On Tue, Jul 14, 2015 at 07:57:32PM +0200, Martin Pieuchot wrote:
> On 07/07/15(Tue) 18:02, Martin Pieuchot wrote:
> > Maybe not yet but at least I'd like to do the ARP request a bit later.
> >
> > We create a RTF_LOCAL route entry for every configured address. So
> > use this information to emit a "who-has" for the configured address.
> >
> > This also has the advantage of *not* sending an ARP request if
> > something wrong happens between the SIOCSIFADDR ioctl and the
> > RTF_LOCAL route creation.
>
> Anybody?
>
OK claudio@
> > Ok?
> >
> > Index: netinet/if_ether.c
> > ===================================================================
> > RCS file: /cvs/src/sys/netinet/if_ether.c,v
> > retrieving revision 1.157
> > diff -u -p -r1.157 if_ether.c
> > --- netinet/if_ether.c 7 Jul 2015 14:22:25 -0000 1.157
> > +++ netinet/if_ether.c 7 Jul 2015 15:56:15 -0000
> > @@ -196,8 +196,11 @@ arp_rtrequest(int req, struct rtentry *r
> > if ((rt->rt_flags & RTF_CLONING) != 0)
> > break;
> > }
> > - /* Announce a new entry if requested. */
> > - if (rt->rt_flags & RTF_ANNOUNCE)
> > + /*
> > + * Announce a new entry if requested or warn the user
> > + * if another station has this IP address.
> > + */
> > + if (rt->rt_flags & (RTF_ANNOUNCE|RTF_LOCAL))
> > arprequest(ifp,
> > &satosin(rt_key(rt))->sin_addr.s_addr,
> > &satosin(rt_key(rt))->sin_addr.s_addr,
> > @@ -850,12 +853,6 @@ arpproxy(struct in_addr in, u_int rdomai
> > void
> > arp_ifinit(struct arpcom *ac, struct ifaddr *ifa)
> > {
> > -
> > - /* Warn the user if another station has this IP address. */
> > - arprequest(&ac->ac_if,
> > - &satosin(ifa->ifa_addr)->sin_addr.s_addr,
> > - &satosin(ifa->ifa_addr)->sin_addr.s_addr,
> > - ac->ac_enaddr);
> > ifa->ifa_rtrequest = arp_rtrequest;
> > }
> >
> >
>
--
:wq Claudio
