DLC_DEL_GRP ioctl Operation for DLC

Communications Technical Reference, Volume 1

DLC_DEL_GRP ioctl Operation for DLC

The following parameter removes a previously defined group or multicast address:

struct dlc_add_grp
   {
    ulong_t gdlc_sap_corr; /*GDLC SAP correlator  */
    ulong_t grpaddr_len;            /*group address length  */
    ulong_t grp_addr[DLC_MAX_ADDR]; /*group address to be removed  */
   };

The fields of this ioctl operation are:

`gdlc_sap_corr`	Indicates the generic data link control (GDLC) service access point (SAP) identifier being requested to remove a group or multicast address from a port. This field is known as the GDLC SAP Correlator field.
`grp_addr_len`	Contains the byte length of the group or multicast address to be removed.
`grp_addr`	Contains the group or multicast address to be removed.

Implementation Specifics

The DLC_DEL_GRP ioctl operation is selectable through the fp_ioctl kernel service or the ioctl subroutine. It can be called from the process environment only.