forked from mirrors/linux
		
	 dda61925f8
			
		
	
	
		dda61925f8
		
	
	
	
	
		
			
			No need to create seq_operations for each instance of 'netstat'. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			135 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			135 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
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|  *              See also net/ipv4/udplite.c
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|  *
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|  *  Version:    $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $
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|  *
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|  *  Authors:    Gerrit Renker       <gerrit@erg.abdn.ac.uk>
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|  *
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|  *  Changes:
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|  *  Fixes:
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|  *		This program is free software; you can redistribute it and/or
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|  *		modify it under the terms of the GNU General Public License
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|  *		as published by the Free Software Foundation; either version
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|  *		2 of the License, or (at your option) any later version.
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|  */
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| #include "udp_impl.h"
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| 
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| DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly;
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| 
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| static int udplitev6_rcv(struct sk_buff *skb)
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| {
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| 	return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE);
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| }
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| 
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| static void udplitev6_err(struct sk_buff *skb,
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| 			  struct inet6_skb_parm *opt,
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| 			  int type, int code, int offset, __be32 info)
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| {
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| 	__udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
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| }
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| 
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| static struct inet6_protocol udplitev6_protocol = {
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| 	.handler	=	udplitev6_rcv,
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| 	.err_handler	=	udplitev6_err,
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| 	.flags		=	INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
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| };
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| 
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| struct proto udplitev6_prot = {
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| 	.name		   = "UDPLITEv6",
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| 	.owner		   = THIS_MODULE,
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| 	.close		   = udp_lib_close,
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| 	.connect	   = ip6_datagram_connect,
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| 	.disconnect	   = udp_disconnect,
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| 	.ioctl		   = udp_ioctl,
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| 	.init		   = udplite_sk_init,
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| 	.destroy	   = udpv6_destroy_sock,
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| 	.setsockopt	   = udpv6_setsockopt,
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| 	.getsockopt	   = udpv6_getsockopt,
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| 	.sendmsg	   = udpv6_sendmsg,
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| 	.recvmsg	   = udpv6_recvmsg,
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| 	.backlog_rcv	   = udpv6_queue_rcv_skb,
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| 	.hash		   = udp_lib_hash,
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| 	.unhash		   = udp_lib_unhash,
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| 	.get_port	   = udp_v6_get_port,
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| 	.obj_size	   = sizeof(struct udp6_sock),
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| 	.h.udp_hash	   = udplite_hash,
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| #ifdef CONFIG_COMPAT
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| 	.compat_setsockopt = compat_udpv6_setsockopt,
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| 	.compat_getsockopt = compat_udpv6_getsockopt,
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| #endif
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| };
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| 
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| static struct inet_protosw udplite6_protosw = {
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| 	.type		= SOCK_DGRAM,
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| 	.protocol	= IPPROTO_UDPLITE,
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| 	.prot		= &udplitev6_prot,
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| 	.ops		= &inet6_dgram_ops,
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| 	.capability	= -1,
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| 	.no_check	= 0,
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| 	.flags		= INET_PROTOSW_PERMANENT,
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| };
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| 
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| int __init udplitev6_init(void)
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| {
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| 	int ret;
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| 
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| 	ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
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| 	if (ret)
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| 		goto out;
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| 
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| 	ret = inet6_register_protosw(&udplite6_protosw);
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| 	if (ret)
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| 		goto out_udplitev6_protocol;
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| out:
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| 	return ret;
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| 
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| out_udplitev6_protocol:
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| 	inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
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| 	goto out;
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| }
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| 
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| void udplitev6_exit(void)
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| {
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| 	inet6_unregister_protosw(&udplite6_protosw);
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| 	inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
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| }
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| 
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| #ifdef CONFIG_PROC_FS
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| static struct file_operations udplite6_seq_fops;
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| static struct udp_seq_afinfo udplite6_seq_afinfo = {
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| 	.owner		= THIS_MODULE,
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| 	.name		= "udplite6",
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| 	.family		= AF_INET6,
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| 	.hashtable	= udplite_hash,
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| 	.seq_fops	= &udplite6_seq_fops,
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| 	.seq_ops	= {
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| 		.show		= udp6_seq_show,
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| 	},
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| };
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| 
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| static int udplite6_proc_init_net(struct net *net)
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| {
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| 	return udp_proc_register(net, &udplite6_seq_afinfo);
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| }
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| 
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| static void udplite6_proc_exit_net(struct net *net)
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| {
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| 	udp_proc_unregister(net, &udplite6_seq_afinfo);
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| }
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| 
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| static struct pernet_operations udplite6_net_ops = {
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| 	.init = udplite6_proc_init_net,
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| 	.exit = udplite6_proc_exit_net,
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| };
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| 
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| int __init udplite6_proc_init(void)
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| {
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| 	return register_pernet_subsys(&udplite6_net_ops);
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| }
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| 
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| void udplite6_proc_exit(void)
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| {
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| 	unregister_pernet_subsys(&udplite6_net_ops);
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| }
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| #endif
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