[ovs-dev] Development question

2012-08-01 Thread mvpblc
Hello, I have subscribe to openvswitch dev discuss because I'm thinking in do some development work on openvswitch. I'm looking to Openvswictch and I'm thinking in do some development, so I have clone the Git repository for Open vSwitch. Is there some API or some document that explain how file

[ovs-dev] Buffer in openvswitch

2012-08-07 Thread mvpblc
Hello, For what I understand the openvSwitch works in store-and-forward mode using linux kernel. Can someone tell me where is the buffer and the files that are connected and do or treats the store-and-forward on openvswitch sources. Where is this done? Can someone tell me if is in mind an cut

Re: [ovs-dev] Buffer in openvswitch

2012-08-07 Thread mvpblc
Hello, but in finction: netdev_linux_listen(struct netdev *netdev_) on netdev_linux.c file inside lib, they have sockets open to the interfaces. Where it receive a packet and copy to memory. It reads the memory content only when packet reach the exact length of the packet, for example 1500 byt

Re: [ovs-dev] Buffer in openvswitch

2012-08-08 Thread mvpblc
Hello, First thanks for the tip. You said, "NICs only trigger an interrupt after the packet has been completely DMAed into memory, which makes cut-through impossible to implement on today's servers". The triggers that you speak about is done at driver level, at kernel level or is something

[ovs-dev] CPU and OVS

2012-08-30 Thread mvpblc
Hello, I'm using openvSwitch and the cpu is always at 75%-80%. Why this happens? Anybody have experienced something like this? Advises will be very appreciated, Regards, Marco ___ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman

[ovs-dev] OVS datapath

2012-09-04 Thread mvpblc
Hello to all, I have read this post http://openvswitch.org/pipermail/dev/2012-August/020157.html and it seems that at the moment this awesome improvements only work under freeBSD. Is in the rode map of OVS the intention of put this available for generic linux distributions, soon?  Best Regard