sd-netlink: introduce route attribute set API

Introduce
1. sd_rtnl_message_route_set_table to set table ID
2. sd_rtnl_message_route_set_family to set family

Both required to configure route properties.

2 files changed, 30 insertions, 0 deletions

diff --git a/src/libsystemd/sd-netlink/rtnl-message.c b/src/libsystemd/sd-netlink/rtnl-message.c
index f251536a89..09240c7b2a 100644
--- a/src/libsystemd/sd-netlink/rtnl-message.c
+++ b/src/libsystemd/sd-netlink/rtnl-message.c
@@ -111,6 +111,20 @@ int sd_rtnl_message_route_get_flags(sd_netlink_message *m, unsigned *flags) {
         return 0;
 }
 
+int sd_rtnl_message_route_set_table(sd_netlink_message *m, unsigned char table) {
+        struct rtmsg *rtm;
+
+        assert_return(m, -EINVAL);
+        assert_return(m->hdr, -EINVAL);
+        assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL);
+
+        rtm = NLMSG_DATA(m->hdr);
+
+        rtm->rtm_table = table;
+
+        return 0;
+}
+
 int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family) {
         struct rtmsg *rtm;
 
@@ -126,6 +140,20 @@ int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family) {
         return 0;
 }
 
+int sd_rtnl_message_route_set_family(sd_netlink_message *m, int family) {
+        struct rtmsg *rtm;
+
+        assert_return(m, -EINVAL);
+        assert_return(m->hdr, -EINVAL);
+        assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL);
+
+        rtm = NLMSG_DATA(m->hdr);
+
+        rtm->rtm_family = family;
+
+        return 0;
+}
+
 int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol) {
         struct rtmsg *rtm;
 
diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h
index af7a797567..3ae110c080 100644
--- a/src/systemd/sd-netlink.h
+++ b/src/systemd/sd-netlink.h
@@ -137,8 +137,10 @@ int sd_rtnl_message_route_set_dst_prefixlen(sd_netlink_message *m, unsigned char
 int sd_rtnl_message_route_set_src_prefixlen(sd_netlink_message *m, unsigned char prefixlen);
 int sd_rtnl_message_route_set_scope(sd_netlink_message *m, unsigned char scope);
 int sd_rtnl_message_route_set_flags(sd_netlink_message *m, unsigned flags);
+int sd_rtnl_message_route_set_table(sd_netlink_message *m, unsigned char table);
 int sd_rtnl_message_route_get_flags(sd_netlink_message *m, unsigned *flags);
 int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family);
+int sd_rtnl_message_route_set_family(sd_netlink_message *m, int family);
 int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol);
 int sd_rtnl_message_route_get_scope(sd_netlink_message *m, unsigned char *scope);
 int sd_rtnl_message_route_get_tos(sd_netlink_message *m, unsigned char *tos);