Add the necessary MC API for the DPMAC object. These functions will be
used in the initial patch that adds the dpaa2-mac driver.

Signed-off-by: Ioana Ciornei <ioana.cior...@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h | 107 +++++++
 drivers/net/ethernet/freescale/dpaa2/dpmac.c     | 369 +++++++++++++++++++++++
 drivers/net/ethernet/freescale/dpaa2/dpmac.h     | 210 +++++++++++++
 3 files changed, 686 insertions(+)
 create mode 100644 drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
 create mode 100644 drivers/net/ethernet/freescale/dpaa2/dpmac.c
 create mode 100644 drivers/net/ethernet/freescale/dpaa2/dpmac.h

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h 
b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
new file mode 100644
index 000000000000..d35f05b32275
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2019 NXP
+ */
+#ifndef _FSL_DPMAC_CMD_H
+#define _FSL_DPMAC_CMD_H
+
+/* DPMAC Version */
+#define DPMAC_VER_MAJOR                                4
+#define DPMAC_VER_MINOR                                4
+#define DPMAC_CMD_BASE_VERSION                 1
+#define DPMAC_CMD_2ND_VERSION                  2
+#define DPMAC_CMD_ID_OFFSET                    4
+
+#define DPMAC_CMD(id)  (((id) << DPMAC_CMD_ID_OFFSET) | DPMAC_CMD_BASE_VERSION)
+#define DPMAC_CMD_V2(id) (((id) << DPMAC_CMD_ID_OFFSET) | 
DPMAC_CMD_2ND_VERSION)
+
+/* Command IDs */
+#define DPMAC_CMDID_CLOSE              DPMAC_CMD(0x800)
+#define DPMAC_CMDID_OPEN               DPMAC_CMD(0x80c)
+#define DPMAC_CMDID_GET_API_VERSION    DPMAC_CMD(0xa0c)
+
+#define DPMAC_CMDID_GET_ATTR           DPMAC_CMD(0x004)
+
+#define DPMAC_CMDID_SET_IRQ_ENABLE     DPMAC_CMD(0x012)
+#define DPMAC_CMDID_SET_IRQ_MASK       DPMAC_CMD(0x014)
+#define DPMAC_CMDID_GET_IRQ_STATUS     DPMAC_CMD(0x016)
+#define DPMAC_CMDID_CLEAR_IRQ_STATUS   DPMAC_CMD(0x017)
+
+#define DPMAC_CMDID_GET_LINK_CFG       DPMAC_CMD_V2(0x0c2)
+#define DPMAC_CMDID_SET_LINK_STATE     DPMAC_CMD_V2(0x0c3)
+
+/* Macros for accessing command fields smaller than 1byte */
+#define DPMAC_MASK(field)        \
+       GENMASK(DPMAC_##field##_SHIFT + DPMAC_##field##_SIZE - 1, \
+               DPMAC_##field##_SHIFT)
+
+#define dpmac_set_field(var, field, val) \
+       ((var) |= (((val) << DPMAC_##field##_SHIFT) & DPMAC_MASK(field)))
+#define dpmac_get_field(var, field)      \
+       (((var) & DPMAC_MASK(field)) >> DPMAC_##field##_SHIFT)
+
+struct dpmac_cmd_open {
+       __le32 dpmac_id;
+};
+
+struct dpmac_cmd_set_irq_enable {
+       u8 enable;
+       u8 pad[3];
+       u8 irq_index;
+};
+
+struct dpmac_cmd_set_irq_mask {
+       __le32 mask;
+       u8 irq_index;
+};
+
+struct dpmac_cmd_get_irq_status {
+       __le32 status;
+       u8 irq_index;
+};
+
+struct dpmac_rsp_get_irq_status {
+       __le32 status;
+};
+
+struct dpmac_cmd_clear_irq_status {
+       __le32 status;
+       u8 irq_index;
+};
+
+struct dpmac_rsp_get_attributes {
+       u8 eth_if;
+       u8 link_type;
+       __le16 id;
+       __le32 max_rate;
+};
+
+struct dpmac_rsp_get_link_cfg {
+       __le64 options;
+       __le32 rate;
+       __le32 pad;
+       __le64 advertising;
+};
+
+#define DPMAC_STATE_SIZE       1
+#define DPMAC_STATE_SHIFT      0
+#define DPMAC_STATE_VALID_SIZE 1
+#define DPMAC_STATE_VALID_SHIFT        1
+
+struct dpmac_cmd_set_link_state {
+       __le64 options;
+       __le32 rate;
+       __le32 pad0;
+       /* from lsb: up:1, state_valid:1 */
+       u8 state;
+       u8 pad1[7];
+       __le64 supported;
+       __le64 advertising;
+};
+
+struct dpmac_rsp_get_api_version {
+       __le16 major;
+       __le16 minor;
+};
+
+#endif /* _FSL_DPMAC_CMD_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.c 
b/drivers/net/ethernet/freescale/dpaa2/dpmac.c
new file mode 100644
index 000000000000..b45a4bd60efc
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.c
@@ -0,0 +1,369 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2019 NXP
+ */
+#include <linux/fsl/mc.h>
+#include "dpmac.h"
+#include "dpmac-cmd.h"
+
+/**
+ * dpmac_open() - Open a control session for the specified object.
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @dpmac_id:  DPMAC unique ID
+ * @token:     Returned token; use in subsequent API calls
+ *
+ * This function can be used to open a control session for an
+ * already created object; an object may have been declared in
+ * the DPL or by calling the dpmac_create function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent commands for
+ * this specific object
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_open(struct fsl_mc_io *mc_io,
+              u32 cmd_flags,
+              int dpmac_id,
+              u16 *token)
+{
+       struct dpmac_cmd_open *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+       int err;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_OPEN,
+                                         cmd_flags,
+                                         0);
+       cmd_params = (struct dpmac_cmd_open *)cmd.params;
+       cmd_params->dpmac_id = cpu_to_le32(dpmac_id);
+
+       /* send command to mc*/
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       /* retrieve response parameters */
+       *token = mc_cmd_hdr_read_token(&cmd);
+
+       return err;
+}
+
+/**
+ * dpmac_close() - Close the control session of the object
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPMAC object
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_close(struct fsl_mc_io *mc_io,
+               u32 cmd_flags,
+               u16 token)
+{
+       struct fsl_mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_CLOSE, cmd_flags,
+                                         token);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpmac_set_irq_enable() - Set overall interrupt state.
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPMAC object
+ * @irq_index: The interrupt index to configure
+ * @en:                Interrupt state - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes.  The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_set_irq_enable(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        u8 irq_index,
+                        u8 en)
+{
+       struct dpmac_cmd_set_irq_enable *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_IRQ_ENABLE,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpmac_cmd_set_irq_enable *)cmd.params;
+       cmd_params->irq_index = irq_index;
+       cmd_params->enable = en;
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpmac_set_irq_mask() - Set interrupt mask.
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPMAC object
+ * @irq_index: The interrupt index to configure
+ * @mask:      Event mask to trigger interrupt;
+ *             each bit:
+ *                     0 = ignore event
+ *                     1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_set_irq_mask(struct fsl_mc_io *mc_io,
+                      u32 cmd_flags,
+                      u16 token,
+                      u8 irq_index,
+                      u32 mask)
+{
+       struct dpmac_cmd_set_irq_mask *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_IRQ_MASK,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpmac_cmd_set_irq_mask *)cmd.params;
+       cmd_params->mask = cpu_to_le32(mask);
+       cmd_params->irq_index = irq_index;
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpmac_get_irq_status() - Get the current status of any pending interrupts.
+ *
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPMAC object
+ * @irq_index: The interrupt index to configure
+ * @status:    Returned interrupts status - one bit per cause:
+ *                     0 = no interrupt pending
+ *                     1 = interrupt pending
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_get_irq_status(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        u8 irq_index,
+                        u32 *status)
+{
+       struct dpmac_cmd_get_irq_status *cmd_params;
+       struct dpmac_rsp_get_irq_status *rsp_params;
+       struct fsl_mc_command cmd = { 0 };
+       int err;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_IRQ_STATUS,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpmac_cmd_get_irq_status *)cmd.params;
+       cmd_params->status = cpu_to_le32(*status);
+       cmd_params->irq_index = irq_index;
+
+       /* send command to mc*/
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       /* retrieve response parameters */
+       rsp_params = (struct dpmac_rsp_get_irq_status *)cmd.params;
+       *status = le32_to_cpu(rsp_params->status);
+
+       return 0;
+}
+
+/**
+ * dpmac_clear_irq_status() - Clear a pending interrupt's status
+ *
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPMAC object
+ * @irq_index: The interrupt index to configure
+ * @status:    Bits to clear (W1C) - one bit per cause:
+ *                     0 = don't change
+ *                     1 = clear status bit
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_clear_irq_status(struct fsl_mc_io *mc_io,
+                          u32 cmd_flags,
+                          u16 token,
+                          u8 irq_index,
+                          u32 status)
+{
+       struct dpmac_cmd_clear_irq_status *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_CLEAR_IRQ_STATUS,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpmac_cmd_clear_irq_status *)cmd.params;
+       cmd_params->status = cpu_to_le32(status);
+       cmd_params->irq_index = irq_index;
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpmac_get_attributes - Retrieve DPMAC attributes.
+ *
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPMAC object
+ * @attr:      Returned object's attributes
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpmac_get_attributes(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        struct dpmac_attr *attr)
+{
+       struct dpmac_rsp_get_attributes *rsp_params;
+       struct fsl_mc_command cmd = { 0 };
+       int err;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_ATTR,
+                                         cmd_flags,
+                                         token);
+
+       /* send command to mc*/
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       /* retrieve response parameters */
+       rsp_params = (struct dpmac_rsp_get_attributes *)cmd.params;
+       attr->eth_if = rsp_params->eth_if;
+       attr->link_type = rsp_params->link_type;
+       attr->id = le16_to_cpu(rsp_params->id);
+       attr->max_rate = le32_to_cpu(rsp_params->max_rate);
+
+       return 0;
+}
+
+/**
+ * dpmac_get_link_cfg() - Get Ethernet link configuration
+ * @mc_io:      Pointer to opaque I/O object
+ * @cmd_flags:  Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:      Token of DPMAC object
+ * @cfg:        Returned structure with the link configuration
+ *
+ * Return:      '0' on Success; Error code otherwise.
+ */
+int dpmac_get_link_cfg(struct fsl_mc_io *mc_io,
+                      u32 cmd_flags,
+                      u16 token,
+                      struct dpmac_link_cfg *cfg)
+{
+       struct dpmac_rsp_get_link_cfg *rsp_params;
+       struct fsl_mc_command cmd = { 0 };
+       int err = 0;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_LINK_CFG,
+                                         cmd_flags,
+                                         token);
+
+       /* send command to mc*/
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       rsp_params = (struct dpmac_rsp_get_link_cfg *)cmd.params;
+       cfg->options = le64_to_cpu(rsp_params->options);
+       cfg->rate = le32_to_cpu(rsp_params->rate);
+       cfg->advertising = le64_to_cpu(rsp_params->advertising);
+
+       return 0;
+}
+
+/**
+ * dpmac_set_link_state() - Set the Ethernet link status
+ * @mc_io:      Pointer to opaque I/O object
+ * @cmd_flags:  Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:      Token of DPMAC object
+ * @link_state: Link state configuration
+ *
+ * Return:      '0' on Success; Error code otherwise.
+ */
+int dpmac_set_link_state(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        struct dpmac_link_state *link_state)
+{
+       struct dpmac_cmd_set_link_state *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_LINK_STATE,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpmac_cmd_set_link_state *)cmd.params;
+       cmd_params->options = cpu_to_le64(link_state->options);
+       cmd_params->rate = cpu_to_le32(link_state->rate);
+       dpmac_set_field(cmd_params->state, STATE, link_state->up);
+       dpmac_set_field(cmd_params->state, STATE_VALID,
+                       link_state->state_valid);
+       cmd_params->supported = cpu_to_le64(link_state->supported);
+       cmd_params->advertising = cpu_to_le64(link_state->advertising);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpmac_get_api_version() - Get Data Path MAC version
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @major_ver: Major version of data path mac API
+ * @minor_ver: Minor version of data path mac API
+ *
+ * Return:  '0' on Success; Error code otherwise.
+ */
+int dpmac_get_api_version(struct fsl_mc_io *mc_io,
+                         u32 cmd_flags,
+                         u16 *major_ver,
+                         u16 *minor_ver)
+{
+       struct dpmac_rsp_get_api_version *rsp_params;
+       struct fsl_mc_command cmd = { 0 };
+       int err;
+
+       cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_API_VERSION,
+                                         cmd_flags,
+                                         0);
+
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       rsp_params = (struct dpmac_rsp_get_api_version *)cmd.params;
+       *major_ver = le16_to_cpu(rsp_params->major);
+       *minor_ver = le16_to_cpu(rsp_params->minor);
+
+       return 0;
+}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.h 
b/drivers/net/ethernet/freescale/dpaa2/dpmac.h
new file mode 100644
index 000000000000..de807547321c
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.h
@@ -0,0 +1,210 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2019 NXP
+ */
+#ifndef __FSL_DPMAC_H
+#define __FSL_DPMAC_H
+
+/* Data Path MAC API
+ * Contains initialization APIs and runtime control APIs for DPMAC
+ */
+
+struct fsl_mc_io;
+
+int dpmac_open(struct fsl_mc_io *mc_io,
+              u32 cmd_flags,
+              int dpmac_id,
+              u16 *token);
+
+int dpmac_close(struct fsl_mc_io *mc_io,
+               u32 cmd_flags,
+               u16 token);
+
+/**
+ * enum dpmac_link_type -  DPMAC link type
+ * @DPMAC_LINK_TYPE_NONE: No link
+ * @DPMAC_LINK_TYPE_FIXED: Link is fixed type
+ * @DPMAC_LINK_TYPE_PHY: Link by PHY ID
+ * @DPMAC_LINK_TYPE_BACKPLANE: Backplane link type
+ */
+enum dpmac_link_type {
+       DPMAC_LINK_TYPE_NONE,
+       DPMAC_LINK_TYPE_FIXED,
+       DPMAC_LINK_TYPE_PHY,
+       DPMAC_LINK_TYPE_BACKPLANE
+};
+
+/**
+ * enum dpmac_eth_if - DPMAC Ethrnet interface
+ * @DPMAC_ETH_IF_MII: MII interface
+ * @DPMAC_ETH_IF_RMII: RMII interface
+ * @DPMAC_ETH_IF_SMII: SMII interface
+ * @DPMAC_ETH_IF_GMII: GMII interface
+ * @DPMAC_ETH_IF_RGMII: RGMII interface
+ * @DPMAC_ETH_IF_SGMII: SGMII interface
+ * @DPMAC_ETH_IF_QSGMII: QSGMII interface
+ * @DPMAC_ETH_IF_XAUI: XAUI interface
+ * @DPMAC_ETH_IF_XFI: XFI interface
+ * @DPMAC_ETH_IF_CAUI: CAUI interface
+ * @DPMAC_ETH_IF_1000BASEX: 1000BASEX interface
+ * @DPMAC_ETH_IF_USXGMII: USXGMII interface
+ */
+enum dpmac_eth_if {
+       DPMAC_ETH_IF_MII,
+       DPMAC_ETH_IF_RMII,
+       DPMAC_ETH_IF_SMII,
+       DPMAC_ETH_IF_GMII,
+       DPMAC_ETH_IF_RGMII,
+       DPMAC_ETH_IF_SGMII,
+       DPMAC_ETH_IF_QSGMII,
+       DPMAC_ETH_IF_XAUI,
+       DPMAC_ETH_IF_XFI,
+       DPMAC_ETH_IF_CAUI,
+       DPMAC_ETH_IF_1000BASEX,
+       DPMAC_ETH_IF_USXGMII,
+};
+
+/**
+ * DPMAC IRQ Index and Events
+ */
+
+/**
+ * IRQ index
+ */
+#define DPMAC_IRQ_INDEX                                0
+/**
+ * IRQ event - indicates a change in link state
+ */
+#define DPMAC_IRQ_EVENT_LINK_CFG_REQ           0x00000001
+/**
+ * IRQ event - Indicates that the link state changed
+ */
+#define DPMAC_IRQ_EVENT_LINK_CHANGED           0x00000002
+
+#define DPMAC_IRQ_EVENT_LINK_UP_REQ            0x00000004
+#define DPMAC_IRQ_EVENT_LINK_DOWN_REQ          0x00000008
+
+int dpmac_set_irq_enable(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        u8 irq_index,
+                        u8 en);
+
+int dpmac_set_irq_mask(struct fsl_mc_io *mc_io,
+                      u32 cmd_flags,
+                      u16 token,
+                      u8 irq_index,
+                      u32 mask);
+
+int dpmac_get_irq_status(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        u8 irq_index,
+                        u32 *status);
+
+int dpmac_clear_irq_status(struct fsl_mc_io *mc_io,
+                          u32 cmd_flags,
+                          u16 token,
+                          u8 irq_index,
+                          u32 status);
+
+/**
+ * struct dpmac_attr - Structure representing DPMAC attributes
+ * @id:                DPMAC object ID
+ * @max_rate:  Maximum supported rate - in Mbps
+ * @eth_if:    Ethernet interface
+ * @link_type: link type
+ */
+struct dpmac_attr {
+       u16 id;
+       u32 max_rate;
+       enum dpmac_eth_if eth_if;
+       enum dpmac_link_type link_type;
+};
+
+int dpmac_get_attributes(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        struct dpmac_attr *attr);
+
+/**
+ * DPMAC link configuration/state options
+ */
+
+/**
+ * Enable auto-negotiation
+ */
+#define DPMAC_LINK_OPT_AUTONEG                 BIT_ULL(0)
+/**
+ * Enable half-duplex mode
+ */
+#define DPMAC_LINK_OPT_HALF_DUPLEX             BIT_ULL(1)
+/**
+ * Enable pause frames
+ */
+#define DPMAC_LINK_OPT_PAUSE                   BIT_ULL(2)
+/**
+ * Enable a-symmetric pause frames
+ */
+#define DPMAC_LINK_OPT_ASYM_PAUSE              BIT_ULL(3)
+
+/**
+ * Advertised link speeds
+ */
+#define DPMAC_ADVERTISED_10BASET_FULL          BIT_ULL(0)
+#define DPMAC_ADVERTISED_100BASET_FULL         BIT_ULL(1)
+#define DPMAC_ADVERTISED_1000BASET_FULL                BIT_ULL(2)
+#define DPMAC_ADVERTISED_10000BASET_FULL       BIT_ULL(4)
+#define DPMAC_ADVERTISED_2500BASEX_FULL                BIT_ULL(5)
+
+/**
+ * Advertise auto-negotiation enable
+ */
+#define DPMAC_ADVERTISED_AUTONEG               BIT_ULL(3)
+
+/**
+ * struct dpmac_link_cfg - Structure representing DPMAC link configuration
+ * @rate: Link's rate - in Mbps
+ * @options: Enable/Disable DPMAC link cfg features (bitmap)
+ * @advertising: Speeds that are advertised for autoneg (bitmap)
+ */
+struct dpmac_link_cfg {
+       u32 rate;
+       u64 options;
+       u64 advertising;
+};
+
+int dpmac_get_link_cfg(struct fsl_mc_io *mc_io,
+                      u32 cmd_flags,
+                      u16 token,
+                      struct dpmac_link_cfg *cfg);
+
+/**
+ * struct dpmac_link_state - DPMAC link configuration request
+ * @rate: Rate in Mbps
+ * @options: Enable/Disable DPMAC link cfg features (bitmap)
+ * @up: Link state
+ * @state_valid: Ignore/Update the state of the link
+ * @supported: Speeds capability of the phy (bitmap)
+ * @advertising: Speeds that are advertised for autoneg (bitmap)
+ */
+struct dpmac_link_state {
+       u32 rate;
+       u64 options;
+       int up;
+       int state_valid;
+       u64 supported;
+       u64 advertising;
+};
+
+int dpmac_set_link_state(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        struct dpmac_link_state *link_state);
+
+int dpmac_get_api_version(struct fsl_mc_io *mc_io,
+                         u32 cmd_flags,
+                         u16 *major_ver,
+                         u16 *minor_ver);
+
+#endif /* __FSL_DPMAC_H */
-- 
1.9.1

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