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 { 8900d3f14cSJohannes Berg /* don't want to look up all the time */ 90056cdd59SJohannes Berg size_t ssid_len; 91f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 9200d3f14cSJohannes Berg 938c358bcdSJohannes Berg u32 device_ts; 948c358bcdSJohannes Berg 9543ac2ca3SJouni Malinen bool wmm_used; 96ab13315aSKalle Valo bool uapsd_supported; 9700d3f14cSJohannes Berg 9800d3f14cSJohannes Berg unsigned long last_probe_resp; 9900d3f14cSJohannes Berg 100ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 101ee385855SLuis Carlos Cobo u8 *mesh_id; 102ee385855SLuis Carlos Cobo size_t mesh_id_len; 10324736701SJohn W. Linville u8 *mesh_cfg; 104902acc78SJohannes Berg #endif 10500d3f14cSJohannes Berg 106f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 107f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 108f0706e82SJiri Benc size_t supp_rates_len; 109f0706e82SJiri Benc 11000d3f14cSJohannes Berg /* 11125985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1125628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1135628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11400d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11500d3f14cSJohannes Berg */ 11600d3f14cSJohannes Berg bool has_erp_value; 1175628221cSDaniel Drake u8 erp_value; 118fcff4f10SPaul Stewart 119fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 120fcff4f10SPaul Stewart u8 corrupt_data; 121fcff4f10SPaul Stewart 122fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 123fcff4f10SPaul Stewart u8 valid_data; 124fcff4f10SPaul Stewart }; 125fcff4f10SPaul Stewart 126fcff4f10SPaul Stewart /** 127fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 128fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 129fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 130fcff4f10SPaul Stewart * 131fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 132fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 133fcff4f10SPaul Stewart */ 134fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 135fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 136fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 137fcff4f10SPaul Stewart }; 138fcff4f10SPaul Stewart 139fcff4f10SPaul Stewart /** 140fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 141fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 142fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 143fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 144fcff4f10SPaul Stewart * 145fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 146fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 147fcff4f10SPaul Stewart * of the data structure were recieved as a result of an un-corrupted 148fcff4f10SPaul Stewart * beacon/probe response. 149fcff4f10SPaul Stewart */ 150fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 151fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 152fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 153fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 154f0706e82SJiri Benc }; 155f0706e82SJiri Benc 156c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 157902acc78SJohannes Berg { 158902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 159902acc78SJohannes Berg return bss->mesh_cfg; 160902acc78SJohannes Berg #endif 161902acc78SJohannes Berg return NULL; 162902acc78SJohannes Berg } 163902acc78SJohannes Berg 164c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 165902acc78SJohannes Berg { 166902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 167902acc78SJohannes Berg return bss->mesh_id; 168902acc78SJohannes Berg #endif 169902acc78SJohannes Berg return NULL; 170902acc78SJohannes Berg } 171902acc78SJohannes Berg 172c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 173902acc78SJohannes Berg { 174902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 175902acc78SJohannes Berg return bss->mesh_id_len; 176902acc78SJohannes Berg #endif 177902acc78SJohannes Berg return 0; 178902acc78SJohannes Berg } 179902acc78SJohannes Berg 180f0706e82SJiri Benc 1819ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1829ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1839ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1849ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1859ae54c84SJohannes Berg 1865cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1875cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1889ae54c84SJohannes Berg 1895cf121c3SJohannes Berg struct ieee80211_tx_data { 190f0706e82SJiri Benc struct sk_buff *skb; 191252b86c4SJohannes Berg struct sk_buff_head skbs; 192f0706e82SJiri Benc struct ieee80211_local *local; 193f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 194f0706e82SJiri Benc struct sta_info *sta; 195f0706e82SJiri Benc struct ieee80211_key *key; 1965cf121c3SJohannes Berg 197056cdd59SJohannes Berg unsigned int flags; 1985cf121c3SJohannes Berg }; 1995cf121c3SJohannes Berg 2005cf121c3SJohannes Berg 2015cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 2025cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 2035cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 2045cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 2055cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 2065cf121c3SJohannes Berg 207554891e6SJohannes Berg /** 208554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 209554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 210554891e6SJohannes Berg * (incl. multicast frames) 211554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 212554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 213554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 2144cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 215554891e6SJohannes Berg * 216554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 217554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 218554891e6SJohannes Berg */ 219554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 220554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 221554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 222554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 223554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2244cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 225554891e6SJohannes Berg }; 226554891e6SJohannes Berg 227554891e6SJohannes Berg /** 228554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 229554891e6SJohannes Berg * 230554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 231ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 232ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 233554891e6SJohannes Berg * 234554891e6SJohannes Berg * These flags are used across handling multiple interfaces 235554891e6SJohannes Berg * for a single frame. 236554891e6SJohannes Berg */ 237554891e6SJohannes Berg enum ieee80211_rx_flags { 238554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 239ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 240554891e6SJohannes Berg }; 2415cf121c3SJohannes Berg 2425cf121c3SJohannes Berg struct ieee80211_rx_data { 2435cf121c3SJohannes Berg struct sk_buff *skb; 2445cf121c3SJohannes Berg struct ieee80211_local *local; 2455cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2465cf121c3SJohannes Berg struct sta_info *sta; 2475cf121c3SJohannes Berg struct ieee80211_key *key; 248056cdd59SJohannes Berg 249056cdd59SJohannes Berg unsigned int flags; 2509e26297aSJohannes Berg 2519e26297aSJohannes Berg /* 2529e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2539e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2549e26297aSJohannes Berg * will be 16 on non-QoS frames. 2559e26297aSJohannes Berg */ 2569e26297aSJohannes Berg int seqno_idx; 2579e26297aSJohannes Berg 2589e26297aSJohannes Berg /* 2599e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2609e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2619e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2629e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2639e26297aSJohannes Berg */ 2649e26297aSJohannes Berg int security_idx; 2659e26297aSJohannes Berg 26650741ae0SJohannes Berg u32 tkip_iv32; 26750741ae0SJohannes Berg u16 tkip_iv16; 268f0706e82SJiri Benc }; 269f0706e82SJiri Benc 2705dfdaf58SJohannes Berg struct beacon_data { 2715dfdaf58SJohannes Berg u8 *head, *tail; 2725dfdaf58SJohannes Berg int head_len, tail_len; 2738860020eSJohannes Berg struct rcu_head rcu_head; 2745dfdaf58SJohannes Berg }; 2755dfdaf58SJohannes Berg 276aa7a0080SEyal Shapira struct probe_resp { 277aa7a0080SEyal Shapira struct rcu_head rcu_head; 278aa7a0080SEyal Shapira int len; 279aa7a0080SEyal Shapira u8 data[0]; 280aa7a0080SEyal Shapira }; 281aa7a0080SEyal Shapira 282d012a605SMarco Porsch struct ps_data { 283d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 284d012a605SMarco Porsch * bitmap_empty :) 285d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 286d012a605SMarco Porsch u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 287d012a605SMarco Porsch struct sk_buff_head bc_buf; 288d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 289d012a605SMarco Porsch int dtim_count; 290d012a605SMarco Porsch bool dtim_bc_mc; 291d012a605SMarco Porsch }; 292d012a605SMarco Porsch 293f0706e82SJiri Benc struct ieee80211_if_ap { 29440b275b6SJohannes Berg struct beacon_data __rcu *beacon; 295aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 296f0706e82SJiri Benc 2970ec3ca44SJohannes Berg struct list_head vlans; 2980ec3ca44SJohannes Berg 299d012a605SMarco Porsch struct ps_data ps; 300030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 301f0706e82SJiri Benc }; 302f0706e82SJiri Benc 303f0706e82SJiri Benc struct ieee80211_if_wds { 304f0706e82SJiri Benc struct sta_info *sta; 305056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 306f0706e82SJiri Benc }; 307f0706e82SJiri Benc 308f0706e82SJiri Benc struct ieee80211_if_vlan { 3090ec3ca44SJohannes Berg struct list_head list; 310f14543eeSFelix Fietkau 311f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 31240b275b6SJohannes Berg struct sta_info __rcu *sta; 313f0706e82SJiri Benc }; 314f0706e82SJiri Benc 315ee385855SLuis Carlos Cobo struct mesh_stats { 316c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 317c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 318c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 319ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 320ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 321cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 322ee385855SLuis Carlos Cobo }; 323ee385855SLuis Carlos Cobo 324ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 325ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 326ee385855SLuis Carlos Cobo struct mesh_preq_queue { 327ee385855SLuis Carlos Cobo struct list_head list; 328ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 329ee385855SLuis Carlos Cobo u8 flags; 330ee385855SLuis Carlos Cobo }; 331ee385855SLuis Carlos Cobo 3322eb278e0SJohannes Berg #if HZ/100 == 0 3332eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT 1 3342eb278e0SJohannes Berg #else 3352eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT (HZ/100) 3362eb278e0SJohannes Berg #endif 33777fdaa12SJohannes Berg 3382eb278e0SJohannes Berg struct ieee80211_roc_work { 33977fdaa12SJohannes Berg struct list_head list; 3402eb278e0SJohannes Berg struct list_head dependents; 341f679f65dSJohannes Berg 3422eb278e0SJohannes Berg struct delayed_work work; 343af6b6374SJohannes Berg 344af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 345af6b6374SJohannes Berg 346f679f65dSJohannes Berg struct ieee80211_channel *chan; 347af6b6374SJohannes Berg 3482eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 349f679f65dSJohannes Berg 3502eb278e0SJohannes Berg unsigned long hw_start_time; 351e4da8c37SJohannes Berg 3522eb278e0SJohannes Berg u32 duration, req_duration; 353f30221e4SJohannes Berg struct sk_buff *frame; 35450febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 35577fdaa12SJohannes Berg }; 35677fdaa12SJohannes Berg 35746900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 358ab1faeadSJohannes Berg enum ieee80211_sta_flags { 359b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 360b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 361b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 362a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 363b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 364b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 365ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 366375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 36717e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 36824398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 369d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 370f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 371f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 372ab1faeadSJohannes Berg }; 373ab1faeadSJohannes Berg 37466e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 37566e67e41SJohannes Berg struct cfg80211_bss *bss; 37666e67e41SJohannes Berg unsigned long timeout; 37766e67e41SJohannes Berg int tries; 37866e67e41SJohannes Berg u16 algorithm, expected_transaction; 37966e67e41SJohannes Berg 38066e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 38166e67e41SJohannes Berg u8 key_len, key_idx; 38266e67e41SJohannes Berg bool done; 38366e67e41SJohannes Berg 3846b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3856b8ece3aSJouni Malinen size_t data_len; 3866b8ece3aSJouni Malinen u8 data[]; 38766e67e41SJohannes Berg }; 38866e67e41SJohannes Berg 38966e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 39066e67e41SJohannes Berg struct cfg80211_bss *bss; 39166e67e41SJohannes Berg const u8 *supp_rates; 39266e67e41SJohannes Berg 39366e67e41SJohannes Berg unsigned long timeout; 39466e67e41SJohannes Berg int tries; 39566e67e41SJohannes Berg 39666e67e41SJohannes Berg u16 capability; 39766e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 39866e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 39966e67e41SJohannes Berg u8 ssid_len; 40066e67e41SJohannes Berg u8 supp_rates_len; 40176f0303dSJohannes Berg bool wmm, uapsd; 402c65dd147SEmmanuel Grumbach bool have_beacon, need_beacon; 40366e67e41SJohannes Berg bool synced; 40466e67e41SJohannes Berg 4059dde6423SJohannes Berg u8 ap_ht_param; 4069dde6423SJohannes Berg 407b08fbbd8SJohannes Berg struct ieee80211_vht_cap ap_vht_cap; 408b08fbbd8SJohannes Berg 40966e67e41SJohannes Berg size_t ie_len; 41066e67e41SJohannes Berg u8 ie[]; 41166e67e41SJohannes Berg }; 41266e67e41SJohannes Berg 41346900298SJohannes Berg struct ieee80211_if_managed { 414056cdd59SJohannes Berg struct timer_list timer; 415b291ba11SJohannes Berg struct timer_list conn_mon_timer; 416b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 417c481ec97SSujith struct timer_list chswitch_timer; 418b291ba11SJohannes Berg struct work_struct monitor_work; 419c481ec97SSujith struct work_struct chswitch_work; 4201e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 421882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 42246900298SJohannes Berg 4237ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 424b291ba11SJohannes Berg unsigned long probe_timeout; 425a43abf29SMaxim Levitsky int probe_send_count; 42604ac3c0eSFelix Fietkau bool nullfunc_failed; 427b291ba11SJohannes Berg 42877fdaa12SJohannes Berg struct mutex mtx; 4290c1ad2caSJohannes Berg struct cfg80211_bss *associated; 43066e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 43166e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 43246900298SJohannes Berg 43377fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 43446900298SJohannes Berg 435f0706e82SJiri Benc u16 aid; 436f0706e82SJiri Benc 4375bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 438965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 43905cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 440826262c3SJohannes Berg u8 dtim_period; 4410f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 442d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 443d1f5b7a3SJohannes Berg 444d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 445965bedadSJohannes Berg 446d6f2da5bSJiri Slaby unsigned int flags; 447f0706e82SJiri Benc 448d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 449d91f36dbSJohannes Berg u32 beacon_crc; 450d91f36dbSJohannes Berg 451fdfacf0aSJouni Malinen enum { 452fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 453fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 454fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 455fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 456fdfacf0aSJouni Malinen 457dc41e4d4SEliad Peller /* 458dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 459dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 460dc41e4d4SEliad Peller * to take effect. 461dc41e4d4SEliad Peller */ 462dc41e4d4SEliad Peller unsigned int uapsd_queues; 463dc41e4d4SEliad Peller 464dc41e4d4SEliad Peller /* 465dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 466dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 467dc41e4d4SEliad Peller * Needs a new association to take effect. 468dc41e4d4SEliad Peller */ 469dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 470dc41e4d4SEliad Peller 471f0706e82SJiri Benc int wmm_last_param_set; 4729bc383deSJohannes Berg 4739bc383deSJohannes Berg u8 use_4addr; 47417e4ec14SJouni Malinen 475488dd7b5SJohannes Berg u8 p2p_noa_index; 476488dd7b5SJohannes Berg 47717e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 47817e4ec14SJouni Malinen int last_beacon_signal; 47917e4ec14SJouni Malinen 48017e4ec14SJouni Malinen /* 48117e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 48217e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 48317e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 48417e4ec14SJouni Malinen * divided by 16 to get the actual value. 48517e4ec14SJouni Malinen */ 48617e4ec14SJouni Malinen int ave_beacon_signal; 48717e4ec14SJouni Malinen 48817e4ec14SJouni Malinen /* 489391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 490391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 491391a200aSJouni Malinen * only on couple of received frames. 492391a200aSJouni Malinen */ 493391a200aSJouni Malinen unsigned int count_beacon_signal; 494391a200aSJouni Malinen 495391a200aSJouni Malinen /* 49617e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 49717e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 49817e4ec14SJouni Malinen * generated for the current association. 49917e4ec14SJouni Malinen */ 50017e4ec14SJouni Malinen int last_cqm_event_signal; 501615f7b9bSMeenakshi Venkataraman 502615f7b9bSMeenakshi Venkataraman /* 503615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 504615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 505615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 506615f7b9bSMeenakshi Venkataraman */ 507615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 508615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 509ef96a842SBen Greear 510ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 511ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 512f0706e82SJiri Benc }; 513f0706e82SJiri Benc 51446900298SJohannes Berg struct ieee80211_if_ibss { 51546900298SJohannes Berg struct timer_list timer; 51646900298SJohannes Berg 5177a17a33cSJohannes Berg struct mutex mtx; 5187a17a33cSJohannes Berg 519af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5205bb644a0SJohannes Berg 521fbd2c8dcSTeemu Paasikivi u32 basic_rates; 522fbd2c8dcSTeemu Paasikivi 5235bb644a0SJohannes Berg bool timer_running; 5245bb644a0SJohannes Berg 525af8cdcd8SJohannes Berg bool fixed_bssid; 526af8cdcd8SJohannes Berg bool fixed_channel; 527fffd0934SJohannes Berg bool privacy; 52846900298SJohannes Berg 529267335d6SAntonio Quartulli bool control_port; 5306abe0563SWill Hawkins unsigned int auth_frame_registrations; 531267335d6SAntonio Quartulli 5324d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 533af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 534af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 535af8cdcd8SJohannes Berg u8 *ie; 536af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 53713c40c54SAlexander Simon enum nl80211_channel_type channel_type; 53846900298SJohannes Berg 53946900298SJohannes Berg unsigned long ibss_join_req; 540af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 54140b275b6SJohannes Berg struct sk_buff __rcu *presp; 54240b275b6SJohannes Berg struct sk_buff *skb; 54346900298SJohannes Berg 5448bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5458bf11d8dSJohannes Berg struct list_head incomplete_stations; 5468bf11d8dSJohannes Berg 54746900298SJohannes Berg enum { 54846900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 54946900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 55046900298SJohannes Berg } state; 55146900298SJohannes Berg }; 55246900298SJohannes Berg 553dbf498fbSJavier Cardona /** 554dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 555dbf498fbSJavier Cardona * 556dbf498fbSJavier Cardona * these declarations define the interface, which enables 557dbf498fbSJavier Cardona * vendor-specific mesh synchronization 558dbf498fbSJavier Cardona * 559dbf498fbSJavier Cardona */ 560dbf498fbSJavier Cardona struct ieee802_11_elems; 561dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 562dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 563dbf498fbSJavier Cardona u16 stype, 564dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 565dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 566dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 567dbf498fbSJavier Cardona void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); 568dbf498fbSJavier Cardona /* add other framework functions here */ 569dbf498fbSJavier Cardona }; 570dbf498fbSJavier Cardona 571472dbc45SJohannes Berg struct ieee80211_if_mesh { 572472dbc45SJohannes Berg struct timer_list housekeeping_timer; 573472dbc45SJohannes Berg struct timer_list mesh_path_timer; 574e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 575472dbc45SJohannes Berg 5765bb644a0SJohannes Berg unsigned long timers_running; 5775bb644a0SJohannes Berg 57818889231SJavier Cardona unsigned long wrkq_flags; 579472dbc45SJohannes Berg 580472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 581472dbc45SJohannes Berg size_t mesh_id_len; 582472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5833491707aSRui Paulo u8 mesh_pp_id; 584472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5853491707aSRui Paulo u8 mesh_pm_id; 586472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5873491707aSRui Paulo u8 mesh_cc_id; 5889e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5893491707aSRui Paulo u8 mesh_sp_id; 5909e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5913491707aSRui Paulo u8 mesh_auth_id; 592d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 593d19b3bf6SRui Paulo u32 sn; 594472dbc45SJohannes Berg /* Last used PREQ ID */ 595472dbc45SJohannes Berg u32 preq_id; 596472dbc45SJohannes Berg atomic_t mpaths; 597d19b3bf6SRui Paulo /* Timestamp of last SN update */ 598d19b3bf6SRui Paulo unsigned long last_sn_update; 599dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 600dca7e943SThomas Pedersen unsigned long next_perr; 601dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 602472dbc45SJohannes Berg unsigned long last_preq; 603472dbc45SJohannes Berg struct mesh_rmc *rmc; 604472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 605472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 606472dbc45SJohannes Berg int preq_queue_len; 607472dbc45SJohannes Berg struct mesh_stats mshstats; 608472dbc45SJohannes Berg struct mesh_config mshcfg; 6091258d976SAshok Nagarajan atomic_t estab_plinks; 610472dbc45SJohannes Berg u32 mesh_seqnum; 611472dbc45SJohannes Berg bool accepting_plinks; 6125ee68e5bSJavier Cardona int num_gates; 613581a8b0fSJavier Cardona const u8 *ie; 614581a8b0fSJavier Cardona u8 ie_len; 615b130e5ceSJavier Cardona enum { 616b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 617b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 618b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 619b130e5ceSJavier Cardona } security; 620dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6218ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 622dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 623dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 624dbf498fbSJavier Cardona bool adjusting_tbtt; 625472dbc45SJohannes Berg }; 626902acc78SJohannes Berg 627902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 628472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 629472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 630902acc78SJohannes Berg #else 631472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 632902acc78SJohannes Berg do { } while (0) 633902acc78SJohannes Berg #endif 634f0706e82SJiri Benc 635213cd118SJohannes Berg /** 636213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 637213cd118SJohannes Berg * 638213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 639213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 640213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 641213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 642213cd118SJohannes Berg * associated stations and deliver multicast frames both 643213cd118SJohannes Berg * back to wireless media and to the local net stack. 64495acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6457b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 646213cd118SJohannes Berg */ 647213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 648213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 649213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6507986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6517986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 65295acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6537b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 654213cd118SJohannes Berg }; 655213cd118SJohannes Berg 65634d4bc4dSJohannes Berg /** 65734d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 65834d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 65934d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 66034d4bc4dSJohannes Berg * change handling while the interface is up 6615b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6625b714c6aSJohannes Berg * mode, so queues are stopped 663d6a83228SJohannes Berg * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due 664d6a83228SJohannes Berg * to offchannel, reset when offchannel returns 66534d4bc4dSJohannes Berg */ 66634d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 66734d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6685b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 669d6a83228SJohannes Berg SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, 67034d4bc4dSJohannes Berg }; 67134d4bc4dSJohannes Berg 672d01a1e65SMichal Kazior /** 673d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 674d01a1e65SMichal Kazior * 675d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 676d01a1e65SMichal Kazior * multiple interfaces 677d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 678d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 679d01a1e65SMichal Kazior * non-fixed channel IBSS. 680d01a1e65SMichal Kazior */ 681d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 682d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 683d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 684d01a1e65SMichal Kazior }; 685d01a1e65SMichal Kazior 686d01a1e65SMichal Kazior struct ieee80211_chanctx { 687d01a1e65SMichal Kazior struct list_head list; 688d01a1e65SMichal Kazior struct rcu_head rcu_head; 689d01a1e65SMichal Kazior 690d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 691d01a1e65SMichal Kazior int refcount; 6928a61af65SJohannes Berg bool driver_present; 693d01a1e65SMichal Kazior 694d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 695d01a1e65SMichal Kazior }; 696d01a1e65SMichal Kazior 697f0706e82SJiri Benc struct ieee80211_sub_if_data { 698f0706e82SJiri Benc struct list_head list; 699f0706e82SJiri Benc 700f0706e82SJiri Benc struct wireless_dev wdev; 701f0706e82SJiri Benc 70211a843b7SJohannes Berg /* keys */ 70311a843b7SJohannes Berg struct list_head key_list; 70411a843b7SJohannes Berg 7053bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 7063bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 7073bff1865SYogesh Ashok Powar 708f0706e82SJiri Benc struct net_device *dev; 709f0706e82SJiri Benc struct ieee80211_local *local; 710f0706e82SJiri Benc 71113262ffdSJiri Slaby unsigned int flags; 7127e9ed188SDaniel Drake 71334d4bc4dSJohannes Berg unsigned long state; 71434d4bc4dSJohannes Berg 715f0706e82SJiri Benc int drop_unencrypted; 716f0706e82SJiri Benc 71747846c9bSJohannes Berg char name[IFNAMSIZ]; 71847846c9bSJohannes Berg 7197da7cc1dSJohannes Berg /* to detect idle changes */ 7207da7cc1dSJohannes Berg bool old_idle; 7217da7cc1dSJohannes Berg 722f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 723f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 724f0706e82SJiri Benc unsigned int fragment_next; 725f0706e82SJiri Benc 726b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 727b53be792SSimon Wunderlich u16 noack_map; 728b53be792SSimon Wunderlich 72900e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 73000e96decSYoni Divinsky u8 wmm_acm; 73100e96decSYoni Divinsky 73240b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 73340b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 73440b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 73540b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 736f0706e82SJiri Benc 73794778280SJohannes Berg u16 sequence_number; 738a621fa4dSJohannes Berg __be16 control_port_protocol; 739a621fa4dSJohannes Berg bool control_port_no_encrypt; 74094778280SJohannes Berg 74154bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 742f6f3def3SEliad Peller 74304ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 74404ecd257SJohannes Berg struct work_struct recalc_smps; 74504ecd257SJohannes Berg 74664592c8fSJohannes Berg struct work_struct work; 74735f20c14SJohannes Berg struct sk_buff_head skb_queue; 74835f20c14SJohannes Berg 74904ecd257SJohannes Berg u8 needed_rx_chains; 75004ecd257SJohannes Berg enum ieee80211_smps_mode smps_mode; 75104ecd257SJohannes Berg 7521ea6f9c0SJohannes Berg int user_power_level; /* in dBm */ 7531ea6f9c0SJohannes Berg int ap_power_level; /* in dBm */ 7541ea6f9c0SJohannes Berg 7553e122be0SJohannes Berg /* 7563e122be0SJohannes Berg * AP this belongs to: self in AP mode and 7573e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 7583e122be0SJohannes Berg * all others (might be needed later in IBSS) 7593e122be0SJohannes Berg */ 7603e122be0SJohannes Berg struct ieee80211_if_ap *bss; 7613e122be0SJohannes Berg 76237eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 76337eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 76419468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 765f0706e82SJiri Benc 766f0706e82SJiri Benc union { 767f0706e82SJiri Benc struct ieee80211_if_ap ap; 768f0706e82SJiri Benc struct ieee80211_if_wds wds; 769f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 77046900298SJohannes Berg struct ieee80211_if_managed mgd; 77146900298SJohannes Berg struct ieee80211_if_ibss ibss; 772472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 7738cc9a739SMichael Wu u32 mntr_flags; 774f0706e82SJiri Benc } u; 775e9f207f0SJiri Benc 77697f97b1fSJohannes Berg spinlock_t cleanup_stations_lock; 77797f97b1fSJohannes Berg struct list_head cleanup_stations; 77897f97b1fSJohannes Berg struct work_struct cleanup_stations_wk; 77997f97b1fSJohannes Berg 780e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 781e9f207f0SJiri Benc struct { 7827bcfaf2fSJohannes Berg struct dentry *dir; 783295bafb4SBen Greear struct dentry *subdir_stations; 784f7e0104cSJohannes Berg struct dentry *default_unicast_key; 785f7e0104cSJohannes Berg struct dentry *default_multicast_key; 7863cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 7877bcfaf2fSJohannes Berg } debugfs; 788e9f207f0SJiri Benc #endif 789529ba6e9SJohannes Berg 790529ba6e9SJohannes Berg #ifdef CONFIG_PM 791529ba6e9SJohannes Berg struct ieee80211_bss_conf suspend_bss_conf; 792529ba6e9SJohannes Berg #endif 793529ba6e9SJohannes Berg 79432bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 79532bfd35dSJohannes Berg struct ieee80211_vif vif; 796f0706e82SJiri Benc }; 797f0706e82SJiri Benc 79832bfd35dSJohannes Berg static inline 79932bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 80032bfd35dSJohannes Berg { 80132bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 80232bfd35dSJohannes Berg } 80332bfd35dSJohannes Berg 80455de908aSJohannes Berg static inline enum ieee80211_band 80555de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 80655de908aSJohannes Berg { 80755de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 80855de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 80955de908aSJohannes Berg 81055de908aSJohannes Berg rcu_read_lock(); 81155de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 81255de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 8134bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 81455de908aSJohannes Berg rcu_read_unlock(); 81555de908aSJohannes Berg 81655de908aSJohannes Berg return band; 81755de908aSJohannes Berg } 81855de908aSJohannes Berg 819c1475ca9SJohannes Berg enum sdata_queue_type { 820c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 821c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 822c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 823c1475ca9SJohannes Berg }; 824c1475ca9SJohannes Berg 825f0706e82SJiri Benc enum { 826f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 827f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 82837fbd908SJohannes Berg IEEE80211_EOSP_MSG = 3, 82937fbd908SJohannes Berg }; 83037fbd908SJohannes Berg 83137fbd908SJohannes Berg struct skb_eosp_msg_data { 83237fbd908SJohannes Berg u8 sta[ETH_ALEN], iface[ETH_ALEN]; 833f0706e82SJiri Benc }; 834f0706e82SJiri Benc 835ce7c9111SKalle Valo enum queue_stop_reason { 836ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 837520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 83896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 83996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 84025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 8418f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 842ce7c9111SKalle Valo }; 843ce7c9111SKalle Valo 84465a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 845e1e54068SJohannes Berg struct tpt_led_trigger { 846e1e54068SJohannes Berg struct led_trigger trig; 847e1e54068SJohannes Berg char name[32]; 848e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 849e1e54068SJohannes Berg unsigned int blink_table_len; 850e1e54068SJohannes Berg struct timer_list timer; 851e1e54068SJohannes Berg unsigned long prev_traffic; 852e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 85367408c8cSJohannes Berg unsigned int active, want; 85467408c8cSJohannes Berg bool running; 855e1e54068SJohannes Berg }; 85665a6538aSLuciano Coelho #endif 857e1e54068SJohannes Berg 858142b9f50SHelmut Schaa /** 859142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 860142b9f50SHelmut Schaa * 861142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 862142b9f50SHelmut Schaa * well be on the operating channel 863142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 864142b9f50SHelmut Schaa * determine if we are on the operating channel or not 8658a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 8668a690674SBen Greear * channel. This should not interrupt normal traffic. 8678789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 8688789d459SJohannes Berg * that the scan completed. 8698789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 8708789d459SJohannes Berg * a scan complete for an aborted scan. 871142b9f50SHelmut Schaa */ 872fbe9c429SHelmut Schaa enum { 873fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 874142b9f50SHelmut Schaa SCAN_HW_SCANNING, 8758a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 8768789d459SJohannes Berg SCAN_COMPLETED, 8778789d459SJohannes Berg SCAN_ABORTED, 878142b9f50SHelmut Schaa }; 879142b9f50SHelmut Schaa 880142b9f50SHelmut Schaa /** 881142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 882142b9f50SHelmut Schaa * 883142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 884142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 885142b9f50SHelmut Schaa * operating channel 886142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 887142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 88807ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 88907ef03eeSJohannes Berg * send out data 89007ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 891cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 892142b9f50SHelmut Schaa */ 893142b9f50SHelmut Schaa enum mac80211_scan_state { 894142b9f50SHelmut Schaa SCAN_DECISION, 895142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 896142b9f50SHelmut Schaa SCAN_SEND_PROBE, 89707ef03eeSJohannes Berg SCAN_SUSPEND, 89807ef03eeSJohannes Berg SCAN_RESUME, 899cd2bb512SSam Leffler SCAN_ABORT, 900fbe9c429SHelmut Schaa }; 901fbe9c429SHelmut Schaa 902f0706e82SJiri Benc struct ieee80211_local { 903f0706e82SJiri Benc /* embed the driver visible part. 904f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 905f0706e82SJiri Benc * it first anyway so they become a no-op */ 906f0706e82SJiri Benc struct ieee80211_hw hw; 907f0706e82SJiri Benc 908f0706e82SJiri Benc const struct ieee80211_ops *ops; 909f0706e82SJiri Benc 91042935ecaSLuis R. Rodriguez /* 91142935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 91242935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 91342935ecaSLuis R. Rodriguez */ 91442935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 91542935ecaSLuis R. Rodriguez 916e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 91796f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 918ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 91996f5e66eSJohannes Berg 920f0706e82SJiri Benc int open_count; 9213d30d949SMichael Wu int monitors, cooked_mntrs; 9228cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 9237be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 9247be5086dSJohannes Berg fif_probe_req; 9257be5086dSJohannes Berg int probe_req_reg; 9264150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 9273b8d81e0SJohannes Berg 9283ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 9293ffc2a90SJohannes Berg 930fe57d9f5SJohannes Berg bool use_chanctx; 931fe57d9f5SJohannes Berg 9323b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 9333b8d81e0SJohannes Berg spinlock_t filter_lock; 9343b8d81e0SJohannes Berg 9353ac64beeSJohannes Berg /* used for uploading changed mc list */ 9363ac64beeSJohannes Berg struct work_struct reconfig_filter; 9373ac64beeSJohannes Berg 9383b8d81e0SJohannes Berg /* aggregated multicast list */ 93922bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 9403b8d81e0SJohannes Berg 941d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 9425bb644a0SJohannes Berg 9435bb644a0SJohannes Berg /* 9445bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 9455bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 9465bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 9475bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 9485bb644a0SJohannes Berg */ 9495bb644a0SJohannes Berg bool suspended; 9505bb644a0SJohannes Berg 9515bb644a0SJohannes Berg /* 952ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 953ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 954ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 955ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 956ceb99fe0SJohannes Berg */ 957ceb99fe0SJohannes Berg bool resuming; 958ceb99fe0SJohannes Berg 959ceb99fe0SJohannes Berg /* 9605bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 9615bb644a0SJohannes Berg * ease timer cancelling etc. 9625bb644a0SJohannes Berg */ 9635bb644a0SJohannes Berg bool quiescing; 9645bb644a0SJohannes Berg 965ea77f12fSJohannes Berg /* device is started */ 966ea77f12fSJohannes Berg bool started; 967ea77f12fSJohannes Berg 96804800adaSArik Nemtsov /* device is during a HW reconfig */ 96904800adaSArik Nemtsov bool in_reconfig; 97004800adaSArik Nemtsov 971eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 972eecc4800SJohannes Berg bool wowlan; 973eecc4800SJohannes Berg 97404ecd257SJohannes Berg /* number of RX chains the hardware has */ 97504ecd257SJohannes Berg u8 rx_chains; 97604ecd257SJohannes Berg 977b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 978f0706e82SJiri Benc 979f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 980f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 981f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 982f0706e82SJiri Benc * queues increases over the limit. */ 983f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 984f0706e82SJiri Benc struct tasklet_struct tasklet; 985f0706e82SJiri Benc struct sk_buff_head skb_queue; 986f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 987f0706e82SJiri Benc 98824a8fdadSChristian Lamparter /* 98924a8fdadSChristian Lamparter * Internal FIFO queue which is shared between multiple rx path 99024a8fdadSChristian Lamparter * stages. Its main task is to provide a serialization mechanism, 99124a8fdadSChristian Lamparter * so all rx handlers can enjoy having exclusive access to their 99224a8fdadSChristian Lamparter * private data structures. 99324a8fdadSChristian Lamparter */ 99424a8fdadSChristian Lamparter struct sk_buff_head rx_skb_queue; 99524a8fdadSChristian Lamparter bool running_rx_handler; /* protected by rx_skb_queue.lock */ 99624a8fdadSChristian Lamparter 997d0709a65SJohannes Berg /* Station data */ 998d0709a65SJohannes Berg /* 9994d33960bSJohannes Berg * The mutex only protects the list, hash table and 10004d33960bSJohannes Berg * counter, reads are done with RCU. 1001d0709a65SJohannes Berg */ 100234e89507SJohannes Berg struct mutex sta_mtx; 10034d33960bSJohannes Berg spinlock_t tim_lock; 1004d0709a65SJohannes Berg unsigned long num_sta; 10054d33960bSJohannes Berg struct list_head sta_list; 100640b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 1007f0706e82SJiri Benc struct timer_list sta_cleanup; 1008f5ea9120SJohannes Berg int sta_generation; 1009f0706e82SJiri Benc 10102a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1011f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1012f0706e82SJiri Benc 1013a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1014cd8ffc80SJohannes Berg 1015f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 101653918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 1017f0706e82SJiri Benc 1018f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1019f0706e82SJiri Benc 10205f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 10215f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1022f0706e82SJiri Benc u32 wep_iv; 1023f0706e82SJiri Benc 1024c771c9d8SJohannes Berg /* see iface.c */ 102579010420SJohannes Berg struct list_head interfaces; 1026c771c9d8SJohannes Berg struct mutex iflist_mtx; 102779010420SJohannes Berg 1028b16bd15cSJohannes Berg /* 1029ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1030b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1031b16bd15cSJohannes Berg */ 1032ad0e2b5aSJohannes Berg struct mutex key_mtx; 1033b16bd15cSJohannes Berg 1034a1699b75SJohannes Berg /* mutex for scan and work locking */ 1035a1699b75SJohannes Berg struct mutex mtx; 1036b16bd15cSJohannes Berg 1037c2b13452SJohannes Berg /* Scanning and BSS list */ 1038fbe9c429SHelmut Schaa unsigned long scanning; 10392a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 10405ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 10414d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 10422a519311SJohannes Berg struct ieee80211_channel *scan_channel; 10434d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1044f0706e82SJiri Benc int scan_channel_idx; 1045de95a54bSJohannes Berg int scan_ies_len; 1046c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 10478318d78aSJohannes Berg 104885a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 10495260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 105079f460caSLuciano Coelho 1051df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1052977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1053f0706e82SJiri Benc struct delayed_work scan_work; 1054e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 105555de908aSJohannes Berg struct ieee80211_channel *csa_channel; 105655de908aSJohannes Berg /* For backward compatibility only -- do not use */ 105755de908aSJohannes Berg struct ieee80211_channel *_oper_channel; 10580aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 1059f0706e82SJiri Benc 1060b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1061b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1062b8bc4b0aSJohannes Berg 1063d01a1e65SMichal Kazior /* channel contexts */ 1064d01a1e65SMichal Kazior struct list_head chanctx_list; 1065d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1066d01a1e65SMichal Kazior 1067f0706e82SJiri Benc /* SNMP counters */ 1068f0706e82SJiri Benc /* dot11CountersTable */ 1069f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1070f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1071f0706e82SJiri Benc u32 dot11FailedCount; 1072f0706e82SJiri Benc u32 dot11RetryCount; 1073f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1074f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1075f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1076f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1077f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1078f0706e82SJiri Benc 1079f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1080f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 1081cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1082e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1083cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1084cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1085f0706e82SJiri Benc #endif 1086f0706e82SJiri Benc 1087f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1088f0706e82SJiri Benc /* TX/RX handler statistics */ 1089f0706e82SJiri Benc unsigned int tx_handlers_drop; 1090f0706e82SJiri Benc unsigned int tx_handlers_queued; 1091f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1092f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1093f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1094f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1095f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1096f0706e82SJiri Benc unsigned int rx_handlers_drop; 1097f0706e82SJiri Benc unsigned int rx_handlers_queued; 1098f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1099f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1100f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1101f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1102f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1103f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1104f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1105f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1106f0706e82SJiri Benc unsigned int tx_status_drop; 1107f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1108f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1109f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1110f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1111f0706e82SJiri Benc 1112f0706e82SJiri Benc 1113f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1114f0706e82SJiri Benc * multicast packets for power saving stations 1115f0706e82SJiri Benc */ 1116520eb820SKalle Valo 1117572e0012SKalle Valo bool pspolling; 1118b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1119965bedadSJohannes Berg /* 1120965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1121965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1122965bedadSJohannes Berg */ 1123965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1124520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1125520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1126520eb820SKalle Valo struct timer_list dynamic_ps_timer; 112710f644a4SJohannes Berg struct notifier_block network_latency_notifier; 11282b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1129a65240c1SJohannes Berg struct notifier_block ifa6_notifier; 1130f0706e82SJiri Benc 1131ff616381SJuuso Oikarinen /* 1132ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1133ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1134ff616381SJuuso Oikarinen */ 1135ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1136f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 1137f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 1138ff616381SJuuso Oikarinen 11391ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 11402bf30fabSJohannes Berg 11410f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 11420f78231bSJohannes Berg 1143f2753ddbSJohannes Berg struct work_struct restart_work; 1144f2753ddbSJohannes Berg 1145e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1146e9f207f0SJiri Benc struct local_debugfsdentries { 11474b7679a5SJohannes Berg struct dentry *rcdir; 1148e9f207f0SJiri Benc struct dentry *keys; 1149e9f207f0SJiri Benc } debugfs; 1150e9f207f0SJiri Benc #endif 11514e6cbfd0SJohn W. Linville 11522eb278e0SJohannes Berg /* 11532eb278e0SJohannes Berg * Remain-on-channel support 11542eb278e0SJohannes Berg */ 11552eb278e0SJohannes Berg struct list_head roc_list; 115621f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 11572eb278e0SJohannes Berg unsigned long hw_roc_start_time; 115850febf6aSJohannes Berg u64 roc_cookie_counter; 115921f83589SJohannes Berg 1160a729cff8SJohannes Berg struct idr ack_status_frames; 1161a729cff8SJohannes Berg spinlock_t ack_status_lock; 1162a729cff8SJohannes Berg 1163f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1164f142c6b9SJohannes Berg 11654e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 11664e6cbfd0SJohn W. Linville struct net_device napi_dev; 11674e6cbfd0SJohn W. Linville 11684e6cbfd0SJohn W. Linville struct napi_struct napi; 11694b6f1dd6SJohannes Berg 11704b6f1dd6SJohannes Berg /* virtual monitor interface */ 11714b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 11724bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1173f0706e82SJiri Benc }; 1174f0706e82SJiri Benc 11753e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 11763e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 11773e122be0SJohannes Berg { 11783e122be0SJohannes Berg return netdev_priv(dev); 11793e122be0SJohannes Berg } 11803e122be0SJohannes Berg 118171bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 118271bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 118371bbc994SJohannes Berg { 118471bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 118571bbc994SJohannes Berg } 118671bbc994SJohannes Berg 1187c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1188eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1189eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1190eadc8d9eSRon Rindjunsky u16 tid; 1191eadc8d9eSRon Rindjunsky }; 1192eadc8d9eSRon Rindjunsky 1193dd76986bSJohannes Berg /* Parsed Information Elements */ 1194dd76986bSJohannes Berg struct ieee802_11_elems { 1195dd76986bSJohannes Berg u8 *ie_start; 1196dd76986bSJohannes Berg size_t total_len; 1197dd76986bSJohannes Berg 1198dd76986bSJohannes Berg /* pointers to IEs */ 1199dd76986bSJohannes Berg u8 *ssid; 1200dd76986bSJohannes Berg u8 *supp_rates; 1201dd76986bSJohannes Berg u8 *fh_params; 1202dd76986bSJohannes Berg u8 *ds_params; 1203dd76986bSJohannes Berg u8 *cf_params; 1204dd76986bSJohannes Berg struct ieee80211_tim_ie *tim; 1205dd76986bSJohannes Berg u8 *ibss_params; 1206dd76986bSJohannes Berg u8 *challenge; 1207dd76986bSJohannes Berg u8 *wpa; 1208dd76986bSJohannes Berg u8 *rsn; 1209dd76986bSJohannes Berg u8 *erp_info; 1210dd76986bSJohannes Berg u8 *ext_supp_rates; 1211dd76986bSJohannes Berg u8 *wmm_info; 1212dd76986bSJohannes Berg u8 *wmm_param; 1213dd76986bSJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1214074d46d1SJohannes Berg struct ieee80211_ht_operation *ht_operation; 1215818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_elem; 1216818255eaSMahesh Palivela struct ieee80211_vht_operation *vht_operation; 1217dd76986bSJohannes Berg struct ieee80211_meshconf_ie *mesh_config; 1218dd76986bSJohannes Berg u8 *mesh_id; 1219dd76986bSJohannes Berg u8 *peering; 1220dd76986bSJohannes Berg u8 *preq; 1221dd76986bSJohannes Berg u8 *prep; 1222dd76986bSJohannes Berg u8 *perr; 1223dd76986bSJohannes Berg struct ieee80211_rann_ie *rann; 12245bc1420bSJohannes Berg struct ieee80211_channel_sw_ie *ch_switch_ie; 1225dd76986bSJohannes Berg u8 *country_elem; 1226dd76986bSJohannes Berg u8 *pwr_constr_elem; 1227dd76986bSJohannes Berg u8 *quiet_elem; /* first quite element */ 1228dd76986bSJohannes Berg u8 *timeout_int; 1229dd76986bSJohannes Berg 1230dd76986bSJohannes Berg /* length of them, respectively */ 1231dd76986bSJohannes Berg u8 ssid_len; 1232dd76986bSJohannes Berg u8 supp_rates_len; 1233dd76986bSJohannes Berg u8 fh_params_len; 1234dd76986bSJohannes Berg u8 ds_params_len; 1235dd76986bSJohannes Berg u8 cf_params_len; 1236dd76986bSJohannes Berg u8 tim_len; 1237dd76986bSJohannes Berg u8 ibss_params_len; 1238dd76986bSJohannes Berg u8 challenge_len; 1239dd76986bSJohannes Berg u8 wpa_len; 1240dd76986bSJohannes Berg u8 rsn_len; 1241dd76986bSJohannes Berg u8 erp_info_len; 1242dd76986bSJohannes Berg u8 ext_supp_rates_len; 1243dd76986bSJohannes Berg u8 wmm_info_len; 1244dd76986bSJohannes Berg u8 wmm_param_len; 1245dd76986bSJohannes Berg u8 mesh_id_len; 1246dd76986bSJohannes Berg u8 peering_len; 1247dd76986bSJohannes Berg u8 preq_len; 1248dd76986bSJohannes Berg u8 prep_len; 1249dd76986bSJohannes Berg u8 perr_len; 1250dd76986bSJohannes Berg u8 country_elem_len; 1251dd76986bSJohannes Berg u8 quiet_elem_len; 1252dd76986bSJohannes Berg u8 num_of_quiet_elem; /* can be more the one */ 1253dd76986bSJohannes Berg u8 timeout_int_len; 1254fcff4f10SPaul Stewart 1255fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1256fcff4f10SPaul Stewart bool parse_error; 1257dd76986bSJohannes Berg }; 1258dd76986bSJohannes Berg 1259f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1260f0706e82SJiri Benc struct ieee80211_hw *hw) 1261f0706e82SJiri Benc { 1262f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1263f0706e82SJiri Benc } 1264f0706e82SJiri Benc 1265f0706e82SJiri Benc 1266571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1267571ecf67SJohannes Berg { 1268b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1269571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1270571ecf67SJohannes Berg } 1271571ecf67SJohannes Berg 1272f4bda337SThomas Pedersen static inline bool 1273f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1274f4bda337SThomas Pedersen { 1275f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1276f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1277f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1278f4bda337SThomas Pedersen } 1279571ecf67SJohannes Berg 1280f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1281f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1282f4bda337SThomas Pedersen unsigned int mpdu_len, 1283f4bda337SThomas Pedersen unsigned int mpdu_offset); 1284e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 12855cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 12869c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 12879c6bd790SJohannes Berg u32 changed); 12880d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 128946900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1290f0706e82SJiri Benc 129146900298SJohannes Berg /* STA code */ 12929c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 129377fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 129477fdaa12SJohannes Berg struct cfg80211_auth_request *req); 129577fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 129677fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 129777fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 129863c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 129977fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 130063c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1301572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1302572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 130310f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1304ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 130510f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 130610f644a4SJohannes Berg unsigned long data, void *dummy); 13072b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1308cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1309cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 13105ce6e438SJohannes Berg struct ieee80211_bss *bss, 13115ce6e438SJohannes Berg u64 timestamp); 13125bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 13135bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 13141fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 13151fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13161fa57d01SJohannes Berg struct sk_buff *skb); 1317d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1318be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1319afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 13209c6bd790SJohannes Berg 132146900298SJohannes Berg /* IBSS code */ 132246900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 132346900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 13248bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 13258bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1326af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1327af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1328af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 13295bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 13305bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 13311fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 13321fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13331fa57d01SJohannes Berg struct sk_buff *skb); 13341fa57d01SJohannes Berg 13351fa57d01SJohannes Berg /* mesh code */ 13361fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 13371fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13381fa57d01SJohannes Berg struct sk_buff *skb); 133946900298SJohannes Berg 13409c6bd790SJohannes Berg /* scan/BSS handling */ 134146900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 134234bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1343be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1344be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1345c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 13462a519311SJohannes Berg struct cfg80211_scan_request *req); 13475bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1348133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1349d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 13509c6bd790SJohannes Berg 13510a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1352c2b13452SJohannes Berg struct ieee80211_bss * 135398c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 135498c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 135598c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 135698c8fccfSJohannes Berg size_t len, 135798c8fccfSJohannes Berg struct ieee802_11_elems *elems, 1358d45c4172SEmmanuel Grumbach struct ieee80211_channel *channel); 135998c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1360c2b13452SJohannes Berg struct ieee80211_bss *bss); 1361ee385855SLuis Carlos Cobo 136279f460caSLuciano Coelho /* scheduled scan handling */ 136379f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 136479f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 136585a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 136685a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 136779f460caSLuciano Coelho 1368b203ffc3SJouni Malinen /* off-channel helpers */ 1369aacde9eeSStanislaw Gruszka void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); 1370aacde9eeSStanislaw Gruszka void ieee80211_offchannel_return(struct ieee80211_local *local); 13712eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 13722eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 13732eb278e0SJohannes Berg void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); 13742eb278e0SJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); 13752eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 13762eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1377b203ffc3SJouni Malinen 13783e122be0SJohannes Berg /* interface handling */ 137947846c9bSJohannes Berg int ieee80211_iface_init(void); 138047846c9bSJohannes Berg void ieee80211_iface_exit(void); 13813e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 138284efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1383ee385855SLuis Carlos Cobo struct vif_params *params); 1384f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 138505c914feSJohannes Berg enum nl80211_iftype type); 1386f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 138775636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 13885cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 138985416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 139085416a4fSChristian Lamparter const int offset); 1391f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1392f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 1393f0706e82SJiri Benc 13941ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13951ea6f9c0SJohannes Berg void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13961ea6f9c0SJohannes Berg 13979607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 13989607e6b6SJohannes Berg { 139934d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 14009607e6b6SJohannes Berg } 14019607e6b6SJohannes Berg 1402e2ebc74dSJohannes Berg /* tx handling */ 1403e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1404e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1405d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1406d0cf9c0dSStephen Hemminger struct net_device *dev); 1407d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1408d0cf9c0dSStephen Hemminger struct net_device *dev); 14091f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 14101f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 1411e2ebc74dSJohannes Berg 1412de1ede7aSJohannes Berg /* HT */ 1413ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1414ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1415ef96a842SBen Greear void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1416ef96a842SBen Greear struct ieee80211_supported_band *sband, 1417ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1418d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1419b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1420b8695a8fSJohannes Berg const u8 *da, u16 tid, 1421b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 14220f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 14230f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 14240f78231bSJohannes Berg const u8 *bssid); 1425d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1426de1ede7aSJohannes Berg 14277c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 142853f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1429849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 143053f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1431c82c4a80SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, 1432c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 1433de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1434de1ede7aSJohannes Berg struct sta_info *sta, 1435de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1436de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1437de1ede7aSJohannes Berg struct sta_info *sta, 1438de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1439de1ede7aSJohannes Berg size_t len); 1440de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1441de1ede7aSJohannes Berg struct sta_info *sta, 1442de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1443de1ede7aSJohannes Berg size_t len); 1444de1ede7aSJohannes Berg 1445849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1446c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 144767c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1448c82c4a80SJohannes Berg enum ieee80211_agg_stop_reason reason); 14495d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 14505d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 145167c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 145267c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 14532bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1454849b7967SJohannes Berg 145504ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 145604ecd257SJohannes Berg 1457818255eaSMahesh Palivela /* VHT */ 1458818255eaSMahesh Palivela void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1459818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 1460818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_ie, 1461818255eaSMahesh Palivela struct ieee80211_sta_vht_cap *vht_cap); 146239192c0bSJohannes Berg /* Spectrum management */ 146339192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 146439192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 146539192c0bSJohannes Berg size_t len); 146639192c0bSJohannes Berg 1467f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1468f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 146984f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1470f2753ddbSJohannes Berg 1471eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1472eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1473f2753ddbSJohannes Berg 1474f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1475f2753ddbSJohannes Berg { 147685f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 147785f72bc8SJohn W. Linville 147885f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 147985f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 148085f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 148185f72bc8SJohn W. Linville 1482f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1483f2753ddbSJohannes Berg } 1484665af4fcSBob Copeland 1485c2d1560aSJohannes Berg /* utility functions/constants */ 1486c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 148771364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 148805c914feSJohannes Berg enum nl80211_iftype type); 14894ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1490c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1491f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1492e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1493e6d6e342SJohannes Berg gfp_t gfp); 14943abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 14953abead59SJohannes Berg bool bss_notify); 149655de908aSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, 149755de908aSJohannes Berg enum ieee80211_band band); 1498cf6bb79aSHelmut Schaa 149955de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 150055de908aSJohannes Berg struct sk_buff *skb, int tid, 150155de908aSJohannes Berg enum ieee80211_band band); 150255de908aSJohannes Berg 150355de908aSJohannes Berg static inline void 150455de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 150555de908aSJohannes Berg struct sk_buff *skb, int tid, 150655de908aSJohannes Berg enum ieee80211_band band) 150755de908aSJohannes Berg { 150855de908aSJohannes Berg rcu_read_lock(); 150955de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 151055de908aSJohannes Berg rcu_read_unlock(); 151155de908aSJohannes Berg } 151255de908aSJohannes Berg 151355de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 151455de908aSJohannes Berg struct sk_buff *skb, int tid) 151555de908aSJohannes Berg { 151655de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 151755de908aSJohannes Berg 151855de908aSJohannes Berg rcu_read_lock(); 151955de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 152055de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 152155de908aSJohannes Berg rcu_read_unlock(); 152255de908aSJohannes Berg kfree_skb(skb); 152355de908aSJohannes Berg return; 152455de908aSJohannes Berg } 152555de908aSJohannes Berg 152655de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 15274bf88530SJohannes Berg chanctx_conf->def.chan->band); 152855de908aSJohannes Berg rcu_read_unlock(); 152955de908aSJohannes Berg } 153055de908aSJohannes Berg 153155de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1532cf6bb79aSHelmut Schaa struct sk_buff *skb) 1533cf6bb79aSHelmut Schaa { 1534cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1535cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1536cf6bb79aSHelmut Schaa } 1537cf6bb79aSHelmut Schaa 15389c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 15399c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1540d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1541d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1542d91f36dbSJohannes Berg u64 filter, u32 crc); 1543881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 154496dd22acSJohannes Berg enum ieee80211_band band); 1545f0706e82SJiri Benc 1546520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1547520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1548520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1549a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1550a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1551a97b77b9SVivek Natarajan int powersave); 15523cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 15533cf335d5SKalle Valo struct ieee80211_hdr *hdr); 15544e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 155504ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 1556520eb820SKalle Valo 1557ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1558ce7c9111SKalle Valo enum queue_stop_reason reason); 1559ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1560ce7c9111SKalle Valo enum queue_stop_reason reason); 156196f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 156296f5e66eSJohannes Berg enum queue_stop_reason reason); 156396f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 156496f5e66eSJohannes Berg enum queue_stop_reason reason); 15653a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 15668f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 15678f77f384SJohannes Berg struct sk_buff *skb); 1568b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 156950a9432dSJohannes Berg struct sk_buff_head *skbs, 157050a9432dSJohannes Berg void (*fn)(void *data), void *data); 157178307daaSJohannes Berg static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, 157278307daaSJohannes Berg struct sk_buff_head *skbs) 157378307daaSJohannes Berg { 157478307daaSJohannes Berg ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); 157578307daaSJohannes Berg } 1576ce7c9111SKalle Valo 157746900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1578700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 1579fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1580efa6a09dSAntonio Quartulli const u8 *da, const u8 *key, u8 key_len, u8 key_idx); 15816ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 15826ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 15836ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1584de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1585c604b9f2SJohannes Berg size_t buffer_len, const u8 *ie, size_t ie_len, 1586651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1587651b5225SJouni Malinen u8 channel); 1588a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 158985a237feSJohannes Berg u8 *dst, u32 ratemask, 15906b77863bSJohannes Berg struct ieee80211_channel *chan, 1591a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1592a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1593a806c558SPaul Stewart bool directed); 159446900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1595de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1596a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1597fe94fe05SJohannes Berg u32 ratemask, bool directed, bool no_cck, 159855de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 159946900298SJohannes Berg 160046900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 160146900298SJohannes Berg const size_t supp_rates_len, 160246900298SJohannes Berg const u8 *supp_rates); 160346900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 160446900298SJohannes Berg struct ieee802_11_elems *elems, 16059ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 16060f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 16070f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 160804ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 160946900298SJohannes Berg 16108e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 16118e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 16128e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1613ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 161442e7aa77SAlexander Simon u16 cap); 1615074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 16164bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1617431e3154SAshok Nagarajan u16 prot_mode); 1618ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1619ba0afa2fSMahesh Palivela u32 cap); 1620fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 16216b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 16226b77863bSJohannes Berg enum ieee80211_band band); 1623fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 16246b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 16256b77863bSJohannes Berg enum ieee80211_band band); 16268e664fb3SJohannes Berg 1627f444de05SJohannes Berg /* channel management */ 16284bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 16294bf88530SJohannes Berg struct ieee80211_ht_operation *ht_oper, 16304bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1631f444de05SJohannes Berg 1632d01a1e65SMichal Kazior int __must_check 1633d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 16344bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1635d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 1636d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 16374d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 1638d01a1e65SMichal Kazior 163904ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 164004ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 164104ecd257SJohannes Berg 1642f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1643d9e8a70fSJohannes Berg #define debug_noinline noinline 1644d9e8a70fSJohannes Berg #else 1645d9e8a70fSJohannes Berg #define debug_noinline 1646d9e8a70fSJohannes Berg #endif 1647d9e8a70fSJohannes Berg 1648f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1649