1 /******************************************************************************
3 * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
24 * Contact Information:
25 * James P. Ketrenos <ipw2100-admin@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/init.h>
33 #include <linux/pci.h>
34 #include <linux/dma-mapping.h>
35 #include <linux/delay.h>
36 #include <linux/skbuff.h>
37 #include <linux/netdevice.h>
38 #include <linux/wireless.h>
39 #include <linux/firmware.h>
40 #include <linux/etherdevice.h>
41 #include <linux/if_arp.h>
43 #include <net/mac80211.h>
45 #include <asm/div64.h>
47 #include "iwl-eeprom.h"
51 #include "iwl-helpers.h"
53 #include "iwl-calib.h"
56 /******************************************************************************
60 ******************************************************************************/
63 * module name, copyright, version, etc.
64 * NOTE: DRV_NAME is defined in iwlwifi.h for use by iwl-debug.h and printk
67 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux"
69 #ifdef CONFIG_IWLWIFI_DEBUG
75 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
81 #define DRV_VERSION IWLWIFI_VERSION VD VS
84 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
85 MODULE_VERSION(DRV_VERSION
);
86 MODULE_AUTHOR(DRV_COPYRIGHT
);
87 MODULE_LICENSE("GPL");
88 MODULE_ALIAS("iwl4965");
90 /*************** STATION TABLE MANAGEMENT ****
91 * mac80211 should be examined to determine if sta_info is duplicating
92 * the functionality provided here
95 /**************************************************************/
99 static void iwl4965_set_rxon_hwcrypto(struct iwl_priv
*priv
, int hw_decrypt
)
101 struct iwl_rxon_cmd
*rxon
= &priv
->staging_rxon
;
104 rxon
->filter_flags
&= ~RXON_FILTER_DIS_DECRYPT_MSK
;
106 rxon
->filter_flags
|= RXON_FILTER_DIS_DECRYPT_MSK
;
111 * iwl4965_check_rxon_cmd - validate RXON structure is valid
113 * NOTE: This is really only useful during development and can eventually
114 * be #ifdef'd out once the driver is stable and folks aren't actively
117 static int iwl4965_check_rxon_cmd(struct iwl_rxon_cmd
*rxon
)
122 if (rxon
->flags
& RXON_FLG_BAND_24G_MSK
) {
123 error
|= le32_to_cpu(rxon
->flags
&
124 (RXON_FLG_TGJ_NARROW_BAND_MSK
|
125 RXON_FLG_RADAR_DETECT_MSK
));
127 IWL_WARNING("check 24G fields %d | %d\n",
130 error
|= (rxon
->flags
& RXON_FLG_SHORT_SLOT_MSK
) ?
131 0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK
);
133 IWL_WARNING("check 52 fields %d | %d\n",
135 error
|= le32_to_cpu(rxon
->flags
& RXON_FLG_CCK_MSK
);
137 IWL_WARNING("check 52 CCK %d | %d\n",
140 error
|= (rxon
->node_addr
[0] | rxon
->bssid_addr
[0]) & 0x1;
142 IWL_WARNING("check mac addr %d | %d\n", counter
++, error
);
144 /* make sure basic rates 6Mbps and 1Mbps are supported */
145 error
|= (((rxon
->ofdm_basic_rates
& IWL_RATE_6M_MASK
) == 0) &&
146 ((rxon
->cck_basic_rates
& IWL_RATE_1M_MASK
) == 0));
148 IWL_WARNING("check basic rate %d | %d\n", counter
++, error
);
150 error
|= (le16_to_cpu(rxon
->assoc_id
) > 2007);
152 IWL_WARNING("check assoc id %d | %d\n", counter
++, error
);
154 error
|= ((rxon
->flags
& (RXON_FLG_CCK_MSK
| RXON_FLG_SHORT_SLOT_MSK
))
155 == (RXON_FLG_CCK_MSK
| RXON_FLG_SHORT_SLOT_MSK
));
157 IWL_WARNING("check CCK and short slot %d | %d\n",
160 error
|= ((rxon
->flags
& (RXON_FLG_CCK_MSK
| RXON_FLG_AUTO_DETECT_MSK
))
161 == (RXON_FLG_CCK_MSK
| RXON_FLG_AUTO_DETECT_MSK
));
163 IWL_WARNING("check CCK & auto detect %d | %d\n",
166 error
|= ((rxon
->flags
& (RXON_FLG_AUTO_DETECT_MSK
|
167 RXON_FLG_TGG_PROTECT_MSK
)) == RXON_FLG_TGG_PROTECT_MSK
);
169 IWL_WARNING("check TGG and auto detect %d | %d\n",
173 IWL_WARNING("Tuning to channel %d\n",
174 le16_to_cpu(rxon
->channel
));
177 IWL_ERROR("Not a valid iwl4965_rxon_assoc_cmd field values\n");
184 * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
185 * @priv: staging_rxon is compared to active_rxon
187 * If the RXON structure is changing enough to require a new tune,
188 * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
189 * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
191 static int iwl_full_rxon_required(struct iwl_priv
*priv
)
194 /* These items are only settable from the full RXON command */
195 if (!(iwl_is_associated(priv
)) ||
196 compare_ether_addr(priv
->staging_rxon
.bssid_addr
,
197 priv
->active_rxon
.bssid_addr
) ||
198 compare_ether_addr(priv
->staging_rxon
.node_addr
,
199 priv
->active_rxon
.node_addr
) ||
200 compare_ether_addr(priv
->staging_rxon
.wlap_bssid_addr
,
201 priv
->active_rxon
.wlap_bssid_addr
) ||
202 (priv
->staging_rxon
.dev_type
!= priv
->active_rxon
.dev_type
) ||
203 (priv
->staging_rxon
.channel
!= priv
->active_rxon
.channel
) ||
204 (priv
->staging_rxon
.air_propagation
!=
205 priv
->active_rxon
.air_propagation
) ||
206 (priv
->staging_rxon
.ofdm_ht_single_stream_basic_rates
!=
207 priv
->active_rxon
.ofdm_ht_single_stream_basic_rates
) ||
208 (priv
->staging_rxon
.ofdm_ht_dual_stream_basic_rates
!=
209 priv
->active_rxon
.ofdm_ht_dual_stream_basic_rates
) ||
210 (priv
->staging_rxon
.assoc_id
!= priv
->active_rxon
.assoc_id
))
213 /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
214 * be updated with the RXON_ASSOC command -- however only some
215 * flag transitions are allowed using RXON_ASSOC */
217 /* Check if we are not switching bands */
218 if ((priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) !=
219 (priv
->active_rxon
.flags
& RXON_FLG_BAND_24G_MSK
))
222 /* Check if we are switching association toggle */
223 if ((priv
->staging_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) !=
224 (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
))
231 * iwl4965_commit_rxon - commit staging_rxon to hardware
233 * The RXON command in staging_rxon is committed to the hardware and
234 * the active_rxon structure is updated with the new data. This
235 * function correctly transitions out of the RXON_ASSOC_MSK state if
236 * a HW tune is required based on the RXON structure changes.
238 static int iwl4965_commit_rxon(struct iwl_priv
*priv
)
240 /* cast away the const for active_rxon in this function */
241 struct iwl_rxon_cmd
*active_rxon
= (void *)&priv
->active_rxon
;
244 !!(priv
->staging_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
);
246 if (!iwl_is_alive(priv
))
249 /* always get timestamp with Rx frame */
250 priv
->staging_rxon
.flags
|= RXON_FLG_TSF2HOST_MSK
;
251 /* allow CTS-to-self if possible. this is relevant only for
252 * 5000, but will not damage 4965 */
253 priv
->staging_rxon
.flags
|= RXON_FLG_SELF_CTS_EN
;
255 ret
= iwl4965_check_rxon_cmd(&priv
->staging_rxon
);
257 IWL_ERROR("Invalid RXON configuration. Not committing.\n");
261 /* If we don't need to send a full RXON, we can use
262 * iwl4965_rxon_assoc_cmd which is used to reconfigure filter
263 * and other flags for the current radio configuration. */
264 if (!iwl_full_rxon_required(priv
)) {
265 ret
= iwl_send_rxon_assoc(priv
);
267 IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret
);
271 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
275 /* station table will be cleared */
276 priv
->assoc_station_added
= 0;
278 /* If we are currently associated and the new config requires
279 * an RXON_ASSOC and the new config wants the associated mask enabled,
280 * we must clear the associated from the active configuration
281 * before we apply the new config */
282 if (iwl_is_associated(priv
) && new_assoc
) {
283 IWL_DEBUG_INFO("Toggling associated bit on current RXON\n");
284 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
286 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
287 sizeof(struct iwl_rxon_cmd
),
290 /* If the mask clearing failed then we set
291 * active_rxon back to what it was previously */
293 active_rxon
->filter_flags
|= RXON_FILTER_ASSOC_MSK
;
294 IWL_ERROR("Error clearing ASSOC_MSK (%d)\n", ret
);
299 IWL_DEBUG_INFO("Sending RXON\n"
300 "* with%s RXON_FILTER_ASSOC_MSK\n"
303 (new_assoc
? "" : "out"),
304 le16_to_cpu(priv
->staging_rxon
.channel
),
305 priv
->staging_rxon
.bssid_addr
);
307 iwl4965_set_rxon_hwcrypto(priv
, !priv
->hw_params
.sw_crypto
);
309 /* Apply the new configuration
310 * RXON unassoc clears the station table in uCode, send it before
311 * we add the bcast station. If assoc bit is set, we will send RXON
312 * after having added the bcast and bssid station.
315 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
316 sizeof(struct iwl_rxon_cmd
), &priv
->staging_rxon
);
318 IWL_ERROR("Error setting new RXON (%d)\n", ret
);
321 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
324 iwl_clear_stations_table(priv
);
326 if (!priv
->error_recovering
)
327 priv
->start_calib
= 0;
329 /* Add the broadcast address so we can send broadcast frames */
330 if (iwl_rxon_add_station(priv
, iwl_bcast_addr
, 0) ==
331 IWL_INVALID_STATION
) {
332 IWL_ERROR("Error adding BROADCAST address for transmit.\n");
336 /* If we have set the ASSOC_MSK and we are in BSS mode then
337 * add the IWL_AP_ID to the station rate table */
339 if (priv
->iw_mode
== NL80211_IFTYPE_STATION
) {
340 ret
= iwl_rxon_add_station(priv
,
341 priv
->active_rxon
.bssid_addr
, 1);
342 if (ret
== IWL_INVALID_STATION
) {
343 IWL_ERROR("Error adding AP address for TX.\n");
346 priv
->assoc_station_added
= 1;
347 if (priv
->default_wep_key
&&
348 iwl_send_static_wepkey_cmd(priv
, 0))
349 IWL_ERROR("Could not send WEP static key.\n");
352 /* Apply the new configuration
353 * RXON assoc doesn't clear the station table in uCode,
355 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
356 sizeof(struct iwl_rxon_cmd
), &priv
->staging_rxon
);
358 IWL_ERROR("Error setting new RXON (%d)\n", ret
);
361 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
364 iwl_init_sensitivity(priv
);
366 /* If we issue a new RXON command which required a tune then we must
367 * send a new TXPOWER command or we won't be able to Tx any frames */
368 ret
= iwl_set_tx_power(priv
, priv
->tx_power_user_lmt
, true);
370 IWL_ERROR("Error sending TX power (%d)\n", ret
);
377 void iwl4965_update_chain_flags(struct iwl_priv
*priv
)
380 iwl_set_rxon_chain(priv
);
381 iwl4965_commit_rxon(priv
);
384 static int iwl4965_send_bt_config(struct iwl_priv
*priv
)
386 struct iwl4965_bt_cmd bt_cmd
= {
394 return iwl_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
395 sizeof(struct iwl4965_bt_cmd
), &bt_cmd
);
398 static void iwl_clear_free_frames(struct iwl_priv
*priv
)
400 struct list_head
*element
;
402 IWL_DEBUG_INFO("%d frames on pre-allocated heap on clear.\n",
405 while (!list_empty(&priv
->free_frames
)) {
406 element
= priv
->free_frames
.next
;
408 kfree(list_entry(element
, struct iwl_frame
, list
));
409 priv
->frames_count
--;
412 if (priv
->frames_count
) {
413 IWL_WARNING("%d frames still in use. Did we lose one?\n",
415 priv
->frames_count
= 0;
419 static struct iwl_frame
*iwl_get_free_frame(struct iwl_priv
*priv
)
421 struct iwl_frame
*frame
;
422 struct list_head
*element
;
423 if (list_empty(&priv
->free_frames
)) {
424 frame
= kzalloc(sizeof(*frame
), GFP_KERNEL
);
426 IWL_ERROR("Could not allocate frame!\n");
430 priv
->frames_count
++;
434 element
= priv
->free_frames
.next
;
436 return list_entry(element
, struct iwl_frame
, list
);
439 static void iwl_free_frame(struct iwl_priv
*priv
, struct iwl_frame
*frame
)
441 memset(frame
, 0, sizeof(*frame
));
442 list_add(&frame
->list
, &priv
->free_frames
);
445 static unsigned int iwl_fill_beacon_frame(struct iwl_priv
*priv
,
446 struct ieee80211_hdr
*hdr
,
447 const u8
*dest
, int left
)
449 if (!iwl_is_associated(priv
) || !priv
->ibss_beacon
||
450 ((priv
->iw_mode
!= NL80211_IFTYPE_ADHOC
) &&
451 (priv
->iw_mode
!= NL80211_IFTYPE_AP
)))
454 if (priv
->ibss_beacon
->len
> left
)
457 memcpy(hdr
, priv
->ibss_beacon
->data
, priv
->ibss_beacon
->len
);
459 return priv
->ibss_beacon
->len
;
462 static u8
iwl4965_rate_get_lowest_plcp(struct iwl_priv
*priv
)
468 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
469 rate_mask
= priv
->active_rate_basic
& 0xF;
471 rate_mask
= priv
->active_rate_basic
& 0xFF0;
473 /* Find lowest valid rate */
474 for (i
= IWL_RATE_1M_INDEX
; i
!= IWL_RATE_INVALID
;
475 i
= iwl_rates
[i
].next_ieee
) {
476 if (rate_mask
& (1 << i
))
477 return iwl_rates
[i
].plcp
;
480 /* No valid rate was found. Assign the lowest one */
481 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
482 return IWL_RATE_1M_PLCP
;
484 return IWL_RATE_6M_PLCP
;
487 static unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv
*priv
,
488 struct iwl_frame
*frame
, u8 rate
)
490 struct iwl_tx_beacon_cmd
*tx_beacon_cmd
;
491 unsigned int frame_size
;
493 tx_beacon_cmd
= &frame
->u
.beacon
;
494 memset(tx_beacon_cmd
, 0, sizeof(*tx_beacon_cmd
));
496 tx_beacon_cmd
->tx
.sta_id
= priv
->hw_params
.bcast_sta_id
;
497 tx_beacon_cmd
->tx
.stop_time
.life_time
= TX_CMD_LIFE_TIME_INFINITE
;
499 frame_size
= iwl_fill_beacon_frame(priv
, tx_beacon_cmd
->frame
,
501 sizeof(frame
->u
) - sizeof(*tx_beacon_cmd
));
503 BUG_ON(frame_size
> MAX_MPDU_SIZE
);
504 tx_beacon_cmd
->tx
.len
= cpu_to_le16((u16
)frame_size
);
506 if ((rate
== IWL_RATE_1M_PLCP
) || (rate
>= IWL_RATE_2M_PLCP
))
507 tx_beacon_cmd
->tx
.rate_n_flags
=
508 iwl_hw_set_rate_n_flags(rate
, RATE_MCS_CCK_MSK
);
510 tx_beacon_cmd
->tx
.rate_n_flags
=
511 iwl_hw_set_rate_n_flags(rate
, 0);
513 tx_beacon_cmd
->tx
.tx_flags
= TX_CMD_FLG_SEQ_CTL_MSK
|
515 TX_CMD_FLG_STA_RATE_MSK
;
517 return sizeof(*tx_beacon_cmd
) + frame_size
;
519 static int iwl4965_send_beacon_cmd(struct iwl_priv
*priv
)
521 struct iwl_frame
*frame
;
522 unsigned int frame_size
;
526 frame
= iwl_get_free_frame(priv
);
529 IWL_ERROR("Could not obtain free frame buffer for beacon "
534 rate
= iwl4965_rate_get_lowest_plcp(priv
);
536 frame_size
= iwl4965_hw_get_beacon_cmd(priv
, frame
, rate
);
538 rc
= iwl_send_cmd_pdu(priv
, REPLY_TX_BEACON
, frame_size
,
541 iwl_free_frame(priv
, frame
);
546 /******************************************************************************
548 * Misc. internal state and helper functions
550 ******************************************************************************/
552 static void iwl4965_ht_conf(struct iwl_priv
*priv
,
553 struct ieee80211_bss_conf
*bss_conf
)
555 struct ieee80211_ht_info
*ht_conf
= bss_conf
->ht_conf
;
556 struct ieee80211_ht_bss_info
*ht_bss_conf
= bss_conf
->ht_bss_conf
;
557 struct iwl_ht_info
*iwl_conf
= &priv
->current_ht_config
;
559 IWL_DEBUG_MAC80211("enter: \n");
561 iwl_conf
->is_ht
= bss_conf
->assoc_ht
;
563 if (!iwl_conf
->is_ht
)
566 if (ht_conf
->cap
& IEEE80211_HT_CAP_SGI_20
)
567 iwl_conf
->sgf
|= HT_SHORT_GI_20MHZ
;
568 if (ht_conf
->cap
& IEEE80211_HT_CAP_SGI_40
)
569 iwl_conf
->sgf
|= HT_SHORT_GI_40MHZ
;
571 iwl_conf
->is_green_field
= !!(ht_conf
->cap
& IEEE80211_HT_CAP_GRN_FLD
);
572 iwl_conf
->max_amsdu_size
=
573 !!(ht_conf
->cap
& IEEE80211_HT_CAP_MAX_AMSDU
);
575 iwl_conf
->supported_chan_width
=
576 !!(ht_conf
->cap
& IEEE80211_HT_CAP_SUP_WIDTH
);
577 iwl_conf
->extension_chan_offset
=
578 ht_bss_conf
->bss_cap
& IEEE80211_HT_IE_CHA_SEC_OFFSET
;
579 /* If no above or below channel supplied disable FAT channel */
580 if (iwl_conf
->extension_chan_offset
!= IEEE80211_HT_IE_CHA_SEC_ABOVE
&&
581 iwl_conf
->extension_chan_offset
!= IEEE80211_HT_IE_CHA_SEC_BELOW
) {
582 iwl_conf
->extension_chan_offset
= IEEE80211_HT_IE_CHA_SEC_NONE
;
583 iwl_conf
->supported_chan_width
= 0;
586 iwl_conf
->sm_ps
= (u8
)((ht_conf
->cap
& IEEE80211_HT_CAP_SM_PS
) >> 2);
588 memcpy(iwl_conf
->supp_mcs_set
, ht_conf
->supp_mcs_set
, 16);
590 iwl_conf
->control_channel
= ht_bss_conf
->primary_channel
;
591 iwl_conf
->tx_chan_width
=
592 !!(ht_bss_conf
->bss_cap
& IEEE80211_HT_IE_CHA_WIDTH
);
593 iwl_conf
->ht_protection
=
594 ht_bss_conf
->bss_op_mode
& IEEE80211_HT_IE_HT_PROTECTION
;
595 iwl_conf
->non_GF_STA_present
=
596 !!(ht_bss_conf
->bss_op_mode
& IEEE80211_HT_IE_NON_GF_STA_PRSNT
);
598 IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf
->control_channel
);
599 IWL_DEBUG_MAC80211("leave\n");
605 static void iwl_activate_qos(struct iwl_priv
*priv
, u8 force
)
607 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
610 if (!priv
->qos_data
.qos_enable
)
613 priv
->qos_data
.def_qos_parm
.qos_flags
= 0;
615 if (priv
->qos_data
.qos_cap
.q_AP
.queue_request
&&
616 !priv
->qos_data
.qos_cap
.q_AP
.txop_request
)
617 priv
->qos_data
.def_qos_parm
.qos_flags
|=
618 QOS_PARAM_FLG_TXOP_TYPE_MSK
;
619 if (priv
->qos_data
.qos_active
)
620 priv
->qos_data
.def_qos_parm
.qos_flags
|=
621 QOS_PARAM_FLG_UPDATE_EDCA_MSK
;
623 if (priv
->current_ht_config
.is_ht
)
624 priv
->qos_data
.def_qos_parm
.qos_flags
|= QOS_PARAM_FLG_TGN_MSK
;
626 if (force
|| iwl_is_associated(priv
)) {
627 IWL_DEBUG_QOS("send QoS cmd with Qos active=%d FLAGS=0x%X\n",
628 priv
->qos_data
.qos_active
,
629 priv
->qos_data
.def_qos_parm
.qos_flags
);
631 iwl_send_cmd_pdu_async(priv
, REPLY_QOS_PARAM
,
632 sizeof(struct iwl_qosparam_cmd
),
633 &priv
->qos_data
.def_qos_parm
, NULL
);
637 #define MAX_UCODE_BEACON_INTERVAL 4096
639 static u16
iwl_adjust_beacon_interval(u16 beacon_val
)
642 u16 beacon_factor
= 0;
644 beacon_factor
= (beacon_val
+ MAX_UCODE_BEACON_INTERVAL
)
645 / MAX_UCODE_BEACON_INTERVAL
;
646 new_val
= beacon_val
/ beacon_factor
;
651 static void iwl_setup_rxon_timing(struct iwl_priv
*priv
)
654 s32 interval_tm
, rem
;
656 struct ieee80211_conf
*conf
= NULL
;
659 conf
= ieee80211_get_hw_conf(priv
->hw
);
661 spin_lock_irqsave(&priv
->lock
, flags
);
662 priv
->rxon_timing
.timestamp
= cpu_to_le64(priv
->timestamp
);
663 priv
->rxon_timing
.listen_interval
= cpu_to_le16(conf
->listen_interval
);
665 if (priv
->iw_mode
== NL80211_IFTYPE_STATION
) {
666 beacon_int
= iwl_adjust_beacon_interval(priv
->beacon_int
);
667 priv
->rxon_timing
.atim_window
= 0;
669 beacon_int
= iwl_adjust_beacon_interval(conf
->beacon_int
);
671 /* TODO: we need to get atim_window from upper stack
672 * for now we set to 0 */
673 priv
->rxon_timing
.atim_window
= 0;
676 priv
->rxon_timing
.beacon_interval
= cpu_to_le16(beacon_int
);
678 tsf
= priv
->timestamp
; /* tsf is modifed by do_div: copy it */
679 interval_tm
= beacon_int
* 1024;
680 rem
= do_div(tsf
, interval_tm
);
681 priv
->rxon_timing
.beacon_init_val
= cpu_to_le32(interval_tm
- rem
);
683 spin_unlock_irqrestore(&priv
->lock
, flags
);
684 IWL_DEBUG_ASSOC("beacon interval %d beacon timer %d beacon tim %d\n",
685 le16_to_cpu(priv
->rxon_timing
.beacon_interval
),
686 le32_to_cpu(priv
->rxon_timing
.beacon_init_val
),
687 le16_to_cpu(priv
->rxon_timing
.atim_window
));
690 static void iwl_set_flags_for_band(struct iwl_priv
*priv
,
691 enum ieee80211_band band
)
693 if (band
== IEEE80211_BAND_5GHZ
) {
694 priv
->staging_rxon
.flags
&=
695 ~(RXON_FLG_BAND_24G_MSK
| RXON_FLG_AUTO_DETECT_MSK
697 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
699 /* Copied from iwl4965_post_associate() */
700 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_SLOT_TIME
)
701 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
703 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
705 if (priv
->iw_mode
== NL80211_IFTYPE_ADHOC
)
706 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
708 priv
->staging_rxon
.flags
|= RXON_FLG_BAND_24G_MSK
;
709 priv
->staging_rxon
.flags
|= RXON_FLG_AUTO_DETECT_MSK
;
710 priv
->staging_rxon
.flags
&= ~RXON_FLG_CCK_MSK
;
715 * initialize rxon structure with default values from eeprom
717 static void iwl4965_connection_init_rx_config(struct iwl_priv
*priv
)
719 const struct iwl_channel_info
*ch_info
;
721 memset(&priv
->staging_rxon
, 0, sizeof(priv
->staging_rxon
));
723 switch (priv
->iw_mode
) {
724 case NL80211_IFTYPE_AP
:
725 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_AP
;
728 case NL80211_IFTYPE_STATION
:
729 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_ESS
;
730 priv
->staging_rxon
.filter_flags
= RXON_FILTER_ACCEPT_GRP_MSK
;
733 case NL80211_IFTYPE_ADHOC
:
734 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_IBSS
;
735 priv
->staging_rxon
.flags
= RXON_FLG_SHORT_PREAMBLE_MSK
;
736 priv
->staging_rxon
.filter_flags
= RXON_FILTER_BCON_AWARE_MSK
|
737 RXON_FILTER_ACCEPT_GRP_MSK
;
740 case NL80211_IFTYPE_MONITOR
:
741 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_SNIFFER
;
742 priv
->staging_rxon
.filter_flags
= RXON_FILTER_PROMISC_MSK
|
743 RXON_FILTER_CTL2HOST_MSK
| RXON_FILTER_ACCEPT_GRP_MSK
;
746 IWL_ERROR("Unsupported interface type %d\n", priv
->iw_mode
);
751 /* TODO: Figure out when short_preamble would be set and cache from
753 if (!hw_to_local(priv
->hw
)->short_preamble
)
754 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
756 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
759 ch_info
= iwl_get_channel_info(priv
, priv
->band
,
760 le16_to_cpu(priv
->active_rxon
.channel
));
763 ch_info
= &priv
->channel_info
[0];
766 * in some case A channels are all non IBSS
767 * in this case force B/G channel
769 if ((priv
->iw_mode
== NL80211_IFTYPE_ADHOC
) &&
770 !(is_channel_ibss(ch_info
)))
771 ch_info
= &priv
->channel_info
[0];
773 priv
->staging_rxon
.channel
= cpu_to_le16(ch_info
->channel
);
774 priv
->band
= ch_info
->band
;
776 iwl_set_flags_for_band(priv
, priv
->band
);
778 priv
->staging_rxon
.ofdm_basic_rates
=
779 (IWL_OFDM_RATES_MASK
>> IWL_FIRST_OFDM_RATE
) & 0xFF;
780 priv
->staging_rxon
.cck_basic_rates
=
781 (IWL_CCK_RATES_MASK
>> IWL_FIRST_CCK_RATE
) & 0xF;
783 priv
->staging_rxon
.flags
&= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK
|
784 RXON_FLG_CHANNEL_MODE_PURE_40_MSK
);
785 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
786 memcpy(priv
->staging_rxon
.wlap_bssid_addr
, priv
->mac_addr
, ETH_ALEN
);
787 priv
->staging_rxon
.ofdm_ht_single_stream_basic_rates
= 0xff;
788 priv
->staging_rxon
.ofdm_ht_dual_stream_basic_rates
= 0xff;
789 iwl_set_rxon_chain(priv
);
792 static int iwl4965_set_mode(struct iwl_priv
*priv
, int mode
)
794 priv
->iw_mode
= mode
;
796 iwl4965_connection_init_rx_config(priv
);
797 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
799 iwl_clear_stations_table(priv
);
801 /* dont commit rxon if rf-kill is on*/
802 if (!iwl_is_ready_rf(priv
))
805 cancel_delayed_work(&priv
->scan_check
);
806 if (iwl_scan_cancel_timeout(priv
, 100)) {
807 IWL_WARNING("Aborted scan still in progress after 100ms\n");
808 IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
812 iwl4965_commit_rxon(priv
);
817 static void iwl4965_set_rate(struct iwl_priv
*priv
)
819 const struct ieee80211_supported_band
*hw
= NULL
;
820 struct ieee80211_rate
*rate
;
823 hw
= iwl_get_hw_mode(priv
, priv
->band
);
825 IWL_ERROR("Failed to set rate: unable to get hw mode\n");
829 priv
->active_rate
= 0;
830 priv
->active_rate_basic
= 0;
832 for (i
= 0; i
< hw
->n_bitrates
; i
++) {
833 rate
= &(hw
->bitrates
[i
]);
834 if (rate
->hw_value
< IWL_RATE_COUNT
)
835 priv
->active_rate
|= (1 << rate
->hw_value
);
838 IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n",
839 priv
->active_rate
, priv
->active_rate_basic
);
842 * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK)
843 * otherwise set it to the default of all CCK rates and 6, 12, 24 for
846 if (priv
->active_rate_basic
& IWL_CCK_BASIC_RATES_MASK
)
847 priv
->staging_rxon
.cck_basic_rates
=
848 ((priv
->active_rate_basic
&
849 IWL_CCK_RATES_MASK
) >> IWL_FIRST_CCK_RATE
) & 0xF;
851 priv
->staging_rxon
.cck_basic_rates
=
852 (IWL_CCK_BASIC_RATES_MASK
>> IWL_FIRST_CCK_RATE
) & 0xF;
854 if (priv
->active_rate_basic
& IWL_OFDM_BASIC_RATES_MASK
)
855 priv
->staging_rxon
.ofdm_basic_rates
=
856 ((priv
->active_rate_basic
&
857 (IWL_OFDM_BASIC_RATES_MASK
| IWL_RATE_6M_MASK
)) >>
858 IWL_FIRST_OFDM_RATE
) & 0xFF;
860 priv
->staging_rxon
.ofdm_basic_rates
=
861 (IWL_OFDM_BASIC_RATES_MASK
>> IWL_FIRST_OFDM_RATE
) & 0xFF;
864 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
866 #include "iwl-spectrum.h"
868 #define BEACON_TIME_MASK_LOW 0x00FFFFFF
869 #define BEACON_TIME_MASK_HIGH 0xFF000000
870 #define TIME_UNIT 1024
873 * extended beacon time format
874 * time in usec will be changed into a 32-bit value in 8:24 format
875 * the high 1 byte is the beacon counts
876 * the lower 3 bytes is the time in usec within one beacon interval
879 static u32
iwl4965_usecs_to_beacons(u32 usec
, u32 beacon_interval
)
883 u32 interval
= beacon_interval
* 1024;
885 if (!interval
|| !usec
)
888 quot
= (usec
/ interval
) & (BEACON_TIME_MASK_HIGH
>> 24);
889 rem
= (usec
% interval
) & BEACON_TIME_MASK_LOW
;
891 return (quot
<< 24) + rem
;
894 /* base is usually what we get from ucode with each received frame,
895 * the same as HW timer counter counting down
898 static __le32
iwl4965_add_beacon_time(u32 base
, u32 addon
, u32 beacon_interval
)
900 u32 base_low
= base
& BEACON_TIME_MASK_LOW
;
901 u32 addon_low
= addon
& BEACON_TIME_MASK_LOW
;
902 u32 interval
= beacon_interval
* TIME_UNIT
;
903 u32 res
= (base
& BEACON_TIME_MASK_HIGH
) +
904 (addon
& BEACON_TIME_MASK_HIGH
);
906 if (base_low
> addon_low
)
907 res
+= base_low
- addon_low
;
908 else if (base_low
< addon_low
) {
909 res
+= interval
+ base_low
- addon_low
;
914 return cpu_to_le32(res
);
917 static int iwl4965_get_measurement(struct iwl_priv
*priv
,
918 struct ieee80211_measurement_params
*params
,
921 struct iwl4965_spectrum_cmd spectrum
;
922 struct iwl_rx_packet
*res
;
923 struct iwl_host_cmd cmd
= {
924 .id
= REPLY_SPECTRUM_MEASUREMENT_CMD
,
925 .data
= (void *)&spectrum
,
926 .meta
.flags
= CMD_WANT_SKB
,
928 u32 add_time
= le64_to_cpu(params
->start_time
);
930 int spectrum_resp_status
;
931 int duration
= le16_to_cpu(params
->duration
);
933 if (iwl_is_associated(priv
))
935 iwl4965_usecs_to_beacons(
936 le64_to_cpu(params
->start_time
) - priv
->last_tsf
,
937 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
939 memset(&spectrum
, 0, sizeof(spectrum
));
941 spectrum
.channel_count
= cpu_to_le16(1);
943 RXON_FLG_TSF2HOST_MSK
| RXON_FLG_ANT_A_MSK
| RXON_FLG_DIS_DIV_MSK
;
944 spectrum
.filter_flags
= MEASUREMENT_FILTER_FLAG
;
945 cmd
.len
= sizeof(spectrum
);
946 spectrum
.len
= cpu_to_le16(cmd
.len
- sizeof(spectrum
.len
));
948 if (iwl_is_associated(priv
))
949 spectrum
.start_time
=
950 iwl4965_add_beacon_time(priv
->last_beacon_time
,
952 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
954 spectrum
.start_time
= 0;
956 spectrum
.channels
[0].duration
= cpu_to_le32(duration
* TIME_UNIT
);
957 spectrum
.channels
[0].channel
= params
->channel
;
958 spectrum
.channels
[0].type
= type
;
959 if (priv
->active_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
960 spectrum
.flags
|= RXON_FLG_BAND_24G_MSK
|
961 RXON_FLG_AUTO_DETECT_MSK
| RXON_FLG_TGG_PROTECT_MSK
;
963 rc
= iwl_send_cmd_sync(priv
, &cmd
);
967 res
= (struct iwl_rx_packet
*)cmd
.meta
.u
.skb
->data
;
968 if (res
->hdr
.flags
& IWL_CMD_FAILED_MSK
) {
969 IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n");
973 spectrum_resp_status
= le16_to_cpu(res
->u
.spectrum
.status
);
974 switch (spectrum_resp_status
) {
975 case 0: /* Command will be handled */
976 if (res
->u
.spectrum
.id
!= 0xff) {
978 ("Replaced existing measurement: %d\n",
980 priv
->measurement_status
&= ~MEASUREMENT_READY
;
982 priv
->measurement_status
|= MEASUREMENT_ACTIVE
;
986 case 1: /* Command will not be handled */
991 dev_kfree_skb_any(cmd
.meta
.u
.skb
);
997 /******************************************************************************
999 * Generic RX handler implementations
1001 ******************************************************************************/
1002 static void iwl_rx_reply_alive(struct iwl_priv
*priv
,
1003 struct iwl_rx_mem_buffer
*rxb
)
1005 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1006 struct iwl_alive_resp
*palive
;
1007 struct delayed_work
*pwork
;
1009 palive
= &pkt
->u
.alive_frame
;
1011 IWL_DEBUG_INFO("Alive ucode status 0x%08X revision "
1013 palive
->is_valid
, palive
->ver_type
,
1014 palive
->ver_subtype
);
1016 if (palive
->ver_subtype
== INITIALIZE_SUBTYPE
) {
1017 IWL_DEBUG_INFO("Initialization Alive received.\n");
1018 memcpy(&priv
->card_alive_init
,
1019 &pkt
->u
.alive_frame
,
1020 sizeof(struct iwl_init_alive_resp
));
1021 pwork
= &priv
->init_alive_start
;
1023 IWL_DEBUG_INFO("Runtime Alive received.\n");
1024 memcpy(&priv
->card_alive
, &pkt
->u
.alive_frame
,
1025 sizeof(struct iwl_alive_resp
));
1026 pwork
= &priv
->alive_start
;
1029 /* We delay the ALIVE response by 5ms to
1030 * give the HW RF Kill time to activate... */
1031 if (palive
->is_valid
== UCODE_VALID_OK
)
1032 queue_delayed_work(priv
->workqueue
, pwork
,
1033 msecs_to_jiffies(5));
1035 IWL_WARNING("uCode did not respond OK.\n");
1038 static void iwl4965_rx_reply_error(struct iwl_priv
*priv
,
1039 struct iwl_rx_mem_buffer
*rxb
)
1041 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1043 IWL_ERROR("Error Reply type 0x%08X cmd %s (0x%02X) "
1044 "seq 0x%04X ser 0x%08X\n",
1045 le32_to_cpu(pkt
->u
.err_resp
.error_type
),
1046 get_cmd_string(pkt
->u
.err_resp
.cmd_id
),
1047 pkt
->u
.err_resp
.cmd_id
,
1048 le16_to_cpu(pkt
->u
.err_resp
.bad_cmd_seq_num
),
1049 le32_to_cpu(pkt
->u
.err_resp
.error_info
));
1052 #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
1054 static void iwl4965_rx_csa(struct iwl_priv
*priv
, struct iwl_rx_mem_buffer
*rxb
)
1056 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1057 struct iwl_rxon_cmd
*rxon
= (void *)&priv
->active_rxon
;
1058 struct iwl4965_csa_notification
*csa
= &(pkt
->u
.csa_notif
);
1059 IWL_DEBUG_11H("CSA notif: channel %d, status %d\n",
1060 le16_to_cpu(csa
->channel
), le32_to_cpu(csa
->status
));
1061 rxon
->channel
= csa
->channel
;
1062 priv
->staging_rxon
.channel
= csa
->channel
;
1065 static void iwl4965_rx_spectrum_measure_notif(struct iwl_priv
*priv
,
1066 struct iwl_rx_mem_buffer
*rxb
)
1068 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
1069 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1070 struct iwl4965_spectrum_notification
*report
= &(pkt
->u
.spectrum_notif
);
1072 if (!report
->state
) {
1073 IWL_DEBUG(IWL_DL_11H
,
1074 "Spectrum Measure Notification: Start\n");
1078 memcpy(&priv
->measure_report
, report
, sizeof(*report
));
1079 priv
->measurement_status
|= MEASUREMENT_READY
;
1083 static void iwl4965_rx_pm_sleep_notif(struct iwl_priv
*priv
,
1084 struct iwl_rx_mem_buffer
*rxb
)
1086 #ifdef CONFIG_IWLWIFI_DEBUG
1087 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1088 struct iwl4965_sleep_notification
*sleep
= &(pkt
->u
.sleep_notif
);
1089 IWL_DEBUG_RX("sleep mode: %d, src: %d\n",
1090 sleep
->pm_sleep_mode
, sleep
->pm_wakeup_src
);
1094 static void iwl4965_rx_pm_debug_statistics_notif(struct iwl_priv
*priv
,
1095 struct iwl_rx_mem_buffer
*rxb
)
1097 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1098 IWL_DEBUG_RADIO("Dumping %d bytes of unhandled "
1099 "notification for %s:\n",
1100 le32_to_cpu(pkt
->len
), get_cmd_string(pkt
->hdr
.cmd
));
1101 iwl_print_hex_dump(priv
, IWL_DL_RADIO
, pkt
->u
.raw
, le32_to_cpu(pkt
->len
));
1104 static void iwl4965_bg_beacon_update(struct work_struct
*work
)
1106 struct iwl_priv
*priv
=
1107 container_of(work
, struct iwl_priv
, beacon_update
);
1108 struct sk_buff
*beacon
;
1110 /* Pull updated AP beacon from mac80211. will fail if not in AP mode */
1111 beacon
= ieee80211_beacon_get(priv
->hw
, priv
->vif
);
1114 IWL_ERROR("update beacon failed\n");
1118 mutex_lock(&priv
->mutex
);
1119 /* new beacon skb is allocated every time; dispose previous.*/
1120 if (priv
->ibss_beacon
)
1121 dev_kfree_skb(priv
->ibss_beacon
);
1123 priv
->ibss_beacon
= beacon
;
1124 mutex_unlock(&priv
->mutex
);
1126 iwl4965_send_beacon_cmd(priv
);
1130 * iwl4965_bg_statistics_periodic - Timer callback to queue statistics
1132 * This callback is provided in order to send a statistics request.
1134 * This timer function is continually reset to execute within
1135 * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
1136 * was received. We need to ensure we receive the statistics in order
1137 * to update the temperature used for calibrating the TXPOWER.
1139 static void iwl4965_bg_statistics_periodic(unsigned long data
)
1141 struct iwl_priv
*priv
= (struct iwl_priv
*)data
;
1143 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
1146 iwl_send_statistics_request(priv
, CMD_ASYNC
);
1149 static void iwl4965_rx_beacon_notif(struct iwl_priv
*priv
,
1150 struct iwl_rx_mem_buffer
*rxb
)
1152 #ifdef CONFIG_IWLWIFI_DEBUG
1153 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1154 struct iwl4965_beacon_notif
*beacon
= &(pkt
->u
.beacon_status
);
1155 u8 rate
= iwl_hw_get_rate(beacon
->beacon_notify_hdr
.rate_n_flags
);
1157 IWL_DEBUG_RX("beacon status %x retries %d iss %d "
1158 "tsf %d %d rate %d\n",
1159 le32_to_cpu(beacon
->beacon_notify_hdr
.u
.status
) & TX_STATUS_MSK
,
1160 beacon
->beacon_notify_hdr
.failure_frame
,
1161 le32_to_cpu(beacon
->ibss_mgr_status
),
1162 le32_to_cpu(beacon
->high_tsf
),
1163 le32_to_cpu(beacon
->low_tsf
), rate
);
1166 if ((priv
->iw_mode
== NL80211_IFTYPE_AP
) &&
1167 (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
)))
1168 queue_work(priv
->workqueue
, &priv
->beacon_update
);
1171 /* Handle notification from uCode that card's power state is changing
1172 * due to software, hardware, or critical temperature RFKILL */
1173 static void iwl4965_rx_card_state_notif(struct iwl_priv
*priv
,
1174 struct iwl_rx_mem_buffer
*rxb
)
1176 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1177 u32 flags
= le32_to_cpu(pkt
->u
.card_state_notif
.flags
);
1178 unsigned long status
= priv
->status
;
1180 IWL_DEBUG_RF_KILL("Card state received: HW:%s SW:%s\n",
1181 (flags
& HW_CARD_DISABLED
) ? "Kill" : "On",
1182 (flags
& SW_CARD_DISABLED
) ? "Kill" : "On");
1184 if (flags
& (SW_CARD_DISABLED
| HW_CARD_DISABLED
|
1185 RF_CARD_DISABLED
)) {
1187 iwl_write32(priv
, CSR_UCODE_DRV_GP1_SET
,
1188 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
1190 if (!iwl_grab_nic_access(priv
)) {
1192 priv
, HBUS_TARG_MBX_C
,
1193 HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED
);
1195 iwl_release_nic_access(priv
);
1198 if (!(flags
& RXON_CARD_DISABLED
)) {
1199 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
,
1200 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
1201 if (!iwl_grab_nic_access(priv
)) {
1203 priv
, HBUS_TARG_MBX_C
,
1204 HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED
);
1206 iwl_release_nic_access(priv
);
1210 if (flags
& RF_CARD_DISABLED
) {
1211 iwl_write32(priv
, CSR_UCODE_DRV_GP1_SET
,
1212 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT
);
1213 iwl_read32(priv
, CSR_UCODE_DRV_GP1
);
1214 if (!iwl_grab_nic_access(priv
))
1215 iwl_release_nic_access(priv
);
1219 if (flags
& HW_CARD_DISABLED
)
1220 set_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1222 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1225 if (flags
& SW_CARD_DISABLED
)
1226 set_bit(STATUS_RF_KILL_SW
, &priv
->status
);
1228 clear_bit(STATUS_RF_KILL_SW
, &priv
->status
);
1230 if (!(flags
& RXON_CARD_DISABLED
))
1231 iwl_scan_cancel(priv
);
1233 if ((test_bit(STATUS_RF_KILL_HW
, &status
) !=
1234 test_bit(STATUS_RF_KILL_HW
, &priv
->status
)) ||
1235 (test_bit(STATUS_RF_KILL_SW
, &status
) !=
1236 test_bit(STATUS_RF_KILL_SW
, &priv
->status
)))
1237 queue_work(priv
->workqueue
, &priv
->rf_kill
);
1239 wake_up_interruptible(&priv
->wait_command_queue
);
1242 int iwl4965_set_pwr_src(struct iwl_priv
*priv
, enum iwl_pwr_src src
)
1245 unsigned long flags
;
1247 spin_lock_irqsave(&priv
->lock
, flags
);
1248 ret
= iwl_grab_nic_access(priv
);
1252 if (src
== IWL_PWR_SRC_VAUX
) {
1254 ret
= pci_read_config_dword(priv
->pci_dev
, PCI_CFG_POWER_SOURCE
,
1257 if (val
& PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT
)
1258 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
1259 APMG_PS_CTRL_VAL_PWR_SRC_VAUX
,
1260 ~APMG_PS_CTRL_MSK_PWR_SRC
);
1262 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
1263 APMG_PS_CTRL_VAL_PWR_SRC_VMAIN
,
1264 ~APMG_PS_CTRL_MSK_PWR_SRC
);
1267 iwl_release_nic_access(priv
);
1269 spin_unlock_irqrestore(&priv
->lock
, flags
);
1274 * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
1276 * Setup the RX handlers for each of the reply types sent from the uCode
1279 * This function chains into the hardware specific files for them to setup
1280 * any hardware specific handlers as well.
1282 static void iwl_setup_rx_handlers(struct iwl_priv
*priv
)
1284 priv
->rx_handlers
[REPLY_ALIVE
] = iwl_rx_reply_alive
;
1285 priv
->rx_handlers
[REPLY_ERROR
] = iwl4965_rx_reply_error
;
1286 priv
->rx_handlers
[CHANNEL_SWITCH_NOTIFICATION
] = iwl4965_rx_csa
;
1287 priv
->rx_handlers
[SPECTRUM_MEASURE_NOTIFICATION
] =
1288 iwl4965_rx_spectrum_measure_notif
;
1289 priv
->rx_handlers
[PM_SLEEP_NOTIFICATION
] = iwl4965_rx_pm_sleep_notif
;
1290 priv
->rx_handlers
[PM_DEBUG_STATISTIC_NOTIFIC
] =
1291 iwl4965_rx_pm_debug_statistics_notif
;
1292 priv
->rx_handlers
[BEACON_NOTIFICATION
] = iwl4965_rx_beacon_notif
;
1295 * The same handler is used for both the REPLY to a discrete
1296 * statistics request from the host as well as for the periodic
1297 * statistics notifications (after received beacons) from the uCode.
1299 priv
->rx_handlers
[REPLY_STATISTICS_CMD
] = iwl_rx_statistics
;
1300 priv
->rx_handlers
[STATISTICS_NOTIFICATION
] = iwl_rx_statistics
;
1302 iwl_setup_rx_scan_handlers(priv
);
1304 /* status change handler */
1305 priv
->rx_handlers
[CARD_STATE_NOTIFICATION
] = iwl4965_rx_card_state_notif
;
1307 priv
->rx_handlers
[MISSED_BEACONS_NOTIFICATION
] =
1308 iwl_rx_missed_beacon_notif
;
1310 priv
->rx_handlers
[REPLY_RX_PHY_CMD
] = iwl_rx_reply_rx_phy
;
1311 priv
->rx_handlers
[REPLY_RX_MPDU_CMD
] = iwl_rx_reply_rx
;
1313 priv
->rx_handlers
[REPLY_COMPRESSED_BA
] = iwl_rx_reply_compressed_ba
;
1314 /* Set up hardware specific Rx handlers */
1315 priv
->cfg
->ops
->lib
->rx_handler_setup(priv
);
1319 * this should be called while priv->lock is locked
1321 static void __iwl_rx_replenish(struct iwl_priv
*priv
)
1323 iwl_rx_allocate(priv
);
1324 iwl_rx_queue_restock(priv
);
1329 * iwl_rx_handle - Main entry function for receiving responses from uCode
1331 * Uses the priv->rx_handlers callback function array to invoke
1332 * the appropriate handlers, including command responses,
1333 * frame-received notifications, and other notifications.
1335 void iwl_rx_handle(struct iwl_priv
*priv
)
1337 struct iwl_rx_mem_buffer
*rxb
;
1338 struct iwl_rx_packet
*pkt
;
1339 struct iwl_rx_queue
*rxq
= &priv
->rxq
;
1342 unsigned long flags
;
1346 /* uCode's read index (stored in shared DRAM) indicates the last Rx
1347 * buffer that the driver may process (last buffer filled by ucode). */
1348 r
= priv
->cfg
->ops
->lib
->shared_mem_rx_idx(priv
);
1351 /* Rx interrupt, but nothing sent from uCode */
1353 IWL_DEBUG(IWL_DL_RX
, "r = %d, i = %d\n", r
, i
);
1355 if (iwl_rx_queue_space(rxq
) > (RX_QUEUE_SIZE
/ 2))
1359 rxb
= rxq
->queue
[i
];
1361 /* If an RXB doesn't have a Rx queue slot associated with it,
1362 * then a bug has been introduced in the queue refilling
1363 * routines -- catch it here */
1364 BUG_ON(rxb
== NULL
);
1366 rxq
->queue
[i
] = NULL
;
1368 pci_dma_sync_single_for_cpu(priv
->pci_dev
, rxb
->dma_addr
,
1369 priv
->hw_params
.rx_buf_size
,
1370 PCI_DMA_FROMDEVICE
);
1371 pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1373 /* Reclaim a command buffer only if this packet is a response
1374 * to a (driver-originated) command.
1375 * If the packet (e.g. Rx frame) originated from uCode,
1376 * there is no command buffer to reclaim.
1377 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
1378 * but apparently a few don't get set; catch them here. */
1379 reclaim
= !(pkt
->hdr
.sequence
& SEQ_RX_FRAME
) &&
1380 (pkt
->hdr
.cmd
!= REPLY_RX_PHY_CMD
) &&
1381 (pkt
->hdr
.cmd
!= REPLY_RX
) &&
1382 (pkt
->hdr
.cmd
!= REPLY_COMPRESSED_BA
) &&
1383 (pkt
->hdr
.cmd
!= STATISTICS_NOTIFICATION
) &&
1384 (pkt
->hdr
.cmd
!= REPLY_TX
);
1386 /* Based on type of command response or notification,
1387 * handle those that need handling via function in
1388 * rx_handlers table. See iwl4965_setup_rx_handlers() */
1389 if (priv
->rx_handlers
[pkt
->hdr
.cmd
]) {
1390 IWL_DEBUG(IWL_DL_RX
, "r = %d, i = %d, %s, 0x%02x\n", r
,
1391 i
, get_cmd_string(pkt
->hdr
.cmd
), pkt
->hdr
.cmd
);
1392 priv
->rx_handlers
[pkt
->hdr
.cmd
] (priv
, rxb
);
1394 /* No handling needed */
1395 IWL_DEBUG(IWL_DL_RX
,
1396 "r %d i %d No handler needed for %s, 0x%02x\n",
1397 r
, i
, get_cmd_string(pkt
->hdr
.cmd
),
1402 /* Invoke any callbacks, transfer the skb to caller, and
1403 * fire off the (possibly) blocking iwl_send_cmd()
1404 * as we reclaim the driver command queue */
1405 if (rxb
&& rxb
->skb
)
1406 iwl_tx_cmd_complete(priv
, rxb
);
1408 IWL_WARNING("Claim null rxb?\n");
1411 /* For now we just don't re-use anything. We can tweak this
1412 * later to try and re-use notification packets and SKBs that
1413 * fail to Rx correctly */
1414 if (rxb
->skb
!= NULL
) {
1415 priv
->alloc_rxb_skb
--;
1416 dev_kfree_skb_any(rxb
->skb
);
1420 pci_unmap_single(priv
->pci_dev
, rxb
->dma_addr
,
1421 priv
->hw_params
.rx_buf_size
,
1422 PCI_DMA_FROMDEVICE
);
1423 spin_lock_irqsave(&rxq
->lock
, flags
);
1424 list_add_tail(&rxb
->list
, &priv
->rxq
.rx_used
);
1425 spin_unlock_irqrestore(&rxq
->lock
, flags
);
1426 i
= (i
+ 1) & RX_QUEUE_MASK
;
1427 /* If there are a lot of unused frames,
1428 * restock the Rx queue so ucode wont assert. */
1433 __iwl_rx_replenish(priv
);
1439 /* Backtrack one entry */
1441 iwl_rx_queue_restock(priv
);
1444 #ifdef CONFIG_IWLWIFI_DEBUG
1445 static void iwl4965_print_rx_config_cmd(struct iwl_priv
*priv
)
1447 struct iwl_rxon_cmd
*rxon
= &priv
->staging_rxon
;
1449 IWL_DEBUG_RADIO("RX CONFIG:\n");
1450 iwl_print_hex_dump(priv
, IWL_DL_RADIO
, (u8
*) rxon
, sizeof(*rxon
));
1451 IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon
->channel
));
1452 IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon
->flags
));
1453 IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n",
1454 le32_to_cpu(rxon
->filter_flags
));
1455 IWL_DEBUG_RADIO("u8 dev_type: 0x%x\n", rxon
->dev_type
);
1456 IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
1457 rxon
->ofdm_basic_rates
);
1458 IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon
->cck_basic_rates
);
1459 IWL_DEBUG_RADIO("u8[6] node_addr: %pM\n", rxon
->node_addr
);
1460 IWL_DEBUG_RADIO("u8[6] bssid_addr: %pM\n", rxon
->bssid_addr
);
1461 IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon
->assoc_id
));
1465 static void iwl4965_enable_interrupts(struct iwl_priv
*priv
)
1467 IWL_DEBUG_ISR("Enabling interrupts\n");
1468 set_bit(STATUS_INT_ENABLED
, &priv
->status
);
1469 iwl_write32(priv
, CSR_INT_MASK
, CSR_INI_SET_MASK
);
1472 /* call this function to flush any scheduled tasklet */
1473 static inline void iwl_synchronize_irq(struct iwl_priv
*priv
)
1475 /* wait to make sure we flush pedding tasklet*/
1476 synchronize_irq(priv
->pci_dev
->irq
);
1477 tasklet_kill(&priv
->irq_tasklet
);
1480 static inline void iwl4965_disable_interrupts(struct iwl_priv
*priv
)
1482 clear_bit(STATUS_INT_ENABLED
, &priv
->status
);
1484 /* disable interrupts from uCode/NIC to host */
1485 iwl_write32(priv
, CSR_INT_MASK
, 0x00000000);
1487 /* acknowledge/clear/reset any interrupts still pending
1488 * from uCode or flow handler (Rx/Tx DMA) */
1489 iwl_write32(priv
, CSR_INT
, 0xffffffff);
1490 iwl_write32(priv
, CSR_FH_INT_STATUS
, 0xffffffff);
1491 IWL_DEBUG_ISR("Disabled interrupts\n");
1496 * iwl4965_irq_handle_error - called for HW or SW error interrupt from card
1498 static void iwl4965_irq_handle_error(struct iwl_priv
*priv
)
1500 /* Set the FW error flag -- cleared on iwl4965_down */
1501 set_bit(STATUS_FW_ERROR
, &priv
->status
);
1503 /* Cancel currently queued command. */
1504 clear_bit(STATUS_HCMD_ACTIVE
, &priv
->status
);
1506 #ifdef CONFIG_IWLWIFI_DEBUG
1507 if (priv
->debug_level
& IWL_DL_FW_ERRORS
) {
1508 iwl_dump_nic_error_log(priv
);
1509 iwl_dump_nic_event_log(priv
);
1510 iwl4965_print_rx_config_cmd(priv
);
1514 wake_up_interruptible(&priv
->wait_command_queue
);
1516 /* Keep the restart process from trying to send host
1517 * commands by clearing the INIT status bit */
1518 clear_bit(STATUS_READY
, &priv
->status
);
1520 if (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
)) {
1521 IWL_DEBUG(IWL_DL_FW_ERRORS
,
1522 "Restarting adapter due to uCode error.\n");
1524 if (iwl_is_associated(priv
)) {
1525 memcpy(&priv
->recovery_rxon
, &priv
->active_rxon
,
1526 sizeof(priv
->recovery_rxon
));
1527 priv
->error_recovering
= 1;
1529 if (priv
->cfg
->mod_params
->restart_fw
)
1530 queue_work(priv
->workqueue
, &priv
->restart
);
1534 static void iwl4965_error_recovery(struct iwl_priv
*priv
)
1536 unsigned long flags
;
1538 memcpy(&priv
->staging_rxon
, &priv
->recovery_rxon
,
1539 sizeof(priv
->staging_rxon
));
1540 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
1541 iwl4965_commit_rxon(priv
);
1543 iwl_rxon_add_station(priv
, priv
->bssid
, 1);
1545 spin_lock_irqsave(&priv
->lock
, flags
);
1546 priv
->assoc_id
= le16_to_cpu(priv
->staging_rxon
.assoc_id
);
1547 priv
->error_recovering
= 0;
1548 spin_unlock_irqrestore(&priv
->lock
, flags
);
1551 static void iwl4965_irq_tasklet(struct iwl_priv
*priv
)
1553 u32 inta
, handled
= 0;
1555 unsigned long flags
;
1556 #ifdef CONFIG_IWLWIFI_DEBUG
1560 spin_lock_irqsave(&priv
->lock
, flags
);
1562 /* Ack/clear/reset pending uCode interrupts.
1563 * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
1564 * and will clear only when CSR_FH_INT_STATUS gets cleared. */
1565 inta
= iwl_read32(priv
, CSR_INT
);
1566 iwl_write32(priv
, CSR_INT
, inta
);
1568 /* Ack/clear/reset pending flow-handler (DMA) interrupts.
1569 * Any new interrupts that happen after this, either while we're
1570 * in this tasklet, or later, will show up in next ISR/tasklet. */
1571 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1572 iwl_write32(priv
, CSR_FH_INT_STATUS
, inta_fh
);
1574 #ifdef CONFIG_IWLWIFI_DEBUG
1575 if (priv
->debug_level
& IWL_DL_ISR
) {
1576 /* just for debug */
1577 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
);
1578 IWL_DEBUG_ISR("inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
1579 inta
, inta_mask
, inta_fh
);
1583 /* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
1584 * atomic, make sure that inta covers all the interrupts that
1585 * we've discovered, even if FH interrupt came in just after
1586 * reading CSR_INT. */
1587 if (inta_fh
& CSR49_FH_INT_RX_MASK
)
1588 inta
|= CSR_INT_BIT_FH_RX
;
1589 if (inta_fh
& CSR49_FH_INT_TX_MASK
)
1590 inta
|= CSR_INT_BIT_FH_TX
;
1592 /* Now service all interrupt bits discovered above. */
1593 if (inta
& CSR_INT_BIT_HW_ERR
) {
1594 IWL_ERROR("Microcode HW error detected. Restarting.\n");
1596 /* Tell the device to stop sending interrupts */
1597 iwl4965_disable_interrupts(priv
);
1599 iwl4965_irq_handle_error(priv
);
1601 handled
|= CSR_INT_BIT_HW_ERR
;
1603 spin_unlock_irqrestore(&priv
->lock
, flags
);
1608 #ifdef CONFIG_IWLWIFI_DEBUG
1609 if (priv
->debug_level
& (IWL_DL_ISR
)) {
1610 /* NIC fires this, but we don't use it, redundant with WAKEUP */
1611 if (inta
& CSR_INT_BIT_SCD
)
1612 IWL_DEBUG_ISR("Scheduler finished to transmit "
1613 "the frame/frames.\n");
1615 /* Alive notification via Rx interrupt will do the real work */
1616 if (inta
& CSR_INT_BIT_ALIVE
)
1617 IWL_DEBUG_ISR("Alive interrupt\n");
1620 /* Safely ignore these bits for debug checks below */
1621 inta
&= ~(CSR_INT_BIT_SCD
| CSR_INT_BIT_ALIVE
);
1623 /* HW RF KILL switch toggled */
1624 if (inta
& CSR_INT_BIT_RF_KILL
) {
1626 if (!(iwl_read32(priv
, CSR_GP_CNTRL
) &
1627 CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW
))
1630 IWL_DEBUG(IWL_DL_RF_KILL
, "RF_KILL bit toggled to %s.\n",
1631 hw_rf_kill
? "disable radio":"enable radio");
1633 /* driver only loads ucode once setting the interface up.
1634 * the driver as well won't allow loading if RFKILL is set
1635 * therefore no need to restart the driver from this handler
1637 if (!hw_rf_kill
&& !test_bit(STATUS_ALIVE
, &priv
->status
))
1638 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1640 handled
|= CSR_INT_BIT_RF_KILL
;
1643 /* Chip got too hot and stopped itself */
1644 if (inta
& CSR_INT_BIT_CT_KILL
) {
1645 IWL_ERROR("Microcode CT kill error detected.\n");
1646 handled
|= CSR_INT_BIT_CT_KILL
;
1649 /* Error detected by uCode */
1650 if (inta
& CSR_INT_BIT_SW_ERR
) {
1651 IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n",
1653 iwl4965_irq_handle_error(priv
);
1654 handled
|= CSR_INT_BIT_SW_ERR
;
1657 /* uCode wakes up after power-down sleep */
1658 if (inta
& CSR_INT_BIT_WAKEUP
) {
1659 IWL_DEBUG_ISR("Wakeup interrupt\n");
1660 iwl_rx_queue_update_write_ptr(priv
, &priv
->rxq
);
1661 iwl_txq_update_write_ptr(priv
, &priv
->txq
[0]);
1662 iwl_txq_update_write_ptr(priv
, &priv
->txq
[1]);
1663 iwl_txq_update_write_ptr(priv
, &priv
->txq
[2]);
1664 iwl_txq_update_write_ptr(priv
, &priv
->txq
[3]);
1665 iwl_txq_update_write_ptr(priv
, &priv
->txq
[4]);
1666 iwl_txq_update_write_ptr(priv
, &priv
->txq
[5]);
1668 handled
|= CSR_INT_BIT_WAKEUP
;
1671 /* All uCode command responses, including Tx command responses,
1672 * Rx "responses" (frame-received notification), and other
1673 * notifications from uCode come through here*/
1674 if (inta
& (CSR_INT_BIT_FH_RX
| CSR_INT_BIT_SW_RX
)) {
1675 iwl_rx_handle(priv
);
1676 handled
|= (CSR_INT_BIT_FH_RX
| CSR_INT_BIT_SW_RX
);
1679 if (inta
& CSR_INT_BIT_FH_TX
) {
1680 IWL_DEBUG_ISR("Tx interrupt\n");
1681 handled
|= CSR_INT_BIT_FH_TX
;
1682 /* FH finished to write, send event */
1683 priv
->ucode_write_complete
= 1;
1684 wake_up_interruptible(&priv
->wait_command_queue
);
1687 if (inta
& ~handled
)
1688 IWL_ERROR("Unhandled INTA bits 0x%08x\n", inta
& ~handled
);
1690 if (inta
& ~CSR_INI_SET_MASK
) {
1691 IWL_WARNING("Disabled INTA bits 0x%08x were pending\n",
1692 inta
& ~CSR_INI_SET_MASK
);
1693 IWL_WARNING(" with FH_INT = 0x%08x\n", inta_fh
);
1696 /* Re-enable all interrupts */
1697 /* only Re-enable if diabled by irq */
1698 if (test_bit(STATUS_INT_ENABLED
, &priv
->status
))
1699 iwl4965_enable_interrupts(priv
);
1701 #ifdef CONFIG_IWLWIFI_DEBUG
1702 if (priv
->debug_level
& (IWL_DL_ISR
)) {
1703 inta
= iwl_read32(priv
, CSR_INT
);
1704 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
);
1705 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1706 IWL_DEBUG_ISR("End inta 0x%08x, enabled 0x%08x, fh 0x%08x, "
1707 "flags 0x%08lx\n", inta
, inta_mask
, inta_fh
, flags
);
1710 spin_unlock_irqrestore(&priv
->lock
, flags
);
1713 static irqreturn_t
iwl4965_isr(int irq
, void *data
)
1715 struct iwl_priv
*priv
= data
;
1716 u32 inta
, inta_mask
;
1721 spin_lock(&priv
->lock
);
1723 /* Disable (but don't clear!) interrupts here to avoid
1724 * back-to-back ISRs and sporadic interrupts from our NIC.
1725 * If we have something to service, the tasklet will re-enable ints.
1726 * If we *don't* have something, we'll re-enable before leaving here. */
1727 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
); /* just for debug */
1728 iwl_write32(priv
, CSR_INT_MASK
, 0x00000000);
1730 /* Discover which interrupts are active/pending */
1731 inta
= iwl_read32(priv
, CSR_INT
);
1732 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1734 /* Ignore interrupt if there's nothing in NIC to service.
1735 * This may be due to IRQ shared with another device,
1736 * or due to sporadic interrupts thrown from our NIC. */
1737 if (!inta
&& !inta_fh
) {
1738 IWL_DEBUG_ISR("Ignore interrupt, inta == 0, inta_fh == 0\n");
1742 if ((inta
== 0xFFFFFFFF) || ((inta
& 0xFFFFFFF0) == 0xa5a5a5a0)) {
1743 /* Hardware disappeared. It might have already raised
1745 IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta
);
1749 IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
1750 inta
, inta_mask
, inta_fh
);
1752 inta
&= ~CSR_INT_BIT_SCD
;
1754 /* iwl4965_irq_tasklet() will service interrupts and re-enable them */
1755 if (likely(inta
|| inta_fh
))
1756 tasklet_schedule(&priv
->irq_tasklet
);
1759 spin_unlock(&priv
->lock
);
1763 /* re-enable interrupts here since we don't have anything to service. */
1764 /* only Re-enable if diabled by irq */
1765 if (test_bit(STATUS_INT_ENABLED
, &priv
->status
))
1766 iwl4965_enable_interrupts(priv
);
1767 spin_unlock(&priv
->lock
);
1771 /******************************************************************************
1773 * uCode download functions
1775 ******************************************************************************/
1777 static void iwl4965_dealloc_ucode_pci(struct iwl_priv
*priv
)
1779 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_code
);
1780 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_data
);
1781 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_data_backup
);
1782 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_init
);
1783 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_init_data
);
1784 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_boot
);
1787 static void iwl4965_nic_start(struct iwl_priv
*priv
)
1789 /* Remove all resets to allow NIC to operate */
1790 iwl_write32(priv
, CSR_RESET
, 0);
1795 * iwl4965_read_ucode - Read uCode images from disk file.
1797 * Copy into buffers for card to fetch via bus-mastering
1799 static int iwl4965_read_ucode(struct iwl_priv
*priv
)
1801 struct iwl_ucode
*ucode
;
1803 const struct firmware
*ucode_raw
;
1804 const char *name
= priv
->cfg
->fw_name
;
1807 u32 ver
, inst_size
, data_size
, init_size
, init_data_size
, boot_size
;
1809 /* Ask kernel firmware_class module to get the boot firmware off disk.
1810 * request_firmware() is synchronous, file is in memory on return. */
1811 ret
= request_firmware(&ucode_raw
, name
, &priv
->pci_dev
->dev
);
1813 IWL_ERROR("%s firmware file req failed: Reason %d\n",
1818 IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n",
1819 name
, ucode_raw
->size
);
1821 /* Make sure that we got at least our header! */
1822 if (ucode_raw
->size
< sizeof(*ucode
)) {
1823 IWL_ERROR("File size way too small!\n");
1828 /* Data from ucode file: header followed by uCode images */
1829 ucode
= (void *)ucode_raw
->data
;
1831 ver
= le32_to_cpu(ucode
->ver
);
1832 inst_size
= le32_to_cpu(ucode
->inst_size
);
1833 data_size
= le32_to_cpu(ucode
->data_size
);
1834 init_size
= le32_to_cpu(ucode
->init_size
);
1835 init_data_size
= le32_to_cpu(ucode
->init_data_size
);
1836 boot_size
= le32_to_cpu(ucode
->boot_size
);
1838 IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver
);
1839 IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n",
1841 IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n",
1843 IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n",
1845 IWL_DEBUG_INFO("f/w package hdr init data size = %u\n",
1847 IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n",
1850 /* Verify size of file vs. image size info in file's header */
1851 if (ucode_raw
->size
< sizeof(*ucode
) +
1852 inst_size
+ data_size
+ init_size
+
1853 init_data_size
+ boot_size
) {
1855 IWL_DEBUG_INFO("uCode file size %d too small\n",
1856 (int)ucode_raw
->size
);
1861 /* Verify that uCode images will fit in card's SRAM */
1862 if (inst_size
> priv
->hw_params
.max_inst_size
) {
1863 IWL_DEBUG_INFO("uCode instr len %d too large to fit in\n",
1869 if (data_size
> priv
->hw_params
.max_data_size
) {
1870 IWL_DEBUG_INFO("uCode data len %d too large to fit in\n",
1875 if (init_size
> priv
->hw_params
.max_inst_size
) {
1877 ("uCode init instr len %d too large to fit in\n",
1882 if (init_data_size
> priv
->hw_params
.max_data_size
) {
1884 ("uCode init data len %d too large to fit in\n",
1889 if (boot_size
> priv
->hw_params
.max_bsm_size
) {
1891 ("uCode boot instr len %d too large to fit in\n",
1897 /* Allocate ucode buffers for card's bus-master loading ... */
1899 /* Runtime instructions and 2 copies of data:
1900 * 1) unmodified from disk
1901 * 2) backup cache for save/restore during power-downs */
1902 priv
->ucode_code
.len
= inst_size
;
1903 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_code
);
1905 priv
->ucode_data
.len
= data_size
;
1906 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_data
);
1908 priv
->ucode_data_backup
.len
= data_size
;
1909 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_data_backup
);
1911 /* Initialization instructions and data */
1912 if (init_size
&& init_data_size
) {
1913 priv
->ucode_init
.len
= init_size
;
1914 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_init
);
1916 priv
->ucode_init_data
.len
= init_data_size
;
1917 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_init_data
);
1919 if (!priv
->ucode_init
.v_addr
|| !priv
->ucode_init_data
.v_addr
)
1923 /* Bootstrap (instructions only, no data) */
1925 priv
->ucode_boot
.len
= boot_size
;
1926 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_boot
);
1928 if (!priv
->ucode_boot
.v_addr
)
1932 /* Copy images into buffers for card's bus-master reads ... */
1934 /* Runtime instructions (first block of data in file) */
1935 src
= &ucode
->data
[0];
1936 len
= priv
->ucode_code
.len
;
1937 IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %Zd\n", len
);
1938 memcpy(priv
->ucode_code
.v_addr
, src
, len
);
1939 IWL_DEBUG_INFO("uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
1940 priv
->ucode_code
.v_addr
, (u32
)priv
->ucode_code
.p_addr
);
1942 /* Runtime data (2nd block)
1943 * NOTE: Copy into backup buffer will be done in iwl4965_up() */
1944 src
= &ucode
->data
[inst_size
];
1945 len
= priv
->ucode_data
.len
;
1946 IWL_DEBUG_INFO("Copying (but not loading) uCode data len %Zd\n", len
);
1947 memcpy(priv
->ucode_data
.v_addr
, src
, len
);
1948 memcpy(priv
->ucode_data_backup
.v_addr
, src
, len
);
1950 /* Initialization instructions (3rd block) */
1952 src
= &ucode
->data
[inst_size
+ data_size
];
1953 len
= priv
->ucode_init
.len
;
1954 IWL_DEBUG_INFO("Copying (but not loading) init instr len %Zd\n",
1956 memcpy(priv
->ucode_init
.v_addr
, src
, len
);
1959 /* Initialization data (4th block) */
1960 if (init_data_size
) {
1961 src
= &ucode
->data
[inst_size
+ data_size
+ init_size
];
1962 len
= priv
->ucode_init_data
.len
;
1963 IWL_DEBUG_INFO("Copying (but not loading) init data len %Zd\n",
1965 memcpy(priv
->ucode_init_data
.v_addr
, src
, len
);
1968 /* Bootstrap instructions (5th block) */
1969 src
= &ucode
->data
[inst_size
+ data_size
+ init_size
+ init_data_size
];
1970 len
= priv
->ucode_boot
.len
;
1971 IWL_DEBUG_INFO("Copying (but not loading) boot instr len %Zd\n", len
);
1972 memcpy(priv
->ucode_boot
.v_addr
, src
, len
);
1974 /* We have our copies now, allow OS release its copies */
1975 release_firmware(ucode_raw
);
1979 IWL_ERROR("failed to allocate pci memory\n");
1981 iwl4965_dealloc_ucode_pci(priv
);
1984 release_firmware(ucode_raw
);
1991 * iwl_alive_start - called after REPLY_ALIVE notification received
1992 * from protocol/runtime uCode (initialization uCode's
1993 * Alive gets handled by iwl_init_alive_start()).
1995 static void iwl_alive_start(struct iwl_priv
*priv
)
1999 IWL_DEBUG_INFO("Runtime Alive received.\n");
2001 if (priv
->card_alive
.is_valid
!= UCODE_VALID_OK
) {
2002 /* We had an error bringing up the hardware, so take it
2003 * all the way back down so we can try again */
2004 IWL_DEBUG_INFO("Alive failed.\n");
2008 /* Initialize uCode has loaded Runtime uCode ... verify inst image.
2009 * This is a paranoid check, because we would not have gotten the
2010 * "runtime" alive if code weren't properly loaded. */
2011 if (iwl_verify_ucode(priv
)) {
2012 /* Runtime instruction load was bad;
2013 * take it all the way back down so we can try again */
2014 IWL_DEBUG_INFO("Bad runtime uCode load.\n");
2018 iwl_clear_stations_table(priv
);
2019 ret
= priv
->cfg
->ops
->lib
->alive_notify(priv
);
2021 IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n",
2026 /* After the ALIVE response, we can send host commands to 4965 uCode */
2027 set_bit(STATUS_ALIVE
, &priv
->status
);
2029 if (iwl_is_rfkill(priv
))
2032 ieee80211_wake_queues(priv
->hw
);
2034 priv
->active_rate
= priv
->rates_mask
;
2035 priv
->active_rate_basic
= priv
->rates_mask
& IWL_BASIC_RATES_MASK
;
2037 if (iwl_is_associated(priv
)) {
2038 struct iwl_rxon_cmd
*active_rxon
=
2039 (struct iwl_rxon_cmd
*)&priv
->active_rxon
;
2041 memcpy(&priv
->staging_rxon
, &priv
->active_rxon
,
2042 sizeof(priv
->staging_rxon
));
2043 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2045 /* Initialize our rx_config data */
2046 iwl4965_connection_init_rx_config(priv
);
2047 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
2050 /* Configure Bluetooth device coexistence support */
2051 iwl4965_send_bt_config(priv
);
2053 iwl_reset_run_time_calib(priv
);
2055 /* Configure the adapter for unassociated operation */
2056 iwl4965_commit_rxon(priv
);
2058 /* At this point, the NIC is initialized and operational */
2059 iwl_rf_kill_ct_config(priv
);
2061 iwl_leds_register(priv
);
2063 IWL_DEBUG_INFO("ALIVE processing complete.\n");
2064 set_bit(STATUS_READY
, &priv
->status
);
2065 wake_up_interruptible(&priv
->wait_command_queue
);
2067 if (priv
->error_recovering
)
2068 iwl4965_error_recovery(priv
);
2070 iwl_power_update_mode(priv
, 1);
2072 if (test_and_clear_bit(STATUS_MODE_PENDING
, &priv
->status
))
2073 iwl4965_set_mode(priv
, priv
->iw_mode
);
2078 queue_work(priv
->workqueue
, &priv
->restart
);
2081 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
);
2083 static void __iwl4965_down(struct iwl_priv
*priv
)
2085 unsigned long flags
;
2086 int exit_pending
= test_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2088 IWL_DEBUG_INFO(DRV_NAME
" is going down\n");
2091 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2093 iwl_leds_unregister(priv
);
2095 iwl_clear_stations_table(priv
);
2097 /* Unblock any waiting calls */
2098 wake_up_interruptible_all(&priv
->wait_command_queue
);
2100 /* Wipe out the EXIT_PENDING status bit if we are not actually
2101 * exiting the module */
2103 clear_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2105 /* stop and reset the on-board processor */
2106 iwl_write32(priv
, CSR_RESET
, CSR_RESET_REG_FLAG_NEVO_RESET
);
2108 /* tell the device to stop sending interrupts */
2109 spin_lock_irqsave(&priv
->lock
, flags
);
2110 iwl4965_disable_interrupts(priv
);
2111 spin_unlock_irqrestore(&priv
->lock
, flags
);
2112 iwl_synchronize_irq(priv
);
2114 if (priv
->mac80211_registered
)
2115 ieee80211_stop_queues(priv
->hw
);
2117 /* If we have not previously called iwl4965_init() then
2118 * clear all bits but the RF Kill and SUSPEND bits and return */
2119 if (!iwl_is_init(priv
)) {
2120 priv
->status
= test_bit(STATUS_RF_KILL_HW
, &priv
->status
) <<
2122 test_bit(STATUS_RF_KILL_SW
, &priv
->status
) <<
2124 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
) <<
2125 STATUS_GEO_CONFIGURED
|
2126 test_bit(STATUS_IN_SUSPEND
, &priv
->status
) <<
2128 test_bit(STATUS_EXIT_PENDING
, &priv
->status
) <<
2129 STATUS_EXIT_PENDING
;
2133 /* ...otherwise clear out all the status bits but the RF Kill and
2134 * SUSPEND bits and continue taking the NIC down. */
2135 priv
->status
&= test_bit(STATUS_RF_KILL_HW
, &priv
->status
) <<
2137 test_bit(STATUS_RF_KILL_SW
, &priv
->status
) <<
2139 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
) <<
2140 STATUS_GEO_CONFIGURED
|
2141 test_bit(STATUS_IN_SUSPEND
, &priv
->status
) <<
2143 test_bit(STATUS_FW_ERROR
, &priv
->status
) <<
2145 test_bit(STATUS_EXIT_PENDING
, &priv
->status
) <<
2146 STATUS_EXIT_PENDING
;
2148 spin_lock_irqsave(&priv
->lock
, flags
);
2149 iwl_clear_bit(priv
, CSR_GP_CNTRL
,
2150 CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ
);
2151 spin_unlock_irqrestore(&priv
->lock
, flags
);
2153 iwl_txq_ctx_stop(priv
);
2156 spin_lock_irqsave(&priv
->lock
, flags
);
2157 if (!iwl_grab_nic_access(priv
)) {
2158 iwl_write_prph(priv
, APMG_CLK_DIS_REG
,
2159 APMG_CLK_VAL_DMA_CLK_RQT
);
2160 iwl_release_nic_access(priv
);
2162 spin_unlock_irqrestore(&priv
->lock
, flags
);
2166 /* FIXME: apm_ops.suspend(priv) */
2167 if (exit_pending
|| test_bit(STATUS_IN_SUSPEND
, &priv
->status
))
2168 priv
->cfg
->ops
->lib
->apm_ops
.stop(priv
);
2170 priv
->cfg
->ops
->lib
->apm_ops
.reset(priv
);
2171 priv
->cfg
->ops
->lib
->free_shared_mem(priv
);
2174 memset(&priv
->card_alive
, 0, sizeof(struct iwl_alive_resp
));
2176 if (priv
->ibss_beacon
)
2177 dev_kfree_skb(priv
->ibss_beacon
);
2178 priv
->ibss_beacon
= NULL
;
2180 /* clear out any free frames */
2181 iwl_clear_free_frames(priv
);
2184 static void iwl4965_down(struct iwl_priv
*priv
)
2186 mutex_lock(&priv
->mutex
);
2187 __iwl4965_down(priv
);
2188 mutex_unlock(&priv
->mutex
);
2190 iwl_cancel_deferred_work(priv
);
2193 #define MAX_HW_RESTARTS 5
2195 static int __iwl4965_up(struct iwl_priv
*priv
)
2200 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
)) {
2201 IWL_WARNING("Exit pending; will not bring the NIC up\n");
2205 if (!priv
->ucode_data_backup
.v_addr
|| !priv
->ucode_data
.v_addr
) {
2206 IWL_ERROR("ucode not available for device bringup\n");
2210 /* If platform's RF_KILL switch is NOT set to KILL */
2211 if (iwl_read32(priv
, CSR_GP_CNTRL
) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW
)
2212 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
2214 set_bit(STATUS_RF_KILL_HW
, &priv
->status
);
2216 if (iwl_is_rfkill(priv
)) {
2217 iwl4965_enable_interrupts(priv
);
2218 IWL_WARNING("Radio disabled by %s RF Kill switch\n",
2219 test_bit(STATUS_RF_KILL_HW
, &priv
->status
) ? "HW" : "SW");
2223 iwl_write32(priv
, CSR_INT
, 0xFFFFFFFF);
2225 ret
= priv
->cfg
->ops
->lib
->alloc_shared_mem(priv
);
2227 IWL_ERROR("Unable to allocate shared memory\n");
2231 ret
= iwl_hw_nic_init(priv
);
2233 IWL_ERROR("Unable to init nic\n");
2237 /* make sure rfkill handshake bits are cleared */
2238 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
, CSR_UCODE_SW_BIT_RFKILL
);
2239 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
,
2240 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
2242 /* clear (again), then enable host interrupts */
2243 iwl_write32(priv
, CSR_INT
, 0xFFFFFFFF);
2244 iwl4965_enable_interrupts(priv
);
2246 /* really make sure rfkill handshake bits are cleared */
2247 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
, CSR_UCODE_SW_BIT_RFKILL
);
2248 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
, CSR_UCODE_SW_BIT_RFKILL
);
2250 /* Copy original ucode data image from disk into backup cache.
2251 * This will be used to initialize the on-board processor's
2252 * data SRAM for a clean start when the runtime program first loads. */
2253 memcpy(priv
->ucode_data_backup
.v_addr
, priv
->ucode_data
.v_addr
,
2254 priv
->ucode_data
.len
);
2256 for (i
= 0; i
< MAX_HW_RESTARTS
; i
++) {
2258 iwl_clear_stations_table(priv
);
2260 /* load bootstrap state machine,
2261 * load bootstrap program into processor's memory,
2262 * prepare to load the "initialize" uCode */
2263 ret
= priv
->cfg
->ops
->lib
->load_ucode(priv
);
2266 IWL_ERROR("Unable to set up bootstrap uCode: %d\n", ret
);
2270 /* Clear out the uCode error bit if it is set */
2271 clear_bit(STATUS_FW_ERROR
, &priv
->status
);
2273 /* start card; "initialize" will load runtime ucode */
2274 iwl4965_nic_start(priv
);
2276 IWL_DEBUG_INFO(DRV_NAME
" is coming up\n");
2281 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2282 __iwl4965_down(priv
);
2283 clear_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2285 /* tried to restart and config the device for as long as our
2286 * patience could withstand */
2287 IWL_ERROR("Unable to initialize device after %d attempts.\n", i
);
2292 /*****************************************************************************
2294 * Workqueue callbacks
2296 *****************************************************************************/
2298 static void iwl_bg_init_alive_start(struct work_struct
*data
)
2300 struct iwl_priv
*priv
=
2301 container_of(data
, struct iwl_priv
, init_alive_start
.work
);
2303 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2306 mutex_lock(&priv
->mutex
);
2307 priv
->cfg
->ops
->lib
->init_alive_start(priv
);
2308 mutex_unlock(&priv
->mutex
);
2311 static void iwl_bg_alive_start(struct work_struct
*data
)
2313 struct iwl_priv
*priv
=
2314 container_of(data
, struct iwl_priv
, alive_start
.work
);
2316 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2319 mutex_lock(&priv
->mutex
);
2320 iwl_alive_start(priv
);
2321 mutex_unlock(&priv
->mutex
);
2322 ieee80211_notify_mac(priv
->hw
, IEEE80211_NOTIFY_RE_ASSOC
);
2325 static void iwl4965_bg_rf_kill(struct work_struct
*work
)
2327 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
, rf_kill
);
2329 wake_up_interruptible(&priv
->wait_command_queue
);
2331 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2334 mutex_lock(&priv
->mutex
);
2336 if (!iwl_is_rfkill(priv
)) {
2337 IWL_DEBUG(IWL_DL_RF_KILL
,
2338 "HW and/or SW RF Kill no longer active, restarting "
2340 if (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2341 queue_work(priv
->workqueue
, &priv
->restart
);
2343 /* make sure mac80211 stop sending Tx frame */
2344 if (priv
->mac80211_registered
)
2345 ieee80211_stop_queues(priv
->hw
);
2347 if (!test_bit(STATUS_RF_KILL_HW
, &priv
->status
))
2348 IWL_DEBUG_RF_KILL("Can not turn radio back on - "
2349 "disabled by SW switch\n");
2351 IWL_WARNING("Radio Frequency Kill Switch is On:\n"
2352 "Kill switch must be turned off for "
2353 "wireless networking to work.\n");
2355 mutex_unlock(&priv
->mutex
);
2356 iwl_rfkill_set_hw_state(priv
);
2359 static void iwl4965_bg_set_monitor(struct work_struct
*work
)
2361 struct iwl_priv
*priv
= container_of(work
,
2362 struct iwl_priv
, set_monitor
);
2365 IWL_DEBUG(IWL_DL_STATE
, "setting monitor mode\n");
2367 mutex_lock(&priv
->mutex
);
2369 ret
= iwl4965_set_mode(priv
, NL80211_IFTYPE_MONITOR
);
2373 IWL_DEBUG(IWL_DL_STATE
, "leave - not ready\n");
2375 IWL_ERROR("iwl4965_set_mode() failed ret = %d\n", ret
);
2378 mutex_unlock(&priv
->mutex
);
2381 static void iwl_bg_run_time_calib_work(struct work_struct
*work
)
2383 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
,
2384 run_time_calib_work
);
2386 mutex_lock(&priv
->mutex
);
2388 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
) ||
2389 test_bit(STATUS_SCANNING
, &priv
->status
)) {
2390 mutex_unlock(&priv
->mutex
);
2394 if (priv
->start_calib
) {
2395 iwl_chain_noise_calibration(priv
, &priv
->statistics
);
2397 iwl_sensitivity_calibration(priv
, &priv
->statistics
);
2400 mutex_unlock(&priv
->mutex
);
2404 static void iwl4965_bg_up(struct work_struct
*data
)
2406 struct iwl_priv
*priv
= container_of(data
, struct iwl_priv
, up
);
2408 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2411 mutex_lock(&priv
->mutex
);
2413 mutex_unlock(&priv
->mutex
);
2414 iwl_rfkill_set_hw_state(priv
);
2417 static void iwl4965_bg_restart(struct work_struct
*data
)
2419 struct iwl_priv
*priv
= container_of(data
, struct iwl_priv
, restart
);
2421 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2425 queue_work(priv
->workqueue
, &priv
->up
);
2428 static void iwl4965_bg_rx_replenish(struct work_struct
*data
)
2430 struct iwl_priv
*priv
=
2431 container_of(data
, struct iwl_priv
, rx_replenish
);
2433 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2436 mutex_lock(&priv
->mutex
);
2437 iwl_rx_replenish(priv
);
2438 mutex_unlock(&priv
->mutex
);
2441 #define IWL_DELAY_NEXT_SCAN (HZ*2)
2443 static void iwl4965_post_associate(struct iwl_priv
*priv
)
2445 struct ieee80211_conf
*conf
= NULL
;
2447 unsigned long flags
;
2449 if (priv
->iw_mode
== NL80211_IFTYPE_AP
) {
2450 IWL_ERROR("%s Should not be called in AP mode\n", __func__
);
2454 IWL_DEBUG_ASSOC("Associated as %d to: %pM\n",
2455 priv
->assoc_id
, priv
->active_rxon
.bssid_addr
);
2458 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2462 if (!priv
->vif
|| !priv
->is_open
)
2465 iwl_power_cancel_timeout(priv
);
2466 iwl_scan_cancel_timeout(priv
, 200);
2468 conf
= ieee80211_get_hw_conf(priv
->hw
);
2470 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2471 iwl4965_commit_rxon(priv
);
2473 iwl_setup_rxon_timing(priv
);
2474 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON_TIMING
,
2475 sizeof(priv
->rxon_timing
), &priv
->rxon_timing
);
2477 IWL_WARNING("REPLY_RXON_TIMING failed - "
2478 "Attempting to continue.\n");
2480 priv
->staging_rxon
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2482 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
2484 iwl_set_rxon_chain(priv
);
2485 priv
->staging_rxon
.assoc_id
= cpu_to_le16(priv
->assoc_id
);
2487 IWL_DEBUG_ASSOC("assoc id %d beacon interval %d\n",
2488 priv
->assoc_id
, priv
->beacon_int
);
2490 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
)
2491 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
2493 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2495 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) {
2496 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_SLOT_TIME
)
2497 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
2499 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2501 if (priv
->iw_mode
== NL80211_IFTYPE_ADHOC
)
2502 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2506 iwl4965_commit_rxon(priv
);
2508 switch (priv
->iw_mode
) {
2509 case NL80211_IFTYPE_STATION
:
2512 case NL80211_IFTYPE_ADHOC
:
2514 /* assume default assoc id */
2517 iwl_rxon_add_station(priv
, priv
->bssid
, 0);
2518 iwl4965_send_beacon_cmd(priv
);
2523 IWL_ERROR("%s Should not be called in %d mode\n",
2524 __func__
, priv
->iw_mode
);
2528 if (priv
->iw_mode
== NL80211_IFTYPE_ADHOC
)
2529 priv
->assoc_station_added
= 1;
2531 spin_lock_irqsave(&priv
->lock
, flags
);
2532 iwl_activate_qos(priv
, 0);
2533 spin_unlock_irqrestore(&priv
->lock
, flags
);
2535 /* the chain noise calibration will enabled PM upon completion
2536 * If chain noise has already been run, then we need to enable
2537 * power management here */
2538 if (priv
->chain_noise_data
.state
== IWL_CHAIN_NOISE_DONE
)
2539 iwl_power_enable_management(priv
);
2541 /* Enable Rx differential gain and sensitivity calibrations */
2542 iwl_chain_noise_reset(priv
);
2543 priv
->start_calib
= 1;
2547 /*****************************************************************************
2549 * mac80211 entry point functions
2551 *****************************************************************************/
2553 #define UCODE_READY_TIMEOUT (4 * HZ)
2555 static int iwl4965_mac_start(struct ieee80211_hw
*hw
)
2557 struct iwl_priv
*priv
= hw
->priv
;
2561 IWL_DEBUG_MAC80211("enter\n");
2563 if (pci_enable_device(priv
->pci_dev
)) {
2564 IWL_ERROR("Fail to pci_enable_device\n");
2567 pci_restore_state(priv
->pci_dev
);
2568 pci_enable_msi(priv
->pci_dev
);
2570 /* enable interrupts if needed: hw bug w/a */
2571 pci_read_config_word(priv
->pci_dev
, PCI_COMMAND
, &pci_cmd
);
2572 if (pci_cmd
& PCI_COMMAND_INTX_DISABLE
) {
2573 pci_cmd
&= ~PCI_COMMAND_INTX_DISABLE
;
2574 pci_write_config_word(priv
->pci_dev
, PCI_COMMAND
, pci_cmd
);
2577 ret
= request_irq(priv
->pci_dev
->irq
, iwl4965_isr
, IRQF_SHARED
,
2580 IWL_ERROR("Error allocating IRQ %d\n", priv
->pci_dev
->irq
);
2581 goto out_disable_msi
;
2584 /* we should be verifying the device is ready to be opened */
2585 mutex_lock(&priv
->mutex
);
2587 memset(&priv
->staging_rxon
, 0, sizeof(struct iwl_rxon_cmd
));
2588 /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
2589 * ucode filename and max sizes are card-specific. */
2591 if (!priv
->ucode_code
.len
) {
2592 ret
= iwl4965_read_ucode(priv
);
2594 IWL_ERROR("Could not read microcode: %d\n", ret
);
2595 mutex_unlock(&priv
->mutex
);
2596 goto out_release_irq
;
2600 ret
= __iwl4965_up(priv
);
2602 mutex_unlock(&priv
->mutex
);
2604 iwl_rfkill_set_hw_state(priv
);
2607 goto out_release_irq
;
2609 if (iwl_is_rfkill(priv
))
2612 IWL_DEBUG_INFO("Start UP work done.\n");
2614 if (test_bit(STATUS_IN_SUSPEND
, &priv
->status
))
2617 /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from
2618 * mac80211 will not be run successfully. */
2619 ret
= wait_event_interruptible_timeout(priv
->wait_command_queue
,
2620 test_bit(STATUS_READY
, &priv
->status
),
2621 UCODE_READY_TIMEOUT
);
2623 if (!test_bit(STATUS_READY
, &priv
->status
)) {
2624 IWL_ERROR("START_ALIVE timeout after %dms.\n",
2625 jiffies_to_msecs(UCODE_READY_TIMEOUT
));
2627 goto out_release_irq
;
2633 IWL_DEBUG_MAC80211("leave\n");
2637 free_irq(priv
->pci_dev
->irq
, priv
);
2639 pci_disable_msi(priv
->pci_dev
);
2640 pci_disable_device(priv
->pci_dev
);
2642 IWL_DEBUG_MAC80211("leave - failed\n");
2646 static void iwl4965_mac_stop(struct ieee80211_hw
*hw
)
2648 struct iwl_priv
*priv
= hw
->priv
;
2650 IWL_DEBUG_MAC80211("enter\n");
2652 if (!priv
->is_open
) {
2653 IWL_DEBUG_MAC80211("leave - skip\n");
2659 if (iwl_is_ready_rf(priv
)) {
2660 /* stop mac, cancel any scan request and clear
2661 * RXON_FILTER_ASSOC_MSK BIT
2663 mutex_lock(&priv
->mutex
);
2664 iwl_scan_cancel_timeout(priv
, 100);
2665 mutex_unlock(&priv
->mutex
);
2670 flush_workqueue(priv
->workqueue
);
2671 free_irq(priv
->pci_dev
->irq
, priv
);
2672 pci_disable_msi(priv
->pci_dev
);
2673 pci_save_state(priv
->pci_dev
);
2674 pci_disable_device(priv
->pci_dev
);
2676 IWL_DEBUG_MAC80211("leave\n");
2679 static int iwl4965_mac_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
2681 struct iwl_priv
*priv
= hw
->priv
;
2683 IWL_DEBUG_MACDUMP("enter\n");
2685 IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb
->len
,
2686 ieee80211_get_tx_rate(hw
, IEEE80211_SKB_CB(skb
))->bitrate
);
2688 if (iwl_tx_skb(priv
, skb
))
2689 dev_kfree_skb_any(skb
);
2691 IWL_DEBUG_MACDUMP("leave\n");
2695 static int iwl4965_mac_add_interface(struct ieee80211_hw
*hw
,
2696 struct ieee80211_if_init_conf
*conf
)
2698 struct iwl_priv
*priv
= hw
->priv
;
2699 unsigned long flags
;
2701 IWL_DEBUG_MAC80211("enter: type %d\n", conf
->type
);
2704 IWL_DEBUG_MAC80211("leave - vif != NULL\n");
2708 spin_lock_irqsave(&priv
->lock
, flags
);
2709 priv
->vif
= conf
->vif
;
2711 spin_unlock_irqrestore(&priv
->lock
, flags
);
2713 mutex_lock(&priv
->mutex
);
2715 if (conf
->mac_addr
) {
2716 IWL_DEBUG_MAC80211("Set %pM\n", conf
->mac_addr
);
2717 memcpy(priv
->mac_addr
, conf
->mac_addr
, ETH_ALEN
);
2720 if (iwl4965_set_mode(priv
, conf
->type
) == -EAGAIN
)
2721 /* we are not ready, will run again when ready */
2722 set_bit(STATUS_MODE_PENDING
, &priv
->status
);
2724 mutex_unlock(&priv
->mutex
);
2726 IWL_DEBUG_MAC80211("leave\n");
2731 * iwl4965_mac_config - mac80211 config callback
2733 * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to
2734 * be set inappropriately and the driver currently sets the hardware up to
2735 * use it whenever needed.
2737 static int iwl4965_mac_config(struct ieee80211_hw
*hw
, struct ieee80211_conf
*conf
)
2739 struct iwl_priv
*priv
= hw
->priv
;
2740 const struct iwl_channel_info
*ch_info
;
2741 unsigned long flags
;
2745 mutex_lock(&priv
->mutex
);
2746 IWL_DEBUG_MAC80211("enter to channel %d\n", conf
->channel
->hw_value
);
2748 if (conf
->radio_enabled
&& iwl_radio_kill_sw_enable_radio(priv
)) {
2749 IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
2753 if (!conf
->radio_enabled
)
2754 iwl_radio_kill_sw_disable_radio(priv
);
2756 if (!iwl_is_ready(priv
)) {
2757 IWL_DEBUG_MAC80211("leave - not ready\n");
2762 if (unlikely(!priv
->cfg
->mod_params
->disable_hw_scan
&&
2763 test_bit(STATUS_SCANNING
, &priv
->status
))) {
2764 IWL_DEBUG_MAC80211("leave - scanning\n");
2765 mutex_unlock(&priv
->mutex
);
2769 channel
= ieee80211_frequency_to_channel(conf
->channel
->center_freq
);
2770 ch_info
= iwl_get_channel_info(priv
, conf
->channel
->band
, channel
);
2771 if (!is_channel_valid(ch_info
)) {
2772 IWL_DEBUG_MAC80211("leave - invalid channel\n");
2777 if (priv
->iw_mode
== NL80211_IFTYPE_ADHOC
&&
2778 !is_channel_ibss(ch_info
)) {
2779 IWL_ERROR("channel %d in band %d not IBSS channel\n",
2780 conf
->channel
->hw_value
, conf
->channel
->band
);
2785 spin_lock_irqsave(&priv
->lock
, flags
);
2788 /* if we are switching from ht to 2.4 clear flags
2789 * from any ht related info since 2.4 does not
2791 if ((le16_to_cpu(priv
->staging_rxon
.channel
) != channel
)
2792 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
2793 && !(conf
->flags
& IEEE80211_CONF_CHANNEL_SWITCH
)
2796 priv
->staging_rxon
.flags
= 0;
2798 iwl_set_rxon_channel(priv
, conf
->channel
);
2800 iwl_set_flags_for_band(priv
, conf
->channel
->band
);
2802 /* The list of supported rates and rate mask can be different
2803 * for each band; since the band may have changed, reset
2804 * the rate mask to what mac80211 lists */
2805 iwl4965_set_rate(priv
);
2807 spin_unlock_irqrestore(&priv
->lock
, flags
);
2809 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
2810 if (conf
->flags
& IEEE80211_CONF_CHANNEL_SWITCH
) {
2811 iwl4965_hw_channel_switch(priv
, conf
->channel
);
2816 if (!conf
->radio_enabled
) {
2817 IWL_DEBUG_MAC80211("leave - radio disabled\n");
2821 if (iwl_is_rfkill(priv
)) {
2822 IWL_DEBUG_MAC80211("leave - RF kill\n");
2827 if (conf
->flags
& IEEE80211_CONF_PS
)
2828 ret
= iwl_power_set_user_mode(priv
, IWL_POWER_INDEX_3
);
2830 ret
= iwl_power_set_user_mode(priv
, IWL_POWER_MODE_CAM
);
2832 IWL_DEBUG_MAC80211("Error setting power level\n");
2834 IWL_DEBUG_MAC80211("TX Power old=%d new=%d\n",
2835 priv
->tx_power_user_lmt
, conf
->power_level
);
2837 iwl_set_tx_power(priv
, conf
->power_level
, false);
2839 iwl4965_set_rate(priv
);
2841 if (memcmp(&priv
->active_rxon
,
2842 &priv
->staging_rxon
, sizeof(priv
->staging_rxon
)))
2843 iwl4965_commit_rxon(priv
);
2845 IWL_DEBUG_INFO("No re-sending same RXON configuration.\n");
2847 IWL_DEBUG_MAC80211("leave\n");
2850 mutex_unlock(&priv
->mutex
);
2854 static void iwl4965_config_ap(struct iwl_priv
*priv
)
2857 unsigned long flags
;
2859 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2862 /* The following should be done only at AP bring up */
2863 if (!iwl_is_associated(priv
)) {
2865 /* RXON - unassoc (to set timing command) */
2866 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2867 iwl4965_commit_rxon(priv
);
2870 iwl_setup_rxon_timing(priv
);
2871 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON_TIMING
,
2872 sizeof(priv
->rxon_timing
), &priv
->rxon_timing
);
2874 IWL_WARNING("REPLY_RXON_TIMING failed - "
2875 "Attempting to continue.\n");
2877 iwl_set_rxon_chain(priv
);
2879 /* FIXME: what should be the assoc_id for AP? */
2880 priv
->staging_rxon
.assoc_id
= cpu_to_le16(priv
->assoc_id
);
2881 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
)
2882 priv
->staging_rxon
.flags
|=
2883 RXON_FLG_SHORT_PREAMBLE_MSK
;
2885 priv
->staging_rxon
.flags
&=
2886 ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2888 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) {
2889 if (priv
->assoc_capability
&
2890 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
2891 priv
->staging_rxon
.flags
|=
2892 RXON_FLG_SHORT_SLOT_MSK
;
2894 priv
->staging_rxon
.flags
&=
2895 ~RXON_FLG_SHORT_SLOT_MSK
;
2897 if (priv
->iw_mode
== NL80211_IFTYPE_ADHOC
)
2898 priv
->staging_rxon
.flags
&=
2899 ~RXON_FLG_SHORT_SLOT_MSK
;
2901 /* restore RXON assoc */
2902 priv
->staging_rxon
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2903 iwl4965_commit_rxon(priv
);
2904 spin_lock_irqsave(&priv
->lock
, flags
);
2905 iwl_activate_qos(priv
, 1);
2906 spin_unlock_irqrestore(&priv
->lock
, flags
);
2907 iwl_rxon_add_station(priv
, iwl_bcast_addr
, 0);
2909 iwl4965_send_beacon_cmd(priv
);
2911 /* FIXME - we need to add code here to detect a totally new
2912 * configuration, reset the AP, unassoc, rxon timing, assoc,
2913 * clear sta table, add BCAST sta... */
2917 static int iwl4965_mac_beacon_update(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
2919 static int iwl4965_mac_config_interface(struct ieee80211_hw
*hw
,
2920 struct ieee80211_vif
*vif
,
2921 struct ieee80211_if_conf
*conf
)
2923 struct iwl_priv
*priv
= hw
->priv
;
2924 unsigned long flags
;
2930 if (priv
->vif
!= vif
) {
2931 IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
2935 if (priv
->iw_mode
== NL80211_IFTYPE_ADHOC
&&
2936 conf
->changed
& IEEE80211_IFCC_BEACON
) {
2937 struct sk_buff
*beacon
= ieee80211_beacon_get(hw
, vif
);
2940 rc
= iwl4965_mac_beacon_update(hw
, beacon
);
2945 if ((priv
->iw_mode
== NL80211_IFTYPE_AP
) &&
2946 (!conf
->ssid_len
)) {
2948 ("Leaving in AP mode because HostAPD is not ready.\n");
2952 if (!iwl_is_alive(priv
))
2955 mutex_lock(&priv
->mutex
);
2958 IWL_DEBUG_MAC80211("bssid: %pM\n", conf
->bssid
);
2961 * very dubious code was here; the probe filtering flag is never set:
2963 if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
2964 !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
2967 if (priv
->iw_mode
== NL80211_IFTYPE_AP
) {
2969 conf
->bssid
= priv
->mac_addr
;
2970 memcpy(priv
->bssid
, priv
->mac_addr
, ETH_ALEN
);
2971 IWL_DEBUG_MAC80211("bssid was set to: %pM\n",
2974 if (priv
->ibss_beacon
)
2975 dev_kfree_skb(priv
->ibss_beacon
);
2977 priv
->ibss_beacon
= ieee80211_beacon_get(hw
, vif
);
2980 if (iwl_is_rfkill(priv
))
2983 if (conf
->bssid
&& !is_zero_ether_addr(conf
->bssid
) &&
2984 !is_multicast_ether_addr(conf
->bssid
)) {
2985 /* If there is currently a HW scan going on in the background
2986 * then we need to cancel it else the RXON below will fail. */
2987 if (iwl_scan_cancel_timeout(priv
, 100)) {
2988 IWL_WARNING("Aborted scan still in progress "
2990 IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
2991 mutex_unlock(&priv
->mutex
);
2994 memcpy(priv
->staging_rxon
.bssid_addr
, conf
->bssid
, ETH_ALEN
);
2996 /* TODO: Audit driver for usage of these members and see
2997 * if mac80211 deprecates them (priv->bssid looks like it
2998 * shouldn't be there, but I haven't scanned the IBSS code
2999 * to verify) - jpk */
3000 memcpy(priv
->bssid
, conf
->bssid
, ETH_ALEN
);
3002 if (priv
->iw_mode
== NL80211_IFTYPE_AP
)
3003 iwl4965_config_ap(priv
);
3005 rc
= iwl4965_commit_rxon(priv
);
3006 if ((priv
->iw_mode
== NL80211_IFTYPE_STATION
) && rc
)
3007 iwl_rxon_add_station(
3008 priv
, priv
->active_rxon
.bssid_addr
, 1);
3012 iwl_scan_cancel_timeout(priv
, 100);
3013 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3014 iwl4965_commit_rxon(priv
);
3018 spin_lock_irqsave(&priv
->lock
, flags
);
3019 if (!conf
->ssid_len
)
3020 memset(priv
->essid
, 0, IW_ESSID_MAX_SIZE
);
3022 memcpy(priv
->essid
, conf
->ssid
, conf
->ssid_len
);
3024 priv
->essid_len
= conf
->ssid_len
;
3025 spin_unlock_irqrestore(&priv
->lock
, flags
);
3027 IWL_DEBUG_MAC80211("leave\n");
3028 mutex_unlock(&priv
->mutex
);
3033 static void iwl4965_configure_filter(struct ieee80211_hw
*hw
,
3034 unsigned int changed_flags
,
3035 unsigned int *total_flags
,
3036 int mc_count
, struct dev_addr_list
*mc_list
)
3038 struct iwl_priv
*priv
= hw
->priv
;
3040 if (changed_flags
& (*total_flags
) & FIF_OTHER_BSS
) {
3041 IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n",
3042 NL80211_IFTYPE_MONITOR
,
3043 changed_flags
, *total_flags
);
3044 /* queue work 'cuz mac80211 is holding a lock which
3045 * prevents us from issuing (synchronous) f/w cmds */
3046 queue_work(priv
->workqueue
, &priv
->set_monitor
);
3048 *total_flags
&= FIF_OTHER_BSS
| FIF_ALLMULTI
|
3049 FIF_BCN_PRBRESP_PROMISC
| FIF_CONTROL
;
3052 static void iwl4965_mac_remove_interface(struct ieee80211_hw
*hw
,
3053 struct ieee80211_if_init_conf
*conf
)
3055 struct iwl_priv
*priv
= hw
->priv
;
3057 IWL_DEBUG_MAC80211("enter\n");
3059 mutex_lock(&priv
->mutex
);
3061 if (iwl_is_ready_rf(priv
)) {
3062 iwl_scan_cancel_timeout(priv
, 100);
3063 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3064 iwl4965_commit_rxon(priv
);
3066 if (priv
->vif
== conf
->vif
) {
3068 memset(priv
->bssid
, 0, ETH_ALEN
);
3069 memset(priv
->essid
, 0, IW_ESSID_MAX_SIZE
);
3070 priv
->essid_len
= 0;
3072 mutex_unlock(&priv
->mutex
);
3074 IWL_DEBUG_MAC80211("leave\n");
3078 #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
3079 static void iwl4965_bss_info_changed(struct ieee80211_hw
*hw
,
3080 struct ieee80211_vif
*vif
,
3081 struct ieee80211_bss_conf
*bss_conf
,
3084 struct iwl_priv
*priv
= hw
->priv
;
3086 IWL_DEBUG_MAC80211("changes = 0x%X\n", changes
);
3088 if (changes
& BSS_CHANGED_ERP_PREAMBLE
) {
3089 IWL_DEBUG_MAC80211("ERP_PREAMBLE %d\n",
3090 bss_conf
->use_short_preamble
);
3091 if (bss_conf
->use_short_preamble
)
3092 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
3094 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
3097 if (changes
& BSS_CHANGED_ERP_CTS_PROT
) {
3098 IWL_DEBUG_MAC80211("ERP_CTS %d\n", bss_conf
->use_cts_prot
);
3099 if (bss_conf
->use_cts_prot
&& (priv
->band
!= IEEE80211_BAND_5GHZ
))
3100 priv
->staging_rxon
.flags
|= RXON_FLG_TGG_PROTECT_MSK
;
3102 priv
->staging_rxon
.flags
&= ~RXON_FLG_TGG_PROTECT_MSK
;
3105 if (changes
& BSS_CHANGED_HT
) {
3106 IWL_DEBUG_MAC80211("HT %d\n", bss_conf
->assoc_ht
);
3107 iwl4965_ht_conf(priv
, bss_conf
);
3108 iwl_set_rxon_chain(priv
);
3111 if (changes
& BSS_CHANGED_ASSOC
) {
3112 IWL_DEBUG_MAC80211("ASSOC %d\n", bss_conf
->assoc
);
3113 /* This should never happen as this function should
3114 * never be called from interrupt context. */
3115 if (WARN_ON_ONCE(in_interrupt()))
3117 if (bss_conf
->assoc
) {
3118 priv
->assoc_id
= bss_conf
->aid
;
3119 priv
->beacon_int
= bss_conf
->beacon_int
;
3120 priv
->power_data
.dtim_period
= bss_conf
->dtim_period
;
3121 priv
->timestamp
= bss_conf
->timestamp
;
3122 priv
->assoc_capability
= bss_conf
->assoc_capability
;
3124 /* we have just associated, don't start scan too early
3125 * leave time for EAPOL exchange to complete
3127 priv
->next_scan_jiffies
= jiffies
+
3128 IWL_DELAY_NEXT_SCAN_AFTER_ASSOC
;
3129 mutex_lock(&priv
->mutex
);
3130 iwl4965_post_associate(priv
);
3131 mutex_unlock(&priv
->mutex
);
3134 IWL_DEBUG_MAC80211("DISASSOC %d\n", bss_conf
->assoc
);
3136 } else if (changes
&& iwl_is_associated(priv
) && priv
->assoc_id
) {
3137 IWL_DEBUG_MAC80211("Associated Changes %d\n", changes
);
3138 iwl_send_rxon_assoc(priv
);
3143 static int iwl_mac_hw_scan(struct ieee80211_hw
*hw
, u8
*ssid
, size_t ssid_len
)
3145 unsigned long flags
;
3146 struct iwl_priv
*priv
= hw
->priv
;
3149 IWL_DEBUG_MAC80211("enter\n");
3151 mutex_lock(&priv
->mutex
);
3152 spin_lock_irqsave(&priv
->lock
, flags
);
3154 if (!iwl_is_ready_rf(priv
)) {
3156 IWL_DEBUG_MAC80211("leave - not ready or exit pending\n");
3160 if (priv
->iw_mode
== NL80211_IFTYPE_AP
) { /* APs don't scan */
3162 IWL_ERROR("ERROR: APs don't scan\n");
3166 /* We don't schedule scan within next_scan_jiffies period.
3167 * Avoid scanning during possible EAPOL exchange, return
3168 * success immediately.
3170 if (priv
->next_scan_jiffies
&&
3171 time_after(priv
->next_scan_jiffies
, jiffies
)) {
3172 IWL_DEBUG_SCAN("scan rejected: within next scan period\n");
3173 queue_work(priv
->workqueue
, &priv
->scan_completed
);
3178 /* if we just finished scan ask for delay */
3179 if (iwl_is_associated(priv
) && priv
->last_scan_jiffies
&&
3180 time_after(priv
->last_scan_jiffies
+ IWL_DELAY_NEXT_SCAN
, jiffies
)) {
3181 IWL_DEBUG_SCAN("scan rejected: within previous scan period\n");
3182 queue_work(priv
->workqueue
, &priv
->scan_completed
);
3188 priv
->one_direct_scan
= 1;
3189 priv
->direct_ssid_len
= min_t(u8
, ssid_len
, IW_ESSID_MAX_SIZE
);
3190 memcpy(priv
->direct_ssid
, ssid
, priv
->direct_ssid_len
);
3192 priv
->one_direct_scan
= 0;
3195 ret
= iwl_scan_initiate(priv
);
3197 IWL_DEBUG_MAC80211("leave\n");
3200 spin_unlock_irqrestore(&priv
->lock
, flags
);
3201 mutex_unlock(&priv
->mutex
);
3206 static void iwl4965_mac_update_tkip_key(struct ieee80211_hw
*hw
,
3207 struct ieee80211_key_conf
*keyconf
, const u8
*addr
,
3208 u32 iv32
, u16
*phase1key
)
3210 struct iwl_priv
*priv
= hw
->priv
;
3211 u8 sta_id
= IWL_INVALID_STATION
;
3212 unsigned long flags
;
3213 __le16 key_flags
= 0;
3216 IWL_DEBUG_MAC80211("enter\n");
3218 sta_id
= iwl_find_station(priv
, addr
);
3219 if (sta_id
== IWL_INVALID_STATION
) {
3220 IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
3225 iwl_scan_cancel_timeout(priv
, 100);
3227 key_flags
|= (STA_KEY_FLG_TKIP
| STA_KEY_FLG_MAP_KEY_MSK
);
3228 key_flags
|= cpu_to_le16(keyconf
->keyidx
<< STA_KEY_FLG_KEYID_POS
);
3229 key_flags
&= ~STA_KEY_FLG_INVALID
;
3231 if (sta_id
== priv
->hw_params
.bcast_sta_id
)
3232 key_flags
|= STA_KEY_MULTICAST_MSK
;
3234 spin_lock_irqsave(&priv
->sta_lock
, flags
);
3236 priv
->stations
[sta_id
].sta
.key
.key_flags
= key_flags
;
3237 priv
->stations
[sta_id
].sta
.key
.tkip_rx_tsc_byte2
= (u8
) iv32
;
3239 for (i
= 0; i
< 5; i
++)
3240 priv
->stations
[sta_id
].sta
.key
.tkip_rx_ttak
[i
] =
3241 cpu_to_le16(phase1key
[i
]);
3243 priv
->stations
[sta_id
].sta
.sta
.modify_mask
= STA_MODIFY_KEY_MASK
;
3244 priv
->stations
[sta_id
].sta
.mode
= STA_CONTROL_MODIFY_MSK
;
3246 iwl_send_add_sta(priv
, &priv
->stations
[sta_id
].sta
, CMD_ASYNC
);
3248 spin_unlock_irqrestore(&priv
->sta_lock
, flags
);
3250 IWL_DEBUG_MAC80211("leave\n");
3253 static int iwl4965_mac_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
3254 const u8
*local_addr
, const u8
*addr
,
3255 struct ieee80211_key_conf
*key
)
3257 struct iwl_priv
*priv
= hw
->priv
;
3259 u8 sta_id
= IWL_INVALID_STATION
;
3260 u8 is_default_wep_key
= 0;
3262 IWL_DEBUG_MAC80211("enter\n");
3264 if (priv
->hw_params
.sw_crypto
) {
3265 IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n");
3269 if (is_zero_ether_addr(addr
))
3270 /* only support pairwise keys */
3273 sta_id
= iwl_find_station(priv
, addr
);
3274 if (sta_id
== IWL_INVALID_STATION
) {
3275 IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
3281 mutex_lock(&priv
->mutex
);
3282 iwl_scan_cancel_timeout(priv
, 100);
3283 mutex_unlock(&priv
->mutex
);
3285 /* If we are getting WEP group key and we didn't receive any key mapping
3286 * so far, we are in legacy wep mode (group key only), otherwise we are
3288 * In legacy wep mode, we use another host command to the uCode */
3289 if (key
->alg
== ALG_WEP
&& sta_id
== priv
->hw_params
.bcast_sta_id
&&
3290 priv
->iw_mode
!= NL80211_IFTYPE_AP
) {
3292 is_default_wep_key
= !priv
->key_mapping_key
;
3294 is_default_wep_key
=
3295 (key
->hw_key_idx
== HW_KEY_DEFAULT
);
3300 if (is_default_wep_key
)
3301 ret
= iwl_set_default_wep_key(priv
, key
);
3303 ret
= iwl_set_dynamic_key(priv
, key
, sta_id
);
3305 IWL_DEBUG_MAC80211("enable hwcrypto key\n");
3308 if (is_default_wep_key
)
3309 ret
= iwl_remove_default_wep_key(priv
, key
);
3311 ret
= iwl_remove_dynamic_key(priv
, key
, sta_id
);
3313 IWL_DEBUG_MAC80211("disable hwcrypto key\n");
3319 IWL_DEBUG_MAC80211("leave\n");
3324 static int iwl4965_mac_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
3325 const struct ieee80211_tx_queue_params
*params
)
3327 struct iwl_priv
*priv
= hw
->priv
;
3328 unsigned long flags
;
3331 IWL_DEBUG_MAC80211("enter\n");
3333 if (!iwl_is_ready_rf(priv
)) {
3334 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3338 if (queue
>= AC_NUM
) {
3339 IWL_DEBUG_MAC80211("leave - queue >= AC_NUM %d\n", queue
);
3343 if (!priv
->qos_data
.qos_enable
) {
3344 priv
->qos_data
.qos_active
= 0;
3345 IWL_DEBUG_MAC80211("leave - qos not enabled\n");
3348 q
= AC_NUM
- 1 - queue
;
3350 spin_lock_irqsave(&priv
->lock
, flags
);
3352 priv
->qos_data
.def_qos_parm
.ac
[q
].cw_min
= cpu_to_le16(params
->cw_min
);
3353 priv
->qos_data
.def_qos_parm
.ac
[q
].cw_max
= cpu_to_le16(params
->cw_max
);
3354 priv
->qos_data
.def_qos_parm
.ac
[q
].aifsn
= params
->aifs
;
3355 priv
->qos_data
.def_qos_parm
.ac
[q
].edca_txop
=
3356 cpu_to_le16((params
->txop
* 32));
3358 priv
->qos_data
.def_qos_parm
.ac
[q
].reserved1
= 0;
3359 priv
->qos_data
.qos_active
= 1;
3361 if (priv
->iw_mode
== NL80211_IFTYPE_AP
)
3362 iwl_activate_qos(priv
, 1);
3363 else if (priv
->assoc_id
&& iwl_is_associated(priv
))
3364 iwl_activate_qos(priv
, 0);
3366 spin_unlock_irqrestore(&priv
->lock
, flags
);
3368 IWL_DEBUG_MAC80211("leave\n");
3372 static int iwl4965_mac_ampdu_action(struct ieee80211_hw
*hw
,
3373 enum ieee80211_ampdu_mlme_action action
,
3374 struct ieee80211_sta
*sta
, u16 tid
, u16
*ssn
)
3376 struct iwl_priv
*priv
= hw
->priv
;
3378 IWL_DEBUG_HT("A-MPDU action on addr %pM tid %d\n",
3381 if (!(priv
->cfg
->sku
& IWL_SKU_N
))
3385 case IEEE80211_AMPDU_RX_START
:
3386 IWL_DEBUG_HT("start Rx\n");
3387 return iwl_rx_agg_start(priv
, sta
->addr
, tid
, *ssn
);
3388 case IEEE80211_AMPDU_RX_STOP
:
3389 IWL_DEBUG_HT("stop Rx\n");
3390 return iwl_rx_agg_stop(priv
, sta
->addr
, tid
);
3391 case IEEE80211_AMPDU_TX_START
:
3392 IWL_DEBUG_HT("start Tx\n");
3393 return iwl_tx_agg_start(priv
, sta
->addr
, tid
, ssn
);
3394 case IEEE80211_AMPDU_TX_STOP
:
3395 IWL_DEBUG_HT("stop Tx\n");
3396 return iwl_tx_agg_stop(priv
, sta
->addr
, tid
);
3398 IWL_DEBUG_HT("unknown\n");
3404 static int iwl4965_mac_get_tx_stats(struct ieee80211_hw
*hw
,
3405 struct ieee80211_tx_queue_stats
*stats
)
3407 struct iwl_priv
*priv
= hw
->priv
;
3409 struct iwl_tx_queue
*txq
;
3410 struct iwl_queue
*q
;
3411 unsigned long flags
;
3413 IWL_DEBUG_MAC80211("enter\n");
3415 if (!iwl_is_ready_rf(priv
)) {
3416 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3420 spin_lock_irqsave(&priv
->lock
, flags
);
3422 for (i
= 0; i
< AC_NUM
; i
++) {
3423 txq
= &priv
->txq
[i
];
3425 avail
= iwl_queue_space(q
);
3427 stats
[i
].len
= q
->n_window
- avail
;
3428 stats
[i
].limit
= q
->n_window
- q
->high_mark
;
3429 stats
[i
].count
= q
->n_window
;
3432 spin_unlock_irqrestore(&priv
->lock
, flags
);
3434 IWL_DEBUG_MAC80211("leave\n");
3439 static int iwl4965_mac_get_stats(struct ieee80211_hw
*hw
,
3440 struct ieee80211_low_level_stats
*stats
)
3442 struct iwl_priv
*priv
= hw
->priv
;
3445 IWL_DEBUG_MAC80211("enter\n");
3446 IWL_DEBUG_MAC80211("leave\n");
3451 static void iwl4965_mac_reset_tsf(struct ieee80211_hw
*hw
)
3453 struct iwl_priv
*priv
= hw
->priv
;
3454 unsigned long flags
;
3456 mutex_lock(&priv
->mutex
);
3457 IWL_DEBUG_MAC80211("enter\n");
3459 spin_lock_irqsave(&priv
->lock
, flags
);
3460 memset(&priv
->current_ht_config
, 0, sizeof(struct iwl_ht_info
));
3461 spin_unlock_irqrestore(&priv
->lock
, flags
);
3463 iwl_reset_qos(priv
);
3465 spin_lock_irqsave(&priv
->lock
, flags
);
3467 priv
->assoc_capability
= 0;
3468 priv
->assoc_station_added
= 0;
3470 /* new association get rid of ibss beacon skb */
3471 if (priv
->ibss_beacon
)
3472 dev_kfree_skb(priv
->ibss_beacon
);
3474 priv
->ibss_beacon
= NULL
;
3476 priv
->beacon_int
= priv
->hw
->conf
.beacon_int
;
3477 priv
->timestamp
= 0;
3478 if ((priv
->iw_mode
== NL80211_IFTYPE_STATION
))
3479 priv
->beacon_int
= 0;
3481 spin_unlock_irqrestore(&priv
->lock
, flags
);
3483 if (!iwl_is_ready_rf(priv
)) {
3484 IWL_DEBUG_MAC80211("leave - not ready\n");
3485 mutex_unlock(&priv
->mutex
);
3489 /* we are restarting association process
3490 * clear RXON_FILTER_ASSOC_MSK bit
3492 if (priv
->iw_mode
!= NL80211_IFTYPE_AP
) {
3493 iwl_scan_cancel_timeout(priv
, 100);
3494 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3495 iwl4965_commit_rxon(priv
);
3498 iwl_power_update_mode(priv
, 0);
3500 /* Per mac80211.h: This is only used in IBSS mode... */
3501 if (priv
->iw_mode
!= NL80211_IFTYPE_ADHOC
) {
3503 /* switch to CAM during association period.
3504 * the ucode will block any association/authentication
3505 * frome during assiciation period if it can not hear
3506 * the AP because of PM. the timer enable PM back is
3507 * association do not complete
3509 if (priv
->hw
->conf
.channel
->flags
& (IEEE80211_CHAN_PASSIVE_SCAN
|
3510 IEEE80211_CHAN_RADAR
))
3511 iwl_power_disable_management(priv
, 3000);
3513 IWL_DEBUG_MAC80211("leave - not in IBSS\n");
3514 mutex_unlock(&priv
->mutex
);
3518 iwl4965_set_rate(priv
);
3520 mutex_unlock(&priv
->mutex
);
3522 IWL_DEBUG_MAC80211("leave\n");
3525 static int iwl4965_mac_beacon_update(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
3527 struct iwl_priv
*priv
= hw
->priv
;
3528 unsigned long flags
;
3531 mutex_lock(&priv
->mutex
);
3532 IWL_DEBUG_MAC80211("enter\n");
3534 if (!iwl_is_ready_rf(priv
)) {
3535 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3536 mutex_unlock(&priv
->mutex
);
3540 if (priv
->iw_mode
!= NL80211_IFTYPE_ADHOC
) {
3541 IWL_DEBUG_MAC80211("leave - not IBSS\n");
3542 mutex_unlock(&priv
->mutex
);
3546 spin_lock_irqsave(&priv
->lock
, flags
);
3548 if (priv
->ibss_beacon
)
3549 dev_kfree_skb(priv
->ibss_beacon
);
3551 priv
->ibss_beacon
= skb
;
3554 timestamp
= ((struct ieee80211_mgmt
*)skb
->data
)->u
.beacon
.timestamp
;
3555 priv
->timestamp
= le64_to_cpu(timestamp
);
3557 IWL_DEBUG_MAC80211("leave\n");
3558 spin_unlock_irqrestore(&priv
->lock
, flags
);
3560 iwl_reset_qos(priv
);
3562 iwl4965_post_associate(priv
);
3564 mutex_unlock(&priv
->mutex
);
3569 /*****************************************************************************
3573 *****************************************************************************/
3575 #ifdef CONFIG_IWLWIFI_DEBUG
3578 * The following adds a new attribute to the sysfs representation
3579 * of this device driver (i.e. a new file in /sys/bus/pci/drivers/iwl/)
3580 * used for controlling the debug level.
3582 * See the level definitions in iwl for details.
3585 static ssize_t
show_debug_level(struct device
*d
,
3586 struct device_attribute
*attr
, char *buf
)
3588 struct iwl_priv
*priv
= d
->driver_data
;
3590 return sprintf(buf
, "0x%08X\n", priv
->debug_level
);
3592 static ssize_t
store_debug_level(struct device
*d
,
3593 struct device_attribute
*attr
,
3594 const char *buf
, size_t count
)
3596 struct iwl_priv
*priv
= d
->driver_data
;
3600 ret
= strict_strtoul(buf
, 0, &val
);
3602 printk(KERN_INFO DRV_NAME
3603 ": %s is not in hex or decimal form.\n", buf
);
3605 priv
->debug_level
= val
;
3607 return strnlen(buf
, count
);
3610 static DEVICE_ATTR(debug_level
, S_IWUSR
| S_IRUGO
,
3611 show_debug_level
, store_debug_level
);
3614 #endif /* CONFIG_IWLWIFI_DEBUG */
3617 static ssize_t
show_version(struct device
*d
,
3618 struct device_attribute
*attr
, char *buf
)
3620 struct iwl_priv
*priv
= d
->driver_data
;
3621 struct iwl_alive_resp
*palive
= &priv
->card_alive
;
3625 if (palive
->is_valid
)
3626 pos
+= sprintf(buf
+ pos
,
3627 "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n"
3628 "fw type: 0x%01X 0x%01X\n",
3629 palive
->ucode_major
, palive
->ucode_minor
,
3630 palive
->sw_rev
[0], palive
->sw_rev
[1],
3631 palive
->ver_type
, palive
->ver_subtype
);
3633 pos
+= sprintf(buf
+ pos
, "fw not loaded\n");
3636 eeprom_ver
= iwl_eeprom_query16(priv
, EEPROM_VERSION
);
3637 pos
+= sprintf(buf
+ pos
, "EEPROM version: 0x%x\n",
3640 pos
+= sprintf(buf
+ pos
, "EEPROM not initialzed\n");
3646 static DEVICE_ATTR(version
, S_IWUSR
| S_IRUGO
, show_version
, NULL
);
3648 static ssize_t
show_temperature(struct device
*d
,
3649 struct device_attribute
*attr
, char *buf
)
3651 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3653 if (!iwl_is_alive(priv
))
3656 return sprintf(buf
, "%d\n", priv
->temperature
);
3659 static DEVICE_ATTR(temperature
, S_IRUGO
, show_temperature
, NULL
);
3661 static ssize_t
show_tx_power(struct device
*d
,
3662 struct device_attribute
*attr
, char *buf
)
3664 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3665 return sprintf(buf
, "%d\n", priv
->tx_power_user_lmt
);
3668 static ssize_t
store_tx_power(struct device
*d
,
3669 struct device_attribute
*attr
,
3670 const char *buf
, size_t count
)
3672 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3676 ret
= strict_strtoul(buf
, 10, &val
);
3678 printk(KERN_INFO DRV_NAME
3679 ": %s is not in decimal form.\n", buf
);
3681 iwl_set_tx_power(priv
, val
, false);
3686 static DEVICE_ATTR(tx_power
, S_IWUSR
| S_IRUGO
, show_tx_power
, store_tx_power
);
3688 static ssize_t
show_flags(struct device
*d
,
3689 struct device_attribute
*attr
, char *buf
)
3691 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3693 return sprintf(buf
, "0x%04X\n", priv
->active_rxon
.flags
);
3696 static ssize_t
store_flags(struct device
*d
,
3697 struct device_attribute
*attr
,
3698 const char *buf
, size_t count
)
3700 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3703 int ret
= strict_strtoul(buf
, 0, &val
);
3708 mutex_lock(&priv
->mutex
);
3709 if (le32_to_cpu(priv
->staging_rxon
.flags
) != flags
) {
3710 /* Cancel any currently running scans... */
3711 if (iwl_scan_cancel_timeout(priv
, 100))
3712 IWL_WARNING("Could not cancel scan.\n");
3714 IWL_DEBUG_INFO("Commit rxon.flags = 0x%04X\n", flags
);
3715 priv
->staging_rxon
.flags
= cpu_to_le32(flags
);
3716 iwl4965_commit_rxon(priv
);
3719 mutex_unlock(&priv
->mutex
);
3724 static DEVICE_ATTR(flags
, S_IWUSR
| S_IRUGO
, show_flags
, store_flags
);
3726 static ssize_t
show_filter_flags(struct device
*d
,
3727 struct device_attribute
*attr
, char *buf
)
3729 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3731 return sprintf(buf
, "0x%04X\n",
3732 le32_to_cpu(priv
->active_rxon
.filter_flags
));
3735 static ssize_t
store_filter_flags(struct device
*d
,
3736 struct device_attribute
*attr
,
3737 const char *buf
, size_t count
)
3739 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3742 int ret
= strict_strtoul(buf
, 0, &val
);
3745 filter_flags
= (u32
)val
;
3747 mutex_lock(&priv
->mutex
);
3748 if (le32_to_cpu(priv
->staging_rxon
.filter_flags
) != filter_flags
) {
3749 /* Cancel any currently running scans... */
3750 if (iwl_scan_cancel_timeout(priv
, 100))
3751 IWL_WARNING("Could not cancel scan.\n");
3753 IWL_DEBUG_INFO("Committing rxon.filter_flags = "
3754 "0x%04X\n", filter_flags
);
3755 priv
->staging_rxon
.filter_flags
=
3756 cpu_to_le32(filter_flags
);
3757 iwl4965_commit_rxon(priv
);
3760 mutex_unlock(&priv
->mutex
);
3765 static DEVICE_ATTR(filter_flags
, S_IWUSR
| S_IRUGO
, show_filter_flags
,
3766 store_filter_flags
);
3768 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
3770 static ssize_t
show_measurement(struct device
*d
,
3771 struct device_attribute
*attr
, char *buf
)
3773 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3774 struct iwl4965_spectrum_notification measure_report
;
3775 u32 size
= sizeof(measure_report
), len
= 0, ofs
= 0;
3776 u8
*data
= (u8
*)&measure_report
;
3777 unsigned long flags
;
3779 spin_lock_irqsave(&priv
->lock
, flags
);
3780 if (!(priv
->measurement_status
& MEASUREMENT_READY
)) {
3781 spin_unlock_irqrestore(&priv
->lock
, flags
);
3784 memcpy(&measure_report
, &priv
->measure_report
, size
);
3785 priv
->measurement_status
= 0;
3786 spin_unlock_irqrestore(&priv
->lock
, flags
);
3788 while (size
&& (PAGE_SIZE
- len
)) {
3789 hex_dump_to_buffer(data
+ ofs
, size
, 16, 1, buf
+ len
,
3790 PAGE_SIZE
- len
, 1);
3792 if (PAGE_SIZE
- len
)
3796 size
-= min(size
, 16U);
3802 static ssize_t
store_measurement(struct device
*d
,
3803 struct device_attribute
*attr
,
3804 const char *buf
, size_t count
)
3806 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3807 struct ieee80211_measurement_params params
= {
3808 .channel
= le16_to_cpu(priv
->active_rxon
.channel
),
3809 .start_time
= cpu_to_le64(priv
->last_tsf
),
3810 .duration
= cpu_to_le16(1),
3812 u8 type
= IWL_MEASURE_BASIC
;
3818 strncpy(buffer
, buf
, min(sizeof(buffer
), count
));
3819 channel
= simple_strtoul(p
, NULL
, 0);
3821 params
.channel
= channel
;
3824 while (*p
&& *p
!= ' ')
3827 type
= simple_strtoul(p
+ 1, NULL
, 0);
3830 IWL_DEBUG_INFO("Invoking measurement of type %d on "
3831 "channel %d (for '%s')\n", type
, params
.channel
, buf
);
3832 iwl4965_get_measurement(priv
, ¶ms
, type
);
3837 static DEVICE_ATTR(measurement
, S_IRUSR
| S_IWUSR
,
3838 show_measurement
, store_measurement
);
3839 #endif /* CONFIG_IWLAGN_SPECTRUM_MEASUREMENT */
3841 static ssize_t
store_retry_rate(struct device
*d
,
3842 struct device_attribute
*attr
,
3843 const char *buf
, size_t count
)
3845 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3847 int ret
= strict_strtol(buf
, 10, &val
);
3851 priv
->retry_rate
= (val
> 0) ? val
: 1;
3856 static ssize_t
show_retry_rate(struct device
*d
,
3857 struct device_attribute
*attr
, char *buf
)
3859 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3860 return sprintf(buf
, "%d", priv
->retry_rate
);
3863 static DEVICE_ATTR(retry_rate
, S_IWUSR
| S_IRUSR
, show_retry_rate
,
3866 static ssize_t
store_power_level(struct device
*d
,
3867 struct device_attribute
*attr
,
3868 const char *buf
, size_t count
)
3870 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3875 mutex_lock(&priv
->mutex
);
3877 if (!iwl_is_ready(priv
)) {
3882 ret
= strict_strtoul(buf
, 10, &mode
);
3886 ret
= iwl_power_set_user_mode(priv
, mode
);
3888 IWL_DEBUG_MAC80211("failed setting power mode.\n");
3894 mutex_unlock(&priv
->mutex
);
3898 static ssize_t
show_power_level(struct device
*d
,
3899 struct device_attribute
*attr
, char *buf
)
3901 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3902 int mode
= priv
->power_data
.user_power_setting
;
3903 int system
= priv
->power_data
.system_power_setting
;
3904 int level
= priv
->power_data
.power_mode
;
3908 case IWL_POWER_SYS_AUTO
:
3909 p
+= sprintf(p
, "SYSTEM:auto");
3911 case IWL_POWER_SYS_AC
:
3912 p
+= sprintf(p
, "SYSTEM:ac");
3914 case IWL_POWER_SYS_BATTERY
:
3915 p
+= sprintf(p
, "SYSTEM:battery");
3919 p
+= sprintf(p
, "\tMODE:%s", (mode
< IWL_POWER_AUTO
)?"fixed":"auto");
3920 p
+= sprintf(p
, "\tINDEX:%d", level
);
3921 p
+= sprintf(p
, "\n");
3925 static DEVICE_ATTR(power_level
, S_IWUSR
| S_IRUSR
, show_power_level
,
3928 static ssize_t
show_channels(struct device
*d
,
3929 struct device_attribute
*attr
, char *buf
)
3932 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3933 struct ieee80211_channel
*channels
= NULL
;
3934 const struct ieee80211_supported_band
*supp_band
= NULL
;
3938 if (!test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
))
3941 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_2GHZ
);
3942 channels
= supp_band
->channels
;
3943 count
= supp_band
->n_channels
;
3945 len
+= sprintf(&buf
[len
],
3946 "Displaying %d channels in 2.4GHz band "
3947 "(802.11bg):\n", count
);
3949 for (i
= 0; i
< count
; i
++)
3950 len
+= sprintf(&buf
[len
], "%d: %ddBm: BSS%s%s, %s.\n",
3951 ieee80211_frequency_to_channel(
3952 channels
[i
].center_freq
),
3953 channels
[i
].max_power
,
3954 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
3955 " (IEEE 802.11h required)" : "",
3956 (!(channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
3957 || (channels
[i
].flags
&
3958 IEEE80211_CHAN_RADAR
)) ? "" :
3961 IEEE80211_CHAN_PASSIVE_SCAN
?
3962 "passive only" : "active/passive");
3964 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_5GHZ
);
3965 channels
= supp_band
->channels
;
3966 count
= supp_band
->n_channels
;
3968 len
+= sprintf(&buf
[len
], "Displaying %d channels in 5.2GHz band "
3969 "(802.11a):\n", count
);
3971 for (i
= 0; i
< count
; i
++)
3972 len
+= sprintf(&buf
[len
], "%d: %ddBm: BSS%s%s, %s.\n",
3973 ieee80211_frequency_to_channel(
3974 channels
[i
].center_freq
),
3975 channels
[i
].max_power
,
3976 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
3977 " (IEEE 802.11h required)" : "",
3978 ((channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
3979 || (channels
[i
].flags
&
3980 IEEE80211_CHAN_RADAR
)) ? "" :
3983 IEEE80211_CHAN_PASSIVE_SCAN
?
3984 "passive only" : "active/passive");
3989 static DEVICE_ATTR(channels
, S_IRUSR
, show_channels
, NULL
);
3991 static ssize_t
show_statistics(struct device
*d
,
3992 struct device_attribute
*attr
, char *buf
)
3994 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3995 u32 size
= sizeof(struct iwl_notif_statistics
);
3996 u32 len
= 0, ofs
= 0;
3997 u8
*data
= (u8
*)&priv
->statistics
;
4000 if (!iwl_is_alive(priv
))
4003 mutex_lock(&priv
->mutex
);
4004 rc
= iwl_send_statistics_request(priv
, 0);
4005 mutex_unlock(&priv
->mutex
);
4009 "Error sending statistics request: 0x%08X\n", rc
);
4013 while (size
&& (PAGE_SIZE
- len
)) {
4014 hex_dump_to_buffer(data
+ ofs
, size
, 16, 1, buf
+ len
,
4015 PAGE_SIZE
- len
, 1);
4017 if (PAGE_SIZE
- len
)
4021 size
-= min(size
, 16U);
4027 static DEVICE_ATTR(statistics
, S_IRUGO
, show_statistics
, NULL
);
4029 static ssize_t
show_status(struct device
*d
,
4030 struct device_attribute
*attr
, char *buf
)
4032 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
4033 if (!iwl_is_alive(priv
))
4035 return sprintf(buf
, "0x%08x\n", (int)priv
->status
);
4038 static DEVICE_ATTR(status
, S_IRUGO
, show_status
, NULL
);
4040 /*****************************************************************************
4042 * driver setup and teardown
4044 *****************************************************************************/
4046 static void iwl_setup_deferred_work(struct iwl_priv
*priv
)
4048 priv
->workqueue
= create_workqueue(DRV_NAME
);
4050 init_waitqueue_head(&priv
->wait_command_queue
);
4052 INIT_WORK(&priv
->up
, iwl4965_bg_up
);
4053 INIT_WORK(&priv
->restart
, iwl4965_bg_restart
);
4054 INIT_WORK(&priv
->rx_replenish
, iwl4965_bg_rx_replenish
);
4055 INIT_WORK(&priv
->rf_kill
, iwl4965_bg_rf_kill
);
4056 INIT_WORK(&priv
->beacon_update
, iwl4965_bg_beacon_update
);
4057 INIT_WORK(&priv
->set_monitor
, iwl4965_bg_set_monitor
);
4058 INIT_WORK(&priv
->run_time_calib_work
, iwl_bg_run_time_calib_work
);
4059 INIT_DELAYED_WORK(&priv
->init_alive_start
, iwl_bg_init_alive_start
);
4060 INIT_DELAYED_WORK(&priv
->alive_start
, iwl_bg_alive_start
);
4062 iwl_setup_scan_deferred_work(priv
);
4063 iwl_setup_power_deferred_work(priv
);
4065 if (priv
->cfg
->ops
->lib
->setup_deferred_work
)
4066 priv
->cfg
->ops
->lib
->setup_deferred_work(priv
);
4068 init_timer(&priv
->statistics_periodic
);
4069 priv
->statistics_periodic
.data
= (unsigned long)priv
;
4070 priv
->statistics_periodic
.function
= iwl4965_bg_statistics_periodic
;
4072 tasklet_init(&priv
->irq_tasklet
, (void (*)(unsigned long))
4073 iwl4965_irq_tasklet
, (unsigned long)priv
);
4076 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
)
4078 if (priv
->cfg
->ops
->lib
->cancel_deferred_work
)
4079 priv
->cfg
->ops
->lib
->cancel_deferred_work(priv
);
4081 cancel_delayed_work_sync(&priv
->init_alive_start
);
4082 cancel_delayed_work(&priv
->scan_check
);
4083 cancel_delayed_work_sync(&priv
->set_power_save
);
4084 cancel_delayed_work(&priv
->alive_start
);
4085 cancel_work_sync(&priv
->beacon_update
);
4086 del_timer_sync(&priv
->statistics_periodic
);
4089 static struct attribute
*iwl4965_sysfs_entries
[] = {
4090 &dev_attr_channels
.attr
,
4091 &dev_attr_flags
.attr
,
4092 &dev_attr_filter_flags
.attr
,
4093 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
4094 &dev_attr_measurement
.attr
,
4096 &dev_attr_power_level
.attr
,
4097 &dev_attr_retry_rate
.attr
,
4098 &dev_attr_statistics
.attr
,
4099 &dev_attr_status
.attr
,
4100 &dev_attr_temperature
.attr
,
4101 &dev_attr_tx_power
.attr
,
4102 #ifdef CONFIG_IWLWIFI_DEBUG
4103 &dev_attr_debug_level
.attr
,
4105 &dev_attr_version
.attr
,
4110 static struct attribute_group iwl4965_attribute_group
= {
4111 .name
= NULL
, /* put in device directory */
4112 .attrs
= iwl4965_sysfs_entries
,
4115 static struct ieee80211_ops iwl4965_hw_ops
= {
4116 .tx
= iwl4965_mac_tx
,
4117 .start
= iwl4965_mac_start
,
4118 .stop
= iwl4965_mac_stop
,
4119 .add_interface
= iwl4965_mac_add_interface
,
4120 .remove_interface
= iwl4965_mac_remove_interface
,
4121 .config
= iwl4965_mac_config
,
4122 .config_interface
= iwl4965_mac_config_interface
,
4123 .configure_filter
= iwl4965_configure_filter
,
4124 .set_key
= iwl4965_mac_set_key
,
4125 .update_tkip_key
= iwl4965_mac_update_tkip_key
,
4126 .get_stats
= iwl4965_mac_get_stats
,
4127 .get_tx_stats
= iwl4965_mac_get_tx_stats
,
4128 .conf_tx
= iwl4965_mac_conf_tx
,
4129 .reset_tsf
= iwl4965_mac_reset_tsf
,
4130 .bss_info_changed
= iwl4965_bss_info_changed
,
4131 .ampdu_action
= iwl4965_mac_ampdu_action
,
4132 .hw_scan
= iwl_mac_hw_scan
4135 static int iwl4965_pci_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
4138 struct iwl_priv
*priv
;
4139 struct ieee80211_hw
*hw
;
4140 struct iwl_cfg
*cfg
= (struct iwl_cfg
*)(ent
->driver_data
);
4141 unsigned long flags
;
4143 /************************
4144 * 1. Allocating HW data
4145 ************************/
4147 /* Disabling hardware scan means that mac80211 will perform scans
4148 * "the hard way", rather than using device's scan. */
4149 if (cfg
->mod_params
->disable_hw_scan
) {
4150 if (cfg
->mod_params
->debug
& IWL_DL_INFO
)
4151 dev_printk(KERN_DEBUG
, &(pdev
->dev
),
4152 "Disabling hw_scan\n");
4153 iwl4965_hw_ops
.hw_scan
= NULL
;
4156 hw
= iwl_alloc_all(cfg
, &iwl4965_hw_ops
);
4162 /* At this point both hw and priv are allocated. */
4164 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
4166 IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
4168 priv
->pci_dev
= pdev
;
4170 #ifdef CONFIG_IWLWIFI_DEBUG
4171 priv
->debug_level
= priv
->cfg
->mod_params
->debug
;
4172 atomic_set(&priv
->restrict_refcnt
, 0);
4175 /**************************
4176 * 2. Initializing PCI bus
4177 **************************/
4178 if (pci_enable_device(pdev
)) {
4180 goto out_ieee80211_free_hw
;
4183 pci_set_master(pdev
);
4185 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(36));
4187 err
= pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(36));
4189 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
4191 err
= pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(32));
4192 /* both attempts failed: */
4194 printk(KERN_WARNING
"%s: No suitable DMA available.\n",
4196 goto out_pci_disable_device
;
4200 err
= pci_request_regions(pdev
, DRV_NAME
);
4202 goto out_pci_disable_device
;
4204 pci_set_drvdata(pdev
, priv
);
4207 /***********************
4208 * 3. Read REV register
4209 ***********************/
4210 priv
->hw_base
= pci_iomap(pdev
, 0, 0);
4211 if (!priv
->hw_base
) {
4213 goto out_pci_release_regions
;
4216 IWL_DEBUG_INFO("pci_resource_len = 0x%08llx\n",
4217 (unsigned long long) pci_resource_len(pdev
, 0));
4218 IWL_DEBUG_INFO("pci_resource_base = %p\n", priv
->hw_base
);
4220 iwl_hw_detect(priv
);
4221 printk(KERN_INFO DRV_NAME
4222 ": Detected Intel Wireless WiFi Link %s REV=0x%X\n",
4223 priv
->cfg
->name
, priv
->hw_rev
);
4225 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4226 * PCI Tx retries from interfering with C3 CPU state */
4227 pci_write_config_byte(pdev
, PCI_CFG_RETRY_TIMEOUT
, 0x00);
4230 err
= priv
->cfg
->ops
->lib
->apm_ops
.init(priv
);
4232 IWL_DEBUG_INFO("Failed to init APMG\n");
4238 /* Read the EEPROM */
4239 err
= iwl_eeprom_init(priv
);
4241 IWL_ERROR("Unable to init EEPROM\n");
4244 err
= iwl_eeprom_check_version(priv
);
4248 /* extract MAC Address */
4249 iwl_eeprom_get_mac(priv
, priv
->mac_addr
);
4250 IWL_DEBUG_INFO("MAC address: %pM\n", priv
->mac_addr
);
4251 SET_IEEE80211_PERM_ADDR(priv
->hw
, priv
->mac_addr
);
4253 /************************
4254 * 5. Setup HW constants
4255 ************************/
4256 if (iwl_set_hw_params(priv
)) {
4257 IWL_ERROR("failed to set hw parameters\n");
4258 goto out_free_eeprom
;
4261 /*******************
4263 *******************/
4265 err
= iwl_init_drv(priv
);
4267 goto out_free_eeprom
;
4268 /* At this point both hw and priv are initialized. */
4270 /**********************************
4271 * 7. Initialize module parameters
4272 **********************************/
4274 /* Disable radio (SW RF KILL) via parameter when loading driver */
4275 if (priv
->cfg
->mod_params
->disable
) {
4276 set_bit(STATUS_RF_KILL_SW
, &priv
->status
);
4277 IWL_DEBUG_INFO("Radio disabled.\n");
4280 /********************
4282 ********************/
4283 spin_lock_irqsave(&priv
->lock
, flags
);
4284 iwl4965_disable_interrupts(priv
);
4285 spin_unlock_irqrestore(&priv
->lock
, flags
);
4287 err
= sysfs_create_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4289 IWL_ERROR("failed to create sysfs device attributes\n");
4290 goto out_uninit_drv
;
4294 iwl_setup_deferred_work(priv
);
4295 iwl_setup_rx_handlers(priv
);
4297 /********************
4299 ********************/
4300 pci_save_state(pdev
);
4301 pci_disable_device(pdev
);
4303 /**********************************
4304 * 10. Setup and register mac80211
4305 **********************************/
4307 err
= iwl_setup_mac(priv
);
4309 goto out_remove_sysfs
;
4311 err
= iwl_dbgfs_register(priv
, DRV_NAME
);
4313 IWL_ERROR("failed to create debugfs files\n");
4315 err
= iwl_rfkill_init(priv
);
4317 IWL_ERROR("Unable to initialize RFKILL system. "
4318 "Ignoring error: %d\n", err
);
4319 iwl_power_initialize(priv
);
4323 sysfs_remove_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4325 iwl_uninit_drv(priv
);
4327 iwl_eeprom_free(priv
);
4329 pci_iounmap(pdev
, priv
->hw_base
);
4330 out_pci_release_regions
:
4331 pci_release_regions(pdev
);
4332 pci_set_drvdata(pdev
, NULL
);
4333 out_pci_disable_device
:
4334 pci_disable_device(pdev
);
4335 out_ieee80211_free_hw
:
4336 ieee80211_free_hw(priv
->hw
);
4341 static void __devexit
iwl4965_pci_remove(struct pci_dev
*pdev
)
4343 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4344 unsigned long flags
;
4349 IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n");
4351 iwl_dbgfs_unregister(priv
);
4352 sysfs_remove_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4354 /* ieee80211_unregister_hw call wil cause iwl4965_mac_stop to
4355 * to be called and iwl4965_down since we are removing the device
4356 * we need to set STATUS_EXIT_PENDING bit.
4358 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
4359 if (priv
->mac80211_registered
) {
4360 ieee80211_unregister_hw(priv
->hw
);
4361 priv
->mac80211_registered
= 0;
4366 /* make sure we flush any pending irq or
4367 * tasklet for the driver
4369 spin_lock_irqsave(&priv
->lock
, flags
);
4370 iwl4965_disable_interrupts(priv
);
4371 spin_unlock_irqrestore(&priv
->lock
, flags
);
4373 iwl_synchronize_irq(priv
);
4375 iwl_rfkill_unregister(priv
);
4376 iwl4965_dealloc_ucode_pci(priv
);
4379 iwl_rx_queue_free(priv
, &priv
->rxq
);
4380 iwl_hw_txq_ctx_free(priv
);
4382 iwl_clear_stations_table(priv
);
4383 iwl_eeprom_free(priv
);
4386 /*netif_stop_queue(dev); */
4387 flush_workqueue(priv
->workqueue
);
4389 /* ieee80211_unregister_hw calls iwl4965_mac_stop, which flushes
4390 * priv->workqueue... so we can't take down the workqueue
4392 destroy_workqueue(priv
->workqueue
);
4393 priv
->workqueue
= NULL
;
4395 pci_iounmap(pdev
, priv
->hw_base
);
4396 pci_release_regions(pdev
);
4397 pci_disable_device(pdev
);
4398 pci_set_drvdata(pdev
, NULL
);
4400 iwl_uninit_drv(priv
);
4402 if (priv
->ibss_beacon
)
4403 dev_kfree_skb(priv
->ibss_beacon
);
4405 ieee80211_free_hw(priv
->hw
);
4410 static int iwl4965_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4412 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4414 if (priv
->is_open
) {
4415 set_bit(STATUS_IN_SUSPEND
, &priv
->status
);
4416 iwl4965_mac_stop(priv
->hw
);
4420 pci_set_power_state(pdev
, PCI_D3hot
);
4425 static int iwl4965_pci_resume(struct pci_dev
*pdev
)
4427 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4429 pci_set_power_state(pdev
, PCI_D0
);
4432 iwl4965_mac_start(priv
->hw
);
4434 clear_bit(STATUS_IN_SUSPEND
, &priv
->status
);
4438 #endif /* CONFIG_PM */
4440 /*****************************************************************************
4442 * driver and module entry point
4444 *****************************************************************************/
4446 /* Hardware specific file defines the PCI IDs table for that hardware module */
4447 static struct pci_device_id iwl_hw_card_ids
[] = {
4448 #ifdef CONFIG_IWL4965
4449 {IWL_PCI_DEVICE(0x4229, PCI_ANY_ID
, iwl4965_agn_cfg
)},
4450 {IWL_PCI_DEVICE(0x4230, PCI_ANY_ID
, iwl4965_agn_cfg
)},
4451 #endif /* CONFIG_IWL4965 */
4452 #ifdef CONFIG_IWL5000
4453 {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg
)},
4454 {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg
)},
4455 {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg
)},
4456 {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg
)},
4457 {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg
)},
4458 {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg
)},
4459 {IWL_PCI_DEVICE(0x4232, PCI_ANY_ID
, iwl5100_agn_cfg
)},
4460 {IWL_PCI_DEVICE(0x4235, PCI_ANY_ID
, iwl5300_agn_cfg
)},
4461 {IWL_PCI_DEVICE(0x4236, PCI_ANY_ID
, iwl5300_agn_cfg
)},
4462 {IWL_PCI_DEVICE(0x4237, PCI_ANY_ID
, iwl5100_agn_cfg
)},
4463 /* 5350 WiFi/WiMax */
4464 {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg
)},
4465 {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg
)},
4466 {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg
)},
4467 #endif /* CONFIG_IWL5000 */
4470 MODULE_DEVICE_TABLE(pci
, iwl_hw_card_ids
);
4472 static struct pci_driver iwl_driver
= {
4474 .id_table
= iwl_hw_card_ids
,
4475 .probe
= iwl4965_pci_probe
,
4476 .remove
= __devexit_p(iwl4965_pci_remove
),
4478 .suspend
= iwl4965_pci_suspend
,
4479 .resume
= iwl4965_pci_resume
,
4483 static int __init
iwl4965_init(void)
4487 printk(KERN_INFO DRV_NAME
": " DRV_DESCRIPTION
", " DRV_VERSION
"\n");
4488 printk(KERN_INFO DRV_NAME
": " DRV_COPYRIGHT
"\n");
4490 ret
= iwlagn_rate_control_register();
4492 IWL_ERROR("Unable to register rate control algorithm: %d\n", ret
);
4496 ret
= pci_register_driver(&iwl_driver
);
4498 IWL_ERROR("Unable to initialize PCI module\n");
4499 goto error_register
;
4505 iwlagn_rate_control_unregister();
4509 static void __exit
iwl4965_exit(void)
4511 pci_unregister_driver(&iwl_driver
);
4512 iwlagn_rate_control_unregister();
4515 module_exit(iwl4965_exit
);
4516 module_init(iwl4965_init
);