Sepherosa Ziehau 21640df213 hyperv/hn: Add multiple channel support, a.k.a. vRSS ... Each channel contains one RX ring and one TX ring. And we try to distribute the channels to different evenly. Note: Currently we don't have enough information to extract the RSS type and RSS hash value from the received packets. This greatly improves the TX/RX performance for 8 virtual CPU Hyper-V over 10Ge: it can max out 10Ge for TCP when multiple RX/TX rings are enabled. This almost doubles the TX/RX performance for locally connected Hyper-Vs: was 6Gbps w/ 128 TCP streams, now 11Gbps w/ multiple RX/TX rings enabled. It is not enabled by default; it will be switched on after more tests. Collaborated with: Hongjiang Zhang <honzhan microsoft com> MFC after: 2 week Sponsored by: Microsoft OSTC		2016-03-04 06:52:11 +00:00
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hyperv.h	hyperv/hn: Add multiple channel support, a.k.a. vRSS	2016-03-04 06:52:11 +00:00