X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fe1000%2Fem_ethdev.c;h=8850957902a984197252793d3de56379beae81d2;hb=bdad90d12ec8eea8c9552880d715f10b0af93cc6;hp=fc01378c877b0d62a8cab48dfb2dacdef4e4c6c7;hpb=6bee9d5f456a61a427384c815f6827aad83e3c06;p=dpdk.git

diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
index fc01378c87..8850957902 100644
--- a/drivers/net/e1000/em_ethdev.c
+++ b/drivers/net/e1000/em_ethdev.c
@@ -44,7 +44,7 @@ static int eth_em_link_update(struct rte_eth_dev *dev,
 static int eth_em_stats_get(struct rte_eth_dev *dev,
 				struct rte_eth_stats *rte_stats);
 static void eth_em_stats_reset(struct rte_eth_dev *dev);
-static void eth_em_infos_get(struct rte_eth_dev *dev,
+static int eth_em_infos_get(struct rte_eth_dev *dev,
 				struct rte_eth_dev_info *dev_info);
 static int eth_em_flow_ctrl_get(struct rte_eth_dev *dev,
 				struct rte_eth_fc_conf *fc_conf);
@@ -737,6 +737,11 @@ eth_em_stop(struct rte_eth_dev *dev)
 	em_lsc_intr_disable(hw);
 
 	e1000_reset_hw(hw);
+
+	/* Flush desc rings for i219 */
+	if (hw->mac.type == e1000_pch_spt || hw->mac.type == e1000_pch_cnp)
+		em_flush_desc_rings(dev);
+
 	if (hw->mac.type >= e1000_82544)
 		E1000_WRITE_REG(hw, E1000_WUC, 0);
 
@@ -1043,7 +1048,7 @@ em_get_max_pktlen(struct rte_eth_dev *dev)
 	}
 }
 
-static void
+static int
 eth_em_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
 	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -1102,6 +1107,8 @@ eth_em_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->default_txportconf.nb_queues = 1;
 	dev_info->default_txportconf.ring_size = 256;
 	dev_info->default_rxportconf.ring_size = 256;
+
+	return 0;
 }
 
 /* return 0 means link status changed, -1 means not changed */
@@ -1771,8 +1778,12 @@ eth_em_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 	struct e1000_hw *hw;
 	uint32_t frame_size;
 	uint32_t rctl;
+	int ret;
+
+	ret = eth_em_infos_get(dev, &dev_info);
+	if (ret != 0)
+		return ret;
 
-	eth_em_infos_get(dev, &dev_info);
 	frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN +
 		VLAN_TAG_SIZE;