1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 6f0706e82SJiri Benc * 7f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 8f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 9f0706e82SJiri Benc * published by the Free Software Foundation. 10f0706e82SJiri Benc */ 11f0706e82SJiri Benc 12f0706e82SJiri Benc #ifndef IEEE80211_I_H 13f0706e82SJiri Benc #define IEEE80211_I_H 14f0706e82SJiri Benc 15f0706e82SJiri Benc #include <linux/kernel.h> 16f0706e82SJiri Benc #include <linux/device.h> 17f0706e82SJiri Benc #include <linux/if_ether.h> 18f0706e82SJiri Benc #include <linux/interrupt.h> 19f0706e82SJiri Benc #include <linux/list.h> 20f0706e82SJiri Benc #include <linux/netdevice.h> 21f0706e82SJiri Benc #include <linux/skbuff.h> 22f0706e82SJiri Benc #include <linux/workqueue.h> 23f0706e82SJiri Benc #include <linux/types.h> 24f0706e82SJiri Benc #include <linux/spinlock.h> 25571ecf67SJohannes Berg #include <linux/etherdevice.h> 26e1e54068SJohannes Berg #include <linux/leds.h> 27a729cff8SJohannes Berg #include <linux/idr.h> 28fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2993da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3051cb6db0SDavid S. Miller #include <net/mac80211.h> 312c8dccc7SJohannes Berg #include "key.h" 32f0706e82SJiri Benc #include "sta_info.h" 33bdcbd8e0SJohannes Berg #include "debug.h" 34f0706e82SJiri Benc 359cfb0009SJohannes Berg struct ieee80211_local; 36f0706e82SJiri Benc 37f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 38f0706e82SJiri Benc * associated stations are using power saving. */ 39f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 40f0706e82SJiri Benc 41f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 42f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 43f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 44f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 45f0706e82SJiri Benc 46f0706e82SJiri Benc /* Required encryption head and tailroom */ 47f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 48765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 49f0706e82SJiri Benc 50f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 51f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 52f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 53f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 54f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 55f0706e82SJiri Benc 5612d3952fSFelix Fietkau #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 5712d3952fSFelix Fietkau #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 5820ad19d0SJohannes Berg 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 /* 63d6a4ed6fSArik Nemtsov * Some APs experience problems when working with U-APSD. Decrease the 64d6a4ed6fSArik Nemtsov * probability of that happening by using legacy mode for all ACs but VO. 65d6a4ed6fSArik Nemtsov * The AP that caused us trouble was a Cisco 4410N. It ignores our 66d6a4ed6fSArik Nemtsov * setting, and always treats non-VO ACs as legacy. 67d6a4ed6fSArik Nemtsov */ 68ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 69d6a4ed6fSArik Nemtsov IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 70ab13315aSKalle Valo 71ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 72ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 73ab13315aSKalle Valo 746ae16775SAntonio Quartulli #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) 756ae16775SAntonio Quartulli 76f0706e82SJiri Benc struct ieee80211_fragment_entry { 77f0706e82SJiri Benc unsigned long first_frag_time; 78f0706e82SJiri Benc unsigned int seq; 79f0706e82SJiri Benc unsigned int rx_queue; 80f0706e82SJiri Benc unsigned int last_frag; 81f0706e82SJiri Benc unsigned int extra_len; 82f0706e82SJiri Benc struct sk_buff_head skb_list; 83f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 84f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 85f0706e82SJiri Benc }; 86f0706e82SJiri Benc 87f0706e82SJiri Benc 88c2b13452SJohannes Berg struct ieee80211_bss { 89ef429dadSJohannes Berg u32 device_ts_beacon, device_ts_presp; 908c358bcdSJohannes Berg 9143ac2ca3SJouni Malinen bool wmm_used; 92ab13315aSKalle Valo bool uapsd_supported; 9300d3f14cSJohannes Berg 94f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 95f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 96f0706e82SJiri Benc size_t supp_rates_len; 97f0706e82SJiri Benc 9800d3f14cSJohannes Berg /* 9925985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1005628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1015628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10200d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10300d3f14cSJohannes Berg */ 10400d3f14cSJohannes Berg bool has_erp_value; 1055628221cSDaniel Drake u8 erp_value; 106fcff4f10SPaul Stewart 107fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 108fcff4f10SPaul Stewart u8 corrupt_data; 109fcff4f10SPaul Stewart 110fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 111fcff4f10SPaul Stewart u8 valid_data; 112fcff4f10SPaul Stewart }; 113fcff4f10SPaul Stewart 114fcff4f10SPaul Stewart /** 115fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 116fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 117fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 118fcff4f10SPaul Stewart * 119fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 120fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 121fcff4f10SPaul Stewart */ 122fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 123fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 124fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 125fcff4f10SPaul Stewart }; 126fcff4f10SPaul Stewart 127fcff4f10SPaul Stewart /** 128fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 129fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 130fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 131fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 132fcff4f10SPaul Stewart * 133fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 134fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 135fcff4f10SPaul Stewart * of the data structure were recieved as a result of an un-corrupted 136fcff4f10SPaul Stewart * beacon/probe response. 137fcff4f10SPaul Stewart */ 138fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 139fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 140fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 141fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 142f0706e82SJiri Benc }; 143f0706e82SJiri Benc 1449ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1459ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1469ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1479ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1489ae54c84SJohannes Berg 1495cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1505cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1519ae54c84SJohannes Berg 1525cf121c3SJohannes Berg struct ieee80211_tx_data { 153f0706e82SJiri Benc struct sk_buff *skb; 154252b86c4SJohannes Berg struct sk_buff_head skbs; 155f0706e82SJiri Benc struct ieee80211_local *local; 156f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 157f0706e82SJiri Benc struct sta_info *sta; 158f0706e82SJiri Benc struct ieee80211_key *key; 1595cf121c3SJohannes Berg 160056cdd59SJohannes Berg unsigned int flags; 1615cf121c3SJohannes Berg }; 1625cf121c3SJohannes Berg 1635cf121c3SJohannes Berg 1645cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1655cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1665cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1675cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1685cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1695cf121c3SJohannes Berg 170554891e6SJohannes Berg /** 171554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 172554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 173554891e6SJohannes Berg * (incl. multicast frames) 174554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 175554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 176554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1774cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 178554891e6SJohannes Berg * 179554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 180554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 181554891e6SJohannes Berg */ 182554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 183554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 184554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 185554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 186554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1874cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 188554891e6SJohannes Berg }; 189554891e6SJohannes Berg 190554891e6SJohannes Berg /** 191554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 192554891e6SJohannes Berg * 193554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 194ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 195ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 196554891e6SJohannes Berg * 197554891e6SJohannes Berg * These flags are used across handling multiple interfaces 198554891e6SJohannes Berg * for a single frame. 199554891e6SJohannes Berg */ 200554891e6SJohannes Berg enum ieee80211_rx_flags { 201554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 202ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 203554891e6SJohannes Berg }; 2045cf121c3SJohannes Berg 2055cf121c3SJohannes Berg struct ieee80211_rx_data { 2065cf121c3SJohannes Berg struct sk_buff *skb; 2075cf121c3SJohannes Berg struct ieee80211_local *local; 2085cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2095cf121c3SJohannes Berg struct sta_info *sta; 2105cf121c3SJohannes Berg struct ieee80211_key *key; 211056cdd59SJohannes Berg 212056cdd59SJohannes Berg unsigned int flags; 2139e26297aSJohannes Berg 2149e26297aSJohannes Berg /* 2159e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2169e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2179e26297aSJohannes Berg * will be 16 on non-QoS frames. 2189e26297aSJohannes Berg */ 2199e26297aSJohannes Berg int seqno_idx; 2209e26297aSJohannes Berg 2219e26297aSJohannes Berg /* 2229e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2239e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2249e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2259e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2269e26297aSJohannes Berg */ 2279e26297aSJohannes Berg int security_idx; 2289e26297aSJohannes Berg 22950741ae0SJohannes Berg u32 tkip_iv32; 23050741ae0SJohannes Berg u16 tkip_iv16; 231f0706e82SJiri Benc }; 232f0706e82SJiri Benc 2335dfdaf58SJohannes Berg struct beacon_data { 2345dfdaf58SJohannes Berg u8 *head, *tail; 2355dfdaf58SJohannes Berg int head_len, tail_len; 2368860020eSJohannes Berg struct rcu_head rcu_head; 2375dfdaf58SJohannes Berg }; 2385dfdaf58SJohannes Berg 239aa7a0080SEyal Shapira struct probe_resp { 240aa7a0080SEyal Shapira struct rcu_head rcu_head; 241aa7a0080SEyal Shapira int len; 242aa7a0080SEyal Shapira u8 data[0]; 243aa7a0080SEyal Shapira }; 244aa7a0080SEyal Shapira 245d012a605SMarco Porsch struct ps_data { 246d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 247d012a605SMarco Porsch * bitmap_empty :) 248d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 249d012a605SMarco Porsch u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 250d012a605SMarco Porsch struct sk_buff_head bc_buf; 251d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 252d012a605SMarco Porsch int dtim_count; 253d012a605SMarco Porsch bool dtim_bc_mc; 254d012a605SMarco Porsch }; 255d012a605SMarco Porsch 256f0706e82SJiri Benc struct ieee80211_if_ap { 25740b275b6SJohannes Berg struct beacon_data __rcu *beacon; 258aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 259f0706e82SJiri Benc 2600ec3ca44SJohannes Berg struct list_head vlans; 2610ec3ca44SJohannes Berg 262d012a605SMarco Porsch struct ps_data ps; 263030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 264f0706e82SJiri Benc }; 265f0706e82SJiri Benc 266f0706e82SJiri Benc struct ieee80211_if_wds { 267f0706e82SJiri Benc struct sta_info *sta; 268056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 269f0706e82SJiri Benc }; 270f0706e82SJiri Benc 271f0706e82SJiri Benc struct ieee80211_if_vlan { 2720ec3ca44SJohannes Berg struct list_head list; 273f14543eeSFelix Fietkau 274f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 27540b275b6SJohannes Berg struct sta_info __rcu *sta; 276f0706e82SJiri Benc }; 277f0706e82SJiri Benc 278ee385855SLuis Carlos Cobo struct mesh_stats { 279c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 280c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 281c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 282ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 283ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 284cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 285ee385855SLuis Carlos Cobo }; 286ee385855SLuis Carlos Cobo 287ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 288ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 289ee385855SLuis Carlos Cobo struct mesh_preq_queue { 290ee385855SLuis Carlos Cobo struct list_head list; 291ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 292ee385855SLuis Carlos Cobo u8 flags; 293ee385855SLuis Carlos Cobo }; 294ee385855SLuis Carlos Cobo 2952eb278e0SJohannes Berg #if HZ/100 == 0 2962eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT 1 2972eb278e0SJohannes Berg #else 2982eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT (HZ/100) 2992eb278e0SJohannes Berg #endif 30077fdaa12SJohannes Berg 3012eb278e0SJohannes Berg struct ieee80211_roc_work { 30277fdaa12SJohannes Berg struct list_head list; 3032eb278e0SJohannes Berg struct list_head dependents; 304f679f65dSJohannes Berg 3052eb278e0SJohannes Berg struct delayed_work work; 306af6b6374SJohannes Berg 307af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 308af6b6374SJohannes Berg 309f679f65dSJohannes Berg struct ieee80211_channel *chan; 310af6b6374SJohannes Berg 3112eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 312f679f65dSJohannes Berg 3132eb278e0SJohannes Berg unsigned long hw_start_time; 314e4da8c37SJohannes Berg 3152eb278e0SJohannes Berg u32 duration, req_duration; 316f30221e4SJohannes Berg struct sk_buff *frame; 31750febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 31877fdaa12SJohannes Berg }; 31977fdaa12SJohannes Berg 32046900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 321ab1faeadSJohannes Berg enum ieee80211_sta_flags { 322b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 323b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 324b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 325a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 326b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 327b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 328ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 329375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 33017e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 33124398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 332d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 333f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 334f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 335ab1faeadSJohannes Berg }; 336ab1faeadSJohannes Berg 33766e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 33866e67e41SJohannes Berg struct cfg80211_bss *bss; 33966e67e41SJohannes Berg unsigned long timeout; 34066e67e41SJohannes Berg int tries; 34166e67e41SJohannes Berg u16 algorithm, expected_transaction; 34266e67e41SJohannes Berg 34366e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 34466e67e41SJohannes Berg u8 key_len, key_idx; 34566e67e41SJohannes Berg bool done; 34689afe614SJohannes Berg bool timeout_started; 34766e67e41SJohannes Berg 3486b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3496b8ece3aSJouni Malinen size_t data_len; 3506b8ece3aSJouni Malinen u8 data[]; 35166e67e41SJohannes Berg }; 35266e67e41SJohannes Berg 35366e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 35466e67e41SJohannes Berg struct cfg80211_bss *bss; 35566e67e41SJohannes Berg const u8 *supp_rates; 35666e67e41SJohannes Berg 35766e67e41SJohannes Berg unsigned long timeout; 35866e67e41SJohannes Berg int tries; 35966e67e41SJohannes Berg 36066e67e41SJohannes Berg u16 capability; 36166e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 36266e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 36366e67e41SJohannes Berg u8 ssid_len; 36466e67e41SJohannes Berg u8 supp_rates_len; 36576f0303dSJohannes Berg bool wmm, uapsd; 366c65dd147SEmmanuel Grumbach bool have_beacon, need_beacon; 36766e67e41SJohannes Berg bool synced; 36889afe614SJohannes Berg bool timeout_started; 36966e67e41SJohannes Berg 3709dde6423SJohannes Berg u8 ap_ht_param; 3719dde6423SJohannes Berg 372b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 373b08fbbd8SJohannes Berg 37466e67e41SJohannes Berg size_t ie_len; 37566e67e41SJohannes Berg u8 ie[]; 37666e67e41SJohannes Berg }; 37766e67e41SJohannes Berg 37846900298SJohannes Berg struct ieee80211_if_managed { 379056cdd59SJohannes Berg struct timer_list timer; 380b291ba11SJohannes Berg struct timer_list conn_mon_timer; 381b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 382c481ec97SSujith struct timer_list chswitch_timer; 383b291ba11SJohannes Berg struct work_struct monitor_work; 384c481ec97SSujith struct work_struct chswitch_work; 3851e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 386882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 38746900298SJohannes Berg 3887ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 389b291ba11SJohannes Berg unsigned long probe_timeout; 390a43abf29SMaxim Levitsky int probe_send_count; 39104ac3c0eSFelix Fietkau bool nullfunc_failed; 392682bd38bSJohannes Berg bool connection_loss; 393b291ba11SJohannes Berg 39477fdaa12SJohannes Berg struct mutex mtx; 3950c1ad2caSJohannes Berg struct cfg80211_bss *associated; 39666e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 39766e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 39846900298SJohannes Berg 39977fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 40046900298SJohannes Berg 401f0706e82SJiri Benc u16 aid; 402f0706e82SJiri Benc 4035bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 404965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 40505cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 406826262c3SJohannes Berg u8 dtim_period; 4070f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 408d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 409d1f5b7a3SJohannes Berg 410d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 411965bedadSJohannes Berg 412d6f2da5bSJiri Slaby unsigned int flags; 413f0706e82SJiri Benc 414d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 415d91f36dbSJohannes Berg u32 beacon_crc; 416d91f36dbSJohannes Berg 4171672c0e3SJohannes Berg bool status_acked; 4181672c0e3SJohannes Berg bool status_received; 4191672c0e3SJohannes Berg __le16 status_fc; 4201672c0e3SJohannes Berg 421fdfacf0aSJouni Malinen enum { 422fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 423fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 424fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 425fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 426fdfacf0aSJouni Malinen 427dc41e4d4SEliad Peller /* 428dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 429dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 430dc41e4d4SEliad Peller * to take effect. 431dc41e4d4SEliad Peller */ 432dc41e4d4SEliad Peller unsigned int uapsd_queues; 433dc41e4d4SEliad Peller 434dc41e4d4SEliad Peller /* 435dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 436dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 437dc41e4d4SEliad Peller * Needs a new association to take effect. 438dc41e4d4SEliad Peller */ 439dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 440dc41e4d4SEliad Peller 441f0706e82SJiri Benc int wmm_last_param_set; 4429bc383deSJohannes Berg 4439bc383deSJohannes Berg u8 use_4addr; 44417e4ec14SJouni Malinen 445488dd7b5SJohannes Berg u8 p2p_noa_index; 446488dd7b5SJohannes Berg 44717e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 44817e4ec14SJouni Malinen int last_beacon_signal; 44917e4ec14SJouni Malinen 45017e4ec14SJouni Malinen /* 45117e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 45217e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 45317e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 45417e4ec14SJouni Malinen * divided by 16 to get the actual value. 45517e4ec14SJouni Malinen */ 45617e4ec14SJouni Malinen int ave_beacon_signal; 45717e4ec14SJouni Malinen 45817e4ec14SJouni Malinen /* 459391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 460391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 461391a200aSJouni Malinen * only on couple of received frames. 462391a200aSJouni Malinen */ 463391a200aSJouni Malinen unsigned int count_beacon_signal; 464391a200aSJouni Malinen 465391a200aSJouni Malinen /* 46617e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 46717e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 46817e4ec14SJouni Malinen * generated for the current association. 46917e4ec14SJouni Malinen */ 47017e4ec14SJouni Malinen int last_cqm_event_signal; 471615f7b9bSMeenakshi Venkataraman 472615f7b9bSMeenakshi Venkataraman /* 473615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 474615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 475615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 476615f7b9bSMeenakshi Venkataraman */ 477615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 478615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 479ef96a842SBen Greear 480ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 481ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 482f0706e82SJiri Benc }; 483f0706e82SJiri Benc 48446900298SJohannes Berg struct ieee80211_if_ibss { 48546900298SJohannes Berg struct timer_list timer; 48646900298SJohannes Berg 4877a17a33cSJohannes Berg struct mutex mtx; 4887a17a33cSJohannes Berg 489af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4905bb644a0SJohannes Berg 491fbd2c8dcSTeemu Paasikivi u32 basic_rates; 492fbd2c8dcSTeemu Paasikivi 4935bb644a0SJohannes Berg bool timer_running; 4945bb644a0SJohannes Berg 495af8cdcd8SJohannes Berg bool fixed_bssid; 496af8cdcd8SJohannes Berg bool fixed_channel; 497fffd0934SJohannes Berg bool privacy; 49846900298SJohannes Berg 499267335d6SAntonio Quartulli bool control_port; 5006abe0563SWill Hawkins unsigned int auth_frame_registrations; 501267335d6SAntonio Quartulli 5024d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 503af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 504af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 505af8cdcd8SJohannes Berg u8 *ie; 506af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 50713c40c54SAlexander Simon enum nl80211_channel_type channel_type; 50846900298SJohannes Berg 50946900298SJohannes Berg unsigned long ibss_join_req; 510af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 51140b275b6SJohannes Berg struct sk_buff __rcu *presp; 51240b275b6SJohannes Berg struct sk_buff *skb; 51346900298SJohannes Berg 5148bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5158bf11d8dSJohannes Berg struct list_head incomplete_stations; 5168bf11d8dSJohannes Berg 51746900298SJohannes Berg enum { 51846900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 51946900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 52046900298SJohannes Berg } state; 52146900298SJohannes Berg }; 52246900298SJohannes Berg 523dbf498fbSJavier Cardona /** 524dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 525dbf498fbSJavier Cardona * 526dbf498fbSJavier Cardona * these declarations define the interface, which enables 527dbf498fbSJavier Cardona * vendor-specific mesh synchronization 528dbf498fbSJavier Cardona * 529dbf498fbSJavier Cardona */ 530dbf498fbSJavier Cardona struct ieee802_11_elems; 531dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 532dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 533dbf498fbSJavier Cardona u16 stype, 534dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 535dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 536dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 537dbf498fbSJavier Cardona void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); 538dbf498fbSJavier Cardona /* add other framework functions here */ 539dbf498fbSJavier Cardona }; 540dbf498fbSJavier Cardona 541472dbc45SJohannes Berg struct ieee80211_if_mesh { 542472dbc45SJohannes Berg struct timer_list housekeeping_timer; 543472dbc45SJohannes Berg struct timer_list mesh_path_timer; 544e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 545472dbc45SJohannes Berg 5465bb644a0SJohannes Berg unsigned long timers_running; 5475bb644a0SJohannes Berg 54818889231SJavier Cardona unsigned long wrkq_flags; 549472dbc45SJohannes Berg 550472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 551472dbc45SJohannes Berg size_t mesh_id_len; 552472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5533491707aSRui Paulo u8 mesh_pp_id; 554472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5553491707aSRui Paulo u8 mesh_pm_id; 556472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5573491707aSRui Paulo u8 mesh_cc_id; 5589e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5593491707aSRui Paulo u8 mesh_sp_id; 5609e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5613491707aSRui Paulo u8 mesh_auth_id; 562d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 563d19b3bf6SRui Paulo u32 sn; 564472dbc45SJohannes Berg /* Last used PREQ ID */ 565472dbc45SJohannes Berg u32 preq_id; 566472dbc45SJohannes Berg atomic_t mpaths; 567d19b3bf6SRui Paulo /* Timestamp of last SN update */ 568d19b3bf6SRui Paulo unsigned long last_sn_update; 569dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 570dca7e943SThomas Pedersen unsigned long next_perr; 571dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 572472dbc45SJohannes Berg unsigned long last_preq; 573472dbc45SJohannes Berg struct mesh_rmc *rmc; 574472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 575472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 576472dbc45SJohannes Berg int preq_queue_len; 577472dbc45SJohannes Berg struct mesh_stats mshstats; 578472dbc45SJohannes Berg struct mesh_config mshcfg; 5791258d976SAshok Nagarajan atomic_t estab_plinks; 580472dbc45SJohannes Berg u32 mesh_seqnum; 581472dbc45SJohannes Berg bool accepting_plinks; 5825ee68e5bSJavier Cardona int num_gates; 583581a8b0fSJavier Cardona const u8 *ie; 584581a8b0fSJavier Cardona u8 ie_len; 585b130e5ceSJavier Cardona enum { 586b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 587b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 588b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 589b130e5ceSJavier Cardona } security; 590dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 5918ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 592dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 593dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 594dbf498fbSJavier Cardona bool adjusting_tbtt; 5953f52b7e3SMarco Porsch /* mesh power save */ 5963f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 5973f52b7e3SMarco Porsch int ps_peers_light_sleep; 5983f52b7e3SMarco Porsch int ps_peers_deep_sleep; 5993f52b7e3SMarco Porsch struct ps_data ps; 600472dbc45SJohannes Berg }; 601902acc78SJohannes Berg 602902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 603472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 604472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 605902acc78SJohannes Berg #else 606472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 607902acc78SJohannes Berg do { } while (0) 608902acc78SJohannes Berg #endif 609f0706e82SJiri Benc 610213cd118SJohannes Berg /** 611213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 612213cd118SJohannes Berg * 613213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 614213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 615213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 616213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 617213cd118SJohannes Berg * associated stations and deliver multicast frames both 618213cd118SJohannes Berg * back to wireless media and to the local net stack. 61995acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6207b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 621213cd118SJohannes Berg */ 622213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 623213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 624213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6257986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6267986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 62795acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6287b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 629213cd118SJohannes Berg }; 630213cd118SJohannes Berg 63134d4bc4dSJohannes Berg /** 63234d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 63334d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 63434d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 63534d4bc4dSJohannes Berg * change handling while the interface is up 6365b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6375b714c6aSJohannes Berg * mode, so queues are stopped 638d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 639d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 64034d4bc4dSJohannes Berg */ 64134d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 64234d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6435b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 644d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 64534d4bc4dSJohannes Berg }; 64634d4bc4dSJohannes Berg 647d01a1e65SMichal Kazior /** 648d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 649d01a1e65SMichal Kazior * 650d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 651d01a1e65SMichal Kazior * multiple interfaces 652d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 653d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 654d01a1e65SMichal Kazior * non-fixed channel IBSS. 655d01a1e65SMichal Kazior */ 656d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 657d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 658d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 659d01a1e65SMichal Kazior }; 660d01a1e65SMichal Kazior 661d01a1e65SMichal Kazior struct ieee80211_chanctx { 662d01a1e65SMichal Kazior struct list_head list; 663d01a1e65SMichal Kazior struct rcu_head rcu_head; 664d01a1e65SMichal Kazior 665d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 666d01a1e65SMichal Kazior int refcount; 6678a61af65SJohannes Berg bool driver_present; 668d01a1e65SMichal Kazior 669d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 670d01a1e65SMichal Kazior }; 671d01a1e65SMichal Kazior 672f0706e82SJiri Benc struct ieee80211_sub_if_data { 673f0706e82SJiri Benc struct list_head list; 674f0706e82SJiri Benc 675f0706e82SJiri Benc struct wireless_dev wdev; 676f0706e82SJiri Benc 67711a843b7SJohannes Berg /* keys */ 67811a843b7SJohannes Berg struct list_head key_list; 67911a843b7SJohannes Berg 6803bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 6813bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 6823bff1865SYogesh Ashok Powar 683f0706e82SJiri Benc struct net_device *dev; 684f0706e82SJiri Benc struct ieee80211_local *local; 685f0706e82SJiri Benc 68613262ffdSJiri Slaby unsigned int flags; 6877e9ed188SDaniel Drake 68834d4bc4dSJohannes Berg unsigned long state; 68934d4bc4dSJohannes Berg 690f0706e82SJiri Benc int drop_unencrypted; 691f0706e82SJiri Benc 69247846c9bSJohannes Berg char name[IFNAMSIZ]; 69347846c9bSJohannes Berg 694f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 695f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 696f0706e82SJiri Benc unsigned int fragment_next; 697f0706e82SJiri Benc 698b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 699b53be792SSimon Wunderlich u16 noack_map; 700b53be792SSimon Wunderlich 70100e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 70200e96decSYoni Divinsky u8 wmm_acm; 70300e96decSYoni Divinsky 70440b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 70540b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 70640b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 70740b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 708f0706e82SJiri Benc 70994778280SJohannes Berg u16 sequence_number; 710a621fa4dSJohannes Berg __be16 control_port_protocol; 711a621fa4dSJohannes Berg bool control_port_no_encrypt; 71294778280SJohannes Berg 71354bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 714f6f3def3SEliad Peller 71504ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 71604ecd257SJohannes Berg struct work_struct recalc_smps; 71704ecd257SJohannes Berg 71864592c8fSJohannes Berg struct work_struct work; 71935f20c14SJohannes Berg struct sk_buff_head skb_queue; 72035f20c14SJohannes Berg 72104ecd257SJohannes Berg u8 needed_rx_chains; 72204ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 72304ecd257SJohannes Berg 7241ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 7251ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 7261ea6f9c0SJohannes Berg 727164eb02dSSimon Wunderlich bool radar_required; 728164eb02dSSimon Wunderlich struct delayed_work dfs_cac_timer_work; 729164eb02dSSimon Wunderlich 7303e122be0SJohannes Berg /* 7313e122be0SJohannes Berg * AP this belongs to: self in AP mode and 7323e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 7333e122be0SJohannes Berg * all others (might be needed later in IBSS) 7343e122be0SJohannes Berg */ 7353e122be0SJohannes Berg struct ieee80211_if_ap *bss; 7363e122be0SJohannes Berg 73737eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 73837eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 73919468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 740f0706e82SJiri Benc 741f0706e82SJiri Benc union { 742f0706e82SJiri Benc struct ieee80211_if_ap ap; 743f0706e82SJiri Benc struct ieee80211_if_wds wds; 744f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 74546900298SJohannes Berg struct ieee80211_if_managed mgd; 74646900298SJohannes Berg struct ieee80211_if_ibss ibss; 747472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 7488cc9a739SMichael Wu u32 mntr_flags; 749f0706e82SJiri Benc } u; 750e9f207f0SJiri Benc 75197f97b1fSJohannes Berg spinlock_t cleanup_stations_lock; 75297f97b1fSJohannes Berg struct list_head cleanup_stations; 75397f97b1fSJohannes Berg struct work_struct cleanup_stations_wk; 75497f97b1fSJohannes Berg 755e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 756e9f207f0SJiri Benc struct { 7577bcfaf2fSJohannes Berg struct dentry *dir; 758295bafb4SBen Greear struct dentry *subdir_stations; 759f7e0104cSJohannes Berg struct dentry *default_unicast_key; 760f7e0104cSJohannes Berg struct dentry *default_multicast_key; 7613cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 7627bcfaf2fSJohannes Berg } debugfs; 763e9f207f0SJiri Benc #endif 764529ba6e9SJohannes Berg 765529ba6e9SJohannes Berg #ifdef CONFIG_PM 766529ba6e9SJohannes Berg struct ieee80211_bss_conf suspend_bss_conf; 767529ba6e9SJohannes Berg #endif 768529ba6e9SJohannes Berg 76932bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 77032bfd35dSJohannes Berg struct ieee80211_vif vif; 771f0706e82SJiri Benc }; 772f0706e82SJiri Benc 77332bfd35dSJohannes Berg static inline 77432bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 77532bfd35dSJohannes Berg { 77632bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 77732bfd35dSJohannes Berg } 77832bfd35dSJohannes Berg 77955de908aSJohannes Berg static inline enum ieee80211_band 78055de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 78155de908aSJohannes Berg { 78255de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 78355de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 78455de908aSJohannes Berg 78555de908aSJohannes Berg rcu_read_lock(); 78655de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 78755de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 7884bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 78955de908aSJohannes Berg rcu_read_unlock(); 79055de908aSJohannes Berg 79155de908aSJohannes Berg return band; 79255de908aSJohannes Berg } 79355de908aSJohannes Berg 794c1475ca9SJohannes Berg enum sdata_queue_type { 795c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 796c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 797c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 798c1475ca9SJohannes Berg }; 799c1475ca9SJohannes Berg 800f0706e82SJiri Benc enum { 801f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 802f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 80337fbd908SJohannes Berg IEEE80211_EOSP_MSG = 3, 80437fbd908SJohannes Berg }; 80537fbd908SJohannes Berg 80637fbd908SJohannes Berg struct skb_eosp_msg_data { 80737fbd908SJohannes Berg u8 sta[ETH_ALEN], iface[ETH_ALEN]; 808f0706e82SJiri Benc }; 809f0706e82SJiri Benc 810ce7c9111SKalle Valo enum queue_stop_reason { 811ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 812520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 81396f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 81496f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 81525420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 8168f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 8176c17b77bSSeth Forshee IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, 818ce7c9111SKalle Valo }; 819ce7c9111SKalle Valo 82065a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 821e1e54068SJohannes Berg struct tpt_led_trigger { 822e1e54068SJohannes Berg struct led_trigger trig; 823e1e54068SJohannes Berg char name[32]; 824e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 825e1e54068SJohannes Berg unsigned int blink_table_len; 826e1e54068SJohannes Berg struct timer_list timer; 827e1e54068SJohannes Berg unsigned long prev_traffic; 828e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 82967408c8cSJohannes Berg unsigned int active, want; 83067408c8cSJohannes Berg bool running; 831e1e54068SJohannes Berg }; 83265a6538aSLuciano Coelho #endif 833e1e54068SJohannes Berg 834142b9f50SHelmut Schaa /** 835142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 836142b9f50SHelmut Schaa * 837142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 838142b9f50SHelmut Schaa * well be on the operating channel 839142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 840142b9f50SHelmut Schaa * determine if we are on the operating channel or not 8418a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 8428a690674SBen Greear * channel. This should not interrupt normal traffic. 8438789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 8448789d459SJohannes Berg * that the scan completed. 8458789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 8468789d459SJohannes Berg * a scan complete for an aborted scan. 847142b9f50SHelmut Schaa */ 848fbe9c429SHelmut Schaa enum { 849fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 850142b9f50SHelmut Schaa SCAN_HW_SCANNING, 8518a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 8528789d459SJohannes Berg SCAN_COMPLETED, 8538789d459SJohannes Berg SCAN_ABORTED, 854142b9f50SHelmut Schaa }; 855142b9f50SHelmut Schaa 856142b9f50SHelmut Schaa /** 857142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 858142b9f50SHelmut Schaa * 859142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 860142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 861142b9f50SHelmut Schaa * operating channel 862142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 863142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 86407ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 86507ef03eeSJohannes Berg * send out data 86607ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 867cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 868142b9f50SHelmut Schaa */ 869142b9f50SHelmut Schaa enum mac80211_scan_state { 870142b9f50SHelmut Schaa SCAN_DECISION, 871142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 872142b9f50SHelmut Schaa SCAN_SEND_PROBE, 87307ef03eeSJohannes Berg SCAN_SUSPEND, 87407ef03eeSJohannes Berg SCAN_RESUME, 875cd2bb512SSam Leffler SCAN_ABORT, 876fbe9c429SHelmut Schaa }; 877fbe9c429SHelmut Schaa 878f0706e82SJiri Benc struct ieee80211_local { 879f0706e82SJiri Benc /* embed the driver visible part. 880f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 881f0706e82SJiri Benc * it first anyway so they become a no-op */ 882f0706e82SJiri Benc struct ieee80211_hw hw; 883f0706e82SJiri Benc 884f0706e82SJiri Benc const struct ieee80211_ops *ops; 885f0706e82SJiri Benc 88642935ecaSLuis R. Rodriguez /* 88742935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 88842935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 88942935ecaSLuis R. Rodriguez */ 89042935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 89142935ecaSLuis R. Rodriguez 892e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 89396f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 894ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 89596f5e66eSJohannes Berg 896f0706e82SJiri Benc int open_count; 8973d30d949SMichael Wu int monitors, cooked_mntrs; 8988cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 8997be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 9007be5086dSJohannes Berg fif_probe_req; 9017be5086dSJohannes Berg int probe_req_reg; 9024150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 9033b8d81e0SJohannes Berg 9043ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 9053ffc2a90SJohannes Berg 906fe57d9f5SJohannes Berg bool use_chanctx; 907fe57d9f5SJohannes Berg 9083b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 9093b8d81e0SJohannes Berg spinlock_t filter_lock; 9103b8d81e0SJohannes Berg 9113ac64beeSJohannes Berg /* used for uploading changed mc list */ 9123ac64beeSJohannes Berg struct work_struct reconfig_filter; 9133ac64beeSJohannes Berg 9143b8d81e0SJohannes Berg /* aggregated multicast list */ 91522bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 9163b8d81e0SJohannes Berg 917d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 9185bb644a0SJohannes Berg 9195bb644a0SJohannes Berg /* 9205bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 9215bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 9225bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 9235bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 9245bb644a0SJohannes Berg */ 9255bb644a0SJohannes Berg bool suspended; 9265bb644a0SJohannes Berg 9275bb644a0SJohannes Berg /* 928ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 929ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 930ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 931ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 932ceb99fe0SJohannes Berg */ 933ceb99fe0SJohannes Berg bool resuming; 934ceb99fe0SJohannes Berg 935ceb99fe0SJohannes Berg /* 9365bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 9375bb644a0SJohannes Berg * ease timer cancelling etc. 9385bb644a0SJohannes Berg */ 9395bb644a0SJohannes Berg bool quiescing; 9405bb644a0SJohannes Berg 941ea77f12fSJohannes Berg /* device is started */ 942ea77f12fSJohannes Berg bool started; 943ea77f12fSJohannes Berg 94404800adaSArik Nemtsov /* device is during a HW reconfig */ 94504800adaSArik Nemtsov bool in_reconfig; 94604800adaSArik Nemtsov 947eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 948eecc4800SJohannes Berg bool wowlan; 949eecc4800SJohannes Berg 950164eb02dSSimon Wunderlich /* DFS/radar detection is enabled */ 951164eb02dSSimon Wunderlich bool radar_detect_enabled; 952164eb02dSSimon Wunderlich struct work_struct radar_detected_work; 953164eb02dSSimon Wunderlich 95404ecd257SJohannes Berg /* number of RX chains the hardware has */ 95504ecd257SJohannes Berg u8 rx_chains; 95604ecd257SJohannes Berg 957b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 958f0706e82SJiri Benc 959f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 960f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 961f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 962f0706e82SJiri Benc * queues increases over the limit. */ 963f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 964f0706e82SJiri Benc struct tasklet_struct tasklet; 965f0706e82SJiri Benc struct sk_buff_head skb_queue; 966f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 967f0706e82SJiri Benc 968f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 96924a8fdadSChristian Lamparter 970d0709a65SJohannes Berg /* Station data */ 971d0709a65SJohannes Berg /* 9724d33960bSJohannes Berg * The mutex only protects the list, hash table and 9734d33960bSJohannes Berg * counter, reads are done with RCU. 974d0709a65SJohannes Berg */ 97534e89507SJohannes Berg struct mutex sta_mtx; 9764d33960bSJohannes Berg spinlock_t tim_lock; 977d0709a65SJohannes Berg unsigned long num_sta; 9784d33960bSJohannes Berg struct list_head sta_list; 97940b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 980f0706e82SJiri Benc struct timer_list sta_cleanup; 981f5ea9120SJohannes Berg int sta_generation; 982f0706e82SJiri Benc 9832a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 984f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 985f0706e82SJiri Benc 986a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 987cd8ffc80SJohannes Berg 988f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 98953918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 990f0706e82SJiri Benc 991f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 992f0706e82SJiri Benc 9935f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 9945f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 995f0706e82SJiri Benc u32 wep_iv; 996f0706e82SJiri Benc 997c771c9d8SJohannes Berg /* see iface.c */ 99879010420SJohannes Berg struct list_head interfaces; 999c771c9d8SJohannes Berg struct mutex iflist_mtx; 100079010420SJohannes Berg 1001b16bd15cSJohannes Berg /* 1002ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1003b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1004b16bd15cSJohannes Berg */ 1005ad0e2b5aSJohannes Berg struct mutex key_mtx; 1006b16bd15cSJohannes Berg 1007a1699b75SJohannes Berg /* mutex for scan and work locking */ 1008a1699b75SJohannes Berg struct mutex mtx; 1009b16bd15cSJohannes Berg 1010c2b13452SJohannes Berg /* Scanning and BSS list */ 1011fbe9c429SHelmut Schaa unsigned long scanning; 10122a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 10135ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 10144d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 10152a519311SJohannes Berg struct ieee80211_channel *scan_channel; 10164d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1017f0706e82SJiri Benc int scan_channel_idx; 1018de95a54bSJohannes Berg int scan_ies_len; 1019c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 10208318d78aSJohannes Berg 102185a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 10225260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 102379f460caSLuciano Coelho 1024df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1025977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1026f0706e82SJiri Benc struct delayed_work scan_work; 1027e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 102855de908aSJohannes Berg struct ieee80211_channel *csa_channel; 102955de908aSJohannes Berg /* For backward compatibility only -- do not use */ 103055de908aSJohannes Berg struct ieee80211_channel *_oper_channel; 10310aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 1032f0706e82SJiri Benc 1033b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1034b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1035b8bc4b0aSJohannes Berg 1036d01a1e65SMichal Kazior /* channel contexts */ 1037d01a1e65SMichal Kazior struct list_head chanctx_list; 1038d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1039d01a1e65SMichal Kazior 1040f0706e82SJiri Benc /* SNMP counters */ 1041f0706e82SJiri Benc /* dot11CountersTable */ 1042f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1043f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1044f0706e82SJiri Benc u32 dot11FailedCount; 1045f0706e82SJiri Benc u32 dot11RetryCount; 1046f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1047f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1048f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1049f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1050f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1051f0706e82SJiri Benc 1052f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1053f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 1054cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1055e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1056cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1057cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1058f0706e82SJiri Benc #endif 1059f0706e82SJiri Benc 1060f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1061f0706e82SJiri Benc /* TX/RX handler statistics */ 1062f0706e82SJiri Benc unsigned int tx_handlers_drop; 1063f0706e82SJiri Benc unsigned int tx_handlers_queued; 1064f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1065f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1066f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1067f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1068f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1069f0706e82SJiri Benc unsigned int rx_handlers_drop; 1070f0706e82SJiri Benc unsigned int rx_handlers_queued; 1071f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1072f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1073f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1074f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1075f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1076f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1077f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1078f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1079f0706e82SJiri Benc unsigned int tx_status_drop; 1080f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1081f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1082f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1083f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1084f0706e82SJiri Benc 1085f0706e82SJiri Benc 1086f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1087f0706e82SJiri Benc * multicast packets for power saving stations 1088f0706e82SJiri Benc */ 1089520eb820SKalle Valo 1090572e0012SKalle Valo bool pspolling; 1091b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1092965bedadSJohannes Berg /* 1093965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1094965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1095965bedadSJohannes Berg */ 1096965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1097520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1098520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1099520eb820SKalle Valo struct timer_list dynamic_ps_timer; 110010f644a4SJohannes Berg struct notifier_block network_latency_notifier; 11012b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1102a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1103f0706e82SJiri Benc 1104ff616381SJuuso Oikarinen /* 1105ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1106ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1107ff616381SJuuso Oikarinen */ 1108ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1109ff616381SJuuso Oikarinen 11101ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 11112bf30fabSJohannes Berg 11120f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 11130f78231bSJohannes Berg 1114f2753ddbSJohannes Berg struct work_struct restart_work; 1115f2753ddbSJohannes Berg 1116e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1117e9f207f0SJiri Benc struct local_debugfsdentries { 11184b7679a5SJohannes Berg struct dentry *rcdir; 1119e9f207f0SJiri Benc struct dentry *keys; 1120e9f207f0SJiri Benc } debugfs; 1121e9f207f0SJiri Benc #endif 11224e6cbfd0SJohn W. Linville 11232eb278e0SJohannes Berg /* 11242eb278e0SJohannes Berg * Remain-on-channel support 11252eb278e0SJohannes Berg */ 11262eb278e0SJohannes Berg struct list_head roc_list; 112721f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 11282eb278e0SJohannes Berg unsigned long hw_roc_start_time; 112950febf6aSJohannes Berg u64 roc_cookie_counter; 113021f83589SJohannes Berg 1131a729cff8SJohannes Berg struct idr ack_status_frames; 1132a729cff8SJohannes Berg spinlock_t ack_status_lock; 1133a729cff8SJohannes Berg 1134f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1135f142c6b9SJohannes Berg 11364e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 11374e6cbfd0SJohn W. Linville struct net_device napi_dev; 11384e6cbfd0SJohn W. Linville 11394e6cbfd0SJohn W. Linville struct napi_struct napi; 11404b6f1dd6SJohannes Berg 11414b6f1dd6SJohannes Berg /* virtual monitor interface */ 11424b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 11434bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1144f0706e82SJiri Benc }; 1145f0706e82SJiri Benc 11463e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 11473e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 11483e122be0SJohannes Berg { 11493e122be0SJohannes Berg return netdev_priv(dev); 11503e122be0SJohannes Berg } 11513e122be0SJohannes Berg 115271bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 115371bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 115471bbc994SJohannes Berg { 115571bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 115671bbc994SJohannes Berg } 115771bbc994SJohannes Berg 1158c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1159eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1160eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1161eadc8d9eSRon Rindjunsky u16 tid; 1162eadc8d9eSRon Rindjunsky }; 1163eadc8d9eSRon Rindjunsky 1164dd76986bSJohannes Berg /* Parsed Information Elements */ 1165dd76986bSJohannes Berg struct ieee802_11_elems { 1166dd76986bSJohannes Berg u8 *ie_start; 1167dd76986bSJohannes Berg size_t total_len; 1168dd76986bSJohannes Berg 1169dd76986bSJohannes Berg /* pointers to IEs */ 1170dd76986bSJohannes Berg u8 *ssid; 1171dd76986bSJohannes Berg u8 *supp_rates; 1172dd76986bSJohannes Berg u8 *fh_params; 1173dd76986bSJohannes Berg u8 *ds_params; 1174dd76986bSJohannes Berg u8 *cf_params; 1175dd76986bSJohannes Berg struct ieee80211_tim_ie *tim; 1176dd76986bSJohannes Berg u8 *ibss_params; 1177dd76986bSJohannes Berg u8 *challenge; 1178dd76986bSJohannes Berg u8 *rsn; 1179dd76986bSJohannes Berg u8 *erp_info; 1180dd76986bSJohannes Berg u8 *ext_supp_rates; 1181dd76986bSJohannes Berg u8 *wmm_info; 1182dd76986bSJohannes Berg u8 *wmm_param; 1183dd76986bSJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1184074d46d1SJohannes Berg struct ieee80211_ht_operation *ht_operation; 1185818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_elem; 1186818255eaSMahesh Palivela struct ieee80211_vht_operation *vht_operation; 1187dd76986bSJohannes Berg struct ieee80211_meshconf_ie *mesh_config; 1188dd76986bSJohannes Berg u8 *mesh_id; 1189dd76986bSJohannes Berg u8 *peering; 11903f52b7e3SMarco Porsch __le16 *awake_window; 1191dd76986bSJohannes Berg u8 *preq; 1192dd76986bSJohannes Berg u8 *prep; 1193dd76986bSJohannes Berg u8 *perr; 1194dd76986bSJohannes Berg struct ieee80211_rann_ie *rann; 11955bc1420bSJohannes Berg struct ieee80211_channel_sw_ie *ch_switch_ie; 1196dd76986bSJohannes Berg u8 *country_elem; 1197dd76986bSJohannes Berg u8 *pwr_constr_elem; 1198dd76986bSJohannes Berg u8 *quiet_elem; /* first quite element */ 1199dd76986bSJohannes Berg u8 *timeout_int; 1200bee7f586SJohannes Berg u8 *opmode_notif; 1201dd76986bSJohannes Berg 1202dd76986bSJohannes Berg /* length of them, respectively */ 1203dd76986bSJohannes Berg u8 ssid_len; 1204dd76986bSJohannes Berg u8 supp_rates_len; 1205dd76986bSJohannes Berg u8 fh_params_len; 1206dd76986bSJohannes Berg u8 ds_params_len; 1207dd76986bSJohannes Berg u8 cf_params_len; 1208dd76986bSJohannes Berg u8 tim_len; 1209dd76986bSJohannes Berg u8 ibss_params_len; 1210dd76986bSJohannes Berg u8 challenge_len; 1211dd76986bSJohannes Berg u8 rsn_len; 1212dd76986bSJohannes Berg u8 erp_info_len; 1213dd76986bSJohannes Berg u8 ext_supp_rates_len; 1214dd76986bSJohannes Berg u8 wmm_info_len; 1215dd76986bSJohannes Berg u8 wmm_param_len; 1216dd76986bSJohannes Berg u8 mesh_id_len; 1217dd76986bSJohannes Berg u8 peering_len; 1218dd76986bSJohannes Berg u8 preq_len; 1219dd76986bSJohannes Berg u8 prep_len; 1220dd76986bSJohannes Berg u8 perr_len; 1221dd76986bSJohannes Berg u8 country_elem_len; 1222dd76986bSJohannes Berg u8 quiet_elem_len; 1223dd76986bSJohannes Berg u8 num_of_quiet_elem; /* can be more the one */ 1224dd76986bSJohannes Berg u8 timeout_int_len; 1225fcff4f10SPaul Stewart 1226fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1227fcff4f10SPaul Stewart bool parse_error; 1228dd76986bSJohannes Berg }; 1229dd76986bSJohannes Berg 1230f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1231f0706e82SJiri Benc struct ieee80211_hw *hw) 1232f0706e82SJiri Benc { 1233f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1234f0706e82SJiri Benc } 1235f0706e82SJiri Benc 1236f0706e82SJiri Benc 1237571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1238571ecf67SJohannes Berg { 1239b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1240571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1241571ecf67SJohannes Berg } 1242571ecf67SJohannes Berg 1243f4bda337SThomas Pedersen static inline bool 1244f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1245f4bda337SThomas Pedersen { 1246f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1247f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1248f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1249f4bda337SThomas Pedersen } 1250571ecf67SJohannes Berg 1251f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1252f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1253f4bda337SThomas Pedersen unsigned int mpdu_len, 1254f4bda337SThomas Pedersen unsigned int mpdu_offset); 1255e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 12565cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 12579c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 12589c6bd790SJohannes Berg u32 changed); 12590d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 126046900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1261f0706e82SJiri Benc 126246900298SJohannes Berg /* STA code */ 12639c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 126477fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 126577fdaa12SJohannes Berg struct cfg80211_auth_request *req); 126677fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 126777fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 126877fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 126963c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 127077fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 127163c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1272572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1273572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 127410f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1275ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 127610f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 127710f644a4SJohannes Berg unsigned long data, void *dummy); 12782b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1279cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1280cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 12815ce6e438SJohannes Berg struct ieee80211_bss *bss, 12825ce6e438SJohannes Berg u64 timestamp); 12835bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 12845bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 12851fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 12861fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 12871fa57d01SJohannes Berg struct sk_buff *skb); 1288d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1289be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1290afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 12911672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 12921672c0e3SJohannes Berg __le16 fc, bool acked); 12939c6bd790SJohannes Berg 129446900298SJohannes Berg /* IBSS code */ 129546900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 129646900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 12978bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 12988bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1299af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1300af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1301af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 13025bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 13035bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 13041fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 13051fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13061fa57d01SJohannes Berg struct sk_buff *skb); 13071fa57d01SJohannes Berg 13081fa57d01SJohannes Berg /* mesh code */ 13091fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 13101fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13111fa57d01SJohannes Berg struct sk_buff *skb); 131246900298SJohannes Berg 13139c6bd790SJohannes Berg /* scan/BSS handling */ 131446900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 131534bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1316be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1317be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1318c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 13192a519311SJohannes Berg struct cfg80211_scan_request *req); 13205bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1321133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1322d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 13239c6bd790SJohannes Berg 13240a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1325c2b13452SJohannes Berg struct ieee80211_bss * 132698c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 132798c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 132898c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 132998c8fccfSJohannes Berg size_t len, 133098c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1331d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 133298c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1333c2b13452SJohannes Berg struct ieee80211_bss *bss); 1334ee385855SLuis Carlos Cobo 133579f460caSLuciano Coelho /* scheduled scan handling */ 133679f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 133779f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 133885a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 133985a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 134079f460caSLuciano Coelho 1341b203ffc3SJouni Malinen /* off-channel helpers */ 1342aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1343aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 13442eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 13452eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 13462eb278e0SJohannes Berg void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); 13472eb278e0SJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); 13482eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 13492eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1350b203ffc3SJouni Malinen 13513e122be0SJohannes Berg /* interface handling */ 135247846c9bSJohannes Berg int ieee80211_iface_init(void); 135347846c9bSJohannes Berg void ieee80211_iface_exit(void); 13543e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 135584efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1356ee385855SLuis Carlos Cobo struct vif_params *params); 1357f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 135805c914feSJohannes Berg enum nl80211_iftype type); 1359f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 136075636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 13615cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 136285416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 136385416a4fSChristian Lamparter const int offset); 1364f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1365f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 1366f0706e82SJiri Benc 13671ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13681ea6f9c0SJohannes Berg void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13691ea6f9c0SJohannes Berg 13709607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 13719607e6b6SJohannes Berg { 137234d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 13739607e6b6SJohannes Berg } 13749607e6b6SJohannes Berg 1375e2ebc74dSJohannes Berg /* tx handling */ 1376e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1377e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1378d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1379d0cf9c0dSStephen Hemminger struct net_device *dev); 1380d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1381d0cf9c0dSStephen Hemminger struct net_device *dev); 13821f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 13831f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 1384e2ebc74dSJohannes Berg 1385de1ede7aSJohannes Berg /* HT */ 1386ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1387ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1388e1a0c6b3SJohannes Berg bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1389ef96a842SBen Greear struct ieee80211_supported_band *sband, 1390ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1391e1a0c6b3SJohannes Berg struct sta_info *sta); 1392b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1393b8695a8fSJohannes Berg const u8 *da, u16 tid, 1394b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 13950f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 13960f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 13970f78231bSJohannes Berg const u8 *bssid); 1398d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1399de1ede7aSJohannes Berg 14007c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 140153f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1402849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 140353f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1404c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1405c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1406de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1407de1ede7aSJohannes Berg struct sta_info *sta, 1408de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1409de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1410de1ede7aSJohannes Berg struct sta_info *sta, 1411de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1412de1ede7aSJohannes Berg size_t len); 1413de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1414de1ede7aSJohannes Berg struct sta_info *sta, 1415de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1416de1ede7aSJohannes Berg size_t len); 1417de1ede7aSJohannes Berg 1418849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1419c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 142067c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1421c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 14225d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 14235d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 142467c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 142567c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 14262bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1427849b7967SJohannes Berg 142804ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 142904ecd257SJohannes Berg 1430818255eaSMahesh Palivela /* VHT */ 1431818255eaSMahesh Palivela void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1432818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 1433818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_ie, 14344a34215eSJohannes Berg struct sta_info *sta); 1435e1a0c6b3SJohannes Berg enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); 14368921d04eSJohannes Berg void ieee80211_sta_set_rx_nss(struct sta_info *sta); 14370af83d3dSJohannes Berg void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, 14380af83d3dSJohannes Berg struct sta_info *sta, u8 opmode, 1439bee7f586SJohannes Berg enum ieee80211_band band, bool nss_only); 14404a34215eSJohannes Berg 144139192c0bSJohannes Berg /* Spectrum management */ 144239192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 144339192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 144439192c0bSJohannes Berg size_t len); 144539192c0bSJohannes Berg 1446f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1447f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 144884f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1449f2753ddbSJohannes Berg 1450eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1451eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1452f2753ddbSJohannes Berg 1453f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1454f2753ddbSJohannes Berg { 145585f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 145685f72bc8SJohn W. Linville 145785f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 145885f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 145985f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 146085f72bc8SJohn W. Linville 1461f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1462f2753ddbSJohannes Berg } 1463665af4fcSBob Copeland 1464c2d1560aSJohannes Berg /* utility functions/constants */ 1465c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 146671364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 146705c914feSJohannes Berg enum nl80211_iftype type); 14684ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1469c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1470f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1471e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1472e6d6e342SJohannes Berg gfp_t gfp); 14733abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 14743abead59SJohannes Berg bool bss_notify); 147555de908aSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, 147655de908aSJohannes Berg enum ieee80211_band band); 1477cf6bb79aSHelmut Schaa 147855de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 147955de908aSJohannes Berg struct sk_buff *skb, int tid, 148055de908aSJohannes Berg enum ieee80211_band band); 148155de908aSJohannes Berg 148255de908aSJohannes Berg static inline void 148355de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 148455de908aSJohannes Berg struct sk_buff *skb, int tid, 148555de908aSJohannes Berg enum ieee80211_band band) 148655de908aSJohannes Berg { 148755de908aSJohannes Berg rcu_read_lock(); 148855de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 148955de908aSJohannes Berg rcu_read_unlock(); 149055de908aSJohannes Berg } 149155de908aSJohannes Berg 149255de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 149355de908aSJohannes Berg struct sk_buff *skb, int tid) 149455de908aSJohannes Berg { 149555de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 149655de908aSJohannes Berg 149755de908aSJohannes Berg rcu_read_lock(); 149855de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 149955de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 150055de908aSJohannes Berg rcu_read_unlock(); 150155de908aSJohannes Berg kfree_skb(skb); 150255de908aSJohannes Berg return; 150355de908aSJohannes Berg } 150455de908aSJohannes Berg 150555de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 15064bf88530SJohannes Berg chanctx_conf->def.chan->band); 150755de908aSJohannes Berg rcu_read_unlock(); 150855de908aSJohannes Berg } 150955de908aSJohannes Berg 151055de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1511cf6bb79aSHelmut Schaa struct sk_buff *skb) 1512cf6bb79aSHelmut Schaa { 1513cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1514cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1515cf6bb79aSHelmut Schaa } 1516cf6bb79aSHelmut Schaa 15179c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 15189c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1519d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1520d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1521d91f36dbSJohannes Berg u64 filter, u32 crc); 1522881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 152396dd22acSJohannes Berg enum ieee80211_band band); 1524f0706e82SJiri Benc 1525520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1526520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1527520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1528a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1529a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1530a97b77b9SVivek Natarajan int powersave); 15313cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 15323cf335d5SKalle Valo struct ieee80211_hdr *hdr); 15334e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 153404ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 1535520eb820SKalle Valo 1536ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1537ce7c9111SKalle Valo enum queue_stop_reason reason); 1538ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1539ce7c9111SKalle Valo enum queue_stop_reason reason); 154096f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 154196f5e66eSJohannes Berg enum queue_stop_reason reason); 154296f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 154396f5e66eSJohannes Berg enum queue_stop_reason reason); 15443a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 15458f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 15468f77f384SJohannes Berg struct sk_buff *skb); 1547b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 154850a9432dSJohannes Berg struct sk_buff_head *skbs, 154950a9432dSJohannes Berg void (*fn)(void *data), void *data); 155078307daaSJohannes Berg static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, 155178307daaSJohannes Berg struct sk_buff_head *skbs) 155278307daaSJohannes Berg { 155378307daaSJohannes Berg ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); 155478307daaSJohannes Berg } 1555ce7c9111SKalle Valo 155646900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1557700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 1558fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 15591672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 15601672c0e3SJohannes Berg u32 tx_flags); 15616ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 15626ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 15636ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1564de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1565c604b9f2SJohannes Berg size_t buffer_len, const u8 *ie, size_t ie_len, 1566651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1567651b5225SJouni Malinen u8 channel); 1568a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 156985a237feSJohannes Berg u8 *dst, u32 ratemask, 15706b77863bSJohannes Berg struct ieee80211_channel *chan, 1571a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1572a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1573a806c558SPaul Stewart bool directed); 157446900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1575de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1576a806c558SPaul Stewart const u8 *ie, size_t ie_len, 15771672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 157855de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 157946900298SJohannes Berg 158046900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 158146900298SJohannes Berg const size_t supp_rates_len, 158246900298SJohannes Berg const u8 *supp_rates); 158346900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 158446900298SJohannes Berg struct ieee802_11_elems *elems, 15859ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 15860f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 15870f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 158804ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 158946900298SJohannes Berg 15908e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 15918e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 15928e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1593ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 159442e7aa77SAlexander Simon u16 cap); 1595074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 15964bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1597431e3154SAshok Nagarajan u16 prot_mode); 1598ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1599ba0afa2fSMahesh Palivela u32 cap); 1600fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 16016b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 16026b77863bSJohannes Berg enum ieee80211_band band); 1603fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 16046b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 16056b77863bSJohannes Berg enum ieee80211_band band); 16068e664fb3SJohannes Berg 1607f444de05SJohannes Berg /* channel management */ 16084bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 16094bf88530SJohannes Berg struct ieee80211_ht_operation *ht_oper, 16104bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1611f444de05SJohannes Berg 1612d01a1e65SMichal Kazior int __must_check 1613d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 16144bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1615d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 1616d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 16174d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 16181f4ac5a6SJohannes Berg void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, 16191f4ac5a6SJohannes Berg bool clear); 1620d01a1e65SMichal Kazior 162104ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 162204ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 1623164eb02dSSimon Wunderlich void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, 1624164eb02dSSimon Wunderlich struct ieee80211_chanctx *chanctx); 1625164eb02dSSimon Wunderlich 1626164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer(unsigned long data); 1627164eb02dSSimon Wunderlich void ieee80211_dfs_cac_timer_work(struct work_struct *work); 1628164eb02dSSimon Wunderlich void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); 1629164eb02dSSimon Wunderlich void ieee80211_dfs_radar_detected_work(struct work_struct *work); 163004ecd257SJohannes Berg 1631f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1632d9e8a70fSJohannes Berg #define debug_noinline noinline 1633d9e8a70fSJohannes Berg #else 1634d9e8a70fSJohannes Berg #define debug_noinline 1635d9e8a70fSJohannes Berg #endif 1636d9e8a70fSJohannes Berg 1637f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1638