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