1 files changed, 22 insertions, 1 deletions
diff --git a/src/libsystemd-network/sd-ipv4acd.c b/src/libsystemd-network/sd-ipv4acd.c
index 2e1e46c1c5..9d6638af48 100644
--- a/src/libsystemd-network/sd-ipv4acd.c
+++ b/src/libsystemd-network/sd-ipv4acd.c
@@ -16,8 +16,8 @@
 #include "ether-addr-util.h"
 #include "event-util.h"
 #include "fd-util.h"
+#include "format-util.h"
 #include "in-addr-util.h"
-#include "list.h"
 #include "random-util.h"
 #include "siphash24.h"
 #include "string-util.h"
@@ -54,6 +54,7 @@ struct sd_ipv4acd {
         int ifindex;
         int fd;
 
+        char ifname[IF_NAMESIZE + 1];
         unsigned n_iteration;
         unsigned n_conflict;
 
@@ -378,15 +379,35 @@ fail:
 }
 
 int sd_ipv4acd_set_ifindex(sd_ipv4acd *acd, int ifindex) {
+        char ifname[IF_NAMESIZE + 1];
+
         assert_return(acd, -EINVAL);
         assert_return(ifindex > 0, -EINVAL);
         assert_return(acd->state == IPV4ACD_STATE_INIT, -EBUSY);
 
+        if (!format_ifname(ifindex, ifname))
+                return -ENODEV;
+
+        strcpy(acd->ifname, ifname);
         acd->ifindex = ifindex;
 
         return 0;
 }
 
+int sd_ipv4acd_get_ifindex(sd_ipv4acd *acd) {
+        if (!acd)
+                return -EINVAL;
+
+        return acd->ifindex;
+}
+
+const char *sd_ipv4acd_get_ifname(sd_ipv4acd *acd) {
+        if (!acd)
+                return NULL;
+
+        return empty_to_null(acd->ifname);
+}
+
 int sd_ipv4acd_set_mac(sd_ipv4acd *acd, const struct ether_addr *addr) {
         assert_return(acd, -EINVAL);
         assert_return(addr, -EINVAL);