/* * 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_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv; struct net_device *dev; void *mdev_priv; struct wireless_dev *wdev; if (!adapter) return ERR_PTR(-EFAULT); switch (type) { case NL80211_IFTYPE_UNSPECIFIED: case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_ADHOC: priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; if (priv->bss_mode) { wiphy_err(wiphy, "cannot create multiple sta/adhoc ifaces\n"); return ERR_PTR(-EINVAL); } wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) return ERR_PTR(-ENOMEM); wdev->wiphy = wiphy; priv->wdev = wdev; wdev->iftype = NL80211_IFTYPE_STATION; 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 = MWIFIEX_BSS_ROLE_STA; priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_num = 0; break; case NL80211_IFTYPE_AP: priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; if (priv->bss_mode) { wiphy_err(wiphy, "Can't create multiple AP interfaces"); return ERR_PTR(-EINVAL); } wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) return ERR_PTR(-ENOMEM); priv->wdev = wdev; wdev->wiphy = wiphy; wdev->iftype = NL80211_IFTYPE_AP; priv->bss_type = MWIFIEX_BSS_TYPE_UAP; priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = MWIFIEX_BSS_ROLE_UAP; priv->bss_role = MWIFIEX_BSS_ROLE_UAP; priv->bss_started = 0; priv->bss_num = 0; priv->bss_mode = type; break; default: wiphy_err(wiphy, "type not supported\n"); return ERR_PTR(-EINVAL); } dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, ether_setup, 1); if (!dev) { wiphy_err(wiphy, "no memory available for netdevice\n"); priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; return ERR_PTR(-ENOMEM); } mwifiex_init_priv_params(priv, dev); priv->netdev = dev; mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); if (adapter->config_bands & BAND_A) mwifiex_setup_ht_caps( &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); 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; SET_NETDEV_DEV(dev, adapter->dev); /* Register network device */ if (register_netdevice(dev)) { wiphy_err(wiphy, "cannot register virtual network device\n"); free_netdev(dev); priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; return ERR_PTR(-EFAULT); } 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; }
/* * 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; }