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60 lines
2.5 KiB
60 lines
2.5 KiB
/* |
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* net/tipc/udp_media.h: Include file for UDP bearer media |
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* |
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* Copyright (c) 1996-2006, 2013-2016, Ericsson AB |
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* Copyright (c) 2005, 2010-2011, Wind River Systems |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the names of the copyright holders nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* Alternatively, this software may be distributed under the terms of the |
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* GNU General Public License ("GPL") version 2 as published by the Free |
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* Software Foundation. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifdef CONFIG_TIPC_MEDIA_UDP |
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#ifndef _TIPC_UDP_MEDIA_H |
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#define _TIPC_UDP_MEDIA_H |
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#include <linux/ip.h> |
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#include <linux/udp.h> |
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int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr); |
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int tipc_udp_nl_add_bearer_data(struct tipc_nl_msg *msg, struct tipc_bearer *b); |
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int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb); |
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/* check if configured MTU is too low for tipc headers */ |
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static inline bool tipc_udp_mtu_bad(u32 mtu) |
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{ |
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if (mtu >= (TIPC_MIN_BEARER_MTU + sizeof(struct iphdr) + |
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sizeof(struct udphdr))) |
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return false; |
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pr_warn("MTU too low for tipc bearer\n"); |
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return true; |
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} |
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#endif |
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#endif
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