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 { 898c358bcdSJohannes Berg u32 device_ts; 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; 34666e67e41SJohannes Berg 3476b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3486b8ece3aSJouni Malinen size_t data_len; 3496b8ece3aSJouni Malinen u8 data[]; 35066e67e41SJohannes Berg }; 35166e67e41SJohannes Berg 35266e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 35366e67e41SJohannes Berg struct cfg80211_bss *bss; 35466e67e41SJohannes Berg const u8 *supp_rates; 35566e67e41SJohannes Berg 35666e67e41SJohannes Berg unsigned long timeout; 35766e67e41SJohannes Berg int tries; 35866e67e41SJohannes Berg 35966e67e41SJohannes Berg u16 capability; 36066e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 36166e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 36266e67e41SJohannes Berg u8 ssid_len; 36366e67e41SJohannes Berg u8 supp_rates_len; 36476f0303dSJohannes Berg bool wmm, uapsd; 365c65dd147SEmmanuel Grumbach bool have_beacon, need_beacon; 36666e67e41SJohannes Berg bool synced; 36766e67e41SJohannes Berg 3689dde6423SJohannes Berg u8 ap_ht_param; 3699dde6423SJohannes Berg 370b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 371b08fbbd8SJohannes Berg 37266e67e41SJohannes Berg size_t ie_len; 37366e67e41SJohannes Berg u8 ie[]; 37466e67e41SJohannes Berg }; 37566e67e41SJohannes Berg 37646900298SJohannes Berg struct ieee80211_if_managed { 377056cdd59SJohannes Berg struct timer_list timer; 378b291ba11SJohannes Berg struct timer_list conn_mon_timer; 379b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 380c481ec97SSujith struct timer_list chswitch_timer; 381b291ba11SJohannes Berg struct work_struct monitor_work; 382c481ec97SSujith struct work_struct chswitch_work; 3831e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 384882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 38546900298SJohannes Berg 3867ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 387b291ba11SJohannes Berg unsigned long probe_timeout; 388a43abf29SMaxim Levitsky int probe_send_count; 38904ac3c0eSFelix Fietkau bool nullfunc_failed; 390682bd38bSJohannes Berg bool connection_loss; 391b291ba11SJohannes Berg 39277fdaa12SJohannes Berg struct mutex mtx; 3930c1ad2caSJohannes Berg struct cfg80211_bss *associated; 39466e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 39566e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 39646900298SJohannes Berg 39777fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 39846900298SJohannes Berg 399f0706e82SJiri Benc u16 aid; 400f0706e82SJiri Benc 4015bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 402965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 40305cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 404826262c3SJohannes Berg u8 dtim_period; 4050f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 406d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 407d1f5b7a3SJohannes Berg 408d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 409965bedadSJohannes Berg 410d6f2da5bSJiri Slaby unsigned int flags; 411f0706e82SJiri Benc 412d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 413d91f36dbSJohannes Berg u32 beacon_crc; 414d91f36dbSJohannes Berg 4151672c0e3SJohannes Berg bool status_acked; 4161672c0e3SJohannes Berg bool status_received; 4171672c0e3SJohannes Berg __le16 status_fc; 4181672c0e3SJohannes Berg 419fdfacf0aSJouni Malinen enum { 420fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 421fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 422fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 423fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 424fdfacf0aSJouni Malinen 425dc41e4d4SEliad Peller /* 426dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 427dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 428dc41e4d4SEliad Peller * to take effect. 429dc41e4d4SEliad Peller */ 430dc41e4d4SEliad Peller unsigned int uapsd_queues; 431dc41e4d4SEliad Peller 432dc41e4d4SEliad Peller /* 433dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 434dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 435dc41e4d4SEliad Peller * Needs a new association to take effect. 436dc41e4d4SEliad Peller */ 437dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 438dc41e4d4SEliad Peller 439f0706e82SJiri Benc int wmm_last_param_set; 4409bc383deSJohannes Berg 4419bc383deSJohannes Berg u8 use_4addr; 44217e4ec14SJouni Malinen 443488dd7b5SJohannes Berg u8 p2p_noa_index; 444488dd7b5SJohannes Berg 44517e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 44617e4ec14SJouni Malinen int last_beacon_signal; 44717e4ec14SJouni Malinen 44817e4ec14SJouni Malinen /* 44917e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 45017e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 45117e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 45217e4ec14SJouni Malinen * divided by 16 to get the actual value. 45317e4ec14SJouni Malinen */ 45417e4ec14SJouni Malinen int ave_beacon_signal; 45517e4ec14SJouni Malinen 45617e4ec14SJouni Malinen /* 457391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 458391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 459391a200aSJouni Malinen * only on couple of received frames. 460391a200aSJouni Malinen */ 461391a200aSJouni Malinen unsigned int count_beacon_signal; 462391a200aSJouni Malinen 463391a200aSJouni Malinen /* 46417e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 46517e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 46617e4ec14SJouni Malinen * generated for the current association. 46717e4ec14SJouni Malinen */ 46817e4ec14SJouni Malinen int last_cqm_event_signal; 469615f7b9bSMeenakshi Venkataraman 470615f7b9bSMeenakshi Venkataraman /* 471615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 472615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 473615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 474615f7b9bSMeenakshi Venkataraman */ 475615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 476615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 477ef96a842SBen Greear 478ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 479ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 480f0706e82SJiri Benc }; 481f0706e82SJiri Benc 48246900298SJohannes Berg struct ieee80211_if_ibss { 48346900298SJohannes Berg struct timer_list timer; 48446900298SJohannes Berg 4857a17a33cSJohannes Berg struct mutex mtx; 4867a17a33cSJohannes Berg 487af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4885bb644a0SJohannes Berg 489fbd2c8dcSTeemu Paasikivi u32 basic_rates; 490fbd2c8dcSTeemu Paasikivi 4915bb644a0SJohannes Berg bool timer_running; 4925bb644a0SJohannes Berg 493af8cdcd8SJohannes Berg bool fixed_bssid; 494af8cdcd8SJohannes Berg bool fixed_channel; 495fffd0934SJohannes Berg bool privacy; 49646900298SJohannes Berg 497267335d6SAntonio Quartulli bool control_port; 4986abe0563SWill Hawkins unsigned int auth_frame_registrations; 499267335d6SAntonio Quartulli 5004d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 501af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 502af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 503af8cdcd8SJohannes Berg u8 *ie; 504af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 50513c40c54SAlexander Simon enum nl80211_channel_type channel_type; 50646900298SJohannes Berg 50746900298SJohannes Berg unsigned long ibss_join_req; 508af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 50940b275b6SJohannes Berg struct sk_buff __rcu *presp; 51040b275b6SJohannes Berg struct sk_buff *skb; 51146900298SJohannes Berg 5128bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5138bf11d8dSJohannes Berg struct list_head incomplete_stations; 5148bf11d8dSJohannes Berg 51546900298SJohannes Berg enum { 51646900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 51746900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 51846900298SJohannes Berg } state; 51946900298SJohannes Berg }; 52046900298SJohannes Berg 521dbf498fbSJavier Cardona /** 522dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 523dbf498fbSJavier Cardona * 524dbf498fbSJavier Cardona * these declarations define the interface, which enables 525dbf498fbSJavier Cardona * vendor-specific mesh synchronization 526dbf498fbSJavier Cardona * 527dbf498fbSJavier Cardona */ 528dbf498fbSJavier Cardona struct ieee802_11_elems; 529dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 530dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 531dbf498fbSJavier Cardona u16 stype, 532dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 533dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 534dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 535dbf498fbSJavier Cardona void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); 536dbf498fbSJavier Cardona /* add other framework functions here */ 537dbf498fbSJavier Cardona }; 538dbf498fbSJavier Cardona 539472dbc45SJohannes Berg struct ieee80211_if_mesh { 540472dbc45SJohannes Berg struct timer_list housekeeping_timer; 541472dbc45SJohannes Berg struct timer_list mesh_path_timer; 542e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 543472dbc45SJohannes Berg 5445bb644a0SJohannes Berg unsigned long timers_running; 5455bb644a0SJohannes Berg 54618889231SJavier Cardona unsigned long wrkq_flags; 547472dbc45SJohannes Berg 548472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 549472dbc45SJohannes Berg size_t mesh_id_len; 550472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5513491707aSRui Paulo u8 mesh_pp_id; 552472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5533491707aSRui Paulo u8 mesh_pm_id; 554472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5553491707aSRui Paulo u8 mesh_cc_id; 5569e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5573491707aSRui Paulo u8 mesh_sp_id; 5589e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5593491707aSRui Paulo u8 mesh_auth_id; 560d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 561d19b3bf6SRui Paulo u32 sn; 562472dbc45SJohannes Berg /* Last used PREQ ID */ 563472dbc45SJohannes Berg u32 preq_id; 564472dbc45SJohannes Berg atomic_t mpaths; 565d19b3bf6SRui Paulo /* Timestamp of last SN update */ 566d19b3bf6SRui Paulo unsigned long last_sn_update; 567dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 568dca7e943SThomas Pedersen unsigned long next_perr; 569dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 570472dbc45SJohannes Berg unsigned long last_preq; 571472dbc45SJohannes Berg struct mesh_rmc *rmc; 572472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 573472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 574472dbc45SJohannes Berg int preq_queue_len; 575472dbc45SJohannes Berg struct mesh_stats mshstats; 576472dbc45SJohannes Berg struct mesh_config mshcfg; 5771258d976SAshok Nagarajan atomic_t estab_plinks; 578472dbc45SJohannes Berg u32 mesh_seqnum; 579472dbc45SJohannes Berg bool accepting_plinks; 5805ee68e5bSJavier Cardona int num_gates; 581581a8b0fSJavier Cardona const u8 *ie; 582581a8b0fSJavier Cardona u8 ie_len; 583b130e5ceSJavier Cardona enum { 584b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 585b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 586b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 587b130e5ceSJavier Cardona } security; 588dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 5898ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 590dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 591dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 592dbf498fbSJavier Cardona bool adjusting_tbtt; 5933f52b7e3SMarco Porsch /* mesh power save */ 5943f52b7e3SMarco Porsch enum nl80211_mesh_power_mode nonpeer_pm; 5953f52b7e3SMarco Porsch int ps_peers_light_sleep; 5963f52b7e3SMarco Porsch int ps_peers_deep_sleep; 5973f52b7e3SMarco Porsch struct ps_data ps; 598472dbc45SJohannes Berg }; 599902acc78SJohannes Berg 600902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 601472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 602472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 603902acc78SJohannes Berg #else 604472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 605902acc78SJohannes Berg do { } while (0) 606902acc78SJohannes Berg #endif 607f0706e82SJiri Benc 608213cd118SJohannes Berg /** 609213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 610213cd118SJohannes Berg * 611213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 612213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 613213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 614213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 615213cd118SJohannes Berg * associated stations and deliver multicast frames both 616213cd118SJohannes Berg * back to wireless media and to the local net stack. 61795acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6187b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 619213cd118SJohannes Berg */ 620213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 621213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 622213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6237986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6247986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 62595acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6267b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 627213cd118SJohannes Berg }; 628213cd118SJohannes Berg 62934d4bc4dSJohannes Berg /** 63034d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 63134d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 63234d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 63334d4bc4dSJohannes Berg * change handling while the interface is up 6345b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6355b714c6aSJohannes Berg * mode, so queues are stopped 636d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 637d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 63834d4bc4dSJohannes Berg */ 63934d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 64034d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6415b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 642d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 64334d4bc4dSJohannes Berg }; 64434d4bc4dSJohannes Berg 645d01a1e65SMichal Kazior /** 646d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 647d01a1e65SMichal Kazior * 648d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 649d01a1e65SMichal Kazior * multiple interfaces 650d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 651d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 652d01a1e65SMichal Kazior * non-fixed channel IBSS. 653d01a1e65SMichal Kazior */ 654d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 655d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 656d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 657d01a1e65SMichal Kazior }; 658d01a1e65SMichal Kazior 659d01a1e65SMichal Kazior struct ieee80211_chanctx { 660d01a1e65SMichal Kazior struct list_head list; 661d01a1e65SMichal Kazior struct rcu_head rcu_head; 662d01a1e65SMichal Kazior 663d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 664d01a1e65SMichal Kazior int refcount; 6658a61af65SJohannes Berg bool driver_present; 666d01a1e65SMichal Kazior 667d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 668d01a1e65SMichal Kazior }; 669d01a1e65SMichal Kazior 670f0706e82SJiri Benc struct ieee80211_sub_if_data { 671f0706e82SJiri Benc struct list_head list; 672f0706e82SJiri Benc 673f0706e82SJiri Benc struct wireless_dev wdev; 674f0706e82SJiri Benc 67511a843b7SJohannes Berg /* keys */ 67611a843b7SJohannes Berg struct list_head key_list; 67711a843b7SJohannes Berg 6783bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 6793bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 6803bff1865SYogesh Ashok Powar 681f0706e82SJiri Benc struct net_device *dev; 682f0706e82SJiri Benc struct ieee80211_local *local; 683f0706e82SJiri Benc 68413262ffdSJiri Slaby unsigned int flags; 6857e9ed188SDaniel Drake 68634d4bc4dSJohannes Berg unsigned long state; 68734d4bc4dSJohannes Berg 688f0706e82SJiri Benc int drop_unencrypted; 689f0706e82SJiri Benc 69047846c9bSJohannes Berg char name[IFNAMSIZ]; 69147846c9bSJohannes Berg 6927da7cc1dSJohannes Berg /* to detect idle changes */ 6937da7cc1dSJohannes Berg bool old_idle; 6947da7cc1dSJohannes Berg 695f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 696f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 697f0706e82SJiri Benc unsigned int fragment_next; 698f0706e82SJiri Benc 699b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 700b53be792SSimon Wunderlich u16 noack_map; 701b53be792SSimon Wunderlich 70200e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 70300e96decSYoni Divinsky u8 wmm_acm; 70400e96decSYoni Divinsky 70540b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 70640b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 70740b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 70840b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 709f0706e82SJiri Benc 71094778280SJohannes Berg u16 sequence_number; 711a621fa4dSJohannes Berg __be16 control_port_protocol; 712a621fa4dSJohannes Berg bool control_port_no_encrypt; 71394778280SJohannes Berg 71454bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 715f6f3def3SEliad Peller 71604ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 71704ecd257SJohannes Berg struct work_struct recalc_smps; 71804ecd257SJohannes Berg 71964592c8fSJohannes Berg struct work_struct work; 72035f20c14SJohannes Berg struct sk_buff_head skb_queue; 72135f20c14SJohannes Berg 72204ecd257SJohannes Berg u8 needed_rx_chains; 72304ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 72404ecd257SJohannes Berg 7251ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 7261ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 7271ea6f9c0SJohannes Berg 7283e122be0SJohannes Berg /* 7293e122be0SJohannes Berg * AP this belongs to: self in AP mode and 7303e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 7313e122be0SJohannes Berg * all others (might be needed later in IBSS) 7323e122be0SJohannes Berg */ 7333e122be0SJohannes Berg struct ieee80211_if_ap *bss; 7343e122be0SJohannes Berg 73537eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 73637eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 73719468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 738f0706e82SJiri Benc 739f0706e82SJiri Benc union { 740f0706e82SJiri Benc struct ieee80211_if_ap ap; 741f0706e82SJiri Benc struct ieee80211_if_wds wds; 742f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 74346900298SJohannes Berg struct ieee80211_if_managed mgd; 74446900298SJohannes Berg struct ieee80211_if_ibss ibss; 745472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 7468cc9a739SMichael Wu u32 mntr_flags; 747f0706e82SJiri Benc } u; 748e9f207f0SJiri Benc 74997f97b1fSJohannes Berg spinlock_t cleanup_stations_lock; 75097f97b1fSJohannes Berg struct list_head cleanup_stations; 75197f97b1fSJohannes Berg struct work_struct cleanup_stations_wk; 75297f97b1fSJohannes Berg 753e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 754e9f207f0SJiri Benc struct { 7557bcfaf2fSJohannes Berg struct dentry *dir; 756295bafb4SBen Greear struct dentry *subdir_stations; 757f7e0104cSJohannes Berg struct dentry *default_unicast_key; 758f7e0104cSJohannes Berg struct dentry *default_multicast_key; 7593cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 7607bcfaf2fSJohannes Berg } debugfs; 761e9f207f0SJiri Benc #endif 762529ba6e9SJohannes Berg 763529ba6e9SJohannes Berg #ifdef CONFIG_PM 764529ba6e9SJohannes Berg struct ieee80211_bss_conf suspend_bss_conf; 765529ba6e9SJohannes Berg #endif 766529ba6e9SJohannes Berg 76732bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 76832bfd35dSJohannes Berg struct ieee80211_vif vif; 769f0706e82SJiri Benc }; 770f0706e82SJiri Benc 77132bfd35dSJohannes Berg static inline 77232bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 77332bfd35dSJohannes Berg { 77432bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 77532bfd35dSJohannes Berg } 77632bfd35dSJohannes Berg 77755de908aSJohannes Berg static inline enum ieee80211_band 77855de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 77955de908aSJohannes Berg { 78055de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 78155de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 78255de908aSJohannes Berg 78355de908aSJohannes Berg rcu_read_lock(); 78455de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 78555de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 7864bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 78755de908aSJohannes Berg rcu_read_unlock(); 78855de908aSJohannes Berg 78955de908aSJohannes Berg return band; 79055de908aSJohannes Berg } 79155de908aSJohannes Berg 792c1475ca9SJohannes Berg enum sdata_queue_type { 793c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 794c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 795c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 796c1475ca9SJohannes Berg }; 797c1475ca9SJohannes Berg 798f0706e82SJiri Benc enum { 799f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 800f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 80137fbd908SJohannes Berg IEEE80211_EOSP_MSG = 3, 80237fbd908SJohannes Berg }; 80337fbd908SJohannes Berg 80437fbd908SJohannes Berg struct skb_eosp_msg_data { 80537fbd908SJohannes Berg u8 sta[ETH_ALEN], iface[ETH_ALEN]; 806f0706e82SJiri Benc }; 807f0706e82SJiri Benc 808ce7c9111SKalle Valo enum queue_stop_reason { 809ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 810520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 81196f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 81296f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 81325420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 8148f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 815ce7c9111SKalle Valo }; 816ce7c9111SKalle Valo 81765a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 818e1e54068SJohannes Berg struct tpt_led_trigger { 819e1e54068SJohannes Berg struct led_trigger trig; 820e1e54068SJohannes Berg char name[32]; 821e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 822e1e54068SJohannes Berg unsigned int blink_table_len; 823e1e54068SJohannes Berg struct timer_list timer; 824e1e54068SJohannes Berg unsigned long prev_traffic; 825e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 82667408c8cSJohannes Berg unsigned int active, want; 82767408c8cSJohannes Berg bool running; 828e1e54068SJohannes Berg }; 82965a6538aSLuciano Coelho #endif 830e1e54068SJohannes Berg 831142b9f50SHelmut Schaa /** 832142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 833142b9f50SHelmut Schaa * 834142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 835142b9f50SHelmut Schaa * well be on the operating channel 836142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 837142b9f50SHelmut Schaa * determine if we are on the operating channel or not 8388a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 8398a690674SBen Greear * channel. This should not interrupt normal traffic. 8408789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 8418789d459SJohannes Berg * that the scan completed. 8428789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 8438789d459SJohannes Berg * a scan complete for an aborted scan. 844142b9f50SHelmut Schaa */ 845fbe9c429SHelmut Schaa enum { 846fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 847142b9f50SHelmut Schaa SCAN_HW_SCANNING, 8488a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 8498789d459SJohannes Berg SCAN_COMPLETED, 8508789d459SJohannes Berg SCAN_ABORTED, 851142b9f50SHelmut Schaa }; 852142b9f50SHelmut Schaa 853142b9f50SHelmut Schaa /** 854142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 855142b9f50SHelmut Schaa * 856142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 857142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 858142b9f50SHelmut Schaa * operating channel 859142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 860142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 86107ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 86207ef03eeSJohannes Berg * send out data 86307ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 864cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 865142b9f50SHelmut Schaa */ 866142b9f50SHelmut Schaa enum mac80211_scan_state { 867142b9f50SHelmut Schaa SCAN_DECISION, 868142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 869142b9f50SHelmut Schaa SCAN_SEND_PROBE, 87007ef03eeSJohannes Berg SCAN_SUSPEND, 87107ef03eeSJohannes Berg SCAN_RESUME, 872cd2bb512SSam Leffler SCAN_ABORT, 873fbe9c429SHelmut Schaa }; 874fbe9c429SHelmut Schaa 875f0706e82SJiri Benc struct ieee80211_local { 876f0706e82SJiri Benc /* embed the driver visible part. 877f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 878f0706e82SJiri Benc * it first anyway so they become a no-op */ 879f0706e82SJiri Benc struct ieee80211_hw hw; 880f0706e82SJiri Benc 881f0706e82SJiri Benc const struct ieee80211_ops *ops; 882f0706e82SJiri Benc 88342935ecaSLuis R. Rodriguez /* 88442935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 88542935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 88642935ecaSLuis R. Rodriguez */ 88742935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 88842935ecaSLuis R. Rodriguez 889e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 89096f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 891ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 89296f5e66eSJohannes Berg 893f0706e82SJiri Benc int open_count; 8943d30d949SMichael Wu int monitors, cooked_mntrs; 8958cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 8967be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 8977be5086dSJohannes Berg fif_probe_req; 8987be5086dSJohannes Berg int probe_req_reg; 8994150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 9003b8d81e0SJohannes Berg 9013ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 9023ffc2a90SJohannes Berg 903fe57d9f5SJohannes Berg bool use_chanctx; 904fe57d9f5SJohannes Berg 9053b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 9063b8d81e0SJohannes Berg spinlock_t filter_lock; 9073b8d81e0SJohannes Berg 9083ac64beeSJohannes Berg /* used for uploading changed mc list */ 9093ac64beeSJohannes Berg struct work_struct reconfig_filter; 9103ac64beeSJohannes Berg 9113b8d81e0SJohannes Berg /* aggregated multicast list */ 91222bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 9133b8d81e0SJohannes Berg 914d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 9155bb644a0SJohannes Berg 9165bb644a0SJohannes Berg /* 9175bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 9185bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 9195bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 9205bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 9215bb644a0SJohannes Berg */ 9225bb644a0SJohannes Berg bool suspended; 9235bb644a0SJohannes Berg 9245bb644a0SJohannes Berg /* 925ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 926ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 927ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 928ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 929ceb99fe0SJohannes Berg */ 930ceb99fe0SJohannes Berg bool resuming; 931ceb99fe0SJohannes Berg 932ceb99fe0SJohannes Berg /* 9335bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 9345bb644a0SJohannes Berg * ease timer cancelling etc. 9355bb644a0SJohannes Berg */ 9365bb644a0SJohannes Berg bool quiescing; 9375bb644a0SJohannes Berg 938ea77f12fSJohannes Berg /* device is started */ 939ea77f12fSJohannes Berg bool started; 940ea77f12fSJohannes Berg 94104800adaSArik Nemtsov /* device is during a HW reconfig */ 94204800adaSArik Nemtsov bool in_reconfig; 94304800adaSArik Nemtsov 944eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 945eecc4800SJohannes Berg bool wowlan; 946eecc4800SJohannes Berg 94704ecd257SJohannes Berg /* number of RX chains the hardware has */ 94804ecd257SJohannes Berg u8 rx_chains; 94904ecd257SJohannes Berg 950b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 951f0706e82SJiri Benc 952f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 953f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 954f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 955f0706e82SJiri Benc * queues increases over the limit. */ 956f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 957f0706e82SJiri Benc struct tasklet_struct tasklet; 958f0706e82SJiri Benc struct sk_buff_head skb_queue; 959f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 960f0706e82SJiri Benc 961f9e124fbSChristian Lamparter spinlock_t rx_path_lock; 96224a8fdadSChristian Lamparter 963d0709a65SJohannes Berg /* Station data */ 964d0709a65SJohannes Berg /* 9654d33960bSJohannes Berg * The mutex only protects the list, hash table and 9664d33960bSJohannes Berg * counter, reads are done with RCU. 967d0709a65SJohannes Berg */ 96834e89507SJohannes Berg struct mutex sta_mtx; 9694d33960bSJohannes Berg spinlock_t tim_lock; 970d0709a65SJohannes Berg unsigned long num_sta; 9714d33960bSJohannes Berg struct list_head sta_list; 97240b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 973f0706e82SJiri Benc struct timer_list sta_cleanup; 974f5ea9120SJohannes Berg int sta_generation; 975f0706e82SJiri Benc 9762a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 977f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 978f0706e82SJiri Benc 979a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 980cd8ffc80SJohannes Berg 981f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 98253918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 983f0706e82SJiri Benc 984f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 985f0706e82SJiri Benc 9865f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 9875f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 988f0706e82SJiri Benc u32 wep_iv; 989f0706e82SJiri Benc 990c771c9d8SJohannes Berg /* see iface.c */ 99179010420SJohannes Berg struct list_head interfaces; 992c771c9d8SJohannes Berg struct mutex iflist_mtx; 99379010420SJohannes Berg 994b16bd15cSJohannes Berg /* 995ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 996b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 997b16bd15cSJohannes Berg */ 998ad0e2b5aSJohannes Berg struct mutex key_mtx; 999b16bd15cSJohannes Berg 1000a1699b75SJohannes Berg /* mutex for scan and work locking */ 1001a1699b75SJohannes Berg struct mutex mtx; 1002b16bd15cSJohannes Berg 1003c2b13452SJohannes Berg /* Scanning and BSS list */ 1004fbe9c429SHelmut Schaa unsigned long scanning; 10052a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 10065ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 10074d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 10082a519311SJohannes Berg struct ieee80211_channel *scan_channel; 10094d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1010f0706e82SJiri Benc int scan_channel_idx; 1011de95a54bSJohannes Berg int scan_ies_len; 1012c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 10138318d78aSJohannes Berg 101485a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 10155260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 101679f460caSLuciano Coelho 1017df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1018977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1019f0706e82SJiri Benc struct delayed_work scan_work; 1020e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 102155de908aSJohannes Berg struct ieee80211_channel *csa_channel; 102255de908aSJohannes Berg /* For backward compatibility only -- do not use */ 102355de908aSJohannes Berg struct ieee80211_channel *_oper_channel; 10240aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 1025f0706e82SJiri Benc 1026b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1027b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1028b8bc4b0aSJohannes Berg 1029d01a1e65SMichal Kazior /* channel contexts */ 1030d01a1e65SMichal Kazior struct list_head chanctx_list; 1031d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1032d01a1e65SMichal Kazior 1033f0706e82SJiri Benc /* SNMP counters */ 1034f0706e82SJiri Benc /* dot11CountersTable */ 1035f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1036f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1037f0706e82SJiri Benc u32 dot11FailedCount; 1038f0706e82SJiri Benc u32 dot11RetryCount; 1039f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1040f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1041f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1042f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1043f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1044f0706e82SJiri Benc 1045f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1046f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 1047cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1048e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1049cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1050cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1051f0706e82SJiri Benc #endif 1052f0706e82SJiri Benc 1053f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1054f0706e82SJiri Benc /* TX/RX handler statistics */ 1055f0706e82SJiri Benc unsigned int tx_handlers_drop; 1056f0706e82SJiri Benc unsigned int tx_handlers_queued; 1057f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1058f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1059f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1060f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1061f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1062f0706e82SJiri Benc unsigned int rx_handlers_drop; 1063f0706e82SJiri Benc unsigned int rx_handlers_queued; 1064f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1065f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1066f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1067f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1068f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1069f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1070f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1071f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1072f0706e82SJiri Benc unsigned int tx_status_drop; 1073f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1074f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1075f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1076f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1077f0706e82SJiri Benc 1078f0706e82SJiri Benc 1079f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1080f0706e82SJiri Benc * multicast packets for power saving stations 1081f0706e82SJiri Benc */ 1082520eb820SKalle Valo 1083572e0012SKalle Valo bool pspolling; 1084b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1085965bedadSJohannes Berg /* 1086965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1087965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1088965bedadSJohannes Berg */ 1089965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1090520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1091520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1092520eb820SKalle Valo struct timer_list dynamic_ps_timer; 109310f644a4SJohannes Berg struct notifier_block network_latency_notifier; 10942b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1095a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1096f0706e82SJiri Benc 1097ff616381SJuuso Oikarinen /* 1098ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1099ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1100ff616381SJuuso Oikarinen */ 1101ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1102f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 1103f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 1104ff616381SJuuso Oikarinen 11051ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 11062bf30fabSJohannes Berg 11070f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 11080f78231bSJohannes Berg 1109f2753ddbSJohannes Berg struct work_struct restart_work; 1110f2753ddbSJohannes Berg 1111e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1112e9f207f0SJiri Benc struct local_debugfsdentries { 11134b7679a5SJohannes Berg struct dentry *rcdir; 1114e9f207f0SJiri Benc struct dentry *keys; 1115e9f207f0SJiri Benc } debugfs; 1116e9f207f0SJiri Benc #endif 11174e6cbfd0SJohn W. Linville 11182eb278e0SJohannes Berg /* 11192eb278e0SJohannes Berg * Remain-on-channel support 11202eb278e0SJohannes Berg */ 11212eb278e0SJohannes Berg struct list_head roc_list; 112221f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 11232eb278e0SJohannes Berg unsigned long hw_roc_start_time; 112450febf6aSJohannes Berg u64 roc_cookie_counter; 112521f83589SJohannes Berg 1126a729cff8SJohannes Berg struct idr ack_status_frames; 1127a729cff8SJohannes Berg spinlock_t ack_status_lock; 1128a729cff8SJohannes Berg 1129f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1130f142c6b9SJohannes Berg 11314e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 11324e6cbfd0SJohn W. Linville struct net_device napi_dev; 11334e6cbfd0SJohn W. Linville 11344e6cbfd0SJohn W. Linville struct napi_struct napi; 11354b6f1dd6SJohannes Berg 11364b6f1dd6SJohannes Berg /* virtual monitor interface */ 11374b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 11384bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1139f0706e82SJiri Benc }; 1140f0706e82SJiri Benc 11413e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 11423e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 11433e122be0SJohannes Berg { 11443e122be0SJohannes Berg return netdev_priv(dev); 11453e122be0SJohannes Berg } 11463e122be0SJohannes Berg 114771bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 114871bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 114971bbc994SJohannes Berg { 115071bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 115171bbc994SJohannes Berg } 115271bbc994SJohannes Berg 1153c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1154eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1155eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1156eadc8d9eSRon Rindjunsky u16 tid; 1157eadc8d9eSRon Rindjunsky }; 1158eadc8d9eSRon Rindjunsky 1159dd76986bSJohannes Berg /* Parsed Information Elements */ 1160dd76986bSJohannes Berg struct ieee802_11_elems { 1161dd76986bSJohannes Berg u8 *ie_start; 1162dd76986bSJohannes Berg size_t total_len; 1163dd76986bSJohannes Berg 1164dd76986bSJohannes Berg /* pointers to IEs */ 1165dd76986bSJohannes Berg u8 *ssid; 1166dd76986bSJohannes Berg u8 *supp_rates; 1167dd76986bSJohannes Berg u8 *fh_params; 1168dd76986bSJohannes Berg u8 *ds_params; 1169dd76986bSJohannes Berg u8 *cf_params; 1170dd76986bSJohannes Berg struct ieee80211_tim_ie *tim; 1171dd76986bSJohannes Berg u8 *ibss_params; 1172dd76986bSJohannes Berg u8 *challenge; 1173dd76986bSJohannes Berg u8 *wpa; 1174dd76986bSJohannes Berg u8 *rsn; 1175dd76986bSJohannes Berg u8 *erp_info; 1176dd76986bSJohannes Berg u8 *ext_supp_rates; 1177dd76986bSJohannes Berg u8 *wmm_info; 1178dd76986bSJohannes Berg u8 *wmm_param; 1179dd76986bSJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1180074d46d1SJohannes Berg struct ieee80211_ht_operation *ht_operation; 1181818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_elem; 1182818255eaSMahesh Palivela struct ieee80211_vht_operation *vht_operation; 1183dd76986bSJohannes Berg struct ieee80211_meshconf_ie *mesh_config; 1184dd76986bSJohannes Berg u8 *mesh_id; 1185dd76986bSJohannes Berg u8 *peering; 11863f52b7e3SMarco Porsch __le16 *awake_window; 1187dd76986bSJohannes Berg u8 *preq; 1188dd76986bSJohannes Berg u8 *prep; 1189dd76986bSJohannes Berg u8 *perr; 1190dd76986bSJohannes Berg struct ieee80211_rann_ie *rann; 11915bc1420bSJohannes Berg struct ieee80211_channel_sw_ie *ch_switch_ie; 1192dd76986bSJohannes Berg u8 *country_elem; 1193dd76986bSJohannes Berg u8 *pwr_constr_elem; 1194dd76986bSJohannes Berg u8 *quiet_elem; /* first quite element */ 1195dd76986bSJohannes Berg u8 *timeout_int; 1196dd76986bSJohannes Berg 1197dd76986bSJohannes Berg /* length of them, respectively */ 1198dd76986bSJohannes Berg u8 ssid_len; 1199dd76986bSJohannes Berg u8 supp_rates_len; 1200dd76986bSJohannes Berg u8 fh_params_len; 1201dd76986bSJohannes Berg u8 ds_params_len; 1202dd76986bSJohannes Berg u8 cf_params_len; 1203dd76986bSJohannes Berg u8 tim_len; 1204dd76986bSJohannes Berg u8 ibss_params_len; 1205dd76986bSJohannes Berg u8 challenge_len; 1206dd76986bSJohannes Berg u8 wpa_len; 1207dd76986bSJohannes Berg u8 rsn_len; 1208dd76986bSJohannes Berg u8 erp_info_len; 1209dd76986bSJohannes Berg u8 ext_supp_rates_len; 1210dd76986bSJohannes Berg u8 wmm_info_len; 1211dd76986bSJohannes Berg u8 wmm_param_len; 1212dd76986bSJohannes Berg u8 mesh_id_len; 1213dd76986bSJohannes Berg u8 peering_len; 1214dd76986bSJohannes Berg u8 preq_len; 1215dd76986bSJohannes Berg u8 prep_len; 1216dd76986bSJohannes Berg u8 perr_len; 1217dd76986bSJohannes Berg u8 country_elem_len; 1218dd76986bSJohannes Berg u8 quiet_elem_len; 1219dd76986bSJohannes Berg u8 num_of_quiet_elem; /* can be more the one */ 1220dd76986bSJohannes Berg u8 timeout_int_len; 1221fcff4f10SPaul Stewart 1222fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1223fcff4f10SPaul Stewart bool parse_error; 1224dd76986bSJohannes Berg }; 1225dd76986bSJohannes Berg 1226f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1227f0706e82SJiri Benc struct ieee80211_hw *hw) 1228f0706e82SJiri Benc { 1229f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1230f0706e82SJiri Benc } 1231f0706e82SJiri Benc 1232f0706e82SJiri Benc 1233571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1234571ecf67SJohannes Berg { 1235b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1236571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1237571ecf67SJohannes Berg } 1238571ecf67SJohannes Berg 1239f4bda337SThomas Pedersen static inline bool 1240f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1241f4bda337SThomas Pedersen { 1242f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1243f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1244f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1245f4bda337SThomas Pedersen } 1246571ecf67SJohannes Berg 1247f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1248f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1249f4bda337SThomas Pedersen unsigned int mpdu_len, 1250f4bda337SThomas Pedersen unsigned int mpdu_offset); 1251e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 12525cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 12539c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 12549c6bd790SJohannes Berg u32 changed); 12550d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 125646900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1257f0706e82SJiri Benc 125846900298SJohannes Berg /* STA code */ 12599c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 126077fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 126177fdaa12SJohannes Berg struct cfg80211_auth_request *req); 126277fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 126377fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 126477fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 126563c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 126677fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 126763c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1268572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1269572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 127010f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1271ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 127210f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 127310f644a4SJohannes Berg unsigned long data, void *dummy); 12742b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1275cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1276cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 12775ce6e438SJohannes Berg struct ieee80211_bss *bss, 12785ce6e438SJohannes Berg u64 timestamp); 12795bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 12805bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 12811fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 12821fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 12831fa57d01SJohannes Berg struct sk_buff *skb); 1284d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1285be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1286afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 12871672c0e3SJohannes Berg void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, 12881672c0e3SJohannes Berg __le16 fc, bool acked); 12899c6bd790SJohannes Berg 129046900298SJohannes Berg /* IBSS code */ 129146900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 129246900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 12938bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 12948bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1295af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1296af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1297af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 12985bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 12995bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 13001fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 13011fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13021fa57d01SJohannes Berg struct sk_buff *skb); 13031fa57d01SJohannes Berg 13041fa57d01SJohannes Berg /* mesh code */ 13051fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 13061fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13071fa57d01SJohannes Berg struct sk_buff *skb); 130846900298SJohannes Berg 13099c6bd790SJohannes Berg /* scan/BSS handling */ 131046900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 131134bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1312be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1313be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1314c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 13152a519311SJohannes Berg struct cfg80211_scan_request *req); 13165bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1317133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1318d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 13199c6bd790SJohannes Berg 13200a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1321c2b13452SJohannes Berg struct ieee80211_bss * 132298c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 132398c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 132498c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 132598c8fccfSJohannes Berg size_t len, 132698c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1327d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 132898c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1329c2b13452SJohannes Berg struct ieee80211_bss *bss); 1330ee385855SLuis Carlos Cobo 133179f460caSLuciano Coelho /* scheduled scan handling */ 133279f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 133379f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 133485a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 133585a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 133679f460caSLuciano Coelho 1337b203ffc3SJouni Malinen /* off-channel helpers */ 1338aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1339aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 13402eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 13412eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 13422eb278e0SJohannes Berg void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); 13432eb278e0SJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); 13442eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 13452eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1346b203ffc3SJouni Malinen 13473e122be0SJohannes Berg /* interface handling */ 134847846c9bSJohannes Berg int ieee80211_iface_init(void); 134947846c9bSJohannes Berg void ieee80211_iface_exit(void); 13503e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 135184efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1352ee385855SLuis Carlos Cobo struct vif_params *params); 1353f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 135405c914feSJohannes Berg enum nl80211_iftype type); 1355f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 135675636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 13575cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 135885416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 135985416a4fSChristian Lamparter const int offset); 1360f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1361f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 1362f0706e82SJiri Benc 13631ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13641ea6f9c0SJohannes Berg void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13651ea6f9c0SJohannes Berg 13669607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 13679607e6b6SJohannes Berg { 136834d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 13699607e6b6SJohannes Berg } 13709607e6b6SJohannes Berg 1371e2ebc74dSJohannes Berg /* tx handling */ 1372e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1373e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1374d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1375d0cf9c0dSStephen Hemminger struct net_device *dev); 1376d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1377d0cf9c0dSStephen Hemminger struct net_device *dev); 13781f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 13791f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 1380e2ebc74dSJohannes Berg 1381de1ede7aSJohannes Berg /* HT */ 1382ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1383ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1384ef96a842SBen Greear void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1385ef96a842SBen Greear struct ieee80211_supported_band *sband, 1386ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1387d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1388b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1389b8695a8fSJohannes Berg const u8 *da, u16 tid, 1390b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 13910f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 13920f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 13930f78231bSJohannes Berg const u8 *bssid); 1394d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1395de1ede7aSJohannes Berg 13967c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 139753f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1398849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 139953f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1400c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1401c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1402de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1403de1ede7aSJohannes Berg struct sta_info *sta, 1404de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1405de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1406de1ede7aSJohannes Berg struct sta_info *sta, 1407de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1408de1ede7aSJohannes Berg size_t len); 1409de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1410de1ede7aSJohannes Berg struct sta_info *sta, 1411de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1412de1ede7aSJohannes Berg size_t len); 1413de1ede7aSJohannes Berg 1414849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1415c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 141667c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1417c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 14185d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 14195d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 142067c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 142167c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 14222bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1423849b7967SJohannes Berg 142404ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 142504ecd257SJohannes Berg 1426818255eaSMahesh Palivela /* VHT */ 1427818255eaSMahesh Palivela void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1428818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 1429818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_ie, 1430818255eaSMahesh Palivela struct ieee80211_sta_vht_cap *vht_cap); 143139192c0bSJohannes Berg /* Spectrum management */ 143239192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 143339192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 143439192c0bSJohannes Berg size_t len); 143539192c0bSJohannes Berg 1436f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1437f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 143884f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1439f2753ddbSJohannes Berg 1440eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1441eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1442f2753ddbSJohannes Berg 1443f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1444f2753ddbSJohannes Berg { 144585f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 144685f72bc8SJohn W. Linville 144785f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 144885f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 144985f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 145085f72bc8SJohn W. Linville 1451f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1452f2753ddbSJohannes Berg } 1453665af4fcSBob Copeland 1454c2d1560aSJohannes Berg /* utility functions/constants */ 1455c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 145671364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 145705c914feSJohannes Berg enum nl80211_iftype type); 14584ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1459c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1460f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1461e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1462e6d6e342SJohannes Berg gfp_t gfp); 14633abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 14643abead59SJohannes Berg bool bss_notify); 146555de908aSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, 146655de908aSJohannes Berg enum ieee80211_band band); 1467cf6bb79aSHelmut Schaa 146855de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 146955de908aSJohannes Berg struct sk_buff *skb, int tid, 147055de908aSJohannes Berg enum ieee80211_band band); 147155de908aSJohannes Berg 147255de908aSJohannes Berg static inline void 147355de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 147455de908aSJohannes Berg struct sk_buff *skb, int tid, 147555de908aSJohannes Berg enum ieee80211_band band) 147655de908aSJohannes Berg { 147755de908aSJohannes Berg rcu_read_lock(); 147855de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 147955de908aSJohannes Berg rcu_read_unlock(); 148055de908aSJohannes Berg } 148155de908aSJohannes Berg 148255de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 148355de908aSJohannes Berg struct sk_buff *skb, int tid) 148455de908aSJohannes Berg { 148555de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 148655de908aSJohannes Berg 148755de908aSJohannes Berg rcu_read_lock(); 148855de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 148955de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 149055de908aSJohannes Berg rcu_read_unlock(); 149155de908aSJohannes Berg kfree_skb(skb); 149255de908aSJohannes Berg return; 149355de908aSJohannes Berg } 149455de908aSJohannes Berg 149555de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 14964bf88530SJohannes Berg chanctx_conf->def.chan->band); 149755de908aSJohannes Berg rcu_read_unlock(); 149855de908aSJohannes Berg } 149955de908aSJohannes Berg 150055de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1501cf6bb79aSHelmut Schaa struct sk_buff *skb) 1502cf6bb79aSHelmut Schaa { 1503cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1504cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1505cf6bb79aSHelmut Schaa } 1506cf6bb79aSHelmut Schaa 15079c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 15089c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1509d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1510d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1511d91f36dbSJohannes Berg u64 filter, u32 crc); 1512881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 151396dd22acSJohannes Berg enum ieee80211_band band); 1514f0706e82SJiri Benc 1515520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1516520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1517520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1518a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1519a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1520a97b77b9SVivek Natarajan int powersave); 15213cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 15223cf335d5SKalle Valo struct ieee80211_hdr *hdr); 15234e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 152404ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 1525520eb820SKalle Valo 1526ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1527ce7c9111SKalle Valo enum queue_stop_reason reason); 1528ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1529ce7c9111SKalle Valo enum queue_stop_reason reason); 153096f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 153196f5e66eSJohannes Berg enum queue_stop_reason reason); 153296f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 153396f5e66eSJohannes Berg enum queue_stop_reason reason); 15343a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 15358f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 15368f77f384SJohannes Berg struct sk_buff *skb); 1537b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 153850a9432dSJohannes Berg struct sk_buff_head *skbs, 153950a9432dSJohannes Berg void (*fn)(void *data), void *data); 154078307daaSJohannes Berg static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, 154178307daaSJohannes Berg struct sk_buff_head *skbs) 154278307daaSJohannes Berg { 154378307daaSJohannes Berg ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); 154478307daaSJohannes Berg } 1545ce7c9111SKalle Valo 154646900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1547700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 1548fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 15491672c0e3SJohannes Berg const u8 *da, const u8 *key, u8 key_len, u8 key_idx, 15501672c0e3SJohannes Berg u32 tx_flags); 15516ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 15526ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 15536ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1554de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1555c604b9f2SJohannes Berg size_t buffer_len, const u8 *ie, size_t ie_len, 1556651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1557651b5225SJouni Malinen u8 channel); 1558a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 155985a237feSJohannes Berg u8 *dst, u32 ratemask, 15606b77863bSJohannes Berg struct ieee80211_channel *chan, 1561a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1562a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1563a806c558SPaul Stewart bool directed); 156446900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1565de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1566a806c558SPaul Stewart const u8 *ie, size_t ie_len, 15671672c0e3SJohannes Berg u32 ratemask, bool directed, u32 tx_flags, 156855de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 156946900298SJohannes Berg 157046900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 157146900298SJohannes Berg const size_t supp_rates_len, 157246900298SJohannes Berg const u8 *supp_rates); 157346900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 157446900298SJohannes Berg struct ieee802_11_elems *elems, 15759ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 15760f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 15770f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 157804ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 157946900298SJohannes Berg 15808e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 15818e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 15828e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1583ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 158442e7aa77SAlexander Simon u16 cap); 1585074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 15864bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1587431e3154SAshok Nagarajan u16 prot_mode); 1588ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1589ba0afa2fSMahesh Palivela u32 cap); 1590fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 15916b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 15926b77863bSJohannes Berg enum ieee80211_band band); 1593fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 15946b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 15956b77863bSJohannes Berg enum ieee80211_band band); 15968e664fb3SJohannes Berg 1597f444de05SJohannes Berg /* channel management */ 15984bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 15994bf88530SJohannes Berg struct ieee80211_ht_operation *ht_oper, 16004bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1601f444de05SJohannes Berg 1602d01a1e65SMichal Kazior int __must_check 1603d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 16044bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1605d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 1606d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 16074d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 1608d01a1e65SMichal Kazior 160904ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 161004ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 161104ecd257SJohannes Berg 1612f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1613d9e8a70fSJohannes Berg #define debug_noinline noinline 1614d9e8a70fSJohannes Berg #else 1615d9e8a70fSJohannes Berg #define debug_noinline 1616d9e8a70fSJohannes Berg #endif 1617d9e8a70fSJohannes Berg 1618f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1619