ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
}
+/*
+ * create a new virtual interface with the given name
+ */
+struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
+ char *name,
+ enum nl80211_iftype type,
+ u32 *flags,
+ struct vif_params *params)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+ struct mwifiex_adapter *adapter;
+ struct net_device *dev;
+ void *mdev_priv;
+
+ if (!priv)
+ return NULL;
+
+ adapter = priv->adapter;
+ if (!adapter)
+ return NULL;
+
+ switch (type) {
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ if (priv->bss_mode) {
+ wiphy_err(wiphy, "cannot create multiple"
+ " station/adhoc interfaces\n");
+ return NULL;
+ }
+
+ if (type == NL80211_IFTYPE_UNSPECIFIED)
+ priv->bss_mode = NL80211_IFTYPE_STATION;
+ else
+ priv->bss_mode = type;
+
+ priv->bss_type = MWIFIEX_BSS_TYPE_STA;
+ priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
+ priv->bss_priority = 0;
+ priv->bss_role = MWIFIEX_BSS_ROLE_STA;
+ priv->bss_index = 0;
+ priv->bss_num = 0;
+
+ break;
+ default:
+ wiphy_err(wiphy, "type not supported\n");
+ return NULL;
+ }
+
+ dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
+ ether_setup, 1);
+ if (!dev) {
+ wiphy_err(wiphy, "no memory available for netdevice\n");
+ goto error;
+ }
+
+ dev_net_set(dev, wiphy_net(wiphy));
+ dev->ieee80211_ptr = priv->wdev;
+ dev->ieee80211_ptr->iftype = priv->bss_mode;
+ memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
+ memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
+ SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
+
+ dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+ dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
+ dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
+
+ mdev_priv = netdev_priv(dev);
+ *((unsigned long *) mdev_priv) = (unsigned long) priv;
+
+ priv->netdev = dev;
+ mwifiex_init_priv_params(priv, dev);
+
+ SET_NETDEV_DEV(dev, adapter->dev);
+
+ /* Register network device */
+ if (register_netdevice(dev)) {
+ wiphy_err(wiphy, "cannot register virtual network device\n");
+ goto error;
+ }
+
+ sema_init(&priv->async_sem, 1);
+ priv->scan_pending_on_block = false;
+
+ dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
+
+#ifdef CONFIG_DEBUG_FS
+ mwifiex_dev_debugfs_init(priv);
+#endif
+ return dev;
+error:
+ if (dev && (dev->reg_state == NETREG_UNREGISTERED))
+ free_netdev(dev);
+ priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
+
+/*
+ * del_virtual_intf: remove the virtual interface determined by dev
+ */
+int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ if (!priv || !dev)
+ return 0;
+
+#ifdef CONFIG_DEBUG_FS
+ mwifiex_dev_debugfs_remove(priv);
+#endif
+
+ if (!netif_queue_stopped(priv->netdev))
+ netif_stop_queue(priv->netdev);
+
+ if (netif_carrier_ok(priv->netdev))
+ netif_carrier_off(priv->netdev);
+
+ if (dev->reg_state == NETREG_REGISTERED)
+ unregister_netdevice(dev);
+
+ if (dev->reg_state == NETREG_UNREGISTERED)
+ free_netdev(dev);
+
+ /* Clear the priv in adapter */
+ priv->netdev = NULL;
+
+ priv->media_connected = false;
+
+ cancel_work_sync(&priv->cfg_workqueue);
+ flush_workqueue(priv->workqueue);
+ destroy_workqueue(priv->workqueue);
+
+ priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
+
/* station cfg80211 operations */
static struct cfg80211_ops mwifiex_cfg80211_ops = {
+ .add_virtual_intf = mwifiex_add_virtual_intf,
+ .del_virtual_intf = mwifiex_del_virtual_intf,
.change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
.scan = mwifiex_cfg80211_scan,
.connect = mwifiex_cfg80211_connect,
* default parameters and handler function pointers, and finally
* registers the device.
*/
-int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac,
- struct mwifiex_private *priv)
+int mwifiex_register_cfg80211(struct mwifiex_private *priv)
{
int ret;
void *wdev_priv;
wdev->wiphy->cipher_suites = mwifiex_cipher_suites;
wdev->wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
- memcpy(wdev->wiphy->perm_addr, mac, 6);
+ memcpy(wdev->wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
/* We are using custom domains */
"info: successfully registered wiphy device\n");
}
- dev_net_set(dev, wiphy_net(wdev->wiphy));
- dev->ieee80211_ptr = wdev;
- memcpy(dev->dev_addr, wdev->wiphy->perm_addr, 6);
- memcpy(dev->perm_addr, wdev->wiphy->perm_addr, 6);
- SET_NETDEV_DEV(dev, wiphy_dev(wdev->wiphy));
priv->wdev = wdev;
- dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
- dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
- dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
-
return ret;
}
const char driver_version[] = "mwifiex " VERSION " (%s) ";
-static struct mwifiex_bss_attr mwifiex_bss_sta[] = {
- {MWIFIEX_BSS_TYPE_STA, MWIFIEX_DATA_FRAME_TYPE_ETH_II, true, 0, 0},
-};
-
-static int drv_mode = DRV_MODE_STA;
-
-/* Supported drv_mode table */
-static struct mwifiex_drv_mode mwifiex_drv_mode_tbl[] = {
- {
- .drv_mode = DRV_MODE_STA,
- .intf_num = ARRAY_SIZE(mwifiex_bss_sta),
- .bss_attr = mwifiex_bss_sta,
- },
-};
-
/*
* This function registers the device and performs all the necessary
* initializations.
* proper cleanup before exiting.
*/
static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops,
- struct mwifiex_drv_mode *drv_mode_ptr,
void **padapter)
{
struct mwifiex_adapter *adapter;
goto error;
adapter->priv_num = 0;
- for (i = 0; i < drv_mode_ptr->intf_num; i++) {
- adapter->priv[i] = NULL;
-
- if (!drv_mode_ptr->bss_attr[i].active)
- continue;
-
- /* Allocate memory for private structure */
- adapter->priv[i] = kzalloc(sizeof(struct mwifiex_private),
- GFP_KERNEL);
- if (!adapter->priv[i]) {
- dev_err(adapter->dev, "%s: failed to alloc priv[%d]\n",
- __func__, i);
- goto error;
- }
- adapter->priv_num++;
- adapter->priv[i]->adapter = adapter;
- /* Save bss_type, frame_type & bss_priority */
- adapter->priv[i]->bss_type = drv_mode_ptr->bss_attr[i].bss_type;
- adapter->priv[i]->frame_type =
- drv_mode_ptr->bss_attr[i].frame_type;
- adapter->priv[i]->bss_priority =
- drv_mode_ptr->bss_attr[i].bss_priority;
-
- if (drv_mode_ptr->bss_attr[i].bss_type == MWIFIEX_BSS_TYPE_STA)
- adapter->priv[i]->bss_role = MWIFIEX_BSS_ROLE_STA;
- else if (drv_mode_ptr->bss_attr[i].bss_type ==
- MWIFIEX_BSS_TYPE_UAP)
- adapter->priv[i]->bss_role = MWIFIEX_BSS_ROLE_UAP;
-
- /* Save bss_index & bss_num */
- adapter->priv[i]->bss_index = i;
- adapter->priv[i]->bss_num = drv_mode_ptr->bss_attr[i].bss_num;
+ /* Allocate memory for private structure */
+ adapter->priv[0] = kzalloc(sizeof(struct mwifiex_private),
+ GFP_KERNEL);
+ if (!adapter->priv[0]) {
+ dev_err(adapter->dev, "%s: failed to alloc priv[0]\n",
+ __func__);
+ goto error;
}
- adapter->drv_mode = drv_mode_ptr;
+ adapter->priv_num++;
+
+ adapter->priv[0]->adapter = adapter;
if (mwifiex_init_lock_list(adapter))
goto error;
dev_dbg(adapter->dev, "info: leave mwifiex_register with error\n");
mwifiex_free_lock_list(adapter);
- for (i = 0; i < drv_mode_ptr->intf_num; i++)
+
+ for (i = 0; i < adapter->priv_num; i++)
kfree(adapter->priv[i]);
+
kfree(adapter);
return -1;
return ret;
}
-/*
- * This function initializes the software.
- *
- * The main work includes allocating and initializing the adapter structure
- * and initializing the private structures.
- */
-static int
-mwifiex_init_sw(void *card, struct mwifiex_if_ops *if_ops, void **padapter)
-{
- int i;
- struct mwifiex_drv_mode *drv_mode_ptr;
-
- /* find mwifiex_drv_mode entry from mwifiex_drv_mode_tbl */
- drv_mode_ptr = NULL;
- for (i = 0; i < ARRAY_SIZE(mwifiex_drv_mode_tbl); i++) {
- if (mwifiex_drv_mode_tbl[i].drv_mode == drv_mode) {
- drv_mode_ptr = &mwifiex_drv_mode_tbl[i];
- break;
- }
- }
-
- if (!drv_mode_ptr) {
- pr_err("invalid drv_mode=%d\n", drv_mode);
- return -1;
- }
-
- if (mwifiex_register(card, if_ops, drv_mode_ptr, padapter))
- return -1;
-
- return 0;
-}
-
/*
* This function frees the adapter structure.
*
*
* In addition, the CFG80211 work queue is also created.
*/
-static void
-mwifiex_init_priv_params(struct mwifiex_private *priv, struct net_device *dev)
+void mwifiex_init_priv_params(struct mwifiex_private *priv,
+ struct net_device *dev)
{
dev->netdev_ops = &mwifiex_netdev_ops;
/* Initialize private structure */
memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN);
}
-/*
- * This function adds a new logical interface.
- *
- * It allocates, initializes and registers the interface by performing
- * the following opearations -
- * - Allocate a new net device structure
- * - Assign device name
- * - Register the new device with CFG80211 subsystem
- * - Initialize semaphore and private structure
- * - Register the new device with kernel
- * - Create the complete debug FS structure if configured
- */
-static struct mwifiex_private *mwifiex_add_interface(
- struct mwifiex_adapter *adapter,
- u8 bss_index, u8 bss_type)
-{
- struct net_device *dev;
- struct mwifiex_private *priv;
- void *mdev_priv;
-
- dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), "mlan%d",
- ether_setup, 1);
- if (!dev) {
- dev_err(adapter->dev, "no memory available for netdevice\n");
- goto error;
- }
-
- if (mwifiex_register_cfg80211(dev, adapter->priv[bss_index]->curr_addr,
- adapter->priv[bss_index]) != 0) {
- dev_err(adapter->dev, "cannot register netdevice with cfg80211\n");
- goto error;
- }
- /* Save the priv pointer in netdev */
- priv = adapter->priv[bss_index];
- mdev_priv = netdev_priv(dev);
- *((unsigned long *) mdev_priv) = (unsigned long) priv;
-
- priv->netdev = dev;
-
- sema_init(&priv->async_sem, 1);
- priv->scan_pending_on_block = false;
-
- mwifiex_init_priv_params(priv, dev);
-
- SET_NETDEV_DEV(dev, adapter->dev);
-
- /* Register network device */
- if (register_netdev(dev)) {
- dev_err(adapter->dev, "cannot register virtual network device\n");
- goto error;
- }
-
- dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
-#ifdef CONFIG_DEBUG_FS
- mwifiex_dev_debugfs_init(priv);
-#endif
- return priv;
-error:
- if (dev)
- free_netdev(dev);
- return NULL;
-}
-
-/*
- * This function removes a logical interface.
- *
- * It deregisters, resets and frees the interface by performing
- * the following operations -
- * - Disconnect the device if connected, send wireless event to
- * notify applications.
- * - Remove the debug FS structure if configured
- * - Unregister the device from kernel
- * - Free the net device structure
- * - Cancel all works and destroy work queue
- * - Unregister and free the wireless device from CFG80211 subsystem
- */
-static void
-mwifiex_remove_interface(struct mwifiex_adapter *adapter, u8 bss_index)
-{
- struct net_device *dev;
- struct mwifiex_private *priv = adapter->priv[bss_index];
-
- if (!priv)
- return;
- dev = priv->netdev;
-
- if (priv->media_connected)
- priv->media_connected = false;
-
-#ifdef CONFIG_DEBUG_FS
- mwifiex_dev_debugfs_remove(priv);
-#endif
- /* Last reference is our one */
- dev_dbg(adapter->dev, "info: %s: refcnt = %d\n",
- dev->name, netdev_refcnt_read(dev));
-
- if (dev->reg_state == NETREG_REGISTERED)
- unregister_netdev(dev);
-
- /* Clear the priv in adapter */
- priv->netdev = NULL;
- if (dev)
- free_netdev(dev);
-
- cancel_work_sync(&priv->cfg_workqueue);
- flush_workqueue(priv->workqueue);
- destroy_workqueue(priv->workqueue);
- wiphy_unregister(priv->wdev->wiphy);
- wiphy_free(priv->wdev->wiphy);
- kfree(priv->wdev);
-}
-
/*
* This function check if command is pending.
*/
mwifiex_add_card(void *card, struct semaphore *sem,
struct mwifiex_if_ops *if_ops)
{
- int i;
struct mwifiex_adapter *adapter;
char fmt[64];
+ struct mwifiex_private *priv;
if (down_interruptible(sem))
goto exit_sem_err;
- if (mwifiex_init_sw(card, if_ops, (void **)&adapter)) {
+ if (mwifiex_register(card, if_ops, (void **)&adapter)) {
pr_err("%s: software init failed\n", __func__);
goto err_init_sw;
}
goto err_init_fw;
}
- /* Add interfaces */
- for (i = 0; i < adapter->drv_mode->intf_num; i++) {
- if (!mwifiex_add_interface(adapter, i,
- adapter->drv_mode->bss_attr[i].bss_type)) {
- goto err_add_intf;
- }
+ priv = adapter->priv[0];
+
+ if (mwifiex_register_cfg80211(priv) != 0) {
+ dev_err(adapter->dev, "cannot register netdevice"
+ " with cfg80211\n");
+ goto err_init_fw;
+ }
+
+ rtnl_lock();
+ /* Create station interface by default */
+ if (!mwifiex_add_virtual_intf(priv->wdev->wiphy, "mlan%d",
+ NL80211_IFTYPE_STATION, NULL, NULL)) {
+ rtnl_unlock();
+ dev_err(adapter->dev, "cannot create default station"
+ " interface\n");
+ goto err_add_intf;
}
+ rtnl_unlock();
+
up(sem);
mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1);
return 0;
err_add_intf:
- for (i = 0; i < adapter->priv_num; i++)
- mwifiex_remove_interface(adapter, i);
+ rtnl_lock();
+ mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev);
+ rtnl_unlock();
err_init_fw:
pr_debug("info: %s: unregister device\n", __func__);
adapter->if_ops.unregister_dev(adapter);
/* Stop data */
for (i = 0; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
- if (priv) {
+ if (priv && priv->netdev) {
if (!netif_queue_stopped(priv->netdev))
netif_stop_queue(priv->netdev);
if (netif_carrier_ok(priv->netdev))
atomic_read(&adapter->cmd_pending));
}
- /* Remove interface */
- for (i = 0; i < adapter->priv_num; i++)
- mwifiex_remove_interface(adapter, i);
+ for (i = 0; i < adapter->priv_num; i++) {
+ priv = adapter->priv[i];
+
+ if (!priv)
+ continue;
+
+ rtnl_lock();
+ mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev);
+ rtnl_unlock();
+ }
+
+ wiphy_unregister(priv->wdev->wiphy);
+ wiphy_free(priv->wdev->wiphy);
+ kfree(priv->wdev);
mwifiex_terminate_workqueue(adapter);
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff