rumble@NetBSD.org wrote:

> Module Name:	src
> Committed By:	rumble
> Date:		Sat Dec 23 21:24:32 UTC 2006
> 
> Modified Files:
> 	src/sys/dev/pci: if_tl.c
> 
> Log Message:
> The Set Engineering GIO board for sgimips (IP22) sits behind a special
> bridge that precludes the ThunderLAN's DMA engine from performing segment
> transfers across page boundaries. Add logic under #ifdef TL_SETENG_GFE to
> split up these segment transfers appropriately.

- This #ifdef should be replaced by prop_dictionary
  (see dev/pci/ahc_pci.c and sgimips/autoconf.c)
- I think this boundary restriction could be handled by an arg of
  bus_dmamap_create(9) and you don't have to split segments manually
---
Izumi Tsutsui