/*----------------------------------------------------------------
* wlan_setup
*
* Roughly matches the functionality of ether_setup. Here
* we set up any members of the wlandevice structure that are common
* to all devices. Additionally, we allocate a linux 'struct device'
* and perform the same setup as ether_setup.
*
* Note: It's important that the caller have setup the wlandev->name
* ptr prior to calling this function.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* physdev ptr to usb device
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Should be process thread. We'll assume it might be
* interrupt though. When we add support for statically
* compiled drivers, this function will be called in the
* context of the kernel startup code.
*----------------------------------------------------------------
*/
int wlan_setup(struct wlandevice *wlandev, struct device *physdev)
{
int result = 0;
struct net_device *netdev;
struct wiphy *wiphy;
struct wireless_dev *wdev;
/* Set up the wlandev */
wlandev->state = WLAN_DEVICE_CLOSED;
wlandev->ethconv = WLAN_ETHCONV_8021h;
wlandev->macmode = WLAN_MACMODE_NONE;
/* Set up the rx queue */
skb_queue_head_init(&wlandev->nsd_rxq);
tasklet_init(&wlandev->rx_bh,
p80211netdev_rx_bh, (unsigned long)wlandev);
/* Allocate and initialize the wiphy struct */
wiphy = wlan_create_wiphy(physdev, wlandev);
if (!wiphy) {
dev_err(physdev, "Failed to alloc wiphy.\n");
return 1;
}
/* Allocate and initialize the struct device */
netdev = alloc_netdev(sizeof(struct wireless_dev), "wlan%d",
NET_NAME_UNKNOWN, ether_setup);
if (!netdev) {
dev_err(physdev, "Failed to alloc netdev.\n");
wlan_free_wiphy(wiphy);
result = 1;
} else {
wlandev->netdev = netdev;
netdev->ml_priv = wlandev;
netdev->netdev_ops = &p80211_netdev_ops;
wdev = netdev_priv(netdev);
wdev->wiphy = wiphy;
wdev->iftype = NL80211_IFTYPE_STATION;
netdev->ieee80211_ptr = wdev;
netdev->min_mtu = 68;
/* 2312 is max 802.11 payload, 20 is overhead,
* (ether + llc + snap) and another 8 for wep.
*/
netdev->max_mtu = (2312 - 20 - 8);
netif_stop_queue(netdev);
netif_carrier_off(netdev);
}
return result;
}
/*----------------------------------------------------------------
* wlan_setup
*
* Roughly matches the functionality of ether_setup. Here
* we set up any members of the wlandevice structure that are common
* to all devices. Additionally, we allocate a linux 'struct device'
* and perform the same setup as ether_setup.
*
* Note: It's important that the caller have setup the wlandev->name
* ptr prior to calling this function.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* physdev ptr to usb device
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Should be process thread. We'll assume it might be
* interrupt though. When we add support for statically
* compiled drivers, this function will be called in the
* context of the kernel startup code.
----------------------------------------------------------------*/
int wlan_setup(wlandevice_t *wlandev, struct device *physdev)
{
int result = 0;
netdevice_t *netdev;
struct wiphy *wiphy;
struct wireless_dev *wdev;
/* Set up the wlandev */
wlandev->state = WLAN_DEVICE_CLOSED;
wlandev->ethconv = WLAN_ETHCONV_8021h;
wlandev->macmode = WLAN_MACMODE_NONE;
/* Set up the rx queue */
skb_queue_head_init(&wlandev->nsd_rxq);
tasklet_init(&wlandev->rx_bh,
p80211netdev_rx_bh, (unsigned long)wlandev);
/* Allocate and initialize the wiphy struct */
wiphy = wlan_create_wiphy(physdev, wlandev);
if (wiphy == NULL) {
dev_err(physdev, "Failed to alloc wiphy.\n");
return 1;
}
/* Allocate and initialize the struct device */
netdev = alloc_netdev(sizeof(struct wireless_dev), "wlan%d",
ether_setup);
if (netdev == NULL) {
dev_err(physdev, "Failed to alloc netdev.\n");
wlan_free_wiphy(wiphy);
result = 1;
} else {
wlandev->netdev = netdev;
netdev->ml_priv = wlandev;
netdev->netdev_ops = &p80211_netdev_ops;
wdev = netdev_priv(netdev);
wdev->wiphy = wiphy;
wdev->iftype = NL80211_IFTYPE_STATION;
netdev->ieee80211_ptr = wdev;
netif_stop_queue(netdev);
netif_carrier_off(netdev);
}
return result;
}
