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 9598f7dfd8SEmmanuel Grumbach u8 dtim_period; 9600d3f14cSJohannes Berg 9743ac2ca3SJouni Malinen bool wmm_used; 98ab13315aSKalle Valo bool uapsd_supported; 9900d3f14cSJohannes Berg 10000d3f14cSJohannes Berg unsigned long last_probe_resp; 10100d3f14cSJohannes Berg 102ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 103ee385855SLuis Carlos Cobo u8 *mesh_id; 104ee385855SLuis Carlos Cobo size_t mesh_id_len; 10524736701SJohn W. Linville u8 *mesh_cfg; 106902acc78SJohannes Berg #endif 10700d3f14cSJohannes Berg 108f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 109f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 110f0706e82SJiri Benc size_t supp_rates_len; 111f0706e82SJiri Benc 11200d3f14cSJohannes Berg /* 11325985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1145628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1155628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 11600d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 11700d3f14cSJohannes Berg */ 11800d3f14cSJohannes Berg bool has_erp_value; 1195628221cSDaniel Drake u8 erp_value; 120fcff4f10SPaul Stewart 121fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 122fcff4f10SPaul Stewart u8 corrupt_data; 123fcff4f10SPaul Stewart 124fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 125fcff4f10SPaul Stewart u8 valid_data; 126fcff4f10SPaul Stewart }; 127fcff4f10SPaul Stewart 128fcff4f10SPaul Stewart /** 129fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 130fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 131fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 132fcff4f10SPaul Stewart * 133fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 134fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 135fcff4f10SPaul Stewart */ 136fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 137fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 138fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 139fcff4f10SPaul Stewart }; 140fcff4f10SPaul Stewart 141fcff4f10SPaul Stewart /** 142fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 143fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE 144fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 145fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 146fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 147fcff4f10SPaul Stewart * 148fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 149fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 150fcff4f10SPaul Stewart * of the data structure were recieved as a result of an un-corrupted 151fcff4f10SPaul Stewart * beacon/probe response. 152fcff4f10SPaul Stewart */ 153fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 154fcff4f10SPaul Stewart IEEE80211_BSS_VALID_DTIM = BIT(0), 155fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 156fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 157fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 158f0706e82SJiri Benc }; 159f0706e82SJiri Benc 160c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 161902acc78SJohannes Berg { 162902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 163902acc78SJohannes Berg return bss->mesh_cfg; 164902acc78SJohannes Berg #endif 165902acc78SJohannes Berg return NULL; 166902acc78SJohannes Berg } 167902acc78SJohannes Berg 168c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 169902acc78SJohannes Berg { 170902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 171902acc78SJohannes Berg return bss->mesh_id; 172902acc78SJohannes Berg #endif 173902acc78SJohannes Berg return NULL; 174902acc78SJohannes Berg } 175902acc78SJohannes Berg 176c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 177902acc78SJohannes Berg { 178902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 179902acc78SJohannes Berg return bss->mesh_id_len; 180902acc78SJohannes Berg #endif 181902acc78SJohannes Berg return 0; 182902acc78SJohannes Berg } 183902acc78SJohannes Berg 184f0706e82SJiri Benc 1859ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1869ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1879ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1889ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1899ae54c84SJohannes Berg 1905cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1915cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1929ae54c84SJohannes Berg 1935cf121c3SJohannes Berg struct ieee80211_tx_data { 194f0706e82SJiri Benc struct sk_buff *skb; 195252b86c4SJohannes Berg struct sk_buff_head skbs; 196f0706e82SJiri Benc struct ieee80211_local *local; 197f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 198f0706e82SJiri Benc struct sta_info *sta; 199f0706e82SJiri Benc struct ieee80211_key *key; 2005cf121c3SJohannes Berg 201056cdd59SJohannes Berg unsigned int flags; 2025cf121c3SJohannes Berg }; 2035cf121c3SJohannes Berg 2045cf121c3SJohannes Berg 2055cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 2065cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 2075cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 2085cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 2095cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 2105cf121c3SJohannes Berg 211554891e6SJohannes Berg /** 212554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 213554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 214554891e6SJohannes Berg * (incl. multicast frames) 215554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 216554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 217554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 2184cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 219554891e6SJohannes Berg * 220554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 221554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 222554891e6SJohannes Berg */ 223554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 224554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 225554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 226554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 227554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2284cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 229554891e6SJohannes Berg }; 230554891e6SJohannes Berg 231554891e6SJohannes Berg /** 232554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 233554891e6SJohannes Berg * 234554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 235ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 236ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 237554891e6SJohannes Berg * 238554891e6SJohannes Berg * These flags are used across handling multiple interfaces 239554891e6SJohannes Berg * for a single frame. 240554891e6SJohannes Berg */ 241554891e6SJohannes Berg enum ieee80211_rx_flags { 242554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 243ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 244554891e6SJohannes Berg }; 2455cf121c3SJohannes Berg 2465cf121c3SJohannes Berg struct ieee80211_rx_data { 2475cf121c3SJohannes Berg struct sk_buff *skb; 2485cf121c3SJohannes Berg struct ieee80211_local *local; 2495cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2505cf121c3SJohannes Berg struct sta_info *sta; 2515cf121c3SJohannes Berg struct ieee80211_key *key; 252056cdd59SJohannes Berg 253056cdd59SJohannes Berg unsigned int flags; 2549e26297aSJohannes Berg 2559e26297aSJohannes Berg /* 2569e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2579e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2589e26297aSJohannes Berg * will be 16 on non-QoS frames. 2599e26297aSJohannes Berg */ 2609e26297aSJohannes Berg int seqno_idx; 2619e26297aSJohannes Berg 2629e26297aSJohannes Berg /* 2639e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2649e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2659e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2669e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2679e26297aSJohannes Berg */ 2689e26297aSJohannes Berg int security_idx; 2699e26297aSJohannes Berg 27050741ae0SJohannes Berg u32 tkip_iv32; 27150741ae0SJohannes Berg u16 tkip_iv16; 272f0706e82SJiri Benc }; 273f0706e82SJiri Benc 2745dfdaf58SJohannes Berg struct beacon_data { 2755dfdaf58SJohannes Berg u8 *head, *tail; 2765dfdaf58SJohannes Berg int head_len, tail_len; 2778860020eSJohannes Berg struct rcu_head rcu_head; 2785dfdaf58SJohannes Berg }; 2795dfdaf58SJohannes Berg 280aa7a0080SEyal Shapira struct probe_resp { 281aa7a0080SEyal Shapira struct rcu_head rcu_head; 282aa7a0080SEyal Shapira int len; 283aa7a0080SEyal Shapira u8 data[0]; 284aa7a0080SEyal Shapira }; 285aa7a0080SEyal Shapira 286d012a605SMarco Porsch struct ps_data { 287d012a605SMarco Porsch /* yes, this looks ugly, but guarantees that we can later use 288d012a605SMarco Porsch * bitmap_empty :) 289d012a605SMarco Porsch * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 290d012a605SMarco Porsch u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 291d012a605SMarco Porsch struct sk_buff_head bc_buf; 292d012a605SMarco Porsch atomic_t num_sta_ps; /* number of stations in PS mode */ 293d012a605SMarco Porsch int dtim_count; 294d012a605SMarco Porsch bool dtim_bc_mc; 295d012a605SMarco Porsch }; 296d012a605SMarco Porsch 297f0706e82SJiri Benc struct ieee80211_if_ap { 29840b275b6SJohannes Berg struct beacon_data __rcu *beacon; 299aa7a0080SEyal Shapira struct probe_resp __rcu *probe_resp; 300f0706e82SJiri Benc 3010ec3ca44SJohannes Berg struct list_head vlans; 3020ec3ca44SJohannes Berg 303d012a605SMarco Porsch struct ps_data ps; 304030ef8f8SFelix Fietkau atomic_t num_mcast_sta; /* number of stations receiving multicast */ 305f0706e82SJiri Benc }; 306f0706e82SJiri Benc 307f0706e82SJiri Benc struct ieee80211_if_wds { 308f0706e82SJiri Benc struct sta_info *sta; 309056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 310f0706e82SJiri Benc }; 311f0706e82SJiri Benc 312f0706e82SJiri Benc struct ieee80211_if_vlan { 3130ec3ca44SJohannes Berg struct list_head list; 314f14543eeSFelix Fietkau 315f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 31640b275b6SJohannes Berg struct sta_info __rcu *sta; 317f0706e82SJiri Benc }; 318f0706e82SJiri Benc 319ee385855SLuis Carlos Cobo struct mesh_stats { 320c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 321c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 322c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 323ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 324ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 325cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 326ee385855SLuis Carlos Cobo }; 327ee385855SLuis Carlos Cobo 328ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 329ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 330ee385855SLuis Carlos Cobo struct mesh_preq_queue { 331ee385855SLuis Carlos Cobo struct list_head list; 332ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 333ee385855SLuis Carlos Cobo u8 flags; 334ee385855SLuis Carlos Cobo }; 335ee385855SLuis Carlos Cobo 3362eb278e0SJohannes Berg #if HZ/100 == 0 3372eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT 1 3382eb278e0SJohannes Berg #else 3392eb278e0SJohannes Berg #define IEEE80211_ROC_MIN_LEFT (HZ/100) 3402eb278e0SJohannes Berg #endif 34177fdaa12SJohannes Berg 3422eb278e0SJohannes Berg struct ieee80211_roc_work { 34377fdaa12SJohannes Berg struct list_head list; 3442eb278e0SJohannes Berg struct list_head dependents; 345f679f65dSJohannes Berg 3462eb278e0SJohannes Berg struct delayed_work work; 347af6b6374SJohannes Berg 348af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 349af6b6374SJohannes Berg 350f679f65dSJohannes Berg struct ieee80211_channel *chan; 351af6b6374SJohannes Berg 3522eb278e0SJohannes Berg bool started, abort, hw_begun, notified; 353f679f65dSJohannes Berg 3542eb278e0SJohannes Berg unsigned long hw_start_time; 355e4da8c37SJohannes Berg 3562eb278e0SJohannes Berg u32 duration, req_duration; 357f30221e4SJohannes Berg struct sk_buff *frame; 35850febf6aSJohannes Berg u64 cookie, mgmt_tx_cookie; 35977fdaa12SJohannes Berg }; 36077fdaa12SJohannes Berg 36146900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 362ab1faeadSJohannes Berg enum ieee80211_sta_flags { 363b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 364b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 365b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 366a8243b72SJohannes Berg IEEE80211_STA_DISABLE_HT = BIT(4), 367b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 368b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 369ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 370375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 37117e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 37224398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 373d545dabaSMahesh Palivela IEEE80211_STA_DISABLE_VHT = BIT(11), 374f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), 375f2d9d270SJohannes Berg IEEE80211_STA_DISABLE_160MHZ = BIT(13), 376ab1faeadSJohannes Berg }; 377ab1faeadSJohannes Berg 37866e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 37966e67e41SJohannes Berg struct cfg80211_bss *bss; 38066e67e41SJohannes Berg unsigned long timeout; 38166e67e41SJohannes Berg int tries; 38266e67e41SJohannes Berg u16 algorithm, expected_transaction; 38366e67e41SJohannes Berg 38466e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 38566e67e41SJohannes Berg u8 key_len, key_idx; 38666e67e41SJohannes Berg bool done; 38766e67e41SJohannes Berg 3886b8ece3aSJouni Malinen u16 sae_trans, sae_status; 3896b8ece3aSJouni Malinen size_t data_len; 3906b8ece3aSJouni Malinen u8 data[]; 39166e67e41SJohannes Berg }; 39266e67e41SJohannes Berg 39366e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 39466e67e41SJohannes Berg struct cfg80211_bss *bss; 39566e67e41SJohannes Berg const u8 *supp_rates; 39666e67e41SJohannes Berg 39766e67e41SJohannes Berg unsigned long timeout; 39866e67e41SJohannes Berg int tries; 39966e67e41SJohannes Berg 40066e67e41SJohannes Berg u16 capability; 40166e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 40266e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 40366e67e41SJohannes Berg u8 ssid_len; 40466e67e41SJohannes Berg u8 supp_rates_len; 40576f0303dSJohannes Berg bool wmm, uapsd; 40666e67e41SJohannes Berg bool have_beacon; 40766e67e41SJohannes Berg bool sent_assoc; 40866e67e41SJohannes Berg bool synced; 40966e67e41SJohannes Berg 4109dde6423SJohannes Berg u8 ap_ht_param; 4119dde6423SJohannes Berg 41266e67e41SJohannes Berg size_t ie_len; 41366e67e41SJohannes Berg u8 ie[]; 41466e67e41SJohannes Berg }; 41566e67e41SJohannes Berg 41646900298SJohannes Berg struct ieee80211_if_managed { 417056cdd59SJohannes Berg struct timer_list timer; 418b291ba11SJohannes Berg struct timer_list conn_mon_timer; 419b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 420c481ec97SSujith struct timer_list chswitch_timer; 421b291ba11SJohannes Berg struct work_struct monitor_work; 422c481ec97SSujith struct work_struct chswitch_work; 4231e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 424882a7c69SJohannes Berg struct work_struct csa_connection_drop_work; 42546900298SJohannes Berg 4267ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 427b291ba11SJohannes Berg unsigned long probe_timeout; 428a43abf29SMaxim Levitsky int probe_send_count; 42904ac3c0eSFelix Fietkau bool nullfunc_failed; 430b291ba11SJohannes Berg 43177fdaa12SJohannes Berg struct mutex mtx; 4320c1ad2caSJohannes Berg struct cfg80211_bss *associated; 43366e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 43466e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 43546900298SJohannes Berg 43677fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 43746900298SJohannes Berg 438f0706e82SJiri Benc u16 aid; 439f0706e82SJiri Benc 4405bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 441965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 44205cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 4430f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 444d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 445d1f5b7a3SJohannes Berg 446d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 447965bedadSJohannes Berg 448d6f2da5bSJiri Slaby unsigned int flags; 449f0706e82SJiri Benc 450d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 451d91f36dbSJohannes Berg u32 beacon_crc; 452d91f36dbSJohannes Berg 453fdfacf0aSJouni Malinen enum { 454fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 455fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 456fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 457fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 458fdfacf0aSJouni Malinen 459dc41e4d4SEliad Peller /* 460dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 461dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 462dc41e4d4SEliad Peller * to take effect. 463dc41e4d4SEliad Peller */ 464dc41e4d4SEliad Peller unsigned int uapsd_queues; 465dc41e4d4SEliad Peller 466dc41e4d4SEliad Peller /* 467dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 468dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 469dc41e4d4SEliad Peller * Needs a new association to take effect. 470dc41e4d4SEliad Peller */ 471dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 472dc41e4d4SEliad Peller 473f0706e82SJiri Benc int wmm_last_param_set; 4749bc383deSJohannes Berg 4759bc383deSJohannes Berg u8 use_4addr; 47617e4ec14SJouni Malinen 477488dd7b5SJohannes Berg u8 p2p_noa_index; 478488dd7b5SJohannes Berg 47917e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 48017e4ec14SJouni Malinen int last_beacon_signal; 48117e4ec14SJouni Malinen 48217e4ec14SJouni Malinen /* 48317e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 48417e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 48517e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 48617e4ec14SJouni Malinen * divided by 16 to get the actual value. 48717e4ec14SJouni Malinen */ 48817e4ec14SJouni Malinen int ave_beacon_signal; 48917e4ec14SJouni Malinen 49017e4ec14SJouni Malinen /* 491391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 492391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 493391a200aSJouni Malinen * only on couple of received frames. 494391a200aSJouni Malinen */ 495391a200aSJouni Malinen unsigned int count_beacon_signal; 496391a200aSJouni Malinen 497391a200aSJouni Malinen /* 49817e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 49917e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 50017e4ec14SJouni Malinen * generated for the current association. 50117e4ec14SJouni Malinen */ 50217e4ec14SJouni Malinen int last_cqm_event_signal; 503615f7b9bSMeenakshi Venkataraman 504615f7b9bSMeenakshi Venkataraman /* 505615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 506615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 507615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 508615f7b9bSMeenakshi Venkataraman */ 509615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 510615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 511ef96a842SBen Greear 512ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 513ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 514f0706e82SJiri Benc }; 515f0706e82SJiri Benc 51646900298SJohannes Berg struct ieee80211_if_ibss { 51746900298SJohannes Berg struct timer_list timer; 51846900298SJohannes Berg 5197a17a33cSJohannes Berg struct mutex mtx; 5207a17a33cSJohannes Berg 521af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5225bb644a0SJohannes Berg 523fbd2c8dcSTeemu Paasikivi u32 basic_rates; 524fbd2c8dcSTeemu Paasikivi 5255bb644a0SJohannes Berg bool timer_running; 5265bb644a0SJohannes Berg 527af8cdcd8SJohannes Berg bool fixed_bssid; 528af8cdcd8SJohannes Berg bool fixed_channel; 529fffd0934SJohannes Berg bool privacy; 53046900298SJohannes Berg 531267335d6SAntonio Quartulli bool control_port; 5326abe0563SWill Hawkins unsigned int auth_frame_registrations; 533267335d6SAntonio Quartulli 5344d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 535af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 536af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 537af8cdcd8SJohannes Berg u8 *ie; 538af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 53913c40c54SAlexander Simon enum nl80211_channel_type channel_type; 54046900298SJohannes Berg 54146900298SJohannes Berg unsigned long ibss_join_req; 542af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 54340b275b6SJohannes Berg struct sk_buff __rcu *presp; 54440b275b6SJohannes Berg struct sk_buff *skb; 54546900298SJohannes Berg 5468bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5478bf11d8dSJohannes Berg struct list_head incomplete_stations; 5488bf11d8dSJohannes Berg 54946900298SJohannes Berg enum { 55046900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 55146900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 55246900298SJohannes Berg } state; 55346900298SJohannes Berg }; 55446900298SJohannes Berg 555dbf498fbSJavier Cardona /** 556dbf498fbSJavier Cardona * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface 557dbf498fbSJavier Cardona * 558dbf498fbSJavier Cardona * these declarations define the interface, which enables 559dbf498fbSJavier Cardona * vendor-specific mesh synchronization 560dbf498fbSJavier Cardona * 561dbf498fbSJavier Cardona */ 562dbf498fbSJavier Cardona struct ieee802_11_elems; 563dbf498fbSJavier Cardona struct ieee80211_mesh_sync_ops { 564dbf498fbSJavier Cardona void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, 565dbf498fbSJavier Cardona u16 stype, 566dbf498fbSJavier Cardona struct ieee80211_mgmt *mgmt, 567dbf498fbSJavier Cardona struct ieee802_11_elems *elems, 568dbf498fbSJavier Cardona struct ieee80211_rx_status *rx_status); 569dbf498fbSJavier Cardona void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); 570dbf498fbSJavier Cardona /* add other framework functions here */ 571dbf498fbSJavier Cardona }; 572dbf498fbSJavier Cardona 573472dbc45SJohannes Berg struct ieee80211_if_mesh { 574472dbc45SJohannes Berg struct timer_list housekeeping_timer; 575472dbc45SJohannes Berg struct timer_list mesh_path_timer; 576e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 577472dbc45SJohannes Berg 5785bb644a0SJohannes Berg unsigned long timers_running; 5795bb644a0SJohannes Berg 58018889231SJavier Cardona unsigned long wrkq_flags; 581472dbc45SJohannes Berg 582472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 583472dbc45SJohannes Berg size_t mesh_id_len; 584472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5853491707aSRui Paulo u8 mesh_pp_id; 586472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5873491707aSRui Paulo u8 mesh_pm_id; 588472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5893491707aSRui Paulo u8 mesh_cc_id; 5909e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5913491707aSRui Paulo u8 mesh_sp_id; 5929e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5933491707aSRui Paulo u8 mesh_auth_id; 594d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 595d19b3bf6SRui Paulo u32 sn; 596472dbc45SJohannes Berg /* Last used PREQ ID */ 597472dbc45SJohannes Berg u32 preq_id; 598472dbc45SJohannes Berg atomic_t mpaths; 599d19b3bf6SRui Paulo /* Timestamp of last SN update */ 600d19b3bf6SRui Paulo unsigned long last_sn_update; 601dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 602dca7e943SThomas Pedersen unsigned long next_perr; 603dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 604472dbc45SJohannes Berg unsigned long last_preq; 605472dbc45SJohannes Berg struct mesh_rmc *rmc; 606472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 607472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 608472dbc45SJohannes Berg int preq_queue_len; 609472dbc45SJohannes Berg struct mesh_stats mshstats; 610472dbc45SJohannes Berg struct mesh_config mshcfg; 6111258d976SAshok Nagarajan atomic_t estab_plinks; 612472dbc45SJohannes Berg u32 mesh_seqnum; 613472dbc45SJohannes Berg bool accepting_plinks; 6145ee68e5bSJavier Cardona int num_gates; 615581a8b0fSJavier Cardona const u8 *ie; 616581a8b0fSJavier Cardona u8 ie_len; 617b130e5ceSJavier Cardona enum { 618b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 619b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 620b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 621b130e5ceSJavier Cardona } security; 622dbf498fbSJavier Cardona /* Extensible Synchronization Framework */ 6238ba7acf3SJohannes Berg const struct ieee80211_mesh_sync_ops *sync_ops; 624dbf498fbSJavier Cardona s64 sync_offset_clockdrift_max; 625dbf498fbSJavier Cardona spinlock_t sync_offset_lock; 626dbf498fbSJavier Cardona bool adjusting_tbtt; 627472dbc45SJohannes Berg }; 628902acc78SJohannes Berg 629902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 630472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 631472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 632902acc78SJohannes Berg #else 633472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 634902acc78SJohannes Berg do { } while (0) 635902acc78SJohannes Berg #endif 636f0706e82SJiri Benc 637213cd118SJohannes Berg /** 638213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 639213cd118SJohannes Berg * 640213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 641213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 642213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 643213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 644213cd118SJohannes Berg * associated stations and deliver multicast frames both 645213cd118SJohannes Berg * back to wireless media and to the local net stack. 64695acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6477b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 648213cd118SJohannes Berg */ 649213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 650213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 651213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6527986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6537986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 65495acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6557b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 656213cd118SJohannes Berg }; 657213cd118SJohannes Berg 65834d4bc4dSJohannes Berg /** 65934d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 66034d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 66134d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 66234d4bc4dSJohannes Berg * change handling while the interface is up 6635b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6645b714c6aSJohannes Berg * mode, so queues are stopped 66534d4bc4dSJohannes Berg */ 66634d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 66734d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6685b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 66934d4bc4dSJohannes Berg }; 67034d4bc4dSJohannes Berg 671d01a1e65SMichal Kazior /** 672d01a1e65SMichal Kazior * enum ieee80211_chanctx_mode - channel context configuration mode 673d01a1e65SMichal Kazior * 674d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_SHARED: channel context may be used by 675d01a1e65SMichal Kazior * multiple interfaces 676d01a1e65SMichal Kazior * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used 677d01a1e65SMichal Kazior * only by a single interface. This can be used for example for 678d01a1e65SMichal Kazior * non-fixed channel IBSS. 679d01a1e65SMichal Kazior */ 680d01a1e65SMichal Kazior enum ieee80211_chanctx_mode { 681d01a1e65SMichal Kazior IEEE80211_CHANCTX_SHARED, 682d01a1e65SMichal Kazior IEEE80211_CHANCTX_EXCLUSIVE 683d01a1e65SMichal Kazior }; 684d01a1e65SMichal Kazior 685d01a1e65SMichal Kazior struct ieee80211_chanctx { 686d01a1e65SMichal Kazior struct list_head list; 687d01a1e65SMichal Kazior struct rcu_head rcu_head; 688d01a1e65SMichal Kazior 689d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode; 690d01a1e65SMichal Kazior int refcount; 691d01a1e65SMichal Kazior 692d01a1e65SMichal Kazior struct ieee80211_chanctx_conf conf; 693d01a1e65SMichal Kazior }; 694d01a1e65SMichal Kazior 695f0706e82SJiri Benc struct ieee80211_sub_if_data { 696f0706e82SJiri Benc struct list_head list; 697f0706e82SJiri Benc 698f0706e82SJiri Benc struct wireless_dev wdev; 699f0706e82SJiri Benc 70011a843b7SJohannes Berg /* keys */ 70111a843b7SJohannes Berg struct list_head key_list; 70211a843b7SJohannes Berg 7033bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 7043bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 7053bff1865SYogesh Ashok Powar 706f0706e82SJiri Benc struct net_device *dev; 707f0706e82SJiri Benc struct ieee80211_local *local; 708f0706e82SJiri Benc 70913262ffdSJiri Slaby unsigned int flags; 7107e9ed188SDaniel Drake 71134d4bc4dSJohannes Berg unsigned long state; 71234d4bc4dSJohannes Berg 713f0706e82SJiri Benc int drop_unencrypted; 714f0706e82SJiri Benc 71547846c9bSJohannes Berg char name[IFNAMSIZ]; 71647846c9bSJohannes Berg 7177da7cc1dSJohannes Berg /* to detect idle changes */ 7187da7cc1dSJohannes Berg bool old_idle; 7197da7cc1dSJohannes Berg 720f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 721f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 722f0706e82SJiri Benc unsigned int fragment_next; 723f0706e82SJiri Benc 724b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 725b53be792SSimon Wunderlich u16 noack_map; 726b53be792SSimon Wunderlich 72700e96decSYoni Divinsky /* bit field of ACM bits (BIT(802.1D tag)) */ 72800e96decSYoni Divinsky u8 wmm_acm; 72900e96decSYoni Divinsky 73040b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 73140b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 73240b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 73340b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 734f0706e82SJiri Benc 73594778280SJohannes Berg u16 sequence_number; 736a621fa4dSJohannes Berg __be16 control_port_protocol; 737a621fa4dSJohannes Berg bool control_port_no_encrypt; 73894778280SJohannes Berg 73954bcbc69SJohannes Berg struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; 740f6f3def3SEliad Peller 74104ecd257SJohannes Berg /* used to reconfigure hardware SM PS */ 74204ecd257SJohannes Berg struct work_struct recalc_smps; 74304ecd257SJohannes Berg 74464592c8fSJohannes Berg struct work_struct work; 74535f20c14SJohannes Berg struct sk_buff_head skb_queue; 74635f20c14SJohannes Berg 74768542962SJuuso Oikarinen bool arp_filter_state; 74868542962SJuuso Oikarinen 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 78932bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 79032bfd35dSJohannes Berg struct ieee80211_vif vif; 791f0706e82SJiri Benc }; 792f0706e82SJiri Benc 79332bfd35dSJohannes Berg static inline 79432bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 79532bfd35dSJohannes Berg { 79632bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 79732bfd35dSJohannes Berg } 79832bfd35dSJohannes Berg 79955de908aSJohannes Berg static inline enum ieee80211_band 80055de908aSJohannes Berg ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) 80155de908aSJohannes Berg { 80255de908aSJohannes Berg enum ieee80211_band band = IEEE80211_BAND_2GHZ; 80355de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 80455de908aSJohannes Berg 80555de908aSJohannes Berg rcu_read_lock(); 80655de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 80755de908aSJohannes Berg if (!WARN_ON(!chanctx_conf)) 8084bf88530SJohannes Berg band = chanctx_conf->def.chan->band; 80955de908aSJohannes Berg rcu_read_unlock(); 81055de908aSJohannes Berg 81155de908aSJohannes Berg return band; 81255de908aSJohannes Berg } 81355de908aSJohannes Berg 814c1475ca9SJohannes Berg enum sdata_queue_type { 815c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 816c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 817c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 818c1475ca9SJohannes Berg }; 819c1475ca9SJohannes Berg 820f0706e82SJiri Benc enum { 821f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 822f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 82337fbd908SJohannes Berg IEEE80211_EOSP_MSG = 3, 82437fbd908SJohannes Berg }; 82537fbd908SJohannes Berg 82637fbd908SJohannes Berg struct skb_eosp_msg_data { 82737fbd908SJohannes Berg u8 sta[ETH_ALEN], iface[ETH_ALEN]; 828f0706e82SJiri Benc }; 829f0706e82SJiri Benc 830ce7c9111SKalle Valo enum queue_stop_reason { 831ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 832520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 83396f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 83496f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 83525420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 8368f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 837ce7c9111SKalle Valo }; 838ce7c9111SKalle Valo 83965a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 840e1e54068SJohannes Berg struct tpt_led_trigger { 841e1e54068SJohannes Berg struct led_trigger trig; 842e1e54068SJohannes Berg char name[32]; 843e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 844e1e54068SJohannes Berg unsigned int blink_table_len; 845e1e54068SJohannes Berg struct timer_list timer; 846e1e54068SJohannes Berg unsigned long prev_traffic; 847e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 84867408c8cSJohannes Berg unsigned int active, want; 84967408c8cSJohannes Berg bool running; 850e1e54068SJohannes Berg }; 85165a6538aSLuciano Coelho #endif 852e1e54068SJohannes Berg 853142b9f50SHelmut Schaa /** 854142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 855142b9f50SHelmut Schaa * 856142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 857142b9f50SHelmut Schaa * well be on the operating channel 858142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 859142b9f50SHelmut Schaa * determine if we are on the operating channel or not 8608a690674SBen Greear * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating 8618a690674SBen Greear * channel. This should not interrupt normal traffic. 8628789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 8638789d459SJohannes Berg * that the scan completed. 8648789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 8658789d459SJohannes Berg * a scan complete for an aborted scan. 866142b9f50SHelmut Schaa */ 867fbe9c429SHelmut Schaa enum { 868fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 869142b9f50SHelmut Schaa SCAN_HW_SCANNING, 8708a690674SBen Greear SCAN_ONCHANNEL_SCANNING, 8718789d459SJohannes Berg SCAN_COMPLETED, 8728789d459SJohannes Berg SCAN_ABORTED, 873142b9f50SHelmut Schaa }; 874142b9f50SHelmut Schaa 875142b9f50SHelmut Schaa /** 876142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 877142b9f50SHelmut Schaa * 878142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 879142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 880142b9f50SHelmut Schaa * operating channel 881142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 882142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 88307ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 88407ef03eeSJohannes Berg * send out data 88507ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 886cd2bb512SSam Leffler * @SCAN_ABORT: Abort the scan and go back to operating channel 887142b9f50SHelmut Schaa */ 888142b9f50SHelmut Schaa enum mac80211_scan_state { 889142b9f50SHelmut Schaa SCAN_DECISION, 890142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 891142b9f50SHelmut Schaa SCAN_SEND_PROBE, 89207ef03eeSJohannes Berg SCAN_SUSPEND, 89307ef03eeSJohannes Berg SCAN_RESUME, 894cd2bb512SSam Leffler SCAN_ABORT, 895fbe9c429SHelmut Schaa }; 896fbe9c429SHelmut Schaa 897f0706e82SJiri Benc struct ieee80211_local { 898f0706e82SJiri Benc /* embed the driver visible part. 899f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 900f0706e82SJiri Benc * it first anyway so they become a no-op */ 901f0706e82SJiri Benc struct ieee80211_hw hw; 902f0706e82SJiri Benc 903f0706e82SJiri Benc const struct ieee80211_ops *ops; 904f0706e82SJiri Benc 90542935ecaSLuis R. Rodriguez /* 90642935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 90742935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 90842935ecaSLuis R. Rodriguez */ 90942935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 91042935ecaSLuis R. Rodriguez 911e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 91296f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 913ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 91496f5e66eSJohannes Berg 915f0706e82SJiri Benc int open_count; 9163d30d949SMichael Wu int monitors, cooked_mntrs; 9178cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 9187be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 9197be5086dSJohannes Berg fif_probe_req; 9207be5086dSJohannes Berg int probe_req_reg; 9214150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 9223b8d81e0SJohannes Berg 9233ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 9243ffc2a90SJohannes Berg 925fe57d9f5SJohannes Berg bool use_chanctx; 926fe57d9f5SJohannes Berg 9273b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 9283b8d81e0SJohannes Berg spinlock_t filter_lock; 9293b8d81e0SJohannes Berg 9303ac64beeSJohannes Berg /* used for uploading changed mc list */ 9313ac64beeSJohannes Berg struct work_struct reconfig_filter; 9323ac64beeSJohannes Berg 9333b8d81e0SJohannes Berg /* aggregated multicast list */ 93422bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 9353b8d81e0SJohannes Berg 936d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 9375bb644a0SJohannes Berg 9385bb644a0SJohannes Berg /* 9395bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 9405bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 9415bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 9425bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 9435bb644a0SJohannes Berg */ 9445bb644a0SJohannes Berg bool suspended; 9455bb644a0SJohannes Berg 9465bb644a0SJohannes Berg /* 947ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 948ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 949ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 950ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 951ceb99fe0SJohannes Berg */ 952ceb99fe0SJohannes Berg bool resuming; 953ceb99fe0SJohannes Berg 954ceb99fe0SJohannes Berg /* 9555bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 9565bb644a0SJohannes Berg * ease timer cancelling etc. 9575bb644a0SJohannes Berg */ 9585bb644a0SJohannes Berg bool quiescing; 9595bb644a0SJohannes Berg 960ea77f12fSJohannes Berg /* device is started */ 961ea77f12fSJohannes Berg bool started; 962ea77f12fSJohannes Berg 96304800adaSArik Nemtsov /* device is during a HW reconfig */ 96404800adaSArik Nemtsov bool in_reconfig; 96504800adaSArik Nemtsov 966eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 967eecc4800SJohannes Berg bool wowlan; 968eecc4800SJohannes Berg 96904ecd257SJohannes Berg /* number of RX chains the hardware has */ 97004ecd257SJohannes Berg u8 rx_chains; 97104ecd257SJohannes Berg 972b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 973f0706e82SJiri Benc 974f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 975f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 976f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 977f0706e82SJiri Benc * queues increases over the limit. */ 978f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 979f0706e82SJiri Benc struct tasklet_struct tasklet; 980f0706e82SJiri Benc struct sk_buff_head skb_queue; 981f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 982f0706e82SJiri Benc 98324a8fdadSChristian Lamparter /* 98424a8fdadSChristian Lamparter * Internal FIFO queue which is shared between multiple rx path 98524a8fdadSChristian Lamparter * stages. Its main task is to provide a serialization mechanism, 98624a8fdadSChristian Lamparter * so all rx handlers can enjoy having exclusive access to their 98724a8fdadSChristian Lamparter * private data structures. 98824a8fdadSChristian Lamparter */ 98924a8fdadSChristian Lamparter struct sk_buff_head rx_skb_queue; 99024a8fdadSChristian Lamparter bool running_rx_handler; /* protected by rx_skb_queue.lock */ 99124a8fdadSChristian Lamparter 992d0709a65SJohannes Berg /* Station data */ 993d0709a65SJohannes Berg /* 9944d33960bSJohannes Berg * The mutex only protects the list, hash table and 9954d33960bSJohannes Berg * counter, reads are done with RCU. 996d0709a65SJohannes Berg */ 99734e89507SJohannes Berg struct mutex sta_mtx; 9984d33960bSJohannes Berg spinlock_t tim_lock; 999d0709a65SJohannes Berg unsigned long num_sta; 10004d33960bSJohannes Berg struct list_head sta_list; 100140b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 1002f0706e82SJiri Benc struct timer_list sta_cleanup; 1003f5ea9120SJohannes Berg int sta_generation; 1004f0706e82SJiri Benc 10052a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 1006f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 1007f0706e82SJiri Benc 1008a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 1009cd8ffc80SJohannes Berg 1010f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 101153918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 1012f0706e82SJiri Benc 1013f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 1014f0706e82SJiri Benc 10155f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 10165f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 1017f0706e82SJiri Benc u32 wep_iv; 1018f0706e82SJiri Benc 1019c771c9d8SJohannes Berg /* see iface.c */ 102079010420SJohannes Berg struct list_head interfaces; 1021c771c9d8SJohannes Berg struct mutex iflist_mtx; 102279010420SJohannes Berg 1023b16bd15cSJohannes Berg /* 1024ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 1025b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 1026b16bd15cSJohannes Berg */ 1027ad0e2b5aSJohannes Berg struct mutex key_mtx; 1028b16bd15cSJohannes Berg 1029a1699b75SJohannes Berg /* mutex for scan and work locking */ 1030a1699b75SJohannes Berg struct mutex mtx; 1031b16bd15cSJohannes Berg 1032c2b13452SJohannes Berg /* Scanning and BSS list */ 1033fbe9c429SHelmut Schaa unsigned long scanning; 10342a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 10355ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 10364d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 10372a519311SJohannes Berg struct ieee80211_channel *scan_channel; 10384d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 1039f0706e82SJiri Benc int scan_channel_idx; 1040de95a54bSJohannes Berg int scan_ies_len; 1041c604b9f2SJohannes Berg int hw_scan_ies_bufsize; 10428318d78aSJohannes Berg 104385a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 10445260a5b2SJohannes Berg struct ieee80211_sub_if_data __rcu *sched_scan_sdata; 104579f460caSLuciano Coelho 1046df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 1047977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 1048f0706e82SJiri Benc struct delayed_work scan_work; 1049e2fd5dbcSJohannes Berg struct ieee80211_sub_if_data __rcu *scan_sdata; 105055de908aSJohannes Berg struct ieee80211_channel *csa_channel; 105155de908aSJohannes Berg /* For backward compatibility only -- do not use */ 105255de908aSJohannes Berg struct ieee80211_channel *_oper_channel; 10530aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 1054f0706e82SJiri Benc 1055b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 1056b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 1057b8bc4b0aSJohannes Berg 1058d01a1e65SMichal Kazior /* channel contexts */ 1059d01a1e65SMichal Kazior struct list_head chanctx_list; 1060d01a1e65SMichal Kazior struct mutex chanctx_mtx; 1061d01a1e65SMichal Kazior 1062f0706e82SJiri Benc /* SNMP counters */ 1063f0706e82SJiri Benc /* dot11CountersTable */ 1064f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 1065f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 1066f0706e82SJiri Benc u32 dot11FailedCount; 1067f0706e82SJiri Benc u32 dot11RetryCount; 1068f0706e82SJiri Benc u32 dot11MultipleRetryCount; 1069f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 1070f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 1071f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 1072f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 1073f0706e82SJiri Benc 1074f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 1075f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 1076cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 1077e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 1078cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 1079cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 1080f0706e82SJiri Benc #endif 1081f0706e82SJiri Benc 1082f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1083f0706e82SJiri Benc /* TX/RX handler statistics */ 1084f0706e82SJiri Benc unsigned int tx_handlers_drop; 1085f0706e82SJiri Benc unsigned int tx_handlers_queued; 1086f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1087f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1088f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1089f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1090f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1091f0706e82SJiri Benc unsigned int rx_handlers_drop; 1092f0706e82SJiri Benc unsigned int rx_handlers_queued; 1093f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1094f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1095f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1096f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1097f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1098f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1099f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1100f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1101f0706e82SJiri Benc unsigned int tx_status_drop; 1102f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1103f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1104f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1105f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1106f0706e82SJiri Benc 1107f0706e82SJiri Benc 1108f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1109f0706e82SJiri Benc * multicast packets for power saving stations 1110f0706e82SJiri Benc */ 1111520eb820SKalle Valo 1112572e0012SKalle Valo bool pspolling; 1113b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1114965bedadSJohannes Berg /* 1115965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1116965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1117965bedadSJohannes Berg */ 1118965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1119520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1120520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1121520eb820SKalle Valo struct timer_list dynamic_ps_timer; 112210f644a4SJohannes Berg struct notifier_block network_latency_notifier; 11232b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1124f0706e82SJiri Benc 1125ff616381SJuuso Oikarinen /* 1126ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1127ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1128ff616381SJuuso Oikarinen */ 1129ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1130f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 1131f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 1132ff616381SJuuso Oikarinen 11331ea6f9c0SJohannes Berg int user_power_level; /* in dBm, for all interfaces */ 11342bf30fabSJohannes Berg 11350f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 11360f78231bSJohannes Berg 1137f2753ddbSJohannes Berg struct work_struct restart_work; 1138f2753ddbSJohannes Berg 1139e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1140e9f207f0SJiri Benc struct local_debugfsdentries { 11414b7679a5SJohannes Berg struct dentry *rcdir; 1142e9f207f0SJiri Benc struct dentry *keys; 1143e9f207f0SJiri Benc } debugfs; 1144e9f207f0SJiri Benc #endif 11454e6cbfd0SJohn W. Linville 11462eb278e0SJohannes Berg /* 11472eb278e0SJohannes Berg * Remain-on-channel support 11482eb278e0SJohannes Berg */ 11492eb278e0SJohannes Berg struct list_head roc_list; 115021f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 11512eb278e0SJohannes Berg unsigned long hw_roc_start_time; 115250febf6aSJohannes Berg u64 roc_cookie_counter; 115321f83589SJohannes Berg 1154a729cff8SJohannes Berg struct idr ack_status_frames; 1155a729cff8SJohannes Berg spinlock_t ack_status_lock; 1156a729cff8SJohannes Berg 1157f142c6b9SJohannes Berg struct ieee80211_sub_if_data __rcu *p2p_sdata; 1158f142c6b9SJohannes Berg 11594e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 11604e6cbfd0SJohn W. Linville struct net_device napi_dev; 11614e6cbfd0SJohn W. Linville 11624e6cbfd0SJohn W. Linville struct napi_struct napi; 11634b6f1dd6SJohannes Berg 11644b6f1dd6SJohannes Berg /* virtual monitor interface */ 11654b6f1dd6SJohannes Berg struct ieee80211_sub_if_data __rcu *monitor_sdata; 11664bf88530SJohannes Berg struct cfg80211_chan_def monitor_chandef; 1167f0706e82SJiri Benc }; 1168f0706e82SJiri Benc 11693e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 11703e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 11713e122be0SJohannes Berg { 11723e122be0SJohannes Berg return netdev_priv(dev); 11733e122be0SJohannes Berg } 11743e122be0SJohannes Berg 117571bbc994SJohannes Berg static inline struct ieee80211_sub_if_data * 117671bbc994SJohannes Berg IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) 117771bbc994SJohannes Berg { 117871bbc994SJohannes Berg return container_of(wdev, struct ieee80211_sub_if_data, wdev); 117971bbc994SJohannes Berg } 118071bbc994SJohannes Berg 1181c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1182eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1183eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1184eadc8d9eSRon Rindjunsky u16 tid; 1185eadc8d9eSRon Rindjunsky }; 1186eadc8d9eSRon Rindjunsky 1187dd76986bSJohannes Berg /* Parsed Information Elements */ 1188dd76986bSJohannes Berg struct ieee802_11_elems { 1189dd76986bSJohannes Berg u8 *ie_start; 1190dd76986bSJohannes Berg size_t total_len; 1191dd76986bSJohannes Berg 1192dd76986bSJohannes Berg /* pointers to IEs */ 1193dd76986bSJohannes Berg u8 *ssid; 1194dd76986bSJohannes Berg u8 *supp_rates; 1195dd76986bSJohannes Berg u8 *fh_params; 1196dd76986bSJohannes Berg u8 *ds_params; 1197dd76986bSJohannes Berg u8 *cf_params; 1198dd76986bSJohannes Berg struct ieee80211_tim_ie *tim; 1199dd76986bSJohannes Berg u8 *ibss_params; 1200dd76986bSJohannes Berg u8 *challenge; 1201dd76986bSJohannes Berg u8 *wpa; 1202dd76986bSJohannes Berg u8 *rsn; 1203dd76986bSJohannes Berg u8 *erp_info; 1204dd76986bSJohannes Berg u8 *ext_supp_rates; 1205dd76986bSJohannes Berg u8 *wmm_info; 1206dd76986bSJohannes Berg u8 *wmm_param; 1207dd76986bSJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1208074d46d1SJohannes Berg struct ieee80211_ht_operation *ht_operation; 1209818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_elem; 1210818255eaSMahesh Palivela struct ieee80211_vht_operation *vht_operation; 1211dd76986bSJohannes Berg struct ieee80211_meshconf_ie *mesh_config; 1212dd76986bSJohannes Berg u8 *mesh_id; 1213dd76986bSJohannes Berg u8 *peering; 1214dd76986bSJohannes Berg u8 *preq; 1215dd76986bSJohannes Berg u8 *prep; 1216dd76986bSJohannes Berg u8 *perr; 1217dd76986bSJohannes Berg struct ieee80211_rann_ie *rann; 12185bc1420bSJohannes Berg struct ieee80211_channel_sw_ie *ch_switch_ie; 1219dd76986bSJohannes Berg u8 *country_elem; 1220dd76986bSJohannes Berg u8 *pwr_constr_elem; 1221dd76986bSJohannes Berg u8 *quiet_elem; /* first quite element */ 1222dd76986bSJohannes Berg u8 *timeout_int; 1223dd76986bSJohannes Berg 1224dd76986bSJohannes Berg /* length of them, respectively */ 1225dd76986bSJohannes Berg u8 ssid_len; 1226dd76986bSJohannes Berg u8 supp_rates_len; 1227dd76986bSJohannes Berg u8 fh_params_len; 1228dd76986bSJohannes Berg u8 ds_params_len; 1229dd76986bSJohannes Berg u8 cf_params_len; 1230dd76986bSJohannes Berg u8 tim_len; 1231dd76986bSJohannes Berg u8 ibss_params_len; 1232dd76986bSJohannes Berg u8 challenge_len; 1233dd76986bSJohannes Berg u8 wpa_len; 1234dd76986bSJohannes Berg u8 rsn_len; 1235dd76986bSJohannes Berg u8 erp_info_len; 1236dd76986bSJohannes Berg u8 ext_supp_rates_len; 1237dd76986bSJohannes Berg u8 wmm_info_len; 1238dd76986bSJohannes Berg u8 wmm_param_len; 1239dd76986bSJohannes Berg u8 mesh_id_len; 1240dd76986bSJohannes Berg u8 peering_len; 1241dd76986bSJohannes Berg u8 preq_len; 1242dd76986bSJohannes Berg u8 prep_len; 1243dd76986bSJohannes Berg u8 perr_len; 1244dd76986bSJohannes Berg u8 country_elem_len; 1245dd76986bSJohannes Berg u8 quiet_elem_len; 1246dd76986bSJohannes Berg u8 num_of_quiet_elem; /* can be more the one */ 1247dd76986bSJohannes Berg u8 timeout_int_len; 1248fcff4f10SPaul Stewart 1249fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1250fcff4f10SPaul Stewart bool parse_error; 1251dd76986bSJohannes Berg }; 1252dd76986bSJohannes Berg 1253f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1254f0706e82SJiri Benc struct ieee80211_hw *hw) 1255f0706e82SJiri Benc { 1256f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1257f0706e82SJiri Benc } 1258f0706e82SJiri Benc 1259f0706e82SJiri Benc 1260571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1261571ecf67SJohannes Berg { 1262b203ca39SJoe Perches return ether_addr_equal(raddr, addr) || 1263571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1264571ecf67SJohannes Berg } 1265571ecf67SJohannes Berg 1266f4bda337SThomas Pedersen static inline bool 1267f4bda337SThomas Pedersen ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) 1268f4bda337SThomas Pedersen { 1269f4bda337SThomas Pedersen WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && 1270f4bda337SThomas Pedersen status->flag & RX_FLAG_MACTIME_END); 1271f4bda337SThomas Pedersen return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); 1272f4bda337SThomas Pedersen } 1273571ecf67SJohannes Berg 1274f4bda337SThomas Pedersen u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, 1275f4bda337SThomas Pedersen struct ieee80211_rx_status *status, 1276f4bda337SThomas Pedersen unsigned int mpdu_len, 1277f4bda337SThomas Pedersen unsigned int mpdu_offset); 1278e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 12795cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 12809c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 12819c6bd790SJohannes Berg u32 changed); 12820d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 128346900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1284f0706e82SJiri Benc 128546900298SJohannes Berg /* STA code */ 12869c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 128777fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 128877fdaa12SJohannes Berg struct cfg80211_auth_request *req); 128977fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 129077fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 129177fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 129263c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 129377fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 129463c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1295572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1296572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 129710f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 1298ab095877SEliad Peller void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); 129910f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 130010f644a4SJohannes Berg unsigned long data, void *dummy); 13012b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1302cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1303cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 13045ce6e438SJohannes Berg struct ieee80211_bss *bss, 13055ce6e438SJohannes Berg u64 timestamp); 13065bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 13075bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 13081fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 13091fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13101fa57d01SJohannes Berg struct sk_buff *skb); 1311d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1312be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 1313afa762f6SEliad Peller void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); 13149c6bd790SJohannes Berg 131546900298SJohannes Berg /* IBSS code */ 131646900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 131746900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 13188bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 13198bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1320af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1321af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1322af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 13235bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 13245bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 13251fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 13261fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13271fa57d01SJohannes Berg struct sk_buff *skb); 13281fa57d01SJohannes Berg 13291fa57d01SJohannes Berg /* mesh code */ 13301fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 13311fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 13321fa57d01SJohannes Berg struct sk_buff *skb); 133346900298SJohannes Berg 13349c6bd790SJohannes Berg /* scan/BSS handling */ 133546900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 133634bcf715SStanislaw Gruszka int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, 1337be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1338be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1339c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 13402a519311SJohannes Berg struct cfg80211_scan_request *req); 13415bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1342133d40f9SStanislaw Gruszka void ieee80211_run_deferred_scan(struct ieee80211_local *local); 1343d48b2968SJohannes Berg void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); 13449c6bd790SJohannes Berg 13450a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1346c2b13452SJohannes Berg struct ieee80211_bss * 134798c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 134898c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 134998c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 135098c8fccfSJohannes Berg size_t len, 135198c8fccfSJohannes Berg struct ieee802_11_elems *elems, 13522a519311SJohannes Berg struct ieee80211_channel *channel, 13532a519311SJohannes Berg bool beacon); 135498c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1355c2b13452SJohannes Berg struct ieee80211_bss *bss); 1356ee385855SLuis Carlos Cobo 135779f460caSLuciano Coelho /* scheduled scan handling */ 135879f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 135979f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 136085a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 136185a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 136279f460caSLuciano Coelho 1363b203ffc3SJouni Malinen /* off-channel helpers */ 1364b23b025fSBen Greear void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, 1365b23b025fSBen Greear bool offchannel_ps_enable); 1366b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1367b23b025fSBen Greear bool offchannel_ps_disable); 13682eb278e0SJohannes Berg void ieee80211_roc_setup(struct ieee80211_local *local); 13692eb278e0SJohannes Berg void ieee80211_start_next_roc(struct ieee80211_local *local); 13702eb278e0SJohannes Berg void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); 13712eb278e0SJohannes Berg void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); 13722eb278e0SJohannes Berg void ieee80211_sw_roc_work(struct work_struct *work); 13732eb278e0SJohannes Berg void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); 1374b203ffc3SJouni Malinen 13753e122be0SJohannes Berg /* interface handling */ 137647846c9bSJohannes Berg int ieee80211_iface_init(void); 137747846c9bSJohannes Berg void ieee80211_iface_exit(void); 13783e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 137984efbb84SJohannes Berg struct wireless_dev **new_wdev, enum nl80211_iftype type, 1380ee385855SLuis Carlos Cobo struct vif_params *params); 1381f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 138205c914feSJohannes Berg enum nl80211_iftype type); 1383f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 138475636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 13855cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 138685416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 138785416a4fSChristian Lamparter const int offset); 1388f142c6b9SJohannes Berg int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); 1389f142c6b9SJohannes Berg void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); 1390f0706e82SJiri Benc 13911ea6f9c0SJohannes Berg bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13921ea6f9c0SJohannes Berg void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); 13931ea6f9c0SJohannes Berg 13949607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 13959607e6b6SJohannes Berg { 139634d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 13979607e6b6SJohannes Berg } 13989607e6b6SJohannes Berg 1399e2ebc74dSJohannes Berg /* tx handling */ 1400e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1401e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1402d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1403d0cf9c0dSStephen Hemminger struct net_device *dev); 1404d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1405d0cf9c0dSStephen Hemminger struct net_device *dev); 14061f98ab7fSFelix Fietkau void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, 14071f98ab7fSFelix Fietkau struct sk_buff_head *skbs); 1408e2ebc74dSJohannes Berg 1409de1ede7aSJohannes Berg /* HT */ 1410ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1411ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1412ef96a842SBen Greear void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1413ef96a842SBen Greear struct ieee80211_supported_band *sband, 1414ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1415d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1416b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1417b8695a8fSJohannes Berg const u8 *da, u16 tid, 1418b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 14190f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 14200f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 14210f78231bSJohannes Berg const u8 *bssid); 1422d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1423de1ede7aSJohannes Berg 14247c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 142553f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1426849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 142753f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 142853f73c09SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); 1429de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1430de1ede7aSJohannes Berg struct sta_info *sta, 1431de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1432de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1433de1ede7aSJohannes Berg struct sta_info *sta, 1434de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1435de1ede7aSJohannes Berg size_t len); 1436de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1437de1ede7aSJohannes Berg struct sta_info *sta, 1438de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1439de1ede7aSJohannes Berg size_t len); 1440de1ede7aSJohannes Berg 1441849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 144253f73c09SJohannes Berg enum ieee80211_back_parties initiator, 144353f73c09SJohannes Berg bool tx); 144467c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 144553f73c09SJohannes Berg enum ieee80211_back_parties initiator, 144653f73c09SJohannes Berg bool tx); 14475d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 14485d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 144967c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 145067c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 14512bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1452849b7967SJohannes Berg 145304ecd257SJohannes Berg u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); 145404ecd257SJohannes Berg 1455818255eaSMahesh Palivela /* VHT */ 1456818255eaSMahesh Palivela void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, 1457818255eaSMahesh Palivela struct ieee80211_supported_band *sband, 1458818255eaSMahesh Palivela struct ieee80211_vht_cap *vht_cap_ie, 1459818255eaSMahesh Palivela struct ieee80211_sta_vht_cap *vht_cap); 146039192c0bSJohannes Berg /* Spectrum management */ 146139192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 146239192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 146339192c0bSJohannes Berg size_t len); 146439192c0bSJohannes Berg 1465f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1466f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 146784f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1468f2753ddbSJohannes Berg 1469eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1470eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1471f2753ddbSJohannes Berg 1472f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1473f2753ddbSJohannes Berg { 147485f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 147585f72bc8SJohn W. Linville 147685f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 147785f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 147885f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 147985f72bc8SJohn W. Linville 1480f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1481f2753ddbSJohannes Berg } 1482665af4fcSBob Copeland 1483c2d1560aSJohannes Berg /* utility functions/constants */ 1484c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 148571364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 148605c914feSJohannes Berg enum nl80211_iftype type); 14874ee73f33SMichal Kazior int ieee80211_frame_duration(enum ieee80211_band band, size_t len, 1488c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1489f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1490e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1491e6d6e342SJohannes Berg gfp_t gfp); 14923abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 14933abead59SJohannes Berg bool bss_notify); 149455de908aSJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, 149555de908aSJohannes Berg enum ieee80211_band band); 1496cf6bb79aSHelmut Schaa 149755de908aSJohannes Berg void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 149855de908aSJohannes Berg struct sk_buff *skb, int tid, 149955de908aSJohannes Berg enum ieee80211_band band); 150055de908aSJohannes Berg 150155de908aSJohannes Berg static inline void 150255de908aSJohannes Berg ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 150355de908aSJohannes Berg struct sk_buff *skb, int tid, 150455de908aSJohannes Berg enum ieee80211_band band) 150555de908aSJohannes Berg { 150655de908aSJohannes Berg rcu_read_lock(); 150755de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); 150855de908aSJohannes Berg rcu_read_unlock(); 150955de908aSJohannes Berg } 151055de908aSJohannes Berg 151155de908aSJohannes Berg static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 151255de908aSJohannes Berg struct sk_buff *skb, int tid) 151355de908aSJohannes Berg { 151455de908aSJohannes Berg struct ieee80211_chanctx_conf *chanctx_conf; 151555de908aSJohannes Berg 151655de908aSJohannes Berg rcu_read_lock(); 151755de908aSJohannes Berg chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 151855de908aSJohannes Berg if (WARN_ON(!chanctx_conf)) { 151955de908aSJohannes Berg rcu_read_unlock(); 152055de908aSJohannes Berg kfree_skb(skb); 152155de908aSJohannes Berg return; 152255de908aSJohannes Berg } 152355de908aSJohannes Berg 152455de908aSJohannes Berg __ieee80211_tx_skb_tid_band(sdata, skb, tid, 15254bf88530SJohannes Berg chanctx_conf->def.chan->band); 152655de908aSJohannes Berg rcu_read_unlock(); 152755de908aSJohannes Berg } 152855de908aSJohannes Berg 152955de908aSJohannes Berg static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1530cf6bb79aSHelmut Schaa struct sk_buff *skb) 1531cf6bb79aSHelmut Schaa { 1532cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1533cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1534cf6bb79aSHelmut Schaa } 1535cf6bb79aSHelmut Schaa 15369c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 15379c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1538d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1539d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1540d91f36dbSJohannes Berg u64 filter, u32 crc); 1541881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 154296dd22acSJohannes Berg enum ieee80211_band band); 1543f0706e82SJiri Benc 1544520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1545520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1546520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1547a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1548a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1549a97b77b9SVivek Natarajan int powersave); 15503cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 15513cf335d5SKalle Valo struct ieee80211_hdr *hdr); 15524e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 155304ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 1554520eb820SKalle Valo 1555ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1556ce7c9111SKalle Valo enum queue_stop_reason reason); 1557ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1558ce7c9111SKalle Valo enum queue_stop_reason reason); 155996f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 156096f5e66eSJohannes Berg enum queue_stop_reason reason); 156196f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 156296f5e66eSJohannes Berg enum queue_stop_reason reason); 15633a25a8c8SJohannes Berg void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); 15648f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 15658f77f384SJohannes Berg struct sk_buff *skb); 1566b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 156750a9432dSJohannes Berg struct sk_buff_head *skbs, 156850a9432dSJohannes Berg void (*fn)(void *data), void *data); 156978307daaSJohannes Berg static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, 157078307daaSJohannes Berg struct sk_buff_head *skbs) 157178307daaSJohannes Berg { 157278307daaSJohannes Berg ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); 157378307daaSJohannes Berg } 1574ce7c9111SKalle Valo 157546900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 1576700e8ea6SJouni Malinen u16 transaction, u16 auth_alg, u16 status, 1577fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1578efa6a09dSAntonio Quartulli const u8 *da, const u8 *key, u8 key_len, u8 key_idx); 15796ae16775SAntonio Quartulli void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, 15806ae16775SAntonio Quartulli const u8 *bssid, u16 stype, u16 reason, 15816ae16775SAntonio Quartulli bool send_frame, u8 *frame_buf); 1582de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1583c604b9f2SJohannes Berg size_t buffer_len, const u8 *ie, size_t ie_len, 1584651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1585651b5225SJouni Malinen u8 channel); 1586a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 158785a237feSJohannes Berg u8 *dst, u32 ratemask, 15886b77863bSJohannes Berg struct ieee80211_channel *chan, 1589a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1590a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1591a806c558SPaul Stewart bool directed); 159246900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1593de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1594a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1595fe94fe05SJohannes Berg u32 ratemask, bool directed, bool no_cck, 159655de908aSJohannes Berg struct ieee80211_channel *channel, bool scan); 159746900298SJohannes Berg 159846900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 159946900298SJohannes Berg const size_t supp_rates_len, 160046900298SJohannes Berg const u8 *supp_rates); 160146900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 160246900298SJohannes Berg struct ieee802_11_elems *elems, 16039ebb61a2SAshok Nagarajan enum ieee80211_band band, u32 *basic_rates); 16040f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 16050f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 160604ecd257SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); 160746900298SJohannes Berg 16088e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 16098e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 16108e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1611ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 161242e7aa77SAlexander Simon u16 cap); 1613074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 16144bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1615431e3154SAshok Nagarajan u16 prot_mode); 1616ba0afa2fSMahesh Palivela u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, 1617ba0afa2fSMahesh Palivela u32 cap); 1618fc8a7321SJohannes Berg int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, 16196b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 16206b77863bSJohannes Berg enum ieee80211_band band); 1621fc8a7321SJohannes Berg int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, 16226b77863bSJohannes Berg struct sk_buff *skb, bool need_basic, 16236b77863bSJohannes Berg enum ieee80211_band band); 16248e664fb3SJohannes Berg 1625f444de05SJohannes Berg /* channel management */ 16264bf88530SJohannes Berg void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, 16274bf88530SJohannes Berg struct ieee80211_ht_operation *ht_oper, 16284bf88530SJohannes Berg struct cfg80211_chan_def *chandef); 1629f444de05SJohannes Berg 1630d01a1e65SMichal Kazior int __must_check 1631d01a1e65SMichal Kazior ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, 16324bf88530SJohannes Berg const struct cfg80211_chan_def *chandef, 1633d01a1e65SMichal Kazior enum ieee80211_chanctx_mode mode); 1634d01a1e65SMichal Kazior void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); 16354d76d21bSJohannes Berg void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); 1636d01a1e65SMichal Kazior 163704ecd257SJohannes Berg void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 163804ecd257SJohannes Berg struct ieee80211_chanctx *chanctx); 163904ecd257SJohannes Berg 1640f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1641d9e8a70fSJohannes Berg #define debug_noinline noinline 1642d9e8a70fSJohannes Berg #else 1643d9e8a70fSJohannes Berg #define debug_noinline 1644d9e8a70fSJohannes Berg #endif 1645d9e8a70fSJohannes Berg 1646f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1647