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"
49 /* configuration for the iwl4965 */
50 extern struct iwl_cfg iwl4965_agn_cfg;
51 extern struct iwl_cfg iwl5300_agn_cfg;
52 extern struct iwl_cfg iwl5100_agn_cfg;
53 extern struct iwl_cfg iwl5350_agn_cfg;
54 extern struct iwl_cfg iwl5100_bg_cfg;
55 extern struct iwl_cfg iwl5100_abg_cfg;
57 /* CT-KILL constants */
58 #define CT_KILL_THRESHOLD 110 /* in Celsius */
60 /* Default noise level to report when noise measurement is not available.
61 * This may be because we're:
62 * 1) Not associated (4965, no beacon statistics being sent to driver)
63 * 2) Scanning (noise measurement does not apply to associated channel)
64 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
65 * Use default noise value of -127 ... this is below the range of measurable
66 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
67 * Also, -127 works better than 0 when averaging frames with/without
68 * noise info (e.g. averaging might be done in app); measured dBm values are
69 * always negative ... using a negative value as the default keeps all
70 * averages within an s8's (used in some apps) range of negative values. */
71 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
74 * RTS threshold here is total size [2347] minus 4 FCS bytes
76 * a value of 0 means RTS on all data/management packets
77 * a value > max MSDU size means no RTS
78 * else RTS for data/management frames where MPDU is larger
81 #define DEFAULT_RTS_THRESHOLD 2347U
82 #define MIN_RTS_THRESHOLD 0U
83 #define MAX_RTS_THRESHOLD 2347U
84 #define MAX_MSDU_SIZE 2304U
85 #define MAX_MPDU_SIZE 2346U
86 #define DEFAULT_BEACON_INTERVAL 100U
87 #define DEFAULT_SHORT_RETRY_LIMIT 7U
88 #define DEFAULT_LONG_RETRY_LIMIT 4U
90 struct iwl_rx_mem_buffer {
93 struct list_head list;
97 * Generic queue structure
99 * Contains common data for Rx and Tx queues
102 int n_bd; /* number of BDs in this queue */
103 int write_ptr; /* 1-st empty entry (index) host_w*/
104 int read_ptr; /* last used entry (index) host_r*/
105 dma_addr_t dma_addr; /* physical addr for BD's */
106 int n_window; /* safe queue window */
108 int low_mark; /* low watermark, resume queue if free
109 * space more than this */
110 int high_mark; /* high watermark, stop queue if free
111 * space less than this */
112 } __attribute__ ((packed));
114 #define MAX_NUM_OF_TBS (20)
116 /* One for each TFD */
118 struct sk_buff *skb[MAX_NUM_OF_TBS];
122 * struct iwl_tx_queue - Tx Queue for DMA
123 * @q: generic Rx/Tx queue descriptor
124 * @bd: base of circular buffer of TFDs
125 * @cmd: array of command/Tx buffers
126 * @dma_addr_cmd: physical address of cmd/tx buffer array
127 * @txb: array of per-TFD driver data
128 * @need_update: indicates need to update read/write index
129 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
131 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
132 * descriptors) and required locking structures.
134 struct iwl_tx_queue {
136 struct iwl_tfd_frame *bd;
138 dma_addr_t dma_addr_cmd;
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];
194 #include "iwl-4965-rs.h"
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 iwl4965_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 iwl4965_powertable_cmd powertable;
287 struct iwl_qosparam_cmd qosparam;
288 struct iwl_tx_cmd tx;
289 struct iwl4965_tx_beacon_cmd tx_beacon;
290 struct iwl4965_rxon_assoc_cmd rxon_assoc;
291 struct iwl_rem_sta_cmd rm_sta;
293 u8 payload[IWL_CMD_MAX_PAYLOAD];
294 } __attribute__ ((packed)) cmd;
295 } __attribute__ ((packed));
297 struct iwl_host_cmd {
300 struct iwl_cmd_meta meta;
304 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
305 sizeof(struct iwl_cmd_meta))
308 * RX related structures and functions
310 #define RX_FREE_BUFFERS 64
311 #define RX_LOW_WATERMARK 8
313 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
314 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
315 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
318 * struct iwl_rx_queue - Rx queue
319 * @processed: Internal index to last handled Rx packet
320 * @read: Shared index to newest available Rx buffer
321 * @write: Shared index to oldest written Rx packet
322 * @free_count: Number of pre-allocated buffers in rx_free
323 * @rx_free: list of free SKBs for use
324 * @rx_used: List of Rx buffers with no SKB
325 * @need_update: flag to indicate we need to update read/write index
327 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
329 struct iwl_rx_queue {
332 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
333 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
338 struct list_head rx_free;
339 struct list_head rx_used;
344 #define IWL_SUPPORTED_RATES_IE_LEN 8
346 #define SCAN_INTERVAL 100
348 #define MAX_A_CHANNELS 252
349 #define MIN_A_CHANNELS 7
351 #define MAX_B_CHANNELS 14
352 #define MIN_B_CHANNELS 1
354 #define MAX_TID_COUNT 9
356 #define IWL_INVALID_RATE 0xFF
357 #define IWL_INVALID_VALUE -1
360 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
361 * @txq_id: Tx queue used for Tx attempt
362 * @frame_count: # frames attempted by Tx command
363 * @wait_for_ba: Expect block-ack before next Tx reply
364 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
365 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
366 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
367 * @rate_n_flags: Rate at which Tx was attempted
369 * If REPLY_TX indicates that aggregation was attempted, driver must wait
370 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
371 * until block ack arrives.
380 #define IWL_AGG_OFF 0
382 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
383 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
388 struct iwl_tid_data {
391 struct iwl_ht_agg agg;
395 enum ieee80211_key_alg alg;
401 union iwl4965_ht_rate_supp {
409 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
410 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
411 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
414 /* self configuration data */
416 u8 supported_chan_width;
419 u8 sgf; /* HT_SHORT_GI_* short guard interval */
424 /* BSS related data */
426 u8 extension_chan_offset;
429 u8 non_GF_STA_present;
432 union iwl_qos_capabity {
434 u8 edca_count:4; /* bit 0-3 */
435 u8 q_ack:1; /* bit 4 */
436 u8 queue_request:1; /* bit 5 */
437 u8 txop_request:1; /* bit 6 */
438 u8 reserved:1; /* bit 7 */
441 u8 acvo_APSD:1; /* bit 0 */
442 u8 acvi_APSD:1; /* bit 1 */
443 u8 ac_bk_APSD:1; /* bit 2 */
444 u8 ac_be_APSD:1; /* bit 3 */
445 u8 q_ack:1; /* bit 4 */
446 u8 max_len:2; /* bit 5-6 */
447 u8 more_data_ack:1; /* bit 7 */
453 struct iwl_qos_info {
456 union iwl_qos_capabity qos_cap;
457 struct iwl_qosparam_cmd def_qos_parm;
460 #define STA_PS_STATUS_WAKE 0
461 #define STA_PS_STATUS_SLEEP 1
463 struct iwl_station_entry {
464 struct iwl_addsta_cmd sta;
465 struct iwl_tid_data tid[MAX_TID_COUNT];
468 struct iwl_hw_key keyinfo;
471 /* one for each uCode image (inst/data, boot/init/runtime) */
473 void *v_addr; /* access by driver */
474 dma_addr_t p_addr; /* access by card's busmaster DMA */
478 /* uCode file layout */
480 __le32 ver; /* major/minor/subminor */
481 __le32 inst_size; /* bytes of runtime instructions */
482 __le32 data_size; /* bytes of runtime data */
483 __le32 init_size; /* bytes of initialization instructions */
484 __le32 init_data_size; /* bytes of initialization data */
485 __le32 boot_size; /* bytes of bootstrap instructions */
486 u8 data[0]; /* data in same order as "size" elements */
489 struct iwl4965_ibss_seq {
493 unsigned long packet_time;
494 struct list_head list;
497 struct iwl_sensitivity_ranges {
504 u16 auto_corr_min_ofdm;
505 u16 auto_corr_min_ofdm_mrc;
506 u16 auto_corr_min_ofdm_x1;
507 u16 auto_corr_min_ofdm_mrc_x1;
509 u16 auto_corr_max_ofdm;
510 u16 auto_corr_max_ofdm_mrc;
511 u16 auto_corr_max_ofdm_x1;
512 u16 auto_corr_max_ofdm_mrc_x1;
514 u16 auto_corr_max_cck;
515 u16 auto_corr_max_cck_mrc;
516 u16 auto_corr_min_cck;
517 u16 auto_corr_min_cck_mrc;
521 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
524 * struct iwl_hw_params
525 * @max_txq_num: Max # Tx queues supported
526 * @tx/rx_chains_num: Number of TX/RX chains
527 * @valid_tx/rx_ant: usable antennas
528 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
529 * @max_rxq_log: Log-base-2 of max_rxq_size
530 * @rx_buf_size: Rx buffer size
533 * @fat_channel: is 40MHz width possible in band 2.4
534 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
535 * @sw_crypto: 0 for hw, 1 for sw
536 * @max_xxx_size: for ucode uses
537 * @ct_kill_threshold: temperature threshold
538 * @struct iwl_sensitivity_ranges: range of sensitivity values
539 * @first_ampdu_q: first HW queue available for ampdu
541 struct iwl_hw_params {
558 u32 ct_kill_threshold; /* value in hw-dependent units */
559 const struct iwl_sensitivity_ranges *sens;
563 #define HT_SHORT_GI_20MHZ (1 << 0)
564 #define HT_SHORT_GI_40MHZ (1 << 1)
567 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
568 x->u.rx_frame.stats.payload + \
569 x->u.rx_frame.stats.phy_count))
570 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
571 IWL_RX_HDR(x)->payload + \
572 le16_to_cpu(IWL_RX_HDR(x)->len)))
573 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
574 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
577 /******************************************************************************
579 * Functions implemented in iwl-base.c which are forward declared here
582 *****************************************************************************/
583 struct iwl_addsta_cmd;
584 extern int iwl_send_add_sta(struct iwl_priv *priv,
585 struct iwl_addsta_cmd *sta, u8 flags);
586 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
587 u8 flags, struct ieee80211_ht_info *ht_info);
588 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
589 struct ieee80211_hdr *hdr,
590 const u8 *dest, int left);
591 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
592 int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
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);
646 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
647 enum ieee80211_ampdu_mlme_action action,
648 const u8 *addr, u16 tid, u16 *ssn);
649 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
652 /* Structures, enum, and defines specific to the 4965 */
654 #define IWL_KW_SIZE 0x1000 /*4k */
662 #define IWL_CHANNEL_WIDTH_20MHZ 0
663 #define IWL_CHANNEL_WIDTH_40MHZ 1
665 #define IWL_MIMO_PS_STATIC 0
666 #define IWL_MIMO_PS_NONE 3
667 #define IWL_MIMO_PS_DYNAMIC 1
668 #define IWL_MIMO_PS_INVALID 2
670 #define IWL_OPERATION_MODE_AUTO 0
671 #define IWL_OPERATION_MODE_HT_ONLY 1
672 #define IWL_OPERATION_MODE_MIXED 2
673 #define IWL_OPERATION_MODE_20MHZ 3
675 #define IWL_TX_CRC_SIZE 4
676 #define IWL_TX_DELIMITER_SIZE 4
678 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
680 struct iwl4965_lq_mngr {
684 u8 *next_higher_rate;
687 unsigned long stamp_last;
692 /* Sensitivity and chain noise calibration */
693 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
694 #define INITIALIZATION_VALUE 0xFFFF
695 #define CAL_NUM_OF_BEACONS 20
696 #define MAXIMUM_ALLOWED_PATHLOSS 15
698 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
700 #define MAX_FA_OFDM 50
701 #define MIN_FA_OFDM 5
702 #define MAX_FA_CCK 50
705 #define AUTO_CORR_STEP_OFDM 1
707 #define AUTO_CORR_STEP_CCK 3
708 #define AUTO_CORR_MAX_TH_CCK 160
711 #define NRG_STEP_CCK 2
713 #define MAX_NUMBER_CCK_NO_FA 100
715 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
720 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
721 #define ALL_BAND_FILTER 0xFF00
722 #define IN_BAND_FILTER 0xFF
723 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
725 #define NRG_NUM_PREV_STAT_L 20
726 #define NUM_RX_CHAINS 3
728 enum iwl4965_false_alarm_state {
731 IWL_FA_GOOD_RANGE = 2,
734 enum iwl4965_chain_noise_state {
735 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
736 IWL_CHAIN_NOISE_ACCUMULATE = 1,
737 IWL_CHAIN_NOISE_CALIBRATED = 2,
740 enum iwl4965_calib_enabled_state {
741 IWL_CALIB_DISABLED = 0, /* must be 0 */
742 IWL_CALIB_ENABLED = 1,
745 struct statistics_general_data {
746 u32 beacon_silence_rssi_a;
747 u32 beacon_silence_rssi_b;
748 u32 beacon_silence_rssi_c;
754 struct iwl_calib_results {
756 void *tx_iq_perd_res;
759 u32 tx_iq_perd_res_len;
769 /* Sensitivity calib data */
770 struct iwl_sensitivity_data {
772 u32 auto_corr_ofdm_mrc;
773 u32 auto_corr_ofdm_x1;
774 u32 auto_corr_ofdm_mrc_x1;
776 u32 auto_corr_cck_mrc;
778 u32 last_bad_plcp_cnt_ofdm;
779 u32 last_fa_cnt_ofdm;
780 u32 last_bad_plcp_cnt_cck;
786 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
791 s32 nrg_auto_corr_silence_diff;
792 u32 num_in_cck_no_fa;
796 /* Chain noise (differential Rx gain) calib data */
797 struct iwl_chain_noise_data {
806 u8 disconn_array[NUM_RX_CHAINS];
807 u8 delta_gain_code[NUM_RX_CHAINS];
811 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
812 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
815 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
818 MEASUREMENT_READY = (1 << 0),
819 MEASUREMENT_ACTIVE = (1 << 1),
824 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
828 /* ieee device used by generic ieee processing code */
829 struct ieee80211_hw *hw;
830 struct ieee80211_channel *ieee_channels;
831 struct ieee80211_rate *ieee_rates;
834 /* temporary frame storage list */
835 struct list_head free_frames;
838 enum ieee80211_band band;
842 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
843 struct iwl_rx_mem_buffer *rxb);
845 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
847 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
848 /* spectrum measurement report caching */
849 struct iwl4965_spectrum_notification measure_report;
850 u8 measurement_status;
852 /* ucode beacon time */
853 u32 ucode_beacon_time;
855 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
856 * Access via channel # using indirect index array */
857 struct iwl_channel_info *channel_info; /* channel info array */
858 u8 channel_count; /* # of channels */
860 /* each calibration channel group in the EEPROM has a derived
861 * clip setting for each rate. */
862 const struct iwl4965_clip_group clip_groups[5];
864 /* thermal calibration */
865 s32 temperature; /* degrees Kelvin */
866 s32 last_temperature;
868 /* init calibration results */
869 struct iwl_calib_results calib_results;
871 /* Scan related variables */
872 unsigned long last_scan_jiffies;
873 unsigned long next_scan_jiffies;
874 unsigned long scan_start;
875 unsigned long scan_pass_start;
876 unsigned long scan_start_tsf;
880 u8 direct_ssid[IW_ESSID_MAX_SIZE];
881 struct iwl_scan_cmd *scan;
882 u32 scan_tx_ant[IEEE80211_NUM_BANDS];
885 spinlock_t lock; /* protect general shared data */
886 spinlock_t hcmd_lock; /* protect hcmd */
889 /* basic pci-network driver stuff */
890 struct pci_dev *pci_dev;
892 /* pci hardware address support */
893 void __iomem *hw_base;
898 /* uCode images, save to reload in case of failure */
899 struct fw_desc ucode_code; /* runtime inst */
900 struct fw_desc ucode_data; /* runtime data original */
901 struct fw_desc ucode_data_backup; /* runtime data save/restore */
902 struct fw_desc ucode_init; /* initialization inst */
903 struct fw_desc ucode_init_data; /* initialization data */
904 struct fw_desc ucode_boot; /* bootstrap inst */
905 enum ucode_type ucode_type;
906 u8 ucode_write_complete; /* the image write is complete */
909 struct iwl4965_rxon_time_cmd rxon_timing;
911 /* We declare this const so it can only be
912 * changed via explicit cast within the
913 * routines that actually update the physical
915 const struct iwl_rxon_cmd active_rxon;
916 struct iwl_rxon_cmd staging_rxon;
918 int error_recovering;
919 struct iwl_rxon_cmd recovery_rxon;
921 /* 1st responses from initialize and runtime uCode images.
922 * 4965's initialize alive response contains some calibration data. */
923 struct iwl_init_alive_resp card_alive_init;
924 struct iwl_alive_resp card_alive;
925 #ifdef CONFIG_IWLWIFI_RFKILL
926 struct rfkill *rfkill;
929 #ifdef CONFIG_IWLWIFI_LEDS
930 struct iwl_led led[IWL_LED_TRG_MAX];
931 unsigned long last_blink_time;
938 u16 active_rate_basic;
940 u8 assoc_station_added;
941 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
943 struct iwl_sensitivity_data sensitivity_data;
944 struct iwl_chain_noise_data chain_noise_data;
945 __le16 sensitivity_tbl[HD_TABLE_SIZE];
947 struct iwl_ht_info current_ht_config;
948 u8 last_phy_res[100];
950 /* Rate scaling data */
951 struct iwl4965_lq_mngr lq_mngr;
953 /* Rate scaling data */
957 wait_queue_head_t wait_command_queue;
959 int activity_timer_active;
961 /* Rx and Tx DMA processing queues */
962 struct iwl_rx_queue rxq;
963 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
964 unsigned long txq_ctx_active_msk;
965 struct iwl_kw kw; /* keep warm address */
966 u32 scd_base_addr; /* scheduler sram base address */
968 unsigned long status;
970 int last_rx_rssi; /* From Rx packet statisitics */
971 int last_rx_noise; /* From beacon statistics */
973 /* counts mgmt, ctl, and data packets */
974 struct traffic_stats {
977 } tx_stats[3], rx_stats[3];
979 struct iwl_power_mgr power_data;
981 struct iwl_notif_statistics statistics;
982 unsigned long last_statistics_time;
984 /* context information */
985 u8 essid[IW_ESSID_MAX_SIZE];
993 u8 mac_addr[ETH_ALEN];
995 /*station table variables */
998 struct iwl_station_entry stations[IWL_STATION_COUNT];
999 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1002 unsigned long ucode_key_table;
1004 /* Indication if ieee80211_ops->open has been called */
1007 u8 mac80211_registered;
1009 /* Rx'd packet timing information */
1010 u32 last_beacon_time;
1015 struct iwl_eeprom_calib_info *calib_info;
1017 enum ieee80211_if_types iw_mode;
1019 struct sk_buff *ibss_beacon;
1021 /* Last Rx'd beacon timestamp */
1024 struct ieee80211_vif *vif;
1026 struct iwl_hw_params hw_params;
1027 /* driver/uCode shared Tx Byte Counts and Rx status */
1029 int rb_closed_offset;
1030 /* Physical Pointer to Tx Byte Counts and Rx status */
1031 dma_addr_t shared_phys;
1033 /* Current association information needed to configure the
1036 u16 assoc_capability;
1039 struct iwl_qos_info qos_data;
1041 struct workqueue_struct *workqueue;
1043 struct work_struct up;
1044 struct work_struct restart;
1045 struct work_struct calibrated_work;
1046 struct work_struct scan_completed;
1047 struct work_struct rx_replenish;
1048 struct work_struct rf_kill;
1049 struct work_struct abort_scan;
1050 struct work_struct update_link_led;
1051 struct work_struct auth_work;
1052 struct work_struct report_work;
1053 struct work_struct request_scan;
1054 struct work_struct beacon_update;
1055 struct work_struct set_monitor;
1057 struct tasklet_struct irq_tasklet;
1059 struct delayed_work init_alive_start;
1060 struct delayed_work alive_start;
1061 struct delayed_work scan_check;
1063 s8 tx_power_user_lmt;
1064 s8 tx_power_channel_lmt;
1070 #ifdef CONFIG_IWLWIFI_DEBUG
1071 /* debugging info */
1074 atomic_t restrict_refcnt;
1075 #ifdef CONFIG_IWLWIFI_DEBUGFS
1077 struct iwl_debugfs *dbgfs;
1078 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1079 #endif /* CONFIG_IWLWIFI_DEBUG */
1081 struct work_struct txpower_work;
1082 u32 disable_sens_cal;
1083 u32 disable_chain_noise_cal;
1084 u32 disable_tx_power_cal;
1085 struct work_struct run_time_calib_work;
1086 struct timer_list statistics_periodic;
1089 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1091 set_bit(txq_id, &priv->txq_ctx_active_msk);
1094 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1096 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1099 #ifdef CONFIG_IWLWIFI_DEBUG
1100 const char *iwl_get_tx_fail_reason(u32 status);
1102 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1106 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1107 int txq_id, int idx)
1109 if (priv->txq[txq_id].txb[idx].skb[0])
1110 return (struct ieee80211_hdr *)priv->txq[txq_id].
1111 txb[idx].skb[0]->data;
1116 static inline int iwl_is_associated(struct iwl_priv *priv)
1118 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1121 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1123 if (ch_info == NULL)
1125 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1128 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1130 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1133 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1135 return ch_info->band == IEEE80211_BAND_5GHZ;
1138 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1140 return ch_info->band == IEEE80211_BAND_2GHZ;
1143 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1145 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1148 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1150 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1153 #ifdef CONFIG_IWLWIFI_DEBUG
1154 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1157 if (!(priv->debug_level & level))
1160 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1164 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1170 extern const struct iwl_channel_info *iwl_get_channel_info(
1171 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1173 /* Requires full declaration of iwl_priv before including */
1175 #endif /* __iwl_dev_h__ */