sd-network: move link_get_type_string()

2 files changed, 24 insertions, 0 deletions

diff --git a/src/libsystemd/sd-network/network-util.c b/src/libsystemd/sd-network/network-util.c
index 0addabe10a..f3d6061578 100644
--- a/src/libsystemd/sd-network/network-util.c
+++ b/src/libsystemd/sd-network/network-util.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 
 #include "alloc-util.h"
+#include "arphrd-list.h"
 #include "fd-util.h"
 #include "network-util.h"
 #include "string-table.h"
@@ -103,3 +104,23 @@ int parse_operational_state_range(const char *str, LinkOperationalStateRange *ou
 
         return 0;
 }
+
+char *link_get_type_string(sd_device *device, unsigned short iftype) {
+        const char *t;
+        char *p;
+
+        if (device &&
+            sd_device_get_devtype(device, &t) >= 0 &&
+            !isempty(t))
+                return strdup(t);
+
+        t = arphrd_to_name(iftype);
+        if (!t)
+                return NULL;
+
+        p = strdup(t);
+        if (!p)
+                return NULL;
+
+        return ascii_strlower(p);
+}
diff --git a/src/libsystemd/sd-network/network-util.h b/src/libsystemd/sd-network/network-util.h
index 425d192f64..1422a57279 100644
--- a/src/libsystemd/sd-network/network-util.h
+++ b/src/libsystemd/sd-network/network-util.h
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
+#include "sd-device.h"
 #include "sd-network.h"
 
 #include "macro.h"
@@ -58,3 +59,5 @@ typedef struct LinkOperationalStateRange {
                                                                    LINK_OPERSTATE_ROUTABLE }
 
 int parse_operational_state_range(const char *str, LinkOperationalStateRange *out);
+
+char *link_get_type_string(sd_device *device, unsigned short iftype);