(&sdata->u.ap.num_mcast_sta); 159872f15d53SMichael Braun if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) 159972f15d53SMichael Braun return atomic_read(&sdata->u.vlan.num_mcast_sta); 160072f15d53SMichael Braun return -1; 160172f15d53SMichael Braun } 160272f15d53SMichael Braun 1603f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1604f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1605f4bda337SThomas Pedersen unsigned int mpdu_len, 1606f4bda337SThomas Pedersen unsigned int mpdu_offset); 1607e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 16085cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 16099c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 16109c6bd790SJohannes Berg u32 changed); 16110d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 161246900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1613f0706e82SJiri Benc 1614a2fcfccbSJohannes Berg u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); 16155ee00dbdSJohannes Berg int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 16165ee00dbdSJohannes Berg u64 *cookie, gfp_t gfp); 1617a2fcfccbSJohannes Berg 161849ddf8e6SJohannes Berg void ieee80211_check_fast_rx(struct sta_info *sta); 161949ddf8e6SJohannes Berg void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 162049ddf8e6SJohannes Berg void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); 162149ddf8e6SJohannes Berg void ieee80211_clear_fast_rx(struct sta_info *sta); 162249ddf8e6SJohannes Berg 162346900298SJohannes Berg /* STA code */ 16249c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 162577fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 162677fdaa12SJohannes Berg struct cfg80211_auth_request *req); 162777fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 162877fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 162977fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 163063c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 163177fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 163263c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1633572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1634572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 16354a733ef1SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local); 1636ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 16372b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 16381fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 16391fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16401fa57d01SJohannes Berg struct sk_buff *skb); 1641d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1642be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1643afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 16441672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 16451672c0e3SJohannes Berg __le16 fc, bool acked); 16461a1cb744SJohannes Berg void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); 1647b8360ab8SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 164802219b3aSJohannes Berg void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); 16499c6bd790SJohannes Berg 165046900298SJohannes Berg /* IBSS code */ 165146900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 165246900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 16538bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 16548bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1655af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1656af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1657af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 16581fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 16591fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16601fa57d01SJohannes Berg struct sk_buff *skb); 1661cd7760e6SSimon Wunderlich int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, 1662cd7760e6SSimon Wunderlich struct cfg80211_csa_settings *csa_settings); 1663cd7760e6SSimon Wunderlich int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata); 1664cd7760e6SSimon Wunderlich void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); 16651fa57d01SJohannes Berg 1666239281f8SRostislav Lisovy /* OCB code */ 1667239281f8SRostislav Lisovy void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); 1668239281f8SRostislav Lisovy void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, 1669239281f8SRostislav Lisovy const u8 *bssid, const u8 *addr, u32 supp_rates); 1670239281f8SRostislav Lisovy void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); 1671239281f8SRostislav Lisovy int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, 1672239281f8SRostislav Lisovy struct ocb_setup *setup); 1673239281f8SRostislav Lisovy int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); 1674239281f8SRostislav Lisovy 16751fa57d01SJohannes Berg /* mesh code */ 16761fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 16771fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 16781fa57d01SJohannes Berg struct sk_buff *skb); 1679b8456a14SChun-Yeow Yeoh int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, 168066e01cf9SLuciano Coelho struct cfg80211_csa_settings *csa_settings); 1681b8456a14SChun-Yeow Yeoh int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata); 168246900298SJohannes Berg 16839c6bd790SJohannes Berg /* scan/BSS handling */ 168446900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 168534bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1686be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 168776bed0f4SJanusz.Dziedzic@tieto.com struct ieee80211_channel **channels, 168876bed0f4SJanusz.Dziedzic@tieto.com unsigned int n_channels, 16897ca15a0aSSimon Wunderlich enum nl80211_bss_scan_width scan_width); 1690c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 16912a519311SJohannes Berg struct cfg80211_scan_request *req); 16925bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1693133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1694d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 16959c6bd790SJohannes Berg 16960a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1697c2b13452SJohannes Berg struct ieee80211_bss * 169898c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 169998c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 170098c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 170198c8fccfSJohannes Berg size_t len, 1702d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 170398c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1704c2b13452SJohannes Berg struct ieee80211_bss *bss); 1705ee385855SLuis Carlos Cobo 170679f460caSLuciano Coelho /* scheduled scan handling */ 1707d43c6b6eSDavid Spinadel int 1708d43c6b6eSDavid Spinadel __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 1709d43c6b6eSDavid Spinadel struct cfg80211_sched_scan_request *req); 171079f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 171179f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 17120d440ea2SEliad Peller int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); 1713f6837ba8SJohannes Berg void ieee80211_sched_scan_end(struct ieee80211_local *local); 171485a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 171579f460caSLuciano Coelho 1716a2fcfccbSJohannes Berg /* off-channel/mgmt-tx */ 1717aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1718aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 17192eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 17202eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 1721c8f994eeSJohannes Berg void ieee80211_roc_purge(struct ieee80211_local *local, 1722c8f994eeSJohannes Berg struct ieee80211_sub_if_data *sdata); 1723a2fcfccbSJohannes Berg int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 1724a2fcfccbSJohannes Berg struct ieee80211_channel *chan, 1725a2fcfccbSJohannes Berg unsigned int duration, u64 *cookie); 1726a2fcfccbSJohannes Berg int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1727a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1728a2fcfccbSJohannes Berg int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1729a2fcfccbSJohannes Berg struct cfg80211_mgmt_tx_params *params, u64 *cookie); 1730a2fcfccbSJohannes Berg int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1731a2fcfccbSJohannes Berg struct wireless_dev *wdev, u64 cookie); 1732b203ffc3SJouni Malinen 173373da7d5bSSimon Wunderlich /* channel switch handling */ 173473da7d5bSSimon Wunderlich void ieee80211_csa_finalize_work(struct work_struct *work); 173582a8e17dSLuciano Coelho int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 173682a8e17dSLuciano Coelho struct cfg80211_csa_settings *params); 173773da7d5bSSimon Wunderlich 17383e122be0SJohannes Berg /* interface handling */ 173907b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \ 174007b83d2eSJohannes Berg NETIF_F_HW_CSUM | NETIF_F_SG | \ 174107b83d2eSJohannes Berg NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE) 174207b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM) 174307b83d2eSJohannes Berg #define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \ 174407b83d2eSJohannes Berg MAC80211_SUPPORTED_FEATURES_RX) 174507b83d2eSJohannes Berg 174647846c9bSJohannes Berg int ieee80211_iface_init(void); 174747846c9bSJohannes Berg void ieee80211_iface_exit(void); 17483e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 17496bab2e19STom Gundersen unsigned char name_assign_type, 175084efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1751ee385855SLuis Carlos Cobo struct vif_params *params); 1752f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 175305c914feSJohannes Berg enum nl80211_iftype type); 1754f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 175575636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 1756382a103bSJohannes Berg u32 ieee80211_idle_off(struct ieee80211_local *local); 17575cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 175885416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 175985416a4fSChristian Lamparter const int offset); 1760f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1761f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 17623c3e21e7SJohannes Berg int ieee80211_add_virtual_monitor(struct ieee80211_local *local); 17633c3e21e7SJohannes Berg void ieee80211_del_virtual_monitor(struct ieee80211_local *local); 1764f0706e82SJiri Benc 17651ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 1766db82d8a9SLorenzo Bianconi void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, 1767db82d8a9SLorenzo Bianconi bool update_bss); 17681ea6f9c0SJohannes Berg 17699607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 17709607e6b6SJohannes Berg { 177134d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 17729607e6b6SJohannes Berg } 17739607e6b6SJohannes Berg 1774e2ebc74dSJohannes Berg /* tx handling */ 1775e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1776e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1777d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1778d0cf9c0dSStephen Hemminger struct net_device *dev); 1779d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1780d0cf9c0dSStephen Hemminger struct net_device *dev); 178150ff477aSJohn Crispin netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, 178250ff477aSJohn Crispin struct net_device *dev); 178324d342c5SLiad Kaufman void __ieee80211_subif_start_xmit(struct sk_buff *skb, 178424d342c5SLiad Kaufman struct net_device *dev, 178506016772SRajkumar Manoharan u32 info_flags, 1786a7528198SMarkus Theil u32 ctrl_flags, 1787a7528198SMarkus Theil u64 *cookie); 17881f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 17891f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 17907528ec57SJohannes Berg struct sk_buff * 17917528ec57SJohannes Berg ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, 17927528ec57SJohannes Berg struct sk_buff *skb, u32 info_flags); 17934dc792b8SHelmut Schaa void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, 17944dc792b8SHelmut Schaa struct ieee80211_supported_band *sband, 1795b7b2e8caSJohn Crispin int retry_count, int shift, bool send_to_cooked, 1796b7b2e8caSJohn Crispin struct ieee80211_tx_status *status); 1797e2ebc74dSJohannes Berg 179817c18bf8SJohannes Berg void ieee80211_check_fast_xmit(struct sta_info *sta); 179917c18bf8SJohannes Berg void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); 180017c18bf8SJohannes Berg void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 180117c18bf8SJohannes Berg void ieee80211_clear_fast_xmit(struct sta_info *sta); 180291180649SDenis Kenzior int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, 180391180649SDenis Kenzior const u8 *buf, size_t len, 1804dca9ca2dSMarkus Theil const u8 *dest, __be16 proto, bool unencrypted, 1805dca9ca2dSMarkus Theil u64 *cookie); 18068828f81aSRajkumar Manoharan int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, 18078828f81aSRajkumar Manoharan const u8 *buf, size_t len); 180817c18bf8SJohannes Berg 1809de1ede7aSJohannes Berg /* HT */ 1810ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1811ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1812e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1813ef96a842SBen Greear struct ieee80211_supported_band *sband, 18144a3cb702SJohannes Berg const struct ieee80211_ht_cap *ht_cap_ie, 1815e1a0c6b3SJohannes Berg struct sta_info *sta); 1816b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1817b8695a8fSJohannes Berg const u8 *da, u16 tid, 1818b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 18190f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 18200f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 18210f78231bSJohannes Berg const u8 *bssid); 1822687da132SEmmanuel Grumbach void ieee80211_request_smps_ap_work(struct work_struct *work); 1823687da132SEmmanuel Grumbach void ieee80211_request_smps_mgd_work(struct work_struct *work); 1824687da132SEmmanuel Grumbach bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old, 1825687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode_new); 1826de1ede7aSJohannes Berg 18277c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 182853f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1829849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 183053f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1831bde59c47SJohannes Berg void ___ieee80211_start_rx_ba_session(struct sta_info *sta, 1832bde59c47SJohannes Berg u8 dialog_token, u16 timeout, 1833bde59c47SJohannes Berg u16 start_seq_num, u16 ba_policy, u16 tid, 18342ab45876SJohn Crispin u16 buf_size, bool tx, bool auto_seq, 18352ab45876SJohn Crispin const struct ieee80211_addba_ext_ie *addbaext); 1836c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1837c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1838de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1839de1ede7aSJohannes Berg struct sta_info *sta, 1840de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1841de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1842de1ede7aSJohannes Berg struct sta_info *sta, 1843de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1844de1ede7aSJohannes Berg size_t len); 1845de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1846de1ede7aSJohannes Berg struct sta_info *sta, 1847de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1848de1ede7aSJohannes Berg size_t len); 1849de1ede7aSJohannes Berg 1850849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1851c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 185267c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1853c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 18547a7c0a64SJohannes Berg void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, 18557a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 18567a7c0a64SJohannes Berg void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, 18577a7c0a64SJohannes Berg struct tid_ampdu_tx *tid_tx); 185867c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 185967c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 18602bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1861849b7967SJohannes Berg 186204ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 186357566b20Stamizhr@codeaurora.org enum nl80211_smps_mode 186457566b20Stamizhr@codeaurora.org ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps); 186504ecd257SJohannes Berg 1866818255eaSMahesh Palivela /* VHT */ 18674a3cb702SJohannes Berg void 18684a3cb702SJohannes Berg ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1869818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 18704a3cb702SJohannes Berg const struct ieee80211_vht_cap *vht_cap_ie, 18714a34215eSJohannes Berg struct sta_info *sta); 18721c45c5ceSEliad Peller enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta); 1873e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 18748921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 187559021c67SArik Nemtsov enum ieee80211_sta_rx_bandwidth 187659021c67SArik Nemtsov ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); 187759021c67SArik Nemtsov enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta); 187859021c67SArik Nemtsov void ieee80211_sta_set_rx_nss(struct sta_info *sta); 187923a1f8d4SSara Sharon void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, 188023a1f8d4SSara Sharon struct ieee80211_mgmt *mgmt); 1881b1bce14aSMarek Kwaczynski u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 1882b1bce14aSMarek Kwaczynski struct sta_info *sta, u8 opmode, 188357fbcce3SJohannes Berg enum nl80211_band band); 18840af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 18850af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 188657fbcce3SJohannes Berg enum nl80211_band band); 1887dd5ecfeaSJohannes Berg void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, 1888dd5ecfeaSJohannes Berg struct ieee80211_sta_vht_cap *vht_cap); 1889b119ad6eSLorenzo Bianconi void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, 1890b119ad6eSLorenzo Bianconi u16 vht_mask[NL80211_VHT_NSS_MAX]); 189197f5f425Stamizhr@codeaurora.org enum nl80211_chan_width 189297f5f425Stamizhr@codeaurora.org ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta); 18934a34215eSJohannes Berg 189441cbb0f5SLuca Coelho /* HE */ 189541cbb0f5SLuca Coelho void 189641cbb0f5SLuca Coelho ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 189741cbb0f5SLuca Coelho struct ieee80211_supported_band *sband, 189841cbb0f5SLuca Coelho const u8 *he_cap_ie, u8 he_cap_len, 189941cbb0f5SLuca Coelho struct sta_info *sta); 19001ced169cSJohn Crispin void 19011ced169cSJohn Crispin ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, 19021ced169cSJohn Crispin const struct ieee80211_he_spr *he_spr_ie_elem); 190341cbb0f5SLuca Coelho 1904697f6c50SJohn Crispin void 1905697f6c50SJohn Crispin ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif, 1906697f6c50SJohn Crispin const struct ieee80211_he_operation *he_op_ie_elem); 1907697f6c50SJohn Crispin 190839192c0bSJohannes Berg /* Spectrum management */ 190939192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 191039192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 191139192c0bSJohannes Berg size_t len); 1912e6b7cde4SSimon Wunderlich /** 1913e6b7cde4SSimon Wunderlich * ieee80211_parse_ch_switch_ie - parses channel switch IEs 1914e6b7cde4SSimon Wunderlich * @sdata: the sdata of the interface which has received the frame 1915e6b7cde4SSimon Wunderlich * @elems: parsed 802.11 elements received with the frame 1916e6b7cde4SSimon Wunderlich * @current_band: indicates the current band 1917e6b7cde4SSimon Wunderlich * @sta_flags: contains information about own capabilities and restrictions 1918e6b7cde4SSimon Wunderlich * to decide which channel switch announcements can be accepted. Only the 1919e6b7cde4SSimon Wunderlich * following subset of &enum ieee80211_sta_flags are evaluated: 1920e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT, 1921e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ, 1922e6b7cde4SSimon Wunderlich * %IEEE80211_STA_DISABLE_160MHZ. 1923e6b7cde4SSimon Wunderlich * @bssid: the currently connected bssid (for reporting) 1924c0f17eb9SChun-Yeow Yeoh * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. 1925c0f17eb9SChun-Yeow Yeoh All of them will be filled with if success only. 1926e6b7cde4SSimon Wunderlich * Return: 0 on success, <0 on error and >0 if there is nothing to parse. 1927e6b7cde4SSimon Wunderlich */ 1928e6b7cde4SSimon Wunderlich int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, 192984469a45SLuciano Coelho struct ieee802_11_elems *elems, 193057fbcce3SJohannes Berg enum nl80211_band current_band, 1931c0f17eb9SChun-Yeow Yeoh u32 sta_flags, u8 *bssid, 1932c0f17eb9SChun-Yeow Yeoh struct ieee80211_csa_ie *csa_ie); 193339192c0bSJohannes Berg 1934f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1935f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 193684f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1937f2753ddbSJohannes Berg 1938eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1939eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1940f2753ddbSJohannes Berg 1941f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1942f2753ddbSJohannes Berg { 194385f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 194485f72bc8SJohn W. Linville 19459120d94eSLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && 19469120d94eSLuciano Coelho !test_bit(SCAN_COMPLETED, &local->scanning), 194785f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 194885f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 194985f72bc8SJohn W. Linville 1950f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1951f2753ddbSJohannes Berg } 1952665af4fcSBob Copeland 1953c2d1560aSJohannes Berg /* utility functions/constants */ 19548a47cea7SJohannes Berg extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ 195557fbcce3SJohannes Berg int ieee80211_frame_duration(enum nl80211_band band, size_t len, 1956438b61b7SSimon Wunderlich int rate, int erp, int short_preamble, 1957438b61b7SSimon Wunderlich int shift); 1958e552af05SHaim Dreyfuss void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, 1959e552af05SHaim Dreyfuss struct ieee80211_tx_queue_params *qparam, 1960e552af05SHaim Dreyfuss int ac); 19613abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 1962cec66283SJohannes Berg bool bss_notify, bool enable_qos); 19637c10770fSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 1964b9771d41SJohannes Berg struct sta_info *sta, struct sk_buff *skb, 1965b9771d41SJohannes Berg u32 txdata_flags); 1966cf6bb79aSHelmut Schaa 196755de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 196855de908aSJohannes Berg struct sk_buff *skb, int tid, 1969b9771d41SJohannes Berg enum nl80211_band band, u32 txdata_flags); 197055de908aSJohannes Berg 197150ff477aSJohn Crispin /* sta_out needs to be checked for ERR_PTR() before using */ 197250ff477aSJohn Crispin int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, 197350ff477aSJohn Crispin struct sk_buff *skb, 197450ff477aSJohn Crispin struct sta_info **sta_out); 197550ff477aSJohn Crispin 197655de908aSJohannes Berg static inline void 197755de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 197855de908aSJohannes Berg struct sk_buff *skb, int tid, 1979b9771d41SJohannes Berg enum nl80211_band band, u32 txdata_flags) 198055de908aSJohannes Berg { 198155de908aSJohannes Berg rcu_read_lock(); 1982b9771d41SJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band, txdata_flags); 198355de908aSJohannes Berg rcu_read_unlock(); 198455de908aSJohannes Berg } 198555de908aSJohannes Berg 198655de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 198755de908aSJohannes Berg struct sk_buff *skb, int tid) 198855de908aSJohannes Berg { 198955de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 199055de908aSJohannes Berg 199155de908aSJohannes Berg rcu_read_lock(); 199255de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 199355de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 199455de908aSJohannes Berg rcu_read_unlock(); 199555de908aSJohannes Berg kfree_skb(skb); 199655de908aSJohannes Berg return; 199755de908aSJohannes Berg } 199855de908aSJohannes Berg 199955de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 2000b9771d41SJohannes Berg chanctx_conf->def.chan->band, 0); 200155de908aSJohannes Berg rcu_read_unlock(); 200255de908aSJohannes Berg } 200355de908aSJohannes Berg 200455de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 2005cf6bb79aSHelmut Schaa struct sk_buff *skb) 2006cf6bb79aSHelmut Schaa { 2007cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 2008cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 2009cf6bb79aSHelmut Schaa } 2010cf6bb79aSHelmut Schaa 201135d865afSJohannes Berg u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 2012d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 20134abb52a4SSara Sharon u64 filter, u32 crc, u8 *transmitter_bssid, 20144abb52a4SSara Sharon u8 *bss_bssid); 201535d865afSJohannes Berg static inline void ieee802_11_parse_elems(const u8 *start, size_t len, 201635d865afSJohannes Berg bool action, 20174abb52a4SSara Sharon struct ieee802_11_elems *elems, 20184abb52a4SSara Sharon u8 *transmitter_bssid, 20194abb52a4SSara Sharon u8 *bss_bssid) 2020ddc4db2eSJohannes Berg { 20214abb52a4SSara Sharon ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0, 20224abb52a4SSara Sharon transmitter_bssid, bss_bssid); 2023ddc4db2eSJohannes Berg } 2024ddc4db2eSJohannes Berg 202583eb935eSMichal Kazior 202602219b3aSJohannes Berg extern const int ieee802_1d_to_ac[8]; 202702219b3aSJohannes Berg 202802219b3aSJohannes Berg static inline int ieee80211_ac_from_tid(int tid) 202902219b3aSJohannes Berg { 203002219b3aSJohannes Berg return ieee802_1d_to_ac[tid & 7]; 203102219b3aSJohannes Berg } 203202219b3aSJohannes Berg 2033520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 2034520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 203534f11cd3SKees Cook void ieee80211_dynamic_ps_timer(struct timer_list *t); 2036a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 2037a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 2038076cdcb1SJohannes Berg bool powersave); 20393cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 20403cf335d5SKalle Valo struct ieee80211_hdr *hdr); 20414e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 204202219b3aSJohannes Berg struct ieee80211_hdr *hdr, bool ack, u16 tx_time); 2043520eb820SKalle Valo 2044ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 2045445ea4e8SJohannes Berg unsigned long queues, 2046cca07b00SLuciano Coelho enum queue_stop_reason reason, 2047cca07b00SLuciano Coelho bool refcounted); 204826da23b6SLuciano Coelho void ieee80211_stop_vif_queues(struct ieee80211_local *local, 204926da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 205026da23b6SLuciano Coelho enum queue_stop_reason reason); 205126da23b6SLuciano Coelho void ieee80211_wake_vif_queues(struct ieee80211_local *local, 205226da23b6SLuciano Coelho struct ieee80211_sub_if_data *sdata, 205326da23b6SLuciano Coelho enum queue_stop_reason reason); 2054ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 2055445ea4e8SJohannes Berg unsigned long queues, 2056cca07b00SLuciano Coelho enum queue_stop_reason reason, 2057cca07b00SLuciano Coelho bool refcounted); 205896f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 2059cca07b00SLuciano Coelho enum queue_stop_reason reason, 2060cca07b00SLuciano Coelho bool refcounted); 206196f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 2062cca07b00SLuciano Coelho enum queue_stop_reason reason, 2063cca07b00SLuciano Coelho bool refcounted); 20643a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 20658f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 20668f77f384SJohannes Berg struct sk_buff *skb); 2067e3685e03SJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 2068e3685e03SJohannes Berg struct sk_buff_head *skbs); 206939ecc01dSJohannes Berg void ieee80211_flush_queues(struct ieee80211_local *local, 20703b24f4c6SEmmanuel Grumbach struct ieee80211_sub_if_data *sdata, bool drop); 20714f9610d5SLiad Kaufman void __ieee80211_flush_queues(struct ieee80211_local *local, 20724f9610d5SLiad Kaufman struct ieee80211_sub_if_data *sdata, 20733b24f4c6SEmmanuel Grumbach unsigned int queues, bool drop); 2074ce7c9111SKalle Valo 20754afaff17SEmmanuel Grumbach static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) 20764afaff17SEmmanuel Grumbach { 20774afaff17SEmmanuel Grumbach /* 2078f8891461SNaftali Goldstein * It's unsafe to try to do any work during reconfigure flow. 2079f8891461SNaftali Goldstein * When the flow ends the work will be requeued. 2080f8891461SNaftali Goldstein */ 2081f8891461SNaftali Goldstein if (local->in_reconfig) 2082f8891461SNaftali Goldstein return false; 2083f8891461SNaftali Goldstein 2084f8891461SNaftali Goldstein /* 20854afaff17SEmmanuel Grumbach * If quiescing is set, we are racing with __ieee80211_suspend. 20864afaff17SEmmanuel Grumbach * __ieee80211_suspend flushes the workers after setting quiescing, 20874afaff17SEmmanuel Grumbach * and we check quiescing / suspended before enqueing new workers. 20884afaff17SEmmanuel Grumbach * We should abort the worker to avoid the races below. 20894afaff17SEmmanuel Grumbach */ 20904afaff17SEmmanuel Grumbach if (local->quiescing) 20914afaff17SEmmanuel Grumbach return false; 20924afaff17SEmmanuel Grumbach 20934afaff17SEmmanuel Grumbach /* 20944afaff17SEmmanuel Grumbach * We might already be suspended if the following scenario occurs: 20954afaff17SEmmanuel Grumbach * __ieee80211_suspend Control path 20964afaff17SEmmanuel Grumbach * 20974afaff17SEmmanuel Grumbach * if (local->quiescing) 20984afaff17SEmmanuel Grumbach * return; 20994afaff17SEmmanuel Grumbach * local->quiescing = true; 21004afaff17SEmmanuel Grumbach * flush_workqueue(); 21014afaff17SEmmanuel Grumbach * queue_work(...); 21024afaff17SEmmanuel Grumbach * local->suspended = true; 21034afaff17SEmmanuel Grumbach * local->quiescing = false; 21044afaff17SEmmanuel Grumbach * worker starts running... 21054afaff17SEmmanuel Grumbach */ 21064afaff17SEmmanuel Grumbach if (local->suspended) 21074afaff17SEmmanuel Grumbach return false; 21084afaff17SEmmanuel Grumbach 21094afaff17SEmmanuel Grumbach return true; 21104afaff17SEmmanuel Grumbach } 21114afaff17SEmmanuel Grumbach 2112fa962b92SMichal Kazior int ieee80211_txq_setup_flows(struct ieee80211_local *local); 21132fe4a29aSToke Høiland-Jørgensen void ieee80211_txq_set_params(struct ieee80211_local *local); 2114fa962b92SMichal Kazior void ieee80211_txq_teardown_flows(struct ieee80211_local *local); 2115fa962b92SMichal Kazior void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, 2116ba8c3d6fSFelix Fietkau struct sta_info *sta, 2117ba8c3d6fSFelix Fietkau struct txq_info *txq, int tid); 2118fa962b92SMichal Kazior void ieee80211_txq_purge(struct ieee80211_local *local, 2119fa962b92SMichal Kazior struct txq_info *txqi); 21202a9e2579SJohannes Berg void ieee80211_txq_remove_vlan(struct ieee80211_local *local, 21212a9e2579SJohannes Berg struct ieee80211_sub_if_data *sdata); 21222fe4a29aSToke Høiland-Jørgensen void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 21232fe4a29aSToke Høiland-Jørgensen struct txq_info *txqi); 212421a5d4c3SManikanta Pubbisetty void ieee80211_wake_txqs(unsigned long data); 212546900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 2126700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 21274a3cb702SJohannes Berg const u8 *extra, size_t extra_len, const u8 *bssid, 21281672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 21291672c0e3SJohannes Berg u32 tx_flags); 21306ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 21314b08d1b6SJohannes Berg const u8 *da, const u8 *bssid, 21324b08d1b6SJohannes Berg u16 stype, u16 reason, 21336ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 213400387f32SJohannes Berg 213500387f32SJohannes Berg enum { 213600387f32SJohannes Berg IEEE80211_PROBE_FLAG_DIRECTED = BIT(0), 2137b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1), 2138b9771d41SJohannes Berg IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2), 213900387f32SJohannes Berg }; 214000387f32SJohannes Berg 2141de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 2142c56ef672SDavid Spinadel size_t buffer_len, 2143c56ef672SDavid Spinadel struct ieee80211_scan_ies *ie_desc, 2144c56ef672SDavid Spinadel const u8 *ie, size_t ie_len, 2145c56ef672SDavid Spinadel u8 bands_used, u32 *rate_masks, 214600387f32SJohannes Berg struct cfg80211_chan_def *chandef, 214700387f32SJohannes Berg u32 flags); 2148a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 2149a344d677SJohannes Berg const u8 *src, const u8 *dst, 2150a344d677SJohannes Berg u32 ratemask, 21516b77863bSJohannes Berg struct ieee80211_channel *chan, 2152a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 2153a806c558SPaul Stewart const u8 *ie, size_t ie_len, 215400387f32SJohannes Berg u32 flags); 21552103dec1SSimon Wunderlich u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, 215646900298SJohannes Berg struct ieee802_11_elems *elems, 215757fbcce3SJohannes Berg enum nl80211_band band, u32 *basic_rates); 2158687da132SEmmanuel Grumbach int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2159687da132SEmmanuel Grumbach enum ieee80211_smps_mode smps_mode); 216004ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 216121f659bfSEliad Peller void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); 216246900298SJohannes Berg 21638e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 2164ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 216542e7aa77SAlexander Simon u16 cap); 2166074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 21674bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 216857f255f5SArik Nemtsov u16 prot_mode, bool rifs_mode); 216975d627d5SSimon Wunderlich void ieee80211_ie_build_wide_bw_cs(u8 *pos, 217075d627d5SSimon Wunderlich const struct cfg80211_chan_def *chandef); 2171ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2172ba0afa2fSMahesh Palivela u32 cap); 2173fb28ec0cSArik Nemtsov u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 2174fb28ec0cSArik Nemtsov const struct cfg80211_chan_def *chandef); 217560ad72daSSven Eckelmann u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype); 217641cbb0f5SLuca Coelho u8 *ieee80211_ie_build_he_cap(u8 *pos, 217741cbb0f5SLuca Coelho const struct ieee80211_sta_he_cap *he_cap, 217841cbb0f5SLuca Coelho u8 *end); 217960ad72daSSven Eckelmann u8 *ieee80211_ie_build_he_oper(u8 *pos); 21802103dec1SSimon Wunderlich int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, 21812103dec1SSimon Wunderlich const struct ieee80211_supported_band *sband, 21822103dec1SSimon Wunderlich const u8 *srates, int srates_len, u32 *rates); 2183fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 21846b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 218557fbcce3SJohannes Berg enum nl80211_band band); 2186fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 21876b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 218857fbcce3SJohannes Berg enum nl80211_band band); 218940b861a0SArik Nemtsov u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); 21908e664fb3SJohannes Berg 2191f444de05SJohannes Berg /* channel management */ 21928ac3c704SJohannes Berg bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, 21934bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 21947eb26df2SJohannes Berg bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, 21957eb26df2SJohannes Berg const struct ieee80211_vht_operation *oper, 21967eb26df2SJohannes Berg const struct ieee80211_ht_operation *htop, 2197abcff6efSJanusz.Dziedzic@tieto.com struct cfg80211_chan_def *chandef); 2198e6b7cde4SSimon Wunderlich u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c); 2199f444de05SJohannes Berg 2200d01a1e65SMichal Kazior int __must_check 2201d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 22024bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 2203d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 22042c9b7359SJohannes Berg int __must_check 220511335a55SLuciano Coelho ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata, 220611335a55SLuciano Coelho const struct cfg80211_chan_def *chandef, 220709332481SMichal Kazior enum ieee80211_chanctx_mode mode, 220809332481SMichal Kazior bool radar_required); 220911335a55SLuciano Coelho int __must_check 22105bcae31dSMichal Kazior ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata); 221111335a55SLuciano Coelho int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata); 221211335a55SLuciano Coelho 221311335a55SLuciano Coelho int __must_check 22142c9b7359SJohannes Berg ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, 22152c9b7359SJohannes Berg const struct cfg80211_chan_def *chandef, 22162c9b7359SJohannes Berg u32 *changed); 2217d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 22184d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 22191f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 22201f4ac5a6SJohannes Berg bool clear); 2221c0166da9SMichal Kazior int ieee80211_chanctx_refcount(struct ieee80211_local *local, 2222c0166da9SMichal Kazior struct ieee80211_chanctx *ctx); 2223d01a1e65SMichal Kazior 222404ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 222504ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 222621f659bfSEliad Peller void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, 222721f659bfSEliad Peller struct ieee80211_chanctx *ctx); 22285cbc95a7SEliad Peller bool ieee80211_is_radar_required(struct ieee80211_local *local); 2229164eb02dSSimon Wunderlich 2230164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 2231164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 2232164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 2233164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 2234c6da674aSChun-Yeow Yeoh int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, 2235c6da674aSChun-Yeow Yeoh struct cfg80211_csa_settings *csa_settings); 223604ecd257SJohannes Berg 22372475b1ccSMax Stepanov bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs); 22382475b1ccSMax Stepanov bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n); 22392475b1ccSMax Stepanov const struct ieee80211_cipher_scheme * 22402475b1ccSMax Stepanov ieee80211_cs_get(struct ieee80211_local *local, u32 cipher, 22412475b1ccSMax Stepanov enum nl80211_iftype iftype); 22422475b1ccSMax Stepanov int ieee80211_cs_headroom(struct ieee80211_local *local, 22432475b1ccSMax Stepanov struct cfg80211_crypto_settings *crypto, 22442475b1ccSMax Stepanov enum nl80211_iftype iftype); 2245057d5f4bSThomas Pedersen void ieee80211_recalc_dtim(struct ieee80211_local *local, 2246057d5f4bSThomas Pedersen struct ieee80211_sub_if_data *sdata); 224773de86a3SLuciano Coelho int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, 224873de86a3SLuciano Coelho const struct cfg80211_chan_def *chandef, 224973de86a3SLuciano Coelho enum ieee80211_chanctx_mode chanmode, 225073de86a3SLuciano Coelho u8 radar_detect); 22516fa001bcSMichal Kazior int ieee80211_max_num_channels(struct ieee80211_local *local); 22520fabfaafSArik Nemtsov enum nl80211_chan_width ieee80211_get_sta_bw(struct ieee80211_sta *sta); 22530fabfaafSArik Nemtsov void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, 22540fabfaafSArik Nemtsov struct ieee80211_chanctx *ctx); 22552475b1ccSMax Stepanov 225695224fe8SArik Nemtsov /* TDLS */ 225795224fe8SArik Nemtsov int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 22583b3a0162SJohannes Berg const u8 *peer, u8 action_code, u8 dialog_token, 225995224fe8SArik Nemtsov u16 status_code, u32 peer_capability, 226031fa97c5SArik Nemtsov bool initiator, const u8 *extra_ies, 226131fa97c5SArik Nemtsov size_t extra_ies_len); 226295224fe8SArik Nemtsov int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 22633b3a0162SJohannes Berg const u8 *peer, enum nl80211_tdls_operation oper); 2264c10a1993SJohannes Berg void ieee80211_tdls_peer_del_work(struct work_struct *wk); 2265a7a6bdd0SArik Nemtsov int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, 2266a7a6bdd0SArik Nemtsov const u8 *addr, u8 oper_class, 2267a7a6bdd0SArik Nemtsov struct cfg80211_chan_def *chandef); 2268a7a6bdd0SArik Nemtsov void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, 2269a7a6bdd0SArik Nemtsov struct net_device *dev, 2270a7a6bdd0SArik Nemtsov const u8 *addr); 2271d51c2ea3SArik Nemtsov void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata); 2272c8ff71e6SArik Nemtsov void ieee80211_tdls_chsw_work(struct work_struct *wk); 227379c92ca4SYu Wang void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata, 227479c92ca4SYu Wang const u8 *peer, u16 reason); 227579c92ca4SYu Wang const char *ieee80211_get_reason_code_string(u16 reason_code); 227695224fe8SArik Nemtsov 2277b7ffbd7eSJohannes Berg extern const struct ethtool_ops ieee80211_ethtool_ops; 2278b7ffbd7eSJohannes Berg 2279db3e1c40SToke Høiland-Jørgensen u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw, 2280db3e1c40SToke Høiland-Jørgensen struct ieee80211_vif *vif, 2281db3e1c40SToke Høiland-Jørgensen struct ieee80211_sta *pubsta, 2282db3e1c40SToke Høiland-Jørgensen int len); 2283f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 2284d9e8a70fSJohannes Berg #define debug_noinline noinline 2285d9e8a70fSJohannes Berg #else 2286d9e8a70fSJohannes Berg #define debug_noinline 2287d9e8a70fSJohannes Berg #endif 2288d9e8a70fSJohannes Berg 2289f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 2290