bool zlp;
u8 host_mac[ETH_ALEN];
+ u8 dev_mac[ETH_ALEN];
};
/*-------------------------------------------------------------------------*/
return 1;
}
+static int get_ether_addr_str(u8 dev_addr[ETH_ALEN], char *str, int len)
+{
+ if (len < 18)
+ return -EINVAL;
+
+ snprintf(str, len, "%02x:%02x:%02x:%02x:%02x:%02x",
+ dev_addr[0], dev_addr[1], dev_addr[2],
+ dev_addr[3], dev_addr[4], dev_addr[5]);
+ return 18;
+}
+
static const struct net_device_ops eth_netdev_ops = {
.ndo_open = eth_open,
.ndo_stop = eth_stop,
INFO(dev, "MAC %pM\n", net->dev_addr);
INFO(dev, "HOST MAC %pM\n", dev->host_mac);
- /* two kinds of host-initiated state changes:
+ /*
+ * two kinds of host-initiated state changes:
* - iff DATA transfer is active, carrier is "on"
* - tx queueing enabled if open *and* carrier is "on"
*/
}
EXPORT_SYMBOL(gether_setup_name);
+struct net_device *gether_setup_name_default(const char *netname)
+{
+ struct net_device *net;
+ struct eth_dev *dev;
+
+ net = alloc_etherdev(sizeof(*dev));
+ if (!net)
+ return ERR_PTR(-ENOMEM);
+
+ dev = netdev_priv(net);
+ spin_lock_init(&dev->lock);
+ spin_lock_init(&dev->req_lock);
+ INIT_WORK(&dev->work, eth_work);
+ INIT_LIST_HEAD(&dev->tx_reqs);
+ INIT_LIST_HEAD(&dev->rx_reqs);
+
+ skb_queue_head_init(&dev->rx_frames);
+
+ /* network device setup */
+ dev->net = net;
+ dev->qmult = QMULT_DEFAULT;
+ snprintf(net->name, sizeof(net->name), "%s%%d", netname);
+
+ eth_random_addr(dev->dev_mac);
+ pr_warn("using random %s ethernet address\n", "self");
+ eth_random_addr(dev->host_mac);
+ pr_warn("using random %s ethernet address\n", "host");
+
+ net->netdev_ops = ð_netdev_ops;
+
+ SET_ETHTOOL_OPS(net, &ops);
+ SET_NETDEV_DEVTYPE(net, &gadget_type);
+
+ return net;
+}
+EXPORT_SYMBOL(gether_setup_name_default);
+
+int gether_register_netdev(struct net_device *net)
+{
+ struct eth_dev *dev;
+ struct usb_gadget *g;
+ struct sockaddr sa;
+ int status;
+
+ if (!net->dev.parent)
+ return -EINVAL;
+ dev = netdev_priv(net);
+ g = dev->gadget;
+ status = register_netdev(net);
+ if (status < 0) {
+ dev_dbg(&g->dev, "register_netdev failed, %d\n", status);
+ return status;
+ } else {
+ INFO(dev, "HOST MAC %pM\n", dev->host_mac);
+
+ /* two kinds of host-initiated state changes:
+ * - iff DATA transfer is active, carrier is "on"
+ * - tx queueing enabled if open *and* carrier is "on"
+ */
+ netif_carrier_off(net);
+ }
+ sa.sa_family = net->type;
+ memcpy(sa.sa_data, dev->dev_mac, ETH_ALEN);
+ rtnl_lock();
+ status = dev_set_mac_address(net, &sa);
+ rtnl_unlock();
+ if (status)
+ pr_warn("cannot set self ethernet address: %d\n", status);
+ else
+ INFO(dev, "MAC %pM\n", dev->dev_mac);
+
+ return status;
+}
+EXPORT_SYMBOL(gether_register_netdev);
+
+void gether_set_gadget(struct net_device *net, struct usb_gadget *g)
+{
+ struct eth_dev *dev;
+
+ dev = netdev_priv(net);
+ dev->gadget = g;
+ SET_NETDEV_DEV(net, &g->dev);
+}
+EXPORT_SYMBOL(gether_set_gadget);
+
+int gether_set_dev_addr(struct net_device *net, const char *dev_addr)
+{
+ struct eth_dev *dev;
+ u8 new_addr[ETH_ALEN];
+
+ dev = netdev_priv(net);
+ if (get_ether_addr(dev_addr, new_addr))
+ return -EINVAL;
+ memcpy(dev->dev_mac, new_addr, ETH_ALEN);
+ return 0;
+}
+EXPORT_SYMBOL(gether_set_dev_addr);
+
+int gether_get_dev_addr(struct net_device *net, char *dev_addr, int len)
+{
+ struct eth_dev *dev;
+
+ dev = netdev_priv(net);
+ return get_ether_addr_str(dev->dev_mac, dev_addr, len);
+}
+EXPORT_SYMBOL(gether_get_dev_addr);
+
+int gether_set_host_addr(struct net_device *net, const char *host_addr)
+{
+ struct eth_dev *dev;
+ u8 new_addr[ETH_ALEN];
+
+ dev = netdev_priv(net);
+ if (get_ether_addr(host_addr, new_addr))
+ return -EINVAL;
+ memcpy(dev->host_mac, new_addr, ETH_ALEN);
+ return 0;
+}
+EXPORT_SYMBOL(gether_set_host_addr);
+
+int gether_get_host_addr(struct net_device *net, char *host_addr, int len)
+{
+ struct eth_dev *dev;
+
+ dev = netdev_priv(net);
+ return get_ether_addr_str(dev->host_mac, host_addr, len);
+}
+EXPORT_SYMBOL(gether_get_host_addr);
+
+int gether_get_host_addr_cdc(struct net_device *net, char *host_addr, int len)
+{
+ struct eth_dev *dev;
+
+ if (len < 13)
+ return -EINVAL;
+
+ dev = netdev_priv(net);
+ snprintf(host_addr, len, "%pm", dev->host_mac);
+
+ return strlen(host_addr);
+}
+EXPORT_SYMBOL(gether_get_host_addr_cdc);
+
+void gether_set_qmult(struct net_device *net, unsigned qmult)
+{
+ struct eth_dev *dev;
+
+ dev = netdev_priv(net);
+ dev->qmult = qmult;
+}
+EXPORT_SYMBOL(gether_set_qmult);
+
+unsigned gether_get_qmult(struct net_device *net)
+{
+ struct eth_dev *dev;
+
+ dev = netdev_priv(net);
+ return dev->qmult;
+}
+EXPORT_SYMBOL(gether_get_qmult);
+
+int gether_get_ifname(struct net_device *net, char *name, int len)
+{
+ rtnl_lock();
+ strlcpy(name, netdev_name(net), len);
+ rtnl_unlock();
+ return strlen(name);
+}
+EXPORT_SYMBOL(gether_get_ifname);
+
/**
* gether_cleanup - remove Ethernet-over-USB device
* Context: may sleep
projects / deliverable / linux.git / blobdiff