ill_hcksum_capab_t
ill_hcksum_capab_t *ill_hcksum_capab; /* H/W cksumming capabilities */
ill_hcksum_capab_t **ill_hcksum;
ill_hcksum = (ill_hcksum_capab_t **)&ill->ill_hcksum_capab;
*ill_hcksum = kmem_zalloc(sizeof (ill_hcksum_capab_t),
kmem_free(ill->ill_hcksum_capab, sizeof (ill_hcksum_capab_t));