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Message-Id: <20250304-b4-ovpn-tmp-v21-0-d3cbb74bb581@openvpn.net>
Date: Tue, 04 Mar 2025 01:33:30 +0100
From: Antonio Quartulli <antonio@...nvpn.net>
To: netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Donald Hunter <donald.hunter@...il.com>,
Antonio Quartulli <antonio@...nvpn.net>, Shuah Khan <shuah@...nel.org>,
sd@...asysnail.net, ryazanov.s.a@...il.com,
Andrew Lunn <andrew+netdev@...n.ch>
Cc: Simon Horman <horms@...nel.org>, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org, Xiao Liang <shaw.leon@...il.com>,
steffen.klassert@...unet.com, antony.antony@...unet.com,
willemdebruijn.kernel@...il.com, David Ahern <dsahern@...nel.org>,
Andrew Lunn <andrew@...n.ch>, Shuah Khan <skhan@...uxfoundation.org>
Subject: [PATCH v21 00/24] Introducing OpenVPN Data Channel Offload
Notable changes since v20:
* removed newline at the end of message in NL_SET_ERR_MSG_FMT_MOD
* dropped udp_init() and related build_protos() and directly use
.encap_destroy [instead of overriding sk->close()]
* defered peer_del() call to worker in case of transport errors, as
we may be in non-sleepable context
* used kfree() instead of kfree_rcu() when releasing socket as we
just invoked synchronize_rcu()
* fix comment in ovpn_tcp_parse()
* invoked peer->tcp.sk_cb.prot->release_cb instead of explicitly
calling tcp_release_cb. This way we don't need to export it again
* moved call to peer_put() after call to peer->tcp.sk_cb.prot->close
* moved switch(mode) inside ovpn_peers_free()
* simplified skip logic in ovpn_peers_free()
* fixed check to avoid passing a negative delay to keepalive's
schedule_work()
Please note that some patches were already reviewed/tested by a few
people. 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.
To: netdev@...r.kernel.org
To: Eric Dumazet <edumazet@...gle.com>
To: Jakub Kicinski <kuba@...nel.org>
To: Paolo Abeni <pabeni@...hat.com>
To: Donald Hunter <donald.hunter@...il.com>
To: Antonio Quartulli <antonio@...nvpn.net>
To: Shuah Khan <shuah@...nel.org>
To: sd@...asysnail.net
To: ryazanov.s.a@...il.com
To: Andrew Lunn <andrew+netdev@...n.ch>
Cc: Simon Horman <horms@...nel.org>
Cc: linux-kernel@...r.kernel.org
Cc: linux-kselftest@...r.kernel.org
Cc: Xiao Liang <shaw.leon@...il.com>
Signed-off-by: Antonio Quartulli <antonio@...nvpn.net>
---
Antonio Quartulli (24):
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 UDP endpoint
ovpn: add support for peer floating
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 | 371 +++
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 | 408 ++++
drivers/net/ovpn/crypto_aead.h | 33 +
drivers/net/ovpn/io.c | 462 ++++
drivers/net/ovpn/io.h | 34 +
drivers/net/ovpn/main.c | 339 +++
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 | 1249 ++++++++++
drivers/net/ovpn/netlink.h | 18 +
drivers/net/ovpn/ovpnpriv.h | 57 +
drivers/net/ovpn/peer.c | 1352 +++++++++++
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 | 110 +
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, 10065 insertions(+), 5 deletions(-)
---
base-commit: fb05579a176f7bccc8d279665fc0e46dfed43dfb
change-id: 20250304-b4-ovpn-tmp-153379e78603
Best regards,
--
Antonio Quartulli <antonio@...nvpn.net>
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