bpf: introduce bpf_xdp_get_buff_len helper

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Introduce bpf_xdp_get_buff_len helper in order to return the xdp buffer
total size (linear and paged area)

Acked-by: Toke Hoiland-Jorgensen <toke@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/aac9ac3504c84026cf66a3c71b7c5ae89bc991be.1642758637.git.lorenzo@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Lorenzo Bianconi 2022-01-21 11:09:54 +01:00 • committed by Alexei Starovoitov

parent e121d27083

commit 0165cc8170

4 changed files with 43 additions and 0 deletions

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14

include/net/xdp.h

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7

include/uapi/linux/bpf.h

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