You cannot backport assignment of netdev->addr_assign_type
given that its part of the netdev data structure only in future
kernels.

mcgrof@tux ~/linux-next (git::master)$ git describe --contains c1f79426
v2.6.36-rc1~571^2~104

--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -476,7 +476,9 @@ static int atl1c_set_mac_addr(struct net
 
 	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 	memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 	netdev->addr_assign_type &= ~NET_ADDR_RANDOM;
+#endif
 
 	atl1c_hw_set_mac_addr(&adapter->hw, adapter->hw.mac_addr);
 
@@ -2584,7 +2586,9 @@ static int __devinit atl1c_probe(struct
 	}
 	if (atl1c_read_mac_addr(&adapter->hw)) {
 		/* got a random MAC address, set NET_ADDR_RANDOM to netdev */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 		netdev->addr_assign_type |= NET_ADDR_RANDOM;
+#endif
 	}
 	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
 	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
--- a/drivers/net/ethernet/atheros/atlx/atlx.c
+++ b/drivers/net/ethernet/atheros/atlx/atlx.c
@@ -84,7 +84,9 @@ static int atlx_set_mac(struct net_devic
 
 	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 	memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 	netdev->addr_assign_type &= ~NET_ADDR_RANDOM;
+#endif
 
 	atlx_set_mac_addr(&adapter->hw);
 	return 0;
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -3068,7 +3068,9 @@ static int __devinit atl1_probe(struct p
 	/* copy the MAC address out of the EEPROM */
 	if (atl1_read_mac_addr(&adapter->hw)) {
 		/* mark random mac */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
 		netdev->addr_assign_type |= NET_ADDR_RANDOM;
+#endif
 	}
 	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
 
