Re: [net-next v2 2/2] selftests: seg6: add selftest for NEXT-C-SID flavor in SRv6 End.X behavior

[David Ahern]

On 8/12/23 12:09 PM, Andrea Mayer wrote:
> From: Paolo Lungaroni <paolo.lungaroni@xxxxxxxxxxx>
> 
> This selftest is designed for testing the support of NEXT-C-SID flavor
> for SRv6 End.X behavior. It instantiates a virtual network composed of
> several nodes: hosts and SRv6 routers. Each node is realized using a
> network namespace that is properly interconnected to others through veth
> pairs, according to the topology depicted in the selftest script file.
> The test considers SRv6 routers implementing IPv4/IPv6 L3 VPNs leveraged
> by hosts for communicating with each other. Such routers i) apply
> different SRv6 Policies to the traffic received from connected hosts,
> considering the IPv4 or IPv6 protocols; ii) use the NEXT-C-SID
> compression mechanism for encoding several SRv6 segments within a single
> 128-bit SID address, referred to as a Compressed SID (C-SID) container.
> 
> The NEXT-C-SID is provided as a "flavor" of the SRv6 End.X behavior,
> enabling it to properly process the C-SID containers. The correct
> execution of the enabled NEXT-C-SID SRv6 End.X behavior is verified
> through reachability tests carried out between hosts belonging to the
> same VPN.
> 
> Signed-off-by: Paolo Lungaroni <paolo.lungaroni@xxxxxxxxxxx>
> Co-developed-by: Andrea Mayer <andrea.mayer@xxxxxxxxxxx>
> Signed-off-by: Andrea Mayer <andrea.mayer@xxxxxxxxxxx>
> ---
>  tools/testing/selftests/net/Makefile          |    1 +
>  .../net/srv6_end_x_next_csid_l3vpn_test.sh    | 1213 +++++++++++++++++
>  2 files changed, 1214 insertions(+)
>  create mode 100755 tools/testing/selftests/net/srv6_end_x_next_csid_l3vpn_test.sh
> 

Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>