Aha, It helped me, thankyou Yi ^_^ On Wed, Aug 19, 2015 at 3:13 PM, Yi Tseng <a86487...@gmail.com> wrote:
> Hi > > "data" should be None if you want to use buffer id. > > so the code should look like this: > > out = datapath.ofproto_parser.OFPPacketOut( > datapath = datapath, > buffer_id = msg.buffer_id, > in_port = datapath.ofproto.OFPP_CONTROLLER, > actions = actions > ) > > -- > Yi > > 2015-08-19 15:02 GMT+08:00 Vinllen Chen <cvinl...@gmail.com>: > >> Hi, all, >> >> I want to send packet-out message with buffer_id to let the packet to be >> reprocess to rego through the pipeline: >> actions = [] >> >> actions.append(datapath.ofproto_parser.OFPActionOutput( >> datapath.ofproto.OFPP_TABLE) >> ) >> >> out = datapath.ofproto_parser.OFPPacketOut( >> datapath = datapath, >> buffer_id = msg.buffer_id, >> #buffer_id = datapath.ofproto.OFP_NO_BUFFER, >> in_port = datapath.ofproto.OFPP_CONTROLLER, >> actions = actions, >> data = pkt.data >> ) >> datapath.send_msg(out) >> >> The error shows: >> File >> "/usr/local/python2.7.6/lib/python2.7/site-packages/ryu/ofproto/ofproto_v1_3_parser.py", >> line 2384, in _serialize_body >> assert self.buffer_id == 0xffffffff >> >> It looks like the buffer_id must be NO_BUFFER, but the packet with >> specify buffer_id is allowed in openflow spec. >> So how to solve this problem ? Thankyou >> -- >> Best Regards, >> Vinllen >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Ryu-devel mailing list >> Ryu-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/ryu-devel >> >> > > > -- > Yi Tseng (a.k.a Takeshi) > Taiwan National Chiao Tung University > Department of Computer Science > W2CNLab > > http://blog.takeshi.tw > -- Best Regards, Vinllen
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