mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-15 22:29:42 +02:00
ba2e2fa7be
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14454 3c298f89-4303-0410-b956-a3cf2f4a3e73
61 lines
1.7 KiB
Diff
61 lines
1.7 KiB
Diff
--- a/drivers/usb/gadget/ether.c
|
|
+++ b/drivers/usb/gadget/ether.c
|
|
@@ -2249,6 +2249,38 @@ static u8 __devinit nibble (unsigned cha
|
|
return 0;
|
|
}
|
|
|
|
+static inline unsigned int is_gumstix_oui(u8 *addr)
|
|
+{
|
|
+ return (addr[0] == 0x00 && addr[1] == 0x15 && addr[2] == 0xC9);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * gen_serial_ether_addr - Generate software assigned Ethernet address
|
|
+ * based on the system_serial number
|
|
+ * @addr: Pointer to a six-byte array containing the Ethernet address
|
|
+ *
|
|
+ * Generate an Ethernet address (MAC) that is not multicast
|
|
+ * and has the local assigned bit set, keyed on the system_serial
|
|
+ */
|
|
+static inline void gen_serial_ether_addr(u8 *addr)
|
|
+{
|
|
+ static u8 ether_serial_digit = 0;
|
|
+ addr [0] = system_serial_high >> 8;
|
|
+ addr [1] = system_serial_high;
|
|
+ addr [2] = system_serial_low >> 24;
|
|
+ addr [3] = system_serial_low >> 16;
|
|
+ addr [4] = system_serial_low >> 8;
|
|
+ addr [5] = (system_serial_low & 0xc0) | /* top bits are from system serial */
|
|
+ (2 << 4) | /* 2 bits identify interface type 1=ether, 2=usb, 3&4 undef */
|
|
+ ((ether_serial_digit++) & 0x0f); /* 15 possible interfaces of each type */
|
|
+
|
|
+ if(!is_gumstix_oui(addr))
|
|
+ {
|
|
+ addr [0] &= 0xfe; /* clear multicast bit */
|
|
+ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */
|
|
+ }
|
|
+}
|
|
+
|
|
static int __devinit get_ether_addr(const char *str, u8 *dev_addr)
|
|
{
|
|
if (str) {
|
|
@@ -2266,8 +2298,16 @@ static int __devinit get_ether_addr(cons
|
|
if (is_valid_ether_addr (dev_addr))
|
|
return 0;
|
|
}
|
|
- random_ether_addr(dev_addr);
|
|
- return 1;
|
|
+ if(system_serial_high | system_serial_low)
|
|
+ {
|
|
+ gen_serial_ether_addr(dev_addr);
|
|
+ return 0;
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ random_ether_addr(dev_addr);
|
|
+ return 1;
|
|
+ }
|
|
}
|
|
|
|
static int __devinit
|