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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /net/ipv6/udplite.c
Initial import
Diffstat (limited to 'net/ipv6/udplite.c')
-rw-r--r--net/ipv6/udplite.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
new file mode 100644
index 000000000..9cf097e20
--- /dev/null
+++ b/net/ipv6/udplite.c
@@ -0,0 +1,139 @@
+/*
+ * 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,
+ .backlog_rcv = udpv6_queue_rcv_skb,
+ .hash = udp_lib_hash,
+ .unhash = udp_lib_unhash,
+ .get_port = udp_v6_get_port,
+ .obj_size = sizeof(struct udp6_sock),
+ .slab_flags = SLAB_DESTROY_BY_RCU,
+ .h.udp_table = &udplite_table,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_udpv6_setsockopt,
+ .compat_getsockopt = compat_udpv6_getsockopt,
+#endif
+ .clear_sk = udp_v6_clear_sk,
+};
+
+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