| /* 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 */ |
