Jiri Benc | f0706e82 | 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 | f0706e82 | 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 | fe7a5d5 | 2009-11-18 18:42:47 +0100 | [diff] [blame] | 27 | #include <net/ieee80211_radiotap.h> |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 28 | #include <net/cfg80211.h> |
David S. Miller | 51cb6db | 2008-07-15 03:34:57 -0700 | [diff] [blame] | 29 | #include <net/mac80211.h> |
Johannes Berg | 2c8dccc | 2008-04-08 15:14:40 -0400 | [diff] [blame] | 30 | #include "key.h" |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 31 | #include "sta_info.h" |
| 32 | |
Johannes Berg | 9cfb000 | 2008-04-03 15:17:31 +0200 | [diff] [blame] | 33 | struct ieee80211_local; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 34 | |
| 35 | /* Maximum number of broadcast/multicast frames to buffer when some of the |
| 36 | * associated stations are using power saving. */ |
| 37 | #define AP_MAX_BC_BUFFER 128 |
| 38 | |
| 39 | /* Maximum number of frames buffered to all STAs, including multicast frames. |
| 40 | * Note: increasing this limit increases the potential memory requirement. Each |
| 41 | * frame can be up to about 2 kB long. */ |
| 42 | #define TOTAL_MAX_TX_BUFFER 512 |
| 43 | |
| 44 | /* Required encryption head and tailroom */ |
| 45 | #define IEEE80211_ENCRYPT_HEADROOM 8 |
Jouni Malinen | 765cb46 | 2009-01-08 13:32:01 +0200 | [diff] [blame] | 46 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 47 | |
| 48 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent |
| 49 | * reception of at least three fragmented frames. This limit can be increased |
| 50 | * by changing this define, at the cost of slower frame reassembly and |
| 51 | * increased memory use (about 2 kB of RAM per entry). */ |
| 52 | #define IEEE80211_FRAGMENT_MAX 4 |
| 53 | |
Johannes Berg | 20ad19d | 2009-02-10 21:25:45 +0100 | [diff] [blame] | 54 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
| 55 | |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 56 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
| 57 | (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ |
| 58 | IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ |
| 59 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ |
| 60 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
| 61 | |
| 62 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ |
| 63 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL |
| 64 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 65 | struct ieee80211_fragment_entry { |
| 66 | unsigned long first_frag_time; |
| 67 | unsigned int seq; |
| 68 | unsigned int rx_queue; |
| 69 | unsigned int last_frag; |
| 70 | unsigned int extra_len; |
| 71 | struct sk_buff_head skb_list; |
| 72 | int ccmp; /* Whether fragments were encrypted with CCMP */ |
| 73 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 74 | }; |
| 75 | |
| 76 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 77 | struct ieee80211_bss { |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 78 | /* don't want to look up all the time */ |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 79 | size_t ssid_len; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 80 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 81 | |
Emmanuel Grumbach | 98f7dfd | 2008-07-18 13:52:59 +0800 | [diff] [blame] | 82 | u8 dtim_period; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 83 | |
Jouni Malinen | 43ac2ca | 2008-08-15 22:21:27 +0300 | [diff] [blame] | 84 | bool wmm_used; |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 85 | bool uapsd_supported; |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 86 | |
| 87 | unsigned long last_probe_resp; |
| 88 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 89 | #ifdef CONFIG_MAC80211_MESH |
| 90 | u8 *mesh_id; |
| 91 | size_t mesh_id_len; |
John W. Linville | 2473670 | 2008-04-08 14:15:46 -0400 | [diff] [blame] | 92 | u8 *mesh_cfg; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 93 | #endif |
Johannes Berg | 00d3f14 | 2009-02-10 21:26:00 +0100 | [diff] [blame] | 94 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 95 | #define IEEE80211_MAX_SUPP_RATES 32 |
| 96 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; |
| 97 | size_t supp_rates_len; |
Jiri Benc | f0706e82 | 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; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 107 | }; |
| 108 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 109 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 110 | { |
| 111 | #ifdef CONFIG_MAC80211_MESH |
| 112 | return bss->mesh_cfg; |
| 113 | #endif |
| 114 | return NULL; |
| 115 | } |
| 116 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 117 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 118 | { |
| 119 | #ifdef CONFIG_MAC80211_MESH |
| 120 | return bss->mesh_id; |
| 121 | #endif |
| 122 | return NULL; |
| 123 | } |
| 124 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 125 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 126 | { |
| 127 | #ifdef CONFIG_MAC80211_MESH |
| 128 | return bss->mesh_id_len; |
| 129 | #endif |
| 130 | return 0; |
| 131 | } |
| 132 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 133 | |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 134 | typedef unsigned __bitwise__ ieee80211_tx_result; |
| 135 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) |
| 136 | #define TX_DROP ((__force ieee80211_tx_result) 1u) |
| 137 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) |
| 138 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 139 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
| 140 | #define IEEE80211_TX_UNICAST BIT(1) |
| 141 | #define IEEE80211_TX_PS_BUFFERED BIT(2) |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 142 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 143 | struct ieee80211_tx_data { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 144 | struct sk_buff *skb; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 145 | struct ieee80211_local *local; |
| 146 | struct ieee80211_sub_if_data *sdata; |
| 147 | struct sta_info *sta; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 148 | struct ieee80211_key *key; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 149 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 150 | struct ieee80211_channel *channel; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 151 | |
Harvey Harrison | a4b7d7b | 2008-07-15 18:44:14 -0700 | [diff] [blame] | 152 | u16 ethertype; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 153 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 154 | }; |
| 155 | |
| 156 | |
| 157 | typedef unsigned __bitwise__ ieee80211_rx_result; |
| 158 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
| 159 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) |
| 160 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) |
| 161 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) |
| 162 | |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 163 | /** |
| 164 | * enum ieee80211_packet_rx_flags - packet RX flags |
| 165 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed |
| 166 | * (incl. multicast frames) |
| 167 | * @IEEE80211_RX_IN_SCAN: received while scanning |
| 168 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
| 169 | * @IEEE80211_RX_AMSDU: a-MSDU packet |
| 170 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed |
Christian Lamparter | 4cfda47 | 2010-12-27 23:21:26 +0100 | [diff] [blame] | 171 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 172 | * |
| 173 | * These are per-frame flags that are attached to a frame in the |
| 174 | * @rx_flags field of &struct ieee80211_rx_status. |
| 175 | */ |
| 176 | enum ieee80211_packet_rx_flags { |
| 177 | IEEE80211_RX_IN_SCAN = BIT(0), |
| 178 | IEEE80211_RX_RA_MATCH = BIT(1), |
| 179 | IEEE80211_RX_FRAGMENTED = BIT(2), |
| 180 | IEEE80211_RX_AMSDU = BIT(3), |
| 181 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), |
Christian Lamparter | 4cfda47 | 2010-12-27 23:21:26 +0100 | [diff] [blame] | 182 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
Johannes Berg | 554891e | 2010-09-24 12:38:25 +0200 | [diff] [blame] | 183 | }; |
| 184 | |
| 185 | /** |
| 186 | * enum ieee80211_rx_flags - RX data flags |
| 187 | * |
| 188 | * @IEEE80211_RX_CMNTR: received on cooked monitor already |
| 189 | * |
| 190 | * These flags are used across handling multiple interfaces |
| 191 | * for a single frame. |
| 192 | */ |
| 193 | enum ieee80211_rx_flags { |
| 194 | IEEE80211_RX_CMNTR = BIT(0), |
| 195 | }; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 196 | |
| 197 | struct ieee80211_rx_data { |
| 198 | struct sk_buff *skb; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 199 | struct ieee80211_local *local; |
| 200 | struct ieee80211_sub_if_data *sdata; |
| 201 | struct sta_info *sta; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 202 | struct ieee80211_key *key; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 203 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 204 | unsigned int flags; |
Johannes Berg | 9e26297 | 2011-07-07 18:45:03 +0200 | [diff] [blame] | 205 | |
| 206 | /* |
| 207 | * Index into sequence numbers array, 0..16 |
| 208 | * since the last (16) is used for non-QoS, |
| 209 | * will be 16 on non-QoS frames. |
| 210 | */ |
| 211 | int seqno_idx; |
| 212 | |
| 213 | /* |
| 214 | * Index into the security IV/PN arrays, 0..16 |
| 215 | * since the last (16) is used for CCMP-encrypted |
| 216 | * management frames, will be set to 16 on mgmt |
| 217 | * frames and 0 on non-QoS frames. |
| 218 | */ |
| 219 | int security_idx; |
| 220 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 221 | u32 tkip_iv32; |
| 222 | u16 tkip_iv16; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 223 | }; |
| 224 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 225 | struct beacon_data { |
| 226 | u8 *head, *tail; |
| 227 | int head_len, tail_len; |
| 228 | int dtim_period; |
| 229 | }; |
| 230 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 231 | struct ieee80211_if_ap { |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 232 | struct beacon_data __rcu *beacon; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 233 | |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 234 | struct list_head vlans; |
| 235 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 236 | /* yes, this looks ugly, but guarantees that we can later use |
| 237 | * bitmap_empty :) |
Johannes Berg | 004c872 | 2008-02-20 11:21:35 +0100 | [diff] [blame] | 238 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 239 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 240 | struct sk_buff_head ps_bc_buf; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 241 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 242 | int dtim_count; |
Christian Lamparter | 512119b | 2011-01-31 20:48:44 +0200 | [diff] [blame] | 243 | bool dtim_bc_mc; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 244 | }; |
| 245 | |
| 246 | struct ieee80211_if_wds { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 247 | struct sta_info *sta; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 248 | u8 remote_addr[ETH_ALEN]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 249 | }; |
| 250 | |
| 251 | struct ieee80211_if_vlan { |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 252 | struct list_head list; |
Felix Fietkau | f14543e | 2009-11-10 20:10:05 +0100 | [diff] [blame] | 253 | |
| 254 | /* 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] | 255 | struct sta_info __rcu *sta; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 256 | }; |
| 257 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 258 | struct mesh_stats { |
Daniel Walker | c8a61a7 | 2009-08-18 10:59:00 -0700 | [diff] [blame] | 259 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
| 260 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ |
| 261 | __u32 fwded_frames; /* Mesh total forwarded frames */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 262 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
| 263 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ |
| 264 | atomic_t estab_plinks; |
| 265 | }; |
| 266 | |
| 267 | #define PREQ_Q_F_START 0x1 |
| 268 | #define PREQ_Q_F_REFRESH 0x2 |
| 269 | struct mesh_preq_queue { |
| 270 | struct list_head list; |
| 271 | u8 dst[ETH_ALEN]; |
| 272 | u8 flags; |
| 273 | }; |
| 274 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 275 | enum ieee80211_work_type { |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 276 | IEEE80211_WORK_ABORT, |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 277 | IEEE80211_WORK_DIRECT_PROBE, |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 278 | IEEE80211_WORK_AUTH, |
Johannes Berg | e5b900d | 2010-07-29 16:08:55 +0200 | [diff] [blame] | 279 | IEEE80211_WORK_ASSOC_BEACON_WAIT, |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 280 | IEEE80211_WORK_ASSOC, |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 281 | IEEE80211_WORK_REMAIN_ON_CHANNEL, |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 282 | IEEE80211_WORK_OFFCHANNEL_TX, |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 283 | }; |
| 284 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 285 | /** |
| 286 | * enum work_done_result - indicates what to do after work was done |
| 287 | * |
| 288 | * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. |
| 289 | * @WORK_DONE_REQUEUE: This work item was reset to be reused, and |
| 290 | * should be requeued. |
| 291 | */ |
| 292 | enum work_done_result { |
| 293 | WORK_DONE_DESTROY, |
| 294 | WORK_DONE_REQUEUE, |
| 295 | }; |
| 296 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 297 | struct ieee80211_work { |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 298 | struct list_head list; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 299 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 300 | struct rcu_head rcu_head; |
| 301 | |
| 302 | struct ieee80211_sub_if_data *sdata; |
| 303 | |
| 304 | enum work_done_result (*done)(struct ieee80211_work *wk, |
| 305 | struct sk_buff *skb); |
| 306 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 307 | struct ieee80211_channel *chan; |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 308 | enum nl80211_channel_type chan_type; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 309 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 310 | unsigned long timeout; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 311 | enum ieee80211_work_type type; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 312 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 313 | u8 filter_ta[ETH_ALEN]; |
| 314 | |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 315 | bool started; |
| 316 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 317 | union { |
| 318 | struct { |
| 319 | int tries; |
| 320 | u16 algorithm, transaction; |
| 321 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 322 | u8 ssid_len; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 323 | u8 key[WLAN_KEY_LEN_WEP104]; |
| 324 | u8 key_len, key_idx; |
| 325 | bool privacy; |
Johannes Berg | b2abb6e | 2011-07-19 10:39:53 +0200 | [diff] [blame] | 326 | bool synced; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 327 | } probe_auth; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 328 | struct { |
Johannes Berg | 0c1ad2c | 2009-12-23 13:15:39 +0100 | [diff] [blame] | 329 | struct cfg80211_bss *bss; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 330 | const u8 *supp_rates; |
| 331 | const u8 *ht_information_ie; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 332 | enum ieee80211_smps_mode smps; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 333 | int tries; |
| 334 | u16 capability; |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 335 | u8 prev_bssid[ETH_ALEN]; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 336 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 337 | u8 ssid_len; |
| 338 | u8 supp_rates_len; |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 339 | bool wmm_used, use_11n, uapsd_used; |
Johannes Berg | b2abb6e | 2011-07-19 10:39:53 +0200 | [diff] [blame] | 340 | bool synced; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 341 | } assoc; |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 342 | struct { |
Johannes Berg | e4da8c3 | 2009-12-23 13:15:43 +0100 | [diff] [blame] | 343 | u32 duration; |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 344 | } remain; |
Johannes Berg | f30221e | 2010-11-25 10:02:30 +0100 | [diff] [blame] | 345 | struct { |
| 346 | struct sk_buff *frame; |
| 347 | u32 wait; |
| 348 | } offchan_tx; |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 349 | }; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 350 | |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 351 | int ie_len; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 352 | /* must be last */ |
Johannes Berg | f679f65 | 2009-12-23 13:15:34 +0100 | [diff] [blame] | 353 | u8 ie[0]; |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 354 | }; |
| 355 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 356 | /* flags used in struct ieee80211_if_managed.flags */ |
Johannes Berg | ab1faea | 2009-07-01 21:41:17 +0200 | [diff] [blame] | 357 | enum ieee80211_sta_flags { |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 358 | IEEE80211_STA_BEACON_POLL = BIT(0), |
| 359 | IEEE80211_STA_CONNECTION_POLL = BIT(1), |
| 360 | IEEE80211_STA_CONTROL_PORT = BIT(2), |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 361 | IEEE80211_STA_DISABLE_11N = BIT(4), |
| 362 | IEEE80211_STA_CSA_RECEIVED = BIT(5), |
| 363 | IEEE80211_STA_MFP_ENABLED = BIT(6), |
Kalle Valo | ab13315 | 2010-01-12 10:42:31 +0200 | [diff] [blame] | 364 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
Vivek Natarajan | 375177b | 2010-02-09 14:50:28 +0530 | [diff] [blame] | 365 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 366 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
Johannes Berg | ab1faea | 2009-07-01 21:41:17 +0200 | [diff] [blame] | 367 | }; |
| 368 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 369 | struct ieee80211_if_managed { |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 370 | struct timer_list timer; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 371 | struct timer_list conn_mon_timer; |
| 372 | struct timer_list bcn_mon_timer; |
Sujith | c481ec9 | 2009-01-06 09:28:37 +0530 | [diff] [blame] | 373 | struct timer_list chswitch_timer; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 374 | struct work_struct monitor_work; |
Sujith | c481ec9 | 2009-01-06 09:28:37 +0530 | [diff] [blame] | 375 | struct work_struct chswitch_work; |
Juuso Oikarinen | 1e4dcd0 | 2010-03-19 07:14:53 +0200 | [diff] [blame] | 376 | struct work_struct beacon_connection_loss_work; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 377 | |
Felix Fietkau | 7ccc8bd | 2010-11-19 22:55:38 +0100 | [diff] [blame] | 378 | unsigned long beacon_timeout; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 379 | unsigned long probe_timeout; |
Maxim Levitsky | a43abf2 | 2009-07-31 18:54:12 +0300 | [diff] [blame] | 380 | int probe_send_count; |
Felix Fietkau | 04ac3c0 | 2010-12-02 21:01:08 +0100 | [diff] [blame] | 381 | bool nullfunc_failed; |
Johannes Berg | b291ba1 | 2009-07-10 15:29:03 +0200 | [diff] [blame] | 382 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 383 | struct mutex mtx; |
Johannes Berg | 0c1ad2c | 2009-12-23 13:15:39 +0100 | [diff] [blame] | 384 | struct cfg80211_bss *associated; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 385 | |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 386 | u8 bssid[ETH_ALEN]; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 387 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 388 | u16 aid; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 389 | |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 390 | unsigned long timers_running; /* used for quiesce/restart */ |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 391 | bool powersave; /* powersave requested for this iface */ |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 392 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
Johannes Berg | d1f5b7a | 2010-08-05 17:05:55 +0200 | [diff] [blame] | 393 | ap_smps, /* smps mode AP thinks we're in */ |
| 394 | driver_smps_mode; /* smps mode request */ |
| 395 | |
| 396 | struct work_struct request_smps_work; |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 397 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 398 | unsigned int flags; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 399 | |
Juuso Oikarinen | d8ec443 | 2010-10-01 16:02:31 +0300 | [diff] [blame] | 400 | bool beacon_crc_valid; |
Johannes Berg | d91f36d | 2009-04-16 13:17:26 +0200 | [diff] [blame] | 401 | u32 beacon_crc; |
| 402 | |
Jouni Malinen | fdfacf0 | 2009-01-08 13:32:05 +0200 | [diff] [blame] | 403 | enum { |
| 404 | IEEE80211_MFP_DISABLED, |
| 405 | IEEE80211_MFP_OPTIONAL, |
| 406 | IEEE80211_MFP_REQUIRED |
| 407 | } mfp; /* management frame protection */ |
| 408 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 409 | int wmm_last_param_set; |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 410 | |
| 411 | u8 use_4addr; |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 412 | |
| 413 | /* Signal strength from the last Beacon frame in the current BSS. */ |
| 414 | int last_beacon_signal; |
| 415 | |
| 416 | /* |
| 417 | * Weighted average of the signal strength from Beacon frames in the |
| 418 | * current BSS. This is in units of 1/16 of the signal unit to maintain |
| 419 | * accuracy and to speed up calculations, i.e., the value need to be |
| 420 | * divided by 16 to get the actual value. |
| 421 | */ |
| 422 | int ave_beacon_signal; |
| 423 | |
| 424 | /* |
Jouni Malinen | 391a200 | 2010-08-27 22:22:00 +0300 | [diff] [blame] | 425 | * Number of Beacon frames used in ave_beacon_signal. This can be used |
| 426 | * to avoid generating less reliable cqm events that would be based |
| 427 | * only on couple of received frames. |
| 428 | */ |
| 429 | unsigned int count_beacon_signal; |
| 430 | |
| 431 | /* |
Jouni Malinen | 17e4ec1 | 2010-03-29 23:28:30 -0700 | [diff] [blame] | 432 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) |
| 433 | * that triggered a cqm event. 0 indicates that no event has been |
| 434 | * generated for the current association. |
| 435 | */ |
| 436 | int last_cqm_event_signal; |
Meenakshi Venkataraman | 615f7b9 | 2011-07-08 08:46:22 -0700 | [diff] [blame] | 437 | |
| 438 | /* |
| 439 | * State variables for keeping track of RSSI of the AP currently |
| 440 | * connected to and informing driver when RSSI has gone |
| 441 | * below/above a certain threshold. |
| 442 | */ |
| 443 | int rssi_min_thold, rssi_max_thold; |
| 444 | int last_ave_beacon_signal; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 445 | }; |
| 446 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 447 | struct ieee80211_if_ibss { |
| 448 | struct timer_list timer; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 449 | |
Johannes Berg | 7a17a33 | 2010-07-21 11:30:27 +0200 | [diff] [blame] | 450 | struct mutex mtx; |
| 451 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 452 | unsigned long last_scan_completed; |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 453 | |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 454 | u32 basic_rates; |
| 455 | |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 456 | bool timer_running; |
| 457 | |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 458 | bool fixed_bssid; |
| 459 | bool fixed_channel; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 460 | bool privacy; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 461 | |
| 462 | u8 bssid[ETH_ALEN]; |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 463 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 464 | u8 ssid_len, ie_len; |
| 465 | u8 *ie; |
| 466 | struct ieee80211_channel *channel; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 467 | |
| 468 | unsigned long ibss_join_req; |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 469 | /* probe response/beacon for IBSS */ |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 470 | struct sk_buff __rcu *presp; |
| 471 | struct sk_buff *skb; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 472 | |
| 473 | enum { |
| 474 | IEEE80211_IBSS_MLME_SEARCH, |
| 475 | IEEE80211_IBSS_MLME_JOINED, |
| 476 | } state; |
| 477 | }; |
| 478 | |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 479 | struct ieee80211_if_mesh { |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 480 | struct timer_list housekeeping_timer; |
| 481 | struct timer_list mesh_path_timer; |
Rui Paulo | e304bfd | 2009-11-09 23:46:56 +0000 | [diff] [blame] | 482 | struct timer_list mesh_path_root_timer; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 483 | |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 484 | unsigned long timers_running; |
| 485 | |
Javier Cardona | 1888923 | 2009-08-10 12:15:52 -0700 | [diff] [blame] | 486 | unsigned long wrkq_flags; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 487 | |
| 488 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; |
| 489 | size_t mesh_id_len; |
| 490 | /* Active Path Selection Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 491 | u8 mesh_pp_id; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 492 | /* Active Path Selection Metric Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 493 | u8 mesh_pm_id; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 494 | /* Congestion Control Mode Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 495 | u8 mesh_cc_id; |
Javier Cardona | 9e03fdf | 2009-08-20 09:21:45 -0700 | [diff] [blame] | 496 | /* Synchronization Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 497 | u8 mesh_sp_id; |
Javier Cardona | 9e03fdf | 2009-08-20 09:21:45 -0700 | [diff] [blame] | 498 | /* Authentication Protocol Identifier */ |
Rui Paulo | 3491707 | 2009-11-09 23:46:39 +0000 | [diff] [blame] | 499 | u8 mesh_auth_id; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 500 | /* Local mesh Sequence Number */ |
| 501 | u32 sn; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 502 | /* Last used PREQ ID */ |
| 503 | u32 preq_id; |
| 504 | atomic_t mpaths; |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 505 | /* Timestamp of last SN update */ |
| 506 | unsigned long last_sn_update; |
| 507 | /* Timestamp of last SN sent */ |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 508 | unsigned long last_preq; |
| 509 | struct mesh_rmc *rmc; |
| 510 | spinlock_t mesh_preq_queue_lock; |
| 511 | struct mesh_preq_queue preq_queue; |
| 512 | int preq_queue_len; |
| 513 | struct mesh_stats mshstats; |
| 514 | struct mesh_config mshcfg; |
| 515 | u32 mesh_seqnum; |
| 516 | bool accepting_plinks; |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 517 | const u8 *ie; |
| 518 | u8 ie_len; |
Javier Cardona | b130e5c | 2011-05-03 16:57:07 -0700 | [diff] [blame] | 519 | enum { |
| 520 | IEEE80211_MESH_SEC_NONE = 0x0, |
| 521 | IEEE80211_MESH_SEC_AUTHED = 0x1, |
| 522 | IEEE80211_MESH_SEC_SECURED = 0x2, |
| 523 | } security; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 524 | }; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 525 | |
| 526 | #ifdef CONFIG_MAC80211_MESH |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 527 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
| 528 | do { (msh)->mshstats.name++; } while (0) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 529 | #else |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 530 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 531 | do { } while (0) |
| 532 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 533 | |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 534 | /** |
| 535 | * enum ieee80211_sub_if_data_flags - virtual interface flags |
| 536 | * |
| 537 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets |
| 538 | * @IEEE80211_SDATA_PROMISC: interface is promisc |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 539 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
| 540 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between |
| 541 | * associated stations and deliver multicast frames both |
| 542 | * back to wireless media and to the local net stack. |
Johannes Berg | 95acac6 | 2011-07-12 12:30:59 +0200 | [diff] [blame] | 543 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 544 | */ |
| 545 | enum ieee80211_sub_if_data_flags { |
| 546 | IEEE80211_SDATA_ALLMULTI = BIT(0), |
| 547 | IEEE80211_SDATA_PROMISC = BIT(1), |
Johannes Berg | 7986cf9 | 2009-03-21 17:08:43 +0100 | [diff] [blame] | 548 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
| 549 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), |
Johannes Berg | 95acac6 | 2011-07-12 12:30:59 +0200 | [diff] [blame] | 550 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 551 | }; |
| 552 | |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 553 | /** |
| 554 | * enum ieee80211_sdata_state_bits - virtual interface state bits |
| 555 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this |
| 556 | * mirrors netif_running() but is separate for interface type |
| 557 | * change handling while the interface is up |
Johannes Berg | 5b714c6 | 2010-08-27 13:45:28 +0200 | [diff] [blame] | 558 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
| 559 | * mode, so queues are stopped |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 560 | */ |
| 561 | enum ieee80211_sdata_state_bits { |
| 562 | SDATA_STATE_RUNNING, |
Johannes Berg | 5b714c6 | 2010-08-27 13:45:28 +0200 | [diff] [blame] | 563 | SDATA_STATE_OFFCHANNEL, |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 564 | }; |
| 565 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 566 | struct ieee80211_sub_if_data { |
| 567 | struct list_head list; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 568 | |
| 569 | struct wireless_dev wdev; |
| 570 | |
Johannes Berg | 11a843b | 2007-08-28 17:01:55 -0400 | [diff] [blame] | 571 | /* keys */ |
| 572 | struct list_head key_list; |
| 573 | |
Yogesh Ashok Powar | 3bff186 | 2011-06-28 18:41:37 +0530 | [diff] [blame] | 574 | /* count for keys needing tailroom space allocation */ |
| 575 | int crypto_tx_tailroom_needed_cnt; |
| 576 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 577 | struct net_device *dev; |
| 578 | struct ieee80211_local *local; |
| 579 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 580 | unsigned int flags; |
Daniel Drake | 7e9ed18 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 581 | |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 582 | unsigned long state; |
| 583 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 584 | int drop_unencrypted; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 585 | |
Johannes Berg | 47846c9 | 2009-11-25 17:46:19 +0100 | [diff] [blame] | 586 | char name[IFNAMSIZ]; |
| 587 | |
Johannes Berg | 413ad50 | 2009-05-08 21:21:06 +0200 | [diff] [blame] | 588 | /* |
| 589 | * keep track of whether the HT opmode (stored in |
| 590 | * vif.bss_info.ht_operation_mode) is valid. |
| 591 | */ |
| 592 | bool ht_opmode_valid; |
| 593 | |
Johannes Berg | 7da7cc1 | 2010-08-05 17:02:38 +0200 | [diff] [blame] | 594 | /* to detect idle changes */ |
| 595 | bool old_idle; |
| 596 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 597 | /* Fragment table for host-based reassembly */ |
| 598 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; |
| 599 | unsigned int fragment_next; |
| 600 | |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 601 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
| 602 | struct ieee80211_key __rcu *default_unicast_key; |
| 603 | struct ieee80211_key __rcu *default_multicast_key; |
| 604 | struct ieee80211_key __rcu *default_mgmt_key; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 605 | |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 606 | u16 sequence_number; |
Johannes Berg | a621fa4 | 2010-08-27 14:26:54 +0300 | [diff] [blame] | 607 | __be16 control_port_protocol; |
| 608 | bool control_port_no_encrypt; |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 609 | |
Johannes Berg | 64592c8 | 2010-06-10 10:21:31 +0200 | [diff] [blame] | 610 | struct work_struct work; |
Johannes Berg | 35f20c1 | 2010-06-10 10:21:30 +0200 | [diff] [blame] | 611 | struct sk_buff_head skb_queue; |
| 612 | |
Juuso Oikarinen | 6854296 | 2010-06-09 13:43:26 +0300 | [diff] [blame] | 613 | bool arp_filter_state; |
| 614 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 615 | /* |
| 616 | * AP this belongs to: self in AP mode and |
| 617 | * corresponding AP in VLAN mode, NULL for |
| 618 | * all others (might be needed later in IBSS) |
| 619 | */ |
| 620 | struct ieee80211_if_ap *bss; |
| 621 | |
Jouni Malinen | 37eb0b1 | 2010-01-06 13:09:08 +0200 | [diff] [blame] | 622 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
| 623 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 624 | |
| 625 | union { |
| 626 | struct ieee80211_if_ap ap; |
| 627 | struct ieee80211_if_wds wds; |
| 628 | struct ieee80211_if_vlan vlan; |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 629 | struct ieee80211_if_managed mgd; |
| 630 | struct ieee80211_if_ibss ibss; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 631 | struct ieee80211_if_mesh mesh; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 632 | u32 mntr_flags; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 633 | } u; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 634 | |
| 635 | #ifdef CONFIG_MAC80211_DEBUGFS |
Jouni Malinen | 2b58b20 | 2008-08-28 15:12:06 +0300 | [diff] [blame] | 636 | struct { |
Johannes Berg | 7bcfaf2 | 2009-10-27 12:59:03 +0100 | [diff] [blame] | 637 | struct dentry *dir; |
Ben Greear | 295bafb | 2010-09-22 20:29:01 -0700 | [diff] [blame] | 638 | struct dentry *subdir_stations; |
Johannes Berg | f7e0104 | 2010-12-09 19:49:02 +0100 | [diff] [blame] | 639 | struct dentry *default_unicast_key; |
| 640 | struct dentry *default_multicast_key; |
Jouni Malinen | 3cfcf6a | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 641 | struct dentry *default_mgmt_key; |
Johannes Berg | 7bcfaf2 | 2009-10-27 12:59:03 +0100 | [diff] [blame] | 642 | } debugfs; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 643 | #endif |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 644 | /* must be last, dynamically sized area in this! */ |
| 645 | struct ieee80211_vif vif; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 646 | }; |
| 647 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 648 | static inline |
| 649 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) |
| 650 | { |
| 651 | return container_of(p, struct ieee80211_sub_if_data, vif); |
| 652 | } |
| 653 | |
Johannes Berg | c1475ca | 2010-06-10 10:21:37 +0200 | [diff] [blame] | 654 | enum sdata_queue_type { |
| 655 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, |
| 656 | IEEE80211_SDATA_QUEUE_AGG_START = 1, |
| 657 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, |
| 658 | }; |
| 659 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 660 | enum { |
| 661 | IEEE80211_RX_MSG = 1, |
| 662 | IEEE80211_TX_STATUS_MSG = 2, |
| 663 | }; |
| 664 | |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 665 | enum queue_stop_reason { |
| 666 | IEEE80211_QUEUE_STOP_REASON_DRIVER, |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 667 | IEEE80211_QUEUE_STOP_REASON_PS, |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 668 | IEEE80211_QUEUE_STOP_REASON_CSA, |
| 669 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, |
Johannes Berg | 2542060 | 2009-03-13 11:43:36 +0100 | [diff] [blame] | 670 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
Johannes Berg | 8f77f38 | 2009-06-07 21:58:37 +0200 | [diff] [blame] | 671 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 672 | }; |
| 673 | |
Luciano Coelho | 65a6538 | 2010-12-21 16:02:17 +0200 | [diff] [blame] | 674 | #ifdef CONFIG_MAC80211_LEDS |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 675 | struct tpt_led_trigger { |
| 676 | struct led_trigger trig; |
| 677 | char name[32]; |
| 678 | const struct ieee80211_tpt_blink *blink_table; |
| 679 | unsigned int blink_table_len; |
| 680 | struct timer_list timer; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 681 | unsigned long prev_traffic; |
| 682 | unsigned long tx_bytes, rx_bytes; |
Johannes Berg | 67408c8 | 2010-11-30 08:59:23 +0100 | [diff] [blame] | 683 | unsigned int active, want; |
| 684 | bool running; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 685 | }; |
Luciano Coelho | 65a6538 | 2010-12-21 16:02:17 +0200 | [diff] [blame] | 686 | #endif |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 687 | |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 688 | /** |
| 689 | * mac80211 scan flags - currently active scan mode |
| 690 | * |
| 691 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as |
| 692 | * well be on the operating channel |
| 693 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to |
| 694 | * determine if we are on the operating channel or not |
Johannes Berg | 8789d45 | 2010-08-26 13:30:26 +0200 | [diff] [blame] | 695 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
| 696 | * that the scan completed. |
| 697 | * @SCAN_ABORTED: Set for our scan work function when the driver reported |
| 698 | * a scan complete for an aborted scan. |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 699 | */ |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 700 | enum { |
| 701 | SCAN_SW_SCANNING, |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 702 | SCAN_HW_SCANNING, |
Johannes Berg | 8789d45 | 2010-08-26 13:30:26 +0200 | [diff] [blame] | 703 | SCAN_COMPLETED, |
| 704 | SCAN_ABORTED, |
Helmut Schaa | 142b9f5 | 2009-07-23 13:18:01 +0200 | [diff] [blame] | 705 | }; |
| 706 | |
| 707 | /** |
| 708 | * enum mac80211_scan_state - scan state machine states |
| 709 | * |
| 710 | * @SCAN_DECISION: Main entry point to the scan state machine, this state |
| 711 | * determines if we should keep on scanning or switch back to the |
| 712 | * operating channel |
| 713 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned |
| 714 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses |
| 715 | * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP |
| 716 | * about us leaving the channel and stop all associated STA interfaces |
| 717 | * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the |
| 718 | * AP about us being back and restart all associated STA interfaces |
| 719 | */ |
| 720 | enum mac80211_scan_state { |
| 721 | SCAN_DECISION, |
| 722 | SCAN_SET_CHANNEL, |
| 723 | SCAN_SEND_PROBE, |
| 724 | SCAN_LEAVE_OPER_CHANNEL, |
| 725 | SCAN_ENTER_OPER_CHANNEL, |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 726 | }; |
| 727 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 728 | struct ieee80211_local { |
| 729 | /* embed the driver visible part. |
| 730 | * don't cast (use the static inlines below), but we keep |
| 731 | * it first anyway so they become a no-op */ |
| 732 | struct ieee80211_hw hw; |
| 733 | |
| 734 | const struct ieee80211_ops *ops; |
| 735 | |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 736 | /* |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 737 | * work stuff, potentially off-channel (in the future) |
| 738 | */ |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 739 | struct list_head work_list; |
| 740 | struct timer_list work_timer; |
| 741 | struct work_struct work_work; |
| 742 | struct sk_buff_head work_skb_queue; |
| 743 | |
| 744 | /* |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 745 | * private workqueue to mac80211. mac80211 makes this accessible |
| 746 | * via ieee80211_queue_work() |
| 747 | */ |
| 748 | struct workqueue_struct *workqueue; |
| 749 | |
Johannes Berg | e4e72fb | 2009-03-23 17:28:42 +0100 | [diff] [blame] | 750 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
Eliad Peller | 2683d65 | 2011-07-14 20:29:42 +0300 | [diff] [blame] | 751 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 752 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 753 | spinlock_t queue_stop_reason_lock; |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 754 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 755 | int open_count; |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 756 | int monitors, cooked_mntrs; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 757 | /* number of interfaces with corresponding FIF_ flags */ |
Johannes Berg | 7be5086 | 2010-10-13 12:06:24 +0200 | [diff] [blame] | 758 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
| 759 | fif_probe_req; |
| 760 | int probe_req_reg; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 761 | unsigned int filter_flags; /* FIF_* */ |
Johannes Berg | 3b8d81e | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 762 | |
Johannes Berg | 3ffc2a9 | 2010-08-27 14:26:52 +0300 | [diff] [blame] | 763 | bool wiphy_ciphers_allocated; |
| 764 | |
Johannes Berg | 3b8d81e | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 765 | /* protects the aggregated multicast list and filter calls */ |
| 766 | spinlock_t filter_lock; |
| 767 | |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 768 | /* used for uploading changed mc list */ |
| 769 | struct work_struct reconfig_filter; |
| 770 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 771 | /* used to reconfigure hardware SM PS */ |
| 772 | struct work_struct recalc_smps; |
| 773 | |
Johannes Berg | 3b8d81e | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 774 | /* aggregated multicast list */ |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 775 | struct netdev_hw_addr_list mc_list; |
Johannes Berg | 3b8d81e | 2009-06-17 17:43:56 +0200 | [diff] [blame] | 776 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 777 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 778 | |
| 779 | /* |
| 780 | * suspended is true if we finished all the suspend _and_ we have |
| 781 | * not yet come up from resume. This is to be used by mac80211 |
| 782 | * to ensure driver sanity during suspend and mac80211's own |
| 783 | * sanity. It can eventually be used for WoW as well. |
| 784 | */ |
| 785 | bool suspended; |
| 786 | |
| 787 | /* |
Johannes Berg | ceb99fe | 2009-11-19 14:29:39 +0100 | [diff] [blame] | 788 | * Resuming is true while suspended, but when we're reprogramming the |
| 789 | * hardware -- at that time it's allowed to use ieee80211_queue_work() |
| 790 | * again even though some other parts of the stack are still suspended |
| 791 | * and we still drop received frames to avoid waking the stack. |
| 792 | */ |
| 793 | bool resuming; |
| 794 | |
| 795 | /* |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 796 | * quiescing is true during the suspend process _only_ to |
| 797 | * ease timer cancelling etc. |
| 798 | */ |
| 799 | bool quiescing; |
| 800 | |
Johannes Berg | ea77f12 | 2009-08-21 14:44:45 +0200 | [diff] [blame] | 801 | /* device is started */ |
| 802 | bool started; |
| 803 | |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 804 | /* wowlan is enabled -- don't reconfig on resume */ |
| 805 | bool wowlan; |
| 806 | |
Johannes Berg | b306f45 | 2007-07-10 19:32:08 +0200 | [diff] [blame] | 807 | int tx_headroom; /* required headroom for hardware/radiotap */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 808 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 809 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
| 810 | * added to skb_queue will be processed, but frames in |
| 811 | * skb_queue_unreliable may be dropped if the total length of these |
| 812 | * queues increases over the limit. */ |
| 813 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 |
| 814 | struct tasklet_struct tasklet; |
| 815 | struct sk_buff_head skb_queue; |
| 816 | struct sk_buff_head skb_queue_unreliable; |
| 817 | |
Christian Lamparter | 24a8fda | 2010-12-30 17:25:29 +0100 | [diff] [blame] | 818 | /* |
| 819 | * Internal FIFO queue which is shared between multiple rx path |
| 820 | * stages. Its main task is to provide a serialization mechanism, |
| 821 | * so all rx handlers can enjoy having exclusive access to their |
| 822 | * private data structures. |
| 823 | */ |
| 824 | struct sk_buff_head rx_skb_queue; |
| 825 | bool running_rx_handler; /* protected by rx_skb_queue.lock */ |
| 826 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 827 | /* Station data */ |
| 828 | /* |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 829 | * The mutex only protects the list and counter, |
| 830 | * reads are done in RCU. |
| 831 | * Additionally, the lock protects the hash table, |
| 832 | * the pending list and each BSS's TIM bitmap. |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 833 | */ |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 834 | struct mutex sta_mtx; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 835 | spinlock_t sta_lock; |
| 836 | unsigned long num_sta; |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 837 | struct list_head sta_list, sta_pending_list; |
Johannes Berg | 40b275b | 2011-05-13 14:15:49 +0200 | [diff] [blame] | 838 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 839 | struct timer_list sta_cleanup; |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 840 | struct work_struct sta_finish_work; |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 841 | int sta_generation; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 842 | |
Johannes Berg | 2a577d9 | 2009-03-23 17:28:37 +0100 | [diff] [blame] | 843 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 844 | struct tasklet_struct tx_pending_tasklet; |
| 845 | |
Johannes Berg | a6a67db | 2010-06-10 10:21:41 +0200 | [diff] [blame] | 846 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
Johannes Berg | cd8ffc8 | 2009-03-23 17:28:41 +0100 | [diff] [blame] | 847 | |
Johannes Berg | 5391899 | 2007-09-26 15:19:47 +0200 | [diff] [blame] | 848 | /* number of interfaces with corresponding IFF_ flags */ |
| 849 | atomic_t iff_allmultis, iff_promiscs; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 850 | |
| 851 | struct rate_control_ref *rate_ctrl; |
| 852 | |
Felix Fietkau | 5f9f181 | 2011-03-25 21:39:19 +0100 | [diff] [blame] | 853 | struct crypto_cipher *wep_tx_tfm; |
| 854 | struct crypto_cipher *wep_rx_tfm; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 855 | u32 wep_iv; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 856 | |
Johannes Berg | c771c9d | 2009-01-23 22:54:03 +0100 | [diff] [blame] | 857 | /* see iface.c */ |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 858 | struct list_head interfaces; |
Johannes Berg | c771c9d | 2009-01-23 22:54:03 +0100 | [diff] [blame] | 859 | struct mutex iflist_mtx; |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 860 | |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 861 | /* |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 862 | * Key mutex, protects sdata's key_list and sta_info's |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 863 | * key pointers (write access, they're RCU.) |
| 864 | */ |
Johannes Berg | ad0e2b5 | 2010-06-01 10:19:19 +0200 | [diff] [blame] | 865 | struct mutex key_mtx; |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 866 | |
Johannes Berg | a1699b7 | 2010-07-30 16:46:07 +0200 | [diff] [blame] | 867 | /* mutex for scan and work locking */ |
| 868 | struct mutex mtx; |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 869 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 870 | /* Scanning and BSS list */ |
Helmut Schaa | fbe9c42 | 2009-07-23 12:14:04 +0200 | [diff] [blame] | 871 | unsigned long scanning; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 872 | struct cfg80211_ssid scan_ssid; |
Johannes Berg | 5ba6353 | 2009-08-07 17:54:07 +0200 | [diff] [blame] | 873 | struct cfg80211_scan_request *int_scan_req; |
Johannes Berg | 4d36ec5 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 874 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 875 | struct ieee80211_channel *scan_channel; |
Johannes Berg | 4d36ec5 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 876 | enum ieee80211_band hw_scan_band; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 877 | int scan_channel_idx; |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 878 | int scan_ies_len; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 879 | |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 880 | bool sched_scanning; |
| 881 | struct ieee80211_sched_scan_ies sched_scan_ies; |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 882 | struct work_struct sched_scan_stopped_work; |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 883 | |
Helmut Schaa | df13cce | 2010-02-24 14:19:21 +0100 | [diff] [blame] | 884 | unsigned long leave_oper_channel_time; |
Helmut Schaa | 977923b | 2009-07-23 12:14:20 +0200 | [diff] [blame] | 885 | enum mac80211_scan_state next_scan_state; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 886 | struct delayed_work scan_work; |
Johannes Berg | 491775a | 2008-09-08 17:44:23 +0200 | [diff] [blame] | 887 | struct ieee80211_sub_if_data *scan_sdata; |
Johannes Berg | 0aaffa9 | 2010-05-05 15:28:27 +0200 | [diff] [blame] | 888 | enum nl80211_channel_type _oper_channel_type; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 889 | struct ieee80211_channel *oper_channel, *csa_channel; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 890 | |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 891 | /* Temporary remain-on-channel for off-channel operations */ |
| 892 | struct ieee80211_channel *tmp_channel; |
| 893 | enum nl80211_channel_type tmp_channel_type; |
| 894 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 895 | /* SNMP counters */ |
| 896 | /* dot11CountersTable */ |
| 897 | u32 dot11TransmittedFragmentCount; |
| 898 | u32 dot11MulticastTransmittedFrameCount; |
| 899 | u32 dot11FailedCount; |
| 900 | u32 dot11RetryCount; |
| 901 | u32 dot11MultipleRetryCount; |
| 902 | u32 dot11FrameDuplicateCount; |
| 903 | u32 dot11ReceivedFragmentCount; |
| 904 | u32 dot11MulticastReceivedFrameCount; |
| 905 | u32 dot11TransmittedFrameCount; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 906 | |
| 907 | #ifdef CONFIG_MAC80211_LEDS |
| 908 | int tx_led_counter, rx_led_counter; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 909 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
Johannes Berg | e1e5406 | 2010-11-30 08:58:45 +0100 | [diff] [blame] | 910 | struct tpt_led_trigger *tpt_led_trigger; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 911 | char tx_led_name[32], rx_led_name[32], |
| 912 | assoc_led_name[32], radio_led_name[32]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 913 | #endif |
| 914 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 915 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 916 | /* TX/RX handler statistics */ |
| 917 | unsigned int tx_handlers_drop; |
| 918 | unsigned int tx_handlers_queued; |
| 919 | unsigned int tx_handlers_drop_unencrypted; |
| 920 | unsigned int tx_handlers_drop_fragment; |
| 921 | unsigned int tx_handlers_drop_wep; |
| 922 | unsigned int tx_handlers_drop_not_assoc; |
| 923 | unsigned int tx_handlers_drop_unauth_port; |
| 924 | unsigned int rx_handlers_drop; |
| 925 | unsigned int rx_handlers_queued; |
| 926 | unsigned int rx_handlers_drop_nullfunc; |
| 927 | unsigned int rx_handlers_drop_defrag; |
| 928 | unsigned int rx_handlers_drop_short; |
| 929 | unsigned int rx_handlers_drop_passive_scan; |
| 930 | unsigned int tx_expand_skb_head; |
| 931 | unsigned int tx_expand_skb_head_cloned; |
| 932 | unsigned int rx_expand_skb_head; |
| 933 | unsigned int rx_expand_skb_head2; |
| 934 | unsigned int rx_handlers_fragments; |
| 935 | unsigned int tx_status_drop; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 936 | #define I802_DEBUG_INC(c) (c)++ |
| 937 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 938 | #define I802_DEBUG_INC(c) do { } while (0) |
| 939 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 940 | |
| 941 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 942 | int total_ps_buffered; /* total number of all buffered unicast and |
| 943 | * multicast packets for power saving stations |
| 944 | */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 945 | int wifi_wme_noack_test; |
| 946 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 947 | |
Kalle Valo | 50ae0cf | 2010-01-12 10:42:39 +0200 | [diff] [blame] | 948 | /* |
| 949 | * Bitmask of enabled u-apsd queues, |
| 950 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association |
| 951 | * to take effect. |
| 952 | */ |
| 953 | unsigned int uapsd_queues; |
| 954 | |
| 955 | /* |
| 956 | * Maximum number of buffered frames AP can deliver during a |
| 957 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. |
| 958 | * Needs a new association to take effect. |
| 959 | */ |
| 960 | unsigned int uapsd_max_sp_len; |
| 961 | |
Kalle Valo | 572e001 | 2009-02-10 17:09:31 +0200 | [diff] [blame] | 962 | bool pspolling; |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 963 | bool offchannel_ps_enabled; |
Johannes Berg | 965beda | 2009-04-16 13:17:24 +0200 | [diff] [blame] | 964 | /* |
| 965 | * PS can only be enabled when we have exactly one managed |
| 966 | * interface (and monitors) in PS, this then points there. |
| 967 | */ |
| 968 | struct ieee80211_sub_if_data *ps_sdata; |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 969 | struct work_struct dynamic_ps_enable_work; |
| 970 | struct work_struct dynamic_ps_disable_work; |
| 971 | struct timer_list dynamic_ps_timer; |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 972 | struct notifier_block network_latency_notifier; |
Juuso Oikarinen | 2b2c009 | 2010-05-27 15:32:13 +0300 | [diff] [blame] | 973 | struct notifier_block ifa_notifier; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 974 | |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 975 | /* |
| 976 | * The dynamic ps timeout configured from user space via WEXT - |
| 977 | * this will override whatever chosen by mac80211 internally. |
| 978 | */ |
| 979 | int dynamic_ps_forced_timeout; |
Juuso Oikarinen | f90754c | 2010-06-21 08:59:39 +0300 | [diff] [blame] | 980 | int dynamic_ps_user_timeout; |
| 981 | bool disable_dynamic_ps; |
Juuso Oikarinen | ff61638 | 2010-06-09 09:51:52 +0300 | [diff] [blame] | 982 | |
Johannes Berg | 2bf30fa | 2009-01-06 23:23:56 +0100 | [diff] [blame] | 983 | int user_power_level; /* in dBm */ |
Vasanthakumar Thiagarajan | a8302de | 2009-01-09 18:14:15 +0530 | [diff] [blame] | 984 | int power_constr_level; /* in dBm */ |
Johannes Berg | 2bf30fa | 2009-01-06 23:23:56 +0100 | [diff] [blame] | 985 | |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 986 | enum ieee80211_smps_mode smps_mode; |
| 987 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 988 | struct work_struct restart_work; |
| 989 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 990 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 991 | struct local_debugfsdentries { |
Johannes Berg | 4b7679a | 2008-09-18 18:14:18 +0200 | [diff] [blame] | 992 | struct dentry *rcdir; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 993 | struct dentry *keys; |
| 994 | } debugfs; |
| 995 | #endif |
John W. Linville | 4e6cbfd | 2010-07-29 16:14:13 -0400 | [diff] [blame] | 996 | |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 997 | struct ieee80211_channel *hw_roc_channel; |
| 998 | struct net_device *hw_roc_dev; |
Johannes Berg | 4334ec8 | 2011-02-02 16:58:06 +0100 | [diff] [blame] | 999 | struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1000 | struct work_struct hw_roc_start, hw_roc_done; |
| 1001 | enum nl80211_channel_type hw_roc_channel_type; |
| 1002 | unsigned int hw_roc_duration; |
| 1003 | u32 hw_roc_cookie; |
Johannes Berg | 90fc4b3 | 2010-12-18 17:20:48 +0100 | [diff] [blame] | 1004 | bool hw_roc_for_tx; |
Johannes Berg | 5f16a43 | 2011-02-25 15:36:57 +0100 | [diff] [blame] | 1005 | unsigned long hw_offchan_tx_cookie; |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1006 | |
John W. Linville | 4e6cbfd | 2010-07-29 16:14:13 -0400 | [diff] [blame] | 1007 | /* dummy netdev for use w/ NAPI */ |
| 1008 | struct net_device napi_dev; |
| 1009 | |
| 1010 | struct napi_struct napi; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1011 | }; |
| 1012 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1013 | static inline struct ieee80211_sub_if_data * |
| 1014 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) |
| 1015 | { |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1016 | return netdev_priv(dev); |
| 1017 | } |
| 1018 | |
Johannes Berg | c1475ca | 2010-06-10 10:21:37 +0200 | [diff] [blame] | 1019 | /* this struct represents 802.11n's RA/TID combination */ |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 1020 | struct ieee80211_ra_tid { |
| 1021 | u8 ra[ETH_ALEN]; |
| 1022 | u16 tid; |
| 1023 | }; |
| 1024 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1025 | /* Parsed Information Elements */ |
| 1026 | struct ieee802_11_elems { |
Jouni Malinen | 43ac2ca | 2008-08-15 22:21:27 +0300 | [diff] [blame] | 1027 | u8 *ie_start; |
| 1028 | size_t total_len; |
| 1029 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1030 | /* pointers to IEs */ |
| 1031 | u8 *ssid; |
| 1032 | u8 *supp_rates; |
| 1033 | u8 *fh_params; |
| 1034 | u8 *ds_params; |
| 1035 | u8 *cf_params; |
Johannes Berg | e7ec86f | 2009-04-18 17:33:24 +0200 | [diff] [blame] | 1036 | struct ieee80211_tim_ie *tim; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1037 | u8 *ibss_params; |
| 1038 | u8 *challenge; |
| 1039 | u8 *wpa; |
| 1040 | u8 *rsn; |
| 1041 | u8 *erp_info; |
| 1042 | u8 *ext_supp_rates; |
| 1043 | u8 *wmm_info; |
| 1044 | u8 *wmm_param; |
Johannes Berg | 0991481 | 2008-10-07 19:31:17 +0200 | [diff] [blame] | 1045 | struct ieee80211_ht_cap *ht_cap_elem; |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 1046 | struct ieee80211_ht_info *ht_info_elem; |
Rui Paulo | 136cfa2 | 2009-11-18 18:40:00 +0000 | [diff] [blame] | 1047 | struct ieee80211_meshconf_ie *mesh_config; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1048 | u8 *mesh_id; |
| 1049 | u8 *peer_link; |
| 1050 | u8 *preq; |
| 1051 | u8 *prep; |
| 1052 | u8 *perr; |
Rui Paulo | 90a5e16 | 2009-11-11 00:01:31 +0000 | [diff] [blame] | 1053 | struct ieee80211_rann_ie *rann; |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 1054 | u8 *ch_switch_elem; |
| 1055 | u8 *country_elem; |
| 1056 | u8 *pwr_constr_elem; |
| 1057 | u8 *quiet_elem; /* first quite element */ |
Jouni Malinen | f797eb7 | 2009-01-19 18:48:46 +0200 | [diff] [blame] | 1058 | u8 *timeout_int; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1059 | |
| 1060 | /* length of them, respectively */ |
| 1061 | u8 ssid_len; |
| 1062 | u8 supp_rates_len; |
| 1063 | u8 fh_params_len; |
| 1064 | u8 ds_params_len; |
| 1065 | u8 cf_params_len; |
| 1066 | u8 tim_len; |
| 1067 | u8 ibss_params_len; |
| 1068 | u8 challenge_len; |
| 1069 | u8 wpa_len; |
| 1070 | u8 rsn_len; |
| 1071 | u8 erp_info_len; |
| 1072 | u8 ext_supp_rates_len; |
| 1073 | u8 wmm_info_len; |
| 1074 | u8 wmm_param_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1075 | u8 mesh_id_len; |
| 1076 | u8 peer_link_len; |
| 1077 | u8 preq_len; |
| 1078 | u8 prep_len; |
| 1079 | u8 perr_len; |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 1080 | u8 ch_switch_elem_len; |
| 1081 | u8 country_elem_len; |
| 1082 | u8 pwr_constr_elem_len; |
| 1083 | u8 quiet_elem_len; |
| 1084 | u8 num_of_quiet_elem; /* can be more the one */ |
Jouni Malinen | f797eb7 | 2009-01-19 18:48:46 +0200 | [diff] [blame] | 1085 | u8 timeout_int_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1086 | }; |
| 1087 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1088 | static inline struct ieee80211_local *hw_to_local( |
| 1089 | struct ieee80211_hw *hw) |
| 1090 | { |
| 1091 | return container_of(hw, struct ieee80211_local, hw); |
| 1092 | } |
| 1093 | |
| 1094 | static inline struct ieee80211_hw *local_to_hw( |
| 1095 | struct ieee80211_local *local) |
| 1096 | { |
| 1097 | return &local->hw; |
| 1098 | } |
| 1099 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1100 | |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1101 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
| 1102 | { |
| 1103 | return compare_ether_addr(raddr, addr) == 0 || |
| 1104 | is_broadcast_ether_addr(raddr); |
| 1105 | } |
| 1106 | |
| 1107 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1108 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 1109 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1110 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
| 1111 | u32 changed); |
Johannes Berg | 0d143fe | 2008-09-11 00:01:59 +0200 | [diff] [blame] | 1112 | void ieee80211_configure_filter(struct ieee80211_local *local); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1113 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1114 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1115 | /* STA code */ |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1116 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 1117 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
| 1118 | struct cfg80211_auth_request *req); |
| 1119 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, |
| 1120 | struct cfg80211_assoc_request *req); |
| 1121 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 1122 | struct cfg80211_deauth_request *req, |
| 1123 | void *cookie); |
Johannes Berg | 77fdaa1 | 2009-07-07 03:45:17 +0200 | [diff] [blame] | 1124 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 1125 | struct cfg80211_disassoc_request *req, |
| 1126 | void *cookie); |
Kalle Valo | 572e001 | 2009-02-10 17:09:31 +0200 | [diff] [blame] | 1127 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
| 1128 | struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 10f644a | 2009-04-16 13:17:25 +0200 | [diff] [blame] | 1129 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
| 1130 | int ieee80211_max_network_latency(struct notifier_block *nb, |
| 1131 | unsigned long data, void *dummy); |
Juuso Oikarinen | 2b2c009 | 2010-05-27 15:32:13 +0300 | [diff] [blame] | 1132 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | cc32abd | 2009-05-15 11:52:31 +0200 | [diff] [blame] | 1133 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
| 1134 | struct ieee80211_channel_sw_ie *sw_elem, |
Johannes Berg | 5ce6e43 | 2010-05-11 16:20:57 +0200 | [diff] [blame] | 1135 | struct ieee80211_bss *bss, |
| 1136 | u64 timestamp); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1137 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
| 1138 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1fa57d0 | 2010-06-10 10:21:32 +0200 | [diff] [blame] | 1139 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
| 1140 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1141 | struct sk_buff *skb); |
Luis R. Rodriguez | d3a910a | 2010-09-16 15:12:32 -0400 | [diff] [blame] | 1142 | 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] | 1143 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1144 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1145 | /* IBSS code */ |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1146 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
| 1147 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1148 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 34e8950 | 2010-02-03 13:59:58 +0100 | [diff] [blame] | 1149 | u8 *bssid, u8 *addr, u32 supp_rates, |
| 1150 | gfp_t gfp); |
Johannes Berg | af8cdcd | 2009-04-19 21:25:43 +0200 | [diff] [blame] | 1151 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
| 1152 | struct cfg80211_ibss_params *params); |
| 1153 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1154 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
| 1155 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 1fa57d0 | 2010-06-10 10:21:32 +0200 | [diff] [blame] | 1156 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
| 1157 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1158 | struct sk_buff *skb); |
| 1159 | |
| 1160 | /* mesh code */ |
| 1161 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); |
| 1162 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1163 | struct sk_buff *skb); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1164 | |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1165 | /* scan/BSS handling */ |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1166 | void ieee80211_scan_work(struct work_struct *work); |
Johannes Berg | f3b8525 | 2009-04-23 16:01:47 +0200 | [diff] [blame] | 1167 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | be4a4b6 | 2010-05-03 08:49:48 +0200 | [diff] [blame] | 1168 | const u8 *ssid, u8 ssid_len, |
| 1169 | struct ieee80211_channel *chan); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1170 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1171 | struct cfg80211_scan_request *req); |
Johannes Berg | 5bb644a | 2009-05-17 11:40:42 +0200 | [diff] [blame] | 1172 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1173 | ieee80211_rx_result |
Johannes Berg | f1d58c2 | 2009-06-17 13:13:00 +0200 | [diff] [blame] | 1174 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1175 | |
Johannes Berg | 0a51b27 | 2008-09-08 17:44:25 +0200 | [diff] [blame] | 1176 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1177 | struct ieee80211_bss * |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 1178 | ieee80211_bss_info_update(struct ieee80211_local *local, |
| 1179 | struct ieee80211_rx_status *rx_status, |
| 1180 | struct ieee80211_mgmt *mgmt, |
| 1181 | size_t len, |
| 1182 | struct ieee802_11_elems *elems, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 1183 | struct ieee80211_channel *channel, |
| 1184 | bool beacon); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1185 | struct ieee80211_bss * |
Johannes Berg | 5484e23 | 2008-09-08 17:44:27 +0200 | [diff] [blame] | 1186 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
| 1187 | u8 *ssid, u8 ssid_len); |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 1188 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 1189 | struct ieee80211_bss *bss); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1190 | |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1191 | /* scheduled scan handling */ |
| 1192 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, |
| 1193 | struct cfg80211_sched_scan_request *req); |
Luciano Coelho | 85a9994 | 2011-05-12 16:28:29 +0300 | [diff] [blame] | 1194 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
| 1195 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); |
Luciano Coelho | 79f460c | 2011-05-11 17:09:36 +0300 | [diff] [blame] | 1196 | |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1197 | /* off-channel helpers */ |
Ben Greear | b23b025 | 2011-02-04 11:54:17 -0800 | [diff] [blame] | 1198 | bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local); |
| 1199 | void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local, |
| 1200 | bool tell_ap); |
| 1201 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, |
| 1202 | bool offchannel_ps_enable); |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1203 | void ieee80211_offchannel_return(struct ieee80211_local *local, |
Ben Greear | b23b025 | 2011-02-04 11:54:17 -0800 | [diff] [blame] | 1204 | bool enable_beaconing, |
| 1205 | bool offchannel_ps_disable); |
Johannes Berg | 21f8358 | 2010-12-18 17:20:47 +0100 | [diff] [blame] | 1206 | void ieee80211_hw_roc_setup(struct ieee80211_local *local); |
Jouni Malinen | b203ffc | 2009-12-23 13:15:40 +0100 | [diff] [blame] | 1207 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1208 | /* interface handling */ |
Johannes Berg | 47846c9 | 2009-11-25 17:46:19 +0100 | [diff] [blame] | 1209 | int ieee80211_iface_init(void); |
| 1210 | void ieee80211_iface_exit(void); |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 1211 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1212 | struct net_device **new_dev, enum nl80211_iftype type, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 1213 | struct vif_params *params); |
Johannes Berg | f3947e2 | 2008-07-09 14:40:36 +0200 | [diff] [blame] | 1214 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1215 | enum nl80211_iftype type); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1216 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 7563652 | 2008-07-09 14:40:35 +0200 | [diff] [blame] | 1217 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
Johannes Berg | 5cff20e | 2009-04-29 12:26:17 +0200 | [diff] [blame] | 1218 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
| 1219 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
Christian Lamparter | 85416a4 | 2010-10-02 13:17:07 +0200 | [diff] [blame] | 1220 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
| 1221 | const int offset); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1222 | |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 1223 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
| 1224 | { |
Johannes Berg | 34d4bc4 | 2010-08-27 12:35:58 +0200 | [diff] [blame] | 1225 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
Johannes Berg | 9607e6b | 2009-12-23 13:15:31 +0100 | [diff] [blame] | 1226 | } |
| 1227 | |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1228 | /* tx handling */ |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1229 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
| 1230 | void ieee80211_tx_pending(unsigned long data); |
Stephen Hemminger | d0cf9c0 | 2009-08-31 19:50:57 +0000 | [diff] [blame] | 1231 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
| 1232 | struct net_device *dev); |
| 1233 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, |
| 1234 | struct net_device *dev); |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 1235 | |
Johannes Berg | fe7a5d5 | 2009-11-18 18:42:47 +0100 | [diff] [blame] | 1236 | /* |
| 1237 | * radiotap header for status frames |
| 1238 | */ |
| 1239 | struct ieee80211_tx_status_rtap_hdr { |
| 1240 | struct ieee80211_radiotap_header hdr; |
| 1241 | u8 rate; |
| 1242 | u8 padding_for_rate; |
| 1243 | __le16 tx_flags; |
| 1244 | u8 data_retries; |
Eric Dumazet | bc10502 | 2010-06-03 03:21:52 -0700 | [diff] [blame] | 1245 | } __packed; |
Johannes Berg | fe7a5d5 | 2009-11-18 18:42:47 +0100 | [diff] [blame] | 1246 | |
| 1247 | |
Johannes Berg | de1ede7a | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1248 | /* HT */ |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 1249 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
| 1250 | struct ieee80211_ht_cap *ht_cap_ie, |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 1251 | struct ieee80211_sta_ht_cap *ht_cap); |
Johannes Berg | de1ede7a | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1252 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
Johannes Berg | b8695a8 | 2009-02-10 21:25:46 +0100 | [diff] [blame] | 1253 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
| 1254 | const u8 *da, u16 tid, |
| 1255 | u16 initiator, u16 reason_code); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1256 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
| 1257 | enum ieee80211_smps_mode smps, const u8 *da, |
| 1258 | const u8 *bssid); |
Johannes Berg | d1f5b7a | 2010-08-05 17:05:55 +0200 | [diff] [blame] | 1259 | void ieee80211_request_smps_work(struct work_struct *work); |
Johannes Berg | de1ede7a | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1260 | |
Johannes Berg | 7c3b1dd | 2010-06-10 10:21:44 +0200 | [diff] [blame] | 1261 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1262 | u16 initiator, u16 reason, bool stop); |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1263 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1264 | u16 initiator, u16 reason, bool stop); |
| 1265 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); |
Johannes Berg | de1ede7a | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 1266 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
| 1267 | struct sta_info *sta, |
| 1268 | struct ieee80211_mgmt *mgmt, size_t len); |
| 1269 | void ieee80211_process_addba_resp(struct ieee80211_local *local, |
| 1270 | struct sta_info *sta, |
| 1271 | struct ieee80211_mgmt *mgmt, |
| 1272 | size_t len); |
| 1273 | void ieee80211_process_addba_request(struct ieee80211_local *local, |
| 1274 | struct sta_info *sta, |
| 1275 | struct ieee80211_mgmt *mgmt, |
| 1276 | size_t len); |
| 1277 | |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1278 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1279 | enum ieee80211_back_parties initiator, |
| 1280 | bool tx); |
Johannes Berg | 67c282c | 2010-06-10 10:21:43 +0200 | [diff] [blame] | 1281 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
Johannes Berg | 53f73c0 | 2010-10-05 19:37:40 +0200 | [diff] [blame] | 1282 | enum ieee80211_back_parties initiator, |
| 1283 | bool tx); |
Johannes Berg | 5d22c89 | 2010-06-10 10:21:40 +0200 | [diff] [blame] | 1284 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
| 1285 | 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] | 1286 | void ieee80211_ba_session_work(struct work_struct *work); |
| 1287 | 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] | 1288 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
Johannes Berg | 849b796 | 2009-02-10 21:25:54 +0100 | [diff] [blame] | 1289 | |
Johannes Berg | 39192c0 | 2008-09-09 14:49:03 +0200 | [diff] [blame] | 1290 | /* Spectrum management */ |
| 1291 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, |
| 1292 | struct ieee80211_mgmt *mgmt, |
| 1293 | size_t len); |
| 1294 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1295 | /* Suspend/resume and hw reconfiguration */ |
| 1296 | int ieee80211_reconfig(struct ieee80211_local *local); |
Johannes Berg | 84f6a01 | 2009-08-20 20:02:20 +0200 | [diff] [blame] | 1297 | void ieee80211_stop_device(struct ieee80211_local *local); |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1298 | |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1299 | #ifdef CONFIG_PM |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 1300 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
| 1301 | struct cfg80211_wowlan *wowlan); |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1302 | |
| 1303 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
| 1304 | { |
John W. Linville | 85f72bc | 2010-09-01 16:12:28 -0400 | [diff] [blame] | 1305 | struct ieee80211_local *local = hw_to_local(hw); |
| 1306 | |
| 1307 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), |
| 1308 | "%s: resume with hardware scan still in progress\n", |
| 1309 | wiphy_name(hw->wiphy)); |
| 1310 | |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1311 | return ieee80211_reconfig(hw_to_local(hw)); |
| 1312 | } |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1313 | #else |
Johannes Berg | eecc480 | 2011-05-04 15:37:29 +0200 | [diff] [blame] | 1314 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw, |
| 1315 | struct cfg80211_wowlan *wowlan) |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1316 | { |
| 1317 | return 0; |
| 1318 | } |
Johannes Berg | f2753dd | 2009-04-14 10:09:24 +0200 | [diff] [blame] | 1319 | |
Johannes Berg | 827b1fb | 2009-03-13 11:44:18 +0100 | [diff] [blame] | 1320 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
| 1321 | { |
| 1322 | return 0; |
| 1323 | } |
| 1324 | #endif |
Bob Copeland | 665af4f | 2009-01-19 11:20:53 -0500 | [diff] [blame] | 1325 | |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 1326 | /* utility functions/constants */ |
| 1327 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ |
Ron Rindjunsky | 7136471 | 2007-12-25 17:00:36 +0200 | [diff] [blame] | 1328 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1329 | enum nl80211_iftype type); |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 1330 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
| 1331 | int rate, int erp, int short_preamble); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 1332 | 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] | 1333 | struct ieee80211_hdr *hdr, const u8 *tsc, |
| 1334 | gfp_t gfp); |
Johannes Berg | 5825fe1 | 2008-09-09 12:56:01 +0200 | [diff] [blame] | 1335 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 62ae67b | 2009-11-18 18:42:05 +0100 | [diff] [blame] | 1336 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 1337 | void ieee802_11_parse_elems(u8 *start, size_t len, |
| 1338 | struct ieee802_11_elems *elems); |
Johannes Berg | d91f36d | 2009-04-16 13:17:26 +0200 | [diff] [blame] | 1339 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
| 1340 | struct ieee802_11_elems *elems, |
| 1341 | u64 filter, u32 crc); |
Johannes Berg | 881d948 | 2009-01-21 15:13:48 +0100 | [diff] [blame] | 1342 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
Johannes Berg | 96dd22a | 2008-09-11 00:01:57 +0200 | [diff] [blame] | 1343 | enum ieee80211_band band); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1344 | |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1345 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
| 1346 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); |
| 1347 | void ieee80211_dynamic_ps_timer(unsigned long data); |
Vivek Natarajan | a97b77b | 2008-12-23 18:39:02 -0800 | [diff] [blame] | 1348 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
| 1349 | struct ieee80211_sub_if_data *sdata, |
| 1350 | int powersave); |
Kalle Valo | 3cf335d | 2009-03-22 21:57:06 +0200 | [diff] [blame] | 1351 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
| 1352 | struct ieee80211_hdr *hdr); |
Felix Fietkau | 4e5ff37 | 2010-11-23 03:10:31 +0100 | [diff] [blame] | 1353 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
Felix Fietkau | 04ac3c0 | 2010-12-02 21:01:08 +0100 | [diff] [blame] | 1354 | struct ieee80211_hdr *hdr, bool ack); |
Juuso Oikarinen | 1e4dcd0 | 2010-03-19 07:14:53 +0200 | [diff] [blame] | 1355 | void ieee80211_beacon_connection_loss_work(struct work_struct *work); |
Kalle Valo | 520eb82 | 2008-12-18 23:35:27 +0200 | [diff] [blame] | 1356 | |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1357 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
| 1358 | enum queue_stop_reason reason); |
| 1359 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, |
| 1360 | enum queue_stop_reason reason); |
Johannes Berg | 96f5e66 | 2009-02-12 00:51:53 +0100 | [diff] [blame] | 1361 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
| 1362 | enum queue_stop_reason reason); |
| 1363 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, |
| 1364 | enum queue_stop_reason reason); |
Johannes Berg | 8f77f38 | 2009-06-07 21:58:37 +0200 | [diff] [blame] | 1365 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
| 1366 | struct sk_buff *skb); |
| 1367 | int ieee80211_add_pending_skbs(struct ieee80211_local *local, |
| 1368 | struct sk_buff_head *skbs); |
Johannes Berg | 50a9432 | 2010-11-16 11:50:28 -0800 | [diff] [blame] | 1369 | int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
| 1370 | struct sk_buff_head *skbs, |
| 1371 | void (*fn)(void *data), void *data); |
Kalle Valo | ce7c911 | 2008-12-18 23:35:20 +0200 | [diff] [blame] | 1372 | |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1373 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
| 1374 | u16 transaction, u16 auth_alg, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 1375 | u8 *extra, size_t extra_len, const u8 *bssid, |
| 1376 | const u8 *key, u8 key_len, u8 key_idx); |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 1377 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
Johannes Berg | 4d36ec5 | 2009-10-27 20:59:55 +0100 | [diff] [blame] | 1378 | const u8 *ie, size_t ie_len, |
Jouni Malinen | 651b522 | 2010-08-28 19:37:51 +0300 | [diff] [blame] | 1379 | enum ieee80211_band band, u32 rate_mask, |
| 1380 | u8 channel); |
Juuso Oikarinen | a619a4c | 2010-11-11 08:50:18 +0200 | [diff] [blame] | 1381 | 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] | 1382 | u8 *dst, u32 ratemask, |
Juuso Oikarinen | a619a4c | 2010-11-11 08:50:18 +0200 | [diff] [blame] | 1383 | const u8 *ssid, size_t ssid_len, |
Paul Stewart | a806c55 | 2011-06-23 09:00:11 -0800 | [diff] [blame] | 1384 | const u8 *ie, size_t ie_len, |
| 1385 | bool directed); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1386 | 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] | 1387 | const u8 *ssid, size_t ssid_len, |
Paul Stewart | a806c55 | 2011-06-23 09:00:11 -0800 | [diff] [blame] | 1388 | const u8 *ie, size_t ie_len, |
Johannes Berg | 85a237f | 2011-07-18 18:08:36 +0200 | [diff] [blame] | 1389 | u32 ratemask, bool directed); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1390 | |
| 1391 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, |
| 1392 | const size_t supp_rates_len, |
| 1393 | const u8 *supp_rates); |
| 1394 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, |
| 1395 | struct ieee802_11_elems *elems, |
| 1396 | enum ieee80211_band band); |
Johannes Berg | 0f78231 | 2009-12-01 13:37:02 +0100 | [diff] [blame] | 1397 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
| 1398 | enum ieee80211_smps_mode smps_mode); |
Johannes Berg | 025e6be | 2010-10-05 10:41:47 +0200 | [diff] [blame] | 1399 | void ieee80211_recalc_smps(struct ieee80211_local *local); |
Johannes Berg | 4690029 | 2009-02-15 12:44:28 +0100 | [diff] [blame] | 1400 | |
Johannes Berg | 8e664fb | 2009-12-23 13:15:38 +0100 | [diff] [blame] | 1401 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
| 1402 | const u8 *ids, int n_ids, size_t offset); |
| 1403 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); |
| 1404 | |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 1405 | /* internal work items */ |
| 1406 | void ieee80211_work_init(struct ieee80211_local *local); |
| 1407 | void ieee80211_add_work(struct ieee80211_work *wk); |
| 1408 | void free_work(struct ieee80211_work *wk); |
| 1409 | void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); |
| 1410 | ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
| 1411 | struct sk_buff *skb); |
Johannes Berg | b8bc4b0 | 2009-12-23 13:15:42 +0100 | [diff] [blame] | 1412 | int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, |
| 1413 | struct ieee80211_channel *chan, |
| 1414 | enum nl80211_channel_type channel_type, |
| 1415 | unsigned int duration, u64 *cookie); |
| 1416 | int ieee80211_wk_cancel_remain_on_channel( |
| 1417 | struct ieee80211_sub_if_data *sdata, u64 cookie); |
Johannes Berg | af6b637 | 2009-12-23 13:15:35 +0100 | [diff] [blame] | 1418 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1419 | /* channel management */ |
| 1420 | enum ieee80211_chan_mode { |
| 1421 | CHAN_MODE_UNDEFINED, |
| 1422 | CHAN_MODE_HOPPING, |
| 1423 | CHAN_MODE_FIXED, |
| 1424 | }; |
| 1425 | |
| 1426 | enum ieee80211_chan_mode |
| 1427 | ieee80211_get_channel_mode(struct ieee80211_local *local, |
| 1428 | struct ieee80211_sub_if_data *ignore); |
Johannes Berg | 0aaffa9 | 2010-05-05 15:28:27 +0200 | [diff] [blame] | 1429 | bool ieee80211_set_channel_type(struct ieee80211_local *local, |
| 1430 | struct ieee80211_sub_if_data *sdata, |
| 1431 | enum nl80211_channel_type chantype); |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1432 | |
Johannes Berg | f4ea83d | 2008-06-30 15:10:46 +0200 | [diff] [blame] | 1433 | #ifdef CONFIG_MAC80211_NOINLINE |
Johannes Berg | d9e8a70 | 2008-06-30 15:10:44 +0200 | [diff] [blame] | 1434 | #define debug_noinline noinline |
| 1435 | #else |
| 1436 | #define debug_noinline |
| 1437 | #endif |
| 1438 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1439 | #endif /* IEEE80211_I_H */ |