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Subject: Re: [virtio-dev] [RFC virtio-net 1/1] content: net: Add VIRTIO_NET_F_CTRL_RSS feature
On 3/19/2018 6:33 AM, Sameeh Jubran
wrote:
Do we still expect efficiency (distribution of traffic among CPUs) in case of single queue by having RSS (in host software)? I asked Sameeh privately and asking here again. Is compatibility maintained if we introduce a new field to virtio_net_hdr? Should above be bit field? I mean first two are fine, should ..SYMMETRIC should be 4 (0x4) Otherwise description "Zero or more flags of the RSS_HASH_FUNCTION flags MUST be used to fill the field hash_function" below wouldn't be correct. I'm new here, hence my question: Is array size typically described like above in virtio spec? And with #define constant in implementation? Thanks, Vijay
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