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Date: Fri, 17 Jul 2020 10:15:23 -0700 From: Stephen Hemminger <stephen@...workplumber.org> To: David Miller <davem@...emloft.net> Cc: haiyangz@...rosoft.com, Song.Chi@...rosoft.com, kys@...rosoft.com, sthemmin@...rosoft.com, wei.liu@...nel.org, kuba@...nel.org, ast@...nel.org, daniel@...earbox.net, kafai@...com, songliubraving@...com, yhs@...com, andriin@...com, john.fastabend@...il.com, kpsingh@...omium.org, linux-hyperv@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [PATCH net-next] net: hyperv: Add attributes to show RX/TX indirection table On Fri, 17 Jul 2020 09:55:35 -0700 (PDT) David Miller <davem@...emloft.net> wrote: > From: Haiyang Zhang <haiyangz@...rosoft.com> > Date: Fri, 17 Jul 2020 16:18:11 +0000 > > > Also in some minimal installation, "ethtool" may not always be > > installed. > > This is never an argument against using the most well suited API for > exporting information to the user. > > You can write "minimal" tools that just perform the ethtool netlink > operations you require for information retrieval, you don't have to > have the ethtool utility installed. Would it be better in the long term to make the transmit indirection table available under the new rt_netlink based API's for ethtool? I can imagine that other hardware or hypervisors might have the same kind of transmit mapping. Alternatively, the hyperv network driver could integrate/replace the indirection table with something based on current receive flow steering.
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