On Tue, Oct 24, 2017 at 11:35 PM, Ben Pfaff <b...@ovn.org> wrote: > On Tue, Oct 24, 2017 at 02:27:59PM -0700, Ben Pfaff wrote: > > On Tue, Oct 24, 2017 at 11:07:58PM +0200, Daniel Alvarez Sanchez wrote: > > > Hi guys, > > > > > > Great job Numan! > > > As we discussed over IRC, the patch below may make more sense. > > > It essentially sets the dl_type so that when packet comes from the > > > controller, it matches > > > a valid type and OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4 is not added. > > > Maybe what Numan proposed and this patch could be a good combination > but I > > > think > > > that we definitely need to set the dl_type as it's later checked in > > > pkt_metadata_from_flow() > > > and it'll be zero there otherwise. > > > What do you guys think? I have tried the patch below and the kernel > error > > > is not shown > > > anymore when issuing DHCP requests. > > > > > > > > > diff --git a/lib/flow.c b/lib/flow.c > > > index b2b10aa..62b948f 100644 > > > --- a/lib/flow.c > > > +++ b/lib/flow.c > > > @@ -1073,6 +1073,7 @@ flow_get_metadata(const struct flow *flow, struct > > > match *flow_metadata) > > > > > > if (flow->ct_state != 0) { > > > match_set_ct_state(flow_metadata, flow->ct_state); > > > + match_set_dl_type(flow_metadata, flow->dl_type); > > > if (is_ct_valid(flow, NULL, NULL) && flow->ct_nw_proto != 0) { > > > if (flow->dl_type == htons(ETH_TYPE_IP)) { > > > match_set_ct_nw_src(flow_metadata, flow->ct_nw_src); > > > > This patch seems reasonable too. > > > > I recommend adding a comment above it to explain what's going on, > > because dl_type is not a metadata field and it's confusing to deal with > > it in a context that's supposed to be all about metadata. I guess the > > comment would essentially say that dl_type is essential to the > > interpretation of the conntrack metadata. > > Oh, and for this patch too I'd welcome a formal patch proposal. >
Done. Thanks a lot Ben. If this get merged, it would be great if we can get it into 2.8 branch and add a new tag (2.8.2). Thanks!! Daniel
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