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-rw-r--r--man/systemd.network.xml8
-rw-r--r--src/network/networkd-network-gperf.gperf1
-rw-r--r--src/network/networkd-route.c40
-rw-r--r--src/network/networkd-route.h1
4 files changed, 50 insertions, 0 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index 629088ea81..e505fbe30f 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -545,6 +545,14 @@
<literal>global</literal>.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>PreferredSource=</varname></term>
+ <listitem>
+ <para>The preferred source address of the route. The address
+ must be in the format described in
+ <citerefentry project='man-pages'><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
+ </listitem>
+ </varlistentry>
</variablelist>
</refsect1>
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 8257ab45da..b6f70e191d 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -61,6 +61,7 @@ Route.Destination, config_parse_destination,
Route.Source, config_parse_destination, 0, 0
Route.Metric, config_parse_route_priority, 0, 0
Route.Scope, config_parse_route_scope, 0, 0
+Route.PreferredSource, config_parse_preferred_src, 0, 0
DHCP.ClientIdentifier, config_parse_dhcp_client_identifier, 0, offsetof(Network, dhcp_client_identifier)
DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
DHCP.UseNTP, config_parse_bool, 0, offsetof(Network, dhcp_ntp)
diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c
index 1f09d95674..ee1ddd81fe 100644
--- a/src/network/networkd-route.c
+++ b/src/network/networkd-route.c
@@ -305,6 +305,46 @@ int config_parse_gateway(const char *unit,
return 0;
}
+int config_parse_preferred_src(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ Network *network = userdata;
+ _cleanup_route_free_ Route *n = NULL;
+ union in_addr_union buffer;
+ int r, f;
+
+ assert(filename);
+ assert(section);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = route_new_static(network, section_line, &n);
+ if (r < 0)
+ return r;
+
+ r = in_addr_from_string_auto(rvalue, &f, &buffer);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Preferred source is invalid, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ n->family = f;
+ n->prefsrc_addr = buffer;
+ n = NULL;
+
+ return 0;
+}
+
int config_parse_destination(const char *unit,
const char *filename,
unsigned line,
diff --git a/src/network/networkd-route.h b/src/network/networkd-route.h
index d090b9c91e..11e94d44fb 100644
--- a/src/network/networkd-route.h
+++ b/src/network/networkd-route.h
@@ -55,6 +55,7 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
#define _cleanup_route_free_ _cleanup_(route_freep)
int config_parse_gateway(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_preferred_src(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_destination(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_route_priority(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_route_scope(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);