Re: [dpdk-dev] [PATCH] vhost: broadcast RARP pkt by injecting it to receiving mbuf array

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2016-02-22 22:36, Yuanhan Liu:
> The wrong mac table lead all the packets to the VM go to the "ovsbr0"
> in the end, which ends up with all packets being lost, until the guest
> send a ARP quest (or reply) to refresh the mac learning table.
> 
> Jianfeng then came up with a solution I have thought of firstly but NAKed
> by myself, concerning it has potential issues [0]. The solution is as title
> stated: broadcast the RARP packet by injecting it to the receiving mbuf
> arrays at rte_vhost_dequeue_burst(). The re-bring of that idea made me
> think it twice; it looked like a false concern to me then. And I had done
> a rough verification: it worked as expected.
> 
> [0]: http://dpdk.org/ml/archives/dev/2016-February/033527.html
> 
> Another note is that while preparing this version, I found that DPDK has
> some ARP related structures and macros defined. So, use them instead of
> the one from standard header files here.
> 
> Cc: Thibaut Collet <thibaut.collet@6wind.com>
> Suggested-by: Jianfeng Tan <jianfeng.tan@intel.com>
> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>

Applied, thanks