/**
* @brief send deauth to all station
*
* @param A pointer to moal_private
* @param mac A pointer to station mac address
*
* @return 0 -- success, otherwise fail
*/
static int
woal_deauth_all_station(moal_private *priv)
{
int ret = -EFAULT;
int i = 0;
mlan_ds_get_info *info = NULL;
mlan_ioctl_req *ioctl_req = NULL;
mlan_status status = MLAN_STATUS_SUCCESS;
ENTER();
if (priv->media_connected == MFALSE) {
PRINTM(MINFO, "cfg80211: Media not connected!\n");
LEAVE();
return 0;
}
PRINTM(MIOCTL, "del all station\n");
/* Allocate an IOCTL request buffer */
ioctl_req =
(mlan_ioctl_req *)
woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_get_info));
if (ioctl_req == NULL) {
ret = -ENOMEM;
goto done;
}
info = (mlan_ds_get_info *)ioctl_req->pbuf;
info->sub_command = MLAN_OID_UAP_STA_LIST;
ioctl_req->req_id = MLAN_IOCTL_GET_INFO;
ioctl_req->action = MLAN_ACT_GET;
status = woal_request_ioctl(priv, ioctl_req, MOAL_IOCTL_WAIT);
if (status != MLAN_STATUS_SUCCESS)
goto done;
if (!info->param.sta_list.sta_count)
goto done;
for (i = 0; i < info->param.sta_list.sta_count; i++) {
PRINTM(MIOCTL, "deauth station " MACSTR "\n",
MAC2STR(info->param.sta_list.info[i].mac_address));
ret = woal_deauth_station(priv,
info->param.sta_list.info[i].
mac_address);
}
woal_sched_timeout(200);
done:
if (status != MLAN_STATUS_PENDING)
kfree(ioctl_req);
return ret;
}
/** @brief This function handles client driver suspend
*
* @param dev A pointer to device structure
* @return MLAN_STATUS_SUCCESS or error code
*/
int
woal_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
mmc_pm_flag_t pm_flags = 0;
moal_handle *handle = NULL;
struct sdio_mmc_card *cardp;
int i, retry_num = 8;
int ret = MLAN_STATUS_SUCCESS;
int hs_actived = 0;
mlan_ds_ps_info pm_info;
ENTER();
PRINTM(MCMND, "<--- Enter woal_sdio_suspend --->\n");
pm_flags = sdio_get_host_pm_caps(func);
PRINTM(MCMND, "%s: suspend: PM flags = 0x%x\n", sdio_func_id(func),
pm_flags);
if (!(pm_flags & MMC_PM_KEEP_POWER)) {
PRINTM(MERROR,
"%s: cannot remain alive while host is suspended\n",
sdio_func_id(func));
LEAVE();
return -ENOSYS;
}
cardp = sdio_get_drvdata(func);
if (!cardp || !cardp->handle) {
PRINTM(MERROR, "Card or moal_handle structure is not valid\n");
LEAVE();
return MLAN_STATUS_SUCCESS;
}
handle = cardp->handle;
if (handle->is_suspended == MTRUE) {
PRINTM(MWARN, "Device already suspended\n");
LEAVE();
return MLAN_STATUS_SUCCESS;
}
if (handle->fw_dump) {
PRINTM(MMSG, "suspend not allowed while FW dump!");
ret = -EBUSY;
goto done;
}
handle->suspend_fail = MFALSE;
memset(&pm_info, 0, sizeof(pm_info));
for (i = 0; i < retry_num; i++) {
if (MLAN_STATUS_SUCCESS ==
woal_get_pm_info(woal_get_priv(handle, MLAN_BSS_ROLE_ANY),
&pm_info)) {
if (pm_info.is_suspend_allowed == MTRUE)
break;
else
PRINTM(MMSG,
"Suspend not allowed and retry again\n");
}
woal_sched_timeout(100);
}
if (pm_info.is_suspend_allowed == MFALSE) {
PRINTM(MMSG, "Suspend not allowed\n");
ret = -EBUSY;
goto done;
}
for (i = 0; i < handle->priv_num; i++)
netif_device_detach(handle->priv[i]->netdev);
if (pm_keep_power) {
/* Enable the Host Sleep */
#ifdef MMC_PM_FUNC_SUSPENDED
handle->suspend_notify_req = MTRUE;
#endif
hs_actived =
woal_enable_hs(woal_get_priv
(handle, MLAN_BSS_ROLE_ANY));
#ifdef MMC_PM_FUNC_SUSPENDED
handle->suspend_notify_req = MFALSE;
#endif
if (hs_actived) {
#ifdef MMC_PM_SKIP_RESUME_PROBE
PRINTM(MCMND,
"suspend with MMC_PM_KEEP_POWER and MMC_PM_SKIP_RESUME_PROBE\n");
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER |
MMC_PM_SKIP_RESUME_PROBE);
#else
PRINTM(MCMND, "suspend with MMC_PM_KEEP_POWER\n");
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
#endif
} else {
PRINTM(MMSG, "HS not actived, suspend fail!");
handle->suspend_fail = MTRUE;
for (i = 0; i < handle->priv_num; i++)
netif_device_attach(handle->priv[i]->netdev);
ret = -EBUSY;
goto done;
}
}
/* Indicate device suspended */
handle->is_suspended = MTRUE;
done:
PRINTM(MCMND, "<--- Leave woal_sdio_suspend --->\n");
LEAVE();
return ret;
}