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From: Martin KaFai Lau <martin.lau@linux.dev>
To: "Alexis Lothoré (eBPF Foundation)" <alexis.lothore@bootlin.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
	Yonghong Song <yonghong.song@linux.dev>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@kernel.org>,
	Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
	Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
	ebpf@linuxfoundation.org,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Bastien Curutchet <bastien.curutchet@bootlin.com>,
	bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next 3/5] selftests/bpf: make test_tc_tunnel.bpf.c compatible with big endian platforms
Date: Fri, 17 Oct 2025 16:34:27 -0700	[thread overview]
Message-ID: <056a0000-f74c-47d9-9fdb-04f0646c174b@linux.dev> (raw)
In-Reply-To: <20251017-tc_tunnel-v1-3-2d86808d86b2@bootlin.com>



On 10/17/25 7:29 AM, Alexis Lothoré (eBPF Foundation) wrote:
> +#define ETH_HLEN	14
> +#define TC_ACT_OK	0
> +#define TC_ACT_SHOT	2
> +#define ETH_P_MPLS_UC	0x8847
> +#define ETH_P_IP	0x0800
> +#define ETH_P_IPV6	0x86DD
> +#define ETH_P_TEB	0x6558
> +
> +#define MPLS_LS_S_MASK	0x00000100
> +#define BPF_F_ADJ_ROOM_ENCAP_L2(len)			\
> +	(((__u64)len & BPF_ADJ_ROOM_ENCAP_L2_MASK)	\
> +	 << BPF_ADJ_ROOM_ENCAP_L2_SHIFT)
> +

Some of them (e.g. TC_ACT_OK) should be already in bpf_tracing_net.h, so 
include that header instead. Not sure the remaining ones (e.g. MPLS) 
will be very useful, so I would leave it here for now instead of adding 
them to bpf_tracing_net.h.

  reply	other threads:[~2025-10-17 23:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-17 14:29 [PATCH bpf-next 0/5] selftests/bpf: convert test_tc_tunnel.sh to test_progs Alexis Lothoré (eBPF Foundation)
2025-10-17 14:29 ` [PATCH bpf-next 1/5] testing/selftests: rename tc_helpers.h to tcx_helpers.h Alexis Lothoré (eBPF Foundation)
2025-10-17 14:29 ` [PATCH bpf-next 2/5] selftests/bpf: add tc helpers Alexis Lothoré (eBPF Foundation)
2025-10-17 23:26   ` Martin KaFai Lau
2025-10-20  8:54     ` Alexis Lothoré
2025-10-17 14:29 ` [PATCH bpf-next 3/5] selftests/bpf: make test_tc_tunnel.bpf.c compatible with big endian platforms Alexis Lothoré (eBPF Foundation)
2025-10-17 23:34   ` Martin KaFai Lau [this message]
2025-10-17 14:29 ` [PATCH bpf-next 4/5] selftests/bpf: integrate test_tc_tunnel.sh tests into test_progs Alexis Lothoré (eBPF Foundation)
2025-10-18  0:18   ` Martin KaFai Lau
2025-10-19  8:45     ` Alexis Lothoré
2025-10-17 14:29 ` [PATCH bpf-next 5/5] selftests/bpf: remove test_tc_tunnel.sh Alexis Lothoré (eBPF Foundation)

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