+static int
+dpaa_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct dpaa_if *dpaa_intf = dev->data->dev_private;
+ struct rte_eth_fc_conf *net_fc;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (!(dpaa_intf->fc_conf)) {
+ dpaa_intf->fc_conf = rte_zmalloc(NULL,
+ sizeof(struct rte_eth_fc_conf), MAX_CACHELINE);
+ if (!dpaa_intf->fc_conf) {
+ DPAA_PMD_ERR("unable to save flow control info");
+ return -ENOMEM;
+ }
+ }
+ net_fc = dpaa_intf->fc_conf;
+
+ if (fc_conf->high_water < fc_conf->low_water) {
+ DPAA_PMD_ERR("Incorrect Flow Control Configuration");
+ return -EINVAL;
+ }
+
+ if (fc_conf->mode == RTE_FC_NONE) {
+ return 0;
+ } else if (fc_conf->mode == RTE_FC_TX_PAUSE ||
+ fc_conf->mode == RTE_FC_FULL) {
+ fman_if_set_fc_threshold(dpaa_intf->fif, fc_conf->high_water,
+ fc_conf->low_water,
+ dpaa_intf->bp_info->bpid);
+ if (fc_conf->pause_time)
+ fman_if_set_fc_quanta(dpaa_intf->fif,
+ fc_conf->pause_time);
+ }
+
+ /* Save the information in dpaa device */
+ net_fc->pause_time = fc_conf->pause_time;
+ net_fc->high_water = fc_conf->high_water;
+ net_fc->low_water = fc_conf->low_water;
+ net_fc->send_xon = fc_conf->send_xon;
+ net_fc->mac_ctrl_frame_fwd = fc_conf->mac_ctrl_frame_fwd;
+ net_fc->mode = fc_conf->mode;
+ net_fc->autoneg = fc_conf->autoneg;
+
+ return 0;
+}
+
+static int
+dpaa_flow_ctrl_get(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct dpaa_if *dpaa_intf = dev->data->dev_private;
+ struct rte_eth_fc_conf *net_fc = dpaa_intf->fc_conf;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (net_fc) {
+ fc_conf->pause_time = net_fc->pause_time;
+ fc_conf->high_water = net_fc->high_water;
+ fc_conf->low_water = net_fc->low_water;
+ fc_conf->send_xon = net_fc->send_xon;
+ fc_conf->mac_ctrl_frame_fwd = net_fc->mac_ctrl_frame_fwd;
+ fc_conf->mode = net_fc->mode;
+ fc_conf->autoneg = net_fc->autoneg;
+ return 0;
+ }
+ ret = fman_if_get_fc_threshold(dpaa_intf->fif);
+ if (ret) {
+ fc_conf->mode = RTE_FC_TX_PAUSE;
+ fc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);
+ } else {
+ fc_conf->mode = RTE_FC_NONE;
+ }
+
+ return 0;
+}
+