diff options
Diffstat (limited to 'net/ipv6/udplite.c')
-rw-r--r-- | net/ipv6/udplite.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c new file mode 100644 index 000000000..5000ad687 --- /dev/null +++ b/net/ipv6/udplite.c @@ -0,0 +1,129 @@ +/* + * 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 <linux/proc_fs.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 struct udp_seq_afinfo udplite6_seq_afinfo = { + .family = AF_INET6, + .udp_table = &udplite_table, +}; + +static int __net_init udplite6_proc_init_net(struct net *net) +{ + if (!proc_create_net_data("udplite6", 0444, net->proc_net, + &udp6_seq_ops, sizeof(struct udp_iter_state), + &udplite6_seq_afinfo)) + return -ENOMEM; + return 0; +} + +static void __net_exit udplite6_proc_exit_net(struct net *net) +{ + remove_proc_entry("udplite6", net->proc_net); +} + +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 |