| /* 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 */ | |
| #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 accpeting 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 /* 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. */ | |
| #endif /* _UAPI_LINUX_UDP_H */ |