The work supports route preference configurable.
i.e. able to set low, medium and high.
<para>The metric of the route (an unsigned integer).</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>IPv6Preference=</varname></term>
+ <listitem>
+ <para>Specifies the route preference as defined in <ulink
+ url="https://tools.ietf.org/html/rfc4191">RFC4191</ulink> for Router Discovery messages.
+ Which can be one of <literal>low</literal> the route has a lowest priority,
+ <literal>medium</literal> the route has a default priority or
+ <literal>high</literal> the route has a highest priority.</para>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><varname>Scope=</varname></term>
<listitem>
Route.PreferredSource, config_parse_preferred_src, 0, 0
Route.Table, config_parse_route_table, 0, 0
Route.GatewayOnlink, config_parse_gateway_onlink, 0, 0
+Route.IPv6Preference, config_parse_ipv6_route_preference, 0, 0
DHCP.ClientIdentifier, config_parse_dhcp_client_identifier, 0, offsetof(Network, dhcp_client_identifier)
DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_use_dns)
DHCP.UseNTP, config_parse_bool, 0, offsetof(Network, dhcp_use_ntp)
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <linux/icmpv6.h>
+
#include "alloc-util.h"
#include "conf-parser.h"
#include "in-addr-util.h"
n->flags |= RTNH_F_ONLINK;
else
n->flags &= ~RTNH_F_ONLINK;
+ n = NULL;
+
+ return 0;
+}
+
+int config_parse_ipv6_route_preference(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;
+ int r;
+
+ if (streq(rvalue, "low"))
+ n->pref = ICMPV6_ROUTER_PREF_LOW;
+ else if (streq(rvalue, "medium"))
+ n->pref = ICMPV6_ROUTER_PREF_MEDIUM;
+ else if (streq(rvalue, "high"))
+ n->pref = ICMPV6_ROUTER_PREF_HIGH;
+ else {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route preference: %s", rvalue);
+ return 0;
+ }
n = NULL;
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);
int config_parse_route_table(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_gateway_onlink(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_ipv6_route_preference(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);