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 * iwl4965_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 iwl4965_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
.rx_chain
!= priv
->active_rxon
.rx_chain
) ||
211 (priv
->staging_rxon
.assoc_id
!= priv
->active_rxon
.assoc_id
))
214 /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
215 * be updated with the RXON_ASSOC command -- however only some
216 * flag transitions are allowed using RXON_ASSOC */
218 /* Check if we are not switching bands */
219 if ((priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) !=
220 (priv
->active_rxon
.flags
& RXON_FLG_BAND_24G_MSK
))
223 /* Check if we are switching association toggle */
224 if ((priv
->staging_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) !=
225 (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
))
232 * iwl4965_commit_rxon - commit staging_rxon to hardware
234 * The RXON command in staging_rxon is committed to the hardware and
235 * the active_rxon structure is updated with the new data. This
236 * function correctly transitions out of the RXON_ASSOC_MSK state if
237 * a HW tune is required based on the RXON structure changes.
239 static int iwl4965_commit_rxon(struct iwl_priv
*priv
)
241 /* cast away the const for active_rxon in this function */
242 struct iwl_rxon_cmd
*active_rxon
= (void *)&priv
->active_rxon
;
243 DECLARE_MAC_BUF(mac
);
246 !!(priv
->staging_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
);
248 if (!iwl_is_alive(priv
))
251 /* always get timestamp with Rx frame */
252 priv
->staging_rxon
.flags
|= RXON_FLG_TSF2HOST_MSK
;
253 /* allow CTS-to-self if possible. this is relevant only for
254 * 5000, but will not damage 4965 */
255 priv
->staging_rxon
.flags
|= RXON_FLG_SELF_CTS_EN
;
257 ret
= iwl4965_check_rxon_cmd(&priv
->staging_rxon
);
259 IWL_ERROR("Invalid RXON configuration. Not committing.\n");
263 /* If we don't need to send a full RXON, we can use
264 * iwl4965_rxon_assoc_cmd which is used to reconfigure filter
265 * and other flags for the current radio configuration. */
266 if (!iwl4965_full_rxon_required(priv
)) {
267 ret
= iwl_send_rxon_assoc(priv
);
269 IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret
);
273 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
277 /* station table will be cleared */
278 priv
->assoc_station_added
= 0;
280 /* If we are currently associated and the new config requires
281 * an RXON_ASSOC and the new config wants the associated mask enabled,
282 * we must clear the associated from the active configuration
283 * before we apply the new config */
284 if (iwl_is_associated(priv
) && new_assoc
) {
285 IWL_DEBUG_INFO("Toggling associated bit on current RXON\n");
286 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
288 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
289 sizeof(struct iwl_rxon_cmd
),
292 /* If the mask clearing failed then we set
293 * active_rxon back to what it was previously */
295 active_rxon
->filter_flags
|= RXON_FILTER_ASSOC_MSK
;
296 IWL_ERROR("Error clearing ASSOC_MSK (%d)\n", ret
);
301 IWL_DEBUG_INFO("Sending RXON\n"
302 "* with%s RXON_FILTER_ASSOC_MSK\n"
305 (new_assoc
? "" : "out"),
306 le16_to_cpu(priv
->staging_rxon
.channel
),
307 print_mac(mac
, priv
->staging_rxon
.bssid_addr
));
309 iwl4965_set_rxon_hwcrypto(priv
, !priv
->hw_params
.sw_crypto
);
311 /* Apply the new configuration
312 * RXON unassoc clears the station table in uCode, send it before
313 * we add the bcast station. If assoc bit is set, we will send RXON
314 * after having added the bcast and bssid station.
317 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
318 sizeof(struct iwl_rxon_cmd
), &priv
->staging_rxon
);
320 IWL_ERROR("Error setting new RXON (%d)\n", ret
);
323 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
326 iwl_clear_stations_table(priv
);
328 if (!priv
->error_recovering
)
329 priv
->start_calib
= 0;
331 /* Add the broadcast address so we can send broadcast frames */
332 if (iwl_rxon_add_station(priv
, iwl_bcast_addr
, 0) ==
333 IWL_INVALID_STATION
) {
334 IWL_ERROR("Error adding BROADCAST address for transmit.\n");
338 /* If we have set the ASSOC_MSK and we are in BSS mode then
339 * add the IWL_AP_ID to the station rate table */
341 if (priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) {
342 ret
= iwl_rxon_add_station(priv
,
343 priv
->active_rxon
.bssid_addr
, 1);
344 if (ret
== IWL_INVALID_STATION
) {
345 IWL_ERROR("Error adding AP address for TX.\n");
348 priv
->assoc_station_added
= 1;
349 if (priv
->default_wep_key
&&
350 iwl_send_static_wepkey_cmd(priv
, 0))
351 IWL_ERROR("Could not send WEP static key.\n");
354 /* Apply the new configuration
355 * RXON assoc doesn't clear the station table in uCode,
357 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON
,
358 sizeof(struct iwl_rxon_cmd
), &priv
->staging_rxon
);
360 IWL_ERROR("Error setting new RXON (%d)\n", ret
);
363 memcpy(active_rxon
, &priv
->staging_rxon
, sizeof(*active_rxon
));
366 iwl_init_sensitivity(priv
);
368 /* If we issue a new RXON command which required a tune then we must
369 * send a new TXPOWER command or we won't be able to Tx any frames */
370 ret
= iwl_set_tx_power(priv
, priv
->tx_power_user_lmt
, true);
372 IWL_ERROR("Error sending TX power (%d)\n", ret
);
379 void iwl4965_update_chain_flags(struct iwl_priv
*priv
)
382 iwl_set_rxon_chain(priv
);
383 iwl4965_commit_rxon(priv
);
386 static int iwl4965_send_bt_config(struct iwl_priv
*priv
)
388 struct iwl4965_bt_cmd bt_cmd
= {
396 return iwl_send_cmd_pdu(priv
, REPLY_BT_CONFIG
,
397 sizeof(struct iwl4965_bt_cmd
), &bt_cmd
);
400 static void iwl_clear_free_frames(struct iwl_priv
*priv
)
402 struct list_head
*element
;
404 IWL_DEBUG_INFO("%d frames on pre-allocated heap on clear.\n",
407 while (!list_empty(&priv
->free_frames
)) {
408 element
= priv
->free_frames
.next
;
410 kfree(list_entry(element
, struct iwl_frame
, list
));
411 priv
->frames_count
--;
414 if (priv
->frames_count
) {
415 IWL_WARNING("%d frames still in use. Did we lose one?\n",
417 priv
->frames_count
= 0;
421 static struct iwl_frame
*iwl_get_free_frame(struct iwl_priv
*priv
)
423 struct iwl_frame
*frame
;
424 struct list_head
*element
;
425 if (list_empty(&priv
->free_frames
)) {
426 frame
= kzalloc(sizeof(*frame
), GFP_KERNEL
);
428 IWL_ERROR("Could not allocate frame!\n");
432 priv
->frames_count
++;
436 element
= priv
->free_frames
.next
;
438 return list_entry(element
, struct iwl_frame
, list
);
441 static void iwl_free_frame(struct iwl_priv
*priv
, struct iwl_frame
*frame
)
443 memset(frame
, 0, sizeof(*frame
));
444 list_add(&frame
->list
, &priv
->free_frames
);
447 static unsigned int iwl_fill_beacon_frame(struct iwl_priv
*priv
,
448 struct ieee80211_hdr
*hdr
,
449 const u8
*dest
, int left
)
451 if (!iwl_is_associated(priv
) || !priv
->ibss_beacon
||
452 ((priv
->iw_mode
!= IEEE80211_IF_TYPE_IBSS
) &&
453 (priv
->iw_mode
!= IEEE80211_IF_TYPE_AP
)))
456 if (priv
->ibss_beacon
->len
> left
)
459 memcpy(hdr
, priv
->ibss_beacon
->data
, priv
->ibss_beacon
->len
);
461 return priv
->ibss_beacon
->len
;
464 static u8
iwl4965_rate_get_lowest_plcp(struct iwl_priv
*priv
)
470 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
471 rate_mask
= priv
->active_rate_basic
& 0xF;
473 rate_mask
= priv
->active_rate_basic
& 0xFF0;
475 /* Find lowest valid rate */
476 for (i
= IWL_RATE_1M_INDEX
; i
!= IWL_RATE_INVALID
;
477 i
= iwl_rates
[i
].next_ieee
) {
478 if (rate_mask
& (1 << i
))
479 return iwl_rates
[i
].plcp
;
482 /* No valid rate was found. Assign the lowest one */
483 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
484 return IWL_RATE_1M_PLCP
;
486 return IWL_RATE_6M_PLCP
;
489 unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv
*priv
,
490 struct iwl_frame
*frame
, u8 rate
)
492 struct iwl_tx_beacon_cmd
*tx_beacon_cmd
;
493 unsigned int frame_size
;
495 tx_beacon_cmd
= &frame
->u
.beacon
;
496 memset(tx_beacon_cmd
, 0, sizeof(*tx_beacon_cmd
));
498 tx_beacon_cmd
->tx
.sta_id
= priv
->hw_params
.bcast_sta_id
;
499 tx_beacon_cmd
->tx
.stop_time
.life_time
= TX_CMD_LIFE_TIME_INFINITE
;
501 frame_size
= iwl_fill_beacon_frame(priv
, tx_beacon_cmd
->frame
,
503 sizeof(frame
->u
) - sizeof(*tx_beacon_cmd
));
505 BUG_ON(frame_size
> MAX_MPDU_SIZE
);
506 tx_beacon_cmd
->tx
.len
= cpu_to_le16((u16
)frame_size
);
508 if ((rate
== IWL_RATE_1M_PLCP
) || (rate
>= IWL_RATE_2M_PLCP
))
509 tx_beacon_cmd
->tx
.rate_n_flags
=
510 iwl_hw_set_rate_n_flags(rate
, RATE_MCS_CCK_MSK
);
512 tx_beacon_cmd
->tx
.rate_n_flags
=
513 iwl_hw_set_rate_n_flags(rate
, 0);
515 tx_beacon_cmd
->tx
.tx_flags
= TX_CMD_FLG_SEQ_CTL_MSK
|
517 TX_CMD_FLG_STA_RATE_MSK
;
519 return sizeof(*tx_beacon_cmd
) + frame_size
;
521 static int iwl4965_send_beacon_cmd(struct iwl_priv
*priv
)
523 struct iwl_frame
*frame
;
524 unsigned int frame_size
;
528 frame
= iwl_get_free_frame(priv
);
531 IWL_ERROR("Could not obtain free frame buffer for beacon "
536 rate
= iwl4965_rate_get_lowest_plcp(priv
);
538 frame_size
= iwl4965_hw_get_beacon_cmd(priv
, frame
, rate
);
540 rc
= iwl_send_cmd_pdu(priv
, REPLY_TX_BEACON
, frame_size
,
543 iwl_free_frame(priv
, frame
);
548 /******************************************************************************
550 * Misc. internal state and helper functions
552 ******************************************************************************/
554 static void iwl4965_ht_conf(struct iwl_priv
*priv
,
555 struct ieee80211_bss_conf
*bss_conf
)
557 struct ieee80211_ht_info
*ht_conf
= bss_conf
->ht_conf
;
558 struct ieee80211_ht_bss_info
*ht_bss_conf
= bss_conf
->ht_bss_conf
;
559 struct iwl_ht_info
*iwl_conf
= &priv
->current_ht_config
;
561 IWL_DEBUG_MAC80211("enter: \n");
563 iwl_conf
->is_ht
= bss_conf
->assoc_ht
;
565 if (!iwl_conf
->is_ht
)
568 priv
->ps_mode
= (u8
)((ht_conf
->cap
& IEEE80211_HT_CAP_MIMO_PS
) >> 2);
570 if (ht_conf
->cap
& IEEE80211_HT_CAP_SGI_20
)
571 iwl_conf
->sgf
|= HT_SHORT_GI_20MHZ
;
572 if (ht_conf
->cap
& IEEE80211_HT_CAP_SGI_40
)
573 iwl_conf
->sgf
|= HT_SHORT_GI_40MHZ
;
575 iwl_conf
->is_green_field
= !!(ht_conf
->cap
& IEEE80211_HT_CAP_GRN_FLD
);
576 iwl_conf
->max_amsdu_size
=
577 !!(ht_conf
->cap
& IEEE80211_HT_CAP_MAX_AMSDU
);
579 iwl_conf
->supported_chan_width
=
580 !!(ht_conf
->cap
& IEEE80211_HT_CAP_SUP_WIDTH
);
581 iwl_conf
->extension_chan_offset
=
582 ht_bss_conf
->bss_cap
& IEEE80211_HT_IE_CHA_SEC_OFFSET
;
583 /* If no above or below channel supplied disable FAT channel */
584 if (iwl_conf
->extension_chan_offset
!= IEEE80211_HT_IE_CHA_SEC_ABOVE
&&
585 iwl_conf
->extension_chan_offset
!= IEEE80211_HT_IE_CHA_SEC_BELOW
) {
586 iwl_conf
->extension_chan_offset
= IEEE80211_HT_IE_CHA_SEC_NONE
;
587 iwl_conf
->supported_chan_width
= 0;
590 iwl_conf
->tx_mimo_ps_mode
=
591 (u8
)((ht_conf
->cap
& IEEE80211_HT_CAP_MIMO_PS
) >> 2);
592 memcpy(iwl_conf
->supp_mcs_set
, ht_conf
->supp_mcs_set
, 16);
594 iwl_conf
->control_channel
= ht_bss_conf
->primary_channel
;
595 iwl_conf
->tx_chan_width
=
596 !!(ht_bss_conf
->bss_cap
& IEEE80211_HT_IE_CHA_WIDTH
);
597 iwl_conf
->ht_protection
=
598 ht_bss_conf
->bss_op_mode
& IEEE80211_HT_IE_HT_PROTECTION
;
599 iwl_conf
->non_GF_STA_present
=
600 !!(ht_bss_conf
->bss_op_mode
& IEEE80211_HT_IE_NON_GF_STA_PRSNT
);
602 IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf
->control_channel
);
603 IWL_DEBUG_MAC80211("leave\n");
609 static void iwl_activate_qos(struct iwl_priv
*priv
, u8 force
)
611 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
614 if (!priv
->qos_data
.qos_enable
)
617 priv
->qos_data
.def_qos_parm
.qos_flags
= 0;
619 if (priv
->qos_data
.qos_cap
.q_AP
.queue_request
&&
620 !priv
->qos_data
.qos_cap
.q_AP
.txop_request
)
621 priv
->qos_data
.def_qos_parm
.qos_flags
|=
622 QOS_PARAM_FLG_TXOP_TYPE_MSK
;
623 if (priv
->qos_data
.qos_active
)
624 priv
->qos_data
.def_qos_parm
.qos_flags
|=
625 QOS_PARAM_FLG_UPDATE_EDCA_MSK
;
627 if (priv
->current_ht_config
.is_ht
)
628 priv
->qos_data
.def_qos_parm
.qos_flags
|= QOS_PARAM_FLG_TGN_MSK
;
630 if (force
|| iwl_is_associated(priv
)) {
631 IWL_DEBUG_QOS("send QoS cmd with Qos active=%d FLAGS=0x%X\n",
632 priv
->qos_data
.qos_active
,
633 priv
->qos_data
.def_qos_parm
.qos_flags
);
635 iwl_send_cmd_pdu_async(priv
, REPLY_QOS_PARAM
,
636 sizeof(struct iwl_qosparam_cmd
),
637 &priv
->qos_data
.def_qos_parm
, NULL
);
641 #define MAX_UCODE_BEACON_INTERVAL 4096
643 static __le16
iwl4965_adjust_beacon_interval(u16 beacon_val
)
646 u16 beacon_factor
= 0;
649 (beacon_val
+ MAX_UCODE_BEACON_INTERVAL
)
650 / MAX_UCODE_BEACON_INTERVAL
;
651 new_val
= beacon_val
/ beacon_factor
;
653 return cpu_to_le16(new_val
);
656 static void iwl4965_setup_rxon_timing(struct iwl_priv
*priv
)
658 u64 interval_tm_unit
;
661 struct ieee80211_conf
*conf
= NULL
;
664 conf
= ieee80211_get_hw_conf(priv
->hw
);
666 spin_lock_irqsave(&priv
->lock
, flags
);
667 priv
->rxon_timing
.timestamp
.dw
[1] = cpu_to_le32(priv
->timestamp
>> 32);
668 priv
->rxon_timing
.timestamp
.dw
[0] =
669 cpu_to_le32(priv
->timestamp
& 0xFFFFFFFF);
671 priv
->rxon_timing
.listen_interval
= cpu_to_le16(conf
->listen_interval
);
673 tsf
= priv
->timestamp
;
675 beacon_int
= priv
->beacon_int
;
676 spin_unlock_irqrestore(&priv
->lock
, flags
);
678 if (priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) {
679 if (beacon_int
== 0) {
680 priv
->rxon_timing
.beacon_interval
= cpu_to_le16(100);
681 priv
->rxon_timing
.beacon_init_val
= cpu_to_le32(102400);
683 priv
->rxon_timing
.beacon_interval
=
684 cpu_to_le16(beacon_int
);
685 priv
->rxon_timing
.beacon_interval
=
686 iwl4965_adjust_beacon_interval(
687 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
690 priv
->rxon_timing
.atim_window
= 0;
692 priv
->rxon_timing
.beacon_interval
=
693 iwl4965_adjust_beacon_interval(conf
->beacon_int
);
694 /* TODO: we need to get atim_window from upper stack
695 * for now we set to 0 */
696 priv
->rxon_timing
.atim_window
= 0;
700 (le16_to_cpu(priv
->rxon_timing
.beacon_interval
) * 1024);
701 result
= do_div(tsf
, interval_tm_unit
);
702 priv
->rxon_timing
.beacon_init_val
=
703 cpu_to_le32((u32
) ((u64
) interval_tm_unit
- result
));
706 ("beacon interval %d beacon timer %d beacon tim %d\n",
707 le16_to_cpu(priv
->rxon_timing
.beacon_interval
),
708 le32_to_cpu(priv
->rxon_timing
.beacon_init_val
),
709 le16_to_cpu(priv
->rxon_timing
.atim_window
));
712 static void iwl_set_flags_for_band(struct iwl_priv
*priv
,
713 enum ieee80211_band band
)
715 if (band
== IEEE80211_BAND_5GHZ
) {
716 priv
->staging_rxon
.flags
&=
717 ~(RXON_FLG_BAND_24G_MSK
| RXON_FLG_AUTO_DETECT_MSK
719 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
721 /* Copied from iwl4965_post_associate() */
722 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_SLOT_TIME
)
723 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
725 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
727 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
728 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
730 priv
->staging_rxon
.flags
|= RXON_FLG_BAND_24G_MSK
;
731 priv
->staging_rxon
.flags
|= RXON_FLG_AUTO_DETECT_MSK
;
732 priv
->staging_rxon
.flags
&= ~RXON_FLG_CCK_MSK
;
737 * initialize rxon structure with default values from eeprom
739 static void iwl4965_connection_init_rx_config(struct iwl_priv
*priv
)
741 const struct iwl_channel_info
*ch_info
;
743 memset(&priv
->staging_rxon
, 0, sizeof(priv
->staging_rxon
));
745 switch (priv
->iw_mode
) {
746 case IEEE80211_IF_TYPE_AP
:
747 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_AP
;
750 case IEEE80211_IF_TYPE_STA
:
751 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_ESS
;
752 priv
->staging_rxon
.filter_flags
= RXON_FILTER_ACCEPT_GRP_MSK
;
755 case IEEE80211_IF_TYPE_IBSS
:
756 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_IBSS
;
757 priv
->staging_rxon
.flags
= RXON_FLG_SHORT_PREAMBLE_MSK
;
758 priv
->staging_rxon
.filter_flags
= RXON_FILTER_BCON_AWARE_MSK
|
759 RXON_FILTER_ACCEPT_GRP_MSK
;
762 case IEEE80211_IF_TYPE_MNTR
:
763 priv
->staging_rxon
.dev_type
= RXON_DEV_TYPE_SNIFFER
;
764 priv
->staging_rxon
.filter_flags
= RXON_FILTER_PROMISC_MSK
|
765 RXON_FILTER_CTL2HOST_MSK
| RXON_FILTER_ACCEPT_GRP_MSK
;
768 IWL_ERROR("Unsupported interface type %d\n", priv
->iw_mode
);
773 /* TODO: Figure out when short_preamble would be set and cache from
775 if (!hw_to_local(priv
->hw
)->short_preamble
)
776 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
778 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
781 ch_info
= iwl_get_channel_info(priv
, priv
->band
,
782 le16_to_cpu(priv
->active_rxon
.channel
));
785 ch_info
= &priv
->channel_info
[0];
788 * in some case A channels are all non IBSS
789 * in this case force B/G channel
791 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
) &&
792 !(is_channel_ibss(ch_info
)))
793 ch_info
= &priv
->channel_info
[0];
795 priv
->staging_rxon
.channel
= cpu_to_le16(ch_info
->channel
);
796 priv
->band
= ch_info
->band
;
798 iwl_set_flags_for_band(priv
, priv
->band
);
800 priv
->staging_rxon
.ofdm_basic_rates
=
801 (IWL_OFDM_RATES_MASK
>> IWL_FIRST_OFDM_RATE
) & 0xFF;
802 priv
->staging_rxon
.cck_basic_rates
=
803 (IWL_CCK_RATES_MASK
>> IWL_FIRST_CCK_RATE
) & 0xF;
805 priv
->staging_rxon
.flags
&= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK
|
806 RXON_FLG_CHANNEL_MODE_PURE_40_MSK
);
807 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
808 memcpy(priv
->staging_rxon
.wlap_bssid_addr
, priv
->mac_addr
, ETH_ALEN
);
809 priv
->staging_rxon
.ofdm_ht_single_stream_basic_rates
= 0xff;
810 priv
->staging_rxon
.ofdm_ht_dual_stream_basic_rates
= 0xff;
811 iwl_set_rxon_chain(priv
);
814 static int iwl4965_set_mode(struct iwl_priv
*priv
, int mode
)
816 priv
->iw_mode
= mode
;
818 iwl4965_connection_init_rx_config(priv
);
819 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
821 iwl_clear_stations_table(priv
);
823 /* dont commit rxon if rf-kill is on*/
824 if (!iwl_is_ready_rf(priv
))
827 cancel_delayed_work(&priv
->scan_check
);
828 if (iwl_scan_cancel_timeout(priv
, 100)) {
829 IWL_WARNING("Aborted scan still in progress after 100ms\n");
830 IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
834 iwl4965_commit_rxon(priv
);
839 static void iwl4965_set_rate(struct iwl_priv
*priv
)
841 const struct ieee80211_supported_band
*hw
= NULL
;
842 struct ieee80211_rate
*rate
;
845 hw
= iwl_get_hw_mode(priv
, priv
->band
);
847 IWL_ERROR("Failed to set rate: unable to get hw mode\n");
851 priv
->active_rate
= 0;
852 priv
->active_rate_basic
= 0;
854 for (i
= 0; i
< hw
->n_bitrates
; i
++) {
855 rate
= &(hw
->bitrates
[i
]);
856 if (rate
->hw_value
< IWL_RATE_COUNT
)
857 priv
->active_rate
|= (1 << rate
->hw_value
);
860 IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n",
861 priv
->active_rate
, priv
->active_rate_basic
);
864 * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK)
865 * otherwise set it to the default of all CCK rates and 6, 12, 24 for
868 if (priv
->active_rate_basic
& IWL_CCK_BASIC_RATES_MASK
)
869 priv
->staging_rxon
.cck_basic_rates
=
870 ((priv
->active_rate_basic
&
871 IWL_CCK_RATES_MASK
) >> IWL_FIRST_CCK_RATE
) & 0xF;
873 priv
->staging_rxon
.cck_basic_rates
=
874 (IWL_CCK_BASIC_RATES_MASK
>> IWL_FIRST_CCK_RATE
) & 0xF;
876 if (priv
->active_rate_basic
& IWL_OFDM_BASIC_RATES_MASK
)
877 priv
->staging_rxon
.ofdm_basic_rates
=
878 ((priv
->active_rate_basic
&
879 (IWL_OFDM_BASIC_RATES_MASK
| IWL_RATE_6M_MASK
)) >>
880 IWL_FIRST_OFDM_RATE
) & 0xFF;
882 priv
->staging_rxon
.ofdm_basic_rates
=
883 (IWL_OFDM_BASIC_RATES_MASK
>> IWL_FIRST_OFDM_RATE
) & 0xFF;
886 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
888 #include "iwl-spectrum.h"
890 #define BEACON_TIME_MASK_LOW 0x00FFFFFF
891 #define BEACON_TIME_MASK_HIGH 0xFF000000
892 #define TIME_UNIT 1024
895 * extended beacon time format
896 * time in usec will be changed into a 32-bit value in 8:24 format
897 * the high 1 byte is the beacon counts
898 * the lower 3 bytes is the time in usec within one beacon interval
901 static u32
iwl4965_usecs_to_beacons(u32 usec
, u32 beacon_interval
)
905 u32 interval
= beacon_interval
* 1024;
907 if (!interval
|| !usec
)
910 quot
= (usec
/ interval
) & (BEACON_TIME_MASK_HIGH
>> 24);
911 rem
= (usec
% interval
) & BEACON_TIME_MASK_LOW
;
913 return (quot
<< 24) + rem
;
916 /* base is usually what we get from ucode with each received frame,
917 * the same as HW timer counter counting down
920 static __le32
iwl4965_add_beacon_time(u32 base
, u32 addon
, u32 beacon_interval
)
922 u32 base_low
= base
& BEACON_TIME_MASK_LOW
;
923 u32 addon_low
= addon
& BEACON_TIME_MASK_LOW
;
924 u32 interval
= beacon_interval
* TIME_UNIT
;
925 u32 res
= (base
& BEACON_TIME_MASK_HIGH
) +
926 (addon
& BEACON_TIME_MASK_HIGH
);
928 if (base_low
> addon_low
)
929 res
+= base_low
- addon_low
;
930 else if (base_low
< addon_low
) {
931 res
+= interval
+ base_low
- addon_low
;
936 return cpu_to_le32(res
);
939 static int iwl4965_get_measurement(struct iwl_priv
*priv
,
940 struct ieee80211_measurement_params
*params
,
943 struct iwl4965_spectrum_cmd spectrum
;
944 struct iwl_rx_packet
*res
;
945 struct iwl_host_cmd cmd
= {
946 .id
= REPLY_SPECTRUM_MEASUREMENT_CMD
,
947 .data
= (void *)&spectrum
,
948 .meta
.flags
= CMD_WANT_SKB
,
950 u32 add_time
= le64_to_cpu(params
->start_time
);
952 int spectrum_resp_status
;
953 int duration
= le16_to_cpu(params
->duration
);
955 if (iwl_is_associated(priv
))
957 iwl4965_usecs_to_beacons(
958 le64_to_cpu(params
->start_time
) - priv
->last_tsf
,
959 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
961 memset(&spectrum
, 0, sizeof(spectrum
));
963 spectrum
.channel_count
= cpu_to_le16(1);
965 RXON_FLG_TSF2HOST_MSK
| RXON_FLG_ANT_A_MSK
| RXON_FLG_DIS_DIV_MSK
;
966 spectrum
.filter_flags
= MEASUREMENT_FILTER_FLAG
;
967 cmd
.len
= sizeof(spectrum
);
968 spectrum
.len
= cpu_to_le16(cmd
.len
- sizeof(spectrum
.len
));
970 if (iwl_is_associated(priv
))
971 spectrum
.start_time
=
972 iwl4965_add_beacon_time(priv
->last_beacon_time
,
974 le16_to_cpu(priv
->rxon_timing
.beacon_interval
));
976 spectrum
.start_time
= 0;
978 spectrum
.channels
[0].duration
= cpu_to_le32(duration
* TIME_UNIT
);
979 spectrum
.channels
[0].channel
= params
->channel
;
980 spectrum
.channels
[0].type
= type
;
981 if (priv
->active_rxon
.flags
& RXON_FLG_BAND_24G_MSK
)
982 spectrum
.flags
|= RXON_FLG_BAND_24G_MSK
|
983 RXON_FLG_AUTO_DETECT_MSK
| RXON_FLG_TGG_PROTECT_MSK
;
985 rc
= iwl_send_cmd_sync(priv
, &cmd
);
989 res
= (struct iwl_rx_packet
*)cmd
.meta
.u
.skb
->data
;
990 if (res
->hdr
.flags
& IWL_CMD_FAILED_MSK
) {
991 IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n");
995 spectrum_resp_status
= le16_to_cpu(res
->u
.spectrum
.status
);
996 switch (spectrum_resp_status
) {
997 case 0: /* Command will be handled */
998 if (res
->u
.spectrum
.id
!= 0xff) {
1000 ("Replaced existing measurement: %d\n",
1001 res
->u
.spectrum
.id
);
1002 priv
->measurement_status
&= ~MEASUREMENT_READY
;
1004 priv
->measurement_status
|= MEASUREMENT_ACTIVE
;
1008 case 1: /* Command will not be handled */
1013 dev_kfree_skb_any(cmd
.meta
.u
.skb
);
1019 /******************************************************************************
1021 * Generic RX handler implementations
1023 ******************************************************************************/
1024 static void iwl_rx_reply_alive(struct iwl_priv
*priv
,
1025 struct iwl_rx_mem_buffer
*rxb
)
1027 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1028 struct iwl_alive_resp
*palive
;
1029 struct delayed_work
*pwork
;
1031 palive
= &pkt
->u
.alive_frame
;
1033 IWL_DEBUG_INFO("Alive ucode status 0x%08X revision "
1035 palive
->is_valid
, palive
->ver_type
,
1036 palive
->ver_subtype
);
1038 if (palive
->ver_subtype
== INITIALIZE_SUBTYPE
) {
1039 IWL_DEBUG_INFO("Initialization Alive received.\n");
1040 memcpy(&priv
->card_alive_init
,
1041 &pkt
->u
.alive_frame
,
1042 sizeof(struct iwl_init_alive_resp
));
1043 pwork
= &priv
->init_alive_start
;
1045 IWL_DEBUG_INFO("Runtime Alive received.\n");
1046 memcpy(&priv
->card_alive
, &pkt
->u
.alive_frame
,
1047 sizeof(struct iwl_alive_resp
));
1048 pwork
= &priv
->alive_start
;
1051 /* We delay the ALIVE response by 5ms to
1052 * give the HW RF Kill time to activate... */
1053 if (palive
->is_valid
== UCODE_VALID_OK
)
1054 queue_delayed_work(priv
->workqueue
, pwork
,
1055 msecs_to_jiffies(5));
1057 IWL_WARNING("uCode did not respond OK.\n");
1060 static void iwl4965_rx_reply_error(struct iwl_priv
*priv
,
1061 struct iwl_rx_mem_buffer
*rxb
)
1063 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1065 IWL_ERROR("Error Reply type 0x%08X cmd %s (0x%02X) "
1066 "seq 0x%04X ser 0x%08X\n",
1067 le32_to_cpu(pkt
->u
.err_resp
.error_type
),
1068 get_cmd_string(pkt
->u
.err_resp
.cmd_id
),
1069 pkt
->u
.err_resp
.cmd_id
,
1070 le16_to_cpu(pkt
->u
.err_resp
.bad_cmd_seq_num
),
1071 le32_to_cpu(pkt
->u
.err_resp
.error_info
));
1074 #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
1076 static void iwl4965_rx_csa(struct iwl_priv
*priv
, struct iwl_rx_mem_buffer
*rxb
)
1078 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1079 struct iwl_rxon_cmd
*rxon
= (void *)&priv
->active_rxon
;
1080 struct iwl4965_csa_notification
*csa
= &(pkt
->u
.csa_notif
);
1081 IWL_DEBUG_11H("CSA notif: channel %d, status %d\n",
1082 le16_to_cpu(csa
->channel
), le32_to_cpu(csa
->status
));
1083 rxon
->channel
= csa
->channel
;
1084 priv
->staging_rxon
.channel
= csa
->channel
;
1087 static void iwl4965_rx_spectrum_measure_notif(struct iwl_priv
*priv
,
1088 struct iwl_rx_mem_buffer
*rxb
)
1090 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
1091 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1092 struct iwl4965_spectrum_notification
*report
= &(pkt
->u
.spectrum_notif
);
1094 if (!report
->state
) {
1095 IWL_DEBUG(IWL_DL_11H
,
1096 "Spectrum Measure Notification: Start\n");
1100 memcpy(&priv
->measure_report
, report
, sizeof(*report
));
1101 priv
->measurement_status
|= MEASUREMENT_READY
;
1105 static void iwl4965_rx_pm_sleep_notif(struct iwl_priv
*priv
,
1106 struct iwl_rx_mem_buffer
*rxb
)
1108 #ifdef CONFIG_IWLWIFI_DEBUG
1109 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1110 struct iwl4965_sleep_notification
*sleep
= &(pkt
->u
.sleep_notif
);
1111 IWL_DEBUG_RX("sleep mode: %d, src: %d\n",
1112 sleep
->pm_sleep_mode
, sleep
->pm_wakeup_src
);
1116 static void iwl4965_rx_pm_debug_statistics_notif(struct iwl_priv
*priv
,
1117 struct iwl_rx_mem_buffer
*rxb
)
1119 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1120 IWL_DEBUG_RADIO("Dumping %d bytes of unhandled "
1121 "notification for %s:\n",
1122 le32_to_cpu(pkt
->len
), get_cmd_string(pkt
->hdr
.cmd
));
1123 iwl_print_hex_dump(priv
, IWL_DL_RADIO
, pkt
->u
.raw
, le32_to_cpu(pkt
->len
));
1126 static void iwl4965_bg_beacon_update(struct work_struct
*work
)
1128 struct iwl_priv
*priv
=
1129 container_of(work
, struct iwl_priv
, beacon_update
);
1130 struct sk_buff
*beacon
;
1132 /* Pull updated AP beacon from mac80211. will fail if not in AP mode */
1133 beacon
= ieee80211_beacon_get(priv
->hw
, priv
->vif
);
1136 IWL_ERROR("update beacon failed\n");
1140 mutex_lock(&priv
->mutex
);
1141 /* new beacon skb is allocated every time; dispose previous.*/
1142 if (priv
->ibss_beacon
)
1143 dev_kfree_skb(priv
->ibss_beacon
);
1145 priv
->ibss_beacon
= beacon
;
1146 mutex_unlock(&priv
->mutex
);
1148 iwl4965_send_beacon_cmd(priv
);
1152 * iwl4965_bg_statistics_periodic - Timer callback to queue statistics
1154 * This callback is provided in order to send a statistics request.
1156 * This timer function is continually reset to execute within
1157 * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
1158 * was received. We need to ensure we receive the statistics in order
1159 * to update the temperature used for calibrating the TXPOWER.
1161 static void iwl4965_bg_statistics_periodic(unsigned long data
)
1163 struct iwl_priv
*priv
= (struct iwl_priv
*)data
;
1165 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
1168 iwl_send_statistics_request(priv
, CMD_ASYNC
);
1171 static void iwl4965_rx_beacon_notif(struct iwl_priv
*priv
,
1172 struct iwl_rx_mem_buffer
*rxb
)
1174 #ifdef CONFIG_IWLWIFI_DEBUG
1175 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1176 struct iwl4965_beacon_notif
*beacon
= &(pkt
->u
.beacon_status
);
1177 u8 rate
= iwl_hw_get_rate(beacon
->beacon_notify_hdr
.rate_n_flags
);
1179 IWL_DEBUG_RX("beacon status %x retries %d iss %d "
1180 "tsf %d %d rate %d\n",
1181 le32_to_cpu(beacon
->beacon_notify_hdr
.u
.status
) & TX_STATUS_MSK
,
1182 beacon
->beacon_notify_hdr
.failure_frame
,
1183 le32_to_cpu(beacon
->ibss_mgr_status
),
1184 le32_to_cpu(beacon
->high_tsf
),
1185 le32_to_cpu(beacon
->low_tsf
), rate
);
1188 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) &&
1189 (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
)))
1190 queue_work(priv
->workqueue
, &priv
->beacon_update
);
1193 /* Handle notification from uCode that card's power state is changing
1194 * due to software, hardware, or critical temperature RFKILL */
1195 static void iwl4965_rx_card_state_notif(struct iwl_priv
*priv
,
1196 struct iwl_rx_mem_buffer
*rxb
)
1198 struct iwl_rx_packet
*pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1199 u32 flags
= le32_to_cpu(pkt
->u
.card_state_notif
.flags
);
1200 unsigned long status
= priv
->status
;
1202 IWL_DEBUG_RF_KILL("Card state received: HW:%s SW:%s\n",
1203 (flags
& HW_CARD_DISABLED
) ? "Kill" : "On",
1204 (flags
& SW_CARD_DISABLED
) ? "Kill" : "On");
1206 if (flags
& (SW_CARD_DISABLED
| HW_CARD_DISABLED
|
1207 RF_CARD_DISABLED
)) {
1209 iwl_write32(priv
, CSR_UCODE_DRV_GP1_SET
,
1210 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
1212 if (!iwl_grab_nic_access(priv
)) {
1214 priv
, HBUS_TARG_MBX_C
,
1215 HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED
);
1217 iwl_release_nic_access(priv
);
1220 if (!(flags
& RXON_CARD_DISABLED
)) {
1221 iwl_write32(priv
, CSR_UCODE_DRV_GP1_CLR
,
1222 CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED
);
1223 if (!iwl_grab_nic_access(priv
)) {
1225 priv
, HBUS_TARG_MBX_C
,
1226 HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED
);
1228 iwl_release_nic_access(priv
);
1232 if (flags
& RF_CARD_DISABLED
) {
1233 iwl_write32(priv
, CSR_UCODE_DRV_GP1_SET
,
1234 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT
);
1235 iwl_read32(priv
, CSR_UCODE_DRV_GP1
);
1236 if (!iwl_grab_nic_access(priv
))
1237 iwl_release_nic_access(priv
);
1241 if (flags
& HW_CARD_DISABLED
)
1242 set_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1244 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1247 if (flags
& SW_CARD_DISABLED
)
1248 set_bit(STATUS_RF_KILL_SW
, &priv
->status
);
1250 clear_bit(STATUS_RF_KILL_SW
, &priv
->status
);
1252 if (!(flags
& RXON_CARD_DISABLED
))
1253 iwl_scan_cancel(priv
);
1255 if ((test_bit(STATUS_RF_KILL_HW
, &status
) !=
1256 test_bit(STATUS_RF_KILL_HW
, &priv
->status
)) ||
1257 (test_bit(STATUS_RF_KILL_SW
, &status
) !=
1258 test_bit(STATUS_RF_KILL_SW
, &priv
->status
)))
1259 queue_work(priv
->workqueue
, &priv
->rf_kill
);
1261 wake_up_interruptible(&priv
->wait_command_queue
);
1264 int iwl4965_set_pwr_src(struct iwl_priv
*priv
, enum iwl_pwr_src src
)
1267 unsigned long flags
;
1269 spin_lock_irqsave(&priv
->lock
, flags
);
1270 ret
= iwl_grab_nic_access(priv
);
1274 if (src
== IWL_PWR_SRC_VAUX
) {
1276 ret
= pci_read_config_dword(priv
->pci_dev
, PCI_POWER_SOURCE
,
1279 if (val
& PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT
)
1280 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
1281 APMG_PS_CTRL_VAL_PWR_SRC_VAUX
,
1282 ~APMG_PS_CTRL_MSK_PWR_SRC
);
1284 iwl_set_bits_mask_prph(priv
, APMG_PS_CTRL_REG
,
1285 APMG_PS_CTRL_VAL_PWR_SRC_VMAIN
,
1286 ~APMG_PS_CTRL_MSK_PWR_SRC
);
1289 iwl_release_nic_access(priv
);
1291 spin_unlock_irqrestore(&priv
->lock
, flags
);
1296 * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
1298 * Setup the RX handlers for each of the reply types sent from the uCode
1301 * This function chains into the hardware specific files for them to setup
1302 * any hardware specific handlers as well.
1304 static void iwl_setup_rx_handlers(struct iwl_priv
*priv
)
1306 priv
->rx_handlers
[REPLY_ALIVE
] = iwl_rx_reply_alive
;
1307 priv
->rx_handlers
[REPLY_ERROR
] = iwl4965_rx_reply_error
;
1308 priv
->rx_handlers
[CHANNEL_SWITCH_NOTIFICATION
] = iwl4965_rx_csa
;
1309 priv
->rx_handlers
[SPECTRUM_MEASURE_NOTIFICATION
] =
1310 iwl4965_rx_spectrum_measure_notif
;
1311 priv
->rx_handlers
[PM_SLEEP_NOTIFICATION
] = iwl4965_rx_pm_sleep_notif
;
1312 priv
->rx_handlers
[PM_DEBUG_STATISTIC_NOTIFIC
] =
1313 iwl4965_rx_pm_debug_statistics_notif
;
1314 priv
->rx_handlers
[BEACON_NOTIFICATION
] = iwl4965_rx_beacon_notif
;
1317 * The same handler is used for both the REPLY to a discrete
1318 * statistics request from the host as well as for the periodic
1319 * statistics notifications (after received beacons) from the uCode.
1321 priv
->rx_handlers
[REPLY_STATISTICS_CMD
] = iwl_rx_statistics
;
1322 priv
->rx_handlers
[STATISTICS_NOTIFICATION
] = iwl_rx_statistics
;
1324 iwl_setup_rx_scan_handlers(priv
);
1326 /* status change handler */
1327 priv
->rx_handlers
[CARD_STATE_NOTIFICATION
] = iwl4965_rx_card_state_notif
;
1329 priv
->rx_handlers
[MISSED_BEACONS_NOTIFICATION
] =
1330 iwl_rx_missed_beacon_notif
;
1332 priv
->rx_handlers
[REPLY_RX_PHY_CMD
] = iwl_rx_reply_rx_phy
;
1333 priv
->rx_handlers
[REPLY_RX_MPDU_CMD
] = iwl_rx_reply_rx
;
1335 priv
->rx_handlers
[REPLY_COMPRESSED_BA
] = iwl_rx_reply_compressed_ba
;
1336 /* Set up hardware specific Rx handlers */
1337 priv
->cfg
->ops
->lib
->rx_handler_setup(priv
);
1341 * this should be called while priv->lock is locked
1343 static void __iwl_rx_replenish(struct iwl_priv
*priv
)
1345 iwl_rx_allocate(priv
);
1346 iwl_rx_queue_restock(priv
);
1351 * iwl_rx_handle - Main entry function for receiving responses from uCode
1353 * Uses the priv->rx_handlers callback function array to invoke
1354 * the appropriate handlers, including command responses,
1355 * frame-received notifications, and other notifications.
1357 void iwl_rx_handle(struct iwl_priv
*priv
)
1359 struct iwl_rx_mem_buffer
*rxb
;
1360 struct iwl_rx_packet
*pkt
;
1361 struct iwl_rx_queue
*rxq
= &priv
->rxq
;
1364 unsigned long flags
;
1368 /* uCode's read index (stored in shared DRAM) indicates the last Rx
1369 * buffer that the driver may process (last buffer filled by ucode). */
1370 r
= priv
->cfg
->ops
->lib
->shared_mem_rx_idx(priv
);
1373 /* Rx interrupt, but nothing sent from uCode */
1375 IWL_DEBUG(IWL_DL_RX
, "r = %d, i = %d\n", r
, i
);
1377 if (iwl_rx_queue_space(rxq
) > (RX_QUEUE_SIZE
/ 2))
1381 rxb
= rxq
->queue
[i
];
1383 /* If an RXB doesn't have a Rx queue slot associated with it,
1384 * then a bug has been introduced in the queue refilling
1385 * routines -- catch it here */
1386 BUG_ON(rxb
== NULL
);
1388 rxq
->queue
[i
] = NULL
;
1390 pci_dma_sync_single_for_cpu(priv
->pci_dev
, rxb
->dma_addr
,
1391 priv
->hw_params
.rx_buf_size
,
1392 PCI_DMA_FROMDEVICE
);
1393 pkt
= (struct iwl_rx_packet
*)rxb
->skb
->data
;
1395 /* Reclaim a command buffer only if this packet is a response
1396 * to a (driver-originated) command.
1397 * If the packet (e.g. Rx frame) originated from uCode,
1398 * there is no command buffer to reclaim.
1399 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
1400 * but apparently a few don't get set; catch them here. */
1401 reclaim
= !(pkt
->hdr
.sequence
& SEQ_RX_FRAME
) &&
1402 (pkt
->hdr
.cmd
!= REPLY_RX_PHY_CMD
) &&
1403 (pkt
->hdr
.cmd
!= REPLY_RX
) &&
1404 (pkt
->hdr
.cmd
!= REPLY_COMPRESSED_BA
) &&
1405 (pkt
->hdr
.cmd
!= STATISTICS_NOTIFICATION
) &&
1406 (pkt
->hdr
.cmd
!= REPLY_TX
);
1408 /* Based on type of command response or notification,
1409 * handle those that need handling via function in
1410 * rx_handlers table. See iwl4965_setup_rx_handlers() */
1411 if (priv
->rx_handlers
[pkt
->hdr
.cmd
]) {
1412 IWL_DEBUG(IWL_DL_RX
, "r = %d, i = %d, %s, 0x%02x\n", r
,
1413 i
, get_cmd_string(pkt
->hdr
.cmd
), pkt
->hdr
.cmd
);
1414 priv
->rx_handlers
[pkt
->hdr
.cmd
] (priv
, rxb
);
1416 /* No handling needed */
1417 IWL_DEBUG(IWL_DL_RX
,
1418 "r %d i %d No handler needed for %s, 0x%02x\n",
1419 r
, i
, get_cmd_string(pkt
->hdr
.cmd
),
1424 /* Invoke any callbacks, transfer the skb to caller, and
1425 * fire off the (possibly) blocking iwl_send_cmd()
1426 * as we reclaim the driver command queue */
1427 if (rxb
&& rxb
->skb
)
1428 iwl_tx_cmd_complete(priv
, rxb
);
1430 IWL_WARNING("Claim null rxb?\n");
1433 /* For now we just don't re-use anything. We can tweak this
1434 * later to try and re-use notification packets and SKBs that
1435 * fail to Rx correctly */
1436 if (rxb
->skb
!= NULL
) {
1437 priv
->alloc_rxb_skb
--;
1438 dev_kfree_skb_any(rxb
->skb
);
1442 pci_unmap_single(priv
->pci_dev
, rxb
->dma_addr
,
1443 priv
->hw_params
.rx_buf_size
,
1444 PCI_DMA_FROMDEVICE
);
1445 spin_lock_irqsave(&rxq
->lock
, flags
);
1446 list_add_tail(&rxb
->list
, &priv
->rxq
.rx_used
);
1447 spin_unlock_irqrestore(&rxq
->lock
, flags
);
1448 i
= (i
+ 1) & RX_QUEUE_MASK
;
1449 /* If there are a lot of unused frames,
1450 * restock the Rx queue so ucode wont assert. */
1455 __iwl_rx_replenish(priv
);
1461 /* Backtrack one entry */
1463 iwl_rx_queue_restock(priv
);
1466 #ifdef CONFIG_IWLWIFI_DEBUG
1467 static void iwl4965_print_rx_config_cmd(struct iwl_priv
*priv
)
1469 struct iwl_rxon_cmd
*rxon
= &priv
->staging_rxon
;
1470 DECLARE_MAC_BUF(mac
);
1472 IWL_DEBUG_RADIO("RX CONFIG:\n");
1473 iwl_print_hex_dump(priv
, IWL_DL_RADIO
, (u8
*) rxon
, sizeof(*rxon
));
1474 IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon
->channel
));
1475 IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon
->flags
));
1476 IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n",
1477 le32_to_cpu(rxon
->filter_flags
));
1478 IWL_DEBUG_RADIO("u8 dev_type: 0x%x\n", rxon
->dev_type
);
1479 IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
1480 rxon
->ofdm_basic_rates
);
1481 IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon
->cck_basic_rates
);
1482 IWL_DEBUG_RADIO("u8[6] node_addr: %s\n",
1483 print_mac(mac
, rxon
->node_addr
));
1484 IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n",
1485 print_mac(mac
, rxon
->bssid_addr
));
1486 IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon
->assoc_id
));
1490 static void iwl4965_enable_interrupts(struct iwl_priv
*priv
)
1492 IWL_DEBUG_ISR("Enabling interrupts\n");
1493 set_bit(STATUS_INT_ENABLED
, &priv
->status
);
1494 iwl_write32(priv
, CSR_INT_MASK
, CSR_INI_SET_MASK
);
1497 /* call this function to flush any scheduled tasklet */
1498 static inline void iwl_synchronize_irq(struct iwl_priv
*priv
)
1500 /* wait to make sure we flush pedding tasklet*/
1501 synchronize_irq(priv
->pci_dev
->irq
);
1502 tasklet_kill(&priv
->irq_tasklet
);
1505 static inline void iwl4965_disable_interrupts(struct iwl_priv
*priv
)
1507 clear_bit(STATUS_INT_ENABLED
, &priv
->status
);
1509 /* disable interrupts from uCode/NIC to host */
1510 iwl_write32(priv
, CSR_INT_MASK
, 0x00000000);
1512 /* acknowledge/clear/reset any interrupts still pending
1513 * from uCode or flow handler (Rx/Tx DMA) */
1514 iwl_write32(priv
, CSR_INT
, 0xffffffff);
1515 iwl_write32(priv
, CSR_FH_INT_STATUS
, 0xffffffff);
1516 IWL_DEBUG_ISR("Disabled interrupts\n");
1521 * iwl4965_irq_handle_error - called for HW or SW error interrupt from card
1523 static void iwl4965_irq_handle_error(struct iwl_priv
*priv
)
1525 /* Set the FW error flag -- cleared on iwl4965_down */
1526 set_bit(STATUS_FW_ERROR
, &priv
->status
);
1528 /* Cancel currently queued command. */
1529 clear_bit(STATUS_HCMD_ACTIVE
, &priv
->status
);
1531 #ifdef CONFIG_IWLWIFI_DEBUG
1532 if (priv
->debug_level
& IWL_DL_FW_ERRORS
) {
1533 iwl_dump_nic_error_log(priv
);
1534 iwl_dump_nic_event_log(priv
);
1535 iwl4965_print_rx_config_cmd(priv
);
1539 wake_up_interruptible(&priv
->wait_command_queue
);
1541 /* Keep the restart process from trying to send host
1542 * commands by clearing the INIT status bit */
1543 clear_bit(STATUS_READY
, &priv
->status
);
1545 if (!test_bit(STATUS_EXIT_PENDING
, &priv
->status
)) {
1546 IWL_DEBUG(IWL_DL_FW_ERRORS
,
1547 "Restarting adapter due to uCode error.\n");
1549 if (iwl_is_associated(priv
)) {
1550 memcpy(&priv
->recovery_rxon
, &priv
->active_rxon
,
1551 sizeof(priv
->recovery_rxon
));
1552 priv
->error_recovering
= 1;
1554 if (priv
->cfg
->mod_params
->restart_fw
)
1555 queue_work(priv
->workqueue
, &priv
->restart
);
1559 static void iwl4965_error_recovery(struct iwl_priv
*priv
)
1561 unsigned long flags
;
1563 memcpy(&priv
->staging_rxon
, &priv
->recovery_rxon
,
1564 sizeof(priv
->staging_rxon
));
1565 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
1566 iwl4965_commit_rxon(priv
);
1568 iwl_rxon_add_station(priv
, priv
->bssid
, 1);
1570 spin_lock_irqsave(&priv
->lock
, flags
);
1571 priv
->assoc_id
= le16_to_cpu(priv
->staging_rxon
.assoc_id
);
1572 priv
->error_recovering
= 0;
1573 spin_unlock_irqrestore(&priv
->lock
, flags
);
1576 static void iwl4965_irq_tasklet(struct iwl_priv
*priv
)
1578 u32 inta
, handled
= 0;
1580 unsigned long flags
;
1581 #ifdef CONFIG_IWLWIFI_DEBUG
1585 spin_lock_irqsave(&priv
->lock
, flags
);
1587 /* Ack/clear/reset pending uCode interrupts.
1588 * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
1589 * and will clear only when CSR_FH_INT_STATUS gets cleared. */
1590 inta
= iwl_read32(priv
, CSR_INT
);
1591 iwl_write32(priv
, CSR_INT
, inta
);
1593 /* Ack/clear/reset pending flow-handler (DMA) interrupts.
1594 * Any new interrupts that happen after this, either while we're
1595 * in this tasklet, or later, will show up in next ISR/tasklet. */
1596 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1597 iwl_write32(priv
, CSR_FH_INT_STATUS
, inta_fh
);
1599 #ifdef CONFIG_IWLWIFI_DEBUG
1600 if (priv
->debug_level
& IWL_DL_ISR
) {
1601 /* just for debug */
1602 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
);
1603 IWL_DEBUG_ISR("inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
1604 inta
, inta_mask
, inta_fh
);
1608 /* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
1609 * atomic, make sure that inta covers all the interrupts that
1610 * we've discovered, even if FH interrupt came in just after
1611 * reading CSR_INT. */
1612 if (inta_fh
& CSR49_FH_INT_RX_MASK
)
1613 inta
|= CSR_INT_BIT_FH_RX
;
1614 if (inta_fh
& CSR49_FH_INT_TX_MASK
)
1615 inta
|= CSR_INT_BIT_FH_TX
;
1617 /* Now service all interrupt bits discovered above. */
1618 if (inta
& CSR_INT_BIT_HW_ERR
) {
1619 IWL_ERROR("Microcode HW error detected. Restarting.\n");
1621 /* Tell the device to stop sending interrupts */
1622 iwl4965_disable_interrupts(priv
);
1624 iwl4965_irq_handle_error(priv
);
1626 handled
|= CSR_INT_BIT_HW_ERR
;
1628 spin_unlock_irqrestore(&priv
->lock
, flags
);
1633 #ifdef CONFIG_IWLWIFI_DEBUG
1634 if (priv
->debug_level
& (IWL_DL_ISR
)) {
1635 /* NIC fires this, but we don't use it, redundant with WAKEUP */
1636 if (inta
& CSR_INT_BIT_SCD
)
1637 IWL_DEBUG_ISR("Scheduler finished to transmit "
1638 "the frame/frames.\n");
1640 /* Alive notification via Rx interrupt will do the real work */
1641 if (inta
& CSR_INT_BIT_ALIVE
)
1642 IWL_DEBUG_ISR("Alive interrupt\n");
1645 /* Safely ignore these bits for debug checks below */
1646 inta
&= ~(CSR_INT_BIT_SCD
| CSR_INT_BIT_ALIVE
);
1648 /* HW RF KILL switch toggled */
1649 if (inta
& CSR_INT_BIT_RF_KILL
) {
1651 if (!(iwl_read32(priv
, CSR_GP_CNTRL
) &
1652 CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW
))
1655 IWL_DEBUG(IWL_DL_RF_KILL
, "RF_KILL bit toggled to %s.\n",
1656 hw_rf_kill
? "disable radio":"enable radio");
1658 /* driver only loads ucode once setting the interface up.
1659 * the driver as well won't allow loading if RFKILL is set
1660 * therefore no need to restart the driver from this handler
1662 if (!hw_rf_kill
&& !test_bit(STATUS_ALIVE
, &priv
->status
))
1663 clear_bit(STATUS_RF_KILL_HW
, &priv
->status
);
1665 handled
|= CSR_INT_BIT_RF_KILL
;
1668 /* Chip got too hot and stopped itself */
1669 if (inta
& CSR_INT_BIT_CT_KILL
) {
1670 IWL_ERROR("Microcode CT kill error detected.\n");
1671 handled
|= CSR_INT_BIT_CT_KILL
;
1674 /* Error detected by uCode */
1675 if (inta
& CSR_INT_BIT_SW_ERR
) {
1676 IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n",
1678 iwl4965_irq_handle_error(priv
);
1679 handled
|= CSR_INT_BIT_SW_ERR
;
1682 /* uCode wakes up after power-down sleep */
1683 if (inta
& CSR_INT_BIT_WAKEUP
) {
1684 IWL_DEBUG_ISR("Wakeup interrupt\n");
1685 iwl_rx_queue_update_write_ptr(priv
, &priv
->rxq
);
1686 iwl_txq_update_write_ptr(priv
, &priv
->txq
[0]);
1687 iwl_txq_update_write_ptr(priv
, &priv
->txq
[1]);
1688 iwl_txq_update_write_ptr(priv
, &priv
->txq
[2]);
1689 iwl_txq_update_write_ptr(priv
, &priv
->txq
[3]);
1690 iwl_txq_update_write_ptr(priv
, &priv
->txq
[4]);
1691 iwl_txq_update_write_ptr(priv
, &priv
->txq
[5]);
1693 handled
|= CSR_INT_BIT_WAKEUP
;
1696 /* All uCode command responses, including Tx command responses,
1697 * Rx "responses" (frame-received notification), and other
1698 * notifications from uCode come through here*/
1699 if (inta
& (CSR_INT_BIT_FH_RX
| CSR_INT_BIT_SW_RX
)) {
1700 iwl_rx_handle(priv
);
1701 handled
|= (CSR_INT_BIT_FH_RX
| CSR_INT_BIT_SW_RX
);
1704 if (inta
& CSR_INT_BIT_FH_TX
) {
1705 IWL_DEBUG_ISR("Tx interrupt\n");
1706 handled
|= CSR_INT_BIT_FH_TX
;
1707 /* FH finished to write, send event */
1708 priv
->ucode_write_complete
= 1;
1709 wake_up_interruptible(&priv
->wait_command_queue
);
1712 if (inta
& ~handled
)
1713 IWL_ERROR("Unhandled INTA bits 0x%08x\n", inta
& ~handled
);
1715 if (inta
& ~CSR_INI_SET_MASK
) {
1716 IWL_WARNING("Disabled INTA bits 0x%08x were pending\n",
1717 inta
& ~CSR_INI_SET_MASK
);
1718 IWL_WARNING(" with FH_INT = 0x%08x\n", inta_fh
);
1721 /* Re-enable all interrupts */
1722 /* only Re-enable if diabled by irq */
1723 if (test_bit(STATUS_INT_ENABLED
, &priv
->status
))
1724 iwl4965_enable_interrupts(priv
);
1726 #ifdef CONFIG_IWLWIFI_DEBUG
1727 if (priv
->debug_level
& (IWL_DL_ISR
)) {
1728 inta
= iwl_read32(priv
, CSR_INT
);
1729 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
);
1730 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1731 IWL_DEBUG_ISR("End inta 0x%08x, enabled 0x%08x, fh 0x%08x, "
1732 "flags 0x%08lx\n", inta
, inta_mask
, inta_fh
, flags
);
1735 spin_unlock_irqrestore(&priv
->lock
, flags
);
1738 static irqreturn_t
iwl4965_isr(int irq
, void *data
)
1740 struct iwl_priv
*priv
= data
;
1741 u32 inta
, inta_mask
;
1746 spin_lock(&priv
->lock
);
1748 /* Disable (but don't clear!) interrupts here to avoid
1749 * back-to-back ISRs and sporadic interrupts from our NIC.
1750 * If we have something to service, the tasklet will re-enable ints.
1751 * If we *don't* have something, we'll re-enable before leaving here. */
1752 inta_mask
= iwl_read32(priv
, CSR_INT_MASK
); /* just for debug */
1753 iwl_write32(priv
, CSR_INT_MASK
, 0x00000000);
1755 /* Discover which interrupts are active/pending */
1756 inta
= iwl_read32(priv
, CSR_INT
);
1757 inta_fh
= iwl_read32(priv
, CSR_FH_INT_STATUS
);
1759 /* Ignore interrupt if there's nothing in NIC to service.
1760 * This may be due to IRQ shared with another device,
1761 * or due to sporadic interrupts thrown from our NIC. */
1762 if (!inta
&& !inta_fh
) {
1763 IWL_DEBUG_ISR("Ignore interrupt, inta == 0, inta_fh == 0\n");
1767 if ((inta
== 0xFFFFFFFF) || ((inta
& 0xFFFFFFF0) == 0xa5a5a5a0)) {
1768 /* Hardware disappeared. It might have already raised
1770 IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta
);
1774 IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
1775 inta
, inta_mask
, inta_fh
);
1777 inta
&= ~CSR_INT_BIT_SCD
;
1779 /* iwl4965_irq_tasklet() will service interrupts and re-enable them */
1780 if (likely(inta
|| inta_fh
))
1781 tasklet_schedule(&priv
->irq_tasklet
);
1784 spin_unlock(&priv
->lock
);
1788 /* re-enable interrupts here since we don't have anything to service. */
1789 /* only Re-enable if diabled by irq */
1790 if (test_bit(STATUS_INT_ENABLED
, &priv
->status
))
1791 iwl4965_enable_interrupts(priv
);
1792 spin_unlock(&priv
->lock
);
1796 /******************************************************************************
1798 * uCode download functions
1800 ******************************************************************************/
1802 static void iwl4965_dealloc_ucode_pci(struct iwl_priv
*priv
)
1804 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_code
);
1805 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_data
);
1806 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_data_backup
);
1807 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_init
);
1808 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_init_data
);
1809 iwl_free_fw_desc(priv
->pci_dev
, &priv
->ucode_boot
);
1812 static void iwl4965_nic_start(struct iwl_priv
*priv
)
1814 /* Remove all resets to allow NIC to operate */
1815 iwl_write32(priv
, CSR_RESET
, 0);
1820 * iwl4965_read_ucode - Read uCode images from disk file.
1822 * Copy into buffers for card to fetch via bus-mastering
1824 static int iwl4965_read_ucode(struct iwl_priv
*priv
)
1826 struct iwl_ucode
*ucode
;
1828 const struct firmware
*ucode_raw
;
1829 const char *name
= priv
->cfg
->fw_name
;
1832 u32 ver
, inst_size
, data_size
, init_size
, init_data_size
, boot_size
;
1834 /* Ask kernel firmware_class module to get the boot firmware off disk.
1835 * request_firmware() is synchronous, file is in memory on return. */
1836 ret
= request_firmware(&ucode_raw
, name
, &priv
->pci_dev
->dev
);
1838 IWL_ERROR("%s firmware file req failed: Reason %d\n",
1843 IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n",
1844 name
, ucode_raw
->size
);
1846 /* Make sure that we got at least our header! */
1847 if (ucode_raw
->size
< sizeof(*ucode
)) {
1848 IWL_ERROR("File size way too small!\n");
1853 /* Data from ucode file: header followed by uCode images */
1854 ucode
= (void *)ucode_raw
->data
;
1856 ver
= le32_to_cpu(ucode
->ver
);
1857 inst_size
= le32_to_cpu(ucode
->inst_size
);
1858 data_size
= le32_to_cpu(ucode
->data_size
);
1859 init_size
= le32_to_cpu(ucode
->init_size
);
1860 init_data_size
= le32_to_cpu(ucode
->init_data_size
);
1861 boot_size
= le32_to_cpu(ucode
->boot_size
);
1863 IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver
);
1864 IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n",
1866 IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n",
1868 IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n",
1870 IWL_DEBUG_INFO("f/w package hdr init data size = %u\n",
1872 IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n",
1875 /* Verify size of file vs. image size info in file's header */
1876 if (ucode_raw
->size
< sizeof(*ucode
) +
1877 inst_size
+ data_size
+ init_size
+
1878 init_data_size
+ boot_size
) {
1880 IWL_DEBUG_INFO("uCode file size %d too small\n",
1881 (int)ucode_raw
->size
);
1886 /* Verify that uCode images will fit in card's SRAM */
1887 if (inst_size
> priv
->hw_params
.max_inst_size
) {
1888 IWL_DEBUG_INFO("uCode instr len %d too large to fit in\n",
1894 if (data_size
> priv
->hw_params
.max_data_size
) {
1895 IWL_DEBUG_INFO("uCode data len %d too large to fit in\n",
1900 if (init_size
> priv
->hw_params
.max_inst_size
) {
1902 ("uCode init instr len %d too large to fit in\n",
1907 if (init_data_size
> priv
->hw_params
.max_data_size
) {
1909 ("uCode init data len %d too large to fit in\n",
1914 if (boot_size
> priv
->hw_params
.max_bsm_size
) {
1916 ("uCode boot instr len %d too large to fit in\n",
1922 /* Allocate ucode buffers for card's bus-master loading ... */
1924 /* Runtime instructions and 2 copies of data:
1925 * 1) unmodified from disk
1926 * 2) backup cache for save/restore during power-downs */
1927 priv
->ucode_code
.len
= inst_size
;
1928 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_code
);
1930 priv
->ucode_data
.len
= data_size
;
1931 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_data
);
1933 priv
->ucode_data_backup
.len
= data_size
;
1934 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_data_backup
);
1936 /* Initialization instructions and data */
1937 if (init_size
&& init_data_size
) {
1938 priv
->ucode_init
.len
= init_size
;
1939 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_init
);
1941 priv
->ucode_init_data
.len
= init_data_size
;
1942 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_init_data
);
1944 if (!priv
->ucode_init
.v_addr
|| !priv
->ucode_init_data
.v_addr
)
1948 /* Bootstrap (instructions only, no data) */
1950 priv
->ucode_boot
.len
= boot_size
;
1951 iwl_alloc_fw_desc(priv
->pci_dev
, &priv
->ucode_boot
);
1953 if (!priv
->ucode_boot
.v_addr
)
1957 /* Copy images into buffers for card's bus-master reads ... */
1959 /* Runtime instructions (first block of data in file) */
1960 src
= &ucode
->data
[0];
1961 len
= priv
->ucode_code
.len
;
1962 IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %Zd\n", len
);
1963 memcpy(priv
->ucode_code
.v_addr
, src
, len
);
1964 IWL_DEBUG_INFO("uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
1965 priv
->ucode_code
.v_addr
, (u32
)priv
->ucode_code
.p_addr
);
1967 /* Runtime data (2nd block)
1968 * NOTE: Copy into backup buffer will be done in iwl4965_up() */
1969 src
= &ucode
->data
[inst_size
];
1970 len
= priv
->ucode_data
.len
;
1971 IWL_DEBUG_INFO("Copying (but not loading) uCode data len %Zd\n", len
);
1972 memcpy(priv
->ucode_data
.v_addr
, src
, len
);
1973 memcpy(priv
->ucode_data_backup
.v_addr
, src
, len
);
1975 /* Initialization instructions (3rd block) */
1977 src
= &ucode
->data
[inst_size
+ data_size
];
1978 len
= priv
->ucode_init
.len
;
1979 IWL_DEBUG_INFO("Copying (but not loading) init instr len %Zd\n",
1981 memcpy(priv
->ucode_init
.v_addr
, src
, len
);
1984 /* Initialization data (4th block) */
1985 if (init_data_size
) {
1986 src
= &ucode
->data
[inst_size
+ data_size
+ init_size
];
1987 len
= priv
->ucode_init_data
.len
;
1988 IWL_DEBUG_INFO("Copying (but not loading) init data len %Zd\n",
1990 memcpy(priv
->ucode_init_data
.v_addr
, src
, len
);
1993 /* Bootstrap instructions (5th block) */
1994 src
= &ucode
->data
[inst_size
+ data_size
+ init_size
+ init_data_size
];
1995 len
= priv
->ucode_boot
.len
;
1996 IWL_DEBUG_INFO("Copying (but not loading) boot instr len %Zd\n", len
);
1997 memcpy(priv
->ucode_boot
.v_addr
, src
, len
);
1999 /* We have our copies now, allow OS release its copies */
2000 release_firmware(ucode_raw
);
2004 IWL_ERROR("failed to allocate pci memory\n");
2006 iwl4965_dealloc_ucode_pci(priv
);
2009 release_firmware(ucode_raw
);
2016 * iwl_alive_start - called after REPLY_ALIVE notification received
2017 * from protocol/runtime uCode (initialization uCode's
2018 * Alive gets handled by iwl_init_alive_start()).
2020 static void iwl_alive_start(struct iwl_priv
*priv
)
2024 IWL_DEBUG_INFO("Runtime Alive received.\n");
2026 if (priv
->card_alive
.is_valid
!= UCODE_VALID_OK
) {
2027 /* We had an error bringing up the hardware, so take it
2028 * all the way back down so we can try again */
2029 IWL_DEBUG_INFO("Alive failed.\n");
2033 /* Initialize uCode has loaded Runtime uCode ... verify inst image.
2034 * This is a paranoid check, because we would not have gotten the
2035 * "runtime" alive if code weren't properly loaded. */
2036 if (iwl_verify_ucode(priv
)) {
2037 /* Runtime instruction load was bad;
2038 * take it all the way back down so we can try again */
2039 IWL_DEBUG_INFO("Bad runtime uCode load.\n");
2043 iwl_clear_stations_table(priv
);
2044 ret
= priv
->cfg
->ops
->lib
->alive_notify(priv
);
2046 IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n",
2051 /* After the ALIVE response, we can send host commands to 4965 uCode */
2052 set_bit(STATUS_ALIVE
, &priv
->status
);
2054 if (iwl_is_rfkill(priv
))
2057 ieee80211_wake_queues(priv
->hw
);
2059 priv
->active_rate
= priv
->rates_mask
;
2060 priv
->active_rate_basic
= priv
->rates_mask
& IWL_BASIC_RATES_MASK
;
2062 if (iwl_is_associated(priv
)) {
2063 struct iwl_rxon_cmd
*active_rxon
=
2064 (struct iwl_rxon_cmd
*)&priv
->active_rxon
;
2066 memcpy(&priv
->staging_rxon
, &priv
->active_rxon
,
2067 sizeof(priv
->staging_rxon
));
2068 active_rxon
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2070 /* Initialize our rx_config data */
2071 iwl4965_connection_init_rx_config(priv
);
2072 memcpy(priv
->staging_rxon
.node_addr
, priv
->mac_addr
, ETH_ALEN
);
2075 /* Configure Bluetooth device coexistence support */
2076 iwl4965_send_bt_config(priv
);
2078 iwl_reset_run_time_calib(priv
);
2080 /* Configure the adapter for unassociated operation */
2081 iwl4965_commit_rxon(priv
);
2083 /* At this point, the NIC is initialized and operational */
2084 iwl_rf_kill_ct_config(priv
);
2086 iwl_leds_register(priv
);
2088 IWL_DEBUG_INFO("ALIVE processing complete.\n");
2089 set_bit(STATUS_READY
, &priv
->status
);
2090 wake_up_interruptible(&priv
->wait_command_queue
);
2092 if (priv
->error_recovering
)
2093 iwl4965_error_recovery(priv
);
2095 iwl_power_update_mode(priv
, 1);
2096 ieee80211_notify_mac(priv
->hw
, IEEE80211_NOTIFY_RE_ASSOC
);
2098 if (test_and_clear_bit(STATUS_MODE_PENDING
, &priv
->status
))
2099 iwl4965_set_mode(priv
, priv
->iw_mode
);
2104 queue_work(priv
->workqueue
, &priv
->restart
);
2107 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
);
2109 static void __iwl4965_down(struct iwl_priv
*priv
)
2111 unsigned long flags
;
2112 int exit_pending
= test_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2114 IWL_DEBUG_INFO(DRV_NAME
" is going down\n");
2117 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2119 iwl_leds_unregister(priv
);
2121 iwl_clear_stations_table(priv
);
2123 /* Unblock any waiting calls */
2124 wake_up_interruptible_all(&priv
->wait_command_queue
);
2126 /* Wipe out the EXIT_PENDING status bit if we are not actually
2127 * exiting the module */
2129 clear_bit(STATUS_EXIT_PENDING
, &priv
->status
);
2131 /* stop and reset the on-board processor */
2132 iwl_write32(priv
, CSR_RESET
, CSR_RESET_REG_FLAG_NEVO_RESET
);
2134 /* tell the device to stop sending interrupts */
2135 spin_lock_irqsave(&priv
->lock
, flags
);
2136 iwl4965_disable_interrupts(priv
);
2137 spin_unlock_irqrestore(&priv
->lock
, flags
);
2138 iwl_synchronize_irq(priv
);
2140 if (priv
->mac80211_registered
)
2141 ieee80211_stop_queues(priv
->hw
);
2143 /* If we have not previously called iwl4965_init() then
2144 * clear all bits but the RF Kill and SUSPEND bits and return */
2145 if (!iwl_is_init(priv
)) {
2146 priv
->status
= test_bit(STATUS_RF_KILL_HW
, &priv
->status
) <<
2148 test_bit(STATUS_RF_KILL_SW
, &priv
->status
) <<
2150 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
) <<
2151 STATUS_GEO_CONFIGURED
|
2152 test_bit(STATUS_IN_SUSPEND
, &priv
->status
) <<
2154 test_bit(STATUS_EXIT_PENDING
, &priv
->status
) <<
2155 STATUS_EXIT_PENDING
;
2159 /* ...otherwise clear out all the status bits but the RF Kill and
2160 * SUSPEND bits and continue taking the NIC down. */
2161 priv
->status
&= test_bit(STATUS_RF_KILL_HW
, &priv
->status
) <<
2163 test_bit(STATUS_RF_KILL_SW
, &priv
->status
) <<
2165 test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
) <<
2166 STATUS_GEO_CONFIGURED
|
2167 test_bit(STATUS_IN_SUSPEND
, &priv
->status
) <<
2169 test_bit(STATUS_FW_ERROR
, &priv
->status
) <<
2171 test_bit(STATUS_EXIT_PENDING
, &priv
->status
) <<
2172 STATUS_EXIT_PENDING
;
2174 spin_lock_irqsave(&priv
->lock
, flags
);
2175 iwl_clear_bit(priv
, CSR_GP_CNTRL
,
2176 CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ
);
2177 spin_unlock_irqrestore(&priv
->lock
, flags
);
2179 iwl_txq_ctx_stop(priv
);
2182 spin_lock_irqsave(&priv
->lock
, flags
);
2183 if (!iwl_grab_nic_access(priv
)) {
2184 iwl_write_prph(priv
, APMG_CLK_DIS_REG
,
2185 APMG_CLK_VAL_DMA_CLK_RQT
);
2186 iwl_release_nic_access(priv
);
2188 spin_unlock_irqrestore(&priv
->lock
, flags
);
2192 /* FIXME: apm_ops.suspend(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_scan_cancel_timeout(priv
, 200);
2491 conf
= ieee80211_get_hw_conf(priv
->hw
);
2493 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2494 iwl4965_commit_rxon(priv
);
2496 memset(&priv
->rxon_timing
, 0, sizeof(struct iwl4965_rxon_time_cmd
));
2497 iwl4965_setup_rxon_timing(priv
);
2498 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON_TIMING
,
2499 sizeof(priv
->rxon_timing
), &priv
->rxon_timing
);
2501 IWL_WARNING("REPLY_RXON_TIMING failed - "
2502 "Attempting to continue.\n");
2504 priv
->staging_rxon
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2506 if (priv
->current_ht_config
.is_ht
)
2507 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
2509 iwl_set_rxon_chain(priv
);
2510 priv
->staging_rxon
.assoc_id
= cpu_to_le16(priv
->assoc_id
);
2512 IWL_DEBUG_ASSOC("assoc id %d beacon interval %d\n",
2513 priv
->assoc_id
, priv
->beacon_int
);
2515 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
)
2516 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
2518 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2520 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) {
2521 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_SLOT_TIME
)
2522 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
2524 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2526 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
2527 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
2531 iwl4965_commit_rxon(priv
);
2533 switch (priv
->iw_mode
) {
2534 case IEEE80211_IF_TYPE_STA
:
2537 case IEEE80211_IF_TYPE_IBSS
:
2539 /* assume default assoc id */
2542 iwl_rxon_add_station(priv
, priv
->bssid
, 0);
2543 iwl4965_send_beacon_cmd(priv
);
2548 IWL_ERROR("%s Should not be called in %d mode\n",
2549 __func__
, priv
->iw_mode
);
2553 /* Enable Rx differential gain and sensitivity calibrations */
2554 iwl_chain_noise_reset(priv
);
2555 priv
->start_calib
= 1;
2557 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
2558 priv
->assoc_station_added
= 1;
2560 spin_lock_irqsave(&priv
->lock
, flags
);
2561 iwl_activate_qos(priv
, 0);
2562 spin_unlock_irqrestore(&priv
->lock
, flags
);
2564 iwl_power_update_mode(priv
, 0);
2565 /* we have just associated, don't start scan too early */
2566 priv
->next_scan_jiffies
= jiffies
+ IWL_DELAY_NEXT_SCAN
;
2569 static int iwl4965_mac_config(struct ieee80211_hw
*hw
, struct ieee80211_conf
*conf
);
2571 static void iwl_bg_scan_completed(struct work_struct
*work
)
2573 struct iwl_priv
*priv
=
2574 container_of(work
, struct iwl_priv
, scan_completed
);
2576 IWL_DEBUG_SCAN("SCAN complete scan\n");
2578 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2581 if (test_bit(STATUS_CONF_PENDING
, &priv
->status
))
2582 iwl4965_mac_config(priv
->hw
, ieee80211_get_hw_conf(priv
->hw
));
2584 ieee80211_scan_completed(priv
->hw
);
2586 /* Since setting the TXPOWER may have been deferred while
2587 * performing the scan, fire one off */
2588 mutex_lock(&priv
->mutex
);
2589 iwl_set_tx_power(priv
, priv
->tx_power_user_lmt
, true);
2590 mutex_unlock(&priv
->mutex
);
2593 /*****************************************************************************
2595 * mac80211 entry point functions
2597 *****************************************************************************/
2599 #define UCODE_READY_TIMEOUT (4 * HZ)
2601 static int iwl4965_mac_start(struct ieee80211_hw
*hw
)
2603 struct iwl_priv
*priv
= hw
->priv
;
2607 IWL_DEBUG_MAC80211("enter\n");
2609 if (pci_enable_device(priv
->pci_dev
)) {
2610 IWL_ERROR("Fail to pci_enable_device\n");
2613 pci_restore_state(priv
->pci_dev
);
2614 pci_enable_msi(priv
->pci_dev
);
2616 /* enable interrupts if needed: hw bug w/a */
2617 pci_read_config_word(priv
->pci_dev
, PCI_COMMAND
, &pci_cmd
);
2618 if (pci_cmd
& PCI_COMMAND_INTX_DISABLE
) {
2619 pci_cmd
&= ~PCI_COMMAND_INTX_DISABLE
;
2620 pci_write_config_word(priv
->pci_dev
, PCI_COMMAND
, pci_cmd
);
2623 ret
= request_irq(priv
->pci_dev
->irq
, iwl4965_isr
, IRQF_SHARED
,
2626 IWL_ERROR("Error allocating IRQ %d\n", priv
->pci_dev
->irq
);
2627 goto out_disable_msi
;
2630 /* we should be verifying the device is ready to be opened */
2631 mutex_lock(&priv
->mutex
);
2633 memset(&priv
->staging_rxon
, 0, sizeof(struct iwl_rxon_cmd
));
2634 /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
2635 * ucode filename and max sizes are card-specific. */
2637 if (!priv
->ucode_code
.len
) {
2638 ret
= iwl4965_read_ucode(priv
);
2640 IWL_ERROR("Could not read microcode: %d\n", ret
);
2641 mutex_unlock(&priv
->mutex
);
2642 goto out_release_irq
;
2646 ret
= __iwl4965_up(priv
);
2648 mutex_unlock(&priv
->mutex
);
2650 iwl_rfkill_set_hw_state(priv
);
2653 goto out_release_irq
;
2655 if (iwl_is_rfkill(priv
))
2658 IWL_DEBUG_INFO("Start UP work done.\n");
2660 if (test_bit(STATUS_IN_SUSPEND
, &priv
->status
))
2663 /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from
2664 * mac80211 will not be run successfully. */
2665 ret
= wait_event_interruptible_timeout(priv
->wait_command_queue
,
2666 test_bit(STATUS_READY
, &priv
->status
),
2667 UCODE_READY_TIMEOUT
);
2669 if (!test_bit(STATUS_READY
, &priv
->status
)) {
2670 IWL_ERROR("START_ALIVE timeout after %dms.\n",
2671 jiffies_to_msecs(UCODE_READY_TIMEOUT
));
2673 goto out_release_irq
;
2679 IWL_DEBUG_MAC80211("leave\n");
2683 free_irq(priv
->pci_dev
->irq
, priv
);
2685 pci_disable_msi(priv
->pci_dev
);
2686 pci_disable_device(priv
->pci_dev
);
2688 IWL_DEBUG_MAC80211("leave - failed\n");
2692 static void iwl4965_mac_stop(struct ieee80211_hw
*hw
)
2694 struct iwl_priv
*priv
= hw
->priv
;
2696 IWL_DEBUG_MAC80211("enter\n");
2698 if (!priv
->is_open
) {
2699 IWL_DEBUG_MAC80211("leave - skip\n");
2705 if (iwl_is_ready_rf(priv
)) {
2706 /* stop mac, cancel any scan request and clear
2707 * RXON_FILTER_ASSOC_MSK BIT
2709 mutex_lock(&priv
->mutex
);
2710 iwl_scan_cancel_timeout(priv
, 100);
2711 mutex_unlock(&priv
->mutex
);
2716 flush_workqueue(priv
->workqueue
);
2717 free_irq(priv
->pci_dev
->irq
, priv
);
2718 pci_disable_msi(priv
->pci_dev
);
2719 pci_save_state(priv
->pci_dev
);
2720 pci_disable_device(priv
->pci_dev
);
2722 IWL_DEBUG_MAC80211("leave\n");
2725 static int iwl4965_mac_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
2727 struct iwl_priv
*priv
= hw
->priv
;
2729 IWL_DEBUG_MACDUMP("enter\n");
2731 if (priv
->iw_mode
== IEEE80211_IF_TYPE_MNTR
) {
2732 IWL_DEBUG_MAC80211("leave - monitor\n");
2733 dev_kfree_skb_any(skb
);
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 priv
->add_radiotap
= !!(conf
->flags
& IEEE80211_CONF_RADIOTAP
);
2803 if (conf
->radio_enabled
&& iwl_radio_kill_sw_enable_radio(priv
)) {
2804 IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
2808 if (!conf
->radio_enabled
)
2809 iwl_radio_kill_sw_disable_radio(priv
);
2811 if (!iwl_is_ready(priv
)) {
2812 IWL_DEBUG_MAC80211("leave - not ready\n");
2817 if (unlikely(!priv
->cfg
->mod_params
->disable_hw_scan
&&
2818 test_bit(STATUS_SCANNING
, &priv
->status
))) {
2819 IWL_DEBUG_MAC80211("leave - scanning\n");
2820 set_bit(STATUS_CONF_PENDING
, &priv
->status
);
2821 mutex_unlock(&priv
->mutex
);
2825 channel
= ieee80211_frequency_to_channel(conf
->channel
->center_freq
);
2826 ch_info
= iwl_get_channel_info(priv
, conf
->channel
->band
, channel
);
2827 if (!is_channel_valid(ch_info
)) {
2828 IWL_DEBUG_MAC80211("leave - invalid channel\n");
2833 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
&&
2834 !is_channel_ibss(ch_info
)) {
2835 IWL_ERROR("channel %d in band %d not IBSS channel\n",
2836 conf
->channel
->hw_value
, conf
->channel
->band
);
2841 spin_lock_irqsave(&priv
->lock
, flags
);
2844 /* if we are switching from ht to 2.4 clear flags
2845 * from any ht related info since 2.4 does not
2847 if ((le16_to_cpu(priv
->staging_rxon
.channel
) != channel
)
2848 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
2849 && !(conf
->flags
& IEEE80211_CONF_CHANNEL_SWITCH
)
2852 priv
->staging_rxon
.flags
= 0;
2854 iwl_set_rxon_channel(priv
, conf
->channel
->band
, channel
);
2856 iwl_set_flags_for_band(priv
, conf
->channel
->band
);
2858 /* The list of supported rates and rate mask can be different
2859 * for each band; since the band may have changed, reset
2860 * the rate mask to what mac80211 lists */
2861 iwl4965_set_rate(priv
);
2863 spin_unlock_irqrestore(&priv
->lock
, flags
);
2865 #ifdef IEEE80211_CONF_CHANNEL_SWITCH
2866 if (conf
->flags
& IEEE80211_CONF_CHANNEL_SWITCH
) {
2867 iwl4965_hw_channel_switch(priv
, conf
->channel
);
2872 if (!conf
->radio_enabled
) {
2873 IWL_DEBUG_MAC80211("leave - radio disabled\n");
2877 if (iwl_is_rfkill(priv
)) {
2878 IWL_DEBUG_MAC80211("leave - RF kill\n");
2883 IWL_DEBUG_MAC80211("TX Power old=%d new=%d\n",
2884 priv
->tx_power_user_lmt
, conf
->power_level
);
2886 iwl_set_tx_power(priv
, conf
->power_level
, false);
2888 iwl4965_set_rate(priv
);
2890 if (memcmp(&priv
->active_rxon
,
2891 &priv
->staging_rxon
, sizeof(priv
->staging_rxon
)))
2892 iwl4965_commit_rxon(priv
);
2894 IWL_DEBUG_INFO("No re-sending same RXON configuration.\n");
2896 IWL_DEBUG_MAC80211("leave\n");
2899 clear_bit(STATUS_CONF_PENDING
, &priv
->status
);
2900 mutex_unlock(&priv
->mutex
);
2904 static void iwl4965_config_ap(struct iwl_priv
*priv
)
2907 unsigned long flags
;
2909 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
2912 /* The following should be done only at AP bring up */
2913 if (!(iwl_is_associated(priv
))) {
2915 /* RXON - unassoc (to set timing command) */
2916 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
2917 iwl4965_commit_rxon(priv
);
2920 memset(&priv
->rxon_timing
, 0, sizeof(struct iwl4965_rxon_time_cmd
));
2921 iwl4965_setup_rxon_timing(priv
);
2922 ret
= iwl_send_cmd_pdu(priv
, REPLY_RXON_TIMING
,
2923 sizeof(priv
->rxon_timing
), &priv
->rxon_timing
);
2925 IWL_WARNING("REPLY_RXON_TIMING failed - "
2926 "Attempting to continue.\n");
2928 iwl_set_rxon_chain(priv
);
2930 /* FIXME: what should be the assoc_id for AP? */
2931 priv
->staging_rxon
.assoc_id
= cpu_to_le16(priv
->assoc_id
);
2932 if (priv
->assoc_capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
)
2933 priv
->staging_rxon
.flags
|=
2934 RXON_FLG_SHORT_PREAMBLE_MSK
;
2936 priv
->staging_rxon
.flags
&=
2937 ~RXON_FLG_SHORT_PREAMBLE_MSK
;
2939 if (priv
->staging_rxon
.flags
& RXON_FLG_BAND_24G_MSK
) {
2940 if (priv
->assoc_capability
&
2941 WLAN_CAPABILITY_SHORT_SLOT_TIME
)
2942 priv
->staging_rxon
.flags
|=
2943 RXON_FLG_SHORT_SLOT_MSK
;
2945 priv
->staging_rxon
.flags
&=
2946 ~RXON_FLG_SHORT_SLOT_MSK
;
2948 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
)
2949 priv
->staging_rxon
.flags
&=
2950 ~RXON_FLG_SHORT_SLOT_MSK
;
2952 /* restore RXON assoc */
2953 priv
->staging_rxon
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
2954 iwl4965_commit_rxon(priv
);
2955 spin_lock_irqsave(&priv
->lock
, flags
);
2956 iwl_activate_qos(priv
, 1);
2957 spin_unlock_irqrestore(&priv
->lock
, flags
);
2958 iwl_rxon_add_station(priv
, iwl_bcast_addr
, 0);
2960 iwl4965_send_beacon_cmd(priv
);
2962 /* FIXME - we need to add code here to detect a totally new
2963 * configuration, reset the AP, unassoc, rxon timing, assoc,
2964 * clear sta table, add BCAST sta... */
2968 static int iwl4965_mac_beacon_update(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
2970 static int iwl4965_mac_config_interface(struct ieee80211_hw
*hw
,
2971 struct ieee80211_vif
*vif
,
2972 struct ieee80211_if_conf
*conf
)
2974 struct iwl_priv
*priv
= hw
->priv
;
2975 DECLARE_MAC_BUF(mac
);
2976 unsigned long flags
;
2982 if (priv
->vif
!= vif
) {
2983 IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
2987 if (priv
->iw_mode
== IEEE80211_IF_TYPE_IBSS
&&
2988 conf
->changed
& IEEE80211_IFCC_BEACON
) {
2989 struct sk_buff
*beacon
= ieee80211_beacon_get(hw
, vif
);
2992 rc
= iwl4965_mac_beacon_update(hw
, beacon
);
2997 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) &&
2998 (!conf
->ssid_len
)) {
3000 ("Leaving in AP mode because HostAPD is not ready.\n");
3004 if (!iwl_is_alive(priv
))
3007 mutex_lock(&priv
->mutex
);
3010 IWL_DEBUG_MAC80211("bssid: %s\n",
3011 print_mac(mac
, conf
->bssid
));
3014 * very dubious code was here; the probe filtering flag is never set:
3016 if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
3017 !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
3020 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) {
3022 conf
->bssid
= priv
->mac_addr
;
3023 memcpy(priv
->bssid
, priv
->mac_addr
, ETH_ALEN
);
3024 IWL_DEBUG_MAC80211("bssid was set to: %s\n",
3025 print_mac(mac
, conf
->bssid
));
3027 if (priv
->ibss_beacon
)
3028 dev_kfree_skb(priv
->ibss_beacon
);
3030 priv
->ibss_beacon
= ieee80211_beacon_get(hw
, vif
);
3033 if (iwl_is_rfkill(priv
))
3036 if (conf
->bssid
&& !is_zero_ether_addr(conf
->bssid
) &&
3037 !is_multicast_ether_addr(conf
->bssid
)) {
3038 /* If there is currently a HW scan going on in the background
3039 * then we need to cancel it else the RXON below will fail. */
3040 if (iwl_scan_cancel_timeout(priv
, 100)) {
3041 IWL_WARNING("Aborted scan still in progress "
3043 IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
3044 mutex_unlock(&priv
->mutex
);
3047 memcpy(priv
->staging_rxon
.bssid_addr
, conf
->bssid
, ETH_ALEN
);
3049 /* TODO: Audit driver for usage of these members and see
3050 * if mac80211 deprecates them (priv->bssid looks like it
3051 * shouldn't be there, but I haven't scanned the IBSS code
3052 * to verify) - jpk */
3053 memcpy(priv
->bssid
, conf
->bssid
, ETH_ALEN
);
3055 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
)
3056 iwl4965_config_ap(priv
);
3058 rc
= iwl4965_commit_rxon(priv
);
3059 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_STA
) && rc
)
3060 iwl_rxon_add_station(
3061 priv
, priv
->active_rxon
.bssid_addr
, 1);
3065 iwl_scan_cancel_timeout(priv
, 100);
3066 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3067 iwl4965_commit_rxon(priv
);
3071 spin_lock_irqsave(&priv
->lock
, flags
);
3072 if (!conf
->ssid_len
)
3073 memset(priv
->essid
, 0, IW_ESSID_MAX_SIZE
);
3075 memcpy(priv
->essid
, conf
->ssid
, conf
->ssid_len
);
3077 priv
->essid_len
= conf
->ssid_len
;
3078 spin_unlock_irqrestore(&priv
->lock
, flags
);
3080 IWL_DEBUG_MAC80211("leave\n");
3081 mutex_unlock(&priv
->mutex
);
3086 static void iwl4965_configure_filter(struct ieee80211_hw
*hw
,
3087 unsigned int changed_flags
,
3088 unsigned int *total_flags
,
3089 int mc_count
, struct dev_addr_list
*mc_list
)
3091 struct iwl_priv
*priv
= hw
->priv
;
3093 if (changed_flags
& (*total_flags
) & FIF_OTHER_BSS
) {
3094 IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n",
3095 IEEE80211_IF_TYPE_MNTR
,
3096 changed_flags
, *total_flags
);
3097 /* queue work 'cuz mac80211 is holding a lock which
3098 * prevents us from issuing (synchronous) f/w cmds */
3099 queue_work(priv
->workqueue
, &priv
->set_monitor
);
3101 *total_flags
&= FIF_OTHER_BSS
| FIF_ALLMULTI
|
3102 FIF_BCN_PRBRESP_PROMISC
| FIF_CONTROL
;
3105 static void iwl4965_mac_remove_interface(struct ieee80211_hw
*hw
,
3106 struct ieee80211_if_init_conf
*conf
)
3108 struct iwl_priv
*priv
= hw
->priv
;
3110 IWL_DEBUG_MAC80211("enter\n");
3112 mutex_lock(&priv
->mutex
);
3114 if (iwl_is_ready_rf(priv
)) {
3115 iwl_scan_cancel_timeout(priv
, 100);
3116 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3117 iwl4965_commit_rxon(priv
);
3119 if (priv
->vif
== conf
->vif
) {
3121 memset(priv
->bssid
, 0, ETH_ALEN
);
3122 memset(priv
->essid
, 0, IW_ESSID_MAX_SIZE
);
3123 priv
->essid_len
= 0;
3125 mutex_unlock(&priv
->mutex
);
3127 IWL_DEBUG_MAC80211("leave\n");
3131 #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
3132 static void iwl4965_bss_info_changed(struct ieee80211_hw
*hw
,
3133 struct ieee80211_vif
*vif
,
3134 struct ieee80211_bss_conf
*bss_conf
,
3137 struct iwl_priv
*priv
= hw
->priv
;
3139 IWL_DEBUG_MAC80211("changes = 0x%X\n", changes
);
3141 if (changes
& BSS_CHANGED_ERP_PREAMBLE
) {
3142 IWL_DEBUG_MAC80211("ERP_PREAMBLE %d\n",
3143 bss_conf
->use_short_preamble
);
3144 if (bss_conf
->use_short_preamble
)
3145 priv
->staging_rxon
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
3147 priv
->staging_rxon
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
3150 if (changes
& BSS_CHANGED_ERP_CTS_PROT
) {
3151 IWL_DEBUG_MAC80211("ERP_CTS %d\n", bss_conf
->use_cts_prot
);
3152 if (bss_conf
->use_cts_prot
&& (priv
->band
!= IEEE80211_BAND_5GHZ
))
3153 priv
->staging_rxon
.flags
|= RXON_FLG_TGG_PROTECT_MSK
;
3155 priv
->staging_rxon
.flags
&= ~RXON_FLG_TGG_PROTECT_MSK
;
3158 if (changes
& BSS_CHANGED_HT
) {
3159 IWL_DEBUG_MAC80211("HT %d\n", bss_conf
->assoc_ht
);
3160 iwl4965_ht_conf(priv
, bss_conf
);
3161 iwl_set_rxon_chain(priv
);
3164 if (changes
& BSS_CHANGED_ASSOC
) {
3165 IWL_DEBUG_MAC80211("ASSOC %d\n", bss_conf
->assoc
);
3166 /* This should never happen as this function should
3167 * never be called from interrupt context. */
3168 if (WARN_ON_ONCE(in_interrupt()))
3170 if (bss_conf
->assoc
) {
3171 priv
->assoc_id
= bss_conf
->aid
;
3172 priv
->beacon_int
= bss_conf
->beacon_int
;
3173 priv
->power_data
.dtim_period
= bss_conf
->dtim_period
;
3174 priv
->timestamp
= bss_conf
->timestamp
;
3175 priv
->assoc_capability
= bss_conf
->assoc_capability
;
3176 priv
->next_scan_jiffies
= jiffies
+
3177 IWL_DELAY_NEXT_SCAN_AFTER_ASSOC
;
3178 mutex_lock(&priv
->mutex
);
3179 iwl4965_post_associate(priv
);
3180 mutex_unlock(&priv
->mutex
);
3183 IWL_DEBUG_MAC80211("DISASSOC %d\n", bss_conf
->assoc
);
3185 } else if (changes
&& iwl_is_associated(priv
) && priv
->assoc_id
) {
3186 IWL_DEBUG_MAC80211("Associated Changes %d\n", changes
);
3187 iwl_send_rxon_assoc(priv
);
3192 static int iwl4965_mac_hw_scan(struct ieee80211_hw
*hw
, u8
*ssid
, size_t len
)
3195 unsigned long flags
;
3196 struct iwl_priv
*priv
= hw
->priv
;
3198 IWL_DEBUG_MAC80211("enter\n");
3200 mutex_lock(&priv
->mutex
);
3201 spin_lock_irqsave(&priv
->lock
, flags
);
3203 if (!iwl_is_ready_rf(priv
)) {
3205 IWL_DEBUG_MAC80211("leave - not ready or exit pending\n");
3209 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
) { /* APs don't scan */
3211 IWL_ERROR("ERROR: APs don't scan\n");
3215 /* we don't schedule scan within next_scan_jiffies period */
3216 if (priv
->next_scan_jiffies
&&
3217 time_after(priv
->next_scan_jiffies
, jiffies
)) {
3221 /* if we just finished scan ask for delay */
3222 if (priv
->last_scan_jiffies
&& time_after(priv
->last_scan_jiffies
+
3223 IWL_DELAY_NEXT_SCAN
, jiffies
)) {
3228 IWL_DEBUG_SCAN("direct scan for %s [%d]\n ",
3229 iwl_escape_essid(ssid
, len
), (int)len
);
3231 priv
->one_direct_scan
= 1;
3232 priv
->direct_ssid_len
= (u8
)
3233 min((u8
) len
, (u8
) IW_ESSID_MAX_SIZE
);
3234 memcpy(priv
->direct_ssid
, ssid
, priv
->direct_ssid_len
);
3236 priv
->one_direct_scan
= 0;
3238 rc
= iwl_scan_initiate(priv
);
3240 IWL_DEBUG_MAC80211("leave\n");
3243 spin_unlock_irqrestore(&priv
->lock
, flags
);
3244 mutex_unlock(&priv
->mutex
);
3249 static void iwl4965_mac_update_tkip_key(struct ieee80211_hw
*hw
,
3250 struct ieee80211_key_conf
*keyconf
, const u8
*addr
,
3251 u32 iv32
, u16
*phase1key
)
3253 struct iwl_priv
*priv
= hw
->priv
;
3254 u8 sta_id
= IWL_INVALID_STATION
;
3255 unsigned long flags
;
3256 __le16 key_flags
= 0;
3258 DECLARE_MAC_BUF(mac
);
3260 IWL_DEBUG_MAC80211("enter\n");
3262 sta_id
= iwl_find_station(priv
, addr
);
3263 if (sta_id
== IWL_INVALID_STATION
) {
3264 IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
3265 print_mac(mac
, addr
));
3269 iwl_scan_cancel_timeout(priv
, 100);
3271 key_flags
|= (STA_KEY_FLG_TKIP
| STA_KEY_FLG_MAP_KEY_MSK
);
3272 key_flags
|= cpu_to_le16(keyconf
->keyidx
<< STA_KEY_FLG_KEYID_POS
);
3273 key_flags
&= ~STA_KEY_FLG_INVALID
;
3275 if (sta_id
== priv
->hw_params
.bcast_sta_id
)
3276 key_flags
|= STA_KEY_MULTICAST_MSK
;
3278 spin_lock_irqsave(&priv
->sta_lock
, flags
);
3280 priv
->stations
[sta_id
].sta
.key
.key_flags
= key_flags
;
3281 priv
->stations
[sta_id
].sta
.key
.tkip_rx_tsc_byte2
= (u8
) iv32
;
3283 for (i
= 0; i
< 5; i
++)
3284 priv
->stations
[sta_id
].sta
.key
.tkip_rx_ttak
[i
] =
3285 cpu_to_le16(phase1key
[i
]);
3287 priv
->stations
[sta_id
].sta
.sta
.modify_mask
= STA_MODIFY_KEY_MASK
;
3288 priv
->stations
[sta_id
].sta
.mode
= STA_CONTROL_MODIFY_MSK
;
3290 iwl_send_add_sta(priv
, &priv
->stations
[sta_id
].sta
, CMD_ASYNC
);
3292 spin_unlock_irqrestore(&priv
->sta_lock
, flags
);
3294 IWL_DEBUG_MAC80211("leave\n");
3297 static int iwl4965_mac_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
3298 const u8
*local_addr
, const u8
*addr
,
3299 struct ieee80211_key_conf
*key
)
3301 struct iwl_priv
*priv
= hw
->priv
;
3302 DECLARE_MAC_BUF(mac
);
3304 u8 sta_id
= IWL_INVALID_STATION
;
3305 u8 is_default_wep_key
= 0;
3307 IWL_DEBUG_MAC80211("enter\n");
3309 if (priv
->hw_params
.sw_crypto
) {
3310 IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n");
3314 if (is_zero_ether_addr(addr
))
3315 /* only support pairwise keys */
3318 sta_id
= iwl_find_station(priv
, addr
);
3319 if (sta_id
== IWL_INVALID_STATION
) {
3320 IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
3321 print_mac(mac
, addr
));
3326 mutex_lock(&priv
->mutex
);
3327 iwl_scan_cancel_timeout(priv
, 100);
3328 mutex_unlock(&priv
->mutex
);
3330 /* If we are getting WEP group key and we didn't receive any key mapping
3331 * so far, we are in legacy wep mode (group key only), otherwise we are
3333 * In legacy wep mode, we use another host command to the uCode */
3334 if (key
->alg
== ALG_WEP
&& sta_id
== priv
->hw_params
.bcast_sta_id
&&
3335 priv
->iw_mode
!= IEEE80211_IF_TYPE_AP
) {
3337 is_default_wep_key
= !priv
->key_mapping_key
;
3339 is_default_wep_key
=
3340 (key
->hw_key_idx
== HW_KEY_DEFAULT
);
3345 if (is_default_wep_key
)
3346 ret
= iwl_set_default_wep_key(priv
, key
);
3348 ret
= iwl_set_dynamic_key(priv
, key
, sta_id
);
3350 IWL_DEBUG_MAC80211("enable hwcrypto key\n");
3353 if (is_default_wep_key
)
3354 ret
= iwl_remove_default_wep_key(priv
, key
);
3356 ret
= iwl_remove_dynamic_key(priv
, key
, sta_id
);
3358 IWL_DEBUG_MAC80211("disable hwcrypto key\n");
3364 IWL_DEBUG_MAC80211("leave\n");
3369 static int iwl4965_mac_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
3370 const struct ieee80211_tx_queue_params
*params
)
3372 struct iwl_priv
*priv
= hw
->priv
;
3373 unsigned long flags
;
3376 IWL_DEBUG_MAC80211("enter\n");
3378 if (!iwl_is_ready_rf(priv
)) {
3379 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3383 if (queue
>= AC_NUM
) {
3384 IWL_DEBUG_MAC80211("leave - queue >= AC_NUM %d\n", queue
);
3388 if (!priv
->qos_data
.qos_enable
) {
3389 priv
->qos_data
.qos_active
= 0;
3390 IWL_DEBUG_MAC80211("leave - qos not enabled\n");
3393 q
= AC_NUM
- 1 - queue
;
3395 spin_lock_irqsave(&priv
->lock
, flags
);
3397 priv
->qos_data
.def_qos_parm
.ac
[q
].cw_min
= cpu_to_le16(params
->cw_min
);
3398 priv
->qos_data
.def_qos_parm
.ac
[q
].cw_max
= cpu_to_le16(params
->cw_max
);
3399 priv
->qos_data
.def_qos_parm
.ac
[q
].aifsn
= params
->aifs
;
3400 priv
->qos_data
.def_qos_parm
.ac
[q
].edca_txop
=
3401 cpu_to_le16((params
->txop
* 32));
3403 priv
->qos_data
.def_qos_parm
.ac
[q
].reserved1
= 0;
3404 priv
->qos_data
.qos_active
= 1;
3406 if (priv
->iw_mode
== IEEE80211_IF_TYPE_AP
)
3407 iwl_activate_qos(priv
, 1);
3408 else if (priv
->assoc_id
&& iwl_is_associated(priv
))
3409 iwl_activate_qos(priv
, 0);
3411 spin_unlock_irqrestore(&priv
->lock
, flags
);
3413 IWL_DEBUG_MAC80211("leave\n");
3417 static int iwl4965_mac_ampdu_action(struct ieee80211_hw
*hw
,
3418 enum ieee80211_ampdu_mlme_action action
,
3419 const u8
*addr
, u16 tid
, u16
*ssn
)
3421 struct iwl_priv
*priv
= hw
->priv
;
3422 DECLARE_MAC_BUF(mac
);
3424 IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
3425 print_mac(mac
, addr
), tid
);
3427 if (!(priv
->cfg
->sku
& IWL_SKU_N
))
3431 case IEEE80211_AMPDU_RX_START
:
3432 IWL_DEBUG_HT("start Rx\n");
3433 return iwl_rx_agg_start(priv
, addr
, tid
, *ssn
);
3434 case IEEE80211_AMPDU_RX_STOP
:
3435 IWL_DEBUG_HT("stop Rx\n");
3436 return iwl_rx_agg_stop(priv
, addr
, tid
);
3437 case IEEE80211_AMPDU_TX_START
:
3438 IWL_DEBUG_HT("start Tx\n");
3439 return iwl_tx_agg_start(priv
, addr
, tid
, ssn
);
3440 case IEEE80211_AMPDU_TX_STOP
:
3441 IWL_DEBUG_HT("stop Tx\n");
3442 return iwl_tx_agg_stop(priv
, addr
, tid
);
3444 IWL_DEBUG_HT("unknown\n");
3450 static int iwl4965_mac_get_tx_stats(struct ieee80211_hw
*hw
,
3451 struct ieee80211_tx_queue_stats
*stats
)
3453 struct iwl_priv
*priv
= hw
->priv
;
3455 struct iwl_tx_queue
*txq
;
3456 struct iwl_queue
*q
;
3457 unsigned long flags
;
3459 IWL_DEBUG_MAC80211("enter\n");
3461 if (!iwl_is_ready_rf(priv
)) {
3462 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3466 spin_lock_irqsave(&priv
->lock
, flags
);
3468 for (i
= 0; i
< AC_NUM
; i
++) {
3469 txq
= &priv
->txq
[i
];
3471 avail
= iwl_queue_space(q
);
3473 stats
[i
].len
= q
->n_window
- avail
;
3474 stats
[i
].limit
= q
->n_window
- q
->high_mark
;
3475 stats
[i
].count
= q
->n_window
;
3478 spin_unlock_irqrestore(&priv
->lock
, flags
);
3480 IWL_DEBUG_MAC80211("leave\n");
3485 static int iwl4965_mac_get_stats(struct ieee80211_hw
*hw
,
3486 struct ieee80211_low_level_stats
*stats
)
3488 struct iwl_priv
*priv
= hw
->priv
;
3491 IWL_DEBUG_MAC80211("enter\n");
3492 IWL_DEBUG_MAC80211("leave\n");
3497 static void iwl4965_mac_reset_tsf(struct ieee80211_hw
*hw
)
3499 struct iwl_priv
*priv
= hw
->priv
;
3500 unsigned long flags
;
3502 mutex_lock(&priv
->mutex
);
3503 IWL_DEBUG_MAC80211("enter\n");
3505 spin_lock_irqsave(&priv
->lock
, flags
);
3506 memset(&priv
->current_ht_config
, 0, sizeof(struct iwl_ht_info
));
3507 spin_unlock_irqrestore(&priv
->lock
, flags
);
3509 iwl_reset_qos(priv
);
3511 spin_lock_irqsave(&priv
->lock
, flags
);
3513 priv
->assoc_capability
= 0;
3514 priv
->assoc_station_added
= 0;
3516 /* new association get rid of ibss beacon skb */
3517 if (priv
->ibss_beacon
)
3518 dev_kfree_skb(priv
->ibss_beacon
);
3520 priv
->ibss_beacon
= NULL
;
3522 priv
->beacon_int
= priv
->hw
->conf
.beacon_int
;
3523 priv
->timestamp
= 0;
3524 if ((priv
->iw_mode
== IEEE80211_IF_TYPE_STA
))
3525 priv
->beacon_int
= 0;
3527 spin_unlock_irqrestore(&priv
->lock
, flags
);
3529 if (!iwl_is_ready_rf(priv
)) {
3530 IWL_DEBUG_MAC80211("leave - not ready\n");
3531 mutex_unlock(&priv
->mutex
);
3535 /* we are restarting association process
3536 * clear RXON_FILTER_ASSOC_MSK bit
3538 if (priv
->iw_mode
!= IEEE80211_IF_TYPE_AP
) {
3539 iwl_scan_cancel_timeout(priv
, 100);
3540 priv
->staging_rxon
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
3541 iwl4965_commit_rxon(priv
);
3544 iwl_power_update_mode(priv
, 0);
3546 /* Per mac80211.h: This is only used in IBSS mode... */
3547 if (priv
->iw_mode
!= IEEE80211_IF_TYPE_IBSS
) {
3549 IWL_DEBUG_MAC80211("leave - not in IBSS\n");
3550 mutex_unlock(&priv
->mutex
);
3554 iwl4965_set_rate(priv
);
3556 mutex_unlock(&priv
->mutex
);
3558 IWL_DEBUG_MAC80211("leave\n");
3561 static int iwl4965_mac_beacon_update(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
3563 struct iwl_priv
*priv
= hw
->priv
;
3564 unsigned long flags
;
3567 mutex_lock(&priv
->mutex
);
3568 IWL_DEBUG_MAC80211("enter\n");
3570 if (!iwl_is_ready_rf(priv
)) {
3571 IWL_DEBUG_MAC80211("leave - RF not ready\n");
3572 mutex_unlock(&priv
->mutex
);
3576 if (priv
->iw_mode
!= IEEE80211_IF_TYPE_IBSS
) {
3577 IWL_DEBUG_MAC80211("leave - not IBSS\n");
3578 mutex_unlock(&priv
->mutex
);
3582 spin_lock_irqsave(&priv
->lock
, flags
);
3584 if (priv
->ibss_beacon
)
3585 dev_kfree_skb(priv
->ibss_beacon
);
3587 priv
->ibss_beacon
= skb
;
3590 timestamp
= ((struct ieee80211_mgmt
*)skb
->data
)->u
.beacon
.timestamp
;
3591 priv
->timestamp
= le64_to_cpu(timestamp
);
3593 IWL_DEBUG_MAC80211("leave\n");
3594 spin_unlock_irqrestore(&priv
->lock
, flags
);
3596 iwl_reset_qos(priv
);
3598 iwl4965_post_associate(priv
);
3600 mutex_unlock(&priv
->mutex
);
3605 /*****************************************************************************
3609 *****************************************************************************/
3611 #ifdef CONFIG_IWLWIFI_DEBUG
3614 * The following adds a new attribute to the sysfs representation
3615 * of this device driver (i.e. a new file in /sys/bus/pci/drivers/iwl/)
3616 * used for controlling the debug level.
3618 * See the level definitions in iwl for details.
3621 static ssize_t
show_debug_level(struct device
*d
,
3622 struct device_attribute
*attr
, char *buf
)
3624 struct iwl_priv
*priv
= d
->driver_data
;
3626 return sprintf(buf
, "0x%08X\n", priv
->debug_level
);
3628 static ssize_t
store_debug_level(struct device
*d
,
3629 struct device_attribute
*attr
,
3630 const char *buf
, size_t count
)
3632 struct iwl_priv
*priv
= d
->driver_data
;
3633 char *p
= (char *)buf
;
3636 val
= simple_strtoul(p
, &p
, 0);
3638 printk(KERN_INFO DRV_NAME
3639 ": %s is not in hex or decimal form.\n", buf
);
3641 priv
->debug_level
= val
;
3643 return strnlen(buf
, count
);
3646 static DEVICE_ATTR(debug_level
, S_IWUSR
| S_IRUGO
,
3647 show_debug_level
, store_debug_level
);
3650 #endif /* CONFIG_IWLWIFI_DEBUG */
3653 static ssize_t
show_version(struct device
*d
,
3654 struct device_attribute
*attr
, char *buf
)
3656 struct iwl_priv
*priv
= d
->driver_data
;
3657 struct iwl_alive_resp
*palive
= &priv
->card_alive
;
3661 if (palive
->is_valid
)
3662 pos
+= sprintf(buf
+ pos
,
3663 "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n"
3664 "fw type: 0x%01X 0x%01X\n",
3665 palive
->ucode_major
, palive
->ucode_minor
,
3666 palive
->sw_rev
[0], palive
->sw_rev
[1],
3667 palive
->ver_type
, palive
->ver_subtype
);
3669 pos
+= sprintf(buf
+ pos
, "fw not loaded\n");
3672 eeprom_ver
= iwl_eeprom_query16(priv
, EEPROM_VERSION
);
3673 pos
+= sprintf(buf
+ pos
, "EEPROM version: 0x%x\n",
3676 pos
+= sprintf(buf
+ pos
, "EEPROM not initialzed\n");
3682 static DEVICE_ATTR(version
, S_IWUSR
| S_IRUGO
, show_version
, NULL
);
3684 static ssize_t
show_temperature(struct device
*d
,
3685 struct device_attribute
*attr
, char *buf
)
3687 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3689 if (!iwl_is_alive(priv
))
3692 return sprintf(buf
, "%d\n", priv
->temperature
);
3695 static DEVICE_ATTR(temperature
, S_IRUGO
, show_temperature
, NULL
);
3697 static ssize_t
show_tx_power(struct device
*d
,
3698 struct device_attribute
*attr
, char *buf
)
3700 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3701 return sprintf(buf
, "%d\n", priv
->tx_power_user_lmt
);
3704 static ssize_t
store_tx_power(struct device
*d
,
3705 struct device_attribute
*attr
,
3706 const char *buf
, size_t count
)
3708 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3709 char *p
= (char *)buf
;
3712 val
= simple_strtoul(p
, &p
, 10);
3714 printk(KERN_INFO DRV_NAME
3715 ": %s is not in decimal form.\n", buf
);
3717 iwl_set_tx_power(priv
, val
, false);
3722 static DEVICE_ATTR(tx_power
, S_IWUSR
| S_IRUGO
, show_tx_power
, store_tx_power
);
3724 static ssize_t
show_flags(struct device
*d
,
3725 struct device_attribute
*attr
, char *buf
)
3727 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3729 return sprintf(buf
, "0x%04X\n", priv
->active_rxon
.flags
);
3732 static ssize_t
store_flags(struct device
*d
,
3733 struct device_attribute
*attr
,
3734 const char *buf
, size_t count
)
3736 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3737 u32 flags
= simple_strtoul(buf
, NULL
, 0);
3739 mutex_lock(&priv
->mutex
);
3740 if (le32_to_cpu(priv
->staging_rxon
.flags
) != flags
) {
3741 /* Cancel any currently running scans... */
3742 if (iwl_scan_cancel_timeout(priv
, 100))
3743 IWL_WARNING("Could not cancel scan.\n");
3745 IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n",
3747 priv
->staging_rxon
.flags
= cpu_to_le32(flags
);
3748 iwl4965_commit_rxon(priv
);
3751 mutex_unlock(&priv
->mutex
);
3756 static DEVICE_ATTR(flags
, S_IWUSR
| S_IRUGO
, show_flags
, store_flags
);
3758 static ssize_t
show_filter_flags(struct device
*d
,
3759 struct device_attribute
*attr
, char *buf
)
3761 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3763 return sprintf(buf
, "0x%04X\n",
3764 le32_to_cpu(priv
->active_rxon
.filter_flags
));
3767 static ssize_t
store_filter_flags(struct device
*d
,
3768 struct device_attribute
*attr
,
3769 const char *buf
, size_t count
)
3771 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
3772 u32 filter_flags
= simple_strtoul(buf
, NULL
, 0);
3774 mutex_lock(&priv
->mutex
);
3775 if (le32_to_cpu(priv
->staging_rxon
.filter_flags
) != filter_flags
) {
3776 /* Cancel any currently running scans... */
3777 if (iwl_scan_cancel_timeout(priv
, 100))
3778 IWL_WARNING("Could not cancel scan.\n");
3780 IWL_DEBUG_INFO("Committing rxon.filter_flags = "
3781 "0x%04X\n", filter_flags
);
3782 priv
->staging_rxon
.filter_flags
=
3783 cpu_to_le32(filter_flags
);
3784 iwl4965_commit_rxon(priv
);
3787 mutex_unlock(&priv
->mutex
);
3792 static DEVICE_ATTR(filter_flags
, S_IWUSR
| S_IRUGO
, show_filter_flags
,
3793 store_filter_flags
);
3795 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
3797 static ssize_t
show_measurement(struct device
*d
,
3798 struct device_attribute
*attr
, char *buf
)
3800 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3801 struct iwl4965_spectrum_notification measure_report
;
3802 u32 size
= sizeof(measure_report
), len
= 0, ofs
= 0;
3803 u8
*data
= (u8
*)&measure_report
;
3804 unsigned long flags
;
3806 spin_lock_irqsave(&priv
->lock
, flags
);
3807 if (!(priv
->measurement_status
& MEASUREMENT_READY
)) {
3808 spin_unlock_irqrestore(&priv
->lock
, flags
);
3811 memcpy(&measure_report
, &priv
->measure_report
, size
);
3812 priv
->measurement_status
= 0;
3813 spin_unlock_irqrestore(&priv
->lock
, flags
);
3815 while (size
&& (PAGE_SIZE
- len
)) {
3816 hex_dump_to_buffer(data
+ ofs
, size
, 16, 1, buf
+ len
,
3817 PAGE_SIZE
- len
, 1);
3819 if (PAGE_SIZE
- len
)
3823 size
-= min(size
, 16U);
3829 static ssize_t
store_measurement(struct device
*d
,
3830 struct device_attribute
*attr
,
3831 const char *buf
, size_t count
)
3833 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3834 struct ieee80211_measurement_params params
= {
3835 .channel
= le16_to_cpu(priv
->active_rxon
.channel
),
3836 .start_time
= cpu_to_le64(priv
->last_tsf
),
3837 .duration
= cpu_to_le16(1),
3839 u8 type
= IWL_MEASURE_BASIC
;
3845 strncpy(buffer
, buf
, min(sizeof(buffer
), count
));
3846 channel
= simple_strtoul(p
, NULL
, 0);
3848 params
.channel
= channel
;
3851 while (*p
&& *p
!= ' ')
3854 type
= simple_strtoul(p
+ 1, NULL
, 0);
3857 IWL_DEBUG_INFO("Invoking measurement of type %d on "
3858 "channel %d (for '%s')\n", type
, params
.channel
, buf
);
3859 iwl4965_get_measurement(priv
, ¶ms
, type
);
3864 static DEVICE_ATTR(measurement
, S_IRUSR
| S_IWUSR
,
3865 show_measurement
, store_measurement
);
3866 #endif /* CONFIG_IWLAGN_SPECTRUM_MEASUREMENT */
3868 static ssize_t
store_retry_rate(struct device
*d
,
3869 struct device_attribute
*attr
,
3870 const char *buf
, size_t count
)
3872 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3874 priv
->retry_rate
= simple_strtoul(buf
, NULL
, 0);
3875 if (priv
->retry_rate
<= 0)
3876 priv
->retry_rate
= 1;
3881 static ssize_t
show_retry_rate(struct device
*d
,
3882 struct device_attribute
*attr
, char *buf
)
3884 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3885 return sprintf(buf
, "%d", priv
->retry_rate
);
3888 static DEVICE_ATTR(retry_rate
, S_IWUSR
| S_IRUSR
, show_retry_rate
,
3891 static ssize_t
store_power_level(struct device
*d
,
3892 struct device_attribute
*attr
,
3893 const char *buf
, size_t count
)
3895 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3899 mode
= simple_strtoul(buf
, NULL
, 0);
3900 mutex_lock(&priv
->mutex
);
3902 if (!iwl_is_ready(priv
)) {
3907 ret
= iwl_power_set_user_mode(priv
, mode
);
3909 IWL_DEBUG_MAC80211("failed setting power mode.\n");
3915 mutex_unlock(&priv
->mutex
);
3919 static ssize_t
show_power_level(struct device
*d
,
3920 struct device_attribute
*attr
, char *buf
)
3922 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3923 int mode
= priv
->power_data
.user_power_setting
;
3924 int system
= priv
->power_data
.system_power_setting
;
3925 int level
= priv
->power_data
.power_mode
;
3929 case IWL_POWER_SYS_AUTO
:
3930 p
+= sprintf(p
, "SYSTEM:auto");
3932 case IWL_POWER_SYS_AC
:
3933 p
+= sprintf(p
, "SYSTEM:ac");
3935 case IWL_POWER_SYS_BATTERY
:
3936 p
+= sprintf(p
, "SYSTEM:battery");
3940 p
+= sprintf(p
, "\tMODE:%s", (mode
< IWL_POWER_AUTO
)?"fixed":"auto");
3941 p
+= sprintf(p
, "\tINDEX:%d", level
);
3942 p
+= sprintf(p
, "\n");
3946 static DEVICE_ATTR(power_level
, S_IWUSR
| S_IRUSR
, show_power_level
,
3949 static ssize_t
show_channels(struct device
*d
,
3950 struct device_attribute
*attr
, char *buf
)
3953 struct iwl_priv
*priv
= dev_get_drvdata(d
);
3954 struct ieee80211_channel
*channels
= NULL
;
3955 const struct ieee80211_supported_band
*supp_band
= NULL
;
3959 if (!test_bit(STATUS_GEO_CONFIGURED
, &priv
->status
))
3962 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_2GHZ
);
3963 channels
= supp_band
->channels
;
3964 count
= supp_band
->n_channels
;
3966 len
+= sprintf(&buf
[len
],
3967 "Displaying %d channels in 2.4GHz band "
3968 "(802.11bg):\n", count
);
3970 for (i
= 0; i
< count
; i
++)
3971 len
+= sprintf(&buf
[len
], "%d: %ddBm: BSS%s%s, %s.\n",
3972 ieee80211_frequency_to_channel(
3973 channels
[i
].center_freq
),
3974 channels
[i
].max_power
,
3975 channels
[i
].flags
& IEEE80211_CHAN_RADAR
?
3976 " (IEEE 802.11h required)" : "",
3977 (!(channels
[i
].flags
& IEEE80211_CHAN_NO_IBSS
)
3978 || (channels
[i
].flags
&
3979 IEEE80211_CHAN_RADAR
)) ? "" :
3982 IEEE80211_CHAN_PASSIVE_SCAN
?
3983 "passive only" : "active/passive");
3985 supp_band
= iwl_get_hw_mode(priv
, IEEE80211_BAND_5GHZ
);
3986 channels
= supp_band
->channels
;
3987 count
= supp_band
->n_channels
;
3989 len
+= sprintf(&buf
[len
], "Displaying %d channels in 5.2GHz band "
3990 "(802.11a):\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");
4010 static DEVICE_ATTR(channels
, S_IRUSR
, show_channels
, NULL
);
4012 static ssize_t
show_statistics(struct device
*d
,
4013 struct device_attribute
*attr
, char *buf
)
4015 struct iwl_priv
*priv
= dev_get_drvdata(d
);
4016 u32 size
= sizeof(struct iwl_notif_statistics
);
4017 u32 len
= 0, ofs
= 0;
4018 u8
*data
= (u8
*)&priv
->statistics
;
4021 if (!iwl_is_alive(priv
))
4024 mutex_lock(&priv
->mutex
);
4025 rc
= iwl_send_statistics_request(priv
, 0);
4026 mutex_unlock(&priv
->mutex
);
4030 "Error sending statistics request: 0x%08X\n", rc
);
4034 while (size
&& (PAGE_SIZE
- len
)) {
4035 hex_dump_to_buffer(data
+ ofs
, size
, 16, 1, buf
+ len
,
4036 PAGE_SIZE
- len
, 1);
4038 if (PAGE_SIZE
- len
)
4042 size
-= min(size
, 16U);
4048 static DEVICE_ATTR(statistics
, S_IRUGO
, show_statistics
, NULL
);
4050 static ssize_t
show_status(struct device
*d
,
4051 struct device_attribute
*attr
, char *buf
)
4053 struct iwl_priv
*priv
= (struct iwl_priv
*)d
->driver_data
;
4054 if (!iwl_is_alive(priv
))
4056 return sprintf(buf
, "0x%08x\n", (int)priv
->status
);
4059 static DEVICE_ATTR(status
, S_IRUGO
, show_status
, NULL
);
4061 /*****************************************************************************
4063 * driver setup and teardown
4065 *****************************************************************************/
4067 static void iwl_setup_deferred_work(struct iwl_priv
*priv
)
4069 priv
->workqueue
= create_workqueue(DRV_NAME
);
4071 init_waitqueue_head(&priv
->wait_command_queue
);
4073 INIT_WORK(&priv
->up
, iwl4965_bg_up
);
4074 INIT_WORK(&priv
->restart
, iwl4965_bg_restart
);
4075 INIT_WORK(&priv
->rx_replenish
, iwl4965_bg_rx_replenish
);
4076 INIT_WORK(&priv
->rf_kill
, iwl4965_bg_rf_kill
);
4077 INIT_WORK(&priv
->beacon_update
, iwl4965_bg_beacon_update
);
4078 INIT_WORK(&priv
->set_monitor
, iwl4965_bg_set_monitor
);
4079 INIT_WORK(&priv
->run_time_calib_work
, iwl_bg_run_time_calib_work
);
4080 INIT_DELAYED_WORK(&priv
->init_alive_start
, iwl_bg_init_alive_start
);
4081 INIT_DELAYED_WORK(&priv
->alive_start
, iwl_bg_alive_start
);
4083 /* FIXME : remove when resolved PENDING */
4084 INIT_WORK(&priv
->scan_completed
, iwl_bg_scan_completed
);
4085 iwl_setup_scan_deferred_work(priv
);
4087 if (priv
->cfg
->ops
->lib
->setup_deferred_work
)
4088 priv
->cfg
->ops
->lib
->setup_deferred_work(priv
);
4090 init_timer(&priv
->statistics_periodic
);
4091 priv
->statistics_periodic
.data
= (unsigned long)priv
;
4092 priv
->statistics_periodic
.function
= iwl4965_bg_statistics_periodic
;
4094 tasklet_init(&priv
->irq_tasklet
, (void (*)(unsigned long))
4095 iwl4965_irq_tasklet
, (unsigned long)priv
);
4098 static void iwl_cancel_deferred_work(struct iwl_priv
*priv
)
4100 if (priv
->cfg
->ops
->lib
->cancel_deferred_work
)
4101 priv
->cfg
->ops
->lib
->cancel_deferred_work(priv
);
4103 cancel_delayed_work_sync(&priv
->init_alive_start
);
4104 cancel_delayed_work(&priv
->scan_check
);
4105 cancel_delayed_work(&priv
->alive_start
);
4106 cancel_work_sync(&priv
->beacon_update
);
4107 del_timer_sync(&priv
->statistics_periodic
);
4110 static struct attribute
*iwl4965_sysfs_entries
[] = {
4111 &dev_attr_channels
.attr
,
4112 &dev_attr_flags
.attr
,
4113 &dev_attr_filter_flags
.attr
,
4114 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
4115 &dev_attr_measurement
.attr
,
4117 &dev_attr_power_level
.attr
,
4118 &dev_attr_retry_rate
.attr
,
4119 &dev_attr_statistics
.attr
,
4120 &dev_attr_status
.attr
,
4121 &dev_attr_temperature
.attr
,
4122 &dev_attr_tx_power
.attr
,
4123 #ifdef CONFIG_IWLWIFI_DEBUG
4124 &dev_attr_debug_level
.attr
,
4126 &dev_attr_version
.attr
,
4131 static struct attribute_group iwl4965_attribute_group
= {
4132 .name
= NULL
, /* put in device directory */
4133 .attrs
= iwl4965_sysfs_entries
,
4136 static struct ieee80211_ops iwl4965_hw_ops
= {
4137 .tx
= iwl4965_mac_tx
,
4138 .start
= iwl4965_mac_start
,
4139 .stop
= iwl4965_mac_stop
,
4140 .add_interface
= iwl4965_mac_add_interface
,
4141 .remove_interface
= iwl4965_mac_remove_interface
,
4142 .config
= iwl4965_mac_config
,
4143 .config_interface
= iwl4965_mac_config_interface
,
4144 .configure_filter
= iwl4965_configure_filter
,
4145 .set_key
= iwl4965_mac_set_key
,
4146 .update_tkip_key
= iwl4965_mac_update_tkip_key
,
4147 .get_stats
= iwl4965_mac_get_stats
,
4148 .get_tx_stats
= iwl4965_mac_get_tx_stats
,
4149 .conf_tx
= iwl4965_mac_conf_tx
,
4150 .reset_tsf
= iwl4965_mac_reset_tsf
,
4151 .bss_info_changed
= iwl4965_bss_info_changed
,
4152 .ampdu_action
= iwl4965_mac_ampdu_action
,
4153 .hw_scan
= iwl4965_mac_hw_scan
4156 static int iwl4965_pci_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
4159 struct iwl_priv
*priv
;
4160 struct ieee80211_hw
*hw
;
4161 struct iwl_cfg
*cfg
= (struct iwl_cfg
*)(ent
->driver_data
);
4162 unsigned long flags
;
4163 DECLARE_MAC_BUF(mac
);
4165 /************************
4166 * 1. Allocating HW data
4167 ************************/
4169 /* Disabling hardware scan means that mac80211 will perform scans
4170 * "the hard way", rather than using device's scan. */
4171 if (cfg
->mod_params
->disable_hw_scan
) {
4172 if (cfg
->mod_params
->debug
& IWL_DL_INFO
)
4173 dev_printk(KERN_DEBUG
, &(pdev
->dev
),
4174 "Disabling hw_scan\n");
4175 iwl4965_hw_ops
.hw_scan
= NULL
;
4178 hw
= iwl_alloc_all(cfg
, &iwl4965_hw_ops
);
4184 /* At this point both hw and priv are allocated. */
4186 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
4188 IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
4190 priv
->pci_dev
= pdev
;
4192 #ifdef CONFIG_IWLWIFI_DEBUG
4193 priv
->debug_level
= priv
->cfg
->mod_params
->debug
;
4194 atomic_set(&priv
->restrict_refcnt
, 0);
4197 /**************************
4198 * 2. Initializing PCI bus
4199 **************************/
4200 if (pci_enable_device(pdev
)) {
4202 goto out_ieee80211_free_hw
;
4205 pci_set_master(pdev
);
4207 err
= pci_set_dma_mask(pdev
, DMA_64BIT_MASK
);
4209 err
= pci_set_consistent_dma_mask(pdev
, DMA_64BIT_MASK
);
4211 err
= pci_set_dma_mask(pdev
, DMA_32BIT_MASK
);
4213 err
= pci_set_consistent_dma_mask(pdev
, DMA_32BIT_MASK
);
4214 /* both attempts failed: */
4216 printk(KERN_WARNING
"%s: No suitable DMA available.\n",
4218 goto out_pci_disable_device
;
4222 err
= pci_request_regions(pdev
, DRV_NAME
);
4224 goto out_pci_disable_device
;
4226 pci_set_drvdata(pdev
, priv
);
4228 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4229 * PCI Tx retries from interfering with C3 CPU state */
4230 pci_write_config_byte(pdev
, 0x41, 0x00);
4232 /***********************
4233 * 3. Read REV register
4234 ***********************/
4235 priv
->hw_base
= pci_iomap(pdev
, 0, 0);
4236 if (!priv
->hw_base
) {
4238 goto out_pci_release_regions
;
4241 IWL_DEBUG_INFO("pci_resource_len = 0x%08llx\n",
4242 (unsigned long long) pci_resource_len(pdev
, 0));
4243 IWL_DEBUG_INFO("pci_resource_base = %p\n", priv
->hw_base
);
4245 iwl_hw_detect(priv
);
4246 printk(KERN_INFO DRV_NAME
4247 ": Detected Intel Wireless WiFi Link %s REV=0x%X\n",
4248 priv
->cfg
->name
, priv
->hw_rev
);
4251 err
= priv
->cfg
->ops
->lib
->apm_ops
.init(priv
);
4253 IWL_DEBUG_INFO("Failed to init APMG\n");
4259 /* Read the EEPROM */
4260 err
= iwl_eeprom_init(priv
);
4262 IWL_ERROR("Unable to init EEPROM\n");
4265 err
= iwl_eeprom_check_version(priv
);
4269 /* extract MAC Address */
4270 iwl_eeprom_get_mac(priv
, priv
->mac_addr
);
4271 IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac
, priv
->mac_addr
));
4272 SET_IEEE80211_PERM_ADDR(priv
->hw
, priv
->mac_addr
);
4274 /************************
4275 * 5. Setup HW constants
4276 ************************/
4277 if (iwl_set_hw_params(priv
)) {
4278 IWL_ERROR("failed to set hw parameters\n");
4279 goto out_free_eeprom
;
4282 /*******************
4284 *******************/
4286 err
= iwl_init_drv(priv
);
4288 goto out_free_eeprom
;
4289 /* At this point both hw and priv are initialized. */
4291 /**********************************
4292 * 7. Initialize module parameters
4293 **********************************/
4295 /* Disable radio (SW RF KILL) via parameter when loading driver */
4296 if (priv
->cfg
->mod_params
->disable
) {
4297 set_bit(STATUS_RF_KILL_SW
, &priv
->status
);
4298 IWL_DEBUG_INFO("Radio disabled.\n");
4301 /********************
4303 ********************/
4304 spin_lock_irqsave(&priv
->lock
, flags
);
4305 iwl4965_disable_interrupts(priv
);
4306 spin_unlock_irqrestore(&priv
->lock
, flags
);
4308 err
= sysfs_create_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4310 IWL_ERROR("failed to create sysfs device attributes\n");
4311 goto out_uninit_drv
;
4315 iwl_setup_deferred_work(priv
);
4316 iwl_setup_rx_handlers(priv
);
4318 /********************
4320 ********************/
4321 pci_save_state(pdev
);
4322 pci_disable_device(pdev
);
4324 /**********************************
4325 * 10. Setup and register mac80211
4326 **********************************/
4328 err
= iwl_setup_mac(priv
);
4330 goto out_remove_sysfs
;
4332 err
= iwl_dbgfs_register(priv
, DRV_NAME
);
4334 IWL_ERROR("failed to create debugfs files\n");
4336 err
= iwl_rfkill_init(priv
);
4338 IWL_ERROR("Unable to initialize RFKILL system. "
4339 "Ignoring error: %d\n", err
);
4340 iwl_power_initialize(priv
);
4344 sysfs_remove_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4346 iwl_uninit_drv(priv
);
4348 iwl_eeprom_free(priv
);
4350 pci_iounmap(pdev
, priv
->hw_base
);
4351 out_pci_release_regions
:
4352 pci_release_regions(pdev
);
4353 pci_set_drvdata(pdev
, NULL
);
4354 out_pci_disable_device
:
4355 pci_disable_device(pdev
);
4356 out_ieee80211_free_hw
:
4357 ieee80211_free_hw(priv
->hw
);
4362 static void __devexit
iwl4965_pci_remove(struct pci_dev
*pdev
)
4364 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4365 unsigned long flags
;
4370 IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n");
4372 iwl_dbgfs_unregister(priv
);
4373 sysfs_remove_group(&pdev
->dev
.kobj
, &iwl4965_attribute_group
);
4375 if (priv
->mac80211_registered
) {
4376 ieee80211_unregister_hw(priv
->hw
);
4377 priv
->mac80211_registered
= 0;
4380 set_bit(STATUS_EXIT_PENDING
, &priv
->status
);
4384 /* make sure we flush any pending irq or
4385 * tasklet for the driver
4387 spin_lock_irqsave(&priv
->lock
, flags
);
4388 iwl4965_disable_interrupts(priv
);
4389 spin_unlock_irqrestore(&priv
->lock
, flags
);
4391 iwl_synchronize_irq(priv
);
4393 iwl_rfkill_unregister(priv
);
4394 iwl4965_dealloc_ucode_pci(priv
);
4397 iwl_rx_queue_free(priv
, &priv
->rxq
);
4398 iwl_hw_txq_ctx_free(priv
);
4400 iwl_clear_stations_table(priv
);
4401 iwl_eeprom_free(priv
);
4404 /*netif_stop_queue(dev); */
4405 flush_workqueue(priv
->workqueue
);
4407 /* ieee80211_unregister_hw calls iwl4965_mac_stop, which flushes
4408 * priv->workqueue... so we can't take down the workqueue
4410 destroy_workqueue(priv
->workqueue
);
4411 priv
->workqueue
= NULL
;
4413 pci_iounmap(pdev
, priv
->hw_base
);
4414 pci_release_regions(pdev
);
4415 pci_disable_device(pdev
);
4416 pci_set_drvdata(pdev
, NULL
);
4418 iwl_uninit_drv(priv
);
4420 if (priv
->ibss_beacon
)
4421 dev_kfree_skb(priv
->ibss_beacon
);
4423 ieee80211_free_hw(priv
->hw
);
4428 static int iwl4965_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4430 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4432 if (priv
->is_open
) {
4433 set_bit(STATUS_IN_SUSPEND
, &priv
->status
);
4434 iwl4965_mac_stop(priv
->hw
);
4438 pci_set_power_state(pdev
, PCI_D3hot
);
4443 static int iwl4965_pci_resume(struct pci_dev
*pdev
)
4445 struct iwl_priv
*priv
= pci_get_drvdata(pdev
);
4447 pci_set_power_state(pdev
, PCI_D0
);
4450 iwl4965_mac_start(priv
->hw
);
4452 clear_bit(STATUS_IN_SUSPEND
, &priv
->status
);
4456 #endif /* CONFIG_PM */
4458 /*****************************************************************************
4460 * driver and module entry point
4462 *****************************************************************************/
4464 /* Hardware specific file defines the PCI IDs table for that hardware module */
4465 static struct pci_device_id iwl_hw_card_ids
[] = {
4466 #ifdef CONFIG_IWL4965
4467 {IWL_PCI_DEVICE(0x4229, PCI_ANY_ID
, iwl4965_agn_cfg
)},
4468 {IWL_PCI_DEVICE(0x4230, PCI_ANY_ID
, iwl4965_agn_cfg
)},
4469 #endif /* CONFIG_IWL4965 */
4470 #ifdef CONFIG_IWL5000
4471 {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg
)},
4472 {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg
)},
4473 {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg
)},
4474 {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg
)},
4475 {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg
)},
4476 {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg
)},
4477 {IWL_PCI_DEVICE(0x4232, PCI_ANY_ID
, iwl5100_agn_cfg
)},
4478 {IWL_PCI_DEVICE(0x4235, PCI_ANY_ID
, iwl5300_agn_cfg
)},
4479 {IWL_PCI_DEVICE(0x4236, PCI_ANY_ID
, iwl5300_agn_cfg
)},
4480 {IWL_PCI_DEVICE(0x4237, PCI_ANY_ID
, iwl5100_agn_cfg
)},
4481 {IWL_PCI_DEVICE(0x423A, PCI_ANY_ID
, iwl5350_agn_cfg
)},
4482 #endif /* CONFIG_IWL5000 */
4485 MODULE_DEVICE_TABLE(pci
, iwl_hw_card_ids
);
4487 static struct pci_driver iwl_driver
= {
4489 .id_table
= iwl_hw_card_ids
,
4490 .probe
= iwl4965_pci_probe
,
4491 .remove
= __devexit_p(iwl4965_pci_remove
),
4493 .suspend
= iwl4965_pci_suspend
,
4494 .resume
= iwl4965_pci_resume
,
4498 static int __init
iwl4965_init(void)
4502 printk(KERN_INFO DRV_NAME
": " DRV_DESCRIPTION
", " DRV_VERSION
"\n");
4503 printk(KERN_INFO DRV_NAME
": " DRV_COPYRIGHT
"\n");
4505 ret
= iwlagn_rate_control_register();
4507 IWL_ERROR("Unable to register rate control algorithm: %d\n", ret
);
4511 ret
= pci_register_driver(&iwl_driver
);
4513 IWL_ERROR("Unable to initialize PCI module\n");
4514 goto error_register
;
4520 iwlagn_rate_control_unregister();
4524 static void __exit
iwl4965_exit(void)
4526 pci_unregister_driver(&iwl_driver
);
4527 iwlagn_rate_control_unregister();
4530 module_exit(iwl4965_exit
);
4531 module_init(iwl4965_init
);