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It is possible for drivers to generate xdp packets with data residing entirely in fragments. To keep parsing headers using direct packet access, call bpf_xdp_pull_data() to pull headers into the linear data area. Signed-off-by: Amery Hung <ameryhung@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250922233356.3356453-9-ameryhung@gmail.com