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 162554891e6SJohannes Berg /** 163554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 164554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 165554891e6SJohannes Berg * (incl. multicast frames) 166554891e6SJohannes Berg * @IEEE80211_RX_IN_SCAN: received while scanning 167554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 168554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 169554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 170554891e6SJohannes Berg * 171554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 172554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 173554891e6SJohannes Berg */ 174554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 175554891e6SJohannes Berg IEEE80211_RX_IN_SCAN = BIT(0), 176554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 177554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 178554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 179554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 180554891e6SJohannes Berg }; 181554891e6SJohannes Berg 182554891e6SJohannes Berg /** 183554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 184554891e6SJohannes Berg * 185554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 186554891e6SJohannes Berg * 187554891e6SJohannes Berg * These flags are used across handling multiple interfaces 188554891e6SJohannes Berg * for a single frame. 189554891e6SJohannes Berg */ 190554891e6SJohannes Berg enum ieee80211_rx_flags { 191554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 192554891e6SJohannes Berg }; 1935cf121c3SJohannes Berg 1945cf121c3SJohannes Berg struct ieee80211_rx_data { 1955cf121c3SJohannes Berg struct sk_buff *skb; 1965cf121c3SJohannes Berg struct ieee80211_local *local; 1975cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 1985cf121c3SJohannes Berg struct sta_info *sta; 1995cf121c3SJohannes Berg struct ieee80211_key *key; 200056cdd59SJohannes Berg 201056cdd59SJohannes Berg unsigned int flags; 202f0706e82SJiri Benc int queue; 20350741ae0SJohannes Berg u32 tkip_iv32; 20450741ae0SJohannes Berg u16 tkip_iv16; 205f0706e82SJiri Benc }; 206f0706e82SJiri Benc 2075dfdaf58SJohannes Berg struct beacon_data { 2085dfdaf58SJohannes Berg u8 *head, *tail; 2095dfdaf58SJohannes Berg int head_len, tail_len; 2105dfdaf58SJohannes Berg int dtim_period; 2115dfdaf58SJohannes Berg }; 2125dfdaf58SJohannes Berg 213f0706e82SJiri Benc struct ieee80211_if_ap { 2145dfdaf58SJohannes Berg struct beacon_data *beacon; 215f0706e82SJiri Benc 2160ec3ca44SJohannes Berg struct list_head vlans; 2170ec3ca44SJohannes Berg 218f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 219f0706e82SJiri Benc * bitmap_empty :) 220004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 221f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 222f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 223056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 2245dfdaf58SJohannes Berg int dtim_count; 225f0706e82SJiri Benc }; 226f0706e82SJiri Benc 227f0706e82SJiri Benc struct ieee80211_if_wds { 228f0706e82SJiri Benc struct sta_info *sta; 229056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 230f0706e82SJiri Benc }; 231f0706e82SJiri Benc 232f0706e82SJiri Benc struct ieee80211_if_vlan { 2330ec3ca44SJohannes Berg struct list_head list; 234f14543eeSFelix Fietkau 235f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 236f14543eeSFelix Fietkau struct sta_info *sta; 237f0706e82SJiri Benc }; 238f0706e82SJiri Benc 239ee385855SLuis Carlos Cobo struct mesh_stats { 240c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 241c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 242c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 243ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 244ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 245ee385855SLuis Carlos Cobo atomic_t estab_plinks; 246ee385855SLuis Carlos Cobo }; 247ee385855SLuis Carlos Cobo 248ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 249ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 250ee385855SLuis Carlos Cobo struct mesh_preq_queue { 251ee385855SLuis Carlos Cobo struct list_head list; 252ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 253ee385855SLuis Carlos Cobo u8 flags; 254ee385855SLuis Carlos Cobo }; 255ee385855SLuis Carlos Cobo 256f679f65dSJohannes Berg enum ieee80211_work_type { 257b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 258af6b6374SJohannes Berg IEEE80211_WORK_DIRECT_PROBE, 259f679f65dSJohannes Berg IEEE80211_WORK_AUTH, 260e5b900d2SJohannes Berg IEEE80211_WORK_ASSOC_BEACON_WAIT, 261f679f65dSJohannes Berg IEEE80211_WORK_ASSOC, 262b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 26377fdaa12SJohannes Berg }; 26477fdaa12SJohannes Berg 265af6b6374SJohannes Berg /** 266af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 267af6b6374SJohannes Berg * 268af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 269af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 270af6b6374SJohannes Berg * should be requeued. 271af6b6374SJohannes Berg */ 272af6b6374SJohannes Berg enum work_done_result { 273af6b6374SJohannes Berg WORK_DONE_DESTROY, 274af6b6374SJohannes Berg WORK_DONE_REQUEUE, 275af6b6374SJohannes Berg }; 276af6b6374SJohannes Berg 277f679f65dSJohannes Berg struct ieee80211_work { 27877fdaa12SJohannes Berg struct list_head list; 279f679f65dSJohannes Berg 280af6b6374SJohannes Berg struct rcu_head rcu_head; 281af6b6374SJohannes Berg 282af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 283af6b6374SJohannes Berg 284af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 285af6b6374SJohannes Berg struct sk_buff *skb); 286af6b6374SJohannes Berg 287f679f65dSJohannes Berg struct ieee80211_channel *chan; 288e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 289af6b6374SJohannes Berg 290f679f65dSJohannes Berg unsigned long timeout; 291f679f65dSJohannes Berg enum ieee80211_work_type type; 292f679f65dSJohannes Berg 293af6b6374SJohannes Berg u8 filter_ta[ETH_ALEN]; 294af6b6374SJohannes Berg 295e4da8c37SJohannes Berg bool started; 296e4da8c37SJohannes Berg 297f679f65dSJohannes Berg union { 298f679f65dSJohannes Berg struct { 299f679f65dSJohannes Berg int tries; 300f679f65dSJohannes Berg u16 algorithm, transaction; 30177fdaa12SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 30277fdaa12SJohannes Berg u8 ssid_len; 303fffd0934SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 304fffd0934SJohannes Berg u8 key_len, key_idx; 305f679f65dSJohannes Berg bool privacy; 306af6b6374SJohannes Berg } probe_auth; 307f679f65dSJohannes Berg struct { 3080c1ad2caSJohannes Berg struct cfg80211_bss *bss; 309f679f65dSJohannes Berg const u8 *supp_rates; 310f679f65dSJohannes Berg const u8 *ht_information_ie; 311af6b6374SJohannes Berg enum ieee80211_smps_mode smps; 312f679f65dSJohannes Berg int tries; 313f679f65dSJohannes Berg u16 capability; 314af6b6374SJohannes Berg u8 prev_bssid[ETH_ALEN]; 315f679f65dSJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 316f679f65dSJohannes Berg u8 ssid_len; 317f679f65dSJohannes Berg u8 supp_rates_len; 318ab13315aSKalle Valo bool wmm_used, use_11n, uapsd_used; 319f679f65dSJohannes Berg } assoc; 320b8bc4b0aSJohannes Berg struct { 321e4da8c37SJohannes Berg u32 duration; 322b8bc4b0aSJohannes Berg } remain; 323f679f65dSJohannes Berg }; 324fffd0934SJohannes Berg 325f679f65dSJohannes Berg int ie_len; 32677fdaa12SJohannes Berg /* must be last */ 327f679f65dSJohannes Berg u8 ie[0]; 32877fdaa12SJohannes Berg }; 32977fdaa12SJohannes Berg 33046900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 331ab1faeadSJohannes Berg enum ieee80211_sta_flags { 332b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 333b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 334b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 335b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 336b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 337b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 338ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 339375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 34017e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 341ab1faeadSJohannes Berg }; 342ab1faeadSJohannes Berg 34346900298SJohannes Berg struct ieee80211_if_managed { 344056cdd59SJohannes Berg struct timer_list timer; 345b291ba11SJohannes Berg struct timer_list conn_mon_timer; 346b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 347c481ec97SSujith struct timer_list chswitch_timer; 348b291ba11SJohannes Berg struct work_struct monitor_work; 349c481ec97SSujith struct work_struct chswitch_work; 3501e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 35146900298SJohannes Berg 352b291ba11SJohannes Berg unsigned long probe_timeout; 353a43abf29SMaxim Levitsky int probe_send_count; 354b291ba11SJohannes Berg 35577fdaa12SJohannes Berg struct mutex mtx; 3560c1ad2caSJohannes Berg struct cfg80211_bss *associated; 35746900298SJohannes Berg 35877fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 35946900298SJohannes Berg 360f0706e82SJiri Benc u16 aid; 361f0706e82SJiri Benc 3625bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 363965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 3640f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 365d1f5b7a3SJohannes Berg ap_smps, /* smps mode AP thinks we're in */ 366d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 367d1f5b7a3SJohannes Berg 368d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 369965bedadSJohannes Berg 370d6f2da5bSJiri Slaby unsigned int flags; 371f0706e82SJiri Benc 372d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 373d91f36dbSJohannes Berg u32 beacon_crc; 374d91f36dbSJohannes Berg 375fdfacf0aSJouni Malinen enum { 376fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 377fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 378fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 379fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 380fdfacf0aSJouni Malinen 381f0706e82SJiri Benc int wmm_last_param_set; 3829bc383deSJohannes Berg 3839bc383deSJohannes Berg u8 use_4addr; 38417e4ec14SJouni Malinen 38517e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 38617e4ec14SJouni Malinen int last_beacon_signal; 38717e4ec14SJouni Malinen 38817e4ec14SJouni Malinen /* 38917e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 39017e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 39117e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 39217e4ec14SJouni Malinen * divided by 16 to get the actual value. 39317e4ec14SJouni Malinen */ 39417e4ec14SJouni Malinen int ave_beacon_signal; 39517e4ec14SJouni Malinen 39617e4ec14SJouni Malinen /* 397391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 398391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 399391a200aSJouni Malinen * only on couple of received frames. 400391a200aSJouni Malinen */ 401391a200aSJouni Malinen unsigned int count_beacon_signal; 402391a200aSJouni Malinen 403391a200aSJouni Malinen /* 40417e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 40517e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 40617e4ec14SJouni Malinen * generated for the current association. 40717e4ec14SJouni Malinen */ 40817e4ec14SJouni Malinen int last_cqm_event_signal; 409f0706e82SJiri Benc }; 410f0706e82SJiri Benc 41146900298SJohannes Berg struct ieee80211_if_ibss { 41246900298SJohannes Berg struct timer_list timer; 41346900298SJohannes Berg 4147a17a33cSJohannes Berg struct mutex mtx; 4157a17a33cSJohannes Berg 416af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4175bb644a0SJohannes Berg 418fbd2c8dcSTeemu Paasikivi u32 basic_rates; 419fbd2c8dcSTeemu Paasikivi 4205bb644a0SJohannes Berg bool timer_running; 4215bb644a0SJohannes Berg 422af8cdcd8SJohannes Berg bool fixed_bssid; 423af8cdcd8SJohannes Berg bool fixed_channel; 424fffd0934SJohannes Berg bool privacy; 42546900298SJohannes Berg 42646900298SJohannes Berg u8 bssid[ETH_ALEN]; 427af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 428af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 429af8cdcd8SJohannes Berg u8 *ie; 430af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 43146900298SJohannes Berg 43246900298SJohannes Berg unsigned long ibss_join_req; 433af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 434af8cdcd8SJohannes Berg struct sk_buff *presp, *skb; 43546900298SJohannes Berg 43646900298SJohannes Berg enum { 43746900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 43846900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 43946900298SJohannes Berg } state; 44046900298SJohannes Berg }; 44146900298SJohannes Berg 442472dbc45SJohannes Berg struct ieee80211_if_mesh { 443472dbc45SJohannes Berg struct timer_list housekeeping_timer; 444472dbc45SJohannes Berg struct timer_list mesh_path_timer; 445e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 446472dbc45SJohannes Berg 4475bb644a0SJohannes Berg unsigned long timers_running; 4485bb644a0SJohannes Berg 44918889231SJavier Cardona unsigned long wrkq_flags; 450472dbc45SJohannes Berg 451472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 452472dbc45SJohannes Berg size_t mesh_id_len; 453472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 4543491707aSRui Paulo u8 mesh_pp_id; 455472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 4563491707aSRui Paulo u8 mesh_pm_id; 457472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 4583491707aSRui Paulo u8 mesh_cc_id; 4599e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 4603491707aSRui Paulo u8 mesh_sp_id; 4619e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 4623491707aSRui Paulo u8 mesh_auth_id; 463d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 464d19b3bf6SRui Paulo u32 sn; 465472dbc45SJohannes Berg /* Last used PREQ ID */ 466472dbc45SJohannes Berg u32 preq_id; 467472dbc45SJohannes Berg atomic_t mpaths; 468d19b3bf6SRui Paulo /* Timestamp of last SN update */ 469d19b3bf6SRui Paulo unsigned long last_sn_update; 470d19b3bf6SRui Paulo /* Timestamp of last SN sent */ 471472dbc45SJohannes Berg unsigned long last_preq; 472472dbc45SJohannes Berg struct mesh_rmc *rmc; 473472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 474472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 475472dbc45SJohannes Berg int preq_queue_len; 476472dbc45SJohannes Berg struct mesh_stats mshstats; 477472dbc45SJohannes Berg struct mesh_config mshcfg; 478472dbc45SJohannes Berg u32 mesh_seqnum; 479472dbc45SJohannes Berg bool accepting_plinks; 480472dbc45SJohannes Berg }; 481902acc78SJohannes Berg 482902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 483472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 484472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 485902acc78SJohannes Berg #else 486472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 487902acc78SJohannes Berg do { } while (0) 488902acc78SJohannes Berg #endif 489f0706e82SJiri Benc 490213cd118SJohannes Berg /** 491213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 492213cd118SJohannes Berg * 493213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 494213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 495213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 496213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 497213cd118SJohannes Berg * associated stations and deliver multicast frames both 498213cd118SJohannes Berg * back to wireless media and to the local net stack. 499213cd118SJohannes Berg */ 500213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 501213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 502213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 5037986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 5047986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 505213cd118SJohannes Berg }; 506213cd118SJohannes Berg 50734d4bc4dSJohannes Berg /** 50834d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 50934d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 51034d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 51134d4bc4dSJohannes Berg * change handling while the interface is up 5125b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 5135b714c6aSJohannes Berg * mode, so queues are stopped 51434d4bc4dSJohannes Berg */ 51534d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 51634d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 5175b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 51834d4bc4dSJohannes Berg }; 51934d4bc4dSJohannes Berg 520f0706e82SJiri Benc struct ieee80211_sub_if_data { 521f0706e82SJiri Benc struct list_head list; 522f0706e82SJiri Benc 523f0706e82SJiri Benc struct wireless_dev wdev; 524f0706e82SJiri Benc 52511a843b7SJohannes Berg /* keys */ 52611a843b7SJohannes Berg struct list_head key_list; 52711a843b7SJohannes Berg 528f0706e82SJiri Benc struct net_device *dev; 529f0706e82SJiri Benc struct ieee80211_local *local; 530f0706e82SJiri Benc 53113262ffdSJiri Slaby unsigned int flags; 5327e9ed188SDaniel Drake 53334d4bc4dSJohannes Berg unsigned long state; 53434d4bc4dSJohannes Berg 535f0706e82SJiri Benc int drop_unencrypted; 536f0706e82SJiri Benc 53747846c9bSJohannes Berg char name[IFNAMSIZ]; 53847846c9bSJohannes Berg 539413ad50aSJohannes Berg /* 540413ad50aSJohannes Berg * keep track of whether the HT opmode (stored in 541413ad50aSJohannes Berg * vif.bss_info.ht_operation_mode) is valid. 542413ad50aSJohannes Berg */ 543413ad50aSJohannes Berg bool ht_opmode_valid; 544413ad50aSJohannes Berg 5457da7cc1dSJohannes Berg /* to detect idle changes */ 5467da7cc1dSJohannes Berg bool old_idle; 5477da7cc1dSJohannes Berg 548f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 549f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 550f0706e82SJiri Benc unsigned int fragment_next; 551f0706e82SJiri Benc 552f0706e82SJiri Benc #define NUM_DEFAULT_KEYS 4 5533cfcf6acSJouni Malinen #define NUM_DEFAULT_MGMT_KEYS 2 5543cfcf6acSJouni Malinen struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 555f0706e82SJiri Benc struct ieee80211_key *default_key; 5563cfcf6acSJouni Malinen struct ieee80211_key *default_mgmt_key; 557f0706e82SJiri Benc 55894778280SJohannes Berg u16 sequence_number; 559a621fa4dSJohannes Berg __be16 control_port_protocol; 560a621fa4dSJohannes Berg bool control_port_no_encrypt; 56194778280SJohannes Berg 56264592c8fSJohannes Berg struct work_struct work; 56335f20c14SJohannes Berg struct sk_buff_head skb_queue; 56435f20c14SJohannes Berg 56568542962SJuuso Oikarinen bool arp_filter_state; 56668542962SJuuso Oikarinen 5673e122be0SJohannes Berg /* 5683e122be0SJohannes Berg * AP this belongs to: self in AP mode and 5693e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 5703e122be0SJohannes Berg * all others (might be needed later in IBSS) 5713e122be0SJohannes Berg */ 5723e122be0SJohannes Berg struct ieee80211_if_ap *bss; 5733e122be0SJohannes Berg 57437eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 57537eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 576f0706e82SJiri Benc 577f0706e82SJiri Benc union { 578f0706e82SJiri Benc struct ieee80211_if_ap ap; 579f0706e82SJiri Benc struct ieee80211_if_wds wds; 580f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 58146900298SJohannes Berg struct ieee80211_if_managed mgd; 58246900298SJohannes Berg struct ieee80211_if_ibss ibss; 583472dbc45SJohannes Berg #ifdef CONFIG_MAC80211_MESH 584472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 585472dbc45SJohannes Berg #endif 5868cc9a739SMichael Wu u32 mntr_flags; 587f0706e82SJiri Benc } u; 588e9f207f0SJiri Benc 589e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 590e9f207f0SJiri Benc struct { 5917bcfaf2fSJohannes Berg struct dentry *dir; 592295bafb4SBen Greear struct dentry *subdir_stations; 5932b58b209SJouni Malinen struct dentry *default_key; 5943cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 5957bcfaf2fSJohannes Berg } debugfs; 596e9f207f0SJiri Benc #endif 59732bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 59832bfd35dSJohannes Berg struct ieee80211_vif vif; 599f0706e82SJiri Benc }; 600f0706e82SJiri Benc 60132bfd35dSJohannes Berg static inline 60232bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 60332bfd35dSJohannes Berg { 60432bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 60532bfd35dSJohannes Berg } 60632bfd35dSJohannes Berg 607472dbc45SJohannes Berg static inline void 608472dbc45SJohannes Berg ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, 609472dbc45SJohannes Berg u8 mesh_id_len, u8 *mesh_id) 610472dbc45SJohannes Berg { 611472dbc45SJohannes Berg #ifdef CONFIG_MAC80211_MESH 612472dbc45SJohannes Berg struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 613472dbc45SJohannes Berg ifmsh->mesh_id_len = mesh_id_len; 614472dbc45SJohannes Berg memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); 615472dbc45SJohannes Berg #else 616472dbc45SJohannes Berg WARN_ON(1); 617472dbc45SJohannes Berg #endif 618472dbc45SJohannes Berg } 619472dbc45SJohannes Berg 620c1475ca9SJohannes Berg enum sdata_queue_type { 621c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 622c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 623c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 624c1475ca9SJohannes Berg }; 625c1475ca9SJohannes Berg 626f0706e82SJiri Benc enum { 627f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 628f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 629f0706e82SJiri Benc }; 630f0706e82SJiri Benc 631ce7c9111SKalle Valo enum queue_stop_reason { 632ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 633520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 63496f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 63596f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 63625420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 6378f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 638ce7c9111SKalle Valo }; 639ce7c9111SKalle Valo 640142b9f50SHelmut Schaa /** 641142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 642142b9f50SHelmut Schaa * 643142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 644142b9f50SHelmut Schaa * well be on the operating channel 645142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 646142b9f50SHelmut Schaa * determine if we are on the operating channel or not 647142b9f50SHelmut Schaa * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning, 648142b9f50SHelmut Schaa * gets only set in conjunction with SCAN_SW_SCANNING 6498789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 6508789d459SJohannes Berg * that the scan completed. 6518789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 6528789d459SJohannes Berg * a scan complete for an aborted scan. 653142b9f50SHelmut Schaa */ 654fbe9c429SHelmut Schaa enum { 655fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 656142b9f50SHelmut Schaa SCAN_HW_SCANNING, 657142b9f50SHelmut Schaa SCAN_OFF_CHANNEL, 6588789d459SJohannes Berg SCAN_COMPLETED, 6598789d459SJohannes Berg SCAN_ABORTED, 660142b9f50SHelmut Schaa }; 661142b9f50SHelmut Schaa 662142b9f50SHelmut Schaa /** 663142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 664142b9f50SHelmut Schaa * 665142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 666142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 667142b9f50SHelmut Schaa * operating channel 668142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 669142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 670142b9f50SHelmut Schaa * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP 671142b9f50SHelmut Schaa * about us leaving the channel and stop all associated STA interfaces 672142b9f50SHelmut Schaa * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the 673142b9f50SHelmut Schaa * AP about us being back and restart all associated STA interfaces 674142b9f50SHelmut Schaa */ 675142b9f50SHelmut Schaa enum mac80211_scan_state { 676142b9f50SHelmut Schaa SCAN_DECISION, 677142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 678142b9f50SHelmut Schaa SCAN_SEND_PROBE, 679142b9f50SHelmut Schaa SCAN_LEAVE_OPER_CHANNEL, 680142b9f50SHelmut Schaa SCAN_ENTER_OPER_CHANNEL, 681fbe9c429SHelmut Schaa }; 682fbe9c429SHelmut Schaa 683f0706e82SJiri Benc struct ieee80211_local { 684f0706e82SJiri Benc /* embed the driver visible part. 685f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 686f0706e82SJiri Benc * it first anyway so they become a no-op */ 687f0706e82SJiri Benc struct ieee80211_hw hw; 688f0706e82SJiri Benc 689f0706e82SJiri Benc const struct ieee80211_ops *ops; 690f0706e82SJiri Benc 69142935ecaSLuis R. Rodriguez /* 692af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 693af6b6374SJohannes Berg */ 694af6b6374SJohannes Berg struct list_head work_list; 695af6b6374SJohannes Berg struct timer_list work_timer; 696af6b6374SJohannes Berg struct work_struct work_work; 697af6b6374SJohannes Berg struct sk_buff_head work_skb_queue; 698af6b6374SJohannes Berg 699af6b6374SJohannes Berg /* 70042935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 70142935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 70242935ecaSLuis R. Rodriguez */ 70342935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 70442935ecaSLuis R. Rodriguez 705e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 70696f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 707ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 70896f5e66eSJohannes Berg 709f0706e82SJiri Benc int open_count; 7103d30d949SMichael Wu int monitors, cooked_mntrs; 7118cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 712e3b90ca2SIgor Perminov int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll; 7134150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 7143b8d81e0SJohannes Berg 7153ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 7163ffc2a90SJohannes Berg 7173b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 7183b8d81e0SJohannes Berg spinlock_t filter_lock; 7193b8d81e0SJohannes Berg 7203ac64beeSJohannes Berg /* used for uploading changed mc list */ 7213ac64beeSJohannes Berg struct work_struct reconfig_filter; 7223ac64beeSJohannes Berg 7230f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 7240f78231bSJohannes Berg struct work_struct recalc_smps; 7250f78231bSJohannes Berg 7263b8d81e0SJohannes Berg /* aggregated multicast list */ 72722bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 7283b8d81e0SJohannes Berg 729d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 7305bb644a0SJohannes Berg 7315bb644a0SJohannes Berg /* 7325bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 7335bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 7345bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 7355bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 7365bb644a0SJohannes Berg */ 7375bb644a0SJohannes Berg bool suspended; 7385bb644a0SJohannes Berg 7395bb644a0SJohannes Berg /* 740ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 741ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 742ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 743ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 744ceb99fe0SJohannes Berg */ 745ceb99fe0SJohannes Berg bool resuming; 746ceb99fe0SJohannes Berg 747ceb99fe0SJohannes Berg /* 7485bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 7495bb644a0SJohannes Berg * ease timer cancelling etc. 7505bb644a0SJohannes Berg */ 7515bb644a0SJohannes Berg bool quiescing; 7525bb644a0SJohannes Berg 753ea77f12fSJohannes Berg /* device is started */ 754ea77f12fSJohannes Berg bool started; 755ea77f12fSJohannes Berg 756b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 757f0706e82SJiri Benc 758f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 759f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 760f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 761f0706e82SJiri Benc * queues increases over the limit. */ 762f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 763f0706e82SJiri Benc struct tasklet_struct tasklet; 764f0706e82SJiri Benc struct sk_buff_head skb_queue; 765f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 766f0706e82SJiri Benc 767d0709a65SJohannes Berg /* Station data */ 768d0709a65SJohannes Berg /* 76934e89507SJohannes Berg * The mutex only protects the list and counter, 77034e89507SJohannes Berg * reads are done in RCU. 77134e89507SJohannes Berg * Additionally, the lock protects the hash table, 77234e89507SJohannes Berg * the pending list and each BSS's TIM bitmap. 773d0709a65SJohannes Berg */ 77434e89507SJohannes Berg struct mutex sta_mtx; 775d0709a65SJohannes Berg spinlock_t sta_lock; 776d0709a65SJohannes Berg unsigned long num_sta; 77734e89507SJohannes Berg struct list_head sta_list, sta_pending_list; 778f0706e82SJiri Benc struct sta_info *sta_hash[STA_HASH_SIZE]; 779f0706e82SJiri Benc struct timer_list sta_cleanup; 78034e89507SJohannes Berg struct work_struct sta_finish_work; 781f5ea9120SJohannes Berg int sta_generation; 782f0706e82SJiri Benc 7832a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 784f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 785f0706e82SJiri Benc 786a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 787cd8ffc80SJohannes Berg 788f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 78953918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 790f0706e82SJiri Benc 791f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 792f0706e82SJiri Benc 793f0706e82SJiri Benc struct crypto_blkcipher *wep_tx_tfm; 794f0706e82SJiri Benc struct crypto_blkcipher *wep_rx_tfm; 795f0706e82SJiri Benc u32 wep_iv; 796f0706e82SJiri Benc 797c771c9d8SJohannes Berg /* see iface.c */ 79879010420SJohannes Berg struct list_head interfaces; 799c771c9d8SJohannes Berg struct mutex iflist_mtx; 80079010420SJohannes Berg 801b16bd15cSJohannes Berg /* 802ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 803b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 804b16bd15cSJohannes Berg */ 805ad0e2b5aSJohannes Berg struct mutex key_mtx; 806b16bd15cSJohannes Berg 807a1699b75SJohannes Berg /* mutex for scan and work locking */ 808a1699b75SJohannes Berg struct mutex mtx; 809b16bd15cSJohannes Berg 810c2b13452SJohannes Berg /* Scanning and BSS list */ 811fbe9c429SHelmut Schaa unsigned long scanning; 8122a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 8135ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 8144d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 8152a519311SJohannes Berg struct ieee80211_channel *scan_channel; 8164d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 817f0706e82SJiri Benc int scan_channel_idx; 818de95a54bSJohannes Berg int scan_ies_len; 8198318d78aSJohannes Berg 820df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 821977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 822f0706e82SJiri Benc struct delayed_work scan_work; 823491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 8240aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 8252a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 826f0706e82SJiri Benc 827b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 828b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 829b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 830b8bc4b0aSJohannes Berg 831f0706e82SJiri Benc /* SNMP counters */ 832f0706e82SJiri Benc /* dot11CountersTable */ 833f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 834f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 835f0706e82SJiri Benc u32 dot11FailedCount; 836f0706e82SJiri Benc u32 dot11RetryCount; 837f0706e82SJiri Benc u32 dot11MultipleRetryCount; 838f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 839f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 840f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 841f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 842f0706e82SJiri Benc 843f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 844f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 845cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 846cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 847cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 848f0706e82SJiri Benc #endif 849f0706e82SJiri Benc 850f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 851f0706e82SJiri Benc /* TX/RX handler statistics */ 852f0706e82SJiri Benc unsigned int tx_handlers_drop; 853f0706e82SJiri Benc unsigned int tx_handlers_queued; 854f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 855f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 856f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 857f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 858f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 859f0706e82SJiri Benc unsigned int rx_handlers_drop; 860f0706e82SJiri Benc unsigned int rx_handlers_queued; 861f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 862f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 863f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 864f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 865f0706e82SJiri Benc unsigned int tx_expand_skb_head; 866f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 867f0706e82SJiri Benc unsigned int rx_expand_skb_head; 868f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 869f0706e82SJiri Benc unsigned int rx_handlers_fragments; 870f0706e82SJiri Benc unsigned int tx_status_drop; 871f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 872f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 873f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 874f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 875f0706e82SJiri Benc 876f0706e82SJiri Benc 877f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 878f0706e82SJiri Benc * multicast packets for power saving stations 879f0706e82SJiri Benc */ 880f0706e82SJiri Benc int wifi_wme_noack_test; 881f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 882520eb820SKalle Valo 88350ae0cf1SKalle Valo /* 88450ae0cf1SKalle Valo * Bitmask of enabled u-apsd queues, 88550ae0cf1SKalle Valo * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 88650ae0cf1SKalle Valo * to take effect. 88750ae0cf1SKalle Valo */ 88850ae0cf1SKalle Valo unsigned int uapsd_queues; 88950ae0cf1SKalle Valo 89050ae0cf1SKalle Valo /* 89150ae0cf1SKalle Valo * Maximum number of buffered frames AP can deliver during a 89250ae0cf1SKalle Valo * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 89350ae0cf1SKalle Valo * Needs a new association to take effect. 89450ae0cf1SKalle Valo */ 89550ae0cf1SKalle Valo unsigned int uapsd_max_sp_len; 89650ae0cf1SKalle Valo 897572e0012SKalle Valo bool pspolling; 898b203ffc3SJouni Malinen bool offchannel_ps_enabled; 899965bedadSJohannes Berg /* 900965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 901965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 902965bedadSJohannes Berg */ 903965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 904520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 905520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 906520eb820SKalle Valo struct timer_list dynamic_ps_timer; 90710f644a4SJohannes Berg struct notifier_block network_latency_notifier; 9082b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 909f0706e82SJiri Benc 910ff616381SJuuso Oikarinen /* 911ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 912ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 913ff616381SJuuso Oikarinen */ 914ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 915f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 916f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 917ff616381SJuuso Oikarinen 9182bf30fabSJohannes Berg int user_power_level; /* in dBm */ 919a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 9202bf30fabSJohannes Berg 9210f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 9220f78231bSJohannes Berg 923f2753ddbSJohannes Berg struct work_struct restart_work; 924f2753ddbSJohannes Berg 925e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 926e9f207f0SJiri Benc struct local_debugfsdentries { 9274b7679a5SJohannes Berg struct dentry *rcdir; 928e9f207f0SJiri Benc struct dentry *keys; 929e9f207f0SJiri Benc } debugfs; 930e9f207f0SJiri Benc #endif 9314e6cbfd0SJohn W. Linville 9324e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 9334e6cbfd0SJohn W. Linville struct net_device napi_dev; 9344e6cbfd0SJohn W. Linville 9354e6cbfd0SJohn W. Linville struct napi_struct napi; 936f0706e82SJiri Benc }; 937f0706e82SJiri Benc 9383e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 9393e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 9403e122be0SJohannes Berg { 9413e122be0SJohannes Berg return netdev_priv(dev); 9423e122be0SJohannes Berg } 9433e122be0SJohannes Berg 944c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 945eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 946eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 947eadc8d9eSRon Rindjunsky u16 tid; 948eadc8d9eSRon Rindjunsky }; 949eadc8d9eSRon Rindjunsky 950ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 951ee385855SLuis Carlos Cobo struct ieee802_11_elems { 95243ac2ca3SJouni Malinen u8 *ie_start; 95343ac2ca3SJouni Malinen size_t total_len; 95443ac2ca3SJouni Malinen 955ee385855SLuis Carlos Cobo /* pointers to IEs */ 956ee385855SLuis Carlos Cobo u8 *ssid; 957ee385855SLuis Carlos Cobo u8 *supp_rates; 958ee385855SLuis Carlos Cobo u8 *fh_params; 959ee385855SLuis Carlos Cobo u8 *ds_params; 960ee385855SLuis Carlos Cobo u8 *cf_params; 961e7ec86f5SJohannes Berg struct ieee80211_tim_ie *tim; 962ee385855SLuis Carlos Cobo u8 *ibss_params; 963ee385855SLuis Carlos Cobo u8 *challenge; 964ee385855SLuis Carlos Cobo u8 *wpa; 965ee385855SLuis Carlos Cobo u8 *rsn; 966ee385855SLuis Carlos Cobo u8 *erp_info; 967ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 968ee385855SLuis Carlos Cobo u8 *wmm_info; 969ee385855SLuis Carlos Cobo u8 *wmm_param; 97009914813SJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 971d9fe60deSJohannes Berg struct ieee80211_ht_info *ht_info_elem; 972136cfa28SRui Paulo struct ieee80211_meshconf_ie *mesh_config; 973ee385855SLuis Carlos Cobo u8 *mesh_id; 974ee385855SLuis Carlos Cobo u8 *peer_link; 975ee385855SLuis Carlos Cobo u8 *preq; 976ee385855SLuis Carlos Cobo u8 *prep; 977ee385855SLuis Carlos Cobo u8 *perr; 97890a5e169SRui Paulo struct ieee80211_rann_ie *rann; 979f2df3859SAssaf Krauss u8 *ch_switch_elem; 980f2df3859SAssaf Krauss u8 *country_elem; 981f2df3859SAssaf Krauss u8 *pwr_constr_elem; 982f2df3859SAssaf Krauss u8 *quiet_elem; /* first quite element */ 983f797eb7eSJouni Malinen u8 *timeout_int; 984ee385855SLuis Carlos Cobo 985ee385855SLuis Carlos Cobo /* length of them, respectively */ 986ee385855SLuis Carlos Cobo u8 ssid_len; 987ee385855SLuis Carlos Cobo u8 supp_rates_len; 988ee385855SLuis Carlos Cobo u8 fh_params_len; 989ee385855SLuis Carlos Cobo u8 ds_params_len; 990ee385855SLuis Carlos Cobo u8 cf_params_len; 991ee385855SLuis Carlos Cobo u8 tim_len; 992ee385855SLuis Carlos Cobo u8 ibss_params_len; 993ee385855SLuis Carlos Cobo u8 challenge_len; 994ee385855SLuis Carlos Cobo u8 wpa_len; 995ee385855SLuis Carlos Cobo u8 rsn_len; 996ee385855SLuis Carlos Cobo u8 erp_info_len; 997ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 998ee385855SLuis Carlos Cobo u8 wmm_info_len; 999ee385855SLuis Carlos Cobo u8 wmm_param_len; 1000ee385855SLuis Carlos Cobo u8 mesh_id_len; 1001ee385855SLuis Carlos Cobo u8 peer_link_len; 1002ee385855SLuis Carlos Cobo u8 preq_len; 1003ee385855SLuis Carlos Cobo u8 prep_len; 1004ee385855SLuis Carlos Cobo u8 perr_len; 1005f2df3859SAssaf Krauss u8 ch_switch_elem_len; 1006f2df3859SAssaf Krauss u8 country_elem_len; 1007f2df3859SAssaf Krauss u8 pwr_constr_elem_len; 1008f2df3859SAssaf Krauss u8 quiet_elem_len; 1009f2df3859SAssaf Krauss u8 num_of_quiet_elem; /* can be more the one */ 1010f797eb7eSJouni Malinen u8 timeout_int_len; 1011ee385855SLuis Carlos Cobo }; 1012ee385855SLuis Carlos Cobo 1013f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1014f0706e82SJiri Benc struct ieee80211_hw *hw) 1015f0706e82SJiri Benc { 1016f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1017f0706e82SJiri Benc } 1018f0706e82SJiri Benc 1019f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 1020f0706e82SJiri Benc struct ieee80211_local *local) 1021f0706e82SJiri Benc { 1022f0706e82SJiri Benc return &local->hw; 1023f0706e82SJiri Benc } 1024f0706e82SJiri Benc 1025f0706e82SJiri Benc 1026571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1027571ecf67SJohannes Berg { 1028571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 1029571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1030571ecf67SJohannes Berg } 1031571ecf67SJohannes Berg 1032571ecf67SJohannes Berg 1033e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 10345cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 10359c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 10369c6bd790SJohannes Berg u32 changed); 10370d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 103846900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1039f0706e82SJiri Benc 1040f38fd12fSJohannes Berg extern bool ieee80211_disable_40mhz_24ghz; 1041f38fd12fSJohannes Berg 104246900298SJohannes Berg /* STA code */ 10439c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 104477fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 104577fdaa12SJohannes Berg struct cfg80211_auth_request *req); 104677fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 104777fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 104877fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 1049667503ddSJohannes Berg struct cfg80211_deauth_request *req, 1050667503ddSJohannes Berg void *cookie); 105177fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 1052667503ddSJohannes Berg struct cfg80211_disassoc_request *req, 1053667503ddSJohannes Berg void *cookie); 1054572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1055572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 105610f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 105710f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 105810f644a4SJohannes Berg unsigned long data, void *dummy); 10592b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1060cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1061cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 10625ce6e438SJohannes Berg struct ieee80211_bss *bss, 10635ce6e438SJohannes Berg u64 timestamp); 10645bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 10655bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 10661fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 10671fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10681fa57d01SJohannes Berg struct sk_buff *skb); 1069d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1070be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 10719c6bd790SJohannes Berg 107246900298SJohannes Berg /* IBSS code */ 107346900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 107446900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 107546900298SJohannes Berg struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, 107634e89507SJohannes Berg u8 *bssid, u8 *addr, u32 supp_rates, 107734e89507SJohannes Berg gfp_t gfp); 1078af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1079af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1080af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 10815bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 10825bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 10831fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 10841fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10851fa57d01SJohannes Berg struct sk_buff *skb); 10861fa57d01SJohannes Berg 10871fa57d01SJohannes Berg /* mesh code */ 10881fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 10891fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10901fa57d01SJohannes Berg struct sk_buff *skb); 109146900298SJohannes Berg 10929c6bd790SJohannes Berg /* scan/BSS handling */ 109346900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1094f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1095be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1096be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1097c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 10982a519311SJohannes Berg struct cfg80211_scan_request *req); 10995bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1100c2b13452SJohannes Berg ieee80211_rx_result 1101f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 11029c6bd790SJohannes Berg 11030a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1104c2b13452SJohannes Berg struct ieee80211_bss * 110598c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 110698c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 110798c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 110898c8fccfSJohannes Berg size_t len, 110998c8fccfSJohannes Berg struct ieee802_11_elems *elems, 11102a519311SJohannes Berg struct ieee80211_channel *channel, 11112a519311SJohannes Berg bool beacon); 1112c2b13452SJohannes Berg struct ieee80211_bss * 11135484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 11145484e237SJohannes Berg u8 *ssid, u8 ssid_len); 111598c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1116c2b13452SJohannes Berg struct ieee80211_bss *bss); 1117ee385855SLuis Carlos Cobo 1118b203ffc3SJouni Malinen /* off-channel helpers */ 1119b203ffc3SJouni Malinen void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local); 1120b203ffc3SJouni Malinen void ieee80211_offchannel_stop_station(struct ieee80211_local *local); 1121b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1122b203ffc3SJouni Malinen bool enable_beaconing); 1123b203ffc3SJouni Malinen 11243e122be0SJohannes Berg /* interface handling */ 112547846c9bSJohannes Berg int ieee80211_iface_init(void); 112647846c9bSJohannes Berg void ieee80211_iface_exit(void); 11273e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 112805c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1129ee385855SLuis Carlos Cobo struct vif_params *params); 1130f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 113105c914feSJohannes Berg enum nl80211_iftype type); 1132f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 113375636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 11345cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 11355cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 113685416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 113785416a4fSChristian Lamparter const int offset); 1138f0706e82SJiri Benc 11399607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 11409607e6b6SJohannes Berg { 114134d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 11429607e6b6SJohannes Berg } 11439607e6b6SJohannes Berg 1144e2ebc74dSJohannes Berg /* tx handling */ 1145e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1146e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1147d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1148d0cf9c0dSStephen Hemminger struct net_device *dev); 1149d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1150d0cf9c0dSStephen Hemminger struct net_device *dev); 1151e2ebc74dSJohannes Berg 1152fe7a5d5cSJohannes Berg /* 1153fe7a5d5cSJohannes Berg * radiotap header for status frames 1154fe7a5d5cSJohannes Berg */ 1155fe7a5d5cSJohannes Berg struct ieee80211_tx_status_rtap_hdr { 1156fe7a5d5cSJohannes Berg struct ieee80211_radiotap_header hdr; 1157fe7a5d5cSJohannes Berg u8 rate; 1158fe7a5d5cSJohannes Berg u8 padding_for_rate; 1159fe7a5d5cSJohannes Berg __le16 tx_flags; 1160fe7a5d5cSJohannes Berg u8 data_retries; 1161bc10502dSEric Dumazet } __packed; 1162fe7a5d5cSJohannes Berg 1163fe7a5d5cSJohannes Berg 1164de1ede7aSJohannes Berg /* HT */ 1165ae5eb026SJohannes Berg void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, 1166ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1167d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1168de1ede7aSJohannes Berg void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); 1169b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1170b8695a8fSJohannes Berg const u8 *da, u16 tid, 1171b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 11720f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 11730f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 11740f78231bSJohannes Berg const u8 *bssid); 1175d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1176de1ede7aSJohannes Berg 11777c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 11787c3b1dd8SJohannes Berg u16 initiator, u16 reason); 1179849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 1180849b7967SJohannes Berg u16 initiator, u16 reason); 11812dace10eSJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); 1182de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1183de1ede7aSJohannes Berg struct sta_info *sta, 1184de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1185de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1186de1ede7aSJohannes Berg struct sta_info *sta, 1187de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1188de1ede7aSJohannes Berg size_t len); 1189de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1190de1ede7aSJohannes Berg struct sta_info *sta, 1191de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1192de1ede7aSJohannes Berg size_t len); 1193de1ede7aSJohannes Berg 1194849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1195849b7967SJohannes Berg enum ieee80211_back_parties initiator); 119667c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 119767c282c0SJohannes Berg enum ieee80211_back_parties initiator); 11985d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 11995d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 120067c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 120167c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 12022bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1203849b7967SJohannes Berg 120439192c0bSJohannes Berg /* Spectrum management */ 120539192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 120639192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 120739192c0bSJohannes Berg size_t len); 120839192c0bSJohannes Berg 1209f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1210f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 121184f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1212f2753ddbSJohannes Berg 1213827b1fb4SJohannes Berg #ifdef CONFIG_PM 1214665af4fcSBob Copeland int __ieee80211_suspend(struct ieee80211_hw *hw); 1215f2753ddbSJohannes Berg 1216f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1217f2753ddbSJohannes Berg { 121885f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 121985f72bc8SJohn W. Linville 122085f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 122185f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 122285f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 122385f72bc8SJohn W. Linville 1224f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1225f2753ddbSJohannes Berg } 1226827b1fb4SJohannes Berg #else 1227827b1fb4SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw) 1228827b1fb4SJohannes Berg { 1229827b1fb4SJohannes Berg return 0; 1230827b1fb4SJohannes Berg } 1231f2753ddbSJohannes Berg 1232827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1233827b1fb4SJohannes Berg { 1234827b1fb4SJohannes Berg return 0; 1235827b1fb4SJohannes Berg } 1236827b1fb4SJohannes Berg #endif 1237665af4fcSBob Copeland 1238c2d1560aSJohannes Berg /* utility functions/constants */ 1239c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 124071364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 124105c914feSJohannes Berg enum nl80211_iftype type); 1242c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1243c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1244f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1245e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1246e6d6e342SJohannes Berg gfp_t gfp); 12475825fe10SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); 124862ae67beSJohannes Berg void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 12499c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 12509c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1251d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1252d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1253d91f36dbSJohannes Berg u64 filter, u32 crc); 1254881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 125596dd22acSJohannes Berg enum ieee80211_band band); 1256f0706e82SJiri Benc 1257520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1258520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1259520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1260a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1261a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1262a97b77b9SVivek Natarajan int powersave); 12633cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 12643cf335d5SKalle Valo struct ieee80211_hdr *hdr); 12651e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1266520eb820SKalle Valo 1267ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1268ce7c9111SKalle Valo enum queue_stop_reason reason); 1269ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1270ce7c9111SKalle Valo enum queue_stop_reason reason); 127196f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 127296f5e66eSJohannes Berg enum queue_stop_reason reason); 127396f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 127496f5e66eSJohannes Berg enum queue_stop_reason reason); 12758f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 12768f77f384SJohannes Berg struct sk_buff *skb); 12778f77f384SJohannes Berg int ieee80211_add_pending_skbs(struct ieee80211_local *local, 12788f77f384SJohannes Berg struct sk_buff_head *skbs); 1279ce7c9111SKalle Valo 128046900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 128146900298SJohannes Berg u16 transaction, u16 auth_alg, 1282fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1283fffd0934SJohannes Berg const u8 *key, u8 key_len, u8 key_idx); 1284de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 12854d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 1286651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1287651b5225SJouni Malinen u8 channel); 128846900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1289de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1290de95a54bSJohannes Berg const u8 *ie, size_t ie_len); 129146900298SJohannes Berg 129246900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 129346900298SJohannes Berg const size_t supp_rates_len, 129446900298SJohannes Berg const u8 *supp_rates); 129546900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 129646900298SJohannes Berg struct ieee802_11_elems *elems, 129746900298SJohannes Berg enum ieee80211_band band); 12980f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 12990f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 13000f78231bSJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local, 13010f78231bSJohannes Berg struct ieee80211_sub_if_data *forsdata); 130246900298SJohannes Berg 13038e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 13048e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 13058e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 13068e664fb3SJohannes Berg 1307af6b6374SJohannes Berg /* internal work items */ 1308af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1309af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1310af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1311af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1312af6b6374SJohannes Berg ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, 1313af6b6374SJohannes Berg struct sk_buff *skb); 1314b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1315b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1316b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1317b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1318b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1319b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1320af6b6374SJohannes Berg 1321f444de05SJohannes Berg /* channel management */ 1322f444de05SJohannes Berg enum ieee80211_chan_mode { 1323f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1324f444de05SJohannes Berg CHAN_MODE_HOPPING, 1325f444de05SJohannes Berg CHAN_MODE_FIXED, 1326f444de05SJohannes Berg }; 1327f444de05SJohannes Berg 1328f444de05SJohannes Berg enum ieee80211_chan_mode 1329f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1330f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 13310aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 13320aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 13330aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 1334f444de05SJohannes Berg 1335f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1336d9e8a70fSJohannes Berg #define debug_noinline noinline 1337d9e8a70fSJohannes Berg #else 1338d9e8a70fSJohannes Berg #define debug_noinline 1339d9e8a70fSJohannes Berg #endif 1340d9e8a70fSJohannes Berg 1341f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1342