iwl-dev.h revision 1053d35f4ed6876ad9d3a14cdae363db0a7e9b0a
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 iwl4965_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 iwl4965_tx_info { 122 struct ieee80211_tx_status status; 123 struct sk_buff *skb[MAX_NUM_OF_TBS]; 124}; 125 126/** 127 * struct iwl4965_tx_queue - Tx Queue for DMA 128 * @q: generic Rx/Tx queue descriptor 129 * @bd: base of circular buffer of TFDs 130 * @cmd: array of command/Tx buffers 131 * @dma_addr_cmd: physical address of cmd/tx buffer array 132 * @txb: array of per-TFD driver data 133 * @need_update: indicates need to update read/write index 134 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 135 * 136 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 137 * descriptors) and required locking structures. 138 */ 139struct iwl4965_tx_queue { 140 struct iwl4965_queue q; 141 struct iwl_tfd_frame *bd; 142 struct iwl_cmd *cmd; 143 dma_addr_t dma_addr_cmd; 144 struct iwl4965_tx_info *txb; 145 int need_update; 146 int sched_retry; 147 int active; 148}; 149 150#define IWL_NUM_SCAN_RATES (2) 151 152struct iwl4965_channel_tgd_info { 153 u8 type; 154 s8 max_power; 155}; 156 157struct iwl4965_channel_tgh_info { 158 s64 last_radar_time; 159}; 160 161/* current Tx power values to use, one for each rate for each channel. 162 * requested power is limited by: 163 * -- regulatory EEPROM limits for this channel 164 * -- hardware capabilities (clip-powers) 165 * -- spectrum management 166 * -- user preference (e.g. iwconfig) 167 * when requested power is set, base power index must also be set. */ 168struct iwl4965_channel_power_info { 169 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ 170 s8 power_table_index; /* actual (compenst'd) index into gain table */ 171 s8 base_power_index; /* gain index for power at factory temp. */ 172 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 173}; 174 175/* current scan Tx power values to use, one for each scan rate for each 176 * channel. */ 177struct iwl4965_scan_power_info { 178 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ 179 s8 power_table_index; /* actual (compenst'd) index into gain table */ 180 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 181}; 182 183/* For fat_extension_channel */ 184enum { 185 HT_IE_EXT_CHANNEL_NONE = 0, 186 HT_IE_EXT_CHANNEL_ABOVE, 187 HT_IE_EXT_CHANNEL_INVALID, 188 HT_IE_EXT_CHANNEL_BELOW, 189 HT_IE_EXT_CHANNEL_MAX 190}; 191 192/* 193 * One for each channel, holds all channel setup data 194 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 195 * with one another! 196 */ 197#define IWL4965_MAX_RATE (33) 198 199struct iwl_channel_info { 200 struct iwl4965_channel_tgd_info tgd; 201 struct iwl4965_channel_tgh_info tgh; 202 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 203 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for 204 * FAT channel */ 205 206 u8 channel; /* channel number */ 207 u8 flags; /* flags copied from EEPROM */ 208 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 209 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 210 s8 min_power; /* always 0 */ 211 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 212 213 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 214 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 215 enum ieee80211_band band; 216 217 /* Radio/DSP gain settings for each "normal" data Tx rate. 218 * These include, in addition to RF and DSP gain, a few fields for 219 * remembering/modifying gain settings (indexes). */ 220 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE]; 221 222 /* FAT channel info */ 223 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 224 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ 225 s8 fat_min_power; /* always 0 */ 226 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */ 227 u8 fat_flags; /* flags copied from EEPROM */ 228 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 229 230 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 231 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 232}; 233 234struct iwl4965_clip_group { 235 /* maximum power level to prevent clipping for each rate, derived by 236 * us from this band's saturation power in EEPROM */ 237 const s8 clip_powers[IWL_MAX_RATES]; 238}; 239 240#include "iwl-4965-rs.h" 241 242#define IWL_TX_FIFO_AC0 0 243#define IWL_TX_FIFO_AC1 1 244#define IWL_TX_FIFO_AC2 2 245#define IWL_TX_FIFO_AC3 3 246#define IWL_TX_FIFO_HCCA_1 5 247#define IWL_TX_FIFO_HCCA_2 6 248#define IWL_TX_FIFO_NONE 7 249 250/* Minimum number of queues. MAX_NUM is defined in hw specific files */ 251#define IWL_MIN_NUM_QUEUES 4 252 253/* Power management (not Tx power) structures */ 254 255enum iwl_pwr_src { 256 IWL_PWR_SRC_VMAIN, 257 IWL_PWR_SRC_VAUX, 258}; 259 260#define IEEE80211_DATA_LEN 2304 261#define IEEE80211_4ADDR_LEN 30 262#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 263#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 264 265struct iwl4965_frame { 266 union { 267 struct ieee80211_hdr frame; 268 struct iwl4965_tx_beacon_cmd beacon; 269 u8 raw[IEEE80211_FRAME_LEN]; 270 u8 cmd[360]; 271 } u; 272 struct list_head list; 273}; 274 275#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) 276#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) 277#define SEQ_TO_INDEX(x) ((u8)(x & 0xff)) 278#define INDEX_TO_SEQ(x) ((u8)(x & 0xff)) 279#define SEQ_HUGE_FRAME (0x4000) 280#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) 281#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 282#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 283#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 284 285enum { 286 /* CMD_SIZE_NORMAL = 0, */ 287 CMD_SIZE_HUGE = (1 << 0), 288 /* CMD_SYNC = 0, */ 289 CMD_ASYNC = (1 << 1), 290 /* CMD_NO_SKB = 0, */ 291 CMD_WANT_SKB = (1 << 2), 292}; 293 294struct iwl_cmd; 295struct iwl_priv; 296 297struct iwl_cmd_meta { 298 struct iwl_cmd_meta *source; 299 union { 300 struct sk_buff *skb; 301 int (*callback)(struct iwl_priv *priv, 302 struct iwl_cmd *cmd, struct sk_buff *skb); 303 } __attribute__ ((packed)) u; 304 305 /* The CMD_SIZE_HUGE flag bit indicates that the command 306 * structure is stored at the end of the shared queue memory. */ 307 u32 flags; 308 309} __attribute__ ((packed)); 310 311/** 312 * struct iwl_cmd 313 * 314 * For allocation of the command and tx queues, this establishes the overall 315 * size of the largest command we send to uCode, except for a scan command 316 * (which is relatively huge; space is allocated separately). 317 */ 318struct iwl_cmd { 319 struct iwl_cmd_meta meta; /* driver data */ 320 struct iwl_cmd_header hdr; /* uCode API */ 321 union { 322 struct iwl_addsta_cmd addsta; 323 struct iwl4965_led_cmd led; 324 u32 flags; 325 u8 val8; 326 u16 val16; 327 u32 val32; 328 struct iwl4965_bt_cmd bt; 329 struct iwl4965_rxon_time_cmd rxon_time; 330 struct iwl4965_powertable_cmd powertable; 331 struct iwl4965_qosparam_cmd qosparam; 332 struct iwl4965_tx_cmd tx; 333 struct iwl4965_tx_beacon_cmd tx_beacon; 334 struct iwl4965_rxon_assoc_cmd rxon_assoc; 335 u8 *indirect; 336 u8 payload[360]; 337 } __attribute__ ((packed)) cmd; 338} __attribute__ ((packed)); 339 340struct iwl_host_cmd { 341 u8 id; 342 u16 len; 343 struct iwl_cmd_meta meta; 344 const void *data; 345}; 346 347#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ 348 sizeof(struct iwl_cmd_meta)) 349 350/* 351 * RX related structures and functions 352 */ 353#define RX_FREE_BUFFERS 64 354#define RX_LOW_WATERMARK 8 355 356#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 357#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 358#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 359 360/** 361 * struct iwl_rx_queue - Rx queue 362 * @processed: Internal index to last handled Rx packet 363 * @read: Shared index to newest available Rx buffer 364 * @write: Shared index to oldest written Rx packet 365 * @free_count: Number of pre-allocated buffers in rx_free 366 * @rx_free: list of free SKBs for use 367 * @rx_used: List of Rx buffers with no SKB 368 * @need_update: flag to indicate we need to update read/write index 369 * 370 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 371 */ 372struct iwl_rx_queue { 373 __le32 *bd; 374 dma_addr_t dma_addr; 375 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 376 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 377 u32 processed; 378 u32 read; 379 u32 write; 380 u32 free_count; 381 struct list_head rx_free; 382 struct list_head rx_used; 383 int need_update; 384 spinlock_t lock; 385}; 386 387#define IWL_SUPPORTED_RATES_IE_LEN 8 388 389#define SCAN_INTERVAL 100 390 391#define MAX_A_CHANNELS 252 392#define MIN_A_CHANNELS 7 393 394#define MAX_B_CHANNELS 14 395#define MIN_B_CHANNELS 1 396 397#define MAX_TID_COUNT 9 398 399#define IWL_INVALID_RATE 0xFF 400#define IWL_INVALID_VALUE -1 401 402#ifdef CONFIG_IWL4965_HT 403/** 404 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 405 * @txq_id: Tx queue used for Tx attempt 406 * @frame_count: # frames attempted by Tx command 407 * @wait_for_ba: Expect block-ack before next Tx reply 408 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 409 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 410 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 411 * @rate_n_flags: Rate at which Tx was attempted 412 * 413 * If REPLY_TX indicates that aggregation was attempted, driver must wait 414 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 415 * until block ack arrives. 416 */ 417struct iwl_ht_agg { 418 u16 txq_id; 419 u16 frame_count; 420 u16 wait_for_ba; 421 u16 start_idx; 422 u64 bitmap; 423 u32 rate_n_flags; 424#define IWL_AGG_OFF 0 425#define IWL_AGG_ON 1 426#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 427#define IWL_EMPTYING_HW_QUEUE_DELBA 3 428 u8 state; 429}; 430 431#endif /* CONFIG_IWL4965_HT */ 432 433struct iwl_tid_data { 434 u16 seq_number; 435 u16 tfds_in_queue; 436#ifdef CONFIG_IWL4965_HT 437 struct iwl_ht_agg agg; 438#endif /* CONFIG_IWL4965_HT */ 439}; 440 441struct iwl_hw_key { 442 enum ieee80211_key_alg alg; 443 int keylen; 444 u8 keyidx; 445 struct ieee80211_key_conf *conf; 446 u8 key[32]; 447}; 448 449union iwl4965_ht_rate_supp { 450 u16 rates; 451 struct { 452 u8 siso_rate; 453 u8 mimo_rate; 454 }; 455}; 456 457#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 458#define CFG_HT_MPDU_DENSITY_2USEC (0x5) 459#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC 460 461struct iwl_ht_info { 462 /* self configuration data */ 463 u8 is_ht; 464 u8 supported_chan_width; 465 u16 tx_mimo_ps_mode; 466 u8 is_green_field; 467 u8 sgf; /* HT_SHORT_GI_* short guard interval */ 468 u8 max_amsdu_size; 469 u8 ampdu_factor; 470 u8 mpdu_density; 471 u8 supp_mcs_set[16]; 472 /* BSS related data */ 473 u8 control_channel; 474 u8 extension_chan_offset; 475 u8 tx_chan_width; 476 u8 ht_protection; 477 u8 non_GF_STA_present; 478}; 479 480union iwl4965_qos_capabity { 481 struct { 482 u8 edca_count:4; /* bit 0-3 */ 483 u8 q_ack:1; /* bit 4 */ 484 u8 queue_request:1; /* bit 5 */ 485 u8 txop_request:1; /* bit 6 */ 486 u8 reserved:1; /* bit 7 */ 487 } q_AP; 488 struct { 489 u8 acvo_APSD:1; /* bit 0 */ 490 u8 acvi_APSD:1; /* bit 1 */ 491 u8 ac_bk_APSD:1; /* bit 2 */ 492 u8 ac_be_APSD:1; /* bit 3 */ 493 u8 q_ack:1; /* bit 4 */ 494 u8 max_len:2; /* bit 5-6 */ 495 u8 more_data_ack:1; /* bit 7 */ 496 } q_STA; 497 u8 val; 498}; 499 500/* QoS structures */ 501struct iwl4965_qos_info { 502 int qos_enable; 503 int qos_active; 504 union iwl4965_qos_capabity qos_cap; 505 struct iwl4965_qosparam_cmd def_qos_parm; 506}; 507 508#define STA_PS_STATUS_WAKE 0 509#define STA_PS_STATUS_SLEEP 1 510 511struct iwl_station_entry { 512 struct iwl_addsta_cmd sta; 513 struct iwl_tid_data tid[MAX_TID_COUNT]; 514 u8 used; 515 u8 ps_status; 516 struct iwl_hw_key keyinfo; 517}; 518 519/* one for each uCode image (inst/data, boot/init/runtime) */ 520struct fw_desc { 521 void *v_addr; /* access by driver */ 522 dma_addr_t p_addr; /* access by card's busmaster DMA */ 523 u32 len; /* bytes */ 524}; 525 526/* uCode file layout */ 527struct iwl4965_ucode { 528 __le32 ver; /* major/minor/subminor */ 529 __le32 inst_size; /* bytes of runtime instructions */ 530 __le32 data_size; /* bytes of runtime data */ 531 __le32 init_size; /* bytes of initialization instructions */ 532 __le32 init_data_size; /* bytes of initialization data */ 533 __le32 boot_size; /* bytes of bootstrap instructions */ 534 u8 data[0]; /* data in same order as "size" elements */ 535}; 536 537#define IWL_IBSS_MAC_HASH_SIZE 32 538 539struct iwl4965_ibss_seq { 540 u8 mac[ETH_ALEN]; 541 u16 seq_num; 542 u16 frag_num; 543 unsigned long packet_time; 544 struct list_head list; 545}; 546 547struct iwl_sensitivity_ranges { 548 u16 min_nrg_cck; 549 u16 max_nrg_cck; 550 551 u16 nrg_th_cck; 552 u16 nrg_th_ofdm; 553 554 u16 auto_corr_min_ofdm; 555 u16 auto_corr_min_ofdm_mrc; 556 u16 auto_corr_min_ofdm_x1; 557 u16 auto_corr_min_ofdm_mrc_x1; 558 559 u16 auto_corr_max_ofdm; 560 u16 auto_corr_max_ofdm_mrc; 561 u16 auto_corr_max_ofdm_x1; 562 u16 auto_corr_max_ofdm_mrc_x1; 563 564 u16 auto_corr_max_cck; 565 u16 auto_corr_max_cck_mrc; 566 u16 auto_corr_min_cck; 567 u16 auto_corr_min_cck_mrc; 568}; 569 570 571#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ) 572 573/** 574 * struct iwl_hw_params 575 * @max_txq_num: Max # Tx queues supported 576 * @tx_cmd_len: Size of Tx command (but not including frame itself) 577 * @tx/rx_chains_num: Number of TX/RX chains 578 * @valid_tx/rx_ant: usable antennas 579 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 580 * @max_rxq_log: Log-base-2 of max_rxq_size 581 * @rx_buf_size: Rx buffer size 582 * @max_stations: 583 * @bcast_sta_id: 584 * @fat_channel: is 40MHz width possible in band 2.4 585 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 586 * @sw_crypto: 0 for hw, 1 for sw 587 * @max_xxx_size: for ucode uses 588 * @ct_kill_threshold: temperature threshold 589 * @struct iwl_sensitivity_ranges: range of sensitivity values 590 */ 591struct iwl_hw_params { 592 u16 max_txq_num; 593 u16 tx_cmd_len; 594 u8 tx_chains_num; 595 u8 rx_chains_num; 596 u8 valid_tx_ant; 597 u8 valid_rx_ant; 598 u16 max_rxq_size; 599 u16 max_rxq_log; 600 u32 rx_buf_size; 601 u32 max_pkt_size; 602 u8 max_stations; 603 u8 bcast_sta_id; 604 u8 fat_channel; 605 u8 sw_crypto; 606 u32 max_inst_size; 607 u32 max_data_size; 608 u32 max_bsm_size; 609 u32 ct_kill_threshold; /* value in hw-dependent units */ 610#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB 611 const struct iwl_sensitivity_ranges *sens; 612#endif 613}; 614 615#define HT_SHORT_GI_20MHZ_ONLY (1 << 0) 616#define HT_SHORT_GI_40MHZ_ONLY (1 << 1) 617 618 619#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\ 620 x->u.rx_frame.stats.payload + \ 621 x->u.rx_frame.stats.phy_count)) 622#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\ 623 IWL_RX_HDR(x)->payload + \ 624 le16_to_cpu(IWL_RX_HDR(x)->len))) 625#define IWL_RX_STATS(x) (&x->u.rx_frame.stats) 626#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) 627 628 629/****************************************************************************** 630 * 631 * Functions implemented in iwl-base.c which are forward declared here 632 * for use by iwl-*.c 633 * 634 *****************************************************************************/ 635struct iwl_addsta_cmd; 636extern int iwl_send_add_sta(struct iwl_priv *priv, 637 struct iwl_addsta_cmd *sta, u8 flags); 638extern u8 iwl4965_add_station_flags(struct iwl_priv *priv, const u8 *addr, 639 int is_ap, u8 flags, void *ht_data); 640extern int iwl4965_is_network_packet(struct iwl_priv *priv, 641 struct ieee80211_hdr *header); 642extern int iwl4965_power_init_handle(struct iwl_priv *priv); 643extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv, 644 struct iwl_rx_mem_buffer *rxb, 645 void *data, short len, 646 struct ieee80211_rx_status *stats, 647 u16 phy_flags); 648extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv, 649 struct ieee80211_hdr *header); 650extern int iwl4965_calc_db_from_ratio(int sig_ratio); 651extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm); 652extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv, 653 struct ieee80211_hdr *hdr, 654 const u8 *dest, int left); 655extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr); 656extern void iwl4965_update_chain_flags(struct iwl_priv *priv); 657int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 658 659int iwl4965_init_geos(struct iwl_priv *priv); 660void iwl4965_free_geos(struct iwl_priv *priv); 661 662extern const u8 iwl4965_broadcast_addr[ETH_ALEN]; 663int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 664 665/* 666 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't 667 * call this... todo... fix that. 668*/ 669extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id, 670 u16 tx_rate, u8 flags); 671 672/****************************************************************************** 673 * 674 * Functions implemented in iwl-[34]*.c which are forward declared here 675 * for use by iwl-base.c 676 * 677 * NOTE: The implementation of these functions are hardware specific 678 * which is why they are in the hardware specific files (vs. iwl-base.c) 679 * 680 * Naming convention -- 681 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_) 682 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) 683 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 684 * iwl4965_bg_ <-- Called from work queue context 685 * iwl4965_mac_ <-- mac80211 callback 686 * 687 ****************************************************************************/ 688extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv); 689extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv); 690extern int iwl4965_hw_rxq_stop(struct iwl_priv *priv); 691extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv); 692extern int iwl4965_hw_nic_stop_master(struct iwl_priv *priv); 693extern void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv); 694extern int iwl4965_hw_nic_reset(struct iwl_priv *priv); 695extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd, 696 dma_addr_t addr, u16 len); 697extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); 698extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, 699 struct iwl4965_frame *frame, u8 rate); 700extern int iwl4965_hw_get_rx_read(struct iwl_priv *priv); 701extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, 702 struct iwl_cmd *cmd, 703 struct ieee80211_tx_control *ctrl, 704 struct ieee80211_hdr *hdr, 705 int sta_id, int tx_id); 706extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv); 707extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); 708extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv, 709 struct iwl_rx_mem_buffer *rxb); 710extern void iwl4965_disable_events(struct iwl_priv *priv); 711extern int iwl4965_get_temperature(const struct iwl_priv *priv); 712 713/** 714 * iwl_find_station - Find station id for a given BSSID 715 * @bssid: MAC address of station ID to find 716 * 717 * NOTE: This should not be hardware specific but the code has 718 * not yet been merged into a single common layer for managing the 719 * station tables. 720 */ 721extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); 722 723extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); 724extern int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); 725extern int iwl4965_queue_space(const struct iwl4965_queue *q); 726struct iwl_priv; 727 728extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio); 729/* 730 * Forward declare iwl-4965.c functions for iwl-base.c 731 */ 732extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv, 733 struct iwl4965_tx_queue *txq, 734 u16 byte_cnt); 735extern void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, 736 int is_ap); 737extern int iwl4965_alive_notify(struct iwl_priv *priv); 738extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); 739extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); 740extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, 741 u32 rate_n_flags, 742 struct ieee80211_tx_control *control); 743 744#ifdef CONFIG_IWL4965_HT 745extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv, 746 struct ieee80211_ht_info *ht_info, 747 enum ieee80211_band band); 748void iwl4965_set_rxon_ht(struct iwl_priv *priv, 749 struct iwl_ht_info *ht_info); 750void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index, 751 struct ieee80211_ht_info *sta_ht_inf); 752int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, 753 enum ieee80211_ampdu_mlme_action action, 754 const u8 *addr, u16 tid, u16 *ssn); 755int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, 756 u8 tid, int txq_id); 757#else 758static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv, 759 struct ieee80211_ht_info *ht_info, 760 enum ieee80211_band band) {} 761 762#endif /*CONFIG_IWL4965_HT */ 763/* Structures, enum, and defines specific to the 4965 */ 764 765#define IWL4965_KW_SIZE 0x1000 /*4k */ 766 767struct iwl4965_kw { 768 dma_addr_t dma_addr; 769 void *v_addr; 770 size_t size; 771}; 772 773#define IWL_CHANNEL_WIDTH_20MHZ 0 774#define IWL_CHANNEL_WIDTH_40MHZ 1 775 776#define IWL_MIMO_PS_STATIC 0 777#define IWL_MIMO_PS_NONE 3 778#define IWL_MIMO_PS_DYNAMIC 1 779#define IWL_MIMO_PS_INVALID 2 780 781#define IWL_OPERATION_MODE_AUTO 0 782#define IWL_OPERATION_MODE_HT_ONLY 1 783#define IWL_OPERATION_MODE_MIXED 2 784#define IWL_OPERATION_MODE_20MHZ 3 785 786#define IWL_EXT_CHANNEL_OFFSET_NONE 0 787#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1 788#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2 789#define IWL_EXT_CHANNEL_OFFSET_BELOW 3 790 791#define IWL_TX_CRC_SIZE 4 792#define IWL_TX_DELIMITER_SIZE 4 793 794#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 795 796struct iwl4965_lq_mngr { 797 spinlock_t lock; 798 s32 max_window_size; 799 s32 *expected_tpt; 800 u8 *next_higher_rate; 801 u8 *next_lower_rate; 802 unsigned long stamp; 803 unsigned long stamp_last; 804 u32 flush_time; 805 u32 tx_packets; 806 u8 lq_ready; 807}; 808 809/* Sensitivity and chain noise calibration */ 810#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) 811#define INITIALIZATION_VALUE 0xFFFF 812#define CAL_NUM_OF_BEACONS 20 813#define MAXIMUM_ALLOWED_PATHLOSS 15 814 815#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 816 817#define MAX_FA_OFDM 50 818#define MIN_FA_OFDM 5 819#define MAX_FA_CCK 50 820#define MIN_FA_CCK 5 821 822#define AUTO_CORR_STEP_OFDM 1 823 824#define AUTO_CORR_STEP_CCK 3 825#define AUTO_CORR_MAX_TH_CCK 160 826 827#define NRG_DIFF 2 828#define NRG_STEP_CCK 2 829#define NRG_MARGIN 8 830#define MAX_NUMBER_CCK_NO_FA 100 831 832#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 833 834#define CHAIN_A 0 835#define CHAIN_B 1 836#define CHAIN_C 2 837#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 838#define ALL_BAND_FILTER 0xFF00 839#define IN_BAND_FILTER 0xFF 840#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 841 842#define NRG_NUM_PREV_STAT_L 20 843#define NUM_RX_CHAINS 3 844 845enum iwl4965_false_alarm_state { 846 IWL_FA_TOO_MANY = 0, 847 IWL_FA_TOO_FEW = 1, 848 IWL_FA_GOOD_RANGE = 2, 849}; 850 851enum iwl4965_chain_noise_state { 852 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 853 IWL_CHAIN_NOISE_ACCUMULATE = 1, 854 IWL_CHAIN_NOISE_CALIBRATED = 2, 855}; 856 857enum iwl4965_calib_enabled_state { 858 IWL_CALIB_DISABLED = 0, /* must be 0 */ 859 IWL_CALIB_ENABLED = 1, 860}; 861 862struct statistics_general_data { 863 u32 beacon_silence_rssi_a; 864 u32 beacon_silence_rssi_b; 865 u32 beacon_silence_rssi_c; 866 u32 beacon_energy_a; 867 u32 beacon_energy_b; 868 u32 beacon_energy_c; 869}; 870 871#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB 872/* Sensitivity calib data */ 873struct iwl_sensitivity_data { 874 u32 auto_corr_ofdm; 875 u32 auto_corr_ofdm_mrc; 876 u32 auto_corr_ofdm_x1; 877 u32 auto_corr_ofdm_mrc_x1; 878 u32 auto_corr_cck; 879 u32 auto_corr_cck_mrc; 880 881 u32 last_bad_plcp_cnt_ofdm; 882 u32 last_fa_cnt_ofdm; 883 u32 last_bad_plcp_cnt_cck; 884 u32 last_fa_cnt_cck; 885 886 u32 nrg_curr_state; 887 u32 nrg_prev_state; 888 u32 nrg_value[10]; 889 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 890 u32 nrg_silence_ref; 891 u32 nrg_energy_idx; 892 u32 nrg_silence_idx; 893 u32 nrg_th_cck; 894 s32 nrg_auto_corr_silence_diff; 895 u32 num_in_cck_no_fa; 896 u32 nrg_th_ofdm; 897}; 898 899/* Chain noise (differential Rx gain) calib data */ 900struct iwl_chain_noise_data { 901 u8 state; 902 u16 beacon_count; 903 u32 chain_noise_a; 904 u32 chain_noise_b; 905 u32 chain_noise_c; 906 u32 chain_signal_a; 907 u32 chain_signal_b; 908 u32 chain_signal_c; 909 u8 disconn_array[NUM_RX_CHAINS]; 910 u8 delta_gain_code[NUM_RX_CHAINS]; 911 u8 radio_write; 912}; 913#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */ 914 915#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 916#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 917 918 919#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT 920 921enum { 922 MEASUREMENT_READY = (1 << 0), 923 MEASUREMENT_ACTIVE = (1 << 1), 924}; 925 926#endif 927 928#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ 929 930struct iwl_priv { 931 932 /* ieee device used by generic ieee processing code */ 933 struct ieee80211_hw *hw; 934 struct ieee80211_channel *ieee_channels; 935 struct ieee80211_rate *ieee_rates; 936 struct iwl_cfg *cfg; 937 938 /* temporary frame storage list */ 939 struct list_head free_frames; 940 int frames_count; 941 942 enum ieee80211_band band; 943 int alloc_rxb_skb; 944 bool add_radiotap; 945 946 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 947 struct iwl_rx_mem_buffer *rxb); 948 949 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 950 951#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT 952 /* spectrum measurement report caching */ 953 struct iwl4965_spectrum_notification measure_report; 954 u8 measurement_status; 955#endif 956 /* ucode beacon time */ 957 u32 ucode_beacon_time; 958 959 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 960 * Access via channel # using indirect index array */ 961 struct iwl_channel_info *channel_info; /* channel info array */ 962 u8 channel_count; /* # of channels */ 963 964 /* each calibration channel group in the EEPROM has a derived 965 * clip setting for each rate. */ 966 const struct iwl4965_clip_group clip_groups[5]; 967 968 /* thermal calibration */ 969 s32 temperature; /* degrees Kelvin */ 970 s32 last_temperature; 971 972 /* Scan related variables */ 973 unsigned long last_scan_jiffies; 974 unsigned long next_scan_jiffies; 975 unsigned long scan_start; 976 unsigned long scan_pass_start; 977 unsigned long scan_start_tsf; 978 int scan_bands; 979 int one_direct_scan; 980 u8 direct_ssid_len; 981 u8 direct_ssid[IW_ESSID_MAX_SIZE]; 982 struct iwl4965_scan_cmd *scan; 983 984 /* spinlock */ 985 spinlock_t lock; /* protect general shared data */ 986 spinlock_t hcmd_lock; /* protect hcmd */ 987 struct mutex mutex; 988 989 /* basic pci-network driver stuff */ 990 struct pci_dev *pci_dev; 991 992 /* pci hardware address support */ 993 void __iomem *hw_base; 994 u32 hw_rev; 995 u32 hw_wa_rev; 996 u8 rev_id; 997 998 /* uCode images, save to reload in case of failure */ 999 struct fw_desc ucode_code; /* runtime inst */ 1000 struct fw_desc ucode_data; /* runtime data original */ 1001 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1002 struct fw_desc ucode_init; /* initialization inst */ 1003 struct fw_desc ucode_init_data; /* initialization data */ 1004 struct fw_desc ucode_boot; /* bootstrap inst */ 1005 1006 1007 struct iwl4965_rxon_time_cmd rxon_timing; 1008 1009 /* We declare this const so it can only be 1010 * changed via explicit cast within the 1011 * routines that actually update the physical 1012 * hardware */ 1013 const struct iwl4965_rxon_cmd active_rxon; 1014 struct iwl4965_rxon_cmd staging_rxon; 1015 1016 int error_recovering; 1017 struct iwl4965_rxon_cmd recovery_rxon; 1018 1019 /* 1st responses from initialize and runtime uCode images. 1020 * 4965's initialize alive response contains some calibration data. */ 1021 struct iwl4965_init_alive_resp card_alive_init; 1022 struct iwl4965_alive_resp card_alive; 1023#ifdef CONFIG_IWLWIFI_RFKILL 1024 struct iwl_rfkill_mngr rfkill_mngr; 1025#endif 1026 1027#ifdef CONFIG_IWLWIFI_LEDS 1028 struct iwl4965_led led[IWL_LED_TRG_MAX]; 1029 unsigned long last_blink_time; 1030 u8 last_blink_rate; 1031 u8 allow_blinking; 1032 u64 led_tpt; 1033#endif 1034 1035 u16 active_rate; 1036 u16 active_rate_basic; 1037 1038 u8 assoc_station_added; 1039 u8 use_ant_b_for_management_frame; /* Tx antenna selection */ 1040 u8 start_calib; 1041#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB 1042 struct iwl_sensitivity_data sensitivity_data; 1043 struct iwl_chain_noise_data chain_noise_data; 1044 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1045#endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/ 1046 1047#ifdef CONFIG_IWL4965_HT 1048 struct iwl_ht_info current_ht_config; 1049#endif 1050 u8 last_phy_res[100]; 1051 1052 /* Rate scaling data */ 1053 struct iwl4965_lq_mngr lq_mngr; 1054 1055 /* Rate scaling data */ 1056 s8 data_retry_limit; 1057 u8 retry_rate; 1058 1059 wait_queue_head_t wait_command_queue; 1060 1061 int activity_timer_active; 1062 1063 /* Rx and Tx DMA processing queues */ 1064 struct iwl_rx_queue rxq; 1065 struct iwl4965_tx_queue txq[IWL_MAX_NUM_QUEUES]; 1066 unsigned long txq_ctx_active_msk; 1067 struct iwl4965_kw kw; /* keep warm address */ 1068 u32 scd_base_addr; /* scheduler sram base address */ 1069 1070 unsigned long status; 1071 1072 int last_rx_rssi; /* From Rx packet statisitics */ 1073 int last_rx_noise; /* From beacon statistics */ 1074 1075 /* counts mgmt, ctl, and data packets */ 1076 struct traffic_stats { 1077 u32 cnt; 1078 u64 bytes; 1079 } tx_stats[3], rx_stats[3]; 1080 1081 struct iwl_power_mgr power_data; 1082 1083 struct iwl4965_notif_statistics statistics; 1084 unsigned long last_statistics_time; 1085 1086 /* context information */ 1087 u8 essid[IW_ESSID_MAX_SIZE]; 1088 u8 essid_len; 1089 u16 rates_mask; 1090 1091 u32 power_mode; 1092 u32 antenna; 1093 u8 bssid[ETH_ALEN]; 1094 u16 rts_threshold; 1095 u8 mac_addr[ETH_ALEN]; 1096 1097 /*station table variables */ 1098 spinlock_t sta_lock; 1099 int num_stations; 1100 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1101 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1102 u8 default_wep_key; 1103 u8 key_mapping_key; 1104 unsigned long ucode_key_table; 1105 1106 /* Indication if ieee80211_ops->open has been called */ 1107 u8 is_open; 1108 1109 u8 mac80211_registered; 1110 1111 u32 notif_missed_beacons; 1112 1113 /* Rx'd packet timing information */ 1114 u32 last_beacon_time; 1115 u64 last_tsf; 1116 1117 /* Duplicate packet detection */ 1118 u16 last_seq_num; 1119 u16 last_frag_num; 1120 unsigned long last_packet_time; 1121 1122 /* Hash table for finding stations in IBSS network */ 1123 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; 1124 1125 /* eeprom */ 1126 u8 *eeprom; 1127 struct iwl_eeprom_calib_info *calib_info; 1128 1129 enum ieee80211_if_types iw_mode; 1130 1131 struct sk_buff *ibss_beacon; 1132 1133 /* Last Rx'd beacon timestamp */ 1134 u64 timestamp; 1135 u16 beacon_int; 1136 struct ieee80211_vif *vif; 1137 1138 struct iwl_hw_params hw_params; 1139 /* driver/uCode shared Tx Byte Counts and Rx status */ 1140 void *shared_virt; 1141 /* Physical Pointer to Tx Byte Counts and Rx status */ 1142 dma_addr_t shared_phys; 1143 1144 /* Current association information needed to configure the 1145 * hardware */ 1146 u16 assoc_id; 1147 u16 assoc_capability; 1148 u8 ps_mode; 1149 1150 struct iwl4965_qos_info qos_data; 1151 1152 struct workqueue_struct *workqueue; 1153 1154 struct work_struct up; 1155 struct work_struct restart; 1156 struct work_struct calibrated_work; 1157 struct work_struct scan_completed; 1158 struct work_struct rx_replenish; 1159 struct work_struct rf_kill; 1160 struct work_struct abort_scan; 1161 struct work_struct update_link_led; 1162 struct work_struct auth_work; 1163 struct work_struct report_work; 1164 struct work_struct request_scan; 1165 struct work_struct beacon_update; 1166 1167 struct tasklet_struct irq_tasklet; 1168 1169 struct delayed_work init_alive_start; 1170 struct delayed_work alive_start; 1171 struct delayed_work activity_timer; 1172 struct delayed_work thermal_periodic; 1173 struct delayed_work gather_stats; 1174 struct delayed_work scan_check; 1175 struct delayed_work post_associate; 1176 1177#define IWL_DEFAULT_TX_POWER 0x0F 1178 s8 user_txpower_limit; 1179 s8 max_channel_txpower_limit; 1180 1181#ifdef CONFIG_PM 1182 u32 pm_state[16]; 1183#endif 1184 1185#ifdef CONFIG_IWLWIFI_DEBUG 1186 /* debugging info */ 1187 u32 debug_level; 1188 u32 framecnt_to_us; 1189 atomic_t restrict_refcnt; 1190#ifdef CONFIG_IWLWIFI_DEBUGFS 1191 /* debugfs */ 1192 struct iwl_debugfs *dbgfs; 1193#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1194#endif /* CONFIG_IWLWIFI_DEBUG */ 1195 1196 struct work_struct txpower_work; 1197#ifdef CONFIG_IWL4965_RUN_TIME_CALIB 1198 struct work_struct sensitivity_work; 1199#endif 1200 struct timer_list statistics_periodic; 1201}; /*iwl_priv */ 1202 1203static inline int iwl_is_associated(struct iwl_priv *priv) 1204{ 1205 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1206} 1207 1208static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1209{ 1210 if (ch_info == NULL) 1211 return 0; 1212 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1213} 1214 1215static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1216{ 1217 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1218} 1219 1220static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1221{ 1222 return ch_info->band == IEEE80211_BAND_5GHZ; 1223} 1224 1225static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1226{ 1227 return ch_info->band == IEEE80211_BAND_2GHZ; 1228} 1229 1230static inline int is_channel_passive(const struct iwl_channel_info *ch) 1231{ 1232 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1233} 1234 1235static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1236{ 1237 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1238} 1239 1240#ifdef CONFIG_IWLWIFI_DEBUG 1241static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, 1242 void *p, u32 len) 1243{ 1244 if (!(priv->debug_level & level)) 1245 return; 1246 1247 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, 1248 p, len, 1); 1249} 1250#else 1251static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, 1252 void *p, u32 len) 1253{ 1254} 1255#endif 1256 1257extern const struct iwl_channel_info *iwl_get_channel_info( 1258 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); 1259 1260/* Requires full declaration of iwl_priv before including */ 1261 1262#endif /* __iwl4965_4965_h__ */ 1263