2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
129 lines
3 KiB
C
129 lines
3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* 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:
|
|
*/
|
|
#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 int udplitev6_err(struct sk_buff *skb,
|
|
struct inet6_skb_parm *opt,
|
|
u8 type, u8 code, int offset, __be32 info)
|
|
{
|
|
return __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,
|
|
.rehash = udp_v6_rehash,
|
|
.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
|