Pyun YongHyeon 4a5c788456 Reuse the TX descriptor(DPD) if xl_encap() failed instead of just ... picking the next available one. This may explain why xl(4) sees TX underrun error with no queued frame. I hope this addresses a long standing xl(4) watchdog timeout issue as well. Obtained from: OpenBSD		2011-05-06 23:49:10 +00:00
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if_xl.c	Reuse the TX descriptor(DPD) if xl_encap() failed instead of just	2011-05-06 23:49:10 +00:00
if_xlreg.h	Updating status word should be the last operation of UPD structure	2011-05-06 22:45:13 +00:00