1 /******************************************************************************
3 * Copyright(c) 2003 - 2007 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-4965.h) for driver implementation definitions.
28 * Please use iwl-4965-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 /* Hardware specific file defines the PCI IDs table for that hardware module */
40 extern struct pci_device_id iwl4965_hw_card_ids
[];
42 #define DRV_NAME "iwl4965"
43 #include "iwl-4965-hw.h"
45 #include "iwl-4965-debug.h"
47 /* Default noise level to report when noise measurement is not available.
48 * This may be because we're:
49 * 1) Not associated (4965, no beacon statistics being sent to driver)
50 * 2) Scanning (noise measurement does not apply to associated channel)
51 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
52 * Use default noise value of -127 ... this is below the range of measurable
53 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
54 * Also, -127 works better than 0 when averaging frames with/without
55 * noise info (e.g. averaging might be done in app); measured dBm values are
56 * always negative ... using a negative value as the default keeps all
57 * averages within an s8's (used in some apps) range of negative values. */
58 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
60 /* Module parameters accessible from iwl-*.c */
61 extern int iwl4965_param_hwcrypto
;
62 extern int iwl4965_param_queues_num
;
63 extern int iwl4965_param_amsdu_size_8K
;
65 enum iwl4965_antenna
{
66 IWL_ANTENNA_DIVERSITY
,
72 * RTS threshold here is total size [2347] minus 4 FCS bytes
74 * a value of 0 means RTS on all data/management packets
75 * a value > max MSDU size means no RTS
76 * else RTS for data/management frames where MPDU is larger
79 #define DEFAULT_RTS_THRESHOLD 2347U
80 #define MIN_RTS_THRESHOLD 0U
81 #define MAX_RTS_THRESHOLD 2347U
82 #define MAX_MSDU_SIZE 2304U
83 #define MAX_MPDU_SIZE 2346U
84 #define DEFAULT_BEACON_INTERVAL 100U
85 #define DEFAULT_SHORT_RETRY_LIMIT 7U
86 #define DEFAULT_LONG_RETRY_LIMIT 4U
88 struct iwl4965_rx_mem_buffer
{
91 struct list_head list
;
95 * Generic queue structure
97 * Contains common data for Rx and Tx queues
99 struct iwl4965_queue
{
100 int n_bd
; /* number of BDs in this queue */
101 int write_ptr
; /* 1-st empty entry (index) host_w*/
102 int read_ptr
; /* last used entry (index) host_r*/
103 dma_addr_t dma_addr
; /* physical addr for BD's */
104 int n_window
; /* safe queue window */
106 int low_mark
; /* low watermark, resume queue if free
107 * space more than this */
108 int high_mark
; /* high watermark, stop queue if free
109 * space less than this */
110 } __attribute__ ((packed
));
112 #define MAX_NUM_OF_TBS (20)
114 /* One for each TFD */
115 struct iwl4965_tx_info
{
116 struct ieee80211_tx_status status
;
117 struct sk_buff
*skb
[MAX_NUM_OF_TBS
];
121 * struct iwl4965_tx_queue - Tx Queue for DMA
122 * @q: generic Rx/Tx queue descriptor
123 * @bd: base of circular buffer of TFDs
124 * @cmd: array of command/Tx buffers
125 * @dma_addr_cmd: physical address of cmd/tx buffer array
126 * @txb: array of per-TFD driver data
127 * @need_update: indicates need to update read/write index
128 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
130 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
131 * descriptors) and required locking structures.
133 struct iwl4965_tx_queue
{
134 struct iwl4965_queue q
;
135 struct iwl4965_tfd_frame
*bd
;
136 struct iwl4965_cmd
*cmd
;
137 dma_addr_t dma_addr_cmd
;
138 struct iwl4965_tx_info
*txb
;
144 #define IWL_NUM_SCAN_RATES (2)
146 struct iwl4965_channel_tgd_info
{
151 struct iwl4965_channel_tgh_info
{
155 /* current Tx power values to use, one for each rate for each channel.
156 * requested power is limited by:
157 * -- regulatory EEPROM limits for this channel
158 * -- hardware capabilities (clip-powers)
159 * -- spectrum management
160 * -- user preference (e.g. iwconfig)
161 * when requested power is set, base power index must also be set. */
162 struct iwl4965_channel_power_info
{
163 struct iwl4965_tx_power tpc
; /* actual radio and DSP gain settings */
164 s8 power_table_index
; /* actual (compenst'd) index into gain table */
165 s8 base_power_index
; /* gain index for power at factory temp. */
166 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
169 /* current scan Tx power values to use, one for each scan rate for each
171 struct iwl4965_scan_power_info
{
172 struct iwl4965_tx_power tpc
; /* actual radio and DSP gain settings */
173 s8 power_table_index
; /* actual (compenst'd) index into gain table */
174 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
177 /* For fat_extension_channel */
179 HT_IE_EXT_CHANNEL_NONE
= 0,
180 HT_IE_EXT_CHANNEL_ABOVE
,
181 HT_IE_EXT_CHANNEL_INVALID
,
182 HT_IE_EXT_CHANNEL_BELOW
,
183 HT_IE_EXT_CHANNEL_MAX
187 * One for each channel, holds all channel setup data
188 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
191 #define IWL4965_MAX_RATE (33)
193 struct iwl4965_channel_info
{
194 struct iwl4965_channel_tgd_info tgd
;
195 struct iwl4965_channel_tgh_info tgh
;
196 struct iwl4965_eeprom_channel eeprom
; /* EEPROM regulatory limit */
197 struct iwl4965_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
200 u8 channel
; /* channel number */
201 u8 flags
; /* flags copied from EEPROM */
202 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
203 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
204 s8 min_power
; /* always 0 */
205 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
207 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
208 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
209 enum ieee80211_band band
;
211 /* Radio/DSP gain settings for each "normal" data Tx rate.
212 * These include, in addition to RF and DSP gain, a few fields for
213 * remembering/modifying gain settings (indexes). */
214 struct iwl4965_channel_power_info power_info
[IWL4965_MAX_RATE
];
216 /* FAT channel info */
217 s8 fat_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
218 s8 fat_curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
219 s8 fat_min_power
; /* always 0 */
220 s8 fat_scan_power
; /* (dBm) eeprom, direct scans, any rate */
221 u8 fat_flags
; /* flags copied from EEPROM */
222 u8 fat_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
224 /* Radio/DSP gain settings for each scan rate, for directed scans. */
225 struct iwl4965_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
228 struct iwl4965_clip_group
{
229 /* maximum power level to prevent clipping for each rate, derived by
230 * us from this band's saturation power in EEPROM */
231 const s8 clip_powers
[IWL_MAX_RATES
];
234 #include "iwl-4965-rs.h"
236 #define IWL_TX_FIFO_AC0 0
237 #define IWL_TX_FIFO_AC1 1
238 #define IWL_TX_FIFO_AC2 2
239 #define IWL_TX_FIFO_AC3 3
240 #define IWL_TX_FIFO_HCCA_1 5
241 #define IWL_TX_FIFO_HCCA_2 6
242 #define IWL_TX_FIFO_NONE 7
244 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
245 #define IWL_MIN_NUM_QUEUES 4
247 /* Power management (not Tx power) structures */
249 struct iwl4965_power_vec_entry
{
250 struct iwl4965_powertable_cmd cmd
;
253 #define IWL_POWER_RANGE_0 (0)
254 #define IWL_POWER_RANGE_1 (1)
256 #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
257 #define IWL_POWER_INDEX_3 0x03
258 #define IWL_POWER_INDEX_5 0x05
259 #define IWL_POWER_AC 0x06
260 #define IWL_POWER_BATTERY 0x07
261 #define IWL_POWER_LIMIT 0x07
262 #define IWL_POWER_MASK 0x0F
263 #define IWL_POWER_ENABLED 0x10
264 #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
266 struct iwl4965_power_mgr
{
268 struct iwl4965_power_vec_entry pwr_range_0
[IWL_POWER_AC
];
269 struct iwl4965_power_vec_entry pwr_range_1
[IWL_POWER_AC
];
274 #define IEEE80211_DATA_LEN 2304
275 #define IEEE80211_4ADDR_LEN 30
276 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
277 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
279 struct iwl4965_frame
{
281 struct ieee80211_hdr frame
;
282 struct iwl4965_tx_beacon_cmd beacon
;
283 u8 raw
[IEEE80211_FRAME_LEN
];
286 struct list_head list
;
289 #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
290 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
291 #define SEQ_TO_INDEX(x) (x & 0xff)
292 #define INDEX_TO_SEQ(x) (x & 0xff)
293 #define SEQ_HUGE_FRAME (0x4000)
294 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
295 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
296 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
297 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
300 /* CMD_SIZE_NORMAL = 0, */
301 CMD_SIZE_HUGE
= (1 << 0),
303 CMD_ASYNC
= (1 << 1),
304 /* CMD_NO_SKB = 0, */
305 CMD_WANT_SKB
= (1 << 2),
311 struct iwl4965_cmd_meta
{
312 struct iwl4965_cmd_meta
*source
;
315 int (*callback
)(struct iwl4965_priv
*priv
,
316 struct iwl4965_cmd
*cmd
, struct sk_buff
*skb
);
317 } __attribute__ ((packed
)) u
;
319 /* The CMD_SIZE_HUGE flag bit indicates that the command
320 * structure is stored at the end of the shared queue memory. */
323 } __attribute__ ((packed
));
328 * For allocation of the command and tx queues, this establishes the overall
329 * size of the largest command we send to uCode, except for a scan command
330 * (which is relatively huge; space is allocated separately).
333 struct iwl4965_cmd_meta meta
; /* driver data */
334 struct iwl4965_cmd_header hdr
; /* uCode API */
336 struct iwl4965_addsta_cmd addsta
;
337 struct iwl4965_led_cmd led
;
342 struct iwl4965_bt_cmd bt
;
343 struct iwl4965_rxon_time_cmd rxon_time
;
344 struct iwl4965_powertable_cmd powertable
;
345 struct iwl4965_qosparam_cmd qosparam
;
346 struct iwl4965_tx_cmd tx
;
347 struct iwl4965_tx_beacon_cmd tx_beacon
;
348 struct iwl4965_rxon_assoc_cmd rxon_assoc
;
351 } __attribute__ ((packed
)) cmd
;
352 } __attribute__ ((packed
));
354 struct iwl4965_host_cmd
{
357 struct iwl4965_cmd_meta meta
;
361 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl4965_cmd) - \
362 sizeof(struct iwl4965_cmd_meta))
365 * RX related structures and functions
367 #define RX_FREE_BUFFERS 64
368 #define RX_LOW_WATERMARK 8
370 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
371 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
372 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
375 * struct iwl4965_rx_queue - Rx queue
376 * @processed: Internal index to last handled Rx packet
377 * @read: Shared index to newest available Rx buffer
378 * @write: Shared index to oldest written Rx packet
379 * @free_count: Number of pre-allocated buffers in rx_free
380 * @rx_free: list of free SKBs for use
381 * @rx_used: List of Rx buffers with no SKB
382 * @need_update: flag to indicate we need to update read/write index
384 * NOTE: rx_free and rx_used are used as a FIFO for iwl4965_rx_mem_buffers
386 struct iwl4965_rx_queue
{
389 struct iwl4965_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
390 struct iwl4965_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
395 struct list_head rx_free
;
396 struct list_head rx_used
;
401 #define IWL_SUPPORTED_RATES_IE_LEN 8
403 #define SCAN_INTERVAL 100
405 #define MAX_A_CHANNELS 252
406 #define MIN_A_CHANNELS 7
408 #define MAX_B_CHANNELS 14
409 #define MIN_B_CHANNELS 1
411 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
412 #define STATUS_INT_ENABLED 1
413 #define STATUS_RF_KILL_HW 2
414 #define STATUS_RF_KILL_SW 3
415 #define STATUS_INIT 4
416 #define STATUS_ALIVE 5
417 #define STATUS_READY 6
418 #define STATUS_TEMPERATURE 7
419 #define STATUS_GEO_CONFIGURED 8
420 #define STATUS_EXIT_PENDING 9
421 #define STATUS_IN_SUSPEND 10
422 #define STATUS_STATISTICS 11
423 #define STATUS_SCANNING 12
424 #define STATUS_SCAN_ABORTING 13
425 #define STATUS_SCAN_HW 14
426 #define STATUS_POWER_PMI 15
427 #define STATUS_FW_ERROR 16
428 #define STATUS_CONF_PENDING 17
430 #define MAX_TID_COUNT 9
432 #define IWL_INVALID_RATE 0xFF
433 #define IWL_INVALID_VALUE -1
435 #ifdef CONFIG_IWL4965_HT
437 * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
438 * @txq_id: Tx queue used for Tx attempt
439 * @frame_count: # frames attempted by Tx command
440 * @wait_for_ba: Expect block-ack before next Tx reply
441 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
442 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
443 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
444 * @rate_n_flags: Rate at which Tx was attempted
446 * If REPLY_TX indicates that aggregation was attempted, driver must wait
447 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
448 * until block ack arrives.
450 struct iwl4965_ht_agg
{
457 #define IWL_AGG_OFF 0
459 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
460 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
464 #endif /* CONFIG_IWL4965_HT */
466 struct iwl4965_tid_data
{
469 #ifdef CONFIG_IWL4965_HT
470 struct iwl4965_ht_agg agg
;
471 #endif /* CONFIG_IWL4965_HT */
474 struct iwl4965_hw_key
{
475 enum ieee80211_key_alg alg
;
480 union iwl4965_ht_rate_supp
{
488 #ifdef CONFIG_IWL4965_HT
489 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
490 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
491 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
494 /* self configuration data */
496 u8 supported_chan_width
;
499 u8 sgf
; /* HT_SHORT_GI_* short guard interval */
504 /* BSS related data */
506 u8 extension_chan_offset
;
509 u8 non_GF_STA_present
;
511 #endif /*CONFIG_IWL4965_HT */
513 #ifdef CONFIG_IWL4965_QOS
515 union iwl4965_qos_capabity
{
517 u8 edca_count
:4; /* bit 0-3 */
518 u8 q_ack
:1; /* bit 4 */
519 u8 queue_request
:1; /* bit 5 */
520 u8 txop_request
:1; /* bit 6 */
521 u8 reserved
:1; /* bit 7 */
524 u8 acvo_APSD
:1; /* bit 0 */
525 u8 acvi_APSD
:1; /* bit 1 */
526 u8 ac_bk_APSD
:1; /* bit 2 */
527 u8 ac_be_APSD
:1; /* bit 3 */
528 u8 q_ack
:1; /* bit 4 */
529 u8 max_len
:2; /* bit 5-6 */
530 u8 more_data_ack
:1; /* bit 7 */
536 struct iwl4965_qos_info
{
539 union iwl4965_qos_capabity qos_cap
;
540 struct iwl4965_qosparam_cmd def_qos_parm
;
542 #endif /*CONFIG_IWL4965_QOS */
544 #define STA_PS_STATUS_WAKE 0
545 #define STA_PS_STATUS_SLEEP 1
547 struct iwl4965_station_entry
{
548 struct iwl4965_addsta_cmd sta
;
549 struct iwl4965_tid_data tid
[MAX_TID_COUNT
];
552 struct iwl4965_hw_key keyinfo
;
555 /* one for each uCode image (inst/data, boot/init/runtime) */
557 void *v_addr
; /* access by driver */
558 dma_addr_t p_addr
; /* access by card's busmaster DMA */
562 /* uCode file layout */
563 struct iwl4965_ucode
{
564 __le32 ver
; /* major/minor/subminor */
565 __le32 inst_size
; /* bytes of runtime instructions */
566 __le32 data_size
; /* bytes of runtime data */
567 __le32 init_size
; /* bytes of initialization instructions */
568 __le32 init_data_size
; /* bytes of initialization data */
569 __le32 boot_size
; /* bytes of bootstrap instructions */
570 u8 data
[0]; /* data in same order as "size" elements */
573 #define IWL_IBSS_MAC_HASH_SIZE 32
575 struct iwl4965_ibss_seq
{
579 unsigned long packet_time
;
580 struct list_head list
;
584 * struct iwl4965_driver_hw_info
585 * @max_txq_num: Max # Tx queues supported
586 * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
587 * @tx_cmd_len: Size of Tx command (but not including frame itself)
588 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
590 * @max_rxq_log: Log-base-2 of max_rxq_size
593 * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
594 * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
596 struct iwl4965_driver_hw_info
{
607 dma_addr_t shared_phys
;
610 #define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
611 #define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
614 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
615 x->u.rx_frame.stats.payload + \
616 x->u.rx_frame.stats.phy_count))
617 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
618 IWL_RX_HDR(x)->payload + \
619 le16_to_cpu(IWL_RX_HDR(x)->len)))
620 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
621 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
624 /******************************************************************************
626 * Functions implemented in iwl-base.c which are forward declared here
629 *****************************************************************************/
630 struct iwl4965_addsta_cmd
;
631 extern int iwl4965_send_add_station(struct iwl4965_priv
*priv
,
632 struct iwl4965_addsta_cmd
*sta
, u8 flags
);
633 extern u8
iwl4965_add_station_flags(struct iwl4965_priv
*priv
, const u8
*addr
,
634 int is_ap
, u8 flags
, void *ht_data
);
635 extern int iwl4965_is_network_packet(struct iwl4965_priv
*priv
,
636 struct ieee80211_hdr
*header
);
637 extern int iwl4965_power_init_handle(struct iwl4965_priv
*priv
);
638 extern int iwl4965_eeprom_init(struct iwl4965_priv
*priv
);
639 #ifdef CONFIG_IWL4965_DEBUG
640 extern void iwl4965_report_frame(struct iwl4965_priv
*priv
,
641 struct iwl4965_rx_packet
*pkt
,
642 struct ieee80211_hdr
*header
, int group100
);
644 static inline void iwl4965_report_frame(struct iwl4965_priv
*priv
,
645 struct iwl4965_rx_packet
*pkt
,
646 struct ieee80211_hdr
*header
,
649 extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv
*priv
,
650 struct iwl4965_rx_mem_buffer
*rxb
,
651 void *data
, short len
,
652 struct ieee80211_rx_status
*stats
,
654 extern int iwl4965_is_duplicate_packet(struct iwl4965_priv
*priv
,
655 struct ieee80211_hdr
*header
);
656 extern int iwl4965_rx_queue_alloc(struct iwl4965_priv
*priv
);
657 extern void iwl4965_rx_queue_reset(struct iwl4965_priv
*priv
,
658 struct iwl4965_rx_queue
*rxq
);
659 extern int iwl4965_calc_db_from_ratio(int sig_ratio
);
660 extern int iwl4965_calc_sig_qual(int rssi_dbm
, int noise_dbm
);
661 extern int iwl4965_tx_queue_init(struct iwl4965_priv
*priv
,
662 struct iwl4965_tx_queue
*txq
, int count
, u32 id
);
663 extern void iwl4965_rx_replenish(void *data
);
664 extern void iwl4965_tx_queue_free(struct iwl4965_priv
*priv
, struct iwl4965_tx_queue
*txq
);
665 extern int iwl4965_send_cmd_pdu(struct iwl4965_priv
*priv
, u8 id
, u16 len
,
667 extern int __must_check
iwl4965_send_cmd(struct iwl4965_priv
*priv
,
668 struct iwl4965_host_cmd
*cmd
);
669 extern unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv
*priv
,
670 struct ieee80211_hdr
*hdr
,
671 const u8
*dest
, int left
);
672 extern int iwl4965_rx_queue_update_write_ptr(struct iwl4965_priv
*priv
,
673 struct iwl4965_rx_queue
*q
);
674 extern int iwl4965_send_statistics_request(struct iwl4965_priv
*priv
);
675 extern void iwl4965_set_decrypted_flag(struct iwl4965_priv
*priv
, struct sk_buff
*skb
,
677 struct ieee80211_rx_status
*stats
);
678 extern __le16
*ieee80211_get_qos_ctrl(struct ieee80211_hdr
*hdr
);
680 extern const u8 iwl4965_broadcast_addr
[ETH_ALEN
];
683 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
684 * call this... todo... fix that.
686 extern u8
iwl4965_sync_station(struct iwl4965_priv
*priv
, int sta_id
,
687 u16 tx_rate
, u8 flags
);
689 /******************************************************************************
691 * Functions implemented in iwl-[34]*.c which are forward declared here
692 * for use by iwl-base.c
694 * NOTE: The implementation of these functions are hardware specific
695 * which is why they are in the hardware specific files (vs. iwl-base.c)
697 * Naming convention --
698 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
699 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
700 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
701 * iwl4965_bg_ <-- Called from work queue context
702 * iwl4965_mac_ <-- mac80211 callback
704 ****************************************************************************/
705 extern void iwl4965_hw_rx_handler_setup(struct iwl4965_priv
*priv
);
706 extern void iwl4965_hw_setup_deferred_work(struct iwl4965_priv
*priv
);
707 extern void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv
*priv
);
708 extern int iwl4965_hw_rxq_stop(struct iwl4965_priv
*priv
);
709 extern int iwl4965_hw_set_hw_setting(struct iwl4965_priv
*priv
);
710 extern int iwl4965_hw_nic_init(struct iwl4965_priv
*priv
);
711 extern int iwl4965_hw_nic_stop_master(struct iwl4965_priv
*priv
);
712 extern void iwl4965_hw_txq_ctx_free(struct iwl4965_priv
*priv
);
713 extern void iwl4965_hw_txq_ctx_stop(struct iwl4965_priv
*priv
);
714 extern int iwl4965_hw_nic_reset(struct iwl4965_priv
*priv
);
715 extern int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl4965_priv
*priv
, void *tfd
,
716 dma_addr_t addr
, u16 len
);
717 extern int iwl4965_hw_txq_free_tfd(struct iwl4965_priv
*priv
, struct iwl4965_tx_queue
*txq
);
718 extern int iwl4965_hw_get_temperature(struct iwl4965_priv
*priv
);
719 extern int iwl4965_hw_tx_queue_init(struct iwl4965_priv
*priv
,
720 struct iwl4965_tx_queue
*txq
);
721 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl4965_priv
*priv
,
722 struct iwl4965_frame
*frame
, u8 rate
);
723 extern int iwl4965_hw_get_rx_read(struct iwl4965_priv
*priv
);
724 extern void iwl4965_hw_build_tx_cmd_rate(struct iwl4965_priv
*priv
,
725 struct iwl4965_cmd
*cmd
,
726 struct ieee80211_tx_control
*ctrl
,
727 struct ieee80211_hdr
*hdr
,
728 int sta_id
, int tx_id
);
729 extern int iwl4965_hw_reg_send_txpower(struct iwl4965_priv
*priv
);
730 extern int iwl4965_hw_reg_set_txpower(struct iwl4965_priv
*priv
, s8 power
);
731 extern void iwl4965_hw_rx_statistics(struct iwl4965_priv
*priv
,
732 struct iwl4965_rx_mem_buffer
*rxb
);
733 extern void iwl4965_disable_events(struct iwl4965_priv
*priv
);
734 extern int iwl4965_get_temperature(const struct iwl4965_priv
*priv
);
737 * iwl4965_hw_find_station - Find station id for a given BSSID
738 * @bssid: MAC address of station ID to find
740 * NOTE: This should not be hardware specific but the code has
741 * not yet been merged into a single common layer for managing the
744 extern u8
iwl4965_hw_find_station(struct iwl4965_priv
*priv
, const u8
*bssid
);
746 extern int iwl4965_hw_channel_switch(struct iwl4965_priv
*priv
, u16 channel
);
747 extern int iwl4965_tx_queue_reclaim(struct iwl4965_priv
*priv
, int txq_id
, int index
);
748 extern int iwl4965_queue_space(const struct iwl4965_queue
*q
);
752 * Forward declare iwl-4965.c functions for iwl-base.c
754 extern int iwl4965_eeprom_acquire_semaphore(struct iwl4965_priv
*priv
);
756 extern int iwl4965_tx_queue_update_wr_ptr(struct iwl4965_priv
*priv
,
757 struct iwl4965_tx_queue
*txq
,
759 extern void iwl4965_add_station(struct iwl4965_priv
*priv
, const u8
*addr
,
761 extern void iwl4965_set_rxon_chain(struct iwl4965_priv
*priv
);
762 extern int iwl4965_alive_notify(struct iwl4965_priv
*priv
);
763 extern void iwl4965_update_rate_scaling(struct iwl4965_priv
*priv
, u8 mode
);
764 extern void iwl4965_chain_noise_reset(struct iwl4965_priv
*priv
);
765 extern void iwl4965_init_sensitivity(struct iwl4965_priv
*priv
, u8 flags
,
767 extern int iwl4965_set_fat_chan_info(struct iwl4965_priv
*priv
,
768 enum ieee80211_band band
,
770 const struct iwl4965_eeprom_channel
*eeprom_ch
,
771 u8 fat_extension_channel
);
772 extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv
*priv
);
774 #ifdef CONFIG_IWL4965_HT
775 extern void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info
*ht_info
,
777 extern void iwl4965_set_rxon_ht(struct iwl4965_priv
*priv
,
778 struct iwl_ht_info
*ht_info
);
779 extern void iwl4965_set_ht_add_station(struct iwl4965_priv
*priv
, u8 index
,
780 struct ieee80211_ht_info
*sta_ht_inf
);
781 extern int iwl4965_mac_ampdu_action(struct ieee80211_hw
*hw
,
782 enum ieee80211_ampdu_mlme_action action
,
783 const u8
*addr
, u16 tid
, u16
*ssn
);
784 extern int iwl4965_check_empty_hw_queue(struct iwl4965_priv
*priv
, int sta_id
,
786 #endif /*CONFIG_IWL4965_HT */
787 /* Structures, enum, and defines specific to the 4965 */
789 #define IWL4965_KW_SIZE 0x1000 /*4k */
797 #define IWL_CHANNEL_WIDTH_20MHZ 0
798 #define IWL_CHANNEL_WIDTH_40MHZ 1
800 #define IWL_MIMO_PS_STATIC 0
801 #define IWL_MIMO_PS_NONE 3
802 #define IWL_MIMO_PS_DYNAMIC 1
803 #define IWL_MIMO_PS_INVALID 2
805 #define IWL_OPERATION_MODE_AUTO 0
806 #define IWL_OPERATION_MODE_HT_ONLY 1
807 #define IWL_OPERATION_MODE_MIXED 2
808 #define IWL_OPERATION_MODE_20MHZ 3
810 #define IWL_EXT_CHANNEL_OFFSET_AUTO 0
811 #define IWL_EXT_CHANNEL_OFFSET_ABOVE 1
812 #define IWL_EXT_CHANNEL_OFFSET_ 2
813 #define IWL_EXT_CHANNEL_OFFSET_BELOW 3
814 #define IWL_EXT_CHANNEL_OFFSET_MAX 4
816 #define NRG_NUM_PREV_STAT_L 20
817 #define NUM_RX_CHAINS (3)
819 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
821 struct iwl4965_lq_mngr
{
825 u8
*next_higher_rate
;
828 unsigned long stamp_last
;
834 /* Sensitivity and chain noise calibration */
835 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
836 #define INITIALIZATION_VALUE 0xFFFF
837 #define CAL_NUM_OF_BEACONS 20
838 #define MAXIMUM_ALLOWED_PATHLOSS 15
840 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
842 #define MAX_FA_OFDM 50
843 #define MIN_FA_OFDM 5
844 #define MAX_FA_CCK 50
847 #define NRG_MIN_CCK 97
848 #define NRG_MAX_CCK 0
850 #define AUTO_CORR_MIN_OFDM 85
851 #define AUTO_CORR_MIN_OFDM_MRC 170
852 #define AUTO_CORR_MIN_OFDM_X1 105
853 #define AUTO_CORR_MIN_OFDM_MRC_X1 220
854 #define AUTO_CORR_MAX_OFDM 120
855 #define AUTO_CORR_MAX_OFDM_MRC 210
856 #define AUTO_CORR_MAX_OFDM_X1 140
857 #define AUTO_CORR_MAX_OFDM_MRC_X1 270
858 #define AUTO_CORR_STEP_OFDM 1
860 #define AUTO_CORR_MIN_CCK (125)
861 #define AUTO_CORR_MAX_CCK (200)
862 #define AUTO_CORR_MIN_CCK_MRC 200
863 #define AUTO_CORR_MAX_CCK_MRC 400
864 #define AUTO_CORR_STEP_CCK 3
865 #define AUTO_CORR_MAX_TH_CCK 160
868 #define NRG_STEP_CCK 2
870 #define MAX_NUMBER_CCK_NO_FA 100
872 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
877 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
878 #define ALL_BAND_FILTER 0xFF00
879 #define IN_BAND_FILTER 0xFF
880 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
882 enum iwl4965_false_alarm_state
{
885 IWL_FA_GOOD_RANGE
= 2,
888 enum iwl4965_chain_noise_state
{
889 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
890 IWL_CHAIN_NOISE_ACCUMULATE
= 1,
891 IWL_CHAIN_NOISE_CALIBRATED
= 2,
894 enum iwl4965_sensitivity_state
{
895 IWL_SENS_CALIB_ALLOWED
= 0,
896 IWL_SENS_CALIB_NEED_REINIT
= 1,
899 enum iwl4965_calib_enabled_state
{
900 IWL_CALIB_DISABLED
= 0, /* must be 0 */
901 IWL_CALIB_ENABLED
= 1,
904 struct statistics_general_data
{
905 u32 beacon_silence_rssi_a
;
906 u32 beacon_silence_rssi_b
;
907 u32 beacon_silence_rssi_c
;
913 /* Sensitivity calib data */
914 struct iwl4965_sensitivity_data
{
916 u32 auto_corr_ofdm_mrc
;
917 u32 auto_corr_ofdm_x1
;
918 u32 auto_corr_ofdm_mrc_x1
;
920 u32 auto_corr_cck_mrc
;
922 u32 last_bad_plcp_cnt_ofdm
;
923 u32 last_fa_cnt_ofdm
;
924 u32 last_bad_plcp_cnt_cck
;
930 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
935 s32 nrg_auto_corr_silence_diff
;
936 u32 num_in_cck_no_fa
;
942 /* Chain noise (differential Rx gain) calib data */
943 struct iwl4965_chain_noise_data
{
952 u8 disconn_array
[NUM_RX_CHAINS
];
953 u8 delta_gain_code
[NUM_RX_CHAINS
];
957 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
958 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
961 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
964 MEASUREMENT_READY
= (1 << 0),
965 MEASUREMENT_ACTIVE
= (1 << 1),
970 struct iwl4965_priv
{
972 /* ieee device used by generic ieee processing code */
973 struct ieee80211_hw
*hw
;
974 struct ieee80211_channel
*ieee_channels
;
975 struct ieee80211_rate
*ieee_rates
;
977 /* temporary frame storage list */
978 struct list_head free_frames
;
981 enum ieee80211_band band
;
985 void (*rx_handlers
[REPLY_MAX
])(struct iwl4965_priv
*priv
,
986 struct iwl4965_rx_mem_buffer
*rxb
);
988 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
990 #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
991 /* spectrum measurement report caching */
992 struct iwl4965_spectrum_notification measure_report
;
993 u8 measurement_status
;
995 /* ucode beacon time */
996 u32 ucode_beacon_time
;
998 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
999 * Access via channel # using indirect index array */
1000 struct iwl4965_channel_info
*channel_info
; /* channel info array */
1001 u8 channel_count
; /* # of channels */
1003 /* each calibration channel group in the EEPROM has a derived
1004 * clip setting for each rate. */
1005 const struct iwl4965_clip_group clip_groups
[5];
1007 /* thermal calibration */
1008 s32 temperature
; /* degrees Kelvin */
1009 s32 last_temperature
;
1011 /* Scan related variables */
1012 unsigned long last_scan_jiffies
;
1013 unsigned long next_scan_jiffies
;
1014 unsigned long scan_start
;
1015 unsigned long scan_pass_start
;
1016 unsigned long scan_start_tsf
;
1018 int one_direct_scan
;
1020 u8 direct_ssid
[IW_ESSID_MAX_SIZE
];
1021 struct iwl4965_scan_cmd
*scan
;
1022 u8 only_active_channel
;
1025 spinlock_t lock
; /* protect general shared data */
1026 spinlock_t hcmd_lock
; /* protect hcmd */
1029 /* basic pci-network driver stuff */
1030 struct pci_dev
*pci_dev
;
1032 /* pci hardware address support */
1033 void __iomem
*hw_base
;
1035 /* uCode images, save to reload in case of failure */
1036 struct fw_desc ucode_code
; /* runtime inst */
1037 struct fw_desc ucode_data
; /* runtime data original */
1038 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
1039 struct fw_desc ucode_init
; /* initialization inst */
1040 struct fw_desc ucode_init_data
; /* initialization data */
1041 struct fw_desc ucode_boot
; /* bootstrap inst */
1044 struct iwl4965_rxon_time_cmd rxon_timing
;
1046 /* We declare this const so it can only be
1047 * changed via explicit cast within the
1048 * routines that actually update the physical
1050 const struct iwl4965_rxon_cmd active_rxon
;
1051 struct iwl4965_rxon_cmd staging_rxon
;
1053 int error_recovering
;
1054 struct iwl4965_rxon_cmd recovery_rxon
;
1056 /* 1st responses from initialize and runtime uCode images.
1057 * 4965's initialize alive response contains some calibration data. */
1058 struct iwl4965_init_alive_resp card_alive_init
;
1059 struct iwl4965_alive_resp card_alive
;
1062 /* LED related variables */
1063 struct iwl4965_activity_blink activity
;
1064 unsigned long led_packets
;
1069 u16 active_rate_basic
;
1071 u8 call_post_assoc_from_beacon
;
1072 u8 assoc_station_added
;
1073 u8 use_ant_b_for_management_frame
; /* Tx antenna selection */
1074 u8 valid_antenna
; /* Bit mask of antennas actually connected */
1075 #ifdef CONFIG_IWL4965_SENSITIVITY
1076 struct iwl4965_sensitivity_data sensitivity_data
;
1077 struct iwl4965_chain_noise_data chain_noise_data
;
1079 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
1080 #endif /*CONFIG_IWL4965_SENSITIVITY*/
1082 #ifdef CONFIG_IWL4965_HT
1083 struct iwl_ht_info current_ht_config
;
1085 u8 last_phy_res
[100];
1087 /* Rate scaling data */
1088 struct iwl4965_lq_mngr lq_mngr
;
1090 /* Rate scaling data */
1091 s8 data_retry_limit
;
1094 wait_queue_head_t wait_command_queue
;
1096 int activity_timer_active
;
1098 /* Rx and Tx DMA processing queues */
1099 struct iwl4965_rx_queue rxq
;
1100 struct iwl4965_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
1101 unsigned long txq_ctx_active_msk
;
1102 struct iwl4965_kw kw
; /* keep warm address */
1103 u32 scd_base_addr
; /* scheduler sram base address */
1105 unsigned long status
;
1108 int last_rx_rssi
; /* From Rx packet statisitics */
1109 int last_rx_noise
; /* From beacon statistics */
1111 struct iwl4965_power_mgr power_data
;
1113 struct iwl4965_notif_statistics statistics
;
1114 unsigned long last_statistics_time
;
1116 /* context information */
1117 u8 essid
[IW_ESSID_MAX_SIZE
];
1125 u8 mac_addr
[ETH_ALEN
];
1127 /*station table variables */
1128 spinlock_t sta_lock
;
1130 struct iwl4965_station_entry stations
[IWL_STATION_COUNT
];
1132 /* Indication if ieee80211_ops->open has been called */
1135 u8 mac80211_registered
;
1138 u32 notif_missed_beacons
;
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
];
1153 struct iwl4965_eeprom eeprom
;
1157 struct sk_buff
*ibss_beacon
;
1159 /* Last Rx'd beacon timestamp */
1163 struct iwl4965_driver_hw_info hw_setting
;
1164 struct ieee80211_vif
*vif
;
1166 /* Current association information needed to configure the
1169 u16 assoc_capability
;
1172 #ifdef CONFIG_IWL4965_QOS
1173 struct iwl4965_qos_info qos_data
;
1174 #endif /*CONFIG_IWL4965_QOS */
1176 struct workqueue_struct
*workqueue
;
1178 struct work_struct up
;
1179 struct work_struct restart
;
1180 struct work_struct calibrated_work
;
1181 struct work_struct scan_completed
;
1182 struct work_struct rx_replenish
;
1183 struct work_struct rf_kill
;
1184 struct work_struct abort_scan
;
1185 struct work_struct update_link_led
;
1186 struct work_struct auth_work
;
1187 struct work_struct report_work
;
1188 struct work_struct request_scan
;
1189 struct work_struct beacon_update
;
1191 struct tasklet_struct irq_tasklet
;
1193 struct delayed_work init_alive_start
;
1194 struct delayed_work alive_start
;
1195 struct delayed_work activity_timer
;
1196 struct delayed_work thermal_periodic
;
1197 struct delayed_work gather_stats
;
1198 struct delayed_work scan_check
;
1199 struct delayed_work post_associate
;
1201 #define IWL_DEFAULT_TX_POWER 0x0F
1202 s8 user_txpower_limit
;
1203 s8 max_channel_txpower_limit
;
1209 #ifdef CONFIG_IWL4965_DEBUG
1210 /* debugging info */
1212 atomic_t restrict_refcnt
;
1215 struct work_struct txpower_work
;
1216 #ifdef CONFIG_IWL4965_SENSITIVITY
1217 struct work_struct sensitivity_work
;
1219 struct work_struct statistics_work
;
1220 struct timer_list statistics_periodic
;
1221 }; /*iwl4965_priv */
1223 static inline int iwl4965_is_associated(struct iwl4965_priv
*priv
)
1225 return (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1228 static inline int is_channel_valid(const struct iwl4965_channel_info
*ch_info
)
1230 if (ch_info
== NULL
)
1232 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1235 static inline int is_channel_narrow(const struct iwl4965_channel_info
*ch_info
)
1237 return (ch_info
->flags
& EEPROM_CHANNEL_NARROW
) ? 1 : 0;
1240 static inline int is_channel_radar(const struct iwl4965_channel_info
*ch_info
)
1242 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1245 static inline u8
is_channel_a_band(const struct iwl4965_channel_info
*ch_info
)
1247 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1250 static inline u8
is_channel_bg_band(const struct iwl4965_channel_info
*ch_info
)
1252 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1255 static inline int is_channel_passive(const struct iwl4965_channel_info
*ch
)
1257 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1260 static inline int is_channel_ibss(const struct iwl4965_channel_info
*ch
)
1262 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1265 extern const struct iwl4965_channel_info
*iwl4965_get_channel_info(
1266 const struct iwl4965_priv
*priv
, enum ieee80211_band band
, u16 channel
);
1268 /* Requires full declaration of iwl4965_priv before including */
1269 #include "iwl-4965-io.h"
1271 #endif /* __iwl4965_4965_h__ */