HP B2355-90138 manual LLA Example Program

Page 35

LLA and DLPI Example Programs

LLA Example Program

/* Copy the address to ret_addr */

memcpy(ret_addr, (caddr_t)ctrl_buf.value.s, 6);

}

/**************************************************************************** Set the destination MAC and SAP address.

****************************************************************************/

void

set_dst_address(fd, dest_addr, dsap, length)

int fd;/* file descriptor */ caddr_t dest_addr;/* return local address here */

int

dsap;/* destination sap */

int

length;/* destination sap length */

{

ctrl_buf.reqtype = LOG_DEST_ADDR; ctrl_buf.vtype = 6; memcpy((caddr_t)ctrl_buf.value.s, dest_addr, 6);

/* send the LOG_DEST_ADDR request. LLA will return success or

failure when the ioctl completes, so there is no need to wait for an acknowledgement.

*/

put_ctrl(fd, NETCTRL);

/* Only log sap addresses, SNAP addresses do not need to be logged twice.

*/

if (length == INTEGERTYPE) { ctrl_buf.reqtype = LOG_DSAP; ctrl_buf.vtype = INTEGERTYPE; ctrl_buf.value.i = dsap; put_ctrl(fd, NETCTRL);

}

}

/**************************************************************************** bind to a SNAP sap.

****************************************************************************/

void

bind_snap(fd, snapsap)

int fd;

u_char *snapsap;

{

/* Fill in SNAP req */

ctrl_buf.reqtype = LOG_SNAP_TYPE; ctrl_buf.vtype = 5; memcpy((caddr_t)ctrl_buf.value.s, snapsap, 5);

/* send the SNAP request. */ put_ctrl(fd, NETCTRL);

}

Chapter 2

35

Image 35
Contents LLA to Dlpi Migration Guide Legal Notices Page Page Contents Contents Printing History Page Preface Page LLA to Dlpi Migration LLA to Dlpi Migration Device Files LLA ioctl req type Dlpi Primitive Ioctl RequestsLogreadtimeout Transmitting Data Receiving Data Receiving Data LLA and Dlpi Example LLA and Dlpi Example Programs Snap SAP Dlpi Example ProgramStruct strbuf databuf = Dlpi Example Program Dlpi Example Program Dlpi Example Program Dlpi Example Program Dlpi Example Program Dlpi Example Program Dlpi Example Program Dlpi Example Program Dlpi Example Program LLA Example Program LLA Example Program LLA Example Program LLA Example Program LLA Example Program LLA Example Program LLA Example Program LLA Example Program LLA Example Program Index