Check venet_xmit() and veth_xmit(). These functions are called on boundaries host/VE and have context for skb in hands.
On Apr 6, 2011, at 18:55 , niu xinli wrote: > Hi, > I need to build a virtual network to test our program. We used Xen before > migrating them to openvz. There are some patches I should make to the kernel. > In net/ipv4/ip_output.c, before the packet is sent out, we need to do some > operations on the packet. The problem is , I don't know the packet belongs to > which openvz node. It would be easy to distinguish them in user space but we > need to know them in kernel space. > Is there some data structure in kernel space containing this kind of > information. Please give me some suggestions! Thanks a lot! > <ATT00001..c> _______________________________________________ Users mailing list [email protected] https://openvz.org/mailman/listinfo/users
