kernel-fxtec-pro1x/net/tipc/udp_media.h
Richard Alpe 832629ca5c tipc: add UDP remoteip dump to netlink API
When using replicast a UDP bearer can have an arbitrary amount of
remote ip addresses associated with it. This means we cannot simply
add all remote ip addresses to an existing bearer data message as it
might fill the message, leaving us with a truncated message that we
can't safely resume. To handle this we introduce the new netlink
command TIPC_NL_UDP_GET_REMOTEIP. This command is intended to be
called when the bearer data message has the
TIPC_NLA_UDP_MULTI_REMOTEIP flag set, indicating there are more than
one remote ip (replicast).

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-26 21:38:41 -07:00

46 lines
2.2 KiB
C

/*
* net/tipc/udp_media.h: Include file for UDP bearer media
*
* Copyright (c) 1996-2006, 2013-2016, Ericsson AB
* Copyright (c) 2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
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*
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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*/
#ifdef CONFIG_TIPC_MEDIA_UDP
#ifndef _TIPC_UDP_MEDIA_H
#define _TIPC_UDP_MEDIA_H
int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr);
int tipc_udp_nl_add_bearer_data(struct tipc_nl_msg *msg, struct tipc_bearer *b);
int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb);
#endif
#endif