| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _GTP_H_ | |
| #define _GTP_H_ | |
| /* General GTP protocol related definitions. */ | |
| #define GTP0_PORT 3386 | |
| #define GTP1U_PORT 2152 | |
| #define GTP_TPDU 255 | |
| struct gtp0_header { /* According to GSM TS 09.60. */ | |
| __u8 flags; | |
| __u8 type; | |
| __be16 length; | |
| __be16 seq; | |
| __be16 flow; | |
| __u8 number; | |
| __u8 spare[3]; | |
| __be64 tid; | |
| } __attribute__ ((packed)); | |
| struct gtp1_header { /* According to 3GPP TS 29.060. */ | |
| __u8 flags; | |
| __u8 type; | |
| __be16 length; | |
| __be32 tid; | |
| } __attribute__ ((packed)); | |
| #define GTP1_F_NPDU 0x01 | |
| #define GTP1_F_SEQ 0x02 | |
| #define GTP1_F_EXTHDR 0x04 | |
| #define GTP1_F_MASK 0x07 | |
| #endif |