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/*
* Header file for the tcp6 tool
*
*/
/* Constants used for specification of TCP connection establishment */
#define OPEN_PASSIVE 1
#define OPEN_SIMULTANEOUS 2
#define OPEN_ABORT 3
#define OPEN_ACTIVE 4
/* Constants used for specification of TCP connection termination */
#define CLOSE_ACTIVE 1
#define CLOSE_PASSIVE 2
#define CLOSE_SIMULTANEOUS 3
#define CLOSE_ABORT 4
#define CLOSE_FIN_WAIT_1 5
#define CLOSE_FIN_WAIT_2 6
#define CLOSE_LAST_ACK 7
/* Constants for TCP window operation */
#define WIN_CLOSED 1
#define WIN_MODULATE 2
#define WIN_MODULATE_CLOSED_SIZE 0
#define WIN_MODULATE_CLOSED_LEN 60
#define WIN_MODULATE_OPEN_SIZE 10
#define WIN_MODULATE_OPEN_LEN 30
#define TCP_RTO 1
/* Constants for specifying the TCP connection state */
#define TCP_CLOSED 1
#define TCP_LISTEN 2
#define TCP_SYN_SENT 3
#define TCP_SYN_RECV 4
#define TCP_ESTABLISHED 5
#define TCP_FIN_WAIT_1 6
#define TCP_FIN_WAIT_2 7
#define TCP_CLOSE_WAIT 8
#define TCP_LAST_ACK 9
#define TCP_CLOSING 10
#define TCP_TIME_WAIT 11
/* Constants for debug mode */
#define PROBE_DUMP 1
#define PROBE_SCRIPT 2
/* Constants for TCP buffers */
#define TCP_BUFFER_SIZE 65535
#define TCP_INPUT_BUFFER_SIZE TCP_BUFFER_SIZE
#define TCP_OUTPUT_BUFFER_SIZE TCP_BUFFER_SIZE
struct tcp_queue{
unsigned char data[TCP_BUFFER_SIZE];
unsigned char *in;
unsigned char *out;
unsigned int size;
/* unsigned int data; */
unsigned int free;
};
struct tcp{
struct in6_addr srcaddr;
struct in6_addr dstaddr;
uint16_t srcport;
uint16_t dstport;
struct tcp_queue in;
uint32_t rcv_nxt;
uint32_t rcv_nxtwnd;
struct tcp_queue out;
unsigned char *out_una;
unsigned char *out_nxt; /* una nxt */
uint32_t snd_una;
uint32_t snd_nxt;
uint32_t snd_nxtwnd;
uint32_t snd_seq; /* TCP seq to use for outgoing segments (for RSTs) */
uint32_t snd_wl1;
uint32_t snd_wl2;
unsigned char fin_flag;
uint32_t fin_seq;
struct timeval time;
unsigned int state;
unsigned int open;
unsigned int close;
uint8_t flags;
uint32_t ack;
uint32_t win;
unsigned int fbytes;
unsigned char pending_write_f;
unsigned int rto;
};
#define SEQ_LT(a,b) ((int)((a)-(b)) < 0)
#define SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0)
#define SEQ_GT(a,b) ((int)((a)-(b)) > 0)
#define SEQ_GEQ(a,b) ((int)((a)-(b)) >= 0)
#define SEQ_EQ(a,b) ((int)((a)-(b)) == 0)
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