net: hns3: fix ETS bandwidth validation bug

Some device only support 4 TCs, but the driver check the total
bandwidth of 8 TCs, so may cause wrong configurations write to
the hw.

This patch uses hdev->tc_max to instead HNAE3_MAX_TC to fix it.

Fixes: e432abfb99e5 ("net: hns3: add common validation in hclge_dcb")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
index 8b42caed14fd9ba43dfa334c1c2cbaf0365116ab..a1790af73096dcdf22fa2eda1161f00dbc20c509 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
@@ -124,7 +124,7 @@ static int hclge_ets_validate(struct hclge_dev *hdev, struct ieee_ets *ets,
        if (ret)
                return ret;
 
-       for (i = 0; i < HNAE3_MAX_TC; i++) {
+       for (i = 0; i < hdev->tc_max; i++) {
                switch (ets->tc_tsa[i]) {
                case IEEE_8021QAZ_TSA_STRICT:
                        if (hdev->tm_info.tc_info[i].tc_sch_mode !=