iwl-3945.h 20 KB

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  1. /******************************************************************************
  2. *
  3. * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or modify it
  6. * under the terms of version 2 of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it will be useful, but WITHOUT
  10. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12. * more details.
  13. *
  14. * You should have received a copy of the GNU General Public License along with
  15. * this program; if not, write to the Free Software Foundation, Inc.,
  16. * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17. *
  18. * The full GNU General Public License is included in this distribution in the
  19. * file called LICENSE.
  20. *
  21. * Contact Information:
  22. * Intel Linux Wireless <ilw@linux.intel.com>
  23. * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24. *
  25. *****************************************************************************/
  26. /*
  27. * Please use this file (iwl-3945.h) for driver implementation definitions.
  28. * Please use iwl-3945-commands.h for uCode API definitions.
  29. * Please use iwl-3945-hw.h for hardware-related definitions.
  30. */
  31. #ifndef __iwl_3945_h__
  32. #define __iwl_3945_h__
  33. #include <linux/pci.h> /* for struct pci_device_id */
  34. #include <linux/kernel.h>
  35. #include <net/ieee80211_radiotap.h>
  36. /*used for rfkill*/
  37. #include <linux/rfkill.h>
  38. #include <linux/input.h>
  39. /* Hardware specific file defines the PCI IDs table for that hardware module */
  40. extern struct pci_device_id iwl3945_hw_card_ids[];
  41. #include "iwl-csr.h"
  42. #include "iwl-prph.h"
  43. #include "iwl-3945-hw.h"
  44. #include "iwl-debug.h"
  45. #include "iwl-power.h"
  46. #include "iwl-dev.h"
  47. #include "iwl-3945-led.h"
  48. /* Highest firmware API version supported */
  49. #define IWL3945_UCODE_API_MAX 2
  50. /* Lowest firmware API version supported */
  51. #define IWL3945_UCODE_API_MIN 1
  52. #define IWL3945_FW_PRE "iwlwifi-3945-"
  53. #define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode"
  54. #define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api)
  55. /* Default noise level to report when noise measurement is not available.
  56. * This may be because we're:
  57. * 1) Not associated (4965, no beacon statistics being sent to driver)
  58. * 2) Scanning (noise measurement does not apply to associated channel)
  59. * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
  60. * Use default noise value of -127 ... this is below the range of measurable
  61. * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
  62. * Also, -127 works better than 0 when averaging frames with/without
  63. * noise info (e.g. averaging might be done in app); measured dBm values are
  64. * always negative ... using a negative value as the default keeps all
  65. * averages within an s8's (used in some apps) range of negative values. */
  66. #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  67. /* Module parameters accessible from iwl-*.c */
  68. extern int iwl3945_param_hwcrypto;
  69. extern int iwl3945_param_queues_num;
  70. struct iwl3945_sta_priv {
  71. struct iwl3945_rs_sta *rs_sta;
  72. };
  73. enum iwl3945_antenna {
  74. IWL_ANTENNA_DIVERSITY,
  75. IWL_ANTENNA_MAIN,
  76. IWL_ANTENNA_AUX
  77. };
  78. /*
  79. * RTS threshold here is total size [2347] minus 4 FCS bytes
  80. * Per spec:
  81. * a value of 0 means RTS on all data/management packets
  82. * a value > max MSDU size means no RTS
  83. * else RTS for data/management frames where MPDU is larger
  84. * than RTS value.
  85. */
  86. #define IWL_RX_BUF_SIZE 3000U
  87. #define DEFAULT_RTS_THRESHOLD 2347U
  88. #define MIN_RTS_THRESHOLD 0U
  89. #define MAX_RTS_THRESHOLD 2347U
  90. #define MAX_MSDU_SIZE 2304U
  91. #define MAX_MPDU_SIZE 2346U
  92. #define DEFAULT_BEACON_INTERVAL 100U
  93. #define DEFAULT_SHORT_RETRY_LIMIT 7U
  94. #define DEFAULT_LONG_RETRY_LIMIT 4U
  95. int iwl3945_x2_queue_used(const struct iwl_queue *q, int i);
  96. #define MAX_NUM_OF_TBS (20)
  97. /* One for each TFD */
  98. struct iwl3945_tx_info {
  99. struct sk_buff *skb[MAX_NUM_OF_TBS];
  100. };
  101. #include "iwl-agn-rs.h"
  102. #define IWL_TX_FIFO_AC0 0
  103. #define IWL_TX_FIFO_AC1 1
  104. #define IWL_TX_FIFO_AC2 2
  105. #define IWL_TX_FIFO_AC3 3
  106. #define IWL_TX_FIFO_HCCA_1 5
  107. #define IWL_TX_FIFO_HCCA_2 6
  108. #define IWL_TX_FIFO_NONE 7
  109. /* Minimum number of queues. MAX_NUM is defined in hw specific files */
  110. #define IWL_MIN_NUM_QUEUES 4
  111. #define IEEE80211_DATA_LEN 2304
  112. #define IEEE80211_4ADDR_LEN 30
  113. #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
  114. #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
  115. struct iwl3945_frame {
  116. union {
  117. struct ieee80211_hdr frame;
  118. struct iwl3945_tx_beacon_cmd beacon;
  119. u8 raw[IEEE80211_FRAME_LEN];
  120. u8 cmd[360];
  121. } u;
  122. struct list_head list;
  123. };
  124. #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
  125. #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
  126. #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
  127. struct iwl3945_cmd;
  128. struct iwl3945_priv;
  129. struct iwl3945_cmd_meta {
  130. struct iwl3945_cmd_meta *source;
  131. union {
  132. struct sk_buff *skb;
  133. int (*callback)(struct iwl3945_priv *priv,
  134. struct iwl3945_cmd *cmd, struct sk_buff *skb);
  135. } __attribute__ ((packed)) u;
  136. /* The CMD_SIZE_HUGE flag bit indicates that the command
  137. * structure is stored at the end of the shared queue memory. */
  138. u32 flags;
  139. } __attribute__ ((packed));
  140. /**
  141. * struct iwl3945_cmd
  142. *
  143. * For allocation of the command and tx queues, this establishes the overall
  144. * size of the largest command we send to uCode, except for a scan command
  145. * (which is relatively huge; space is allocated separately).
  146. */
  147. struct iwl3945_cmd {
  148. struct iwl3945_cmd_meta meta;
  149. struct iwl_cmd_header hdr;
  150. union {
  151. struct iwl3945_addsta_cmd addsta;
  152. struct iwl_led_cmd led;
  153. u32 flags;
  154. u8 val8;
  155. u16 val16;
  156. u32 val32;
  157. struct iwl_bt_cmd bt;
  158. struct iwl_rxon_time_cmd rxon_time;
  159. struct iwl_powertable_cmd powertable;
  160. struct iwl_qosparam_cmd qosparam;
  161. struct iwl3945_tx_cmd tx;
  162. struct iwl3945_tx_beacon_cmd tx_beacon;
  163. struct iwl3945_rxon_assoc_cmd rxon_assoc;
  164. u8 *indirect;
  165. u8 payload[360];
  166. } __attribute__ ((packed)) cmd;
  167. } __attribute__ ((packed));
  168. struct iwl3945_host_cmd {
  169. u8 id;
  170. u16 len;
  171. struct iwl3945_cmd_meta meta;
  172. const void *data;
  173. };
  174. #define TFD39_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
  175. sizeof(struct iwl3945_cmd_meta))
  176. /*
  177. * RX related structures and functions
  178. */
  179. #define RX_FREE_BUFFERS 64
  180. #define RX_LOW_WATERMARK 8
  181. #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
  182. #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
  183. #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
  184. #define IWL_SUPPORTED_RATES_IE_LEN 8
  185. #define SCAN_INTERVAL 100
  186. #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
  187. #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
  188. #define STATUS_INT_ENABLED 2
  189. #define STATUS_RF_KILL_HW 3
  190. #define STATUS_RF_KILL_SW 4
  191. #define STATUS_INIT 5
  192. #define STATUS_ALIVE 6
  193. #define STATUS_READY 7
  194. #define STATUS_TEMPERATURE 8
  195. #define STATUS_GEO_CONFIGURED 9
  196. #define STATUS_EXIT_PENDING 10
  197. #define STATUS_IN_SUSPEND 11
  198. #define STATUS_STATISTICS 12
  199. #define STATUS_SCANNING 13
  200. #define STATUS_SCAN_ABORTING 14
  201. #define STATUS_SCAN_HW 15
  202. #define STATUS_POWER_PMI 16
  203. #define STATUS_FW_ERROR 17
  204. #define STATUS_CONF_PENDING 18
  205. #define MAX_TID_COUNT 9
  206. #define IWL_INVALID_RATE 0xFF
  207. #define IWL_INVALID_VALUE -1
  208. #define STA_PS_STATUS_WAKE 0
  209. #define STA_PS_STATUS_SLEEP 1
  210. struct iwl3945_ibss_seq {
  211. u8 mac[ETH_ALEN];
  212. u16 seq_num;
  213. u16 frag_num;
  214. unsigned long packet_time;
  215. struct list_head list;
  216. };
  217. /**
  218. * struct iwl3945_driver_hw_info
  219. * @max_txq_num: Max # Tx queues supported
  220. * @tx_cmd_len: Size of Tx command (but not including frame itself)
  221. * @tx_ant_num: Number of TX antennas
  222. * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
  223. * @rx_buf_size:
  224. * @max_pkt_size:
  225. * @max_rxq_log: Log-base-2 of max_rxq_size
  226. * @max_stations:
  227. * @bcast_sta_id:
  228. * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
  229. * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
  230. */
  231. struct iwl3945_driver_hw_info {
  232. u16 max_txq_num;
  233. u16 tx_cmd_len;
  234. u16 tx_ant_num;
  235. u16 max_rxq_size;
  236. u32 rx_buf_size;
  237. u32 max_pkt_size;
  238. u16 max_rxq_log;
  239. u8 max_stations;
  240. u8 bcast_sta_id;
  241. void *shared_virt;
  242. dma_addr_t shared_phys;
  243. };
  244. #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
  245. x->u.rx_frame.stats.payload + \
  246. x->u.rx_frame.stats.phy_count))
  247. #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
  248. IWL_RX_HDR(x)->payload + \
  249. le16_to_cpu(IWL_RX_HDR(x)->len)))
  250. #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
  251. #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
  252. /******************************************************************************
  253. *
  254. * Functions implemented in iwl-base.c which are forward declared here
  255. * for use by iwl-*.c
  256. *
  257. *****************************************************************************/
  258. struct iwl3945_addsta_cmd;
  259. extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
  260. struct iwl3945_addsta_cmd *sta, u8 flags);
  261. extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
  262. int is_ap, u8 flags);
  263. extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
  264. extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
  265. extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
  266. extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
  267. struct iwl_rx_queue *rxq);
  268. extern int iwl3945_calc_db_from_ratio(int sig_ratio);
  269. extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
  270. extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
  271. struct iwl3945_tx_queue *txq, int count, u32 id);
  272. extern void iwl3945_rx_replenish(void *data);
  273. extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
  274. extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
  275. const void *data);
  276. extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
  277. struct iwl3945_host_cmd *cmd);
  278. extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
  279. struct ieee80211_hdr *hdr,int left);
  280. extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
  281. struct iwl_rx_queue *q);
  282. extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
  283. extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
  284. u32 decrypt_res,
  285. struct ieee80211_rx_status *stats);
  286. /*
  287. * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
  288. * call this... todo... fix that.
  289. */
  290. extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
  291. u16 tx_rate, u8 flags);
  292. /******************************************************************************
  293. *
  294. * Functions implemented in iwl-[34]*.c which are forward declared here
  295. * for use by iwl-base.c
  296. *
  297. * NOTE: The implementation of these functions are hardware specific
  298. * which is why they are in the hardware specific files (vs. iwl-base.c)
  299. *
  300. * Naming convention --
  301. * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_)
  302. * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
  303. * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
  304. * iwl3945_bg_ <-- Called from work queue context
  305. * iwl3945_mac_ <-- mac80211 callback
  306. *
  307. ****************************************************************************/
  308. extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
  309. extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
  310. extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
  311. extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
  312. extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
  313. extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
  314. extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
  315. extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
  316. extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
  317. extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
  318. extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
  319. dma_addr_t addr, u16 len);
  320. extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
  321. extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
  322. extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
  323. struct iwl3945_tx_queue *txq);
  324. extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
  325. struct iwl3945_frame *frame, u8 rate);
  326. extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
  327. extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
  328. struct iwl3945_cmd *cmd,
  329. struct ieee80211_tx_info *info,
  330. struct ieee80211_hdr *hdr,
  331. int sta_id, int tx_id);
  332. extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
  333. extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
  334. extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
  335. struct iwl_rx_mem_buffer *rxb);
  336. extern void iwl3945_disable_events(struct iwl3945_priv *priv);
  337. extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
  338. /**
  339. * iwl3945_hw_find_station - Find station id for a given BSSID
  340. * @bssid: MAC address of station ID to find
  341. *
  342. * NOTE: This should not be hardware specific but the code has
  343. * not yet been merged into a single common layer for managing the
  344. * station tables.
  345. */
  346. extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
  347. extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
  348. /*
  349. * Forward declare iwl-3945.c functions for iwl-base.c
  350. */
  351. extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
  352. extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
  353. extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
  354. extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
  355. extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
  356. u16 tx_rate, u8 flags);
  357. #ifdef CONFIG_IWL3945_RFKILL
  358. struct iwl3945_priv;
  359. void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv);
  360. void iwl3945_rfkill_unregister(struct iwl3945_priv *priv);
  361. int iwl3945_rfkill_init(struct iwl3945_priv *priv);
  362. #else
  363. static inline void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv) {}
  364. static inline void iwl3945_rfkill_unregister(struct iwl3945_priv *priv) {}
  365. static inline int iwl3945_rfkill_init(struct iwl3945_priv *priv) { return 0; }
  366. #endif
  367. struct iwl3945_priv {
  368. /* ieee device used by generic ieee processing code */
  369. struct ieee80211_hw *hw;
  370. struct ieee80211_channel *ieee_channels;
  371. struct ieee80211_rate *ieee_rates;
  372. struct iwl_cfg *cfg; /* device configuration */
  373. /* temporary frame storage list */
  374. struct list_head free_frames;
  375. int frames_count;
  376. enum ieee80211_band band;
  377. int alloc_rxb_skb;
  378. void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
  379. struct iwl_rx_mem_buffer *rxb);
  380. struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
  381. #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
  382. /* spectrum measurement report caching */
  383. struct iwl_spectrum_notification measure_report;
  384. u8 measurement_status;
  385. #endif
  386. /* ucode beacon time */
  387. u32 ucode_beacon_time;
  388. /* we allocate array of iwl3945_channel_info for NIC's valid channels.
  389. * Access via channel # using indirect index array */
  390. struct iwl_channel_info *channel_info; /* channel info array */
  391. u8 channel_count; /* # of channels */
  392. /* each calibration channel group in the EEPROM has a derived
  393. * clip setting for each rate. */
  394. const struct iwl3945_clip_group clip_groups[5];
  395. /* thermal calibration */
  396. s32 temperature; /* degrees Kelvin */
  397. s32 last_temperature;
  398. /* Scan related variables */
  399. unsigned long last_scan_jiffies;
  400. unsigned long next_scan_jiffies;
  401. unsigned long scan_start;
  402. unsigned long scan_pass_start;
  403. unsigned long scan_start_tsf;
  404. int scan_bands;
  405. int one_direct_scan;
  406. u8 direct_ssid_len;
  407. u8 direct_ssid[IW_ESSID_MAX_SIZE];
  408. struct iwl3945_scan_cmd *scan;
  409. /* spinlock */
  410. spinlock_t lock; /* protect general shared data */
  411. spinlock_t hcmd_lock; /* protect hcmd */
  412. struct mutex mutex;
  413. /* basic pci-network driver stuff */
  414. struct pci_dev *pci_dev;
  415. /* pci hardware address support */
  416. void __iomem *hw_base;
  417. /* uCode images, save to reload in case of failure */
  418. u32 ucode_ver; /* ucode version, copy of
  419. iwl_ucode.ver */
  420. struct fw_desc ucode_code; /* runtime inst */
  421. struct fw_desc ucode_data; /* runtime data original */
  422. struct fw_desc ucode_data_backup; /* runtime data save/restore */
  423. struct fw_desc ucode_init; /* initialization inst */
  424. struct fw_desc ucode_init_data; /* initialization data */
  425. struct fw_desc ucode_boot; /* bootstrap inst */
  426. struct iwl_rxon_time_cmd rxon_timing;
  427. /* We declare this const so it can only be
  428. * changed via explicit cast within the
  429. * routines that actually update the physical
  430. * hardware */
  431. const struct iwl3945_rxon_cmd active_rxon;
  432. struct iwl3945_rxon_cmd staging_rxon;
  433. int error_recovering;
  434. struct iwl3945_rxon_cmd recovery_rxon;
  435. /* 1st responses from initialize and runtime uCode images.
  436. * 4965's initialize alive response contains some calibration data. */
  437. /* FIXME: 4965 uses bigger structure for init */
  438. struct iwl_alive_resp card_alive_init;
  439. struct iwl_alive_resp card_alive;
  440. #ifdef CONFIG_IWL3945_RFKILL
  441. struct rfkill *rfkill;
  442. #endif
  443. #ifdef CONFIG_IWL3945_LEDS
  444. struct iwl3945_led led[IWL_LED_TRG_MAX];
  445. unsigned long last_blink_time;
  446. u8 last_blink_rate;
  447. u8 allow_blinking;
  448. unsigned int rxtxpackets;
  449. u64 led_tpt;
  450. #endif
  451. u16 active_rate;
  452. u16 active_rate_basic;
  453. u32 sta_supp_rates;
  454. u8 call_post_assoc_from_beacon;
  455. /* Rate scaling data */
  456. s8 data_retry_limit;
  457. u8 retry_rate;
  458. wait_queue_head_t wait_command_queue;
  459. int activity_timer_active;
  460. /* Rx and Tx DMA processing queues */
  461. struct iwl_rx_queue rxq;
  462. struct iwl3945_tx_queue txq[IWL39_MAX_NUM_QUEUES];
  463. unsigned long status;
  464. int last_rx_rssi; /* From Rx packet statisitics */
  465. int last_rx_noise; /* From beacon statistics */
  466. struct iwl3945_power_mgr power_data;
  467. struct iwl3945_notif_statistics statistics;
  468. unsigned long last_statistics_time;
  469. /* context information */
  470. u16 rates_mask;
  471. u32 power_mode;
  472. u32 antenna;
  473. u8 bssid[ETH_ALEN];
  474. u16 rts_threshold;
  475. u8 mac_addr[ETH_ALEN];
  476. /*station table variables */
  477. spinlock_t sta_lock;
  478. int num_stations;
  479. struct iwl3945_station_entry stations[IWL_STATION_COUNT];
  480. /* Indication if ieee80211_ops->open has been called */
  481. u8 is_open;
  482. u8 mac80211_registered;
  483. /* Rx'd packet timing information */
  484. u32 last_beacon_time;
  485. u64 last_tsf;
  486. /* eeprom */
  487. struct iwl3945_eeprom eeprom;
  488. enum nl80211_iftype iw_mode;
  489. struct sk_buff *ibss_beacon;
  490. /* Last Rx'd beacon timestamp */
  491. u64 timestamp;
  492. u16 beacon_int;
  493. struct iwl3945_driver_hw_info hw_setting;
  494. struct ieee80211_vif *vif;
  495. /* Current association information needed to configure the
  496. * hardware */
  497. u16 assoc_id;
  498. u16 assoc_capability;
  499. u8 ps_mode;
  500. struct iwl_qos_info qos_data;
  501. struct workqueue_struct *workqueue;
  502. struct work_struct up;
  503. struct work_struct restart;
  504. struct work_struct calibrated_work;
  505. struct work_struct scan_completed;
  506. struct work_struct rx_replenish;
  507. struct work_struct rf_kill;
  508. struct work_struct abort_scan;
  509. struct work_struct update_link_led;
  510. struct work_struct auth_work;
  511. struct work_struct report_work;
  512. struct work_struct request_scan;
  513. struct work_struct beacon_update;
  514. struct tasklet_struct irq_tasklet;
  515. struct delayed_work init_alive_start;
  516. struct delayed_work alive_start;
  517. struct delayed_work activity_timer;
  518. struct delayed_work thermal_periodic;
  519. struct delayed_work gather_stats;
  520. struct delayed_work scan_check;
  521. #define IWL_DEFAULT_TX_POWER 0x0F
  522. s8 user_txpower_limit;
  523. s8 max_channel_txpower_limit;
  524. #ifdef CONFIG_IWL3945_DEBUG
  525. /* debugging info */
  526. u32 debug_level;
  527. u32 framecnt_to_us;
  528. atomic_t restrict_refcnt;
  529. #endif
  530. }; /*iwl3945_priv */
  531. static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
  532. {
  533. return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
  534. }
  535. extern const struct iwl_channel_info *iwl3945_get_channel_info(
  536. const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
  537. extern int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate);
  538. /* Requires full declaration of iwl3945_priv before including */
  539. #include "iwl-3945-io.h"
  540. #endif