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459aa660 PN |
1 | #ifndef _GTP_H_ |
2 | #define _GTP_H | |
3 | ||
4 | /* General GTP protocol related definitions. */ | |
5 | ||
6 | #define GTP0_PORT 3386 | |
7 | #define GTP1U_PORT 2152 | |
8 | ||
9 | #define GTP_TPDU 255 | |
10 | ||
11 | struct gtp0_header { /* According to GSM TS 09.60. */ | |
12 | __u8 flags; | |
13 | __u8 type; | |
14 | __be16 length; | |
15 | __be16 seq; | |
16 | __be16 flow; | |
17 | __u8 number; | |
18 | __u8 spare[3]; | |
19 | __be64 tid; | |
20 | } __attribute__ ((packed)); | |
21 | ||
22 | struct gtp1_header { /* According to 3GPP TS 29.060. */ | |
23 | __u8 flags; | |
24 | __u8 type; | |
25 | __be16 length; | |
26 | __be32 tid; | |
27 | } __attribute__ ((packed)); | |
28 | ||
29 | #define GTP1_F_NPDU 0x01 | |
30 | #define GTP1_F_SEQ 0x02 | |
31 | #define GTP1_F_EXTHDR 0x04 | |
32 | #define GTP1_F_MASK 0x07 | |
33 | ||
34 | #endif |