Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * net/tipc/udp_media.h: Include file for UDP bearer media
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (c) 1996-2006, 2013-2016, Ericsson AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (c) 2005, 2010-2011, Wind River Systems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * modification, are permitted provided that the following conditions are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *    notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * 2. Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  *    notice, this list of conditions and the following disclaimer in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *    documentation and/or other materials provided with the distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * 3. Neither the names of the copyright holders nor the names of its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  *    contributors may be used to endorse or promote products derived from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *    this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  * GNU General Public License ("GPL") version 2 as published by the Free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #ifdef CONFIG_TIPC_MEDIA_UDP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #ifndef _TIPC_UDP_MEDIA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define _TIPC_UDP_MEDIA_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <linux/ip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <linux/udp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int tipc_udp_nl_add_bearer_data(struct tipc_nl_msg *msg, struct tipc_bearer *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /* check if configured MTU is too low for tipc headers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline bool tipc_udp_mtu_bad(u32 mtu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	if (mtu >= (TIPC_MIN_BEARER_MTU + sizeof(struct iphdr) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	    sizeof(struct udphdr)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	pr_warn("MTU too low for tipc bearer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #endif