SELF_ID_ZERO_GAP_COUNT_MASK
return (quadlet & SELF_ID_ZERO_GAP_COUNT_MASK) >> SELF_ID_ZERO_GAP_COUNT_SHIFT;
*quadlet &= ~SELF_ID_ZERO_GAP_COUNT_MASK;
*quadlet |= (gap_count << SELF_ID_ZERO_GAP_COUNT_SHIFT) & SELF_ID_ZERO_GAP_COUNT_MASK;
((((const u32 *)quads)[0] & SELF_ID_ZERO_GAP_COUNT_MASK) >> SELF_ID_ZERO_GAP_COUNT_SHIFT)