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net/ipv6/udplite.c
3.35 KB
81f7e3824 Initial Release, ... |
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/* * UDPLITEv6 An implementation of the UDP-Lite protocol over IPv6. * See also net/ipv4/udplite.c * * Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk> * * Changes: * Fixes: * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/export.h> #include "udp_impl.h" static int udplitev6_rcv(struct sk_buff *skb) { return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE); } static void udplitev6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, int offset, __be32 info) { __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table); } static const struct inet6_protocol udplitev6_protocol = { .handler = udplitev6_rcv, .err_handler = udplitev6_err, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, }; struct proto udplitev6_prot = { .name = "UDPLITEv6", .owner = THIS_MODULE, .close = udp_lib_close, .connect = ip6_datagram_connect, .disconnect = udp_disconnect, .ioctl = udp_ioctl, .init = udplite_sk_init, .destroy = udpv6_destroy_sock, .setsockopt = udpv6_setsockopt, .getsockopt = udpv6_getsockopt, .sendmsg = udpv6_sendmsg, .recvmsg = udpv6_recvmsg, .hash = udp_lib_hash, .unhash = udp_lib_unhash, .get_port = udp_v6_get_port, .memory_allocated = &udp_memory_allocated, .sysctl_mem = sysctl_udp_mem, .obj_size = sizeof(struct udp6_sock), .h.udp_table = &udplite_table, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_udpv6_setsockopt, .compat_getsockopt = compat_udpv6_getsockopt, #endif }; static struct inet_protosw udplite6_protosw = { .type = SOCK_DGRAM, .protocol = IPPROTO_UDPLITE, .prot = &udplitev6_prot, .ops = &inet6_dgram_ops, .flags = INET_PROTOSW_PERMANENT, }; int __init udplitev6_init(void) { int ret; ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); if (ret) goto out; ret = inet6_register_protosw(&udplite6_protosw); if (ret) goto out_udplitev6_protocol; out: return ret; out_udplitev6_protocol: inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); goto out; } void udplitev6_exit(void) { inet6_unregister_protosw(&udplite6_protosw); inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); } #ifdef CONFIG_PROC_FS static const struct file_operations udplite6_afinfo_seq_fops = { .owner = THIS_MODULE, .open = udp_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release_net }; static struct udp_seq_afinfo udplite6_seq_afinfo = { .name = "udplite6", .family = AF_INET6, .udp_table = &udplite_table, .seq_fops = &udplite6_afinfo_seq_fops, .seq_ops = { .show = udp6_seq_show, }, }; static int __net_init udplite6_proc_init_net(struct net *net) { return udp_proc_register(net, &udplite6_seq_afinfo); } static void __net_exit udplite6_proc_exit_net(struct net *net) { udp_proc_unregister(net, &udplite6_seq_afinfo); } static struct pernet_operations udplite6_net_ops = { .init = udplite6_proc_init_net, .exit = udplite6_proc_exit_net, }; int __init udplite6_proc_init(void) { return register_pernet_subsys(&udplite6_net_ops); } void udplite6_proc_exit(void) { unregister_pernet_subsys(&udplite6_net_ops); } #endif |