netdev - Re: [PATCH net-next v2 3/9] ethtool: add a new command for reading standard stats

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Message-ID: <20210417121808.593e221d@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Sat, 17 Apr 2021 12:18:08 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ido Schimmel <idosch@...sch.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, andrew@...n.ch,
        mkubecek@...e.cz, idosch@...dia.com, saeedm@...dia.com,
        michael.chan@...adcom.com
Subject: Re: [PATCH net-next v2 3/9] ethtool: add a new command for reading
 standard stats

On Sat, 17 Apr 2021 12:15:20 -0700 Jakub Kicinski wrote:
> On Sat, 17 Apr 2021 21:53:40 +0300 Ido Schimmel wrote:
> > On Sat, Apr 17, 2021 at 11:13:51AM -0700, Jakub Kicinski wrote:  
> > > On Sat, 17 Apr 2021 10:57:42 -0700 Jakub Kicinski wrote:    
> > >
> > > FWIW ethnl_parse_bit() -> ETHTOOL_A_BITSET_BIT_NAME
> > > User space can also use raw flags like --groups 0xf but that's perhaps
> > > too spartan for serious use.    
> > 
> > So the kernel can work with ETHTOOL_A_BITSET_BIT_INDEX /
> > ETHTOOL_A_BITSET_BIT_NAME, but I was wondering if using ethtool binary
> > we can query the strings that the kernel will accept. I think not?  

Heh, I misunderstood your question. You're asking if the strings can be
queried from the command line.

No, I don't think so. We could add some form of "porcelain" command if
needed.