Date: Sun, 16 Aug 2020 11:21:14 +0200 From: Andreas Nilsson <andrnils@gmail.com> To: "Alexander V. Chernikov" <melifaro@ipfw.ru> Cc: net <net@freebsd.org>, freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Re: ip(8) in base Message-ID: <CAPS9%2BSvQbiQKR3gOD-nyWy0dSoavZDaLGUu7BdXbP43ePh=h8Q@mail.gmail.com> In-Reply-To: <1634721597568903@mail.yandex.ru> References: <1634721597568903@mail.yandex.ru>
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On Sun, Aug 16, 2020 at 11:11 AM Alexander V. Chernikov <melifaro@ipfw.ru> wrote: > I want to introduce ip(8) or something similar in base. > Basically, I need some userland tool to explicitly operates on nexthops, > nexthop groups and fib lookup algorithms. > > The existing tools are not well suited for the job: route(8) may be a > candidate, but (a) it would either add another bunch of options or > drastically change the tool by introducing [route nhop add], [route nhgro= up > add] and (b) listing is traditionally done by netstat(8). > > I feel like there is a need of some cli tool that provides the ability to > easily extend it by having separate namespaces for each sub-command (hell= o, > ifconfig). > > Naming is hard. I can, for example, use "rt" as a name to address my use > cases. > However, given the kernel interfaces for managing nexthops/nexhop groups > are the same as with routes/arp/ndp, why not spending some additional tim= e > and support operating on routes and neighbors and name it ip? > > Though, that arises multiple questions. > Are we comfortable with ip(8) as a name in general? > If we are, what=E2=80=99s our take on having the compatible interface wit= h Linux > ip(8)? > > Any comments/feedback is welcome :-) > > > Appendix > List of commands I need implemented > > cmd [-46m] nhop create [gw XX] [iface YYY] [mtu YYY] [reject] [proxyfib Y= ] > [fib X][ipv4] [ipv6] > cmd [-46m] nhop delete nhop_id > cmd -46m nhop list > cmd -j nhop list # json > > cmd -46m nhgroup create nhops 1,2,3,4,5,6 [fib X] > cmd -46 nhgroup create nhops 1=3D100,2=3D100,3=3D200,4=3D100 [proxyfib Y]= [fib X] > cmd -46 nhroup list > cmd -46 nhgroup delete nhgroup_id > > cmd -46 fib algo list > cmd -46 fib algo set algo dpdk_lpm6 fib 0 > cmd -46 fib algo set algo auto fib 0 > > > /Alexander > > Seems like a good cli util to have. I personally don't like the name ip, to generic, and conflict with ip in linux. I think a somewhat more appropriate name would be ipctl. One might also look to naming and perhaps functionality like opensolaris had, with dladm, ipadm and so on. Best regards Andreas
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