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-rw-r--r--net/ifup.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/net/ifup.c b/net/ifup.c
index 827c5c03d1..d550f82530 100644
--- a/net/ifup.c
+++ b/net/ifup.c
@@ -28,6 +28,9 @@
#include <globalvar.h>
#include <string.h>
#include <driver.h>
+#include <init.h>
+#include <globalvar.h>
+#include <magicvar.h>
#include <linux/stat.h>
static int eth_discover(char *file)
@@ -245,6 +248,8 @@ int ifup(const char *ethname, unsigned flags)
return ifup_edev(edev, flags);
}
+static int net_ifup_force_detect;
+
int ifup_all(unsigned flags)
{
struct eth_device *edev;
@@ -266,7 +271,9 @@ int ifup_all(unsigned flags)
closedir(dir);
- device_detect_all();
+ if ((flags & IFUP_FLAG_FORCE) || net_ifup_force_detect ||
+ list_empty(&netdev_list))
+ device_detect_all();
for_each_netdev(edev)
ifup_edev(edev, flags);
@@ -274,6 +281,18 @@ int ifup_all(unsigned flags)
return 0;
}
+static int ifup_all_init(void)
+{
+ globalvar_add_simple_bool("net.ifup_force_detect", &net_ifup_force_detect);
+
+ return 0;
+}
+late_initcall(ifup_all_init);
+
+BAREBOX_MAGICVAR_NAMED(global_net_ifup_force_detect,
+ global.net.ifup_force_detect,
+ "net: force detection of devices on ifup -a");
+
#if IS_ENABLED(CONFIG_NET_CMD_IFUP)
static int do_ifup(int argc, char *argv[])