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4 Commits

Author SHA1 Message Date
tsutsui 2f456b8f00 Make sure to initialize the all Rx descriptors properly in sonic_init() 
even if mbuf for them are already allocated.
This fixes "receive descriptor exhausted" errors.
 2001-07-23 16:33:48 +00:00
thorpej 623f83a793 Use BUS_DMA_READ and BUS_DMA_WRITE in some obvious places. 2001-07-19 16:25:23 +00:00
thorpej 5c0f65ea82 Do a little manual CSE, taking unneeded comparisons out of loops, 
and shrinking the object code somewhat.  On an R4400:

Before:
text    data    bss     dec     hex     filename
16248   16      0       16264   3f88    dp83932.o

Before:
text    data    bss     dec     hex     filename
14424   16      0       14440   3868    dp83932.o
 2001-07-05 15:02:27 +00:00
thorpej b7ea2efc25 A new DP83932 ``SONIC'' driver, which uses bus_dma(9) and does I/O 
directly to mbufs.  Handles both 32-bit and 16-bit, big- and little-
endian configurations of the chip (we could squeeze out some conditionals
yet, though).
 2001-07-05 14:37:41 +00:00