Re: [ovs-discuss] [installation problem] Installation of OVS 2.3.1 from the tarball on Citrix Xen Server 6.5

2015-04-17 Thread Po-Ching Lin
Dear Ben, We specified kernel_flavor to be xen before, but rpmbuild simply complained that source dir /lib/modules/3.10.0+2xen/build doesn't exist. We don't specify kernel_flavor this time, but it seems that the variable kernel_flavor is left in the path name. According to INSTALL.XenServ

[ovs-discuss] [installation problem] Installation of OVS 2.3.1 from the tarball on Citrix Xen Server 6.5

2015-04-14 Thread Po-Ching Lin
Hello all, We recently tried to install OpenvSwitch 2.3.1 on Citrix Xen Server 6.5. We followed the instructions in INSTALL.XenServer, and the reproduced steps are as follows. The main problem is that the directory /lib/modules/xen/build is missing. Please suggest the method to address

[ovs-discuss] parse first packet in the user space

2014-09-12 Thread Po-Ching Lin
As the first packet of a new flow goes to ovs-vswitchd, we are tracing where the packet is parsed in the source code of ovs-vswitchd. We found the packet is copied to user_skb in datapath.c:queue_userspace_packet, and then passed to the user space by calling genlmsg_unicast. In the user space, we