That's too vague for me to guess. What packets are getting lost?
On Thu, Jul 23, 2015 at 04:10:14PM -0700, Xuemei Liu wrote: > Hi, Ben, > > I tried your method, but the switch seems to drop some packets, as it does > not output the expected packets that I forward to send to it. Any advice? > > Thanks, > Xuemei > > On Thu, Jul 23, 2015 at 10:19 AM, Xuemei Liu <lxuemei3...@gmail.com> wrote: > > > Hi, Ben, > > > > Thanks for your response. > > "You realize that this will be terrible for performance, right?" > > In fact, I have not got all packets sent to user space. That is the > > problem I am facing now. I think performance might be another problem after > > I can receive all packet in user space. > > > > Thanks, > > Xuemei > > > > On Thu, Jul 23, 2015 at 10:13 AM, Ben Pfaff <b...@nicira.com> wrote: > > > >> On Thu, Jul 23, 2015 at 10:04:23AM -0700, Xuemei Liu wrote: > >> > I am new to ovs, and I am trying to send all packets from kernel space > >> to > >> > user space. I comment the "unlikely(!flow)" in datapath/datapath.c. > >> > However, it seems I just receive the first packet of each flow (the > >> first > >> > packet that match one forwarding rule in the bridge) in user space. > >> Could > >> > anyone tell me why? and is there other way to achieve my goal? > >> > >> You realize that this will be terrible for performance, right? > >> > >> It's kind of a waste to modify the kernel module for this. I'd just > >> modify userspace to send all packets to userspace, something like this: > >> > >> diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c > >> index 52395a7..a98406a 100644 > >> --- a/ofproto/ofproto-dpif-xlate.c > >> +++ b/ofproto/ofproto-dpif-xlate.c > >> @@ -4777,7 +4777,7 @@ xlate_actions(struct xlate_in *xin, struct > >> xlate_out *xout) > >> > >> ctx.xin = xin; > >> ctx.xout = xout; > >> - ctx.xout->slow = 0; > >> + ctx.xout->slow = SLOW_ACTION; > >> ctx.xout->has_learn = false; > >> ctx.xout->has_normal = false; > >> ctx.xout->has_fin_timeout = false; > >> > > > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
