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Tsirkin" , Jason Wang , Tanner Love Subject: [PATCH net-next v4 0/3] virtio_net: add optional flow dissection in virtio_net_hdr_to_skb Date: Tue, 8 Jun 2021 13:02:21 -0400 Message-Id: <20210608170224.1138264-1-tannerlove.kernel@gmail.com> X-Mailer: git-send-email 2.32.0.rc1.229.g3e70b5a671-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tanner Love First patch extends the flow dissector BPF program type to accept virtio-net header members. Second patch uses this feature to add optional flow dissection in virtio_net_hdr_to_skb(). This allows admins to define permitted packets more strictly, for example dropping deprecated UDP_UFO packets. Third patch extends kselftest to cover this feature. Tanner Love (3): net: flow_dissector: extend bpf flow dissector support with vnet hdr virtio_net: add optional flow dissection in virtio_net_hdr_to_skb selftests/net: amend bpf flow dissector prog to do vnet hdr validation drivers/net/bonding/bond_main.c | 2 +- include/linux/bpf.h | 2 + include/linux/skbuff.h | 35 ++- include/linux/virtio_net.h | 25 ++- include/uapi/linux/bpf.h | 2 + kernel/bpf/verifier.c | 48 +++- net/bpf/test_run.c | 2 +- net/core/filter.c | 26 +++ net/core/flow_dissector.c | 19 +- net/core/sysctl_net_core.c | 9 + tools/include/uapi/linux/bpf.h | 2 + tools/testing/selftests/bpf/progs/bpf_flow.c | 208 ++++++++++++++---- .../selftests/bpf/test_flow_dissector.c | 181 +++++++++++++-- .../selftests/bpf/test_flow_dissector.sh | 19 ++ 14 files changed, 495 insertions(+), 85 deletions(-) -- 2.32.0.rc1.229.g3e70b5a671-goog