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 "iwl4965"
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;
139 dma_addr_t dma_addr_cmd;
140 struct iwl_tx_info *txb;
146 #define IWL_NUM_SCAN_RATES (2)
148 struct iwl4965_channel_tgd_info {
153 struct iwl4965_channel_tgh_info {
158 * One for each channel, holds all channel setup data
159 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
162 struct iwl_channel_info {
163 struct iwl4965_channel_tgd_info tgd;
164 struct iwl4965_channel_tgh_info tgh;
165 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
166 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
169 u8 channel; /* channel number */
170 u8 flags; /* flags copied from EEPROM */
171 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
172 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
173 s8 min_power; /* always 0 */
174 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
176 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
177 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
178 enum ieee80211_band band;
180 /* FAT channel info */
181 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
182 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
183 s8 fat_min_power; /* always 0 */
184 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
185 u8 fat_flags; /* flags copied from EEPROM */
186 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
189 struct iwl4965_clip_group {
190 /* maximum power level to prevent clipping for each rate, derived by
191 * us from this band's saturation power in EEPROM */
192 const s8 clip_powers[IWL_MAX_RATES];
196 #define IWL_TX_FIFO_AC0 0
197 #define IWL_TX_FIFO_AC1 1
198 #define IWL_TX_FIFO_AC2 2
199 #define IWL_TX_FIFO_AC3 3
200 #define IWL_TX_FIFO_HCCA_1 5
201 #define IWL_TX_FIFO_HCCA_2 6
202 #define IWL_TX_FIFO_NONE 7
204 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
205 #define IWL_MIN_NUM_QUEUES 4
207 /* Power management (not Tx power) structures */
214 #define IEEE80211_DATA_LEN 2304
215 #define IEEE80211_4ADDR_LEN 30
216 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
217 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
221 struct ieee80211_hdr frame;
222 struct iwl_tx_beacon_cmd beacon;
223 u8 raw[IEEE80211_FRAME_LEN];
226 struct list_head list;
229 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
230 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
231 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
232 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
233 #define SEQ_HUGE_FRAME (0x4000)
234 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
235 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
236 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
237 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
240 /* CMD_SIZE_NORMAL = 0, */
241 CMD_SIZE_HUGE = (1 << 0),
243 CMD_ASYNC = (1 << 1),
244 /* CMD_NO_SKB = 0, */
245 CMD_WANT_SKB = (1 << 2),
251 struct iwl_cmd_meta {
252 struct iwl_cmd_meta *source;
255 int (*callback)(struct iwl_priv *priv,
256 struct iwl_cmd *cmd, struct sk_buff *skb);
257 } __attribute__ ((packed)) u;
259 /* The CMD_SIZE_HUGE flag bit indicates that the command
260 * structure is stored at the end of the shared queue memory. */
263 } __attribute__ ((packed));
265 #define IWL_CMD_MAX_PAYLOAD 320
270 * For allocation of the command and tx queues, this establishes the overall
271 * size of the largest command we send to uCode, except for a scan command
272 * (which is relatively huge; space is allocated separately).
275 struct iwl_cmd_meta meta; /* driver data */
276 struct iwl_cmd_header hdr; /* uCode API */
278 struct iwl_addsta_cmd addsta;
279 struct iwl_led_cmd led;
284 struct iwl4965_bt_cmd bt;
285 struct iwl4965_rxon_time_cmd rxon_time;
286 struct iwl_powertable_cmd powertable;
287 struct iwl_qosparam_cmd qosparam;
288 struct iwl_tx_cmd tx;
289 struct iwl4965_rxon_assoc_cmd rxon_assoc;
290 struct iwl_rem_sta_cmd rm_sta;
292 u8 payload[IWL_CMD_MAX_PAYLOAD];
293 } __attribute__ ((packed)) cmd;
294 } __attribute__ ((packed));
296 struct iwl_host_cmd {
299 struct iwl_cmd_meta meta;
303 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
304 sizeof(struct iwl_cmd_meta))
307 * RX related structures and functions
309 #define RX_FREE_BUFFERS 64
310 #define RX_LOW_WATERMARK 8
312 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
313 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
314 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
317 * struct iwl_rx_queue - Rx queue
318 * @processed: Internal index to last handled Rx packet
319 * @read: Shared index to newest available Rx buffer
320 * @write: Shared index to oldest written Rx packet
321 * @free_count: Number of pre-allocated buffers in rx_free
322 * @rx_free: list of free SKBs for use
323 * @rx_used: List of Rx buffers with no SKB
324 * @need_update: flag to indicate we need to update read/write index
326 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
328 struct iwl_rx_queue {
331 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
332 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
337 struct list_head rx_free;
338 struct list_head rx_used;
343 #define IWL_SUPPORTED_RATES_IE_LEN 8
345 #define SCAN_INTERVAL 100
347 #define MAX_A_CHANNELS 252
348 #define MIN_A_CHANNELS 7
350 #define MAX_B_CHANNELS 14
351 #define MIN_B_CHANNELS 1
353 #define MAX_TID_COUNT 9
355 #define IWL_INVALID_RATE 0xFF
356 #define IWL_INVALID_VALUE -1
359 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
360 * @txq_id: Tx queue used for Tx attempt
361 * @frame_count: # frames attempted by Tx command
362 * @wait_for_ba: Expect block-ack before next Tx reply
363 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
364 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
365 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
366 * @rate_n_flags: Rate at which Tx was attempted
368 * If REPLY_TX indicates that aggregation was attempted, driver must wait
369 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
370 * until block ack arrives.
379 #define IWL_AGG_OFF 0
381 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
382 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
387 struct iwl_tid_data {
390 struct iwl_ht_agg agg;
394 enum ieee80211_key_alg alg;
400 union iwl4965_ht_rate_supp {
408 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
409 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
410 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
413 /* self configuration data */
415 u8 supported_chan_width;
418 u8 sgf; /* HT_SHORT_GI_* short guard interval */
423 /* BSS related data */
425 u8 extension_chan_offset;
428 u8 non_GF_STA_present;
431 union iwl_qos_capabity {
433 u8 edca_count:4; /* bit 0-3 */
434 u8 q_ack:1; /* bit 4 */
435 u8 queue_request:1; /* bit 5 */
436 u8 txop_request:1; /* bit 6 */
437 u8 reserved:1; /* bit 7 */
440 u8 acvo_APSD:1; /* bit 0 */
441 u8 acvi_APSD:1; /* bit 1 */
442 u8 ac_bk_APSD:1; /* bit 2 */
443 u8 ac_be_APSD:1; /* bit 3 */
444 u8 q_ack:1; /* bit 4 */
445 u8 max_len:2; /* bit 5-6 */
446 u8 more_data_ack:1; /* bit 7 */
452 struct iwl_qos_info {
455 union iwl_qos_capabity qos_cap;
456 struct iwl_qosparam_cmd def_qos_parm;
459 #define STA_PS_STATUS_WAKE 0
460 #define STA_PS_STATUS_SLEEP 1
462 struct iwl_station_entry {
463 struct iwl_addsta_cmd sta;
464 struct iwl_tid_data tid[MAX_TID_COUNT];
467 struct iwl_hw_key keyinfo;
470 /* one for each uCode image (inst/data, boot/init/runtime) */
472 void *v_addr; /* access by driver */
473 dma_addr_t p_addr; /* access by card's busmaster DMA */
477 /* uCode file layout */
479 __le32 ver; /* major/minor/subminor */
480 __le32 inst_size; /* bytes of runtime instructions */
481 __le32 data_size; /* bytes of runtime data */
482 __le32 init_size; /* bytes of initialization instructions */
483 __le32 init_data_size; /* bytes of initialization data */
484 __le32 boot_size; /* bytes of bootstrap instructions */
485 u8 data[0]; /* data in same order as "size" elements */
488 struct iwl4965_ibss_seq {
492 unsigned long packet_time;
493 struct list_head list;
496 struct iwl_sensitivity_ranges {
503 u16 auto_corr_min_ofdm;
504 u16 auto_corr_min_ofdm_mrc;
505 u16 auto_corr_min_ofdm_x1;
506 u16 auto_corr_min_ofdm_mrc_x1;
508 u16 auto_corr_max_ofdm;
509 u16 auto_corr_max_ofdm_mrc;
510 u16 auto_corr_max_ofdm_x1;
511 u16 auto_corr_max_ofdm_mrc_x1;
513 u16 auto_corr_max_cck;
514 u16 auto_corr_max_cck_mrc;
515 u16 auto_corr_min_cck;
516 u16 auto_corr_min_cck_mrc;
520 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
523 * struct iwl_hw_params
524 * @max_txq_num: Max # Tx queues supported
525 * @tx/rx_chains_num: Number of TX/RX chains
526 * @valid_tx/rx_ant: usable antennas
527 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
528 * @max_rxq_log: Log-base-2 of max_rxq_size
529 * @rx_buf_size: Rx buffer size
532 * @fat_channel: is 40MHz width possible in band 2.4
533 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
534 * @sw_crypto: 0 for hw, 1 for sw
535 * @max_xxx_size: for ucode uses
536 * @ct_kill_threshold: temperature threshold
537 * @struct iwl_sensitivity_ranges: range of sensitivity values
538 * @first_ampdu_q: first HW queue available for ampdu
540 struct iwl_hw_params {
557 u32 ct_kill_threshold; /* value in hw-dependent units */
558 const struct iwl_sensitivity_ranges *sens;
562 #define HT_SHORT_GI_20MHZ (1 << 0)
563 #define HT_SHORT_GI_40MHZ (1 << 1)
566 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
567 x->u.rx_frame.stats.payload + \
568 x->u.rx_frame.stats.phy_count))
569 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
570 IWL_RX_HDR(x)->payload + \
571 le16_to_cpu(IWL_RX_HDR(x)->len)))
572 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
573 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
576 /******************************************************************************
578 * Functions implemented in iwl-base.c which are forward declared here
581 *****************************************************************************/
582 struct iwl_addsta_cmd;
583 extern int iwl_send_add_sta(struct iwl_priv *priv,
584 struct iwl_addsta_cmd *sta, u8 flags);
585 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
586 u8 flags, struct ieee80211_ht_info *ht_info);
587 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
588 struct ieee80211_hdr *hdr,
589 const u8 *dest, int left);
590 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
591 int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
592 extern int iwl4965_set_power(struct iwl_priv *priv, void *cmd);
594 extern const u8 iwl_bcast_addr[ETH_ALEN];
596 /******************************************************************************
598 * Functions implemented in iwl-[34]*.c which are forward declared here
599 * for use by iwl-base.c
601 * NOTE: The implementation of these functions are hardware specific
602 * which is why they are in the hardware specific files (vs. iwl-base.c)
604 * Naming convention --
605 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
606 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
607 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
608 * iwl4965_bg_ <-- Called from work queue context
609 * iwl4965_mac_ <-- mac80211 callback
611 ****************************************************************************/
612 extern int iwl_rxq_stop(struct iwl_priv *priv);
613 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
614 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
615 struct iwl_frame *frame, u8 rate);
616 extern void iwl4965_disable_events(struct iwl_priv *priv);
618 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
619 extern int iwl_queue_space(const struct iwl_queue *q);
620 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
622 return q->write_ptr > q->read_ptr ?
623 (i >= q->read_ptr && i < q->write_ptr) :
624 !(i < q->read_ptr && i >= q->write_ptr);
628 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
630 /* This is for scan command, the big buffer at end of command array */
632 return q->n_window; /* must be power of 2 */
634 /* Otherwise, use normal size buffers */
635 return index & (q->n_window - 1);
642 * Forward declare iwl-4965.c functions for iwl-base.c
644 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
645 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
648 /* Structures, enum, and defines specific to the 4965 */
650 #define IWL_KW_SIZE 0x1000 /*4k */
658 #define IWL_CHANNEL_WIDTH_20MHZ 0
659 #define IWL_CHANNEL_WIDTH_40MHZ 1
661 #define IWL_MIMO_PS_STATIC 0
662 #define IWL_MIMO_PS_NONE 3
663 #define IWL_MIMO_PS_DYNAMIC 1
664 #define IWL_MIMO_PS_INVALID 2
666 #define IWL_OPERATION_MODE_AUTO 0
667 #define IWL_OPERATION_MODE_HT_ONLY 1
668 #define IWL_OPERATION_MODE_MIXED 2
669 #define IWL_OPERATION_MODE_20MHZ 3
671 #define IWL_TX_CRC_SIZE 4
672 #define IWL_TX_DELIMITER_SIZE 4
674 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
676 struct iwl4965_lq_mngr {
680 u8 *next_higher_rate;
683 unsigned long stamp_last;
688 /* Sensitivity and chain noise calibration */
689 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
690 #define INITIALIZATION_VALUE 0xFFFF
691 #define CAL_NUM_OF_BEACONS 20
692 #define MAXIMUM_ALLOWED_PATHLOSS 15
694 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
696 #define MAX_FA_OFDM 50
697 #define MIN_FA_OFDM 5
698 #define MAX_FA_CCK 50
701 #define AUTO_CORR_STEP_OFDM 1
703 #define AUTO_CORR_STEP_CCK 3
704 #define AUTO_CORR_MAX_TH_CCK 160
707 #define NRG_STEP_CCK 2
709 #define MAX_NUMBER_CCK_NO_FA 100
711 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
716 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
717 #define ALL_BAND_FILTER 0xFF00
718 #define IN_BAND_FILTER 0xFF
719 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
721 #define NRG_NUM_PREV_STAT_L 20
722 #define NUM_RX_CHAINS 3
724 enum iwl4965_false_alarm_state {
727 IWL_FA_GOOD_RANGE = 2,
730 enum iwl4965_chain_noise_state {
731 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
732 IWL_CHAIN_NOISE_ACCUMULATE = 1,
733 IWL_CHAIN_NOISE_CALIBRATED = 2,
736 enum iwl4965_calib_enabled_state {
737 IWL_CALIB_DISABLED = 0, /* must be 0 */
738 IWL_CALIB_ENABLED = 1,
741 struct statistics_general_data {
742 u32 beacon_silence_rssi_a;
743 u32 beacon_silence_rssi_b;
744 u32 beacon_silence_rssi_c;
750 struct iwl_calib_results {
752 void *tx_iq_perd_res;
755 u32 tx_iq_perd_res_len;
765 /* Sensitivity calib data */
766 struct iwl_sensitivity_data {
768 u32 auto_corr_ofdm_mrc;
769 u32 auto_corr_ofdm_x1;
770 u32 auto_corr_ofdm_mrc_x1;
772 u32 auto_corr_cck_mrc;
774 u32 last_bad_plcp_cnt_ofdm;
775 u32 last_fa_cnt_ofdm;
776 u32 last_bad_plcp_cnt_cck;
782 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
787 s32 nrg_auto_corr_silence_diff;
788 u32 num_in_cck_no_fa;
792 /* Chain noise (differential Rx gain) calib data */
793 struct iwl_chain_noise_data {
802 u8 disconn_array[NUM_RX_CHAINS];
803 u8 delta_gain_code[NUM_RX_CHAINS];
807 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
808 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
811 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
814 MEASUREMENT_READY = (1 << 0),
815 MEASUREMENT_ACTIVE = (1 << 1),
820 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
824 /* ieee device used by generic ieee processing code */
825 struct ieee80211_hw *hw;
826 struct ieee80211_channel *ieee_channels;
827 struct ieee80211_rate *ieee_rates;
830 /* temporary frame storage list */
831 struct list_head free_frames;
834 enum ieee80211_band band;
838 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
839 struct iwl_rx_mem_buffer *rxb);
841 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
843 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
844 /* spectrum measurement report caching */
845 struct iwl4965_spectrum_notification measure_report;
846 u8 measurement_status;
848 /* ucode beacon time */
849 u32 ucode_beacon_time;
851 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
852 * Access via channel # using indirect index array */
853 struct iwl_channel_info *channel_info; /* channel info array */
854 u8 channel_count; /* # of channels */
856 /* each calibration channel group in the EEPROM has a derived
857 * clip setting for each rate. */
858 const struct iwl4965_clip_group clip_groups[5];
860 /* thermal calibration */
861 s32 temperature; /* degrees Kelvin */
862 s32 last_temperature;
864 /* init calibration results */
865 struct iwl_calib_results calib_results;
867 /* Scan related variables */
868 unsigned long last_scan_jiffies;
869 unsigned long next_scan_jiffies;
870 unsigned long scan_start;
871 unsigned long scan_pass_start;
872 unsigned long scan_start_tsf;
876 u8 direct_ssid[IW_ESSID_MAX_SIZE];
877 struct iwl_scan_cmd *scan;
878 u32 scan_tx_ant[IEEE80211_NUM_BANDS];
881 spinlock_t lock; /* protect general shared data */
882 spinlock_t hcmd_lock; /* protect hcmd */
885 /* basic pci-network driver stuff */
886 struct pci_dev *pci_dev;
888 /* pci hardware address support */
889 void __iomem *hw_base;
894 /* uCode images, save to reload in case of failure */
895 struct fw_desc ucode_code; /* runtime inst */
896 struct fw_desc ucode_data; /* runtime data original */
897 struct fw_desc ucode_data_backup; /* runtime data save/restore */
898 struct fw_desc ucode_init; /* initialization inst */
899 struct fw_desc ucode_init_data; /* initialization data */
900 struct fw_desc ucode_boot; /* bootstrap inst */
901 enum ucode_type ucode_type;
902 u8 ucode_write_complete; /* the image write is complete */
905 struct iwl4965_rxon_time_cmd rxon_timing;
907 /* We declare this const so it can only be
908 * changed via explicit cast within the
909 * routines that actually update the physical
911 const struct iwl_rxon_cmd active_rxon;
912 struct iwl_rxon_cmd staging_rxon;
914 int error_recovering;
915 struct iwl_rxon_cmd recovery_rxon;
917 /* 1st responses from initialize and runtime uCode images.
918 * 4965's initialize alive response contains some calibration data. */
919 struct iwl_init_alive_resp card_alive_init;
920 struct iwl_alive_resp card_alive;
921 #ifdef CONFIG_IWLWIFI_RFKILL
922 struct rfkill *rfkill;
925 #ifdef CONFIG_IWLWIFI_LEDS
926 struct iwl_led led[IWL_LED_TRG_MAX];
927 unsigned long last_blink_time;
934 u16 active_rate_basic;
936 u8 assoc_station_added;
937 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
939 struct iwl_sensitivity_data sensitivity_data;
940 struct iwl_chain_noise_data chain_noise_data;
941 __le16 sensitivity_tbl[HD_TABLE_SIZE];
943 struct iwl_ht_info current_ht_config;
944 u8 last_phy_res[100];
946 /* Rate scaling data */
947 struct iwl4965_lq_mngr lq_mngr;
949 /* Rate scaling data */
953 wait_queue_head_t wait_command_queue;
955 int activity_timer_active;
957 /* Rx and Tx DMA processing queues */
958 struct iwl_rx_queue rxq;
959 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
960 unsigned long txq_ctx_active_msk;
961 struct iwl_kw kw; /* keep warm address */
962 u32 scd_base_addr; /* scheduler sram base address */
964 unsigned long status;
966 int last_rx_rssi; /* From Rx packet statisitics */
967 int last_rx_noise; /* From beacon statistics */
969 /* counts mgmt, ctl, and data packets */
970 struct traffic_stats {
973 } tx_stats[3], rx_stats[3];
975 struct iwl_power_mgr power_data;
977 struct iwl_notif_statistics statistics;
978 unsigned long last_statistics_time;
980 /* context information */
981 u8 essid[IW_ESSID_MAX_SIZE];
989 u8 mac_addr[ETH_ALEN];
991 /*station table variables */
994 struct iwl_station_entry stations[IWL_STATION_COUNT];
995 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
998 unsigned long ucode_key_table;
1000 /* Indication if ieee80211_ops->open has been called */
1003 u8 mac80211_registered;
1005 /* Rx'd packet timing information */
1006 u32 last_beacon_time;
1011 struct iwl_eeprom_calib_info *calib_info;
1013 enum ieee80211_if_types iw_mode;
1015 struct sk_buff *ibss_beacon;
1017 /* Last Rx'd beacon timestamp */
1020 struct ieee80211_vif *vif;
1022 struct iwl_hw_params hw_params;
1023 /* driver/uCode shared Tx Byte Counts and Rx status */
1025 int rb_closed_offset;
1026 /* Physical Pointer to Tx Byte Counts and Rx status */
1027 dma_addr_t shared_phys;
1029 /* Current association information needed to configure the
1032 u16 assoc_capability;
1035 struct iwl_qos_info qos_data;
1037 struct workqueue_struct *workqueue;
1039 struct work_struct up;
1040 struct work_struct restart;
1041 struct work_struct calibrated_work;
1042 struct work_struct scan_completed;
1043 struct work_struct rx_replenish;
1044 struct work_struct rf_kill;
1045 struct work_struct abort_scan;
1046 struct work_struct update_link_led;
1047 struct work_struct auth_work;
1048 struct work_struct report_work;
1049 struct work_struct request_scan;
1050 struct work_struct beacon_update;
1051 struct work_struct set_monitor;
1053 struct tasklet_struct irq_tasklet;
1055 struct delayed_work init_alive_start;
1056 struct delayed_work alive_start;
1057 struct delayed_work scan_check;
1059 s8 tx_power_user_lmt;
1060 s8 tx_power_channel_lmt;
1066 #ifdef CONFIG_IWLWIFI_DEBUG
1067 /* debugging info */
1070 atomic_t restrict_refcnt;
1071 #ifdef CONFIG_IWLWIFI_DEBUGFS
1073 struct iwl_debugfs *dbgfs;
1074 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1075 #endif /* CONFIG_IWLWIFI_DEBUG */
1077 struct work_struct txpower_work;
1078 u32 disable_sens_cal;
1079 u32 disable_chain_noise_cal;
1080 u32 disable_tx_power_cal;
1081 struct work_struct run_time_calib_work;
1082 struct timer_list statistics_periodic;
1085 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1087 set_bit(txq_id, &priv->txq_ctx_active_msk);
1090 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1092 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1095 #ifdef CONFIG_IWLWIFI_DEBUG
1096 const char *iwl_get_tx_fail_reason(u32 status);
1098 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1102 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1103 int txq_id, int idx)
1105 if (priv->txq[txq_id].txb[idx].skb[0])
1106 return (struct ieee80211_hdr *)priv->txq[txq_id].
1107 txb[idx].skb[0]->data;
1112 static inline int iwl_is_associated(struct iwl_priv *priv)
1114 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1117 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1119 if (ch_info == NULL)
1121 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1124 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1126 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1129 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1131 return ch_info->band == IEEE80211_BAND_5GHZ;
1134 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1136 return ch_info->band == IEEE80211_BAND_2GHZ;
1139 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1141 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1144 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1146 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1149 #ifdef CONFIG_IWLWIFI_DEBUG
1150 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1153 if (!(priv->debug_level & level))
1156 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1160 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1166 extern const struct iwl_channel_info *iwl_get_channel_info(
1167 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1169 /* Requires full declaration of iwl_priv before including */
1171 #endif /* __iwl_dev_h__ */