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
;
242 DECLARE_MAC_BUF(mac
);
245 !!(priv
->staging_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
);
247 if (!iwl_is_alive(priv
))
250 /* always get timestamp with Rx frame */
251 priv
->staging_rxon
.flags
|= RXON_FLG_TSF2HOST_MSK
;
252 /* allow CTS-to-self if possible. this is relevant only for
253 * 5000, but will not damage 4965 */
254 priv
->staging_rxon
.flags
|= RXON_FLG_SELF_CTS_EN
;
256 ret
= iwl4965_check_rxon_cmd(&priv
->staging_rxon
);
258 IWL_ERROR("Invalid RXON configuration. Not committing.\n");
262 /* If we don't need to send a full RXON, we can use
263 * iwl4965_rxon_assoc_cmd which is used to reconfigure filter
264 * and other flags for the current radio configuration. */
265 if (!iwl_full_rxon_required(priv
)) {
266 ret
= iwl_send_rxon_assoc(priv
);
268 IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret
);
272 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
276 /* station table will be cleared */
277 priv
->assoc_station_added
= 0;
279 /* If we are currently associated and the new config requires
280 * an RXON_ASSOC and the new config wants the associated mask enabled,
281 * we must clear the associated from the active configuration
282 * before we apply the new config */
283 if (iwl_is_associated(priv
) && new_assoc
) {
284 IWL_DEBUG_INFO("Toggling associated bit on current RXON\n");
285 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
287 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
288 sizeof(struct iwl_rxon_cmd
),
291 /* If the mask clearing failed then we set
292 * active_rxon back to what it was previously */
294 active_rxon
->filter_flags
|= RXON_FILTER_ASSOC_MSK
;
295 IWL_ERROR("Error clearing ASSOC_MSK (%d)\n", ret
);
300 IWL_DEBUG_INFO("Sending RXON\n"
301 "* with%s RXON_FILTER_ASSOC_MSK\n"
304 (new_assoc
? "" : "out"),
305 le16_to_cpu(priv
->staging_rxon
.channel
),
306 print_mac(mac
, priv
->staging_rxon
.bssid_addr
));
308 iwl4965_set_rxon_hwcrypto(priv
, !priv
->hw_params
.sw_crypto
);
310 /* Apply the new configuration
311 * RXON unassoc clears the station table in uCode, send it before
312 * we add the bcast station. If assoc bit is set, we will send RXON
313 * after having added the bcast and bssid station.
316 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
317 sizeof(struct iwl_rxon_cmd
), &priv
->staging_rxon
);
319 IWL_ERROR("Error setting new RXON (%d)\n", ret
);
322 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
325 iwl_clear_stations_table(priv
);
327 if (!priv
->error_recovering
)
328 priv
->start_calib
= 0;
330 /* Add the broadcast address so we can send broadcast frames */
331 if (iwl_rxon_add_station(priv
, iwl_bcast_addr
, 0) ==
332 IWL_INVALID_STATION
) {
333 IWL_ERROR("Error adding BROADCAST address for transmit.\n");
337 /* If we have set the ASSOC_MSK and we are in BSS mode then
338 * add the IWL_AP_ID to the station rate table */
340 if (priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) {
341 ret
= iwl_rxon_add_station(priv
,
342 priv
->active_rxon
.bssid_addr
, 1);
343 if (ret
== IWL_INVALID_STATION
) {
344 IWL_ERROR("Error adding AP address for TX.\n");
347 priv
->assoc_station_added
= 1;
348 if (priv
->default_wep_key
&&
349 iwl_send_static_wepkey_cmd(priv
, 0))
350 IWL_ERROR("Could not send WEP static key.\n");
353 /* Apply the new configuration
354 * RXON assoc doesn't clear the station table in uCode,
356 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
357 sizeof(struct iwl_rxon_cmd
), &priv
->staging_rxon
);
359 IWL_ERROR("Error setting new RXON (%d)\n", ret
);
362 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
365 iwl_init_sensitivity(priv
);
367 /* If we issue a new RXON command which required a tune then we must
368 * send a new TXPOWER command or we won't be able to Tx any frames */
369 ret
= iwl_set_tx_power(priv
, priv
->tx_power_user_lmt
, true);
371 IWL_ERROR("Error sending TX power (%d)\n", ret
);
378 void iwl4965_update_chain_flags(struct iwl_priv
*priv
)
381 iwl_set_rxon_chain(priv
);
382 iwl4965_commit_rxon(priv
);
385 static int iwl4965_send_bt_config(struct iwl_priv
*priv
)
387 struct iwl4965_bt_cmd bt_cmd
= {
395 return iwl_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
396 sizeof(struct iwl4965_bt_cmd
), &bt_cmd
);
399 static void iwl_clear_free_frames(struct iwl_priv
*priv
)
401 struct list_head
*element
;
403 IWL_DEBUG_INFO("%d frames on pre-allocated heap on clear.\n",
406 while (!list_empty(&priv
->free_frames
)) {
407 element
= priv
->free_frames
.next
;
409 kfree(list_entry(element
, struct iwl_frame
, list
));
410 priv
->frames_count
--;
413 if (priv
->frames_count
) {
414 IWL_WARNING("%d frames still in use. Did we lose one?\n",
416 priv
->frames_count
= 0;
420 static struct iwl_frame
*iwl_get_free_frame(struct iwl_priv
*priv
)
422 struct iwl_frame
*frame
;
423 struct list_head
*element
;
424 if (list_empty(&priv
->free_frames
)) {
425 frame
= kzalloc(sizeof(*frame
), GFP_KERNEL
);
427 IWL_ERROR("Could not allocate frame!\n");
431 priv
->frames_count
++;
435 element
= priv
->free_frames
.next
;
437 return list_entry(element
, struct iwl_frame
, list
);
440 static void iwl_free_frame(struct iwl_priv
*priv
, struct iwl_frame
*frame
)
442 memset(frame
, 0, sizeof(*frame
));
443 list_add(&frame
->list
, &priv
->free_frames
);
446 static unsigned int iwl_fill_beacon_frame(struct iwl_priv
*priv
,
447 struct ieee80211_hdr
*hdr
,
448 const u8
*dest
, int left
)
450 if (!iwl_is_associated(priv
) || !priv
->ibss_beacon
||
451 ((priv
->iw_mode
!= IEEE80211_IF_TYPE_IBSS
) &&
452 (priv
->iw_mode
!= IEEE80211_IF_TYPE_AP
)))
455 if (priv
->ibss_beacon
->len
> left
)
458 memcpy(hdr
, priv
->ibss_beacon
->data
, priv
->ibss_beacon
->len
);
460 return priv
->ibss_beacon
->len
;
463 static u8
iwl4965_rate_get_lowest_plcp(struct iwl_priv
*priv
)
469 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
470 rate_mask
= priv
->active_rate_basic
& 0xF;
472 rate_mask
= priv
->active_rate_basic
& 0xFF0;
474 /* Find lowest valid rate */
475 for (i
= IWL_RATE_1M_INDEX
; i
!= IWL_RATE_INVALID
;
476 i
= iwl_rates
[i
].next_ieee
) {
477 if (rate_mask
& (1 << i
))
478 return iwl_rates
[i
].plcp
;
481 /* No valid rate was found. Assign the lowest one */
482 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
483 return IWL_RATE_1M_PLCP
;
485 return IWL_RATE_6M_PLCP
;
488 unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv
*priv
,
489 struct iwl_frame
*frame
, u8 rate
)
491 struct iwl_tx_beacon_cmd
*tx_beacon_cmd
;
492 unsigned int frame_size
;
494 tx_beacon_cmd
= &frame
->u
.beacon
;
495 memset(tx_beacon_cmd
, 0, sizeof(*tx_beacon_cmd
));
497 tx_beacon_cmd
->tx
.sta_id
= priv
->hw_params
.bcast_sta_id
;
498 tx_beacon_cmd
->tx
.stop_time
.life_time
= TX_CMD_LIFE_TIME_INFINITE
;
500 frame_size
= iwl_fill_beacon_frame(priv
, tx_beacon_cmd
->frame
,
502 sizeof(frame
->u
) - sizeof(*tx_beacon_cmd
));
504 BUG_ON(frame_size
> MAX_MPDU_SIZE
);
505 tx_beacon_cmd
->tx
.len
= cpu_to_le16((u16
)frame_size
);
507 if ((rate
== IWL_RATE_1M_PLCP
) || (rate
>= IWL_RATE_2M_PLCP
))
508 tx_beacon_cmd
->tx
.rate_n_flags
=
509 iwl_hw_set_rate_n_flags(rate
, RATE_MCS_CCK_MSK
);
511 tx_beacon_cmd
->tx
.rate_n_flags
=
512 iwl_hw_set_rate_n_flags(rate
, 0);
514 tx_beacon_cmd
->tx
.tx_flags
= TX_CMD_FLG_SEQ_CTL_MSK
|
516 TX_CMD_FLG_STA_RATE_MSK
;
518 return sizeof(*tx_beacon_cmd
) + frame_size
;
520 static int iwl4965_send_beacon_cmd(struct iwl_priv
*priv
)
522 struct iwl_frame
*frame
;
523 unsigned int frame_size
;
527 frame
= iwl_get_free_frame(priv
);
530 IWL_ERROR("Could not obtain free frame buffer for beacon "
535 rate
= iwl4965_rate_get_lowest_plcp(priv
);
537 frame_size
= iwl4965_hw_get_beacon_cmd(priv
, frame
, rate
);
539 rc
= iwl_send_cmd_pdu(priv
, REPLY_TX_BEACON
, frame_size
,
542 iwl_free_frame(priv
, frame
);
547 /******************************************************************************
549 * Misc. internal state and helper functions
551 ******************************************************************************/
553 static void iwl4965_ht_conf(struct iwl_priv
*priv
,
554 struct ieee80211_bss_conf
*bss_conf
)
556 struct ieee80211_ht_info
*ht_conf
= bss_conf
->ht_conf
;
557 struct ieee80211_ht_bss_info
*ht_bss_conf
= bss_conf
->ht_bss_conf
;
558 struct iwl_ht_info
*iwl_conf
= &priv
->current_ht_config
;
560 IWL_DEBUG_MAC80211("enter: \n");
562 iwl_conf
->is_ht
= bss_conf
->assoc_ht
;
564 if (!iwl_conf
->is_ht
)
567 if (ht_conf
->cap
& IEEE80211_HT_CAP_SGI_20
)
568 iwl_conf
->sgf
|= HT_SHORT_GI_20MHZ
;
569 if (ht_conf
->cap
& IEEE80211_HT_CAP_SGI_40
)
570 iwl_conf
->sgf
|= HT_SHORT_GI_40MHZ
;
572 iwl_conf
->is_green_field
= !!(ht_conf
->cap
& IEEE80211_HT_CAP_GRN_FLD
);
573 iwl_conf
->max_amsdu_size
=
574 !!(ht_conf
->cap
& IEEE80211_HT_CAP_MAX_AMSDU
);
576 iwl_conf
->supported_chan_width
=
577 !!(ht_conf
->cap
& IEEE80211_HT_CAP_SUP_WIDTH
);
578 iwl_conf
->extension_chan_offset
=
579 ht_bss_conf
->bss_cap
& IEEE80211_HT_IE_CHA_SEC_OFFSET
;
580 /* If no above or below channel supplied disable FAT channel */
581 if (iwl_conf
->extension_chan_offset
!= IEEE80211_HT_IE_CHA_SEC_ABOVE
&&
582 iwl_conf
->extension_chan_offset
!= IEEE80211_HT_IE_CHA_SEC_BELOW
) {
583 iwl_conf
->extension_chan_offset
= IEEE80211_HT_IE_CHA_SEC_NONE
;
584 iwl_conf
->supported_chan_width
= 0;
587 iwl_conf
->sm_ps
= (u8
)((ht_conf
->cap
& IEEE80211_HT_CAP_SM_PS
) >> 2);
589 memcpy(iwl_conf
->supp_mcs_set
, ht_conf
->supp_mcs_set
, 16);
591 iwl_conf
->control_channel
= ht_bss_conf
->primary_channel
;
592 iwl_conf
->tx_chan_width
=
593 !!(ht_bss_conf
->bss_cap
& IEEE80211_HT_IE_CHA_WIDTH
);
594 iwl_conf
->ht_protection
=
595 ht_bss_conf
->bss_op_mode
& IEEE80211_HT_IE_HT_PROTECTION
;
596 iwl_conf
->non_GF_STA_present
=
597 !!(ht_bss_conf
->bss_op_mode
& IEEE80211_HT_IE_NON_GF_STA_PRSNT
);
599 IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf
->control_channel
);
600 IWL_DEBUG_MAC80211("leave\n");
606 static void iwl_activate_qos(struct iwl_priv
*priv
, u8 force
)
608 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
611 if (!priv
->qos_data
.qos_enable
)
614 priv
->qos_data
.def_qos_parm
.qos_flags
= 0;
616 if (priv
->qos_data
.qos_cap
.q_AP
.queue_request
&&
617 !priv
->qos_data
.qos_cap
.q_AP
.txop_request
)
618 priv
->qos_data
.def_qos_parm
.qos_flags
|=
619 QOS_PARAM_FLG_TXOP_TYPE_MSK
;
620 if (priv
->qos_data
.qos_active
)
621 priv
->qos_data
.def_qos_parm
.qos_flags
|=
622 QOS_PARAM_FLG_UPDATE_EDCA_MSK
;
624 if (priv
->current_ht_config
.is_ht
)
625 priv
->qos_data
.def_qos_parm
.qos_flags
|= QOS_PARAM_FLG_TGN_MSK
;
627 if (force
|| iwl_is_associated(priv
)) {
628 IWL_DEBUG_QOS("send QoS cmd with Qos active=%d FLAGS=0x%X\n",
629 priv
->qos_data
.qos_active
,
630 priv
->qos_data
.def_qos_parm
.qos_flags
);
632 iwl_send_cmd_pdu_async(priv
, REPLY_QOS_PARAM
,
633 sizeof(struct iwl_qosparam_cmd
),
634 &priv
->qos_data
.def_qos_parm
, NULL
);
638 #define MAX_UCODE_BEACON_INTERVAL 4096
640 static __le16
iwl4965_adjust_beacon_interval(u16 beacon_val
)
643 u16 beacon_factor
= 0;
646 (beacon_val
+ MAX_UCODE_BEACON_INTERVAL
)
647 / MAX_UCODE_BEACON_INTERVAL
;
648 new_val
= beacon_val
/ beacon_factor
;
650 return cpu_to_le16(new_val
);
653 static void iwl4965_setup_rxon_timing(struct iwl_priv
*priv
)
655 u64 interval_tm_unit
;
658 struct ieee80211_conf
*conf
= NULL
;
661 conf
= ieee80211_get_hw_conf(priv
->hw
);
663 spin_lock_irqsave(&priv
->lock
, flags
);
664 priv
->rxon_timing
.timestamp
.dw
[1] = cpu_to_le32(priv
->timestamp
>> 32);
665 priv
->rxon_timing
.timestamp
.dw
[0] =
666 cpu_to_le32(priv
->timestamp
& 0xFFFFFFFF);
668 priv
->rxon_timing
.listen_interval
= cpu_to_le16(conf
->listen_interval
);
670 tsf
= priv
->timestamp
;
672 beacon_int
= priv
->beacon_int
;
673 spin_unlock_irqrestore(&priv
->lock
, flags
);
675 if (priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) {
676 if (beacon_int
== 0) {
677 priv
->rxon_timing
.beacon_interval
= cpu_to_le16(100);
678 priv
->rxon_timing
.beacon_init_val
= cpu_to_le32(102400);
680 priv
->rxon_timing
.beacon_interval
=
681 cpu_to_le16(beacon_int
);
682 priv
->rxon_timing
.beacon_interval
=
683 iwl4965_adjust_beacon_interval(
684 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
687 priv
->rxon_timing
.atim_window
= 0;
689 priv
->rxon_timing
.beacon_interval
=
690 iwl4965_adjust_beacon_interval(conf
->beacon_int
);
691 /* TODO: we need to get atim_window from upper stack
692 * for now we set to 0 */
693 priv
->rxon_timing
.atim_window
= 0;
697 (le16_to_cpu(priv
->rxon_timing
.beacon_interval
) * 1024);
698 result
= do_div(tsf
, interval_tm_unit
);
699 priv
->rxon_timing
.beacon_init_val
=
700 cpu_to_le32((u32
) ((u64
) interval_tm_unit
- result
));
703 ("beacon interval %d beacon timer %d beacon tim %d\n",
704 le16_to_cpu(priv
->rxon_timing
.beacon_interval
),
705 le32_to_cpu(priv
->rxon_timing
.beacon_init_val
),
706 le16_to_cpu(priv
->rxon_timing
.atim_window
));
709 static void iwl_set_flags_for_band(struct iwl_priv
*priv
,
710 enum ieee80211_band band
)
712 if (band
== IEEE80211_BAND_5GHZ
) {
713 priv
->staging_rxon
.flags
&=
714 ~(RXON_FLG_BAND_24G_MSK
| RXON_FLG_AUTO_DETECT_MSK
716 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
718 /* Copied from iwl4965_post_associate() */
719 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_SLOT_TIME
)
720 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
722 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
724 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
725 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
727 priv
->staging_rxon
.flags
|= RXON_FLG_BAND_24G_MSK
;
728 priv
->staging_rxon
.flags
|= RXON_FLG_AUTO_DETECT_MSK
;
729 priv
->staging_rxon
.flags
&= ~RXON_FLG_CCK_MSK
;
734 * initialize rxon structure with default values from eeprom
736 static void iwl4965_connection_init_rx_config(struct iwl_priv
*priv
)
738 const struct iwl_channel_info
*ch_info
;
740 memset(&priv
->staging_rxon
, 0, sizeof(priv
->staging_rxon
));
742 switch (priv
->iw_mode
) {
743 case IEEE80211_IF_TYPE_AP
:
744 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_AP
;
747 case IEEE80211_IF_TYPE_STA
:
748 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_ESS
;
749 priv
->staging_rxon
.filter_flags
= RXON_FILTER_ACCEPT_GRP_MSK
;
752 case IEEE80211_IF_TYPE_IBSS
:
753 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_IBSS
;
754 priv
->staging_rxon
.flags
= RXON_FLG_SHORT_PREAMBLE_MSK
;
755 priv
->staging_rxon
.filter_flags
= RXON_FILTER_BCON_AWARE_MSK
|
756 RXON_FILTER_ACCEPT_GRP_MSK
;
759 case IEEE80211_IF_TYPE_MNTR
:
760 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_SNIFFER
;
761 priv
->staging_rxon
.filter_flags
= RXON_FILTER_PROMISC_MSK
|
762 RXON_FILTER_CTL2HOST_MSK
| RXON_FILTER_ACCEPT_GRP_MSK
;
765 IWL_ERROR("Unsupported interface type %d\n", priv
->iw_mode
);
770 /* TODO: Figure out when short_preamble would be set and cache from
772 if (!hw_to_local(priv
->hw
)->short_preamble
)
773 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
775 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
778 ch_info
= iwl_get_channel_info(priv
, priv
->band
,
779 le16_to_cpu(priv
->active_rxon
.channel
));
782 ch_info
= &priv
->channel_info
[0];
785 * in some case A channels are all non IBSS
786 * in this case force B/G channel
788 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
) &&
789 !(is_channel_ibss(ch_info
)))
790 ch_info
= &priv
->channel_info
[0];
792 priv
->staging_rxon
.channel
= cpu_to_le16(ch_info
->channel
);
793 priv
->band
= ch_info
->band
;
795 iwl_set_flags_for_band(priv
, priv
->band
);
797 priv
->staging_rxon
.ofdm_basic_rates
=
798 (IWL_OFDM_RATES_MASK
>> IWL_FIRST_OFDM_RATE
) & 0xFF;
799 priv
->staging_rxon
.cck_basic_rates
=
800 (IWL_CCK_RATES_MASK
>> IWL_FIRST_CCK_RATE
) & 0xF;
802 priv
->staging_rxon
.flags
&= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK
|
803 RXON_FLG_CHANNEL_MODE_PURE_40_MSK
);
804 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
805 memcpy(priv
->staging_rxon
.wlap_bssid_addr
, priv
->mac_addr
, ETH_ALEN
);
806 priv
->staging_rxon
.ofdm_ht_single_stream_basic_rates
= 0xff;
807 priv
->staging_rxon
.ofdm_ht_dual_stream_basic_rates
= 0xff;
808 iwl_set_rxon_chain(priv
);
811 static int iwl4965_set_mode(struct iwl_priv
*priv
, int mode
)
813 priv
->iw_mode
= mode
;
815 iwl4965_connection_init_rx_config(priv
);
816 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
818 iwl_clear_stations_table(priv
);
820 /* dont commit rxon if rf-kill is on*/
821 if (!iwl_is_ready_rf(priv
))
824 cancel_delayed_work(&priv
->scan_check
);
825 if (iwl_scan_cancel_timeout(priv
, 100)) {
826 IWL_WARNING("Aborted scan still in progress after 100ms\n");
827 IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
831 iwl4965_commit_rxon(priv
);
836 static void iwl4965_set_rate(struct iwl_priv
*priv
)
838 const struct ieee80211_supported_band
*hw
= NULL
;
839 struct ieee80211_rate
*rate
;
842 hw
= iwl_get_hw_mode(priv
, priv
->band
);
844 IWL_ERROR("Failed to set rate: unable to get hw mode\n");
848 priv
->active_rate
= 0;
849 priv
->active_rate_basic
= 0;
851 for (i
= 0; i
< hw
->n_bitrates
; i
++) {
852 rate
= &(hw
->bitrates
[i
]);
853 if (rate
->hw_value
< IWL_RATE_COUNT
)
854 priv
->active_rate
|= (1 << rate
->hw_value
);
857 IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n",
858 priv
->active_rate
, priv
->active_rate_basic
);
861 * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK)
862 * otherwise set it to the default of all CCK rates and 6, 12, 24 for
865 if (priv
->active_rate_basic
& IWL_CCK_BASIC_RATES_MASK
)
866 priv
->staging_rxon
.cck_basic_rates
=
867 ((priv
->active_rate_basic
&
868 IWL_CCK_RATES_MASK
) >> IWL_FIRST_CCK_RATE
) & 0xF;
870 priv
->staging_rxon
.cck_basic_rates
=
871 (IWL_CCK_BASIC_RATES_MASK
>> IWL_FIRST_CCK_RATE
) & 0xF;
873 if (priv
->active_rate_basic
& IWL_OFDM_BASIC_RATES_MASK
)
874 priv
->staging_rxon
.ofdm_basic_rates
=
875 ((priv
->active_rate_basic
&
876 (IWL_OFDM_BASIC_RATES_MASK
| IWL_RATE_6M_MASK
)) >>
877 IWL_FIRST_OFDM_RATE
) & 0xFF;
879 priv
->staging_rxon
.ofdm_basic_rates
=
880 (IWL_OFDM_BASIC_RATES_MASK
>> IWL_FIRST_OFDM_RATE
) & 0xFF;
883 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
885 #include "iwl-spectrum.h"
887 #define BEACON_TIME_MASK_LOW 0x00FFFFFF
888 #define BEACON_TIME_MASK_HIGH 0xFF000000
889 #define TIME_UNIT 1024
892 * extended beacon time format
893 * time in usec will be changed into a 32-bit value in 8:24 format
894 * the high 1 byte is the beacon counts
895 * the lower 3 bytes is the time in usec within one beacon interval
898 static u32
iwl4965_usecs_to_beacons(u32 usec
, u32 beacon_interval
)
902 u32 interval
= beacon_interval
* 1024;
904 if (!interval
|| !usec
)
907 quot
= (usec
/ interval
) & (BEACON_TIME_MASK_HIGH
>> 24);
908 rem
= (usec
% interval
) & BEACON_TIME_MASK_LOW
;
910 return (quot
<< 24) + rem
;
913 /* base is usually what we get from ucode with each received frame,
914 * the same as HW timer counter counting down
917 static __le32
iwl4965_add_beacon_time(u32 base
, u32 addon
, u32 beacon_interval
)
919 u32 base_low
= base
& BEACON_TIME_MASK_LOW
;
920 u32 addon_low
= addon
& BEACON_TIME_MASK_LOW
;
921 u32 interval
= beacon_interval
* TIME_UNIT
;
922 u32 res
= (base
& BEACON_TIME_MASK_HIGH
) +
923 (addon
& BEACON_TIME_MASK_HIGH
);
925 if (base_low
> addon_low
)
926 res
+= base_low
- addon_low
;
927 else if (base_low
< addon_low
) {
928 res
+= interval
+ base_low
- addon_low
;
933 return cpu_to_le32(res
);
936 static int iwl4965_get_measurement(struct iwl_priv
*priv
,
937 struct ieee80211_measurement_params
*params
,
940 struct iwl4965_spectrum_cmd spectrum
;
941 struct iwl_rx_packet
*res
;
942 struct iwl_host_cmd cmd
= {
943 .id
= REPLY_SPECTRUM_MEASUREMENT_CMD
,
944 .data
= (void *)&spectrum
,
945 .meta
.flags
= CMD_WANT_SKB
,
947 u32 add_time
= le64_to_cpu(params
->start_time
);
949 int spectrum_resp_status
;
950 int duration
= le16_to_cpu(params
->duration
);
952 if (iwl_is_associated(priv
))
954 iwl4965_usecs_to_beacons(
955 le64_to_cpu(params
->start_time
) - priv
->last_tsf
,
956 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
958 memset(&spectrum
, 0, sizeof(spectrum
));
960 spectrum
.channel_count
= cpu_to_le16(1);
962 RXON_FLG_TSF2HOST_MSK
| RXON_FLG_ANT_A_MSK
| RXON_FLG_DIS_DIV_MSK
;
963 spectrum
.filter_flags
= MEASUREMENT_FILTER_FLAG
;
964 cmd
.len
= sizeof(spectrum
);
965 spectrum
.len
= cpu_to_le16(cmd
.len
- sizeof(spectrum
.len
));
967 if (iwl_is_associated(priv
))
968 spectrum
.start_time
=
969 iwl4965_add_beacon_time(priv
->last_beacon_time
,
971 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
973 spectrum
.start_time
= 0;
975 spectrum
.channels
[0].duration
= cpu_to_le32(duration
* TIME_UNIT
);
976 spectrum
.channels
[0].channel
= params
->channel
;
977 spectrum
.channels
[0].type
= type
;
978 if (priv
->active_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
979 spectrum
.flags
|= RXON_FLG_BAND_24G_MSK
|
980 RXON_FLG_AUTO_DETECT_MSK
| RXON_FLG_TGG_PROTECT_MSK
;
982 rc
= iwl_send_cmd_sync(priv
, &cmd
);
986 res
= (struct iwl_rx_packet
*)cmd
.meta
.u
.skb
->data
;
987 if (res
->hdr
.flags
& IWL_CMD_FAILED_MSK
) {
988 IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n");
992 spectrum_resp_status
= le16_to_cpu(res
->u
.spectrum
.status
);
993 switch (spectrum_resp_status
) {
994 case 0: /* Command will be handled */
995 if (res
->u
.spectrum
.id
!= 0xff) {
997 ("Replaced existing measurement: %d\n",
999 priv
->measurement_status
&= ~MEASUREMENT_READY
;
1001 priv
->measurement_status
|= MEASUREMENT_ACTIVE
;
1005 case 1: /* Command will not be handled */
1010 dev_kfree_skb_any(cmd
.meta
.u
.skb
);
1016 /******************************************************************************
1018 * Generic RX handler implementations
1020 ******************************************************************************/
1021 static void iwl_rx_reply_alive(struct iwl_priv
*priv
,
1022 struct iwl_rx_mem_buffer
*rxb
)
1024 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1025 struct iwl_alive_resp
*palive
;
1026 struct delayed_work
*pwork
;
1028 palive
= &pkt
->u
.alive_frame
;
1030 IWL_DEBUG_INFO("Alive ucode status 0x%08X revision "
1032 palive
->is_valid
, palive
->ver_type
,
1033 palive
->ver_subtype
);
1035 if (palive
->ver_subtype
== INITIALIZE_SUBTYPE
) {
1036 IWL_DEBUG_INFO("Initialization Alive received.\n");
1037 memcpy(&priv
->card_alive_init
,
1038 &pkt
->u
.alive_frame
,
1039 sizeof(struct iwl_init_alive_resp
));
1040 pwork
= &priv
->init_alive_start
;
1042 IWL_DEBUG_INFO("Runtime Alive received.\n");
1043 memcpy(&priv
->card_alive
, &pkt
->u
.alive_frame
,
1044 sizeof(struct iwl_alive_resp
));
1045 pwork
= &priv
->alive_start
;
1048 /* We delay the ALIVE response by 5ms to
1049 * give the HW RF Kill time to activate... */
1050 if (palive
->is_valid
== UCODE_VALID_OK
)
1051 queue_delayed_work(priv
->workqueue
, pwork
,
1052 msecs_to_jiffies(5));
1054 IWL_WARNING("uCode did not respond OK.\n");
1057 static void iwl4965_rx_reply_error(struct iwl_priv
*priv
,
1058 struct iwl_rx_mem_buffer
*rxb
)
1060 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1062 IWL_ERROR("Error Reply type 0x%08X cmd %s (0x%02X) "
1063 "seq 0x%04X ser 0x%08X\n",
1064 le32_to_cpu(pkt
->u
.err_resp
.error_type
),
1065 get_cmd_string(pkt
->u
.err_resp
.cmd_id
),
1066 pkt
->u
.err_resp
.cmd_id
,
1067 le16_to_cpu(pkt
->u
.err_resp
.bad_cmd_seq_num
),
1068 le32_to_cpu(pkt
->u
.err_resp
.error_info
));
1071 #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
1073 static void iwl4965_rx_csa(struct iwl_priv
*priv
, struct iwl_rx_mem_buffer
*rxb
)
1075 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1076 struct iwl_rxon_cmd
*rxon
= (void *)&priv
->active_rxon
;
1077 struct iwl4965_csa_notification
*csa
= &(pkt
->u
.csa_notif
);
1078 IWL_DEBUG_11H("CSA notif: channel %d, status %d\n",
1079 le16_to_cpu(csa
->channel
), le32_to_cpu(csa
->status
));
1080 rxon
->channel
= csa
->channel
;
1081 priv
->staging_rxon
.channel
= csa
->channel
;
1084 static void iwl4965_rx_spectrum_measure_notif(struct iwl_priv
*priv
,
1085 struct iwl_rx_mem_buffer
*rxb
)
1087 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
1088 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1089 struct iwl4965_spectrum_notification
*report
= &(pkt
->u
.spectrum_notif
);
1091 if (!report
->state
) {
1092 IWL_DEBUG(IWL_DL_11H
,
1093 "Spectrum Measure Notification: Start\n");
1097 memcpy(&priv
->measure_report
, report
, sizeof(*report
));
1098 priv
->measurement_status
|= MEASUREMENT_READY
;
1102 static void iwl4965_rx_pm_sleep_notif(struct iwl_priv
*priv
,
1103 struct iwl_rx_mem_buffer
*rxb
)
1105 #ifdef CONFIG_IWLWIFI_DEBUG
1106 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1107 struct iwl4965_sleep_notification
*sleep
= &(pkt
->u
.sleep_notif
);
1108 IWL_DEBUG_RX("sleep mode: %d, src: %d\n",
1109 sleep
->pm_sleep_mode
, sleep
->pm_wakeup_src
);
1113 static void iwl4965_rx_pm_debug_statistics_notif(struct iwl_priv
*priv
,
1114 struct iwl_rx_mem_buffer
*rxb
)
1116 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1117 IWL_DEBUG_RADIO("Dumping %d bytes of unhandled "
1118 "notification for %s:\n",
1119 le32_to_cpu(pkt
->len
), get_cmd_string(pkt
->hdr
.cmd
));
1120 iwl_print_hex_dump(priv
, IWL_DL_RADIO
, pkt
->u
.raw
, le32_to_cpu(pkt
->len
));
1123 static void iwl4965_bg_beacon_update(struct work_struct
*work
)
1125 struct iwl_priv
*priv
=
1126 container_of(work
, struct iwl_priv
, beacon_update
);
1127 struct sk_buff
*beacon
;
1129 /* Pull updated AP beacon from mac80211. will fail if not in AP mode */
1130 beacon
= ieee80211_beacon_get(priv
->hw
, priv
->vif
);
1133 IWL_ERROR("update beacon failed\n");
1137 mutex_lock(&priv
->mutex
);
1138 /* new beacon skb is allocated every time; dispose previous.*/
1139 if (priv
->ibss_beacon
)
1140 dev_kfree_skb(priv
->ibss_beacon
);
1142 priv
->ibss_beacon
= beacon
;
1143 mutex_unlock(&priv
->mutex
);
1145 iwl4965_send_beacon_cmd(priv
);
1149 * iwl4965_bg_statistics_periodic - Timer callback to queue statistics
1151 * This callback is provided in order to send a statistics request.
1153 * This timer function is continually reset to execute within
1154 * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
1155 * was received. We need to ensure we receive the statistics in order
1156 * to update the temperature used for calibrating the TXPOWER.
1158 static void iwl4965_bg_statistics_periodic(unsigned long data
)
1160 struct iwl_priv
*priv
= (struct iwl_priv
*)data
;
1162 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
1165 iwl_send_statistics_request(priv
, CMD_ASYNC
);
1168 static void iwl4965_rx_beacon_notif(struct iwl_priv
*priv
,
1169 struct iwl_rx_mem_buffer
*rxb
)
1171 #ifdef CONFIG_IWLWIFI_DEBUG
1172 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1173 struct iwl4965_beacon_notif
*beacon
= &(pkt
->u
.beacon_status
);
1174 u8 rate
= iwl_hw_get_rate(beacon
->beacon_notify_hdr
.rate_n_flags
);
1176 IWL_DEBUG_RX("beacon status %x retries %d iss %d "
1177 "tsf %d %d rate %d\n",
1178 le32_to_cpu(beacon
->beacon_notify_hdr
.u
.status
) & TX_STATUS_MSK
,
1179 beacon
->beacon_notify_hdr
.failure_frame
,
1180 le32_to_cpu(beacon
->ibss_mgr_status
),
1181 le32_to_cpu(beacon
->high_tsf
),
1182 le32_to_cpu(beacon
->low_tsf
), rate
);
1185 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) &&
1186 (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
)))
1187 queue_work(priv
->workqueue
, &priv
->beacon_update
);
1190 /* Handle notification from uCode that card's power state is changing
1191 * due to software, hardware, or critical temperature RFKILL */
1192 static void iwl4965_rx_card_state_notif(struct iwl_priv
*priv
,
1193 struct iwl_rx_mem_buffer
*rxb
)
1195 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1196 u32 flags
= le32_to_cpu(pkt
->u
.card_state_notif
.flags
);
1197 unsigned long status
= priv
->status
;
1199 IWL_DEBUG_RF_KILL("Card state received: HW:%s SW:%s\n",
1200 (flags
& HW_CARD_DISABLED
) ? "Kill" : "On",
1201 (flags
& SW_CARD_DISABLED
) ? "Kill" : "On");
1203 if (flags
& (SW_CARD_DISABLED
| HW_CARD_DISABLED
|
1204 RF_CARD_DISABLED
)) {
1206 iwl_write32(priv
, CSR_UCODE_DRV_GP1_SET
,
1207 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
1209 if (!iwl_grab_nic_access(priv
)) {
1211 priv
, HBUS_TARG_MBX_C
,
1212 HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED
);
1214 iwl_release_nic_access(priv
);
1217 if (!(flags
& RXON_CARD_DISABLED
)) {
1218 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
,
1219 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
1220 if (!iwl_grab_nic_access(priv
)) {
1222 priv
, HBUS_TARG_MBX_C
,
1223 HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED
);
1225 iwl_release_nic_access(priv
);
1229 if (flags
& RF_CARD_DISABLED
) {
1230 iwl_write32(priv
, CSR_UCODE_DRV_GP1_SET
,
1231 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT
);
1232 iwl_read32(priv
, CSR_UCODE_DRV_GP1
);
1233 if (!iwl_grab_nic_access(priv
))
1234 iwl_release_nic_access(priv
);
1238 if (flags
& HW_CARD_DISABLED
)
1239 set_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1241 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1244 if (flags
& SW_CARD_DISABLED
)
1245 set_bit(STATUS_RF_KILL_SW
, &priv
->status
);
1247 clear_bit(STATUS_RF_KILL_SW
, &priv
->status
);
1249 if (!(flags
& RXON_CARD_DISABLED
))
1250 iwl_scan_cancel(priv
);
1252 if ((test_bit(STATUS_RF_KILL_HW
, &status
) !=
1253 test_bit(STATUS_RF_KILL_HW
, &priv
->status
)) ||
1254 (test_bit(STATUS_RF_KILL_SW
, &status
) !=
1255 test_bit(STATUS_RF_KILL_SW
, &priv
->status
)))
1256 queue_work(priv
->workqueue
, &priv
->rf_kill
);
1258 wake_up_interruptible(&priv
->wait_command_queue
);
1261 int iwl4965_set_pwr_src(struct iwl_priv
*priv
, enum iwl_pwr_src src
)
1264 unsigned long flags
;
1266 spin_lock_irqsave(&priv
->lock
, flags
);
1267 ret
= iwl_grab_nic_access(priv
);
1271 if (src
== IWL_PWR_SRC_VAUX
) {
1273 ret
= pci_read_config_dword(priv
->pci_dev
, PCI_CFG_POWER_SOURCE
,
1276 if (val
& PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT
)
1277 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
1278 APMG_PS_CTRL_VAL_PWR_SRC_VAUX
,
1279 ~APMG_PS_CTRL_MSK_PWR_SRC
);
1281 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
1282 APMG_PS_CTRL_VAL_PWR_SRC_VMAIN
,
1283 ~APMG_PS_CTRL_MSK_PWR_SRC
);
1286 iwl_release_nic_access(priv
);
1288 spin_unlock_irqrestore(&priv
->lock
, flags
);
1293 * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
1295 * Setup the RX handlers for each of the reply types sent from the uCode
1298 * This function chains into the hardware specific files for them to setup
1299 * any hardware specific handlers as well.
1301 static void iwl_setup_rx_handlers(struct iwl_priv
*priv
)
1303 priv
->rx_handlers
[REPLY_ALIVE
] = iwl_rx_reply_alive
;
1304 priv
->rx_handlers
[REPLY_ERROR
] = iwl4965_rx_reply_error
;
1305 priv
->rx_handlers
[CHANNEL_SWITCH_NOTIFICATION
] = iwl4965_rx_csa
;
1306 priv
->rx_handlers
[SPECTRUM_MEASURE_NOTIFICATION
] =
1307 iwl4965_rx_spectrum_measure_notif
;
1308 priv
->rx_handlers
[PM_SLEEP_NOTIFICATION
] = iwl4965_rx_pm_sleep_notif
;
1309 priv
->rx_handlers
[PM_DEBUG_STATISTIC_NOTIFIC
] =
1310 iwl4965_rx_pm_debug_statistics_notif
;
1311 priv
->rx_handlers
[BEACON_NOTIFICATION
] = iwl4965_rx_beacon_notif
;
1314 * The same handler is used for both the REPLY to a discrete
1315 * statistics request from the host as well as for the periodic
1316 * statistics notifications (after received beacons) from the uCode.
1318 priv
->rx_handlers
[REPLY_STATISTICS_CMD
] = iwl_rx_statistics
;
1319 priv
->rx_handlers
[STATISTICS_NOTIFICATION
] = iwl_rx_statistics
;
1321 iwl_setup_rx_scan_handlers(priv
);
1323 /* status change handler */
1324 priv
->rx_handlers
[CARD_STATE_NOTIFICATION
] = iwl4965_rx_card_state_notif
;
1326 priv
->rx_handlers
[MISSED_BEACONS_NOTIFICATION
] =
1327 iwl_rx_missed_beacon_notif
;
1329 priv
->rx_handlers
[REPLY_RX_PHY_CMD
] = iwl_rx_reply_rx_phy
;
1330 priv
->rx_handlers
[REPLY_RX_MPDU_CMD
] = iwl_rx_reply_rx
;
1332 priv
->rx_handlers
[REPLY_COMPRESSED_BA
] = iwl_rx_reply_compressed_ba
;
1333 /* Set up hardware specific Rx handlers */
1334 priv
->cfg
->ops
->lib
->rx_handler_setup(priv
);
1338 * this should be called while priv->lock is locked
1340 static void __iwl_rx_replenish(struct iwl_priv
*priv
)
1342 iwl_rx_allocate(priv
);
1343 iwl_rx_queue_restock(priv
);
1348 * iwl_rx_handle - Main entry function for receiving responses from uCode
1350 * Uses the priv->rx_handlers callback function array to invoke
1351 * the appropriate handlers, including command responses,
1352 * frame-received notifications, and other notifications.
1354 void iwl_rx_handle(struct iwl_priv
*priv
)
1356 struct iwl_rx_mem_buffer
*rxb
;
1357 struct iwl_rx_packet
*pkt
;
1358 struct iwl_rx_queue
*rxq
= &priv
->rxq
;
1361 unsigned long flags
;
1365 /* uCode's read index (stored in shared DRAM) indicates the last Rx
1366 * buffer that the driver may process (last buffer filled by ucode). */
1367 r
= priv
->cfg
->ops
->lib
->shared_mem_rx_idx(priv
);
1370 /* Rx interrupt, but nothing sent from uCode */
1372 IWL_DEBUG(IWL_DL_RX
, "r = %d, i = %d\n", r
, i
);
1374 if (iwl_rx_queue_space(rxq
) > (RX_QUEUE_SIZE
/ 2))
1378 rxb
= rxq
->queue
[i
];
1380 /* If an RXB doesn't have a Rx queue slot associated with it,
1381 * then a bug has been introduced in the queue refilling
1382 * routines -- catch it here */
1383 BUG_ON(rxb
== NULL
);
1385 rxq
->queue
[i
] = NULL
;
1387 pci_dma_sync_single_for_cpu(priv
->pci_dev
, rxb
->dma_addr
,
1388 priv
->hw_params
.rx_buf_size
,
1389 PCI_DMA_FROMDEVICE
);
1390 pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1392 /* Reclaim a command buffer only if this packet is a response
1393 * to a (driver-originated) command.
1394 * If the packet (e.g. Rx frame) originated from uCode,
1395 * there is no command buffer to reclaim.
1396 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
1397 * but apparently a few don't get set; catch them here. */
1398 reclaim
= !(pkt
->hdr
.sequence
& SEQ_RX_FRAME
) &&
1399 (pkt
->hdr
.cmd
!= REPLY_RX_PHY_CMD
) &&
1400 (pkt
->hdr
.cmd
!= REPLY_RX
) &&
1401 (pkt
->hdr
.cmd
!= REPLY_COMPRESSED_BA
) &&
1402 (pkt
->hdr
.cmd
!= STATISTICS_NOTIFICATION
) &&
1403 (pkt
->hdr
.cmd
!= REPLY_TX
);
1405 /* Based on type of command response or notification,
1406 * handle those that need handling via function in
1407 * rx_handlers table. See iwl4965_setup_rx_handlers() */
1408 if (priv
->rx_handlers
[pkt
->hdr
.cmd
]) {
1409 IWL_DEBUG(IWL_DL_RX
, "r = %d, i = %d, %s, 0x%02x\n", r
,
1410 i
, get_cmd_string(pkt
->hdr
.cmd
), pkt
->hdr
.cmd
);
1411 priv
->rx_handlers
[pkt
->hdr
.cmd
] (priv
, rxb
);
1413 /* No handling needed */
1414 IWL_DEBUG(IWL_DL_RX
,
1415 "r %d i %d No handler needed for %s, 0x%02x\n",
1416 r
, i
, get_cmd_string(pkt
->hdr
.cmd
),
1421 /* Invoke any callbacks, transfer the skb to caller, and
1422 * fire off the (possibly) blocking iwl_send_cmd()
1423 * as we reclaim the driver command queue */
1424 if (rxb
&& rxb
->skb
)
1425 iwl_tx_cmd_complete(priv
, rxb
);
1427 IWL_WARNING("Claim null rxb?\n");
1430 /* For now we just don't re-use anything. We can tweak this
1431 * later to try and re-use notification packets and SKBs that
1432 * fail to Rx correctly */
1433 if (rxb
->skb
!= NULL
) {
1434 priv
->alloc_rxb_skb
--;
1435 dev_kfree_skb_any(rxb
->skb
);
1439 pci_unmap_single(priv
->pci_dev
, rxb
->dma_addr
,
1440 priv
->hw_params
.rx_buf_size
,
1441 PCI_DMA_FROMDEVICE
);
1442 spin_lock_irqsave(&rxq
->lock
, flags
);
1443 list_add_tail(&rxb
->list
, &priv
->rxq
.rx_used
);
1444 spin_unlock_irqrestore(&rxq
->lock
, flags
);
1445 i
= (i
+ 1) & RX_QUEUE_MASK
;
1446 /* If there are a lot of unused frames,
1447 * restock the Rx queue so ucode wont assert. */
1452 __iwl_rx_replenish(priv
);
1458 /* Backtrack one entry */
1460 iwl_rx_queue_restock(priv
);
1463 #ifdef CONFIG_IWLWIFI_DEBUG
1464 static void iwl4965_print_rx_config_cmd(struct iwl_priv
*priv
)
1466 struct iwl_rxon_cmd
*rxon
= &priv
->staging_rxon
;
1467 DECLARE_MAC_BUF(mac
);
1469 IWL_DEBUG_RADIO("RX CONFIG:\n");
1470 iwl_print_hex_dump(priv
, IWL_DL_RADIO
, (u8
*) rxon
, sizeof(*rxon
));
1471 IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon
->channel
));
1472 IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon
->flags
));
1473 IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n",
1474 le32_to_cpu(rxon
->filter_flags
));
1475 IWL_DEBUG_RADIO("u8 dev_type: 0x%x\n", rxon
->dev_type
);
1476 IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
1477 rxon
->ofdm_basic_rates
);
1478 IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon
->cck_basic_rates
);
1479 IWL_DEBUG_RADIO("u8[6] node_addr: %s\n",
1480 print_mac(mac
, rxon
->node_addr
));
1481 IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n",
1482 print_mac(mac
, rxon
->bssid_addr
));
1483 IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon
->assoc_id
));
1487 static void iwl4965_enable_interrupts(struct iwl_priv
*priv
)
1489 IWL_DEBUG_ISR("Enabling interrupts\n");
1490 set_bit(STATUS_INT_ENABLED
, &priv
->status
);
1491 iwl_write32(priv
, CSR_INT_MASK
, CSR_INI_SET_MASK
);
1494 /* call this function to flush any scheduled tasklet */
1495 static inline void iwl_synchronize_irq(struct iwl_priv
*priv
)
1497 /* wait to make sure we flush pedding tasklet*/
1498 synchronize_irq(priv
->pci_dev
->irq
);
1499 tasklet_kill(&priv
->irq_tasklet
);
1502 static inline void iwl4965_disable_interrupts(struct iwl_priv
*priv
)
1504 clear_bit(STATUS_INT_ENABLED
, &priv
->status
);
1506 /* disable interrupts from uCode/NIC to host */
1507 iwl_write32(priv
, CSR_INT_MASK
, 0x00000000);
1509 /* acknowledge/clear/reset any interrupts still pending
1510 * from uCode or flow handler (Rx/Tx DMA) */
1511 iwl_write32(priv
, CSR_INT
, 0xffffffff);
1512 iwl_write32(priv
, CSR_FH_INT_STATUS
, 0xffffffff);
1513 IWL_DEBUG_ISR("Disabled interrupts\n");
1518 * iwl4965_irq_handle_error - called for HW or SW error interrupt from card
1520 static void iwl4965_irq_handle_error(struct iwl_priv
*priv
)
1522 /* Set the FW error flag -- cleared on iwl4965_down */
1523 set_bit(STATUS_FW_ERROR
, &priv
->status
);
1525 /* Cancel currently queued command. */
1526 clear_bit(STATUS_HCMD_ACTIVE
, &priv
->status
);
1528 #ifdef CONFIG_IWLWIFI_DEBUG
1529 if (priv
->debug_level
& IWL_DL_FW_ERRORS
) {
1530 iwl_dump_nic_error_log(priv
);
1531 iwl_dump_nic_event_log(priv
);
1532 iwl4965_print_rx_config_cmd(priv
);
1536 wake_up_interruptible(&priv
->wait_command_queue
);
1538 /* Keep the restart process from trying to send host
1539 * commands by clearing the INIT status bit */
1540 clear_bit(STATUS_READY
, &priv
->status
);
1542 if (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
)) {
1543 IWL_DEBUG(IWL_DL_FW_ERRORS
,
1544 "Restarting adapter due to uCode error.\n");
1546 if (iwl_is_associated(priv
)) {
1547 memcpy(&priv
->recovery_rxon
, &priv
->active_rxon
,
1548 sizeof(priv
->recovery_rxon
));
1549 priv
->error_recovering
= 1;
1551 if (priv
->cfg
->mod_params
->restart_fw
)
1552 queue_work(priv
->workqueue
, &priv
->restart
);
1556 static void iwl4965_error_recovery(struct iwl_priv
*priv
)
1558 unsigned long flags
;
1560 memcpy(&priv
->staging_rxon
, &priv
->recovery_rxon
,
1561 sizeof(priv
->staging_rxon
));
1562 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
1563 iwl4965_commit_rxon(priv
);
1565 iwl_rxon_add_station(priv
, priv
->bssid
, 1);
1567 spin_lock_irqsave(&priv
->lock
, flags
);
1568 priv
->assoc_id
= le16_to_cpu(priv
->staging_rxon
.assoc_id
);
1569 priv
->error_recovering
= 0;
1570 spin_unlock_irqrestore(&priv
->lock
, flags
);
1573 static void iwl4965_irq_tasklet(struct iwl_priv
*priv
)
1575 u32 inta
, handled
= 0;
1577 unsigned long flags
;
1578 #ifdef CONFIG_IWLWIFI_DEBUG
1582 spin_lock_irqsave(&priv
->lock
, flags
);
1584 /* Ack/clear/reset pending uCode interrupts.
1585 * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
1586 * and will clear only when CSR_FH_INT_STATUS gets cleared. */
1587 inta
= iwl_read32(priv
, CSR_INT
);
1588 iwl_write32(priv
, CSR_INT
, inta
);
1590 /* Ack/clear/reset pending flow-handler (DMA) interrupts.
1591 * Any new interrupts that happen after this, either while we're
1592 * in this tasklet, or later, will show up in next ISR/tasklet. */
1593 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1594 iwl_write32(priv
, CSR_FH_INT_STATUS
, inta_fh
);
1596 #ifdef CONFIG_IWLWIFI_DEBUG
1597 if (priv
->debug_level
& IWL_DL_ISR
) {
1598 /* just for debug */
1599 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
);
1600 IWL_DEBUG_ISR("inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
1601 inta
, inta_mask
, inta_fh
);
1605 /* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
1606 * atomic, make sure that inta covers all the interrupts that
1607 * we've discovered, even if FH interrupt came in just after
1608 * reading CSR_INT. */
1609 if (inta_fh
& CSR49_FH_INT_RX_MASK
)
1610 inta
|= CSR_INT_BIT_FH_RX
;
1611 if (inta_fh
& CSR49_FH_INT_TX_MASK
)
1612 inta
|= CSR_INT_BIT_FH_TX
;
1614 /* Now service all interrupt bits discovered above. */
1615 if (inta
& CSR_INT_BIT_HW_ERR
) {
1616 IWL_ERROR("Microcode HW error detected. Restarting.\n");
1618 /* Tell the device to stop sending interrupts */
1619 iwl4965_disable_interrupts(priv
);
1621 iwl4965_irq_handle_error(priv
);
1623 handled
|= CSR_INT_BIT_HW_ERR
;
1625 spin_unlock_irqrestore(&priv
->lock
, flags
);
1630 #ifdef CONFIG_IWLWIFI_DEBUG
1631 if (priv
->debug_level
& (IWL_DL_ISR
)) {
1632 /* NIC fires this, but we don't use it, redundant with WAKEUP */
1633 if (inta
& CSR_INT_BIT_SCD
)
1634 IWL_DEBUG_ISR("Scheduler finished to transmit "
1635 "the frame/frames.\n");
1637 /* Alive notification via Rx interrupt will do the real work */
1638 if (inta
& CSR_INT_BIT_ALIVE
)
1639 IWL_DEBUG_ISR("Alive interrupt\n");
1642 /* Safely ignore these bits for debug checks below */
1643 inta
&= ~(CSR_INT_BIT_SCD
| CSR_INT_BIT_ALIVE
);
1645 /* HW RF KILL switch toggled */
1646 if (inta
& CSR_INT_BIT_RF_KILL
) {
1648 if (!(iwl_read32(priv
, CSR_GP_CNTRL
) &
1649 CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW
))
1652 IWL_DEBUG(IWL_DL_RF_KILL
, "RF_KILL bit toggled to %s.\n",
1653 hw_rf_kill
? "disable radio":"enable radio");
1655 /* driver only loads ucode once setting the interface up.
1656 * the driver as well won't allow loading if RFKILL is set
1657 * therefore no need to restart the driver from this handler
1659 if (!hw_rf_kill
&& !test_bit(STATUS_ALIVE
, &priv
->status
))
1660 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1662 handled
|= CSR_INT_BIT_RF_KILL
;
1665 /* Chip got too hot and stopped itself */
1666 if (inta
& CSR_INT_BIT_CT_KILL
) {
1667 IWL_ERROR("Microcode CT kill error detected.\n");
1668 handled
|= CSR_INT_BIT_CT_KILL
;
1671 /* Error detected by uCode */
1672 if (inta
& CSR_INT_BIT_SW_ERR
) {
1673 IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n",
1675 iwl4965_irq_handle_error(priv
);
1676 handled
|= CSR_INT_BIT_SW_ERR
;
1679 /* uCode wakes up after power-down sleep */
1680 if (inta
& CSR_INT_BIT_WAKEUP
) {
1681 IWL_DEBUG_ISR("Wakeup interrupt\n");
1682 iwl_rx_queue_update_write_ptr(priv
, &priv
->rxq
);
1683 iwl_txq_update_write_ptr(priv
, &priv
->txq
[0]);
1684 iwl_txq_update_write_ptr(priv
, &priv
->txq
[1]);
1685 iwl_txq_update_write_ptr(priv
, &priv
->txq
[2]);
1686 iwl_txq_update_write_ptr(priv
, &priv
->txq
[3]);
1687 iwl_txq_update_write_ptr(priv
, &priv
->txq
[4]);
1688 iwl_txq_update_write_ptr(priv
, &priv
->txq
[5]);
1690 handled
|= CSR_INT_BIT_WAKEUP
;
1693 /* All uCode command responses, including Tx command responses,
1694 * Rx "responses" (frame-received notification), and other
1695 * notifications from uCode come through here*/
1696 if (inta
& (CSR_INT_BIT_FH_RX
| CSR_INT_BIT_SW_RX
)) {
1697 iwl_rx_handle(priv
);
1698 handled
|= (CSR_INT_BIT_FH_RX
| CSR_INT_BIT_SW_RX
);
1701 if (inta
& CSR_INT_BIT_FH_TX
) {
1702 IWL_DEBUG_ISR("Tx interrupt\n");
1703 handled
|= CSR_INT_BIT_FH_TX
;
1704 /* FH finished to write, send event */
1705 priv
->ucode_write_complete
= 1;
1706 wake_up_interruptible(&priv
->wait_command_queue
);
1709 if (inta
& ~handled
)
1710 IWL_ERROR("Unhandled INTA bits 0x%08x\n", inta
& ~handled
);
1712 if (inta
& ~CSR_INI_SET_MASK
) {
1713 IWL_WARNING("Disabled INTA bits 0x%08x were pending\n",
1714 inta
& ~CSR_INI_SET_MASK
);
1715 IWL_WARNING(" with FH_INT = 0x%08x\n", inta_fh
);
1718 /* Re-enable all interrupts */
1719 /* only Re-enable if diabled by irq */
1720 if (test_bit(STATUS_INT_ENABLED
, &priv
->status
))
1721 iwl4965_enable_interrupts(priv
);
1723 #ifdef CONFIG_IWLWIFI_DEBUG
1724 if (priv
->debug_level
& (IWL_DL_ISR
)) {
1725 inta
= iwl_read32(priv
, CSR_INT
);
1726 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
);
1727 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1728 IWL_DEBUG_ISR("End inta 0x%08x, enabled 0x%08x, fh 0x%08x, "
1729 "flags 0x%08lx\n", inta
, inta_mask
, inta_fh
, flags
);
1732 spin_unlock_irqrestore(&priv
->lock
, flags
);
1735 static irqreturn_t
iwl4965_isr(int irq
, void *data
)
1737 struct iwl_priv
*priv
= data
;
1738 u32 inta
, inta_mask
;
1743 spin_lock(&priv
->lock
);
1745 /* Disable (but don't clear!) interrupts here to avoid
1746 * back-to-back ISRs and sporadic interrupts from our NIC.
1747 * If we have something to service, the tasklet will re-enable ints.
1748 * If we *don't* have something, we'll re-enable before leaving here. */
1749 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
); /* just for debug */
1750 iwl_write32(priv
, CSR_INT_MASK
, 0x00000000);
1752 /* Discover which interrupts are active/pending */
1753 inta
= iwl_read32(priv
, CSR_INT
);
1754 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1756 /* Ignore interrupt if there's nothing in NIC to service.
1757 * This may be due to IRQ shared with another device,
1758 * or due to sporadic interrupts thrown from our NIC. */
1759 if (!inta
&& !inta_fh
) {
1760 IWL_DEBUG_ISR("Ignore interrupt, inta == 0, inta_fh == 0\n");
1764 if ((inta
== 0xFFFFFFFF) || ((inta
& 0xFFFFFFF0) == 0xa5a5a5a0)) {
1765 /* Hardware disappeared. It might have already raised
1767 IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta
);
1771 IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
1772 inta
, inta_mask
, inta_fh
);
1774 inta
&= ~CSR_INT_BIT_SCD
;
1776 /* iwl4965_irq_tasklet() will service interrupts and re-enable them */
1777 if (likely(inta
|| inta_fh
))
1778 tasklet_schedule(&priv
->irq_tasklet
);
1781 spin_unlock(&priv
->lock
);
1785 /* re-enable interrupts here since we don't have anything to service. */
1786 /* only Re-enable if diabled by irq */
1787 if (test_bit(STATUS_INT_ENABLED
, &priv
->status
))
1788 iwl4965_enable_interrupts(priv
);
1789 spin_unlock(&priv
->lock
);
1793 /******************************************************************************
1795 * uCode download functions
1797 ******************************************************************************/
1799 static void iwl4965_dealloc_ucode_pci(struct iwl_priv
*priv
)
1801 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_code
);
1802 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_data
);
1803 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_data_backup
);
1804 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_init
);
1805 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_init_data
);
1806 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_boot
);
1809 static void iwl4965_nic_start(struct iwl_priv
*priv
)
1811 /* Remove all resets to allow NIC to operate */
1812 iwl_write32(priv
, CSR_RESET
, 0);
1817 * iwl4965_read_ucode - Read uCode images from disk file.
1819 * Copy into buffers for card to fetch via bus-mastering
1821 static int iwl4965_read_ucode(struct iwl_priv
*priv
)
1823 struct iwl_ucode
*ucode
;
1825 const struct firmware
*ucode_raw
;
1826 const char *name
= priv
->cfg
->fw_name
;
1829 u32 ver
, inst_size
, data_size
, init_size
, init_data_size
, boot_size
;
1831 /* Ask kernel firmware_class module to get the boot firmware off disk.
1832 * request_firmware() is synchronous, file is in memory on return. */
1833 ret
= request_firmware(&ucode_raw
, name
, &priv
->pci_dev
->dev
);
1835 IWL_ERROR("%s firmware file req failed: Reason %d\n",
1840 IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n",
1841 name
, ucode_raw
->size
);
1843 /* Make sure that we got at least our header! */
1844 if (ucode_raw
->size
< sizeof(*ucode
)) {
1845 IWL_ERROR("File size way too small!\n");
1850 /* Data from ucode file: header followed by uCode images */
1851 ucode
= (void *)ucode_raw
->data
;
1853 ver
= le32_to_cpu(ucode
->ver
);
1854 inst_size
= le32_to_cpu(ucode
->inst_size
);
1855 data_size
= le32_to_cpu(ucode
->data_size
);
1856 init_size
= le32_to_cpu(ucode
->init_size
);
1857 init_data_size
= le32_to_cpu(ucode
->init_data_size
);
1858 boot_size
= le32_to_cpu(ucode
->boot_size
);
1860 IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver
);
1861 IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n",
1863 IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n",
1865 IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n",
1867 IWL_DEBUG_INFO("f/w package hdr init data size = %u\n",
1869 IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n",
1872 /* Verify size of file vs. image size info in file's header */
1873 if (ucode_raw
->size
< sizeof(*ucode
) +
1874 inst_size
+ data_size
+ init_size
+
1875 init_data_size
+ boot_size
) {
1877 IWL_DEBUG_INFO("uCode file size %d too small\n",
1878 (int)ucode_raw
->size
);
1883 /* Verify that uCode images will fit in card's SRAM */
1884 if (inst_size
> priv
->hw_params
.max_inst_size
) {
1885 IWL_DEBUG_INFO("uCode instr len %d too large to fit in\n",
1891 if (data_size
> priv
->hw_params
.max_data_size
) {
1892 IWL_DEBUG_INFO("uCode data len %d too large to fit in\n",
1897 if (init_size
> priv
->hw_params
.max_inst_size
) {
1899 ("uCode init instr len %d too large to fit in\n",
1904 if (init_data_size
> priv
->hw_params
.max_data_size
) {
1906 ("uCode init data len %d too large to fit in\n",
1911 if (boot_size
> priv
->hw_params
.max_bsm_size
) {
1913 ("uCode boot instr len %d too large to fit in\n",
1919 /* Allocate ucode buffers for card's bus-master loading ... */
1921 /* Runtime instructions and 2 copies of data:
1922 * 1) unmodified from disk
1923 * 2) backup cache for save/restore during power-downs */
1924 priv
->ucode_code
.len
= inst_size
;
1925 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_code
);
1927 priv
->ucode_data
.len
= data_size
;
1928 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_data
);
1930 priv
->ucode_data_backup
.len
= data_size
;
1931 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_data_backup
);
1933 /* Initialization instructions and data */
1934 if (init_size
&& init_data_size
) {
1935 priv
->ucode_init
.len
= init_size
;
1936 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_init
);
1938 priv
->ucode_init_data
.len
= init_data_size
;
1939 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_init_data
);
1941 if (!priv
->ucode_init
.v_addr
|| !priv
->ucode_init_data
.v_addr
)
1945 /* Bootstrap (instructions only, no data) */
1947 priv
->ucode_boot
.len
= boot_size
;
1948 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_boot
);
1950 if (!priv
->ucode_boot
.v_addr
)
1954 /* Copy images into buffers for card's bus-master reads ... */
1956 /* Runtime instructions (first block of data in file) */
1957 src
= &ucode
->data
[0];
1958 len
= priv
->ucode_code
.len
;
1959 IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %Zd\n", len
);
1960 memcpy(priv
->ucode_code
.v_addr
, src
, len
);
1961 IWL_DEBUG_INFO("uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
1962 priv
->ucode_code
.v_addr
, (u32
)priv
->ucode_code
.p_addr
);
1964 /* Runtime data (2nd block)
1965 * NOTE: Copy into backup buffer will be done in iwl4965_up() */
1966 src
= &ucode
->data
[inst_size
];
1967 len
= priv
->ucode_data
.len
;
1968 IWL_DEBUG_INFO("Copying (but not loading) uCode data len %Zd\n", len
);
1969 memcpy(priv
->ucode_data
.v_addr
, src
, len
);
1970 memcpy(priv
->ucode_data_backup
.v_addr
, src
, len
);
1972 /* Initialization instructions (3rd block) */
1974 src
= &ucode
->data
[inst_size
+ data_size
];
1975 len
= priv
->ucode_init
.len
;
1976 IWL_DEBUG_INFO("Copying (but not loading) init instr len %Zd\n",
1978 memcpy(priv
->ucode_init
.v_addr
, src
, len
);
1981 /* Initialization data (4th block) */
1982 if (init_data_size
) {
1983 src
= &ucode
->data
[inst_size
+ data_size
+ init_size
];
1984 len
= priv
->ucode_init_data
.len
;
1985 IWL_DEBUG_INFO("Copying (but not loading) init data len %Zd\n",
1987 memcpy(priv
->ucode_init_data
.v_addr
, src
, len
);
1990 /* Bootstrap instructions (5th block) */
1991 src
= &ucode
->data
[inst_size
+ data_size
+ init_size
+ init_data_size
];
1992 len
= priv
->ucode_boot
.len
;
1993 IWL_DEBUG_INFO("Copying (but not loading) boot instr len %Zd\n", len
);
1994 memcpy(priv
->ucode_boot
.v_addr
, src
, len
);
1996 /* We have our copies now, allow OS release its copies */
1997 release_firmware(ucode_raw
);
2001 IWL_ERROR("failed to allocate pci memory\n");
2003 iwl4965_dealloc_ucode_pci(priv
);
2006 release_firmware(ucode_raw
);
2013 * iwl_alive_start - called after REPLY_ALIVE notification received
2014 * from protocol/runtime uCode (initialization uCode's
2015 * Alive gets handled by iwl_init_alive_start()).
2017 static void iwl_alive_start(struct iwl_priv
*priv
)
2021 IWL_DEBUG_INFO("Runtime Alive received.\n");
2023 if (priv
->card_alive
.is_valid
!= UCODE_VALID_OK
) {
2024 /* We had an error bringing up the hardware, so take it
2025 * all the way back down so we can try again */
2026 IWL_DEBUG_INFO("Alive failed.\n");
2030 /* Initialize uCode has loaded Runtime uCode ... verify inst image.
2031 * This is a paranoid check, because we would not have gotten the
2032 * "runtime" alive if code weren't properly loaded. */
2033 if (iwl_verify_ucode(priv
)) {
2034 /* Runtime instruction load was bad;
2035 * take it all the way back down so we can try again */
2036 IWL_DEBUG_INFO("Bad runtime uCode load.\n");
2040 iwl_clear_stations_table(priv
);
2041 ret
= priv
->cfg
->ops
->lib
->alive_notify(priv
);
2043 IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n",
2048 /* After the ALIVE response, we can send host commands to 4965 uCode */
2049 set_bit(STATUS_ALIVE
, &priv
->status
);
2051 if (iwl_is_rfkill(priv
))
2054 ieee80211_wake_queues(priv
->hw
);
2056 priv
->active_rate
= priv
->rates_mask
;
2057 priv
->active_rate_basic
= priv
->rates_mask
& IWL_BASIC_RATES_MASK
;
2059 if (iwl_is_associated(priv
)) {
2060 struct iwl_rxon_cmd
*active_rxon
=
2061 (struct iwl_rxon_cmd
*)&priv
->active_rxon
;
2063 memcpy(&priv
->staging_rxon
, &priv
->active_rxon
,
2064 sizeof(priv
->staging_rxon
));
2065 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2067 /* Initialize our rx_config data */
2068 iwl4965_connection_init_rx_config(priv
);
2069 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
2072 /* Configure Bluetooth device coexistence support */
2073 iwl4965_send_bt_config(priv
);
2075 iwl_reset_run_time_calib(priv
);
2077 /* Configure the adapter for unassociated operation */
2078 iwl4965_commit_rxon(priv
);
2080 /* At this point, the NIC is initialized and operational */
2081 iwl_rf_kill_ct_config(priv
);
2083 iwl_leds_register(priv
);
2085 IWL_DEBUG_INFO("ALIVE processing complete.\n");
2086 set_bit(STATUS_READY
, &priv
->status
);
2087 wake_up_interruptible(&priv
->wait_command_queue
);
2089 if (priv
->error_recovering
)
2090 iwl4965_error_recovery(priv
);
2092 iwl_power_update_mode(priv
, 1);
2093 ieee80211_notify_mac(priv
->hw
, IEEE80211_NOTIFY_RE_ASSOC
);
2095 if (test_and_clear_bit(STATUS_MODE_PENDING
, &priv
->status
))
2096 iwl4965_set_mode(priv
, priv
->iw_mode
);
2101 queue_work(priv
->workqueue
, &priv
->restart
);
2104 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
);
2106 static void __iwl4965_down(struct iwl_priv
*priv
)
2108 unsigned long flags
;
2109 int exit_pending
= test_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2111 IWL_DEBUG_INFO(DRV_NAME
" is going down\n");
2114 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2116 iwl_leds_unregister(priv
);
2118 iwl_clear_stations_table(priv
);
2120 /* Unblock any waiting calls */
2121 wake_up_interruptible_all(&priv
->wait_command_queue
);
2123 /* Wipe out the EXIT_PENDING status bit if we are not actually
2124 * exiting the module */
2126 clear_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2128 /* stop and reset the on-board processor */
2129 iwl_write32(priv
, CSR_RESET
, CSR_RESET_REG_FLAG_NEVO_RESET
);
2131 /* tell the device to stop sending interrupts */
2132 spin_lock_irqsave(&priv
->lock
, flags
);
2133 iwl4965_disable_interrupts(priv
);
2134 spin_unlock_irqrestore(&priv
->lock
, flags
);
2135 iwl_synchronize_irq(priv
);
2137 if (priv
->mac80211_registered
)
2138 ieee80211_stop_queues(priv
->hw
);
2140 /* If we have not previously called iwl4965_init() then
2141 * clear all bits but the RF Kill and SUSPEND bits and return */
2142 if (!iwl_is_init(priv
)) {
2143 priv
->status
= test_bit(STATUS_RF_KILL_HW
, &priv
->status
) <<
2145 test_bit(STATUS_RF_KILL_SW
, &priv
->status
) <<
2147 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
) <<
2148 STATUS_GEO_CONFIGURED
|
2149 test_bit(STATUS_IN_SUSPEND
, &priv
->status
) <<
2151 test_bit(STATUS_EXIT_PENDING
, &priv
->status
) <<
2152 STATUS_EXIT_PENDING
;
2156 /* ...otherwise clear out all the status bits but the RF Kill and
2157 * SUSPEND bits and continue taking the NIC down. */
2158 priv
->status
&= test_bit(STATUS_RF_KILL_HW
, &priv
->status
) <<
2160 test_bit(STATUS_RF_KILL_SW
, &priv
->status
) <<
2162 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
) <<
2163 STATUS_GEO_CONFIGURED
|
2164 test_bit(STATUS_IN_SUSPEND
, &priv
->status
) <<
2166 test_bit(STATUS_FW_ERROR
, &priv
->status
) <<
2168 test_bit(STATUS_EXIT_PENDING
, &priv
->status
) <<
2169 STATUS_EXIT_PENDING
;
2171 spin_lock_irqsave(&priv
->lock
, flags
);
2172 iwl_clear_bit(priv
, CSR_GP_CNTRL
,
2173 CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ
);
2174 spin_unlock_irqrestore(&priv
->lock
, flags
);
2176 iwl_txq_ctx_stop(priv
);
2179 spin_lock_irqsave(&priv
->lock
, flags
);
2180 if (!iwl_grab_nic_access(priv
)) {
2181 iwl_write_prph(priv
, APMG_CLK_DIS_REG
,
2182 APMG_CLK_VAL_DMA_CLK_RQT
);
2183 iwl_release_nic_access(priv
);
2185 spin_unlock_irqrestore(&priv
->lock
, flags
);
2189 /* FIXME: apm_ops.suspend(priv) */
2190 if (exit_pending
|| test_bit(STATUS_IN_SUSPEND
, &priv
->status
))
2191 priv
->cfg
->ops
->lib
->apm_ops
.stop(priv
);
2193 priv
->cfg
->ops
->lib
->apm_ops
.reset(priv
);
2194 priv
->cfg
->ops
->lib
->free_shared_mem(priv
);
2197 memset(&priv
->card_alive
, 0, sizeof(struct iwl_alive_resp
));
2199 if (priv
->ibss_beacon
)
2200 dev_kfree_skb(priv
->ibss_beacon
);
2201 priv
->ibss_beacon
= NULL
;
2203 /* clear out any free frames */
2204 iwl_clear_free_frames(priv
);
2207 static void iwl4965_down(struct iwl_priv
*priv
)
2209 mutex_lock(&priv
->mutex
);
2210 __iwl4965_down(priv
);
2211 mutex_unlock(&priv
->mutex
);
2213 iwl_cancel_deferred_work(priv
);
2216 #define MAX_HW_RESTARTS 5
2218 static int __iwl4965_up(struct iwl_priv
*priv
)
2223 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
)) {
2224 IWL_WARNING("Exit pending; will not bring the NIC up\n");
2228 if (!priv
->ucode_data_backup
.v_addr
|| !priv
->ucode_data
.v_addr
) {
2229 IWL_ERROR("ucode not available for device bringup\n");
2233 /* If platform's RF_KILL switch is NOT set to KILL */
2234 if (iwl_read32(priv
, CSR_GP_CNTRL
) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW
)
2235 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
2237 set_bit(STATUS_RF_KILL_HW
, &priv
->status
);
2239 if (iwl_is_rfkill(priv
)) {
2240 iwl4965_enable_interrupts(priv
);
2241 IWL_WARNING("Radio disabled by %s RF Kill switch\n",
2242 test_bit(STATUS_RF_KILL_HW
, &priv
->status
) ? "HW" : "SW");
2246 iwl_write32(priv
, CSR_INT
, 0xFFFFFFFF);
2248 ret
= priv
->cfg
->ops
->lib
->alloc_shared_mem(priv
);
2250 IWL_ERROR("Unable to allocate shared memory\n");
2254 ret
= iwl_hw_nic_init(priv
);
2256 IWL_ERROR("Unable to init nic\n");
2260 /* make sure rfkill handshake bits are cleared */
2261 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
, CSR_UCODE_SW_BIT_RFKILL
);
2262 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
,
2263 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
2265 /* clear (again), then enable host interrupts */
2266 iwl_write32(priv
, CSR_INT
, 0xFFFFFFFF);
2267 iwl4965_enable_interrupts(priv
);
2269 /* really make sure rfkill handshake bits are cleared */
2270 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
, CSR_UCODE_SW_BIT_RFKILL
);
2271 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
, CSR_UCODE_SW_BIT_RFKILL
);
2273 /* Copy original ucode data image from disk into backup cache.
2274 * This will be used to initialize the on-board processor's
2275 * data SRAM for a clean start when the runtime program first loads. */
2276 memcpy(priv
->ucode_data_backup
.v_addr
, priv
->ucode_data
.v_addr
,
2277 priv
->ucode_data
.len
);
2279 for (i
= 0; i
< MAX_HW_RESTARTS
; i
++) {
2281 iwl_clear_stations_table(priv
);
2283 /* load bootstrap state machine,
2284 * load bootstrap program into processor's memory,
2285 * prepare to load the "initialize" uCode */
2286 ret
= priv
->cfg
->ops
->lib
->load_ucode(priv
);
2289 IWL_ERROR("Unable to set up bootstrap uCode: %d\n", ret
);
2293 /* Clear out the uCode error bit if it is set */
2294 clear_bit(STATUS_FW_ERROR
, &priv
->status
);
2296 /* start card; "initialize" will load runtime ucode */
2297 iwl4965_nic_start(priv
);
2299 IWL_DEBUG_INFO(DRV_NAME
" is coming up\n");
2304 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2305 __iwl4965_down(priv
);
2306 clear_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2308 /* tried to restart and config the device for as long as our
2309 * patience could withstand */
2310 IWL_ERROR("Unable to initialize device after %d attempts.\n", i
);
2315 /*****************************************************************************
2317 * Workqueue callbacks
2319 *****************************************************************************/
2321 static void iwl_bg_init_alive_start(struct work_struct
*data
)
2323 struct iwl_priv
*priv
=
2324 container_of(data
, struct iwl_priv
, init_alive_start
.work
);
2326 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2329 mutex_lock(&priv
->mutex
);
2330 priv
->cfg
->ops
->lib
->init_alive_start(priv
);
2331 mutex_unlock(&priv
->mutex
);
2334 static void iwl_bg_alive_start(struct work_struct
*data
)
2336 struct iwl_priv
*priv
=
2337 container_of(data
, struct iwl_priv
, alive_start
.work
);
2339 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2342 mutex_lock(&priv
->mutex
);
2343 iwl_alive_start(priv
);
2344 mutex_unlock(&priv
->mutex
);
2347 static void iwl4965_bg_rf_kill(struct work_struct
*work
)
2349 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
, rf_kill
);
2351 wake_up_interruptible(&priv
->wait_command_queue
);
2353 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2356 mutex_lock(&priv
->mutex
);
2358 if (!iwl_is_rfkill(priv
)) {
2359 IWL_DEBUG(IWL_DL_RF_KILL
,
2360 "HW and/or SW RF Kill no longer active, restarting "
2362 if (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2363 queue_work(priv
->workqueue
, &priv
->restart
);
2365 /* make sure mac80211 stop sending Tx frame */
2366 if (priv
->mac80211_registered
)
2367 ieee80211_stop_queues(priv
->hw
);
2369 if (!test_bit(STATUS_RF_KILL_HW
, &priv
->status
))
2370 IWL_DEBUG_RF_KILL("Can not turn radio back on - "
2371 "disabled by SW switch\n");
2373 IWL_WARNING("Radio Frequency Kill Switch is On:\n"
2374 "Kill switch must be turned off for "
2375 "wireless networking to work.\n");
2377 mutex_unlock(&priv
->mutex
);
2378 iwl_rfkill_set_hw_state(priv
);
2381 static void iwl4965_bg_set_monitor(struct work_struct
*work
)
2383 struct iwl_priv
*priv
= container_of(work
,
2384 struct iwl_priv
, set_monitor
);
2387 IWL_DEBUG(IWL_DL_STATE
, "setting monitor mode\n");
2389 mutex_lock(&priv
->mutex
);
2391 ret
= iwl4965_set_mode(priv
, IEEE80211_IF_TYPE_MNTR
);
2395 IWL_DEBUG(IWL_DL_STATE
, "leave - not ready\n");
2397 IWL_ERROR("iwl4965_set_mode() failed ret = %d\n", ret
);
2400 mutex_unlock(&priv
->mutex
);
2403 static void iwl_bg_run_time_calib_work(struct work_struct
*work
)
2405 struct iwl_priv
*priv
= container_of(work
, struct iwl_priv
,
2406 run_time_calib_work
);
2408 mutex_lock(&priv
->mutex
);
2410 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
) ||
2411 test_bit(STATUS_SCANNING
, &priv
->status
)) {
2412 mutex_unlock(&priv
->mutex
);
2416 if (priv
->start_calib
) {
2417 iwl_chain_noise_calibration(priv
, &priv
->statistics
);
2419 iwl_sensitivity_calibration(priv
, &priv
->statistics
);
2422 mutex_unlock(&priv
->mutex
);
2426 static void iwl4965_bg_up(struct work_struct
*data
)
2428 struct iwl_priv
*priv
= container_of(data
, struct iwl_priv
, up
);
2430 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2433 mutex_lock(&priv
->mutex
);
2435 mutex_unlock(&priv
->mutex
);
2436 iwl_rfkill_set_hw_state(priv
);
2439 static void iwl4965_bg_restart(struct work_struct
*data
)
2441 struct iwl_priv
*priv
= container_of(data
, struct iwl_priv
, restart
);
2443 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2447 queue_work(priv
->workqueue
, &priv
->up
);
2450 static void iwl4965_bg_rx_replenish(struct work_struct
*data
)
2452 struct iwl_priv
*priv
=
2453 container_of(data
, struct iwl_priv
, rx_replenish
);
2455 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2458 mutex_lock(&priv
->mutex
);
2459 iwl_rx_replenish(priv
);
2460 mutex_unlock(&priv
->mutex
);
2463 #define IWL_DELAY_NEXT_SCAN (HZ*2)
2465 static void iwl4965_post_associate(struct iwl_priv
*priv
)
2467 struct ieee80211_conf
*conf
= NULL
;
2469 DECLARE_MAC_BUF(mac
);
2470 unsigned long flags
;
2472 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) {
2473 IWL_ERROR("%s Should not be called in AP mode\n", __func__
);
2477 IWL_DEBUG_ASSOC("Associated as %d to: %s\n",
2479 print_mac(mac
, priv
->active_rxon
.bssid_addr
));
2482 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2486 if (!priv
->vif
|| !priv
->is_open
)
2489 iwl_power_cancel_timeout(priv
);
2490 iwl_scan_cancel_timeout(priv
, 200);
2492 conf
= ieee80211_get_hw_conf(priv
->hw
);
2494 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2495 iwl4965_commit_rxon(priv
);
2497 memset(&priv
->rxon_timing
, 0, sizeof(struct iwl4965_rxon_time_cmd
));
2498 iwl4965_setup_rxon_timing(priv
);
2499 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON_TIMING
,
2500 sizeof(priv
->rxon_timing
), &priv
->rxon_timing
);
2502 IWL_WARNING("REPLY_RXON_TIMING failed - "
2503 "Attempting to continue.\n");
2505 priv
->staging_rxon
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2507 if (priv
->current_ht_config
.is_ht
)
2508 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
2510 iwl_set_rxon_chain(priv
);
2511 priv
->staging_rxon
.assoc_id
= cpu_to_le16(priv
->assoc_id
);
2513 IWL_DEBUG_ASSOC("assoc id %d beacon interval %d\n",
2514 priv
->assoc_id
, priv
->beacon_int
);
2516 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
)
2517 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
2519 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2521 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) {
2522 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_SLOT_TIME
)
2523 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
2525 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2527 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
2528 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2532 iwl4965_commit_rxon(priv
);
2534 switch (priv
->iw_mode
) {
2535 case IEEE80211_IF_TYPE_STA
:
2538 case IEEE80211_IF_TYPE_IBSS
:
2540 /* assume default assoc id */
2543 iwl_rxon_add_station(priv
, priv
->bssid
, 0);
2544 iwl4965_send_beacon_cmd(priv
);
2549 IWL_ERROR("%s Should not be called in %d mode\n",
2550 __func__
, priv
->iw_mode
);
2554 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
2555 priv
->assoc_station_added
= 1;
2557 spin_lock_irqsave(&priv
->lock
, flags
);
2558 iwl_activate_qos(priv
, 0);
2559 spin_unlock_irqrestore(&priv
->lock
, flags
);
2561 /* the chain noise calibration will enabled PM upon completion
2562 * If chain noise has already been run, then we need to enable
2563 * power management here */
2564 if (priv
->chain_noise_data
.state
== IWL_CHAIN_NOISE_DONE
)
2565 iwl_power_enable_management(priv
);
2567 /* Enable Rx differential gain and sensitivity calibrations */
2568 iwl_chain_noise_reset(priv
);
2569 priv
->start_calib
= 1;
2571 /* we have just associated, don't start scan too early */
2572 priv
->next_scan_jiffies
= jiffies
+ IWL_DELAY_NEXT_SCAN
;
2575 static int iwl4965_mac_config(struct ieee80211_hw
*hw
, struct ieee80211_conf
*conf
);
2577 static void iwl_bg_scan_completed(struct work_struct
*work
)
2579 struct iwl_priv
*priv
=
2580 container_of(work
, struct iwl_priv
, scan_completed
);
2582 IWL_DEBUG_SCAN("SCAN complete scan\n");
2584 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2587 if (test_bit(STATUS_CONF_PENDING
, &priv
->status
))
2588 iwl4965_mac_config(priv
->hw
, ieee80211_get_hw_conf(priv
->hw
));
2590 ieee80211_scan_completed(priv
->hw
);
2592 /* Since setting the TXPOWER may have been deferred while
2593 * performing the scan, fire one off */
2594 mutex_lock(&priv
->mutex
);
2595 iwl_set_tx_power(priv
, priv
->tx_power_user_lmt
, true);
2596 mutex_unlock(&priv
->mutex
);
2599 /*****************************************************************************
2601 * mac80211 entry point functions
2603 *****************************************************************************/
2605 #define UCODE_READY_TIMEOUT (4 * HZ)
2607 static int iwl4965_mac_start(struct ieee80211_hw
*hw
)
2609 struct iwl_priv
*priv
= hw
->priv
;
2613 IWL_DEBUG_MAC80211("enter\n");
2615 if (pci_enable_device(priv
->pci_dev
)) {
2616 IWL_ERROR("Fail to pci_enable_device\n");
2619 pci_restore_state(priv
->pci_dev
);
2620 pci_enable_msi(priv
->pci_dev
);
2622 /* enable interrupts if needed: hw bug w/a */
2623 pci_read_config_word(priv
->pci_dev
, PCI_COMMAND
, &pci_cmd
);
2624 if (pci_cmd
& PCI_COMMAND_INTX_DISABLE
) {
2625 pci_cmd
&= ~PCI_COMMAND_INTX_DISABLE
;
2626 pci_write_config_word(priv
->pci_dev
, PCI_COMMAND
, pci_cmd
);
2629 ret
= request_irq(priv
->pci_dev
->irq
, iwl4965_isr
, IRQF_SHARED
,
2632 IWL_ERROR("Error allocating IRQ %d\n", priv
->pci_dev
->irq
);
2633 goto out_disable_msi
;
2636 /* we should be verifying the device is ready to be opened */
2637 mutex_lock(&priv
->mutex
);
2639 memset(&priv
->staging_rxon
, 0, sizeof(struct iwl_rxon_cmd
));
2640 /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
2641 * ucode filename and max sizes are card-specific. */
2643 if (!priv
->ucode_code
.len
) {
2644 ret
= iwl4965_read_ucode(priv
);
2646 IWL_ERROR("Could not read microcode: %d\n", ret
);
2647 mutex_unlock(&priv
->mutex
);
2648 goto out_release_irq
;
2652 ret
= __iwl4965_up(priv
);
2654 mutex_unlock(&priv
->mutex
);
2656 iwl_rfkill_set_hw_state(priv
);
2659 goto out_release_irq
;
2661 if (iwl_is_rfkill(priv
))
2664 IWL_DEBUG_INFO("Start UP work done.\n");
2666 if (test_bit(STATUS_IN_SUSPEND
, &priv
->status
))
2669 /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from
2670 * mac80211 will not be run successfully. */
2671 ret
= wait_event_interruptible_timeout(priv
->wait_command_queue
,
2672 test_bit(STATUS_READY
, &priv
->status
),
2673 UCODE_READY_TIMEOUT
);
2675 if (!test_bit(STATUS_READY
, &priv
->status
)) {
2676 IWL_ERROR("START_ALIVE timeout after %dms.\n",
2677 jiffies_to_msecs(UCODE_READY_TIMEOUT
));
2679 goto out_release_irq
;
2685 IWL_DEBUG_MAC80211("leave\n");
2689 free_irq(priv
->pci_dev
->irq
, priv
);
2691 pci_disable_msi(priv
->pci_dev
);
2692 pci_disable_device(priv
->pci_dev
);
2694 IWL_DEBUG_MAC80211("leave - failed\n");
2698 static void iwl4965_mac_stop(struct ieee80211_hw
*hw
)
2700 struct iwl_priv
*priv
= hw
->priv
;
2702 IWL_DEBUG_MAC80211("enter\n");
2704 if (!priv
->is_open
) {
2705 IWL_DEBUG_MAC80211("leave - skip\n");
2711 if (iwl_is_ready_rf(priv
)) {
2712 /* stop mac, cancel any scan request and clear
2713 * RXON_FILTER_ASSOC_MSK BIT
2715 mutex_lock(&priv
->mutex
);
2716 iwl_scan_cancel_timeout(priv
, 100);
2717 mutex_unlock(&priv
->mutex
);
2722 flush_workqueue(priv
->workqueue
);
2723 free_irq(priv
->pci_dev
->irq
, priv
);
2724 pci_disable_msi(priv
->pci_dev
);
2725 pci_save_state(priv
->pci_dev
);
2726 pci_disable_device(priv
->pci_dev
);
2728 IWL_DEBUG_MAC80211("leave\n");
2731 static int iwl4965_mac_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
2733 struct iwl_priv
*priv
= hw
->priv
;
2735 IWL_DEBUG_MACDUMP("enter\n");
2737 IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb
->len
,
2738 ieee80211_get_tx_rate(hw
, IEEE80211_SKB_CB(skb
))->bitrate
);
2740 if (iwl_tx_skb(priv
, skb
))
2741 dev_kfree_skb_any(skb
);
2743 IWL_DEBUG_MACDUMP("leave\n");
2747 static int iwl4965_mac_add_interface(struct ieee80211_hw
*hw
,
2748 struct ieee80211_if_init_conf
*conf
)
2750 struct iwl_priv
*priv
= hw
->priv
;
2751 unsigned long flags
;
2752 DECLARE_MAC_BUF(mac
);
2754 IWL_DEBUG_MAC80211("enter: type %d\n", conf
->type
);
2757 IWL_DEBUG_MAC80211("leave - vif != NULL\n");
2761 spin_lock_irqsave(&priv
->lock
, flags
);
2762 priv
->vif
= conf
->vif
;
2764 spin_unlock_irqrestore(&priv
->lock
, flags
);
2766 mutex_lock(&priv
->mutex
);
2768 if (conf
->mac_addr
) {
2769 IWL_DEBUG_MAC80211("Set %s\n", print_mac(mac
, conf
->mac_addr
));
2770 memcpy(priv
->mac_addr
, conf
->mac_addr
, ETH_ALEN
);
2773 if (iwl4965_set_mode(priv
, conf
->type
) == -EAGAIN
)
2774 /* we are not ready, will run again when ready */
2775 set_bit(STATUS_MODE_PENDING
, &priv
->status
);
2777 mutex_unlock(&priv
->mutex
);
2779 IWL_DEBUG_MAC80211("leave\n");
2784 * iwl4965_mac_config - mac80211 config callback
2786 * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to
2787 * be set inappropriately and the driver currently sets the hardware up to
2788 * use it whenever needed.
2790 static int iwl4965_mac_config(struct ieee80211_hw
*hw
, struct ieee80211_conf
*conf
)
2792 struct iwl_priv
*priv
= hw
->priv
;
2793 const struct iwl_channel_info
*ch_info
;
2794 unsigned long flags
;
2798 mutex_lock(&priv
->mutex
);
2799 IWL_DEBUG_MAC80211("enter to channel %d\n", conf
->channel
->hw_value
);
2801 if (conf
->radio_enabled
&& iwl_radio_kill_sw_enable_radio(priv
)) {
2802 IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
2806 if (!conf
->radio_enabled
)
2807 iwl_radio_kill_sw_disable_radio(priv
);
2809 if (!iwl_is_ready(priv
)) {
2810 IWL_DEBUG_MAC80211("leave - not ready\n");
2815 if (unlikely(!priv
->cfg
->mod_params
->disable_hw_scan
&&
2816 test_bit(STATUS_SCANNING
, &priv
->status
))) {
2817 IWL_DEBUG_MAC80211("leave - scanning\n");
2818 set_bit(STATUS_CONF_PENDING
, &priv
->status
);
2819 mutex_unlock(&priv
->mutex
);
2823 channel
= ieee80211_frequency_to_channel(conf
->channel
->center_freq
);
2824 ch_info
= iwl_get_channel_info(priv
, conf
->channel
->band
, channel
);
2825 if (!is_channel_valid(ch_info
)) {
2826 IWL_DEBUG_MAC80211("leave - invalid channel\n");
2831 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
&&
2832 !is_channel_ibss(ch_info
)) {
2833 IWL_ERROR("channel %d in band %d not IBSS channel\n",
2834 conf
->channel
->hw_value
, conf
->channel
->band
);
2839 spin_lock_irqsave(&priv
->lock
, flags
);
2842 /* if we are switching from ht to 2.4 clear flags
2843 * from any ht related info since 2.4 does not
2845 if ((le16_to_cpu(priv
->staging_rxon
.channel
) != channel
)
2846 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
2847 && !(conf
->flags
& IEEE80211_CONF_CHANNEL_SWITCH
)
2850 priv
->staging_rxon
.flags
= 0;
2852 iwl_set_rxon_channel(priv
, conf
->channel
);
2854 iwl_set_flags_for_band(priv
, conf
->channel
->band
);
2856 /* The list of supported rates and rate mask can be different
2857 * for each band; since the band may have changed, reset
2858 * the rate mask to what mac80211 lists */
2859 iwl4965_set_rate(priv
);
2861 spin_unlock_irqrestore(&priv
->lock
, flags
);
2863 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
2864 if (conf
->flags
& IEEE80211_CONF_CHANNEL_SWITCH
) {
2865 iwl4965_hw_channel_switch(priv
, conf
->channel
);
2870 if (!conf
->radio_enabled
) {
2871 IWL_DEBUG_MAC80211("leave - radio disabled\n");
2875 if (iwl_is_rfkill(priv
)) {
2876 IWL_DEBUG_MAC80211("leave - RF kill\n");
2881 IWL_DEBUG_MAC80211("TX Power old=%d new=%d\n",
2882 priv
->tx_power_user_lmt
, conf
->power_level
);
2884 iwl_set_tx_power(priv
, conf
->power_level
, false);
2886 iwl4965_set_rate(priv
);
2888 if (memcmp(&priv
->active_rxon
,
2889 &priv
->staging_rxon
, sizeof(priv
->staging_rxon
)))
2890 iwl4965_commit_rxon(priv
);
2892 IWL_DEBUG_INFO("No re-sending same RXON configuration.\n");
2894 IWL_DEBUG_MAC80211("leave\n");
2897 clear_bit(STATUS_CONF_PENDING
, &priv
->status
);
2898 mutex_unlock(&priv
->mutex
);
2902 static void iwl4965_config_ap(struct iwl_priv
*priv
)
2905 unsigned long flags
;
2907 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2910 /* The following should be done only at AP bring up */
2911 if (!(iwl_is_associated(priv
))) {
2913 /* RXON - unassoc (to set timing command) */
2914 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2915 iwl4965_commit_rxon(priv
);
2918 memset(&priv
->rxon_timing
, 0, sizeof(struct iwl4965_rxon_time_cmd
));
2919 iwl4965_setup_rxon_timing(priv
);
2920 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON_TIMING
,
2921 sizeof(priv
->rxon_timing
), &priv
->rxon_timing
);
2923 IWL_WARNING("REPLY_RXON_TIMING failed - "
2924 "Attempting to continue.\n");
2926 iwl_set_rxon_chain(priv
);
2928 /* FIXME: what should be the assoc_id for AP? */
2929 priv
->staging_rxon
.assoc_id
= cpu_to_le16(priv
->assoc_id
);
2930 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
)
2931 priv
->staging_rxon
.flags
|=
2932 RXON_FLG_SHORT_PREAMBLE_MSK
;
2934 priv
->staging_rxon
.flags
&=
2935 ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2937 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) {
2938 if (priv
->assoc_capability
&
2939 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
2940 priv
->staging_rxon
.flags
|=
2941 RXON_FLG_SHORT_SLOT_MSK
;
2943 priv
->staging_rxon
.flags
&=
2944 ~RXON_FLG_SHORT_SLOT_MSK
;
2946 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
2947 priv
->staging_rxon
.flags
&=
2948 ~RXON_FLG_SHORT_SLOT_MSK
;
2950 /* restore RXON assoc */
2951 priv
->staging_rxon
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2952 iwl4965_commit_rxon(priv
);
2953 spin_lock_irqsave(&priv
->lock
, flags
);
2954 iwl_activate_qos(priv
, 1);
2955 spin_unlock_irqrestore(&priv
->lock
, flags
);
2956 iwl_rxon_add_station(priv
, iwl_bcast_addr
, 0);
2958 iwl4965_send_beacon_cmd(priv
);
2960 /* FIXME - we need to add code here to detect a totally new
2961 * configuration, reset the AP, unassoc, rxon timing, assoc,
2962 * clear sta table, add BCAST sta... */
2966 static int iwl4965_mac_beacon_update(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
2968 static int iwl4965_mac_config_interface(struct ieee80211_hw
*hw
,
2969 struct ieee80211_vif
*vif
,
2970 struct ieee80211_if_conf
*conf
)
2972 struct iwl_priv
*priv
= hw
->priv
;
2973 DECLARE_MAC_BUF(mac
);
2974 unsigned long flags
;
2980 if (priv
->vif
!= vif
) {
2981 IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
2985 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
&&
2986 conf
->changed
& IEEE80211_IFCC_BEACON
) {
2987 struct sk_buff
*beacon
= ieee80211_beacon_get(hw
, vif
);
2990 rc
= iwl4965_mac_beacon_update(hw
, beacon
);
2995 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) &&
2996 (!conf
->ssid_len
)) {
2998 ("Leaving in AP mode because HostAPD is not ready.\n");
3002 if (!iwl_is_alive(priv
))
3005 mutex_lock(&priv
->mutex
);
3008 IWL_DEBUG_MAC80211("bssid: %s\n",
3009 print_mac(mac
, conf
->bssid
));
3012 * very dubious code was here; the probe filtering flag is never set:
3014 if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
3015 !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
3018 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) {
3020 conf
->bssid
= priv
->mac_addr
;
3021 memcpy(priv
->bssid
, priv
->mac_addr
, ETH_ALEN
);
3022 IWL_DEBUG_MAC80211("bssid was set to: %s\n",
3023 print_mac(mac
, conf
->bssid
));
3025 if (priv
->ibss_beacon
)
3026 dev_kfree_skb(priv
->ibss_beacon
);
3028 priv
->ibss_beacon
= ieee80211_beacon_get(hw
, vif
);
3031 if (iwl_is_rfkill(priv
))
3034 if (conf
->bssid
&& !is_zero_ether_addr(conf
->bssid
) &&
3035 !is_multicast_ether_addr(conf
->bssid
)) {
3036 /* If there is currently a HW scan going on in the background
3037 * then we need to cancel it else the RXON below will fail. */
3038 if (iwl_scan_cancel_timeout(priv
, 100)) {
3039 IWL_WARNING("Aborted scan still in progress "
3041 IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
3042 mutex_unlock(&priv
->mutex
);
3045 memcpy(priv
->staging_rxon
.bssid_addr
, conf
->bssid
, ETH_ALEN
);
3047 /* TODO: Audit driver for usage of these members and see
3048 * if mac80211 deprecates them (priv->bssid looks like it
3049 * shouldn't be there, but I haven't scanned the IBSS code
3050 * to verify) - jpk */
3051 memcpy(priv
->bssid
, conf
->bssid
, ETH_ALEN
);
3053 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
)
3054 iwl4965_config_ap(priv
);
3056 rc
= iwl4965_commit_rxon(priv
);
3057 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) && rc
)
3058 iwl_rxon_add_station(
3059 priv
, priv
->active_rxon
.bssid_addr
, 1);
3063 iwl_scan_cancel_timeout(priv
, 100);
3064 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3065 iwl4965_commit_rxon(priv
);
3069 spin_lock_irqsave(&priv
->lock
, flags
);
3070 if (!conf
->ssid_len
)
3071 memset(priv
->essid
, 0, IW_ESSID_MAX_SIZE
);
3073 memcpy(priv
->essid
, conf
->ssid
, conf
->ssid_len
);
3075 priv
->essid_len
= conf
->ssid_len
;
3076 spin_unlock_irqrestore(&priv
->lock
, flags
);
3078 IWL_DEBUG_MAC80211("leave\n");
3079 mutex_unlock(&priv
->mutex
);
3084 static void iwl4965_configure_filter(struct ieee80211_hw
*hw
,
3085 unsigned int changed_flags
,
3086 unsigned int *total_flags
,
3087 int mc_count
, struct dev_addr_list
*mc_list
)
3089 struct iwl_priv
*priv
= hw
->priv
;
3091 if (changed_flags
& (*total_flags
) & FIF_OTHER_BSS
) {
3092 IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n",
3093 IEEE80211_IF_TYPE_MNTR
,
3094 changed_flags
, *total_flags
);
3095 /* queue work 'cuz mac80211 is holding a lock which
3096 * prevents us from issuing (synchronous) f/w cmds */
3097 queue_work(priv
->workqueue
, &priv
->set_monitor
);
3099 *total_flags
&= FIF_OTHER_BSS
| FIF_ALLMULTI
|
3100 FIF_BCN_PRBRESP_PROMISC
| FIF_CONTROL
;
3103 static void iwl4965_mac_remove_interface(struct ieee80211_hw
*hw
,
3104 struct ieee80211_if_init_conf
*conf
)
3106 struct iwl_priv
*priv
= hw
->priv
;
3108 IWL_DEBUG_MAC80211("enter\n");
3110 mutex_lock(&priv
->mutex
);
3112 if (iwl_is_ready_rf(priv
)) {
3113 iwl_scan_cancel_timeout(priv
, 100);
3114 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3115 iwl4965_commit_rxon(priv
);
3117 if (priv
->vif
== conf
->vif
) {
3119 memset(priv
->bssid
, 0, ETH_ALEN
);
3120 memset(priv
->essid
, 0, IW_ESSID_MAX_SIZE
);
3121 priv
->essid_len
= 0;
3123 mutex_unlock(&priv
->mutex
);
3125 IWL_DEBUG_MAC80211("leave\n");
3129 #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
3130 static void iwl4965_bss_info_changed(struct ieee80211_hw
*hw
,
3131 struct ieee80211_vif
*vif
,
3132 struct ieee80211_bss_conf
*bss_conf
,
3135 struct iwl_priv
*priv
= hw
->priv
;
3137 IWL_DEBUG_MAC80211("changes = 0x%X\n", changes
);
3139 if (changes
& BSS_CHANGED_ERP_PREAMBLE
) {
3140 IWL_DEBUG_MAC80211("ERP_PREAMBLE %d\n",
3141 bss_conf
->use_short_preamble
);
3142 if (bss_conf
->use_short_preamble
)
3143 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
3145 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
3148 if (changes
& BSS_CHANGED_ERP_CTS_PROT
) {
3149 IWL_DEBUG_MAC80211("ERP_CTS %d\n", bss_conf
->use_cts_prot
);
3150 if (bss_conf
->use_cts_prot
&& (priv
->band
!= IEEE80211_BAND_5GHZ
))
3151 priv
->staging_rxon
.flags
|= RXON_FLG_TGG_PROTECT_MSK
;
3153 priv
->staging_rxon
.flags
&= ~RXON_FLG_TGG_PROTECT_MSK
;
3156 if (changes
& BSS_CHANGED_HT
) {
3157 IWL_DEBUG_MAC80211("HT %d\n", bss_conf
->assoc_ht
);
3158 iwl4965_ht_conf(priv
, bss_conf
);
3159 iwl_set_rxon_chain(priv
);
3162 if (changes
& BSS_CHANGED_ASSOC
) {
3163 IWL_DEBUG_MAC80211("ASSOC %d\n", bss_conf
->assoc
);
3164 /* This should never happen as this function should
3165 * never be called from interrupt context. */
3166 if (WARN_ON_ONCE(in_interrupt()))
3168 if (bss_conf
->assoc
) {
3169 priv
->assoc_id
= bss_conf
->aid
;
3170 priv
->beacon_int
= bss_conf
->beacon_int
;
3171 priv
->power_data
.dtim_period
= bss_conf
->dtim_period
;
3172 priv
->timestamp
= bss_conf
->timestamp
;
3173 priv
->assoc_capability
= bss_conf
->assoc_capability
;
3174 priv
->next_scan_jiffies
= jiffies
+
3175 IWL_DELAY_NEXT_SCAN_AFTER_ASSOC
;
3176 mutex_lock(&priv
->mutex
);
3177 iwl4965_post_associate(priv
);
3178 mutex_unlock(&priv
->mutex
);
3181 IWL_DEBUG_MAC80211("DISASSOC %d\n", bss_conf
->assoc
);
3183 } else if (changes
&& iwl_is_associated(priv
) && priv
->assoc_id
) {
3184 IWL_DEBUG_MAC80211("Associated Changes %d\n", changes
);
3185 iwl_send_rxon_assoc(priv
);
3190 static int iwl_mac_hw_scan(struct ieee80211_hw
*hw
, u8
*ssid
, size_t ssid_len
)
3193 unsigned long flags
;
3194 struct iwl_priv
*priv
= hw
->priv
;
3196 IWL_DEBUG_MAC80211("enter\n");
3198 mutex_lock(&priv
->mutex
);
3199 spin_lock_irqsave(&priv
->lock
, flags
);
3201 if (!iwl_is_ready_rf(priv
)) {
3203 IWL_DEBUG_MAC80211("leave - not ready or exit pending\n");
3207 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) { /* APs don't scan */
3209 IWL_ERROR("ERROR: APs don't scan\n");
3213 /* we don't schedule scan within next_scan_jiffies period */
3214 if (priv
->next_scan_jiffies
&&
3215 time_after(priv
->next_scan_jiffies
, jiffies
)) {
3216 IWL_DEBUG_SCAN("scan rejected: within next scan period\n");
3220 /* if we just finished scan ask for delay */
3221 if (iwl_is_associated(priv
) && priv
->last_scan_jiffies
&&
3222 time_after(priv
->last_scan_jiffies
+ IWL_DELAY_NEXT_SCAN
, jiffies
)) {
3223 IWL_DEBUG_SCAN("scan rejected: within previous scan period\n");
3228 priv
->one_direct_scan
= 1;
3229 priv
->direct_ssid_len
= min_t(u8
, ssid_len
, IW_ESSID_MAX_SIZE
);
3230 memcpy(priv
->direct_ssid
, ssid
, priv
->direct_ssid_len
);
3232 priv
->one_direct_scan
= 0;
3235 ret
= iwl_scan_initiate(priv
);
3237 IWL_DEBUG_MAC80211("leave\n");
3240 spin_unlock_irqrestore(&priv
->lock
, flags
);
3241 mutex_unlock(&priv
->mutex
);
3246 static void iwl4965_mac_update_tkip_key(struct ieee80211_hw
*hw
,
3247 struct ieee80211_key_conf
*keyconf
, const u8
*addr
,
3248 u32 iv32
, u16
*phase1key
)
3250 struct iwl_priv
*priv
= hw
->priv
;
3251 u8 sta_id
= IWL_INVALID_STATION
;
3252 unsigned long flags
;
3253 __le16 key_flags
= 0;
3255 DECLARE_MAC_BUF(mac
);
3257 IWL_DEBUG_MAC80211("enter\n");
3259 sta_id
= iwl_find_station(priv
, addr
);
3260 if (sta_id
== IWL_INVALID_STATION
) {
3261 IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
3262 print_mac(mac
, addr
));
3266 iwl_scan_cancel_timeout(priv
, 100);
3268 key_flags
|= (STA_KEY_FLG_TKIP
| STA_KEY_FLG_MAP_KEY_MSK
);
3269 key_flags
|= cpu_to_le16(keyconf
->keyidx
<< STA_KEY_FLG_KEYID_POS
);
3270 key_flags
&= ~STA_KEY_FLG_INVALID
;
3272 if (sta_id
== priv
->hw_params
.bcast_sta_id
)
3273 key_flags
|= STA_KEY_MULTICAST_MSK
;
3275 spin_lock_irqsave(&priv
->sta_lock
, flags
);
3277 priv
->stations
[sta_id
].sta
.key
.key_flags
= key_flags
;
3278 priv
->stations
[sta_id
].sta
.key
.tkip_rx_tsc_byte2
= (u8
) iv32
;
3280 for (i
= 0; i
< 5; i
++)
3281 priv
->stations
[sta_id
].sta
.key
.tkip_rx_ttak
[i
] =
3282 cpu_to_le16(phase1key
[i
]);
3284 priv
->stations
[sta_id
].sta
.sta
.modify_mask
= STA_MODIFY_KEY_MASK
;
3285 priv
->stations
[sta_id
].sta
.mode
= STA_CONTROL_MODIFY_MSK
;
3287 iwl_send_add_sta(priv
, &priv
->stations
[sta_id
].sta
, CMD_ASYNC
);
3289 spin_unlock_irqrestore(&priv
->sta_lock
, flags
);
3291 IWL_DEBUG_MAC80211("leave\n");
3294 static int iwl4965_mac_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
3295 const u8
*local_addr
, const u8
*addr
,
3296 struct ieee80211_key_conf
*key
)
3298 struct iwl_priv
*priv
= hw
->priv
;
3299 DECLARE_MAC_BUF(mac
);
3301 u8 sta_id
= IWL_INVALID_STATION
;
3302 u8 is_default_wep_key
= 0;
3304 IWL_DEBUG_MAC80211("enter\n");
3306 if (priv
->hw_params
.sw_crypto
) {
3307 IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n");
3311 if (is_zero_ether_addr(addr
))
3312 /* only support pairwise keys */
3315 sta_id
= iwl_find_station(priv
, addr
);
3316 if (sta_id
== IWL_INVALID_STATION
) {
3317 IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
3318 print_mac(mac
, addr
));
3323 mutex_lock(&priv
->mutex
);
3324 iwl_scan_cancel_timeout(priv
, 100);
3325 mutex_unlock(&priv
->mutex
);
3327 /* If we are getting WEP group key and we didn't receive any key mapping
3328 * so far, we are in legacy wep mode (group key only), otherwise we are
3330 * In legacy wep mode, we use another host command to the uCode */
3331 if (key
->alg
== ALG_WEP
&& sta_id
== priv
->hw_params
.bcast_sta_id
&&
3332 priv
->iw_mode
!= IEEE80211_IF_TYPE_AP
) {
3334 is_default_wep_key
= !priv
->key_mapping_key
;
3336 is_default_wep_key
=
3337 (key
->hw_key_idx
== HW_KEY_DEFAULT
);
3342 if (is_default_wep_key
)
3343 ret
= iwl_set_default_wep_key(priv
, key
);
3345 ret
= iwl_set_dynamic_key(priv
, key
, sta_id
);
3347 IWL_DEBUG_MAC80211("enable hwcrypto key\n");
3350 if (is_default_wep_key
)
3351 ret
= iwl_remove_default_wep_key(priv
, key
);
3353 ret
= iwl_remove_dynamic_key(priv
, key
, sta_id
);
3355 IWL_DEBUG_MAC80211("disable hwcrypto key\n");
3361 IWL_DEBUG_MAC80211("leave\n");
3366 static int iwl4965_mac_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
3367 const struct ieee80211_tx_queue_params
*params
)
3369 struct iwl_priv
*priv
= hw
->priv
;
3370 unsigned long flags
;
3373 IWL_DEBUG_MAC80211("enter\n");
3375 if (!iwl_is_ready_rf(priv
)) {
3376 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3380 if (queue
>= AC_NUM
) {
3381 IWL_DEBUG_MAC80211("leave - queue >= AC_NUM %d\n", queue
);
3385 if (!priv
->qos_data
.qos_enable
) {
3386 priv
->qos_data
.qos_active
= 0;
3387 IWL_DEBUG_MAC80211("leave - qos not enabled\n");
3390 q
= AC_NUM
- 1 - queue
;
3392 spin_lock_irqsave(&priv
->lock
, flags
);
3394 priv
->qos_data
.def_qos_parm
.ac
[q
].cw_min
= cpu_to_le16(params
->cw_min
);
3395 priv
->qos_data
.def_qos_parm
.ac
[q
].cw_max
= cpu_to_le16(params
->cw_max
);
3396 priv
->qos_data
.def_qos_parm
.ac
[q
].aifsn
= params
->aifs
;
3397 priv
->qos_data
.def_qos_parm
.ac
[q
].edca_txop
=
3398 cpu_to_le16((params
->txop
* 32));
3400 priv
->qos_data
.def_qos_parm
.ac
[q
].reserved1
= 0;
3401 priv
->qos_data
.qos_active
= 1;
3403 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
)
3404 iwl_activate_qos(priv
, 1);
3405 else if (priv
->assoc_id
&& iwl_is_associated(priv
))
3406 iwl_activate_qos(priv
, 0);
3408 spin_unlock_irqrestore(&priv
->lock
, flags
);
3410 IWL_DEBUG_MAC80211("leave\n");
3414 static int iwl4965_mac_ampdu_action(struct ieee80211_hw
*hw
,
3415 enum ieee80211_ampdu_mlme_action action
,
3416 const u8
*addr
, u16 tid
, u16
*ssn
)
3418 struct iwl_priv
*priv
= hw
->priv
;
3419 DECLARE_MAC_BUF(mac
);
3421 IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
3422 print_mac(mac
, addr
), tid
);
3424 if (!(priv
->cfg
->sku
& IWL_SKU_N
))
3428 case IEEE80211_AMPDU_RX_START
:
3429 IWL_DEBUG_HT("start Rx\n");
3430 return iwl_rx_agg_start(priv
, addr
, tid
, *ssn
);
3431 case IEEE80211_AMPDU_RX_STOP
:
3432 IWL_DEBUG_HT("stop Rx\n");
3433 return iwl_rx_agg_stop(priv
, addr
, tid
);
3434 case IEEE80211_AMPDU_TX_START
:
3435 IWL_DEBUG_HT("start Tx\n");
3436 return iwl_tx_agg_start(priv
, addr
, tid
, ssn
);
3437 case IEEE80211_AMPDU_TX_STOP
:
3438 IWL_DEBUG_HT("stop Tx\n");
3439 return iwl_tx_agg_stop(priv
, addr
, tid
);
3441 IWL_DEBUG_HT("unknown\n");
3447 static int iwl4965_mac_get_tx_stats(struct ieee80211_hw
*hw
,
3448 struct ieee80211_tx_queue_stats
*stats
)
3450 struct iwl_priv
*priv
= hw
->priv
;
3452 struct iwl_tx_queue
*txq
;
3453 struct iwl_queue
*q
;
3454 unsigned long flags
;
3456 IWL_DEBUG_MAC80211("enter\n");
3458 if (!iwl_is_ready_rf(priv
)) {
3459 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3463 spin_lock_irqsave(&priv
->lock
, flags
);
3465 for (i
= 0; i
< AC_NUM
; i
++) {
3466 txq
= &priv
->txq
[i
];
3468 avail
= iwl_queue_space(q
);
3470 stats
[i
].len
= q
->n_window
- avail
;
3471 stats
[i
].limit
= q
->n_window
- q
->high_mark
;
3472 stats
[i
].count
= q
->n_window
;
3475 spin_unlock_irqrestore(&priv
->lock
, flags
);
3477 IWL_DEBUG_MAC80211("leave\n");
3482 static int iwl4965_mac_get_stats(struct ieee80211_hw
*hw
,
3483 struct ieee80211_low_level_stats
*stats
)
3485 struct iwl_priv
*priv
= hw
->priv
;
3488 IWL_DEBUG_MAC80211("enter\n");
3489 IWL_DEBUG_MAC80211("leave\n");
3494 static void iwl4965_mac_reset_tsf(struct ieee80211_hw
*hw
)
3496 struct iwl_priv
*priv
= hw
->priv
;
3497 unsigned long flags
;
3499 mutex_lock(&priv
->mutex
);
3500 IWL_DEBUG_MAC80211("enter\n");
3502 spin_lock_irqsave(&priv
->lock
, flags
);
3503 memset(&priv
->current_ht_config
, 0, sizeof(struct iwl_ht_info
));
3504 spin_unlock_irqrestore(&priv
->lock
, flags
);
3506 iwl_reset_qos(priv
);
3508 spin_lock_irqsave(&priv
->lock
, flags
);
3510 priv
->assoc_capability
= 0;
3511 priv
->assoc_station_added
= 0;
3513 /* new association get rid of ibss beacon skb */
3514 if (priv
->ibss_beacon
)
3515 dev_kfree_skb(priv
->ibss_beacon
);
3517 priv
->ibss_beacon
= NULL
;
3519 priv
->beacon_int
= priv
->hw
->conf
.beacon_int
;
3520 priv
->timestamp
= 0;
3521 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_STA
))
3522 priv
->beacon_int
= 0;
3524 spin_unlock_irqrestore(&priv
->lock
, flags
);
3526 if (!iwl_is_ready_rf(priv
)) {
3527 IWL_DEBUG_MAC80211("leave - not ready\n");
3528 mutex_unlock(&priv
->mutex
);
3532 /* we are restarting association process
3533 * clear RXON_FILTER_ASSOC_MSK bit
3535 if (priv
->iw_mode
!= IEEE80211_IF_TYPE_AP
) {
3536 iwl_scan_cancel_timeout(priv
, 100);
3537 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3538 iwl4965_commit_rxon(priv
);
3541 iwl_power_update_mode(priv
, 0);
3543 /* Per mac80211.h: This is only used in IBSS mode... */
3544 if (priv
->iw_mode
!= IEEE80211_IF_TYPE_IBSS
) {
3546 /* switch to CAM during association period.
3547 * the ucode will block any association/authentication
3548 * frome during assiciation period if it can not hear
3549 * the AP because of PM. the timer enable PM back is
3550 * association do not complete
3552 if (priv
->hw
->conf
.channel
->flags
& (IEEE80211_CHAN_PASSIVE_SCAN
|
3553 IEEE80211_CHAN_RADAR
))
3554 iwl_power_disable_management(priv
, 3000);
3556 IWL_DEBUG_MAC80211("leave - not in IBSS\n");
3557 mutex_unlock(&priv
->mutex
);
3561 iwl4965_set_rate(priv
);
3563 mutex_unlock(&priv
->mutex
);
3565 IWL_DEBUG_MAC80211("leave\n");
3568 static int iwl4965_mac_beacon_update(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
3570 struct iwl_priv
*priv
= hw
->priv
;
3571 unsigned long flags
;
3574 mutex_lock(&priv
->mutex
);
3575 IWL_DEBUG_MAC80211("enter\n");
3577 if (!iwl_is_ready_rf(priv
)) {
3578 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3579 mutex_unlock(&priv
->mutex
);
3583 if (priv
->iw_mode
!= IEEE80211_IF_TYPE_IBSS
) {
3584 IWL_DEBUG_MAC80211("leave - not IBSS\n");
3585 mutex_unlock(&priv
->mutex
);
3589 spin_lock_irqsave(&priv
->lock
, flags
);
3591 if (priv
->ibss_beacon
)
3592 dev_kfree_skb(priv
->ibss_beacon
);
3594 priv
->ibss_beacon
= skb
;
3597 timestamp
= ((struct ieee80211_mgmt
*)skb
->data
)->u
.beacon
.timestamp
;
3598 priv
->timestamp
= le64_to_cpu(timestamp
);
3600 IWL_DEBUG_MAC80211("leave\n");
3601 spin_unlock_irqrestore(&priv
->lock
, flags
);
3603 iwl_reset_qos(priv
);
3605 iwl4965_post_associate(priv
);
3607 mutex_unlock(&priv
->mutex
);
3612 /*****************************************************************************
3616 *****************************************************************************/
3618 #ifdef CONFIG_IWLWIFI_DEBUG
3621 * The following adds a new attribute to the sysfs representation
3622 * of this device driver (i.e. a new file in /sys/bus/pci/drivers/iwl/)
3623 * used for controlling the debug level.
3625 * See the level definitions in iwl for details.
3628 static ssize_t
show_debug_level(struct device
*d
,
3629 struct device_attribute
*attr
, char *buf
)
3631 struct iwl_priv
*priv
= d
->driver_data
;
3633 return sprintf(buf
, "0x%08X\n", priv
->debug_level
);
3635 static ssize_t
store_debug_level(struct device
*d
,
3636 struct device_attribute
*attr
,
3637 const char *buf
, size_t count
)
3639 struct iwl_priv
*priv
= d
->driver_data
;
3643 ret
= strict_strtoul(buf
, 0, &val
);
3645 printk(KERN_INFO DRV_NAME
3646 ": %s is not in hex or decimal form.\n", buf
);
3648 priv
->debug_level
= val
;
3650 return strnlen(buf
, count
);
3653 static DEVICE_ATTR(debug_level
, S_IWUSR
| S_IRUGO
,
3654 show_debug_level
, store_debug_level
);
3657 #endif /* CONFIG_IWLWIFI_DEBUG */
3660 static ssize_t
show_version(struct device
*d
,
3661 struct device_attribute
*attr
, char *buf
)
3663 struct iwl_priv
*priv
= d
->driver_data
;
3664 struct iwl_alive_resp
*palive
= &priv
->card_alive
;
3668 if (palive
->is_valid
)
3669 pos
+= sprintf(buf
+ pos
,
3670 "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n"
3671 "fw type: 0x%01X 0x%01X\n",
3672 palive
->ucode_major
, palive
->ucode_minor
,
3673 palive
->sw_rev
[0], palive
->sw_rev
[1],
3674 palive
->ver_type
, palive
->ver_subtype
);
3676 pos
+= sprintf(buf
+ pos
, "fw not loaded\n");
3679 eeprom_ver
= iwl_eeprom_query16(priv
, EEPROM_VERSION
);
3680 pos
+= sprintf(buf
+ pos
, "EEPROM version: 0x%x\n",
3683 pos
+= sprintf(buf
+ pos
, "EEPROM not initialzed\n");
3689 static DEVICE_ATTR(version
, S_IWUSR
| S_IRUGO
, show_version
, NULL
);
3691 static ssize_t
show_temperature(struct device
*d
,
3692 struct device_attribute
*attr
, char *buf
)
3694 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3696 if (!iwl_is_alive(priv
))
3699 return sprintf(buf
, "%d\n", priv
->temperature
);
3702 static DEVICE_ATTR(temperature
, S_IRUGO
, show_temperature
, NULL
);
3704 static ssize_t
show_tx_power(struct device
*d
,
3705 struct device_attribute
*attr
, char *buf
)
3707 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3708 return sprintf(buf
, "%d\n", priv
->tx_power_user_lmt
);
3711 static ssize_t
store_tx_power(struct device
*d
,
3712 struct device_attribute
*attr
,
3713 const char *buf
, size_t count
)
3715 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3719 ret
= strict_strtoul(buf
, 10, &val
);
3721 printk(KERN_INFO DRV_NAME
3722 ": %s is not in decimal form.\n", buf
);
3724 iwl_set_tx_power(priv
, val
, false);
3729 static DEVICE_ATTR(tx_power
, S_IWUSR
| S_IRUGO
, show_tx_power
, store_tx_power
);
3731 static ssize_t
show_flags(struct device
*d
,
3732 struct device_attribute
*attr
, char *buf
)
3734 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3736 return sprintf(buf
, "0x%04X\n", priv
->active_rxon
.flags
);
3739 static ssize_t
store_flags(struct device
*d
,
3740 struct device_attribute
*attr
,
3741 const char *buf
, size_t count
)
3743 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3746 int ret
= strict_strtoul(buf
, 0, &val
);
3751 mutex_lock(&priv
->mutex
);
3752 if (le32_to_cpu(priv
->staging_rxon
.flags
) != flags
) {
3753 /* Cancel any currently running scans... */
3754 if (iwl_scan_cancel_timeout(priv
, 100))
3755 IWL_WARNING("Could not cancel scan.\n");
3757 IWL_DEBUG_INFO("Commit rxon.flags = 0x%04X\n", flags
);
3758 priv
->staging_rxon
.flags
= cpu_to_le32(flags
);
3759 iwl4965_commit_rxon(priv
);
3762 mutex_unlock(&priv
->mutex
);
3767 static DEVICE_ATTR(flags
, S_IWUSR
| S_IRUGO
, show_flags
, store_flags
);
3769 static ssize_t
show_filter_flags(struct device
*d
,
3770 struct device_attribute
*attr
, char *buf
)
3772 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3774 return sprintf(buf
, "0x%04X\n",
3775 le32_to_cpu(priv
->active_rxon
.filter_flags
));
3778 static ssize_t
store_filter_flags(struct device
*d
,
3779 struct device_attribute
*attr
,
3780 const char *buf
, size_t count
)
3782 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3785 int ret
= strict_strtoul(buf
, 0, &val
);
3788 filter_flags
= (u32
)val
;
3790 mutex_lock(&priv
->mutex
);
3791 if (le32_to_cpu(priv
->staging_rxon
.filter_flags
) != filter_flags
) {
3792 /* Cancel any currently running scans... */
3793 if (iwl_scan_cancel_timeout(priv
, 100))
3794 IWL_WARNING("Could not cancel scan.\n");
3796 IWL_DEBUG_INFO("Committing rxon.filter_flags = "
3797 "0x%04X\n", filter_flags
);
3798 priv
->staging_rxon
.filter_flags
=
3799 cpu_to_le32(filter_flags
);
3800 iwl4965_commit_rxon(priv
);
3803 mutex_unlock(&priv
->mutex
);
3808 static DEVICE_ATTR(filter_flags
, S_IWUSR
| S_IRUGO
, show_filter_flags
,
3809 store_filter_flags
);
3811 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
3813 static ssize_t
show_measurement(struct device
*d
,
3814 struct device_attribute
*attr
, char *buf
)
3816 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3817 struct iwl4965_spectrum_notification measure_report
;
3818 u32 size
= sizeof(measure_report
), len
= 0, ofs
= 0;
3819 u8
*data
= (u8
*)&measure_report
;
3820 unsigned long flags
;
3822 spin_lock_irqsave(&priv
->lock
, flags
);
3823 if (!(priv
->measurement_status
& MEASUREMENT_READY
)) {
3824 spin_unlock_irqrestore(&priv
->lock
, flags
);
3827 memcpy(&measure_report
, &priv
->measure_report
, size
);
3828 priv
->measurement_status
= 0;
3829 spin_unlock_irqrestore(&priv
->lock
, flags
);
3831 while (size
&& (PAGE_SIZE
- len
)) {
3832 hex_dump_to_buffer(data
+ ofs
, size
, 16, 1, buf
+ len
,
3833 PAGE_SIZE
- len
, 1);
3835 if (PAGE_SIZE
- len
)
3839 size
-= min(size
, 16U);
3845 static ssize_t
store_measurement(struct device
*d
,
3846 struct device_attribute
*attr
,
3847 const char *buf
, size_t count
)
3849 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3850 struct ieee80211_measurement_params params
= {
3851 .channel
= le16_to_cpu(priv
->active_rxon
.channel
),
3852 .start_time
= cpu_to_le64(priv
->last_tsf
),
3853 .duration
= cpu_to_le16(1),
3855 u8 type
= IWL_MEASURE_BASIC
;
3861 strncpy(buffer
, buf
, min(sizeof(buffer
), count
));
3862 channel
= simple_strtoul(p
, NULL
, 0);
3864 params
.channel
= channel
;
3867 while (*p
&& *p
!= ' ')
3870 type
= simple_strtoul(p
+ 1, NULL
, 0);
3873 IWL_DEBUG_INFO("Invoking measurement of type %d on "
3874 "channel %d (for '%s')\n", type
, params
.channel
, buf
);
3875 iwl4965_get_measurement(priv
, ¶ms
, type
);
3880 static DEVICE_ATTR(measurement
, S_IRUSR
| S_IWUSR
,
3881 show_measurement
, store_measurement
);
3882 #endif /* CONFIG_IWLAGN_SPECTRUM_MEASUREMENT */
3884 static ssize_t
store_retry_rate(struct device
*d
,
3885 struct device_attribute
*attr
,
3886 const char *buf
, size_t count
)
3888 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3890 int ret
= strict_strtol(buf
, 10, &val
);
3894 priv
->retry_rate
= (val
> 0) ? val
: 1;
3899 static ssize_t
show_retry_rate(struct device
*d
,
3900 struct device_attribute
*attr
, char *buf
)
3902 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3903 return sprintf(buf
, "%d", priv
->retry_rate
);
3906 static DEVICE_ATTR(retry_rate
, S_IWUSR
| S_IRUSR
, show_retry_rate
,
3909 static ssize_t
store_power_level(struct device
*d
,
3910 struct device_attribute
*attr
,
3911 const char *buf
, size_t count
)
3913 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3918 mutex_lock(&priv
->mutex
);
3920 if (!iwl_is_ready(priv
)) {
3925 ret
= strict_strtoul(buf
, 10, &mode
);
3929 ret
= iwl_power_set_user_mode(priv
, mode
);
3931 IWL_DEBUG_MAC80211("failed setting power mode.\n");
3937 mutex_unlock(&priv
->mutex
);
3941 static ssize_t
show_power_level(struct device
*d
,
3942 struct device_attribute
*attr
, char *buf
)
3944 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3945 int mode
= priv
->power_data
.user_power_setting
;
3946 int system
= priv
->power_data
.system_power_setting
;
3947 int level
= priv
->power_data
.power_mode
;
3951 case IWL_POWER_SYS_AUTO
:
3952 p
+= sprintf(p
, "SYSTEM:auto");
3954 case IWL_POWER_SYS_AC
:
3955 p
+= sprintf(p
, "SYSTEM:ac");
3957 case IWL_POWER_SYS_BATTERY
:
3958 p
+= sprintf(p
, "SYSTEM:battery");
3962 p
+= sprintf(p
, "\tMODE:%s", (mode
< IWL_POWER_AUTO
)?"fixed":"auto");
3963 p
+= sprintf(p
, "\tINDEX:%d", level
);
3964 p
+= sprintf(p
, "\n");
3968 static DEVICE_ATTR(power_level
, S_IWUSR
| S_IRUSR
, show_power_level
,
3971 static ssize_t
show_channels(struct device
*d
,
3972 struct device_attribute
*attr
, char *buf
)
3975 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3976 struct ieee80211_channel
*channels
= NULL
;
3977 const struct ieee80211_supported_band
*supp_band
= NULL
;
3981 if (!test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
))
3984 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_2GHZ
);
3985 channels
= supp_band
->channels
;
3986 count
= supp_band
->n_channels
;
3988 len
+= sprintf(&buf
[len
],
3989 "Displaying %d channels in 2.4GHz band "
3990 "(802.11bg):\n", count
);
3992 for (i
= 0; i
< count
; i
++)
3993 len
+= sprintf(&buf
[len
], "%d: %ddBm: BSS%s%s, %s.\n",
3994 ieee80211_frequency_to_channel(
3995 channels
[i
].center_freq
),
3996 channels
[i
].max_power
,
3997 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
3998 " (IEEE 802.11h required)" : "",
3999 (!(channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
4000 || (channels
[i
].flags
&
4001 IEEE80211_CHAN_RADAR
)) ? "" :
4004 IEEE80211_CHAN_PASSIVE_SCAN
?
4005 "passive only" : "active/passive");
4007 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_5GHZ
);
4008 channels
= supp_band
->channels
;
4009 count
= supp_band
->n_channels
;
4011 len
+= sprintf(&buf
[len
], "Displaying %d channels in 5.2GHz band "
4012 "(802.11a):\n", count
);
4014 for (i
= 0; i
< count
; i
++)
4015 len
+= sprintf(&buf
[len
], "%d: %ddBm: BSS%s%s, %s.\n",
4016 ieee80211_frequency_to_channel(
4017 channels
[i
].center_freq
),
4018 channels
[i
].max_power
,
4019 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
4020 " (IEEE 802.11h required)" : "",
4021 ((channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
4022 || (channels
[i
].flags
&
4023 IEEE80211_CHAN_RADAR
)) ? "" :
4026 IEEE80211_CHAN_PASSIVE_SCAN
?
4027 "passive only" : "active/passive");
4032 static DEVICE_ATTR(channels
, S_IRUSR
, show_channels
, NULL
);
4034 static ssize_t
show_statistics(struct device
*d
,
4035 struct device_attribute
*attr
, char *buf
)
4037 struct iwl_priv
*priv
= dev_get_drvdata(d
);
4038 u32 size
= sizeof(struct iwl_notif_statistics
);
4039 u32 len
= 0, ofs
= 0;
4040 u8
*data
= (u8
*)&priv
->statistics
;
4043 if (!iwl_is_alive(priv
))
4046 mutex_lock(&priv
->mutex
);
4047 rc
= iwl_send_statistics_request(priv
, 0);
4048 mutex_unlock(&priv
->mutex
);
4052 "Error sending statistics request: 0x%08X\n", rc
);
4056 while (size
&& (PAGE_SIZE
- len
)) {
4057 hex_dump_to_buffer(data
+ ofs
, size
, 16, 1, buf
+ len
,
4058 PAGE_SIZE
- len
, 1);
4060 if (PAGE_SIZE
- len
)
4064 size
-= min(size
, 16U);
4070 static DEVICE_ATTR(statistics
, S_IRUGO
, show_statistics
, NULL
);
4072 static ssize_t
show_status(struct device
*d
,
4073 struct device_attribute
*attr
, char *buf
)
4075 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
4076 if (!iwl_is_alive(priv
))
4078 return sprintf(buf
, "0x%08x\n", (int)priv
->status
);
4081 static DEVICE_ATTR(status
, S_IRUGO
, show_status
, NULL
);
4083 /*****************************************************************************
4085 * driver setup and teardown
4087 *****************************************************************************/
4089 static void iwl_setup_deferred_work(struct iwl_priv
*priv
)
4091 priv
->workqueue
= create_workqueue(DRV_NAME
);
4093 init_waitqueue_head(&priv
->wait_command_queue
);
4095 INIT_WORK(&priv
->up
, iwl4965_bg_up
);
4096 INIT_WORK(&priv
->restart
, iwl4965_bg_restart
);
4097 INIT_WORK(&priv
->rx_replenish
, iwl4965_bg_rx_replenish
);
4098 INIT_WORK(&priv
->rf_kill
, iwl4965_bg_rf_kill
);
4099 INIT_WORK(&priv
->beacon_update
, iwl4965_bg_beacon_update
);
4100 INIT_WORK(&priv
->set_monitor
, iwl4965_bg_set_monitor
);
4101 INIT_WORK(&priv
->run_time_calib_work
, iwl_bg_run_time_calib_work
);
4102 INIT_DELAYED_WORK(&priv
->init_alive_start
, iwl_bg_init_alive_start
);
4103 INIT_DELAYED_WORK(&priv
->alive_start
, iwl_bg_alive_start
);
4105 /* FIXME : remove when resolved PENDING */
4106 INIT_WORK(&priv
->scan_completed
, iwl_bg_scan_completed
);
4107 iwl_setup_scan_deferred_work(priv
);
4108 iwl_setup_power_deferred_work(priv
);
4110 if (priv
->cfg
->ops
->lib
->setup_deferred_work
)
4111 priv
->cfg
->ops
->lib
->setup_deferred_work(priv
);
4113 init_timer(&priv
->statistics_periodic
);
4114 priv
->statistics_periodic
.data
= (unsigned long)priv
;
4115 priv
->statistics_periodic
.function
= iwl4965_bg_statistics_periodic
;
4117 tasklet_init(&priv
->irq_tasklet
, (void (*)(unsigned long))
4118 iwl4965_irq_tasklet
, (unsigned long)priv
);
4121 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
)
4123 if (priv
->cfg
->ops
->lib
->cancel_deferred_work
)
4124 priv
->cfg
->ops
->lib
->cancel_deferred_work(priv
);
4126 cancel_delayed_work_sync(&priv
->init_alive_start
);
4127 cancel_delayed_work(&priv
->scan_check
);
4128 cancel_delayed_work_sync(&priv
->set_power_save
);
4129 cancel_delayed_work(&priv
->alive_start
);
4130 cancel_work_sync(&priv
->beacon_update
);
4131 del_timer_sync(&priv
->statistics_periodic
);
4134 static struct attribute
*iwl4965_sysfs_entries
[] = {
4135 &dev_attr_channels
.attr
,
4136 &dev_attr_flags
.attr
,
4137 &dev_attr_filter_flags
.attr
,
4138 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
4139 &dev_attr_measurement
.attr
,
4141 &dev_attr_power_level
.attr
,
4142 &dev_attr_retry_rate
.attr
,
4143 &dev_attr_statistics
.attr
,
4144 &dev_attr_status
.attr
,
4145 &dev_attr_temperature
.attr
,
4146 &dev_attr_tx_power
.attr
,
4147 #ifdef CONFIG_IWLWIFI_DEBUG
4148 &dev_attr_debug_level
.attr
,
4150 &dev_attr_version
.attr
,
4155 static struct attribute_group iwl4965_attribute_group
= {
4156 .name
= NULL
, /* put in device directory */
4157 .attrs
= iwl4965_sysfs_entries
,
4160 static struct ieee80211_ops iwl4965_hw_ops
= {
4161 .tx
= iwl4965_mac_tx
,
4162 .start
= iwl4965_mac_start
,
4163 .stop
= iwl4965_mac_stop
,
4164 .add_interface
= iwl4965_mac_add_interface
,
4165 .remove_interface
= iwl4965_mac_remove_interface
,
4166 .config
= iwl4965_mac_config
,
4167 .config_interface
= iwl4965_mac_config_interface
,
4168 .configure_filter
= iwl4965_configure_filter
,
4169 .set_key
= iwl4965_mac_set_key
,
4170 .update_tkip_key
= iwl4965_mac_update_tkip_key
,
4171 .get_stats
= iwl4965_mac_get_stats
,
4172 .get_tx_stats
= iwl4965_mac_get_tx_stats
,
4173 .conf_tx
= iwl4965_mac_conf_tx
,
4174 .reset_tsf
= iwl4965_mac_reset_tsf
,
4175 .bss_info_changed
= iwl4965_bss_info_changed
,
4176 .ampdu_action
= iwl4965_mac_ampdu_action
,
4177 .hw_scan
= iwl_mac_hw_scan
4180 static int iwl4965_pci_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
4183 struct iwl_priv
*priv
;
4184 struct ieee80211_hw
*hw
;
4185 struct iwl_cfg
*cfg
= (struct iwl_cfg
*)(ent
->driver_data
);
4186 unsigned long flags
;
4187 DECLARE_MAC_BUF(mac
);
4189 /************************
4190 * 1. Allocating HW data
4191 ************************/
4193 /* Disabling hardware scan means that mac80211 will perform scans
4194 * "the hard way", rather than using device's scan. */
4195 if (cfg
->mod_params
->disable_hw_scan
) {
4196 if (cfg
->mod_params
->debug
& IWL_DL_INFO
)
4197 dev_printk(KERN_DEBUG
, &(pdev
->dev
),
4198 "Disabling hw_scan\n");
4199 iwl4965_hw_ops
.hw_scan
= NULL
;
4202 hw
= iwl_alloc_all(cfg
, &iwl4965_hw_ops
);
4208 /* At this point both hw and priv are allocated. */
4210 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
4212 IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
4214 priv
->pci_dev
= pdev
;
4216 #ifdef CONFIG_IWLWIFI_DEBUG
4217 priv
->debug_level
= priv
->cfg
->mod_params
->debug
;
4218 atomic_set(&priv
->restrict_refcnt
, 0);
4221 /**************************
4222 * 2. Initializing PCI bus
4223 **************************/
4224 if (pci_enable_device(pdev
)) {
4226 goto out_ieee80211_free_hw
;
4229 pci_set_master(pdev
);
4231 err
= pci_set_dma_mask(pdev
, DMA_64BIT_MASK
);
4233 err
= pci_set_consistent_dma_mask(pdev
, DMA_64BIT_MASK
);
4235 err
= pci_set_dma_mask(pdev
, DMA_32BIT_MASK
);
4237 err
= pci_set_consistent_dma_mask(pdev
, DMA_32BIT_MASK
);
4238 /* both attempts failed: */
4240 printk(KERN_WARNING
"%s: No suitable DMA available.\n",
4242 goto out_pci_disable_device
;
4246 err
= pci_request_regions(pdev
, DRV_NAME
);
4248 goto out_pci_disable_device
;
4250 pci_set_drvdata(pdev
, priv
);
4253 /***********************
4254 * 3. Read REV register
4255 ***********************/
4256 priv
->hw_base
= pci_iomap(pdev
, 0, 0);
4257 if (!priv
->hw_base
) {
4259 goto out_pci_release_regions
;
4262 IWL_DEBUG_INFO("pci_resource_len = 0x%08llx\n",
4263 (unsigned long long) pci_resource_len(pdev
, 0));
4264 IWL_DEBUG_INFO("pci_resource_base = %p\n", priv
->hw_base
);
4266 iwl_hw_detect(priv
);
4267 printk(KERN_INFO DRV_NAME
4268 ": Detected Intel Wireless WiFi Link %s REV=0x%X\n",
4269 priv
->cfg
->name
, priv
->hw_rev
);
4271 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4272 * PCI Tx retries from interfering with C3 CPU state */
4273 pci_write_config_byte(pdev
, PCI_CFG_RETRY_TIMEOUT
, 0x00);
4276 err
= priv
->cfg
->ops
->lib
->apm_ops
.init(priv
);
4278 IWL_DEBUG_INFO("Failed to init APMG\n");
4284 /* Read the EEPROM */
4285 err
= iwl_eeprom_init(priv
);
4287 IWL_ERROR("Unable to init EEPROM\n");
4290 err
= iwl_eeprom_check_version(priv
);
4294 /* extract MAC Address */
4295 iwl_eeprom_get_mac(priv
, priv
->mac_addr
);
4296 IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac
, priv
->mac_addr
));
4297 SET_IEEE80211_PERM_ADDR(priv
->hw
, priv
->mac_addr
);
4299 /************************
4300 * 5. Setup HW constants
4301 ************************/
4302 if (iwl_set_hw_params(priv
)) {
4303 IWL_ERROR("failed to set hw parameters\n");
4304 goto out_free_eeprom
;
4307 /*******************
4309 *******************/
4311 err
= iwl_init_drv(priv
);
4313 goto out_free_eeprom
;
4314 /* At this point both hw and priv are initialized. */
4316 /**********************************
4317 * 7. Initialize module parameters
4318 **********************************/
4320 /* Disable radio (SW RF KILL) via parameter when loading driver */
4321 if (priv
->cfg
->mod_params
->disable
) {
4322 set_bit(STATUS_RF_KILL_SW
, &priv
->status
);
4323 IWL_DEBUG_INFO("Radio disabled.\n");
4326 /********************
4328 ********************/
4329 spin_lock_irqsave(&priv
->lock
, flags
);
4330 iwl4965_disable_interrupts(priv
);
4331 spin_unlock_irqrestore(&priv
->lock
, flags
);
4333 err
= sysfs_create_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4335 IWL_ERROR("failed to create sysfs device attributes\n");
4336 goto out_uninit_drv
;
4340 iwl_setup_deferred_work(priv
);
4341 iwl_setup_rx_handlers(priv
);
4343 /********************
4345 ********************/
4346 pci_save_state(pdev
);
4347 pci_disable_device(pdev
);
4349 /**********************************
4350 * 10. Setup and register mac80211
4351 **********************************/
4353 err
= iwl_setup_mac(priv
);
4355 goto out_remove_sysfs
;
4357 err
= iwl_dbgfs_register(priv
, DRV_NAME
);
4359 IWL_ERROR("failed to create debugfs files\n");
4361 err
= iwl_rfkill_init(priv
);
4363 IWL_ERROR("Unable to initialize RFKILL system. "
4364 "Ignoring error: %d\n", err
);
4365 iwl_power_initialize(priv
);
4369 sysfs_remove_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4371 iwl_uninit_drv(priv
);
4373 iwl_eeprom_free(priv
);
4375 pci_iounmap(pdev
, priv
->hw_base
);
4376 out_pci_release_regions
:
4377 pci_release_regions(pdev
);
4378 pci_set_drvdata(pdev
, NULL
);
4379 out_pci_disable_device
:
4380 pci_disable_device(pdev
);
4381 out_ieee80211_free_hw
:
4382 ieee80211_free_hw(priv
->hw
);
4387 static void __devexit
iwl4965_pci_remove(struct pci_dev
*pdev
)
4389 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4390 unsigned long flags
;
4395 IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n");
4397 iwl_dbgfs_unregister(priv
);
4398 sysfs_remove_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4400 /* ieee80211_unregister_hw call wil cause iwl4965_mac_stop to
4401 * to be called and iwl4965_down since we are removing the device
4402 * we need to set STATUS_EXIT_PENDING bit.
4404 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
4405 if (priv
->mac80211_registered
) {
4406 ieee80211_unregister_hw(priv
->hw
);
4407 priv
->mac80211_registered
= 0;
4412 /* make sure we flush any pending irq or
4413 * tasklet for the driver
4415 spin_lock_irqsave(&priv
->lock
, flags
);
4416 iwl4965_disable_interrupts(priv
);
4417 spin_unlock_irqrestore(&priv
->lock
, flags
);
4419 iwl_synchronize_irq(priv
);
4421 iwl_rfkill_unregister(priv
);
4422 iwl4965_dealloc_ucode_pci(priv
);
4425 iwl_rx_queue_free(priv
, &priv
->rxq
);
4426 iwl_hw_txq_ctx_free(priv
);
4428 iwl_clear_stations_table(priv
);
4429 iwl_eeprom_free(priv
);
4432 /*netif_stop_queue(dev); */
4433 flush_workqueue(priv
->workqueue
);
4435 /* ieee80211_unregister_hw calls iwl4965_mac_stop, which flushes
4436 * priv->workqueue... so we can't take down the workqueue
4438 destroy_workqueue(priv
->workqueue
);
4439 priv
->workqueue
= NULL
;
4441 pci_iounmap(pdev
, priv
->hw_base
);
4442 pci_release_regions(pdev
);
4443 pci_disable_device(pdev
);
4444 pci_set_drvdata(pdev
, NULL
);
4446 iwl_uninit_drv(priv
);
4448 if (priv
->ibss_beacon
)
4449 dev_kfree_skb(priv
->ibss_beacon
);
4451 ieee80211_free_hw(priv
->hw
);
4456 static int iwl4965_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4458 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4460 if (priv
->is_open
) {
4461 set_bit(STATUS_IN_SUSPEND
, &priv
->status
);
4462 iwl4965_mac_stop(priv
->hw
);
4466 pci_set_power_state(pdev
, PCI_D3hot
);
4471 static int iwl4965_pci_resume(struct pci_dev
*pdev
)
4473 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4475 pci_set_power_state(pdev
, PCI_D0
);
4478 iwl4965_mac_start(priv
->hw
);
4480 clear_bit(STATUS_IN_SUSPEND
, &priv
->status
);
4484 #endif /* CONFIG_PM */
4486 /*****************************************************************************
4488 * driver and module entry point
4490 *****************************************************************************/
4492 /* Hardware specific file defines the PCI IDs table for that hardware module */
4493 static struct pci_device_id iwl_hw_card_ids
[] = {
4494 #ifdef CONFIG_IWL4965
4495 {IWL_PCI_DEVICE(0x4229, PCI_ANY_ID
, iwl4965_agn_cfg
)},
4496 {IWL_PCI_DEVICE(0x4230, PCI_ANY_ID
, iwl4965_agn_cfg
)},
4497 #endif /* CONFIG_IWL4965 */
4498 #ifdef CONFIG_IWL5000
4499 {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg
)},
4500 {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg
)},
4501 {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg
)},
4502 {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg
)},
4503 {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg
)},
4504 {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg
)},
4505 {IWL_PCI_DEVICE(0x4232, PCI_ANY_ID
, iwl5100_agn_cfg
)},
4506 {IWL_PCI_DEVICE(0x4235, PCI_ANY_ID
, iwl5300_agn_cfg
)},
4507 {IWL_PCI_DEVICE(0x4236, PCI_ANY_ID
, iwl5300_agn_cfg
)},
4508 {IWL_PCI_DEVICE(0x4237, PCI_ANY_ID
, iwl5100_agn_cfg
)},
4509 {IWL_PCI_DEVICE(0x423A, PCI_ANY_ID
, iwl5350_agn_cfg
)},
4510 #endif /* CONFIG_IWL5000 */
4513 MODULE_DEVICE_TABLE(pci
, iwl_hw_card_ids
);
4515 static struct pci_driver iwl_driver
= {
4517 .id_table
= iwl_hw_card_ids
,
4518 .probe
= iwl4965_pci_probe
,
4519 .remove
= __devexit_p(iwl4965_pci_remove
),
4521 .suspend
= iwl4965_pci_suspend
,
4522 .resume
= iwl4965_pci_resume
,
4526 static int __init
iwl4965_init(void)
4530 printk(KERN_INFO DRV_NAME
": " DRV_DESCRIPTION
", " DRV_VERSION
"\n");
4531 printk(KERN_INFO DRV_NAME
": " DRV_COPYRIGHT
"\n");
4533 ret
= iwlagn_rate_control_register();
4535 IWL_ERROR("Unable to register rate control algorithm: %d\n", ret
);
4539 ret
= pci_register_driver(&iwl_driver
);
4541 IWL_ERROR("Unable to initialize PCI module\n");
4542 goto error_register
;
4548 iwlagn_rate_control_unregister();
4552 static void __exit
iwl4965_exit(void)
4554 pci_unregister_driver(&iwl_driver
);
4555 iwlagn_rate_control_unregister();
4558 module_exit(iwl4965_exit
);
4559 module_init(iwl4965_init
);