Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2002-2005, Instant802 Networks, Inc. |
| 3 | * Copyright 2005, Devicescape Software, Inc. |
| 4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #ifndef IEEE80211_I_H |
| 12 | #define IEEE80211_I_H |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/if_ether.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/list.h> |
| 19 | #include <linux/netdevice.h> |
| 20 | #include <linux/skbuff.h> |
| 21 | #include <linux/workqueue.h> |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/spinlock.h> |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 24 | #include <linux/etherdevice.h> |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 25 | #include <net/wireless.h> |
| 26 | #include "ieee80211_key.h" |
| 27 | #include "sta_info.h" |
| 28 | |
| 29 | /* ieee80211.o internal definitions, etc. These are not included into |
| 30 | * low-level drivers. */ |
| 31 | |
| 32 | #ifndef ETH_P_PAE |
| 33 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ |
| 34 | #endif /* ETH_P_PAE */ |
| 35 | |
| 36 | #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) |
| 37 | |
| 38 | struct ieee80211_local; |
| 39 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 40 | #define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3) |
| 41 | |
| 42 | /* Maximum number of broadcast/multicast frames to buffer when some of the |
| 43 | * associated stations are using power saving. */ |
| 44 | #define AP_MAX_BC_BUFFER 128 |
| 45 | |
| 46 | /* Maximum number of frames buffered to all STAs, including multicast frames. |
| 47 | * Note: increasing this limit increases the potential memory requirement. Each |
| 48 | * frame can be up to about 2 kB long. */ |
| 49 | #define TOTAL_MAX_TX_BUFFER 512 |
| 50 | |
| 51 | /* Required encryption head and tailroom */ |
| 52 | #define IEEE80211_ENCRYPT_HEADROOM 8 |
| 53 | #define IEEE80211_ENCRYPT_TAILROOM 12 |
| 54 | |
| 55 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent |
| 56 | * reception of at least three fragmented frames. This limit can be increased |
| 57 | * by changing this define, at the cost of slower frame reassembly and |
| 58 | * increased memory use (about 2 kB of RAM per entry). */ |
| 59 | #define IEEE80211_FRAGMENT_MAX 4 |
| 60 | |
| 61 | struct ieee80211_fragment_entry { |
| 62 | unsigned long first_frag_time; |
| 63 | unsigned int seq; |
| 64 | unsigned int rx_queue; |
| 65 | unsigned int last_frag; |
| 66 | unsigned int extra_len; |
| 67 | struct sk_buff_head skb_list; |
| 68 | int ccmp; /* Whether fragments were encrypted with CCMP */ |
| 69 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ |
| 70 | }; |
| 71 | |
| 72 | |
| 73 | struct ieee80211_sta_bss { |
| 74 | struct list_head list; |
| 75 | struct ieee80211_sta_bss *hnext; |
| 76 | atomic_t users; |
| 77 | |
| 78 | u8 bssid[ETH_ALEN]; |
| 79 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 80 | size_t ssid_len; |
| 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 | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 83 | int freq; |
| 84 | int rssi, signal, noise; |
| 85 | u8 *wpa_ie; |
| 86 | size_t wpa_ie_len; |
| 87 | u8 *rsn_ie; |
| 88 | size_t rsn_ie_len; |
| 89 | u8 *wmm_ie; |
| 90 | size_t wmm_ie_len; |
Ron Rindjunsky | c715350 | 2007-11-26 16:14:31 +0200 | [diff] [blame] | 91 | u8 *ht_ie; |
| 92 | size_t ht_ie_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 93 | #ifdef CONFIG_MAC80211_MESH |
| 94 | u8 *mesh_id; |
| 95 | size_t mesh_id_len; |
| 96 | #endif |
| 97 | /* mesh_cfg left out the ifdef to reduce clutter on bss handling */ |
| 98 | u8 *mesh_cfg; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 99 | #define IEEE80211_MAX_SUPP_RATES 32 |
| 100 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; |
| 101 | size_t supp_rates_len; |
| 102 | int beacon_int; |
| 103 | u64 timestamp; |
| 104 | |
| 105 | int probe_resp; |
| 106 | unsigned long last_update; |
| 107 | |
Daniel Drake | 5628221 | 2007-07-10 19:32:10 +0200 | [diff] [blame] | 108 | /* during assocation, we save an ERP value from a probe response so |
| 109 | * that we can feed ERP info to the driver when handling the |
| 110 | * association completes. these fields probably won't be up-to-date |
| 111 | * otherwise, you probably don't want to use them. */ |
| 112 | int has_erp_value; |
| 113 | u8 erp_value; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 114 | }; |
| 115 | |
| 116 | |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 117 | typedef unsigned __bitwise__ ieee80211_tx_result; |
| 118 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) |
| 119 | #define TX_DROP ((__force ieee80211_tx_result) 1u) |
| 120 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) |
| 121 | |
| 122 | typedef unsigned __bitwise__ ieee80211_rx_result; |
Johannes Berg | e4c26ad | 2008-01-31 19:48:21 +0100 | [diff] [blame] | 123 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
| 124 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) |
| 125 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) |
| 126 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) |
Johannes Berg | 9ae54c8 | 2008-01-31 19:48:20 +0100 | [diff] [blame] | 127 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 128 | |
Jiri Slaby | badffb7 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 129 | /* flags used in struct ieee80211_txrx_data.flags */ |
| 130 | /* whether the MSDU was fragmented */ |
| 131 | #define IEEE80211_TXRXD_FRAGMENTED BIT(0) |
| 132 | #define IEEE80211_TXRXD_TXUNICAST BIT(1) |
| 133 | #define IEEE80211_TXRXD_TXPS_BUFFERED BIT(2) |
| 134 | #define IEEE80211_TXRXD_TXPROBE_LAST_FRAG BIT(3) |
| 135 | #define IEEE80211_TXRXD_RXIN_SCAN BIT(4) |
| 136 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
| 137 | #define IEEE80211_TXRXD_RXRA_MATCH BIT(5) |
Johannes Berg | 58d4185 | 2007-09-26 17:53:18 +0200 | [diff] [blame] | 138 | #define IEEE80211_TXRXD_TX_INJECTED BIT(6) |
Ron Rindjunsky | 64bd4b6 | 2007-11-29 10:35:53 +0200 | [diff] [blame] | 139 | #define IEEE80211_TXRXD_RX_AMSDU BIT(7) |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 140 | #define IEEE80211_TXRXD_RX_CMNTR_REPORTED BIT(8) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 141 | struct ieee80211_txrx_data { |
| 142 | struct sk_buff *skb; |
| 143 | struct net_device *dev; |
| 144 | struct ieee80211_local *local; |
| 145 | struct ieee80211_sub_if_data *sdata; |
| 146 | struct sta_info *sta; |
| 147 | u16 fc, ethertype; |
| 148 | struct ieee80211_key *key; |
Jiri Slaby | badffb7 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 149 | unsigned int flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 150 | union { |
| 151 | struct { |
| 152 | struct ieee80211_tx_control *control; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 153 | struct ieee80211_channel *channel; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 154 | struct ieee80211_rate *rate; |
| 155 | /* use this rate (if set) for last fragment; rate can |
| 156 | * be set to lower rate for the first fragments, e.g., |
| 157 | * when using CTS protection with IEEE 802.11g. */ |
| 158 | struct ieee80211_rate *last_frag_rate; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 159 | |
| 160 | /* Extra fragments (in addition to the first fragment |
| 161 | * in skb) */ |
| 162 | int num_extra_frag; |
| 163 | struct sk_buff **extra_frag; |
| 164 | } tx; |
| 165 | struct { |
| 166 | struct ieee80211_rx_status *status; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 167 | struct ieee80211_rate *rate; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 168 | int sent_ps_buffered; |
| 169 | int queue; |
| 170 | int load; |
Johannes Berg | 50741ae | 2007-09-26 15:19:45 +0200 | [diff] [blame] | 171 | u32 tkip_iv32; |
| 172 | u16 tkip_iv16; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 173 | } rx; |
| 174 | } u; |
| 175 | }; |
| 176 | |
Jiri Slaby | e8bf964 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 177 | /* flags used in struct ieee80211_tx_packet_data.flags */ |
| 178 | #define IEEE80211_TXPD_REQ_TX_STATUS BIT(0) |
| 179 | #define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1) |
| 180 | #define IEEE80211_TXPD_REQUEUE BIT(2) |
Johannes Berg | 678f5f71 | 2007-12-19 01:31:23 +0100 | [diff] [blame] | 181 | #define IEEE80211_TXPD_EAPOL_FRAME BIT(3) |
Ron Rindjunsky | 9e72349 | 2008-01-28 14:07:18 +0200 | [diff] [blame] | 182 | #define IEEE80211_TXPD_AMPDU BIT(4) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 183 | /* Stored in sk_buff->cb */ |
| 184 | struct ieee80211_tx_packet_data { |
| 185 | int ifindex; |
| 186 | unsigned long jiffies; |
Jiri Slaby | e8bf964 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 187 | unsigned int flags; |
| 188 | u8 queue; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 189 | }; |
| 190 | |
| 191 | struct ieee80211_tx_stored_packet { |
| 192 | struct ieee80211_tx_control control; |
| 193 | struct sk_buff *skb; |
| 194 | int num_extra_frag; |
| 195 | struct sk_buff **extra_frag; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 196 | struct ieee80211_rate *last_frag_rate; |
Jiri Slaby | badffb7 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 197 | unsigned int last_frag_rate_ctrl_probe; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 198 | }; |
| 199 | |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 200 | struct beacon_data { |
| 201 | u8 *head, *tail; |
| 202 | int head_len, tail_len; |
| 203 | int dtim_period; |
| 204 | }; |
| 205 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 206 | struct ieee80211_if_ap { |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 207 | struct beacon_data *beacon; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 208 | |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 209 | struct list_head vlans; |
| 210 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 211 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 212 | size_t ssid_len; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 213 | |
| 214 | /* yes, this looks ugly, but guarantees that we can later use |
| 215 | * bitmap_empty :) |
Johannes Berg | 004c872 | 2008-02-20 11:21:35 +0100 | [diff] [blame] | 216 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 217 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
| 218 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
| 219 | struct sk_buff_head ps_bc_buf; |
Johannes Berg | 5dfdaf5 | 2007-12-19 02:03:33 +0100 | [diff] [blame] | 220 | int dtim_count; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 221 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ |
| 222 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ |
| 223 | int num_beacons; /* number of TXed beacon frames for this BSS */ |
| 224 | }; |
| 225 | |
| 226 | struct ieee80211_if_wds { |
| 227 | u8 remote_addr[ETH_ALEN]; |
| 228 | struct sta_info *sta; |
| 229 | }; |
| 230 | |
| 231 | struct ieee80211_if_vlan { |
Johannes Berg | 0ec3ca4 | 2007-09-17 01:29:24 -0400 | [diff] [blame] | 232 | struct ieee80211_sub_if_data *ap; |
| 233 | struct list_head list; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 234 | }; |
| 235 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 236 | #ifdef CONFIG_MAC80211_MESH |
| 237 | struct mesh_stats { |
| 238 | __u32 fwded_frames; /* Mesh forwarded frames */ |
| 239 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
| 240 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ |
| 241 | atomic_t estab_plinks; |
| 242 | }; |
| 243 | |
| 244 | #define PREQ_Q_F_START 0x1 |
| 245 | #define PREQ_Q_F_REFRESH 0x2 |
| 246 | struct mesh_preq_queue { |
| 247 | struct list_head list; |
| 248 | u8 dst[ETH_ALEN]; |
| 249 | u8 flags; |
| 250 | }; |
| 251 | |
| 252 | |
| 253 | struct mesh_config { |
| 254 | /* Timeouts in ms */ |
| 255 | /* Mesh plink management parameters */ |
| 256 | u16 dot11MeshRetryTimeout; |
| 257 | u16 dot11MeshConfirmTimeout; |
| 258 | u16 dot11MeshHoldingTimeout; |
| 259 | u16 dot11MeshMaxPeerLinks; |
| 260 | u8 dot11MeshMaxRetries; |
| 261 | u8 dot11MeshTTL; |
| 262 | bool auto_open_plinks; |
| 263 | /* HWMP parameters */ |
| 264 | u32 dot11MeshHWMPactivePathTimeout; |
| 265 | u16 dot11MeshHWMPpreqMinInterval; |
| 266 | u16 dot11MeshHWMPnetDiameterTraversalTime; |
| 267 | u8 dot11MeshHWMPmaxPREQretries; |
| 268 | u32 path_refresh_time; |
| 269 | u16 min_discovery_timeout; |
| 270 | }; |
| 271 | #endif |
| 272 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 273 | /* flags used in struct ieee80211_if_sta.flags */ |
| 274 | #define IEEE80211_STA_SSID_SET BIT(0) |
| 275 | #define IEEE80211_STA_BSSID_SET BIT(1) |
| 276 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) |
| 277 | #define IEEE80211_STA_AUTHENTICATED BIT(3) |
| 278 | #define IEEE80211_STA_ASSOCIATED BIT(4) |
| 279 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) |
| 280 | #define IEEE80211_STA_CREATE_IBSS BIT(6) |
| 281 | #define IEEE80211_STA_MIXED_CELL BIT(7) |
| 282 | #define IEEE80211_STA_WMM_ENABLED BIT(8) |
| 283 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) |
| 284 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) |
| 285 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) |
Johannes Berg | 5b98b1f | 2007-11-03 13:11:10 +0000 | [diff] [blame] | 286 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 287 | struct ieee80211_if_sta { |
| 288 | enum { |
| 289 | IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, |
| 290 | IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 291 | IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, |
| 292 | IEEE80211_MESH_UP |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 293 | } state; |
| 294 | struct timer_list timer; |
| 295 | struct work_struct work; |
| 296 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
| 297 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
| 298 | size_t ssid_len; |
Helmut Schaa | a0af5f1 | 2007-11-09 16:25:08 +0100 | [diff] [blame] | 299 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
| 300 | size_t scan_ssid_len; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 301 | #ifdef CONFIG_MAC80211_MESH |
| 302 | struct timer_list mesh_path_timer; |
| 303 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; |
| 304 | bool accepting_plinks; |
| 305 | size_t mesh_id_len; |
| 306 | /* Active Path Selection Protocol Identifier */ |
| 307 | u8 mesh_pp_id[4]; |
| 308 | /* Active Path Selection Metric Identifier */ |
| 309 | u8 mesh_pm_id[4]; |
| 310 | /* Congestion Control Mode Identifier */ |
| 311 | u8 mesh_cc_id[4]; |
| 312 | /* Local mesh Destination Sequence Number */ |
| 313 | u32 dsn; |
| 314 | /* Last used PREQ ID */ |
| 315 | u32 preq_id; |
| 316 | atomic_t mpaths; |
| 317 | /* Timestamp of last DSN update */ |
| 318 | unsigned long last_dsn_update; |
| 319 | /* Timestamp of last DSN sent */ |
| 320 | unsigned long last_preq; |
| 321 | struct mesh_rmc *rmc; |
| 322 | spinlock_t mesh_preq_queue_lock; |
| 323 | struct mesh_preq_queue preq_queue; |
| 324 | int preq_queue_len; |
| 325 | struct mesh_stats mshstats; |
| 326 | struct mesh_config mshcfg; |
| 327 | u8 mesh_seqnum[3]; |
| 328 | #endif |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 329 | u16 aid; |
| 330 | u16 ap_capab, capab; |
| 331 | u8 *extra_ie; /* to be added to the end of AssocReq */ |
| 332 | size_t extra_ie_len; |
| 333 | |
| 334 | /* The last AssocReq/Resp IEs */ |
| 335 | u8 *assocreq_ies, *assocresp_ies; |
| 336 | size_t assocreq_ies_len, assocresp_ies_len; |
| 337 | |
| 338 | int auth_tries, assoc_tries; |
| 339 | |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 340 | unsigned int flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 341 | #define IEEE80211_STA_REQ_SCAN 0 |
| 342 | #define IEEE80211_STA_REQ_AUTH 1 |
| 343 | #define IEEE80211_STA_REQ_RUN 2 |
| 344 | unsigned long request; |
| 345 | struct sk_buff_head skb_queue; |
| 346 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 347 | unsigned long last_probe; |
| 348 | |
| 349 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) |
| 350 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) |
| 351 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) |
| 352 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
| 353 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ |
| 354 | int auth_transaction; |
| 355 | |
| 356 | unsigned long ibss_join_req; |
| 357 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 358 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 359 | |
| 360 | int wmm_last_param_set; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 361 | int num_beacons; /* number of TXed beacon frames by this STA */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 362 | }; |
| 363 | |
| 364 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 365 | /* flags used in struct ieee80211_sub_if_data.flags */ |
| 366 | #define IEEE80211_SDATA_ALLMULTI BIT(0) |
| 367 | #define IEEE80211_SDATA_PROMISC BIT(1) |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 368 | #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 369 | #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 370 | struct ieee80211_sub_if_data { |
| 371 | struct list_head list; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 372 | |
| 373 | struct wireless_dev wdev; |
| 374 | |
Johannes Berg | 11a843b | 2007-08-28 17:01:55 -0400 | [diff] [blame] | 375 | /* keys */ |
| 376 | struct list_head key_list; |
| 377 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 378 | struct net_device *dev; |
| 379 | struct ieee80211_local *local; |
| 380 | |
Jiri Slaby | 13262ff | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 381 | unsigned int flags; |
Daniel Drake | 7e9ed18 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 382 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 383 | int drop_unencrypted; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 384 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 385 | /* |
| 386 | * basic rates of this AP or the AP we're associated to |
| 387 | */ |
| 388 | u64 basic_rates; |
| 389 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 390 | u16 sequence; |
| 391 | |
| 392 | /* Fragment table for host-based reassembly */ |
| 393 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; |
| 394 | unsigned int fragment_next; |
| 395 | |
| 396 | #define NUM_DEFAULT_KEYS 4 |
| 397 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; |
| 398 | struct ieee80211_key *default_key; |
| 399 | |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 400 | /* |
| 401 | * BSS configuration for this interface. |
| 402 | * |
| 403 | * FIXME: I feel bad putting this here when we already have a |
| 404 | * bss pointer, but the bss pointer is just wrong when |
| 405 | * you have multiple virtual STA mode interfaces... |
| 406 | * This needs to be fixed. |
| 407 | */ |
| 408 | struct ieee80211_bss_conf bss_conf; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 409 | struct ieee80211_if_ap *bss; /* BSS that this device belongs to */ |
| 410 | |
| 411 | union { |
| 412 | struct ieee80211_if_ap ap; |
| 413 | struct ieee80211_if_wds wds; |
| 414 | struct ieee80211_if_vlan vlan; |
| 415 | struct ieee80211_if_sta sta; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 416 | u32 mntr_flags; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 417 | } u; |
| 418 | int channel_use; |
| 419 | int channel_use_raw; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 420 | |
| 421 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 422 | struct dentry *debugfsdir; |
| 423 | union { |
| 424 | struct { |
| 425 | struct dentry *channel_use; |
| 426 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 427 | struct dentry *state; |
| 428 | struct dentry *bssid; |
| 429 | struct dentry *prev_bssid; |
| 430 | struct dentry *ssid_len; |
| 431 | struct dentry *aid; |
| 432 | struct dentry *ap_capab; |
| 433 | struct dentry *capab; |
| 434 | struct dentry *extra_ie_len; |
| 435 | struct dentry *auth_tries; |
| 436 | struct dentry *assoc_tries; |
| 437 | struct dentry *auth_algs; |
| 438 | struct dentry *auth_alg; |
| 439 | struct dentry *auth_transaction; |
| 440 | struct dentry *flags; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 441 | struct dentry *num_beacons_sta; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 442 | } sta; |
| 443 | struct { |
| 444 | struct dentry *channel_use; |
| 445 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 446 | struct dentry *num_sta_ps; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 447 | struct dentry *dtim_count; |
| 448 | struct dentry *num_beacons; |
| 449 | struct dentry *force_unicast_rateidx; |
| 450 | struct dentry *max_ratectrl_rateidx; |
| 451 | struct dentry *num_buffered_multicast; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 452 | } ap; |
| 453 | struct { |
| 454 | struct dentry *channel_use; |
| 455 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 456 | struct dentry *peer; |
| 457 | } wds; |
| 458 | struct { |
| 459 | struct dentry *channel_use; |
| 460 | struct dentry *drop_unencrypted; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 461 | } vlan; |
| 462 | struct { |
| 463 | struct dentry *mode; |
| 464 | } monitor; |
| 465 | struct dentry *default_key; |
| 466 | } debugfs; |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 467 | |
| 468 | #ifdef CONFIG_MAC80211_MESH |
| 469 | struct dentry *mesh_stats_dir; |
| 470 | struct { |
| 471 | struct dentry *fwded_frames; |
| 472 | struct dentry *dropped_frames_ttl; |
| 473 | struct dentry *dropped_frames_no_route; |
| 474 | struct dentry *estab_plinks; |
| 475 | struct timer_list mesh_path_timer; |
| 476 | } mesh_stats; |
| 477 | |
| 478 | struct dentry *mesh_config_dir; |
| 479 | struct { |
| 480 | struct dentry *dot11MeshRetryTimeout; |
| 481 | struct dentry *dot11MeshConfirmTimeout; |
| 482 | struct dentry *dot11MeshHoldingTimeout; |
| 483 | struct dentry *dot11MeshMaxRetries; |
| 484 | struct dentry *dot11MeshTTL; |
| 485 | struct dentry *auto_open_plinks; |
| 486 | struct dentry *dot11MeshMaxPeerLinks; |
| 487 | struct dentry *dot11MeshHWMPactivePathTimeout; |
| 488 | struct dentry *dot11MeshHWMPpreqMinInterval; |
| 489 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; |
| 490 | struct dentry *dot11MeshHWMPmaxPREQretries; |
| 491 | struct dentry *path_refresh_time; |
| 492 | struct dentry *min_discovery_timeout; |
| 493 | } mesh_config; |
| 494 | #endif |
| 495 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 496 | #endif |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 497 | /* must be last, dynamically sized area in this! */ |
| 498 | struct ieee80211_vif vif; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 499 | }; |
| 500 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 501 | static inline |
| 502 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) |
| 503 | { |
| 504 | return container_of(p, struct ieee80211_sub_if_data, vif); |
| 505 | } |
| 506 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 507 | #define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) |
| 508 | |
| 509 | enum { |
| 510 | IEEE80211_RX_MSG = 1, |
| 511 | IEEE80211_TX_STATUS_MSG = 2, |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 512 | IEEE80211_DELBA_MSG = 3, |
| 513 | IEEE80211_ADDBA_MSG = 4, |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 514 | }; |
| 515 | |
| 516 | struct ieee80211_local { |
| 517 | /* embed the driver visible part. |
| 518 | * don't cast (use the static inlines below), but we keep |
| 519 | * it first anyway so they become a no-op */ |
| 520 | struct ieee80211_hw hw; |
| 521 | |
| 522 | const struct ieee80211_ops *ops; |
| 523 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 524 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 525 | int open_count; |
Michael Wu | 3d30d94 | 2008-01-31 19:48:27 +0100 | [diff] [blame] | 526 | int monitors, cooked_mntrs; |
Michael Wu | 8cc9a73 | 2008-01-31 19:48:23 +0100 | [diff] [blame] | 527 | /* number of interfaces with corresponding FIF_ flags */ |
| 528 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 529 | unsigned int filter_flags; /* FIF_* */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 530 | struct iw_statistics wstats; |
| 531 | u8 wstats_flags; |
Johannes Berg | b306f45 | 2007-07-10 19:32:08 +0200 | [diff] [blame] | 532 | int tx_headroom; /* required headroom for hardware/radiotap */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 533 | |
| 534 | enum { |
| 535 | IEEE80211_DEV_UNINITIALIZED = 0, |
| 536 | IEEE80211_DEV_REGISTERED, |
| 537 | IEEE80211_DEV_UNREGISTERED, |
| 538 | } reg_state; |
| 539 | |
| 540 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
| 541 | * added to skb_queue will be processed, but frames in |
| 542 | * skb_queue_unreliable may be dropped if the total length of these |
| 543 | * queues increases over the limit. */ |
| 544 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 |
| 545 | struct tasklet_struct tasklet; |
| 546 | struct sk_buff_head skb_queue; |
| 547 | struct sk_buff_head skb_queue_unreliable; |
| 548 | |
| 549 | /* Station data structures */ |
Michael Wu | be8755e | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 550 | rwlock_t sta_lock; /* protects STA data structures */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 551 | int num_sta; /* number of stations in sta_list */ |
| 552 | struct list_head sta_list; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 553 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
| 554 | struct timer_list sta_cleanup; |
| 555 | |
Ron Rindjunsky | 9e72349 | 2008-01-28 14:07:18 +0200 | [diff] [blame] | 556 | unsigned long state[NUM_TX_DATA_QUEUES_AMPDU]; |
| 557 | struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES_AMPDU]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 558 | struct tasklet_struct tx_pending_tasklet; |
| 559 | |
Johannes Berg | 5391899 | 2007-09-26 15:19:47 +0200 | [diff] [blame] | 560 | /* number of interfaces with corresponding IFF_ flags */ |
| 561 | atomic_t iff_allmultis, iff_promiscs; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 562 | |
| 563 | struct rate_control_ref *rate_ctrl; |
| 564 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 565 | int rts_threshold; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 566 | int fragmentation_threshold; |
| 567 | int short_retry_limit; /* dot11ShortRetryLimit */ |
| 568 | int long_retry_limit; /* dot11LongRetryLimit */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 569 | |
| 570 | struct crypto_blkcipher *wep_tx_tfm; |
| 571 | struct crypto_blkcipher *wep_rx_tfm; |
| 572 | u32 wep_iv; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 573 | |
| 574 | int bridge_packets; /* bridge packets between associated stations and |
| 575 | * deliver multicast frames both back to wireless |
| 576 | * media and to the local net stack */ |
| 577 | |
Johannes Berg | 7901042 | 2007-09-18 17:29:21 -0400 | [diff] [blame] | 578 | struct list_head interfaces; |
| 579 | |
Zhu Yi | ece8edd | 2007-11-22 10:53:21 +0800 | [diff] [blame] | 580 | bool sta_sw_scanning; |
| 581 | bool sta_hw_scanning; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 582 | int scan_channel_idx; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 583 | enum ieee80211_band scan_band; |
| 584 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 585 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
| 586 | unsigned long last_scan_completed; |
| 587 | struct delayed_work scan_work; |
| 588 | struct net_device *scan_dev; |
| 589 | struct ieee80211_channel *oper_channel, *scan_channel; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 590 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
| 591 | size_t scan_ssid_len; |
| 592 | struct list_head sta_bss_list; |
| 593 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; |
| 594 | spinlock_t sta_bss_lock; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 595 | |
| 596 | /* SNMP counters */ |
| 597 | /* dot11CountersTable */ |
| 598 | u32 dot11TransmittedFragmentCount; |
| 599 | u32 dot11MulticastTransmittedFrameCount; |
| 600 | u32 dot11FailedCount; |
| 601 | u32 dot11RetryCount; |
| 602 | u32 dot11MultipleRetryCount; |
| 603 | u32 dot11FrameDuplicateCount; |
| 604 | u32 dot11ReceivedFragmentCount; |
| 605 | u32 dot11MulticastReceivedFrameCount; |
| 606 | u32 dot11TransmittedFrameCount; |
| 607 | u32 dot11WEPUndecryptableCount; |
| 608 | |
| 609 | #ifdef CONFIG_MAC80211_LEDS |
| 610 | int tx_led_counter, rx_led_counter; |
Ivo van Doorn | cdcb006 | 2008-01-07 19:45:24 +0100 | [diff] [blame] | 611 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
| 612 | char tx_led_name[32], rx_led_name[32], |
| 613 | assoc_led_name[32], radio_led_name[32]; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 614 | #endif |
| 615 | |
| 616 | u32 channel_use; |
| 617 | u32 channel_use_raw; |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 618 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 619 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 620 | struct work_struct sta_debugfs_add; |
| 621 | #endif |
| 622 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 623 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 624 | /* TX/RX handler statistics */ |
| 625 | unsigned int tx_handlers_drop; |
| 626 | unsigned int tx_handlers_queued; |
| 627 | unsigned int tx_handlers_drop_unencrypted; |
| 628 | unsigned int tx_handlers_drop_fragment; |
| 629 | unsigned int tx_handlers_drop_wep; |
| 630 | unsigned int tx_handlers_drop_not_assoc; |
| 631 | unsigned int tx_handlers_drop_unauth_port; |
| 632 | unsigned int rx_handlers_drop; |
| 633 | unsigned int rx_handlers_queued; |
| 634 | unsigned int rx_handlers_drop_nullfunc; |
| 635 | unsigned int rx_handlers_drop_defrag; |
| 636 | unsigned int rx_handlers_drop_short; |
| 637 | unsigned int rx_handlers_drop_passive_scan; |
| 638 | unsigned int tx_expand_skb_head; |
| 639 | unsigned int tx_expand_skb_head_cloned; |
| 640 | unsigned int rx_expand_skb_head; |
| 641 | unsigned int rx_expand_skb_head2; |
| 642 | unsigned int rx_handlers_fragments; |
| 643 | unsigned int tx_status_drop; |
| 644 | unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; |
| 645 | unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; |
| 646 | #define I802_DEBUG_INC(c) (c)++ |
| 647 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 648 | #define I802_DEBUG_INC(c) do { } while (0) |
| 649 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ |
| 650 | |
| 651 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 652 | int total_ps_buffered; /* total number of all buffered unicast and |
| 653 | * multicast packets for power saving stations |
| 654 | */ |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 655 | int wifi_wme_noack_test; |
| 656 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ |
| 657 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 658 | #ifdef CONFIG_MAC80211_DEBUGFS |
| 659 | struct local_debugfsdentries { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 660 | struct dentry *frequency; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 661 | struct dentry *antenna_sel_tx; |
| 662 | struct dentry *antenna_sel_rx; |
| 663 | struct dentry *bridge_packets; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 664 | struct dentry *rts_threshold; |
| 665 | struct dentry *fragmentation_threshold; |
| 666 | struct dentry *short_retry_limit; |
| 667 | struct dentry *long_retry_limit; |
| 668 | struct dentry *total_ps_buffered; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 669 | struct dentry *wep_iv; |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 670 | struct dentry *statistics; |
| 671 | struct local_debugfsdentries_statsdentries { |
| 672 | struct dentry *transmitted_fragment_count; |
| 673 | struct dentry *multicast_transmitted_frame_count; |
| 674 | struct dentry *failed_count; |
| 675 | struct dentry *retry_count; |
| 676 | struct dentry *multiple_retry_count; |
| 677 | struct dentry *frame_duplicate_count; |
| 678 | struct dentry *received_fragment_count; |
| 679 | struct dentry *multicast_received_frame_count; |
| 680 | struct dentry *transmitted_frame_count; |
| 681 | struct dentry *wep_undecryptable_count; |
| 682 | struct dentry *num_scans; |
| 683 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
| 684 | struct dentry *tx_handlers_drop; |
| 685 | struct dentry *tx_handlers_queued; |
| 686 | struct dentry *tx_handlers_drop_unencrypted; |
| 687 | struct dentry *tx_handlers_drop_fragment; |
| 688 | struct dentry *tx_handlers_drop_wep; |
| 689 | struct dentry *tx_handlers_drop_not_assoc; |
| 690 | struct dentry *tx_handlers_drop_unauth_port; |
| 691 | struct dentry *rx_handlers_drop; |
| 692 | struct dentry *rx_handlers_queued; |
| 693 | struct dentry *rx_handlers_drop_nullfunc; |
| 694 | struct dentry *rx_handlers_drop_defrag; |
| 695 | struct dentry *rx_handlers_drop_short; |
| 696 | struct dentry *rx_handlers_drop_passive_scan; |
| 697 | struct dentry *tx_expand_skb_head; |
| 698 | struct dentry *tx_expand_skb_head_cloned; |
| 699 | struct dentry *rx_expand_skb_head; |
| 700 | struct dentry *rx_expand_skb_head2; |
| 701 | struct dentry *rx_handlers_fragments; |
| 702 | struct dentry *tx_status_drop; |
| 703 | struct dentry *wme_tx_queue; |
| 704 | struct dentry *wme_rx_queue; |
| 705 | #endif |
| 706 | struct dentry *dot11ACKFailureCount; |
| 707 | struct dentry *dot11RTSFailureCount; |
| 708 | struct dentry *dot11FCSErrorCount; |
| 709 | struct dentry *dot11RTSSuccessCount; |
| 710 | } stats; |
| 711 | struct dentry *stations; |
| 712 | struct dentry *keys; |
| 713 | } debugfs; |
| 714 | #endif |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 715 | }; |
| 716 | |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 717 | /* this struct represents 802.11n's RA/TID combination */ |
| 718 | struct ieee80211_ra_tid { |
| 719 | u8 ra[ETH_ALEN]; |
| 720 | u16 tid; |
| 721 | }; |
| 722 | |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 723 | /* Parsed Information Elements */ |
| 724 | struct ieee802_11_elems { |
| 725 | /* pointers to IEs */ |
| 726 | u8 *ssid; |
| 727 | u8 *supp_rates; |
| 728 | u8 *fh_params; |
| 729 | u8 *ds_params; |
| 730 | u8 *cf_params; |
| 731 | u8 *tim; |
| 732 | u8 *ibss_params; |
| 733 | u8 *challenge; |
| 734 | u8 *wpa; |
| 735 | u8 *rsn; |
| 736 | u8 *erp_info; |
| 737 | u8 *ext_supp_rates; |
| 738 | u8 *wmm_info; |
| 739 | u8 *wmm_param; |
| 740 | u8 *ht_cap_elem; |
| 741 | u8 *ht_info_elem; |
| 742 | u8 *mesh_config; |
| 743 | u8 *mesh_id; |
| 744 | u8 *peer_link; |
| 745 | u8 *preq; |
| 746 | u8 *prep; |
| 747 | u8 *perr; |
| 748 | |
| 749 | /* length of them, respectively */ |
| 750 | u8 ssid_len; |
| 751 | u8 supp_rates_len; |
| 752 | u8 fh_params_len; |
| 753 | u8 ds_params_len; |
| 754 | u8 cf_params_len; |
| 755 | u8 tim_len; |
| 756 | u8 ibss_params_len; |
| 757 | u8 challenge_len; |
| 758 | u8 wpa_len; |
| 759 | u8 rsn_len; |
| 760 | u8 erp_info_len; |
| 761 | u8 ext_supp_rates_len; |
| 762 | u8 wmm_info_len; |
| 763 | u8 wmm_param_len; |
| 764 | u8 ht_cap_elem_len; |
| 765 | u8 ht_info_elem_len; |
| 766 | u8 mesh_config_len; |
| 767 | u8 mesh_id_len; |
| 768 | u8 peer_link_len; |
| 769 | u8 preq_len; |
| 770 | u8 prep_len; |
| 771 | u8 perr_len; |
| 772 | }; |
| 773 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 774 | static inline struct ieee80211_local *hw_to_local( |
| 775 | struct ieee80211_hw *hw) |
| 776 | { |
| 777 | return container_of(hw, struct ieee80211_local, hw); |
| 778 | } |
| 779 | |
| 780 | static inline struct ieee80211_hw *local_to_hw( |
| 781 | struct ieee80211_local *local) |
| 782 | { |
| 783 | return &local->hw; |
| 784 | } |
| 785 | |
| 786 | enum ieee80211_link_state_t { |
| 787 | IEEE80211_LINK_STATE_XOFF = 0, |
| 788 | IEEE80211_LINK_STATE_PENDING, |
| 789 | }; |
| 790 | |
| 791 | struct sta_attribute { |
| 792 | struct attribute attr; |
| 793 | ssize_t (*show)(const struct sta_info *, char *buf); |
| 794 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); |
| 795 | }; |
| 796 | |
Johannes Berg | 571ecf6 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 797 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
| 798 | { |
| 799 | return compare_ether_addr(raddr, addr) == 0 || |
| 800 | is_broadcast_ether_addr(raddr); |
| 801 | } |
| 802 | |
| 803 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 804 | /* ieee80211.c */ |
| 805 | int ieee80211_hw_config(struct ieee80211_local *local); |
| 806 | int ieee80211_if_config(struct net_device *dev); |
| 807 | int ieee80211_if_config_beacon(struct net_device *dev); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 808 | void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx); |
| 809 | int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 810 | void ieee80211_if_setup(struct net_device *dev); |
Ron Rindjunsky | d3c990f | 2007-11-26 16:14:34 +0200 | [diff] [blame] | 811 | int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht, |
| 812 | struct ieee80211_ht_info *req_ht_cap, |
| 813 | struct ieee80211_ht_bss_info *req_bss_cap); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 814 | |
| 815 | /* ieee80211_ioctl.c */ |
| 816 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
| 817 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 818 | |
| 819 | /* Least common multiple of the used rates (in 100 kbps). This is used to |
| 820 | * calculate rate_inv values for each rate so that only integers are needed. */ |
| 821 | #define CHAN_UTIL_RATE_LCM 95040 |
| 822 | /* 1 usec is 1/8 * (95040/10) = 1188 */ |
| 823 | #define CHAN_UTIL_PER_USEC 1188 |
| 824 | /* Amount of bits to shift the result right to scale the total utilization |
| 825 | * to values that will not wrap around 32-bit integers. */ |
| 826 | #define CHAN_UTIL_SHIFT 9 |
| 827 | /* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1): |
| 828 | * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the |
| 829 | * raw value with about 23 should give utilization in 10th of a percentage |
| 830 | * (1/1000). However, utilization is only estimated and not all intervals |
| 831 | * between frames etc. are calculated. 18 seems to give numbers that are closer |
| 832 | * to the real maximum. */ |
| 833 | #define CHAN_UTIL_PER_10MS 18 |
| 834 | #define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC) |
| 835 | #define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC) |
| 836 | |
| 837 | |
| 838 | /* ieee80211_ioctl.c */ |
| 839 | int ieee80211_set_compression(struct ieee80211_local *local, |
| 840 | struct net_device *dev, struct sta_info *sta); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 841 | int ieee80211_set_freq(struct ieee80211_local *local, int freq); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 842 | /* ieee80211_sta.c */ |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 843 | #define IEEE80211_FC(type, stype) cpu_to_le16(type | stype) |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 844 | void ieee80211_sta_timer(unsigned long data); |
| 845 | void ieee80211_sta_work(struct work_struct *work); |
| 846 | void ieee80211_sta_scan_work(struct work_struct *work); |
| 847 | void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, |
| 848 | struct ieee80211_rx_status *rx_status); |
| 849 | int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); |
| 850 | int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); |
| 851 | int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); |
| 852 | int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); |
| 853 | void ieee80211_sta_req_auth(struct net_device *dev, |
| 854 | struct ieee80211_if_sta *ifsta); |
| 855 | 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] | 856 | ieee80211_rx_result ieee80211_sta_rx_scan( |
| 857 | struct net_device *dev, struct sk_buff *skb, |
| 858 | struct ieee80211_rx_status *rx_status); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 859 | void ieee80211_rx_bss_list_init(struct net_device *dev); |
| 860 | void ieee80211_rx_bss_list_deinit(struct net_device *dev); |
| 861 | int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); |
| 862 | struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, |
| 863 | struct sk_buff *skb, u8 *bssid, |
| 864 | u8 *addr); |
| 865 | int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); |
| 866 | int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 867 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
| 868 | u32 changed); |
Daniel Drake | d9430a3 | 2007-07-27 15:43:24 +0200 | [diff] [blame] | 869 | void ieee80211_reset_erp_info(struct net_device *dev); |
Ron Rindjunsky | c715350 | 2007-11-26 16:14:31 +0200 | [diff] [blame] | 870 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, |
| 871 | struct ieee80211_ht_info *ht_info); |
| 872 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( |
| 873 | struct ieee80211_ht_addt_info *ht_add_info_ie, |
| 874 | struct ieee80211_ht_bss_info *bss_info); |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 875 | void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, |
| 876 | u16 tid, u8 dialog_token, u16 start_seq_num, |
| 877 | u16 agg_size, u16 timeout); |
| 878 | void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, |
| 879 | u16 initiator, u16 reason_code); |
Ron Rindjunsky | 07db218 | 2007-12-25 17:00:33 +0200 | [diff] [blame] | 880 | void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, |
| 881 | u16 tid, u16 initiator, u16 reason); |
| 882 | void sta_rx_agg_session_timer_expired(unsigned long data); |
Ron Rindjunsky | eadc8d9 | 2008-01-28 14:07:17 +0200 | [diff] [blame] | 883 | void sta_addba_resp_timer_expired(unsigned long data); |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 884 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
| 885 | struct ieee802_11_elems *elems, |
| 886 | enum ieee80211_band band); |
| 887 | void ieee80211_start_mesh(struct net_device *dev); |
| 888 | void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, |
| 889 | int encrypt); |
| 890 | void ieee802_11_parse_elems(u8 *start, size_t len, |
| 891 | struct ieee802_11_elems *elems); |
| 892 | |
| 893 | |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 894 | /* ieee80211_iface.c */ |
| 895 | int ieee80211_if_add(struct net_device *dev, const char *name, |
Luis Carlos Cobo | ee38585 | 2008-02-23 15:17:11 +0100 | [diff] [blame^] | 896 | struct net_device **new_dev, int type, |
| 897 | struct vif_params *params); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 898 | void ieee80211_if_set_type(struct net_device *dev, int type); |
| 899 | void ieee80211_if_reinit(struct net_device *dev); |
| 900 | void __ieee80211_if_del(struct ieee80211_local *local, |
| 901 | struct ieee80211_sub_if_data *sdata); |
| 902 | int ieee80211_if_remove(struct net_device *dev, const char *name, int id); |
| 903 | void ieee80211_if_free(struct net_device *dev); |
| 904 | void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 905 | |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 906 | /* tx handling */ |
Johannes Berg | e2ebc74 | 2007-07-27 15:43:22 +0200 | [diff] [blame] | 907 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
| 908 | void ieee80211_tx_pending(unsigned long data); |
| 909 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 910 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| 911 | 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] | 912 | |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 913 | /* utility functions/constants */ |
| 914 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ |
| 915 | extern const unsigned char rfc1042_header[6]; |
| 916 | extern const unsigned char bridge_tunnel_header[6]; |
Ron Rindjunsky | 7136471 | 2007-12-25 17:00:36 +0200 | [diff] [blame] | 917 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
| 918 | enum ieee80211_if_types type); |
Johannes Berg | c2d1560 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 919 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
| 920 | int rate, int erp, int short_preamble); |
Johannes Berg | eb063c1 | 2007-08-28 17:01:53 -0400 | [diff] [blame] | 921 | void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, |
| 922 | struct ieee80211_hdr *hdr); |
Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame] | 923 | |
| 924 | #endif /* IEEE80211_I_H */ |