static ssize_t wcnss_wowenable_write(struct file *file,
const char __user *buf, size_t count, loff_t *ppos)
{
hdd_adapter_t *pAdapter = (hdd_adapter_t *)file->private_data;
char cmd[MAX_USER_COMMAND_SIZE_WOWL_ENABLE + 1];
char *sptr, *token;
v_U8_t wow_enable = 0;
v_U8_t wow_mp = 0;
v_U8_t wow_pbm = 0;
if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
"%s: Invalid adapter or adapter has invalid magic.",
__func__);
return -EINVAL;
}
if (!sme_IsFeatureSupportedByFW(WOW))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: Wake-on-Wireless feature is not supported "
"in firmware!", __func__);
return -EINVAL;
}
if (count > MAX_USER_COMMAND_SIZE_WOWL_ENABLE)
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: Command length is larger than %d bytes.",
__func__, MAX_USER_COMMAND_SIZE_WOWL_ENABLE);
return -EINVAL;
}
if (copy_from_user(cmd, buf, count))
return -EFAULT;
cmd[count] = '\0';
sptr = cmd;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &wow_enable))
return -EINVAL;
if (!wow_enable) {
if (!hdd_exit_wowl(pAdapter))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: hdd_exit_wowl failed!", __func__);
return -EFAULT;
}
return count;
}
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &wow_mp))
return -EINVAL;
if (wow_mp > 1)
wow_mp = 1;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &wow_pbm))
return -EINVAL;
if (wow_pbm > 1)
wow_pbm = 1;
if (!hdd_enter_wowl(pAdapter, wow_mp, wow_pbm))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: hdd_enter_wowl failed!", __func__);
return -EFAULT;
}
return count;
}
/**
* __wcnss_wowenable_write() - write wow enable
* @file: file pointer
* @buf: buffer
* @count: count
* @ppos: position pointer
*
* Return: 0 on success, error number otherwise
*/
static ssize_t __wcnss_wowenable_write(struct file *file,
const char __user *buf, size_t count, loff_t *ppos)
{
hdd_adapter_t *pAdapter;
hdd_context_t *hdd_ctx;
char cmd[MAX_USER_COMMAND_SIZE_WOWL_ENABLE + 1];
char *sptr, *token;
v_U8_t wow_enable = 0;
v_U8_t wow_mp = 0;
v_U8_t wow_pbm = 0;
int ret;
ENTER();
pAdapter = (hdd_adapter_t *)file->private_data;
if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
"%s: Invalid adapter or adapter has invalid magic.",
__func__);
return -EINVAL;
}
hdd_ctx = WLAN_HDD_GET_CTX(pAdapter);
ret = wlan_hdd_validate_context(hdd_ctx);
if (0 != ret)
return ret;
if (!sme_IsFeatureSupportedByFW(WOW))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: Wake-on-Wireless feature is not supported "
"in firmware!", __func__);
return -EINVAL;
}
if (count > MAX_USER_COMMAND_SIZE_WOWL_ENABLE)
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: Command length is larger than %d bytes.",
__func__, MAX_USER_COMMAND_SIZE_WOWL_ENABLE);
return -EINVAL;
}
/* Get command from user */
if (copy_from_user(cmd, buf, count))
return -EFAULT;
cmd[count] = '\0';
sptr = cmd;
/* Get enable or disable wow */
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &wow_enable))
return -EINVAL;
/* Disable wow */
if (!wow_enable) {
if (!hdd_exit_wowl(pAdapter))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: hdd_exit_wowl failed!", __func__);
return -EFAULT;
}
return count;
}
/* Get enable or disable magic packet mode */
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &wow_mp))
return -EINVAL;
if (wow_mp > 1)
wow_mp = 1;
/* Get enable or disable pattern byte matching mode */
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &wow_pbm))
return -EINVAL;
if (wow_pbm > 1)
wow_pbm = 1;
if (!hdd_enter_wowl(pAdapter, wow_mp, wow_pbm))
{
VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
"%s: hdd_enter_wowl failed!", __func__);
return -EFAULT;
}
EXIT();
return count;
}
