On Fri, Jan 18, 2002 at 10:41:58AM +0100, Harti Brandt wrote:
> On Fri, 18 Jan 2002, Ruslan Ermilov wrote:
> 
> RE>On Thu, Jan 17, 2002 at 06:58:26PM +0100, Harti Brandt wrote:
> RE>>
> RE>> Hi,
> RE>>
> RE>> how is a daemon supposed to get informed that a network interface has been
> RE>> created? I had hoped, that an RTM_IFINFO message would be created on the
> RE>> routing socket, but this is not the case. If an interface is destroyed,
> RE>> the routing socket gets a message for whatever reason. Wouldn't it be
> RE>> simple to just create an RTM_IFINFO message?
> RE>>
> RE>It does get created (you can check with the ``route -vn monitor'' command),
> RE>but please see PR kern/33747 for one small pitfall.
> 
> That's exactly what I did, but it doesn't work. The only places, that I
> can find when rt_ifmsg is called are:
> 
>       - interface goes up     (if_route)
>       - interface goes down   (if_unroute)
>       - change MTU            (if_hwioctl)
>       - prom. mode            (ifpromisc)
>       - allmulti              (if_allmulti)
> 
> No one seems to call it when I just create an interface. The RTM_IFINFO
> when I delete it probably comes from the if_unroute. The RTM_IFINFO you
> see for an ifconfig gif0 create is probably a side effect of setting the
> MTU or so.
> 
> I think it would make sense to do an rt_ifmsg somehere in
> if_attach/if_detach.
> 
OK, I will send a patch within an hour or so.  NetBSD already
has something to address this.


Cheers,
-- 
Ruslan Ermilov          Oracle Developer/DBA,
[EMAIL PROTECTED]           Sunbay Software AG,
[EMAIL PROTECTED]          FreeBSD committer,
+380.652.512.251        Simferopol, Ukraine

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