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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note *//* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions for the UDP protocol. * * Version: @(#)udp.h 1.0.2 04/28/93 * * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */#ifndef _UAPI_LINUX_UDP_H#define _UAPI_LINUX_UDP_H
#include <linux/types.h>
struct udphdr { __be16 source; __be16 dest; __be16 len; __sum16 check;};
/* UDP socket options */#define UDP_CORK 1 /* Never send partially complete segments *//* Deprecated, reserved for UDPLITE_SEND_CSCOV 10 *//* Deprecated, reserved for UDPLITE_RECV_CSCOV 11 */#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */#define UDP_NO_CHECK6_TX 101 /* Disable sending checksum for UDP6X */#define UDP_NO_CHECK6_RX 102 /* Disable accepting checksum for UDP6 */#define UDP_SEGMENT 103 /* Set GSO segmentation size */#define UDP_GRO 104 /* This socket can receive UDP GRO packets */
/* UDP encapsulation types */#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* unused draft-ietf-ipsec-nat-t-ike-00/01 */#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */#define UDP_ENCAP_L2TPINUDP 3 /* rfc2661 */#define UDP_ENCAP_GTP0 4 /* GSM TS 09.60 */#define UDP_ENCAP_GTP1U 5 /* 3GPP TS 29.060 */#define UDP_ENCAP_RXRPC 6#define TCP_ENCAP_ESPINTCP 7 /* Yikes, this is really xfrm encap types. */#define UDP_ENCAP_OVPNINUDP 8 /* OpenVPN traffic */
#endif /* _UAPI_LINUX_UDP_H */