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Add tuntap interface to PGW

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This commit is contained in:
James Park 2017-04-18 10:22:55 +09:00
parent bebf14e361
commit 4b9e499ea7
9 changed files with 263 additions and 12 deletions
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19
lib/gtp/gtp_path.h
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@ -15,6 +15,25 @@ extern "C" {
#define GTP_COMPARE_NODE(__id1, __id2) \
(((__id1)->addr) == ((__id2)->addr) && ((__id1)->port) == ((__id2)->port))
/* GTP-U message type, defined in 3GPP TS 29.281 Release 11 */
#define GTPU_MSGTYPE_ECHO_REQ 1
#define GTPU_MSGTYPE_ECHO_RSP 2
#define GTPU_MSGTYPE_ERR_IND 26
#define GTPU_MSGTYPE_SUPP_EXTHDR_NOTI 31
#define GTPU_MSGTYPE_END_MARKER 254
#define GTPU_MSGTYPE_GPDU 255
/* GTU-U flags */
#define GTPU_FLAGS_PN 0x1
#define GTPU_FLAGS_S 0x2
typedef struct _gtp_header
{
c_uint8_t flags;
c_uint8_t type;
c_uint16_t length;
c_uint32_t teid;
} gtp_header_t;
/**
* This structure represents the commonalities of GTP node such as MME, SGW,
* PGW gateway. Some of members may not be used by the specific type of node */