#ifndef SWP_H
#define SWP_H

typedef u_char SeqNum;

typedef struct FrameHdr {
    u_char	type;		// SSWP_DATA or SSWP_ACK
    SeqNum	seq;		// sequence number
    u_char	size;		// size of payload
    u_char	flags;		// see below
} FrameHdr;


#define TYPE_DATA	0x8A
#define TYPE_ACK	0xFE

#define FLAG_END	0x1

#define MAX_BODY	256	// Don't change this; depends on size above

typedef struct Frame {
    FrameHdr	hdr;		// Frame header
    u_char	body[256];	// Body
} Frame;

#endif