[PATCH net-next 1/2] net: hns3: use FEC capability queried from firmware

[Huazhong Tan]

From: Yufeng Mo <moyuf...@huawei.com>

For maintainability and compatibility, add support to use FEC
capability queried from firmware.

Signed-off-by: Yufeng Mo <moyuf...@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazh...@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c  |  6 +++++-
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h  |  1 +
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 10 ++++++----
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 1bd0ddf..02419bb 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -353,7 +353,9 @@ static void hclge_set_default_capability(struct hclge_dev 
*hdev)
 
        set_bit(HNAE3_DEV_SUPPORT_FD_B, ae_dev->caps);
        set_bit(HNAE3_DEV_SUPPORT_GRO_B, ae_dev->caps);
-       set_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps);
+       if (hdev->ae_dev->dev_version == HNAE3_DEVICE_VERSION_V2) {
+               set_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps);
+       }
 }
 
 static void hclge_parse_capability(struct hclge_dev *hdev,
@@ -378,6 +380,8 @@ static void hclge_parse_capability(struct hclge_dev *hdev,
                set_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps);
        if (hnae3_get_bit(caps, HCLGE_CAP_FD_FORWARD_TC_B))
                set_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps);
+       if (hnae3_get_bit(caps, HCLGE_CAP_FEC_B))
+               set_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps);
 }
 
 static __le32 hclge_build_api_caps(void)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 057dda7..e8480ff 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -384,6 +384,7 @@ enum HCLGE_CAP_BITS {
        HCLGE_CAP_HW_PAD_B,
        HCLGE_CAP_STASH_B,
        HCLGE_CAP_UDP_TUNNEL_CSUM_B,
+       HCLGE_CAP_FEC_B = 13,
 };
 
 enum HCLGE_API_CAP_BITS {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index e3f81c7..0e0a16c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2889,10 +2889,12 @@ static void hclge_update_link_status(struct hclge_dev 
*hdev)
        clear_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state);
 }
 
-static void hclge_update_port_capability(struct hclge_mac *mac)
+static void hclge_update_port_capability(struct hclge_dev *hdev,
+                                        struct hclge_mac *mac)
 {
-       /* update fec ability by speed */
-       hclge_convert_setting_fec(mac);
+       if (hnae3_dev_fec_supported(hdev))
+               /* update fec ability by speed */
+               hclge_convert_setting_fec(mac);
 
        /* firmware can not identify back plane type, the media type
         * read from configuration can help deal it
@@ -3012,7 +3014,7 @@ static int hclge_update_port_info(struct hclge_dev *hdev)
 
        if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
                if (mac->speed_type == QUERY_ACTIVE_SPEED) {
-                       hclge_update_port_capability(mac);
+                       hclge_update_port_capability(hdev, mac);
                        return 0;
                }
                return hclge_cfg_mac_speed_dup(hdev, mac->speed,
-- 
2.7.4