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net: hns3: add ETS TC weight setting in SSU module

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This patch sets the TC weight in SSU module according to
info in tm_info.

Also, zero weight of TC weight in SSU ETS module means enabling
strict priority, so do not allow zero weight when in ETS mode.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunsheng Lin 2019-01-23 07:39:36 +08:00 committed by David S. Miller
parent 44e59e375b
commit 330baff542
1 changed files with 43 additions and 0 deletions
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43
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
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@ -947,6 +947,36 @@ static int hclge_tm_pri_tc_base_dwrr_cfg(struct hclge_dev *hdev)
return 0;
}
static int hclge_tm_ets_tc_dwrr_cfg(struct hclge_dev *hdev)
{
#define DEFAULT_TC_WEIGHT 1
#define DEFAULT_TC_OFFSET 14
struct hclge_ets_tc_weight_cmd *ets_weight;
struct hclge_desc desc;
int i;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, false);
ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data;
for (i = 0; i < HNAE3_MAX_TC; i++) {
struct hclge_pg_info *pg_info;
ets_weight->tc_weight[i] = DEFAULT_TC_WEIGHT;
if (!(hdev->hw_tc_map & BIT(i)))
continue;
pg_info =
&hdev->tm_info.pg_info[hdev->tm_info.tc_info[i].pgid];
ets_weight->tc_weight[i] = pg_info->tc_dwrr[i];
}
ets_weight->weight_offset = DEFAULT_TC_OFFSET;
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
static int hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
@ -996,6 +1026,19 @@ static int hclge_tm_pri_dwrr_cfg(struct hclge_dev *hdev)
ret = hclge_tm_pri_tc_base_dwrr_cfg(hdev);
if (ret)
return ret;
if (!hnae3_dev_dcb_supported(hdev))
return 0;
ret = hclge_tm_ets_tc_dwrr_cfg(hdev);
if (ret == -EOPNOTSUPP) {
dev_warn(&hdev->pdev->dev,
"fw %08x does't support ets tc weight cmd\n",
hdev->fw_version);
ret = 0;
}
return ret;
} else {
ret = hclge_tm_pri_vnet_base_dwrr_cfg(hdev);
if (ret)