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Toke Høiland-Jørgensen b6a7077c0f xdp: Add xdp_do_redirect_frame() for pre-computed xdp_frames

[ Upstream commit 1372d34ccf ]

Add an xdp_do_redirect_frame() variant which supports pre-computed
xdp_frame structures. This will be used in bpf_prog_run() to avoid having
to write to the xdp_frame structure when the XDP program doesn't modify the
frame boundaries.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220103150812.87914-6-toke@redhat.com
Stable-dep-of: 5bcf0dcbf9 ("xdp: use flags field to disambiguate broadcast redirect")
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-05-17 11:50:47 +02:00