diff options
author | Johannes Berg <johannes.berg@intel.com> | 2013-05-27 11:30:49 (GMT) |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2013-05-27 11:30:49 (GMT) |
commit | 09e1a79ac03d643960c96314d20a904b39b89a80 (patch) | |
tree | 8fe7d740f4e8d08a4159a710dd5c6cdc15a85c16 /drivers/net/wireless/b43/dma.c | |
parent | 071d4990fd9fe6fe27b47f1587ba11db3111c3fd (diff) | |
parent | a87783699b23395c46bbeeb5d28f6db24897bf26 (diff) | |
download | linux-09e1a79ac03d643960c96314d20a904b39b89a80.tar.xz |
Merge remote-tracking branch 'iwlwifi-fixes/master' into HEAD
Conflicts:
drivers/net/wireless/iwlwifi/mvm/ops.c
Diffstat (limited to 'drivers/net/wireless/b43/dma.c')
-rw-r--r-- | drivers/net/wireless/b43/dma.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 523355b..f7c70b3 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -1728,6 +1728,25 @@ drop_recycle_buffer: sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize); } +void b43_dma_handle_rx_overflow(struct b43_dmaring *ring) +{ + int current_slot, previous_slot; + + B43_WARN_ON(ring->tx); + + /* Device has filled all buffers, drop all packets and let TCP + * decrease speed. + * Decrement RX index by one will let the device to see all slots + * as free again + */ + /* + *TODO: How to increase rx_drop in mac80211? + */ + current_slot = ring->ops->get_current_rxslot(ring); + previous_slot = prev_slot(ring, current_slot); + ring->ops->set_current_rxslot(ring, previous_slot); +} + void b43_dma_rx(struct b43_dmaring *ring) { const struct b43_dma_ops *ops = ring->ops; |