Date: Sat, 24 Feb 2018 13:37:49 +0100 From: Andreas Longwitz <longwitz@incore.de> To: Eugene Grosbein <eugen@grosbein.net> Cc: freebsd-net@freebsd.org Subject: Re: loopback routes pinned by commit r326012 for FreeBSD 10 cannot be deleted Message-ID: <5A915C9D.7020000@incore.de> In-Reply-To: <5A90E679.3030106@grosbein.net> References: <5A9075CB.10408@incore.de> <5A90E679.3030106@grosbein.net>
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> Please test the follwoind patch for the kernel: > > --- sys/net/if.c.orig 2018-02-24 08:00:34.578670000 +0700 > +++ sys/net/if.c 2018-02-24 11:07:57.014318000 +0700 > @@ -1699,7 +1699,7 @@ ifa_del_loopback_route(struct ifaddr *if > null_sdl.sdl_type = ifa->ifa_ifp->if_type; > null_sdl.sdl_index = ifa->ifa_ifp->if_index; > bzero(&info, sizeof(info)); > - info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC; > + info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC | RTF_PINNED; > info.rti_info[RTAX_DST] = ia; > info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&null_sdl; > error = rtrequest1_fib(RTM_DELETE, &info, NULL, ifa->ifa_ifp->if_fib); > This patch patch solves the problem for "ifconfig fxp0 delete": now the kernel removes the loopback route, tested on FreeBSD 10 r328260. But deleting the loopback route manually does not work anymore, is this intended behaviour ? I would like to control the routing table as much as possible. Andreas Longwitz
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