+/* Populate the mac address from physically available (u-boot/firmware) and/or
+ * one set by higher layers like MC (restool) etc.
+ * Returns the table of MAC entries (multiple entries)
+ */
+static int
+populate_mac_addr(struct fsl_mc_io *dpni_dev, struct dpaa2_dev_priv *priv,
+ struct rte_ether_addr *mac_entry)
+{
+ int ret;
+ struct rte_ether_addr phy_mac, prime_mac;
+
+ memset(&phy_mac, 0, sizeof(struct rte_ether_addr));
+ memset(&prime_mac, 0, sizeof(struct rte_ether_addr));
+
+ /* Get the physical device MAC address */
+ ret = dpni_get_port_mac_addr(dpni_dev, CMD_PRI_LOW, priv->token,
+ phy_mac.addr_bytes);
+ if (ret) {
+ DPAA2_PMD_ERR("DPNI get physical port MAC failed: %d", ret);
+ goto cleanup;
+ }
+
+ ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW, priv->token,
+ prime_mac.addr_bytes);
+ if (ret) {
+ DPAA2_PMD_ERR("DPNI get Prime port MAC failed: %d", ret);
+ goto cleanup;
+ }
+
+ /* Now that both MAC have been obtained, do:
+ * if not_empty_mac(phy) && phy != Prime, overwrite prime with Phy
+ * and return phy
+ * If empty_mac(phy), return prime.
+ * if both are empty, create random MAC, set as prime and return
+ */
+ if (!rte_is_zero_ether_addr(&phy_mac)) {
+ /* If the addresses are not same, overwrite prime */
+ if (!rte_is_same_ether_addr(&phy_mac, &prime_mac)) {
+ ret = dpni_set_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
+ priv->token,
+ phy_mac.addr_bytes);
+ if (ret) {
+ DPAA2_PMD_ERR("Unable to set MAC Address: %d",
+ ret);
+ goto cleanup;
+ }
+ memcpy(&prime_mac, &phy_mac,
+ sizeof(struct rte_ether_addr));
+ }
+ } else if (rte_is_zero_ether_addr(&prime_mac)) {
+ /* In case phys and prime, both are zero, create random MAC */
+ rte_eth_random_addr(prime_mac.addr_bytes);
+ ret = dpni_set_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
+ priv->token,
+ prime_mac.addr_bytes);
+ if (ret) {
+ DPAA2_PMD_ERR("Unable to set MAC Address: %d", ret);
+ goto cleanup;
+ }
+ }
+
+ /* prime_mac the final MAC address */
+ memcpy(mac_entry, &prime_mac, sizeof(struct rte_ether_addr));
+ return 0;
+
+cleanup:
+ return -1;
+}
+
+static int
+check_devargs_handler(__rte_unused const char *key, const char *value,
+ __rte_unused void *opaque)
+{
+ if (strcmp(value, "1"))
+ return -1;
+
+ return 0;
+}
+
+static int
+dpaa2_get_devargs(struct rte_devargs *devargs, const char *key)
+{
+ struct rte_kvargs *kvlist;
+
+ if (!devargs)
+ return 0;
+
+ kvlist = rte_kvargs_parse(devargs->args, NULL);
+ if (!kvlist)
+ return 0;
+
+ if (!rte_kvargs_count(kvlist, key)) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+
+ if (rte_kvargs_process(kvlist, key,
+ check_devargs_handler, NULL) < 0) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+ rte_kvargs_free(kvlist);
+
+ return 1;
+}
+