[dpdk-dev,v3,15/25] virtio: Add ability to set MAC address
Commit Message
Need to have do special things to set default mac address.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
---
lib/librte_ether/rte_ethdev.h | 5 +++++
lib/librte_pmd_virtio/virtio_ethdev.c | 24 ++++++++++++++++++++++++
2 files changed, 29 insertions(+)
@@ -1240,6 +1240,10 @@ typedef void (*eth_mac_addr_add_t)(struct rte_eth_dev *dev,
uint32_t vmdq);
/**< @internal Set a MAC address into Receive Address Address Register */
+typedef void (*eth_mac_addr_set_t)(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr);
+/**< @internal Set a MAC address into Receive Address Address Register */
+
typedef int (*eth_uc_hash_table_set_t)(struct rte_eth_dev *dev,
struct ether_addr *mac_addr,
uint8_t on);
@@ -1459,6 +1463,7 @@ struct eth_dev_ops {
priority_flow_ctrl_set_t priority_flow_ctrl_set; /**< Setup priority flow control.*/
eth_mac_addr_remove_t mac_addr_remove; /**< Remove MAC address */
eth_mac_addr_add_t mac_addr_add; /**< Add a MAC address */
+ eth_mac_addr_set_t mac_addr_set; /**< Set a MAC address */
eth_uc_hash_table_set_t uc_hash_table_set; /**< Set Unicast Table Array */
eth_uc_all_hash_table_set_t uc_all_hash_table_set; /**< Set Unicast hash bitmap */
eth_mirror_rule_set_t mirror_rule_set; /**< Add a traffic mirror rule.*/
@@ -90,6 +90,8 @@ static void virtio_mac_addr_add(struct rte_eth_dev *dev,
struct ether_addr *mac_addr,
uint32_t index, uint32_t vmdq __rte_unused);
static void virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index);
+static void virtio_mac_addr_set(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr);
static int virtio_dev_queue_stats_mapping_set(
__rte_unused struct rte_eth_dev *eth_dev,
@@ -518,6 +520,7 @@ static struct eth_dev_ops virtio_eth_dev_ops = {
.vlan_filter_set = virtio_vlan_filter_set,
.mac_addr_add = virtio_mac_addr_add,
.mac_addr_remove = virtio_mac_addr_remove,
+ .mac_addr_set = virtio_mac_addr_set,
};
static inline int
@@ -733,6 +736,27 @@ virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
virtio_mac_table_set(hw, uc, mc);
}
+static void
+virtio_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
+{
+ struct virtio_hw *hw = dev->data->dev_private;
+
+ memcpy(hw->mac_addr, mac_addr, ETHER_ADDR_LEN);
+
+ /* Use atomic update if available */
+ if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
+ struct virtio_pmd_ctrl ctrl;
+ int len = ETHER_ADDR_LEN;
+
+ ctrl.hdr.class = VIRTIO_NET_CTRL_MAC;
+ ctrl.hdr.cmd = VIRTIO_NET_CTRL_MAC_ADDR_SET;
+
+ memcpy(ctrl.data, mac_addr, ETHER_ADDR_LEN);
+ virtio_send_command(hw->cvq, &ctrl, &len, 1);
+ } else if (vtpci_with_feature(hw, VIRTIO_NET_F_MAC))
+ virtio_set_hwaddr(hw);
+}
+
static int
virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{