On Wed, May 15, 2013 at 12:03:26PM +0200, Philipp Aeschlimann wrote:
> Hey
>
> I'm using the following script to create the bridge (OVS). As you can
> see, I'm using
>
> ovs-vsctl set bridge $NAME protocols=OpenFlow13
>
> To set the version of OFP. Is there any other place where I have to
> configure this?
This is correct way to configure OVS.
> Because my app won't work anyways with OVS, here's the
> version I'm using:
Because OVS doesn't support OFPQueueGetConfigRequest yet.
Not due to mis-configuration or ryu side issue.
The only way is to add the feature to OVS upstream.
thanks,
> clt-mob-p-1093:/home/staff/aepp/unix # ovs-vsctl --version
> ovs-vsctl (Open vSwitch) 1.10.0
> Compiled May 6 2013 11:47:07
> clt-mob-p-1093:/home/staff/aepp/unix #
>
> usage()
> {
> cat << EOF
> usage: $0 options
>
> This script creates or deletes an Open vSwitch.
>
> OPTIONS:
> -h Show this message
> -o Can be 'add' or 'del'
> -n The name of the bridge
> -p Amount of port numbers
> -v Verbose
>
> EXAMPLE:
> # $0 -o add -n lan0 -p 5
> # $0 -o del -n lan0 -p 5
> EOF
> }
>
> NAME=
> PORTS=
> OP=
> VERBOSE=0
> while getopts "h:o:n:p:v" OPTION
> do
> case $OPTION in
> h)
> usage
> exit 1
> ;;
> n)
> NAME=$OPTARG
> ;;
> p)
> PORTS=$OPTARG
> ;;
> o)
> OP=$OPTARG
> ;;
> v)
> VERBOSE=1
> ;;
> ?)
> usage
> exit
> ;;
> esac
> done
>
> if [[ -z $NAME ]] || [[ -z $PORTS ]] || [[ -z $OP ]]
> then
> usage
> exit 1
> fi
>
> if [ "$OP" == "add" ]
> then
> # create the bridge
> ovs-vsctl add-br $NAME
>
> # use OFP13
> ovs-vsctl set bridge $NAME protocols=OpenFlow13
>
> for tap in `seq 0 $PORTS`; do
> ip tuntap add mode tap ${NAME}p$tap
> done;
>
> # check if the ifaces, only in verbose
> if [ "$VERBOSE" == "1" ]
> then
> echo "Output of: #ip tuntap list"
> ip tuntap list
> fi
>
> for tap in `seq 0 $PORTS`; do
> ip link set ${NAME}p$tap up
> done;
>
> # check state of the ifaces, only in verbose
> if [ "$VERBOSE" == "1" ]
> then
> echo "Output of: #ip link"
> ip link
> fi
>
> for tap in `seq 0 $PORTS`; do
> ovs-vsctl add-port $NAME ${NAME}p$tap
> done;
>
> # list all ports by ovs-vsctl to check, if taps are there
> if [ "$VERBOSE" == "1" ]
> then
> echo "Output of: #ip ovs-vsctl list-ports $NAME"
> ovs-vsctl list-ports $NAME
> fi
>
> # set the controller to localhost
> # TODO: make this variable
> ovs-vsctl set-controller $NAME tcp:0.0.0.0:6633
>
> # TODO: be more verbose
> elif [ "$OP" == "del" ]
> then
> # remove the bridge
> ovs-vsctl del-br $NAME
>
> # remove all taps
> for tap in `seq 0 $PORTS`; do
> ip tuntap del ${NAME}p$tap mode tap
> done;
>
> else
> usage
> exit 1
> fi
>
> THX in advance, Philipp - g *pae
>
> 2013/5/15 Isaku Yamahata <[email protected]>:
> > On Tue, May 14, 2013 at 04:10:46PM +0200, Philipp Aeschlimann wrote:
> >> Hey there
> >>
> >> I'm trying some things with QoS and therefore i wrote a simple
> >> test-app here (click download in the upper right corner):
> >>
> >> https://owncloud.engineering.zhaw.ch/public.php?service=files&t=f6f7e645b0d67b3c9a0cc537f8b38dfb
> >>
> >> It sends OFPQueueGetConfigRequest and tries to receive an
> >> OFPQueueGetConfigReply. But with the appliance from here
> >> https://github.com/osrg/ryu/wiki/OpenFlow_Tutorial I get this error:
> >>
> >> error msg ev version: 0x1 msg_type 0x1 xid 0xa6425c5e type 1 code 1
> >> data _???B\^unsupported version 0x1. If possible, set the switch type
> >> 0x1 code 0x1
> >> unsupported version 0x1. If possible, set the switch to use one of the
> >> versions [4]
> >
> > You have to configure OVS to use OF 1.3 instead of OF1.0.
> > By default OVS uses OF1.0.
> >
> >> And with OVS 1.10.0 (installed localy) I get:
> >>
> >> error msg ev version: 0x4 msg_type 0x1 xid 0xd49cfa2a type 1 code 1
> >> data ?????* type 0x1 code 0x1
> >
> > Althouh you set OVS to use OF1.3 somehow, OVS doesn't support
> > OFPQueueGetConfigRequest yet. OVS returns an error message in respond to
> > the request.
> > type 0x1 = error
> > code 0x1 = bad request
> >
> >
> >> But with the following changes and the softswitch from here:
> >> https://github.com/CPqD/ofsoftswitch13 everything works as expected
> >>
> >> diff --git a/ryu/ofproto/ofproto_v1_3_parser.py
> >> b/ryu/ofproto/ofproto_v1_3_parser.py
> >> index 3f2d020..cace1aa 100644
> >> --- a/ryu/ofproto/ofproto_v1_3_parser.py
> >> +++ b/ryu/ofproto/ofproto_v1_3_parser.py
> >> @@ -2734,7 +2734,7 @@ class OFPPacketQueue(MsgBase):
> >> @classmethod
> >> def parser(cls, buf, offset):
> >> (msg.queue_id, msg.port, msg.len) = struct.unpack_from(
> >> - ofproto_v1_3.OFP_PACKET_QUEUE_PACK_STR, buf, offset)
> >> + ofproto_v1_3.OFP_PACKET_QUEUE_PACK_STR, buffer(buf), offset)
> >>
> >> length = ofproto_v1_3.OFP_PACKET_QUEUE_SIZE
> >> offset += ofproto_v1_3.OFP_PACKET_QUEUE_SIZE
> >
> > See below.
> >
> >
> >> @@ -2766,7 +2766,7 @@ class OFPQueueGetConfigReply(MsgBase):
> >>
> >> msg.queues = []
> >> offset += ofproto_v1_3.OFP_QUEUE_GET_CONFIG_REPLY_SIZE
> >> - while offset < msg.length:
> >> + while offset < msg_len:
> >
> > This line looks good.
> >
> >> queue = OFPPacketQueue.parser(buf, offset)
> >
> > msg.buf should be passed. Then first hunk can be dropped.
> >
> > thanks,
> >
> >> msg.queues.append(queue)
> >> offset += queue.len
> >>
> >> The above errors from OVS are showing up anyways. THX in advance...
> >>
> >> g *pae
> >>
> >> --
> >> ZHAW - Zurich University of Applied Sciences
> >> Institute of Applied Information Technology InIT
> >> InIT Cloud Computing Laboratory ICCLab
> >>
> >> Philipp Aeschlimann
> >> Obere Kirchgasse 2
> >> CH-8401 Winterthur
> >>
> >> Tel. +41 58 934 6964 (intern 6964)
> >> mailto:[email protected]
> >> www.zhaw.ch
> >> www.cloudcomp.ch
> >>
> >> GPG IDKey: 647E122E
> >> Fingerprint: 47B7 8D8A 98D1 E91D 4B7C E261 D88C BE9E 647E 122E
> >>
> >> ------------------------------------------------------------------------------
> >> AlienVault Unified Security Management (USM) platform delivers complete
> >> security visibility with the essential security capabilities. Easily and
> >> efficiently configure, manage, and operate all of your security controls
> >> from a single console and one unified framework. Download a free trial.
> >> http://p.sf.net/sfu/alienvault_d2d
> >> _______________________________________________
> >> Ryu-devel mailing list
> >> [email protected]
> >> https://lists.sourceforge.net/lists/listinfo/ryu-devel
> >
> > --
> > yamahata
>
> ------------------------------------------------------------------------------
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> security visibility with the essential security capabilities. Easily and
> efficiently configure, manage, and operate all of your security controls
> from a single console and one unified framework. Download a free trial.
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