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 /* 10000d3f14cSJohannes Berg * During assocation, 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; 205f0706e82SJiri Benc int queue; 20650741ae0SJohannes Berg u32 tkip_iv32; 20750741ae0SJohannes Berg u16 tkip_iv16; 208f0706e82SJiri Benc }; 209f0706e82SJiri Benc 2105dfdaf58SJohannes Berg struct beacon_data { 2115dfdaf58SJohannes Berg u8 *head, *tail; 2125dfdaf58SJohannes Berg int head_len, tail_len; 2135dfdaf58SJohannes Berg int dtim_period; 2145dfdaf58SJohannes Berg }; 2155dfdaf58SJohannes Berg 216f0706e82SJiri Benc struct ieee80211_if_ap { 2175dfdaf58SJohannes Berg struct beacon_data *beacon; 218f0706e82SJiri Benc 2190ec3ca44SJohannes Berg struct list_head vlans; 2200ec3ca44SJohannes Berg 221f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 222f0706e82SJiri Benc * bitmap_empty :) 223004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 224f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 225f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 226056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 2275dfdaf58SJohannes Berg int dtim_count; 228512119b3SChristian Lamparter bool dtim_bc_mc; 229f0706e82SJiri Benc }; 230f0706e82SJiri Benc 231f0706e82SJiri Benc struct ieee80211_if_wds { 232f0706e82SJiri Benc struct sta_info *sta; 233056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 234f0706e82SJiri Benc }; 235f0706e82SJiri Benc 236f0706e82SJiri Benc struct ieee80211_if_vlan { 2370ec3ca44SJohannes Berg struct list_head list; 238f14543eeSFelix Fietkau 239f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 240f14543eeSFelix Fietkau struct sta_info *sta; 241f0706e82SJiri Benc }; 242f0706e82SJiri Benc 243ee385855SLuis Carlos Cobo struct mesh_stats { 244c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 245c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 246c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 247ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 248ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 249ee385855SLuis Carlos Cobo atomic_t estab_plinks; 250ee385855SLuis Carlos Cobo }; 251ee385855SLuis Carlos Cobo 252ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 253ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 254ee385855SLuis Carlos Cobo struct mesh_preq_queue { 255ee385855SLuis Carlos Cobo struct list_head list; 256ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 257ee385855SLuis Carlos Cobo u8 flags; 258ee385855SLuis Carlos Cobo }; 259ee385855SLuis Carlos Cobo 260f679f65dSJohannes Berg enum ieee80211_work_type { 261b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 262af6b6374SJohannes Berg IEEE80211_WORK_DIRECT_PROBE, 263f679f65dSJohannes Berg IEEE80211_WORK_AUTH, 264e5b900d2SJohannes Berg IEEE80211_WORK_ASSOC_BEACON_WAIT, 265f679f65dSJohannes Berg IEEE80211_WORK_ASSOC, 266b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 267f30221e4SJohannes Berg IEEE80211_WORK_OFFCHANNEL_TX, 26877fdaa12SJohannes Berg }; 26977fdaa12SJohannes Berg 270af6b6374SJohannes Berg /** 271af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 272af6b6374SJohannes Berg * 273af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 274af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 275af6b6374SJohannes Berg * should be requeued. 276af6b6374SJohannes Berg */ 277af6b6374SJohannes Berg enum work_done_result { 278af6b6374SJohannes Berg WORK_DONE_DESTROY, 279af6b6374SJohannes Berg WORK_DONE_REQUEUE, 280af6b6374SJohannes Berg }; 281af6b6374SJohannes Berg 282f679f65dSJohannes Berg struct ieee80211_work { 28377fdaa12SJohannes Berg struct list_head list; 284f679f65dSJohannes Berg 285af6b6374SJohannes Berg struct rcu_head rcu_head; 286af6b6374SJohannes Berg 287af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 288af6b6374SJohannes Berg 289af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 290af6b6374SJohannes Berg struct sk_buff *skb); 291af6b6374SJohannes Berg 292f679f65dSJohannes Berg struct ieee80211_channel *chan; 293e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 294af6b6374SJohannes Berg 295f679f65dSJohannes Berg unsigned long timeout; 296f679f65dSJohannes Berg enum ieee80211_work_type type; 297f679f65dSJohannes Berg 298af6b6374SJohannes Berg u8 filter_ta[ETH_ALEN]; 299af6b6374SJohannes Berg 300e4da8c37SJohannes Berg bool started; 301e4da8c37SJohannes Berg 302f679f65dSJohannes Berg union { 303f679f65dSJohannes Berg struct { 304f679f65dSJohannes Berg int tries; 305f679f65dSJohannes Berg u16 algorithm, transaction; 30677fdaa12SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 30777fdaa12SJohannes Berg u8 ssid_len; 308fffd0934SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 309fffd0934SJohannes Berg u8 key_len, key_idx; 310f679f65dSJohannes Berg bool privacy; 311af6b6374SJohannes Berg } probe_auth; 312f679f65dSJohannes Berg struct { 3130c1ad2caSJohannes Berg struct cfg80211_bss *bss; 314f679f65dSJohannes Berg const u8 *supp_rates; 315f679f65dSJohannes Berg const u8 *ht_information_ie; 316af6b6374SJohannes Berg enum ieee80211_smps_mode smps; 317f679f65dSJohannes Berg int tries; 318f679f65dSJohannes Berg u16 capability; 319af6b6374SJohannes Berg u8 prev_bssid[ETH_ALEN]; 320f679f65dSJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 321f679f65dSJohannes Berg u8 ssid_len; 322f679f65dSJohannes Berg u8 supp_rates_len; 323ab13315aSKalle Valo bool wmm_used, use_11n, uapsd_used; 324f679f65dSJohannes Berg } assoc; 325b8bc4b0aSJohannes Berg struct { 326e4da8c37SJohannes Berg u32 duration; 327b8bc4b0aSJohannes Berg } remain; 328f30221e4SJohannes Berg struct { 329f30221e4SJohannes Berg struct sk_buff *frame; 330f30221e4SJohannes Berg u32 wait; 331f30221e4SJohannes Berg } offchan_tx; 332f679f65dSJohannes Berg }; 333fffd0934SJohannes Berg 334f679f65dSJohannes Berg int ie_len; 33577fdaa12SJohannes Berg /* must be last */ 336f679f65dSJohannes Berg u8 ie[0]; 33777fdaa12SJohannes Berg }; 33877fdaa12SJohannes Berg 33946900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 340ab1faeadSJohannes Berg enum ieee80211_sta_flags { 341b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 342b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 343b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 344b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 345b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 346b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 347ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 348375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 34917e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 350ab1faeadSJohannes Berg }; 351ab1faeadSJohannes Berg 35246900298SJohannes Berg struct ieee80211_if_managed { 353056cdd59SJohannes Berg struct timer_list timer; 354b291ba11SJohannes Berg struct timer_list conn_mon_timer; 355b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 356c481ec97SSujith struct timer_list chswitch_timer; 357b291ba11SJohannes Berg struct work_struct monitor_work; 358c481ec97SSujith struct work_struct chswitch_work; 3591e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 36046900298SJohannes Berg 3617ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 362b291ba11SJohannes Berg unsigned long probe_timeout; 363a43abf29SMaxim Levitsky int probe_send_count; 36404ac3c0eSFelix Fietkau bool nullfunc_failed; 365b291ba11SJohannes Berg 36677fdaa12SJohannes Berg struct mutex mtx; 3670c1ad2caSJohannes Berg struct cfg80211_bss *associated; 36846900298SJohannes Berg 36977fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 37046900298SJohannes Berg 371f0706e82SJiri Benc u16 aid; 372f0706e82SJiri Benc 3735bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 374965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 3750f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 376d1f5b7a3SJohannes Berg ap_smps, /* smps mode AP thinks we're in */ 377d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 378d1f5b7a3SJohannes Berg 379d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 380965bedadSJohannes Berg 381d6f2da5bSJiri Slaby unsigned int flags; 382f0706e82SJiri Benc 383d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 384d91f36dbSJohannes Berg u32 beacon_crc; 385d91f36dbSJohannes Berg 386fdfacf0aSJouni Malinen enum { 387fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 388fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 389fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 390fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 391fdfacf0aSJouni Malinen 392f0706e82SJiri Benc int wmm_last_param_set; 3939bc383deSJohannes Berg 3949bc383deSJohannes Berg u8 use_4addr; 39517e4ec14SJouni Malinen 39617e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 39717e4ec14SJouni Malinen int last_beacon_signal; 39817e4ec14SJouni Malinen 39917e4ec14SJouni Malinen /* 40017e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 40117e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 40217e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 40317e4ec14SJouni Malinen * divided by 16 to get the actual value. 40417e4ec14SJouni Malinen */ 40517e4ec14SJouni Malinen int ave_beacon_signal; 40617e4ec14SJouni Malinen 40717e4ec14SJouni Malinen /* 408391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 409391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 410391a200aSJouni Malinen * only on couple of received frames. 411391a200aSJouni Malinen */ 412391a200aSJouni Malinen unsigned int count_beacon_signal; 413391a200aSJouni Malinen 414391a200aSJouni Malinen /* 41517e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 41617e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 41717e4ec14SJouni Malinen * generated for the current association. 41817e4ec14SJouni Malinen */ 41917e4ec14SJouni Malinen int last_cqm_event_signal; 420f0706e82SJiri Benc }; 421f0706e82SJiri Benc 42246900298SJohannes Berg struct ieee80211_if_ibss { 42346900298SJohannes Berg struct timer_list timer; 42446900298SJohannes Berg 4257a17a33cSJohannes Berg struct mutex mtx; 4267a17a33cSJohannes Berg 427af8cdcd8SJohannes Berg unsigned long last_scan_completed; 4285bb644a0SJohannes Berg 429fbd2c8dcSTeemu Paasikivi u32 basic_rates; 430fbd2c8dcSTeemu Paasikivi 4315bb644a0SJohannes Berg bool timer_running; 4325bb644a0SJohannes Berg 433af8cdcd8SJohannes Berg bool fixed_bssid; 434af8cdcd8SJohannes Berg bool fixed_channel; 435fffd0934SJohannes Berg bool privacy; 43646900298SJohannes Berg 43746900298SJohannes Berg u8 bssid[ETH_ALEN]; 438af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 439af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 440af8cdcd8SJohannes Berg u8 *ie; 441af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 44246900298SJohannes Berg 44346900298SJohannes Berg unsigned long ibss_join_req; 444af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 445af8cdcd8SJohannes Berg struct sk_buff *presp, *skb; 44646900298SJohannes Berg 44746900298SJohannes Berg enum { 44846900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 44946900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 45046900298SJohannes Berg } state; 45146900298SJohannes Berg }; 45246900298SJohannes Berg 453472dbc45SJohannes Berg struct ieee80211_if_mesh { 454472dbc45SJohannes Berg struct timer_list housekeeping_timer; 455472dbc45SJohannes Berg struct timer_list mesh_path_timer; 456e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 457472dbc45SJohannes Berg 4585bb644a0SJohannes Berg unsigned long timers_running; 4595bb644a0SJohannes Berg 46018889231SJavier Cardona unsigned long wrkq_flags; 461472dbc45SJohannes Berg 462472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 463472dbc45SJohannes Berg size_t mesh_id_len; 464472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 4653491707aSRui Paulo u8 mesh_pp_id; 466472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 4673491707aSRui Paulo u8 mesh_pm_id; 468472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 4693491707aSRui Paulo u8 mesh_cc_id; 4709e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 4713491707aSRui Paulo u8 mesh_sp_id; 4729e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 4733491707aSRui Paulo u8 mesh_auth_id; 474d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 475d19b3bf6SRui Paulo u32 sn; 476472dbc45SJohannes Berg /* Last used PREQ ID */ 477472dbc45SJohannes Berg u32 preq_id; 478472dbc45SJohannes Berg atomic_t mpaths; 479d19b3bf6SRui Paulo /* Timestamp of last SN update */ 480d19b3bf6SRui Paulo unsigned long last_sn_update; 481d19b3bf6SRui Paulo /* Timestamp of last SN sent */ 482472dbc45SJohannes Berg unsigned long last_preq; 483472dbc45SJohannes Berg struct mesh_rmc *rmc; 484472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 485472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 486472dbc45SJohannes Berg int preq_queue_len; 487472dbc45SJohannes Berg struct mesh_stats mshstats; 488472dbc45SJohannes Berg struct mesh_config mshcfg; 489472dbc45SJohannes Berg u32 mesh_seqnum; 490472dbc45SJohannes Berg bool accepting_plinks; 491c80d545dSJavier Cardona const u8 *vendor_ie; 492c80d545dSJavier Cardona u8 vendor_ie_len; 493472dbc45SJohannes Berg }; 494902acc78SJohannes Berg 495902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 496472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 497472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 498902acc78SJohannes Berg #else 499472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 500902acc78SJohannes Berg do { } while (0) 501902acc78SJohannes Berg #endif 502f0706e82SJiri Benc 503213cd118SJohannes Berg /** 504213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 505213cd118SJohannes Berg * 506213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 507213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 508213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 509213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 510213cd118SJohannes Berg * associated stations and deliver multicast frames both 511213cd118SJohannes Berg * back to wireless media and to the local net stack. 512213cd118SJohannes Berg */ 513213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 514213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 515213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 5167986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 5177986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 518213cd118SJohannes Berg }; 519213cd118SJohannes Berg 52034d4bc4dSJohannes Berg /** 52134d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 52234d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 52334d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 52434d4bc4dSJohannes Berg * change handling while the interface is up 5255b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 5265b714c6aSJohannes Berg * mode, so queues are stopped 52734d4bc4dSJohannes Berg */ 52834d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 52934d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 5305b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 53134d4bc4dSJohannes Berg }; 53234d4bc4dSJohannes Berg 533f0706e82SJiri Benc struct ieee80211_sub_if_data { 534f0706e82SJiri Benc struct list_head list; 535f0706e82SJiri Benc 536f0706e82SJiri Benc struct wireless_dev wdev; 537f0706e82SJiri Benc 53811a843b7SJohannes Berg /* keys */ 53911a843b7SJohannes Berg struct list_head key_list; 54011a843b7SJohannes Berg 541f0706e82SJiri Benc struct net_device *dev; 542f0706e82SJiri Benc struct ieee80211_local *local; 543f0706e82SJiri Benc 54413262ffdSJiri Slaby unsigned int flags; 5457e9ed188SDaniel Drake 54634d4bc4dSJohannes Berg unsigned long state; 54734d4bc4dSJohannes Berg 548f0706e82SJiri Benc int drop_unencrypted; 549f0706e82SJiri Benc 55047846c9bSJohannes Berg char name[IFNAMSIZ]; 55147846c9bSJohannes Berg 552413ad50aSJohannes Berg /* 553413ad50aSJohannes Berg * keep track of whether the HT opmode (stored in 554413ad50aSJohannes Berg * vif.bss_info.ht_operation_mode) is valid. 555413ad50aSJohannes Berg */ 556413ad50aSJohannes Berg bool ht_opmode_valid; 557413ad50aSJohannes Berg 5587da7cc1dSJohannes Berg /* to detect idle changes */ 5597da7cc1dSJohannes Berg bool old_idle; 5607da7cc1dSJohannes Berg 561f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 562f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 563f0706e82SJiri Benc unsigned int fragment_next; 564f0706e82SJiri Benc 5653cfcf6acSJouni Malinen struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 566f7e0104cSJohannes Berg struct ieee80211_key *default_unicast_key, *default_multicast_key; 5673cfcf6acSJouni Malinen struct ieee80211_key *default_mgmt_key; 568f0706e82SJiri Benc 56994778280SJohannes Berg u16 sequence_number; 570a621fa4dSJohannes Berg __be16 control_port_protocol; 571a621fa4dSJohannes Berg bool control_port_no_encrypt; 57294778280SJohannes Berg 57364592c8fSJohannes Berg struct work_struct work; 57435f20c14SJohannes Berg struct sk_buff_head skb_queue; 57535f20c14SJohannes Berg 57668542962SJuuso Oikarinen bool arp_filter_state; 57768542962SJuuso Oikarinen 5783e122be0SJohannes Berg /* 5793e122be0SJohannes Berg * AP this belongs to: self in AP mode and 5803e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 5813e122be0SJohannes Berg * all others (might be needed later in IBSS) 5823e122be0SJohannes Berg */ 5833e122be0SJohannes Berg struct ieee80211_if_ap *bss; 5843e122be0SJohannes Berg 58537eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 58637eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 587f0706e82SJiri Benc 588f0706e82SJiri Benc union { 589f0706e82SJiri Benc struct ieee80211_if_ap ap; 590f0706e82SJiri Benc struct ieee80211_if_wds wds; 591f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 59246900298SJohannes Berg struct ieee80211_if_managed mgd; 59346900298SJohannes Berg struct ieee80211_if_ibss ibss; 594472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 5958cc9a739SMichael Wu u32 mntr_flags; 596f0706e82SJiri Benc } u; 597e9f207f0SJiri Benc 598e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 599e9f207f0SJiri Benc struct { 6007bcfaf2fSJohannes Berg struct dentry *dir; 601295bafb4SBen Greear struct dentry *subdir_stations; 602f7e0104cSJohannes Berg struct dentry *default_unicast_key; 603f7e0104cSJohannes Berg struct dentry *default_multicast_key; 6043cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 6057bcfaf2fSJohannes Berg } debugfs; 606e9f207f0SJiri Benc #endif 60732bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 60832bfd35dSJohannes Berg struct ieee80211_vif vif; 609f0706e82SJiri Benc }; 610f0706e82SJiri Benc 61132bfd35dSJohannes Berg static inline 61232bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 61332bfd35dSJohannes Berg { 61432bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 61532bfd35dSJohannes Berg } 61632bfd35dSJohannes Berg 617c1475ca9SJohannes Berg enum sdata_queue_type { 618c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 619c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 620c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 621c1475ca9SJohannes Berg }; 622c1475ca9SJohannes Berg 623f0706e82SJiri Benc enum { 624f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 625f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 626f0706e82SJiri Benc }; 627f0706e82SJiri Benc 628ce7c9111SKalle Valo enum queue_stop_reason { 629ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 630520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 63196f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 63296f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 63325420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 6348f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 635ce7c9111SKalle Valo }; 636ce7c9111SKalle Valo 63765a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 638e1e54068SJohannes Berg struct tpt_led_trigger { 639e1e54068SJohannes Berg struct led_trigger trig; 640e1e54068SJohannes Berg char name[32]; 641e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 642e1e54068SJohannes Berg unsigned int blink_table_len; 643e1e54068SJohannes Berg struct timer_list timer; 644e1e54068SJohannes Berg unsigned long prev_traffic; 645e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 64667408c8cSJohannes Berg unsigned int active, want; 64767408c8cSJohannes Berg bool running; 648e1e54068SJohannes Berg }; 64965a6538aSLuciano Coelho #endif 650e1e54068SJohannes Berg 651142b9f50SHelmut Schaa /** 652142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 653142b9f50SHelmut Schaa * 654142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 655142b9f50SHelmut Schaa * well be on the operating channel 656142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 657142b9f50SHelmut Schaa * determine if we are on the operating channel or not 6588789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 6598789d459SJohannes Berg * that the scan completed. 6608789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 6618789d459SJohannes Berg * a scan complete for an aborted scan. 662142b9f50SHelmut Schaa */ 663fbe9c429SHelmut Schaa enum { 664fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 665142b9f50SHelmut Schaa SCAN_HW_SCANNING, 6668789d459SJohannes Berg SCAN_COMPLETED, 6678789d459SJohannes Berg SCAN_ABORTED, 668142b9f50SHelmut Schaa }; 669142b9f50SHelmut Schaa 670142b9f50SHelmut Schaa /** 671142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 672142b9f50SHelmut Schaa * 673142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 674142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 675142b9f50SHelmut Schaa * operating channel 676142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 677142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 678142b9f50SHelmut Schaa * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP 679142b9f50SHelmut Schaa * about us leaving the channel and stop all associated STA interfaces 680142b9f50SHelmut Schaa * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the 681142b9f50SHelmut Schaa * AP about us being back and restart all associated STA interfaces 682142b9f50SHelmut Schaa */ 683142b9f50SHelmut Schaa enum mac80211_scan_state { 684142b9f50SHelmut Schaa SCAN_DECISION, 685142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 686142b9f50SHelmut Schaa SCAN_SEND_PROBE, 687142b9f50SHelmut Schaa SCAN_LEAVE_OPER_CHANNEL, 688142b9f50SHelmut Schaa SCAN_ENTER_OPER_CHANNEL, 689fbe9c429SHelmut Schaa }; 690fbe9c429SHelmut Schaa 691f0706e82SJiri Benc struct ieee80211_local { 692f0706e82SJiri Benc /* embed the driver visible part. 693f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 694f0706e82SJiri Benc * it first anyway so they become a no-op */ 695f0706e82SJiri Benc struct ieee80211_hw hw; 696f0706e82SJiri Benc 697f0706e82SJiri Benc const struct ieee80211_ops *ops; 698f0706e82SJiri Benc 69942935ecaSLuis R. Rodriguez /* 700af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 701af6b6374SJohannes Berg */ 702af6b6374SJohannes Berg struct list_head work_list; 703af6b6374SJohannes Berg struct timer_list work_timer; 704af6b6374SJohannes Berg struct work_struct work_work; 705af6b6374SJohannes Berg struct sk_buff_head work_skb_queue; 706af6b6374SJohannes Berg 707af6b6374SJohannes Berg /* 70842935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 70942935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 71042935ecaSLuis R. Rodriguez */ 71142935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 71242935ecaSLuis R. Rodriguez 713e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 71496f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 715ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 71696f5e66eSJohannes Berg 717f0706e82SJiri Benc int open_count; 7183d30d949SMichael Wu int monitors, cooked_mntrs; 7198cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 7207be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 7217be5086dSJohannes Berg fif_probe_req; 7227be5086dSJohannes Berg int probe_req_reg; 7234150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 7243b8d81e0SJohannes Berg 7253ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 7263ffc2a90SJohannes Berg 7273b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 7283b8d81e0SJohannes Berg spinlock_t filter_lock; 7293b8d81e0SJohannes Berg 7303ac64beeSJohannes Berg /* used for uploading changed mc list */ 7313ac64beeSJohannes Berg struct work_struct reconfig_filter; 7323ac64beeSJohannes Berg 7330f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 7340f78231bSJohannes Berg struct work_struct recalc_smps; 7350f78231bSJohannes Berg 7363b8d81e0SJohannes Berg /* aggregated multicast list */ 73722bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 7383b8d81e0SJohannes Berg 739d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 7405bb644a0SJohannes Berg 7415bb644a0SJohannes Berg /* 7425bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 7435bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 7445bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 7455bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 7465bb644a0SJohannes Berg */ 7475bb644a0SJohannes Berg bool suspended; 7485bb644a0SJohannes Berg 7495bb644a0SJohannes Berg /* 750ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 751ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 752ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 753ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 754ceb99fe0SJohannes Berg */ 755ceb99fe0SJohannes Berg bool resuming; 756ceb99fe0SJohannes Berg 757ceb99fe0SJohannes Berg /* 7585bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 7595bb644a0SJohannes Berg * ease timer cancelling etc. 7605bb644a0SJohannes Berg */ 7615bb644a0SJohannes Berg bool quiescing; 7625bb644a0SJohannes Berg 763ea77f12fSJohannes Berg /* device is started */ 764ea77f12fSJohannes Berg bool started; 765ea77f12fSJohannes Berg 766b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 767f0706e82SJiri Benc 768f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 769f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 770f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 771f0706e82SJiri Benc * queues increases over the limit. */ 772f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 773f0706e82SJiri Benc struct tasklet_struct tasklet; 774f0706e82SJiri Benc struct sk_buff_head skb_queue; 775f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 776f0706e82SJiri Benc 77724a8fdadSChristian Lamparter /* 77824a8fdadSChristian Lamparter * Internal FIFO queue which is shared between multiple rx path 77924a8fdadSChristian Lamparter * stages. Its main task is to provide a serialization mechanism, 78024a8fdadSChristian Lamparter * so all rx handlers can enjoy having exclusive access to their 78124a8fdadSChristian Lamparter * private data structures. 78224a8fdadSChristian Lamparter */ 78324a8fdadSChristian Lamparter struct sk_buff_head rx_skb_queue; 78424a8fdadSChristian Lamparter bool running_rx_handler; /* protected by rx_skb_queue.lock */ 78524a8fdadSChristian Lamparter 786d0709a65SJohannes Berg /* Station data */ 787d0709a65SJohannes Berg /* 78834e89507SJohannes Berg * The mutex only protects the list and counter, 78934e89507SJohannes Berg * reads are done in RCU. 79034e89507SJohannes Berg * Additionally, the lock protects the hash table, 79134e89507SJohannes Berg * the pending list and each BSS's TIM bitmap. 792d0709a65SJohannes Berg */ 79334e89507SJohannes Berg struct mutex sta_mtx; 794d0709a65SJohannes Berg spinlock_t sta_lock; 795d0709a65SJohannes Berg unsigned long num_sta; 79634e89507SJohannes Berg struct list_head sta_list, sta_pending_list; 797f0706e82SJiri Benc struct sta_info *sta_hash[STA_HASH_SIZE]; 798f0706e82SJiri Benc struct timer_list sta_cleanup; 79934e89507SJohannes Berg struct work_struct sta_finish_work; 800f5ea9120SJohannes Berg int sta_generation; 801f0706e82SJiri Benc 8022a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 803f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 804f0706e82SJiri Benc 805a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 806cd8ffc80SJohannes Berg 807f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 80853918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 809f0706e82SJiri Benc 810f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 811f0706e82SJiri Benc 812f0706e82SJiri Benc struct crypto_blkcipher *wep_tx_tfm; 813f0706e82SJiri Benc struct crypto_blkcipher *wep_rx_tfm; 814f0706e82SJiri Benc u32 wep_iv; 815f0706e82SJiri Benc 816c771c9d8SJohannes Berg /* see iface.c */ 81779010420SJohannes Berg struct list_head interfaces; 818c771c9d8SJohannes Berg struct mutex iflist_mtx; 81979010420SJohannes Berg 820b16bd15cSJohannes Berg /* 821ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 822b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 823b16bd15cSJohannes Berg */ 824ad0e2b5aSJohannes Berg struct mutex key_mtx; 825b16bd15cSJohannes Berg 826a1699b75SJohannes Berg /* mutex for scan and work locking */ 827a1699b75SJohannes Berg struct mutex mtx; 828b16bd15cSJohannes Berg 829c2b13452SJohannes Berg /* Scanning and BSS list */ 830fbe9c429SHelmut Schaa unsigned long scanning; 8312a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 8325ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 8334d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 8342a519311SJohannes Berg struct ieee80211_channel *scan_channel; 8354d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 836f0706e82SJiri Benc int scan_channel_idx; 837de95a54bSJohannes Berg int scan_ies_len; 8388318d78aSJohannes Berg 839df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 840977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 841f0706e82SJiri Benc struct delayed_work scan_work; 842491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 8430aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 8442a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 845f0706e82SJiri Benc 846b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 847b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 848b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 849b8bc4b0aSJohannes Berg 850f0706e82SJiri Benc /* SNMP counters */ 851f0706e82SJiri Benc /* dot11CountersTable */ 852f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 853f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 854f0706e82SJiri Benc u32 dot11FailedCount; 855f0706e82SJiri Benc u32 dot11RetryCount; 856f0706e82SJiri Benc u32 dot11MultipleRetryCount; 857f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 858f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 859f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 860f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 861f0706e82SJiri Benc 862f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 863f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 864cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 865e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 866cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 867cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 868f0706e82SJiri Benc #endif 869f0706e82SJiri Benc 870f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 871f0706e82SJiri Benc /* TX/RX handler statistics */ 872f0706e82SJiri Benc unsigned int tx_handlers_drop; 873f0706e82SJiri Benc unsigned int tx_handlers_queued; 874f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 875f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 876f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 877f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 878f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 879f0706e82SJiri Benc unsigned int rx_handlers_drop; 880f0706e82SJiri Benc unsigned int rx_handlers_queued; 881f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 882f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 883f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 884f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 885f0706e82SJiri Benc unsigned int tx_expand_skb_head; 886f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 887f0706e82SJiri Benc unsigned int rx_expand_skb_head; 888f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 889f0706e82SJiri Benc unsigned int rx_handlers_fragments; 890f0706e82SJiri Benc unsigned int tx_status_drop; 891f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 892f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 893f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 894f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 895f0706e82SJiri Benc 896f0706e82SJiri Benc 897f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 898f0706e82SJiri Benc * multicast packets for power saving stations 899f0706e82SJiri Benc */ 900f0706e82SJiri Benc int wifi_wme_noack_test; 901f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 902520eb820SKalle Valo 90350ae0cf1SKalle Valo /* 90450ae0cf1SKalle Valo * Bitmask of enabled u-apsd queues, 90550ae0cf1SKalle Valo * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 90650ae0cf1SKalle Valo * to take effect. 90750ae0cf1SKalle Valo */ 90850ae0cf1SKalle Valo unsigned int uapsd_queues; 90950ae0cf1SKalle Valo 91050ae0cf1SKalle Valo /* 91150ae0cf1SKalle Valo * Maximum number of buffered frames AP can deliver during a 91250ae0cf1SKalle Valo * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 91350ae0cf1SKalle Valo * Needs a new association to take effect. 91450ae0cf1SKalle Valo */ 91550ae0cf1SKalle Valo unsigned int uapsd_max_sp_len; 91650ae0cf1SKalle Valo 917572e0012SKalle Valo bool pspolling; 918b203ffc3SJouni Malinen bool offchannel_ps_enabled; 919965bedadSJohannes Berg /* 920965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 921965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 922965bedadSJohannes Berg */ 923965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 924520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 925520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 926520eb820SKalle Valo struct timer_list dynamic_ps_timer; 92710f644a4SJohannes Berg struct notifier_block network_latency_notifier; 9282b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 929f0706e82SJiri Benc 930ff616381SJuuso Oikarinen /* 931ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 932ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 933ff616381SJuuso Oikarinen */ 934ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 935f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 936f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 937ff616381SJuuso Oikarinen 9382bf30fabSJohannes Berg int user_power_level; /* in dBm */ 939a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 9402bf30fabSJohannes Berg 9410f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 9420f78231bSJohannes Berg 943f2753ddbSJohannes Berg struct work_struct restart_work; 944f2753ddbSJohannes Berg 945e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 946e9f207f0SJiri Benc struct local_debugfsdentries { 9474b7679a5SJohannes Berg struct dentry *rcdir; 948e9f207f0SJiri Benc struct dentry *keys; 949e9f207f0SJiri Benc } debugfs; 950e9f207f0SJiri Benc #endif 9514e6cbfd0SJohn W. Linville 95221f83589SJohannes Berg struct ieee80211_channel *hw_roc_channel; 95321f83589SJohannes Berg struct net_device *hw_roc_dev; 95490fc4b3aSJohannes Berg struct sk_buff *hw_roc_skb; 95521f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 95621f83589SJohannes Berg enum nl80211_channel_type hw_roc_channel_type; 95721f83589SJohannes Berg unsigned int hw_roc_duration; 95821f83589SJohannes Berg u32 hw_roc_cookie; 95990fc4b3aSJohannes Berg bool hw_roc_for_tx; 96021f83589SJohannes Berg 9614e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 9624e6cbfd0SJohn W. Linville struct net_device napi_dev; 9634e6cbfd0SJohn W. Linville 9644e6cbfd0SJohn W. Linville struct napi_struct napi; 965f0706e82SJiri Benc }; 966f0706e82SJiri Benc 9673e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 9683e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 9693e122be0SJohannes Berg { 9703e122be0SJohannes Berg return netdev_priv(dev); 9713e122be0SJohannes Berg } 9723e122be0SJohannes Berg 973c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 974eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 975eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 976eadc8d9eSRon Rindjunsky u16 tid; 977eadc8d9eSRon Rindjunsky }; 978eadc8d9eSRon Rindjunsky 979ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 980ee385855SLuis Carlos Cobo struct ieee802_11_elems { 98143ac2ca3SJouni Malinen u8 *ie_start; 98243ac2ca3SJouni Malinen size_t total_len; 98343ac2ca3SJouni Malinen 984ee385855SLuis Carlos Cobo /* pointers to IEs */ 985ee385855SLuis Carlos Cobo u8 *ssid; 986ee385855SLuis Carlos Cobo u8 *supp_rates; 987ee385855SLuis Carlos Cobo u8 *fh_params; 988ee385855SLuis Carlos Cobo u8 *ds_params; 989ee385855SLuis Carlos Cobo u8 *cf_params; 990e7ec86f5SJohannes Berg struct ieee80211_tim_ie *tim; 991ee385855SLuis Carlos Cobo u8 *ibss_params; 992ee385855SLuis Carlos Cobo u8 *challenge; 993ee385855SLuis Carlos Cobo u8 *wpa; 994ee385855SLuis Carlos Cobo u8 *rsn; 995ee385855SLuis Carlos Cobo u8 *erp_info; 996ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 997ee385855SLuis Carlos Cobo u8 *wmm_info; 998ee385855SLuis Carlos Cobo u8 *wmm_param; 99909914813SJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1000d9fe60deSJohannes Berg struct ieee80211_ht_info *ht_info_elem; 1001136cfa28SRui Paulo struct ieee80211_meshconf_ie *mesh_config; 1002ee385855SLuis Carlos Cobo u8 *mesh_id; 1003ee385855SLuis Carlos Cobo u8 *peer_link; 1004ee385855SLuis Carlos Cobo u8 *preq; 1005ee385855SLuis Carlos Cobo u8 *prep; 1006ee385855SLuis Carlos Cobo u8 *perr; 100790a5e169SRui Paulo struct ieee80211_rann_ie *rann; 1008f2df3859SAssaf Krauss u8 *ch_switch_elem; 1009f2df3859SAssaf Krauss u8 *country_elem; 1010f2df3859SAssaf Krauss u8 *pwr_constr_elem; 1011f2df3859SAssaf Krauss u8 *quiet_elem; /* first quite element */ 1012f797eb7eSJouni Malinen u8 *timeout_int; 1013ee385855SLuis Carlos Cobo 1014ee385855SLuis Carlos Cobo /* length of them, respectively */ 1015ee385855SLuis Carlos Cobo u8 ssid_len; 1016ee385855SLuis Carlos Cobo u8 supp_rates_len; 1017ee385855SLuis Carlos Cobo u8 fh_params_len; 1018ee385855SLuis Carlos Cobo u8 ds_params_len; 1019ee385855SLuis Carlos Cobo u8 cf_params_len; 1020ee385855SLuis Carlos Cobo u8 tim_len; 1021ee385855SLuis Carlos Cobo u8 ibss_params_len; 1022ee385855SLuis Carlos Cobo u8 challenge_len; 1023ee385855SLuis Carlos Cobo u8 wpa_len; 1024ee385855SLuis Carlos Cobo u8 rsn_len; 1025ee385855SLuis Carlos Cobo u8 erp_info_len; 1026ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 1027ee385855SLuis Carlos Cobo u8 wmm_info_len; 1028ee385855SLuis Carlos Cobo u8 wmm_param_len; 1029ee385855SLuis Carlos Cobo u8 mesh_id_len; 1030ee385855SLuis Carlos Cobo u8 peer_link_len; 1031ee385855SLuis Carlos Cobo u8 preq_len; 1032ee385855SLuis Carlos Cobo u8 prep_len; 1033ee385855SLuis Carlos Cobo u8 perr_len; 1034f2df3859SAssaf Krauss u8 ch_switch_elem_len; 1035f2df3859SAssaf Krauss u8 country_elem_len; 1036f2df3859SAssaf Krauss u8 pwr_constr_elem_len; 1037f2df3859SAssaf Krauss u8 quiet_elem_len; 1038f2df3859SAssaf Krauss u8 num_of_quiet_elem; /* can be more the one */ 1039f797eb7eSJouni Malinen u8 timeout_int_len; 1040ee385855SLuis Carlos Cobo }; 1041ee385855SLuis Carlos Cobo 1042f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1043f0706e82SJiri Benc struct ieee80211_hw *hw) 1044f0706e82SJiri Benc { 1045f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1046f0706e82SJiri Benc } 1047f0706e82SJiri Benc 1048f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 1049f0706e82SJiri Benc struct ieee80211_local *local) 1050f0706e82SJiri Benc { 1051f0706e82SJiri Benc return &local->hw; 1052f0706e82SJiri Benc } 1053f0706e82SJiri Benc 1054f0706e82SJiri Benc 1055571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1056571ecf67SJohannes Berg { 1057571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 1058571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1059571ecf67SJohannes Berg } 1060571ecf67SJohannes Berg 1061571ecf67SJohannes Berg 1062e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 10635cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 10649c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 10659c6bd790SJohannes Berg u32 changed); 10660d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 106746900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1068f0706e82SJiri Benc 1069f38fd12fSJohannes Berg extern bool ieee80211_disable_40mhz_24ghz; 1070f38fd12fSJohannes Berg 107146900298SJohannes Berg /* STA code */ 10729c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 107377fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 107477fdaa12SJohannes Berg struct cfg80211_auth_request *req); 107577fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 107677fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 107777fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 1078667503ddSJohannes Berg struct cfg80211_deauth_request *req, 1079667503ddSJohannes Berg void *cookie); 108077fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 1081667503ddSJohannes Berg struct cfg80211_disassoc_request *req, 1082667503ddSJohannes Berg void *cookie); 1083572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1084572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 108510f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 108610f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 108710f644a4SJohannes Berg unsigned long data, void *dummy); 10882b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1089cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1090cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 10915ce6e438SJohannes Berg struct ieee80211_bss *bss, 10925ce6e438SJohannes Berg u64 timestamp); 10935bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 10945bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 10951fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 10961fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 10971fa57d01SJohannes Berg struct sk_buff *skb); 1098d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1099be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 11009c6bd790SJohannes Berg 110146900298SJohannes Berg /* IBSS code */ 110246900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 110346900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 110446900298SJohannes Berg struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, 110534e89507SJohannes Berg u8 *bssid, u8 *addr, u32 supp_rates, 110634e89507SJohannes Berg gfp_t gfp); 1107af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1108af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1109af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 11105bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 11115bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 11121fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 11131fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11141fa57d01SJohannes Berg struct sk_buff *skb); 11151fa57d01SJohannes Berg 11161fa57d01SJohannes Berg /* mesh code */ 11171fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 11181fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 11191fa57d01SJohannes Berg struct sk_buff *skb); 112046900298SJohannes Berg 11219c6bd790SJohannes Berg /* scan/BSS handling */ 112246900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1123f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1124be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1125be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1126c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 11272a519311SJohannes Berg struct cfg80211_scan_request *req); 11285bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1129c2b13452SJohannes Berg ieee80211_rx_result 1130f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 11319c6bd790SJohannes Berg 11320a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1133c2b13452SJohannes Berg struct ieee80211_bss * 113498c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 113598c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 113698c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 113798c8fccfSJohannes Berg size_t len, 113898c8fccfSJohannes Berg struct ieee802_11_elems *elems, 11392a519311SJohannes Berg struct ieee80211_channel *channel, 11402a519311SJohannes Berg bool beacon); 1141c2b13452SJohannes Berg struct ieee80211_bss * 11425484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 11435484e237SJohannes Berg u8 *ssid, u8 ssid_len); 114498c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1145c2b13452SJohannes Berg struct ieee80211_bss *bss); 1146ee385855SLuis Carlos Cobo 1147b203ffc3SJouni Malinen /* off-channel helpers */ 1148*b23b025fSBen Greear bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local); 1149*b23b025fSBen Greear void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local, 1150*b23b025fSBen Greear bool tell_ap); 1151*b23b025fSBen Greear void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, 1152*b23b025fSBen Greear bool offchannel_ps_enable); 1153b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1154*b23b025fSBen Greear bool enable_beaconing, 1155*b23b025fSBen Greear bool offchannel_ps_disable); 115621f83589SJohannes Berg void ieee80211_hw_roc_setup(struct ieee80211_local *local); 1157b203ffc3SJouni Malinen 11583e122be0SJohannes Berg /* interface handling */ 115947846c9bSJohannes Berg int ieee80211_iface_init(void); 116047846c9bSJohannes Berg void ieee80211_iface_exit(void); 11613e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 116205c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1163ee385855SLuis Carlos Cobo struct vif_params *params); 1164f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 116505c914feSJohannes Berg enum nl80211_iftype type); 1166f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 116775636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 11685cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 11695cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 117085416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 117185416a4fSChristian Lamparter const int offset); 1172f0706e82SJiri Benc 11739607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 11749607e6b6SJohannes Berg { 117534d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 11769607e6b6SJohannes Berg } 11779607e6b6SJohannes Berg 1178e2ebc74dSJohannes Berg /* tx handling */ 1179e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1180e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1181d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1182d0cf9c0dSStephen Hemminger struct net_device *dev); 1183d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1184d0cf9c0dSStephen Hemminger struct net_device *dev); 1185e2ebc74dSJohannes Berg 1186fe7a5d5cSJohannes Berg /* 1187fe7a5d5cSJohannes Berg * radiotap header for status frames 1188fe7a5d5cSJohannes Berg */ 1189fe7a5d5cSJohannes Berg struct ieee80211_tx_status_rtap_hdr { 1190fe7a5d5cSJohannes Berg struct ieee80211_radiotap_header hdr; 1191fe7a5d5cSJohannes Berg u8 rate; 1192fe7a5d5cSJohannes Berg u8 padding_for_rate; 1193fe7a5d5cSJohannes Berg __le16 tx_flags; 1194fe7a5d5cSJohannes Berg u8 data_retries; 1195bc10502dSEric Dumazet } __packed; 1196fe7a5d5cSJohannes Berg 1197fe7a5d5cSJohannes Berg 1198de1ede7aSJohannes Berg /* HT */ 1199ae5eb026SJohannes Berg void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, 1200ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1201d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1202de1ede7aSJohannes Berg void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); 1203b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1204b8695a8fSJohannes Berg const u8 *da, u16 tid, 1205b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 12060f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 12070f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 12080f78231bSJohannes Berg const u8 *bssid); 1209d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1210de1ede7aSJohannes Berg 12117c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 121253f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1213849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 121453f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 121553f73c09SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); 1216de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1217de1ede7aSJohannes Berg struct sta_info *sta, 1218de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1219de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1220de1ede7aSJohannes Berg struct sta_info *sta, 1221de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1222de1ede7aSJohannes Berg size_t len); 1223de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1224de1ede7aSJohannes Berg struct sta_info *sta, 1225de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1226de1ede7aSJohannes Berg size_t len); 1227de1ede7aSJohannes Berg 1228849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 122953f73c09SJohannes Berg enum ieee80211_back_parties initiator, 123053f73c09SJohannes Berg bool tx); 123167c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 123253f73c09SJohannes Berg enum ieee80211_back_parties initiator, 123353f73c09SJohannes Berg bool tx); 12345d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 12355d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 123667c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 123767c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 12382bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1239849b7967SJohannes Berg 124039192c0bSJohannes Berg /* Spectrum management */ 124139192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 124239192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 124339192c0bSJohannes Berg size_t len); 124439192c0bSJohannes Berg 1245f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1246f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 124784f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1248f2753ddbSJohannes Berg 1249827b1fb4SJohannes Berg #ifdef CONFIG_PM 1250665af4fcSBob Copeland int __ieee80211_suspend(struct ieee80211_hw *hw); 1251f2753ddbSJohannes Berg 1252f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1253f2753ddbSJohannes Berg { 125485f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 125585f72bc8SJohn W. Linville 125685f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 125785f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 125885f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 125985f72bc8SJohn W. Linville 1260f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1261f2753ddbSJohannes Berg } 1262827b1fb4SJohannes Berg #else 1263827b1fb4SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw) 1264827b1fb4SJohannes Berg { 1265827b1fb4SJohannes Berg return 0; 1266827b1fb4SJohannes Berg } 1267f2753ddbSJohannes Berg 1268827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1269827b1fb4SJohannes Berg { 1270827b1fb4SJohannes Berg return 0; 1271827b1fb4SJohannes Berg } 1272827b1fb4SJohannes Berg #endif 1273665af4fcSBob Copeland 1274c2d1560aSJohannes Berg /* utility functions/constants */ 1275c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 127671364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 127705c914feSJohannes Berg enum nl80211_iftype type); 1278c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1279c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1280f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1281e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1282e6d6e342SJohannes Berg gfp_t gfp); 12835825fe10SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); 128462ae67beSJohannes Berg void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 12859c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 12869c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1287d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1288d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1289d91f36dbSJohannes Berg u64 filter, u32 crc); 1290881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 129196dd22acSJohannes Berg enum ieee80211_band band); 1292f0706e82SJiri Benc 1293520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1294520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1295520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1296a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1297a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1298a97b77b9SVivek Natarajan int powersave); 12993cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 13003cf335d5SKalle Valo struct ieee80211_hdr *hdr); 13014e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 130204ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 13031e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1304520eb820SKalle Valo 1305ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1306ce7c9111SKalle Valo enum queue_stop_reason reason); 1307ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1308ce7c9111SKalle Valo enum queue_stop_reason reason); 130996f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 131096f5e66eSJohannes Berg enum queue_stop_reason reason); 131196f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 131296f5e66eSJohannes Berg enum queue_stop_reason reason); 13138f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 13148f77f384SJohannes Berg struct sk_buff *skb); 13158f77f384SJohannes Berg int ieee80211_add_pending_skbs(struct ieee80211_local *local, 13168f77f384SJohannes Berg struct sk_buff_head *skbs); 131750a9432dSJohannes Berg int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 131850a9432dSJohannes Berg struct sk_buff_head *skbs, 131950a9432dSJohannes Berg void (*fn)(void *data), void *data); 1320ce7c9111SKalle Valo 132146900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 132246900298SJohannes Berg u16 transaction, u16 auth_alg, 1323fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1324fffd0934SJohannes Berg const u8 *key, u8 key_len, u8 key_idx); 1325de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 13264d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 1327651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1328651b5225SJouni Malinen u8 channel); 1329a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 1330a619a4c0SJuuso Oikarinen u8 *dst, 1331a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1332a619a4c0SJuuso Oikarinen const u8 *ie, size_t ie_len); 133346900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1334de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1335de95a54bSJohannes Berg const u8 *ie, size_t ie_len); 133646900298SJohannes Berg 133746900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 133846900298SJohannes Berg const size_t supp_rates_len, 133946900298SJohannes Berg const u8 *supp_rates); 134046900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 134146900298SJohannes Berg struct ieee802_11_elems *elems, 134246900298SJohannes Berg enum ieee80211_band band); 13430f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 13440f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 1345025e6be2SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local); 134646900298SJohannes Berg 13478e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 13488e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 13498e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 13508e664fb3SJohannes Berg 1351af6b6374SJohannes Berg /* internal work items */ 1352af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1353af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1354af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1355af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1356af6b6374SJohannes Berg ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, 1357af6b6374SJohannes Berg struct sk_buff *skb); 1358b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1359b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1360b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1361b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1362b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1363b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1364af6b6374SJohannes Berg 1365f444de05SJohannes Berg /* channel management */ 1366f444de05SJohannes Berg enum ieee80211_chan_mode { 1367f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1368f444de05SJohannes Berg CHAN_MODE_HOPPING, 1369f444de05SJohannes Berg CHAN_MODE_FIXED, 1370f444de05SJohannes Berg }; 1371f444de05SJohannes Berg 1372f444de05SJohannes Berg enum ieee80211_chan_mode 1373f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1374f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 13750aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 13760aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 13770aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 1378f444de05SJohannes Berg 1379f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1380d9e8a70fSJohannes Berg #define debug_noinline noinline 1381d9e8a70fSJohannes Berg #else 1382d9e8a70fSJohannes Berg #define debug_noinline 1383d9e8a70fSJohannes Berg #endif 1384d9e8a70fSJohannes Berg 1385f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1386