1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 6f0706e82SJiri Benc * 7f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 8f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 9f0706e82SJiri Benc * published by the Free Software Foundation. 10f0706e82SJiri Benc */ 11f0706e82SJiri Benc 12f0706e82SJiri Benc #ifndef IEEE80211_I_H 13f0706e82SJiri Benc #define IEEE80211_I_H 14f0706e82SJiri Benc 15f0706e82SJiri Benc #include <linux/kernel.h> 16f0706e82SJiri Benc #include <linux/device.h> 17f0706e82SJiri Benc #include <linux/if_ether.h> 18f0706e82SJiri Benc #include <linux/interrupt.h> 19f0706e82SJiri Benc #include <linux/list.h> 20f0706e82SJiri Benc #include <linux/netdevice.h> 21f0706e82SJiri Benc #include <linux/skbuff.h> 22f0706e82SJiri Benc #include <linux/workqueue.h> 23f0706e82SJiri Benc #include <linux/types.h> 24f0706e82SJiri Benc #include <linux/spinlock.h> 25571ecf67SJohannes Berg #include <linux/etherdevice.h> 26e1e54068SJohannes Berg #include <linux/leds.h> 27a729cff8SJohannes Berg #include <linux/idr.h> 28fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2993da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3051cb6db0SDavid S. Miller #include <net/mac80211.h> 312c8dccc7SJohannes Berg #include "key.h" 32f0706e82SJiri Benc #include "sta_info.h" 33f0706e82SJiri Benc 349cfb0009SJohannes Berg struct ieee80211_local; 35f0706e82SJiri Benc 36f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 37f0706e82SJiri Benc * associated stations are using power saving. */ 38f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 39f0706e82SJiri Benc 40f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 41f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 42f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 43f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 44f0706e82SJiri Benc 45f0706e82SJiri Benc /* Required encryption head and tailroom */ 46f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 47765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 48f0706e82SJiri Benc 49f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 50f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 51f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 52f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 53f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 54f0706e82SJiri Benc 5520ad19d0SJohannes Berg #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) 5620ad19d0SJohannes Berg 57ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 58ab13315aSKalle Valo (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ 59ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ 60ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ 61ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 62ab13315aSKalle Valo 63ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 64ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 65ab13315aSKalle Valo 66f0706e82SJiri Benc struct ieee80211_fragment_entry { 67f0706e82SJiri Benc unsigned long first_frag_time; 68f0706e82SJiri Benc unsigned int seq; 69f0706e82SJiri Benc unsigned int rx_queue; 70f0706e82SJiri Benc unsigned int last_frag; 71f0706e82SJiri Benc unsigned int extra_len; 72f0706e82SJiri Benc struct sk_buff_head skb_list; 73f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 74f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 75f0706e82SJiri Benc }; 76f0706e82SJiri Benc 77f0706e82SJiri Benc 78c2b13452SJohannes Berg struct ieee80211_bss { 7900d3f14cSJohannes Berg /* don't want to look up all the time */ 80056cdd59SJohannes Berg size_t ssid_len; 81f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 8200d3f14cSJohannes Berg 8398f7dfd8SEmmanuel Grumbach u8 dtim_period; 8400d3f14cSJohannes Berg 8543ac2ca3SJouni Malinen bool wmm_used; 86ab13315aSKalle Valo bool uapsd_supported; 8700d3f14cSJohannes Berg 8800d3f14cSJohannes Berg unsigned long last_probe_resp; 8900d3f14cSJohannes Berg 90ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 91ee385855SLuis Carlos Cobo u8 *mesh_id; 92ee385855SLuis Carlos Cobo size_t mesh_id_len; 9324736701SJohn W. Linville u8 *mesh_cfg; 94902acc78SJohannes Berg #endif 9500d3f14cSJohannes Berg 96f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 97f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 98f0706e82SJiri Benc size_t supp_rates_len; 99f0706e82SJiri Benc 10000d3f14cSJohannes Berg /* 10125985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1025628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1035628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10400d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10500d3f14cSJohannes Berg */ 10600d3f14cSJohannes Berg bool has_erp_value; 1075628221cSDaniel Drake u8 erp_value; 108f0706e82SJiri Benc }; 109f0706e82SJiri Benc 110c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 111902acc78SJohannes Berg { 112902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 113902acc78SJohannes Berg return bss->mesh_cfg; 114902acc78SJohannes Berg #endif 115902acc78SJohannes Berg return NULL; 116902acc78SJohannes Berg } 117902acc78SJohannes Berg 118c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 119902acc78SJohannes Berg { 120902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 121902acc78SJohannes Berg return bss->mesh_id; 122902acc78SJohannes Berg #endif 123902acc78SJohannes Berg return NULL; 124902acc78SJohannes Berg } 125902acc78SJohannes Berg 126c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 127902acc78SJohannes Berg { 128902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 129902acc78SJohannes Berg return bss->mesh_id_len; 130902acc78SJohannes Berg #endif 131902acc78SJohannes Berg return 0; 132902acc78SJohannes Berg } 133902acc78SJohannes Berg 134f0706e82SJiri Benc 1359ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1369ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1379ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1389ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1399ae54c84SJohannes Berg 1405cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1415cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1429ae54c84SJohannes Berg 1435cf121c3SJohannes Berg struct ieee80211_tx_data { 144f0706e82SJiri Benc struct sk_buff *skb; 145252b86c4SJohannes Berg struct sk_buff_head skbs; 146f0706e82SJiri Benc struct ieee80211_local *local; 147f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 148f0706e82SJiri Benc struct sta_info *sta; 149f0706e82SJiri Benc struct ieee80211_key *key; 1505cf121c3SJohannes Berg 1518318d78aSJohannes Berg struct ieee80211_channel *channel; 152f0706e82SJiri Benc 153056cdd59SJohannes Berg unsigned int flags; 1545cf121c3SJohannes Berg }; 1555cf121c3SJohannes Berg 1565cf121c3SJohannes Berg 1575cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1585cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1595cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1605cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1615cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1625cf121c3SJohannes Berg 163554891e6SJohannes Berg /** 164554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 165554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 166554891e6SJohannes Berg * (incl. multicast frames) 167554891e6SJohannes Berg * @IEEE80211_RX_IN_SCAN: received while scanning 168554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 169554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 170554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 1714cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 172554891e6SJohannes Berg * 173554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 174554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 175554891e6SJohannes Berg */ 176554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 177554891e6SJohannes Berg IEEE80211_RX_IN_SCAN = BIT(0), 178554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 179554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 180554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 181554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 1824cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 183554891e6SJohannes Berg }; 184554891e6SJohannes Berg 185554891e6SJohannes Berg /** 186554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 187554891e6SJohannes Berg * 188554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 189ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 190ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 191554891e6SJohannes Berg * 192554891e6SJohannes Berg * These flags are used across handling multiple interfaces 193554891e6SJohannes Berg * for a single frame. 194554891e6SJohannes Berg */ 195554891e6SJohannes Berg enum ieee80211_rx_flags { 196554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 197ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 198554891e6SJohannes Berg }; 1995cf121c3SJohannes Berg 2005cf121c3SJohannes Berg struct ieee80211_rx_data { 2015cf121c3SJohannes Berg struct sk_buff *skb; 2025cf121c3SJohannes Berg struct ieee80211_local *local; 2035cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2045cf121c3SJohannes Berg struct sta_info *sta; 2055cf121c3SJohannes Berg struct ieee80211_key *key; 206056cdd59SJohannes Berg 207056cdd59SJohannes Berg unsigned int flags; 2089e26297aSJohannes Berg 2099e26297aSJohannes Berg /* 2109e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2119e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2129e26297aSJohannes Berg * will be 16 on non-QoS frames. 2139e26297aSJohannes Berg */ 2149e26297aSJohannes Berg int seqno_idx; 2159e26297aSJohannes Berg 2169e26297aSJohannes Berg /* 2179e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2189e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2199e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2209e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2219e26297aSJohannes Berg */ 2229e26297aSJohannes Berg int security_idx; 2239e26297aSJohannes Berg 22450741ae0SJohannes Berg u32 tkip_iv32; 22550741ae0SJohannes Berg u16 tkip_iv16; 226f0706e82SJiri Benc }; 227f0706e82SJiri Benc 2285dfdaf58SJohannes Berg struct beacon_data { 2295dfdaf58SJohannes Berg u8 *head, *tail; 2305dfdaf58SJohannes Berg int head_len, tail_len; 2315dfdaf58SJohannes Berg int dtim_period; 2325dfdaf58SJohannes Berg }; 2335dfdaf58SJohannes Berg 234f0706e82SJiri Benc struct ieee80211_if_ap { 23540b275b6SJohannes Berg struct beacon_data __rcu *beacon; 23602945821SArik Nemtsov struct sk_buff __rcu *probe_resp; 237f0706e82SJiri Benc 2380ec3ca44SJohannes Berg struct list_head vlans; 2390ec3ca44SJohannes Berg 240f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 241f0706e82SJiri Benc * bitmap_empty :) 242004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 243f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 244f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 245056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 24629623892SJohannes Berg atomic_t num_sta_authorized; /* number of authorized stations */ 2475dfdaf58SJohannes Berg int dtim_count; 248512119b3SChristian Lamparter bool dtim_bc_mc; 249f0706e82SJiri Benc }; 250f0706e82SJiri Benc 251f0706e82SJiri Benc struct ieee80211_if_wds { 252f0706e82SJiri Benc struct sta_info *sta; 253056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 254f0706e82SJiri Benc }; 255f0706e82SJiri Benc 256f0706e82SJiri Benc struct ieee80211_if_vlan { 2570ec3ca44SJohannes Berg struct list_head list; 258f14543eeSFelix Fietkau 259f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 26040b275b6SJohannes Berg struct sta_info __rcu *sta; 261f0706e82SJiri Benc }; 262f0706e82SJiri Benc 263ee385855SLuis Carlos Cobo struct mesh_stats { 264c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 265c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 266c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 267ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 268ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 269cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 270ee385855SLuis Carlos Cobo atomic_t estab_plinks; 271ee385855SLuis Carlos Cobo }; 272ee385855SLuis Carlos Cobo 273ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 274ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 275ee385855SLuis Carlos Cobo struct mesh_preq_queue { 276ee385855SLuis Carlos Cobo struct list_head list; 277ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 278ee385855SLuis Carlos Cobo u8 flags; 279ee385855SLuis Carlos Cobo }; 280ee385855SLuis Carlos Cobo 281f679f65dSJohannes Berg enum ieee80211_work_type { 282b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 283af6b6374SJohannes Berg IEEE80211_WORK_DIRECT_PROBE, 284f679f65dSJohannes Berg IEEE80211_WORK_AUTH, 285e5b900d2SJohannes Berg IEEE80211_WORK_ASSOC_BEACON_WAIT, 286f679f65dSJohannes Berg IEEE80211_WORK_ASSOC, 287b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 288f30221e4SJohannes Berg IEEE80211_WORK_OFFCHANNEL_TX, 28977fdaa12SJohannes Berg }; 29077fdaa12SJohannes Berg 291af6b6374SJohannes Berg /** 292af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 293af6b6374SJohannes Berg * 294af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 295af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 296af6b6374SJohannes Berg * should be requeued. 297af6b6374SJohannes Berg */ 298af6b6374SJohannes Berg enum work_done_result { 299af6b6374SJohannes Berg WORK_DONE_DESTROY, 300af6b6374SJohannes Berg WORK_DONE_REQUEUE, 301af6b6374SJohannes Berg }; 302af6b6374SJohannes Berg 303f679f65dSJohannes Berg struct ieee80211_work { 30477fdaa12SJohannes Berg struct list_head list; 305f679f65dSJohannes Berg 306af6b6374SJohannes Berg struct rcu_head rcu_head; 307af6b6374SJohannes Berg 308af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 309af6b6374SJohannes Berg 310af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 311af6b6374SJohannes Berg struct sk_buff *skb); 312af6b6374SJohannes Berg 313f679f65dSJohannes Berg struct ieee80211_channel *chan; 314e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 315af6b6374SJohannes Berg 316f679f65dSJohannes Berg unsigned long timeout; 317f679f65dSJohannes Berg enum ieee80211_work_type type; 318f679f65dSJohannes Berg 319af6b6374SJohannes Berg u8 filter_ta[ETH_ALEN]; 320af6b6374SJohannes Berg 321e4da8c37SJohannes Berg bool started; 322e4da8c37SJohannes Berg 323f679f65dSJohannes Berg union { 324f679f65dSJohannes Berg struct { 325f679f65dSJohannes Berg int tries; 326f679f65dSJohannes Berg u16 algorithm, transaction; 32777fdaa12SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 32877fdaa12SJohannes Berg u8 ssid_len; 329fffd0934SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 330fffd0934SJohannes Berg u8 key_len, key_idx; 331f679f65dSJohannes Berg bool privacy; 332b2abb6e2SJohannes Berg bool synced; 333af6b6374SJohannes Berg } probe_auth; 334f679f65dSJohannes Berg struct { 3350c1ad2caSJohannes Berg struct cfg80211_bss *bss; 336f679f65dSJohannes Berg const u8 *supp_rates; 337f679f65dSJohannes Berg const u8 *ht_information_ie; 338af6b6374SJohannes Berg enum ieee80211_smps_mode smps; 339f679f65dSJohannes Berg int tries; 340f679f65dSJohannes Berg u16 capability; 341af6b6374SJohannes Berg u8 prev_bssid[ETH_ALEN]; 342f679f65dSJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 343f679f65dSJohannes Berg u8 ssid_len; 344f679f65dSJohannes Berg u8 supp_rates_len; 345ab13315aSKalle Valo bool wmm_used, use_11n, uapsd_used; 346b2abb6e2SJohannes Berg bool synced; 347f679f65dSJohannes Berg } assoc; 348b8bc4b0aSJohannes Berg struct { 349e4da8c37SJohannes Berg u32 duration; 350b8bc4b0aSJohannes Berg } remain; 351f30221e4SJohannes Berg struct { 352f30221e4SJohannes Berg struct sk_buff *frame; 353f30221e4SJohannes Berg u32 wait; 35428a1bcdbSJohannes Berg bool status; 355f30221e4SJohannes Berg } offchan_tx; 356f679f65dSJohannes Berg }; 357fffd0934SJohannes Berg 358f679f65dSJohannes Berg int ie_len; 35977fdaa12SJohannes Berg /* must be last */ 360f679f65dSJohannes Berg u8 ie[0]; 36177fdaa12SJohannes Berg }; 36277fdaa12SJohannes Berg 36346900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 364ab1faeadSJohannes Berg enum ieee80211_sta_flags { 365b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 366b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 367b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 368b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 369b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 370b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 371ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 372375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 37317e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 374ab1faeadSJohannes Berg }; 375ab1faeadSJohannes Berg 37646900298SJohannes Berg struct ieee80211_if_managed { 377056cdd59SJohannes Berg struct timer_list timer; 378b291ba11SJohannes Berg struct timer_list conn_mon_timer; 379b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 380c481ec97SSujith struct timer_list chswitch_timer; 381b291ba11SJohannes Berg struct work_struct monitor_work; 382c481ec97SSujith struct work_struct chswitch_work; 3831e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 38446900298SJohannes Berg 3857ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 386b291ba11SJohannes Berg unsigned long probe_timeout; 387a43abf29SMaxim Levitsky int probe_send_count; 38804ac3c0eSFelix Fietkau bool nullfunc_failed; 389b291ba11SJohannes Berg 39077fdaa12SJohannes Berg struct mutex mtx; 3910c1ad2caSJohannes Berg struct cfg80211_bss *associated; 39246900298SJohannes Berg 39377fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 39446900298SJohannes Berg 395f0706e82SJiri Benc u16 aid; 396f0706e82SJiri Benc 3975bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 398965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 39905cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 4000f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 401d1f5b7a3SJohannes Berg ap_smps, /* smps mode AP thinks we're in */ 402d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 403d1f5b7a3SJohannes Berg 404d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 405965bedadSJohannes Berg 406d6f2da5bSJiri Slaby unsigned int flags; 407f0706e82SJiri Benc 408d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 409d91f36dbSJohannes Berg u32 beacon_crc; 410d91f36dbSJohannes Berg 411fdfacf0aSJouni Malinen enum { 412fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 413fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 414fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 415fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 416fdfacf0aSJouni Malinen 417f0706e82SJiri Benc int wmm_last_param_set; 4189bc383deSJohannes Berg 4199bc383deSJohannes Berg u8 use_4addr; 42017e4ec14SJouni Malinen 42117e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 42217e4ec14SJouni Malinen int last_beacon_signal; 42317e4ec14SJouni Malinen 42417e4ec14SJouni Malinen /* 42517e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 42617e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 42717e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 42817e4ec14SJouni Malinen * divided by 16 to get the actual value. 42917e4ec14SJouni Malinen */ 43017e4ec14SJouni Malinen int ave_beacon_signal; 43117e4ec14SJouni Malinen 43217e4ec14SJouni Malinen /* 433391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 434391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 435391a200aSJouni Malinen * only on couple of received frames. 436391a200aSJouni Malinen */ 437391a200aSJouni Malinen unsigned int count_beacon_signal; 438391a200aSJouni Malinen 439391a200aSJouni Malinen /* 44017e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 44117e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 44217e4ec14SJouni Malinen * generated for the current association. 44317e4ec14SJouni Malinen */ 44417e4ec14SJouni Malinen int last_cqm_event_signal; 445615f7b9bSMeenakshi Venkataraman 446615f7b9bSMeenakshi Venkataraman /* 447615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 448615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 449615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 450615f7b9bSMeenakshi Venkataraman */ 451615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 452615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 453ef96a842SBen Greear 454ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 455ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 456f0706e82SJiri Benc }; 457f0706e82SJiri Benc 45846900298SJohannes Berg struct ieee80211_if_ibss { 45946900298SJohannes Berg struct timer_list timer; 46046900298SJohannes Berg 4617a17a33cSJohannes Berg struct mutex mtx; 4627a17a33cSJohannes Berg 463af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4645bb644a0SJohannes Berg 465fbd2c8dcSTeemu Paasikivi u32 basic_rates; 466fbd2c8dcSTeemu Paasikivi 4675bb644a0SJohannes Berg bool timer_running; 4685bb644a0SJohannes Berg 469af8cdcd8SJohannes Berg bool fixed_bssid; 470af8cdcd8SJohannes Berg bool fixed_channel; 471fffd0934SJohannes Berg bool privacy; 47246900298SJohannes Berg 47346900298SJohannes Berg u8 bssid[ETH_ALEN]; 474af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 475af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 476af8cdcd8SJohannes Berg u8 *ie; 477af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 47813c40c54SAlexander Simon enum nl80211_channel_type channel_type; 47946900298SJohannes Berg 48046900298SJohannes Berg unsigned long ibss_join_req; 481af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 48240b275b6SJohannes Berg struct sk_buff __rcu *presp; 48340b275b6SJohannes Berg struct sk_buff *skb; 48446900298SJohannes Berg 4858bf11d8dSJohannes Berg spinlock_t incomplete_lock; 4868bf11d8dSJohannes Berg struct list_head incomplete_stations; 4878bf11d8dSJohannes Berg 48846900298SJohannes Berg enum { 48946900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 49046900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 49146900298SJohannes Berg } state; 49246900298SJohannes Berg }; 49346900298SJohannes Berg 494472dbc45SJohannes Berg struct ieee80211_if_mesh { 495472dbc45SJohannes Berg struct timer_list housekeeping_timer; 496472dbc45SJohannes Berg struct timer_list mesh_path_timer; 497e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 498472dbc45SJohannes Berg 4995bb644a0SJohannes Berg unsigned long timers_running; 5005bb644a0SJohannes Berg 50118889231SJavier Cardona unsigned long wrkq_flags; 502472dbc45SJohannes Berg 503472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 504472dbc45SJohannes Berg size_t mesh_id_len; 505472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5063491707aSRui Paulo u8 mesh_pp_id; 507472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5083491707aSRui Paulo u8 mesh_pm_id; 509472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5103491707aSRui Paulo u8 mesh_cc_id; 5119e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5123491707aSRui Paulo u8 mesh_sp_id; 5139e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5143491707aSRui Paulo u8 mesh_auth_id; 515d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 516d19b3bf6SRui Paulo u32 sn; 517472dbc45SJohannes Berg /* Last used PREQ ID */ 518472dbc45SJohannes Berg u32 preq_id; 519472dbc45SJohannes Berg atomic_t mpaths; 520d19b3bf6SRui Paulo /* Timestamp of last SN update */ 521d19b3bf6SRui Paulo unsigned long last_sn_update; 522dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 523dca7e943SThomas Pedersen unsigned long next_perr; 524dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 525472dbc45SJohannes Berg unsigned long last_preq; 526472dbc45SJohannes Berg struct mesh_rmc *rmc; 527472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 528472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 529472dbc45SJohannes Berg int preq_queue_len; 530472dbc45SJohannes Berg struct mesh_stats mshstats; 531472dbc45SJohannes Berg struct mesh_config mshcfg; 532472dbc45SJohannes Berg u32 mesh_seqnum; 533472dbc45SJohannes Berg bool accepting_plinks; 5345ee68e5bSJavier Cardona int num_gates; 535581a8b0fSJavier Cardona const u8 *ie; 536581a8b0fSJavier Cardona u8 ie_len; 537b130e5ceSJavier Cardona enum { 538b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 539b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 540b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 541b130e5ceSJavier Cardona } security; 542472dbc45SJohannes Berg }; 543902acc78SJohannes Berg 544902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 545472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 546472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 547902acc78SJohannes Berg #else 548472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 549902acc78SJohannes Berg do { } while (0) 550902acc78SJohannes Berg #endif 551f0706e82SJiri Benc 552213cd118SJohannes Berg /** 553213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 554213cd118SJohannes Berg * 555213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 556213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 557213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 558213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 559213cd118SJohannes Berg * associated stations and deliver multicast frames both 560213cd118SJohannes Berg * back to wireless media and to the local net stack. 56195acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 5627b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 563213cd118SJohannes Berg */ 564213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 565213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 566213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 5677986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 5687986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 56995acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 5707b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 571213cd118SJohannes Berg }; 572213cd118SJohannes Berg 57334d4bc4dSJohannes Berg /** 57434d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 57534d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 57634d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 57734d4bc4dSJohannes Berg * change handling while the interface is up 5785b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 5795b714c6aSJohannes Berg * mode, so queues are stopped 58034d4bc4dSJohannes Berg */ 58134d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 58234d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 5835b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 58434d4bc4dSJohannes Berg }; 58534d4bc4dSJohannes Berg 586f0706e82SJiri Benc struct ieee80211_sub_if_data { 587f0706e82SJiri Benc struct list_head list; 588f0706e82SJiri Benc 589f0706e82SJiri Benc struct wireless_dev wdev; 590f0706e82SJiri Benc 59111a843b7SJohannes Berg /* keys */ 59211a843b7SJohannes Berg struct list_head key_list; 59311a843b7SJohannes Berg 5943bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 5953bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 5963bff1865SYogesh Ashok Powar 597f0706e82SJiri Benc struct net_device *dev; 598f0706e82SJiri Benc struct ieee80211_local *local; 599f0706e82SJiri Benc 60013262ffdSJiri Slaby unsigned int flags; 6017e9ed188SDaniel Drake 60234d4bc4dSJohannes Berg unsigned long state; 60334d4bc4dSJohannes Berg 604f0706e82SJiri Benc int drop_unencrypted; 605f0706e82SJiri Benc 60647846c9bSJohannes Berg char name[IFNAMSIZ]; 60747846c9bSJohannes Berg 608413ad50aSJohannes Berg /* 609413ad50aSJohannes Berg * keep track of whether the HT opmode (stored in 610413ad50aSJohannes Berg * vif.bss_info.ht_operation_mode) is valid. 611413ad50aSJohannes Berg */ 612413ad50aSJohannes Berg bool ht_opmode_valid; 613413ad50aSJohannes Berg 6147da7cc1dSJohannes Berg /* to detect idle changes */ 6157da7cc1dSJohannes Berg bool old_idle; 6167da7cc1dSJohannes Berg 617f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 618f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 619f0706e82SJiri Benc unsigned int fragment_next; 620f0706e82SJiri Benc 621b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 622b53be792SSimon Wunderlich u16 noack_map; 623b53be792SSimon Wunderlich 62440b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 62540b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 62640b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 62740b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 628f0706e82SJiri Benc 62994778280SJohannes Berg u16 sequence_number; 630a621fa4dSJohannes Berg __be16 control_port_protocol; 631a621fa4dSJohannes Berg bool control_port_no_encrypt; 63294778280SJohannes Berg 633f6f3def3SEliad Peller struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; 634f6f3def3SEliad Peller 63564592c8fSJohannes Berg struct work_struct work; 63635f20c14SJohannes Berg struct sk_buff_head skb_queue; 63735f20c14SJohannes Berg 63868542962SJuuso Oikarinen bool arp_filter_state; 63968542962SJuuso Oikarinen 6403e122be0SJohannes Berg /* 6413e122be0SJohannes Berg * AP this belongs to: self in AP mode and 6423e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 6433e122be0SJohannes Berg * all others (might be needed later in IBSS) 6443e122be0SJohannes Berg */ 6453e122be0SJohannes Berg struct ieee80211_if_ap *bss; 6463e122be0SJohannes Berg 64737eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 64837eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 649f0706e82SJiri Benc 650f0706e82SJiri Benc union { 651f0706e82SJiri Benc struct ieee80211_if_ap ap; 652f0706e82SJiri Benc struct ieee80211_if_wds wds; 653f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 65446900298SJohannes Berg struct ieee80211_if_managed mgd; 65546900298SJohannes Berg struct ieee80211_if_ibss ibss; 656472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 6578cc9a739SMichael Wu u32 mntr_flags; 658f0706e82SJiri Benc } u; 659e9f207f0SJiri Benc 660e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 661e9f207f0SJiri Benc struct { 6627bcfaf2fSJohannes Berg struct dentry *dir; 663295bafb4SBen Greear struct dentry *subdir_stations; 664f7e0104cSJohannes Berg struct dentry *default_unicast_key; 665f7e0104cSJohannes Berg struct dentry *default_multicast_key; 6663cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 6677bcfaf2fSJohannes Berg } debugfs; 668e9f207f0SJiri Benc #endif 66932bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 67032bfd35dSJohannes Berg struct ieee80211_vif vif; 671f0706e82SJiri Benc }; 672f0706e82SJiri Benc 67332bfd35dSJohannes Berg static inline 67432bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 67532bfd35dSJohannes Berg { 67632bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 67732bfd35dSJohannes Berg } 67832bfd35dSJohannes Berg 679c1475ca9SJohannes Berg enum sdata_queue_type { 680c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 681c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 682c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 683c1475ca9SJohannes Berg }; 684c1475ca9SJohannes Berg 685f0706e82SJiri Benc enum { 686f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 687f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 68837fbd908SJohannes Berg IEEE80211_EOSP_MSG = 3, 68937fbd908SJohannes Berg }; 69037fbd908SJohannes Berg 69137fbd908SJohannes Berg struct skb_eosp_msg_data { 69237fbd908SJohannes Berg u8 sta[ETH_ALEN], iface[ETH_ALEN]; 693f0706e82SJiri Benc }; 694f0706e82SJiri Benc 695ce7c9111SKalle Valo enum queue_stop_reason { 696ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 697520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 69896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 69996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 70025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 7018f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 702693828feSRajkumar Manoharan IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE, 703ce7c9111SKalle Valo }; 704ce7c9111SKalle Valo 70565a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 706e1e54068SJohannes Berg struct tpt_led_trigger { 707e1e54068SJohannes Berg struct led_trigger trig; 708e1e54068SJohannes Berg char name[32]; 709e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 710e1e54068SJohannes Berg unsigned int blink_table_len; 711e1e54068SJohannes Berg struct timer_list timer; 712e1e54068SJohannes Berg unsigned long prev_traffic; 713e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 71467408c8cSJohannes Berg unsigned int active, want; 71567408c8cSJohannes Berg bool running; 716e1e54068SJohannes Berg }; 71765a6538aSLuciano Coelho #endif 718e1e54068SJohannes Berg 719142b9f50SHelmut Schaa /** 720142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 721142b9f50SHelmut Schaa * 722142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 723142b9f50SHelmut Schaa * well be on the operating channel 724142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 725142b9f50SHelmut Schaa * determine if we are on the operating channel or not 7268789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 7278789d459SJohannes Berg * that the scan completed. 7288789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 7298789d459SJohannes Berg * a scan complete for an aborted scan. 730142b9f50SHelmut Schaa */ 731fbe9c429SHelmut Schaa enum { 732fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 733142b9f50SHelmut Schaa SCAN_HW_SCANNING, 7348789d459SJohannes Berg SCAN_COMPLETED, 7358789d459SJohannes Berg SCAN_ABORTED, 736142b9f50SHelmut Schaa }; 737142b9f50SHelmut Schaa 738142b9f50SHelmut Schaa /** 739142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 740142b9f50SHelmut Schaa * 741142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 742142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 743142b9f50SHelmut Schaa * operating channel 744142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 745142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 74607ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 74707ef03eeSJohannes Berg * send out data 74807ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 749142b9f50SHelmut Schaa */ 750142b9f50SHelmut Schaa enum mac80211_scan_state { 751142b9f50SHelmut Schaa SCAN_DECISION, 752142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 753142b9f50SHelmut Schaa SCAN_SEND_PROBE, 75407ef03eeSJohannes Berg SCAN_SUSPEND, 75507ef03eeSJohannes Berg SCAN_RESUME, 756fbe9c429SHelmut Schaa }; 757fbe9c429SHelmut Schaa 758f0706e82SJiri Benc struct ieee80211_local { 759f0706e82SJiri Benc /* embed the driver visible part. 760f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 761f0706e82SJiri Benc * it first anyway so they become a no-op */ 762f0706e82SJiri Benc struct ieee80211_hw hw; 763f0706e82SJiri Benc 764f0706e82SJiri Benc const struct ieee80211_ops *ops; 765f0706e82SJiri Benc 76642935ecaSLuis R. Rodriguez /* 767af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 768af6b6374SJohannes Berg */ 769af6b6374SJohannes Berg struct list_head work_list; 770af6b6374SJohannes Berg struct timer_list work_timer; 771af6b6374SJohannes Berg struct work_struct work_work; 772af6b6374SJohannes Berg struct sk_buff_head work_skb_queue; 773af6b6374SJohannes Berg 774af6b6374SJohannes Berg /* 77542935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 77642935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 77742935ecaSLuis R. Rodriguez */ 77842935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 77942935ecaSLuis R. Rodriguez 780e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 78196f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 782ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 78396f5e66eSJohannes Berg 784f0706e82SJiri Benc int open_count; 7853d30d949SMichael Wu int monitors, cooked_mntrs; 7868cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 7877be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 7887be5086dSJohannes Berg fif_probe_req; 7897be5086dSJohannes Berg int probe_req_reg; 7904150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 7913b8d81e0SJohannes Berg 7923ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 7933ffc2a90SJohannes Berg 7943b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 7953b8d81e0SJohannes Berg spinlock_t filter_lock; 7963b8d81e0SJohannes Berg 7973ac64beeSJohannes Berg /* used for uploading changed mc list */ 7983ac64beeSJohannes Berg struct work_struct reconfig_filter; 7993ac64beeSJohannes Berg 8000f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 8010f78231bSJohannes Berg struct work_struct recalc_smps; 8020f78231bSJohannes Berg 8033b8d81e0SJohannes Berg /* aggregated multicast list */ 80422bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 8053b8d81e0SJohannes Berg 806d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 8075bb644a0SJohannes Berg 8085bb644a0SJohannes Berg /* 8095bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 8105bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 8115bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 8125bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 8135bb644a0SJohannes Berg */ 8145bb644a0SJohannes Berg bool suspended; 8155bb644a0SJohannes Berg 8165bb644a0SJohannes Berg /* 817ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 818ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 819ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 820ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 821ceb99fe0SJohannes Berg */ 822ceb99fe0SJohannes Berg bool resuming; 823ceb99fe0SJohannes Berg 824ceb99fe0SJohannes Berg /* 8255bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 8265bb644a0SJohannes Berg * ease timer cancelling etc. 8275bb644a0SJohannes Berg */ 8285bb644a0SJohannes Berg bool quiescing; 8295bb644a0SJohannes Berg 830ea77f12fSJohannes Berg /* device is started */ 831ea77f12fSJohannes Berg bool started; 832ea77f12fSJohannes Berg 833eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 834eecc4800SJohannes Berg bool wowlan; 835eecc4800SJohannes Berg 836b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 837f0706e82SJiri Benc 838f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 839f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 840f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 841f0706e82SJiri Benc * queues increases over the limit. */ 842f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 843f0706e82SJiri Benc struct tasklet_struct tasklet; 844f0706e82SJiri Benc struct sk_buff_head skb_queue; 845f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 846f0706e82SJiri Benc 84724a8fdadSChristian Lamparter /* 84824a8fdadSChristian Lamparter * Internal FIFO queue which is shared between multiple rx path 84924a8fdadSChristian Lamparter * stages. Its main task is to provide a serialization mechanism, 85024a8fdadSChristian Lamparter * so all rx handlers can enjoy having exclusive access to their 85124a8fdadSChristian Lamparter * private data structures. 85224a8fdadSChristian Lamparter */ 85324a8fdadSChristian Lamparter struct sk_buff_head rx_skb_queue; 85424a8fdadSChristian Lamparter bool running_rx_handler; /* protected by rx_skb_queue.lock */ 85524a8fdadSChristian Lamparter 856d0709a65SJohannes Berg /* Station data */ 857d0709a65SJohannes Berg /* 8584d33960bSJohannes Berg * The mutex only protects the list, hash table and 8594d33960bSJohannes Berg * counter, reads are done with RCU. 860d0709a65SJohannes Berg */ 86134e89507SJohannes Berg struct mutex sta_mtx; 8624d33960bSJohannes Berg spinlock_t tim_lock; 863d0709a65SJohannes Berg unsigned long num_sta; 8644d33960bSJohannes Berg struct list_head sta_list; 86540b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 866f0706e82SJiri Benc struct timer_list sta_cleanup; 867f5ea9120SJohannes Berg int sta_generation; 868f0706e82SJiri Benc 8692a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 870f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 871f0706e82SJiri Benc 872a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 873cd8ffc80SJohannes Berg 874f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 87553918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 876f0706e82SJiri Benc 877f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 878f0706e82SJiri Benc 8795f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 8805f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 881f0706e82SJiri Benc u32 wep_iv; 882f0706e82SJiri Benc 883c771c9d8SJohannes Berg /* see iface.c */ 88479010420SJohannes Berg struct list_head interfaces; 885c771c9d8SJohannes Berg struct mutex iflist_mtx; 88679010420SJohannes Berg 887b16bd15cSJohannes Berg /* 888ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 889b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 890b16bd15cSJohannes Berg */ 891ad0e2b5aSJohannes Berg struct mutex key_mtx; 892b16bd15cSJohannes Berg 893a1699b75SJohannes Berg /* mutex for scan and work locking */ 894a1699b75SJohannes Berg struct mutex mtx; 895b16bd15cSJohannes Berg 896c2b13452SJohannes Berg /* Scanning and BSS list */ 897fbe9c429SHelmut Schaa unsigned long scanning; 8982a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 8995ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 9004d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 9012a519311SJohannes Berg struct ieee80211_channel *scan_channel; 9024d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 903f0706e82SJiri Benc int scan_channel_idx; 904de95a54bSJohannes Berg int scan_ies_len; 9058318d78aSJohannes Berg 90679f460caSLuciano Coelho bool sched_scanning; 90779f460caSLuciano Coelho struct ieee80211_sched_scan_ies sched_scan_ies; 90885a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 90979f460caSLuciano Coelho 910df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 911977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 912f0706e82SJiri Benc struct delayed_work scan_work; 913491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 9140aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 9152a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 916f0706e82SJiri Benc 917b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 918b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 919b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 920b8bc4b0aSJohannes Berg 921f0706e82SJiri Benc /* SNMP counters */ 922f0706e82SJiri Benc /* dot11CountersTable */ 923f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 924f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 925f0706e82SJiri Benc u32 dot11FailedCount; 926f0706e82SJiri Benc u32 dot11RetryCount; 927f0706e82SJiri Benc u32 dot11MultipleRetryCount; 928f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 929f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 930f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 931f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 932f0706e82SJiri Benc 933f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 934f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 935cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 936e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 937cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 938cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 939f0706e82SJiri Benc #endif 940f0706e82SJiri Benc 941f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 942f0706e82SJiri Benc /* TX/RX handler statistics */ 943f0706e82SJiri Benc unsigned int tx_handlers_drop; 944f0706e82SJiri Benc unsigned int tx_handlers_queued; 945f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 946f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 947f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 948f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 949f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 950f0706e82SJiri Benc unsigned int rx_handlers_drop; 951f0706e82SJiri Benc unsigned int rx_handlers_queued; 952f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 953f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 954f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 955f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 956f0706e82SJiri Benc unsigned int tx_expand_skb_head; 957f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 958f0706e82SJiri Benc unsigned int rx_expand_skb_head; 959f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 960f0706e82SJiri Benc unsigned int rx_handlers_fragments; 961f0706e82SJiri Benc unsigned int tx_status_drop; 962f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 963f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 964f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 965f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 966f0706e82SJiri Benc 967f0706e82SJiri Benc 968f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 969f0706e82SJiri Benc * multicast packets for power saving stations 970f0706e82SJiri Benc */ 971f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 972520eb820SKalle Valo 97350ae0cf1SKalle Valo /* 97450ae0cf1SKalle Valo * Bitmask of enabled u-apsd queues, 97550ae0cf1SKalle Valo * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 97650ae0cf1SKalle Valo * to take effect. 97750ae0cf1SKalle Valo */ 97850ae0cf1SKalle Valo unsigned int uapsd_queues; 97950ae0cf1SKalle Valo 98050ae0cf1SKalle Valo /* 98150ae0cf1SKalle Valo * Maximum number of buffered frames AP can deliver during a 98250ae0cf1SKalle Valo * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 98350ae0cf1SKalle Valo * Needs a new association to take effect. 98450ae0cf1SKalle Valo */ 98550ae0cf1SKalle Valo unsigned int uapsd_max_sp_len; 98650ae0cf1SKalle Valo 987572e0012SKalle Valo bool pspolling; 988b203ffc3SJouni Malinen bool offchannel_ps_enabled; 989965bedadSJohannes Berg /* 990965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 991965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 992965bedadSJohannes Berg */ 993965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 994520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 995520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 996520eb820SKalle Valo struct timer_list dynamic_ps_timer; 99710f644a4SJohannes Berg struct notifier_block network_latency_notifier; 9982b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 999f0706e82SJiri Benc 1000ff616381SJuuso Oikarinen /* 1001ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1002ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1003ff616381SJuuso Oikarinen */ 1004ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1005f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 1006f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 1007ff616381SJuuso Oikarinen 10082bf30fabSJohannes Berg int user_power_level; /* in dBm */ 1009a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 10102bf30fabSJohannes Berg 10110f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 10120f78231bSJohannes Berg 1013f2753ddbSJohannes Berg struct work_struct restart_work; 1014f2753ddbSJohannes Berg 1015e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1016e9f207f0SJiri Benc struct local_debugfsdentries { 10174b7679a5SJohannes Berg struct dentry *rcdir; 1018e9f207f0SJiri Benc struct dentry *keys; 1019e9f207f0SJiri Benc } debugfs; 1020e9f207f0SJiri Benc #endif 10214e6cbfd0SJohn W. Linville 102221f83589SJohannes Berg struct ieee80211_channel *hw_roc_channel; 102321f83589SJohannes Berg struct net_device *hw_roc_dev; 10244334ec85SJohannes Berg struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; 102521f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 102621f83589SJohannes Berg enum nl80211_channel_type hw_roc_channel_type; 102721f83589SJohannes Berg unsigned int hw_roc_duration; 102821f83589SJohannes Berg u32 hw_roc_cookie; 102990fc4b3aSJohannes Berg bool hw_roc_for_tx; 103021f83589SJohannes Berg 1031a729cff8SJohannes Berg struct idr ack_status_frames; 1032a729cff8SJohannes Berg spinlock_t ack_status_lock; 1033a729cff8SJohannes Berg 10344e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 10354e6cbfd0SJohn W. Linville struct net_device napi_dev; 10364e6cbfd0SJohn W. Linville 10374e6cbfd0SJohn W. Linville struct napi_struct napi; 1038f0706e82SJiri Benc }; 1039f0706e82SJiri Benc 10403e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 10413e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 10423e122be0SJohannes Berg { 10433e122be0SJohannes Berg return netdev_priv(dev); 10443e122be0SJohannes Berg } 10453e122be0SJohannes Berg 1046c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1047eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1048eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1049eadc8d9eSRon Rindjunsky u16 tid; 1050eadc8d9eSRon Rindjunsky }; 1051eadc8d9eSRon Rindjunsky 1052dd76986bSJohannes Berg /* Parsed Information Elements */ 1053dd76986bSJohannes Berg struct ieee802_11_elems { 1054dd76986bSJohannes Berg u8 *ie_start; 1055dd76986bSJohannes Berg size_t total_len; 1056dd76986bSJohannes Berg 1057dd76986bSJohannes Berg /* pointers to IEs */ 1058dd76986bSJohannes Berg u8 *ssid; 1059dd76986bSJohannes Berg u8 *supp_rates; 1060dd76986bSJohannes Berg u8 *fh_params; 1061dd76986bSJohannes Berg u8 *ds_params; 1062dd76986bSJohannes Berg u8 *cf_params; 1063dd76986bSJohannes Berg struct ieee80211_tim_ie *tim; 1064dd76986bSJohannes Berg u8 *ibss_params; 1065dd76986bSJohannes Berg u8 *challenge; 1066dd76986bSJohannes Berg u8 *wpa; 1067dd76986bSJohannes Berg u8 *rsn; 1068dd76986bSJohannes Berg u8 *erp_info; 1069dd76986bSJohannes Berg u8 *ext_supp_rates; 1070dd76986bSJohannes Berg u8 *wmm_info; 1071dd76986bSJohannes Berg u8 *wmm_param; 1072dd76986bSJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1073dd76986bSJohannes Berg struct ieee80211_ht_info *ht_info_elem; 1074dd76986bSJohannes Berg struct ieee80211_meshconf_ie *mesh_config; 1075dd76986bSJohannes Berg u8 *mesh_id; 1076dd76986bSJohannes Berg u8 *peering; 1077dd76986bSJohannes Berg u8 *preq; 1078dd76986bSJohannes Berg u8 *prep; 1079dd76986bSJohannes Berg u8 *perr; 1080dd76986bSJohannes Berg struct ieee80211_rann_ie *rann; 1081dd76986bSJohannes Berg u8 *ch_switch_elem; 1082dd76986bSJohannes Berg u8 *country_elem; 1083dd76986bSJohannes Berg u8 *pwr_constr_elem; 1084dd76986bSJohannes Berg u8 *quiet_elem; /* first quite element */ 1085dd76986bSJohannes Berg u8 *timeout_int; 1086dd76986bSJohannes Berg 1087dd76986bSJohannes Berg /* length of them, respectively */ 1088dd76986bSJohannes Berg u8 ssid_len; 1089dd76986bSJohannes Berg u8 supp_rates_len; 1090dd76986bSJohannes Berg u8 fh_params_len; 1091dd76986bSJohannes Berg u8 ds_params_len; 1092dd76986bSJohannes Berg u8 cf_params_len; 1093dd76986bSJohannes Berg u8 tim_len; 1094dd76986bSJohannes Berg u8 ibss_params_len; 1095dd76986bSJohannes Berg u8 challenge_len; 1096dd76986bSJohannes Berg u8 wpa_len; 1097dd76986bSJohannes Berg u8 rsn_len; 1098dd76986bSJohannes Berg u8 erp_info_len; 1099dd76986bSJohannes Berg u8 ext_supp_rates_len; 1100dd76986bSJohannes Berg u8 wmm_info_len; 1101dd76986bSJohannes Berg u8 wmm_param_len; 1102dd76986bSJohannes Berg u8 mesh_id_len; 1103dd76986bSJohannes Berg u8 peering_len; 1104dd76986bSJohannes Berg u8 preq_len; 1105dd76986bSJohannes Berg u8 prep_len; 1106dd76986bSJohannes Berg u8 perr_len; 1107dd76986bSJohannes Berg u8 ch_switch_elem_len; 1108dd76986bSJohannes Berg u8 country_elem_len; 1109dd76986bSJohannes Berg u8 pwr_constr_elem_len; 1110dd76986bSJohannes Berg u8 quiet_elem_len; 1111dd76986bSJohannes Berg u8 num_of_quiet_elem; /* can be more the one */ 1112dd76986bSJohannes Berg u8 timeout_int_len; 1113dd76986bSJohannes Berg }; 1114dd76986bSJohannes Berg 1115f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1116f0706e82SJiri Benc struct ieee80211_hw *hw) 1117f0706e82SJiri Benc { 1118f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1119f0706e82SJiri Benc } 1120f0706e82SJiri Benc 1121f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 1122f0706e82SJiri Benc struct ieee80211_local *local) 1123f0706e82SJiri Benc { 1124f0706e82SJiri Benc return &local->hw; 1125f0706e82SJiri Benc } 1126f0706e82SJiri Benc 1127f0706e82SJiri Benc 1128571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1129571ecf67SJohannes Berg { 1130571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 1131571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1132571ecf67SJohannes Berg } 1133571ecf67SJohannes Berg 1134571ecf67SJohannes Berg 1135e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 11365cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 11379c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 11389c6bd790SJohannes Berg u32 changed); 11390d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 114046900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1141f0706e82SJiri Benc 114246900298SJohannes Berg /* STA code */ 11439c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 114477fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 114577fdaa12SJohannes Berg struct cfg80211_auth_request *req); 114677fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 114777fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 114877fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 1149667503ddSJohannes Berg struct cfg80211_deauth_request *req, 1150667503ddSJohannes Berg void *cookie); 115177fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 1152667503ddSJohannes Berg struct cfg80211_disassoc_request *req, 1153667503ddSJohannes Berg void *cookie); 1154572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1155572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 115610f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 115710f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 115810f644a4SJohannes Berg unsigned long data, void *dummy); 11592b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1160cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1161cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 11625ce6e438SJohannes Berg struct ieee80211_bss *bss, 11635ce6e438SJohannes Berg u64 timestamp); 11645bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 11655bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 11661fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 11671fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11681fa57d01SJohannes Berg struct sk_buff *skb); 1169d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1170be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 11719c6bd790SJohannes Berg 117246900298SJohannes Berg /* IBSS code */ 117346900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 117446900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 11758bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 11768bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1177af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1178af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1179af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 11805bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 11815bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 11821fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 11831fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11841fa57d01SJohannes Berg struct sk_buff *skb); 11851fa57d01SJohannes Berg 11861fa57d01SJohannes Berg /* mesh code */ 11871fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 11881fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11891fa57d01SJohannes Berg struct sk_buff *skb); 119046900298SJohannes Berg 11919c6bd790SJohannes Berg /* scan/BSS handling */ 119246900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1193f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1194be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1195be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1196c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 11972a519311SJohannes Berg struct cfg80211_scan_request *req); 11985bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1199c2b13452SJohannes Berg ieee80211_rx_result 1200f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 12019c6bd790SJohannes Berg 12020a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1203c2b13452SJohannes Berg struct ieee80211_bss * 120498c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 120598c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 120698c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 120798c8fccfSJohannes Berg size_t len, 120898c8fccfSJohannes Berg struct ieee802_11_elems *elems, 12092a519311SJohannes Berg struct ieee80211_channel *channel, 12102a519311SJohannes Berg bool beacon); 1211c2b13452SJohannes Berg struct ieee80211_bss * 12125484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 12135484e237SJohannes Berg u8 *ssid, u8 ssid_len); 121498c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1215c2b13452SJohannes Berg struct ieee80211_bss *bss); 1216ee385855SLuis Carlos Cobo 121779f460caSLuciano Coelho /* scheduled scan handling */ 121879f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 121979f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 122085a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 122185a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 122279f460caSLuciano Coelho 1223b203ffc3SJouni Malinen /* off-channel helpers */ 1224b23b025fSBen Greear void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, 1225b23b025fSBen Greear bool offchannel_ps_enable); 1226b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1227b23b025fSBen Greear bool offchannel_ps_disable); 122821f83589SJohannes Berg void ieee80211_hw_roc_setup(struct ieee80211_local *local); 1229b203ffc3SJouni Malinen 12303e122be0SJohannes Berg /* interface handling */ 123147846c9bSJohannes Berg int ieee80211_iface_init(void); 123247846c9bSJohannes Berg void ieee80211_iface_exit(void); 12333e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 123405c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1235ee385855SLuis Carlos Cobo struct vif_params *params); 1236f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 123705c914feSJohannes Berg enum nl80211_iftype type); 1238f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 123975636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 12405cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 12415cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 124285416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 124385416a4fSChristian Lamparter const int offset); 1244f0706e82SJiri Benc 12459607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 12469607e6b6SJohannes Berg { 124734d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 12489607e6b6SJohannes Berg } 12499607e6b6SJohannes Berg 1250e2ebc74dSJohannes Berg /* tx handling */ 1251e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1252e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1253d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1254d0cf9c0dSStephen Hemminger struct net_device *dev); 1255d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1256d0cf9c0dSStephen Hemminger struct net_device *dev); 1257e2ebc74dSJohannes Berg 1258de1ede7aSJohannes Berg /* HT */ 1259ef96a842SBen Greear bool ieee80111_cfg_override_disables_ht40(struct ieee80211_sub_if_data *sdata); 1260ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1261ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1262ef96a842SBen Greear void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1263ef96a842SBen Greear struct ieee80211_supported_band *sband, 1264ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1265d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1266b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1267b8695a8fSJohannes Berg const u8 *da, u16 tid, 1268b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 12690f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 12700f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 12710f78231bSJohannes Berg const u8 *bssid); 1272d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1273de1ede7aSJohannes Berg 12747c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 127553f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1276849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 127753f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 127853f73c09SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); 1279de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1280de1ede7aSJohannes Berg struct sta_info *sta, 1281de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1282de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1283de1ede7aSJohannes Berg struct sta_info *sta, 1284de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1285de1ede7aSJohannes Berg size_t len); 1286de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1287de1ede7aSJohannes Berg struct sta_info *sta, 1288de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1289de1ede7aSJohannes Berg size_t len); 1290de1ede7aSJohannes Berg 1291849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 129253f73c09SJohannes Berg enum ieee80211_back_parties initiator, 129353f73c09SJohannes Berg bool tx); 129467c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 129553f73c09SJohannes Berg enum ieee80211_back_parties initiator, 129653f73c09SJohannes Berg bool tx); 12975d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 12985d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 129967c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 130067c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 13012bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1302849b7967SJohannes Berg 130339192c0bSJohannes Berg /* Spectrum management */ 130439192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 130539192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 130639192c0bSJohannes Berg size_t len); 130739192c0bSJohannes Berg 1308f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1309f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 131084f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1311f2753ddbSJohannes Berg 1312827b1fb4SJohannes Berg #ifdef CONFIG_PM 1313eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1314eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1315f2753ddbSJohannes Berg 1316f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1317f2753ddbSJohannes Berg { 131885f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 131985f72bc8SJohn W. Linville 132085f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 132185f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 132285f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 132385f72bc8SJohn W. Linville 1324f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1325f2753ddbSJohannes Berg } 1326827b1fb4SJohannes Berg #else 1327eecc4800SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw, 1328eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan) 1329827b1fb4SJohannes Berg { 1330827b1fb4SJohannes Berg return 0; 1331827b1fb4SJohannes Berg } 1332f2753ddbSJohannes Berg 1333827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1334827b1fb4SJohannes Berg { 1335827b1fb4SJohannes Berg return 0; 1336827b1fb4SJohannes Berg } 1337827b1fb4SJohannes Berg #endif 1338665af4fcSBob Copeland 1339c2d1560aSJohannes Berg /* utility functions/constants */ 1340c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 134171364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 134205c914feSJohannes Berg enum nl80211_iftype type); 1343c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1344c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1345f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1346e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1347e6d6e342SJohannes Berg gfp_t gfp); 13485825fe10SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); 1349ce662b44SJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 1350cf6bb79aSHelmut Schaa 1351cf6bb79aSHelmut Schaa void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 1352cf6bb79aSHelmut Schaa struct sk_buff *skb, int tid); 1353cf6bb79aSHelmut Schaa static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1354cf6bb79aSHelmut Schaa struct sk_buff *skb) 1355cf6bb79aSHelmut Schaa { 1356cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1357cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1358cf6bb79aSHelmut Schaa } 1359cf6bb79aSHelmut Schaa 13609c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 13619c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1362d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1363d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1364d91f36dbSJohannes Berg u64 filter, u32 crc); 1365881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 136696dd22acSJohannes Berg enum ieee80211_band band); 1367f0706e82SJiri Benc 1368520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1369520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1370520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1371a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1372a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1373a97b77b9SVivek Natarajan int powersave); 13743cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 13753cf335d5SKalle Valo struct ieee80211_hdr *hdr); 13764e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 137704ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 13781e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1379520eb820SKalle Valo 1380ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1381ce7c9111SKalle Valo enum queue_stop_reason reason); 1382ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1383ce7c9111SKalle Valo enum queue_stop_reason reason); 138496f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 138596f5e66eSJohannes Berg enum queue_stop_reason reason); 138696f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 138796f5e66eSJohannes Berg enum queue_stop_reason reason); 13888f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 13898f77f384SJohannes Berg struct sk_buff *skb); 1390b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs(struct ieee80211_local *local, 13918f77f384SJohannes Berg struct sk_buff_head *skbs); 1392b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 139350a9432dSJohannes Berg struct sk_buff_head *skbs, 139450a9432dSJohannes Berg void (*fn)(void *data), void *data); 1395ce7c9111SKalle Valo 139646900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 139746900298SJohannes Berg u16 transaction, u16 auth_alg, 1398fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1399efa6a09dSAntonio Quartulli const u8 *da, const u8 *key, u8 key_len, u8 key_idx); 1400de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 14014d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 1402651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1403651b5225SJouni Malinen u8 channel); 1404a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 140585a237feSJohannes Berg u8 *dst, u32 ratemask, 1406a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1407a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1408a806c558SPaul Stewart bool directed); 140946900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1410de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1411a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1412aad14cebSRajkumar Manoharan u32 ratemask, bool directed, bool no_cck); 141346900298SJohannes Berg 141446900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 141546900298SJohannes Berg const size_t supp_rates_len, 141646900298SJohannes Berg const u8 *supp_rates); 141746900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 141846900298SJohannes Berg struct ieee802_11_elems *elems, 141946900298SJohannes Berg enum ieee80211_band band); 14200f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 14210f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 1422025e6be2SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local); 142346900298SJohannes Berg 14248e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 14258e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 14268e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1427ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 142842e7aa77SAlexander Simon u16 cap); 142942e7aa77SAlexander Simon u8 *ieee80211_ie_build_ht_info(u8 *pos, 143042e7aa77SAlexander Simon struct ieee80211_sta_ht_cap *ht_cap, 143142e7aa77SAlexander Simon struct ieee80211_channel *channel, 143242e7aa77SAlexander Simon enum nl80211_channel_type channel_type); 14338e664fb3SJohannes Berg 1434af6b6374SJohannes Berg /* internal work items */ 1435af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1436af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1437af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1438af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1439af6b6374SJohannes Berg ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, 1440af6b6374SJohannes Berg struct sk_buff *skb); 1441b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1442b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1443b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1444b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1445b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1446b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1447af6b6374SJohannes Berg 1448f444de05SJohannes Berg /* channel management */ 1449f444de05SJohannes Berg enum ieee80211_chan_mode { 1450f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1451f444de05SJohannes Berg CHAN_MODE_HOPPING, 1452f444de05SJohannes Berg CHAN_MODE_FIXED, 1453f444de05SJohannes Berg }; 1454f444de05SJohannes Berg 1455f444de05SJohannes Berg enum ieee80211_chan_mode 1456f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1457f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 14580aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 14590aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 14600aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 146142e7aa77SAlexander Simon enum nl80211_channel_type 146242e7aa77SAlexander Simon ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); 1463f444de05SJohannes Berg 1464f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1465d9e8a70fSJohannes Berg #define debug_noinline noinline 1466d9e8a70fSJohannes Berg #else 1467d9e8a70fSJohannes Berg #define debug_noinline 1468d9e8a70fSJohannes Berg #endif 1469d9e8a70fSJohannes Berg 1470f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1471