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> 27fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2893da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 2951cb6db0SDavid S. Miller #include <net/mac80211.h> 302c8dccc7SJohannes Berg #include "key.h" 31f0706e82SJiri Benc #include "sta_info.h" 32f0706e82SJiri Benc 339cfb0009SJohannes Berg struct ieee80211_local; 34f0706e82SJiri Benc 35f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 36f0706e82SJiri Benc * associated stations are using power saving. */ 37f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 38f0706e82SJiri Benc 39f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 40f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 41f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 42f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 43f0706e82SJiri Benc 44f0706e82SJiri Benc /* Required encryption head and tailroom */ 45f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 46765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 47f0706e82SJiri Benc 48f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 49f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 50f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 51f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 52f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 53f0706e82SJiri Benc 5420ad19d0SJohannes Berg #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) 5520ad19d0SJohannes Berg 56ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 57ab13315aSKalle Valo (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ 58ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ 59ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ 60ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 61ab13315aSKalle Valo 62ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 63ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 64ab13315aSKalle Valo 65f0706e82SJiri Benc struct ieee80211_fragment_entry { 66f0706e82SJiri Benc unsigned long first_frag_time; 67f0706e82SJiri Benc unsigned int seq; 68f0706e82SJiri Benc unsigned int rx_queue; 69f0706e82SJiri Benc unsigned int last_frag; 70f0706e82SJiri Benc unsigned int extra_len; 71f0706e82SJiri Benc struct sk_buff_head skb_list; 72f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 73f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 74f0706e82SJiri Benc }; 75f0706e82SJiri Benc 76f0706e82SJiri Benc 77c2b13452SJohannes Berg struct ieee80211_bss { 7800d3f14cSJohannes Berg /* don't want to look up all the time */ 79056cdd59SJohannes Berg size_t ssid_len; 80f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 8100d3f14cSJohannes Berg 8298f7dfd8SEmmanuel Grumbach u8 dtim_period; 8300d3f14cSJohannes Berg 8443ac2ca3SJouni Malinen bool wmm_used; 85ab13315aSKalle Valo bool uapsd_supported; 8600d3f14cSJohannes Berg 8700d3f14cSJohannes Berg unsigned long last_probe_resp; 8800d3f14cSJohannes Berg 89ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 90ee385855SLuis Carlos Cobo u8 *mesh_id; 91ee385855SLuis Carlos Cobo size_t mesh_id_len; 9224736701SJohn W. Linville u8 *mesh_cfg; 93902acc78SJohannes Berg #endif 9400d3f14cSJohannes Berg 95f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 96f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 97f0706e82SJiri Benc size_t supp_rates_len; 98f0706e82SJiri Benc 9900d3f14cSJohannes Berg /* 10025985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1015628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1025628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10300d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10400d3f14cSJohannes Berg */ 10500d3f14cSJohannes Berg bool has_erp_value; 1065628221cSDaniel Drake u8 erp_value; 107f0706e82SJiri Benc }; 108f0706e82SJiri Benc 109c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 110902acc78SJohannes Berg { 111902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 112902acc78SJohannes Berg return bss->mesh_cfg; 113902acc78SJohannes Berg #endif 114902acc78SJohannes Berg return NULL; 115902acc78SJohannes Berg } 116902acc78SJohannes Berg 117c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 118902acc78SJohannes Berg { 119902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 120902acc78SJohannes Berg return bss->mesh_id; 121902acc78SJohannes Berg #endif 122902acc78SJohannes Berg return NULL; 123902acc78SJohannes Berg } 124902acc78SJohannes Berg 125c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 126902acc78SJohannes Berg { 127902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 128902acc78SJohannes Berg return bss->mesh_id_len; 129902acc78SJohannes Berg #endif 130902acc78SJohannes Berg return 0; 131902acc78SJohannes Berg } 132902acc78SJohannes Berg 133f0706e82SJiri Benc 1349ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1359ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1369ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1379ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1389ae54c84SJohannes Berg 1395cf121c3SJohannes Berg #define IEEE80211_TX_FRAGMENTED BIT(0) 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; 145f0706e82SJiri Benc struct ieee80211_local *local; 146f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 147f0706e82SJiri Benc struct sta_info *sta; 148f0706e82SJiri Benc struct ieee80211_key *key; 1495cf121c3SJohannes Berg 1508318d78aSJohannes Berg struct ieee80211_channel *channel; 151f0706e82SJiri Benc 152a4b7d7bdSHarvey Harrison u16 ethertype; 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 189554891e6SJohannes Berg * 190554891e6SJohannes Berg * These flags are used across handling multiple interfaces 191554891e6SJohannes Berg * for a single frame. 192554891e6SJohannes Berg */ 193554891e6SJohannes Berg enum ieee80211_rx_flags { 194554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 195554891e6SJohannes Berg }; 1965cf121c3SJohannes Berg 1975cf121c3SJohannes Berg struct ieee80211_rx_data { 1985cf121c3SJohannes Berg struct sk_buff *skb; 1995cf121c3SJohannes Berg struct ieee80211_local *local; 2005cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2015cf121c3SJohannes Berg struct sta_info *sta; 2025cf121c3SJohannes Berg struct ieee80211_key *key; 203056cdd59SJohannes Berg 204056cdd59SJohannes Berg unsigned int flags; 2059e26297aSJohannes Berg 2069e26297aSJohannes Berg /* 2079e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2089e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2099e26297aSJohannes Berg * will be 16 on non-QoS frames. 2109e26297aSJohannes Berg */ 2119e26297aSJohannes Berg int seqno_idx; 2129e26297aSJohannes Berg 2139e26297aSJohannes Berg /* 2149e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2159e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2169e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2179e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2189e26297aSJohannes Berg */ 2199e26297aSJohannes Berg int security_idx; 2209e26297aSJohannes Berg 22150741ae0SJohannes Berg u32 tkip_iv32; 22250741ae0SJohannes Berg u16 tkip_iv16; 223f0706e82SJiri Benc }; 224f0706e82SJiri Benc 2255dfdaf58SJohannes Berg struct beacon_data { 2265dfdaf58SJohannes Berg u8 *head, *tail; 2275dfdaf58SJohannes Berg int head_len, tail_len; 2285dfdaf58SJohannes Berg int dtim_period; 2295dfdaf58SJohannes Berg }; 2305dfdaf58SJohannes Berg 231f0706e82SJiri Benc struct ieee80211_if_ap { 23240b275b6SJohannes Berg struct beacon_data __rcu *beacon; 233f0706e82SJiri Benc 2340ec3ca44SJohannes Berg struct list_head vlans; 2350ec3ca44SJohannes Berg 236f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 237f0706e82SJiri Benc * bitmap_empty :) 238004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 239f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 240f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 241056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 2425dfdaf58SJohannes Berg int dtim_count; 243512119b3SChristian Lamparter bool dtim_bc_mc; 244f0706e82SJiri Benc }; 245f0706e82SJiri Benc 246f0706e82SJiri Benc struct ieee80211_if_wds { 247f0706e82SJiri Benc struct sta_info *sta; 248056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 249f0706e82SJiri Benc }; 250f0706e82SJiri Benc 251f0706e82SJiri Benc struct ieee80211_if_vlan { 2520ec3ca44SJohannes Berg struct list_head list; 253f14543eeSFelix Fietkau 254f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 25540b275b6SJohannes Berg struct sta_info __rcu *sta; 256f0706e82SJiri Benc }; 257f0706e82SJiri Benc 258ee385855SLuis Carlos Cobo struct mesh_stats { 259c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 260c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 261c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 262ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 263ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 264ee385855SLuis Carlos Cobo atomic_t estab_plinks; 265ee385855SLuis Carlos Cobo }; 266ee385855SLuis Carlos Cobo 267ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 268ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 269ee385855SLuis Carlos Cobo struct mesh_preq_queue { 270ee385855SLuis Carlos Cobo struct list_head list; 271ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 272ee385855SLuis Carlos Cobo u8 flags; 273ee385855SLuis Carlos Cobo }; 274ee385855SLuis Carlos Cobo 275f679f65dSJohannes Berg enum ieee80211_work_type { 276b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 277af6b6374SJohannes Berg IEEE80211_WORK_DIRECT_PROBE, 278f679f65dSJohannes Berg IEEE80211_WORK_AUTH, 279e5b900d2SJohannes Berg IEEE80211_WORK_ASSOC_BEACON_WAIT, 280f679f65dSJohannes Berg IEEE80211_WORK_ASSOC, 281b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 282f30221e4SJohannes Berg IEEE80211_WORK_OFFCHANNEL_TX, 28377fdaa12SJohannes Berg }; 28477fdaa12SJohannes Berg 285af6b6374SJohannes Berg /** 286af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 287af6b6374SJohannes Berg * 288af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 289af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 290af6b6374SJohannes Berg * should be requeued. 291af6b6374SJohannes Berg */ 292af6b6374SJohannes Berg enum work_done_result { 293af6b6374SJohannes Berg WORK_DONE_DESTROY, 294af6b6374SJohannes Berg WORK_DONE_REQUEUE, 295af6b6374SJohannes Berg }; 296af6b6374SJohannes Berg 297f679f65dSJohannes Berg struct ieee80211_work { 29877fdaa12SJohannes Berg struct list_head list; 299f679f65dSJohannes Berg 300af6b6374SJohannes Berg struct rcu_head rcu_head; 301af6b6374SJohannes Berg 302af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 303af6b6374SJohannes Berg 304af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 305af6b6374SJohannes Berg struct sk_buff *skb); 306af6b6374SJohannes Berg 307f679f65dSJohannes Berg struct ieee80211_channel *chan; 308e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 309af6b6374SJohannes Berg 310f679f65dSJohannes Berg unsigned long timeout; 311f679f65dSJohannes Berg enum ieee80211_work_type type; 312f679f65dSJohannes Berg 313af6b6374SJohannes Berg u8 filter_ta[ETH_ALEN]; 314af6b6374SJohannes Berg 315e4da8c37SJohannes Berg bool started; 316e4da8c37SJohannes Berg 317f679f65dSJohannes Berg union { 318f679f65dSJohannes Berg struct { 319f679f65dSJohannes Berg int tries; 320f679f65dSJohannes Berg u16 algorithm, transaction; 32177fdaa12SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 32277fdaa12SJohannes Berg u8 ssid_len; 323fffd0934SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 324fffd0934SJohannes Berg u8 key_len, key_idx; 325f679f65dSJohannes Berg bool privacy; 326b2abb6e2SJohannes Berg bool synced; 327af6b6374SJohannes Berg } probe_auth; 328f679f65dSJohannes Berg struct { 3290c1ad2caSJohannes Berg struct cfg80211_bss *bss; 330f679f65dSJohannes Berg const u8 *supp_rates; 331f679f65dSJohannes Berg const u8 *ht_information_ie; 332af6b6374SJohannes Berg enum ieee80211_smps_mode smps; 333f679f65dSJohannes Berg int tries; 334f679f65dSJohannes Berg u16 capability; 335af6b6374SJohannes Berg u8 prev_bssid[ETH_ALEN]; 336f679f65dSJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 337f679f65dSJohannes Berg u8 ssid_len; 338f679f65dSJohannes Berg u8 supp_rates_len; 339ab13315aSKalle Valo bool wmm_used, use_11n, uapsd_used; 340b2abb6e2SJohannes Berg bool synced; 341f679f65dSJohannes Berg } assoc; 342b8bc4b0aSJohannes Berg struct { 343e4da8c37SJohannes Berg u32 duration; 344b8bc4b0aSJohannes Berg } remain; 345f30221e4SJohannes Berg struct { 346f30221e4SJohannes Berg struct sk_buff *frame; 347f30221e4SJohannes Berg u32 wait; 348f30221e4SJohannes Berg } offchan_tx; 349f679f65dSJohannes Berg }; 350fffd0934SJohannes Berg 351f679f65dSJohannes Berg int ie_len; 35277fdaa12SJohannes Berg /* must be last */ 353f679f65dSJohannes Berg u8 ie[0]; 35477fdaa12SJohannes Berg }; 35577fdaa12SJohannes Berg 35646900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 357ab1faeadSJohannes Berg enum ieee80211_sta_flags { 358b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 359b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 360b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 361b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 362b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 363b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 364ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 365375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 36617e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 367ab1faeadSJohannes Berg }; 368ab1faeadSJohannes Berg 36946900298SJohannes Berg struct ieee80211_if_managed { 370056cdd59SJohannes Berg struct timer_list timer; 371b291ba11SJohannes Berg struct timer_list conn_mon_timer; 372b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 373c481ec97SSujith struct timer_list chswitch_timer; 374b291ba11SJohannes Berg struct work_struct monitor_work; 375c481ec97SSujith struct work_struct chswitch_work; 3761e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 37746900298SJohannes Berg 3787ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 379b291ba11SJohannes Berg unsigned long probe_timeout; 380a43abf29SMaxim Levitsky int probe_send_count; 38104ac3c0eSFelix Fietkau bool nullfunc_failed; 382b291ba11SJohannes Berg 38377fdaa12SJohannes Berg struct mutex mtx; 3840c1ad2caSJohannes Berg struct cfg80211_bss *associated; 38546900298SJohannes Berg 38677fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 38746900298SJohannes Berg 388f0706e82SJiri Benc u16 aid; 389f0706e82SJiri Benc 3905bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 391965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 3920f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 393d1f5b7a3SJohannes Berg ap_smps, /* smps mode AP thinks we're in */ 394d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 395d1f5b7a3SJohannes Berg 396d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 397965bedadSJohannes Berg 398d6f2da5bSJiri Slaby unsigned int flags; 399f0706e82SJiri Benc 400d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 401d91f36dbSJohannes Berg u32 beacon_crc; 402d91f36dbSJohannes Berg 403fdfacf0aSJouni Malinen enum { 404fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 405fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 406fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 407fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 408fdfacf0aSJouni Malinen 409f0706e82SJiri Benc int wmm_last_param_set; 4109bc383deSJohannes Berg 4119bc383deSJohannes Berg u8 use_4addr; 41217e4ec14SJouni Malinen 41317e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 41417e4ec14SJouni Malinen int last_beacon_signal; 41517e4ec14SJouni Malinen 41617e4ec14SJouni Malinen /* 41717e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 41817e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 41917e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 42017e4ec14SJouni Malinen * divided by 16 to get the actual value. 42117e4ec14SJouni Malinen */ 42217e4ec14SJouni Malinen int ave_beacon_signal; 42317e4ec14SJouni Malinen 42417e4ec14SJouni Malinen /* 425391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 426391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 427391a200aSJouni Malinen * only on couple of received frames. 428391a200aSJouni Malinen */ 429391a200aSJouni Malinen unsigned int count_beacon_signal; 430391a200aSJouni Malinen 431391a200aSJouni Malinen /* 43217e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 43317e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 43417e4ec14SJouni Malinen * generated for the current association. 43517e4ec14SJouni Malinen */ 43617e4ec14SJouni Malinen int last_cqm_event_signal; 437615f7b9bSMeenakshi Venkataraman 438615f7b9bSMeenakshi Venkataraman /* 439615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 440615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 441615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 442615f7b9bSMeenakshi Venkataraman */ 443615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 444615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 445f0706e82SJiri Benc }; 446f0706e82SJiri Benc 44746900298SJohannes Berg struct ieee80211_if_ibss { 44846900298SJohannes Berg struct timer_list timer; 44946900298SJohannes Berg 4507a17a33cSJohannes Berg struct mutex mtx; 4517a17a33cSJohannes Berg 452af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4535bb644a0SJohannes Berg 454fbd2c8dcSTeemu Paasikivi u32 basic_rates; 455fbd2c8dcSTeemu Paasikivi 4565bb644a0SJohannes Berg bool timer_running; 4575bb644a0SJohannes Berg 458af8cdcd8SJohannes Berg bool fixed_bssid; 459af8cdcd8SJohannes Berg bool fixed_channel; 460fffd0934SJohannes Berg bool privacy; 46146900298SJohannes Berg 46246900298SJohannes Berg u8 bssid[ETH_ALEN]; 463af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 464af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 465af8cdcd8SJohannes Berg u8 *ie; 466af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 46746900298SJohannes Berg 46846900298SJohannes Berg unsigned long ibss_join_req; 469af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 47040b275b6SJohannes Berg struct sk_buff __rcu *presp; 47140b275b6SJohannes Berg struct sk_buff *skb; 47246900298SJohannes Berg 47346900298SJohannes Berg enum { 47446900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 47546900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 47646900298SJohannes Berg } state; 47746900298SJohannes Berg }; 47846900298SJohannes Berg 479472dbc45SJohannes Berg struct ieee80211_if_mesh { 480472dbc45SJohannes Berg struct timer_list housekeeping_timer; 481472dbc45SJohannes Berg struct timer_list mesh_path_timer; 482e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 483472dbc45SJohannes Berg 4845bb644a0SJohannes Berg unsigned long timers_running; 4855bb644a0SJohannes Berg 48618889231SJavier Cardona unsigned long wrkq_flags; 487472dbc45SJohannes Berg 488472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 489472dbc45SJohannes Berg size_t mesh_id_len; 490472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 4913491707aSRui Paulo u8 mesh_pp_id; 492472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 4933491707aSRui Paulo u8 mesh_pm_id; 494472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 4953491707aSRui Paulo u8 mesh_cc_id; 4969e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 4973491707aSRui Paulo u8 mesh_sp_id; 4989e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 4993491707aSRui Paulo u8 mesh_auth_id; 500d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 501d19b3bf6SRui Paulo u32 sn; 502472dbc45SJohannes Berg /* Last used PREQ ID */ 503472dbc45SJohannes Berg u32 preq_id; 504472dbc45SJohannes Berg atomic_t mpaths; 505d19b3bf6SRui Paulo /* Timestamp of last SN update */ 506d19b3bf6SRui Paulo unsigned long last_sn_update; 507d19b3bf6SRui Paulo /* Timestamp of last SN sent */ 508472dbc45SJohannes Berg unsigned long last_preq; 509472dbc45SJohannes Berg struct mesh_rmc *rmc; 510472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 511472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 512472dbc45SJohannes Berg int preq_queue_len; 513472dbc45SJohannes Berg struct mesh_stats mshstats; 514472dbc45SJohannes Berg struct mesh_config mshcfg; 515472dbc45SJohannes Berg u32 mesh_seqnum; 516472dbc45SJohannes Berg bool accepting_plinks; 517581a8b0fSJavier Cardona const u8 *ie; 518581a8b0fSJavier Cardona u8 ie_len; 519b130e5ceSJavier Cardona enum { 520b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 521b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 522b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 523b130e5ceSJavier Cardona } security; 524472dbc45SJohannes Berg }; 525902acc78SJohannes Berg 526902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 527472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 528472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 529902acc78SJohannes Berg #else 530472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 531902acc78SJohannes Berg do { } while (0) 532902acc78SJohannes Berg #endif 533f0706e82SJiri Benc 534213cd118SJohannes Berg /** 535213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 536213cd118SJohannes Berg * 537213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 538213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 539213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 540213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 541213cd118SJohannes Berg * associated stations and deliver multicast frames both 542213cd118SJohannes Berg * back to wireless media and to the local net stack. 54395acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 544213cd118SJohannes Berg */ 545213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 546213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 547213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 5487986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 5497986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 55095acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 551213cd118SJohannes Berg }; 552213cd118SJohannes Berg 55334d4bc4dSJohannes Berg /** 55434d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 55534d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 55634d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 55734d4bc4dSJohannes Berg * change handling while the interface is up 5585b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 5595b714c6aSJohannes Berg * mode, so queues are stopped 56034d4bc4dSJohannes Berg */ 56134d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 56234d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 5635b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 56434d4bc4dSJohannes Berg }; 56534d4bc4dSJohannes Berg 566f0706e82SJiri Benc struct ieee80211_sub_if_data { 567f0706e82SJiri Benc struct list_head list; 568f0706e82SJiri Benc 569f0706e82SJiri Benc struct wireless_dev wdev; 570f0706e82SJiri Benc 57111a843b7SJohannes Berg /* keys */ 57211a843b7SJohannes Berg struct list_head key_list; 57311a843b7SJohannes Berg 5743bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 5753bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 5763bff1865SYogesh Ashok Powar 577f0706e82SJiri Benc struct net_device *dev; 578f0706e82SJiri Benc struct ieee80211_local *local; 579f0706e82SJiri Benc 58013262ffdSJiri Slaby unsigned int flags; 5817e9ed188SDaniel Drake 58234d4bc4dSJohannes Berg unsigned long state; 58334d4bc4dSJohannes Berg 584f0706e82SJiri Benc int drop_unencrypted; 585f0706e82SJiri Benc 58647846c9bSJohannes Berg char name[IFNAMSIZ]; 58747846c9bSJohannes Berg 588413ad50aSJohannes Berg /* 589413ad50aSJohannes Berg * keep track of whether the HT opmode (stored in 590413ad50aSJohannes Berg * vif.bss_info.ht_operation_mode) is valid. 591413ad50aSJohannes Berg */ 592413ad50aSJohannes Berg bool ht_opmode_valid; 593413ad50aSJohannes Berg 5947da7cc1dSJohannes Berg /* to detect idle changes */ 5957da7cc1dSJohannes Berg bool old_idle; 5967da7cc1dSJohannes Berg 597f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 598f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 599f0706e82SJiri Benc unsigned int fragment_next; 600f0706e82SJiri Benc 60140b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 60240b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 60340b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 60440b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 605f0706e82SJiri Benc 60694778280SJohannes Berg u16 sequence_number; 607a621fa4dSJohannes Berg __be16 control_port_protocol; 608a621fa4dSJohannes Berg bool control_port_no_encrypt; 60994778280SJohannes Berg 61064592c8fSJohannes Berg struct work_struct work; 61135f20c14SJohannes Berg struct sk_buff_head skb_queue; 61235f20c14SJohannes Berg 61368542962SJuuso Oikarinen bool arp_filter_state; 61468542962SJuuso Oikarinen 6153e122be0SJohannes Berg /* 6163e122be0SJohannes Berg * AP this belongs to: self in AP mode and 6173e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 6183e122be0SJohannes Berg * all others (might be needed later in IBSS) 6193e122be0SJohannes Berg */ 6203e122be0SJohannes Berg struct ieee80211_if_ap *bss; 6213e122be0SJohannes Berg 62237eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 62337eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 624f0706e82SJiri Benc 625f0706e82SJiri Benc union { 626f0706e82SJiri Benc struct ieee80211_if_ap ap; 627f0706e82SJiri Benc struct ieee80211_if_wds wds; 628f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 62946900298SJohannes Berg struct ieee80211_if_managed mgd; 63046900298SJohannes Berg struct ieee80211_if_ibss ibss; 631472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 6328cc9a739SMichael Wu u32 mntr_flags; 633f0706e82SJiri Benc } u; 634e9f207f0SJiri Benc 635e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 636e9f207f0SJiri Benc struct { 6377bcfaf2fSJohannes Berg struct dentry *dir; 638295bafb4SBen Greear struct dentry *subdir_stations; 639f7e0104cSJohannes Berg struct dentry *default_unicast_key; 640f7e0104cSJohannes Berg struct dentry *default_multicast_key; 6413cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 6427bcfaf2fSJohannes Berg } debugfs; 643e9f207f0SJiri Benc #endif 64432bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 64532bfd35dSJohannes Berg struct ieee80211_vif vif; 646f0706e82SJiri Benc }; 647f0706e82SJiri Benc 64832bfd35dSJohannes Berg static inline 64932bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 65032bfd35dSJohannes Berg { 65132bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 65232bfd35dSJohannes Berg } 65332bfd35dSJohannes Berg 654c1475ca9SJohannes Berg enum sdata_queue_type { 655c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 656c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 657c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 658c1475ca9SJohannes Berg }; 659c1475ca9SJohannes Berg 660f0706e82SJiri Benc enum { 661f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 662f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 663f0706e82SJiri Benc }; 664f0706e82SJiri Benc 665ce7c9111SKalle Valo enum queue_stop_reason { 666ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 667520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 66896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 66996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 67025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 6718f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 672ce7c9111SKalle Valo }; 673ce7c9111SKalle Valo 67465a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 675e1e54068SJohannes Berg struct tpt_led_trigger { 676e1e54068SJohannes Berg struct led_trigger trig; 677e1e54068SJohannes Berg char name[32]; 678e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 679e1e54068SJohannes Berg unsigned int blink_table_len; 680e1e54068SJohannes Berg struct timer_list timer; 681e1e54068SJohannes Berg unsigned long prev_traffic; 682e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 68367408c8cSJohannes Berg unsigned int active, want; 68467408c8cSJohannes Berg bool running; 685e1e54068SJohannes Berg }; 68665a6538aSLuciano Coelho #endif 687e1e54068SJohannes Berg 688142b9f50SHelmut Schaa /** 689142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 690142b9f50SHelmut Schaa * 691142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 692142b9f50SHelmut Schaa * well be on the operating channel 693142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 694142b9f50SHelmut Schaa * determine if we are on the operating channel or not 6958789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 6968789d459SJohannes Berg * that the scan completed. 6978789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 6988789d459SJohannes Berg * a scan complete for an aborted scan. 699142b9f50SHelmut Schaa */ 700fbe9c429SHelmut Schaa enum { 701fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 702142b9f50SHelmut Schaa SCAN_HW_SCANNING, 7038789d459SJohannes Berg SCAN_COMPLETED, 7048789d459SJohannes Berg SCAN_ABORTED, 705142b9f50SHelmut Schaa }; 706142b9f50SHelmut Schaa 707142b9f50SHelmut Schaa /** 708142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 709142b9f50SHelmut Schaa * 710142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 711142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 712142b9f50SHelmut Schaa * operating channel 713142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 714142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 715142b9f50SHelmut Schaa * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP 716142b9f50SHelmut Schaa * about us leaving the channel and stop all associated STA interfaces 717142b9f50SHelmut Schaa * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the 718142b9f50SHelmut Schaa * AP about us being back and restart all associated STA interfaces 719142b9f50SHelmut Schaa */ 720142b9f50SHelmut Schaa enum mac80211_scan_state { 721142b9f50SHelmut Schaa SCAN_DECISION, 722142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 723142b9f50SHelmut Schaa SCAN_SEND_PROBE, 724142b9f50SHelmut Schaa SCAN_LEAVE_OPER_CHANNEL, 725142b9f50SHelmut Schaa SCAN_ENTER_OPER_CHANNEL, 726fbe9c429SHelmut Schaa }; 727fbe9c429SHelmut Schaa 728f0706e82SJiri Benc struct ieee80211_local { 729f0706e82SJiri Benc /* embed the driver visible part. 730f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 731f0706e82SJiri Benc * it first anyway so they become a no-op */ 732f0706e82SJiri Benc struct ieee80211_hw hw; 733f0706e82SJiri Benc 734f0706e82SJiri Benc const struct ieee80211_ops *ops; 735f0706e82SJiri Benc 73642935ecaSLuis R. Rodriguez /* 737af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 738af6b6374SJohannes Berg */ 739af6b6374SJohannes Berg struct list_head work_list; 740af6b6374SJohannes Berg struct timer_list work_timer; 741af6b6374SJohannes Berg struct work_struct work_work; 742af6b6374SJohannes Berg struct sk_buff_head work_skb_queue; 743af6b6374SJohannes Berg 744af6b6374SJohannes Berg /* 74542935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 74642935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 74742935ecaSLuis R. Rodriguez */ 74842935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 74942935ecaSLuis R. Rodriguez 750e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 7512683d65bSEliad Peller struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; 75296f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 753ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 75496f5e66eSJohannes Berg 755f0706e82SJiri Benc int open_count; 7563d30d949SMichael Wu int monitors, cooked_mntrs; 7578cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 7587be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 7597be5086dSJohannes Berg fif_probe_req; 7607be5086dSJohannes Berg int probe_req_reg; 7614150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 7623b8d81e0SJohannes Berg 7633ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 7643ffc2a90SJohannes Berg 7653b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 7663b8d81e0SJohannes Berg spinlock_t filter_lock; 7673b8d81e0SJohannes Berg 7683ac64beeSJohannes Berg /* used for uploading changed mc list */ 7693ac64beeSJohannes Berg struct work_struct reconfig_filter; 7703ac64beeSJohannes Berg 7710f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 7720f78231bSJohannes Berg struct work_struct recalc_smps; 7730f78231bSJohannes Berg 7743b8d81e0SJohannes Berg /* aggregated multicast list */ 77522bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 7763b8d81e0SJohannes Berg 777d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 7785bb644a0SJohannes Berg 7795bb644a0SJohannes Berg /* 7805bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 7815bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 7825bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 7835bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 7845bb644a0SJohannes Berg */ 7855bb644a0SJohannes Berg bool suspended; 7865bb644a0SJohannes Berg 7875bb644a0SJohannes Berg /* 788ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 789ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 790ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 791ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 792ceb99fe0SJohannes Berg */ 793ceb99fe0SJohannes Berg bool resuming; 794ceb99fe0SJohannes Berg 795ceb99fe0SJohannes Berg /* 7965bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 7975bb644a0SJohannes Berg * ease timer cancelling etc. 7985bb644a0SJohannes Berg */ 7995bb644a0SJohannes Berg bool quiescing; 8005bb644a0SJohannes Berg 801ea77f12fSJohannes Berg /* device is started */ 802ea77f12fSJohannes Berg bool started; 803ea77f12fSJohannes Berg 804eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 805eecc4800SJohannes Berg bool wowlan; 806eecc4800SJohannes Berg 807b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 808f0706e82SJiri Benc 809f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 810f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 811f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 812f0706e82SJiri Benc * queues increases over the limit. */ 813f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 814f0706e82SJiri Benc struct tasklet_struct tasklet; 815f0706e82SJiri Benc struct sk_buff_head skb_queue; 816f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 817f0706e82SJiri Benc 81824a8fdadSChristian Lamparter /* 81924a8fdadSChristian Lamparter * Internal FIFO queue which is shared between multiple rx path 82024a8fdadSChristian Lamparter * stages. Its main task is to provide a serialization mechanism, 82124a8fdadSChristian Lamparter * so all rx handlers can enjoy having exclusive access to their 82224a8fdadSChristian Lamparter * private data structures. 82324a8fdadSChristian Lamparter */ 82424a8fdadSChristian Lamparter struct sk_buff_head rx_skb_queue; 82524a8fdadSChristian Lamparter bool running_rx_handler; /* protected by rx_skb_queue.lock */ 82624a8fdadSChristian Lamparter 827d0709a65SJohannes Berg /* Station data */ 828d0709a65SJohannes Berg /* 82934e89507SJohannes Berg * The mutex only protects the list and counter, 83034e89507SJohannes Berg * reads are done in RCU. 83134e89507SJohannes Berg * Additionally, the lock protects the hash table, 83234e89507SJohannes Berg * the pending list and each BSS's TIM bitmap. 833d0709a65SJohannes Berg */ 83434e89507SJohannes Berg struct mutex sta_mtx; 835d0709a65SJohannes Berg spinlock_t sta_lock; 836d0709a65SJohannes Berg unsigned long num_sta; 83734e89507SJohannes Berg struct list_head sta_list, sta_pending_list; 83840b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 839f0706e82SJiri Benc struct timer_list sta_cleanup; 84034e89507SJohannes Berg struct work_struct sta_finish_work; 841f5ea9120SJohannes Berg int sta_generation; 842f0706e82SJiri Benc 8432a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 844f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 845f0706e82SJiri Benc 846a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 847cd8ffc80SJohannes Berg 848f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 84953918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 850f0706e82SJiri Benc 851f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 852f0706e82SJiri Benc 8535f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 8545f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 855f0706e82SJiri Benc u32 wep_iv; 856f0706e82SJiri Benc 857c771c9d8SJohannes Berg /* see iface.c */ 85879010420SJohannes Berg struct list_head interfaces; 859c771c9d8SJohannes Berg struct mutex iflist_mtx; 86079010420SJohannes Berg 861b16bd15cSJohannes Berg /* 862ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 863b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 864b16bd15cSJohannes Berg */ 865ad0e2b5aSJohannes Berg struct mutex key_mtx; 866b16bd15cSJohannes Berg 867a1699b75SJohannes Berg /* mutex for scan and work locking */ 868a1699b75SJohannes Berg struct mutex mtx; 869b16bd15cSJohannes Berg 870c2b13452SJohannes Berg /* Scanning and BSS list */ 871fbe9c429SHelmut Schaa unsigned long scanning; 8722a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 8735ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 8744d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 8752a519311SJohannes Berg struct ieee80211_channel *scan_channel; 8764d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 877f0706e82SJiri Benc int scan_channel_idx; 878de95a54bSJohannes Berg int scan_ies_len; 8798318d78aSJohannes Berg 88079f460caSLuciano Coelho bool sched_scanning; 88179f460caSLuciano Coelho struct ieee80211_sched_scan_ies sched_scan_ies; 88285a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 88379f460caSLuciano Coelho 884df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 885977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 886f0706e82SJiri Benc struct delayed_work scan_work; 887491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 8880aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 8892a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 890f0706e82SJiri Benc 891b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 892b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 893b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 894b8bc4b0aSJohannes Berg 895f0706e82SJiri Benc /* SNMP counters */ 896f0706e82SJiri Benc /* dot11CountersTable */ 897f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 898f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 899f0706e82SJiri Benc u32 dot11FailedCount; 900f0706e82SJiri Benc u32 dot11RetryCount; 901f0706e82SJiri Benc u32 dot11MultipleRetryCount; 902f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 903f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 904f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 905f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 906f0706e82SJiri Benc 907f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 908f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 909cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 910e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 911cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 912cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 913f0706e82SJiri Benc #endif 914f0706e82SJiri Benc 915f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 916f0706e82SJiri Benc /* TX/RX handler statistics */ 917f0706e82SJiri Benc unsigned int tx_handlers_drop; 918f0706e82SJiri Benc unsigned int tx_handlers_queued; 919f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 920f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 921f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 922f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 923f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 924f0706e82SJiri Benc unsigned int rx_handlers_drop; 925f0706e82SJiri Benc unsigned int rx_handlers_queued; 926f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 927f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 928f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 929f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 930f0706e82SJiri Benc unsigned int tx_expand_skb_head; 931f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 932f0706e82SJiri Benc unsigned int rx_expand_skb_head; 933f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 934f0706e82SJiri Benc unsigned int rx_handlers_fragments; 935f0706e82SJiri Benc unsigned int tx_status_drop; 936f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 937f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 938f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 939f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 940f0706e82SJiri Benc 941f0706e82SJiri Benc 942f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 943f0706e82SJiri Benc * multicast packets for power saving stations 944f0706e82SJiri Benc */ 945f0706e82SJiri Benc int wifi_wme_noack_test; 946f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 947520eb820SKalle Valo 94850ae0cf1SKalle Valo /* 94950ae0cf1SKalle Valo * Bitmask of enabled u-apsd queues, 95050ae0cf1SKalle Valo * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 95150ae0cf1SKalle Valo * to take effect. 95250ae0cf1SKalle Valo */ 95350ae0cf1SKalle Valo unsigned int uapsd_queues; 95450ae0cf1SKalle Valo 95550ae0cf1SKalle Valo /* 95650ae0cf1SKalle Valo * Maximum number of buffered frames AP can deliver during a 95750ae0cf1SKalle Valo * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 95850ae0cf1SKalle Valo * Needs a new association to take effect. 95950ae0cf1SKalle Valo */ 96050ae0cf1SKalle Valo unsigned int uapsd_max_sp_len; 96150ae0cf1SKalle Valo 962572e0012SKalle Valo bool pspolling; 963b203ffc3SJouni Malinen bool offchannel_ps_enabled; 964965bedadSJohannes Berg /* 965965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 966965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 967965bedadSJohannes Berg */ 968965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 969520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 970520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 971520eb820SKalle Valo struct timer_list dynamic_ps_timer; 97210f644a4SJohannes Berg struct notifier_block network_latency_notifier; 9732b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 974f0706e82SJiri Benc 975ff616381SJuuso Oikarinen /* 976ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 977ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 978ff616381SJuuso Oikarinen */ 979ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 980f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 981f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 982ff616381SJuuso Oikarinen 9832bf30fabSJohannes Berg int user_power_level; /* in dBm */ 984a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 9852bf30fabSJohannes Berg 9860f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 9870f78231bSJohannes Berg 988f2753ddbSJohannes Berg struct work_struct restart_work; 989f2753ddbSJohannes Berg 990e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 991e9f207f0SJiri Benc struct local_debugfsdentries { 9924b7679a5SJohannes Berg struct dentry *rcdir; 993e9f207f0SJiri Benc struct dentry *keys; 994e9f207f0SJiri Benc } debugfs; 995e9f207f0SJiri Benc #endif 9964e6cbfd0SJohn W. Linville 99721f83589SJohannes Berg struct ieee80211_channel *hw_roc_channel; 99821f83589SJohannes Berg struct net_device *hw_roc_dev; 9994334ec85SJohannes Berg struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; 100021f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 100121f83589SJohannes Berg enum nl80211_channel_type hw_roc_channel_type; 100221f83589SJohannes Berg unsigned int hw_roc_duration; 100321f83589SJohannes Berg u32 hw_roc_cookie; 100490fc4b3aSJohannes Berg bool hw_roc_for_tx; 10055f16a436SJohannes Berg unsigned long hw_offchan_tx_cookie; 100621f83589SJohannes Berg 10074e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 10084e6cbfd0SJohn W. Linville struct net_device napi_dev; 10094e6cbfd0SJohn W. Linville 10104e6cbfd0SJohn W. Linville struct napi_struct napi; 1011f0706e82SJiri Benc }; 1012f0706e82SJiri Benc 10133e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 10143e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 10153e122be0SJohannes Berg { 10163e122be0SJohannes Berg return netdev_priv(dev); 10173e122be0SJohannes Berg } 10183e122be0SJohannes Berg 1019c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1020eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1021eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1022eadc8d9eSRon Rindjunsky u16 tid; 1023eadc8d9eSRon Rindjunsky }; 1024eadc8d9eSRon Rindjunsky 1025ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 1026ee385855SLuis Carlos Cobo struct ieee802_11_elems { 102743ac2ca3SJouni Malinen u8 *ie_start; 102843ac2ca3SJouni Malinen size_t total_len; 102943ac2ca3SJouni Malinen 1030ee385855SLuis Carlos Cobo /* pointers to IEs */ 1031ee385855SLuis Carlos Cobo u8 *ssid; 1032ee385855SLuis Carlos Cobo u8 *supp_rates; 1033ee385855SLuis Carlos Cobo u8 *fh_params; 1034ee385855SLuis Carlos Cobo u8 *ds_params; 1035ee385855SLuis Carlos Cobo u8 *cf_params; 1036e7ec86f5SJohannes Berg struct ieee80211_tim_ie *tim; 1037ee385855SLuis Carlos Cobo u8 *ibss_params; 1038ee385855SLuis Carlos Cobo u8 *challenge; 1039ee385855SLuis Carlos Cobo u8 *wpa; 1040ee385855SLuis Carlos Cobo u8 *rsn; 1041ee385855SLuis Carlos Cobo u8 *erp_info; 1042ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 1043ee385855SLuis Carlos Cobo u8 *wmm_info; 1044ee385855SLuis Carlos Cobo u8 *wmm_param; 104509914813SJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1046d9fe60deSJohannes Berg struct ieee80211_ht_info *ht_info_elem; 1047136cfa28SRui Paulo struct ieee80211_meshconf_ie *mesh_config; 1048ee385855SLuis Carlos Cobo u8 *mesh_id; 1049ee385855SLuis Carlos Cobo u8 *peer_link; 1050ee385855SLuis Carlos Cobo u8 *preq; 1051ee385855SLuis Carlos Cobo u8 *prep; 1052ee385855SLuis Carlos Cobo u8 *perr; 105390a5e169SRui Paulo struct ieee80211_rann_ie *rann; 1054f2df3859SAssaf Krauss u8 *ch_switch_elem; 1055f2df3859SAssaf Krauss u8 *country_elem; 1056f2df3859SAssaf Krauss u8 *pwr_constr_elem; 1057f2df3859SAssaf Krauss u8 *quiet_elem; /* first quite element */ 1058f797eb7eSJouni Malinen u8 *timeout_int; 1059ee385855SLuis Carlos Cobo 1060ee385855SLuis Carlos Cobo /* length of them, respectively */ 1061ee385855SLuis Carlos Cobo u8 ssid_len; 1062ee385855SLuis Carlos Cobo u8 supp_rates_len; 1063ee385855SLuis Carlos Cobo u8 fh_params_len; 1064ee385855SLuis Carlos Cobo u8 ds_params_len; 1065ee385855SLuis Carlos Cobo u8 cf_params_len; 1066ee385855SLuis Carlos Cobo u8 tim_len; 1067ee385855SLuis Carlos Cobo u8 ibss_params_len; 1068ee385855SLuis Carlos Cobo u8 challenge_len; 1069ee385855SLuis Carlos Cobo u8 wpa_len; 1070ee385855SLuis Carlos Cobo u8 rsn_len; 1071ee385855SLuis Carlos Cobo u8 erp_info_len; 1072ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 1073ee385855SLuis Carlos Cobo u8 wmm_info_len; 1074ee385855SLuis Carlos Cobo u8 wmm_param_len; 1075ee385855SLuis Carlos Cobo u8 mesh_id_len; 1076ee385855SLuis Carlos Cobo u8 peer_link_len; 1077ee385855SLuis Carlos Cobo u8 preq_len; 1078ee385855SLuis Carlos Cobo u8 prep_len; 1079ee385855SLuis Carlos Cobo u8 perr_len; 1080f2df3859SAssaf Krauss u8 ch_switch_elem_len; 1081f2df3859SAssaf Krauss u8 country_elem_len; 1082f2df3859SAssaf Krauss u8 pwr_constr_elem_len; 1083f2df3859SAssaf Krauss u8 quiet_elem_len; 1084f2df3859SAssaf Krauss u8 num_of_quiet_elem; /* can be more the one */ 1085f797eb7eSJouni Malinen u8 timeout_int_len; 1086ee385855SLuis Carlos Cobo }; 1087ee385855SLuis Carlos Cobo 1088f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1089f0706e82SJiri Benc struct ieee80211_hw *hw) 1090f0706e82SJiri Benc { 1091f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1092f0706e82SJiri Benc } 1093f0706e82SJiri Benc 1094f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 1095f0706e82SJiri Benc struct ieee80211_local *local) 1096f0706e82SJiri Benc { 1097f0706e82SJiri Benc return &local->hw; 1098f0706e82SJiri Benc } 1099f0706e82SJiri Benc 1100f0706e82SJiri Benc 1101571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1102571ecf67SJohannes Berg { 1103571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 1104571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1105571ecf67SJohannes Berg } 1106571ecf67SJohannes Berg 1107571ecf67SJohannes Berg 1108e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 11095cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 11109c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 11119c6bd790SJohannes Berg u32 changed); 11120d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 111346900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1114f0706e82SJiri Benc 111546900298SJohannes Berg /* STA code */ 11169c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 111777fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 111877fdaa12SJohannes Berg struct cfg80211_auth_request *req); 111977fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 112077fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 112177fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 1122667503ddSJohannes Berg struct cfg80211_deauth_request *req, 1123667503ddSJohannes Berg void *cookie); 112477fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 1125667503ddSJohannes Berg struct cfg80211_disassoc_request *req, 1126667503ddSJohannes Berg void *cookie); 1127572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1128572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 112910f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 113010f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 113110f644a4SJohannes Berg unsigned long data, void *dummy); 11322b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1133cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1134cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 11355ce6e438SJohannes Berg struct ieee80211_bss *bss, 11365ce6e438SJohannes Berg u64 timestamp); 11375bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 11385bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 11391fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 11401fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11411fa57d01SJohannes Berg struct sk_buff *skb); 1142d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1143be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 11449c6bd790SJohannes Berg 114546900298SJohannes Berg /* IBSS code */ 114646900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 114746900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 114846900298SJohannes Berg struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, 114934e89507SJohannes Berg u8 *bssid, u8 *addr, u32 supp_rates, 115034e89507SJohannes Berg gfp_t gfp); 1151af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1152af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1153af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 11545bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 11555bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 11561fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 11571fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11581fa57d01SJohannes Berg struct sk_buff *skb); 11591fa57d01SJohannes Berg 11601fa57d01SJohannes Berg /* mesh code */ 11611fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 11621fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11631fa57d01SJohannes Berg struct sk_buff *skb); 116446900298SJohannes Berg 11659c6bd790SJohannes Berg /* scan/BSS handling */ 116646900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1167f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1168be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1169be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1170c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 11712a519311SJohannes Berg struct cfg80211_scan_request *req); 11725bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1173c2b13452SJohannes Berg ieee80211_rx_result 1174f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 11759c6bd790SJohannes Berg 11760a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1177c2b13452SJohannes Berg struct ieee80211_bss * 117898c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 117998c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 118098c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 118198c8fccfSJohannes Berg size_t len, 118298c8fccfSJohannes Berg struct ieee802_11_elems *elems, 11832a519311SJohannes Berg struct ieee80211_channel *channel, 11842a519311SJohannes Berg bool beacon); 1185c2b13452SJohannes Berg struct ieee80211_bss * 11865484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 11875484e237SJohannes Berg u8 *ssid, u8 ssid_len); 118898c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1189c2b13452SJohannes Berg struct ieee80211_bss *bss); 1190ee385855SLuis Carlos Cobo 119179f460caSLuciano Coelho /* scheduled scan handling */ 119279f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 119379f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 119485a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 119585a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 119679f460caSLuciano Coelho 1197b203ffc3SJouni Malinen /* off-channel helpers */ 1198b23b025fSBen Greear bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local); 1199b23b025fSBen Greear void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local, 1200b23b025fSBen Greear bool tell_ap); 1201b23b025fSBen Greear void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, 1202b23b025fSBen Greear bool offchannel_ps_enable); 1203b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1204b23b025fSBen Greear bool enable_beaconing, 1205b23b025fSBen Greear bool offchannel_ps_disable); 120621f83589SJohannes Berg void ieee80211_hw_roc_setup(struct ieee80211_local *local); 1207b203ffc3SJouni Malinen 12083e122be0SJohannes Berg /* interface handling */ 120947846c9bSJohannes Berg int ieee80211_iface_init(void); 121047846c9bSJohannes Berg void ieee80211_iface_exit(void); 12113e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 121205c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1213ee385855SLuis Carlos Cobo struct vif_params *params); 1214f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 121505c914feSJohannes Berg enum nl80211_iftype type); 1216f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 121775636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 12185cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 12195cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 122085416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 122185416a4fSChristian Lamparter const int offset); 1222f0706e82SJiri Benc 12239607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 12249607e6b6SJohannes Berg { 122534d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 12269607e6b6SJohannes Berg } 12279607e6b6SJohannes Berg 1228e2ebc74dSJohannes Berg /* tx handling */ 1229e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1230e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1231d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1232d0cf9c0dSStephen Hemminger struct net_device *dev); 1233d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1234d0cf9c0dSStephen Hemminger struct net_device *dev); 1235e2ebc74dSJohannes Berg 1236fe7a5d5cSJohannes Berg /* 1237fe7a5d5cSJohannes Berg * radiotap header for status frames 1238fe7a5d5cSJohannes Berg */ 1239fe7a5d5cSJohannes Berg struct ieee80211_tx_status_rtap_hdr { 1240fe7a5d5cSJohannes Berg struct ieee80211_radiotap_header hdr; 1241fe7a5d5cSJohannes Berg u8 rate; 1242fe7a5d5cSJohannes Berg u8 padding_for_rate; 1243fe7a5d5cSJohannes Berg __le16 tx_flags; 1244fe7a5d5cSJohannes Berg u8 data_retries; 1245bc10502dSEric Dumazet } __packed; 1246fe7a5d5cSJohannes Berg 1247fe7a5d5cSJohannes Berg 1248de1ede7aSJohannes Berg /* HT */ 1249ae5eb026SJohannes Berg void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, 1250ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1251d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1252de1ede7aSJohannes Berg void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); 1253b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1254b8695a8fSJohannes Berg const u8 *da, u16 tid, 1255b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 12560f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 12570f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 12580f78231bSJohannes Berg const u8 *bssid); 1259d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1260de1ede7aSJohannes Berg 12617c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 126253f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1263849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 126453f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 126553f73c09SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); 1266de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1267de1ede7aSJohannes Berg struct sta_info *sta, 1268de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1269de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1270de1ede7aSJohannes Berg struct sta_info *sta, 1271de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1272de1ede7aSJohannes Berg size_t len); 1273de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1274de1ede7aSJohannes Berg struct sta_info *sta, 1275de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1276de1ede7aSJohannes Berg size_t len); 1277de1ede7aSJohannes Berg 1278849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 127953f73c09SJohannes Berg enum ieee80211_back_parties initiator, 128053f73c09SJohannes Berg bool tx); 128167c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 128253f73c09SJohannes Berg enum ieee80211_back_parties initiator, 128353f73c09SJohannes Berg bool tx); 12845d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 12855d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 128667c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 128767c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 12882bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1289849b7967SJohannes Berg 129039192c0bSJohannes Berg /* Spectrum management */ 129139192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 129239192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 129339192c0bSJohannes Berg size_t len); 129439192c0bSJohannes Berg 1295f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1296f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 129784f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1298f2753ddbSJohannes Berg 1299827b1fb4SJohannes Berg #ifdef CONFIG_PM 1300eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1301eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1302f2753ddbSJohannes Berg 1303f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1304f2753ddbSJohannes Berg { 130585f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 130685f72bc8SJohn W. Linville 130785f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 130885f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 130985f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 131085f72bc8SJohn W. Linville 1311f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1312f2753ddbSJohannes Berg } 1313827b1fb4SJohannes Berg #else 1314eecc4800SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw, 1315eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan) 1316827b1fb4SJohannes Berg { 1317827b1fb4SJohannes Berg return 0; 1318827b1fb4SJohannes Berg } 1319f2753ddbSJohannes Berg 1320827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1321827b1fb4SJohannes Berg { 1322827b1fb4SJohannes Berg return 0; 1323827b1fb4SJohannes Berg } 1324827b1fb4SJohannes Berg #endif 1325665af4fcSBob Copeland 1326c2d1560aSJohannes Berg /* utility functions/constants */ 1327c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 132871364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 132905c914feSJohannes Berg enum nl80211_iftype type); 1330c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1331c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1332f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1333e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1334e6d6e342SJohannes Berg gfp_t gfp); 13355825fe10SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); 133662ae67beSJohannes Berg void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 13379c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 13389c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1339d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1340d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1341d91f36dbSJohannes Berg u64 filter, u32 crc); 1342881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 134396dd22acSJohannes Berg enum ieee80211_band band); 1344f0706e82SJiri Benc 1345520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1346520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1347520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1348a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1349a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1350a97b77b9SVivek Natarajan int powersave); 13513cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 13523cf335d5SKalle Valo struct ieee80211_hdr *hdr); 13534e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 135404ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 13551e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1356520eb820SKalle Valo 1357ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1358ce7c9111SKalle Valo enum queue_stop_reason reason); 1359ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1360ce7c9111SKalle Valo enum queue_stop_reason reason); 136196f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 136296f5e66eSJohannes Berg enum queue_stop_reason reason); 136396f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 136496f5e66eSJohannes Berg enum queue_stop_reason reason); 13658f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 13668f77f384SJohannes Berg struct sk_buff *skb); 13678f77f384SJohannes Berg int ieee80211_add_pending_skbs(struct ieee80211_local *local, 13688f77f384SJohannes Berg struct sk_buff_head *skbs); 136950a9432dSJohannes Berg int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 137050a9432dSJohannes Berg struct sk_buff_head *skbs, 137150a9432dSJohannes Berg void (*fn)(void *data), void *data); 1372ce7c9111SKalle Valo 137346900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 137446900298SJohannes Berg u16 transaction, u16 auth_alg, 1375fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1376fffd0934SJohannes Berg const u8 *key, u8 key_len, u8 key_idx); 1377de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 13784d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 1379651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1380651b5225SJouni Malinen u8 channel); 1381a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 138285a237feSJohannes Berg u8 *dst, u32 ratemask, 1383a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1384a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1385a806c558SPaul Stewart bool directed); 138646900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1387de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1388a806c558SPaul Stewart const u8 *ie, size_t ie_len, 138985a237feSJohannes Berg u32 ratemask, bool directed); 139046900298SJohannes Berg 139146900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 139246900298SJohannes Berg const size_t supp_rates_len, 139346900298SJohannes Berg const u8 *supp_rates); 139446900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 139546900298SJohannes Berg struct ieee802_11_elems *elems, 139646900298SJohannes Berg enum ieee80211_band band); 13970f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 13980f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 1399025e6be2SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local); 140046900298SJohannes Berg 14018e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 14028e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 14038e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 14048e664fb3SJohannes Berg 1405af6b6374SJohannes Berg /* internal work items */ 1406af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1407af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1408af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1409af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1410af6b6374SJohannes Berg ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, 1411af6b6374SJohannes Berg struct sk_buff *skb); 1412b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1413b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1414b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1415b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1416b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1417b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1418af6b6374SJohannes Berg 1419f444de05SJohannes Berg /* channel management */ 1420f444de05SJohannes Berg enum ieee80211_chan_mode { 1421f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1422f444de05SJohannes Berg CHAN_MODE_HOPPING, 1423f444de05SJohannes Berg CHAN_MODE_FIXED, 1424f444de05SJohannes Berg }; 1425f444de05SJohannes Berg 1426f444de05SJohannes Berg enum ieee80211_chan_mode 1427f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1428f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 14290aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 14300aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 14310aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 1432f444de05SJohannes Berg 1433f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1434d9e8a70fSJohannes Berg #define debug_noinline noinline 1435d9e8a70fSJohannes Berg #else 1436d9e8a70fSJohannes Berg #define debug_noinline 1437d9e8a70fSJohannes Berg #endif 1438d9e8a70fSJohannes Berg 1439f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1440