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/freebsd-10-stable/sys/dev/hyperv/netvsc/ | ||
H A D | if_hnvar.h | diff 307250 Thu Oct 13 21:02:42 MDT 2016 sephe MFC 306390-306392 306390 hyperv/hn: Suspend and resume the backend properly upon MTU change. Suspend: - Prevent the backend from being touched on TX path. - Clear the RNDIS RX filter, and wait for RX to drain. - Make sure that NVS see the chimney sending buffer and RXBUF disconnection, before unlink these buffers from the channel. Resume: - Reconfigure the RNDIS filter. - Allow TX path to work on the backend. - Kick start the TX eof task, in case the OACTIVE is set. This fixes various panics, when the interface has traffic and MTU is being changed. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8046 306391 hyperv/hn: Reorganize the synthetic parts detach. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8047 306392 hyperv/hn: Reorder the comment a little bit. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8048 |
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