| /* This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * Authors: |
| * (C) 2015 Pengutronix, Alexander Aring <aar@pengutronix.de> |
| */ |
| |
| #include <linux/module.h> |
| |
| #include <net/6lowpan.h> |
| #include <linux/if_arp.h> |
| |
| #include "6lowpan_i.h" |
| |
| int lowpan_register_netdevice(struct net_device *dev, |
| enum lowpan_lltypes lltype) |
| { |
| int ret; |
| |
| dev->addr_len = EUI64_ADDR_LEN; |
| dev->type = ARPHRD_6LOWPAN; |
| dev->mtu = IPV6_MIN_MTU; |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) |
| dev->priv_flags |= IFF_NO_QUEUE; |
| #else |
| dev->tx_queue_len = 0; |
| #endif |
| |
| lowpan_priv(dev)->lltype = lltype; |
| |
| ret = register_netdevice(dev); |
| if (ret < 0) |
| return ret; |
| |
| ret = lowpan_dev_debugfs_init(dev); |
| if (ret < 0) |
| unregister_netdevice(dev); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL(lowpan_register_netdevice); |
| |
| int lowpan_register_netdev(struct net_device *dev, |
| enum lowpan_lltypes lltype) |
| { |
| int ret; |
| |
| rtnl_lock(); |
| ret = lowpan_register_netdevice(dev, lltype); |
| rtnl_unlock(); |
| return ret; |
| } |
| EXPORT_SYMBOL(lowpan_register_netdev); |
| |
| void lowpan_unregister_netdevice(struct net_device *dev) |
| { |
| unregister_netdevice(dev); |
| lowpan_dev_debugfs_exit(dev); |
| } |
| EXPORT_SYMBOL(lowpan_unregister_netdevice); |
| |
| void lowpan_unregister_netdev(struct net_device *dev) |
| { |
| rtnl_lock(); |
| lowpan_unregister_netdevice(dev); |
| rtnl_unlock(); |
| } |
| EXPORT_SYMBOL(lowpan_unregister_netdev); |
| |
| static int __init lowpan_module_init(void) |
| { |
| int ret; |
| |
| ret = lowpan_debugfs_init(); |
| if (ret < 0) |
| return ret; |
| |
| request_module_nowait("ipv6"); |
| |
| request_module_nowait("nhc_dest"); |
| request_module_nowait("nhc_fragment"); |
| request_module_nowait("nhc_hop"); |
| request_module_nowait("nhc_ipv6"); |
| request_module_nowait("nhc_mobility"); |
| request_module_nowait("nhc_routing"); |
| request_module_nowait("nhc_udp"); |
| |
| return 0; |
| } |
| |
| static void __exit lowpan_module_exit(void) |
| { |
| lowpan_debugfs_exit(); |
| } |
| |
| module_init(lowpan_module_init); |
| module_exit(lowpan_module_exit); |
| |
| MODULE_LICENSE("GPL"); |