netdev-dpdk: Add ability to set MAC address.
It is possible to set the MAC address of DPDK ports by calling
rte_eth_dev_default_mac_addr_set().  OvS does not actually call
this function for non-internal ports, but the implementation is
exposed to be used in a later commit.
@@ -2910,19 +2910,45 @@ netdev_dpdk_eth_send(struct netdev *netdev, int qid,
return 0;
}
+static int
+netdev_dpdk_set_etheraddr__(struct netdev_dpdk *dev, const struct eth_addr mac)
+ OVS_REQUIRES(dev->mutex)
+{
+ int err = 0;
+
+ if (dev->type == DPDK_DEV_ETH) {
+ struct rte_ether_addr ea;
+
+ memcpy(ea.addr_bytes, mac.ea, ETH_ADDR_LEN);
+ err = -rte_eth_dev_default_mac_addr_set(dev->port_id, &ea);
+ }
+ if (!err) {
+ dev->hwaddr = mac;
+ } else {
+ VLOG_WARN("%s: Failed to set requested mac("ETH_ADDR_FMT"): %s",
+ netdev_get_name(&dev->up), ETH_ADDR_ARGS(mac),
+ rte_strerror(err));
+ }
+
+ return err;
+}
+
static int
netdev_dpdk_set_etheraddr(struct netdev *netdev, const struct eth_addr mac)
{
struct netdev_dpdk *dev = netdev_dpdk_cast(netdev);
+ int err = 0;
ovs_mutex_lock(&dev->mutex);
if (!eth_addr_equals(dev->hwaddr, mac)) {
- dev->hwaddr = mac;
+ err = netdev_dpdk_set_etheraddr__(dev, mac);
+ if (!err) {
netdev_change_seq_changed(netdev);
}
+ }
ovs_mutex_unlock(&dev->mutex);
- return 0;
+ return err;
}
static int
