On Wed, May 15, 2013 at 05:10:49PM +0900, Simon Horman wrote: > If verbosity parameter of ofp_print_packet_in() is greater than 2 then > output a hexdump of PACKET_IN packets as well as the output of > ofp_packet_to_string(), which is shown if verbosity is greater than 0. > > The motivation of this is to allow tests to be written that use ovs-ofctl > -m monitor to check packet data which is not output by > ofp_packet_to_string(). Specifically, as the protocol of the inner-packet > is not known by ofp_packet_to_string() it only decodes and stringifies an > MPLS packet up to and including the first MPLS label stack entry. However > it may be useful to create tests which verify the contents of the inner > packet. > > One example may be verify the effect of dec_ttl in the following sequence > of actions applied to a packet with a single MPLS label stack entry. > > pop_mpls(0x800),dec_ttl,push_mpls(0x8847) > > An example of the ovs-ofctl -m monitor output, is as follows: > > NXT_PACKET_IN (xid=0x0): cookie=0xd total_len=62 in_port=1 (via action) > data_len=62 (unbuffered) > mplsm,metadata=0,in_port=0,vlan_tci=0x0000,dl_src=60:66:66:66:04:10,dl_dst=50:54:00:00:00:07,mpls_label=0,mpls_tc=0,mpls_ttl=253,mpls_bos=1 > 00000000 50 54 00 00 00 07 60 66-66 66 04 10 88 48 00 00 > 00000010 01 fd 45 00 00 2c 00 00-00 00 ff 06 3a 78 c0 a8 > 00000020 00 01 c0 a8 00 02 00 50-00 00 00 00 00 2a 00 00 > 00000030 00 2a 50 00 27 10 77 44-00 00 48 4f 47 45 > > Without the -m flag the hex dump is not shown, this is consistent > with the behaviour prior to this patch. > > For consistency a similar change could trivially be made for PACKET_OUT.
Let's do the packet_out change too. Would you mind also adding some a test to tests/ofp-print.at for each message, please? Thanks, Ben. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
