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> |
Johannes Berg | 2c8dccc | 2008-04-08 15:14:40 -0400 | [diff] [blame] | 27 | #include "key.h" |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 28 | #include "sta_info.h" |
| 29 | |
| 30 | /* ieee80211.o internal definitions, etc. These are not included into |
| 31 | * low-level drivers. */ |
| 32 | |
| 33 | #ifndef ETH_P_PAE |
| 34 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ |
| 35 | #endif /* ETH_P_PAE */ |
| 36 | |
| 37 | #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) |
| 38 | |
Johannes Berg | 9cfb000 | 2008-04-03 15:17:31 +0200 | [diff] [blame] | 39 | #define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype) |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 40 | |
Johannes Berg | 9cfb000 | 2008-04-03 15:17:31 +0200 | [diff] [blame] | 41 | struct ieee80211_local; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 42 | |
| 43 | /* Maximum number of broadcast/multicast frames to buffer when some of the |
| 44 | * associated stations are using power saving. */ |
| 45 | #define AP_MAX_BC_BUFFER 128 |
| 46 | |
| 47 | /* Maximum number of frames buffered to all STAs, including multicast frames. |
| 48 | * Note: increasing this limit increases the potential memory requirement. Each |
| 49 | * frame can be up to about 2 kB long. */ |
| 50 | #define TOTAL_MAX_TX_BUFFER 512 |
| 51 | |
| 52 | /* Required encryption head and tailroom */ |
| 53 | #define IEEE80211_ENCRYPT_HEADROOM 8 |
| 54 | #define IEEE80211_ENCRYPT_TAILROOM 12 |
| 55 | |
| 56 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent |
| 57 | * reception of at least three fragmented frames. This limit can be increased |
| 58 | * by changing this define, at the cost of slower frame reassembly and |
| 59 | * increased memory use (about 2 kB of RAM per entry). */ |
| 60 | #define IEEE80211_FRAGMENT_MAX 4 |
| 61 | |
| 62 | struct ieee80211_fragment_entry { |
| 63 | unsigned long first_frag_time; |
| 64 | unsigned int seq; |
| 65 | unsigned int rx_queue; |
| 66 | unsigned int last_frag; |
| 67 | unsigned int extra_len; |
| 68 | struct sk_buff_head skb_list; |
| 69 | int ccmp; /* Whether fragments were encrypted with CCMP */ |
| 70 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 71 | }; |
| 72 | |
| 73 | |
| 74 | struct ieee80211_sta_bss { |
| 75 | struct list_head list; |
| 76 | struct ieee80211_sta_bss *hnext; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 77 | size_t ssid_len; |
| 78 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 79 | atomic_t users; |
| 80 | |
| 81 | u8 bssid[ETH_ALEN]; |
| 82 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 83 | u16 capability; /* host byte order */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 84 | enum ieee80211_band band; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 85 | int freq; |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 86 | int signal, noise, qual; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 87 | u8 *wpa_ie; |
| 88 | size_t wpa_ie_len; |
| 89 | u8 *rsn_ie; |
| 90 | size_t rsn_ie_len; |
| 91 | u8 *wmm_ie; |
| 92 | size_t wmm_ie_len; |
Ron Rindjunsky | c715350 | 2007-11-26 16:14:31 +0200 | [diff] [blame] | 93 | u8 *ht_ie; |
| 94 | size_t ht_ie_len; |
Emmanuel Grumbach | 9306102 | 2008-05-29 16:35:23 +0800 | [diff] [blame] | 95 | u8 *ht_add_ie; |
| 96 | size_t ht_add_ie_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 97 | #ifdef CONFIG_MAC80211_MESH |
| 98 | u8 *mesh_id; |
| 99 | size_t mesh_id_len; |
John W. Linville | 2473670 | 2008-04-08 14:15:46 -0400 | [diff] [blame] | 100 | u8 *mesh_cfg; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 101 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 102 | #define IEEE80211_MAX_SUPP_RATES 32 |
| 103 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; |
| 104 | size_t supp_rates_len; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 105 | u64 timestamp; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 106 | int beacon_int; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 107 | |
Johannes Berg | 30b89b0 | 2008-04-16 17:43:20 +0200 | [diff] [blame] | 108 | bool probe_resp; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 109 | unsigned long last_update; |
| 110 | |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 111 | /* during assocation, we save an ERP value from a probe response so |
| 112 | * that we can feed ERP info to the driver when handling the |
| 113 | * association completes. these fields probably won't be up-to-date |
| 114 | * otherwise, you probably don't want to use them. */ |
| 115 | int has_erp_value; |
| 116 | u8 erp_value; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 117 | }; |
| 118 | |
John W. Linville | 2473670 | 2008-04-08 14:15:46 -0400 | [diff] [blame] | 119 | static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 120 | { |
| 121 | #ifdef CONFIG_MAC80211_MESH |
| 122 | return bss->mesh_cfg; |
| 123 | #endif |
| 124 | return NULL; |
| 125 | } |
| 126 | |
| 127 | static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) |
| 128 | { |
| 129 | #ifdef CONFIG_MAC80211_MESH |
| 130 | return bss->mesh_id; |
| 131 | #endif |
| 132 | return NULL; |
| 133 | } |
| 134 | |
| 135 | static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) |
| 136 | { |
| 137 | #ifdef CONFIG_MAC80211_MESH |
| 138 | return bss->mesh_id_len; |
| 139 | #endif |
| 140 | return 0; |
| 141 | } |
| 142 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 143 | |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 144 | typedef unsigned __bitwise__ ieee80211_tx_result; |
| 145 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) |
| 146 | #define TX_DROP ((__force ieee80211_tx_result) 1u) |
| 147 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) |
| 148 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 149 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
| 150 | #define IEEE80211_TX_UNICAST BIT(1) |
| 151 | #define IEEE80211_TX_PS_BUFFERED BIT(2) |
| 152 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 153 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 154 | struct ieee80211_tx_data { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 155 | struct sk_buff *skb; |
| 156 | struct net_device *dev; |
| 157 | struct ieee80211_local *local; |
| 158 | struct ieee80211_sub_if_data *sdata; |
| 159 | struct sta_info *sta; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 160 | struct ieee80211_key *key; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 161 | |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 162 | struct ieee80211_channel *channel; |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 163 | s8 rate_idx; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 164 | /* use this rate (if set) for last fragment; rate can |
| 165 | * be set to lower rate for the first fragments, e.g., |
| 166 | * when using CTS protection with IEEE 802.11g. */ |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 167 | s8 last_frag_rate_idx; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 168 | |
| 169 | /* Extra fragments (in addition to the first fragment |
| 170 | * in skb) */ |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 171 | struct sk_buff **extra_frag; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 172 | int num_extra_frag; |
| 173 | |
| 174 | u16 fc, ethertype; |
| 175 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 176 | }; |
| 177 | |
| 178 | |
| 179 | typedef unsigned __bitwise__ ieee80211_rx_result; |
| 180 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
| 181 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) |
| 182 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) |
| 183 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) |
| 184 | |
| 185 | #define IEEE80211_RX_IN_SCAN BIT(0) |
| 186 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
| 187 | #define IEEE80211_RX_RA_MATCH BIT(1) |
| 188 | #define IEEE80211_RX_AMSDU BIT(2) |
| 189 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) |
| 190 | #define IEEE80211_RX_FRAGMENTED BIT(4) |
| 191 | |
| 192 | struct ieee80211_rx_data { |
| 193 | struct sk_buff *skb; |
| 194 | struct net_device *dev; |
| 195 | struct ieee80211_local *local; |
| 196 | struct ieee80211_sub_if_data *sdata; |
| 197 | struct sta_info *sta; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 198 | struct ieee80211_key *key; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 199 | struct ieee80211_rx_status *status; |
| 200 | struct ieee80211_rate *rate; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 201 | |
| 202 | u16 fc, ethertype; |
| 203 | unsigned int flags; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 204 | int sent_ps_buffered; |
| 205 | int queue; |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 206 | u32 tkip_iv32; |
| 207 | u16 tkip_iv16; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 208 | }; |
| 209 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 210 | struct ieee80211_tx_stored_packet { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 211 | struct sk_buff *skb; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 212 | struct sk_buff **extra_frag; |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 213 | s8 last_frag_rate_idx; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 214 | int num_extra_frag; |
Johannes Berg | 2e92e6f | 2008-05-15 12:55:27 +0200 | [diff] [blame] | 215 | bool last_frag_rate_ctrl_probe; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 216 | }; |
| 217 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 218 | struct beacon_data { |
| 219 | u8 *head, *tail; |
| 220 | int head_len, tail_len; |
| 221 | int dtim_period; |
| 222 | }; |
| 223 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 224 | struct ieee80211_if_ap { |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 225 | struct beacon_data *beacon; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 226 | |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 227 | struct list_head vlans; |
| 228 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 229 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 230 | size_t ssid_len; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 231 | |
| 232 | /* yes, this looks ugly, but guarantees that we can later use |
| 233 | * bitmap_empty :) |
Johannes Berg | 004c872 | 2008-02-20 11:21:35 +0100 | [diff] [blame] | 234 | * 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] | 235 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 236 | struct sk_buff_head ps_bc_buf; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 237 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 238 | int dtim_count; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 239 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ |
| 240 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ |
| 241 | int num_beacons; /* number of TXed beacon frames for this BSS */ |
| 242 | }; |
| 243 | |
| 244 | struct ieee80211_if_wds { |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 245 | struct sta_info *sta; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 246 | u8 remote_addr[ETH_ALEN]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 247 | }; |
| 248 | |
| 249 | struct ieee80211_if_vlan { |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 250 | struct ieee80211_sub_if_data *ap; |
| 251 | struct list_head list; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 252 | }; |
| 253 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 254 | struct mesh_stats { |
| 255 | __u32 fwded_frames; /* Mesh forwarded frames */ |
| 256 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
| 257 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ |
| 258 | atomic_t estab_plinks; |
| 259 | }; |
| 260 | |
| 261 | #define PREQ_Q_F_START 0x1 |
| 262 | #define PREQ_Q_F_REFRESH 0x2 |
| 263 | struct mesh_preq_queue { |
| 264 | struct list_head list; |
| 265 | u8 dst[ETH_ALEN]; |
| 266 | u8 flags; |
| 267 | }; |
| 268 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 269 | struct mesh_config { |
| 270 | /* Timeouts in ms */ |
| 271 | /* Mesh plink management parameters */ |
| 272 | u16 dot11MeshRetryTimeout; |
| 273 | u16 dot11MeshConfirmTimeout; |
| 274 | u16 dot11MeshHoldingTimeout; |
| 275 | u16 dot11MeshMaxPeerLinks; |
| 276 | u8 dot11MeshMaxRetries; |
| 277 | u8 dot11MeshTTL; |
| 278 | bool auto_open_plinks; |
| 279 | /* HWMP parameters */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 280 | u8 dot11MeshHWMPmaxPREQretries; |
| 281 | u32 path_refresh_time; |
| 282 | u16 min_discovery_timeout; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 283 | u32 dot11MeshHWMPactivePathTimeout; |
| 284 | u16 dot11MeshHWMPpreqMinInterval; |
| 285 | u16 dot11MeshHWMPnetDiameterTraversalTime; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 286 | }; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 287 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 288 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 289 | /* flags used in struct ieee80211_if_sta.flags */ |
| 290 | #define IEEE80211_STA_SSID_SET BIT(0) |
| 291 | #define IEEE80211_STA_BSSID_SET BIT(1) |
| 292 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) |
| 293 | #define IEEE80211_STA_AUTHENTICATED BIT(3) |
| 294 | #define IEEE80211_STA_ASSOCIATED BIT(4) |
| 295 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) |
| 296 | #define IEEE80211_STA_CREATE_IBSS BIT(6) |
| 297 | #define IEEE80211_STA_MIXED_CELL BIT(7) |
| 298 | #define IEEE80211_STA_WMM_ENABLED BIT(8) |
| 299 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) |
| 300 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) |
| 301 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) |
Johannes Berg | 5b98b1f | 2007-11-03 13:11:10 +0000 | [diff] [blame] | 302 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 303 | struct ieee80211_if_sta { |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 304 | struct timer_list timer; |
| 305 | struct work_struct work; |
| 306 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
| 307 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 308 | enum { |
| 309 | IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, |
| 310 | IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 311 | IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, |
| 312 | IEEE80211_MESH_UP |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 313 | } state; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 314 | size_t ssid_len; |
Helmut Schaa | a0af5f1 | 2007-11-09 16:25:08 +0100 | [diff] [blame] | 315 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
| 316 | size_t scan_ssid_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 317 | #ifdef CONFIG_MAC80211_MESH |
| 318 | struct timer_list mesh_path_timer; |
| 319 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 320 | size_t mesh_id_len; |
| 321 | /* Active Path Selection Protocol Identifier */ |
| 322 | u8 mesh_pp_id[4]; |
| 323 | /* Active Path Selection Metric Identifier */ |
| 324 | u8 mesh_pm_id[4]; |
| 325 | /* Congestion Control Mode Identifier */ |
| 326 | u8 mesh_cc_id[4]; |
| 327 | /* Local mesh Destination Sequence Number */ |
| 328 | u32 dsn; |
| 329 | /* Last used PREQ ID */ |
| 330 | u32 preq_id; |
| 331 | atomic_t mpaths; |
| 332 | /* Timestamp of last DSN update */ |
| 333 | unsigned long last_dsn_update; |
| 334 | /* Timestamp of last DSN sent */ |
| 335 | unsigned long last_preq; |
| 336 | struct mesh_rmc *rmc; |
| 337 | spinlock_t mesh_preq_queue_lock; |
| 338 | struct mesh_preq_queue preq_queue; |
| 339 | int preq_queue_len; |
| 340 | struct mesh_stats mshstats; |
| 341 | struct mesh_config mshcfg; |
Luis Carlos Cobo | 51cedda | 2008-04-23 12:15:29 -0700 | [diff] [blame] | 342 | u32 mesh_seqnum; |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 343 | bool accepting_plinks; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 344 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 345 | u16 aid; |
| 346 | u16 ap_capab, capab; |
| 347 | u8 *extra_ie; /* to be added to the end of AssocReq */ |
| 348 | size_t extra_ie_len; |
| 349 | |
| 350 | /* The last AssocReq/Resp IEs */ |
| 351 | u8 *assocreq_ies, *assocresp_ies; |
| 352 | size_t assocreq_ies_len, assocresp_ies_len; |
| 353 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 354 | struct sk_buff_head skb_queue; |
| 355 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 356 | int auth_tries, assoc_tries; |
| 357 | |
Johannes Berg | 056cdd5 | 2008-03-26 23:21:47 +0100 | [diff] [blame] | 358 | unsigned long request; |
| 359 | |
| 360 | unsigned long last_probe; |
| 361 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 362 | unsigned int flags; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 363 | #define IEEE80211_STA_REQ_SCAN 0 |
| 364 | #define IEEE80211_STA_REQ_AUTH 1 |
| 365 | #define IEEE80211_STA_REQ_RUN 2 |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 366 | |
| 367 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) |
| 368 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) |
| 369 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) |
| 370 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
| 371 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ |
| 372 | int auth_transaction; |
| 373 | |
| 374 | unsigned long ibss_join_req; |
| 375 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 376 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 377 | |
| 378 | int wmm_last_param_set; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 379 | int num_beacons; /* number of TXed beacon frames by this STA */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 380 | }; |
| 381 | |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 382 | static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, |
| 383 | u8 mesh_id_len, u8 *mesh_id) |
| 384 | { |
| 385 | #ifdef CONFIG_MAC80211_MESH |
| 386 | ifsta->mesh_id_len = mesh_id_len; |
| 387 | memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); |
| 388 | #endif |
| 389 | } |
| 390 | |
| 391 | #ifdef CONFIG_MAC80211_MESH |
| 392 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ |
| 393 | do { (sta)->mshstats.name++; } while (0) |
| 394 | #else |
| 395 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ |
| 396 | do { } while (0) |
| 397 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 398 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 399 | /* flags used in struct ieee80211_sub_if_data.flags */ |
| 400 | #define IEEE80211_SDATA_ALLMULTI BIT(0) |
| 401 | #define IEEE80211_SDATA_PROMISC BIT(1) |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 402 | #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 403 | #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 404 | struct ieee80211_sub_if_data { |
| 405 | struct list_head list; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 406 | |
| 407 | struct wireless_dev wdev; |
| 408 | |
Johannes Berg | 11a843b | 2007-08-28 17:01:55 -0400 | [diff] [blame] | 409 | /* keys */ |
| 410 | struct list_head key_list; |
| 411 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 412 | struct net_device *dev; |
| 413 | struct ieee80211_local *local; |
| 414 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 415 | unsigned int flags; |
Daniel Drake | 7e9ed18 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 416 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 417 | int drop_unencrypted; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 418 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 419 | /* |
| 420 | * basic rates of this AP or the AP we're associated to |
| 421 | */ |
| 422 | u64 basic_rates; |
| 423 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 424 | u16 sequence; |
| 425 | |
| 426 | /* Fragment table for host-based reassembly */ |
| 427 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; |
| 428 | unsigned int fragment_next; |
| 429 | |
| 430 | #define NUM_DEFAULT_KEYS 4 |
| 431 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; |
| 432 | struct ieee80211_key *default_key; |
| 433 | |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 434 | /* |
| 435 | * BSS configuration for this interface. |
| 436 | * |
| 437 | * FIXME: I feel bad putting this here when we already have a |
| 438 | * bss pointer, but the bss pointer is just wrong when |
| 439 | * you have multiple virtual STA mode interfaces... |
| 440 | * This needs to be fixed. |
| 441 | */ |
| 442 | struct ieee80211_bss_conf bss_conf; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 443 | struct ieee80211_if_ap *bss; /* BSS that this device belongs to */ |
| 444 | |
| 445 | union { |
| 446 | struct ieee80211_if_ap ap; |
| 447 | struct ieee80211_if_wds wds; |
| 448 | struct ieee80211_if_vlan vlan; |
| 449 | struct ieee80211_if_sta sta; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 450 | u32 mntr_flags; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 451 | } u; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 452 | |
| 453 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 454 | struct dentry *debugfsdir; |
| 455 | union { |
| 456 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 457 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 458 | struct dentry *state; |
| 459 | struct dentry *bssid; |
| 460 | struct dentry *prev_bssid; |
| 461 | struct dentry *ssid_len; |
| 462 | struct dentry *aid; |
| 463 | struct dentry *ap_capab; |
| 464 | struct dentry *capab; |
| 465 | struct dentry *extra_ie_len; |
| 466 | struct dentry *auth_tries; |
| 467 | struct dentry *assoc_tries; |
| 468 | struct dentry *auth_algs; |
| 469 | struct dentry *auth_alg; |
| 470 | struct dentry *auth_transaction; |
| 471 | struct dentry *flags; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 472 | struct dentry *num_beacons_sta; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 473 | } sta; |
| 474 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 475 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 476 | struct dentry *num_sta_ps; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 477 | struct dentry *dtim_count; |
| 478 | struct dentry *num_beacons; |
| 479 | struct dentry *force_unicast_rateidx; |
| 480 | struct dentry *max_ratectrl_rateidx; |
| 481 | struct dentry *num_buffered_multicast; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 482 | } ap; |
| 483 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 484 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 485 | struct dentry *peer; |
| 486 | } wds; |
| 487 | struct { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 488 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 489 | } vlan; |
| 490 | struct { |
| 491 | struct dentry *mode; |
| 492 | } monitor; |
| 493 | struct dentry *default_key; |
| 494 | } debugfs; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 495 | |
| 496 | #ifdef CONFIG_MAC80211_MESH |
| 497 | struct dentry *mesh_stats_dir; |
| 498 | struct { |
| 499 | struct dentry *fwded_frames; |
| 500 | struct dentry *dropped_frames_ttl; |
| 501 | struct dentry *dropped_frames_no_route; |
| 502 | struct dentry *estab_plinks; |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 503 | struct timer_list mesh_path_timer; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 504 | } mesh_stats; |
| 505 | |
| 506 | struct dentry *mesh_config_dir; |
| 507 | struct { |
| 508 | struct dentry *dot11MeshRetryTimeout; |
| 509 | struct dentry *dot11MeshConfirmTimeout; |
| 510 | struct dentry *dot11MeshHoldingTimeout; |
| 511 | struct dentry *dot11MeshMaxRetries; |
| 512 | struct dentry *dot11MeshTTL; |
| 513 | struct dentry *auto_open_plinks; |
| 514 | struct dentry *dot11MeshMaxPeerLinks; |
| 515 | struct dentry *dot11MeshHWMPactivePathTimeout; |
| 516 | struct dentry *dot11MeshHWMPpreqMinInterval; |
| 517 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; |
| 518 | struct dentry *dot11MeshHWMPmaxPREQretries; |
| 519 | struct dentry *path_refresh_time; |
| 520 | struct dentry *min_discovery_timeout; |
| 521 | } mesh_config; |
| 522 | #endif |
| 523 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 524 | #endif |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 525 | /* must be last, dynamically sized area in this! */ |
| 526 | struct ieee80211_vif vif; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 527 | }; |
| 528 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 529 | static inline |
| 530 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) |
| 531 | { |
| 532 | return container_of(p, struct ieee80211_sub_if_data, vif); |
| 533 | } |
| 534 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 535 | #define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) |
| 536 | |
| 537 | enum { |
| 538 | IEEE80211_RX_MSG = 1, |
| 539 | IEEE80211_TX_STATUS_MSG = 2, |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 540 | IEEE80211_DELBA_MSG = 3, |
| 541 | IEEE80211_ADDBA_MSG = 4, |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 542 | }; |
| 543 | |
| 544 | struct ieee80211_local { |
| 545 | /* embed the driver visible part. |
| 546 | * don't cast (use the static inlines below), but we keep |
| 547 | * it first anyway so they become a no-op */ |
| 548 | struct ieee80211_hw hw; |
| 549 | |
| 550 | const struct ieee80211_ops *ops; |
| 551 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 552 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 553 | int open_count; |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 554 | int monitors, cooked_mntrs; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 555 | /* number of interfaces with corresponding FIF_ flags */ |
| 556 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 557 | unsigned int filter_flags; /* FIF_* */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 558 | struct iw_statistics wstats; |
| 559 | u8 wstats_flags; |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 560 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
Johannes Berg | b306f45 | 2007-07-10 19:32:08 +0200 | [diff] [blame] | 561 | int tx_headroom; /* required headroom for hardware/radiotap */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 562 | |
| 563 | enum { |
| 564 | IEEE80211_DEV_UNINITIALIZED = 0, |
| 565 | IEEE80211_DEV_REGISTERED, |
| 566 | IEEE80211_DEV_UNREGISTERED, |
| 567 | } reg_state; |
| 568 | |
| 569 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
| 570 | * added to skb_queue will be processed, but frames in |
| 571 | * skb_queue_unreliable may be dropped if the total length of these |
| 572 | * queues increases over the limit. */ |
| 573 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 |
| 574 | struct tasklet_struct tasklet; |
| 575 | struct sk_buff_head skb_queue; |
| 576 | struct sk_buff_head skb_queue_unreliable; |
| 577 | |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 578 | /* Station data */ |
| 579 | /* |
| 580 | * The lock only protects the list, hash, timer and counter |
| 581 | * against manipulation, reads are done in RCU. Additionally, |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 582 | * the lock protects each BSS's TIM bitmap. |
Johannes Berg | d0709a6 | 2008-02-25 16:27:46 +0100 | [diff] [blame] | 583 | */ |
| 584 | spinlock_t sta_lock; |
| 585 | unsigned long num_sta; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 586 | struct list_head sta_list; |
Johannes Berg | dc6676b | 2008-03-31 19:23:03 +0200 | [diff] [blame] | 587 | struct list_head sta_flush_list; |
| 588 | struct work_struct sta_flush_work; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 589 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
| 590 | struct timer_list sta_cleanup; |
| 591 | |
Johannes Berg | e253008 | 2008-05-17 00:57:14 +0200 | [diff] [blame] | 592 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
Johannes Berg | eefce91 | 2008-05-17 00:57:13 +0200 | [diff] [blame] | 593 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 594 | struct tasklet_struct tx_pending_tasklet; |
| 595 | |
Johannes Berg | 5391899 | 2007-09-26 15:19:47 +0200 | [diff] [blame] | 596 | /* number of interfaces with corresponding IFF_ flags */ |
| 597 | atomic_t iff_allmultis, iff_promiscs; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 598 | |
| 599 | struct rate_control_ref *rate_ctrl; |
| 600 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 601 | int rts_threshold; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 602 | int fragmentation_threshold; |
| 603 | int short_retry_limit; /* dot11ShortRetryLimit */ |
| 604 | int long_retry_limit; /* dot11LongRetryLimit */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 605 | |
| 606 | struct crypto_blkcipher *wep_tx_tfm; |
| 607 | struct crypto_blkcipher *wep_rx_tfm; |
| 608 | u32 wep_iv; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 609 | |
| 610 | int bridge_packets; /* bridge packets between associated stations and |
| 611 | * deliver multicast frames both back to wireless |
| 612 | * media and to the local net stack */ |
| 613 | |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 614 | struct list_head interfaces; |
| 615 | |
Johannes Berg | b16bd15 | 2008-04-11 21:40:35 +0200 | [diff] [blame] | 616 | /* |
| 617 | * Key lock, protects sdata's key_list and sta_info's |
| 618 | * key pointers (write access, they're RCU.) |
| 619 | */ |
| 620 | spinlock_t key_lock; |
| 621 | |
| 622 | |
Zhu Yi | ece8edd | 2007-11-22 10:53:21 +0800 | [diff] [blame] | 623 | bool sta_sw_scanning; |
| 624 | bool sta_hw_scanning; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 625 | int scan_channel_idx; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 626 | enum ieee80211_band scan_band; |
| 627 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 628 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
| 629 | unsigned long last_scan_completed; |
| 630 | struct delayed_work scan_work; |
| 631 | struct net_device *scan_dev; |
| 632 | struct ieee80211_channel *oper_channel, *scan_channel; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 633 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
| 634 | size_t scan_ssid_len; |
| 635 | struct list_head sta_bss_list; |
| 636 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; |
| 637 | spinlock_t sta_bss_lock; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 638 | |
| 639 | /* SNMP counters */ |
| 640 | /* dot11CountersTable */ |
| 641 | u32 dot11TransmittedFragmentCount; |
| 642 | u32 dot11MulticastTransmittedFrameCount; |
| 643 | u32 dot11FailedCount; |
| 644 | u32 dot11RetryCount; |
| 645 | u32 dot11MultipleRetryCount; |
| 646 | u32 dot11FrameDuplicateCount; |
| 647 | u32 dot11ReceivedFragmentCount; |
| 648 | u32 dot11MulticastReceivedFrameCount; |
| 649 | u32 dot11TransmittedFrameCount; |
| 650 | u32 dot11WEPUndecryptableCount; |
| 651 | |
| 652 | #ifdef CONFIG_MAC80211_LEDS |
| 653 | int tx_led_counter, rx_led_counter; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 654 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
| 655 | char tx_led_name[32], rx_led_name[32], |
| 656 | assoc_led_name[32], radio_led_name[32]; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 657 | #endif |
| 658 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 659 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 660 | struct work_struct sta_debugfs_add; |
| 661 | #endif |
| 662 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 663 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 664 | /* TX/RX handler statistics */ |
| 665 | unsigned int tx_handlers_drop; |
| 666 | unsigned int tx_handlers_queued; |
| 667 | unsigned int tx_handlers_drop_unencrypted; |
| 668 | unsigned int tx_handlers_drop_fragment; |
| 669 | unsigned int tx_handlers_drop_wep; |
| 670 | unsigned int tx_handlers_drop_not_assoc; |
| 671 | unsigned int tx_handlers_drop_unauth_port; |
| 672 | unsigned int rx_handlers_drop; |
| 673 | unsigned int rx_handlers_queued; |
| 674 | unsigned int rx_handlers_drop_nullfunc; |
| 675 | unsigned int rx_handlers_drop_defrag; |
| 676 | unsigned int rx_handlers_drop_short; |
| 677 | unsigned int rx_handlers_drop_passive_scan; |
| 678 | unsigned int tx_expand_skb_head; |
| 679 | unsigned int tx_expand_skb_head_cloned; |
| 680 | unsigned int rx_expand_skb_head; |
| 681 | unsigned int rx_expand_skb_head2; |
| 682 | unsigned int rx_handlers_fragments; |
| 683 | unsigned int tx_status_drop; |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 684 | #define I802_DEBUG_INC(c) (c)++ |
| 685 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 686 | #define I802_DEBUG_INC(c) do { } while (0) |
| 687 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 688 | |
| 689 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 690 | int total_ps_buffered; /* total number of all buffered unicast and |
| 691 | * multicast packets for power saving stations |
| 692 | */ |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 693 | int wifi_wme_noack_test; |
| 694 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ |
| 695 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 696 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 697 | struct local_debugfsdentries { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 698 | struct dentry *frequency; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 699 | struct dentry *antenna_sel_tx; |
| 700 | struct dentry *antenna_sel_rx; |
| 701 | struct dentry *bridge_packets; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 702 | struct dentry *rts_threshold; |
| 703 | struct dentry *fragmentation_threshold; |
| 704 | struct dentry *short_retry_limit; |
| 705 | struct dentry *long_retry_limit; |
| 706 | struct dentry *total_ps_buffered; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 707 | struct dentry *wep_iv; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 708 | struct dentry *statistics; |
| 709 | struct local_debugfsdentries_statsdentries { |
| 710 | struct dentry *transmitted_fragment_count; |
| 711 | struct dentry *multicast_transmitted_frame_count; |
| 712 | struct dentry *failed_count; |
| 713 | struct dentry *retry_count; |
| 714 | struct dentry *multiple_retry_count; |
| 715 | struct dentry *frame_duplicate_count; |
| 716 | struct dentry *received_fragment_count; |
| 717 | struct dentry *multicast_received_frame_count; |
| 718 | struct dentry *transmitted_frame_count; |
| 719 | struct dentry *wep_undecryptable_count; |
| 720 | struct dentry *num_scans; |
| 721 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 722 | struct dentry *tx_handlers_drop; |
| 723 | struct dentry *tx_handlers_queued; |
| 724 | struct dentry *tx_handlers_drop_unencrypted; |
| 725 | struct dentry *tx_handlers_drop_fragment; |
| 726 | struct dentry *tx_handlers_drop_wep; |
| 727 | struct dentry *tx_handlers_drop_not_assoc; |
| 728 | struct dentry *tx_handlers_drop_unauth_port; |
| 729 | struct dentry *rx_handlers_drop; |
| 730 | struct dentry *rx_handlers_queued; |
| 731 | struct dentry *rx_handlers_drop_nullfunc; |
| 732 | struct dentry *rx_handlers_drop_defrag; |
| 733 | struct dentry *rx_handlers_drop_short; |
| 734 | struct dentry *rx_handlers_drop_passive_scan; |
| 735 | struct dentry *tx_expand_skb_head; |
| 736 | struct dentry *tx_expand_skb_head_cloned; |
| 737 | struct dentry *rx_expand_skb_head; |
| 738 | struct dentry *rx_expand_skb_head2; |
| 739 | struct dentry *rx_handlers_fragments; |
| 740 | struct dentry *tx_status_drop; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 741 | #endif |
| 742 | struct dentry *dot11ACKFailureCount; |
| 743 | struct dentry *dot11RTSFailureCount; |
| 744 | struct dentry *dot11FCSErrorCount; |
| 745 | struct dentry *dot11RTSSuccessCount; |
| 746 | } stats; |
| 747 | struct dentry *stations; |
| 748 | struct dentry *keys; |
| 749 | } debugfs; |
| 750 | #endif |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 751 | }; |
| 752 | |
Johannes Berg | e253008 | 2008-05-17 00:57:14 +0200 | [diff] [blame] | 753 | static inline int ieee80211_is_multiqueue(struct ieee80211_local *local) |
| 754 | { |
| 755 | #ifdef CONFIG_MAC80211_QOS |
| 756 | return netif_is_multiqueue(local->mdev); |
| 757 | #else |
| 758 | return 0; |
| 759 | #endif |
| 760 | } |
| 761 | |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 762 | /* this struct represents 802.11n's RA/TID combination */ |
| 763 | struct ieee80211_ra_tid { |
| 764 | u8 ra[ETH_ALEN]; |
| 765 | u16 tid; |
| 766 | }; |
| 767 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 768 | /* Parsed Information Elements */ |
| 769 | struct ieee802_11_elems { |
| 770 | /* pointers to IEs */ |
| 771 | u8 *ssid; |
| 772 | u8 *supp_rates; |
| 773 | u8 *fh_params; |
| 774 | u8 *ds_params; |
| 775 | u8 *cf_params; |
| 776 | u8 *tim; |
| 777 | u8 *ibss_params; |
| 778 | u8 *challenge; |
| 779 | u8 *wpa; |
| 780 | u8 *rsn; |
| 781 | u8 *erp_info; |
| 782 | u8 *ext_supp_rates; |
| 783 | u8 *wmm_info; |
| 784 | u8 *wmm_param; |
| 785 | u8 *ht_cap_elem; |
| 786 | u8 *ht_info_elem; |
| 787 | u8 *mesh_config; |
| 788 | u8 *mesh_id; |
| 789 | u8 *peer_link; |
| 790 | u8 *preq; |
| 791 | u8 *prep; |
| 792 | u8 *perr; |
| 793 | |
| 794 | /* length of them, respectively */ |
| 795 | u8 ssid_len; |
| 796 | u8 supp_rates_len; |
| 797 | u8 fh_params_len; |
| 798 | u8 ds_params_len; |
| 799 | u8 cf_params_len; |
| 800 | u8 tim_len; |
| 801 | u8 ibss_params_len; |
| 802 | u8 challenge_len; |
| 803 | u8 wpa_len; |
| 804 | u8 rsn_len; |
| 805 | u8 erp_info_len; |
| 806 | u8 ext_supp_rates_len; |
| 807 | u8 wmm_info_len; |
| 808 | u8 wmm_param_len; |
| 809 | u8 ht_cap_elem_len; |
| 810 | u8 ht_info_elem_len; |
| 811 | u8 mesh_config_len; |
| 812 | u8 mesh_id_len; |
| 813 | u8 peer_link_len; |
| 814 | u8 preq_len; |
| 815 | u8 prep_len; |
| 816 | u8 perr_len; |
| 817 | }; |
| 818 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 819 | static inline struct ieee80211_local *hw_to_local( |
| 820 | struct ieee80211_hw *hw) |
| 821 | { |
| 822 | return container_of(hw, struct ieee80211_local, hw); |
| 823 | } |
| 824 | |
| 825 | static inline struct ieee80211_hw *local_to_hw( |
| 826 | struct ieee80211_local *local) |
| 827 | { |
| 828 | return &local->hw; |
| 829 | } |
| 830 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 831 | struct sta_attribute { |
| 832 | struct attribute attr; |
| 833 | ssize_t (*show)(const struct sta_info *, char *buf); |
| 834 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); |
| 835 | }; |
| 836 | |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 837 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
| 838 | { |
| 839 | return compare_ether_addr(raddr, addr) == 0 || |
| 840 | is_broadcast_ether_addr(raddr); |
| 841 | } |
| 842 | |
| 843 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 844 | /* ieee80211.c */ |
| 845 | int ieee80211_hw_config(struct ieee80211_local *local); |
| 846 | int ieee80211_if_config(struct net_device *dev); |
| 847 | int ieee80211_if_config_beacon(struct net_device *dev); |
Johannes Berg | 5cf121c | 2008-02-25 16:27:43 +0100 | [diff] [blame] | 848 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 849 | void ieee80211_if_setup(struct net_device *dev); |
Tomas Winkler | 38668c0 | 2008-03-28 16:33:32 -0700 | [diff] [blame] | 850 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
| 851 | struct ieee80211_ht_info *req_ht_cap, |
| 852 | struct ieee80211_ht_bss_info *req_bss_cap); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 853 | |
| 854 | /* ieee80211_ioctl.c */ |
| 855 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
| 856 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 857 | /* Least common multiple of the used rates (in 100 kbps). This is used to |
| 858 | * calculate rate_inv values for each rate so that only integers are needed. */ |
| 859 | #define CHAN_UTIL_RATE_LCM 95040 |
| 860 | /* 1 usec is 1/8 * (95040/10) = 1188 */ |
| 861 | #define CHAN_UTIL_PER_USEC 1188 |
| 862 | /* Amount of bits to shift the result right to scale the total utilization |
| 863 | * to values that will not wrap around 32-bit integers. */ |
| 864 | #define CHAN_UTIL_SHIFT 9 |
| 865 | /* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1): |
| 866 | * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the |
| 867 | * raw value with about 23 should give utilization in 10th of a percentage |
| 868 | * (1/1000). However, utilization is only estimated and not all intervals |
| 869 | * between frames etc. are calculated. 18 seems to give numbers that are closer |
| 870 | * to the real maximum. */ |
| 871 | #define CHAN_UTIL_PER_10MS 18 |
| 872 | #define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC) |
| 873 | #define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC) |
| 874 | |
| 875 | |
| 876 | /* ieee80211_ioctl.c */ |
Assaf Krauss | be038b3 | 2008-06-05 19:55:21 +0300 | [diff] [blame] | 877 | int ieee80211_set_freq(struct net_device *dev, int freq); |
David S. Miller | 65b53e4 | 2008-06-10 02:22:26 -0700 | [diff] [blame^] | 878 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 879 | /* ieee80211_sta.c */ |
| 880 | void ieee80211_sta_timer(unsigned long data); |
| 881 | void ieee80211_sta_work(struct work_struct *work); |
| 882 | void ieee80211_sta_scan_work(struct work_struct *work); |
| 883 | void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, |
| 884 | struct ieee80211_rx_status *rx_status); |
| 885 | int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); |
| 886 | int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); |
| 887 | int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); |
| 888 | int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); |
| 889 | void ieee80211_sta_req_auth(struct net_device *dev, |
| 890 | struct ieee80211_if_sta *ifsta); |
| 891 | int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 892 | ieee80211_rx_result ieee80211_sta_rx_scan( |
| 893 | struct net_device *dev, struct sk_buff *skb, |
| 894 | struct ieee80211_rx_status *rx_status); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 895 | void ieee80211_rx_bss_list_init(struct net_device *dev); |
| 896 | void ieee80211_rx_bss_list_deinit(struct net_device *dev); |
| 897 | int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); |
Johannes Berg | 988c0f7 | 2008-04-17 19:21:22 +0200 | [diff] [blame] | 898 | struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev, |
| 899 | struct sk_buff *skb, u8 *bssid, |
| 900 | u8 *addr); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 901 | int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); |
| 902 | int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 903 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
| 904 | u32 changed); |
Daniel Drake | d9430a3 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 905 | void ieee80211_reset_erp_info(struct net_device *dev); |
Ron Rindjunsky | c715350 | 2007-11-26 16:14:31 +0200 | [diff] [blame] | 906 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, |
| 907 | struct ieee80211_ht_info *ht_info); |
| 908 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( |
| 909 | struct ieee80211_ht_addt_info *ht_add_info_ie, |
| 910 | struct ieee80211_ht_bss_info *bss_info); |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 911 | void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, |
| 912 | u16 tid, u8 dialog_token, u16 start_seq_num, |
| 913 | u16 agg_size, u16 timeout); |
| 914 | void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, |
| 915 | u16 initiator, u16 reason_code); |
Ron Rindjunsky | 85249e5 | 2008-03-18 15:00:32 -0700 | [diff] [blame] | 916 | |
Ron Rindjunsky | 07db218 | 2007-12-25 17:00:33 +0200 | [diff] [blame] | 917 | void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, |
| 918 | u16 tid, u16 initiator, u16 reason); |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 919 | void sta_addba_resp_timer_expired(unsigned long data); |
Ron Rindjunsky | 85249e5 | 2008-03-18 15:00:32 -0700 | [diff] [blame] | 920 | void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 921 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
| 922 | struct ieee802_11_elems *elems, |
| 923 | enum ieee80211_band band); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 924 | void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, |
| 925 | int encrypt); |
| 926 | void ieee802_11_parse_elems(u8 *start, size_t len, |
| 927 | struct ieee802_11_elems *elems); |
| 928 | |
Johannes Berg | 902acc7 | 2008-02-23 15:17:19 +0100 | [diff] [blame] | 929 | #ifdef CONFIG_MAC80211_MESH |
| 930 | void ieee80211_start_mesh(struct net_device *dev); |
| 931 | #else |
| 932 | static inline void ieee80211_start_mesh(struct net_device *dev) |
| 933 | {} |
| 934 | #endif |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 935 | |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 936 | /* ieee80211_iface.c */ |
| 937 | int ieee80211_if_add(struct net_device *dev, const char *name, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame] | 938 | struct net_device **new_dev, int type, |
| 939 | struct vif_params *params); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 940 | void ieee80211_if_set_type(struct net_device *dev, int type); |
| 941 | void ieee80211_if_reinit(struct net_device *dev); |
| 942 | void __ieee80211_if_del(struct ieee80211_local *local, |
| 943 | struct ieee80211_sub_if_data *sdata); |
| 944 | int ieee80211_if_remove(struct net_device *dev, const char *name, int id); |
| 945 | void ieee80211_if_free(struct net_device *dev); |
| 946 | void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 947 | |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 948 | /* tx handling */ |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 949 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
| 950 | void ieee80211_tx_pending(unsigned long data); |
| 951 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 952 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 953 | 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] | 954 | |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 955 | /* utility functions/constants */ |
| 956 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ |
| 957 | extern const unsigned char rfc1042_header[6]; |
| 958 | extern const unsigned char bridge_tunnel_header[6]; |
Ron Rindjunsky | 7136471 | 2007-12-25 17:00:36 +0200 | [diff] [blame] | 959 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
| 960 | enum ieee80211_if_types type); |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 961 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
| 962 | int rate, int erp, int short_preamble); |
Johannes Berg | eb063c1 | 2007-08-28 17:01:53 -0400 | [diff] [blame] | 963 | void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, |
| 964 | struct ieee80211_hdr *hdr); |
Jiri Benc | f0706e82 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 965 | |
| 966 | #endif /* IEEE80211_I_H */ |