On 09/08/2016 10:19 AM, D. Herrendoerfer wrote: > > On 08 Sep 2016, at 17:39, Stephen Hemminger <step...@networkplumber.org> > wrote: > >> On Thu, 8 Sep 2016 15:06:16 +0200 >> "D. Herrendoerfer" <d.herrendoer...@herrendoerfer.name> wrote: >> >>> Hello, >>> >>> I'd like to start a discussion if it makes sense to add an optional feature >>> >>> to the bridge MAC address learning code to generate kernel uevents for > > [SNIP] > >>> >>> I'm porting my patch (for 3.10.0) to head, and will make it available, I >>> just want some >>> >>> valuable feedback as early as possible. >>> >>> >>> Thanks, D.Herrendoerfer >> >> This should be possible by listening for netlink events. >> No need for udev interaction. > > No, there are none, not for changes to the bridge forwarding table, also this > would > require a tool to continuously listen for changes.
Wat do you expect uevent to solve here that netlink + a monitoring program can't? There is quite a bit of code in net/bridge/br_fdb.c just to deal with notifying learned/added MAC addresses, is not that where you should start adding what you are after (if that is not supported as of latest mainline)? -- Florian
