NFP_FLOWER_MASK_ENTRY_RS
if (CIRC_SPACE(ring->head, ring->tail, NFP_FLOWER_MASK_ENTRY_RS) == 0)
ring->head = (ring->head + 1) & (NFP_FLOWER_MASK_ENTRY_RS - 1);
freed_id = NFP_FLOWER_MASK_ENTRY_RS - 1;
ring->tail = (ring->tail + 1) & (NFP_FLOWER_MASK_ENTRY_RS - 1);
kmalloc_array(NFP_FLOWER_MASK_ENTRY_RS,
priv->mask_ids.init_unallocated = NFP_FLOWER_MASK_ENTRY_RS - 1;
NFP_FLOWER_MASK_ENTRY_RS);