1 /* SPDX-License-Identifier: GPL-2.0 */
5 /* General GTP protocol related definitions. */
8 #define GTP1U_PORT 2152
12 struct gtp0_header { /* According to GSM TS 09.60. */
21 } __attribute__ ((packed));
23 struct gtp1_header { /* According to 3GPP TS 29.060. */
28 } __attribute__ ((packed));
30 #define GTP1_F_NPDU 0x01
31 #define GTP1_F_SEQ 0x02
32 #define GTP1_F_EXTHDR 0x04
33 #define GTP1_F_MASK 0x07