On Tue, 2 Feb 2021 20:39:50 +0800 Huazhong Tan wrote:
From: Yufeng Mo <moyufeng@huawei.com>
Since the newer hardware may supports different frame size, so add support to obtain the capability from the firmware instead of the fixed value.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
@@ -9659,7 +9663,7 @@ int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu) /* HW supprt 2 layer vlan */ max_frm_size = new_mtu + ETH_HLEN + ETH_FCS_LEN + 2 * VLAN_HLEN; if (max_frm_size < HCLGE_MAC_MIN_FRAME || - max_frm_size > HCLGE_MAC_MAX_FRAME) + max_frm_size > hdev->ae_dev->dev_specs.max_pkt_len) return -EINVAL;
max_frm_size = max(max_frm_size, HCLGE_MAC_DEFAULT_FRAME);
Don't you have to adjust netdev->max_mtu as well when device specifies max_pkt_len different than HCLGE_MAC_MAX_FRAME?