25  *    Copyright (c) 2008-2009 Atheros Communications, Inc.
48 	off += scnprintf(&buf[off], max - off, fmt, ##args)
74 	ar = file->private_data;  in carl9170_debugfs_read()
77 		return -ENODEV;  in carl9170_debugfs_read()
81 	if (!dfops->read)  in carl9170_debugfs_read()
82 		return -ENOSYS;  in carl9170_debugfs_read()
84 	if (dfops->read_bufsize) {  in carl9170_debugfs_read()
85 		buf = vmalloc(dfops->read_bufsize);  in carl9170_debugfs_read()
87 			return -ENOMEM;  in carl9170_debugfs_read()
90 	mutex_lock(&ar->mutex);  in carl9170_debugfs_read()
91 	if (!CHK_DEV_STATE(ar, dfops->req_dev_state)) {  in carl9170_debugfs_read()
92 		err = -ENODEV;  in carl9170_debugfs_read()
97 	res_buf = dfops->read(ar, buf, dfops->read_bufsize, &ret);  in carl9170_debugfs_read()
105 	WARN_ON_ONCE(dfops->read_bufsize && (res_buf != buf));  in carl9170_debugfs_read()
109 	mutex_unlock(&ar->mutex);  in carl9170_debugfs_read()
125 		return -E2BIG;  in carl9170_debugfs_write()
127 	ar = file->private_data;  in carl9170_debugfs_write()
130 		return -ENODEV;  in carl9170_debugfs_write()
134 	if (!dfops->write)  in carl9170_debugfs_write()
135 		return -ENOSYS;  in carl9170_debugfs_write()
139 		return -ENOMEM;  in carl9170_debugfs_write()
142 		err = -EFAULT;  in carl9170_debugfs_write()
146 	if (mutex_trylock(&ar->mutex) == 0) {  in carl9170_debugfs_write()
147 		err = -EAGAIN;  in carl9170_debugfs_write()
151 	if (!CHK_DEV_STATE(ar, dfops->req_dev_state)) {  in carl9170_debugfs_write()
152 		err = -ENODEV;  in carl9170_debugfs_write()
156 	err = dfops->write(ar, buf, count);  in carl9170_debugfs_write()
161 	mutex_unlock(&ar->mutex);  in carl9170_debugfs_write()
219 	spin_lock_bh(&ar->mem_lock);  in carl9170_debugfs_mem_usage_read()
222 	    ar->fw.mem_blocks, ar->mem_bitmap);  in carl9170_debugfs_mem_usage_read()
224 	ADD(buf, *len, bufsize, "cookies: used:%3d / total:%3d, allocs:%d\n",  in carl9170_debugfs_mem_usage_read()
225 	    bitmap_weight(ar->mem_bitmap, ar->fw.mem_blocks),  in carl9170_debugfs_mem_usage_read()
226 	    ar->fw.mem_blocks, atomic_read(&ar->mem_allocs));  in carl9170_debugfs_mem_usage_read()
228 	ADD(buf, *len, bufsize, "memory: free:%3d (%3d KiB) / total:%3d KiB)\n",  in carl9170_debugfs_mem_usage_read()
229 	    atomic_read(&ar->mem_free_blocks),  in carl9170_debugfs_mem_usage_read()
230 	    (atomic_read(&ar->mem_free_blocks) * ar->fw.mem_block_size) / 1024,  in carl9170_debugfs_mem_usage_read()
231 	    (ar->fw.mem_blocks * ar->fw.mem_block_size) / 1024);  in carl9170_debugfs_mem_usage_read()
233 	spin_unlock_bh(&ar->mem_lock);  in carl9170_debugfs_mem_usage_read()
248 	spin_lock_bh(&ar->tx_stats_lock);  in carl9170_debugfs_qos_stat_read()
251 				"[   %3d/%3d       %3d/%3d    "  in carl9170_debugfs_qos_stat_read()
252 				 "   %3d/%3d       %3d/%3d   ]\n\n",  in carl9170_debugfs_qos_stat_read()
253 	    ar->tx_stats[0].len, ar->tx_stats[0].limit,  in carl9170_debugfs_qos_stat_read()
254 	    ar->tx_stats[1].len, ar->tx_stats[1].limit,  in carl9170_debugfs_qos_stat_read()
255 	    ar->tx_stats[2].len, ar->tx_stats[2].limit,  in carl9170_debugfs_qos_stat_read()
256 	    ar->tx_stats[3].len, ar->tx_stats[3].limit);  in carl9170_debugfs_qos_stat_read()
260 				"[%10d    %10d    %10d    %10d   ]\n\n",  in carl9170_debugfs_qos_stat_read()
261 	    ar->tx_stats[0].count, ar->tx_stats[1].count,  in carl9170_debugfs_qos_stat_read()
262 	    ar->tx_stats[2].count, ar->tx_stats[3].count);  in carl9170_debugfs_qos_stat_read()
264 	spin_unlock_bh(&ar->tx_stats_lock);  in carl9170_debugfs_qos_stat_read()
268 				"[   %3d/%3d       %3d/%3d    "  in carl9170_debugfs_qos_stat_read()
269 				 "   %3d/%3d       %3d/%3d   ]\n\n",  in carl9170_debugfs_qos_stat_read()
270 	    skb_queue_len(&ar->tx_pending[0]),  in carl9170_debugfs_qos_stat_read()
271 	    skb_queue_len(&ar->tx_status[0]),  in carl9170_debugfs_qos_stat_read()
272 	    skb_queue_len(&ar->tx_pending[1]),  in carl9170_debugfs_qos_stat_read()
273 	    skb_queue_len(&ar->tx_status[1]),  in carl9170_debugfs_qos_stat_read()
274 	    skb_queue_len(&ar->tx_pending[2]),  in carl9170_debugfs_qos_stat_read()
275 	    skb_queue_len(&ar->tx_status[2]),  in carl9170_debugfs_qos_stat_read()
276 	    skb_queue_len(&ar->tx_pending[3]),  in carl9170_debugfs_qos_stat_read()
277 	    skb_queue_len(&ar->tx_status[3]));  in carl9170_debugfs_qos_stat_read()
287 	struct _carl9170_tx_superframe *txc = (void *) skb->data;  in carl9170_debugfs_format_frame()
289 	struct carl9170_tx_info *arinfo = (void *) txinfo->rate_driver_data;  in carl9170_debugfs_format_frame()
290 	struct ieee80211_hdr *hdr = (void *) txc->frame_data;  in carl9170_debugfs_format_frame()
292 	ADD(buf, *off, bufsize, "%s %p, c:%2x, DA:%pM, sq:%4d, mc:%.4x, "  in carl9170_debugfs_format_frame()
293 	    "pc:%.8x, to:%d ms\n", prefix, skb, txc->s.cookie,  in carl9170_debugfs_format_frame()
295 	    le16_to_cpu(txc->f.mac_control), le32_to_cpu(txc->f.phy_control),  in carl9170_debugfs_format_frame()
296 	    jiffies_to_msecs(jiffies - arinfo->timeout));  in carl9170_debugfs_format_frame()
309 	list_for_each_entry_rcu(iter, &ar->tx_ampdu_list, list) {  in carl9170_debugfs_ampdu_state_read()
311 		spin_lock_bh(&iter->lock);  in carl9170_debugfs_ampdu_state_read()
312 		ADD(buf, *len, bufsize, "Entry: #%2d TID:%1d, BSN:%4d, "  in carl9170_debugfs_ampdu_state_read()
313 		    "SNX:%4d, HSN:%4d, BAW:%2d, state:%1d, toggles:%d\n",  in carl9170_debugfs_ampdu_state_read()
314 		    cnt, iter->tid, iter->bsn, iter->snx, iter->hsn,  in carl9170_debugfs_ampdu_state_read()
315 		    iter->max, iter->state, iter->counter);  in carl9170_debugfs_ampdu_state_read()
318 		    CARL9170_BAW_BITS, iter->bitmap);  in carl9170_debugfs_ampdu_state_read()
321 	((CARL9170_BAW_BITS - (offset) - 1) / 4 +		\  in carl9170_debugfs_ampdu_state_read()
322 	 (CARL9170_BAW_BITS - (offset) - 1) / 32 + 1)  in carl9170_debugfs_ampdu_state_read()
327 		offset = BM_STR_OFF(SEQ_DIFF(iter->snx, iter->bsn));  in carl9170_debugfs_ampdu_state_read()
330 		offset = BM_STR_OFF(((int)iter->hsn - (int)iter->bsn) %  in carl9170_debugfs_ampdu_state_read()
334 		ADD(buf, *len, bufsize, "\tPre-Aggregation reorder buffer: "  in carl9170_debugfs_ampdu_state_read()
335 		    " currently queued:%d\n", skb_queue_len(&iter->queue));  in carl9170_debugfs_ampdu_state_read()
338 		skb_queue_walk(&iter->queue, skb) {  in carl9170_debugfs_ampdu_state_read()
341 			snprintf(prefix, sizeof(prefix), "\t\t%3d :", fc);  in carl9170_debugfs_ampdu_state_read()
347 		spin_unlock_bh(&iter->lock);  in carl9170_debugfs_ampdu_state_read()
363 	spin_lock_bh(&queue->lock);  in carl9170_debugfs_queue_dump()
365 		snprintf(prefix, sizeof(prefix), "%3d :", fc);  in carl9170_debugfs_queue_dump()
370 	spin_unlock_bh(&queue->lock);  in carl9170_debugfs_queue_dump()
377 	carl9170_debugfs_queue_dump(ar, buf, len, bufsize, &ar->q[qi]);	\
385 	ADD(buf, *len, bufsize, "psm state: %s\n", (ar->ps.off_override ?  in carl9170_debugfs_sta_psm_read()
386 	    "FORCE CAM" : (ar->ps.state ? "PSM" : "CAM")));  in carl9170_debugfs_sta_psm_read()
388 	ADD(buf, *len, bufsize, "sleep duration: %d ms.\n", ar->ps.sleep_ms);  in carl9170_debugfs_sta_psm_read()
389 	ADD(buf, *len, bufsize, "last power-state transition: %d ms ago.\n",  in carl9170_debugfs_sta_psm_read()
390 	    jiffies_to_msecs(jiffies - ar->ps.last_action));  in carl9170_debugfs_sta_psm_read()
391 	ADD(buf, *len, bufsize, "last CAM->PSM transition: %d ms ago.\n",  in carl9170_debugfs_sta_psm_read()
392 	    jiffies_to_msecs(jiffies - ar->ps.last_slept));  in carl9170_debugfs_sta_psm_read()
403 	for (i = 0; i < ar->hw->queues; i++) {  in carl9170_debugfs_tx_stuck_read()
404 		ADD(buf, *len, bufsize, "TX queue [%d]: %10d max:%10d ms.\n",  in carl9170_debugfs_tx_stuck_read()
405 		    i, ieee80211_queue_stopped(ar->hw, i) ?  in carl9170_debugfs_tx_stuck_read()
406 		    jiffies_to_msecs(jiffies - ar->queue_stop_timeout[i]) : 0,  in carl9170_debugfs_tx_stuck_read()
407 		    jiffies_to_msecs(ar->max_queue_stop_timeout[i]));  in carl9170_debugfs_tx_stuck_read()
409 		ar->max_queue_stop_timeout[i] = 0;  in carl9170_debugfs_tx_stuck_read()
427 	ADD(buf, *len, bufsize, "Chain 0: %10d dBm, ext. chan.:%10d dBm\n",  in carl9170_debugfs_phy_noise_read()
428 	    ar->noise[0], ar->noise[2]);  in carl9170_debugfs_phy_noise_read()
429 	ADD(buf, *len, bufsize, "Chain 2: %10d dBm, ext. chan.:%10d dBm\n",  in carl9170_debugfs_phy_noise_read()
430 	    ar->noise[1], ar->noise[3]);  in carl9170_debugfs_phy_noise_read()
442 	ADD(buf, *len, bufsize, "registered VIFs:%d \\ %d\n",  in carl9170_debugfs_vif_dump_read()
443 	    ar->vifs, ar->fw.vif_num);  in carl9170_debugfs_vif_dump_read()
446 	    ar->fw.vif_num, &ar->vif_bitmap);  in carl9170_debugfs_vif_dump_read()
449 	list_for_each_entry_rcu(iter, &ar->vif_list, list) {  in carl9170_debugfs_vif_dump_read()
451 		ADD(buf, *len, bufsize, "\t%d = [%s VIF, id:%d, type:%x "  in carl9170_debugfs_vif_dump_read()
453 		    "Master" : " Slave"), iter->id, vif->type, vif->addr,  in carl9170_debugfs_vif_dump_read()
454 		    iter->enable_beacon ? "beaconing " : "");  in carl9170_debugfs_vif_dump_read()
465 	unsigned int __i, __err = -ENODEV;				\
469 		ar->debug.stats.name##_counter[__i] = 0;		\
474 			__tmp, ar->debug.stats.name##_counter);		\
481 		ar->debug.stats.name##_sum[__i] +=			\
482 			ar->debug.stats.name##_counter[__i];		\
508 		    name##_regs[i].nreg, ar->debug.stats.name ##_sum[i],\
509 		    ar->debug.stats.name ##_counter[i]);		\
537 		    ar->debug.stats.name##_counter[i]);			\
554 		return -E2BIG;  in carl9170_debugfs_hw_ioread32_write()
556 	res = sscanf(buf, "0x%X %d", &reg, &n);  in carl9170_debugfs_hw_ioread32_write()
558 		err = -EINVAL;  in carl9170_debugfs_hw_ioread32_write()
566 		err = -EMSGSIZE;  in carl9170_debugfs_hw_ioread32_write()
571 		err = -EADDRNOTAVAIL;  in carl9170_debugfs_hw_ioread32_write()
575 	if (reg & 3) {  in carl9170_debugfs_hw_ioread32_write()
576 		err = -EINVAL;  in carl9170_debugfs_hw_ioread32_write()
585 		ar->debug.ring[ar->debug.ring_tail].reg = reg + (i << 2);  in carl9170_debugfs_hw_ioread32_write()
586 		ar->debug.ring[ar->debug.ring_tail].value = tmp;  in carl9170_debugfs_hw_ioread32_write()
587 		ar->debug.ring_tail++;  in carl9170_debugfs_hw_ioread32_write()
588 		ar->debug.ring_tail %= CARL9170_DEBUG_RING_SIZE;  in carl9170_debugfs_hw_ioread32_write()
600 	while (ar->debug.ring_head != ar->debug.ring_tail) {  in carl9170_debugfs_hw_ioread32_read()
602 		    ar->debug.ring[ar->debug.ring_head].reg,  in carl9170_debugfs_hw_ioread32_read()
603 		    ar->debug.ring[ar->debug.ring_head].value);  in carl9170_debugfs_hw_ioread32_read()
605 		ar->debug.ring_head++;  in carl9170_debugfs_hw_ioread32_read()
606 		ar->debug.ring_head %= CARL9170_DEBUG_RING_SIZE;  in carl9170_debugfs_hw_ioread32_read()
611 	ar->debug.ring_head = ar->debug.ring_tail;  in carl9170_debugfs_hw_ioread32_read()
622 		return -EINVAL;  in carl9170_debugfs_bug_write()
626 		ar->needs_full_reset = true;  in carl9170_debugfs_bug_write()
631 			err = -EAGAIN;  in carl9170_debugfs_bug_write()
635 		ar->needs_full_reset = false;  in carl9170_debugfs_bug_write()
646 		err = carl9170_set_channel(ar, ar->hw->conf.chandef.chan,  in carl9170_debugfs_bug_write()
647 			cfg80211_get_chandef_type(&ar->hw->conf.chandef));  in carl9170_debugfs_bug_write()
654 		return -EINVAL;  in carl9170_debugfs_bug_write()
668 	ADD(buf, *ret, bufsize, "firmware restarts:%d, last reason:%d\n",  in carl9170_debugfs_bug_read()
669 		ar->restart_counter, ar->last_reason);  in carl9170_debugfs_bug_read()
670 	ADD(buf, *ret, bufsize, "phy reinit errors:%d (%d)\n",  in carl9170_debugfs_bug_read()
671 		ar->total_chan_fail, ar->chan_fail);  in carl9170_debugfs_bug_read()
672 	ADD(buf, *ret, bufsize, "reported firmware errors:%d\n",  in carl9170_debugfs_bug_read()
673 		ar->fw.err_counter);  in carl9170_debugfs_bug_read()
674 	ADD(buf, *ret, bufsize, "reported firmware BUGs:%d\n",  in carl9170_debugfs_bug_read()
675 		ar->fw.bug_counter);  in carl9170_debugfs_bug_read()
676 	ADD(buf, *ret, bufsize, "pending restart requests:%d\n",  in carl9170_debugfs_bug_read()
677 		atomic_read(&ar->pending_restarts));  in carl9170_debugfs_bug_read()
694 	ADD(buf, *ret, bufsize, "ERP Setting: (%d) -> %s\n", ar->erp_mode,  in carl9170_debugfs_erp_read()
695 	    erp_modes[ar->erp_mode]);  in carl9170_debugfs_erp_read()
705 		return -EINVAL;  in carl9170_debugfs_erp_write()
707 	res = sscanf(buf, "%d", &val);  in carl9170_debugfs_erp_write()
709 		return -EINVAL;  in carl9170_debugfs_erp_write()
713 		return -EINVAL;  in carl9170_debugfs_erp_write()
715 	ar->erp_mode = val;  in carl9170_debugfs_erp_write()
731 		return -E2BIG;  in carl9170_debugfs_hw_iowrite32_write()
735 		err = -EINVAL;  in carl9170_debugfs_hw_iowrite32_write()
740 		err = -EADDRNOTAVAIL;  in carl9170_debugfs_hw_iowrite32_write()
744 	if (reg & 3) {  in carl9170_debugfs_hw_iowrite32_write()
745 		err = -EINVAL;  in carl9170_debugfs_hw_iowrite32_write()
767 DEBUGFS_QUEUE_DUMP(tx_status, 3);
771 DEBUGFS_QUEUE_DUMP(tx_pending, 3);
772 DEBUGFS_READONLY_FILE(usb_tx_anch_urbs, 20, "%d",
773 		      atomic_read(&ar->tx_anch_urbs));
774 DEBUGFS_READONLY_FILE(usb_rx_anch_urbs, 20, "%d",
775 		      atomic_read(&ar->rx_anch_urbs));
776 DEBUGFS_READONLY_FILE(usb_rx_work_urbs, 20, "%d",
777 		      atomic_read(&ar->rx_work_urbs));
778 DEBUGFS_READONLY_FILE(usb_rx_pool_urbs, 20, "%d",
779 		      atomic_read(&ar->rx_pool_urbs));
781 DEBUGFS_READONLY_FILE(tx_total_queued, 20, "%d",
782 		      atomic_read(&ar->tx_total_queued));
783 DEBUGFS_READONLY_FILE(tx_ampdu_scheduler, 20, "%d",
784 		      atomic_read(&ar->tx_ampdu_scheduler));
786 DEBUGFS_READONLY_FILE(tx_total_pending, 20, "%d",
787 		      atomic_read(&ar->tx_total_pending));
789 DEBUGFS_READONLY_FILE(tx_ampdu_list_len, 20, "%d",
790 		      ar->tx_ampdu_list_len);
792 DEBUGFS_READONLY_FILE(tx_ampdu_upload, 20, "%d",
793 		      atomic_read(&ar->tx_ampdu_upload));
795 DEBUGFS_READONLY_FILE(tx_janitor_last_run, 64, "last run:%d ms ago",
796 	jiffies_to_msecs(jiffies - ar->tx_janitor_last_run));
798 DEBUGFS_READONLY_FILE(tx_dropped, 20, "%d", ar->tx_dropped);
800 DEBUGFS_READONLY_FILE(rx_dropped, 20, "%d", ar->rx_dropped);
802 DEBUGFS_READONLY_FILE(sniffer_enabled, 20, "%d", ar->sniffer_enabled);
803 DEBUGFS_READONLY_FILE(rx_software_decryption, 20, "%d",
804 		      ar->rx_software_decryption);
805 DEBUGFS_READONLY_FILE(ampdu_factor, 20, "%d",
806 		      ar->current_factor);
807 DEBUGFS_READONLY_FILE(ampdu_density, 20, "%d",
808 		      ar->current_density);
810 DEBUGFS_READONLY_FILE(beacon_int, 20, "%d TU", ar->global_beacon_int);
811 DEBUGFS_READONLY_FILE(pretbtt, 20, "%d TU", ar->global_pretbtt);
815 	ar->debug_dir = debugfs_create_dir(KBUILD_MODNAME,  in carl9170_debugfs_register()
816 		ar->hw->wiphy->debugfsdir);  in carl9170_debugfs_register()
820 			    ar->debug_dir, ar,				\  in carl9170_debugfs_register()
885 	debugfs_remove_recursive(ar->debug_dir);  in carl9170_debugfs_unregister()