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Message-Id: <20250311-b4-ovpn-v22-0-2b7b02155412@openvpn.net>
Date: Tue, 11 Mar 2025 13:02:01 +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 net-next v22 00/23] Introducing OpenVPN Data Channel
Offload
Notable changes since v21:
* accessed crypto_slot->primary_idx via READ/WRITE_ONCE
* made ovpn_aead_init() static
* converted link tx/rx packet counters from u32 to to uint
* ensured all u32 NL attributes are read by nla_get_u32()
* ensured all u32 NL attrivutes are written by nla_put_u32()
* reset cache upon float or local endpoint change
* dropped check for delta > 0 in keepalive worker scheduling
* improved comments in update endpoints logic
* converted local_ip to void* to avoid useless casts
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.
---
Changes in v21:
- EDITME: describe what is new in this series revision.
- EDITME: use bulletpoints and terse descriptions.
- Link to v20: https://lore.kernel.org/r/20250227-b4-ovpn-v20-0-93f363310834@openvpn.net
---
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 | 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 | 1367 +++++++++++
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, 10072 insertions(+), 5 deletions(-)
---
base-commit: 40587f749df216889163dd6e02d88ad53e759e66
change-id: 20241002-b4-ovpn-eeee35c694a2
Best regards,
--
Antonio Quartulli <antonio@...nvpn.net>
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