net: Move remaining common functions to eth_common.c
Move eth_current_changed(), eth_set_current(), eth_mac_skip() and
eth_get_name() into the common file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/net/eth_common.c b/net/eth_common.c
index 3fa6d83..2880901 100644
--- a/net/eth_common.c
+++ b/net/eth_common.c
@@ -7,7 +7,9 @@
*/
#include <common.h>
+#include <dm.h>
#include <miiphy.h>
+#include <net.h>
#include "eth_internal.h"
void eth_parse_enetaddr(const char *addr, uchar *enetaddr)
@@ -64,3 +66,101 @@
phy_init();
#endif
}
+
+int eth_mac_skip(int index)
+{
+ char enetvar[15];
+ char *skip_state;
+
+ sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index);
+ skip_state = getenv(enetvar);
+ return skip_state != NULL;
+}
+
+void eth_current_changed(void)
+{
+ char *act = getenv("ethact");
+ char *ethrotate;
+
+ /*
+ * The call to eth_get_dev() below has a side effect of rotating
+ * ethernet device if uc_priv->current == NULL. This is not what
+ * we want when 'ethrotate' variable is 'no'.
+ */
+ ethrotate = getenv("ethrotate");
+ if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
+ return;
+
+ /* update current ethernet name */
+ if (eth_get_dev()) {
+ if (act == NULL || strcmp(act, eth_get_name()) != 0)
+ setenv("ethact", eth_get_name());
+ }
+ /*
+ * remove the variable completely if there is no active
+ * interface
+ */
+ else if (act != NULL)
+ setenv("ethact", NULL);
+}
+
+void eth_try_another(int first_restart)
+{
+ static void *first_failed;
+ char *ethrotate;
+
+ /*
+ * Do not rotate between network interfaces when
+ * 'ethrotate' variable is set to 'no'.
+ */
+ ethrotate = getenv("ethrotate");
+ if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
+ return;
+
+ if (!eth_get_dev())
+ return;
+
+ if (first_restart)
+ first_failed = eth_get_dev();
+
+ eth_set_current_to_next();
+
+ eth_current_changed();
+
+ if (first_failed == eth_get_dev())
+ net_restart_wrap = 1;
+}
+
+void eth_set_current(void)
+{
+ static char *act;
+ static int env_changed_id;
+ int env_id;
+
+ env_id = get_env_id();
+ if ((act == NULL) || (env_changed_id != env_id)) {
+ act = getenv("ethact");
+ env_changed_id = env_id;
+ }
+
+ if (act == NULL) {
+ char *ethprime = getenv("ethprime");
+ void *dev = NULL;
+
+ if (ethprime)
+ dev = eth_get_dev_by_name(ethprime);
+ if (dev)
+ eth_set_dev(dev);
+ else
+ eth_set_dev(NULL);
+ } else {
+ eth_set_dev(eth_get_dev_by_name(act));
+ }
+
+ eth_current_changed();
+}
+
+const char *eth_get_name(void)
+{
+ return eth_get_dev() ? eth_get_dev()->name : "unknown";
+}