ice: Get MAC/PHY/link info and scheduler topology

This patch adds code to continue the initialization flow as follows:

1) Get PHY/link information and store it
2) Get default scheduler tree topology and store it
3) Get the MAC address associated with the port and store it

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

Author: refactorman

drivers/net/ethernet/intel/ice/ice.h

@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/compiler.h>
+#include <linux/etherdevice.h>
 #include <linux/pci.h>
 #include <linux/aer.h>
 #include <linux/delay.h>

drivers/net/ethernet/intel/ice/ice_adminq_cmd.h

@@ -104,6 +104,35 @@ struct ice_aqc_list_caps_elem {
 	__le64 rsvd2;
 };
 
+/* Manage MAC address, read command - indirect (0x0107)
+ * This struct is also used for the response
+ */
+struct ice_aqc_manage_mac_read {
+	__le16 flags; /* Zeroed by device driver */
+#define ICE_AQC_MAN_MAC_LAN_ADDR_VALID		BIT(4)
+#define ICE_AQC_MAN_MAC_SAN_ADDR_VALID		BIT(5)
+#define ICE_AQC_MAN_MAC_PORT_ADDR_VALID		BIT(6)
+#define ICE_AQC_MAN_MAC_WOL_ADDR_VALID		BIT(7)
+#define ICE_AQC_MAN_MAC_READ_S			4
+#define ICE_AQC_MAN_MAC_READ_M			(0xF << ICE_AQC_MAN_MAC_READ_S)
+	u8 lport_num;
+	u8 lport_num_valid;
+#define ICE_AQC_MAN_MAC_PORT_NUM_IS_VALID	BIT(0)
+	u8 num_addr; /* Used in response */
+	u8 reserved[3];
+	__le32 addr_high;
+	__le32 addr_low;
+};
+
+/* Response buffer format for manage MAC read command */
+struct ice_aqc_manage_mac_read_resp {
+	u8 lport_num;
+	u8 addr_type;
+#define ICE_AQC_MAN_MAC_ADDR_TYPE_LAN		0
+#define ICE_AQC_MAN_MAC_ADDR_TYPE_WOL		1
+	u8 mac_addr[ETH_ALEN];
+};
+
 /* Clear PXE Command and response (direct 0x0110) */
 struct ice_aqc_clear_pxe {
 	u8 rx_cnt;
@@ -161,6 +190,16 @@ struct ice_aqc_get_sw_cfg_resp {
 	struct ice_aqc_get_sw_cfg_resp_elem elements[1];
 };
 
+/* Get Default Topology (indirect 0x0400) */
+struct ice_aqc_get_topo {
+	u8 port_num;
+	u8 num_branches;
+	__le16 reserved1;
+	__le32 reserved2;
+	__le32 addr_high;
+	__le32 addr_low;
+};
+
 /* Add TSE (indirect 0x0401)
  * Delete TSE (indirect 0x040F)
  * Move TSE (indirect 0x0408)
@@ -221,6 +260,12 @@ struct ice_aqc_txsched_topo_grp_info_hdr {
 	__le16 reserved2;
 };
 
+struct ice_aqc_get_topo_elem {
+	struct ice_aqc_txsched_topo_grp_info_hdr hdr;
+	struct ice_aqc_txsched_elem_data
+		generic[ICE_AQC_TOPO_MAX_LEVEL_NUM];
+};
+
 struct ice_aqc_delete_elem {
 	struct ice_aqc_txsched_topo_grp_info_hdr hdr;
 	__le32 teid[1];
@@ -266,6 +311,210 @@ struct ice_aqc_query_txsched_res_resp {
 	struct ice_aqc_layer_props layer_props[ICE_AQC_TOPO_MAX_LEVEL_NUM];
 };
 
+/* Get PHY capabilities (indirect 0x0600) */
+struct ice_aqc_get_phy_caps {
+	u8 lport_num;
+	u8 reserved;
+	__le16 param0;
+	/* 18.0 - Report qualified modules */
+#define ICE_AQC_GET_PHY_RQM		BIT(0)
+	/* 18.1 - 18.2 : Report mode
+	 * 00b - Report NVM capabilities
+	 * 01b - Report topology capabilities
+	 * 10b - Report SW configured
+	 */
+#define ICE_AQC_REPORT_MODE_S		1
+#define ICE_AQC_REPORT_MODE_M		(3 << ICE_AQC_REPORT_MODE_S)
+#define ICE_AQC_REPORT_NVM_CAP		0
+#define ICE_AQC_REPORT_TOPO_CAP		BIT(1)
+#define ICE_AQC_REPORT_SW_CFG		BIT(2)
+	__le32 reserved1;
+	__le32 addr_high;
+	__le32 addr_low;
+};
+
+/* This is #define of PHY type (Extended):
+ * The first set of defines is for phy_type_low.
+ */
+#define ICE_PHY_TYPE_LOW_100BASE_TX		BIT_ULL(0)
+#define ICE_PHY_TYPE_LOW_100M_SGMII		BIT_ULL(1)
+#define ICE_PHY_TYPE_LOW_1000BASE_T		BIT_ULL(2)
+#define ICE_PHY_TYPE_LOW_1000BASE_SX		BIT_ULL(3)
+#define ICE_PHY_TYPE_LOW_1000BASE_LX		BIT_ULL(4)
+#define ICE_PHY_TYPE_LOW_1000BASE_KX		BIT_ULL(5)
+#define ICE_PHY_TYPE_LOW_1G_SGMII		BIT_ULL(6)
+#define ICE_PHY_TYPE_LOW_2500BASE_T		BIT_ULL(7)
+#define ICE_PHY_TYPE_LOW_2500BASE_X		BIT_ULL(8)
+#define ICE_PHY_TYPE_LOW_2500BASE_KX		BIT_ULL(9)
+#define ICE_PHY_TYPE_LOW_5GBASE_T		BIT_ULL(10)
+#define ICE_PHY_TYPE_LOW_5GBASE_KR		BIT_ULL(11)
+#define ICE_PHY_TYPE_LOW_10GBASE_T		BIT_ULL(12)
+#define ICE_PHY_TYPE_LOW_10G_SFI_DA		BIT_ULL(13)
+#define ICE_PHY_TYPE_LOW_10GBASE_SR		BIT_ULL(14)
+#define ICE_PHY_TYPE_LOW_10GBASE_LR		BIT_ULL(15)
+#define ICE_PHY_TYPE_LOW_10GBASE_KR_CR1		BIT_ULL(16)
+#define ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC	BIT_ULL(17)
+#define ICE_PHY_TYPE_LOW_10G_SFI_C2C		BIT_ULL(18)
+#define ICE_PHY_TYPE_LOW_25GBASE_T		BIT_ULL(19)
+#define ICE_PHY_TYPE_LOW_25GBASE_CR		BIT_ULL(20)
+#define ICE_PHY_TYPE_LOW_25GBASE_CR_S		BIT_ULL(21)
+#define ICE_PHY_TYPE_LOW_25GBASE_CR1		BIT_ULL(22)
+#define ICE_PHY_TYPE_LOW_25GBASE_SR		BIT_ULL(23)
+#define ICE_PHY_TYPE_LOW_25GBASE_LR		BIT_ULL(24)
+#define ICE_PHY_TYPE_LOW_25GBASE_KR		BIT_ULL(25)
+#define ICE_PHY_TYPE_LOW_25GBASE_KR_S		BIT_ULL(26)
+#define ICE_PHY_TYPE_LOW_25GBASE_KR1		BIT_ULL(27)
+#define ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC	BIT_ULL(28)
+#define ICE_PHY_TYPE_LOW_25G_AUI_C2C		BIT_ULL(29)
+#define ICE_PHY_TYPE_LOW_40GBASE_CR4		BIT_ULL(30)
+#define ICE_PHY_TYPE_LOW_40GBASE_SR4		BIT_ULL(31)
+#define ICE_PHY_TYPE_LOW_40GBASE_LR4		BIT_ULL(32)
+#define ICE_PHY_TYPE_LOW_40GBASE_KR4		BIT_ULL(33)
+#define ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC	BIT_ULL(34)
+#define ICE_PHY_TYPE_LOW_40G_XLAUI		BIT_ULL(35)
+#define ICE_PHY_TYPE_LOW_MAX_INDEX		63
+
+struct ice_aqc_get_phy_caps_data {
+	__le64 phy_type_low; /* Use values from ICE_PHY_TYPE_LOW_* */
+	__le64 reserved;
+	u8 caps;
+#define ICE_AQC_PHY_EN_TX_LINK_PAUSE			BIT(0)
+#define ICE_AQC_PHY_EN_RX_LINK_PAUSE			BIT(1)
+#define ICE_AQC_PHY_LOW_POWER_MODE			BIT(2)
+#define ICE_AQC_PHY_EN_LINK				BIT(3)
+#define ICE_AQC_PHY_AN_MODE				BIT(4)
+#define ICE_AQC_GET_PHY_EN_MOD_QUAL			BIT(5)
+	u8 low_power_ctrl;
+#define ICE_AQC_PHY_EN_D3COLD_LOW_POWER_AUTONEG		BIT(0)
+	__le16 eee_cap;
+#define ICE_AQC_PHY_EEE_EN_100BASE_TX			BIT(0)
+#define ICE_AQC_PHY_EEE_EN_1000BASE_T			BIT(1)
+#define ICE_AQC_PHY_EEE_EN_10GBASE_T			BIT(2)
+#define ICE_AQC_PHY_EEE_EN_1000BASE_KX			BIT(3)
+#define ICE_AQC_PHY_EEE_EN_10GBASE_KR			BIT(4)
+#define ICE_AQC_PHY_EEE_EN_25GBASE_KR			BIT(5)
+#define ICE_AQC_PHY_EEE_EN_40GBASE_KR4			BIT(6)
+	__le16 eeer_value;
+	u8 phy_id_oui[4]; /* PHY/Module ID connected on the port */
+	u8 link_fec_options;
+#define ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN		BIT(0)
+#define ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ		BIT(1)
+#define ICE_AQC_PHY_FEC_25G_RS_528_REQ			BIT(2)
+#define ICE_AQC_PHY_FEC_25G_KR_REQ			BIT(3)
+#define ICE_AQC_PHY_FEC_25G_RS_544_REQ			BIT(4)
+#define ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN		BIT(6)
+#define ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN		BIT(7)
+	u8 extended_compliance_code;
+#define ICE_MODULE_TYPE_TOTAL_BYTE			3
+	u8 module_type[ICE_MODULE_TYPE_TOTAL_BYTE];
+#define ICE_AQC_MOD_TYPE_BYTE0_SFP_PLUS			0xA0
+#define ICE_AQC_MOD_TYPE_BYTE0_QSFP_PLUS		0x80
+#define ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE	BIT(0)
+#define ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE	BIT(1)
+#define ICE_AQC_MOD_TYPE_BYTE1_10G_BASE_SR		BIT(4)
+#define ICE_AQC_MOD_TYPE_BYTE1_10G_BASE_LR		BIT(5)
+#define ICE_AQC_MOD_TYPE_BYTE1_10G_BASE_LRM		BIT(6)
+#define ICE_AQC_MOD_TYPE_BYTE1_10G_BASE_ER		BIT(7)
+#define ICE_AQC_MOD_TYPE_BYTE2_SFP_PLUS			0xA0
+#define ICE_AQC_MOD_TYPE_BYTE2_QSFP_PLUS		0x86
+	u8 qualified_module_count;
+#define ICE_AQC_QUAL_MOD_COUNT_MAX			16
+	struct {
+		u8 v_oui[3];
+		u8 rsvd1;
+		u8 v_part[16];
+		__le32 v_rev;
+		__le64 rsvd8;
+	} qual_modules[ICE_AQC_QUAL_MOD_COUNT_MAX];
+};
+
+/* Get link status (indirect 0x0607), also used for Link Status Event */
+struct ice_aqc_get_link_status {
+	u8 lport_num;
+	u8 reserved;
+	__le16 cmd_flags;
+#define ICE_AQ_LSE_M			0x3
+#define ICE_AQ_LSE_NOP			0x0
+#define ICE_AQ_LSE_DIS			0x2
+#define ICE_AQ_LSE_ENA			0x3
+	/* only response uses this flag */
+#define ICE_AQ_LSE_IS_ENABLED		0x1
+	__le32 reserved2;
+	__le32 addr_high;
+	__le32 addr_low;
+};
+
+/* Get link status response data structure, also used for Link Status Event */
+struct ice_aqc_get_link_status_data {
+	u8 topo_media_conflict;
+#define ICE_AQ_LINK_TOPO_CONFLICT	BIT(0)
+#define ICE_AQ_LINK_MEDIA_CONFLICT	BIT(1)
+#define ICE_AQ_LINK_TOPO_CORRUPT	BIT(2)
+	u8 reserved1;
+	u8 link_info;
+#define ICE_AQ_LINK_UP			BIT(0)	/* Link Status */
+#define ICE_AQ_LINK_FAULT		BIT(1)
+#define ICE_AQ_LINK_FAULT_TX		BIT(2)
+#define ICE_AQ_LINK_FAULT_RX		BIT(3)
+#define ICE_AQ_LINK_FAULT_REMOTE	BIT(4)
+#define ICE_AQ_LINK_UP_PORT		BIT(5)	/* External Port Link Status */
+#define ICE_AQ_MEDIA_AVAILABLE		BIT(6)
+#define ICE_AQ_SIGNAL_DETECT		BIT(7)
+	u8 an_info;
+#define ICE_AQ_AN_COMPLETED		BIT(0)
+#define ICE_AQ_LP_AN_ABILITY		BIT(1)
+#define ICE_AQ_PD_FAULT			BIT(2)	/* Parallel Detection Fault */
+#define ICE_AQ_FEC_EN			BIT(3)
+#define ICE_AQ_PHY_LOW_POWER		BIT(4)	/* Low Power State */
+#define ICE_AQ_LINK_PAUSE_TX		BIT(5)
+#define ICE_AQ_LINK_PAUSE_RX		BIT(6)
+#define ICE_AQ_QUALIFIED_MODULE		BIT(7)
+	u8 ext_info;
+#define ICE_AQ_LINK_PHY_TEMP_ALARM	BIT(0)
+#define ICE_AQ_LINK_EXCESSIVE_ERRORS	BIT(1)	/* Excessive Link Errors */
+	/* Port TX Suspended */
+#define ICE_AQ_LINK_TX_S		2
+#define ICE_AQ_LINK_TX_M		(0x03 << ICE_AQ_LINK_TX_S)
+#define ICE_AQ_LINK_TX_ACTIVE		0
+#define ICE_AQ_LINK_TX_DRAINED		1
+#define ICE_AQ_LINK_TX_FLUSHED		3
+	u8 reserved2;
+	__le16 max_frame_size;
+	u8 cfg;
+#define ICE_AQ_LINK_25G_KR_FEC_EN	BIT(0)
+#define ICE_AQ_LINK_25G_RS_528_FEC_EN	BIT(1)
+#define ICE_AQ_LINK_25G_RS_544_FEC_EN	BIT(2)
+	/* Pacing Config */
+#define ICE_AQ_CFG_PACING_S		3
+#define ICE_AQ_CFG_PACING_M		(0xF << ICE_AQ_CFG_PACING_S)
+#define ICE_AQ_CFG_PACING_TYPE_M	BIT(7)
+#define ICE_AQ_CFG_PACING_TYPE_AVG	0
+#define ICE_AQ_CFG_PACING_TYPE_FIXED	ICE_AQ_CFG_PACING_TYPE_M
+	/* External Device Power Ability */
+	u8 power_desc;
+#define ICE_AQ_PWR_CLASS_M		0x3
+#define ICE_AQ_LINK_PWR_BASET_LOW_HIGH	0
+#define ICE_AQ_LINK_PWR_BASET_HIGH	1
+#define ICE_AQ_LINK_PWR_QSFP_CLASS_1	0
+#define ICE_AQ_LINK_PWR_QSFP_CLASS_2	1
+#define ICE_AQ_LINK_PWR_QSFP_CLASS_3	2
+#define ICE_AQ_LINK_PWR_QSFP_CLASS_4	3
+	__le16 link_speed;
+#define ICE_AQ_LINK_SPEED_10MB		BIT(0)
+#define ICE_AQ_LINK_SPEED_100MB		BIT(1)
+#define ICE_AQ_LINK_SPEED_1000MB	BIT(2)
+#define ICE_AQ_LINK_SPEED_2500MB	BIT(3)
+#define ICE_AQ_LINK_SPEED_5GB		BIT(4)
+#define ICE_AQ_LINK_SPEED_10GB		BIT(5)
+#define ICE_AQ_LINK_SPEED_20GB		BIT(6)
+#define ICE_AQ_LINK_SPEED_25GB		BIT(7)
+#define ICE_AQ_LINK_SPEED_40GB		BIT(8)
+#define ICE_AQ_LINK_SPEED_UNKNOWN	BIT(15)
+	__le32 reserved3; /* Aligns next field to 8-byte boundary */
+	__le64 phy_type_low; /* Use values from ICE_PHY_TYPE_LOW_* */
+	__le64 reserved4;
+};
+
 /* NVM Read command (indirect 0x0701)
  * NVM Erase commands (direct 0x0702)
  * NVM Update commands (indirect 0x0703)
@@ -318,12 +567,16 @@ struct ice_aq_desc {
 		struct ice_aqc_get_ver get_ver;
 		struct ice_aqc_q_shutdown q_shutdown;
 		struct ice_aqc_req_res res_owner;
+		struct ice_aqc_manage_mac_read mac_read;
 		struct ice_aqc_clear_pxe clear_pxe;
 		struct ice_aqc_list_caps get_cap;
+		struct ice_aqc_get_phy_caps get_phy;
 		struct ice_aqc_get_sw_cfg get_sw_conf;
+		struct ice_aqc_get_topo get_topo;
 		struct ice_aqc_query_txsched_res query_sched_res;
 		struct ice_aqc_add_move_delete_elem add_move_delete_elem;
 		struct ice_aqc_nvm nvm;
+		struct ice_aqc_get_link_status get_link_status;
 	} params;
 };
 
@@ -362,6 +615,9 @@ enum ice_adminq_opc {
 	ice_aqc_opc_list_func_caps			= 0x000A,
 	ice_aqc_opc_list_dev_caps			= 0x000B,
 
+	/* manage MAC address */
+	ice_aqc_opc_manage_mac_read			= 0x0107,
+
 	/* PXE */
 	ice_aqc_opc_clear_pxe_mode			= 0x0110,
 
@@ -371,9 +627,14 @@ enum ice_adminq_opc {
 	ice_aqc_opc_clear_pf_cfg			= 0x02A4,
 
 	/* transmit scheduler commands */
+	ice_aqc_opc_get_dflt_topo			= 0x0400,
 	ice_aqc_opc_delete_sched_elems			= 0x040F,
 	ice_aqc_opc_query_sched_res			= 0x0412,
 
+	/* PHY commands */
+	ice_aqc_opc_get_phy_caps			= 0x0600,
+	ice_aqc_opc_get_link_status			= 0x0607,
+
 	/* NVM commands */
 	ice_aqc_opc_nvm_read				= 0x0701,