path: root/drivers/net/wireless/iwlwifi/iwl-testmode.c

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.GPL.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * 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 Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 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.
 *
 *****************************************************************************/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <net/net_namespace.h>
#include <linux/netdevice.h>
#include <net/cfg80211.h>
#include <net/mac80211.h>
#include <net/netlink.h>

#include "iwl-dev.h"
#include "iwl-debug.h"
#include "iwl-io.h"
#include "iwl-agn.h"
#include "iwl-testmode.h"
#include "iwl-trans.h"
#include "iwl-fh.h"
#include "iwl-prph.h"


/* Periphery registers absolute lower bound. This is used in order to
 * differentiate registery access through HBUS_TARG_PRPH_* and
 * HBUS_TARG_MEM_* accesses.
 */
#define IWL_TM_ABS_PRPH_START (0xA00000)

/* The TLVs used in the gnl message policy between the kernel module and
 * user space application. iwl_testmode_gnl_msg_policy is to be carried
 * through the NL80211_CMD_TESTMODE channel regulated by nl80211.
 * See iwl-testmode.h
 */
static
struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = {
	[IWL_TM_ATTR_COMMAND] = { .type = NLA_U32, },

	[IWL_TM_ATTR_UCODE_CMD_ID] = { .type = NLA_U8, },
	[IWL_TM_ATTR_UCODE_CMD_DATA] = { .type = NLA_UNSPEC, },

	[IWL_TM_ATTR_REG_OFFSET] = { .type = NLA_U32, },
	[IWL_TM_ATTR_REG_VALUE8] = { .type = NLA_U8, },
	[IWL_TM_ATTR_REG_VALUE32] = { .type = NLA_U32, },

	[IWL_TM_ATTR_SYNC_RSP] = { .type = NLA_UNSPEC, },
	[IWL_TM_ATTR_UCODE_RX_PKT] = { .type = NLA_UNSPEC, },

	[IWL_TM_ATTR_EEPROM] = { .type = NLA_UNSPEC, },

	[IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, },
	[IWL_TM_ATTR_TRACE_DUMP] = { .type = NLA_UNSPEC, },
	[IWL_TM_ATTR_TRACE_SIZE] = { .type = NLA_U32, },

	[IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, },

	[IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, },

	[IWL_TM_ATTR_MEM_ADDR] = { .type = NLA_U32, },
	[IWL_TM_ATTR_BUFFER_SIZE] = { .type = NLA_U32, },
	[IWL_TM_ATTR_BUFFER_DUMP] = { .type = NLA_UNSPEC, },

	[IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, },
	[IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, },
	[IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, },
	[IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, },
	[IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, },

	[IWL_TM_ATTR_ENABLE_NOTIFICATION] = {.type = NLA_FLAG, },
};

/*
 * See the struct iwl_rx_packet in iwl-commands.h for the format of the
 * received events from the device
 */
static inline int get_event_length(struct iwl_rx_cmd_buffer *rxb