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linux/drivers/net/wireless/libertas/debugfs.c

1936 lines
50 KiB
C
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#include <linux/module.h>
#include <linux/dcache.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <net/iw_handler.h>
#include "dev.h"
#include "decl.h"
#include "host.h"
static struct dentry *libertas_dir = NULL;
static char *szStates[] = {
"Connected",
"Disconnected"
};
void libertas_debug_init(wlan_private * priv, struct net_device *dev);
static int open_file_generic(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
static ssize_t write_file_dummy(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
return -EINVAL;
}
static const size_t len = PAGE_SIZE;
static ssize_t libertas_dev_info(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
size_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
ssize_t res;
pos += snprintf(buf+pos, len-pos, "state = %s\n",
szStates[priv->adapter->connect_status]);
pos += snprintf(buf+pos, len-pos, "region_code = %02x\n",
(u32) priv->adapter->regioncode);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_getscantable(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
size_t pos = 0;
int numscansdone = 0, res;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
pos += snprintf(buf+pos, len-pos,
"---------------------------------------");
pos += snprintf(buf+pos, len-pos,
"---------------------------------------\n");
pos += snprintf(buf+pos, len-pos,
"# | ch | ss | bssid | cap | TSF | Qual | SSID \n");
pos += snprintf(buf+pos, len-pos,
"---------------------------------------");
pos += snprintf(buf+pos, len-pos,
"---------------------------------------\n");
while (numscansdone < priv->adapter->numinscantable) {
struct bss_descriptor *pbssinfo;
u16 cap;
pbssinfo = &priv->adapter->scantable[numscansdone];
memcpy(&cap, &pbssinfo->cap, sizeof(cap));
pos += snprintf(buf+pos, len-pos,
"%02u| %03d | %03ld | %02x:%02x:%02x:%02x:%02x:%02x |",
numscansdone, pbssinfo->channel, pbssinfo->rssi,
pbssinfo->macaddress[0], pbssinfo->macaddress[1],
pbssinfo->macaddress[2], pbssinfo->macaddress[3],
pbssinfo->macaddress[4], pbssinfo->macaddress[5]);
pos += snprintf(buf+pos, len-pos, " %04x-", cap);
pos += snprintf(buf+pos, len-pos, "%c%c%c |",
pbssinfo->cap.ibss ? 'A' : 'I',
pbssinfo->cap.privacy ? 'P' : ' ',
pbssinfo->cap.spectrummgmt ? 'S' : ' ');
pos += snprintf(buf+pos, len-pos, " %08llx |", pbssinfo->networktsf);
pos += snprintf(buf+pos, len-pos, " %d |",
SCAN_RSSI(priv->adapter->scantable[numscansdone].rssi));
pos += snprintf(buf+pos, len-pos, " %s\n", pbssinfo->ssid.ssid);
numscansdone++;
}
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_sleepparams_write(struct file *file,
const char __user *user_buf, size_t count,
loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t buf_size, res;
int p1, p2, p3, p4, p5, p6;
struct sleep_params sp;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, user_buf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d %d %d %d", &p1, &p2, &p3, &p4, &p5, &p6);
if (res != 6) {
res = -EFAULT;
goto out_unlock;
}
sp.sp_error = p1;
sp.sp_offset = p2;
sp.sp_stabletime = p3;
sp.sp_calcontrol = p4;
sp.sp_extsleepclk = p5;
sp.sp_reserved = p6;
memcpy(&priv->adapter->sp, &sp, sizeof(struct sleep_params));
res = libertas_prepare_and_send_command(priv,
cmd_802_11_sleep_params,
cmd_act_set,
cmd_option_waitforrsp, 0, NULL);
if (!res)
res = count;
else
res = -EINVAL;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_sleepparams_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res;
size_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_prepare_and_send_command(priv,
cmd_802_11_sleep_params,
cmd_act_get,
cmd_option_waitforrsp, 0, NULL);
if (res) {
res = -EFAULT;
goto out_unlock;
}
pos += snprintf(buf, len, "%d %d %d %d %d %d\n", adapter->sp.sp_error,
adapter->sp.sp_offset, adapter->sp.sp_stabletime,
adapter->sp.sp_calcontrol, adapter->sp.sp_extsleepclk,
adapter->sp.sp_reserved);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_extscan(struct file *file, const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
struct WLAN_802_11_SSID extscan_ssid;
union iwreq_data wrqu;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
memcpy(&extscan_ssid.ssid, buf, strlen(buf)-1);
extscan_ssid.ssidlength = strlen(buf)-1;
libertas_send_specific_SSID_scan(priv, &extscan_ssid, 1);
memset(&wrqu, 0, sizeof(union iwreq_data));
wireless_send_event(priv->wlan_dev.netdev, SIOCGIWSCAN, &wrqu, NULL);
out_unlock:
free_page(addr);
return count;
}
static int libertas_parse_chan(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg, int dur)
{
char *start, *end, *hold, *str;
int i = 0;
start = strstr(buf, "chan=");
if (!start)
return -EINVAL;
start += 5;
end = strstr(start, " ");
if (!end)
end = buf + count;
hold = kzalloc((end - start)+1, GFP_KERNEL);
if (!hold)
return -ENOMEM;
strncpy(hold, start, end - start);
hold[(end-start)+1] = '\0';
while(hold && (str = strsep(&hold, ","))) {
int chan;
char band, passive = 0;
sscanf(str, "%d%c%c", &chan, &band, &passive);
scan_cfg->chanlist[i].channumber = chan;
scan_cfg->chanlist[i].scantype = passive ? 1 : 0;
if (band == 'b' || band == 'g')
scan_cfg->chanlist[i].radiotype = 0;
else if (band == 'a')
scan_cfg->chanlist[i].radiotype = 1;
scan_cfg->chanlist[i].scantime = dur;
i++;
}
kfree(hold);
return i;
}
static void libertas_parse_bssid(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg)
{
char *hold;
unsigned int mac[ETH_ALEN];
int i;
hold = strstr(buf, "bssid=");
if (!hold)
return;
hold += 6;
sscanf(hold, "%2x:%2x:%2x:%2x:%2x:%2x", mac, mac+1, mac+2, mac+3,
mac+4, mac+5);
for(i=0;i<ETH_ALEN;i++)
scan_cfg->specificBSSID[i] = mac[i];
}
static void libertas_parse_ssid(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg)
{
char *hold, *end;
ssize_t size;
hold = strstr(buf, "ssid=");
if (!hold)
return;
hold += 5;
end = strstr(hold, " ");
if (!end)
end = buf + count - 1;
size = min(IW_ESSID_MAX_SIZE, end - hold);
strncpy(scan_cfg->specificSSID, hold, size);
return;
}
static void libertas_parse_keep(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg)
{
char *hold;
int val;
hold = strstr(buf, "keep=");
if (!hold)
return;
hold += 5;
sscanf(hold, "%d", &val);
if (val != 0)
val = 1;
scan_cfg->keeppreviousscan = val;
return;
}
static int libertas_parse_dur(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg)
{
char *hold;
int val;
hold = strstr(buf, "dur=");
if (!hold)
return 0;
hold += 4;
sscanf(hold, "%d", &val);
return val;
}
static void libertas_parse_probes(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg)
{
char *hold;
int val;
hold = strstr(buf, "probes=");
if (!hold)
return;
hold += 7;
sscanf(hold, "%d", &val);
scan_cfg->numprobes = val;
return;
}
static void libertas_parse_type(char *buf, size_t count,
struct wlan_ioctl_user_scan_cfg *scan_cfg)
{
char *hold;
int val;
hold = strstr(buf, "type=");
if (!hold)
return;
hold += 5;
sscanf(hold, "%d", &val);
/* type=1,2 or 3 */
if (val < 1 || val > 3)
return;
scan_cfg->bsstype = val;
return;
}
static ssize_t libertas_setuserscan(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
struct wlan_ioctl_user_scan_cfg *scan_cfg;
union iwreq_data wrqu;
int dur;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
scan_cfg = kzalloc(sizeof(struct wlan_ioctl_user_scan_cfg), GFP_KERNEL);
if (!scan_cfg)
return -ENOMEM;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
scan_cfg->bsstype = WLAN_SCAN_BSS_TYPE_ANY;
dur = libertas_parse_dur(buf, count, scan_cfg);
libertas_parse_chan(buf, count, scan_cfg, dur);
libertas_parse_bssid(buf, count, scan_cfg);
libertas_parse_ssid(buf, count, scan_cfg);
libertas_parse_keep(buf, count, scan_cfg);
libertas_parse_probes(buf, count, scan_cfg);
libertas_parse_type(buf, count, scan_cfg);
wlan_scan_networks(priv, scan_cfg);
wait_event_interruptible(priv->adapter->cmd_pending,
!priv->adapter->nr_cmd_pending);
memset(&wrqu, 0x00, sizeof(union iwreq_data));
wireless_send_event(priv->wlan_dev.netdev, SIOCGIWSCAN, &wrqu, NULL);
out_unlock:
free_page(addr);
kfree(scan_cfg);
return count;
}
static int libertas_event_initcmd(wlan_private *priv, void **response_buf,
struct cmd_ctrl_node **cmdnode,
struct cmd_ds_command **cmd)
{
u16 wait_option = cmd_option_waitforrsp;
if (!(*cmdnode = libertas_get_free_cmd_ctrl_node(priv))) {
lbs_pr_debug(1, "failed libertas_get_free_cmd_ctrl_node\n");
return -ENOMEM;
}
if (!(*response_buf = kmalloc(3000, GFP_KERNEL))) {
lbs_pr_debug(1, "failed to allocate response buffer!\n");
return -ENOMEM;
}
libertas_set_cmd_ctrl_node(priv, *cmdnode, 0, wait_option, NULL);
init_waitqueue_head(&(*cmdnode)->cmdwait_q);
(*cmdnode)->pdata_buf = *response_buf;
(*cmdnode)->cmdflags |= CMD_F_HOSTCMD;
(*cmdnode)->cmdwaitqwoken = 0;
*cmd = (struct cmd_ds_command *)(*cmdnode)->bufvirtualaddr;
(*cmd)->command = cmd_802_11_subscribe_event;
(*cmd)->seqnum = ++priv->adapter->seqnum;
(*cmd)->result = 0;
return 0;
}
static ssize_t libertas_lowrssi_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res, cmd_len;
ssize_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0) {
free_page(addr);
return res;
}
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
while (cmd_len < pcmdptr->size) {
struct mrvlietypesheader *header = (struct mrvlietypesheader *)(response_buf + cmd_len);
switch(header->type) {
struct mrvlietypes_rssithreshold *Lowrssi;
case TLV_TYPE_RSSI_LOW:
Lowrssi = (struct mrvlietypes_rssithreshold *)(response_buf + cmd_len);
pos += snprintf(buf+pos, len-pos, "%d %d %d\n",
Lowrssi->rssivalue,
Lowrssi->rssifreq,
(event->events & 0x0001)?1:0);
default:
cmd_len += sizeof(struct mrvlietypes_snrthreshold);
break;
}
}
kfree(response_buf);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static u16 libertas_get_events_bitmap(wlan_private *priv)
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res;
u16 event_bitmap;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
return res;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
return 0;
}
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
event_bitmap = event->events;
kfree(response_buf);
return event_bitmap;
}
static ssize_t libertas_lowrssi_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res, buf_size;
int value, freq, subscribed, cmd_len;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
struct mrvlietypes_rssithreshold *rssi_threshold;
void *response_buf;
u16 event_bitmap;
u8 *ptr;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d", &value, &freq, &subscribed);
if (res != 3) {
res = -EFAULT;
goto out_unlock;
}
event_bitmap = libertas_get_events_bitmap(priv);
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
goto out_unlock;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_set;
pcmdptr->size = cpu_to_le16(S_DS_GEN +
sizeof(struct cmd_ds_802_11_subscribe_event) +
sizeof(struct mrvlietypes_rssithreshold));
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
ptr = (u8*) pcmdptr+cmd_len;
rssi_threshold = (struct mrvlietypes_rssithreshold *)(ptr);
rssi_threshold->header.type = cpu_to_le16(0x0104);
rssi_threshold->header.len = 2;
rssi_threshold->rssivalue = cpu_to_le16(value);
rssi_threshold->rssifreq = cpu_to_le16(freq);
event_bitmap |= subscribed ? 0x0001 : 0x0;
event->events = event_bitmap;
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_lowsnr_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res, cmd_len;
ssize_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0) {
free_page(addr);
return res;
}
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
while (cmd_len < pcmdptr->size) {
struct mrvlietypesheader *header = (struct mrvlietypesheader *)(response_buf + cmd_len);
switch(header->type) {
struct mrvlietypes_snrthreshold *LowSnr;
case TLV_TYPE_SNR_LOW:
LowSnr = (struct mrvlietypes_snrthreshold *)(response_buf + cmd_len);
pos += snprintf(buf+pos, len-pos, "%d %d %d\n",
LowSnr->snrvalue,
LowSnr->snrfreq,
(event->events & 0x0002)?1:0);
default:
cmd_len += sizeof(struct mrvlietypes_snrthreshold);
break;
}
}
kfree(response_buf);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_lowsnr_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res, buf_size;
int value, freq, subscribed, cmd_len;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
struct mrvlietypes_snrthreshold *snr_threshold;
void *response_buf;
u16 event_bitmap;
u8 *ptr;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d", &value, &freq, &subscribed);
if (res != 3) {
res = -EFAULT;
goto out_unlock;
}
event_bitmap = libertas_get_events_bitmap(priv);
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
goto out_unlock;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_set;
pcmdptr->size = cpu_to_le16(S_DS_GEN +
sizeof(struct cmd_ds_802_11_subscribe_event) +
sizeof(struct mrvlietypes_snrthreshold));
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
ptr = (u8*) pcmdptr+cmd_len;
snr_threshold = (struct mrvlietypes_snrthreshold *)(ptr);
snr_threshold->header.type = cpu_to_le16(TLV_TYPE_SNR_LOW);
snr_threshold->header.len = 2;
snr_threshold->snrvalue = cpu_to_le16(value);
snr_threshold->snrfreq = cpu_to_le16(freq);
event_bitmap |= subscribed ? 0x0002 : 0x0;
event->events = event_bitmap;
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_failcount_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res, cmd_len;
ssize_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0) {
free_page(addr);
return res;
}
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
while (cmd_len < pcmdptr->size) {
struct mrvlietypesheader *header = (struct mrvlietypesheader *)(response_buf + cmd_len);
switch(header->type) {
struct mrvlietypes_failurecount *failcount;
case TLV_TYPE_FAILCOUNT:
failcount = (struct mrvlietypes_failurecount *)(response_buf + cmd_len);
pos += snprintf(buf+pos, len-pos, "%d %d %d\n",
failcount->failvalue,
failcount->Failfreq,
(event->events & 0x0004)?1:0);
default:
cmd_len += sizeof(struct mrvlietypes_failurecount);
break;
}
}
kfree(response_buf);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_failcount_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res, buf_size;
int value, freq, subscribed, cmd_len;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
struct mrvlietypes_failurecount *failcount;
void *response_buf;
u16 event_bitmap;
u8 *ptr;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d", &value, &freq, &subscribed);
if (res != 3) {
res = -EFAULT;
goto out_unlock;
}
event_bitmap = libertas_get_events_bitmap(priv);
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
goto out_unlock;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_set;
pcmdptr->size = cpu_to_le16(S_DS_GEN +
sizeof(struct cmd_ds_802_11_subscribe_event) +
sizeof(struct mrvlietypes_failurecount));
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
ptr = (u8*) pcmdptr+cmd_len;
failcount = (struct mrvlietypes_failurecount *)(ptr);
failcount->header.type = cpu_to_le16(TLV_TYPE_FAILCOUNT);
failcount->header.len = 2;
failcount->failvalue = cpu_to_le16(value);
failcount->Failfreq = cpu_to_le16(freq);
event_bitmap |= subscribed ? 0x0004 : 0x0;
event->events = event_bitmap;
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = (struct cmd_ds_command *)response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_bcnmiss_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res, cmd_len;
ssize_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0) {
free_page(addr);
return res;
}
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
free_page(addr);
kfree(response_buf);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
free_page(addr);
kfree(response_buf);
return 0;
}
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
while (cmd_len < pcmdptr->size) {
struct mrvlietypesheader *header = (struct mrvlietypesheader *)(response_buf + cmd_len);
switch(header->type) {
struct mrvlietypes_beaconsmissed *bcnmiss;
case TLV_TYPE_BCNMISS:
bcnmiss = (struct mrvlietypes_beaconsmissed *)(response_buf + cmd_len);
pos += snprintf(buf+pos, len-pos, "%d N/A %d\n",
bcnmiss->beaconmissed,
(event->events & 0x0008)?1:0);
default:
cmd_len += sizeof(struct mrvlietypes_beaconsmissed);
break;
}
}
kfree(response_buf);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_bcnmiss_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res, buf_size;
int value, freq, subscribed, cmd_len;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
struct mrvlietypes_beaconsmissed *bcnmiss;
void *response_buf;
u16 event_bitmap;
u8 *ptr;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d", &value, &freq, &subscribed);
if (res != 3) {
res = -EFAULT;
goto out_unlock;
}
event_bitmap = libertas_get_events_bitmap(priv);
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
goto out_unlock;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_set;
pcmdptr->size = cpu_to_le16(S_DS_GEN +
sizeof(struct cmd_ds_802_11_subscribe_event) +
sizeof(struct mrvlietypes_beaconsmissed));
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
ptr = (u8*) pcmdptr+cmd_len;
bcnmiss = (struct mrvlietypes_beaconsmissed *)(ptr);
bcnmiss->header.type = cpu_to_le16(TLV_TYPE_BCNMISS);
bcnmiss->header.len = 2;
bcnmiss->beaconmissed = cpu_to_le16(value);
event_bitmap |= subscribed ? 0x0008 : 0x0;
event->events = event_bitmap;
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
free_page(addr);
kfree(response_buf);
return 0;
}
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_highrssi_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res, cmd_len;
ssize_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0) {
free_page(addr);
return res;
}
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
while (cmd_len < pcmdptr->size) {
struct mrvlietypesheader *header = (struct mrvlietypesheader *)(response_buf + cmd_len);
switch(header->type) {
struct mrvlietypes_rssithreshold *Highrssi;
case TLV_TYPE_RSSI_HIGH:
Highrssi = (struct mrvlietypes_rssithreshold *)(response_buf + cmd_len);
pos += snprintf(buf+pos, len-pos, "%d %d %d\n",
Highrssi->rssivalue,
Highrssi->rssifreq,
(event->events & 0x0010)?1:0);
default:
cmd_len += sizeof(struct mrvlietypes_snrthreshold);
break;
}
}
kfree(response_buf);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_highrssi_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res, buf_size;
int value, freq, subscribed, cmd_len;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
struct mrvlietypes_rssithreshold *rssi_threshold;
void *response_buf;
u16 event_bitmap;
u8 *ptr;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d", &value, &freq, &subscribed);
if (res != 3) {
res = -EFAULT;
goto out_unlock;
}
event_bitmap = libertas_get_events_bitmap(priv);
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
goto out_unlock;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_set;
pcmdptr->size = cpu_to_le16(S_DS_GEN +
sizeof(struct cmd_ds_802_11_subscribe_event) +
sizeof(struct mrvlietypes_rssithreshold));
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
ptr = (u8*) pcmdptr+cmd_len;
rssi_threshold = (struct mrvlietypes_rssithreshold *)(ptr);
rssi_threshold->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
rssi_threshold->header.len = 2;
rssi_threshold->rssivalue = cpu_to_le16(value);
rssi_threshold->rssifreq = cpu_to_le16(freq);
event_bitmap |= subscribed ? 0x0010 : 0x0;
event->events = event_bitmap;
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
return 0;
}
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_highsnr_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
void *response_buf;
int res, cmd_len;
ssize_t pos = 0;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0) {
free_page(addr);
return res;
}
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_get;
pcmdptr->size =
cpu_to_le16(sizeof(struct cmd_ds_802_11_subscribe_event) + S_DS_GEN);
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
event = (struct cmd_ds_802_11_subscribe_event *)(response_buf + S_DS_GEN);
while (cmd_len < pcmdptr->size) {
struct mrvlietypesheader *header = (struct mrvlietypesheader *)(response_buf + cmd_len);
switch(header->type) {
struct mrvlietypes_snrthreshold *HighSnr;
case TLV_TYPE_SNR_HIGH:
HighSnr = (struct mrvlietypes_snrthreshold *)(response_buf + cmd_len);
pos += snprintf(buf+pos, len-pos, "%d %d %d\n",
HighSnr->snrvalue,
HighSnr->snrfreq,
(event->events & 0x0020)?1:0);
default:
cmd_len += sizeof(struct mrvlietypes_snrthreshold);
break;
}
}
kfree(response_buf);
res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return res;
}
static ssize_t libertas_highsnr_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
ssize_t res, buf_size;
int value, freq, subscribed, cmd_len;
struct cmd_ctrl_node *pcmdnode;
struct cmd_ds_command *pcmdptr;
struct cmd_ds_802_11_subscribe_event *event;
struct mrvlietypes_snrthreshold *snr_threshold;
void *response_buf;
u16 event_bitmap;
u8 *ptr;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%d %d %d", &value, &freq, &subscribed);
if (res != 3) {
res = -EFAULT;
goto out_unlock;
}
event_bitmap = libertas_get_events_bitmap(priv);
res = libertas_event_initcmd(priv, &response_buf, &pcmdnode, &pcmdptr);
if (res < 0)
goto out_unlock;
event = &pcmdptr->params.subscribe_event;
event->action = cmd_act_set;
pcmdptr->size = cpu_to_le16(S_DS_GEN +
sizeof(struct cmd_ds_802_11_subscribe_event) +
sizeof(struct mrvlietypes_snrthreshold));
cmd_len = S_DS_GEN + sizeof(struct cmd_ds_802_11_subscribe_event);
ptr = (u8*) pcmdptr+cmd_len;
snr_threshold = (struct mrvlietypes_snrthreshold *)(ptr);
snr_threshold->header.type = cpu_to_le16(TLV_TYPE_SNR_HIGH);
snr_threshold->header.len = 2;
snr_threshold->snrvalue = cpu_to_le16(value);
snr_threshold->snrfreq = cpu_to_le16(freq);
event_bitmap |= subscribed ? 0x0020 : 0x0;
event->events = event_bitmap;
libertas_queue_cmd(adapter, pcmdnode, 1);
wake_up_interruptible(&priv->mainthread.waitq);
/* Sleep until response is generated by FW */
wait_event_interruptible(pcmdnode->cmdwait_q,
pcmdnode->cmdwaitqwoken);
pcmdptr = response_buf;
if (pcmdptr->result) {
lbs_pr_err("%s: fail, result=%d\n", __FUNCTION__,
pcmdptr->result);
kfree(response_buf);
free_page(addr);
return 0;
}
if (pcmdptr->command != cmd_ret_802_11_subscribe_event) {
lbs_pr_err("command response incorrect!\n");
kfree(response_buf);
free_page(addr);
return 0;
}
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_rdmac_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct wlan_offset_value offval;
ssize_t pos = 0;
int ret;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
offval.offset = priv->mac_offset;
offval.value = 0;
ret = libertas_prepare_and_send_command(priv,
cmd_mac_reg_access, 0,
cmd_option_waitforrsp, 0, &offval);
mdelay(10);
pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
priv->mac_offset, adapter->offsetvalue.value);
ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return ret;
}
static ssize_t libertas_rdmac_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
priv->mac_offset = simple_strtoul((char *)buf, NULL, 16);
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_wrmac_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
u32 offset, value;
struct wlan_offset_value offval;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%x %x", &offset, &value);
if (res != 2) {
res = -EFAULT;
goto out_unlock;
}
offval.offset = offset;
offval.value = value;
res = libertas_prepare_and_send_command(priv,
cmd_mac_reg_access, 1,
cmd_option_waitforrsp, 0, &offval);
mdelay(10);
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_rdbbp_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct wlan_offset_value offval;
ssize_t pos = 0;
int ret;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
offval.offset = priv->bbp_offset;
offval.value = 0;
ret = libertas_prepare_and_send_command(priv,
cmd_bbp_reg_access, 0,
cmd_option_waitforrsp, 0, &offval);
mdelay(10);
pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
priv->bbp_offset, adapter->offsetvalue.value);
ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return ret;
}
static ssize_t libertas_rdbbp_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
priv->bbp_offset = simple_strtoul((char *)buf, NULL, 16);
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_wrbbp_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
u32 offset, value;
struct wlan_offset_value offval;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%x %x", &offset, &value);
if (res != 2) {
res = -EFAULT;
goto out_unlock;
}
offval.offset = offset;
offval.value = value;
res = libertas_prepare_and_send_command(priv,
cmd_bbp_reg_access, 1,
cmd_option_waitforrsp, 0, &offval);
mdelay(10);
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_rdrf_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
wlan_adapter *adapter = priv->adapter;
struct wlan_offset_value offval;
ssize_t pos = 0;
int ret;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
offval.offset = priv->rf_offset;
offval.value = 0;
ret = libertas_prepare_and_send_command(priv,
cmd_rf_reg_access, 0,
cmd_option_waitforrsp, 0, &offval);
mdelay(10);
pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
priv->rf_offset, adapter->offsetvalue.value);
ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
free_page(addr);
return ret;
}
static ssize_t libertas_rdrf_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
priv->rf_offset = simple_strtoul((char *)buf, NULL, 16);
res = count;
out_unlock:
free_page(addr);
return res;
}
static ssize_t libertas_wrrf_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
u32 offset, value;
struct wlan_offset_value offval;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
buf_size = min(count, len - 1);
if (copy_from_user(buf, userbuf, buf_size)) {
res = -EFAULT;
goto out_unlock;
}
res = sscanf(buf, "%x %x", &offset, &value);
if (res != 2) {
res = -EFAULT;
goto out_unlock;
}
offval.offset = offset;
offval.value = value;
res = libertas_prepare_and_send_command(priv,
cmd_rf_reg_access, 1,
cmd_option_waitforrsp, 0, &offval);
mdelay(10);
res = count;
out_unlock:
free_page(addr);
return res;
}
#define FOPS(fread, fwrite) { \
.owner = THIS_MODULE, \
.open = open_file_generic, \
.read = (fread), \
.write = (fwrite), \
}
struct libertas_debugfs_files {
char *name;
int perm;
struct file_operations fops;
};
struct libertas_debugfs_files debugfs_files[] = {
{ "info", 0444, FOPS(libertas_dev_info, write_file_dummy), },
{ "getscantable", 0444, FOPS(libertas_getscantable,
write_file_dummy), },
{ "sleepparams", 0644, FOPS(libertas_sleepparams_read,
libertas_sleepparams_write), },
{ "extscan", 0600, FOPS(NULL, libertas_extscan), },
{ "setuserscan", 0600, FOPS(NULL, libertas_setuserscan), },
};
struct libertas_debugfs_files debugfs_events_files[] = {
{"low_rssi", 0644, FOPS(libertas_lowrssi_read,
libertas_lowrssi_write), },
{"low_snr", 0644, FOPS(libertas_lowsnr_read,
libertas_lowsnr_write), },
{"failure_count", 0644, FOPS(libertas_failcount_read,
libertas_failcount_write), },
{"beacon_missed", 0644, FOPS(libertas_bcnmiss_read,
libertas_bcnmiss_write), },
{"high_rssi", 0644, FOPS(libertas_highrssi_read,
libertas_highrssi_write), },
{"high_snr", 0644, FOPS(libertas_highsnr_read,
libertas_highsnr_write), },
};
struct libertas_debugfs_files debugfs_regs_files[] = {
{"rdmac", 0644, FOPS(libertas_rdmac_read, libertas_rdmac_write), },
{"wrmac", 0600, FOPS(NULL, libertas_wrmac_write), },
{"rdbbp", 0644, FOPS(libertas_rdbbp_read, libertas_rdbbp_write), },
{"wrbbp", 0600, FOPS(NULL, libertas_wrbbp_write), },
{"rdrf", 0644, FOPS(libertas_rdrf_read, libertas_rdrf_write), },
{"wrrf", 0600, FOPS(NULL, libertas_wrrf_write), },
};
void libertas_debugfs_init(void)
{
if (!libertas_dir)
libertas_dir = debugfs_create_dir("libertas_wireless", NULL);
return;
}
void libertas_debugfs_remove(void)
{
if (libertas_dir)
debugfs_remove(libertas_dir);
return;
}
void libertas_debugfs_init_one(wlan_private *priv, struct net_device *dev)
{
int i;
struct libertas_debugfs_files *files;
if (!libertas_dir)
goto exit;
priv->debugfs_dir = debugfs_create_dir(dev->name, libertas_dir);
if (!priv->debugfs_dir)
goto exit;
for (i=0; i<ARRAY_SIZE(debugfs_files); i++) {
files = &debugfs_files[i];
priv->debugfs_files[i] = debugfs_create_file(files->name,
files->perm,
priv->debugfs_dir,
priv,
&files->fops);
}
priv->events_dir = debugfs_create_dir("subscribed_events", priv->debugfs_dir);
if (!priv->events_dir)
goto exit;
for (i=0; i<ARRAY_SIZE(debugfs_events_files); i++) {
files = &debugfs_events_files[i];
priv->debugfs_events_files[i] = debugfs_create_file(files->name,
files->perm,
priv->events_dir,
priv,
&files->fops);
}
priv->regs_dir = debugfs_create_dir("registers", priv->debugfs_dir);
if (!priv->regs_dir)
goto exit;
for (i=0; i<ARRAY_SIZE(debugfs_regs_files); i++) {
files = &debugfs_regs_files[i];
priv->debugfs_regs_files[i] = debugfs_create_file(files->name,
files->perm,
priv->regs_dir,
priv,
&files->fops);
}
#ifdef PROC_DEBUG
libertas_debug_init(priv, dev);
#endif
exit:
return;
}
void libertas_debugfs_remove_one(wlan_private *priv)
{
int i;
for(i=0; i<ARRAY_SIZE(debugfs_regs_files); i++)
debugfs_remove(priv->debugfs_regs_files[i]);
debugfs_remove(priv->regs_dir);
for(i=0; i<ARRAY_SIZE(debugfs_files); i++)
debugfs_remove(priv->debugfs_events_files[i]);
debugfs_remove(priv->events_dir);
#ifdef PROC_DEBUG
debugfs_remove(priv->debugfs_debug);
#endif
for(i=0; i<ARRAY_SIZE(debugfs_files); i++)
debugfs_remove(priv->debugfs_files[i]);
}
/* debug entry */
#define item_size(n) (FIELD_SIZEOF(wlan_adapter, n))
#define item_addr(n) (offsetof(wlan_adapter, n))
struct debug_data {
char name[32];
u32 size;
u32 addr;
};
/* To debug any member of wlan_adapter, simply add one line here.
*/
static struct debug_data items[] = {
{"intcounter", item_size(intcounter), item_addr(intcounter)},
{"psmode", item_size(psmode), item_addr(psmode)},
{"psstate", item_size(psstate), item_addr(psstate)},
};
static int num_of_items = ARRAY_SIZE(items);
/**
* @brief proc read function
*
* @param page pointer to buffer
* @param s read data starting position
* @param off offset
* @param cnt counter
* @param eof end of file flag
* @param data data to output
* @return number of output data
*/
static ssize_t wlan_debugfs_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
int val = 0;
size_t pos = 0;
ssize_t res;
char *p;
int i;
struct debug_data *d;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
p = buf;
d = (struct debug_data *)file->private_data;
for (i = 0; i < num_of_items; i++) {
if (d[i].size == 1)
val = *((u8 *) d[i].addr);
else if (d[i].size == 2)
val = *((u16 *) d[i].addr);
else if (d[i].size == 4)
val = *((u32 *) d[i].addr);
pos += sprintf(p + pos, "%s=%d\n", d[i].name, val);
}
res = simple_read_from_buffer(userbuf, count, ppos, p, pos);
free_page(addr);
return res;
}
/**
* @brief proc write function
*
* @param f file pointer
* @param buf pointer to data buffer
* @param cnt data number to write
* @param data data to write
* @return number of data
*/
static int wlan_debugfs_write(struct file *f, const char __user *buf,
size_t cnt, loff_t *ppos)
{
int r, i;
char *pdata;
char *p;
char *p0;
char *p1;
char *p2;
struct debug_data *d = (struct debug_data *)f->private_data;
pdata = (char *)kmalloc(cnt, GFP_KERNEL);
if (pdata == NULL)
return 0;
if (copy_from_user(pdata, buf, cnt)) {
lbs_pr_debug(1, "Copy from user failed\n");
kfree(pdata);
return 0;
}
p0 = pdata;
for (i = 0; i < num_of_items; i++) {
do {
p = strstr(p0, d[i].name);
if (p == NULL)
break;
p1 = strchr(p, '\n');
if (p1 == NULL)
break;
p0 = p1++;
p2 = strchr(p, '=');
if (!p2)
break;
p2++;
r = simple_strtoul(p2, NULL, 0);
if (d[i].size == 1)
*((u8 *) d[i].addr) = (u8) r;
else if (d[i].size == 2)
*((u16 *) d[i].addr) = (u16) r;
else if (d[i].size == 4)
*((u32 *) d[i].addr) = (u32) r;
break;
} while (1);
}
kfree(pdata);
return cnt;
}
static struct file_operations libertas_debug_fops = {
.owner = THIS_MODULE,
.open = open_file_generic,
.write = wlan_debugfs_write,
.read = wlan_debugfs_read,
};
/**
* @brief create debug proc file
*
* @param priv pointer wlan_private
* @param dev pointer net_device
* @return N/A
*/
void libertas_debug_init(wlan_private * priv, struct net_device *dev)
{
int i;
if (!priv->debugfs_dir)
return;
for (i = 0; i < num_of_items; i++)
items[i].addr += (u32) priv->adapter;
priv->debugfs_debug = debugfs_create_file("debug", 0644,
priv->debugfs_dir, &items[0],
&libertas_debug_fops);
}
/**
* @brief remove proc file
*
* @param priv pointer wlan_private
* @return N/A
*/
void libertas_debug_remove(wlan_private * priv)
{
debugfs_remove(priv->debugfs_debug);
}