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 530a51b27eSJohannes Berg /* 540a51b27eSJohannes Berg * Time after which we ignore scan results and no longer report/use 550a51b27eSJohannes Berg * them in any way. 560a51b27eSJohannes Berg */ 570a51b27eSJohannes Berg #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) 580a51b27eSJohannes Berg 5920ad19d0SJohannes Berg #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) 6020ad19d0SJohannes Berg 61ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 62ab13315aSKalle Valo (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ 63ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ 64ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ 65ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 66ab13315aSKalle Valo 67ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 68ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 69ab13315aSKalle Valo 70f0706e82SJiri Benc struct ieee80211_fragment_entry { 71f0706e82SJiri Benc unsigned long first_frag_time; 72f0706e82SJiri Benc unsigned int seq; 73f0706e82SJiri Benc unsigned int rx_queue; 74f0706e82SJiri Benc unsigned int last_frag; 75f0706e82SJiri Benc unsigned int extra_len; 76f0706e82SJiri Benc struct sk_buff_head skb_list; 77f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 78f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 79f0706e82SJiri Benc }; 80f0706e82SJiri Benc 81f0706e82SJiri Benc 82c2b13452SJohannes Berg struct ieee80211_bss { 8300d3f14cSJohannes Berg /* don't want to look up all the time */ 84056cdd59SJohannes Berg size_t ssid_len; 85f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 8600d3f14cSJohannes Berg 8798f7dfd8SEmmanuel Grumbach u8 dtim_period; 8800d3f14cSJohannes Berg 8943ac2ca3SJouni Malinen bool wmm_used; 90ab13315aSKalle Valo bool uapsd_supported; 9100d3f14cSJohannes Berg 9200d3f14cSJohannes Berg unsigned long last_probe_resp; 9300d3f14cSJohannes Berg 94ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 95ee385855SLuis Carlos Cobo u8 *mesh_id; 96ee385855SLuis Carlos Cobo size_t mesh_id_len; 9724736701SJohn W. Linville u8 *mesh_cfg; 98902acc78SJohannes Berg #endif 9900d3f14cSJohannes Berg 100f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 101f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 102f0706e82SJiri Benc size_t supp_rates_len; 103f0706e82SJiri Benc 10400d3f14cSJohannes Berg /* 10500d3f14cSJohannes Berg * During assocation, we save an ERP value from a probe response so 1065628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1075628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10800d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10900d3f14cSJohannes Berg */ 11000d3f14cSJohannes Berg bool has_erp_value; 1115628221cSDaniel Drake u8 erp_value; 112f0706e82SJiri Benc }; 113f0706e82SJiri Benc 114c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 115902acc78SJohannes Berg { 116902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 117902acc78SJohannes Berg return bss->mesh_cfg; 118902acc78SJohannes Berg #endif 119902acc78SJohannes Berg return NULL; 120902acc78SJohannes Berg } 121902acc78SJohannes Berg 122c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 123902acc78SJohannes Berg { 124902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 125902acc78SJohannes Berg return bss->mesh_id; 126902acc78SJohannes Berg #endif 127902acc78SJohannes Berg return NULL; 128902acc78SJohannes Berg } 129902acc78SJohannes Berg 130c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 131902acc78SJohannes Berg { 132902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 133902acc78SJohannes Berg return bss->mesh_id_len; 134902acc78SJohannes Berg #endif 135902acc78SJohannes Berg return 0; 136902acc78SJohannes Berg } 137902acc78SJohannes Berg 138f0706e82SJiri Benc 1399ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1409ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1419ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1429ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1439ae54c84SJohannes Berg 1445cf121c3SJohannes Berg #define IEEE80211_TX_FRAGMENTED BIT(0) 1455cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1465cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1479ae54c84SJohannes Berg 1485cf121c3SJohannes Berg struct ieee80211_tx_data { 149f0706e82SJiri Benc struct sk_buff *skb; 150f0706e82SJiri Benc struct ieee80211_local *local; 151f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 152f0706e82SJiri Benc struct sta_info *sta; 153f0706e82SJiri Benc struct ieee80211_key *key; 1545cf121c3SJohannes Berg 1558318d78aSJohannes Berg struct ieee80211_channel *channel; 156f0706e82SJiri Benc 157a4b7d7bdSHarvey Harrison u16 ethertype; 158056cdd59SJohannes Berg unsigned int flags; 1595cf121c3SJohannes Berg }; 1605cf121c3SJohannes Berg 1615cf121c3SJohannes Berg 1625cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1635cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1645cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1655cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1665cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1675cf121c3SJohannes Berg 1685cf121c3SJohannes Berg #define IEEE80211_RX_IN_SCAN BIT(0) 1695cf121c3SJohannes Berg /* frame is destined to interface currently processed (incl. multicast frames) */ 1705cf121c3SJohannes Berg #define IEEE80211_RX_RA_MATCH BIT(1) 1715cf121c3SJohannes Berg #define IEEE80211_RX_AMSDU BIT(2) 1728c0c709eSJohannes Berg #define IEEE80211_RX_FRAGMENTED BIT(3) 1732569a826SJohannes Berg /* only add flags here that do not change with subframes of an aMPDU */ 1745cf121c3SJohannes Berg 1755cf121c3SJohannes Berg struct ieee80211_rx_data { 1765cf121c3SJohannes Berg struct sk_buff *skb; 1775cf121c3SJohannes Berg struct ieee80211_local *local; 1785cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 1795cf121c3SJohannes Berg struct sta_info *sta; 1805cf121c3SJohannes Berg struct ieee80211_key *key; 181056cdd59SJohannes Berg 182056cdd59SJohannes Berg unsigned int flags; 183f0706e82SJiri Benc int queue; 18450741ae0SJohannes Berg u32 tkip_iv32; 18550741ae0SJohannes Berg u16 tkip_iv16; 186f0706e82SJiri Benc }; 187f0706e82SJiri Benc 1885dfdaf58SJohannes Berg struct beacon_data { 1895dfdaf58SJohannes Berg u8 *head, *tail; 1905dfdaf58SJohannes Berg int head_len, tail_len; 1915dfdaf58SJohannes Berg int dtim_period; 1925dfdaf58SJohannes Berg }; 1935dfdaf58SJohannes Berg 194f0706e82SJiri Benc struct ieee80211_if_ap { 1955dfdaf58SJohannes Berg struct beacon_data *beacon; 196f0706e82SJiri Benc 1970ec3ca44SJohannes Berg struct list_head vlans; 1980ec3ca44SJohannes Berg 199f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 200f0706e82SJiri Benc * bitmap_empty :) 201004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 202f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 203f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 204056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 2055dfdaf58SJohannes Berg int dtim_count; 206f0706e82SJiri Benc }; 207f0706e82SJiri Benc 208f0706e82SJiri Benc struct ieee80211_if_wds { 209f0706e82SJiri Benc struct sta_info *sta; 210056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 211f0706e82SJiri Benc }; 212f0706e82SJiri Benc 213f0706e82SJiri Benc struct ieee80211_if_vlan { 2140ec3ca44SJohannes Berg struct list_head list; 215f14543eeSFelix Fietkau 216f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 217f14543eeSFelix Fietkau struct sta_info *sta; 218f0706e82SJiri Benc }; 219f0706e82SJiri Benc 220ee385855SLuis Carlos Cobo struct mesh_stats { 221c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 222c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 223c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 224ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 225ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 226ee385855SLuis Carlos Cobo atomic_t estab_plinks; 227ee385855SLuis Carlos Cobo }; 228ee385855SLuis Carlos Cobo 229ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 230ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 231ee385855SLuis Carlos Cobo struct mesh_preq_queue { 232ee385855SLuis Carlos Cobo struct list_head list; 233ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 234ee385855SLuis Carlos Cobo u8 flags; 235ee385855SLuis Carlos Cobo }; 236ee385855SLuis Carlos Cobo 237f679f65dSJohannes Berg enum ieee80211_work_type { 238b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 239af6b6374SJohannes Berg IEEE80211_WORK_DIRECT_PROBE, 240f679f65dSJohannes Berg IEEE80211_WORK_AUTH, 241f679f65dSJohannes Berg IEEE80211_WORK_ASSOC, 242b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 24377fdaa12SJohannes Berg }; 24477fdaa12SJohannes Berg 245af6b6374SJohannes Berg /** 246af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 247af6b6374SJohannes Berg * 248af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 249af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 250af6b6374SJohannes Berg * should be requeued. 251af6b6374SJohannes Berg */ 252af6b6374SJohannes Berg enum work_done_result { 253af6b6374SJohannes Berg WORK_DONE_DESTROY, 254af6b6374SJohannes Berg WORK_DONE_REQUEUE, 255af6b6374SJohannes Berg }; 256af6b6374SJohannes Berg 257f679f65dSJohannes Berg struct ieee80211_work { 25877fdaa12SJohannes Berg struct list_head list; 259f679f65dSJohannes Berg 260af6b6374SJohannes Berg struct rcu_head rcu_head; 261af6b6374SJohannes Berg 262af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 263af6b6374SJohannes Berg 264af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 265af6b6374SJohannes Berg struct sk_buff *skb); 266af6b6374SJohannes Berg 267f679f65dSJohannes Berg struct ieee80211_channel *chan; 268e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 269af6b6374SJohannes Berg 270f679f65dSJohannes Berg unsigned long timeout; 271f679f65dSJohannes Berg enum ieee80211_work_type type; 272f679f65dSJohannes Berg 273af6b6374SJohannes Berg u8 filter_ta[ETH_ALEN]; 274af6b6374SJohannes Berg 275e4da8c37SJohannes Berg bool started; 276e4da8c37SJohannes Berg 277f679f65dSJohannes Berg union { 278f679f65dSJohannes Berg struct { 279f679f65dSJohannes Berg int tries; 280f679f65dSJohannes Berg u16 algorithm, transaction; 28177fdaa12SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 28277fdaa12SJohannes Berg u8 ssid_len; 283fffd0934SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 284fffd0934SJohannes Berg u8 key_len, key_idx; 285f679f65dSJohannes Berg bool privacy; 286af6b6374SJohannes Berg } probe_auth; 287f679f65dSJohannes Berg struct { 2880c1ad2caSJohannes Berg struct cfg80211_bss *bss; 289f679f65dSJohannes Berg const u8 *supp_rates; 290f679f65dSJohannes Berg const u8 *ht_information_ie; 291af6b6374SJohannes Berg enum ieee80211_smps_mode smps; 292f679f65dSJohannes Berg int tries; 293f679f65dSJohannes Berg u16 capability; 294af6b6374SJohannes Berg u8 prev_bssid[ETH_ALEN]; 295f679f65dSJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 296f679f65dSJohannes Berg u8 ssid_len; 297f679f65dSJohannes Berg u8 supp_rates_len; 298ab13315aSKalle Valo bool wmm_used, use_11n, uapsd_used; 299f679f65dSJohannes Berg } assoc; 300b8bc4b0aSJohannes Berg struct { 301e4da8c37SJohannes Berg u32 duration; 302b8bc4b0aSJohannes Berg } remain; 303f679f65dSJohannes Berg }; 304fffd0934SJohannes Berg 305f679f65dSJohannes Berg int ie_len; 30677fdaa12SJohannes Berg /* must be last */ 307f679f65dSJohannes Berg u8 ie[0]; 30877fdaa12SJohannes Berg }; 30977fdaa12SJohannes Berg 31046900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 311ab1faeadSJohannes Berg enum ieee80211_sta_flags { 312b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 313b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 314b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 315b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 316b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 317b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 318ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 319375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 32017e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 321ab1faeadSJohannes Berg }; 322ab1faeadSJohannes Berg 32346900298SJohannes Berg struct ieee80211_if_managed { 324056cdd59SJohannes Berg struct timer_list timer; 325b291ba11SJohannes Berg struct timer_list conn_mon_timer; 326b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 327c481ec97SSujith struct timer_list chswitch_timer; 328056cdd59SJohannes Berg struct work_struct work; 329b291ba11SJohannes Berg struct work_struct monitor_work; 330c481ec97SSujith struct work_struct chswitch_work; 3311e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 33246900298SJohannes Berg 333b291ba11SJohannes Berg unsigned long probe_timeout; 334a43abf29SMaxim Levitsky int probe_send_count; 335b291ba11SJohannes Berg 33677fdaa12SJohannes Berg struct mutex mtx; 3370c1ad2caSJohannes Berg struct cfg80211_bss *associated; 33846900298SJohannes Berg 33977fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 34046900298SJohannes Berg 341f0706e82SJiri Benc u16 aid; 342f0706e82SJiri Benc 343056cdd59SJohannes Berg struct sk_buff_head skb_queue; 344056cdd59SJohannes Berg 3455bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 346965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 3470f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 3480f78231bSJohannes Berg ap_smps; /* smps mode AP thinks we're in */ 349965bedadSJohannes Berg 350d6f2da5bSJiri Slaby unsigned int flags; 351f0706e82SJiri Benc 352d91f36dbSJohannes Berg u32 beacon_crc; 353d91f36dbSJohannes Berg 354fdfacf0aSJouni Malinen enum { 355fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 356fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 357fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 358fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 359fdfacf0aSJouni Malinen 360f0706e82SJiri Benc int wmm_last_param_set; 3619bc383deSJohannes Berg 3629bc383deSJohannes Berg u8 use_4addr; 36317e4ec14SJouni Malinen 36417e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 36517e4ec14SJouni Malinen int last_beacon_signal; 36617e4ec14SJouni Malinen 36717e4ec14SJouni Malinen /* 36817e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 36917e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 37017e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 37117e4ec14SJouni Malinen * divided by 16 to get the actual value. 37217e4ec14SJouni Malinen */ 37317e4ec14SJouni Malinen int ave_beacon_signal; 37417e4ec14SJouni Malinen 37517e4ec14SJouni Malinen /* 37617e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 37717e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 37817e4ec14SJouni Malinen * generated for the current association. 37917e4ec14SJouni Malinen */ 38017e4ec14SJouni Malinen int last_cqm_event_signal; 381f0706e82SJiri Benc }; 382f0706e82SJiri Benc 38346900298SJohannes Berg enum ieee80211_ibss_request { 38446900298SJohannes Berg IEEE80211_IBSS_REQ_RUN = 0, 38546900298SJohannes Berg }; 38646900298SJohannes Berg 38746900298SJohannes Berg struct ieee80211_if_ibss { 38846900298SJohannes Berg struct timer_list timer; 38946900298SJohannes Berg struct work_struct work; 39046900298SJohannes Berg 39146900298SJohannes Berg struct sk_buff_head skb_queue; 39246900298SJohannes Berg 393af8cdcd8SJohannes Berg unsigned long request; 394af8cdcd8SJohannes Berg unsigned long last_scan_completed; 3955bb644a0SJohannes Berg 3965bb644a0SJohannes Berg bool timer_running; 3975bb644a0SJohannes Berg 398af8cdcd8SJohannes Berg bool fixed_bssid; 399af8cdcd8SJohannes Berg bool fixed_channel; 400fffd0934SJohannes Berg bool privacy; 40146900298SJohannes Berg 40246900298SJohannes Berg u8 bssid[ETH_ALEN]; 403af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 404af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 405af8cdcd8SJohannes Berg u8 *ie; 406af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 40746900298SJohannes Berg 40846900298SJohannes Berg unsigned long ibss_join_req; 409af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 410af8cdcd8SJohannes Berg struct sk_buff *presp, *skb; 41146900298SJohannes Berg 41246900298SJohannes Berg enum { 41346900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 41446900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 41546900298SJohannes Berg } state; 41646900298SJohannes Berg }; 41746900298SJohannes Berg 418472dbc45SJohannes Berg struct ieee80211_if_mesh { 419472dbc45SJohannes Berg struct work_struct work; 420472dbc45SJohannes Berg struct timer_list housekeeping_timer; 421472dbc45SJohannes Berg struct timer_list mesh_path_timer; 422e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 423472dbc45SJohannes Berg struct sk_buff_head skb_queue; 424472dbc45SJohannes Berg 4255bb644a0SJohannes Berg unsigned long timers_running; 4265bb644a0SJohannes Berg 42718889231SJavier Cardona unsigned long wrkq_flags; 428472dbc45SJohannes Berg 429472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 430472dbc45SJohannes Berg size_t mesh_id_len; 431472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 4323491707aSRui Paulo u8 mesh_pp_id; 433472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 4343491707aSRui Paulo u8 mesh_pm_id; 435472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 4363491707aSRui Paulo u8 mesh_cc_id; 4379e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 4383491707aSRui Paulo u8 mesh_sp_id; 4399e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 4403491707aSRui Paulo u8 mesh_auth_id; 441d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 442d19b3bf6SRui Paulo u32 sn; 443472dbc45SJohannes Berg /* Last used PREQ ID */ 444472dbc45SJohannes Berg u32 preq_id; 445472dbc45SJohannes Berg atomic_t mpaths; 446d19b3bf6SRui Paulo /* Timestamp of last SN update */ 447d19b3bf6SRui Paulo unsigned long last_sn_update; 448d19b3bf6SRui Paulo /* Timestamp of last SN sent */ 449472dbc45SJohannes Berg unsigned long last_preq; 450472dbc45SJohannes Berg struct mesh_rmc *rmc; 451472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 452472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 453472dbc45SJohannes Berg int preq_queue_len; 454472dbc45SJohannes Berg struct mesh_stats mshstats; 455472dbc45SJohannes Berg struct mesh_config mshcfg; 456472dbc45SJohannes Berg u32 mesh_seqnum; 457472dbc45SJohannes Berg bool accepting_plinks; 458472dbc45SJohannes Berg }; 459902acc78SJohannes Berg 460902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 461472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 462472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 463902acc78SJohannes Berg #else 464472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 465902acc78SJohannes Berg do { } while (0) 466902acc78SJohannes Berg #endif 467f0706e82SJiri Benc 468213cd118SJohannes Berg /** 469213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 470213cd118SJohannes Berg * 471213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 472213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 473213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 474213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 475213cd118SJohannes Berg * associated stations and deliver multicast frames both 476213cd118SJohannes Berg * back to wireless media and to the local net stack. 477213cd118SJohannes Berg */ 478213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 479213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 480213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 4817986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 4827986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 483213cd118SJohannes Berg }; 484213cd118SJohannes 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 498f0706e82SJiri Benc int drop_unencrypted; 499f0706e82SJiri Benc 50047846c9bSJohannes Berg char name[IFNAMSIZ]; 50147846c9bSJohannes Berg 502413ad50aSJohannes Berg /* 503413ad50aSJohannes Berg * keep track of whether the HT opmode (stored in 504413ad50aSJohannes Berg * vif.bss_info.ht_operation_mode) is valid. 505413ad50aSJohannes Berg */ 506413ad50aSJohannes Berg bool ht_opmode_valid; 507413ad50aSJohannes Berg 508f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 509f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 510f0706e82SJiri Benc unsigned int fragment_next; 511f0706e82SJiri Benc 512f0706e82SJiri Benc #define NUM_DEFAULT_KEYS 4 5133cfcf6acSJouni Malinen #define NUM_DEFAULT_MGMT_KEYS 2 5143cfcf6acSJouni Malinen struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 515f0706e82SJiri Benc struct ieee80211_key *default_key; 5163cfcf6acSJouni Malinen struct ieee80211_key *default_mgmt_key; 517f0706e82SJiri Benc 51894778280SJohannes Berg u16 sequence_number; 51994778280SJohannes Berg 5203e122be0SJohannes Berg /* 5213e122be0SJohannes Berg * AP this belongs to: self in AP mode and 5223e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 5233e122be0SJohannes Berg * all others (might be needed later in IBSS) 5243e122be0SJohannes Berg */ 5253e122be0SJohannes Berg struct ieee80211_if_ap *bss; 5263e122be0SJohannes Berg 52737eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 52837eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 529f0706e82SJiri Benc 530f0706e82SJiri Benc union { 531f0706e82SJiri Benc struct ieee80211_if_ap ap; 532f0706e82SJiri Benc struct ieee80211_if_wds wds; 533f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 53446900298SJohannes Berg struct ieee80211_if_managed mgd; 53546900298SJohannes Berg struct ieee80211_if_ibss ibss; 536472dbc45SJohannes Berg #ifdef CONFIG_MAC80211_MESH 537472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 538472dbc45SJohannes Berg #endif 5398cc9a739SMichael Wu u32 mntr_flags; 540f0706e82SJiri Benc } u; 541e9f207f0SJiri Benc 542e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 543e9f207f0SJiri Benc struct { 5447bcfaf2fSJohannes Berg struct dentry *dir; 5452b58b209SJouni Malinen struct dentry *default_key; 5463cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 5477bcfaf2fSJohannes Berg } debugfs; 548e9f207f0SJiri Benc #endif 54932bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 55032bfd35dSJohannes Berg struct ieee80211_vif vif; 551f0706e82SJiri Benc }; 552f0706e82SJiri Benc 55332bfd35dSJohannes Berg static inline 55432bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 55532bfd35dSJohannes Berg { 55632bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 55732bfd35dSJohannes Berg } 55832bfd35dSJohannes Berg 559472dbc45SJohannes Berg static inline void 560472dbc45SJohannes Berg ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, 561472dbc45SJohannes Berg u8 mesh_id_len, u8 *mesh_id) 562472dbc45SJohannes Berg { 563472dbc45SJohannes Berg #ifdef CONFIG_MAC80211_MESH 564472dbc45SJohannes Berg struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 565472dbc45SJohannes Berg ifmsh->mesh_id_len = mesh_id_len; 566472dbc45SJohannes Berg memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); 567472dbc45SJohannes Berg #else 568472dbc45SJohannes Berg WARN_ON(1); 569472dbc45SJohannes Berg #endif 570472dbc45SJohannes Berg } 571472dbc45SJohannes Berg 572f0706e82SJiri Benc enum { 573f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 574f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 575eadc8d9eSRon Rindjunsky IEEE80211_DELBA_MSG = 3, 576eadc8d9eSRon Rindjunsky IEEE80211_ADDBA_MSG = 4, 577f0706e82SJiri Benc }; 578f0706e82SJiri Benc 579ce7c9111SKalle Valo enum queue_stop_reason { 580ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 581520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 58296f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 58396f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 58425420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 5858f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 586ce7c9111SKalle Valo }; 587ce7c9111SKalle Valo 588142b9f50SHelmut Schaa /** 589142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 590142b9f50SHelmut Schaa * 591142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 592142b9f50SHelmut Schaa * well be on the operating channel 593142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 594142b9f50SHelmut Schaa * determine if we are on the operating channel or not 595142b9f50SHelmut Schaa * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning, 596142b9f50SHelmut Schaa * gets only set in conjunction with SCAN_SW_SCANNING 597142b9f50SHelmut Schaa */ 598fbe9c429SHelmut Schaa enum { 599fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 600142b9f50SHelmut Schaa SCAN_HW_SCANNING, 601142b9f50SHelmut Schaa SCAN_OFF_CHANNEL, 602142b9f50SHelmut Schaa }; 603142b9f50SHelmut Schaa 604142b9f50SHelmut Schaa /** 605142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 606142b9f50SHelmut Schaa * 607142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 608142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 609142b9f50SHelmut Schaa * operating channel 610142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 611142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 612142b9f50SHelmut Schaa * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP 613142b9f50SHelmut Schaa * about us leaving the channel and stop all associated STA interfaces 614142b9f50SHelmut Schaa * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the 615142b9f50SHelmut Schaa * AP about us being back and restart all associated STA interfaces 616142b9f50SHelmut Schaa */ 617142b9f50SHelmut Schaa enum mac80211_scan_state { 618142b9f50SHelmut Schaa SCAN_DECISION, 619142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 620142b9f50SHelmut Schaa SCAN_SEND_PROBE, 621142b9f50SHelmut Schaa SCAN_LEAVE_OPER_CHANNEL, 622142b9f50SHelmut Schaa SCAN_ENTER_OPER_CHANNEL, 623fbe9c429SHelmut Schaa }; 624fbe9c429SHelmut Schaa 625f0706e82SJiri Benc struct ieee80211_local { 626f0706e82SJiri Benc /* embed the driver visible part. 627f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 628f0706e82SJiri Benc * it first anyway so they become a no-op */ 629f0706e82SJiri Benc struct ieee80211_hw hw; 630f0706e82SJiri Benc 631f0706e82SJiri Benc const struct ieee80211_ops *ops; 632f0706e82SJiri Benc 63342935ecaSLuis R. Rodriguez /* 634af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 635af6b6374SJohannes Berg */ 636af6b6374SJohannes Berg struct mutex work_mtx; 637af6b6374SJohannes Berg struct list_head work_list; 638af6b6374SJohannes Berg struct timer_list work_timer; 639af6b6374SJohannes Berg struct work_struct work_work; 640af6b6374SJohannes Berg struct sk_buff_head work_skb_queue; 641af6b6374SJohannes Berg 642af6b6374SJohannes Berg /* 64342935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 64442935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 64542935ecaSLuis R. Rodriguez */ 64642935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 64742935ecaSLuis R. Rodriguez 648e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 64996f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 650ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 65196f5e66eSJohannes Berg 652f0706e82SJiri Benc int open_count; 6533d30d949SMichael Wu int monitors, cooked_mntrs; 6548cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 655e3b90ca2SIgor Perminov int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll; 6564150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 6573b8d81e0SJohannes Berg 6583b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 6593b8d81e0SJohannes Berg spinlock_t filter_lock; 6603b8d81e0SJohannes Berg 6613ac64beeSJohannes Berg /* used for uploading changed mc list */ 6623ac64beeSJohannes Berg struct work_struct reconfig_filter; 6633ac64beeSJohannes Berg 6640f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 6650f78231bSJohannes Berg struct work_struct recalc_smps; 6660f78231bSJohannes Berg 6673b8d81e0SJohannes Berg /* aggregated multicast list */ 6683b8d81e0SJohannes Berg struct dev_addr_list *mc_list; 6693b8d81e0SJohannes Berg int mc_count; 6703b8d81e0SJohannes Berg 671d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 6725bb644a0SJohannes Berg 6735bb644a0SJohannes Berg /* 6745bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 6755bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 6765bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 6775bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 6785bb644a0SJohannes Berg */ 6795bb644a0SJohannes Berg bool suspended; 6805bb644a0SJohannes Berg 6815bb644a0SJohannes Berg /* 682ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 683ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 684ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 685ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 686ceb99fe0SJohannes Berg */ 687ceb99fe0SJohannes Berg bool resuming; 688ceb99fe0SJohannes Berg 689ceb99fe0SJohannes Berg /* 6905bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 6915bb644a0SJohannes Berg * ease timer cancelling etc. 6925bb644a0SJohannes Berg */ 6935bb644a0SJohannes Berg bool quiescing; 6945bb644a0SJohannes Berg 695ea77f12fSJohannes Berg /* device is started */ 696ea77f12fSJohannes Berg bool started; 697ea77f12fSJohannes Berg 698b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 699f0706e82SJiri Benc 700f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 701f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 702f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 703f0706e82SJiri Benc * queues increases over the limit. */ 704f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 705f0706e82SJiri Benc struct tasklet_struct tasklet; 706f0706e82SJiri Benc struct sk_buff_head skb_queue; 707f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 708f0706e82SJiri Benc 709d0709a65SJohannes Berg /* Station data */ 710d0709a65SJohannes Berg /* 71134e89507SJohannes Berg * The mutex only protects the list and counter, 71234e89507SJohannes Berg * reads are done in RCU. 71334e89507SJohannes Berg * Additionally, the lock protects the hash table, 71434e89507SJohannes Berg * the pending list and each BSS's TIM bitmap. 715d0709a65SJohannes Berg */ 71634e89507SJohannes Berg struct mutex sta_mtx; 717d0709a65SJohannes Berg spinlock_t sta_lock; 718d0709a65SJohannes Berg unsigned long num_sta; 71934e89507SJohannes Berg struct list_head sta_list, sta_pending_list; 720f0706e82SJiri Benc struct sta_info *sta_hash[STA_HASH_SIZE]; 721f0706e82SJiri Benc struct timer_list sta_cleanup; 72234e89507SJohannes Berg struct work_struct sta_finish_work; 723f5ea9120SJohannes Berg int sta_generation; 724f0706e82SJiri Benc 7252a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 726f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 727f0706e82SJiri Benc 728cd8ffc80SJohannes Berg /* 729cd8ffc80SJohannes Berg * This lock is used to prevent concurrent A-MPDU 730cd8ffc80SJohannes Berg * session start/stop processing, this thus also 731cd8ffc80SJohannes Berg * synchronises the ->ampdu_action() callback to 732cd8ffc80SJohannes Berg * drivers and limits it to one at a time. 733cd8ffc80SJohannes Berg */ 734cd8ffc80SJohannes Berg spinlock_t ampdu_lock; 735cd8ffc80SJohannes Berg 736f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 73753918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 738f0706e82SJiri Benc 739f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 740f0706e82SJiri Benc 741f0706e82SJiri Benc struct crypto_blkcipher *wep_tx_tfm; 742f0706e82SJiri Benc struct crypto_blkcipher *wep_rx_tfm; 743f0706e82SJiri Benc u32 wep_iv; 744f0706e82SJiri Benc 745c771c9d8SJohannes Berg /* see iface.c */ 74679010420SJohannes Berg struct list_head interfaces; 747c771c9d8SJohannes Berg struct mutex iflist_mtx; 74879010420SJohannes Berg 749b16bd15cSJohannes Berg /* 750b16bd15cSJohannes Berg * Key lock, protects sdata's key_list and sta_info's 751b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 752b16bd15cSJohannes Berg */ 753b16bd15cSJohannes Berg spinlock_t key_lock; 754b16bd15cSJohannes Berg 755b16bd15cSJohannes Berg 756c2b13452SJohannes Berg /* Scanning and BSS list */ 757f3b85252SJohannes Berg struct mutex scan_mtx; 758fbe9c429SHelmut Schaa unsigned long scanning; 7592a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 7605ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 7614d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 7622a519311SJohannes Berg struct ieee80211_channel *scan_channel; 7634d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 764f0706e82SJiri Benc int scan_channel_idx; 765de95a54bSJohannes Berg int scan_ies_len; 7668318d78aSJohannes Berg 767df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 768977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 769f0706e82SJiri Benc struct delayed_work scan_work; 770491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 7710aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 7722a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 773f0706e82SJiri Benc 774b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 775b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 776b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 777b8bc4b0aSJohannes Berg 778f0706e82SJiri Benc /* SNMP counters */ 779f0706e82SJiri Benc /* dot11CountersTable */ 780f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 781f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 782f0706e82SJiri Benc u32 dot11FailedCount; 783f0706e82SJiri Benc u32 dot11RetryCount; 784f0706e82SJiri Benc u32 dot11MultipleRetryCount; 785f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 786f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 787f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 788f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 789f0706e82SJiri Benc 790f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 791f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 792cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 793cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 794cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 795f0706e82SJiri Benc #endif 796f0706e82SJiri Benc 797f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 798f0706e82SJiri Benc /* TX/RX handler statistics */ 799f0706e82SJiri Benc unsigned int tx_handlers_drop; 800f0706e82SJiri Benc unsigned int tx_handlers_queued; 801f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 802f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 803f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 804f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 805f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 806f0706e82SJiri Benc unsigned int rx_handlers_drop; 807f0706e82SJiri Benc unsigned int rx_handlers_queued; 808f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 809f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 810f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 811f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 812f0706e82SJiri Benc unsigned int tx_expand_skb_head; 813f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 814f0706e82SJiri Benc unsigned int rx_expand_skb_head; 815f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 816f0706e82SJiri Benc unsigned int rx_handlers_fragments; 817f0706e82SJiri Benc unsigned int tx_status_drop; 818f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 819f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 820f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 821f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 822f0706e82SJiri Benc 823f0706e82SJiri Benc 824f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 825f0706e82SJiri Benc * multicast packets for power saving stations 826f0706e82SJiri Benc */ 827f0706e82SJiri Benc int wifi_wme_noack_test; 828f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 829520eb820SKalle Valo 83050ae0cf1SKalle Valo /* 83150ae0cf1SKalle Valo * Bitmask of enabled u-apsd queues, 83250ae0cf1SKalle Valo * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 83350ae0cf1SKalle Valo * to take effect. 83450ae0cf1SKalle Valo */ 83550ae0cf1SKalle Valo unsigned int uapsd_queues; 83650ae0cf1SKalle Valo 83750ae0cf1SKalle Valo /* 83850ae0cf1SKalle Valo * Maximum number of buffered frames AP can deliver during a 83950ae0cf1SKalle Valo * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 84050ae0cf1SKalle Valo * Needs a new association to take effect. 84150ae0cf1SKalle Valo */ 84250ae0cf1SKalle Valo unsigned int uapsd_max_sp_len; 84350ae0cf1SKalle Valo 844572e0012SKalle Valo bool pspolling; 845b203ffc3SJouni Malinen bool offchannel_ps_enabled; 846965bedadSJohannes Berg /* 847965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 848965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 849965bedadSJohannes Berg */ 850965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 851520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 852520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 853520eb820SKalle Valo struct timer_list dynamic_ps_timer; 85410f644a4SJohannes Berg struct notifier_block network_latency_notifier; 855f0706e82SJiri Benc 8562bf30fabSJohannes Berg int user_power_level; /* in dBm */ 857a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 8582bf30fabSJohannes Berg 8590f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 8600f78231bSJohannes Berg 861f2753ddbSJohannes Berg struct work_struct restart_work; 862f2753ddbSJohannes Berg 863e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 864e9f207f0SJiri Benc struct local_debugfsdentries { 8654b7679a5SJohannes Berg struct dentry *rcdir; 866e9f207f0SJiri Benc struct dentry *stations; 867e9f207f0SJiri Benc struct dentry *keys; 868e9f207f0SJiri Benc } debugfs; 869e9f207f0SJiri Benc #endif 870f0706e82SJiri Benc }; 871f0706e82SJiri Benc 8723e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 8733e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 8743e122be0SJohannes Berg { 8753e122be0SJohannes Berg return netdev_priv(dev); 8763e122be0SJohannes Berg } 8773e122be0SJohannes Berg 878c951ad35SJohannes Berg /* this struct represents 802.11n's RA/TID combination along with our vif */ 879eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 880c951ad35SJohannes Berg struct ieee80211_vif *vif; 881eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 882eadc8d9eSRon Rindjunsky u16 tid; 883eadc8d9eSRon Rindjunsky }; 884eadc8d9eSRon Rindjunsky 885ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 886ee385855SLuis Carlos Cobo struct ieee802_11_elems { 88743ac2ca3SJouni Malinen u8 *ie_start; 88843ac2ca3SJouni Malinen size_t total_len; 88943ac2ca3SJouni Malinen 890ee385855SLuis Carlos Cobo /* pointers to IEs */ 891ee385855SLuis Carlos Cobo u8 *ssid; 892ee385855SLuis Carlos Cobo u8 *supp_rates; 893ee385855SLuis Carlos Cobo u8 *fh_params; 894ee385855SLuis Carlos Cobo u8 *ds_params; 895ee385855SLuis Carlos Cobo u8 *cf_params; 896e7ec86f5SJohannes Berg struct ieee80211_tim_ie *tim; 897ee385855SLuis Carlos Cobo u8 *ibss_params; 898ee385855SLuis Carlos Cobo u8 *challenge; 899ee385855SLuis Carlos Cobo u8 *wpa; 900ee385855SLuis Carlos Cobo u8 *rsn; 901ee385855SLuis Carlos Cobo u8 *erp_info; 902ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 903ee385855SLuis Carlos Cobo u8 *wmm_info; 904ee385855SLuis Carlos Cobo u8 *wmm_param; 90509914813SJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 906d9fe60deSJohannes Berg struct ieee80211_ht_info *ht_info_elem; 907136cfa28SRui Paulo struct ieee80211_meshconf_ie *mesh_config; 908ee385855SLuis Carlos Cobo u8 *mesh_id; 909ee385855SLuis Carlos Cobo u8 *peer_link; 910ee385855SLuis Carlos Cobo u8 *preq; 911ee385855SLuis Carlos Cobo u8 *prep; 912ee385855SLuis Carlos Cobo u8 *perr; 91390a5e169SRui Paulo struct ieee80211_rann_ie *rann; 914f2df3859SAssaf Krauss u8 *ch_switch_elem; 915f2df3859SAssaf Krauss u8 *country_elem; 916f2df3859SAssaf Krauss u8 *pwr_constr_elem; 917f2df3859SAssaf Krauss u8 *quiet_elem; /* first quite element */ 918f797eb7eSJouni Malinen u8 *timeout_int; 919ee385855SLuis Carlos Cobo 920ee385855SLuis Carlos Cobo /* length of them, respectively */ 921ee385855SLuis Carlos Cobo u8 ssid_len; 922ee385855SLuis Carlos Cobo u8 supp_rates_len; 923ee385855SLuis Carlos Cobo u8 fh_params_len; 924ee385855SLuis Carlos Cobo u8 ds_params_len; 925ee385855SLuis Carlos Cobo u8 cf_params_len; 926ee385855SLuis Carlos Cobo u8 tim_len; 927ee385855SLuis Carlos Cobo u8 ibss_params_len; 928ee385855SLuis Carlos Cobo u8 challenge_len; 929ee385855SLuis Carlos Cobo u8 wpa_len; 930ee385855SLuis Carlos Cobo u8 rsn_len; 931ee385855SLuis Carlos Cobo u8 erp_info_len; 932ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 933ee385855SLuis Carlos Cobo u8 wmm_info_len; 934ee385855SLuis Carlos Cobo u8 wmm_param_len; 935ee385855SLuis Carlos Cobo u8 mesh_id_len; 936ee385855SLuis Carlos Cobo u8 peer_link_len; 937ee385855SLuis Carlos Cobo u8 preq_len; 938ee385855SLuis Carlos Cobo u8 prep_len; 939ee385855SLuis Carlos Cobo u8 perr_len; 940f2df3859SAssaf Krauss u8 ch_switch_elem_len; 941f2df3859SAssaf Krauss u8 country_elem_len; 942f2df3859SAssaf Krauss u8 pwr_constr_elem_len; 943f2df3859SAssaf Krauss u8 quiet_elem_len; 944f2df3859SAssaf Krauss u8 num_of_quiet_elem; /* can be more the one */ 945f797eb7eSJouni Malinen u8 timeout_int_len; 946ee385855SLuis Carlos Cobo }; 947ee385855SLuis Carlos Cobo 948f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 949f0706e82SJiri Benc struct ieee80211_hw *hw) 950f0706e82SJiri Benc { 951f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 952f0706e82SJiri Benc } 953f0706e82SJiri Benc 954f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 955f0706e82SJiri Benc struct ieee80211_local *local) 956f0706e82SJiri Benc { 957f0706e82SJiri Benc return &local->hw; 958f0706e82SJiri Benc } 959f0706e82SJiri Benc 960f0706e82SJiri Benc 961571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 962571ecf67SJohannes Berg { 963571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 964571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 965571ecf67SJohannes Berg } 966571ecf67SJohannes Berg 967571ecf67SJohannes Berg 968e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 9695cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 9709c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 9719c6bd790SJohannes Berg u32 changed); 9720d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 97346900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 974f0706e82SJiri Benc 975f38fd12fSJohannes Berg extern bool ieee80211_disable_40mhz_24ghz; 976f38fd12fSJohannes Berg 97746900298SJohannes Berg /* STA code */ 9789c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 97977fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 98077fdaa12SJohannes Berg struct cfg80211_auth_request *req); 98177fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 98277fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 98377fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 984667503ddSJohannes Berg struct cfg80211_deauth_request *req, 985667503ddSJohannes Berg void *cookie); 98677fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 987667503ddSJohannes Berg struct cfg80211_disassoc_request *req, 988667503ddSJohannes Berg void *cookie); 989026331c4SJouni Malinen int ieee80211_mgd_action(struct ieee80211_sub_if_data *sdata, 990026331c4SJouni Malinen struct ieee80211_channel *chan, 991026331c4SJouni Malinen enum nl80211_channel_type channel_type, 992026331c4SJouni Malinen const u8 *buf, size_t len, u64 *cookie); 99346900298SJohannes Berg ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, 994f1d58c25SJohannes Berg struct sk_buff *skb); 995572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 996572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 99710f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 99810f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 99910f644a4SJohannes Berg unsigned long data, void *dummy); 1000cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1001cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 10025ce6e438SJohannes Berg struct ieee80211_bss *bss, 10035ce6e438SJohannes Berg u64 timestamp); 10045bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 10055bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 10069c6bd790SJohannes Berg 100746900298SJohannes Berg /* IBSS code */ 100846900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 100946900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 101046900298SJohannes Berg ieee80211_rx_result 1011f1d58c25SJohannes Berg ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 101246900298SJohannes Berg struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, 101334e89507SJohannes Berg u8 *bssid, u8 *addr, u32 supp_rates, 101434e89507SJohannes Berg gfp_t gfp); 1015af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1016af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1017af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 10185bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 10195bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 102046900298SJohannes Berg 10219c6bd790SJohannes Berg /* scan/BSS handling */ 102246900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1023f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1024be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1025be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1026c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 10272a519311SJohannes Berg struct cfg80211_scan_request *req); 10285bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1029c2b13452SJohannes Berg ieee80211_rx_result 1030f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 10319c6bd790SJohannes Berg 10320a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1033c2b13452SJohannes Berg struct ieee80211_bss * 103498c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 103598c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 103698c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 103798c8fccfSJohannes Berg size_t len, 103898c8fccfSJohannes Berg struct ieee802_11_elems *elems, 10392a519311SJohannes Berg struct ieee80211_channel *channel, 10402a519311SJohannes Berg bool beacon); 1041c2b13452SJohannes Berg struct ieee80211_bss * 10425484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 10435484e237SJohannes Berg u8 *ssid, u8 ssid_len); 104498c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1045c2b13452SJohannes Berg struct ieee80211_bss *bss); 1046ee385855SLuis Carlos Cobo 1047b203ffc3SJouni Malinen /* off-channel helpers */ 1048b203ffc3SJouni Malinen void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local); 1049b203ffc3SJouni Malinen void ieee80211_offchannel_stop_station(struct ieee80211_local *local); 1050b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1051b203ffc3SJouni Malinen bool enable_beaconing); 1052b203ffc3SJouni Malinen 10533e122be0SJohannes Berg /* interface handling */ 105447846c9bSJohannes Berg int ieee80211_iface_init(void); 105547846c9bSJohannes Berg void ieee80211_iface_exit(void); 10563e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 105705c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1058ee385855SLuis Carlos Cobo struct vif_params *params); 1059f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 106005c914feSJohannes Berg enum nl80211_iftype type); 1061f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 106275636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 10635cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 10645cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 1065f0706e82SJiri Benc 10669607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 10679607e6b6SJohannes Berg { 10689607e6b6SJohannes Berg return netif_running(sdata->dev); 10699607e6b6SJohannes Berg } 10709607e6b6SJohannes Berg 1071e2ebc74dSJohannes Berg /* tx handling */ 1072e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1073e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1074d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1075d0cf9c0dSStephen Hemminger struct net_device *dev); 1076d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1077d0cf9c0dSStephen Hemminger struct net_device *dev); 1078e2ebc74dSJohannes Berg 1079fe7a5d5cSJohannes Berg /* 1080fe7a5d5cSJohannes Berg * radiotap header for status frames 1081fe7a5d5cSJohannes Berg */ 1082fe7a5d5cSJohannes Berg struct ieee80211_tx_status_rtap_hdr { 1083fe7a5d5cSJohannes Berg struct ieee80211_radiotap_header hdr; 1084fe7a5d5cSJohannes Berg u8 rate; 1085fe7a5d5cSJohannes Berg u8 padding_for_rate; 1086fe7a5d5cSJohannes Berg __le16 tx_flags; 1087fe7a5d5cSJohannes Berg u8 data_retries; 1088fe7a5d5cSJohannes Berg } __attribute__ ((packed)); 1089fe7a5d5cSJohannes Berg 1090fe7a5d5cSJohannes Berg 1091de1ede7aSJohannes Berg /* HT */ 1092ae5eb026SJohannes Berg void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, 1093ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1094d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1095de1ede7aSJohannes Berg void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); 1096b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1097b8695a8fSJohannes Berg const u8 *da, u16 tid, 1098b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 10990f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 11000f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 11010f78231bSJohannes Berg const u8 *bssid); 1102de1ede7aSJohannes Berg 1103849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 1104849b7967SJohannes Berg u16 initiator, u16 reason); 11052dace10eSJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); 1106de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1107de1ede7aSJohannes Berg struct sta_info *sta, 1108de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1109de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1110de1ede7aSJohannes Berg struct sta_info *sta, 1111de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1112de1ede7aSJohannes Berg size_t len); 1113de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1114de1ede7aSJohannes Berg struct sta_info *sta, 1115de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1116de1ede7aSJohannes Berg size_t len); 1117de1ede7aSJohannes Berg 1118849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1119849b7967SJohannes Berg enum ieee80211_back_parties initiator); 1120827d42c9SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 1121827d42c9SJohannes Berg enum ieee80211_back_parties initiator); 1122849b7967SJohannes Berg 112339192c0bSJohannes Berg /* Spectrum management */ 112439192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 112539192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 112639192c0bSJohannes Berg size_t len); 112739192c0bSJohannes Berg 1128f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1129f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 113084f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1131f2753ddbSJohannes Berg 1132827b1fb4SJohannes Berg #ifdef CONFIG_PM 1133665af4fcSBob Copeland int __ieee80211_suspend(struct ieee80211_hw *hw); 1134f2753ddbSJohannes Berg 1135f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1136f2753ddbSJohannes Berg { 1137f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1138f2753ddbSJohannes Berg } 1139827b1fb4SJohannes Berg #else 1140827b1fb4SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw) 1141827b1fb4SJohannes Berg { 1142827b1fb4SJohannes Berg return 0; 1143827b1fb4SJohannes Berg } 1144f2753ddbSJohannes Berg 1145827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1146827b1fb4SJohannes Berg { 1147827b1fb4SJohannes Berg return 0; 1148827b1fb4SJohannes Berg } 1149827b1fb4SJohannes Berg #endif 1150665af4fcSBob Copeland 1151c2d1560aSJohannes Berg /* utility functions/constants */ 1152c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 115371364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 115405c914feSJohannes Berg enum nl80211_iftype type); 1155c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1156c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1157f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1158e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1159e6d6e342SJohannes Berg gfp_t gfp); 11605825fe10SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); 116162ae67beSJohannes Berg void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 11629c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 11639c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1164d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1165d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1166d91f36dbSJohannes Berg u64 filter, u32 crc); 1167881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 116896dd22acSJohannes Berg enum ieee80211_band band); 1169f0706e82SJiri Benc 1170520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1171520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1172520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1173a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1174a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1175a97b77b9SVivek Natarajan int powersave); 11763cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 11773cf335d5SKalle Valo struct ieee80211_hdr *hdr); 11781e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1179520eb820SKalle Valo 1180ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1181ce7c9111SKalle Valo enum queue_stop_reason reason); 1182ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1183ce7c9111SKalle Valo enum queue_stop_reason reason); 118496f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 118596f5e66eSJohannes Berg enum queue_stop_reason reason); 118696f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 118796f5e66eSJohannes Berg enum queue_stop_reason reason); 11888f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 11898f77f384SJohannes Berg struct sk_buff *skb); 11908f77f384SJohannes Berg int ieee80211_add_pending_skbs(struct ieee80211_local *local, 11918f77f384SJohannes Berg struct sk_buff_head *skbs); 1192ce7c9111SKalle Valo 119346900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 119446900298SJohannes Berg u16 transaction, u16 auth_alg, 1195fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1196fffd0934SJohannes Berg const u8 *key, u8 key_len, u8 key_idx); 1197de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 11984d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 11994d36ec58SJohannes Berg enum ieee80211_band band); 120046900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1201de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1202de95a54bSJohannes Berg const u8 *ie, size_t ie_len); 120346900298SJohannes Berg 120446900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 120546900298SJohannes Berg const size_t supp_rates_len, 120646900298SJohannes Berg const u8 *supp_rates); 120746900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 120846900298SJohannes Berg struct ieee802_11_elems *elems, 120946900298SJohannes Berg enum ieee80211_band band); 12100f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 12110f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 12120f78231bSJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local, 12130f78231bSJohannes Berg struct ieee80211_sub_if_data *forsdata); 121446900298SJohannes Berg 12158e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 12168e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 12178e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 12188e664fb3SJohannes Berg 1219af6b6374SJohannes Berg /* internal work items */ 1220af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1221af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1222af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1223af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1224af6b6374SJohannes Berg ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, 1225af6b6374SJohannes Berg struct sk_buff *skb); 1226b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1227b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1228b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1229b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1230b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1231b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1232af6b6374SJohannes Berg 1233f444de05SJohannes Berg /* channel management */ 1234f444de05SJohannes Berg enum ieee80211_chan_mode { 1235f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1236f444de05SJohannes Berg CHAN_MODE_HOPPING, 1237f444de05SJohannes Berg CHAN_MODE_FIXED, 1238f444de05SJohannes Berg }; 1239f444de05SJohannes Berg 1240f444de05SJohannes Berg enum ieee80211_chan_mode 1241f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1242f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 12430aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 12440aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 12450aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 1246f444de05SJohannes Berg 1247f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1248d9e8a70fSJohannes Berg #define debug_noinline noinline 1249d9e8a70fSJohannes Berg #else 1250d9e8a70fSJohannes Berg #define debug_noinline 1251d9e8a70fSJohannes Berg #endif 1252d9e8a70fSJohannes Berg 1253f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1254