Merge pull request #3132 from ssahani/route-table

networkd: add support to set route table

3 files changed, 66 insertions, 2 deletions

diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 654d6a0316..471e300fde 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -71,6 +71,7 @@ Route.Source,                           config_parse_destination,
 Route.Metric,                           config_parse_route_priority,                    0,                             0
 Route.Scope,                            config_parse_route_scope,                       0,                             0
 Route.PreferredSource,                  config_parse_preferred_src,                     0,                             0
+Route.Table,                            config_parse_route_table,                       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)
diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c
index bda2707e6d..01094b20bd 100644
--- a/src/network/networkd-route.c
+++ b/src/network/networkd-route.c
@@ -451,6 +451,10 @@ int route_configure(Route *route, Link *link,
                         r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6);
                 if (r < 0)
                         return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
+
+                r = sd_rtnl_message_route_set_family(req, route->family);
+                if (r < 0)
+                        return log_error_errno(r, "Could not set route family: %m");
         }
 
         if (route->dst_prefixlen) {
@@ -494,7 +498,26 @@ int route_configure(Route *route, Link *link,
 
         r = sd_rtnl_message_route_set_flags(req, route->flags);
         if (r < 0)
-                return log_error_errno(r, "Colud not set flags: %m");
+                return log_error_errno(r, "Could not set flags: %m");
+
+        if (route->table != RT_TABLE_DEFAULT) {
+
+                if (route->table < 256) {
+                        r = sd_rtnl_message_route_set_table(req, route->table);
+                        if (r < 0)
+                                return log_error_errno(r, "Could not set route table: %m");
+                } else {
+
+                        r = sd_rtnl_message_route_set_table(req, RT_TABLE_UNSPEC);
+                        if (r < 0)
+                                return log_error_errno(r, "Could not set route table: %m");
+
+                        /* Table attribute to allow allow more than 256. */
+                        r = sd_netlink_message_append_data(req, RTA_TABLE, &route->table, sizeof(route->table));
+                        if (r < 0)
+                                return log_error_errno(r, "Could not append RTA_TABLE attribute: %m");
+                }
+        }
 
         r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority);
         if (r < 0)
@@ -777,3 +800,42 @@ int config_parse_route_scope(const char *unit,
 
         return 0;
 }
+
+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) {
+        _cleanup_route_free_ Route *n = NULL;
+        Network *network = userdata;
+        uint32_t k;
+        int r;
+
+        assert(filename);
+        assert(section);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = route_new_static(network, section_line, &n);
+        if (r < 0)
+                return r;
+
+        r = safe_atou32(rvalue, &k);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r,
+                           "Could not parse route table number \"%s\", ignoring assignment: %m", rvalue);
+                return 0;
+        }
+
+        n->table = k;
+
+        n = NULL;
+
+        return 0;
+}
diff --git a/src/network/networkd-route.h b/src/network/networkd-route.h
index a4a4bf2653..3ddeea96b7 100644
--- a/src/network/networkd-route.h
+++ b/src/network/networkd-route.h
@@ -37,7 +37,7 @@ struct Route {
         unsigned char protocol;  /* RTPROT_* */
         unsigned char tos;
         uint32_t priority; /* note that ip(8) calls this 'metric' */
-        unsigned char table;
+        uint32_t table;
         unsigned char pref;
         unsigned flags;
 
@@ -74,3 +74,4 @@ int config_parse_preferred_src(const char *unit, const char *filename, unsigned
 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);
+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);