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" |
Johannes Berg | bdcbd8e | 2012-06-22 11:29:50 +0200 | [diff] [blame] | 33 | #include "debug.h" |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 34 | |
Johannes Berg | 9cfb000 | 2008-04-03 15:17:31 +0200 | [diff] [blame] | 35 | struct ieee80211_local; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 36 | |
| 37 | /* Maximum number of broadcast/multicast frames to buffer when some of the |
| 38 | * associated stations are using power saving. */ |
| 39 | #define AP_MAX_BC_BUFFER 128 |
| 40 | |
| 41 | /* Maximum number of frames buffered to all STAs, including multicast frames. |
| 42 | * Note: increasing this limit increases the potential memory requirement. Each |
| 43 | * frame can be up to about 2 kB long. */ |
| 44 | #define TOTAL_MAX_TX_BUFFER 512 |
| 45 | |
| 46 | /* Required encryption head and tailroom */ |
| 47 | #define IEEE80211_ENCRYPT_HEADROOM 8 |
Jouni Malinen | 765cb46 | 2009-01-08 13:32:01 +0200 | [diff] [blame] | 48 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 49 | |
| 50 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent |
| 51 | * reception of at least three fragmented frames. This limit can be increased |
| 52 | * by changing this define, at the cost of slower frame reassembly and |
| 53 | * increased memory use (about 2 kB of RAM per entry). */ |
| 54 | #define IEEE80211_FRAGMENT_MAX 4 |
| 55 | |
Felix Fietkau | 12d3952f | 2012-03-18 22:58:06 +0100 | [diff] [blame] | 56 | #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) |
| 57 | #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) |
Johannes Berg | 20ad19d | 2009-02-10 21:25:45 +0100 | [diff] [blame] | 58 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 59 | /* power level hasn't been configured (or set to automatic) */ |
| 60 | #define IEEE80211_UNSET_POWER_LEVEL INT_MIN |
| 61 | |
Arik Nemtsov | d6a4ed6 | 2012-06-18 10:43:50 +0300 | [diff] [blame] | 62 | /* |
| 63 | * Some APs experience problems when working with U-APSD. Decrease the |
| 64 | * probability of that happening by using legacy mode for all ACs but VO. |
| 65 | * The AP that caused us trouble was a Cisco 4410N. It ignores our |
| 66 | * setting, and always treats non-VO ACs as legacy. |
| 67 | */ |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 68 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
Arik Nemtsov | d6a4ed6 | 2012-06-18 10:43:50 +0300 | [diff] [blame] | 69 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 70 | |
| 71 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ |
| 72 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL |
| 73 | |
Antonio Quartulli | 6ae1677 | 2012-09-07 13:28:52 +0200 | [diff] [blame] | 74 | #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) |
| 75 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 76 | struct ieee80211_fragment_entry { |
| 77 | unsigned long first_frag_time; |
| 78 | unsigned int seq; |
| 79 | unsigned int rx_queue; |
| 80 | unsigned int last_frag; |
| 81 | unsigned int extra_len; |
| 82 | struct sk_buff_head skb_list; |
| 83 | int ccmp; /* Whether fragments were encrypted with CCMP */ |
| 84 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 85 | }; |
| 86 | |
| 87 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 88 | struct ieee80211_bss { |
Johannes Berg | ef429da | 2013-02-05 17:48:40 +0100 | [diff] [blame] | 89 | u32 device_ts_beacon, device_ts_presp; |
Johannes Berg | 8c358bc | 2012-05-22 22:13:05 +0200 | [diff] [blame] | 90 | |
Jouni Malinen | 43ac2ca | 2008-08-15 22:21:27 +0300 | [diff] [blame] | 91 | bool wmm_used; |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 92 | bool uapsd_supported; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 93 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 94 | #define IEEE80211_MAX_SUPP_RATES 32 |
| 95 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; |
| 96 | size_t supp_rates_len; |
Alexander Bondar | 817cee7 | 2013-05-19 14:23:57 +0300 | [diff] [blame] | 97 | struct ieee80211_rate *beacon_rate; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 98 | |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 99 | /* |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 100 | * During association, we save an ERP value from a probe response so |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 101 | * that we can feed ERP info to the driver when handling the |
| 102 | * association completes. these fields probably won't be up-to-date |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 103 | * otherwise, you probably don't want to use them. |
| 104 | */ |
| 105 | bool has_erp_value; |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 106 | u8 erp_value; |
Paul Stewart | fcff4f1 | 2012-02-23 17:59:53 -0800 | [diff] [blame] | 107 | |
| 108 | /* Keep track of the corruption of the last beacon/probe response. */ |
| 109 | u8 corrupt_data; |
| 110 | |
| 111 | /* Keep track of what bits of information we have valid info for. */ |
| 112 | u8 valid_data; |
| 113 | }; |
| 114 | |
| 115 | /** |
| 116 | * enum ieee80211_corrupt_data_flags - BSS data corruption flags |
| 117 | * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted |
| 118 | * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted |
| 119 | * |
| 120 | * These are bss flags that are attached to a bss in the |
| 121 | * @corrupt_data field of &struct ieee80211_bss. |
| 122 | */ |
| 123 | enum ieee80211_bss_corrupt_data_flags { |
| 124 | IEEE80211_BSS_CORRUPT_BEACON = BIT(0), |
| 125 | IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) |
| 126 | }; |
| 127 | |
| 128 | /** |
| 129 | * enum ieee80211_valid_data_flags - BSS valid data flags |
Paul Stewart | fcff4f1 | 2012-02-23 17:59:53 -0800 | [diff] [blame] | 130 | * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE |
| 131 | * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE |
| 132 | * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE |
| 133 | * |
| 134 | * These are bss flags that are attached to a bss in the |
| 135 | * @valid_data field of &struct ieee80211_bss. They show which parts |
| 136 | * of the data structure were recieved as a result of an un-corrupted |
| 137 | * beacon/probe response. |
| 138 | */ |
| 139 | enum ieee80211_bss_valid_data_flags { |
Paul Stewart | fcff4f1 | 2012-02-23 17:59:53 -0800 | [diff] [blame] | 140 | IEEE80211_BSS_VALID_WMM = BIT(1), |
| 141 | IEEE80211_BSS_VALID_RATES = BIT(2), |
| 142 | IEEE80211_BSS_VALID_ERP = BIT(3) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 143 | }; |
| 144 | |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 145 | typedef unsigned __bitwise__ ieee80211_tx_result; |
| 146 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) |
| 147 | #define TX_DROP ((__force ieee80211_tx_result) 1u) |
| 148 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) |
| 149 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 150 | #define IEEE80211_TX_UNICAST BIT(1) |
| 151 | #define IEEE80211_TX_PS_BUFFERED BIT(2) |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 152 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 153 | struct ieee80211_tx_data { |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 154 | struct sk_buff *skb; |
Johannes Berg | 252b86c | 2011-11-16 15:28:55 +0100 | [diff] [blame] | 155 | struct sk_buff_head skbs; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 156 | struct ieee80211_local *local; |
| 157 | struct ieee80211_sub_if_data *sdata; |
| 158 | struct sta_info *sta; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 159 | struct ieee80211_key *key; |
Felix Fietkau | 0d528d8 | 2013-04-22 16:14:41 +0200 | [diff] [blame] | 160 | struct ieee80211_tx_rate rate; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 161 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 162 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 163 | }; |
| 164 | |
| 165 | |
| 166 | typedef unsigned __bitwise__ ieee80211_rx_result; |
| 167 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
| 168 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) |
| 169 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) |
| 170 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) |
| 171 | |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 172 | /** |
| 173 | * enum ieee80211_packet_rx_flags - packet RX flags |
| 174 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed |
| 175 | * (incl. multicast frames) |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 176 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
| 177 | * @IEEE80211_RX_AMSDU: a-MSDU packet |
| 178 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed |
Christian Lamparter | 4cfda47 | 2010-12-27 23:21:26 +0100 | [diff] [blame] | 179 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 180 | * |
| 181 | * These are per-frame flags that are attached to a frame in the |
| 182 | * @rx_flags field of &struct ieee80211_rx_status. |
| 183 | */ |
| 184 | enum ieee80211_packet_rx_flags { |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 185 | IEEE80211_RX_RA_MATCH = BIT(1), |
| 186 | IEEE80211_RX_FRAGMENTED = BIT(2), |
| 187 | IEEE80211_RX_AMSDU = BIT(3), |
| 188 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), |
Christian Lamparter | 4cfda47 | 2010-12-27 23:21:26 +0100 | [diff] [blame] | 189 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 190 | }; |
| 191 | |
| 192 | /** |
| 193 | * enum ieee80211_rx_flags - RX data flags |
| 194 | * |
| 195 | * @IEEE80211_RX_CMNTR: received on cooked monitor already |
Johannes Berg | ee97192 | 2011-11-04 11:18:18 +0100 | [diff] [blame] | 196 | * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported |
| 197 | * to cfg80211_report_obss_beacon(). |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 198 | * |
| 199 | * These flags are used across handling multiple interfaces |
| 200 | * for a single frame. |
| 201 | */ |
| 202 | enum ieee80211_rx_flags { |
| 203 | IEEE80211_RX_CMNTR = BIT(0), |
Johannes Berg | ee97192 | 2011-11-04 11:18:18 +0100 | [diff] [blame] | 204 | IEEE80211_RX_BEACON_REPORTED = BIT(1), |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 205 | }; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 206 | |
| 207 | struct ieee80211_rx_data { |
| 208 | struct sk_buff *skb; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 209 | struct ieee80211_local *local; |
| 210 | struct ieee80211_sub_if_data *sdata; |
| 211 | struct sta_info *sta; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 212 | struct ieee80211_key *key; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 213 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 214 | unsigned int flags; |
Johannes Berg | 9e26297 | 2011-07-07 18:45:03 +0200 | [diff] [blame] | 215 | |
| 216 | /* |
| 217 | * Index into sequence numbers array, 0..16 |
| 218 | * since the last (16) is used for non-QoS, |
| 219 | * will be 16 on non-QoS frames. |
| 220 | */ |
| 221 | int seqno_idx; |
| 222 | |
| 223 | /* |
| 224 | * Index into the security IV/PN arrays, 0..16 |
| 225 | * since the last (16) is used for CCMP-encrypted |
| 226 | * management frames, will be set to 16 on mgmt |
| 227 | * frames and 0 on non-QoS frames. |
| 228 | */ |
| 229 | int security_idx; |
| 230 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 231 | u32 tkip_iv32; |
| 232 | u16 tkip_iv16; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 233 | }; |
| 234 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 235 | struct beacon_data { |
| 236 | u8 *head, *tail; |
| 237 | int head_len, tail_len; |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 238 | struct rcu_head rcu_head; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 239 | }; |
| 240 | |
Eyal Shapira | aa7a008 | 2012-08-06 14:26:16 +0300 | [diff] [blame] | 241 | struct probe_resp { |
| 242 | struct rcu_head rcu_head; |
| 243 | int len; |
| 244 | u8 data[0]; |
| 245 | }; |
| 246 | |
Marco Porsch | d012a60 | 2012-10-10 12:39:50 -0700 | [diff] [blame] | 247 | struct ps_data { |
| 248 | /* yes, this looks ugly, but guarantees that we can later use |
| 249 | * bitmap_empty :) |
| 250 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
| 251 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
| 252 | struct sk_buff_head bc_buf; |
| 253 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
| 254 | int dtim_count; |
| 255 | bool dtim_bc_mc; |
| 256 | }; |
| 257 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 258 | struct ieee80211_if_ap { |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 259 | struct beacon_data __rcu *beacon; |
Eyal Shapira | aa7a008 | 2012-08-06 14:26:16 +0300 | [diff] [blame] | 260 | struct probe_resp __rcu *probe_resp; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 261 | |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 262 | struct list_head vlans; |
| 263 | |
Marco Porsch | d012a60 | 2012-10-10 12:39:50 -0700 | [diff] [blame] | 264 | struct ps_data ps; |
Felix Fietkau | 030ef8f | 2012-04-23 19:49:02 +0200 | [diff] [blame] | 265 | atomic_t num_mcast_sta; /* number of stations receiving multicast */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 266 | }; |
| 267 | |
| 268 | struct ieee80211_if_wds { |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 269 | struct sta_info *sta; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 270 | u8 remote_addr[ETH_ALEN]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 271 | }; |
| 272 | |
| 273 | struct ieee80211_if_vlan { |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 274 | struct list_head list; |
Felix Fietkau | f14543ee | 2009-11-10 20:10:05 +0100 | [diff] [blame] | 275 | |
| 276 | /* 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] | 277 | struct sta_info __rcu *sta; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 278 | }; |
| 279 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 280 | struct mesh_stats { |
Daniel Walker | c8a61a7 | 2009-08-18 10:59:00 -0700 | [diff] [blame] | 281 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
| 282 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ |
| 283 | __u32 fwded_frames; /* Mesh total forwarded frames */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 284 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
| 285 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ |
Javier Cardona | cfee66b | 2011-09-06 13:05:21 -0700 | [diff] [blame] | 286 | __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 287 | }; |
| 288 | |
| 289 | #define PREQ_Q_F_START 0x1 |
| 290 | #define PREQ_Q_F_REFRESH 0x2 |
| 291 | struct mesh_preq_queue { |
| 292 | struct list_head list; |
| 293 | u8 dst[ETH_ALEN]; |
| 294 | u8 flags; |
| 295 | }; |
| 296 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 297 | #if HZ/100 == 0 |
| 298 | #define IEEE80211_ROC_MIN_LEFT 1 |
| 299 | #else |
| 300 | #define IEEE80211_ROC_MIN_LEFT (HZ/100) |
| 301 | #endif |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 302 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 303 | struct ieee80211_roc_work { |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 304 | struct list_head list; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 305 | struct list_head dependents; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 306 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 307 | struct delayed_work work; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 308 | |
| 309 | struct ieee80211_sub_if_data *sdata; |
| 310 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 311 | struct ieee80211_channel *chan; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 312 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 313 | bool started, abort, hw_begun, notified; |
Johannes Berg | 3fbd45c | 2013-03-25 11:51:14 +0100 | [diff] [blame] | 314 | bool to_be_freed; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 315 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 316 | unsigned long hw_start_time; |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 317 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 318 | u32 duration, req_duration; |
| 319 | struct sk_buff *frame; |
Johannes Berg | 50febf6 | 2012-10-26 16:13:06 +0200 | [diff] [blame] | 320 | u64 cookie, mgmt_tx_cookie; |
Ilan Peer | d339d5c | 2013-02-12 09:34:13 +0200 | [diff] [blame] | 321 | enum ieee80211_roc_type type; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 322 | }; |
| 323 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 324 | /* flags used in struct ieee80211_if_managed.flags */ |
Johannes Berg | ab1faea | 2009-07-01 21:41:17 +0200 | [diff] [blame] | 325 | enum ieee80211_sta_flags { |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 326 | IEEE80211_STA_BEACON_POLL = BIT(0), |
| 327 | IEEE80211_STA_CONNECTION_POLL = BIT(1), |
| 328 | IEEE80211_STA_CONTROL_PORT = BIT(2), |
Johannes Berg | a8243b7 | 2012-11-22 14:32:09 +0100 | [diff] [blame] | 329 | IEEE80211_STA_DISABLE_HT = BIT(4), |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 330 | IEEE80211_STA_CSA_RECEIVED = BIT(5), |
| 331 | IEEE80211_STA_MFP_ENABLED = BIT(6), |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 332 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
Vivek Natarajan | 375177b | 2010-02-09 14:50:28 +0530 | [diff] [blame] | 333 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 334 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
Johannes Berg | 24398e3 | 2012-03-28 10:58:36 +0200 | [diff] [blame] | 335 | IEEE80211_STA_DISABLE_40MHZ = BIT(10), |
Mahesh Palivela | d545dab | 2012-07-24 03:33:10 +0000 | [diff] [blame] | 336 | IEEE80211_STA_DISABLE_VHT = BIT(11), |
Johannes Berg | f2d9d27 | 2012-11-22 14:11:39 +0100 | [diff] [blame] | 337 | IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), |
| 338 | IEEE80211_STA_DISABLE_160MHZ = BIT(13), |
Johannes Berg | ab1faea | 2009-07-01 21:41:17 +0200 | [diff] [blame] | 339 | }; |
| 340 | |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 341 | struct ieee80211_mgd_auth_data { |
| 342 | struct cfg80211_bss *bss; |
| 343 | unsigned long timeout; |
| 344 | int tries; |
| 345 | u16 algorithm, expected_transaction; |
| 346 | |
| 347 | u8 key[WLAN_KEY_LEN_WEP104]; |
| 348 | u8 key_len, key_idx; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 349 | bool done; |
Johannes Berg | 89afe61 | 2013-02-13 15:39:57 +0100 | [diff] [blame] | 350 | bool timeout_started; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 351 | |
Jouni Malinen | 6b8ece3 | 2012-09-30 19:29:40 +0300 | [diff] [blame] | 352 | u16 sae_trans, sae_status; |
| 353 | size_t data_len; |
| 354 | u8 data[]; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 355 | }; |
| 356 | |
| 357 | struct ieee80211_mgd_assoc_data { |
| 358 | struct cfg80211_bss *bss; |
| 359 | const u8 *supp_rates; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 360 | |
| 361 | unsigned long timeout; |
| 362 | int tries; |
| 363 | |
| 364 | u16 capability; |
| 365 | u8 prev_bssid[ETH_ALEN]; |
| 366 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 367 | u8 ssid_len; |
| 368 | u8 supp_rates_len; |
Johannes Berg | 76f0303 | 2012-03-08 15:02:05 +0100 | [diff] [blame] | 369 | bool wmm, uapsd; |
Alexander Bondar | 989c650 | 2013-05-16 17:34:17 +0300 | [diff] [blame] | 370 | bool need_beacon; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 371 | bool synced; |
Johannes Berg | 89afe61 | 2013-02-13 15:39:57 +0100 | [diff] [blame] | 372 | bool timeout_started; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 373 | |
Johannes Berg | 9dde642 | 2012-05-16 23:43:19 +0200 | [diff] [blame] | 374 | u8 ap_ht_param; |
| 375 | |
Johannes Berg | b08fbbd | 2012-12-07 13:06:48 +0100 | [diff] [blame] | 376 | struct ieee80211_vht_cap ap_vht_cap; |
| 377 | |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 378 | size_t ie_len; |
| 379 | u8 ie[]; |
| 380 | }; |
| 381 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 382 | struct ieee80211_if_managed { |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 383 | struct timer_list timer; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 384 | struct timer_list conn_mon_timer; |
| 385 | struct timer_list bcn_mon_timer; |
Sujith | c481ec9 | 2009-01-06 09:28:37 +0530 | [diff] [blame] | 386 | struct timer_list chswitch_timer; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 387 | struct work_struct monitor_work; |
Sujith | c481ec9 | 2009-01-06 09:28:37 +0530 | [diff] [blame] | 388 | struct work_struct chswitch_work; |
Juuso Oikarinen | 1e4dcd0 | 2010-03-19 07:14:53 +0200 | [diff] [blame] | 389 | struct work_struct beacon_connection_loss_work; |
Johannes Berg | 882a7c6 | 2012-08-01 22:32:45 +0200 | [diff] [blame] | 390 | struct work_struct csa_connection_drop_work; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 391 | |
Felix Fietkau | 7ccc8bd | 2010-11-19 22:55:38 +0100 | [diff] [blame] | 392 | unsigned long beacon_timeout; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 393 | unsigned long probe_timeout; |
Maxim Levitsky | a43abf2 | 2009-07-31 18:54:12 +0300 | [diff] [blame] | 394 | int probe_send_count; |
Felix Fietkau | 04ac3c0 | 2010-12-02 21:01:08 +0100 | [diff] [blame] | 395 | bool nullfunc_failed; |
Johannes Berg | 682bd38 | 2013-01-29 13:13:50 +0100 | [diff] [blame] | 396 | bool connection_loss; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 397 | |
Johannes Berg | 0c1ad2c | 2009-12-23 13:15:39 +0100 | [diff] [blame] | 398 | struct cfg80211_bss *associated; |
Johannes Berg | 66e67e4 | 2012-01-20 13:55:27 +0100 | [diff] [blame] | 399 | struct ieee80211_mgd_auth_data *auth_data; |
| 400 | struct ieee80211_mgd_assoc_data *assoc_data; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 401 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 402 | u8 bssid[ETH_ALEN]; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 403 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 404 | u16 aid; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 405 | |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 406 | bool powersave; /* powersave requested for this iface */ |
Johannes Berg | 05cb910 | 2011-10-28 11:59:47 +0200 | [diff] [blame] | 407 | bool broken_ap; /* AP is broken -- turn off powersave */ |
Alexander Bondar | 989c650 | 2013-05-16 17:34:17 +0300 | [diff] [blame] | 408 | bool have_beacon; |
Johannes Berg | 826262c | 2012-12-10 16:38:14 +0200 | [diff] [blame] | 409 | u8 dtim_period; |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 410 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
Johannes Berg | d1f5b7a | 2010-08-05 17:05:55 +0200 | [diff] [blame] | 411 | driver_smps_mode; /* smps mode request */ |
| 412 | |
| 413 | struct work_struct request_smps_work; |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 414 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 415 | unsigned int flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 416 | |
Juuso Oikarinen | d8ec443 | 2010-10-01 16:02:31 +0300 | [diff] [blame] | 417 | bool beacon_crc_valid; |
Johannes Berg | d91f36d | 2009-04-16 13:17:26 +0200 | [diff] [blame] | 418 | u32 beacon_crc; |
| 419 | |
Johannes Berg | 1672c0e3 | 2013-01-29 15:02:27 +0100 | [diff] [blame] | 420 | bool status_acked; |
| 421 | bool status_received; |
| 422 | __le16 status_fc; |
| 423 | |
Jouni Malinen | fdfacf0 | 2009-01-08 13:32:05 +0200 | [diff] [blame] | 424 | enum { |
| 425 | IEEE80211_MFP_DISABLED, |
| 426 | IEEE80211_MFP_OPTIONAL, |
| 427 | IEEE80211_MFP_REQUIRED |
| 428 | } mfp; /* management frame protection */ |
| 429 | |
Eliad Peller | dc41e4d | 2012-03-14 16:15:03 +0200 | [diff] [blame] | 430 | /* |
| 431 | * Bitmask of enabled u-apsd queues, |
| 432 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association |
| 433 | * to take effect. |
| 434 | */ |
| 435 | unsigned int uapsd_queues; |
| 436 | |
| 437 | /* |
| 438 | * Maximum number of buffered frames AP can deliver during a |
| 439 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. |
| 440 | * Needs a new association to take effect. |
| 441 | */ |
| 442 | unsigned int uapsd_max_sp_len; |
| 443 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 444 | int wmm_last_param_set; |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 445 | |
| 446 | u8 use_4addr; |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 447 | |
Janusz Dziedzic | 67baf66 | 2013-03-21 15:47:56 +0100 | [diff] [blame] | 448 | s16 p2p_noa_index; |
Johannes Berg | 488dd7b | 2012-10-29 20:08:01 +0100 | [diff] [blame] | 449 | |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 450 | /* Signal strength from the last Beacon frame in the current BSS. */ |
| 451 | int last_beacon_signal; |
| 452 | |
| 453 | /* |
| 454 | * Weighted average of the signal strength from Beacon frames in the |
| 455 | * current BSS. This is in units of 1/16 of the signal unit to maintain |
| 456 | * accuracy and to speed up calculations, i.e., the value need to be |
| 457 | * divided by 16 to get the actual value. |
| 458 | */ |
| 459 | int ave_beacon_signal; |
| 460 | |
| 461 | /* |
Jouni Malinen | 391a200 | 2010-08-27 22:22:00 +0300 | [diff] [blame] | 462 | * Number of Beacon frames used in ave_beacon_signal. This can be used |
| 463 | * to avoid generating less reliable cqm events that would be based |
| 464 | * only on couple of received frames. |
| 465 | */ |
| 466 | unsigned int count_beacon_signal; |
| 467 | |
| 468 | /* |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 469 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) |
| 470 | * that triggered a cqm event. 0 indicates that no event has been |
| 471 | * generated for the current association. |
| 472 | */ |
| 473 | int last_cqm_event_signal; |
Meenakshi Venkataraman | 615f7b9 | 2011-07-08 08:46:22 -0700 | [diff] [blame] | 474 | |
| 475 | /* |
| 476 | * State variables for keeping track of RSSI of the AP currently |
| 477 | * connected to and informing driver when RSSI has gone |
| 478 | * below/above a certain threshold. |
| 479 | */ |
| 480 | int rssi_min_thold, rssi_max_thold; |
| 481 | int last_ave_beacon_signal; |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 482 | |
| 483 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ |
| 484 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ |
Johannes Berg | dd5ecfe | 2013-02-21 17:40:19 +0100 | [diff] [blame] | 485 | struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ |
| 486 | struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 487 | }; |
| 488 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 489 | struct ieee80211_if_ibss { |
| 490 | struct timer_list timer; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 491 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 492 | unsigned long last_scan_completed; |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 493 | |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 494 | u32 basic_rates; |
| 495 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 496 | bool fixed_bssid; |
| 497 | bool fixed_channel; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 498 | bool privacy; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 499 | |
Antonio Quartulli | 267335d | 2012-01-31 20:25:47 +0100 | [diff] [blame] | 500 | bool control_port; |
| 501 | |
Felix Fietkau | 4d196e4 | 2012-03-01 11:23:37 +0100 | [diff] [blame] | 502 | u8 bssid[ETH_ALEN] __aligned(2); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 503 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 504 | u8 ssid_len, ie_len; |
| 505 | u8 *ie; |
Simon Wunderlich | 3aede78 | 2013-05-16 13:00:36 +0200 | [diff] [blame] | 506 | struct cfg80211_chan_def chandef; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 507 | |
| 508 | unsigned long ibss_join_req; |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 509 | /* probe response/beacon for IBSS */ |
Johannes Berg | c3ffeab | 2013-03-07 20:54:29 +0100 | [diff] [blame] | 510 | struct beacon_data __rcu *presp; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 511 | |
Simon Wunderlich | 822854b | 2013-06-28 10:39:59 +0200 | [diff] [blame] | 512 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ |
| 513 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ |
| 514 | |
Johannes Berg | 8bf11d8 | 2011-12-15 11:17:37 +0100 | [diff] [blame] | 515 | spinlock_t incomplete_lock; |
| 516 | struct list_head incomplete_stations; |
| 517 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 518 | enum { |
| 519 | IEEE80211_IBSS_MLME_SEARCH, |
| 520 | IEEE80211_IBSS_MLME_JOINED, |
| 521 | } state; |
| 522 | }; |
| 523 | |
Javier Cardona | dbf498f | 2012-03-31 11:31:32 -0700 | [diff] [blame] | 524 | /** |
| 525 | * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface |
| 526 | * |
| 527 | * these declarations define the interface, which enables |
| 528 | * vendor-specific mesh synchronization |
| 529 | * |
| 530 | */ |
| 531 | struct ieee802_11_elems; |
| 532 | struct ieee80211_mesh_sync_ops { |
| 533 | void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, |
| 534 | u16 stype, |
| 535 | struct ieee80211_mgmt *mgmt, |
| 536 | struct ieee802_11_elems *elems, |
| 537 | struct ieee80211_rx_status *rx_status); |
| 538 | void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); |
| 539 | /* add other framework functions here */ |
| 540 | }; |
| 541 | |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 542 | struct ieee80211_if_mesh { |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 543 | struct timer_list housekeeping_timer; |
| 544 | struct timer_list mesh_path_timer; |
Rui Paulo | e304bfd | 2009-11-09 23:46:56 +0000 | [diff] [blame] | 545 | struct timer_list mesh_path_root_timer; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 546 | |
Javier Cardona | 1888923 | 2009-08-10 12:15:52 -0700 | [diff] [blame] | 547 | unsigned long wrkq_flags; |
Thomas Pedersen | f81a9de | 2013-06-13 15:54:41 -0700 | [diff] [blame] | 548 | unsigned long mbss_changed; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 549 | |
| 550 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; |
| 551 | size_t mesh_id_len; |
| 552 | /* Active Path Selection Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 553 | u8 mesh_pp_id; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 554 | /* Active Path Selection Metric Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 555 | u8 mesh_pm_id; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 556 | /* Congestion Control Mode Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 557 | u8 mesh_cc_id; |
Javier Cardona | 9e03fdf | 2009-08-20 09:21:45 -0700 | [diff] [blame] | 558 | /* Synchronization Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 559 | u8 mesh_sp_id; |
Javier Cardona | 9e03fdf | 2009-08-20 09:21:45 -0700 | [diff] [blame] | 560 | /* Authentication Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 561 | u8 mesh_auth_id; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 562 | /* Local mesh Sequence Number */ |
| 563 | u32 sn; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 564 | /* Last used PREQ ID */ |
| 565 | u32 preq_id; |
| 566 | atomic_t mpaths; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 567 | /* Timestamp of last SN update */ |
| 568 | unsigned long last_sn_update; |
Thomas Pedersen | dca7e94 | 2011-11-24 17:15:24 -0800 | [diff] [blame] | 569 | /* Time when it's ok to send next PERR */ |
| 570 | unsigned long next_perr; |
| 571 | /* Timestamp of last PREQ sent */ |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 572 | unsigned long last_preq; |
| 573 | struct mesh_rmc *rmc; |
| 574 | spinlock_t mesh_preq_queue_lock; |
| 575 | struct mesh_preq_queue preq_queue; |
| 576 | int preq_queue_len; |
| 577 | struct mesh_stats mshstats; |
| 578 | struct mesh_config mshcfg; |
Ashok Nagarajan | 1258d97 | 2012-10-09 13:27:47 -0700 | [diff] [blame] | 579 | atomic_t estab_plinks; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 580 | u32 mesh_seqnum; |
| 581 | bool accepting_plinks; |
Javier Cardona | 5ee68e5 | 2011-08-09 16:45:08 -0700 | [diff] [blame] | 582 | int num_gates; |
Thomas Pedersen | 2b5e196 | 2013-02-14 11:20:13 -0800 | [diff] [blame] | 583 | struct beacon_data __rcu *beacon; |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 584 | const u8 *ie; |
| 585 | u8 ie_len; |
Javier Cardona | b130e5c | 2011-05-03 16:57:07 -0700 | [diff] [blame] | 586 | enum { |
| 587 | IEEE80211_MESH_SEC_NONE = 0x0, |
| 588 | IEEE80211_MESH_SEC_AUTHED = 0x1, |
| 589 | IEEE80211_MESH_SEC_SECURED = 0x2, |
| 590 | } security; |
Thomas Pedersen | a6dad6a | 2013-03-04 13:06:12 -0800 | [diff] [blame] | 591 | bool user_mpm; |
Javier Cardona | dbf498f | 2012-03-31 11:31:32 -0700 | [diff] [blame] | 592 | /* Extensible Synchronization Framework */ |
Johannes Berg | 8ba7acf | 2012-09-30 17:07:19 +0200 | [diff] [blame] | 593 | const struct ieee80211_mesh_sync_ops *sync_ops; |
Javier Cardona | dbf498f | 2012-03-31 11:31:32 -0700 | [diff] [blame] | 594 | s64 sync_offset_clockdrift_max; |
| 595 | spinlock_t sync_offset_lock; |
| 596 | bool adjusting_tbtt; |
Marco Porsch | 3f52b7e | 2013-01-30 18:14:08 +0100 | [diff] [blame] | 597 | /* mesh power save */ |
| 598 | enum nl80211_mesh_power_mode nonpeer_pm; |
| 599 | int ps_peers_light_sleep; |
| 600 | int ps_peers_deep_sleep; |
| 601 | struct ps_data ps; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 602 | }; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 603 | |
| 604 | #ifdef CONFIG_MAC80211_MESH |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 605 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
| 606 | do { (msh)->mshstats.name++; } while (0) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 607 | #else |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 608 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 609 | do { } while (0) |
| 610 | #endif |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 611 | |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 612 | /** |
| 613 | * enum ieee80211_sub_if_data_flags - virtual interface flags |
| 614 | * |
| 615 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets |
| 616 | * @IEEE80211_SDATA_PROMISC: interface is promisc |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 617 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
| 618 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between |
| 619 | * associated stations and deliver multicast frames both |
| 620 | * back to wireless media and to the local net stack. |
Johannes Berg | 95acac6 | 2011-07-12 12:30:59 +0200 | [diff] [blame] | 621 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
Johannes Berg | 7b7eab6 | 2011-11-03 14:41:13 +0100 | [diff] [blame] | 622 | * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 623 | */ |
| 624 | enum ieee80211_sub_if_data_flags { |
| 625 | IEEE80211_SDATA_ALLMULTI = BIT(0), |
| 626 | IEEE80211_SDATA_PROMISC = BIT(1), |
Johannes Berg | 7986cf9 | 2009-03-21 17:08:43 +0100 | [diff] [blame] | 627 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
| 628 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), |
Johannes Berg | 95acac6 | 2011-07-12 12:30:59 +0200 | [diff] [blame] | 629 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
Johannes Berg | 7b7eab6 | 2011-11-03 14:41:13 +0100 | [diff] [blame] | 630 | IEEE80211_SDATA_IN_DRIVER = BIT(5), |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 631 | }; |
| 632 | |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 633 | /** |
| 634 | * enum ieee80211_sdata_state_bits - virtual interface state bits |
| 635 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this |
| 636 | * mirrors netif_running() but is separate for interface type |
| 637 | * change handling while the interface is up |
Johannes Berg | 5b714c6 | 2010-08-27 13:45:28 +0200 | [diff] [blame] | 638 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
| 639 | * mode, so queues are stopped |
Johannes Berg | d6a8322 | 2012-12-14 14:06:28 +0100 | [diff] [blame] | 640 | * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due |
| 641 | * to offchannel, reset when offchannel returns |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 642 | */ |
| 643 | enum ieee80211_sdata_state_bits { |
| 644 | SDATA_STATE_RUNNING, |
Johannes Berg | 5b714c6 | 2010-08-27 13:45:28 +0200 | [diff] [blame] | 645 | SDATA_STATE_OFFCHANNEL, |
Johannes Berg | d6a8322 | 2012-12-14 14:06:28 +0100 | [diff] [blame] | 646 | SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 647 | }; |
| 648 | |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 649 | /** |
| 650 | * enum ieee80211_chanctx_mode - channel context configuration mode |
| 651 | * |
| 652 | * @IEEE80211_CHANCTX_SHARED: channel context may be used by |
| 653 | * multiple interfaces |
| 654 | * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used |
| 655 | * only by a single interface. This can be used for example for |
| 656 | * non-fixed channel IBSS. |
| 657 | */ |
| 658 | enum ieee80211_chanctx_mode { |
| 659 | IEEE80211_CHANCTX_SHARED, |
| 660 | IEEE80211_CHANCTX_EXCLUSIVE |
| 661 | }; |
| 662 | |
| 663 | struct ieee80211_chanctx { |
| 664 | struct list_head list; |
| 665 | struct rcu_head rcu_head; |
| 666 | |
| 667 | enum ieee80211_chanctx_mode mode; |
| 668 | int refcount; |
Johannes Berg | 8a61af6 | 2012-12-13 17:42:30 +0100 | [diff] [blame] | 669 | bool driver_present; |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 670 | |
| 671 | struct ieee80211_chanctx_conf conf; |
| 672 | }; |
| 673 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 674 | struct ieee80211_sub_if_data { |
| 675 | struct list_head list; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 676 | |
| 677 | struct wireless_dev wdev; |
| 678 | |
Johannes Berg | 11a843b | 2007-08-28 17:01:55 -0400 | [diff] [blame] | 679 | /* keys */ |
| 680 | struct list_head key_list; |
| 681 | |
Yogesh Ashok Powar | 3bff186 | 2011-06-28 18:41:37 +0530 | [diff] [blame] | 682 | /* count for keys needing tailroom space allocation */ |
| 683 | int crypto_tx_tailroom_needed_cnt; |
Johannes Berg | 8d1f7ec | 2013-02-23 00:59:03 +0100 | [diff] [blame] | 684 | int crypto_tx_tailroom_pending_dec; |
| 685 | struct delayed_work dec_tailroom_needed_wk; |
Yogesh Ashok Powar | 3bff186 | 2011-06-28 18:41:37 +0530 | [diff] [blame] | 686 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 687 | struct net_device *dev; |
| 688 | struct ieee80211_local *local; |
| 689 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 690 | unsigned int flags; |
Daniel Drake | 7e9ed18 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 691 | |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 692 | unsigned long state; |
| 693 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 694 | int drop_unencrypted; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 695 | |
Johannes Berg | 47846c9 | 2009-11-25 17:46:19 +0100 | [diff] [blame] | 696 | char name[IFNAMSIZ]; |
| 697 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 698 | /* Fragment table for host-based reassembly */ |
| 699 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; |
| 700 | unsigned int fragment_next; |
| 701 | |
Simon Wunderlich | b53be79 | 2011-11-18 14:20:44 +0100 | [diff] [blame] | 702 | /* TID bitmap for NoAck policy */ |
| 703 | u16 noack_map; |
| 704 | |
Yoni Divinsky | 00e96de | 2012-06-20 15:39:13 +0300 | [diff] [blame] | 705 | /* bit field of ACM bits (BIT(802.1D tag)) */ |
| 706 | u8 wmm_acm; |
| 707 | |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 708 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
| 709 | struct ieee80211_key __rcu *default_unicast_key; |
| 710 | struct ieee80211_key __rcu *default_multicast_key; |
| 711 | struct ieee80211_key __rcu *default_mgmt_key; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 712 | |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 713 | u16 sequence_number; |
Johannes Berg | a621fa4 | 2010-08-27 14:26:54 +0300 | [diff] [blame] | 714 | __be16 control_port_protocol; |
| 715 | bool control_port_no_encrypt; |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 716 | |
Johannes Berg | 54bcbc6 | 2012-03-28 11:04:25 +0200 | [diff] [blame] | 717 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; |
Eliad Peller | f6f3def | 2011-09-25 20:06:54 +0300 | [diff] [blame] | 718 | |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 719 | /* used to reconfigure hardware SM PS */ |
| 720 | struct work_struct recalc_smps; |
| 721 | |
Johannes Berg | 64592c8 | 2010-06-10 10:21:31 +0200 | [diff] [blame] | 722 | struct work_struct work; |
Johannes Berg | 35f20c1 | 2010-06-10 10:21:30 +0200 | [diff] [blame] | 723 | struct sk_buff_head skb_queue; |
| 724 | |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 725 | u8 needed_rx_chains; |
| 726 | enum ieee80211_smps_mode smps_mode; |
| 727 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 728 | int user_power_level; /* in dBm */ |
| 729 | int ap_power_level; /* in dBm */ |
| 730 | |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 731 | bool radar_required; |
| 732 | struct delayed_work dfs_cac_timer_work; |
| 733 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 734 | /* |
| 735 | * AP this belongs to: self in AP mode and |
| 736 | * corresponding AP in VLAN mode, NULL for |
| 737 | * all others (might be needed later in IBSS) |
| 738 | */ |
| 739 | struct ieee80211_if_ap *bss; |
| 740 | |
Jouni Malinen | 37eb0b1 | 2010-01-06 13:09:08 +0200 | [diff] [blame] | 741 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
| 742 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; |
Felix Fietkau | 2ffbe6d | 2013-04-16 13:38:42 +0200 | [diff] [blame] | 743 | |
| 744 | bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; |
Simon Wunderlich | 1946841 | 2012-01-28 17:25:33 +0100 | [diff] [blame] | 745 | 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] | 746 | |
| 747 | union { |
| 748 | struct ieee80211_if_ap ap; |
| 749 | struct ieee80211_if_wds wds; |
| 750 | struct ieee80211_if_vlan vlan; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 751 | struct ieee80211_if_managed mgd; |
| 752 | struct ieee80211_if_ibss ibss; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 753 | struct ieee80211_if_mesh mesh; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 754 | u32 mntr_flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 755 | } u; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 756 | |
Johannes Berg | 97f97b1 | 2012-12-13 22:54:58 +0100 | [diff] [blame] | 757 | spinlock_t cleanup_stations_lock; |
| 758 | struct list_head cleanup_stations; |
| 759 | struct work_struct cleanup_stations_wk; |
| 760 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 761 | #ifdef CONFIG_MAC80211_DEBUGFS |
Jouni Malinen | 2b58b20 | 2008-08-28 15:12:06 +0300 | [diff] [blame] | 762 | struct { |
Ben Greear | 295bafb | 2010-09-22 20:29:01 -0700 | [diff] [blame] | 763 | struct dentry *subdir_stations; |
Johannes Berg | f7e0104 | 2010-12-09 19:49:02 +0100 | [diff] [blame] | 764 | struct dentry *default_unicast_key; |
| 765 | struct dentry *default_multicast_key; |
Jouni Malinen | 3cfcf6ac | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 766 | struct dentry *default_mgmt_key; |
Johannes Berg | 7bcfaf2 | 2009-10-27 12:59:03 +0100 | [diff] [blame] | 767 | } debugfs; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 768 | #endif |
Johannes Berg | 529ba6e | 2012-12-13 17:16:45 +0100 | [diff] [blame] | 769 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 770 | /* must be last, dynamically sized area in this! */ |
| 771 | struct ieee80211_vif vif; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 772 | }; |
| 773 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 774 | static inline |
| 775 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) |
| 776 | { |
| 777 | return container_of(p, struct ieee80211_sub_if_data, vif); |
| 778 | } |
| 779 | |
Johannes Berg | 8d61ffa | 2013-05-10 12:32:47 +0200 | [diff] [blame] | 780 | static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) |
| 781 | __acquires(&sdata->wdev.mtx) |
| 782 | { |
| 783 | mutex_lock(&sdata->wdev.mtx); |
| 784 | __acquire(&sdata->wdev.mtx); |
| 785 | } |
| 786 | |
| 787 | static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) |
| 788 | __releases(&sdata->wdev.mtx) |
| 789 | { |
| 790 | mutex_unlock(&sdata->wdev.mtx); |
| 791 | __release(&sdata->wdev.mtx); |
| 792 | } |
| 793 | |
| 794 | static inline void |
| 795 | sdata_assert_lock(struct ieee80211_sub_if_data *sdata) |
| 796 | { |
| 797 | lockdep_assert_held(&sdata->wdev.mtx); |
| 798 | } |
| 799 | |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 800 | static inline enum ieee80211_band |
| 801 | ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) |
| 802 | { |
| 803 | enum ieee80211_band band = IEEE80211_BAND_2GHZ; |
| 804 | struct ieee80211_chanctx_conf *chanctx_conf; |
| 805 | |
| 806 | rcu_read_lock(); |
| 807 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
| 808 | if (!WARN_ON(!chanctx_conf)) |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 809 | band = chanctx_conf->def.chan->band; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 810 | rcu_read_unlock(); |
| 811 | |
| 812 | return band; |
| 813 | } |
| 814 | |
Johannes Berg | c1475ca | 2010-06-10 10:21:37 +0200 | [diff] [blame] | 815 | enum sdata_queue_type { |
| 816 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, |
| 817 | IEEE80211_SDATA_QUEUE_AGG_START = 1, |
| 818 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, |
| 819 | }; |
| 820 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 821 | enum { |
| 822 | IEEE80211_RX_MSG = 1, |
| 823 | IEEE80211_TX_STATUS_MSG = 2, |
| 824 | }; |
| 825 | |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 826 | enum queue_stop_reason { |
| 827 | IEEE80211_QUEUE_STOP_REASON_DRIVER, |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 828 | IEEE80211_QUEUE_STOP_REASON_PS, |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 829 | IEEE80211_QUEUE_STOP_REASON_CSA, |
| 830 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, |
Johannes Berg | 2542060 | 2009-03-13 11:43:36 +0100 | [diff] [blame] | 831 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
Johannes Berg | 8f77f38 | 2009-06-07 21:58:37 +0200 | [diff] [blame] | 832 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
Seth Forshee | 6c17b77 | 2013-02-11 11:21:07 -0600 | [diff] [blame] | 833 | IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, |
Johannes Berg | 445ea4e | 2013-02-13 12:25:28 +0100 | [diff] [blame] | 834 | IEEE80211_QUEUE_STOP_REASON_FLUSH, |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 835 | }; |
| 836 | |
Luciano Coelho | 65a6538 | 2010-12-21 16:02:17 +0200 | [diff] [blame] | 837 | #ifdef CONFIG_MAC80211_LEDS |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 838 | struct tpt_led_trigger { |
| 839 | struct led_trigger trig; |
| 840 | char name[32]; |
| 841 | const struct ieee80211_tpt_blink *blink_table; |
| 842 | unsigned int blink_table_len; |
| 843 | struct timer_list timer; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 844 | unsigned long prev_traffic; |
| 845 | unsigned long tx_bytes, rx_bytes; |
Johannes Berg | 67408c8 | 2010-11-30 08:59:23 +0100 | [diff] [blame] | 846 | unsigned int active, want; |
| 847 | bool running; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 848 | }; |
Luciano Coelho | 65a6538 | 2010-12-21 16:02:17 +0200 | [diff] [blame] | 849 | #endif |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 850 | |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 851 | /** |
| 852 | * mac80211 scan flags - currently active scan mode |
| 853 | * |
| 854 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as |
| 855 | * well be on the operating channel |
| 856 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to |
| 857 | * determine if we are on the operating channel or not |
Ben Greear | 8a69067 | 2012-04-17 10:54:16 -0700 | [diff] [blame] | 858 | * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating |
| 859 | * channel. This should not interrupt normal traffic. |
Johannes Berg | 8789d45 | 2010-08-26 13:30:26 +0200 | [diff] [blame] | 860 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
| 861 | * that the scan completed. |
| 862 | * @SCAN_ABORTED: Set for our scan work function when the driver reported |
| 863 | * a scan complete for an aborted scan. |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 864 | */ |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 865 | enum { |
| 866 | SCAN_SW_SCANNING, |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 867 | SCAN_HW_SCANNING, |
Ben Greear | 8a69067 | 2012-04-17 10:54:16 -0700 | [diff] [blame] | 868 | SCAN_ONCHANNEL_SCANNING, |
Johannes Berg | 8789d45 | 2010-08-26 13:30:26 +0200 | [diff] [blame] | 869 | SCAN_COMPLETED, |
| 870 | SCAN_ABORTED, |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 871 | }; |
| 872 | |
| 873 | /** |
| 874 | * enum mac80211_scan_state - scan state machine states |
| 875 | * |
| 876 | * @SCAN_DECISION: Main entry point to the scan state machine, this state |
| 877 | * determines if we should keep on scanning or switch back to the |
| 878 | * operating channel |
| 879 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned |
| 880 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses |
Johannes Berg | 07ef03e | 2011-11-08 16:21:21 +0100 | [diff] [blame] | 881 | * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to |
| 882 | * send out data |
| 883 | * @SCAN_RESUME: Resume the scan and scan the next channel |
Sam Leffler | cd2bb51 | 2012-10-11 21:03:35 -0700 | [diff] [blame] | 884 | * @SCAN_ABORT: Abort the scan and go back to operating channel |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 885 | */ |
| 886 | enum mac80211_scan_state { |
| 887 | SCAN_DECISION, |
| 888 | SCAN_SET_CHANNEL, |
| 889 | SCAN_SEND_PROBE, |
Johannes Berg | 07ef03e | 2011-11-08 16:21:21 +0100 | [diff] [blame] | 890 | SCAN_SUSPEND, |
| 891 | SCAN_RESUME, |
Sam Leffler | cd2bb51 | 2012-10-11 21:03:35 -0700 | [diff] [blame] | 892 | SCAN_ABORT, |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 893 | }; |
| 894 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 895 | struct ieee80211_local { |
| 896 | /* embed the driver visible part. |
| 897 | * don't cast (use the static inlines below), but we keep |
| 898 | * it first anyway so they become a no-op */ |
| 899 | struct ieee80211_hw hw; |
| 900 | |
| 901 | const struct ieee80211_ops *ops; |
| 902 | |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 903 | /* |
| 904 | * private workqueue to mac80211. mac80211 makes this accessible |
| 905 | * via ieee80211_queue_work() |
| 906 | */ |
| 907 | struct workqueue_struct *workqueue; |
| 908 | |
Johannes Berg | e4e72fb | 2009-03-23 17:28:42 +0100 | [diff] [blame] | 909 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 910 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 911 | spinlock_t queue_stop_reason_lock; |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 912 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 913 | int open_count; |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 914 | int monitors, cooked_mntrs; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 915 | /* number of interfaces with corresponding FIF_ flags */ |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 916 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
| 917 | fif_probe_req; |
| 918 | int probe_req_reg; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 919 | unsigned int filter_flags; /* FIF_* */ |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 920 | |
Johannes Berg | 3ffc2a9 | 2010-08-27 14:26:52 +0300 | [diff] [blame] | 921 | bool wiphy_ciphers_allocated; |
| 922 | |
Johannes Berg | fe57d9f | 2012-07-26 14:55:08 +0200 | [diff] [blame] | 923 | bool use_chanctx; |
| 924 | |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 925 | /* protects the aggregated multicast list and filter calls */ |
| 926 | spinlock_t filter_lock; |
| 927 | |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 928 | /* used for uploading changed mc list */ |
| 929 | struct work_struct reconfig_filter; |
| 930 | |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 931 | /* aggregated multicast list */ |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 932 | struct netdev_hw_addr_list mc_list; |
Johannes Berg | 3b8d81e0 | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 933 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 934 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 935 | |
| 936 | /* |
| 937 | * suspended is true if we finished all the suspend _and_ we have |
| 938 | * not yet come up from resume. This is to be used by mac80211 |
| 939 | * to ensure driver sanity during suspend and mac80211's own |
| 940 | * sanity. It can eventually be used for WoW as well. |
| 941 | */ |
| 942 | bool suspended; |
| 943 | |
| 944 | /* |
Johannes Berg | ceb99fe | 2009-11-19 14:29:39 +0100 | [diff] [blame] | 945 | * Resuming is true while suspended, but when we're reprogramming the |
| 946 | * hardware -- at that time it's allowed to use ieee80211_queue_work() |
| 947 | * again even though some other parts of the stack are still suspended |
| 948 | * and we still drop received frames to avoid waking the stack. |
| 949 | */ |
| 950 | bool resuming; |
| 951 | |
| 952 | /* |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 953 | * quiescing is true during the suspend process _only_ to |
| 954 | * ease timer cancelling etc. |
| 955 | */ |
| 956 | bool quiescing; |
| 957 | |
Johannes Berg | ea77f12 | 2009-08-21 14:44:45 +0200 | [diff] [blame] | 958 | /* device is started */ |
| 959 | bool started; |
| 960 | |
Arik Nemtsov | 04800ad | 2012-06-06 11:25:02 +0300 | [diff] [blame] | 961 | /* device is during a HW reconfig */ |
| 962 | bool in_reconfig; |
| 963 | |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 964 | /* wowlan is enabled -- don't reconfig on resume */ |
| 965 | bool wowlan; |
| 966 | |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 967 | /* DFS/radar detection is enabled */ |
| 968 | bool radar_detect_enabled; |
| 969 | struct work_struct radar_detected_work; |
| 970 | |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 971 | /* number of RX chains the hardware has */ |
| 972 | u8 rx_chains; |
| 973 | |
Johannes Berg | b306f45 | 2007-07-10 19:32:08 +0200 | [diff] [blame] | 974 | int tx_headroom; /* required headroom for hardware/radiotap */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 975 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 976 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
| 977 | * added to skb_queue will be processed, but frames in |
| 978 | * skb_queue_unreliable may be dropped if the total length of these |
| 979 | * queues increases over the limit. */ |
| 980 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 |
| 981 | struct tasklet_struct tasklet; |
| 982 | struct sk_buff_head skb_queue; |
| 983 | struct sk_buff_head skb_queue_unreliable; |
| 984 | |
Christian Lamparter | f9e124f | 2013-02-04 17:44:44 +0000 | [diff] [blame] | 985 | spinlock_t rx_path_lock; |
Christian Lamparter | 24a8fda | 2010-12-30 17:25:29 +0100 | [diff] [blame] | 986 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 987 | /* Station data */ |
| 988 | /* |
Johannes Berg | 4d33960 | 2011-12-15 11:24:20 +0100 | [diff] [blame] | 989 | * The mutex only protects the list, hash table and |
| 990 | * counter, reads are done with RCU. |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 991 | */ |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 992 | struct mutex sta_mtx; |
Johannes Berg | 4d33960 | 2011-12-15 11:24:20 +0100 | [diff] [blame] | 993 | spinlock_t tim_lock; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 994 | unsigned long num_sta; |
Johannes Berg | 4d33960 | 2011-12-15 11:24:20 +0100 | [diff] [blame] | 995 | struct list_head sta_list; |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 996 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 997 | struct timer_list sta_cleanup; |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 998 | int sta_generation; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 999 | |
Johannes Berg | 2a577d9 | 2009-03-23 17:28:37 +0100 | [diff] [blame] | 1000 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1001 | struct tasklet_struct tx_pending_tasklet; |
| 1002 | |
Johannes Berg | a6a67db | 2010-06-10 10:21:41 +0200 | [diff] [blame] | 1003 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
Johannes Berg | cd8ffc8 | 2009-03-23 17:28:41 +0100 | [diff] [blame] | 1004 | |
Johannes Berg | 5391899 | 2007-09-26 15:19:47 +0200 | [diff] [blame] | 1005 | /* number of interfaces with corresponding IFF_ flags */ |
| 1006 | atomic_t iff_allmultis, iff_promiscs; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1007 | |
| 1008 | struct rate_control_ref *rate_ctrl; |
| 1009 | |
Felix Fietkau | 5f9f181 | 2011-03-25 21:39:19 +0100 | [diff] [blame] | 1010 | struct crypto_cipher *wep_tx_tfm; |
| 1011 | struct crypto_cipher *wep_rx_tfm; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1012 | u32 wep_iv; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1013 | |
Johannes Berg | c771c9d | 2009-01-23 22:54:03 +0100 | [diff] [blame] | 1014 | /* see iface.c */ |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 1015 | struct list_head interfaces; |
Johannes Berg | c771c9d | 2009-01-23 22:54:03 +0100 | [diff] [blame] | 1016 | struct mutex iflist_mtx; |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 1017 | |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 1018 | /* |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 1019 | * Key mutex, protects sdata's key_list and sta_info's |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 1020 | * key pointers (write access, they're RCU.) |
| 1021 | */ |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 1022 | struct mutex key_mtx; |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 1023 | |
Johannes Berg | a1699b7 | 2010-07-30 16:46:07 +0200 | [diff] [blame] | 1024 | /* mutex for scan and work locking */ |
| 1025 | struct mutex mtx; |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 1026 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1027 | /* Scanning and BSS list */ |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 1028 | unsigned long scanning; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1029 | struct cfg80211_ssid scan_ssid; |
Johannes Berg | 5ba6353 | 2009-08-07 17:54:07 +0200 | [diff] [blame] | 1030 | struct cfg80211_scan_request *int_scan_req; |
Johannes Berg | 4d36ec58 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 1031 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1032 | struct ieee80211_channel *scan_channel; |
Johannes Berg | 4d36ec58 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 1033 | enum ieee80211_band hw_scan_band; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1034 | int scan_channel_idx; |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 1035 | int scan_ies_len; |
Johannes Berg | c604b9f | 2012-11-29 12:45:18 +0100 | [diff] [blame] | 1036 | int hw_scan_ies_bufsize; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 1037 | |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 1038 | struct work_struct sched_scan_stopped_work; |
Johannes Berg | 5260a5b | 2012-07-06 21:55:11 +0200 | [diff] [blame] | 1039 | struct ieee80211_sub_if_data __rcu *sched_scan_sdata; |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1040 | |
Helmut Schaa | df13cce | 2010-02-24 14:19:21 +0100 | [diff] [blame] | 1041 | unsigned long leave_oper_channel_time; |
Helmut Schaa | 977923b | 2009-07-23 12:14:20 +0200 | [diff] [blame] | 1042 | enum mac80211_scan_state next_scan_state; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1043 | struct delayed_work scan_work; |
Johannes Berg | e2fd5db | 2012-07-06 21:39:28 +0200 | [diff] [blame] | 1044 | struct ieee80211_sub_if_data __rcu *scan_sdata; |
Johannes Berg | 85220d7 | 2013-03-25 18:29:27 +0100 | [diff] [blame] | 1045 | struct cfg80211_chan_def csa_chandef; |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1046 | /* For backward compatibility only -- do not use */ |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 1047 | struct cfg80211_chan_def _oper_chandef; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1048 | |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 1049 | /* Temporary remain-on-channel for off-channel operations */ |
| 1050 | struct ieee80211_channel *tmp_channel; |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 1051 | |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 1052 | /* channel contexts */ |
| 1053 | struct list_head chanctx_list; |
| 1054 | struct mutex chanctx_mtx; |
| 1055 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1056 | /* SNMP counters */ |
| 1057 | /* dot11CountersTable */ |
| 1058 | u32 dot11TransmittedFragmentCount; |
| 1059 | u32 dot11MulticastTransmittedFrameCount; |
| 1060 | u32 dot11FailedCount; |
| 1061 | u32 dot11RetryCount; |
| 1062 | u32 dot11MultipleRetryCount; |
| 1063 | u32 dot11FrameDuplicateCount; |
| 1064 | u32 dot11ReceivedFragmentCount; |
| 1065 | u32 dot11MulticastReceivedFrameCount; |
| 1066 | u32 dot11TransmittedFrameCount; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1067 | |
| 1068 | #ifdef CONFIG_MAC80211_LEDS |
| 1069 | int tx_led_counter, rx_led_counter; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 1070 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 1071 | struct tpt_led_trigger *tpt_led_trigger; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 1072 | char tx_led_name[32], rx_led_name[32], |
| 1073 | assoc_led_name[32], radio_led_name[32]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1074 | #endif |
| 1075 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1076 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 1077 | /* TX/RX handler statistics */ |
| 1078 | unsigned int tx_handlers_drop; |
| 1079 | unsigned int tx_handlers_queued; |
| 1080 | unsigned int tx_handlers_drop_unencrypted; |
| 1081 | unsigned int tx_handlers_drop_fragment; |
| 1082 | unsigned int tx_handlers_drop_wep; |
| 1083 | unsigned int tx_handlers_drop_not_assoc; |
| 1084 | unsigned int tx_handlers_drop_unauth_port; |
| 1085 | unsigned int rx_handlers_drop; |
| 1086 | unsigned int rx_handlers_queued; |
| 1087 | unsigned int rx_handlers_drop_nullfunc; |
| 1088 | unsigned int rx_handlers_drop_defrag; |
| 1089 | unsigned int rx_handlers_drop_short; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1090 | unsigned int tx_expand_skb_head; |
| 1091 | unsigned int tx_expand_skb_head_cloned; |
| 1092 | unsigned int rx_expand_skb_head; |
| 1093 | unsigned int rx_expand_skb_head2; |
| 1094 | unsigned int rx_handlers_fragments; |
| 1095 | unsigned int tx_status_drop; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1096 | #define I802_DEBUG_INC(c) (c)++ |
| 1097 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 1098 | #define I802_DEBUG_INC(c) do { } while (0) |
| 1099 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 1100 | |
| 1101 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1102 | int total_ps_buffered; /* total number of all buffered unicast and |
| 1103 | * multicast packets for power saving stations |
| 1104 | */ |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1105 | |
Kalle Valo | 572e001 | 2009-02-10 17:09:31 +0200 | [diff] [blame] | 1106 | bool pspolling; |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1107 | bool offchannel_ps_enabled; |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 1108 | /* |
| 1109 | * PS can only be enabled when we have exactly one managed |
| 1110 | * interface (and monitors) in PS, this then points there. |
| 1111 | */ |
| 1112 | struct ieee80211_sub_if_data *ps_sdata; |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1113 | struct work_struct dynamic_ps_enable_work; |
| 1114 | struct work_struct dynamic_ps_disable_work; |
| 1115 | struct timer_list dynamic_ps_timer; |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1116 | struct notifier_block network_latency_notifier; |
Juuso Oikarinen | 2b2c009 | 2010-05-27 15:32:13 +0300 | [diff] [blame] | 1117 | struct notifier_block ifa_notifier; |
Johannes Berg | a65240c | 2013-01-14 15:14:34 +0100 | [diff] [blame] | 1118 | struct notifier_block ifa6_notifier; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1119 | |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 1120 | /* |
| 1121 | * The dynamic ps timeout configured from user space via WEXT - |
| 1122 | * this will override whatever chosen by mac80211 internally. |
| 1123 | */ |
| 1124 | int dynamic_ps_forced_timeout; |
| 1125 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 1126 | int user_power_level; /* in dBm, for all interfaces */ |
Johannes Berg | 2bf30fa | 2009-01-06 23:23:56 +0100 | [diff] [blame] | 1127 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1128 | enum ieee80211_smps_mode smps_mode; |
| 1129 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1130 | struct work_struct restart_work; |
| 1131 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 1132 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 1133 | struct local_debugfsdentries { |
Johannes Berg | 4b7679a | 2008-09-18 18:14:18 +0200 | [diff] [blame] | 1134 | struct dentry *rcdir; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 1135 | struct dentry *keys; |
| 1136 | } debugfs; |
| 1137 | #endif |
John W. Linville | 4e6cbfd | 2010-07-29 16:14:13 -0400 | [diff] [blame] | 1138 | |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 1139 | /* |
| 1140 | * Remain-on-channel support |
| 1141 | */ |
| 1142 | struct list_head roc_list; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1143 | struct work_struct hw_roc_start, hw_roc_done; |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 1144 | unsigned long hw_roc_start_time; |
Johannes Berg | 50febf6 | 2012-10-26 16:13:06 +0200 | [diff] [blame] | 1145 | u64 roc_cookie_counter; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1146 | |
Johannes Berg | a729cff | 2011-11-06 14:13:34 +0100 | [diff] [blame] | 1147 | struct idr ack_status_frames; |
| 1148 | spinlock_t ack_status_lock; |
| 1149 | |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 1150 | struct ieee80211_sub_if_data __rcu *p2p_sdata; |
| 1151 | |
Johannes Berg | 4b6f1dd | 2012-04-03 14:35:57 +0200 | [diff] [blame] | 1152 | /* virtual monitor interface */ |
| 1153 | struct ieee80211_sub_if_data __rcu *monitor_sdata; |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1154 | struct cfg80211_chan_def monitor_chandef; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1155 | }; |
| 1156 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1157 | static inline struct ieee80211_sub_if_data * |
| 1158 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) |
| 1159 | { |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1160 | return netdev_priv(dev); |
| 1161 | } |
| 1162 | |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 1163 | static inline struct ieee80211_sub_if_data * |
| 1164 | IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) |
| 1165 | { |
| 1166 | return container_of(wdev, struct ieee80211_sub_if_data, wdev); |
| 1167 | } |
| 1168 | |
Johannes Berg | c1475ca | 2010-06-10 10:21:37 +0200 | [diff] [blame] | 1169 | /* this struct represents 802.11n's RA/TID combination */ |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 1170 | struct ieee80211_ra_tid { |
| 1171 | u8 ra[ETH_ALEN]; |
| 1172 | u16 tid; |
| 1173 | }; |
| 1174 | |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1175 | /* Parsed Information Elements */ |
| 1176 | struct ieee802_11_elems { |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1177 | const u8 *ie_start; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1178 | size_t total_len; |
| 1179 | |
| 1180 | /* pointers to IEs */ |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1181 | const u8 *ssid; |
| 1182 | const u8 *supp_rates; |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1183 | const u8 *ds_params; |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1184 | const struct ieee80211_tim_ie *tim; |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1185 | const u8 *challenge; |
| 1186 | const u8 *rsn; |
| 1187 | const u8 *erp_info; |
| 1188 | const u8 *ext_supp_rates; |
| 1189 | const u8 *wmm_info; |
| 1190 | const u8 *wmm_param; |
| 1191 | const struct ieee80211_ht_cap *ht_cap_elem; |
| 1192 | const struct ieee80211_ht_operation *ht_operation; |
| 1193 | const struct ieee80211_vht_cap *vht_cap_elem; |
| 1194 | const struct ieee80211_vht_operation *vht_operation; |
| 1195 | const struct ieee80211_meshconf_ie *mesh_config; |
| 1196 | const u8 *mesh_id; |
| 1197 | const u8 *peering; |
| 1198 | const __le16 *awake_window; |
| 1199 | const u8 *preq; |
| 1200 | const u8 *prep; |
| 1201 | const u8 *perr; |
| 1202 | const struct ieee80211_rann_ie *rann; |
| 1203 | const struct ieee80211_channel_sw_ie *ch_switch_ie; |
Johannes Berg | b4f286a1 | 2013-03-26 14:13:58 +0100 | [diff] [blame] | 1204 | const struct ieee80211_ext_chansw_ie *ext_chansw_ie; |
Johannes Berg | b2e506b | 2013-03-26 14:54:16 +0100 | [diff] [blame] | 1205 | const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1206 | const u8 *country_elem; |
| 1207 | const u8 *pwr_constr_elem; |
Johannes Berg | 79ba1d8 | 2013-03-27 14:38:07 +0100 | [diff] [blame] | 1208 | const struct ieee80211_timeout_interval_ie *timeout_int; |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1209 | const u8 *opmode_notif; |
Johannes Berg | 85220d7 | 2013-03-25 18:29:27 +0100 | [diff] [blame] | 1210 | const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1211 | |
| 1212 | /* length of them, respectively */ |
| 1213 | u8 ssid_len; |
| 1214 | u8 supp_rates_len; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1215 | u8 tim_len; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1216 | u8 challenge_len; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1217 | u8 rsn_len; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1218 | u8 ext_supp_rates_len; |
| 1219 | u8 wmm_info_len; |
| 1220 | u8 wmm_param_len; |
| 1221 | u8 mesh_id_len; |
| 1222 | u8 peering_len; |
| 1223 | u8 preq_len; |
| 1224 | u8 prep_len; |
| 1225 | u8 perr_len; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1226 | u8 country_elem_len; |
Paul Stewart | fcff4f1 | 2012-02-23 17:59:53 -0800 | [diff] [blame] | 1227 | |
| 1228 | /* whether a parse error occurred while retrieving these elements */ |
| 1229 | bool parse_error; |
Johannes Berg | dd76986 | 2011-11-18 16:54:50 +0100 | [diff] [blame] | 1230 | }; |
| 1231 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1232 | static inline struct ieee80211_local *hw_to_local( |
| 1233 | struct ieee80211_hw *hw) |
| 1234 | { |
| 1235 | return container_of(hw, struct ieee80211_local, hw); |
| 1236 | } |
| 1237 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1238 | |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1239 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
| 1240 | { |
Joe Perches | b203ca3 | 2012-05-08 18:56:52 +0000 | [diff] [blame] | 1241 | return ether_addr_equal(raddr, addr) || |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1242 | is_broadcast_ether_addr(raddr); |
| 1243 | } |
| 1244 | |
Thomas Pedersen | f4bda33 | 2012-11-13 10:46:27 -0800 | [diff] [blame] | 1245 | static inline bool |
| 1246 | ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) |
| 1247 | { |
| 1248 | WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && |
| 1249 | status->flag & RX_FLAG_MACTIME_END); |
| 1250 | return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); |
| 1251 | } |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1252 | |
Thomas Pedersen | f4bda33 | 2012-11-13 10:46:27 -0800 | [diff] [blame] | 1253 | u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, |
| 1254 | struct ieee80211_rx_status *status, |
| 1255 | unsigned int mpdu_len, |
| 1256 | unsigned int mpdu_offset); |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1257 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 1258 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1259 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
| 1260 | u32 changed); |
Johannes Berg | 0d143fe | 2008-09-11 00:01:59 +0200 | [diff] [blame] | 1261 | void ieee80211_configure_filter(struct ieee80211_local *local); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1262 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1263 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1264 | /* STA code */ |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1265 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 1266 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
| 1267 | struct cfg80211_auth_request *req); |
| 1268 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, |
| 1269 | struct cfg80211_assoc_request *req); |
| 1270 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 1271 | struct cfg80211_deauth_request *req); |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 1272 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 1273 | struct cfg80211_disassoc_request *req); |
Kalle Valo | 572e001 | 2009-02-10 17:09:31 +0200 | [diff] [blame] | 1274 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
| 1275 | struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1276 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
Eliad Peller | ab09587 | 2012-07-27 12:33:22 +0300 | [diff] [blame] | 1277 | void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1278 | int ieee80211_max_network_latency(struct notifier_block *nb, |
| 1279 | unsigned long data, void *dummy); |
Juuso Oikarinen | 2b2c009 | 2010-05-27 15:32:13 +0300 | [diff] [blame] | 1280 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1fa57d0 | 2010-06-10 10:21:32 +0200 | [diff] [blame] | 1281 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
| 1282 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1283 | struct sk_buff *skb); |
Luis R. Rodriguez | d3a910a | 2010-09-16 15:12:32 -0400 | [diff] [blame] | 1284 | 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] | 1285 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
Eliad Peller | afa762f | 2012-04-23 14:45:15 +0300 | [diff] [blame] | 1286 | void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1672c0e3 | 2013-01-29 15:02:27 +0100 | [diff] [blame] | 1287 | void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, |
| 1288 | __le16 fc, bool acked); |
Johannes Berg | b8360ab | 2013-04-29 14:57:44 +0200 | [diff] [blame] | 1289 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1290 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1291 | /* IBSS code */ |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1292 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
| 1293 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 8bf11d8 | 2011-12-15 11:17:37 +0100 | [diff] [blame] | 1294 | void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, |
| 1295 | const u8 *bssid, const u8 *addr, u32 supp_rates); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 1296 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
| 1297 | struct cfg80211_ibss_params *params); |
| 1298 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1fa57d0 | 2010-06-10 10:21:32 +0200 | [diff] [blame] | 1299 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
| 1300 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1301 | struct sk_buff *skb); |
| 1302 | |
| 1303 | /* mesh code */ |
| 1304 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); |
| 1305 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1306 | struct sk_buff *skb); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1307 | |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1308 | /* scan/BSS handling */ |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1309 | void ieee80211_scan_work(struct work_struct *work); |
Stanislaw Gruszka | 34bcf71 | 2012-12-11 10:48:23 +0100 | [diff] [blame] | 1310 | int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, |
| 1311 | const u8 *ssid, u8 ssid_len, |
| 1312 | struct ieee80211_channel *chan); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1313 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1314 | struct cfg80211_scan_request *req); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1315 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
Stanislaw Gruszka | 133d40f | 2012-03-28 16:01:19 +0200 | [diff] [blame] | 1316 | void ieee80211_run_deferred_scan(struct ieee80211_local *local); |
Johannes Berg | d48b296 | 2012-07-06 22:19:27 +0200 | [diff] [blame] | 1317 | void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1318 | |
Johannes Berg | 0a51b27 | 2008-09-08 17:44:25 +0200 | [diff] [blame] | 1319 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1320 | struct ieee80211_bss * |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 1321 | ieee80211_bss_info_update(struct ieee80211_local *local, |
| 1322 | struct ieee80211_rx_status *rx_status, |
| 1323 | struct ieee80211_mgmt *mgmt, |
| 1324 | size_t len, |
| 1325 | struct ieee802_11_elems *elems, |
Emmanuel Grumbach | d45c417 | 2012-12-10 16:19:13 +0200 | [diff] [blame] | 1326 | struct ieee80211_channel *channel); |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 1327 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1328 | struct ieee80211_bss *bss); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1329 | |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1330 | /* scheduled scan handling */ |
| 1331 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, |
| 1332 | struct cfg80211_sched_scan_request *req); |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 1333 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
| 1334 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1335 | |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1336 | /* off-channel helpers */ |
Stanislaw Gruszka | aacde9e | 2012-12-20 14:41:18 +0100 | [diff] [blame] | 1337 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); |
| 1338 | void ieee80211_offchannel_return(struct ieee80211_local *local); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 1339 | void ieee80211_roc_setup(struct ieee80211_local *local); |
| 1340 | void ieee80211_start_next_roc(struct ieee80211_local *local); |
Johannes Berg | c8f994e | 2013-03-27 22:49:19 +0100 | [diff] [blame] | 1341 | void ieee80211_roc_purge(struct ieee80211_local *local, |
| 1342 | struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 3fbd45c | 2013-03-25 11:51:14 +0100 | [diff] [blame] | 1343 | void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); |
Johannes Berg | 2eb278e | 2012-06-05 14:28:42 +0200 | [diff] [blame] | 1344 | void ieee80211_sw_roc_work(struct work_struct *work); |
| 1345 | void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1346 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1347 | /* interface handling */ |
Johannes Berg | 47846c9 | 2009-11-25 17:46:19 +0100 | [diff] [blame] | 1348 | int ieee80211_iface_init(void); |
| 1349 | void ieee80211_iface_exit(void); |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1350 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
Johannes Berg | 84efbb8 | 2012-06-16 00:00:26 +0200 | [diff] [blame] | 1351 | struct wireless_dev **new_wdev, enum nl80211_iftype type, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1352 | struct vif_params *params); |
Johannes Berg | f3947e2 | 2008-07-09 14:40:36 +0200 | [diff] [blame] | 1353 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1354 | enum nl80211_iftype type); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1355 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 7563652 | 2008-07-09 14:40:35 +0200 | [diff] [blame] | 1356 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
Johannes Berg | 382a103 | 2013-03-22 22:30:09 +0100 | [diff] [blame] | 1357 | u32 ieee80211_idle_off(struct ieee80211_local *local); |
Johannes Berg | 5cff20e | 2009-04-29 12:26:17 +0200 | [diff] [blame] | 1358 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 1359 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
| 1360 | const int offset); |
Johannes Berg | f142c6b | 2012-06-18 20:07:15 +0200 | [diff] [blame] | 1361 | int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); |
| 1362 | void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 3c3e21e | 2013-03-27 23:20:27 +0100 | [diff] [blame] | 1363 | int ieee80211_add_virtual_monitor(struct ieee80211_local *local); |
| 1364 | void ieee80211_del_virtual_monitor(struct ieee80211_local *local); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1365 | |
Johannes Berg | 1ea6f9c | 2012-10-24 10:59:25 +0200 | [diff] [blame] | 1366 | bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); |
| 1367 | void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); |
| 1368 | |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 1369 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
| 1370 | { |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 1371 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 1372 | } |
| 1373 | |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1374 | /* tx handling */ |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1375 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
| 1376 | void ieee80211_tx_pending(unsigned long data); |
Stephen Hemminger | d0cf9c0 | 2009-08-31 19:50:57 +0000 | [diff] [blame] | 1377 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
| 1378 | struct net_device *dev); |
| 1379 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, |
| 1380 | struct net_device *dev); |
Felix Fietkau | 1f98ab7 | 2012-11-10 03:44:14 +0100 | [diff] [blame] | 1381 | void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, |
| 1382 | struct sk_buff_head *skbs); |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1383 | |
Johannes Berg | de1ede7 | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1384 | /* HT */ |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 1385 | void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, |
| 1386 | struct ieee80211_sta_ht_cap *ht_cap); |
Johannes Berg | e1a0c6b | 2013-02-07 11:47:44 +0100 | [diff] [blame] | 1387 | bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, |
Ben Greear | ef96a842 | 2011-11-18 11:32:00 -0800 | [diff] [blame] | 1388 | struct ieee80211_supported_band *sband, |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1389 | const struct ieee80211_ht_cap *ht_cap_ie, |
Johannes Berg | e1a0c6b | 2013-02-07 11:47:44 +0100 | [diff] [blame] | 1390 | struct sta_info *sta); |
Johannes Berg | b8695a8 | 2009-02-10 21:25:46 +0100 | [diff] [blame] | 1391 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
| 1392 | const u8 *da, u16 tid, |
| 1393 | u16 initiator, u16 reason_code); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1394 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
| 1395 | enum ieee80211_smps_mode smps, const u8 *da, |
| 1396 | const u8 *bssid); |
Johannes Berg | d1f5b7a | 2010-08-05 17:05:55 +0200 | [diff] [blame] | 1397 | void ieee80211_request_smps_work(struct work_struct *work); |
Johannes Berg | de1ede7 | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1398 | |
Johannes Berg | 7c3b1dd | 2010-06-10 10:21:44 +0200 | [diff] [blame] | 1399 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1400 | u16 initiator, u16 reason, bool stop); |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1401 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1402 | u16 initiator, u16 reason, bool stop); |
Johannes Berg | c82c4a8 | 2012-07-18 13:31:31 +0200 | [diff] [blame] | 1403 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, |
| 1404 | enum ieee80211_agg_stop_reason reason); |
Johannes Berg | de1ede7 | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1405 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
| 1406 | struct sta_info *sta, |
| 1407 | struct ieee80211_mgmt *mgmt, size_t len); |
| 1408 | void ieee80211_process_addba_resp(struct ieee80211_local *local, |
| 1409 | struct sta_info *sta, |
| 1410 | struct ieee80211_mgmt *mgmt, |
| 1411 | size_t len); |
| 1412 | void ieee80211_process_addba_request(struct ieee80211_local *local, |
| 1413 | struct sta_info *sta, |
| 1414 | struct ieee80211_mgmt *mgmt, |
| 1415 | size_t len); |
| 1416 | |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1417 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | c82c4a8 | 2012-07-18 13:31:31 +0200 | [diff] [blame] | 1418 | enum ieee80211_agg_stop_reason reason); |
Johannes Berg | 67c282c | 2010-06-10 10:21:43 +0200 | [diff] [blame] | 1419 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | c82c4a8 | 2012-07-18 13:31:31 +0200 | [diff] [blame] | 1420 | enum ieee80211_agg_stop_reason reason); |
Johannes Berg | 5d22c89 | 2010-06-10 10:21:40 +0200 | [diff] [blame] | 1421 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
| 1422 | 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] | 1423 | void ieee80211_ba_session_work(struct work_struct *work); |
| 1424 | 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] | 1425 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1426 | |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 1427 | u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); |
| 1428 | |
Mahesh Palivela | 818255e | 2012-10-10 11:33:04 +0000 | [diff] [blame] | 1429 | /* VHT */ |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1430 | void |
| 1431 | ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, |
| 1432 | struct ieee80211_supported_band *sband, |
| 1433 | const struct ieee80211_vht_cap *vht_cap_ie, |
| 1434 | struct sta_info *sta); |
Johannes Berg | e1a0c6b | 2013-02-07 11:47:44 +0100 | [diff] [blame] | 1435 | enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); |
Johannes Berg | 8921d04 | 2012-12-27 18:26:42 +0100 | [diff] [blame] | 1436 | void ieee80211_sta_set_rx_nss(struct sta_info *sta); |
Johannes Berg | 0af83d3 | 2012-12-27 18:55:36 +0100 | [diff] [blame] | 1437 | void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, |
| 1438 | struct sta_info *sta, u8 opmode, |
Johannes Berg | bee7f58 | 2013-02-07 22:24:55 +0100 | [diff] [blame] | 1439 | enum ieee80211_band band, bool nss_only); |
Johannes Berg | dd5ecfe | 2013-02-21 17:40:19 +0100 | [diff] [blame] | 1440 | void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, |
| 1441 | struct ieee80211_sta_vht_cap *vht_cap); |
Johannes Berg | 4a34215 | 2013-02-07 11:58:58 +0100 | [diff] [blame] | 1442 | |
Johannes Berg | 39192c0 | 2008-09-09 14:49:03 +0200 | [diff] [blame] | 1443 | /* Spectrum management */ |
| 1444 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, |
| 1445 | struct ieee80211_mgmt *mgmt, |
| 1446 | size_t len); |
| 1447 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1448 | /* Suspend/resume and hw reconfiguration */ |
| 1449 | int ieee80211_reconfig(struct ieee80211_local *local); |
Johannes Berg | 84f6a01 | 2009-08-20 20:02:20 +0200 | [diff] [blame] | 1450 | void ieee80211_stop_device(struct ieee80211_local *local); |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1451 | |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 1452 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
| 1453 | struct cfg80211_wowlan *wowlan); |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1454 | |
| 1455 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
| 1456 | { |
John W. Linville | 85f72bc | 2010-09-01 16:12:28 -0400 | [diff] [blame] | 1457 | struct ieee80211_local *local = hw_to_local(hw); |
| 1458 | |
| 1459 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), |
| 1460 | "%s: resume with hardware scan still in progress\n", |
| 1461 | wiphy_name(hw->wiphy)); |
| 1462 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1463 | return ieee80211_reconfig(hw_to_local(hw)); |
| 1464 | } |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 1465 | |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 1466 | /* utility functions/constants */ |
| 1467 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ |
Ron Rindjunsky | 7136471 | 2007-12-25 17:00:36 +0200 | [diff] [blame] | 1468 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1469 | enum nl80211_iftype type); |
Michal Kazior | 4ee73f3 | 2012-04-11 08:47:56 +0200 | [diff] [blame] | 1470 | int ieee80211_frame_duration(enum ieee80211_band band, size_t len, |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 1471 | int rate, int erp, int short_preamble); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1472 | 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] | 1473 | struct ieee80211_hdr *hdr, const u8 *tsc, |
| 1474 | gfp_t gfp); |
Johannes Berg | 3abead5 | 2012-03-02 15:56:59 +0100 | [diff] [blame] | 1475 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, |
| 1476 | bool bss_notify); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1477 | void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
| 1478 | enum ieee80211_band band); |
Helmut Schaa | cf6bb79 | 2011-12-15 10:18:34 +0100 | [diff] [blame] | 1479 | |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1480 | void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, |
| 1481 | struct sk_buff *skb, int tid, |
| 1482 | enum ieee80211_band band); |
| 1483 | |
| 1484 | static inline void |
| 1485 | ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, |
| 1486 | struct sk_buff *skb, int tid, |
| 1487 | enum ieee80211_band band) |
| 1488 | { |
| 1489 | rcu_read_lock(); |
| 1490 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); |
| 1491 | rcu_read_unlock(); |
| 1492 | } |
| 1493 | |
| 1494 | static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, |
| 1495 | struct sk_buff *skb, int tid) |
| 1496 | { |
| 1497 | struct ieee80211_chanctx_conf *chanctx_conf; |
| 1498 | |
| 1499 | rcu_read_lock(); |
| 1500 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
| 1501 | if (WARN_ON(!chanctx_conf)) { |
| 1502 | rcu_read_unlock(); |
| 1503 | kfree_skb(skb); |
| 1504 | return; |
| 1505 | } |
| 1506 | |
| 1507 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1508 | chanctx_conf->def.chan->band); |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1509 | rcu_read_unlock(); |
| 1510 | } |
| 1511 | |
| 1512 | static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, |
Helmut Schaa | cf6bb79 | 2011-12-15 10:18:34 +0100 | [diff] [blame] | 1513 | struct sk_buff *skb) |
| 1514 | { |
| 1515 | /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ |
| 1516 | ieee80211_tx_skb_tid(sdata, skb, 7); |
| 1517 | } |
| 1518 | |
Johannes Berg | 35d865a | 2013-05-28 10:54:03 +0200 | [diff] [blame] | 1519 | u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, |
Johannes Berg | d91f36d | 2009-04-16 13:17:26 +0200 | [diff] [blame] | 1520 | struct ieee802_11_elems *elems, |
| 1521 | u64 filter, u32 crc); |
Johannes Berg | 35d865a | 2013-05-28 10:54:03 +0200 | [diff] [blame] | 1522 | static inline void ieee802_11_parse_elems(const u8 *start, size_t len, |
| 1523 | bool action, |
Johannes Berg | ddc4db2e | 2013-03-27 14:55:31 +0100 | [diff] [blame] | 1524 | struct ieee802_11_elems *elems) |
| 1525 | { |
Johannes Berg | b2e506b | 2013-03-26 14:54:16 +0100 | [diff] [blame] | 1526 | ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); |
Johannes Berg | ddc4db2e | 2013-03-27 14:55:31 +0100 | [diff] [blame] | 1527 | } |
| 1528 | |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1529 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
| 1530 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); |
| 1531 | void ieee80211_dynamic_ps_timer(unsigned long data); |
Vivek Natarajan | a97b77b | 2008-12-23 18:39:02 -0800 | [diff] [blame] | 1532 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
| 1533 | struct ieee80211_sub_if_data *sdata, |
| 1534 | int powersave); |
Kalle Valo | 3cf335d | 2009-03-22 21:57:06 +0200 | [diff] [blame] | 1535 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
| 1536 | struct ieee80211_hdr *hdr); |
Felix Fietkau | 4e5ff37 | 2010-11-23 03:10:31 +0100 | [diff] [blame] | 1537 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
Felix Fietkau | 04ac3c0 | 2010-12-02 21:01:08 +0100 | [diff] [blame] | 1538 | struct ieee80211_hdr *hdr, bool ack); |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1539 | |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1540 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
Johannes Berg | 445ea4e | 2013-02-13 12:25:28 +0100 | [diff] [blame] | 1541 | unsigned long queues, |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1542 | enum queue_stop_reason reason); |
| 1543 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, |
Johannes Berg | 445ea4e | 2013-02-13 12:25:28 +0100 | [diff] [blame] | 1544 | unsigned long queues, |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1545 | enum queue_stop_reason reason); |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 1546 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
| 1547 | enum queue_stop_reason reason); |
| 1548 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, |
| 1549 | enum queue_stop_reason reason); |
Johannes Berg | 3a25a8c | 2012-04-03 16:28:50 +0200 | [diff] [blame] | 1550 | void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); |
Johannes Berg | 8f77f38 | 2009-06-07 21:58:37 +0200 | [diff] [blame] | 1551 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
| 1552 | struct sk_buff *skb); |
Johannes Berg | b0b97a8 | 2011-09-29 16:04:30 +0200 | [diff] [blame] | 1553 | void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
| 1554 | struct sk_buff_head *skbs, |
| 1555 | void (*fn)(void *data), void *data); |
Johannes Berg | 78307da | 2012-03-27 14:18:39 +0200 | [diff] [blame] | 1556 | static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, |
| 1557 | struct sk_buff_head *skbs) |
| 1558 | { |
| 1559 | ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); |
| 1560 | } |
Johannes Berg | 39ecc01 | 2013-02-13 12:11:00 +0100 | [diff] [blame] | 1561 | void ieee80211_flush_queues(struct ieee80211_local *local, |
| 1562 | struct ieee80211_sub_if_data *sdata); |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1563 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1564 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
Jouni Malinen | 700e8ea | 2012-09-30 19:29:37 +0300 | [diff] [blame] | 1565 | u16 transaction, u16 auth_alg, u16 status, |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1566 | const u8 *extra, size_t extra_len, const u8 *bssid, |
Johannes Berg | 1672c0e3 | 2013-01-29 15:02:27 +0100 | [diff] [blame] | 1567 | const u8 *da, const u8 *key, u8 key_len, u8 key_idx, |
| 1568 | u32 tx_flags); |
Antonio Quartulli | 6ae1677 | 2012-09-07 13:28:52 +0200 | [diff] [blame] | 1569 | void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, |
| 1570 | const u8 *bssid, u16 stype, u16 reason, |
| 1571 | bool send_frame, u8 *frame_buf); |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 1572 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
Johannes Berg | c604b9f | 2012-11-29 12:45:18 +0100 | [diff] [blame] | 1573 | size_t buffer_len, const u8 *ie, size_t ie_len, |
Jouni Malinen | 651b522 | 2010-08-28 19:37:51 +0300 | [diff] [blame] | 1574 | enum ieee80211_band band, u32 rate_mask, |
| 1575 | u8 channel); |
Juuso Oikarinen | a619a4c | 2010-11-11 08:50:18 +0200 | [diff] [blame] | 1576 | 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] | 1577 | u8 *dst, u32 ratemask, |
Johannes Berg | 6b77863 | 2012-07-23 14:53:27 +0200 | [diff] [blame] | 1578 | struct ieee80211_channel *chan, |
Juuso Oikarinen | a619a4c | 2010-11-11 08:50:18 +0200 | [diff] [blame] | 1579 | const u8 *ssid, size_t ssid_len, |
Paul Stewart | a806c55 | 2011-06-23 09:00:11 -0800 | [diff] [blame] | 1580 | const u8 *ie, size_t ie_len, |
| 1581 | bool directed); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1582 | 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] | 1583 | const u8 *ssid, size_t ssid_len, |
Paul Stewart | a806c55 | 2011-06-23 09:00:11 -0800 | [diff] [blame] | 1584 | const u8 *ie, size_t ie_len, |
Johannes Berg | 1672c0e3 | 2013-01-29 15:02:27 +0100 | [diff] [blame] | 1585 | u32 ratemask, bool directed, u32 tx_flags, |
Johannes Berg | 55de908 | 2012-07-26 17:24:39 +0200 | [diff] [blame] | 1586 | struct ieee80211_channel *channel, bool scan); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1587 | |
| 1588 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, |
| 1589 | const size_t supp_rates_len, |
| 1590 | const u8 *supp_rates); |
| 1591 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, |
| 1592 | struct ieee802_11_elems *elems, |
Ashok Nagarajan | 9ebb61a | 2012-04-02 21:21:21 -0700 | [diff] [blame] | 1593 | enum ieee80211_band band, u32 *basic_rates); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1594 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
| 1595 | enum ieee80211_smps_mode smps_mode); |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 1596 | void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1597 | |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1598 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
| 1599 | const u8 *ids, int n_ids, size_t offset); |
| 1600 | 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] | 1601 | 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] | 1602 | u16 cap); |
Johannes Berg | 074d46d | 2012-03-15 19:45:16 +0100 | [diff] [blame] | 1603 | u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1604 | const struct cfg80211_chan_def *chandef, |
Ashok Nagarajan | 431e315 | 2012-04-30 14:20:29 -0700 | [diff] [blame] | 1605 | u16 prot_mode); |
Mahesh Palivela | ba0afa2f | 2012-07-02 11:25:12 +0000 | [diff] [blame] | 1606 | u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, |
| 1607 | u32 cap); |
Johannes Berg | fc8a732 | 2012-06-28 10:33:25 +0200 | [diff] [blame] | 1608 | int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 6b77863 | 2012-07-23 14:53:27 +0200 | [diff] [blame] | 1609 | struct sk_buff *skb, bool need_basic, |
| 1610 | enum ieee80211_band band); |
Johannes Berg | fc8a732 | 2012-06-28 10:33:25 +0200 | [diff] [blame] | 1611 | int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 6b77863 | 2012-07-23 14:53:27 +0200 | [diff] [blame] | 1612 | struct sk_buff *skb, bool need_basic, |
| 1613 | enum ieee80211_band band); |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1614 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1615 | /* channel management */ |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1616 | void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, |
Johannes Berg | 4a3cb70 | 2013-02-12 16:43:19 +0100 | [diff] [blame] | 1617 | const struct ieee80211_ht_operation *ht_oper, |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1618 | struct cfg80211_chan_def *chandef); |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1619 | |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 1620 | int __must_check |
| 1621 | ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 4bf8853 | 2012-11-09 11:39:59 +0100 | [diff] [blame] | 1622 | const struct cfg80211_chan_def *chandef, |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 1623 | enum ieee80211_chanctx_mode mode); |
Johannes Berg | 2c9b735 | 2013-02-07 21:37:29 +0100 | [diff] [blame] | 1624 | int __must_check |
| 1625 | ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, |
| 1626 | const struct cfg80211_chan_def *chandef, |
| 1627 | u32 *changed); |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 1628 | void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 4d76d21 | 2012-12-11 20:38:41 +0100 | [diff] [blame] | 1629 | void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1f4ac5a | 2013-02-08 12:07:44 +0100 | [diff] [blame] | 1630 | void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, |
| 1631 | bool clear); |
Michal Kazior | d01a1e6 | 2012-06-26 14:37:16 +0200 | [diff] [blame] | 1632 | |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 1633 | void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, |
| 1634 | struct ieee80211_chanctx *chanctx); |
Simon Wunderlich | 164eb02 | 2013-02-08 18:16:20 +0100 | [diff] [blame] | 1635 | void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, |
| 1636 | struct ieee80211_chanctx *chanctx); |
| 1637 | |
| 1638 | void ieee80211_dfs_cac_timer(unsigned long data); |
| 1639 | void ieee80211_dfs_cac_timer_work(struct work_struct *work); |
| 1640 | void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); |
| 1641 | void ieee80211_dfs_radar_detected_work(struct work_struct *work); |
Johannes Berg | 04ecd25 | 2012-09-11 14:34:12 +0200 | [diff] [blame] | 1642 | |
Johannes Berg | f4ea83d | 2008-06-30 15:10:46 +0200 | [diff] [blame] | 1643 | #ifdef CONFIG_MAC80211_NOINLINE |
Johannes Berg | d9e8a70 | 2008-06-30 15:10:44 +0200 | [diff] [blame] | 1644 | #define debug_noinline noinline |
| 1645 | #else |
| 1646 | #define debug_noinline |
| 1647 | #endif |
| 1648 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1649 | #endif /* IEEE80211_I_H */ |