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author | Andriy Voskoboinyk <avos@FreeBSD.org> | 2019-01-01 23:41:16 +0000 |
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committer | Andriy Voskoboinyk <avos@FreeBSD.org> | 2019-01-01 23:41:16 +0000 |
commit | 387c3f1495bafb37826674d8cde1729197dbb4af (patch) | |
tree | c124ef285325c2f045445f00022b6e812321ae65 /sys/dev/rtwn | |
parent | 45a18a1fe3d111f88148851071d1d5c378d2d481 (diff) | |
download | src-387c3f1495bafb37826674d8cde1729197dbb4af.tar.gz src-387c3f1495bafb37826674d8cde1729197dbb4af.zip |
rtwn_pci: fix excessive packet loss on Tx with RTL8188EE.
Use proper flags for bus_dmamap_sync() in Tx path.
Tested with: RTL8188EE, STA mode
MFC after: 4 days
Notes
Notes:
svn path=/head/; revision=342672
Diffstat (limited to 'sys/dev/rtwn')
-rw-r--r-- | sys/dev/rtwn/pci/rtwn_pci_tx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/rtwn/pci/rtwn_pci_tx.c b/sys/dev/rtwn/pci/rtwn_pci_tx.c index b450e4ee9f67..434e0488a9d1 100644 --- a/sys/dev/rtwn/pci/rtwn_pci_tx.c +++ b/sys/dev/rtwn/pci/rtwn_pci_tx.c @@ -174,8 +174,8 @@ rtwn_pci_tx_start_frame(struct rtwn_softc *sc, struct ieee80211_node *ni, rtwn_dump_tx_desc(sc, txd); bus_dmamap_sync(ring->desc_dmat, ring->desc_map, - BUS_DMASYNC_POSTWRITE); - bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE); + BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); + bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); data->m = m; data->ni = ni; |