Re: [PATCH bpf-next 3/5] selftests/bpf: make test_tc_tunnel.bpf.c compatible with big endian platforms

[Martin KaFai Lau]

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.