OpenCloudOS-Kernel/drivers/net/wireless/cw1200/debug.c

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/*
* 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",
};
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,
};
#ifdef CONFIG_CW1200_ETF
static int cw1200_etf_out_show(struct seq_file *seq, void *v)
{
struct cw1200_common *priv = seq->private;
struct sk_buff *skb;
u32 len = 0;
skb = skb_dequeue(&priv->etf_q);
if (skb)
len = skb->len;
seq_write(seq, &len, sizeof(len));
if (skb) {
seq_write(seq, skb->data, len);
kfree_skb(skb);
}
return 0;
}
static int cw1200_etf_out_open(struct inode *inode, struct file *file)
{
return single_open(file, &cw1200_etf_out_show,
inode->i_private);
}
static const struct file_operations fops_etf_out = {
.open = cw1200_etf_out_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
struct etf_req_msg;
static int etf_request(struct cw1200_common *priv,
struct etf_req_msg *msg, u32 len);
#define MAX_RX_SIZE 2600
struct etf_in_state {
struct cw1200_common *priv;
u16 total_len;
u16 written;
u8 buf[MAX_RX_SIZE];
};
static int cw1200_etf_in_open(struct inode *inode, struct file *file)
{
struct etf_in_state *etf = kmalloc(sizeof(struct etf_in_state),
GFP_KERNEL);
if (!etf)
return -ENOMEM;
etf->written = 0;
etf->total_len = 0;
etf->priv = inode->i_private;
file->private_data = etf;
return 0;
}
static int cw1200_etf_in_release(struct inode *inode, struct file *file)
{
kfree(file->private_data);
return 0;
}
static ssize_t cw1200_etf_in_write(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
struct etf_in_state *etf = file->private_data;
ssize_t written = 0;
if (!etf->total_len) {
if (count < sizeof(etf->total_len)) {
pr_err("count < sizeof(total_len)\n");
return -EINVAL;
}
if (copy_from_user(&etf->total_len, user_buf,
sizeof(etf->total_len))) {
pr_err("copy_from_user (len) failed\n");
return -EFAULT;
}
if (etf->total_len > MAX_RX_SIZE) {
pr_err("requested length > MAX_RX_SIZE\n");
return -EINVAL;
}
written += sizeof(etf->total_len);
count -= sizeof(etf->total_len);
}
if (!count)
goto done;
if (count > (etf->total_len - written)) {
pr_err("Tried to write > MAX_RX_SIZE\n");
return -EINVAL;
}
if (copy_from_user(etf->buf + etf->written, user_buf + written,
count)) {
pr_err("copy_from_user (payload %zu) failed\n", count);
return -EFAULT;
}
written += count;
etf->written += count;
if (etf->written >= etf->total_len) {
if (etf_request(etf->priv, (struct etf_req_msg *)etf->buf,
etf->total_len)) {
pr_err("etf_request failed\n");
return -EIO;
}
}
done:
return written;
}
static const struct file_operations fops_etf_in = {
.open = cw1200_etf_in_open,
.release = cw1200_etf_in_release,
.write = cw1200_etf_in_write,
.llseek = default_llseek,
.owner = THIS_MODULE,
};
#endif /* CONFIG_CW1200_ETF */
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", S_IRUSR, d->debugfs_phy,
priv, &fops_status))
goto err;
if (!debugfs_create_file("counters", S_IRUSR, d->debugfs_phy,
priv, &fops_counters))
goto err;
#ifdef CONFIG_CW1200_ETF
if (etf_mode) {
skb_queue_head_init(&priv->etf_q);
if (!debugfs_create_file("etf_out", S_IRUSR, d->debugfs_phy,
priv, &fops_etf_out))
goto err;
if (!debugfs_create_file("etf_in", S_IWUSR, d->debugfs_phy,
priv, &fops_etf_in))
goto err;
}
#endif /* CONFIG_CW1200_ETF */
if (!debugfs_create_file("wsm_dumps", S_IWUSR, d->debugfs_phy,
priv, &fops_wsm_dumps))
goto err;
ret = cw1200_itp_init(priv);
if (ret)
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) {
cw1200_itp_release(priv);
priv->debug = NULL;
kfree(d);
}
}
#ifdef CONFIG_CW1200_ETF
struct cw1200_sdd {
u8 id;
u8 len;
u8 data[];
};
struct etf_req_msg {
u32 id;
u32 len;
u8 data[];
};
static int parse_sdd_file(struct cw1200_common *priv, u8 *data, u32 length)
{
struct cw1200_sdd *ie;
while (length > 0) {
ie = (struct cw1200_sdd *)data;
if (ie->id == SDD_REFERENCE_FREQUENCY_ELT_ID) {
priv->hw_refclk = cpu_to_le16(*((u16 *)ie->data));
pr_info("Using Reference clock frequency %d KHz\n",
priv->hw_refclk);
break;
}
length -= ie->len + sizeof(*ie);
data += ie->len + sizeof(*ie);
}
return 0;
}
char *etf_firmware;
#define ST90TDS_START_ADAPTER 0x09 /* Loads firmware too */
#define ST90TDS_STOP_ADAPTER 0x0A
#define ST90TDS_CONFIG_ADAPTER 0x0E /* Send configuration params */
#define ST90TDS_SBUS_READ 0x13
#define ST90TDS_SBUS_WRITE 0x14
#define ST90TDS_GET_DEVICE_OPTION 0x19
#define ST90TDS_SET_DEVICE_OPTION 0x1A
#define ST90TDS_SEND_SDD 0x1D /* SDD File used to find DPLL */
#include "fwio.h"
static int etf_request(struct cw1200_common *priv,
struct etf_req_msg *msg,
u32 len)
{
int rval = -1;
switch (msg->id) {
case ST90TDS_START_ADAPTER:
etf_firmware = "cw1200_etf.bin";
pr_info("ETF_START (len %d, '%s')\n", len, etf_firmware);
rval = cw1200_load_firmware(priv);
break;
case ST90TDS_STOP_ADAPTER:
pr_info("ETF_STOP (unhandled)\n");
break;
case ST90TDS_SEND_SDD:
pr_info("ETF_SDD\n");
rval = parse_sdd_file(priv, msg->data, msg->len);
break;
case ST90TDS_CONFIG_ADAPTER:
pr_info("ETF_CONFIG_ADAP (unhandled)\n");
break;
case ST90TDS_SBUS_READ:
pr_info("ETF_SBUS_READ (unhandled)\n");
break;
case ST90TDS_SBUS_WRITE:
pr_info("ETF_SBUS_WRITE (unhandled)\n");
break;
case ST90TDS_SET_DEVICE_OPTION:
pr_info("ETF_SET_DEV_OPT (unhandled)\n");
break;
default:
pr_info("ETF_PASSTHRU (0x%08x)\n", msg->id);
rval = wsm_raw_cmd(priv, (u8 *)msg, len);
break;
}
return rval;
}
#endif /* CONFIG_CW1200_ETF */