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authorFuyun Liang2018-01-05 11:18:21 +0100
committerDavid S. Miller2018-01-08 20:06:19 +0100
commitf9fd82a9f1e4e228baa8f484f0dbc6e3b26c3b29 (patch)
tree1f5cb5fccb0a7cefb0eedeab249cb59056bc1c55 /drivers/net/ethernet/hisilicon
parentnet: hns3: fix for changing MTU (diff)
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net: hns3: add MTU initialization for hardware
When initializing the MAC, the MTU vlaue need to be set to the hardware too. Otherwise, the MTU value of software will be different from the MTU value of hardware. Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support") Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index f1702db13df9..f8dbd1e2b0ef 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -36,6 +36,7 @@
static int hclge_set_mta_filter_mode(struct hclge_dev *hdev,
enum hclge_mta_dmac_sel_type mta_mac_sel,
bool enable);
+static int hclge_set_mtu(struct hnae3_handle *handle, int new_mtu);
static int hclge_init_vlan_config(struct hclge_dev *hdev);
static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev);
@@ -2208,8 +2209,11 @@ static int hclge_set_default_mac_vlan_mask(struct hclge_dev *hdev,
static int hclge_mac_init(struct hclge_dev *hdev)
{
+ struct hnae3_handle *handle = &hdev->vport[0].nic;
+ struct net_device *netdev = handle->kinfo.netdev;
struct hclge_mac *mac = &hdev->hw.mac;
u8 mac_mask[ETH_ALEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ int mtu;
int ret;
ret = hclge_cfg_mac_speed_dup(hdev, hdev->hw.mac.speed, HCLGE_MAC_FULL);
@@ -2243,11 +2247,25 @@ static int hclge_mac_init(struct hclge_dev *hdev)
}
ret = hclge_set_default_mac_vlan_mask(hdev, true, mac_mask);
- if (ret)
+ if (ret) {
dev_err(&hdev->pdev->dev,
"set default mac_vlan_mask fail ret=%d\n", ret);
+ return ret;
+ }
- return ret;
+ if (netdev)
+ mtu = netdev->mtu;
+ else
+ mtu = ETH_DATA_LEN;
+
+ ret = hclge_set_mtu(handle, mtu);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "set mtu failed ret=%d\n", ret);
+ return ret;
+ }
+
+ return 0;
}
static void hclge_mbx_task_schedule(struct hclge_dev *hdev)