Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 588 insertions, 0 deletions

diff --git a/drivers/net/bnx2x/elink.h b/drivers/net/bnx2x/elink.h
new file mode 100644
index 00000000..c4f886a7
--- /dev/null
+++ b/drivers/net/bnx2x/elink.h
@@ -0,0 +1,588 @@
+/*
+ * Copyright (c) 2007-2013 QLogic Corporation. All rights reserved.
+ *
+ * Eric Davis        <edavis@broadcom.com>
+ * David Christensen <davidch@broadcom.com>
+ * Gary Zambrano     <zambrano@broadcom.com>
+ *
+ * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
+ * Copyright (c) 2015 QLogic Corporation.
+ * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.bnx2x_pmd for copyright and licensing details.
+ */
+
+#ifndef ELINK_H
+#define ELINK_H
+
+#define ELINK_DEBUG
+
+
+
+
+
+
+/***********************************************************/
+/*                  CLC Call backs functions               */
+/***********************************************************/
+/* CLC device structure */
+struct bnx2x_softc;
+
+extern uint32_t elink_cb_reg_read(struct bnx2x_softc *sc, uint32_t reg_addr);
+extern void elink_cb_reg_write(struct bnx2x_softc *sc, uint32_t reg_addr, uint32_t val);
+
+/* mode - 0( LOW ) /1(HIGH)*/
+extern uint8_t elink_cb_gpio_write(struct bnx2x_softc *sc,
+			    uint16_t gpio_num,
+			    uint8_t mode, uint8_t port);
+extern uint8_t elink_cb_gpio_mult_write(struct bnx2x_softc *sc,
+			    uint8_t pins,
+			    uint8_t mode);
+
+extern uint32_t elink_cb_gpio_read(struct bnx2x_softc *sc, uint16_t gpio_num, uint8_t port);
+extern uint8_t elink_cb_gpio_int_write(struct bnx2x_softc *sc,
+				uint16_t gpio_num,
+				uint8_t mode, uint8_t port);
+
+extern uint32_t elink_cb_fw_command(struct bnx2x_softc *sc, uint32_t command, uint32_t param);
+
+/* This function is called every 1024 bytes downloading of phy firmware.
+Driver can use it to print to screen indication for download progress */
+extern void elink_cb_download_progress(struct bnx2x_softc *sc, uint32_t cur, uint32_t total);
+
+/* Each log type has its own parameters */
+typedef enum elink_log_id {
+	ELINK_LOG_ID_UNQUAL_IO_MODULE	= 0, /* uint8_t port, const char* vendor_name, const char* vendor_pn */
+	ELINK_LOG_ID_OVER_CURRENT	= 1, /* uint8_t port */
+	ELINK_LOG_ID_PHY_UNINITIALIZED	= 2, /* uint8_t port */
+	ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT= 3, /* No params */
+	ELINK_LOG_ID_NON_10G_MODULE	= 4, /* uint8_t port */
+}elink_log_id_t;
+
+typedef enum elink_status {
+	ELINK_STATUS_OK = 0,
+	ELINK_STATUS_ERROR,
+	ELINK_STATUS_TIMEOUT,
+	ELINK_STATUS_NO_LINK,
+	ELINK_STATUS_INVALID_IMAGE,
+	ELINK_OP_NOT_SUPPORTED = 122
+} elink_status_t;
+extern void elink_cb_event_log(struct bnx2x_softc *sc, const elink_log_id_t log_id, ...);
+extern void elink_cb_load_warpcore_microcode(void);
+
+extern void elink_cb_notify_link_changed(struct bnx2x_softc *sc);
+
+#define ELINK_EVENT_LOG_LEVEL_ERROR 	1
+#define ELINK_EVENT_LOG_LEVEL_WARNING 	2
+#define ELINK_EVENT_ID_SFP_UNQUALIFIED_MODULE 	1
+#define ELINK_EVENT_ID_SFP_POWER_FAULT 		2
+
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
+/* Debug prints */
+
+/***********************************************************/
+/*                         Defines                         */
+/***********************************************************/
+#define ELINK_DEFAULT_PHY_DEV_ADDR	3
+#define ELINK_E2_DEFAULT_PHY_DEV_ADDR	5
+
+
+#define DUPLEX_FULL			1
+#define DUPLEX_HALF			2
+
+#define ELINK_FLOW_CTRL_AUTO		PORT_FEATURE_FLOW_CONTROL_AUTO
+#define ELINK_FLOW_CTRL_TX		PORT_FEATURE_FLOW_CONTROL_TX
+#define ELINK_FLOW_CTRL_RX		PORT_FEATURE_FLOW_CONTROL_RX
+#define ELINK_FLOW_CTRL_BOTH		PORT_FEATURE_FLOW_CONTROL_BOTH
+#define ELINK_FLOW_CTRL_NONE		PORT_FEATURE_FLOW_CONTROL_NONE
+
+#define ELINK_NET_SERDES_IF_XFI		1
+#define ELINK_NET_SERDES_IF_SFI		2
+#define ELINK_NET_SERDES_IF_KR		3
+#define ELINK_NET_SERDES_IF_DXGXS	4
+
+#define ELINK_SPEED_AUTO_NEG		0
+#define ELINK_SPEED_10			10
+#define ELINK_SPEED_100			100
+#define ELINK_SPEED_1000		1000
+#define ELINK_SPEED_2500		2500
+#define ELINK_SPEED_10000		10000
+#define ELINK_SPEED_20000		20000
+
+#define ELINK_I2C_DEV_ADDR_A0			0xa0
+#define ELINK_I2C_DEV_ADDR_A2			0xa2
+
+#define ELINK_SFP_EEPROM_PAGE_SIZE			16
+#define ELINK_SFP_EEPROM_VENDOR_NAME_ADDR		0x14
+#define ELINK_SFP_EEPROM_VENDOR_NAME_SIZE		16
+#define ELINK_SFP_EEPROM_VENDOR_OUI_ADDR		0x25
+#define ELINK_SFP_EEPROM_VENDOR_OUI_SIZE		3
+#define ELINK_SFP_EEPROM_PART_NO_ADDR			0x28
+#define ELINK_SFP_EEPROM_PART_NO_SIZE			16
+#define ELINK_SFP_EEPROM_REVISION_ADDR		0x38
+#define ELINK_SFP_EEPROM_REVISION_SIZE		4
+#define ELINK_SFP_EEPROM_SERIAL_ADDR			0x44
+#define ELINK_SFP_EEPROM_SERIAL_SIZE			16
+#define ELINK_SFP_EEPROM_DATE_ADDR			0x54 /* ASCII YYMMDD */
+#define ELINK_SFP_EEPROM_DATE_SIZE			6
+#define ELINK_SFP_EEPROM_DIAG_TYPE_ADDR			0x5c
+#define ELINK_SFP_EEPROM_DIAG_TYPE_SIZE			1
+#define ELINK_SFP_EEPROM_DIAG_ADDR_CHANGE_REQ		(1<<2)
+#define ELINK_SFP_EEPROM_SFF_8472_COMP_ADDR		0x5e
+#define ELINK_SFP_EEPROM_SFF_8472_COMP_SIZE		1
+
+#define ELINK_SFP_EEPROM_A2_CHECKSUM_RANGE		0x5e
+#define ELINK_SFP_EEPROM_A2_CC_DMI_ADDR			0x5f
+
+#define ELINK_PWR_FLT_ERR_MSG_LEN			250
+
+#define ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config) \
+		((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK)
+#define ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config) \
+		(((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \
+		 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT)
+#define ELINK_SERDES_EXT_PHY_TYPE(ext_phy_config) \
+		((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK)
+
+/* Single Media Direct board is the plain 577xx board with CX4/RJ45 jacks */
+#define ELINK_SINGLE_MEDIA_DIRECT(params)	(params->num_phys == 1)
+/* Single Media board contains single external phy */
+#define ELINK_SINGLE_MEDIA(params)		(params->num_phys == 2)
+/* Dual Media board contains two external phy with different media */
+#define ELINK_DUAL_MEDIA(params)		(params->num_phys == 3)
+
+#define ELINK_FW_PARAM_PHY_ADDR_MASK		0x000000FF
+#define ELINK_FW_PARAM_PHY_TYPE_MASK		0x0000FF00
+#define ELINK_FW_PARAM_MDIO_CTRL_MASK		0xFFFF0000
+#define ELINK_FW_PARAM_MDIO_CTRL_OFFSET		16
+#define ELINK_FW_PARAM_PHY_ADDR(fw_param) (fw_param & \
+					   ELINK_FW_PARAM_PHY_ADDR_MASK)
+#define ELINK_FW_PARAM_PHY_TYPE(fw_param) (fw_param & \
+					   ELINK_FW_PARAM_PHY_TYPE_MASK)
+#define ELINK_FW_PARAM_MDIO_CTRL(fw_param) ((fw_param & \
+					    ELINK_FW_PARAM_MDIO_CTRL_MASK) >> \
+					    ELINK_FW_PARAM_MDIO_CTRL_OFFSET)
+#define ELINK_FW_PARAM_SET(phy_addr, phy_type, mdio_access) \
+	(phy_addr | phy_type | mdio_access << ELINK_FW_PARAM_MDIO_CTRL_OFFSET)
+
+
+#define ELINK_PFC_BRB_FULL_LB_XOFF_THRESHOLD				170
+#define ELINK_PFC_BRB_FULL_LB_XON_THRESHOLD				250
+
+#define ELINK_MAXVAL(a, b) (((a) > (b)) ? (a) : (b))
+
+#define ELINK_BMAC_CONTROL_RX_ENABLE		2
+/***********************************************************/
+/*                         Structs                         */
+/***********************************************************/
+#define ELINK_INT_PHY		0
+#define ELINK_EXT_PHY1	1
+#define ELINK_EXT_PHY2	2
+#define ELINK_MAX_PHYS	3
+
+/* Same configuration is shared between the XGXS and the first external phy */
+#define ELINK_LINK_CONFIG_SIZE (ELINK_MAX_PHYS - 1)
+#define ELINK_LINK_CONFIG_IDX(_phy_idx) ((_phy_idx == ELINK_INT_PHY) ? \
+					 0 : (_phy_idx - 1))
+/***********************************************************/
+/*                      elink_phy struct                   */
+/*  Defines the required arguments and function per phy    */
+/***********************************************************/
+struct elink_vars;
+struct elink_params;
+struct elink_phy;
+
+typedef uint8_t (*config_init_t)(struct elink_phy *phy, struct elink_params *params,
+			    struct elink_vars *vars);
+typedef uint8_t (*read_status_t)(struct elink_phy *phy, struct elink_params *params,
+			    struct elink_vars *vars);
+typedef void (*link_reset_t)(struct elink_phy *phy,
+			     struct elink_params *params);
+typedef void (*config_loopback_t)(struct elink_phy *phy,
+				  struct elink_params *params);
+typedef uint8_t (*format_fw_ver_t)(uint32_t raw, uint8_t *str, uint16_t *len);
+typedef void (*hw_reset_t)(struct elink_phy *phy, struct elink_params *params);
+typedef void (*set_link_led_t)(struct elink_phy *phy,
+			       struct elink_params *params, uint8_t mode);
+typedef void (*phy_specific_func_t)(struct elink_phy *phy,
+				    struct elink_params *params, uint32_t action);
+struct elink_reg_set {
+	uint8_t  devad;
+	uint16_t reg;
+	uint16_t val;
+};
+
+struct elink_phy {
+	uint32_t type;
+
+	/* Loaded during init */
+	uint8_t addr;
+	uint8_t def_md_devad;
+	uint16_t flags;
+	/* No Over-Current detection */
+#define ELINK_FLAGS_NOC			(1<<1)
+	/* Fan failure detection required */
+#define ELINK_FLAGS_FAN_FAILURE_DET_REQ	(1<<2)
+	/* Initialize first the XGXS and only then the phy itself */
+#define ELINK_FLAGS_INIT_XGXS_FIRST		(1<<3)
+#define ELINK_FLAGS_WC_DUAL_MODE		(1<<4)
+#define ELINK_FLAGS_4_PORT_MODE		(1<<5)
+#define ELINK_FLAGS_REARM_LATCH_SIGNAL		(1<<6)
+#define ELINK_FLAGS_SFP_NOT_APPROVED		(1<<7)
+#define ELINK_FLAGS_MDC_MDIO_WA		(1<<8)
+#define ELINK_FLAGS_DUMMY_READ			(1<<9)
+#define ELINK_FLAGS_MDC_MDIO_WA_B0		(1<<10)
+#define ELINK_FLAGS_SFP_MODULE_PLUGGED_IN_WC	(1<<11)
+#define ELINK_FLAGS_TX_ERROR_CHECK		(1<<12)
+#define ELINK_FLAGS_EEE			(1<<13)
+#define ELINK_FLAGS_TEMPERATURE		(1<<14)
+#define ELINK_FLAGS_MDC_MDIO_WA_G		(1<<15)
+
+	/* preemphasis values for the rx side */
+	uint16_t rx_preemphasis[4];
+
+	/* preemphasis values for the tx side */
+	uint16_t tx_preemphasis[4];
+
+	/* EMAC address for access MDIO */
+	uint32_t mdio_ctrl;
+
+	uint32_t supported;
+#define ELINK_SUPPORTED_10baseT_Half		(1<<0)
+#define ELINK_SUPPORTED_10baseT_Full		(1<<1)
+#define ELINK_SUPPORTED_100baseT_Half		(1<<2)
+#define ELINK_SUPPORTED_100baseT_Full 		(1<<3)
+#define ELINK_SUPPORTED_1000baseT_Full 	(1<<4)
+#define ELINK_SUPPORTED_2500baseX_Full 	(1<<5)
+#define ELINK_SUPPORTED_10000baseT_Full 	(1<<6)
+#define ELINK_SUPPORTED_TP 			(1<<7)
+#define ELINK_SUPPORTED_FIBRE 			(1<<8)
+#define ELINK_SUPPORTED_Autoneg 		(1<<9)
+#define ELINK_SUPPORTED_Pause 			(1<<10)
+#define ELINK_SUPPORTED_Asym_Pause		(1<<11)
+#define ELINK_SUPPORTED_20000baseMLD2_Full	(1<<21)
+#define ELINK_SUPPORTED_20000baseKR2_Full	(1<<22)
+
+	uint32_t media_type;
+#define	ELINK_ETH_PHY_UNSPECIFIED	0x0
+#define	ELINK_ETH_PHY_SFPP_10G_FIBER	0x1
+#define	ELINK_ETH_PHY_XFP_FIBER		0x2
+#define	ELINK_ETH_PHY_DA_TWINAX		0x3
+#define	ELINK_ETH_PHY_BASE_T		0x4
+#define ELINK_ETH_PHY_SFP_1G_FIBER	0x5
+#define	ELINK_ETH_PHY_KR		0xf0
+#define	ELINK_ETH_PHY_CX4		0xf1
+#define	ELINK_ETH_PHY_NOT_PRESENT	0xff
+
+	/* The address in which version is located*/
+	uint32_t ver_addr;
+
+	uint16_t req_flow_ctrl;
+
+	uint16_t req_line_speed;
+
+	uint32_t speed_cap_mask;
+
+	uint16_t req_duplex;
+	uint16_t rsrv;
+	/* Called per phy/port init, and it configures LASI, speed, autoneg,
+	 duplex, flow control negotiation, etc. */
+	config_init_t config_init;
+
+	/* Called due to interrupt. It determines the link, speed */
+	read_status_t read_status;
+
+	/* Called when driver is unloading. Should reset the phy */
+	link_reset_t link_reset;
+
+	/* Set the loopback configuration for the phy */
+	config_loopback_t config_loopback;
+
+	/* Format the given raw number into str up to len */
+	format_fw_ver_t format_fw_ver;
+
+	/* Reset the phy (both ports) */
+	hw_reset_t hw_reset;
+
+	/* Set link led mode (on/off/oper)*/
+	set_link_led_t set_link_led;
+
+	/* PHY Specific tasks */
+	phy_specific_func_t phy_specific_func;
+#define ELINK_DISABLE_TX	1
+#define ELINK_ENABLE_TX	2
+#define ELINK_PHY_INIT	3
+};
+
+/* Inputs parameters to the CLC */
+struct elink_params {
+
+	uint8_t port;
+
+	/* Default / User Configuration */
+	uint8_t loopback_mode;
+#define ELINK_LOOPBACK_NONE		0
+#define ELINK_LOOPBACK_EMAC		1
+#define ELINK_LOOPBACK_BMAC		2
+#define ELINK_LOOPBACK_XGXS		3
+#define ELINK_LOOPBACK_EXT_PHY		4
+#define ELINK_LOOPBACK_EXT		5
+#define ELINK_LOOPBACK_UMAC		6
+#define ELINK_LOOPBACK_XMAC		7
+
+	/* Device parameters */
+	uint8_t mac_addr[6];
+
+	uint16_t req_duplex[ELINK_LINK_CONFIG_SIZE];
+	uint16_t req_flow_ctrl[ELINK_LINK_CONFIG_SIZE];
+
+	uint16_t req_line_speed[ELINK_LINK_CONFIG_SIZE]; /* Also determine AutoNeg */
+
+	/* shmem parameters */
+	uint32_t shmem_base;
+	uint32_t shmem2_base;
+	uint32_t speed_cap_mask[ELINK_LINK_CONFIG_SIZE];
+	uint32_t switch_cfg;
+#define ELINK_SWITCH_CFG_1G		PORT_FEATURE_CON_SWITCH_1G_SWITCH
+#define ELINK_SWITCH_CFG_10G		PORT_FEATURE_CON_SWITCH_10G_SWITCH
+#define ELINK_SWITCH_CFG_AUTO_DETECT	PORT_FEATURE_CON_SWITCH_AUTO_DETECT
+
+	uint32_t lane_config;
+
+	/* Phy register parameter */
+	uint32_t chip_id;
+
+	/* features */
+	uint32_t feature_config_flags;
+#define ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED	(1<<0)
+#define ELINK_FEATURE_CONFIG_PFC_ENABLED			(1<<1)
+#define ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY		(1<<2)
+#define ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY	(1<<3)
+#define ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC			(1<<4)
+#define ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC			(1<<5)
+#define ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC			(1<<6)
+#define ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC			(1<<7)
+#define ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX			(1<<8)
+#define ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED		(1<<9)
+#define ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED	(1<<10)
+#define ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET		(1<<11)
+#define ELINK_FEATURE_CONFIG_IEEE_PHY_TEST			(1<<12)
+#define ELINK_FEATURE_CONFIG_MT_SUPPORT			(1<<13)
+#define ELINK_FEATURE_CONFIG_BOOT_FROM_SAN			(1<<14)
+
+	/* Will be populated during common init */
+	struct elink_phy phy[ELINK_MAX_PHYS];
+
+	/* Will be populated during common init */
+	uint8_t num_phys;
+
+	uint8_t rsrv;
+
+	/* Used to configure the EEE Tx LPI timer, has several modes of
+	 * operation, according to bits 29:28 -
+	 * 2'b00: Timer will be configured by nvram, output will be the value
+	 *        from nvram.
+	 * 2'b01: Timer will be configured by nvram, output will be in
+	 *        microseconds.
+	 * 2'b10: bits 1:0 contain an nvram value which will be used instead
+	 *        of the one located in the nvram. Output will be that value.
+	 * 2'b11: bits 19:0 contain the idle timer in microseconds; output
+	 *        will be in microseconds.
+	 * Bits 31:30 should be 2'b11 in order for EEE to be enabled.
+	 */
+	uint32_t eee_mode;
+#define ELINK_EEE_MODE_NVRAM_BALANCED_TIME		(0xa00)
+#define ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME		(0x100)
+#define ELINK_EEE_MODE_NVRAM_LATENCY_TIME		(0x6000)
+#define ELINK_EEE_MODE_NVRAM_MASK		(0x3)
+#define ELINK_EEE_MODE_TIMER_MASK		(0xfffff)
+#define ELINK_EEE_MODE_OUTPUT_TIME		(1<<28)
+#define ELINK_EEE_MODE_OVERRIDE_NVRAM		(1<<29)
+#define ELINK_EEE_MODE_ENABLE_LPI		(1<<30)
+#define ELINK_EEE_MODE_ADV_LPI			(1<<31)
+
+	uint16_t hw_led_mode; /* part of the hw_config read from the shmem */
+	uint32_t multi_phy_config;
+
+	/* Device pointer passed to all callback functions */
+	struct bnx2x_softc *sc;
+	uint16_t req_fc_auto_adv; /* Should be set to TX / BOTH when
+				req_flow_ctrl is set to AUTO */
+	uint16_t link_flags;
+#define ELINK_LINK_FLAGS_INT_DISABLED		(1<<0)
+#define ELINK_PHY_INITIALIZED		(1<<1)
+	uint32_t lfa_base;
+};
+
+/* Output parameters */
+struct elink_vars {
+	uint8_t phy_flags;
+#define PHY_XGXS_FLAG			(1<<0)
+#define PHY_SGMII_FLAG			(1<<1)
+#define PHY_PHYSICAL_LINK_FLAG		(1<<2)
+#define PHY_HALF_OPEN_CONN_FLAG		(1<<3)
+#define PHY_OVER_CURRENT_FLAG		(1<<4)
+#define PHY_SFP_TX_FAULT_FLAG		(1<<5)
+
+	uint8_t mac_type;
+#define ELINK_MAC_TYPE_NONE		0
+#define ELINK_MAC_TYPE_EMAC		1
+#define ELINK_MAC_TYPE_BMAC		2
+#define ELINK_MAC_TYPE_UMAC		3
+#define ELINK_MAC_TYPE_XMAC		4
+
+	uint8_t phy_link_up; /* internal phy link indication */
+	uint8_t link_up;
+
+	uint16_t line_speed;
+	uint16_t duplex;
+
+	uint16_t flow_ctrl;
+	uint16_t ieee_fc;
+
+	/* The same definitions as the shmem parameter */
+	uint32_t link_status;
+	uint32_t eee_status;
+	uint8_t fault_detected;
+	uint8_t check_kr2_recovery_cnt;
+#define ELINK_CHECK_KR2_RECOVERY_CNT	5
+	uint16_t periodic_flags;
+#define ELINK_PERIODIC_FLAGS_LINK_EVENT	0x0001
+
+	uint32_t aeu_int_mask;
+	uint8_t rx_tx_asic_rst;
+	uint8_t turn_to_run_wc_rt;
+	uint16_t rsrv2;
+	/* The same definitions as the shmem2 parameter */
+	uint32_t link_attr_sync;
+};
+
+/***********************************************************/
+/*                         Functions                       */
+/***********************************************************/
+elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars);
+
+/* Reset the link. Should be called when driver or interface goes down
+   Before calling phy firmware upgrade, the reset_ext_phy should be set
+   to 0 */
+elink_status_t elink_lfa_reset(struct elink_params *params, struct elink_vars *vars);
+/* elink_link_update should be called upon link interrupt */
+elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars);
+
+/* Reads the link_status from the shmem,
+   and update the link vars accordingly */
+void elink_link_status_update(struct elink_params *input,
+			    struct elink_vars *output);
+
+/* Set/Unset the led
+   Basically, the CLC takes care of the led for the link, but in case one needs
+   to set/unset the led unnaturally, set the "mode" to ELINK_LED_MODE_OPER to
+   blink the led, and ELINK_LED_MODE_OFF to set the led off.*/
+elink_status_t elink_set_led(struct elink_params *params,
+		  struct elink_vars *vars, uint8_t mode, uint32_t speed);
+#define ELINK_LED_MODE_OFF			0
+#define ELINK_LED_MODE_ON			1
+#define ELINK_LED_MODE_OPER			2
+#define ELINK_LED_MODE_FRONT_PANEL_OFF	3
+
+/* elink_handle_module_detect_int should be called upon module detection
+   interrupt */
+void elink_handle_module_detect_int(struct elink_params *params);
+
+/* One-time initialization for external phy after power up */
+elink_status_t elink_common_init_phy(struct bnx2x_softc *sc, uint32_t shmem_base_path[],
+			  uint32_t shmem2_base_path[], uint32_t chip_id, uint8_t one_port_enabled);
+
+void elink_hw_reset_phy(struct elink_params *params);
+
+/* Check swap bit and adjust PHY order */
+uint32_t elink_phy_selection(struct elink_params *params);
+
+/* Probe the phys on board, and populate them in "params" */
+elink_status_t elink_phy_probe(struct elink_params *params);
+
+/* Checks if fan failure detection is required on one of the phys on board */
+uint8_t elink_fan_failure_det_req(struct bnx2x_softc *sc, uint32_t shmem_base,
+			     uint32_t shmem2_base, uint8_t port);
+
+/* Open / close the gate between the NIG and the BRB */
+void elink_set_rx_filter(struct elink_params *params, uint8_t en);
+
+/* DCBX structs */
+
+/* Number of maximum COS per chip */
+#define ELINK_DCBX_E2E3_MAX_NUM_COS		(2)
+#define ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0	(6)
+#define ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1	(3)
+#define ELINK_DCBX_E3B0_MAX_NUM_COS		( \
+			ELINK_MAXVAL(ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0, \
+			    ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1))
+
+#define ELINK_DCBX_MAX_NUM_COS			( \
+			ELINK_MAXVAL(ELINK_DCBX_E3B0_MAX_NUM_COS, \
+			    ELINK_DCBX_E2E3_MAX_NUM_COS))
+
+/* PFC port configuration params */
+struct elink_nig_brb_pfc_port_params {
+	/* NIG */
+	uint32_t pause_enable;
+	uint32_t llfc_out_en;
+	uint32_t llfc_enable;
+	uint32_t pkt_priority_to_cos;
+	uint8_t num_of_rx_cos_priority_mask;
+	uint32_t rx_cos_priority_mask[ELINK_DCBX_MAX_NUM_COS];
+	uint32_t llfc_high_priority_classes;
+	uint32_t llfc_low_priority_classes;
+};
+
+
+/* ETS port configuration params */
+struct elink_ets_bw_params {
+	uint8_t bw;
+};
+
+struct elink_ets_sp_params {
+	/**
+	 * valid values are 0 - 5. 0 is highest strict priority.
+	 * There can't be two COS's with the same pri.
+	 */
+	uint8_t pri;
+};
+
+enum elink_cos_state {
+	elink_cos_state_strict = 0,
+	elink_cos_state_bw = 1,
+};
+
+struct elink_ets_cos_params {
+	enum elink_cos_state state ;
+	union {
+		struct elink_ets_bw_params bw_params;
+		struct elink_ets_sp_params sp_params;
+	} params;
+};
+
+struct elink_ets_params {
+	uint8_t num_of_cos; /* Number of valid COS entries*/
+	struct elink_ets_cos_params cos[ELINK_DCBX_MAX_NUM_COS];
+};
+
+/* Used to update the PFC attributes in EMAC, BMAC, NIG and BRB
+ * when link is already up
+ */
+elink_status_t elink_update_pfc(struct elink_params *params,
+		      struct elink_vars *vars,
+		      struct elink_nig_brb_pfc_port_params *pfc_params);
+
+void elink_init_mod_abs_int(struct bnx2x_softc *sc, struct elink_vars *vars,
+			    uint32_t chip_id, uint32_t shmem_base, uint32_t shmem2_base,
+			    uint8_t port);
+
+void elink_period_func(struct elink_params *params, struct elink_vars *vars);
+
+void elink_enable_pmd_tx(struct elink_params *params);
+
+
+
+#endif /* ELINK_H */