The file dealing with all the operations through testmode, rename it.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
iwlwifi-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
-iwlwifi-$(CONFIG_IWLWIFI_DEVICE_SVTOOL) += iwl-sv-open.o
+iwlwifi-$(CONFIG_IWLWIFI_DEVICE_SVTOOL) += iwl-testmode.o
CFLAGS_iwl-devtrace.o := -I$(src)
+++ /dev/null
-/******************************************************************************
- *
- * 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 - 2011 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 - 2011 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-core.h"
-#include "iwl-debug.h"
-#include "iwl-io.h"
-#include "iwl-agn.h"
-#include "iwl-testmode.h"
-#include "iwl-trans.h"
-
-/* 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_SRAM_ADDR] = { .type = NLA_U32, },
- [IWL_TM_ATTR_SRAM_SIZE] = { .type = NLA_U32, },
- [IWL_TM_ATTR_SRAM_DUMP] = { .type = NLA_UNSPEC, },
-};
-
-/*
- * 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_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- if (pkt)
- return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
- else
- return 0;
-}
-
-
-/*
- * This function multicasts the spontaneous messages from the device to the
- * user space. It is invoked whenever there is a received messages
- * from the device. This function is called within the ISR of the rx handlers
- * in iwlagn driver.
- *
- * The parsing of the message content is left to the user space application,
- * The message content is treated as unattacked raw data and is encapsulated
- * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space.
- *
- * @priv: the instance of iwlwifi device
- * @rxb: pointer to rx data content received by the ISR
- *
- * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
- * For the messages multicasting to the user application, the mandatory
- * TLV fields are :
- * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
- * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content
- */
-
-static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct ieee80211_hw *hw = priv->hw;
- struct sk_buff *skb;
- void *data;
- int length;
-
- data = (void *)rxb_addr(rxb);
- length = get_event_length(rxb);
-
- if (!data || length == 0)
- return;
-
- skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length,
- GFP_ATOMIC);
- if (skb == NULL) {
- IWL_DEBUG_INFO(priv,
- "Run out of memory for messages to user space ?\n");
- return;
- }
- NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT);
- NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data);
- cfg80211_testmode_event(skb, GFP_ATOMIC);
- return;
-
-nla_put_failure:
- kfree_skb(skb);
- IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n");
-}
-
-void iwl_testmode_init(struct iwl_priv *priv)
-{
- priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt;
- priv->testmode_trace.trace_enabled = false;
- priv->testmode_sram.sram_readed = false;
-}
-
-static void iwl_sram_cleanup(struct iwl_priv *priv)
-{
- if (priv->testmode_sram.sram_readed) {
- kfree(priv->testmode_sram.buff_addr);
- priv->testmode_sram.buff_addr = NULL;
- priv->testmode_sram.buff_size = 0;
- priv->testmode_sram.num_chunks = 0;
- priv->testmode_sram.sram_readed = false;
- }
-}
-
-static void iwl_trace_cleanup(struct iwl_priv *priv)
-{
- if (priv->testmode_trace.trace_enabled) {
- if (priv->testmode_trace.cpu_addr &&
- priv->testmode_trace.dma_addr)
- dma_free_coherent(bus(priv)->dev,
- priv->testmode_trace.total_size,
- priv->testmode_trace.cpu_addr,
- priv->testmode_trace.dma_addr);
- priv->testmode_trace.trace_enabled = false;
- priv->testmode_trace.cpu_addr = NULL;
- priv->testmode_trace.trace_addr = NULL;
- priv->testmode_trace.dma_addr = 0;
- priv->testmode_trace.buff_size = 0;
- priv->testmode_trace.total_size = 0;
- }
-}
-
-
-void iwl_testmode_cleanup(struct iwl_priv *priv)
-{
- iwl_trace_cleanup(priv);
- iwl_sram_cleanup(priv);
-}
-
-/*
- * This function handles the user application commands to the ucode.
- *
- * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
- * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
- * host command to the ucode.
- *
- * If any mandatory field is missing, -ENOMSG is replied to the user space
- * application; otherwise, the actual execution result of the host command to
- * ucode is replied.
- *
- * @hw: ieee80211_hw object that represents the device
- * @tb: gnl message fields from the user space
- */
-static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
-{
- struct iwl_priv *priv = hw->priv;
- struct iwl_host_cmd cmd;
-
- memset(&cmd, 0, sizeof(struct iwl_host_cmd));
-
- if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
- !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
- IWL_DEBUG_INFO(priv,
- "Error finding ucode command mandatory fields\n");
- return -ENOMSG;
- }
-
- cmd.flags = CMD_ON_DEMAND;
- cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
- cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
- cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
- cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
- IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
- " len %d\n", cmd.id, cmd.flags, cmd.len[0]);
- /* ok, let's submit the command to ucode */
- return iwl_trans_send_cmd(trans(priv), &cmd);
-}
-
-
-/*
- * This function handles the user application commands for register access.
- *
- * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
- * handlers respectively.
- *
- * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
- * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
- * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
- * the success of the command execution.
- *
- * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
- * value is returned with IWL_TM_ATTR_REG_VALUE32.
- *
- * @hw: ieee80211_hw object that represents the device
- * @tb: gnl message fields from the user space
- */
-static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
-{
- struct iwl_priv *priv = hw->priv;
- u32 ofs, val32;
- u8 val8;
- struct sk_buff *skb;
- int status = 0;
-
- if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
- IWL_DEBUG_INFO(priv, "Error finding register offset\n");
- return -ENOMSG;
- }
- ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
- IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs);
-
- switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
- case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
- val32 = iwl_read32(bus(priv), ofs);
- IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
-
- skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
- if (!skb) {
- IWL_DEBUG_INFO(priv, "Error allocating memory\n");
- return -ENOMEM;
- }
- NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
- status = cfg80211_testmode_reply(skb);
- if (status < 0)
- IWL_DEBUG_INFO(priv,
- "Error sending msg : %d\n", status);
- break;
- case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
- if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
- IWL_DEBUG_INFO(priv,
- "Error finding value to write\n");
- return -ENOMSG;
- } else {
- val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
- IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
- iwl_write32(bus(priv), ofs, val32);
- }
- break;
- case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
- if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
- IWL_DEBUG_INFO(priv, "Error finding value to write\n");
- return -ENOMSG;
- } else {
- val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
- IWL_INFO(priv, "8bit value to write 0x%x\n", val8);
- iwl_write8(bus(priv), ofs, val8);
- }
- break;
- case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32:
- val32 = iwl_read_prph(bus(priv), ofs);
- IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
-
- skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
- if (!skb) {
- IWL_DEBUG_INFO(priv, "Error allocating memory\n");
- return -ENOMEM;
- }
- NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
- status = cfg80211_testmode_reply(skb);
- if (status < 0)
- IWL_DEBUG_INFO(priv,
- "Error sending msg : %d\n", status);
- break;
- case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32:
- if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
- IWL_DEBUG_INFO(priv,
- "Error finding value to write\n");
- return -ENOMSG;
- } else {
- val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
- IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
- iwl_write_prph(bus(priv), ofs, val32);
- }
- break;
- default:
- IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n");
- return -ENOSYS;
- }
-
- return status;
-
-nla_put_failure:
- kfree_skb(skb);
- return -EMSGSIZE;
-}
-
-
-static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
-{
- struct iwl_notification_wait calib_wait;
- int ret;
-
- iwlagn_init_notification_wait(priv, &calib_wait,
- CALIBRATION_COMPLETE_NOTIFICATION,
- NULL, NULL);
- ret = iwlagn_init_alive_start(priv);
- if (ret) {
- IWL_DEBUG_INFO(priv,
- "Error configuring init calibration: %d\n", ret);
- goto cfg_init_calib_error;
- }
-
- ret = iwlagn_wait_notification(priv, &calib_wait, 2 * HZ);
- if (ret)
- IWL_DEBUG_INFO(priv, "Error detecting"
- " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret);
- return ret;
-
-cfg_init_calib_error:
- iwlagn_remove_notification(priv, &calib_wait);
- return ret;
-}
-
-/*
- * This function handles the user application commands for driver.
- *
- * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
- * handlers respectively.
- *
- * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
- * value of the actual command execution is replied to the user application.
- *
- * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
- * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
- * IWL_TM_CMD_DEV2APP_SYNC_RSP.
- *
- * @hw: ieee80211_hw object that represents the device
- * @tb: gnl message fields from the user space
- */
-static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
-{
- struct iwl_priv *priv = hw->priv;
- struct sk_buff *skb;
- unsigned char *rsp_data_ptr = NULL;
- int status = 0, rsp_data_len = 0;
-
- switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
- case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
- rsp_data_ptr = (unsigned char *)priv->cfg->name;
- rsp_data_len = strlen(priv->cfg->name);
- skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
- rsp_data_len + 20);
- if (!skb) {
- IWL_DEBUG_INFO(priv,
- "Error allocating memory\n");
- return -ENOMEM;
- }
- NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
- IWL_TM_CMD_DEV2APP_SYNC_RSP);
- NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP,
- rsp_data_len, rsp_data_ptr);
- status = cfg80211_testmode_reply(skb);
- if (status < 0)
- IWL_DEBUG_INFO(priv, "Error sending msg : %d\n",
- status);
- break;
-
- case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
- status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
- if (status)
- IWL_DEBUG_INFO(priv,
- "Error loading init ucode: %d\n", status);
- break;
-
- case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
- iwl_testmode_cfg_init_calib(priv);
- iwl_trans_stop_device(trans(priv));
- break;
-
- case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
- status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR);
- if (status) {
- IWL_DEBUG_INFO(priv,
- "Error loading runtime ucode: %d\n", status);
- break;
- }
- status = iwl_alive_start(priv);
- if (status)
- IWL_DEBUG_INFO(priv,
- "Error starting the device: %d\n", status);
- break;
-
- case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
- iwl_scan_cancel_timeout(priv, 200);
- iwl_trans_stop_device(trans(priv));
- status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN);
- if (status) {
- IWL_DEBUG_INFO(priv,
- "Error loading WOWLAN ucode: %d\n", status);
- break;
- }
- status = iwl_alive_start(priv);
- if (status)
- IWL_DEBUG_INFO(priv,
- "Error starting the device: %d\n", status);
- break;
-
- case IWL_TM_CMD_APP2DEV_GET_EEPROM:
- if (priv->eeprom) {
- skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
- priv->cfg->base_params->eeprom_size + 20);
- if (!skb) {
- IWL_DEBUG_INFO(priv,
- "Error allocating memory\n");
- return -ENOMEM;
- }
- NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
- IWL_TM_CMD_DEV2APP_EEPROM_RSP);
- NLA_PUT(skb, IWL_TM_ATTR_EEPROM,
- priv->cfg->base_params->eeprom_size,
- priv->eeprom);
- status = cfg80211_testmode_reply(skb);
- if (status < 0)
- IWL_DEBUG_INFO(priv,
- "Error sending msg : %d\n",
- status);
- } else
- return -EFAULT;
- break;
-
- case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
- if (!tb[IWL_TM_ATTR_FIXRATE]) {
- IWL_DEBUG_INFO(priv,
- "Error finding fixrate setting\n");
- return -ENOMSG;
- }
- priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
- break;
-
- default:
- IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n");
- return -ENOSYS;
- }
- return status;
-
-nla_put_failure:
- kfree_skb(skb);
- return -EMSGSIZE;
-}
-
-
-/*
- * This function handles the user application commands for uCode trace
- *
- * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
- * handlers respectively.
- *
- * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
- * value of the actual command execution is replied to the user application.
- *
- * @hw: ieee80211_hw object that represents the device
- * @tb: gnl message fields from the user space
- */
-static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
-{
- struct iwl_priv *priv = hw->priv;
- struct sk_buff *skb;
- int status = 0;
- struct device *dev = bus(priv)->dev;
-
- switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
- case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
- if (priv->testmode_trace.trace_enabled)
- return -EBUSY;
-
- if (!tb[IWL_TM_ATTR_TRACE_SIZE])
- priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF;
- else
- priv->testmode_trace.buff_size =
- nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]);
- if (!priv->testmode_trace.buff_size)
- return -EINVAL;
- if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN ||
- priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX)
- return -EINVAL;
-
- priv->testmode_trace.total_size =
- priv->testmode_trace.buff_size + TRACE_BUFF_PADD;
- priv->testmode_trace.cpu_addr =
- dma_alloc_coherent(dev,
- priv->testmode_trace.total_size,
- &priv->testmode_trace.dma_addr,
- GFP_KERNEL);
- if (!priv->testmode_trace.cpu_addr)
- return -ENOMEM;
- priv->testmode_trace.trace_enabled = true;
- priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN(
- priv->testmode_trace.cpu_addr, 0x100);
- memset(priv->testmode_trace.trace_addr, 0x03B,
- priv->testmode_trace.buff_size);
- skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
- sizeof(priv->testmode_trace.dma_addr) + 20);
- if (!skb) {
- IWL_DEBUG_INFO(priv,
- "Error allocating memory\n");
- iwl_trace_cleanup(priv);
- return -ENOMEM;
- }
- NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR,
- sizeof(priv->testmode_trace.dma_addr),
- (u64 *)&priv->testmode_trace.dma_addr);
- status = cfg80211_testmode_reply(skb);
- if (status < 0) {
- IWL_DEBUG_INFO(priv,
- "Error sending msg : %d\n",
- status);
- }
- priv->testmode_trace.num_chunks =
- DIV_ROUND_UP(priv->testmode_trace.buff_size,
- DUMP_CHUNK_SIZE);
- break;
-
- case IWL_TM_CMD_APP2DEV_END_TRACE:
- iwl_trace_cleanup(priv);
- break;
- default:
- IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n");
- return -ENOSYS;
- }
- return status;
-
-nla_put_failure:
- kfree_skb(skb);
- if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) ==
- IWL_TM_CMD_APP2DEV_BEGIN_TRACE)
- iwl_trace_cleanup(priv);
- return -EMSGSIZE;
-}
-
-static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb,
- struct sk_buff *skb,
- struct netlink_callback *cb)
-{
- struct iwl_priv *priv = hw->priv;
- int idx, length;
-
- if (priv->testmode_trace.trace_enabled &&
- priv->testmode_trace.trace_addr) {
- idx = cb->args[4];
- if (idx >= priv->testmode_trace.num_chunks)
- return -ENOENT;
- length = DUMP_CHUNK_SIZE;
- if (((idx + 1) == priv->testmode_trace.num_chunks) &&
- (priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE))
- length = priv->testmode_trace.buff_size %
- DUMP_CHUNK_SIZE;
-
- NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length,
- priv->testmode_trace.trace_addr +
- (DUMP_CHUNK_SIZE * idx));
- idx++;
- cb->args[4] = idx;
- return 0;
- } else
- return -EFAULT;
-
- nla_put_failure:
- return -ENOBUFS;
-}
-
-/*
- * This function handles the user application switch ucode ownership.
- *
- * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and
- * decide who the current owner of the uCode
- *
- * If the current owner is OWNERSHIP_TM, then the only host command
- * can deliver to uCode is from testmode, all the other host commands
- * will dropped.
- *
- * default driver is the owner of uCode in normal operational mode
- *
- * @hw: ieee80211_hw object that represents the device
- * @tb: gnl message fields from the user space
- */
-static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
-{
- struct iwl_priv *priv = hw->priv;
- u8 owner;
-
- if (!tb[IWL_TM_ATTR_UCODE_OWNER]) {
- IWL_DEBUG_INFO(priv, "Error finding ucode owner\n");
- return -ENOMSG;
- }
-
- owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]);
- if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM))
- priv->shrd->ucode_owner = owner;
- else {
- IWL_DEBUG_INFO(priv, "Invalid owner\n");
- return -EINVAL;
- }
- return 0;
-}
-
-/*
- * This function handles the user application commands for SRAM data dump
- *
- * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and
- * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading
- *
- * Several error will be retured, -EBUSY if the SRAM data retrieved by
- * previous command has not been delivered to userspace, or -ENOMSG if
- * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE)
- * are missing, or -ENOMEM if the buffer allocation fails.
- *
- * Otherwise 0 is replied indicating the success of the SRAM reading.
- *
- * @hw: ieee80211_hw object that represents the device
- * @tb: gnl message fields from the user space
- */
-static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb)
-{
- struct iwl_priv *priv = hw->priv;
- u32 base, ofs, size, maxsize;
-
- if (priv->testmode_sram.sram_readed)
- return -EBUSY;
-
- if (!tb[IWL_TM_ATTR_SRAM_ADDR]) {
- IWL_DEBUG_INFO(priv, "Error finding SRAM offset address\n");
- return -ENOMSG;
- }
- ofs = nla_get_u32(tb[IWL_TM_ATTR_SRAM_ADDR]);
- if (!tb[IWL_TM_ATTR_SRAM_SIZE]) {
- IWL_DEBUG_INFO(priv, "Error finding size for SRAM reading\n");
- return -ENOMSG;
- }
- size = nla_get_u32(tb[IWL_TM_ATTR_SRAM_SIZE]);
- switch (priv->ucode_type) {
- case IWL_UCODE_REGULAR:
- maxsize = trans(priv)->ucode_rt.data.len;
- break;
- case IWL_UCODE_INIT:
- maxsize = trans(priv)->ucode_init.data.len;
- break;
- case IWL_UCODE_WOWLAN:
- maxsize = trans(priv)->ucode_wowlan.data.len;
- break;
- case IWL_UCODE_NONE:
- IWL_DEBUG_INFO(priv, "Error, uCode does not been loaded\n");
- return -ENOSYS;
- default:
- IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n");
- return -ENOSYS;
- }
- if ((ofs + size) > maxsize) {
- IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n");
- return -EINVAL;
- }
- priv->testmode_sram.buff_size = (size / 4) * 4;
- priv->testmode_sram.buff_addr =
- kmalloc(priv->testmode_sram.buff_size, GFP_KERNEL);
- if (priv->testmode_sram.buff_addr == NULL) {
- IWL_DEBUG_INFO(priv, "Error allocating memory\n");
- return -ENOMEM;
- }
- base = 0x800000;
- _iwl_read_targ_mem_words(bus(priv), base + ofs,
- priv->testmode_sram.buff_addr,
- priv->testmode_sram.buff_size / 4);
- priv->testmode_sram.num_chunks =
- DIV_ROUND_UP(priv->testmode_sram.buff_size, DUMP_CHUNK_SIZE);
- priv->testmode_sram.sram_readed = true;
- return 0;
-}
-
-static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb,
- struct sk_buff *skb,
- struct netlink_callback *cb)
-{
- struct iwl_priv *priv = hw->priv;
- int idx, length;
-
- if (priv->testmode_sram.sram_readed) {
- idx = cb->args[4];
- if (idx >= priv->testmode_sram.num_chunks) {
- iwl_sram_cleanup(priv);
- return -ENOENT;
- }
- length = DUMP_CHUNK_SIZE;
- if (((idx + 1) == priv->testmode_sram.num_chunks) &&
- (priv->testmode_sram.buff_size % DUMP_CHUNK_SIZE))
- length = priv->testmode_sram.buff_size %
- DUMP_CHUNK_SIZE;
-
- NLA_PUT(skb, IWL_TM_ATTR_SRAM_DUMP, length,
- priv->testmode_sram.buff_addr +
- (DUMP_CHUNK_SIZE * idx));
- idx++;
- cb->args[4] = idx;
- return 0;
- } else
- return -EFAULT;
-
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
-/* The testmode gnl message handler that takes the gnl message from the
- * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
- * invoke the corresponding handlers.
- *
- * This function is invoked when there is user space application sending
- * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
- * by nl80211.
- *
- * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
- * dispatching it to the corresponding handler.
- *
- * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
- * -ENOSYS is replied to the user application if the command is unknown;
- * Otherwise, the command is dispatched to the respective handler.
- *
- * @hw: ieee80211_hw object that represents the device
- * @data: pointer to user space message
- * @len: length in byte of @data
- */
-int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
-{
- struct nlattr *tb[IWL_TM_ATTR_MAX];
- struct iwl_priv *priv = hw->priv;
- int result;
-
- result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
- iwl_testmode_gnl_msg_policy);
- if (result != 0) {
- IWL_DEBUG_INFO(priv,
- "Error parsing the gnl message : %d\n", result);
- return result;
- }
-
- /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
- if (!tb[IWL_TM_ATTR_COMMAND]) {
- IWL_DEBUG_INFO(priv, "Error finding testmode command type\n");
- return -ENOMSG;
- }
- /* in case multiple accesses to the device happens */
- mutex_lock(&priv->shrd->mutex);
-
- switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
- case IWL_TM_CMD_APP2DEV_UCODE:
- IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n");
- result = iwl_testmode_ucode(hw, tb);
- break;
- case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
- case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
- case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
- case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32:
- case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32:
- IWL_DEBUG_INFO(priv, "testmode cmd to register\n");
- result = iwl_testmode_reg(hw, tb);
- break;
- case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
- case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
- case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
- case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
- case IWL_TM_CMD_APP2DEV_GET_EEPROM:
- case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
- case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
- IWL_DEBUG_INFO(priv, "testmode cmd to driver\n");
- result = iwl_testmode_driver(hw, tb);
- break;
-
- case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
- case IWL_TM_CMD_APP2DEV_END_TRACE:
- case IWL_TM_CMD_APP2DEV_READ_TRACE:
- IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n");
- result = iwl_testmode_trace(hw, tb);
- break;
-
- case IWL_TM_CMD_APP2DEV_OWNERSHIP:
- IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n");
- result = iwl_testmode_ownership(hw, tb);
- break;
-
- case IWL_TM_CMD_APP2DEV_READ_SRAM:
- IWL_DEBUG_INFO(priv, "testmode sram read cmd to driver\n");
- result = iwl_testmode_sram(hw, tb);
- break;
-
- default:
- IWL_DEBUG_INFO(priv, "Unknown testmode command\n");
- result = -ENOSYS;
- break;
- }
-
- mutex_unlock(&priv->shrd->mutex);
- return result;
-}
-
-int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct netlink_callback *cb,
- void *data, int len)
-{
- struct nlattr *tb[IWL_TM_ATTR_MAX];
- struct iwl_priv *priv = hw->priv;
- int result;
- u32 cmd;
-
- if (cb->args[3]) {
- /* offset by 1 since commands start at 0 */
- cmd = cb->args[3] - 1;
- } else {
- result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
- iwl_testmode_gnl_msg_policy);
- if (result) {
- IWL_DEBUG_INFO(priv,
- "Error parsing the gnl message : %d\n", result);
- return result;
- }
-
- /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
- if (!tb[IWL_TM_ATTR_COMMAND]) {
- IWL_DEBUG_INFO(priv,
- "Error finding testmode command type\n");
- return -ENOMSG;
- }
- cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
- cb->args[3] = cmd + 1;
- }
-
- /* in case multiple accesses to the device happens */
- mutex_lock(&priv->shrd->mutex);
- switch (cmd) {
- case IWL_TM_CMD_APP2DEV_READ_TRACE:
- IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n");
- result = iwl_testmode_trace_dump(hw, tb, skb, cb);
- break;
- case IWL_TM_CMD_APP2DEV_DUMP_SRAM:
- IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n");
- result = iwl_testmode_sram_dump(hw, tb, skb, cb);
- break;
- default:
- result = -EINVAL;
- break;
- }
-
- mutex_unlock(&priv->shrd->mutex);
- return result;
-}
--- /dev/null
+/******************************************************************************
+ *
+ * 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 - 2011 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 - 2011 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-core.h"
+#include "iwl-debug.h"
+#include "iwl-io.h"
+#include "iwl-agn.h"
+#include "iwl-testmode.h"
+#include "iwl-trans.h"
+
+/* 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_SRAM_ADDR] = { .type = NLA_U32, },
+ [IWL_TM_ATTR_SRAM_SIZE] = { .type = NLA_U32, },
+ [IWL_TM_ATTR_SRAM_DUMP] = { .type = NLA_UNSPEC, },
+};
+
+/*
+ * 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_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ if (pkt)
+ return le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ else
+ return 0;
+}
+
+
+/*
+ * This function multicasts the spontaneous messages from the device to the
+ * user space. It is invoked whenever there is a received messages
+ * from the device. This function is called within the ISR of the rx handlers
+ * in iwlagn driver.
+ *
+ * The parsing of the message content is left to the user space application,
+ * The message content is treated as unattacked raw data and is encapsulated
+ * with IWL_TM_ATTR_UCODE_RX_PKT multicasting to the user space.
+ *
+ * @priv: the instance of iwlwifi device
+ * @rxb: pointer to rx data content received by the ISR
+ *
+ * See the message policies and TLVs in iwl_testmode_gnl_msg_policy[].
+ * For the messages multicasting to the user application, the mandatory
+ * TLV fields are :
+ * IWL_TM_ATTR_COMMAND must be IWL_TM_CMD_DEV2APP_UCODE_RX_PKT
+ * IWL_TM_ATTR_UCODE_RX_PKT for carrying the message content
+ */
+
+static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct ieee80211_hw *hw = priv->hw;
+ struct sk_buff *skb;
+ void *data;
+ int length;
+
+ data = (void *)rxb_addr(rxb);
+ length = get_event_length(rxb);
+
+ if (!data || length == 0)
+ return;
+
+ skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length,
+ GFP_ATOMIC);
+ if (skb == NULL) {
+ IWL_DEBUG_INFO(priv,
+ "Run out of memory for messages to user space ?\n");
+ return;
+ }
+ NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT);
+ NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data);
+ cfg80211_testmode_event(skb, GFP_ATOMIC);
+ return;
+
+nla_put_failure:
+ kfree_skb(skb);
+ IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n");
+}
+
+void iwl_testmode_init(struct iwl_priv *priv)
+{
+ priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt;
+ priv->testmode_trace.trace_enabled = false;
+ priv->testmode_sram.sram_readed = false;
+}
+
+static void iwl_sram_cleanup(struct iwl_priv *priv)
+{
+ if (priv->testmode_sram.sram_readed) {
+ kfree(priv->testmode_sram.buff_addr);
+ priv->testmode_sram.buff_addr = NULL;
+ priv->testmode_sram.buff_size = 0;
+ priv->testmode_sram.num_chunks = 0;
+ priv->testmode_sram.sram_readed = false;
+ }
+}
+
+static void iwl_trace_cleanup(struct iwl_priv *priv)
+{
+ if (priv->testmode_trace.trace_enabled) {
+ if (priv->testmode_trace.cpu_addr &&
+ priv->testmode_trace.dma_addr)
+ dma_free_coherent(bus(priv)->dev,
+ priv->testmode_trace.total_size,
+ priv->testmode_trace.cpu_addr,
+ priv->testmode_trace.dma_addr);
+ priv->testmode_trace.trace_enabled = false;
+ priv->testmode_trace.cpu_addr = NULL;
+ priv->testmode_trace.trace_addr = NULL;
+ priv->testmode_trace.dma_addr = 0;
+ priv->testmode_trace.buff_size = 0;
+ priv->testmode_trace.total_size = 0;
+ }
+}
+
+
+void iwl_testmode_cleanup(struct iwl_priv *priv)
+{
+ iwl_trace_cleanup(priv);
+ iwl_sram_cleanup(priv);
+}
+
+/*
+ * This function handles the user application commands to the ucode.
+ *
+ * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_CMD_ID and
+ * IWL_TM_ATTR_UCODE_CMD_DATA and calls to the handler to send the
+ * host command to the ucode.
+ *
+ * If any mandatory field is missing, -ENOMSG is replied to the user space
+ * application; otherwise, the actual execution result of the host command to
+ * ucode is replied.
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @tb: gnl message fields from the user space
+ */
+static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
+{
+ struct iwl_priv *priv = hw->priv;
+ struct iwl_host_cmd cmd;
+
+ memset(&cmd, 0, sizeof(struct iwl_host_cmd));
+
+ if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] ||
+ !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) {
+ IWL_DEBUG_INFO(priv,
+ "Error finding ucode command mandatory fields\n");
+ return -ENOMSG;
+ }
+
+ cmd.flags = CMD_ON_DEMAND;
+ cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]);
+ cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
+ cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]);
+ cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
+ IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x,"
+ " len %d\n", cmd.id, cmd.flags, cmd.len[0]);
+ /* ok, let's submit the command to ucode */
+ return iwl_trans_send_cmd(trans(priv), &cmd);
+}
+
+
+/*
+ * This function handles the user application commands for register access.
+ *
+ * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
+ * handlers respectively.
+ *
+ * If it's an unknown commdn ID, -ENOSYS is returned; or -ENOMSG if the
+ * mandatory fields(IWL_TM_ATTR_REG_OFFSET,IWL_TM_ATTR_REG_VALUE32,
+ * IWL_TM_ATTR_REG_VALUE8) are missing; Otherwise 0 is replied indicating
+ * the success of the command execution.
+ *
+ * If IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_READ32, the register read
+ * value is returned with IWL_TM_ATTR_REG_VALUE32.
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @tb: gnl message fields from the user space
+ */
+static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
+{
+ struct iwl_priv *priv = hw->priv;
+ u32 ofs, val32;
+ u8 val8;
+ struct sk_buff *skb;
+ int status = 0;
+
+ if (!tb[IWL_TM_ATTR_REG_OFFSET]) {
+ IWL_DEBUG_INFO(priv, "Error finding register offset\n");
+ return -ENOMSG;
+ }
+ ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]);
+ IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs);
+
+ switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
+ case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
+ val32 = iwl_read32(bus(priv), ofs);
+ IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
+
+ skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
+ if (!skb) {
+ IWL_DEBUG_INFO(priv, "Error allocating memory\n");
+ return -ENOMEM;
+ }
+ NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
+ status = cfg80211_testmode_reply(skb);
+ if (status < 0)
+ IWL_DEBUG_INFO(priv,
+ "Error sending msg : %d\n", status);
+ break;
+ case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
+ if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
+ IWL_DEBUG_INFO(priv,
+ "Error finding value to write\n");
+ return -ENOMSG;
+ } else {
+ val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
+ IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
+ iwl_write32(bus(priv), ofs, val32);
+ }
+ break;
+ case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
+ if (!tb[IWL_TM_ATTR_REG_VALUE8]) {
+ IWL_DEBUG_INFO(priv, "Error finding value to write\n");
+ return -ENOMSG;
+ } else {
+ val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]);
+ IWL_INFO(priv, "8bit value to write 0x%x\n", val8);
+ iwl_write8(bus(priv), ofs, val8);
+ }
+ break;
+ case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32:
+ val32 = iwl_read_prph(bus(priv), ofs);
+ IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
+
+ skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
+ if (!skb) {
+ IWL_DEBUG_INFO(priv, "Error allocating memory\n");
+ return -ENOMEM;
+ }
+ NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32);
+ status = cfg80211_testmode_reply(skb);
+ if (status < 0)
+ IWL_DEBUG_INFO(priv,
+ "Error sending msg : %d\n", status);
+ break;
+ case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32:
+ if (!tb[IWL_TM_ATTR_REG_VALUE32]) {
+ IWL_DEBUG_INFO(priv,
+ "Error finding value to write\n");
+ return -ENOMSG;
+ } else {
+ val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
+ IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
+ iwl_write_prph(bus(priv), ofs, val32);
+ }
+ break;
+ default:
+ IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n");
+ return -ENOSYS;
+ }
+
+ return status;
+
+nla_put_failure:
+ kfree_skb(skb);
+ return -EMSGSIZE;
+}
+
+
+static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
+{
+ struct iwl_notification_wait calib_wait;
+ int ret;
+
+ iwlagn_init_notification_wait(priv, &calib_wait,
+ CALIBRATION_COMPLETE_NOTIFICATION,
+ NULL, NULL);
+ ret = iwlagn_init_alive_start(priv);
+ if (ret) {
+ IWL_DEBUG_INFO(priv,
+ "Error configuring init calibration: %d\n", ret);
+ goto cfg_init_calib_error;
+ }
+
+ ret = iwlagn_wait_notification(priv, &calib_wait, 2 * HZ);
+ if (ret)
+ IWL_DEBUG_INFO(priv, "Error detecting"
+ " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret);
+ return ret;
+
+cfg_init_calib_error:
+ iwlagn_remove_notification(priv, &calib_wait);
+ return ret;
+}
+
+/*
+ * This function handles the user application commands for driver.
+ *
+ * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
+ * handlers respectively.
+ *
+ * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
+ * value of the actual command execution is replied to the user application.
+ *
+ * If there's any message responding to the user space, IWL_TM_ATTR_SYNC_RSP
+ * is used for carry the message while IWL_TM_ATTR_COMMAND must set to
+ * IWL_TM_CMD_DEV2APP_SYNC_RSP.
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @tb: gnl message fields from the user space
+ */
+static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
+{
+ struct iwl_priv *priv = hw->priv;
+ struct sk_buff *skb;
+ unsigned char *rsp_data_ptr = NULL;
+ int status = 0, rsp_data_len = 0;
+
+ switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
+ case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
+ rsp_data_ptr = (unsigned char *)priv->cfg->name;
+ rsp_data_len = strlen(priv->cfg->name);
+ skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
+ rsp_data_len + 20);
+ if (!skb) {
+ IWL_DEBUG_INFO(priv,
+ "Error allocating memory\n");
+ return -ENOMEM;
+ }
+ NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
+ IWL_TM_CMD_DEV2APP_SYNC_RSP);
+ NLA_PUT(skb, IWL_TM_ATTR_SYNC_RSP,
+ rsp_data_len, rsp_data_ptr);
+ status = cfg80211_testmode_reply(skb);
+ if (status < 0)
+ IWL_DEBUG_INFO(priv, "Error sending msg : %d\n",
+ status);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
+ status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
+ if (status)
+ IWL_DEBUG_INFO(priv,
+ "Error loading init ucode: %d\n", status);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
+ iwl_testmode_cfg_init_calib(priv);
+ iwl_trans_stop_device(trans(priv));
+ break;
+
+ case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
+ status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR);
+ if (status) {
+ IWL_DEBUG_INFO(priv,
+ "Error loading runtime ucode: %d\n", status);
+ break;
+ }
+ status = iwl_alive_start(priv);
+ if (status)
+ IWL_DEBUG_INFO(priv,
+ "Error starting the device: %d\n", status);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
+ iwl_scan_cancel_timeout(priv, 200);
+ iwl_trans_stop_device(trans(priv));
+ status = iwlagn_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN);
+ if (status) {
+ IWL_DEBUG_INFO(priv,
+ "Error loading WOWLAN ucode: %d\n", status);
+ break;
+ }
+ status = iwl_alive_start(priv);
+ if (status)
+ IWL_DEBUG_INFO(priv,
+ "Error starting the device: %d\n", status);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_GET_EEPROM:
+ if (priv->eeprom) {
+ skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
+ priv->cfg->base_params->eeprom_size + 20);
+ if (!skb) {
+ IWL_DEBUG_INFO(priv,
+ "Error allocating memory\n");
+ return -ENOMEM;
+ }
+ NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND,
+ IWL_TM_CMD_DEV2APP_EEPROM_RSP);
+ NLA_PUT(skb, IWL_TM_ATTR_EEPROM,
+ priv->cfg->base_params->eeprom_size,
+ priv->eeprom);
+ status = cfg80211_testmode_reply(skb);
+ if (status < 0)
+ IWL_DEBUG_INFO(priv,
+ "Error sending msg : %d\n",
+ status);
+ } else
+ return -EFAULT;
+ break;
+
+ case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
+ if (!tb[IWL_TM_ATTR_FIXRATE]) {
+ IWL_DEBUG_INFO(priv,
+ "Error finding fixrate setting\n");
+ return -ENOMSG;
+ }
+ priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
+ break;
+
+ default:
+ IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n");
+ return -ENOSYS;
+ }
+ return status;
+
+nla_put_failure:
+ kfree_skb(skb);
+ return -EMSGSIZE;
+}
+
+
+/*
+ * This function handles the user application commands for uCode trace
+ *
+ * It retrieves command ID carried with IWL_TM_ATTR_COMMAND and calls to the
+ * handlers respectively.
+ *
+ * If it's an unknown commdn ID, -ENOSYS is replied; otherwise, the returned
+ * value of the actual command execution is replied to the user application.
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @tb: gnl message fields from the user space
+ */
+static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
+{
+ struct iwl_priv *priv = hw->priv;
+ struct sk_buff *skb;
+ int status = 0;
+ struct device *dev = bus(priv)->dev;
+
+ switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
+ case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
+ if (priv->testmode_trace.trace_enabled)
+ return -EBUSY;
+
+ if (!tb[IWL_TM_ATTR_TRACE_SIZE])
+ priv->testmode_trace.buff_size = TRACE_BUFF_SIZE_DEF;
+ else
+ priv->testmode_trace.buff_size =
+ nla_get_u32(tb[IWL_TM_ATTR_TRACE_SIZE]);
+ if (!priv->testmode_trace.buff_size)
+ return -EINVAL;
+ if (priv->testmode_trace.buff_size < TRACE_BUFF_SIZE_MIN ||
+ priv->testmode_trace.buff_size > TRACE_BUFF_SIZE_MAX)
+ return -EINVAL;
+
+ priv->testmode_trace.total_size =
+ priv->testmode_trace.buff_size + TRACE_BUFF_PADD;
+ priv->testmode_trace.cpu_addr =
+ dma_alloc_coherent(dev,
+ priv->testmode_trace.total_size,
+ &priv->testmode_trace.dma_addr,
+ GFP_KERNEL);
+ if (!priv->testmode_trace.cpu_addr)
+ return -ENOMEM;
+ priv->testmode_trace.trace_enabled = true;
+ priv->testmode_trace.trace_addr = (u8 *)PTR_ALIGN(
+ priv->testmode_trace.cpu_addr, 0x100);
+ memset(priv->testmode_trace.trace_addr, 0x03B,
+ priv->testmode_trace.buff_size);
+ skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy,
+ sizeof(priv->testmode_trace.dma_addr) + 20);
+ if (!skb) {
+ IWL_DEBUG_INFO(priv,
+ "Error allocating memory\n");
+ iwl_trace_cleanup(priv);
+ return -ENOMEM;
+ }
+ NLA_PUT(skb, IWL_TM_ATTR_TRACE_ADDR,
+ sizeof(priv->testmode_trace.dma_addr),
+ (u64 *)&priv->testmode_trace.dma_addr);
+ status = cfg80211_testmode_reply(skb);
+ if (status < 0) {
+ IWL_DEBUG_INFO(priv,
+ "Error sending msg : %d\n",
+ status);
+ }
+ priv->testmode_trace.num_chunks =
+ DIV_ROUND_UP(priv->testmode_trace.buff_size,
+ DUMP_CHUNK_SIZE);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_END_TRACE:
+ iwl_trace_cleanup(priv);
+ break;
+ default:
+ IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n");
+ return -ENOSYS;
+ }
+ return status;
+
+nla_put_failure:
+ kfree_skb(skb);
+ if (nla_get_u32(tb[IWL_TM_ATTR_COMMAND]) ==
+ IWL_TM_CMD_APP2DEV_BEGIN_TRACE)
+ iwl_trace_cleanup(priv);
+ return -EMSGSIZE;
+}
+
+static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb,
+ struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct iwl_priv *priv = hw->priv;
+ int idx, length;
+
+ if (priv->testmode_trace.trace_enabled &&
+ priv->testmode_trace.trace_addr) {
+ idx = cb->args[4];
+ if (idx >= priv->testmode_trace.num_chunks)
+ return -ENOENT;
+ length = DUMP_CHUNK_SIZE;
+ if (((idx + 1) == priv->testmode_trace.num_chunks) &&
+ (priv->testmode_trace.buff_size % DUMP_CHUNK_SIZE))
+ length = priv->testmode_trace.buff_size %
+ DUMP_CHUNK_SIZE;
+
+ NLA_PUT(skb, IWL_TM_ATTR_TRACE_DUMP, length,
+ priv->testmode_trace.trace_addr +
+ (DUMP_CHUNK_SIZE * idx));
+ idx++;
+ cb->args[4] = idx;
+ return 0;
+ } else
+ return -EFAULT;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+/*
+ * This function handles the user application switch ucode ownership.
+ *
+ * It retrieves the mandatory fields IWL_TM_ATTR_UCODE_OWNER and
+ * decide who the current owner of the uCode
+ *
+ * If the current owner is OWNERSHIP_TM, then the only host command
+ * can deliver to uCode is from testmode, all the other host commands
+ * will dropped.
+ *
+ * default driver is the owner of uCode in normal operational mode
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @tb: gnl message fields from the user space
+ */
+static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
+{
+ struct iwl_priv *priv = hw->priv;
+ u8 owner;
+
+ if (!tb[IWL_TM_ATTR_UCODE_OWNER]) {
+ IWL_DEBUG_INFO(priv, "Error finding ucode owner\n");
+ return -ENOMSG;
+ }
+
+ owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]);
+ if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM))
+ priv->shrd->ucode_owner = owner;
+ else {
+ IWL_DEBUG_INFO(priv, "Invalid owner\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * This function handles the user application commands for SRAM data dump
+ *
+ * It retrieves the mandatory fields IWL_TM_ATTR_SRAM_ADDR and
+ * IWL_TM_ATTR_SRAM_SIZE to decide the memory area for SRAM data reading
+ *
+ * Several error will be retured, -EBUSY if the SRAM data retrieved by
+ * previous command has not been delivered to userspace, or -ENOMSG if
+ * the mandatory fields (IWL_TM_ATTR_SRAM_ADDR,IWL_TM_ATTR_SRAM_SIZE)
+ * are missing, or -ENOMEM if the buffer allocation fails.
+ *
+ * Otherwise 0 is replied indicating the success of the SRAM reading.
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @tb: gnl message fields from the user space
+ */
+static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb)
+{
+ struct iwl_priv *priv = hw->priv;
+ u32 base, ofs, size, maxsize;
+
+ if (priv->testmode_sram.sram_readed)
+ return -EBUSY;
+
+ if (!tb[IWL_TM_ATTR_SRAM_ADDR]) {
+ IWL_DEBUG_INFO(priv, "Error finding SRAM offset address\n");
+ return -ENOMSG;
+ }
+ ofs = nla_get_u32(tb[IWL_TM_ATTR_SRAM_ADDR]);
+ if (!tb[IWL_TM_ATTR_SRAM_SIZE]) {
+ IWL_DEBUG_INFO(priv, "Error finding size for SRAM reading\n");
+ return -ENOMSG;
+ }
+ size = nla_get_u32(tb[IWL_TM_ATTR_SRAM_SIZE]);
+ switch (priv->ucode_type) {
+ case IWL_UCODE_REGULAR:
+ maxsize = trans(priv)->ucode_rt.data.len;
+ break;
+ case IWL_UCODE_INIT:
+ maxsize = trans(priv)->ucode_init.data.len;
+ break;
+ case IWL_UCODE_WOWLAN:
+ maxsize = trans(priv)->ucode_wowlan.data.len;
+ break;
+ case IWL_UCODE_NONE:
+ IWL_DEBUG_INFO(priv, "Error, uCode does not been loaded\n");
+ return -ENOSYS;
+ default:
+ IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n");
+ return -ENOSYS;
+ }
+ if ((ofs + size) > maxsize) {
+ IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n");
+ return -EINVAL;
+ }
+ priv->testmode_sram.buff_size = (size / 4) * 4;
+ priv->testmode_sram.buff_addr =
+ kmalloc(priv->testmode_sram.buff_size, GFP_KERNEL);
+ if (priv->testmode_sram.buff_addr == NULL) {
+ IWL_DEBUG_INFO(priv, "Error allocating memory\n");
+ return -ENOMEM;
+ }
+ base = 0x800000;
+ _iwl_read_targ_mem_words(bus(priv), base + ofs,
+ priv->testmode_sram.buff_addr,
+ priv->testmode_sram.buff_size / 4);
+ priv->testmode_sram.num_chunks =
+ DIV_ROUND_UP(priv->testmode_sram.buff_size, DUMP_CHUNK_SIZE);
+ priv->testmode_sram.sram_readed = true;
+ return 0;
+}
+
+static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb,
+ struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct iwl_priv *priv = hw->priv;
+ int idx, length;
+
+ if (priv->testmode_sram.sram_readed) {
+ idx = cb->args[4];
+ if (idx >= priv->testmode_sram.num_chunks) {
+ iwl_sram_cleanup(priv);
+ return -ENOENT;
+ }
+ length = DUMP_CHUNK_SIZE;
+ if (((idx + 1) == priv->testmode_sram.num_chunks) &&
+ (priv->testmode_sram.buff_size % DUMP_CHUNK_SIZE))
+ length = priv->testmode_sram.buff_size %
+ DUMP_CHUNK_SIZE;
+
+ NLA_PUT(skb, IWL_TM_ATTR_SRAM_DUMP, length,
+ priv->testmode_sram.buff_addr +
+ (DUMP_CHUNK_SIZE * idx));
+ idx++;
+ cb->args[4] = idx;
+ return 0;
+ } else
+ return -EFAULT;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+
+/* The testmode gnl message handler that takes the gnl message from the
+ * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then
+ * invoke the corresponding handlers.
+ *
+ * This function is invoked when there is user space application sending
+ * gnl message through the testmode tunnel NL80211_CMD_TESTMODE regulated
+ * by nl80211.
+ *
+ * It retrieves the mandatory field, IWL_TM_ATTR_COMMAND, before
+ * dispatching it to the corresponding handler.
+ *
+ * If IWL_TM_ATTR_COMMAND is missing, -ENOMSG is replied to user application;
+ * -ENOSYS is replied to the user application if the command is unknown;
+ * Otherwise, the command is dispatched to the respective handler.
+ *
+ * @hw: ieee80211_hw object that represents the device
+ * @data: pointer to user space message
+ * @len: length in byte of @data
+ */
+int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
+{
+ struct nlattr *tb[IWL_TM_ATTR_MAX];
+ struct iwl_priv *priv = hw->priv;
+ int result;
+
+ result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
+ iwl_testmode_gnl_msg_policy);
+ if (result != 0) {
+ IWL_DEBUG_INFO(priv,
+ "Error parsing the gnl message : %d\n", result);
+ return result;
+ }
+
+ /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
+ if (!tb[IWL_TM_ATTR_COMMAND]) {
+ IWL_DEBUG_INFO(priv, "Error finding testmode command type\n");
+ return -ENOMSG;
+ }
+ /* in case multiple accesses to the device happens */
+ mutex_lock(&priv->shrd->mutex);
+
+ switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
+ case IWL_TM_CMD_APP2DEV_UCODE:
+ IWL_DEBUG_INFO(priv, "testmode cmd to uCode\n");
+ result = iwl_testmode_ucode(hw, tb);
+ break;
+ case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
+ case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32:
+ case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8:
+ case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32:
+ case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32:
+ IWL_DEBUG_INFO(priv, "testmode cmd to register\n");
+ result = iwl_testmode_reg(hw, tb);
+ break;
+ case IWL_TM_CMD_APP2DEV_GET_DEVICENAME:
+ case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW:
+ case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
+ case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
+ case IWL_TM_CMD_APP2DEV_GET_EEPROM:
+ case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
+ case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW:
+ IWL_DEBUG_INFO(priv, "testmode cmd to driver\n");
+ result = iwl_testmode_driver(hw, tb);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:
+ case IWL_TM_CMD_APP2DEV_END_TRACE:
+ case IWL_TM_CMD_APP2DEV_READ_TRACE:
+ IWL_DEBUG_INFO(priv, "testmode uCode trace cmd to driver\n");
+ result = iwl_testmode_trace(hw, tb);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_OWNERSHIP:
+ IWL_DEBUG_INFO(priv, "testmode change uCode ownership\n");
+ result = iwl_testmode_ownership(hw, tb);
+ break;
+
+ case IWL_TM_CMD_APP2DEV_READ_SRAM:
+ IWL_DEBUG_INFO(priv, "testmode sram read cmd to driver\n");
+ result = iwl_testmode_sram(hw, tb);
+ break;
+
+ default:
+ IWL_DEBUG_INFO(priv, "Unknown testmode command\n");
+ result = -ENOSYS;
+ break;
+ }
+
+ mutex_unlock(&priv->shrd->mutex);
+ return result;
+}
+
+int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct netlink_callback *cb,
+ void *data, int len)
+{
+ struct nlattr *tb[IWL_TM_ATTR_MAX];
+ struct iwl_priv *priv = hw->priv;
+ int result;
+ u32 cmd;
+
+ if (cb->args[3]) {
+ /* offset by 1 since commands start at 0 */
+ cmd = cb->args[3] - 1;
+ } else {
+ result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
+ iwl_testmode_gnl_msg_policy);
+ if (result) {
+ IWL_DEBUG_INFO(priv,
+ "Error parsing the gnl message : %d\n", result);
+ return result;
+ }
+
+ /* IWL_TM_ATTR_COMMAND is absolutely mandatory */
+ if (!tb[IWL_TM_ATTR_COMMAND]) {
+ IWL_DEBUG_INFO(priv,
+ "Error finding testmode command type\n");
+ return -ENOMSG;
+ }
+ cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]);
+ cb->args[3] = cmd + 1;
+ }
+
+ /* in case multiple accesses to the device happens */
+ mutex_lock(&priv->shrd->mutex);
+ switch (cmd) {
+ case IWL_TM_CMD_APP2DEV_READ_TRACE:
+ IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n");
+ result = iwl_testmode_trace_dump(hw, tb, skb, cb);
+ break;
+ case IWL_TM_CMD_APP2DEV_DUMP_SRAM:
+ IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n");
+ result = iwl_testmode_sram_dump(hw, tb, skb, cb);
+ break;
+ default:
+ result = -EINVAL;
+ break;
+ }
+
+ mutex_unlock(&priv->shrd->mutex);
+ return result;
+}
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff