X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=net%2Feth.c;h=eac4f7b3d0ed602c852d0f47dd9580670f8292da;hb=b5e7c84f72ee6ce991569a4db610ab0b4a2a9978;hp=d9a643073d8a0eecd305f07e3605d97a39e71c4b;hpb=de30122bb58fee7b0f94bcfabab595b6ad757336;p=u-boot

diff --git a/net/eth.c b/net/eth.c
index d9a643073d..eac4f7b3d0 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2001-2010
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -26,6 +10,7 @@
 #include <net.h>
 #include <miiphy.h>
 #include <phy.h>
+#include <asm/errno.h>
 
 void eth_parse_enetaddr(const char *addr, uchar *enetaddr)
 {
@@ -62,6 +47,15 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index,
 	return eth_getenv_enetaddr(enetvar, enetaddr);
 }
 
+static inline int eth_setenv_enetaddr_by_index(const char *base_name, int index,
+				 uchar *enetaddr)
+{
+	char enetvar[32];
+	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
+	return eth_setenv_enetaddr(enetvar, enetaddr);
+}
+
+
 static int eth_mac_skip(int index)
 {
 	char enetvar[15];
@@ -90,12 +84,8 @@ static struct {
 static unsigned int eth_rcv_current, eth_rcv_last;
 #endif
 
-static struct eth_device *eth_devices, *eth_current;
-
-struct eth_device *eth_get_dev(void)
-{
-	return eth_current;
-}
+static struct eth_device *eth_devices;
+struct eth_device *eth_current;
 
 struct eth_device *eth_get_dev_by_name(const char *devname)
 {
@@ -163,6 +153,11 @@ static void eth_current_changed(void)
 		setenv("ethact", NULL);
 }
 
+static int eth_address_set(unsigned char *addr)
+{
+	return memcmp(addr, "\0\0\0\0\0\0", 6);
+}
+
 int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 		   int eth_number)
 {
@@ -171,8 +166,8 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 
 	eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr);
 
-	if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
-		if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
+	if (eth_address_set(env_enetaddr)) {
+		if (eth_address_set(dev->enetaddr) &&
 				memcmp(dev->enetaddr, env_enetaddr, 6)) {
 			printf("\nWarning: %s MAC addresses don't match:\n",
 				dev->name);
@@ -183,12 +178,28 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 		}
 
 		memcpy(dev->enetaddr, env_enetaddr, 6);
+	} else if (is_valid_ether_addr(dev->enetaddr)) {
+		eth_setenv_enetaddr_by_index(base_name, eth_number,
+					     dev->enetaddr);
+		printf("\nWarning: %s using MAC address from net device\n",
+			dev->name);
+	} else if (!(eth_address_set(dev->enetaddr))) {
+		printf("\nError: %s address not set.\n",
+		       dev->name);
+		return -EINVAL;
 	}
 
-	if (dev->write_hwaddr &&
-			!eth_mac_skip(eth_number) &&
-			is_valid_ether_addr(dev->enetaddr))
+	if (dev->write_hwaddr && !eth_mac_skip(eth_number)) {
+		if (!is_valid_ether_addr(dev->enetaddr)) {
+			printf("\nError: %s address %pM illegal value\n",
+				 dev->name, dev->enetaddr);
+			return -EINVAL;
+		}
+
 		ret = dev->write_hwaddr(dev);
+		if (ret)
+			printf("\nWarning: %s failed to set MAC address\n", dev->name);
+	}
 
 	return ret;
 }
@@ -260,7 +271,7 @@ int eth_initialize(bd_t *bis)
 	eth_current = NULL;
 
 	bootstage_mark(BOOTSTAGE_ID_NET_ETH_START);
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
 	miiphy_init();
 #endif
 
@@ -306,8 +317,7 @@ int eth_initialize(bd_t *bis)
 				puts("\nWarning: eth device name has a space!"
 					"\n");
 
-			if (eth_write_hwaddr(dev, "eth", dev->index))
-				puts("\nWarning: failed to set MAC address\n");
+			eth_write_hwaddr(dev, "eth", dev->index);
 
 			dev = dev->next;
 			num_devices++;
@@ -464,10 +474,7 @@ int eth_receive(void *packet, int length)
 			return -1;
 	}
 
-	if (length < eth_rcv_bufs[eth_rcv_current].length)
-		return -1;
-
-	length = eth_rcv_bufs[eth_rcv_current].length;
+	length = min(eth_rcv_bufs[eth_rcv_current].length, length);
 
 	for (i = 0; i < length; i++)
 		p[i] = eth_rcv_bufs[eth_rcv_current].data[i];