xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ath6kl: Add debugfs files for roaming control

Browse Source 
Roaming mode can be changed by writing roam mode (default, bssbias, or
lock) to roam_mode. Forced roam can be requested by writing the BSSID
into force_roam.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen
2011-10-11 17:31:55 +03:00
committed by Kalle Valo
parent 4b28a80dd6
commit 1261875f7a
3 changed files with 139 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
drivers/net/wireless/ath/ath6kl/debug.c
View File

@@ -1071,6 +1071,84 @@ static const struct file_operations fops_roam_table = {
.llseek = default_llseek,
};
static ssize_t ath6kl_force_roam_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
char buf[20];
size_t len;
u8 bssid[ETH_ALEN];
int i;
int addr[ETH_ALEN];
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (sscanf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
&addr[0], &addr[1], &addr[2], &addr[3], &addr[4], &addr[5])
!= ETH_ALEN)
return -EINVAL;
for (i = 0; i < ETH_ALEN; i++)
bssid[i] = addr[i];
ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_force_roam = {
.write = ath6kl_force_roam_write,
.open = ath6kl_debugfs_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_roam_mode_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
char buf[20];
size_t len;
enum wmi_roam_mode mode;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (len > 0 && buf[len - 1] == '\n')
buf[len - 1] = '\0';
if (strcasecmp(buf, "default") == 0)
mode = WMI_DEFAULT_ROAM_MODE;
else if (strcasecmp(buf, "bssbias") == 0)
mode = WMI_HOST_BIAS_ROAM_MODE;
else if (strcasecmp(buf, "lock") == 0)
mode = WMI_LOCK_BSS_MODE;
else
return -EINVAL;
ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_roam_mode = {
.write = ath6kl_roam_mode_write,
.open = ath6kl_debugfs_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath6kl_debug_init(struct ath6kl *ar)
{
ar->debug.fwlog_buf.buf = vmalloc(ATH6KL_FWLOG_SIZE);
@@ -1132,6 +1210,12 @@ int ath6kl_debug_init(struct ath6kl *ar)
debugfs_create_file("roam_table", S_IRUSR, ar->debugfs_phy, ar,
&fops_roam_table);
debugfs_create_file("force_roam", S_IWUSR, ar->debugfs_phy, ar,
&fops_force_roam);
debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar,
&fops_roam_mode);
return 0;
}