DESC_ALIGNMENT
DESC_ALIGNMENT;
offset = (((ulong) adapter->desc_pool.alloc_virt % DESC_ALIGNMENT) ?
(DESC_ALIGNMENT -
((ulong) adapter->desc_pool.alloc_virt % DESC_ALIGNMENT)) : 0);
(((sizeof(struct ksz_hw_desc) + DESC_ALIGNMENT - 1) /
DESC_ALIGNMENT) * DESC_ALIGNMENT);
(((sizeof(struct ksz_hw_desc) + DESC_ALIGNMENT - 1) /
DESC_ALIGNMENT) * DESC_ALIGNMENT);