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> 26fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2793da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 2851cb6db0SDavid S. Miller #include <net/mac80211.h> 292c8dccc7SJohannes Berg #include "key.h" 30f0706e82SJiri Benc #include "sta_info.h" 31f0706e82SJiri Benc 329cfb0009SJohannes Berg struct ieee80211_local; 33f0706e82SJiri Benc 34f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 35f0706e82SJiri Benc * associated stations are using power saving. */ 36f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 37f0706e82SJiri Benc 38f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 39f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 40f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 41f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 42f0706e82SJiri Benc 43f0706e82SJiri Benc /* Required encryption head and tailroom */ 44f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 45765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 46f0706e82SJiri Benc 47f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 48f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 49f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 50f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 51f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 52f0706e82SJiri Benc 5320ad19d0SJohannes Berg #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) 5420ad19d0SJohannes Berg 55ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 56ab13315aSKalle Valo (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ 57ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ 58ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ 59ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 60ab13315aSKalle Valo 61ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 62ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 63ab13315aSKalle Valo 64f0706e82SJiri Benc struct ieee80211_fragment_entry { 65f0706e82SJiri Benc unsigned long first_frag_time; 66f0706e82SJiri Benc unsigned int seq; 67f0706e82SJiri Benc unsigned int rx_queue; 68f0706e82SJiri Benc unsigned int last_frag; 69f0706e82SJiri Benc unsigned int extra_len; 70f0706e82SJiri Benc struct sk_buff_head skb_list; 71f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 72f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 73f0706e82SJiri Benc }; 74f0706e82SJiri Benc 75f0706e82SJiri Benc 76c2b13452SJohannes Berg struct ieee80211_bss { 7700d3f14cSJohannes Berg /* don't want to look up all the time */ 78056cdd59SJohannes Berg size_t ssid_len; 79f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 8000d3f14cSJohannes Berg 8198f7dfd8SEmmanuel Grumbach u8 dtim_period; 8200d3f14cSJohannes Berg 8343ac2ca3SJouni Malinen bool wmm_used; 84ab13315aSKalle Valo bool uapsd_supported; 8500d3f14cSJohannes Berg 8600d3f14cSJohannes Berg unsigned long last_probe_resp; 8700d3f14cSJohannes Berg 88ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 89ee385855SLuis Carlos Cobo u8 *mesh_id; 90ee385855SLuis Carlos Cobo size_t mesh_id_len; 9124736701SJohn W. Linville u8 *mesh_cfg; 92902acc78SJohannes Berg #endif 9300d3f14cSJohannes Berg 94f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 95f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 96f0706e82SJiri Benc size_t supp_rates_len; 97f0706e82SJiri Benc 9800d3f14cSJohannes Berg /* 9900d3f14cSJohannes Berg * During assocation, we save an ERP value from a probe response so 1005628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1015628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10200d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10300d3f14cSJohannes Berg */ 10400d3f14cSJohannes Berg bool has_erp_value; 1055628221cSDaniel Drake u8 erp_value; 106f0706e82SJiri Benc }; 107f0706e82SJiri Benc 108c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 109902acc78SJohannes Berg { 110902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 111902acc78SJohannes Berg return bss->mesh_cfg; 112902acc78SJohannes Berg #endif 113902acc78SJohannes Berg return NULL; 114902acc78SJohannes Berg } 115902acc78SJohannes Berg 116c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 117902acc78SJohannes Berg { 118902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 119902acc78SJohannes Berg return bss->mesh_id; 120902acc78SJohannes Berg #endif 121902acc78SJohannes Berg return NULL; 122902acc78SJohannes Berg } 123902acc78SJohannes Berg 124c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 125902acc78SJohannes Berg { 126902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 127902acc78SJohannes Berg return bss->mesh_id_len; 128902acc78SJohannes Berg #endif 129902acc78SJohannes Berg return 0; 130902acc78SJohannes Berg } 131902acc78SJohannes Berg 132f0706e82SJiri Benc 1339ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1349ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1359ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1369ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1379ae54c84SJohannes Berg 1385cf121c3SJohannes Berg #define IEEE80211_TX_FRAGMENTED BIT(0) 1395cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1405cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1419ae54c84SJohannes Berg 1425cf121c3SJohannes Berg struct ieee80211_tx_data { 143f0706e82SJiri Benc struct sk_buff *skb; 144f0706e82SJiri Benc struct ieee80211_local *local; 145f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 146f0706e82SJiri Benc struct sta_info *sta; 147f0706e82SJiri Benc struct ieee80211_key *key; 1485cf121c3SJohannes Berg 1498318d78aSJohannes Berg struct ieee80211_channel *channel; 150f0706e82SJiri Benc 151a4b7d7bdSHarvey Harrison u16 ethertype; 152056cdd59SJohannes Berg unsigned int flags; 1535cf121c3SJohannes Berg }; 1545cf121c3SJohannes Berg 1555cf121c3SJohannes Berg 1565cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1575cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1585cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1595cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1605cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1615cf121c3SJohannes Berg 1625cf121c3SJohannes Berg #define IEEE80211_RX_IN_SCAN BIT(0) 1635cf121c3SJohannes Berg /* frame is destined to interface currently processed (incl. multicast frames) */ 1645cf121c3SJohannes Berg #define IEEE80211_RX_RA_MATCH BIT(1) 1655cf121c3SJohannes Berg #define IEEE80211_RX_AMSDU BIT(2) 1668c0c709eSJohannes Berg #define IEEE80211_RX_FRAGMENTED BIT(3) 1672e161f78SJohannes Berg #define IEEE80211_MALFORMED_ACTION_FRM BIT(4) 1682569a826SJohannes Berg /* only add flags here that do not change with subframes of an aMPDU */ 1695cf121c3SJohannes Berg 1705cf121c3SJohannes Berg struct ieee80211_rx_data { 1715cf121c3SJohannes Berg struct sk_buff *skb; 1725cf121c3SJohannes Berg struct ieee80211_local *local; 1735cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 1745cf121c3SJohannes Berg struct sta_info *sta; 1755cf121c3SJohannes Berg struct ieee80211_key *key; 176056cdd59SJohannes Berg 177056cdd59SJohannes Berg unsigned int flags; 178f0706e82SJiri Benc int queue; 17950741ae0SJohannes Berg u32 tkip_iv32; 18050741ae0SJohannes Berg u16 tkip_iv16; 181f0706e82SJiri Benc }; 182f0706e82SJiri Benc 1835dfdaf58SJohannes Berg struct beacon_data { 1845dfdaf58SJohannes Berg u8 *head, *tail; 1855dfdaf58SJohannes Berg int head_len, tail_len; 1865dfdaf58SJohannes Berg int dtim_period; 1875dfdaf58SJohannes Berg }; 1885dfdaf58SJohannes Berg 189f0706e82SJiri Benc struct ieee80211_if_ap { 1905dfdaf58SJohannes Berg struct beacon_data *beacon; 191f0706e82SJiri Benc 1920ec3ca44SJohannes Berg struct list_head vlans; 1930ec3ca44SJohannes Berg 194f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 195f0706e82SJiri Benc * bitmap_empty :) 196004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 197f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 198f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 199056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 2005dfdaf58SJohannes Berg int dtim_count; 201f0706e82SJiri Benc }; 202f0706e82SJiri Benc 203f0706e82SJiri Benc struct ieee80211_if_wds { 204f0706e82SJiri Benc struct sta_info *sta; 205056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 206f0706e82SJiri Benc }; 207f0706e82SJiri Benc 208f0706e82SJiri Benc struct ieee80211_if_vlan { 2090ec3ca44SJohannes Berg struct list_head list; 210f14543eeSFelix Fietkau 211f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 212f14543eeSFelix Fietkau struct sta_info *sta; 213f0706e82SJiri Benc }; 214f0706e82SJiri Benc 215ee385855SLuis Carlos Cobo struct mesh_stats { 216c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 217c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 218c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 219ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 220ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 221ee385855SLuis Carlos Cobo atomic_t estab_plinks; 222ee385855SLuis Carlos Cobo }; 223ee385855SLuis Carlos Cobo 224ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 225ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 226ee385855SLuis Carlos Cobo struct mesh_preq_queue { 227ee385855SLuis Carlos Cobo struct list_head list; 228ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 229ee385855SLuis Carlos Cobo u8 flags; 230ee385855SLuis Carlos Cobo }; 231ee385855SLuis Carlos Cobo 232f679f65dSJohannes Berg enum ieee80211_work_type { 233b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 234af6b6374SJohannes Berg IEEE80211_WORK_DIRECT_PROBE, 235f679f65dSJohannes Berg IEEE80211_WORK_AUTH, 236e5b900d2SJohannes Berg IEEE80211_WORK_ASSOC_BEACON_WAIT, 237f679f65dSJohannes Berg IEEE80211_WORK_ASSOC, 238b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 23977fdaa12SJohannes Berg }; 24077fdaa12SJohannes Berg 241af6b6374SJohannes Berg /** 242af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 243af6b6374SJohannes Berg * 244af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 245af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 246af6b6374SJohannes Berg * should be requeued. 247af6b6374SJohannes Berg */ 248af6b6374SJohannes Berg enum work_done_result { 249af6b6374SJohannes Berg WORK_DONE_DESTROY, 250af6b6374SJohannes Berg WORK_DONE_REQUEUE, 251af6b6374SJohannes Berg }; 252af6b6374SJohannes Berg 253f679f65dSJohannes Berg struct ieee80211_work { 25477fdaa12SJohannes Berg struct list_head list; 255f679f65dSJohannes Berg 256af6b6374SJohannes Berg struct rcu_head rcu_head; 257af6b6374SJohannes Berg 258af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 259af6b6374SJohannes Berg 260af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 261af6b6374SJohannes Berg struct sk_buff *skb); 262af6b6374SJohannes Berg 263f679f65dSJohannes Berg struct ieee80211_channel *chan; 264e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 265af6b6374SJohannes Berg 266f679f65dSJohannes Berg unsigned long timeout; 267f679f65dSJohannes Berg enum ieee80211_work_type type; 268f679f65dSJohannes Berg 269af6b6374SJohannes Berg u8 filter_ta[ETH_ALEN]; 270af6b6374SJohannes Berg 271e4da8c37SJohannes Berg bool started; 272e4da8c37SJohannes Berg 273f679f65dSJohannes Berg union { 274f679f65dSJohannes Berg struct { 275f679f65dSJohannes Berg int tries; 276f679f65dSJohannes Berg u16 algorithm, transaction; 27777fdaa12SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 27877fdaa12SJohannes Berg u8 ssid_len; 279fffd0934SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 280fffd0934SJohannes Berg u8 key_len, key_idx; 281f679f65dSJohannes Berg bool privacy; 282af6b6374SJohannes Berg } probe_auth; 283f679f65dSJohannes Berg struct { 2840c1ad2caSJohannes Berg struct cfg80211_bss *bss; 285f679f65dSJohannes Berg const u8 *supp_rates; 286f679f65dSJohannes Berg const u8 *ht_information_ie; 287af6b6374SJohannes Berg enum ieee80211_smps_mode smps; 288f679f65dSJohannes Berg int tries; 289f679f65dSJohannes Berg u16 capability; 290af6b6374SJohannes Berg u8 prev_bssid[ETH_ALEN]; 291f679f65dSJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 292f679f65dSJohannes Berg u8 ssid_len; 293f679f65dSJohannes Berg u8 supp_rates_len; 294ab13315aSKalle Valo bool wmm_used, use_11n, uapsd_used; 295f679f65dSJohannes Berg } assoc; 296b8bc4b0aSJohannes Berg struct { 297e4da8c37SJohannes Berg u32 duration; 298b8bc4b0aSJohannes Berg } remain; 299f679f65dSJohannes Berg }; 300fffd0934SJohannes Berg 301f679f65dSJohannes Berg int ie_len; 30277fdaa12SJohannes Berg /* must be last */ 303f679f65dSJohannes Berg u8 ie[0]; 30477fdaa12SJohannes Berg }; 30577fdaa12SJohannes Berg 30646900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 307ab1faeadSJohannes Berg enum ieee80211_sta_flags { 308b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 309b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 310b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 311b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 312b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 313b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 314ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 315375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 31617e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 317ab1faeadSJohannes Berg }; 318ab1faeadSJohannes Berg 31946900298SJohannes Berg struct ieee80211_if_managed { 320056cdd59SJohannes Berg struct timer_list timer; 321b291ba11SJohannes Berg struct timer_list conn_mon_timer; 322b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 323c481ec97SSujith struct timer_list chswitch_timer; 324b291ba11SJohannes Berg struct work_struct monitor_work; 325c481ec97SSujith struct work_struct chswitch_work; 3261e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 32746900298SJohannes Berg 328b291ba11SJohannes Berg unsigned long probe_timeout; 329a43abf29SMaxim Levitsky int probe_send_count; 330b291ba11SJohannes Berg 33177fdaa12SJohannes Berg struct mutex mtx; 3320c1ad2caSJohannes Berg struct cfg80211_bss *associated; 33346900298SJohannes Berg 33477fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 33546900298SJohannes Berg 336f0706e82SJiri Benc u16 aid; 337f0706e82SJiri Benc 3385bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 339965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 3400f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 341d1f5b7a3SJohannes Berg ap_smps, /* smps mode AP thinks we're in */ 342d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 343d1f5b7a3SJohannes Berg 344d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 345965bedadSJohannes Berg 346d6f2da5bSJiri Slaby unsigned int flags; 347f0706e82SJiri Benc 348d91f36dbSJohannes Berg u32 beacon_crc; 349d91f36dbSJohannes Berg 350fdfacf0aSJouni Malinen enum { 351fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 352fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 353fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 354fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 355fdfacf0aSJouni Malinen 356f0706e82SJiri Benc int wmm_last_param_set; 3579bc383deSJohannes Berg 3589bc383deSJohannes Berg u8 use_4addr; 35917e4ec14SJouni Malinen 36017e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 36117e4ec14SJouni Malinen int last_beacon_signal; 36217e4ec14SJouni Malinen 36317e4ec14SJouni Malinen /* 36417e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 36517e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 36617e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 36717e4ec14SJouni Malinen * divided by 16 to get the actual value. 36817e4ec14SJouni Malinen */ 36917e4ec14SJouni Malinen int ave_beacon_signal; 37017e4ec14SJouni Malinen 37117e4ec14SJouni Malinen /* 37217e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 37317e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 37417e4ec14SJouni Malinen * generated for the current association. 37517e4ec14SJouni Malinen */ 37617e4ec14SJouni Malinen int last_cqm_event_signal; 377f0706e82SJiri Benc }; 378f0706e82SJiri Benc 37946900298SJohannes Berg struct ieee80211_if_ibss { 38046900298SJohannes Berg struct timer_list timer; 38146900298SJohannes Berg 3827a17a33cSJohannes Berg struct mutex mtx; 3837a17a33cSJohannes Berg 384af8cdcd8SJohannes Berg unsigned long last_scan_completed; 3855bb644a0SJohannes Berg 386fbd2c8dcSTeemu Paasikivi u32 basic_rates; 387fbd2c8dcSTeemu Paasikivi 3885bb644a0SJohannes Berg bool timer_running; 3895bb644a0SJohannes Berg 390af8cdcd8SJohannes Berg bool fixed_bssid; 391af8cdcd8SJohannes Berg bool fixed_channel; 392fffd0934SJohannes Berg bool privacy; 39346900298SJohannes Berg 39446900298SJohannes Berg u8 bssid[ETH_ALEN]; 395af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 396af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 397af8cdcd8SJohannes Berg u8 *ie; 398af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 39946900298SJohannes Berg 40046900298SJohannes Berg unsigned long ibss_join_req; 401af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 402af8cdcd8SJohannes Berg struct sk_buff *presp, *skb; 40346900298SJohannes Berg 40446900298SJohannes Berg enum { 40546900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 40646900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 40746900298SJohannes Berg } state; 40846900298SJohannes Berg }; 40946900298SJohannes Berg 410472dbc45SJohannes Berg struct ieee80211_if_mesh { 411472dbc45SJohannes Berg struct timer_list housekeeping_timer; 412472dbc45SJohannes Berg struct timer_list mesh_path_timer; 413e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 414472dbc45SJohannes Berg 4155bb644a0SJohannes Berg unsigned long timers_running; 4165bb644a0SJohannes Berg 41718889231SJavier Cardona unsigned long wrkq_flags; 418472dbc45SJohannes Berg 419472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 420472dbc45SJohannes Berg size_t mesh_id_len; 421472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 4223491707aSRui Paulo u8 mesh_pp_id; 423472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 4243491707aSRui Paulo u8 mesh_pm_id; 425472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 4263491707aSRui Paulo u8 mesh_cc_id; 4279e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 4283491707aSRui Paulo u8 mesh_sp_id; 4299e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 4303491707aSRui Paulo u8 mesh_auth_id; 431d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 432d19b3bf6SRui Paulo u32 sn; 433472dbc45SJohannes Berg /* Last used PREQ ID */ 434472dbc45SJohannes Berg u32 preq_id; 435472dbc45SJohannes Berg atomic_t mpaths; 436d19b3bf6SRui Paulo /* Timestamp of last SN update */ 437d19b3bf6SRui Paulo unsigned long last_sn_update; 438d19b3bf6SRui Paulo /* Timestamp of last SN sent */ 439472dbc45SJohannes Berg unsigned long last_preq; 440472dbc45SJohannes Berg struct mesh_rmc *rmc; 441472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 442472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 443472dbc45SJohannes Berg int preq_queue_len; 444472dbc45SJohannes Berg struct mesh_stats mshstats; 445472dbc45SJohannes Berg struct mesh_config mshcfg; 446472dbc45SJohannes Berg u32 mesh_seqnum; 447472dbc45SJohannes Berg bool accepting_plinks; 448472dbc45SJohannes Berg }; 449902acc78SJohannes Berg 450902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 451472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 452472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 453902acc78SJohannes Berg #else 454472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 455902acc78SJohannes Berg do { } while (0) 456902acc78SJohannes Berg #endif 457f0706e82SJiri Benc 458213cd118SJohannes Berg /** 459213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 460213cd118SJohannes Berg * 461213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 462213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 463213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 464213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 465213cd118SJohannes Berg * associated stations and deliver multicast frames both 466213cd118SJohannes Berg * back to wireless media and to the local net stack. 467213cd118SJohannes Berg */ 468213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 469213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 470213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 4717986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 4727986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 473213cd118SJohannes Berg }; 474213cd118SJohannes Berg 47534d4bc4dSJohannes Berg /** 47634d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 47734d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 47834d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 47934d4bc4dSJohannes Berg * change handling while the interface is up 48034d4bc4dSJohannes Berg */ 48134d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 48234d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 48334d4bc4dSJohannes Berg }; 48434d4bc4dSJohannes Berg 485f0706e82SJiri Benc struct ieee80211_sub_if_data { 486f0706e82SJiri Benc struct list_head list; 487f0706e82SJiri Benc 488f0706e82SJiri Benc struct wireless_dev wdev; 489f0706e82SJiri Benc 49011a843b7SJohannes Berg /* keys */ 49111a843b7SJohannes Berg struct list_head key_list; 49211a843b7SJohannes Berg 493f0706e82SJiri Benc struct net_device *dev; 494f0706e82SJiri Benc struct ieee80211_local *local; 495f0706e82SJiri Benc 49613262ffdSJiri Slaby unsigned int flags; 4977e9ed188SDaniel Drake 49834d4bc4dSJohannes Berg unsigned long state; 49934d4bc4dSJohannes Berg 500f0706e82SJiri Benc int drop_unencrypted; 501f0706e82SJiri Benc 50247846c9bSJohannes Berg char name[IFNAMSIZ]; 50347846c9bSJohannes Berg 504413ad50aSJohannes Berg /* 505413ad50aSJohannes Berg * keep track of whether the HT opmode (stored in 506413ad50aSJohannes Berg * vif.bss_info.ht_operation_mode) is valid. 507413ad50aSJohannes Berg */ 508413ad50aSJohannes Berg bool ht_opmode_valid; 509413ad50aSJohannes Berg 5107da7cc1dSJohannes Berg /* to detect idle changes */ 5117da7cc1dSJohannes Berg bool old_idle; 5127da7cc1dSJohannes Berg 513f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 514f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 515f0706e82SJiri Benc unsigned int fragment_next; 516f0706e82SJiri Benc 517f0706e82SJiri Benc #define NUM_DEFAULT_KEYS 4 5183cfcf6acSJouni Malinen #define NUM_DEFAULT_MGMT_KEYS 2 5193cfcf6acSJouni Malinen struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 520f0706e82SJiri Benc struct ieee80211_key *default_key; 5213cfcf6acSJouni Malinen struct ieee80211_key *default_mgmt_key; 522f0706e82SJiri Benc 52394778280SJohannes Berg u16 sequence_number; 524a621fa4dSJohannes Berg __be16 control_port_protocol; 525a621fa4dSJohannes Berg bool control_port_no_encrypt; 52694778280SJohannes Berg 52764592c8fSJohannes Berg struct work_struct work; 52835f20c14SJohannes Berg struct sk_buff_head skb_queue; 52935f20c14SJohannes Berg 53068542962SJuuso Oikarinen bool arp_filter_state; 53168542962SJuuso Oikarinen 5323e122be0SJohannes Berg /* 5333e122be0SJohannes Berg * AP this belongs to: self in AP mode and 5343e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 5353e122be0SJohannes Berg * all others (might be needed later in IBSS) 5363e122be0SJohannes Berg */ 5373e122be0SJohannes Berg struct ieee80211_if_ap *bss; 5383e122be0SJohannes Berg 53937eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 54037eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 541f0706e82SJiri Benc 542f0706e82SJiri Benc union { 543f0706e82SJiri Benc struct ieee80211_if_ap ap; 544f0706e82SJiri Benc struct ieee80211_if_wds wds; 545f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 54646900298SJohannes Berg struct ieee80211_if_managed mgd; 54746900298SJohannes Berg struct ieee80211_if_ibss ibss; 548472dbc45SJohannes Berg #ifdef CONFIG_MAC80211_MESH 549472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 550472dbc45SJohannes Berg #endif 5518cc9a739SMichael Wu u32 mntr_flags; 552f0706e82SJiri Benc } u; 553e9f207f0SJiri Benc 554e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 555e9f207f0SJiri Benc struct { 5567bcfaf2fSJohannes Berg struct dentry *dir; 5572b58b209SJouni Malinen struct dentry *default_key; 5583cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 5597bcfaf2fSJohannes Berg } debugfs; 560e9f207f0SJiri Benc #endif 56132bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 56232bfd35dSJohannes Berg struct ieee80211_vif vif; 563f0706e82SJiri Benc }; 564f0706e82SJiri Benc 56532bfd35dSJohannes Berg static inline 56632bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 56732bfd35dSJohannes Berg { 56832bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 56932bfd35dSJohannes Berg } 57032bfd35dSJohannes Berg 571472dbc45SJohannes Berg static inline void 572472dbc45SJohannes Berg ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, 573472dbc45SJohannes Berg u8 mesh_id_len, u8 *mesh_id) 574472dbc45SJohannes Berg { 575472dbc45SJohannes Berg #ifdef CONFIG_MAC80211_MESH 576472dbc45SJohannes Berg struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 577472dbc45SJohannes Berg ifmsh->mesh_id_len = mesh_id_len; 578472dbc45SJohannes Berg memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); 579472dbc45SJohannes Berg #else 580472dbc45SJohannes Berg WARN_ON(1); 581472dbc45SJohannes Berg #endif 582472dbc45SJohannes Berg } 583472dbc45SJohannes Berg 584c1475ca9SJohannes Berg enum sdata_queue_type { 585c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 586c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 587c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 588c1475ca9SJohannes Berg }; 589c1475ca9SJohannes Berg 590f0706e82SJiri Benc enum { 591f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 592f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 593f0706e82SJiri Benc }; 594f0706e82SJiri Benc 595ce7c9111SKalle Valo enum queue_stop_reason { 596ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 597520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 59896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 59996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 60025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 6018f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 602ce7c9111SKalle Valo }; 603ce7c9111SKalle Valo 604142b9f50SHelmut Schaa /** 605142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 606142b9f50SHelmut Schaa * 607142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 608142b9f50SHelmut Schaa * well be on the operating channel 609142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 610142b9f50SHelmut Schaa * determine if we are on the operating channel or not 611142b9f50SHelmut Schaa * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning, 612142b9f50SHelmut Schaa * gets only set in conjunction with SCAN_SW_SCANNING 6138789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 6148789d459SJohannes Berg * that the scan completed. 6158789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 6168789d459SJohannes Berg * a scan complete for an aborted scan. 617142b9f50SHelmut Schaa */ 618fbe9c429SHelmut Schaa enum { 619fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 620142b9f50SHelmut Schaa SCAN_HW_SCANNING, 621142b9f50SHelmut Schaa SCAN_OFF_CHANNEL, 6228789d459SJohannes Berg SCAN_COMPLETED, 6238789d459SJohannes Berg SCAN_ABORTED, 624142b9f50SHelmut Schaa }; 625142b9f50SHelmut Schaa 626142b9f50SHelmut Schaa /** 627142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 628142b9f50SHelmut Schaa * 629142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 630142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 631142b9f50SHelmut Schaa * operating channel 632142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 633142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 634142b9f50SHelmut Schaa * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP 635142b9f50SHelmut Schaa * about us leaving the channel and stop all associated STA interfaces 636142b9f50SHelmut Schaa * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the 637142b9f50SHelmut Schaa * AP about us being back and restart all associated STA interfaces 638142b9f50SHelmut Schaa */ 639142b9f50SHelmut Schaa enum mac80211_scan_state { 640142b9f50SHelmut Schaa SCAN_DECISION, 641142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 642142b9f50SHelmut Schaa SCAN_SEND_PROBE, 643142b9f50SHelmut Schaa SCAN_LEAVE_OPER_CHANNEL, 644142b9f50SHelmut Schaa SCAN_ENTER_OPER_CHANNEL, 645fbe9c429SHelmut Schaa }; 646fbe9c429SHelmut Schaa 647f0706e82SJiri Benc struct ieee80211_local { 648f0706e82SJiri Benc /* embed the driver visible part. 649f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 650f0706e82SJiri Benc * it first anyway so they become a no-op */ 651f0706e82SJiri Benc struct ieee80211_hw hw; 652f0706e82SJiri Benc 653f0706e82SJiri Benc const struct ieee80211_ops *ops; 654f0706e82SJiri Benc 65542935ecaSLuis R. Rodriguez /* 656af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 657af6b6374SJohannes Berg */ 658af6b6374SJohannes Berg struct list_head work_list; 659af6b6374SJohannes Berg struct timer_list work_timer; 660af6b6374SJohannes Berg struct work_struct work_work; 661af6b6374SJohannes Berg struct sk_buff_head work_skb_queue; 662af6b6374SJohannes Berg 663af6b6374SJohannes Berg /* 66442935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 66542935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 66642935ecaSLuis R. Rodriguez */ 66742935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 66842935ecaSLuis R. Rodriguez 669e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 67096f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 671ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 67296f5e66eSJohannes Berg 673f0706e82SJiri Benc int open_count; 6743d30d949SMichael Wu int monitors, cooked_mntrs; 6758cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 676e3b90ca2SIgor Perminov int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll; 6774150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 6783b8d81e0SJohannes Berg 6793ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 6803ffc2a90SJohannes Berg 6813b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 6823b8d81e0SJohannes Berg spinlock_t filter_lock; 6833b8d81e0SJohannes Berg 6843ac64beeSJohannes Berg /* used for uploading changed mc list */ 6853ac64beeSJohannes Berg struct work_struct reconfig_filter; 6863ac64beeSJohannes Berg 6870f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 6880f78231bSJohannes Berg struct work_struct recalc_smps; 6890f78231bSJohannes Berg 6903b8d81e0SJohannes Berg /* aggregated multicast list */ 69122bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 6923b8d81e0SJohannes Berg 693d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 6945bb644a0SJohannes Berg 6955bb644a0SJohannes Berg /* 6965bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 6975bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 6985bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 6995bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 7005bb644a0SJohannes Berg */ 7015bb644a0SJohannes Berg bool suspended; 7025bb644a0SJohannes Berg 7035bb644a0SJohannes Berg /* 704ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 705ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 706ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 707ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 708ceb99fe0SJohannes Berg */ 709ceb99fe0SJohannes Berg bool resuming; 710ceb99fe0SJohannes Berg 711ceb99fe0SJohannes Berg /* 7125bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 7135bb644a0SJohannes Berg * ease timer cancelling etc. 7145bb644a0SJohannes Berg */ 7155bb644a0SJohannes Berg bool quiescing; 7165bb644a0SJohannes Berg 717ea77f12fSJohannes Berg /* device is started */ 718ea77f12fSJohannes Berg bool started; 719ea77f12fSJohannes Berg 720b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 721f0706e82SJiri Benc 722f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 723f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 724f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 725f0706e82SJiri Benc * queues increases over the limit. */ 726f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 727f0706e82SJiri Benc struct tasklet_struct tasklet; 728f0706e82SJiri Benc struct sk_buff_head skb_queue; 729f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 730f0706e82SJiri Benc 731d0709a65SJohannes Berg /* Station data */ 732d0709a65SJohannes Berg /* 73334e89507SJohannes Berg * The mutex only protects the list and counter, 73434e89507SJohannes Berg * reads are done in RCU. 73534e89507SJohannes Berg * Additionally, the lock protects the hash table, 73634e89507SJohannes Berg * the pending list and each BSS's TIM bitmap. 737d0709a65SJohannes Berg */ 73834e89507SJohannes Berg struct mutex sta_mtx; 739d0709a65SJohannes Berg spinlock_t sta_lock; 740d0709a65SJohannes Berg unsigned long num_sta; 74134e89507SJohannes Berg struct list_head sta_list, sta_pending_list; 742f0706e82SJiri Benc struct sta_info *sta_hash[STA_HASH_SIZE]; 743f0706e82SJiri Benc struct timer_list sta_cleanup; 74434e89507SJohannes Berg struct work_struct sta_finish_work; 745f5ea9120SJohannes Berg int sta_generation; 746f0706e82SJiri Benc 7472a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 748f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 749f0706e82SJiri Benc 750a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 751cd8ffc80SJohannes Berg 752f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 75353918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 754f0706e82SJiri Benc 755f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 756f0706e82SJiri Benc 757f0706e82SJiri Benc struct crypto_blkcipher *wep_tx_tfm; 758f0706e82SJiri Benc struct crypto_blkcipher *wep_rx_tfm; 759f0706e82SJiri Benc u32 wep_iv; 760f0706e82SJiri Benc 761c771c9d8SJohannes Berg /* see iface.c */ 76279010420SJohannes Berg struct list_head interfaces; 763c771c9d8SJohannes Berg struct mutex iflist_mtx; 76479010420SJohannes Berg 765b16bd15cSJohannes Berg /* 766ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 767b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 768b16bd15cSJohannes Berg */ 769ad0e2b5aSJohannes Berg struct mutex key_mtx; 770b16bd15cSJohannes Berg 771a1699b75SJohannes Berg /* mutex for scan and work locking */ 772a1699b75SJohannes Berg struct mutex mtx; 773b16bd15cSJohannes Berg 774c2b13452SJohannes Berg /* Scanning and BSS list */ 775fbe9c429SHelmut Schaa unsigned long scanning; 7762a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 7775ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 7784d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 7792a519311SJohannes Berg struct ieee80211_channel *scan_channel; 7804d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 781f0706e82SJiri Benc int scan_channel_idx; 782de95a54bSJohannes Berg int scan_ies_len; 7838318d78aSJohannes Berg 784df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 785977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 786f0706e82SJiri Benc struct delayed_work scan_work; 787491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 7880aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 7892a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 790f0706e82SJiri Benc 791b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 792b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 793b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 794b8bc4b0aSJohannes Berg 795f0706e82SJiri Benc /* SNMP counters */ 796f0706e82SJiri Benc /* dot11CountersTable */ 797f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 798f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 799f0706e82SJiri Benc u32 dot11FailedCount; 800f0706e82SJiri Benc u32 dot11RetryCount; 801f0706e82SJiri Benc u32 dot11MultipleRetryCount; 802f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 803f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 804f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 805f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 806f0706e82SJiri Benc 807f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 808f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 809cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 810cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 811cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 812f0706e82SJiri Benc #endif 813f0706e82SJiri Benc 814f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 815f0706e82SJiri Benc /* TX/RX handler statistics */ 816f0706e82SJiri Benc unsigned int tx_handlers_drop; 817f0706e82SJiri Benc unsigned int tx_handlers_queued; 818f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 819f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 820f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 821f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 822f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 823f0706e82SJiri Benc unsigned int rx_handlers_drop; 824f0706e82SJiri Benc unsigned int rx_handlers_queued; 825f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 826f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 827f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 828f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 829f0706e82SJiri Benc unsigned int tx_expand_skb_head; 830f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 831f0706e82SJiri Benc unsigned int rx_expand_skb_head; 832f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 833f0706e82SJiri Benc unsigned int rx_handlers_fragments; 834f0706e82SJiri Benc unsigned int tx_status_drop; 835f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 836f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 837f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 838f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 839f0706e82SJiri Benc 840f0706e82SJiri Benc 841f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 842f0706e82SJiri Benc * multicast packets for power saving stations 843f0706e82SJiri Benc */ 844f0706e82SJiri Benc int wifi_wme_noack_test; 845f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 846520eb820SKalle Valo 84750ae0cf1SKalle Valo /* 84850ae0cf1SKalle Valo * Bitmask of enabled u-apsd queues, 84950ae0cf1SKalle Valo * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 85050ae0cf1SKalle Valo * to take effect. 85150ae0cf1SKalle Valo */ 85250ae0cf1SKalle Valo unsigned int uapsd_queues; 85350ae0cf1SKalle Valo 85450ae0cf1SKalle Valo /* 85550ae0cf1SKalle Valo * Maximum number of buffered frames AP can deliver during a 85650ae0cf1SKalle Valo * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 85750ae0cf1SKalle Valo * Needs a new association to take effect. 85850ae0cf1SKalle Valo */ 85950ae0cf1SKalle Valo unsigned int uapsd_max_sp_len; 86050ae0cf1SKalle Valo 861572e0012SKalle Valo bool pspolling; 862b203ffc3SJouni Malinen bool offchannel_ps_enabled; 863965bedadSJohannes Berg /* 864965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 865965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 866965bedadSJohannes Berg */ 867965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 868520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 869520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 870520eb820SKalle Valo struct timer_list dynamic_ps_timer; 87110f644a4SJohannes Berg struct notifier_block network_latency_notifier; 8722b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 873f0706e82SJiri Benc 874ff616381SJuuso Oikarinen /* 875ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 876ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 877ff616381SJuuso Oikarinen */ 878ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 879f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 880f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 881ff616381SJuuso Oikarinen 8822bf30fabSJohannes Berg int user_power_level; /* in dBm */ 883a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 8842bf30fabSJohannes Berg 8850f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 8860f78231bSJohannes Berg 887f2753ddbSJohannes Berg struct work_struct restart_work; 888f2753ddbSJohannes Berg 889e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 890e9f207f0SJiri Benc struct local_debugfsdentries { 8914b7679a5SJohannes Berg struct dentry *rcdir; 892e9f207f0SJiri Benc struct dentry *stations; 893e9f207f0SJiri Benc struct dentry *keys; 894e9f207f0SJiri Benc } debugfs; 895e9f207f0SJiri Benc #endif 8964e6cbfd0SJohn W. Linville 8974e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 8984e6cbfd0SJohn W. Linville struct net_device napi_dev; 8994e6cbfd0SJohn W. Linville 9004e6cbfd0SJohn W. Linville struct napi_struct napi; 901f0706e82SJiri Benc }; 902f0706e82SJiri Benc 9033e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 9043e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 9053e122be0SJohannes Berg { 9063e122be0SJohannes Berg return netdev_priv(dev); 9073e122be0SJohannes Berg } 9083e122be0SJohannes Berg 909c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 910eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 911eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 912eadc8d9eSRon Rindjunsky u16 tid; 913eadc8d9eSRon Rindjunsky }; 914eadc8d9eSRon Rindjunsky 915ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 916ee385855SLuis Carlos Cobo struct ieee802_11_elems { 91743ac2ca3SJouni Malinen u8 *ie_start; 91843ac2ca3SJouni Malinen size_t total_len; 91943ac2ca3SJouni Malinen 920ee385855SLuis Carlos Cobo /* pointers to IEs */ 921ee385855SLuis Carlos Cobo u8 *ssid; 922ee385855SLuis Carlos Cobo u8 *supp_rates; 923ee385855SLuis Carlos Cobo u8 *fh_params; 924ee385855SLuis Carlos Cobo u8 *ds_params; 925ee385855SLuis Carlos Cobo u8 *cf_params; 926e7ec86f5SJohannes Berg struct ieee80211_tim_ie *tim; 927ee385855SLuis Carlos Cobo u8 *ibss_params; 928ee385855SLuis Carlos Cobo u8 *challenge; 929ee385855SLuis Carlos Cobo u8 *wpa; 930ee385855SLuis Carlos Cobo u8 *rsn; 931ee385855SLuis Carlos Cobo u8 *erp_info; 932ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 933ee385855SLuis Carlos Cobo u8 *wmm_info; 934ee385855SLuis Carlos Cobo u8 *wmm_param; 93509914813SJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 936d9fe60deSJohannes Berg struct ieee80211_ht_info *ht_info_elem; 937136cfa28SRui Paulo struct ieee80211_meshconf_ie *mesh_config; 938ee385855SLuis Carlos Cobo u8 *mesh_id; 939ee385855SLuis Carlos Cobo u8 *peer_link; 940ee385855SLuis Carlos Cobo u8 *preq; 941ee385855SLuis Carlos Cobo u8 *prep; 942ee385855SLuis Carlos Cobo u8 *perr; 94390a5e169SRui Paulo struct ieee80211_rann_ie *rann; 944f2df3859SAssaf Krauss u8 *ch_switch_elem; 945f2df3859SAssaf Krauss u8 *country_elem; 946f2df3859SAssaf Krauss u8 *pwr_constr_elem; 947f2df3859SAssaf Krauss u8 *quiet_elem; /* first quite element */ 948f797eb7eSJouni Malinen u8 *timeout_int; 949ee385855SLuis Carlos Cobo 950ee385855SLuis Carlos Cobo /* length of them, respectively */ 951ee385855SLuis Carlos Cobo u8 ssid_len; 952ee385855SLuis Carlos Cobo u8 supp_rates_len; 953ee385855SLuis Carlos Cobo u8 fh_params_len; 954ee385855SLuis Carlos Cobo u8 ds_params_len; 955ee385855SLuis Carlos Cobo u8 cf_params_len; 956ee385855SLuis Carlos Cobo u8 tim_len; 957ee385855SLuis Carlos Cobo u8 ibss_params_len; 958ee385855SLuis Carlos Cobo u8 challenge_len; 959ee385855SLuis Carlos Cobo u8 wpa_len; 960ee385855SLuis Carlos Cobo u8 rsn_len; 961ee385855SLuis Carlos Cobo u8 erp_info_len; 962ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 963ee385855SLuis Carlos Cobo u8 wmm_info_len; 964ee385855SLuis Carlos Cobo u8 wmm_param_len; 965ee385855SLuis Carlos Cobo u8 mesh_id_len; 966ee385855SLuis Carlos Cobo u8 peer_link_len; 967ee385855SLuis Carlos Cobo u8 preq_len; 968ee385855SLuis Carlos Cobo u8 prep_len; 969ee385855SLuis Carlos Cobo u8 perr_len; 970f2df3859SAssaf Krauss u8 ch_switch_elem_len; 971f2df3859SAssaf Krauss u8 country_elem_len; 972f2df3859SAssaf Krauss u8 pwr_constr_elem_len; 973f2df3859SAssaf Krauss u8 quiet_elem_len; 974f2df3859SAssaf Krauss u8 num_of_quiet_elem; /* can be more the one */ 975f797eb7eSJouni Malinen u8 timeout_int_len; 976ee385855SLuis Carlos Cobo }; 977ee385855SLuis Carlos Cobo 978f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 979f0706e82SJiri Benc struct ieee80211_hw *hw) 980f0706e82SJiri Benc { 981f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 982f0706e82SJiri Benc } 983f0706e82SJiri Benc 984f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 985f0706e82SJiri Benc struct ieee80211_local *local) 986f0706e82SJiri Benc { 987f0706e82SJiri Benc return &local->hw; 988f0706e82SJiri Benc } 989f0706e82SJiri Benc 990f0706e82SJiri Benc 991571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 992571ecf67SJohannes Berg { 993571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 994571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 995571ecf67SJohannes Berg } 996571ecf67SJohannes Berg 997571ecf67SJohannes Berg 998e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 9995cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 10009c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 10019c6bd790SJohannes Berg u32 changed); 10020d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 100346900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1004f0706e82SJiri Benc 1005f38fd12fSJohannes Berg extern bool ieee80211_disable_40mhz_24ghz; 1006f38fd12fSJohannes Berg 100746900298SJohannes Berg /* STA code */ 10089c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 100977fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 101077fdaa12SJohannes Berg struct cfg80211_auth_request *req); 101177fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 101277fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 101377fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 1014667503ddSJohannes Berg struct cfg80211_deauth_request *req, 1015667503ddSJohannes Berg void *cookie); 101677fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 1017667503ddSJohannes Berg struct cfg80211_disassoc_request *req, 1018667503ddSJohannes Berg void *cookie); 1019572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1020572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 102110f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 102210f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 102310f644a4SJohannes Berg unsigned long data, void *dummy); 10242b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1025cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1026cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 10275ce6e438SJohannes Berg struct ieee80211_bss *bss, 10285ce6e438SJohannes Berg u64 timestamp); 10295bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 10305bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 10311fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 10321fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10331fa57d01SJohannes Berg struct sk_buff *skb); 10349c6bd790SJohannes Berg 103546900298SJohannes Berg /* IBSS code */ 103646900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 103746900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 103846900298SJohannes Berg struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, 103934e89507SJohannes Berg u8 *bssid, u8 *addr, u32 supp_rates, 104034e89507SJohannes Berg gfp_t gfp); 1041af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1042af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1043af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 10445bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 10455bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 10461fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 10471fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10481fa57d01SJohannes Berg struct sk_buff *skb); 10491fa57d01SJohannes Berg 10501fa57d01SJohannes Berg /* mesh code */ 10511fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 10521fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10531fa57d01SJohannes Berg struct sk_buff *skb); 105446900298SJohannes Berg 10559c6bd790SJohannes Berg /* scan/BSS handling */ 105646900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1057f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1058be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1059be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1060c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 10612a519311SJohannes Berg struct cfg80211_scan_request *req); 10625bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1063c2b13452SJohannes Berg ieee80211_rx_result 1064f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 10659c6bd790SJohannes Berg 10660a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1067c2b13452SJohannes Berg struct ieee80211_bss * 106898c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 106998c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 107098c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 107198c8fccfSJohannes Berg size_t len, 107298c8fccfSJohannes Berg struct ieee802_11_elems *elems, 10732a519311SJohannes Berg struct ieee80211_channel *channel, 10742a519311SJohannes Berg bool beacon); 1075c2b13452SJohannes Berg struct ieee80211_bss * 10765484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 10775484e237SJohannes Berg u8 *ssid, u8 ssid_len); 107898c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1079c2b13452SJohannes Berg struct ieee80211_bss *bss); 1080ee385855SLuis Carlos Cobo 1081b203ffc3SJouni Malinen /* off-channel helpers */ 1082b203ffc3SJouni Malinen void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local); 1083b203ffc3SJouni Malinen void ieee80211_offchannel_stop_station(struct ieee80211_local *local); 1084b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1085b203ffc3SJouni Malinen bool enable_beaconing); 1086b203ffc3SJouni Malinen 10873e122be0SJohannes Berg /* interface handling */ 108847846c9bSJohannes Berg int ieee80211_iface_init(void); 108947846c9bSJohannes Berg void ieee80211_iface_exit(void); 10903e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 109105c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1092ee385855SLuis Carlos Cobo struct vif_params *params); 1093f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 109405c914feSJohannes Berg enum nl80211_iftype type); 1095f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 109675636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 10975cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 10985cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 1099f0706e82SJiri Benc 11009607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 11019607e6b6SJohannes Berg { 110234d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 11039607e6b6SJohannes Berg } 11049607e6b6SJohannes Berg 1105e2ebc74dSJohannes Berg /* tx handling */ 1106e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1107e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1108d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1109d0cf9c0dSStephen Hemminger struct net_device *dev); 1110d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1111d0cf9c0dSStephen Hemminger struct net_device *dev); 1112e2ebc74dSJohannes Berg 1113fe7a5d5cSJohannes Berg /* 1114fe7a5d5cSJohannes Berg * radiotap header for status frames 1115fe7a5d5cSJohannes Berg */ 1116fe7a5d5cSJohannes Berg struct ieee80211_tx_status_rtap_hdr { 1117fe7a5d5cSJohannes Berg struct ieee80211_radiotap_header hdr; 1118fe7a5d5cSJohannes Berg u8 rate; 1119fe7a5d5cSJohannes Berg u8 padding_for_rate; 1120fe7a5d5cSJohannes Berg __le16 tx_flags; 1121fe7a5d5cSJohannes Berg u8 data_retries; 1122bc10502dSEric Dumazet } __packed; 1123fe7a5d5cSJohannes Berg 1124fe7a5d5cSJohannes Berg 1125de1ede7aSJohannes Berg /* HT */ 1126ae5eb026SJohannes Berg void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, 1127ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1128d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1129de1ede7aSJohannes Berg void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); 1130b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1131b8695a8fSJohannes Berg const u8 *da, u16 tid, 1132b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 11330f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 11340f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 11350f78231bSJohannes Berg const u8 *bssid); 1136d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1137de1ede7aSJohannes Berg 11387c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 11397c3b1dd8SJohannes Berg u16 initiator, u16 reason); 1140849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 1141849b7967SJohannes Berg u16 initiator, u16 reason); 11422dace10eSJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); 1143de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1144de1ede7aSJohannes Berg struct sta_info *sta, 1145de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1146de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1147de1ede7aSJohannes Berg struct sta_info *sta, 1148de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1149de1ede7aSJohannes Berg size_t len); 1150de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1151de1ede7aSJohannes Berg struct sta_info *sta, 1152de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1153de1ede7aSJohannes Berg size_t len); 1154de1ede7aSJohannes Berg 1155849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1156849b7967SJohannes Berg enum ieee80211_back_parties initiator); 115767c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 115867c282c0SJohannes Berg enum ieee80211_back_parties initiator); 11595d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 11605d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 116167c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 116267c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 11632bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1164849b7967SJohannes Berg 116539192c0bSJohannes Berg /* Spectrum management */ 116639192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 116739192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 116839192c0bSJohannes Berg size_t len); 116939192c0bSJohannes Berg 1170f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1171f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 117284f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1173f2753ddbSJohannes Berg 1174827b1fb4SJohannes Berg #ifdef CONFIG_PM 1175665af4fcSBob Copeland int __ieee80211_suspend(struct ieee80211_hw *hw); 1176f2753ddbSJohannes Berg 1177f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1178f2753ddbSJohannes Berg { 1179f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1180f2753ddbSJohannes Berg } 1181827b1fb4SJohannes Berg #else 1182827b1fb4SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw) 1183827b1fb4SJohannes Berg { 1184827b1fb4SJohannes Berg return 0; 1185827b1fb4SJohannes Berg } 1186f2753ddbSJohannes Berg 1187827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1188827b1fb4SJohannes Berg { 1189827b1fb4SJohannes Berg return 0; 1190827b1fb4SJohannes Berg } 1191827b1fb4SJohannes Berg #endif 1192665af4fcSBob Copeland 1193c2d1560aSJohannes Berg /* utility functions/constants */ 1194c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 119571364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 119605c914feSJohannes Berg enum nl80211_iftype type); 1197c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1198c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1199f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1200e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1201e6d6e342SJohannes Berg gfp_t gfp); 12025825fe10SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); 120362ae67beSJohannes Berg void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 12049c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 12059c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1206d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1207d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1208d91f36dbSJohannes Berg u64 filter, u32 crc); 1209881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 121096dd22acSJohannes Berg enum ieee80211_band band); 1211f0706e82SJiri Benc 1212520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1213520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1214520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1215a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1216a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1217a97b77b9SVivek Natarajan int powersave); 12183cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 12193cf335d5SKalle Valo struct ieee80211_hdr *hdr); 12201e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1221520eb820SKalle Valo 1222ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1223ce7c9111SKalle Valo enum queue_stop_reason reason); 1224ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1225ce7c9111SKalle Valo enum queue_stop_reason reason); 122696f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 122796f5e66eSJohannes Berg enum queue_stop_reason reason); 122896f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 122996f5e66eSJohannes Berg enum queue_stop_reason reason); 12308f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 12318f77f384SJohannes Berg struct sk_buff *skb); 12328f77f384SJohannes Berg int ieee80211_add_pending_skbs(struct ieee80211_local *local, 12338f77f384SJohannes Berg struct sk_buff_head *skbs); 1234ce7c9111SKalle Valo 123546900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 123646900298SJohannes Berg u16 transaction, u16 auth_alg, 1237fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1238fffd0934SJohannes Berg const u8 *key, u8 key_len, u8 key_idx); 1239de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 12404d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 12414d36ec58SJohannes Berg enum ieee80211_band band); 124246900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1243de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1244de95a54bSJohannes Berg const u8 *ie, size_t ie_len); 124546900298SJohannes Berg 124646900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 124746900298SJohannes Berg const size_t supp_rates_len, 124846900298SJohannes Berg const u8 *supp_rates); 124946900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 125046900298SJohannes Berg struct ieee802_11_elems *elems, 125146900298SJohannes Berg enum ieee80211_band band); 12520f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 12530f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 12540f78231bSJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local, 12550f78231bSJohannes Berg struct ieee80211_sub_if_data *forsdata); 125646900298SJohannes Berg 12578e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 12588e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 12598e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 12608e664fb3SJohannes Berg 1261af6b6374SJohannes Berg /* internal work items */ 1262af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1263af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1264af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1265af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1266af6b6374SJohannes Berg ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, 1267af6b6374SJohannes Berg struct sk_buff *skb); 1268b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1269b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1270b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1271b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1272b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1273b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1274af6b6374SJohannes Berg 1275f444de05SJohannes Berg /* channel management */ 1276f444de05SJohannes Berg enum ieee80211_chan_mode { 1277f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1278f444de05SJohannes Berg CHAN_MODE_HOPPING, 1279f444de05SJohannes Berg CHAN_MODE_FIXED, 1280f444de05SJohannes Berg }; 1281f444de05SJohannes Berg 1282f444de05SJohannes Berg enum ieee80211_chan_mode 1283f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1284f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 12850aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 12860aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 12870aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 1288f444de05SJohannes Berg 1289f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1290d9e8a70fSJohannes Berg #define debug_noinline noinline 1291d9e8a70fSJohannes Berg #else 1292d9e8a70fSJohannes Berg #define debug_noinline 1293d9e8a70fSJohannes Berg #endif 1294d9e8a70fSJohannes Berg 1295f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1296