Merge branch 'hns3-next'

Huazhong Tan says:

====================
net: hns3: two updates for -next

This series includes two updates for the HNS3 ethernet driver.
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns3/hnae3.h

@@ -90,6 +90,7 @@ enum HNAE3_DEV_CAP_BITS {
 	HNAE3_DEV_SUPPORT_HW_PAD_B,
 	HNAE3_DEV_SUPPORT_STASH_B,
 	HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B,
+	HNAE3_DEV_SUPPORT_PAUSE_B,
 };
 
 #define hnae3_dev_fd_supported(hdev) \
@@ -134,6 +135,9 @@ enum HNAE3_DEV_CAP_BITS {
 #define hnae3_dev_stash_supported(hdev) \
 	test_bit(HNAE3_DEV_SUPPORT_STASH_B, (hdev)->ae_dev->caps)
 
+#define hnae3_dev_pause_supported(hdev) \
+	test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, (hdev)->ae_dev->caps)
+
 #define hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev) \
 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (ae_dev)->caps)
 

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

@@ -362,6 +362,9 @@ static void hns3_dbg_dev_caps(struct hnae3_handle *h)
 	dev_info(&h->pdev->dev, "support UDP tunnel csum: %s\n",
 		 test_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, caps) ?
 		 "yes" : "no");
+	dev_info(&h->pdev->dev, "support PAUSE: %s\n",
+		 test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps) ?
+		 "yes" : "no");
 }
 
 static void hns3_dbg_dev_specs(struct hnae3_handle *h)

drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

@@ -642,6 +642,10 @@ static void hns3_get_pauseparam(struct net_device *netdev,
 				struct ethtool_pauseparam *param)
 {
 	struct hnae3_handle *h = hns3_get_handle(netdev);
+	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+
+	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
+		return;
 
 	if (h->ae_algo->ops->get_pauseparam)
 		h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
@@ -652,6 +656,10 @@ static int hns3_set_pauseparam(struct net_device *netdev,
 			       struct ethtool_pauseparam *param)
 {
 	struct hnae3_handle *h = hns3_get_handle(netdev);
+	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+
+	if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
+		return -EOPNOTSUPP;
 
 	netif_dbg(h, drv, netdev,
 		  "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c

@@ -353,7 +353,10 @@ 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);
+		set_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps);
+	}
 }
 
 static void hclge_parse_capability(struct hclge_dev *hdev,
@@ -378,6 +381,10 @@ 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);
+	if (hnae3_get_bit(caps, HCLGE_CAP_PAUSE_B))
+		set_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps);
 }
 
 static __le32 hclge_build_api_caps(void)

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h

@@ -384,6 +384,8 @@ enum HCLGE_CAP_BITS {
 	HCLGE_CAP_HW_PAD_B,
 	HCLGE_CAP_STASH_B,
 	HCLGE_CAP_UDP_TUNNEL_CSUM_B,
+	HCLGE_CAP_FEC_B = 13,
+	HCLGE_CAP_PAUSE_B = 14,
 };
 
 enum HCLGE_API_CAP_BITS {

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -1150,8 +1150,10 @@ static void hclge_parse_fiber_link_mode(struct hclge_dev *hdev,
 	if (hnae3_dev_fec_supported(hdev))
 		hclge_convert_setting_fec(mac);
 
+	if (hnae3_dev_pause_supported(hdev))
+		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mac->supported);
+
 	linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, mac->supported);
-	linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mac->supported);
 	linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, mac->supported);
 }
 
@@ -1163,8 +1165,11 @@ static void hclge_parse_backplane_link_mode(struct hclge_dev *hdev,
 	hclge_convert_setting_kr(mac, speed_ability);
 	if (hnae3_dev_fec_supported(hdev))
 		hclge_convert_setting_fec(mac);
+
+	if (hnae3_dev_pause_supported(hdev))
+		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mac->supported);
+
 	linkmode_set_bit(ETHTOOL_LINK_MODE_Backplane_BIT, mac->supported);
-	linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, mac->supported);
 	linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, mac->supported);
 }
 
@@ -1193,10 +1198,13 @@ static void hclge_parse_copper_link_mode(struct hclge_dev *hdev,
 		linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, supported);
 	}
 
+	if (hnae3_dev_pause_supported(hdev)) {
+		linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, supported);
+		linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, supported);
+	}
+
 	linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, supported);
 	linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, supported);
-	linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, supported);
-	linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, supported);
 }
 
 static void hclge_parse_link_mode(struct hclge_dev *hdev, u16 speed_ability)
@@ -2889,10 +2897,12 @@ 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 +3022,7 @@ 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,