brcm2708: add linux 4.4 support

[openwrt.git] / target / linux / brcm2708 / patches-4.4 / 0059-Allow-mac-address-to-be-set-in-smsc95xx.patch

diff --git a/target/linux/brcm2708/patches-4.4/0059-Allow-mac-address-to-be-set-in-smsc95xx.patch b/target/linux/brcm2708/patches-4.4/0059-Allow-mac-address-to-be-set-in-smsc95xx.patch
new file mode 100644 (file)
index 0000000..afe937d
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0059-Allow-mac-address-to-be-set-in-smsc95xx.patch
@@ -0,0 +1,91 @@
+From 43512b5f55e891f325a7619fa9103e6d6566ce81 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Tue, 26 Mar 2013 17:26:38 +0000
+Subject: [PATCH 059/127] 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
+@@ -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 = false;
+ 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_dev
+       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) {