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Mon, 17 Mar 2025 18:41:00 -0700 (PDT) Received: from [127.0.0.1] ([2001:67c:2fbc:1:3577:c57d:1329:9a15]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-395c83b6b2bsm16230838f8f.26.2025.03.17.18.40.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Mar 2025 18:41:00 -0700 (PDT) From: Antonio Quartulli Subject: [PATCH net-next v24 00/23] Introducing OpenVPN Data Channel Offload Date: Tue, 18 Mar 2025 02:40:35 +0100 Message-Id: <20250318-b4-ovpn-v24-0-3ec4ab5c4a77@openvpn.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIABPP2GcC/23SwW7cIBAG4FeJfK5TmIHB9NT3qHoAM3R9qHdlr 6xU0b57x44STxR8w8PHP6B57VZeJl67H0+v3cLbtE7XWRbgvj114yXNf7ifivzowICzxkCfXX/ dbnPP8qEfKboEney+LVynl+OoX93M937ml3v3Wyo5rdznJc3jZT/pvfb9b5rmXV6m9X5d/h09b PHwb2mWPtK22Js+pcyxAPhU/M/rjWepPMtxR8pmjaLgT2qN2DwEjyaEkDk0rNU2KmvFFnYUhzF gglYunBbUA0lBLGCsNSDmGlu5qK26rkWxFGp2mYmIoWGdtrpnJ5YTOByrJWdbuV5ZueNpvVi0j mFMxZAdGpa01bm0W0ZjrPVIAzZseLdeNhllg1gXMmAI7Mm27KAtKjuItdWYkuMIuVDDxtN+vu8 +VwMVX1KF5EL6asEoC+G0sM9VxIqEaM2ArmHhtKhz4ZiNHLK04708ZMOitmquYJ+NQIYojyahG T/bx+PxH8VPjxXXAwAA X-Change-ID: 20241002-b4-ovpn-eeee35c694a2 To: netdev@vger.kernel.org, Eric Dumazet , Jakub Kicinski , Paolo Abeni , Donald Hunter , Antonio Quartulli , Shuah Khan , sd@queasysnail.net, ryazanov.s.a@gmail.com, Andrew Lunn Cc: Simon Horman , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Xiao Liang , steffen.klassert@secunet.com, antony.antony@secunet.com, willemdebruijn.kernel@gmail.com, David Ahern , Andrew Lunn , Shuah Khan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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These patches have retained the tags as they have hardly been touched. The latest code can also be found at: https://github.com/OpenVPN/ovpn-net-next Thanks a lot! Best Regards, Antonio Quartulli OpenVPN Inc. --- Antonio Quartulli (23): net: introduce OpenVPN Data Channel Offload (ovpn) ovpn: add basic netlink support ovpn: add basic interface creation/destruction/management routines ovpn: keep carrier always on for MP interfaces ovpn: introduce the ovpn_peer object ovpn: introduce the ovpn_socket object ovpn: implement basic TX path (UDP) ovpn: implement basic RX path (UDP) ovpn: implement packet processing ovpn: store tunnel and transport statistics ovpn: implement TCP transport skb: implement skb_send_sock_locked_with_flags() ovpn: add support for MSG_NOSIGNAL in tcp_sendmsg ovpn: implement multi-peer support ovpn: implement peer lookup logic ovpn: implement keepalive mechanism ovpn: add support for updating local or remote UDP endpoint ovpn: implement peer add/get/dump/delete via netlink ovpn: implement key add/get/del/swap via netlink ovpn: kill key and notify userspace in case of IV exhaustion ovpn: notify userspace when a peer is deleted ovpn: add basic ethtool support testing/selftests: add test tool and scripts for ovpn module Documentation/netlink/specs/ovpn.yaml | 367 +++ Documentation/netlink/specs/rt_link.yaml | 16 + MAINTAINERS | 11 + drivers/net/Kconfig | 15 + drivers/net/Makefile | 1 + drivers/net/ovpn/Makefile | 22 + drivers/net/ovpn/bind.c | 55 + drivers/net/ovpn/bind.h | 101 + drivers/net/ovpn/crypto.c | 211 ++ drivers/net/ovpn/crypto.h | 145 ++ drivers/net/ovpn/crypto_aead.c | 409 ++++ drivers/net/ovpn/crypto_aead.h | 29 + drivers/net/ovpn/io.c | 455 ++++ drivers/net/ovpn/io.h | 34 + drivers/net/ovpn/main.c | 330 +++ drivers/net/ovpn/main.h | 14 + drivers/net/ovpn/netlink-gen.c | 213 ++ drivers/net/ovpn/netlink-gen.h | 41 + drivers/net/ovpn/netlink.c | 1250 ++++++++++ drivers/net/ovpn/netlink.h | 18 + drivers/net/ovpn/ovpnpriv.h | 57 + drivers/net/ovpn/peer.c | 1364 +++++++++++ drivers/net/ovpn/peer.h | 163 ++ drivers/net/ovpn/pktid.c | 129 ++ drivers/net/ovpn/pktid.h | 87 + drivers/net/ovpn/proto.h | 118 + drivers/net/ovpn/skb.h | 61 + drivers/net/ovpn/socket.c | 244 ++ drivers/net/ovpn/socket.h | 49 + drivers/net/ovpn/stats.c | 21 + drivers/net/ovpn/stats.h | 47 + drivers/net/ovpn/tcp.c | 592 +++++ drivers/net/ovpn/tcp.h | 36 + drivers/net/ovpn/udp.c | 442 ++++ drivers/net/ovpn/udp.h | 25 + include/linux/skbuff.h | 2 + include/uapi/linux/if_link.h | 15 + include/uapi/linux/ovpn.h | 109 + include/uapi/linux/udp.h | 1 + net/core/skbuff.c | 18 +- net/ipv6/af_inet6.c | 1 + net/ipv6/udp.c | 1 + tools/testing/selftests/Makefile | 1 + tools/testing/selftests/net/ovpn/.gitignore | 2 + tools/testing/selftests/net/ovpn/Makefile | 31 + tools/testing/selftests/net/ovpn/common.sh | 92 + tools/testing/selftests/net/ovpn/config | 10 + tools/testing/selftests/net/ovpn/data64.key | 5 + tools/testing/selftests/net/ovpn/ovpn-cli.c | 2395 ++++++++++++++++++++ tools/testing/selftests/net/ovpn/tcp_peers.txt | 5 + .../testing/selftests/net/ovpn/test-chachapoly.sh | 9 + .../selftests/net/ovpn/test-close-socket-tcp.sh | 9 + .../selftests/net/ovpn/test-close-socket.sh | 45 + tools/testing/selftests/net/ovpn/test-float.sh | 9 + tools/testing/selftests/net/ovpn/test-tcp.sh | 9 + tools/testing/selftests/net/ovpn/test.sh | 113 + tools/testing/selftests/net/ovpn/udp_peers.txt | 5 + 57 files changed, 10054 insertions(+), 5 deletions(-) --- base-commit: 702e3fa16cd42ba712825e8d6171ea4755bc0491 change-id: 20241002-b4-ovpn-eeee35c694a2 Best regards,