selftests: drv-net: Pull data before parsing headers

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[ Upstream commit efec2e55bd ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Amery Hung 2025-09-22 16:33:56 -07:00 • committed by Greg Kroah-Hartman

parent de13a2f870

commit 80413e2866

1 changed files with 74 additions and 15 deletions

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tools/testing/selftests/net/lib/xdp_native.bpf.c

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