On 23 June 2016 at 05:47, Thiyagu Subramanyam <thee...@gmail.com> wrote:
> Hi All,
>
>     I am trying to use Openvswitch in user space using DPDK. So that i need
> to install DPDK first in user space and then to configure OVS with DPDK
> which i installed in user space. I am following the INSTALL DPDK.md
> document,  the link is as follows --->
> https://github.com/openvswitch/ovs/blob/master/INSTALL.DPDK.md.
>
>    While configuring OVS 2.5.0(stable release of OVS) with DPDK 16.4 no
> errors are occurring whereas while configuring OVS 2.5.90(unstable release)
> with DPDK 16.4 errors are arising. Does I required any patch file for
> neglecting this error?
>
>   Why i am going for OVS 2.5.90(cloned from master branch) is, NAT feature
> is supported in this version of OVS, which is confirmed by OVS Community.

The userspace datapath (ie, dpdk) doesn't support stateful NAT.

> I am setting the environment variables as below,
>
> export DPDK_DIR=/home/blue/dpdk-16.04
> export DPDK_BUILD=/home/blue/dpdk-16.04/x86_64-native-linuxapp-gcc
>
> also I have installed all the dependencies like autoreconf, lib-tools etc.,
> which is required for OVS installation.
>
> At the time of configuring this OVS 2.5.90 with DPDK 16.4, I am getting
> following errors.
>
> checking whether gcc accepts -fno-strict-aliasing... yes
> checking whether gcc accepts -Qunused-arguments... no
> checking whether gcc accepts -Wno-unused... yes
> checking whether gcc accepts -Wno-unused-parameter... yes
> checking target hint for cgcc... x86_64
> checking whether make has GNU make $(if) extension... yes
> checking whether dpdk datapath is enabled... yes
> checking for
> /home/blue/dpdk-16.04/x86_64-native-linuxapp-gcc/include/rte_config.h... yes
> configure: error: Could not find DPDK libraries in
> /home/blue/dpdk-16.04/x86_64-native-linuxapp-gcc/lib

Does this path exist? Is DPDK compiled here?
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