eth_rx_sge
#define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
struct eth_rx_sge *rx_sge_ring;
struct eth_rx_sge *sge;
struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
(0xFFFF - ((PAGE_SIZE/((STRUCT_SIZE(eth_rx_sge))/8))-1))
#define U_ETH_SGES_PER_PAGE (PAGE_SIZE/(STRUCT_SIZE(eth_rx_sge)/8))