diff options
Diffstat (limited to 'include/net/gtp.h')
| -rw-r--r-- | include/net/gtp.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/net/gtp.h b/include/net/gtp.h new file mode 100644 index 000000000..0e16ebb2a --- /dev/null +++ b/include/net/gtp.h @@ -0,0 +1,35 @@ +/* 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 |