1 /******************************************************************************
3 * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
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.
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
39 #include "iwl-eeprom.h"
43 #include "iwl-debug.h"
44 #include "iwl-rfkill.h"
45 #include "iwl-4965-hw.h"
46 #include "iwl-3945-hw.h"
47 #include "iwl-3945-led.h"
49 #include "iwl-power.h"
50 #include "iwl-agn-rs.h"
52 /* configuration for the iwl4965 */
53 extern struct iwl_cfg iwl4965_agn_cfg;
54 extern struct iwl_cfg iwl5300_agn_cfg;
55 extern struct iwl_cfg iwl5100_agn_cfg;
56 extern struct iwl_cfg iwl5350_agn_cfg;
57 extern struct iwl_cfg iwl5100_bg_cfg;
58 extern struct iwl_cfg iwl5100_abg_cfg;
59 extern struct iwl_cfg iwl5150_agn_cfg;
61 /* CT-KILL constants */
62 #define CT_KILL_THRESHOLD 110 /* in Celsius */
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)
78 * RTS threshold here is total size [2347] minus 4 FCS bytes
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
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
94 struct iwl_rx_mem_buffer {
95 dma_addr_t real_dma_addr;
96 dma_addr_t aligned_dma_addr;
98 struct list_head list;
102 * Generic queue structure
104 * Contains common data for Rx and Tx queues
107 int n_bd; /* number of BDs in this queue */
108 int write_ptr; /* 1-st empty entry (index) host_w*/
109 int read_ptr; /* last used entry (index) host_r*/
110 dma_addr_t dma_addr; /* physical addr for BD's */
111 int n_window; /* safe queue window */
113 int low_mark; /* low watermark, resume queue if free
114 * space more than this */
115 int high_mark; /* high watermark, stop queue if free
116 * space less than this */
117 } __attribute__ ((packed));
119 /* One for each TFD */
121 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
125 * struct iwl_tx_queue - Tx Queue for DMA
126 * @q: generic Rx/Tx queue descriptor
127 * @bd: base of circular buffer of TFDs
128 * @cmd: array of command/Tx buffers
129 * @dma_addr_cmd: physical address of cmd/tx buffer array
130 * @txb: array of per-TFD driver data
131 * @need_update: indicates need to update read/write index
132 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
134 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
135 * descriptors) and required locking structures.
137 #define TFD_TX_CMD_SLOTS 256
138 #define TFD_CMD_SLOTS 32
140 struct iwl_tx_queue {
142 struct iwl_tfd *tfds;
143 struct iwl3945_tfd *tfds39;
144 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
145 struct iwl_tx_info *txb;
152 #define IWL_NUM_SCAN_RATES (2)
154 struct iwl4965_channel_tgd_info {
159 struct iwl4965_channel_tgh_info {
163 #define IWL4965_MAX_RATE (33)
165 struct iwl3945_clip_group {
166 /* maximum power level to prevent clipping for each rate, derived by
167 * us from this band's saturation power in EEPROM */
168 const s8 clip_powers[IWL_MAX_RATES];
171 /* current Tx power values to use, one for each rate for each channel.
172 * requested power is limited by:
173 * -- regulatory EEPROM limits for this channel
174 * -- hardware capabilities (clip-powers)
175 * -- spectrum management
176 * -- user preference (e.g. iwconfig)
177 * when requested power is set, base power index must also be set. */
178 struct iwl3945_channel_power_info {
179 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
180 s8 power_table_index; /* actual (compenst'd) index into gain table */
181 s8 base_power_index; /* gain index for power at factory temp. */
182 s8 requested_power; /* power (dBm) requested for this chnl/rate */
185 /* current scan Tx power values to use, one for each scan rate for each
187 struct iwl3945_scan_power_info {
188 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
189 s8 power_table_index; /* actual (compenst'd) index into gain table */
190 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
194 * One for each channel, holds all channel setup data
195 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
198 struct iwl_channel_info {
199 struct iwl4965_channel_tgd_info tgd;
200 struct iwl4965_channel_tgh_info tgh;
201 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
202 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
205 u8 channel; /* channel number */
206 u8 flags; /* flags copied from EEPROM */
207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
209 s8 min_power; /* always 0 */
210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
214 enum ieee80211_band band;
216 /* FAT channel info */
217 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
218 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
219 s8 fat_min_power; /* always 0 */
220 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
221 u8 fat_flags; /* flags copied from EEPROM */
222 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
224 /* Radio/DSP gain settings for each "normal" data Tx rate.
225 * These include, in addition to RF and DSP gain, a few fields for
226 * remembering/modifying gain settings (indexes). */
227 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
229 /* Radio/DSP gain settings for each scan rate, for directed scans. */
230 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
233 #define IWL_TX_FIFO_AC0 0
234 #define IWL_TX_FIFO_AC1 1
235 #define IWL_TX_FIFO_AC2 2
236 #define IWL_TX_FIFO_AC3 3
237 #define IWL_TX_FIFO_HCCA_1 5
238 #define IWL_TX_FIFO_HCCA_2 6
239 #define IWL_TX_FIFO_NONE 7
241 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
242 #define IWL_MIN_NUM_QUEUES 4
244 /* Power management (not Tx power) structures */
251 #define IEEE80211_DATA_LEN 2304
252 #define IEEE80211_4ADDR_LEN 30
253 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
254 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
258 struct ieee80211_hdr frame;
259 struct iwl_tx_beacon_cmd beacon;
260 u8 raw[IEEE80211_FRAME_LEN];
263 struct list_head list;
266 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
267 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
268 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
271 /* CMD_SIZE_NORMAL = 0, */
272 CMD_SIZE_HUGE = (1 << 0),
274 CMD_ASYNC = (1 << 1),
275 /* CMD_NO_SKB = 0, */
276 CMD_WANT_SKB = (1 << 2),
282 struct iwl_cmd_meta {
283 struct iwl_cmd_meta *source;
286 int (*callback)(struct iwl_priv *priv,
287 struct iwl_cmd *cmd, struct sk_buff *skb);
288 } __attribute__ ((packed)) u;
290 /* The CMD_SIZE_HUGE flag bit indicates that the command
291 * structure is stored at the end of the shared queue memory. */
293 DECLARE_PCI_UNMAP_ADDR(mapping)
294 DECLARE_PCI_UNMAP_LEN(len)
295 } __attribute__ ((packed));
297 #define IWL_CMD_MAX_PAYLOAD 320
302 * For allocation of the command and tx queues, this establishes the overall
303 * size of the largest command we send to uCode, except for a scan command
304 * (which is relatively huge; space is allocated separately).
307 struct iwl_cmd_meta meta; /* driver data */
308 struct iwl_cmd_header hdr; /* uCode API */
314 struct iwl_tx_cmd tx;
315 u8 payload[IWL_CMD_MAX_PAYLOAD];
316 } __attribute__ ((packed)) cmd;
317 } __attribute__ ((packed));
320 struct iwl_host_cmd {
323 struct iwl_cmd_meta meta;
327 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
328 sizeof(struct iwl_cmd_meta))
331 * RX related structures and functions
333 #define RX_FREE_BUFFERS 64
334 #define RX_LOW_WATERMARK 8
336 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
337 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
338 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
341 * struct iwl_rx_queue - Rx queue
342 * @read: Shared index to newest available Rx buffer
343 * @write: Shared index to oldest written Rx packet
344 * @free_count: Number of pre-allocated buffers in rx_free
345 * @rx_free: list of free SKBs for use
346 * @rx_used: List of Rx buffers with no SKB
347 * @need_update: flag to indicate we need to update read/write index
349 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
351 struct iwl_rx_queue {
354 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
355 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
359 struct list_head rx_free;
360 struct list_head rx_used;
362 struct iwl_rb_status *rb_stts;
363 dma_addr_t rb_stts_dma;
367 #define IWL_SUPPORTED_RATES_IE_LEN 8
369 #define MAX_TID_COUNT 9
371 #define IWL_INVALID_RATE 0xFF
372 #define IWL_INVALID_VALUE -1
375 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
376 * @txq_id: Tx queue used for Tx attempt
377 * @frame_count: # frames attempted by Tx command
378 * @wait_for_ba: Expect block-ack before next Tx reply
379 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
380 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
381 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
382 * @rate_n_flags: Rate at which Tx was attempted
384 * If REPLY_TX indicates that aggregation was attempted, driver must wait
385 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
386 * until block ack arrives.
395 #define IWL_AGG_OFF 0
397 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
398 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
403 struct iwl_tid_data {
406 struct iwl_ht_agg agg;
410 enum ieee80211_key_alg alg;
416 union iwl_ht_rate_supp {
424 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
425 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
426 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
429 /* self configuration data */
431 u8 supported_chan_width;
434 u8 sgf; /* HT_SHORT_GI_* short guard interval */
438 struct ieee80211_mcs_info mcs;
439 /* BSS related data */
440 u8 extension_chan_offset;
443 u8 non_GF_STA_present;
446 union iwl_qos_capabity {
448 u8 edca_count:4; /* bit 0-3 */
449 u8 q_ack:1; /* bit 4 */
450 u8 queue_request:1; /* bit 5 */
451 u8 txop_request:1; /* bit 6 */
452 u8 reserved:1; /* bit 7 */
455 u8 acvo_APSD:1; /* bit 0 */
456 u8 acvi_APSD:1; /* bit 1 */
457 u8 ac_bk_APSD:1; /* bit 2 */
458 u8 ac_be_APSD:1; /* bit 3 */
459 u8 q_ack:1; /* bit 4 */
460 u8 max_len:2; /* bit 5-6 */
461 u8 more_data_ack:1; /* bit 7 */
467 struct iwl_qos_info {
469 union iwl_qos_capabity qos_cap;
470 struct iwl_qosparam_cmd def_qos_parm;
473 #define STA_PS_STATUS_WAKE 0
474 #define STA_PS_STATUS_SLEEP 1
476 struct iwl3945_tid_data {
480 struct iwl3945_hw_key {
481 enum ieee80211_key_alg alg;
486 struct iwl3945_station_entry {
487 struct iwl3945_addsta_cmd sta;
488 struct iwl3945_tid_data tid[MAX_TID_COUNT];
491 struct iwl3945_hw_key keyinfo;
494 struct iwl_station_entry {
495 struct iwl_addsta_cmd sta;
496 struct iwl_tid_data tid[MAX_TID_COUNT];
499 struct iwl_hw_key keyinfo;
502 /* one for each uCode image (inst/data, boot/init/runtime) */
504 void *v_addr; /* access by driver */
505 dma_addr_t p_addr; /* access by card's busmaster DMA */
509 /* uCode file layout */
511 __le32 ver; /* major/minor/API/serial */
512 __le32 inst_size; /* bytes of runtime instructions */
513 __le32 data_size; /* bytes of runtime data */
514 __le32 init_size; /* bytes of initialization instructions */
515 __le32 init_data_size; /* bytes of initialization data */
516 __le32 boot_size; /* bytes of bootstrap instructions */
517 u8 data[0]; /* data in same order as "size" elements */
520 struct iwl4965_ibss_seq {
524 unsigned long packet_time;
525 struct list_head list;
528 struct iwl_sensitivity_ranges {
535 u16 auto_corr_min_ofdm;
536 u16 auto_corr_min_ofdm_mrc;
537 u16 auto_corr_min_ofdm_x1;
538 u16 auto_corr_min_ofdm_mrc_x1;
540 u16 auto_corr_max_ofdm;
541 u16 auto_corr_max_ofdm_mrc;
542 u16 auto_corr_max_ofdm_x1;
543 u16 auto_corr_max_ofdm_mrc_x1;
545 u16 auto_corr_max_cck;
546 u16 auto_corr_max_cck_mrc;
547 u16 auto_corr_min_cck;
548 u16 auto_corr_min_cck_mrc;
552 #define KELVIN_TO_CELSIUS(x) ((x)-273)
553 #define CELSIUS_TO_KELVIN(x) ((x)+273)
557 * struct iwl_hw_params
558 * @max_txq_num: Max # Tx queues supported
559 * @dma_chnl_num: Number of Tx DMA/FIFO channels
560 * @scd_bc_tbls_size: size of scheduler byte count tables
561 * @tx/rx_chains_num: Number of TX/RX chains
562 * @valid_tx/rx_ant: usable antennas
563 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
564 * @max_rxq_log: Log-base-2 of max_rxq_size
565 * @rx_buf_size: Rx buffer size
566 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
569 * @fat_channel: is 40MHz width possible in band 2.4
570 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
571 * @sw_crypto: 0 for hw, 1 for sw
572 * @max_xxx_size: for ucode uses
573 * @ct_kill_threshold: temperature threshold
574 * @calib_init_cfg: setup initial calibrations for the hw
575 * @struct iwl_sensitivity_ranges: range of sensitivity values
577 struct iwl_hw_params {
580 u16 scd_bc_tbls_size;
597 u32 ct_kill_threshold; /* value in hw-dependent units */
599 const struct iwl_sensitivity_ranges *sens;
603 /******************************************************************************
605 * Functions implemented in core module which are forward declared here
606 * for use by iwl-[4-5].c
608 * NOTE: The implementation of these functions are not hardware specific
609 * which is why they are in the core module files.
611 * Naming convention --
612 * iwl_ <-- Is part of iwlwifi
613 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
614 * iwl4965_bg_ <-- Called from work queue context
615 * iwl4965_mac_ <-- mac80211 callback
617 ****************************************************************************/
618 extern void iwl_update_chain_flags(struct iwl_priv *priv);
619 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
620 extern const u8 iwl_bcast_addr[ETH_ALEN];
621 extern int iwl_rxq_stop(struct iwl_priv *priv);
622 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
623 extern int iwl_queue_space(const struct iwl_queue *q);
624 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
626 return q->write_ptr > q->read_ptr ?
627 (i >= q->read_ptr && i < q->write_ptr) :
628 !(i < q->read_ptr && i >= q->write_ptr);
632 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
634 /* This is for scan command, the big buffer at end of command array */
636 return q->n_window; /* must be power of 2 */
638 /* Otherwise, use normal size buffers */
639 return index & (q->n_window - 1);
649 #define HT_SHORT_GI_20MHZ (1 << 0)
650 #define HT_SHORT_GI_40MHZ (1 << 1)
652 #define IWL_CHANNEL_WIDTH_20MHZ 0
653 #define IWL_CHANNEL_WIDTH_40MHZ 1
655 #define IWL_OPERATION_MODE_AUTO 0
656 #define IWL_OPERATION_MODE_HT_ONLY 1
657 #define IWL_OPERATION_MODE_MIXED 2
658 #define IWL_OPERATION_MODE_20MHZ 3
660 #define IWL_TX_CRC_SIZE 4
661 #define IWL_TX_DELIMITER_SIZE 4
663 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
665 /* Sensitivity and chain noise calibration */
666 #define INITIALIZATION_VALUE 0xFFFF
667 #define CAL_NUM_OF_BEACONS 20
668 #define MAXIMUM_ALLOWED_PATHLOSS 15
670 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
672 #define MAX_FA_OFDM 50
673 #define MIN_FA_OFDM 5
674 #define MAX_FA_CCK 50
677 #define AUTO_CORR_STEP_OFDM 1
679 #define AUTO_CORR_STEP_CCK 3
680 #define AUTO_CORR_MAX_TH_CCK 160
683 #define NRG_STEP_CCK 2
685 #define MAX_NUMBER_CCK_NO_FA 100
687 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
692 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
693 #define ALL_BAND_FILTER 0xFF00
694 #define IN_BAND_FILTER 0xFF
695 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
697 #define NRG_NUM_PREV_STAT_L 20
698 #define NUM_RX_CHAINS 3
700 enum iwl4965_false_alarm_state {
703 IWL_FA_GOOD_RANGE = 2,
706 enum iwl4965_chain_noise_state {
707 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
708 IWL_CHAIN_NOISE_ACCUMULATE,
709 IWL_CHAIN_NOISE_CALIBRATED,
710 IWL_CHAIN_NOISE_DONE,
713 enum iwl4965_calib_enabled_state {
714 IWL_CALIB_DISABLED = 0, /* must be 0 */
715 IWL_CALIB_ENABLED = 1,
721 * defines the order in which results of initial calibrations
722 * should be sent to the runtime uCode
729 IWL_CALIB_TX_IQ_PERD,
734 /* Opaque calibration results */
735 struct iwl_calib_result {
746 /* Sensitivity calib data */
747 struct iwl_sensitivity_data {
749 u32 auto_corr_ofdm_mrc;
750 u32 auto_corr_ofdm_x1;
751 u32 auto_corr_ofdm_mrc_x1;
753 u32 auto_corr_cck_mrc;
755 u32 last_bad_plcp_cnt_ofdm;
756 u32 last_fa_cnt_ofdm;
757 u32 last_bad_plcp_cnt_cck;
763 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
768 s32 nrg_auto_corr_silence_diff;
769 u32 num_in_cck_no_fa;
773 /* Chain noise (differential Rx gain) calib data */
774 struct iwl_chain_noise_data {
783 u8 disconn_array[NUM_RX_CHAINS];
784 u8 delta_gain_code[NUM_RX_CHAINS];
789 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
790 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
794 MEASUREMENT_READY = (1 << 0),
795 MEASUREMENT_ACTIVE = (1 << 1),
799 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
803 /* ieee device used by generic ieee processing code */
804 struct ieee80211_hw *hw;
805 struct ieee80211_channel *ieee_channels;
806 struct ieee80211_rate *ieee_rates;
809 /* temporary frame storage list */
810 struct list_head free_frames;
813 enum ieee80211_band band;
816 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
817 struct iwl_rx_mem_buffer *rxb);
819 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
821 #if defined(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
822 /* spectrum measurement report caching */
823 struct iwl_spectrum_notification measure_report;
824 u8 measurement_status;
826 /* ucode beacon time */
827 u32 ucode_beacon_time;
829 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
830 * Access via channel # using indirect index array */
831 struct iwl_channel_info *channel_info; /* channel info array */
832 u8 channel_count; /* # of channels */
834 /* each calibration channel group in the EEPROM has a derived
835 * clip setting for each rate. 3945 only.*/
836 const struct iwl3945_clip_group clip39_groups[5];
838 /* thermal calibration */
839 s32 temperature; /* degrees Kelvin */
840 s32 last_temperature;
842 /* init calibration results */
843 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
845 /* Scan related variables */
846 unsigned long last_scan_jiffies;
847 unsigned long next_scan_jiffies;
848 unsigned long scan_start;
849 unsigned long scan_pass_start;
850 unsigned long scan_start_tsf;
855 u8 direct_ssid[IW_ESSID_MAX_SIZE];
856 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
860 spinlock_t lock; /* protect general shared data */
861 spinlock_t hcmd_lock; /* protect hcmd */
864 /* basic pci-network driver stuff */
865 struct pci_dev *pci_dev;
867 /* pci hardware address support */
868 void __iomem *hw_base;
873 /* uCode images, save to reload in case of failure */
874 u32 ucode_ver; /* version of ucode, copy of
876 struct fw_desc ucode_code; /* runtime inst */
877 struct fw_desc ucode_data; /* runtime data original */
878 struct fw_desc ucode_data_backup; /* runtime data save/restore */
879 struct fw_desc ucode_init; /* initialization inst */
880 struct fw_desc ucode_init_data; /* initialization data */
881 struct fw_desc ucode_boot; /* bootstrap inst */
882 enum ucode_type ucode_type;
883 u8 ucode_write_complete; /* the image write is complete */
886 struct iwl_rxon_time_cmd rxon_timing;
888 /* We declare this const so it can only be
889 * changed via explicit cast within the
890 * routines that actually update the physical
892 const struct iwl_rxon_cmd active_rxon;
893 struct iwl_rxon_cmd staging_rxon;
895 int error_recovering;
896 struct iwl_rxon_cmd recovery_rxon;
898 /* 1st responses from initialize and runtime uCode images.
899 * 4965's initialize alive response contains some calibration data. */
900 struct iwl_init_alive_resp card_alive_init;
901 struct iwl_alive_resp card_alive;
902 #if defined(CONFIG_IWLWIFI_RFKILL) || defined(CONFIG_IWL3945_RFKILL)
903 struct rfkill *rfkill;
906 #if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
907 unsigned long last_blink_time;
913 #ifdef CONFIG_IWLWIFI_LEDS
914 struct iwl_led led[IWL_LED_TRG_MAX];
917 #ifdef CONFIG_IWL3945_LEDS
918 struct iwl3945_led led39[IWL_LED_TRG_MAX];
919 unsigned int rxtxpackets;
922 u16 active_rate_basic;
924 u8 assoc_station_added;
926 struct iwl_sensitivity_data sensitivity_data;
927 struct iwl_chain_noise_data chain_noise_data;
928 __le16 sensitivity_tbl[HD_TABLE_SIZE];
930 struct iwl_ht_info current_ht_config;
931 u8 last_phy_res[100];
933 /* Rate scaling data */
937 wait_queue_head_t wait_command_queue;
939 int activity_timer_active;
941 /* Rx and Tx DMA processing queues */
942 struct iwl_rx_queue rxq;
943 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
944 unsigned long txq_ctx_active_msk;
945 struct iwl_dma_ptr kw; /* keep warm address */
946 struct iwl_dma_ptr scd_bc_tbls;
948 u32 scd_base_addr; /* scheduler sram base address */
950 unsigned long status;
952 int last_rx_rssi; /* From Rx packet statistics */
953 int last_rx_noise; /* From beacon statistics */
955 /* counts mgmt, ctl, and data packets */
956 struct traffic_stats {
959 } tx_stats[3], rx_stats[3];
961 struct iwl_power_mgr power_data;
963 struct iwl_notif_statistics statistics;
964 unsigned long last_statistics_time;
966 /* context information */
973 u8 mac_addr[ETH_ALEN];
975 /*station table variables */
978 struct iwl_station_entry stations[IWL_STATION_COUNT];
979 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
982 unsigned long ucode_key_table;
984 /* Indication if ieee80211_ops->open has been called */
987 u8 mac80211_registered;
989 /* Rx'd packet timing information */
990 u32 last_beacon_time;
995 struct iwl_eeprom_calib_info *calib_info;
997 enum nl80211_iftype iw_mode;
999 struct sk_buff *ibss_beacon;
1001 /* Last Rx'd beacon timestamp */
1004 struct ieee80211_vif *vif;
1008 dma_addr_t shared_phys;
1010 struct iwl_hw_params hw_params;
1013 /* Current association information needed to configure the
1016 u16 assoc_capability;
1018 struct iwl_qos_info qos_data;
1020 struct workqueue_struct *workqueue;
1022 struct work_struct up;
1023 struct work_struct restart;
1024 struct work_struct calibrated_work;
1025 struct work_struct scan_completed;
1026 struct work_struct rx_replenish;
1027 struct work_struct rf_kill;
1028 struct work_struct abort_scan;
1029 struct work_struct update_link_led;
1030 struct work_struct auth_work;
1031 struct work_struct report_work;
1032 struct work_struct request_scan;
1033 struct work_struct beacon_update;
1035 struct tasklet_struct irq_tasklet;
1037 struct delayed_work set_power_save;
1038 struct delayed_work init_alive_start;
1039 struct delayed_work alive_start;
1040 struct delayed_work scan_check;
1043 struct delayed_work thermal_periodic;
1044 struct delayed_work rfkill_poll;
1047 s8 tx_power_user_lmt;
1048 s8 tx_power_channel_lmt;
1051 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWL3945_DEBUG)
1052 /* debugging info */
1055 atomic_t restrict_refcnt;
1056 #ifdef CONFIG_IWLWIFI_DEBUGFS
1058 struct iwl_debugfs *dbgfs;
1059 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1060 #endif /* CONFIG_IWLWIFI_DEBUG */
1062 struct work_struct txpower_work;
1063 u32 disable_sens_cal;
1064 u32 disable_chain_noise_cal;
1065 u32 disable_tx_power_cal;
1066 struct work_struct run_time_calib_work;
1067 struct timer_list statistics_periodic;
1070 #define IWL_DEFAULT_TX_POWER 0x0F
1071 /* We declare this const so it can only be
1072 * changed via explicit cast within the
1073 * routines that actually update the physical
1075 const struct iwl3945_rxon_cmd active39_rxon;
1076 struct iwl3945_rxon_cmd staging39_rxon;
1077 struct iwl3945_rxon_cmd recovery39_rxon;
1079 struct iwl3945_power_mgr power_data_39;
1080 struct iwl3945_notif_statistics statistics_39;
1082 struct iwl3945_station_entry stations_39[IWL_STATION_COUNT];
1085 struct iwl3945_eeprom eeprom39;
1090 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1092 set_bit(txq_id, &priv->txq_ctx_active_msk);
1095 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1097 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1100 #ifdef CONFIG_IWLWIFI_DEBUG
1101 const char *iwl_get_tx_fail_reason(u32 status);
1103 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1107 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1108 int txq_id, int idx)
1110 if (priv->txq[txq_id].txb[idx].skb[0])
1111 return (struct ieee80211_hdr *)priv->txq[txq_id].
1112 txb[idx].skb[0]->data;
1117 static inline int iwl_is_associated(struct iwl_priv *priv)
1119 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1122 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1124 if (ch_info == NULL)
1126 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1129 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1131 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1134 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1136 return ch_info->band == IEEE80211_BAND_5GHZ;
1139 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1141 return ch_info->band == IEEE80211_BAND_2GHZ;
1144 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1146 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1149 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1151 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1154 #endif /* __iwl_dev_h__ */