cnat_pcp_server.h File Reference

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Data Structures
struct	pcp_debug_counters
struct	pcp_show_counters_resp_t
struct	pcp_request
struct	pcp_response
struct	pcp_options_hdr
struct	pcp_map_option_specific_data
struct	pcp_peer_option_specific_data
struct	pcp_prefer_fail_option
struct	pcp_3rd_party_option
struct	pcp_pipeline_data

Macros
#define	PCP_DBG(debug, ...)
#define	PCP_DUMP_PDATA
#define	PCP_DUMP_PACKET(ip, len)   pcp_hex_dump(ip, len)
#define	PCP_INCR(counter)
#define	PCP_DISABLED   0
#define	PCP_ENABLED   1
#define	PCP_DROP   1
#define	PCP_STATIC_LIFETIME   0xFFFFFFFF
#define	PCP_MAX_LIFETIME   0x00015180 /* 24 hours = 86400 seconds*/
#define	PCP_VERSION_SUPPORTED   1
#define	PCP_NO_PREF_FAIL_OPTION   0
#define	PCP_PREF_FAIL_OPTION   1
#define	CNAT_DEF_PCP_PORT   5351
#define	PCP_REQ_RESP_BIT   0x80
#define	PCP_RESPONSE(r_opcode)   (r_opcode & PCP_REQ_RESP_BIT)
#define	PCP_REQUEST(r_opcode)   !(PCP_RESPONSE(r_opcode))
#define	PCP_REQ_OPCODE(r_opcode)   (r_opcode & 0x7F)
#define	PCP_COMMON_HDR_LEN   sizeof(pcp_request_t)
#define	UDP_HDR_LEN   sizeof(udp_hdr_type_t)
#define	PCP_PREF_FAIL_OPTION_SIZE   sizeof(pcp_prefer_fail_option_t)
#define	PCP_3RD_PARTY_OPTION_SIZE   sizeof(pcp_3rd_party_option_t)
#define	PCP_MIN_LEN   PCP_COMMON_HDR_LEN
#define	PCP_MIN_UDP_LEN   (PCP_MIN_LEN + UDP_HDR_LEN)
#define	PCP_MAX_LEN   1024
#define	PCP_MAX_UDP_LEN   (PCP_MAX_LEN + UDP_HDR_LEN)
#define	PCP_MAP_OPCODE_MIN_LEN
#define	PCP_PEER_OPCODE_MIN_LEN
#define	PCP_MAP_OPCODE_MIN_UDP_LEN
#define	PCP_GET_MAP_OPTION_OFFSET(req)   ((u8*)req + PCP_MAP_OPCODE_MIN_LEN)
#define	PCP_GET_PEER_OPTION_OFFSET(req)   ((u8*)req + PCP_PEER_OPCODE_MIN_LEN)
#define	PCP_REQ_TOTAL_LEN(udp)
#define	PCP_MAP_OPCODE_PREF_FAIL_OPTION_LEN
#define	PCP_PEER_OPCODE_MIN_UDP_LEN
#define	PCP_MUST_OPTION(option_code)   (option_code & 0x80)
#define	PCP_DSLITE_MAP_OPCODE_MIN_UDP_LEN
#define	PCP_DSLITE_MAP_OPCODE_MAX_UDP_LEN
#define	PCP_DSLITE_PEER_OPCODE_MIN_UDP_LEN
#define	PCP_SET_CNAT_PROTO(proto)
#define	PCP_SET_REQ_LIFETIME()
#define	PCP_THROTTLE_LIMIT   2
#define	PCP_SERVICE_NAT44   1
#define	PCP_SERVICE_DSLITE   2
#define	PCP_SERVICE_NAT64   3
#define	PCP_REQ_ENTRY_PRESENT   1
#define	PCP_REQ_EXT_MAP_PRESENT   1

Typedefs
typedef struct pcp_debug_counters	pcp_debug_counters_t
typedef enum pcp_opcode	pcp_opcode_t
typedef enum pcp_options	pcp_options_t
typedef enum pcp_result_codes	pcp_result_codes_t
typedef struct pcp_request	pcp_request_t
typedef struct pcp_response	pcp_response_t
typedef struct pcp_options_hdr	pcp_options_hdr_t
typedef struct pcp_map_option_specific_data	pcp_map_option_specific_data_t
typedef struct pcp_peer_option_specific_data	pcp_peer_option_specific_data_t
typedef struct pcp_prefer_fail_option	pcp_prefer_fail_option_t
typedef struct pcp_3rd_party_option	pcp_3rd_party_option_t
typedef struct pcp_pipeline_data	pcp_pipeline_data_t

Enumerations
enum	pcp_opcode { PCP_OPCODE_MAP = 1, PCP_OPCODE_PEER = 2 }
enum	pcp_options { PCP_OPTION_3RD_PARTY = 1, PCP_OPTION_PREF_FAIL = 2, PCP_OPTION_FILTER = 3 }
enum	pcp_result_codes {   PCP_SUCCESS = 0, PCP_ERR_UNSUPP_VERSION = 1, PCP_ERR_NOT_AUTHORIZED = 2, PCP_ERR_MALFORMED_REQUEST = 3,   PCP_ERR_UNSUPP_OPCODE = 4, PCP_ERR_UNSUPP_OPTION = 5, PCP_ERR_MALFORMED_OPTION = 6, PCP_ERR_NETWORK_FAILURE = 7,   PCP_ERR_NO_RESOURCES = 8, PCP_ERR_UNSUPP_PROTOCOL = 9, PCP_ERR_USER_EX_QUOTA = 10, PCP_ERR_CANNOT_PROVIDE_EXTERNAL = 11,   PCP_ERR_ADDRESS_MISMATCH = 12, PCP_ERR_EXCESSIVE_REMOTE_PEERS = 13 }

Macro Definition Documentation

#define CNAT_DEF_PCP_PORT   5351

Definition at line 175 of file cnat_pcp_server.h.

#define PCP_3RD_PARTY_OPTION_SIZE   sizeof(pcp_3rd_party_option_t)

Definition at line 192 of file cnat_pcp_server.h.

#define PCP_COMMON_HDR_LEN   sizeof(pcp_request_t)

Definition at line 184 of file cnat_pcp_server.h.

#define PCP_DBG	(		debug,
			...
	)

Value:

if(PREDICT_FALSE(cnat_pcp_debug_flag >= debug)) { \
                    printf("%s:%s:%d - ", \
                           __FILE__, __FUNCTION__, __LINE__);\
                    printf(__VA_ARGS__);\
                    printf("\n"); \
            }

Definition at line 26 of file cnat_pcp_server.h.

#define PCP_DISABLED   0

Definition at line 162 of file cnat_pcp_server.h.

#define PCP_DROP   1

Definition at line 165 of file cnat_pcp_server.h.

#define PCP_DSLITE_MAP_OPCODE_MAX_UDP_LEN

Value:

( PCP_MAP_OPCODE_PREF_FAIL_OPTION_LEN + \
          PCP_3RD_PARTY_OPTION_SIZE)

Definition at line 246 of file cnat_pcp_server.h.

#define PCP_DSLITE_MAP_OPCODE_MIN_UDP_LEN

Value:

( PCP_MAP_OPCODE_MIN_UDP_LEN + \
              PCP_3RD_PARTY_OPTION_SIZE)

Definition at line 241 of file cnat_pcp_server.h.

#define PCP_DSLITE_PEER_OPCODE_MIN_UDP_LEN

Value:

( PCP_PEER_OPCODE_MIN_UDP_LEN + \
              PCP_3RD_PARTY_OPTION_SIZE)

Definition at line 251 of file cnat_pcp_server.h.

#define PCP_DUMP_PACKET	(		ip,
			len
	)		pcp_hex_dump(ip, len)

Definition at line 54 of file cnat_pcp_server.h.

#define PCP_DUMP_PDATA

Value:

if(PREDICT_FALSE(cnat_pcp_debug_flag >= 100)) { \
     printf("%s:%s:%d - \n", \
           __FILE__, __FUNCTION__, __LINE__);\
     printf("src - ip = %X, proto = %d, port = %d i_vrf = %d, o_vrf = %d\n", \
      pcp_data.src_ip[3], pcp_data.proto, pcp_data.src_port, pcp_data.i_vrf,  pcp_data.o_vrf); \
     printf(" third party ip = %X\n", pcp_data.third_party_ip[3]); \
     printf("map - ip = %X, port = %d \n", \
      pcp_data.ext_ip[3], pcp_data.ext_port);\
     printf("remote - ip = %X, port = %d \n", \
      pcp_data.peer_ip[3], pcp_data.peer_port); \
     printf("req life time = %d \n", pcp_data.req_lifetime); \
     printf("drop = %d \n", pcp_data.drop);\
     printf("udp_len = %d \n", pcp_data.udp_len); \
     printf("pm = %p \n", pcp_data.pm); \
     printf("cnat_proto = %X \n", pcp_data.cnat_proto); \
     printf("inst_id = %X \n", pcp_data.inst_id); \
     printf("======================================================\n"); \
  }

Definition at line 34 of file cnat_pcp_server.h.

#define PCP_ENABLED   1

Definition at line 163 of file cnat_pcp_server.h.

#define PCP_GET_MAP_OPTION_OFFSET

(

req

)

((u8*)req + PCP_MAP_OPCODE_MIN_LEN)

Definition at line 217 of file cnat_pcp_server.h.

#define PCP_GET_PEER_OPTION_OFFSET

(

req

)

((u8*)req + PCP_PEER_OPCODE_MIN_LEN)

Definition at line 220 of file cnat_pcp_server.h.

#define PCP_INCR

(

counter

)

Definition at line 59 of file cnat_pcp_server.h.

#define PCP_MAP_OPCODE_MIN_LEN

Value:

(PCP_COMMON_HDR_LEN + \
               sizeof( pcp_map_option_specific_data_t))

Definition at line 206 of file cnat_pcp_server.h.

#define PCP_MAP_OPCODE_MIN_UDP_LEN

Value:

(PCP_MAP_OPCODE_MIN_LEN + \
                    UDP_HDR_LEN )

Definition at line 214 of file cnat_pcp_server.h.

#define PCP_MAP_OPCODE_PREF_FAIL_OPTION_LEN

Value:

(PCP_MAP_OPCODE_MIN_UDP_LEN + \
                     sizeof(pcp_prefer_fail_option_t))

Definition at line 227 of file cnat_pcp_server.h.

#define PCP_MAX_LEN   1024

Definition at line 200 of file cnat_pcp_server.h.

#define PCP_MAX_LIFETIME   0x00015180 /* 24 hours = 86400 seconds*/

Definition at line 168 of file cnat_pcp_server.h.

#define PCP_MAX_UDP_LEN   (PCP_MAX_LEN + UDP_HDR_LEN)

Definition at line 203 of file cnat_pcp_server.h.

#define PCP_MIN_LEN   PCP_COMMON_HDR_LEN

Definition at line 195 of file cnat_pcp_server.h.

#define PCP_MIN_UDP_LEN   (PCP_MIN_LEN + UDP_HDR_LEN)

Definition at line 198 of file cnat_pcp_server.h.

#define PCP_MUST_OPTION

(

option_code

)

(option_code & 0x80)

Definition at line 236 of file cnat_pcp_server.h.

#define PCP_NO_PREF_FAIL_OPTION   0

Definition at line 172 of file cnat_pcp_server.h.

#define PCP_PEER_OPCODE_MIN_LEN

Value:

(PCP_COMMON_HDR_LEN + \
               sizeof( pcp_peer_option_specific_data_t))

Definition at line 210 of file cnat_pcp_server.h.

#define PCP_PEER_OPCODE_MIN_UDP_LEN

Value:

(PCP_PEER_OPCODE_MIN_LEN + \
                                        UDP_HDR_LEN)

Definition at line 233 of file cnat_pcp_server.h.

#define PCP_PREF_FAIL_OPTION   1

Definition at line 173 of file cnat_pcp_server.h.

#define PCP_PREF_FAIL_OPTION_SIZE   sizeof(pcp_prefer_fail_option_t)

Definition at line 189 of file cnat_pcp_server.h.

#define PCP_REQ_ENTRY_PRESENT   1

Definition at line 393 of file cnat_pcp_server.h.

#define PCP_REQ_EXT_MAP_PRESENT   1

Definition at line 394 of file cnat_pcp_server.h.

#define PCP_REQ_OPCODE

(

r_opcode

)

(r_opcode & 0x7F)

Definition at line 181 of file cnat_pcp_server.h.

#define PCP_REQ_RESP_BIT   0x80

Definition at line 177 of file cnat_pcp_server.h.

#define PCP_REQ_TOTAL_LEN

(

udp

)

Value:

(udp->udp_length - \
                                 UDP_HDR_LEN)

Definition at line 224 of file cnat_pcp_server.h.

#define PCP_REQUEST

(

r_opcode

)

!(PCP_RESPONSE(r_opcode))

Definition at line 179 of file cnat_pcp_server.h.

#define PCP_RESPONSE

(

r_opcode

)

(r_opcode & PCP_REQ_RESP_BIT)

Definition at line 178 of file cnat_pcp_server.h.

#define PCP_SERVICE_DSLITE   2

Definition at line 389 of file cnat_pcp_server.h.

#define PCP_SERVICE_NAT44   1

Definition at line 388 of file cnat_pcp_server.h.

#define PCP_SERVICE_NAT64   3

Definition at line 390 of file cnat_pcp_server.h.

#define PCP_SET_CNAT_PROTO

(

proto

)

Value:

pcp_data.cnat_proto = (proto == TCP_PROT) ? CNAT_TCP: \
                      (proto == UDP_PROT)?  CNAT_UDP : CNAT_ICMP;

Definition at line 256 of file cnat_pcp_server.h.

#define PCP_SET_REQ_LIFETIME

(

)

Value:

if(pcp_data.db->flags & CNAT_DB_FLAG_STATIC_PORT) { \
            pcp_data.db->proto_data.seq_pcp.pcp_lifetime = \
            PCP_STATIC_LIFETIME; \
            pcp_data.req_lifetime = PCP_STATIC_LIFETIME; \
        } else { \
            pcp_data.db->proto_data.seq_pcp.pcp_lifetime = \
            pcp_data.req_lifetime + cnat_current_time ; \
        }

Definition at line 260 of file cnat_pcp_server.h.

#define PCP_STATIC_LIFETIME   0xFFFFFFFF

Definition at line 167 of file cnat_pcp_server.h.

#define PCP_THROTTLE_LIMIT   2

Definition at line 276 of file cnat_pcp_server.h.

#define PCP_VERSION_SUPPORTED   1

Definition at line 170 of file cnat_pcp_server.h.

#define UDP_HDR_LEN   sizeof(udp_hdr_type_t)

Definition at line 187 of file cnat_pcp_server.h.

Typedef Documentation

typedef struct pcp_3rd_party_option pcp_3rd_party_option_t

typedef struct pcp_debug_counters pcp_debug_counters_t

typedef struct pcp_map_option_specific_data pcp_map_option_specific_data_t

typedef enum pcp_opcode pcp_opcode_t

typedef struct pcp_options_hdr pcp_options_hdr_t

typedef enum pcp_options pcp_options_t

typedef struct pcp_peer_option_specific_data pcp_peer_option_specific_data_t

typedef struct pcp_pipeline_data pcp_pipeline_data_t

typedef struct pcp_prefer_fail_option pcp_prefer_fail_option_t

typedef struct pcp_request pcp_request_t

typedef struct pcp_response pcp_response_t

typedef enum pcp_result_codes pcp_result_codes_t

Enumeration Type Documentation

enum pcp_opcode

Enumerator
PCP_OPCODE_MAP
PCP_OPCODE_PEER

Definition at line 131 of file cnat_pcp_server.h.

enum pcp_options

Enumerator
PCP_OPTION_3RD_PARTY
PCP_OPTION_PREF_FAIL
PCP_OPTION_FILTER

Definition at line 138 of file cnat_pcp_server.h.

enum pcp_result_codes

Enumerator
PCP_SUCCESS
PCP_ERR_UNSUPP_VERSION
PCP_ERR_NOT_AUTHORIZED
PCP_ERR_MALFORMED_REQUEST
PCP_ERR_UNSUPP_OPCODE
PCP_ERR_UNSUPP_OPTION
PCP_ERR_MALFORMED_OPTION
PCP_ERR_NETWORK_FAILURE
PCP_ERR_NO_RESOURCES
PCP_ERR_UNSUPP_PROTOCOL
PCP_ERR_USER_EX_QUOTA
PCP_ERR_CANNOT_PROVIDE_EXTERNAL
PCP_ERR_ADDRESS_MISMATCH
PCP_ERR_EXCESSIVE_REMOTE_PEERS

Definition at line 145 of file cnat_pcp_server.h.