Re: [ovs-discuss] Is there an option to disable metadata propagation on patch ports?

On Thu, Apr 05, 2018 at 07:31:35PM +0200, Alan Kayahan wrote: > OVS patch ports allow the propagation of the metadata (e.g. flow context) > across the connected switches. > > Is there an option to disable the metadata propagation feature? I need this > for my research to benchmark certain

[ovs-discuss] About getting processing delay

Hi I'm interested to measure the delays associated with flow table matching. how can I get time of entrance and exit of a packet in OVS? Given that packets are not control message so no packet in will occur to the Ryu Controller. I'm using mininet, openflow 1.3, OVS and Ryu Controller. Thanking

[ovs-discuss] Is there an option to disable metadata propagation on patch ports?

Hello, OVS patch ports allow the propagation of the metadata (e.g. flow context) across the connected switches. Is there an option to disable the metadata propagation feature? I need this for my research to benchmark certain behavior. Or patch ports become nothing but veth pairs when this

Re: [ovs-discuss] Is there an option to disable metadata propagation on patch ports?

Thatis my question and theory :) How can I see that? Can you point me to the code where such decision is taken? 2018-04-05 20:39 GMT+02:00 Ben Pfaff : > What metadata is propagating? > > On Thu, Apr 05, 2018 at 08:14:51PM +0200, Alan Kayahan wrote: > > I introduced a new 32bit

Re: [ovs-discuss] Is there an option to disable metadata propagation on patch ports?

I introduced a new 32bit field in flow.h to match on. A push_header action appends a header, which contains TLVs, to the packet and sets this field for the first time. An increment action sets this field to a value that resides in the first TLV, if increment action is called again, the field is

Re: [ovs-discuss] Is there an option to disable metadata propagation on patch ports?

What metadata is propagating? On Thu, Apr 05, 2018 at 08:14:51PM +0200, Alan Kayahan wrote: > I introduced a new 32bit field in flow.h to match on. A push_header action > appends a header, which contains TLVs, to the packet and sets this field > for the first time. An increment action sets this

Re: [ovs-discuss] Is there an option to disable metadata propagation on patch ports?

compose_output_action__(), in ofproto/ofproto-dpif-xlate.c, clears metadata for patch port traversals in the block that begins "if (xport->peer)", with this code: flow->metadata = htonll(0); memset(>tunnel, 0, sizeof flow->tunnel); memset(flow->regs, 0, sizeof flow->regs);