diff options
| author | Antonio Quartulli | 2022-06-24 10:37:45 +0200 |
|---|---|---|
| committer | Gert Doering | 2022-06-28 14:35:27 +0200 |
| commit | e34437c26b764851555e4acbe2ccca6bec235c7e (patch) | |
| tree | ff89dbef44bf843a9627890f1cba4fe135aa802d /configure.ac | |
| parent | 1f7f7d2a8943b5e33f86f208cce8f5d10c91a8f4 (diff) | |
| download | openvpn-e34437c26b764851555e4acbe2ccca6bec235c7e.zip openvpn-e34437c26b764851555e4acbe2ccca6bec235c7e.tar.gz | |
dco: introduce low-level code for handling ovpn-dco in the Linux kernel
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Acked-by: Arne Schwabe <arne@rfc2549.org>
Message-Id: <20220624083809.23487-2-a@unstable.cc>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg24512.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 9c89871..353da08 100644 --- a/configure.ac +++ b/configure.ac @@ -143,6 +143,13 @@ AC_ARG_ENABLE( ) AC_ARG_ENABLE( + [dco], + [AS_HELP_STRING([--enable-dco], [enable data channel offload support using ovpn-dco kernel module @<:@default=no@:>@])], + , + [enable_dco="no"] +) + +AC_ARG_ENABLE( [iproute2], [AS_HELP_STRING([--enable-iproute2], [enable support for iproute2 @<:@default=no@:>@])], , @@ -760,6 +767,32 @@ PKG_CHECK_MODULES( [] ) + +if test "$enable_dco" = "yes"; then +dnl +dnl Include generic netlink library used to talk to ovpn-dco +dnl + + case "$host" in + *-*-linux*) + PKG_CHECK_MODULES([LIBNL_GENL], + [libnl-genl-3.0 >= 3.4.0], + [have_libnl="yes"], + [AC_MSG_ERROR([libnl-genl-3.0 package not found or too old. Is the development package and pkg-config installed? Must be version 3.4.0 or newer])] + ) + + CFLAGS="${CFLAGS} ${LIBNL_GENL_CFLAGS}" + LIBS="${LIBS} ${LIBNL_GENL_LIBS}" + + AC_DEFINE(ENABLE_DCO, 1, [Enable shared data channel offload]) + AC_MSG_NOTICE([Enabled ovpn-dco support for Linux]) + ;; + *) + AC_MSG_NOTICE([Ignoring --enable-dco on non Linux platform]) + ;; + esac +fi + if test "${with_crypto_library}" = "openssl"; then AC_ARG_VAR([OPENSSL_CFLAGS], [C compiler flags for OpenSSL]) AC_ARG_VAR([OPENSSL_LIBS], [linker flags for OpenSSL]) @@ -1196,6 +1229,7 @@ fi AM_CONDITIONAL([HAVE_SITNL], [false]) if test "${enable_iproute2}" = "yes"; then + test "${enable_dco}" = "yes" && AC_MSG_ERROR([iproute2 support cannot be enabled when using DCO]) test -z "${IPROUTE}" && AC_MSG_ERROR([ip utility is required but missing]) AC_DEFINE([ENABLE_IPROUTE], [1], [enable iproute2 support]) else if test "${have_sitnl}" = "yes"; then |