From: Yufeng Mo moyufeng@huawei.com
For maintainability and compatibility, add support to use pause capability queried from firmware, and add debugfs support to dump this capability.
Signed-off-by: Yufeng Mo moyufeng@huawei.com Signed-off-by: Huazhong Tan tanhuazhong@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 4 ++++ drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 3 +++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 8 ++++++++ drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c | 3 +++ drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 1 + drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 16 ++++++++++++---- 6 files changed, 31 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index e9e60a9..9e9076f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/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)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index dd11c57..ded92ea 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/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) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index adcec4e..28afb27 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/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, ¶m->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", diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c index 02419bb..1c90c6b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c @@ -355,6 +355,7 @@ static void hclge_set_default_capability(struct hclge_dev *hdev) set_bit(HNAE3_DEV_SUPPORT_GRO_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); } }
@@ -382,6 +383,8 @@ static void hclge_parse_capability(struct hclge_dev *hdev, 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) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index e8480ff..774a9ad 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -385,6 +385,7 @@ enum HCLGE_CAP_BITS { 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 { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 0e0a16c..26269d6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/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)