iwl-dev.h revision f53696de6722a4aac00b76e25a5321c01e88a55f
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 * James P. Ketrenos <ipw2100-admin@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-dev.h) for driver implementation definitions. 28 * Please use iwl-commands.h for uCode API definitions. 29 * Please use iwl-4965-hw.h for hardware-related definitions. 30 */ 31 32#ifndef __iwl_4965_h__ 33#define __iwl_4965_h__ 34 35#include <linux/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <net/ieee80211_radiotap.h> 38 39#define DRV_NAME "iwl4965" 40#include "iwl-rfkill.h" 41#include "iwl-eeprom.h" 42#include "iwl-4965-hw.h" 43#include "iwl-csr.h" 44#include "iwl-prph.h" 45#include "iwl-debug.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48 49/* configuration for the iwl4965 */ 50extern struct iwl_cfg iwl4965_agn_cfg; 51extern struct iwl_cfg iwl5300_agn_cfg; 52extern struct iwl_cfg iwl5100_agn_cfg; 53extern struct iwl_cfg iwl5350_agn_cfg; 54 55/* Change firmware file name, using "-" and incrementing number, 56 * *only* when uCode interface or architecture changes so that it 57 * is not compatible with earlier drivers. 58 * This number will also appear in << 8 position of 1st dword of uCode file */ 59#define IWL4965_UCODE_API "-1" 60 61/* CT-KILL constants */ 62#define CT_KILL_THRESHOLD 110 /* in Celsius */ 63 64/* Default noise level to report when noise measurement is not available. 65 * This may be because we're: 66 * 1) Not associated (4965, no beacon statistics being sent to driver) 67 * 2) Scanning (noise measurement does not apply to associated channel) 68 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 69 * Use default noise value of -127 ... this is below the range of measurable 70 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 71 * Also, -127 works better than 0 when averaging frames with/without 72 * noise info (e.g. averaging might be done in app); measured dBm values are 73 * always negative ... using a negative value as the default keeps all 74 * averages within an s8's (used in some apps) range of negative values. */ 75#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 76 77/* 78 * RTS threshold here is total size [2347] minus 4 FCS bytes 79 * Per spec: 80 * a value of 0 means RTS on all data/management packets 81 * a value > max MSDU size means no RTS 82 * else RTS for data/management frames where MPDU is larger 83 * than RTS value. 84 */ 85#define DEFAULT_RTS_THRESHOLD 2347U 86#define MIN_RTS_THRESHOLD 0U 87#define MAX_RTS_THRESHOLD 2347U 88#define MAX_MSDU_SIZE 2304U 89#define MAX_MPDU_SIZE 2346U 90#define DEFAULT_BEACON_INTERVAL 100U 91#define DEFAULT_SHORT_RETRY_LIMIT 7U 92#define DEFAULT_LONG_RETRY_LIMIT 4U 93 94struct iwl_rx_mem_buffer { 95 dma_addr_t dma_addr; 96 struct sk_buff *skb; 97 struct list_head list; 98}; 99 100/* 101 * Generic queue structure 102 * 103 * Contains common data for Rx and Tx queues 104 */ 105struct iwl_queue { 106 int n_bd; /* number of BDs in this queue */ 107 int write_ptr; /* 1-st empty entry (index) host_w*/ 108 int read_ptr; /* last used entry (index) host_r*/ 109 dma_addr_t dma_addr; /* physical addr for BD's */ 110 int n_window; /* safe queue window */ 111 u32 id; 112 int low_mark; /* low watermark, resume queue if free 113 * space more than this */ 114 int high_mark; /* high watermark, stop queue if free 115 * space less than this */ 116} __attribute__ ((packed)); 117 118#define MAX_NUM_OF_TBS (20) 119 120/* One for each TFD */ 121struct iwl_tx_info { 122 struct sk_buff *skb[MAX_NUM_OF_TBS]; 123}; 124 125/** 126 * struct iwl_tx_queue - Tx Queue for DMA 127 * @q: generic Rx/Tx queue descriptor 128 * @bd: base of circular buffer of TFDs 129 * @cmd: array of command/Tx buffers 130 * @dma_addr_cmd: physical address of cmd/tx buffer array 131 * @txb: array of per-TFD driver data 132 * @need_update: indicates need to update read/write index 133 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 134 * 135 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 136 * descriptors) and required locking structures. 137 */ 138struct iwl_tx_queue { 139 struct iwl_queue q; 140 struct iwl_tfd_frame *bd; 141 struct iwl_cmd *cmd; 142 dma_addr_t dma_addr_cmd; 143 struct iwl_tx_info *txb; 144 int need_update; 145 int sched_retry; 146 int active; 147}; 148 149#define IWL_NUM_SCAN_RATES (2) 150 151struct iwl4965_channel_tgd_info { 152 u8 type; 153 s8 max_power; 154}; 155 156struct iwl4965_channel_tgh_info { 157 s64 last_radar_time; 158}; 159 160/* 161 * One for each channel, holds all channel setup data 162 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 163 * with one another! 164 */ 165struct iwl_channel_info { 166 struct iwl4965_channel_tgd_info tgd; 167 struct iwl4965_channel_tgh_info tgh; 168 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 169 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for 170 * FAT channel */ 171 172 u8 channel; /* channel number */ 173 u8 flags; /* flags copied from EEPROM */ 174 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 175 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 176 s8 min_power; /* always 0 */ 177 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 178 179 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 180 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 181 enum ieee80211_band band; 182 183 /* FAT channel info */ 184 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 185 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ 186 s8 fat_min_power; /* always 0 */ 187 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */ 188 u8 fat_flags; /* flags copied from EEPROM */ 189 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 190}; 191 192struct iwl4965_clip_group { 193 /* maximum power level to prevent clipping for each rate, derived by 194 * us from this band's saturation power in EEPROM */ 195 const s8 clip_powers[IWL_MAX_RATES]; 196}; 197 198#include "iwl-4965-rs.h" 199 200#define IWL_TX_FIFO_AC0 0 201#define IWL_TX_FIFO_AC1 1 202#define IWL_TX_FIFO_AC2 2 203#define IWL_TX_FIFO_AC3 3 204#define IWL_TX_FIFO_HCCA_1 5 205#define IWL_TX_FIFO_HCCA_2 6 206#define IWL_TX_FIFO_NONE 7 207 208/* Minimum number of queues. MAX_NUM is defined in hw specific files */ 209#define IWL_MIN_NUM_QUEUES 4 210 211/* Power management (not Tx power) structures */ 212 213enum iwl_pwr_src { 214 IWL_PWR_SRC_VMAIN, 215 IWL_PWR_SRC_VAUX, 216}; 217 218#define IEEE80211_DATA_LEN 2304 219#define IEEE80211_4ADDR_LEN 30 220#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 221#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 222 223struct iwl_frame { 224 union { 225 struct ieee80211_hdr frame; 226 struct iwl4965_tx_beacon_cmd beacon; 227 u8 raw[IEEE80211_FRAME_LEN]; 228 u8 cmd[360]; 229 } u; 230 struct list_head list; 231}; 232 233#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) 234#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) 235#define SEQ_TO_INDEX(x) ((u8)(x & 0xff)) 236#define INDEX_TO_SEQ(x) ((u8)(x & 0xff)) 237#define SEQ_HUGE_FRAME (0x4000) 238#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) 239#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 240#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 241#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 242 243enum { 244 /* CMD_SIZE_NORMAL = 0, */ 245 CMD_SIZE_HUGE = (1 << 0), 246 /* CMD_SYNC = 0, */ 247 CMD_ASYNC = (1 << 1), 248 /* CMD_NO_SKB = 0, */ 249 CMD_WANT_SKB = (1 << 2), 250}; 251 252struct iwl_cmd; 253struct iwl_priv; 254 255struct iwl_cmd_meta { 256 struct iwl_cmd_meta *source; 257 union { 258 struct sk_buff *skb; 259 int (*callback)(struct iwl_priv *priv, 260 struct iwl_cmd *cmd, struct sk_buff *skb); 261 } __attribute__ ((packed)) u; 262 263 /* The CMD_SIZE_HUGE flag bit indicates that the command 264 * structure is stored at the end of the shared queue memory. */ 265 u32 flags; 266 267} __attribute__ ((packed)); 268 269#define IWL_CMD_MAX_PAYLOAD 320 270 271/** 272 * struct iwl_cmd 273 * 274 * For allocation of the command and tx queues, this establishes the overall 275 * size of the largest command we send to uCode, except for a scan command 276 * (which is relatively huge; space is allocated separately). 277 */ 278struct iwl_cmd { 279 struct iwl_cmd_meta meta; /* driver data */ 280 struct iwl_cmd_header hdr; /* uCode API */ 281 union { 282 struct iwl_addsta_cmd addsta; 283 struct iwl4965_led_cmd led; 284 u32 flags; 285 u8 val8; 286 u16 val16; 287 u32 val32; 288 struct iwl4965_bt_cmd bt; 289 struct iwl4965_rxon_time_cmd rxon_time; 290 struct iwl4965_powertable_cmd powertable; 291 struct iwl4965_qosparam_cmd qosparam; 292 struct iwl_tx_cmd tx; 293 struct iwl4965_tx_beacon_cmd tx_beacon; 294 struct iwl4965_rxon_assoc_cmd rxon_assoc; 295 struct iwl_rem_sta_cmd rm_sta; 296 u8 *indirect; 297 u8 payload[IWL_CMD_MAX_PAYLOAD]; 298 } __attribute__ ((packed)) cmd; 299} __attribute__ ((packed)); 300 301struct iwl_host_cmd { 302 u8 id; 303 u16 len; 304 struct iwl_cmd_meta meta; 305 const void *data; 306}; 307 308#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ 309 sizeof(struct iwl_cmd_meta)) 310 311/* 312 * RX related structures and functions 313 */ 314#define RX_FREE_BUFFERS 64 315#define RX_LOW_WATERMARK 8 316 317#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 318#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 319#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 320 321/** 322 * struct iwl_rx_queue - Rx queue 323 * @processed: Internal index to last handled Rx packet 324 * @read: Shared index to newest available Rx buffer 325 * @write: Shared index to oldest written Rx packet 326 * @free_count: Number of pre-allocated buffers in rx_free 327 * @rx_free: list of free SKBs for use 328 * @rx_used: List of Rx buffers with no SKB 329 * @need_update: flag to indicate we need to update read/write index 330 * 331 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 332 */ 333struct iwl_rx_queue { 334 __le32 *bd; 335 dma_addr_t dma_addr; 336 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 337 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 338 u32 processed; 339 u32 read; 340 u32 write; 341 u32 free_count; 342 struct list_head rx_free; 343 struct list_head rx_used; 344 int need_update; 345 spinlock_t lock; 346}; 347 348#define IWL_SUPPORTED_RATES_IE_LEN 8 349 350#define SCAN_INTERVAL 100 351 352#define MAX_A_CHANNELS 252 353#define MIN_A_CHANNELS 7 354 355#define MAX_B_CHANNELS 14 356#define MIN_B_CHANNELS 1 357 358#define MAX_TID_COUNT 9 359 360#define IWL_INVALID_RATE 0xFF 361#define IWL_INVALID_VALUE -1 362 363/** 364 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 365 * @txq_id: Tx queue used for Tx attempt 366 * @frame_count: # frames attempted by Tx command 367 * @wait_for_ba: Expect block-ack before next Tx reply 368 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 369 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 370 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 371 * @rate_n_flags: Rate at which Tx was attempted 372 * 373 * If REPLY_TX indicates that aggregation was attempted, driver must wait 374 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 375 * until block ack arrives. 376 */ 377struct iwl_ht_agg { 378 u16 txq_id; 379 u16 frame_count; 380 u16 wait_for_ba; 381 u16 start_idx; 382 u64 bitmap; 383 u32 rate_n_flags; 384#define IWL_AGG_OFF 0 385#define IWL_AGG_ON 1 386#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 387#define IWL_EMPTYING_HW_QUEUE_DELBA 3 388 u8 state; 389}; 390 391 392struct iwl_tid_data { 393 u16 seq_number; 394 u16 tfds_in_queue; 395 struct iwl_ht_agg agg; 396}; 397 398struct iwl_hw_key { 399 enum ieee80211_key_alg alg; 400 int keylen; 401 u8 keyidx; 402 u8 key[32]; 403}; 404 405union iwl4965_ht_rate_supp { 406 u16 rates; 407 struct { 408 u8 siso_rate; 409 u8 mimo_rate; 410 }; 411}; 412 413#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 414#define CFG_HT_MPDU_DENSITY_2USEC (0x5) 415#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC 416 417struct iwl_ht_info { 418 /* self configuration data */ 419 u8 is_ht; 420 u8 supported_chan_width; 421 u16 tx_mimo_ps_mode; 422 u8 is_green_field; 423 u8 sgf; /* HT_SHORT_GI_* short guard interval */ 424 u8 max_amsdu_size; 425 u8 ampdu_factor; 426 u8 mpdu_density; 427 u8 supp_mcs_set[16]; 428 /* BSS related data */ 429 u8 control_channel; 430 u8 extension_chan_offset; 431 u8 tx_chan_width; 432 u8 ht_protection; 433 u8 non_GF_STA_present; 434}; 435 436union iwl4965_qos_capabity { 437 struct { 438 u8 edca_count:4; /* bit 0-3 */ 439 u8 q_ack:1; /* bit 4 */ 440 u8 queue_request:1; /* bit 5 */ 441 u8 txop_request:1; /* bit 6 */ 442 u8 reserved:1; /* bit 7 */ 443 } q_AP; 444 struct { 445 u8 acvo_APSD:1; /* bit 0 */ 446 u8 acvi_APSD:1; /* bit 1 */ 447 u8 ac_bk_APSD:1; /* bit 2 */ 448 u8 ac_be_APSD:1; /* bit 3 */ 449 u8 q_ack:1; /* bit 4 */ 450 u8 max_len:2; /* bit 5-6 */ 451 u8 more_data_ack:1; /* bit 7 */ 452 } q_STA; 453 u8 val; 454}; 455 456/* QoS structures */ 457struct iwl4965_qos_info { 458 int qos_enable; 459 int qos_active; 460 union iwl4965_qos_capabity qos_cap; 461 struct iwl4965_qosparam_cmd def_qos_parm; 462}; 463 464#define STA_PS_STATUS_WAKE 0 465#define STA_PS_STATUS_SLEEP 1 466 467struct iwl_station_entry { 468 struct iwl_addsta_cmd sta; 469 struct iwl_tid_data tid[MAX_TID_COUNT]; 470 u8 used; 471 u8 ps_status; 472 struct iwl_hw_key keyinfo; 473}; 474 475/* one for each uCode image (inst/data, boot/init/runtime) */ 476struct fw_desc { 477 void *v_addr; /* access by driver */ 478 dma_addr_t p_addr; /* access by card's busmaster DMA */ 479 u32 len; /* bytes */ 480}; 481 482/* uCode file layout */ 483struct iwl4965_ucode { 484 __le32 ver; /* major/minor/subminor */ 485 __le32 inst_size; /* bytes of runtime instructions */ 486 __le32 data_size; /* bytes of runtime data */ 487 __le32 init_size; /* bytes of initialization instructions */ 488 __le32 init_data_size; /* bytes of initialization data */ 489 __le32 boot_size; /* bytes of bootstrap instructions */ 490 u8 data[0]; /* data in same order as "size" elements */ 491}; 492 493#define IWL_IBSS_MAC_HASH_SIZE 32 494 495struct iwl4965_ibss_seq { 496 u8 mac[ETH_ALEN]; 497 u16 seq_num; 498 u16 frag_num; 499 unsigned long packet_time; 500 struct list_head list; 501}; 502 503struct iwl_sensitivity_ranges { 504 u16 min_nrg_cck; 505 u16 max_nrg_cck; 506 507 u16 nrg_th_cck; 508 u16 nrg_th_ofdm; 509 510 u16 auto_corr_min_ofdm; 511 u16 auto_corr_min_ofdm_mrc; 512 u16 auto_corr_min_ofdm_x1; 513 u16 auto_corr_min_ofdm_mrc_x1; 514 515 u16 auto_corr_max_ofdm; 516 u16 auto_corr_max_ofdm_mrc; 517 u16 auto_corr_max_ofdm_x1; 518 u16 auto_corr_max_ofdm_mrc_x1; 519 520 u16 auto_corr_max_cck; 521 u16 auto_corr_max_cck_mrc; 522 u16 auto_corr_min_cck; 523 u16 auto_corr_min_cck_mrc; 524}; 525 526 527#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ) 528 529/** 530 * struct iwl_hw_params 531 * @max_txq_num: Max # Tx queues supported 532 * @tx/rx_chains_num: Number of TX/RX chains 533 * @valid_tx/rx_ant: usable antennas 534 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 535 * @max_rxq_log: Log-base-2 of max_rxq_size 536 * @rx_buf_size: Rx buffer size 537 * @max_stations: 538 * @bcast_sta_id: 539 * @fat_channel: is 40MHz width possible in band 2.4 540 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 541 * @sw_crypto: 0 for hw, 1 for sw 542 * @max_xxx_size: for ucode uses 543 * @ct_kill_threshold: temperature threshold 544 * @struct iwl_sensitivity_ranges: range of sensitivity values 545 * @first_ampdu_q: first HW queue available for ampdu 546 */ 547struct iwl_hw_params { 548 u16 max_txq_num; 549 u8 tx_chains_num; 550 u8 rx_chains_num; 551 u8 valid_tx_ant; 552 u8 valid_rx_ant; 553 u16 max_rxq_size; 554 u16 max_rxq_log; 555 u32 rx_buf_size; 556 u32 max_pkt_size; 557 u8 max_stations; 558 u8 bcast_sta_id; 559 u8 fat_channel; 560 u8 sw_crypto; 561 u32 max_inst_size; 562 u32 max_data_size; 563 u32 max_bsm_size; 564 u32 ct_kill_threshold; /* value in hw-dependent units */ 565 const struct iwl_sensitivity_ranges *sens; 566 u8 first_ampdu_q; 567}; 568 569#define HT_SHORT_GI_20MHZ (1 << 0) 570#define HT_SHORT_GI_40MHZ (1 << 1) 571 572 573#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\ 574 x->u.rx_frame.stats.payload + \ 575 x->u.rx_frame.stats.phy_count)) 576#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\ 577 IWL_RX_HDR(x)->payload + \ 578 le16_to_cpu(IWL_RX_HDR(x)->len))) 579#define IWL_RX_STATS(x) (&x->u.rx_frame.stats) 580#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) 581 582 583/****************************************************************************** 584 * 585 * Functions implemented in iwl-base.c which are forward declared here 586 * for use by iwl-*.c 587 * 588 *****************************************************************************/ 589struct iwl_addsta_cmd; 590extern int iwl_send_add_sta(struct iwl_priv *priv, 591 struct iwl_addsta_cmd *sta, u8 flags); 592u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap, 593 u8 flags, struct ieee80211_ht_info *ht_info); 594extern int iwl4965_is_network_packet(struct iwl_priv *priv, 595 struct ieee80211_hdr *header); 596extern int iwl4965_power_init_handle(struct iwl_priv *priv); 597extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv, 598 struct iwl_rx_mem_buffer *rxb, 599 void *data, short len, 600 struct ieee80211_rx_status *stats, 601 u16 phy_flags); 602extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv, 603 struct ieee80211_hdr *header); 604extern int iwl4965_calc_db_from_ratio(int sig_ratio); 605extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm); 606extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv, 607 struct ieee80211_hdr *hdr, 608 const u8 *dest, int left); 609extern void iwl4965_update_chain_flags(struct iwl_priv *priv); 610int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 611 612int iwl4965_init_geos(struct iwl_priv *priv); 613void iwl4965_free_geos(struct iwl_priv *priv); 614 615extern const u8 iwl_bcast_addr[ETH_ALEN]; 616int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 617 618/* 619 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't 620 * call this... todo... fix that. 621*/ 622extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id, 623 u16 tx_rate, u8 flags); 624 625/****************************************************************************** 626 * 627 * Functions implemented in iwl-[34]*.c which are forward declared here 628 * for use by iwl-base.c 629 * 630 * NOTE: The implementation of these functions are hardware specific 631 * which is why they are in the hardware specific files (vs. iwl-base.c) 632 * 633 * Naming convention -- 634 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_) 635 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) 636 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 637 * iwl4965_bg_ <-- Called from work queue context 638 * iwl4965_mac_ <-- mac80211 callback 639 * 640 ****************************************************************************/ 641extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv); 642extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv); 643extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv); 644extern int iwl_rxq_stop(struct iwl_priv *priv); 645extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 646extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); 647extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, 648 struct iwl_frame *frame, u8 rate); 649extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, 650 struct iwl_cmd *cmd, 651 struct ieee80211_tx_info *info, 652 struct ieee80211_hdr *hdr, 653 int sta_id, int tx_id); 654extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv, 655 struct iwl_rx_mem_buffer *rxb); 656extern void iwl4965_disable_events(struct iwl_priv *priv); 657extern int iwl4965_get_temperature(const struct iwl_priv *priv); 658extern void iwl4965_rx_reply_rx(struct iwl_priv *priv, 659 struct iwl_rx_mem_buffer *rxb); 660 661/** 662 * iwl_find_station - Find station id for a given BSSID 663 * @bssid: MAC address of station ID to find 664 * 665 * NOTE: This should not be hardware specific but the code has 666 * not yet been merged into a single common layer for managing the 667 * station tables. 668 */ 669extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); 670 671extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); 672extern int iwl_queue_space(const struct iwl_queue *q); 673static inline int iwl_queue_used(const struct iwl_queue *q, int i) 674{ 675 return q->write_ptr > q->read_ptr ? 676 (i >= q->read_ptr && i < q->write_ptr) : 677 !(i < q->read_ptr && i >= q->write_ptr); 678} 679 680 681static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 682{ 683 /* This is for scan command, the big buffer at end of command array */ 684 if (is_huge) 685 return q->n_window; /* must be power of 2 */ 686 687 /* Otherwise, use normal size buffers */ 688 return index & (q->n_window - 1); 689} 690 691 692struct iwl_priv; 693 694extern int iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio); 695/* 696 * Forward declare iwl-4965.c functions for iwl-base.c 697 */ 698extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv, 699 struct iwl_tx_queue *txq, 700 u16 byte_cnt); 701extern int iwl4965_alive_notify(struct iwl_priv *priv); 702extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); 703extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); 704 705extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv, 706 struct ieee80211_ht_info *ht_info, 707 enum ieee80211_band band); 708int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, 709 enum ieee80211_ampdu_mlme_action action, 710 const u8 *addr, u16 tid, u16 *ssn); 711int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, 712 u8 tid, int txq_id); 713 714/* Structures, enum, and defines specific to the 4965 */ 715 716#define IWL_KW_SIZE 0x1000 /*4k */ 717 718struct iwl_kw { 719 dma_addr_t dma_addr; 720 void *v_addr; 721 size_t size; 722}; 723 724#define IWL_CHANNEL_WIDTH_20MHZ 0 725#define IWL_CHANNEL_WIDTH_40MHZ 1 726 727#define IWL_MIMO_PS_STATIC 0 728#define IWL_MIMO_PS_NONE 3 729#define IWL_MIMO_PS_DYNAMIC 1 730#define IWL_MIMO_PS_INVALID 2 731 732#define IWL_OPERATION_MODE_AUTO 0 733#define IWL_OPERATION_MODE_HT_ONLY 1 734#define IWL_OPERATION_MODE_MIXED 2 735#define IWL_OPERATION_MODE_20MHZ 3 736 737#define IWL_TX_CRC_SIZE 4 738#define IWL_TX_DELIMITER_SIZE 4 739 740#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 741 742struct iwl4965_lq_mngr { 743 spinlock_t lock; 744 s32 max_window_size; 745 s32 *expected_tpt; 746 u8 *next_higher_rate; 747 u8 *next_lower_rate; 748 unsigned long stamp; 749 unsigned long stamp_last; 750 u32 flush_time; 751 u32 tx_packets; 752 u8 lq_ready; 753}; 754 755/* Sensitivity and chain noise calibration */ 756#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) 757#define INITIALIZATION_VALUE 0xFFFF 758#define CAL_NUM_OF_BEACONS 20 759#define MAXIMUM_ALLOWED_PATHLOSS 15 760 761#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 762 763#define MAX_FA_OFDM 50 764#define MIN_FA_OFDM 5 765#define MAX_FA_CCK 50 766#define MIN_FA_CCK 5 767 768#define AUTO_CORR_STEP_OFDM 1 769 770#define AUTO_CORR_STEP_CCK 3 771#define AUTO_CORR_MAX_TH_CCK 160 772 773#define NRG_DIFF 2 774#define NRG_STEP_CCK 2 775#define NRG_MARGIN 8 776#define MAX_NUMBER_CCK_NO_FA 100 777 778#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 779 780#define CHAIN_A 0 781#define CHAIN_B 1 782#define CHAIN_C 2 783#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 784#define ALL_BAND_FILTER 0xFF00 785#define IN_BAND_FILTER 0xFF 786#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 787 788#define NRG_NUM_PREV_STAT_L 20 789#define NUM_RX_CHAINS 3 790 791enum iwl4965_false_alarm_state { 792 IWL_FA_TOO_MANY = 0, 793 IWL_FA_TOO_FEW = 1, 794 IWL_FA_GOOD_RANGE = 2, 795}; 796 797enum iwl4965_chain_noise_state { 798 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 799 IWL_CHAIN_NOISE_ACCUMULATE = 1, 800 IWL_CHAIN_NOISE_CALIBRATED = 2, 801}; 802 803enum iwl4965_calib_enabled_state { 804 IWL_CALIB_DISABLED = 0, /* must be 0 */ 805 IWL_CALIB_ENABLED = 1, 806}; 807 808struct statistics_general_data { 809 u32 beacon_silence_rssi_a; 810 u32 beacon_silence_rssi_b; 811 u32 beacon_silence_rssi_c; 812 u32 beacon_energy_a; 813 u32 beacon_energy_b; 814 u32 beacon_energy_c; 815}; 816 817struct iwl_calib_results { 818 void *tx_iq_res; 819 void *tx_iq_perd_res; 820 void *lo_res; 821 u32 tx_iq_res_len; 822 u32 tx_iq_perd_res_len; 823 u32 lo_res_len; 824}; 825 826enum ucode_type { 827 UCODE_NONE = 0, 828 UCODE_INIT, 829 UCODE_RT 830}; 831 832/* Sensitivity calib data */ 833struct iwl_sensitivity_data { 834 u32 auto_corr_ofdm; 835 u32 auto_corr_ofdm_mrc; 836 u32 auto_corr_ofdm_x1; 837 u32 auto_corr_ofdm_mrc_x1; 838 u32 auto_corr_cck; 839 u32 auto_corr_cck_mrc; 840 841 u32 last_bad_plcp_cnt_ofdm; 842 u32 last_fa_cnt_ofdm; 843 u32 last_bad_plcp_cnt_cck; 844 u32 last_fa_cnt_cck; 845 846 u32 nrg_curr_state; 847 u32 nrg_prev_state; 848 u32 nrg_value[10]; 849 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 850 u32 nrg_silence_ref; 851 u32 nrg_energy_idx; 852 u32 nrg_silence_idx; 853 u32 nrg_th_cck; 854 s32 nrg_auto_corr_silence_diff; 855 u32 num_in_cck_no_fa; 856 u32 nrg_th_ofdm; 857}; 858 859/* Chain noise (differential Rx gain) calib data */ 860struct iwl_chain_noise_data { 861 u8 state; 862 u16 beacon_count; 863 u32 chain_noise_a; 864 u32 chain_noise_b; 865 u32 chain_noise_c; 866 u32 chain_signal_a; 867 u32 chain_signal_b; 868 u32 chain_signal_c; 869 u8 disconn_array[NUM_RX_CHAINS]; 870 u8 delta_gain_code[NUM_RX_CHAINS]; 871 u8 radio_write; 872}; 873 874#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 875#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 876 877 878#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT 879 880enum { 881 MEASUREMENT_READY = (1 << 0), 882 MEASUREMENT_ACTIVE = (1 << 1), 883}; 884 885#endif 886 887#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ 888 889struct iwl_priv { 890 891 /* ieee device used by generic ieee processing code */ 892 struct ieee80211_hw *hw; 893 struct ieee80211_channel *ieee_channels; 894 struct ieee80211_rate *ieee_rates; 895 struct iwl_cfg *cfg; 896 897 /* temporary frame storage list */ 898 struct list_head free_frames; 899 int frames_count; 900 901 enum ieee80211_band band; 902 int alloc_rxb_skb; 903 bool add_radiotap; 904 905 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 906 struct iwl_rx_mem_buffer *rxb); 907 908 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 909 910#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT 911 /* spectrum measurement report caching */ 912 struct iwl4965_spectrum_notification measure_report; 913 u8 measurement_status; 914#endif 915 /* ucode beacon time */ 916 u32 ucode_beacon_time; 917 918 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 919 * Access via channel # using indirect index array */ 920 struct iwl_channel_info *channel_info; /* channel info array */ 921 u8 channel_count; /* # of channels */ 922 923 /* each calibration channel group in the EEPROM has a derived 924 * clip setting for each rate. */ 925 const struct iwl4965_clip_group clip_groups[5]; 926 927 /* thermal calibration */ 928 s32 temperature; /* degrees Kelvin */ 929 s32 last_temperature; 930 931 /* init calibration results */ 932 struct iwl_calib_results calib_results; 933 934 /* Scan related variables */ 935 unsigned long last_scan_jiffies; 936 unsigned long next_scan_jiffies; 937 unsigned long scan_start; 938 unsigned long scan_pass_start; 939 unsigned long scan_start_tsf; 940 int scan_bands; 941 int one_direct_scan; 942 u8 direct_ssid_len; 943 u8 direct_ssid[IW_ESSID_MAX_SIZE]; 944 struct iwl_scan_cmd *scan; 945 u32 scan_tx_ant[IEEE80211_NUM_BANDS]; 946 947 /* spinlock */ 948 spinlock_t lock; /* protect general shared data */ 949 spinlock_t hcmd_lock; /* protect hcmd */ 950 struct mutex mutex; 951 952 /* basic pci-network driver stuff */ 953 struct pci_dev *pci_dev; 954 955 /* pci hardware address support */ 956 void __iomem *hw_base; 957 u32 hw_rev; 958 u32 hw_wa_rev; 959 u8 rev_id; 960 961 /* uCode images, save to reload in case of failure */ 962 struct fw_desc ucode_code; /* runtime inst */ 963 struct fw_desc ucode_data; /* runtime data original */ 964 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 965 struct fw_desc ucode_init; /* initialization inst */ 966 struct fw_desc ucode_init_data; /* initialization data */ 967 struct fw_desc ucode_boot; /* bootstrap inst */ 968 enum ucode_type ucode_type; 969 u8 ucode_write_complete; /* the image write is complete */ 970 971 972 struct iwl4965_rxon_time_cmd rxon_timing; 973 974 /* We declare this const so it can only be 975 * changed via explicit cast within the 976 * routines that actually update the physical 977 * hardware */ 978 const struct iwl_rxon_cmd active_rxon; 979 struct iwl_rxon_cmd staging_rxon; 980 981 int error_recovering; 982 struct iwl_rxon_cmd recovery_rxon; 983 984 /* 1st responses from initialize and runtime uCode images. 985 * 4965's initialize alive response contains some calibration data. */ 986 struct iwl_init_alive_resp card_alive_init; 987 struct iwl_alive_resp card_alive; 988#ifdef CONFIG_IWLWIFI_RFKILL 989 struct iwl_rfkill_mngr rfkill_mngr; 990#endif 991 992#ifdef CONFIG_IWLWIFI_LEDS 993 struct iwl4965_led led[IWL_LED_TRG_MAX]; 994 unsigned long last_blink_time; 995 u8 last_blink_rate; 996 u8 allow_blinking; 997 u64 led_tpt; 998#endif 999 1000 u16 active_rate; 1001 u16 active_rate_basic; 1002 1003 u8 assoc_station_added; 1004 u8 use_ant_b_for_management_frame; /* Tx antenna selection */ 1005 u8 start_calib; 1006 struct iwl_sensitivity_data sensitivity_data; 1007 struct iwl_chain_noise_data chain_noise_data; 1008 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1009 1010 struct iwl_ht_info current_ht_config; 1011 u8 last_phy_res[100]; 1012 1013 /* Rate scaling data */ 1014 struct iwl4965_lq_mngr lq_mngr; 1015 1016 /* Rate scaling data */ 1017 s8 data_retry_limit; 1018 u8 retry_rate; 1019 1020 wait_queue_head_t wait_command_queue; 1021 1022 int activity_timer_active; 1023 1024 /* Rx and Tx DMA processing queues */ 1025 struct iwl_rx_queue rxq; 1026 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES]; 1027 unsigned long txq_ctx_active_msk; 1028 struct iwl_kw kw; /* keep warm address */ 1029 u32 scd_base_addr; /* scheduler sram base address */ 1030 1031 unsigned long status; 1032 1033 int last_rx_rssi; /* From Rx packet statisitics */ 1034 int last_rx_noise; /* From beacon statistics */ 1035 1036 /* counts mgmt, ctl, and data packets */ 1037 struct traffic_stats { 1038 u32 cnt; 1039 u64 bytes; 1040 } tx_stats[3], rx_stats[3]; 1041 1042 struct iwl_power_mgr power_data; 1043 1044 struct iwl4965_notif_statistics statistics; 1045 unsigned long last_statistics_time; 1046 1047 /* context information */ 1048 u8 essid[IW_ESSID_MAX_SIZE]; 1049 u8 essid_len; 1050 u16 rates_mask; 1051 1052 u32 power_mode; 1053 u32 antenna; 1054 u8 bssid[ETH_ALEN]; 1055 u16 rts_threshold; 1056 u8 mac_addr[ETH_ALEN]; 1057 1058 /*station table variables */ 1059 spinlock_t sta_lock; 1060 int num_stations; 1061 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1062 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1063 u8 default_wep_key; 1064 u8 key_mapping_key; 1065 unsigned long ucode_key_table; 1066 1067 /* Indication if ieee80211_ops->open has been called */ 1068 u8 is_open; 1069 1070 u8 mac80211_registered; 1071 1072 /* Rx'd packet timing information */ 1073 u32 last_beacon_time; 1074 u64 last_tsf; 1075 1076 /* Duplicate packet detection */ 1077 u16 last_seq_num; 1078 u16 last_frag_num; 1079 unsigned long last_packet_time; 1080 1081 /* Hash table for finding stations in IBSS network */ 1082 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; 1083 1084 /* eeprom */ 1085 u8 *eeprom; 1086 struct iwl_eeprom_calib_info *calib_info; 1087 1088 enum ieee80211_if_types iw_mode; 1089 1090 struct sk_buff *ibss_beacon; 1091 1092 /* Last Rx'd beacon timestamp */ 1093 u64 timestamp; 1094 u16 beacon_int; 1095 struct ieee80211_vif *vif; 1096 1097 struct iwl_hw_params hw_params; 1098 /* driver/uCode shared Tx Byte Counts and Rx status */ 1099 void *shared_virt; 1100 int rb_closed_offset; 1101 /* Physical Pointer to Tx Byte Counts and Rx status */ 1102 dma_addr_t shared_phys; 1103 1104 /* Current association information needed to configure the 1105 * hardware */ 1106 u16 assoc_id; 1107 u16 assoc_capability; 1108 u8 ps_mode; 1109 1110 struct iwl4965_qos_info qos_data; 1111 1112 struct workqueue_struct *workqueue; 1113 1114 struct work_struct up; 1115 struct work_struct restart; 1116 struct work_struct calibrated_work; 1117 struct work_struct scan_completed; 1118 struct work_struct rx_replenish; 1119 struct work_struct rf_kill; 1120 struct work_struct abort_scan; 1121 struct work_struct update_link_led; 1122 struct work_struct auth_work; 1123 struct work_struct report_work; 1124 struct work_struct request_scan; 1125 struct work_struct beacon_update; 1126 struct work_struct set_monitor; 1127 1128 struct tasklet_struct irq_tasklet; 1129 1130 struct delayed_work init_alive_start; 1131 struct delayed_work alive_start; 1132 struct delayed_work scan_check; 1133 struct delayed_work post_associate; 1134 /* TX Power */ 1135 s8 tx_power_user_lmt; 1136 s8 tx_power_channel_lmt; 1137 1138#ifdef CONFIG_PM 1139 u32 pm_state[16]; 1140#endif 1141 1142#ifdef CONFIG_IWLWIFI_DEBUG 1143 /* debugging info */ 1144 u32 debug_level; 1145 u32 framecnt_to_us; 1146 atomic_t restrict_refcnt; 1147#ifdef CONFIG_IWLWIFI_DEBUGFS 1148 /* debugfs */ 1149 struct iwl_debugfs *dbgfs; 1150#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1151#endif /* CONFIG_IWLWIFI_DEBUG */ 1152 1153 struct work_struct txpower_work; 1154 u32 disable_sens_cal; 1155 u32 disable_chain_noise_cal; 1156 u32 disable_tx_power_cal; 1157 struct work_struct run_time_calib_work; 1158 struct timer_list statistics_periodic; 1159}; /*iwl_priv */ 1160 1161static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1162{ 1163 set_bit(txq_id, &priv->txq_ctx_active_msk); 1164} 1165 1166static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1167{ 1168 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1169} 1170 1171#ifdef CONFIG_IWLWIF_DEBUG 1172const char *iwl_get_tx_fail_reason(u32 status); 1173#else 1174static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1175#endif 1176 1177 1178static inline int iwl_get_ra_sta_id(struct iwl_priv *priv, 1179 struct ieee80211_hdr *hdr) 1180{ 1181 if (priv->iw_mode == IEEE80211_IF_TYPE_STA) { 1182 return IWL_AP_ID; 1183 } else { 1184 u8 *da = ieee80211_get_DA(hdr); 1185 return iwl_find_station(priv, da); 1186 } 1187} 1188 1189static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1190 int txq_id, int idx) 1191{ 1192 if (priv->txq[txq_id].txb[idx].skb[0]) 1193 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1194 txb[idx].skb[0]->data; 1195 return NULL; 1196} 1197 1198 1199static inline int iwl_is_associated(struct iwl_priv *priv) 1200{ 1201 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1202} 1203 1204static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1205{ 1206 if (ch_info == NULL) 1207 return 0; 1208 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1209} 1210 1211static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1212{ 1213 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1214} 1215 1216static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1217{ 1218 return ch_info->band == IEEE80211_BAND_5GHZ; 1219} 1220 1221static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1222{ 1223 return ch_info->band == IEEE80211_BAND_2GHZ; 1224} 1225 1226static inline int is_channel_passive(const struct iwl_channel_info *ch) 1227{ 1228 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1229} 1230 1231static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1232{ 1233 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1234} 1235 1236#ifdef CONFIG_IWLWIFI_DEBUG 1237static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, 1238 void *p, u32 len) 1239{ 1240 if (!(priv->debug_level & level)) 1241 return; 1242 1243 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, 1244 p, len, 1); 1245} 1246#else 1247static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, 1248 void *p, u32 len) 1249{ 1250} 1251#endif 1252 1253extern const struct iwl_channel_info *iwl_get_channel_info( 1254 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); 1255 1256/* Requires full declaration of iwl_priv before including */ 1257 1258#endif /* __iwl4965_4965_h__ */ 1259