X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fatlantic%2Fatl_ethdev.c;h=c9c1795a16392e51239094f3fe9aafbc5f2d7dfb;hb=c352338e44b24bc1aa3a1a1b165ac3f4baeef37e;hp=d7572734cb5f13c3580d78925d08ad1352e0566c;hpb=99ceaad873059fd7a7ef4c8c5bf1575e64e880f9;p=dpdk.git

diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c
index d7572734cb..c9c1795a16 100644
--- a/drivers/net/atlantic/atl_ethdev.c
+++ b/drivers/net/atlantic/atl_ethdev.c
@@ -602,9 +602,6 @@ atl_dev_start(struct rte_eth_dev *dev)
 
 	dev->data->dev_link.link_status = hw->aq_link_status.mbps != 0;
 
-	if (err)
-		goto error;
-
 	if (rte_intr_allow_others(intr_handle)) {
 		/* check if lsc interrupt is enabled */
 		if (dev->data->dev_conf.intr_conf.lsc != 0)
@@ -1160,6 +1157,7 @@ atl_dev_link_update(struct rte_eth_dev *dev, int wait __rte_unused)
 {
 	struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct rte_eth_link link, old;
+	u32 fc = AQ_NIC_FC_OFF;
 	int err = 0;
 
 	link.link_status = ETH_LINK_DOWN;
@@ -1194,6 +1192,15 @@ atl_dev_link_update(struct rte_eth_dev *dev, int wait __rte_unused)
 	if (link.link_status == old.link_status)
 		return -1;
 
+	/* Driver has to update flow control settings on RX block
+	 * on any link event.
+	 * We should query FW whether it negotiated FC.
+	 */
+	if (hw->aq_fw_ops->get_flow_control) {
+		hw->aq_fw_ops->get_flow_control(hw, &fc);
+		hw_atl_b0_set_fc(hw, fc, 0U);
+	}
+
 	if (rte_eal_alarm_set(1000 * 1000,
 			      atl_dev_delayed_handler, (void *)dev) < 0)
 		PMD_DRV_LOG(ERR, "rte_eal_alarm_set fail");
@@ -1496,14 +1503,20 @@ static int
 atl_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 {
 	struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	u32 fc = AQ_NIC_FC_OFF;
+
+	if (hw->aq_fw_ops->get_flow_control == NULL)
+		return -ENOTSUP;
+
+	hw->aq_fw_ops->get_flow_control(hw, &fc);
 
-	if (hw->aq_nic_cfg->flow_control == AQ_NIC_FC_OFF)
+	if (fc == AQ_NIC_FC_OFF)
 		fc_conf->mode = RTE_FC_NONE;
-	else if (hw->aq_nic_cfg->flow_control & (AQ_NIC_FC_RX | AQ_NIC_FC_TX))
+	else if (fc & (AQ_NIC_FC_RX | AQ_NIC_FC_TX))
 		fc_conf->mode = RTE_FC_FULL;
-	else if (hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX)
+	else if (fc & AQ_NIC_FC_RX)
 		fc_conf->mode = RTE_FC_RX_PAUSE;
-	else if (hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX)
+	else if (fc & AQ_NIC_FC_RX)
 		fc_conf->mode = RTE_FC_TX_PAUSE;
 
 	return 0;