On Tue, 2 Feb 2021 20:39:50 +0800 Huazhong Tan wrote: > From: Yufeng Mo <moyuf...@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 <moyuf...@huawei.com> > Signed-off-by: Huazhong Tan <tanhuazh...@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?