ipip.c (163849ea9b4c5d50fbd324692461983d18faadad) ipip.c (2c8c1e7297e19bdef3c178c3ea41d898a7716e3e)
1/*
2 * Linux NET3: IP/IP protocol decoder.
3 *
4 * Authors:
5 * Sam Lantinga (slouken@cs.ucdavis.edu) 02/01/95
6 *
7 * Fixes:
8 * Alan Cox : Merged and made usable non modular (its so tiny its silly as

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125 struct ip_tunnel *tunnels_r[HASH_SIZE];
126 struct ip_tunnel *tunnels_l[HASH_SIZE];
127 struct ip_tunnel *tunnels_wc[1];
128 struct ip_tunnel **tunnels[4];
129
130 struct net_device *fb_tunnel_dev;
131};
132
1/*
2 * Linux NET3: IP/IP protocol decoder.
3 *
4 * Authors:
5 * Sam Lantinga (slouken@cs.ucdavis.edu) 02/01/95
6 *
7 * Fixes:
8 * Alan Cox : Merged and made usable non modular (its so tiny its silly as

--- 116 unchanged lines hidden (view full) ---

125 struct ip_tunnel *tunnels_r[HASH_SIZE];
126 struct ip_tunnel *tunnels_l[HASH_SIZE];
127 struct ip_tunnel *tunnels_wc[1];
128 struct ip_tunnel **tunnels[4];
129
130 struct net_device *fb_tunnel_dev;
131};
132
133static void ipip_fb_tunnel_init(struct net_device *dev);
134static void ipip_tunnel_init(struct net_device *dev);
135static void ipip_tunnel_setup(struct net_device *dev);
136
137/*
138 * Locking : hash tables are protected by RCU and a spinlock
139 */
140static DEFINE_SPINLOCK(ipip_lock);
141

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725 strcpy(tunnel->parms.name, dev->name);
726
727 memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
728 memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
729
730 ipip_tunnel_bind_dev(dev);
731}
732
133static void ipip_tunnel_init(struct net_device *dev);
134static void ipip_tunnel_setup(struct net_device *dev);
135
136/*
137 * Locking : hash tables are protected by RCU and a spinlock
138 */
139static DEFINE_SPINLOCK(ipip_lock);
140

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724 strcpy(tunnel->parms.name, dev->name);
725
726 memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
727 memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
728
729 ipip_tunnel_bind_dev(dev);
730}
731
733static void ipip_fb_tunnel_init(struct net_device *dev)
732static void __net_init ipip_fb_tunnel_init(struct net_device *dev)
734{
735 struct ip_tunnel *tunnel = netdev_priv(dev);
736 struct iphdr *iph = &tunnel->parms.iph;
737 struct ipip_net *ipn = net_generic(dev_net(dev), ipip_net_id);
738
739 tunnel->dev = dev;
740 strcpy(tunnel->parms.name, dev->name);
741

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768 while (t != NULL) {
769 unregister_netdevice_queue(t->dev, head);
770 t = t->next;
771 }
772 }
773 }
774}
775
733{
734 struct ip_tunnel *tunnel = netdev_priv(dev);
735 struct iphdr *iph = &tunnel->parms.iph;
736 struct ipip_net *ipn = net_generic(dev_net(dev), ipip_net_id);
737
738 tunnel->dev = dev;
739 strcpy(tunnel->parms.name, dev->name);
740

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767 while (t != NULL) {
768 unregister_netdevice_queue(t->dev, head);
769 t = t->next;
770 }
771 }
772 }
773}
774
776static int ipip_init_net(struct net *net)
775static int __net_init ipip_init_net(struct net *net)
777{
778 struct ipip_net *ipn = net_generic(net, ipip_net_id);
779 int err;
780
781 ipn->tunnels[0] = ipn->tunnels_wc;
782 ipn->tunnels[1] = ipn->tunnels_l;
783 ipn->tunnels[2] = ipn->tunnels_r;
784 ipn->tunnels[3] = ipn->tunnels_r_l;

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801
802err_reg_dev:
803 free_netdev(ipn->fb_tunnel_dev);
804err_alloc_dev:
805 /* nothing */
806 return err;
807}
808
776{
777 struct ipip_net *ipn = net_generic(net, ipip_net_id);
778 int err;
779
780 ipn->tunnels[0] = ipn->tunnels_wc;
781 ipn->tunnels[1] = ipn->tunnels_l;
782 ipn->tunnels[2] = ipn->tunnels_r;
783 ipn->tunnels[3] = ipn->tunnels_r_l;

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800
801err_reg_dev:
802 free_netdev(ipn->fb_tunnel_dev);
803err_alloc_dev:
804 /* nothing */
805 return err;
806}
807
809static void ipip_exit_net(struct net *net)
808static void __net_exit ipip_exit_net(struct net *net)
810{
811 struct ipip_net *ipn = net_generic(net, ipip_net_id);
812 LIST_HEAD(list);
813
814 rtnl_lock();
815 ipip_destroy_tunnels(ipn, &list);
816 unregister_netdevice_queue(ipn->fb_tunnel_dev, &list);
817 unregister_netdevice_many(&list);

--- 39 unchanged lines hidden --- 		809{
810 struct ipip_net *ipn = net_generic(net, ipip_net_id);
811 LIST_HEAD(list);
812
813 rtnl_lock();
814 ipip_destroy_tunnels(ipn, &list);
815 unregister_netdevice_queue(ipn->fb_tunnel_dev, &list);
816 unregister_netdevice_many(&list);

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