MAX_DESC_PER_RING_RX
void *virt[MAX_DESC_PER_RING_RX];
u32 bus_high[MAX_DESC_PER_RING_RX];
u32 bus_low[MAX_DESC_PER_RING_RX];
void *mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
dma_addr_t mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];