mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
df2bc459a3
This reverts changesets:6aaf47fa48b7b5f487abde34ed91c4fc038410b4There are still some correctness issues recently discovered which do not have a known fix that doesn't involve doing a full hash table scan on port bind. So revert for now. Signed-off-by: David S. Miller <davem@davemloft.net>
106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/*
|
|
* UDPLITEv6 An implementation of the UDP-Lite protocol over IPv6.
|
|
* See also net/ipv4/udplite.c
|
|
*
|
|
* Version: $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $
|
|
*
|
|
* 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 "udp_impl.h"
|
|
|
|
DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly;
|
|
|
|
static int udplitev6_rcv(struct sk_buff **pskb)
|
|
{
|
|
return __udp6_lib_rcv(pskb, udplite_hash, IPPROTO_UDPLITE);
|
|
}
|
|
|
|
static void udplitev6_err(struct sk_buff *skb,
|
|
struct inet6_skb_parm *opt,
|
|
int type, int code, int offset, __be32 info)
|
|
{
|
|
return __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
|
|
}
|
|
|
|
static struct inet6_protocol udplitev6_protocol = {
|
|
.handler = udplitev6_rcv,
|
|
.err_handler = udplitev6_err,
|
|
.flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
|
|
};
|
|
|
|
static int udplite_v6_get_port(struct sock *sk, unsigned short snum)
|
|
{
|
|
return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);
|
|
}
|
|
|
|
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 = udplite_v6_get_port,
|
|
.obj_size = sizeof(struct udp6_sock),
|
|
#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,
|
|
.capability = -1,
|
|
.no_check = 0,
|
|
.flags = INET_PROTOSW_PERMANENT,
|
|
};
|
|
|
|
void __init udplitev6_init(void)
|
|
{
|
|
if (inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE) < 0)
|
|
printk(KERN_ERR "%s: Could not register.\n", __FUNCTION__);
|
|
|
|
inet6_register_protosw(&udplite6_protosw);
|
|
}
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
static struct file_operations udplite6_seq_fops;
|
|
static struct udp_seq_afinfo udplite6_seq_afinfo = {
|
|
.owner = THIS_MODULE,
|
|
.name = "udplite6",
|
|
.family = AF_INET6,
|
|
.hashtable = udplite_hash,
|
|
.seq_show = udp6_seq_show,
|
|
.seq_fops = &udplite6_seq_fops,
|
|
};
|
|
|
|
int __init udplite6_proc_init(void)
|
|
{
|
|
return udp_proc_register(&udplite6_seq_afinfo);
|
|
}
|
|
|
|
void udplite6_proc_exit(void)
|
|
{
|
|
udp_proc_unregister(&udplite6_seq_afinfo);
|
|
}
|
|
#endif
|