net: hns3: Add configure for mac minimal frame size

When change the mtu, the minimal frame size of mac will be set
to zero, it is incorrect. This patch fixes it by set it to the
default value.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index d9aaa76..656c3e6 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -571,7 +571,8 @@ struct hclge_config_auto_neg_cmd {
 
 struct hclge_config_max_frm_size_cmd {
        __le16  max_frm_size;
-       u8      rsv[22];
+       u8      min_frm_size;
+       u8      rsv[21];
 };
 
 enum hclge_mac_vlan_tbl_opcode {

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index dae1aa5..df6a7a1 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -4987,6 +4987,7 @@ static int hclge_set_mac_mtu(struct hclge_dev *hdev, int new_mtu)
 
        req = (struct hclge_config_max_frm_size_cmd *)desc.data;
        req->max_frm_size = cpu_to_le16(max_frm_size);
+       req->min_frm_size = HCLGE_MAC_MIN_FRAME;
 
        ret = hclge_cmd_send(&hdev->hw, &desc, 1);
        if (ret) {