Messages in this thread | | | Date | Thu, 8 Aug 2019 11:43:25 -0700 | From | Jakub Kicinski <> | Subject | Re: [PATCH net-next 5/5] r8152: change rx_frag_head_sz and rx_max_agg_num dynamically |
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On Thu, 8 Aug 2019 12:16:50 +0000, Hayes Wang wrote: > Maciej Fijalkowski [mailto:maciejromanfijalkowski@gmail.com] > > Sent: Thursday, August 08, 2019 7:50 PM > > > Excuse me again. > > > I find the kernel supports the copybreak of Ethtool. > > > However, I couldn't find a command of Ethtool to use it. > > > > Ummm there's set_tunable ops. Amazon's ena driver is making use of it from > > what > > I see. Look at ena_set_tunable() in > > drivers/net/ethernet/amazon/ena/ena_ethtool.c. > > The kernel could support it. And I has finished it. > However, when I want to test it by ethtool, I couldn't find suitable command. > I couldn't find relative feature in the source code of ethtool, either.
It's possible it's not implemented in the user space tool 🤔
Looks like it got posted here:
https://www.spinics.net/lists/netdev/msg299877.html
But perhaps never finished?
It should be fairly straightforward to implement by looking at how phy-tunables are handled.
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