From 8fc7346c84a4471d21389a9ead1bbc2420d65ea0 Mon Sep 17 00:00:00 2001 From: Jian Shen Date: Fri, 6 Jul 2018 11:28:00 +0100 Subject: [PATCH] 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 Signed-off-by: Peng Li Signed-off-by: Salil Mehta Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 3 ++- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index d9aaa76c76eb4..656c3e622ec8c 100644 --- 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 dae1aa5c55fb7..df6a7a10bb835 100644 --- 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) { -- 2.30.2