mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
97 lines
3.3 KiB
Diff
97 lines
3.3 KiB
Diff
From f64d2300793a37b0c574bffce0590a1b2bee234d Mon Sep 17 00:00:00 2001
|
|
From: popcornmix <popcornmix@gmail.com>
|
|
Date: Tue, 26 Mar 2013 17:26:38 +0000
|
|
Subject: [PATCH] Allow mac address to be set in smsc95xx
|
|
|
|
Signed-off-by: popcornmix <popcornmix@gmail.com>
|
|
---
|
|
drivers/net/usb/smsc95xx.c | 56 ++++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 56 insertions(+)
|
|
|
|
--- a/drivers/net/usb/smsc95xx.c
|
|
+++ b/drivers/net/usb/smsc95xx.c
|
|
@@ -50,6 +50,7 @@
|
|
#define SUSPEND_SUSPEND3 (0x08)
|
|
#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
|
|
SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
|
|
+#define MAC_ADDR_LEN (6)
|
|
|
|
struct smsc95xx_priv {
|
|
u32 mac_cr;
|
|
@@ -75,6 +76,10 @@ static int packetsize = 2560;
|
|
module_param(packetsize, int, 0644);
|
|
MODULE_PARM_DESC(packetsize, "Override the RX URB packet size");
|
|
|
|
+static char *macaddr = ":";
|
|
+module_param(macaddr, charp, 0);
|
|
+MODULE_PARM_DESC(macaddr, "MAC address");
|
|
+
|
|
static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
|
|
u32 *data, int in_pm)
|
|
{
|
|
@@ -773,6 +778,53 @@ static int smsc95xx_ioctl(struct net_dev
|
|
return phy_mii_ioctl(netdev->phydev, rq, cmd);
|
|
}
|
|
|
|
+/* Check the macaddr module parameter for a MAC address */
|
|
+static int smsc95xx_is_macaddr_param(struct usbnet *dev, u8 *dev_mac)
|
|
+{
|
|
+ int i, j, got_num, num;
|
|
+ u8 mtbl[MAC_ADDR_LEN];
|
|
+
|
|
+ if (macaddr[0] == ':')
|
|
+ return 0;
|
|
+
|
|
+ i = 0;
|
|
+ j = 0;
|
|
+ num = 0;
|
|
+ got_num = 0;
|
|
+ while (j < MAC_ADDR_LEN) {
|
|
+ if (macaddr[i] && macaddr[i] != ':') {
|
|
+ got_num++;
|
|
+ if ('0' <= macaddr[i] && macaddr[i] <= '9')
|
|
+ num = num * 16 + macaddr[i] - '0';
|
|
+ else if ('A' <= macaddr[i] && macaddr[i] <= 'F')
|
|
+ num = num * 16 + 10 + macaddr[i] - 'A';
|
|
+ else if ('a' <= macaddr[i] && macaddr[i] <= 'f')
|
|
+ num = num * 16 + 10 + macaddr[i] - 'a';
|
|
+ else
|
|
+ break;
|
|
+ i++;
|
|
+ } else if (got_num == 2) {
|
|
+ mtbl[j++] = (u8) num;
|
|
+ num = 0;
|
|
+ got_num = 0;
|
|
+ i++;
|
|
+ } else {
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (j == MAC_ADDR_LEN) {
|
|
+ netif_dbg(dev, ifup, dev->net, "Overriding MAC address with: "
|
|
+ "%02x:%02x:%02x:%02x:%02x:%02x\n", mtbl[0], mtbl[1], mtbl[2],
|
|
+ mtbl[3], mtbl[4], mtbl[5]);
|
|
+ for (i = 0; i < MAC_ADDR_LEN; i++)
|
|
+ dev_mac[i] = mtbl[i];
|
|
+ return 1;
|
|
+ } else {
|
|
+ return 0;
|
|
+ }
|
|
+}
|
|
+
|
|
static void smsc95xx_init_mac_address(struct usbnet *dev)
|
|
{
|
|
/* maybe the boot loader passed the MAC address in devicetree */
|
|
@@ -795,6 +847,10 @@ static void smsc95xx_init_mac_address(st
|
|
}
|
|
}
|
|
|
|
+ /* Check module parameters */
|
|
+ if (smsc95xx_is_macaddr_param(dev, dev->net->dev_addr))
|
|
+ return;
|
|
+
|
|
/* no useful static MAC address found. generate a random one */
|
|
eth_hw_addr_random(dev->net);
|
|
netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
|