BNX2_MAX_RX_RINGS
bp->rx_max_ring = bnx2_find_max_ring(size, BNX2_MAX_RX_RINGS);
#define BNX2_MAX_TOTAL_RX_DESC_CNT (BNX2_MAX_RX_DESC_CNT * BNX2_MAX_RX_RINGS)
struct bnx2_rx_bd *rx_desc_ring[BNX2_MAX_RX_RINGS];
dma_addr_t rx_desc_mapping[BNX2_MAX_RX_RINGS];