Le 15/03/2017 à 00:45, David Ahern a écrit : > On 3/14/17 5:27 PM, Stephen Hemminger wrote: >> On Tue, 14 Mar 2017 15:38:40 -0700 >> Roopa Prabhu <ro...@cumulusnetworks.com> wrote: >> >>>>>>>> That's what my initial version did, but this was discussed during >>>>>>>> NetConf in Seville >>>>>>>> and it was decided that it's best to make a global sysctl, thus the >>>>>>>> change. >>>>>>> >>>>>>> Correct, we discussed this, and we all agreed to only have a sysctl for >>>>>>> now. >>>>>> >>>>>> Why? If you are going to have private discussions please post the >>>>>> rationale >>>>>> in public. >>>>> >>>>> Stephen, is there any reason to have a per ecmp route multipath algo >>>>> selection ?. >>>>> All platforms have a global multipath selection algo. I also don't see >>>>> routing daemons ready or willing to specify a per ecmp route multipath >>>>> selection algo attribute. >>>> >>>> There is no compelling reason to make the attribute per route. But the >>>> issue is more that configuration through sysctl's is problematic. It >>>> doesn't >>>> fit into the standard API paradigm. Sysctl's are like routing patches not >>>> part of the real CLI. Trying to trap sysctl's for things like switchedev >>>> offload is particularly problematic. I can see the case for either way, >>>> and don't have a fixed opinion. >>> >>> ok. understand the switchdev offload part. It was that way in the past...but >>> today you can listen to sysctl updates on the netconf netlink channel. >>> it works pretty well. >> >> Is there another patch to add the NETCONFA_ECMP support? >> > > does userspace care? Yes, I think it is needed so that userspace can correctly monitor this behavior. It also enables to check this parameter through netlink.
Regards, Nicolas