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/*
* Copyright (C) 2008 Delta Networks Inc.
*/
extern void NmrpConfig(void);
extern void NmrpHandler(uchar * pkt, unsigned dest, struct in_addr src_ip,
unsigned src, unsigned type);
extern int NmrpState;
extern int NmrpFwUPOption;
extern int NmrpSTUPOption;
extern int NmrpStringTableUpdateCount;
extern int NmrpStringTableUpdateIndex;
extern ulong NmrpAliveTimerStart;
extern ulong NmrpAliveTimerBase;
extern int NmrpAliveTimerTimeout;
extern ulong Nmrp_active_start;
/* NMRP codes */
enum _nmrp_codes_ {
NMRP_CODE_ADVERTISE = 0x01,
NMRP_CODE_CONF_REQ = 0x02,
NMRP_CODE_CONF_ACK = 0x03,
NMRP_CODE_CLOSE_REQ = 0x04,
NMRP_CODE_CLOSE_ACK = 0x05,
NMRP_CODE_KEEP_ALIVE_REQ = 0x06,
NMRP_CODE_KEEP_ALIVE_ACK = 0x07,
NMRP_CODE_TFTP_UL_REQ = 0x10
};
/* NMRP option types */
enum _nmrp_option_types_ {
NMRP_OPT_MAGIC_NO = 0x0001,
NMRP_OPT_DEV_IP = 0x0002,
NMRP_OPT_DEV_REGION = 0x0004,
NMRP_OPT_FW_UP = 0x0101,
NMRP_OPT_ST_UP = 0x0102,
NMRP_OPT_FILE_NAME = 0x0181
};
/* NMRP Region value */
enum _nmrp_region_values_ {
NMRP_REGION_NA = 0x0001,
NMRP_REGION_WW = 0x0002,
NMRP_REGION_GR = 0x0003,
NMRP_REGION_PR = 0x0004,
NMRP_REGION_RU = 0x0005,
NMRP_REGION_BZ = 0x0006,
NMRP_REGION_IN = 0x0007,
NMRP_REGION_KO = 0x0008,
NMRP_REGION_JP = 0x0009
};
/* NMRP REQ max retries */
enum _nmrp_req_max_retries_ {
NMRP_MAX_RETRY_CONF = 5,
NMRP_MAX_RETRY_CLOSE = 2,
NMRP_MAX_RETRY_TFTP_UL = 4
};
/* NMRP timeouts */
enum _nmrp_timeouts_ {
NMRP_TIMEOUT_REQ = 1, /* 0.5 sec */
NMRP_TIMEOUT_LISTEN = 3, /* 3 sec */
NMRP_TIMEOUT_ACTIVE = 60, /* 1 minute */
NMRP_TIMEOUT_CLOSE = 6, /* 6 sec */
NMRP_TIMEOUT_ADVERTISE = 1 /* 0.5 sec */
};
#define HEADER_LEN 0x3a
#define STATE_LISTENING 1
#define STATE_CONFIGING 2
#define STATE_TFTPWAITING 3
#define STATE_TFTPUPLOADING 4
#define STATE_CLOSING 5
#define STATE_CLOSED 6
#define STATE_KEEP_ALIVE 7
#define NMRP_HEADER_LEN 6
#define NMRP_OPT_HEADER_LEN 4
#define MAGICNO "NTGR"
#define IP_LEN 4
#define MAGIC_NO_LEN 4
#define DEV_REGION_LEN 2
#define FIRMWARE_FILENAME "firmware"
#define FIRMWARE_FILENAME_LEN 8
#define FIRMWARE_FILENAME_OPT_LEN (NMRP_OPT_HEADER_LEN + FIRMWARE_FILENAME_LEN)
#define STRING_TABLE_BITMASK_LEN 32
#define STRING_TABLE_NUMBER_MAX STRING_TABLE_BITMASK_LEN
#define STRING_TABLE_FILENAME_PREFIX "string table "
#define STRING_TABLE_FILENAME_PREFIX_LEN 13
#define STRING_TABLE_FILENAME_EXAMPLE "string table 01"
#define STRING_TABLE_FILENAME_LEN (STRING_TABLE_FILENAME_PREFIX_LEN + 2)
#define STRING_TABLE_FILENAME_OPT_LEN (NMRP_OPT_HEADER_LEN + STRING_TABLE_FILENAME_LEN)
#define NMRP_MAX_OPT_PER_MSG 6
typedef struct {
ushort type;
ushort len;
union {
uchar magicno[MAGIC_NO_LEN];
struct{
uchar addr[IP_LEN];
uchar mask[IP_LEN];
}ip;
u16 region;
u32 string_table_bitmask;
} value;
}__attribute__ ((packed)) NMRP_PARSED_OPT;
typedef struct {
ushort reserved;
uchar code;
uchar id;
ushort length;
int numOptions;
NMRP_PARSED_OPT options[NMRP_MAX_OPT_PER_MSG];
}__attribute__ ((packed)) NMRP_PARSED_MSG;
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