Bryan Venteicher 32487a8973 Rework when the Tx queue completion interrupt is enabled ... The Tx interrupt is now kept disabled in the common case, only enabled when the number of free descriptors in the queue falls below a threshold. Transmitted frames are cleared from the VQ before subsequent transmit, or in the watchdog timer. This was a very big performance improvement for an experimental Netmap bhyve backend. MFC after: 1 month		2014-07-10 05:36:04 +00:00
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if_vtnet.c	Rework when the Tx queue completion interrupt is enabled	2014-07-10 05:36:04 +00:00
if_vtnetvar.h	Rework when the Tx queue completion interrupt is enabled	2014-07-10 05:36:04 +00:00
virtio_net.h	Sync VirtIO net device header file from recent Linux	2013-09-01 04:23:54 +00:00