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Date: Thu, 14 May 2026 18:38:32 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Nimrod Oren <noren@nvidia.com>
Cc: "David S. Miller" <davem@davemloft.net>, Eric Dumazet
 <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Simon Horman
 <horms@kernel.org>, Shuah Khan <shuah@kernel.org>, Alexei Starovoitov
 <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Jesper Dangaard
 Brouer <hawk@kernel.org>, "John Fastabend" <john.fastabend@gmail.com>,
 Stanislav Fomichev <sdf@fomichev.me>, Mohsin Bashir
 <mohsin.bashr@gmail.com>, Amery Hung <ameryhung@gmail.com>, Martin KaFai
 Lau <martin.lau@kernel.org>, Dimitri Daskalakis
 <dimitri.daskalakis1@gmail.com>, <netdev@vger.kernel.org>,
 <linux-kselftest@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
 <bpf@vger.kernel.org>, Carolina Jubran <cjubran@nvidia.com>, Dragos Tatulea
 <dtatulea@nvidia.com>
Subject: Re: [PATCH net] selftests: net: Fix checksums in xdp_native
Message-ID: <20260514183832.5ef205c1@kernel.org>
In-Reply-To: <20260513072355.1083381-1-noren@nvidia.com>
References: <20260513072355.1083381-1-noren@nvidia.com>
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On Wed, 13 May 2026 10:23:55 +0300 Nimrod Oren wrote:
> Data adjustment cases failed with "Data exchange failed" when using IPv4
> because the program did not update the IP and UDP checksums in the IPv4
> branch. The issue was masked when both IPv4 and IPv6 were configured,
> since the test harness prefers IPv6.

Oops, maybe we should run against both IP version after all?