Re: [PATCH net-next v2 7/7] selftests: net: Add IPv6 support to netconsole basic tests

[Simon Horman]

On Wed, Jul 02, 2025 at 03:06:39AM -0700, Breno Leitao wrote:
> Add IPv6 support to the netconsole basic functionality tests by:
> 
> - Introducing separate IPv4 and IPv6 address variables (SRCIP4/SRCIP6,
>   DSTIP4/DSTIP6) to replace the single SRCIP/DSTIP variables
> - Adding select_ipv4_or_ipv6() function to choose protocol version
> - Updating socat configuration to use UDP6-LISTEN for IPv6 tests
> - Adding wait_for_port() wrapper to handle protocol-specific port waiting
> - Expanding test matrix to run both basic and extended formats against
>   both IPv4 and IPv6 protocols
> - Improving cleanup to kill any remaining socat processes
> - Adding sleep delays for better IPv6 packet handling reliability
> 
> The test now validates netconsole functionality across both IP versions,
> improving test coverage for dual-stack network environments.
> 
> This test would avoid the regression fixed by commit f59902070269 ("net:
> netpoll: Initialize UDP checksum field before checksumming")
> 
> Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>