blob: c1d6169df331efda79b64e7f5bbc1eebe625be03 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* 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
/* GTP messages types */
#define GTP_ECHO_REQ 1 /* Echo Request */
#define GTP_ECHO_RSP 2 /* Echo Response */
#define GTP_TPDU 255
#define GTPIE_RECOVERY 14
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));
struct gtp1_header_long { /* According to 3GPP TS 29.060. */
__u8 flags;
__u8 type;
__be16 length;
__be32 tid;
__be16 seq;
__u8 npdu;
__u8 next;
} __packed;
/* GTP Information Element */
struct gtp_ie {
__u8 tag;
__u8 val;
} __packed;
struct gtp0_packet {
struct gtp0_header gtp0_h;
struct gtp_ie ie;
} __packed;
struct gtp1u_packet {
struct gtp1_header_long gtp1u_h;
struct gtp_ie ie;
} __packed;
struct gtp_pdu_session_info { /* According to 3GPP TS 38.415. */
u8 pdu_type;
u8 qfi;
};
static inline bool netif_is_gtp(const struct net_device *dev)
{
return dev->rtnl_link_ops &&
!strcmp(dev->rtnl_link_ops->kind, "gtp");
}
#define GTP1_F_NPDU 0x01
#define GTP1_F_SEQ 0x02
#define GTP1_F_EXTHDR 0x04
#define GTP1_F_MASK 0x07
#endif
|
