summaryrefslogtreecommitdiff
path: root/kernels/linux-libre-lts-knock/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
diff options
context:
space:
mode:
Diffstat (limited to 'kernels/linux-libre-lts-knock/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch')
-rw-r--r--kernels/linux-libre-lts-knock/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch94
1 files changed, 94 insertions, 0 deletions
diff --git a/kernels/linux-libre-lts-knock/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch b/kernels/linux-libre-lts-knock/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
new file mode 100644
index 000000000..961e49c51
--- /dev/null
+++ b/kernels/linux-libre-lts-knock/0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
@@ -0,0 +1,94 @@
+From 0cca0b90853cd9e03a5c6d2018d1fb5c790dce59 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Tue, 18 Feb 2014 01:43:50 -0300
+Subject: [PATCH 5/8] 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 26423ad..e29a323 100644
+--- a/drivers/net/usb/smsc95xx.c
++++ b/drivers/net/usb/smsc95xx.c
+@@ -59,6 +59,7 @@
+ #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;
+@@ -74,6 +75,10 @@ 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, int in_pm)
+ {
+@@ -763,8 +768,59 @@ static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+ }
+
++/* 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;
++
+ /* try reading mac address from EEPROM */
+ if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
+ dev->net->dev_addr) == 0) {
+--
+2.4.4