Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2002-2005, Instant802 Networks, Inc. |
| 3 | * Copyright 2005, Devicescape Software, Inc. |
| 4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 5 | * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #ifndef IEEE80211_I_H |
| 13 | #define IEEE80211_I_H |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/device.h> |
| 17 | #include <linux/if_ether.h> |
| 18 | #include <linux/interrupt.h> |
| 19 | #include <linux/list.h> |
| 20 | #include <linux/netdevice.h> |
| 21 | #include <linux/skbuff.h> |
| 22 | #include <linux/workqueue.h> |
| 23 | #include <linux/types.h> |
| 24 | #include <linux/spinlock.h> |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 25 | #include <linux/etherdevice.h> |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 26 | #include <linux/leds.h> |
Johannes Berg | a729cff | 2011-11-06 14:13:34 +0100 | [diff] [blame] | 27 | #include <linux/idr.h> |
Johannes Berg | fe7a5d5 | 2009-11-18 18:42:47 +0100 | [diff] [blame] | 28 | #include <net/ieee80211_radiotap.h> |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 29 | #include <net/cfg80211.h> |
David S. Miller | 51cb6db | 2008-07-15 03:34:57 -0700 | [diff] [blame] | 30 | #include <net/mac80211.h> |
Johannes Berg | 2c8dccc | 2008-04-08 15:14:40 -0400 | [diff] [blame] | 31 | #include "key.h" |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 32 | #include "sta_info.h" |
| 33 | |
Johannes Berg | 9cfb000 | 2008-04-03 15:17:31 +0200 | [diff] [blame] | 34 | struct ieee80211_local; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 35 | |
| 36 | /* Maximum number of broadcast/multicast frames to buffer when some of the |
| 37 | * associated stations are using power saving. */ |
| 38 | #define AP_MAX_BC_BUFFER 128 |
| 39 | |
| 40 | /* Maximum number of frames buffered to all STAs, including multicast frames. |
| 41 | * Note: increasing this limit increases the potential memory requirement. Each |
| 42 | * frame can be up to about 2 kB long. */ |
| 43 | #define TOTAL_MAX_TX_BUFFER 512 |
| 44 | |
| 45 | /* Required encryption head and tailroom */ |
| 46 | #define IEEE80211_ENCRYPT_HEADROOM 8 |
Jouni Malinen | 765cb46 | 2009-01-08 13:32:01 +0200 | [diff] [blame] | 47 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 48 | |
| 49 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent |
| 50 | * reception of at least three fragmented frames. This limit can be increased |
| 51 | * by changing this define, at the cost of slower frame reassembly and |
| 52 | * increased memory use (about 2 kB of RAM per entry). */ |
| 53 | #define IEEE80211_FRAGMENT_MAX 4 |
| 54 | |
Johannes Berg | 20ad19d | 2009-02-10 21:25:45 +0100 | [diff] [blame] | 55 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
| 56 | |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 57 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
| 58 | (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ |
| 59 | IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ |
| 60 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ |
| 61 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
| 62 | |
| 63 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ |
| 64 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL |
| 65 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 66 | struct ieee80211_fragment_entry { |
| 67 | unsigned long first_frag_time; |
| 68 | unsigned int seq; |
| 69 | unsigned int rx_queue; |
| 70 | unsigned int last_frag; |
| 71 | unsigned int extra_len; |
| 72 | struct sk_buff_head skb_list; |
| 73 | int ccmp; /* Whether fragments were encrypted with CCMP */ |
| 74 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 75 | }; |
| 76 | |
| 77 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 78 | struct ieee80211_bss { |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 79 | /* don't want to look up all the time */ |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 80 | size_t ssid_len; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 81 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 82 | |
Emmanuel Grumbach | 98f7dfd | 2008-07-18 13:52:59 +0800 | [diff] [blame] | 83 | u8 dtim_period; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 84 | |
Jouni Malinen | 43ac2ca | 2008-08-15 22:21:27 +0300 | [diff] [blame] | 85 | bool wmm_used; |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 86 | bool uapsd_supported; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 87 | |
| 88 | unsigned long last_probe_resp; |
| 89 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 90 | #ifdef CONFIG_MAC80211_MESH |
| 91 | u8 *mesh_id; |
| 92 | size_t mesh_id_len; |
John W. Linville | 2473670 | 2008-04-08 14:15:46 -0400 | [diff] [blame] | 93 | u8 *mesh_cfg; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 94 | #endif |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 95 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 96 | #define IEEE80211_MAX_SUPP_RATES 32 |
| 97 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; |
| 98 | size_t supp_rates_len; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 99 | |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 100 | /* |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 101 | * During association, we save an ERP value from a probe response so |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 102 | * that we can feed ERP info to the driver when handling the |
| 103 | * association completes. these fields probably won't be up-to-date |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 104 | * otherwise, you probably don't want to use them. |
| 105 | */ |
| 106 | bool has_erp_value; |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 107 | u8 erp_value; |
Paul Stewart | fcff4f1 | 2012-02-23 17:59:53 -0800 | [diff] [blame] | 108 | |
| 109 | /* Keep track of the corruption of the last beacon/probe response. */ |
| 110 | u8 corrupt_data; |
| 111 | |
| 112 | /* Keep track of what bits of information we have valid info for. */ |
| 113 | u8 valid_data; |
| 114 | }; |
| 115 | |
| 116 | /** |
| 117 | * enum ieee80211_corrupt_data_flags - BSS data corruption flags |
| 118 | * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted |
| 119 | * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted |
| 120 | * |
| 121 | * These are bss flags that are attached to a bss in the |
| 122 | * @corrupt_data field of &struct ieee80211_bss. |
| 123 | */ |
| 124 | enum ieee80211_bss_corrupt_data_flags { |
| 125 | IEEE80211_BSS_CORRUPT_BEACON = BIT(0), |
| 126 | IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) |
| 127 | }; |
| 128 | |
| 129 | /** |
| 130 | * enum ieee80211_valid_data_flags - BSS valid data flags |
| 131 | * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE |
| 132 | * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE |
| 133 | * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE |
| 134 | * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE |
| 135 | * |
| 136 | * These are bss flags that are attached to a bss in the |
| 137 | * @valid_data field of &struct ieee80211_bss. They show which parts |
| 138 | * of the data structure were recieved as a result of an un-corrupted |
| 139 | * beacon/probe response. |
| 140 | */ |
| 141 | enum ieee80211_bss_valid_data_flags { |
| 142 | IEEE80211_BSS_VALID_DTIM = BIT(0), |
| 143 | IEEE80211_BSS_VALID_WMM = BIT(1), |
| 144 | IEEE80211_BSS_VALID_RATES = BIT(2), |
| 145 | IEEE80211_BSS_VALID_ERP = BIT(3) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 146 | }; |
| 147 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 148 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 149 | { |
| 150 | #ifdef CONFIG_MAC80211_MESH |
| 151 | return bss->mesh_cfg; |
| 152 | #endif |
| 153 | return NULL; |
| 154 | } |
| 155 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 156 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 157 | { |
| 158 | #ifdef CONFIG_MAC80211_MESH |
| 159 | return bss->mesh_id; |
| 160 | #endif |
| 161 | return NULL; |
| 162 | } |
| 163 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 164 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 165 | { |
| 166 | #ifdef CONFIG_MAC80211_MESH |
| 167 | return bss->mesh_id_len; |
| 168 | #endif |
| 169 | return 0; |
| 170 | } |
| 171 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 172 | |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 173 | typedef unsigned __bitwise__ ieee80211_tx_result; |
| 174 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) |
| 175 | #define TX_DROP ((__force ieee80211_tx_result) 1u) |
| 176 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) |
| 177 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 178 | #define IEEE80211_TX_UNICAST BIT(1) |
| 179 | #define IEEE80211_TX_PS_BUFFERED BIT(2) |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 180 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 181 | struct ieee80211_tx_data { |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 182 | struct sk_buff *skb; |
Johannes Berg | 252b86c | 2011-11-16 15:28:55 +0100 | [diff] [blame] | 183 | struct sk_buff_head skbs; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 184 | struct ieee80211_local *local; |
| 185 | struct ieee80211_sub_if_data *sdata; |
| 186 | struct sta_info *sta; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 187 | struct ieee80211_key *key; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 188 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 189 | struct ieee80211_channel *channel; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 190 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 191 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 192 | }; |
| 193 | |
| 194 | |
| 195 | typedef unsigned __bitwise__ ieee80211_rx_result; |
| 196 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
| 197 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) |
| 198 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) |
| 199 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) |
| 200 | |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 201 | /** |
| 202 | * enum ieee80211_packet_rx_flags - packet RX flags |
| 203 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed |
| 204 | * (incl. multicast frames) |
| 205 | * @IEEE80211_RX_IN_SCAN: received while scanning |
| 206 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
| 207 | * @IEEE80211_RX_AMSDU: a-MSDU packet |
| 208 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed |
Christian Lamparter | 4cfda47 | 2010-12-27 23:21:26 +0100 | [diff] [blame] | 209 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 210 | * |
| 211 | * These are per-frame flags that are attached to a frame in the |
| 212 | * @rx_flags field of &struct ieee80211_rx_status. |
| 213 | */ |
| 214 | enum ieee80211_packet_rx_flags { |
| 215 | IEEE80211_RX_IN_SCAN = BIT(0), |
| 216 | IEEE80211_RX_RA_MATCH = BIT(1), |
| 217 | IEEE80211_RX_FRAGMENTED = BIT(2), |
| 218 | IEEE80211_RX_AMSDU = BIT(3), |
| 219 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), |
Christian Lamparter | 4cfda47 | 2010-12-27 23:21:26 +0100 | [diff] [blame] | 220 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 221 | }; |
| 222 | |
| 223 | /** |
| 224 | * enum ieee80211_rx_flags - RX data flags |
| 225 | * |
| 226 | * @IEEE80211_RX_CMNTR: received on cooked monitor already |
Johannes Berg | ee97192 | 2011-11-04 11:18:18 +0100 | [diff] [blame] | 227 | * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported |
| 228 | * to cfg80211_report_obss_beacon(). |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 229 | * |
| 230 | * These flags are used across handling multiple interfaces |
| 231 | * for a single frame. |
| 232 | */ |
| 233 | enum ieee80211_rx_flags { |
| 234 | IEEE80211_RX_CMNTR = BIT(0), |
Johannes Berg | ee97192 | 2011-11-04 11:18:18 +0100 | [diff] [blame] | 235 | IEEE80211_RX_BEACON_REPORTED = BIT(1), |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 236 | }; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 237 | |
| 238 | struct ieee80211_rx_data { |
| 239 | struct sk_buff *skb; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 240 | struct ieee80211_local *local; |
| 241 | struct ieee80211_sub_if_data *sdata; |
| 242 | struct sta_info *sta; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 243 | struct ieee80211_key *key; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 244 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 245 | unsigned int flags; |
Johannes Berg | 9e26297 | 2011-07-07 18:45:03 +0200 | [diff] [blame] | 246 | |
| 247 | /* |
| 248 | * Index into sequence numbers array, 0..16 |
| 249 | * since the last (16) is used for non-QoS, |
| 250 | * will be 16 on non-QoS frames. |
| 251 | */ |
| 252 | int seqno_idx; |
| 253 | |
| 254 | /* |
| 255 | * Index into the security IV/PN arrays, 0..16 |
| 256 | * since the last (16) is used for CCMP-encrypted |
| 257 | * management frames, will be set to 16 on mgmt |
| 258 | * frames and 0 on non-QoS frames. |
| 259 | */ |
| 260 | int security_idx; |
| 261 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 262 | u32 tkip_iv32; |
| 263 | u16 tkip_iv16; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 264 | }; |
| 265 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 266 | struct beacon_data { |
| 267 | u8 *head, *tail; |
| 268 | int head_len, tail_len; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 269 | struct rcu_head rcu_head; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 270 | }; |
| 271 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 272 | struct ieee80211_if_ap { |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 273 | struct beacon_data __rcu *beacon; |
Arik Nemtsov | 0294582 | 2011-11-10 11:28:57 +0200 | [diff] [blame] | 274 | struct sk_buff __rcu *probe_resp; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 275 | |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 276 | struct list_head vlans; |
| 277 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 278 | /* yes, this looks ugly, but guarantees that we can later use |
| 279 | * bitmap_empty :) |
Johannes Berg | 004c872 | 2008-02-20 11:21:35 +0100 | [diff] [blame] | 280 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 281 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 282 | struct sk_buff_head ps_bc_buf; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 283 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
Johannes Berg | 2962389 | 2011-12-14 12:20:31 +0100 | [diff] [blame] | 284 | atomic_t num_sta_authorized; /* number of authorized stations */ |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 285 | int dtim_count; |
Christian Lamparter | 512119b | 2011-01-31 20:48:44 +0200 | [diff] [blame] | 286 | bool dtim_bc_mc; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 287 | }; |
| 288 | |
| 289 | struct ieee80211_if_wds { |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 290 | struct sta_info *sta; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 291 | u8 remote_addr[ETH_ALEN]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 292 | }; |
| 293 | |
| 294 | struct ieee80211_if_vlan { |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 295 | struct list_head list; |
Felix Fietkau | f14543ee | 2009-11-10 20:10:05 +0100 | [diff] [blame] | 296 | |
| 297 | /* used for all tx if the VLAN is configured to 4-addr mode */ |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 298 | struct sta_info __rcu *sta; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 299 | }; |
| 300 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 301 | struct mesh_stats { |
Daniel Walker | c8a61a7 | 2009-08-18 10:59:00 -0700 | [diff] [blame] | 302 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
| 303 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ |
| 304 | __u32 fwded_frames; /* Mesh total forwarded frames */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 305 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
| 306 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ |
Javier Cardona | cfee66b | 2011-09-06 13:05:21 -0700 | [diff] [blame] | 307 | __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 308 | atomic_t estab_plinks; |
| 309 | }; |
| 310 | |
| 311 | #define PREQ_Q_F_START 0x1 |
| 312 | #define PREQ_Q_F_REFRESH 0x2 |
| 313 | struct mesh_preq_queue { |
| 314 | struct list_head list; |
| 315 | u8 dst[ETH_ALEN]; |
| 316 | u8 flags; |
| 317 | }; |
| 318 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 319 | enum ieee80211_work_type { |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 320 | IEEE80211_WORK_ABORT, |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 321 | IEEE80211_WORK_REMAIN_ON_CHANNEL, |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 322 | IEEE80211_WORK_OFFCHANNEL_TX, |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 323 | }; |
| 324 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 325 | /** |
| 326 | * enum work_done_result - indicates what to do after work was done |
| 327 | * |
| 328 | * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. |
| 329 | * @WORK_DONE_REQUEUE: This work item was reset to be reused, and |
| 330 | * should be requeued. |
| 331 | */ |
| 332 | enum work_done_result { |
| 333 | WORK_DONE_DESTROY, |
| 334 | WORK_DONE_REQUEUE, |
| 335 | }; |
| 336 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 337 | struct ieee80211_work { |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 338 | struct list_head list; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 339 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 340 | struct rcu_head rcu_head; |
| 341 | |
| 342 | struct ieee80211_sub_if_data *sdata; |
| 343 | |
| 344 | enum work_done_result (*done)(struct ieee80211_work *wk, |
| 345 | struct sk_buff *skb); |
| 346 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 347 | struct ieee80211_channel *chan; |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 348 | enum nl80211_channel_type chan_type; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 349 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 350 | unsigned long timeout; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 351 | enum ieee80211_work_type type; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 352 | |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 353 | bool started; |
| 354 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 355 | union { |
| 356 | struct { |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 357 | u32 duration; |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 358 | } remain; |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 359 | struct { |
| 360 | struct sk_buff *frame; |
| 361 | u32 wait; |
Johannes Berg | 28a1bcd | 2011-10-04 18:27:10 +0200 | [diff] [blame] | 362 | bool status; |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 363 | } offchan_tx; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 364 | }; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 365 | |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 366 | size_t data_len; |
| 367 | u8 data[]; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 368 | }; |
| 369 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 370 | /* flags used in struct ieee80211_if_managed.flags */ |
Johannes Berg | ab1faea | 2009-07-01 21:41:17 +0200 | [diff] [blame] | 371 | enum ieee80211_sta_flags { |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 372 | IEEE80211_STA_BEACON_POLL = BIT(0), |
| 373 | IEEE80211_STA_CONNECTION_POLL = BIT(1), |
| 374 | IEEE80211_STA_CONTROL_PORT = BIT(2), |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 375 | IEEE80211_STA_DISABLE_11N = BIT(4), |
| 376 | IEEE80211_STA_CSA_RECEIVED = BIT(5), |
| 377 | IEEE80211_STA_MFP_ENABLED = BIT(6), |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 378 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
Vivek Natarajan | 375177b | 2010-02-09 14:50:28 +0530 | [diff] [blame] | 379 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 380 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
Johannes Berg | ab1faea | 2009-07-01 21:41:17 +0200 | [diff] [blame] | 381 | }; |
| 382 | |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 383 | struct ieee80211_mgd_auth_data { |
| 384 | struct cfg80211_bss *bss; |
| 385 | unsigned long timeout; |
| 386 | int tries; |
| 387 | u16 algorithm, expected_transaction; |
| 388 | |
| 389 | u8 key[WLAN_KEY_LEN_WEP104]; |
| 390 | u8 key_len, key_idx; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 391 | bool done; |
| 392 | |
| 393 | size_t ie_len; |
| 394 | u8 ie[]; |
| 395 | }; |
| 396 | |
| 397 | struct ieee80211_mgd_assoc_data { |
| 398 | struct cfg80211_bss *bss; |
| 399 | const u8 *supp_rates; |
| 400 | const u8 *ht_information_ie; |
| 401 | |
| 402 | unsigned long timeout; |
| 403 | int tries; |
| 404 | |
| 405 | u16 capability; |
| 406 | u8 prev_bssid[ETH_ALEN]; |
| 407 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 408 | u8 ssid_len; |
| 409 | u8 supp_rates_len; |
Johannes Berg | 76f0303 | 2012-03-08 15:02:05 +0100 | [diff] [blame] | 410 | bool wmm, uapsd; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 411 | bool have_beacon; |
| 412 | bool sent_assoc; |
| 413 | bool synced; |
| 414 | |
| 415 | size_t ie_len; |
| 416 | u8 ie[]; |
| 417 | }; |
| 418 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 419 | struct ieee80211_if_managed { |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 420 | struct timer_list timer; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 421 | struct timer_list conn_mon_timer; |
| 422 | struct timer_list bcn_mon_timer; |
Sujith | c481ec9 | 2009-01-06 09:28:37 +0530 | [diff] [blame] | 423 | struct timer_list chswitch_timer; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 424 | struct work_struct monitor_work; |
Sujith | c481ec9 | 2009-01-06 09:28:37 +0530 | [diff] [blame] | 425 | struct work_struct chswitch_work; |
Juuso Oikarinen | 1e4dcd0 | 2010-03-19 07:14:53 +0200 | [diff] [blame] | 426 | struct work_struct beacon_connection_loss_work; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 427 | |
Felix Fietkau | 7ccc8bd | 2010-11-19 22:55:38 +0100 | [diff] [blame] | 428 | unsigned long beacon_timeout; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 429 | unsigned long probe_timeout; |
Maxim Levitsky | a43abf2 | 2009-07-31 18:54:12 +0300 | [diff] [blame] | 430 | int probe_send_count; |
Felix Fietkau | 04ac3c0 | 2010-12-02 21:01:08 +0100 | [diff] [blame] | 431 | bool nullfunc_failed; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 432 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 433 | struct mutex mtx; |
Johannes Berg | 0c1ad2c | 2009-12-23 13:15:39 +0100 | [diff] [blame] | 434 | struct cfg80211_bss *associated; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 435 | struct ieee80211_mgd_auth_data *auth_data; |
| 436 | struct ieee80211_mgd_assoc_data *assoc_data; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 437 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 438 | u8 bssid[ETH_ALEN]; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 439 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 440 | u16 aid; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 441 | |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 442 | unsigned long timers_running; /* used for quiesce/restart */ |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 443 | bool powersave; /* powersave requested for this iface */ |
Johannes Berg | 05cb910 | 2011-10-28 11:59:47 +0200 | [diff] [blame] | 444 | bool broken_ap; /* AP is broken -- turn off powersave */ |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 445 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
Johannes Berg | d1f5b7a | 2010-08-05 17:05:55 +0200 | [diff] [blame] | 446 | ap_smps, /* smps mode AP thinks we're in */ |
| 447 | driver_smps_mode; /* smps mode request */ |
| 448 | |
| 449 | struct work_struct request_smps_work; |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 450 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 451 | unsigned int flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 452 | |
Juuso Oikarinen | d8ec443 | 2010-10-01 16:02:31 +0300 | [diff] [blame] | 453 | bool beacon_crc_valid; |
Johannes Berg | d91f36d | 2009-04-16 13:17:26 +0200 | [diff] [blame] | 454 | u32 beacon_crc; |
| 455 | |
Jouni Malinen | fdfacf0 | 2009-01-08 13:32:05 +0200 | [diff] [blame] | 456 | enum { |
| 457 | IEEE80211_MFP_DISABLED, |
| 458 | IEEE80211_MFP_OPTIONAL, |
| 459 | IEEE80211_MFP_REQUIRED |
| 460 | } mfp; /* management frame protection */ |
| 461 | |
Eliad Peller | dc41e4d | 2012-03-14 16:15:03 +0200 | [diff] [blame] | 462 | /* |
| 463 | * Bitmask of enabled u-apsd queues, |
| 464 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association |
| 465 | * to take effect. |
| 466 | */ |
| 467 | unsigned int uapsd_queues; |
| 468 | |
| 469 | /* |
| 470 | * Maximum number of buffered frames AP can deliver during a |
| 471 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. |
| 472 | * Needs a new association to take effect. |
| 473 | */ |
| 474 | unsigned int uapsd_max_sp_len; |
| 475 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 476 | int wmm_last_param_set; |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 477 | |
| 478 | u8 use_4addr; |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 479 | |
| 480 | /* Signal strength from the last Beacon frame in the current BSS. */ |
| 481 | int last_beacon_signal; |
| 482 | |
| 483 | /* |
| 484 | * Weighted average of the signal strength from Beacon frames in the |
| 485 | * current BSS. This is in units of 1/16 of the signal unit to maintain |
| 486 | * accuracy and to speed up calculations, i.e., the value need to be |
| 487 | * divided by 16 to get the actual value. |
| 488 | */ |
| 489 | int ave_beacon_signal; |
| 490 | |
| 491 | /* |
Jouni Malinen | 391a200 | 2010-08-27 22:22:00 +0300 | [diff] [blame] | 492 | * Number of Beacon frames used in ave_beacon_signal. This can be used |
| 493 | * to avoid generating less reliable cqm events that would be based |
| 494 | * only on couple of received frames. |
| 495 | */ |
| 496 | unsigned int count_beacon_signal; |
| 497 | |
| 498 | /* |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 499 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) |
| 500 | * that triggered a cqm event. 0 indicates that no event has been |
| 501 | * generated for the current association. |
| 502 | */ |
| 503 | int last_cqm_event_signal; |
Meenakshi Venkataraman | 615f7b9 | 2011-07-08 08:46:22 -0700 | [diff] [blame] | 504 | |
| 505 | /* |
| 506 | * State variables for keeping track of RSSI of the AP currently |
| 507 | * connected to and informing driver when RSSI has gone |
| 508 | * below/above a certain threshold. |
| 509 | */ |
| 510 | int rssi_min_thold, rssi_max_thold; |
| 511 | int last_ave_beacon_signal; |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 512 | |
| 513 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ |
| 514 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 515 | }; |
| 516 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 517 | struct ieee80211_if_ibss { |
| 518 | struct timer_list timer; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 519 | |
Johannes Berg | 7a17a33 | 2010-07-21 11:30:27 +0200 | [diff] [blame] | 520 | struct mutex mtx; |
| 521 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 522 | unsigned long last_scan_completed; |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 523 | |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 524 | u32 basic_rates; |
| 525 | |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 526 | bool timer_running; |
| 527 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 528 | bool fixed_bssid; |
| 529 | bool fixed_channel; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 530 | bool privacy; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 531 | |
Antonio Quartulli | 267335d | 2012-01-31 20:25:47 +0100 | [diff] [blame] | 532 | bool control_port; |
| 533 | |
Felix Fietkau | 4d196e4 | 2012-03-01 11:23:37 +0100 | [diff] [blame] | 534 | u8 bssid[ETH_ALEN] __aligned(2); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 535 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 536 | u8 ssid_len, ie_len; |
| 537 | u8 *ie; |
| 538 | struct ieee80211_channel *channel; |
Alexander Simon | 13c40c5 | 2011-11-30 16:56:34 +0100 | [diff] [blame] | 539 | enum nl80211_channel_type channel_type; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 540 | |
| 541 | unsigned long ibss_join_req; |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 542 | /* probe response/beacon for IBSS */ |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 543 | struct sk_buff __rcu *presp; |
| 544 | struct sk_buff *skb; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 545 | |
Johannes Berg | 8bf11d8 | 2011-12-15 11:17:37 +0100 | [diff] [blame] | 546 | spinlock_t incomplete_lock; |
| 547 | struct list_head incomplete_stations; |
| 548 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 549 | enum { |
| 550 | IEEE80211_IBSS_MLME_SEARCH, |
| 551 | IEEE80211_IBSS_MLME_JOINED, |
| 552 | } state; |
| 553 | }; |
| 554 | |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 555 | struct ieee80211_if_mesh { |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 556 | struct timer_list housekeeping_timer; |
| 557 | struct timer_list mesh_path_timer; |
Rui Paulo | e304bfd | 2009-11-09 23:46:56 +0000 | [diff] [blame] | 558 | struct timer_list mesh_path_root_timer; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 559 | |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 560 | unsigned long timers_running; |
| 561 | |
Javier Cardona | 1888923 | 2009-08-10 12:15:52 -0700 | [diff] [blame] | 562 | unsigned long wrkq_flags; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 563 | |
| 564 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; |
| 565 | size_t mesh_id_len; |
| 566 | /* Active Path Selection Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 567 | u8 mesh_pp_id; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 568 | /* Active Path Selection Metric Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 569 | u8 mesh_pm_id; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 570 | /* Congestion Control Mode Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 571 | u8 mesh_cc_id; |
Javier Cardona | 9e03fdf | 2009-08-20 09:21:45 -0700 | [diff] [blame] | 572 | /* Synchronization Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 573 | u8 mesh_sp_id; |
Javier Cardona | 9e03fdf | 2009-08-20 09:21:45 -0700 | [diff] [blame] | 574 | /* Authentication Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 575 | u8 mesh_auth_id; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 576 | /* Local mesh Sequence Number */ |
| 577 | u32 sn; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 578 | /* Last used PREQ ID */ |
| 579 | u32 preq_id; |
| 580 | atomic_t mpaths; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 581 | /* Timestamp of last SN update */ |
| 582 | unsigned long last_sn_update; |
Thomas Pedersen | dca7e94 | 2011-11-24 17:15:24 -0800 | [diff] [blame] | 583 | /* Time when it's ok to send next PERR */ |
| 584 | unsigned long next_perr; |
| 585 | /* Timestamp of last PREQ sent */ |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 586 | unsigned long last_preq; |
| 587 | struct mesh_rmc *rmc; |
| 588 | spinlock_t mesh_preq_queue_lock; |
| 589 | struct mesh_preq_queue preq_queue; |
| 590 | int preq_queue_len; |
| 591 | struct mesh_stats mshstats; |
| 592 | struct mesh_config mshcfg; |
| 593 | u32 mesh_seqnum; |
| 594 | bool accepting_plinks; |
Javier Cardona | 5ee68e5 | 2011-08-09 16:45:08 -0700 | [diff] [blame] | 595 | int num_gates; |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 596 | const u8 *ie; |
| 597 | u8 ie_len; |
Javier Cardona | b130e5c | 2011-05-03 16:57:07 -0700 | [diff] [blame] | 598 | enum { |
| 599 | IEEE80211_MESH_SEC_NONE = 0x0, |
| 600 | IEEE80211_MESH_SEC_AUTHED = 0x1, |
| 601 | IEEE80211_MESH_SEC_SECURED = 0x2, |
| 602 | } security; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 603 | }; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 604 | |
| 605 | #ifdef CONFIG_MAC80211_MESH |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 606 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
| 607 | do { (msh)->mshstats.name++; } while (0) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 608 | #else |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 609 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 610 | do { } while (0) |
| 611 | #endif |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 612 | |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 613 | /** |
| 614 | * enum ieee80211_sub_if_data_flags - virtual interface flags |
| 615 | * |
| 616 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets |
| 617 | * @IEEE80211_SDATA_PROMISC: interface is promisc |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 618 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
| 619 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between |
| 620 | * associated stations and deliver multicast frames both |
| 621 | * back to wireless media and to the local net stack. |
Johannes Berg | 95acac6 | 2011-07-12 12:30:59 +0200 | [diff] [blame] | 622 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
Johannes Berg | 7b7eab6 | 2011-11-03 14:41:13 +0100 | [diff] [blame] | 623 | * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 624 | */ |
| 625 | enum ieee80211_sub_if_data_flags { |
| 626 | IEEE80211_SDATA_ALLMULTI = BIT(0), |
| 627 | IEEE80211_SDATA_PROMISC = BIT(1), |
Johannes Berg | 7986cf9 | 2009-03-21 17:08:43 +0100 | [diff] [blame] | 628 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
| 629 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), |
Johannes Berg | 95acac6 | 2011-07-12 12:30:59 +0200 | [diff] [blame] | 630 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
Johannes Berg | 7b7eab6 | 2011-11-03 14:41:13 +0100 | [diff] [blame] | 631 | IEEE80211_SDATA_IN_DRIVER = BIT(5), |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 632 | }; |
| 633 | |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 634 | /** |
| 635 | * enum ieee80211_sdata_state_bits - virtual interface state bits |
| 636 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this |
| 637 | * mirrors netif_running() but is separate for interface type |
| 638 | * change handling while the interface is up |
Johannes Berg | 5b714c6 | 2010-08-27 13:45:28 +0200 | [diff] [blame] | 639 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
| 640 | * mode, so queues are stopped |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 641 | */ |
| 642 | enum ieee80211_sdata_state_bits { |
| 643 | SDATA_STATE_RUNNING, |
Johannes Berg | 5b714c6 | 2010-08-27 13:45:28 +0200 | [diff] [blame] | 644 | SDATA_STATE_OFFCHANNEL, |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 645 | }; |
| 646 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 647 | struct ieee80211_sub_if_data { |
| 648 | struct list_head list; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 649 | |
| 650 | struct wireless_dev wdev; |
| 651 | |
Johannes Berg | 11a843b | 2007-08-28 17:01:55 -0400 | [diff] [blame] | 652 | /* keys */ |
| 653 | struct list_head key_list; |
| 654 | |
Yogesh Ashok Powar | 3bff186 | 2011-06-28 18:41:37 +0530 | [diff] [blame] | 655 | /* count for keys needing tailroom space allocation */ |
| 656 | int crypto_tx_tailroom_needed_cnt; |
| 657 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 658 | struct net_device *dev; |
| 659 | struct ieee80211_local *local; |
| 660 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 661 | unsigned int flags; |
Daniel Drake | 7e9ed18 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 662 | |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 663 | unsigned long state; |
| 664 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 665 | int drop_unencrypted; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 666 | |
Johannes Berg | 47846c9 | 2009-11-25 17:46:19 +0100 | [diff] [blame] | 667 | char name[IFNAMSIZ]; |
| 668 | |
Johannes Berg | 413ad50 | 2009-05-08 21:21:06 +0200 | [diff] [blame] | 669 | /* |
| 670 | * keep track of whether the HT opmode (stored in |
| 671 | * vif.bss_info.ht_operation_mode) is valid. |
| 672 | */ |
| 673 | bool ht_opmode_valid; |
| 674 | |
Johannes Berg | 7da7cc1 | 2010-08-05 17:02:38 +0200 | [diff] [blame] | 675 | /* to detect idle changes */ |
| 676 | bool old_idle; |
| 677 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 678 | /* Fragment table for host-based reassembly */ |
| 679 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; |
| 680 | unsigned int fragment_next; |
| 681 | |
Simon Wunderlich | b53be79 | 2011-11-18 14:20:44 +0100 | [diff] [blame] | 682 | /* TID bitmap for NoAck policy */ |
| 683 | u16 noack_map; |
| 684 | |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 685 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
| 686 | struct ieee80211_key __rcu *default_unicast_key; |
| 687 | struct ieee80211_key __rcu *default_multicast_key; |
| 688 | struct ieee80211_key __rcu *default_mgmt_key; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 689 | |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 690 | u16 sequence_number; |
Johannes Berg | a621fa4 | 2010-08-27 14:26:54 +0300 | [diff] [blame] | 691 | __be16 control_port_protocol; |
| 692 | bool control_port_no_encrypt; |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 693 | |
Eliad Peller | f6f3def | 2011-09-25 20:06:54 +0300 | [diff] [blame] | 694 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; |
| 695 | |
Johannes Berg | 64592c8 | 2010-06-10 10:21:31 +0200 | [diff] [blame] | 696 | struct work_struct work; |
Johannes Berg | 35f20c1 | 2010-06-10 10:21:30 +0200 | [diff] [blame] | 697 | struct sk_buff_head skb_queue; |
| 698 | |
Juuso Oikarinen | 6854296 | 2010-06-09 13:43:26 +0300 | [diff] [blame] | 699 | bool arp_filter_state; |
| 700 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 701 | /* |
| 702 | * AP this belongs to: self in AP mode and |
| 703 | * corresponding AP in VLAN mode, NULL for |
| 704 | * all others (might be needed later in IBSS) |
| 705 | */ |
| 706 | struct ieee80211_if_ap *bss; |
| 707 | |
Jouni Malinen | 37eb0b1 | 2010-01-06 13:09:08 +0200 | [diff] [blame] | 708 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
| 709 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; |
Simon Wunderlich | 1946841 | 2012-01-28 17:25:33 +0100 | [diff] [blame] | 710 | u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 711 | |
| 712 | union { |
| 713 | struct ieee80211_if_ap ap; |
| 714 | struct ieee80211_if_wds wds; |
| 715 | struct ieee80211_if_vlan vlan; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 716 | struct ieee80211_if_managed mgd; |
| 717 | struct ieee80211_if_ibss ibss; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 718 | struct ieee80211_if_mesh mesh; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 719 | u32 mntr_flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 720 | } u; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 721 | |
| 722 | #ifdef CONFIG_MAC80211_DEBUGFS |
Jouni Malinen | 2b58b20 | 2008-08-28 15:12:06 +0300 | [diff] [blame] | 723 | struct { |
Johannes Berg | 7bcfaf2 | 2009-10-27 12:59:03 +0100 | [diff] [blame] | 724 | struct dentry *dir; |
Ben Greear | 295bafb | 2010-09-22 20:29:01 -0700 | [diff] [blame] | 725 | struct dentry *subdir_stations; |
Johannes Berg | f7e0104 | 2010-12-09 19:49:02 +0100 | [diff] [blame] | 726 | struct dentry *default_unicast_key; |
| 727 | struct dentry *default_multicast_key; |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 728 | struct dentry *default_mgmt_key; |
Johannes Berg | 7bcfaf2 | 2009-10-27 12:59:03 +0100 | [diff] [blame] | 729 | } debugfs; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 730 | #endif |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 731 | /* must be last, dynamically sized area in this! */ |
| 732 | struct ieee80211_vif vif; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 733 | }; |
| 734 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 735 | static inline |
| 736 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) |
| 737 | { |
| 738 | return container_of(p, struct ieee80211_sub_if_data, vif); |
| 739 | } |
| 740 | |
Johannes Berg | c1475ca | 2010-06-10 10:21:37 +0200 | [diff] [blame] | 741 | enum sdata_queue_type { |
| 742 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, |
| 743 | IEEE80211_SDATA_QUEUE_AGG_START = 1, |
| 744 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, |
| 745 | }; |
| 746 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 747 | enum { |
| 748 | IEEE80211_RX_MSG = 1, |
| 749 | IEEE80211_TX_STATUS_MSG = 2, |
Johannes Berg | 37fbd90 | 2011-09-29 16:04:39 +0200 | [diff] [blame] | 750 | IEEE80211_EOSP_MSG = 3, |
| 751 | }; |
| 752 | |
| 753 | struct skb_eosp_msg_data { |
| 754 | u8 sta[ETH_ALEN], iface[ETH_ALEN]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 755 | }; |
| 756 | |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 757 | enum queue_stop_reason { |
| 758 | IEEE80211_QUEUE_STOP_REASON_DRIVER, |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 759 | IEEE80211_QUEUE_STOP_REASON_PS, |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 760 | IEEE80211_QUEUE_STOP_REASON_CSA, |
| 761 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, |
Johannes Berg | 2542060 | 2009-03-13 11:43:36 +0100 | [diff] [blame] | 762 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
Johannes Berg | 8f77f38 | 2009-06-07 21:58:37 +0200 | [diff] [blame] | 763 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
Rajkumar Manoharan | 693828f | 2011-09-02 13:51:59 +0530 | [diff] [blame] | 764 | IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE, |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 765 | }; |
| 766 | |
Luciano Coelho | 65a6538 | 2010-12-21 16:02:17 +0200 | [diff] [blame] | 767 | #ifdef CONFIG_MAC80211_LEDS |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 768 | struct tpt_led_trigger { |
| 769 | struct led_trigger trig; |
| 770 | char name[32]; |
| 771 | const struct ieee80211_tpt_blink *blink_table; |
| 772 | unsigned int blink_table_len; |
| 773 | struct timer_list timer; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 774 | unsigned long prev_traffic; |
| 775 | unsigned long tx_bytes, rx_bytes; |
Johannes Berg | 67408c8 | 2010-11-30 08:59:23 +0100 | [diff] [blame] | 776 | unsigned int active, want; |
| 777 | bool running; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 778 | }; |
Luciano Coelho | 65a6538 | 2010-12-21 16:02:17 +0200 | [diff] [blame] | 779 | #endif |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 780 | |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 781 | /** |
| 782 | * mac80211 scan flags - currently active scan mode |
| 783 | * |
| 784 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as |
| 785 | * well be on the operating channel |
| 786 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to |
| 787 | * determine if we are on the operating channel or not |
Johannes Berg | 8789d45 | 2010-08-26 13:30:26 +0200 | [diff] [blame] | 788 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
| 789 | * that the scan completed. |
| 790 | * @SCAN_ABORTED: Set for our scan work function when the driver reported |
| 791 | * a scan complete for an aborted scan. |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 792 | */ |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 793 | enum { |
| 794 | SCAN_SW_SCANNING, |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 795 | SCAN_HW_SCANNING, |
Johannes Berg | 8789d45 | 2010-08-26 13:30:26 +0200 | [diff] [blame] | 796 | SCAN_COMPLETED, |
| 797 | SCAN_ABORTED, |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 798 | }; |
| 799 | |
| 800 | /** |
| 801 | * enum mac80211_scan_state - scan state machine states |
| 802 | * |
| 803 | * @SCAN_DECISION: Main entry point to the scan state machine, this state |
| 804 | * determines if we should keep on scanning or switch back to the |
| 805 | * operating channel |
| 806 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned |
| 807 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses |
Johannes Berg | 07ef03e | 2011-11-08 16:21:21 +0100 | [diff] [blame] | 808 | * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to |
| 809 | * send out data |
| 810 | * @SCAN_RESUME: Resume the scan and scan the next channel |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 811 | */ |
| 812 | enum mac80211_scan_state { |
| 813 | SCAN_DECISION, |
| 814 | SCAN_SET_CHANNEL, |
| 815 | SCAN_SEND_PROBE, |
Johannes Berg | 07ef03e | 2011-11-08 16:21:21 +0100 | [diff] [blame] | 816 | SCAN_SUSPEND, |
| 817 | SCAN_RESUME, |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 818 | }; |
| 819 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 820 | struct ieee80211_local { |
| 821 | /* embed the driver visible part. |
| 822 | * don't cast (use the static inlines below), but we keep |
| 823 | * it first anyway so they become a no-op */ |
| 824 | struct ieee80211_hw hw; |
| 825 | |
| 826 | const struct ieee80211_ops *ops; |
| 827 | |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 828 | /* |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 829 | * work stuff, potentially off-channel (in the future) |
| 830 | */ |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 831 | struct list_head work_list; |
| 832 | struct timer_list work_timer; |
| 833 | struct work_struct work_work; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 834 | |
| 835 | /* |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 836 | * private workqueue to mac80211. mac80211 makes this accessible |
| 837 | * via ieee80211_queue_work() |
| 838 | */ |
| 839 | struct workqueue_struct *workqueue; |
| 840 | |
Johannes Berg | e4e72fb | 2009-03-23 17:28:42 +0100 | [diff] [blame] | 841 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 842 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 843 | spinlock_t queue_stop_reason_lock; |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 844 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 845 | int open_count; |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 846 | int monitors, cooked_mntrs; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 847 | /* number of interfaces with corresponding FIF_ flags */ |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 848 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
| 849 | fif_probe_req; |
| 850 | int probe_req_reg; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 851 | unsigned int filter_flags; /* FIF_* */ |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 852 | |
Johannes Berg | 3ffc2a9 | 2010-08-27 14:26:52 +0300 | [diff] [blame] | 853 | bool wiphy_ciphers_allocated; |
| 854 | |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 855 | /* protects the aggregated multicast list and filter calls */ |
| 856 | spinlock_t filter_lock; |
| 857 | |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 858 | /* used for uploading changed mc list */ |
| 859 | struct work_struct reconfig_filter; |
| 860 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 861 | /* used to reconfigure hardware SM PS */ |
| 862 | struct work_struct recalc_smps; |
| 863 | |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 864 | /* aggregated multicast list */ |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 865 | struct netdev_hw_addr_list mc_list; |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 866 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 867 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 868 | |
| 869 | /* |
| 870 | * suspended is true if we finished all the suspend _and_ we have |
| 871 | * not yet come up from resume. This is to be used by mac80211 |
| 872 | * to ensure driver sanity during suspend and mac80211's own |
| 873 | * sanity. It can eventually be used for WoW as well. |
| 874 | */ |
| 875 | bool suspended; |
| 876 | |
| 877 | /* |
Johannes Berg | ceb99fe | 2009-11-19 14:29:39 +0100 | [diff] [blame] | 878 | * Resuming is true while suspended, but when we're reprogramming the |
| 879 | * hardware -- at that time it's allowed to use ieee80211_queue_work() |
| 880 | * again even though some other parts of the stack are still suspended |
| 881 | * and we still drop received frames to avoid waking the stack. |
| 882 | */ |
| 883 | bool resuming; |
| 884 | |
| 885 | /* |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 886 | * quiescing is true during the suspend process _only_ to |
| 887 | * ease timer cancelling etc. |
| 888 | */ |
| 889 | bool quiescing; |
| 890 | |
Johannes Berg | ea77f12 | 2009-08-21 14:44:45 +0200 | [diff] [blame] | 891 | /* device is started */ |
| 892 | bool started; |
| 893 | |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 894 | /* wowlan is enabled -- don't reconfig on resume */ |
| 895 | bool wowlan; |
| 896 | |
Johannes Berg | b306f45 | 2007-07-10 19:32:08 +0200 | [diff] [blame] | 897 | int tx_headroom; /* required headroom for hardware/radiotap */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 898 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 899 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
| 900 | * added to skb_queue will be processed, but frames in |
| 901 | * skb_queue_unreliable may be dropped if the total length of these |
| 902 | * queues increases over the limit. */ |
| 903 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 |
| 904 | struct tasklet_struct tasklet; |
| 905 | struct sk_buff_head skb_queue; |
| 906 | struct sk_buff_head skb_queue_unreliable; |
| 907 | |
Christian Lamparter | 24a8fda | 2010-12-30 17:25:29 +0100 | [diff] [blame] | 908 | /* |
| 909 | * Internal FIFO queue which is shared between multiple rx path |
| 910 | * stages. Its main task is to provide a serialization mechanism, |
| 911 | * so all rx handlers can enjoy having exclusive access to their |
| 912 | * private data structures. |
| 913 | */ |
| 914 | struct sk_buff_head rx_skb_queue; |
| 915 | bool running_rx_handler; /* protected by rx_skb_queue.lock */ |
| 916 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 917 | /* Station data */ |
| 918 | /* |
Johannes Berg | 4d33960 | 2011-12-15 11:24:20 +0100 | [diff] [blame] | 919 | * The mutex only protects the list, hash table and |
| 920 | * counter, reads are done with RCU. |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 921 | */ |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 922 | struct mutex sta_mtx; |
Johannes Berg | 4d33960 | 2011-12-15 11:24:20 +0100 | [diff] [blame] | 923 | spinlock_t tim_lock; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 924 | unsigned long num_sta; |
Johannes Berg | 4d33960 | 2011-12-15 11:24:20 +0100 | [diff] [blame] | 925 | struct list_head sta_list; |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 926 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 927 | struct timer_list sta_cleanup; |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 928 | int sta_generation; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 929 | |
Johannes Berg | 2a577d9 | 2009-03-23 17:28:37 +0100 | [diff] [blame] | 930 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 931 | struct tasklet_struct tx_pending_tasklet; |
| 932 | |
Johannes Berg | a6a67db | 2010-06-10 10:21:41 +0200 | [diff] [blame] | 933 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
Johannes Berg | cd8ffc8 | 2009-03-23 17:28:41 +0100 | [diff] [blame] | 934 | |
Johannes Berg | 5391899 | 2007-09-26 15:19:47 +0200 | [diff] [blame] | 935 | /* number of interfaces with corresponding IFF_ flags */ |
| 936 | atomic_t iff_allmultis, iff_promiscs; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 937 | |
| 938 | struct rate_control_ref *rate_ctrl; |
| 939 | |
Felix Fietkau | 5f9f181 | 2011-03-25 21:39:19 +0100 | [diff] [blame] | 940 | struct crypto_cipher *wep_tx_tfm; |
| 941 | struct crypto_cipher *wep_rx_tfm; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 942 | u32 wep_iv; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 943 | |
Johannes Berg | c771c9d | 2009-01-23 22:54:03 +0100 | [diff] [blame] | 944 | /* see iface.c */ |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 945 | struct list_head interfaces; |
Johannes Berg | c771c9d | 2009-01-23 22:54:03 +0100 | [diff] [blame] | 946 | struct mutex iflist_mtx; |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 947 | |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 948 | /* |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 949 | * Key mutex, protects sdata's key_list and sta_info's |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 950 | * key pointers (write access, they're RCU.) |
| 951 | */ |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 952 | struct mutex key_mtx; |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 953 | |
Johannes Berg | a1699b7 | 2010-07-30 16:46:07 +0200 | [diff] [blame] | 954 | /* mutex for scan and work locking */ |
| 955 | struct mutex mtx; |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 956 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 957 | /* Scanning and BSS list */ |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 958 | unsigned long scanning; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 959 | struct cfg80211_ssid scan_ssid; |
Johannes Berg | 5ba6353 | 2009-08-07 17:54:07 +0200 | [diff] [blame] | 960 | struct cfg80211_scan_request *int_scan_req; |
Johannes Berg | 4d36ec58 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 961 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 962 | struct ieee80211_channel *scan_channel; |
Johannes Berg | 4d36ec58 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 963 | enum ieee80211_band hw_scan_band; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 964 | int scan_channel_idx; |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 965 | int scan_ies_len; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 966 | |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 967 | bool sched_scanning; |
| 968 | struct ieee80211_sched_scan_ies sched_scan_ies; |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 969 | struct work_struct sched_scan_stopped_work; |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 970 | |
Helmut Schaa | df13cce | 2010-02-24 14:19:21 +0100 | [diff] [blame] | 971 | unsigned long leave_oper_channel_time; |
Helmut Schaa | 977923b | 2009-07-23 12:14:20 +0200 | [diff] [blame] | 972 | enum mac80211_scan_state next_scan_state; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 973 | struct delayed_work scan_work; |
Johannes Berg | 491775a | 2008-09-08 17:44:23 +0200 | [diff] [blame] | 974 | struct ieee80211_sub_if_data *scan_sdata; |
Johannes Berg | 0aaffa9 | 2010-05-05 15:28:27 +0200 | [diff] [blame] | 975 | enum nl80211_channel_type _oper_channel_type; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 976 | struct ieee80211_channel *oper_channel, *csa_channel; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 977 | |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 978 | /* Temporary remain-on-channel for off-channel operations */ |
| 979 | struct ieee80211_channel *tmp_channel; |
| 980 | enum nl80211_channel_type tmp_channel_type; |
| 981 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 982 | /* SNMP counters */ |
| 983 | /* dot11CountersTable */ |
| 984 | u32 dot11TransmittedFragmentCount; |
| 985 | u32 dot11MulticastTransmittedFrameCount; |
| 986 | u32 dot11FailedCount; |
| 987 | u32 dot11RetryCount; |
| 988 | u32 dot11MultipleRetryCount; |
| 989 | u32 dot11FrameDuplicateCount; |
| 990 | u32 dot11ReceivedFragmentCount; |
| 991 | u32 dot11MulticastReceivedFrameCount; |
| 992 | u32 dot11TransmittedFrameCount; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 993 | |
| 994 | #ifdef CONFIG_MAC80211_LEDS |
| 995 | int tx_led_counter, rx_led_counter; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 996 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 997 | struct tpt_led_trigger *tpt_led_trigger; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 998 | char tx_led_name[32], rx_led_name[32], |
| 999 | assoc_led_name[32], radio_led_name[32]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1000 | #endif |
| 1001 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1002 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 1003 | /* TX/RX handler statistics */ |
| 1004 | unsigned int tx_handlers_drop; |
| 1005 | unsigned int tx_handlers_queued; |
| 1006 | unsigned int tx_handlers_drop_unencrypted; |
| 1007 | unsigned int tx_handlers_drop_fragment; |
| 1008 | unsigned int tx_handlers_drop_wep; |
| 1009 | unsigned int tx_handlers_drop_not_assoc; |
| 1010 | unsigned int tx_handlers_drop_unauth_port; |
| 1011 | unsigned int rx_handlers_drop; |
| 1012 | unsigned int rx_handlers_queued; |
| 1013 | unsigned int rx_handlers_drop_nullfunc; |
| 1014 | unsigned int rx_handlers_drop_defrag; |
| 1015 | unsigned int rx_handlers_drop_short; |
| 1016 | unsigned int rx_handlers_drop_passive_scan; |
| 1017 | unsigned int tx_expand_skb_head; |
| 1018 | unsigned int tx_expand_skb_head_cloned; |
| 1019 | unsigned int rx_expand_skb_head; |
| 1020 | unsigned int rx_expand_skb_head2; |
| 1021 | unsigned int rx_handlers_fragments; |
| 1022 | unsigned int tx_status_drop; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1023 | #define I802_DEBUG_INC(c) (c)++ |
| 1024 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 1025 | #define I802_DEBUG_INC(c) do { } while (0) |
| 1026 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 1027 | |
| 1028 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1029 | int total_ps_buffered; /* total number of all buffered unicast and |
| 1030 | * multicast packets for power saving stations |
| 1031 | */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1032 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1033 | |
Kalle Valo | 572e001 | 2009-02-10 17:09:31 +0200 | [diff] [blame] | 1034 | bool pspolling; |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1035 | bool offchannel_ps_enabled; |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 1036 | /* |
| 1037 | * PS can only be enabled when we have exactly one managed |
| 1038 | * interface (and monitors) in PS, this then points there. |
| 1039 | */ |
| 1040 | struct ieee80211_sub_if_data *ps_sdata; |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1041 | struct work_struct dynamic_ps_enable_work; |
| 1042 | struct work_struct dynamic_ps_disable_work; |
| 1043 | struct timer_list dynamic_ps_timer; |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1044 | struct notifier_block network_latency_notifier; |
Juuso Oikarinen | 2b2c009 | 2010-05-27 15:32:13 +0300 | [diff] [blame] | 1045 | struct notifier_block ifa_notifier; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1046 | |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 1047 | /* |
| 1048 | * The dynamic ps timeout configured from user space via WEXT - |
| 1049 | * this will override whatever chosen by mac80211 internally. |
| 1050 | */ |
| 1051 | int dynamic_ps_forced_timeout; |
Juuso Oikarinen | f90754c | 2010-06-21 08:59:39 +0300 | [diff] [blame] | 1052 | int dynamic_ps_user_timeout; |
| 1053 | bool disable_dynamic_ps; |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 1054 | |
Johannes Berg | 2bf30fa | 2009-01-06 23:23:56 +0100 | [diff] [blame] | 1055 | int user_power_level; /* in dBm */ |
Vasanthakumar Thiagarajan | a8302de | 2009-01-09 18:14:15 +0530 | [diff] [blame] | 1056 | int power_constr_level; /* in dBm */ |
Johannes Berg | 2bf30fa | 2009-01-06 23:23:56 +0100 | [diff] [blame] | 1057 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1058 | enum ieee80211_smps_mode smps_mode; |
| 1059 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1060 | struct work_struct restart_work; |
| 1061 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 1062 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 1063 | struct local_debugfsdentries { |
Johannes Berg | 4b7679a | 2008-09-18 18:14:18 +0200 | [diff] [blame] | 1064 | struct dentry *rcdir; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 1065 | struct dentry *keys; |
| 1066 | } debugfs; |
| 1067 | #endif |
John W. Linville | 4e6cbfd | 2010-07-29 16:14:13 -0400 | [diff] [blame] | 1068 | |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1069 | struct ieee80211_channel *hw_roc_channel; |
| 1070 | struct net_device *hw_roc_dev; |
Johannes Berg | 4334ec8 | 2011-02-02 16:58:06 +0100 | [diff] [blame] | 1071 | struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1072 | struct work_struct hw_roc_start, hw_roc_done; |
| 1073 | enum nl80211_channel_type hw_roc_channel_type; |
| 1074 | unsigned int hw_roc_duration; |
| 1075 | u32 hw_roc_cookie; |
Johannes Berg | 90fc4b3 | 2010-12-18 17:20:48 +0100 | [diff] [blame] | 1076 | bool hw_roc_for_tx; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1077 | |
Johannes Berg | a729cff | 2011-11-06 14:13:34 +0100 | [diff] [blame] | 1078 | struct idr ack_status_frames; |
| 1079 | spinlock_t ack_status_lock; |
| 1080 | |
John W. Linville | 4e6cbfd | 2010-07-29 16:14:13 -0400 | [diff] [blame] | 1081 | /* dummy netdev for use w/ NAPI */ |
| 1082 | struct net_device napi_dev; |
| 1083 | |
| 1084 | struct napi_struct napi; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1085 | }; |
| 1086 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1087 | static inline struct ieee80211_sub_if_data * |
| 1088 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) |
| 1089 | { |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1090 | return netdev_priv(dev); |
| 1091 | } |
| 1092 | |
Johannes Berg | c1475ca | 2010-06-10 10:21:37 +0200 | [diff] [blame] | 1093 | /* this struct represents 802.11n's RA/TID combination */ |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 1094 | struct ieee80211_ra_tid { |
| 1095 | u8 ra[ETH_ALEN]; |
| 1096 | u16 tid; |
| 1097 | }; |
| 1098 | |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1099 | /* Parsed Information Elements */ |
| 1100 | struct ieee802_11_elems { |
| 1101 | u8 *ie_start; |
| 1102 | size_t total_len; |
| 1103 | |
| 1104 | /* pointers to IEs */ |
| 1105 | u8 *ssid; |
| 1106 | u8 *supp_rates; |
| 1107 | u8 *fh_params; |
| 1108 | u8 *ds_params; |
| 1109 | u8 *cf_params; |
| 1110 | struct ieee80211_tim_ie *tim; |
| 1111 | u8 *ibss_params; |
| 1112 | u8 *challenge; |
| 1113 | u8 *wpa; |
| 1114 | u8 *rsn; |
| 1115 | u8 *erp_info; |
| 1116 | u8 *ext_supp_rates; |
| 1117 | u8 *wmm_info; |
| 1118 | u8 *wmm_param; |
| 1119 | struct ieee80211_ht_cap *ht_cap_elem; |
| 1120 | struct ieee80211_ht_info *ht_info_elem; |
| 1121 | struct ieee80211_meshconf_ie *mesh_config; |
| 1122 | u8 *mesh_id; |
| 1123 | u8 *peering; |
| 1124 | u8 *preq; |
| 1125 | u8 *prep; |
| 1126 | u8 *perr; |
| 1127 | struct ieee80211_rann_ie *rann; |
| 1128 | u8 *ch_switch_elem; |
| 1129 | u8 *country_elem; |
| 1130 | u8 *pwr_constr_elem; |
| 1131 | u8 *quiet_elem; /* first quite element */ |
| 1132 | u8 *timeout_int; |
| 1133 | |
| 1134 | /* length of them, respectively */ |
| 1135 | u8 ssid_len; |
| 1136 | u8 supp_rates_len; |
| 1137 | u8 fh_params_len; |
| 1138 | u8 ds_params_len; |
| 1139 | u8 cf_params_len; |
| 1140 | u8 tim_len; |
| 1141 | u8 ibss_params_len; |
| 1142 | u8 challenge_len; |
| 1143 | u8 wpa_len; |
| 1144 | u8 rsn_len; |
| 1145 | u8 erp_info_len; |
| 1146 | u8 ext_supp_rates_len; |
| 1147 | u8 wmm_info_len; |
| 1148 | u8 wmm_param_len; |
| 1149 | u8 mesh_id_len; |
| 1150 | u8 peering_len; |
| 1151 | u8 preq_len; |
| 1152 | u8 prep_len; |
| 1153 | u8 perr_len; |
| 1154 | u8 ch_switch_elem_len; |
| 1155 | u8 country_elem_len; |
| 1156 | u8 pwr_constr_elem_len; |
| 1157 | u8 quiet_elem_len; |
| 1158 | u8 num_of_quiet_elem; /* can be more the one */ |
| 1159 | u8 timeout_int_len; |
Paul Stewart | fcff4f1 | 2012-02-23 17:59:53 -0800 | [diff] [blame] | 1160 | |
| 1161 | /* whether a parse error occurred while retrieving these elements */ |
| 1162 | bool parse_error; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1163 | }; |
| 1164 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1165 | static inline struct ieee80211_local *hw_to_local( |
| 1166 | struct ieee80211_hw *hw) |
| 1167 | { |
| 1168 | return container_of(hw, struct ieee80211_local, hw); |
| 1169 | } |
| 1170 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1171 | |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1172 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
| 1173 | { |
| 1174 | return compare_ether_addr(raddr, addr) == 0 || |
| 1175 | is_broadcast_ether_addr(raddr); |
| 1176 | } |
| 1177 | |
| 1178 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1179 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 1180 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1181 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
| 1182 | u32 changed); |
Johannes Berg | 0d143fe | 2008-09-11 00:01:59 +0200 | [diff] [blame] | 1183 | void ieee80211_configure_filter(struct ieee80211_local *local); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1184 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1185 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1186 | /* STA code */ |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1187 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 1188 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
| 1189 | struct cfg80211_auth_request *req); |
| 1190 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, |
| 1191 | struct cfg80211_assoc_request *req); |
| 1192 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 1193 | struct cfg80211_deauth_request *req); |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 1194 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 1195 | struct cfg80211_disassoc_request *req); |
Kalle Valo | 572e001 | 2009-02-10 17:09:31 +0200 | [diff] [blame] | 1196 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
| 1197 | struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1198 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
| 1199 | int ieee80211_max_network_latency(struct notifier_block *nb, |
| 1200 | unsigned long data, void *dummy); |
Juuso Oikarinen | 2b2c009 | 2010-05-27 15:32:13 +0300 | [diff] [blame] | 1201 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | cc32abd | 2009-05-15 11:52:31 +0200 | [diff] [blame] | 1202 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
| 1203 | struct ieee80211_channel_sw_ie *sw_elem, |
Johannes Berg | 5ce6e43 | 2010-05-11 16:20:57 +0200 | [diff] [blame] | 1204 | struct ieee80211_bss *bss, |
| 1205 | u64 timestamp); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1206 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
| 1207 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1fa57d0 | 2010-06-10 10:21:32 +0200 | [diff] [blame] | 1208 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
| 1209 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1210 | struct sk_buff *skb); |
Luis R. Rodriguez | d3a910a | 2010-09-16 15:12:32 -0400 | [diff] [blame] | 1211 | void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); |
Luis R. Rodriguez | be099e8 | 2010-09-16 15:12:29 -0400 | [diff] [blame] | 1212 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 54e4ffb | 2012-02-25 21:48:08 +0100 | [diff] [blame] | 1213 | void ieee80211_mgd_teardown(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1214 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1215 | /* IBSS code */ |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1216 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
| 1217 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 8bf11d8 | 2011-12-15 11:17:37 +0100 | [diff] [blame] | 1218 | void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, |
| 1219 | const u8 *bssid, const u8 *addr, u32 supp_rates); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 1220 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
| 1221 | struct cfg80211_ibss_params *params); |
| 1222 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1223 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
| 1224 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1fa57d0 | 2010-06-10 10:21:32 +0200 | [diff] [blame] | 1225 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
| 1226 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1227 | struct sk_buff *skb); |
| 1228 | |
| 1229 | /* mesh code */ |
| 1230 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); |
| 1231 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1232 | struct sk_buff *skb); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1233 | |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1234 | /* scan/BSS handling */ |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1235 | void ieee80211_scan_work(struct work_struct *work); |
Johannes Berg | f3b8525 | 2009-04-23 16:01:47 +0200 | [diff] [blame] | 1236 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | be4a4b6 | 2010-05-03 08:49:48 +0200 | [diff] [blame] | 1237 | const u8 *ssid, u8 ssid_len, |
| 1238 | struct ieee80211_channel *chan); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1239 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1240 | struct cfg80211_scan_request *req); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1241 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1242 | ieee80211_rx_result |
Johannes Berg | f1d58c2 | 2009-06-17 13:13:00 +0200 | [diff] [blame] | 1243 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1244 | |
Johannes Berg | 0a51b27 | 2008-09-08 17:44:25 +0200 | [diff] [blame] | 1245 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1246 | struct ieee80211_bss * |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 1247 | ieee80211_bss_info_update(struct ieee80211_local *local, |
| 1248 | struct ieee80211_rx_status *rx_status, |
| 1249 | struct ieee80211_mgmt *mgmt, |
| 1250 | size_t len, |
| 1251 | struct ieee802_11_elems *elems, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1252 | struct ieee80211_channel *channel, |
| 1253 | bool beacon); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1254 | struct ieee80211_bss * |
Johannes Berg | 5484e23 | 2008-09-08 17:44:27 +0200 | [diff] [blame] | 1255 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
| 1256 | u8 *ssid, u8 ssid_len); |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 1257 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1258 | struct ieee80211_bss *bss); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1259 | |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1260 | /* scheduled scan handling */ |
| 1261 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, |
| 1262 | struct cfg80211_sched_scan_request *req); |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 1263 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
| 1264 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1265 | |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1266 | /* off-channel helpers */ |
Ben Greear | b23b025 | 2011-02-04 11:54:17 -0800 | [diff] [blame] | 1267 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, |
| 1268 | bool offchannel_ps_enable); |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1269 | void ieee80211_offchannel_return(struct ieee80211_local *local, |
Ben Greear | b23b025 | 2011-02-04 11:54:17 -0800 | [diff] [blame] | 1270 | bool offchannel_ps_disable); |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1271 | void ieee80211_hw_roc_setup(struct ieee80211_local *local); |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1272 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1273 | /* interface handling */ |
Johannes Berg | 47846c9 | 2009-11-25 17:46:19 +0100 | [diff] [blame] | 1274 | int ieee80211_iface_init(void); |
| 1275 | void ieee80211_iface_exit(void); |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1276 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1277 | struct net_device **new_dev, enum nl80211_iftype type, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1278 | struct vif_params *params); |
Johannes Berg | f3947e2 | 2008-07-09 14:40:36 +0200 | [diff] [blame] | 1279 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1280 | enum nl80211_iftype type); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1281 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 7563652 | 2008-07-09 14:40:35 +0200 | [diff] [blame] | 1282 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
Johannes Berg | 5cff20e | 2009-04-29 12:26:17 +0200 | [diff] [blame] | 1283 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
| 1284 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 1285 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
| 1286 | const int offset); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1287 | |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 1288 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
| 1289 | { |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 1290 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 1291 | } |
| 1292 | |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1293 | /* tx handling */ |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1294 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
| 1295 | void ieee80211_tx_pending(unsigned long data); |
Stephen Hemminger | d0cf9c0 | 2009-08-31 19:50:57 +0000 | [diff] [blame] | 1296 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
| 1297 | struct net_device *dev); |
| 1298 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, |
| 1299 | struct net_device *dev); |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1300 | |
Johannes Berg | de1ede7 | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1301 | /* HT */ |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 1302 | bool ieee80111_cfg_override_disables_ht40(struct ieee80211_sub_if_data *sdata); |
| 1303 | void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, |
| 1304 | struct ieee80211_sta_ht_cap *ht_cap); |
| 1305 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, |
| 1306 | struct ieee80211_supported_band *sband, |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 1307 | struct ieee80211_ht_cap *ht_cap_ie, |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 1308 | struct ieee80211_sta_ht_cap *ht_cap); |
Johannes Berg | b8695a8 | 2009-02-10 21:25:46 +0100 | [diff] [blame] | 1309 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
| 1310 | const u8 *da, u16 tid, |
| 1311 | u16 initiator, u16 reason_code); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1312 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
| 1313 | enum ieee80211_smps_mode smps, const u8 *da, |
| 1314 | const u8 *bssid); |
Johannes Berg | d1f5b7a | 2010-08-05 17:05:55 +0200 | [diff] [blame] | 1315 | void ieee80211_request_smps_work(struct work_struct *work); |
Johannes Berg | de1ede7 | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1316 | |
Johannes Berg | 7c3b1dd | 2010-06-10 10:21:44 +0200 | [diff] [blame] | 1317 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1318 | u16 initiator, u16 reason, bool stop); |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1319 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1320 | u16 initiator, u16 reason, bool stop); |
| 1321 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); |
Johannes Berg | de1ede7 | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1322 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
| 1323 | struct sta_info *sta, |
| 1324 | struct ieee80211_mgmt *mgmt, size_t len); |
| 1325 | void ieee80211_process_addba_resp(struct ieee80211_local *local, |
| 1326 | struct sta_info *sta, |
| 1327 | struct ieee80211_mgmt *mgmt, |
| 1328 | size_t len); |
| 1329 | void ieee80211_process_addba_request(struct ieee80211_local *local, |
| 1330 | struct sta_info *sta, |
| 1331 | struct ieee80211_mgmt *mgmt, |
| 1332 | size_t len); |
| 1333 | |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1334 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1335 | enum ieee80211_back_parties initiator, |
| 1336 | bool tx); |
Johannes Berg | 67c282c | 2010-06-10 10:21:43 +0200 | [diff] [blame] | 1337 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1338 | enum ieee80211_back_parties initiator, |
| 1339 | bool tx); |
Johannes Berg | 5d22c89 | 2010-06-10 10:21:40 +0200 | [diff] [blame] | 1340 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
| 1341 | void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); |
Johannes Berg | 67c282c | 2010-06-10 10:21:43 +0200 | [diff] [blame] | 1342 | void ieee80211_ba_session_work(struct work_struct *work); |
| 1343 | void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); |
Christian Lamparter | 2bff8eb | 2010-08-05 01:36:41 +0200 | [diff] [blame] | 1344 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1345 | |
Johannes Berg | 39192c0 | 2008-09-09 14:49:03 +0200 | [diff] [blame] | 1346 | /* Spectrum management */ |
| 1347 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, |
| 1348 | struct ieee80211_mgmt *mgmt, |
| 1349 | size_t len); |
| 1350 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1351 | /* Suspend/resume and hw reconfiguration */ |
| 1352 | int ieee80211_reconfig(struct ieee80211_local *local); |
Johannes Berg | 84f6a01 | 2009-08-20 20:02:20 +0200 | [diff] [blame] | 1353 | void ieee80211_stop_device(struct ieee80211_local *local); |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1354 | |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1355 | #ifdef CONFIG_PM |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 1356 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
| 1357 | struct cfg80211_wowlan *wowlan); |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1358 | |
| 1359 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
| 1360 | { |
John W. Linville | 85f72bc | 2010-09-01 16:12:28 -0400 | [diff] [blame] | 1361 | struct ieee80211_local *local = hw_to_local(hw); |
| 1362 | |
| 1363 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), |
| 1364 | "%s: resume with hardware scan still in progress\n", |
| 1365 | wiphy_name(hw->wiphy)); |
| 1366 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1367 | return ieee80211_reconfig(hw_to_local(hw)); |
| 1368 | } |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1369 | #else |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 1370 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw, |
| 1371 | struct cfg80211_wowlan *wowlan) |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1372 | { |
| 1373 | return 0; |
| 1374 | } |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1375 | |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1376 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
| 1377 | { |
| 1378 | return 0; |
| 1379 | } |
| 1380 | #endif |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 1381 | |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 1382 | /* utility functions/constants */ |
| 1383 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ |
Ron Rindjunsky | 7136471 | 2007-12-25 17:00:36 +0200 | [diff] [blame] | 1384 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1385 | enum nl80211_iftype type); |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 1386 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
| 1387 | int rate, int erp, int short_preamble); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1388 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 1389 | struct ieee80211_hdr *hdr, const u8 *tsc, |
| 1390 | gfp_t gfp); |
Johannes Berg | 3abead5 | 2012-03-02 15:56:59 +0100 | [diff] [blame] | 1391 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, |
| 1392 | bool bss_notify); |
Johannes Berg | ce662b44 | 2011-09-29 16:04:34 +0200 | [diff] [blame] | 1393 | void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
Helmut Schaa | cf6bb79 | 2011-12-15 10:18:34 +0100 | [diff] [blame] | 1394 | |
| 1395 | void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, |
| 1396 | struct sk_buff *skb, int tid); |
| 1397 | static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, |
| 1398 | struct sk_buff *skb) |
| 1399 | { |
| 1400 | /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ |
| 1401 | ieee80211_tx_skb_tid(sdata, skb, 7); |
| 1402 | } |
| 1403 | |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1404 | void ieee802_11_parse_elems(u8 *start, size_t len, |
| 1405 | struct ieee802_11_elems *elems); |
Johannes Berg | d91f36d | 2009-04-16 13:17:26 +0200 | [diff] [blame] | 1406 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
| 1407 | struct ieee802_11_elems *elems, |
| 1408 | u64 filter, u32 crc); |
Johannes Berg | 881d948 | 2009-01-21 15:13:48 +0100 | [diff] [blame] | 1409 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
Johannes Berg | 96dd22a | 2008-09-11 00:01:57 +0200 | [diff] [blame] | 1410 | enum ieee80211_band band); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1411 | |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1412 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
| 1413 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); |
| 1414 | void ieee80211_dynamic_ps_timer(unsigned long data); |
Vivek Natarajan | a97b77b | 2008-12-23 18:39:02 -0800 | [diff] [blame] | 1415 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
| 1416 | struct ieee80211_sub_if_data *sdata, |
| 1417 | int powersave); |
Kalle Valo | 3cf335d | 2009-03-22 21:57:06 +0200 | [diff] [blame] | 1418 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
| 1419 | struct ieee80211_hdr *hdr); |
Felix Fietkau | 4e5ff37 | 2010-11-23 03:10:31 +0100 | [diff] [blame] | 1420 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
Felix Fietkau | 04ac3c0 | 2010-12-02 21:01:08 +0100 | [diff] [blame] | 1421 | struct ieee80211_hdr *hdr, bool ack); |
Juuso Oikarinen | 1e4dcd0 | 2010-03-19 07:14:53 +0200 | [diff] [blame] | 1422 | void ieee80211_beacon_connection_loss_work(struct work_struct *work); |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1423 | |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1424 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
| 1425 | enum queue_stop_reason reason); |
| 1426 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, |
| 1427 | enum queue_stop_reason reason); |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 1428 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
| 1429 | enum queue_stop_reason reason); |
| 1430 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, |
| 1431 | enum queue_stop_reason reason); |
Johannes Berg | 8f77f38 | 2009-06-07 21:58:37 +0200 | [diff] [blame] | 1432 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
| 1433 | struct sk_buff *skb); |
Johannes Berg | b0b97a8 | 2011-09-29 16:04:30 +0200 | [diff] [blame] | 1434 | void ieee80211_add_pending_skbs(struct ieee80211_local *local, |
| 1435 | struct sk_buff_head *skbs); |
| 1436 | void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
| 1437 | struct sk_buff_head *skbs, |
| 1438 | void (*fn)(void *data), void *data); |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1439 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1440 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
| 1441 | u16 transaction, u16 auth_alg, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 1442 | u8 *extra, size_t extra_len, const u8 *bssid, |
Antonio Quartulli | efa6a09 | 2012-01-09 19:43:06 +0100 | [diff] [blame] | 1443 | const u8 *da, const u8 *key, u8 key_len, u8 key_idx); |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 1444 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
Johannes Berg | 4d36ec58 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 1445 | const u8 *ie, size_t ie_len, |
Jouni Malinen | 651b522 | 2010-08-28 19:37:51 +0300 | [diff] [blame] | 1446 | enum ieee80211_band band, u32 rate_mask, |
| 1447 | u8 channel); |
Juuso Oikarinen | a619a4c | 2010-11-11 08:50:18 +0200 | [diff] [blame] | 1448 | struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 85a237f | 2011-07-18 18:08:36 +0200 | [diff] [blame] | 1449 | u8 *dst, u32 ratemask, |
Juuso Oikarinen | a619a4c | 2010-11-11 08:50:18 +0200 | [diff] [blame] | 1450 | const u8 *ssid, size_t ssid_len, |
Paul Stewart | a806c55 | 2011-06-23 09:00:11 -0800 | [diff] [blame] | 1451 | const u8 *ie, size_t ie_len, |
| 1452 | bool directed); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1453 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 1454 | const u8 *ssid, size_t ssid_len, |
Paul Stewart | a806c55 | 2011-06-23 09:00:11 -0800 | [diff] [blame] | 1455 | const u8 *ie, size_t ie_len, |
Rajkumar Manoharan | aad14ce | 2011-09-25 14:53:31 +0530 | [diff] [blame] | 1456 | u32 ratemask, bool directed, bool no_cck); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1457 | |
| 1458 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, |
| 1459 | const size_t supp_rates_len, |
| 1460 | const u8 *supp_rates); |
| 1461 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, |
| 1462 | struct ieee802_11_elems *elems, |
| 1463 | enum ieee80211_band band); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1464 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
| 1465 | enum ieee80211_smps_mode smps_mode); |
Johannes Berg | 025e6be | 2010-10-05 10:41:47 +0200 | [diff] [blame] | 1466 | void ieee80211_recalc_smps(struct ieee80211_local *local); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1467 | |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1468 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
| 1469 | const u8 *ids, int n_ids, size_t offset); |
| 1470 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 1471 | u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
Alexander Simon | 42e7aa7 | 2011-10-26 14:47:26 -0700 | [diff] [blame] | 1472 | u16 cap); |
| 1473 | u8 *ieee80211_ie_build_ht_info(u8 *pos, |
| 1474 | struct ieee80211_sta_ht_cap *ht_cap, |
| 1475 | struct ieee80211_channel *channel, |
| 1476 | enum nl80211_channel_type channel_type); |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1477 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 1478 | /* internal work items */ |
| 1479 | void ieee80211_work_init(struct ieee80211_local *local); |
| 1480 | void ieee80211_add_work(struct ieee80211_work *wk); |
| 1481 | void free_work(struct ieee80211_work *wk); |
| 1482 | void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 1483 | int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, |
| 1484 | struct ieee80211_channel *chan, |
| 1485 | enum nl80211_channel_type channel_type, |
| 1486 | unsigned int duration, u64 *cookie); |
| 1487 | int ieee80211_wk_cancel_remain_on_channel( |
| 1488 | struct ieee80211_sub_if_data *sdata, u64 cookie); |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 1489 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1490 | /* channel management */ |
| 1491 | enum ieee80211_chan_mode { |
| 1492 | CHAN_MODE_UNDEFINED, |
| 1493 | CHAN_MODE_HOPPING, |
| 1494 | CHAN_MODE_FIXED, |
| 1495 | }; |
| 1496 | |
| 1497 | enum ieee80211_chan_mode |
| 1498 | ieee80211_get_channel_mode(struct ieee80211_local *local, |
| 1499 | struct ieee80211_sub_if_data *ignore); |
Johannes Berg | 0aaffa9 | 2010-05-05 15:28:27 +0200 | [diff] [blame] | 1500 | bool ieee80211_set_channel_type(struct ieee80211_local *local, |
| 1501 | struct ieee80211_sub_if_data *sdata, |
| 1502 | enum nl80211_channel_type chantype); |
Alexander Simon | 42e7aa7 | 2011-10-26 14:47:26 -0700 | [diff] [blame] | 1503 | enum nl80211_channel_type |
| 1504 | ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); |
Paul Stewart | 3117bbdb | 2012-03-13 07:46:18 -0700 | [diff] [blame] | 1505 | enum nl80211_channel_type ieee80211_get_tx_channel_type( |
| 1506 | struct ieee80211_local *local, |
| 1507 | enum nl80211_channel_type channel_type); |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1508 | |
Johannes Berg | f4ea83d | 2008-06-30 15:10:46 +0200 | [diff] [blame] | 1509 | #ifdef CONFIG_MAC80211_NOINLINE |
Johannes Berg | d9e8a70 | 2008-06-30 15:10:44 +0200 | [diff] [blame] | 1510 | #define debug_noinline noinline |
| 1511 | #else |
| 1512 | #define debug_noinline |
| 1513 | #endif |
| 1514 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1515 | #endif /* IEEE80211_I_H */ |