udev: introduce NAMING_STABLE_VIRTUAL_MACS (retroactively)

[thirdparty/systemd.git] / src / libsystemd-network / network-internal.c

diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
index a112b9f70f98660a8234f165c9b29ef1e4d30202..9a1b2fba89b80b87771aea47f9d52493619014e1 100644 (file)
--- a/src/libsystemd-network/network-internal.c
+++ b/src/libsystemd-network/network-internal.c
@@ -24,7 +24,7 @@
 #include "utf8.h"
 #include "util.h"
 
-const char *net_get_name(sd_device *device) {
+const char *net_get_name_persistent(sd_device *device) {
         const char *name, *field;
 
         assert(device);
@@ -39,7 +39,7 @@ const char *net_get_name(sd_device *device) {
 
 #define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
 
-int net_get_unique_predictable_data(sd_device *device, uint64_t *result) {
+int net_get_unique_predictable_data(sd_device *device, bool use_sysname, uint64_t *result) {
         size_t l, sz = 0;
         const char *name;
         int r;
@@ -47,10 +47,10 @@ int net_get_unique_predictable_data(sd_device *device, uint64_t *result) {
 
         assert(device);
 
-        /* net_get_name() will return one of the device names based on stable information about the
-         * device. If this is not available, we fall back to using the device name. */
-        name = net_get_name(device);
-        if (!name)
+        /* net_get_name_persistent() will return one of the device names based on stable information about
+         * the device. If this is not available, we fall back to using the actual device name. */
+        name = net_get_name_persistent(device);
+        if (!name && use_sysname)
                 (void) sd_device_get_sysname(device, &name);
         if (!name)
                 return log_device_debug_errno(device, SYNTHETIC_ERRNO(ENODATA),