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openbsd_network: Use the new bus_dmamap_sync_etc.

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This preserves the semantics of partial syncs. Unfortunately in my
testing it does not seem to improve the packet loss I was seeing...
This commit is contained in:
Augustin Cavalier
2022-07-01 23:16:28 -04:00
parent b12b802c4d
commit e0a405d765
1 changed files with 9 additions and 3 deletions
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src/libs/compat/openbsd_network/compat/machine/bus.h
+9 -3
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@@ -18,6 +18,7 @@ struct bus_dmamap_obsd {
bus_dmamap_t _dmamp;
int _error;
bus_size_t dm_mapsize;
int dm_nsegs;
bus_dma_segment_t dm_segs[];
};
@@ -75,6 +76,7 @@ bus_dmamap_load_obsd(bus_dma_tag_t tag, bus_dmamap_t dmam, void *buf, bus_size_t
bus_dmamap_load_obsd_callback, dmam, flags | BUS_DMA_NOWAIT);
if (error != 0)
return error;
dmam->dm_mapsize = buflen;
return dmam->_error;
}
#define bus_dmamap_load bus_dmamap_load_obsd
@@ -83,6 +85,7 @@ bus_dmamap_load_obsd(bus_dma_tag_t tag, bus_dmamap_t dmam, void *buf, bus_size_t
static int
bus_dmamap_load_mbuf_obsd(bus_dma_tag_t tag, bus_dmamap_t dmam, struct mbuf *chain, int flags)
{
dmam->dm_mapsize = chain->m_pkthdr.len;
return bus_dmamap_load_mbuf_sg(dmam->_dmat, dmam->_dmamp, chain,
dmam->dm_segs, &dmam->dm_nsegs, flags);
}
@@ -93,16 +96,19 @@ static void
bus_dmamap_unload_obsd(bus_dma_tag_t tag, bus_dmamap_t dmam)
{
bus_dmamap_unload(dmam->_dmat, dmam->_dmamp);
dmam->dm_mapsize = 0;
dmam->dm_nsegs = 0;
}
#define bus_dmamap_unload bus_dmamap_unload_obsd
static void
bus_dmamap_sync_obsd(bus_dma_tag_t tag, bus_dmamap_t dmam, int ops)
bus_dmamap_sync_obsd(bus_dma_tag_t tag, bus_dmamap_t dmam,
bus_addr_t offset, bus_size_t length, int ops)
{
bus_dmamap_sync(dmam->_dmat, dmam->_dmamp, ops);
bus_dmamap_sync_etc(dmam->_dmat, dmam->_dmamp, offset, length, ops);
}
#define bus_dmamap_sync(tag, dmam, offset, size, ops) bus_dmamap_sync_obsd(tag, dmam, ops)
#define bus_dmamap_sync bus_dmamap_sync_obsd
#endif /* _OBSD_COMPAT_MACHINE_BUS_H_ */