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openwrt/target/linux/layerscape/patches-4.14/706-dpaa2-virtualbridge-sup...

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From 278c2ebd8f04e2b05c87187a3e8b6af552abd57f Mon Sep 17 00:00:00 2001
From: Biwen Li <biwen.li@nxp.com>
Date: Thu, 13 Dec 2018 13:27:22 +0800
Subject: [PATCH] dpaa2-virtualbridge: support layerscape
This is an integrated patch of dpaa2-virtualbridge for layerscape
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---
drivers/staging/fsl-dpaa2/evb/Kconfig | 7 +
drivers/staging/fsl-dpaa2/evb/Makefile | 10 +
drivers/staging/fsl-dpaa2/evb/dpdmux-cmd.h | 279 ++++
drivers/staging/fsl-dpaa2/evb/dpdmux.c | 1111 ++++++++++++++++
drivers/staging/fsl-dpaa2/evb/dpdmux.h | 453 +++++++
drivers/staging/fsl-dpaa2/evb/evb.c | 1353 ++++++++++++++++++++
6 files changed, 3213 insertions(+)
create mode 100644 drivers/staging/fsl-dpaa2/evb/Kconfig
create mode 100644 drivers/staging/fsl-dpaa2/evb/Makefile
create mode 100644 drivers/staging/fsl-dpaa2/evb/dpdmux-cmd.h
create mode 100644 drivers/staging/fsl-dpaa2/evb/dpdmux.c
create mode 100644 drivers/staging/fsl-dpaa2/evb/dpdmux.h
create mode 100644 drivers/staging/fsl-dpaa2/evb/evb.c
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/Kconfig
@@ -0,0 +1,7 @@
+config FSL_DPAA2_EVB
+ tristate "DPAA2 Edge Virtual Bridge"
+ depends on FSL_MC_BUS && FSL_DPAA2
+ select VLAN_8021Q
+ default y
+ ---help---
+ Prototype driver for DPAA2 Edge Virtual Bridge.
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/Makefile
@@ -0,0 +1,10 @@
+
+obj-$(CONFIG_FSL_DPAA2_EVB) += dpaa2-evb.o
+
+dpaa2-evb-objs := evb.o dpdmux.o
+
+all:
+ make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
+
+clean:
+ make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/dpdmux-cmd.h
@@ -0,0 +1,279 @@
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _FSL_DPDMUX_CMD_H
+#define _FSL_DPDMUX_CMD_H
+
+/* DPDMUX Version */
+#define DPDMUX_VER_MAJOR 6
+#define DPDMUX_VER_MINOR 1
+
+#define DPDMUX_CMD_BASE_VER 1
+#define DPDMUX_CMD_ID_OFFSET 4
+
+#define DPDMUX_CMD(id) (((id) << DPDMUX_CMD_ID_OFFSET) | DPDMUX_CMD_BASE_VER)
+
+/* Command IDs */
+#define DPDMUX_CMDID_CLOSE DPDMUX_CMD(0x800)
+#define DPDMUX_CMDID_OPEN DPDMUX_CMD(0x806)
+#define DPDMUX_CMDID_CREATE DPDMUX_CMD(0x906)
+#define DPDMUX_CMDID_DESTROY DPDMUX_CMD(0x986)
+#define DPDMUX_CMDID_GET_API_VERSION DPDMUX_CMD(0xa06)
+
+#define DPDMUX_CMDID_ENABLE DPDMUX_CMD(0x002)
+#define DPDMUX_CMDID_DISABLE DPDMUX_CMD(0x003)
+#define DPDMUX_CMDID_GET_ATTR DPDMUX_CMD(0x004)
+#define DPDMUX_CMDID_RESET DPDMUX_CMD(0x005)
+#define DPDMUX_CMDID_IS_ENABLED DPDMUX_CMD(0x006)
+
+#define DPDMUX_CMDID_SET_IRQ_ENABLE DPDMUX_CMD(0x012)
+#define DPDMUX_CMDID_GET_IRQ_ENABLE DPDMUX_CMD(0x013)
+#define DPDMUX_CMDID_SET_IRQ_MASK DPDMUX_CMD(0x014)
+#define DPDMUX_CMDID_GET_IRQ_MASK DPDMUX_CMD(0x015)
+#define DPDMUX_CMDID_GET_IRQ_STATUS DPDMUX_CMD(0x016)
+#define DPDMUX_CMDID_CLEAR_IRQ_STATUS DPDMUX_CMD(0x017)
+
+#define DPDMUX_CMDID_SET_MAX_FRAME_LENGTH DPDMUX_CMD(0x0a1)
+
+#define DPDMUX_CMDID_UL_RESET_COUNTERS DPDMUX_CMD(0x0a3)
+
+#define DPDMUX_CMDID_IF_SET_ACCEPTED_FRAMES DPDMUX_CMD(0x0a7)
+#define DPDMUX_CMDID_IF_GET_ATTR DPDMUX_CMD(0x0a8)
+#define DPDMUX_CMDID_IF_ENABLE DPDMUX_CMD(0x0a9)
+#define DPDMUX_CMDID_IF_DISABLE DPDMUX_CMD(0x0aa)
+
+#define DPDMUX_CMDID_IF_ADD_L2_RULE DPDMUX_CMD(0x0b0)
+#define DPDMUX_CMDID_IF_REMOVE_L2_RULE DPDMUX_CMD(0x0b1)
+#define DPDMUX_CMDID_IF_GET_COUNTER DPDMUX_CMD(0x0b2)
+#define DPDMUX_CMDID_IF_SET_LINK_CFG DPDMUX_CMD(0x0b3)
+#define DPDMUX_CMDID_IF_GET_LINK_STATE DPDMUX_CMD(0x0b4)
+
+#define DPDMUX_CMDID_SET_CUSTOM_KEY DPDMUX_CMD(0x0b5)
+#define DPDMUX_CMDID_ADD_CUSTOM_CLS_ENTRY DPDMUX_CMD(0x0b6)
+#define DPDMUX_CMDID_REMOVE_CUSTOM_CLS_ENTRY DPDMUX_CMD(0x0b7)
+
+#define DPDMUX_MASK(field) \
+ GENMASK(DPDMUX_##field##_SHIFT + DPDMUX_##field##_SIZE - 1, \
+ DPDMUX_##field##_SHIFT)
+#define dpdmux_set_field(var, field, val) \
+ ((var) |= (((val) << DPDMUX_##field##_SHIFT) & DPDMUX_MASK(field)))
+#define dpdmux_get_field(var, field) \
+ (((var) & DPDMUX_MASK(field)) >> DPDMUX_##field##_SHIFT)
+
+struct dpdmux_cmd_open {
+ u32 dpdmux_id;
+};
+
+struct dpdmux_cmd_create {
+ u8 method;
+ u8 manip;
+ u16 num_ifs;
+ u32 pad;
+
+ u16 adv_max_dmat_entries;
+ u16 adv_max_mc_groups;
+ u16 adv_max_vlan_ids;
+ u16 pad1;
+
+ u64 options;
+};
+
+struct dpdmux_cmd_destroy {
+ u32 dpdmux_id;
+};
+
+#define DPDMUX_ENABLE_SHIFT 0
+#define DPDMUX_ENABLE_SIZE 1
+
+struct dpdmux_rsp_is_enabled {
+ u8 en;
+};
+
+struct dpdmux_cmd_set_irq_enable {
+ u8 enable;
+ u8 pad[3];
+ u8 irq_index;
+};
+
+struct dpdmux_cmd_get_irq_enable {
+ u32 pad;
+ u8 irq_index;
+};
+
+struct dpdmux_rsp_get_irq_enable {
+ u8 enable;
+};
+
+struct dpdmux_cmd_set_irq_mask {
+ u32 mask;
+ u8 irq_index;
+};
+
+struct dpdmux_cmd_get_irq_mask {
+ u32 pad;
+ u8 irq_index;
+};
+
+struct dpdmux_rsp_get_irq_mask {
+ u32 mask;
+};
+
+struct dpdmux_cmd_get_irq_status {
+ u32 status;
+ u8 irq_index;
+};
+
+struct dpdmux_rsp_get_irq_status {
+ u32 status;
+};
+
+struct dpdmux_cmd_clear_irq_status {
+ u32 status;
+ u8 irq_index;
+};
+
+struct dpdmux_rsp_get_attr {
+ u8 method;
+ u8 manip;
+ u16 num_ifs;
+ u16 mem_size;
+ u16 pad;
+
+ u64 pad1;
+
+ u32 id;
+ u32 pad2;
+
+ u64 options;
+};
+
+struct dpdmux_cmd_set_max_frame_length {
+ u16 max_frame_length;
+};
+
+#define DPDMUX_ACCEPTED_FRAMES_TYPE_SHIFT 0
+#define DPDMUX_ACCEPTED_FRAMES_TYPE_SIZE 4
+#define DPDMUX_UNACCEPTED_FRAMES_ACTION_SHIFT 4
+#define DPDMUX_UNACCEPTED_FRAMES_ACTION_SIZE 4
+
+struct dpdmux_cmd_if_set_accepted_frames {
+ u16 if_id;
+ u8 frames_options;
+};
+
+struct dpdmux_cmd_if {
+ u16 if_id;
+};
+
+struct dpdmux_rsp_if_get_attr {
+ u8 pad[3];
+ u8 enabled;
+ u8 pad1[3];
+ u8 accepted_frames_type;
+ u32 rate;
+};
+
+struct dpdmux_cmd_if_l2_rule {
+ u16 if_id;
+ u8 mac_addr5;
+ u8 mac_addr4;
+ u8 mac_addr3;
+ u8 mac_addr2;
+ u8 mac_addr1;
+ u8 mac_addr0;
+
+ u32 pad;
+ u16 vlan_id;
+};
+
+struct dpdmux_cmd_if_get_counter {
+ u16 if_id;
+ u8 counter_type;
+};
+
+struct dpdmux_rsp_if_get_counter {
+ u64 pad;
+ u64 counter;
+};
+
+struct dpdmux_cmd_if_set_link_cfg {
+ u16 if_id;
+ u16 pad[3];
+
+ u32 rate;
+ u32 pad1;
+
+ u64 options;
+};
+
+struct dpdmux_cmd_if_get_link_state {
+ u16 if_id;
+};
+
+struct dpdmux_rsp_if_get_link_state {
+ u32 pad;
+ u8 up;
+ u8 pad1[3];
+
+ u32 rate;
+ u32 pad2;
+
+ u64 options;
+};
+
+struct dpdmux_rsp_get_api_version {
+ u16 major;
+ u16 minor;
+};
+
+struct dpdmux_set_custom_key {
+ u64 pad[6];
+ u64 key_cfg_iova;
+};
+
+struct dpdmux_cmd_add_custom_cls_entry {
+ u8 pad[3];
+ u8 key_size;
+ u16 pad1;
+ u16 dest_if;
+ u64 key_iova;
+ u64 mask_iova;
+};
+
+struct dpdmux_cmd_remove_custom_cls_entry {
+ u8 pad[3];
+ u8 key_size;
+ u32 pad1;
+ u64 key_iova;
+ u64 mask_iova;
+};
+
+#endif /* _FSL_DPDMUX_CMD_H */
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/dpdmux.c
@@ -0,0 +1,1111 @@
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <linux/fsl/mc.h>
+#include "dpdmux.h"
+#include "dpdmux-cmd.h"
+
+/**
+ * dpdmux_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_'
+ * @dpdmux_id: DPDMUX 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 dpdmux_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 dpdmux_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dpdmux_id,
+ u16 *token)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_open *cmd_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_OPEN,
+ cmd_flags,
+ 0);
+ cmd_params = (struct dpdmux_cmd_open *)cmd.params;
+ cmd_params->dpdmux_id = cpu_to_le32(dpdmux_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 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_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(DPDMUX_CMDID_CLOSE,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_create() - Create the DPDMUX object
+ * @mc_io: Pointer to MC portal's I/O object
+ * @dprc_token: Parent container token; '0' for default container
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg: Configuration structure
+ * @obj_id: returned object id
+ *
+ * Create the DPDMUX object, allocate required resources and
+ * perform required initialization.
+ *
+ * The object can be created either by declaring it in the
+ * DPL file, or by calling this function.
+ *
+ * The function accepts an authentication token of a parent
+ * container that this object should be assigned to. The token
+ * can be '0' so the object will be assigned to the default container.
+ * The newly created object can be opened with the returned
+ * object id and using the container's associated tokens and MC portals.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_create(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ const struct dpdmux_cfg *cfg,
+ u32 *obj_id)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_create *cmd_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_CREATE,
+ cmd_flags,
+ dprc_token);
+ cmd_params = (struct dpdmux_cmd_create *)cmd.params;
+ cmd_params->method = cfg->method;
+ cmd_params->manip = cfg->manip;
+ cmd_params->num_ifs = cpu_to_le16(cfg->num_ifs);
+ cmd_params->adv_max_dmat_entries =
+ cpu_to_le16(cfg->adv.max_dmat_entries);
+ cmd_params->adv_max_mc_groups = cpu_to_le16(cfg->adv.max_mc_groups);
+ cmd_params->adv_max_vlan_ids = cpu_to_le16(cfg->adv.max_vlan_ids);
+ cmd_params->options = cpu_to_le64(cfg->adv.options);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ *obj_id = mc_cmd_hdr_read_token(&cmd);
+
+ return 0;
+}
+
+/**
+ * dpdmux_destroy() - Destroy the DPDMUX object and release all its resources.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @dprc_token: Parent container token; '0' for default container
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @object_id: The object id; it must be a valid id within the container that
+ * created this object;
+ *
+ * The function accepts the authentication token of the parent container that
+ * created the object (not the one that currently owns the object). The object
+ * is searched within parent using the provided 'object_id'.
+ * All tokens to the object must be closed before calling destroy.
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
+int dpdmux_destroy(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ u32 object_id)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_destroy *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_DESTROY,
+ cmd_flags,
+ dprc_token);
+ cmd_params = (struct dpdmux_cmd_destroy *)cmd.params;
+ cmd_params->dpdmux_id = cpu_to_le32(object_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_enable() - Enable DPDMUX functionality
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_enable(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(DPDMUX_CMDID_ENABLE,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_disable() - Disable DPDMUX functionality
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_disable(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(DPDMUX_CMDID_DISABLE,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_is_enabled() - Check if the DPDMUX is enabled.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @en: Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_is_enabled(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *en)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_rsp_is_enabled *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IS_ENABLED,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_is_enabled *)cmd.params;
+ *en = dpdmux_get_field(rsp_params->en, ENABLE);
+
+ return 0;
+}
+
+/**
+ * dpdmux_reset() - Reset the DPDMUX, returns the object to initial 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 DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_reset(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(DPDMUX_CMDID_RESET,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_set_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_set_irq_enable *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_set_irq_enable *)cmd.params;
+ cmd_params->enable = en;
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_get_irq_enable() - Get 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 DPDMUX object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_get_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_get_irq_enable *cmd_params;
+ struct dpdmux_rsp_get_irq_enable *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_get_irq_enable *)cmd.params;
+ 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 dpdmux_rsp_get_irq_enable *)cmd.params;
+ *en = rsp_params->enable;
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_set_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_set_irq_mask *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_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);
+}
+
+/**
+ * dpdmux_get_irq_mask() - Get 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 DPDMUX object
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
+ *
+ * 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 dpdmux_get_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_get_irq_mask *cmd_params;
+ struct dpdmux_rsp_get_irq_mask *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_get_irq_mask *)cmd.params;
+ 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 dpdmux_rsp_get_irq_mask *)cmd.params;
+ *mask = le32_to_cpu(rsp_params->mask);
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_get_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_get_irq_status *cmd_params;
+ struct dpdmux_rsp_get_irq_status *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_IRQ_STATUS,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_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 dpdmux_rsp_get_irq_status *)cmd.params;
+ *status = le32_to_cpu(rsp_params->status);
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_clear_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_clear_irq_status *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_CLEAR_IRQ_STATUS,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_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);
+}
+
+/**
+ * dpdmux_get_attributes() - Retrieve DPDMUX 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 DPDMUX object
+ * @attr: Returned object's attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_attr *attr)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_rsp_get_attr *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_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 dpdmux_rsp_get_attr *)cmd.params;
+ attr->id = le32_to_cpu(rsp_params->id);
+ attr->options = le64_to_cpu(rsp_params->options);
+ attr->method = rsp_params->method;
+ attr->manip = rsp_params->manip;
+ attr->num_ifs = le16_to_cpu(rsp_params->num_ifs);
+ attr->mem_size = le16_to_cpu(rsp_params->mem_size);
+
+ return 0;
+}
+
+/**
+ * dpdmux_if_enable() - Enable Interface
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface Identifier
+ *
+ * Return: Completion status. '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id)
+{
+ struct dpdmux_cmd_if *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_disable() - Disable Interface
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface Identifier
+ *
+ * Return: Completion status. '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id)
+{
+ struct dpdmux_cmd_if *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_DISABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_set_max_frame_length() - Set the maximum frame length in DPDMUX
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @max_frame_length: The required maximum frame length
+ *
+ * Update the maximum frame length on all DMUX interfaces.
+ * In case of VEPA, the maximum frame length on all dmux interfaces
+ * will be updated with the minimum value of the mfls of the connected
+ * dpnis and the actual value of dmux mfl.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_set_max_frame_length(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 max_frame_length)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_set_max_frame_length *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_MAX_FRAME_LENGTH,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_set_max_frame_length *)cmd.params;
+ cmd_params->max_frame_length = cpu_to_le16(max_frame_length);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_ul_reset_counters() - Function resets the uplink counter
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_ul_reset_counters(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(DPDMUX_CMDID_UL_RESET_COUNTERS,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_set_accepted_frames() - Set the accepted frame types
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface ID (0 for uplink, or 1-num_ifs);
+ * @cfg: Frame types configuration
+ *
+ * if 'DPDMUX_ADMIT_ONLY_VLAN_TAGGED' is set - untagged frames or
+ * priority-tagged frames are discarded.
+ * if 'DPDMUX_ADMIT_ONLY_UNTAGGED' is set - untagged frames or
+ * priority-tagged frames are accepted.
+ * if 'DPDMUX_ADMIT_ALL' is set (default mode) - all VLAN tagged,
+ * untagged and priority-tagged frame are accepted;
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_set_accepted_frames(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_accepted_frames *cfg)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_set_accepted_frames *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_SET_ACCEPTED_FRAMES,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_set_accepted_frames *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ dpdmux_set_field(cmd_params->frames_options, ACCEPTED_FRAMES_TYPE,
+ cfg->type);
+ dpdmux_set_field(cmd_params->frames_options, UNACCEPTED_FRAMES_ACTION,
+ cfg->unaccept_act);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_get_attributes() - Obtain DPDMUX interface 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 DPDMUX object
+ * @if_id: Interface ID (0 for uplink, or 1-num_ifs);
+ * @attr: Interface attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_if_attr *attr)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if *cmd_params;
+ struct dpdmux_rsp_if_get_attr *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_GET_ATTR,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_if_get_attr *)cmd.params;
+ attr->rate = le32_to_cpu(rsp_params->rate);
+ attr->enabled = dpdmux_get_field(rsp_params->enabled, ENABLE);
+ attr->accept_frame_type =
+ dpdmux_get_field(rsp_params->accepted_frames_type,
+ ACCEPTED_FRAMES_TYPE);
+
+ return 0;
+}
+
+/**
+ * dpdmux_if_remove_l2_rule() - Remove L2 rule from DPDMUX table
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Destination interface ID
+ * @rule: L2 rule
+ *
+ * Function removes a L2 rule from DPDMUX table
+ * or adds an interface to an existing multicast address
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_remove_l2_rule(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_l2_rule *rule)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_l2_rule *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_REMOVE_L2_RULE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_l2_rule *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->vlan_id = cpu_to_le16(rule->vlan_id);
+ cmd_params->mac_addr5 = rule->mac_addr[5];
+ cmd_params->mac_addr4 = rule->mac_addr[4];
+ cmd_params->mac_addr3 = rule->mac_addr[3];
+ cmd_params->mac_addr2 = rule->mac_addr[2];
+ cmd_params->mac_addr1 = rule->mac_addr[1];
+ cmd_params->mac_addr0 = rule->mac_addr[0];
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_add_l2_rule() - Add L2 rule into DPDMUX table
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Destination interface ID
+ * @rule: L2 rule
+ *
+ * Function adds a L2 rule into DPDMUX table
+ * or adds an interface to an existing multicast address
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_add_l2_rule(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_l2_rule *rule)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_l2_rule *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_ADD_L2_RULE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_l2_rule *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->vlan_id = cpu_to_le16(rule->vlan_id);
+ cmd_params->mac_addr5 = rule->mac_addr[5];
+ cmd_params->mac_addr4 = rule->mac_addr[4];
+ cmd_params->mac_addr3 = rule->mac_addr[3];
+ cmd_params->mac_addr2 = rule->mac_addr[2];
+ cmd_params->mac_addr1 = rule->mac_addr[1];
+ cmd_params->mac_addr0 = rule->mac_addr[0];
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_get_counter() - Functions obtains specific counter of an interface
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface Id
+ * @counter_type: counter type
+ * @counter: Returned specific counter information
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_get_counter(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ enum dpdmux_counter_type counter_type,
+ u64 *counter)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_get_counter *cmd_params;
+ struct dpdmux_rsp_if_get_counter *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_GET_COUNTER,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_get_counter *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->counter_type = counter_type;
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_if_get_counter *)cmd.params;
+ *counter = le64_to_cpu(rsp_params->counter);
+
+ return 0;
+}
+
+/**
+ * dpdmux_if_set_link_cfg() - set the link configuration.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @if_id: interface id
+ * @cfg: Link configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_set_link_cfg(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_link_cfg *cfg)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_set_link_cfg *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_SET_LINK_CFG,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_set_link_cfg *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->rate = cpu_to_le32(cfg->rate);
+ cmd_params->options = cpu_to_le64(cfg->options);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_get_link_state - Return the link 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 DPSW object
+ * @if_id: interface id
+ * @state: link state
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_get_link_state(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_link_state *state)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_get_link_state *cmd_params;
+ struct dpdmux_rsp_if_get_link_state *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_GET_LINK_STATE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_get_link_state *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_if_get_link_state *)cmd.params;
+ state->rate = le32_to_cpu(rsp_params->rate);
+ state->options = le64_to_cpu(rsp_params->options);
+ state->up = dpdmux_get_field(rsp_params->up, ENABLE);
+
+ return 0;
+}
+
+/**
+ * dpdmux_set_custom_key - Set a custom classification key.
+ *
+ * This API is only available for DPDMUX instance created with
+ * DPDMUX_METHOD_CUSTOM. This API must be called before populating the
+ * classification table using dpdmux_add_custom_cls_entry.
+ *
+ * Calls to dpdmux_set_custom_key remove all existing classification entries
+ * that may have been added previously using dpdmux_add_custom_cls_entry.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @if_id: interface id
+ * @key_cfg_iova: DMA address of a configuration structure set up using
+ * dpkg_prepare_key_cfg. Maximum key size is 24 bytes.
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_set_custom_key(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u64 key_cfg_iova)
+{
+ struct dpdmux_set_custom_key *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_CUSTOM_KEY,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_set_custom_key *)cmd.params;
+ cmd_params->key_cfg_iova = cpu_to_le64(key_cfg_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_add_custom_cls_entry - Adds a custom classification entry.
+ *
+ * This API is only available for DPDMUX instances created with
+ * DPDMUX_METHOD_CUSTOM. Before calling this function a classification key
+ * composition rule must be set up using dpdmux_set_custom_key.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @rule: Classification rule to insert. Rules cannot be duplicated, if a
+ * matching rule already exists, the action will be replaced.
+ * @action: Action to perform for matching traffic.
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_add_custom_cls_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_rule_cfg *rule,
+ struct dpdmux_cls_action *action)
+{
+ struct dpdmux_cmd_add_custom_cls_entry *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_ADD_CUSTOM_CLS_ENTRY,
+ cmd_flags,
+ token);
+
+ cmd_params = (struct dpdmux_cmd_add_custom_cls_entry *)cmd.params;
+ cmd_params->key_size = rule->key_size;
+ cmd_params->dest_if = cpu_to_le16(action->dest_if);
+ cmd_params->key_iova = cpu_to_le64(rule->key_iova);
+ cmd_params->mask_iova = cpu_to_le64(rule->mask_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_remove_custom_cls_entry - Removes a custom classification entry.
+ *
+ * This API is only available for DPDMUX instances created with
+ * DPDMUX_METHOD_CUSTOM. The API can be used to remove classification
+ * entries previously inserted using dpdmux_add_custom_cls_entry.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @rule: Classification rule to remove
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_remove_custom_cls_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_rule_cfg *rule)
+{
+ struct dpdmux_cmd_remove_custom_cls_entry *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_REMOVE_CUSTOM_CLS_ENTRY,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_remove_custom_cls_entry *)cmd.params;
+ cmd_params->key_size = rule->key_size;
+ cmd_params->key_iova = cpu_to_le64(rule->key_iova);
+ cmd_params->mask_iova = cpu_to_le64(rule->mask_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_get_api_version() - Get Data Path Demux API 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 demux API
+ * @minor_ver: Minor version of data path demux API
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 *major_ver,
+ u16 *minor_ver)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpdmux_rsp_get_api_version *rsp_params;
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_API_VERSION,
+ cmd_flags,
+ 0);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dpdmux_rsp_get_api_version *)cmd.params;
+ *major_ver = le16_to_cpu(rsp_params->major);
+ *minor_ver = le16_to_cpu(rsp_params->minor);
+
+ return 0;
+}
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/dpdmux.h
@@ -0,0 +1,453 @@
+/* Copyright 2013-2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __FSL_DPDMUX_H
+#define __FSL_DPDMUX_H
+
+struct fsl_mc_io;
+
+/* Data Path Demux API
+ * Contains API for handling DPDMUX topology and functionality
+ */
+
+int dpdmux_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dpdmux_id,
+ u16 *token);
+
+int dpdmux_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
+/**
+ * DPDMUX general options
+ */
+
+/**
+ * Enable bridging between internal interfaces
+ */
+#define DPDMUX_OPT_BRIDGE_EN 0x0000000000000002ULL
+
+/**
+ * Mask support for classification
+ */
+#define DPDMUX_OPT_CLS_MASK_SUPPORT 0x0000000000000020ULL
+
+#define DPDMUX_IRQ_INDEX_IF 0x0000
+#define DPDMUX_IRQ_INDEX 0x0001
+
+/**
+ * IRQ event - Indicates that the link state changed
+ */
+#define DPDMUX_IRQ_EVENT_LINK_CHANGED 0x0001
+
+/**
+ * enum dpdmux_manip - DPDMUX manipulation operations
+ * @DPDMUX_MANIP_NONE: No manipulation on frames
+ * @DPDMUX_MANIP_ADD_REMOVE_S_VLAN: Add S-VLAN on egress, remove it on ingress
+ */
+enum dpdmux_manip {
+ DPDMUX_MANIP_NONE = 0x0,
+ DPDMUX_MANIP_ADD_REMOVE_S_VLAN = 0x1
+};
+
+/**
+ * enum dpdmux_method - DPDMUX method options
+ * @DPDMUX_METHOD_NONE: no DPDMUX method
+ * @DPDMUX_METHOD_C_VLAN_MAC: DPDMUX based on C-VLAN and MAC address
+ * @DPDMUX_METHOD_MAC: DPDMUX based on MAC address
+ * @DPDMUX_METHOD_C_VLAN: DPDMUX based on C-VLAN
+ * @DPDMUX_METHOD_S_VLAN: DPDMUX based on S-VLAN
+ */
+enum dpdmux_method {
+ DPDMUX_METHOD_NONE = 0x0,
+ DPDMUX_METHOD_C_VLAN_MAC = 0x1,
+ DPDMUX_METHOD_MAC = 0x2,
+ DPDMUX_METHOD_C_VLAN = 0x3,
+ DPDMUX_METHOD_S_VLAN = 0x4,
+ DPDMUX_METHOD_CUSTOM = 0x5
+};
+
+/**
+ * struct dpdmux_cfg - DPDMUX configuration parameters
+ * @method: Defines the operation method for the DPDMUX address table
+ * @manip: Required manipulation operation
+ * @num_ifs: Number of interfaces (excluding the uplink interface)
+ * @adv: Advanced parameters; default is all zeros;
+ * use this structure to change default settings
+ */
+struct dpdmux_cfg {
+ enum dpdmux_method method;
+ enum dpdmux_manip manip;
+ u16 num_ifs;
+ /**
+ * struct adv - Advanced parameters
+ * @options: DPDMUX options - combination of 'DPDMUX_OPT_<X>' flags
+ * @max_dmat_entries: Maximum entries in DPDMUX address table
+ * 0 - indicates default: 64 entries per interface.
+ * @max_mc_groups: Number of multicast groups in DPDMUX table
+ * 0 - indicates default: 32 multicast groups
+ * @max_vlan_ids: max vlan ids allowed in the system -
+ * relevant only case of working in mac+vlan method.
+ * 0 - indicates default 16 vlan ids.
+ */
+ struct {
+ u64 options;
+ u16 max_dmat_entries;
+ u16 max_mc_groups;
+ u16 max_vlan_ids;
+ } adv;
+};
+
+int dpdmux_create(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ const struct dpdmux_cfg *cfg,
+ u32 *obj_id);
+
+int dpdmux_destroy(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ u32 object_id);
+
+int dpdmux_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
+int dpdmux_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
+int dpdmux_is_enabled(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *en);
+
+int dpdmux_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
+int dpdmux_set_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en);
+
+int dpdmux_get_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en);
+
+int dpdmux_set_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask);
+
+int dpdmux_get_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask);
+
+int dpdmux_get_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status);
+
+int dpdmux_clear_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status);
+
+/**
+ * struct dpdmux_attr - Structure representing DPDMUX attributes
+ * @id: DPDMUX object ID
+ * @options: Configuration options (bitmap)
+ * @method: DPDMUX address table method
+ * @manip: DPDMUX manipulation type
+ * @num_ifs: Number of interfaces (excluding the uplink interface)
+ * @mem_size: DPDMUX frame storage memory size
+ */
+struct dpdmux_attr {
+ int id;
+ u64 options;
+ enum dpdmux_method method;
+ enum dpdmux_manip manip;
+ u16 num_ifs;
+ u16 mem_size;
+};
+
+int dpdmux_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_attr *attr);
+
+int dpdmux_set_max_frame_length(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 max_frame_length);
+
+/**
+ * enum dpdmux_counter_type - Counter types
+ * @DPDMUX_CNT_ING_FRAME: Counts ingress frames
+ * @DPDMUX_CNT_ING_BYTE: Counts ingress bytes
+ * @DPDMUX_CNT_ING_FLTR_FRAME: Counts filtered ingress frames
+ * @DPDMUX_CNT_ING_FRAME_DISCARD: Counts discarded ingress frames
+ * @DPDMUX_CNT_ING_MCAST_FRAME: Counts ingress multicast frames
+ * @DPDMUX_CNT_ING_MCAST_BYTE: Counts ingress multicast bytes
+ * @DPDMUX_CNT_ING_BCAST_FRAME: Counts ingress broadcast frames
+ * @DPDMUX_CNT_ING_BCAST_BYTES: Counts ingress broadcast bytes
+ * @DPDMUX_CNT_EGR_FRAME: Counts egress frames
+ * @DPDMUX_CNT_EGR_BYTE: Counts egress bytes
+ * @DPDMUX_CNT_EGR_FRAME_DISCARD: Counts discarded egress frames
+ */
+enum dpdmux_counter_type {
+ DPDMUX_CNT_ING_FRAME = 0x0,
+ DPDMUX_CNT_ING_BYTE = 0x1,
+ DPDMUX_CNT_ING_FLTR_FRAME = 0x2,
+ DPDMUX_CNT_ING_FRAME_DISCARD = 0x3,
+ DPDMUX_CNT_ING_MCAST_FRAME = 0x4,
+ DPDMUX_CNT_ING_MCAST_BYTE = 0x5,
+ DPDMUX_CNT_ING_BCAST_FRAME = 0x6,
+ DPDMUX_CNT_ING_BCAST_BYTES = 0x7,
+ DPDMUX_CNT_EGR_FRAME = 0x8,
+ DPDMUX_CNT_EGR_BYTE = 0x9,
+ DPDMUX_CNT_EGR_FRAME_DISCARD = 0xa
+};
+
+/**
+ * enum dpdmux_accepted_frames_type - DPDMUX frame types
+ * @DPDMUX_ADMIT_ALL: The device accepts VLAN tagged, untagged and
+ * priority-tagged frames
+ * @DPDMUX_ADMIT_ONLY_VLAN_TAGGED: The device discards untagged frames or
+ * priority-tagged frames that are received on this
+ * interface
+ * @DPDMUX_ADMIT_ONLY_UNTAGGED: Untagged frames or priority-tagged frames
+ * received on this interface are accepted
+ */
+enum dpdmux_accepted_frames_type {
+ DPDMUX_ADMIT_ALL = 0,
+ DPDMUX_ADMIT_ONLY_VLAN_TAGGED = 1,
+ DPDMUX_ADMIT_ONLY_UNTAGGED = 2
+};
+
+/**
+ * enum dpdmux_action - DPDMUX action for un-accepted frames
+ * @DPDMUX_ACTION_DROP: Drop un-accepted frames
+ * @DPDMUX_ACTION_REDIRECT_TO_CTRL: Redirect un-accepted frames to the
+ * control interface
+ */
+enum dpdmux_action {
+ DPDMUX_ACTION_DROP = 0,
+ DPDMUX_ACTION_REDIRECT_TO_CTRL = 1
+};
+
+/**
+ * struct dpdmux_accepted_frames - Frame types configuration
+ * @type: Defines ingress accepted frames
+ * @unaccept_act: Defines action on frames not accepted
+ */
+struct dpdmux_accepted_frames {
+ enum dpdmux_accepted_frames_type type;
+ enum dpdmux_action unaccept_act;
+};
+
+int dpdmux_if_set_accepted_frames(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_accepted_frames *cfg);
+
+/**
+ * struct dpdmux_if_attr - Structure representing frame types configuration
+ * @rate: Configured interface rate (in bits per second)
+ * @enabled: Indicates if interface is enabled
+ * @accept_frame_type: Indicates type of accepted frames for the interface
+ */
+struct dpdmux_if_attr {
+ u32 rate;
+ int enabled;
+ enum dpdmux_accepted_frames_type accept_frame_type;
+};
+
+int dpdmux_if_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_if_attr *attr);
+
+int dpdmux_if_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id);
+
+int dpdmux_if_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id);
+
+/**
+ * struct dpdmux_l2_rule - Structure representing L2 rule
+ * @mac_addr: MAC address
+ * @vlan_id: VLAN ID
+ */
+struct dpdmux_l2_rule {
+ u8 mac_addr[6];
+ u16 vlan_id;
+};
+
+int dpdmux_if_remove_l2_rule(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_l2_rule *rule);
+
+int dpdmux_if_add_l2_rule(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_l2_rule *rule);
+
+int dpdmux_if_get_counter(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ enum dpdmux_counter_type counter_type,
+ u64 *counter);
+
+int dpdmux_ul_reset_counters(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
+/**
+ * Enable auto-negotiation
+ */
+#define DPDMUX_LINK_OPT_AUTONEG 0x0000000000000001ULL
+/**
+ * Enable half-duplex mode
+ */
+#define DPDMUX_LINK_OPT_HALF_DUPLEX 0x0000000000000002ULL
+/**
+ * Enable pause frames
+ */
+#define DPDMUX_LINK_OPT_PAUSE 0x0000000000000004ULL
+/**
+ * Enable a-symmetric pause frames
+ */
+#define DPDMUX_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL
+
+/**
+ * struct dpdmux_link_cfg - Structure representing DPDMUX link configuration
+ * @rate: Rate
+ * @options: Mask of available options; use 'DPDMUX_LINK_OPT_<X>' values
+ */
+struct dpdmux_link_cfg {
+ u32 rate;
+ u64 options;
+};
+
+int dpdmux_if_set_link_cfg(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_link_cfg *cfg);
+/**
+ * struct dpdmux_link_state - Structure representing DPDMUX link state
+ * @rate: Rate
+ * @options: Mask of available options; use 'DPDMUX_LINK_OPT_<X>' values
+ * @up: 0 - down, 1 - up
+ */
+struct dpdmux_link_state {
+ u32 rate;
+ u64 options;
+ int up;
+};
+
+int dpdmux_if_get_link_state(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_link_state *state);
+
+int dpdmux_set_custom_key(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u64 key_cfg_iova);
+
+/**
+ * struct dpdmux_rule_cfg - Custom classification rule.
+ *
+ * @key_iova: DMA address of buffer storing the look-up value
+ * @mask_iova: DMA address of the mask used for TCAM classification
+ * @key_size: size, in bytes, of the look-up value. This must match the size
+ * of the look-up key defined using dpdmux_set_custom_key, otherwise the
+ * entry will never be hit
+ */
+struct dpdmux_rule_cfg {
+ u64 key_iova;
+ u64 mask_iova;
+ u8 key_size;
+};
+
+/**
+ * struct dpdmux_cls_action - Action to execute for frames matching the
+ * classification entry
+ *
+ * @dest_if: Interface to forward the frames to. Port numbering is similar to
+ * the one used to connect interfaces:
+ * - 0 is the uplink port,
+ * - all others are downlink ports.
+ */
+struct dpdmux_cls_action {
+ u16 dest_if;
+};
+
+int dpdmux_add_custom_cls_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_rule_cfg *rule,
+ struct dpdmux_cls_action *action);
+
+int dpdmux_remove_custom_cls_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_rule_cfg *rule);
+
+int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 *major_ver,
+ u16 *minor_ver);
+
+#endif /* __FSL_DPDMUX_H */
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/evb.c
@@ -0,0 +1,1353 @@
+/* Copyright 2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <linux/module.h>
+#include <linux/msi.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/if_vlan.h>
+
+#include <uapi/linux/if_bridge.h>
+#include <net/netlink.h>
+
+#include <linux/fsl/mc.h>
+
+#include "dpdmux.h"
+#include "dpdmux-cmd.h"
+
+static const char evb_drv_version[] = "0.1";
+
+/* Minimal supported DPDMUX version */
+#define DPDMUX_MIN_VER_MAJOR 6
+#define DPDMUX_MIN_VER_MINOR 0
+
+/* IRQ index */
+#define DPDMUX_MAX_IRQ_NUM 2
+
+/* MAX FRAME LENGTH (currently 10k) */
+#define EVB_MAX_FRAME_LENGTH (10 * 1024)
+#define EVB_MAX_MTU (EVB_MAX_FRAME_LENGTH - VLAN_ETH_HLEN)
+#define EVB_MIN_MTU 68
+
+struct evb_port_priv {
+ struct net_device *netdev;
+ struct list_head list;
+ u16 port_index;
+ struct evb_priv *evb_priv;
+ u8 vlans[VLAN_VID_MASK + 1];
+};
+
+struct evb_priv {
+ /* keep first */
+ struct evb_port_priv uplink;
+
+ struct fsl_mc_io *mc_io;
+ struct list_head port_list;
+ struct dpdmux_attr attr;
+ u16 mux_handle;
+ int dev_id;
+};
+
+static int _evb_port_carrier_state_sync(struct net_device *netdev)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct dpdmux_link_state state;
+ int err;
+
+ err = dpdmux_if_get_link_state(port_priv->evb_priv->mc_io, 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index, &state);
+ if (unlikely(err)) {
+ netdev_err(netdev, "dpdmux_if_get_link_state() err %d\n", err);
+ return err;
+ }
+
+ WARN_ONCE(state.up > 1, "Garbage read into link_state");
+
+ if (state.up)
+ netif_carrier_on(port_priv->netdev);
+ else
+ netif_carrier_off(port_priv->netdev);
+
+ return 0;
+}
+
+static int evb_port_open(struct net_device *netdev)
+{
+ int err;
+
+ /* FIXME: enable port when support added */
+
+ err = _evb_port_carrier_state_sync(netdev);
+ if (err) {
+ netdev_err(netdev, "ethsw_port_carrier_state_sync err %d\n",
+ err);
+ return err;
+ }
+
+ return 0;
+}
+
+static netdev_tx_t evb_dropframe(struct sk_buff *skb, struct net_device *dev)
+{
+ /* we don't support I/O for now, drop the frame */
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+}
+
+static int evb_links_state_update(struct evb_priv *priv)
+{
+ struct evb_port_priv *port_priv;
+ struct list_head *pos;
+ int err;
+
+ list_for_each(pos, &priv->port_list) {
+ port_priv = list_entry(pos, struct evb_port_priv, list);
+
+ err = _evb_port_carrier_state_sync(port_priv->netdev);
+ if (err)
+ netdev_err(port_priv->netdev,
+ "_evb_port_carrier_state_sync err %d\n",
+ err);
+ }
+
+ return 0;
+}
+
+static irqreturn_t evb_irq0_handler(int irq_num, void *arg)
+{
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t _evb_irq0_handler_thread(int irq_num, void *arg)
+{
+ struct device *dev = (struct device *)arg;
+ struct fsl_mc_device *evb_dev = to_fsl_mc_device(dev);
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct evb_priv *priv = netdev_priv(netdev);
+ struct fsl_mc_io *io = priv->mc_io;
+ u16 token = priv->mux_handle;
+ int irq_index = DPDMUX_IRQ_INDEX_IF;
+
+ /* Mask the events and the if_id reserved bits to be cleared on read */
+ u32 status = DPDMUX_IRQ_EVENT_LINK_CHANGED | 0xFFFF0000;
+ int err;
+
+ /* Sanity check */
+ if (WARN_ON(!evb_dev || !evb_dev->irqs || !evb_dev->irqs[irq_index]))
+ goto out;
+ if (WARN_ON(evb_dev->irqs[irq_index]->msi_desc->irq != (u32)irq_num))
+ goto out;
+
+ err = dpdmux_get_irq_status(io, 0, token, irq_index, &status);
+ if (unlikely(err)) {
+ netdev_err(netdev, "Can't get irq status (err %d)", err);
+ err = dpdmux_clear_irq_status(io, 0, token, irq_index,
+ 0xFFFFFFFF);
+ if (unlikely(err))
+ netdev_err(netdev, "Can't clear irq status (err %d)",
+ err);
+ goto out;
+ }
+
+ if (status & DPDMUX_IRQ_EVENT_LINK_CHANGED) {
+ err = evb_links_state_update(priv);
+ if (unlikely(err))
+ goto out;
+ }
+
+out:
+ return IRQ_HANDLED;
+}
+
+static int evb_setup_irqs(struct fsl_mc_device *evb_dev)
+{
+ struct device *dev = &evb_dev->dev;
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct evb_priv *priv = netdev_priv(netdev);
+ int err = 0;
+ struct fsl_mc_device_irq *irq;
+ const int irq_index = DPDMUX_IRQ_INDEX_IF;
+ u32 mask = DPDMUX_IRQ_EVENT_LINK_CHANGED;
+
+ err = fsl_mc_allocate_irqs(evb_dev);
+ if (unlikely(err)) {
+ dev_err(dev, "MC irqs allocation failed\n");
+ return err;
+ }
+
+ if (WARN_ON(evb_dev->obj_desc.irq_count != DPDMUX_MAX_IRQ_NUM)) {
+ err = -EINVAL;
+ goto free_irq;
+ }
+
+ err = dpdmux_set_irq_enable(priv->mc_io, 0, priv->mux_handle,
+ irq_index, 0);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_set_irq_enable err %d\n", err);
+ goto free_irq;
+ }
+
+ irq = evb_dev->irqs[irq_index];
+
+ err = devm_request_threaded_irq(dev, irq->msi_desc->irq,
+ evb_irq0_handler,
+ _evb_irq0_handler_thread,
+ IRQF_NO_SUSPEND | IRQF_ONESHOT,
+ dev_name(dev), dev);
+ if (unlikely(err)) {
+ dev_err(dev, "devm_request_threaded_irq(): %d", err);
+ goto free_irq;
+ }
+
+ err = dpdmux_set_irq_mask(priv->mc_io, 0, priv->mux_handle,
+ irq_index, mask);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_set_irq_mask(): %d", err);
+ goto free_devm_irq;
+ }
+
+ err = dpdmux_set_irq_enable(priv->mc_io, 0, priv->mux_handle,
+ irq_index, 1);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_set_irq_enable(): %d", err);
+ goto free_devm_irq;
+ }
+
+ return 0;
+
+free_devm_irq:
+ devm_free_irq(dev, irq->msi_desc->irq, dev);
+free_irq:
+ fsl_mc_free_irqs(evb_dev);
+ return err;
+}
+
+static void evb_teardown_irqs(struct fsl_mc_device *evb_dev)
+{
+ struct device *dev = &evb_dev->dev;
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct evb_priv *priv = netdev_priv(netdev);
+
+ dpdmux_set_irq_enable(priv->mc_io, 0, priv->mux_handle,
+ DPDMUX_IRQ_INDEX_IF, 0);
+
+ devm_free_irq(dev,
+ evb_dev->irqs[DPDMUX_IRQ_INDEX_IF]->msi_desc->irq,
+ dev);
+ fsl_mc_free_irqs(evb_dev);
+}
+
+static int evb_port_add_rule(struct net_device *netdev,
+ const unsigned char *addr, u16 vid)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct dpdmux_l2_rule rule = { .vlan_id = vid };
+ int err;
+
+ if (addr)
+ ether_addr_copy(rule.mac_addr, addr);
+
+ err = dpdmux_if_add_l2_rule(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index, &rule);
+ if (unlikely(err))
+ netdev_err(netdev, "dpdmux_if_add_l2_rule err %d\n", err);
+ return err;
+}
+
+static int evb_port_del_rule(struct net_device *netdev,
+ const unsigned char *addr, u16 vid)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct dpdmux_l2_rule rule = { .vlan_id = vid };
+ int err;
+
+ if (addr)
+ ether_addr_copy(rule.mac_addr, addr);
+
+ err = dpdmux_if_remove_l2_rule(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index, &rule);
+ if (unlikely(err))
+ netdev_err(netdev, "dpdmux_if_remove_l2_rule err %d\n", err);
+ return err;
+}
+
+static bool _lookup_address(struct net_device *netdev,
+ const unsigned char *addr)
+{
+ struct netdev_hw_addr *ha;
+ struct netdev_hw_addr_list *list = (is_unicast_ether_addr(addr)) ?
+ &netdev->uc : &netdev->mc;
+
+ netif_addr_lock_bh(netdev);
+ list_for_each_entry(ha, &list->list, list) {
+ if (ether_addr_equal(ha->addr, addr)) {
+ netif_addr_unlock_bh(netdev);
+ return true;
+ }
+ }
+ netif_addr_unlock_bh(netdev);
+ return false;
+}
+
+static inline int evb_port_fdb_prep(struct nlattr *tb[],
+ struct net_device *netdev,
+ const unsigned char *addr, u16 *vid,
+ bool del)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct evb_priv *evb_priv = port_priv->evb_priv;
+
+ *vid = 0;
+
+ if (evb_priv->attr.method != DPDMUX_METHOD_MAC &&
+ evb_priv->attr.method != DPDMUX_METHOD_C_VLAN_MAC) {
+ netdev_err(netdev,
+ "EVB mode does not support MAC classification\n");
+ return -EOPNOTSUPP;
+ }
+
+ /* check if the address is configured on this port */
+ if (_lookup_address(netdev, addr)) {
+ if (!del)
+ return -EEXIST;
+ } else {
+ if (del)
+ return -ENOENT;
+ }
+
+ if (tb[NDA_VLAN] && evb_priv->attr.method == DPDMUX_METHOD_C_VLAN_MAC) {
+ if (nla_len(tb[NDA_VLAN]) != sizeof(unsigned short)) {
+ netdev_err(netdev, "invalid vlan size %d\n",
+ nla_len(tb[NDA_VLAN]));
+ return -EINVAL;
+ }
+
+ *vid = nla_get_u16(tb[NDA_VLAN]);
+
+ if (!*vid || *vid >= VLAN_VID_MASK) {
+ netdev_err(netdev, "invalid vid value 0x%04x\n", *vid);
+ return -EINVAL;
+ }
+ } else if (evb_priv->attr.method == DPDMUX_METHOD_C_VLAN_MAC) {
+ netdev_err(netdev,
+ "EVB mode requires explicit VLAN configuration\n");
+ return -EINVAL;
+ } else if (tb[NDA_VLAN]) {
+ netdev_warn(netdev, "VLAN not supported, argument ignored\n");
+ }
+
+ return 0;
+}
+
+static int evb_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *netdev,
+ const unsigned char *addr, u16 vid, u16 flags)
+{
+ u16 _vid;
+ int err;
+
+ /* TODO: add replace support when added to iproute bridge */
+ if (!(flags & NLM_F_REQUEST)) {
+ netdev_err(netdev,
+ "evb_port_fdb_add unexpected flags value %08x\n",
+ flags);
+ return -EINVAL;
+ }
+
+ err = evb_port_fdb_prep(tb, netdev, addr, &_vid, 0);
+ if (unlikely(err))
+ return err;
+
+ err = evb_port_add_rule(netdev, addr, _vid);
+ if (unlikely(err))
+ return err;
+
+ if (is_unicast_ether_addr(addr)) {
+ err = dev_uc_add(netdev, addr);
+ if (unlikely(err)) {
+ netdev_err(netdev, "dev_uc_add err %d\n", err);
+ return err;
+ }
+ } else {
+ err = dev_mc_add(netdev, addr);
+ if (unlikely(err)) {
+ netdev_err(netdev, "dev_mc_add err %d\n", err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int evb_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *netdev,
+ const unsigned char *addr, u16 vid)
+{
+ u16 _vid;
+ int err;
+
+ err = evb_port_fdb_prep(tb, netdev, addr, &_vid, 1);
+ if (unlikely(err))
+ return err;
+
+ err = evb_port_del_rule(netdev, addr, _vid);
+ if (unlikely(err))
+ return err;
+
+ if (is_unicast_ether_addr(addr)) {
+ err = dev_uc_del(netdev, addr);
+ if (unlikely(err)) {
+ netdev_err(netdev, "dev_uc_del err %d\n", err);
+ return err;
+ }
+ } else {
+ err = dev_mc_del(netdev, addr);
+ if (unlikely(err)) {
+ netdev_err(netdev, "dev_mc_del err %d\n", err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int evb_change_mtu(struct net_device *netdev,
+ int mtu)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct evb_priv *evb_priv = port_priv->evb_priv;
+ struct list_head *pos;
+ int err = 0;
+
+ /* This operation is not permitted on downlinks */
+ if (port_priv->port_index > 0)
+ return -EPERM;
+
+ err = dpdmux_set_max_frame_length(evb_priv->mc_io,
+ 0,
+ evb_priv->mux_handle,
+ (uint16_t)(mtu + VLAN_ETH_HLEN));
+
+ if (unlikely(err)) {
+ netdev_err(netdev, "dpdmux_ul_set_max_frame_length err %d\n",
+ err);
+ return err;
+ }
+
+ /* Update the max frame length for downlinks */
+ list_for_each(pos, &evb_priv->port_list) {
+ port_priv = list_entry(pos, struct evb_port_priv, list);
+ port_priv->netdev->mtu = mtu;
+ }
+
+ netdev->mtu = mtu;
+ return 0;
+}
+
+static const struct nla_policy ifla_br_policy[IFLA_MAX + 1] = {
+ [IFLA_BRIDGE_FLAGS] = { .type = NLA_U16 },
+ [IFLA_BRIDGE_MODE] = { .type = NLA_U16 },
+ [IFLA_BRIDGE_VLAN_INFO] = { .type = NLA_BINARY,
+ .len = sizeof(struct bridge_vlan_info), },
+};
+
+static int evb_setlink_af_spec(struct net_device *netdev,
+ struct nlattr **tb)
+{
+ struct bridge_vlan_info *vinfo;
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ int err = 0;
+
+ if (!tb[IFLA_BRIDGE_VLAN_INFO]) {
+ netdev_err(netdev, "no VLAN INFO in nlmsg\n");
+ return -EOPNOTSUPP;
+ }
+
+ vinfo = nla_data(tb[IFLA_BRIDGE_VLAN_INFO]);
+
+ if (!vinfo->vid || vinfo->vid > VLAN_VID_MASK)
+ return -EINVAL;
+
+ err = evb_port_add_rule(netdev, NULL, vinfo->vid);
+ if (unlikely(err))
+ return err;
+
+ port_priv->vlans[vinfo->vid] = 1;
+
+ return 0;
+}
+
+static int evb_setlink(struct net_device *netdev,
+ struct nlmsghdr *nlh,
+ u16 flags)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct evb_priv *evb_priv = port_priv->evb_priv;
+ struct nlattr *attr;
+ struct nlattr *tb[(IFLA_BRIDGE_MAX > IFLA_BRPORT_MAX) ?
+ IFLA_BRIDGE_MAX : IFLA_BRPORT_MAX + 1];
+ int err = 0;
+
+ if (evb_priv->attr.method != DPDMUX_METHOD_C_VLAN &&
+ evb_priv->attr.method != DPDMUX_METHOD_S_VLAN) {
+ netdev_err(netdev,
+ "EVB mode does not support VLAN only classification\n");
+ return -EOPNOTSUPP;
+ }
+
+ attr = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+ if (attr) {
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MAX, attr,
+ ifla_br_policy, NULL);
+ if (unlikely(err)) {
+ netdev_err(netdev,
+ "nla_parse_nested for br_policy err %d\n",
+ err);
+ return err;
+ }
+
+ err = evb_setlink_af_spec(netdev, tb);
+ return err;
+ }
+
+ netdev_err(netdev, "nlmsg_find_attr found no AF_SPEC\n");
+ return -EOPNOTSUPP;
+}
+
+static int __nla_put_netdev(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct evb_priv *evb_priv = port_priv->evb_priv;
+ u8 operstate = netif_running(netdev) ?
+ netdev->operstate : IF_OPER_DOWN;
+ int iflink;
+ int err;
+
+ err = nla_put_string(skb, IFLA_IFNAME, netdev->name);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u32(skb, IFLA_MASTER, evb_priv->uplink.netdev->ifindex);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u32(skb, IFLA_MTU, netdev->mtu);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_OPERSTATE, operstate);
+ if (unlikely(err))
+ goto nla_put_err;
+ if (netdev->addr_len) {
+ err = nla_put(skb, IFLA_ADDRESS, netdev->addr_len,
+ netdev->dev_addr);
+ if (unlikely(err))
+ goto nla_put_err;
+ }
+
+ iflink = dev_get_iflink(netdev);
+ if (netdev->ifindex != iflink) {
+ err = nla_put_u32(skb, IFLA_LINK, iflink);
+ if (unlikely(err))
+ goto nla_put_err;
+ }
+
+ return 0;
+
+nla_put_err:
+ netdev_err(netdev, "nla_put_ err %d\n", err);
+ return err;
+}
+
+static int __nla_put_port(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct nlattr *nest;
+ int err;
+
+ nest = nla_nest_start(skb, IFLA_PROTINFO | NLA_F_NESTED);
+ if (!nest) {
+ netdev_err(netdev, "nla_nest_start failed\n");
+ return -ENOMEM;
+ }
+
+ err = nla_put_u8(skb, IFLA_BRPORT_STATE, BR_STATE_FORWARDING);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u16(skb, IFLA_BRPORT_PRIORITY, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u32(skb, IFLA_BRPORT_COST, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_BRPORT_MODE, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_BRPORT_GUARD, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_BRPORT_PROTECT, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_BRPORT_LEARNING, 0);
+ if (unlikely(err))
+ goto nla_put_err;
+ err = nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, 1);
+ if (unlikely(err))
+ goto nla_put_err;
+ nla_nest_end(skb, nest);
+
+ return 0;
+
+nla_put_err:
+ netdev_err(netdev, "nla_put_ err %d\n", err);
+ nla_nest_cancel(skb, nest);
+ return err;
+}
+
+static int __nla_put_vlan(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct nlattr *nest;
+ struct bridge_vlan_info vinfo;
+ const u8 *vlans = port_priv->vlans;
+ u16 i;
+ int err;
+
+ nest = nla_nest_start(skb, IFLA_AF_SPEC);
+ if (!nest) {
+ netdev_err(netdev, "nla_nest_start failed");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < VLAN_VID_MASK + 1; i++) {
+ if (!vlans[i])
+ continue;
+
+ vinfo.flags = 0;
+ vinfo.vid = i;
+
+ err = nla_put(skb, IFLA_BRIDGE_VLAN_INFO,
+ sizeof(vinfo), &vinfo);
+ if (unlikely(err))
+ goto nla_put_err;
+ }
+
+ nla_nest_end(skb, nest);
+
+ return 0;
+
+nla_put_err:
+ netdev_err(netdev, "nla_put_ err %d\n", err);
+ nla_nest_cancel(skb, nest);
+ return err;
+}
+
+static int evb_getlink(struct sk_buff *skb, u32 pid, u32 seq,
+ struct net_device *netdev, u32 filter_mask, int nlflags)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct evb_priv *evb_priv = port_priv->evb_priv;
+ struct ifinfomsg *hdr;
+ struct nlmsghdr *nlh;
+ int err;
+
+ if (evb_priv->attr.method != DPDMUX_METHOD_C_VLAN &&
+ evb_priv->attr.method != DPDMUX_METHOD_S_VLAN) {
+ return 0;
+ }
+
+ nlh = nlmsg_put(skb, pid, seq, RTM_NEWLINK, sizeof(*hdr), NLM_F_MULTI);
+ if (!nlh)
+ return -EMSGSIZE;
+
+ hdr = nlmsg_data(nlh);
+ memset(hdr, 0, sizeof(*hdr));
+ hdr->ifi_family = AF_BRIDGE;
+ hdr->ifi_type = netdev->type;
+ hdr->ifi_index = netdev->ifindex;
+ hdr->ifi_flags = dev_get_flags(netdev);
+
+ err = __nla_put_netdev(skb, netdev);
+ if (unlikely(err))
+ goto nla_put_err;
+
+ err = __nla_put_port(skb, netdev);
+ if (unlikely(err))
+ goto nla_put_err;
+
+ /* Check if the VID information is requested */
+ if (filter_mask & RTEXT_FILTER_BRVLAN) {
+ err = __nla_put_vlan(skb, netdev);
+ if (unlikely(err))
+ goto nla_put_err;
+ }
+
+ nlmsg_end(skb, nlh);
+ return skb->len;
+
+nla_put_err:
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
+}
+
+static int evb_dellink(struct net_device *netdev,
+ struct nlmsghdr *nlh,
+ u16 flags)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MAX + 1];
+ struct nlattr *spec;
+ struct bridge_vlan_info *vinfo;
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ int err = 0;
+
+ spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+ if (!spec)
+ return 0;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MAX, spec, ifla_br_policy, NULL);
+ if (unlikely(err))
+ return err;
+
+ if (!tb[IFLA_BRIDGE_VLAN_INFO])
+ return -EOPNOTSUPP;
+
+ vinfo = nla_data(tb[IFLA_BRIDGE_VLAN_INFO]);
+
+ if (!vinfo->vid || vinfo->vid > VLAN_VID_MASK)
+ return -EINVAL;
+
+ err = evb_port_del_rule(netdev, NULL, vinfo->vid);
+ if (unlikely(err)) {
+ netdev_err(netdev, "evb_port_del_rule err %d\n", err);
+ return err;
+ }
+ port_priv->vlans[vinfo->vid] = 0;
+
+ return 0;
+}
+
+void evb_port_get_stats(struct net_device *netdev,
+ struct rtnl_link_stats64 *storage)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ u64 tmp;
+ int err;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_ING_FRAME, &storage->rx_packets);
+ if (unlikely(err))
+ goto error;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_ING_BYTE, &storage->rx_bytes);
+ if (unlikely(err))
+ goto error;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_ING_FLTR_FRAME, &tmp);
+ if (unlikely(err))
+ goto error;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_ING_FRAME_DISCARD,
+ &storage->rx_dropped);
+ if (unlikely(err)) {
+ storage->rx_dropped = tmp;
+ goto error;
+ }
+ storage->rx_dropped += tmp;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_ING_MCAST_FRAME,
+ &storage->multicast);
+ if (unlikely(err))
+ goto error;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_EGR_FRAME, &storage->tx_packets);
+ if (unlikely(err))
+ goto error;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_EGR_BYTE, &storage->tx_bytes);
+ if (unlikely(err))
+ goto error;
+
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ DPDMUX_CNT_EGR_FRAME_DISCARD,
+ &storage->tx_dropped);
+ if (unlikely(err))
+ goto error;
+
+ return;
+
+error:
+ netdev_err(netdev, "dpdmux_if_get_counter err %d\n", err);
+}
+
+static const struct net_device_ops evb_port_ops = {
+ .ndo_open = &evb_port_open,
+
+ .ndo_start_xmit = &evb_dropframe,
+
+ .ndo_fdb_add = &evb_port_fdb_add,
+ .ndo_fdb_del = &evb_port_fdb_del,
+
+ .ndo_get_stats64 = &evb_port_get_stats,
+ .ndo_change_mtu = &evb_change_mtu,
+};
+
+static void evb_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ u16 version_major, version_minor;
+ int err;
+
+ strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->version, evb_drv_version, sizeof(drvinfo->version));
+
+ err = dpdmux_get_api_version(port_priv->evb_priv->mc_io, 0,
+ &version_major,
+ &version_minor);
+ if (err)
+ strlcpy(drvinfo->fw_version, "N/A",
+ sizeof(drvinfo->fw_version));
+ else
+ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+ "%u.%u", version_major, version_minor);
+
+ strlcpy(drvinfo->bus_info, dev_name(netdev->dev.parent->parent),
+ sizeof(drvinfo->bus_info));
+}
+
+static int evb_get_settings(struct net_device *netdev,
+ struct ethtool_cmd *cmd)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct dpdmux_link_state state = {0};
+ int err = 0;
+
+ err = dpdmux_if_get_link_state(port_priv->evb_priv->mc_io, 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ &state);
+ if (err) {
+ netdev_err(netdev, "ERROR %d getting link state", err);
+ goto out;
+ }
+
+ /* At the moment, we have no way of interrogating the DPMAC
+ * from the DPDMUX side or there may not exist a DPMAC at all.
+ * Report only autoneg state, duplexity and speed.
+ */
+ if (state.options & DPDMUX_LINK_OPT_AUTONEG)
+ cmd->autoneg = AUTONEG_ENABLE;
+ if (!(state.options & DPDMUX_LINK_OPT_HALF_DUPLEX))
+ cmd->duplex = DUPLEX_FULL;
+ ethtool_cmd_speed_set(cmd, state.rate);
+
+out:
+ return err;
+}
+
+static int evb_set_settings(struct net_device *netdev,
+ struct ethtool_cmd *cmd)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ struct dpdmux_link_state state = {0};
+ struct dpdmux_link_cfg cfg = {0};
+ int err = 0;
+
+ netdev_dbg(netdev, "Setting link parameters...");
+
+ err = dpdmux_if_get_link_state(port_priv->evb_priv->mc_io, 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ &state);
+ if (err) {
+ netdev_err(netdev, "ERROR %d getting link state", err);
+ goto out;
+ }
+
+ /* Due to a temporary MC limitation, the DPDMUX port must be down
+ * in order to be able to change link settings. Taking steps to let
+ * the user know that.
+ */
+ if (netif_running(netdev)) {
+ netdev_info(netdev,
+ "Sorry, interface must be brought down first.\n");
+ return -EACCES;
+ }
+
+ cfg.options = state.options;
+ cfg.rate = ethtool_cmd_speed(cmd);
+ if (cmd->autoneg == AUTONEG_ENABLE)
+ cfg.options |= DPDMUX_LINK_OPT_AUTONEG;
+ else
+ cfg.options &= ~DPDMUX_LINK_OPT_AUTONEG;
+ if (cmd->duplex == DUPLEX_HALF)
+ cfg.options |= DPDMUX_LINK_OPT_HALF_DUPLEX;
+ else
+ cfg.options &= ~DPDMUX_LINK_OPT_HALF_DUPLEX;
+
+ err = dpdmux_if_set_link_cfg(port_priv->evb_priv->mc_io, 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ &cfg);
+ if (err)
+ /* ethtool will be loud enough if we return an error; no point
+ * in putting our own error message on the console by default
+ */
+ netdev_dbg(netdev, "ERROR %d setting link cfg", err);
+
+out:
+ return err;
+}
+
+static struct {
+ enum dpdmux_counter_type id;
+ char name[ETH_GSTRING_LEN];
+} evb_ethtool_counters[] = {
+ {DPDMUX_CNT_ING_FRAME, "rx frames"},
+ {DPDMUX_CNT_ING_BYTE, "rx bytes"},
+ {DPDMUX_CNT_ING_FLTR_FRAME, "rx filtered frames"},
+ {DPDMUX_CNT_ING_FRAME_DISCARD, "rx discarded frames"},
+ {DPDMUX_CNT_ING_BCAST_FRAME, "rx b-cast frames"},
+ {DPDMUX_CNT_ING_BCAST_BYTES, "rx b-cast bytes"},
+ {DPDMUX_CNT_ING_MCAST_FRAME, "rx m-cast frames"},
+ {DPDMUX_CNT_ING_MCAST_BYTE, "rx m-cast bytes"},
+ {DPDMUX_CNT_EGR_FRAME, "tx frames"},
+ {DPDMUX_CNT_EGR_BYTE, "tx bytes"},
+ {DPDMUX_CNT_EGR_FRAME_DISCARD, "tx discarded frames"},
+};
+
+static int evb_ethtool_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(evb_ethtool_counters);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void evb_ethtool_get_strings(struct net_device *netdev,
+ u32 stringset, u8 *data)
+{
+ u32 i;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < ARRAY_SIZE(evb_ethtool_counters); i++)
+ memcpy(data + i * ETH_GSTRING_LEN,
+ evb_ethtool_counters[i].name, ETH_GSTRING_LEN);
+ break;
+ }
+}
+
+static void evb_ethtool_get_stats(struct net_device *netdev,
+ struct ethtool_stats *stats,
+ u64 *data)
+{
+ struct evb_port_priv *port_priv = netdev_priv(netdev);
+ u32 i;
+ int err;
+
+ for (i = 0; i < ARRAY_SIZE(evb_ethtool_counters); i++) {
+ err = dpdmux_if_get_counter(port_priv->evb_priv->mc_io,
+ 0,
+ port_priv->evb_priv->mux_handle,
+ port_priv->port_index,
+ evb_ethtool_counters[i].id,
+ &data[i]);
+ if (err)
+ netdev_err(netdev, "dpdmux_if_get_counter[%s] err %d\n",
+ evb_ethtool_counters[i].name, err);
+ }
+}
+
+static const struct ethtool_ops evb_port_ethtool_ops = {
+ .get_drvinfo = &evb_get_drvinfo,
+ .get_link = &ethtool_op_get_link,
+ .get_settings = &evb_get_settings,
+ .set_settings = &evb_set_settings,
+ .get_strings = &evb_ethtool_get_strings,
+ .get_ethtool_stats = &evb_ethtool_get_stats,
+ .get_sset_count = &evb_ethtool_get_sset_count,
+};
+
+static int evb_open(struct net_device *netdev)
+{
+ struct evb_priv *priv = netdev_priv(netdev);
+ int err = 0;
+
+ err = dpdmux_enable(priv->mc_io, 0, priv->mux_handle);
+ if (unlikely(err))
+ netdev_err(netdev, "dpdmux_enable err %d\n", err);
+
+ return err;
+}
+
+static int evb_close(struct net_device *netdev)
+{
+ struct evb_priv *priv = netdev_priv(netdev);
+ int err = 0;
+
+ err = dpdmux_disable(priv->mc_io, 0, priv->mux_handle);
+ if (unlikely(err))
+ netdev_err(netdev, "dpdmux_disable err %d\n", err);
+
+ return err;
+}
+
+static const struct net_device_ops evb_ops = {
+ .ndo_start_xmit = &evb_dropframe,
+ .ndo_open = &evb_open,
+ .ndo_stop = &evb_close,
+
+ .ndo_bridge_setlink = &evb_setlink,
+ .ndo_bridge_getlink = &evb_getlink,
+ .ndo_bridge_dellink = &evb_dellink,
+
+ .ndo_get_stats64 = &evb_port_get_stats,
+ .ndo_change_mtu = &evb_change_mtu,
+};
+
+static int evb_takedown(struct fsl_mc_device *evb_dev)
+{
+ struct device *dev = &evb_dev->dev;
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct evb_priv *priv = netdev_priv(netdev);
+ int err;
+
+ err = dpdmux_close(priv->mc_io, 0, priv->mux_handle);
+ if (unlikely(err))
+ dev_warn(dev, "dpdmux_close err %d\n", err);
+
+ return 0;
+}
+
+static int evb_init(struct fsl_mc_device *evb_dev)
+{
+ struct device *dev = &evb_dev->dev;
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct evb_priv *priv = netdev_priv(netdev);
+ u16 version_major;
+ u16 version_minor;
+ int err = 0;
+
+ priv->dev_id = evb_dev->obj_desc.id;
+
+ err = dpdmux_open(priv->mc_io, 0, priv->dev_id, &priv->mux_handle);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_open err %d\n", err);
+ goto err_exit;
+ }
+ if (!priv->mux_handle) {
+ dev_err(dev, "dpdmux_open returned null handle but no error\n");
+ err = -EFAULT;
+ goto err_exit;
+ }
+
+ err = dpdmux_get_attributes(priv->mc_io, 0, priv->mux_handle,
+ &priv->attr);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_get_attributes err %d\n", err);
+ goto err_close;
+ }
+
+ err = dpdmux_get_api_version(priv->mc_io, 0,
+ &version_major,
+ &version_minor);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_get_api_version err %d\n", err);
+ goto err_close;
+ }
+
+ /* Minimum supported DPDMUX version check */
+ if (version_major < DPDMUX_MIN_VER_MAJOR ||
+ (version_major == DPDMUX_MIN_VER_MAJOR &&
+ version_minor < DPDMUX_MIN_VER_MINOR)) {
+ dev_err(dev, "DPDMUX version %d.%d not supported. Use %d.%d or greater.\n",
+ version_major, version_minor,
+ DPDMUX_MIN_VER_MAJOR, DPDMUX_MIN_VER_MAJOR);
+ err = -ENOTSUPP;
+ goto err_close;
+ }
+
+ err = dpdmux_reset(priv->mc_io, 0, priv->mux_handle);
+ if (unlikely(err)) {
+ dev_err(dev, "dpdmux_reset err %d\n", err);
+ goto err_close;
+ }
+
+ return 0;
+
+err_close:
+ dpdmux_close(priv->mc_io, 0, priv->mux_handle);
+err_exit:
+ return err;
+}
+
+static int evb_remove(struct fsl_mc_device *evb_dev)
+{
+ struct device *dev = &evb_dev->dev;
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct evb_priv *priv = netdev_priv(netdev);
+ struct evb_port_priv *port_priv;
+ struct list_head *pos;
+
+ list_for_each(pos, &priv->port_list) {
+ port_priv = list_entry(pos, struct evb_port_priv, list);
+
+ rtnl_lock();
+ netdev_upper_dev_unlink(port_priv->netdev, netdev);
+ rtnl_unlock();
+
+ unregister_netdev(port_priv->netdev);
+ free_netdev(port_priv->netdev);
+ }
+
+ evb_teardown_irqs(evb_dev);
+
+ unregister_netdev(netdev);
+
+ evb_takedown(evb_dev);
+ fsl_mc_portal_free(priv->mc_io);
+
+ dev_set_drvdata(dev, NULL);
+ free_netdev(netdev);
+
+ return 0;
+}
+
+static int evb_probe(struct fsl_mc_device *evb_dev)
+{
+ struct device *dev;
+ struct evb_priv *priv = NULL;
+ struct net_device *netdev = NULL;
+ char port_name[IFNAMSIZ];
+ int i;
+ int err = 0;
+
+ dev = &evb_dev->dev;
+
+ /* register switch device, it's for management only - no I/O */
+ netdev = alloc_etherdev(sizeof(*priv));
+ if (!netdev) {
+ dev_err(dev, "alloc_etherdev error\n");
+ return -ENOMEM;
+ }
+ netdev->netdev_ops = &evb_ops;
+
+ dev_set_drvdata(dev, netdev);
+
+ priv = netdev_priv(netdev);
+
+ err = fsl_mc_portal_allocate(evb_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
+ &priv->mc_io);
+ if (err) {
+ if (err == -ENXIO)
+ err = -EPROBE_DEFER;
+ else
+ dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
+ goto err_free_netdev;
+ }
+
+ if (!priv->mc_io) {
+ dev_err(dev, "fsl_mc_portal_allocate returned null handle but no error\n");
+ err = -EFAULT;
+ goto err_free_netdev;
+ }
+
+ err = evb_init(evb_dev);
+ if (unlikely(err)) {
+ dev_err(dev, "evb init err %d\n", err);
+ goto err_free_cmdport;
+ }
+
+ INIT_LIST_HEAD(&priv->port_list);
+ netdev->flags |= IFF_PROMISC | IFF_MASTER;
+
+ dev_alloc_name(netdev, "evb%d");
+
+ /* register switch ports */
+ snprintf(port_name, IFNAMSIZ, "%sp%%d", netdev->name);
+
+ /* only register downlinks? */
+ for (i = 0; i < priv->attr.num_ifs + 1; i++) {
+ struct net_device *port_netdev;
+ struct evb_port_priv *port_priv;
+
+ if (i) {
+ port_netdev =
+ alloc_etherdev(sizeof(struct evb_port_priv));
+ if (!port_netdev) {
+ dev_err(dev, "alloc_etherdev error\n");
+ goto err_takedown;
+ }
+
+ port_priv = netdev_priv(port_netdev);
+
+ port_netdev->flags |= IFF_PROMISC | IFF_SLAVE;
+
+ dev_alloc_name(port_netdev, port_name);
+ } else {
+ port_netdev = netdev;
+ port_priv = &priv->uplink;
+ }
+
+ port_priv->netdev = port_netdev;
+ port_priv->evb_priv = priv;
+ port_priv->port_index = i;
+
+ SET_NETDEV_DEV(port_netdev, dev);
+
+ if (i) {
+ port_netdev->netdev_ops = &evb_port_ops;
+
+ err = register_netdev(port_netdev);
+ if (err < 0) {
+ dev_err(dev, "register_netdev err %d\n", err);
+ free_netdev(port_netdev);
+ goto err_takedown;
+ }
+
+ rtnl_lock();
+ err = netdev_master_upper_dev_link(port_netdev, netdev,
+ NULL, NULL);
+ if (unlikely(err)) {
+ dev_err(dev, "netdev_master_upper_dev_link err %d\n",
+ err);
+ unregister_netdev(port_netdev);
+ free_netdev(port_netdev);
+ rtnl_unlock();
+ goto err_takedown;
+ }
+ rtmsg_ifinfo(RTM_NEWLINK, port_netdev,
+ IFF_SLAVE, GFP_KERNEL);
+ rtnl_unlock();
+
+ list_add(&port_priv->list, &priv->port_list);
+ } else {
+ /* Set MTU limits only on uplink */
+ port_netdev->min_mtu = EVB_MIN_MTU;
+ port_netdev->max_mtu = EVB_MAX_MTU;
+
+ err = register_netdev(netdev);
+
+ if (err < 0) {
+ dev_err(dev, "register_netdev error %d\n", err);
+ goto err_takedown;
+ }
+ }
+
+ port_netdev->ethtool_ops = &evb_port_ethtool_ops;
+
+ /* ports are up from init */
+ rtnl_lock();
+ err = dev_open(port_netdev);
+ rtnl_unlock();
+ if (unlikely(err))
+ dev_warn(dev, "dev_open err %d\n", err);
+ }
+
+ /* setup irqs */
+ err = evb_setup_irqs(evb_dev);
+ if (unlikely(err)) {
+ dev_warn(dev, "evb_setup_irqs err %d\n", err);
+ goto err_takedown;
+ }
+
+ dev_info(dev, "probed evb device with %d ports\n",
+ priv->attr.num_ifs);
+ return 0;
+
+err_takedown:
+ evb_remove(evb_dev);
+err_free_cmdport:
+ fsl_mc_portal_free(priv->mc_io);
+err_free_netdev:
+ return err;
+}
+
+static const struct fsl_mc_device_id evb_match_id_table[] = {
+ {
+ .vendor = FSL_MC_VENDOR_FREESCALE,
+ .obj_type = "dpdmux",
+ },
+ {}
+};
+
+static struct fsl_mc_driver evb_drv = {
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = evb_probe,
+ .remove = evb_remove,
+ .match_id_table = evb_match_id_table,
+};
+
+module_fsl_mc_driver(evb_drv);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Layerscape DPAA Edge Virtual Bridge driver (prototype)");
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