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48 lines
1.7 KiB
48 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Definitions for the UDP protocol.
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*
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* Version: @(#)udp.h 1.0.2 04/28/93
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*
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* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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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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#ifndef _UAPI_LINUX_UDP_H
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#define _UAPI_LINUX_UDP_H
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#include <linux/types.h>
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struct udphdr {
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__be16 source;
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__be16 dest;
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__be16 len;
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__sum16 check;
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};
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/* UDP socket options */
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#define UDP_CORK 1 /* Never send partially complete segments */
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#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */
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#define UDP_NO_CHECK6_TX 101 /* Disable sending checksum for UDP6X */
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#define UDP_NO_CHECK6_RX 102 /* Disable accpeting checksum for UDP6 */
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#define UDP_SEGMENT 103 /* Set GSO segmentation size */
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#define UDP_GRO 104 /* This socket can receive UDP GRO packets */
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/* UDP encapsulation types */
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#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
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#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */
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#define UDP_ENCAP_L2TPINUDP 3 /* rfc2661 */
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#define UDP_ENCAP_GTP0 4 /* GSM TS 09.60 */
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#define UDP_ENCAP_GTP1U 5 /* 3GPP TS 29.060 */
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#define UDP_ENCAP_RXRPC 6
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#define TCP_ENCAP_ESPINTCP 7 /* Yikes, this is really xfrm encap types. */
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#endif /* _UAPI_LINUX_UDP_H */
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