1 /******************************************************************************
3 * Copyright(c) 2003 - 2008 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 * James P. Ketrenos <ipw2100-admin@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 #define DRV_NAME "iwlagn"
40 #include "iwl-rfkill.h"
41 #include "iwl-eeprom.h"
42 #include "iwl-4965-hw.h"
45 #include "iwl-debug.h"
47 #include "iwl-power.h"
48 #include "iwl-agn-rs.h"
50 /* configuration for the iwl4965 */
51 extern struct iwl_cfg iwl4965_agn_cfg;
52 extern struct iwl_cfg iwl5300_agn_cfg;
53 extern struct iwl_cfg iwl5100_agn_cfg;
54 extern struct iwl_cfg iwl5350_agn_cfg;
55 extern struct iwl_cfg iwl5100_bg_cfg;
56 extern struct iwl_cfg iwl5100_abg_cfg;
58 /* CT-KILL constants */
59 #define CT_KILL_THRESHOLD 110 /* in Celsius */
61 /* Default noise level to report when noise measurement is not available.
62 * This may be because we're:
63 * 1) Not associated (4965, no beacon statistics being sent to driver)
64 * 2) Scanning (noise measurement does not apply to associated channel)
65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
66 * Use default noise value of -127 ... this is below the range of measurable
67 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
68 * Also, -127 works better than 0 when averaging frames with/without
69 * noise info (e.g. averaging might be done in app); measured dBm values are
70 * always negative ... using a negative value as the default keeps all
71 * averages within an s8's (used in some apps) range of negative values. */
72 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
75 * RTS threshold here is total size [2347] minus 4 FCS bytes
77 * a value of 0 means RTS on all data/management packets
78 * a value > max MSDU size means no RTS
79 * else RTS for data/management frames where MPDU is larger
82 #define DEFAULT_RTS_THRESHOLD 2347U
83 #define MIN_RTS_THRESHOLD 0U
84 #define MAX_RTS_THRESHOLD 2347U
85 #define MAX_MSDU_SIZE 2304U
86 #define MAX_MPDU_SIZE 2346U
87 #define DEFAULT_BEACON_INTERVAL 100U
88 #define DEFAULT_SHORT_RETRY_LIMIT 7U
89 #define DEFAULT_LONG_RETRY_LIMIT 4U
91 struct iwl_rx_mem_buffer {
94 struct list_head list;
98 * Generic queue structure
100 * Contains common data for Rx and Tx queues
103 int n_bd; /* number of BDs in this queue */
104 int write_ptr; /* 1-st empty entry (index) host_w*/
105 int read_ptr; /* last used entry (index) host_r*/
106 dma_addr_t dma_addr; /* physical addr for BD's */
107 int n_window; /* safe queue window */
109 int low_mark; /* low watermark, resume queue if free
110 * space more than this */
111 int high_mark; /* high watermark, stop queue if free
112 * space less than this */
113 } __attribute__ ((packed));
115 #define MAX_NUM_OF_TBS (20)
117 /* One for each TFD */
119 struct sk_buff *skb[MAX_NUM_OF_TBS];
123 * struct iwl_tx_queue - Tx Queue for DMA
124 * @q: generic Rx/Tx queue descriptor
125 * @bd: base of circular buffer of TFDs
126 * @cmd: array of command/Tx buffers
127 * @dma_addr_cmd: physical address of cmd/tx buffer array
128 * @txb: array of per-TFD driver data
129 * @need_update: indicates need to update read/write index
130 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
132 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
133 * descriptors) and required locking structures.
135 struct iwl_tx_queue {
137 struct iwl_tfd_frame *bd;
138 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
139 struct iwl_tx_info *txb;
145 #define IWL_NUM_SCAN_RATES (2)
147 struct iwl4965_channel_tgd_info {
152 struct iwl4965_channel_tgh_info {
157 * One for each channel, holds all channel setup data
158 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
161 struct iwl_channel_info {
162 struct iwl4965_channel_tgd_info tgd;
163 struct iwl4965_channel_tgh_info tgh;
164 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
165 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
168 u8 channel; /* channel number */
169 u8 flags; /* flags copied from EEPROM */
170 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
171 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
172 s8 min_power; /* always 0 */
173 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
175 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
176 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
177 enum ieee80211_band band;
179 /* FAT channel info */
180 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
181 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
182 s8 fat_min_power; /* always 0 */
183 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
184 u8 fat_flags; /* flags copied from EEPROM */
185 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
188 struct iwl4965_clip_group {
189 /* maximum power level to prevent clipping for each rate, derived by
190 * us from this band's saturation power in EEPROM */
191 const s8 clip_powers[IWL_MAX_RATES];
195 #define IWL_TX_FIFO_AC0 0
196 #define IWL_TX_FIFO_AC1 1
197 #define IWL_TX_FIFO_AC2 2
198 #define IWL_TX_FIFO_AC3 3
199 #define IWL_TX_FIFO_HCCA_1 5
200 #define IWL_TX_FIFO_HCCA_2 6
201 #define IWL_TX_FIFO_NONE 7
203 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
204 #define IWL_MIN_NUM_QUEUES 4
206 /* Power management (not Tx power) structures */
213 #define IEEE80211_DATA_LEN 2304
214 #define IEEE80211_4ADDR_LEN 30
215 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
216 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
220 struct ieee80211_hdr frame;
221 struct iwl_tx_beacon_cmd beacon;
222 u8 raw[IEEE80211_FRAME_LEN];
225 struct list_head list;
228 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
229 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
230 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
233 /* CMD_SIZE_NORMAL = 0, */
234 CMD_SIZE_HUGE = (1 << 0),
236 CMD_ASYNC = (1 << 1),
237 /* CMD_NO_SKB = 0, */
238 CMD_WANT_SKB = (1 << 2),
244 struct iwl_cmd_meta {
245 struct iwl_cmd_meta *source;
248 int (*callback)(struct iwl_priv *priv,
249 struct iwl_cmd *cmd, struct sk_buff *skb);
250 } __attribute__ ((packed)) u;
252 /* The CMD_SIZE_HUGE flag bit indicates that the command
253 * structure is stored at the end of the shared queue memory. */
256 } __attribute__ ((packed));
258 #define IWL_CMD_MAX_PAYLOAD 320
263 * For allocation of the command and tx queues, this establishes the overall
264 * size of the largest command we send to uCode, except for a scan command
265 * (which is relatively huge; space is allocated separately).
268 struct iwl_cmd_meta meta; /* driver data */
269 struct iwl_cmd_header hdr; /* uCode API */
271 struct iwl_addsta_cmd addsta;
272 struct iwl_led_cmd led;
277 struct iwl4965_bt_cmd bt;
278 struct iwl4965_rxon_time_cmd rxon_time;
279 struct iwl_powertable_cmd powertable;
280 struct iwl_qosparam_cmd qosparam;
281 struct iwl_tx_cmd tx;
282 struct iwl4965_rxon_assoc_cmd rxon_assoc;
283 struct iwl_rem_sta_cmd rm_sta;
285 u8 payload[IWL_CMD_MAX_PAYLOAD];
286 } __attribute__ ((packed)) cmd;
287 } __attribute__ ((packed));
289 struct iwl_host_cmd {
292 struct iwl_cmd_meta meta;
296 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
297 sizeof(struct iwl_cmd_meta))
300 * RX related structures and functions
302 #define RX_FREE_BUFFERS 64
303 #define RX_LOW_WATERMARK 8
305 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
306 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
307 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
310 * struct iwl_rx_queue - Rx queue
311 * @processed: Internal index to last handled Rx packet
312 * @read: Shared index to newest available Rx buffer
313 * @write: Shared index to oldest written Rx packet
314 * @free_count: Number of pre-allocated buffers in rx_free
315 * @rx_free: list of free SKBs for use
316 * @rx_used: List of Rx buffers with no SKB
317 * @need_update: flag to indicate we need to update read/write index
319 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
321 struct iwl_rx_queue {
324 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
325 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
330 struct list_head rx_free;
331 struct list_head rx_used;
336 #define IWL_SUPPORTED_RATES_IE_LEN 8
338 #define SCAN_INTERVAL 100
340 #define MAX_A_CHANNELS 252
341 #define MIN_A_CHANNELS 7
343 #define MAX_B_CHANNELS 14
344 #define MIN_B_CHANNELS 1
346 #define MAX_TID_COUNT 9
348 #define IWL_INVALID_RATE 0xFF
349 #define IWL_INVALID_VALUE -1
352 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
353 * @txq_id: Tx queue used for Tx attempt
354 * @frame_count: # frames attempted by Tx command
355 * @wait_for_ba: Expect block-ack before next Tx reply
356 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
357 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
358 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
359 * @rate_n_flags: Rate at which Tx was attempted
361 * If REPLY_TX indicates that aggregation was attempted, driver must wait
362 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
363 * until block ack arrives.
372 #define IWL_AGG_OFF 0
374 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
375 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
380 struct iwl_tid_data {
383 struct iwl_ht_agg agg;
387 enum ieee80211_key_alg alg;
393 union iwl4965_ht_rate_supp {
401 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
402 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
403 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
406 /* self configuration data */
408 u8 supported_chan_width;
410 u8 sgf; /* HT_SHORT_GI_* short guard interval */
415 /* BSS related data */
417 u8 extension_chan_offset;
420 u8 non_GF_STA_present;
423 union iwl_qos_capabity {
425 u8 edca_count:4; /* bit 0-3 */
426 u8 q_ack:1; /* bit 4 */
427 u8 queue_request:1; /* bit 5 */
428 u8 txop_request:1; /* bit 6 */
429 u8 reserved:1; /* bit 7 */
432 u8 acvo_APSD:1; /* bit 0 */
433 u8 acvi_APSD:1; /* bit 1 */
434 u8 ac_bk_APSD:1; /* bit 2 */
435 u8 ac_be_APSD:1; /* bit 3 */
436 u8 q_ack:1; /* bit 4 */
437 u8 max_len:2; /* bit 5-6 */
438 u8 more_data_ack:1; /* bit 7 */
444 struct iwl_qos_info {
447 union iwl_qos_capabity qos_cap;
448 struct iwl_qosparam_cmd def_qos_parm;
451 #define STA_PS_STATUS_WAKE 0
452 #define STA_PS_STATUS_SLEEP 1
454 struct iwl_station_entry {
455 struct iwl_addsta_cmd sta;
456 struct iwl_tid_data tid[MAX_TID_COUNT];
459 struct iwl_hw_key keyinfo;
462 /* one for each uCode image (inst/data, boot/init/runtime) */
464 void *v_addr; /* access by driver */
465 dma_addr_t p_addr; /* access by card's busmaster DMA */
469 /* uCode file layout */
471 __le32 ver; /* major/minor/subminor */
472 __le32 inst_size; /* bytes of runtime instructions */
473 __le32 data_size; /* bytes of runtime data */
474 __le32 init_size; /* bytes of initialization instructions */
475 __le32 init_data_size; /* bytes of initialization data */
476 __le32 boot_size; /* bytes of bootstrap instructions */
477 u8 data[0]; /* data in same order as "size" elements */
480 struct iwl4965_ibss_seq {
484 unsigned long packet_time;
485 struct list_head list;
488 struct iwl_sensitivity_ranges {
495 u16 auto_corr_min_ofdm;
496 u16 auto_corr_min_ofdm_mrc;
497 u16 auto_corr_min_ofdm_x1;
498 u16 auto_corr_min_ofdm_mrc_x1;
500 u16 auto_corr_max_ofdm;
501 u16 auto_corr_max_ofdm_mrc;
502 u16 auto_corr_max_ofdm_x1;
503 u16 auto_corr_max_ofdm_mrc_x1;
505 u16 auto_corr_max_cck;
506 u16 auto_corr_max_cck_mrc;
507 u16 auto_corr_min_cck;
508 u16 auto_corr_min_cck_mrc;
512 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
515 * struct iwl_hw_params
516 * @max_txq_num: Max # Tx queues supported
517 * @tx/rx_chains_num: Number of TX/RX chains
518 * @valid_tx/rx_ant: usable antennas
519 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
520 * @max_rxq_log: Log-base-2 of max_rxq_size
521 * @rx_buf_size: Rx buffer size
524 * @fat_channel: is 40MHz width possible in band 2.4
525 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
526 * @sw_crypto: 0 for hw, 1 for sw
527 * @max_xxx_size: for ucode uses
528 * @ct_kill_threshold: temperature threshold
529 * @struct iwl_sensitivity_ranges: range of sensitivity values
530 * @first_ampdu_q: first HW queue available for ampdu
532 struct iwl_hw_params {
549 u32 ct_kill_threshold; /* value in hw-dependent units */
550 const struct iwl_sensitivity_ranges *sens;
554 #define HT_SHORT_GI_20MHZ (1 << 0)
555 #define HT_SHORT_GI_40MHZ (1 << 1)
558 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
559 x->u.rx_frame.stats.payload + \
560 x->u.rx_frame.stats.phy_count))
561 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
562 IWL_RX_HDR(x)->payload + \
563 le16_to_cpu(IWL_RX_HDR(x)->len)))
564 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
565 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
568 /******************************************************************************
570 * Functions implemented in iwl-base.c which are forward declared here
573 *****************************************************************************/
574 struct iwl_addsta_cmd;
575 extern int iwl_send_add_sta(struct iwl_priv *priv,
576 struct iwl_addsta_cmd *sta, u8 flags);
577 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
578 u8 flags, struct ieee80211_ht_info *ht_info);
579 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
580 struct ieee80211_hdr *hdr,
581 const u8 *dest, int left);
582 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
583 int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
584 extern int iwl4965_set_power(struct iwl_priv *priv, void *cmd);
586 extern const u8 iwl_bcast_addr[ETH_ALEN];
588 /******************************************************************************
590 * Functions implemented in iwl-[34]*.c which are forward declared here
591 * for use by iwl-base.c
593 * NOTE: The implementation of these functions are hardware specific
594 * which is why they are in the hardware specific files (vs. iwl-base.c)
596 * Naming convention --
597 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
598 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
599 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
600 * iwl4965_bg_ <-- Called from work queue context
601 * iwl4965_mac_ <-- mac80211 callback
603 ****************************************************************************/
604 extern int iwl_rxq_stop(struct iwl_priv *priv);
605 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
606 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
607 struct iwl_frame *frame, u8 rate);
608 extern void iwl4965_disable_events(struct iwl_priv *priv);
610 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
611 extern int iwl_queue_space(const struct iwl_queue *q);
612 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
614 return q->write_ptr > q->read_ptr ?
615 (i >= q->read_ptr && i < q->write_ptr) :
616 !(i < q->read_ptr && i >= q->write_ptr);
620 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
622 /* This is for scan command, the big buffer at end of command array */
624 return q->n_window; /* must be power of 2 */
626 /* Otherwise, use normal size buffers */
627 return index & (q->n_window - 1);
634 /* Structures, enum, and defines specific to the 4965 */
636 #define IWL_KW_SIZE 0x1000 /*4k */
644 #define IWL_CHANNEL_WIDTH_20MHZ 0
645 #define IWL_CHANNEL_WIDTH_40MHZ 1
647 #define IWL_MIMO_PS_STATIC 0
648 #define IWL_MIMO_PS_NONE 3
649 #define IWL_MIMO_PS_DYNAMIC 1
650 #define IWL_MIMO_PS_INVALID 2
652 #define IWL_OPERATION_MODE_AUTO 0
653 #define IWL_OPERATION_MODE_HT_ONLY 1
654 #define IWL_OPERATION_MODE_MIXED 2
655 #define IWL_OPERATION_MODE_20MHZ 3
657 #define IWL_TX_CRC_SIZE 4
658 #define IWL_TX_DELIMITER_SIZE 4
660 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
662 /* Sensitivity and chain noise calibration */
663 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
664 #define INITIALIZATION_VALUE 0xFFFF
665 #define CAL_NUM_OF_BEACONS 20
666 #define MAXIMUM_ALLOWED_PATHLOSS 15
668 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
670 #define MAX_FA_OFDM 50
671 #define MIN_FA_OFDM 5
672 #define MAX_FA_CCK 50
675 #define AUTO_CORR_STEP_OFDM 1
677 #define AUTO_CORR_STEP_CCK 3
678 #define AUTO_CORR_MAX_TH_CCK 160
681 #define NRG_STEP_CCK 2
683 #define MAX_NUMBER_CCK_NO_FA 100
685 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
690 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
691 #define ALL_BAND_FILTER 0xFF00
692 #define IN_BAND_FILTER 0xFF
693 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
695 #define NRG_NUM_PREV_STAT_L 20
696 #define NUM_RX_CHAINS 3
698 enum iwl4965_false_alarm_state {
701 IWL_FA_GOOD_RANGE = 2,
704 enum iwl4965_chain_noise_state {
705 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
706 IWL_CHAIN_NOISE_ACCUMULATE = 1,
707 IWL_CHAIN_NOISE_CALIBRATED = 2,
710 enum iwl4965_calib_enabled_state {
711 IWL_CALIB_DISABLED = 0, /* must be 0 */
712 IWL_CALIB_ENABLED = 1,
715 struct statistics_general_data {
716 u32 beacon_silence_rssi_a;
717 u32 beacon_silence_rssi_b;
718 u32 beacon_silence_rssi_c;
724 /* Opaque calibration results */
725 struct iwl_calib_result {
736 /* Sensitivity calib data */
737 struct iwl_sensitivity_data {
739 u32 auto_corr_ofdm_mrc;
740 u32 auto_corr_ofdm_x1;
741 u32 auto_corr_ofdm_mrc_x1;
743 u32 auto_corr_cck_mrc;
745 u32 last_bad_plcp_cnt_ofdm;
746 u32 last_fa_cnt_ofdm;
747 u32 last_bad_plcp_cnt_cck;
753 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
758 s32 nrg_auto_corr_silence_diff;
759 u32 num_in_cck_no_fa;
763 /* Chain noise (differential Rx gain) calib data */
764 struct iwl_chain_noise_data {
773 u8 disconn_array[NUM_RX_CHAINS];
774 u8 delta_gain_code[NUM_RX_CHAINS];
778 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
779 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
783 MEASUREMENT_READY = (1 << 0),
784 MEASUREMENT_ACTIVE = (1 << 1),
788 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
789 #define IWL_CALIB_MAX 3
793 /* ieee device used by generic ieee processing code */
794 struct ieee80211_hw *hw;
795 struct ieee80211_channel *ieee_channels;
796 struct ieee80211_rate *ieee_rates;
799 /* temporary frame storage list */
800 struct list_head free_frames;
803 enum ieee80211_band band;
806 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
807 struct iwl_rx_mem_buffer *rxb);
809 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
811 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
812 /* spectrum measurement report caching */
813 struct iwl4965_spectrum_notification measure_report;
814 u8 measurement_status;
816 /* ucode beacon time */
817 u32 ucode_beacon_time;
819 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
820 * Access via channel # using indirect index array */
821 struct iwl_channel_info *channel_info; /* channel info array */
822 u8 channel_count; /* # of channels */
824 /* each calibration channel group in the EEPROM has a derived
825 * clip setting for each rate. */
826 const struct iwl4965_clip_group clip_groups[5];
828 /* thermal calibration */
829 s32 temperature; /* degrees Kelvin */
830 s32 last_temperature;
832 /* init calibration results */
833 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
835 /* Scan related variables */
836 unsigned long last_scan_jiffies;
837 unsigned long next_scan_jiffies;
838 unsigned long scan_start;
839 unsigned long scan_pass_start;
840 unsigned long scan_start_tsf;
844 u8 direct_ssid[IW_ESSID_MAX_SIZE];
845 struct iwl_scan_cmd *scan;
846 u32 scan_tx_ant[IEEE80211_NUM_BANDS];
849 spinlock_t lock; /* protect general shared data */
850 spinlock_t hcmd_lock; /* protect hcmd */
853 /* basic pci-network driver stuff */
854 struct pci_dev *pci_dev;
856 /* pci hardware address support */
857 void __iomem *hw_base;
862 /* uCode images, save to reload in case of failure */
863 struct fw_desc ucode_code; /* runtime inst */
864 struct fw_desc ucode_data; /* runtime data original */
865 struct fw_desc ucode_data_backup; /* runtime data save/restore */
866 struct fw_desc ucode_init; /* initialization inst */
867 struct fw_desc ucode_init_data; /* initialization data */
868 struct fw_desc ucode_boot; /* bootstrap inst */
869 enum ucode_type ucode_type;
870 u8 ucode_write_complete; /* the image write is complete */
873 struct iwl4965_rxon_time_cmd rxon_timing;
875 /* We declare this const so it can only be
876 * changed via explicit cast within the
877 * routines that actually update the physical
879 const struct iwl_rxon_cmd active_rxon;
880 struct iwl_rxon_cmd staging_rxon;
882 int error_recovering;
883 struct iwl_rxon_cmd recovery_rxon;
885 /* 1st responses from initialize and runtime uCode images.
886 * 4965's initialize alive response contains some calibration data. */
887 struct iwl_init_alive_resp card_alive_init;
888 struct iwl_alive_resp card_alive;
889 #ifdef CONFIG_IWLWIFI_RFKILL
890 struct rfkill *rfkill;
893 #ifdef CONFIG_IWLWIFI_LEDS
894 struct iwl_led led[IWL_LED_TRG_MAX];
895 unsigned long last_blink_time;
902 u16 active_rate_basic;
904 u8 assoc_station_added;
905 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
907 struct iwl_sensitivity_data sensitivity_data;
908 struct iwl_chain_noise_data chain_noise_data;
909 __le16 sensitivity_tbl[HD_TABLE_SIZE];
911 struct iwl_ht_info current_ht_config;
912 u8 last_phy_res[100];
914 /* Rate scaling data */
918 wait_queue_head_t wait_command_queue;
920 int activity_timer_active;
922 /* Rx and Tx DMA processing queues */
923 struct iwl_rx_queue rxq;
924 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
925 unsigned long txq_ctx_active_msk;
926 struct iwl_kw kw; /* keep warm address */
927 u32 scd_base_addr; /* scheduler sram base address */
929 unsigned long status;
931 int last_rx_rssi; /* From Rx packet statisitics */
932 int last_rx_noise; /* From beacon statistics */
934 /* counts mgmt, ctl, and data packets */
935 struct traffic_stats {
938 } tx_stats[3], rx_stats[3];
940 struct iwl_power_mgr power_data;
942 struct iwl_notif_statistics statistics;
943 unsigned long last_statistics_time;
945 /* context information */
946 u8 essid[IW_ESSID_MAX_SIZE];
954 u8 mac_addr[ETH_ALEN];
956 /*station table variables */
959 struct iwl_station_entry stations[IWL_STATION_COUNT];
960 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
963 unsigned long ucode_key_table;
965 /* Indication if ieee80211_ops->open has been called */
968 u8 mac80211_registered;
970 /* Rx'd packet timing information */
971 u32 last_beacon_time;
976 struct iwl_eeprom_calib_info *calib_info;
978 enum ieee80211_if_types iw_mode;
980 struct sk_buff *ibss_beacon;
982 /* Last Rx'd beacon timestamp */
985 struct ieee80211_vif *vif;
987 struct iwl_hw_params hw_params;
988 /* driver/uCode shared Tx Byte Counts and Rx status */
990 int rb_closed_offset;
991 /* Physical Pointer to Tx Byte Counts and Rx status */
992 dma_addr_t shared_phys;
994 /* Current association information needed to configure the
997 u16 assoc_capability;
1000 struct iwl_qos_info qos_data;
1002 struct workqueue_struct *workqueue;
1004 struct work_struct up;
1005 struct work_struct restart;
1006 struct work_struct calibrated_work;
1007 struct work_struct scan_completed;
1008 struct work_struct rx_replenish;
1009 struct work_struct rf_kill;
1010 struct work_struct abort_scan;
1011 struct work_struct update_link_led;
1012 struct work_struct auth_work;
1013 struct work_struct report_work;
1014 struct work_struct request_scan;
1015 struct work_struct beacon_update;
1016 struct work_struct set_monitor;
1018 struct tasklet_struct irq_tasklet;
1020 struct delayed_work set_power_save;
1021 struct delayed_work init_alive_start;
1022 struct delayed_work alive_start;
1023 struct delayed_work scan_check;
1025 s8 tx_power_user_lmt;
1026 s8 tx_power_channel_lmt;
1032 #ifdef CONFIG_IWLWIFI_DEBUG
1033 /* debugging info */
1036 atomic_t restrict_refcnt;
1037 #ifdef CONFIG_IWLWIFI_DEBUGFS
1039 struct iwl_debugfs *dbgfs;
1040 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1041 #endif /* CONFIG_IWLWIFI_DEBUG */
1043 struct work_struct txpower_work;
1044 u32 disable_sens_cal;
1045 u32 disable_chain_noise_cal;
1046 u32 disable_tx_power_cal;
1047 struct work_struct run_time_calib_work;
1048 struct timer_list statistics_periodic;
1051 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1053 set_bit(txq_id, &priv->txq_ctx_active_msk);
1056 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1058 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1061 #ifdef CONFIG_IWLWIFI_DEBUG
1062 const char *iwl_get_tx_fail_reason(u32 status);
1064 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1068 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1069 int txq_id, int idx)
1071 if (priv->txq[txq_id].txb[idx].skb[0])
1072 return (struct ieee80211_hdr *)priv->txq[txq_id].
1073 txb[idx].skb[0]->data;
1078 static inline int iwl_is_associated(struct iwl_priv *priv)
1080 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1083 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1085 if (ch_info == NULL)
1087 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1090 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1092 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1095 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1097 return ch_info->band == IEEE80211_BAND_5GHZ;
1100 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1102 return ch_info->band == IEEE80211_BAND_2GHZ;
1105 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1107 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1110 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1112 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1115 #ifdef CONFIG_IWLWIFI_DEBUG
1116 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1119 if (!(priv->debug_level & level))
1122 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1126 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1132 extern const struct iwl_channel_info *iwl_get_channel_info(
1133 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1135 /* Requires full declaration of iwl_priv before including */
1137 #endif /* __iwl_dev_h__ */