1 /******************************************************************************
3 * Copyright(c) 2003 - 2010 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 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
27 #include <linux/kernel.h>
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/pci.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/delay.h>
33 #include <linux/sched.h>
34 #include <linux/skbuff.h>
35 #include <linux/netdevice.h>
36 #include <linux/wireless.h>
37 #include <net/mac80211.h>
38 #include <linux/etherdevice.h>
39 #include <asm/unaligned.h>
41 #include "iwl-eeprom.h"
45 #include "iwl-helpers.h"
46 #include "iwl-agn-calib.h"
48 #include "iwl-agn-led.h"
50 #include "iwl-agn-debugfs.h"
51 #include "iwl-legacy.h"
53 static int iwl4965_send_tx_power(struct iwl_priv
*priv
);
54 static int iwl4965_hw_get_temperature(struct iwl_priv
*priv
);
56 /* Highest firmware API version supported */
57 #define IWL4965_UCODE_API_MAX 2
59 /* Lowest firmware API version supported */
60 #define IWL4965_UCODE_API_MIN 2
62 #define IWL4965_FW_PRE "iwlwifi-4965-"
63 #define _IWL4965_MODULE_FIRMWARE(api) IWL4965_FW_PRE #api ".ucode"
64 #define IWL4965_MODULE_FIRMWARE(api) _IWL4965_MODULE_FIRMWARE(api)
66 /* check contents of special bootstrap uCode SRAM */
67 static int iwl4965_verify_bsm(struct iwl_priv
*priv
)
69 __le32
*image
= priv
->ucode_boot
.v_addr
;
70 u32 len
= priv
->ucode_boot
.len
;
74 IWL_DEBUG_INFO(priv
, "Begin verify bsm\n");
76 /* verify BSM SRAM contents */
77 val
= iwl_read_prph(priv
, BSM_WR_DWCOUNT_REG
);
78 for (reg
= BSM_SRAM_LOWER_BOUND
;
79 reg
< BSM_SRAM_LOWER_BOUND
+ len
;
80 reg
+= sizeof(u32
), image
++) {
81 val
= iwl_read_prph(priv
, reg
);
82 if (val
!= le32_to_cpu(*image
)) {
83 IWL_ERR(priv
, "BSM uCode verification failed at "
84 "addr 0x%08X+%u (of %u), is 0x%x, s/b 0x%x\n",
86 reg
- BSM_SRAM_LOWER_BOUND
, len
,
87 val
, le32_to_cpu(*image
));
92 IWL_DEBUG_INFO(priv
, "BSM bootstrap uCode image OK\n");
98 * iwl4965_load_bsm - Load bootstrap instructions
102 * The Bootstrap State Machine (BSM) stores a short bootstrap uCode program
103 * in special SRAM that does not power down during RFKILL. When powering back
104 * up after power-saving sleeps (or during initial uCode load), the BSM loads
105 * the bootstrap program into the on-board processor, and starts it.
107 * The bootstrap program loads (via DMA) instructions and data for a new
108 * program from host DRAM locations indicated by the host driver in the
109 * BSM_DRAM_* registers. Once the new program is loaded, it starts
112 * When initializing the NIC, the host driver points the BSM to the
113 * "initialize" uCode image. This uCode sets up some internal data, then
114 * notifies host via "initialize alive" that it is complete.
116 * The host then replaces the BSM_DRAM_* pointer values to point to the
117 * normal runtime uCode instructions and a backup uCode data cache buffer
118 * (filled initially with starting data values for the on-board processor),
119 * then triggers the "initialize" uCode to load and launch the runtime uCode,
120 * which begins normal operation.
122 * When doing a power-save shutdown, runtime uCode saves data SRAM into
123 * the backup data cache in DRAM before SRAM is powered down.
125 * When powering back up, the BSM loads the bootstrap program. This reloads
126 * the runtime uCode instructions and the backup data cache into SRAM,
127 * and re-launches the runtime uCode from where it left off.
129 static int iwl4965_load_bsm(struct iwl_priv
*priv
)
131 __le32
*image
= priv
->ucode_boot
.v_addr
;
132 u32 len
= priv
->ucode_boot
.len
;
142 IWL_DEBUG_INFO(priv
, "Begin load bsm\n");
144 priv
->ucode_type
= UCODE_RT
;
146 /* make sure bootstrap program is no larger than BSM's SRAM size */
147 if (len
> IWL49_MAX_BSM_SIZE
)
150 /* Tell bootstrap uCode where to find the "Initialize" uCode
151 * in host DRAM ... host DRAM physical address bits 35:4 for 4965.
152 * NOTE: iwl_init_alive_start() will replace these values,
153 * after the "initialize" uCode has run, to point to
154 * runtime/protocol instructions and backup data cache.
156 pinst
= priv
->ucode_init
.p_addr
>> 4;
157 pdata
= priv
->ucode_init_data
.p_addr
>> 4;
158 inst_len
= priv
->ucode_init
.len
;
159 data_len
= priv
->ucode_init_data
.len
;
161 iwl_write_prph(priv
, BSM_DRAM_INST_PTR_REG
, pinst
);
162 iwl_write_prph(priv
, BSM_DRAM_DATA_PTR_REG
, pdata
);
163 iwl_write_prph(priv
, BSM_DRAM_INST_BYTECOUNT_REG
, inst_len
);
164 iwl_write_prph(priv
, BSM_DRAM_DATA_BYTECOUNT_REG
, data_len
);
166 /* Fill BSM memory with bootstrap instructions */
167 for (reg_offset
= BSM_SRAM_LOWER_BOUND
;
168 reg_offset
< BSM_SRAM_LOWER_BOUND
+ len
;
169 reg_offset
+= sizeof(u32
), image
++)
170 _iwl_write_prph(priv
, reg_offset
, le32_to_cpu(*image
));
172 ret
= iwl4965_verify_bsm(priv
);
176 /* Tell BSM to copy from BSM SRAM into instruction SRAM, when asked */
177 iwl_write_prph(priv
, BSM_WR_MEM_SRC_REG
, 0x0);
178 iwl_write_prph(priv
, BSM_WR_MEM_DST_REG
, IWL49_RTC_INST_LOWER_BOUND
);
179 iwl_write_prph(priv
, BSM_WR_DWCOUNT_REG
, len
/ sizeof(u32
));
181 /* Load bootstrap code into instruction SRAM now,
182 * to prepare to load "initialize" uCode */
183 iwl_write_prph(priv
, BSM_WR_CTRL_REG
, BSM_WR_CTRL_REG_BIT_START
);
185 /* Wait for load of bootstrap uCode to finish */
186 for (i
= 0; i
< 100; i
++) {
187 done
= iwl_read_prph(priv
, BSM_WR_CTRL_REG
);
188 if (!(done
& BSM_WR_CTRL_REG_BIT_START
))
193 IWL_DEBUG_INFO(priv
, "BSM write complete, poll %d iterations\n", i
);
195 IWL_ERR(priv
, "BSM write did not complete!\n");
199 /* Enable future boot loads whenever power management unit triggers it
200 * (e.g. when powering back up after power-save shutdown) */
201 iwl_write_prph(priv
, BSM_WR_CTRL_REG
, BSM_WR_CTRL_REG_BIT_START_EN
);
208 * iwl4965_set_ucode_ptrs - Set uCode address location
210 * Tell initialization uCode where to find runtime uCode.
212 * BSM registers initially contain pointers to initialization uCode.
213 * We need to replace them to load runtime uCode inst and data,
214 * and to save runtime data when powering down.
216 static int iwl4965_set_ucode_ptrs(struct iwl_priv
*priv
)
222 /* bits 35:4 for 4965 */
223 pinst
= priv
->ucode_code
.p_addr
>> 4;
224 pdata
= priv
->ucode_data_backup
.p_addr
>> 4;
226 /* Tell bootstrap uCode where to find image to load */
227 iwl_write_prph(priv
, BSM_DRAM_INST_PTR_REG
, pinst
);
228 iwl_write_prph(priv
, BSM_DRAM_DATA_PTR_REG
, pdata
);
229 iwl_write_prph(priv
, BSM_DRAM_DATA_BYTECOUNT_REG
,
230 priv
->ucode_data
.len
);
232 /* Inst byte count must be last to set up, bit 31 signals uCode
233 * that all new ptr/size info is in place */
234 iwl_write_prph(priv
, BSM_DRAM_INST_BYTECOUNT_REG
,
235 priv
->ucode_code
.len
| BSM_DRAM_INST_LOAD
);
236 IWL_DEBUG_INFO(priv
, "Runtime uCode pointers are set.\n");
242 * iwl4965_init_alive_start - Called after REPLY_ALIVE notification received
244 * Called after REPLY_ALIVE notification received from "initialize" uCode.
246 * The 4965 "initialize" ALIVE reply contains calibration data for:
247 * Voltage, temperature, and MIMO tx gain correction, now stored in priv
248 * (3945 does not contain this data).
250 * Tell "initialize" uCode to go ahead and load the runtime uCode.
252 static void iwl4965_init_alive_start(struct iwl_priv
*priv
)
254 /* Check alive response for "valid" sign from uCode */
255 if (priv
->card_alive_init
.is_valid
!= UCODE_VALID_OK
) {
256 /* We had an error bringing up the hardware, so take it
257 * all the way back down so we can try again */
258 IWL_DEBUG_INFO(priv
, "Initialize Alive failed.\n");
262 /* Bootstrap uCode has loaded initialize uCode ... verify inst image.
263 * This is a paranoid check, because we would not have gotten the
264 * "initialize" alive if code weren't properly loaded. */
265 if (iwl_verify_ucode(priv
)) {
266 /* Runtime instruction load was bad;
267 * take it all the way back down so we can try again */
268 IWL_DEBUG_INFO(priv
, "Bad \"initialize\" uCode load.\n");
272 /* Calculate temperature */
273 priv
->temperature
= iwl4965_hw_get_temperature(priv
);
275 /* Send pointers to protocol/runtime uCode image ... init code will
276 * load and launch runtime uCode, which will send us another "Alive"
278 IWL_DEBUG_INFO(priv
, "Initialization Alive received.\n");
279 if (iwl4965_set_ucode_ptrs(priv
)) {
280 /* Runtime instruction load won't happen;
281 * take it all the way back down so we can try again */
282 IWL_DEBUG_INFO(priv
, "Couldn't set up uCode pointers.\n");
288 queue_work(priv
->workqueue
, &priv
->restart
);
291 static bool is_ht40_channel(__le32 rxon_flags
)
293 int chan_mod
= le32_to_cpu(rxon_flags
& RXON_FLG_CHANNEL_MODE_MSK
)
294 >> RXON_FLG_CHANNEL_MODE_POS
;
295 return ((chan_mod
== CHANNEL_MODE_PURE_40
) ||
296 (chan_mod
== CHANNEL_MODE_MIXED
));
302 static u16
iwl4965_eeprom_calib_version(struct iwl_priv
*priv
)
304 return iwl_eeprom_query16(priv
, EEPROM_4965_CALIB_VERSION_OFFSET
);
308 * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
309 * must be called under priv->lock and mac access
311 static void iwl4965_txq_set_sched(struct iwl_priv
*priv
, u32 mask
)
313 iwl_write_prph(priv
, IWL49_SCD_TXFACT
, mask
);
316 static void iwl4965_nic_config(struct iwl_priv
*priv
)
321 spin_lock_irqsave(&priv
->lock
, flags
);
323 radio_cfg
= iwl_eeprom_query16(priv
, EEPROM_RADIO_CONFIG
);
325 /* write radio config values to register */
326 if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) == EEPROM_4965_RF_CFG_TYPE_MAX
)
327 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
328 EEPROM_RF_CFG_TYPE_MSK(radio_cfg
) |
329 EEPROM_RF_CFG_STEP_MSK(radio_cfg
) |
330 EEPROM_RF_CFG_DASH_MSK(radio_cfg
));
332 /* set CSR_HW_CONFIG_REG for uCode use */
333 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
334 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
335 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
);
337 priv
->calib_info
= (struct iwl_eeprom_calib_info
*)
338 iwl_eeprom_query_addr(priv
, EEPROM_4965_CALIB_TXPOWER_OFFSET
);
340 spin_unlock_irqrestore(&priv
->lock
, flags
);
343 /* Reset differential Rx gains in NIC to prepare for chain noise calibration.
344 * Called after every association, but this runs only once!
345 * ... once chain noise is calibrated the first time, it's good forever. */
346 static void iwl4965_chain_noise_reset(struct iwl_priv
*priv
)
348 struct iwl_chain_noise_data
*data
= &(priv
->chain_noise_data
);
350 if ((data
->state
== IWL_CHAIN_NOISE_ALIVE
) &&
351 iwl_is_any_associated(priv
)) {
352 struct iwl_calib_diff_gain_cmd cmd
;
354 /* clear data for chain noise calibration algorithm */
355 data
->chain_noise_a
= 0;
356 data
->chain_noise_b
= 0;
357 data
->chain_noise_c
= 0;
358 data
->chain_signal_a
= 0;
359 data
->chain_signal_b
= 0;
360 data
->chain_signal_c
= 0;
361 data
->beacon_count
= 0;
363 memset(&cmd
, 0, sizeof(cmd
));
364 cmd
.hdr
.op_code
= IWL_PHY_CALIBRATE_DIFF_GAIN_CMD
;
368 if (iwl_send_cmd_pdu(priv
, REPLY_PHY_CALIBRATION_CMD
,
371 "Could not send REPLY_PHY_CALIBRATION_CMD\n");
372 data
->state
= IWL_CHAIN_NOISE_ACCUMULATE
;
373 IWL_DEBUG_CALIB(priv
, "Run chain_noise_calibrate\n");
377 static void iwl4965_gain_computation(struct iwl_priv
*priv
,
379 u16 min_average_noise_antenna_i
,
380 u32 min_average_noise
,
384 struct iwl_chain_noise_data
*data
= &priv
->chain_noise_data
;
386 data
->delta_gain_code
[min_average_noise_antenna_i
] = 0;
388 for (i
= default_chain
; i
< NUM_RX_CHAINS
; i
++) {
391 if (!(data
->disconn_array
[i
]) &&
392 (data
->delta_gain_code
[i
] ==
393 CHAIN_NOISE_DELTA_GAIN_INIT_VAL
)) {
394 delta_g
= average_noise
[i
] - min_average_noise
;
395 data
->delta_gain_code
[i
] = (u8
)((delta_g
* 10) / 15);
396 data
->delta_gain_code
[i
] =
397 min(data
->delta_gain_code
[i
],
398 (u8
) CHAIN_NOISE_MAX_DELTA_GAIN_CODE
);
400 data
->delta_gain_code
[i
] =
401 (data
->delta_gain_code
[i
] | (1 << 2));
403 data
->delta_gain_code
[i
] = 0;
406 IWL_DEBUG_CALIB(priv
, "delta_gain_codes: a %d b %d c %d\n",
407 data
->delta_gain_code
[0],
408 data
->delta_gain_code
[1],
409 data
->delta_gain_code
[2]);
411 /* Differential gain gets sent to uCode only once */
412 if (!data
->radio_write
) {
413 struct iwl_calib_diff_gain_cmd cmd
;
414 data
->radio_write
= 1;
416 memset(&cmd
, 0, sizeof(cmd
));
417 cmd
.hdr
.op_code
= IWL_PHY_CALIBRATE_DIFF_GAIN_CMD
;
418 cmd
.diff_gain_a
= data
->delta_gain_code
[0];
419 cmd
.diff_gain_b
= data
->delta_gain_code
[1];
420 cmd
.diff_gain_c
= data
->delta_gain_code
[2];
421 ret
= iwl_send_cmd_pdu(priv
, REPLY_PHY_CALIBRATION_CMD
,
424 IWL_DEBUG_CALIB(priv
, "fail sending cmd "
425 "REPLY_PHY_CALIBRATION_CMD\n");
427 /* TODO we might want recalculate
428 * rx_chain in rxon cmd */
430 /* Mark so we run this algo only once! */
431 data
->state
= IWL_CHAIN_NOISE_CALIBRATED
;
435 static void iwl4965_bg_txpower_work(struct work_struct
*work
)
437 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
,
440 /* If a scan happened to start before we got here
441 * then just return; the statistics notification will
442 * kick off another scheduled work to compensate for
443 * any temperature delta we missed here. */
444 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
) ||
445 test_bit(STATUS_SCANNING
, &priv
->status
))
448 mutex_lock(&priv
->mutex
);
450 /* Regardless of if we are associated, we must reconfigure the
451 * TX power since frames can be sent on non-radar channels while
453 iwl4965_send_tx_power(priv
);
455 /* Update last_temperature to keep is_calib_needed from running
456 * when it isn't needed... */
457 priv
->last_temperature
= priv
->temperature
;
459 mutex_unlock(&priv
->mutex
);
463 * Acquire priv->lock before calling this function !
465 static void iwl4965_set_wr_ptrs(struct iwl_priv
*priv
, int txq_id
, u32 index
)
467 iwl_write_direct32(priv
, HBUS_TARG_WRPTR
,
468 (index
& 0xff) | (txq_id
<< 8));
469 iwl_write_prph(priv
, IWL49_SCD_QUEUE_RDPTR(txq_id
), index
);
473 * iwl4965_tx_queue_set_status - (optionally) start Tx/Cmd queue
474 * @tx_fifo_id: Tx DMA/FIFO channel (range 0-7) that the queue will feed
475 * @scd_retry: (1) Indicates queue will be used in aggregation mode
477 * NOTE: Acquire priv->lock before calling this function !
479 static void iwl4965_tx_queue_set_status(struct iwl_priv
*priv
,
480 struct iwl_tx_queue
*txq
,
481 int tx_fifo_id
, int scd_retry
)
483 int txq_id
= txq
->q
.id
;
485 /* Find out whether to activate Tx queue */
486 int active
= test_bit(txq_id
, &priv
->txq_ctx_active_msk
) ? 1 : 0;
488 /* Set up and activate */
489 iwl_write_prph(priv
, IWL49_SCD_QUEUE_STATUS_BITS(txq_id
),
490 (active
<< IWL49_SCD_QUEUE_STTS_REG_POS_ACTIVE
) |
491 (tx_fifo_id
<< IWL49_SCD_QUEUE_STTS_REG_POS_TXF
) |
492 (scd_retry
<< IWL49_SCD_QUEUE_STTS_REG_POS_WSL
) |
493 (scd_retry
<< IWL49_SCD_QUEUE_STTS_REG_POS_SCD_ACK
) |
494 IWL49_SCD_QUEUE_STTS_REG_MSK
);
496 txq
->sched_retry
= scd_retry
;
498 IWL_DEBUG_INFO(priv
, "%s %s Queue %d on AC %d\n",
499 active
? "Activate" : "Deactivate",
500 scd_retry
? "BA" : "AC", txq_id
, tx_fifo_id
);
503 static const s8 default_queue_to_tx_fifo
[] = {
513 static int iwl4965_alive_notify(struct iwl_priv
*priv
)
520 spin_lock_irqsave(&priv
->lock
, flags
);
522 /* Clear 4965's internal Tx Scheduler data base */
523 priv
->scd_base_addr
= iwl_read_prph(priv
, IWL49_SCD_SRAM_BASE_ADDR
);
524 a
= priv
->scd_base_addr
+ IWL49_SCD_CONTEXT_DATA_OFFSET
;
525 for (; a
< priv
->scd_base_addr
+ IWL49_SCD_TX_STTS_BITMAP_OFFSET
; a
+= 4)
526 iwl_write_targ_mem(priv
, a
, 0);
527 for (; a
< priv
->scd_base_addr
+ IWL49_SCD_TRANSLATE_TBL_OFFSET
; a
+= 4)
528 iwl_write_targ_mem(priv
, a
, 0);
529 for (; a
< priv
->scd_base_addr
+
530 IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(priv
->hw_params
.max_txq_num
); a
+= 4)
531 iwl_write_targ_mem(priv
, a
, 0);
533 /* Tel 4965 where to find Tx byte count tables */
534 iwl_write_prph(priv
, IWL49_SCD_DRAM_BASE_ADDR
,
535 priv
->scd_bc_tbls
.dma
>> 10);
537 /* Enable DMA channel */
538 for (chan
= 0; chan
< FH49_TCSR_CHNL_NUM
; chan
++)
539 iwl_write_direct32(priv
, FH_TCSR_CHNL_TX_CONFIG_REG(chan
),
540 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE
|
541 FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE
);
543 /* Update FH chicken bits */
544 reg_val
= iwl_read_direct32(priv
, FH_TX_CHICKEN_BITS_REG
);
545 iwl_write_direct32(priv
, FH_TX_CHICKEN_BITS_REG
,
546 reg_val
| FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN
);
548 /* Disable chain mode for all queues */
549 iwl_write_prph(priv
, IWL49_SCD_QUEUECHAIN_SEL
, 0);
551 /* Initialize each Tx queue (including the command queue) */
552 for (i
= 0; i
< priv
->hw_params
.max_txq_num
; i
++) {
554 /* TFD circular buffer read/write indexes */
555 iwl_write_prph(priv
, IWL49_SCD_QUEUE_RDPTR(i
), 0);
556 iwl_write_direct32(priv
, HBUS_TARG_WRPTR
, 0 | (i
<< 8));
558 /* Max Tx Window size for Scheduler-ACK mode */
559 iwl_write_targ_mem(priv
, priv
->scd_base_addr
+
560 IWL49_SCD_CONTEXT_QUEUE_OFFSET(i
),
562 IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_POS
) &
563 IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK
);
566 iwl_write_targ_mem(priv
, priv
->scd_base_addr
+
567 IWL49_SCD_CONTEXT_QUEUE_OFFSET(i
) +
570 IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS
) &
571 IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK
);
574 iwl_write_prph(priv
, IWL49_SCD_INTERRUPT_MASK
,
575 (1 << priv
->hw_params
.max_txq_num
) - 1);
577 /* Activate all Tx DMA/FIFO channels */
578 priv
->cfg
->ops
->lib
->txq_set_sched(priv
, IWL_MASK(0, 6));
580 iwl4965_set_wr_ptrs(priv
, IWL_DEFAULT_CMD_QUEUE_NUM
, 0);
582 /* make sure all queue are not stopped */
583 memset(&priv
->queue_stopped
[0], 0, sizeof(priv
->queue_stopped
));
584 for (i
= 0; i
< 4; i
++)
585 atomic_set(&priv
->queue_stop_count
[i
], 0);
587 /* reset to 0 to enable all the queue first */
588 priv
->txq_ctx_active_msk
= 0;
589 /* Map each Tx/cmd queue to its corresponding fifo */
590 BUILD_BUG_ON(ARRAY_SIZE(default_queue_to_tx_fifo
) != 7);
592 for (i
= 0; i
< ARRAY_SIZE(default_queue_to_tx_fifo
); i
++) {
593 int ac
= default_queue_to_tx_fifo
[i
];
595 iwl_txq_ctx_activate(priv
, i
);
597 if (ac
== IWL_TX_FIFO_UNUSED
)
600 iwl4965_tx_queue_set_status(priv
, &priv
->txq
[i
], ac
, 0);
603 spin_unlock_irqrestore(&priv
->lock
, flags
);
608 static struct iwl_sensitivity_ranges iwl4965_sensitivity
= {
610 .max_nrg_cck
= 0, /* not used, set to 0 */
612 .auto_corr_min_ofdm
= 85,
613 .auto_corr_min_ofdm_mrc
= 170,
614 .auto_corr_min_ofdm_x1
= 105,
615 .auto_corr_min_ofdm_mrc_x1
= 220,
617 .auto_corr_max_ofdm
= 120,
618 .auto_corr_max_ofdm_mrc
= 210,
619 .auto_corr_max_ofdm_x1
= 140,
620 .auto_corr_max_ofdm_mrc_x1
= 270,
622 .auto_corr_min_cck
= 125,
623 .auto_corr_max_cck
= 200,
624 .auto_corr_min_cck_mrc
= 200,
625 .auto_corr_max_cck_mrc
= 400,
630 .barker_corr_th_min
= 190,
631 .barker_corr_th_min_mrc
= 390,
635 static void iwl4965_set_ct_threshold(struct iwl_priv
*priv
)
638 priv
->hw_params
.ct_kill_threshold
=
639 CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY
);
643 * iwl4965_hw_set_hw_params
645 * Called when initializing driver
647 static int iwl4965_hw_set_hw_params(struct iwl_priv
*priv
)
649 if (priv
->cfg
->mod_params
->num_of_queues
>= IWL_MIN_NUM_QUEUES
&&
650 priv
->cfg
->mod_params
->num_of_queues
<= IWL49_NUM_QUEUES
)
651 priv
->cfg
->base_params
->num_of_queues
=
652 priv
->cfg
->mod_params
->num_of_queues
;
654 priv
->hw_params
.max_txq_num
= priv
->cfg
->base_params
->num_of_queues
;
655 priv
->hw_params
.dma_chnl_num
= FH49_TCSR_CHNL_NUM
;
656 priv
->hw_params
.scd_bc_tbls_size
=
657 priv
->cfg
->base_params
->num_of_queues
*
658 sizeof(struct iwl4965_scd_bc_tbl
);
659 priv
->hw_params
.tfd_size
= sizeof(struct iwl_tfd
);
660 priv
->hw_params
.max_stations
= IWL4965_STATION_COUNT
;
661 priv
->contexts
[IWL_RXON_CTX_BSS
].bcast_sta_id
= IWL4965_BROADCAST_ID
;
662 priv
->hw_params
.max_data_size
= IWL49_RTC_DATA_SIZE
;
663 priv
->hw_params
.max_inst_size
= IWL49_RTC_INST_SIZE
;
664 priv
->hw_params
.max_bsm_size
= BSM_SRAM_SIZE
;
665 priv
->hw_params
.ht40_channel
= BIT(IEEE80211_BAND_5GHZ
);
667 priv
->hw_params
.rx_wrt_ptr_reg
= FH_RSCSR_CHNL0_WPTR
;
669 priv
->hw_params
.tx_chains_num
= num_of_ant(priv
->cfg
->valid_tx_ant
);
670 priv
->hw_params
.rx_chains_num
= num_of_ant(priv
->cfg
->valid_rx_ant
);
671 priv
->hw_params
.valid_tx_ant
= priv
->cfg
->valid_tx_ant
;
672 priv
->hw_params
.valid_rx_ant
= priv
->cfg
->valid_rx_ant
;
674 iwl4965_set_ct_threshold(priv
);
676 priv
->hw_params
.sens
= &iwl4965_sensitivity
;
677 priv
->hw_params
.beacon_time_tsf_bits
= IWLAGN_EXT_BEACON_TIME_POS
;
682 static s32
iwl4965_math_div_round(s32 num
, s32 denom
, s32
*res
)
695 *res
= ((num
* 2 + denom
) / (denom
* 2)) * sign
;
701 * iwl4965_get_voltage_compensation - Power supply voltage comp for txpower
703 * Determines power supply voltage compensation for txpower calculations.
704 * Returns number of 1/2-dB steps to subtract from gain table index,
705 * to compensate for difference between power supply voltage during
706 * factory measurements, vs. current power supply voltage.
708 * Voltage indication is higher for lower voltage.
709 * Lower voltage requires more gain (lower gain table index).
711 static s32
iwl4965_get_voltage_compensation(s32 eeprom_voltage
,
716 if ((TX_POWER_IWL_ILLEGAL_VOLTAGE
== eeprom_voltage
) ||
717 (TX_POWER_IWL_ILLEGAL_VOLTAGE
== current_voltage
))
720 iwl4965_math_div_round(current_voltage
- eeprom_voltage
,
721 TX_POWER_IWL_VOLTAGE_CODES_PER_03V
, &comp
);
723 if (current_voltage
> eeprom_voltage
)
725 if ((comp
< -2) || (comp
> 2))
731 static s32
iwl4965_get_tx_atten_grp(u16 channel
)
733 if (channel
>= CALIB_IWL_TX_ATTEN_GR5_FCH
&&
734 channel
<= CALIB_IWL_TX_ATTEN_GR5_LCH
)
735 return CALIB_CH_GROUP_5
;
737 if (channel
>= CALIB_IWL_TX_ATTEN_GR1_FCH
&&
738 channel
<= CALIB_IWL_TX_ATTEN_GR1_LCH
)
739 return CALIB_CH_GROUP_1
;
741 if (channel
>= CALIB_IWL_TX_ATTEN_GR2_FCH
&&
742 channel
<= CALIB_IWL_TX_ATTEN_GR2_LCH
)
743 return CALIB_CH_GROUP_2
;
745 if (channel
>= CALIB_IWL_TX_ATTEN_GR3_FCH
&&
746 channel
<= CALIB_IWL_TX_ATTEN_GR3_LCH
)
747 return CALIB_CH_GROUP_3
;
749 if (channel
>= CALIB_IWL_TX_ATTEN_GR4_FCH
&&
750 channel
<= CALIB_IWL_TX_ATTEN_GR4_LCH
)
751 return CALIB_CH_GROUP_4
;
756 static u32
iwl4965_get_sub_band(const struct iwl_priv
*priv
, u32 channel
)
760 for (b
= 0; b
< EEPROM_TX_POWER_BANDS
; b
++) {
761 if (priv
->calib_info
->band_info
[b
].ch_from
== 0)
764 if ((channel
>= priv
->calib_info
->band_info
[b
].ch_from
)
765 && (channel
<= priv
->calib_info
->band_info
[b
].ch_to
))
772 static s32
iwl4965_interpolate_value(s32 x
, s32 x1
, s32 y1
, s32 x2
, s32 y2
)
779 iwl4965_math_div_round((x2
- x
) * (y1
- y2
), (x2
- x1
), &val
);
785 * iwl4965_interpolate_chan - Interpolate factory measurements for one channel
787 * Interpolates factory measurements from the two sample channels within a
788 * sub-band, to apply to channel of interest. Interpolation is proportional to
789 * differences in channel frequencies, which is proportional to differences
792 static int iwl4965_interpolate_chan(struct iwl_priv
*priv
, u32 channel
,
793 struct iwl_eeprom_calib_ch_info
*chan_info
)
798 const struct iwl_eeprom_calib_measure
*m1
;
799 const struct iwl_eeprom_calib_measure
*m2
;
800 struct iwl_eeprom_calib_measure
*omeas
;
804 s
= iwl4965_get_sub_band(priv
, channel
);
805 if (s
>= EEPROM_TX_POWER_BANDS
) {
806 IWL_ERR(priv
, "Tx Power can not find channel %d\n", channel
);
810 ch_i1
= priv
->calib_info
->band_info
[s
].ch1
.ch_num
;
811 ch_i2
= priv
->calib_info
->band_info
[s
].ch2
.ch_num
;
812 chan_info
->ch_num
= (u8
) channel
;
814 IWL_DEBUG_TXPOWER(priv
, "channel %d subband %d factory cal ch %d & %d\n",
815 channel
, s
, ch_i1
, ch_i2
);
817 for (c
= 0; c
< EEPROM_TX_POWER_TX_CHAINS
; c
++) {
818 for (m
= 0; m
< EEPROM_TX_POWER_MEASUREMENTS
; m
++) {
819 m1
= &(priv
->calib_info
->band_info
[s
].ch1
.
821 m2
= &(priv
->calib_info
->band_info
[s
].ch2
.
823 omeas
= &(chan_info
->measurements
[c
][m
]);
826 (u8
) iwl4965_interpolate_value(channel
, ch_i1
,
831 (u8
) iwl4965_interpolate_value(channel
, ch_i1
,
835 (u8
) iwl4965_interpolate_value(channel
, ch_i1
,
840 (s8
) iwl4965_interpolate_value(channel
, ch_i1
,
844 IWL_DEBUG_TXPOWER(priv
,
845 "chain %d meas %d AP1=%d AP2=%d AP=%d\n", c
, m
,
846 m1
->actual_pow
, m2
->actual_pow
, omeas
->actual_pow
);
847 IWL_DEBUG_TXPOWER(priv
,
848 "chain %d meas %d NI1=%d NI2=%d NI=%d\n", c
, m
,
849 m1
->gain_idx
, m2
->gain_idx
, omeas
->gain_idx
);
850 IWL_DEBUG_TXPOWER(priv
,
851 "chain %d meas %d PA1=%d PA2=%d PA=%d\n", c
, m
,
852 m1
->pa_det
, m2
->pa_det
, omeas
->pa_det
);
853 IWL_DEBUG_TXPOWER(priv
,
854 "chain %d meas %d T1=%d T2=%d T=%d\n", c
, m
,
855 m1
->temperature
, m2
->temperature
,
863 /* bit-rate-dependent table to prevent Tx distortion, in half-dB units,
864 * for OFDM 6, 12, 18, 24, 36, 48, 54, 60 MBit, and CCK all rates. */
865 static s32 back_off_table
[] = {
866 10, 10, 10, 10, 10, 15, 17, 20, /* OFDM SISO 20 MHz */
867 10, 10, 10, 10, 10, 15, 17, 20, /* OFDM MIMO 20 MHz */
868 10, 10, 10, 10, 10, 15, 17, 20, /* OFDM SISO 40 MHz */
869 10, 10, 10, 10, 10, 15, 17, 20, /* OFDM MIMO 40 MHz */
873 /* Thermal compensation values for txpower for various frequency ranges ...
874 * ratios from 3:1 to 4.5:1 of degrees (Celsius) per half-dB gain adjust */
875 static struct iwl4965_txpower_comp_entry
{
876 s32 degrees_per_05db_a
;
877 s32 degrees_per_05db_a_denom
;
878 } tx_power_cmp_tble
[CALIB_CH_GROUP_MAX
] = {
879 {9, 2}, /* group 0 5.2, ch 34-43 */
880 {4, 1}, /* group 1 5.2, ch 44-70 */
881 {4, 1}, /* group 2 5.2, ch 71-124 */
882 {4, 1}, /* group 3 5.2, ch 125-200 */
883 {3, 1} /* group 4 2.4, ch all */
886 static s32
get_min_power_index(s32 rate_power_index
, u32 band
)
889 if ((rate_power_index
& 7) <= 4)
890 return MIN_TX_GAIN_INDEX_52GHZ_EXT
;
892 return MIN_TX_GAIN_INDEX
;
900 static const struct gain_entry gain_table
[2][108] = {
901 /* 5.2GHz power gain index table */
903 {123, 0x3F}, /* highest txpower */
1012 /* 2.4GHz power gain index table */
1014 {110, 0x3f}, /* highest txpower */
1125 static int iwl4965_fill_txpower_tbl(struct iwl_priv
*priv
, u8 band
, u16 channel
,
1126 u8 is_ht40
, u8 ctrl_chan_high
,
1127 struct iwl4965_tx_power_db
*tx_power_tbl
)
1129 u8 saturation_power
;
1131 s32 user_target_power
;
1135 s32 current_regulatory
;
1136 s32 txatten_grp
= CALIB_CH_GROUP_MAX
;
1139 const struct iwl_channel_info
*ch_info
= NULL
;
1140 struct iwl_eeprom_calib_ch_info ch_eeprom_info
;
1141 const struct iwl_eeprom_calib_measure
*measurement
;
1144 s32 voltage_compensation
;
1145 s32 degrees_per_05db_num
;
1146 s32 degrees_per_05db_denom
;
1148 s32 temperature_comp
[2];
1149 s32 factory_gain_index
[2];
1150 s32 factory_actual_pwr
[2];
1153 /* tx_power_user_lmt is in dBm, convert to half-dBm (half-dB units
1154 * are used for indexing into txpower table) */
1155 user_target_power
= 2 * priv
->tx_power_user_lmt
;
1157 /* Get current (RXON) channel, band, width */
1158 IWL_DEBUG_TXPOWER(priv
, "chan %d band %d is_ht40 %d\n", channel
, band
,
1161 ch_info
= iwl_get_channel_info(priv
, priv
->band
, channel
);
1163 if (!is_channel_valid(ch_info
))
1166 /* get txatten group, used to select 1) thermal txpower adjustment
1167 * and 2) mimo txpower balance between Tx chains. */
1168 txatten_grp
= iwl4965_get_tx_atten_grp(channel
);
1169 if (txatten_grp
< 0) {
1170 IWL_ERR(priv
, "Can't find txatten group for channel %d.\n",
1175 IWL_DEBUG_TXPOWER(priv
, "channel %d belongs to txatten group %d\n",
1176 channel
, txatten_grp
);
1185 /* hardware txpower limits ...
1186 * saturation (clipping distortion) txpowers are in half-dBm */
1188 saturation_power
= priv
->calib_info
->saturation_power24
;
1190 saturation_power
= priv
->calib_info
->saturation_power52
;
1192 if (saturation_power
< IWL_TX_POWER_SATURATION_MIN
||
1193 saturation_power
> IWL_TX_POWER_SATURATION_MAX
) {
1195 saturation_power
= IWL_TX_POWER_DEFAULT_SATURATION_24
;
1197 saturation_power
= IWL_TX_POWER_DEFAULT_SATURATION_52
;
1200 /* regulatory txpower limits ... reg_limit values are in half-dBm,
1201 * max_power_avg values are in dBm, convert * 2 */
1203 reg_limit
= ch_info
->ht40_max_power_avg
* 2;
1205 reg_limit
= ch_info
->max_power_avg
* 2;
1207 if ((reg_limit
< IWL_TX_POWER_REGULATORY_MIN
) ||
1208 (reg_limit
> IWL_TX_POWER_REGULATORY_MAX
)) {
1210 reg_limit
= IWL_TX_POWER_DEFAULT_REGULATORY_24
;
1212 reg_limit
= IWL_TX_POWER_DEFAULT_REGULATORY_52
;
1215 /* Interpolate txpower calibration values for this channel,
1216 * based on factory calibration tests on spaced channels. */
1217 iwl4965_interpolate_chan(priv
, channel
, &ch_eeprom_info
);
1219 /* calculate tx gain adjustment based on power supply voltage */
1220 voltage
= le16_to_cpu(priv
->calib_info
->voltage
);
1221 init_voltage
= (s32
)le32_to_cpu(priv
->card_alive_init
.voltage
);
1222 voltage_compensation
=
1223 iwl4965_get_voltage_compensation(voltage
, init_voltage
);
1225 IWL_DEBUG_TXPOWER(priv
, "curr volt %d eeprom volt %d volt comp %d\n",
1227 voltage
, voltage_compensation
);
1229 /* get current temperature (Celsius) */
1230 current_temp
= max(priv
->temperature
, IWL_TX_POWER_TEMPERATURE_MIN
);
1231 current_temp
= min(priv
->temperature
, IWL_TX_POWER_TEMPERATURE_MAX
);
1232 current_temp
= KELVIN_TO_CELSIUS(current_temp
);
1234 /* select thermal txpower adjustment params, based on channel group
1235 * (same frequency group used for mimo txatten adjustment) */
1236 degrees_per_05db_num
=
1237 tx_power_cmp_tble
[txatten_grp
].degrees_per_05db_a
;
1238 degrees_per_05db_denom
=
1239 tx_power_cmp_tble
[txatten_grp
].degrees_per_05db_a_denom
;
1241 /* get per-chain txpower values from factory measurements */
1242 for (c
= 0; c
< 2; c
++) {
1243 measurement
= &ch_eeprom_info
.measurements
[c
][1];
1245 /* txgain adjustment (in half-dB steps) based on difference
1246 * between factory and current temperature */
1247 factory_temp
= measurement
->temperature
;
1248 iwl4965_math_div_round((current_temp
- factory_temp
) *
1249 degrees_per_05db_denom
,
1250 degrees_per_05db_num
,
1251 &temperature_comp
[c
]);
1253 factory_gain_index
[c
] = measurement
->gain_idx
;
1254 factory_actual_pwr
[c
] = measurement
->actual_pow
;
1256 IWL_DEBUG_TXPOWER(priv
, "chain = %d\n", c
);
1257 IWL_DEBUG_TXPOWER(priv
, "fctry tmp %d, "
1258 "curr tmp %d, comp %d steps\n",
1259 factory_temp
, current_temp
,
1260 temperature_comp
[c
]);
1262 IWL_DEBUG_TXPOWER(priv
, "fctry idx %d, fctry pwr %d\n",
1263 factory_gain_index
[c
],
1264 factory_actual_pwr
[c
]);
1267 /* for each of 33 bit-rates (including 1 for CCK) */
1268 for (i
= 0; i
< POWER_TABLE_NUM_ENTRIES
; i
++) {
1270 union iwl4965_tx_power_dual_stream tx_power
;
1272 /* for mimo, reduce each chain's txpower by half
1273 * (3dB, 6 steps), so total output power is regulatory
1276 current_regulatory
= reg_limit
-
1277 IWL_TX_POWER_MIMO_REGULATORY_COMPENSATION
;
1280 current_regulatory
= reg_limit
;
1284 /* find txpower limit, either hardware or regulatory */
1285 power_limit
= saturation_power
- back_off_table
[i
];
1286 if (power_limit
> current_regulatory
)
1287 power_limit
= current_regulatory
;
1289 /* reduce user's txpower request if necessary
1290 * for this rate on this channel */
1291 target_power
= user_target_power
;
1292 if (target_power
> power_limit
)
1293 target_power
= power_limit
;
1295 IWL_DEBUG_TXPOWER(priv
, "rate %d sat %d reg %d usr %d tgt %d\n",
1296 i
, saturation_power
- back_off_table
[i
],
1297 current_regulatory
, user_target_power
,
1300 /* for each of 2 Tx chains (radio transmitters) */
1301 for (c
= 0; c
< 2; c
++) {
1306 (s32
)le32_to_cpu(priv
->card_alive_init
.
1307 tx_atten
[txatten_grp
][c
]);
1311 /* calculate index; higher index means lower txpower */
1312 power_index
= (u8
) (factory_gain_index
[c
] -
1314 factory_actual_pwr
[c
]) -
1315 temperature_comp
[c
] -
1316 voltage_compensation
+
1319 /* IWL_DEBUG_TXPOWER(priv, "calculated txpower index %d\n",
1322 if (power_index
< get_min_power_index(i
, band
))
1323 power_index
= get_min_power_index(i
, band
);
1325 /* adjust 5 GHz index to support negative indexes */
1329 /* CCK, rate 32, reduce txpower for CCK */
1330 if (i
== POWER_TABLE_CCK_ENTRY
)
1332 IWL_TX_POWER_CCK_COMPENSATION_C_STEP
;
1334 /* stay within the table! */
1335 if (power_index
> 107) {
1336 IWL_WARN(priv
, "txpower index %d > 107\n",
1340 if (power_index
< 0) {
1341 IWL_WARN(priv
, "txpower index %d < 0\n",
1346 /* fill txpower command for this rate/chain */
1347 tx_power
.s
.radio_tx_gain
[c
] =
1348 gain_table
[band
][power_index
].radio
;
1349 tx_power
.s
.dsp_predis_atten
[c
] =
1350 gain_table
[band
][power_index
].dsp
;
1352 IWL_DEBUG_TXPOWER(priv
, "chain %d mimo %d index %d "
1353 "gain 0x%02x dsp %d\n",
1354 c
, atten_value
, power_index
,
1355 tx_power
.s
.radio_tx_gain
[c
],
1356 tx_power
.s
.dsp_predis_atten
[c
]);
1357 } /* for each chain */
1359 tx_power_tbl
->power_tbl
[i
].dw
= cpu_to_le32(tx_power
.dw
);
1361 } /* for each rate */
1367 * iwl4965_send_tx_power - Configure the TXPOWER level user limit
1369 * Uses the active RXON for channel, band, and characteristics (ht40, high)
1370 * The power limit is taken from priv->tx_power_user_lmt.
1372 static int iwl4965_send_tx_power(struct iwl_priv
*priv
)
1374 struct iwl4965_txpowertable_cmd cmd
= { 0 };
1377 bool is_ht40
= false;
1378 u8 ctrl_chan_high
= 0;
1379 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
1381 if (WARN_ONCE(test_bit(STATUS_SCAN_HW
, &priv
->status
),
1382 "TX Power requested while scanning!\n"))
1385 band
= priv
->band
== IEEE80211_BAND_2GHZ
;
1387 is_ht40
= is_ht40_channel(ctx
->active
.flags
);
1389 if (is_ht40
&& (ctx
->active
.flags
& RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK
))
1393 cmd
.channel
= ctx
->active
.channel
;
1395 ret
= iwl4965_fill_txpower_tbl(priv
, band
,
1396 le16_to_cpu(ctx
->active
.channel
),
1397 is_ht40
, ctrl_chan_high
, &cmd
.tx_power
);
1401 ret
= iwl_send_cmd_pdu(priv
, REPLY_TX_PWR_TABLE_CMD
, sizeof(cmd
), &cmd
);
1407 static int iwl4965_send_rxon_assoc(struct iwl_priv
*priv
,
1408 struct iwl_rxon_context
*ctx
)
1411 struct iwl4965_rxon_assoc_cmd rxon_assoc
;
1412 const struct iwl_rxon_cmd
*rxon1
= &ctx
->staging
;
1413 const struct iwl_rxon_cmd
*rxon2
= &ctx
->active
;
1415 if ((rxon1
->flags
== rxon2
->flags
) &&
1416 (rxon1
->filter_flags
== rxon2
->filter_flags
) &&
1417 (rxon1
->cck_basic_rates
== rxon2
->cck_basic_rates
) &&
1418 (rxon1
->ofdm_ht_single_stream_basic_rates
==
1419 rxon2
->ofdm_ht_single_stream_basic_rates
) &&
1420 (rxon1
->ofdm_ht_dual_stream_basic_rates
==
1421 rxon2
->ofdm_ht_dual_stream_basic_rates
) &&
1422 (rxon1
->rx_chain
== rxon2
->rx_chain
) &&
1423 (rxon1
->ofdm_basic_rates
== rxon2
->ofdm_basic_rates
)) {
1424 IWL_DEBUG_INFO(priv
, "Using current RXON_ASSOC. Not resending.\n");
1428 rxon_assoc
.flags
= ctx
->staging
.flags
;
1429 rxon_assoc
.filter_flags
= ctx
->staging
.filter_flags
;
1430 rxon_assoc
.ofdm_basic_rates
= ctx
->staging
.ofdm_basic_rates
;
1431 rxon_assoc
.cck_basic_rates
= ctx
->staging
.cck_basic_rates
;
1432 rxon_assoc
.reserved
= 0;
1433 rxon_assoc
.ofdm_ht_single_stream_basic_rates
=
1434 ctx
->staging
.ofdm_ht_single_stream_basic_rates
;
1435 rxon_assoc
.ofdm_ht_dual_stream_basic_rates
=
1436 ctx
->staging
.ofdm_ht_dual_stream_basic_rates
;
1437 rxon_assoc
.rx_chain_select_flags
= ctx
->staging
.rx_chain
;
1439 ret
= iwl_send_cmd_pdu_async(priv
, REPLY_RXON_ASSOC
,
1440 sizeof(rxon_assoc
), &rxon_assoc
, NULL
);
1447 static int iwl4965_commit_rxon(struct iwl_priv
*priv
, struct iwl_rxon_context
*ctx
)
1449 /* cast away the const for active_rxon in this function */
1450 struct iwl_rxon_cmd
*active_rxon
= (void *)&ctx
->active
;
1453 !!(ctx
->staging
.filter_flags
& RXON_FILTER_ASSOC_MSK
);
1455 if (!iwl_is_alive(priv
))
1458 if (!ctx
->is_active
)
1461 /* always get timestamp with Rx frame */
1462 ctx
->staging
.flags
|= RXON_FLG_TSF2HOST_MSK
;
1464 ret
= iwl_check_rxon_cmd(priv
, ctx
);
1466 IWL_ERR(priv
, "Invalid RXON configuration. Not committing.\n");
1471 * receive commit_rxon request
1472 * abort any previous channel switch if still in process
1474 if (priv
->switch_rxon
.switch_in_progress
&&
1475 (priv
->switch_rxon
.channel
!= ctx
->staging
.channel
)) {
1476 IWL_DEBUG_11H(priv
, "abort channel switch on %d\n",
1477 le16_to_cpu(priv
->switch_rxon
.channel
));
1478 iwl_chswitch_done(priv
, false);
1481 /* If we don't need to send a full RXON, we can use
1482 * iwl_rxon_assoc_cmd which is used to reconfigure filter
1483 * and other flags for the current radio configuration. */
1484 if (!iwl_full_rxon_required(priv
, ctx
)) {
1485 ret
= iwl_send_rxon_assoc(priv
, ctx
);
1487 IWL_ERR(priv
, "Error setting RXON_ASSOC (%d)\n", ret
);
1491 memcpy(active_rxon
, &ctx
->staging
, sizeof(*active_rxon
));
1492 iwl_print_rx_config_cmd(priv
, ctx
);
1496 /* If we are currently associated and the new config requires
1497 * an RXON_ASSOC and the new config wants the associated mask enabled,
1498 * we must clear the associated from the active configuration
1499 * before we apply the new config */
1500 if (iwl_is_associated_ctx(ctx
) && new_assoc
) {
1501 IWL_DEBUG_INFO(priv
, "Toggling associated bit on current RXON\n");
1502 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
1504 ret
= iwl_send_cmd_pdu(priv
, ctx
->rxon_cmd
,
1505 sizeof(struct iwl_rxon_cmd
),
1508 /* If the mask clearing failed then we set
1509 * active_rxon back to what it was previously */
1511 active_rxon
->filter_flags
|= RXON_FILTER_ASSOC_MSK
;
1512 IWL_ERR(priv
, "Error clearing ASSOC_MSK (%d)\n", ret
);
1515 iwl_clear_ucode_stations(priv
, ctx
);
1516 iwl_restore_stations(priv
, ctx
);
1517 ret
= iwl_restore_default_wep_keys(priv
, ctx
);
1519 IWL_ERR(priv
, "Failed to restore WEP keys (%d)\n", ret
);
1524 IWL_DEBUG_INFO(priv
, "Sending RXON\n"
1525 "* with%s RXON_FILTER_ASSOC_MSK\n"
1528 (new_assoc
? "" : "out"),
1529 le16_to_cpu(ctx
->staging
.channel
),
1530 ctx
->staging
.bssid_addr
);
1532 iwl_set_rxon_hwcrypto(priv
, ctx
, !priv
->cfg
->mod_params
->sw_crypto
);
1534 /* Apply the new configuration
1535 * RXON unassoc clears the station table in uCode so restoration of
1536 * stations is needed after it (the RXON command) completes
1539 ret
= iwl_send_cmd_pdu(priv
, ctx
->rxon_cmd
,
1540 sizeof(struct iwl_rxon_cmd
), &ctx
->staging
);
1542 IWL_ERR(priv
, "Error setting new RXON (%d)\n", ret
);
1545 IWL_DEBUG_INFO(priv
, "Return from !new_assoc RXON.\n");
1546 memcpy(active_rxon
, &ctx
->staging
, sizeof(*active_rxon
));
1547 iwl_clear_ucode_stations(priv
, ctx
);
1548 iwl_restore_stations(priv
, ctx
);
1549 ret
= iwl_restore_default_wep_keys(priv
, ctx
);
1551 IWL_ERR(priv
, "Failed to restore WEP keys (%d)\n", ret
);
1556 priv
->start_calib
= 0;
1557 /* Apply the new configuration
1558 * RXON assoc doesn't clear the station table in uCode,
1560 ret
= iwl_send_cmd_pdu(priv
, ctx
->rxon_cmd
,
1561 sizeof(struct iwl_rxon_cmd
), &ctx
->staging
);
1563 IWL_ERR(priv
, "Error setting new RXON (%d)\n", ret
);
1566 memcpy(active_rxon
, &ctx
->staging
, sizeof(*active_rxon
));
1568 iwl_print_rx_config_cmd(priv
, ctx
);
1570 iwl_init_sensitivity(priv
);
1572 /* If we issue a new RXON command which required a tune then we must
1573 * send a new TXPOWER command or we won't be able to Tx any frames */
1574 ret
= iwl_set_tx_power(priv
, priv
->tx_power_user_lmt
, true);
1576 IWL_ERR(priv
, "Error sending TX power (%d)\n", ret
);
1583 static int iwl4965_hw_channel_switch(struct iwl_priv
*priv
,
1584 struct ieee80211_channel_switch
*ch_switch
)
1586 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
1589 bool is_ht40
= false;
1590 u8 ctrl_chan_high
= 0;
1591 struct iwl4965_channel_switch_cmd cmd
;
1592 const struct iwl_channel_info
*ch_info
;
1593 u32 switch_time_in_usec
, ucode_switch_time
;
1597 u16 beacon_interval
= le16_to_cpu(ctx
->timing
.beacon_interval
);
1598 struct ieee80211_vif
*vif
= ctx
->vif
;
1599 band
= priv
->band
== IEEE80211_BAND_2GHZ
;
1601 is_ht40
= is_ht40_channel(ctx
->staging
.flags
);
1604 (ctx
->staging
.flags
& RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK
))
1608 cmd
.expect_beacon
= 0;
1609 ch
= ch_switch
->channel
->hw_value
;
1610 cmd
.channel
= cpu_to_le16(ch
);
1611 cmd
.rxon_flags
= ctx
->staging
.flags
;
1612 cmd
.rxon_filter_flags
= ctx
->staging
.filter_flags
;
1613 switch_count
= ch_switch
->count
;
1614 tsf_low
= ch_switch
->timestamp
& 0x0ffffffff;
1616 * calculate the ucode channel switch time
1617 * adding TSF as one of the factor for when to switch
1619 if ((priv
->ucode_beacon_time
> tsf_low
) && beacon_interval
) {
1620 if (switch_count
> ((priv
->ucode_beacon_time
- tsf_low
) /
1622 switch_count
-= (priv
->ucode_beacon_time
-
1623 tsf_low
) / beacon_interval
;
1627 if (switch_count
<= 1)
1628 cmd
.switch_time
= cpu_to_le32(priv
->ucode_beacon_time
);
1630 switch_time_in_usec
=
1631 vif
->bss_conf
.beacon_int
* switch_count
* TIME_UNIT
;
1632 ucode_switch_time
= iwl_usecs_to_beacons(priv
,
1633 switch_time_in_usec
,
1635 cmd
.switch_time
= iwl_add_beacon_time(priv
,
1636 priv
->ucode_beacon_time
,
1640 IWL_DEBUG_11H(priv
, "uCode time for the switch is 0x%x\n",
1642 ch_info
= iwl_get_channel_info(priv
, priv
->band
, ch
);
1644 cmd
.expect_beacon
= is_channel_radar(ch_info
);
1646 IWL_ERR(priv
, "invalid channel switch from %u to %u\n",
1647 ctx
->active
.channel
, ch
);
1651 rc
= iwl4965_fill_txpower_tbl(priv
, band
, ch
, is_ht40
,
1652 ctrl_chan_high
, &cmd
.tx_power
);
1654 IWL_DEBUG_11H(priv
, "error:%d fill txpower_tbl\n", rc
);
1658 priv
->switch_rxon
.channel
= cmd
.channel
;
1659 priv
->switch_rxon
.switch_in_progress
= true;
1661 return iwl_send_cmd_pdu(priv
, REPLY_CHANNEL_SWITCH
, sizeof(cmd
), &cmd
);
1665 * iwl4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
1667 static void iwl4965_txq_update_byte_cnt_tbl(struct iwl_priv
*priv
,
1668 struct iwl_tx_queue
*txq
,
1671 struct iwl4965_scd_bc_tbl
*scd_bc_tbl
= priv
->scd_bc_tbls
.addr
;
1672 int txq_id
= txq
->q
.id
;
1673 int write_ptr
= txq
->q
.write_ptr
;
1674 int len
= byte_cnt
+ IWL_TX_CRC_SIZE
+ IWL_TX_DELIMITER_SIZE
;
1677 WARN_ON(len
> 0xFFF || write_ptr
>= TFD_QUEUE_SIZE_MAX
);
1679 bc_ent
= cpu_to_le16(len
& 0xFFF);
1680 /* Set up byte count within first 256 entries */
1681 scd_bc_tbl
[txq_id
].tfd_offset
[write_ptr
] = bc_ent
;
1683 /* If within first 64 entries, duplicate at end */
1684 if (write_ptr
< TFD_QUEUE_SIZE_BC_DUP
)
1686 tfd_offset
[TFD_QUEUE_SIZE_MAX
+ write_ptr
] = bc_ent
;
1690 * iwl4965_hw_get_temperature - return the calibrated temperature (in Kelvin)
1691 * @statistics: Provides the temperature reading from the uCode
1693 * A return of <0 indicates bogus data in the statistics
1695 static int iwl4965_hw_get_temperature(struct iwl_priv
*priv
)
1702 if (test_bit(STATUS_TEMPERATURE
, &priv
->status
) &&
1703 (priv
->_agn
.statistics
.flag
&
1704 STATISTICS_REPLY_FLG_HT40_MODE_MSK
)) {
1705 IWL_DEBUG_TEMP(priv
, "Running HT40 temperature calibration\n");
1706 R1
= (s32
)le32_to_cpu(priv
->card_alive_init
.therm_r1
[1]);
1707 R2
= (s32
)le32_to_cpu(priv
->card_alive_init
.therm_r2
[1]);
1708 R3
= (s32
)le32_to_cpu(priv
->card_alive_init
.therm_r3
[1]);
1709 R4
= le32_to_cpu(priv
->card_alive_init
.therm_r4
[1]);
1711 IWL_DEBUG_TEMP(priv
, "Running temperature calibration\n");
1712 R1
= (s32
)le32_to_cpu(priv
->card_alive_init
.therm_r1
[0]);
1713 R2
= (s32
)le32_to_cpu(priv
->card_alive_init
.therm_r2
[0]);
1714 R3
= (s32
)le32_to_cpu(priv
->card_alive_init
.therm_r3
[0]);
1715 R4
= le32_to_cpu(priv
->card_alive_init
.therm_r4
[0]);
1719 * Temperature is only 23 bits, so sign extend out to 32.
1721 * NOTE If we haven't received a statistics notification yet
1722 * with an updated temperature, use R4 provided to us in the
1723 * "initialize" ALIVE response.
1725 if (!test_bit(STATUS_TEMPERATURE
, &priv
->status
))
1726 vt
= sign_extend32(R4
, 23);
1728 vt
= sign_extend32(le32_to_cpu(priv
->_agn
.statistics
.
1729 general
.common
.temperature
), 23);
1731 IWL_DEBUG_TEMP(priv
, "Calib values R[1-3]: %d %d %d R4: %d\n", R1
, R2
, R3
, vt
);
1734 IWL_ERR(priv
, "Calibration conflict R1 == R3\n");
1738 /* Calculate temperature in degrees Kelvin, adjust by 97%.
1739 * Add offset to center the adjustment around 0 degrees Centigrade. */
1740 temperature
= TEMPERATURE_CALIB_A_VAL
* (vt
- R2
);
1741 temperature
/= (R3
- R1
);
1742 temperature
= (temperature
* 97) / 100 + TEMPERATURE_CALIB_KELVIN_OFFSET
;
1744 IWL_DEBUG_TEMP(priv
, "Calibrated temperature: %dK, %dC\n",
1745 temperature
, KELVIN_TO_CELSIUS(temperature
));
1750 /* Adjust Txpower only if temperature variance is greater than threshold. */
1751 #define IWL_TEMPERATURE_THRESHOLD 3
1754 * iwl4965_is_temp_calib_needed - determines if new calibration is needed
1756 * If the temperature changed has changed sufficiently, then a recalibration
1759 * Assumes caller will replace priv->last_temperature once calibration
1762 static int iwl4965_is_temp_calib_needed(struct iwl_priv
*priv
)
1766 if (!test_bit(STATUS_STATISTICS
, &priv
->status
)) {
1767 IWL_DEBUG_TEMP(priv
, "Temperature not updated -- no statistics.\n");
1771 temp_diff
= priv
->temperature
- priv
->last_temperature
;
1773 /* get absolute value */
1774 if (temp_diff
< 0) {
1775 IWL_DEBUG_POWER(priv
, "Getting cooler, delta %d\n", temp_diff
);
1776 temp_diff
= -temp_diff
;
1777 } else if (temp_diff
== 0)
1778 IWL_DEBUG_POWER(priv
, "Temperature unchanged\n");
1780 IWL_DEBUG_POWER(priv
, "Getting warmer, delta %d\n", temp_diff
);
1782 if (temp_diff
< IWL_TEMPERATURE_THRESHOLD
) {
1783 IWL_DEBUG_POWER(priv
, " => thermal txpower calib not needed\n");
1787 IWL_DEBUG_POWER(priv
, " => thermal txpower calib needed\n");
1792 static void iwl4965_temperature_calib(struct iwl_priv
*priv
)
1796 temp
= iwl4965_hw_get_temperature(priv
);
1800 if (priv
->temperature
!= temp
) {
1801 if (priv
->temperature
)
1802 IWL_DEBUG_TEMP(priv
, "Temperature changed "
1803 "from %dC to %dC\n",
1804 KELVIN_TO_CELSIUS(priv
->temperature
),
1805 KELVIN_TO_CELSIUS(temp
));
1807 IWL_DEBUG_TEMP(priv
, "Temperature "
1808 "initialized to %dC\n",
1809 KELVIN_TO_CELSIUS(temp
));
1812 priv
->temperature
= temp
;
1813 iwl_tt_handler(priv
);
1814 set_bit(STATUS_TEMPERATURE
, &priv
->status
);
1816 if (!priv
->disable_tx_power_cal
&&
1817 unlikely(!test_bit(STATUS_SCANNING
, &priv
->status
)) &&
1818 iwl4965_is_temp_calib_needed(priv
))
1819 queue_work(priv
->workqueue
, &priv
->txpower_work
);
1823 * iwl4965_tx_queue_stop_scheduler - Stop queue, but keep configuration
1825 static void iwl4965_tx_queue_stop_scheduler(struct iwl_priv
*priv
,
1828 /* Simply stop the queue, but don't change any configuration;
1829 * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
1830 iwl_write_prph(priv
,
1831 IWL49_SCD_QUEUE_STATUS_BITS(txq_id
),
1832 (0 << IWL49_SCD_QUEUE_STTS_REG_POS_ACTIVE
)|
1833 (1 << IWL49_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN
));
1837 * txq_id must be greater than IWL49_FIRST_AMPDU_QUEUE
1838 * priv->lock must be held by the caller
1840 static int iwl4965_txq_agg_disable(struct iwl_priv
*priv
, u16 txq_id
,
1841 u16 ssn_idx
, u8 tx_fifo
)
1843 if ((IWL49_FIRST_AMPDU_QUEUE
> txq_id
) ||
1844 (IWL49_FIRST_AMPDU_QUEUE
+
1845 priv
->cfg
->base_params
->num_of_ampdu_queues
<= txq_id
)) {
1847 "queue number out of range: %d, must be %d to %d\n",
1848 txq_id
, IWL49_FIRST_AMPDU_QUEUE
,
1849 IWL49_FIRST_AMPDU_QUEUE
+
1850 priv
->cfg
->base_params
->num_of_ampdu_queues
- 1);
1854 iwl4965_tx_queue_stop_scheduler(priv
, txq_id
);
1856 iwl_clear_bits_prph(priv
, IWL49_SCD_QUEUECHAIN_SEL
, (1 << txq_id
));
1858 priv
->txq
[txq_id
].q
.read_ptr
= (ssn_idx
& 0xff);
1859 priv
->txq
[txq_id
].q
.write_ptr
= (ssn_idx
& 0xff);
1860 /* supposes that ssn_idx is valid (!= 0xFFF) */
1861 iwl4965_set_wr_ptrs(priv
, txq_id
, ssn_idx
);
1863 iwl_clear_bits_prph(priv
, IWL49_SCD_INTERRUPT_MASK
, (1 << txq_id
));
1864 iwl_txq_ctx_deactivate(priv
, txq_id
);
1865 iwl4965_tx_queue_set_status(priv
, &priv
->txq
[txq_id
], tx_fifo
, 0);
1871 * iwl4965_tx_queue_set_q2ratid - Map unique receiver/tid combination to a queue
1873 static int iwl4965_tx_queue_set_q2ratid(struct iwl_priv
*priv
, u16 ra_tid
,
1880 scd_q2ratid
= ra_tid
& IWL_SCD_QUEUE_RA_TID_MAP_RATID_MSK
;
1882 tbl_dw_addr
= priv
->scd_base_addr
+
1883 IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id
);
1885 tbl_dw
= iwl_read_targ_mem(priv
, tbl_dw_addr
);
1888 tbl_dw
= (scd_q2ratid
<< 16) | (tbl_dw
& 0x0000FFFF);
1890 tbl_dw
= scd_q2ratid
| (tbl_dw
& 0xFFFF0000);
1892 iwl_write_targ_mem(priv
, tbl_dw_addr
, tbl_dw
);
1899 * iwl4965_tx_queue_agg_enable - Set up & enable aggregation for selected queue
1901 * NOTE: txq_id must be greater than IWL49_FIRST_AMPDU_QUEUE,
1902 * i.e. it must be one of the higher queues used for aggregation
1904 static int iwl4965_txq_agg_enable(struct iwl_priv
*priv
, int txq_id
,
1905 int tx_fifo
, int sta_id
, int tid
, u16 ssn_idx
)
1907 unsigned long flags
;
1911 if ((IWL49_FIRST_AMPDU_QUEUE
> txq_id
) ||
1912 (IWL49_FIRST_AMPDU_QUEUE
+
1913 priv
->cfg
->base_params
->num_of_ampdu_queues
<= txq_id
)) {
1915 "queue number out of range: %d, must be %d to %d\n",
1916 txq_id
, IWL49_FIRST_AMPDU_QUEUE
,
1917 IWL49_FIRST_AMPDU_QUEUE
+
1918 priv
->cfg
->base_params
->num_of_ampdu_queues
- 1);
1922 ra_tid
= BUILD_RAxTID(sta_id
, tid
);
1924 /* Modify device's station table to Tx this TID */
1925 ret
= iwl_sta_tx_modify_enable_tid(priv
, sta_id
, tid
);
1929 spin_lock_irqsave(&priv
->lock
, flags
);
1931 /* Stop this Tx queue before configuring it */
1932 iwl4965_tx_queue_stop_scheduler(priv
, txq_id
);
1934 /* Map receiver-address / traffic-ID to this queue */
1935 iwl4965_tx_queue_set_q2ratid(priv
, ra_tid
, txq_id
);
1937 /* Set this queue as a chain-building queue */
1938 iwl_set_bits_prph(priv
, IWL49_SCD_QUEUECHAIN_SEL
, (1 << txq_id
));
1940 /* Place first TFD at index corresponding to start sequence number.
1941 * Assumes that ssn_idx is valid (!= 0xFFF) */
1942 priv
->txq
[txq_id
].q
.read_ptr
= (ssn_idx
& 0xff);
1943 priv
->txq
[txq_id
].q
.write_ptr
= (ssn_idx
& 0xff);
1944 iwl4965_set_wr_ptrs(priv
, txq_id
, ssn_idx
);
1946 /* Set up Tx window size and frame limit for this queue */
1947 iwl_write_targ_mem(priv
,
1948 priv
->scd_base_addr
+ IWL49_SCD_CONTEXT_QUEUE_OFFSET(txq_id
),
1949 (SCD_WIN_SIZE
<< IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_POS
) &
1950 IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK
);
1952 iwl_write_targ_mem(priv
, priv
->scd_base_addr
+
1953 IWL49_SCD_CONTEXT_QUEUE_OFFSET(txq_id
) + sizeof(u32
),
1954 (SCD_FRAME_LIMIT
<< IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS
)
1955 & IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK
);
1957 iwl_set_bits_prph(priv
, IWL49_SCD_INTERRUPT_MASK
, (1 << txq_id
));
1959 /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
1960 iwl4965_tx_queue_set_status(priv
, &priv
->txq
[txq_id
], tx_fifo
, 1);
1962 spin_unlock_irqrestore(&priv
->lock
, flags
);
1968 static u16
iwl4965_get_hcmd_size(u8 cmd_id
, u16 len
)
1972 return (u16
) sizeof(struct iwl4965_rxon_cmd
);
1978 static u16
iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd
*cmd
, u8
*data
)
1980 struct iwl4965_addsta_cmd
*addsta
= (struct iwl4965_addsta_cmd
*)data
;
1981 addsta
->mode
= cmd
->mode
;
1982 memcpy(&addsta
->sta
, &cmd
->sta
, sizeof(struct sta_id_modify
));
1983 memcpy(&addsta
->key
, &cmd
->key
, sizeof(struct iwl4965_keyinfo
));
1984 addsta
->station_flags
= cmd
->station_flags
;
1985 addsta
->station_flags_msk
= cmd
->station_flags_msk
;
1986 addsta
->tid_disable_tx
= cmd
->tid_disable_tx
;
1987 addsta
->add_immediate_ba_tid
= cmd
->add_immediate_ba_tid
;
1988 addsta
->remove_immediate_ba_tid
= cmd
->remove_immediate_ba_tid
;
1989 addsta
->add_immediate_ba_ssn
= cmd
->add_immediate_ba_ssn
;
1990 addsta
->sleep_tx_count
= cmd
->sleep_tx_count
;
1991 addsta
->reserved1
= cpu_to_le16(0);
1992 addsta
->reserved2
= cpu_to_le16(0);
1994 return (u16
)sizeof(struct iwl4965_addsta_cmd
);
1997 static inline u32
iwl4965_get_scd_ssn(struct iwl4965_tx_resp
*tx_resp
)
1999 return le32_to_cpup(&tx_resp
->u
.status
+ tx_resp
->frame_count
) & MAX_SN
;
2003 * iwl4965_tx_status_reply_tx - Handle Tx response for frames in aggregation queue
2005 static int iwl4965_tx_status_reply_tx(struct iwl_priv
*priv
,
2006 struct iwl_ht_agg
*agg
,
2007 struct iwl4965_tx_resp
*tx_resp
,
2008 int txq_id
, u16 start_idx
)
2011 struct agg_tx_status
*frame_status
= tx_resp
->u
.agg_status
;
2012 struct ieee80211_tx_info
*info
= NULL
;
2013 struct ieee80211_hdr
*hdr
= NULL
;
2014 u32 rate_n_flags
= le32_to_cpu(tx_resp
->rate_n_flags
);
2017 if (agg
->wait_for_ba
)
2018 IWL_DEBUG_TX_REPLY(priv
, "got tx response w/o block-ack\n");
2020 agg
->frame_count
= tx_resp
->frame_count
;
2021 agg
->start_idx
= start_idx
;
2022 agg
->rate_n_flags
= rate_n_flags
;
2025 /* num frames attempted by Tx command */
2026 if (agg
->frame_count
== 1) {
2027 /* Only one frame was attempted; no block-ack will arrive */
2028 status
= le16_to_cpu(frame_status
[0].status
);
2031 /* FIXME: code repetition */
2032 IWL_DEBUG_TX_REPLY(priv
, "FrameCnt = %d, StartIdx=%d idx=%d\n",
2033 agg
->frame_count
, agg
->start_idx
, idx
);
2035 info
= IEEE80211_SKB_CB(priv
->txq
[txq_id
].txb
[idx
].skb
);
2036 info
->status
.rates
[0].count
= tx_resp
->failure_frame
+ 1;
2037 info
->flags
&= ~IEEE80211_TX_CTL_AMPDU
;
2038 info
->flags
|= iwl_tx_status_to_mac80211(status
);
2039 iwlagn_hwrate_to_tx_control(priv
, rate_n_flags
, info
);
2040 /* FIXME: code repetition end */
2042 IWL_DEBUG_TX_REPLY(priv
, "1 Frame 0x%x failure :%d\n",
2043 status
& 0xff, tx_resp
->failure_frame
);
2044 IWL_DEBUG_TX_REPLY(priv
, "Rate Info rate_n_flags=%x\n", rate_n_flags
);
2046 agg
->wait_for_ba
= 0;
2048 /* Two or more frames were attempted; expect block-ack */
2050 int start
= agg
->start_idx
;
2052 /* Construct bit-map of pending frames within Tx window */
2053 for (i
= 0; i
< agg
->frame_count
; i
++) {
2055 status
= le16_to_cpu(frame_status
[i
].status
);
2056 seq
= le16_to_cpu(frame_status
[i
].sequence
);
2057 idx
= SEQ_TO_INDEX(seq
);
2058 txq_id
= SEQ_TO_QUEUE(seq
);
2060 if (status
& (AGG_TX_STATE_FEW_BYTES_MSK
|
2061 AGG_TX_STATE_ABORT_MSK
))
2064 IWL_DEBUG_TX_REPLY(priv
, "FrameCnt = %d, txq_id=%d idx=%d\n",
2065 agg
->frame_count
, txq_id
, idx
);
2067 hdr
= iwl_tx_queue_get_hdr(priv
, txq_id
, idx
);
2070 "BUG_ON idx doesn't point to valid skb"
2071 " idx=%d, txq_id=%d\n", idx
, txq_id
);
2075 sc
= le16_to_cpu(hdr
->seq_ctrl
);
2076 if (idx
!= (SEQ_TO_SN(sc
) & 0xff)) {
2078 "BUG_ON idx doesn't match seq control"
2079 " idx=%d, seq_idx=%d, seq=%d\n",
2080 idx
, SEQ_TO_SN(sc
), hdr
->seq_ctrl
);
2084 IWL_DEBUG_TX_REPLY(priv
, "AGG Frame i=%d idx %d seq=%d\n",
2085 i
, idx
, SEQ_TO_SN(sc
));
2089 sh
= (start
- idx
) + 0xff;
2090 bitmap
= bitmap
<< sh
;
2093 } else if (sh
< -64)
2094 sh
= 0xff - (start
- idx
);
2098 bitmap
= bitmap
<< sh
;
2101 bitmap
|= 1ULL << sh
;
2102 IWL_DEBUG_TX_REPLY(priv
, "start=%d bitmap=0x%llx\n",
2103 start
, (unsigned long long)bitmap
);
2106 agg
->bitmap
= bitmap
;
2107 agg
->start_idx
= start
;
2108 IWL_DEBUG_TX_REPLY(priv
, "Frames %d start_idx=%d bitmap=0x%llx\n",
2109 agg
->frame_count
, agg
->start_idx
,
2110 (unsigned long long)agg
->bitmap
);
2113 agg
->wait_for_ba
= 1;
2118 static u8
iwl_find_station(struct iwl_priv
*priv
, const u8
*addr
)
2122 int ret
= IWL_INVALID_STATION
;
2123 unsigned long flags
;
2125 if ((priv
->iw_mode
== NL80211_IFTYPE_ADHOC
) ||
2126 (priv
->iw_mode
== NL80211_IFTYPE_AP
))
2129 if (is_broadcast_ether_addr(addr
))
2130 return priv
->contexts
[IWL_RXON_CTX_BSS
].bcast_sta_id
;
2132 spin_lock_irqsave(&priv
->sta_lock
, flags
);
2133 for (i
= start
; i
< priv
->hw_params
.max_stations
; i
++)
2134 if (priv
->stations
[i
].used
&&
2135 (!compare_ether_addr(priv
->stations
[i
].sta
.sta
.addr
,
2141 IWL_DEBUG_ASSOC_LIMIT(priv
, "can not find STA %pM total %d\n",
2142 addr
, priv
->num_stations
);
2146 * It may be possible that more commands interacting with stations
2147 * arrive before we completed processing the adding of
2150 if (ret
!= IWL_INVALID_STATION
&&
2151 (!(priv
->stations
[ret
].used
& IWL_STA_UCODE_ACTIVE
) ||
2152 ((priv
->stations
[ret
].used
& IWL_STA_UCODE_ACTIVE
) &&
2153 (priv
->stations
[ret
].used
& IWL_STA_UCODE_INPROGRESS
)))) {
2154 IWL_ERR(priv
, "Requested station info for sta %d before ready.\n",
2156 ret
= IWL_INVALID_STATION
;
2158 spin_unlock_irqrestore(&priv
->sta_lock
, flags
);
2162 static int iwl_get_ra_sta_id(struct iwl_priv
*priv
, struct ieee80211_hdr
*hdr
)
2164 if (priv
->iw_mode
== NL80211_IFTYPE_STATION
) {
2167 u8
*da
= ieee80211_get_DA(hdr
);
2168 return iwl_find_station(priv
, da
);
2173 * iwl4965_rx_reply_tx - Handle standard (non-aggregation) Tx response
2175 static void iwl4965_rx_reply_tx(struct iwl_priv
*priv
,
2176 struct iwl_rx_mem_buffer
*rxb
)
2178 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
2179 u16 sequence
= le16_to_cpu(pkt
->hdr
.sequence
);
2180 int txq_id
= SEQ_TO_QUEUE(sequence
);
2181 int index
= SEQ_TO_INDEX(sequence
);
2182 struct iwl_tx_queue
*txq
= &priv
->txq
[txq_id
];
2183 struct ieee80211_hdr
*hdr
;
2184 struct ieee80211_tx_info
*info
;
2185 struct iwl4965_tx_resp
*tx_resp
= (void *)&pkt
->u
.raw
[0];
2186 u32 status
= le32_to_cpu(tx_resp
->u
.status
);
2187 int uninitialized_var(tid
);
2191 unsigned long flags
;
2193 if ((index
>= txq
->q
.n_bd
) || (iwl_queue_used(&txq
->q
, index
) == 0)) {
2194 IWL_ERR(priv
, "Read index for DMA queue txq_id (%d) index %d "
2195 "is out of range [0-%d] %d %d\n", txq_id
,
2196 index
, txq
->q
.n_bd
, txq
->q
.write_ptr
,
2201 txq
->time_stamp
= jiffies
;
2202 info
= IEEE80211_SKB_CB(txq
->txb
[txq
->q
.read_ptr
].skb
);
2203 memset(&info
->status
, 0, sizeof(info
->status
));
2205 hdr
= iwl_tx_queue_get_hdr(priv
, txq_id
, index
);
2206 if (ieee80211_is_data_qos(hdr
->frame_control
)) {
2207 qc
= ieee80211_get_qos_ctl(hdr
);
2211 sta_id
= iwl_get_ra_sta_id(priv
, hdr
);
2212 if (txq
->sched_retry
&& unlikely(sta_id
== IWL_INVALID_STATION
)) {
2213 IWL_ERR(priv
, "Station not known\n");
2217 spin_lock_irqsave(&priv
->sta_lock
, flags
);
2218 if (txq
->sched_retry
) {
2219 const u32 scd_ssn
= iwl4965_get_scd_ssn(tx_resp
);
2220 struct iwl_ht_agg
*agg
= NULL
;
2223 agg
= &priv
->stations
[sta_id
].tid
[tid
].agg
;
2225 iwl4965_tx_status_reply_tx(priv
, agg
, tx_resp
, txq_id
, index
);
2227 /* check if BAR is needed */
2228 if ((tx_resp
->frame_count
== 1) && !iwl_is_tx_success(status
))
2229 info
->flags
|= IEEE80211_TX_STAT_AMPDU_NO_BACK
;
2231 if (txq
->q
.read_ptr
!= (scd_ssn
& 0xff)) {
2232 index
= iwl_queue_dec_wrap(scd_ssn
& 0xff, txq
->q
.n_bd
);
2233 IWL_DEBUG_TX_REPLY(priv
, "Retry scheduler reclaim scd_ssn "
2234 "%d index %d\n", scd_ssn
, index
);
2235 freed
= iwlagn_tx_queue_reclaim(priv
, txq_id
, index
);
2237 iwl_free_tfds_in_queue(priv
, sta_id
,
2240 if (priv
->mac80211_registered
&&
2241 (iwl_queue_space(&txq
->q
) > txq
->q
.low_mark
) &&
2242 (agg
->state
!= IWL_EMPTYING_HW_QUEUE_DELBA
))
2243 iwl_wake_queue(priv
, txq
);
2246 info
->status
.rates
[0].count
= tx_resp
->failure_frame
+ 1;
2247 info
->flags
|= iwl_tx_status_to_mac80211(status
);
2248 iwlagn_hwrate_to_tx_control(priv
,
2249 le32_to_cpu(tx_resp
->rate_n_flags
),
2252 IWL_DEBUG_TX_REPLY(priv
, "TXQ %d status %s (0x%08x) "
2253 "rate_n_flags 0x%x retries %d\n",
2255 iwl_get_tx_fail_reason(status
), status
,
2256 le32_to_cpu(tx_resp
->rate_n_flags
),
2257 tx_resp
->failure_frame
);
2259 freed
= iwlagn_tx_queue_reclaim(priv
, txq_id
, index
);
2260 if (qc
&& likely(sta_id
!= IWL_INVALID_STATION
))
2261 iwl_free_tfds_in_queue(priv
, sta_id
, tid
, freed
);
2262 else if (sta_id
== IWL_INVALID_STATION
)
2263 IWL_DEBUG_TX_REPLY(priv
, "Station not known\n");
2265 if (priv
->mac80211_registered
&&
2266 (iwl_queue_space(&txq
->q
) > txq
->q
.low_mark
))
2267 iwl_wake_queue(priv
, txq
);
2269 if (qc
&& likely(sta_id
!= IWL_INVALID_STATION
))
2270 iwlagn_txq_check_empty(priv
, sta_id
, tid
, txq_id
);
2272 iwl_check_abort_status(priv
, tx_resp
->frame_count
, status
);
2274 spin_unlock_irqrestore(&priv
->sta_lock
, flags
);
2277 static int iwl4965_calc_rssi(struct iwl_priv
*priv
,
2278 struct iwl_rx_phy_res
*rx_resp
)
2280 /* data from PHY/DSP regarding signal strength, etc.,
2281 * contents are always there, not configurable by host. */
2282 struct iwl4965_rx_non_cfg_phy
*ncphy
=
2283 (struct iwl4965_rx_non_cfg_phy
*)rx_resp
->non_cfg_phy_buf
;
2284 u32 agc
= (le16_to_cpu(ncphy
->agc_info
) & IWL49_AGC_DB_MASK
)
2285 >> IWL49_AGC_DB_POS
;
2287 u32 valid_antennae
=
2288 (le16_to_cpu(rx_resp
->phy_flags
) & IWL49_RX_PHY_FLAGS_ANTENNAE_MASK
)
2289 >> IWL49_RX_PHY_FLAGS_ANTENNAE_OFFSET
;
2293 /* Find max rssi among 3 possible receivers.
2294 * These values are measured by the digital signal processor (DSP).
2295 * They should stay fairly constant even as the signal strength varies,
2296 * if the radio's automatic gain control (AGC) is working right.
2297 * AGC value (see below) will provide the "interesting" info. */
2298 for (i
= 0; i
< 3; i
++)
2299 if (valid_antennae
& (1 << i
))
2300 max_rssi
= max(ncphy
->rssi_info
[i
<< 1], max_rssi
);
2302 IWL_DEBUG_STATS(priv
, "Rssi In A %d B %d C %d Max %d AGC dB %d\n",
2303 ncphy
->rssi_info
[0], ncphy
->rssi_info
[2], ncphy
->rssi_info
[4],
2306 /* dBm = max_rssi dB - agc dB - constant.
2307 * Higher AGC (higher radio gain) means lower signal. */
2308 return max_rssi
- agc
- IWLAGN_RSSI_OFFSET
;
2312 /* Set up 4965-specific Rx frame reply handlers */
2313 static void iwl4965_rx_handler_setup(struct iwl_priv
*priv
)
2315 /* Legacy Rx frames */
2316 priv
->rx_handlers
[REPLY_RX
] = iwlagn_rx_reply_rx
;
2318 priv
->rx_handlers
[REPLY_TX
] = iwl4965_rx_reply_tx
;
2321 static void iwl4965_setup_deferred_work(struct iwl_priv
*priv
)
2323 INIT_WORK(&priv
->txpower_work
, iwl4965_bg_txpower_work
);
2326 static void iwl4965_cancel_deferred_work(struct iwl_priv
*priv
)
2328 cancel_work_sync(&priv
->txpower_work
);
2331 static struct iwl_hcmd_ops iwl4965_hcmd
= {
2332 .rxon_assoc
= iwl4965_send_rxon_assoc
,
2333 .commit_rxon
= iwl4965_commit_rxon
,
2334 .set_rxon_chain
= iwlagn_set_rxon_chain
,
2335 .send_bt_config
= iwl_send_bt_config
,
2338 static void iwl4965_post_scan(struct iwl_priv
*priv
)
2340 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
2343 * Since setting the RXON may have been deferred while
2344 * performing the scan, fire one off if needed
2346 if (memcmp(&ctx
->staging
, &ctx
->active
, sizeof(ctx
->staging
)))
2347 iwlcore_commit_rxon(priv
, ctx
);
2350 static void iwl4965_post_associate(struct iwl_priv
*priv
)
2352 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
2353 struct ieee80211_vif
*vif
= ctx
->vif
;
2354 struct ieee80211_conf
*conf
= NULL
;
2357 if (!vif
|| !priv
->is_open
)
2360 if (vif
->type
== NL80211_IFTYPE_AP
) {
2361 IWL_ERR(priv
, "%s Should not be called in AP mode\n", __func__
);
2365 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2368 iwl_scan_cancel_timeout(priv
, 200);
2370 conf
= ieee80211_get_hw_conf(priv
->hw
);
2372 ctx
->staging
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2373 iwlcore_commit_rxon(priv
, ctx
);
2375 ret
= iwl_send_rxon_timing(priv
, ctx
);
2377 IWL_WARN(priv
, "RXON timing - "
2378 "Attempting to continue.\n");
2380 ctx
->staging
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2382 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
2384 if (priv
->cfg
->ops
->hcmd
->set_rxon_chain
)
2385 priv
->cfg
->ops
->hcmd
->set_rxon_chain(priv
, ctx
);
2387 ctx
->staging
.assoc_id
= cpu_to_le16(vif
->bss_conf
.aid
);
2389 IWL_DEBUG_ASSOC(priv
, "assoc id %d beacon interval %d\n",
2390 vif
->bss_conf
.aid
, vif
->bss_conf
.beacon_int
);
2392 if (vif
->bss_conf
.use_short_preamble
)
2393 ctx
->staging
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
2395 ctx
->staging
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2397 if (ctx
->staging
.flags
& RXON_FLG_BAND_24G_MSK
) {
2398 if (vif
->bss_conf
.use_short_slot
)
2399 ctx
->staging
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
2401 ctx
->staging
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2404 iwlcore_commit_rxon(priv
, ctx
);
2406 IWL_DEBUG_ASSOC(priv
, "Associated as %d to: %pM\n",
2407 vif
->bss_conf
.aid
, ctx
->active
.bssid_addr
);
2409 switch (vif
->type
) {
2410 case NL80211_IFTYPE_STATION
:
2412 case NL80211_IFTYPE_ADHOC
:
2413 iwlagn_send_beacon_cmd(priv
);
2416 IWL_ERR(priv
, "%s Should not be called in %d mode\n",
2417 __func__
, vif
->type
);
2421 /* the chain noise calibration will enabled PM upon completion
2422 * If chain noise has already been run, then we need to enable
2423 * power management here */
2424 if (priv
->chain_noise_data
.state
== IWL_CHAIN_NOISE_DONE
)
2425 iwl_power_update_mode(priv
, false);
2427 /* Enable Rx differential gain and sensitivity calibrations */
2428 iwl_chain_noise_reset(priv
);
2429 priv
->start_calib
= 1;
2432 static void iwl4965_config_ap(struct iwl_priv
*priv
)
2434 struct iwl_rxon_context
*ctx
= &priv
->contexts
[IWL_RXON_CTX_BSS
];
2435 struct ieee80211_vif
*vif
= ctx
->vif
;
2438 lockdep_assert_held(&priv
->mutex
);
2440 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2443 /* The following should be done only at AP bring up */
2444 if (!iwl_is_associated_ctx(ctx
)) {
2446 /* RXON - unassoc (to set timing command) */
2447 ctx
->staging
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2448 iwlcore_commit_rxon(priv
, ctx
);
2451 ret
= iwl_send_rxon_timing(priv
, ctx
);
2453 IWL_WARN(priv
, "RXON timing failed - "
2454 "Attempting to continue.\n");
2456 /* AP has all antennas */
2457 priv
->chain_noise_data
.active_chains
=
2458 priv
->hw_params
.valid_rx_ant
;
2459 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
2460 if (priv
->cfg
->ops
->hcmd
->set_rxon_chain
)
2461 priv
->cfg
->ops
->hcmd
->set_rxon_chain(priv
, ctx
);
2463 ctx
->staging
.assoc_id
= 0;
2465 if (vif
->bss_conf
.use_short_preamble
)
2466 ctx
->staging
.flags
|=
2467 RXON_FLG_SHORT_PREAMBLE_MSK
;
2469 ctx
->staging
.flags
&=
2470 ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2472 if (ctx
->staging
.flags
& RXON_FLG_BAND_24G_MSK
) {
2473 if (vif
->bss_conf
.use_short_slot
)
2474 ctx
->staging
.flags
|=
2475 RXON_FLG_SHORT_SLOT_MSK
;
2477 ctx
->staging
.flags
&=
2478 ~RXON_FLG_SHORT_SLOT_MSK
;
2480 /* need to send beacon cmd before committing assoc RXON! */
2481 iwlagn_send_beacon_cmd(priv
);
2482 /* restore RXON assoc */
2483 ctx
->staging
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2484 iwlcore_commit_rxon(priv
, ctx
);
2486 iwlagn_send_beacon_cmd(priv
);
2488 /* FIXME - we need to add code here to detect a totally new
2489 * configuration, reset the AP, unassoc, rxon timing, assoc,
2490 * clear sta table, add BCAST sta... */
2493 static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils
= {
2494 .get_hcmd_size
= iwl4965_get_hcmd_size
,
2495 .build_addsta_hcmd
= iwl4965_build_addsta_hcmd
,
2496 .chain_noise_reset
= iwl4965_chain_noise_reset
,
2497 .gain_computation
= iwl4965_gain_computation
,
2498 .tx_cmd_protection
= iwl_legacy_tx_cmd_protection
,
2499 .calc_rssi
= iwl4965_calc_rssi
,
2500 .request_scan
= iwlagn_request_scan
,
2501 .post_scan
= iwl4965_post_scan
,
2504 static struct iwl_lib_ops iwl4965_lib
= {
2505 .set_hw_params
= iwl4965_hw_set_hw_params
,
2506 .txq_update_byte_cnt_tbl
= iwl4965_txq_update_byte_cnt_tbl
,
2507 .txq_set_sched
= iwl4965_txq_set_sched
,
2508 .txq_agg_enable
= iwl4965_txq_agg_enable
,
2509 .txq_agg_disable
= iwl4965_txq_agg_disable
,
2510 .txq_attach_buf_to_tfd
= iwl_hw_txq_attach_buf_to_tfd
,
2511 .txq_free_tfd
= iwl_hw_txq_free_tfd
,
2512 .txq_init
= iwl_hw_tx_queue_init
,
2513 .rx_handler_setup
= iwl4965_rx_handler_setup
,
2514 .setup_deferred_work
= iwl4965_setup_deferred_work
,
2515 .cancel_deferred_work
= iwl4965_cancel_deferred_work
,
2516 .is_valid_rtc_data_addr
= iwl4965_hw_valid_rtc_data_addr
,
2517 .alive_notify
= iwl4965_alive_notify
,
2518 .init_alive_start
= iwl4965_init_alive_start
,
2519 .load_ucode
= iwl4965_load_bsm
,
2520 .dump_nic_event_log
= iwl_dump_nic_event_log
,
2521 .dump_nic_error_log
= iwl_dump_nic_error_log
,
2522 .dump_fh
= iwl_dump_fh
,
2523 .set_channel_switch
= iwl4965_hw_channel_switch
,
2525 .init
= iwl_apm_init
,
2526 .config
= iwl4965_nic_config
,
2529 .regulatory_bands
= {
2530 EEPROM_REGULATORY_BAND_1_CHANNELS
,
2531 EEPROM_REGULATORY_BAND_2_CHANNELS
,
2532 EEPROM_REGULATORY_BAND_3_CHANNELS
,
2533 EEPROM_REGULATORY_BAND_4_CHANNELS
,
2534 EEPROM_REGULATORY_BAND_5_CHANNELS
,
2535 EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS
,
2536 EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS
2538 .acquire_semaphore
= iwlcore_eeprom_acquire_semaphore
,
2539 .release_semaphore
= iwlcore_eeprom_release_semaphore
,
2540 .calib_version
= iwl4965_eeprom_calib_version
,
2541 .query_addr
= iwlcore_eeprom_query_addr
,
2543 .send_tx_power
= iwl4965_send_tx_power
,
2544 .update_chain_flags
= iwl_update_chain_flags
,
2546 .isr
= iwl_isr_legacy
,
2549 .temperature
= iwl4965_temperature_calib
,
2552 .rx_stats_read
= iwl_ucode_rx_stats_read
,
2553 .tx_stats_read
= iwl_ucode_tx_stats_read
,
2554 .general_stats_read
= iwl_ucode_general_stats_read
,
2555 .bt_stats_read
= iwl_ucode_bt_stats_read
,
2556 .reply_tx_error
= iwl_reply_tx_error_read
,
2558 .check_plcp_health
= iwl_good_plcp_health
,
2561 static const struct iwl_legacy_ops iwl4965_legacy_ops
= {
2562 .post_associate
= iwl4965_post_associate
,
2563 .config_ap
= iwl4965_config_ap
,
2564 .manage_ibss_station
= iwlagn_manage_ibss_station
,
2565 .update_bcast_stations
= iwl_update_bcast_stations
,
2568 struct ieee80211_ops iwl4965_hw_ops
= {
2569 .tx
= iwlagn_mac_tx
,
2570 .start
= iwlagn_mac_start
,
2571 .stop
= iwlagn_mac_stop
,
2572 .add_interface
= iwl_mac_add_interface
,
2573 .remove_interface
= iwl_mac_remove_interface
,
2574 .change_interface
= iwl_mac_change_interface
,
2575 .config
= iwl_legacy_mac_config
,
2576 .configure_filter
= iwlagn_configure_filter
,
2577 .set_key
= iwlagn_mac_set_key
,
2578 .update_tkip_key
= iwlagn_mac_update_tkip_key
,
2579 .conf_tx
= iwl_mac_conf_tx
,
2580 .reset_tsf
= iwl_legacy_mac_reset_tsf
,
2581 .bss_info_changed
= iwl_legacy_mac_bss_info_changed
,
2582 .ampdu_action
= iwlagn_mac_ampdu_action
,
2583 .hw_scan
= iwl_mac_hw_scan
,
2584 .sta_add
= iwlagn_mac_sta_add
,
2585 .sta_remove
= iwl_mac_sta_remove
,
2586 .channel_switch
= iwlagn_mac_channel_switch
,
2587 .flush
= iwlagn_mac_flush
,
2588 .tx_last_beacon
= iwl_mac_tx_last_beacon
,
2591 static const struct iwl_ops iwl4965_ops
= {
2592 .lib
= &iwl4965_lib
,
2593 .hcmd
= &iwl4965_hcmd
,
2594 .utils
= &iwl4965_hcmd_utils
,
2595 .led
= &iwlagn_led_ops
,
2596 .legacy
= &iwl4965_legacy_ops
,
2597 .ieee80211_ops
= &iwl4965_hw_ops
,
2600 static struct iwl_base_params iwl4965_base_params
= {
2601 .eeprom_size
= IWL4965_EEPROM_IMG_SIZE
,
2602 .num_of_queues
= IWL49_NUM_QUEUES
,
2603 .num_of_ampdu_queues
= IWL49_NUM_AMPDU_QUEUES
,
2607 .use_isr_legacy
= true,
2608 .broken_powersave
= true,
2609 .led_compensation
= 61,
2610 .chain_noise_num_beacons
= IWL4965_CAL_NUM_BEACONS
,
2611 .plcp_delta_threshold
= IWL_MAX_PLCP_ERR_THRESHOLD_DEF
,
2612 .wd_timeout
= IWL_DEF_WD_TIMEOUT
,
2613 .temperature_kelvin
= true,
2614 .max_event_log_size
= 512,
2615 .tx_power_by_driver
= true,
2616 .ucode_tracing
= true,
2617 .sensitivity_calib_by_driver
= true,
2618 .chain_noise_calib_by_driver
= true,
2619 .no_agg_framecnt_info
= true,
2622 struct iwl_cfg iwl4965_agn_cfg
= {
2623 .name
= "Intel(R) Wireless WiFi Link 4965AGN",
2624 .fw_name_pre
= IWL4965_FW_PRE
,
2625 .ucode_api_max
= IWL4965_UCODE_API_MAX
,
2626 .ucode_api_min
= IWL4965_UCODE_API_MIN
,
2627 .valid_tx_ant
= ANT_AB
,
2628 .valid_rx_ant
= ANT_ABC
,
2629 .eeprom_ver
= EEPROM_4965_EEPROM_VERSION
,
2630 .eeprom_calib_ver
= EEPROM_4965_TX_POWER_VERSION
,
2631 .ops
= &iwl4965_ops
,
2632 .mod_params
= &iwlagn_mod_params
,
2633 .base_params
= &iwl4965_base_params
,
2634 .led_mode
= IWL_LED_BLINK
,
2636 * Force use of chains B and C for scan RX on 5 GHz band
2637 * because the device has off-channel reception on chain A.
2639 .scan_rx_antennas
[IEEE80211_BAND_5GHZ
] = ANT_BC
,
2642 /* Module firmware */
2643 MODULE_FIRMWARE(IWL4965_MODULE_FIRMWARE(IWL4965_UCODE_API_MAX
));