1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5026331c4SJouni Malinen * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 6f0706e82SJiri Benc * 7f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 8f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 9f0706e82SJiri Benc * published by the Free Software Foundation. 10f0706e82SJiri Benc */ 11f0706e82SJiri Benc 12f0706e82SJiri Benc #ifndef IEEE80211_I_H 13f0706e82SJiri Benc #define IEEE80211_I_H 14f0706e82SJiri Benc 15f0706e82SJiri Benc #include <linux/kernel.h> 16f0706e82SJiri Benc #include <linux/device.h> 17f0706e82SJiri Benc #include <linux/if_ether.h> 18f0706e82SJiri Benc #include <linux/interrupt.h> 19f0706e82SJiri Benc #include <linux/list.h> 20f0706e82SJiri Benc #include <linux/netdevice.h> 21f0706e82SJiri Benc #include <linux/skbuff.h> 22f0706e82SJiri Benc #include <linux/workqueue.h> 23f0706e82SJiri Benc #include <linux/types.h> 24f0706e82SJiri Benc #include <linux/spinlock.h> 25571ecf67SJohannes Berg #include <linux/etherdevice.h> 26e1e54068SJohannes Berg #include <linux/leds.h> 27a729cff8SJohannes Berg #include <linux/idr.h> 28fe7a5d5cSJohannes Berg #include <net/ieee80211_radiotap.h> 2993da9cc1Scolin@cozybit.com #include <net/cfg80211.h> 3051cb6db0SDavid S. Miller #include <net/mac80211.h> 312c8dccc7SJohannes Berg #include "key.h" 32f0706e82SJiri Benc #include "sta_info.h" 33f0706e82SJiri Benc 349cfb0009SJohannes Berg struct ieee80211_local; 35f0706e82SJiri Benc 36f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 37f0706e82SJiri Benc * associated stations are using power saving. */ 38f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 39f0706e82SJiri Benc 40f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 41f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 42f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 43f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 44f0706e82SJiri Benc 45f0706e82SJiri Benc /* Required encryption head and tailroom */ 46f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 47765cb46aSJouni Malinen #define IEEE80211_ENCRYPT_TAILROOM 18 48f0706e82SJiri Benc 49f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 50f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 51f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 52f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 53f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 54f0706e82SJiri Benc 5512d3952fSFelix Fietkau #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 5612d3952fSFelix Fietkau #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 5720ad19d0SJohannes Berg 58ab13315aSKalle Valo #define IEEE80211_DEFAULT_UAPSD_QUEUES \ 59ab13315aSKalle Valo (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ 60ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ 61ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ 62ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) 63ab13315aSKalle Valo 64ab13315aSKalle Valo #define IEEE80211_DEFAULT_MAX_SP_LEN \ 65ab13315aSKalle Valo IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 66ab13315aSKalle Valo 67f0706e82SJiri Benc struct ieee80211_fragment_entry { 68f0706e82SJiri Benc unsigned long first_frag_time; 69f0706e82SJiri Benc unsigned int seq; 70f0706e82SJiri Benc unsigned int rx_queue; 71f0706e82SJiri Benc unsigned int last_frag; 72f0706e82SJiri Benc unsigned int extra_len; 73f0706e82SJiri Benc struct sk_buff_head skb_list; 74f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 75f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 76f0706e82SJiri Benc }; 77f0706e82SJiri Benc 78f0706e82SJiri Benc 79c2b13452SJohannes Berg struct ieee80211_bss { 8000d3f14cSJohannes Berg /* don't want to look up all the time */ 81056cdd59SJohannes Berg size_t ssid_len; 82f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 8300d3f14cSJohannes Berg 8498f7dfd8SEmmanuel Grumbach u8 dtim_period; 8500d3f14cSJohannes Berg 8643ac2ca3SJouni Malinen bool wmm_used; 87ab13315aSKalle Valo bool uapsd_supported; 8800d3f14cSJohannes Berg 8900d3f14cSJohannes Berg unsigned long last_probe_resp; 9000d3f14cSJohannes Berg 91ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 92ee385855SLuis Carlos Cobo u8 *mesh_id; 93ee385855SLuis Carlos Cobo size_t mesh_id_len; 9424736701SJohn W. Linville u8 *mesh_cfg; 95902acc78SJohannes Berg #endif 9600d3f14cSJohannes Berg 97f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 98f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 99f0706e82SJiri Benc size_t supp_rates_len; 100f0706e82SJiri Benc 10100d3f14cSJohannes Berg /* 10225985edcSLucas De Marchi * During association, we save an ERP value from a probe response so 1035628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1045628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 10500d3f14cSJohannes Berg * otherwise, you probably don't want to use them. 10600d3f14cSJohannes Berg */ 10700d3f14cSJohannes Berg bool has_erp_value; 1085628221cSDaniel Drake u8 erp_value; 109fcff4f10SPaul Stewart 110fcff4f10SPaul Stewart /* Keep track of the corruption of the last beacon/probe response. */ 111fcff4f10SPaul Stewart u8 corrupt_data; 112fcff4f10SPaul Stewart 113fcff4f10SPaul Stewart /* Keep track of what bits of information we have valid info for. */ 114fcff4f10SPaul Stewart u8 valid_data; 115fcff4f10SPaul Stewart }; 116fcff4f10SPaul Stewart 117fcff4f10SPaul Stewart /** 118fcff4f10SPaul Stewart * enum ieee80211_corrupt_data_flags - BSS data corruption flags 119fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted 120fcff4f10SPaul Stewart * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted 121fcff4f10SPaul Stewart * 122fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 123fcff4f10SPaul Stewart * @corrupt_data field of &struct ieee80211_bss. 124fcff4f10SPaul Stewart */ 125fcff4f10SPaul Stewart enum ieee80211_bss_corrupt_data_flags { 126fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_BEACON = BIT(0), 127fcff4f10SPaul Stewart IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) 128fcff4f10SPaul Stewart }; 129fcff4f10SPaul Stewart 130fcff4f10SPaul Stewart /** 131fcff4f10SPaul Stewart * enum ieee80211_valid_data_flags - BSS valid data flags 132fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE 133fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE 134fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE 135fcff4f10SPaul Stewart * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE 136fcff4f10SPaul Stewart * 137fcff4f10SPaul Stewart * These are bss flags that are attached to a bss in the 138fcff4f10SPaul Stewart * @valid_data field of &struct ieee80211_bss. They show which parts 139fcff4f10SPaul Stewart * of the data structure were recieved as a result of an un-corrupted 140fcff4f10SPaul Stewart * beacon/probe response. 141fcff4f10SPaul Stewart */ 142fcff4f10SPaul Stewart enum ieee80211_bss_valid_data_flags { 143fcff4f10SPaul Stewart IEEE80211_BSS_VALID_DTIM = BIT(0), 144fcff4f10SPaul Stewart IEEE80211_BSS_VALID_WMM = BIT(1), 145fcff4f10SPaul Stewart IEEE80211_BSS_VALID_RATES = BIT(2), 146fcff4f10SPaul Stewart IEEE80211_BSS_VALID_ERP = BIT(3) 147f0706e82SJiri Benc }; 148f0706e82SJiri Benc 149c2b13452SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) 150902acc78SJohannes Berg { 151902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 152902acc78SJohannes Berg return bss->mesh_cfg; 153902acc78SJohannes Berg #endif 154902acc78SJohannes Berg return NULL; 155902acc78SJohannes Berg } 156902acc78SJohannes Berg 157c2b13452SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) 158902acc78SJohannes Berg { 159902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 160902acc78SJohannes Berg return bss->mesh_id; 161902acc78SJohannes Berg #endif 162902acc78SJohannes Berg return NULL; 163902acc78SJohannes Berg } 164902acc78SJohannes Berg 165c2b13452SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) 166902acc78SJohannes Berg { 167902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 168902acc78SJohannes Berg return bss->mesh_id_len; 169902acc78SJohannes Berg #endif 170902acc78SJohannes Berg return 0; 171902acc78SJohannes Berg } 172902acc78SJohannes Berg 173f0706e82SJiri Benc 1749ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1759ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1769ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1779ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1789ae54c84SJohannes Berg 1795cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1805cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1819ae54c84SJohannes Berg 1825cf121c3SJohannes Berg struct ieee80211_tx_data { 183f0706e82SJiri Benc struct sk_buff *skb; 184252b86c4SJohannes Berg struct sk_buff_head skbs; 185f0706e82SJiri Benc struct ieee80211_local *local; 186f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 187f0706e82SJiri Benc struct sta_info *sta; 188f0706e82SJiri Benc struct ieee80211_key *key; 1895cf121c3SJohannes Berg 1908318d78aSJohannes Berg struct ieee80211_channel *channel; 191f0706e82SJiri Benc 192056cdd59SJohannes Berg unsigned int flags; 1935cf121c3SJohannes Berg }; 1945cf121c3SJohannes Berg 1955cf121c3SJohannes Berg 1965cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1975cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1985cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1995cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 2005cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 2015cf121c3SJohannes Berg 202554891e6SJohannes Berg /** 203554891e6SJohannes Berg * enum ieee80211_packet_rx_flags - packet RX flags 204554891e6SJohannes Berg * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed 205554891e6SJohannes Berg * (incl. multicast frames) 206554891e6SJohannes Berg * @IEEE80211_RX_IN_SCAN: received while scanning 207554891e6SJohannes Berg * @IEEE80211_RX_FRAGMENTED: fragmented frame 208554891e6SJohannes Berg * @IEEE80211_RX_AMSDU: a-MSDU packet 209554891e6SJohannes Berg * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed 2104cfda47bSChristian Lamparter * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering 211554891e6SJohannes Berg * 212554891e6SJohannes Berg * These are per-frame flags that are attached to a frame in the 213554891e6SJohannes Berg * @rx_flags field of &struct ieee80211_rx_status. 214554891e6SJohannes Berg */ 215554891e6SJohannes Berg enum ieee80211_packet_rx_flags { 216554891e6SJohannes Berg IEEE80211_RX_IN_SCAN = BIT(0), 217554891e6SJohannes Berg IEEE80211_RX_RA_MATCH = BIT(1), 218554891e6SJohannes Berg IEEE80211_RX_FRAGMENTED = BIT(2), 219554891e6SJohannes Berg IEEE80211_RX_AMSDU = BIT(3), 220554891e6SJohannes Berg IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), 2214cfda47bSChristian Lamparter IEEE80211_RX_DEFERRED_RELEASE = BIT(5), 222554891e6SJohannes Berg }; 223554891e6SJohannes Berg 224554891e6SJohannes Berg /** 225554891e6SJohannes Berg * enum ieee80211_rx_flags - RX data flags 226554891e6SJohannes Berg * 227554891e6SJohannes Berg * @IEEE80211_RX_CMNTR: received on cooked monitor already 228ee971924SJohannes Berg * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported 229ee971924SJohannes Berg * to cfg80211_report_obss_beacon(). 230554891e6SJohannes Berg * 231554891e6SJohannes Berg * These flags are used across handling multiple interfaces 232554891e6SJohannes Berg * for a single frame. 233554891e6SJohannes Berg */ 234554891e6SJohannes Berg enum ieee80211_rx_flags { 235554891e6SJohannes Berg IEEE80211_RX_CMNTR = BIT(0), 236ee971924SJohannes Berg IEEE80211_RX_BEACON_REPORTED = BIT(1), 237554891e6SJohannes Berg }; 2385cf121c3SJohannes Berg 2395cf121c3SJohannes Berg struct ieee80211_rx_data { 2405cf121c3SJohannes Berg struct sk_buff *skb; 2415cf121c3SJohannes Berg struct ieee80211_local *local; 2425cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 2435cf121c3SJohannes Berg struct sta_info *sta; 2445cf121c3SJohannes Berg struct ieee80211_key *key; 245056cdd59SJohannes Berg 246056cdd59SJohannes Berg unsigned int flags; 2479e26297aSJohannes Berg 2489e26297aSJohannes Berg /* 2499e26297aSJohannes Berg * Index into sequence numbers array, 0..16 2509e26297aSJohannes Berg * since the last (16) is used for non-QoS, 2519e26297aSJohannes Berg * will be 16 on non-QoS frames. 2529e26297aSJohannes Berg */ 2539e26297aSJohannes Berg int seqno_idx; 2549e26297aSJohannes Berg 2559e26297aSJohannes Berg /* 2569e26297aSJohannes Berg * Index into the security IV/PN arrays, 0..16 2579e26297aSJohannes Berg * since the last (16) is used for CCMP-encrypted 2589e26297aSJohannes Berg * management frames, will be set to 16 on mgmt 2599e26297aSJohannes Berg * frames and 0 on non-QoS frames. 2609e26297aSJohannes Berg */ 2619e26297aSJohannes Berg int security_idx; 2629e26297aSJohannes Berg 26350741ae0SJohannes Berg u32 tkip_iv32; 26450741ae0SJohannes Berg u16 tkip_iv16; 265f0706e82SJiri Benc }; 266f0706e82SJiri Benc 2675dfdaf58SJohannes Berg struct beacon_data { 2685dfdaf58SJohannes Berg u8 *head, *tail; 2695dfdaf58SJohannes Berg int head_len, tail_len; 2708860020eSJohannes Berg struct rcu_head rcu_head; 2715dfdaf58SJohannes Berg }; 2725dfdaf58SJohannes Berg 273f0706e82SJiri Benc struct ieee80211_if_ap { 27440b275b6SJohannes Berg struct beacon_data __rcu *beacon; 27502945821SArik Nemtsov struct sk_buff __rcu *probe_resp; 276f0706e82SJiri Benc 2770ec3ca44SJohannes Berg struct list_head vlans; 2780ec3ca44SJohannes Berg 279f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 280f0706e82SJiri Benc * bitmap_empty :) 281004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 282f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 283f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 284056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 28529623892SJohannes Berg atomic_t num_sta_authorized; /* number of authorized stations */ 2865dfdaf58SJohannes Berg int dtim_count; 287512119b3SChristian Lamparter bool dtim_bc_mc; 288f0706e82SJiri Benc }; 289f0706e82SJiri Benc 290f0706e82SJiri Benc struct ieee80211_if_wds { 291f0706e82SJiri Benc struct sta_info *sta; 292056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 293f0706e82SJiri Benc }; 294f0706e82SJiri Benc 295f0706e82SJiri Benc struct ieee80211_if_vlan { 2960ec3ca44SJohannes Berg struct list_head list; 297f14543eeSFelix Fietkau 298f14543eeSFelix Fietkau /* used for all tx if the VLAN is configured to 4-addr mode */ 29940b275b6SJohannes Berg struct sta_info __rcu *sta; 300f0706e82SJiri Benc }; 301f0706e82SJiri Benc 302ee385855SLuis Carlos Cobo struct mesh_stats { 303c8a61a7dSDaniel Walker __u32 fwded_mcast; /* Mesh forwarded multicast frames */ 304c8a61a7dSDaniel Walker __u32 fwded_unicast; /* Mesh forwarded unicast frames */ 305c8a61a7dSDaniel Walker __u32 fwded_frames; /* Mesh total forwarded frames */ 306ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 307ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 308cfee66b0SJavier Cardona __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ 309ee385855SLuis Carlos Cobo atomic_t estab_plinks; 310ee385855SLuis Carlos Cobo }; 311ee385855SLuis Carlos Cobo 312ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 313ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 314ee385855SLuis Carlos Cobo struct mesh_preq_queue { 315ee385855SLuis Carlos Cobo struct list_head list; 316ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 317ee385855SLuis Carlos Cobo u8 flags; 318ee385855SLuis Carlos Cobo }; 319ee385855SLuis Carlos Cobo 320f679f65dSJohannes Berg enum ieee80211_work_type { 321b8bc4b0aSJohannes Berg IEEE80211_WORK_ABORT, 322b8bc4b0aSJohannes Berg IEEE80211_WORK_REMAIN_ON_CHANNEL, 323f30221e4SJohannes Berg IEEE80211_WORK_OFFCHANNEL_TX, 32477fdaa12SJohannes Berg }; 32577fdaa12SJohannes Berg 326af6b6374SJohannes Berg /** 327af6b6374SJohannes Berg * enum work_done_result - indicates what to do after work was done 328af6b6374SJohannes Berg * 329af6b6374SJohannes Berg * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. 330af6b6374SJohannes Berg * @WORK_DONE_REQUEUE: This work item was reset to be reused, and 331af6b6374SJohannes Berg * should be requeued. 332af6b6374SJohannes Berg */ 333af6b6374SJohannes Berg enum work_done_result { 334af6b6374SJohannes Berg WORK_DONE_DESTROY, 335af6b6374SJohannes Berg WORK_DONE_REQUEUE, 336af6b6374SJohannes Berg }; 337af6b6374SJohannes Berg 338f679f65dSJohannes Berg struct ieee80211_work { 33977fdaa12SJohannes Berg struct list_head list; 340f679f65dSJohannes Berg 341af6b6374SJohannes Berg struct rcu_head rcu_head; 342af6b6374SJohannes Berg 343af6b6374SJohannes Berg struct ieee80211_sub_if_data *sdata; 344af6b6374SJohannes Berg 345af6b6374SJohannes Berg enum work_done_result (*done)(struct ieee80211_work *wk, 346af6b6374SJohannes Berg struct sk_buff *skb); 347af6b6374SJohannes Berg 348f679f65dSJohannes Berg struct ieee80211_channel *chan; 349e4da8c37SJohannes Berg enum nl80211_channel_type chan_type; 350af6b6374SJohannes Berg 351f679f65dSJohannes Berg unsigned long timeout; 352f679f65dSJohannes Berg enum ieee80211_work_type type; 353f679f65dSJohannes Berg 354e4da8c37SJohannes Berg bool started; 355e4da8c37SJohannes Berg 356f679f65dSJohannes Berg union { 357f679f65dSJohannes Berg struct { 358e4da8c37SJohannes Berg u32 duration; 359b8bc4b0aSJohannes Berg } remain; 360f30221e4SJohannes Berg struct { 361f30221e4SJohannes Berg struct sk_buff *frame; 362f30221e4SJohannes Berg u32 wait; 36328a1bcdbSJohannes Berg bool status; 364f30221e4SJohannes Berg } offchan_tx; 365f679f65dSJohannes Berg }; 366fffd0934SJohannes Berg 36766e67e41SJohannes Berg size_t data_len; 36866e67e41SJohannes Berg u8 data[]; 36977fdaa12SJohannes Berg }; 37077fdaa12SJohannes Berg 37146900298SJohannes Berg /* flags used in struct ieee80211_if_managed.flags */ 372ab1faeadSJohannes Berg enum ieee80211_sta_flags { 373b291ba11SJohannes Berg IEEE80211_STA_BEACON_POLL = BIT(0), 374b291ba11SJohannes Berg IEEE80211_STA_CONNECTION_POLL = BIT(1), 375b291ba11SJohannes Berg IEEE80211_STA_CONTROL_PORT = BIT(2), 376b291ba11SJohannes Berg IEEE80211_STA_DISABLE_11N = BIT(4), 377b291ba11SJohannes Berg IEEE80211_STA_CSA_RECEIVED = BIT(5), 378b291ba11SJohannes Berg IEEE80211_STA_MFP_ENABLED = BIT(6), 379ab13315aSKalle Valo IEEE80211_STA_UAPSD_ENABLED = BIT(7), 380375177bfSVivek Natarajan IEEE80211_STA_NULLFUNC_ACKED = BIT(8), 38117e4ec14SJouni Malinen IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), 38224398e39SJohannes Berg IEEE80211_STA_DISABLE_40MHZ = BIT(10), 383ab1faeadSJohannes Berg }; 384ab1faeadSJohannes Berg 38566e67e41SJohannes Berg struct ieee80211_mgd_auth_data { 38666e67e41SJohannes Berg struct cfg80211_bss *bss; 38766e67e41SJohannes Berg unsigned long timeout; 38866e67e41SJohannes Berg int tries; 38966e67e41SJohannes Berg u16 algorithm, expected_transaction; 39066e67e41SJohannes Berg 39166e67e41SJohannes Berg u8 key[WLAN_KEY_LEN_WEP104]; 39266e67e41SJohannes Berg u8 key_len, key_idx; 39366e67e41SJohannes Berg bool done; 39466e67e41SJohannes Berg 39566e67e41SJohannes Berg size_t ie_len; 39666e67e41SJohannes Berg u8 ie[]; 39766e67e41SJohannes Berg }; 39866e67e41SJohannes Berg 39966e67e41SJohannes Berg struct ieee80211_mgd_assoc_data { 40066e67e41SJohannes Berg struct cfg80211_bss *bss; 40166e67e41SJohannes Berg const u8 *supp_rates; 402074d46d1SJohannes Berg const u8 *ht_operation_ie; 40366e67e41SJohannes Berg 40466e67e41SJohannes Berg unsigned long timeout; 40566e67e41SJohannes Berg int tries; 40666e67e41SJohannes Berg 40766e67e41SJohannes Berg u16 capability; 40866e67e41SJohannes Berg u8 prev_bssid[ETH_ALEN]; 40966e67e41SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 41066e67e41SJohannes Berg u8 ssid_len; 41166e67e41SJohannes Berg u8 supp_rates_len; 41276f0303dSJohannes Berg bool wmm, uapsd; 41366e67e41SJohannes Berg bool have_beacon; 41466e67e41SJohannes Berg bool sent_assoc; 41566e67e41SJohannes Berg bool synced; 41666e67e41SJohannes Berg 41766e67e41SJohannes Berg size_t ie_len; 41866e67e41SJohannes Berg u8 ie[]; 41966e67e41SJohannes Berg }; 42066e67e41SJohannes Berg 42146900298SJohannes Berg struct ieee80211_if_managed { 422056cdd59SJohannes Berg struct timer_list timer; 423b291ba11SJohannes Berg struct timer_list conn_mon_timer; 424b291ba11SJohannes Berg struct timer_list bcn_mon_timer; 425c481ec97SSujith struct timer_list chswitch_timer; 426b291ba11SJohannes Berg struct work_struct monitor_work; 427c481ec97SSujith struct work_struct chswitch_work; 4281e4dcd01SJuuso Oikarinen struct work_struct beacon_connection_loss_work; 42946900298SJohannes Berg 4307ccc8bd7SFelix Fietkau unsigned long beacon_timeout; 431b291ba11SJohannes Berg unsigned long probe_timeout; 432a43abf29SMaxim Levitsky int probe_send_count; 43304ac3c0eSFelix Fietkau bool nullfunc_failed; 434b291ba11SJohannes Berg 43577fdaa12SJohannes Berg struct mutex mtx; 4360c1ad2caSJohannes Berg struct cfg80211_bss *associated; 43766e67e41SJohannes Berg struct ieee80211_mgd_auth_data *auth_data; 43866e67e41SJohannes Berg struct ieee80211_mgd_assoc_data *assoc_data; 43946900298SJohannes Berg 44077fdaa12SJohannes Berg u8 bssid[ETH_ALEN]; 44146900298SJohannes Berg 442f0706e82SJiri Benc u16 aid; 443f0706e82SJiri Benc 4445bb644a0SJohannes Berg unsigned long timers_running; /* used for quiesce/restart */ 445965bedadSJohannes Berg bool powersave; /* powersave requested for this iface */ 44605cb9108SJohannes Berg bool broken_ap; /* AP is broken -- turn off powersave */ 4470f78231bSJohannes Berg enum ieee80211_smps_mode req_smps, /* requested smps mode */ 448d1f5b7a3SJohannes Berg ap_smps, /* smps mode AP thinks we're in */ 449d1f5b7a3SJohannes Berg driver_smps_mode; /* smps mode request */ 450d1f5b7a3SJohannes Berg 451d1f5b7a3SJohannes Berg struct work_struct request_smps_work; 452965bedadSJohannes Berg 453d6f2da5bSJiri Slaby unsigned int flags; 454f0706e82SJiri Benc 455d8ec4433SJuuso Oikarinen bool beacon_crc_valid; 456d91f36dbSJohannes Berg u32 beacon_crc; 457d91f36dbSJohannes Berg 458fdfacf0aSJouni Malinen enum { 459fdfacf0aSJouni Malinen IEEE80211_MFP_DISABLED, 460fdfacf0aSJouni Malinen IEEE80211_MFP_OPTIONAL, 461fdfacf0aSJouni Malinen IEEE80211_MFP_REQUIRED 462fdfacf0aSJouni Malinen } mfp; /* management frame protection */ 463fdfacf0aSJouni Malinen 464dc41e4d4SEliad Peller /* 465dc41e4d4SEliad Peller * Bitmask of enabled u-apsd queues, 466dc41e4d4SEliad Peller * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association 467dc41e4d4SEliad Peller * to take effect. 468dc41e4d4SEliad Peller */ 469dc41e4d4SEliad Peller unsigned int uapsd_queues; 470dc41e4d4SEliad Peller 471dc41e4d4SEliad Peller /* 472dc41e4d4SEliad Peller * Maximum number of buffered frames AP can deliver during a 473dc41e4d4SEliad Peller * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. 474dc41e4d4SEliad Peller * Needs a new association to take effect. 475dc41e4d4SEliad Peller */ 476dc41e4d4SEliad Peller unsigned int uapsd_max_sp_len; 477dc41e4d4SEliad Peller 478f0706e82SJiri Benc int wmm_last_param_set; 4799bc383deSJohannes Berg 4809bc383deSJohannes Berg u8 use_4addr; 48117e4ec14SJouni Malinen 48217e4ec14SJouni Malinen /* Signal strength from the last Beacon frame in the current BSS. */ 48317e4ec14SJouni Malinen int last_beacon_signal; 48417e4ec14SJouni Malinen 48517e4ec14SJouni Malinen /* 48617e4ec14SJouni Malinen * Weighted average of the signal strength from Beacon frames in the 48717e4ec14SJouni Malinen * current BSS. This is in units of 1/16 of the signal unit to maintain 48817e4ec14SJouni Malinen * accuracy and to speed up calculations, i.e., the value need to be 48917e4ec14SJouni Malinen * divided by 16 to get the actual value. 49017e4ec14SJouni Malinen */ 49117e4ec14SJouni Malinen int ave_beacon_signal; 49217e4ec14SJouni Malinen 49317e4ec14SJouni Malinen /* 494391a200aSJouni Malinen * Number of Beacon frames used in ave_beacon_signal. This can be used 495391a200aSJouni Malinen * to avoid generating less reliable cqm events that would be based 496391a200aSJouni Malinen * only on couple of received frames. 497391a200aSJouni Malinen */ 498391a200aSJouni Malinen unsigned int count_beacon_signal; 499391a200aSJouni Malinen 500391a200aSJouni Malinen /* 50117e4ec14SJouni Malinen * Last Beacon frame signal strength average (ave_beacon_signal / 16) 50217e4ec14SJouni Malinen * that triggered a cqm event. 0 indicates that no event has been 50317e4ec14SJouni Malinen * generated for the current association. 50417e4ec14SJouni Malinen */ 50517e4ec14SJouni Malinen int last_cqm_event_signal; 506615f7b9bSMeenakshi Venkataraman 507615f7b9bSMeenakshi Venkataraman /* 508615f7b9bSMeenakshi Venkataraman * State variables for keeping track of RSSI of the AP currently 509615f7b9bSMeenakshi Venkataraman * connected to and informing driver when RSSI has gone 510615f7b9bSMeenakshi Venkataraman * below/above a certain threshold. 511615f7b9bSMeenakshi Venkataraman */ 512615f7b9bSMeenakshi Venkataraman int rssi_min_thold, rssi_max_thold; 513615f7b9bSMeenakshi Venkataraman int last_ave_beacon_signal; 514ef96a842SBen Greear 51524398e39SJohannes Berg enum nl80211_channel_type tx_chantype; 51624398e39SJohannes Berg 517ef96a842SBen Greear struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ 518ef96a842SBen Greear struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ 519f0706e82SJiri Benc }; 520f0706e82SJiri Benc 52146900298SJohannes Berg struct ieee80211_if_ibss { 52246900298SJohannes Berg struct timer_list timer; 52346900298SJohannes Berg 5247a17a33cSJohannes Berg struct mutex mtx; 5257a17a33cSJohannes Berg 526af8cdcd8SJohannes Berg unsigned long last_scan_completed; 5275bb644a0SJohannes Berg 528fbd2c8dcSTeemu Paasikivi u32 basic_rates; 529fbd2c8dcSTeemu Paasikivi 5305bb644a0SJohannes Berg bool timer_running; 5315bb644a0SJohannes Berg 532af8cdcd8SJohannes Berg bool fixed_bssid; 533af8cdcd8SJohannes Berg bool fixed_channel; 534fffd0934SJohannes Berg bool privacy; 53546900298SJohannes Berg 536267335d6SAntonio Quartulli bool control_port; 537267335d6SAntonio Quartulli 5384d196e4bSFelix Fietkau u8 bssid[ETH_ALEN] __aligned(2); 539af8cdcd8SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 540af8cdcd8SJohannes Berg u8 ssid_len, ie_len; 541af8cdcd8SJohannes Berg u8 *ie; 542af8cdcd8SJohannes Berg struct ieee80211_channel *channel; 54313c40c54SAlexander Simon enum nl80211_channel_type channel_type; 54446900298SJohannes Berg 54546900298SJohannes Berg unsigned long ibss_join_req; 546af8cdcd8SJohannes Berg /* probe response/beacon for IBSS */ 54740b275b6SJohannes Berg struct sk_buff __rcu *presp; 54840b275b6SJohannes Berg struct sk_buff *skb; 54946900298SJohannes Berg 5508bf11d8dSJohannes Berg spinlock_t incomplete_lock; 5518bf11d8dSJohannes Berg struct list_head incomplete_stations; 5528bf11d8dSJohannes Berg 55346900298SJohannes Berg enum { 55446900298SJohannes Berg IEEE80211_IBSS_MLME_SEARCH, 55546900298SJohannes Berg IEEE80211_IBSS_MLME_JOINED, 55646900298SJohannes Berg } state; 55746900298SJohannes Berg }; 55846900298SJohannes Berg 559472dbc45SJohannes Berg struct ieee80211_if_mesh { 560472dbc45SJohannes Berg struct timer_list housekeeping_timer; 561472dbc45SJohannes Berg struct timer_list mesh_path_timer; 562e304bfd3SRui Paulo struct timer_list mesh_path_root_timer; 563472dbc45SJohannes Berg 5645bb644a0SJohannes Berg unsigned long timers_running; 5655bb644a0SJohannes Berg 56618889231SJavier Cardona unsigned long wrkq_flags; 567472dbc45SJohannes Berg 568472dbc45SJohannes Berg u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 569472dbc45SJohannes Berg size_t mesh_id_len; 570472dbc45SJohannes Berg /* Active Path Selection Protocol Identifier */ 5713491707aSRui Paulo u8 mesh_pp_id; 572472dbc45SJohannes Berg /* Active Path Selection Metric Identifier */ 5733491707aSRui Paulo u8 mesh_pm_id; 574472dbc45SJohannes Berg /* Congestion Control Mode Identifier */ 5753491707aSRui Paulo u8 mesh_cc_id; 5769e03fdfdSJavier Cardona /* Synchronization Protocol Identifier */ 5773491707aSRui Paulo u8 mesh_sp_id; 5789e03fdfdSJavier Cardona /* Authentication Protocol Identifier */ 5793491707aSRui Paulo u8 mesh_auth_id; 580d19b3bf6SRui Paulo /* Local mesh Sequence Number */ 581d19b3bf6SRui Paulo u32 sn; 582472dbc45SJohannes Berg /* Last used PREQ ID */ 583472dbc45SJohannes Berg u32 preq_id; 584472dbc45SJohannes Berg atomic_t mpaths; 585d19b3bf6SRui Paulo /* Timestamp of last SN update */ 586d19b3bf6SRui Paulo unsigned long last_sn_update; 587dca7e943SThomas Pedersen /* Time when it's ok to send next PERR */ 588dca7e943SThomas Pedersen unsigned long next_perr; 589dca7e943SThomas Pedersen /* Timestamp of last PREQ sent */ 590472dbc45SJohannes Berg unsigned long last_preq; 591472dbc45SJohannes Berg struct mesh_rmc *rmc; 592472dbc45SJohannes Berg spinlock_t mesh_preq_queue_lock; 593472dbc45SJohannes Berg struct mesh_preq_queue preq_queue; 594472dbc45SJohannes Berg int preq_queue_len; 595472dbc45SJohannes Berg struct mesh_stats mshstats; 596472dbc45SJohannes Berg struct mesh_config mshcfg; 597472dbc45SJohannes Berg u32 mesh_seqnum; 598472dbc45SJohannes Berg bool accepting_plinks; 5995ee68e5bSJavier Cardona int num_gates; 600581a8b0fSJavier Cardona const u8 *ie; 601581a8b0fSJavier Cardona u8 ie_len; 602b130e5ceSJavier Cardona enum { 603b130e5ceSJavier Cardona IEEE80211_MESH_SEC_NONE = 0x0, 604b130e5ceSJavier Cardona IEEE80211_MESH_SEC_AUTHED = 0x1, 605b130e5ceSJavier Cardona IEEE80211_MESH_SEC_SECURED = 0x2, 606b130e5ceSJavier Cardona } security; 607472dbc45SJohannes Berg }; 608902acc78SJohannes Berg 609902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 610472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 611472dbc45SJohannes Berg do { (msh)->mshstats.name++; } while (0) 612902acc78SJohannes Berg #else 613472dbc45SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ 614902acc78SJohannes Berg do { } while (0) 615902acc78SJohannes Berg #endif 616f0706e82SJiri Benc 617213cd118SJohannes Berg /** 618213cd118SJohannes Berg * enum ieee80211_sub_if_data_flags - virtual interface flags 619213cd118SJohannes Berg * 620213cd118SJohannes Berg * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets 621213cd118SJohannes Berg * @IEEE80211_SDATA_PROMISC: interface is promisc 622213cd118SJohannes Berg * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode 623213cd118SJohannes Berg * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between 624213cd118SJohannes Berg * associated stations and deliver multicast frames both 625213cd118SJohannes Berg * back to wireless media and to the local net stack. 62695acac61SJohannes Berg * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. 6277b7eab6fSJohannes Berg * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver 628213cd118SJohannes Berg */ 629213cd118SJohannes Berg enum ieee80211_sub_if_data_flags { 630213cd118SJohannes Berg IEEE80211_SDATA_ALLMULTI = BIT(0), 631213cd118SJohannes Berg IEEE80211_SDATA_PROMISC = BIT(1), 6327986cf95SJohannes Berg IEEE80211_SDATA_OPERATING_GMODE = BIT(2), 6337986cf95SJohannes Berg IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), 63495acac61SJohannes Berg IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), 6357b7eab6fSJohannes Berg IEEE80211_SDATA_IN_DRIVER = BIT(5), 636213cd118SJohannes Berg }; 637213cd118SJohannes Berg 63834d4bc4dSJohannes Berg /** 63934d4bc4dSJohannes Berg * enum ieee80211_sdata_state_bits - virtual interface state bits 64034d4bc4dSJohannes Berg * @SDATA_STATE_RUNNING: virtual interface is up & running; this 64134d4bc4dSJohannes Berg * mirrors netif_running() but is separate for interface type 64234d4bc4dSJohannes Berg * change handling while the interface is up 6435b714c6aSJohannes Berg * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel 6445b714c6aSJohannes Berg * mode, so queues are stopped 64534d4bc4dSJohannes Berg */ 64634d4bc4dSJohannes Berg enum ieee80211_sdata_state_bits { 64734d4bc4dSJohannes Berg SDATA_STATE_RUNNING, 6485b714c6aSJohannes Berg SDATA_STATE_OFFCHANNEL, 64934d4bc4dSJohannes Berg }; 65034d4bc4dSJohannes Berg 651f0706e82SJiri Benc struct ieee80211_sub_if_data { 652f0706e82SJiri Benc struct list_head list; 653f0706e82SJiri Benc 654f0706e82SJiri Benc struct wireless_dev wdev; 655f0706e82SJiri Benc 65611a843b7SJohannes Berg /* keys */ 65711a843b7SJohannes Berg struct list_head key_list; 65811a843b7SJohannes Berg 6593bff1865SYogesh Ashok Powar /* count for keys needing tailroom space allocation */ 6603bff1865SYogesh Ashok Powar int crypto_tx_tailroom_needed_cnt; 6613bff1865SYogesh Ashok Powar 662f0706e82SJiri Benc struct net_device *dev; 663f0706e82SJiri Benc struct ieee80211_local *local; 664f0706e82SJiri Benc 66513262ffdSJiri Slaby unsigned int flags; 6667e9ed188SDaniel Drake 66734d4bc4dSJohannes Berg unsigned long state; 66834d4bc4dSJohannes Berg 669f0706e82SJiri Benc int drop_unencrypted; 670f0706e82SJiri Benc 67147846c9bSJohannes Berg char name[IFNAMSIZ]; 67247846c9bSJohannes Berg 6737da7cc1dSJohannes Berg /* to detect idle changes */ 6747da7cc1dSJohannes Berg bool old_idle; 6757da7cc1dSJohannes Berg 676f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 677f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 678f0706e82SJiri Benc unsigned int fragment_next; 679f0706e82SJiri Benc 680b53be792SSimon Wunderlich /* TID bitmap for NoAck policy */ 681b53be792SSimon Wunderlich u16 noack_map; 682b53be792SSimon Wunderlich 68340b275b6SJohannes Berg struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; 68440b275b6SJohannes Berg struct ieee80211_key __rcu *default_unicast_key; 68540b275b6SJohannes Berg struct ieee80211_key __rcu *default_multicast_key; 68640b275b6SJohannes Berg struct ieee80211_key __rcu *default_mgmt_key; 687f0706e82SJiri Benc 68894778280SJohannes Berg u16 sequence_number; 689a621fa4dSJohannes Berg __be16 control_port_protocol; 690a621fa4dSJohannes Berg bool control_port_no_encrypt; 69194778280SJohannes Berg 692f6f3def3SEliad Peller struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; 693f6f3def3SEliad Peller 69464592c8fSJohannes Berg struct work_struct work; 69535f20c14SJohannes Berg struct sk_buff_head skb_queue; 69635f20c14SJohannes Berg 69768542962SJuuso Oikarinen bool arp_filter_state; 69868542962SJuuso Oikarinen 6993e122be0SJohannes Berg /* 7003e122be0SJohannes Berg * AP this belongs to: self in AP mode and 7013e122be0SJohannes Berg * corresponding AP in VLAN mode, NULL for 7023e122be0SJohannes Berg * all others (might be needed later in IBSS) 7033e122be0SJohannes Berg */ 7043e122be0SJohannes Berg struct ieee80211_if_ap *bss; 7053e122be0SJohannes Berg 70637eb0b16SJouni Malinen /* bitmap of allowed (non-MCS) rate indexes for rate control */ 70737eb0b16SJouni Malinen u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; 70819468413SSimon Wunderlich u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; 709f0706e82SJiri Benc 710f0706e82SJiri Benc union { 711f0706e82SJiri Benc struct ieee80211_if_ap ap; 712f0706e82SJiri Benc struct ieee80211_if_wds wds; 713f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 71446900298SJohannes Berg struct ieee80211_if_managed mgd; 71546900298SJohannes Berg struct ieee80211_if_ibss ibss; 716472dbc45SJohannes Berg struct ieee80211_if_mesh mesh; 7178cc9a739SMichael Wu u32 mntr_flags; 718f0706e82SJiri Benc } u; 719e9f207f0SJiri Benc 720e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 721e9f207f0SJiri Benc struct { 7227bcfaf2fSJohannes Berg struct dentry *dir; 723295bafb4SBen Greear struct dentry *subdir_stations; 724f7e0104cSJohannes Berg struct dentry *default_unicast_key; 725f7e0104cSJohannes Berg struct dentry *default_multicast_key; 7263cfcf6acSJouni Malinen struct dentry *default_mgmt_key; 7277bcfaf2fSJohannes Berg } debugfs; 728e9f207f0SJiri Benc #endif 72932bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 73032bfd35dSJohannes Berg struct ieee80211_vif vif; 731f0706e82SJiri Benc }; 732f0706e82SJiri Benc 73332bfd35dSJohannes Berg static inline 73432bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 73532bfd35dSJohannes Berg { 73632bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 73732bfd35dSJohannes Berg } 73832bfd35dSJohannes Berg 739c1475ca9SJohannes Berg enum sdata_queue_type { 740c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, 741c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_START = 1, 742c1475ca9SJohannes Berg IEEE80211_SDATA_QUEUE_AGG_STOP = 2, 743c1475ca9SJohannes Berg }; 744c1475ca9SJohannes Berg 745f0706e82SJiri Benc enum { 746f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 747f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 74837fbd908SJohannes Berg IEEE80211_EOSP_MSG = 3, 74937fbd908SJohannes Berg }; 75037fbd908SJohannes Berg 75137fbd908SJohannes Berg struct skb_eosp_msg_data { 75237fbd908SJohannes Berg u8 sta[ETH_ALEN], iface[ETH_ALEN]; 753f0706e82SJiri Benc }; 754f0706e82SJiri Benc 755ce7c9111SKalle Valo enum queue_stop_reason { 756ce7c9111SKalle Valo IEEE80211_QUEUE_STOP_REASON_DRIVER, 757520eb820SKalle Valo IEEE80211_QUEUE_STOP_REASON_PS, 75896f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_CSA, 75996f5e66eSJohannes Berg IEEE80211_QUEUE_STOP_REASON_AGGREGATION, 76025420604SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND, 7618f77f384SJohannes Berg IEEE80211_QUEUE_STOP_REASON_SKB_ADD, 762693828feSRajkumar Manoharan IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE, 763ce7c9111SKalle Valo }; 764ce7c9111SKalle Valo 76565a6538aSLuciano Coelho #ifdef CONFIG_MAC80211_LEDS 766e1e54068SJohannes Berg struct tpt_led_trigger { 767e1e54068SJohannes Berg struct led_trigger trig; 768e1e54068SJohannes Berg char name[32]; 769e1e54068SJohannes Berg const struct ieee80211_tpt_blink *blink_table; 770e1e54068SJohannes Berg unsigned int blink_table_len; 771e1e54068SJohannes Berg struct timer_list timer; 772e1e54068SJohannes Berg unsigned long prev_traffic; 773e1e54068SJohannes Berg unsigned long tx_bytes, rx_bytes; 77467408c8cSJohannes Berg unsigned int active, want; 77567408c8cSJohannes Berg bool running; 776e1e54068SJohannes Berg }; 77765a6538aSLuciano Coelho #endif 778e1e54068SJohannes Berg 779142b9f50SHelmut Schaa /** 780142b9f50SHelmut Schaa * mac80211 scan flags - currently active scan mode 781142b9f50SHelmut Schaa * 782142b9f50SHelmut Schaa * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as 783142b9f50SHelmut Schaa * well be on the operating channel 784142b9f50SHelmut Schaa * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to 785142b9f50SHelmut Schaa * determine if we are on the operating channel or not 7868789d459SJohannes Berg * @SCAN_COMPLETED: Set for our scan work function when the driver reported 7878789d459SJohannes Berg * that the scan completed. 7888789d459SJohannes Berg * @SCAN_ABORTED: Set for our scan work function when the driver reported 7898789d459SJohannes Berg * a scan complete for an aborted scan. 790142b9f50SHelmut Schaa */ 791fbe9c429SHelmut Schaa enum { 792fbe9c429SHelmut Schaa SCAN_SW_SCANNING, 793142b9f50SHelmut Schaa SCAN_HW_SCANNING, 7948789d459SJohannes Berg SCAN_COMPLETED, 7958789d459SJohannes Berg SCAN_ABORTED, 796142b9f50SHelmut Schaa }; 797142b9f50SHelmut Schaa 798142b9f50SHelmut Schaa /** 799142b9f50SHelmut Schaa * enum mac80211_scan_state - scan state machine states 800142b9f50SHelmut Schaa * 801142b9f50SHelmut Schaa * @SCAN_DECISION: Main entry point to the scan state machine, this state 802142b9f50SHelmut Schaa * determines if we should keep on scanning or switch back to the 803142b9f50SHelmut Schaa * operating channel 804142b9f50SHelmut Schaa * @SCAN_SET_CHANNEL: Set the next channel to be scanned 805142b9f50SHelmut Schaa * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses 80607ef03eeSJohannes Berg * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to 80707ef03eeSJohannes Berg * send out data 80807ef03eeSJohannes Berg * @SCAN_RESUME: Resume the scan and scan the next channel 809142b9f50SHelmut Schaa */ 810142b9f50SHelmut Schaa enum mac80211_scan_state { 811142b9f50SHelmut Schaa SCAN_DECISION, 812142b9f50SHelmut Schaa SCAN_SET_CHANNEL, 813142b9f50SHelmut Schaa SCAN_SEND_PROBE, 81407ef03eeSJohannes Berg SCAN_SUSPEND, 81507ef03eeSJohannes Berg SCAN_RESUME, 816fbe9c429SHelmut Schaa }; 817fbe9c429SHelmut Schaa 818f0706e82SJiri Benc struct ieee80211_local { 819f0706e82SJiri Benc /* embed the driver visible part. 820f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 821f0706e82SJiri Benc * it first anyway so they become a no-op */ 822f0706e82SJiri Benc struct ieee80211_hw hw; 823f0706e82SJiri Benc 824f0706e82SJiri Benc const struct ieee80211_ops *ops; 825f0706e82SJiri Benc 82642935ecaSLuis R. Rodriguez /* 827af6b6374SJohannes Berg * work stuff, potentially off-channel (in the future) 828af6b6374SJohannes Berg */ 829af6b6374SJohannes Berg struct list_head work_list; 830af6b6374SJohannes Berg struct timer_list work_timer; 831af6b6374SJohannes Berg struct work_struct work_work; 832af6b6374SJohannes Berg 833af6b6374SJohannes Berg /* 83442935ecaSLuis R. Rodriguez * private workqueue to mac80211. mac80211 makes this accessible 83542935ecaSLuis R. Rodriguez * via ieee80211_queue_work() 83642935ecaSLuis R. Rodriguez */ 83742935ecaSLuis R. Rodriguez struct workqueue_struct *workqueue; 83842935ecaSLuis R. Rodriguez 839e4e72fb4SJohannes Berg unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; 84096f5e66eSJohannes Berg /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ 841ce7c9111SKalle Valo spinlock_t queue_stop_reason_lock; 84296f5e66eSJohannes Berg 843f0706e82SJiri Benc int open_count; 8443d30d949SMichael Wu int monitors, cooked_mntrs; 8458cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 8467be5086dSJohannes Berg int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, 8477be5086dSJohannes Berg fif_probe_req; 8487be5086dSJohannes Berg int probe_req_reg; 8494150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 8503b8d81e0SJohannes Berg 8513ffc2a90SJohannes Berg bool wiphy_ciphers_allocated; 8523ffc2a90SJohannes Berg 8533b8d81e0SJohannes Berg /* protects the aggregated multicast list and filter calls */ 8543b8d81e0SJohannes Berg spinlock_t filter_lock; 8553b8d81e0SJohannes Berg 8563ac64beeSJohannes Berg /* used for uploading changed mc list */ 8573ac64beeSJohannes Berg struct work_struct reconfig_filter; 8583ac64beeSJohannes Berg 8590f78231bSJohannes Berg /* used to reconfigure hardware SM PS */ 8600f78231bSJohannes Berg struct work_struct recalc_smps; 8610f78231bSJohannes Berg 8623b8d81e0SJohannes Berg /* aggregated multicast list */ 86322bedad3SJiri Pirko struct netdev_hw_addr_list mc_list; 8643b8d81e0SJohannes Berg 865d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 8665bb644a0SJohannes Berg 8675bb644a0SJohannes Berg /* 8685bb644a0SJohannes Berg * suspended is true if we finished all the suspend _and_ we have 8695bb644a0SJohannes Berg * not yet come up from resume. This is to be used by mac80211 8705bb644a0SJohannes Berg * to ensure driver sanity during suspend and mac80211's own 8715bb644a0SJohannes Berg * sanity. It can eventually be used for WoW as well. 8725bb644a0SJohannes Berg */ 8735bb644a0SJohannes Berg bool suspended; 8745bb644a0SJohannes Berg 8755bb644a0SJohannes Berg /* 876ceb99fe0SJohannes Berg * Resuming is true while suspended, but when we're reprogramming the 877ceb99fe0SJohannes Berg * hardware -- at that time it's allowed to use ieee80211_queue_work() 878ceb99fe0SJohannes Berg * again even though some other parts of the stack are still suspended 879ceb99fe0SJohannes Berg * and we still drop received frames to avoid waking the stack. 880ceb99fe0SJohannes Berg */ 881ceb99fe0SJohannes Berg bool resuming; 882ceb99fe0SJohannes Berg 883ceb99fe0SJohannes Berg /* 8845bb644a0SJohannes Berg * quiescing is true during the suspend process _only_ to 8855bb644a0SJohannes Berg * ease timer cancelling etc. 8865bb644a0SJohannes Berg */ 8875bb644a0SJohannes Berg bool quiescing; 8885bb644a0SJohannes Berg 889ea77f12fSJohannes Berg /* device is started */ 890ea77f12fSJohannes Berg bool started; 891ea77f12fSJohannes Berg 892eecc4800SJohannes Berg /* wowlan is enabled -- don't reconfig on resume */ 893eecc4800SJohannes Berg bool wowlan; 894eecc4800SJohannes Berg 895b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 896f0706e82SJiri Benc 897f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 898f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 899f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 900f0706e82SJiri Benc * queues increases over the limit. */ 901f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 902f0706e82SJiri Benc struct tasklet_struct tasklet; 903f0706e82SJiri Benc struct sk_buff_head skb_queue; 904f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 905f0706e82SJiri Benc 90624a8fdadSChristian Lamparter /* 90724a8fdadSChristian Lamparter * Internal FIFO queue which is shared between multiple rx path 90824a8fdadSChristian Lamparter * stages. Its main task is to provide a serialization mechanism, 90924a8fdadSChristian Lamparter * so all rx handlers can enjoy having exclusive access to their 91024a8fdadSChristian Lamparter * private data structures. 91124a8fdadSChristian Lamparter */ 91224a8fdadSChristian Lamparter struct sk_buff_head rx_skb_queue; 91324a8fdadSChristian Lamparter bool running_rx_handler; /* protected by rx_skb_queue.lock */ 91424a8fdadSChristian Lamparter 915d0709a65SJohannes Berg /* Station data */ 916d0709a65SJohannes Berg /* 9174d33960bSJohannes Berg * The mutex only protects the list, hash table and 9184d33960bSJohannes Berg * counter, reads are done with RCU. 919d0709a65SJohannes Berg */ 92034e89507SJohannes Berg struct mutex sta_mtx; 9214d33960bSJohannes Berg spinlock_t tim_lock; 922d0709a65SJohannes Berg unsigned long num_sta; 9234d33960bSJohannes Berg struct list_head sta_list; 92440b275b6SJohannes Berg struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; 925f0706e82SJiri Benc struct timer_list sta_cleanup; 926f5ea9120SJohannes Berg int sta_generation; 927f0706e82SJiri Benc 9282a577d98SJohannes Berg struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; 929f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 930f0706e82SJiri Benc 931a6a67db2SJohannes Berg atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; 932cd8ffc80SJohannes Berg 933f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 93453918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 935f0706e82SJiri Benc 936f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 937f0706e82SJiri Benc 9385f9f1812SFelix Fietkau struct crypto_cipher *wep_tx_tfm; 9395f9f1812SFelix Fietkau struct crypto_cipher *wep_rx_tfm; 940f0706e82SJiri Benc u32 wep_iv; 941f0706e82SJiri Benc 942c771c9d8SJohannes Berg /* see iface.c */ 94379010420SJohannes Berg struct list_head interfaces; 944c771c9d8SJohannes Berg struct mutex iflist_mtx; 94579010420SJohannes Berg 946b16bd15cSJohannes Berg /* 947ad0e2b5aSJohannes Berg * Key mutex, protects sdata's key_list and sta_info's 948b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 949b16bd15cSJohannes Berg */ 950ad0e2b5aSJohannes Berg struct mutex key_mtx; 951b16bd15cSJohannes Berg 952a1699b75SJohannes Berg /* mutex for scan and work locking */ 953a1699b75SJohannes Berg struct mutex mtx; 954b16bd15cSJohannes Berg 955c2b13452SJohannes Berg /* Scanning and BSS list */ 956fbe9c429SHelmut Schaa unsigned long scanning; 9572a519311SJohannes Berg struct cfg80211_ssid scan_ssid; 9585ba63533SJohannes Berg struct cfg80211_scan_request *int_scan_req; 9594d36ec58SJohannes Berg struct cfg80211_scan_request *scan_req, *hw_scan_req; 9602a519311SJohannes Berg struct ieee80211_channel *scan_channel; 9614d36ec58SJohannes Berg enum ieee80211_band hw_scan_band; 962f0706e82SJiri Benc int scan_channel_idx; 963de95a54bSJohannes Berg int scan_ies_len; 9648318d78aSJohannes Berg 96579f460caSLuciano Coelho bool sched_scanning; 96679f460caSLuciano Coelho struct ieee80211_sched_scan_ies sched_scan_ies; 96785a9994aSLuciano Coelho struct work_struct sched_scan_stopped_work; 96879f460caSLuciano Coelho 969df13cce5SHelmut Schaa unsigned long leave_oper_channel_time; 970977923b0SHelmut Schaa enum mac80211_scan_state next_scan_state; 971f0706e82SJiri Benc struct delayed_work scan_work; 972491775a5SJohannes Berg struct ieee80211_sub_if_data *scan_sdata; 9730aaffa9bSJohannes Berg enum nl80211_channel_type _oper_channel_type; 9742a519311SJohannes Berg struct ieee80211_channel *oper_channel, *csa_channel; 975f0706e82SJiri Benc 976b8bc4b0aSJohannes Berg /* Temporary remain-on-channel for off-channel operations */ 977b8bc4b0aSJohannes Berg struct ieee80211_channel *tmp_channel; 978b8bc4b0aSJohannes Berg enum nl80211_channel_type tmp_channel_type; 979b8bc4b0aSJohannes Berg 980f0706e82SJiri Benc /* SNMP counters */ 981f0706e82SJiri Benc /* dot11CountersTable */ 982f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 983f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 984f0706e82SJiri Benc u32 dot11FailedCount; 985f0706e82SJiri Benc u32 dot11RetryCount; 986f0706e82SJiri Benc u32 dot11MultipleRetryCount; 987f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 988f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 989f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 990f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 991f0706e82SJiri Benc 992f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 993f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 994cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 995e1e54068SJohannes Berg struct tpt_led_trigger *tpt_led_trigger; 996cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 997cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 998f0706e82SJiri Benc #endif 999f0706e82SJiri Benc 1000f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 1001f0706e82SJiri Benc /* TX/RX handler statistics */ 1002f0706e82SJiri Benc unsigned int tx_handlers_drop; 1003f0706e82SJiri Benc unsigned int tx_handlers_queued; 1004f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 1005f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 1006f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 1007f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 1008f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 1009f0706e82SJiri Benc unsigned int rx_handlers_drop; 1010f0706e82SJiri Benc unsigned int rx_handlers_queued; 1011f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 1012f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 1013f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 1014f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 1015f0706e82SJiri Benc unsigned int tx_expand_skb_head; 1016f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 1017f0706e82SJiri Benc unsigned int rx_expand_skb_head; 1018f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 1019f0706e82SJiri Benc unsigned int rx_handlers_fragments; 1020f0706e82SJiri Benc unsigned int tx_status_drop; 1021f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 1022f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1023f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 1024f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 1025f0706e82SJiri Benc 1026f0706e82SJiri Benc 1027f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 1028f0706e82SJiri Benc * multicast packets for power saving stations 1029f0706e82SJiri Benc */ 1030f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 1031520eb820SKalle Valo 1032572e0012SKalle Valo bool pspolling; 1033b203ffc3SJouni Malinen bool offchannel_ps_enabled; 1034965bedadSJohannes Berg /* 1035965bedadSJohannes Berg * PS can only be enabled when we have exactly one managed 1036965bedadSJohannes Berg * interface (and monitors) in PS, this then points there. 1037965bedadSJohannes Berg */ 1038965bedadSJohannes Berg struct ieee80211_sub_if_data *ps_sdata; 1039520eb820SKalle Valo struct work_struct dynamic_ps_enable_work; 1040520eb820SKalle Valo struct work_struct dynamic_ps_disable_work; 1041520eb820SKalle Valo struct timer_list dynamic_ps_timer; 104210f644a4SJohannes Berg struct notifier_block network_latency_notifier; 10432b2c009eSJuuso Oikarinen struct notifier_block ifa_notifier; 1044f0706e82SJiri Benc 1045ff616381SJuuso Oikarinen /* 1046ff616381SJuuso Oikarinen * The dynamic ps timeout configured from user space via WEXT - 1047ff616381SJuuso Oikarinen * this will override whatever chosen by mac80211 internally. 1048ff616381SJuuso Oikarinen */ 1049ff616381SJuuso Oikarinen int dynamic_ps_forced_timeout; 1050f90754c1SJuuso Oikarinen int dynamic_ps_user_timeout; 1051f90754c1SJuuso Oikarinen bool disable_dynamic_ps; 1052ff616381SJuuso Oikarinen 10532bf30fabSJohannes Berg int user_power_level; /* in dBm */ 1054a8302de9SVasanthakumar Thiagarajan int power_constr_level; /* in dBm */ 10552bf30fabSJohannes Berg 10560f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode; 10570f78231bSJohannes Berg 1058f2753ddbSJohannes Berg struct work_struct restart_work; 1059f2753ddbSJohannes Berg 1060e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 1061e9f207f0SJiri Benc struct local_debugfsdentries { 10624b7679a5SJohannes Berg struct dentry *rcdir; 1063e9f207f0SJiri Benc struct dentry *keys; 1064e9f207f0SJiri Benc } debugfs; 1065e9f207f0SJiri Benc #endif 10664e6cbfd0SJohn W. Linville 106721f83589SJohannes Berg struct ieee80211_channel *hw_roc_channel; 106821f83589SJohannes Berg struct net_device *hw_roc_dev; 10694334ec85SJohannes Berg struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; 107021f83589SJohannes Berg struct work_struct hw_roc_start, hw_roc_done; 107121f83589SJohannes Berg enum nl80211_channel_type hw_roc_channel_type; 107221f83589SJohannes Berg unsigned int hw_roc_duration; 107321f83589SJohannes Berg u32 hw_roc_cookie; 107490fc4b3aSJohannes Berg bool hw_roc_for_tx; 107521f83589SJohannes Berg 1076a729cff8SJohannes Berg struct idr ack_status_frames; 1077a729cff8SJohannes Berg spinlock_t ack_status_lock; 1078a729cff8SJohannes Berg 10794e6cbfd0SJohn W. Linville /* dummy netdev for use w/ NAPI */ 10804e6cbfd0SJohn W. Linville struct net_device napi_dev; 10814e6cbfd0SJohn W. Linville 10824e6cbfd0SJohn W. Linville struct napi_struct napi; 1083f0706e82SJiri Benc }; 1084f0706e82SJiri Benc 10853e122be0SJohannes Berg static inline struct ieee80211_sub_if_data * 10863e122be0SJohannes Berg IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) 10873e122be0SJohannes Berg { 10883e122be0SJohannes Berg return netdev_priv(dev); 10893e122be0SJohannes Berg } 10903e122be0SJohannes Berg 1091c1475ca9SJohannes Berg /* this struct represents 802.11n's RA/TID combination */ 1092eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 1093eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 1094eadc8d9eSRon Rindjunsky u16 tid; 1095eadc8d9eSRon Rindjunsky }; 1096eadc8d9eSRon Rindjunsky 1097dd76986bSJohannes Berg /* Parsed Information Elements */ 1098dd76986bSJohannes Berg struct ieee802_11_elems { 1099dd76986bSJohannes Berg u8 *ie_start; 1100dd76986bSJohannes Berg size_t total_len; 1101dd76986bSJohannes Berg 1102dd76986bSJohannes Berg /* pointers to IEs */ 1103dd76986bSJohannes Berg u8 *ssid; 1104dd76986bSJohannes Berg u8 *supp_rates; 1105dd76986bSJohannes Berg u8 *fh_params; 1106dd76986bSJohannes Berg u8 *ds_params; 1107dd76986bSJohannes Berg u8 *cf_params; 1108dd76986bSJohannes Berg struct ieee80211_tim_ie *tim; 1109dd76986bSJohannes Berg u8 *ibss_params; 1110dd76986bSJohannes Berg u8 *challenge; 1111dd76986bSJohannes Berg u8 *wpa; 1112dd76986bSJohannes Berg u8 *rsn; 1113dd76986bSJohannes Berg u8 *erp_info; 1114dd76986bSJohannes Berg u8 *ext_supp_rates; 1115dd76986bSJohannes Berg u8 *wmm_info; 1116dd76986bSJohannes Berg u8 *wmm_param; 1117dd76986bSJohannes Berg struct ieee80211_ht_cap *ht_cap_elem; 1118074d46d1SJohannes Berg struct ieee80211_ht_operation *ht_operation; 1119dd76986bSJohannes Berg struct ieee80211_meshconf_ie *mesh_config; 1120dd76986bSJohannes Berg u8 *mesh_id; 1121dd76986bSJohannes Berg u8 *peering; 1122dd76986bSJohannes Berg u8 *preq; 1123dd76986bSJohannes Berg u8 *prep; 1124dd76986bSJohannes Berg u8 *perr; 1125dd76986bSJohannes Berg struct ieee80211_rann_ie *rann; 1126dd76986bSJohannes Berg u8 *ch_switch_elem; 1127dd76986bSJohannes Berg u8 *country_elem; 1128dd76986bSJohannes Berg u8 *pwr_constr_elem; 1129dd76986bSJohannes Berg u8 *quiet_elem; /* first quite element */ 1130dd76986bSJohannes Berg u8 *timeout_int; 1131dd76986bSJohannes Berg 1132dd76986bSJohannes Berg /* length of them, respectively */ 1133dd76986bSJohannes Berg u8 ssid_len; 1134dd76986bSJohannes Berg u8 supp_rates_len; 1135dd76986bSJohannes Berg u8 fh_params_len; 1136dd76986bSJohannes Berg u8 ds_params_len; 1137dd76986bSJohannes Berg u8 cf_params_len; 1138dd76986bSJohannes Berg u8 tim_len; 1139dd76986bSJohannes Berg u8 ibss_params_len; 1140dd76986bSJohannes Berg u8 challenge_len; 1141dd76986bSJohannes Berg u8 wpa_len; 1142dd76986bSJohannes Berg u8 rsn_len; 1143dd76986bSJohannes Berg u8 erp_info_len; 1144dd76986bSJohannes Berg u8 ext_supp_rates_len; 1145dd76986bSJohannes Berg u8 wmm_info_len; 1146dd76986bSJohannes Berg u8 wmm_param_len; 1147dd76986bSJohannes Berg u8 mesh_id_len; 1148dd76986bSJohannes Berg u8 peering_len; 1149dd76986bSJohannes Berg u8 preq_len; 1150dd76986bSJohannes Berg u8 prep_len; 1151dd76986bSJohannes Berg u8 perr_len; 1152dd76986bSJohannes Berg u8 ch_switch_elem_len; 1153dd76986bSJohannes Berg u8 country_elem_len; 1154dd76986bSJohannes Berg u8 pwr_constr_elem_len; 1155dd76986bSJohannes Berg u8 quiet_elem_len; 1156dd76986bSJohannes Berg u8 num_of_quiet_elem; /* can be more the one */ 1157dd76986bSJohannes Berg u8 timeout_int_len; 1158fcff4f10SPaul Stewart 1159fcff4f10SPaul Stewart /* whether a parse error occurred while retrieving these elements */ 1160fcff4f10SPaul Stewart bool parse_error; 1161dd76986bSJohannes Berg }; 1162dd76986bSJohannes Berg 1163f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 1164f0706e82SJiri Benc struct ieee80211_hw *hw) 1165f0706e82SJiri Benc { 1166f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 1167f0706e82SJiri Benc } 1168f0706e82SJiri Benc 1169f0706e82SJiri Benc 1170571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 1171571ecf67SJohannes Berg { 1172571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 1173571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 1174571ecf67SJohannes Berg } 1175571ecf67SJohannes Berg 1176571ecf67SJohannes Berg 1177e8975581SJohannes Berg int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); 11785cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 11799c6bd790SJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 11809c6bd790SJohannes Berg u32 changed); 11810d143fe1SJohannes Berg void ieee80211_configure_filter(struct ieee80211_local *local); 118246900298SJohannes Berg u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); 1183f0706e82SJiri Benc 118446900298SJohannes Berg /* STA code */ 11859c6bd790SJohannes Berg void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); 118677fdaa12SJohannes Berg int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, 118777fdaa12SJohannes Berg struct cfg80211_auth_request *req); 118877fdaa12SJohannes Berg int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, 118977fdaa12SJohannes Berg struct cfg80211_assoc_request *req); 119077fdaa12SJohannes Berg int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, 119163c9c5e7SJohannes Berg struct cfg80211_deauth_request *req); 119277fdaa12SJohannes Berg int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, 119363c9c5e7SJohannes Berg struct cfg80211_disassoc_request *req); 1194572e0012SKalle Valo void ieee80211_send_pspoll(struct ieee80211_local *local, 1195572e0012SKalle Valo struct ieee80211_sub_if_data *sdata); 119610f644a4SJohannes Berg void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); 119710f644a4SJohannes Berg int ieee80211_max_network_latency(struct notifier_block *nb, 119810f644a4SJohannes Berg unsigned long data, void *dummy); 11992b2c009eSJuuso Oikarinen int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); 1200cc32abd4SJohannes Berg void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, 1201cc32abd4SJohannes Berg struct ieee80211_channel_sw_ie *sw_elem, 12025ce6e438SJohannes Berg struct ieee80211_bss *bss, 12035ce6e438SJohannes Berg u64 timestamp); 12045bb644a0SJohannes Berg void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); 12055bb644a0SJohannes Berg void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); 12061fa57d01SJohannes Berg void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); 12071fa57d01SJohannes Berg void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 12081fa57d01SJohannes Berg struct sk_buff *skb); 1209d3a910a8SLuis R. Rodriguez void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); 1210be099e82SLuis R. Rodriguez void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); 121154e4ffb2SJohannes Berg void ieee80211_mgd_teardown(struct ieee80211_sub_if_data *sdata); 12129c6bd790SJohannes Berg 121346900298SJohannes Berg /* IBSS code */ 121446900298SJohannes Berg void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); 121546900298SJohannes Berg void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); 12168bf11d8dSJohannes Berg void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, 12178bf11d8dSJohannes Berg const u8 *bssid, const u8 *addr, u32 supp_rates); 1218af8cdcd8SJohannes Berg int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, 1219af8cdcd8SJohannes Berg struct cfg80211_ibss_params *params); 1220af8cdcd8SJohannes Berg int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); 12215bb644a0SJohannes Berg void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); 12225bb644a0SJohannes Berg void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); 12231fa57d01SJohannes Berg void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); 12241fa57d01SJohannes Berg void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 12251fa57d01SJohannes Berg struct sk_buff *skb); 12261fa57d01SJohannes Berg 12271fa57d01SJohannes Berg /* mesh code */ 12281fa57d01SJohannes Berg void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); 12291fa57d01SJohannes Berg void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, 12301fa57d01SJohannes Berg struct sk_buff *skb); 123146900298SJohannes Berg 12329c6bd790SJohannes Berg /* scan/BSS handling */ 123346900298SJohannes Berg void ieee80211_scan_work(struct work_struct *work); 1234f3b85252SJohannes Berg int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, 1235be4a4b6aSJohannes Berg const u8 *ssid, u8 ssid_len, 1236be4a4b6aSJohannes Berg struct ieee80211_channel *chan); 1237c2b13452SJohannes Berg int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, 12382a519311SJohannes Berg struct cfg80211_scan_request *req); 12395bb644a0SJohannes Berg void ieee80211_scan_cancel(struct ieee80211_local *local); 1240c2b13452SJohannes Berg ieee80211_rx_result 1241f1d58c25SJohannes Berg ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 12429c6bd790SJohannes Berg 12430a51b27eSJohannes Berg void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); 1244c2b13452SJohannes Berg struct ieee80211_bss * 124598c8fccfSJohannes Berg ieee80211_bss_info_update(struct ieee80211_local *local, 124698c8fccfSJohannes Berg struct ieee80211_rx_status *rx_status, 124798c8fccfSJohannes Berg struct ieee80211_mgmt *mgmt, 124898c8fccfSJohannes Berg size_t len, 124998c8fccfSJohannes Berg struct ieee802_11_elems *elems, 12502a519311SJohannes Berg struct ieee80211_channel *channel, 12512a519311SJohannes Berg bool beacon); 1252c2b13452SJohannes Berg struct ieee80211_bss * 12535484e237SJohannes Berg ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, 12545484e237SJohannes Berg u8 *ssid, u8 ssid_len); 125598c8fccfSJohannes Berg void ieee80211_rx_bss_put(struct ieee80211_local *local, 1256c2b13452SJohannes Berg struct ieee80211_bss *bss); 1257ee385855SLuis Carlos Cobo 125879f460caSLuciano Coelho /* scheduled scan handling */ 125979f460caSLuciano Coelho int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, 126079f460caSLuciano Coelho struct cfg80211_sched_scan_request *req); 126185a9994aSLuciano Coelho int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); 126285a9994aSLuciano Coelho void ieee80211_sched_scan_stopped_work(struct work_struct *work); 126379f460caSLuciano Coelho 1264b203ffc3SJouni Malinen /* off-channel helpers */ 1265b23b025fSBen Greear void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, 1266b23b025fSBen Greear bool offchannel_ps_enable); 1267b203ffc3SJouni Malinen void ieee80211_offchannel_return(struct ieee80211_local *local, 1268b23b025fSBen Greear bool offchannel_ps_disable); 126921f83589SJohannes Berg void ieee80211_hw_roc_setup(struct ieee80211_local *local); 1270b203ffc3SJouni Malinen 12713e122be0SJohannes Berg /* interface handling */ 127247846c9bSJohannes Berg int ieee80211_iface_init(void); 127347846c9bSJohannes Berg void ieee80211_iface_exit(void); 12743e122be0SJohannes Berg int ieee80211_if_add(struct ieee80211_local *local, const char *name, 127505c914feSJohannes Berg struct net_device **new_dev, enum nl80211_iftype type, 1276ee385855SLuis Carlos Cobo struct vif_params *params); 1277f3947e2dSJohannes Berg int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, 127805c914feSJohannes Berg enum nl80211_iftype type); 1279f698d856SJasper Bryant-Greene void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 128075636525SJohannes Berg void ieee80211_remove_interfaces(struct ieee80211_local *local); 12815cff20e6SJohannes Berg u32 __ieee80211_recalc_idle(struct ieee80211_local *local); 12825cff20e6SJohannes Berg void ieee80211_recalc_idle(struct ieee80211_local *local); 128385416a4fSChristian Lamparter void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, 128485416a4fSChristian Lamparter const int offset); 1285f0706e82SJiri Benc 12869607e6b6SJohannes Berg static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) 12879607e6b6SJohannes Berg { 128834d4bc4dSJohannes Berg return test_bit(SDATA_STATE_RUNNING, &sdata->state); 12899607e6b6SJohannes Berg } 12909607e6b6SJohannes Berg 1291e2ebc74dSJohannes Berg /* tx handling */ 1292e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 1293e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 1294d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, 1295d0cf9c0dSStephen Hemminger struct net_device *dev); 1296d0cf9c0dSStephen Hemminger netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, 1297d0cf9c0dSStephen Hemminger struct net_device *dev); 1298e2ebc74dSJohannes Berg 1299de1ede7aSJohannes Berg /* HT */ 1300ef96a842SBen Greear void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, 1301ef96a842SBen Greear struct ieee80211_sta_ht_cap *ht_cap); 1302ef96a842SBen Greear void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, 1303ef96a842SBen Greear struct ieee80211_supported_band *sband, 1304ae5eb026SJohannes Berg struct ieee80211_ht_cap *ht_cap_ie, 1305d9fe60deSJohannes Berg struct ieee80211_sta_ht_cap *ht_cap); 1306b8695a8fSJohannes Berg void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, 1307b8695a8fSJohannes Berg const u8 *da, u16 tid, 1308b8695a8fSJohannes Berg u16 initiator, u16 reason_code); 13090f78231bSJohannes Berg int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, 13100f78231bSJohannes Berg enum ieee80211_smps_mode smps, const u8 *da, 13110f78231bSJohannes Berg const u8 *bssid); 1312d1f5b7a3SJohannes Berg void ieee80211_request_smps_work(struct work_struct *work); 1313de1ede7aSJohannes Berg 13147c3b1dd8SJohannes Berg void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 131553f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 1316849b7967SJohannes Berg void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, 131753f73c09SJohannes Berg u16 initiator, u16 reason, bool stop); 131853f73c09SJohannes Berg void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); 1319de1ede7aSJohannes Berg void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, 1320de1ede7aSJohannes Berg struct sta_info *sta, 1321de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, size_t len); 1322de1ede7aSJohannes Berg void ieee80211_process_addba_resp(struct ieee80211_local *local, 1323de1ede7aSJohannes Berg struct sta_info *sta, 1324de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1325de1ede7aSJohannes Berg size_t len); 1326de1ede7aSJohannes Berg void ieee80211_process_addba_request(struct ieee80211_local *local, 1327de1ede7aSJohannes Berg struct sta_info *sta, 1328de1ede7aSJohannes Berg struct ieee80211_mgmt *mgmt, 1329de1ede7aSJohannes Berg size_t len); 1330de1ede7aSJohannes Berg 1331849b7967SJohannes Berg int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 133253f73c09SJohannes Berg enum ieee80211_back_parties initiator, 133353f73c09SJohannes Berg bool tx); 133467c282c0SJohannes Berg int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, 133553f73c09SJohannes Berg enum ieee80211_back_parties initiator, 133653f73c09SJohannes Berg bool tx); 13375d22c89bSJohannes Berg void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); 13385d22c89bSJohannes Berg void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); 133967c282c0SJohannes Berg void ieee80211_ba_session_work(struct work_struct *work); 134067c282c0SJohannes Berg void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); 13412bff8ebfSChristian Lamparter void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); 1342849b7967SJohannes Berg 134339192c0bSJohannes Berg /* Spectrum management */ 134439192c0bSJohannes Berg void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, 134539192c0bSJohannes Berg struct ieee80211_mgmt *mgmt, 134639192c0bSJohannes Berg size_t len); 134739192c0bSJohannes Berg 1348f2753ddbSJohannes Berg /* Suspend/resume and hw reconfiguration */ 1349f2753ddbSJohannes Berg int ieee80211_reconfig(struct ieee80211_local *local); 135084f6a01cSJohannes Berg void ieee80211_stop_device(struct ieee80211_local *local); 1351f2753ddbSJohannes Berg 1352827b1fb4SJohannes Berg #ifdef CONFIG_PM 1353eecc4800SJohannes Berg int __ieee80211_suspend(struct ieee80211_hw *hw, 1354eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan); 1355f2753ddbSJohannes Berg 1356f2753ddbSJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1357f2753ddbSJohannes Berg { 135885f72bc8SJohn W. Linville struct ieee80211_local *local = hw_to_local(hw); 135985f72bc8SJohn W. Linville 136085f72bc8SJohn W. Linville WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 136185f72bc8SJohn W. Linville "%s: resume with hardware scan still in progress\n", 136285f72bc8SJohn W. Linville wiphy_name(hw->wiphy)); 136385f72bc8SJohn W. Linville 1364f2753ddbSJohannes Berg return ieee80211_reconfig(hw_to_local(hw)); 1365f2753ddbSJohannes Berg } 1366827b1fb4SJohannes Berg #else 1367eecc4800SJohannes Berg static inline int __ieee80211_suspend(struct ieee80211_hw *hw, 1368eecc4800SJohannes Berg struct cfg80211_wowlan *wowlan) 1369827b1fb4SJohannes Berg { 1370827b1fb4SJohannes Berg return 0; 1371827b1fb4SJohannes Berg } 1372f2753ddbSJohannes Berg 1373827b1fb4SJohannes Berg static inline int __ieee80211_resume(struct ieee80211_hw *hw) 1374827b1fb4SJohannes Berg { 1375827b1fb4SJohannes Berg return 0; 1376827b1fb4SJohannes Berg } 1377827b1fb4SJohannes Berg #endif 1378665af4fcSBob Copeland 1379c2d1560aSJohannes Berg /* utility functions/constants */ 1380c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 138171364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 138205c914feSJohannes Berg enum nl80211_iftype type); 1383c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 1384c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 1385f698d856SJasper Bryant-Greene void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, 1386e6d6e342SJohannes Berg struct ieee80211_hdr *hdr, const u8 *tsc, 1387e6d6e342SJohannes Berg gfp_t gfp); 13883abead59SJohannes Berg void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, 13893abead59SJohannes Berg bool bss_notify); 1390ce662b44SJohannes Berg void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); 1391cf6bb79aSHelmut Schaa 1392cf6bb79aSHelmut Schaa void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, 1393cf6bb79aSHelmut Schaa struct sk_buff *skb, int tid); 1394cf6bb79aSHelmut Schaa static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, 1395cf6bb79aSHelmut Schaa struct sk_buff *skb) 1396cf6bb79aSHelmut Schaa { 1397cf6bb79aSHelmut Schaa /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ 1398cf6bb79aSHelmut Schaa ieee80211_tx_skb_tid(sdata, skb, 7); 1399cf6bb79aSHelmut Schaa } 1400cf6bb79aSHelmut Schaa 14019c6bd790SJohannes Berg void ieee802_11_parse_elems(u8 *start, size_t len, 14029c6bd790SJohannes Berg struct ieee802_11_elems *elems); 1403d91f36dbSJohannes Berg u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 1404d91f36dbSJohannes Berg struct ieee802_11_elems *elems, 1405d91f36dbSJohannes Berg u64 filter, u32 crc); 1406881d948cSJohannes Berg u32 ieee80211_mandatory_rates(struct ieee80211_local *local, 140796dd22acSJohannes Berg enum ieee80211_band band); 1408f0706e82SJiri Benc 1409520eb820SKalle Valo void ieee80211_dynamic_ps_enable_work(struct work_struct *work); 1410520eb820SKalle Valo void ieee80211_dynamic_ps_disable_work(struct work_struct *work); 1411520eb820SKalle Valo void ieee80211_dynamic_ps_timer(unsigned long data); 1412a97b77b9SVivek Natarajan void ieee80211_send_nullfunc(struct ieee80211_local *local, 1413a97b77b9SVivek Natarajan struct ieee80211_sub_if_data *sdata, 1414a97b77b9SVivek Natarajan int powersave); 14153cf335d5SKalle Valo void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, 14163cf335d5SKalle Valo struct ieee80211_hdr *hdr); 14174e5ff376SFelix Fietkau void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, 141804ac3c0eSFelix Fietkau struct ieee80211_hdr *hdr, bool ack); 14191e4dcd01SJuuso Oikarinen void ieee80211_beacon_connection_loss_work(struct work_struct *work); 1420520eb820SKalle Valo 1421ce7c9111SKalle Valo void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, 1422ce7c9111SKalle Valo enum queue_stop_reason reason); 1423ce7c9111SKalle Valo void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, 1424ce7c9111SKalle Valo enum queue_stop_reason reason); 142596f5e66eSJohannes Berg void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, 142696f5e66eSJohannes Berg enum queue_stop_reason reason); 142796f5e66eSJohannes Berg void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, 142896f5e66eSJohannes Berg enum queue_stop_reason reason); 14298f77f384SJohannes Berg void ieee80211_add_pending_skb(struct ieee80211_local *local, 14308f77f384SJohannes Berg struct sk_buff *skb); 1431b0b97a8aSJohannes Berg void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, 143250a9432dSJohannes Berg struct sk_buff_head *skbs, 143350a9432dSJohannes Berg void (*fn)(void *data), void *data); 143478307daaSJohannes Berg static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, 143578307daaSJohannes Berg struct sk_buff_head *skbs) 143678307daaSJohannes Berg { 143778307daaSJohannes Berg ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); 143878307daaSJohannes Berg } 1439ce7c9111SKalle Valo 144046900298SJohannes Berg void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 144146900298SJohannes Berg u16 transaction, u16 auth_alg, 1442fffd0934SJohannes Berg u8 *extra, size_t extra_len, const u8 *bssid, 1443efa6a09dSAntonio Quartulli const u8 *da, const u8 *key, u8 key_len, u8 key_idx); 1444de95a54bSJohannes Berg int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 14454d36ec58SJohannes Berg const u8 *ie, size_t ie_len, 1446651b5225SJouni Malinen enum ieee80211_band band, u32 rate_mask, 1447651b5225SJouni Malinen u8 channel); 1448a619a4c0SJuuso Oikarinen struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, 144985a237feSJohannes Berg u8 *dst, u32 ratemask, 1450a619a4c0SJuuso Oikarinen const u8 *ssid, size_t ssid_len, 1451a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1452a806c558SPaul Stewart bool directed); 145346900298SJohannes Berg void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1454de95a54bSJohannes Berg const u8 *ssid, size_t ssid_len, 1455a806c558SPaul Stewart const u8 *ie, size_t ie_len, 1456aad14cebSRajkumar Manoharan u32 ratemask, bool directed, bool no_cck); 145746900298SJohannes Berg 145846900298SJohannes Berg void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, 145946900298SJohannes Berg const size_t supp_rates_len, 146046900298SJohannes Berg const u8 *supp_rates); 146146900298SJohannes Berg u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 146246900298SJohannes Berg struct ieee802_11_elems *elems, 146346900298SJohannes Berg enum ieee80211_band band); 14640f78231bSJohannes Berg int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 14650f78231bSJohannes Berg enum ieee80211_smps_mode smps_mode); 1466025e6be2SJohannes Berg void ieee80211_recalc_smps(struct ieee80211_local *local); 146746900298SJohannes Berg 14688e664fb3SJohannes Berg size_t ieee80211_ie_split(const u8 *ies, size_t ielen, 14698e664fb3SJohannes Berg const u8 *ids, int n_ids, size_t offset); 14708e664fb3SJohannes Berg size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); 1471ef96a842SBen Greear u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 147242e7aa77SAlexander Simon u16 cap); 1473074d46d1SJohannes Berg u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, 147442e7aa77SAlexander Simon struct ieee80211_channel *channel, 147542e7aa77SAlexander Simon enum nl80211_channel_type channel_type); 14768e664fb3SJohannes Berg 1477af6b6374SJohannes Berg /* internal work items */ 1478af6b6374SJohannes Berg void ieee80211_work_init(struct ieee80211_local *local); 1479af6b6374SJohannes Berg void ieee80211_add_work(struct ieee80211_work *wk); 1480af6b6374SJohannes Berg void free_work(struct ieee80211_work *wk); 1481af6b6374SJohannes Berg void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); 1482b8bc4b0aSJohannes Berg int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, 1483b8bc4b0aSJohannes Berg struct ieee80211_channel *chan, 1484b8bc4b0aSJohannes Berg enum nl80211_channel_type channel_type, 1485b8bc4b0aSJohannes Berg unsigned int duration, u64 *cookie); 1486b8bc4b0aSJohannes Berg int ieee80211_wk_cancel_remain_on_channel( 1487b8bc4b0aSJohannes Berg struct ieee80211_sub_if_data *sdata, u64 cookie); 1488af6b6374SJohannes Berg 1489f444de05SJohannes Berg /* channel management */ 1490f444de05SJohannes Berg enum ieee80211_chan_mode { 1491f444de05SJohannes Berg CHAN_MODE_UNDEFINED, 1492f444de05SJohannes Berg CHAN_MODE_HOPPING, 1493f444de05SJohannes Berg CHAN_MODE_FIXED, 1494f444de05SJohannes Berg }; 1495f444de05SJohannes Berg 1496f444de05SJohannes Berg enum ieee80211_chan_mode 1497f444de05SJohannes Berg ieee80211_get_channel_mode(struct ieee80211_local *local, 1498f444de05SJohannes Berg struct ieee80211_sub_if_data *ignore); 14990aaffa9bSJohannes Berg bool ieee80211_set_channel_type(struct ieee80211_local *local, 15000aaffa9bSJohannes Berg struct ieee80211_sub_if_data *sdata, 15010aaffa9bSJohannes Berg enum nl80211_channel_type chantype); 150242e7aa77SAlexander Simon enum nl80211_channel_type 1503074d46d1SJohannes Berg ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper); 15043117bbdbSPaul Stewart enum nl80211_channel_type ieee80211_get_tx_channel_type( 15053117bbdbSPaul Stewart struct ieee80211_local *local, 15063117bbdbSPaul Stewart enum nl80211_channel_type channel_type); 1507f444de05SJohannes Berg 1508f4ea83ddSJohannes Berg #ifdef CONFIG_MAC80211_NOINLINE 1509d9e8a70fSJohannes Berg #define debug_noinline noinline 1510d9e8a70fSJohannes Berg #else 1511d9e8a70fSJohannes Berg #define debug_noinline 1512d9e8a70fSJohannes Berg #endif 1513d9e8a70fSJohannes Berg 1514f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 1515