2 files changed, 18 insertions, 0 deletions
diff --git a/lib/prefix.c b/lib/prefix.c
index 1d098f78c5..dbb9d0e1b1 100644
--- a/lib/prefix.c
+++ b/lib/prefix.c
@@ -138,6 +138,23 @@ afi_t family2afi(int family)
 	return 0;
 }
 
+const char *afi2str_lower(afi_t afi)
+{
+	switch (afi) {
+	case AFI_IP:
+		return "ipv4";
+	case AFI_IP6:
+		return "ipv6";
+	case AFI_L2VPN:
+		return "l2vpn";
+	case AFI_MAX:
+	case AFI_UNSPEC:
+		return "bad-value";
+	}
+
+	assert(!"Reached end of function we should never reach");
+}
+
 const char *afi2str(afi_t afi)
 {
 	switch (afi) {
diff --git a/lib/prefix.h b/lib/prefix.h
index 7de8d7903e..ddcec4527e 100644
--- a/lib/prefix.h
+++ b/lib/prefix.h
@@ -398,6 +398,7 @@ extern afi_t family2afi(int);
 extern const char *family2str(int family);
 extern const char *safi2str(safi_t safi);
 extern const char *afi2str(afi_t afi);
+extern const char *afi2str_lower(afi_t afi);
 
 static inline afi_t prefix_afi(union prefixconstptr pu)
 {