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1 | /* |
2 | * INET An implementation of the TCP/IP protocol suite for the LINUX | |
3 | * operating system. INET is implemented using the BSD Socket | |
4 | * interface as the means of communication with the user level. | |
5 | * | |
6 | * Definitions for the UDP protocol. | |
7 | * | |
8 | * Version: @(#)udp.h 1.0.2 04/28/93 | |
9 | * | |
10 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License | |
14 | * as published by the Free Software Foundation; either version | |
15 | * 2 of the License, or (at your option) any later version. | |
16 | */ | |
17 | #ifndef _UAPI_LINUX_UDP_H | |
18 | #define _UAPI_LINUX_UDP_H | |
19 | ||
20 | #include <linux/types.h> | |
21 | ||
22 | struct udphdr { | |
23 | __be16 source; | |
24 | __be16 dest; | |
25 | __be16 len; | |
26 | __sum16 check; | |
27 | }; | |
28 | ||
29 | /* UDP socket options */ | |
30 | #define UDP_CORK 1 /* Never send partially complete segments */ | |
31 | #define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */ | |
1c19448c TH |
32 | #define UDP_NO_CHECK6_TX 101 /* Disable sending checksum for UDP6X */ |
33 | #define UDP_NO_CHECK6_RX 102 /* Disable accpeting checksum for UDP6 */ | |
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34 | |
35 | /* UDP encapsulation types */ | |
36 | #define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ | |
37 | #define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */ | |
38 | #define UDP_ENCAP_L2TPINUDP 3 /* rfc2661 */ | |
459aa660 PN |
39 | #define UDP_ENCAP_GTP0 4 /* GSM TS 09.60 */ |
40 | #define UDP_ENCAP_GTP1U 5 /* 3GPP TS 29.060 */ | |
607ca46e DH |
41 | |
42 | #endif /* _UAPI_LINUX_UDP_H */ |