WPI_RX_WIDX      1484 dev/pci/if_wpi.c 	WPI_WRITE(sc, WPI_RX_WIDX, hw & ~7);
WPI_RX_WIDX      2808 dev/pci/if_wpi.c 	WPI_WRITE(sc, WPI_RX_WIDX, (WPI_RX_RING_COUNT - 1) & ~7);