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| /freebsd-11-stable/sys/dev/ath/ | ||
| H A D | if_ath_rx_edma.c | diff 238436 Sat Jul 14 00:56:27 MDT 2012 adrian Change the RX EDMA path to first complete the FIFO, then re-populate it with fresh descriptors, before handling the frames. Wrap it all in the RX locks. Since the FIFO is very shallow (16 for HP, 128 for LP) it needs to be drained and replenished very quickly. Ideally, I'll eventually move this RX FIFO drain/fill into the interrupt handler, only deferring the actual frame completion. |
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