Hi,
I am using OpenFlow Version 1.5 and I have tried to use the Insert_Bucket
and Remove_Bucket commands which are supported in the following version,
On the OVS side i have followed the following steps:
ovs-ofctl -O openflow15 add-group br_test
group_id=3,type=all,bucket=output:2
ovs-ofctl -O openflow15 insert-buckets br_test group_id=3
*,command_bucket_id=first,*bucket=bucket_id:1,actions=output:1
But when i try insert a bucket from RYU I see following issues when I am
try to set value for command_bucket_id as 'last/first' in my code:
group_id = 1
command_bucket_id='last'
actions = [parser.OFPActionOutput(2)]
buckets = [parser.OFPBucket(actions= actions,bucket_id =1)]
req = ofp_parser.OFPGroupMod(datapath, ofp.OFPGC_INSERT_BUCKET,
ofp.OFPGT_SELECT, group_id, command_bucket_id, buckets)
datapath.send_msg(req)
it throws the following error:
When I try to set command_bucket_id value as ‘last’ it throws
File "/usr/local/lib/python2.7/dist-packages/ryu/app/indentedServer.py",
line 136, in cp_instruction_processor
self.op_group_add(instruction)
File "/usr/local/lib/python2.7/dist-packages/ryu/app/indentedServer.py",
line 1099, in op_group_add
dp_info.send_msg(mod)
File
"/usr/local/lib/python2.7/dist-packages/ryu/controller/controller.py", line
347, in send_msg
msg.serialize()
File
"/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_parser.py",
line 270, in serialize
self._serialize_body()
File
"/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_v1_5_parser.py",
line 6181, in _serialize_body
self.bucket_array_len, self.command_bucket_id)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/pack_utils.py", line
25, in msg_pack_into
struct.pack_into(fmt, buf, offset, *args)
error: cannot convert argument to integer
When I try to set command_bucket_id value as integer 1 it throws:
group_id = 1
command_bucket_id=1
actions = [parser.OFPActionOutput(2)]
buckets = [parser.OFPBucket(actions= actions,bucket_id =1)]
req = ofp_parser.OFPGroupMod(datapath, ofp.OFPGC_INSERT_BUCKET,
ofp.OFPGT_SELECT, group_id, command_bucket_id, buckets)
datapath.send_msg(req)
I don't see any error message but the group is not getting added on the OVS
if i check the logs i see the following error:
Error from the logs :
command_bucket_id (1) is out of range
sending OFPGMFC_BAD_BUCKET error reply to OFPT_GROUP_MOD message
Kindly suggest the correction that need to be make to overcome the
following issue.
Thanks,
Shivani.
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