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From: Alex Lyashkov <shadow@psoft.net>
To: Maksim Yevmenkin <maksim.yevmenkin@savvis.net>
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Date: Sat, 07 Aug 2004 10:06:17 +0300
cc: hackers@freebsd.org
cc: cokane@cokane.org
Subject: Re: Network interface RUNNING and UP flags
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=F7 =F3=C2=D4, 07.08.2004, =D7 01:07, Maksim Yevmenkin =D0=C9=DB=C5=D4:
> > 2) Is there a way to set this interface flag without assigning an IPv4
> > address (or any address for that matter) first?
> >=20
> > Mainly for number two, I would like to be able to run interfaces
> > bridged together without having to also give all of them addresses.
>=20
> please try the attached (untested!) patch. it should set iff_running=20
> flag on the interface as soon as the control device is opened.
>=20
> max
> =20
>  	bcopy(tp->arpcom.ac_enaddr, tp->ether_addr, sizeof(tp->ether_addr));
>  	tp->tap_pid =3D td->td_proc->p_pid;
>  	tp->tap_flags |=3D TAP_OPEN;
+	tp->tap_if.if_flags |=3D IFF_RUNNING;
+	tp->tap_if.if_flags &=3D ~IFF_OACTIVE;
>=20
>  	mtx_unlock(&tp->tap_mtx);
not better move this under tp->tap_mtx mutex without using splX
functions?

--=20
Alex Lyashkov <shadow@psoft.net>
PSoft