selftests/bpf: Add a bpf fq qdisc to selftest

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This test implements a more sophisticated qdisc using bpf. The bpf fair-
queueing (fq) qdisc gives each flow an equal chance to transmit data. It
also respects the timestamp of skb for rate limiting.

Signed-off-by: Amery Hung <amery.hung@bytedance.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250409214606.2000194-10-ameryhung@gmail.com

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Amery Hung 2025-04-09 14:46:05 -07:00 • committed by Martin KaFai Lau

parent 11c701639b

commit 2b59bd9e4e

2 changed files with 774 additions and 0 deletions

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24

tools/testing/selftests/bpf/prog_tests/bpf_qdisc.c

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750

tools/testing/selftests/bpf/progs/bpf_qdisc_fq.c

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