glebius 0c6bbde2f7 Since BGE_MBX_TX_HOST_PROD0_LO register is write-only to software, ... we can cache its value in the softc. Eliminates one PCI register write per call to bge_start(). A 1.8% speedup for UDP_RR test on my old box. Obtained from: NetBSD(jonathan) via delphij		2005-12-18 20:26:12 +00:00
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if_bge.c	Since BGE_MBX_TX_HOST_PROD0_LO register is write-only to software,	2005-12-18 20:26:12 +00:00
if_bgereg.h	Since BGE_MBX_TX_HOST_PROD0_LO register is write-only to software,	2005-12-18 20:26:12 +00:00