SK_FIFO_END      2583 dev/pci/if_sk.c 		SK_IF_WRITE_4(sc_if, 0, SK_RXF1_END, SK_FIFO_END);
SK_FIFO_END      2587 dev/pci/if_sk.c 		SK_IF_WRITE_4(sc_if, 0, SK_TXF1_END, SK_FIFO_END);