Hi all,
this is the first official submission of the ovpn-dco support for
OpenVPN 2. This patchset is ready for review (and possible merge).
Please have a look, test and try to break it!
What has changed from the RFCv2 (sent on Jan 14th):
* DCO API has been modified to allow specifying a value for mssfix.
However only ovpn-dco-win will pick up this value and do something
meaningful. On linux is yet to be decided how to handle it.
* peer_add() and peer_set() have been decoupled so that the latter
can be invoked at the right time, after some parameters have been
computed (i.e. mssfix).
* routes and iroutes are now installed with a default metric of 200
for the former and 100 for the latter. this guarantees that iroutes
always have higher priority (iroutes are basically routes with a
specific nexthop).
* The ovpn-dco interface is now configured in p2p mode when launching
OpenVPN as client or p2p, while it is configured in mp (multipeer)
mode when launching OpenVPN in server mode.
* Reverse Path Filtering is now enabled automatically when the interface
is configured in mp mode (this is a change in ovpn-dco itself).
* some more intra-OpenVPN DCO API polishing.
* a few minor things I may not be recalling now...
A working copy of this patchset, always based on top of laest master, is
available in the OpenVPN repo in the "dco" branch.
Thanks a lot!
Regards,
Antonio Quartulli (4):
networking: silence warnings about unused arguments
networking: implement net_iface_new and net_iface_del APIs
ovpn-dco: introduce linux data-channel offload support
GitHub Actions: add Linux DCO build (on Ubuntu 20.04)
Arne Schwabe (3):
networking: remove duplicate methods from networking_sitnl.c
tun: extract close_tun_handle into its own fucntion and print correct
type
ovpn-dco-win: introduce windows data-channel offload support
.github/workflows/build.yaml | 16 +-
Changes.rst | 7 +
README.dco.md | 138 +++
config-msvc.h | 2 +
configure.ac | 35 +
doc/man-sections/advanced-options.rst | 13 +
doc/man-sections/server-options.rst | 6 +
src/compat/Makefile.am | 3 +-
src/compat/compat-dco_get_overlapped_result.c | 44 +
src/compat/compat.h | 6 +
src/compat/compat.vcxproj | 1 +
src/compat/compat.vcxproj.filters | 3 +
src/openvpn/Makefile.am | 5 +-
src/openvpn/crypto.c | 1 +
src/openvpn/dco.c | 631 +++++++++++++
src/openvpn/dco.h | 310 ++++++
src/openvpn/dco_internal.h | 81 ++
src/openvpn/dco_linux.c | 888 ++++++++++++++++++
src/openvpn/dco_linux.h | 61 ++
src/openvpn/dco_win.c | 397 ++++++++
src/openvpn/dco_win.h | 57 ++
src/openvpn/errlevel.h | 2 +
src/openvpn/event.h | 3 +
src/openvpn/forward.c | 79 +-
src/openvpn/init.c | 204 +++-
src/openvpn/init.h | 2 +-
src/openvpn/misc.h | 3 +-
src/openvpn/mtcp.c | 61 +-
src/openvpn/mudp.c | 13 +
src/openvpn/multi.c | 227 ++++-
src/openvpn/multi.h | 6 +-
src/openvpn/networking.h | 37 +-
src/openvpn/networking_iproute2.c | 35 +
src/openvpn/networking_sitnl.c | 100 +-
src/openvpn/openvpn.vcxproj | 6 +-
src/openvpn/openvpn.vcxproj.filters | 15 +
src/openvpn/options.c | 51 +-
src/openvpn/options.h | 15 +
src/openvpn/ovpn-dco-win.h | 108 +++
src/openvpn/ovpn_dco_linux.h | 265 ++++++
src/openvpn/socket.c | 105 ++-
src/openvpn/socket.h | 21 +-
src/openvpn/ssl.c | 80 +-
src/openvpn/ssl.h | 7 +-
src/openvpn/ssl_common.h | 23 +
src/openvpn/ssl_ncp.c | 2 +-
src/openvpn/tun.c | 245 +++--
src/openvpn/tun.h | 62 +-
tests/unit_tests/openvpn/test_networking.c | 25 +-
49 files changed, 4239 insertions(+), 268 deletions(-)
create mode 100644 README.dco.md
create mode 100644 src/compat/compat-dco_get_overlapped_result.c
create mode 100644 src/openvpn/dco.c
create mode 100644 src/openvpn/dco.h
create mode 100644 src/openvpn/dco_internal.h
create mode 100644 src/openvpn/dco_linux.c
create mode 100644 src/openvpn/dco_linux.h
create mode 100644 src/openvpn/dco_win.c
create mode 100644 src/openvpn/dco_win.h
create mode 100644 src/openvpn/ovpn-dco-win.h
create mode 100644 src/openvpn/ovpn_dco_linux.h
--
2.35.1
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