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contine to re-archi GTP

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This commit is contained in:
Sukchan Lee 2017-08-31 10:48:14 +09:00
parent 829047f763
commit faf8268a3d
17 changed files with 175 additions and 90 deletions
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47
lib/gtp/support/gtp_tlv.py
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@ -383,7 +383,7 @@ type_list["APN Restriction"]["size"] = 1 # Type : 127
type_list["Selection Mode"]["size"] = 1 # Type : 128
type_list["Node Type"]["size"] = 1 # Type : 128
f = open(outdir + 'gtp_tlv.h', 'w')
f = open(outdir + 'gtp_message.h', 'w')
output_header_to_file(f)
f.write("""#ifndef __GTP_TLV_H__
#define __GTP_TLV_H__
@ -394,6 +394,46 @@ f.write("""#ifndef __GTP_TLV_H__
extern "C" {
#endif /* __cplusplus */
/* 5.1 General format */
#define GTPV2C_HEADER_LEN 12
#define GTPV2C_TEID_LEN 4
typedef struct _gtp_header_t {
union {
struct {
ED4(c_uint8_t version:3;,
c_uint8_t piggybacked:1;,
c_uint8_t teid_presence:1;,
c_uint8_t spare1:3;)
};
/* GTU-U flags */
#define GTPU_FLAGS_PN 0x1
#define GTPU_FLAGS_S 0x2
c_uint8_t flags;
};
c_uint8_t type;
c_uint16_t length;
union {
struct {
c_uint32_t teid;
/* sqn : 31bit ~ 8bit, spare : 7bit ~ 0bit */
#define GTP_XID_TO_SQN(__xid) htonl(((__xid) << 8))
#define GTP_SQN_TO_XID(__sqn) (ntohl(__sqn) >> 8)
c_uint32_t sqn;
};
/* sqn : 31bit ~ 8bit, spare : 7bit ~ 0bit */
c_uint32_t sqn_only;
};
} __attribute__ ((packed)) gtp_header_t;
/* 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
/* GTPv2-C message type */
""")
tmp = [(k, v["type"]) for k, v in msg_list.items()]
@ -482,6 +522,7 @@ for (k, v) in sorted_msg_list:
f.write("\n")
f.write("typedef struct _gtp_message_t {\n")
f.write(" gtp_header_t h;\n")
f.write(" union {\n")
for (k, v) in sorted_msg_list:
if "ies" in msg_list[k]:
@ -502,10 +543,10 @@ CORE_DECLARE(status_t) gtp_build_msg(
""")
f.close()
f = open(outdir + 'gtp_tlv.c', 'w')
f = open(outdir + 'gtp_message.c', 'w')
output_header_to_file(f)
f.write("""#include "core_debug.h"
#include "gtp_tlv.h"
#include "gtp_message.h"
""")