cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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udp_media.h (2530B)

      1/*
      2 * net/tipc/udp_media.h: Include file for UDP bearer media
      3 *
      4 * Copyright (c) 1996-2006, 2013-2016, Ericsson AB
      5 * Copyright (c) 2005, 2010-2011, Wind River Systems
      6 * All rights reserved.
      7 *
      8 * Redistribution and use in source and binary forms, with or without
      9 * modification, are permitted provided that the following conditions are met:
     10 *
     11 * 1. Redistributions of source code must retain the above copyright
     12 *    notice, this list of conditions and the following disclaimer.
     13 * 2. Redistributions in binary form must reproduce the above copyright
     14 *    notice, this list of conditions and the following disclaimer in the
     15 *    documentation and/or other materials provided with the distribution.
     16 * 3. Neither the names of the copyright holders nor the names of its
     17 *    contributors may be used to endorse or promote products derived from
     18 *    this software without specific prior written permission.
     19 *
     20 * Alternatively, this software may be distributed under the terms of the
     21 * GNU General Public License ("GPL") version 2 as published by the Free
     22 * Software Foundation.
     23 *
     24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34 * POSSIBILITY OF SUCH DAMAGE.
     35 */
     36
     37#ifdef CONFIG_TIPC_MEDIA_UDP
     38#ifndef _TIPC_UDP_MEDIA_H
     39#define _TIPC_UDP_MEDIA_H
     40
     41#include <linux/ip.h>
     42#include <linux/udp.h>
     43
     44int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr);
     45int tipc_udp_nl_add_bearer_data(struct tipc_nl_msg *msg, struct tipc_bearer *b);
     46int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb);
     47
     48/* check if configured MTU is too low for tipc headers */
     49static inline bool tipc_udp_mtu_bad(u32 mtu)
     50{
     51	if (mtu >= (TIPC_MIN_BEARER_MTU + sizeof(struct iphdr) +
     52	    sizeof(struct udphdr)))
     53		return false;
     54
     55	pr_warn("MTU too low for tipc bearer\n");
     56	return true;
     57}
     58
     59#endif
     60#endif