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.
32 #ifndef __iwl_4965_h__
33 #define __iwl_4965_h__
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
{
160 /* current Tx power values to use, one for each rate for each channel.
161 * requested power is limited by:
162 * -- regulatory EEPROM limits for this channel
163 * -- hardware capabilities (clip-powers)
164 * -- spectrum management
165 * -- user preference (e.g. iwconfig)
166 * when requested power is set, base power index must also be set. */
167 struct iwl4965_channel_power_info
{
168 struct iwl4965_tx_power tpc
; /* actual radio and DSP gain settings */
169 s8 power_table_index
; /* actual (compenst'd) index into gain table */
170 s8 base_power_index
; /* gain index for power at factory temp. */
171 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
174 /* current scan Tx power values to use, one for each scan rate for each
176 struct iwl4965_scan_power_info
{
177 struct iwl4965_tx_power tpc
; /* actual radio and DSP gain settings */
178 s8 power_table_index
; /* actual (compenst'd) index into gain table */
179 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
182 /* For fat_extension_channel */
184 HT_IE_EXT_CHANNEL_NONE
= 0,
185 HT_IE_EXT_CHANNEL_ABOVE
,
186 HT_IE_EXT_CHANNEL_INVALID
,
187 HT_IE_EXT_CHANNEL_BELOW
,
188 HT_IE_EXT_CHANNEL_MAX
192 * One for each channel, holds all channel setup data
193 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
196 #define IWL4965_MAX_RATE (33)
198 struct iwl_channel_info
{
199 struct iwl4965_channel_tgd_info tgd
;
200 struct iwl4965_channel_tgh_info tgh
;
201 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
202 struct iwl_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
205 u8 channel
; /* channel number */
206 u8 flags
; /* flags copied from EEPROM */
207 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
208 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
209 s8 min_power
; /* always 0 */
210 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
212 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
213 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
214 enum ieee80211_band band
;
216 /* Radio/DSP gain settings for each "normal" data Tx rate.
217 * These include, in addition to RF and DSP gain, a few fields for
218 * remembering/modifying gain settings (indexes). */
219 struct iwl4965_channel_power_info power_info
[IWL4965_MAX_RATE
];
221 /* FAT channel info */
222 s8 fat_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
223 s8 fat_curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
224 s8 fat_min_power
; /* always 0 */
225 s8 fat_scan_power
; /* (dBm) eeprom, direct scans, any rate */
226 u8 fat_flags
; /* flags copied from EEPROM */
227 u8 fat_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
229 /* Radio/DSP gain settings for each scan rate, for directed scans. */
230 struct iwl4965_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
233 struct iwl4965_clip_group
{
234 /* maximum power level to prevent clipping for each rate, derived by
235 * us from this band's saturation power in EEPROM */
236 const s8 clip_powers
[IWL_MAX_RATES
];
239 #include "iwl-4965-rs.h"
241 #define IWL_TX_FIFO_AC0 0
242 #define IWL_TX_FIFO_AC1 1
243 #define IWL_TX_FIFO_AC2 2
244 #define IWL_TX_FIFO_AC3 3
245 #define IWL_TX_FIFO_HCCA_1 5
246 #define IWL_TX_FIFO_HCCA_2 6
247 #define IWL_TX_FIFO_NONE 7
249 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
250 #define IWL_MIN_NUM_QUEUES 4
252 /* Power management (not Tx power) structures */
259 #define IEEE80211_DATA_LEN 2304
260 #define IEEE80211_4ADDR_LEN 30
261 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
262 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
266 struct ieee80211_hdr frame
;
267 struct iwl4965_tx_beacon_cmd beacon
;
268 u8 raw
[IEEE80211_FRAME_LEN
];
271 struct list_head list
;
274 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
275 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
276 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
277 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
278 #define SEQ_HUGE_FRAME (0x4000)
279 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
280 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
281 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
282 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
285 /* CMD_SIZE_NORMAL = 0, */
286 CMD_SIZE_HUGE
= (1 << 0),
288 CMD_ASYNC
= (1 << 1),
289 /* CMD_NO_SKB = 0, */
290 CMD_WANT_SKB
= (1 << 2),
296 struct iwl_cmd_meta
{
297 struct iwl_cmd_meta
*source
;
300 int (*callback
)(struct iwl_priv
*priv
,
301 struct iwl_cmd
*cmd
, struct sk_buff
*skb
);
302 } __attribute__ ((packed
)) u
;
304 /* The CMD_SIZE_HUGE flag bit indicates that the command
305 * structure is stored at the end of the shared queue memory. */
308 } __attribute__ ((packed
));
310 #define IWL_CMD_MAX_PAYLOAD 640
315 * For allocation of the command and tx queues, this establishes the overall
316 * size of the largest command we send to uCode, except for a scan command
317 * (which is relatively huge; space is allocated separately).
320 struct iwl_cmd_meta meta
; /* driver data */
321 struct iwl_cmd_header hdr
; /* uCode API */
323 struct iwl_addsta_cmd addsta
;
324 struct iwl4965_led_cmd led
;
329 struct iwl4965_bt_cmd bt
;
330 struct iwl4965_rxon_time_cmd rxon_time
;
331 struct iwl4965_powertable_cmd powertable
;
332 struct iwl4965_qosparam_cmd qosparam
;
333 struct iwl_tx_cmd tx
;
334 struct iwl4965_tx_beacon_cmd tx_beacon
;
335 struct iwl4965_rxon_assoc_cmd rxon_assoc
;
336 struct iwl_rem_sta_cmd rm_sta
;
338 u8 payload
[IWL_CMD_MAX_PAYLOAD
];
339 } __attribute__ ((packed
)) cmd
;
340 } __attribute__ ((packed
));
342 struct iwl_host_cmd
{
345 struct iwl_cmd_meta meta
;
349 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
350 sizeof(struct iwl_cmd_meta))
353 * RX related structures and functions
355 #define RX_FREE_BUFFERS 64
356 #define RX_LOW_WATERMARK 8
358 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
359 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
360 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
363 * struct iwl_rx_queue - Rx queue
364 * @processed: Internal index to last handled Rx packet
365 * @read: Shared index to newest available Rx buffer
366 * @write: Shared index to oldest written Rx packet
367 * @free_count: Number of pre-allocated buffers in rx_free
368 * @rx_free: list of free SKBs for use
369 * @rx_used: List of Rx buffers with no SKB
370 * @need_update: flag to indicate we need to update read/write index
372 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
374 struct iwl_rx_queue
{
377 struct iwl_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
378 struct iwl_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
383 struct list_head rx_free
;
384 struct list_head rx_used
;
389 #define IWL_SUPPORTED_RATES_IE_LEN 8
391 #define SCAN_INTERVAL 100
393 #define MAX_A_CHANNELS 252
394 #define MIN_A_CHANNELS 7
396 #define MAX_B_CHANNELS 14
397 #define MIN_B_CHANNELS 1
399 #define MAX_TID_COUNT 9
401 #define IWL_INVALID_RATE 0xFF
402 #define IWL_INVALID_VALUE -1
404 #ifdef CONFIG_IWL4965_HT
406 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
407 * @txq_id: Tx queue used for Tx attempt
408 * @frame_count: # frames attempted by Tx command
409 * @wait_for_ba: Expect block-ack before next Tx reply
410 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
411 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
412 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
413 * @rate_n_flags: Rate at which Tx was attempted
415 * If REPLY_TX indicates that aggregation was attempted, driver must wait
416 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
417 * until block ack arrives.
426 #define IWL_AGG_OFF 0
428 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
429 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
433 #endif /* CONFIG_IWL4965_HT */
435 struct iwl_tid_data
{
438 #ifdef CONFIG_IWL4965_HT
439 struct iwl_ht_agg agg
;
440 #endif /* CONFIG_IWL4965_HT */
444 enum ieee80211_key_alg alg
;
450 union iwl4965_ht_rate_supp
{
458 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
459 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
460 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
463 /* self configuration data */
465 u8 supported_chan_width
;
468 u8 sgf
; /* HT_SHORT_GI_* short guard interval */
473 /* BSS related data */
475 u8 extension_chan_offset
;
478 u8 non_GF_STA_present
;
481 union iwl4965_qos_capabity
{
483 u8 edca_count
:4; /* bit 0-3 */
484 u8 q_ack
:1; /* bit 4 */
485 u8 queue_request
:1; /* bit 5 */
486 u8 txop_request
:1; /* bit 6 */
487 u8 reserved
:1; /* bit 7 */
490 u8 acvo_APSD
:1; /* bit 0 */
491 u8 acvi_APSD
:1; /* bit 1 */
492 u8 ac_bk_APSD
:1; /* bit 2 */
493 u8 ac_be_APSD
:1; /* bit 3 */
494 u8 q_ack
:1; /* bit 4 */
495 u8 max_len
:2; /* bit 5-6 */
496 u8 more_data_ack
:1; /* bit 7 */
502 struct iwl4965_qos_info
{
505 union iwl4965_qos_capabity qos_cap
;
506 struct iwl4965_qosparam_cmd def_qos_parm
;
509 #define STA_PS_STATUS_WAKE 0
510 #define STA_PS_STATUS_SLEEP 1
512 struct iwl_station_entry
{
513 struct iwl_addsta_cmd sta
;
514 struct iwl_tid_data tid
[MAX_TID_COUNT
];
517 struct iwl_hw_key keyinfo
;
520 /* one for each uCode image (inst/data, boot/init/runtime) */
522 void *v_addr
; /* access by driver */
523 dma_addr_t p_addr
; /* access by card's busmaster DMA */
527 /* uCode file layout */
528 struct iwl4965_ucode
{
529 __le32 ver
; /* major/minor/subminor */
530 __le32 inst_size
; /* bytes of runtime instructions */
531 __le32 data_size
; /* bytes of runtime data */
532 __le32 init_size
; /* bytes of initialization instructions */
533 __le32 init_data_size
; /* bytes of initialization data */
534 __le32 boot_size
; /* bytes of bootstrap instructions */
535 u8 data
[0]; /* data in same order as "size" elements */
538 #define IWL_IBSS_MAC_HASH_SIZE 32
540 struct iwl4965_ibss_seq
{
544 unsigned long packet_time
;
545 struct list_head list
;
548 struct iwl_sensitivity_ranges
{
555 u16 auto_corr_min_ofdm
;
556 u16 auto_corr_min_ofdm_mrc
;
557 u16 auto_corr_min_ofdm_x1
;
558 u16 auto_corr_min_ofdm_mrc_x1
;
560 u16 auto_corr_max_ofdm
;
561 u16 auto_corr_max_ofdm_mrc
;
562 u16 auto_corr_max_ofdm_x1
;
563 u16 auto_corr_max_ofdm_mrc_x1
;
565 u16 auto_corr_max_cck
;
566 u16 auto_corr_max_cck_mrc
;
567 u16 auto_corr_min_cck
;
568 u16 auto_corr_min_cck_mrc
;
572 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
575 * struct iwl_hw_params
576 * @max_txq_num: Max # Tx queues supported
577 * @tx/rx_chains_num: Number of TX/RX chains
578 * @valid_tx/rx_ant: usable antennas
579 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
580 * @max_rxq_log: Log-base-2 of max_rxq_size
581 * @rx_buf_size: Rx buffer size
584 * @fat_channel: is 40MHz width possible in band 2.4
585 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
586 * @sw_crypto: 0 for hw, 1 for sw
587 * @max_xxx_size: for ucode uses
588 * @ct_kill_threshold: temperature threshold
589 * @struct iwl_sensitivity_ranges: range of sensitivity values
591 struct iwl_hw_params
{
608 u32 ct_kill_threshold
; /* value in hw-dependent units */
609 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
610 const struct iwl_sensitivity_ranges
*sens
;
614 #define HT_SHORT_GI_20MHZ (1 << 0)
615 #define HT_SHORT_GI_40MHZ (1 << 1)
618 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
619 x->u.rx_frame.stats.payload + \
620 x->u.rx_frame.stats.phy_count))
621 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
622 IWL_RX_HDR(x)->payload + \
623 le16_to_cpu(IWL_RX_HDR(x)->len)))
624 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
625 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
628 /******************************************************************************
630 * Functions implemented in iwl-base.c which are forward declared here
633 *****************************************************************************/
634 struct iwl_addsta_cmd
;
635 extern int iwl_send_add_sta(struct iwl_priv
*priv
,
636 struct iwl_addsta_cmd
*sta
, u8 flags
);
637 u8
iwl_add_station_flags(struct iwl_priv
*priv
, const u8
*addr
, int is_ap
,
638 u8 flags
, struct ieee80211_ht_info
*ht_info
);
639 extern int iwl4965_is_network_packet(struct iwl_priv
*priv
,
640 struct ieee80211_hdr
*header
);
641 extern int iwl4965_power_init_handle(struct iwl_priv
*priv
);
642 extern void iwl4965_handle_data_packet_monitor(struct iwl_priv
*priv
,
643 struct iwl_rx_mem_buffer
*rxb
,
644 void *data
, short len
,
645 struct ieee80211_rx_status
*stats
,
647 extern int iwl4965_is_duplicate_packet(struct iwl_priv
*priv
,
648 struct ieee80211_hdr
*header
);
649 extern int iwl4965_calc_db_from_ratio(int sig_ratio
);
650 extern int iwl4965_calc_sig_qual(int rssi_dbm
, int noise_dbm
);
651 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv
*priv
,
652 struct ieee80211_hdr
*hdr
,
653 const u8
*dest
, int left
);
654 extern void iwl4965_update_chain_flags(struct iwl_priv
*priv
);
655 int iwl4965_set_pwr_src(struct iwl_priv
*priv
, enum iwl_pwr_src src
);
657 int iwl4965_init_geos(struct iwl_priv
*priv
);
658 void iwl4965_free_geos(struct iwl_priv
*priv
);
660 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
661 int iwl4965_enqueue_hcmd(struct iwl_priv
*priv
, struct iwl_host_cmd
*cmd
);
664 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
665 * call this... todo... fix that.
667 extern u8
iwl4965_sync_station(struct iwl_priv
*priv
, int sta_id
,
668 u16 tx_rate
, u8 flags
);
670 /******************************************************************************
672 * Functions implemented in iwl-[34]*.c which are forward declared here
673 * for use by iwl-base.c
675 * NOTE: The implementation of these functions are hardware specific
676 * which is why they are in the hardware specific files (vs. iwl-base.c)
678 * Naming convention --
679 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
680 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
681 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
682 * iwl4965_bg_ <-- Called from work queue context
683 * iwl4965_mac_ <-- mac80211 callback
685 ****************************************************************************/
686 extern void iwl4965_hw_setup_deferred_work(struct iwl_priv
*priv
);
687 extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv
*priv
);
688 extern int iwl4965_hw_set_hw_params(struct iwl_priv
*priv
);
689 extern int iwl_rxq_stop(struct iwl_priv
*priv
);
690 extern void iwl_txq_ctx_stop(struct iwl_priv
*priv
);
691 extern int iwl4965_hw_get_temperature(struct iwl_priv
*priv
);
692 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv
*priv
,
693 struct iwl_frame
*frame
, u8 rate
);
694 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv
*priv
,
696 struct ieee80211_tx_info
*info
,
697 struct ieee80211_hdr
*hdr
,
698 int sta_id
, int tx_id
);
699 extern int iwl4965_hw_reg_send_txpower(struct iwl_priv
*priv
);
700 extern int iwl4965_hw_reg_set_txpower(struct iwl_priv
*priv
, s8 power
);
701 extern void iwl4965_hw_rx_statistics(struct iwl_priv
*priv
,
702 struct iwl_rx_mem_buffer
*rxb
);
703 extern void iwl4965_disable_events(struct iwl_priv
*priv
);
704 extern int iwl4965_get_temperature(const struct iwl_priv
*priv
);
705 extern void iwl4965_rx_reply_rx(struct iwl_priv
*priv
,
706 struct iwl_rx_mem_buffer
*rxb
);
709 * iwl_find_station - Find station id for a given BSSID
710 * @bssid: MAC address of station ID to find
712 * NOTE: This should not be hardware specific but the code has
713 * not yet been merged into a single common layer for managing the
716 extern u8
iwl_find_station(struct iwl_priv
*priv
, const u8
*bssid
);
718 extern int iwl4965_hw_channel_switch(struct iwl_priv
*priv
, u16 channel
);
719 extern int iwl_queue_space(const struct iwl_queue
*q
);
720 static inline int iwl_queue_used(const struct iwl_queue
*q
, int i
)
722 return q
->write_ptr
> q
->read_ptr
?
723 (i
>= q
->read_ptr
&& i
< q
->write_ptr
) :
724 !(i
< q
->read_ptr
&& i
>= q
->write_ptr
);
728 static inline u8
get_cmd_index(struct iwl_queue
*q
, u32 index
, int is_huge
)
730 /* This is for scan command, the big buffer at end of command array */
732 return q
->n_window
; /* must be power of 2 */
734 /* Otherwise, use normal size buffers */
735 return index
& (q
->n_window
- 1);
741 extern void iwl4965_radio_kill_sw(struct iwl_priv
*priv
, int disable_radio
);
743 * Forward declare iwl-4965.c functions for iwl-base.c
745 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv
*priv
,
746 struct iwl_tx_queue
*txq
,
748 extern int iwl4965_alive_notify(struct iwl_priv
*priv
);
749 extern void iwl4965_update_rate_scaling(struct iwl_priv
*priv
, u8 mode
);
750 extern void iwl4965_rf_kill_ct_config(struct iwl_priv
*priv
);
751 extern void iwl4965_hwrate_to_tx_control(struct iwl_priv
*priv
,
753 struct ieee80211_tx_info
*info
);
755 #ifdef CONFIG_IWL4965_HT
756 extern void iwl4965_init_ht_hw_capab(const struct iwl_priv
*priv
,
757 struct ieee80211_ht_info
*ht_info
,
758 enum ieee80211_band band
);
759 void iwl4965_set_rxon_ht(struct iwl_priv
*priv
,
760 struct iwl_ht_info
*ht_info
);
761 int iwl4965_mac_ampdu_action(struct ieee80211_hw
*hw
,
762 enum ieee80211_ampdu_mlme_action action
,
763 const u8
*addr
, u16 tid
, u16
*ssn
);
764 int iwl4965_check_empty_hw_queue(struct iwl_priv
*priv
, int sta_id
,
767 static inline void iwl4965_init_ht_hw_capab(const struct iwl_priv
*priv
,
768 struct ieee80211_ht_info
*ht_info
,
769 enum ieee80211_band band
) {}
771 #endif /*CONFIG_IWL4965_HT */
772 /* Structures, enum, and defines specific to the 4965 */
774 #define IWL_KW_SIZE 0x1000 /*4k */
782 #define IWL_CHANNEL_WIDTH_20MHZ 0
783 #define IWL_CHANNEL_WIDTH_40MHZ 1
785 #define IWL_MIMO_PS_STATIC 0
786 #define IWL_MIMO_PS_NONE 3
787 #define IWL_MIMO_PS_DYNAMIC 1
788 #define IWL_MIMO_PS_INVALID 2
790 #define IWL_OPERATION_MODE_AUTO 0
791 #define IWL_OPERATION_MODE_HT_ONLY 1
792 #define IWL_OPERATION_MODE_MIXED 2
793 #define IWL_OPERATION_MODE_20MHZ 3
795 #define IWL_EXT_CHANNEL_OFFSET_NONE 0
796 #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
797 #define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2
798 #define IWL_EXT_CHANNEL_OFFSET_BELOW 3
800 #define IWL_TX_CRC_SIZE 4
801 #define IWL_TX_DELIMITER_SIZE 4
803 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
805 struct iwl4965_lq_mngr
{
809 u8
*next_higher_rate
;
812 unsigned long stamp_last
;
818 /* Sensitivity and chain noise calibration */
819 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
820 #define INITIALIZATION_VALUE 0xFFFF
821 #define CAL_NUM_OF_BEACONS 20
822 #define MAXIMUM_ALLOWED_PATHLOSS 15
824 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
826 #define MAX_FA_OFDM 50
827 #define MIN_FA_OFDM 5
828 #define MAX_FA_CCK 50
831 #define AUTO_CORR_STEP_OFDM 1
833 #define AUTO_CORR_STEP_CCK 3
834 #define AUTO_CORR_MAX_TH_CCK 160
837 #define NRG_STEP_CCK 2
839 #define MAX_NUMBER_CCK_NO_FA 100
841 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
846 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
847 #define ALL_BAND_FILTER 0xFF00
848 #define IN_BAND_FILTER 0xFF
849 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
851 #define NRG_NUM_PREV_STAT_L 20
852 #define NUM_RX_CHAINS 3
854 enum iwl4965_false_alarm_state
{
857 IWL_FA_GOOD_RANGE
= 2,
860 enum iwl4965_chain_noise_state
{
861 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
862 IWL_CHAIN_NOISE_ACCUMULATE
= 1,
863 IWL_CHAIN_NOISE_CALIBRATED
= 2,
866 enum iwl4965_calib_enabled_state
{
867 IWL_CALIB_DISABLED
= 0, /* must be 0 */
868 IWL_CALIB_ENABLED
= 1,
871 struct statistics_general_data
{
872 u32 beacon_silence_rssi_a
;
873 u32 beacon_silence_rssi_b
;
874 u32 beacon_silence_rssi_c
;
880 struct iwl_calib_results
{
882 void *tx_iq_perd_res
;
885 u32 tx_iq_perd_res_len
;
895 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
896 /* Sensitivity calib data */
897 struct iwl_sensitivity_data
{
899 u32 auto_corr_ofdm_mrc
;
900 u32 auto_corr_ofdm_x1
;
901 u32 auto_corr_ofdm_mrc_x1
;
903 u32 auto_corr_cck_mrc
;
905 u32 last_bad_plcp_cnt_ofdm
;
906 u32 last_fa_cnt_ofdm
;
907 u32 last_bad_plcp_cnt_cck
;
913 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
918 s32 nrg_auto_corr_silence_diff
;
919 u32 num_in_cck_no_fa
;
923 /* Chain noise (differential Rx gain) calib data */
924 struct iwl_chain_noise_data
{
933 u8 disconn_array
[NUM_RX_CHAINS
];
934 u8 delta_gain_code
[NUM_RX_CHAINS
];
937 #endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
939 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
940 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
943 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
946 MEASUREMENT_READY
= (1 << 0),
947 MEASUREMENT_ACTIVE
= (1 << 1),
952 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
956 /* ieee device used by generic ieee processing code */
957 struct ieee80211_hw
*hw
;
958 struct ieee80211_channel
*ieee_channels
;
959 struct ieee80211_rate
*ieee_rates
;
962 /* temporary frame storage list */
963 struct list_head free_frames
;
966 enum ieee80211_band band
;
970 void (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
971 struct iwl_rx_mem_buffer
*rxb
);
973 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
975 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
976 /* spectrum measurement report caching */
977 struct iwl4965_spectrum_notification measure_report
;
978 u8 measurement_status
;
980 /* ucode beacon time */
981 u32 ucode_beacon_time
;
983 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
984 * Access via channel # using indirect index array */
985 struct iwl_channel_info
*channel_info
; /* channel info array */
986 u8 channel_count
; /* # of channels */
988 /* each calibration channel group in the EEPROM has a derived
989 * clip setting for each rate. */
990 const struct iwl4965_clip_group clip_groups
[5];
992 /* thermal calibration */
993 s32 temperature
; /* degrees Kelvin */
994 s32 last_temperature
;
996 /* init calibration results */
997 struct iwl_calib_results calib_results
;
999 /* Scan related variables */
1000 unsigned long last_scan_jiffies
;
1001 unsigned long next_scan_jiffies
;
1002 unsigned long scan_start
;
1003 unsigned long scan_pass_start
;
1004 unsigned long scan_start_tsf
;
1006 int one_direct_scan
;
1008 u8 direct_ssid
[IW_ESSID_MAX_SIZE
];
1009 struct iwl4965_scan_cmd
*scan
;
1012 spinlock_t lock
; /* protect general shared data */
1013 spinlock_t hcmd_lock
; /* protect hcmd */
1016 /* basic pci-network driver stuff */
1017 struct pci_dev
*pci_dev
;
1019 /* pci hardware address support */
1020 void __iomem
*hw_base
;
1025 /* uCode images, save to reload in case of failure */
1026 struct fw_desc ucode_code
; /* runtime inst */
1027 struct fw_desc ucode_data
; /* runtime data original */
1028 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
1029 struct fw_desc ucode_init
; /* initialization inst */
1030 struct fw_desc ucode_init_data
; /* initialization data */
1031 struct fw_desc ucode_boot
; /* bootstrap inst */
1032 enum ucode_type ucode_type
;
1033 u8 ucode_write_complete
; /* the image write is complete */
1036 struct iwl4965_rxon_time_cmd rxon_timing
;
1038 /* We declare this const so it can only be
1039 * changed via explicit cast within the
1040 * routines that actually update the physical
1042 const struct iwl_rxon_cmd active_rxon
;
1043 struct iwl_rxon_cmd staging_rxon
;
1045 int error_recovering
;
1046 struct iwl_rxon_cmd recovery_rxon
;
1048 /* 1st responses from initialize and runtime uCode images.
1049 * 4965's initialize alive response contains some calibration data. */
1050 struct iwl_init_alive_resp card_alive_init
;
1051 struct iwl_alive_resp card_alive
;
1052 #ifdef CONFIG_IWLWIFI_RFKILL
1053 struct iwl_rfkill_mngr rfkill_mngr
;
1056 #ifdef CONFIG_IWLWIFI_LEDS
1057 struct iwl4965_led led
[IWL_LED_TRG_MAX
];
1058 unsigned long last_blink_time
;
1065 u16 active_rate_basic
;
1067 u8 assoc_station_added
;
1068 u8 use_ant_b_for_management_frame
; /* Tx antenna selection */
1070 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1071 struct iwl_sensitivity_data sensitivity_data
;
1072 struct iwl_chain_noise_data chain_noise_data
;
1073 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
1074 #endif /*CONFIG_IWLWIFI_RUN_TIME_CALIB*/
1076 #ifdef CONFIG_IWL4965_HT
1077 struct iwl_ht_info current_ht_config
;
1079 u8 last_phy_res
[100];
1081 /* Rate scaling data */
1082 struct iwl4965_lq_mngr lq_mngr
;
1084 /* Rate scaling data */
1085 s8 data_retry_limit
;
1088 wait_queue_head_t wait_command_queue
;
1090 int activity_timer_active
;
1092 /* Rx and Tx DMA processing queues */
1093 struct iwl_rx_queue rxq
;
1094 struct iwl_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
1095 unsigned long txq_ctx_active_msk
;
1096 struct iwl_kw kw
; /* keep warm address */
1097 u32 scd_base_addr
; /* scheduler sram base address */
1099 unsigned long status
;
1101 int last_rx_rssi
; /* From Rx packet statisitics */
1102 int last_rx_noise
; /* From beacon statistics */
1104 /* counts mgmt, ctl, and data packets */
1105 struct traffic_stats
{
1108 } tx_stats
[3], rx_stats
[3];
1110 struct iwl_power_mgr power_data
;
1112 struct iwl4965_notif_statistics statistics
;
1113 unsigned long last_statistics_time
;
1115 /* context information */
1116 u8 essid
[IW_ESSID_MAX_SIZE
];
1124 u8 mac_addr
[ETH_ALEN
];
1126 /*station table variables */
1127 spinlock_t sta_lock
;
1129 struct iwl_station_entry stations
[IWL_STATION_COUNT
];
1130 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
1133 unsigned long ucode_key_table
;
1135 /* Indication if ieee80211_ops->open has been called */
1138 u8 mac80211_registered
;
1140 /* Rx'd packet timing information */
1141 u32 last_beacon_time
;
1144 /* Duplicate packet detection */
1147 unsigned long last_packet_time
;
1149 /* Hash table for finding stations in IBSS network */
1150 struct list_head ibss_mac_hash
[IWL_IBSS_MAC_HASH_SIZE
];
1154 struct iwl_eeprom_calib_info
*calib_info
;
1156 enum ieee80211_if_types iw_mode
;
1158 struct sk_buff
*ibss_beacon
;
1160 /* Last Rx'd beacon timestamp */
1163 struct ieee80211_vif
*vif
;
1165 struct iwl_hw_params hw_params
;
1166 /* driver/uCode shared Tx Byte Counts and Rx status */
1168 int rb_closed_offset
;
1169 /* Physical Pointer to Tx Byte Counts and Rx status */
1170 dma_addr_t shared_phys
;
1172 /* Current association information needed to configure the
1175 u16 assoc_capability
;
1178 struct iwl4965_qos_info qos_data
;
1180 struct workqueue_struct
*workqueue
;
1182 struct work_struct up
;
1183 struct work_struct restart
;
1184 struct work_struct calibrated_work
;
1185 struct work_struct scan_completed
;
1186 struct work_struct rx_replenish
;
1187 struct work_struct rf_kill
;
1188 struct work_struct abort_scan
;
1189 struct work_struct update_link_led
;
1190 struct work_struct auth_work
;
1191 struct work_struct report_work
;
1192 struct work_struct request_scan
;
1193 struct work_struct beacon_update
;
1194 struct work_struct set_monitor
;
1196 struct tasklet_struct irq_tasklet
;
1198 struct delayed_work init_alive_start
;
1199 struct delayed_work alive_start
;
1200 struct delayed_work activity_timer
;
1201 struct delayed_work thermal_periodic
;
1202 struct delayed_work gather_stats
;
1203 struct delayed_work scan_check
;
1204 struct delayed_work post_associate
;
1206 #define IWL_DEFAULT_TX_POWER 0x0F
1207 s8 user_txpower_limit
;
1208 s8 max_channel_txpower_limit
;
1214 #ifdef CONFIG_IWLWIFI_DEBUG
1215 /* debugging info */
1218 atomic_t restrict_refcnt
;
1219 #ifdef CONFIG_IWLWIFI_DEBUGFS
1221 struct iwl_debugfs
*dbgfs
;
1222 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1223 #endif /* CONFIG_IWLWIFI_DEBUG */
1225 struct work_struct txpower_work
;
1226 #ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
1227 u32 disable_sens_cal
;
1228 u32 disable_chain_noise_cal
;
1229 #endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
1230 #ifdef CONFIG_IWL4965_RUN_TIME_CALIB
1231 struct work_struct sensitivity_work
;
1232 #endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
1233 struct timer_list statistics_periodic
;
1236 static inline void iwl_txq_ctx_activate(struct iwl_priv
*priv
, int txq_id
)
1238 set_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1241 static inline void iwl_txq_ctx_deactivate(struct iwl_priv
*priv
, int txq_id
)
1243 clear_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1246 #ifdef CONFIG_IWLWIF_DEBUG
1247 const char *iwl_get_tx_fail_reason(u32 status
);
1249 static inline const char *iwl_get_tx_fail_reason(u32 status
) { return ""; }
1253 #ifdef CONFIG_IWL4965_HT
1254 static inline int iwl_get_ra_sta_id(struct iwl_priv
*priv
,
1255 struct ieee80211_hdr
*hdr
)
1257 if (priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) {
1260 u8
*da
= ieee80211_get_DA(hdr
);
1261 return iwl_find_station(priv
, da
);
1265 static inline struct ieee80211_hdr
*iwl_tx_queue_get_hdr(struct iwl_priv
*priv
,
1266 int txq_id
, int idx
)
1268 if (priv
->txq
[txq_id
].txb
[idx
].skb
[0])
1269 return (struct ieee80211_hdr
*)priv
->txq
[txq_id
].
1270 txb
[idx
].skb
[0]->data
;
1276 static inline int iwl_is_associated(struct iwl_priv
*priv
)
1278 return (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1281 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1283 if (ch_info
== NULL
)
1285 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1288 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1290 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1293 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1295 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1298 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1300 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1303 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1305 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1308 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1310 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1313 #ifdef CONFIG_IWLWIFI_DEBUG
1314 static inline void iwl_print_hex_dump(struct iwl_priv
*priv
, int level
,
1317 if (!(priv
->debug_level
& level
))
1320 print_hex_dump(KERN_DEBUG
, "iwl data: ", DUMP_PREFIX_OFFSET
, 16, 1,
1324 static inline void iwl_print_hex_dump(struct iwl_priv
*priv
, int level
,
1330 extern const struct iwl_channel_info
*iwl_get_channel_info(
1331 const struct iwl_priv
*priv
, enum ieee80211_band band
, u16 channel
);
1333 /* Requires full declaration of iwl_priv before including */
1335 #endif /* __iwl4965_4965_h__ */