platform: return the macvlan mode as integer

It's easier to handle it as an integer than as a string.

src/platform/nm-linux-platform.c

@@ -1026,7 +1026,6 @@ _parse_lnk_macvlan (const char *kind, struct nlattr *info_data)
 	struct nlattr *tb[IFLA_MACVLAN_MAX + 1];
 	int err;
 	NMPObject *obj;
-	const char *mode;
 
 	if (!info_data || g_strcmp0 (kind, "macvlan"))
 		return NULL;
@@ -1038,26 +1037,9 @@ _parse_lnk_macvlan (const char *kind, struct nlattr *info_data)
 	if (!tb[IFLA_MACVLAN_MODE])
 		return NULL;
 
-	switch (nla_get_u32 (tb[IFLA_MACVLAN_MODE])) {
-	case MACVLAN_MODE_PRIVATE:
-		mode = "private";
-		break;
-	case MACVLAN_MODE_VEPA:
-		mode = "vepa";
-		break;
-	case MACVLAN_MODE_BRIDGE:
-		mode = "bridge";
-		break;
-	case MACVLAN_MODE_PASSTHRU:
-		mode = "passthru";
-		break;
-	default:
-		return NULL;
-	}
-
 	obj = nmp_object_new (NMP_OBJECT_TYPE_LNK_MACVLAN, NULL);
 	props = &obj->lnk_macvlan;
-	props->mode = mode;
+	props->mode = nla_get_u32 (tb[IFLA_MACVLAN_MODE]);
 
 	if (tb[IFLA_MACVLAN_FLAGS])
 		props->no_promisc = NM_FLAGS_HAS (nla_get_u16 (tb[IFLA_MACVLAN_FLAGS]), MACVLAN_FLAG_NOPROMISC);

src/platform/nm-platform.c

@@ -3059,10 +3059,9 @@ nm_platform_lnk_macvlan_to_string (const NMPlatformLnkMacvlan *lnk, char *buf, g
 		return buf;
 
 	g_snprintf (buf, len,
-	            "macvlan%s%s%s",
-	            lnk->mode ? " mode " : "",
-	            lnk->mode ?: "",
-	            lnk->no_promisc ? " not-promisc" : " promisc");
+	            "macvlan mode %u %s",
+	            lnk->mode,
+	            lnk->no_promisc ? "not-promisc" : "promisc");
 	return buf;
 }
 
@@ -3667,7 +3666,7 @@ int
 nm_platform_lnk_macvlan_cmp (const NMPlatformLnkMacvlan *a, const NMPlatformLnkMacvlan *b)
 {
 	_CMP_SELF (a, b);
-	_CMP_FIELD_STR_INTERNED (a, b, mode);
+	_CMP_FIELD (a, b, mode);
 	_CMP_FIELD_BOOL (a, b, no_promisc);
 	return 0;
 }

src/platform/nm-platform.h

@@ -24,6 +24,7 @@
 #include <netinet/in.h>
 #include <linux/if.h>
 #include <linux/if_addr.h>
+#include <linux/if_link.h>
 
 #include "nm-dbus-interface.h"
 #include "nm-default.h"
@@ -399,7 +400,7 @@ typedef struct {
 } NMPlatformLnkIpIp;
 
 typedef struct {
-	const char *mode;
+	guint mode;
 	gboolean no_promisc;
 } NMPlatformLnkMacvlan;
 

src/platform/tests/test-link.c

@@ -867,7 +867,7 @@ test_software_detect (gconstpointer user_data)
 
 			g_assert (plnk == nm_platform_link_get_lnk_macvlan (NM_PLATFORM_GET, ifindex, NULL));
 			g_assert_cmpint (plnk->no_promisc, ==, FALSE);
-			g_assert_cmpstr (plnk->mode, ==, "vepa");
+			g_assert_cmpint (plnk->mode, ==, MACVLAN_MODE_VEPA);
 			break;
 		}
 		case NM_LINK_TYPE_SIT: {