diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.14/706-dpaa2-virtualbridge-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.14/706-dpaa2-virtualbridge-support-layerscape.patch | 3256 |
1 files changed, 3256 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.14/706-dpaa2-virtualbridge-support-layerscape.patch b/target/linux/layerscape/patches-4.14/706-dpaa2-virtualbridge-support-layerscape.patch new file mode 100644 index 0000000000..6c89bb1fe8 --- /dev/null +++ b/target/linux/layerscape/patches-4.14/706-dpaa2-virtualbridge-support-layerscape.patch @@ -0,0 +1,3256 @@ +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 = ðtool_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)"); |