431 lines
12 KiB
C
431 lines
12 KiB
C
|
/*
|
||
|
|
* mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers
|
||
|
|
* DebugFS code
|
||
|
|
*
|
||
|
|
* Copyright (c) 2010, ST-Ericsson
|
||
|
|
* Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cw1200_status_open(struct inode *inode, struct file *file)
|
||
|
|
{
|
||
|
|
return single_open(file, &cw1200_status_show,
|
||
|
|
inode->i_private);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations fops_status = {
|
||
|
|
.open = cw1200_status_open,
|
||
|
|
.read = seq_read,
|
||
|
|
.llseek = seq_lseek,
|
||
|
|
.release = single_release,
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
};
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cw1200_counters_open(struct inode *inode, struct file *file)
|
||
|
|
{
|
||
|
|
return single_open(file, &cw1200_counters_show,
|
||
|
|
inode->i_private);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations fops_counters = {
|
||
|
|
.open = cw1200_counters_open,
|
||
|
|
.read = seq_read,
|
||
|
|
.llseek = seq_lseek,
|
||
|
|
.release = single_release,
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
};
|
||
|
|
|
||
|
|
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);
|
||
|
|
if (!d->debugfs_phy)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
if (!debugfs_create_file("status", 0400, d->debugfs_phy,
|
||
|
|
priv, &fops_status))
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
if (!debugfs_create_file("counters", 0400, d->debugfs_phy,
|
||
|
|
priv, &fops_counters))
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
if (!debugfs_create_file("wsm_dumps", 0200, d->debugfs_phy,
|
||
|
|
priv, &fops_wsm_dumps))
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err:
|
||
|
|
priv->debug = NULL;
|
||
|
|
debugfs_remove_recursive(d->debugfs_phy);
|
||
|
|
kfree(d);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
}
|