diff --git a/MAINTAINERS b/MAINTAINERS
index 553dbbddf3e4c..42378cf4b8446 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8330,6 +8330,14 @@ W: http://www.mellanox.com
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlxsw/
+MELLANOX FIRMWARE FLASH LIBRARY (mlxfw)
+M: Yotam Gigi <yotamg@mellanox.com>
+L: netdev@vger.kernel.org
+S: Supported
+W: http://www.mellanox.com
+Q: http://patchwork.ozlabs.org/project/netdev/list/
+F: drivers/net/ethernet/mellanox/mlxfw/
+
MELLANOX MLXCPLD I2C AND MUX DRIVER
M: Vadim Pasternak <vadimp@mellanox.com>
M: Michael Shych <michaelsh@mellanox.com>
diff --git a/drivers/net/ethernet/mellanox/Kconfig b/drivers/net/ethernet/mellanox/Kconfig
index d54701047401d..84a2007641117 100644
--- a/drivers/net/ethernet/mellanox/Kconfig
+++ b/drivers/net/ethernet/mellanox/Kconfig
@@ -19,5 +19,6 @@ if NET_VENDOR_MELLANOX
source "drivers/net/ethernet/mellanox/mlx4/Kconfig"
source "drivers/net/ethernet/mellanox/mlx5/core/Kconfig"
source "drivers/net/ethernet/mellanox/mlxsw/Kconfig"
+source "drivers/net/ethernet/mellanox/mlxfw/Kconfig"
endif # NET_VENDOR_MELLANOX
diff --git a/drivers/net/ethernet/mellanox/Makefile b/drivers/net/ethernet/mellanox/Makefile
index 2e2a5ec509ac5..016aa263bc042 100644
--- a/drivers/net/ethernet/mellanox/Makefile
+++ b/drivers/net/ethernet/mellanox/Makefile
@@ -5,3 +5,4 @@
obj-$(CONFIG_MLX4_CORE) += mlx4/
obj-$(CONFIG_MLX5_CORE) += mlx5/core/
obj-$(CONFIG_MLXSW_CORE) += mlxsw/
+obj-$(CONFIG_MLXFW) += mlxfw/
diff --git a/drivers/net/ethernet/mellanox/mlxfw/Kconfig b/drivers/net/ethernet/mellanox/mlxfw/Kconfig
new file mode 100644
index 0000000000000..56b60ac7bc342
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/Kconfig
@@ -0,0 +1,6 @@
+#
+# Mellanox firmware flash library configuration
+#
+
+config MLXFW
+ tristate "mlxfw" if COMPILE_TEST
diff --git a/drivers/net/ethernet/mellanox/mlxfw/Makefile b/drivers/net/ethernet/mellanox/mlxfw/Makefile
new file mode 100644
index 0000000000000..7448b301104cf
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_MLXFW) += mlxfw.o
+mlxfw-objs := mlxfw_fsm.o mlxfw_mfa2_tlv_multi.o mlxfw_mfa2.o
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw.h b/drivers/net/ethernet/mellanox/mlxfw/mlxfw.h
new file mode 100644
index 0000000000000..beea4ba83495f
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw.h
@@ -0,0 +1,102 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw.h
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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 _MLXFW_H
+#define _MLXFW_H
+
+#include <linux/firmware.h>
+
+enum mlxfw_fsm_state {
+ MLXFW_FSM_STATE_IDLE,
+ MLXFW_FSM_STATE_LOCKED,
+ MLXFW_FSM_STATE_INITIALIZE,
+ MLXFW_FSM_STATE_DOWNLOAD,
+ MLXFW_FSM_STATE_VERIFY,
+ MLXFW_FSM_STATE_APPLY,
+ MLXFW_FSM_STATE_ACTIVATE,
+};
+
+enum mlxfw_fsm_state_err {
+ MLXFW_FSM_STATE_ERR_OK,
+ MLXFW_FSM_STATE_ERR_ERROR,
+ MLXFW_FSM_STATE_ERR_REJECTED_DIGEST_ERR,
+ MLXFW_FSM_STATE_ERR_REJECTED_NOT_APPLICABLE,
+ MLXFW_FSM_STATE_ERR_REJECTED_UNKNOWN_KEY,
+ MLXFW_FSM_STATE_ERR_REJECTED_AUTH_FAILED,
+ MLXFW_FSM_STATE_ERR_REJECTED_UNSIGNED,
+ MLXFW_FSM_STATE_ERR_REJECTED_KEY_NOT_APPLICABLE,
+ MLXFW_FSM_STATE_ERR_REJECTED_BAD_FORMAT,
+ MLXFW_FSM_STATE_ERR_BLOCKED_PENDING_RESET,
+ MLXFW_FSM_STATE_ERR_MAX,
+};
+
+struct mlxfw_dev;
+
+struct mlxfw_dev_ops {
+ int (*component_query)(struct mlxfw_dev *mlxfw_dev, u16 component_index,
+ u32 *p_max_size, u8 *p_align_bits,
+ u16 *p_max_write_size);
+
+ int (*fsm_lock)(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle);
+
+ int (*fsm_component_update)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ u16 component_index, u32 component_size);
+
+ int (*fsm_block_download)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ u8 *data, u16 size, u32 offset);
+
+ int (*fsm_component_verify)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ u16 component_index);
+
+ int (*fsm_activate)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle);
+
+ int (*fsm_query_state)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ enum mlxfw_fsm_state *fsm_state,
+ enum mlxfw_fsm_state_err *fsm_state_err);
+
+ void (*fsm_cancel)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle);
+
+ void (*fsm_release)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle);
+};
+
+struct mlxfw_dev {
+ const struct mlxfw_dev_ops *ops;
+ const char *psid;
+ u16 psid_size;
+};
+
+int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev,
+ const struct firmware *firmware);
+
+#endif
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c
new file mode 100644
index 0000000000000..2cf89126fb23b
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c
@@ -0,0 +1,273 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw.c
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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.
+ */
+
+#define pr_fmt(fmt) "mlxfw: " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#include "mlxfw.h"
+#include "mlxfw_mfa2.h"
+
+#define MLXFW_FSM_STATE_WAIT_CYCLE_MS 200
+#define MLXFW_FSM_STATE_WAIT_TIMEOUT_MS 30000
+#define MLXFW_FSM_STATE_WAIT_ROUNDS \
+ (MLXFW_FSM_STATE_WAIT_TIMEOUT_MS / MLXFW_FSM_STATE_WAIT_CYCLE_MS)
+#define MLXFW_FSM_MAX_COMPONENT_SIZE (10 * (1 << 20))
+
+static const char * const mlxfw_fsm_state_err_str[] = {
+ [MLXFW_FSM_STATE_ERR_ERROR] =
+ "general error",
+ [MLXFW_FSM_STATE_ERR_REJECTED_DIGEST_ERR] =
+ "component hash mismatch",
+ [MLXFW_FSM_STATE_ERR_REJECTED_NOT_APPLICABLE] =
+ "component not applicable",
+ [MLXFW_FSM_STATE_ERR_REJECTED_UNKNOWN_KEY] =
+ "unknown key",
+ [MLXFW_FSM_STATE_ERR_REJECTED_AUTH_FAILED] =
+ "authentication failed",
+ [MLXFW_FSM_STATE_ERR_REJECTED_UNSIGNED] =
+ "component was not signed",
+ [MLXFW_FSM_STATE_ERR_REJECTED_KEY_NOT_APPLICABLE] =
+ "key not applicable",
+ [MLXFW_FSM_STATE_ERR_REJECTED_BAD_FORMAT] =
+ "bad format",
+ [MLXFW_FSM_STATE_ERR_BLOCKED_PENDING_RESET] =
+ "pending reset",
+ [MLXFW_FSM_STATE_ERR_MAX] =
+ "unknown error"
+};
+
+static int mlxfw_fsm_state_wait(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ enum mlxfw_fsm_state fsm_state)
+{
+ enum mlxfw_fsm_state_err fsm_state_err;
+ enum mlxfw_fsm_state curr_fsm_state;
+ int times;
+ int err;
+
+ times = MLXFW_FSM_STATE_WAIT_ROUNDS;
+retry:
+ err = mlxfw_dev->ops->fsm_query_state(mlxfw_dev, fwhandle,
+ &curr_fsm_state, &fsm_state_err);
+ if (err)
+ return err;
+
+ if (fsm_state_err != MLXFW_FSM_STATE_ERR_OK) {
+ pr_err("Firmware flash failed: %s\n",
+ mlxfw_fsm_state_err_str[fsm_state_err]);
+ return -EINVAL;
+ }
+ if (curr_fsm_state != fsm_state) {
+ if (--times == 0) {
+ pr_err("Timeout reached on FSM state change");
+ return -ETIMEDOUT;
+ }
+ msleep(MLXFW_FSM_STATE_WAIT_CYCLE_MS);
+ goto retry;
+ }
+ return 0;
+}
+
+#define MLXFW_ALIGN_DOWN(x, align_bits) ((x) & ~((1 << (align_bits)) - 1))
+#define MLXFW_ALIGN_UP(x, align_bits) \
+ MLXFW_ALIGN_DOWN((x) + ((1 << (align_bits)) - 1), (align_bits))
+
+static int mlxfw_flash_component(struct mlxfw_dev *mlxfw_dev,
+ u32 fwhandle,
+ struct mlxfw_mfa2_component *comp)
+{
+ u16 comp_max_write_size;
+ u8 comp_align_bits;
+ u32 comp_max_size;
+ u16 block_size;
+ u8 *block_ptr;
+ u32 offset;
+ int err;
+
+ err = mlxfw_dev->ops->component_query(mlxfw_dev, comp->index,
+ &comp_max_size, &comp_align_bits,
+ &comp_max_write_size);
+ if (err)
+ return err;
+
+ comp_max_size = min_t(u32, comp_max_size, MLXFW_FSM_MAX_COMPONENT_SIZE);
+ if (comp->data_size > comp_max_size) {
+ pr_err("Component %d is of size %d which is bigger than limit %d\n",
+ comp->index, comp->data_size, comp_max_size);
+ return -EINVAL;
+ }
+
+ comp_max_write_size = MLXFW_ALIGN_DOWN(comp_max_write_size,
+ comp_align_bits);
+
+ pr_debug("Component update\n");
+ err = mlxfw_dev->ops->fsm_component_update(mlxfw_dev, fwhandle,
+ comp->index,
+ comp->data_size);
+ if (err)
+ return err;
+
+ err = mlxfw_fsm_state_wait(mlxfw_dev, fwhandle,
+ MLXFW_FSM_STATE_DOWNLOAD);
+ if (err)
+ goto err_out;
+
+ pr_debug("Component download\n");
+ for (offset = 0;
+ offset < MLXFW_ALIGN_UP(comp->data_size, comp_align_bits);
+ offset += comp_max_write_size) {
+ block_ptr = comp->data + offset;
+ block_size = (u16) min_t(u32, comp->data_size - offset,
+ comp_max_write_size);
+ err = mlxfw_dev->ops->fsm_block_download(mlxfw_dev, fwhandle,
+ block_ptr, block_size,
+ offset);
+ if (err)
+ goto err_out;
+ }
+
+ pr_debug("Component verify\n");
+ err = mlxfw_dev->ops->fsm_component_verify(mlxfw_dev, fwhandle,
+ comp->index);
+ if (err)
+ goto err_out;
+
+ err = mlxfw_fsm_state_wait(mlxfw_dev, fwhandle, MLXFW_FSM_STATE_LOCKED);
+ if (err)
+ goto err_out;
+ return 0;
+
+err_out:
+ mlxfw_dev->ops->fsm_cancel(mlxfw_dev, fwhandle);
+ return err;
+}
+
+static int mlxfw_flash_components(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ struct mlxfw_mfa2_file *mfa2_file)
+{
+ u32 component_count;
+ int err;
+ int i;
+
+ err = mlxfw_mfa2_file_component_count(mfa2_file, mlxfw_dev->psid,
+ mlxfw_dev->psid_size,
+ &component_count);
+ if (err) {
+ pr_err("Could not find device PSID in MFA2 file\n");
+ return err;
+ }
+
+ for (i = 0; i < component_count; i++) {
+ struct mlxfw_mfa2_component *comp;
+
+ comp = mlxfw_mfa2_file_component_get(mfa2_file, mlxfw_dev->psid,
+ mlxfw_dev->psid_size, i);
+ if (IS_ERR(comp))
+ return PTR_ERR(comp);
+
+ pr_info("Flashing component type %d\n", comp->index);
+ err = mlxfw_flash_component(mlxfw_dev, fwhandle, comp);
+ mlxfw_mfa2_file_component_put(comp);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev,
+ const struct firmware *firmware)
+{
+ struct mlxfw_mfa2_file *mfa2_file;
+ u32 fwhandle;
+ int err;
+
+ if (!mlxfw_mfa2_check(firmware)) {
+ pr_err("Firmware file is not MFA2\n");
+ return -EINVAL;
+ }
+
+ mfa2_file = mlxfw_mfa2_file_init(firmware);
+ if (IS_ERR(mfa2_file))
+ return PTR_ERR(mfa2_file);
+
+ pr_info("Initialize firmware flash process\n");
+ err = mlxfw_dev->ops->fsm_lock(mlxfw_dev, &fwhandle);
+ if (err) {
+ pr_err("Could not lock the firmware FSM\n");
+ goto err_fsm_lock;
+ }
+
+ err = mlxfw_fsm_state_wait(mlxfw_dev, fwhandle,
+ MLXFW_FSM_STATE_LOCKED);
+ if (err)
+ goto err_state_wait_idle_to_locked;
+
+ err = mlxfw_flash_components(mlxfw_dev, fwhandle, mfa2_file);
+ if (err)
+ goto err_flash_components;
+
+ pr_debug("Activate image\n");
+ err = mlxfw_dev->ops->fsm_activate(mlxfw_dev, fwhandle);
+ if (err) {
+ pr_err("Could not activate the downloaded image\n");
+ goto err_fsm_activate;
+ }
+
+ err = mlxfw_fsm_state_wait(mlxfw_dev, fwhandle, MLXFW_FSM_STATE_LOCKED);
+ if (err)
+ goto err_state_wait_activate_to_locked;
+
+ pr_debug("Handle release\n");
+ mlxfw_dev->ops->fsm_release(mlxfw_dev, fwhandle);
+
+ pr_info("Firmware flash done.\n");
+ mlxfw_mfa2_file_fini(mfa2_file);
+ return 0;
+
+err_state_wait_activate_to_locked:
+err_fsm_activate:
+err_flash_components:
+err_state_wait_idle_to_locked:
+ mlxfw_dev->ops->fsm_release(mlxfw_dev, fwhandle);
+err_fsm_lock:
+ mlxfw_mfa2_file_fini(mfa2_file);
+ return err;
+}
+EXPORT_SYMBOL(mlxfw_firmware_flash);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Yotam Gigi <yotamg@mellanox.com>");
+MODULE_DESCRIPTION("Mellanox firmware flash lib");
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
new file mode 100644
index 0000000000000..7e9589061d30e
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
@@ -0,0 +1,620 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.c
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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.
+ */
+
+#define pr_fmt(fmt) "mlxfw_mfa2: " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/netlink.h>
+#include <linux/xz.h>
+#include "mlxfw_mfa2.h"
+#include "mlxfw_mfa2_file.h"
+#include "mlxfw_mfa2_tlv.h"
+#include "mlxfw_mfa2_format.h"
+#include "mlxfw_mfa2_tlv_multi.h"
+
+/* MFA2 FILE
+ * +----------------------------------+
+ * | MFA2 finger print |
+ * +----------------------------------+
+ * | package descriptor multi_tlv |
+ * | +------------------------------+ | +-----------------+
+ * | | package descriptor tlv +-----> |num_devices=n |
+ * | +------------------------------+ | |num_components=m |
+ * +----------------------------------+ |CB offset |
+ * | device descriptor multi_tlv | |... |
+ * | +------------------------------+ | | |
+ * | | PSID tlv | | +-----------------+
+ * | +------------------------------+ |
+ * | | component index tlv | |
+ * | +------------------------------+ |
+ * +----------------------------------+
+ * | component descriptor multi_tlv |
+ * | +------------------------------+ | +-----------------+
+ * | | component descriptor tlv +-----> |Among others: |
+ * | +------------------------------+ | |CB offset=o |
+ * +----------------------------------+ |comp index=i |
+ * | | |... |
+ * | | | |
+ * | | +-----------------+
+ * | COMPONENT BLOCK (CB) |
+ * | |
+ * | |
+ * | |
+ * +----------------------------------+
+ *
+ * On the top level, an MFA2 file contains:
+ * - Fingerprint
+ * - Several multi_tlvs (TLVs of type MLXFW_MFA2_TLV_MULTI, as defined in
+ * mlxfw_mfa2_format.h)
+ * - Compresses content block
+ *
+ * The first multi_tlv
+ * -------------------
+ * The first multi TLV is treated as package descriptor, and expected to have a
+ * first TLV child of type MLXFW_MFA2_TLV_PACKAGE_DESCRIPTOR which contains all
+ * the global information needed to parse the file. Among others, it contains
+ * the number of device descriptors and component descriptor following this
+ * multi TLV.
+ *
+ * The device descriptor multi_tlv
+ * -------------------------------
+ * The multi TLVs following the package descriptor are treated as device
+ * descriptor, and are expected to have the following children:
+ * - PSID TLV child of type MLXFW_MFA2_TLV_PSID containing that device PSID.
+ * - Component index of type MLXFW_MFA2_TLV_COMPONENT_PTR that contains that
+ * device component index.
+ *
+ * The component descriptor multi_tlv
+ * ----------------------------------
+ * The multi TLVs following the device descriptor multi TLVs are treated as
+ * component descriptor, and are expected to have a first child of type
+ * MLXFW_MFA2_TLV_COMPONENT_DESCRIPTOR that contains mostly the component index,
+ * needed for the flash process and the offset to the binary within the
+ * component block.
+ */
+
+static const u8 mlxfw_mfa2_fingerprint[] = "MLNX.MFA2.XZ.00!";
+static const int mlxfw_mfa2_fingerprint_len =
+ sizeof(mlxfw_mfa2_fingerprint) - 1;
+
+static const u8 mlxfw_mfa2_comp_magic[] = "#BIN.COMPONENT!#";
+static const int mlxfw_mfa2_comp_magic_len = sizeof(mlxfw_mfa2_comp_magic) - 1;
+
+bool mlxfw_mfa2_check(const struct firmware *fw)
+{
+ if (fw->size < sizeof(mlxfw_mfa2_fingerprint))
+ return false;
+
+ return memcmp(fw->data, mlxfw_mfa2_fingerprint,
+ mlxfw_mfa2_fingerprint_len) == 0;
+}
+
+static bool
+mlxfw_mfa2_tlv_multi_validate(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi)
+{
+ const struct mlxfw_mfa2_tlv *tlv;
+ u16 idx;
+
+ /* Check that all children are valid */
+ mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) {
+ if (!tlv) {
+ pr_err("Multi has invalid child");
+ return false;
+ }
+ }
+ return true;
+}
+
+static bool
+mlxfw_mfa2_file_dev_validate(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *dev_tlv,
+ u16 dev_idx)
+{
+ const struct mlxfw_mfa2_tlv_component_ptr *cptr;
+ const struct mlxfw_mfa2_tlv_multi *multi;
+ const struct mlxfw_mfa2_tlv_psid *psid;
+ const struct mlxfw_mfa2_tlv *tlv;
+ u16 cptr_count;
+ u16 cptr_idx;
+ int err;
+
+ pr_debug("Device %d\n", dev_idx);
+
+ multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, dev_tlv);
+ if (!multi) {
+ pr_err("Device %d is not a valid TLV error\n", dev_idx);
+ return false;
+ }
+
+ if (!mlxfw_mfa2_tlv_multi_validate(mfa2_file, multi))
+ return false;
+
+ /* Validate the device has PSID tlv */
+ tlv = mlxfw_mfa2_tlv_multi_child_find(mfa2_file, multi,
+ MLXFW_MFA2_TLV_PSID, 0);
+ if (!tlv) {
+ pr_err("Device %d does not have PSID\n", dev_idx);
+ return false;
+ }
+
+ psid = mlxfw_mfa2_tlv_psid_get(mfa2_file, tlv);
+ if (!psid) {
+ pr_err("Device %d PSID TLV is not valid\n", dev_idx);
+ return false;
+ }
+
+ print_hex_dump_debug(" -- Device PSID ", DUMP_PREFIX_NONE, 16, 16,
+ psid->psid, be16_to_cpu(tlv->len), true);
+
+ /* Validate the device has COMPONENT_PTR */
+ err = mlxfw_mfa2_tlv_multi_child_count(mfa2_file, multi,
+ MLXFW_MFA2_TLV_COMPONENT_PTR,
+ &cptr_count);
+ if (err)
+ return false;
+
+ if (cptr_count == 0) {
+ pr_err("Device %d has no components\n", dev_idx);
+ return false;
+ }
+
+ for (cptr_idx = 0; cptr_idx < cptr_count; cptr_idx++) {
+ tlv = mlxfw_mfa2_tlv_multi_child_find(mfa2_file, multi,
+ MLXFW_MFA2_TLV_COMPONENT_PTR,
+ cptr_idx);
+ if (!tlv)
+ return false;
+
+ cptr = mlxfw_mfa2_tlv_component_ptr_get(mfa2_file, tlv);
+ if (!cptr) {
+ pr_err("Device %d COMPONENT_PTR TLV is not valid\n",
+ dev_idx);
+ return false;
+ }
+
+ pr_debug(" -- Component index %d\n",
+ be16_to_cpu(cptr->component_index));
+ }
+ return true;
+}
+
+static bool
+mlxfw_mfa2_file_comp_validate(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *comp_tlv,
+ u16 comp_idx)
+{
+ const struct mlxfw_mfa2_tlv_component_descriptor *cdesc;
+ const struct mlxfw_mfa2_tlv_multi *multi;
+ const struct mlxfw_mfa2_tlv *tlv;
+
+ pr_debug("Component %d\n", comp_idx);
+
+ multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, comp_tlv);
+ if (!multi) {
+ pr_err("Component %d is not a valid TLV error\n", comp_idx);
+ return false;
+ }
+
+ if (!mlxfw_mfa2_tlv_multi_validate(mfa2_file, multi))
+ return false;
+
+ /* Check that component have COMPONENT_DESCRIPTOR as first child */
+ tlv = mlxfw_mfa2_tlv_multi_child(mfa2_file, multi);
+ if (!tlv) {
+ pr_err("Component descriptor %d multi TLV error\n", comp_idx);
+ return false;
+ }
+
+ cdesc = mlxfw_mfa2_tlv_component_descriptor_get(mfa2_file, tlv);
+ if (!cdesc) {
+ pr_err("Component %d does not have a valid descriptor\n",
+ comp_idx);
+ return false;
+ }
+ pr_debug(" -- Component type %d\n", be16_to_cpu(cdesc->identifier));
+ pr_debug(" -- Offset 0x%llx and size %d\n",
+ ((u64) be32_to_cpu(cdesc->cb_offset_h) << 32)
+ | be32_to_cpu(cdesc->cb_offset_l), be32_to_cpu(cdesc->size));
+
+ return true;
+}
+
+static bool mlxfw_mfa2_file_validate(const struct mlxfw_mfa2_file *mfa2_file)
+{
+ const struct mlxfw_mfa2_tlv *tlv;
+ u16 idx;
+
+ pr_debug("Validating file\n");
+
+ /* check that all the devices exist */
+ mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, mfa2_file->first_dev,
+ mfa2_file->dev_count) {
+ if (!tlv) {
+ pr_err("Device TLV error\n");
+ return false;
+ }
+
+ /* Check each device */
+ if (!mlxfw_mfa2_file_dev_validate(mfa2_file, tlv, idx))
+ return false;
+ }
+
+ /* check that all the components exist */
+ mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, mfa2_file->first_component,
+ mfa2_file->component_count) {
+ if (!tlv) {
+ pr_err("Device TLV error\n");
+ return false;
+ }
+
+ /* Check each component */
+ if (!mlxfw_mfa2_file_comp_validate(mfa2_file, tlv, idx))
+ return false;
+ }
+ return true;
+}
+
+struct mlxfw_mfa2_file *mlxfw_mfa2_file_init(const struct firmware *fw)
+{
+ const struct mlxfw_mfa2_tlv_package_descriptor *pd;
+ const struct mlxfw_mfa2_tlv_multi *multi;
+ const struct mlxfw_mfa2_tlv *multi_child;
+ const struct mlxfw_mfa2_tlv *first_tlv;
+ struct mlxfw_mfa2_file *mfa2_file;
+ const void *first_tlv_ptr;
+ const void *cb_top_ptr;
+
+ mfa2_file = kcalloc(1, sizeof(*mfa2_file), GFP_KERNEL);
+ if (!mfa2_file)
+ return ERR_PTR(-ENOMEM);
+
+ mfa2_file->fw = fw;
+ first_tlv_ptr = fw->data + NLA_ALIGN(mlxfw_mfa2_fingerprint_len);
+ first_tlv = mlxfw_mfa2_tlv_get(mfa2_file, first_tlv_ptr);
+ if (!first_tlv) {
+ pr_err("Could not parse package descriptor TLV\n");
+ goto err_out;
+ }
+
+ multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, first_tlv);
+ if (!multi) {
+ pr_err("First TLV is not of valid multi type\n");
+ goto err_out;
+ }
+
+ multi_child = mlxfw_mfa2_tlv_multi_child(mfa2_file, multi);
+ if (!multi_child)
+ goto err_out;
+
+ pd = mlxfw_mfa2_tlv_package_descriptor_get(mfa2_file, multi_child);
+ if (!pd) {
+ pr_err("Could not parse package descriptor TLV\n");
+ goto err_out;
+ }
+
+ mfa2_file->first_dev = mlxfw_mfa2_tlv_next(mfa2_file, first_tlv);
+ if (!mfa2_file->first_dev) {
+ pr_err("First device TLV is not valid\n");
+ goto err_out;
+ }
+
+ mfa2_file->dev_count = be16_to_cpu(pd->num_devices);
+ mfa2_file->first_component = mlxfw_mfa2_tlv_advance(mfa2_file,
+ mfa2_file->first_dev,
+ mfa2_file->dev_count);
+ mfa2_file->component_count = be16_to_cpu(pd->num_components);
+ mfa2_file->cb = fw->data + NLA_ALIGN(be32_to_cpu(pd->cb_offset));
+ if (!mlxfw_mfa2_valid_ptr(mfa2_file, mfa2_file->cb)) {
+ pr_err("Component block is out side the file\n");
+ goto err_out;
+ }
+ mfa2_file->cb_archive_size = be32_to_cpu(pd->cb_archive_size);
+ cb_top_ptr = mfa2_file->cb + mfa2_file->cb_archive_size - 1;
+ if (!mlxfw_mfa2_valid_ptr(mfa2_file, cb_top_ptr)) {
+ pr_err("Component block size is too big\n");
+ goto err_out;
+ }
+
+ if (!mlxfw_mfa2_file_validate(mfa2_file))
+ goto err_out;
+ return mfa2_file;
+err_out:
+ kfree(mfa2_file);
+ return ERR_PTR(-EINVAL);
+}
+
+static const struct mlxfw_mfa2_tlv_multi *
+mlxfw_mfa2_tlv_dev_get(const struct mlxfw_mfa2_file *mfa2_file,
+ const char *psid, u16 psid_size)
+{
+ const struct mlxfw_mfa2_tlv_psid *tlv_psid;
+ const struct mlxfw_mfa2_tlv_multi *dev_multi;
+ const struct mlxfw_mfa2_tlv *dev_tlv;
+ const struct mlxfw_mfa2_tlv *tlv;
+ u32 idx;
+
+ /* for each device tlv */
+ mlxfw_mfa2_tlv_foreach(mfa2_file, dev_tlv, idx, mfa2_file->first_dev,
+ mfa2_file->dev_count) {
+ if (!dev_tlv)
+ return NULL;
+
+ dev_multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, dev_tlv);
+ if (!dev_multi)
+ return NULL;
+
+ /* find psid child and compare */
+ tlv = mlxfw_mfa2_tlv_multi_child_find(mfa2_file, dev_multi,
+ MLXFW_MFA2_TLV_PSID, 0);
+ if (!tlv)
+ return NULL;
+ if (be16_to_cpu(tlv->len) != psid_size)
+ continue;
+
+ tlv_psid = mlxfw_mfa2_tlv_psid_get(mfa2_file, tlv);
+ if (!tlv_psid)
+ return NULL;
+
+ if (memcmp(psid, tlv_psid->psid, psid_size) == 0)
+ return dev_multi;
+ }
+
+ return NULL;
+}
+
+int mlxfw_mfa2_file_component_count(const struct mlxfw_mfa2_file *mfa2_file,
+ const char *psid, u32 psid_size,
+ u32 *p_count)
+{
+ const struct mlxfw_mfa2_tlv_multi *dev_multi;
+ u16 count;
+ int err;
+
+ dev_multi = mlxfw_mfa2_tlv_dev_get(mfa2_file, psid, psid_size);
+ if (!dev_multi)
+ return -EINVAL;
+
+ err = mlxfw_mfa2_tlv_multi_child_count(mfa2_file, dev_multi,
+ MLXFW_MFA2_TLV_COMPONENT_PTR,
+ &count);
+ if (err)
+ return err;
+
+ *p_count = count;
+ return 0;
+}
+
+static int mlxfw_mfa2_xz_dec_run(struct xz_dec *xz_dec, struct xz_buf *xz_buf,
+ bool *finished)
+{
+ enum xz_ret xz_ret;
+
+ xz_ret = xz_dec_run(xz_dec, xz_buf);
+
+ switch (xz_ret) {
+ case XZ_STREAM_END:
+ *finished = true;
+ return 0;
+ case XZ_OK:
+ *finished = false;
+ return 0;
+ case XZ_MEM_ERROR:
+ pr_err("xz no memory\n");
+ return -ENOMEM;
+ case XZ_DATA_ERROR:
+ pr_err("xz file corrupted\n");
+ return -EINVAL;
+ case XZ_FORMAT_ERROR:
+ pr_err("xz format not found\n");
+ return -EINVAL;
+ case XZ_OPTIONS_ERROR:
+ pr_err("unsupported xz option\n");
+ return -EINVAL;
+ case XZ_MEMLIMIT_ERROR:
+ pr_err("xz dictionary too small\n");
+ return -EINVAL;
+ default:
+ pr_err("xz error %d\n", xz_ret);
+ return -EINVAL;
+ }
+}
+
+static int mlxfw_mfa2_file_cb_offset_xz(const struct mlxfw_mfa2_file *mfa2_file,
+ off_t off, size_t size, u8 *buf)
+{
+ struct xz_dec *xz_dec;
+ struct xz_buf dec_buf;
+ off_t curr_off = 0;
+ bool finished;
+ int err;
+
+ xz_dec = xz_dec_init(XZ_DYNALLOC, (u32) -1);
+ if (!xz_dec)
+ return -EINVAL;
+
+ dec_buf.in_size = mfa2_file->cb_archive_size;
+ dec_buf.in = mfa2_file->cb;
+ dec_buf.in_pos = 0;
+ dec_buf.out = buf;
+
+ /* decode up to the offset */
+ do {
+ dec_buf.out_pos = 0;
+ dec_buf.out_size = min_t(size_t, size, off - curr_off);
+ if (dec_buf.out_size == 0)
+ break;
+
+ err = mlxfw_mfa2_xz_dec_run(xz_dec, &dec_buf, &finished);
+ if (err)
+ goto out;
+ if (finished) {
+ pr_err("xz section too short\n");
+ err = -EINVAL;
+ goto out;
+ }
+ curr_off += dec_buf.out_pos;
+ } while (curr_off != off);
+
+ /* decode the needed section */
+ dec_buf.out_pos = 0;
+ dec_buf.out_size = size;
+ err = mlxfw_mfa2_xz_dec_run(xz_dec, &dec_buf, &finished);
+ if (err)
+ goto out;
+out:
+ xz_dec_end(xz_dec);
+ return err;
+}
+
+static const struct mlxfw_mfa2_tlv_component_descriptor *
+mlxfw_mfa2_file_component_tlv_get(const struct mlxfw_mfa2_file *mfa2_file,
+ u16 comp_index)
+{
+ const struct mlxfw_mfa2_tlv_multi *multi;
+ const struct mlxfw_mfa2_tlv *multi_child;
+ const struct mlxfw_mfa2_tlv *comp_tlv;
+
+ if (comp_index > mfa2_file->component_count)
+ return NULL;
+
+ comp_tlv = mlxfw_mfa2_tlv_advance(mfa2_file, mfa2_file->first_component,
+ comp_index);
+ if (!comp_tlv)
+ return NULL;
+
+ multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, comp_tlv);
+ if (!multi)
+ return NULL;
+
+ multi_child = mlxfw_mfa2_tlv_multi_child(mfa2_file, multi);
+ if (!multi_child)
+ return NULL;
+
+ return mlxfw_mfa2_tlv_component_descriptor_get(mfa2_file, multi_child);
+}
+
+struct mlxfw_mfa2_comp_data {
+ struct mlxfw_mfa2_component comp;
+ u8 buff[0];
+};
+
+static const struct mlxfw_mfa2_tlv_component_descriptor *
+mlxfw_mfa2_file_component_find(const struct mlxfw_mfa2_file *mfa2_file,
+ const char *psid, int psid_size,
+ int component_index)
+{
+ const struct mlxfw_mfa2_tlv_component_ptr *cptr;
+ const struct mlxfw_mfa2_tlv_multi *dev_multi;
+ const struct mlxfw_mfa2_tlv *cptr_tlv;
+ u16 comp_idx;
+
+ dev_multi = mlxfw_mfa2_tlv_dev_get(mfa2_file, psid, psid_size);
+ if (!dev_multi)
+ return NULL;
+
+ cptr_tlv = mlxfw_mfa2_tlv_multi_child_find(mfa2_file, dev_multi,
+ MLXFW_MFA2_TLV_COMPONENT_PTR,
+ component_index);
+ if (!cptr_tlv)
+ return NULL;
+
+ cptr = mlxfw_mfa2_tlv_component_ptr_get(mfa2_file, cptr_tlv);
+ if (!cptr)
+ return NULL;
+
+ comp_idx = be16_to_cpu(cptr->component_index);
+ return mlxfw_mfa2_file_component_tlv_get(mfa2_file, comp_idx);
+}
+
+struct mlxfw_mfa2_component *
+mlxfw_mfa2_file_component_get(const struct mlxfw_mfa2_file *mfa2_file,
+ const char *psid, int psid_size,
+ int component_index)
+{
+ const struct mlxfw_mfa2_tlv_component_descriptor *comp;
+ struct mlxfw_mfa2_comp_data *comp_data;
+ u32 comp_buf_size;
+ off_t cb_offset;
+ u32 comp_size;
+ int err;
+
+ comp = mlxfw_mfa2_file_component_find(mfa2_file, psid, psid_size,
+ component_index);
+ if (!comp)
+ return ERR_PTR(-EINVAL);
+
+ cb_offset = (u64) be32_to_cpu(comp->cb_offset_h) << 32 |
+ be32_to_cpu(comp->cb_offset_l);
+ comp_size = be32_to_cpu(comp->size);
+ comp_buf_size = comp_size + mlxfw_mfa2_comp_magic_len;
+
+ comp_data = kmalloc(sizeof(*comp_data) + comp_buf_size, GFP_KERNEL);
+ if (!comp_data)
+ return ERR_PTR(-ENOMEM);
+ comp_data->comp.data_size = comp_size;
+ comp_data->comp.index = be16_to_cpu(comp->identifier);
+ err = mlxfw_mfa2_file_cb_offset_xz(mfa2_file, cb_offset, comp_buf_size,
+ comp_data->buff);
+ if (err) {
+ pr_err("Component could not be reached in CB\n");
+ goto err_out;
+ }
+
+ if (memcmp(comp_data->buff, mlxfw_mfa2_comp_magic,
+ mlxfw_mfa2_comp_magic_len) != 0) {
+ pr_err("Component has wrong magic\n");
+ goto err_out;
+ }
+
+ comp_data->comp.data = comp_data->buff + mlxfw_mfa2_comp_magic_len;
+ return &comp_data->comp;
+err_out:
+ kfree(comp_data);
+ return ERR_PTR(err);
+}
+
+void mlxfw_mfa2_file_component_put(struct mlxfw_mfa2_component *comp)
+{
+ const struct mlxfw_mfa2_comp_data *comp_data;
+
+ comp_data = container_of(comp, struct mlxfw_mfa2_comp_data, comp);
+ kfree(comp_data);
+}
+
+void mlxfw_mfa2_file_fini(struct mlxfw_mfa2_file *mfa2_file)
+{
+ kfree(mfa2_file);
+}
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.h b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.h
new file mode 100644
index 0000000000000..20472aa139cd4
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.h
@@ -0,0 +1,66 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2.h
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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 _MLXFW_MFA2_H
+#define _MLXFW_MFA2_H
+
+#include <linux/firmware.h>
+#include "mlxfw.h"
+
+struct mlxfw_mfa2_component {
+ u16 index;
+ u32 data_size;
+ u8 *data;
+};
+
+struct mlxfw_mfa2_file;
+
+bool mlxfw_mfa2_check(const struct firmware *fw);
+
+struct mlxfw_mfa2_file *mlxfw_mfa2_file_init(const struct firmware *fw);
+
+int mlxfw_mfa2_file_component_count(const struct mlxfw_mfa2_file *mfa2_file,
+ const char *psid, u32 psid_size,
+ u32 *p_count);
+
+struct mlxfw_mfa2_component *
+mlxfw_mfa2_file_component_get(const struct mlxfw_mfa2_file *mfa2_file,
+ const char *psid, int psid_size,
+ int component_index);
+
+void mlxfw_mfa2_file_component_put(struct mlxfw_mfa2_component *component);
+
+void mlxfw_mfa2_file_fini(struct mlxfw_mfa2_file *mfa2_file);
+
+#endif
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_file.h b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_file.h
new file mode 100644
index 0000000000000..f667942b1ea39
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_file.h
@@ -0,0 +1,60 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_file.h
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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 _MLXFW_MFA2_FILE_H
+#define _MLXFW_MFA2_FILE_H
+
+#include <linux/firmware.h>
+#include <linux/kernel.h>
+
+struct mlxfw_mfa2_file {
+ const struct firmware *fw;
+ const struct mlxfw_mfa2_tlv *first_dev;
+ u16 dev_count;
+ const struct mlxfw_mfa2_tlv *first_component;
+ u16 component_count;
+ const void *cb; /* components block */
+ u32 cb_archive_size; /* size of compressed components block */
+};
+
+static inline bool mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file *mfa2_file,
+ const void *ptr)
+{
+ const void *valid_to = mfa2_file->fw->data + mfa2_file->fw->size;
+ const void *valid_from = mfa2_file->fw->data;
+
+ return ptr > valid_from && ptr < valid_to;
+}
+
+#endif
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_format.h b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_format.h
new file mode 100644
index 0000000000000..dd66737c033d2
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_format.h
@@ -0,0 +1,103 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_format.h
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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 _MLXFW_MFA2_FORMAT_H
+#define _MLXFW_MFA2_FORMAT_H
+
+#include "mlxfw_mfa2_file.h"
+#include "mlxfw_mfa2_tlv.h"
+
+enum mlxfw_mfa2_tlv_type {
+ MLXFW_MFA2_TLV_MULTI_PART = 0x01,
+ MLXFW_MFA2_TLV_PACKAGE_DESCRIPTOR = 0x02,
+ MLXFW_MFA2_TLV_COMPONENT_DESCRIPTOR = 0x04,
+ MLXFW_MFA2_TLV_COMPONENT_PTR = 0x22,
+ MLXFW_MFA2_TLV_PSID = 0x2A,
+};
+
+enum mlxfw_mfa2_compression_type {
+ MLXFW_MFA2_COMPRESSION_TYPE_NONE,
+ MLXFW_MFA2_COMPRESSION_TYPE_XZ,
+};
+
+struct mlxfw_mfa2_tlv_package_descriptor {
+ __be16 num_components;
+ __be16 num_devices;
+ __be32 cb_offset;
+ __be32 cb_archive_size;
+ __be32 cb_size_h;
+ __be32 cb_size_l;
+ u8 padding[3];
+ u8 cv_compression;
+ __be32 user_data_offset;
+} __packed;
+
+MLXFW_MFA2_TLV(package_descriptor, struct mlxfw_mfa2_tlv_package_descriptor,
+ MLXFW_MFA2_TLV_PACKAGE_DESCRIPTOR);
+
+struct mlxfw_mfa2_tlv_multi {
+ __be16 num_extensions;
+ __be16 total_len;
+} __packed;
+
+MLXFW_MFA2_TLV(multi, struct mlxfw_mfa2_tlv_multi,
+ MLXFW_MFA2_TLV_MULTI_PART);
+
+struct mlxfw_mfa2_tlv_psid {
+ u8 psid[0];
+} __packed;
+
+MLXFW_MFA2_TLV_VARSIZE(psid, struct mlxfw_mfa2_tlv_psid,
+ MLXFW_MFA2_TLV_PSID);
+
+struct mlxfw_mfa2_tlv_component_ptr {
+ __be16 storage_id;
+ __be16 component_index;
+ __be32 storage_address;
+} __packed;
+
+MLXFW_MFA2_TLV(component_ptr, struct mlxfw_mfa2_tlv_component_ptr,
+ MLXFW_MFA2_TLV_COMPONENT_PTR);
+
+struct mlxfw_mfa2_tlv_component_descriptor {
+ __be16 pldm_classification;
+ __be16 identifier;
+ __be32 cb_offset_h;
+ __be32 cb_offset_l;
+ __be32 size;
+} __packed;
+
+MLXFW_MFA2_TLV(component_descriptor, struct mlxfw_mfa2_tlv_component_descriptor,
+ MLXFW_MFA2_TLV_COMPONENT_DESCRIPTOR);
+
+#endif
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv.h b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv.h
new file mode 100644
index 0000000000000..cc013e77b3266
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv.h
@@ -0,0 +1,98 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv.h
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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 _MLXFW_MFA2_TLV_H
+#define _MLXFW_MFA2_TLV_H
+
+#include <linux/kernel.h>
+#include "mlxfw_mfa2_file.h"
+
+struct mlxfw_mfa2_tlv {
+ u8 version;
+ u8 type;
+ __be16 len;
+ u8 data[0];
+} __packed;
+
+static inline const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_get(const struct mlxfw_mfa2_file *mfa2_file, const void *ptr)
+{
+ if (!mlxfw_mfa2_valid_ptr(mfa2_file, ptr) ||
+ !mlxfw_mfa2_valid_ptr(mfa2_file, ptr + sizeof(struct mlxfw_mfa2_tlv)))
+ return NULL;
+ return ptr;
+}
+
+static inline const void *
+mlxfw_mfa2_tlv_payload_get(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *tlv, u8 payload_type,
+ size_t payload_size, bool varsize)
+{
+ void *tlv_top;
+
+ tlv_top = (void *) tlv + be16_to_cpu(tlv->len) - 1;
+ if (!mlxfw_mfa2_valid_ptr(mfa2_file, tlv) ||
+ !mlxfw_mfa2_valid_ptr(mfa2_file, tlv_top))
+ return NULL;
+ if (tlv->type != payload_type)
+ return NULL;
+ if (varsize && (be16_to_cpu(tlv->len) < payload_size))
+ return NULL;
+ if (!varsize && (be16_to_cpu(tlv->len) != payload_size))
+ return NULL;
+
+ return tlv->data;
+}
+
+#define MLXFW_MFA2_TLV(name, payload_type, tlv_type) \
+static inline const payload_type * \
+mlxfw_mfa2_tlv_ ## name ## _get(const struct mlxfw_mfa2_file *mfa2_file, \
+ const struct mlxfw_mfa2_tlv *tlv) \
+{ \
+ return mlxfw_mfa2_tlv_payload_get(mfa2_file, tlv, \
+ tlv_type, sizeof(payload_type), \
+ false); \
+}
+
+#define MLXFW_MFA2_TLV_VARSIZE(name, payload_type, tlv_type) \
+static inline const payload_type * \
+mlxfw_mfa2_tlv_ ## name ## _get(const struct mlxfw_mfa2_file *mfa2_file, \
+ const struct mlxfw_mfa2_tlv *tlv) \
+{ \
+ return mlxfw_mfa2_tlv_payload_get(mfa2_file, tlv, \
+ tlv_type, sizeof(payload_type), \
+ true); \
+}
+
+#endif
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c
new file mode 100644
index 0000000000000..0094b92a233ba
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c
@@ -0,0 +1,126 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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.
+ */
+
+#define pr_fmt(fmt) "MFA2: " fmt
+
+#include "mlxfw_mfa2_tlv_multi.h"
+#include <uapi/linux/netlink.h>
+
+#define MLXFW_MFA2_TLV_TOTAL_SIZE(tlv) \
+ NLA_ALIGN(sizeof(*(tlv)) + be16_to_cpu((tlv)->len))
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_multi_child(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi)
+{
+ size_t multi_len;
+
+ multi_len = NLA_ALIGN(sizeof(struct mlxfw_mfa2_tlv_multi));
+ return mlxfw_mfa2_tlv_get(mfa2_file, (void *) multi + multi_len);
+}
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *tlv)
+{
+ const struct mlxfw_mfa2_tlv_multi *multi;
+ u16 tlv_len;
+ void *next;
+
+ tlv_len = MLXFW_MFA2_TLV_TOTAL_SIZE(tlv);
+
+ if (tlv->type == MLXFW_MFA2_TLV_MULTI_PART) {
+ multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, tlv);
+ tlv_len = NLA_ALIGN(tlv_len + be16_to_cpu(multi->total_len));
+ }
+
+ next = (void *) tlv + tlv_len;
+ return mlxfw_mfa2_tlv_get(mfa2_file, next);
+}
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_advance(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *from_tlv, u16 count)
+{
+ const struct mlxfw_mfa2_tlv *tlv;
+ u16 idx;
+
+ mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, from_tlv, count)
+ if (!tlv)
+ return NULL;
+ return tlv;
+}
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_multi_child_find(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi,
+ enum mlxfw_mfa2_tlv_type type, u16 index)
+{
+ const struct mlxfw_mfa2_tlv *tlv;
+ u16 skip = 0;
+ u16 idx;
+
+ mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) {
+ if (!tlv) {
+ pr_err("TLV parsing error\n");
+ return NULL;
+ }
+ if (tlv->type == type)
+ if (skip++ == index)
+ return tlv;
+ }
+ return NULL;
+}
+
+int mlxfw_mfa2_tlv_multi_child_count(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi,
+ enum mlxfw_mfa2_tlv_type type,
+ u16 *p_count)
+{
+ const struct mlxfw_mfa2_tlv *tlv;
+ u16 count = 0;
+ u16 idx;
+
+ mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) {
+ if (!tlv) {
+ pr_err("TLV parsing error\n");
+ return -EINVAL;
+ }
+
+ if (tlv->type == type)
+ count++;
+ }
+ *p_count = count;
+ return 0;
+}
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.h b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.h
new file mode 100644
index 0000000000000..2c667894f3a23
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.h
@@ -0,0 +1,71 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.h
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders 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") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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 OWNER 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 _MLXFW_MFA2_TLV_MULTI_H
+#define _MLXFW_MFA2_TLV_MULTI_H
+
+#include "mlxfw_mfa2_tlv.h"
+#include "mlxfw_mfa2_format.h"
+#include "mlxfw_mfa2_file.h"
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_multi_child(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi);
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *tlv);
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_advance(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv *from_tlv, u16 count);
+
+const struct mlxfw_mfa2_tlv *
+mlxfw_mfa2_tlv_multi_child_find(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi,
+ enum mlxfw_mfa2_tlv_type type, u16 index);
+
+int mlxfw_mfa2_tlv_multi_child_count(const struct mlxfw_mfa2_file *mfa2_file,
+ const struct mlxfw_mfa2_tlv_multi *multi,
+ enum mlxfw_mfa2_tlv_type type,
+ u16 *p_count);
+
+#define mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, from_tlv, count) \
+ for (idx = 0, tlv = from_tlv; idx < (count); \
+ idx++, tlv = mlxfw_mfa2_tlv_next(mfa2_file, tlv))
+
+#define mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) \
+ mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, \
+ mlxfw_mfa2_tlv_multi_child(mfa2_file, multi), \
+ be16_to_cpu(multi->num_extensions) + 1)
+#endif
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Kconfig b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
index ef23eaedc2ff4..b9f80c2a8ae92 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
@@ -75,6 +75,7 @@ config MLXSW_SPECTRUM
depends on MLXSW_CORE && MLXSW_PCI && NET_SWITCHDEV && VLAN_8021Q
depends on PSAMPLE || PSAMPLE=n
select PARMAN
+ select MLXFW
default m
---help---
This driver supports Mellanox Technologies Spectrum Ethernet
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h
index 7fb35395adf52..6e966af72fc44 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -344,15 +344,17 @@ struct mlxsw_bus {
u8 features;
};
+struct mlxsw_fw_rev {
+ u16 major;
+ u16 minor;
+ u16 subminor;
+};
+
struct mlxsw_bus_info {
const char *device_kind;
const char *device_name;
struct device *dev;
- struct {
- u16 major;
- u16 minor;
- u16 subminor;
- } fw_rev;
+ struct mlxsw_fw_rev fw_rev;
u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];
};
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 83b277c8090e3..182150afd5ad5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -5643,6 +5643,222 @@ static inline void mlxsw_reg_mlcr_pack(char *payload, u8 local_port,
MLXSW_REG_MLCR_DURATION_MAX : 0);
}
+/* MCQI - Management Component Query Information
+ * ---------------------------------------------
+ * This register allows querying information about firmware components.
+ */
+#define MLXSW_REG_MCQI_ID 0x9061
+#define MLXSW_REG_MCQI_BASE_LEN 0x18
+#define MLXSW_REG_MCQI_CAP_LEN 0x14
+#define MLXSW_REG_MCQI_LEN (MLXSW_REG_MCQI_BASE_LEN + MLXSW_REG_MCQI_CAP_LEN)
+
+MLXSW_REG_DEFINE(mcqi, MLXSW_REG_MCQI_ID, MLXSW_REG_MCQI_LEN);
+
+/* reg_mcqi_component_index
+ * Index of the accessed component.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, mcqi, component_index, 0x00, 0, 16);
+
+enum mlxfw_reg_mcqi_info_type {
+ MLXSW_REG_MCQI_INFO_TYPE_CAPABILITIES,
+};
+
+/* reg_mcqi_info_type
+ * Component properties set.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcqi, info_type, 0x08, 0, 5);
+
+/* reg_mcqi_offset
+ * The requested/returned data offset from the section start, given in bytes.
+ * Must be DWORD aligned.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcqi, offset, 0x10, 0, 32);
+
+/* reg_mcqi_data_size
+ * The requested/returned data size, given in bytes. If data_size is not DWORD
+ * aligned, the last bytes are zero padded.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcqi, data_size, 0x14, 0, 16);
+
+/* reg_mcqi_cap_max_component_size
+ * Maximum size for this component, given in bytes.
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, mcqi, cap_max_component_size, 0x20, 0, 32);
+
+/* reg_mcqi_cap_log_mcda_word_size
+ * Log 2 of the access word size in bytes. Read and write access must be aligned
+ * to the word size. Write access must be done for an integer number of words.
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, mcqi, cap_log_mcda_word_size, 0x24, 28, 4);
+
+/* reg_mcqi_cap_mcda_max_write_size
+ * Maximal write size for MCDA register
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, mcqi, cap_mcda_max_write_size, 0x24, 0, 16);
+
+static inline void mlxsw_reg_mcqi_pack(char *payload, u16 component_index)
+{
+ MLXSW_REG_ZERO(mcqi, payload);
+ mlxsw_reg_mcqi_component_index_set(payload, component_index);
+ mlxsw_reg_mcqi_info_type_set(payload,
+ MLXSW_REG_MCQI_INFO_TYPE_CAPABILITIES);
+ mlxsw_reg_mcqi_offset_set(payload, 0);
+ mlxsw_reg_mcqi_data_size_set(payload, MLXSW_REG_MCQI_CAP_LEN);
+}
+
+static inline void mlxsw_reg_mcqi_unpack(char *payload,
+ u32 *p_cap_max_component_size,
+ u8 *p_cap_log_mcda_word_size,
+ u16 *p_cap_mcda_max_write_size)
+{
+ *p_cap_max_component_size =
+ mlxsw_reg_mcqi_cap_max_component_size_get(payload);
+ *p_cap_log_mcda_word_size =
+ mlxsw_reg_mcqi_cap_log_mcda_word_size_get(payload);
+ *p_cap_mcda_max_write_size =
+ mlxsw_reg_mcqi_cap_mcda_max_write_size_get(payload);
+}
+
+/* MCC - Management Component Control
+ * ----------------------------------
+ * Controls the firmware component and updates the FSM.
+ */
+#define MLXSW_REG_MCC_ID 0x9062
+#define MLXSW_REG_MCC_LEN 0x1C
+
+MLXSW_REG_DEFINE(mcc, MLXSW_REG_MCC_ID, MLXSW_REG_MCC_LEN);
+
+enum mlxsw_reg_mcc_instruction {
+ MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE = 0x01,
+ MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE = 0x02,
+ MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT = 0x03,
+ MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT = 0x04,
+ MLXSW_REG_MCC_INSTRUCTION_ACTIVATE = 0x06,
+ MLXSW_REG_MCC_INSTRUCTION_CANCEL = 0x08,
+};
+
+/* reg_mcc_instruction
+ * Command to be executed by the FSM.
+ * Applicable for write operation only.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcc, instruction, 0x00, 0, 8);
+
+/* reg_mcc_component_index
+ * Index of the accessed component. Applicable only for commands that
+ * refer to components. Otherwise, this field is reserved.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, mcc, component_index, 0x04, 0, 16);
+
+/* reg_mcc_update_handle
+ * Token representing the current flow executed by the FSM.
+ * Access: WO
+ */
+MLXSW_ITEM32(reg, mcc, update_handle, 0x08, 0, 24);
+
+/* reg_mcc_error_code
+ * Indicates the successful completion of the instruction, or the reason it
+ * failed
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, mcc, error_code, 0x0C, 8, 8);
+
+/* reg_mcc_control_state
+ * Current FSM state
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, mcc, control_state, 0x0C, 0, 4);
+
+/* reg_mcc_component_size
+ * Component size in bytes. Valid for UPDATE_COMPONENT instruction. Specifying
+ * the size may shorten the update time. Value 0x0 means that size is
+ * unspecified.
+ * Access: WO
+ */
+MLXSW_ITEM32(reg, mcc, component_size, 0x10, 0, 32);
+
+static inline void mlxsw_reg_mcc_pack(char *payload,
+ enum mlxsw_reg_mcc_instruction instr,
+ u16 component_index, u32 update_handle,
+ u32 component_size)
+{
+ MLXSW_REG_ZERO(mcc, payload);
+ mlxsw_reg_mcc_instruction_set(payload, instr);
+ mlxsw_reg_mcc_component_index_set(payload, component_index);
+ mlxsw_reg_mcc_update_handle_set(payload, update_handle);
+ mlxsw_reg_mcc_component_size_set(payload, component_size);
+}
+
+static inline void mlxsw_reg_mcc_unpack(char *payload, u32 *p_update_handle,
+ u8 *p_error_code, u8 *p_control_state)
+{
+ if (p_update_handle)
+ *p_update_handle = mlxsw_reg_mcc_update_handle_get(payload);
+ if (p_error_code)
+ *p_error_code = mlxsw_reg_mcc_error_code_get(payload);
+ if (p_control_state)
+ *p_control_state = mlxsw_reg_mcc_control_state_get(payload);
+}
+
+/* MCDA - Management Component Data Access
+ * ---------------------------------------
+ * This register allows reading and writing a firmware component.
+ */
+#define MLXSW_REG_MCDA_ID 0x9063
+#define MLXSW_REG_MCDA_BASE_LEN 0x10
+#define MLXSW_REG_MCDA_MAX_DATA_LEN 0x80
+#define MLXSW_REG_MCDA_LEN \
+ (MLXSW_REG_MCDA_BASE_LEN + MLXSW_REG_MCDA_MAX_DATA_LEN)
+
+MLXSW_REG_DEFINE(mcda, MLXSW_REG_MCDA_ID, MLXSW_REG_MCDA_LEN);
+
+/* reg_mcda_update_handle
+ * Token representing the current flow executed by the FSM.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcda, update_handle, 0x00, 0, 24);
+
+/* reg_mcda_offset
+ * Offset of accessed address relative to component start. Accesses must be in
+ * accordance to log_mcda_word_size in MCQI reg.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcda, offset, 0x04, 0, 32);
+
+/* reg_mcda_size
+ * Size of the data accessed, given in bytes.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mcda, size, 0x08, 0, 16);
+
+/* reg_mcda_data
+ * Data block accessed.
+ * Access: RW
+ */
+MLXSW_ITEM32_INDEXED(reg, mcda, data, 0x10, 0, 32, 4, 0, false);
+
+static inline void mlxsw_reg_mcda_pack(char *payload, u32 update_handle,
+ u32 offset, u16 size, u8 *data)
+{
+ int i;
+
+ MLXSW_REG_ZERO(mcda, payload);
+ mlxsw_reg_mcda_update_handle_set(payload, update_handle);
+ mlxsw_reg_mcda_offset_set(payload, offset);
+ mlxsw_reg_mcda_size_set(payload, size);
+
+ for (i = 0; i < size / 4; i++)
+ mlxsw_reg_mcda_data_set(payload, i, *(u32 *) &data[i * 4]);
+}
+
/* MPSC - Monitoring Packet Sampling Configuration Register
* --------------------------------------------------------
* MPSC Register is used to configure the Packet Sampling mechanism.
@@ -6221,6 +6437,9 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(mpar),
MLXSW_REG(mlcr),
MLXSW_REG(mpsc),
+ MLXSW_REG(mcqi),
+ MLXSW_REG(mcc),
+ MLXSW_REG(mcda),
MLXSW_REG(mgpc),
MLXSW_REG(sbpr),
MLXSW_REG(sbcm),
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 8a165bbfcedc0..9594e9d215e86 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -68,6 +68,22 @@
#include "txheader.h"
#include "spectrum_cnt.h"
#include "spectrum_dpipe.h"
+#include "../mlxfw/mlxfw.h"
+
+#define MLXSW_FWREV_MAJOR 13
+#define MLXSW_FWREV_MINOR 1420
+#define MLXSW_FWREV_SUBMINOR 122
+
+static const struct mlxsw_fw_rev mlxsw_sp_supported_fw_rev = {
+ .major = MLXSW_FWREV_MAJOR,
+ .minor = MLXSW_FWREV_MINOR,
+ .subminor = MLXSW_FWREV_SUBMINOR
+};
+
+#define MLXSW_SP_FW_FILENAME \
+ "mlxsw_spectrum-" __stringify(MLXSW_FWREV_MAJOR) \
+ "." __stringify(MLXSW_FWREV_MINOR) \
+ "." __stringify(MLXSW_FWREV_SUBMINOR) ".mfa2"
static const char mlxsw_sp_driver_name[] = "mlxsw_spectrum";
static const char mlxsw_sp_driver_version[] = "1.0";
@@ -140,6 +156,216 @@ MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16);
*/
MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4);
+struct mlxsw_sp_mlxfw_dev {
+ struct mlxfw_dev mlxfw_dev;
+ struct mlxsw_sp *mlxsw_sp;
+};
+
+static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev,
+ u16 component_index, u32 *p_max_size,
+ u8 *p_align_bits, u16 *p_max_write_size)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcqi_pl[MLXSW_REG_MCQI_LEN];
+ int err;
+
+ mlxsw_reg_mcqi_pack(mcqi_pl, component_index);
+ err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl);
+ if (err)
+ return err;
+ mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits,
+ p_max_write_size);
+
+ *p_align_bits = max_t(u8, *p_align_bits, 2);
+ *p_max_write_size = min_t(u16, *p_max_write_size,
+ MLXSW_REG_MCDA_MAX_DATA_LEN);
+ return 0;
+}
+
+static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+ u8 control_state;
+ int err;
+
+ mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0);
+ err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+ if (err)
+ return err;
+
+ mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state);
+ if (control_state != MLXFW_FSM_STATE_IDLE)
+ return -EBUSY;
+
+ mlxsw_reg_mcc_pack(mcc_pl,
+ MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE,
+ 0, *fwhandle, 0);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+}
+
+static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev,
+ u32 fwhandle, u16 component_index,
+ u32 component_size)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+
+ mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT,
+ component_index, fwhandle, component_size);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+}
+
+static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev,
+ u32 fwhandle, u8 *data, u16 size,
+ u32 offset)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcda_pl[MLXSW_REG_MCDA_LEN];
+
+ mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl);
+}
+
+static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev,
+ u32 fwhandle, u16 component_index)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+
+ mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT,
+ component_index, fwhandle, 0);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+}
+
+static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+
+ mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0,
+ fwhandle, 0);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+}
+
+static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
+ enum mlxfw_fsm_state *fsm_state,
+ enum mlxfw_fsm_state_err *fsm_state_err)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+ u8 control_state;
+ u8 error_code;
+ int err;
+
+ mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0);
+ err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+ if (err)
+ return err;
+
+ mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state);
+ *fsm_state = control_state;
+ *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code,
+ MLXFW_FSM_STATE_ERR_MAX);
+ return 0;
+}
+
+static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+
+ mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0,
+ fwhandle, 0);
+ mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+}
+
+static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
+{
+ struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
+ container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
+ char mcc_pl[MLXSW_REG_MCC_LEN];
+
+ mlxsw_reg_mcc_pack(mcc_pl,
+ MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0,
+ fwhandle, 0);
+ mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
+}
+
+static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = {
+ .component_query = mlxsw_sp_component_query,
+ .fsm_lock = mlxsw_sp_fsm_lock,
+ .fsm_component_update = mlxsw_sp_fsm_component_update,
+ .fsm_block_download = mlxsw_sp_fsm_block_download,
+ .fsm_component_verify = mlxsw_sp_fsm_component_verify,
+ .fsm_activate = mlxsw_sp_fsm_activate,
+ .fsm_query_state = mlxsw_sp_fsm_query_state,
+ .fsm_cancel = mlxsw_sp_fsm_cancel,
+ .fsm_release = mlxsw_sp_fsm_release
+};
+
+static bool mlxsw_sp_fw_rev_ge(const struct mlxsw_fw_rev *a,
+ const struct mlxsw_fw_rev *b)
+{
+ if (a->major != b->major)
+ return a->major > b->major;
+ if (a->minor != b->minor)
+ return a->minor > b->minor;
+ return a->subminor >= b->subminor;
+}
+
+static int mlxsw_sp_fw_rev_validate(struct mlxsw_sp *mlxsw_sp)
+{
+ const struct mlxsw_fw_rev *rev = &mlxsw_sp->bus_info->fw_rev;
+ struct mlxsw_sp_mlxfw_dev mlxsw_sp_mlxfw_dev = {
+ .mlxfw_dev = {
+ .ops = &mlxsw_sp_mlxfw_dev_ops,
+ .psid = mlxsw_sp->bus_info->psid,
+ .psid_size = strlen(mlxsw_sp->bus_info->psid),
+ },
+ .mlxsw_sp = mlxsw_sp
+ };
+ const struct firmware *firmware;
+ int err;
+
+ if (mlxsw_sp_fw_rev_ge(rev, &mlxsw_sp_supported_fw_rev))
+ return 0;
+
+ dev_info(mlxsw_sp->bus_info->dev, "The firmware version %d.%d.%d out of data\n",
+ rev->major, rev->minor, rev->subminor);
+ dev_info(mlxsw_sp->bus_info->dev, "Upgrading firmware using file %s\n",
+ MLXSW_SP_FW_FILENAME);
+
+ err = request_firmware_direct(&firmware, MLXSW_SP_FW_FILENAME,
+ mlxsw_sp->bus_info->dev);
+ if (err) {
+ dev_err(mlxsw_sp->bus_info->dev, "Could not request firmware file %s\n",
+ MLXSW_SP_FW_FILENAME);
+ return err;
+ }
+
+ err = mlxfw_firmware_flash(&mlxsw_sp_mlxfw_dev.mlxfw_dev, firmware);
+ release_firmware(firmware);
+ return err;
+}
+
int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp,
unsigned int counter_index, u64 *packets,
u64 *bytes)
@@ -3393,6 +3619,12 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
INIT_LIST_HEAD(&mlxsw_sp->fids);
INIT_LIST_HEAD(&mlxsw_sp->vfids.list);
+ err = mlxsw_sp_fw_rev_validate(mlxsw_sp);
+ if (err) {
+ dev_err(mlxsw_sp->bus_info->dev, "Could not upgrade firmware\n");
+ return err;
+ }
+
err = mlxsw_sp_base_mac_get(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n");
@@ -4764,3 +4996,4 @@ MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox Spectrum driver");
MODULE_DEVICE_TABLE(pci, mlxsw_sp_pci_id_table);
+MODULE_FIRMWARE(MLXSW_SP_FW_FILENAME);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 3cc7d52fd6ce0..8165b1148bcea 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -42,6 +42,7 @@
#include <linux/notifier.h>
#include <linux/inetdevice.h>
#include <linux/netdevice.h>
+#include <linux/if_bridge.h>
#include <net/netevent.h>
#include <net/neighbour.h>
#include <net/arp.h>
@@ -3109,7 +3110,9 @@ static int mlxsw_sp_vport_rif_sp_join(struct mlxsw_sp_port *mlxsw_sp_vport,
struct net_device *l3_dev)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp;
+ u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
struct mlxsw_sp_rif *rif;
+ int err;
rif = mlxsw_sp_rif_find_by_dev(mlxsw_sp, l3_dev);
if (!rif) {
@@ -3118,20 +3121,39 @@ static int mlxsw_sp_vport_rif_sp_join(struct mlxsw_sp_port *mlxsw_sp_vport,
return PTR_ERR(rif);
}
+ err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, false);
+ if (err)
+ goto err_port_vid_learning_set;
+
+ err = mlxsw_sp_port_vid_stp_set(mlxsw_sp_vport, vid,
+ BR_STATE_FORWARDING);
+ if (err)
+ goto err_port_vid_stp_set;
+
mlxsw_sp_vport_fid_set(mlxsw_sp_vport, rif->f);
rif->f->ref_count++;
netdev_dbg(mlxsw_sp_vport->dev, "Joined FID=%d\n", rif->f->fid);
return 0;
+
+err_port_vid_stp_set:
+ mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true);
+err_port_vid_learning_set:
+ if (rif->f->ref_count == 0)
+ mlxsw_sp_vport_rif_sp_destroy(mlxsw_sp_vport, rif);
+ return err;
}
static void mlxsw_sp_vport_rif_sp_leave(struct mlxsw_sp_port *mlxsw_sp_vport)
{
struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);
+ u16 vid = mlxsw_sp_vport_vid_get(mlxsw_sp_vport);
netdev_dbg(mlxsw_sp_vport->dev, "Left FID=%d\n", f->fid);
+ mlxsw_sp_port_vid_stp_set(mlxsw_sp_vport, vid, BR_STATE_BLOCKING);
+ mlxsw_sp_port_vid_learning_set(mlxsw_sp_vport, vid, true);
mlxsw_sp_vport_fid_set(mlxsw_sp_vport, NULL);
if (--f->ref_count == 0)
mlxsw_sp_vport_rif_sp_destroy(mlxsw_sp_vport, f->rif);