1 /******************************************************************************
3 * Copyright(c) 2003 - 2011 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 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
30 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32 #include <linux/kernel.h>
33 #include <linux/module.h>
34 #include <linux/init.h>
35 #include <linux/pci.h>
36 #include <linux/pci-aspm.h>
37 #include <linux/slab.h>
38 #include <linux/dma-mapping.h>
39 #include <linux/delay.h>
40 #include <linux/sched.h>
41 #include <linux/skbuff.h>
42 #include <linux/netdevice.h>
43 #include <linux/wireless.h>
44 #include <linux/firmware.h>
45 #include <linux/etherdevice.h>
46 #include <linux/if_arp.h>
48 #include <net/mac80211.h>
50 #include <asm/div64.h>
52 #define DRV_NAME "iwlagn"
54 #include "iwl-eeprom.h"
58 #include "iwl-helpers.h"
60 #include "iwl-agn-calib.h"
64 /******************************************************************************
68 ******************************************************************************/
71 * module name, copyright, version, etc.
73 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux"
75 #ifdef CONFIG_IWLWIFI_DEBUG
81 #define DRV_VERSION IWLWIFI_VERSION VD
84 MODULE_DESCRIPTION(DRV_DESCRIPTION);
85 MODULE_VERSION(DRV_VERSION);
86 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
87 MODULE_LICENSE("GPL");
89 static int iwlagn_ant_coupling;
90 static bool iwlagn_bt_ch_announce = 1;
92 void iwl_update_chain_flags(struct iwl_priv *priv)
94 struct iwl_rxon_context *ctx;
96 if (priv->cfg->ops->hcmd->set_rxon_chain) {
97 for_each_context(priv, ctx) {
98 priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
99 if (ctx->active.rx_chain != ctx->staging.rx_chain)
100 iwlcore_commit_rxon(priv, ctx);
105 static void iwl_clear_free_frames(struct iwl_priv *priv)
107 struct list_head *element;
109 IWL_DEBUG_INFO(priv, "%d frames on pre-allocated heap on clear.\n",
112 while (!list_empty(&priv->free_frames)) {
113 element = priv->free_frames.next;
115 kfree(list_entry(element, struct iwl_frame, list));
116 priv->frames_count--;
119 if (priv->frames_count) {
120 IWL_WARN(priv, "%d frames still in use. Did we lose one?\n",
122 priv->frames_count = 0;
126 static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv)
128 struct iwl_frame *frame;
129 struct list_head *element;
130 if (list_empty(&priv->free_frames)) {
131 frame = kzalloc(sizeof(*frame), GFP_KERNEL);
133 IWL_ERR(priv, "Could not allocate frame!\n");
137 priv->frames_count++;
141 element = priv->free_frames.next;
143 return list_entry(element, struct iwl_frame, list);
146 static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
148 memset(frame, 0, sizeof(*frame));
149 list_add(&frame->list, &priv->free_frames);
152 static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
153 struct ieee80211_hdr *hdr,
156 lockdep_assert_held(&priv->mutex);
158 if (!priv->beacon_skb)
161 if (priv->beacon_skb->len > left)
164 memcpy(hdr, priv->beacon_skb->data, priv->beacon_skb->len);
166 return priv->beacon_skb->len;
169 /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
170 static void iwl_set_beacon_tim(struct iwl_priv *priv,
171 struct iwl_tx_beacon_cmd *tx_beacon_cmd,
172 u8 *beacon, u32 frame_size)
175 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
178 * The index is relative to frame start but we start looking at the
179 * variable-length part of the beacon.
181 tim_idx = mgmt->u.beacon.variable - beacon;
183 /* Parse variable-length elements of beacon to find WLAN_EID_TIM */
184 while ((tim_idx < (frame_size - 2)) &&
185 (beacon[tim_idx] != WLAN_EID_TIM))
186 tim_idx += beacon[tim_idx+1] + 2;
188 /* If TIM field was found, set variables */
189 if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
190 tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx);
191 tx_beacon_cmd->tim_size = beacon[tim_idx+1];
193 IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
196 static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
197 struct iwl_frame *frame)
199 struct iwl_tx_beacon_cmd *tx_beacon_cmd;
204 * We have to set up the TX command, the TX Beacon command, and the
208 lockdep_assert_held(&priv->mutex);
210 if (!priv->beacon_ctx) {
211 IWL_ERR(priv, "trying to build beacon w/o beacon context!\n");
215 /* Initialize memory */
216 tx_beacon_cmd = &frame->u.beacon;
217 memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
219 /* Set up TX beacon contents */
220 frame_size = iwl_fill_beacon_frame(priv, tx_beacon_cmd->frame,
221 sizeof(frame->u) - sizeof(*tx_beacon_cmd));
222 if (WARN_ON_ONCE(frame_size > MAX_MPDU_SIZE))
227 /* Set up TX command fields */
228 tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
229 tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id;
230 tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
231 tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
232 TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
234 /* Set up TX beacon command fields */
235 iwl_set_beacon_tim(priv, tx_beacon_cmd, (u8 *)tx_beacon_cmd->frame,
238 /* Set up packet rate and flags */
239 rate = iwl_rate_get_lowest_plcp(priv, priv->beacon_ctx);
240 priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
241 priv->hw_params.valid_tx_ant);
242 rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
243 if ((rate >= IWL_FIRST_CCK_RATE) && (rate <= IWL_LAST_CCK_RATE))
244 rate_flags |= RATE_MCS_CCK_MSK;
245 tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
248 return sizeof(*tx_beacon_cmd) + frame_size;
251 int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
253 struct iwl_frame *frame;
254 unsigned int frame_size;
256 struct iwl_host_cmd cmd = {
257 .id = REPLY_TX_BEACON,
258 .flags = CMD_SIZE_HUGE,
261 frame = iwl_get_free_frame(priv);
263 IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
268 frame_size = iwl_hw_get_beacon_cmd(priv, frame);
270 IWL_ERR(priv, "Error configuring the beacon command\n");
271 iwl_free_frame(priv, frame);
275 cmd.len = frame_size;
276 cmd.data = &frame->u.cmd[0];
278 rc = iwl_send_cmd_sync(priv, &cmd);
280 iwl_free_frame(priv, frame);
285 static inline dma_addr_t iwl_tfd_tb_get_addr(struct iwl_tfd *tfd, u8 idx)
287 struct iwl_tfd_tb *tb = &tfd->tbs[idx];
289 dma_addr_t addr = get_unaligned_le32(&tb->lo);
290 if (sizeof(dma_addr_t) > sizeof(u32))
292 ((dma_addr_t)(le16_to_cpu(tb->hi_n_len) & 0xF) << 16) << 16;
297 static inline u16 iwl_tfd_tb_get_len(struct iwl_tfd *tfd, u8 idx)
299 struct iwl_tfd_tb *tb = &tfd->tbs[idx];
301 return le16_to_cpu(tb->hi_n_len) >> 4;
304 static inline void iwl_tfd_set_tb(struct iwl_tfd *tfd, u8 idx,
305 dma_addr_t addr, u16 len)
307 struct iwl_tfd_tb *tb = &tfd->tbs[idx];
308 u16 hi_n_len = len << 4;
310 put_unaligned_le32(addr, &tb->lo);
311 if (sizeof(dma_addr_t) > sizeof(u32))
312 hi_n_len |= ((addr >> 16) >> 16) & 0xF;
314 tb->hi_n_len = cpu_to_le16(hi_n_len);
316 tfd->num_tbs = idx + 1;
319 static inline u8 iwl_tfd_get_num_tbs(struct iwl_tfd *tfd)
321 return tfd->num_tbs & 0x1f;
325 * iwl_hw_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr]
326 * @priv - driver private data
329 * Does NOT advance any TFD circular buffer read/write indexes
330 * Does NOT free the TFD itself (which is within circular buffer)
332 void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
334 struct iwl_tfd *tfd_tmp = (struct iwl_tfd *)txq->tfds;
336 struct pci_dev *dev = priv->pci_dev;
337 int index = txq->q.read_ptr;
341 tfd = &tfd_tmp[index];
343 /* Sanity check on number of chunks */
344 num_tbs = iwl_tfd_get_num_tbs(tfd);
346 if (num_tbs >= IWL_NUM_OF_TBS) {
347 IWL_ERR(priv, "Too many chunks: %i\n", num_tbs);
348 /* @todo issue fatal error, it is quite serious situation */
354 pci_unmap_single(dev,
355 dma_unmap_addr(&txq->meta[index], mapping),
356 dma_unmap_len(&txq->meta[index], len),
357 PCI_DMA_BIDIRECTIONAL);
359 /* Unmap chunks, if any. */
360 for (i = 1; i < num_tbs; i++)
361 pci_unmap_single(dev, iwl_tfd_tb_get_addr(tfd, i),
362 iwl_tfd_tb_get_len(tfd, i), PCI_DMA_TODEVICE);
368 skb = txq->txb[txq->q.read_ptr].skb;
370 /* can be called from irqs-disabled context */
372 dev_kfree_skb_any(skb);
373 txq->txb[txq->q.read_ptr].skb = NULL;
378 int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
379 struct iwl_tx_queue *txq,
380 dma_addr_t addr, u16 len,
384 struct iwl_tfd *tfd, *tfd_tmp;
388 tfd_tmp = (struct iwl_tfd *)txq->tfds;
389 tfd = &tfd_tmp[q->write_ptr];
392 memset(tfd, 0, sizeof(*tfd));
394 num_tbs = iwl_tfd_get_num_tbs(tfd);
396 /* Each TFD can point to a maximum 20 Tx buffers */
397 if (num_tbs >= IWL_NUM_OF_TBS) {
398 IWL_ERR(priv, "Error can not send more than %d chunks\n",
403 if (WARN_ON(addr & ~DMA_BIT_MASK(36)))
406 if (unlikely(addr & ~IWL_TX_DMA_MASK))
407 IWL_ERR(priv, "Unaligned address = %llx\n",
408 (unsigned long long)addr);
410 iwl_tfd_set_tb(tfd, num_tbs, addr, len);
416 * Tell nic where to find circular buffer of Tx Frame Descriptors for
417 * given Tx queue, and enable the DMA channel used for that queue.
419 * supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA
420 * channels supported in hardware.
422 int iwl_hw_tx_queue_init(struct iwl_priv *priv,
423 struct iwl_tx_queue *txq)
425 int txq_id = txq->q.id;
427 /* Circular buffer (TFD queue in DRAM) physical base address */
428 iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id),
429 txq->q.dma_addr >> 8);
434 static void iwl_bg_beacon_update(struct work_struct *work)
436 struct iwl_priv *priv =
437 container_of(work, struct iwl_priv, beacon_update);
438 struct sk_buff *beacon;
440 mutex_lock(&priv->mutex);
441 if (!priv->beacon_ctx) {
442 IWL_ERR(priv, "updating beacon w/o beacon context!\n");
446 if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) {
448 * The ucode will send beacon notifications even in
449 * IBSS mode, but we don't want to process them. But
450 * we need to defer the type check to here due to
451 * requiring locking around the beacon_ctx access.
456 /* Pull updated AP beacon from mac80211. will fail if not in AP mode */
457 beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif);
459 IWL_ERR(priv, "update beacon failed -- keeping old\n");
463 /* new beacon skb is allocated every time; dispose previous.*/
464 dev_kfree_skb(priv->beacon_skb);
466 priv->beacon_skb = beacon;
468 iwlagn_send_beacon_cmd(priv);
470 mutex_unlock(&priv->mutex);
473 static void iwl_bg_bt_runtime_config(struct work_struct *work)
475 struct iwl_priv *priv =
476 container_of(work, struct iwl_priv, bt_runtime_config);
478 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
481 /* dont send host command if rf-kill is on */
482 if (!iwl_is_ready_rf(priv))
484 priv->cfg->ops->hcmd->send_bt_config(priv);
487 static void iwl_bg_bt_full_concurrency(struct work_struct *work)
489 struct iwl_priv *priv =
490 container_of(work, struct iwl_priv, bt_full_concurrency);
491 struct iwl_rxon_context *ctx;
493 mutex_lock(&priv->mutex);
495 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
498 /* dont send host command if rf-kill is on */
499 if (!iwl_is_ready_rf(priv))
502 IWL_DEBUG_INFO(priv, "BT coex in %s mode\n",
503 priv->bt_full_concurrent ?
504 "full concurrency" : "3-wire");
507 * LQ & RXON updated cmds must be sent before BT Config cmd
508 * to avoid 3-wire collisions
510 for_each_context(priv, ctx) {
511 if (priv->cfg->ops->hcmd->set_rxon_chain)
512 priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
513 iwlcore_commit_rxon(priv, ctx);
516 priv->cfg->ops->hcmd->send_bt_config(priv);
518 mutex_unlock(&priv->mutex);
522 * iwl_bg_statistics_periodic - Timer callback to queue statistics
524 * This callback is provided in order to send a statistics request.
526 * This timer function is continually reset to execute within
527 * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
528 * was received. We need to ensure we receive the statistics in order
529 * to update the temperature used for calibrating the TXPOWER.
531 static void iwl_bg_statistics_periodic(unsigned long data)
533 struct iwl_priv *priv = (struct iwl_priv *)data;
535 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
538 /* dont send host command if rf-kill is on */
539 if (!iwl_is_ready_rf(priv))
542 iwl_send_statistics_request(priv, CMD_ASYNC, false);
546 static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
547 u32 start_idx, u32 num_events,
551 u32 ptr; /* SRAM byte address of log data */
552 u32 ev, time, data; /* event log data */
553 unsigned long reg_flags;
556 ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32));
558 ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
560 /* Make sure device is powered up for SRAM reads */
561 spin_lock_irqsave(&priv->reg_lock, reg_flags);
562 if (iwl_grab_nic_access(priv)) {
563 spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
567 /* Set starting address; reads will auto-increment */
568 iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr);
572 * "time" is actually "data" for mode 0 (no timestamp).
573 * place event id # at far right for easier visual parsing.
575 for (i = 0; i < num_events; i++) {
576 ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
577 time = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
579 trace_iwlwifi_dev_ucode_cont_event(priv,
582 data = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
583 trace_iwlwifi_dev_ucode_cont_event(priv,
587 /* Allow device to power down */
588 iwl_release_nic_access(priv);
589 spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
592 static void iwl_continuous_event_trace(struct iwl_priv *priv)
594 u32 capacity; /* event log capacity in # entries */
595 u32 base; /* SRAM byte address of event log header */
596 u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
597 u32 num_wraps; /* # times uCode wrapped to top of log */
598 u32 next_entry; /* index of next entry to be written by uCode */
600 base = priv->device_pointers.error_event_table;
601 if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
602 capacity = iwl_read_targ_mem(priv, base);
603 num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
604 mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32)));
605 next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
609 if (num_wraps == priv->event_log.num_wraps) {
610 iwl_print_cont_event_trace(priv,
611 base, priv->event_log.next_entry,
612 next_entry - priv->event_log.next_entry,
614 priv->event_log.non_wraps_count++;
616 if ((num_wraps - priv->event_log.num_wraps) > 1)
617 priv->event_log.wraps_more_count++;
619 priv->event_log.wraps_once_count++;
620 trace_iwlwifi_dev_ucode_wrap_event(priv,
621 num_wraps - priv->event_log.num_wraps,
622 next_entry, priv->event_log.next_entry);
623 if (next_entry < priv->event_log.next_entry) {
624 iwl_print_cont_event_trace(priv, base,
625 priv->event_log.next_entry,
626 capacity - priv->event_log.next_entry,
629 iwl_print_cont_event_trace(priv, base, 0,
632 iwl_print_cont_event_trace(priv, base,
633 next_entry, capacity - next_entry,
636 iwl_print_cont_event_trace(priv, base, 0,
640 priv->event_log.num_wraps = num_wraps;
641 priv->event_log.next_entry = next_entry;
645 * iwl_bg_ucode_trace - Timer callback to log ucode event
647 * The timer is continually set to execute every
648 * UCODE_TRACE_PERIOD milliseconds after the last timer expired
649 * this function is to perform continuous uCode event logging operation
652 static void iwl_bg_ucode_trace(unsigned long data)
654 struct iwl_priv *priv = (struct iwl_priv *)data;
656 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
659 if (priv->event_log.ucode_trace) {
660 iwl_continuous_event_trace(priv);
661 /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
662 mod_timer(&priv->ucode_trace,
663 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
667 static void iwl_bg_tx_flush(struct work_struct *work)
669 struct iwl_priv *priv =
670 container_of(work, struct iwl_priv, tx_flush);
672 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
675 /* do nothing if rf-kill is on */
676 if (!iwl_is_ready_rf(priv))
679 if (priv->cfg->ops->lib->txfifo_flush) {
680 IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
681 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
686 * iwl_rx_handle - Main entry function for receiving responses from uCode
688 * Uses the priv->rx_handlers callback function array to invoke
689 * the appropriate handlers, including command responses,
690 * frame-received notifications, and other notifications.
692 static void iwl_rx_handle(struct iwl_priv *priv)
694 struct iwl_rx_mem_buffer *rxb;
695 struct iwl_rx_packet *pkt;
696 struct iwl_rx_queue *rxq = &priv->rxq;
704 /* uCode's read index (stored in shared DRAM) indicates the last Rx
705 * buffer that the driver may process (last buffer filled by ucode). */
706 r = le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF;
709 /* Rx interrupt, but nothing sent from uCode */
711 IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i);
713 /* calculate total frames need to be restock after handling RX */
714 total_empty = r - rxq->write_actual;
716 total_empty += RX_QUEUE_SIZE;
718 if (total_empty > (RX_QUEUE_SIZE / 2))
726 /* If an RXB doesn't have a Rx queue slot associated with it,
727 * then a bug has been introduced in the queue refilling
728 * routines -- catch it here */
729 if (WARN_ON(rxb == NULL)) {
730 i = (i + 1) & RX_QUEUE_MASK;
734 rxq->queue[i] = NULL;
736 pci_unmap_page(priv->pci_dev, rxb->page_dma,
737 PAGE_SIZE << priv->hw_params.rx_page_order,
741 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
742 len += sizeof(u32); /* account for status word */
743 trace_iwlwifi_dev_rx(priv, pkt, len);
745 /* Reclaim a command buffer only if this packet is a response
746 * to a (driver-originated) command.
747 * If the packet (e.g. Rx frame) originated from uCode,
748 * there is no command buffer to reclaim.
749 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
750 * but apparently a few don't get set; catch them here. */
751 reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
752 (pkt->hdr.cmd != REPLY_RX_PHY_CMD) &&
753 (pkt->hdr.cmd != REPLY_RX) &&
754 (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) &&
755 (pkt->hdr.cmd != REPLY_COMPRESSED_BA) &&
756 (pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
757 (pkt->hdr.cmd != REPLY_TX);
760 * Do the notification wait before RX handlers so
761 * even if the RX handler consumes the RXB we have
762 * access to it in the notification wait entry.
764 if (!list_empty(&priv->_agn.notif_waits)) {
765 struct iwl_notification_wait *w;
767 spin_lock(&priv->_agn.notif_wait_lock);
768 list_for_each_entry(w, &priv->_agn.notif_waits, list) {
769 if (w->cmd == pkt->hdr.cmd) {
772 w->fn(priv, pkt, w->fn_data);
775 spin_unlock(&priv->_agn.notif_wait_lock);
777 wake_up_all(&priv->_agn.notif_waitq);
780 /* Based on type of command response or notification,
781 * handle those that need handling via function in
782 * rx_handlers table. See iwl_setup_rx_handlers() */
783 if (priv->rx_handlers[pkt->hdr.cmd]) {
784 IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r,
785 i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
786 priv->isr_stats.rx_handlers[pkt->hdr.cmd]++;
787 priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
789 /* No handling needed */
791 "r %d i %d No handler needed for %s, 0x%02x\n",
792 r, i, get_cmd_string(pkt->hdr.cmd),
797 * XXX: After here, we should always check rxb->page
798 * against NULL before touching it or its virtual
799 * memory (pkt). Because some rx_handler might have
800 * already taken or freed the pages.
804 /* Invoke any callbacks, transfer the buffer to caller,
805 * and fire off the (possibly) blocking iwl_send_cmd()
806 * as we reclaim the driver command queue */
808 iwl_tx_cmd_complete(priv, rxb);
810 IWL_WARN(priv, "Claim null rxb?\n");
813 /* Reuse the page if possible. For notification packets and
814 * SKBs that fail to Rx correctly, add them back into the
815 * rx_free list for reuse later. */
816 spin_lock_irqsave(&rxq->lock, flags);
817 if (rxb->page != NULL) {
818 rxb->page_dma = pci_map_page(priv->pci_dev, rxb->page,
819 0, PAGE_SIZE << priv->hw_params.rx_page_order,
821 list_add_tail(&rxb->list, &rxq->rx_free);
824 list_add_tail(&rxb->list, &rxq->rx_used);
826 spin_unlock_irqrestore(&rxq->lock, flags);
828 i = (i + 1) & RX_QUEUE_MASK;
829 /* If there are a lot of unused frames,
830 * restock the Rx queue so ucode wont assert. */
835 iwlagn_rx_replenish_now(priv);
841 /* Backtrack one entry */
844 iwlagn_rx_replenish_now(priv);
846 iwlagn_rx_queue_restock(priv);
849 /* tasklet for iwlagn interrupt */
850 static void iwl_irq_tasklet(struct iwl_priv *priv)
856 #ifdef CONFIG_IWLWIFI_DEBUG
860 spin_lock_irqsave(&priv->lock, flags);
862 /* Ack/clear/reset pending uCode interrupts.
863 * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
865 /* There is a hardware bug in the interrupt mask function that some
866 * interrupts (i.e. CSR_INT_BIT_SCD) can still be generated even if
867 * they are disabled in the CSR_INT_MASK register. Furthermore the
868 * ICT interrupt handling mechanism has another bug that might cause
869 * these unmasked interrupts fail to be detected. We workaround the
870 * hardware bugs here by ACKing all the possible interrupts so that
871 * interrupt coalescing can still be achieved.
873 iwl_write32(priv, CSR_INT, priv->_agn.inta | ~priv->inta_mask);
875 inta = priv->_agn.inta;
877 #ifdef CONFIG_IWLWIFI_DEBUG
878 if (iwl_get_debug_level(priv) & IWL_DL_ISR) {
880 inta_mask = iwl_read32(priv, CSR_INT_MASK);
881 IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x\n ",
886 spin_unlock_irqrestore(&priv->lock, flags);
888 /* saved interrupt in inta variable now we can reset priv->_agn.inta */
891 /* Now service all interrupt bits discovered above. */
892 if (inta & CSR_INT_BIT_HW_ERR) {
893 IWL_ERR(priv, "Hardware error detected. Restarting.\n");
895 /* Tell the device to stop sending interrupts */
896 iwl_disable_interrupts(priv);
898 priv->isr_stats.hw++;
899 iwl_irq_handle_error(priv);
901 handled |= CSR_INT_BIT_HW_ERR;
906 #ifdef CONFIG_IWLWIFI_DEBUG
907 if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
908 /* NIC fires this, but we don't use it, redundant with WAKEUP */
909 if (inta & CSR_INT_BIT_SCD) {
910 IWL_DEBUG_ISR(priv, "Scheduler finished to transmit "
911 "the frame/frames.\n");
912 priv->isr_stats.sch++;
915 /* Alive notification via Rx interrupt will do the real work */
916 if (inta & CSR_INT_BIT_ALIVE) {
917 IWL_DEBUG_ISR(priv, "Alive interrupt\n");
918 priv->isr_stats.alive++;
922 /* Safely ignore these bits for debug checks below */
923 inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE);
925 /* HW RF KILL switch toggled */
926 if (inta & CSR_INT_BIT_RF_KILL) {
928 if (!(iwl_read32(priv, CSR_GP_CNTRL) &
929 CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
932 IWL_WARN(priv, "RF_KILL bit toggled to %s.\n",
933 hw_rf_kill ? "disable radio" : "enable radio");
935 priv->isr_stats.rfkill++;
937 /* driver only loads ucode once setting the interface up.
938 * the driver allows loading the ucode even if the radio
939 * is killed. Hence update the killswitch state here. The
940 * rfkill handler will care about restarting if needed.
942 if (!test_bit(STATUS_ALIVE, &priv->status)) {
944 set_bit(STATUS_RF_KILL_HW, &priv->status);
946 clear_bit(STATUS_RF_KILL_HW, &priv->status);
947 wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill);
950 handled |= CSR_INT_BIT_RF_KILL;
953 /* Chip got too hot and stopped itself */
954 if (inta & CSR_INT_BIT_CT_KILL) {
955 IWL_ERR(priv, "Microcode CT kill error detected.\n");
956 priv->isr_stats.ctkill++;
957 handled |= CSR_INT_BIT_CT_KILL;
960 /* Error detected by uCode */
961 if (inta & CSR_INT_BIT_SW_ERR) {
962 IWL_ERR(priv, "Microcode SW error detected. "
963 " Restarting 0x%X.\n", inta);
964 priv->isr_stats.sw++;
965 iwl_irq_handle_error(priv);
966 handled |= CSR_INT_BIT_SW_ERR;
969 /* uCode wakes up after power-down sleep */
970 if (inta & CSR_INT_BIT_WAKEUP) {
971 IWL_DEBUG_ISR(priv, "Wakeup interrupt\n");
972 iwl_rx_queue_update_write_ptr(priv, &priv->rxq);
973 for (i = 0; i < priv->hw_params.max_txq_num; i++)
974 iwl_txq_update_write_ptr(priv, &priv->txq[i]);
976 priv->isr_stats.wakeup++;
978 handled |= CSR_INT_BIT_WAKEUP;
981 /* All uCode command responses, including Tx command responses,
982 * Rx "responses" (frame-received notification), and other
983 * notifications from uCode come through here*/
984 if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX |
985 CSR_INT_BIT_RX_PERIODIC)) {
986 IWL_DEBUG_ISR(priv, "Rx interrupt\n");
987 if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
988 handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
989 iwl_write32(priv, CSR_FH_INT_STATUS,
992 if (inta & CSR_INT_BIT_RX_PERIODIC) {
993 handled |= CSR_INT_BIT_RX_PERIODIC;
994 iwl_write32(priv, CSR_INT, CSR_INT_BIT_RX_PERIODIC);
996 /* Sending RX interrupt require many steps to be done in the
998 * 1- write interrupt to current index in ICT table.
1000 * 3- update RX shared data to indicate last write index.
1001 * 4- send interrupt.
1002 * This could lead to RX race, driver could receive RX interrupt
1003 * but the shared data changes does not reflect this;
1004 * periodic interrupt will detect any dangling Rx activity.
1007 /* Disable periodic interrupt; we use it as just a one-shot. */
1008 iwl_write8(priv, CSR_INT_PERIODIC_REG,
1009 CSR_INT_PERIODIC_DIS);
1010 iwl_rx_handle(priv);
1013 * Enable periodic interrupt in 8 msec only if we received
1014 * real RX interrupt (instead of just periodic int), to catch
1015 * any dangling Rx interrupt. If it was just the periodic
1016 * interrupt, there was no dangling Rx activity, and no need
1017 * to extend the periodic interrupt; one-shot is enough.
1019 if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX))
1020 iwl_write8(priv, CSR_INT_PERIODIC_REG,
1021 CSR_INT_PERIODIC_ENA);
1023 priv->isr_stats.rx++;
1026 /* This "Tx" DMA channel is used only for loading uCode */
1027 if (inta & CSR_INT_BIT_FH_TX) {
1028 iwl_write32(priv, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK);
1029 IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
1030 priv->isr_stats.tx++;
1031 handled |= CSR_INT_BIT_FH_TX;
1032 /* Wake up uCode load routine, now that load is complete */
1033 priv->ucode_write_complete = 1;
1034 wake_up_interruptible(&priv->wait_command_queue);
1037 if (inta & ~handled) {
1038 IWL_ERR(priv, "Unhandled INTA bits 0x%08x\n", inta & ~handled);
1039 priv->isr_stats.unhandled++;
1042 if (inta & ~(priv->inta_mask)) {
1043 IWL_WARN(priv, "Disabled INTA bits 0x%08x were pending\n",
1044 inta & ~priv->inta_mask);
1047 /* Re-enable all interrupts */
1048 /* only Re-enable if disabled by irq */
1049 if (test_bit(STATUS_INT_ENABLED, &priv->status))
1050 iwl_enable_interrupts(priv);
1051 /* Re-enable RF_KILL if it occurred */
1052 else if (handled & CSR_INT_BIT_RF_KILL)
1053 iwl_enable_rfkill_int(priv);
1056 /*****************************************************************************
1060 *****************************************************************************/
1062 #ifdef CONFIG_IWLWIFI_DEBUG
1065 * The following adds a new attribute to the sysfs representation
1066 * of this device driver (i.e. a new file in /sys/class/net/wlan0/device/)
1067 * used for controlling the debug level.
1069 * See the level definitions in iwl for details.
1071 * The debug_level being managed using sysfs below is a per device debug
1072 * level that is used instead of the global debug level if it (the per
1073 * device debug level) is set.
1075 static ssize_t show_debug_level(struct device *d,
1076 struct device_attribute *attr, char *buf)
1078 struct iwl_priv *priv = dev_get_drvdata(d);
1079 return sprintf(buf, "0x%08X\n", iwl_get_debug_level(priv));
1081 static ssize_t store_debug_level(struct device *d,
1082 struct device_attribute *attr,
1083 const char *buf, size_t count)
1085 struct iwl_priv *priv = dev_get_drvdata(d);
1089 ret = strict_strtoul(buf, 0, &val);
1091 IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf);
1093 priv->debug_level = val;
1094 if (iwl_alloc_traffic_mem(priv))
1096 "Not enough memory to generate traffic log\n");
1098 return strnlen(buf, count);
1101 static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
1102 show_debug_level, store_debug_level);
1105 #endif /* CONFIG_IWLWIFI_DEBUG */
1108 static ssize_t show_temperature(struct device *d,
1109 struct device_attribute *attr, char *buf)
1111 struct iwl_priv *priv = dev_get_drvdata(d);
1113 if (!iwl_is_alive(priv))
1116 return sprintf(buf, "%d\n", priv->temperature);
1119 static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL);
1121 static ssize_t show_tx_power(struct device *d,
1122 struct device_attribute *attr, char *buf)
1124 struct iwl_priv *priv = dev_get_drvdata(d);
1126 if (!iwl_is_ready_rf(priv))
1127 return sprintf(buf, "off\n");
1129 return sprintf(buf, "%d\n", priv->tx_power_user_lmt);
1132 static ssize_t store_tx_power(struct device *d,
1133 struct device_attribute *attr,
1134 const char *buf, size_t count)
1136 struct iwl_priv *priv = dev_get_drvdata(d);
1140 ret = strict_strtoul(buf, 10, &val);
1142 IWL_INFO(priv, "%s is not in decimal form.\n", buf);
1144 ret = iwl_set_tx_power(priv, val, false);
1146 IWL_ERR(priv, "failed setting tx power (0x%d).\n",
1154 static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power);
1156 static struct attribute *iwl_sysfs_entries[] = {
1157 &dev_attr_temperature.attr,
1158 &dev_attr_tx_power.attr,
1159 #ifdef CONFIG_IWLWIFI_DEBUG
1160 &dev_attr_debug_level.attr,
1165 static struct attribute_group iwl_attribute_group = {
1166 .name = NULL, /* put in device directory */
1167 .attrs = iwl_sysfs_entries,
1170 /******************************************************************************
1172 * uCode download functions
1174 ******************************************************************************/
1176 static void iwl_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc)
1179 dma_free_coherent(&pci_dev->dev, desc->len,
1180 desc->v_addr, desc->p_addr);
1181 desc->v_addr = NULL;
1185 static void iwl_free_fw_img(struct pci_dev *pci_dev, struct fw_img *img)
1187 iwl_free_fw_desc(pci_dev, &img->code);
1188 iwl_free_fw_desc(pci_dev, &img->data);
1191 static int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc,
1192 const void *data, size_t len)
1195 desc->v_addr = NULL;
1199 desc->v_addr = dma_alloc_coherent(&pci_dev->dev, len,
1200 &desc->p_addr, GFP_KERNEL);
1204 memcpy(desc->v_addr, data, len);
1208 static void iwl_dealloc_ucode_pci(struct iwl_priv *priv)
1210 iwl_free_fw_img(priv->pci_dev, &priv->ucode_rt);
1211 iwl_free_fw_img(priv->pci_dev, &priv->ucode_init);
1214 struct iwlagn_ucode_capabilities {
1215 u32 max_probe_length;
1216 u32 standard_phy_calibration_size;
1220 static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
1221 static int iwl_mac_setup_register(struct iwl_priv *priv,
1222 struct iwlagn_ucode_capabilities *capa);
1224 #define UCODE_EXPERIMENTAL_INDEX 100
1225 #define UCODE_EXPERIMENTAL_TAG "exp"
1227 static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
1229 const char *name_pre = priv->cfg->fw_name_pre;
1233 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
1234 priv->fw_index = UCODE_EXPERIMENTAL_INDEX;
1235 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
1236 } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
1238 priv->fw_index = priv->cfg->ucode_api_max;
1239 sprintf(tag, "%d", priv->fw_index);
1242 sprintf(tag, "%d", priv->fw_index);
1245 if (priv->fw_index < priv->cfg->ucode_api_min) {
1246 IWL_ERR(priv, "no suitable firmware found!\n");
1250 sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
1252 IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n",
1253 (priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
1254 ? "EXPERIMENTAL " : "",
1255 priv->firmware_name);
1257 return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
1258 &priv->pci_dev->dev, GFP_KERNEL, priv,
1259 iwl_ucode_callback);
1262 struct iwlagn_firmware_pieces {
1263 const void *inst, *data, *init, *init_data;
1264 size_t inst_size, data_size, init_size, init_data_size;
1268 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
1269 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
1272 static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
1273 const struct firmware *ucode_raw,
1274 struct iwlagn_firmware_pieces *pieces)
1276 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
1277 u32 api_ver, hdr_size;
1280 priv->ucode_ver = le32_to_cpu(ucode->ver);
1281 api_ver = IWL_UCODE_API(priv->ucode_ver);
1286 if (ucode_raw->size < hdr_size) {
1287 IWL_ERR(priv, "File size too small!\n");
1290 pieces->build = le32_to_cpu(ucode->u.v2.build);
1291 pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
1292 pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
1293 pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
1294 pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
1295 src = ucode->u.v2.data;
1301 if (ucode_raw->size < hdr_size) {
1302 IWL_ERR(priv, "File size too small!\n");
1306 pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
1307 pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
1308 pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
1309 pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
1310 src = ucode->u.v1.data;
1314 /* Verify size of file vs. image size info in file's header */
1315 if (ucode_raw->size != hdr_size + pieces->inst_size +
1316 pieces->data_size + pieces->init_size +
1317 pieces->init_data_size) {
1320 "uCode file size %d does not match expected size\n",
1321 (int)ucode_raw->size);
1326 src += pieces->inst_size;
1328 src += pieces->data_size;
1330 src += pieces->init_size;
1331 pieces->init_data = src;
1332 src += pieces->init_data_size;
1337 static int iwlagn_wanted_ucode_alternative = 1;
1339 static int iwlagn_load_firmware(struct iwl_priv *priv,
1340 const struct firmware *ucode_raw,
1341 struct iwlagn_firmware_pieces *pieces,
1342 struct iwlagn_ucode_capabilities *capa)
1344 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
1345 struct iwl_ucode_tlv *tlv;
1346 size_t len = ucode_raw->size;
1348 int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp;
1351 enum iwl_ucode_tlv_type tlv_type;
1354 if (len < sizeof(*ucode)) {
1355 IWL_ERR(priv, "uCode has invalid length: %zd\n", len);
1359 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
1360 IWL_ERR(priv, "invalid uCode magic: 0X%x\n",
1361 le32_to_cpu(ucode->magic));
1366 * Check which alternatives are present, and "downgrade"
1367 * when the chosen alternative is not present, warning
1368 * the user when that happens. Some files may not have
1369 * any alternatives, so don't warn in that case.
1371 alternatives = le64_to_cpu(ucode->alternatives);
1372 tmp = wanted_alternative;
1373 if (wanted_alternative > 63)
1374 wanted_alternative = 63;
1375 while (wanted_alternative && !(alternatives & BIT(wanted_alternative)))
1376 wanted_alternative--;
1377 if (wanted_alternative && wanted_alternative != tmp)
1379 "uCode alternative %d not available, choosing %d\n",
1380 tmp, wanted_alternative);
1382 priv->ucode_ver = le32_to_cpu(ucode->ver);
1383 pieces->build = le32_to_cpu(ucode->build);
1386 len -= sizeof(*ucode);
1388 while (len >= sizeof(*tlv)) {
1391 len -= sizeof(*tlv);
1394 tlv_len = le32_to_cpu(tlv->length);
1395 tlv_type = le16_to_cpu(tlv->type);
1396 tlv_alt = le16_to_cpu(tlv->alternative);
1397 tlv_data = tlv->data;
1399 if (len < tlv_len) {
1400 IWL_ERR(priv, "invalid TLV len: %zd/%u\n",
1404 len -= ALIGN(tlv_len, 4);
1405 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
1408 * Alternative 0 is always valid.
1410 * Skip alternative TLVs that are not selected.
1412 if (tlv_alt != 0 && tlv_alt != wanted_alternative)
1416 case IWL_UCODE_TLV_INST:
1417 pieces->inst = tlv_data;
1418 pieces->inst_size = tlv_len;
1420 case IWL_UCODE_TLV_DATA:
1421 pieces->data = tlv_data;
1422 pieces->data_size = tlv_len;
1424 case IWL_UCODE_TLV_INIT:
1425 pieces->init = tlv_data;
1426 pieces->init_size = tlv_len;
1428 case IWL_UCODE_TLV_INIT_DATA:
1429 pieces->init_data = tlv_data;
1430 pieces->init_data_size = tlv_len;
1432 case IWL_UCODE_TLV_BOOT:
1433 IWL_ERR(priv, "Found unexpected BOOT ucode\n");
1435 case IWL_UCODE_TLV_PROBE_MAX_LEN:
1436 if (tlv_len != sizeof(u32))
1437 goto invalid_tlv_len;
1438 capa->max_probe_length =
1439 le32_to_cpup((__le32 *)tlv_data);
1441 case IWL_UCODE_TLV_PAN:
1443 goto invalid_tlv_len;
1444 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
1446 case IWL_UCODE_TLV_FLAGS:
1447 /* must be at least one u32 */
1448 if (tlv_len < sizeof(u32))
1449 goto invalid_tlv_len;
1450 /* and a proper number of u32s */
1451 if (tlv_len % sizeof(u32))
1452 goto invalid_tlv_len;
1454 * This driver only reads the first u32 as
1455 * right now no more features are defined,
1456 * if that changes then either the driver
1457 * will not work with the new firmware, or
1458 * it'll not take advantage of new features.
1460 capa->flags = le32_to_cpup((__le32 *)tlv_data);
1462 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
1463 if (tlv_len != sizeof(u32))
1464 goto invalid_tlv_len;
1465 pieces->init_evtlog_ptr =
1466 le32_to_cpup((__le32 *)tlv_data);
1468 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
1469 if (tlv_len != sizeof(u32))
1470 goto invalid_tlv_len;
1471 pieces->init_evtlog_size =
1472 le32_to_cpup((__le32 *)tlv_data);
1474 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
1475 if (tlv_len != sizeof(u32))
1476 goto invalid_tlv_len;
1477 pieces->init_errlog_ptr =
1478 le32_to_cpup((__le32 *)tlv_data);
1480 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
1481 if (tlv_len != sizeof(u32))
1482 goto invalid_tlv_len;
1483 pieces->inst_evtlog_ptr =
1484 le32_to_cpup((__le32 *)tlv_data);
1486 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
1487 if (tlv_len != sizeof(u32))
1488 goto invalid_tlv_len;
1489 pieces->inst_evtlog_size =
1490 le32_to_cpup((__le32 *)tlv_data);
1492 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
1493 if (tlv_len != sizeof(u32))
1494 goto invalid_tlv_len;
1495 pieces->inst_errlog_ptr =
1496 le32_to_cpup((__le32 *)tlv_data);
1498 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
1500 goto invalid_tlv_len;
1501 priv->enhance_sensitivity_table = true;
1503 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
1504 if (tlv_len != sizeof(u32))
1505 goto invalid_tlv_len;
1506 capa->standard_phy_calibration_size =
1507 le32_to_cpup((__le32 *)tlv_data);
1510 IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type);
1516 IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len);
1517 iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len);
1524 IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1525 iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len);
1531 * iwl_ucode_callback - callback when firmware was loaded
1533 * If loaded successfully, copies the firmware into buffers
1534 * for the card to fetch (via DMA).
1536 static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
1538 struct iwl_priv *priv = context;
1539 struct iwl_ucode_header *ucode;
1541 struct iwlagn_firmware_pieces pieces;
1542 const unsigned int api_max = priv->cfg->ucode_api_max;
1543 const unsigned int api_min = priv->cfg->ucode_api_min;
1547 struct iwlagn_ucode_capabilities ucode_capa = {
1548 .max_probe_length = 200,
1549 .standard_phy_calibration_size =
1550 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE,
1553 memset(&pieces, 0, sizeof(pieces));
1556 if (priv->fw_index <= priv->cfg->ucode_api_max)
1558 "request for firmware file '%s' failed.\n",
1559 priv->firmware_name);
1563 IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
1564 priv->firmware_name, ucode_raw->size);
1566 /* Make sure that we got at least the API version number */
1567 if (ucode_raw->size < 4) {
1568 IWL_ERR(priv, "File size way too small!\n");
1572 /* Data from ucode file: header followed by uCode images */
1573 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1576 err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces);
1578 err = iwlagn_load_firmware(priv, ucode_raw, &pieces,
1584 api_ver = IWL_UCODE_API(priv->ucode_ver);
1585 build = pieces.build;
1588 * api_ver should match the api version forming part of the
1589 * firmware filename ... but we don't check for that and only rely
1590 * on the API version read from firmware header from here on forward
1592 /* no api version check required for experimental uCode */
1593 if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1594 if (api_ver < api_min || api_ver > api_max) {
1596 "Driver unable to support your firmware API. "
1597 "Driver supports v%u, firmware is v%u.\n",
1602 if (api_ver != api_max)
1604 "Firmware has old API version. Expected v%u, "
1605 "got v%u. New firmware can be obtained "
1606 "from http://www.intellinuxwireless.org.\n",
1611 sprintf(buildstr, " build %u%s", build,
1612 (priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
1617 IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n",
1618 IWL_UCODE_MAJOR(priv->ucode_ver),
1619 IWL_UCODE_MINOR(priv->ucode_ver),
1620 IWL_UCODE_API(priv->ucode_ver),
1621 IWL_UCODE_SERIAL(priv->ucode_ver),
1624 snprintf(priv->hw->wiphy->fw_version,
1625 sizeof(priv->hw->wiphy->fw_version),
1627 IWL_UCODE_MAJOR(priv->ucode_ver),
1628 IWL_UCODE_MINOR(priv->ucode_ver),
1629 IWL_UCODE_API(priv->ucode_ver),
1630 IWL_UCODE_SERIAL(priv->ucode_ver),
1634 * For any of the failures below (before allocating pci memory)
1635 * we will try to load a version with a smaller API -- maybe the
1636 * user just got a corrupted version of the latest API.
1639 IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
1641 IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n",
1643 IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n",
1645 IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n",
1647 IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
1648 pieces.init_data_size);
1650 /* Verify that uCode images will fit in card's SRAM */
1651 if (pieces.inst_size > priv->hw_params.max_inst_size) {
1652 IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n",
1657 if (pieces.data_size > priv->hw_params.max_data_size) {
1658 IWL_ERR(priv, "uCode data len %Zd too large to fit in\n",
1663 if (pieces.init_size > priv->hw_params.max_inst_size) {
1664 IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n",
1669 if (pieces.init_data_size > priv->hw_params.max_data_size) {
1670 IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n",
1671 pieces.init_data_size);
1675 /* Allocate ucode buffers for card's bus-master loading ... */
1677 /* Runtime instructions and 2 copies of data:
1678 * 1) unmodified from disk
1679 * 2) backup cache for save/restore during power-downs */
1680 if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.code,
1681 pieces.inst, pieces.inst_size))
1683 if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.data,
1684 pieces.data, pieces.data_size))
1687 /* Initialization instructions and data */
1688 if (pieces.init_size && pieces.init_data_size) {
1689 if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.code,
1690 pieces.init, pieces.init_size))
1692 if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.data,
1693 pieces.init_data, pieces.init_data_size))
1697 /* Now that we can no longer fail, copy information */
1700 * The (size - 16) / 12 formula is based on the information recorded
1701 * for each event, which is of mode 1 (including timestamp) for all
1702 * new microcodes that include this information.
1704 priv->_agn.init_evtlog_ptr = pieces.init_evtlog_ptr;
1705 if (pieces.init_evtlog_size)
1706 priv->_agn.init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
1708 priv->_agn.init_evtlog_size =
1709 priv->cfg->base_params->max_event_log_size;
1710 priv->_agn.init_errlog_ptr = pieces.init_errlog_ptr;
1711 priv->_agn.inst_evtlog_ptr = pieces.inst_evtlog_ptr;
1712 if (pieces.inst_evtlog_size)
1713 priv->_agn.inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
1715 priv->_agn.inst_evtlog_size =
1716 priv->cfg->base_params->max_event_log_size;
1717 priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr;
1719 if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) {
1720 priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
1721 priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
1723 priv->sta_key_max_num = STA_KEY_MAX_NUM;
1725 if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))
1726 priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
1728 priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
1731 * figure out the offset of chain noise reset and gain commands
1732 * base on the size of standard phy calibration commands table size
1734 if (ucode_capa.standard_phy_calibration_size >
1735 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1736 ucode_capa.standard_phy_calibration_size =
1737 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1739 priv->_agn.phy_calib_chain_noise_reset_cmd =
1740 ucode_capa.standard_phy_calibration_size;
1741 priv->_agn.phy_calib_chain_noise_gain_cmd =
1742 ucode_capa.standard_phy_calibration_size + 1;
1744 /**************************************************
1745 * This is still part of probe() in a sense...
1747 * 9. Setup and register with mac80211 and debugfs
1748 **************************************************/
1749 err = iwl_mac_setup_register(priv, &ucode_capa);
1753 err = iwl_dbgfs_register(priv, DRV_NAME);
1755 IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
1757 err = sysfs_create_group(&priv->pci_dev->dev.kobj,
1758 &iwl_attribute_group);
1760 IWL_ERR(priv, "failed to create sysfs device attributes\n");
1764 /* We have our copies now, allow OS release its copies */
1765 release_firmware(ucode_raw);
1766 complete(&priv->_agn.firmware_loading_complete);
1770 /* try next, if any */
1771 if (iwl_request_firmware(priv, false))
1773 release_firmware(ucode_raw);
1777 IWL_ERR(priv, "failed to allocate pci memory\n");
1778 iwl_dealloc_ucode_pci(priv);
1780 complete(&priv->_agn.firmware_loading_complete);
1781 device_release_driver(&priv->pci_dev->dev);
1782 release_firmware(ucode_raw);
1785 static const char *desc_lookup_text[] = {
1790 "NMI_INTERRUPT_WDG",
1794 "HW_ERROR_TUNE_LOCK",
1795 "HW_ERROR_TEMPERATURE",
1796 "ILLEGAL_CHAN_FREQ",
1799 "NMI_INTERRUPT_HOST",
1800 "NMI_INTERRUPT_ACTION_PT",
1801 "NMI_INTERRUPT_UNKNOWN",
1802 "UCODE_VERSION_MISMATCH",
1803 "HW_ERROR_ABS_LOCK",
1804 "HW_ERROR_CAL_LOCK_FAIL",
1805 "NMI_INTERRUPT_INST_ACTION_PT",
1806 "NMI_INTERRUPT_DATA_ACTION_PT",
1808 "NMI_INTERRUPT_TRM",
1809 "NMI_INTERRUPT_BREAK_POINT"
1816 static struct { char *name; u8 num; } advanced_lookup[] = {
1817 { "NMI_INTERRUPT_WDG", 0x34 },
1818 { "SYSASSERT", 0x35 },
1819 { "UCODE_VERSION_MISMATCH", 0x37 },
1820 { "BAD_COMMAND", 0x38 },
1821 { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
1822 { "FATAL_ERROR", 0x3D },
1823 { "NMI_TRM_HW_ERR", 0x46 },
1824 { "NMI_INTERRUPT_TRM", 0x4C },
1825 { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
1826 { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
1827 { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
1828 { "NMI_INTERRUPT_HOST", 0x66 },
1829 { "NMI_INTERRUPT_ACTION_PT", 0x7C },
1830 { "NMI_INTERRUPT_UNKNOWN", 0x84 },
1831 { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
1832 { "ADVANCED_SYSASSERT", 0 },
1835 static const char *desc_lookup(u32 num)
1838 int max = ARRAY_SIZE(desc_lookup_text);
1841 return desc_lookup_text[num];
1843 max = ARRAY_SIZE(advanced_lookup) - 1;
1844 for (i = 0; i < max; i++) {
1845 if (advanced_lookup[i].num == num)
1848 return advanced_lookup[i].name;
1851 #define ERROR_START_OFFSET (1 * sizeof(u32))
1852 #define ERROR_ELEM_SIZE (7 * sizeof(u32))
1854 void iwl_dump_nic_error_log(struct iwl_priv *priv)
1857 u32 desc, time, count, base, data1;
1858 u32 blink1, blink2, ilink1, ilink2;
1860 struct iwl_error_event_table table;
1862 base = priv->device_pointers.error_event_table;
1863 if (priv->ucode_type == UCODE_SUBTYPE_INIT) {
1865 base = priv->_agn.init_errlog_ptr;
1868 base = priv->_agn.inst_errlog_ptr;
1871 if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
1873 "Not valid error log pointer 0x%08X for %s uCode\n",
1875 (priv->ucode_type == UCODE_SUBTYPE_INIT)
1880 iwl_read_targ_mem_words(priv, base, &table, sizeof(table));
1882 count = table.valid;
1884 if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
1885 IWL_ERR(priv, "Start IWL Error Log Dump:\n");
1886 IWL_ERR(priv, "Status: 0x%08lX, count: %d\n",
1887 priv->status, count);
1890 desc = table.error_id;
1891 priv->isr_stats.err_code = desc;
1893 blink1 = table.blink1;
1894 blink2 = table.blink2;
1895 ilink1 = table.ilink1;
1896 ilink2 = table.ilink2;
1897 data1 = table.data1;
1898 data2 = table.data2;
1900 time = table.tsf_low;
1903 trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line,
1904 blink1, blink2, ilink1, ilink2);
1906 IWL_ERR(priv, "Desc Time "
1907 "data1 data2 line\n");
1908 IWL_ERR(priv, "%-28s (0x%04X) %010u 0x%08X 0x%08X %u\n",
1909 desc_lookup(desc), desc, time, data1, data2, line);
1910 IWL_ERR(priv, "pc blink1 blink2 ilink1 ilink2 hcmd\n");
1911 IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X 0x%05X 0x%05X\n",
1912 pc, blink1, blink2, ilink1, ilink2, hcmd);
1915 #define EVENT_START_OFFSET (4 * sizeof(u32))
1918 * iwl_print_event_log - Dump error event log to syslog
1921 static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
1922 u32 num_events, u32 mode,
1923 int pos, char **buf, size_t bufsz)
1926 u32 base; /* SRAM byte address of event log header */
1927 u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
1928 u32 ptr; /* SRAM byte address of log data */
1929 u32 ev, time, data; /* event log data */
1930 unsigned long reg_flags;
1932 if (num_events == 0)
1935 base = priv->device_pointers.log_event_table;
1936 if (priv->ucode_type == UCODE_SUBTYPE_INIT) {
1938 base = priv->_agn.init_evtlog_ptr;
1941 base = priv->_agn.inst_evtlog_ptr;
1945 event_size = 2 * sizeof(u32);
1947 event_size = 3 * sizeof(u32);
1949 ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
1951 /* Make sure device is powered up for SRAM reads */
1952 spin_lock_irqsave(&priv->reg_lock, reg_flags);
1953 iwl_grab_nic_access(priv);
1955 /* Set starting address; reads will auto-increment */
1956 iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr);
1959 /* "time" is actually "data" for mode 0 (no timestamp).
1960 * place event id # at far right for easier visual parsing. */
1961 for (i = 0; i < num_events; i++) {
1962 ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
1963 time = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
1967 pos += scnprintf(*buf + pos, bufsz - pos,
1968 "EVT_LOG:0x%08x:%04u\n",
1971 trace_iwlwifi_dev_ucode_event(priv, 0,
1973 IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n",
1977 data = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
1979 pos += scnprintf(*buf + pos, bufsz - pos,
1980 "EVT_LOGT:%010u:0x%08x:%04u\n",
1983 IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
1985 trace_iwlwifi_dev_ucode_event(priv, time,
1991 /* Allow device to power down */
1992 iwl_release_nic_access(priv);
1993 spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
1998 * iwl_print_last_event_logs - Dump the newest # of event log to syslog
2000 static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity,
2001 u32 num_wraps, u32 next_entry,
2003 int pos, char **buf, size_t bufsz)
2006 * display the newest DEFAULT_LOG_ENTRIES entries
2007 * i.e the entries just before the next ont that uCode would fill.
2010 if (next_entry < size) {
2011 pos = iwl_print_event_log(priv,
2012 capacity - (size - next_entry),
2013 size - next_entry, mode,
2015 pos = iwl_print_event_log(priv, 0,
2019 pos = iwl_print_event_log(priv, next_entry - size,
2020 size, mode, pos, buf, bufsz);
2022 if (next_entry < size) {
2023 pos = iwl_print_event_log(priv, 0, next_entry,
2024 mode, pos, buf, bufsz);
2026 pos = iwl_print_event_log(priv, next_entry - size,
2027 size, mode, pos, buf, bufsz);
2033 #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
2035 int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
2036 char **buf, bool display)
2038 u32 base; /* SRAM byte address of event log header */
2039 u32 capacity; /* event log capacity in # entries */
2040 u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
2041 u32 num_wraps; /* # times uCode wrapped to top of log */
2042 u32 next_entry; /* index of next entry to be written by uCode */
2043 u32 size; /* # entries that we'll print */
2048 base = priv->device_pointers.log_event_table;
2049 if (priv->ucode_type == UCODE_SUBTYPE_INIT) {
2050 logsize = priv->_agn.init_evtlog_size;
2052 base = priv->_agn.init_evtlog_ptr;
2054 logsize = priv->_agn.inst_evtlog_size;
2056 base = priv->_agn.inst_evtlog_ptr;
2059 if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
2061 "Invalid event log pointer 0x%08X for %s uCode\n",
2063 (priv->ucode_type == UCODE_SUBTYPE_INIT)
2068 /* event log header */
2069 capacity = iwl_read_targ_mem(priv, base);
2070 mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32)));
2071 num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
2072 next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
2074 if (capacity > logsize) {
2075 IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
2080 if (next_entry > logsize) {
2081 IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
2082 next_entry, logsize);
2083 next_entry = logsize;
2086 size = num_wraps ? capacity : next_entry;
2088 /* bail out if nothing in log */
2090 IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
2094 /* enable/disable bt channel inhibition */
2095 priv->bt_ch_announce = iwlagn_bt_ch_announce;
2097 #ifdef CONFIG_IWLWIFI_DEBUG
2098 if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log)
2099 size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
2100 ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
2102 size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
2103 ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
2105 IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n",
2108 #ifdef CONFIG_IWLWIFI_DEBUG
2111 bufsz = capacity * 48;
2114 *buf = kmalloc(bufsz, GFP_KERNEL);
2118 if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
2120 * if uCode has wrapped back to top of log,
2121 * start at the oldest entry,
2122 * i.e the next one that uCode would fill.
2125 pos = iwl_print_event_log(priv, next_entry,
2126 capacity - next_entry, mode,
2128 /* (then/else) start at top of log */
2129 pos = iwl_print_event_log(priv, 0,
2130 next_entry, mode, pos, buf, bufsz);
2132 pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
2133 next_entry, size, mode,
2136 pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
2137 next_entry, size, mode,
2143 static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
2145 struct iwl_ct_kill_config cmd;
2146 struct iwl_ct_kill_throttling_config adv_cmd;
2147 unsigned long flags;
2150 spin_lock_irqsave(&priv->lock, flags);
2151 iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
2152 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
2153 spin_unlock_irqrestore(&priv->lock, flags);
2154 priv->thermal_throttle.ct_kill_toggle = false;
2156 if (priv->cfg->base_params->support_ct_kill_exit) {
2157 adv_cmd.critical_temperature_enter =
2158 cpu_to_le32(priv->hw_params.ct_kill_threshold);
2159 adv_cmd.critical_temperature_exit =
2160 cpu_to_le32(priv->hw_params.ct_kill_exit_threshold);
2162 ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
2163 sizeof(adv_cmd), &adv_cmd);
2165 IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
2167 IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
2169 "critical temperature enter is %d,"
2171 priv->hw_params.ct_kill_threshold,
2172 priv->hw_params.ct_kill_exit_threshold);
2174 cmd.critical_temperature_R =
2175 cpu_to_le32(priv->hw_params.ct_kill_threshold);
2177 ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
2180 IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
2182 IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
2184 "critical temperature is %d\n",
2185 priv->hw_params.ct_kill_threshold);
2189 static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
2191 struct iwl_calib_cfg_cmd calib_cfg_cmd;
2192 struct iwl_host_cmd cmd = {
2193 .id = CALIBRATION_CFG_CMD,
2194 .len = sizeof(struct iwl_calib_cfg_cmd),
2195 .data = &calib_cfg_cmd,
2198 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
2199 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
2200 calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg);
2202 return iwl_send_cmd(priv, &cmd);
2207 * iwl_alive_start - called after REPLY_ALIVE notification received
2208 * from protocol/runtime uCode (initialization uCode's
2209 * Alive gets handled by iwl_init_alive_start()).
2211 static int iwl_alive_start(struct iwl_priv *priv)
2214 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
2216 iwl_reset_ict(priv);
2218 IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
2220 /* After the ALIVE response, we can send host commands to the uCode */
2221 set_bit(STATUS_ALIVE, &priv->status);
2223 /* Enable watchdog to monitor the driver tx queues */
2224 iwl_setup_watchdog(priv);
2226 if (iwl_is_rfkill(priv))
2229 /* download priority table before any calibration request */
2230 if (priv->cfg->bt_params &&
2231 priv->cfg->bt_params->advanced_bt_coexist) {
2232 /* Configure Bluetooth device coexistence support */
2233 priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
2234 priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
2235 priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
2236 priv->cfg->ops->hcmd->send_bt_config(priv);
2237 priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
2238 iwlagn_send_prio_tbl(priv);
2240 /* FIXME: w/a to force change uCode BT state machine */
2241 ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
2242 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
2245 ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE,
2246 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
2250 if (priv->hw_params.calib_rt_cfg)
2251 iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg);
2253 ieee80211_wake_queues(priv->hw);
2255 priv->active_rate = IWL_RATES_MASK;
2257 /* Configure Tx antenna selection based on H/W config */
2258 if (priv->cfg->ops->hcmd->set_tx_ant)
2259 priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant);
2261 if (iwl_is_associated_ctx(ctx)) {
2262 struct iwl_rxon_cmd *active_rxon =
2263 (struct iwl_rxon_cmd *)&ctx->active;
2264 /* apply any changes in staging */
2265 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
2266 active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
2268 struct iwl_rxon_context *tmp;
2269 /* Initialize our rx_config data */
2270 for_each_context(priv, tmp)
2271 iwl_connection_init_rx_config(priv, tmp);
2273 if (priv->cfg->ops->hcmd->set_rxon_chain)
2274 priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
2277 if (!priv->cfg->bt_params || (priv->cfg->bt_params &&
2278 !priv->cfg->bt_params->advanced_bt_coexist)) {
2280 * default is 2-wire BT coexexistence support
2282 priv->cfg->ops->hcmd->send_bt_config(priv);
2285 iwl_reset_run_time_calib(priv);
2287 set_bit(STATUS_READY, &priv->status);
2289 /* Configure the adapter for unassociated operation */
2290 ret = iwlcore_commit_rxon(priv, ctx);
2294 /* At this point, the NIC is initialized and operational */
2295 iwl_rf_kill_ct_config(priv);
2297 IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
2299 return iwl_power_update_mode(priv, true);
2302 static void iwl_cancel_deferred_work(struct iwl_priv *priv);
2304 static void __iwl_down(struct iwl_priv *priv)
2308 IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
2310 iwl_scan_cancel_timeout(priv, 200);
2312 exit_pending = test_and_set_bit(STATUS_EXIT_PENDING, &priv->status);
2314 /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
2315 * to prevent rearm timer */
2316 del_timer_sync(&priv->watchdog);
2318 iwl_clear_ucode_stations(priv, NULL);
2319 iwl_dealloc_bcast_stations(priv);
2320 iwl_clear_driver_stations(priv);
2322 /* reset BT coex data */
2323 priv->bt_status = 0;
2324 if (priv->cfg->bt_params)
2325 priv->bt_traffic_load =
2326 priv->cfg->bt_params->bt_init_traffic_load;
2328 priv->bt_traffic_load = 0;
2329 priv->bt_full_concurrent = false;
2330 priv->bt_ci_compliance = 0;
2332 /* Wipe out the EXIT_PENDING status bit if we are not actually
2333 * exiting the module */
2335 clear_bit(STATUS_EXIT_PENDING, &priv->status);
2337 if (priv->mac80211_registered)
2338 ieee80211_stop_queues(priv->hw);
2340 /* Clear out all status bits but a few that are stable across reset */
2341 priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) <<
2343 test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
2344 STATUS_GEO_CONFIGURED |
2345 test_bit(STATUS_FW_ERROR, &priv->status) <<
2347 test_bit(STATUS_EXIT_PENDING, &priv->status) <<
2348 STATUS_EXIT_PENDING;
2350 iwlagn_stop_device(priv);
2352 dev_kfree_skb(priv->beacon_skb);
2353 priv->beacon_skb = NULL;
2355 /* clear out any free frames */
2356 iwl_clear_free_frames(priv);
2359 static void iwl_down(struct iwl_priv *priv)
2361 mutex_lock(&priv->mutex);
2363 mutex_unlock(&priv->mutex);
2365 iwl_cancel_deferred_work(priv);
2368 #define HW_READY_TIMEOUT (50)
2370 /* Note: returns poll_bit return value, which is >= 0 if success */
2371 static int iwl_set_hw_ready(struct iwl_priv *priv)
2375 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
2376 CSR_HW_IF_CONFIG_REG_BIT_NIC_READY);
2378 /* See if we got it */
2379 ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG,
2380 CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
2381 CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
2384 IWL_DEBUG_INFO(priv, "hardware%s ready\n", ret < 0 ? " not" : "");
2388 /* Note: returns standard 0/-ERROR code */
2389 int iwl_prepare_card_hw(struct iwl_priv *priv)
2393 IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter\n");
2395 ret = iwl_set_hw_ready(priv);
2399 /* If HW is not ready, prepare the conditions to check again */
2400 iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
2401 CSR_HW_IF_CONFIG_REG_PREPARE);
2403 ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG,
2404 ~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE,
2405 CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000);
2410 /* HW should be ready by now, check again. */
2411 ret = iwl_set_hw_ready(priv);
2417 #define MAX_HW_RESTARTS 5
2419 static int __iwl_up(struct iwl_priv *priv)
2421 struct iwl_rxon_context *ctx;
2424 lockdep_assert_held(&priv->mutex);
2426 if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
2427 IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
2431 for_each_context(priv, ctx) {
2432 ret = iwlagn_alloc_bcast_station(priv, ctx);
2434 iwl_dealloc_bcast_stations(priv);
2439 ret = iwlagn_run_init_ucode(priv);
2441 IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret);
2445 ret = iwlagn_load_ucode_wait_alive(priv,
2447 UCODE_SUBTYPE_REGULAR,
2448 UCODE_SUBTYPE_REGULAR_NEW);
2450 IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret);
2454 ret = iwl_alive_start(priv);
2460 set_bit(STATUS_EXIT_PENDING, &priv->status);
2462 clear_bit(STATUS_EXIT_PENDING, &priv->status);
2464 IWL_ERR(priv, "Unable to initialize device.\n");
2469 /*****************************************************************************
2471 * Workqueue callbacks
2473 *****************************************************************************/
2475 static void iwl_bg_run_time_calib_work(struct work_struct *work)
2477 struct iwl_priv *priv = container_of(work, struct iwl_priv,
2478 run_time_calib_work);
2480 mutex_lock(&priv->mutex);
2482 if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
2483 test_bit(STATUS_SCANNING, &priv->status)) {
2484 mutex_unlock(&priv->mutex);
2488 if (priv->start_calib) {
2489 iwl_chain_noise_calibration(priv);
2490 iwl_sensitivity_calibration(priv);
2493 mutex_unlock(&priv->mutex);
2496 static void iwlagn_prepare_restart(struct iwl_priv *priv)
2498 struct iwl_rxon_context *ctx;
2499 bool bt_full_concurrent;
2500 u8 bt_ci_compliance;
2504 lockdep_assert_held(&priv->mutex);
2506 for_each_context(priv, ctx)
2511 * __iwl_down() will clear the BT status variables,
2512 * which is correct, but when we restart we really
2513 * want to keep them so restore them afterwards.
2515 * The restart process will later pick them up and
2516 * re-configure the hw when we reconfigure the BT
2519 bt_full_concurrent = priv->bt_full_concurrent;
2520 bt_ci_compliance = priv->bt_ci_compliance;
2521 bt_load = priv->bt_traffic_load;
2522 bt_status = priv->bt_status;
2526 priv->bt_full_concurrent = bt_full_concurrent;
2527 priv->bt_ci_compliance = bt_ci_compliance;
2528 priv->bt_traffic_load = bt_load;
2529 priv->bt_status = bt_status;
2532 static void iwl_bg_restart(struct work_struct *data)
2534 struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
2536 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
2539 if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
2540 mutex_lock(&priv->mutex);
2541 iwlagn_prepare_restart(priv);
2542 mutex_unlock(&priv->mutex);
2543 iwl_cancel_deferred_work(priv);
2544 ieee80211_restart_hw(priv->hw);
2550 static void iwl_bg_rx_replenish(struct work_struct *data)
2552 struct iwl_priv *priv =
2553 container_of(data, struct iwl_priv, rx_replenish);
2555 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
2558 mutex_lock(&priv->mutex);
2559 iwlagn_rx_replenish(priv);
2560 mutex_unlock(&priv->mutex);
2563 static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
2564 struct ieee80211_channel *chan,
2565 enum nl80211_channel_type channel_type,
2568 struct iwl_priv *priv = hw->priv;
2571 /* Not supported if we don't have PAN */
2572 if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) {
2577 /* Not supported on pre-P2P firmware */
2578 if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
2579 BIT(NL80211_IFTYPE_P2P_CLIENT))) {
2584 mutex_lock(&priv->mutex);
2586 if (!priv->contexts[IWL_RXON_CTX_PAN].is_active) {
2588 * If the PAN context is free, use the normal
2589 * way of doing remain-on-channel offload + TX.
2595 /* TODO: queue up if scanning? */
2596 if (test_bit(STATUS_SCANNING, &priv->status) ||
2597 priv->_agn.offchan_tx_skb) {
2603 * max_scan_ie_len doesn't include the blank SSID or the header,
2604 * so need to add that again here.
2606 if (skb->len > hw->wiphy->max_scan_ie_len + 24 + 2) {
2611 priv->_agn.offchan_tx_skb = skb;
2612 priv->_agn.offchan_tx_timeout = wait;
2613 priv->_agn.offchan_tx_chan = chan;
2615 ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif,
2616 IWL_SCAN_OFFCH_TX, chan->band);
2618 priv->_agn.offchan_tx_skb = NULL;
2620 mutex_unlock(&priv->mutex);
2628 static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw)
2630 struct iwl_priv *priv = hw->priv;
2633 mutex_lock(&priv->mutex);
2635 if (!priv->_agn.offchan_tx_skb) {
2640 priv->_agn.offchan_tx_skb = NULL;
2642 ret = iwl_scan_cancel_timeout(priv, 200);
2646 mutex_unlock(&priv->mutex);
2651 /*****************************************************************************
2653 * mac80211 entry point functions
2655 *****************************************************************************/
2658 * Not a mac80211 entry point function, but it fits in with all the
2659 * other mac80211 functions grouped here.
2661 static int iwl_mac_setup_register(struct iwl_priv *priv,
2662 struct iwlagn_ucode_capabilities *capa)
2665 struct ieee80211_hw *hw = priv->hw;
2666 struct iwl_rxon_context *ctx;
2668 hw->rate_control_algorithm = "iwl-agn-rs";
2670 /* Tell mac80211 our characteristics */
2671 hw->flags = IEEE80211_HW_SIGNAL_DBM |
2672 IEEE80211_HW_AMPDU_AGGREGATION |
2673 IEEE80211_HW_NEED_DTIM_PERIOD |
2674 IEEE80211_HW_SPECTRUM_MGMT |
2675 IEEE80211_HW_REPORTS_TX_ACK_STATUS;
2677 hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
2679 hw->flags |= IEEE80211_HW_SUPPORTS_PS |
2680 IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
2682 if (priv->cfg->sku & IWL_SKU_N)
2683 hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
2684 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
2686 if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP)
2687 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
2689 hw->sta_data_size = sizeof(struct iwl_station_priv);
2690 hw->vif_data_size = sizeof(struct iwl_vif_priv);
2692 for_each_context(priv, ctx) {
2693 hw->wiphy->interface_modes |= ctx->interface_modes;
2694 hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
2697 hw->wiphy->max_remain_on_channel_duration = 1000;
2699 hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
2700 WIPHY_FLAG_DISABLE_BEACON_HINTS |
2701 WIPHY_FLAG_IBSS_RSN;
2704 * For now, disable PS by default because it affects
2705 * RX performance significantly.
2707 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2709 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
2710 /* we create the 802.11 header and a zero-length SSID element */
2711 hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2;
2713 /* Default value; 4 EDCA QOS priorities */
2716 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
2718 if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
2719 priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
2720 &priv->bands[IEEE80211_BAND_2GHZ];
2721 if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
2722 priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
2723 &priv->bands[IEEE80211_BAND_5GHZ];
2725 iwl_leds_init(priv);
2727 ret = ieee80211_register_hw(priv->hw);
2729 IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
2732 priv->mac80211_registered = 1;
2738 static int iwlagn_mac_start(struct ieee80211_hw *hw)
2740 struct iwl_priv *priv = hw->priv;
2743 IWL_DEBUG_MAC80211(priv, "enter\n");
2745 /* we should be verifying the device is ready to be opened */
2746 mutex_lock(&priv->mutex);
2747 ret = __iwl_up(priv);
2748 mutex_unlock(&priv->mutex);
2752 IWL_DEBUG_INFO(priv, "Start UP work done.\n");
2754 /* Now we should be done, and the READY bit should be set. */
2755 if (WARN_ON(!test_bit(STATUS_READY, &priv->status)))
2758 iwlagn_led_enable(priv);
2761 IWL_DEBUG_MAC80211(priv, "leave\n");
2765 static void iwlagn_mac_stop(struct ieee80211_hw *hw)
2767 struct iwl_priv *priv = hw->priv;
2769 IWL_DEBUG_MAC80211(priv, "enter\n");
2778 flush_workqueue(priv->workqueue);
2780 /* User space software may expect getting rfkill changes
2781 * even if interface is down */
2782 iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
2783 iwl_enable_rfkill_int(priv);
2785 IWL_DEBUG_MAC80211(priv, "leave\n");
2788 static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
2790 struct iwl_priv *priv = hw->priv;
2792 IWL_DEBUG_MACDUMP(priv, "enter\n");
2794 IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
2795 ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
2797 if (iwlagn_tx_skb(priv, skb))
2798 dev_kfree_skb_any(skb);
2800 IWL_DEBUG_MACDUMP(priv, "leave\n");
2803 static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
2804 struct ieee80211_vif *vif,
2805 struct ieee80211_key_conf *keyconf,
2806 struct ieee80211_sta *sta,
2807 u32 iv32, u16 *phase1key)
2809 struct iwl_priv *priv = hw->priv;
2810 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
2812 IWL_DEBUG_MAC80211(priv, "enter\n");
2814 iwl_update_tkip_key(priv, vif_priv->ctx, keyconf, sta,
2817 IWL_DEBUG_MAC80211(priv, "leave\n");
2820 static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
2821 struct ieee80211_vif *vif,
2822 struct ieee80211_sta *sta,
2823 struct ieee80211_key_conf *key)
2825 struct iwl_priv *priv = hw->priv;
2826 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
2827 struct iwl_rxon_context *ctx = vif_priv->ctx;
2830 bool is_default_wep_key = false;
2832 IWL_DEBUG_MAC80211(priv, "enter\n");
2834 if (priv->cfg->mod_params->sw_crypto) {
2835 IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n");
2840 * To support IBSS RSN, don't program group keys in IBSS, the
2841 * hardware will then not attempt to decrypt the frames.
2843 if (vif->type == NL80211_IFTYPE_ADHOC &&
2844 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
2847 sta_id = iwl_sta_id_or_broadcast(priv, vif_priv->ctx, sta);
2848 if (sta_id == IWL_INVALID_STATION)
2851 mutex_lock(&priv->mutex);
2852 iwl_scan_cancel_timeout(priv, 100);
2855 * If we are getting WEP group key and we didn't receive any key mapping
2856 * so far, we are in legacy wep mode (group key only), otherwise we are
2858 * In legacy wep mode, we use another host command to the uCode.
2860 if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
2861 key->cipher == WLAN_CIPHER_SUITE_WEP104) &&
2864 is_default_wep_key = !ctx->key_mapping_keys;
2866 is_default_wep_key =
2867 (key->hw_key_idx == HW_KEY_DEFAULT);
2872 if (is_default_wep_key)
2873 ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key);
2875 ret = iwl_set_dynamic_key(priv, vif_priv->ctx,
2878 IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n");
2881 if (is_default_wep_key)
2882 ret = iwl_remove_default_wep_key(priv, ctx, key);
2884 ret = iwl_remove_dynamic_key(priv, ctx, key, sta_id);
2886 IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n");
2892 mutex_unlock(&priv->mutex);
2893 IWL_DEBUG_MAC80211(priv, "leave\n");
2898 static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
2899 struct ieee80211_vif *vif,
2900 enum ieee80211_ampdu_mlme_action action,
2901 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
2904 struct iwl_priv *priv = hw->priv;
2906 struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
2908 IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
2911 if (!(priv->cfg->sku & IWL_SKU_N))
2914 mutex_lock(&priv->mutex);
2917 case IEEE80211_AMPDU_RX_START:
2918 IWL_DEBUG_HT(priv, "start Rx\n");
2919 ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
2921 case IEEE80211_AMPDU_RX_STOP:
2922 IWL_DEBUG_HT(priv, "stop Rx\n");
2923 ret = iwl_sta_rx_agg_stop(priv, sta, tid);
2924 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
2927 case IEEE80211_AMPDU_TX_START:
2928 IWL_DEBUG_HT(priv, "start Tx\n");
2929 ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
2931 priv->_agn.agg_tids_count++;
2932 IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
2933 priv->_agn.agg_tids_count);
2936 case IEEE80211_AMPDU_TX_STOP:
2937 IWL_DEBUG_HT(priv, "stop Tx\n");
2938 ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
2939 if ((ret == 0) && (priv->_agn.agg_tids_count > 0)) {
2940 priv->_agn.agg_tids_count--;
2941 IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
2942 priv->_agn.agg_tids_count);
2944 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
2946 if (priv->cfg->ht_params &&
2947 priv->cfg->ht_params->use_rts_for_aggregation) {
2948 struct iwl_station_priv *sta_priv =
2949 (void *) sta->drv_priv;
2951 * switch off RTS/CTS if it was previously enabled
2954 sta_priv->lq_sta.lq.general_params.flags &=
2955 ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
2956 iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
2957 &sta_priv->lq_sta.lq, CMD_ASYNC, false);
2960 case IEEE80211_AMPDU_TX_OPERATIONAL:
2961 buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF);
2963 iwlagn_txq_agg_queue_setup(priv, sta, tid, buf_size);
2966 * If the limit is 0, then it wasn't initialised yet,
2967 * use the default. We can do that since we take the
2968 * minimum below, and we don't want to go above our
2969 * default due to hardware restrictions.
2971 if (sta_priv->max_agg_bufsize == 0)
2972 sta_priv->max_agg_bufsize =
2973 LINK_QUAL_AGG_FRAME_LIMIT_DEF;
2976 * Even though in theory the peer could have different
2977 * aggregation reorder buffer sizes for different sessions,
2978 * our ucode doesn't allow for that and has a global limit
2979 * for each station. Therefore, use the minimum of all the
2980 * aggregation sessions and our default value.
2982 sta_priv->max_agg_bufsize =
2983 min(sta_priv->max_agg_bufsize, buf_size);
2985 if (priv->cfg->ht_params &&
2986 priv->cfg->ht_params->use_rts_for_aggregation) {
2988 * switch to RTS/CTS if it is the prefer protection
2989 * method for HT traffic
2992 sta_priv->lq_sta.lq.general_params.flags |=
2993 LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
2996 sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit =
2997 sta_priv->max_agg_bufsize;
2999 iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
3000 &sta_priv->lq_sta.lq, CMD_ASYNC, false);
3004 mutex_unlock(&priv->mutex);
3009 static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
3010 struct ieee80211_vif *vif,
3011 struct ieee80211_sta *sta)
3013 struct iwl_priv *priv = hw->priv;
3014 struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
3015 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
3016 bool is_ap = vif->type == NL80211_IFTYPE_STATION;
3020 IWL_DEBUG_INFO(priv, "received request to add station %pM\n",
3022 mutex_lock(&priv->mutex);
3023 IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
3025 sta_priv->common.sta_id = IWL_INVALID_STATION;
3027 atomic_set(&sta_priv->pending_frames, 0);
3028 if (vif->type == NL80211_IFTYPE_AP)
3029 sta_priv->client = true;
3031 ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr,
3032 is_ap, sta, &sta_id);
3034 IWL_ERR(priv, "Unable to add station %pM (%d)\n",
3036 /* Should we return success if return code is EEXIST ? */
3037 mutex_unlock(&priv->mutex);
3041 sta_priv->common.sta_id = sta_id;
3043 /* Initialize rate scaling */
3044 IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
3046 iwl_rs_rate_init(priv, sta, sta_id);
3047 mutex_unlock(&priv->mutex);
3052 static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
3053 struct ieee80211_channel_switch *ch_switch)
3055 struct iwl_priv *priv = hw->priv;
3056 const struct iwl_channel_info *ch_info;
3057 struct ieee80211_conf *conf = &hw->conf;
3058 struct ieee80211_channel *channel = ch_switch->channel;
3059 struct iwl_ht_config *ht_conf = &priv->current_ht_config;
3062 * When we add support for multiple interfaces, we need to
3063 * revisit this. The channel switch command in the device
3064 * only affects the BSS context, but what does that really
3065 * mean? And what if we get a CSA on the second interface?
3066 * This needs a lot of work.
3068 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
3070 unsigned long flags = 0;
3072 IWL_DEBUG_MAC80211(priv, "enter\n");
3074 mutex_lock(&priv->mutex);
3076 if (iwl_is_rfkill(priv))
3079 if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
3080 test_bit(STATUS_SCANNING, &priv->status))
3083 if (!iwl_is_associated_ctx(ctx))
3086 /* channel switch in progress */
3087 if (priv->switch_rxon.switch_in_progress == true)
3090 if (priv->cfg->ops->lib->set_channel_switch) {
3092 ch = channel->hw_value;
3093 if (le16_to_cpu(ctx->active.channel) != ch) {
3094 ch_info = iwl_get_channel_info(priv,
3097 if (!is_channel_valid(ch_info)) {
3098 IWL_DEBUG_MAC80211(priv, "invalid channel\n");
3101 spin_lock_irqsave(&priv->lock, flags);
3103 priv->current_ht_config.smps = conf->smps_mode;
3105 /* Configure HT40 channels */
3106 ctx->ht.enabled = conf_is_ht(conf);
3107 if (ctx->ht.enabled) {
3108 if (conf_is_ht40_minus(conf)) {
3109 ctx->ht.extension_chan_offset =
3110 IEEE80211_HT_PARAM_CHA_SEC_BELOW;
3111 ctx->ht.is_40mhz = true;
3112 } else if (conf_is_ht40_plus(conf)) {
3113 ctx->ht.extension_chan_offset =
3114 IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
3115 ctx->ht.is_40mhz = true;
3117 ctx->ht.extension_chan_offset =
3118 IEEE80211_HT_PARAM_CHA_SEC_NONE;
3119 ctx->ht.is_40mhz = false;
3122 ctx->ht.is_40mhz = false;
3124 if ((le16_to_cpu(ctx->staging.channel) != ch))
3125 ctx->staging.flags = 0;
3127 iwl_set_rxon_channel(priv, channel, ctx);
3128 iwl_set_rxon_ht(priv, ht_conf);
3129 iwl_set_flags_for_band(priv, ctx, channel->band,
3131 spin_unlock_irqrestore(&priv->lock, flags);
3135 * at this point, staging_rxon has the
3136 * configuration for channel switch
3138 if (priv->cfg->ops->lib->set_channel_switch(priv,
3140 priv->switch_rxon.switch_in_progress = false;
3144 mutex_unlock(&priv->mutex);
3145 if (!priv->switch_rxon.switch_in_progress)
3146 ieee80211_chswitch_done(ctx->vif, false);
3147 IWL_DEBUG_MAC80211(priv, "leave\n");
3150 static void iwlagn_configure_filter(struct ieee80211_hw *hw,
3151 unsigned int changed_flags,
3152 unsigned int *total_flags,
3155 struct iwl_priv *priv = hw->priv;
3156 __le32 filter_or = 0, filter_nand = 0;
3157 struct iwl_rxon_context *ctx;
3159 #define CHK(test, flag) do { \
3160 if (*total_flags & (test)) \
3161 filter_or |= (flag); \
3163 filter_nand |= (flag); \
3166 IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
3167 changed_flags, *total_flags);
3169 CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK);
3170 /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */
3171 CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK);
3172 CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK);
3176 mutex_lock(&priv->mutex);
3178 for_each_context(priv, ctx) {
3179 ctx->staging.filter_flags &= ~filter_nand;
3180 ctx->staging.filter_flags |= filter_or;
3183 * Not committing directly because hardware can perform a scan,
3184 * but we'll eventually commit the filter flags change anyway.
3188 mutex_unlock(&priv->mutex);
3191 * Receiving all multicast frames is always enabled by the
3192 * default flags setup in iwl_connection_init_rx_config()
3193 * since we currently do not support programming multicast
3194 * filters into the device.
3196 *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS |
3197 FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
3200 static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
3202 struct iwl_priv *priv = hw->priv;
3204 mutex_lock(&priv->mutex);
3205 IWL_DEBUG_MAC80211(priv, "enter\n");
3207 /* do not support "flush" */
3208 if (!priv->cfg->ops->lib->txfifo_flush)
3211 if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
3212 IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n");
3215 if (iwl_is_rfkill(priv)) {
3216 IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n");
3221 * mac80211 will not push any more frames for transmit
3222 * until the flush is completed
3225 IWL_DEBUG_MAC80211(priv, "send flush command\n");
3226 if (priv->cfg->ops->lib->txfifo_flush(priv, IWL_DROP_ALL)) {
3227 IWL_ERR(priv, "flush request fail\n");
3231 IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
3232 iwlagn_wait_tx_queue_empty(priv);
3234 mutex_unlock(&priv->mutex);
3235 IWL_DEBUG_MAC80211(priv, "leave\n");
3238 static void iwlagn_disable_roc(struct iwl_priv *priv)
3240 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
3241 struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel);
3243 lockdep_assert_held(&priv->mutex);
3245 if (!ctx->is_active)
3248 ctx->staging.dev_type = RXON_DEV_TYPE_2STA;
3249 ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
3250 iwl_set_rxon_channel(priv, chan, ctx);
3251 iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
3253 priv->_agn.hw_roc_channel = NULL;
3255 iwlcore_commit_rxon(priv, ctx);
3257 ctx->is_active = false;
3260 static void iwlagn_bg_roc_done(struct work_struct *work)
3262 struct iwl_priv *priv = container_of(work, struct iwl_priv,
3263 _agn.hw_roc_work.work);
3265 mutex_lock(&priv->mutex);
3266 ieee80211_remain_on_channel_expired(priv->hw);
3267 iwlagn_disable_roc(priv);
3268 mutex_unlock(&priv->mutex);
3271 static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw,
3272 struct ieee80211_channel *channel,
3273 enum nl80211_channel_type channel_type,
3276 struct iwl_priv *priv = hw->priv;
3279 if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
3282 if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
3283 BIT(NL80211_IFTYPE_P2P_CLIENT)))
3286 mutex_lock(&priv->mutex);
3288 if (priv->contexts[IWL_RXON_CTX_PAN].is_active ||
3289 test_bit(STATUS_SCAN_HW, &priv->status)) {
3294 priv->contexts[IWL_RXON_CTX_PAN].is_active = true;
3295 priv->_agn.hw_roc_channel = channel;
3296 priv->_agn.hw_roc_chantype = channel_type;
3297 priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024);
3298 iwlcore_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]);
3299 queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work,
3300 msecs_to_jiffies(duration + 20));
3302 msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */
3303 ieee80211_ready_on_channel(priv->hw);
3306 mutex_unlock(&priv->mutex);
3311 static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
3313 struct iwl_priv *priv = hw->priv;
3315 if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
3318 cancel_delayed_work_sync(&priv->_agn.hw_roc_work);
3320 mutex_lock(&priv->mutex);
3321 iwlagn_disable_roc(priv);
3322 mutex_unlock(&priv->mutex);
3327 /*****************************************************************************
3329 * driver setup and teardown
3331 *****************************************************************************/
3333 static void iwl_setup_deferred_work(struct iwl_priv *priv)
3335 priv->workqueue = create_singlethread_workqueue(DRV_NAME);
3337 init_waitqueue_head(&priv->wait_command_queue);
3339 INIT_WORK(&priv->restart, iwl_bg_restart);
3340 INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
3341 INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
3342 INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
3343 INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
3344 INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
3345 INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
3346 INIT_DELAYED_WORK(&priv->_agn.hw_roc_work, iwlagn_bg_roc_done);
3348 iwl_setup_scan_deferred_work(priv);
3350 if (priv->cfg->ops->lib->setup_deferred_work)
3351 priv->cfg->ops->lib->setup_deferred_work(priv);
3353 init_timer(&priv->statistics_periodic);
3354 priv->statistics_periodic.data = (unsigned long)priv;
3355 priv->statistics_periodic.function = iwl_bg_statistics_periodic;
3357 init_timer(&priv->ucode_trace);
3358 priv->ucode_trace.data = (unsigned long)priv;
3359 priv->ucode_trace.function = iwl_bg_ucode_trace;
3361 init_timer(&priv->watchdog);
3362 priv->watchdog.data = (unsigned long)priv;
3363 priv->watchdog.function = iwl_bg_watchdog;
3365 tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
3366 iwl_irq_tasklet, (unsigned long)priv);
3369 static void iwl_cancel_deferred_work(struct iwl_priv *priv)
3371 if (priv->cfg->ops->lib->cancel_deferred_work)
3372 priv->cfg->ops->lib->cancel_deferred_work(priv);
3374 cancel_work_sync(&priv->run_time_calib_work);
3375 cancel_work_sync(&priv->beacon_update);
3377 iwl_cancel_scan_deferred_work(priv);
3379 cancel_work_sync(&priv->bt_full_concurrency);
3380 cancel_work_sync(&priv->bt_runtime_config);
3382 del_timer_sync(&priv->statistics_periodic);
3383 del_timer_sync(&priv->ucode_trace);
3386 static void iwl_init_hw_rates(struct iwl_priv *priv,
3387 struct ieee80211_rate *rates)
3391 for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
3392 rates[i].bitrate = iwl_rates[i].ieee * 5;
3393 rates[i].hw_value = i; /* Rate scaling will work on indexes */
3394 rates[i].hw_value_short = i;
3396 if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
3398 * If CCK != 1M then set short preamble rate flag.
3401 (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
3402 0 : IEEE80211_RATE_SHORT_PREAMBLE;
3407 static int iwl_init_drv(struct iwl_priv *priv)
3411 spin_lock_init(&priv->sta_lock);
3412 spin_lock_init(&priv->hcmd_lock);
3414 INIT_LIST_HEAD(&priv->free_frames);
3416 mutex_init(&priv->mutex);
3418 priv->ieee_channels = NULL;
3419 priv->ieee_rates = NULL;
3420 priv->band = IEEE80211_BAND_2GHZ;
3422 priv->iw_mode = NL80211_IFTYPE_STATION;
3423 priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
3424 priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
3425 priv->_agn.agg_tids_count = 0;
3427 /* initialize force reset */
3428 priv->force_reset[IWL_RF_RESET].reset_duration =
3429 IWL_DELAY_NEXT_FORCE_RF_RESET;
3430 priv->force_reset[IWL_FW_RESET].reset_duration =
3431 IWL_DELAY_NEXT_FORCE_FW_RELOAD;
3433 priv->rx_statistics_jiffies = jiffies;
3435 /* Choose which receivers/antennas to use */
3436 if (priv->cfg->ops->hcmd->set_rxon_chain)
3437 priv->cfg->ops->hcmd->set_rxon_chain(priv,
3438 &priv->contexts[IWL_RXON_CTX_BSS]);
3440 iwl_init_scan_params(priv);
3443 if (priv->cfg->bt_params &&
3444 priv->cfg->bt_params->advanced_bt_coexist) {
3445 priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
3446 priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
3447 priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
3448 priv->bt_on_thresh = BT_ON_THRESHOLD_DEF;
3449 priv->bt_duration = BT_DURATION_LIMIT_DEF;
3450 priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
3453 ret = iwl_init_channel_map(priv);
3455 IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
3459 ret = iwlcore_init_geos(priv);
3461 IWL_ERR(priv, "initializing geos failed: %d\n", ret);
3462 goto err_free_channel_map;
3464 iwl_init_hw_rates(priv, priv->ieee_rates);
3468 err_free_channel_map:
3469 iwl_free_channel_map(priv);
3474 static void iwl_uninit_drv(struct iwl_priv *priv)
3476 iwl_calib_free_results(priv);
3477 iwlcore_free_geos(priv);
3478 iwl_free_channel_map(priv);
3479 kfree(priv->scan_cmd);
3482 struct ieee80211_ops iwlagn_hw_ops = {
3483 .tx = iwlagn_mac_tx,
3484 .start = iwlagn_mac_start,
3485 .stop = iwlagn_mac_stop,
3486 .add_interface = iwl_mac_add_interface,
3487 .remove_interface = iwl_mac_remove_interface,
3488 .change_interface = iwl_mac_change_interface,
3489 .config = iwlagn_mac_config,
3490 .configure_filter = iwlagn_configure_filter,
3491 .set_key = iwlagn_mac_set_key,
3492 .update_tkip_key = iwlagn_mac_update_tkip_key,
3493 .conf_tx = iwl_mac_conf_tx,
3494 .bss_info_changed = iwlagn_bss_info_changed,
3495 .ampdu_action = iwlagn_mac_ampdu_action,
3496 .hw_scan = iwl_mac_hw_scan,
3497 .sta_notify = iwlagn_mac_sta_notify,
3498 .sta_add = iwlagn_mac_sta_add,
3499 .sta_remove = iwl_mac_sta_remove,
3500 .channel_switch = iwlagn_mac_channel_switch,
3501 .flush = iwlagn_mac_flush,
3502 .tx_last_beacon = iwl_mac_tx_last_beacon,
3503 .remain_on_channel = iwl_mac_remain_on_channel,
3504 .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
3505 .offchannel_tx = iwl_mac_offchannel_tx,
3506 .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait,
3509 static u32 iwl_hw_detect(struct iwl_priv *priv)
3513 pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id);
3514 IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
3515 return iwl_read32(priv, CSR_HW_REV);
3518 static int iwl_set_hw_params(struct iwl_priv *priv)
3520 priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
3521 priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
3522 if (priv->cfg->mod_params->amsdu_size_8K)
3523 priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K);
3525 priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K);
3527 priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
3529 if (priv->cfg->mod_params->disable_11n)
3530 priv->cfg->sku &= ~IWL_SKU_N;
3532 /* Device-specific setup */
3533 return priv->cfg->ops->lib->set_hw_params(priv);
3536 static const u8 iwlagn_bss_ac_to_fifo[] = {
3543 static const u8 iwlagn_bss_ac_to_queue[] = {
3547 static const u8 iwlagn_pan_ac_to_fifo[] = {
3548 IWL_TX_FIFO_VO_IPAN,
3549 IWL_TX_FIFO_VI_IPAN,
3550 IWL_TX_FIFO_BE_IPAN,
3551 IWL_TX_FIFO_BK_IPAN,
3554 static const u8 iwlagn_pan_ac_to_queue[] = {
3558 /* This function both allocates and initializes hw and priv. */
3559 static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg)
3561 struct iwl_priv *priv;
3562 /* mac80211 allocates memory for this device instance, including
3563 * space for this driver's private structure */
3564 struct ieee80211_hw *hw;
3566 hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops);
3568 pr_err("%s: Can not allocate network device\n",
3580 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3583 struct iwl_priv *priv;
3584 struct ieee80211_hw *hw;
3585 struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
3586 unsigned long flags;
3587 u16 pci_cmd, num_mac;
3590 /************************
3591 * 1. Allocating HW data
3592 ************************/
3594 hw = iwl_alloc_all(cfg);
3600 /* At this point both hw and priv are allocated. */
3602 priv->ucode_type = UCODE_SUBTYPE_NONE_LOADED;
3605 * The default context is always valid,
3606 * more may be discovered when firmware
3609 priv->valid_contexts = BIT(IWL_RXON_CTX_BSS);
3611 for (i = 0; i < NUM_IWL_RXON_CTX; i++)
3612 priv->contexts[i].ctxid = i;
3614 priv->contexts[IWL_RXON_CTX_BSS].always_active = true;
3615 priv->contexts[IWL_RXON_CTX_BSS].is_active = true;
3616 priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
3617 priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
3618 priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
3619 priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
3620 priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
3621 priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
3622 priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo;
3623 priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue = iwlagn_bss_ac_to_queue;
3624 priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
3625 BIT(NL80211_IFTYPE_ADHOC);
3626 priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
3627 BIT(NL80211_IFTYPE_STATION);
3628 priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP;
3629 priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
3630 priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
3631 priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
3633 priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
3634 priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = REPLY_WIPAN_RXON_TIMING;
3635 priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = REPLY_WIPAN_RXON_ASSOC;
3636 priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM;
3637 priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN;
3638 priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
3639 priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
3640 priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
3641 priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo;
3642 priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue;
3643 priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
3644 priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
3645 BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
3646 #ifdef CONFIG_IWL_P2P
3647 priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
3648 BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO);
3650 priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
3651 priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
3652 priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
3654 BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
3656 SET_IEEE80211_DEV(hw, &pdev->dev);
3658 IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
3660 priv->pci_dev = pdev;
3661 priv->inta_mask = CSR_INI_SET_MASK;
3663 /* is antenna coupling more than 35dB ? */
3664 priv->bt_ant_couple_ok =
3665 (iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
3668 /* enable/disable bt channel inhibition */
3669 priv->bt_ch_announce = iwlagn_bt_ch_announce;
3670 IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
3671 (priv->bt_ch_announce) ? "On" : "Off");
3673 if (iwl_alloc_traffic_mem(priv))
3674 IWL_ERR(priv, "Not enough memory to generate traffic log\n");
3676 /**************************
3677 * 2. Initializing PCI bus
3678 **************************/
3679 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3680 PCIE_LINK_STATE_CLKPM);
3682 if (pci_enable_device(pdev)) {
3684 goto out_ieee80211_free_hw;
3687 pci_set_master(pdev);
3689 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36));
3691 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36));
3693 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3695 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
3696 /* both attempts failed: */
3698 IWL_WARN(priv, "No suitable DMA available.\n");
3699 goto out_pci_disable_device;
3703 err = pci_request_regions(pdev, DRV_NAME);
3705 goto out_pci_disable_device;
3707 pci_set_drvdata(pdev, priv);
3710 /***********************
3711 * 3. Read REV register
3712 ***********************/
3713 priv->hw_base = pci_iomap(pdev, 0, 0);
3714 if (!priv->hw_base) {
3716 goto out_pci_release_regions;
3719 IWL_DEBUG_INFO(priv, "pci_resource_len = 0x%08llx\n",
3720 (unsigned long long) pci_resource_len(pdev, 0));
3721 IWL_DEBUG_INFO(priv, "pci_resource_base = %p\n", priv->hw_base);
3723 /* these spin locks will be used in apm_ops.init and EEPROM access
3724 * we should init now
3726 spin_lock_init(&priv->reg_lock);
3727 spin_lock_init(&priv->lock);
3730 * stop and reset the on-board processor just in case it is in a
3731 * strange state ... like being left stranded by a primary kernel
3732 * and this is now the kdump kernel trying to start up
3734 iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
3736 hw_rev = iwl_hw_detect(priv);
3737 IWL_INFO(priv, "Detected %s, REV=0x%X\n",
3738 priv->cfg->name, hw_rev);
3740 /* We disable the RETRY_TIMEOUT register (0x41) to keep
3741 * PCI Tx retries from interfering with C3 CPU state */
3742 pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
3744 if (iwl_prepare_card_hw(priv)) {
3745 IWL_WARN(priv, "Failed, HW not ready\n");
3752 /* Read the EEPROM */
3753 err = iwl_eeprom_init(priv, hw_rev);
3755 IWL_ERR(priv, "Unable to init EEPROM\n");
3758 err = iwl_eeprom_check_version(priv);
3760 goto out_free_eeprom;
3762 err = iwl_eeprom_check_sku(priv);
3764 goto out_free_eeprom;
3766 /* extract MAC Address */
3767 iwl_eeprom_get_mac(priv, priv->addresses[0].addr);
3768 IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
3769 priv->hw->wiphy->addresses = priv->addresses;
3770 priv->hw->wiphy->n_addresses = 1;
3771 num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS);
3773 memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
3775 priv->addresses[1].addr[5]++;
3776 priv->hw->wiphy->n_addresses++;
3779 /************************
3780 * 5. Setup HW constants
3781 ************************/
3782 if (iwl_set_hw_params(priv)) {
3783 IWL_ERR(priv, "failed to set hw parameters\n");
3784 goto out_free_eeprom;
3787 /*******************
3789 *******************/
3791 err = iwl_init_drv(priv);
3793 goto out_free_eeprom;
3794 /* At this point both hw and priv are initialized. */
3796 /********************
3798 ********************/
3799 spin_lock_irqsave(&priv->lock, flags);
3800 iwl_disable_interrupts(priv);
3801 spin_unlock_irqrestore(&priv->lock, flags);
3803 pci_enable_msi(priv->pci_dev);
3805 iwl_alloc_isr_ict(priv);
3807 err = request_irq(priv->pci_dev->irq, iwl_isr_ict,
3808 IRQF_SHARED, DRV_NAME, priv);
3810 IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq);
3811 goto out_disable_msi;
3814 iwl_setup_deferred_work(priv);
3815 iwl_setup_rx_handlers(priv);
3817 /*********************************************
3818 * 8. Enable interrupts and read RFKILL state
3819 *********************************************/
3821 /* enable rfkill interrupt: hw bug w/a */
3822 pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
3823 if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
3824 pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
3825 pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd);
3828 iwl_enable_rfkill_int(priv);
3830 /* If platform's RF_KILL switch is NOT set to KILL */
3831 if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
3832 clear_bit(STATUS_RF_KILL_HW, &priv->status);
3834 set_bit(STATUS_RF_KILL_HW, &priv->status);
3836 wiphy_rfkill_set_hw_state(priv->hw->wiphy,
3837 test_bit(STATUS_RF_KILL_HW, &priv->status));
3839 iwl_power_initialize(priv);
3840 iwl_tt_initialize(priv);
3842 init_completion(&priv->_agn.firmware_loading_complete);
3844 err = iwl_request_firmware(priv, true);
3846 goto out_destroy_workqueue;
3850 out_destroy_workqueue:
3851 destroy_workqueue(priv->workqueue);
3852 priv->workqueue = NULL;
3853 free_irq(priv->pci_dev->irq, priv);
3854 iwl_free_isr_ict(priv);
3856 pci_disable_msi(priv->pci_dev);
3857 iwl_uninit_drv(priv);
3859 iwl_eeprom_free(priv);
3861 pci_iounmap(pdev, priv->hw_base);
3862 out_pci_release_regions:
3863 pci_set_drvdata(pdev, NULL);
3864 pci_release_regions(pdev);
3865 out_pci_disable_device:
3866 pci_disable_device(pdev);
3867 out_ieee80211_free_hw:
3868 iwl_free_traffic_mem(priv);
3869 ieee80211_free_hw(priv->hw);
3874 static void __devexit iwl_pci_remove(struct pci_dev *pdev)
3876 struct iwl_priv *priv = pci_get_drvdata(pdev);
3877 unsigned long flags;
3882 wait_for_completion(&priv->_agn.firmware_loading_complete);
3884 IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
3886 iwl_dbgfs_unregister(priv);
3887 sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group);
3889 /* ieee80211_unregister_hw call wil cause iwl_mac_stop to
3890 * to be called and iwl_down since we are removing the device
3891 * we need to set STATUS_EXIT_PENDING bit.
3893 set_bit(STATUS_EXIT_PENDING, &priv->status);
3895 iwl_leds_exit(priv);
3897 if (priv->mac80211_registered) {
3898 ieee80211_unregister_hw(priv->hw);
3899 priv->mac80211_registered = 0;
3902 /* Reset to low power before unloading driver. */
3907 /* make sure we flush any pending irq or
3908 * tasklet for the driver
3910 spin_lock_irqsave(&priv->lock, flags);
3911 iwl_disable_interrupts(priv);
3912 spin_unlock_irqrestore(&priv->lock, flags);
3914 iwl_synchronize_irq(priv);
3916 iwl_dealloc_ucode_pci(priv);
3919 iwlagn_rx_queue_free(priv, &priv->rxq);
3920 iwlagn_hw_txq_ctx_free(priv);
3922 iwl_eeprom_free(priv);
3925 /*netif_stop_queue(dev); */
3926 flush_workqueue(priv->workqueue);
3928 /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes
3929 * priv->workqueue... so we can't take down the workqueue
3931 destroy_workqueue(priv->workqueue);
3932 priv->workqueue = NULL;
3933 iwl_free_traffic_mem(priv);
3935 free_irq(priv->pci_dev->irq, priv);
3936 pci_disable_msi(priv->pci_dev);
3937 pci_iounmap(pdev, priv->hw_base);
3938 pci_release_regions(pdev);
3939 pci_disable_device(pdev);
3940 pci_set_drvdata(pdev, NULL);
3942 iwl_uninit_drv(priv);
3944 iwl_free_isr_ict(priv);
3946 dev_kfree_skb(priv->beacon_skb);
3948 ieee80211_free_hw(priv->hw);
3952 /*****************************************************************************
3954 * driver and module entry point
3956 *****************************************************************************/
3958 /* Hardware specific file defines the PCI IDs table for that hardware module */
3959 static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
3960 {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
3961 {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
3962 {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
3963 {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
3964 {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
3965 {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
3966 {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
3967 {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
3968 {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
3969 {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
3970 {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
3971 {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
3972 {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
3973 {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
3974 {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
3975 {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
3976 {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
3977 {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
3978 {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
3979 {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
3980 {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
3981 {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
3982 {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
3983 {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
3985 /* 5300 Series WiFi */
3986 {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
3987 {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
3988 {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
3989 {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
3990 {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
3991 {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
3992 {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
3993 {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
3994 {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
3995 {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
3996 {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
3997 {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
3999 /* 5350 Series WiFi/WiMax */
4000 {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
4001 {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
4002 {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
4004 /* 5150 Series Wifi/WiMax */
4005 {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
4006 {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
4007 {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
4008 {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
4009 {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
4010 {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
4012 {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
4013 {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
4014 {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
4015 {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
4018 {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
4019 {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
4020 {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
4021 {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
4022 {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
4023 {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
4024 {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
4025 {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
4026 {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
4027 {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
4030 {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
4031 {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
4032 {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
4033 {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
4034 {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
4035 {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
4036 {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
4039 {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
4040 {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
4041 {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
4042 {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
4043 {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
4044 {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
4045 {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
4046 {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
4047 {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
4048 {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
4049 {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
4050 {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
4051 {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
4052 {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
4053 {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
4054 {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
4056 /* 6x50 WiFi/WiMax Series */
4057 {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
4058 {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
4059 {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
4060 {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
4061 {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
4062 {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
4064 /* 6150 WiFi/WiMax Series */
4065 {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
4066 {IWL_PCI_DEVICE(0x0885, 0x1306, iwl6150_bgn_cfg)},
4067 {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
4068 {IWL_PCI_DEVICE(0x0885, 0x1326, iwl6150_bgn_cfg)},
4069 {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
4070 {IWL_PCI_DEVICE(0x0886, 0x1316, iwl6150_bgn_cfg)},
4072 /* 1000 Series WiFi */
4073 {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
4074 {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
4075 {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
4076 {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
4077 {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
4078 {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
4079 {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
4080 {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
4081 {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
4082 {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
4083 {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
4084 {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
4086 /* 100 Series WiFi */
4087 {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
4088 {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
4089 {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
4090 {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
4091 {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
4092 {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
4094 /* 130 Series WiFi */
4095 {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
4096 {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
4097 {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
4098 {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
4099 {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
4100 {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
4103 {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
4104 {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
4105 {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
4106 {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)},
4107 {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)},
4108 {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)},
4111 {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
4112 {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
4113 {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
4114 {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)},
4115 {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)},
4116 {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)},
4119 {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
4120 {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
4121 {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
4122 {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)},
4123 {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)},
4124 {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)},
4125 {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)},
4126 {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)},
4127 {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)},
4130 {IWL_PCI_DEVICE(0x0894, 0x0022, iwl200_bgn_cfg)},
4131 {IWL_PCI_DEVICE(0x0895, 0x0222, iwl200_bgn_cfg)},
4132 {IWL_PCI_DEVICE(0x0894, 0x0422, iwl200_bgn_cfg)},
4133 {IWL_PCI_DEVICE(0x0894, 0x0026, iwl200_bg_cfg)},
4134 {IWL_PCI_DEVICE(0x0895, 0x0226, iwl200_bg_cfg)},
4135 {IWL_PCI_DEVICE(0x0894, 0x0426, iwl200_bg_cfg)},
4138 {IWL_PCI_DEVICE(0x0892, 0x0062, iwl230_bgn_cfg)},
4139 {IWL_PCI_DEVICE(0x0893, 0x0262, iwl230_bgn_cfg)},
4140 {IWL_PCI_DEVICE(0x0892, 0x0462, iwl230_bgn_cfg)},
4141 {IWL_PCI_DEVICE(0x0892, 0x0066, iwl230_bg_cfg)},
4142 {IWL_PCI_DEVICE(0x0893, 0x0266, iwl230_bg_cfg)},
4143 {IWL_PCI_DEVICE(0x0892, 0x0466, iwl230_bg_cfg)},
4147 MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
4149 static struct pci_driver iwl_driver = {
4151 .id_table = iwl_hw_card_ids,
4152 .probe = iwl_pci_probe,
4153 .remove = __devexit_p(iwl_pci_remove),
4154 .driver.pm = IWL_PM_OPS,
4157 static int __init iwl_init(void)
4161 pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
4162 pr_info(DRV_COPYRIGHT "\n");
4164 ret = iwlagn_rate_control_register();
4166 pr_err("Unable to register rate control algorithm: %d\n", ret);
4170 ret = pci_register_driver(&iwl_driver);
4172 pr_err("Unable to initialize PCI module\n");
4173 goto error_register;
4179 iwlagn_rate_control_unregister();
4183 static void __exit iwl_exit(void)
4185 pci_unregister_driver(&iwl_driver);
4186 iwlagn_rate_control_unregister();
4189 module_exit(iwl_exit);
4190 module_init(iwl_init);
4192 #ifdef CONFIG_IWLWIFI_DEBUG
4193 module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR);
4194 MODULE_PARM_DESC(debug, "debug output mask");
4197 module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
4198 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
4199 module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
4200 MODULE_PARM_DESC(queues_num, "number of hw queues.");
4201 module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO);
4202 MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
4203 module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
4205 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
4206 module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
4207 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
4209 module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int,
4211 MODULE_PARM_DESC(ucode_alternative,
4212 "specify ucode alternative to use from ucode file");
4214 module_param_named(antenna_coupling, iwlagn_ant_coupling, int, S_IRUGO);
4215 MODULE_PARM_DESC(antenna_coupling,
4216 "specify antenna coupling in dB (defualt: 0 dB)");
4218 module_param_named(bt_ch_inhibition, iwlagn_bt_ch_announce, bool, S_IRUGO);
4219 MODULE_PARM_DESC(bt_ch_inhibition,
4220 "Disable BT channel inhibition (default: enable)");
4222 module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO);
4223 MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
4225 module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
4226 MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");