sd-netlink: introduce sd_rtnl_message_traffic_control_get_{ifindex,parent,handle}()

diff --git a/src/libsystemd/sd-netlink/netlink-message-rtnl.c b/src/libsystemd/sd-netlink/netlink-message-rtnl.c
index 888d097d9864a80026ca0952d6f0f43059446936..56fb74727e3aa73b222eefbc27904c40ee9bdba3 100644 (file)
--- a/src/libsystemd/sd-netlink/netlink-message-rtnl.c
+++ b/src/libsystemd/sd-netlink/netlink-message-rtnl.c
@@ -1072,6 +1072,48 @@ int sd_rtnl_message_new_traffic_control(
         return 0;
 }
 
+int sd_rtnl_message_traffic_control_get_ifindex(sd_netlink_message *m, int *ret) {
+        struct tcmsg *tcm;
+
+        assert_return(m, -EINVAL);
+        assert_return(m->hdr, -EINVAL);
+        assert_return(rtnl_message_type_is_traffic_control(m->hdr->nlmsg_type), -EINVAL);
+        assert_return(ret, -EINVAL);
+
+        tcm = NLMSG_DATA(m->hdr);
+        *ret = tcm->tcm_ifindex;
+
+        return 0;
+}
+
+int sd_rtnl_message_traffic_control_get_handle(sd_netlink_message *m, uint32_t *ret) {
+        struct tcmsg *tcm;
+
+        assert_return(m, -EINVAL);
+        assert_return(m->hdr, -EINVAL);
+        assert_return(rtnl_message_type_is_traffic_control(m->hdr->nlmsg_type), -EINVAL);
+        assert_return(ret, -EINVAL);
+
+        tcm = NLMSG_DATA(m->hdr);
+        *ret = tcm->tcm_handle;
+
+        return 0;
+}
+
+int sd_rtnl_message_traffic_control_get_parent(sd_netlink_message *m, uint32_t *ret) {
+        struct tcmsg *tcm;
+
+        assert_return(m, -EINVAL);
+        assert_return(m->hdr, -EINVAL);
+        assert_return(rtnl_message_type_is_traffic_control(m->hdr->nlmsg_type), -EINVAL);
+        assert_return(ret, -EINVAL);
+
+        tcm = NLMSG_DATA(m->hdr);
+        *ret = tcm->tcm_parent;
+
+        return 0;
+}
+
 int sd_rtnl_message_new_mdb(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int mdb_ifindex) {
         struct br_port_msg *bpm;
         int r;

diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h
index 6b1fcd45219d7ef365fc072c42bfbb3b31c502f4..6030d9f9e825e58d34276c5545281327d9eb0c20 100644 (file)
--- a/src/systemd/sd-netlink.h
+++ b/src/systemd/sd-netlink.h
@@ -204,6 +204,9 @@ int sd_rtnl_message_routing_policy_rule_get_flags(sd_netlink_message *m, uint32_
 
 int sd_rtnl_message_new_traffic_control(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type,
                                         int ifindex, uint32_t handle, uint32_t parent);
+int sd_rtnl_message_traffic_control_get_ifindex(sd_netlink_message *m, int *ret);
+int sd_rtnl_message_traffic_control_get_handle(sd_netlink_message *m, uint32_t *ret);
+int sd_rtnl_message_traffic_control_get_parent(sd_netlink_message *m, uint32_t *ret);
 
 int sd_rtnl_message_new_mdb(sd_netlink *rtnl, sd_netlink_message **ret, uint16_t nlmsg_type, int mdb_ifindex);