[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / st / cw1200 / debug.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers
 * DebugFS code
 *
 * Copyright (c) 2010, ST-Ericsson
 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
 */

#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include "cw1200.h"
#include "debug.h"
#include "fwio.h"

/* join_status */
static const char * const cw1200_debug_join_status[] = {
	"passive",
	"monitor",
	"station (joining)",
	"station (not authenticated yet)",
	"station",
	"adhoc",
	"access point",
};

/* WSM_JOIN_PREAMBLE_... */
static const char * const cw1200_debug_preamble[] = {
	"long",
	"short",
	"long on 1 and 2 Mbps",
};


static const char * const cw1200_debug_link_id[] = {
	"OFF",
	"REQ",
	"SOFT",
	"HARD",
	"RESET",
	"RESET_REMAP",
};

static const char *cw1200_debug_mode(int mode)
{
	switch (mode) {
	case NL80211_IFTYPE_UNSPECIFIED:
		return "unspecified";
	case NL80211_IFTYPE_MONITOR:
		return "monitor";
	case NL80211_IFTYPE_STATION:
		return "station";
	case NL80211_IFTYPE_ADHOC:
		return "adhoc";
	case NL80211_IFTYPE_MESH_POINT:
		return "mesh point";
	case NL80211_IFTYPE_AP:
		return "access point";
	case NL80211_IFTYPE_P2P_CLIENT:
		return "p2p client";
	case NL80211_IFTYPE_P2P_GO:
		return "p2p go";
	default:
		return "unsupported";
	}
}

static void cw1200_queue_status_show(struct seq_file *seq,
				     struct cw1200_queue *q)
{
	int i;
	seq_printf(seq, "Queue       %d:\n", q->queue_id);
	seq_printf(seq, "  capacity: %zu\n", q->capacity);
	seq_printf(seq, "  queued:   %zu\n", q->num_queued);
	seq_printf(seq, "  pending:  %zu\n", q->num_pending);
	seq_printf(seq, "  sent:     %zu\n", q->num_sent);
	seq_printf(seq, "  locked:   %s\n", q->tx_locked_cnt ? "yes" : "no");
	seq_printf(seq, "  overfull: %s\n", q->overfull ? "yes" : "no");
	seq_puts(seq,   "  link map: 0-> ");
	for (i = 0; i < q->stats->map_capacity; ++i)
		seq_printf(seq, "%.2d ", q->link_map_cache[i]);
	seq_printf(seq, "<-%zu\n", q->stats->map_capacity);
}

static void cw1200_debug_print_map(struct seq_file *seq,
				   struct cw1200_common *priv,
				   const char *label,
				   u32 map)
{
	int i;
	seq_printf(seq, "%s0-> ", label);
	for (i = 0; i < priv->tx_queue_stats.map_capacity; ++i)
		seq_printf(seq, "%s ", (map & BIT(i)) ? "**" : "..");
	seq_printf(seq, "<-%zu\n", priv->tx_queue_stats.map_capacity - 1);
}

static int cw1200_status_show(struct seq_file *seq, void *v)
{
	int i;
	struct list_head *item;
	struct cw1200_common *priv = seq->private;
	struct cw1200_debug_priv *d = priv->debug;

	seq_puts(seq,   "CW1200 Wireless LAN driver status\n");
	seq_printf(seq, "Hardware:   %d.%d\n",
		   priv->wsm_caps.hw_id,
		   priv->wsm_caps.hw_subid);
	seq_printf(seq, "Firmware:   %s %d.%d\n",
		   cw1200_fw_types[priv->wsm_caps.fw_type],
		   priv->wsm_caps.fw_ver,
		   priv->wsm_caps.fw_build);
	seq_printf(seq, "FW API:     %d\n",
		   priv->wsm_caps.fw_api);
	seq_printf(seq, "FW caps:    0x%.4X\n",
		   priv->wsm_caps.fw_cap);
	seq_printf(seq, "FW label:  '%s'\n",
		   priv->wsm_caps.fw_label);
	seq_printf(seq, "Mode:       %s%s\n",
		   cw1200_debug_mode(priv->mode),
		   priv->listening ? " (listening)" : "");
	seq_printf(seq, "Join state: %s\n",
		   cw1200_debug_join_status[priv->join_status]);
	if (priv->channel)
		seq_printf(seq, "Channel:    %d%s\n",
			   priv->channel->hw_value,
			   priv->channel_switch_in_progress ?
			   " (switching)" : "");
	if (priv->rx_filter.promiscuous)
		seq_puts(seq,   "Filter:     promisc\n");
	else if (priv->rx_filter.fcs)
		seq_puts(seq,   "Filter:     fcs\n");
	if (priv->rx_filter.bssid)
		seq_puts(seq,   "Filter:     bssid\n");
	if (!priv->disable_beacon_filter)
		seq_puts(seq,   "Filter:     beacons\n");

	if (priv->enable_beacon ||
	    priv->mode == NL80211_IFTYPE_AP ||
	    priv->mode == NL80211_IFTYPE_ADHOC ||
	    priv->mode == NL80211_IFTYPE_MESH_POINT ||
	    priv->mode == NL80211_IFTYPE_P2P_GO)
		seq_printf(seq, "Beaconing:  %s\n",
			   priv->enable_beacon ?
			   "enabled" : "disabled");

	for (i = 0; i < 4; ++i)
		seq_printf(seq, "EDCA(%d):    %d, %d, %d, %d, %d\n", i,
			   priv->edca.params[i].cwmin,
			   priv->edca.params[i].cwmax,
			   priv->edca.params[i].aifns,
			   priv->edca.params[i].txop_limit,
			   priv->edca.params[i].max_rx_lifetime);

	if (priv->join_status == CW1200_JOIN_STATUS_STA) {
		static const char *pm_mode = "unknown";
		switch (priv->powersave_mode.mode) {
		case WSM_PSM_ACTIVE:
			pm_mode = "off";
			break;
		case WSM_PSM_PS:
			pm_mode = "on";
			break;
		case WSM_PSM_FAST_PS:
			pm_mode = "dynamic";
			break;
		}
		seq_printf(seq, "Preamble:   %s\n",
			   cw1200_debug_preamble[priv->association_mode.preamble]);
		seq_printf(seq, "AMPDU spcn: %d\n",
			   priv->association_mode.mpdu_start_spacing);
		seq_printf(seq, "Basic rate: 0x%.8X\n",
			   le32_to_cpu(priv->association_mode.basic_rate_set));
		seq_printf(seq, "Bss lost:   %d beacons\n",
			   priv->bss_params.beacon_lost_count);
		seq_printf(seq, "AID:        %d\n",
			   priv->bss_params.aid);
		seq_printf(seq, "Rates:      0x%.8X\n",
			   priv->bss_params.operational_rate_set);
		seq_printf(seq, "Powersave:  %s\n", pm_mode);
	}
	seq_printf(seq, "HT:         %s\n",
		   cw1200_is_ht(&priv->ht_info) ? "on" : "off");
	if (cw1200_is_ht(&priv->ht_info)) {
		seq_printf(seq, "Greenfield: %s\n",
			   cw1200_ht_greenfield(&priv->ht_info) ? "yes" : "no");
		seq_printf(seq, "AMPDU dens: %d\n",
			   cw1200_ht_ampdu_density(&priv->ht_info));
	}
	seq_printf(seq, "RSSI thold: %d\n",
		   priv->cqm_rssi_thold);
	seq_printf(seq, "RSSI hyst:  %d\n",
		   priv->cqm_rssi_hyst);
	seq_printf(seq, "Long retr:  %d\n",
		   priv->long_frame_max_tx_count);
	seq_printf(seq, "Short retr: %d\n",
		   priv->short_frame_max_tx_count);
	spin_lock_bh(&priv->tx_policy_cache.lock);
	i = 0;
	list_for_each(item, &priv->tx_policy_cache.used)
		++i;
	spin_unlock_bh(&priv->tx_policy_cache.lock);
	seq_printf(seq, "RC in use:  %d\n", i);

	seq_puts(seq, "\n");
	for (i = 0; i < 4; ++i) {
		cw1200_queue_status_show(seq, &priv->tx_queue[i]);
		seq_puts(seq, "\n");
	}

	cw1200_debug_print_map(seq, priv, "Link map:   ",
			       priv->link_id_map);
	cw1200_debug_print_map(seq, priv, "Asleep map: ",
			       priv->sta_asleep_mask);
	cw1200_debug_print_map(seq, priv, "PSPOLL map: ",
			       priv->pspoll_mask);

	seq_puts(seq, "\n");

	for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) {
		if (priv->link_id_db[i].status) {
			seq_printf(seq, "Link %d:     %s, %pM\n",
				   i + 1,
				   cw1200_debug_link_id[priv->link_id_db[i].status],
				   priv->link_id_db[i].mac);
		}
	}

	seq_puts(seq, "\n");

	seq_printf(seq, "BH status:  %s\n",
		   atomic_read(&priv->bh_term) ? "terminated" : "alive");
	seq_printf(seq, "Pending RX: %d\n",
		   atomic_read(&priv->bh_rx));
	seq_printf(seq, "Pending TX: %d\n",
		   atomic_read(&priv->bh_tx));
	if (priv->bh_error)
		seq_printf(seq, "BH errcode: %d\n",
			   priv->bh_error);
	seq_printf(seq, "TX bufs:    %d x %d bytes\n",
		   priv->wsm_caps.input_buffers,
		   priv->wsm_caps.input_buffer_size);
	seq_printf(seq, "Used bufs:  %d\n",
		   priv->hw_bufs_used);
	seq_printf(seq, "Powermgmt:  %s\n",
		   priv->powersave_enabled ? "on" : "off");
	seq_printf(seq, "Device:     %s\n",
		   priv->device_can_sleep ? "asleep" : "awake");

	spin_lock(&priv->wsm_cmd.lock);
	seq_printf(seq, "WSM status: %s\n",
		   priv->wsm_cmd.done ? "idle" : "active");
	seq_printf(seq, "WSM cmd:    0x%.4X (%td bytes)\n",
		   priv->wsm_cmd.cmd, priv->wsm_cmd.len);
	seq_printf(seq, "WSM retval: %d\n",
		   priv->wsm_cmd.ret);
	spin_unlock(&priv->wsm_cmd.lock);

	seq_printf(seq, "Datapath:   %s\n",
		   atomic_read(&priv->tx_lock) ? "locked" : "unlocked");
	if (atomic_read(&priv->tx_lock))
		seq_printf(seq, "TXlock cnt: %d\n",
			   atomic_read(&priv->tx_lock));

	seq_printf(seq, "TXed:       %d\n",
		   d->tx);
	seq_printf(seq, "AGG TXed:   %d\n",
		   d->tx_agg);
	seq_printf(seq, "MULTI TXed: %d (%d)\n",
		   d->tx_multi, d->tx_multi_frames);
	seq_printf(seq, "RXed:       %d\n",
		   d->rx);
	seq_printf(seq, "AGG RXed:   %d\n",
		   d->rx_agg);
	seq_printf(seq, "TX miss:    %d\n",
		   d->tx_cache_miss);
	seq_printf(seq, "TX align:   %d\n",
		   d->tx_align);
	seq_printf(seq, "TX burst:   %d\n",
		   d->tx_burst);
	seq_printf(seq, "TX TTL:     %d\n",
		   d->tx_ttl);
	seq_printf(seq, "Scan:       %s\n",
		   atomic_read(&priv->scan.in_progress) ? "active" : "idle");

	return 0;
}

DEFINE_SHOW_ATTRIBUTE(cw1200_status);

static int cw1200_counters_show(struct seq_file *seq, void *v)
{
	int ret;
	struct cw1200_common *priv = seq->private;
	struct wsm_mib_counters_table counters;

	ret = wsm_get_counters_table(priv, &counters);
	if (ret)
		return ret;

#define PUT_COUNTER(tab, name) \
	seq_printf(seq, "%s:" tab "%d\n", #name, \
		__le32_to_cpu(counters.name))

	PUT_COUNTER("\t\t", plcp_errors);
	PUT_COUNTER("\t\t", fcs_errors);
	PUT_COUNTER("\t\t", tx_packets);
	PUT_COUNTER("\t\t", rx_packets);
	PUT_COUNTER("\t\t", rx_packet_errors);
	PUT_COUNTER("\t",   rx_decryption_failures);
	PUT_COUNTER("\t\t", rx_mic_failures);
	PUT_COUNTER("\t",   rx_no_key_failures);
	PUT_COUNTER("\t",   tx_multicast_frames);
	PUT_COUNTER("\t",   tx_frames_success);
	PUT_COUNTER("\t",   tx_frame_failures);
	PUT_COUNTER("\t",   tx_frames_retried);
	PUT_COUNTER("\t",   tx_frames_multi_retried);
	PUT_COUNTER("\t",   rx_frame_duplicates);
	PUT_COUNTER("\t\t", rts_success);
	PUT_COUNTER("\t\t", rts_failures);
	PUT_COUNTER("\t\t", ack_failures);
	PUT_COUNTER("\t",   rx_multicast_frames);
	PUT_COUNTER("\t",   rx_frames_success);
	PUT_COUNTER("\t",   rx_cmac_icv_errors);
	PUT_COUNTER("\t\t", rx_cmac_replays);
	PUT_COUNTER("\t",   rx_mgmt_ccmp_replays);

#undef PUT_COUNTER

	return 0;
}

DEFINE_SHOW_ATTRIBUTE(cw1200_counters);

static ssize_t cw1200_wsm_dumps(struct file *file,
	const char __user *user_buf, size_t count, loff_t *ppos)
{
	struct cw1200_common *priv = file->private_data;
	char buf[1];

	if (!count)
		return -EINVAL;
	if (copy_from_user(buf, user_buf, 1))
		return -EFAULT;

	if (buf[0] == '1')
		priv->wsm_enable_wsm_dumps = 1;
	else
		priv->wsm_enable_wsm_dumps = 0;

	return count;
}

static const struct file_operations fops_wsm_dumps = {
	.open = simple_open,
	.write = cw1200_wsm_dumps,
	.llseek = default_llseek,
};

int cw1200_debug_init(struct cw1200_common *priv)
{
	int ret = -ENOMEM;
	struct cw1200_debug_priv *d = kzalloc(sizeof(struct cw1200_debug_priv),
			GFP_KERNEL);
	priv->debug = d;
	if (!d)
		return ret;

	d->debugfs_phy = debugfs_create_dir("cw1200",
					    priv->hw->wiphy->debugfsdir);
	debugfs_create_file("status", 0400, d->debugfs_phy, priv,
			    &cw1200_status_fops);
	debugfs_create_file("counters", 0400, d->debugfs_phy, priv,
			    &cw1200_counters_fops);
	debugfs_create_file("wsm_dumps", 0200, d->debugfs_phy, priv,
			    &fops_wsm_dumps);

	return 0;
}

void cw1200_debug_release(struct cw1200_common *priv)
{
	struct cw1200_debug_priv *d = priv->debug;
	if (d) {
		debugfs_remove_recursive(d->debugfs_phy);
		priv->debug = NULL;
		kfree(d);
	}
}
Commit	Line	Data
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
a910e4a9 SP	2	/*
	3	* mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers
	4	* DebugFS code
	5	*
	6	* Copyright (c) 2010, ST-Ericsson
	7	* Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
a910e4a9 SP	8	*/
	9
	10	#include <linux/module.h>
	11	#include <linux/debugfs.h>
	12	#include <linux/seq_file.h>
	13	#include "cw1200.h"
	14	#include "debug.h"
	15	#include "fwio.h"
	16
	17	/* join_status */
	18	static const char * const cw1200_debug_join_status[] = {
	19	"passive",
	20	"monitor",
	21	"station (joining)",
	22	"station (not authenticated yet)",
	23	"station",
	24	"adhoc",
	25	"access point",
	26	};
	27
	28	/* WSM_JOIN_PREAMBLE_... */
	29	static const char * const cw1200_debug_preamble[] = {
	30	"long",
	31	"short",
	32	"long on 1 and 2 Mbps",
	33	};
	34
	35
	36	static const char * const cw1200_debug_link_id[] = {
	37	"OFF",
	38	"REQ",
	39	"SOFT",
	40	"HARD",
2004daba FD	41	"RESET",
2004daba FD	42	"RESET_REMAP",
a910e4a9 SP	43	};
	44
	45	static const char *cw1200_debug_mode(int mode)
	46	{
	47	switch (mode) {
	48	case NL80211_IFTYPE_UNSPECIFIED:
	49	return "unspecified";
	50	case NL80211_IFTYPE_MONITOR:
	51	return "monitor";
	52	case NL80211_IFTYPE_STATION:
	53	return "station";
	54	case NL80211_IFTYPE_ADHOC:
	55	return "adhoc";
	56	case NL80211_IFTYPE_MESH_POINT:
	57	return "mesh point";
	58	case NL80211_IFTYPE_AP:
	59	return "access point";
	60	case NL80211_IFTYPE_P2P_CLIENT:
	61	return "p2p client";
	62	case NL80211_IFTYPE_P2P_GO:
	63	return "p2p go";
	64	default:
	65	return "unsupported";
	66	}
	67	}
	68
	69	static void cw1200_queue_status_show(struct seq_file *seq,
	70	struct cw1200_queue *q)
	71	{
	72	int i;
	73	seq_printf(seq, "Queue %d:\n", q->queue_id);
	74	seq_printf(seq, " capacity: %zu\n", q->capacity);
	75	seq_printf(seq, " queued: %zu\n", q->num_queued);
	76	seq_printf(seq, " pending: %zu\n", q->num_pending);
	77	seq_printf(seq, " sent: %zu\n", q->num_sent);
	78	seq_printf(seq, " locked: %s\n", q->tx_locked_cnt ? "yes" : "no");
	79	seq_printf(seq, " overfull: %s\n", q->overfull ? "yes" : "no");
	80	seq_puts(seq, " link map: 0-> ");
	81	for (i = 0; i < q->stats->map_capacity; ++i)
	82	seq_printf(seq, "%.2d ", q->link_map_cache[i]);
	83	seq_printf(seq, "<-%zu\n", q->stats->map_capacity);
	84	}
	85
	86	static void cw1200_debug_print_map(struct seq_file *seq,
	87	struct cw1200_common *priv,
	88	const char *label,
	89	u32 map)
	90	{
	91	int i;
	92	seq_printf(seq, "%s0-> ", label);
	93	for (i = 0; i < priv->tx_queue_stats.map_capacity; ++i)
	94	seq_printf(seq, "%s ", (map & BIT(i)) ? "**" : "..");
	95	seq_printf(seq, "<-%zu\n", priv->tx_queue_stats.map_capacity - 1);
	96	}
	97
	98	static int cw1200_status_show(struct seq_file seq, void v)
	99	{
	100	int i;
	101	struct list_head *item;
	102	struct cw1200_common *priv = seq->private;
	103	struct cw1200_debug_priv *d = priv->debug;
	104
	105	seq_puts(seq, "CW1200 Wireless LAN driver status\n");
	106	seq_printf(seq, "Hardware: %d.%d\n",
107	priv->wsm_caps.hw_id,
108	priv->wsm_caps.hw_subid);
109	seq_printf(seq, "Firmware: %s %d.%d\n",
110	cw1200_fw_types[priv->wsm_caps.fw_type],
111	priv->wsm_caps.fw_ver,
112	priv->wsm_caps.fw_build);
113	seq_printf(seq, "FW API: %d\n",
114	priv->wsm_caps.fw_api);
115	seq_printf(seq, "FW caps: 0x%.4X\n",
116	priv->wsm_caps.fw_cap);
117	seq_printf(seq, "FW label: '%s'\n",
118	priv->wsm_caps.fw_label);
119	seq_printf(seq, "Mode: %s%s\n",
120	cw1200_debug_mode(priv->mode),
121	priv->listening ? " (listening)" : "");
122	seq_printf(seq, "Join state: %s\n",
123	cw1200_debug_join_status[priv->join_status]);
124	if (priv->channel)
125	seq_printf(seq, "Channel: %d%s\n",
126	priv->channel->hw_value,
127	priv->channel_switch_in_progress ?
128	" (switching)" : "");
129	if (priv->rx_filter.promiscuous)
130	seq_puts(seq, "Filter: promisc\n");
131	else if (priv->rx_filter.fcs)
132	seq_puts(seq, "Filter: fcs\n");
133	if (priv->rx_filter.bssid)
134	seq_puts(seq, "Filter: bssid\n");
135	if (!priv->disable_beacon_filter)
136	seq_puts(seq, "Filter: beacons\n");
137
138	if (priv->enable_beacon \|\|
139	priv->mode == NL80211_IFTYPE_AP \|\|
140	priv->mode == NL80211_IFTYPE_ADHOC \|\|
141	priv->mode == NL80211_IFTYPE_MESH_POINT \|\|
142	priv->mode == NL80211_IFTYPE_P2P_GO)
143	seq_printf(seq, "Beaconing: %s\n",
144	priv->enable_beacon ?
145	"enabled" : "disabled");
146
147	for (i = 0; i < 4; ++i)
148	seq_printf(seq, "EDCA(%d): %d, %d, %d, %d, %d\n", i,
149	priv->edca.params[i].cwmin,
150	priv->edca.params[i].cwmax,
151	priv->edca.params[i].aifns,
152	priv->edca.params[i].txop_limit,
153	priv->edca.params[i].max_rx_lifetime);
154
155	if (priv->join_status == CW1200_JOIN_STATUS_STA) {
156	static const char *pm_mode = "unknown";
157	switch (priv->powersave_mode.mode) {
158	case WSM_PSM_ACTIVE:
159	pm_mode = "off";
160	break;
161	case WSM_PSM_PS:
162	pm_mode = "on";
163	break;
164	case WSM_PSM_FAST_PS:
165	pm_mode = "dynamic";
166	break;
167	}
168	seq_printf(seq, "Preamble: %s\n",
169	cw1200_debug_preamble[priv->association_mode.preamble]);
170	seq_printf(seq, "AMPDU spcn: %d\n",
171	priv->association_mode.mpdu_start_spacing);
172	seq_printf(seq, "Basic rate: 0x%.8X\n",
173	le32_to_cpu(priv->association_mode.basic_rate_set));
174	seq_printf(seq, "Bss lost: %d beacons\n",
175	priv->bss_params.beacon_lost_count);
176	seq_printf(seq, "AID: %d\n",
177	priv->bss_params.aid);
178	seq_printf(seq, "Rates: 0x%.8X\n",
179	priv->bss_params.operational_rate_set);
180	seq_printf(seq, "Powersave: %s\n", pm_mode);
181	}
182	seq_printf(seq, "HT: %s\n",
183	cw1200_is_ht(&priv->ht_info) ? "on" : "off");
184	if (cw1200_is_ht(&priv->ht_info)) {
185	seq_printf(seq, "Greenfield: %s\n",
186	cw1200_ht_greenfield(&priv->ht_info) ? "yes" : "no");
187	seq_printf(seq, "AMPDU dens: %d\n",
188	cw1200_ht_ampdu_density(&priv->ht_info));
189	}
190	seq_printf(seq, "RSSI thold: %d\n",
191	priv->cqm_rssi_thold);
192	seq_printf(seq, "RSSI hyst: %d\n",
193	priv->cqm_rssi_hyst);
194	seq_printf(seq, "Long retr: %d\n",
195	priv->long_frame_max_tx_count);
196	seq_printf(seq, "Short retr: %d\n",
197	priv->short_frame_max_tx_count);
198	spin_lock_bh(&priv->tx_policy_cache.lock);
199	i = 0;
200	list_for_each(item, &priv->tx_policy_cache.used)
201	++i;
202	spin_unlock_bh(&priv->tx_policy_cache.lock);
203	seq_printf(seq, "RC in use: %d\n", i);
204
205	seq_puts(seq, "\n");
206	for (i = 0; i < 4; ++i) {
207	cw1200_queue_status_show(seq, &priv->tx_queue[i]);
208	seq_puts(seq, "\n");
209	}
210
211	cw1200_debug_print_map(seq, priv, "Link map: ",
212	priv->link_id_map);
213	cw1200_debug_print_map(seq, priv, "Asleep map: ",
214	priv->sta_asleep_mask);
215	cw1200_debug_print_map(seq, priv, "PSPOLL map: ",
216	priv->pspoll_mask);
217
218	seq_puts(seq, "\n");
219
220	for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) {
221	if (priv->link_id_db[i].status) {
222	seq_printf(seq, "Link %d: %s, %pM\n",
223	i + 1,
224	cw1200_debug_link_id[priv->link_id_db[i].status],
225	priv->link_id_db[i].mac);
226	}
227	}
228
229	seq_puts(seq, "\n");
230
231	seq_printf(seq, "BH status: %s\n",
232	atomic_read(&priv->bh_term) ? "terminated" : "alive");
233	seq_printf(seq, "Pending RX: %d\n",
234	atomic_read(&priv->bh_rx));
235	seq_printf(seq, "Pending TX: %d\n",
236	atomic_read(&priv->bh_tx));
237	if (priv->bh_error)
238	seq_printf(seq, "BH errcode: %d\n",
239	priv->bh_error);
240	seq_printf(seq, "TX bufs: %d x %d bytes\n",
241	priv->wsm_caps.input_buffers,
242	priv->wsm_caps.input_buffer_size);
243	seq_printf(seq, "Used bufs: %d\n",
244	priv->hw_bufs_used);
245	seq_printf(seq, "Powermgmt: %s\n",
246	priv->powersave_enabled ? "on" : "off");
247	seq_printf(seq, "Device: %s\n",
248	priv->device_can_sleep ? "asleep" : "awake");
249
250	spin_lock(&priv->wsm_cmd.lock);
251	seq_printf(seq, "WSM status: %s\n",
252	priv->wsm_cmd.done ? "idle" : "active");
253	seq_printf(seq, "WSM cmd: 0x%.4X (%td bytes)\n",
254	priv->wsm_cmd.cmd, priv->wsm_cmd.len);
255	seq_printf(seq, "WSM retval: %d\n",
256	priv->wsm_cmd.ret);
257	spin_unlock(&priv->wsm_cmd.lock);
258
259	seq_printf(seq, "Datapath: %s\n",
260	atomic_read(&priv->tx_lock) ? "locked" : "unlocked");
261	if (atomic_read(&priv->tx_lock))
262	seq_printf(seq, "TXlock cnt: %d\n",
263	atomic_read(&priv->tx_lock));
264
265	seq_printf(seq, "TXed: %d\n",
266	d->tx);
267	seq_printf(seq, "AGG TXed: %d\n",
268	d->tx_agg);
269	seq_printf(seq, "MULTI TXed: %d (%d)\n",
270	d->tx_multi, d->tx_multi_frames);
271	seq_printf(seq, "RXed: %d\n",
272	d->rx);
273	seq_printf(seq, "AGG RXed: %d\n",
274	d->rx_agg);
275	seq_printf(seq, "TX miss: %d\n",
276	d->tx_cache_miss);
277	seq_printf(seq, "TX align: %d\n",
278	d->tx_align);
279	seq_printf(seq, "TX burst: %d\n",
280	d->tx_burst);
281	seq_printf(seq, "TX TTL: %d\n",
282	d->tx_ttl);
283	seq_printf(seq, "Scan: %s\n",
284	atomic_read(&priv->scan.in_progress) ? "active" : "idle");
285
286	return 0;
287	}
288
cc4dc97f	289	DEFINE_SHOW_ATTRIBUTE(cw1200_status);
a910e4a9 SP	290
	291	static int cw1200_counters_show(struct seq_file seq, void v)
	292	{
	293	int ret;
	294	struct cw1200_common *priv = seq->private;
	295	struct wsm_mib_counters_table counters;
	296
	297	ret = wsm_get_counters_table(priv, &counters);
	298	if (ret)
	299	return ret;
	300
	301	#define PUT_COUNTER(tab, name) \
	302	seq_printf(seq, "%s:" tab "%d\n", #name, \
	303	__le32_to_cpu(counters.name))
	304
	305	PUT_COUNTER("\t\t", plcp_errors);
	306	PUT_COUNTER("\t\t", fcs_errors);
	307	PUT_COUNTER("\t\t", tx_packets);
	308	PUT_COUNTER("\t\t", rx_packets);
	309	PUT_COUNTER("\t\t", rx_packet_errors);
	310	PUT_COUNTER("\t", rx_decryption_failures);
	311	PUT_COUNTER("\t\t", rx_mic_failures);
	312	PUT_COUNTER("\t", rx_no_key_failures);
	313	PUT_COUNTER("\t", tx_multicast_frames);
	314	PUT_COUNTER("\t", tx_frames_success);
	315	PUT_COUNTER("\t", tx_frame_failures);
	316	PUT_COUNTER("\t", tx_frames_retried);
	317	PUT_COUNTER("\t", tx_frames_multi_retried);
	318	PUT_COUNTER("\t", rx_frame_duplicates);
	319	PUT_COUNTER("\t\t", rts_success);
	320	PUT_COUNTER("\t\t", rts_failures);
	321	PUT_COUNTER("\t\t", ack_failures);
	322	PUT_COUNTER("\t", rx_multicast_frames);
	323	PUT_COUNTER("\t", rx_frames_success);
	324	PUT_COUNTER("\t", rx_cmac_icv_errors);
	325	PUT_COUNTER("\t\t", rx_cmac_replays);
	326	PUT_COUNTER("\t", rx_mgmt_ccmp_replays);
	327
	328	#undef PUT_COUNTER
	329
	330	return 0;
	331	}
	332
cc4dc97f	333	DEFINE_SHOW_ATTRIBUTE(cw1200_counters);
a910e4a9	334
a910e4a9 SP	335	static ssize_t cw1200_wsm_dumps(struct file *file,
	336	const char __user user_buf, size_t count, loff_t ppos)
	337	{
	338	struct cw1200_common *priv = file->private_data;
	339	char buf[1];
	340
	341	if (!count)
	342	return -EINVAL;
	343	if (copy_from_user(buf, user_buf, 1))
	344	return -EFAULT;
	345
	346	if (buf[0] == '1')
	347	priv->wsm_enable_wsm_dumps = 1;
	348	else
	349	priv->wsm_enable_wsm_dumps = 0;
	350
	351	return count;
	352	}
	353
	354	static const struct file_operations fops_wsm_dumps = {
c0dc79d6	355	.open = simple_open,
a910e4a9 SP	356	.write = cw1200_wsm_dumps,
	357	.llseek = default_llseek,
	358	};
	359
	360	int cw1200_debug_init(struct cw1200_common *priv)
	361	{
	362	int ret = -ENOMEM;
	363	struct cw1200_debug_priv *d = kzalloc(sizeof(struct cw1200_debug_priv),
	364	GFP_KERNEL);
	365	priv->debug = d;
	366	if (!d)
	367	return ret;
	368
	369	d->debugfs_phy = debugfs_create_dir("cw1200",
	370	priv->hw->wiphy->debugfsdir);
80f4c5e3 GKH	371	debugfs_create_file("status", 0400, d->debugfs_phy, priv,
	372	&cw1200_status_fops);
	373	debugfs_create_file("counters", 0400, d->debugfs_phy, priv,
	374	&cw1200_counters_fops);
	375	debugfs_create_file("wsm_dumps", 0200, d->debugfs_phy, priv,
	376	&fops_wsm_dumps);
a910e4a9	377
a910e4a9	378	return 0;
a910e4a9 SP	379	}
	380
	381	void cw1200_debug_release(struct cw1200_common *priv)
	382	{
	383	struct cw1200_debug_priv *d = priv->debug;
	384	if (d) {
fa8eeae1	385	debugfs_remove_recursive(d->debugfs_phy);
a910e4a9 SP	386	priv->debug = NULL;
	387	kfree(d);
	388	}
	389	}