Implements driver support for setting of MAC address.

Signed-off-by: Remy Horton <remy.horton at intel.com>
---
 doc/guides/rel_notes/release_16_04.rst |  4 ++++
 drivers/net/vmxnet3/vmxnet3_ethdev.c   | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/doc/guides/rel_notes/release_16_04.rst 
b/doc/guides/rel_notes/release_16_04.rst
index 4e0112e..39db674 100644
--- a/doc/guides/rel_notes/release_16_04.rst
+++ b/doc/guides/rel_notes/release_16_04.rst
@@ -62,6 +62,10 @@ This section should contain new features added in this 
release. Sample format:
   Implemented driver functions for Register dumping, EEPROM dumping, and
   setting of MAC address.

+* **vmxnet3: Added ethdev support functions.**
+
+  Implemented driver functionality for setting MAC address.
+

 Resolved Issues
 ---------------
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c 
b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index c363bf6..bc83524 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -91,6 +91,8 @@ static int vmxnet3_dev_vlan_filter_set(struct rte_eth_dev 
*dev,
 static void vmxnet3_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 static void vmxnet3_dev_vlan_offload_set_clear(struct rte_eth_dev *dev,
                                                int mask, int clear);
+static void vmxnet3_mac_addr_set(struct rte_eth_dev *dev,
+                                struct ether_addr *mac_addr);

 #if PROCESS_SYS_EVENTS == 1
 static void vmxnet3_process_events(struct vmxnet3_hw *);
@@ -124,6 +126,7 @@ static const struct eth_dev_ops vmxnet3_eth_dev_ops = {
        .rx_queue_release     = vmxnet3_dev_rx_queue_release,
        .tx_queue_setup       = vmxnet3_dev_tx_queue_setup,
        .tx_queue_release     = vmxnet3_dev_tx_queue_release,
+       .mac_addr_set         = vmxnet3_mac_addr_set,
 };

 static const struct rte_memzone *
@@ -922,6 +925,22 @@ vmxnet3_process_events(struct vmxnet3_hw *hw)
 }
 #endif

+static void vmxnet3_mac_addr_set(struct rte_eth_dev *dev,
+                                struct ether_addr *mac_addr)
+{
+       struct vmxnet3_hw *hw = dev->data->dev_private;
+       uint32_t mac_hi, mac_lo;
+
+       if (!is_valid_assigned_ether_addr(mac_addr)) {
+               PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
+               return;
+       }
+       memcpy(&mac_lo, mac_addr, 4);
+       memcpy(&mac_hi, mac_addr + 4, 2);
+       VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_MACL, mac_lo);
+       VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_MACH, mac_hi);
+}
+
 static struct rte_driver rte_vmxnet3_driver = {
        .type = PMD_PDEV,
        .init = rte_vmxnet3_pmd_init,
-- 
2.5.0

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