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;
55 /* Change firmware file name, using "-" and incrementing number,
56 * *only* when uCode interface or architecture changes so that it
57 * is not compatible with earlier drivers.
58 * This number will also appear in << 8 position of 1st dword of uCode file */
59 #define IWL4965_UCODE_API "-1"
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 {
97 struct list_head list;
101 * Generic queue structure
103 * Contains common data for Rx and Tx queues
106 int n_bd; /* number of BDs in this queue */
107 int write_ptr; /* 1-st empty entry (index) host_w*/
108 int read_ptr; /* last used entry (index) host_r*/
109 dma_addr_t dma_addr; /* physical addr for BD's */
110 int n_window; /* safe queue window */
112 int low_mark; /* low watermark, resume queue if free
113 * space more than this */
114 int high_mark; /* high watermark, stop queue if free
115 * space less than this */
116 } __attribute__ ((packed));
118 #define MAX_NUM_OF_TBS (20)
120 /* One for each TFD */
122 struct sk_buff *skb[MAX_NUM_OF_TBS];
126 * struct iwl_tx_queue - Tx Queue for DMA
127 * @q: generic Rx/Tx queue descriptor
128 * @bd: base of circular buffer of TFDs
129 * @cmd: array of command/Tx buffers
130 * @dma_addr_cmd: physical address of cmd/tx buffer array
131 * @txb: array of per-TFD driver data
132 * @need_update: indicates need to update read/write index
133 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
135 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
136 * descriptors) and required locking structures.
138 struct iwl_tx_queue {
140 struct iwl_tfd_frame *bd;
142 dma_addr_t dma_addr_cmd;
143 struct iwl_tx_info *txb;
149 #define IWL_NUM_SCAN_RATES (2)
151 struct iwl4965_channel_tgd_info {
156 struct iwl4965_channel_tgh_info {
161 * One for each channel, holds all channel setup data
162 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
165 struct iwl_channel_info {
166 struct iwl4965_channel_tgd_info tgd;
167 struct iwl4965_channel_tgh_info tgh;
168 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
169 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
172 u8 channel; /* channel number */
173 u8 flags; /* flags copied from EEPROM */
174 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
175 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
176 s8 min_power; /* always 0 */
177 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
179 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
180 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
181 enum ieee80211_band band;
183 /* FAT channel info */
184 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
185 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
186 s8 fat_min_power; /* always 0 */
187 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
188 u8 fat_flags; /* flags copied from EEPROM */
189 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
192 struct iwl4965_clip_group {
193 /* maximum power level to prevent clipping for each rate, derived by
194 * us from this band's saturation power in EEPROM */
195 const s8 clip_powers[IWL_MAX_RATES];
198 #include "iwl-4965-rs.h"
200 #define IWL_TX_FIFO_AC0 0
201 #define IWL_TX_FIFO_AC1 1
202 #define IWL_TX_FIFO_AC2 2
203 #define IWL_TX_FIFO_AC3 3
204 #define IWL_TX_FIFO_HCCA_1 5
205 #define IWL_TX_FIFO_HCCA_2 6
206 #define IWL_TX_FIFO_NONE 7
208 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
209 #define IWL_MIN_NUM_QUEUES 4
211 /* Power management (not Tx power) structures */
218 #define IEEE80211_DATA_LEN 2304
219 #define IEEE80211_4ADDR_LEN 30
220 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
221 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
225 struct ieee80211_hdr frame;
226 struct iwl4965_tx_beacon_cmd beacon;
227 u8 raw[IEEE80211_FRAME_LEN];
230 struct list_head list;
233 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
234 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
235 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
236 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
237 #define SEQ_HUGE_FRAME (0x4000)
238 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
239 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
240 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
241 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
244 /* CMD_SIZE_NORMAL = 0, */
245 CMD_SIZE_HUGE = (1 << 0),
247 CMD_ASYNC = (1 << 1),
248 /* CMD_NO_SKB = 0, */
249 CMD_WANT_SKB = (1 << 2),
255 struct iwl_cmd_meta {
256 struct iwl_cmd_meta *source;
259 int (*callback)(struct iwl_priv *priv,
260 struct iwl_cmd *cmd, struct sk_buff *skb);
261 } __attribute__ ((packed)) u;
263 /* The CMD_SIZE_HUGE flag bit indicates that the command
264 * structure is stored at the end of the shared queue memory. */
267 } __attribute__ ((packed));
269 #define IWL_CMD_MAX_PAYLOAD 320
274 * For allocation of the command and tx queues, this establishes the overall
275 * size of the largest command we send to uCode, except for a scan command
276 * (which is relatively huge; space is allocated separately).
279 struct iwl_cmd_meta meta; /* driver data */
280 struct iwl_cmd_header hdr; /* uCode API */
282 struct iwl_addsta_cmd addsta;
283 struct iwl4965_led_cmd led;
288 struct iwl4965_bt_cmd bt;
289 struct iwl4965_rxon_time_cmd rxon_time;
290 struct iwl4965_powertable_cmd powertable;
291 struct iwl4965_qosparam_cmd qosparam;
292 struct iwl_tx_cmd tx;
293 struct iwl4965_tx_beacon_cmd tx_beacon;
294 struct iwl4965_rxon_assoc_cmd rxon_assoc;
295 struct iwl_rem_sta_cmd rm_sta;
297 u8 payload[IWL_CMD_MAX_PAYLOAD];
298 } __attribute__ ((packed)) cmd;
299 } __attribute__ ((packed));
301 struct iwl_host_cmd {
304 struct iwl_cmd_meta meta;
308 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
309 sizeof(struct iwl_cmd_meta))
312 * RX related structures and functions
314 #define RX_FREE_BUFFERS 64
315 #define RX_LOW_WATERMARK 8
317 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
318 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
319 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
322 * struct iwl_rx_queue - Rx queue
323 * @processed: Internal index to last handled Rx packet
324 * @read: Shared index to newest available Rx buffer
325 * @write: Shared index to oldest written Rx packet
326 * @free_count: Number of pre-allocated buffers in rx_free
327 * @rx_free: list of free SKBs for use
328 * @rx_used: List of Rx buffers with no SKB
329 * @need_update: flag to indicate we need to update read/write index
331 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
333 struct iwl_rx_queue {
336 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
337 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
342 struct list_head rx_free;
343 struct list_head rx_used;
348 #define IWL_SUPPORTED_RATES_IE_LEN 8
350 #define SCAN_INTERVAL 100
352 #define MAX_A_CHANNELS 252
353 #define MIN_A_CHANNELS 7
355 #define MAX_B_CHANNELS 14
356 #define MIN_B_CHANNELS 1
358 #define MAX_TID_COUNT 9
360 #define IWL_INVALID_RATE 0xFF
361 #define IWL_INVALID_VALUE -1
364 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
365 * @txq_id: Tx queue used for Tx attempt
366 * @frame_count: # frames attempted by Tx command
367 * @wait_for_ba: Expect block-ack before next Tx reply
368 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
369 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
370 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
371 * @rate_n_flags: Rate at which Tx was attempted
373 * If REPLY_TX indicates that aggregation was attempted, driver must wait
374 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
375 * until block ack arrives.
384 #define IWL_AGG_OFF 0
386 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
387 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
392 struct iwl_tid_data {
395 struct iwl_ht_agg agg;
399 enum ieee80211_key_alg alg;
405 union iwl4965_ht_rate_supp {
413 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
414 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
415 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
418 /* self configuration data */
420 u8 supported_chan_width;
423 u8 sgf; /* HT_SHORT_GI_* short guard interval */
428 /* BSS related data */
430 u8 extension_chan_offset;
433 u8 non_GF_STA_present;
436 union iwl4965_qos_capabity {
438 u8 edca_count:4; /* bit 0-3 */
439 u8 q_ack:1; /* bit 4 */
440 u8 queue_request:1; /* bit 5 */
441 u8 txop_request:1; /* bit 6 */
442 u8 reserved:1; /* bit 7 */
445 u8 acvo_APSD:1; /* bit 0 */
446 u8 acvi_APSD:1; /* bit 1 */
447 u8 ac_bk_APSD:1; /* bit 2 */
448 u8 ac_be_APSD:1; /* bit 3 */
449 u8 q_ack:1; /* bit 4 */
450 u8 max_len:2; /* bit 5-6 */
451 u8 more_data_ack:1; /* bit 7 */
457 struct iwl4965_qos_info {
460 union iwl4965_qos_capabity qos_cap;
461 struct iwl4965_qosparam_cmd def_qos_parm;
464 #define STA_PS_STATUS_WAKE 0
465 #define STA_PS_STATUS_SLEEP 1
467 struct iwl_station_entry {
468 struct iwl_addsta_cmd sta;
469 struct iwl_tid_data tid[MAX_TID_COUNT];
472 struct iwl_hw_key keyinfo;
475 /* one for each uCode image (inst/data, boot/init/runtime) */
477 void *v_addr; /* access by driver */
478 dma_addr_t p_addr; /* access by card's busmaster DMA */
482 /* uCode file layout */
484 __le32 ver; /* major/minor/subminor */
485 __le32 inst_size; /* bytes of runtime instructions */
486 __le32 data_size; /* bytes of runtime data */
487 __le32 init_size; /* bytes of initialization instructions */
488 __le32 init_data_size; /* bytes of initialization data */
489 __le32 boot_size; /* bytes of bootstrap instructions */
490 u8 data[0]; /* data in same order as "size" elements */
493 #define IWL_IBSS_MAC_HASH_SIZE 32
495 struct iwl4965_ibss_seq {
499 unsigned long packet_time;
500 struct list_head list;
503 struct iwl_sensitivity_ranges {
510 u16 auto_corr_min_ofdm;
511 u16 auto_corr_min_ofdm_mrc;
512 u16 auto_corr_min_ofdm_x1;
513 u16 auto_corr_min_ofdm_mrc_x1;
515 u16 auto_corr_max_ofdm;
516 u16 auto_corr_max_ofdm_mrc;
517 u16 auto_corr_max_ofdm_x1;
518 u16 auto_corr_max_ofdm_mrc_x1;
520 u16 auto_corr_max_cck;
521 u16 auto_corr_max_cck_mrc;
522 u16 auto_corr_min_cck;
523 u16 auto_corr_min_cck_mrc;
527 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
530 * struct iwl_hw_params
531 * @max_txq_num: Max # Tx queues supported
532 * @tx/rx_chains_num: Number of TX/RX chains
533 * @valid_tx/rx_ant: usable antennas
534 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
535 * @max_rxq_log: Log-base-2 of max_rxq_size
536 * @rx_buf_size: Rx buffer size
539 * @fat_channel: is 40MHz width possible in band 2.4
540 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
541 * @sw_crypto: 0 for hw, 1 for sw
542 * @max_xxx_size: for ucode uses
543 * @ct_kill_threshold: temperature threshold
544 * @struct iwl_sensitivity_ranges: range of sensitivity values
545 * @first_ampdu_q: first HW queue available for ampdu
547 struct iwl_hw_params {
564 u32 ct_kill_threshold; /* value in hw-dependent units */
565 const struct iwl_sensitivity_ranges *sens;
569 #define HT_SHORT_GI_20MHZ (1 << 0)
570 #define HT_SHORT_GI_40MHZ (1 << 1)
573 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
574 x->u.rx_frame.stats.payload + \
575 x->u.rx_frame.stats.phy_count))
576 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
577 IWL_RX_HDR(x)->payload + \
578 le16_to_cpu(IWL_RX_HDR(x)->len)))
579 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
580 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
583 /******************************************************************************
585 * Functions implemented in iwl-base.c which are forward declared here
588 *****************************************************************************/
589 struct iwl_addsta_cmd;
590 extern int iwl_send_add_sta(struct iwl_priv *priv,
591 struct iwl_addsta_cmd *sta, u8 flags);
592 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
593 u8 flags, struct ieee80211_ht_info *ht_info);
594 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
595 struct ieee80211_hdr *hdr,
596 const u8 *dest, int left);
597 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
598 int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
600 extern const u8 iwl_bcast_addr[ETH_ALEN];
602 /******************************************************************************
604 * Functions implemented in iwl-[34]*.c which are forward declared here
605 * for use by iwl-base.c
607 * NOTE: The implementation of these functions are hardware specific
608 * which is why they are in the hardware specific files (vs. iwl-base.c)
610 * Naming convention --
611 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
612 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
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 int iwl_rxq_stop(struct iwl_priv *priv);
619 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
620 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
621 struct iwl_frame *frame, u8 rate);
622 extern void iwl4965_disable_events(struct iwl_priv *priv);
624 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
625 extern int iwl_queue_space(const struct iwl_queue *q);
626 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
628 return q->write_ptr > q->read_ptr ?
629 (i >= q->read_ptr && i < q->write_ptr) :
630 !(i < q->read_ptr && i >= q->write_ptr);
634 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
636 /* This is for scan command, the big buffer at end of command array */
638 return q->n_window; /* must be power of 2 */
640 /* Otherwise, use normal size buffers */
641 return index & (q->n_window - 1);
648 * Forward declare iwl-4965.c functions for iwl-base.c
650 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
652 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
653 enum ieee80211_ampdu_mlme_action action,
654 const u8 *addr, u16 tid, u16 *ssn);
655 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
658 /* Structures, enum, and defines specific to the 4965 */
660 #define IWL_KW_SIZE 0x1000 /*4k */
668 #define IWL_CHANNEL_WIDTH_20MHZ 0
669 #define IWL_CHANNEL_WIDTH_40MHZ 1
671 #define IWL_MIMO_PS_STATIC 0
672 #define IWL_MIMO_PS_NONE 3
673 #define IWL_MIMO_PS_DYNAMIC 1
674 #define IWL_MIMO_PS_INVALID 2
676 #define IWL_OPERATION_MODE_AUTO 0
677 #define IWL_OPERATION_MODE_HT_ONLY 1
678 #define IWL_OPERATION_MODE_MIXED 2
679 #define IWL_OPERATION_MODE_20MHZ 3
681 #define IWL_TX_CRC_SIZE 4
682 #define IWL_TX_DELIMITER_SIZE 4
684 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
686 struct iwl4965_lq_mngr {
690 u8 *next_higher_rate;
693 unsigned long stamp_last;
698 /* Sensitivity and chain noise calibration */
699 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
700 #define INITIALIZATION_VALUE 0xFFFF
701 #define CAL_NUM_OF_BEACONS 20
702 #define MAXIMUM_ALLOWED_PATHLOSS 15
704 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
706 #define MAX_FA_OFDM 50
707 #define MIN_FA_OFDM 5
708 #define MAX_FA_CCK 50
711 #define AUTO_CORR_STEP_OFDM 1
713 #define AUTO_CORR_STEP_CCK 3
714 #define AUTO_CORR_MAX_TH_CCK 160
717 #define NRG_STEP_CCK 2
719 #define MAX_NUMBER_CCK_NO_FA 100
721 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
726 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
727 #define ALL_BAND_FILTER 0xFF00
728 #define IN_BAND_FILTER 0xFF
729 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
731 #define NRG_NUM_PREV_STAT_L 20
732 #define NUM_RX_CHAINS 3
734 enum iwl4965_false_alarm_state {
737 IWL_FA_GOOD_RANGE = 2,
740 enum iwl4965_chain_noise_state {
741 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
742 IWL_CHAIN_NOISE_ACCUMULATE = 1,
743 IWL_CHAIN_NOISE_CALIBRATED = 2,
746 enum iwl4965_calib_enabled_state {
747 IWL_CALIB_DISABLED = 0, /* must be 0 */
748 IWL_CALIB_ENABLED = 1,
751 struct statistics_general_data {
752 u32 beacon_silence_rssi_a;
753 u32 beacon_silence_rssi_b;
754 u32 beacon_silence_rssi_c;
760 struct iwl_calib_results {
762 void *tx_iq_perd_res;
765 u32 tx_iq_perd_res_len;
775 /* Sensitivity calib data */
776 struct iwl_sensitivity_data {
778 u32 auto_corr_ofdm_mrc;
779 u32 auto_corr_ofdm_x1;
780 u32 auto_corr_ofdm_mrc_x1;
782 u32 auto_corr_cck_mrc;
784 u32 last_bad_plcp_cnt_ofdm;
785 u32 last_fa_cnt_ofdm;
786 u32 last_bad_plcp_cnt_cck;
792 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
797 s32 nrg_auto_corr_silence_diff;
798 u32 num_in_cck_no_fa;
802 /* Chain noise (differential Rx gain) calib data */
803 struct iwl_chain_noise_data {
812 u8 disconn_array[NUM_RX_CHAINS];
813 u8 delta_gain_code[NUM_RX_CHAINS];
817 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
818 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
821 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
824 MEASUREMENT_READY = (1 << 0),
825 MEASUREMENT_ACTIVE = (1 << 1),
830 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
834 /* ieee device used by generic ieee processing code */
835 struct ieee80211_hw *hw;
836 struct ieee80211_channel *ieee_channels;
837 struct ieee80211_rate *ieee_rates;
840 /* temporary frame storage list */
841 struct list_head free_frames;
844 enum ieee80211_band band;
848 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
849 struct iwl_rx_mem_buffer *rxb);
851 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
853 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
854 /* spectrum measurement report caching */
855 struct iwl4965_spectrum_notification measure_report;
856 u8 measurement_status;
858 /* ucode beacon time */
859 u32 ucode_beacon_time;
861 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
862 * Access via channel # using indirect index array */
863 struct iwl_channel_info *channel_info; /* channel info array */
864 u8 channel_count; /* # of channels */
866 /* each calibration channel group in the EEPROM has a derived
867 * clip setting for each rate. */
868 const struct iwl4965_clip_group clip_groups[5];
870 /* thermal calibration */
871 s32 temperature; /* degrees Kelvin */
872 s32 last_temperature;
874 /* init calibration results */
875 struct iwl_calib_results calib_results;
877 /* Scan related variables */
878 unsigned long last_scan_jiffies;
879 unsigned long next_scan_jiffies;
880 unsigned long scan_start;
881 unsigned long scan_pass_start;
882 unsigned long scan_start_tsf;
886 u8 direct_ssid[IW_ESSID_MAX_SIZE];
887 struct iwl_scan_cmd *scan;
888 u32 scan_tx_ant[IEEE80211_NUM_BANDS];
891 spinlock_t lock; /* protect general shared data */
892 spinlock_t hcmd_lock; /* protect hcmd */
895 /* basic pci-network driver stuff */
896 struct pci_dev *pci_dev;
898 /* pci hardware address support */
899 void __iomem *hw_base;
904 /* uCode images, save to reload in case of failure */
905 struct fw_desc ucode_code; /* runtime inst */
906 struct fw_desc ucode_data; /* runtime data original */
907 struct fw_desc ucode_data_backup; /* runtime data save/restore */
908 struct fw_desc ucode_init; /* initialization inst */
909 struct fw_desc ucode_init_data; /* initialization data */
910 struct fw_desc ucode_boot; /* bootstrap inst */
911 enum ucode_type ucode_type;
912 u8 ucode_write_complete; /* the image write is complete */
915 struct iwl4965_rxon_time_cmd rxon_timing;
917 /* We declare this const so it can only be
918 * changed via explicit cast within the
919 * routines that actually update the physical
921 const struct iwl_rxon_cmd active_rxon;
922 struct iwl_rxon_cmd staging_rxon;
924 int error_recovering;
925 struct iwl_rxon_cmd recovery_rxon;
927 /* 1st responses from initialize and runtime uCode images.
928 * 4965's initialize alive response contains some calibration data. */
929 struct iwl_init_alive_resp card_alive_init;
930 struct iwl_alive_resp card_alive;
931 #ifdef CONFIG_IWLWIFI_RFKILL
932 struct rfkill *rfkill;
935 #ifdef CONFIG_IWLWIFI_LEDS
936 struct iwl4965_led led[IWL_LED_TRG_MAX];
937 unsigned long last_blink_time;
944 u16 active_rate_basic;
946 u8 assoc_station_added;
947 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
949 struct iwl_sensitivity_data sensitivity_data;
950 struct iwl_chain_noise_data chain_noise_data;
951 __le16 sensitivity_tbl[HD_TABLE_SIZE];
953 struct iwl_ht_info current_ht_config;
954 u8 last_phy_res[100];
956 /* Rate scaling data */
957 struct iwl4965_lq_mngr lq_mngr;
959 /* Rate scaling data */
963 wait_queue_head_t wait_command_queue;
965 int activity_timer_active;
967 /* Rx and Tx DMA processing queues */
968 struct iwl_rx_queue rxq;
969 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
970 unsigned long txq_ctx_active_msk;
971 struct iwl_kw kw; /* keep warm address */
972 u32 scd_base_addr; /* scheduler sram base address */
974 unsigned long status;
976 int last_rx_rssi; /* From Rx packet statisitics */
977 int last_rx_noise; /* From beacon statistics */
979 /* counts mgmt, ctl, and data packets */
980 struct traffic_stats {
983 } tx_stats[3], rx_stats[3];
985 struct iwl_power_mgr power_data;
987 struct iwl_notif_statistics statistics;
988 unsigned long last_statistics_time;
990 /* context information */
991 u8 essid[IW_ESSID_MAX_SIZE];
999 u8 mac_addr[ETH_ALEN];
1001 /*station table variables */
1002 spinlock_t sta_lock;
1004 struct iwl_station_entry stations[IWL_STATION_COUNT];
1005 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1008 unsigned long ucode_key_table;
1010 /* Indication if ieee80211_ops->open has been called */
1013 u8 mac80211_registered;
1015 /* Rx'd packet timing information */
1016 u32 last_beacon_time;
1021 struct iwl_eeprom_calib_info *calib_info;
1023 enum ieee80211_if_types iw_mode;
1025 struct sk_buff *ibss_beacon;
1027 /* Last Rx'd beacon timestamp */
1030 struct ieee80211_vif *vif;
1032 struct iwl_hw_params hw_params;
1033 /* driver/uCode shared Tx Byte Counts and Rx status */
1035 int rb_closed_offset;
1036 /* Physical Pointer to Tx Byte Counts and Rx status */
1037 dma_addr_t shared_phys;
1039 /* Current association information needed to configure the
1042 u16 assoc_capability;
1045 struct iwl4965_qos_info qos_data;
1047 struct workqueue_struct *workqueue;
1049 struct work_struct up;
1050 struct work_struct restart;
1051 struct work_struct calibrated_work;
1052 struct work_struct scan_completed;
1053 struct work_struct rx_replenish;
1054 struct work_struct rf_kill;
1055 struct work_struct abort_scan;
1056 struct work_struct update_link_led;
1057 struct work_struct auth_work;
1058 struct work_struct report_work;
1059 struct work_struct request_scan;
1060 struct work_struct beacon_update;
1061 struct work_struct set_monitor;
1063 struct tasklet_struct irq_tasklet;
1065 struct delayed_work init_alive_start;
1066 struct delayed_work alive_start;
1067 struct delayed_work scan_check;
1068 struct delayed_work post_associate;
1070 s8 tx_power_user_lmt;
1071 s8 tx_power_channel_lmt;
1077 #ifdef CONFIG_IWLWIFI_DEBUG
1078 /* debugging info */
1081 atomic_t restrict_refcnt;
1082 #ifdef CONFIG_IWLWIFI_DEBUGFS
1084 struct iwl_debugfs *dbgfs;
1085 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1086 #endif /* CONFIG_IWLWIFI_DEBUG */
1088 struct work_struct txpower_work;
1089 u32 disable_sens_cal;
1090 u32 disable_chain_noise_cal;
1091 u32 disable_tx_power_cal;
1092 struct work_struct run_time_calib_work;
1093 struct timer_list statistics_periodic;
1096 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1098 set_bit(txq_id, &priv->txq_ctx_active_msk);
1101 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1103 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1106 #ifdef CONFIG_IWLWIFI_DEBUG
1107 const char *iwl_get_tx_fail_reason(u32 status);
1109 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1113 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1114 int txq_id, int idx)
1116 if (priv->txq[txq_id].txb[idx].skb[0])
1117 return (struct ieee80211_hdr *)priv->txq[txq_id].
1118 txb[idx].skb[0]->data;
1123 static inline int iwl_is_associated(struct iwl_priv *priv)
1125 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1128 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1130 if (ch_info == NULL)
1132 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1135 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1137 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1140 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1142 return ch_info->band == IEEE80211_BAND_5GHZ;
1145 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1147 return ch_info->band == IEEE80211_BAND_2GHZ;
1150 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1152 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1155 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1157 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1160 #ifdef CONFIG_IWLWIFI_DEBUG
1161 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1164 if (!(priv->debug_level & level))
1167 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1171 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1177 extern const struct iwl_channel_info *iwl_get_channel_info(
1178 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1180 /* Requires full declaration of iwl_priv before including */
1182 #endif /* __iwl_dev_h__ */