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Message-ID: <20180509162441.18068-5-salil.mehta@huawei.com>
Date: Wed, 9 May 2018 17:24:41 +0100
From: Salil Mehta <salil.mehta@...wei.com>
To: <davem@...emloft.net>
CC: <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
<lipeng321@...wei.com>, <mehta.salil@...src.net>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linuxarm@...wei.com>, Yunsheng Lin <linyunsheng@...wei.com>
Subject: [PATCH net-next 4/4] net: hns3: refactor the loopback related function
From: Yunsheng Lin <linyunsheng@...wei.com>
This patch refactors the loopback related function in order
to support the serdes loopback.
Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 21 +++----
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 68 +++++++++++-----------
2 files changed, 42 insertions(+), 47 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index eb3c34f..c16bb6c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -74,7 +74,7 @@ struct hns3_link_mode_mapping {
u32 ethtool_link_mode;
};
-static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop)
+static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
{
struct hnae3_handle *h = hns3_get_handle(ndev);
int ret;
@@ -85,11 +85,7 @@ static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop)
switch (loop) {
case HNAE3_MAC_INTER_LOOP_MAC:
- ret = h->ae_algo->ops->set_loopback(h, loop, true);
- break;
- case HNAE3_MAC_LOOP_NONE:
- ret = h->ae_algo->ops->set_loopback(h,
- HNAE3_MAC_INTER_LOOP_MAC, false);
+ ret = h->ae_algo->ops->set_loopback(h, loop, en);
break;
default:
ret = -ENOTSUPP;
@@ -99,10 +95,7 @@ static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop)
if (ret)
return ret;
- if (loop == HNAE3_MAC_LOOP_NONE)
- h->ae_algo->ops->set_promisc_mode(h, ndev->flags & IFF_PROMISC);
- else
- h->ae_algo->ops->set_promisc_mode(h, 1);
+ h->ae_algo->ops->set_promisc_mode(h, en);
return ret;
}
@@ -122,13 +115,13 @@ static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
return ret;
}
- ret = hns3_lp_setup(ndev, loop_mode);
+ ret = hns3_lp_setup(ndev, loop_mode, true);
usleep_range(10000, 20000);
return ret;
}
-static int hns3_lp_down(struct net_device *ndev)
+static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
{
struct hnae3_handle *h = hns3_get_handle(ndev);
int ret;
@@ -136,7 +129,7 @@ static int hns3_lp_down(struct net_device *ndev)
if (!h->ae_algo->ops->stop)
return -EOPNOTSUPP;
- ret = hns3_lp_setup(ndev, HNAE3_MAC_LOOP_NONE);
+ ret = hns3_lp_setup(ndev, loop_mode, false);
if (ret) {
netdev_err(ndev, "lb_setup return error: %d\n", ret);
return ret;
@@ -332,7 +325,7 @@ static void hns3_self_test(struct net_device *ndev,
data[test_index] = hns3_lp_up(ndev, loop_type);
if (!data[test_index]) {
data[test_index] = hns3_lp_run_test(ndev, loop_type);
- hns3_lp_down(ndev);
+ hns3_lp_down(ndev, loop_type);
}
if (data[test_index])
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 084b904..316ec842 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3682,48 +3682,50 @@ static void hclge_cfg_mac_mode(struct hclge_dev *hdev, bool enable)
"mac enable fail, ret =%d.\n", ret);
}
-static int hclge_set_loopback(struct hnae3_handle *handle,
- enum hnae3_loop loop_mode, bool en)
+static int hclge_set_mac_loopback(struct hclge_dev *hdev, bool en)
{
- struct hclge_vport *vport = hclge_get_vport(handle);
struct hclge_config_mac_mode_cmd *req;
- struct hclge_dev *hdev = vport->back;
struct hclge_desc desc;
u32 loop_en;
int ret;
- switch (loop_mode) {
- case HNAE3_MAC_INTER_LOOP_MAC:
- req = (struct hclge_config_mac_mode_cmd *)&desc.data[0];
- /* 1 Read out the MAC mode config at first */
- hclge_cmd_setup_basic_desc(&desc,
- HCLGE_OPC_CONFIG_MAC_MODE,
- true);
- ret = hclge_cmd_send(&hdev->hw, &desc, 1);
- if (ret) {
- dev_err(&hdev->pdev->dev,
- "mac loopback get fail, ret =%d.\n",
- ret);
- return ret;
- }
+ req = (struct hclge_config_mac_mode_cmd *)&desc.data[0];
+ /* 1 Read out the MAC mode config at first */
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, true);
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "mac loopback get fail, ret =%d.\n", ret);
+ return ret;
+ }
- /* 2 Then setup the loopback flag */
- loop_en = le32_to_cpu(req->txrx_pad_fcs_loop_en);
- if (en)
- hnae_set_bit(loop_en, HCLGE_MAC_APP_LP_B, 1);
- else
- hnae_set_bit(loop_en, HCLGE_MAC_APP_LP_B, 0);
+ /* 2 Then setup the loopback flag */
+ loop_en = le32_to_cpu(req->txrx_pad_fcs_loop_en);
+ hnae_set_bit(loop_en, HCLGE_MAC_APP_LP_B, en ? 1 : 0);
- req->txrx_pad_fcs_loop_en = cpu_to_le32(loop_en);
+ req->txrx_pad_fcs_loop_en = cpu_to_le32(loop_en);
- /* 3 Config mac work mode with loopback flag
- * and its original configure parameters
- */
- hclge_cmd_reuse_desc(&desc, false);
- ret = hclge_cmd_send(&hdev->hw, &desc, 1);
- if (ret)
- dev_err(&hdev->pdev->dev,
- "mac loopback set fail, ret =%d.\n", ret);
+ /* 3 Config mac work mode with loopback flag
+ * and its original configure parameters
+ */
+ hclge_cmd_reuse_desc(&desc, false);
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "mac loopback set fail, ret =%d.\n", ret);
+ return ret;
+}
+
+static int hclge_set_loopback(struct hnae3_handle *handle,
+ enum hnae3_loop loop_mode, bool en)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+ int ret;
+
+ switch (loop_mode) {
+ case HNAE3_MAC_INTER_LOOP_MAC:
+ ret = hclge_set_mac_loopback(hdev, en);
break;
default:
ret = -ENOTSUPP;
--
2.7.4
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