LIST_DESCRIBER
LIST_DESCRIBER used_list;
LIST_DESCRIBER free_list;
LIST_DESCRIBER recv_list;
LIST_DESCRIBER free_list;
LIST_DESCRIBER recycle_list;
LIST_DESCRIBER pending_list;
LIST_DESCRIBER pending_list;
static int e1000g_fill_tx_ring(e1000g_tx_ring_t *, LIST_DESCRIBER *,
e1000g_fill_tx_ring(e1000g_tx_ring_t *tx_ring, LIST_DESCRIBER *pending_list,