3 files changed, 10 insertions, 1 deletions

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 07a54bad237b..a21318b34bf2 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -62,6 +62,7 @@
  *   unregister_netdev()
  */
 #include "i2400m.h"
+#include <linux/etherdevice.h>
 #include <linux/wimax/i2400m.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -650,6 +651,7 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
         result = i2400m_read_mac_addr(i2400m);
         if (result < 0)
                 goto error_read_mac_addr;
+        random_ether_addr(i2400m->src_mac_addr);
 
         result = register_netdev(net_dev);      /* Okey dokey, bring it up */
         if (result < 0) {
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 3ae2df38b59a..434ba310c2fe 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -323,6 +323,10 @@ struct i2400m_roq;
  *     delivered. Then the driver can release them to the host. See
  *     drivers/net/i2400m/rx.c for details.
  *
+ * @src_mac_addr: MAC address used to make ethernet packets be coming
+ *     from. This is generated at i2400m_setup() time and used during
+ *     the life cycle of the instance. See i2400m_fake_eth_header().
+ *
  * @init_mutex: Mutex used for serializing the device bringup
  *     sequence; this way if the device reboots in the middle, we
  *     don't try to do a bringup again while we are tearing down the
@@ -421,6 +425,7 @@ struct i2400m {
         unsigned rx_pl_num, rx_pl_max, rx_pl_min,
                 rx_num, rx_size_acc, rx_size_min, rx_size_max;
         struct i2400m_roq *rx_roq;      /* not under rx_lock! */
+        u8 src_mac_addr[ETH_HLEN];
 
         struct mutex msg_mutex;         /* serialize command execution */
         struct completion msg_completion;
diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index 6b1fe7a81f25..9653f478b382 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -404,10 +404,12 @@ static
 void i2400m_rx_fake_eth_header(struct net_device *net_dev,
                                void *_eth_hdr, __be16 protocol)
 {
+        struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
         struct ethhdr *eth_hdr = _eth_hdr;
 
         memcpy(eth_hdr->h_dest, net_dev->dev_addr, sizeof(eth_hdr->h_dest));
-        memset(eth_hdr->h_source, 0, sizeof(eth_hdr->h_dest));
+        memcpy(eth_hdr->h_source, i2400m->src_mac_addr,
+               sizeof(eth_hdr->h_source));
         eth_hdr->h_proto = protocol;
 }