netdev - [net v5 0/3] fix bpf_redirect to ifb netdev

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Date:   Wed,  8 Dec 2021 22:54:56 +0800
From:   xiangxia.m.yue@...il.com
To:     netdev@...r.kernel.org
Cc:     Tonghao Zhang <xiangxia.m.yue@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Antoine Tenart <atenart@...nel.org>,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Wei Wang <weiwan@...gle.com>, Arnd Bergmann <arnd@...db.de>
Subject: [net v5 0/3] fix bpf_redirect to ifb netdev

From: Tonghao Zhang <xiangxia.m.yue@...il.com>

This patchset try to fix bpf_redirect to ifb netdev.
Prevent packets loopback and perfromance drop, add check
in sch egress.

Tonghao Zhang (3):
  net: core: set skb useful vars in __bpf_tx_skb
  net: sched: add check tc_skip_classify in sch egress
  selftests: bpf: add bpf_redirect to ifb

 net/core/dev.c                                |  3 +
 net/core/filter.c                             | 12 ++-
 tools/testing/selftests/bpf/Makefile          |  1 +
 .../bpf/progs/test_bpf_redirect_ifb.c         | 13 ++++
 .../selftests/bpf/test_bpf_redirect_ifb.sh    | 73 +++++++++++++++++++
 5 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/bpf/progs/test_bpf_redirect_ifb.c
 create mode 100755 tools/testing/selftests/bpf/test_bpf_redirect_ifb.sh

-- 
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Andrii Nakryiko <andrii@...nel.org>
Cc: Martin KaFai Lau <kafai@...com>
Cc: Song Liu <songliubraving@...com>
Cc: Yonghong Song <yhs@...com>
Cc: John Fastabend <john.fastabend@...il.com>
Cc: KP Singh <kpsingh@...nel.org>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Antoine Tenart <atenart@...nel.org>
Cc: Alexander Lobakin <alexandr.lobakin@...el.com>
Cc: Wei Wang <weiwan@...gle.com>
Cc: Arnd Bergmann <arnd@...db.de>
--
2.27.0