struct iso88025_sockaddr_data {

	u_char ether_dhost[ISO88025_ADDR_LEN];

	u_char ether_shost[ISO88025_ADDR_LEN];

	u_char ac;

	u_char fc;

};

/*

 * Structure of a 48-bit iso 802.5 address.

 *  ( We could also add the 16 bit addresses as a union)

 */

struct	iso88025_addr {

	u_char octet[ISO88025_ADDR_LEN];

};

#define ISO88025_MAX_MTU	18000

#define ISO88025_DEFAULT_MTU	1500

#define senderr(e) { error = (e); goto bad;}

void	iso88025_ifattach __P((struct ifnet *));

int	iso88025_ioctl __P((struct ifnet *, int , caddr_t ));

int	iso88025_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));

void	iso88025_input __P((struct ifnet *, struct iso88025_header *, struct mbuf *));