mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-12-18 23:11:54 +00:00
95 lines
3.3 KiB
Diff
95 lines
3.3 KiB
Diff
From 824cc151d839ce92269200119f9148013755adb8 Mon Sep 17 00:00:00 2001
|
|
From: popcornmix <popcornmix@gmail.com>
|
|
Date: Tue, 18 Feb 2014 01:43:50 -0300
|
|
Subject: [PATCH 4/7] net/smsc95xx: Allow mac address to be set as a parameter
|
|
|
|
---
|
|
drivers/net/usb/smsc95xx.c | 56 ++++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 56 insertions(+)
|
|
|
|
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
|
|
index bfb58c91db04..29b7c4cb90f1 100644
|
|
--- a/drivers/net/usb/smsc95xx.c
|
|
+++ b/drivers/net/usb/smsc95xx.c
|
|
@@ -54,6 +54,7 @@
|
|
#define SUSPEND_SUSPEND3 (0x08)
|
|
#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
|
|
SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
|
|
+#define MAC_ADDR_LEN (6)
|
|
|
|
#define SMSC95XX_NR_IRQS (1) /* raise to 12 for GPIOs */
|
|
#define PHY_HWIRQ (SMSC95XX_NR_IRQS - 1)
|
|
@@ -78,6 +79,10 @@ static bool turbo_mode = true;
|
|
module_param(turbo_mode, bool, 0644);
|
|
MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
|
|
|
|
+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)
|
|
{
|
|
@@ -761,8 +766,59 @@ static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
|
|
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)
|
|
{
|
|
+ /* Check module parameters */
|
|
+ if (smsc95xx_is_macaddr_param(dev, dev->net->dev_addr))
|
|
+ return;
|
|
+
|
|
u8 addr[ETH_ALEN];
|
|
|
|
/* maybe the boot loader passed the MAC address in devicetree */
|
|
--
|
|
2.37.0
|
|
|