bce_rx_buf
rxr->rx_bufs = kmalloc(sizeof(struct bce_rx_buf) * TOTAL_RX_BD(rxr),
struct bce_rx_buf *rx_buf;
const struct bce_rx_buf *rx_buf;
struct bce_rx_buf *rx_buf = &rxr->rx_bufs[i];
struct bce_rx_buf *rx_buf;
struct bce_rx_buf *rx_bufs; /* TOTAL_RX_BD */