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> |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 5 | * Copyright 2007-2008 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> |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 26 | #include <net/wireless.h> |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 27 | #include <net/iw_handler.h> |
David S. Miller | 51cb6db | 2008-07-15 03:34:57 -0700 | [diff] [blame] | 28 | #include <net/mac80211.h> |
Johannes Berg | 2c8dccc | 2008-04-08 15:14:40 -0400 | [diff] [blame] | 29 | #include "key.h" |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 30 | #include "sta_info.h" |
| 31 | |
Johannes Berg | 9cfb000 | 2008-04-03 15:17:31 +0200 | [diff] [blame] | 32 | struct ieee80211_local; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 33 | |
| 34 | /* Maximum number of broadcast/multicast frames to buffer when some of the |
| 35 | * associated stations are using power saving. */ |
| 36 | #define AP_MAX_BC_BUFFER 128 |
| 37 | |
| 38 | /* Maximum number of frames buffered to all STAs, including multicast frames. |
| 39 | * Note: increasing this limit increases the potential memory requirement. Each |
| 40 | * frame can be up to about 2 kB long. */ |
| 41 | #define TOTAL_MAX_TX_BUFFER 512 |
| 42 | |
| 43 | /* Required encryption head and tailroom */ |
| 44 | #define IEEE80211_ENCRYPT_HEADROOM 8 |
| 45 | #define IEEE80211_ENCRYPT_TAILROOM 12 |
| 46 | |
| 47 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent |
| 48 | * reception of at least three fragmented frames. This limit can be increased |
| 49 | * by changing this define, at the cost of slower frame reassembly and |
| 50 | * increased memory use (about 2 kB of RAM per entry). */ |
| 51 | #define IEEE80211_FRAGMENT_MAX 4 |
| 52 | |
Johannes Berg | 0a51b27 | 2008-09-08 17:44:25 +0200 | [diff] [blame] | 53 | /* |
| 54 | * Time after which we ignore scan results and no longer report/use |
| 55 | * them in any way. |
| 56 | */ |
| 57 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) |
| 58 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 59 | struct ieee80211_fragment_entry { |
| 60 | unsigned long first_frag_time; |
| 61 | unsigned int seq; |
| 62 | unsigned int rx_queue; |
| 63 | unsigned int last_frag; |
| 64 | unsigned int extra_len; |
| 65 | struct sk_buff_head skb_list; |
| 66 | int ccmp; /* Whether fragments were encrypted with CCMP */ |
| 67 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 68 | }; |
| 69 | |
| 70 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 71 | struct ieee80211_bss { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 72 | struct list_head list; |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 73 | struct ieee80211_bss *hnext; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 74 | size_t ssid_len; |
| 75 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 76 | atomic_t users; |
| 77 | |
| 78 | u8 bssid[ETH_ALEN]; |
| 79 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
Emmanuel Grumbach | 98f7dfd | 2008-07-18 13:52:59 +0800 | [diff] [blame] | 80 | u8 dtim_period; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 81 | u16 capability; /* host byte order */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 82 | enum ieee80211_band band; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 83 | int freq; |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 84 | int signal, noise, qual; |
Jouni Malinen | 43ac2ca | 2008-08-15 22:21:27 +0300 | [diff] [blame] | 85 | u8 *ies; /* all information elements from the last Beacon or Probe |
| 86 | * Response frames; note Beacon frame is not allowed to |
| 87 | * override values from Probe Response */ |
| 88 | size_t ies_len; |
| 89 | bool wmm_used; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 90 | #ifdef CONFIG_MAC80211_MESH |
| 91 | u8 *mesh_id; |
| 92 | size_t mesh_id_len; |
John W. Linville | 2473670 | 2008-04-08 14:15:46 -0400 | [diff] [blame] | 93 | u8 *mesh_cfg; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 94 | #endif |
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 | u64 timestamp; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 99 | int beacon_int; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 100 | |
Ron Rindjunsky | 9859b81 | 2008-08-09 03:02:19 +0300 | [diff] [blame] | 101 | unsigned long last_probe_resp; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 102 | unsigned long last_update; |
| 103 | |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 104 | /* during assocation, we save an ERP value from a probe response so |
| 105 | * that we can feed ERP info to the driver when handling the |
| 106 | * association completes. these fields probably won't be up-to-date |
| 107 | * otherwise, you probably don't want to use them. */ |
| 108 | int has_erp_value; |
| 109 | u8 erp_value; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 110 | }; |
| 111 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 112 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 113 | { |
| 114 | #ifdef CONFIG_MAC80211_MESH |
| 115 | return bss->mesh_cfg; |
| 116 | #endif |
| 117 | return NULL; |
| 118 | } |
| 119 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 120 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 121 | { |
| 122 | #ifdef CONFIG_MAC80211_MESH |
| 123 | return bss->mesh_id; |
| 124 | #endif |
| 125 | return NULL; |
| 126 | } |
| 127 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 128 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 129 | { |
| 130 | #ifdef CONFIG_MAC80211_MESH |
| 131 | return bss->mesh_id_len; |
| 132 | #endif |
| 133 | return 0; |
| 134 | } |
| 135 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 136 | |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 137 | typedef unsigned __bitwise__ ieee80211_tx_result; |
| 138 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) |
| 139 | #define TX_DROP ((__force ieee80211_tx_result) 1u) |
| 140 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) |
| 141 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 142 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
| 143 | #define IEEE80211_TX_UNICAST BIT(1) |
| 144 | #define IEEE80211_TX_PS_BUFFERED BIT(2) |
| 145 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 146 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 147 | struct ieee80211_tx_data { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 148 | struct sk_buff *skb; |
| 149 | struct net_device *dev; |
| 150 | struct ieee80211_local *local; |
| 151 | struct ieee80211_sub_if_data *sdata; |
| 152 | struct sta_info *sta; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 153 | struct ieee80211_key *key; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 154 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 155 | struct ieee80211_channel *channel; |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 156 | s8 rate_idx; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 157 | /* use this rate (if set) for last fragment; rate can |
| 158 | * be set to lower rate for the first fragments, e.g., |
| 159 | * when using CTS protection with IEEE 802.11g. */ |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 160 | s8 last_frag_rate_idx; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 161 | |
| 162 | /* Extra fragments (in addition to the first fragment |
| 163 | * in skb) */ |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 164 | struct sk_buff **extra_frag; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 165 | int num_extra_frag; |
| 166 | |
Harvey Harrison | a4b7d7b | 2008-07-15 18:44:14 -0700 | [diff] [blame] | 167 | u16 ethertype; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 168 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 169 | }; |
| 170 | |
| 171 | |
| 172 | typedef unsigned __bitwise__ ieee80211_rx_result; |
| 173 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
| 174 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) |
| 175 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) |
| 176 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) |
| 177 | |
| 178 | #define IEEE80211_RX_IN_SCAN BIT(0) |
| 179 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
| 180 | #define IEEE80211_RX_RA_MATCH BIT(1) |
| 181 | #define IEEE80211_RX_AMSDU BIT(2) |
| 182 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) |
| 183 | #define IEEE80211_RX_FRAGMENTED BIT(4) |
| 184 | |
| 185 | struct ieee80211_rx_data { |
| 186 | struct sk_buff *skb; |
| 187 | struct net_device *dev; |
| 188 | struct ieee80211_local *local; |
| 189 | struct ieee80211_sub_if_data *sdata; |
| 190 | struct sta_info *sta; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 191 | struct ieee80211_key *key; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 192 | struct ieee80211_rx_status *status; |
| 193 | struct ieee80211_rate *rate; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 194 | |
Harvey Harrison | a4b7d7b | 2008-07-15 18:44:14 -0700 | [diff] [blame] | 195 | u16 ethertype; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 196 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 197 | int sent_ps_buffered; |
| 198 | int queue; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 199 | u32 tkip_iv32; |
| 200 | u16 tkip_iv16; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 201 | }; |
| 202 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 203 | struct ieee80211_tx_stored_packet { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 204 | struct sk_buff *skb; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 205 | struct sk_buff **extra_frag; |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 206 | s8 last_frag_rate_idx; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 207 | int num_extra_frag; |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 208 | bool last_frag_rate_ctrl_probe; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 209 | }; |
| 210 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 211 | struct beacon_data { |
| 212 | u8 *head, *tail; |
| 213 | int head_len, tail_len; |
| 214 | int dtim_period; |
| 215 | }; |
| 216 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 217 | struct ieee80211_if_ap { |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 218 | struct beacon_data *beacon; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 219 | |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 220 | struct list_head vlans; |
| 221 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 222 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 223 | size_t ssid_len; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 224 | |
| 225 | /* yes, this looks ugly, but guarantees that we can later use |
| 226 | * bitmap_empty :) |
Johannes Berg | 004c872 | 2008-02-20 11:21:35 +0100 | [diff] [blame] | 227 | * 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] | 228 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 229 | struct sk_buff_head ps_bc_buf; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 230 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 231 | int dtim_count; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 232 | }; |
| 233 | |
| 234 | struct ieee80211_if_wds { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 235 | struct sta_info *sta; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 236 | u8 remote_addr[ETH_ALEN]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 237 | }; |
| 238 | |
| 239 | struct ieee80211_if_vlan { |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 240 | struct list_head list; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 241 | }; |
| 242 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 243 | struct mesh_stats { |
| 244 | __u32 fwded_frames; /* Mesh forwarded frames */ |
| 245 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
| 246 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ |
| 247 | atomic_t estab_plinks; |
| 248 | }; |
| 249 | |
| 250 | #define PREQ_Q_F_START 0x1 |
| 251 | #define PREQ_Q_F_REFRESH 0x2 |
| 252 | struct mesh_preq_queue { |
| 253 | struct list_head list; |
| 254 | u8 dst[ETH_ALEN]; |
| 255 | u8 flags; |
| 256 | }; |
| 257 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 258 | struct mesh_config { |
| 259 | /* Timeouts in ms */ |
| 260 | /* Mesh plink management parameters */ |
| 261 | u16 dot11MeshRetryTimeout; |
| 262 | u16 dot11MeshConfirmTimeout; |
| 263 | u16 dot11MeshHoldingTimeout; |
| 264 | u16 dot11MeshMaxPeerLinks; |
| 265 | u8 dot11MeshMaxRetries; |
| 266 | u8 dot11MeshTTL; |
| 267 | bool auto_open_plinks; |
| 268 | /* HWMP parameters */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 269 | u8 dot11MeshHWMPmaxPREQretries; |
| 270 | u32 path_refresh_time; |
| 271 | u16 min_discovery_timeout; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 272 | u32 dot11MeshHWMPactivePathTimeout; |
| 273 | u16 dot11MeshHWMPpreqMinInterval; |
| 274 | u16 dot11MeshHWMPnetDiameterTraversalTime; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 275 | }; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 276 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 277 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 278 | /* flags used in struct ieee80211_if_sta.flags */ |
| 279 | #define IEEE80211_STA_SSID_SET BIT(0) |
| 280 | #define IEEE80211_STA_BSSID_SET BIT(1) |
| 281 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) |
| 282 | #define IEEE80211_STA_AUTHENTICATED BIT(3) |
| 283 | #define IEEE80211_STA_ASSOCIATED BIT(4) |
| 284 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) |
| 285 | #define IEEE80211_STA_CREATE_IBSS BIT(6) |
| 286 | #define IEEE80211_STA_MIXED_CELL BIT(7) |
| 287 | #define IEEE80211_STA_WMM_ENABLED BIT(8) |
| 288 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) |
| 289 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) |
| 290 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) |
Johannes Berg | 5b98b1f | 2007-11-03 13:11:10 +0000 | [diff] [blame] | 291 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
Johannes Berg | ccd7b36 | 2008-09-11 00:01:56 +0200 | [diff] [blame] | 292 | /* flags for MLME request */ |
Tomas Winkler | 48c2fc5 | 2008-08-06 14:22:01 +0300 | [diff] [blame] | 293 | #define IEEE80211_STA_REQ_SCAN 0 |
Ron Rindjunsky | 9859b81 | 2008-08-09 03:02:19 +0300 | [diff] [blame] | 294 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
| 295 | #define IEEE80211_STA_REQ_AUTH 2 |
| 296 | #define IEEE80211_STA_REQ_RUN 3 |
Tomas Winkler | 48c2fc5 | 2008-08-06 14:22:01 +0300 | [diff] [blame] | 297 | |
Johannes Berg | ccd7b36 | 2008-09-11 00:01:56 +0200 | [diff] [blame] | 298 | /* STA/IBSS MLME states */ |
Tomas Winkler | 48c2fc5 | 2008-08-06 14:22:01 +0300 | [diff] [blame] | 299 | enum ieee80211_sta_mlme_state { |
| 300 | IEEE80211_STA_MLME_DISABLED, |
Ron Rindjunsky | 9859b81 | 2008-08-09 03:02:19 +0300 | [diff] [blame] | 301 | IEEE80211_STA_MLME_DIRECT_PROBE, |
Tomas Winkler | 48c2fc5 | 2008-08-06 14:22:01 +0300 | [diff] [blame] | 302 | IEEE80211_STA_MLME_AUTHENTICATE, |
| 303 | IEEE80211_STA_MLME_ASSOCIATE, |
| 304 | IEEE80211_STA_MLME_ASSOCIATED, |
| 305 | IEEE80211_STA_MLME_IBSS_SEARCH, |
| 306 | IEEE80211_STA_MLME_IBSS_JOINED, |
Tomas Winkler | 48c2fc5 | 2008-08-06 14:22:01 +0300 | [diff] [blame] | 307 | }; |
| 308 | |
| 309 | /* bitfield of allowed auth algs */ |
| 310 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) |
| 311 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) |
| 312 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) |
| 313 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 314 | struct ieee80211_if_sta { |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 315 | struct timer_list timer; |
| 316 | struct work_struct work; |
| 317 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
| 318 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
Tomas Winkler | 48c2fc5 | 2008-08-06 14:22:01 +0300 | [diff] [blame] | 319 | enum ieee80211_sta_mlme_state state; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 320 | size_t ssid_len; |
Helmut Schaa | a0af5f1 | 2007-11-09 16:25:08 +0100 | [diff] [blame] | 321 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
| 322 | size_t scan_ssid_len; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 323 | u16 aid; |
| 324 | u16 ap_capab, capab; |
| 325 | u8 *extra_ie; /* to be added to the end of AssocReq */ |
| 326 | size_t extra_ie_len; |
| 327 | |
| 328 | /* The last AssocReq/Resp IEs */ |
| 329 | u8 *assocreq_ies, *assocresp_ies; |
| 330 | size_t assocreq_ies_len, assocresp_ies_len; |
| 331 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 332 | struct sk_buff_head skb_queue; |
| 333 | |
Ron Rindjunsky | 6042a3e | 2008-08-08 01:50:46 +0300 | [diff] [blame] | 334 | int assoc_scan_tries; /* number of scans done pre-association */ |
Ron Rindjunsky | 9859b81 | 2008-08-09 03:02:19 +0300 | [diff] [blame] | 335 | int direct_probe_tries; /* retries for direct probes */ |
Ron Rindjunsky | 6042a3e | 2008-08-08 01:50:46 +0300 | [diff] [blame] | 336 | int auth_tries; /* retries for auth req */ |
| 337 | int assoc_tries; /* retries for assoc req */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 338 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 339 | unsigned long request; |
| 340 | |
| 341 | unsigned long last_probe; |
| 342 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 343 | unsigned int flags; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 344 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 345 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
| 346 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ |
| 347 | int auth_transaction; |
| 348 | |
| 349 | unsigned long ibss_join_req; |
| 350 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 351 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 352 | |
| 353 | int wmm_last_param_set; |
| 354 | }; |
| 355 | |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 356 | struct ieee80211_if_mesh { |
| 357 | struct work_struct work; |
| 358 | struct timer_list housekeeping_timer; |
| 359 | struct timer_list mesh_path_timer; |
| 360 | struct sk_buff_head skb_queue; |
| 361 | |
| 362 | bool housekeeping; |
| 363 | |
| 364 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; |
| 365 | size_t mesh_id_len; |
| 366 | /* Active Path Selection Protocol Identifier */ |
| 367 | u8 mesh_pp_id[4]; |
| 368 | /* Active Path Selection Metric Identifier */ |
| 369 | u8 mesh_pm_id[4]; |
| 370 | /* Congestion Control Mode Identifier */ |
| 371 | u8 mesh_cc_id[4]; |
| 372 | /* Local mesh Destination Sequence Number */ |
| 373 | u32 dsn; |
| 374 | /* Last used PREQ ID */ |
| 375 | u32 preq_id; |
| 376 | atomic_t mpaths; |
| 377 | /* Timestamp of last DSN update */ |
| 378 | unsigned long last_dsn_update; |
| 379 | /* Timestamp of last DSN sent */ |
| 380 | unsigned long last_preq; |
| 381 | struct mesh_rmc *rmc; |
| 382 | spinlock_t mesh_preq_queue_lock; |
| 383 | struct mesh_preq_queue preq_queue; |
| 384 | int preq_queue_len; |
| 385 | struct mesh_stats mshstats; |
| 386 | struct mesh_config mshcfg; |
| 387 | u32 mesh_seqnum; |
| 388 | bool accepting_plinks; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 389 | }; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 390 | |
| 391 | #ifdef CONFIG_MAC80211_MESH |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 392 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
| 393 | do { (msh)->mshstats.name++; } while (0) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 394 | #else |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 395 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 396 | do { } while (0) |
| 397 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 398 | |
Johannes Berg | 213cd11 | 2008-09-11 00:01:54 +0200 | [diff] [blame] | 399 | /** |
| 400 | * enum ieee80211_sub_if_data_flags - virtual interface flags |
| 401 | * |
| 402 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets |
| 403 | * @IEEE80211_SDATA_PROMISC: interface is promisc |
| 404 | * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active |
| 405 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
| 406 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between |
| 407 | * associated stations and deliver multicast frames both |
| 408 | * back to wireless media and to the local net stack. |
| 409 | */ |
| 410 | enum ieee80211_sub_if_data_flags { |
| 411 | IEEE80211_SDATA_ALLMULTI = BIT(0), |
| 412 | IEEE80211_SDATA_PROMISC = BIT(1), |
| 413 | IEEE80211_SDATA_USERSPACE_MLME = BIT(2), |
| 414 | IEEE80211_SDATA_OPERATING_GMODE = BIT(3), |
| 415 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(4), |
| 416 | }; |
| 417 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 418 | struct ieee80211_sub_if_data { |
| 419 | struct list_head list; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 420 | |
| 421 | struct wireless_dev wdev; |
| 422 | |
Johannes Berg | 11a843b | 2007-08-28 17:01:55 -0400 | [diff] [blame] | 423 | /* keys */ |
| 424 | struct list_head key_list; |
| 425 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 426 | struct net_device *dev; |
| 427 | struct ieee80211_local *local; |
| 428 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 429 | unsigned int flags; |
Daniel Drake | 7e9ed18 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 430 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 431 | int drop_unencrypted; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 432 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 433 | /* Fragment table for host-based reassembly */ |
| 434 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; |
| 435 | unsigned int fragment_next; |
| 436 | |
| 437 | #define NUM_DEFAULT_KEYS 4 |
| 438 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; |
| 439 | struct ieee80211_key *default_key; |
| 440 | |
Johannes Berg | 9477828 | 2008-10-10 13:21:59 +0200 | [diff] [blame] | 441 | u16 sequence_number; |
| 442 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 443 | /* |
| 444 | * AP this belongs to: self in AP mode and |
| 445 | * corresponding AP in VLAN mode, NULL for |
| 446 | * all others (might be needed later in IBSS) |
| 447 | */ |
| 448 | struct ieee80211_if_ap *bss; |
| 449 | |
| 450 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ |
| 451 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 452 | |
| 453 | union { |
| 454 | struct ieee80211_if_ap ap; |
| 455 | struct ieee80211_if_wds wds; |
| 456 | struct ieee80211_if_vlan vlan; |
| 457 | struct ieee80211_if_sta sta; |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 458 | #ifdef CONFIG_MAC80211_MESH |
| 459 | struct ieee80211_if_mesh mesh; |
| 460 | #endif |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 461 | u32 mntr_flags; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 462 | } u; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 463 | |
| 464 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 465 | struct dentry *debugfsdir; |
| 466 | union { |
| 467 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 468 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 469 | struct dentry *state; |
| 470 | struct dentry *bssid; |
| 471 | struct dentry *prev_bssid; |
| 472 | struct dentry *ssid_len; |
| 473 | struct dentry *aid; |
| 474 | struct dentry *ap_capab; |
| 475 | struct dentry *capab; |
| 476 | struct dentry *extra_ie_len; |
| 477 | struct dentry *auth_tries; |
| 478 | struct dentry *assoc_tries; |
| 479 | struct dentry *auth_algs; |
| 480 | struct dentry *auth_alg; |
| 481 | struct dentry *auth_transaction; |
| 482 | struct dentry *flags; |
Jouni Malinen | 93015f0 | 2008-08-25 11:57:06 +0300 | [diff] [blame] | 483 | struct dentry *force_unicast_rateidx; |
| 484 | struct dentry *max_ratectrl_rateidx; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 485 | } sta; |
| 486 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 487 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 488 | struct dentry *num_sta_ps; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 489 | struct dentry *dtim_count; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 490 | struct dentry *force_unicast_rateidx; |
| 491 | struct dentry *max_ratectrl_rateidx; |
| 492 | struct dentry *num_buffered_multicast; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 493 | } ap; |
| 494 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 495 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 496 | struct dentry *peer; |
Jouni Malinen | 93015f0 | 2008-08-25 11:57:06 +0300 | [diff] [blame] | 497 | struct dentry *force_unicast_rateidx; |
| 498 | struct dentry *max_ratectrl_rateidx; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 499 | } wds; |
| 500 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 501 | struct dentry *drop_unencrypted; |
Jouni Malinen | 93015f0 | 2008-08-25 11:57:06 +0300 | [diff] [blame] | 502 | struct dentry *force_unicast_rateidx; |
| 503 | struct dentry *max_ratectrl_rateidx; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 504 | } vlan; |
| 505 | struct { |
| 506 | struct dentry *mode; |
| 507 | } monitor; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 508 | } debugfs; |
Jouni Malinen | 2b58b20 | 2008-08-28 15:12:06 +0300 | [diff] [blame] | 509 | struct { |
| 510 | struct dentry *default_key; |
| 511 | } common_debugfs; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 512 | |
| 513 | #ifdef CONFIG_MAC80211_MESH |
| 514 | struct dentry *mesh_stats_dir; |
| 515 | struct { |
| 516 | struct dentry *fwded_frames; |
| 517 | struct dentry *dropped_frames_ttl; |
| 518 | struct dentry *dropped_frames_no_route; |
| 519 | struct dentry *estab_plinks; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 520 | struct timer_list mesh_path_timer; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 521 | } mesh_stats; |
| 522 | |
| 523 | struct dentry *mesh_config_dir; |
| 524 | struct { |
| 525 | struct dentry *dot11MeshRetryTimeout; |
| 526 | struct dentry *dot11MeshConfirmTimeout; |
| 527 | struct dentry *dot11MeshHoldingTimeout; |
| 528 | struct dentry *dot11MeshMaxRetries; |
| 529 | struct dentry *dot11MeshTTL; |
| 530 | struct dentry *auto_open_plinks; |
| 531 | struct dentry *dot11MeshMaxPeerLinks; |
| 532 | struct dentry *dot11MeshHWMPactivePathTimeout; |
| 533 | struct dentry *dot11MeshHWMPpreqMinInterval; |
| 534 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; |
| 535 | struct dentry *dot11MeshHWMPmaxPREQretries; |
| 536 | struct dentry *path_refresh_time; |
| 537 | struct dentry *min_discovery_timeout; |
| 538 | } mesh_config; |
| 539 | #endif |
| 540 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 541 | #endif |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 542 | /* must be last, dynamically sized area in this! */ |
| 543 | struct ieee80211_vif vif; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 544 | }; |
| 545 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 546 | static inline |
| 547 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) |
| 548 | { |
| 549 | return container_of(p, struct ieee80211_sub_if_data, vif); |
| 550 | } |
| 551 | |
Johannes Berg | 472dbc4 | 2008-09-11 00:01:49 +0200 | [diff] [blame] | 552 | static inline void |
| 553 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, |
| 554 | u8 mesh_id_len, u8 *mesh_id) |
| 555 | { |
| 556 | #ifdef CONFIG_MAC80211_MESH |
| 557 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; |
| 558 | ifmsh->mesh_id_len = mesh_id_len; |
| 559 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); |
| 560 | #else |
| 561 | WARN_ON(1); |
| 562 | #endif |
| 563 | } |
| 564 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 565 | enum { |
| 566 | IEEE80211_RX_MSG = 1, |
| 567 | IEEE80211_TX_STATUS_MSG = 2, |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 568 | IEEE80211_DELBA_MSG = 3, |
| 569 | IEEE80211_ADDBA_MSG = 4, |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 570 | }; |
| 571 | |
David S. Miller | 51cb6db | 2008-07-15 03:34:57 -0700 | [diff] [blame] | 572 | /* maximum number of hardware queues we support. */ |
| 573 | #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES) |
| 574 | |
Johannes Berg | 133b822 | 2008-09-16 14:18:59 +0200 | [diff] [blame] | 575 | struct ieee80211_master_priv { |
| 576 | struct ieee80211_local *local; |
| 577 | }; |
| 578 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 579 | struct ieee80211_local { |
| 580 | /* embed the driver visible part. |
| 581 | * don't cast (use the static inlines below), but we keep |
| 582 | * it first anyway so they become a no-op */ |
| 583 | struct ieee80211_hw hw; |
| 584 | |
| 585 | const struct ieee80211_ops *ops; |
| 586 | |
David S. Miller | 51cb6db | 2008-07-15 03:34:57 -0700 | [diff] [blame] | 587 | unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)]; |
| 588 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 589 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 590 | int open_count; |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 591 | int monitors, cooked_mntrs; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 592 | /* number of interfaces with corresponding FIF_ flags */ |
| 593 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 594 | unsigned int filter_flags; /* FIF_* */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 595 | struct iw_statistics wstats; |
| 596 | u8 wstats_flags; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 597 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
Johannes Berg | b306f45 | 2007-07-10 19:32:08 +0200 | [diff] [blame] | 598 | int tx_headroom; /* required headroom for hardware/radiotap */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 599 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 600 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
| 601 | * added to skb_queue will be processed, but frames in |
| 602 | * skb_queue_unreliable may be dropped if the total length of these |
| 603 | * queues increases over the limit. */ |
| 604 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 |
| 605 | struct tasklet_struct tasklet; |
| 606 | struct sk_buff_head skb_queue; |
| 607 | struct sk_buff_head skb_queue_unreliable; |
| 608 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 609 | /* Station data */ |
| 610 | /* |
| 611 | * The lock only protects the list, hash, timer and counter |
| 612 | * against manipulation, reads are done in RCU. Additionally, |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 613 | * the lock protects each BSS's TIM bitmap. |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 614 | */ |
| 615 | spinlock_t sta_lock; |
| 616 | unsigned long num_sta; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 617 | struct list_head sta_list; |
Johannes Berg | dc6676b | 2008-03-31 19:23:03 +0200 | [diff] [blame] | 618 | struct list_head sta_flush_list; |
| 619 | struct work_struct sta_flush_work; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 620 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
| 621 | struct timer_list sta_cleanup; |
| 622 | |
Johannes Berg | e253008 | 2008-05-17 00:57:14 +0200 | [diff] [blame] | 623 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
Tomas Winkler | f8e79dd | 2008-07-24 18:46:44 +0300 | [diff] [blame] | 624 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
Johannes Berg | eefce91 | 2008-05-17 00:57:13 +0200 | [diff] [blame] | 625 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 626 | struct tasklet_struct tx_pending_tasklet; |
| 627 | |
Johannes Berg | 5391899 | 2007-09-26 15:19:47 +0200 | [diff] [blame] | 628 | /* number of interfaces with corresponding IFF_ flags */ |
| 629 | atomic_t iff_allmultis, iff_promiscs; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 630 | |
| 631 | struct rate_control_ref *rate_ctrl; |
| 632 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 633 | int rts_threshold; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 634 | int fragmentation_threshold; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 635 | |
| 636 | struct crypto_blkcipher *wep_tx_tfm; |
| 637 | struct crypto_blkcipher *wep_rx_tfm; |
| 638 | u32 wep_iv; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 639 | |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 640 | struct list_head interfaces; |
| 641 | |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 642 | /* |
| 643 | * Key lock, protects sdata's key_list and sta_info's |
| 644 | * key pointers (write access, they're RCU.) |
| 645 | */ |
| 646 | spinlock_t key_lock; |
| 647 | |
| 648 | |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 649 | /* Scanning and BSS list */ |
| 650 | bool sw_scanning, hw_scanning; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 651 | int scan_channel_idx; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 652 | enum ieee80211_band scan_band; |
| 653 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 654 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
| 655 | unsigned long last_scan_completed; |
| 656 | struct delayed_work scan_work; |
Johannes Berg | 491775a | 2008-09-08 17:44:23 +0200 | [diff] [blame] | 657 | struct ieee80211_sub_if_data *scan_sdata; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 658 | struct ieee80211_channel *oper_channel, *scan_channel; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 659 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
| 660 | size_t scan_ssid_len; |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 661 | struct list_head bss_list; |
| 662 | struct ieee80211_bss *bss_hash[STA_HASH_SIZE]; |
| 663 | spinlock_t bss_lock; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 664 | |
| 665 | /* SNMP counters */ |
| 666 | /* dot11CountersTable */ |
| 667 | u32 dot11TransmittedFragmentCount; |
| 668 | u32 dot11MulticastTransmittedFrameCount; |
| 669 | u32 dot11FailedCount; |
| 670 | u32 dot11RetryCount; |
| 671 | u32 dot11MultipleRetryCount; |
| 672 | u32 dot11FrameDuplicateCount; |
| 673 | u32 dot11ReceivedFragmentCount; |
| 674 | u32 dot11MulticastReceivedFrameCount; |
| 675 | u32 dot11TransmittedFrameCount; |
| 676 | u32 dot11WEPUndecryptableCount; |
| 677 | |
| 678 | #ifdef CONFIG_MAC80211_LEDS |
| 679 | int tx_led_counter, rx_led_counter; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 680 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
| 681 | char tx_led_name[32], rx_led_name[32], |
| 682 | assoc_led_name[32], radio_led_name[32]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 683 | #endif |
| 684 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 685 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 686 | struct work_struct sta_debugfs_add; |
| 687 | #endif |
| 688 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 689 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 690 | /* TX/RX handler statistics */ |
| 691 | unsigned int tx_handlers_drop; |
| 692 | unsigned int tx_handlers_queued; |
| 693 | unsigned int tx_handlers_drop_unencrypted; |
| 694 | unsigned int tx_handlers_drop_fragment; |
| 695 | unsigned int tx_handlers_drop_wep; |
| 696 | unsigned int tx_handlers_drop_not_assoc; |
| 697 | unsigned int tx_handlers_drop_unauth_port; |
| 698 | unsigned int rx_handlers_drop; |
| 699 | unsigned int rx_handlers_queued; |
| 700 | unsigned int rx_handlers_drop_nullfunc; |
| 701 | unsigned int rx_handlers_drop_defrag; |
| 702 | unsigned int rx_handlers_drop_short; |
| 703 | unsigned int rx_handlers_drop_passive_scan; |
| 704 | unsigned int tx_expand_skb_head; |
| 705 | unsigned int tx_expand_skb_head_cloned; |
| 706 | unsigned int rx_expand_skb_head; |
| 707 | unsigned int rx_expand_skb_head2; |
| 708 | unsigned int rx_handlers_fragments; |
| 709 | unsigned int tx_status_drop; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 710 | #define I802_DEBUG_INC(c) (c)++ |
| 711 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 712 | #define I802_DEBUG_INC(c) do { } while (0) |
| 713 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 714 | |
| 715 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 716 | int total_ps_buffered; /* total number of all buffered unicast and |
| 717 | * multicast packets for power saving stations |
| 718 | */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 719 | int wifi_wme_noack_test; |
| 720 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ |
| 721 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 722 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 723 | struct local_debugfsdentries { |
Johannes Berg | 4b7679a | 2008-09-18 18:14:18 +0200 | [diff] [blame] | 724 | struct dentry *rcdir; |
| 725 | struct dentry *rcname; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 726 | struct dentry *frequency; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 727 | struct dentry *rts_threshold; |
| 728 | struct dentry *fragmentation_threshold; |
| 729 | struct dentry *short_retry_limit; |
| 730 | struct dentry *long_retry_limit; |
| 731 | struct dentry *total_ps_buffered; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 732 | struct dentry *wep_iv; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 733 | struct dentry *statistics; |
| 734 | struct local_debugfsdentries_statsdentries { |
| 735 | struct dentry *transmitted_fragment_count; |
| 736 | struct dentry *multicast_transmitted_frame_count; |
| 737 | struct dentry *failed_count; |
| 738 | struct dentry *retry_count; |
| 739 | struct dentry *multiple_retry_count; |
| 740 | struct dentry *frame_duplicate_count; |
| 741 | struct dentry *received_fragment_count; |
| 742 | struct dentry *multicast_received_frame_count; |
| 743 | struct dentry *transmitted_frame_count; |
| 744 | struct dentry *wep_undecryptable_count; |
| 745 | struct dentry *num_scans; |
| 746 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 747 | struct dentry *tx_handlers_drop; |
| 748 | struct dentry *tx_handlers_queued; |
| 749 | struct dentry *tx_handlers_drop_unencrypted; |
| 750 | struct dentry *tx_handlers_drop_fragment; |
| 751 | struct dentry *tx_handlers_drop_wep; |
| 752 | struct dentry *tx_handlers_drop_not_assoc; |
| 753 | struct dentry *tx_handlers_drop_unauth_port; |
| 754 | struct dentry *rx_handlers_drop; |
| 755 | struct dentry *rx_handlers_queued; |
| 756 | struct dentry *rx_handlers_drop_nullfunc; |
| 757 | struct dentry *rx_handlers_drop_defrag; |
| 758 | struct dentry *rx_handlers_drop_short; |
| 759 | struct dentry *rx_handlers_drop_passive_scan; |
| 760 | struct dentry *tx_expand_skb_head; |
| 761 | struct dentry *tx_expand_skb_head_cloned; |
| 762 | struct dentry *rx_expand_skb_head; |
| 763 | struct dentry *rx_expand_skb_head2; |
| 764 | struct dentry *rx_handlers_fragments; |
| 765 | struct dentry *tx_status_drop; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 766 | #endif |
| 767 | struct dentry *dot11ACKFailureCount; |
| 768 | struct dentry *dot11RTSFailureCount; |
| 769 | struct dentry *dot11FCSErrorCount; |
| 770 | struct dentry *dot11RTSSuccessCount; |
| 771 | } stats; |
| 772 | struct dentry *stations; |
| 773 | struct dentry *keys; |
| 774 | } debugfs; |
| 775 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 776 | }; |
| 777 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 778 | static inline struct ieee80211_sub_if_data * |
| 779 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) |
| 780 | { |
| 781 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 782 | |
| 783 | BUG_ON(!local || local->mdev == dev); |
| 784 | |
| 785 | return netdev_priv(dev); |
| 786 | } |
| 787 | |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 788 | /* this struct represents 802.11n's RA/TID combination */ |
| 789 | struct ieee80211_ra_tid { |
| 790 | u8 ra[ETH_ALEN]; |
| 791 | u16 tid; |
| 792 | }; |
| 793 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 794 | /* Parsed Information Elements */ |
| 795 | struct ieee802_11_elems { |
Jouni Malinen | 43ac2ca | 2008-08-15 22:21:27 +0300 | [diff] [blame] | 796 | u8 *ie_start; |
| 797 | size_t total_len; |
| 798 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 799 | /* pointers to IEs */ |
| 800 | u8 *ssid; |
| 801 | u8 *supp_rates; |
| 802 | u8 *fh_params; |
| 803 | u8 *ds_params; |
| 804 | u8 *cf_params; |
| 805 | u8 *tim; |
| 806 | u8 *ibss_params; |
| 807 | u8 *challenge; |
| 808 | u8 *wpa; |
| 809 | u8 *rsn; |
| 810 | u8 *erp_info; |
| 811 | u8 *ext_supp_rates; |
| 812 | u8 *wmm_info; |
| 813 | u8 *wmm_param; |
Johannes Berg | 0991481 | 2008-10-07 19:31:17 +0200 | [diff] [blame] | 814 | struct ieee80211_ht_cap *ht_cap_elem; |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 815 | struct ieee80211_ht_info *ht_info_elem; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 816 | u8 *mesh_config; |
| 817 | u8 *mesh_id; |
| 818 | u8 *peer_link; |
| 819 | u8 *preq; |
| 820 | u8 *prep; |
| 821 | u8 *perr; |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 822 | u8 *ch_switch_elem; |
| 823 | u8 *country_elem; |
| 824 | u8 *pwr_constr_elem; |
| 825 | u8 *quiet_elem; /* first quite element */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 826 | |
| 827 | /* length of them, respectively */ |
| 828 | u8 ssid_len; |
| 829 | u8 supp_rates_len; |
| 830 | u8 fh_params_len; |
| 831 | u8 ds_params_len; |
| 832 | u8 cf_params_len; |
| 833 | u8 tim_len; |
| 834 | u8 ibss_params_len; |
| 835 | u8 challenge_len; |
| 836 | u8 wpa_len; |
| 837 | u8 rsn_len; |
| 838 | u8 erp_info_len; |
| 839 | u8 ext_supp_rates_len; |
| 840 | u8 wmm_info_len; |
| 841 | u8 wmm_param_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 842 | u8 mesh_config_len; |
| 843 | u8 mesh_id_len; |
| 844 | u8 peer_link_len; |
| 845 | u8 preq_len; |
| 846 | u8 prep_len; |
| 847 | u8 perr_len; |
Assaf Krauss | f2df385 | 2008-06-15 18:23:29 +0300 | [diff] [blame] | 848 | u8 ch_switch_elem_len; |
| 849 | u8 country_elem_len; |
| 850 | u8 pwr_constr_elem_len; |
| 851 | u8 quiet_elem_len; |
| 852 | u8 num_of_quiet_elem; /* can be more the one */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 853 | }; |
| 854 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 855 | static inline struct ieee80211_local *hw_to_local( |
| 856 | struct ieee80211_hw *hw) |
| 857 | { |
| 858 | return container_of(hw, struct ieee80211_local, hw); |
| 859 | } |
| 860 | |
| 861 | static inline struct ieee80211_hw *local_to_hw( |
| 862 | struct ieee80211_local *local) |
| 863 | { |
| 864 | return &local->hw; |
| 865 | } |
| 866 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 867 | |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 868 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
| 869 | { |
| 870 | return compare_ether_addr(raddr, addr) == 0 || |
| 871 | is_broadcast_ether_addr(raddr); |
| 872 | } |
| 873 | |
| 874 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 875 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 876 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 877 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 878 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
| 879 | u32 changed); |
Johannes Berg | 0d143fe | 2008-09-11 00:01:59 +0200 | [diff] [blame] | 880 | void ieee80211_configure_filter(struct ieee80211_local *local); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 881 | |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 882 | /* wireless extensions */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 883 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
David S. Miller | 65b53e4 | 2008-06-10 02:22:26 -0700 | [diff] [blame] | 884 | |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 885 | /* STA/IBSS code */ |
| 886 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 887 | void ieee80211_scan_work(struct work_struct *work); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 888 | void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 889 | struct ieee80211_rx_status *rx_status); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 890 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
| 891 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); |
| 892 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 893 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata, |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 894 | struct ieee80211_if_sta *ifsta); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 895 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
| 896 | struct sk_buff *skb, u8 *bssid, |
| 897 | u8 *addr, u64 supp_rates); |
| 898 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
| 899 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); |
| 900 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
| 901 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
| 902 | struct ieee802_11_elems *elems, |
| 903 | enum ieee80211_band band); |
| 904 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
| 905 | u8 *ssid, size_t ssid_len); |
| 906 | |
| 907 | /* scan/BSS handling */ |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 908 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
| 909 | u8 *ssid, size_t ssid_len); |
| 910 | int ieee80211_scan_results(struct ieee80211_local *local, |
| 911 | struct iw_request_info *info, |
| 912 | char *buf, size_t len); |
| 913 | ieee80211_rx_result |
| 914 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, |
| 915 | struct sk_buff *skb, |
| 916 | struct ieee80211_rx_status *rx_status); |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 917 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); |
| 918 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 919 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, |
| 920 | char *ie, size_t len); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 921 | |
Johannes Berg | 0a51b27 | 2008-09-08 17:44:25 +0200 | [diff] [blame] | 922 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 923 | int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata, |
| 924 | u8 *ssid, size_t ssid_len); |
| 925 | struct ieee80211_bss * |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 926 | ieee80211_bss_info_update(struct ieee80211_local *local, |
| 927 | struct ieee80211_rx_status *rx_status, |
| 928 | struct ieee80211_mgmt *mgmt, |
| 929 | size_t len, |
| 930 | struct ieee802_11_elems *elems, |
| 931 | int freq, bool beacon); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 932 | struct ieee80211_bss * |
Johannes Berg | 5484e23 | 2008-09-08 17:44:27 +0200 | [diff] [blame] | 933 | ieee80211_rx_bss_add(struct ieee80211_local *local, u8 *bssid, int freq, |
| 934 | u8 *ssid, u8 ssid_len); |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 935 | struct ieee80211_bss * |
Johannes Berg | 5484e23 | 2008-09-08 17:44:27 +0200 | [diff] [blame] | 936 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
| 937 | u8 *ssid, u8 ssid_len); |
Johannes Berg | 98c8fcc | 2008-09-08 17:44:26 +0200 | [diff] [blame] | 938 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
Johannes Berg | c2b1345 | 2008-09-11 00:01:55 +0200 | [diff] [blame] | 939 | struct ieee80211_bss *bss); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 940 | |
Johannes Berg | 3e122be | 2008-07-09 14:40:34 +0200 | [diff] [blame] | 941 | /* interface handling */ |
| 942 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 943 | struct net_device **new_dev, enum nl80211_iftype type, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 944 | struct vif_params *params); |
Johannes Berg | f3947e2 | 2008-07-09 14:40:36 +0200 | [diff] [blame] | 945 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 946 | enum nl80211_iftype type); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 947 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | 7563652 | 2008-07-09 14:40:35 +0200 | [diff] [blame] | 948 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 949 | |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 950 | /* tx handling */ |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 951 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
| 952 | void ieee80211_tx_pending(unsigned long data); |
| 953 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 954 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 955 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 956 | |
Johannes Berg | de1ede7a | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 957 | /* HT */ |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 958 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
| 959 | struct ieee80211_ht_cap *ht_cap_ie, |
Johannes Berg | d9fe60d | 2008-10-09 12:13:49 +0200 | [diff] [blame] | 960 | struct ieee80211_sta_ht_cap *ht_cap); |
Johannes Berg | ae5eb02 | 2008-10-14 16:58:37 +0200 | [diff] [blame] | 961 | u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, |
| 962 | struct ieee80211_ht_info *hti, |
| 963 | u16 ap_ht_cap_flags); |
Johannes Berg | de1ede7a | 2008-09-09 14:42:50 +0200 | [diff] [blame] | 964 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
| 965 | |
| 966 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, |
| 967 | u16 tid, u16 initiator, u16 reason); |
| 968 | void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr); |
| 969 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
| 970 | struct sta_info *sta, |
| 971 | struct ieee80211_mgmt *mgmt, size_t len); |
| 972 | void ieee80211_process_addba_resp(struct ieee80211_local *local, |
| 973 | struct sta_info *sta, |
| 974 | struct ieee80211_mgmt *mgmt, |
| 975 | size_t len); |
| 976 | void ieee80211_process_addba_request(struct ieee80211_local *local, |
| 977 | struct sta_info *sta, |
| 978 | struct ieee80211_mgmt *mgmt, |
| 979 | size_t len); |
| 980 | |
Johannes Berg | 39192c0 | 2008-09-09 14:49:03 +0200 | [diff] [blame] | 981 | /* Spectrum management */ |
| 982 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, |
| 983 | struct ieee80211_mgmt *mgmt, |
| 984 | size_t len); |
| 985 | |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 986 | /* utility functions/constants */ |
| 987 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ |
| 988 | extern const unsigned char rfc1042_header[6]; |
| 989 | extern const unsigned char bridge_tunnel_header[6]; |
Ron Rindjunsky | 7136471 | 2007-12-25 17:00:36 +0200 | [diff] [blame] | 990 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 991 | enum nl80211_iftype type); |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 992 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
| 993 | int rate, int erp, int short_preamble); |
Jasper Bryant-Greene | f698d85 | 2008-08-03 12:04:37 +1200 | [diff] [blame] | 994 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
Johannes Berg | eb063c1 | 2007-08-28 17:01:53 -0400 | [diff] [blame] | 995 | struct ieee80211_hdr *hdr); |
Johannes Berg | 5825fe1 | 2008-09-09 12:56:01 +0200 | [diff] [blame] | 996 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
Johannes Berg | e50db65 | 2008-09-09 15:07:09 +0200 | [diff] [blame] | 997 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
| 998 | int encrypt); |
Johannes Berg | 9c6bd79 | 2008-09-11 00:01:52 +0200 | [diff] [blame] | 999 | void ieee802_11_parse_elems(u8 *start, size_t len, |
| 1000 | struct ieee802_11_elems *elems); |
Johannes Berg | e16751c | 2008-09-11 00:01:53 +0200 | [diff] [blame] | 1001 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
Johannes Berg | 96dd22a | 2008-09-11 00:01:57 +0200 | [diff] [blame] | 1002 | u64 ieee80211_mandatory_rates(struct ieee80211_local *local, |
| 1003 | enum ieee80211_band band); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1004 | |
Johannes Berg | f4ea83d | 2008-06-30 15:10:46 +0200 | [diff] [blame] | 1005 | #ifdef CONFIG_MAC80211_NOINLINE |
Johannes Berg | d9e8a70 | 2008-06-30 15:10:44 +0200 | [diff] [blame] | 1006 | #define debug_noinline noinline |
| 1007 | #else |
| 1008 | #define debug_noinline |
| 1009 | #endif |
| 1010 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1011 | #endif /* IEEE80211_I_H */ |