[PATCH net-next 10/12] net: hns3: add ETS TC weight setting in SSU module
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STALE2838d
SUPERSEDED
From: Huazhong Tan <hidden>
Date: 2019-01-22 16:40:57
Also in:
lkml
Subsystem:
hisilicon network subsystem 3 driver (hns3), hisilicon network subsystem driver, networking drivers, the rest · Maintainers:
Jian Shen, Jijie Shao, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Status: Superseded by v2 (posted 2019-01-22). [go to v2]
Revision v1 (2 revisions archived).
Revisions (2)
- v1 current
- v2 [diff against previous]
From: Yunsheng Lin <redacted> 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 <redacted> Signed-off-by: Peng Li <redacted> Signed-off-by: Huazhong Tan <redacted> --- .../ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
index 44316602c2fc..bad975ebe137 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c@@ -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)
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2.20.1