[ovs-dev] Question about openflow message OFPT_FEATURE_REQUEST handler?

2013-09-05 Thread
As we know, openflow message OFPT_FEATURE_REQUEST is controller sent to OF Switch to get what kind of features target OF Switch supports? such as bitmap of supported capabilities, bitmap of supported actions, and how many ports and tables it support, and so on, For this mail, i am focus on ports fe

[ovs-dev] my understanding and question about internal type device.

2013-03-29 Thread
My understanding of how internal type device work. Internal type device is special. when a packet sent to internal type device from outside, it will immediately forward to openvswitch module to decide where to go? when a packet sent to internal type device from openvswitch module, it will

Re: [ovs-dev] Does ovs-vsctl add-br br01 really create a bridge just like brctl add-br br01?

2013-02-08 Thread
HI Thanks, so, to do kernel configuration, how does ovs-vswitchd do? by direct function call or some other mechanism? 2013/2/9 Ben Pfaff > On Fri, Feb 08, 2013 at 11:18:07AM +0800, ?? wrote: > >Thanks your reply. Yes, I read that manual several times before i sent > > the previous

Re: [ovs-dev] Does ovs-vsctl add-br br01 really create a bridge just like brctl add-br br01?

2013-02-07 Thread
Hi Thanks your reply. Yes, I read that manual several times before i sent the previous post here. This manual tell me that ovs-vsctl is a db client to configure Open vSwitch configuration database maintained by ovsdb-server. So when you execute ovs-vsctl add-br br01 command, it actually only s

[ovs-dev] Does ovs-vsctl add-br br01 really create a bridge just like brctl add-br br01?

2013-02-07 Thread
Hi Recently, i am reading source code of ovs-vsctl. i get confused. what confused me is ovs-vsctl doesn't send instruction to kernel module, seems that it only store br information into br table. As we know, brctl add-br will send instruction to kernel module by ioctl with flag SIOCSIFBR, and