MVNETA_DA_FILT_SPEC_MCAST
mvreg_write(pp, MVNETA_DA_FILT_SPEC_MCAST + offset, val);
smc_table_reg = mvreg_read(pp, (MVNETA_DA_FILT_SPEC_MCAST
mvreg_write(pp, MVNETA_DA_FILT_SPEC_MCAST + tbl_offset * 4,