From 3b064f541be822dc095991c6dda20a75eb51db5e Mon Sep 17 00:00:00 2001 From: Hao Lan Date: Mon, 27 Mar 2023 21:55:04 +0800 Subject: net: hns3: support wake on lan configuration and query The HNS3 driver supports Wake-on-LAN, which can wake up the server from power off state to power on state by magic packet or magic security packet. ChangeLog: v1->v2: Deleted the debugfs function that overlaps with the ethtool function from suggestion of Andrew Lunn. v2->v3: Return the wol configuration stored in driver, suggested by Alexander H Duyck. v3->v4: Add a helper to go from netdev to the local struct, suggested by Simon Horman and Jakub Kicinski. Reviewed-by: Simon Horman Signed-off-by: Hao Lan Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 12 ++ .../hisilicon/hns3/hns3_common/hclge_comm_cmd.c | 1 + .../hisilicon/hns3/hns3_common/hclge_comm_cmd.h | 3 + drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 3 + drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 6 + drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 27 +++++ .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 12 ++ .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 130 +++++++++++++++++++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 8 ++ 9 files changed, 202 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 40f4306449eb..9c9c72dc57e0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -100,6 +100,7 @@ enum HNAE3_DEV_CAP_BITS { HNAE3_DEV_SUPPORT_CQ_B, HNAE3_DEV_SUPPORT_FEC_STATS_B, HNAE3_DEV_SUPPORT_LANE_NUM_B, + HNAE3_DEV_SUPPORT_WOL_B, }; #define hnae3_ae_dev_fd_supported(ae_dev) \ @@ -168,6 +169,9 @@ enum HNAE3_DEV_CAP_BITS { #define hnae3_ae_dev_lane_num_supported(ae_dev) \ test_bit(HNAE3_DEV_SUPPORT_LANE_NUM_B, (ae_dev)->caps) +#define hnae3_ae_dev_wol_supported(ae_dev) \ + test_bit(HNAE3_DEV_SUPPORT_WOL_B, (ae_dev)->caps) + enum HNAE3_PF_CAP_BITS { HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B = 0, }; @@ -561,6 +565,10 @@ struct hnae3_ae_dev { * Get phc info * clean_vf_config * Clean residual vf info after disable sriov + * get_wol + * Get wake on lan info + * set_wol + * Config wake on lan */ struct hnae3_ae_ops { int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev); @@ -760,6 +768,10 @@ struct hnae3_ae_ops { void (*clean_vf_config)(struct hnae3_ae_dev *ae_dev, int num_vfs); int (*get_dscp_prio)(struct hnae3_handle *handle, u8 dscp, u8 *tc_map_mode, u8 *priority); + void (*get_wol)(struct hnae3_handle *handle, + struct ethtool_wolinfo *wol); + int (*set_wol)(struct hnae3_handle *handle, + struct ethtool_wolinfo *wol); }; struct hnae3_dcb_ops { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c index f671a63cecde..cbbab5b2b402 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c @@ -155,6 +155,7 @@ static const struct hclge_comm_caps_bit_map hclge_pf_cmd_caps[] = { {HCLGE_COMM_CAP_FD_B, HNAE3_DEV_SUPPORT_FD_B}, {HCLGE_COMM_CAP_FEC_STATS_B, HNAE3_DEV_SUPPORT_FEC_STATS_B}, {HCLGE_COMM_CAP_LANE_NUM_B, HNAE3_DEV_SUPPORT_LANE_NUM_B}, + {HCLGE_COMM_CAP_WOL_B, HNAE3_DEV_SUPPORT_WOL_B}, }; static const struct hclge_comm_caps_bit_map hclge_vf_cmd_caps[] = { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h index b1f9383b418f..de72ecbfd5ad 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h @@ -294,6 +294,8 @@ enum hclge_opcode_type { HCLGE_PPP_CMD0_INT_CMD = 0x2100, HCLGE_PPP_CMD1_INT_CMD = 0x2101, HCLGE_MAC_ETHERTYPE_IDX_RD = 0x2105, + HCLGE_OPC_WOL_GET_SUPPORTED_MODE = 0x2201, + HCLGE_OPC_WOL_CFG = 0x2202, HCLGE_NCSI_INT_EN = 0x2401, /* ROH MAC commands */ @@ -345,6 +347,7 @@ enum HCLGE_COMM_CAP_BITS { HCLGE_COMM_CAP_FD_B = 21, HCLGE_COMM_CAP_FEC_STATS_B = 25, HCLGE_COMM_CAP_LANE_NUM_B = 27, + HCLGE_COMM_CAP_WOL_B = 28, }; enum HCLGE_COMM_API_CAP_BITS { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 66feb23f7b7b..4c3e90a1c4d0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -408,6 +408,9 @@ static struct hns3_dbg_cap_info hns3_dbg_cap[] = { }, { .name = "support lane num", .cap_bit = HNAE3_DEV_SUPPORT_LANE_NUM_B, + }, { + .name = "support wake on lan", + .cap_bit = HNAE3_DEV_SUPPORT_WOL_B, } }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 294a14b4fdef..88af34bbee34 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -695,6 +695,12 @@ static inline unsigned int hns3_page_order(struct hns3_enet_ring *ring) #define hns3_get_handle(ndev) \ (((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle) +#define hns3_get_ae_dev(handle) \ + (pci_get_drvdata((handle)->pdev)) + +#define hns3_get_ops(handle) \ + ((handle)->ae_algo->ops) + #define hns3_gl_usec_to_reg(int_gl) ((int_gl) >> 1) #define hns3_gl_round_down(int_gl) round_down(int_gl, 2) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 55306fe8a540..51d1278b18f6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -2063,6 +2063,31 @@ static int hns3_get_link_ext_state(struct net_device *netdev, return -ENODATA; } +static void hns3_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct hnae3_handle *handle = hns3_get_handle(netdev); + const struct hnae3_ae_ops *ops = hns3_get_ops(handle); + struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); + + if (!hnae3_ae_dev_wol_supported(ae_dev)) + return; + + ops->get_wol(handle, wol); +} + +static int hns3_set_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct hnae3_handle *handle = hns3_get_handle(netdev); + const struct hnae3_ae_ops *ops = hns3_get_ops(handle); + struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle); + + if (!hnae3_ae_dev_wol_supported(ae_dev)) + return -EOPNOTSUPP; + + return ops->set_wol(handle, wol); +} + static const struct ethtool_ops hns3vf_ethtool_ops = { .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, .supported_ring_params = HNS3_ETHTOOL_RING, @@ -2139,6 +2164,8 @@ static const struct ethtool_ops hns3_ethtool_ops = { .set_tunable = hns3_set_tunable, .reset = hns3_set_reset, .get_link_ext_state = hns3_get_link_ext_state, + .get_wol = hns3_get_wol, + .set_wol = hns3_set_wol, }; void hns3_ethtool_set_ops(struct net_device *netdev) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 43cada51d8cb..91c173f40701 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -872,6 +872,18 @@ struct hclge_phy_reg_cmd { u8 rsv1[18]; }; +struct hclge_wol_cfg_cmd { + __le32 wake_on_lan_mode; + u8 sopass[SOPASS_MAX]; + u8 sopass_size; + u8 rsv[13]; +}; + +struct hclge_query_wol_supported_cmd { + __le32 supported_wake_mode; + u8 rsv[20]; +}; + struct hclge_hw; int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num); enum hclge_comm_cmd_status hclge_cmd_mdio_write(struct hclge_hw *hw, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index c3851a6e10c0..4fb5406c1951 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -11522,6 +11522,124 @@ static void hclge_uninit_rxd_adv_layout(struct hclge_dev *hdev) hclge_write_dev(&hdev->hw, HCLGE_RXD_ADV_LAYOUT_EN_REG, 0); } +static struct hclge_wol_info *hclge_get_wol_info(struct hnae3_handle *handle) +{ + struct hclge_vport *vport = hclge_get_vport(handle); + + return &vport->back->hw.mac.wol; +} + +static int hclge_get_wol_supported_mode(struct hclge_dev *hdev, + u32 *wol_supported) +{ + struct hclge_query_wol_supported_cmd *wol_supported_cmd; + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_WOL_GET_SUPPORTED_MODE, + true); + wol_supported_cmd = (struct hclge_query_wol_supported_cmd *)desc.data; + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to query wol supported, ret = %d\n", ret); + return ret; + } + + *wol_supported = le32_to_cpu(wol_supported_cmd->supported_wake_mode); + + return 0; +} + +static int hclge_set_wol_cfg(struct hclge_dev *hdev, + struct hclge_wol_info *wol_info) +{ + struct hclge_wol_cfg_cmd *wol_cfg_cmd; + struct hclge_desc desc; + int ret; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_WOL_CFG, false); + wol_cfg_cmd = (struct hclge_wol_cfg_cmd *)desc.data; + wol_cfg_cmd->wake_on_lan_mode = cpu_to_le32(wol_info->wol_current_mode); + wol_cfg_cmd->sopass_size = wol_info->wol_sopass_size; + memcpy(wol_cfg_cmd->sopass, wol_info->wol_sopass, SOPASS_MAX); + + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) + dev_err(&hdev->pdev->dev, + "failed to set wol config, ret = %d\n", ret); + + return ret; +} + +static int hclge_update_wol(struct hclge_dev *hdev) +{ + struct hclge_wol_info *wol_info = &hdev->hw.mac.wol; + + if (!hnae3_ae_dev_wol_supported(hdev->ae_dev)) + return 0; + + return hclge_set_wol_cfg(hdev, wol_info); +} + +static int hclge_init_wol(struct hclge_dev *hdev) +{ + struct hclge_wol_info *wol_info = &hdev->hw.mac.wol; + int ret; + + if (!hnae3_ae_dev_wol_supported(hdev->ae_dev)) + return 0; + + memset(wol_info, 0, sizeof(struct hclge_wol_info)); + ret = hclge_get_wol_supported_mode(hdev, + &wol_info->wol_support_mode); + if (ret) { + wol_info->wol_support_mode = 0; + return ret; + } + + return hclge_update_wol(hdev); +} + +static void hclge_get_wol(struct hnae3_handle *handle, + struct ethtool_wolinfo *wol) +{ + struct hclge_wol_info *wol_info = hclge_get_wol_info(handle); + + wol->supported = wol_info->wol_support_mode; + wol->wolopts = wol_info->wol_current_mode; + if (wol_info->wol_current_mode & WAKE_MAGICSECURE) + memcpy(wol->sopass, wol_info->wol_sopass, SOPASS_MAX); +} + +static int hclge_set_wol(struct hnae3_handle *handle, + struct ethtool_wolinfo *wol) +{ + struct hclge_wol_info *wol_info = hclge_get_wol_info(handle); + struct hclge_vport *vport = hclge_get_vport(handle); + u32 wol_mode; + int ret; + + wol_mode = wol->wolopts; + if (wol_mode & ~wol_info->wol_support_mode) + return -EINVAL; + + wol_info->wol_current_mode = wol_mode; + if (wol_mode & WAKE_MAGICSECURE) { + memcpy(wol_info->wol_sopass, wol->sopass, SOPASS_MAX); + wol_info->wol_sopass_size = SOPASS_MAX; + } else { + wol_info->wol_sopass_size = 0; + } + + ret = hclge_set_wol_cfg(vport->back, wol_info); + if (ret) + wol_info->wol_current_mode = 0; + + return ret; +} + static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) { struct pci_dev *pdev = ae_dev->pdev; @@ -11718,6 +11836,11 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) /* Enable MISC vector(vector0) */ hclge_enable_vector(&hdev->misc_vector, true); + ret = hclge_init_wol(hdev); + if (ret) + dev_warn(&pdev->dev, + "failed to wake on lan init, ret = %d\n", ret); + hclge_state_init(hdev); hdev->last_reset_time = jiffies; @@ -12096,6 +12219,11 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev) hclge_init_rxd_adv_layout(hdev); + ret = hclge_update_wol(hdev); + if (ret) + dev_warn(&pdev->dev, + "failed to update wol config, ret = %d\n", ret); + dev_info(&pdev->dev, "Reset done, %s driver initialization finished.\n", HCLGE_DRIVER_NAME); @@ -13142,6 +13270,8 @@ static const struct hnae3_ae_ops hclge_ops = { .get_link_diagnosis_info = hclge_get_link_diagnosis_info, .clean_vf_config = hclge_clean_vport_config, .get_dscp_prio = hclge_get_dscp_prio, + .get_wol = hclge_get_wol, + .set_wol = hclge_set_wol, }; static struct hnae3_ae_algo ae_algo = { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 13f23d606e77..81aa6b0facf5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -249,6 +249,13 @@ enum HCLGE_MAC_DUPLEX { #define QUERY_SFP_SPEED 0 #define QUERY_ACTIVE_SPEED 1 +struct hclge_wol_info { + u32 wol_support_mode; /* store the wake on lan info */ + u32 wol_current_mode; + u8 wol_sopass[SOPASS_MAX]; + u8 wol_sopass_size; +}; + struct hclge_mac { u8 mac_id; u8 phy_addr; @@ -268,6 +275,7 @@ struct hclge_mac { u32 user_fec_mode; u32 fec_ability; int link; /* store the link status of mac & phy (if phy exists) */ + struct hclge_wol_info wol; struct phy_device *phydev; struct mii_bus *mdio_bus; phy_interface_t phy_if; -- cgit