Am 24.06.22 um 10:37 schrieb Antonio Quartulli:
Signed-off-by: Antonio Quartulli <a...@unstable.cc>
---
src/openvpn/options.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index 9a0634a5..7b450296 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -61,6 +61,7 @@
#include "ssl_verify.h"
#include "platform.h"
#include "xkey_common.h"
+#include "dco.h"
#include <ctype.h>
#include "memdbg.h"
@@ -106,6 +107,9 @@ const char title_string[] =
#endif
#endif
" [AEAD]"
+#ifdef ENABLE_DCO
+ " [DCO]"
+#endif
" built on " __DATE__
;
@@ -177,6 +181,9 @@ static const char usage_message[] =
" does not begin with \"tun\" or \"tap\".\n"
"--dev-node node : Explicitly set the device node rather than using\n"
" /dev/net/tun, /dev/tun, /dev/tap, etc.\n"
+#if defined(ENABLE_DCO) && defined(TARGET_LINUX)
+ "--disable-dco : Do not attempt using Data Channel Offload.\n"
+#endif
"--lladdr hw : Set the link layer address of the tap device.\n"
"--topology t : Set --dev tun topology: 'net30', 'p2p', or 'subnet'.\n"
#ifdef ENABLE_IPROUTE
@@ -1711,6 +1718,9 @@ show_settings(const struct options *o)
SHOW_STR(dev);
SHOW_STR(dev_type);
SHOW_STR(dev_node);
+#if defined(ENABLE_DCO) && defined(TARGET_LINUX)
+ SHOW_BOOL(tuntap_options.disable_dco);
+#endif
SHOW_STR(lladdr);
SHOW_INT(topology);
SHOW_STR(ifconfig_local);
@@ -3210,6 +3220,14 @@ options_postprocess_verify(const struct options *o)
}
dns_options_verify(M_FATAL, &o->dns_options);
+
+ if (dco_enabled(o) && o->enable_c2c)
+ {
+ msg(M_WARN, "Note: --client-to-client has no effect when using data "
+ "channel offload: packets are always sent to the VPN "
+ "interface and then routed based on the system routing "
+ "table");
+ }
You should add at least one of them to the man page and document it.
Arne
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